diff options
Diffstat (limited to 'tools/testing/selftests')
210 files changed, 10903 insertions, 1676 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 62fafbeb4672..42ffc24e9e71 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -23,9 +23,8 @@ BPF_GCC ?= $(shell command -v bpf-gcc;) SAN_CFLAGS ?= CFLAGS += -g -O0 -rdynamic -Wall $(GENFLAGS) $(SAN_CFLAGS) \ -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \ - -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) \ - -Dbpf_prog_load=bpf_prog_test_load \ - -Dbpf_load_program=bpf_test_load_program + -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT) +LDFLAGS += $(SAN_CFLAGS) LDLIBS += -lcap -lelf -lz -lrt -lpthread # Silence some warnings when compiled with clang @@ -46,10 +45,8 @@ ifneq ($(BPF_GCC),) TEST_GEN_PROGS += test_progs-bpf_gcc endif -TEST_GEN_FILES = test_lwt_ip_encap.o \ - test_tc_edt.o -TEST_FILES = xsk_prereqs.sh \ - $(wildcard progs/btf_dump_test_case_*.c) +TEST_GEN_FILES = test_lwt_ip_encap.o test_tc_edt.o +TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c) # Order correspond to 'make run_tests' order TEST_PROGS := test_kmod.sh \ @@ -108,7 +105,10 @@ endif OVERRIDE_TARGETS := 1 override define CLEAN $(call msg,CLEAN) - $(Q)$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) + $(Q)$(RM) -r $(TEST_GEN_PROGS) + $(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED) + $(Q)$(RM) -r $(TEST_GEN_FILES) + $(Q)$(RM) -r $(EXTRA_CLEAN) $(Q)$(MAKE) -C bpf_testmod clean $(Q)$(MAKE) docs-clean endef @@ -170,7 +170,7 @@ $(OUTPUT)/%:%.c $(OUTPUT)/urandom_read: urandom_read.c $(call msg,BINARY,,$@) - $(Q)$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS) -Wl,--build-id=sha1 + $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $< $(LDLIBS) -Wl,--build-id=sha1 -o $@ $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch]) $(call msg,MOD,,$@) @@ -178,10 +178,6 @@ $(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_tes $(Q)$(MAKE) $(submake_extras) -C bpf_testmod $(Q)cp bpf_testmod/bpf_testmod.ko $@ -$(OUTPUT)/test_stub.o: test_stub.c $(BPFOBJ) - $(call msg,CC,,$@) - $(Q)$(CC) -c $(CFLAGS) -o $@ $< - DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT) @@ -194,24 +190,34 @@ $(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT) TEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL) -$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ) - -$(OUTPUT)/test_dev_cgroup: cgroup_helpers.c -$(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c -$(OUTPUT)/test_sock: cgroup_helpers.c -$(OUTPUT)/test_sock_addr: cgroup_helpers.c -$(OUTPUT)/test_sockmap: cgroup_helpers.c -$(OUTPUT)/test_tcpnotify_user: cgroup_helpers.c trace_helpers.c -$(OUTPUT)/get_cgroup_id_user: cgroup_helpers.c -$(OUTPUT)/test_cgroup_storage: cgroup_helpers.c -$(OUTPUT)/test_sock_fields: cgroup_helpers.c -$(OUTPUT)/test_sysctl: cgroup_helpers.c +$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ) + +CGROUP_HELPERS := $(OUTPUT)/cgroup_helpers.o +TESTING_HELPERS := $(OUTPUT)/testing_helpers.o +TRACE_HELPERS := $(OUTPUT)/trace_helpers.o + +$(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_sock_addr: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS) +$(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS) +$(OUTPUT)/test_tag: $(TESTING_HELPERS) +$(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS) +$(OUTPUT)/xdping: $(TESTING_HELPERS) +$(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS) +$(OUTPUT)/test_maps: $(TESTING_HELPERS) +$(OUTPUT)/test_verifier: $(TESTING_HELPERS) BPFTOOL ?= $(DEFAULT_BPFTOOL) $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ - CC=$(HOSTCC) LD=$(HOSTLD) \ + ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) \ EXTRA_CFLAGS='-g -O0' \ OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ @@ -231,18 +237,18 @@ docs-clean: prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ - ../../../include/uapi/linux/bpf.h \ + $(APIDIR)/linux/bpf.h \ | $(BUILD_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ EXTRA_CFLAGS='-g -O0' \ DESTDIR=$(SCRATCH_DIR) prefix= all install_headers ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) -$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ - ../../../include/uapi/linux/bpf.h \ - | $(HOST_BUILD_DIR)/libbpf +$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ + $(APIDIR)/linux/bpf.h \ + | $(HOST_BUILD_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ - EXTRA_CFLAGS='-g -O0' \ + EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \ OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers endif @@ -304,12 +310,12 @@ $(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h # $3 - CFLAGS define CLANG_BPF_BUILD_RULE $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) - $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v3 + $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v3 -o $2 endef # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 define CLANG_NOALU32_BPF_BUILD_RULE $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) - $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -o $2 -mcpu=v2 + $(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v2 -o $2 endef # Build BPF object using GCC define GCC_BPF_BUILD_RULE @@ -323,9 +329,10 @@ LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \ linked_vars.skel.h linked_maps.skel.h LSKELS := kfunc_call_test.c fentry_test.c fexit_test.c fexit_sleep.c \ - test_ringbuf.c atomics.c trace_printk.c trace_vprintk.c + test_ringbuf.c atomics.c trace_printk.c trace_vprintk.c \ + map_ptr_kern.c core_kern.c # Generate both light skeleton and libbpf skeleton for these -LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c +LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test_subprog.c SKEL_BLACKLIST += $$(LSKELS) test_static_linked.skel.h-deps := test_static_linked1.o test_static_linked2.o @@ -471,13 +478,12 @@ TRUNNER_TESTS_DIR := prog_tests TRUNNER_BPF_PROGS_DIR := progs TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \ network_helpers.c testing_helpers.c \ - btf_helpers.c flow_dissector_load.h + btf_helpers.c flow_dissector_load.h TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ ima_setup.sh \ $(wildcard progs/btf_dump_test_case_*.c) TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE -TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -TRUNNER_BPF_CFLAGS += -DENABLE_ATOMICS_TESTS +TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS $(eval $(call DEFINE_TEST_RUNNER,test_progs)) # Define test_progs-no_alu32 test runner. @@ -530,16 +536,22 @@ $(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h $(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \ $(OUTPUT)/perfbuf_bench.skel.h $(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h +$(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h +$(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h $(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ) $(OUTPUT)/bench: LDLIBS += -lm -$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \ +$(OUTPUT)/bench: $(OUTPUT)/bench.o \ + $(TESTING_HELPERS) \ + $(TRACE_HELPERS) \ $(OUTPUT)/bench_count.o \ $(OUTPUT)/bench_rename.o \ $(OUTPUT)/bench_trigger.o \ $(OUTPUT)/bench_ringbufs.o \ - $(OUTPUT)/bench_bloom_filter_map.o + $(OUTPUT)/bench_bloom_filter_map.o \ + $(OUTPUT)/bench_bpf_loop.o \ + $(OUTPUT)/bench_strncmp.o $(call msg,BINARY,,$@) - $(Q)$(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS) + $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ prog_tests/tests.h map_tests/tests.h verifier/tests.h \ diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst index 5e287e445f75..42ef250c7acc 100644 --- a/tools/testing/selftests/bpf/README.rst +++ b/tools/testing/selftests/bpf/README.rst @@ -204,16 +204,17 @@ __ https://reviews.llvm.org/D93563 btf_tag test and Clang version ============================== -The btf_tag selftest require LLVM support to recognize the btf_decl_tag attribute. -It was introduced in `Clang 14`__. +The btf_tag selftest requires LLVM support to recognize the btf_decl_tag and +btf_type_tag attributes. They are introduced in `Clang 14` [0_, 1_]. -Without it, the btf_tag selftest will be skipped and you will observe: +Without them, the btf_tag selftest will be skipped and you will observe: .. code-block:: console #<test_num> btf_tag:SKIP -__ https://reviews.llvm.org/D111588 +.. _0: https://reviews.llvm.org/D111588 +.. _1: https://reviews.llvm.org/D111199 Clang dependencies for static linking tests =========================================== diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index cc4722f693e9..f973320e6dbf 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -29,26 +29,10 @@ static int libbpf_print_fn(enum libbpf_print_level level, return vfprintf(stderr, format, args); } -static int bump_memlock_rlimit(void) +void setup_libbpf(void) { - struct rlimit rlim_new = { - .rlim_cur = RLIM_INFINITY, - .rlim_max = RLIM_INFINITY, - }; - - return setrlimit(RLIMIT_MEMLOCK, &rlim_new); -} - -void setup_libbpf() -{ - int err; - libbpf_set_strict_mode(LIBBPF_STRICT_ALL); libbpf_set_print(libbpf_print_fn); - - err = bump_memlock_rlimit(); - if (err) - fprintf(stderr, "failed to increase RLIMIT_MEMLOCK: %d", err); } void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns) @@ -134,6 +118,39 @@ void hits_drops_report_final(struct bench_res res[], int res_cnt) total_ops_mean, total_ops_stddev); } +void ops_report_progress(int iter, struct bench_res *res, long delta_ns) +{ + double hits_per_sec, hits_per_prod; + + hits_per_sec = res->hits / 1000000.0 / (delta_ns / 1000000000.0); + hits_per_prod = hits_per_sec / env.producer_cnt; + + printf("Iter %3d (%7.3lfus): ", iter, (delta_ns - 1000000000) / 1000.0); + + printf("hits %8.3lfM/s (%7.3lfM/prod)\n", hits_per_sec, hits_per_prod); +} + +void ops_report_final(struct bench_res res[], int res_cnt) +{ + double hits_mean = 0.0, hits_stddev = 0.0; + int i; + + for (i = 0; i < res_cnt; i++) + hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt); + + if (res_cnt > 1) { + for (i = 0; i < res_cnt; i++) + hits_stddev += (hits_mean - res[i].hits / 1000000.0) * + (hits_mean - res[i].hits / 1000000.0) / + (res_cnt - 1.0); + + hits_stddev = sqrt(hits_stddev); + } + printf("Summary: throughput %8.3lf \u00B1 %5.3lf M ops/s (%7.3lfM ops/prod), ", + hits_mean, hits_stddev, hits_mean / env.producer_cnt); + printf("latency %8.3lf ns/op\n", 1000.0 / hits_mean * env.producer_cnt); +} + const char *argp_program_version = "benchmark"; const char *argp_program_bug_address = "<bpf@vger.kernel.org>"; const char argp_program_doc[] = @@ -171,10 +188,14 @@ static const struct argp_option opts[] = { extern struct argp bench_ringbufs_argp; extern struct argp bench_bloom_map_argp; +extern struct argp bench_bpf_loop_argp; +extern struct argp bench_strncmp_argp; static const struct argp_child bench_parsers[] = { { &bench_ringbufs_argp, 0, "Ring buffers benchmark", 0 }, { &bench_bloom_map_argp, 0, "Bloom filter map benchmark", 0 }, + { &bench_bpf_loop_argp, 0, "bpf_loop helper benchmark", 0 }, + { &bench_strncmp_argp, 0, "bpf_strncmp helper benchmark", 0 }, {}, }; @@ -359,6 +380,11 @@ extern const struct bench bench_trig_kprobe; extern const struct bench bench_trig_fentry; extern const struct bench bench_trig_fentry_sleep; extern const struct bench bench_trig_fmodret; +extern const struct bench bench_trig_uprobe_base; +extern const struct bench bench_trig_uprobe_with_nop; +extern const struct bench bench_trig_uretprobe_with_nop; +extern const struct bench bench_trig_uprobe_without_nop; +extern const struct bench bench_trig_uretprobe_without_nop; extern const struct bench bench_rb_libbpf; extern const struct bench bench_rb_custom; extern const struct bench bench_pb_libbpf; @@ -368,6 +394,9 @@ extern const struct bench bench_bloom_update; extern const struct bench bench_bloom_false_positive; extern const struct bench bench_hashmap_without_bloom; extern const struct bench bench_hashmap_with_bloom; +extern const struct bench bench_bpf_loop; +extern const struct bench bench_strncmp_no_helper; +extern const struct bench bench_strncmp_helper; static const struct bench *benchs[] = { &bench_count_global, @@ -385,6 +414,11 @@ static const struct bench *benchs[] = { &bench_trig_fentry, &bench_trig_fentry_sleep, &bench_trig_fmodret, + &bench_trig_uprobe_base, + &bench_trig_uprobe_with_nop, + &bench_trig_uretprobe_with_nop, + &bench_trig_uprobe_without_nop, + &bench_trig_uretprobe_without_nop, &bench_rb_libbpf, &bench_rb_custom, &bench_pb_libbpf, @@ -394,6 +428,9 @@ static const struct bench *benchs[] = { &bench_bloom_false_positive, &bench_hashmap_without_bloom, &bench_hashmap_with_bloom, + &bench_bpf_loop, + &bench_strncmp_no_helper, + &bench_strncmp_helper, }; static void setup_benchmark() diff --git a/tools/testing/selftests/bpf/bench.h b/tools/testing/selftests/bpf/bench.h index 624c6b11501f..fb3e213df3dc 100644 --- a/tools/testing/selftests/bpf/bench.h +++ b/tools/testing/selftests/bpf/bench.h @@ -38,8 +38,8 @@ struct bench_res { struct bench { const char *name; - void (*validate)(); - void (*setup)(); + void (*validate)(void); + void (*setup)(void); void *(*producer_thread)(void *ctx); void *(*consumer_thread)(void *ctx); void (*measure)(struct bench_res* res); @@ -54,13 +54,16 @@ struct counter { extern struct env env; extern const struct bench *bench; -void setup_libbpf(); +void setup_libbpf(void); void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns); void hits_drops_report_final(struct bench_res res[], int res_cnt); void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns); void false_hits_report_final(struct bench_res res[], int res_cnt); +void ops_report_progress(int iter, struct bench_res *res, long delta_ns); +void ops_report_final(struct bench_res res[], int res_cnt); -static inline __u64 get_time_ns() { +static inline __u64 get_time_ns(void) +{ struct timespec t; clock_gettime(CLOCK_MONOTONIC, &t); diff --git a/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c b/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c index 6eeeed2913e6..5bcb8a8cdeb2 100644 --- a/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c +++ b/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c @@ -63,29 +63,34 @@ static const struct argp_option opts[] = { static error_t parse_arg(int key, char *arg, struct argp_state *state) { + long ret; + switch (key) { case ARG_NR_ENTRIES: - args.nr_entries = strtol(arg, NULL, 10); - if (args.nr_entries == 0) { + ret = strtol(arg, NULL, 10); + if (ret < 1 || ret > UINT_MAX) { fprintf(stderr, "Invalid nr_entries count."); argp_usage(state); } + args.nr_entries = ret; break; case ARG_NR_HASH_FUNCS: - args.nr_hash_funcs = strtol(arg, NULL, 10); - if (args.nr_hash_funcs == 0 || args.nr_hash_funcs > 15) { + ret = strtol(arg, NULL, 10); + if (ret < 1 || ret > 15) { fprintf(stderr, "The bloom filter must use 1 to 15 hash functions."); argp_usage(state); } + args.nr_hash_funcs = ret; break; case ARG_VALUE_SIZE: - args.value_size = strtol(arg, NULL, 10); - if (args.value_size < 2 || args.value_size > 256) { + ret = strtol(arg, NULL, 10); + if (ret < 2 || ret > 256) { fprintf(stderr, "Invalid value size. Must be between 2 and 256 bytes"); argp_usage(state); } + args.value_size = ret; break; default: return ARGP_ERR_UNKNOWN; diff --git a/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c b/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c new file mode 100644 index 000000000000..d0a6572bfab6 --- /dev/null +++ b/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include <argp.h> +#include "bench.h" +#include "bpf_loop_bench.skel.h" + +/* BPF triggering benchmarks */ +static struct ctx { + struct bpf_loop_bench *skel; +} ctx; + +static struct { + __u32 nr_loops; +} args = { + .nr_loops = 10, +}; + +enum { + ARG_NR_LOOPS = 4000, +}; + +static const struct argp_option opts[] = { + { "nr_loops", ARG_NR_LOOPS, "nr_loops", 0, + "Set number of loops for the bpf_loop helper"}, + {}, +}; + +static error_t parse_arg(int key, char *arg, struct argp_state *state) +{ + switch (key) { + case ARG_NR_LOOPS: + args.nr_loops = strtol(arg, NULL, 10); + break; + default: + return ARGP_ERR_UNKNOWN; + } + + return 0; +} + +/* exported into benchmark runner */ +const struct argp bench_bpf_loop_argp = { + .options = opts, + .parser = parse_arg, +}; + +static void validate(void) +{ + if (env.consumer_cnt != 1) { + fprintf(stderr, "benchmark doesn't support multi-consumer!\n"); + exit(1); + } +} + +static void *producer(void *input) +{ + while (true) + /* trigger the bpf program */ + syscall(__NR_getpgid); + + return NULL; +} + +static void *consumer(void *input) +{ + return NULL; +} + +static void measure(struct bench_res *res) +{ + res->hits = atomic_swap(&ctx.skel->bss->hits, 0); +} + +static void setup(void) +{ + struct bpf_link *link; + + setup_libbpf(); + + ctx.skel = bpf_loop_bench__open_and_load(); + if (!ctx.skel) { + fprintf(stderr, "failed to open skeleton\n"); + exit(1); + } + + link = bpf_program__attach(ctx.skel->progs.benchmark); + if (!link) { + fprintf(stderr, "failed to attach program!\n"); + exit(1); + } + + ctx.skel->bss->nr_loops = args.nr_loops; +} + +const struct bench bench_bpf_loop = { + .name = "bpf-loop", + .validate = validate, + .setup = setup, + .producer_thread = producer, + .consumer_thread = consumer, + .measure = measure, + .report_progress = ops_report_progress, + .report_final = ops_report_final, +}; diff --git a/tools/testing/selftests/bpf/benchs/bench_count.c b/tools/testing/selftests/bpf/benchs/bench_count.c index befba7a82643..078972ce208e 100644 --- a/tools/testing/selftests/bpf/benchs/bench_count.c +++ b/tools/testing/selftests/bpf/benchs/bench_count.c @@ -36,7 +36,7 @@ static struct count_local_ctx { struct counter *hits; } count_local_ctx; -static void count_local_setup() +static void count_local_setup(void) { struct count_local_ctx *ctx = &count_local_ctx; diff --git a/tools/testing/selftests/bpf/benchs/bench_rename.c b/tools/testing/selftests/bpf/benchs/bench_rename.c index c7ec114eca56..3c203b6d6a6e 100644 --- a/tools/testing/selftests/bpf/benchs/bench_rename.c +++ b/tools/testing/selftests/bpf/benchs/bench_rename.c @@ -11,7 +11,7 @@ static struct ctx { int fd; } ctx; -static void validate() +static void validate(void) { if (env.producer_cnt != 1) { fprintf(stderr, "benchmark doesn't support multi-producer!\n"); @@ -43,7 +43,7 @@ static void measure(struct bench_res *res) res->hits = atomic_swap(&ctx.hits.value, 0); } -static void setup_ctx() +static void setup_ctx(void) { setup_libbpf(); @@ -71,36 +71,36 @@ static void attach_bpf(struct bpf_program *prog) } } -static void setup_base() +static void setup_base(void) { setup_ctx(); } -static void setup_kprobe() +static void setup_kprobe(void) { setup_ctx(); attach_bpf(ctx.skel->progs.prog1); } -static void setup_kretprobe() +static void setup_kretprobe(void) { setup_ctx(); attach_bpf(ctx.skel->progs.prog2); } -static void setup_rawtp() +static void setup_rawtp(void) { setup_ctx(); attach_bpf(ctx.skel->progs.prog3); } -static void setup_fentry() +static void setup_fentry(void) { setup_ctx(); attach_bpf(ctx.skel->progs.prog4); } -static void setup_fexit() +static void setup_fexit(void) { setup_ctx(); attach_bpf(ctx.skel->progs.prog5); diff --git a/tools/testing/selftests/bpf/benchs/bench_ringbufs.c b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c index d167bffac679..da8593b3494a 100644 --- a/tools/testing/selftests/bpf/benchs/bench_ringbufs.c +++ b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c @@ -88,12 +88,12 @@ const struct argp bench_ringbufs_argp = { static struct counter buf_hits; -static inline void bufs_trigger_batch() +static inline void bufs_trigger_batch(void) { (void)syscall(__NR_getpgid); } -static void bufs_validate() +static void bufs_validate(void) { if (env.consumer_cnt != 1) { fprintf(stderr, "rb-libbpf benchmark doesn't support multi-consumer!\n"); @@ -132,7 +132,7 @@ static void ringbuf_libbpf_measure(struct bench_res *res) res->drops = atomic_swap(&ctx->skel->bss->dropped, 0); } -static struct ringbuf_bench *ringbuf_setup_skeleton() +static struct ringbuf_bench *ringbuf_setup_skeleton(void) { struct ringbuf_bench *skel; @@ -167,7 +167,7 @@ static int buf_process_sample(void *ctx, void *data, size_t len) return 0; } -static void ringbuf_libbpf_setup() +static void ringbuf_libbpf_setup(void) { struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx; struct bpf_link *link; @@ -223,7 +223,7 @@ static void ringbuf_custom_measure(struct bench_res *res) res->drops = atomic_swap(&ctx->skel->bss->dropped, 0); } -static void ringbuf_custom_setup() +static void ringbuf_custom_setup(void) { struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx; const size_t page_size = getpagesize(); @@ -352,7 +352,7 @@ static void perfbuf_measure(struct bench_res *res) res->drops = atomic_swap(&ctx->skel->bss->dropped, 0); } -static struct perfbuf_bench *perfbuf_setup_skeleton() +static struct perfbuf_bench *perfbuf_setup_skeleton(void) { struct perfbuf_bench *skel; @@ -390,15 +390,10 @@ perfbuf_process_sample_raw(void *input_ctx, int cpu, return LIBBPF_PERF_EVENT_CONT; } -static void perfbuf_libbpf_setup() +static void perfbuf_libbpf_setup(void) { struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx; struct perf_event_attr attr; - struct perf_buffer_raw_opts pb_opts = { - .event_cb = perfbuf_process_sample_raw, - .ctx = (void *)(long)0, - .attr = &attr, - }; struct bpf_link *link; ctx->skel = perfbuf_setup_skeleton(); @@ -423,7 +418,8 @@ static void perfbuf_libbpf_setup() } ctx->perfbuf = perf_buffer__new_raw(bpf_map__fd(ctx->skel->maps.perfbuf), - args.perfbuf_sz, &pb_opts); + args.perfbuf_sz, &attr, + perfbuf_process_sample_raw, NULL, NULL); if (!ctx->perfbuf) { fprintf(stderr, "failed to create perfbuf\n"); exit(1); diff --git a/tools/testing/selftests/bpf/benchs/bench_strncmp.c b/tools/testing/selftests/bpf/benchs/bench_strncmp.c new file mode 100644 index 000000000000..494b591c0289 --- /dev/null +++ b/tools/testing/selftests/bpf/benchs/bench_strncmp.c @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021. Huawei Technologies Co., Ltd */ +#include <argp.h> +#include "bench.h" +#include "strncmp_bench.skel.h" + +static struct strncmp_ctx { + struct strncmp_bench *skel; +} ctx; + +static struct strncmp_args { + u32 cmp_str_len; +} args = { + .cmp_str_len = 32, +}; + +enum { + ARG_CMP_STR_LEN = 5000, +}; + +static const struct argp_option opts[] = { + { "cmp-str-len", ARG_CMP_STR_LEN, "CMP_STR_LEN", 0, + "Set the length of compared string" }, + {}, +}; + +static error_t strncmp_parse_arg(int key, char *arg, struct argp_state *state) +{ + switch (key) { + case ARG_CMP_STR_LEN: + args.cmp_str_len = strtoul(arg, NULL, 10); + if (!args.cmp_str_len || + args.cmp_str_len >= sizeof(ctx.skel->bss->str)) { + fprintf(stderr, "Invalid cmp str len (limit %zu)\n", + sizeof(ctx.skel->bss->str)); + argp_usage(state); + } + break; + default: + return ARGP_ERR_UNKNOWN; + } + + return 0; +} + +const struct argp bench_strncmp_argp = { + .options = opts, + .parser = strncmp_parse_arg, +}; + +static void strncmp_validate(void) +{ + if (env.consumer_cnt != 1) { + fprintf(stderr, "strncmp benchmark doesn't support multi-consumer!\n"); + exit(1); + } +} + +static void strncmp_setup(void) +{ + int err; + char *target; + size_t i, sz; + + sz = sizeof(ctx.skel->rodata->target); + if (!sz || sz < sizeof(ctx.skel->bss->str)) { + fprintf(stderr, "invalid string size (target %zu, src %zu)\n", + sz, sizeof(ctx.skel->bss->str)); + exit(1); + } + + setup_libbpf(); + + ctx.skel = strncmp_bench__open(); + if (!ctx.skel) { + fprintf(stderr, "failed to open skeleton\n"); + exit(1); + } + + srandom(time(NULL)); + target = ctx.skel->rodata->target; + for (i = 0; i < sz - 1; i++) + target[i] = '1' + random() % 9; + target[sz - 1] = '\0'; + + ctx.skel->rodata->cmp_str_len = args.cmp_str_len; + + memcpy(ctx.skel->bss->str, target, args.cmp_str_len); + ctx.skel->bss->str[args.cmp_str_len] = '\0'; + /* Make bss->str < rodata->target */ + ctx.skel->bss->str[args.cmp_str_len - 1] -= 1; + + err = strncmp_bench__load(ctx.skel); + if (err) { + fprintf(stderr, "failed to load skeleton\n"); + strncmp_bench__destroy(ctx.skel); + exit(1); + } +} + +static void strncmp_attach_prog(struct bpf_program *prog) +{ + struct bpf_link *link; + + link = bpf_program__attach(prog); + if (!link) { + fprintf(stderr, "failed to attach program!\n"); + exit(1); + } +} + +static void strncmp_no_helper_setup(void) +{ + strncmp_setup(); + strncmp_attach_prog(ctx.skel->progs.strncmp_no_helper); +} + +static void strncmp_helper_setup(void) +{ + strncmp_setup(); + strncmp_attach_prog(ctx.skel->progs.strncmp_helper); +} + +static void *strncmp_producer(void *ctx) +{ + while (true) + (void)syscall(__NR_getpgid); + return NULL; +} + +static void *strncmp_consumer(void *ctx) +{ + return NULL; +} + +static void strncmp_measure(struct bench_res *res) +{ + res->hits = atomic_swap(&ctx.skel->bss->hits, 0); +} + +const struct bench bench_strncmp_no_helper = { + .name = "strncmp-no-helper", + .validate = strncmp_validate, + .setup = strncmp_no_helper_setup, + .producer_thread = strncmp_producer, + .consumer_thread = strncmp_consumer, + .measure = strncmp_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_strncmp_helper = { + .name = "strncmp-helper", + .validate = strncmp_validate, + .setup = strncmp_helper_setup, + .producer_thread = strncmp_producer, + .consumer_thread = strncmp_consumer, + .measure = strncmp_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index f41a491a8cc0..7f957c55a3ca 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -2,6 +2,7 @@ /* Copyright (c) 2020 Facebook */ #include "bench.h" #include "trigger_bench.skel.h" +#include "trace_helpers.h" /* BPF triggering benchmarks */ static struct trigger_ctx { @@ -10,7 +11,7 @@ static struct trigger_ctx { static struct counter base_hits; -static void trigger_validate() +static void trigger_validate(void) { if (env.consumer_cnt != 1) { fprintf(stderr, "benchmark doesn't support multi-consumer!\n"); @@ -44,7 +45,7 @@ static void trigger_measure(struct bench_res *res) res->hits = atomic_swap(&ctx.skel->bss->hits, 0); } -static void setup_ctx() +static void setup_ctx(void) { setup_libbpf(); @@ -66,37 +67,37 @@ static void attach_bpf(struct bpf_program *prog) } } -static void trigger_tp_setup() +static void trigger_tp_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_tp); } -static void trigger_rawtp_setup() +static void trigger_rawtp_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_raw_tp); } -static void trigger_kprobe_setup() +static void trigger_kprobe_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_kprobe); } -static void trigger_fentry_setup() +static void trigger_fentry_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_fentry); } -static void trigger_fentry_sleep_setup() +static void trigger_fentry_sleep_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_fentry_sleep); } -static void trigger_fmodret_setup() +static void trigger_fmodret_setup(void) { setup_ctx(); attach_bpf(ctx.skel->progs.bench_trigger_fmodret); @@ -107,6 +108,101 @@ static void *trigger_consumer(void *input) return NULL; } +/* make sure call is not inlined and not avoided by compiler, so __weak and + * inline asm volatile in the body of the function + * + * There is a performance difference between uprobing at nop location vs other + * instructions. So use two different targets, one of which starts with nop + * and another doesn't. + * + * GCC doesn't generate stack setup preample for these functions due to them + * having no input arguments and doing nothing in the body. + */ +__weak void uprobe_target_with_nop(void) +{ + asm volatile ("nop"); +} + +__weak void uprobe_target_without_nop(void) +{ + asm volatile (""); +} + +static void *uprobe_base_producer(void *input) +{ + while (true) { + uprobe_target_with_nop(); + atomic_inc(&base_hits.value); + } + return NULL; +} + +static void *uprobe_producer_with_nop(void *input) +{ + while (true) + uprobe_target_with_nop(); + return NULL; +} + +static void *uprobe_producer_without_nop(void *input) +{ + while (true) + uprobe_target_without_nop(); + return NULL; +} + +static void usetup(bool use_retprobe, bool use_nop) +{ + size_t uprobe_offset; + ssize_t base_addr; + struct bpf_link *link; + + setup_libbpf(); + + ctx.skel = trigger_bench__open_and_load(); + if (!ctx.skel) { + fprintf(stderr, "failed to open skeleton\n"); + exit(1); + } + + base_addr = get_base_addr(); + if (use_nop) + uprobe_offset = get_uprobe_offset(&uprobe_target_with_nop, base_addr); + else + uprobe_offset = get_uprobe_offset(&uprobe_target_without_nop, base_addr); + + link = bpf_program__attach_uprobe(ctx.skel->progs.bench_trigger_uprobe, + use_retprobe, + -1 /* all PIDs */, + "/proc/self/exe", + uprobe_offset); + if (!link) { + fprintf(stderr, "failed to attach uprobe!\n"); + exit(1); + } + ctx.skel->links.bench_trigger_uprobe = link; +} + +static void uprobe_setup_with_nop(void) +{ + usetup(false, true); +} + +static void uretprobe_setup_with_nop(void) +{ + usetup(true, true); +} + +static void uprobe_setup_without_nop(void) +{ + usetup(false, false); +} + +static void uretprobe_setup_without_nop(void) +{ + usetup(true, false); +} + const struct bench bench_trig_base = { .name = "trig-base", .validate = trigger_validate, @@ -182,3 +278,53 @@ const struct bench bench_trig_fmodret = { .report_progress = hits_drops_report_progress, .report_final = hits_drops_report_final, }; + +const struct bench bench_trig_uprobe_base = { + .name = "trig-uprobe-base", + .setup = NULL, /* no uprobe/uretprobe is attached */ + .producer_thread = uprobe_base_producer, + .consumer_thread = trigger_consumer, + .measure = trigger_base_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_uprobe_with_nop = { + .name = "trig-uprobe-with-nop", + .setup = uprobe_setup_with_nop, + .producer_thread = uprobe_producer_with_nop, + .consumer_thread = trigger_consumer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_uretprobe_with_nop = { + .name = "trig-uretprobe-with-nop", + .setup = uretprobe_setup_with_nop, + .producer_thread = uprobe_producer_with_nop, + .consumer_thread = trigger_consumer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_uprobe_without_nop = { + .name = "trig-uprobe-without-nop", + .setup = uprobe_setup_without_nop, + .producer_thread = uprobe_producer_without_nop, + .consumer_thread = trigger_consumer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_uretprobe_without_nop = { + .name = "trig-uretprobe-without-nop", + .setup = uretprobe_setup_without_nop, + .producer_thread = uprobe_producer_without_nop, + .consumer_thread = trigger_consumer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; diff --git a/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh b/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh new file mode 100755 index 000000000000..d4f5f73b356b --- /dev/null +++ b/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh @@ -0,0 +1,15 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source ./benchs/run_common.sh + +set -eufo pipefail + +for t in 1 4 8 12 16; do +for i in 10 100 500 1000 5000 10000 50000 100000 500000 1000000; do +subtitle "nr_loops: $i, nr_threads: $t" + summarize_ops "bpf_loop: " \ + "$($RUN_BENCH -p $t --nr_loops $i bpf-loop)" + printf "\n" +done +done diff --git a/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh b/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh new file mode 100755 index 000000000000..142697284b45 --- /dev/null +++ b/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh @@ -0,0 +1,12 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source ./benchs/run_common.sh + +set -eufo pipefail + +for s in 1 8 64 512 2048 4095; do + for b in no-helper helper; do + summarize ${b}-${s} "$($RUN_BENCH --cmp-str-len=$s strncmp-${b})" + done +done diff --git a/tools/testing/selftests/bpf/benchs/run_common.sh b/tools/testing/selftests/bpf/benchs/run_common.sh index 9a16be78b180..6c5e6023a69f 100644 --- a/tools/testing/selftests/bpf/benchs/run_common.sh +++ b/tools/testing/selftests/bpf/benchs/run_common.sh @@ -33,6 +33,14 @@ function percentage() echo "$*" | sed -E "s/.*Percentage\s=\s+([0-9]+\.[0-9]+).*/\1/" } +function ops() +{ + echo -n "throughput: " + echo -n "$*" | sed -E "s/.*throughput\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+\sM\sops\/s).*/\1/" + echo -n -e ", latency: " + echo "$*" | sed -E "s/.*latency\s+([0-9]+\.[0-9]+\sns\/op).*/\1/" +} + function total() { echo "$*" | sed -E "s/.*total operations\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/" @@ -52,6 +60,13 @@ function summarize_percentage() printf "%-20s %s%%\n" "$bench" "$(percentage $summary)" } +function summarize_ops() +{ + bench="$1" + summary=$(echo $2 | tail -n1) + printf "%-20s %s\n" "$bench" "$(ops $summary)" +} + function summarize_total() { bench="$1" diff --git a/tools/testing/selftests/bpf/btf_helpers.c b/tools/testing/selftests/bpf/btf_helpers.c index b5b6b013a245..b5941d514e17 100644 --- a/tools/testing/selftests/bpf/btf_helpers.c +++ b/tools/testing/selftests/bpf/btf_helpers.c @@ -25,11 +25,12 @@ static const char * const btf_kind_str_mapping[] = { [BTF_KIND_DATASEC] = "DATASEC", [BTF_KIND_FLOAT] = "FLOAT", [BTF_KIND_DECL_TAG] = "DECL_TAG", + [BTF_KIND_TYPE_TAG] = "TYPE_TAG", }; static const char *btf_kind_str(__u16 kind) { - if (kind > BTF_KIND_DECL_TAG) + if (kind > BTF_KIND_TYPE_TAG) return "UNKNOWN"; return btf_kind_str_mapping[kind]; } @@ -109,6 +110,7 @@ int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id) case BTF_KIND_VOLATILE: case BTF_KIND_RESTRICT: case BTF_KIND_TYPEDEF: + case BTF_KIND_TYPE_TAG: fprintf(out, " type_id=%u", t->type); break; case BTF_KIND_ARRAY: { @@ -238,7 +240,6 @@ const char *btf_type_c_dump(const struct btf *btf) static char buf[16 * 1024]; FILE *buf_file; struct btf_dump *d = NULL; - struct btf_dump_opts opts = {}; int err, i; buf_file = fmemopen(buf, sizeof(buf) - 1, "w"); @@ -247,22 +248,26 @@ const char *btf_type_c_dump(const struct btf *btf) return NULL; } - opts.ctx = buf_file; - d = btf_dump__new(btf, NULL, &opts, btf_dump_printf); + d = btf_dump__new(btf, btf_dump_printf, buf_file, NULL); if (libbpf_get_error(d)) { fprintf(stderr, "Failed to create btf_dump instance: %ld\n", libbpf_get_error(d)); - return NULL; + goto err_out; } for (i = 1; i < btf__type_cnt(btf); i++) { err = btf_dump__dump_type(d, i); if (err) { fprintf(stderr, "Failed to dump type [%d]: %d\n", i, err); - return NULL; + goto err_out; } } + btf_dump__free(d); fflush(buf_file); fclose(buf_file); return buf; +err_out: + btf_dump__free(d); + fclose(buf_file); + return NULL; } diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 5192305159ec..f6287132fa89 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -38,7 +38,9 @@ CONFIG_IPV6_SIT=m CONFIG_BPF_JIT=y CONFIG_BPF_LSM=y CONFIG_SECURITY=y +CONFIG_RC_CORE=y CONFIG_LIRC=y +CONFIG_BPF_LIRC_MODE2=y CONFIG_IMA=y CONFIG_SECURITYFS=y CONFIG_IMA_WRITE_POLICY=y diff --git a/tools/testing/selftests/bpf/flow_dissector_load.h b/tools/testing/selftests/bpf/flow_dissector_load.h index 9d0acc2fc6cc..f40b585f4e7e 100644 --- a/tools/testing/selftests/bpf/flow_dissector_load.h +++ b/tools/testing/selftests/bpf/flow_dissector_load.h @@ -4,6 +4,7 @@ #include <bpf/bpf.h> #include <bpf/libbpf.h> +#include "testing_helpers.h" static inline int bpf_flow_load(struct bpf_object **obj, const char *path, @@ -18,7 +19,7 @@ static inline int bpf_flow_load(struct bpf_object **obj, int prog_array_fd; int ret, fd, i; - ret = bpf_prog_load(path, BPF_PROG_TYPE_FLOW_DISSECTOR, obj, + ret = bpf_prog_test_load(path, BPF_PROG_TYPE_FLOW_DISSECTOR, obj, prog_fd); if (ret) return ret; diff --git a/tools/testing/selftests/bpf/get_cgroup_id_user.c b/tools/testing/selftests/bpf/get_cgroup_id_user.c index 99628e1a1e58..3a7b82bd9e94 100644 --- a/tools/testing/selftests/bpf/get_cgroup_id_user.c +++ b/tools/testing/selftests/bpf/get_cgroup_id_user.c @@ -19,6 +19,7 @@ #include <bpf/libbpf.h> #include "cgroup_helpers.h" +#include "testing_helpers.h" #include "bpf_rlimit.h" #define CHECK(condition, tag, format...) ({ \ @@ -66,8 +67,8 @@ int main(int argc, char **argv) if (CHECK(cgroup_fd < 0, "cgroup_setup_and_join", "err %d errno %d\n", cgroup_fd, errno)) return 1; - err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); - if (CHECK(err, "bpf_prog_load", "err %d errno %d\n", err, errno)) + err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); + if (CHECK(err, "bpf_prog_test_load", "err %d errno %d\n", err, errno)) goto cleanup_cgroup_env; cgidmap_fd = bpf_find_map(__func__, obj, "cg_ids"); diff --git a/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c index f4d870da7684..78c76496b14a 100644 --- a/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c +++ b/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c @@ -68,13 +68,6 @@ static void map_batch_verify(int *visited, __u32 max_entries, int *keys, static void __test_map_lookup_and_update_batch(bool is_pcpu) { - struct bpf_create_map_attr xattr = { - .name = "array_map", - .map_type = is_pcpu ? BPF_MAP_TYPE_PERCPU_ARRAY : - BPF_MAP_TYPE_ARRAY, - .key_size = sizeof(int), - .value_size = sizeof(__s64), - }; int map_fd, *keys, *visited; __u32 count, total, total_success; const __u32 max_entries = 10; @@ -86,10 +79,10 @@ static void __test_map_lookup_and_update_batch(bool is_pcpu) .flags = 0, ); - xattr.max_entries = max_entries; - map_fd = bpf_create_map_xattr(&xattr); + map_fd = bpf_map_create(is_pcpu ? BPF_MAP_TYPE_PERCPU_ARRAY : BPF_MAP_TYPE_ARRAY, + "array_map", sizeof(int), sizeof(__s64), max_entries, NULL); CHECK(map_fd == -1, - "bpf_create_map_xattr()", "error:%s\n", strerror(errno)); + "bpf_map_create()", "error:%s\n", strerror(errno)); value_size = sizeof(__s64); if (is_pcpu) diff --git a/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c index 976bf415fbdd..f807d53fd8dd 100644 --- a/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c +++ b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c @@ -83,22 +83,15 @@ void __test_map_lookup_and_delete_batch(bool is_pcpu) int err, step, value_size; bool nospace_err; void *values; - struct bpf_create_map_attr xattr = { - .name = "hash_map", - .map_type = is_pcpu ? BPF_MAP_TYPE_PERCPU_HASH : - BPF_MAP_TYPE_HASH, - .key_size = sizeof(int), - .value_size = sizeof(int), - }; DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts, .elem_flags = 0, .flags = 0, ); - xattr.max_entries = max_entries; - map_fd = bpf_create_map_xattr(&xattr); + map_fd = bpf_map_create(is_pcpu ? BPF_MAP_TYPE_PERCPU_HASH : BPF_MAP_TYPE_HASH, + "hash_map", sizeof(int), sizeof(int), max_entries, NULL); CHECK(map_fd == -1, - "bpf_create_map_xattr()", "error:%s\n", strerror(errno)); + "bpf_map_create()", "error:%s\n", strerror(errno)); value_size = is_pcpu ? sizeof(value) : sizeof(int); keys = malloc(max_entries * sizeof(int)); diff --git a/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c index 2e986e5e4cac..87d07b596e17 100644 --- a/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c +++ b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c @@ -64,13 +64,7 @@ static void map_batch_verify(int *visited, __u32 max_entries, void test_lpm_trie_map_batch_ops(void) { - struct bpf_create_map_attr xattr = { - .name = "lpm_trie_map", - .map_type = BPF_MAP_TYPE_LPM_TRIE, - .key_size = sizeof(struct test_lpm_key), - .value_size = sizeof(int), - .map_flags = BPF_F_NO_PREALLOC, - }; + LIBBPF_OPTS(bpf_map_create_opts, create_opts, .map_flags = BPF_F_NO_PREALLOC); struct test_lpm_key *keys, key; int map_fd, *values, *visited; __u32 step, count, total, total_success; @@ -82,9 +76,10 @@ void test_lpm_trie_map_batch_ops(void) .flags = 0, ); - xattr.max_entries = max_entries; - map_fd = bpf_create_map_xattr(&xattr); - CHECK(map_fd == -1, "bpf_create_map_xattr()", "error:%s\n", + map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, "lpm_trie_map", + sizeof(struct test_lpm_key), sizeof(int), + max_entries, &create_opts); + CHECK(map_fd == -1, "bpf_map_create()", "error:%s\n", strerror(errno)); keys = malloc(max_entries * sizeof(struct test_lpm_key)); diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c index e569edc679d8..099eb4dfd4f7 100644 --- a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c +++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c @@ -19,16 +19,12 @@ #include <test_btf.h> #include <test_maps.h> -static struct bpf_create_map_attr xattr = { - .name = "sk_storage_map", - .map_type = BPF_MAP_TYPE_SK_STORAGE, - .map_flags = BPF_F_NO_PREALLOC, - .max_entries = 0, - .key_size = 4, - .value_size = 8, +static struct bpf_map_create_opts map_opts = { + .sz = sizeof(map_opts), .btf_key_type_id = 1, .btf_value_type_id = 3, .btf_fd = -1, + .map_flags = BPF_F_NO_PREALLOC, }; static unsigned int nr_sk_threads_done; @@ -140,7 +136,7 @@ static int load_btf(void) memcpy(raw_btf + sizeof(btf_hdr) + sizeof(btf_raw_types), btf_str_sec, sizeof(btf_str_sec)); - return bpf_load_btf(raw_btf, sizeof(raw_btf), 0, 0, 0); + return bpf_btf_load(raw_btf, sizeof(raw_btf), NULL); } static int create_sk_storage_map(void) @@ -150,13 +146,13 @@ static int create_sk_storage_map(void) btf_fd = load_btf(); CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n", btf_fd, errno); - xattr.btf_fd = btf_fd; + map_opts.btf_fd = btf_fd; - map_fd = bpf_create_map_xattr(&xattr); - xattr.btf_fd = -1; + map_fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &map_opts); + map_opts.btf_fd = -1; close(btf_fd); CHECK(map_fd == -1, - "bpf_create_map_xattr()", "errno:%d\n", errno); + "bpf_map_create()", "errno:%d\n", errno); return map_fd; } @@ -463,20 +459,20 @@ static void test_sk_storage_map_basic(void) int cnt; int lock; } value = { .cnt = 0xeB9f, .lock = 0, }, lookup_value; - struct bpf_create_map_attr bad_xattr; + struct bpf_map_create_opts bad_xattr; int btf_fd, map_fd, sk_fd, err; btf_fd = load_btf(); CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n", btf_fd, errno); - xattr.btf_fd = btf_fd; + map_opts.btf_fd = btf_fd; sk_fd = socket(AF_INET6, SOCK_STREAM, 0); CHECK(sk_fd == -1, "socket()", "sk_fd:%d errno:%d\n", sk_fd, errno); - map_fd = bpf_create_map_xattr(&xattr); - CHECK(map_fd == -1, "bpf_create_map_xattr(good_xattr)", + map_fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &map_opts); + CHECK(map_fd == -1, "bpf_map_create(good_xattr)", "map_fd:%d errno:%d\n", map_fd, errno); /* Add new elem */ @@ -560,31 +556,29 @@ static void test_sk_storage_map_basic(void) CHECK(!err || errno != ENOENT, "bpf_map_delete_elem()", "err:%d errno:%d\n", err, errno); - memcpy(&bad_xattr, &xattr, sizeof(xattr)); + memcpy(&bad_xattr, &map_opts, sizeof(map_opts)); bad_xattr.btf_key_type_id = 0; - err = bpf_create_map_xattr(&bad_xattr); - CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)", + err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr); + CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)", "err:%d errno:%d\n", err, errno); - memcpy(&bad_xattr, &xattr, sizeof(xattr)); + memcpy(&bad_xattr, &map_opts, sizeof(map_opts)); bad_xattr.btf_key_type_id = 3; - err = bpf_create_map_xattr(&bad_xattr); - CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)", + err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr); + CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)", "err:%d errno:%d\n", err, errno); - memcpy(&bad_xattr, &xattr, sizeof(xattr)); - bad_xattr.max_entries = 1; - err = bpf_create_map_xattr(&bad_xattr); - CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)", + err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 1, &map_opts); + CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)", "err:%d errno:%d\n", err, errno); - memcpy(&bad_xattr, &xattr, sizeof(xattr)); + memcpy(&bad_xattr, &map_opts, sizeof(map_opts)); bad_xattr.map_flags = 0; - err = bpf_create_map_xattr(&bad_xattr); + err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr); CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)", "err:%d errno:%d\n", err, errno); - xattr.btf_fd = -1; + map_opts.btf_fd = -1; close(btf_fd); close(map_fd); close(sk_fd); diff --git a/tools/testing/selftests/bpf/prog_tests/align.c b/tools/testing/selftests/bpf/prog_tests/align.c index 5861446d0777..0ee29e11eaee 100644 --- a/tools/testing/selftests/bpf/prog_tests/align.c +++ b/tools/testing/selftests/bpf/prog_tests/align.c @@ -39,13 +39,13 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {1, "R1=ctx(id=0,off=0,imm=0)"}, - {1, "R10=fp0"}, - {1, "R3_w=inv2"}, - {2, "R3_w=inv4"}, - {3, "R3_w=inv8"}, - {4, "R3_w=inv16"}, - {5, "R3_w=inv32"}, + {0, "R1=ctx(id=0,off=0,imm=0)"}, + {0, "R10=fp0"}, + {0, "R3_w=inv2"}, + {1, "R3_w=inv4"}, + {2, "R3_w=inv8"}, + {3, "R3_w=inv16"}, + {4, "R3_w=inv32"}, }, }, { @@ -67,19 +67,19 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {1, "R1=ctx(id=0,off=0,imm=0)"}, - {1, "R10=fp0"}, - {1, "R3_w=inv1"}, - {2, "R3_w=inv2"}, - {3, "R3_w=inv4"}, - {4, "R3_w=inv8"}, - {5, "R3_w=inv16"}, - {6, "R3_w=inv1"}, - {7, "R4_w=inv32"}, - {8, "R4_w=inv16"}, - {9, "R4_w=inv8"}, - {10, "R4_w=inv4"}, - {11, "R4_w=inv2"}, + {0, "R1=ctx(id=0,off=0,imm=0)"}, + {0, "R10=fp0"}, + {0, "R3_w=inv1"}, + {1, "R3_w=inv2"}, + {2, "R3_w=inv4"}, + {3, "R3_w=inv8"}, + {4, "R3_w=inv16"}, + {5, "R3_w=inv1"}, + {6, "R4_w=inv32"}, + {7, "R4_w=inv16"}, + {8, "R4_w=inv8"}, + {9, "R4_w=inv4"}, + {10, "R4_w=inv2"}, }, }, { @@ -96,14 +96,14 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {1, "R1=ctx(id=0,off=0,imm=0)"}, - {1, "R10=fp0"}, - {1, "R3_w=inv4"}, - {2, "R3_w=inv8"}, - {3, "R3_w=inv10"}, - {4, "R4_w=inv8"}, - {5, "R4_w=inv12"}, - {6, "R4_w=inv14"}, + {0, "R1=ctx(id=0,off=0,imm=0)"}, + {0, "R10=fp0"}, + {0, "R3_w=inv4"}, + {1, "R3_w=inv8"}, + {2, "R3_w=inv10"}, + {3, "R4_w=inv8"}, + {4, "R4_w=inv12"}, + {5, "R4_w=inv14"}, }, }, { @@ -118,12 +118,12 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {1, "R1=ctx(id=0,off=0,imm=0)"}, - {1, "R10=fp0"}, + {0, "R1=ctx(id=0,off=0,imm=0)"}, + {0, "R10=fp0"}, + {0, "R3_w=inv7"}, {1, "R3_w=inv7"}, - {2, "R3_w=inv7"}, - {3, "R3_w=inv14"}, - {4, "R3_w=inv56"}, + {2, "R3_w=inv14"}, + {3, "R3_w=inv56"}, }, }, @@ -161,19 +161,19 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {7, "R0_w=pkt(id=0,off=8,r=8,imm=0)"}, - {7, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, - {8, "R3_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, - {9, "R3_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, - {10, "R3_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, - {11, "R3_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, - {18, "R3=pkt_end(id=0,off=0,imm=0)"}, - {18, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, - {19, "R4_w=inv(id=0,umax_value=8160,var_off=(0x0; 0x1fe0))"}, - {20, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, - {21, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, - {22, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, - {23, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, + {6, "R0_w=pkt(id=0,off=8,r=8,imm=0)"}, + {6, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, + {7, "R3_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, + {8, "R3_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {9, "R3_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, + {10, "R3_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, + {12, "R3_w=pkt_end(id=0,off=0,imm=0)"}, + {17, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, + {18, "R4_w=inv(id=0,umax_value=8160,var_off=(0x0; 0x1fe0))"}, + {19, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, + {20, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, + {21, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {22, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, }, }, { @@ -194,16 +194,16 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {7, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, - {8, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, - {9, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, - {10, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, - {11, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, - {12, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, - {13, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, - {14, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, - {15, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, - {16, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, + {6, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, + {7, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, + {8, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, + {9, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, + {10, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"}, + {11, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, + {12, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {13, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"}, + {14, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"}, + {15, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"}, }, }, { @@ -234,14 +234,14 @@ static struct bpf_align_test tests[] = { }, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .matches = { - {4, "R5_w=pkt(id=0,off=0,r=0,imm=0)"}, - {5, "R5_w=pkt(id=0,off=14,r=0,imm=0)"}, - {6, "R4_w=pkt(id=0,off=14,r=0,imm=0)"}, - {10, "R2=pkt(id=0,off=0,r=18,imm=0)"}, + {2, "R5_w=pkt(id=0,off=0,r=0,imm=0)"}, + {4, "R5_w=pkt(id=0,off=14,r=0,imm=0)"}, + {5, "R4_w=pkt(id=0,off=14,r=0,imm=0)"}, + {9, "R2=pkt(id=0,off=0,r=18,imm=0)"}, {10, "R5=pkt(id=0,off=14,r=18,imm=0)"}, {10, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"}, + {13, "R4_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff))"}, {14, "R4_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff))"}, - {15, "R4_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff))"}, }, }, { @@ -296,8 +296,8 @@ static struct bpf_align_test tests[] = { /* Calculated offset in R6 has unknown value, but known * alignment of 4. */ - {8, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, - {8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, + {7, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Offset is added to packet pointer R5, resulting in * known fixed offset, and variable offset from R6. */ @@ -313,11 +313,11 @@ static struct bpf_align_test tests[] = { /* Variable offset is added to R5 packet pointer, * resulting in auxiliary alignment of 4. */ - {18, "R5_w=pkt(id=2,off=0,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {17, "R5_w=pkt(id=2,off=0,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Constant offset is added to R5, resulting in * reg->off of 14. */ - {19, "R5_w=pkt(id=2,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {18, "R5_w=pkt(id=2,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* At the time the word size load is performed from R5, * its total fixed offset is NET_IP_ALIGN + reg->off * (14) which is 16. Then the variable offset is 4-byte @@ -329,18 +329,18 @@ static struct bpf_align_test tests[] = { /* Constant offset is added to R5 packet pointer, * resulting in reg->off value of 14. */ - {26, "R5_w=pkt(id=0,off=14,r=8"}, + {25, "R5_w=pkt(id=0,off=14,r=8"}, /* Variable offset is added to R5, resulting in a * variable offset of (4n). */ - {27, "R5_w=pkt(id=3,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {26, "R5_w=pkt(id=3,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Constant is added to R5 again, setting reg->off to 18. */ - {28, "R5_w=pkt(id=3,off=18,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {27, "R5_w=pkt(id=3,off=18,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* And once more we add a variable; resulting var_off * is still (4n), fixed offset is not changed. * Also, we create a new reg->id. */ - {29, "R5_w=pkt(id=4,off=18,r=0,umax_value=2040,var_off=(0x0; 0x7fc)"}, + {28, "R5_w=pkt(id=4,off=18,r=0,umax_value=2040,var_off=(0x0; 0x7fc)"}, /* At the time the word size load is performed from R5, * its total fixed offset is NET_IP_ALIGN + reg->off (18) * which is 20. Then the variable offset is (4n), so @@ -386,13 +386,13 @@ static struct bpf_align_test tests[] = { /* Calculated offset in R6 has unknown value, but known * alignment of 4. */ - {8, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, - {8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, + {7, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Adding 14 makes R6 be (4n+2) */ - {9, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"}, + {8, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"}, /* Packet pointer has (4n+2) offset */ {11, "R5_w=pkt(id=1,off=0,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"}, - {13, "R4=pkt(id=1,off=4,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"}, + {12, "R4=pkt(id=1,off=4,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"}, /* At the time the word size load is performed from R5, * its total fixed offset is NET_IP_ALIGN + reg->off (0) * which is 2. Then the variable offset is (4n+2), so @@ -403,12 +403,12 @@ static struct bpf_align_test tests[] = { /* Newly read value in R6 was shifted left by 2, so has * known alignment of 4. */ - {18, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {17, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Added (4n) to packet pointer's (4n+2) var_off, giving * another (4n+2). */ {19, "R5_w=pkt(id=2,off=0,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"}, - {21, "R4=pkt(id=2,off=4,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"}, + {20, "R4=pkt(id=2,off=4,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"}, /* At the time the word size load is performed from R5, * its total fixed offset is NET_IP_ALIGN + reg->off (0) * which is 2. Then the variable offset is (4n+2), so @@ -448,18 +448,18 @@ static struct bpf_align_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = REJECT, .matches = { - {4, "R5_w=pkt_end(id=0,off=0,imm=0)"}, + {3, "R5_w=pkt_end(id=0,off=0,imm=0)"}, /* (ptr - ptr) << 2 == unknown, (4n) */ - {6, "R5_w=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"}, + {5, "R5_w=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"}, /* (4n) + 14 == (4n+2). We blow our bounds, because * the add could overflow. */ - {7, "R5_w=inv(id=0,smin_value=-9223372036854775806,smax_value=9223372036854775806,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"}, + {6, "R5_w=inv(id=0,smin_value=-9223372036854775806,smax_value=9223372036854775806,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"}, /* Checked s>=0 */ {9, "R5=inv(id=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"}, /* packet pointer + nonnegative (4n+2) */ {11, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"}, - {13, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"}, + {12, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"}, /* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine. * We checked the bounds, but it might have been able * to overflow if the packet pointer started in the @@ -502,14 +502,14 @@ static struct bpf_align_test tests[] = { /* Calculated offset in R6 has unknown value, but known * alignment of 4. */ - {7, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, - {9, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, + {8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Adding 14 makes R6 be (4n+2) */ - {10, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"}, + {9, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"}, /* New unknown value in R7 is (4n) */ - {11, "R7_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, + {10, "R7_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"}, /* Subtracting it from R6 blows our unsigned bounds */ - {12, "R6=inv(id=0,smin_value=-1006,smax_value=1034,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"}, + {11, "R6=inv(id=0,smin_value=-1006,smax_value=1034,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"}, /* Checked s>= 0 */ {14, "R6=inv(id=0,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc))"}, /* At the time the word size load is performed from R5, @@ -556,14 +556,14 @@ static struct bpf_align_test tests[] = { /* Calculated offset in R6 has unknown value, but known * alignment of 4. */ - {7, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, - {10, "R6_w=inv(id=0,umax_value=60,var_off=(0x0; 0x3c))"}, + {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"}, + {9, "R6_w=inv(id=0,umax_value=60,var_off=(0x0; 0x3c))"}, /* Adding 14 makes R6 be (4n+2) */ - {11, "R6_w=inv(id=0,umin_value=14,umax_value=74,var_off=(0x2; 0x7c))"}, + {10, "R6_w=inv(id=0,umin_value=14,umax_value=74,var_off=(0x2; 0x7c))"}, /* Subtracting from packet pointer overflows ubounds */ {13, "R5_w=pkt(id=2,off=0,r=8,umin_value=18446744073709551542,umax_value=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"}, /* New unknown value in R7 is (4n), >= 76 */ - {15, "R7_w=inv(id=0,umin_value=76,umax_value=1096,var_off=(0x0; 0x7fc))"}, + {14, "R7_w=inv(id=0,umin_value=76,umax_value=1096,var_off=(0x0; 0x7fc))"}, /* Adding it to packet pointer gives nice bounds again */ {16, "R5_w=pkt(id=3,off=0,r=0,umin_value=2,umax_value=1082,var_off=(0x2; 0xfffffffc)"}, /* At the time the word size load is performed from R5, @@ -594,6 +594,12 @@ static int do_test_single(struct bpf_align_test *test) struct bpf_insn *prog = test->insns; int prog_type = test->prog_type; char bpf_vlog_copy[32768]; + LIBBPF_OPTS(bpf_prog_load_opts, opts, + .prog_flags = BPF_F_STRICT_ALIGNMENT, + .log_buf = bpf_vlog, + .log_size = sizeof(bpf_vlog), + .log_level = 2, + ); const char *line_ptr; int cur_line = -1; int prog_len, i; @@ -601,9 +607,8 @@ static int do_test_single(struct bpf_align_test *test) int ret; prog_len = probe_filter_length(prog); - fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, - prog, prog_len, BPF_F_STRICT_ALIGNMENT, - "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 2); + fd_prog = bpf_prog_load(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, NULL, "GPL", + prog, prog_len, &opts); if (fd_prog < 0 && test->result != REJECT) { printf("Failed to load program.\n"); printf("%s", bpf_vlog); @@ -620,12 +625,15 @@ static int do_test_single(struct bpf_align_test *test) line_ptr = strtok(bpf_vlog_copy, "\n"); for (i = 0; i < MAX_MATCHES; i++) { struct bpf_reg_match m = test->matches[i]; + int tmp; if (!m.match) break; while (line_ptr) { cur_line = -1; sscanf(line_ptr, "%u: ", &cur_line); + if (cur_line == -1) + sscanf(line_ptr, "from %u to %u: ", &tmp, &cur_line); if (cur_line == m.line) break; line_ptr = strtok(NULL, "\n"); @@ -637,7 +645,19 @@ static int do_test_single(struct bpf_align_test *test) printf("%s", bpf_vlog); break; } + /* Check the next line as well in case the previous line + * did not have a corresponding bpf insn. Example: + * func#0 @0 + * 0: R1=ctx(id=0,off=0,imm=0) R10=fp0 + * 0: (b7) r3 = 2 ; R3_w=inv2 + */ if (!strstr(line_ptr, m.match)) { + cur_line = -1; + line_ptr = strtok(NULL, "\n"); + sscanf(line_ptr, "%u: ", &cur_line); + } + if (cur_line != m.line || !line_ptr || + !strstr(line_ptr, m.match)) { printf("Failed to find match %u: %s\n", m.line, m.match); ret = 1; diff --git a/tools/testing/selftests/bpf/prog_tests/atomics.c b/tools/testing/selftests/bpf/prog_tests/atomics.c index 0f9525293881..86b7d5d84eec 100644 --- a/tools/testing/selftests/bpf/prog_tests/atomics.c +++ b/tools/testing/selftests/bpf/prog_tests/atomics.c @@ -167,7 +167,7 @@ static void test_cmpxchg(struct atomics_lskel *skel) prog_fd = skel->progs.cmpxchg.prog_fd; err = bpf_prog_test_run(prog_fd, 1, NULL, 0, NULL, NULL, &retval, &duration); - if (CHECK(err || retval, "test_run add", + if (CHECK(err || retval, "test_run cmpxchg", "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) goto cleanup; @@ -196,7 +196,7 @@ static void test_xchg(struct atomics_lskel *skel) prog_fd = skel->progs.xchg.prog_fd; err = bpf_prog_test_run(prog_fd, 1, NULL, 0, NULL, NULL, &retval, &duration); - if (CHECK(err || retval, "test_run add", + if (CHECK(err || retval, "test_run xchg", "err %d errno %d retval %d duration %d\n", err, errno, retval, duration)) goto cleanup; diff --git a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c index be73e3de6668..d2d9e965eba5 100644 --- a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c +++ b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c @@ -7,32 +7,33 @@ static void test_fail_cases(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts); __u32 value; int fd, err; /* Invalid key size */ - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 4, sizeof(value), 100, 0); - if (!ASSERT_LT(fd, 0, "bpf_create_map bloom filter invalid key size")) + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 4, sizeof(value), 100, NULL); + if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid key size")) close(fd); /* Invalid value size */ - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, 0, 100, 0); - if (!ASSERT_LT(fd, 0, "bpf_create_map bloom filter invalid value size 0")) + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, 0, 100, NULL); + if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value size 0")) close(fd); /* Invalid max entries size */ - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, sizeof(value), 0, 0); - if (!ASSERT_LT(fd, 0, "bpf_create_map bloom filter invalid max entries size")) + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 0, NULL); + if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid max entries size")) close(fd); /* Bloom filter maps do not support BPF_F_NO_PREALLOC */ - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, sizeof(value), 100, - BPF_F_NO_PREALLOC); - if (!ASSERT_LT(fd, 0, "bpf_create_map bloom filter invalid flags")) + opts.map_flags = BPF_F_NO_PREALLOC; + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, &opts); + if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid flags")) close(fd); - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, sizeof(value), 100, 0); - if (!ASSERT_GE(fd, 0, "bpf_create_map bloom filter")) + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, NULL); + if (!ASSERT_GE(fd, 0, "bpf_map_create bloom filter")) return; /* Test invalid flags */ @@ -56,13 +57,14 @@ static void test_fail_cases(void) static void test_success_cases(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts); char value[11]; int fd, err; /* Create a map */ - fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, sizeof(value), 100, - BPF_F_ZERO_SEED | BPF_F_NUMA_NODE); - if (!ASSERT_GE(fd, 0, "bpf_create_map bloom filter success case")) + opts.map_flags = BPF_F_ZERO_SEED | BPF_F_NUMA_NODE; + fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, &opts); + if (!ASSERT_GE(fd, 0, "bpf_map_create bloom filter success case")) return; /* Add a value to the bloom filter */ @@ -100,9 +102,9 @@ static void test_inner_map(struct bloom_filter_map *skel, const __u32 *rand_vals struct bpf_link *link; /* Create a bloom filter map that will be used as the inner map */ - inner_map_fd = bpf_create_map(BPF_MAP_TYPE_BLOOM_FILTER, 0, sizeof(*rand_vals), - nr_rand_vals, 0); - if (!ASSERT_GE(inner_map_fd, 0, "bpf_create_map bloom filter inner map")) + inner_map_fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(*rand_vals), + nr_rand_vals, NULL); + if (!ASSERT_GE(inner_map_fd, 0, "bpf_map_create bloom filter inner map")) return; for (i = 0; i < nr_rand_vals; i++) { diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c index 9454331aaf85..b84f859b1267 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c @@ -469,12 +469,12 @@ static void test_overflow(bool test_e2big_overflow, bool ret1) * fills seq_file buffer and then the other will trigger * overflow and needs restart. */ - map1_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0); - if (CHECK(map1_fd < 0, "bpf_create_map", + map1_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL); + if (CHECK(map1_fd < 0, "bpf_map_create", "map_creation failed: %s\n", strerror(errno))) goto out; - map2_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0); - if (CHECK(map2_fd < 0, "bpf_create_map", + map2_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL); + if (CHECK(map2_fd < 0, "bpf_map_create", "map_creation failed: %s\n", strerror(errno))) goto free_map1; @@ -699,14 +699,13 @@ static void test_bpf_percpu_hash_map(void) char buf[64]; void *val; - val = malloc(8 * bpf_num_possible_cpus()); - skel = bpf_iter_bpf_percpu_hash_map__open(); if (CHECK(!skel, "bpf_iter_bpf_percpu_hash_map__open", "skeleton open failed\n")) return; skel->rodata->num_cpus = bpf_num_possible_cpus(); + val = malloc(8 * bpf_num_possible_cpus()); err = bpf_iter_bpf_percpu_hash_map__load(skel); if (CHECK(!skel, "bpf_iter_bpf_percpu_hash_map__load", @@ -770,6 +769,7 @@ free_link: bpf_link__destroy(link); out: bpf_iter_bpf_percpu_hash_map__destroy(skel); + free(val); } static void test_bpf_array_map(void) @@ -870,14 +870,13 @@ static void test_bpf_percpu_array_map(void) void *val; int len; - val = malloc(8 * bpf_num_possible_cpus()); - skel = bpf_iter_bpf_percpu_array_map__open(); if (CHECK(!skel, "bpf_iter_bpf_percpu_array_map__open", "skeleton open failed\n")) return; skel->rodata->num_cpus = bpf_num_possible_cpus(); + val = malloc(8 * bpf_num_possible_cpus()); err = bpf_iter_bpf_percpu_array_map__load(skel); if (CHECK(!skel, "bpf_iter_bpf_percpu_array_map__load", @@ -933,6 +932,7 @@ free_link: bpf_link__destroy(link); out: bpf_iter_bpf_percpu_array_map__destroy(skel); + free(val); } /* An iterator program deletes all local storage in a map. */ @@ -1206,13 +1206,14 @@ static void test_task_vma(void) goto out; /* Read CMP_BUFFER_SIZE (1kB) from bpf_iter. Read in small chunks - * to trigger seq_file corner cases. The expected output is much - * longer than 1kB, so the while loop will terminate. + * to trigger seq_file corner cases. */ len = 0; while (len < CMP_BUFFER_SIZE) { err = read_fd_into_buffer(iter_fd, task_vma_output + len, min(read_size, CMP_BUFFER_SIZE - len)); + if (!err) + break; if (CHECK(err < 0, "read_iter_fd", "read_iter_fd failed\n")) goto out; len += err; diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_loop.c b/tools/testing/selftests/bpf/prog_tests/bpf_loop.c new file mode 100644 index 000000000000..380d7a2072e3 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/bpf_loop.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include <test_progs.h> +#include <network_helpers.h> +#include "bpf_loop.skel.h" + +static void check_nr_loops(struct bpf_loop *skel) +{ + struct bpf_link *link; + + link = bpf_program__attach(skel->progs.test_prog); + if (!ASSERT_OK_PTR(link, "link")) + return; + + /* test 0 loops */ + skel->bss->nr_loops = 0; + + usleep(1); + + ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops, + "0 loops"); + + /* test 500 loops */ + skel->bss->nr_loops = 500; + + usleep(1); + + ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops, + "500 loops"); + ASSERT_EQ(skel->bss->g_output, (500 * 499) / 2, "g_output"); + + /* test exceeding the max limit */ + skel->bss->nr_loops = -1; + + usleep(1); + + ASSERT_EQ(skel->bss->err, -E2BIG, "over max limit"); + + bpf_link__destroy(link); +} + +static void check_callback_fn_stop(struct bpf_loop *skel) +{ + struct bpf_link *link; + + link = bpf_program__attach(skel->progs.test_prog); + if (!ASSERT_OK_PTR(link, "link")) + return; + + /* testing that loop is stopped when callback_fn returns 1 */ + skel->bss->nr_loops = 400; + skel->data->stop_index = 50; + + usleep(1); + + ASSERT_EQ(skel->bss->nr_loops_returned, skel->data->stop_index + 1, + "nr_loops_returned"); + ASSERT_EQ(skel->bss->g_output, (50 * 49) / 2, + "g_output"); + + bpf_link__destroy(link); +} + +static void check_null_callback_ctx(struct bpf_loop *skel) +{ + struct bpf_link *link; + + /* check that user is able to pass in a null callback_ctx */ + link = bpf_program__attach(skel->progs.prog_null_ctx); + if (!ASSERT_OK_PTR(link, "link")) + return; + + skel->bss->nr_loops = 10; + + usleep(1); + + ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops, + "nr_loops_returned"); + + bpf_link__destroy(link); +} + +static void check_invalid_flags(struct bpf_loop *skel) +{ + struct bpf_link *link; + + /* check that passing in non-zero flags returns -EINVAL */ + link = bpf_program__attach(skel->progs.prog_invalid_flags); + if (!ASSERT_OK_PTR(link, "link")) + return; + + usleep(1); + + ASSERT_EQ(skel->bss->err, -EINVAL, "err"); + + bpf_link__destroy(link); +} + +static void check_nested_calls(struct bpf_loop *skel) +{ + __u32 nr_loops = 100, nested_callback_nr_loops = 4; + struct bpf_link *link; + + /* check that nested calls are supported */ + link = bpf_program__attach(skel->progs.prog_nested_calls); + if (!ASSERT_OK_PTR(link, "link")) + return; + + skel->bss->nr_loops = nr_loops; + skel->bss->nested_callback_nr_loops = nested_callback_nr_loops; + + usleep(1); + + ASSERT_EQ(skel->bss->nr_loops_returned, nr_loops * nested_callback_nr_loops + * nested_callback_nr_loops, "nr_loops_returned"); + ASSERT_EQ(skel->bss->g_output, (4 * 3) / 2 * nested_callback_nr_loops + * nr_loops, "g_output"); + + bpf_link__destroy(link); +} + +void test_bpf_loop(void) +{ + struct bpf_loop *skel; + + skel = bpf_loop__open_and_load(); + if (!ASSERT_OK_PTR(skel, "bpf_loop__open_and_load")) + return; + + skel->bss->pid = getpid(); + + if (test__start_subtest("check_nr_loops")) + check_nr_loops(skel); + if (test__start_subtest("check_callback_fn_stop")) + check_callback_fn_stop(skel); + if (test__start_subtest("check_null_callback_ctx")) + check_null_callback_ctx(skel); + if (test__start_subtest("check_invalid_flags")) + check_invalid_flags(skel); + if (test__start_subtest("check_nested_calls")) + check_nested_calls(skel); + + bpf_loop__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c index eb8eeebe6935..dbe56fa8582d 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c @@ -48,7 +48,7 @@ void serial_test_bpf_obj_id(void) bzero(zeros, sizeof(zeros)); for (i = 0; i < nr_iters; i++) { now = time(NULL); - err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, + err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &objs[i], &prog_fds[i]); /* test_obj_id.o is a dumb prog. It should never fail * to load. @@ -65,8 +65,8 @@ void serial_test_bpf_obj_id(void) if (CHECK_FAIL(err)) goto done; - prog = bpf_object__find_program_by_title(objs[i], - "raw_tp/sys_enter"); + prog = bpf_object__find_program_by_name(objs[i], + "test_obj_id"); if (CHECK_FAIL(!prog)) goto done; links[i] = bpf_program__attach(prog); diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index 94e03df69d71..8f7a1cef7d87 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -217,21 +217,22 @@ static bool found; static int libbpf_debug_print(enum libbpf_print_level level, const char *format, va_list args) { - char *log_buf; + const char *prog_name, *log_buf; if (level != LIBBPF_WARN || - strcmp(format, "libbpf: \n%s\n")) { + !strstr(format, "-- BEGIN PROG LOAD LOG --")) { vprintf(format, args); return 0; } + prog_name = va_arg(args, char *); log_buf = va_arg(args, char *); if (!log_buf) goto out; if (err_str && strstr(log_buf, err_str) != NULL) found = true; out: - printf(format, log_buf); + printf(format, prog_name, log_buf); return 0; } diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c index 27f5d8ea7964..ff6cce9fef06 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c @@ -19,16 +19,28 @@ extern int extra_prog_load_log_flags; static int check_load(const char *file, enum bpf_prog_type type) { - struct bpf_prog_load_attr attr; struct bpf_object *obj = NULL; - int err, prog_fd; - - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = file; - attr.prog_type = type; - attr.log_level = 4 | extra_prog_load_log_flags; - attr.prog_flags = BPF_F_TEST_RND_HI32; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); + struct bpf_program *prog; + int err; + + obj = bpf_object__open_file(file, NULL); + err = libbpf_get_error(obj); + if (err) + return err; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + bpf_program__set_type(prog, type); + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + bpf_program__set_log_level(prog, 4 | extra_prog_load_log_flags); + + err = bpf_object__load(obj); + +err_out: bpf_object__close(obj); return err; } @@ -115,6 +127,12 @@ void test_verif_scale_pyperf600() scale_test("pyperf600.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false); } +void test_verif_scale_pyperf600_bpf_loop(void) +{ + /* use the bpf_loop helper*/ + scale_test("pyperf600_bpf_loop.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false); +} + void test_verif_scale_pyperf600_nounroll() { /* no unroll at all. @@ -165,6 +183,12 @@ void test_verif_scale_strobemeta() scale_test("strobemeta.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false); } +void test_verif_scale_strobemeta_bpf_loop(void) +{ + /* use the bpf_loop helper*/ + scale_test("strobemeta_bpf_loop.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false); +} + void test_verif_scale_strobemeta_nounroll1() { /* no unroll, tiny loops */ diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index ac596cb06e40..8ba53acf9eb4 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -22,7 +22,6 @@ #include <bpf/libbpf.h> #include <bpf/btf.h> -#include "bpf_rlimit.h" #include "bpf_util.h" #include "../test_btf.h" #include "test_progs.h" @@ -3939,6 +3938,23 @@ static struct btf_raw_test raw_tests[] = { .btf_load_err = true, .err_str = "Invalid component_idx", }, +{ + .descr = "type_tag test #1", + .raw_types = { + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */ + BTF_PTR_ENC(2), /* [3] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag"), + .map_type = BPF_MAP_TYPE_ARRAY, + .map_name = "tag_type_check_btf", + .key_size = sizeof(int), + .value_size = 4, + .key_type_id = 1, + .value_type_id = 1, + .max_entries = 1, +}, }; /* struct btf_raw_test raw_tests[] */ @@ -4046,20 +4062,40 @@ static void *btf_raw_create(const struct btf_header *hdr, next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL; done: + free(strs_idx); if (err) { - if (raw_btf) - free(raw_btf); - if (strs_idx) - free(strs_idx); + free(raw_btf); return NULL; } return raw_btf; } +static int load_raw_btf(const void *raw_data, size_t raw_size) +{ + LIBBPF_OPTS(bpf_btf_load_opts, opts); + int btf_fd; + + if (always_log) { + opts.log_buf = btf_log_buf, + opts.log_size = BTF_LOG_BUF_SIZE, + opts.log_level = 1; + } + + btf_fd = bpf_btf_load(raw_data, raw_size, &opts); + if (btf_fd < 0 && !always_log) { + opts.log_buf = btf_log_buf, + opts.log_size = BTF_LOG_BUF_SIZE, + opts.log_level = 1; + btf_fd = bpf_btf_load(raw_data, raw_size, &opts); + } + + return btf_fd; +} + static void do_test_raw(unsigned int test_num) { struct btf_raw_test *test = &raw_tests[test_num - 1]; - struct bpf_create_map_attr create_attr = {}; + LIBBPF_OPTS(bpf_map_create_opts, opts); int map_fd = -1, btf_fd = -1; unsigned int raw_btf_size; struct btf_header *hdr; @@ -4085,16 +4121,14 @@ static void do_test_raw(unsigned int test_num) hdr->str_len = (int)hdr->str_len + test->str_len_delta; *btf_log_buf = '\0'; - btf_fd = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); err = ((btf_fd < 0) != test->btf_load_err); if (CHECK(err, "btf_fd:%d test->btf_load_err:%u", btf_fd, test->btf_load_err) || CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), - "expected err_str:%s", test->err_str)) { + "expected err_str:%s\n", test->err_str)) { err = -1; goto done; } @@ -4102,16 +4136,11 @@ static void do_test_raw(unsigned int test_num) if (err || btf_fd < 0) goto done; - create_attr.name = test->map_name; - create_attr.map_type = test->map_type; - create_attr.key_size = test->key_size; - create_attr.value_size = test->value_size; - create_attr.max_entries = test->max_entries; - create_attr.btf_fd = btf_fd; - create_attr.btf_key_type_id = test->key_type_id; - create_attr.btf_value_type_id = test->value_type_id; - - map_fd = bpf_create_map_xattr(&create_attr); + opts.btf_fd = btf_fd; + opts.btf_key_type_id = test->key_type_id; + opts.btf_value_type_id = test->value_type_id; + map_fd = bpf_map_create(test->map_type, test->map_name, + test->key_size, test->value_size, test->max_entries, &opts); err = ((map_fd < 0) != test->map_create_err); CHECK(err, "map_fd:%d test->map_create_err:%u", @@ -4217,9 +4246,7 @@ static int test_big_btf_info(unsigned int test_num) goto done; } - btf_fd = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd < 0, "errno:%d", errno)) { err = -1; goto done; @@ -4275,7 +4302,7 @@ done: static int test_btf_id(unsigned int test_num) { const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; - struct bpf_create_map_attr create_attr = {}; + LIBBPF_OPTS(bpf_map_create_opts, opts); uint8_t *raw_btf = NULL, *user_btf[2] = {}; int btf_fd[2] = {-1, -1}, map_fd = -1; struct bpf_map_info map_info = {}; @@ -4305,9 +4332,7 @@ static int test_btf_id(unsigned int test_num) info[i].btf_size = raw_btf_size; } - btf_fd[0] = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { err = -1; goto done; @@ -4340,16 +4365,11 @@ static int test_btf_id(unsigned int test_num) } /* Test btf members in struct bpf_map_info */ - create_attr.name = "test_btf_id"; - create_attr.map_type = BPF_MAP_TYPE_ARRAY; - create_attr.key_size = sizeof(int); - create_attr.value_size = sizeof(unsigned int); - create_attr.max_entries = 4; - create_attr.btf_fd = btf_fd[0]; - create_attr.btf_key_type_id = 1; - create_attr.btf_value_type_id = 2; - - map_fd = bpf_create_map_xattr(&create_attr); + opts.btf_fd = btf_fd[0]; + opts.btf_key_type_id = 1; + opts.btf_value_type_id = 2; + map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id", + sizeof(int), sizeof(int), 4, &opts); if (CHECK(map_fd < 0, "errno:%d", errno)) { err = -1; goto done; @@ -4442,9 +4462,7 @@ static void do_test_get_info(unsigned int test_num) goto done; } - btf_fd = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd = load_raw_btf(raw_btf, raw_btf_size); if (CHECK(btf_fd <= 0, "errno:%d", errno)) { err = -1; goto done; @@ -5138,7 +5156,7 @@ static void do_test_pprint(int test_num) { const struct btf_raw_test *test = &pprint_test_template[test_num]; enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; - struct bpf_create_map_attr create_attr = {}; + LIBBPF_OPTS(bpf_map_create_opts, opts); bool ordered_map, lossless_map, percpu_map; int err, ret, num_cpus, rounded_value_size; unsigned int key, nr_read_elems; @@ -5164,26 +5182,19 @@ static void do_test_pprint(int test_num) return; *btf_log_buf = '\0'; - btf_fd = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); - if (CHECK(btf_fd < 0, "errno:%d", errno)) { + if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { err = -1; goto done; } - create_attr.name = test->map_name; - create_attr.map_type = test->map_type; - create_attr.key_size = test->key_size; - create_attr.value_size = test->value_size; - create_attr.max_entries = test->max_entries; - create_attr.btf_fd = btf_fd; - create_attr.btf_key_type_id = test->key_type_id; - create_attr.btf_value_type_id = test->value_type_id; - - map_fd = bpf_create_map_xattr(&create_attr); + opts.btf_fd = btf_fd; + opts.btf_key_type_id = test->key_type_id; + opts.btf_value_type_id = test->value_type_id; + map_fd = bpf_map_create(test->map_type, test->map_name, + test->key_size, test->value_size, test->max_entries, &opts); if (CHECK(map_fd < 0, "errno:%d", errno)) { err = -1; goto done; @@ -6538,9 +6549,7 @@ static void do_test_info_raw(unsigned int test_num) return; *btf_log_buf = '\0'; - btf_fd = bpf_load_btf(raw_btf, raw_btf_size, - btf_log_buf, BTF_LOG_BUF_SIZE, - always_log); + btf_fd = load_raw_btf(raw_btf, raw_btf_size); free(raw_btf); if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { @@ -6629,7 +6638,7 @@ struct btf_dedup_test { struct btf_dedup_opts opts; }; -const struct btf_dedup_test dedup_tests[] = { +static struct btf_dedup_test dedup_tests[] = { { .descr = "dedup: unused strings filtering", @@ -6649,9 +6658,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0int\0long"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: strings deduplication", @@ -6674,9 +6680,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0int\0long int"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: struct example #1", @@ -6757,9 +6760,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: struct <-> fwd resolution w/ hash collision", @@ -6802,8 +6802,7 @@ const struct btf_dedup_test dedup_tests[] = { BTF_STR_SEC("\0s\0x"), }, .opts = { - .dont_resolve_fwds = false, - .dedup_table_size = 1, /* force hash collisions */ + .force_collisions = true, /* force hash collisions */ }, }, { @@ -6849,8 +6848,7 @@ const struct btf_dedup_test dedup_tests[] = { BTF_STR_SEC("\0s\0x"), }, .opts = { - .dont_resolve_fwds = false, - .dedup_table_size = 1, /* force hash collisions */ + .force_collisions = true, /* force hash collisions */ }, }, { @@ -6874,15 +6872,16 @@ const struct btf_dedup_test dedup_tests[] = { BTF_RESTRICT_ENC(8), /* [11] restrict */ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), - BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8), + BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ + BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ BTF_END_RAW, }, - BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q"), + BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"), }, .expect = { .raw_types = { @@ -6903,18 +6902,16 @@ const struct btf_dedup_test dedup_tests[] = { BTF_RESTRICT_ENC(8), /* [11] restrict */ BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), - BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8), + BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ + BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ BTF_END_RAW, }, - BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q"), - }, - .opts = { - .dont_resolve_fwds = false, + BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"), }, }, { @@ -6967,9 +6964,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0int\0some other int\0float"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: enum fwd resolution", @@ -7011,9 +7005,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: datasec and vars pass-through", @@ -7056,8 +7047,7 @@ const struct btf_dedup_test dedup_tests[] = { BTF_STR_SEC("\0.bss\0t"), }, .opts = { - .dont_resolve_fwds = false, - .dedup_table_size = 1 + .force_collisions = true }, }, { @@ -7101,9 +7091,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: func/func_param tags", @@ -7154,9 +7141,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: struct/struct_member tags", @@ -7202,9 +7186,6 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), }, - .opts = { - .dont_resolve_fwds = false, - }, }, { .descr = "dedup: typedef tags", @@ -7235,8 +7216,160 @@ const struct btf_dedup_test dedup_tests[] = { }, BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), }, - .opts = { - .dont_resolve_fwds = false, +}, +{ + .descr = "dedup: btf_type_tag #1", + .input = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ + BTF_PTR_ENC(6), /* [7] */ + /* ptr -> tag1 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ + BTF_PTR_ENC(8), /* [9] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, + .expect = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag1 -> int */ + BTF_PTR_ENC(2), /* [5] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, +}, +{ + .descr = "dedup: btf_type_tag #2", + .input = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag2 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ + BTF_PTR_ENC(5), /* [6] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, + .expect = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag2 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ + BTF_PTR_ENC(5), /* [6] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, +}, +{ + .descr = "dedup: btf_type_tag #3", + .input = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag1 -> tag2 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ + BTF_PTR_ENC(6), /* [7] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, + .expect = { + .raw_types = { + /* ptr -> tag2 -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ + BTF_PTR_ENC(3), /* [4] */ + /* ptr -> tag1 -> tag2 -> int */ + BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ + BTF_PTR_ENC(6), /* [7] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0tag2"), + }, +}, +{ + .descr = "dedup: btf_type_tag #4", + .input = { + .raw_types = { + /* ptr -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_PTR_ENC(2), /* [3] */ + /* ptr -> tag1 -> long */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ + BTF_PTR_ENC(5), /* [6] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1"), + }, + .expect = { + .raw_types = { + /* ptr -> tag1 -> int */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_PTR_ENC(2), /* [3] */ + /* ptr -> tag1 -> long */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ + BTF_PTR_ENC(5), /* [6] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1"), + }, +}, +{ + .descr = "dedup: btf_type_tag #5, struct", + .input = { + .raw_types = { + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ + BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ + BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ + BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0t\0m"), + }, + .expect = { + .raw_types = { + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ + BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ + BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), + BTF_END_RAW, + }, + BTF_STR_SEC("\0tag1\0t\0m"), }, }, @@ -7257,6 +7390,7 @@ static int btf_type_size(const struct btf_type *t) case BTF_KIND_TYPEDEF: case BTF_KIND_FUNC: case BTF_KIND_FLOAT: + case BTF_KIND_TYPE_TAG: return base_size; case BTF_KIND_INT: return base_size + sizeof(__u32); @@ -7295,7 +7429,7 @@ static void dump_btf_strings(const char *strs, __u32 len) static void do_test_dedup(unsigned int test_num) { - const struct btf_dedup_test *test = &dedup_tests[test_num - 1]; + struct btf_dedup_test *test = &dedup_tests[test_num - 1]; __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; const struct btf_header *test_hdr, *expect_hdr; struct btf *test_btf = NULL, *expect_btf = NULL; @@ -7339,7 +7473,8 @@ static void do_test_dedup(unsigned int test_num) goto done; } - err = btf__dedup(test_btf, NULL, &test->opts); + test->opts.sz = sizeof(test->opts); + err = btf__dedup(test_btf, &test->opts); if (CHECK(err, "btf_dedup failed errno:%d", err)) { err = -1; goto done; diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c b/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c index 64554fd33547..90aac437576d 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c @@ -92,7 +92,7 @@ struct s2 {\n\ int *f3;\n\ };\n\n", "c_dump"); - err = btf__dedup(btf2, NULL, NULL); + err = btf__dedup(btf2, NULL); if (!ASSERT_OK(err, "btf_dedup")) goto cleanup; @@ -186,7 +186,7 @@ static void test_split_fwd_resolve() { "\t'f1' type_id=7 bits_offset=0\n" "\t'f2' type_id=9 bits_offset=64"); - err = btf__dedup(btf2, NULL, NULL); + err = btf__dedup(btf2, NULL); if (!ASSERT_OK(err, "btf_dedup")) goto cleanup; @@ -283,7 +283,7 @@ static void test_split_struct_duped() { "[13] STRUCT 's3' size=8 vlen=1\n" "\t'f1' type_id=12 bits_offset=0"); - err = btf__dedup(btf2, NULL, NULL); + err = btf__dedup(btf2, NULL); if (!ASSERT_OK(err, "btf_dedup")) goto cleanup; @@ -314,6 +314,117 @@ cleanup: btf__free(btf1); } +static void btf_add_dup_struct_in_cu(struct btf *btf, int start_id) +{ +#define ID(n) (start_id + n) + btf__set_pointer_size(btf, 8); /* enforce 64-bit arch */ + + btf__add_int(btf, "int", 4, BTF_INT_SIGNED); /* [1] int */ + + btf__add_struct(btf, "s", 8); /* [2] struct s { */ + btf__add_field(btf, "a", ID(3), 0, 0); /* struct anon a; */ + btf__add_field(btf, "b", ID(4), 0, 0); /* struct anon b; */ + /* } */ + + btf__add_struct(btf, "(anon)", 8); /* [3] struct anon { */ + btf__add_field(btf, "f1", ID(1), 0, 0); /* int f1; */ + btf__add_field(btf, "f2", ID(1), 32, 0); /* int f2; */ + /* } */ + + btf__add_struct(btf, "(anon)", 8); /* [4] struct anon { */ + btf__add_field(btf, "f1", ID(1), 0, 0); /* int f1; */ + btf__add_field(btf, "f2", ID(1), 32, 0); /* int f2; */ + /* } */ +#undef ID +} + +static void test_split_dup_struct_in_cu() +{ + struct btf *btf1, *btf2 = NULL; + int err; + + /* generate the base data.. */ + btf1 = btf__new_empty(); + if (!ASSERT_OK_PTR(btf1, "empty_main_btf")) + return; + + btf_add_dup_struct_in_cu(btf1, 0); + + VALIDATE_RAW_BTF( + btf1, + "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[2] STRUCT 's' size=8 vlen=2\n" + "\t'a' type_id=3 bits_offset=0\n" + "\t'b' type_id=4 bits_offset=0", + "[3] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=1 bits_offset=0\n" + "\t'f2' type_id=1 bits_offset=32", + "[4] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=1 bits_offset=0\n" + "\t'f2' type_id=1 bits_offset=32"); + + /* ..dedup them... */ + err = btf__dedup(btf1, NULL); + if (!ASSERT_OK(err, "btf_dedup")) + goto cleanup; + + VALIDATE_RAW_BTF( + btf1, + "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[2] STRUCT 's' size=8 vlen=2\n" + "\t'a' type_id=3 bits_offset=0\n" + "\t'b' type_id=3 bits_offset=0", + "[3] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=1 bits_offset=0\n" + "\t'f2' type_id=1 bits_offset=32"); + + /* and add the same data on top of it */ + btf2 = btf__new_empty_split(btf1); + if (!ASSERT_OK_PTR(btf2, "empty_split_btf")) + goto cleanup; + + btf_add_dup_struct_in_cu(btf2, 3); + + VALIDATE_RAW_BTF( + btf2, + "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[2] STRUCT 's' size=8 vlen=2\n" + "\t'a' type_id=3 bits_offset=0\n" + "\t'b' type_id=3 bits_offset=0", + "[3] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=1 bits_offset=0\n" + "\t'f2' type_id=1 bits_offset=32", + "[4] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[5] STRUCT 's' size=8 vlen=2\n" + "\t'a' type_id=6 bits_offset=0\n" + "\t'b' type_id=7 bits_offset=0", + "[6] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=4 bits_offset=0\n" + "\t'f2' type_id=4 bits_offset=32", + "[7] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=4 bits_offset=0\n" + "\t'f2' type_id=4 bits_offset=32"); + + err = btf__dedup(btf2, NULL); + if (!ASSERT_OK(err, "btf_dedup")) + goto cleanup; + + /* after dedup it should match the original data */ + VALIDATE_RAW_BTF( + btf2, + "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[2] STRUCT 's' size=8 vlen=2\n" + "\t'a' type_id=3 bits_offset=0\n" + "\t'b' type_id=3 bits_offset=0", + "[3] STRUCT '(anon)' size=8 vlen=2\n" + "\t'f1' type_id=1 bits_offset=0\n" + "\t'f2' type_id=1 bits_offset=32"); + +cleanup: + btf__free(btf2); + btf__free(btf1); +} + void test_btf_dedup_split() { if (test__start_subtest("split_simple")) @@ -322,4 +433,6 @@ void test_btf_dedup_split() test_split_struct_duped(); if (test__start_subtest("split_fwd_resolve")) test_split_fwd_resolve(); + if (test__start_subtest("split_dup_struct_in_cu")) + test_split_dup_struct_in_cu(); } diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c index aa76360d8f49..9e26903f9170 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c @@ -13,25 +13,23 @@ static struct btf_dump_test_case { const char *name; const char *file; bool known_ptr_sz; - struct btf_dump_opts opts; } btf_dump_test_cases[] = { - {"btf_dump: syntax", "btf_dump_test_case_syntax", true, {}}, - {"btf_dump: ordering", "btf_dump_test_case_ordering", false, {}}, - {"btf_dump: padding", "btf_dump_test_case_padding", true, {}}, - {"btf_dump: packing", "btf_dump_test_case_packing", true, {}}, - {"btf_dump: bitfields", "btf_dump_test_case_bitfields", true, {}}, - {"btf_dump: multidim", "btf_dump_test_case_multidim", false, {}}, - {"btf_dump: namespacing", "btf_dump_test_case_namespacing", false, {}}, + {"btf_dump: syntax", "btf_dump_test_case_syntax", true}, + {"btf_dump: ordering", "btf_dump_test_case_ordering", false}, + {"btf_dump: padding", "btf_dump_test_case_padding", true}, + {"btf_dump: packing", "btf_dump_test_case_packing", true}, + {"btf_dump: bitfields", "btf_dump_test_case_bitfields", true}, + {"btf_dump: multidim", "btf_dump_test_case_multidim", false}, + {"btf_dump: namespacing", "btf_dump_test_case_namespacing", false}, }; -static int btf_dump_all_types(const struct btf *btf, - const struct btf_dump_opts *opts) +static int btf_dump_all_types(const struct btf *btf, void *ctx) { size_t type_cnt = btf__type_cnt(btf); struct btf_dump *d; int err = 0, id; - d = btf_dump__new(btf, NULL, opts, btf_dump_printf); + d = btf_dump__new(btf, btf_dump_printf, ctx, NULL); err = libbpf_get_error(d); if (err) return err; @@ -88,8 +86,7 @@ static int test_btf_dump_case(int n, struct btf_dump_test_case *t) goto done; } - t->opts.ctx = f; - err = btf_dump_all_types(btf, &t->opts); + err = btf_dump_all_types(btf, f); fclose(f); close(fd); if (CHECK(err, "btf_dump", "failure during C dumping: %d\n", err)) { @@ -137,7 +134,6 @@ static void test_btf_dump_incremental(void) { struct btf *btf = NULL; struct btf_dump *d = NULL; - struct btf_dump_opts opts; int id, err, i; dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz); @@ -146,8 +142,7 @@ static void test_btf_dump_incremental(void) btf = btf__new_empty(); if (!ASSERT_OK_PTR(btf, "new_empty")) goto err_out; - opts.ctx = dump_buf_file; - d = btf_dump__new(btf, NULL, &opts, btf_dump_printf); + d = btf_dump__new(btf, btf_dump_printf, dump_buf_file, NULL); if (!ASSERT_OK(libbpf_get_error(d), "btf_dump__new")) goto err_out; @@ -328,7 +323,7 @@ static void test_btf_dump_int_data(struct btf *btf, struct btf_dump *d, char *str) { #ifdef __SIZEOF_INT128__ - __int128 i = 0xffffffffffffffff; + unsigned __int128 i = 0xffffffffffffffff; /* this dance is required because we cannot directly initialize * a 128-bit value to anything larger than a 64-bit value. @@ -761,7 +756,7 @@ static void test_btf_dump_struct_data(struct btf *btf, struct btf_dump *d, /* overflow bpf_sock_ops struct with final element nonzero/zero. * Regardless of the value of the final field, we don't have all the * data we need to display it, so we should trigger an overflow. - * In other words oveflow checking should trump "is field zero?" + * In other words overflow checking should trump "is field zero?" * checks because if we've overflowed, it shouldn't matter what the * field is - we can't trust its value so shouldn't display it. */ @@ -814,26 +809,28 @@ static void test_btf_datasec(struct btf *btf, struct btf_dump *d, char *str, static void test_btf_dump_datasec_data(char *str) { - struct btf *btf = btf__parse("xdping_kern.o", NULL); - struct btf_dump_opts opts = { .ctx = str }; + struct btf *btf; char license[4] = "GPL"; struct btf_dump *d; + btf = btf__parse("xdping_kern.o", NULL); if (!ASSERT_OK_PTR(btf, "xdping_kern.o BTF not found")) return; - d = btf_dump__new(btf, NULL, &opts, btf_dump_snprintf); + d = btf_dump__new(btf, btf_dump_snprintf, str, NULL); if (!ASSERT_OK_PTR(d, "could not create BTF dump")) - return; + goto out; test_btf_datasec(btf, d, str, "license", "SEC(\"license\") char[4] _license = (char[4])['G','P','L',];", license, sizeof(license)); +out: + btf_dump__free(d); + btf__free(btf); } void test_btf_dump() { char str[STRSIZE]; - struct btf_dump_opts opts = { .ctx = str }; struct btf_dump *d; struct btf *btf; int i; @@ -853,7 +850,7 @@ void test_btf_dump() { if (!ASSERT_OK_PTR(btf, "no kernel BTF found")) return; - d = btf_dump__new(btf, NULL, &opts, btf_dump_snprintf); + d = btf_dump__new(btf, btf_dump_snprintf, str, NULL); if (!ASSERT_OK_PTR(d, "could not create BTF dump")) return; diff --git a/tools/testing/selftests/bpf/prog_tests/btf_split.c b/tools/testing/selftests/bpf/prog_tests/btf_split.c index b1ffe61f2aa9..eef1158676ed 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_split.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_split.c @@ -13,7 +13,6 @@ static void btf_dump_printf(void *ctx, const char *fmt, va_list args) } void test_btf_split() { - struct btf_dump_opts opts; struct btf_dump *d = NULL; const struct btf_type *t; struct btf *btf1, *btf2; @@ -68,8 +67,7 @@ void test_btf_split() { dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz); if (!ASSERT_OK_PTR(dump_buf_file, "dump_memstream")) return; - opts.ctx = dump_buf_file; - d = btf_dump__new(btf2, NULL, &opts, btf_dump_printf); + d = btf_dump__new(btf2, btf_dump_printf, dump_buf_file, NULL); if (!ASSERT_OK_PTR(d, "btf_dump__new")) goto cleanup; for (i = 1; i < btf__type_cnt(btf2); i++) { diff --git a/tools/testing/selftests/bpf/prog_tests/btf_tag.c b/tools/testing/selftests/bpf/prog_tests/btf_tag.c index 91821f42714d..88d63e23e35f 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_tag.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_tag.c @@ -1,20 +1,50 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ #include <test_progs.h> -#include "tag.skel.h" +#include "btf_decl_tag.skel.h" -void test_btf_tag(void) +/* struct btf_type_tag_test is referenced in btf_type_tag.skel.h */ +struct btf_type_tag_test { + int **p; +}; +#include "btf_type_tag.skel.h" + +static void test_btf_decl_tag(void) +{ + struct btf_decl_tag *skel; + + skel = btf_decl_tag__open_and_load(); + if (!ASSERT_OK_PTR(skel, "btf_decl_tag")) + return; + + if (skel->rodata->skip_tests) { + printf("%s:SKIP: btf_decl_tag attribute not supported", __func__); + test__skip(); + } + + btf_decl_tag__destroy(skel); +} + +static void test_btf_type_tag(void) { - struct tag *skel; + struct btf_type_tag *skel; - skel = tag__open_and_load(); - if (!ASSERT_OK_PTR(skel, "btf_tag")) + skel = btf_type_tag__open_and_load(); + if (!ASSERT_OK_PTR(skel, "btf_type_tag")) return; if (skel->rodata->skip_tests) { - printf("%s:SKIP: btf_tag attribute not supported", __func__); + printf("%s:SKIP: btf_type_tag attribute not supported", __func__); test__skip(); } - tag__destroy(skel); + btf_type_tag__destroy(skel); +} + +void test_btf_tag(void) +{ + if (test__start_subtest("btf_decl_tag")) + test_btf_decl_tag(); + if (test__start_subtest("btf_type_tag")) + test_btf_type_tag(); } diff --git a/tools/testing/selftests/bpf/prog_tests/btf_write.c b/tools/testing/selftests/bpf/prog_tests/btf_write.c index b912eeb0b6b4..addf99c05896 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_write.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_write.c @@ -297,6 +297,16 @@ static void gen_btf(struct btf *btf) ASSERT_EQ(btf_decl_tag(t)->component_idx, 1, "tag_component_idx"); ASSERT_STREQ(btf_type_raw_dump(btf, 19), "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "raw_dump"); + + /* TYPE_TAG */ + id = btf__add_type_tag(btf, "tag1", 1); + ASSERT_EQ(id, 20, "tag_id"); + t = btf__type_by_id(btf, 20); + ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value"); + ASSERT_EQ(btf_kind(t), BTF_KIND_TYPE_TAG, "tag_kind"); + ASSERT_EQ(t->type, 1, "tag_type"); + ASSERT_STREQ(btf_type_raw_dump(btf, 20), + "[20] TYPE_TAG 'tag1' type_id=1", "raw_dump"); } static void test_btf_add() @@ -337,7 +347,8 @@ static void test_btf_add() "[17] DATASEC 'datasec1' size=12 vlen=1\n" "\ttype_id=1 offset=4 size=8", "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", - "[19] DECL_TAG 'tag2' type_id=14 component_idx=1"); + "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", + "[20] TYPE_TAG 'tag1' type_id=1"); btf__free(btf); } @@ -359,7 +370,7 @@ static void test_btf_add_btf() gen_btf(btf2); id = btf__add_btf(btf1, btf2); - if (!ASSERT_EQ(id, 20, "id")) + if (!ASSERT_EQ(id, 21, "id")) goto cleanup; VALIDATE_RAW_BTF( @@ -391,35 +402,37 @@ static void test_btf_add_btf() "\ttype_id=1 offset=4 size=8", "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", + "[20] TYPE_TAG 'tag1' type_id=1", /* types appended from the second BTF */ - "[20] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", - "[21] PTR '(anon)' type_id=20", - "[22] CONST '(anon)' type_id=24", - "[23] VOLATILE '(anon)' type_id=22", - "[24] RESTRICT '(anon)' type_id=23", - "[25] ARRAY '(anon)' type_id=21 index_type_id=20 nr_elems=10", - "[26] STRUCT 's1' size=8 vlen=2\n" - "\t'f1' type_id=20 bits_offset=0\n" - "\t'f2' type_id=20 bits_offset=32 bitfield_size=16", - "[27] UNION 'u1' size=8 vlen=1\n" - "\t'f1' type_id=20 bits_offset=0 bitfield_size=16", - "[28] ENUM 'e1' size=4 vlen=2\n" + "[21] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", + "[22] PTR '(anon)' type_id=21", + "[23] CONST '(anon)' type_id=25", + "[24] VOLATILE '(anon)' type_id=23", + "[25] RESTRICT '(anon)' type_id=24", + "[26] ARRAY '(anon)' type_id=22 index_type_id=21 nr_elems=10", + "[27] STRUCT 's1' size=8 vlen=2\n" + "\t'f1' type_id=21 bits_offset=0\n" + "\t'f2' type_id=21 bits_offset=32 bitfield_size=16", + "[28] UNION 'u1' size=8 vlen=1\n" + "\t'f1' type_id=21 bits_offset=0 bitfield_size=16", + "[29] ENUM 'e1' size=4 vlen=2\n" "\t'v1' val=1\n" "\t'v2' val=2", - "[29] FWD 'struct_fwd' fwd_kind=struct", - "[30] FWD 'union_fwd' fwd_kind=union", - "[31] ENUM 'enum_fwd' size=4 vlen=0", - "[32] TYPEDEF 'typedef1' type_id=20", - "[33] FUNC 'func1' type_id=34 linkage=global", - "[34] FUNC_PROTO '(anon)' ret_type_id=20 vlen=2\n" - "\t'p1' type_id=20\n" - "\t'p2' type_id=21", - "[35] VAR 'var1' type_id=20, linkage=global-alloc", - "[36] DATASEC 'datasec1' size=12 vlen=1\n" - "\ttype_id=20 offset=4 size=8", - "[37] DECL_TAG 'tag1' type_id=35 component_idx=-1", - "[38] DECL_TAG 'tag2' type_id=33 component_idx=1"); + "[30] FWD 'struct_fwd' fwd_kind=struct", + "[31] FWD 'union_fwd' fwd_kind=union", + "[32] ENUM 'enum_fwd' size=4 vlen=0", + "[33] TYPEDEF 'typedef1' type_id=21", + "[34] FUNC 'func1' type_id=35 linkage=global", + "[35] FUNC_PROTO '(anon)' ret_type_id=21 vlen=2\n" + "\t'p1' type_id=21\n" + "\t'p2' type_id=22", + "[36] VAR 'var1' type_id=21, linkage=global-alloc", + "[37] DATASEC 'datasec1' size=12 vlen=1\n" + "\ttype_id=21 offset=4 size=8", + "[38] DECL_TAG 'tag1' type_id=36 component_idx=-1", + "[39] DECL_TAG 'tag2' type_id=34 component_idx=1", + "[40] TYPE_TAG 'tag1' type_id=21"); cleanup: btf__free(btf1); diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c index 5de485c7370f..858916d11e2e 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c @@ -16,7 +16,7 @@ static int prog_load(void) }; size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn); - return bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB, + return bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB, prog, insns_cnt, "GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE); } diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c index 731bea84d8ed..d3e8f729c623 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c @@ -15,22 +15,22 @@ static int prog_load_cnt(int verdict, int val) int cgroup_storage_fd, percpu_cgroup_storage_fd; if (map_fd < 0) - map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0); + map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL); if (map_fd < 0) { printf("failed to create map '%s'\n", strerror(errno)); return -1; } - cgroup_storage_fd = bpf_create_map(BPF_MAP_TYPE_CGROUP_STORAGE, - sizeof(struct bpf_cgroup_storage_key), 8, 0, 0); + cgroup_storage_fd = bpf_map_create(BPF_MAP_TYPE_CGROUP_STORAGE, NULL, + sizeof(struct bpf_cgroup_storage_key), 8, 0, NULL); if (cgroup_storage_fd < 0) { printf("failed to create map '%s'\n", strerror(errno)); return -1; } - percpu_cgroup_storage_fd = bpf_create_map( - BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, - sizeof(struct bpf_cgroup_storage_key), 8, 0, 0); + percpu_cgroup_storage_fd = bpf_map_create( + BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, NULL, + sizeof(struct bpf_cgroup_storage_key), 8, 0, NULL); if (percpu_cgroup_storage_fd < 0) { printf("failed to create map '%s'\n", strerror(errno)); return -1; @@ -66,7 +66,7 @@ static int prog_load_cnt(int verdict, int val) size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn); int ret; - ret = bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB, + ret = bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB, prog, insns_cnt, "GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE); diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c index 10d3c33821a7..356547e849e2 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c @@ -18,7 +18,7 @@ static int prog_load(int verdict) }; size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn); - return bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB, + return bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB, prog, insns_cnt, "GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE); } diff --git a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c index 9229db2f5ca5..9c4325f4aef2 100644 --- a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c +++ b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c @@ -51,24 +51,25 @@ static int run_test(int cgroup_fd, int server_fd, int family, int type) bool v4 = family == AF_INET; __u16 expected_local_port = v4 ? 22222 : 22223; __u16 expected_peer_port = 60000; - struct bpf_prog_load_attr attr = { - .file = v4 ? "./connect_force_port4.o" : - "./connect_force_port6.o", - }; struct bpf_program *prog; struct bpf_object *obj; - int xlate_fd, fd, err; + const char *obj_file = v4 ? "connect_force_port4.o" : "connect_force_port6.o"; + int fd, err; __u32 duration = 0; - err = bpf_prog_load_xattr(&attr, &obj, &xlate_fd); - if (err) { - log_err("Failed to load BPF object"); + obj = bpf_object__open_file(obj_file, NULL); + if (!ASSERT_OK_PTR(obj, "bpf_obj_open")) return -1; + + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "bpf_obj_load")) { + err = -EIO; + goto close_bpf_object; } - prog = bpf_object__find_program_by_title(obj, v4 ? - "cgroup/connect4" : - "cgroup/connect6"); + prog = bpf_object__find_program_by_name(obj, v4 ? + "connect4" : + "connect6"); if (CHECK(!prog, "find_prog", "connect prog not found\n")) { err = -EIO; goto close_bpf_object; @@ -82,9 +83,9 @@ static int run_test(int cgroup_fd, int server_fd, int family, int type) goto close_bpf_object; } - prog = bpf_object__find_program_by_title(obj, v4 ? - "cgroup/getpeername4" : - "cgroup/getpeername6"); + prog = bpf_object__find_program_by_name(obj, v4 ? + "getpeername4" : + "getpeername6"); if (CHECK(!prog, "find_prog", "getpeername prog not found\n")) { err = -EIO; goto close_bpf_object; @@ -98,9 +99,9 @@ static int run_test(int cgroup_fd, int server_fd, int family, int type) goto close_bpf_object; } - prog = bpf_object__find_program_by_title(obj, v4 ? - "cgroup/getsockname4" : - "cgroup/getsockname6"); + prog = bpf_object__find_program_by_name(obj, v4 ? + "getsockname4" : + "getsockname6"); if (CHECK(!prog, "find_prog", "getsockname prog not found\n")) { err = -EIO; goto close_bpf_object; diff --git a/tools/testing/selftests/bpf/prog_tests/core_kern.c b/tools/testing/selftests/bpf/prog_tests/core_kern.c new file mode 100644 index 000000000000..561c5185d886 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/core_kern.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include "test_progs.h" +#include "core_kern.lskel.h" + +void test_core_kern_lskel(void) +{ + struct core_kern_lskel *skel; + + skel = core_kern_lskel__open_and_load(); + ASSERT_OK_PTR(skel, "open_and_load"); + core_kern_lskel__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c index 55ec85ba7375..b8bdd1c3efca 100644 --- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c +++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c @@ -10,7 +10,7 @@ static int duration = 0; #define STRUCT_TO_CHAR_PTR(struct_name) (const char *)&(struct struct_name) -#define MODULES_CASE(name, sec_name, tp_name) { \ +#define MODULES_CASE(name, pg_name, tp_name) { \ .case_name = name, \ .bpf_obj_file = "test_core_reloc_module.o", \ .btf_src_file = NULL, /* find in kernel module BTFs */ \ @@ -28,7 +28,7 @@ static int duration = 0; .comm_len = sizeof("test_progs"), \ }, \ .output_len = sizeof(struct core_reloc_module_output), \ - .prog_sec_name = sec_name, \ + .prog_name = pg_name, \ .raw_tp_name = tp_name, \ .trigger = __trigger_module_test_read, \ .needs_testmod = true, \ @@ -43,7 +43,9 @@ static int duration = 0; #define FLAVORS_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_flavors.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" \ + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_flavors" \ #define FLAVORS_CASE(name) { \ FLAVORS_CASE_COMMON(name), \ @@ -66,7 +68,9 @@ static int duration = 0; #define NESTING_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_nesting.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_nesting" \ #define NESTING_CASE(name) { \ NESTING_CASE_COMMON(name), \ @@ -91,7 +95,9 @@ static int duration = 0; #define ARRAYS_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_arrays.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_arrays" \ #define ARRAYS_CASE(name) { \ ARRAYS_CASE_COMMON(name), \ @@ -123,7 +129,9 @@ static int duration = 0; #define PRIMITIVES_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_primitives.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_primitives" \ #define PRIMITIVES_CASE(name) { \ PRIMITIVES_CASE_COMMON(name), \ @@ -158,6 +166,8 @@ static int duration = 0; .e = 5, .f = 6, .g = 7, .h = 8, \ }, \ .output_len = sizeof(struct core_reloc_mods_output), \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_mods", \ } #define PTR_AS_ARR_CASE(name) { \ @@ -174,6 +184,8 @@ static int duration = 0; .a = 3, \ }, \ .output_len = sizeof(struct core_reloc_ptr_as_arr), \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_ptr_as_arr", \ } #define INTS_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) { \ @@ -190,7 +202,9 @@ static int duration = 0; #define INTS_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_ints.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_ints" #define INTS_CASE(name) { \ INTS_CASE_COMMON(name), \ @@ -208,7 +222,9 @@ static int duration = 0; #define FIELD_EXISTS_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_existence.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" \ + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_existence" #define BITFIELDS_CASE_COMMON(objfile, test_name_prefix, name) \ .case_name = test_name_prefix#name, \ @@ -223,6 +239,8 @@ static int duration = 0; .output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output) \ __VA_ARGS__, \ .output_len = sizeof(struct core_reloc_bitfields_output), \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_bitfields", \ }, { \ BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_direct.o", \ "direct:", name), \ @@ -231,7 +249,7 @@ static int duration = 0; .output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output) \ __VA_ARGS__, \ .output_len = sizeof(struct core_reloc_bitfields_output), \ - .prog_sec_name = "tp_btf/sys_enter", \ + .prog_name = "test_core_bitfields_direct", \ } @@ -239,17 +257,21 @@ static int duration = 0; BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_probed.o", \ "probed:", name), \ .fails = true, \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_bitfields", \ }, { \ BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_direct.o", \ "direct:", name), \ - .prog_sec_name = "tp_btf/sys_enter", \ .fails = true, \ + .prog_name = "test_core_bitfields_direct", \ } #define SIZE_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_size.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_size" #define SIZE_OUTPUT_DATA(type) \ STRUCT_TO_CHAR_PTR(core_reloc_size_output) { \ @@ -277,8 +299,10 @@ static int duration = 0; #define TYPE_BASED_CASE_COMMON(name) \ .case_name = #name, \ - .bpf_obj_file = "test_core_reloc_type_based.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" \ + .bpf_obj_file = "test_core_reloc_type_based.o", \ + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_type_based" #define TYPE_BASED_CASE(name, ...) { \ TYPE_BASED_CASE_COMMON(name), \ @@ -295,7 +319,9 @@ static int duration = 0; #define TYPE_ID_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_type_id.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" \ + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_type_id" #define TYPE_ID_CASE(name, setup_fn) { \ TYPE_ID_CASE_COMMON(name), \ @@ -312,7 +338,9 @@ static int duration = 0; #define ENUMVAL_CASE_COMMON(name) \ .case_name = #name, \ .bpf_obj_file = "test_core_reloc_enumval.o", \ - .btf_src_file = "btf__core_reloc_" #name ".o" \ + .btf_src_file = "btf__core_reloc_" #name ".o", \ + .raw_tp_name = "sys_enter", \ + .prog_name = "test_core_enumval" #define ENUMVAL_CASE(name, ...) { \ ENUMVAL_CASE_COMMON(name), \ @@ -342,7 +370,7 @@ struct core_reloc_test_case { bool fails; bool needs_testmod; bool relaxed_core_relocs; - const char *prog_sec_name; + const char *prog_name; const char *raw_tp_name; setup_test_fn setup; trigger_test_fn trigger; @@ -433,7 +461,7 @@ static int setup_type_id_case_local(struct core_reloc_test_case *test) static int setup_type_id_case_success(struct core_reloc_test_case *test) { struct core_reloc_type_id_output *exp = (void *)test->output; - struct btf *targ_btf = btf__parse(test->btf_src_file, NULL); + struct btf *targ_btf; int err; err = setup_type_id_case_local(test); @@ -497,11 +525,13 @@ static struct core_reloc_test_case test_cases[] = { .comm_len = sizeof("test_progs"), }, .output_len = sizeof(struct core_reloc_kernel_output), + .raw_tp_name = "sys_enter", + .prog_name = "test_core_kernel", }, /* validate we can find kernel module BTF types for relocs/attach */ - MODULES_CASE("module_probed", "raw_tp/bpf_testmod_test_read", "bpf_testmod_test_read"), - MODULES_CASE("module_direct", "tp_btf/bpf_testmod_test_read", NULL), + MODULES_CASE("module_probed", "test_core_module_probed", "bpf_testmod_test_read"), + MODULES_CASE("module_direct", "test_core_module_direct", NULL), /* validate BPF program can use multiple flavors to match against * single target BTF type @@ -580,6 +610,8 @@ static struct core_reloc_test_case test_cases[] = { .c = 0, /* BUG in clang, should be 3 */ }, .output_len = sizeof(struct core_reloc_misc_output), + .raw_tp_name = "sys_enter", + .prog_name = "test_core_misc", }, /* validate field existence checks */ @@ -848,14 +880,9 @@ void test_core_reloc(void) if (!ASSERT_OK_PTR(obj, "obj_open")) goto cleanup; - probe_name = "raw_tracepoint/sys_enter"; - tp_name = "sys_enter"; - if (test_case->prog_sec_name) { - probe_name = test_case->prog_sec_name; - tp_name = test_case->raw_tp_name; /* NULL for tp_btf */ - } - - prog = bpf_object__find_program_by_title(obj, probe_name); + probe_name = test_case->prog_name; + tp_name = test_case->raw_tp_name; /* NULL for tp_btf */ + prog = bpf_object__find_program_by_name(obj, probe_name); if (CHECK(!prog, "find_probe", "prog '%s' not found\n", probe_name)) goto cleanup; @@ -881,7 +908,8 @@ void test_core_reloc(void) data = mmap_data; memset(mmap_data, 0, sizeof(*data)); - memcpy(data->in, test_case->input, test_case->input_len); + if (test_case->input_len) + memcpy(data->in, test_case->input, test_case->input_len); data->my_pid_tgid = my_pid_tgid; link = bpf_program__attach_raw_tracepoint(prog, tp_name); diff --git a/tools/testing/selftests/bpf/prog_tests/d_path.c b/tools/testing/selftests/bpf/prog_tests/d_path.c index 0a577a248d34..32fc5b3b5cf6 100644 --- a/tools/testing/selftests/bpf/prog_tests/d_path.c +++ b/tools/testing/selftests/bpf/prog_tests/d_path.c @@ -9,6 +9,7 @@ #define MAX_FILES 7 #include "test_d_path.skel.h" +#include "test_d_path_check_rdonly_mem.skel.h" static int duration; @@ -99,7 +100,7 @@ out_close: return ret; } -void test_d_path(void) +static void test_d_path_basic(void) { struct test_d_path__bss *bss; struct test_d_path *skel; @@ -155,3 +156,22 @@ void test_d_path(void) cleanup: test_d_path__destroy(skel); } + +static void test_d_path_check_rdonly_mem(void) +{ + struct test_d_path_check_rdonly_mem *skel; + + skel = test_d_path_check_rdonly_mem__open_and_load(); + ASSERT_ERR_PTR(skel, "unexpected_load_overwriting_rdonly_mem"); + + test_d_path_check_rdonly_mem__destroy(skel); +} + +void test_d_path(void) +{ + if (test__start_subtest("basic")) + test_d_path_basic(); + + if (test__start_subtest("check_rdonly_mem")) + test_d_path_check_rdonly_mem(); +} diff --git a/tools/testing/selftests/bpf/prog_tests/exhandler.c b/tools/testing/selftests/bpf/prog_tests/exhandler.c new file mode 100644 index 000000000000..118bb182ee20 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/exhandler.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021, Oracle and/or its affiliates. */ + +#include <test_progs.h> + +/* Test that verifies exception handling is working. fork() + * triggers task_newtask tracepoint; that new task will have a + * NULL pointer task_works, and the associated task->task_works->func + * should not be NULL if task_works itself is non-NULL. + * + * So to verify exception handling we want to see a NULL task_works + * and task_works->func; if we see this we can conclude that the + * exception handler ran when we attempted to dereference task->task_works + * and zeroed the destination register. + */ +#include "exhandler_kern.skel.h" + +void test_exhandler(void) +{ + int err = 0, duration = 0, status; + struct exhandler_kern *skel; + pid_t cpid; + + skel = exhandler_kern__open_and_load(); + if (CHECK(!skel, "skel_load", "skeleton failed: %d\n", err)) + goto cleanup; + + skel->bss->test_pid = getpid(); + + err = exhandler_kern__attach(skel); + if (!ASSERT_OK(err, "attach")) + goto cleanup; + cpid = fork(); + if (!ASSERT_GT(cpid, -1, "fork failed")) + goto cleanup; + if (cpid == 0) + _exit(0); + waitpid(cpid, &status, 0); + + ASSERT_NEQ(skel->bss->exception_triggered, 0, "verify exceptions occurred"); +cleanup: + exhandler_kern__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c index 9cff14a23bb7..c52f99f6a909 100644 --- a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c +++ b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c @@ -65,7 +65,7 @@ static void test_fexit_bpf2bpf_common(const char *obj_file, int err, tgt_fd, i; struct btf *btf; - err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, + err = bpf_prog_test_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, &tgt_obj, &tgt_fd); if (!ASSERT_OK(err, "tgt_prog_load")) return; @@ -101,6 +101,8 @@ static void test_fexit_bpf2bpf_common(const char *obj_file, for (i = 0; i < prog_cnt; i++) { struct bpf_link_info link_info; + struct bpf_program *pos; + const char *pos_sec_name; char *tgt_name; __s32 btf_id; @@ -109,7 +111,14 @@ static void test_fexit_bpf2bpf_common(const char *obj_file, goto close_prog; btf_id = btf__find_by_name_kind(btf, tgt_name + 1, BTF_KIND_FUNC); - prog[i] = bpf_object__find_program_by_title(obj, prog_name[i]); + prog[i] = NULL; + bpf_object__for_each_program(pos, obj) { + pos_sec_name = bpf_program__section_name(pos); + if (pos_sec_name && !strcmp(pos_sec_name, prog_name[i])) { + prog[i] = pos; + break; + } + } if (!ASSERT_OK_PTR(prog[i], prog_name[i])) goto close_prog; @@ -211,8 +220,8 @@ static void test_func_replace_verify(void) static int test_second_attach(struct bpf_object *obj) { - const char *prog_name = "freplace/get_constant"; - const char *tgt_name = prog_name + 9; /* cut off freplace/ */ + const char *prog_name = "security_new_get_constant"; + const char *tgt_name = "get_constant"; const char *tgt_obj_file = "./test_pkt_access.o"; struct bpf_program *prog = NULL; struct bpf_object *tgt_obj; @@ -220,11 +229,11 @@ static int test_second_attach(struct bpf_object *obj) struct bpf_link *link; int err = 0, tgt_fd; - prog = bpf_object__find_program_by_title(obj, prog_name); + prog = bpf_object__find_program_by_name(obj, prog_name); if (CHECK(!prog, "find_prog", "prog %s not found\n", prog_name)) return -ENOENT; - err = bpf_prog_load(tgt_obj_file, BPF_PROG_TYPE_UNSPEC, + err = bpf_prog_test_load(tgt_obj_file, BPF_PROG_TYPE_UNSPEC, &tgt_obj, &tgt_fd); if (CHECK(err, "second_prog_load", "file %s err %d errno %d\n", tgt_obj_file, err, errno)) @@ -274,7 +283,7 @@ static void test_fmod_ret_freplace(void) __u32 duration = 0; int err, pkt_fd, attach_prog_fd; - err = bpf_prog_load(tgt_name, BPF_PROG_TYPE_UNSPEC, + err = bpf_prog_test_load(tgt_name, BPF_PROG_TYPE_UNSPEC, &pkt_obj, &pkt_fd); /* the target prog should load fine */ if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n", @@ -341,7 +350,7 @@ static void test_obj_load_failure_common(const char *obj_file, int err, pkt_fd; __u32 duration = 0; - err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, + err = bpf_prog_test_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, &pkt_obj, &pkt_fd); /* the target prog should load fine */ if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n", diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_stress.c b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c index 7c9b62e971f1..e4cede6b4b2d 100644 --- a/tools/testing/selftests/bpf/prog_tests/fexit_stress.c +++ b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c @@ -20,34 +20,33 @@ void test_fexit_stress(void) BPF_EXIT_INSN(), }; - struct bpf_load_program_attr load_attr = { - .prog_type = BPF_PROG_TYPE_TRACING, - .license = "GPL", - .insns = trace_program, - .insns_cnt = sizeof(trace_program) / sizeof(struct bpf_insn), + LIBBPF_OPTS(bpf_prog_load_opts, trace_opts, .expected_attach_type = BPF_TRACE_FEXIT, - }; + .log_buf = error, + .log_size = sizeof(error), + ); const struct bpf_insn skb_program[] = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }; - struct bpf_load_program_attr skb_load_attr = { - .prog_type = BPF_PROG_TYPE_SOCKET_FILTER, - .license = "GPL", - .insns = skb_program, - .insns_cnt = sizeof(skb_program) / sizeof(struct bpf_insn), - }; + LIBBPF_OPTS(bpf_prog_load_opts, skb_opts, + .log_buf = error, + .log_size = sizeof(error), + ); err = libbpf_find_vmlinux_btf_id("bpf_fentry_test1", - load_attr.expected_attach_type); + trace_opts.expected_attach_type); if (CHECK(err <= 0, "find_vmlinux_btf_id", "failed: %d\n", err)) goto out; - load_attr.attach_btf_id = err; + trace_opts.attach_btf_id = err; for (i = 0; i < CNT; i++) { - fexit_fd[i] = bpf_load_program_xattr(&load_attr, error, sizeof(error)); + fexit_fd[i] = bpf_prog_load(BPF_PROG_TYPE_TRACING, NULL, "GPL", + trace_program, + sizeof(trace_program) / sizeof(struct bpf_insn), + &trace_opts); if (CHECK(fexit_fd[i] < 0, "fexit loaded", "failed: %d errno %d\n", fexit_fd[i], errno)) goto out; @@ -57,7 +56,9 @@ void test_fexit_stress(void) goto out; } - filter_fd = bpf_load_program_xattr(&skb_load_attr, error, sizeof(error)); + filter_fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, NULL, "GPL", + skb_program, sizeof(skb_program) / sizeof(struct bpf_insn), + &skb_opts); if (CHECK(filter_fd < 0, "test_program_loaded", "failed: %d errno %d\n", filter_fd, errno)) goto out; diff --git a/tools/testing/selftests/bpf/prog_tests/find_vma.c b/tools/testing/selftests/bpf/prog_tests/find_vma.c new file mode 100644 index 000000000000..b74b3c0c555a --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/find_vma.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include <test_progs.h> +#include <sys/types.h> +#include <unistd.h> +#include "find_vma.skel.h" +#include "find_vma_fail1.skel.h" +#include "find_vma_fail2.skel.h" + +static void test_and_reset_skel(struct find_vma *skel, int expected_find_zero_ret) +{ + ASSERT_EQ(skel->bss->found_vm_exec, 1, "found_vm_exec"); + ASSERT_EQ(skel->data->find_addr_ret, 0, "find_addr_ret"); + ASSERT_EQ(skel->data->find_zero_ret, expected_find_zero_ret, "find_zero_ret"); + ASSERT_OK_PTR(strstr(skel->bss->d_iname, "test_progs"), "find_test_progs"); + + skel->bss->found_vm_exec = 0; + skel->data->find_addr_ret = -1; + skel->data->find_zero_ret = -1; + skel->bss->d_iname[0] = 0; +} + +static int open_pe(void) +{ + struct perf_event_attr attr = {0}; + int pfd; + + /* create perf event */ + attr.size = sizeof(attr); + attr.type = PERF_TYPE_HARDWARE; + attr.config = PERF_COUNT_HW_CPU_CYCLES; + attr.freq = 1; + attr.sample_freq = 4000; + pfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, PERF_FLAG_FD_CLOEXEC); + + return pfd >= 0 ? pfd : -errno; +} + +static void test_find_vma_pe(struct find_vma *skel) +{ + struct bpf_link *link = NULL; + volatile int j = 0; + int pfd, i; + + pfd = open_pe(); + if (pfd < 0) { + if (pfd == -ENOENT || pfd == -EOPNOTSUPP) { + printf("%s:SKIP:no PERF_COUNT_HW_CPU_CYCLES\n", __func__); + test__skip(); + goto cleanup; + } + if (!ASSERT_GE(pfd, 0, "perf_event_open")) + goto cleanup; + } + + link = bpf_program__attach_perf_event(skel->progs.handle_pe, pfd); + if (!ASSERT_OK_PTR(link, "attach_perf_event")) + goto cleanup; + + for (i = 0; i < 1000000; ++i) + ++j; + + test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */); +cleanup: + bpf_link__destroy(link); + close(pfd); +} + +static void test_find_vma_kprobe(struct find_vma *skel) +{ + int err; + + err = find_vma__attach(skel); + if (!ASSERT_OK(err, "get_branch_snapshot__attach")) + return; + + getpgid(skel->bss->target_pid); + test_and_reset_skel(skel, -ENOENT /* could not find vma for ptr 0 */); +} + +static void test_illegal_write_vma(void) +{ + struct find_vma_fail1 *skel; + + skel = find_vma_fail1__open_and_load(); + if (!ASSERT_ERR_PTR(skel, "find_vma_fail1__open_and_load")) + find_vma_fail1__destroy(skel); +} + +static void test_illegal_write_task(void) +{ + struct find_vma_fail2 *skel; + + skel = find_vma_fail2__open_and_load(); + if (!ASSERT_ERR_PTR(skel, "find_vma_fail2__open_and_load")) + find_vma_fail2__destroy(skel); +} + +void serial_test_find_vma(void) +{ + struct find_vma *skel; + + skel = find_vma__open_and_load(); + if (!ASSERT_OK_PTR(skel, "find_vma__open_and_load")) + return; + + skel->bss->target_pid = getpid(); + skel->bss->addr = (__u64)(uintptr_t)test_find_vma_pe; + + test_find_vma_pe(skel); + usleep(100000); /* allow the irq_work to finish */ + test_find_vma_kprobe(skel); + + find_vma__destroy(skel); + test_illegal_write_vma(); + test_illegal_write_task(); +} diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c index 6093728497c7..93ac3f28226c 100644 --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c @@ -30,7 +30,7 @@ void serial_test_flow_dissector_load_bytes(void) /* make sure bpf_skb_load_bytes is not allowed from skb-less context */ - fd = bpf_load_program(BPF_PROG_TYPE_FLOW_DISSECTOR, prog, + fd = bpf_test_load_program(BPF_PROG_TYPE_FLOW_DISSECTOR, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0); CHECK(fd < 0, "flow_dissector-bpf_skb_load_bytes-load", diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c index f0c6c226aba8..7c79462d2702 100644 --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c @@ -47,9 +47,9 @@ static int load_prog(enum bpf_prog_type type) }; int fd; - fd = bpf_load_program(type, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0); + fd = bpf_test_load_program(type, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0); if (CHECK_FAIL(fd < 0)) - perror("bpf_load_program"); + perror("bpf_test_load_program"); return fd; } diff --git a/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c new file mode 100644 index 000000000000..85c427119fe9 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include "get_func_args_test.skel.h" + +void test_get_func_args_test(void) +{ + struct get_func_args_test *skel = NULL; + __u32 duration = 0, retval; + int err, prog_fd; + + skel = get_func_args_test__open_and_load(); + if (!ASSERT_OK_PTR(skel, "get_func_args_test__open_and_load")) + return; + + err = get_func_args_test__attach(skel); + if (!ASSERT_OK(err, "get_func_args_test__attach")) + goto cleanup; + + /* This runs bpf_fentry_test* functions and triggers + * fentry/fexit programs. + */ + prog_fd = bpf_program__fd(skel->progs.test1); + err = bpf_prog_test_run(prog_fd, 1, NULL, 0, + NULL, NULL, &retval, &duration); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(retval, 0, "test_run"); + + /* This runs bpf_modify_return_test function and triggers + * fmod_ret_test and fexit_test programs. + */ + prog_fd = bpf_program__fd(skel->progs.fmod_ret_test); + err = bpf_prog_test_run(prog_fd, 1, NULL, 0, + NULL, NULL, &retval, &duration); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(retval, 1234, "test_run"); + + ASSERT_EQ(skel->bss->test1_result, 1, "test1_result"); + ASSERT_EQ(skel->bss->test2_result, 1, "test2_result"); + ASSERT_EQ(skel->bss->test3_result, 1, "test3_result"); + ASSERT_EQ(skel->bss->test4_result, 1, "test4_result"); + +cleanup: + get_func_args_test__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c index 522237aa4470..e834a01de16a 100644 --- a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c +++ b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c @@ -24,13 +24,19 @@ static void get_stack_print_output(void *ctx, int cpu, void *data, __u32 size) { bool good_kern_stack = false, good_user_stack = false; const char *nonjit_func = "___bpf_prog_run"; - struct get_stack_trace_t *e = data; + /* perfbuf-submitted data is 4-byte aligned, but we need 8-byte + * alignment, so copy data into a local variable, for simplicity + */ + struct get_stack_trace_t e; int i, num_stack; static __u64 cnt; struct ksym *ks; cnt++; + memset(&e, 0, sizeof(e)); + memcpy(&e, data, size <= sizeof(e) ? size : sizeof(e)); + if (size < sizeof(struct get_stack_trace_t)) { __u64 *raw_data = data; bool found = false; @@ -57,19 +63,19 @@ static void get_stack_print_output(void *ctx, int cpu, void *data, __u32 size) good_user_stack = true; } } else { - num_stack = e->kern_stack_size / sizeof(__u64); + num_stack = e.kern_stack_size / sizeof(__u64); if (env.jit_enabled) { good_kern_stack = num_stack > 0; } else { for (i = 0; i < num_stack; i++) { - ks = ksym_search(e->kern_stack[i]); + ks = ksym_search(e.kern_stack[i]); if (ks && (strcmp(ks->name, nonjit_func) == 0)) { good_kern_stack = true; break; } } } - if (e->user_stack_size > 0 && e->user_stack_buildid_size > 0) + if (e.user_stack_size > 0 && e.user_stack_buildid_size > 0) good_user_stack = true; } @@ -83,9 +89,8 @@ void test_get_stack_raw_tp(void) { const char *file = "./test_get_stack_rawtp.o"; const char *file_err = "./test_get_stack_rawtp_err.o"; - const char *prog_name = "raw_tracepoint/sys_enter"; + const char *prog_name = "bpf_prog1"; int i, err, prog_fd, exp_cnt = MAX_CNT_RAWTP; - struct perf_buffer_opts pb_opts = {}; struct perf_buffer *pb = NULL; struct bpf_link *link = NULL; struct timespec tv = {0, 10}; @@ -94,15 +99,15 @@ void test_get_stack_raw_tp(void) struct bpf_map *map; cpu_set_t cpu_set; - err = bpf_prog_load(file_err, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file_err, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); if (CHECK(err >= 0, "prog_load raw tp", "err %d errno %d\n", err, errno)) return; - err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno)) return; - prog = bpf_object__find_program_by_title(obj, prog_name); + prog = bpf_object__find_program_by_name(obj, prog_name); if (CHECK(!prog, "find_probe", "prog '%s' not found\n", prog_name)) goto close_prog; @@ -124,8 +129,8 @@ void test_get_stack_raw_tp(void) if (!ASSERT_OK_PTR(link, "attach_raw_tp")) goto close_prog; - pb_opts.sample_cb = get_stack_print_output; - pb = perf_buffer__new(bpf_map__fd(map), 8, &pb_opts); + pb = perf_buffer__new(bpf_map__fd(map), 8, get_stack_print_output, + NULL, NULL, NULL); if (!ASSERT_OK_PTR(pb, "perf_buf__new")) goto close_prog; diff --git a/tools/testing/selftests/bpf/prog_tests/global_data.c b/tools/testing/selftests/bpf/prog_tests/global_data.c index afd8639f9a94..9da131b32e13 100644 --- a/tools/testing/selftests/bpf/prog_tests/global_data.c +++ b/tools/testing/selftests/bpf/prog_tests/global_data.c @@ -136,7 +136,7 @@ void test_global_data(void) struct bpf_object *obj; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK(err, "load program", "error %d loading %s\n", err, file)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/global_func_args.c b/tools/testing/selftests/bpf/prog_tests/global_func_args.c index 8bcc2869102f..93a2439237b0 100644 --- a/tools/testing/selftests/bpf/prog_tests/global_func_args.c +++ b/tools/testing/selftests/bpf/prog_tests/global_func_args.c @@ -44,7 +44,7 @@ void test_global_func_args(void) struct bpf_object *obj; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); if (CHECK(err, "load program", "error %d loading %s\n", err, file)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c index 01e51d16c8b8..ce10d2fc3a6c 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c +++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <test_progs.h> #include <network_helpers.h> +#include "kfree_skb.skel.h" struct meta { int ifindex; @@ -58,63 +59,43 @@ void serial_test_kfree_skb(void) .ctx_in = &skb, .ctx_size_in = sizeof(skb), }; - struct bpf_prog_load_attr attr = { - .file = "./kfree_skb.o", - }; - - struct bpf_link *link = NULL, *link_fentry = NULL, *link_fexit = NULL; - struct bpf_map *perf_buf_map, *global_data; - struct bpf_program *prog, *fentry, *fexit; - struct bpf_object *obj, *obj2 = NULL; - struct perf_buffer_opts pb_opts = {}; + struct kfree_skb *skel = NULL; + struct bpf_link *link; + struct bpf_object *obj; struct perf_buffer *pb = NULL; - int err, kfree_skb_fd; + int err; bool passed = false; __u32 duration = 0; const int zero = 0; bool test_ok[2]; - err = bpf_prog_load("./test_pkt_access.o", BPF_PROG_TYPE_SCHED_CLS, + err = bpf_prog_test_load("./test_pkt_access.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &tattr.prog_fd); if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno)) return; - err = bpf_prog_load_xattr(&attr, &obj2, &kfree_skb_fd); - if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno)) - goto close_prog; - - prog = bpf_object__find_program_by_title(obj2, "tp_btf/kfree_skb"); - if (CHECK(!prog, "find_prog", "prog kfree_skb not found\n")) - goto close_prog; - fentry = bpf_object__find_program_by_title(obj2, "fentry/eth_type_trans"); - if (CHECK(!fentry, "find_prog", "prog eth_type_trans not found\n")) - goto close_prog; - fexit = bpf_object__find_program_by_title(obj2, "fexit/eth_type_trans"); - if (CHECK(!fexit, "find_prog", "prog eth_type_trans not found\n")) - goto close_prog; - - global_data = bpf_object__find_map_by_name(obj2, ".bss"); - if (CHECK(!global_data, "find global data", "not found\n")) + skel = kfree_skb__open_and_load(); + if (!ASSERT_OK_PTR(skel, "kfree_skb_skel")) goto close_prog; - link = bpf_program__attach_raw_tracepoint(prog, NULL); + link = bpf_program__attach_raw_tracepoint(skel->progs.trace_kfree_skb, NULL); if (!ASSERT_OK_PTR(link, "attach_raw_tp")) goto close_prog; - link_fentry = bpf_program__attach_trace(fentry); - if (!ASSERT_OK_PTR(link_fentry, "attach fentry")) - goto close_prog; - link_fexit = bpf_program__attach_trace(fexit); - if (!ASSERT_OK_PTR(link_fexit, "attach fexit")) + skel->links.trace_kfree_skb = link; + + link = bpf_program__attach_trace(skel->progs.fentry_eth_type_trans); + if (!ASSERT_OK_PTR(link, "attach fentry")) goto close_prog; + skel->links.fentry_eth_type_trans = link; - perf_buf_map = bpf_object__find_map_by_name(obj2, "perf_buf_map"); - if (CHECK(!perf_buf_map, "find_perf_buf_map", "not found\n")) + link = bpf_program__attach_trace(skel->progs.fexit_eth_type_trans); + if (!ASSERT_OK_PTR(link, "attach fexit")) goto close_prog; + skel->links.fexit_eth_type_trans = link; /* set up perf buffer */ - pb_opts.sample_cb = on_sample; - pb_opts.ctx = &passed; - pb = perf_buffer__new(bpf_map__fd(perf_buf_map), 1, &pb_opts); + pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1, + on_sample, NULL, &passed, NULL); if (!ASSERT_OK_PTR(pb, "perf_buf__new")) goto close_prog; @@ -135,7 +116,7 @@ void serial_test_kfree_skb(void) */ ASSERT_TRUE(passed, "passed"); - err = bpf_map_lookup_elem(bpf_map__fd(global_data), &zero, test_ok); + err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.bss), &zero, test_ok); if (CHECK(err, "get_result", "failed to get output data: %d\n", err)) goto close_prog; @@ -143,9 +124,6 @@ void serial_test_kfree_skb(void) CHECK_FAIL(!test_ok[0] || !test_ok[1]); close_prog: perf_buffer__free(pb); - bpf_link__destroy(link); - bpf_link__destroy(link_fentry); - bpf_link__destroy(link_fexit); bpf_object__close(obj); - bpf_object__close(obj2); + kfree_skb__destroy(skel); } diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c index 5c9c0176991b..7d7445ccc141 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c +++ b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c @@ -4,6 +4,7 @@ #include <network_helpers.h> #include "kfunc_call_test.lskel.h" #include "kfunc_call_test_subprog.skel.h" +#include "kfunc_call_test_subprog.lskel.h" static void test_main(void) { @@ -49,6 +50,26 @@ static void test_subprog(void) kfunc_call_test_subprog__destroy(skel); } +static void test_subprog_lskel(void) +{ + struct kfunc_call_test_subprog_lskel *skel; + int prog_fd, retval, err; + + skel = kfunc_call_test_subprog_lskel__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel")) + return; + + prog_fd = skel->progs.kfunc_call_test1.prog_fd; + err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), + NULL, NULL, (__u32 *)&retval, NULL); + ASSERT_OK(err, "bpf_prog_test_run(test1)"); + ASSERT_EQ(retval, 10, "test1-retval"); + ASSERT_NEQ(skel->data->active_res, -1, "active_res"); + ASSERT_EQ(skel->data->sk_state_res, BPF_TCP_CLOSE, "sk_state_res"); + + kfunc_call_test_subprog_lskel__destroy(skel); +} + void test_kfunc_call(void) { if (test__start_subtest("main")) @@ -56,4 +77,7 @@ void test_kfunc_call(void) if (test__start_subtest("subprog")) test_subprog(); + + if (test__start_subtest("subprog_lskel")) + test_subprog_lskel(); } diff --git a/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c b/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c index 79f6bd1e50d6..f6933b06daf8 100644 --- a/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c +++ b/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c @@ -8,6 +8,7 @@ #include "test_ksyms_btf_null_check.skel.h" #include "test_ksyms_weak.skel.h" #include "test_ksyms_weak.lskel.h" +#include "test_ksyms_btf_write_check.skel.h" static int duration; @@ -137,6 +138,16 @@ cleanup: test_ksyms_weak_lskel__destroy(skel); } +static void test_write_check(void) +{ + struct test_ksyms_btf_write_check *skel; + + skel = test_ksyms_btf_write_check__open_and_load(); + ASSERT_ERR_PTR(skel, "unexpected load of a prog writing to ksym memory\n"); + + test_ksyms_btf_write_check__destroy(skel); +} + void test_ksyms_btf(void) { int percpu_datasec; @@ -167,4 +178,7 @@ void test_ksyms_btf(void) if (test__start_subtest("weak_ksyms_lskel")) test_weak_syms_lskel(); + + if (test__start_subtest("write_check")) + test_write_check(); } diff --git a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c index 8073105548ff..540ef28fabff 100644 --- a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c +++ b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c @@ -30,7 +30,7 @@ static void test_l4lb(const char *file) char buf[128]; u32 *magic = (u32 *)buf; - err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/legacy_printk.c b/tools/testing/selftests/bpf/prog_tests/legacy_printk.c new file mode 100644 index 000000000000..ec6e45f2a644 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/legacy_printk.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include <test_progs.h> +#include "test_legacy_printk.skel.h" + +static int execute_one_variant(bool legacy) +{ + struct test_legacy_printk *skel; + int err, zero = 0, my_pid = getpid(), res, map_fd; + + skel = test_legacy_printk__open(); + if (!ASSERT_OK_PTR(skel, "skel_open")) + return -errno; + + bpf_program__set_autoload(skel->progs.handle_legacy, legacy); + bpf_program__set_autoload(skel->progs.handle_modern, !legacy); + + err = test_legacy_printk__load(skel); + /* no ASSERT_OK, we expect one of two variants can fail here */ + if (err) + goto err_out; + + if (legacy) { + map_fd = bpf_map__fd(skel->maps.my_pid_map); + err = bpf_map_update_elem(map_fd, &zero, &my_pid, BPF_ANY); + if (!ASSERT_OK(err, "my_pid_map_update")) + goto err_out; + err = bpf_map_lookup_elem(map_fd, &zero, &res); + } else { + skel->bss->my_pid_var = my_pid; + } + + err = test_legacy_printk__attach(skel); + if (!ASSERT_OK(err, "skel_attach")) + goto err_out; + + usleep(1); /* trigger */ + + if (legacy) { + map_fd = bpf_map__fd(skel->maps.res_map); + err = bpf_map_lookup_elem(map_fd, &zero, &res); + if (!ASSERT_OK(err, "res_map_lookup")) + goto err_out; + } else { + res = skel->bss->res_var; + } + + if (!ASSERT_GT(res, 0, "res")) { + err = -EINVAL; + goto err_out; + } + +err_out: + test_legacy_printk__destroy(skel); + return err; +} + +void test_legacy_printk(void) +{ + /* legacy variant should work everywhere */ + ASSERT_OK(execute_one_variant(true /* legacy */), "legacy_case"); + + /* execute modern variant, can fail the load on old kernels */ + execute_one_variant(false); +} diff --git a/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c b/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c new file mode 100644 index 000000000000..9f766ddd946a --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c @@ -0,0 +1,124 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021 Facebook */ + +#include <test_progs.h> +#include <bpf/btf.h> + +void test_libbpf_probe_prog_types(void) +{ + struct btf *btf; + const struct btf_type *t; + const struct btf_enum *e; + int i, n, id; + + btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); + if (!ASSERT_OK_PTR(btf, "btf_parse")) + return; + + /* find enum bpf_prog_type and enumerate each value */ + id = btf__find_by_name_kind(btf, "bpf_prog_type", BTF_KIND_ENUM); + if (!ASSERT_GT(id, 0, "bpf_prog_type_id")) + goto cleanup; + t = btf__type_by_id(btf, id); + if (!ASSERT_OK_PTR(t, "bpf_prog_type_enum")) + goto cleanup; + + for (e = btf_enum(t), i = 0, n = btf_vlen(t); i < n; e++, i++) { + const char *prog_type_name = btf__str_by_offset(btf, e->name_off); + enum bpf_prog_type prog_type = (enum bpf_prog_type)e->val; + int res; + + if (prog_type == BPF_PROG_TYPE_UNSPEC) + continue; + + if (!test__start_subtest(prog_type_name)) + continue; + + res = libbpf_probe_bpf_prog_type(prog_type, NULL); + ASSERT_EQ(res, 1, prog_type_name); + } + +cleanup: + btf__free(btf); +} + +void test_libbpf_probe_map_types(void) +{ + struct btf *btf; + const struct btf_type *t; + const struct btf_enum *e; + int i, n, id; + + btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); + if (!ASSERT_OK_PTR(btf, "btf_parse")) + return; + + /* find enum bpf_map_type and enumerate each value */ + id = btf__find_by_name_kind(btf, "bpf_map_type", BTF_KIND_ENUM); + if (!ASSERT_GT(id, 0, "bpf_map_type_id")) + goto cleanup; + t = btf__type_by_id(btf, id); + if (!ASSERT_OK_PTR(t, "bpf_map_type_enum")) + goto cleanup; + + for (e = btf_enum(t), i = 0, n = btf_vlen(t); i < n; e++, i++) { + const char *map_type_name = btf__str_by_offset(btf, e->name_off); + enum bpf_map_type map_type = (enum bpf_map_type)e->val; + int res; + + if (map_type == BPF_MAP_TYPE_UNSPEC) + continue; + + if (!test__start_subtest(map_type_name)) + continue; + + res = libbpf_probe_bpf_map_type(map_type, NULL); + ASSERT_EQ(res, 1, map_type_name); + } + +cleanup: + btf__free(btf); +} + +void test_libbpf_probe_helpers(void) +{ +#define CASE(prog, helper, supp) { \ + .prog_type_name = "BPF_PROG_TYPE_" # prog, \ + .helper_name = "bpf_" # helper, \ + .prog_type = BPF_PROG_TYPE_ ## prog, \ + .helper_id = BPF_FUNC_ ## helper, \ + .supported = supp, \ +} + const struct case_def { + const char *prog_type_name; + const char *helper_name; + enum bpf_prog_type prog_type; + enum bpf_func_id helper_id; + bool supported; + } cases[] = { + CASE(KPROBE, unspec, false), + CASE(KPROBE, map_lookup_elem, true), + CASE(KPROBE, loop, true), + + CASE(KPROBE, ktime_get_coarse_ns, false), + CASE(SOCKET_FILTER, ktime_get_coarse_ns, true), + + CASE(KPROBE, sys_bpf, false), + CASE(SYSCALL, sys_bpf, true), + }; + size_t case_cnt = ARRAY_SIZE(cases), i; + char buf[128]; + + for (i = 0; i < case_cnt; i++) { + const struct case_def *d = &cases[i]; + int res; + + snprintf(buf, sizeof(buf), "%s+%s", d->prog_type_name, d->helper_name); + + if (!test__start_subtest(buf)) + continue; + + res = libbpf_probe_bpf_helper(d->prog_type, d->helper_id, NULL); + ASSERT_EQ(res, d->supported, buf); + } +} diff --git a/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c index 5a2a689dbb68..4e0b2ec057aa 100644 --- a/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c +++ b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c @@ -27,7 +27,7 @@ void test_load_bytes_relative(void) if (CHECK_FAIL(server_fd < 0)) goto close_cgroup_fd; - err = bpf_prog_load("./load_bytes_relative.o", BPF_PROG_TYPE_CGROUP_SKB, + err = bpf_prog_test_load("./load_bytes_relative.o", BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); if (CHECK_FAIL(err)) goto close_server_fd; diff --git a/tools/testing/selftests/bpf/prog_tests/log_buf.c b/tools/testing/selftests/bpf/prog_tests/log_buf.c new file mode 100644 index 000000000000..e469b023962b --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/log_buf.c @@ -0,0 +1,276 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include <test_progs.h> +#include <bpf/btf.h> + +#include "test_log_buf.skel.h" + +static size_t libbpf_log_pos; +static char libbpf_log_buf[1024 * 1024]; +static bool libbpf_log_error; + +static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt, va_list args) +{ + int emitted_cnt; + size_t left_cnt; + + left_cnt = sizeof(libbpf_log_buf) - libbpf_log_pos; + emitted_cnt = vsnprintf(libbpf_log_buf + libbpf_log_pos, left_cnt, fmt, args); + + if (emitted_cnt < 0 || emitted_cnt + 1 > left_cnt) { + libbpf_log_error = true; + return 0; + } + + libbpf_log_pos += emitted_cnt; + return 0; +} + +static void obj_load_log_buf(void) +{ + libbpf_print_fn_t old_print_cb = libbpf_set_print(libbpf_print_cb); + LIBBPF_OPTS(bpf_object_open_opts, opts); + const size_t log_buf_sz = 1024 * 1024; + struct test_log_buf* skel; + char *obj_log_buf, *good_log_buf, *bad_log_buf; + int err; + + obj_log_buf = malloc(3 * log_buf_sz); + if (!ASSERT_OK_PTR(obj_log_buf, "obj_log_buf")) + return; + + good_log_buf = obj_log_buf + log_buf_sz; + bad_log_buf = obj_log_buf + 2 * log_buf_sz; + obj_log_buf[0] = good_log_buf[0] = bad_log_buf[0] = '\0'; + + opts.kernel_log_buf = obj_log_buf; + opts.kernel_log_size = log_buf_sz; + opts.kernel_log_level = 4; /* for BTF this will turn into 1 */ + + /* In the first round every prog has its own log_buf, so libbpf logs + * don't have program failure logs + */ + skel = test_log_buf__open_opts(&opts); + if (!ASSERT_OK_PTR(skel, "skel_open")) + goto cleanup; + + /* set very verbose level for good_prog so we always get detailed logs */ + bpf_program__set_log_buf(skel->progs.good_prog, good_log_buf, log_buf_sz); + bpf_program__set_log_level(skel->progs.good_prog, 2); + + bpf_program__set_log_buf(skel->progs.bad_prog, bad_log_buf, log_buf_sz); + /* log_level 0 with custom log_buf means that verbose logs are not + * requested if program load is successful, but libbpf should retry + * with log_level 1 on error and put program's verbose load log into + * custom log_buf + */ + bpf_program__set_log_level(skel->progs.bad_prog, 0); + + err = test_log_buf__load(skel); + if (!ASSERT_ERR(err, "unexpected_load_success")) + goto cleanup; + + ASSERT_FALSE(libbpf_log_error, "libbpf_log_error"); + + /* there should be no prog loading log because we specified per-prog log buf */ + ASSERT_NULL(strstr(libbpf_log_buf, "-- BEGIN PROG LOAD LOG --"), "unexp_libbpf_log"); + ASSERT_OK_PTR(strstr(libbpf_log_buf, "prog 'bad_prog': BPF program load failed"), + "libbpf_log_not_empty"); + ASSERT_OK_PTR(strstr(obj_log_buf, "DATASEC license"), "obj_log_not_empty"); + ASSERT_OK_PTR(strstr(good_log_buf, "0: R1=ctx(id=0,off=0,imm=0) R10=fp0"), + "good_log_verbose"); + ASSERT_OK_PTR(strstr(bad_log_buf, "invalid access to map value, value_size=16 off=16000 size=4"), + "bad_log_not_empty"); + + if (env.verbosity > VERBOSE_NONE) { + printf("LIBBPF LOG: \n=================\n%s=================\n", libbpf_log_buf); + printf("OBJ LOG: \n=================\n%s=================\n", obj_log_buf); + printf("GOOD_PROG LOG:\n=================\n%s=================\n", good_log_buf); + printf("BAD_PROG LOG:\n=================\n%s=================\n", bad_log_buf); + } + + /* reset everything */ + test_log_buf__destroy(skel); + obj_log_buf[0] = good_log_buf[0] = bad_log_buf[0] = '\0'; + libbpf_log_buf[0] = '\0'; + libbpf_log_pos = 0; + libbpf_log_error = false; + + /* In the second round we let bad_prog's failure be logged through print callback */ + opts.kernel_log_buf = NULL; /* let everything through into print callback */ + opts.kernel_log_size = 0; + opts.kernel_log_level = 1; + + skel = test_log_buf__open_opts(&opts); + if (!ASSERT_OK_PTR(skel, "skel_open")) + goto cleanup; + + /* set normal verbose level for good_prog to check log_level is taken into account */ + bpf_program__set_log_buf(skel->progs.good_prog, good_log_buf, log_buf_sz); + bpf_program__set_log_level(skel->progs.good_prog, 1); + + err = test_log_buf__load(skel); + if (!ASSERT_ERR(err, "unexpected_load_success")) + goto cleanup; + + ASSERT_FALSE(libbpf_log_error, "libbpf_log_error"); + + /* this time prog loading error should be logged through print callback */ + ASSERT_OK_PTR(strstr(libbpf_log_buf, "libbpf: prog 'bad_prog': -- BEGIN PROG LOAD LOG --"), + "libbpf_log_correct"); + ASSERT_STREQ(obj_log_buf, "", "obj_log__empty"); + ASSERT_STREQ(good_log_buf, "processed 4 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0\n", + "good_log_ok"); + ASSERT_STREQ(bad_log_buf, "", "bad_log_empty"); + + if (env.verbosity > VERBOSE_NONE) { + printf("LIBBPF LOG: \n=================\n%s=================\n", libbpf_log_buf); + printf("OBJ LOG: \n=================\n%s=================\n", obj_log_buf); + printf("GOOD_PROG LOG:\n=================\n%s=================\n", good_log_buf); + printf("BAD_PROG LOG:\n=================\n%s=================\n", bad_log_buf); + } + +cleanup: + free(obj_log_buf); + test_log_buf__destroy(skel); + libbpf_set_print(old_print_cb); +} + +static void bpf_prog_load_log_buf(void) +{ + const struct bpf_insn good_prog_insns[] = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }; + const size_t good_prog_insn_cnt = sizeof(good_prog_insns) / sizeof(struct bpf_insn); + const struct bpf_insn bad_prog_insns[] = { + BPF_EXIT_INSN(), + }; + size_t bad_prog_insn_cnt = sizeof(bad_prog_insns) / sizeof(struct bpf_insn); + LIBBPF_OPTS(bpf_prog_load_opts, opts); + const size_t log_buf_sz = 1024 * 1024; + char *log_buf; + int fd = -1; + + log_buf = malloc(log_buf_sz); + if (!ASSERT_OK_PTR(log_buf, "log_buf_alloc")) + return; + opts.log_buf = log_buf; + opts.log_size = log_buf_sz; + + /* with log_level == 0 log_buf shoud stay empty for good prog */ + log_buf[0] = '\0'; + opts.log_level = 0; + fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL", + good_prog_insns, good_prog_insn_cnt, &opts); + ASSERT_STREQ(log_buf, "", "good_log_0"); + ASSERT_GE(fd, 0, "good_fd1"); + if (fd >= 0) + close(fd); + fd = -1; + + /* log_level == 2 should always fill log_buf, even for good prog */ + log_buf[0] = '\0'; + opts.log_level = 2; + fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL", + good_prog_insns, good_prog_insn_cnt, &opts); + ASSERT_OK_PTR(strstr(log_buf, "0: R1=ctx(id=0,off=0,imm=0) R10=fp0"), "good_log_2"); + ASSERT_GE(fd, 0, "good_fd2"); + if (fd >= 0) + close(fd); + fd = -1; + + /* log_level == 0 should fill log_buf for bad prog */ + log_buf[0] = '\0'; + opts.log_level = 0; + fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "bad_prog", "GPL", + bad_prog_insns, bad_prog_insn_cnt, &opts); + ASSERT_OK_PTR(strstr(log_buf, "R0 !read_ok"), "bad_log_0"); + ASSERT_LT(fd, 0, "bad_fd"); + if (fd >= 0) + close(fd); + fd = -1; + + free(log_buf); +} + +static void bpf_btf_load_log_buf(void) +{ + LIBBPF_OPTS(bpf_btf_load_opts, opts); + const size_t log_buf_sz = 1024 * 1024; + const void *raw_btf_data; + __u32 raw_btf_size; + struct btf *btf; + char *log_buf; + int fd = -1; + + btf = btf__new_empty(); + if (!ASSERT_OK_PTR(btf, "empty_btf")) + return; + + ASSERT_GT(btf__add_int(btf, "int", 4, 0), 0, "int_type"); + + raw_btf_data = btf__raw_data(btf, &raw_btf_size); + if (!ASSERT_OK_PTR(raw_btf_data, "raw_btf_data_good")) + goto cleanup; + + log_buf = malloc(log_buf_sz); + if (!ASSERT_OK_PTR(log_buf, "log_buf_alloc")) + goto cleanup; + opts.log_buf = log_buf; + opts.log_size = log_buf_sz; + + /* with log_level == 0 log_buf shoud stay empty for good BTF */ + log_buf[0] = '\0'; + opts.log_level = 0; + fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts); + ASSERT_STREQ(log_buf, "", "good_log_0"); + ASSERT_GE(fd, 0, "good_fd1"); + if (fd >= 0) + close(fd); + fd = -1; + + /* log_level == 2 should always fill log_buf, even for good BTF */ + log_buf[0] = '\0'; + opts.log_level = 2; + fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts); + printf("LOG_BUF: %s\n", log_buf); + ASSERT_OK_PTR(strstr(log_buf, "magic: 0xeb9f"), "good_log_2"); + ASSERT_GE(fd, 0, "good_fd2"); + if (fd >= 0) + close(fd); + fd = -1; + + /* make BTF bad, add pointer pointing to non-existing type */ + ASSERT_GT(btf__add_ptr(btf, 100), 0, "bad_ptr_type"); + + raw_btf_data = btf__raw_data(btf, &raw_btf_size); + if (!ASSERT_OK_PTR(raw_btf_data, "raw_btf_data_bad")) + goto cleanup; + + /* log_level == 0 should fill log_buf for bad BTF */ + log_buf[0] = '\0'; + opts.log_level = 0; + fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts); + printf("LOG_BUF: %s\n", log_buf); + ASSERT_OK_PTR(strstr(log_buf, "[2] PTR (anon) type_id=100 Invalid type_id"), "bad_log_0"); + ASSERT_LT(fd, 0, "bad_fd"); + if (fd >= 0) + close(fd); + fd = -1; + +cleanup: + free(log_buf); + btf__free(btf); +} + +void test_log_buf(void) +{ + if (test__start_subtest("obj_load_log_buf")) + obj_load_log_buf(); + if (test__start_subtest("bpf_prog_load_log_buf")) + bpf_prog_load_log_buf(); + if (test__start_subtest("bpf_btf_load_log_buf")) + bpf_btf_load_log_buf(); +} diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c index ce17b1ed8709..23d19e9cf26a 100644 --- a/tools/testing/selftests/bpf/prog_tests/map_lock.c +++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c @@ -53,9 +53,9 @@ void test_map_lock(void) int err = 0, key = 0, i; void *ret; - err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); if (CHECK_FAIL(err)) { - printf("test_map_lock:bpf_prog_load errno %d\n", errno); + printf("test_map_lock:bpf_prog_test_load errno %d\n", errno); goto close_prog; } map_fd[0] = bpf_find_map(__func__, obj, "hash_map"); diff --git a/tools/testing/selftests/bpf/prog_tests/map_ptr.c b/tools/testing/selftests/bpf/prog_tests/map_ptr.c index 4972f92205c7..273725504f11 100644 --- a/tools/testing/selftests/bpf/prog_tests/map_ptr.c +++ b/tools/testing/selftests/bpf/prog_tests/map_ptr.c @@ -4,31 +4,29 @@ #include <test_progs.h> #include <network_helpers.h> -#include "map_ptr_kern.skel.h" +#include "map_ptr_kern.lskel.h" void test_map_ptr(void) { - struct map_ptr_kern *skel; + struct map_ptr_kern_lskel *skel; __u32 duration = 0, retval; char buf[128]; int err; int page_size = getpagesize(); - skel = map_ptr_kern__open(); + skel = map_ptr_kern_lskel__open(); if (!ASSERT_OK_PTR(skel, "skel_open")) return; - err = bpf_map__set_max_entries(skel->maps.m_ringbuf, page_size); - if (!ASSERT_OK(err, "bpf_map__set_max_entries")) - goto cleanup; + skel->maps.m_ringbuf.max_entries = page_size; - err = map_ptr_kern__load(skel); + err = map_ptr_kern_lskel__load(skel); if (!ASSERT_OK(err, "skel_load")) goto cleanup; skel->bss->page_size = page_size; - err = bpf_prog_test_run(bpf_program__fd(skel->progs.cg_skb), 1, &pkt_v4, + err = bpf_prog_test_run(skel->progs.cg_skb.prog_fd, 1, &pkt_v4, sizeof(pkt_v4), buf, NULL, &retval, NULL); if (CHECK(err, "test_run", "err=%d errno=%d\n", err, errno)) @@ -39,5 +37,5 @@ void test_map_ptr(void) goto cleanup; cleanup: - map_ptr_kern__destroy(skel); + map_ptr_kern_lskel__destroy(skel); } diff --git a/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c b/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c index 7589c03fd26b..eb2feaac81fe 100644 --- a/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c +++ b/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c @@ -204,8 +204,8 @@ static int pass_ack(struct migrate_reuseport_test_case *test_case) { int err; - err = bpf_link__detach(test_case->link); - if (!ASSERT_OK(err, "bpf_link__detach")) + err = bpf_link__destroy(test_case->link); + if (!ASSERT_OK(err, "bpf_link__destroy")) return -1; test_case->link = NULL; diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c index 4e32f3586a75..5fc2b3a0711e 100644 --- a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c +++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c @@ -47,7 +47,6 @@ void serial_test_perf_buffer(void) { int err, on_len, nr_on_cpus = 0, nr_cpus, i, j; int zero = 0, my_pid = getpid(); - struct perf_buffer_opts pb_opts = {}; struct test_perf_buffer *skel; cpu_set_t cpu_seen; struct perf_buffer *pb; @@ -82,9 +81,8 @@ void serial_test_perf_buffer(void) goto out_close; /* set up perf buffer */ - pb_opts.sample_cb = on_sample; - pb_opts.ctx = &cpu_seen; - pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1, &pb_opts); + pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1, + on_sample, NULL, &cpu_seen, NULL); if (!ASSERT_OK_PTR(pb, "perf_buf__new")) goto out_close; diff --git a/tools/testing/selftests/bpf/prog_tests/pinning.c b/tools/testing/selftests/bpf/prog_tests/pinning.c index d4b953ae3407..31c09ba577eb 100644 --- a/tools/testing/selftests/bpf/prog_tests/pinning.c +++ b/tools/testing/selftests/bpf/prog_tests/pinning.c @@ -241,8 +241,8 @@ void test_pinning(void) goto out; } - map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(__u32), - sizeof(__u64), 1, 0); + map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(__u32), + sizeof(__u64), 1, NULL); if (CHECK(map_fd < 0, "create pinmap manually", "fd %d\n", map_fd)) goto out; diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_access.c index 44b514fabccd..6628710ec3c6 100644 --- a/tools/testing/selftests/bpf/prog_tests/pkt_access.c +++ b/tools/testing/selftests/bpf/prog_tests/pkt_access.c @@ -9,7 +9,7 @@ void test_pkt_access(void) __u32 duration, retval; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c index 939015cd6dba..c9d2d6a1bfcc 100644 --- a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c +++ b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c @@ -9,7 +9,7 @@ void test_pkt_md_access(void) __u32 duration, retval; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/prog_array_init.c b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c new file mode 100644 index 000000000000..fc4657619739 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021 Hengqi Chen */ + +#include <test_progs.h> +#include "test_prog_array_init.skel.h" + +void test_prog_array_init(void) +{ + struct test_prog_array_init *skel; + int err; + + skel = test_prog_array_init__open(); + if (!ASSERT_OK_PTR(skel, "could not open BPF object")) + return; + + skel->rodata->my_pid = getpid(); + + err = test_prog_array_init__load(skel); + if (!ASSERT_OK(err, "could not load BPF object")) + goto cleanup; + + skel->links.entry = bpf_program__attach_raw_tracepoint(skel->progs.entry, "sys_enter"); + if (!ASSERT_OK_PTR(skel->links.entry, "could not attach BPF program")) + goto cleanup; + + usleep(1); + + ASSERT_EQ(skel->bss->value, 42, "unexpected value"); + +cleanup: + test_prog_array_init__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c index f47e7b1cb32c..b9822f914eeb 100644 --- a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c +++ b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c @@ -14,7 +14,7 @@ static void test_queue_stack_map_by_type(int type) int i, err, prog_fd, map_in_fd, map_out_fd; char file[32], buf[128]; struct bpf_object *obj; - struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); + struct iphdr iph; /* Fill test values to be used */ for (i = 0; i < MAP_SIZE; i++) @@ -27,7 +27,7 @@ static void test_queue_stack_map_by_type(int type) else return; - err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -60,15 +60,17 @@ static void test_queue_stack_map_by_type(int type) err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), buf, &size, &retval, &duration); - if (err || retval || size != sizeof(pkt_v4) || - iph->daddr != val) + if (err || retval || size != sizeof(pkt_v4)) + break; + memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph)); + if (iph.daddr != val) break; } - CHECK(err || retval || size != sizeof(pkt_v4) || iph->daddr != val, + CHECK(err || retval || size != sizeof(pkt_v4) || iph.daddr != val, "bpf_map_pop_elem", "err %d errno %d retval %d size %d iph->daddr %u\n", - err, errno, retval, size, iph->daddr); + err, errno, retval, size, iph.daddr); /* Queue is empty, program should return TC_ACT_SHOT */ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c index 9807336a3016..e2f1445b0e10 100644 --- a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c +++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c @@ -18,15 +18,15 @@ void test_raw_tp_writable_reject_nbd_invalid(void) BPF_EXIT_INSN(), }; - struct bpf_load_program_attr load_attr = { - .prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, - .license = "GPL v2", - .insns = program, - .insns_cnt = sizeof(program) / sizeof(struct bpf_insn), + LIBBPF_OPTS(bpf_prog_load_opts, opts, .log_level = 2, - }; + .log_buf = error, + .log_size = sizeof(error), + ); - bpf_fd = bpf_load_program_xattr(&load_attr, error, sizeof(error)); + bpf_fd = bpf_prog_load(BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, NULL, "GPL v2", + program, sizeof(program) / sizeof(struct bpf_insn), + &opts); if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable load", "failed: %d errno %d\n", bpf_fd, errno)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c index ddefa1192e5d..239baccabccb 100644 --- a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c +++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c @@ -17,15 +17,15 @@ void serial_test_raw_tp_writable_test_run(void) BPF_EXIT_INSN(), }; - struct bpf_load_program_attr load_attr = { - .prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, - .license = "GPL v2", - .insns = trace_program, - .insns_cnt = sizeof(trace_program) / sizeof(struct bpf_insn), + LIBBPF_OPTS(bpf_prog_load_opts, trace_opts, .log_level = 2, - }; + .log_buf = error, + .log_size = sizeof(error), + ); - int bpf_fd = bpf_load_program_xattr(&load_attr, error, sizeof(error)); + int bpf_fd = bpf_prog_load(BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, NULL, "GPL v2", + trace_program, sizeof(trace_program) / sizeof(struct bpf_insn), + &trace_opts); if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable loaded", "failed: %d errno %d\n", bpf_fd, errno)) return; @@ -35,15 +35,14 @@ void serial_test_raw_tp_writable_test_run(void) BPF_EXIT_INSN(), }; - struct bpf_load_program_attr skb_load_attr = { - .prog_type = BPF_PROG_TYPE_SOCKET_FILTER, - .license = "GPL v2", - .insns = skb_program, - .insns_cnt = sizeof(skb_program) / sizeof(struct bpf_insn), - }; + LIBBPF_OPTS(bpf_prog_load_opts, skb_opts, + .log_buf = error, + .log_size = sizeof(error), + ); - int filter_fd = - bpf_load_program_xattr(&skb_load_attr, error, sizeof(error)); + int filter_fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, NULL, "GPL v2", + skb_program, sizeof(skb_program) / sizeof(struct bpf_insn), + &skb_opts); if (CHECK(filter_fd < 0, "test_program_loaded", "failed: %d errno %d\n", filter_fd, errno)) goto out_bpffd; diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c index 167cd8a2edfd..e945195b24c9 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c @@ -62,8 +62,8 @@ void test_ringbuf_multi(void) if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n")) goto cleanup; - proto_fd = bpf_create_map(BPF_MAP_TYPE_RINGBUF, 0, 0, page_size, 0); - if (CHECK(proto_fd < 0, "bpf_create_map", "bpf_create_map failed\n")) + proto_fd = bpf_map_create(BPF_MAP_TYPE_RINGBUF, NULL, 0, 0, page_size, NULL); + if (CHECK(proto_fd < 0, "bpf_map_create", "bpf_map_create failed\n")) goto cleanup; err = bpf_map__set_inner_map_fd(skel->maps.ringbuf_hash, proto_fd); diff --git a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c index 3cfc910ab3c1..1cbd8cd64044 100644 --- a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c +++ b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c @@ -18,7 +18,6 @@ #include <netinet/in.h> #include <bpf/bpf.h> #include <bpf/libbpf.h> -#include "bpf_rlimit.h" #include "bpf_util.h" #include "test_progs.h" @@ -66,29 +65,20 @@ static union sa46 { static int create_maps(enum bpf_map_type inner_type) { - struct bpf_create_map_attr attr = {}; + LIBBPF_OPTS(bpf_map_create_opts, opts); inner_map_type = inner_type; /* Creating reuseport_array */ - attr.name = "reuseport_array"; - attr.map_type = inner_type; - attr.key_size = sizeof(__u32); - attr.value_size = sizeof(__u32); - attr.max_entries = REUSEPORT_ARRAY_SIZE; - - reuseport_array = bpf_create_map_xattr(&attr); + reuseport_array = bpf_map_create(inner_type, "reuseport_array", + sizeof(__u32), sizeof(__u32), REUSEPORT_ARRAY_SIZE, NULL); RET_ERR(reuseport_array < 0, "creating reuseport_array", "reuseport_array:%d errno:%d\n", reuseport_array, errno); /* Creating outer_map */ - attr.name = "outer_map"; - attr.map_type = BPF_MAP_TYPE_ARRAY_OF_MAPS; - attr.key_size = sizeof(__u32); - attr.value_size = sizeof(__u32); - attr.max_entries = 1; - attr.inner_map_fd = reuseport_array; - outer_map = bpf_create_map_xattr(&attr); + opts.inner_map_fd = reuseport_array; + outer_map = bpf_map_create(BPF_MAP_TYPE_ARRAY_OF_MAPS, "outer_map", + sizeof(__u32), sizeof(__u32), 1, &opts); RET_ERR(outer_map < 0, "creating outer_map", "outer_map:%d errno:%d\n", outer_map, errno); diff --git a/tools/testing/selftests/bpf/prog_tests/signal_pending.c b/tools/testing/selftests/bpf/prog_tests/signal_pending.c index fdfdcff6cbef..aecfe662c070 100644 --- a/tools/testing/selftests/bpf/prog_tests/signal_pending.c +++ b/tools/testing/selftests/bpf/prog_tests/signal_pending.c @@ -22,7 +22,7 @@ static void test_signal_pending_by_type(enum bpf_prog_type prog_type) prog[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0); prog[ARRAY_SIZE(prog) - 1] = BPF_EXIT_INSN(); - prog_fd = bpf_load_program(prog_type, prog, ARRAY_SIZE(prog), + prog_fd = bpf_test_load_program(prog_type, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0); CHECK(prog_fd < 0, "test-run", "errno %d\n", errno); diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index 6db07401bc49..597d0467a926 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -30,7 +30,6 @@ #include <bpf/bpf.h> #include "test_progs.h" -#include "bpf_rlimit.h" #include "bpf_util.h" #include "cgroup_helpers.h" #include "network_helpers.h" @@ -937,6 +936,37 @@ static void test_drop_on_lookup(struct test_sk_lookup *skel) .connect_to = { EXT_IP6, EXT_PORT }, .listen_at = { EXT_IP6, INT_PORT }, }, + /* The program will drop on success, meaning that the ifindex + * was 1. + */ + { + .desc = "TCP IPv4 drop on valid ifindex", + .lookup_prog = skel->progs.check_ifindex, + .sotype = SOCK_STREAM, + .connect_to = { EXT_IP4, EXT_PORT }, + .listen_at = { EXT_IP4, EXT_PORT }, + }, + { + .desc = "TCP IPv6 drop on valid ifindex", + .lookup_prog = skel->progs.check_ifindex, + .sotype = SOCK_STREAM, + .connect_to = { EXT_IP6, EXT_PORT }, + .listen_at = { EXT_IP6, EXT_PORT }, + }, + { + .desc = "UDP IPv4 drop on valid ifindex", + .lookup_prog = skel->progs.check_ifindex, + .sotype = SOCK_DGRAM, + .connect_to = { EXT_IP4, EXT_PORT }, + .listen_at = { EXT_IP4, EXT_PORT }, + }, + { + .desc = "UDP IPv6 drop on valid ifindex", + .lookup_prog = skel->progs.check_ifindex, + .sotype = SOCK_DGRAM, + .connect_to = { EXT_IP6, EXT_PORT }, + .listen_at = { EXT_IP6, EXT_PORT }, + }, }; const struct test *t; diff --git a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c index c437e6ba8fe2..b5319ba2ee27 100644 --- a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c +++ b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c @@ -32,7 +32,7 @@ void test_skb_ctx(void) int err; int i; - err = bpf_prog_load("./test_skb_ctx.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("./test_skb_ctx.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &tattr.prog_fd); if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno)) return; @@ -111,4 +111,6 @@ void test_skb_ctx(void) "ctx_out_mark", "skb->mark == %u, expected %d\n", skb.mark, 10); + + bpf_object__close(obj); } diff --git a/tools/testing/selftests/bpf/prog_tests/skb_helpers.c b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c index f302ad84a298..6f802a1c0800 100644 --- a/tools/testing/selftests/bpf/prog_tests/skb_helpers.c +++ b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c @@ -20,7 +20,7 @@ void test_skb_helpers(void) struct bpf_object *obj; int err; - err = bpf_prog_load("./test_skb_helpers.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("./test_skb_helpers.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &tattr.prog_fd); if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/sock_fields.c b/tools/testing/selftests/bpf/prog_tests/sock_fields.c index fae40db4d81f..9fc040eaa482 100644 --- a/tools/testing/selftests/bpf/prog_tests/sock_fields.c +++ b/tools/testing/selftests/bpf/prog_tests/sock_fields.c @@ -15,7 +15,6 @@ #include "network_helpers.h" #include "cgroup_helpers.h" #include "test_progs.h" -#include "bpf_rlimit.h" #include "test_sock_fields.skel.h" enum bpf_linum_array_idx { diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index 1352ec104149..85db0f4cdd95 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -91,9 +91,9 @@ static void test_sockmap_create_update_free(enum bpf_map_type map_type) if (CHECK_FAIL(s < 0)) return; - map = bpf_create_map(map_type, sizeof(int), sizeof(int), 1, 0); + map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL); if (CHECK_FAIL(map < 0)) { - perror("bpf_create_map"); + perror("bpf_cmap_create"); goto out; } diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c index 7a0d64fdc192..af293ea1542c 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c @@ -97,7 +97,7 @@ static void run_tests(int family, enum bpf_map_type map_type) char test_name[MAX_TEST_NAME]; int map; - map = bpf_create_map(map_type, sizeof(int), sizeof(int), 1, 0); + map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL); if (CHECK_FAIL(map < 0)) { perror("bpf_map_create"); return; diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index 2a9cb951bfd6..7e21bfab6358 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -502,8 +502,8 @@ static void test_lookup_32_bit_value(int family, int sotype, int mapfd) if (s < 0) return; - mapfd = bpf_create_map(BPF_MAP_TYPE_SOCKMAP, sizeof(key), - sizeof(value32), 1, 0); + mapfd = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(key), + sizeof(value32), 1, NULL); if (mapfd < 0) { FAIL_ERRNO("map_create"); goto close; diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt.c b/tools/testing/selftests/bpf/prog_tests/sockopt.c index 3e8517a8395a..cd09f4c7dd92 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt.c @@ -852,22 +852,21 @@ static struct sockopt_test { static int load_prog(const struct bpf_insn *insns, enum bpf_attach_type expected_attach_type) { - struct bpf_load_program_attr attr = { - .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT, + LIBBPF_OPTS(bpf_prog_load_opts, opts, .expected_attach_type = expected_attach_type, - .insns = insns, - .license = "GPL", .log_level = 2, - }; - int fd; + .log_buf = bpf_log_buf, + .log_size = sizeof(bpf_log_buf), + ); + int fd, insns_cnt = 0; for (; - insns[attr.insns_cnt].code != (BPF_JMP | BPF_EXIT); - attr.insns_cnt++) { + insns[insns_cnt].code != (BPF_JMP | BPF_EXIT); + insns_cnt++) { } - attr.insns_cnt++; + insns_cnt++; - fd = bpf_load_program_xattr(&attr, bpf_log_buf, sizeof(bpf_log_buf)); + fd = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCKOPT, NULL, "GPL", insns, insns_cnt, &opts); if (verbose && fd < 0) fprintf(stderr, "%s\n", bpf_log_buf); diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c index 86f97681ad89..8ed78a9383ba 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c @@ -136,7 +136,8 @@ static int start_server(void) return fd; } -static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title) +static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title, + const char *prog_name) { enum bpf_attach_type attach_type; enum bpf_prog_type prog_type; @@ -145,20 +146,20 @@ static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title) err = libbpf_prog_type_by_name(title, &prog_type, &attach_type); if (err) { - log_err("Failed to deduct types for %s BPF program", title); + log_err("Failed to deduct types for %s BPF program", prog_name); return -1; } - prog = bpf_object__find_program_by_title(obj, title); + prog = bpf_object__find_program_by_name(obj, prog_name); if (!prog) { - log_err("Failed to find %s BPF program", title); + log_err("Failed to find %s BPF program", prog_name); return -1; } err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, attach_type, 0); if (err) { - log_err("Failed to attach %s BPF program", title); + log_err("Failed to attach %s BPF program", prog_name); return -1; } @@ -167,25 +168,25 @@ static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title) static void run_test(int cgroup_fd) { - struct bpf_prog_load_attr attr = { - .file = "./sockopt_inherit.o", - }; int server_fd = -1, client_fd; struct bpf_object *obj; void *server_err; pthread_t tid; - int ignored; int err; - err = bpf_prog_load_xattr(&attr, &obj, &ignored); - if (CHECK_FAIL(err)) + obj = bpf_object__open_file("sockopt_inherit.o", NULL); + if (!ASSERT_OK_PTR(obj, "obj_open")) return; - err = prog_attach(obj, cgroup_fd, "cgroup/getsockopt"); + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "obj_load")) + goto close_bpf_object; + + err = prog_attach(obj, cgroup_fd, "cgroup/getsockopt", "_getsockopt"); if (CHECK_FAIL(err)) goto close_bpf_object; - err = prog_attach(obj, cgroup_fd, "cgroup/setsockopt"); + err = prog_attach(obj, cgroup_fd, "cgroup/setsockopt", "_setsockopt"); if (CHECK_FAIL(err)) goto close_bpf_object; diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c index bc34f7773444..abce12ddcc37 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c @@ -297,14 +297,10 @@ detach: void test_sockopt_multi(void) { - struct bpf_prog_load_attr attr = { - .file = "./sockopt_multi.o", - }; int cg_parent = -1, cg_child = -1; struct bpf_object *obj = NULL; int sock_fd = -1; int err = -1; - int ignored; cg_parent = test__join_cgroup("/parent"); if (CHECK_FAIL(cg_parent < 0)) @@ -314,8 +310,12 @@ void test_sockopt_multi(void) if (CHECK_FAIL(cg_child < 0)) goto out; - err = bpf_prog_load_xattr(&attr, &obj, &ignored); - if (CHECK_FAIL(err)) + obj = bpf_object__open_file("sockopt_multi.o", NULL); + if (!ASSERT_OK_PTR(obj, "obj_load")) + goto out; + + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "obj_load")) goto out; sock_fd = socket(AF_INET, SOCK_STREAM, 0); diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c index 7577a77a4c4c..6307f5d2b417 100644 --- a/tools/testing/selftests/bpf/prog_tests/spinlock.c +++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c @@ -24,9 +24,9 @@ void test_spinlock(void) int err = 0, i; void *ret; - err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); if (CHECK_FAIL(err)) { - printf("test_spin_lock:bpf_prog_load errno %d\n", errno); + printf("test_spin_lock:bpf_prog_test_load errno %d\n", errno); goto close_prog; } for (i = 0; i < 4; i++) diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c index 04b476bd62b9..313f0a66232e 100644 --- a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c +++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c @@ -4,7 +4,7 @@ void test_stacktrace_map(void) { int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd; - const char *prog_name = "tracepoint/sched/sched_switch"; + const char *prog_name = "oncpu"; int err, prog_fd, stack_trace_len; const char *file = "./test_stacktrace_map.o"; __u32 key, val, duration = 0; @@ -12,11 +12,11 @@ void test_stacktrace_map(void) struct bpf_object *obj; struct bpf_link *link; - err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno)) return; - prog = bpf_object__find_program_by_title(obj, prog_name); + prog = bpf_object__find_program_by_name(obj, prog_name); if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name)) goto close_prog; diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c index 4fd30bb651ad..1cb8dd36bd8f 100644 --- a/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c +++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c @@ -3,7 +3,7 @@ void test_stacktrace_map_raw_tp(void) { - const char *prog_name = "tracepoint/sched/sched_switch"; + const char *prog_name = "oncpu"; int control_map_fd, stackid_hmap_fd, stackmap_fd; const char *file = "./test_stacktrace_map.o"; __u32 key, val, duration = 0; @@ -12,11 +12,11 @@ void test_stacktrace_map_raw_tp(void) struct bpf_object *obj; struct bpf_link *link = NULL; - err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno)) return; - prog = bpf_object__find_program_by_title(obj, prog_name); + prog = bpf_object__find_program_by_name(obj, prog_name); if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name)) goto close_prog; diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c index 9825f1f7bfcc..5dc0f425bd11 100644 --- a/tools/testing/selftests/bpf/prog_tests/tailcalls.c +++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c @@ -16,7 +16,7 @@ static void test_tailcall_1(void) char prog_name[32]; char buff[128] = {}; - err = bpf_prog_load("tailcall1.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("tailcall1.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -154,7 +154,7 @@ static void test_tailcall_2(void) char prog_name[32]; char buff[128] = {}; - err = bpf_prog_load("tailcall2.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("tailcall2.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -228,7 +228,7 @@ static void test_tailcall_count(const char *which) __u32 retval, duration; char buff[128] = {}; - err = bpf_prog_load(which, BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load(which, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -324,7 +324,7 @@ static void test_tailcall_4(void) char buff[128] = {}; char prog_name[32]; - err = bpf_prog_load("tailcall4.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("tailcall4.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -412,7 +412,7 @@ static void test_tailcall_5(void) char buff[128] = {}; char prog_name[32]; - err = bpf_prog_load("tailcall5.o", BPF_PROG_TYPE_SCHED_CLS, &obj, + err = bpf_prog_test_load("tailcall5.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -498,7 +498,7 @@ static void test_tailcall_bpf2bpf_1(void) __u32 retval, duration; char prog_name[32]; - err = bpf_prog_load("tailcall_bpf2bpf1.o", BPF_PROG_TYPE_SCHED_CLS, + err = bpf_prog_test_load("tailcall_bpf2bpf1.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -582,7 +582,7 @@ static void test_tailcall_bpf2bpf_2(void) __u32 retval, duration; char buff[128] = {}; - err = bpf_prog_load("tailcall_bpf2bpf2.o", BPF_PROG_TYPE_SCHED_CLS, + err = bpf_prog_test_load("tailcall_bpf2bpf2.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -660,7 +660,7 @@ static void test_tailcall_bpf2bpf_3(void) __u32 retval, duration; char prog_name[32]; - err = bpf_prog_load("tailcall_bpf2bpf3.o", BPF_PROG_TYPE_SCHED_CLS, + err = bpf_prog_test_load("tailcall_bpf2bpf3.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -757,7 +757,7 @@ static void test_tailcall_bpf2bpf_4(bool noise) __u32 retval, duration; char prog_name[32]; - err = bpf_prog_load("tailcall_bpf2bpf4.o", BPF_PROG_TYPE_SCHED_CLS, + err = bpf_prog_test_load("tailcall_bpf2bpf4.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c index 1bdc1d86a50c..17947c9e1d66 100644 --- a/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c +++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c @@ -11,7 +11,7 @@ void test_task_fd_query_rawtp(void) __u32 duration = 0; char buf[256]; - err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd); if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c index 3f131b8fe328..c2a98a7a8dfc 100644 --- a/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c +++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c @@ -13,8 +13,8 @@ static void test_task_fd_query_tp_core(const char *probe_name, __u32 duration = 0; char buf[256]; - err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); - if (CHECK(err, "bpf_prog_load", "err %d errno %d\n", err, errno)) + err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); + if (CHECK(err, "bpf_prog_test_load", "err %d errno %d\n", err, errno)) goto close_prog; snprintf(buf, sizeof(buf), diff --git a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c index 4b18b73df10b..c2426df58e17 100644 --- a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c +++ b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c @@ -105,6 +105,13 @@ static int setns_by_fd(int nsfd) if (!ASSERT_OK(err, "unshare")) return err; + /* Make our /sys mount private, so the following umount won't + * trigger the global umount in case it's shared. + */ + err = mount("none", "/sys", NULL, MS_PRIVATE, NULL); + if (!ASSERT_OK(err, "remount private /sys")) + return err; + err = umount2("/sys", MNT_DETACH); if (!ASSERT_OK(err, "umount2 /sys")) return err; diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_estats.c b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c index 594307dffd13..11bf755be4c9 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_estats.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c @@ -8,7 +8,7 @@ void test_tcp_estats(void) struct bpf_object *obj; __u32 duration = 0; - err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); CHECK(err, "", "err %d errno %d\n", err, errno); if (err) return; diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index 265b4fe33ec3..96ff2c20af81 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -2,6 +2,7 @@ #include <test_progs.h> #include "cgroup_helpers.h" #include "network_helpers.h" +#include "tcp_rtt.skel.h" struct tcp_rtt_storage { __u32 invoked; @@ -91,26 +92,18 @@ static int verify_sk(int map_fd, int client_fd, const char *msg, __u32 invoked, static int run_test(int cgroup_fd, int server_fd) { - struct bpf_prog_load_attr attr = { - .prog_type = BPF_PROG_TYPE_SOCK_OPS, - .file = "./tcp_rtt.o", - .expected_attach_type = BPF_CGROUP_SOCK_OPS, - }; - struct bpf_object *obj; - struct bpf_map *map; + struct tcp_rtt *skel; int client_fd; int prog_fd; int map_fd; int err; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); - if (err) { - log_err("Failed to load BPF object"); + skel = tcp_rtt__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_open_load")) return -1; - } - map = bpf_object__next_map(obj, NULL); - map_fd = bpf_map__fd(map); + map_fd = bpf_map__fd(skel->maps.socket_storage_map); + prog_fd = bpf_program__fd(skel->progs._sockops); err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0); if (err) { @@ -149,7 +142,7 @@ close_client_fd: close(client_fd); close_bpf_object: - bpf_object__close(obj); + tcp_rtt__destroy(skel); return err; } diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpffs.c b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c index d29ebfeef9c5..214d9f4a94a5 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_bpffs.c +++ b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c @@ -19,11 +19,13 @@ static int read_iter(char *file) fd = open(file, 0); if (fd < 0) return -1; - while ((len = read(fd, buf, sizeof(buf))) > 0) + while ((len = read(fd, buf, sizeof(buf))) > 0) { + buf[sizeof(buf) - 1] = '\0'; if (strstr(buf, "iter")) { close(fd); return 0; } + } close(fd); return -1; } @@ -80,7 +82,7 @@ static int fn(void) if (!ASSERT_OK(err, "creating " TDIR "/fs1/b")) goto out; - map = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 4, 1, 0); + map = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 4, 1, NULL); if (!ASSERT_GT(map, 0, "create_map(ARRAY)")) goto out; err = bpf_obj_pin(map, TDIR "/fs1/c"); diff --git a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c index 7e13129f593a..509e21d5cb9d 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c +++ b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c @@ -30,17 +30,29 @@ extern int extra_prog_load_log_flags; static int check_load(const char *file) { - struct bpf_prog_load_attr attr; struct bpf_object *obj = NULL; - int err, prog_fd; + struct bpf_program *prog; + int err; - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = file; - attr.prog_type = BPF_PROG_TYPE_UNSPEC; - attr.log_level = extra_prog_load_log_flags; - attr.prog_flags = BPF_F_TEST_RND_HI32; found = false; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); + + obj = bpf_object__open_file(file, NULL); + err = libbpf_get_error(obj); + if (err) + return err; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + bpf_program__set_log_level(prog, extra_prog_load_log_flags); + + err = bpf_object__load(obj); + +err_out: bpf_object__close(obj); return err; } diff --git a/tools/testing/selftests/bpf/prog_tests/test_local_storage.c b/tools/testing/selftests/bpf/prog_tests/test_local_storage.c index d2c16eaae367..26ac26a88026 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_local_storage.c +++ b/tools/testing/selftests/bpf/prog_tests/test_local_storage.c @@ -28,10 +28,6 @@ static unsigned int duration; struct storage { void *inode; unsigned int value; - /* Lock ensures that spin locked versions of local stoage operations - * also work, most operations in this tests are still single threaded - */ - struct bpf_spin_lock lock; }; /* Fork and exec the provided rm binary and return the exit code of the @@ -66,27 +62,24 @@ static int run_self_unlink(int *monitored_pid, const char *rm_path) static bool check_syscall_operations(int map_fd, int obj_fd) { - struct storage val = { .value = TEST_STORAGE_VALUE, .lock = { 0 } }, - lookup_val = { .value = 0, .lock = { 0 } }; + struct storage val = { .value = TEST_STORAGE_VALUE }, + lookup_val = { .value = 0 }; int err; /* Looking up an existing element should fail initially */ - err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, - BPF_F_LOCK); + err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0); if (CHECK(!err || errno != ENOENT, "bpf_map_lookup_elem", "err:%d errno:%d\n", err, errno)) return false; /* Create a new element */ - err = bpf_map_update_elem(map_fd, &obj_fd, &val, - BPF_NOEXIST | BPF_F_LOCK); + err = bpf_map_update_elem(map_fd, &obj_fd, &val, BPF_NOEXIST); if (CHECK(err < 0, "bpf_map_update_elem", "err:%d errno:%d\n", err, errno)) return false; /* Lookup the newly created element */ - err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, - BPF_F_LOCK); + err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0); if (CHECK(err < 0, "bpf_map_lookup_elem", "err:%d errno:%d", err, errno)) return false; @@ -102,8 +95,7 @@ static bool check_syscall_operations(int map_fd, int obj_fd) return false; /* The lookup should fail, now that the element has been deleted */ - err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, - BPF_F_LOCK); + err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0); if (CHECK(!err || errno != ENOENT, "bpf_map_lookup_elem", "err:%d errno:%d\n", err, errno)) return false; diff --git a/tools/testing/selftests/bpf/prog_tests/test_overhead.c b/tools/testing/selftests/bpf/prog_tests/test_overhead.c index 123c68c1917d..05acb376f74d 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_overhead.c +++ b/tools/testing/selftests/bpf/prog_tests/test_overhead.c @@ -56,11 +56,11 @@ static void setaffinity(void) void test_test_overhead(void) { - const char *kprobe_name = "kprobe/__set_task_comm"; - const char *kretprobe_name = "kretprobe/__set_task_comm"; - const char *raw_tp_name = "raw_tp/task_rename"; - const char *fentry_name = "fentry/__set_task_comm"; - const char *fexit_name = "fexit/__set_task_comm"; + const char *kprobe_name = "prog1"; + const char *kretprobe_name = "prog2"; + const char *raw_tp_name = "prog3"; + const char *fentry_name = "prog4"; + const char *fexit_name = "prog5"; const char *kprobe_func = "__set_task_comm"; struct bpf_program *kprobe_prog, *kretprobe_prog, *raw_tp_prog; struct bpf_program *fentry_prog, *fexit_prog; @@ -76,23 +76,23 @@ void test_test_overhead(void) if (!ASSERT_OK_PTR(obj, "obj_open_file")) return; - kprobe_prog = bpf_object__find_program_by_title(obj, kprobe_name); + kprobe_prog = bpf_object__find_program_by_name(obj, kprobe_name); if (CHECK(!kprobe_prog, "find_probe", "prog '%s' not found\n", kprobe_name)) goto cleanup; - kretprobe_prog = bpf_object__find_program_by_title(obj, kretprobe_name); + kretprobe_prog = bpf_object__find_program_by_name(obj, kretprobe_name); if (CHECK(!kretprobe_prog, "find_probe", "prog '%s' not found\n", kretprobe_name)) goto cleanup; - raw_tp_prog = bpf_object__find_program_by_title(obj, raw_tp_name); + raw_tp_prog = bpf_object__find_program_by_name(obj, raw_tp_name); if (CHECK(!raw_tp_prog, "find_probe", "prog '%s' not found\n", raw_tp_name)) goto cleanup; - fentry_prog = bpf_object__find_program_by_title(obj, fentry_name); + fentry_prog = bpf_object__find_program_by_name(obj, fentry_name); if (CHECK(!fentry_prog, "find_probe", "prog '%s' not found\n", fentry_name)) goto cleanup; - fexit_prog = bpf_object__find_program_by_title(obj, fexit_name); + fexit_prog = bpf_object__find_program_by_name(obj, fexit_name); if (CHECK(!fexit_prog, "find_probe", "prog '%s' not found\n", fexit_name)) goto cleanup; diff --git a/tools/testing/selftests/bpf/prog_tests/test_strncmp.c b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c new file mode 100644 index 000000000000..b57a3009465f --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021. Huawei Technologies Co., Ltd */ +#include <test_progs.h> +#include "strncmp_test.skel.h" + +static int trigger_strncmp(const struct strncmp_test *skel) +{ + int cmp; + + usleep(1); + + cmp = skel->bss->cmp_ret; + if (cmp > 0) + return 1; + if (cmp < 0) + return -1; + return 0; +} + +/* + * Compare str and target after making str[i] != target[i]. + * When exp is -1, make str[i] < target[i] and delta = -1. + */ +static void strncmp_full_str_cmp(struct strncmp_test *skel, const char *name, + int exp) +{ + size_t nr = sizeof(skel->bss->str); + char *str = skel->bss->str; + int delta = exp; + int got; + size_t i; + + memcpy(str, skel->rodata->target, nr); + for (i = 0; i < nr - 1; i++) { + str[i] += delta; + + got = trigger_strncmp(skel); + ASSERT_EQ(got, exp, name); + + str[i] -= delta; + } +} + +static void test_strncmp_ret(void) +{ + struct strncmp_test *skel; + struct bpf_program *prog; + int err, got; + + skel = strncmp_test__open(); + if (!ASSERT_OK_PTR(skel, "strncmp_test open")) + return; + + bpf_object__for_each_program(prog, skel->obj) + bpf_program__set_autoload(prog, false); + + bpf_program__set_autoload(skel->progs.do_strncmp, true); + + err = strncmp_test__load(skel); + if (!ASSERT_EQ(err, 0, "strncmp_test load")) + goto out; + + err = strncmp_test__attach(skel); + if (!ASSERT_EQ(err, 0, "strncmp_test attach")) + goto out; + + skel->bss->target_pid = getpid(); + + /* Empty str */ + skel->bss->str[0] = '\0'; + got = trigger_strncmp(skel); + ASSERT_EQ(got, -1, "strncmp: empty str"); + + /* Same string */ + memcpy(skel->bss->str, skel->rodata->target, sizeof(skel->bss->str)); + got = trigger_strncmp(skel); + ASSERT_EQ(got, 0, "strncmp: same str"); + + /* Not-null-termainted string */ + memcpy(skel->bss->str, skel->rodata->target, sizeof(skel->bss->str)); + skel->bss->str[sizeof(skel->bss->str) - 1] = 'A'; + got = trigger_strncmp(skel); + ASSERT_EQ(got, 1, "strncmp: not-null-term str"); + + strncmp_full_str_cmp(skel, "strncmp: less than", -1); + strncmp_full_str_cmp(skel, "strncmp: greater than", 1); +out: + strncmp_test__destroy(skel); +} + +static void test_strncmp_bad_not_const_str_size(void) +{ + struct strncmp_test *skel; + struct bpf_program *prog; + int err; + + skel = strncmp_test__open(); + if (!ASSERT_OK_PTR(skel, "strncmp_test open")) + return; + + bpf_object__for_each_program(prog, skel->obj) + bpf_program__set_autoload(prog, false); + + bpf_program__set_autoload(skel->progs.strncmp_bad_not_const_str_size, + true); + + err = strncmp_test__load(skel); + ASSERT_ERR(err, "strncmp_test load bad_not_const_str_size"); + + strncmp_test__destroy(skel); +} + +static void test_strncmp_bad_writable_target(void) +{ + struct strncmp_test *skel; + struct bpf_program *prog; + int err; + + skel = strncmp_test__open(); + if (!ASSERT_OK_PTR(skel, "strncmp_test open")) + return; + + bpf_object__for_each_program(prog, skel->obj) + bpf_program__set_autoload(prog, false); + + bpf_program__set_autoload(skel->progs.strncmp_bad_writable_target, + true); + + err = strncmp_test__load(skel); + ASSERT_ERR(err, "strncmp_test load bad_writable_target"); + + strncmp_test__destroy(skel); +} + +static void test_strncmp_bad_not_null_term_target(void) +{ + struct strncmp_test *skel; + struct bpf_program *prog; + int err; + + skel = strncmp_test__open(); + if (!ASSERT_OK_PTR(skel, "strncmp_test open")) + return; + + bpf_object__for_each_program(prog, skel->obj) + bpf_program__set_autoload(prog, false); + + bpf_program__set_autoload(skel->progs.strncmp_bad_not_null_term_target, + true); + + err = strncmp_test__load(skel); + ASSERT_ERR(err, "strncmp_test load bad_not_null_term_target"); + + strncmp_test__destroy(skel); +} + +void test_test_strncmp(void) +{ + if (test__start_subtest("strncmp_ret")) + test_strncmp_ret(); + if (test__start_subtest("strncmp_bad_not_const_str_size")) + test_strncmp_bad_not_const_str_size(); + if (test__start_subtest("strncmp_bad_writable_target")) + test_strncmp_bad_writable_target(); + if (test__start_subtest("strncmp_bad_not_null_term_target")) + test_strncmp_bad_not_null_term_target(); +} diff --git a/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c index 8652d0a46c87..39e79291c82b 100644 --- a/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c +++ b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c @@ -35,7 +35,7 @@ void serial_test_tp_attach_query(void) query = malloc(sizeof(*query) + sizeof(__u32) * num_progs); for (i = 0; i < num_progs; i++) { - err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj[i], + err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj[i], &prog_fd[i]); if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno)) goto cleanup1; diff --git a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c index fc146671b20a..9c795ee52b7b 100644 --- a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c +++ b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c @@ -35,7 +35,7 @@ static struct bpf_link *load(struct bpf_object *obj, const char *name) struct bpf_program *prog; int duration = 0; - prog = bpf_object__find_program_by_title(obj, name); + prog = bpf_object__find_program_by_name(obj, name); if (CHECK(!prog, "find_probe", "prog '%s' not found\n", name)) return ERR_PTR(-EINVAL); return bpf_program__attach_trace(prog); @@ -44,8 +44,8 @@ static struct bpf_link *load(struct bpf_object *obj, const char *name) /* TODO: use different target function to run in concurrent mode */ void serial_test_trampoline_count(void) { - const char *fentry_name = "fentry/__set_task_comm"; - const char *fexit_name = "fexit/__set_task_comm"; + const char *fentry_name = "prog1"; + const char *fexit_name = "prog2"; const char *object = "test_trampoline_count.o"; struct inst inst[MAX_TRAMP_PROGS] = {}; int err, i = 0, duration = 0; diff --git a/tools/testing/selftests/bpf/prog_tests/xdp.c b/tools/testing/selftests/bpf/prog_tests/xdp.c index 48921ff74850..ac65456b7ab8 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp.c @@ -11,12 +11,12 @@ void test_xdp(void) const char *file = "./test_xdp.o"; struct bpf_object *obj; char buf[128]; - struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr); - struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); + struct ipv6hdr iph6; + struct iphdr iph; __u32 duration, retval, size; int err, prog_fd, map_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -28,16 +28,17 @@ void test_xdp(void) err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), buf, &size, &retval, &duration); - + memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph)); CHECK(err || retval != XDP_TX || size != 74 || - iph->protocol != IPPROTO_IPIP, "ipv4", + iph.protocol != IPPROTO_IPIP, "ipv4", "err %d errno %d retval %d size %d\n", err, errno, retval, size); err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6), buf, &size, &retval, &duration); + memcpy(&iph6, buf + sizeof(struct ethhdr), sizeof(iph6)); CHECK(err || retval != XDP_TX || size != 114 || - iph6->nexthdr != IPPROTO_IPV6, "ipv6", + iph6.nexthdr != IPPROTO_IPV6, "ipv6", "err %d errno %d retval %d size %d\n", err, errno, retval, size); out: diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c index f529e3c923ae..3f5a17c38be5 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c @@ -10,7 +10,7 @@ static void test_xdp_adjust_tail_shrink(void) int err, prog_fd; char buf[128]; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -38,7 +38,7 @@ static void test_xdp_adjust_tail_grow(void) __u32 duration, retval, size, expect_sz; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; @@ -75,7 +75,7 @@ static void test_xdp_adjust_tail_grow2(void) .data_size_out = 0, /* Per test */ }; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd); if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_attach.c index 4c4057262cd8..c6fa390e3aa1 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_attach.c @@ -16,7 +16,7 @@ void serial_test_xdp_attach(void) len = sizeof(info); - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj1, &fd1); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj1, &fd1); if (CHECK_FAIL(err)) return; err = bpf_obj_get_info_by_fd(fd1, &info, &len); @@ -24,7 +24,7 @@ void serial_test_xdp_attach(void) goto out_1; id1 = info.id; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj2, &fd2); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj2, &fd2); if (CHECK_FAIL(err)) goto out_1; @@ -34,7 +34,7 @@ void serial_test_xdp_attach(void) goto out_2; id2 = info.id; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj3, &fd3); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj3, &fd3); if (CHECK_FAIL(err)) goto out_2; diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c index faa22b84f2ee..5e3a26b15ec6 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c @@ -218,9 +218,9 @@ static int send_udp_packets(int vary_dst_ip) .h_dest = BOND2_MAC, .h_proto = htons(ETH_P_IP), }; - uint8_t buf[128] = {}; - struct iphdr *iph = (struct iphdr *)(buf + sizeof(eh)); - struct udphdr *uh = (struct udphdr *)(buf + sizeof(eh) + sizeof(*iph)); + struct iphdr iph = {}; + struct udphdr uh = {}; + uint8_t buf[128]; int i, s = -1; int ifindex; @@ -232,17 +232,16 @@ static int send_udp_packets(int vary_dst_ip) if (!ASSERT_GT(ifindex, 0, "get bond1 ifindex")) goto err; - memcpy(buf, &eh, sizeof(eh)); - iph->ihl = 5; - iph->version = 4; - iph->tos = 16; - iph->id = 1; - iph->ttl = 64; - iph->protocol = IPPROTO_UDP; - iph->saddr = 1; - iph->daddr = 2; - iph->tot_len = htons(sizeof(buf) - ETH_HLEN); - iph->check = 0; + iph.ihl = 5; + iph.version = 4; + iph.tos = 16; + iph.id = 1; + iph.ttl = 64; + iph.protocol = IPPROTO_UDP; + iph.saddr = 1; + iph.daddr = 2; + iph.tot_len = htons(sizeof(buf) - ETH_HLEN); + iph.check = 0; for (i = 1; i <= NPACKETS; i++) { int n; @@ -253,10 +252,15 @@ static int send_udp_packets(int vary_dst_ip) }; /* vary the UDP destination port for even distribution with roundrobin/xor modes */ - uh->dest++; + uh.dest++; if (vary_dst_ip) - iph->daddr++; + iph.daddr++; + + /* construct a packet */ + memcpy(buf, &eh, sizeof(eh)); + memcpy(buf + sizeof(eh), &iph, sizeof(iph)); + memcpy(buf + sizeof(eh) + sizeof(iph), &uh, sizeof(uh)); n = sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&saddr_ll, sizeof(saddr_ll)); if (!ASSERT_EQ(n, sizeof(buf), "sendto")) diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c index 3bd5904b4db5..c98a897ad692 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c @@ -42,14 +42,13 @@ void test_xdp_bpf2bpf(void) char buf[128]; int err, pkt_fd, map_fd; bool passed = false; - struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); + struct iphdr iph; struct iptnl_info value4 = {.family = AF_INET}; struct test_xdp *pkt_skel = NULL; struct test_xdp_bpf2bpf *ftrace_skel = NULL; struct vip key4 = {.protocol = 6, .family = AF_INET}; struct bpf_program *prog; struct perf_buffer *pb = NULL; - struct perf_buffer_opts pb_opts = {}; /* Load XDP program to introspect */ pkt_skel = test_xdp__open_and_load(); @@ -86,19 +85,17 @@ void test_xdp_bpf2bpf(void) goto out; /* Set up perf buffer */ - pb_opts.sample_cb = on_sample; - pb_opts.ctx = &passed; - pb = perf_buffer__new(bpf_map__fd(ftrace_skel->maps.perf_buf_map), - 1, &pb_opts); + pb = perf_buffer__new(bpf_map__fd(ftrace_skel->maps.perf_buf_map), 1, + on_sample, NULL, &passed, NULL); if (!ASSERT_OK_PTR(pb, "perf_buf__new")) goto out; /* Run test program */ err = bpf_prog_test_run(pkt_fd, 1, &pkt_v4, sizeof(pkt_v4), buf, &size, &retval, &duration); - + memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph)); if (CHECK(err || retval != XDP_TX || size != 74 || - iph->protocol != IPPROTO_IPIP, "ipv4", + iph.protocol != IPPROTO_IPIP, "ipv4", "err %d errno %d retval %d size %d\n", err, errno, retval, size)) goto out; diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_info.c b/tools/testing/selftests/bpf/prog_tests/xdp_info.c index 4e2a4fd56f67..abe48e82e1dc 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_info.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_info.c @@ -29,7 +29,7 @@ void serial_test_xdp_info(void) /* Setup prog */ - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_perf.c b/tools/testing/selftests/bpf/prog_tests/xdp_perf.c index 7185bee16fe4..15a3900e4370 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_perf.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_perf.c @@ -9,7 +9,7 @@ void test_xdp_perf(void) char in[128], out[128]; int err, prog_fd; - err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); + err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); if (CHECK_FAIL(err)) return; diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c index 94423902685d..c21e3f545371 100644 --- a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c +++ b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c @@ -49,7 +49,7 @@ int dump_unix(struct bpf_iter__unix *ctx) sock_i_ino(sk)); if (unix_sk->addr) { - if (!UNIX_ABSTRACT(unix_sk)) { + if (unix_sk->addr->name->sun_path[0]) { BPF_SEQ_PRINTF(seq, " %s", unix_sk->addr->name->sun_path); } else { /* The name of the abstract UNIX domain socket starts diff --git a/tools/testing/selftests/bpf/progs/bpf_loop.c b/tools/testing/selftests/bpf/progs/bpf_loop.c new file mode 100644 index 000000000000..12349e4601e8 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_loop.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> + +char _license[] SEC("license") = "GPL"; + +struct callback_ctx { + int output; +}; + +/* These should be set by the user program */ +u32 nested_callback_nr_loops; +u32 stop_index = -1; +u32 nr_loops; +int pid; + +/* Making these global variables so that the userspace program + * can verify the output through the skeleton + */ +int nr_loops_returned; +int g_output; +int err; + +static int callback(__u32 index, void *data) +{ + struct callback_ctx *ctx = data; + + if (index >= stop_index) + return 1; + + ctx->output += index; + + return 0; +} + +static int empty_callback(__u32 index, void *data) +{ + return 0; +} + +static int nested_callback2(__u32 index, void *data) +{ + nr_loops_returned += bpf_loop(nested_callback_nr_loops, callback, data, 0); + + return 0; +} + +static int nested_callback1(__u32 index, void *data) +{ + bpf_loop(nested_callback_nr_loops, nested_callback2, data, 0); + return 0; +} + +SEC("fentry/__x64_sys_nanosleep") +int test_prog(void *ctx) +{ + struct callback_ctx data = {}; + + if (bpf_get_current_pid_tgid() >> 32 != pid) + return 0; + + nr_loops_returned = bpf_loop(nr_loops, callback, &data, 0); + + if (nr_loops_returned < 0) + err = nr_loops_returned; + else + g_output = data.output; + + return 0; +} + +SEC("fentry/__x64_sys_nanosleep") +int prog_null_ctx(void *ctx) +{ + if (bpf_get_current_pid_tgid() >> 32 != pid) + return 0; + + nr_loops_returned = bpf_loop(nr_loops, empty_callback, NULL, 0); + + return 0; +} + +SEC("fentry/__x64_sys_nanosleep") +int prog_invalid_flags(void *ctx) +{ + struct callback_ctx data = {}; + + if (bpf_get_current_pid_tgid() >> 32 != pid) + return 0; + + err = bpf_loop(nr_loops, callback, &data, 1); + + return 0; +} + +SEC("fentry/__x64_sys_nanosleep") +int prog_nested_calls(void *ctx) +{ + struct callback_ctx data = {}; + + if (bpf_get_current_pid_tgid() >> 32 != pid) + return 0; + + nr_loops_returned = 0; + bpf_loop(nr_loops, nested_callback1, &data, 0); + + g_output = data.output; + + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/bpf_loop_bench.c b/tools/testing/selftests/bpf/progs/bpf_loop_bench.c new file mode 100644 index 000000000000..9dafdc244462 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_loop_bench.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> + +char _license[] SEC("license") = "GPL"; + +u32 nr_loops; +long hits; + +static int empty_callback(__u32 index, void *data) +{ + return 0; +} + +SEC("fentry/__x64_sys_getpgid") +int benchmark(void *ctx) +{ + for (int i = 0; i < 1000; i++) { + bpf_loop(nr_loops, empty_callback, NULL, 0); + + __sync_add_and_fetch(&hits, nr_loops); + } + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h index eef5646ddb19..e0f42601be9b 100644 --- a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h +++ b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h @@ -6,8 +6,6 @@ #define AF_INET6 10 #define __SO_ACCEPTCON (1 << 16) -#define UNIX_HASH_SIZE 256 -#define UNIX_ABSTRACT(unix_sk) (unix_sk->addr->hash < UNIX_HASH_SIZE) #define SOL_TCP 6 #define TCP_CONGESTION 13 diff --git a/tools/testing/selftests/bpf/progs/tag.c b/tools/testing/selftests/bpf/progs/btf_decl_tag.c index 1792f4eda095..c88ccc53529a 100644 --- a/tools/testing/selftests/bpf/progs/tag.c +++ b/tools/testing/selftests/bpf/progs/btf_decl_tag.c @@ -4,10 +4,6 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> -#ifndef __has_attribute -#define __has_attribute(x) 0 -#endif - #if __has_attribute(btf_decl_tag) #define __tag1 __attribute__((btf_decl_tag("tag1"))) #define __tag2 __attribute__((btf_decl_tag("tag2"))) diff --git a/tools/testing/selftests/bpf/progs/btf_type_tag.c b/tools/testing/selftests/bpf/progs/btf_type_tag.c new file mode 100644 index 000000000000..1d488da7e920 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/btf_type_tag.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +#if __has_attribute(btf_type_tag) +#define __tag1 __attribute__((btf_type_tag("tag1"))) +#define __tag2 __attribute__((btf_type_tag("tag2"))) +volatile const bool skip_tests = false; +#else +#define __tag1 +#define __tag2 +volatile const bool skip_tests = true; +#endif + +struct btf_type_tag_test { + int __tag1 * __tag1 __tag2 *p; +} g; + +SEC("fentry/bpf_fentry_test1") +int BPF_PROG(sub, int x) +{ + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/core_kern.c b/tools/testing/selftests/bpf/progs/core_kern.c new file mode 100644 index 000000000000..13499cc15c7d --- /dev/null +++ b/tools/testing/selftests/bpf/progs/core_kern.c @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" + +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> +#include <bpf/bpf_core_read.h> + +#define ATTR __always_inline +#include "test_jhash.h" + +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __type(key, u32); + __type(value, u32); + __uint(max_entries, 256); +} array1 SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __type(key, u32); + __type(value, u32); + __uint(max_entries, 256); +} array2 SEC(".maps"); + +static __noinline int randmap(int v, const struct net_device *dev) +{ + struct bpf_map *map = (struct bpf_map *)&array1; + int key = bpf_get_prandom_u32() & 0xff; + int *val; + + if (bpf_get_prandom_u32() & 1) + map = (struct bpf_map *)&array2; + + val = bpf_map_lookup_elem(map, &key); + if (val) + *val = bpf_get_prandom_u32() + v + dev->mtu; + + return 0; +} + +SEC("tp_btf/xdp_devmap_xmit") +int BPF_PROG(tp_xdp_devmap_xmit_multi, const struct net_device + *from_dev, const struct net_device *to_dev, int sent, int drops, + int err) +{ + return randmap(from_dev->ifindex, from_dev); +} + +SEC("fentry/eth_type_trans") +int BPF_PROG(fentry_eth_type_trans, struct sk_buff *skb, + struct net_device *dev, unsigned short protocol) +{ + return randmap(dev->ifindex + skb->len, dev); +} + +SEC("fexit/eth_type_trans") +int BPF_PROG(fexit_eth_type_trans, struct sk_buff *skb, + struct net_device *dev, unsigned short protocol) +{ + return randmap(dev->ifindex + skb->len, dev); +} + +volatile const int never; + +struct __sk_bUfF /* it will not exist in vmlinux */ { + int len; +} __attribute__((preserve_access_index)); + +struct bpf_testmod_test_read_ctx /* it exists in bpf_testmod */ { + size_t len; +} __attribute__((preserve_access_index)); + +SEC("tc") +int balancer_ingress(struct __sk_buff *ctx) +{ + void *data_end = (void *)(long)ctx->data_end; + void *data = (void *)(long)ctx->data; + void *ptr; + int ret = 0, nh_off, i = 0; + + nh_off = 14; + + /* pragma unroll doesn't work on large loops */ +#define C do { \ + ptr = data + i; \ + if (ptr + nh_off > data_end) \ + break; \ + ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \ + if (never) { \ + /* below is a dead code with unresolvable CO-RE relo */ \ + i += ((struct __sk_bUfF *)ctx)->len; \ + /* this CO-RE relo may or may not resolve + * depending on whether bpf_testmod is loaded. + */ \ + i += ((struct bpf_testmod_test_read_ctx *)ctx)->len; \ + } \ + } while (0); +#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C; + C30;C30;C30; /* 90 calls */ + return 0; +} + +char LICENSE[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/exhandler_kern.c b/tools/testing/selftests/bpf/progs/exhandler_kern.c new file mode 100644 index 000000000000..f5ca142abf8f --- /dev/null +++ b/tools/testing/selftests/bpf/progs/exhandler_kern.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021, Oracle and/or its affiliates. */ + +#include "vmlinux.h" + +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> +#include <bpf/bpf_core_read.h> + +char _license[] SEC("license") = "GPL"; + +unsigned int exception_triggered; +int test_pid; + +/* TRACE_EVENT(task_newtask, + * TP_PROTO(struct task_struct *p, u64 clone_flags) + */ +SEC("tp_btf/task_newtask") +int BPF_PROG(trace_task_newtask, struct task_struct *task, u64 clone_flags) +{ + int pid = bpf_get_current_pid_tgid() >> 32; + struct callback_head *work; + void *func; + + if (test_pid != pid) + return 0; + + /* To verify we hit an exception we dereference task->task_works->func. + * If task work has been added, + * - task->task_works is non-NULL; and + * - task->task_works->func is non-NULL also (the callback function + * must be specified for the task work. + * + * However, for a newly-created task, task->task_works is NULLed, + * so we know the exception handler triggered if task_works is + * NULL and func is NULL. + */ + work = task->task_works; + func = work->func; + if (!work && !func) + exception_triggered++; + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c index 49a84a3a2306..48cd14b43741 100644 --- a/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c +++ b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c @@ -73,7 +73,7 @@ int test_subprog2(struct args_subprog2 *ctx) __builtin_preserve_access_index(&skb->len)); ret = ctx->ret; - /* bpf_prog_load() loads "test_pkt_access.o" with BPF_F_TEST_RND_HI32 + /* bpf_prog_test_load() loads "test_pkt_access.o" with BPF_F_TEST_RND_HI32 * which randomizes upper 32 bits after BPF_ALU32 insns. * Hence after 'w0 <<= 1' upper bits of $rax are random. * That is expected and correct. Trim them. diff --git a/tools/testing/selftests/bpf/progs/find_vma.c b/tools/testing/selftests/bpf/progs/find_vma.c new file mode 100644 index 000000000000..38034fb82530 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/find_vma.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +char _license[] SEC("license") = "GPL"; + +struct callback_ctx { + int dummy; +}; + +#define VM_EXEC 0x00000004 +#define DNAME_INLINE_LEN 32 + +pid_t target_pid = 0; +char d_iname[DNAME_INLINE_LEN] = {0}; +__u32 found_vm_exec = 0; +__u64 addr = 0; +int find_zero_ret = -1; +int find_addr_ret = -1; + +static long check_vma(struct task_struct *task, struct vm_area_struct *vma, + struct callback_ctx *data) +{ + if (vma->vm_file) + bpf_probe_read_kernel_str(d_iname, DNAME_INLINE_LEN - 1, + vma->vm_file->f_path.dentry->d_iname); + + /* check for VM_EXEC */ + if (vma->vm_flags & VM_EXEC) + found_vm_exec = 1; + + return 0; +} + +SEC("raw_tp/sys_enter") +int handle_getpid(void) +{ + struct task_struct *task = bpf_get_current_task_btf(); + struct callback_ctx data = {}; + + if (task->pid != target_pid) + return 0; + + find_addr_ret = bpf_find_vma(task, addr, check_vma, &data, 0); + + /* this should return -ENOENT */ + find_zero_ret = bpf_find_vma(task, 0, check_vma, &data, 0); + return 0; +} + +SEC("perf_event") +int handle_pe(void) +{ + struct task_struct *task = bpf_get_current_task_btf(); + struct callback_ctx data = {}; + + if (task->pid != target_pid) + return 0; + + find_addr_ret = bpf_find_vma(task, addr, check_vma, &data, 0); + + /* In NMI, this should return -EBUSY, as the previous call is using + * the irq_work. + */ + find_zero_ret = bpf_find_vma(task, 0, check_vma, &data, 0); + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/find_vma_fail1.c b/tools/testing/selftests/bpf/progs/find_vma_fail1.c new file mode 100644 index 000000000000..b3b326b8e2d1 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/find_vma_fail1.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> + +char _license[] SEC("license") = "GPL"; + +struct callback_ctx { + int dummy; +}; + +static long write_vma(struct task_struct *task, struct vm_area_struct *vma, + struct callback_ctx *data) +{ + /* writing to vma, which is illegal */ + vma->vm_flags |= 0x55; + + return 0; +} + +SEC("raw_tp/sys_enter") +int handle_getpid(void) +{ + struct task_struct *task = bpf_get_current_task_btf(); + struct callback_ctx data = {}; + + bpf_find_vma(task, 0, write_vma, &data, 0); + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/find_vma_fail2.c b/tools/testing/selftests/bpf/progs/find_vma_fail2.c new file mode 100644 index 000000000000..9bcf3203e26b --- /dev/null +++ b/tools/testing/selftests/bpf/progs/find_vma_fail2.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> + +char _license[] SEC("license") = "GPL"; + +struct callback_ctx { + int dummy; +}; + +static long write_task(struct task_struct *task, struct vm_area_struct *vma, + struct callback_ctx *data) +{ + /* writing to task, which is illegal */ + task->mm = NULL; + + return 0; +} + +SEC("raw_tp/sys_enter") +int handle_getpid(void) +{ + struct task_struct *task = bpf_get_current_task_btf(); + struct callback_ctx data = {}; + + bpf_find_vma(task, 0, write_task, &data, 0); + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/get_func_args_test.c b/tools/testing/selftests/bpf/progs/get_func_args_test.c new file mode 100644 index 000000000000..e0f34a55e697 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/get_func_args_test.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> +#include <errno.h> + +char _license[] SEC("license") = "GPL"; + +__u64 test1_result = 0; +SEC("fentry/bpf_fentry_test1") +int BPF_PROG(test1) +{ + __u64 cnt = bpf_get_func_arg_cnt(ctx); + __u64 a = 0, z = 0, ret = 0; + __s64 err; + + test1_result = cnt == 1; + + /* valid arguments */ + err = bpf_get_func_arg(ctx, 0, &a); + + /* We need to cast access to traced function argument values with + * proper type cast, because trampoline uses type specific instruction + * to save it, like for 'int a' with 32-bit mov like: + * + * mov %edi,-0x8(%rbp) + * + * so the upper 4 bytes are not zeroed. + */ + test1_result &= err == 0 && ((int) a == 1); + + /* not valid argument */ + err = bpf_get_func_arg(ctx, 1, &z); + test1_result &= err == -EINVAL; + + /* return value fails in fentry */ + err = bpf_get_func_ret(ctx, &ret); + test1_result &= err == -EOPNOTSUPP; + return 0; +} + +__u64 test2_result = 0; +SEC("fexit/bpf_fentry_test2") +int BPF_PROG(test2) +{ + __u64 cnt = bpf_get_func_arg_cnt(ctx); + __u64 a = 0, b = 0, z = 0, ret = 0; + __s64 err; + + test2_result = cnt == 2; + + /* valid arguments */ + err = bpf_get_func_arg(ctx, 0, &a); + test2_result &= err == 0 && (int) a == 2; + + err = bpf_get_func_arg(ctx, 1, &b); + test2_result &= err == 0 && b == 3; + + /* not valid argument */ + err = bpf_get_func_arg(ctx, 2, &z); + test2_result &= err == -EINVAL; + + /* return value */ + err = bpf_get_func_ret(ctx, &ret); + test2_result &= err == 0 && ret == 5; + return 0; +} + +__u64 test3_result = 0; +SEC("fmod_ret/bpf_modify_return_test") +int BPF_PROG(fmod_ret_test, int _a, int *_b, int _ret) +{ + __u64 cnt = bpf_get_func_arg_cnt(ctx); + __u64 a = 0, b = 0, z = 0, ret = 0; + __s64 err; + + test3_result = cnt == 2; + + /* valid arguments */ + err = bpf_get_func_arg(ctx, 0, &a); + test3_result &= err == 0 && ((int) a == 1); + + err = bpf_get_func_arg(ctx, 1, &b); + test3_result &= err == 0 && ((int *) b == _b); + + /* not valid argument */ + err = bpf_get_func_arg(ctx, 2, &z); + test3_result &= err == -EINVAL; + + /* return value */ + err = bpf_get_func_ret(ctx, &ret); + test3_result &= err == 0 && ret == 0; + + /* change return value, it's checked in fexit_test program */ + return 1234; +} + +__u64 test4_result = 0; +SEC("fexit/bpf_modify_return_test") +int BPF_PROG(fexit_test, int _a, int *_b, int _ret) +{ + __u64 cnt = bpf_get_func_arg_cnt(ctx); + __u64 a = 0, b = 0, z = 0, ret = 0; + __s64 err; + + test4_result = cnt == 2; + + /* valid arguments */ + err = bpf_get_func_arg(ctx, 0, &a); + test4_result &= err == 0 && ((int) a == 1); + + err = bpf_get_func_arg(ctx, 1, &b); + test4_result &= err == 0 && ((int *) b == _b); + + /* not valid argument */ + err = bpf_get_func_arg(ctx, 2, &z); + test4_result &= err == -EINVAL; + + /* return value */ + err = bpf_get_func_ret(ctx, &ret); + test4_result &= err == 0 && ret == 1234; + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/local_storage.c b/tools/testing/selftests/bpf/progs/local_storage.c index 95868bc7ada9..9b1f9b75d5c2 100644 --- a/tools/testing/selftests/bpf/progs/local_storage.c +++ b/tools/testing/selftests/bpf/progs/local_storage.c @@ -20,7 +20,6 @@ int sk_storage_result = -1; struct local_storage { struct inode *exec_inode; __u32 value; - struct bpf_spin_lock lock; }; struct { @@ -58,9 +57,7 @@ int BPF_PROG(unlink_hook, struct inode *dir, struct dentry *victim) bpf_get_current_task_btf(), 0, 0); if (storage) { /* Don't let an executable delete itself */ - bpf_spin_lock(&storage->lock); is_self_unlink = storage->exec_inode == victim->d_inode; - bpf_spin_unlock(&storage->lock); if (is_self_unlink) return -EPERM; } @@ -68,7 +65,7 @@ int BPF_PROG(unlink_hook, struct inode *dir, struct dentry *victim) return 0; } -SEC("lsm/inode_rename") +SEC("lsm.s/inode_rename") int BPF_PROG(inode_rename, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) @@ -89,10 +86,8 @@ int BPF_PROG(inode_rename, struct inode *old_dir, struct dentry *old_dentry, if (!storage) return 0; - bpf_spin_lock(&storage->lock); if (storage->value != DUMMY_STORAGE_VALUE) inode_storage_result = -1; - bpf_spin_unlock(&storage->lock); err = bpf_inode_storage_delete(&inode_storage_map, old_dentry->d_inode); if (!err) @@ -101,7 +96,7 @@ int BPF_PROG(inode_rename, struct inode *old_dir, struct dentry *old_dentry, return 0; } -SEC("lsm/socket_bind") +SEC("lsm.s/socket_bind") int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address, int addrlen) { @@ -117,10 +112,8 @@ int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address, if (!storage) return 0; - bpf_spin_lock(&storage->lock); if (storage->value != DUMMY_STORAGE_VALUE) sk_storage_result = -1; - bpf_spin_unlock(&storage->lock); err = bpf_sk_storage_delete(&sk_storage_map, sock->sk); if (!err) @@ -129,7 +122,7 @@ int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address, return 0; } -SEC("lsm/socket_post_create") +SEC("lsm.s/socket_post_create") int BPF_PROG(socket_post_create, struct socket *sock, int family, int type, int protocol, int kern) { @@ -144,9 +137,7 @@ int BPF_PROG(socket_post_create, struct socket *sock, int family, int type, if (!storage) return 0; - bpf_spin_lock(&storage->lock); storage->value = DUMMY_STORAGE_VALUE; - bpf_spin_unlock(&storage->lock); return 0; } @@ -154,7 +145,7 @@ int BPF_PROG(socket_post_create, struct socket *sock, int family, int type, /* This uses the local storage to remember the inode of the binary that a * process was originally executing. */ -SEC("lsm/bprm_committed_creds") +SEC("lsm.s/bprm_committed_creds") void BPF_PROG(exec, struct linux_binprm *bprm) { __u32 pid = bpf_get_current_pid_tgid() >> 32; @@ -166,18 +157,13 @@ void BPF_PROG(exec, struct linux_binprm *bprm) storage = bpf_task_storage_get(&task_storage_map, bpf_get_current_task_btf(), 0, BPF_LOCAL_STORAGE_GET_F_CREATE); - if (storage) { - bpf_spin_lock(&storage->lock); + if (storage) storage->exec_inode = bprm->file->f_inode; - bpf_spin_unlock(&storage->lock); - } storage = bpf_inode_storage_get(&inode_storage_map, bprm->file->f_inode, 0, BPF_LOCAL_STORAGE_GET_F_CREATE); if (!storage) return; - bpf_spin_lock(&storage->lock); storage->value = DUMMY_STORAGE_VALUE; - bpf_spin_unlock(&storage->lock); } diff --git a/tools/testing/selftests/bpf/progs/loop3.c b/tools/testing/selftests/bpf/progs/loop3.c index 76e93b31c14b..717dab14322b 100644 --- a/tools/testing/selftests/bpf/progs/loop3.c +++ b/tools/testing/selftests/bpf/progs/loop3.c @@ -12,9 +12,9 @@ char _license[] SEC("license") = "GPL"; SEC("raw_tracepoint/consume_skb") -int while_true(volatile struct pt_regs* ctx) +int while_true(struct pt_regs *ctx) { - __u64 i = 0, sum = 0; + volatile __u64 i = 0, sum = 0; do { i++; sum += PT_REGS_RC(ctx); diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c index b1b711d9b214..b64df94ec476 100644 --- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c +++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c @@ -334,9 +334,11 @@ static inline int check_lpm_trie(void) return 1; } +#define INNER_MAX_ENTRIES 1234 + struct inner_map { __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); + __uint(max_entries, INNER_MAX_ENTRIES); __type(key, __u32); __type(value, __u32); } inner_map SEC(".maps"); @@ -348,7 +350,7 @@ struct { __type(value, __u32); __array(values, struct { __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); + __uint(max_entries, INNER_MAX_ENTRIES); __type(key, __u32); __type(value, __u32); }); @@ -360,8 +362,13 @@ static inline int check_array_of_maps(void) { struct bpf_array *array_of_maps = (struct bpf_array *)&m_array_of_maps; struct bpf_map *map = (struct bpf_map *)&m_array_of_maps; + struct bpf_array *inner_map; + int key = 0; VERIFY(check_default(&array_of_maps->map, map)); + inner_map = bpf_map_lookup_elem(array_of_maps, &key); + VERIFY(inner_map != 0); + VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES); return 1; } @@ -382,8 +389,13 @@ static inline int check_hash_of_maps(void) { struct bpf_htab *hash_of_maps = (struct bpf_htab *)&m_hash_of_maps; struct bpf_map *map = (struct bpf_map *)&m_hash_of_maps; + struct bpf_htab *inner_map; + int key = 2; VERIFY(check_default(&hash_of_maps->map, map)); + inner_map = bpf_map_lookup_elem(hash_of_maps, &key); + VERIFY(inner_map != 0); + VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES); return 1; } diff --git a/tools/testing/selftests/bpf/progs/pyperf.h b/tools/testing/selftests/bpf/progs/pyperf.h index 2fb7adafb6b6..1ed28882daf3 100644 --- a/tools/testing/selftests/bpf/progs/pyperf.h +++ b/tools/testing/selftests/bpf/progs/pyperf.h @@ -159,6 +159,59 @@ struct { __uint(value_size, sizeof(long long) * 127); } stackmap SEC(".maps"); +#ifdef USE_BPF_LOOP +struct process_frame_ctx { + int cur_cpu; + int32_t *symbol_counter; + void *frame_ptr; + FrameData *frame; + PidData *pidData; + Symbol *sym; + Event *event; + bool done; +}; + +#define barrier_var(var) asm volatile("" : "=r"(var) : "0"(var)) + +static int process_frame_callback(__u32 i, struct process_frame_ctx *ctx) +{ + int zero = 0; + void *frame_ptr = ctx->frame_ptr; + PidData *pidData = ctx->pidData; + FrameData *frame = ctx->frame; + int32_t *symbol_counter = ctx->symbol_counter; + int cur_cpu = ctx->cur_cpu; + Event *event = ctx->event; + Symbol *sym = ctx->sym; + + if (frame_ptr && get_frame_data(frame_ptr, pidData, frame, sym)) { + int32_t new_symbol_id = *symbol_counter * 64 + cur_cpu; + int32_t *symbol_id = bpf_map_lookup_elem(&symbolmap, sym); + + if (!symbol_id) { + bpf_map_update_elem(&symbolmap, sym, &zero, 0); + symbol_id = bpf_map_lookup_elem(&symbolmap, sym); + if (!symbol_id) { + ctx->done = true; + return 1; + } + } + if (*symbol_id == new_symbol_id) + (*symbol_counter)++; + + barrier_var(i); + if (i >= STACK_MAX_LEN) + return 1; + + event->stack[i] = *symbol_id; + + event->stack_len = i + 1; + frame_ptr = frame->f_back; + } + return 0; +} +#endif /* USE_BPF_LOOP */ + #ifdef GLOBAL_FUNC __noinline #elif defined(SUBPROGS) @@ -228,11 +281,26 @@ int __on_event(struct bpf_raw_tracepoint_args *ctx) int32_t* symbol_counter = bpf_map_lookup_elem(&symbolmap, &sym); if (symbol_counter == NULL) return 0; +#ifdef USE_BPF_LOOP + struct process_frame_ctx ctx = { + .cur_cpu = cur_cpu, + .symbol_counter = symbol_counter, + .frame_ptr = frame_ptr, + .frame = &frame, + .pidData = pidData, + .sym = &sym, + .event = event, + }; + + bpf_loop(STACK_MAX_LEN, process_frame_callback, &ctx, 0); + if (ctx.done) + return 0; +#else #ifdef NO_UNROLL #pragma clang loop unroll(disable) #else #pragma clang loop unroll(full) -#endif +#endif /* NO_UNROLL */ /* Unwind python stack */ for (int i = 0; i < STACK_MAX_LEN; ++i) { if (frame_ptr && get_frame_data(frame_ptr, pidData, &frame, &sym)) { @@ -251,6 +319,7 @@ int __on_event(struct bpf_raw_tracepoint_args *ctx) frame_ptr = frame.f_back; } } +#endif /* USE_BPF_LOOP */ event->stack_complete = frame_ptr == NULL; } else { event->stack_complete = 1; diff --git a/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c b/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c new file mode 100644 index 000000000000..5c2059dc01af --- /dev/null +++ b/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#define STACK_MAX_LEN 600 +#define USE_BPF_LOOP +#include "pyperf.h" diff --git a/tools/testing/selftests/bpf/progs/strncmp_bench.c b/tools/testing/selftests/bpf/progs/strncmp_bench.c new file mode 100644 index 000000000000..18373a7df76e --- /dev/null +++ b/tools/testing/selftests/bpf/progs/strncmp_bench.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021. Huawei Technologies Co., Ltd */ +#include <linux/types.h> +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +#define STRNCMP_STR_SZ 4096 + +/* Will be updated by benchmark before program loading */ +const volatile unsigned int cmp_str_len = 1; +const char target[STRNCMP_STR_SZ]; + +long hits = 0; +char str[STRNCMP_STR_SZ]; + +char _license[] SEC("license") = "GPL"; + +static __always_inline int local_strncmp(const char *s1, unsigned int sz, + const char *s2) +{ + int ret = 0; + unsigned int i; + + for (i = 0; i < sz; i++) { + /* E.g. 0xff > 0x31 */ + ret = (unsigned char)s1[i] - (unsigned char)s2[i]; + if (ret || !s1[i]) + break; + } + + return ret; +} + +SEC("tp/syscalls/sys_enter_getpgid") +int strncmp_no_helper(void *ctx) +{ + if (local_strncmp(str, cmp_str_len + 1, target) < 0) + __sync_add_and_fetch(&hits, 1); + return 0; +} + +SEC("tp/syscalls/sys_enter_getpgid") +int strncmp_helper(void *ctx) +{ + if (bpf_strncmp(str, cmp_str_len + 1, target) < 0) + __sync_add_and_fetch(&hits, 1); + return 0; +} + diff --git a/tools/testing/selftests/bpf/progs/strncmp_test.c b/tools/testing/selftests/bpf/progs/strncmp_test.c new file mode 100644 index 000000000000..900d930d48a8 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/strncmp_test.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021. Huawei Technologies Co., Ltd */ +#include <stdbool.h> +#include <linux/types.h> +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +#define STRNCMP_STR_SZ 8 + +const char target[STRNCMP_STR_SZ] = "EEEEEEE"; +char str[STRNCMP_STR_SZ]; +int cmp_ret = 0; +int target_pid = 0; + +const char no_str_target[STRNCMP_STR_SZ] = "12345678"; +char writable_target[STRNCMP_STR_SZ]; +unsigned int no_const_str_size = STRNCMP_STR_SZ; + +char _license[] SEC("license") = "GPL"; + +SEC("tp/syscalls/sys_enter_nanosleep") +int do_strncmp(void *ctx) +{ + if ((bpf_get_current_pid_tgid() >> 32) != target_pid) + return 0; + + cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, target); + return 0; +} + +SEC("tp/syscalls/sys_enter_nanosleep") +int strncmp_bad_not_const_str_size(void *ctx) +{ + /* The value of string size is not const, so will fail */ + cmp_ret = bpf_strncmp(str, no_const_str_size, target); + return 0; +} + +SEC("tp/syscalls/sys_enter_nanosleep") +int strncmp_bad_writable_target(void *ctx) +{ + /* Compared target is not read-only, so will fail */ + cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, writable_target); + return 0; +} + +SEC("tp/syscalls/sys_enter_nanosleep") +int strncmp_bad_not_null_term_target(void *ctx) +{ + /* Compared target is not null-terminated, so will fail */ + cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, no_str_target); + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h index 60c93aee2f4a..753718595c26 100644 --- a/tools/testing/selftests/bpf/progs/strobemeta.h +++ b/tools/testing/selftests/bpf/progs/strobemeta.h @@ -445,6 +445,48 @@ static __always_inline void *read_map_var(struct strobemeta_cfg *cfg, return payload; } +#ifdef USE_BPF_LOOP +enum read_type { + READ_INT_VAR, + READ_MAP_VAR, + READ_STR_VAR, +}; + +struct read_var_ctx { + struct strobemeta_payload *data; + void *tls_base; + struct strobemeta_cfg *cfg; + void *payload; + /* value gets mutated */ + struct strobe_value_generic *value; + enum read_type type; +}; + +static int read_var_callback(__u32 index, struct read_var_ctx *ctx) +{ + switch (ctx->type) { + case READ_INT_VAR: + if (index >= STROBE_MAX_INTS) + return 1; + read_int_var(ctx->cfg, index, ctx->tls_base, ctx->value, ctx->data); + break; + case READ_MAP_VAR: + if (index >= STROBE_MAX_MAPS) + return 1; + ctx->payload = read_map_var(ctx->cfg, index, ctx->tls_base, + ctx->value, ctx->data, ctx->payload); + break; + case READ_STR_VAR: + if (index >= STROBE_MAX_STRS) + return 1; + ctx->payload += read_str_var(ctx->cfg, index, ctx->tls_base, + ctx->value, ctx->data, ctx->payload); + break; + } + return 0; +} +#endif /* USE_BPF_LOOP */ + /* * read_strobe_meta returns NULL, if no metadata was read; otherwise returns * pointer to *right after* payload ends @@ -475,11 +517,36 @@ static void *read_strobe_meta(struct task_struct *task, */ tls_base = (void *)task; +#ifdef USE_BPF_LOOP + struct read_var_ctx ctx = { + .cfg = cfg, + .tls_base = tls_base, + .value = &value, + .data = data, + .payload = payload, + }; + int err; + + ctx.type = READ_INT_VAR; + err = bpf_loop(STROBE_MAX_INTS, read_var_callback, &ctx, 0); + if (err != STROBE_MAX_INTS) + return NULL; + + ctx.type = READ_STR_VAR; + err = bpf_loop(STROBE_MAX_STRS, read_var_callback, &ctx, 0); + if (err != STROBE_MAX_STRS) + return NULL; + + ctx.type = READ_MAP_VAR; + err = bpf_loop(STROBE_MAX_MAPS, read_var_callback, &ctx, 0); + if (err != STROBE_MAX_MAPS) + return NULL; +#else #ifdef NO_UNROLL #pragma clang loop unroll(disable) #else #pragma unroll -#endif +#endif /* NO_UNROLL */ for (int i = 0; i < STROBE_MAX_INTS; ++i) { read_int_var(cfg, i, tls_base, &value, data); } @@ -487,7 +554,7 @@ static void *read_strobe_meta(struct task_struct *task, #pragma clang loop unroll(disable) #else #pragma unroll -#endif +#endif /* NO_UNROLL */ for (int i = 0; i < STROBE_MAX_STRS; ++i) { payload += read_str_var(cfg, i, tls_base, &value, data, payload); } @@ -495,10 +562,12 @@ static void *read_strobe_meta(struct task_struct *task, #pragma clang loop unroll(disable) #else #pragma unroll -#endif +#endif /* NO_UNROLL */ for (int i = 0; i < STROBE_MAX_MAPS; ++i) { payload = read_map_var(cfg, i, tls_base, &value, data, payload); } +#endif /* USE_BPF_LOOP */ + /* * return pointer right after end of payload, so it's possible to * calculate exact amount of useful data that needs to be sent diff --git a/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c b/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c new file mode 100644 index 000000000000..d18b992f0165 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +/* Copyright (c) 2021 Facebook */ + +#define STROBE_MAX_INTS 2 +#define STROBE_MAX_STRS 25 +#define STROBE_MAX_MAPS 100 +#define STROBE_MAX_MAP_ENTRIES 20 +#define USE_BPF_LOOP +#include "strobemeta.h" diff --git a/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c b/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c new file mode 100644 index 000000000000..27c27cff6a3a --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2022 Google */ + +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +extern const int bpf_prog_active __ksym; + +SEC("fentry/security_inode_getattr") +int BPF_PROG(d_path_check_rdonly_mem, struct path *path, struct kstat *stat, + __u32 request_mask, unsigned int query_flags) +{ + void *active; + __u32 cpu; + + cpu = bpf_get_smp_processor_id(); + active = (void *)bpf_per_cpu_ptr(&bpf_prog_active, cpu); + if (active) { + /* FAIL here! 'active' points to readonly memory. bpf helpers + * that update its arguments can not write into it. + */ + bpf_d_path(path, active, sizeof(int)); + } + return 0; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c b/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c new file mode 100644 index 000000000000..2180c41cd890 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Google */ + +#include "vmlinux.h" + +#include <bpf/bpf_helpers.h> + +extern const int bpf_prog_active __ksym; /* int type global var. */ + +SEC("raw_tp/sys_enter") +int handler(const void *ctx) +{ + int *active; + __u32 cpu; + + cpu = bpf_get_smp_processor_id(); + active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, cpu); + if (active) { + /* Kernel memory obtained from bpf_{per,this}_cpu_ptr + * is read-only, should _not_ pass verification. + */ + /* WRITE_ONCE */ + *(volatile int *)active = -1; + } + + return 0; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_weak.c b/tools/testing/selftests/bpf/progs/test_ksyms_weak.c index 8eadbd4caf7a..5f8379aadb29 100644 --- a/tools/testing/selftests/bpf/progs/test_ksyms_weak.c +++ b/tools/testing/selftests/bpf/progs/test_ksyms_weak.c @@ -38,7 +38,7 @@ int pass_handler(const void *ctx) /* tests existing symbols. */ rq = (struct rq *)bpf_per_cpu_ptr(&runqueues, 0); if (rq) - out__existing_typed = 0; + out__existing_typed = rq->cpu; out__existing_typeless = (__u64)&bpf_prog_active; /* tests non-existent symbols. */ diff --git a/tools/testing/selftests/bpf/progs/test_l4lb.c b/tools/testing/selftests/bpf/progs/test_l4lb.c index 04fee08863cb..c26057ec46dc 100644 --- a/tools/testing/selftests/bpf/progs/test_l4lb.c +++ b/tools/testing/selftests/bpf/progs/test_l4lb.c @@ -448,7 +448,7 @@ static __always_inline int process_packet(void *data, __u64 off, void *data_end, return bpf_redirect(ifindex, 0); } -SEC("l4lb-demo") +SEC("tc") int balancer_ingress(struct __sk_buff *ctx) { void *data_end = (void *)(long)ctx->data_end; diff --git a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c index b9e2753f4f91..19e4d2071c60 100644 --- a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c +++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c @@ -447,7 +447,7 @@ static __noinline int process_packet(void *data, __u64 off, void *data_end, return bpf_redirect(ifindex, 0); } -SEC("l4lb-demo") +SEC("tc") int balancer_ingress(struct __sk_buff *ctx) { void *data_end = (void *)(long)ctx->data_end; diff --git a/tools/testing/selftests/bpf/progs/test_legacy_printk.c b/tools/testing/selftests/bpf/progs/test_legacy_printk.c new file mode 100644 index 000000000000..64c2d9ced529 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_legacy_printk.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include <linux/bpf.h> +#define BPF_NO_GLOBAL_DATA +#include <bpf/bpf_helpers.h> + +char LICENSE[] SEC("license") = "GPL"; + +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __type(key, int); + __type(value, int); + __uint(max_entries, 1); +} my_pid_map SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __type(key, int); + __type(value, int); + __uint(max_entries, 1); +} res_map SEC(".maps"); + +volatile int my_pid_var = 0; +volatile int res_var = 0; + +SEC("tp/raw_syscalls/sys_enter") +int handle_legacy(void *ctx) +{ + int zero = 0, *my_pid, cur_pid, *my_res; + + my_pid = bpf_map_lookup_elem(&my_pid_map, &zero); + if (!my_pid) + return 1; + + cur_pid = bpf_get_current_pid_tgid() >> 32; + if (cur_pid != *my_pid) + return 1; + + my_res = bpf_map_lookup_elem(&res_map, &zero); + if (!my_res) + return 1; + + if (*my_res == 0) + /* use bpf_printk() in combination with BPF_NO_GLOBAL_DATA to + * force .rodata.str1.1 section that previously caused + * problems on old kernels due to libbpf always tried to + * create a global data map for it + */ + bpf_printk("Legacy-case bpf_printk test, pid %d\n", cur_pid); + *my_res = 1; + + return *my_res; +} + +SEC("tp/raw_syscalls/sys_enter") +int handle_modern(void *ctx) +{ + int zero = 0, cur_pid; + + cur_pid = bpf_get_current_pid_tgid() >> 32; + if (cur_pid != my_pid_var) + return 1; + + if (res_var == 0) + /* we need bpf_printk() to validate libbpf logic around unused + * global maps and legacy kernels; see comment in handle_legacy() + */ + bpf_printk("Modern-case bpf_printk test, pid %d\n", cur_pid); + res_var = 1; + + return res_var; +} diff --git a/tools/testing/selftests/bpf/progs/test_log_buf.c b/tools/testing/selftests/bpf/progs/test_log_buf.c new file mode 100644 index 000000000000..199f459bd5ae --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_log_buf.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ + +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +int a[4]; +const volatile int off = 4000; + +SEC("raw_tp/sys_enter") +int good_prog(const void *ctx) +{ + a[0] = (int)(long)ctx; + return a[1]; +} + +SEC("raw_tp/sys_enter") +int bad_prog(const void *ctx) +{ + /* out of bounds access */ + return a[off]; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_map_lock.c b/tools/testing/selftests/bpf/progs/test_map_lock.c index b5c07ae7b68f..acf073db9e8b 100644 --- a/tools/testing/selftests/bpf/progs/test_map_lock.c +++ b/tools/testing/selftests/bpf/progs/test_map_lock.c @@ -30,7 +30,7 @@ struct { __type(value, struct array_elem); } array_map SEC(".maps"); -SEC("map_lock_demo") +SEC("cgroup/skb") int bpf_map_lock_test(struct __sk_buff *skb) { struct hmap_elem zero = {}, *val; diff --git a/tools/testing/selftests/bpf/progs/test_prog_array_init.c b/tools/testing/selftests/bpf/progs/test_prog_array_init.c new file mode 100644 index 000000000000..2cd138356126 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_prog_array_init.c @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021 Hengqi Chen */ + +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +const volatile pid_t my_pid = 0; +int value = 0; + +SEC("raw_tp/sys_enter") +int tailcall_1(void *ctx) +{ + value = 42; + return 0; +} + +struct { + __uint(type, BPF_MAP_TYPE_PROG_ARRAY); + __uint(max_entries, 2); + __uint(key_size, sizeof(__u32)); + __array(values, int (void *)); +} prog_array_init SEC(".maps") = { + .values = { + [1] = (void *)&tailcall_1, + }, +}; + +SEC("raw_tp/sys_enter") +int entry(void *ctx) +{ + pid_t pid = bpf_get_current_pid_tgid() >> 32; + + if (pid != my_pid) + return 0; + + bpf_tail_call(ctx, &prog_array_init, 1); + return 0; +} diff --git a/tools/testing/selftests/bpf/progs/test_queue_stack_map.h b/tools/testing/selftests/bpf/progs/test_queue_stack_map.h index 0fcd3ff0e38a..648e8cab7a23 100644 --- a/tools/testing/selftests/bpf/progs/test_queue_stack_map.h +++ b/tools/testing/selftests/bpf/progs/test_queue_stack_map.h @@ -24,7 +24,7 @@ struct { __uint(value_size, sizeof(__u32)); } map_out SEC(".maps"); -SEC("test") +SEC("tc") int _test(struct __sk_buff *skb) { void *data_end = (void *)(long)skb->data_end; diff --git a/tools/testing/selftests/bpf/progs/test_sk_lookup.c b/tools/testing/selftests/bpf/progs/test_sk_lookup.c index 19d2465d9442..83b0aaa52ef7 100644 --- a/tools/testing/selftests/bpf/progs/test_sk_lookup.c +++ b/tools/testing/selftests/bpf/progs/test_sk_lookup.c @@ -84,6 +84,14 @@ int lookup_drop(struct bpf_sk_lookup *ctx) return SK_DROP; } +SEC("sk_lookup") +int check_ifindex(struct bpf_sk_lookup *ctx) +{ + if (ctx->ingress_ifindex == 1) + return SK_DROP; + return SK_PASS; +} + SEC("sk_reuseport") int reuseport_pass(struct sk_reuseport_md *ctx) { diff --git a/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c b/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c index 8e94e5c080aa..6dc1f28fc4b6 100644 --- a/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c +++ b/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c @@ -68,7 +68,7 @@ static void set_task_info(struct sock *sk) } SEC("fentry/inet_csk_listen_start") -int BPF_PROG(trace_inet_csk_listen_start, struct sock *sk, int backlog) +int BPF_PROG(trace_inet_csk_listen_start, struct sock *sk) { set_task_info(sk); diff --git a/tools/testing/selftests/bpf/progs/test_skb_ctx.c b/tools/testing/selftests/bpf/progs/test_skb_ctx.c index 1d61b36e6067..c482110cfc95 100644 --- a/tools/testing/selftests/bpf/progs/test_skb_ctx.c +++ b/tools/testing/selftests/bpf/progs/test_skb_ctx.c @@ -5,7 +5,7 @@ char _license[] SEC("license") = "GPL"; -SEC("skb_ctx") +SEC("tc") int process(struct __sk_buff *skb) { #pragma clang loop unroll(full) diff --git a/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c b/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c index a408ec95cba4..eacda9fe07eb 100644 --- a/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c +++ b/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c @@ -23,7 +23,7 @@ int BPF_PROG(unix_listen, struct socket *sock, int backlog) if (!unix_sk) return 0; - if (!UNIX_ABSTRACT(unix_sk)) + if (unix_sk->addr->name->sun_path[0]) return 0; len = unix_sk->addr->len - sizeof(short); diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock.c b/tools/testing/selftests/bpf/progs/test_spin_lock.c index 0d31a3b3505f..7e88309d3229 100644 --- a/tools/testing/selftests/bpf/progs/test_spin_lock.c +++ b/tools/testing/selftests/bpf/progs/test_spin_lock.c @@ -45,7 +45,7 @@ struct { #define CREDIT_PER_NS(delta, rate) (((delta) * rate) >> 20) -SEC("spin_lock_demo") +SEC("tc") int bpf_sping_lock_test(struct __sk_buff *skb) { volatile int credit = 0, max_credit = 100, pkt_len = 64; diff --git a/tools/testing/selftests/bpf/progs/test_tcp_estats.c b/tools/testing/selftests/bpf/progs/test_tcp_estats.c index 2c5c602c6011..e2ae049c2f85 100644 --- a/tools/testing/selftests/bpf/progs/test_tcp_estats.c +++ b/tools/testing/selftests/bpf/progs/test_tcp_estats.c @@ -244,7 +244,7 @@ static __always_inline void send_basic_event(struct sock *sk, bpf_map_update_elem(&ev_record_map, &key, &ev, BPF_ANY); } -SEC("dummy_tracepoint") +SEC("tp/dummy/tracepoint") int _dummy_tracepoint(struct dummy_tracepoint_args *arg) { if (!arg->sock) diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale2.c b/tools/testing/selftests/bpf/progs/test_verif_scale2.c index f024154c7be7..f90ffcafd1e8 100644 --- a/tools/testing/selftests/bpf/progs/test_verif_scale2.c +++ b/tools/testing/selftests/bpf/progs/test_verif_scale2.c @@ -1,11 +1,11 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Facebook -#include <linux/bpf.h> +#include "vmlinux.h" #include <bpf/bpf_helpers.h> #define ATTR __always_inline #include "test_jhash.h" -SEC("scale90_inline") +SEC("tc") int balancer_ingress(struct __sk_buff *ctx) { void *data_end = (void *)(long)ctx->data_end; diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c index 9a4d09590b3d..2098f3f27f18 100644 --- a/tools/testing/selftests/bpf/progs/trigger_bench.c +++ b/tools/testing/selftests/bpf/progs/trigger_bench.c @@ -52,3 +52,10 @@ int bench_trigger_fmodret(void *ctx) __sync_add_and_fetch(&hits, 1); return -22; } + +SEC("uprobe/self/uprobe_target") +int bench_trigger_uprobe(void *ctx) +{ + __sync_add_and_fetch(&hits, 1); + return 0; +} diff --git a/tools/testing/selftests/bpf/test_bpftool_synctypes.py b/tools/testing/selftests/bpf/test_bpftool_synctypes.py index be54b7335a76..6bf21e47882a 100755 --- a/tools/testing/selftests/bpf/test_bpftool_synctypes.py +++ b/tools/testing/selftests/bpf/test_bpftool_synctypes.py @@ -9,7 +9,15 @@ import os, sys LINUX_ROOT = os.path.abspath(os.path.join(__file__, os.pardir, os.pardir, os.pardir, os.pardir, os.pardir)) -BPFTOOL_DIR = os.path.join(LINUX_ROOT, 'tools/bpf/bpftool') +BPFTOOL_DIR = os.getenv('BPFTOOL_DIR', + os.path.join(LINUX_ROOT, 'tools/bpf/bpftool')) +BPFTOOL_BASHCOMP_DIR = os.getenv('BPFTOOL_BASHCOMP_DIR', + os.path.join(BPFTOOL_DIR, 'bash-completion')) +BPFTOOL_DOC_DIR = os.getenv('BPFTOOL_DOC_DIR', + os.path.join(BPFTOOL_DIR, 'Documentation')) +INCLUDE_DIR = os.getenv('INCLUDE_DIR', + os.path.join(LINUX_ROOT, 'tools/include')) + retval = 0 class BlockParser(object): @@ -242,12 +250,6 @@ class FileExtractor(object): end_marker = re.compile('}\\\\n') return self.__get_description_list(start_marker, pattern, end_marker) - def default_options(self): - """ - Return the default options contained in HELP_SPEC_OPTIONS - """ - return { '-j', '--json', '-p', '--pretty', '-d', '--debug' } - def get_bashcomp_list(self, block_name): """ Search for and parse a list of type names from a variable in bash @@ -274,7 +276,56 @@ class SourceFileExtractor(FileExtractor): defined in children classes. """ def get_options(self): - return self.default_options().union(self.get_help_list_macro('HELP_SPEC_OPTIONS')) + return self.get_help_list_macro('HELP_SPEC_OPTIONS') + +class MainHeaderFileExtractor(SourceFileExtractor): + """ + An extractor for bpftool's main.h + """ + filename = os.path.join(BPFTOOL_DIR, 'main.h') + + def get_common_options(self): + """ + Parse the list of common options in main.h (options that apply to all + commands), which looks to the lists of options in other source files + but has different start and end markers: + + "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug} | {-l|--legacy}" + + Return a set containing all options, such as: + + {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'} + """ + start_marker = re.compile(f'"OPTIONS :=') + pattern = re.compile('([\w-]+) ?(?:\||}[ }\]"])') + end_marker = re.compile('#define') + + parser = InlineListParser(self.reader) + parser.search_block(start_marker) + return parser.parse(pattern, end_marker) + +class ManSubstitutionsExtractor(SourceFileExtractor): + """ + An extractor for substitutions.rst + """ + filename = os.path.join(BPFTOOL_DOC_DIR, 'substitutions.rst') + + def get_common_options(self): + """ + Parse the list of common options in substitutions.rst (options that + apply to all commands). + + Return a set containing all options, such as: + + {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'} + """ + start_marker = re.compile('\|COMMON_OPTIONS\| replace:: {') + pattern = re.compile('\*\*([\w/-]+)\*\*') + end_marker = re.compile('}$') + + parser = InlineListParser(self.reader) + parser.search_block(start_marker) + return parser.parse(pattern, end_marker) class ProgFileExtractor(SourceFileExtractor): """ @@ -350,7 +401,7 @@ class BpfHeaderExtractor(FileExtractor): """ An extractor for the UAPI BPF header. """ - filename = os.path.join(LINUX_ROOT, 'tools/include/uapi/linux/bpf.h') + filename = os.path.join(INCLUDE_DIR, 'uapi/linux/bpf.h') def get_prog_types(self): return self.get_enum('bpf_prog_type') @@ -374,7 +425,7 @@ class ManProgExtractor(ManPageExtractor): """ An extractor for bpftool-prog.rst. """ - filename = os.path.join(BPFTOOL_DIR, 'Documentation/bpftool-prog.rst') + filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-prog.rst') def get_attach_types(self): return self.get_rst_list('ATTACH_TYPE') @@ -383,7 +434,7 @@ class ManMapExtractor(ManPageExtractor): """ An extractor for bpftool-map.rst. """ - filename = os.path.join(BPFTOOL_DIR, 'Documentation/bpftool-map.rst') + filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-map.rst') def get_map_types(self): return self.get_rst_list('TYPE') @@ -392,7 +443,7 @@ class ManCgroupExtractor(ManPageExtractor): """ An extractor for bpftool-cgroup.rst. """ - filename = os.path.join(BPFTOOL_DIR, 'Documentation/bpftool-cgroup.rst') + filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-cgroup.rst') def get_attach_types(self): return self.get_rst_list('ATTACH_TYPE') @@ -411,7 +462,7 @@ class BashcompExtractor(FileExtractor): """ An extractor for bpftool's bash completion file. """ - filename = os.path.join(BPFTOOL_DIR, 'bash-completion/bpftool') + filename = os.path.join(BPFTOOL_BASHCOMP_DIR, 'bpftool') def get_prog_attach_types(self): return self.get_bashcomp_list('BPFTOOL_PROG_ATTACH_TYPES') @@ -562,7 +613,7 @@ def main(): help_cmd_options = source_info.get_options() source_info.close() - man_cmd_info = ManGenericExtractor(os.path.join('Documentation', 'bpftool-' + cmd + '.rst')) + man_cmd_info = ManGenericExtractor(os.path.join(BPFTOOL_DOC_DIR, 'bpftool-' + cmd + '.rst')) man_cmd_options = man_cmd_info.get_options() man_cmd_info.close() @@ -573,13 +624,26 @@ def main(): help_main_options = source_main_info.get_options() source_main_info.close() - man_main_info = ManGenericExtractor(os.path.join('Documentation', 'bpftool.rst')) + man_main_info = ManGenericExtractor(os.path.join(BPFTOOL_DOC_DIR, 'bpftool.rst')) man_main_options = man_main_info.get_options() man_main_info.close() verify(help_main_options, man_main_options, f'Comparing {source_main_info.filename} (do_help() OPTIONS) and {man_main_info.filename} (OPTIONS):') + # Compare common options (options that apply to all commands) + + main_hdr_info = MainHeaderFileExtractor() + source_common_options = main_hdr_info.get_common_options() + main_hdr_info.close() + + man_substitutions = ManSubstitutionsExtractor() + man_common_options = man_substitutions.get_common_options() + man_substitutions.close() + + verify(source_common_options, man_common_options, + f'Comparing common options from {main_hdr_info.filename} (HELP_SPEC_OPTIONS) and {man_substitutions.filename}:') + sys.exit(retval) if __name__ == "__main__": diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h index 32c7a57867da..128989bed8b7 100644 --- a/tools/testing/selftests/bpf/test_btf.h +++ b/tools/testing/selftests/bpf/test_btf.h @@ -72,4 +72,7 @@ #define BTF_DECL_TAG_ENC(value, type, component_idx) \ BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), type), (component_idx) +#define BTF_TYPE_TAG_ENC(value, type) \ + BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_TYPE_TAG, 0, 0), type) + #endif /* _TEST_BTF_H */ diff --git a/tools/testing/selftests/bpf/test_cgroup_storage.c b/tools/testing/selftests/bpf/test_cgroup_storage.c index 0cda61da5d39..5b8314cd77fd 100644 --- a/tools/testing/selftests/bpf/test_cgroup_storage.c +++ b/tools/testing/selftests/bpf/test_cgroup_storage.c @@ -8,6 +8,7 @@ #include "bpf_rlimit.h" #include "cgroup_helpers.h" +#include "testing_helpers.h" char bpf_log_buf[BPF_LOG_BUF_SIZE]; @@ -50,15 +51,15 @@ int main(int argc, char **argv) goto err; } - map_fd = bpf_create_map(BPF_MAP_TYPE_CGROUP_STORAGE, sizeof(key), - sizeof(value), 0, 0); + map_fd = bpf_map_create(BPF_MAP_TYPE_CGROUP_STORAGE, NULL, sizeof(key), + sizeof(value), 0, NULL); if (map_fd < 0) { printf("Failed to create map: %s\n", strerror(errno)); goto out; } - percpu_map_fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, - sizeof(key), sizeof(value), 0, 0); + percpu_map_fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, NULL, + sizeof(key), sizeof(value), 0, NULL); if (percpu_map_fd < 0) { printf("Failed to create map: %s\n", strerror(errno)); goto out; @@ -66,7 +67,7 @@ int main(int argc, char **argv) prog[0].imm = percpu_map_fd; prog[7].imm = map_fd; - prog_fd = bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB, + prog_fd = bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB, prog, insns_cnt, "GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE); if (prog_fd < 0) { diff --git a/tools/testing/selftests/bpf/test_cpp.cpp b/tools/testing/selftests/bpf/test_cpp.cpp index a8d2e9a87fbf..e00201de2890 100644 --- a/tools/testing/selftests/bpf/test_cpp.cpp +++ b/tools/testing/selftests/bpf/test_cpp.cpp @@ -7,9 +7,15 @@ /* do nothing, just make sure we can link successfully */ +static void dump_printf(void *ctx, const char *fmt, va_list args) +{ +} + int main(int argc, char *argv[]) { + struct btf_dump_opts opts = { }; struct test_core_extern *skel; + struct btf *btf; /* libbpf.h */ libbpf_set_print(NULL); @@ -18,7 +24,8 @@ int main(int argc, char *argv[]) bpf_prog_get_fd_by_id(0); /* btf.h */ - btf__new(NULL, 0); + btf = btf__new(NULL, 0); + btf_dump__new(btf, dump_printf, nullptr, &opts); /* BPF skeleton */ skel = test_core_extern__open_and_load(); diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/selftests/bpf/test_dev_cgroup.c index 804dddd97d4c..c299d3452695 100644 --- a/tools/testing/selftests/bpf/test_dev_cgroup.c +++ b/tools/testing/selftests/bpf/test_dev_cgroup.c @@ -14,6 +14,7 @@ #include <bpf/libbpf.h> #include "cgroup_helpers.h" +#include "testing_helpers.h" #include "bpf_rlimit.h" #define DEV_CGROUP_PROG "./dev_cgroup.o" @@ -27,7 +28,7 @@ int main(int argc, char **argv) int prog_fd, cgroup_fd; __u32 prog_cnt; - if (bpf_prog_load(DEV_CGROUP_PROG, BPF_PROG_TYPE_CGROUP_DEVICE, + if (bpf_prog_test_load(DEV_CGROUP_PROG, BPF_PROG_TYPE_CGROUP_DEVICE, &obj, &prog_fd)) { printf("Failed to load DEV_CGROUP program\n"); goto out; diff --git a/tools/testing/selftests/bpf/test_lirc_mode2_user.c b/tools/testing/selftests/bpf/test_lirc_mode2_user.c index fb5fd6841ef3..ebf68dce5504 100644 --- a/tools/testing/selftests/bpf/test_lirc_mode2_user.c +++ b/tools/testing/selftests/bpf/test_lirc_mode2_user.c @@ -45,6 +45,8 @@ #include <bpf/bpf.h> #include <bpf/libbpf.h> +#include "testing_helpers.h" + int main(int argc, char **argv) { struct bpf_object *obj; @@ -58,8 +60,8 @@ int main(int argc, char **argv) return 2; } - ret = bpf_prog_load("test_lirc_mode2_kern.o", - BPF_PROG_TYPE_LIRC_MODE2, &obj, &progfd); + ret = bpf_prog_test_load("test_lirc_mode2_kern.o", + BPF_PROG_TYPE_LIRC_MODE2, &obj, &progfd); if (ret) { printf("Failed to load bpf program\n"); return 1; diff --git a/tools/testing/selftests/bpf/test_lpm_map.c b/tools/testing/selftests/bpf/test_lpm_map.c index 006be3963977..baa3e3ecae82 100644 --- a/tools/testing/selftests/bpf/test_lpm_map.c +++ b/tools/testing/selftests/bpf/test_lpm_map.c @@ -208,6 +208,7 @@ static void test_lpm_order(void) static void test_lpm_map(int keysize) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); size_t i, j, n_matches, n_matches_after_delete, n_nodes, n_lookups; struct tlpm_node *t, *list = NULL; struct bpf_lpm_trie_key *key; @@ -233,11 +234,11 @@ static void test_lpm_map(int keysize) key = alloca(sizeof(*key) + keysize); memset(key, 0, sizeof(*key) + keysize); - map = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, + map = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, sizeof(*key) + keysize, keysize + 1, 4096, - BPF_F_NO_PREALLOC); + &opts); assert(map >= 0); for (i = 0; i < n_nodes; ++i) { @@ -329,6 +330,7 @@ static void test_lpm_map(int keysize) static void test_lpm_ipaddr(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); struct bpf_lpm_trie_key *key_ipv4; struct bpf_lpm_trie_key *key_ipv6; size_t key_size_ipv4; @@ -342,14 +344,14 @@ static void test_lpm_ipaddr(void) key_ipv4 = alloca(key_size_ipv4); key_ipv6 = alloca(key_size_ipv6); - map_fd_ipv4 = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, + map_fd_ipv4 = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size_ipv4, sizeof(value), - 100, BPF_F_NO_PREALLOC); + 100, &opts); assert(map_fd_ipv4 >= 0); - map_fd_ipv6 = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, + map_fd_ipv6 = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size_ipv6, sizeof(value), - 100, BPF_F_NO_PREALLOC); + 100, &opts); assert(map_fd_ipv6 >= 0); /* Fill data some IPv4 and IPv6 address ranges */ @@ -423,6 +425,7 @@ static void test_lpm_ipaddr(void) static void test_lpm_delete(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); struct bpf_lpm_trie_key *key; size_t key_size; int map_fd; @@ -431,9 +434,9 @@ static void test_lpm_delete(void) key_size = sizeof(*key) + sizeof(__u32); key = alloca(key_size); - map_fd = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, + map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size, sizeof(value), - 100, BPF_F_NO_PREALLOC); + 100, &opts); assert(map_fd >= 0); /* Add nodes: @@ -535,6 +538,7 @@ static void test_lpm_delete(void) static void test_lpm_get_next_key(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); struct bpf_lpm_trie_key *key_p, *next_key_p; size_t key_size; __u32 value = 0; @@ -544,8 +548,7 @@ static void test_lpm_get_next_key(void) key_p = alloca(key_size); next_key_p = alloca(key_size); - map_fd = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, key_size, sizeof(value), - 100, BPF_F_NO_PREALLOC); + map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size, sizeof(value), 100, &opts); assert(map_fd >= 0); /* empty tree. get_next_key should return ENOENT */ @@ -753,6 +756,7 @@ static void setup_lpm_mt_test_info(struct lpm_mt_test_info *info, int map_fd) static void test_lpm_multi_thread(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); struct lpm_mt_test_info info[4]; size_t key_size, value_size; pthread_t thread_id[4]; @@ -762,8 +766,7 @@ static void test_lpm_multi_thread(void) /* create a trie */ value_size = sizeof(__u32); key_size = sizeof(struct bpf_lpm_trie_key) + value_size; - map_fd = bpf_create_map(BPF_MAP_TYPE_LPM_TRIE, key_size, value_size, - 100, BPF_F_NO_PREALLOC); + map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size, value_size, 100, &opts); /* create 4 threads to test update, delete, lookup and get_next_key */ setup_lpm_mt_test_info(&info[0], map_fd); diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c index 7e9049fa3edf..b9f1bbbc8aba 100644 --- a/tools/testing/selftests/bpf/test_lru_map.c +++ b/tools/testing/selftests/bpf/test_lru_map.c @@ -28,13 +28,14 @@ static int nr_cpus; static int create_map(int map_type, int map_flags, unsigned int size) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = map_flags); int map_fd; - map_fd = bpf_create_map(map_type, sizeof(unsigned long long), - sizeof(unsigned long long), size, map_flags); + map_fd = bpf_map_create(map_type, NULL, sizeof(unsigned long long), + sizeof(unsigned long long), size, &opts); if (map_fd == -1) - perror("bpf_create_map"); + perror("bpf_map_create"); return map_fd; } @@ -42,8 +43,6 @@ static int create_map(int map_type, int map_flags, unsigned int size) static int bpf_map_lookup_elem_with_ref_bit(int fd, unsigned long long key, void *value) { - struct bpf_load_program_attr prog; - struct bpf_create_map_attr map; struct bpf_insn insns[] = { BPF_LD_MAP_VALUE(BPF_REG_9, 0, 0), BPF_LD_MAP_FD(BPF_REG_1, fd), @@ -64,25 +63,13 @@ static int bpf_map_lookup_elem_with_ref_bit(int fd, unsigned long long key, int mfd, pfd, ret, zero = 0; __u32 retval = 0; - memset(&map, 0, sizeof(map)); - map.map_type = BPF_MAP_TYPE_ARRAY; - map.key_size = sizeof(int); - map.value_size = sizeof(unsigned long long); - map.max_entries = 1; - - mfd = bpf_create_map_xattr(&map); + mfd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(int), sizeof(__u64), 1, NULL); if (mfd < 0) return -1; insns[0].imm = mfd; - memset(&prog, 0, sizeof(prog)); - prog.prog_type = BPF_PROG_TYPE_SCHED_CLS; - prog.insns = insns; - prog.insns_cnt = ARRAY_SIZE(insns); - prog.license = "GPL"; - - pfd = bpf_load_program_xattr(&prog, NULL, 0); + pfd = bpf_prog_load(BPF_PROG_TYPE_SCHED_CLS, NULL, "GPL", insns, ARRAY_SIZE(insns), NULL); if (pfd < 0) { close(mfd); return -1; diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index c7a36a9378f8..50f7e74ca0b9 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -23,8 +23,8 @@ #include <bpf/libbpf.h> #include "bpf_util.h" -#include "bpf_rlimit.h" #include "test_maps.h" +#include "testing_helpers.h" #ifndef ENOTSUPP #define ENOTSUPP 524 @@ -32,15 +32,14 @@ static int skips; -static int map_flags; +static struct bpf_map_create_opts map_opts = { .sz = sizeof(map_opts) }; static void test_hashmap(unsigned int task, void *data) { long long key, next_key, first_key, value; int fd; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - 2, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), 2, &map_opts); if (fd < 0) { printf("Failed to create hashmap '%s'!\n", strerror(errno)); exit(1); @@ -137,8 +136,7 @@ static void test_hashmap_sizes(unsigned int task, void *data) for (i = 1; i <= 512; i <<= 1) for (j = 1; j <= 1 << 18; j <<= 1) { - fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j, - 2, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, i, j, 2, &map_opts); if (fd < 0) { if (errno == ENOMEM) return; @@ -159,8 +157,8 @@ static void test_hashmap_percpu(unsigned int task, void *data) int expected_key_mask = 0; int fd, i; - fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_HASH, sizeof(key), - sizeof(bpf_percpu(value, 0)), 2, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_HASH, NULL, sizeof(key), + sizeof(bpf_percpu(value, 0)), 2, &map_opts); if (fd < 0) { printf("Failed to create hashmap '%s'!\n", strerror(errno)); exit(1); @@ -271,11 +269,11 @@ static int helper_fill_hashmap(int max_entries) int i, fd, ret; long long key, value; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - max_entries, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), + max_entries, &map_opts); CHECK(fd < 0, "failed to create hashmap", - "err: %s, flags: 0x%x\n", strerror(errno), map_flags); + "err: %s, flags: 0x%x\n", strerror(errno), map_opts.map_flags); for (i = 0; i < max_entries; i++) { key = i; value = key; @@ -331,8 +329,8 @@ static void test_hashmap_zero_seed(void) int i, first, second, old_flags; long long key, next_first, next_second; - old_flags = map_flags; - map_flags |= BPF_F_ZERO_SEED; + old_flags = map_opts.map_flags; + map_opts.map_flags |= BPF_F_ZERO_SEED; first = helper_fill_hashmap(3); second = helper_fill_hashmap(3); @@ -354,7 +352,7 @@ static void test_hashmap_zero_seed(void) key = next_first; } - map_flags = old_flags; + map_opts.map_flags = old_flags; close(first); close(second); } @@ -364,8 +362,7 @@ static void test_arraymap(unsigned int task, void *data) int key, next_key, fd; long long value; - fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(key), sizeof(value), - 2, 0); + fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(key), sizeof(value), 2, NULL); if (fd < 0) { printf("Failed to create arraymap '%s'!\n", strerror(errno)); exit(1); @@ -420,8 +417,8 @@ static void test_arraymap_percpu(unsigned int task, void *data) BPF_DECLARE_PERCPU(long, values); int key, next_key, fd, i; - fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key), - sizeof(bpf_percpu(values, 0)), 2, 0); + fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, NULL, sizeof(key), + sizeof(bpf_percpu(values, 0)), 2, NULL); if (fd < 0) { printf("Failed to create arraymap '%s'!\n", strerror(errno)); exit(1); @@ -483,8 +480,8 @@ static void test_arraymap_percpu_many_keys(void) unsigned int nr_keys = 2000; int key, fd, i; - fd = bpf_create_map(BPF_MAP_TYPE_PERCPU_ARRAY, sizeof(key), - sizeof(bpf_percpu(values, 0)), nr_keys, 0); + fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, NULL, sizeof(key), + sizeof(bpf_percpu(values, 0)), nr_keys, NULL); if (fd < 0) { printf("Failed to create per-cpu arraymap '%s'!\n", strerror(errno)); @@ -515,8 +512,7 @@ static void test_devmap(unsigned int task, void *data) int fd; __u32 key, value; - fd = bpf_create_map(BPF_MAP_TYPE_DEVMAP, sizeof(key), sizeof(value), - 2, 0); + fd = bpf_map_create(BPF_MAP_TYPE_DEVMAP, NULL, sizeof(key), sizeof(value), 2, NULL); if (fd < 0) { printf("Failed to create devmap '%s'!\n", strerror(errno)); exit(1); @@ -530,8 +526,7 @@ static void test_devmap_hash(unsigned int task, void *data) int fd; __u32 key, value; - fd = bpf_create_map(BPF_MAP_TYPE_DEVMAP_HASH, sizeof(key), sizeof(value), - 2, 0); + fd = bpf_map_create(BPF_MAP_TYPE_DEVMAP_HASH, NULL, sizeof(key), sizeof(value), 2, NULL); if (fd < 0) { printf("Failed to create devmap_hash '%s'!\n", strerror(errno)); exit(1); @@ -551,14 +546,12 @@ static void test_queuemap(unsigned int task, void *data) vals[i] = rand(); /* Invalid key size */ - fd = bpf_create_map(BPF_MAP_TYPE_QUEUE, 4, sizeof(val), MAP_SIZE, - map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_QUEUE, NULL, 4, sizeof(val), MAP_SIZE, &map_opts); assert(fd < 0 && errno == EINVAL); - fd = bpf_create_map(BPF_MAP_TYPE_QUEUE, 0, sizeof(val), MAP_SIZE, - map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_QUEUE, NULL, 0, sizeof(val), MAP_SIZE, &map_opts); /* Queue map does not support BPF_F_NO_PREALLOC */ - if (map_flags & BPF_F_NO_PREALLOC) { + if (map_opts.map_flags & BPF_F_NO_PREALLOC) { assert(fd < 0 && errno == EINVAL); return; } @@ -609,14 +602,12 @@ static void test_stackmap(unsigned int task, void *data) vals[i] = rand(); /* Invalid key size */ - fd = bpf_create_map(BPF_MAP_TYPE_STACK, 4, sizeof(val), MAP_SIZE, - map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_STACK, NULL, 4, sizeof(val), MAP_SIZE, &map_opts); assert(fd < 0 && errno == EINVAL); - fd = bpf_create_map(BPF_MAP_TYPE_STACK, 0, sizeof(val), MAP_SIZE, - map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_STACK, NULL, 0, sizeof(val), MAP_SIZE, &map_opts); /* Stack map does not support BPF_F_NO_PREALLOC */ - if (map_flags & BPF_F_NO_PREALLOC) { + if (map_opts.map_flags & BPF_F_NO_PREALLOC) { assert(fd < 0 && errno == EINVAL); return; } @@ -743,9 +734,9 @@ static void test_sockmap(unsigned int tasks, void *data) } /* Test sockmap with connected sockets */ - fd = bpf_create_map(BPF_MAP_TYPE_SOCKMAP, + fd = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(key), sizeof(value), - 6, 0); + 6, NULL); if (fd < 0) { if (!bpf_probe_map_type(BPF_MAP_TYPE_SOCKMAP, 0)) { printf("%s SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)\n", @@ -830,21 +821,21 @@ static void test_sockmap(unsigned int tasks, void *data) } /* Load SK_SKB program and Attach */ - err = bpf_prog_load(SOCKMAP_PARSE_PROG, + err = bpf_prog_test_load(SOCKMAP_PARSE_PROG, BPF_PROG_TYPE_SK_SKB, &obj, &parse_prog); if (err) { printf("Failed to load SK_SKB parse prog\n"); goto out_sockmap; } - err = bpf_prog_load(SOCKMAP_TCP_MSG_PROG, + err = bpf_prog_test_load(SOCKMAP_TCP_MSG_PROG, BPF_PROG_TYPE_SK_MSG, &obj, &msg_prog); if (err) { printf("Failed to load SK_SKB msg prog\n"); goto out_sockmap; } - err = bpf_prog_load(SOCKMAP_VERDICT_PROG, + err = bpf_prog_test_load(SOCKMAP_VERDICT_PROG, BPF_PROG_TYPE_SK_SKB, &obj, &verdict_prog); if (err) { printf("Failed to load SK_SKB verdict prog\n"); @@ -1167,8 +1158,7 @@ static void test_map_in_map(void) obj = bpf_object__open(MAPINMAP_PROG); - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(int), sizeof(int), - 2, 0); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(int), sizeof(int), 2, NULL); if (fd < 0) { printf("Failed to create hashmap '%s'!\n", strerror(errno)); exit(1); @@ -1314,8 +1304,8 @@ static void test_map_large(void) } key; int fd, i, value; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - MAP_SIZE, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), + MAP_SIZE, &map_opts); if (fd < 0) { printf("Failed to create large map '%s'!\n", strerror(errno)); exit(1); @@ -1468,8 +1458,8 @@ static void test_map_parallel(void) int i, fd, key = 0, value = 0; int data[2]; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - MAP_SIZE, map_flags); + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), + MAP_SIZE, &map_opts); if (fd < 0) { printf("Failed to create map for parallel test '%s'!\n", strerror(errno)); @@ -1517,9 +1507,13 @@ static void test_map_parallel(void) static void test_map_rdonly(void) { int fd, key = 0, value = 0; + __u32 old_flags; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - MAP_SIZE, map_flags | BPF_F_RDONLY); + old_flags = map_opts.map_flags; + map_opts.map_flags |= BPF_F_RDONLY; + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), + MAP_SIZE, &map_opts); + map_opts.map_flags = old_flags; if (fd < 0) { printf("Failed to create map for read only test '%s'!\n", strerror(errno)); @@ -1542,9 +1536,13 @@ static void test_map_rdonly(void) static void test_map_wronly_hash(void) { int fd, key = 0, value = 0; + __u32 old_flags; - fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), - MAP_SIZE, map_flags | BPF_F_WRONLY); + old_flags = map_opts.map_flags; + map_opts.map_flags |= BPF_F_WRONLY; + fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), + MAP_SIZE, &map_opts); + map_opts.map_flags = old_flags; if (fd < 0) { printf("Failed to create map for write only test '%s'!\n", strerror(errno)); @@ -1566,13 +1564,17 @@ static void test_map_wronly_hash(void) static void test_map_wronly_stack_or_queue(enum bpf_map_type map_type) { int fd, value = 0; + __u32 old_flags; + assert(map_type == BPF_MAP_TYPE_QUEUE || map_type == BPF_MAP_TYPE_STACK); - fd = bpf_create_map(map_type, 0, sizeof(value), MAP_SIZE, - map_flags | BPF_F_WRONLY); + old_flags = map_opts.map_flags; + map_opts.map_flags |= BPF_F_WRONLY; + fd = bpf_map_create(map_type, NULL, 0, sizeof(value), MAP_SIZE, &map_opts); + map_opts.map_flags = old_flags; /* Stack/Queue maps do not support BPF_F_NO_PREALLOC */ - if (map_flags & BPF_F_NO_PREALLOC) { + if (map_opts.map_flags & BPF_F_NO_PREALLOC) { assert(fd < 0 && errno == EINVAL); return; } @@ -1699,8 +1701,8 @@ static void test_reuseport_array(void) __u32 fds_idx = 0; int fd; - map_fd = bpf_create_map(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, - sizeof(__u32), sizeof(__u64), array_size, 0); + map_fd = bpf_map_create(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, NULL, + sizeof(__u32), sizeof(__u64), array_size, NULL); CHECK(map_fd < 0, "reuseport array create", "map_fd:%d, errno:%d\n", map_fd, errno); @@ -1836,8 +1838,8 @@ static void test_reuseport_array(void) close(map_fd); /* Test 32 bit fd */ - map_fd = bpf_create_map(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, - sizeof(__u32), sizeof(__u32), array_size, 0); + map_fd = bpf_map_create(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, NULL, + sizeof(__u32), sizeof(__u32), array_size, NULL); CHECK(map_fd < 0, "reuseport array create", "map_fd:%d, errno:%d\n", map_fd, errno); prepare_reuseport_grp(SOCK_STREAM, map_fd, sizeof(__u32), &fd64, @@ -1895,10 +1897,10 @@ int main(void) libbpf_set_strict_mode(LIBBPF_STRICT_ALL); - map_flags = 0; + map_opts.map_flags = 0; run_all_tests(); - map_flags = BPF_F_NO_PREALLOC; + map_opts.map_flags = BPF_F_NO_PREALLOC; run_all_tests(); #define DEFINE_TEST(name) test_##name(); diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index c65986bd9d07..2ecb73a65206 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -4,7 +4,6 @@ #define _GNU_SOURCE #include "test_progs.h" #include "cgroup_helpers.h" -#include "bpf_rlimit.h" #include <argp.h> #include <pthread.h> #include <sched.h> @@ -473,11 +472,11 @@ static struct prog_test_def prog_test_defs[] = { #include <prog_tests/tests.h> #undef DEFINE_TEST }; -const int prog_test_cnt = ARRAY_SIZE(prog_test_defs); +static const int prog_test_cnt = ARRAY_SIZE(prog_test_defs); const char *argp_program_version = "test_progs 0.1"; const char *argp_program_bug_address = "<bpf@vger.kernel.org>"; -const char argp_program_doc[] = "BPF selftests test runner"; +static const char argp_program_doc[] = "BPF selftests test runner"; enum ARG_KEYS { ARG_TEST_NUM = 'n', @@ -939,7 +938,7 @@ static void *dispatch_thread(void *ctx) { struct dispatch_data *data = ctx; int sock_fd; - FILE *log_fd = NULL; + FILE *log_fp = NULL; sock_fd = data->sock_fd; @@ -1002,8 +1001,8 @@ static void *dispatch_thread(void *ctx) /* collect all logs */ if (msg_test_done.test_done.have_log) { - log_fd = open_memstream(&result->log_buf, &result->log_cnt); - if (!log_fd) + log_fp = open_memstream(&result->log_buf, &result->log_cnt); + if (!log_fp) goto error; while (true) { @@ -1014,12 +1013,12 @@ static void *dispatch_thread(void *ctx) if (msg_log.type != MSG_TEST_LOG) goto error; - fprintf(log_fd, "%s", msg_log.test_log.log_buf); + fprintf(log_fp, "%s", msg_log.test_log.log_buf); if (msg_log.test_log.is_last) break; } - fclose(log_fd); - log_fd = NULL; + fclose(log_fp); + log_fp = NULL; } /* output log */ { @@ -1045,8 +1044,8 @@ error: if (env.debug) fprintf(stderr, "[%d]: Protocol/IO error: %s.\n", data->worker_id, strerror(errno)); - if (log_fd) - fclose(log_fd); + if (log_fp) + fclose(log_fp); done: { struct msg msg_exit; @@ -1198,11 +1197,11 @@ static int server_main(void) env.sub_succ_cnt += result->sub_succ_cnt; } + print_all_error_logs(); + fprintf(stdout, "Summary: %d/%d PASSED, %d SKIPPED, %d FAILED\n", env.succ_cnt, env.sub_succ_cnt, env.skip_cnt, env.fail_cnt); - print_all_error_logs(); - /* reap all workers */ for (i = 0; i < env.workers; i++) { int wstatus, pid; @@ -1342,7 +1341,6 @@ int main(int argc, char **argv) /* Use libbpf 1.0 API mode */ libbpf_set_strict_mode(LIBBPF_STRICT_ALL); - libbpf_set_print(libbpf_print_fn); srand(time(NULL)); @@ -1484,11 +1482,11 @@ int main(int argc, char **argv) if (env.list_test_names) goto out; + print_all_error_logs(); + fprintf(stdout, "Summary: %d/%d PASSED, %d SKIPPED, %d FAILED\n", env.succ_cnt, env.sub_succ_cnt, env.skip_cnt, env.fail_cnt); - print_all_error_logs(); - close(env.saved_netns_fd); out: if (!env.list_test_names && env.has_testmod) diff --git a/tools/testing/selftests/bpf/test_sock.c b/tools/testing/selftests/bpf/test_sock.c index 9613f7538840..fe10f8134278 100644 --- a/tools/testing/selftests/bpf/test_sock.c +++ b/tools/testing/selftests/bpf/test_sock.c @@ -35,18 +35,21 @@ struct sock_test { /* Endpoint to bind() to */ const char *ip; unsigned short port; + unsigned short port_retry; /* Expected test result */ enum { LOAD_REJECT, ATTACH_REJECT, BIND_REJECT, SUCCESS, + RETRY_SUCCESS, + RETRY_REJECT } result; }; static struct sock_test tests[] = { { - "bind4 load with invalid access: src_ip6", + .descr = "bind4 load with invalid access: src_ip6", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, @@ -54,16 +57,12 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - 0, - 0, - NULL, - 0, - LOAD_REJECT, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .result = LOAD_REJECT, }, { - "bind4 load with invalid access: mark", + .descr = "bind4 load with invalid access: mark", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, @@ -71,16 +70,12 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - 0, - 0, - NULL, - 0, - LOAD_REJECT, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .result = LOAD_REJECT, }, { - "bind6 load with invalid access: src_ip4", + .descr = "bind6 load with invalid access: src_ip4", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, @@ -88,16 +83,12 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET6_POST_BIND, - 0, - 0, - NULL, - 0, - LOAD_REJECT, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .result = LOAD_REJECT, }, { - "sock_create load with invalid access: src_port", + .descr = "sock_create load with invalid access: src_port", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, @@ -105,128 +96,106 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET_SOCK_CREATE, - BPF_CGROUP_INET_SOCK_CREATE, - 0, - 0, - NULL, - 0, - LOAD_REJECT, + .expected_attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .result = LOAD_REJECT, }, { - "sock_create load w/o expected_attach_type (compat mode)", + .descr = "sock_create load w/o expected_attach_type (compat mode)", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - 0, - BPF_CGROUP_INET_SOCK_CREATE, - AF_INET, - SOCK_STREAM, - "127.0.0.1", - 8097, - SUCCESS, + .expected_attach_type = 0, + .attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "127.0.0.1", + .port = 8097, + .result = SUCCESS, }, { - "sock_create load w/ expected_attach_type", + .descr = "sock_create load w/ expected_attach_type", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET_SOCK_CREATE, - BPF_CGROUP_INET_SOCK_CREATE, - AF_INET, - SOCK_STREAM, - "127.0.0.1", - 8097, - SUCCESS, + .expected_attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "127.0.0.1", + .port = 8097, + .result = SUCCESS, }, { - "attach type mismatch bind4 vs bind6", + .descr = "attach type mismatch bind4 vs bind6", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET6_POST_BIND, - 0, - 0, - NULL, - 0, - ATTACH_REJECT, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .result = ATTACH_REJECT, }, { - "attach type mismatch bind6 vs bind4", + .descr = "attach type mismatch bind6 vs bind4", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - 0, - 0, - NULL, - 0, - ATTACH_REJECT, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .result = ATTACH_REJECT, }, { - "attach type mismatch default vs bind4", + .descr = "attach type mismatch default vs bind4", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - 0, - BPF_CGROUP_INET4_POST_BIND, - 0, - 0, - NULL, - 0, - ATTACH_REJECT, + .expected_attach_type = 0, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .result = ATTACH_REJECT, }, { - "attach type mismatch bind6 vs sock_create", + .descr = "attach type mismatch bind6 vs sock_create", .insns = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET_SOCK_CREATE, - 0, - 0, - NULL, - 0, - ATTACH_REJECT, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET_SOCK_CREATE, + .result = ATTACH_REJECT, }, { - "bind4 reject all", + .descr = "bind4 reject all", .insns = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - AF_INET, - SOCK_STREAM, - "0.0.0.0", - 0, - BIND_REJECT, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "0.0.0.0", + .result = BIND_REJECT, }, { - "bind6 reject all", + .descr = "bind6 reject all", .insns = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET6_POST_BIND, - AF_INET6, - SOCK_STREAM, - "::", - 0, - BIND_REJECT, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .domain = AF_INET6, + .type = SOCK_STREAM, + .ip = "::", + .result = BIND_REJECT, }, { - "bind6 deny specific IP & port", + .descr = "bind6 deny specific IP & port", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), @@ -247,16 +216,16 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET6_POST_BIND, - AF_INET6, - SOCK_STREAM, - "::1", - 8193, - BIND_REJECT, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .domain = AF_INET6, + .type = SOCK_STREAM, + .ip = "::1", + .port = 8193, + .result = BIND_REJECT, }, { - "bind4 allow specific IP & port", + .descr = "bind4 allow specific IP & port", .insns = { BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), @@ -277,41 +246,132 @@ static struct sock_test tests[] = { BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - AF_INET, - SOCK_STREAM, - "127.0.0.1", - 4098, - SUCCESS, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "127.0.0.1", + .port = 4098, + .result = SUCCESS, }, { - "bind4 allow all", + .descr = "bind4 deny specific IP & port of TCP, and retry", .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + + /* if (ip == expected && port == expected) */ + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_ip4)), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, + __bpf_constant_ntohl(0x7F000001), 4), + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_port)), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x1002, 2), + + /* return DENY; */ + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_JMP_A(1), + + /* else return ALLOW; */ BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET4_POST_BIND, - BPF_CGROUP_INET4_POST_BIND, - AF_INET, - SOCK_STREAM, - "0.0.0.0", - 0, - SUCCESS, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "127.0.0.1", + .port = 4098, + .port_retry = 5000, + .result = RETRY_SUCCESS, }, { - "bind6 allow all", + .descr = "bind4 deny specific IP & port of UDP, and retry", .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + + /* if (ip == expected && port == expected) */ + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_ip4)), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, + __bpf_constant_ntohl(0x7F000001), 4), + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_port)), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x1002, 2), + + /* return DENY; */ + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_JMP_A(1), + + /* else return ALLOW; */ BPF_MOV64_IMM(BPF_REG_0, 1), BPF_EXIT_INSN(), }, - BPF_CGROUP_INET6_POST_BIND, - BPF_CGROUP_INET6_POST_BIND, - AF_INET6, - SOCK_STREAM, - "::", - 0, - SUCCESS, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .domain = AF_INET, + .type = SOCK_DGRAM, + .ip = "127.0.0.1", + .port = 4098, + .port_retry = 5000, + .result = RETRY_SUCCESS, + }, + { + .descr = "bind6 deny specific IP & port, and retry", + .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + + /* if (ip == expected && port == expected) */ + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_ip6[3])), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, + __bpf_constant_ntohl(0x00000001), 4), + BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6, + offsetof(struct bpf_sock, src_port)), + BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x2001, 2), + + /* return DENY; */ + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_JMP_A(1), + + /* else return ALLOW; */ + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .domain = AF_INET6, + .type = SOCK_STREAM, + .ip = "::1", + .port = 8193, + .port_retry = 9000, + .result = RETRY_SUCCESS, + }, + { + .descr = "bind4 allow all", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .expected_attach_type = BPF_CGROUP_INET4_POST_BIND, + .attach_type = BPF_CGROUP_INET4_POST_BIND, + .domain = AF_INET, + .type = SOCK_STREAM, + .ip = "0.0.0.0", + .result = SUCCESS, + }, + { + .descr = "bind6 allow all", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 1), + BPF_EXIT_INSN(), + }, + .expected_attach_type = BPF_CGROUP_INET6_POST_BIND, + .attach_type = BPF_CGROUP_INET6_POST_BIND, + .domain = AF_INET6, + .type = SOCK_STREAM, + .ip = "::", + .result = SUCCESS, }, }; @@ -328,18 +388,17 @@ static size_t probe_prog_length(const struct bpf_insn *fp) static int load_sock_prog(const struct bpf_insn *prog, enum bpf_attach_type attach_type) { - struct bpf_load_program_attr attr; - int ret; - - memset(&attr, 0, sizeof(struct bpf_load_program_attr)); - attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK; - attr.expected_attach_type = attach_type; - attr.insns = prog; - attr.insns_cnt = probe_prog_length(attr.insns); - attr.license = "GPL"; - attr.log_level = 2; - - ret = bpf_load_program_xattr(&attr, bpf_log_buf, BPF_LOG_BUF_SIZE); + LIBBPF_OPTS(bpf_prog_load_opts, opts); + int ret, insn_cnt; + + insn_cnt = probe_prog_length(prog); + + opts.expected_attach_type = attach_type; + opts.log_buf = bpf_log_buf; + opts.log_size = BPF_LOG_BUF_SIZE; + opts.log_level = 2; + + ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCK, NULL, "GPL", prog, insn_cnt, &opts); if (verbose && ret < 0) fprintf(stderr, "%s\n", bpf_log_buf); @@ -352,14 +411,15 @@ static int attach_sock_prog(int cgfd, int progfd, return bpf_prog_attach(progfd, cgfd, attach_type, BPF_F_ALLOW_OVERRIDE); } -static int bind_sock(int domain, int type, const char *ip, unsigned short port) +static int bind_sock(int domain, int type, const char *ip, + unsigned short port, unsigned short port_retry) { struct sockaddr_storage addr; struct sockaddr_in6 *addr6; struct sockaddr_in *addr4; int sockfd = -1; socklen_t len; - int err = 0; + int res = SUCCESS; sockfd = socket(domain, type, 0); if (sockfd < 0) @@ -385,21 +445,44 @@ static int bind_sock(int domain, int type, const char *ip, unsigned short port) goto err; } - if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) - goto err; + if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) { + /* sys_bind() may fail for different reasons, errno has to be + * checked to confirm that BPF program rejected it. + */ + if (errno != EPERM) + goto err; + if (port_retry) + goto retry; + res = BIND_REJECT; + goto out; + } goto out; +retry: + if (domain == AF_INET) + addr4->sin_port = htons(port_retry); + else + addr6->sin6_port = htons(port_retry); + if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) { + if (errno != EPERM) + goto err; + res = RETRY_REJECT; + } else { + res = RETRY_SUCCESS; + } + goto out; err: - err = -1; + res = -1; out: close(sockfd); - return err; + return res; } static int run_test_case(int cgfd, const struct sock_test *test) { int progfd = -1; int err = 0; + int res; printf("Test case: %s .. ", test->descr); progfd = load_sock_prog(test->insns, test->expected_attach_type); @@ -417,21 +500,11 @@ static int run_test_case(int cgfd, const struct sock_test *test) goto err; } - if (bind_sock(test->domain, test->type, test->ip, test->port) == -1) { - /* sys_bind() may fail for different reasons, errno has to be - * checked to confirm that BPF program rejected it. - */ - if (test->result == BIND_REJECT && errno == EPERM) - goto out; - else - goto err; - } - + res = bind_sock(test->domain, test->type, test->ip, test->port, + test->port_retry); + if (res > 0 && test->result == res) + goto out; - if (test->result != SUCCESS) - goto err; - - goto out; err: err = -1; out: diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c index aa3f185fcb89..f0c8d05ba6d1 100644 --- a/tools/testing/selftests/bpf/test_sock_addr.c +++ b/tools/testing/selftests/bpf/test_sock_addr.c @@ -645,17 +645,14 @@ static int mk_sockaddr(int domain, const char *ip, unsigned short port, static int load_insns(const struct sock_addr_test *test, const struct bpf_insn *insns, size_t insns_cnt) { - struct bpf_load_program_attr load_attr; + LIBBPF_OPTS(bpf_prog_load_opts, opts); int ret; - memset(&load_attr, 0, sizeof(struct bpf_load_program_attr)); - load_attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR; - load_attr.expected_attach_type = test->expected_attach_type; - load_attr.insns = insns; - load_attr.insns_cnt = insns_cnt; - load_attr.license = "GPL"; + opts.expected_attach_type = test->expected_attach_type; + opts.log_buf = bpf_log_buf; + opts.log_size = BPF_LOG_BUF_SIZE; - ret = bpf_load_program_xattr(&load_attr, bpf_log_buf, BPF_LOG_BUF_SIZE); + ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, NULL, "GPL", insns, insns_cnt, &opts); if (ret < 0 && test->expected_result != LOAD_REJECT) { log_err(">>> Loading program error.\n" ">>> Verifier output:\n%s\n-------\n", bpf_log_buf); @@ -666,23 +663,36 @@ static int load_insns(const struct sock_addr_test *test, static int load_path(const struct sock_addr_test *test, const char *path) { - struct bpf_prog_load_attr attr; struct bpf_object *obj; - int prog_fd; + struct bpf_program *prog; + int err; - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = path; - attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR; - attr.expected_attach_type = test->expected_attach_type; - attr.prog_flags = BPF_F_TEST_RND_HI32; + obj = bpf_object__open_file(path, NULL); + err = libbpf_get_error(obj); + if (err) { + log_err(">>> Opening BPF object (%s) error.\n", path); + return -1; + } + + prog = bpf_object__next_program(obj, NULL); + if (!prog) + goto err_out; - if (bpf_prog_load_xattr(&attr, &obj, &prog_fd)) { + bpf_program__set_type(prog, BPF_PROG_TYPE_CGROUP_SOCK_ADDR); + bpf_program__set_expected_attach_type(prog, test->expected_attach_type); + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + + err = bpf_object__load(obj); + if (err) { if (test->expected_result != LOAD_REJECT) log_err(">>> Loading program (%s) error.\n", path); - return -1; + goto err_out; } - return prog_fd; + return bpf_program__fd(prog); +err_out: + bpf_object__close(obj); + return -1; } static int bind4_prog_load(const struct sock_addr_test *test) diff --git a/tools/testing/selftests/bpf/test_stub.c b/tools/testing/selftests/bpf/test_stub.c deleted file mode 100644 index 47e132726203..000000000000 --- a/tools/testing/selftests/bpf/test_stub.c +++ /dev/null @@ -1,44 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) -/* Copyright (C) 2019 Netronome Systems, Inc. */ - -#include <bpf/bpf.h> -#include <bpf/libbpf.h> -#include <string.h> - -int extra_prog_load_log_flags = 0; - -int bpf_prog_test_load(const char *file, enum bpf_prog_type type, - struct bpf_object **pobj, int *prog_fd) -{ - struct bpf_prog_load_attr attr; - - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = file; - attr.prog_type = type; - attr.expected_attach_type = 0; - attr.prog_flags = BPF_F_TEST_RND_HI32; - attr.log_level = extra_prog_load_log_flags; - - return bpf_prog_load_xattr(&attr, pobj, prog_fd); -} - -int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, - size_t insns_cnt, const char *license, - __u32 kern_version, char *log_buf, - size_t log_buf_sz) -{ - struct bpf_load_program_attr load_attr; - - memset(&load_attr, 0, sizeof(struct bpf_load_program_attr)); - load_attr.prog_type = type; - load_attr.expected_attach_type = 0; - load_attr.name = NULL; - load_attr.insns = insns; - load_attr.insns_cnt = insns_cnt; - load_attr.license = license; - load_attr.kern_version = kern_version; - load_attr.prog_flags = BPF_F_TEST_RND_HI32; - load_attr.log_level = extra_prog_load_log_flags; - - return bpf_load_program_xattr(&load_attr, log_buf, log_buf_sz); -} diff --git a/tools/testing/selftests/bpf/test_sysctl.c b/tools/testing/selftests/bpf/test_sysctl.c index a3bb6d399daa..4f6cf833b522 100644 --- a/tools/testing/selftests/bpf/test_sysctl.c +++ b/tools/testing/selftests/bpf/test_sysctl.c @@ -17,6 +17,7 @@ #include "bpf_rlimit.h" #include "bpf_util.h" #include "cgroup_helpers.h" +#include "testing_helpers.h" #define CG_PATH "/foo" #define MAX_INSNS 512 @@ -1435,14 +1436,10 @@ static int load_sysctl_prog_insns(struct sysctl_test *test, const char *sysctl_path) { struct bpf_insn *prog = test->insns; - struct bpf_load_program_attr attr; - int ret; + LIBBPF_OPTS(bpf_prog_load_opts, opts); + int ret, insn_cnt; - memset(&attr, 0, sizeof(struct bpf_load_program_attr)); - attr.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL; - attr.insns = prog; - attr.insns_cnt = probe_prog_length(attr.insns); - attr.license = "GPL"; + insn_cnt = probe_prog_length(prog); if (test->fixup_value_insn) { char buf[128]; @@ -1465,7 +1462,10 @@ static int load_sysctl_prog_insns(struct sysctl_test *test, return -1; } - ret = bpf_load_program_xattr(&attr, bpf_log_buf, BPF_LOG_BUF_SIZE); + opts.log_buf = bpf_log_buf; + opts.log_size = BPF_LOG_BUF_SIZE; + + ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SYSCTL, NULL, "GPL", prog, insn_cnt, &opts); if (ret < 0 && test->result != LOAD_REJECT) { log_err(">>> Loading program error.\n" ">>> Verifier output:\n%s\n-------\n", bpf_log_buf); @@ -1476,15 +1476,10 @@ static int load_sysctl_prog_insns(struct sysctl_test *test, static int load_sysctl_prog_file(struct sysctl_test *test) { - struct bpf_prog_load_attr attr; struct bpf_object *obj; int prog_fd; - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = test->prog_file; - attr.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL; - - if (bpf_prog_load_xattr(&attr, &obj, &prog_fd)) { + if (bpf_prog_test_load(test->prog_file, BPF_PROG_TYPE_CGROUP_SYSCTL, &obj, &prog_fd)) { if (test->result != LOAD_REJECT) log_err(">>> Loading program (%s) error.\n", test->prog_file); diff --git a/tools/testing/selftests/bpf/test_tag.c b/tools/testing/selftests/bpf/test_tag.c index 6272c784ca2a..0851c42ee31c 100644 --- a/tools/testing/selftests/bpf/test_tag.c +++ b/tools/testing/selftests/bpf/test_tag.c @@ -21,6 +21,7 @@ #include "../../../include/linux/filter.h" #include "bpf_rlimit.h" +#include "testing_helpers.h" static struct bpf_insn prog[BPF_MAXINSNS]; @@ -57,7 +58,7 @@ static int bpf_try_load_prog(int insns, int fd_map, int fd_prog; bpf_filler(insns, fd_map); - fd_prog = bpf_load_program(BPF_PROG_TYPE_SCHED_CLS, prog, insns, "", 0, + fd_prog = bpf_test_load_program(BPF_PROG_TYPE_SCHED_CLS, prog, insns, "", 0, NULL, 0); assert(fd_prog > 0); if (fd_map > 0) @@ -184,11 +185,12 @@ static void do_test(uint32_t *tests, int start_insns, int fd_map, int main(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); uint32_t tests = 0; int i, fd_map; - fd_map = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(int), - sizeof(int), 1, BPF_F_NO_PREALLOC); + fd_map = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(int), + sizeof(int), 1, &opts); assert(fd_map > 0); for (i = 0; i < 5; i++) { diff --git a/tools/testing/selftests/bpf/test_tcpnotify_user.c b/tools/testing/selftests/bpf/test_tcpnotify_user.c index 4a39304cc5a6..4c5114765b23 100644 --- a/tools/testing/selftests/bpf/test_tcpnotify_user.c +++ b/tools/testing/selftests/bpf/test_tcpnotify_user.c @@ -25,6 +25,7 @@ #include "test_tcpnotify.h" #include "trace_helpers.h" +#include "testing_helpers.h" #define SOCKET_BUFFER_SIZE (getpagesize() < 8192L ? getpagesize() : 8192L) @@ -71,7 +72,6 @@ int main(int argc, char **argv) { const char *file = "test_tcpnotify_kern.o"; struct bpf_map *perf_map, *global_map; - struct perf_buffer_opts pb_opts = {}; struct tcpnotify_globals g = {0}; struct perf_buffer *pb = NULL; const char *cg_path = "/foo"; @@ -92,7 +92,7 @@ int main(int argc, char **argv) if (cg_fd < 0) goto err; - if (bpf_prog_load(file, BPF_PROG_TYPE_SOCK_OPS, &obj, &prog_fd)) { + if (bpf_prog_test_load(file, BPF_PROG_TYPE_SOCK_OPS, &obj, &prog_fd)) { printf("FAILED: load_bpf_file failed for: %s\n", file); goto err; } @@ -116,8 +116,7 @@ int main(int argc, char **argv) return -1; } - pb_opts.sample_cb = dummyfn; - pb = perf_buffer__new(bpf_map__fd(perf_map), 8, &pb_opts); + pb = perf_buffer__new(bpf_map__fd(perf_map), 8, dummyfn, NULL, NULL, NULL); if (!pb) goto err; diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index d3bf83d5c6cf..76cd903117af 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -41,7 +41,6 @@ # define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1 # endif #endif -#include "bpf_rlimit.h" #include "bpf_rand.h" #include "bpf_util.h" #include "test_btf.h" @@ -462,11 +461,11 @@ static int __create_map(uint32_t type, uint32_t size_key, uint32_t size_value, uint32_t max_elem, uint32_t extra_flags) { + LIBBPF_OPTS(bpf_map_create_opts, opts); int fd; - fd = bpf_create_map(type, size_key, size_value, max_elem, - (type == BPF_MAP_TYPE_HASH ? - BPF_F_NO_PREALLOC : 0) | extra_flags); + opts.map_flags = (type == BPF_MAP_TYPE_HASH ? BPF_F_NO_PREALLOC : 0) | extra_flags; + fd = bpf_map_create(type, NULL, size_key, size_value, max_elem, &opts); if (fd < 0) { if (skip_unsupported_map(type)) return -1; @@ -499,8 +498,7 @@ static int create_prog_dummy_simple(enum bpf_prog_type prog_type, int ret) BPF_EXIT_INSN(), }; - return bpf_load_program(prog_type, prog, - ARRAY_SIZE(prog), "GPL", 0, NULL, 0); + return bpf_prog_load(prog_type, NULL, "GPL", prog, ARRAY_SIZE(prog), NULL); } static int create_prog_dummy_loop(enum bpf_prog_type prog_type, int mfd, @@ -515,8 +513,7 @@ static int create_prog_dummy_loop(enum bpf_prog_type prog_type, int mfd, BPF_EXIT_INSN(), }; - return bpf_load_program(prog_type, prog, - ARRAY_SIZE(prog), "GPL", 0, NULL, 0); + return bpf_prog_load(prog_type, NULL, "GPL", prog, ARRAY_SIZE(prog), NULL); } static int create_prog_array(enum bpf_prog_type prog_type, uint32_t max_elem, @@ -524,8 +521,8 @@ static int create_prog_array(enum bpf_prog_type prog_type, uint32_t max_elem, { int mfd, p1fd, p2fd, p3fd; - mfd = bpf_create_map(BPF_MAP_TYPE_PROG_ARRAY, sizeof(int), - sizeof(int), max_elem, 0); + mfd = bpf_map_create(BPF_MAP_TYPE_PROG_ARRAY, NULL, sizeof(int), + sizeof(int), max_elem, NULL); if (mfd < 0) { if (skip_unsupported_map(BPF_MAP_TYPE_PROG_ARRAY)) return -1; @@ -555,10 +552,11 @@ err: static int create_map_in_map(void) { + LIBBPF_OPTS(bpf_map_create_opts, opts); int inner_map_fd, outer_map_fd; - inner_map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, sizeof(int), - sizeof(int), 1, 0); + inner_map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(int), + sizeof(int), 1, NULL); if (inner_map_fd < 0) { if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY)) return -1; @@ -566,8 +564,9 @@ static int create_map_in_map(void) return inner_map_fd; } - outer_map_fd = bpf_create_map_in_map(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL, - sizeof(int), inner_map_fd, 1, 0); + opts.inner_map_fd = inner_map_fd; + outer_map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL, + sizeof(int), sizeof(int), 1, &opts); if (outer_map_fd < 0) { if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY_OF_MAPS)) return -1; @@ -586,8 +585,8 @@ static int create_cgroup_storage(bool percpu) BPF_MAP_TYPE_CGROUP_STORAGE; int fd; - fd = bpf_create_map(type, sizeof(struct bpf_cgroup_storage_key), - TEST_DATA_LEN, 0, 0); + fd = bpf_map_create(type, NULL, sizeof(struct bpf_cgroup_storage_key), + TEST_DATA_LEN, 0, NULL); if (fd < 0) { if (skip_unsupported_map(type)) return -1; @@ -654,7 +653,7 @@ static int load_btf(void) memcpy(ptr, btf_str_sec, hdr.str_len); ptr += hdr.str_len; - btf_fd = bpf_load_btf(raw_btf, ptr - raw_btf, 0, 0, 0); + btf_fd = bpf_btf_load(raw_btf, ptr - raw_btf, NULL); free(raw_btf); if (btf_fd < 0) return -1; @@ -663,22 +662,17 @@ static int load_btf(void) static int create_map_spin_lock(void) { - struct bpf_create_map_attr attr = { - .name = "test_map", - .map_type = BPF_MAP_TYPE_ARRAY, - .key_size = 4, - .value_size = 8, - .max_entries = 1, + LIBBPF_OPTS(bpf_map_create_opts, opts, .btf_key_type_id = 1, .btf_value_type_id = 3, - }; + ); int fd, btf_fd; btf_fd = load_btf(); if (btf_fd < 0) return -1; - attr.btf_fd = btf_fd; - fd = bpf_create_map_xattr(&attr); + opts.btf_fd = btf_fd; + fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_map", 4, 8, 1, &opts); if (fd < 0) printf("Failed to create map with spin_lock\n"); return fd; @@ -686,24 +680,19 @@ static int create_map_spin_lock(void) static int create_sk_storage_map(void) { - struct bpf_create_map_attr attr = { - .name = "test_map", - .map_type = BPF_MAP_TYPE_SK_STORAGE, - .key_size = 4, - .value_size = 8, - .max_entries = 0, + LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC, .btf_key_type_id = 1, .btf_value_type_id = 3, - }; + ); int fd, btf_fd; btf_fd = load_btf(); if (btf_fd < 0) return -1; - attr.btf_fd = btf_fd; - fd = bpf_create_map_xattr(&attr); - close(attr.btf_fd); + opts.btf_fd = btf_fd; + fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "test_map", 4, 8, 0, &opts); + close(opts.btf_fd); if (fd < 0) printf("Failed to create sk_storage_map\n"); return fd; @@ -711,22 +700,18 @@ static int create_sk_storage_map(void) static int create_map_timer(void) { - struct bpf_create_map_attr attr = { - .name = "test_map", - .map_type = BPF_MAP_TYPE_ARRAY, - .key_size = 4, - .value_size = 16, - .max_entries = 1, + LIBBPF_OPTS(bpf_map_create_opts, opts, .btf_key_type_id = 1, .btf_value_type_id = 5, - }; + ); int fd, btf_fd; btf_fd = load_btf(); if (btf_fd < 0) return -1; - attr.btf_fd = btf_fd; - fd = bpf_create_map_xattr(&attr); + + opts.btf_fd = btf_fd; + fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_map", 4, 16, 1, &opts); if (fd < 0) printf("Failed to create map with timer\n"); return fd; @@ -1089,7 +1074,7 @@ static void do_test_single(struct bpf_test *test, bool unpriv, int fd_prog, expected_ret, alignment_prevented_execution; int prog_len, prog_type = test->prog_type; struct bpf_insn *prog = test->insns; - struct bpf_load_program_attr attr; + LIBBPF_OPTS(bpf_prog_load_opts, opts); int run_errs, run_successes; int map_fds[MAX_NR_MAPS]; const char *expected_err; @@ -1129,32 +1114,34 @@ static void do_test_single(struct bpf_test *test, bool unpriv, test->result_unpriv : test->result; expected_err = unpriv && test->errstr_unpriv ? test->errstr_unpriv : test->errstr; - memset(&attr, 0, sizeof(attr)); - attr.prog_type = prog_type; - attr.expected_attach_type = test->expected_attach_type; - attr.insns = prog; - attr.insns_cnt = prog_len; - attr.license = "GPL"; + + opts.expected_attach_type = test->expected_attach_type; if (verbose) - attr.log_level = 1; + opts.log_level = 1; else if (expected_ret == VERBOSE_ACCEPT) - attr.log_level = 2; + opts.log_level = 2; else - attr.log_level = 4; - attr.prog_flags = pflags; + opts.log_level = 4; + opts.prog_flags = pflags; if (prog_type == BPF_PROG_TYPE_TRACING && test->kfunc) { - attr.attach_btf_id = libbpf_find_vmlinux_btf_id(test->kfunc, - attr.expected_attach_type); - if (attr.attach_btf_id < 0) { + int attach_btf_id; + + attach_btf_id = libbpf_find_vmlinux_btf_id(test->kfunc, + opts.expected_attach_type); + if (attach_btf_id < 0) { printf("FAIL\nFailed to find BTF ID for '%s'!\n", test->kfunc); (*errors)++; return; } + + opts.attach_btf_id = attach_btf_id; } - fd_prog = bpf_load_program_xattr(&attr, bpf_vlog, sizeof(bpf_vlog)); + opts.log_buf = bpf_vlog; + opts.log_size = sizeof(bpf_vlog); + fd_prog = bpf_prog_load(prog_type, NULL, "GPL", prog, prog_len, &opts); saved_errno = errno; /* BPF_PROG_TYPE_TRACING requires more setup and @@ -1407,6 +1394,9 @@ int main(int argc, char **argv) return EXIT_FAILURE; } + /* Use libbpf 1.0 API mode */ + libbpf_set_strict_mode(LIBBPF_STRICT_ALL); + bpf_semi_rand_init(); return do_test(unpriv, from, to); } diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c index 800d503e5cb4..795b6798ccee 100644 --- a/tools/testing/selftests/bpf/testing_helpers.c +++ b/tools/testing/selftests/bpf/testing_helpers.c @@ -1,7 +1,11 @@ // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +/* Copyright (C) 2019 Netronome Systems, Inc. */ /* Copyright (C) 2020 Facebook, Inc. */ #include <stdlib.h> +#include <string.h> #include <errno.h> +#include <bpf/bpf.h> +#include <bpf/libbpf.h> #include "testing_helpers.h" int parse_num_list(const char *s, bool **num_set, int *num_set_len) @@ -78,3 +82,61 @@ __u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info) } return info->prog_id; } + +int extra_prog_load_log_flags = 0; + +int bpf_prog_test_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd) +{ + LIBBPF_OPTS(bpf_object_open_opts, opts, + .kernel_log_level = extra_prog_load_log_flags, + ); + struct bpf_object *obj; + struct bpf_program *prog; + __u32 flags; + int err; + + obj = bpf_object__open_file(file, &opts); + if (!obj) + return -errno; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + if (type != BPF_PROG_TYPE_UNSPEC) + bpf_program__set_type(prog, type); + + flags = bpf_program__flags(prog) | BPF_F_TEST_RND_HI32; + bpf_program__set_flags(prog, flags); + + err = bpf_object__load(obj); + if (err) + goto err_out; + + *pobj = obj; + *prog_fd = bpf_program__fd(prog); + + return 0; +err_out: + bpf_object__close(obj); + return err; +} + +int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t insns_cnt, const char *license, + __u32 kern_version, char *log_buf, + size_t log_buf_sz) +{ + LIBBPF_OPTS(bpf_prog_load_opts, opts, + .kern_version = kern_version, + .prog_flags = BPF_F_TEST_RND_HI32, + .log_level = extra_prog_load_log_flags, + .log_buf = log_buf, + .log_size = log_buf_sz, + ); + + return bpf_prog_load(type, NULL, license, insns, insns_cnt, &opts); +} diff --git a/tools/testing/selftests/bpf/testing_helpers.h b/tools/testing/selftests/bpf/testing_helpers.h index d4f8e749611b..f46ebc476ee8 100644 --- a/tools/testing/selftests/bpf/testing_helpers.h +++ b/tools/testing/selftests/bpf/testing_helpers.h @@ -6,3 +6,9 @@ int parse_num_list(const char *s, bool **set, int *set_len); __u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info); +int bpf_prog_test_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd); +int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t insns_cnt, const char *license, + __u32 kern_version, char *log_buf, + size_t log_buf_sz); diff --git a/tools/testing/selftests/bpf/verifier/btf_ctx_access.c b/tools/testing/selftests/bpf/verifier/btf_ctx_access.c new file mode 100644 index 000000000000..6340db6b46dc --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/btf_ctx_access.c @@ -0,0 +1,12 @@ +{ + "btf_ctx_access accept", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 8), /* load 2nd argument value (int pointer) */ + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_TRACE_FENTRY, + .kfunc = "bpf_modify_return_test", +}, diff --git a/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c b/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c index d78627be060f..a2b006e2fd06 100644 --- a/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c +++ b/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c @@ -229,6 +229,24 @@ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sk_lookup, local_port)), + /* 1-byte read from ingress_ifindex field */ + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex)), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex) + 1), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2), + BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex) + 3), + /* 2-byte read from ingress_ifindex field */ + BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex)), + BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2), + /* 4-byte read from ingress_ifindex field */ + BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex)), + /* 8-byte read from sk field */ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sk_lookup, sk)), @@ -351,6 +369,20 @@ .expected_attach_type = BPF_SK_LOOKUP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "invalid 8-byte read from bpf_sk_lookup ingress_ifindex field", + .insns = { + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, + offsetof(struct bpf_sk_lookup, ingress_ifindex)), + BPF_MOV32_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "invalid bpf_context access", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_SK_LOOKUP, + .expected_attach_type = BPF_SK_LOOKUP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, /* invalid 1,2,4-byte reads from 8-byte fields in bpf_sk_lookup */ { "invalid 4-byte read from bpf_sk_lookup sk field", diff --git a/tools/testing/selftests/bpf/verifier/spill_fill.c b/tools/testing/selftests/bpf/verifier/spill_fill.c index 6c907144311f..1a8eb9672bd1 100644 --- a/tools/testing/selftests/bpf/verifier/spill_fill.c +++ b/tools/testing/selftests/bpf/verifier/spill_fill.c @@ -59,6 +59,34 @@ .result_unpriv = ACCEPT, }, { + "check with invalid reg offset 0", + .insns = { + /* reserve 8 byte ringbuf memory */ + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_MOV64_IMM(BPF_REG_2, 8), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve), + /* store a pointer to the reserved memory in R6 */ + BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), + /* add invalid offset to memory or NULL */ + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), + /* check whether the reservation was successful */ + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), + /* should not be able to access *(R7) = 0 */ + BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0), + /* submit the reserved ringbuf memory */ + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_IMM(BPF_REG_2, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map_ringbuf = { 1 }, + .result = REJECT, + .errstr = "R0 pointer arithmetic on mem_or_null prohibited", +}, +{ "check corrupted spill/fill", .insns = { /* spill R1(ctx) into stack */ diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 027198768fad..b3afd43549fa 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -4,18 +4,35 @@ set -u set -e -# This script currently only works for x86_64, as -# it is based on the VM image used by the BPF CI which is -# x86_64. -QEMU_BINARY="${QEMU_BINARY:="qemu-system-x86_64"}" -X86_BZIMAGE="arch/x86/boot/bzImage" +# This script currently only works for x86_64 and s390x, as +# it is based on the VM image used by the BPF CI, which is +# available only for these architectures. +ARCH="$(uname -m)" +case "${ARCH}" in +s390x) + QEMU_BINARY=qemu-system-s390x + QEMU_CONSOLE="ttyS1" + QEMU_FLAGS=(-smp 2) + BZIMAGE="arch/s390/boot/compressed/vmlinux" + ;; +x86_64) + QEMU_BINARY=qemu-system-x86_64 + QEMU_CONSOLE="ttyS0,115200" + QEMU_FLAGS=(-cpu host -smp 8) + BZIMAGE="arch/x86/boot/bzImage" + ;; +*) + echo "Unsupported architecture" + exit 1 + ;; +esac DEFAULT_COMMAND="./test_progs" MOUNT_DIR="mnt" ROOTFS_IMAGE="root.img" OUTPUT_DIR="$HOME/.bpf_selftests" -KCONFIG_URL="https://raw.githubusercontent.com/libbpf/libbpf/master/travis-ci/vmtest/configs/latest.config" -KCONFIG_API_URL="https://api.github.com/repos/libbpf/libbpf/contents/travis-ci/vmtest/configs/latest.config" -INDEX_URL="https://raw.githubusercontent.com/libbpf/libbpf/master/travis-ci/vmtest/configs/INDEX" +KCONFIG_URL="https://raw.githubusercontent.com/libbpf/libbpf/master/travis-ci/vmtest/configs/config-latest.${ARCH}" +KCONFIG_API_URL="https://api.github.com/repos/libbpf/libbpf/contents/travis-ci/vmtest/configs/config-latest.${ARCH}" +INDEX_URL="https://raw.githubusercontent.com/libbpf/ci/master/INDEX" NUM_COMPILE_JOBS="$(nproc)" LOG_FILE_BASE="$(date +"bpf_selftests.%Y-%m-%d_%H-%M-%S")" LOG_FILE="${LOG_FILE_BASE}.log" @@ -85,7 +102,7 @@ newest_rootfs_version() { { for file in "${!URLS[@]}"; do - if [[ $file =~ ^libbpf-vmtest-rootfs-(.*)\.tar\.zst$ ]]; then + if [[ $file =~ ^"${ARCH}"/libbpf-vmtest-rootfs-(.*)\.tar\.zst$ ]]; then echo "${BASH_REMATCH[1]}" fi done @@ -102,7 +119,7 @@ download_rootfs() exit 1 fi - download "libbpf-vmtest-rootfs-$rootfsversion.tar.zst" | + download "${ARCH}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" | zstd -d | sudo tar -C "$dir" -x } @@ -224,13 +241,12 @@ EOF -nodefaults \ -display none \ -serial mon:stdio \ - -cpu host \ + "${qemu_flags[@]}" \ -enable-kvm \ - -smp 8 \ -m 4G \ -drive file="${rootfs_img}",format=raw,index=1,media=disk,if=virtio,cache=none \ -kernel "${kernel_bzimage}" \ - -append "root=/dev/vda rw console=ttyS0,115200" + -append "root=/dev/vda rw console=${QEMU_CONSOLE}" } copy_logs() @@ -282,7 +298,7 @@ main() local kernel_checkout=$(realpath "${script_dir}"/../../../../) # By default the script searches for the kernel in the checkout directory but # it also obeys environment variables O= and KBUILD_OUTPUT= - local kernel_bzimage="${kernel_checkout}/${X86_BZIMAGE}" + local kernel_bzimage="${kernel_checkout}/${BZIMAGE}" local command="${DEFAULT_COMMAND}" local update_image="no" local exit_command="poweroff -f" @@ -337,13 +353,13 @@ main() if is_rel_path "${O}"; then O="$(realpath "${PWD}/${O}")" fi - kernel_bzimage="${O}/${X86_BZIMAGE}" + kernel_bzimage="${O}/${BZIMAGE}" make_command="${make_command} O=${O}" elif [[ "${KBUILD_OUTPUT:=""}" != "" ]]; then if is_rel_path "${KBUILD_OUTPUT}"; then KBUILD_OUTPUT="$(realpath "${PWD}/${KBUILD_OUTPUT}")" fi - kernel_bzimage="${KBUILD_OUTPUT}/${X86_BZIMAGE}" + kernel_bzimage="${KBUILD_OUTPUT}/${BZIMAGE}" make_command="${make_command} KBUILD_OUTPUT=${KBUILD_OUTPUT}" fi diff --git a/tools/testing/selftests/bpf/xdp_redirect_multi.c b/tools/testing/selftests/bpf/xdp_redirect_multi.c index f5ffba341c17..51c8224b4ccc 100644 --- a/tools/testing/selftests/bpf/xdp_redirect_multi.c +++ b/tools/testing/selftests/bpf/xdp_redirect_multi.c @@ -85,10 +85,7 @@ int main(int argc, char **argv) { int prog_fd, group_all, mac_map; struct bpf_program *ingress_prog, *egress_prog; - struct bpf_prog_load_attr prog_load_attr = { - .prog_type = BPF_PROG_TYPE_UNSPEC, - }; - int i, ret, opt, egress_prog_fd = 0; + int i, err, ret, opt, egress_prog_fd = 0; struct bpf_devmap_val devmap_val; bool attach_egress_prog = false; unsigned char mac_addr[6]; @@ -147,10 +144,14 @@ int main(int argc, char **argv) printf("\n"); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - prog_load_attr.file = filename; - - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) + obj = bpf_object__open_file(filename, NULL); + err = libbpf_get_error(obj); + if (err) + goto err_out; + err = bpf_object__load(obj); + if (err) goto err_out; + prog_fd = bpf_program__fd(bpf_object__next_program(obj, NULL)); if (attach_egress_prog) group_all = bpf_object__find_map_fd_by_name(obj, "map_egress"); diff --git a/tools/testing/selftests/bpf/xdping.c b/tools/testing/selftests/bpf/xdping.c index 30f12637f4e4..baa870a759a2 100644 --- a/tools/testing/selftests/bpf/xdping.c +++ b/tools/testing/selftests/bpf/xdping.c @@ -22,6 +22,7 @@ #include "bpf/libbpf.h" #include "xdping.h" +#include "testing_helpers.h" static int ifindex; static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST; @@ -173,7 +174,7 @@ int main(int argc, char **argv) snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - if (bpf_prog_load(filename, BPF_PROG_TYPE_XDP, &obj, &prog_fd)) { + if (bpf_prog_test_load(filename, BPF_PROG_TYPE_XDP, &obj, &prog_fd)) { fprintf(stderr, "load of %s failed\n", filename); return 1; } diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index 6c7cf8aadc79..0a5d23da486d 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -100,6 +100,12 @@ #include "xdpxceiver.h" #include "../kselftest.h" +/* AF_XDP APIs were moved into libxdp and marked as deprecated in libbpf. + * Until xdpxceiver is either moved or re-writed into libxdp, suppress + * deprecation warnings in this file + */ +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" + static const char *MAC1 = "\x00\x0A\x56\x9E\xEE\x62"; static const char *MAC2 = "\x00\x0A\x56\x9E\xEE\x61"; static const char *IP1 = "192.168.100.162"; @@ -744,7 +750,6 @@ static void receive_pkts(struct pkt_stream *pkt_stream, struct xsk_socket_info * struct pkt *pkt = pkt_stream_get_next_rx_pkt(pkt_stream); struct xsk_umem_info *umem = xsk->umem; u32 idx_rx = 0, idx_fq = 0, rcvd, i; - u32 total = 0; int ret; while (pkt) { @@ -799,7 +804,6 @@ static void receive_pkts(struct pkt_stream *pkt_stream, struct xsk_socket_info * pthread_mutex_lock(&pacing_mutex); pkts_in_flight -= rcvd; - total += rcvd; if (pkts_in_flight < umem->num_frames) pthread_cond_signal(&pacing_cond); pthread_mutex_unlock(&pacing_mutex); @@ -1219,7 +1223,7 @@ static bool hugepages_present(struct ifobject *ifobject) void *bufs; bufs = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_HUGETLB, -1, 0); + MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); if (bufs == MAP_FAILED) return false; @@ -1366,6 +1370,10 @@ static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_ testapp_invalid_desc(test); break; case TEST_TYPE_UNALIGNED_INV_DESC: + if (!hugepages_present(test->ifobj_tx)) { + ksft_test_result_skip("No 2M huge pages present.\n"); + return; + } test_spec_set_name(test, "UNALIGNED_INV_DESC"); test->ifobj_tx->umem->unaligned_mode = true; test->ifobj_rx->umem->unaligned_mode = true; diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh index 10e0f3dbc930..5f6eb965cfd1 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh @@ -217,9 +217,11 @@ short_payload_get() dest_mac=$(mac_get $h1) p=$(: )"08:"$( : VXLAN flags - )"01:00:00:"$( : VXLAN reserved + )"00:00:00:"$( : VXLAN reserved )"00:03:e8:"$( : VXLAN VNI : 1000 )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"00:00:00:00:00:00:"$( : ETH saddr ) echo $p } @@ -263,7 +265,8 @@ decap_error_test() corrupted_packet_test "Decap error: Reserved bits in use" \ "reserved_bits_payload_get" - corrupted_packet_test "Decap error: No L2 header" "short_payload_get" + corrupted_packet_test "Decap error: Too short inner packet" \ + "short_payload_get" } mc_smac_payload_get() diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan_ipv6.sh new file mode 100755 index 000000000000..f6c16cbb6cf7 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan_ipv6.sh @@ -0,0 +1,342 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test devlink-trap tunnel drops and exceptions functionality over mlxsw. +# Check all traps to make sure they are triggered under the right +# conditions. + +# +------------------------+ +# | H1 (vrf) | +# | + $h1 | +# | | 2001:db8:1::1/64 | +# +----|-------------------+ +# | +# +----|----------------------------------------------------------------------+ +# | SW | | +# | +--|--------------------------------------------------------------------+ | +# | | + $swp1 BR1 (802.1d) | | +# | | | | +# | | + vx1 (vxlan) | | +# | | local 2001:db8:3::1 | | +# | | id 1000 dstport $VXPORT | | +# | +-----------------------------------------------------------------------+ | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|--------------------------------------------------------+ +# | | VRF2 | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | +# +-------------------------------------------------------------+ + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + decap_error_test + overlay_smac_is_mc_test +" + +NUM_NETIFS=4 +source $lib_dir/lib.sh +source $lib_dir/tc_common.sh +source $lib_dir/devlink_lib.sh + +: ${VXPORT:=4789} +export VXPORT + +h1_create() +{ + simple_if_init $h1 2001:db8:1::1/64 +} + +h1_destroy() +{ + simple_if_fini $h1 2001:db8:1::1/64 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 0 mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + tc qdisc add dev $swp1 clsact + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + + ip link add name vx1 type vxlan id 1000 local 2001:db8:3::1 \ + dstport "$VXPORT" nolearning udp6zerocsumrx udp6zerocsumtx \ + tos inherit ttl 100 + ip link set dev vx1 master br1 + ip link set dev vx1 up + + ip link set dev $rp1 up + ip address add dev $rp1 2001:db8:3::1/64 +} + +switch_destroy() +{ + ip address del dev $rp1 2001:db8:3::1/64 + ip link set dev $rp1 down + + ip link set dev vx1 down + ip link set dev vx1 nomaster + ip link del dev vx1 + + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + tc qdisc del dev $swp1 clsact + + ip link set dev br1 down + ip link del dev br1 +} + +vrf2_create() +{ + simple_if_init $rp2 2001:db8:3::2/64 +} + +vrf2_destroy() +{ + simple_if_fini $rp2 2001:db8:3::2/64 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + rp1=${NETIFS[p3]} + rp2=${NETIFS[p4]} + + vrf_prepare + forwarding_enable + h1_create + switch_create + vrf2_create +} + +cleanup() +{ + pre_cleanup + + vrf2_destroy + switch_destroy + h1_destroy + forwarding_restore + vrf_cleanup +} + +ecn_payload_get() +{ + local dest_mac=$(mac_get $h1) + local saddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:03" + local daddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01" + p=$(: + )"08:"$( : VXLAN flags + )"00:00:00:"$( : VXLAN reserved + )"00:03:e8:"$( : VXLAN VNI : 1000 + )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"00:00:00:00:00:00:"$( : ETH saddr + )"86:dd:"$( : ETH type + )"6"$( : IP version + )"0:0"$( : Traffic class + )"0:00:00:"$( : Flow label + )"00:08:"$( : Payload length + )"3a:"$( : Next header + )"04:"$( : Hop limit + )"$saddr:"$( : IP saddr + )"$daddr:"$( : IP daddr + )"80:"$( : ICMPv6.type + )"00:"$( : ICMPv6.code + )"00:"$( : ICMPv6.checksum + ) + echo $p +} + +ecn_decap_test() +{ + local trap_name="decap_error" + local desc=$1; shift + local ecn_desc=$1; shift + local outer_tos=$1; shift + local mz_pid + + RET=0 + + tc filter add dev $swp1 egress protocol ipv6 pref 1 handle 101 \ + flower src_ip 2001:db8:1::3 dst_ip 2001:db8:1::1 action pass + + rp1_mac=$(mac_get $rp1) + payload=$(ecn_payload_get) + + ip vrf exec v$rp2 $MZ -6 $rp2 -c 0 -d 1msec -b $rp1_mac \ + -B 2001:db8:3::1 -t udp \ + sp=12345,dp=$VXPORT,tos=$outer_tos,p=$payload -q & + mz_pid=$! + + devlink_trap_exception_test $trap_name + + tc_check_packets "dev $swp1 egress" 101 0 + check_err $? "Packets were not dropped" + + log_test "$desc: Inner ECN is not ECT and outer is $ecn_desc" + + kill $mz_pid && wait $mz_pid &> /dev/null + tc filter del dev $swp1 egress protocol ipv6 pref 1 handle 101 flower +} + +reserved_bits_payload_get() +{ + local dest_mac=$(mac_get $h1) + local saddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:03" + local daddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01" + p=$(: + )"08:"$( : VXLAN flags + )"01:00:00:"$( : VXLAN reserved + )"00:03:e8:"$( : VXLAN VNI : 1000 + )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"00:00:00:00:00:00:"$( : ETH saddr + )"86:dd:"$( : ETH type + )"6"$( : IP version + )"0:0"$( : Traffic class + )"0:00:00:"$( : Flow label + )"00:08:"$( : Payload length + )"3a:"$( : Next header + )"04:"$( : Hop limit + )"$saddr:"$( : IP saddr + )"$daddr:"$( : IP daddr + )"80:"$( : ICMPv6.type + )"00:"$( : ICMPv6.code + )"00:"$( : ICMPv6.checksum + ) + echo $p +} + +short_payload_get() +{ + dest_mac=$(mac_get $h1) + p=$(: + )"08:"$( : VXLAN flags + )"00:00:00:"$( : VXLAN reserved + )"00:03:e8:"$( : VXLAN VNI : 1000 + )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"00:00:00:00:00:00:"$( : ETH saddr + ) + echo $p +} + +corrupted_packet_test() +{ + local trap_name="decap_error" + local desc=$1; shift + local payload_get=$1; shift + local mz_pid + + RET=0 + + # In case of too short packet, there is no any inner packet, + # so the matching will always succeed + tc filter add dev $swp1 egress protocol ipv6 pref 1 handle 101 \ + flower skip_hw src_ip 2001:db8:3::1 dst_ip 2001:db8:1::1 \ + action pass + + rp1_mac=$(mac_get $rp1) + payload=$($payload_get) + ip vrf exec v$rp2 $MZ -6 $rp2 -c 0 -d 1msec -b $rp1_mac \ + -B 2001:db8:3::1 -t udp sp=12345,dp=$VXPORT,p=$payload -q & + mz_pid=$! + + devlink_trap_exception_test $trap_name + + tc_check_packets "dev $swp1 egress" 101 0 + check_err $? "Packets were not dropped" + + log_test "$desc" + + kill $mz_pid && wait $mz_pid &> /dev/null + tc filter del dev $swp1 egress protocol ipv6 pref 1 handle 101 flower +} + +decap_error_test() +{ + ecn_decap_test "Decap error" "ECT(1)" 01 + ecn_decap_test "Decap error" "ECT(0)" 02 + ecn_decap_test "Decap error" "CE" 03 + + corrupted_packet_test "Decap error: Reserved bits in use" \ + "reserved_bits_payload_get" + corrupted_packet_test "Decap error: Too short inner packet" \ + "short_payload_get" +} + +mc_smac_payload_get() +{ + local dest_mac=$(mac_get $h1) + local source_mac="01:02:03:04:05:06" + local saddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:03" + local daddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01" + p=$(: + )"08:"$( : VXLAN flags + )"00:00:00:"$( : VXLAN reserved + )"00:03:e8:"$( : VXLAN VNI : 1000 + )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"$source_mac:"$( : ETH saddr + )"86:dd:"$( : ETH type + )"6"$( : IP version + )"0:0"$( : Traffic class + )"0:00:00:"$( : Flow label + )"00:08:"$( : Payload length + )"3a:"$( : Next header + )"04:"$( : Hop limit + )"$saddr:"$( : IP saddr + )"$daddr:"$( : IP daddr + )"80:"$( : ICMPv6.type + )"00:"$( : ICMPv6.code + )"00:"$( : ICMPv6.checksum + ) + echo $p +} + +overlay_smac_is_mc_test() +{ + local trap_name="overlay_smac_is_mc" + local mz_pid + + RET=0 + + # The matching will be checked on devlink_trap_drop_test() + # and the filter will be removed on devlink_trap_drop_cleanup() + tc filter add dev $swp1 egress protocol ipv6 pref 1 handle 101 \ + flower src_mac 01:02:03:04:05:06 action pass + + rp1_mac=$(mac_get $rp1) + payload=$(mc_smac_payload_get) + + ip vrf exec v$rp2 $MZ -6 $rp2 -c 0 -d 1msec -b $rp1_mac \ + -B 2001:db8:3::1 -t udp sp=12345,dp=$VXPORT,p=$payload -q & + mz_pid=$! + + devlink_trap_drop_test $trap_name $swp1 101 + + log_test "Overlay source MAC is multicast" + + devlink_trap_drop_cleanup $mz_pid $swp1 "ipv6" 1 101 +} + +trap cleanup EXIT + +setup_prepare +setup_wait +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh new file mode 100755 index 000000000000..429f7ee735cf --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh @@ -0,0 +1,322 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test VxLAN flooding. The device stores flood records in a singly linked list +# where each record stores up to four IPv6 addresses of remote VTEPs. The test +# verifies that packets are correctly flooded in various cases such as deletion +# of a record in the middle of the list. +# +# +-----------------------+ +# | H1 (vrf) | +# | + $h1 | +# | | 2001:db8:1::1/64 | +# +----|------------------+ +# | +# +----|----------------------------------------------------------------------+ +# | SW | | +# | +--|--------------------------------------------------------------------+ | +# | | + $swp1 BR0 (802.1d) | | +# | | | | +# | | + vxlan0 (vxlan) | | +# | | local 2001:db8:2::1 | | +# | | remote 2001:db8:2::{2..17} | | +# | | id 10 dstport 4789 | | +# | +-----------------------------------------------------------------------+ | +# | | +# | 2001:db8:2::0/64 via 2001:db8:3::2 | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|--------------------------------------------------------+ +# | | R2 (vrf) | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | +# +-------------------------------------------------------------+ + +lib_dir=$(dirname $0)/../../../../net/forwarding + +ALL_TESTS="flooding_test" +NUM_NETIFS=4 +source $lib_dir/tc_common.sh +source $lib_dir/lib.sh + +h1_create() +{ + simple_if_init $h1 2001:db8:1::1/64 +} + +h1_destroy() +{ + simple_if_fini $h1 2001:db8:1::1/64 +} + +switch_create() +{ + # Make sure the bridge uses the MAC address of the local port and + # not that of the VxLAN's device + ip link add dev br0 type bridge mcast_snooping 0 + ip link set dev br0 address $(mac_get $swp1) + + ip link add name vxlan0 type vxlan id 10 nolearning \ + udp6zerocsumrx udp6zerocsumtx ttl 20 tos inherit \ + local 2001:db8:2::1 dstport 4789 + + ip address add 2001:db8:2::1/128 dev lo + + ip link set dev $swp1 master br0 + ip link set dev vxlan0 master br0 + + ip link set dev br0 up + ip link set dev $swp1 up + ip link set dev vxlan0 up +} + +switch_destroy() +{ + ip link set dev vxlan0 down + ip link set dev $swp1 down + ip link set dev br0 down + + ip link set dev vxlan0 nomaster + ip link set dev $swp1 nomaster + + ip address del 2001:db8:2::1/128 dev lo + + ip link del dev vxlan0 + + ip link del dev br0 +} + +router1_create() +{ + # This router is in the default VRF, where the VxLAN device is + # performing the L3 lookup + ip link set dev $rp1 up + ip address add 2001:db8:3::1/64 dev $rp1 + ip route add 2001:db8:2::0/64 via 2001:db8:3::2 +} + +router1_destroy() +{ + ip route del 2001:db8:2::0/64 via 2001:db8:3::2 + ip address del 2001:db8:3::1/64 dev $rp1 + ip link set dev $rp1 down +} + +router2_create() +{ + # This router is not in the default VRF, so use simple_if_init() + simple_if_init $rp2 2001:db8:3::2/64 +} + +router2_destroy() +{ + simple_if_fini $rp2 2001:db8:3::2/64 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + rp1=${NETIFS[p3]} + rp2=${NETIFS[p4]} + + vrf_prepare + + h1_create + + switch_create + + router1_create + router2_create + + forwarding_enable +} + +cleanup() +{ + pre_cleanup + + forwarding_restore + + router2_destroy + router1_destroy + + switch_destroy + + h1_destroy + + vrf_cleanup +} + +flooding_remotes_add() +{ + local num_remotes=$1 + local lsb + local i + + for i in $(eval echo {1..$num_remotes}); do + lsb=$((i + 1)) + + bridge fdb append 00:00:00:00:00:00 dev vxlan0 self \ + dst 2001:db8:2::$lsb + done +} + +flooding_filters_add() +{ + local num_remotes=$1 + local lsb + local i + + tc qdisc add dev $rp2 clsact + + for i in $(eval echo {1..$num_remotes}); do + lsb=$((i + 1)) + + tc filter add dev $rp2 ingress protocol ipv6 pref $i handle $i \ + flower ip_proto udp dst_ip 2001:db8:2::$lsb \ + dst_port 4789 skip_sw action drop + done +} + +flooding_filters_del() +{ + local num_remotes=$1 + local i + + for i in $(eval echo {1..$num_remotes}); do + tc filter del dev $rp2 ingress protocol ipv6 pref $i \ + handle $i flower + done + + tc qdisc del dev $rp2 clsact +} + +flooding_check_packets() +{ + local packets=("$@") + local num_remotes=${#packets[@]} + local i + + for i in $(eval echo {1..$num_remotes}); do + tc_check_packets "dev $rp2 ingress" $i ${packets[i - 1]} + check_err $? "remote $i - did not get expected number of packets" + done +} + +flooding_test() +{ + # Use 16 remote VTEPs that will be stored in 4 records. The array + # 'packets' will store how many packets are expected to be received + # by each remote VTEP at each stage of the test + declare -a packets=(1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1) + local num_remotes=16 + + RET=0 + + # Add FDB entries for remote VTEPs and corresponding tc filters on the + # ingress of the nexthop router. These filters will count how many + # packets were flooded to each remote VTEP + flooding_remotes_add $num_remotes + flooding_filters_add $num_remotes + + # Send one packet and make sure it is flooded to all the remote VTEPs + $MZ $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 1 packet" + + # Delete the third record which corresponds to VTEPs with LSB 10..13 + # and check that packet is flooded correctly when we remove a record + # from the middle of the list + RET=0 + + packets=(2 2 2 2 2 2 2 2 1 1 1 1 2 2 2 2) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::10 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::11 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::12 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::13 + + $MZ $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 2 packets" + + # Delete the first record and make sure the packet is flooded correctly + RET=0 + + packets=(2 2 2 2 3 3 3 3 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::2 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::3 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::4 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::5 + + $MZ $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 3 packets" + + # Delete the last record and make sure the packet is flooded correctly + RET=0 + + packets=(2 2 2 2 4 4 4 4 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::14 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::15 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::16 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::17 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 4 packets" + + # Delete the last record, one entry at a time and make sure single + # entries are correctly removed + RET=0 + + packets=(2 2 2 2 4 5 5 5 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::6 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 5 packets" + + RET=0 + + packets=(2 2 2 2 4 5 6 6 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::7 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 6 packets" + + RET=0 + + packets=(2 2 2 2 4 5 6 7 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::8 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 7 packets" + + RET=0 + + packets=(2 2 2 2 4 5 6 7 1 1 1 1 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::9 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 8 packets" + + flooding_filters_del $num_remotes +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/vxlan_flooding_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/vxlan_flooding_ipv6.sh new file mode 100755 index 000000000000..d8fd875ad527 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/vxlan_flooding_ipv6.sh @@ -0,0 +1,334 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test VxLAN flooding. The device stores flood records in a singly linked list +# where each record stores up to five IPv6 addresses of remote VTEPs. The test +# verifies that packets are correctly flooded in various cases such as deletion +# of a record in the middle of the list. +# +# +-----------------------+ +# | H1 (vrf) | +# | + $h1 | +# | | 2001:db8:1::1/64 | +# +----|------------------+ +# | +# +----|----------------------------------------------------------------------+ +# | SW | | +# | +--|--------------------------------------------------------------------+ | +# | | + $swp1 BR0 (802.1d) | | +# | | | | +# | | + vxlan0 (vxlan) | | +# | | local 2001:db8:2::1 | | +# | | remote 2001:db8:2::{2..21} | | +# | | id 10 dstport 4789 | | +# | +-----------------------------------------------------------------------+ | +# | | +# | 2001:db8:2::0/64 via 2001:db8:3::2 | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|--------------------------------------------------------+ +# | | R2 (vrf) | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | +# +-------------------------------------------------------------+ + +lib_dir=$(dirname $0)/../../../../net/forwarding + +ALL_TESTS="flooding_test" +NUM_NETIFS=4 +source $lib_dir/tc_common.sh +source $lib_dir/lib.sh + +h1_create() +{ + simple_if_init $h1 2001:db8:1::1/64 +} + +h1_destroy() +{ + simple_if_fini $h1 2001:db8:1::1/64 +} + +switch_create() +{ + # Make sure the bridge uses the MAC address of the local port and + # not that of the VxLAN's device + ip link add dev br0 type bridge mcast_snooping 0 + ip link set dev br0 address $(mac_get $swp1) + + ip link add name vxlan0 type vxlan id 10 nolearning \ + udp6zerocsumrx udp6zerocsumtx ttl 20 tos inherit \ + local 2001:db8:2::1 dstport 4789 + + ip address add 2001:db8:2::1/128 dev lo + + ip link set dev $swp1 master br0 + ip link set dev vxlan0 master br0 + + ip link set dev br0 up + ip link set dev $swp1 up + ip link set dev vxlan0 up +} + +switch_destroy() +{ + ip link set dev vxlan0 down + ip link set dev $swp1 down + ip link set dev br0 down + + ip link set dev vxlan0 nomaster + ip link set dev $swp1 nomaster + + ip address del 2001:db8:2::1/128 dev lo + + ip link del dev vxlan0 + + ip link del dev br0 +} + +router1_create() +{ + # This router is in the default VRF, where the VxLAN device is + # performing the L3 lookup + ip link set dev $rp1 up + ip address add 2001:db8:3::1/64 dev $rp1 + ip route add 2001:db8:2::0/64 via 2001:db8:3::2 +} + +router1_destroy() +{ + ip route del 2001:db8:2::0/64 via 2001:db8:3::2 + ip address del 2001:db8:3::1/64 dev $rp1 + ip link set dev $rp1 down +} + +router2_create() +{ + # This router is not in the default VRF, so use simple_if_init() + simple_if_init $rp2 2001:db8:3::2/64 +} + +router2_destroy() +{ + simple_if_fini $rp2 2001:db8:3::2/64 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + rp1=${NETIFS[p3]} + rp2=${NETIFS[p4]} + + vrf_prepare + + h1_create + + switch_create + + router1_create + router2_create + + forwarding_enable +} + +cleanup() +{ + pre_cleanup + + forwarding_restore + + router2_destroy + router1_destroy + + switch_destroy + + h1_destroy + + vrf_cleanup +} + +flooding_remotes_add() +{ + local num_remotes=$1 + local lsb + local i + + for i in $(eval echo {1..$num_remotes}); do + lsb=$((i + 1)) + + bridge fdb append 00:00:00:00:00:00 dev vxlan0 self \ + dst 2001:db8:2::$lsb + done +} + +flooding_filters_add() +{ + local num_remotes=$1 + local lsb + local i + + tc qdisc add dev $rp2 clsact + + for i in $(eval echo {1..$num_remotes}); do + lsb=$((i + 1)) + + tc filter add dev $rp2 ingress protocol ipv6 pref $i handle $i \ + flower ip_proto udp dst_ip 2001:db8:2::$lsb \ + dst_port 4789 skip_sw action drop + done +} + +flooding_filters_del() +{ + local num_remotes=$1 + local i + + for i in $(eval echo {1..$num_remotes}); do + tc filter del dev $rp2 ingress protocol ipv6 pref $i \ + handle $i flower + done + + tc qdisc del dev $rp2 clsact +} + +flooding_check_packets() +{ + local packets=("$@") + local num_remotes=${#packets[@]} + local i + + for i in $(eval echo {1..$num_remotes}); do + tc_check_packets "dev $rp2 ingress" $i ${packets[i - 1]} + check_err $? "remote $i - did not get expected number of packets" + done +} + +flooding_test() +{ + # Use 20 remote VTEPs that will be stored in 4 records. The array + # 'packets' will store how many packets are expected to be received + # by each remote VTEP at each stage of the test + declare -a packets=(1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1) + local num_remotes=20 + + RET=0 + + # Add FDB entries for remote VTEPs and corresponding tc filters on the + # ingress of the nexthop router. These filters will count how many + # packets were flooded to each remote VTEP + flooding_remotes_add $num_remotes + flooding_filters_add $num_remotes + + # Send one packet and make sure it is flooded to all the remote VTEPs + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 1 packet" + + # Delete the third record which corresponds to VTEPs with LSB 12..16 + # and check that packet is flooded correctly when we remove a record + # from the middle of the list + RET=0 + + packets=(2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 2 2 2 2 2) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::12 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::13 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::14 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::15 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::16 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 2 packets" + + # Delete the first record and make sure the packet is flooded correctly + RET=0 + + packets=(2 2 2 2 2 3 3 3 3 3 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::2 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::3 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::4 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::5 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::6 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 3 packets" + + # Delete the last record and make sure the packet is flooded correctly + RET=0 + + packets=(2 2 2 2 2 4 4 4 4 4 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::17 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::18 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::19 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::20 + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::21 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 4 packets" + + # Delete the last record, one entry at a time and make sure single + # entries are correctly removed + RET=0 + + packets=(2 2 2 2 2 4 5 5 5 5 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::7 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 5 packets" + + RET=0 + + packets=(2 2 2 2 2 4 5 6 6 6 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::8 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 6 packets" + + RET=0 + + packets=(2 2 2 2 2 4 5 6 7 7 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::9 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 7 packets" + + RET=0 + + packets=(2 2 2 2 2 4 5 6 7 8 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::10 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 8 packets" + + RET=0 + + packets=(2 2 2 2 2 4 5 6 7 8 1 1 1 1 1 3 3 3 3 3) + bridge fdb del 00:00:00:00:00:00 dev vxlan0 self dst 2001:db8:2::11 + + $MZ -6 $h1 -q -p 64 -b de:ad:be:ef:13:37 -t ip -c 1 + flooding_check_packets "${packets[@]}" + log_test "flood after 9 packets" + + flooding_filters_del $num_remotes +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan.sh index 729a86cc4ede..99a332b712f0 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/vxlan.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan.sh @@ -4,10 +4,35 @@ # Test various aspects of VxLAN offloading which are specific to mlxsw, such # as sanitization of invalid configurations and offload indication. -lib_dir=$(dirname $0)/../../../net/forwarding +: ${ADDR_FAMILY:=ipv4} +export ADDR_FAMILY + +: ${LOCAL_IP_1:=198.51.100.1} +export LOCAL_IP_1 + +: ${LOCAL_IP_2:=198.51.100.2} +export LOCAL_IP_2 + +: ${PREFIX_LEN:=32} +export PREFIX_LEN + +: ${UDPCSUM_FLAFS:=noudpcsum} +export UDPCSUM_FLAFS + +: ${MC_IP:=239.0.0.1} +export MC_IP -ALL_TESTS="sanitization_test offload_indication_test \ - sanitization_vlan_aware_test offload_indication_vlan_aware_test" +: ${IP_FLAG:=""} +export IP_FLAG + +: ${ALL_TESTS:=" + sanitization_test + offload_indication_test + sanitization_vlan_aware_test + offload_indication_vlan_aware_test +"} + +lib_dir=$(dirname $0)/../../../net/forwarding NUM_NETIFS=2 : ${TIMEOUT:=20000} # ms source $lib_dir/lib.sh @@ -63,8 +88,8 @@ sanitization_single_dev_valid_test() ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_pass @@ -80,8 +105,8 @@ sanitization_single_dev_vlan_aware_test() ip link add dev br0 type bridge mcast_snooping 0 vlan_filtering 1 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_pass @@ -97,8 +122,8 @@ sanitization_single_dev_mcast_enabled_test() ip link add dev br0 type bridge - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_fail @@ -115,9 +140,9 @@ sanitization_single_dev_mcast_group_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add name dummy1 up type dummy - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 \ - dev dummy1 group 239.0.0.1 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 \ + dev dummy1 group $MC_IP sanitization_single_dev_test_fail @@ -134,7 +159,7 @@ sanitization_single_dev_no_local_ip_test() ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ ttl 20 tos inherit dstport 4789 sanitization_single_dev_test_fail @@ -145,31 +170,14 @@ sanitization_single_dev_no_local_ip_test() log_test "vxlan device with no local ip" } -sanitization_single_dev_local_ipv6_test() -{ - RET=0 - - ip link add dev br0 type bridge mcast_snooping 0 - - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 2001:db8::1 dstport 4789 - - sanitization_single_dev_test_fail - - ip link del dev vxlan0 - ip link del dev br0 - - log_test "vxlan device with local ipv6 address" -} - -sanitization_single_dev_learning_enabled_test() +sanitization_single_dev_learning_enabled_ipv4_test() { RET=0 ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 learning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 learning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_pass @@ -186,8 +194,8 @@ sanitization_single_dev_local_interface_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add name dummy1 up type dummy - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 dev dummy1 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 dev dummy1 sanitization_single_dev_test_fail @@ -204,8 +212,8 @@ sanitization_single_dev_port_range_test() ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 \ + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 \ srcport 4000 5000 sanitization_single_dev_test_fail @@ -222,8 +230,8 @@ sanitization_single_dev_tos_static_test() ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos 20 local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos 20 local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_fail @@ -239,8 +247,8 @@ sanitization_single_dev_ttl_inherit_test() ip link add dev br0 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl inherit tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl inherit tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_fail @@ -250,14 +258,14 @@ sanitization_single_dev_ttl_inherit_test() log_test "vxlan device with inherit ttl" } -sanitization_single_dev_udp_checksum_test() +sanitization_single_dev_udp_checksum_ipv4_test() { RET=0 ip link add dev br0 type bridge mcast_snooping 0 ip link add name vxlan0 up type vxlan id 10 nolearning udpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_single_dev_test_fail @@ -276,13 +284,12 @@ sanitization_single_dev_test() sanitization_single_dev_mcast_enabled_test sanitization_single_dev_mcast_group_test sanitization_single_dev_no_local_ip_test - sanitization_single_dev_local_ipv6_test - sanitization_single_dev_learning_enabled_test + sanitization_single_dev_learning_enabled_"$ADDR_FAMILY"_test sanitization_single_dev_local_interface_test sanitization_single_dev_port_range_test sanitization_single_dev_tos_static_test sanitization_single_dev_ttl_inherit_test - sanitization_single_dev_udp_checksum_test + sanitization_single_dev_udp_checksum_"$ADDR_FAMILY"_test } sanitization_multi_devs_test_pass() @@ -334,10 +341,10 @@ sanitization_multi_devs_valid_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add dev br1 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 - ip link add name vxlan1 up type vxlan id 20 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 + ip link add name vxlan1 up type vxlan id 20 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_multi_devs_test_pass @@ -356,10 +363,10 @@ sanitization_multi_devs_ttl_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add dev br1 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 - ip link add name vxlan1 up type vxlan id 20 nolearning noudpcsum \ - ttl 40 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 + ip link add name vxlan1 up type vxlan id 20 nolearning $UDPCSUM_FLAFS \ + ttl 40 tos inherit local $LOCAL_IP_1 dstport 4789 sanitization_multi_devs_test_fail @@ -378,10 +385,10 @@ sanitization_multi_devs_udp_dstport_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add dev br1 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 - ip link add name vxlan1 up type vxlan id 20 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 5789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 + ip link add name vxlan1 up type vxlan id 20 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 5789 sanitization_multi_devs_test_fail @@ -400,10 +407,10 @@ sanitization_multi_devs_local_ip_test() ip link add dev br0 type bridge mcast_snooping 0 ip link add dev br1 type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 - ip link add name vxlan1 up type vxlan id 20 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.2 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 + ip link add name vxlan1 up type vxlan id 20 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_2 dstport 4789 sanitization_multi_devs_test_fail @@ -443,12 +450,12 @@ offload_indication_setup_create() ip link set dev $swp1 master br0 ip link set dev $swp2 master br1 - ip address add 198.51.100.1/32 dev lo + ip address add $LOCAL_IP_1/$PREFIX_LEN dev lo ip link add name vxlan0 up master br0 type vxlan id 10 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 ip link add name vxlan1 up master br1 type vxlan id 20 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 } offload_indication_setup_destroy() @@ -456,7 +463,7 @@ offload_indication_setup_destroy() ip link del dev vxlan1 ip link del dev vxlan0 - ip address del 198.51.100.1/32 dev lo + ip address del $LOCAL_IP_1/$PREFIX_LEN dev lo ip link set dev $swp2 nomaster ip link set dev $swp1 nomaster @@ -469,7 +476,7 @@ offload_indication_fdb_flood_test() { RET=0 - bridge fdb append 00:00:00:00:00:00 dev vxlan0 self dst 198.51.100.2 + bridge fdb append 00:00:00:00:00:00 dev vxlan0 self dst $LOCAL_IP_2 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb 00:00:00:00:00:00 \ bridge fdb show brport vxlan0 @@ -485,7 +492,7 @@ offload_indication_fdb_bridge_test() RET=0 bridge fdb add de:ad:be:ef:13:37 dev vxlan0 self master static \ - dst 198.51.100.2 + dst $LOCAL_IP_2 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \ de:ad:be:ef:13:37 self bridge fdb show brport vxlan0 @@ -536,7 +543,7 @@ offload_indication_fdb_bridge_test() # marked as offloaded in both drivers RET=0 - bridge fdb add de:ad:be:ef:13:37 dev vxlan0 self dst 198.51.100.2 + bridge fdb add de:ad:be:ef:13:37 dev vxlan0 self dst $LOCAL_IP_2 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \ de:ad:be:ef:13:37 self bridge fdb show brport vxlan0 check_err $? @@ -560,17 +567,17 @@ offload_indication_decap_route_test() RET=0 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link set dev vxlan0 down busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link set dev vxlan1 down busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - vxlan device down" @@ -579,26 +586,26 @@ offload_indication_decap_route_test() ip link set dev vxlan1 up busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link set dev vxlan0 up busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - vxlan device up" RET=0 - ip address delete 198.51.100.1/32 dev lo + ip address delete $LOCAL_IP_1/$PREFIX_LEN dev lo busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? - ip address add 198.51.100.1/32 dev lo + ip address add $LOCAL_IP_1/$PREFIX_LEN dev lo busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - add local route" @@ -607,18 +614,18 @@ offload_indication_decap_route_test() ip link set dev $swp1 nomaster busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link set dev $swp2 nomaster busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link set dev $swp1 master br0 ip link set dev $swp2 master br1 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - local ports enslavement" @@ -627,12 +634,12 @@ offload_indication_decap_route_test() ip link del dev br0 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link del dev br1 busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - bridge device deletion" @@ -646,25 +653,25 @@ offload_indication_decap_route_test() ip link set dev vxlan0 master br0 ip link set dev vxlan1 master br1 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link del dev vxlan0 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? ip link del dev vxlan1 busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vxlan decap route - vxlan device deletion" ip link add name vxlan0 up master br0 type vxlan id 10 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 ip link add name vxlan1 up master br1 type vxlan id 20 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 } check_fdb_offloaded() @@ -721,10 +728,10 @@ __offload_indication_join_vxlan_first() local mac=00:11:22:33:44:55 local zmac=00:00:00:00:00:00 - bridge fdb append $zmac dev vxlan0 self dst 198.51.100.2 + bridge fdb append $zmac dev vxlan0 self dst $LOCAL_IP_2 ip link set dev vxlan0 master br0 - bridge fdb add dev vxlan0 $mac self master static dst 198.51.100.2 + bridge fdb add dev vxlan0 $mac self master static dst $LOCAL_IP_2 RET=0 check_vxlan_fdb_not_offloaded @@ -774,8 +781,8 @@ __offload_indication_join_vxlan_first() offload_indication_join_vxlan_first() { ip link add dev br0 up type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 __offload_indication_join_vxlan_first @@ -789,7 +796,7 @@ __offload_indication_join_vxlan_last() RET=0 - bridge fdb append $zmac dev vxlan0 self dst 198.51.100.2 + bridge fdb append $zmac dev vxlan0 self dst $LOCAL_IP_2 ip link set dev $swp1 master br0 @@ -809,8 +816,8 @@ __offload_indication_join_vxlan_last() offload_indication_join_vxlan_last() { ip link add dev br0 up type bridge mcast_snooping 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 __offload_indication_join_vxlan_last @@ -837,10 +844,10 @@ sanitization_vlan_aware_test() ip link add dev br0 type bridge mcast_snooping 0 vlan_filtering 1 ip link add name vxlan10 up master br0 type vxlan id 10 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 ip link add name vxlan20 up master br0 type vxlan id 20 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 # Test that when each VNI is mapped to a different VLAN we can enslave # a port to the bridge @@ -884,20 +891,20 @@ sanitization_vlan_aware_test() # Use the offload indication of the local route to ensure the VXLAN # configuration was correctly rollbacked. - ip address add 198.51.100.1/32 dev lo + ip address add $LOCAL_IP_1/$PREFIX_LEN dev lo ip link set dev vxlan10 type vxlan ttl 10 ip link set dev $swp1 master br0 &> /dev/null check_fail $? busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? log_test "vlan-aware - failed enslavement to bridge due to conflict" ip link set dev vxlan10 type vxlan ttl 20 - ip address del 198.51.100.1/32 dev lo + ip address del $LOCAL_IP_1/$PREFIX_LEN dev lo ip link del dev vxlan20 ip link del dev vxlan10 @@ -916,12 +923,12 @@ offload_indication_vlan_aware_setup_create() bridge vlan add vid 10 dev $swp1 bridge vlan add vid 20 dev $swp1 - ip address add 198.51.100.1/32 dev lo + ip address add $LOCAL_IP_1/$PREFIX_LEN dev lo ip link add name vxlan10 up master br0 type vxlan id 10 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 ip link add name vxlan20 up master br0 type vxlan id 20 nolearning \ - noudpcsum ttl 20 tos inherit local 198.51.100.1 dstport 4789 + $UDPCSUM_FLAFS ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 bridge vlan add vid 10 dev vxlan10 pvid untagged bridge vlan add vid 20 dev vxlan20 pvid untagged @@ -935,7 +942,7 @@ offload_indication_vlan_aware_setup_destroy() ip link del dev vxlan20 ip link del dev vxlan10 - ip address del 198.51.100.1/32 dev lo + ip address del $LOCAL_IP_1/$PREFIX_LEN dev lo bridge vlan del vid 20 dev $swp1 bridge vlan del vid 10 dev $swp1 @@ -952,7 +959,7 @@ offload_indication_vlan_aware_fdb_test() log_info "vxlan entry offload indication - vlan-aware" bridge fdb add de:ad:be:ef:13:37 dev vxlan10 self master static \ - dst 198.51.100.2 vlan 10 + dst $LOCAL_IP_2 vlan 10 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \ de:ad:be:ef:13:37 self bridge fdb show brport vxlan10 @@ -1003,7 +1010,7 @@ offload_indication_vlan_aware_fdb_test() # marked as offloaded in both drivers RET=0 - bridge fdb add de:ad:be:ef:13:37 dev vxlan10 self dst 198.51.100.2 + bridge fdb add de:ad:be:ef:13:37 dev vxlan10 self dst $LOCAL_IP_2 busywait "$TIMEOUT" wait_for_offload grep_bridge_fdb \ de:ad:be:ef:13:37 self bridge fdb show brport vxlan10 check_err $? @@ -1021,7 +1028,7 @@ offload_indication_vlan_aware_decap_route_test() RET=0 busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? # Toggle PVID flag on one VxLAN device and make sure route is still @@ -1029,7 +1036,7 @@ offload_indication_vlan_aware_decap_route_test() bridge vlan add vid 10 dev vxlan10 untagged busywait "$TIMEOUT" wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? # Toggle PVID flag on second VxLAN device and make sure route is no @@ -1037,14 +1044,15 @@ offload_indication_vlan_aware_decap_route_test() bridge vlan add vid 20 dev vxlan20 untagged busywait "$TIMEOUT" not wait_for_offload \ - ip route show table local 198.51.100.1 + ip $IP_FLAG route show table local $LOCAL_IP_1 check_err $? # Toggle PVID flag back and make sure route is marked as offloaded bridge vlan add vid 10 dev vxlan10 pvid untagged bridge vlan add vid 20 dev vxlan20 pvid untagged - busywait "$TIMEOUT" wait_for_offload ip route show table local 198.51.100.1 + busywait "$TIMEOUT" wait_for_offload ip $IP_FLAG route show table local \ + $LOCAL_IP_1 check_err $? log_test "vxlan decap route - vni map/unmap" @@ -1054,8 +1062,8 @@ offload_indication_vlan_aware_join_vxlan_first() { ip link add dev br0 up type bridge mcast_snooping 0 \ vlan_filtering 1 vlan_default_pvid 1 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 __offload_indication_join_vxlan_first 1 @@ -1067,8 +1075,8 @@ offload_indication_vlan_aware_join_vxlan_last() { ip link add dev br0 up type bridge mcast_snooping 0 \ vlan_filtering 1 vlan_default_pvid 1 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 __offload_indication_join_vxlan_last @@ -1085,14 +1093,14 @@ offload_indication_vlan_aware_l3vni_test() sysctl_set net.ipv6.conf.default.disable_ipv6 1 ip link add dev br0 up type bridge mcast_snooping 0 \ vlan_filtering 1 vlan_default_pvid 0 - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 ip link set dev $swp1 master br0 # The test will use the offload indication on the FDB entry to # understand if the tunnel is offloaded or not - bridge fdb append $zmac dev vxlan0 self dst 192.0.2.1 + bridge fdb append $zmac dev vxlan0 self dst $LOCAL_IP_2 ip link set dev vxlan0 master br0 bridge vlan add dev vxlan0 vid 10 pvid untagged diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh index 749ba3cfda1d..38148f51877a 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto.sh @@ -4,6 +4,21 @@ # Test vetoing of FDB entries that mlxsw can not offload. This exercises several # different veto vectors to test various rollback scenarios in the vxlan driver. +: ${LOCAL_IP:=198.51.100.1} +export LOCAL_IP + +: ${REMOTE_IP_1:=198.51.100.2} +export REMOTE_IP_1 + +: ${REMOTE_IP_2:=198.51.100.3} +export REMOTE_IP_2 + +: ${UDPCSUM_FLAFS:=noudpcsum} +export UDPCSUM_FLAFS + +: ${MC_IP:=224.0.0.1} +export MC_IP + lib_dir=$(dirname $0)/../../../net/forwarding ALL_TESTS=" @@ -26,8 +41,8 @@ setup_prepare() ip link set dev $swp1 master br0 ip link set dev $swp2 up - ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \ - ttl 20 tos inherit local 198.51.100.1 dstport 4789 + ip link add name vxlan0 up type vxlan id 10 nolearning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP dstport 4789 ip link set dev vxlan0 master br0 } @@ -50,11 +65,11 @@ fdb_create_veto_test() RET=0 bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \ - dst 198.51.100.2 2>/dev/null + dst $REMOTE_IP_1 2>/dev/null check_fail $? "multicast MAC not rejected" bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \ - dst 198.51.100.2 2>&1 >/dev/null | grep -q mlxsw_spectrum + dst $REMOTE_IP_1 2>&1 >/dev/null | grep -q mlxsw_spectrum check_err $? "multicast MAC rejected without extack" log_test "vxlan FDB veto - create" @@ -65,15 +80,15 @@ fdb_replace_veto_test() RET=0 bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \ - dst 198.51.100.2 + dst $REMOTE_IP_1 check_err $? "valid FDB rejected" bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \ - dst 198.51.100.2 port 1234 2>/dev/null + dst $REMOTE_IP_1 port 1234 2>/dev/null check_fail $? "FDB with an explicit port not rejected" bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \ - dst 198.51.100.2 port 1234 2>&1 >/dev/null \ + dst $REMOTE_IP_1 port 1234 2>&1 >/dev/null \ | grep -q mlxsw_spectrum check_err $? "FDB with an explicit port rejected without extack" @@ -85,15 +100,15 @@ fdb_append_veto_test() RET=0 bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \ - dst 198.51.100.2 + dst $REMOTE_IP_1 check_err $? "valid FDB rejected" bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \ - dst 198.51.100.3 port 1234 2>/dev/null + dst $REMOTE_IP_2 port 1234 2>/dev/null check_fail $? "FDB with an explicit port not rejected" bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \ - dst 198.51.100.3 port 1234 2>&1 >/dev/null \ + dst $REMOTE_IP_2 port 1234 2>&1 >/dev/null \ | grep -q mlxsw_spectrum check_err $? "FDB with an explicit port rejected without extack" @@ -105,11 +120,11 @@ fdb_changelink_veto_test() RET=0 ip link set dev vxlan0 type vxlan \ - group 224.0.0.1 dev lo 2>/dev/null + group $MC_IP dev lo 2>/dev/null check_fail $? "FDB with a multicast IP not rejected" ip link set dev vxlan0 type vxlan \ - group 224.0.0.1 dev lo 2>&1 >/dev/null \ + group $MC_IP dev lo 2>&1 >/dev/null \ | grep -q mlxsw_spectrum check_err $? "FDB with a multicast IP rejected without extack" diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto_ipv6.sh new file mode 100755 index 000000000000..66c87aab86f6 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_fdb_veto_ipv6.sh @@ -0,0 +1,12 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# A wrapper to run VXLAN test for IPv6. + +LOCAL_IP=2001:db8:1::1 +REMOTE_IP_1=2001:db8:2::1 +REMOTE_IP_2=2001:db8:3::1 +UDPCSUM_FLAFS="udp6zerocsumrx udp6zerocsumtx" +MC_IP=FF02::2 + +source vxlan_fdb_veto.sh diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_ipv6.sh new file mode 100755 index 000000000000..f2ea0163ddea --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_ipv6.sh @@ -0,0 +1,65 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# A wrapper to run VXLAN test for IPv6. + +ADDR_FAMILY=ipv6 +LOCAL_IP_1=2001:db8:1::1 +LOCAL_IP_2=2001:db8:1::2 +PREFIX_LEN=128 +UDPCSUM_FLAFS="udp6zerocsumrx udp6zerocsumtx" +MC_IP=FF02::2 +IP_FLAG="-6" + +ALL_TESTS=" + sanitization_test + offload_indication_test + sanitization_vlan_aware_test + offload_indication_vlan_aware_test +" + +sanitization_single_dev_learning_enabled_ipv6_test() +{ + RET=0 + + ip link add dev br0 type bridge mcast_snooping 0 + + ip link add name vxlan0 up type vxlan id 10 learning $UDPCSUM_FLAFS \ + ttl 20 tos inherit local $LOCAL_IP_1 dstport 4789 + + sanitization_single_dev_test_fail + + ip link del dev vxlan0 + ip link del dev br0 + + log_test "vxlan device with learning enabled" +} + +sanitization_single_dev_udp_checksum_ipv6_test() +{ + RET=0 + + ip link add dev br0 type bridge mcast_snooping 0 + + ip link add name vxlan0 up type vxlan id 10 nolearning \ + noudp6zerocsumrx udp6zerocsumtx ttl 20 tos inherit \ + local $LOCAL_IP_1 dstport 4789 + + sanitization_single_dev_test_fail + log_test "vxlan device without zero udp checksum at RX" + + ip link del dev vxlan0 + + ip link add name vxlan0 up type vxlan id 10 nolearning \ + udp6zerocsumrx noudp6zerocsumtx ttl 20 tos inherit \ + local $LOCAL_IP_1 dstport 4789 + + sanitization_single_dev_test_fail + log_test "vxlan device without zero udp checksum at TX" + + ip link del dev vxlan0 + ip link del dev br0 + +} + +source vxlan.sh diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index ad2982b72e02..412d85205546 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -66,6 +66,10 @@ NSB_LO_IP=172.16.2.2 NSA_LO_IP6=2001:db8:2::1 NSB_LO_IP6=2001:db8:2::2 +# non-local addresses for freebind tests +NL_IP=172.17.1.1 +NL_IP6=2001:db8:4::1 + MD5_PW=abc123 MD5_WRONG_PW=abc1234 @@ -316,6 +320,9 @@ addr2str() ${NSB_LO_IP6}) echo "ns-B loopback IPv6";; ${NSB_LINKIP6}|${NSB_LINKIP6}%*) echo "ns-B IPv6 LLA";; + ${NL_IP}) echo "nonlocal IP";; + ${NL_IP6}) echo "nonlocal IPv6";; + ${VRF_IP}) echo "VRF IP";; ${VRF_IP6}) echo "VRF IPv6";; @@ -1780,6 +1787,14 @@ ipv4_addr_bind_novrf() done # + # raw socket with nonlocal bind + # + a=${NL_IP} + log_start + run_cmd nettest -s -R -P icmp -f -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after device bind" + + # # tcp sockets # a=${NSA_IP} @@ -1829,6 +1844,14 @@ ipv4_addr_bind_vrf() log_test_addr ${a} $? 1 "Raw socket bind to out of scope address after VRF bind" # + # raw socket with nonlocal bind + # + a=${NL_IP} + log_start + run_cmd nettest -s -R -P icmp -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after VRF bind" + + # # tcp sockets # for a in ${NSA_IP} ${VRF_IP} @@ -1978,6 +2001,7 @@ ipv4_rt() a=${NSA_IP} log_start + run_cmd nettest ${varg} -s & sleep 1 run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & @@ -3418,6 +3442,14 @@ ipv6_addr_bind_novrf() done # + # raw socket with nonlocal bind + # + a=${NL_IP6} + log_start + run_cmd nettest -6 -s -R -P icmp -f -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address" + + # # tcp sockets # a=${NSA_IP6} @@ -3462,6 +3494,14 @@ ipv6_addr_bind_vrf() log_test_addr ${a} $? 1 "Raw socket bind to invalid local address after vrf bind" # + # raw socket with nonlocal bind + # + a=${NL_IP6} + log_start + run_cmd nettest -6 -s -R -P icmp -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after VRF bind" + + # # tcp sockets # # address on enslaved device is valid for the VRF or device in a VRF @@ -4091,8 +4131,6 @@ do # setup namespaces and config, but do not run any tests setup) setup; exit 0;; vrf_setup) setup "yes"; exit 0;; - - help) echo "Test names: $TESTS"; exit 0;; esac done diff --git a/tools/testing/selftests/net/forwarding/bridge_vlan_mcast.sh b/tools/testing/selftests/net/forwarding/bridge_vlan_mcast.sh new file mode 100755 index 000000000000..8748d1b1d95b --- /dev/null +++ b/tools/testing/selftests/net/forwarding/bridge_vlan_mcast.sh @@ -0,0 +1,543 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS="vlmc_control_test vlmc_querier_test vlmc_igmp_mld_version_test \ + vlmc_last_member_test vlmc_startup_query_test vlmc_membership_test \ + vlmc_querier_intvl_test vlmc_query_intvl_test vlmc_query_response_intvl_test \ + vlmc_router_port_test vlmc_filtering_test" +NUM_NETIFS=4 +CHECK_TC="yes" +TEST_GROUP="239.10.10.10" + +source lib.sh + +h1_create() +{ + simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64 + ip link add l $h1 $h1.10 up type vlan id 10 +} + +h1_destroy() +{ + ip link del $h1.10 + simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64 + ip link add l $h2 $h2.10 up type vlan id 10 +} + +h2_destroy() +{ + ip link del $h2.10 + simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64 +} + +switch_create() +{ + ip link add dev br0 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1 + + ip link set dev $swp1 master br0 + ip link set dev $swp2 master br0 + + ip link set dev br0 up + ip link set dev $swp1 up + ip link set dev $swp2 up + + tc qdisc add dev $swp1 clsact + tc qdisc add dev $swp2 clsact + + bridge vlan add vid 10-11 dev $swp1 master + bridge vlan add vid 10-11 dev $swp2 master + + ip link set dev br0 type bridge mcast_vlan_snooping 1 + check_err $? "Could not enable global vlan multicast snooping" + log_test "Vlan multicast snooping enable" +} + +switch_destroy() +{ + ip link set dev $swp2 down + ip link set dev $swp1 down + + ip link del dev br0 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + vrf_prepare + + h1_create + h2_create + + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + + h2_destroy + h1_destroy + + vrf_cleanup +} + +vlmc_v2join_test() +{ + local expect=$1 + + RET=0 + ip address add dev $h2.10 $TEST_GROUP/32 autojoin + check_err $? "Could not join $TEST_GROUP" + + sleep 5 + bridge -j mdb show dev br0 | + jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and .vid == 10)" &>/dev/null + if [ $expect -eq 0 ]; then + check_err $? "IGMPv2 report didn't create mdb entry for $TEST_GROUP" + else + check_fail $? "IGMPv2 report shouldn't have created mdb entry for $TEST_GROUP" + fi + + # check if we need to cleanup + if [ $RET -eq 0 ]; then + ip address del dev $h2.10 $TEST_GROUP/32 2>&1 1>/dev/null + sleep 5 + bridge -j mdb show dev br0 | + jq -e ".[].mdb[] | select(.grp == \"$TEST_GROUP\" and \ + .vid == 10)" &>/dev/null + check_fail $? "IGMPv2 leave didn't remove mdb entry for $TEST_GROUP" + fi +} + +vlmc_control_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + log_test "Vlan global options existence" + + RET=0 + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_snooping == 1) " &>/dev/null + check_err $? "Wrong default mcast_snooping global option value" + log_test "Vlan mcast_snooping global option default value" + + RET=0 + vlmc_v2join_test 0 + bridge vlan global set vid 10 dev br0 mcast_snooping 0 + check_err $? "Could not disable multicast snooping in vlan 10" + vlmc_v2join_test 1 + log_test "Vlan 10 multicast snooping control" +} + +# setup for general query counting +vlmc_query_cnt_xstats() +{ + local type=$1 + local version=$2 + local dev=$3 + + ip -j link xstats type bridge_slave dev $dev | \ + jq -e ".[].multicast.${type}_queries.tx_v${version}" +} + +vlmc_query_cnt_setup() +{ + local type=$1 + local dev=$2 + + if [[ $type == "igmp" ]]; then + tc filter add dev $dev egress pref 10 prot 802.1Q \ + flower vlan_id 10 vlan_ethtype ipv4 dst_ip 224.0.0.1 ip_proto 2 \ + action pass + else + tc filter add dev $dev egress pref 10 prot 802.1Q \ + flower vlan_id 10 vlan_ethtype ipv6 dst_ip ff02::1 ip_proto icmpv6 \ + action pass + fi + + ip link set dev br0 type bridge mcast_stats_enabled 1 +} + +vlmc_query_cnt_cleanup() +{ + local dev=$1 + + ip link set dev br0 type bridge mcast_stats_enabled 0 + tc filter del dev $dev egress pref 10 +} + +vlmc_check_query() +{ + local type=$1 + local version=$2 + local dev=$3 + local expect=$4 + local time=$5 + local ret=0 + + vlmc_query_cnt_setup $type $dev + + local pre_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev) + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 + ret=$? + if [[ $ret -eq 0 ]]; then + sleep $time + + local tcstats=$(tc_rule_stats_get $dev 10 egress) + local post_tx_xstats=$(vlmc_query_cnt_xstats $type $version $dev) + + if [[ $tcstats != $expect || \ + $(($post_tx_xstats-$pre_tx_xstats)) != $expect || \ + $tcstats != $(($post_tx_xstats-$pre_tx_xstats)) ]]; then + ret=1 + fi + fi + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0 + vlmc_query_cnt_cleanup $dev + + return $ret +} + +vlmc_querier_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_querier == 0) " &>/dev/null + check_err $? "Wrong default mcast_querier global vlan option value" + log_test "Vlan mcast_querier global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 + check_err $? "Could not enable querier in vlan 10" + log_test "Vlan 10 multicast querier enable" + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 0 + + RET=0 + vlmc_check_query igmp 2 $swp1 1 1 + check_err $? "No vlan tagged IGMPv2 general query packets sent" + log_test "Vlan 10 tagged IGMPv2 general query sent" + + RET=0 + vlmc_check_query mld 1 $swp1 1 1 + check_err $? "No vlan tagged MLD general query packets sent" + log_test "Vlan 10 tagged MLD general query sent" +} + +vlmc_igmp_mld_version_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_igmp_version == 2) " &>/dev/null + check_err $? "Wrong default mcast_igmp_version global vlan option value" + log_test "Vlan mcast_igmp_version global option default value" + + RET=0 + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and .mcast_mld_version == 1) " &>/dev/null + check_err $? "Wrong default mcast_mld_version global vlan option value" + log_test "Vlan mcast_mld_version global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 3 + check_err $? "Could not set mcast_igmp_version in vlan 10" + log_test "Vlan 10 mcast_igmp_version option changed to 3" + + RET=0 + vlmc_check_query igmp 3 $swp1 1 1 + check_err $? "No vlan tagged IGMPv3 general query packets sent" + log_test "Vlan 10 tagged IGMPv3 general query sent" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 2 + check_err $? "Could not set mcast_mld_version in vlan 10" + log_test "Vlan 10 mcast_mld_version option changed to 2" + + RET=0 + vlmc_check_query mld 2 $swp1 1 1 + check_err $? "No vlan tagged MLDv2 general query packets sent" + log_test "Vlan 10 tagged MLDv2 general query sent" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_igmp_version 2 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_mld_version 1 +} + +vlmc_last_member_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_last_member_count == 2) " &>/dev/null + check_err $? "Wrong default mcast_last_member_count global vlan option value" + log_test "Vlan mcast_last_member_count global option default value" + + RET=0 + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_last_member_interval == 100) " &>/dev/null + check_err $? "Wrong default mcast_last_member_interval global vlan option value" + log_test "Vlan mcast_last_member_interval global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 3 + check_err $? "Could not set mcast_last_member_count in vlan 10" + log_test "Vlan 10 mcast_last_member_count option changed to 3" + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_count 2 + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 200 + check_err $? "Could not set mcast_last_member_interval in vlan 10" + log_test "Vlan 10 mcast_last_member_interval option changed to 200" + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_last_member_interval 100 +} + +vlmc_startup_query_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_startup_query_interval == 3125) " &>/dev/null + check_err $? "Wrong default mcast_startup_query_interval global vlan option value" + log_test "Vlan mcast_startup_query_interval global option default value" + + RET=0 + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_startup_query_count == 2) " &>/dev/null + check_err $? "Wrong default mcast_startup_query_count global vlan option value" + log_test "Vlan mcast_startup_query_count global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 100 + check_err $? "Could not set mcast_startup_query_interval in vlan 10" + vlmc_check_query igmp 2 $swp1 2 3 + check_err $? "Wrong number of tagged IGMPv2 general queries sent" + log_test "Vlan 10 mcast_startup_query_interval option changed to 100" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 3 + check_err $? "Could not set mcast_startup_query_count in vlan 10" + vlmc_check_query igmp 2 $swp1 3 4 + check_err $? "Wrong number of tagged IGMPv2 general queries sent" + log_test "Vlan 10 mcast_startup_query_count option changed to 3" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_interval 3125 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2 +} + +vlmc_membership_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_membership_interval == 26000) " &>/dev/null + check_err $? "Wrong default mcast_membership_interval global vlan option value" + log_test "Vlan mcast_membership_interval global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 200 + check_err $? "Could not set mcast_membership_interval in vlan 10" + log_test "Vlan 10 mcast_membership_interval option changed to 200" + + RET=0 + vlmc_v2join_test 1 + log_test "Vlan 10 mcast_membership_interval mdb entry expire" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_membership_interval 26000 +} + +vlmc_querier_intvl_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_querier_interval == 25500) " &>/dev/null + check_err $? "Wrong default mcast_querier_interval global vlan option value" + log_test "Vlan mcast_querier_interval global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 100 + check_err $? "Could not set mcast_querier_interval in vlan 10" + log_test "Vlan 10 mcast_querier_interval option changed to 100" + + RET=0 + ip link add dev br1 type bridge mcast_snooping 1 mcast_querier 1 vlan_filtering 1 \ + mcast_vlan_snooping 1 + bridge vlan add vid 10 dev br1 self pvid untagged + ip link set dev $h1 master br1 + ip link set dev br1 up + bridge vlan add vid 10 dev $h1 master + bridge vlan global set vid 10 dev br1 mcast_snooping 1 mcast_querier 1 + sleep 2 + ip link del dev br1 + ip addr replace 2001:db8:1::1/64 dev $h1 + vlmc_check_query igmp 2 $swp1 1 1 + check_err $? "Wrong number of IGMPv2 general queries after querier interval" + log_test "Vlan 10 mcast_querier_interval expire after outside query" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier_interval 25500 +} + +vlmc_query_intvl_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_query_interval == 12500) " &>/dev/null + check_err $? "Wrong default mcast_query_interval global vlan option value" + log_test "Vlan mcast_query_interval global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 200 + check_err $? "Could not set mcast_query_interval in vlan 10" + # 1 is sent immediately, then 2 more in the next 5 seconds + vlmc_check_query igmp 2 $swp1 3 5 + check_err $? "Wrong number of tagged IGMPv2 general queries sent" + log_test "Vlan 10 mcast_query_interval option changed to 200" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_startup_query_count 2 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_interval 12500 +} + +vlmc_query_response_intvl_test() +{ + RET=0 + local goutput=`bridge -j vlan global show` + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10)" &>/dev/null + check_err $? "Could not find vlan 10's global options" + + echo -n $goutput | + jq -e ".[].vlans[] | select(.vlan == 10 and \ + .mcast_query_response_interval == 1000) " &>/dev/null + check_err $? "Wrong default mcast_query_response_interval global vlan option value" + log_test "Vlan mcast_query_response_interval global option default value" + + RET=0 + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 200 + check_err $? "Could not set mcast_query_response_interval in vlan 10" + log_test "Vlan 10 mcast_query_response_interval option changed to 200" + + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000 +} + +vlmc_router_port_test() +{ + RET=0 + local goutput=`bridge -j -d vlan show` + echo -n $goutput | + jq -e ".[] | select(.ifname == \"$swp1\" and \ + .vlans[].vlan == 10)" &>/dev/null + check_err $? "Could not find port vlan 10's options" + + echo -n $goutput | + jq -e ".[] | select(.ifname == \"$swp1\" and \ + .vlans[].vlan == 10 and \ + .vlans[].mcast_router == 1)" &>/dev/null + check_err $? "Wrong default port mcast_router option value" + log_test "Port vlan 10 option mcast_router default value" + + RET=0 + bridge vlan set vid 10 dev $swp1 mcast_router 2 + check_err $? "Could not set port vlan 10's mcast_router option" + log_test "Port vlan 10 mcast_router option changed to 2" + + RET=0 + tc filter add dev $swp1 egress pref 10 prot 802.1Q \ + flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass + tc filter add dev $swp2 egress pref 10 prot 802.1Q \ + flower vlan_id 10 vlan_ethtype ipv4 dst_ip 239.1.1.1 ip_proto udp action pass + bridge vlan set vid 10 dev $swp2 mcast_router 0 + # we need to enable querier and disable query response interval to + # make sure packets are flooded only to router ports + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_querier 1 \ + mcast_query_response_interval 0 + bridge vlan add vid 10 dev br0 self + sleep 1 + mausezahn br0 -Q 10 -c 10 -p 128 -b 01:00:5e:01:01:01 -B 239.1.1.1 \ + -t udp "dp=1024" &>/dev/null + local swp1_tcstats=$(tc_rule_stats_get $swp1 10 egress) + if [[ $swp1_tcstats != 10 ]]; then + check_err 1 "Wrong number of vlan 10 multicast packets flooded" + fi + local swp2_tcstats=$(tc_rule_stats_get $swp2 10 egress) + check_err $swp2_tcstats "Vlan 10 multicast packets flooded to non-router port" + log_test "Flood unknown vlan multicast packets to router port only" + + tc filter del dev $swp2 egress pref 10 + tc filter del dev $swp1 egress pref 10 + bridge vlan del vid 10 dev br0 self + bridge vlan global set vid 10 dev br0 mcast_snooping 1 mcast_query_response_interval 1000 + bridge vlan set vid 10 dev $swp2 mcast_router 1 + bridge vlan set vid 10 dev $swp1 mcast_router 1 +} + +vlmc_filtering_test() +{ + RET=0 + ip link set dev br0 type bridge vlan_filtering 0 + ip -j -d link show dev br0 | \ + jq -e "select(.[0].linkinfo.info_data.mcast_vlan_snooping == 1)" &>/dev/null + check_fail $? "Vlan filtering is disabled but multicast vlan snooping is still enabled" + log_test "Disable multicast vlan snooping when vlan filtering is disabled" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index dfd827b7a9f9..7da783d6f453 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -20,6 +20,7 @@ NETIF_TYPE=${NETIF_TYPE:=veth} NETIF_CREATE=${NETIF_CREATE:=yes} MCD=${MCD:=smcrouted} MC_CLI=${MC_CLI:=smcroutectl} +PING_COUNT=${PING_COUNT:=10} PING_TIMEOUT=${PING_TIMEOUT:=5} WAIT_TIMEOUT=${WAIT_TIMEOUT:=20} INTERFACE_TIMEOUT=${INTERFACE_TIMEOUT:=600} @@ -1111,7 +1112,8 @@ ping_do() vrf_name=$(master_name_get $if_name) ip vrf exec $vrf_name \ - $PING $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null + $PING $args $dip -c $PING_COUNT -i 0.1 \ + -w $PING_TIMEOUT &> /dev/null } ping_test() @@ -1132,7 +1134,8 @@ ping6_do() vrf_name=$(master_name_get $if_name) ip vrf exec $vrf_name \ - $PING6 $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null + $PING6 $args $dip -c $PING_COUNT -i 0.1 \ + -w $PING_TIMEOUT &> /dev/null } ping6_test() diff --git a/tools/testing/selftests/net/forwarding/q_in_vni_ipv6.sh b/tools/testing/selftests/net/forwarding/q_in_vni_ipv6.sh new file mode 100755 index 000000000000..0548b2b0d416 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/q_in_vni_ipv6.sh @@ -0,0 +1,347 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +-----------------------+ +------------------------+ +# | H1 (vrf) | | H2 (vrf) | +# | + $h1.10 | | + $h2.10 | +# | | 2001:db8:1::1/64 | | | 2001:db8:1::2/64 | +# | | | | | | +# | | + $h1.20 | | | + $h2.20 | +# | \ | 2001:db8:2::1/64 | | \ | 2001:db8:2::2/64 | +# | \| | | \| | +# | + $h1 | | + $h2 | +# +----|------------------+ +----|-------------------+ +# | | +# +----|--------------------------------------------------|-------------------+ +# | SW | | | +# | +--|--------------------------------------------------|-----------------+ | +# | | + $swp1 BR1 (802.1ad) + $swp2 | | +# | | vid 100 pvid untagged vid 100 pvid | | +# | | untagged | | +# | | + vx100 (vxlan) | | +# | | local 2001:db8:3::1 | | +# | | remote 2001:db8:4::1 2001:db8:5::1 | | +# | | id 1000 dstport $VXPORT | | +# | | vid 100 pvid untagged | | +# | +-----------------------------------------------------------------------+ | +# | | +# | 2001:db8:4::0/64 via 2001:db8:3::2 | +# | 2001:db8:5::0/64 via 2001:db8:3::2 | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|----------------------------------------------------------+ +# | | VRP2 (vrf) | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | (maybe) HW +# ============================================================================= +# | | (likely) SW +# | + v1 (veth) + v3 (veth) | +# | | 2001:db8:4::2/64 | 2001:db8:5::2/64 | +# +----|---------------------------------------|------------------+ +# | | +# +----|--------------------------------+ +----|-------------------------------+ +# | + v2 (veth) NS1 (netns) | | + v4 (veth) NS2 (netns) | +# | 2001:db8:4::1/64 | | 2001:db8:5::1/64 | +# | | | | +# | 2001:db8:3::0/64 via 2001:db8:4::2 | | 2001:db8:3::0/64 via 2001:db8:5::2 | +# | 2001:db8:5::1/128 via 2001:db8:4::2 | | 2001:db8:4::1/128 via | +# | | | 2001:db8:5::2 | +# | +-------------------------------+ | | +-------------------------------+ | +# | | BR2 (802.1ad) | | | | BR2 (802.1ad) | | +# | | + vx100 (vxlan) | | | | + vx100 (vxlan) | | +# | | local 2001:db8:4::1 | | | | local 2001:db8:5::1 | | +# | | remote 2001:db8:3::1 | | | | remote 2001:db8:3::1 | | +# | | remote 2001:db8:5::1 | | | | remote 2001:db8:4::1 | | +# | | id 1000 dstport $VXPORT | | | | id 1000 dstport $VXPORT | | +# | | vid 100 pvid untagged | | | | vid 100 pvid untagged | | +# | | | | | | | | +# | | + w1 (veth) | | | | + w1 (veth) | | +# | | | vid 100 pvid untagged | | | | | vid 100 pvid untagged | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | | | | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | | VW2 (vrf) | | | | | VW2 (vrf) | | +# | | + w2 (veth) | | | | + w2 (veth) | | +# | | |\ | | | | |\ | | +# | | | + w2.10 | | | | | + w2.10 | | +# | | | 2001:db8:1::3/64 | | | | | 2001:db8:1::4/64 | | +# | | | | | | | | | | +# | | + w2.20 | | | | + w2.20 | | +# | | 2001:db8:2::3/64 | | | | 2001:db8:2::4/64 | | +# | +-------------------------------+ | | +-------------------------------+ | +# +-------------------------------------+ +------------------------------------+ + +: ${VXPORT:=4789} +export VXPORT + +: ${ALL_TESTS:=" + ping_ipv6 + "} + +NUM_NETIFS=6 +source lib.sh + +h1_create() +{ + simple_if_init $h1 + tc qdisc add dev $h1 clsact + vlan_create $h1 10 v$h1 2001:db8:1::1/64 + vlan_create $h1 20 v$h1 2001:db8:2::1/64 +} + +h1_destroy() +{ + vlan_destroy $h1 20 + vlan_destroy $h1 10 + tc qdisc del dev $h1 clsact + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 + tc qdisc add dev $h2 clsact + vlan_create $h2 10 v$h2 2001:db8:1::2/64 + vlan_create $h2 20 v$h2 2001:db8:2::2/64 +} + +h2_destroy() +{ + vlan_destroy $h2 20 + vlan_destroy $h2 10 + tc qdisc del dev $h2 clsact + simple_if_fini $h2 +} + +rp1_set_addr() +{ + ip address add dev $rp1 2001:db8:3::1/64 + + ip route add 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + ip route add 2001:db8:5::0/64 nexthop via 2001:db8:3::2 +} + +rp1_unset_addr() +{ + ip route del 2001:db8:5::0/64 nexthop via 2001:db8:3::2 + ip route del 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + + ip address del dev $rp1 2001:db8:3::1/64 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_protocol 802.1ad \ + vlan_default_pvid 0 mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + ip link set dev $rp1 up + rp1_set_addr + + ip link add name vx100 type vxlan id 1000 \ + local 2001:db8:3::1 dstport "$VXPORT" \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx100 up + + ip link set dev vx100 master br1 + bridge vlan add vid 100 dev vx100 pvid untagged + + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + bridge vlan add vid 100 dev $swp1 pvid untagged + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + bridge vlan add vid 100 dev $swp2 pvid untagged + + bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:5::1 self +} + +switch_destroy() +{ + bridge fdb del dev vx100 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx100 00:00:00:00:00:00 dst 2001:db8:4::1 self + + bridge vlan del vid 100 dev $swp2 + ip link set dev $swp2 down + ip link set dev $swp2 nomaster + + bridge vlan del vid 100 dev $swp1 + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + + ip link set dev vx100 nomaster + ip link set dev vx100 down + ip link del dev vx100 + + rp1_unset_addr + ip link set dev $rp1 down + + ip link set dev br1 down + ip link del dev br1 +} + +vrp2_create() +{ + simple_if_init $rp2 2001:db8:3::2/64 + __simple_if_init v1 v$rp2 2001:db8:4::2/64 + __simple_if_init v3 v$rp2 2001:db8:5::2/64 + tc qdisc add dev v1 clsact +} + +vrp2_destroy() +{ + tc qdisc del dev v1 clsact + __simple_if_fini v3 2001:db8:5::2/64 + __simple_if_fini v1 2001:db8:4::2/64 + simple_if_fini $rp2 2001:db8:3::2/64 +} + +ns_init_common() +{ + local in_if=$1; shift + local in_addr=$1; shift + local other_in_addr=$1; shift + local nh_addr=$1; shift + local host_addr1=$1; shift + local host_addr2=$1; shift + + ip link set dev $in_if up + ip address add dev $in_if $in_addr/64 + tc qdisc add dev $in_if clsact + + ip link add name br2 type bridge vlan_filtering 1 vlan_protocol 802.1ad \ + vlan_default_pvid 0 + ip link set dev br2 up + + ip link add name w1 type veth peer name w2 + + ip link set dev w1 master br2 + ip link set dev w1 up + bridge vlan add vid 100 dev w1 pvid untagged + + ip link add name vx100 type vxlan id 1000 local $in_addr \ + dstport "$VXPORT" udp6zerocsumrx + ip link set dev vx100 up + bridge fdb append dev vx100 00:00:00:00:00:00 dst 2001:db8:3::1 self + bridge fdb append dev vx100 00:00:00:00:00:00 dst $other_in_addr self + + ip link set dev vx100 master br2 + tc qdisc add dev vx100 clsact + + bridge vlan add vid 100 dev vx100 pvid untagged + + simple_if_init w2 + vlan_create w2 10 vw2 $host_addr1/64 + vlan_create w2 20 vw2 $host_addr2/64 + + ip route add 2001:db8:3::0/64 nexthop via $nh_addr + ip route add $other_in_addr/128 nexthop via $nh_addr +} +export -f ns_init_common + +ns1_create() +{ + ip netns add ns1 + ip link set dev v2 netns ns1 + in_ns ns1 \ + ns_init_common v2 2001:db8:4::1 2001:db8:5::1 2001:db8:4::2 \ + 2001:db8:1::3 2001:db8:2::3 +} + +ns1_destroy() +{ + ip netns exec ns1 ip link set dev v2 netns 1 + ip netns del ns1 +} + +ns2_create() +{ + ip netns add ns2 + ip link set dev v4 netns ns2 + in_ns ns2 \ + ns_init_common v4 2001:db8:5::1 2001:db8:4::1 2001:db8:5::2 \ + 2001:db8:1::4 2001:db8:2::4 +} + +ns2_destroy() +{ + ip netns exec ns2 ip link set dev v4 netns 1 + ip netns del ns2 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1=${NETIFS[p5]} + rp2=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + switch_create + + ip link add name v1 type veth peer name v2 + ip link add name v3 type veth peer name v4 + vrp2_create + ns1_create + ns2_create + + r1_mac=$(in_ns ns1 mac_get w2) + r2_mac=$(in_ns ns2 mac_get w2) + h2_mac=$(mac_get $h2) +} + +cleanup() +{ + pre_cleanup + + ns2_destroy + ns1_destroy + vrp2_destroy + ip link del dev v3 + ip link del dev v1 + + switch_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:1::2 ": local->local" + ping6_test $h1 2001:db8:1::3 ": local->remote 1" + ping6_test $h1 2001:db8:1::4 ": local->remote 2" +} + +test_all() +{ + echo "Running tests with UDP port $VXPORT" + tests_run +} + +trap cleanup EXIT + +setup_prepare +setup_wait +test_all + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/vxlan_asymmetric_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_asymmetric_ipv6.sh new file mode 100755 index 000000000000..f4930098974f --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_asymmetric_ipv6.sh @@ -0,0 +1,504 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +--------------------------------+ +-----------------------------+ +# | vrf-h1 | | vrf-h2 | +# | + $h1 | | + $h2 | +# | | 2001:db8:1::1/64 | | | 2001:db8:2::1/64 | +# | | default via 2001:db8:1::3 | | | default via 2001:db8:2::3 | +# +----|---------------------------+ +-|---------------------------+ +# | | +# +----|------------------------------------------|---------------------------+ +# | SW | | | +# | +--|------------------------------------------|-------------------------+ | +# | | + $swp1 br1 + $swp2 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | | + vx10 + vx20 | | +# | | local 2001:db8:3::1 local 2001:db8:3::1 | | +# | | remote 2001:db8:3::2 remote 2001:db8:3::2 | | +# | | id 1000 id 2000 | | +# | | dstport 4789 dstport 4789 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | +-----------------------------------+-----------------------------------+ | +# | | | +# | +-----------------------------------|-----------------------------------+ | +# | | | | | +# | | +--------------------------------+--------------------------------+ | | +# | | | | | | +# | | + vlan10 vlan20 + | | +# | | | 2001:db8:1::2/64 2001:db8:2::2/64 | | | +# | | | | | | +# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | | +# | | 2001:db8:1::3/64 2001:db8:2::3/64 | | +# | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | +# | | vrf-green | | +# | +-----------------------------------------------------------------------+ | +# | | +# | + $rp1 +lo | +# | | 2001:db8:4::1/64 2001:db8:3::1/128 | +# +----|----------------------------------------------------------------------+ +# | +# +----|--------------------------------------------------------+ +# | | vrf-spine | +# | + $rp2 | +# | 2001:db8:4::2/64 | +# | | (maybe) HW +# ============================================================================= +# | | (likely) SW +# | | +# | + v1 (veth) | +# | | 2001:db8:5::2/64 | +# +----|--------------------------------------------------------+ +# | +# +----|----------------------------------------------------------------------+ +# | + v2 (veth) +lo NS1 (netns) | +# | 2001:db8:5::1/64 2001:db8:3::2/128 | +# | | +# | +-----------------------------------------------------------------------+ | +# | | vrf-green | | +# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | | +# | | | 2001:db8:1::3/64 2001:db8:2::3/64 | | | +# | | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | | +# | | | | | | +# | | + vlan10 vlan20 + | | +# | | | 2001:db8:1::3/64 2001:db8:2::3/64 | | | +# | | | | | | +# | | +--------------------------------+--------------------------------+ | | +# | | | | | +# | +-----------------------------------|-----------------------------------+ | +# | | | +# | +-----------------------------------+-----------------------------------+ | +# | | | | +# | | + vx10 + vx20 | | +# | | local 2001:db8:3::2 local 2001:db8:3::2 | | +# | | remote 2001:db8:3::1 remote 2001:db8:3::1 | | +# | | id 1000 id 2000 | | +# | | dstport 4789 dstport 4789 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | | + w1 (veth) + w3 (veth) | | +# | | | vid 10 pvid untagged br1 | vid 20 pvid untagged | | +# | +--|------------------------------------------|-------------------------+ | +# | | | | +# | | | | +# | +--|----------------------+ +--|-------------------------+ | +# | | | vrf-h1 | | | vrf-h2 | | +# | | + w2 (veth) | | + w4 (veth) | | +# | | 2001:db8:1::4/64 | | 2001:db8:2::4/64 | | +# | | default via | | default via | | +# | | 2001:db8:1::3/64 | | 2001:db8:2::3/64 | | +# | +-------------------------+ +----------------------------+ | +# +---------------------------------------------------------------------------+ + +ALL_TESTS=" + ping_ipv6 + arp_decap +" +NUM_NETIFS=6 +source lib.sh + +require_command $ARPING + +hx_create() +{ + local vrf_name=$1; shift + local if_name=$1; shift + local ip_addr=$1; shift + local gw_ip=$1; shift + + vrf_create $vrf_name + ip link set dev $if_name master $vrf_name + ip link set dev $vrf_name up + ip link set dev $if_name up + + ip address add $ip_addr/64 dev $if_name + ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \ + dev $if_name + ip route add default vrf $vrf_name nexthop via $gw_ip +} +export -f hx_create + +hx_destroy() +{ + local vrf_name=$1; shift + local if_name=$1; shift + local ip_addr=$1; shift + local gw_ip=$1; shift + + ip route del default vrf $vrf_name nexthop via $gw_ip + ip neigh del $gw_ip dev $if_name + ip address del $ip_addr/64 dev $if_name + + ip link set dev $if_name down + vrf_destroy $vrf_name +} + +h1_create() +{ + hx_create "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 +} + +h1_destroy() +{ + hx_destroy "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 +} + +h2_create() +{ + hx_create "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 +} + +h2_destroy() +{ + hx_destroy "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ + mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + ip link set dev $rp1 up + ip address add dev $rp1 2001:db8:4::1/64 + ip route add 2001:db8:3::2/128 nexthop via 2001:db8:4::2 + + ip link add name vx10 type vxlan id 1000 \ + local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx10 up + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 2000 \ + local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx20 up + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + bridge vlan add vid 10 dev $swp1 pvid untagged + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + bridge vlan add vid 20 dev $swp2 pvid untagged + + ip address add 2001:db8:3::1/128 dev lo + + # Create SVIs + vrf_create "vrf-green" + ip link set dev vrf-green up + + ip link add link br1 name vlan10 up master vrf-green type vlan id 10 + ip address add 2001:db8:1::2/64 dev vlan10 + ip link add link vlan10 name vlan10-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:1::3/64 dev vlan10-v + + ip link add link br1 name vlan20 up master vrf-green type vlan id 20 + ip address add 2001:db8:2::2/64 dev vlan20 + ip link add link vlan20 name vlan20-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:2::3/64 dev vlan20-v + + bridge vlan add vid 10 dev br1 self + bridge vlan add vid 20 dev br1 self + + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 + +} + +switch_destroy() +{ + bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20 + bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10 + + bridge vlan del vid 20 dev br1 self + bridge vlan del vid 10 dev br1 self + + ip link del dev vlan20 + + ip link del dev vlan10 + + vrf_destroy "vrf-green" + + ip address del 2001:db8:3::1/128 dev lo + + bridge vlan del vid 20 dev $swp2 + ip link set dev $swp2 down + ip link set dev $swp2 nomaster + + bridge vlan del vid 10 dev $swp1 + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + + bridge vlan del vid 20 dev vx20 + ip link set dev vx20 nomaster + + ip link set dev vx20 down + ip link del dev vx20 + + bridge vlan del vid 10 dev vx10 + ip link set dev vx10 nomaster + + ip link set dev vx10 down + ip link del dev vx10 + + ip route del 2001:db8:3::2 nexthop via 2001:db8:4::2 + ip address del dev $rp1 2001:db8:4::1/64 + ip link set dev $rp1 down + + ip link set dev br1 down + ip link del dev br1 +} + +spine_create() +{ + vrf_create "vrf-spine" + ip link set dev $rp2 master vrf-spine + ip link set dev v1 master vrf-spine + ip link set dev vrf-spine up + ip link set dev $rp2 up + ip link set dev v1 up + + ip address add 2001:db8:4::2/64 dev $rp2 + ip address add 2001:db8:5::2/64 dev v1 + + ip route add 2001:db8:3::1/128 vrf vrf-spine nexthop via \ + 2001:db8:4::1 + ip route add 2001:db8:3::2/128 vrf vrf-spine nexthop via \ + 2001:db8:5::1 +} + +spine_destroy() +{ + ip route del 2001:db8:3::2/128 vrf vrf-spine nexthop via \ + 2001:db8:5::1 + ip route del 2001:db8:3::1/128 vrf vrf-spine nexthop via \ + 2001:db8:4::1 + + ip address del 2001:db8:5::2/64 dev v1 + ip address del 2001:db8:4::2/64 dev $rp2 + + ip link set dev v1 down + ip link set dev $rp2 down + vrf_destroy "vrf-spine" +} + +ns_h1_create() +{ + hx_create "vrf-h1" w2 2001:db8:1::4 2001:db8:1::3 +} +export -f ns_h1_create + +ns_h2_create() +{ + hx_create "vrf-h2" w4 2001:db8:2::4 2001:db8:2::3 +} +export -f ns_h2_create + +ns_switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ + mcast_snooping 0 + ip link set dev br1 up + + ip link set dev v2 up + ip address add dev v2 2001:db8:5::1/64 + ip route add 2001:db8:3::1 nexthop via 2001:db8:5::2 + + ip link add name vx10 type vxlan id 1000 \ + local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx10 up + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 2000 \ + local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx20 up + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + ip link set dev w1 master br1 + ip link set dev w1 up + bridge vlan add vid 10 dev w1 pvid untagged + + ip link set dev w3 master br1 + ip link set dev w3 up + bridge vlan add vid 20 dev w3 pvid untagged + + ip address add 2001:db8:3::2/128 dev lo + + # Create SVIs + vrf_create "vrf-green" + ip link set dev vrf-green up + + ip link add link br1 name vlan10 up master vrf-green type vlan id 10 + ip address add 2001:db8:1::3/64 dev vlan10 + ip link add link vlan10 name vlan10-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:1::3/64 dev vlan10-v + + ip link add link br1 name vlan20 up master vrf-green type vlan id 20 + ip address add 2001:db8:2::3/64 dev vlan20 + ip link add link vlan20 name vlan20-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:2::3/64 dev vlan20-v + + bridge vlan add vid 10 dev br1 self + bridge vlan add vid 20 dev br1 self + + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 +} +export -f ns_switch_create + +ns_init() +{ + ip link add name w1 type veth peer name w2 + ip link add name w3 type veth peer name w4 + + ip link set dev lo up + + ns_h1_create + ns_h2_create + ns_switch_create +} +export -f ns_init + +ns1_create() +{ + ip netns add ns1 + ip link set dev v2 netns ns1 + in_ns ns1 ns_init +} + +ns1_destroy() +{ + ip netns exec ns1 ip link set dev v2 netns 1 + ip netns del ns1 +} + +macs_populate() +{ + local mac1=$1; shift + local mac2=$1; shift + local ip1=$1; shift + local ip2=$1; shift + local dst=$1; shift + + bridge fdb add $mac1 dev vx10 self master extern_learn static \ + dst $dst vlan 10 + bridge fdb add $mac2 dev vx20 self master extern_learn static \ + dst $dst vlan 20 + + ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \ + extern_learn + ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \ + extern_learn +} +export -f macs_populate + +macs_initialize() +{ + local h1_ns_mac=$(in_ns ns1 mac_get w2) + local h2_ns_mac=$(in_ns ns1 mac_get w4) + local h1_mac=$(mac_get $h1) + local h2_mac=$(mac_get $h2) + + macs_populate $h1_ns_mac $h2_ns_mac 2001:db8:1::4 2001:db8:2::4 \ + 2001:db8:3::2 + in_ns ns1 macs_populate $h1_mac $h2_mac 2001:db8:1::1 2001:db8:2::1 \ + 2001:db8:3::1 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1=${NETIFS[p5]} + rp2=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + switch_create + + ip link add name v1 type veth peer name v2 + spine_create + ns1_create + in_ns ns1 forwarding_enable + + macs_initialize +} + +cleanup() +{ + pre_cleanup + + ns1_destroy + spine_destroy + ip link del dev v1 + + switch_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:2::1 ": local->local vid 10->vid 20" + ping6_test $h1 2001:db8:1::4 ": local->remote vid 10->vid 10" + ping6_test $h2 2001:db8:2::4 ": local->remote vid 20->vid 20" + ping6_test $h1 2001:db8:2::4 ": local->remote vid 10->vid 20" + ping6_test $h2 2001:db8:1::4 ": local->remote vid 20->vid 10" +} + +arp_decap() +{ + # Repeat the ping tests, but without populating the neighbours. This + # makes sure we correctly decapsulate ARP packets + log_info "deleting neighbours from vlan interfaces" + + ip neigh del 2001:db8:1::4 dev vlan10 + ip neigh del 2001:db8:2::4 dev vlan20 + + ping_ipv6 + + ip neigh replace 2001:db8:1::4 lladdr $(in_ns ns1 mac_get w2) \ + nud noarp dev vlan10 extern_learn + ip neigh replace 2001:db8:2::4 lladdr $(in_ns ns1 mac_get w4) \ + nud noarp dev vlan20 extern_learn +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh new file mode 100755 index 000000000000..ac97f07e5ce8 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh @@ -0,0 +1,804 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +-----------------------+ +------------------------+ +# | H1 (vrf) | | H2 (vrf) | +# | + $h1 | | + $h2 | +# | | 192.0.2.1/28 | | | 192.0.2.2/28 | +# | | 2001:db8:1::1/64 | | | 2001:db8:1::2/64 | +# +----|------------------+ +----|-------------------+ +# | | +# +----|--------------------------------------------------|-------------------+ +# | SW | | | +# | +--|--------------------------------------------------|-----------------+ | +# | | + $swp1 BR1 (802.1d) + $swp2 | | +# | | | | +# | | + vx1 (vxlan) | | +# | | local 2001:db8:3::1 | | +# | | remote 2001:db8:4::1 2001:db8:5::1 | | +# | | id 1000 dstport $VXPORT | | +# | +-----------------------------------------------------------------------+ | +# | | +# | 2001:db8:4::0/64 via 2001:db8:3::2 | +# | 2001:db8:5::0/64 via 2001:db8:3::2 | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|----------------------------------------------------------+ +# | | VRP2 (vrf) | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | (maybe) HW +# ============================================================================= +# | | (likely) SW +# | + v1 (veth) + v3 (veth) | +# | | 2001:db8:4::2/64 | 2001:db8:5::2/64 | +# +----|---------------------------------------|------------------+ +# | | +# +----|--------------------------------+ +----|-------------------------------+ +# | + v2 (veth) NS1 (netns) | | + v4 (veth) NS2 (netns) | +# | 2001:db8:4::1/64 | | 2001:db8:5::1/64 | +# | | | | +# | 2001:db8:3::0/64 via 2001:db8:4::2 | | 2001:db8:3::0/64 via 2001:db8:5::2 | +# | 2001:db8:5::1/128 via 2001:db8:4::2 | | 2001:db8:4::1/128 via | +# | | | 2001:db8:5::2 | +# | | | | +# | +-------------------------------+ | | +-------------------------------+ | +# | | BR2 (802.1d) | | | | BR2 (802.1d) | | +# | | + vx2 (vxlan) | | | | + vx2 (vxlan) | | +# | | local 2001:db8:4::1 | | | | local 2001:db8:5::1 | | +# | | remote 2001:db8:3::1 | | | | remote 2001:db8:3::1 | | +# | | remote 2001:db8:5::1 | | | | remote 2001:db8:4::1 | | +# | | id 1000 dstport $VXPORT | | | | id 1000 dstport $VXPORT | | +# | | | | | | | | +# | | + w1 (veth) | | | | + w1 (veth) | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | | | | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | + w2 (veth) VW2 (vrf) | | | | + w2 (veth) VW2 (vrf) | | +# | | 192.0.2.3/28 | | | | 192.0.2.4/28 | | +# | | 2001:db8:1::3/64 | | | | 2001:db8:1::4/64 | | +# | +-------------------------------+ | | +-------------------------------+ | +# +-------------------------------------+ +------------------------------------+ + +: ${VXPORT:=4789} +export VXPORT + +: ${ALL_TESTS:=" + ping_ipv4 + ping_ipv6 + test_flood + test_unicast + test_ttl + test_tos + test_ecn_encap + test_ecn_decap + reapply_config + ping_ipv4 + ping_ipv6 + test_flood + test_unicast +"} + +NUM_NETIFS=6 +source lib.sh +source tc_common.sh + +h1_create() +{ + simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64 + tc qdisc add dev $h1 clsact +} + +h1_destroy() +{ + tc qdisc del dev $h1 clsact + simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64 + tc qdisc add dev $h2 clsact +} + +h2_destroy() +{ + tc qdisc del dev $h2 clsact + simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64 +} + +rp1_set_addr() +{ + ip address add dev $rp1 2001:db8:3::1/64 + + ip route add 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + ip route add 2001:db8:5::0/64 nexthop via 2001:db8:3::2 +} + +rp1_unset_addr() +{ + ip route del 2001:db8:5::0/64 nexthop via 2001:db8:3::2 + ip route del 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + + ip address del dev $rp1 2001:db8:3::1/64 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 0 mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + ip link set dev $rp1 up + rp1_set_addr + tc qdisc add dev $rp1 clsact + + ip link add name vx1 type vxlan id 1000 local 2001:db8:3::1 \ + dstport "$VXPORT" nolearning udp6zerocsumrx udp6zerocsumtx \ + tos inherit ttl 100 + ip link set dev vx1 up + + ip link set dev vx1 master br1 + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + tc qdisc add dev $swp1 clsact + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + + bridge fdb append dev vx1 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx1 00:00:00:00:00:00 dst 2001:db8:5::1 self +} + +switch_destroy() +{ + bridge fdb del dev vx1 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx1 00:00:00:00:00:00 dst 2001:db8:4::1 self + + ip link set dev $swp2 down + ip link set dev $swp2 nomaster + + tc qdisc del dev $swp1 clsact + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + + ip link set dev vx1 nomaster + ip link set dev vx1 down + ip link del dev vx1 + + tc qdisc del dev $rp1 clsact + rp1_unset_addr + ip link set dev $rp1 down + + ip link set dev br1 down + ip link del dev br1 +} + +vrp2_create() +{ + simple_if_init $rp2 2001:db8:3::2/64 + __simple_if_init v1 v$rp2 2001:db8:4::2/64 + __simple_if_init v3 v$rp2 2001:db8:5::2/64 + tc qdisc add dev v1 clsact +} + +vrp2_destroy() +{ + tc qdisc del dev v1 clsact + __simple_if_fini v3 2001:db8:5::2/64 + __simple_if_fini v1 2001:db8:4::2/64 + simple_if_fini $rp2 2001:db8:3::2/64 +} + +ns_init_common() +{ + local in_if=$1; shift + local in_addr=$1; shift + local other_in_addr=$1; shift + local nh_addr=$1; shift + local host_addr_ipv4=$1; shift + local host_addr_ipv6=$1; shift + + ip link set dev $in_if up + ip address add dev $in_if $in_addr/64 + tc qdisc add dev $in_if clsact + + ip link add name br2 type bridge vlan_filtering 0 + ip link set dev br2 up + + ip link add name w1 type veth peer name w2 + + ip link set dev w1 master br2 + ip link set dev w1 up + + ip link add name vx2 type vxlan id 1000 local $in_addr \ + dstport "$VXPORT" udp6zerocsumrx + ip link set dev vx2 up + bridge fdb append dev vx2 00:00:00:00:00:00 dst 2001:db8:3::1 self + bridge fdb append dev vx2 00:00:00:00:00:00 dst $other_in_addr self + + ip link set dev vx2 master br2 + tc qdisc add dev vx2 clsact + + simple_if_init w2 $host_addr_ipv4/28 $host_addr_ipv6/64 + + ip route add 2001:db8:3::0/64 nexthop via $nh_addr + ip route add $other_in_addr/128 nexthop via $nh_addr +} +export -f ns_init_common + +ns1_create() +{ + ip netns add ns1 + ip link set dev v2 netns ns1 + in_ns ns1 \ + ns_init_common v2 2001:db8:4::1 2001:db8:5::1 2001:db8:4::2 \ + 192.0.2.3 2001:db8:1::3 +} + +ns1_destroy() +{ + ip netns exec ns1 ip link set dev v2 netns 1 + ip netns del ns1 +} + +ns2_create() +{ + ip netns add ns2 + ip link set dev v4 netns ns2 + in_ns ns2 \ + ns_init_common v4 2001:db8:5::1 2001:db8:4::1 2001:db8:5::2 \ + 192.0.2.4 2001:db8:1::4 +} + +ns2_destroy() +{ + ip netns exec ns2 ip link set dev v4 netns 1 + ip netns del ns2 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1=${NETIFS[p5]} + rp2=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + switch_create + + ip link add name v1 type veth peer name v2 + ip link add name v3 type veth peer name v4 + vrp2_create + ns1_create + ns2_create + + r1_mac=$(in_ns ns1 mac_get w2) + r2_mac=$(in_ns ns2 mac_get w2) + h2_mac=$(mac_get $h2) +} + +cleanup() +{ + pre_cleanup + + ns2_destroy + ns1_destroy + vrp2_destroy + ip link del dev v3 + ip link del dev v1 + + switch_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +# For the first round of tests, vx1 is the first device to get +# attached to the bridge, and at that point the local IP is already +# configured. Try the other scenario of attaching the devices to a an +# already-offloaded bridge, and only then assign the local IP. +reapply_config() +{ + log_info "Reapplying configuration" + + bridge fdb del dev vx1 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx1 00:00:00:00:00:00 dst 2001:db8:4::1 self + ip link set dev vx1 nomaster + rp1_unset_addr + sleep 5 + + ip link set dev vx1 master br1 + bridge fdb append dev vx1 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx1 00:00:00:00:00:00 dst 2001:db8:5::1 self + sleep 1 + rp1_set_addr + sleep 5 +} + +__ping_ipv4() +{ + local vxlan_local_ip=$1; shift + local vxlan_remote_ip=$1; shift + local src_ip=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local info=$1; shift + + RET=0 + + tc filter add dev $rp1 egress protocol ipv6 pref 1 handle 101 \ + flower ip_proto udp src_ip $vxlan_local_ip \ + dst_ip $vxlan_remote_ip dst_port $VXPORT $TC_FLAG action pass + # Match ICMP-reply packets after decapsulation, so source IP is + # destination IP of the ping and destination IP is source IP of the + # ping. + tc filter add dev $swp1 egress protocol ip pref 1 handle 101 \ + flower src_ip $dst_ip dst_ip $src_ip \ + $TC_FLAG action pass + + # Send 100 packets and verify that at least 100 packets hit the rule, + # to overcome ARP noise. + PING_COUNT=100 PING_TIMEOUT=11 ping_do $dev $dst_ip + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $rp1 egress" 101 10 100 + check_err $? "Encapsulated packets did not go through router" + + tc_check_at_least_x_packets "dev $swp1 egress" 101 10 100 + check_err $? "Decapsulated packets did not go through switch" + + log_test "ping: $info" + + tc filter del dev $swp1 egress + tc filter del dev $rp1 egress +} + +ping_ipv4() +{ + RET=0 + + local local_sw_ip=2001:db8:3::1 + local remote_ns1_ip=2001:db8:4::1 + local remote_ns2_ip=2001:db8:5::1 + local h1_ip=192.0.2.1 + local w2_ns1_ip=192.0.2.3 + local w2_ns2_ip=192.0.2.4 + + ping_test $h1 192.0.2.2 ": local->local" + + __ping_ipv4 $local_sw_ip $remote_ns1_ip $h1_ip $w2_ns1_ip $h1 \ + "local->remote 1" + __ping_ipv4 $local_sw_ip $remote_ns2_ip $h1_ip $w2_ns2_ip $h1 \ + "local->remote 2" +} + +__ping_ipv6() +{ + local vxlan_local_ip=$1; shift + local vxlan_remote_ip=$1; shift + local src_ip=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local info=$1; shift + + RET=0 + + tc filter add dev $rp1 egress protocol ipv6 pref 1 handle 101 \ + flower ip_proto udp src_ip $vxlan_local_ip \ + dst_ip $vxlan_remote_ip dst_port $VXPORT $TC_FLAG action pass + # Match ICMP-reply packets after decapsulation, so source IP is + # destination IP of the ping and destination IP is source IP of the + # ping. + tc filter add dev $swp1 egress protocol ipv6 pref 1 handle 101 \ + flower src_ip $dst_ip dst_ip $src_ip $TC_FLAG action pass + + # Send 100 packets and verify that at least 100 packets hit the rule, + # to overcome neighbor discovery noise. + PING_COUNT=100 PING_TIMEOUT=11 ping6_do $dev $dst_ip + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $rp1 egress" 101 100 + check_err $? "Encapsulated packets did not go through router" + + tc_check_at_least_x_packets "dev $swp1 egress" 101 100 + check_err $? "Decapsulated packets did not go through switch" + + log_test "ping6: $info" + + tc filter del dev $swp1 egress + tc filter del dev $rp1 egress +} + +ping_ipv6() +{ + RET=0 + + local local_sw_ip=2001:db8:3::1 + local remote_ns1_ip=2001:db8:4::1 + local remote_ns2_ip=2001:db8:5::1 + local h1_ip=2001:db8:1::1 + local w2_ns1_ip=2001:db8:1::3 + local w2_ns2_ip=2001:db8:1::4 + + ping6_test $h1 2001:db8:1::2 ": local->local" + + __ping_ipv6 $local_sw_ip $remote_ns1_ip $h1_ip $w2_ns1_ip $h1 \ + "local->remote 1" + __ping_ipv6 $local_sw_ip $remote_ns2_ip $h1_ip $w2_ns2_ip $h1 \ + "local->remote 2" +} + +maybe_in_ns() +{ + echo ${1:+in_ns} $1 +} + +__flood_counter_add_del() +{ + local add_del=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local ns=$1; shift + + # Putting the ICMP capture both to HW and to SW will end up + # double-counting the packets that are trapped to slow path, such as for + # the unicast test. Adding either skip_hw or skip_sw fixes this problem, + # but with skip_hw, the flooded packets are not counted at all, because + # those are dropped due to MAC address mismatch; and skip_sw is a no-go + # for veth-based topologies. + # + # So try to install with skip_sw and fall back to skip_sw if that fails. + + $(maybe_in_ns $ns) tc filter $add_del dev "$dev" ingress \ + proto ipv6 pref 100 flower dst_ip $dst_ip ip_proto \ + icmpv6 skip_sw action pass 2>/dev/null || \ + $(maybe_in_ns $ns) tc filter $add_del dev "$dev" ingress \ + proto ipv6 pref 100 flower dst_ip $dst_ip ip_proto \ + icmpv6 skip_hw action pass +} + +flood_counter_install() +{ + __flood_counter_add_del add "$@" +} + +flood_counter_uninstall() +{ + __flood_counter_add_del del "$@" +} + +flood_fetch_stat() +{ + local dev=$1; shift + local ns=$1; shift + + $(maybe_in_ns $ns) tc_rule_stats_get $dev 100 ingress +} + +flood_fetch_stats() +{ + local counters=("${@}") + local counter + + for counter in "${counters[@]}"; do + flood_fetch_stat $counter + done +} + +vxlan_flood_test() +{ + local mac=$1; shift + local dst=$1; shift + local -a expects=("${@}") + + local -a counters=($h2 "vx2 ns1" "vx2 ns2") + local counter + local key + + for counter in "${counters[@]}"; do + flood_counter_install $dst $counter + done + + local -a t0s=($(flood_fetch_stats "${counters[@]}")) + $MZ -6 $h1 -c 10 -d 100msec -p 64 -b $mac -B $dst -t icmp6 type=128 -q + sleep 1 + local -a t1s=($(flood_fetch_stats "${counters[@]}")) + + for key in ${!t0s[@]}; do + local delta=$((t1s[$key] - t0s[$key])) + local expect=${expects[$key]} + + ((expect == delta)) + check_err $? "${counters[$key]}: Expected to capture $expect packets, got $delta." + done + + for counter in "${counters[@]}"; do + flood_counter_uninstall $dst $counter + done +} + +__test_flood() +{ + local mac=$1; shift + local dst=$1; shift + local what=$1; shift + + RET=0 + + vxlan_flood_test $mac $dst 10 10 10 + + log_test "VXLAN: $what" +} + +test_flood() +{ + __test_flood de:ad:be:ef:13:37 2001:db8:1::100 "flood" +} + +vxlan_fdb_add_del() +{ + local add_del=$1; shift + local mac=$1; shift + local dev=$1; shift + local dst=$1; shift + + bridge fdb $add_del dev $dev $mac self static permanent \ + ${dst:+dst} $dst 2>/dev/null + bridge fdb $add_del dev $dev $mac master static 2>/dev/null +} + +__test_unicast() +{ + local mac=$1; shift + local dst=$1; shift + local hit_idx=$1; shift + local what=$1; shift + + RET=0 + + local -a expects=(0 0 0) + expects[$hit_idx]=10 + + vxlan_flood_test $mac $dst "${expects[@]}" + + log_test "VXLAN: $what" +} + +test_unicast() +{ + local -a targets=("$h2_mac $h2" + "$r1_mac vx1 2001:db8:4::1" + "$r2_mac vx1 2001:db8:5::1") + local target + + for target in "${targets[@]}"; do + vxlan_fdb_add_del add $target + done + + __test_unicast $h2_mac 2001:db8:1::2 0 "local MAC unicast" + __test_unicast $r1_mac 2001:db8:1::3 1 "remote MAC 1 unicast" + __test_unicast $r2_mac 2001:db8:1::4 2 "remote MAC 2 unicast" + + for target in "${targets[@]}"; do + vxlan_fdb_add_del del $target + done +} + +vxlan_ping_test() +{ + local ping_dev=$1; shift + local ping_dip=$1; shift + local ping_args=$1; shift + local capture_dev=$1; shift + local capture_dir=$1; shift + local capture_pref=$1; shift + local expect=$1; shift + + local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) + ping6_do $ping_dev $ping_dip "$ping_args" + local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) + local delta=$((t1 - t0)) + + # Tolerate a couple stray extra packets. + ((expect <= delta && delta <= expect + 2)) + check_err $? "$capture_dev: Expected to capture $expect packets, got $delta." +} + +test_ttl() +{ + RET=0 + + tc filter add dev v1 egress pref 77 protocol ipv6 \ + flower ip_ttl 99 action pass + vxlan_ping_test $h1 2001:db8:1::3 "" v1 egress 77 10 + tc filter del dev v1 egress pref 77 protocol ipv6 + + log_test "VXLAN: envelope TTL" +} + +test_tos() +{ + RET=0 + + tc filter add dev v1 egress pref 77 protocol ipv6 \ + flower ip_tos 0x14 action pass + vxlan_ping_test $h1 2001:db8:1::3 "-Q 0x14" v1 egress 77 10 + vxlan_ping_test $h1 2001:db8:1::3 "-Q 0x18" v1 egress 77 0 + tc filter del dev v1 egress pref 77 protocol ipv6 + + log_test "VXLAN: envelope TOS inheritance" +} + +__test_ecn_encap() +{ + local q=$1; shift + local tos=$1; shift + + RET=0 + + tc filter add dev v1 egress pref 77 protocol ipv6 \ + flower ip_tos $tos action pass + sleep 1 + vxlan_ping_test $h1 2001:db8:1::3 "-Q $q" v1 egress 77 10 + tc filter del dev v1 egress pref 77 protocol ipv6 + + log_test "VXLAN: ECN encap: $q->$tos" +} + +test_ecn_encap() +{ + # In accordance with INET_ECN_encapsulate() + __test_ecn_encap 0x00 0x00 + __test_ecn_encap 0x01 0x01 + __test_ecn_encap 0x02 0x02 + __test_ecn_encap 0x03 0x02 +} + +vxlan_encapped_ping_do() +{ + local count=$1; shift + local dev=$1; shift + local next_hop_mac=$1; shift + local dest_ip=$1; shift + local dest_mac=$1; shift + local inner_tos=$1; shift + local outer_tos=$1; shift + local saddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:03" + local daddr="20:01:0d:b8:00:01:00:00:00:00:00:00:00:00:00:01" + + $MZ -6 $dev -c $count -d 100msec -q \ + -b $next_hop_mac -B $dest_ip \ + -t udp tos=$outer_tos,sp=23456,dp=$VXPORT,p=$(: + )"08:"$( : VXLAN flags + )"00:00:00:"$( : VXLAN reserved + )"00:03:e8:"$( : VXLAN VNI + )"00:"$( : VXLAN reserved + )"$dest_mac:"$( : ETH daddr + )"$(mac_get w2):"$( : ETH saddr + )"86:dd:"$( : ETH type + )"6"$( : IP version + )"$inner_tos"$( : Traffic class + )"0:00:00:"$( : Flow label + )"00:08:"$( : Payload length + )"3a:"$( : Next header + )"04:"$( : Hop limit + )"$saddr:"$( : IP saddr + )"$daddr:"$( : IP daddr + )"80:"$( : ICMPv6.type + )"00:"$( : ICMPv6.code + )"00:"$( : ICMPv6.checksum + ) +} +export -f vxlan_encapped_ping_do + +vxlan_encapped_ping_test() +{ + local ping_dev=$1; shift + local nh_dev=$1; shift + local ping_dip=$1; shift + local inner_tos=$1; shift + local outer_tos=$1; shift + local stat_get=$1; shift + local expect=$1; shift + + local t0=$($stat_get) + + in_ns ns1 \ + vxlan_encapped_ping_do 10 $ping_dev $(mac_get $nh_dev) \ + $ping_dip $(mac_get $h1) \ + $inner_tos $outer_tos + sleep 1 + local t1=$($stat_get) + local delta=$((t1 - t0)) + + # Tolerate a couple stray extra packets. + ((expect <= delta && delta <= expect + 2)) + check_err $? "Expected to capture $expect packets, got $delta." +} +export -f vxlan_encapped_ping_test + +__test_ecn_decap() +{ + local orig_inner_tos=$1; shift + local orig_outer_tos=$1; shift + local decapped_tos=$1; shift + + RET=0 + + tc filter add dev $h1 ingress pref 77 protocol ipv6 \ + flower src_ip 2001:db8:1::3 dst_ip 2001:db8:1::1 \ + ip_tos $decapped_tos action drop + sleep 1 + vxlan_encapped_ping_test v2 v1 2001:db8:3::1 \ + $orig_inner_tos $orig_outer_tos \ + "tc_rule_stats_get $h1 77 ingress" 10 + tc filter del dev $h1 ingress pref 77 + + log_test "VXLAN: ECN decap: $orig_outer_tos/$orig_inner_tos->$decapped_tos" +} + +test_ecn_decap_error() +{ + local orig_inner_tos="0:0" + local orig_outer_tos=03 + + RET=0 + + vxlan_encapped_ping_test v2 v1 2001:db8:3::1 \ + $orig_inner_tos $orig_outer_tos \ + "link_stats_rx_errors_get vx1" 10 + + log_test "VXLAN: ECN decap: $orig_outer_tos/$orig_inner_tos->error" +} + +test_ecn_decap() +{ + # In accordance with INET_ECN_decapsulate() + __test_ecn_decap "0:0" 00 0x00 + __test_ecn_decap "0:0" 01 0x00 + __test_ecn_decap "0:0" 02 0x00 + # 00 03 is tested in test_ecn_decap_error() + __test_ecn_decap "0:1" 00 0x01 + __test_ecn_decap "0:1" 01 0x01 + __test_ecn_decap "0:1" 02 0x01 + __test_ecn_decap "0:1" 03 0x03 + __test_ecn_decap "0:2" 00 0x02 + __test_ecn_decap "0:2" 01 0x01 + __test_ecn_decap "0:2" 02 0x02 + __test_ecn_decap "0:2" 03 0x03 + __test_ecn_decap "0:3" 00 0x03 + __test_ecn_decap "0:3" 01 0x03 + __test_ecn_decap "0:3" 02 0x03 + __test_ecn_decap "0:3" 03 0x03 + test_ecn_decap_error +} + +test_all() +{ + log_info "Running tests with UDP port $VXPORT" + tests_run +} + +trap cleanup EXIT + +setup_prepare +setup_wait +test_all + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_port_8472_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_port_8472_ipv6.sh new file mode 100755 index 000000000000..00540317737a --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d_port_8472_ipv6.sh @@ -0,0 +1,11 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# A wrapper to run VXLAN tests with an unusual port number. + +VXPORT=8472 +ALL_TESTS=" + ping_ipv4 + ping_ipv6 +" +source vxlan_bridge_1d_ipv6.sh diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q.sh index a5789721ba92..a596bbf3ed6a 100755 --- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q.sh +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q.sh @@ -680,26 +680,6 @@ test_pvid() log_test "VXLAN: flood after vlan re-add" } -vxlan_ping_test() -{ - local ping_dev=$1; shift - local ping_dip=$1; shift - local ping_args=$1; shift - local capture_dev=$1; shift - local capture_dir=$1; shift - local capture_pref=$1; shift - local expect=$1; shift - - local t0=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) - ping_do $ping_dev $ping_dip "$ping_args" - local t1=$(tc_rule_stats_get $capture_dev $capture_pref $capture_dir) - local delta=$((t1 - t0)) - - # Tolerate a couple stray extra packets. - ((expect <= delta && delta <= expect + 2)) - check_err $? "$capture_dev: Expected to capture $expect packets, got $delta." -} - __test_learning() { local -a expects=(0 0 0 0 0) diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh new file mode 100755 index 000000000000..d880df89bc8b --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_ipv6.sh @@ -0,0 +1,837 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# +-----------------------+ +------------------------+ +# | H1 (vrf) | | H2 (vrf) | +# | + $h1.10 | | + $h2.10 | +# | | 192.0.2.1/28 | | | 192.0.2.2/28 | +# | | 2001:db8:1::1/64 | | | 2001:db8:1::2/64 | +# | | | | | | +# | | + $h1.20 | | | + $h2.20 | +# | \ | 198.51.100.1/24 | | \ | 198.51.100.2/24 | +# | \ | 2001:db8:2::1/64 | | \ | 2001:db8:2::2/64 | +# | \| | | \| | +# | + $h1 | | + $h2 | +# +----|------------------+ +----|-------------------+ +# | | +# +----|--------------------------------------------------|-------------------+ +# | SW | | | +# | +--|--------------------------------------------------|-----------------+ | +# | | + $swp1 BR1 (802.1q) + $swp2 | | +# | | vid 10 vid 10 | | +# | | vid 20 vid 20 | | +# | | | | +# | | + vx10 (vxlan) + vx20 (vxlan) | | +# | | local: local: | | +# | | 2001:db8:3::1 2001:db8:3::1 | | +# | | remote: remote: | | +# | | 2001:db8:4::1 2001:db8:5::1 2001:db8:4::1 2001:db8:5::1 | | +# | | id 1000 dstport $VXPORT id 2000 dstport $VXPORT | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | +-----------------------------------------------------------------------+ | +# | | +# | 2001:db8:4::0/64 via 2001:db8:3::2 | +# | 2001:db8:5::0/64 via 2001:db8:3::2 | +# | | +# | + $rp1 | +# | | 2001:db8:3::1/64 | +# +----|----------------------------------------------------------------------+ +# | +# +----|----------------------------------------------------------+ +# | | VRP2 (vrf) | +# | + $rp2 | +# | 2001:db8:3::2/64 | +# | | (maybe) HW +# ============================================================================= +# | | (likely) SW +# | + v1 (veth) + v3 (veth) | +# | | 2001:db8:4::2/64 | 2001:db8:5::2/64 | +# +----|---------------------------------------|------------------+ +# | | +# +----|--------------------------------+ +----|-------------------------------+ +# | + v2 (veth) NS1 (netns) | | + v4 (veth) NS2 (netns) | +# | 2001:db8:4::1/64 | | 2001:db8:5::1/64 | +# | | | | +# | 2001:db8:3::0/64 via 2001:db8:4::2 | | 2001:db8:3::0/64 via 2001:db8:5::2 | +# | 2001:db8:5::1/128 via 2001:db8:4::2 | | 2001:db8:4::1/128 via | +# | | | 2001:db8:5::2 | +# | | | | +# | +-------------------------------+ | | +-------------------------------+ | +# | | BR2 (802.1q) | | | | BR2 (802.1q) | | +# | | + vx10 (vxlan) | | | | + vx10 (vxlan) | | +# | | local 2001:db8:4::1 | | | | local 2001:db8:5::1 | | +# | | remote 2001:db8:3::1 | | | | remote 2001:db8:3::1 | | +# | | remote 2001:db8:5::1 | | | | remote 2001:db8:4::1 | | +# | | id 1000 dstport $VXPORT | | | | id 1000 dstport $VXPORT | | +# | | vid 10 pvid untagged | | | | vid 10 pvid untagged | | +# | | | | | | | | +# | | + vx20 (vxlan) | | | | + vx20 (vxlan) | | +# | | local 2001:db8:4::1 | | | | local 2001:db8:5::1 | | +# | | remote 2001:db8:3::1 | | | | remote 2001:db8:3::1 | | +# | | remote 2001:db8:5::1 | | | | remote 2001:db8:4::1 | | +# | | id 2000 dstport $VXPORT | | | | id 2000 dstport $VXPORT | | +# | | vid 20 pvid untagged | | | | vid 20 pvid untagged | | +# | | | | | | | | +# | | + w1 (veth) | | | | + w1 (veth) | | +# | | | vid 10 | | | | | vid 10 | | +# | | | vid 20 | | | | | vid 20 | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | | | | | +# | +--|----------------------------+ | | +--|----------------------------+ | +# | | + w2 (veth) VW2 (vrf) | | | | + w2 (veth) VW2 (vrf) | | +# | | |\ | | | | |\ | | +# | | | + w2.10 | | | | | + w2.10 | | +# | | | 192.0.2.3/28 | | | | | 192.0.2.4/28 | | +# | | | 2001:db8:1::3/64 | | | | | 2001:db8:1::4/64 | | +# | | | | | | | | | | +# | | + w2.20 | | | | + w2.20 | | +# | | 198.51.100.3/24 | | | | 198.51.100.4/24 | | +# | | 2001:db8:2::3/64 | | | | 2001:db8:2::4/64 | | +# | +-------------------------------+ | | +-------------------------------+ | +# +-------------------------------------+ +------------------------------------+ + +: ${VXPORT:=4789} +export VXPORT + +: ${ALL_TESTS:=" + ping_ipv4 + ping_ipv6 + test_flood + test_unicast + reapply_config + ping_ipv4 + ping_ipv6 + test_flood + test_unicast + test_pvid + ping_ipv4 + ping_ipv6 + test_flood + test_pvid +"} + +NUM_NETIFS=6 +source lib.sh +source tc_common.sh + +h1_create() +{ + simple_if_init $h1 + tc qdisc add dev $h1 clsact + vlan_create $h1 10 v$h1 192.0.2.1/28 2001:db8:1::1/64 + vlan_create $h1 20 v$h1 198.51.100.1/24 2001:db8:2::1/64 +} + +h1_destroy() +{ + vlan_destroy $h1 20 + vlan_destroy $h1 10 + tc qdisc del dev $h1 clsact + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 + tc qdisc add dev $h2 clsact + vlan_create $h2 10 v$h2 192.0.2.2/28 2001:db8:1::2/64 + vlan_create $h2 20 v$h2 198.51.100.2/24 2001:db8:2::2/64 +} + +h2_destroy() +{ + vlan_destroy $h2 20 + vlan_destroy $h2 10 + tc qdisc del dev $h2 clsact + simple_if_fini $h2 +} + +rp1_set_addr() +{ + ip address add dev $rp1 2001:db8:3::1/64 + + ip route add 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + ip route add 2001:db8:5::0/64 nexthop via 2001:db8:3::2 +} + +rp1_unset_addr() +{ + ip route del 2001:db8:5::0/64 nexthop via 2001:db8:3::2 + ip route del 2001:db8:4::0/64 nexthop via 2001:db8:3::2 + + ip address del dev $rp1 2001:db8:3::1/64 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ + mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + ip link set dev $rp1 up + rp1_set_addr + tc qdisc add dev $rp1 clsact + + ip link add name vx10 type vxlan id 1000 local 2001:db8:3::1 \ + dstport "$VXPORT" nolearning udp6zerocsumrx udp6zerocsumtx \ + tos inherit ttl 100 + ip link set dev vx10 up + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 2000 local 2001:db8:3::1 \ + dstport "$VXPORT" nolearning udp6zerocsumrx udp6zerocsumtx \ + tos inherit ttl 100 + ip link set dev vx20 up + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + tc qdisc add dev $swp1 clsact + bridge vlan add vid 10 dev $swp1 + bridge vlan add vid 20 dev $swp1 + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + bridge vlan add vid 10 dev $swp2 + bridge vlan add vid 20 dev $swp2 + + bridge fdb append dev vx10 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx10 00:00:00:00:00:00 dst 2001:db8:5::1 self + + bridge fdb append dev vx20 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx20 00:00:00:00:00:00 dst 2001:db8:5::1 self +} + +switch_destroy() +{ + bridge fdb del dev vx20 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx20 00:00:00:00:00:00 dst 2001:db8:4::1 self + + bridge fdb del dev vx10 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx10 00:00:00:00:00:00 dst 2001:db8:4::1 self + + bridge vlan del vid 20 dev $swp2 + bridge vlan del vid 10 dev $swp2 + ip link set dev $swp2 down + ip link set dev $swp2 nomaster + + bridge vlan del vid 20 dev $swp1 + bridge vlan del vid 10 dev $swp1 + tc qdisc del dev $swp1 clsact + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + + bridge vlan del vid 20 dev vx20 + ip link set dev vx20 nomaster + + ip link set dev vx20 down + ip link del dev vx20 + + bridge vlan del vid 10 dev vx10 + ip link set dev vx10 nomaster + + ip link set dev vx10 down + ip link del dev vx10 + + tc qdisc del dev $rp1 clsact + rp1_unset_addr + ip link set dev $rp1 down + + ip link set dev br1 down + ip link del dev br1 +} + +vrp2_create() +{ + simple_if_init $rp2 2001:db8:3::2/64 + __simple_if_init v1 v$rp2 2001:db8:4::2/64 + __simple_if_init v3 v$rp2 2001:db8:5::2/64 + tc qdisc add dev v1 clsact +} + +vrp2_destroy() +{ + tc qdisc del dev v1 clsact + __simple_if_fini v3 2001:db8:5::2/64 + __simple_if_fini v1 2001:db8:4::2/64 + simple_if_fini $rp2 2001:db8:3::2/64 +} + +ns_init_common() +{ + local in_if=$1; shift + local in_addr=$1; shift + local other_in_addr=$1; shift + local nh_addr=$1; shift + local host_addr1_ipv4=$1; shift + local host_addr1_ipv6=$1; shift + local host_addr2_ipv4=$1; shift + local host_addr2_ipv6=$1; shift + + ip link set dev $in_if up + ip address add dev $in_if $in_addr/64 + tc qdisc add dev $in_if clsact + + ip link add name br2 type bridge vlan_filtering 1 vlan_default_pvid 0 + ip link set dev br2 up + + ip link add name w1 type veth peer name w2 + + ip link set dev w1 master br2 + ip link set dev w1 up + + bridge vlan add vid 10 dev w1 + bridge vlan add vid 20 dev w1 + + ip link add name vx10 type vxlan id 1000 local $in_addr \ + dstport "$VXPORT" udp6zerocsumrx + ip link set dev vx10 up + bridge fdb append dev vx10 00:00:00:00:00:00 dst 2001:db8:3::1 self + bridge fdb append dev vx10 00:00:00:00:00:00 dst $other_in_addr self + + ip link set dev vx10 master br2 + tc qdisc add dev vx10 clsact + + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 2000 local $in_addr \ + dstport "$VXPORT" udp6zerocsumrx + ip link set dev vx20 up + bridge fdb append dev vx20 00:00:00:00:00:00 dst 2001:db8:3::1 self + bridge fdb append dev vx20 00:00:00:00:00:00 dst $other_in_addr self + + ip link set dev vx20 master br2 + tc qdisc add dev vx20 clsact + + bridge vlan add vid 20 dev vx20 pvid untagged + + simple_if_init w2 + vlan_create w2 10 vw2 $host_addr1_ipv4/28 $host_addr1_ipv6/64 + vlan_create w2 20 vw2 $host_addr2_ipv4/24 $host_addr2_ipv6/64 + + ip route add 2001:db8:3::0/64 nexthop via $nh_addr + ip route add $other_in_addr/128 nexthop via $nh_addr +} +export -f ns_init_common + +ns1_create() +{ + ip netns add ns1 + ip link set dev v2 netns ns1 + in_ns ns1 \ + ns_init_common v2 2001:db8:4::1 2001:db8:5::1 2001:db8:4::2 \ + 192.0.2.3 2001:db8:1::3 198.51.100.3 2001:db8:2::3 +} + +ns1_destroy() +{ + ip netns exec ns1 ip link set dev v2 netns 1 + ip netns del ns1 +} + +ns2_create() +{ + ip netns add ns2 + ip link set dev v4 netns ns2 + in_ns ns2 \ + ns_init_common v4 2001:db8:5::1 2001:db8:4::1 2001:db8:5::2 \ + 192.0.2.4 2001:db8:1::4 198.51.100.4 2001:db8:2::4 +} + +ns2_destroy() +{ + ip netns exec ns2 ip link set dev v4 netns 1 + ip netns del ns2 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1=${NETIFS[p5]} + rp2=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + switch_create + + ip link add name v1 type veth peer name v2 + ip link add name v3 type veth peer name v4 + vrp2_create + ns1_create + ns2_create + + r1_mac=$(in_ns ns1 mac_get w2) + r2_mac=$(in_ns ns2 mac_get w2) + h2_mac=$(mac_get $h2) +} + +cleanup() +{ + pre_cleanup + + ns2_destroy + ns1_destroy + vrp2_destroy + ip link del dev v3 + ip link del dev v1 + + switch_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +# For the first round of tests, vx10 and vx20 were the first devices to get +# attached to the bridge, and at that point the local IP is already +# configured. Try the other scenario of attaching these devices to a bridge +# that already has local ports members, and only then assign the local IP. +reapply_config() +{ + log_info "Reapplying configuration" + + bridge fdb del dev vx20 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx20 00:00:00:00:00:00 dst 2001:db8:4::1 self + + bridge fdb del dev vx10 00:00:00:00:00:00 dst 2001:db8:5::1 self + bridge fdb del dev vx10 00:00:00:00:00:00 dst 2001:db8:4::1 self + + ip link set dev vx20 nomaster + ip link set dev vx10 nomaster + + rp1_unset_addr + sleep 5 + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + bridge fdb append dev vx10 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx10 00:00:00:00:00:00 dst 2001:db8:5::1 self + + bridge fdb append dev vx20 00:00:00:00:00:00 dst 2001:db8:4::1 self + bridge fdb append dev vx20 00:00:00:00:00:00 dst 2001:db8:5::1 self + + rp1_set_addr + sleep 5 +} + +__ping_ipv4() +{ + local vxlan_local_ip=$1; shift + local vxlan_remote_ip=$1; shift + local src_ip=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local info=$1; shift + + RET=0 + + tc filter add dev $rp1 egress protocol ipv6 pref 1 handle 101 \ + flower ip_proto udp src_ip $vxlan_local_ip \ + dst_ip $vxlan_remote_ip dst_port $VXPORT $TC_FLAG action pass + # Match ICMP-reply packets after decapsulation, so source IP is + # destination IP of the ping and destination IP is source IP of the + # ping. + tc filter add dev $swp1 egress protocol 802.1q pref 1 handle 101 \ + flower vlan_ethtype ipv4 src_ip $dst_ip dst_ip $src_ip \ + $TC_FLAG action pass + + # Send 100 packets and verify that at least 100 packets hit the rule, + # to overcome ARP noise. + PING_COUNT=100 PING_TIMEOUT=11 ping_do $dev $dst_ip + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $rp1 egress" 101 10 100 + check_err $? "Encapsulated packets did not go through router" + + tc_check_at_least_x_packets "dev $swp1 egress" 101 10 100 + check_err $? "Decapsulated packets did not go through switch" + + log_test "ping: $info" + + tc filter del dev $swp1 egress + tc filter del dev $rp1 egress +} + +ping_ipv4() +{ + RET=0 + + local local_sw_ip=2001:db8:3::1 + local remote_ns1_ip=2001:db8:4::1 + local remote_ns2_ip=2001:db8:5::1 + local h1_10_ip=192.0.2.1 + local h1_20_ip=198.51.100.1 + local w2_10_ns1_ip=192.0.2.3 + local w2_10_ns2_ip=192.0.2.4 + local w2_20_ns1_ip=198.51.100.3 + local w2_20_ns2_ip=198.51.100.4 + + ping_test $h1.10 192.0.2.2 ": local->local vid 10" + ping_test $h1.20 198.51.100.2 ": local->local vid 20" + + __ping_ipv4 $local_sw_ip $remote_ns1_ip $h1_10_ip $w2_10_ns1_ip $h1.10 \ + "local->remote 1 vid 10" + __ping_ipv4 $local_sw_ip $remote_ns2_ip $h1_10_ip $w2_10_ns2_ip $h1.10 \ + "local->remote 2 vid 10" + __ping_ipv4 $local_sw_ip $remote_ns1_ip $h1_20_ip $w2_20_ns1_ip $h1.20 \ + "local->remote 1 vid 20" + __ping_ipv4 $local_sw_ip $remote_ns2_ip $h1_20_ip $w2_20_ns2_ip $h1.20 \ + "local->remote 2 vid 20" +} + +__ping_ipv6() +{ + local vxlan_local_ip=$1; shift + local vxlan_remote_ip=$1; shift + local src_ip=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local info=$1; shift + + RET=0 + + tc filter add dev $rp1 egress protocol ipv6 pref 1 handle 101 \ + flower ip_proto udp src_ip $vxlan_local_ip \ + dst_ip $vxlan_remote_ip dst_port $VXPORT $TC_FLAG action pass + # Match ICMP-reply packets after decapsulation, so source IP is + # destination IP of the ping and destination IP is source IP of the + # ping. + tc filter add dev $swp1 egress protocol 802.1q pref 1 handle 101 \ + flower vlan_ethtype ipv6 src_ip $dst_ip dst_ip $src_ip \ + $TC_FLAG action pass + + # Send 100 packets and verify that at least 100 packets hit the rule, + # to overcome neighbor discovery noise. + PING_COUNT=100 PING_TIMEOUT=11 ping6_do $dev $dst_ip + check_err $? "Ping failed" + + tc_check_at_least_x_packets "dev $rp1 egress" 101 100 + check_err $? "Encapsulated packets did not go through router" + + tc_check_at_least_x_packets "dev $swp1 egress" 101 100 + check_err $? "Decapsulated packets did not go through switch" + + log_test "ping6: $info" + + tc filter del dev $swp1 egress + tc filter del dev $rp1 egress +} + +ping_ipv6() +{ + RET=0 + + local local_sw_ip=2001:db8:3::1 + local remote_ns1_ip=2001:db8:4::1 + local remote_ns2_ip=2001:db8:5::1 + local h1_10_ip=2001:db8:1::1 + local h1_20_ip=2001:db8:2::1 + local w2_10_ns1_ip=2001:db8:1::3 + local w2_10_ns2_ip=2001:db8:1::4 + local w2_20_ns1_ip=2001:db8:2::3 + local w2_20_ns2_ip=2001:db8:2::4 + + ping6_test $h1.10 2001:db8:1::2 ": local->local vid 10" + ping6_test $h1.20 2001:db8:2::2 ": local->local vid 20" + + __ping_ipv6 $local_sw_ip $remote_ns1_ip $h1_10_ip $w2_10_ns1_ip $h1.10 \ + "local->remote 1 vid 10" + __ping_ipv6 $local_sw_ip $remote_ns2_ip $h1_10_ip $w2_10_ns2_ip $h1.10 \ + "local->remote 2 vid 10" + __ping_ipv6 $local_sw_ip $remote_ns1_ip $h1_20_ip $w2_20_ns1_ip $h1.20 \ + "local->remote 1 vid 20" + __ping_ipv6 $local_sw_ip $remote_ns2_ip $h1_20_ip $w2_20_ns2_ip $h1.20 \ + "local->remote 2 vid 20" +} + +maybe_in_ns() +{ + echo ${1:+in_ns} $1 +} + +__flood_counter_add_del() +{ + local add_del=$1; shift + local dst_ip=$1; shift + local dev=$1; shift + local ns=$1; shift + + # Putting the ICMP capture both to HW and to SW will end up + # double-counting the packets that are trapped to slow path, such as for + # the unicast test. Adding either skip_hw or skip_sw fixes this problem, + # but with skip_hw, the flooded packets are not counted at all, because + # those are dropped due to MAC address mismatch; and skip_sw is a no-go + # for veth-based topologies. + # + # So try to install with skip_sw and fall back to skip_sw if that fails. + + $(maybe_in_ns $ns) tc filter $add_del dev "$dev" ingress \ + proto ipv6 pref 100 flower dst_ip $dst_ip ip_proto \ + icmpv6 skip_sw action pass 2>/dev/null || \ + $(maybe_in_ns $ns) tc filter $add_del dev "$dev" ingress \ + proto ipv6 pref 100 flower dst_ip $dst_ip ip_proto \ + icmpv6 skip_hw action pass +} + +flood_counter_install() +{ + __flood_counter_add_del add "$@" +} + +flood_counter_uninstall() +{ + __flood_counter_add_del del "$@" +} + +flood_fetch_stat() +{ + local dev=$1; shift + local ns=$1; shift + + $(maybe_in_ns $ns) tc_rule_stats_get $dev 100 ingress +} + +flood_fetch_stats() +{ + local counters=("${@}") + local counter + + for counter in "${counters[@]}"; do + flood_fetch_stat $counter + done +} + +vxlan_flood_test() +{ + local mac=$1; shift + local dst=$1; shift + local vid=$1; shift + local -a expects=("${@}") + + local -a counters=($h2 "vx10 ns1" "vx20 ns1" "vx10 ns2" "vx20 ns2") + local counter + local key + + # Packets reach the local host tagged whereas they reach the VxLAN + # devices untagged. In order to be able to use the same filter for + # all counters, make sure the packets also reach the local host + # untagged + bridge vlan add vid $vid dev $swp2 untagged + for counter in "${counters[@]}"; do + flood_counter_install $dst $counter + done + + local -a t0s=($(flood_fetch_stats "${counters[@]}")) + $MZ -6 $h1 -Q $vid -c 10 -d 100msec -p 64 -b $mac -B $dst -t icmp6 type=128 -q + sleep 1 + local -a t1s=($(flood_fetch_stats "${counters[@]}")) + + for key in ${!t0s[@]}; do + local delta=$((t1s[$key] - t0s[$key])) + local expect=${expects[$key]} + + ((expect == delta)) + check_err $? "${counters[$key]}: Expected to capture $expect packets, got $delta." + done + + for counter in "${counters[@]}"; do + flood_counter_uninstall $dst $counter + done + bridge vlan add vid $vid dev $swp2 +} + +__test_flood() +{ + local mac=$1; shift + local dst=$1; shift + local vid=$1; shift + local what=$1; shift + local -a expects=("${@}") + + RET=0 + + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: $what" +} + +test_flood() +{ + __test_flood de:ad:be:ef:13:37 2001:db8:1::100 10 "flood vlan 10" \ + 10 10 0 10 0 + __test_flood ca:fe:be:ef:13:37 2001:db8:2::100 20 "flood vlan 20" \ + 10 0 10 0 10 +} + +vxlan_fdb_add_del() +{ + local add_del=$1; shift + local vid=$1; shift + local mac=$1; shift + local dev=$1; shift + local dst=$1; shift + + bridge fdb $add_del dev $dev $mac self static permanent \ + ${dst:+dst} $dst 2>/dev/null + bridge fdb $add_del dev $dev $mac master static vlan $vid 2>/dev/null +} + +__test_unicast() +{ + local mac=$1; shift + local dst=$1; shift + local hit_idx=$1; shift + local vid=$1; shift + local what=$1; shift + + RET=0 + + local -a expects=(0 0 0 0 0) + expects[$hit_idx]=10 + + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: $what" +} + +test_unicast() +{ + local -a targets=("$h2_mac $h2" + "$r1_mac vx10 2001:db8:4::1" + "$r2_mac vx10 2001:db8:5::1") + local target + + log_info "unicast vlan 10" + + for target in "${targets[@]}"; do + vxlan_fdb_add_del add 10 $target + done + + __test_unicast $h2_mac 2001:db8:1::2 0 10 "local MAC unicast" + __test_unicast $r1_mac 2001:db8:1::3 1 10 "remote MAC 1 unicast" + __test_unicast $r2_mac 2001:db8:1::4 3 10 "remote MAC 2 unicast" + + for target in "${targets[@]}"; do + vxlan_fdb_add_del del 10 $target + done + + log_info "unicast vlan 20" + + targets=("$h2_mac $h2" "$r1_mac vx20 2001:db8:4::1" \ + "$r2_mac vx20 2001:db8:5::1") + + for target in "${targets[@]}"; do + vxlan_fdb_add_del add 20 $target + done + + __test_unicast $h2_mac 2001:db8:2::2 0 20 "local MAC unicast" + __test_unicast $r1_mac 2001:db8:2::3 2 20 "remote MAC 1 unicast" + __test_unicast $r2_mac 2001:db8:2::4 4 20 "remote MAC 2 unicast" + + for target in "${targets[@]}"; do + vxlan_fdb_add_del del 20 $target + done +} + +test_pvid() +{ + local -a expects=(0 0 0 0 0) + local mac=de:ad:be:ef:13:37 + local dst=2001:db8:1::100 + local vid=10 + + # Check that flooding works + RET=0 + + expects[0]=10; expects[1]=10; expects[3]=10 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: flood before pvid off" + + # Toggle PVID off and test that flood to remote hosts does not work + RET=0 + + bridge vlan add vid 10 dev vx10 + + expects[0]=10; expects[1]=0; expects[3]=0 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: flood after pvid off" + + # Toggle PVID on and test that flood to remote hosts does work + RET=0 + + bridge vlan add vid 10 dev vx10 pvid untagged + + expects[0]=10; expects[1]=10; expects[3]=10 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: flood after pvid on" + + # Add a new VLAN and test that it does not affect flooding + RET=0 + + bridge vlan add vid 30 dev vx10 + + expects[0]=10; expects[1]=10; expects[3]=10 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + bridge vlan del vid 30 dev vx10 + + log_test "VXLAN: flood after vlan add" + + # Remove currently mapped VLAN and test that flood to remote hosts does + # not work + RET=0 + + bridge vlan del vid 10 dev vx10 + + expects[0]=10; expects[1]=0; expects[3]=0 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: flood after vlan delete" + + # Re-add the VLAN and test that flood to remote hosts does work + RET=0 + + bridge vlan add vid 10 dev vx10 pvid untagged + + expects[0]=10; expects[1]=10; expects[3]=10 + vxlan_flood_test $mac $dst $vid "${expects[@]}" + + log_test "VXLAN: flood after vlan re-add" +} + +test_all() +{ + log_info "Running tests with UDP port $VXPORT" + tests_run +} + +trap cleanup EXIT + +setup_prepare +setup_wait +test_all + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_port_8472_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_port_8472_ipv6.sh new file mode 100755 index 000000000000..344f43ccb755 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1q_port_8472_ipv6.sh @@ -0,0 +1,11 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# A wrapper to run VXLAN tests with an unusual port number. + +VXPORT=8472 +ALL_TESTS=" + ping_ipv4 + ping_ipv6 +" +source vxlan_bridge_1q_ipv6.sh diff --git a/tools/testing/selftests/net/forwarding/vxlan_symmetric_ipv6.sh b/tools/testing/selftests/net/forwarding/vxlan_symmetric_ipv6.sh new file mode 100755 index 000000000000..904633427fd0 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/vxlan_symmetric_ipv6.sh @@ -0,0 +1,563 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + + +# +--------------------------------+ +-----------------------------+ +# | vrf-h1 | | vrf-h2 | +# | + $h1 | | + $h2 | +# | | 2001:db8:1::1/64 | | | 2001:db8:2::1/64 | +# | | default via 2001:db8:1::3 | | | default via 2001:db8:2::3 | +# +----|---------------------------+ +-|---------------------------+ +# | | +# +----|------------------------------------------|---------------------------+ +# | SW | | | +# | +--|------------------------------------------|-------------------------+ | +# | | + $swp1 br1 + $swp2 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | | + vx10 + vx20 | | +# | | local 2001:db8:3::1 local 2001:db8:3::1 | | +# | | remote 2001:db8:3::2 remote 2001:db8:3::2 | | +# | | id 1010 id 1020 | | +# | | dstport 4789 dstport 4789 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | | + vx4001 | | +# | | local 2001:db8:3::1 | | +# | | remote 2001:db8:3::2 | | +# | | id 104001 | | +# | | dstport 4789 | | +# | | vid 4001 pvid untagged | | +# | | | | +# | +-----------------------------------+-----------------------------------+ | +# | | | +# | +-----------------------------------|-----------------------------------+ | +# | | | | | +# | | +--------------------------------+--------------------------------+ | | +# | | | | | | | +# | | + vlan10 | vlan20 + | | +# | | | 2001:db8:1::2/64 | 2001:db8:2::2/64 | | | +# | | | | | | | +# | | + vlan10-v (macvlan) + vlan20-v (macvlan) + | | +# | | 2001:db8:1::3/64 vlan4001 2001:db8:2::3/64 | | +# | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | +# | | vrf-green | | +# | +-----------------------------------------------------------------------+ | +# | | +# | + $rp1 +lo | +# | | 2001:db8:4::1/64 2001:db8:3::1 | +# +----|----------------------------------------------------------------------+ +# | +# +----|--------------------------------------------------------+ +# | | vrf-spine | +# | + $rp2 | +# | 2001:db8:4::2/64 | +# | | (maybe) HW +# ============================================================================= +# | | (likely) SW +# | | +# | + v1 (veth) | +# | | 2001:db8:5::2/64 | +# +----|--------------------------------------------------------+ +# | +# +----|----------------------------------------------------------------------+ +# | + v2 (veth) +lo NS1 (netns) | +# | 2001:db8:5::1/64 2001:db8:3::2/128 | +# | | +# | +-----------------------------------------------------------------------+ | +# | | vrf-green | | +# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | | +# | | | 2001:db8:1::3/64 2001:db8:2::3/64 | | | +# | | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | | +# | | | vlan4001 | | | +# | | + vlan10 + vlan20 + | | +# | | | 2001:db8:1::3/64 | 2001:db8:2::3/64 | | | +# | | | | | | | +# | | +--------------------------------+--------------------------------+ | | +# | | | | | +# | +-----------------------------------|-----------------------------------+ | +# | | | +# | +-----------------------------------+-----------------------------------+ | +# | | | | +# | | + vx10 + vx20 | | +# | | local 2001:db8:3::2 local 2001:db8:3::2 | | +# | | remote 2001:db8:3::1 remote 2001:db8:3::1 | | +# | | id 1010 id 1020 | | +# | | dstport 4789 dstport 4789 | | +# | | vid 10 pvid untagged vid 20 pvid untagged | | +# | | | | +# | | + vx4001 | | +# | | local 2001:db8:3::2 | | +# | | remote 2001:db8:3::1 | | +# | | id 104001 | | +# | | dstport 4789 | | +# | | vid 4001 pvid untagged | | +# | | | | +# | | + w1 (veth) + w3 (veth) | | +# | | | vid 10 pvid untagged br1 | vid 20 pvid untagged | | +# | +--|------------------------------------------|-------------------------+ | +# | | | | +# | | | | +# | +--|----------------------+ +--|-------------------------+ | +# | | | vrf-h1 | | | vrf-h2 | | +# | | + w2 (veth) | | + w4 (veth) | | +# | | 2001:db8:1::4/64 | | 2001:db8:2::4/64 | | +# | | default via | | default via | | +# | | 2001:db8:1::3/64 | | 2001:db8:2::3/64 | | +# | +-------------------------+ +----------------------------+ | +# +---------------------------------------------------------------------------+ + +ALL_TESTS=" + ping_ipv6 +" +NUM_NETIFS=6 +source lib.sh + +hx_create() +{ + local vrf_name=$1; shift + local if_name=$1; shift + local ip_addr=$1; shift + local gw_ip=$1; shift + + vrf_create $vrf_name + ip link set dev $if_name master $vrf_name + ip link set dev $vrf_name up + ip link set dev $if_name up + + ip address add $ip_addr/64 dev $if_name + ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \ + dev $if_name + ip route add default vrf $vrf_name nexthop via $gw_ip +} +export -f hx_create + +hx_destroy() +{ + local vrf_name=$1; shift + local if_name=$1; shift + local ip_addr=$1; shift + local gw_ip=$1; shift + + ip route del default vrf $vrf_name nexthop via $gw_ip + ip neigh del $gw_ip dev $if_name + ip address del $ip_addr/64 dev $if_name + + ip link set dev $if_name down + vrf_destroy $vrf_name +} + +h1_create() +{ + hx_create "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 +} + +h1_destroy() +{ + hx_destroy "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 +} + +h2_create() +{ + hx_create "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 +} + +h2_destroy() +{ + hx_destroy "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 +} + +switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ + mcast_snooping 0 + # Make sure the bridge uses the MAC address of the local port and not + # that of the VxLAN's device. + ip link set dev br1 address $(mac_get $swp1) + ip link set dev br1 up + + ip link set dev $rp1 up + ip address add dev $rp1 2001:db8:4::1/64 + ip route add 2001:db8:3::2/128 nexthop via 2001:db8:4::2 + + ip link add name vx10 type vxlan id 1010 \ + local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx10 up + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 1020 \ + local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx20 up + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + + ip link add name vx4001 type vxlan id 104001 \ + local 2001:db8:3::1 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx4001 up + + ip link set dev vx4001 master br1 + bridge vlan add vid 4001 dev vx4001 pvid untagged + + ip address add 2001:db8:3::1/128 dev lo + + # Create SVIs + vrf_create "vrf-green" + ip link set dev vrf-green up + + ip link add link br1 name vlan10 up master vrf-green type vlan id 10 + ip address add 2001:db8:1::2/64 dev vlan10 + ip link add link vlan10 name vlan10-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:1::3/64 dev vlan10-v + + ip link add link br1 name vlan20 up master vrf-green type vlan id 20 + ip address add 2001:db8:2::2/64 dev vlan20 + ip link add link vlan20 name vlan20-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:2::3/64 dev vlan20-v + + ip link add link br1 name vlan4001 up master vrf-green \ + type vlan id 4001 + + bridge vlan add vid 10 dev br1 self + bridge vlan add vid 20 dev br1 self + bridge vlan add vid 4001 dev br1 self + + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 + + bridge vlan add vid 10 dev $swp1 pvid untagged + bridge vlan add vid 20 dev $swp2 pvid untagged +} + +switch_destroy() +{ + bridge vlan del vid 20 dev br1 self + bridge vlan del vid 10 dev br1 self + + bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20 + bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10 + + bridge vlan del vid 4001 dev br1 self + ip link del dev vlan4001 + + ip link del dev vlan20 + + ip link del dev vlan10 + + vrf_destroy "vrf-green" + + ip address del 2001:db8:3::1/128 dev lo + + bridge vlan del vid 20 dev $swp2 + ip link set dev $swp2 down + ip link set dev $swp2 nomaster + + bridge vlan del vid 10 dev $swp1 + ip link set dev $swp1 down + ip link set dev $swp1 nomaster + + bridge vlan del vid 4001 dev vx4001 + ip link set dev vx4001 nomaster + + ip link set dev vx4001 down + ip link del dev vx4001 + + bridge vlan del vid 20 dev vx20 + ip link set dev vx20 nomaster + + ip link set dev vx20 down + ip link del dev vx20 + + bridge vlan del vid 10 dev vx10 + ip link set dev vx10 nomaster + + ip link set dev vx10 down + ip link del dev vx10 + + ip route del 2001:db8:3::2 nexthop via 2001:db8:4::2 + ip address del dev $rp1 2001:db8:4::1/64 + ip link set dev $rp1 down + + ip link set dev br1 down + ip link del dev br1 +} + +spine_create() +{ + vrf_create "vrf-spine" + ip link set dev $rp2 master vrf-spine + ip link set dev v1 master vrf-spine + ip link set dev vrf-spine up + ip link set dev $rp2 up + ip link set dev v1 up + + ip address add 2001:db8:4::2/64 dev $rp2 + ip address add 2001:db8:5::2/64 dev v1 + + ip route add 2001:db8:3::1/128 vrf vrf-spine nexthop via \ + 2001:db8:4::1 + ip route add 2001:db8:3::2/128 vrf vrf-spine nexthop via \ + 2001:db8:5::1 +} + +spine_destroy() +{ + ip route del 2001:db8:3::2/128 vrf vrf-spine nexthop via \ + 2001:db8:5::1 + ip route del 2001:db8:3::1/128 vrf vrf-spine nexthop via \ + 2001:db8:4::1 + + ip address del 2001:db8:5::2/64 dev v1 + ip address del 2001:db8:4::2/64 dev $rp2 + + ip link set dev v1 down + ip link set dev $rp2 down + vrf_destroy "vrf-spine" +} + +ns_h1_create() +{ + hx_create "vrf-h1" w2 2001:db8:1::4 2001:db8:1::3 +} +export -f ns_h1_create + +ns_h2_create() +{ + hx_create "vrf-h2" w4 2001:db8:2::4 2001:db8:2::3 +} +export -f ns_h2_create + +ns_switch_create() +{ + ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ + mcast_snooping 0 + ip link set dev br1 up + + ip link set dev v2 up + ip address add dev v2 2001:db8:5::1/64 + ip route add 2001:db8:3::1 nexthop via 2001:db8:5::2 + + ip link add name vx10 type vxlan id 1010 \ + local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx10 up + + ip link set dev vx10 master br1 + bridge vlan add vid 10 dev vx10 pvid untagged + + ip link add name vx20 type vxlan id 1020 \ + local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx20 up + + ip link set dev vx20 master br1 + bridge vlan add vid 20 dev vx20 pvid untagged + + ip link add name vx4001 type vxlan id 104001 \ + local 2001:db8:3::2 dstport 4789 \ + nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 + ip link set dev vx4001 up + + ip link set dev vx4001 master br1 + bridge vlan add vid 4001 dev vx4001 pvid untagged + + ip link set dev w1 master br1 + ip link set dev w1 up + bridge vlan add vid 10 dev w1 pvid untagged + + ip link set dev w3 master br1 + ip link set dev w3 up + bridge vlan add vid 20 dev w3 pvid untagged + + ip address add 2001:db8:3::2/128 dev lo + + # Create SVIs + vrf_create "vrf-green" + ip link set dev vrf-green up + + ip link add link br1 name vlan10 up master vrf-green type vlan id 10 + ip address add 2001:db8:1::3/64 dev vlan10 + ip link add link vlan10 name vlan10-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:1::3/64 dev vlan10-v + + ip link add link br1 name vlan20 up master vrf-green type vlan id 20 + ip address add 2001:db8:2::3/64 dev vlan20 + ip link add link vlan20 name vlan20-v up master vrf-green \ + address 00:00:5e:00:01:01 type macvlan mode private + ip address add 2001:db8:2::3/64 dev vlan20-v + + ip link add link br1 name vlan4001 up master vrf-green \ + type vlan id 4001 + + bridge vlan add vid 10 dev br1 self + bridge vlan add vid 20 dev br1 self + bridge vlan add vid 4001 dev br1 self + + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 + bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 +} +export -f ns_switch_create + +ns_init() +{ + ip link add name w1 type veth peer name w2 + ip link add name w3 type veth peer name w4 + + ip link set dev lo up + + ns_h1_create + ns_h2_create + ns_switch_create +} +export -f ns_init + +ns1_create() +{ + ip netns add ns1 + ip link set dev v2 netns ns1 + in_ns ns1 ns_init +} + +ns1_destroy() +{ + ip netns exec ns1 ip link set dev v2 netns 1 + ip netns del ns1 +} + +__l2_vni_init() +{ + local mac1=$1; shift + local mac2=$1; shift + local ip1=$1; shift + local ip2=$1; shift + local dst=$1; shift + + bridge fdb add $mac1 dev vx10 self master extern_learn static \ + dst $dst vlan 10 + bridge fdb add $mac2 dev vx20 self master extern_learn static \ + dst $dst vlan 20 + + ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \ + extern_learn + ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \ + extern_learn +} +export -f __l2_vni_init + +l2_vni_init() +{ + local h1_ns_mac=$(in_ns ns1 mac_get w2) + local h2_ns_mac=$(in_ns ns1 mac_get w4) + local h1_mac=$(mac_get $h1) + local h2_mac=$(mac_get $h2) + + __l2_vni_init $h1_ns_mac $h2_ns_mac 2001:db8:1::4 2001:db8:2::4 \ + 2001:db8:3::2 + in_ns ns1 __l2_vni_init $h1_mac $h2_mac 2001:db8:1::1 2001:db8:2::1 \ + 2001:db8:3::1 +} + +__l3_vni_init() +{ + local mac=$1; shift + local vtep_ip=$1; shift + local host1_ip=$1; shift + local host2_ip=$1; shift + + bridge fdb add $mac dev vx4001 self master extern_learn static \ + dst $vtep_ip vlan 4001 + + ip neigh add $vtep_ip lladdr $mac nud noarp dev vlan4001 extern_learn + + ip route add $host1_ip/128 vrf vrf-green nexthop via $vtep_ip \ + dev vlan4001 onlink + ip route add $host2_ip/128 vrf vrf-green nexthop via $vtep_ip \ + dev vlan4001 onlink +} +export -f __l3_vni_init + +l3_vni_init() +{ + local vlan4001_ns_mac=$(in_ns ns1 mac_get vlan4001) + local vlan4001_mac=$(mac_get vlan4001) + + __l3_vni_init $vlan4001_ns_mac 2001:db8:3::2 2001:db8:1::4 \ + 2001:db8:2::4 + in_ns ns1 __l3_vni_init $vlan4001_mac 2001:db8:3::1 2001:db8:1::1 \ + 2001:db8:2::1 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1=${NETIFS[p5]} + rp2=${NETIFS[p6]} + + vrf_prepare + forwarding_enable + + h1_create + h2_create + switch_create + + ip link add name v1 type veth peer name v2 + spine_create + ns1_create + in_ns ns1 forwarding_enable + + l2_vni_init + l3_vni_init +} + +cleanup() +{ + pre_cleanup + + ns1_destroy + spine_destroy + ip link del dev v1 + + switch_destroy + h2_destroy + h1_destroy + + forwarding_restore + vrf_cleanup +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:2::1 ": local->local vid 10->vid 20" + ping6_test $h1 2001:db8:1::4 ": local->remote vid 10->vid 10" + ping6_test $h2 2001:db8:2::4 ": local->remote vid 20->vid 20" + ping6_test $h1 2001:db8:2::4 ": local->remote vid 10->vid 20" + ping6_test $h2 2001:db8:1::4 ": local->remote vid 20->vid 10" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/gro.c b/tools/testing/selftests/net/gro.c index 221525ccbe1d..30024d0ed373 100644 --- a/tools/testing/selftests/net/gro.c +++ b/tools/testing/selftests/net/gro.c @@ -65,10 +65,6 @@ #define NUM_PACKETS 4 #define START_SEQ 100 #define START_ACK 100 -#define SIP6 "fdaa::2" -#define DIP6 "fdaa::1" -#define SIP4 "192.168.1.200" -#define DIP4 "192.168.1.100" #define ETH_P_NONE 0 #define TOTAL_HDR_LEN (ETH_HLEN + sizeof(struct ipv6hdr) + sizeof(struct tcphdr)) #define MSS (4096 - sizeof(struct tcphdr) - sizeof(struct ipv6hdr)) @@ -76,6 +72,10 @@ #define NUM_LARGE_PKT (MAX_PAYLOAD / MSS) #define MAX_HDR_LEN (ETH_HLEN + sizeof(struct ipv6hdr) + sizeof(struct tcphdr)) +static const char *addr6_src = "fdaa::2"; +static const char *addr6_dst = "fdaa::1"; +static const char *addr4_src = "192.168.1.200"; +static const char *addr4_dst = "192.168.1.100"; static int proto = -1; static uint8_t src_mac[ETH_ALEN], dst_mac[ETH_ALEN]; static char *testname = "data"; @@ -179,18 +179,18 @@ static uint16_t tcp_checksum(void *buf, int payload_len) uint32_t sum = 0; if (proto == PF_INET6) { - if (inet_pton(AF_INET6, SIP6, &ph6.saddr) != 1) + if (inet_pton(AF_INET6, addr6_src, &ph6.saddr) != 1) error(1, errno, "inet_pton6 source ip pseudo"); - if (inet_pton(AF_INET6, DIP6, &ph6.daddr) != 1) + if (inet_pton(AF_INET6, addr6_dst, &ph6.daddr) != 1) error(1, errno, "inet_pton6 dest ip pseudo"); ph6.protocol = htons(IPPROTO_TCP); ph6.payload_len = htons(sizeof(struct tcphdr) + payload_len); sum = checksum_nofold(&ph6, sizeof(ph6), 0); } else if (proto == PF_INET) { - if (inet_pton(AF_INET, SIP4, &ph4.saddr) != 1) + if (inet_pton(AF_INET, addr4_src, &ph4.saddr) != 1) error(1, errno, "inet_pton source ip pseudo"); - if (inet_pton(AF_INET, DIP4, &ph4.daddr) != 1) + if (inet_pton(AF_INET, addr4_dst, &ph4.daddr) != 1) error(1, errno, "inet_pton dest ip pseudo"); ph4.protocol = htons(IPPROTO_TCP); ph4.payload_len = htons(sizeof(struct tcphdr) + payload_len); @@ -230,9 +230,9 @@ static void fill_networklayer(void *buf, int payload_len) ip6h->payload_len = htons(sizeof(struct tcphdr) + payload_len); ip6h->nexthdr = IPPROTO_TCP; ip6h->hop_limit = 8; - if (inet_pton(AF_INET6, SIP6, &ip6h->saddr) != 1) + if (inet_pton(AF_INET6, addr6_src, &ip6h->saddr) != 1) error(1, errno, "inet_pton source ip6"); - if (inet_pton(AF_INET6, DIP6, &ip6h->daddr) != 1) + if (inet_pton(AF_INET6, addr6_dst, &ip6h->daddr) != 1) error(1, errno, "inet_pton dest ip6"); } else if (proto == PF_INET) { memset(iph, 0, sizeof(*iph)); @@ -244,9 +244,9 @@ static void fill_networklayer(void *buf, int payload_len) iph->tot_len = htons(sizeof(struct tcphdr) + payload_len + sizeof(struct iphdr)); iph->frag_off = htons(0x4000); /* DF = 1, MF = 0 */ - if (inet_pton(AF_INET, SIP4, &iph->saddr) != 1) + if (inet_pton(AF_INET, addr4_src, &iph->saddr) != 1) error(1, errno, "inet_pton source ip"); - if (inet_pton(AF_INET, DIP4, &iph->daddr) != 1) + if (inet_pton(AF_INET, addr4_dst, &iph->daddr) != 1) error(1, errno, "inet_pton dest ip"); iph->check = checksum_fold(buf, sizeof(struct iphdr), 0); } @@ -732,7 +732,7 @@ static void set_timeout(int fd) { struct timeval timeout; - timeout.tv_sec = 120; + timeout.tv_sec = 3; timeout.tv_usec = 0; if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)) < 0) @@ -1024,11 +1024,13 @@ static void gro_receiver(void) static void parse_args(int argc, char **argv) { static const struct option opts[] = { + { "daddr", required_argument, NULL, 'd' }, { "dmac", required_argument, NULL, 'D' }, { "iface", required_argument, NULL, 'i' }, { "ipv4", no_argument, NULL, '4' }, { "ipv6", no_argument, NULL, '6' }, { "rx", no_argument, NULL, 'r' }, + { "saddr", required_argument, NULL, 's' }, { "smac", required_argument, NULL, 'S' }, { "test", required_argument, NULL, 't' }, { "verbose", no_argument, NULL, 'v' }, @@ -1036,7 +1038,7 @@ static void parse_args(int argc, char **argv) }; int c; - while ((c = getopt_long(argc, argv, "46D:i:rS:t:v", opts, NULL)) != -1) { + while ((c = getopt_long(argc, argv, "46d:D:i:rs:S:t:v", opts, NULL)) != -1) { switch (c) { case '4': proto = PF_INET; @@ -1046,6 +1048,9 @@ static void parse_args(int argc, char **argv) proto = PF_INET6; ethhdr_proto = htons(ETH_P_IPV6); break; + case 'd': + addr4_dst = addr6_dst = optarg; + break; case 'D': dmac = optarg; break; @@ -1055,6 +1060,9 @@ static void parse_args(int argc, char **argv) case 'r': tx_socket = false; break; + case 's': + addr4_src = addr6_src = optarg; + break; case 'S': smac = optarg; break; @@ -1092,5 +1100,7 @@ int main(int argc, char **argv) gro_sender(); else gro_receiver(); + + fprintf(stderr, "Gro::%s test passed.\n", testname); return 0; } diff --git a/tools/testing/selftests/net/mptcp/.gitignore b/tools/testing/selftests/net/mptcp/.gitignore index 7569d892967a..49daae73c41e 100644 --- a/tools/testing/selftests/net/mptcp/.gitignore +++ b/tools/testing/selftests/net/mptcp/.gitignore @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only mptcp_connect +mptcp_inq mptcp_sockopt pm_nl_ctl *.pcap diff --git a/tools/testing/selftests/net/mptcp/Makefile b/tools/testing/selftests/net/mptcp/Makefile index bbf4e448bad9..0356c4501c99 100644 --- a/tools/testing/selftests/net/mptcp/Makefile +++ b/tools/testing/selftests/net/mptcp/Makefile @@ -8,7 +8,7 @@ CFLAGS = -Wall -Wl,--no-as-needed -O2 -g -I$(top_srcdir)/usr/include TEST_PROGS := mptcp_connect.sh pm_netlink.sh mptcp_join.sh diag.sh \ simult_flows.sh mptcp_sockopt.sh -TEST_GEN_FILES = mptcp_connect pm_nl_ctl mptcp_sockopt +TEST_GEN_FILES = mptcp_connect pm_nl_ctl mptcp_sockopt mptcp_inq TEST_FILES := settings diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config index 2b82628decb1..d36b7da5082a 100644 --- a/tools/testing/selftests/net/mptcp/config +++ b/tools/testing/selftests/net/mptcp/config @@ -12,5 +12,10 @@ CONFIG_NF_TABLES=m CONFIG_NFT_COMPAT=m CONFIG_NETFILTER_XTABLES=m CONFIG_NETFILTER_XT_MATCH_BPF=m -CONFIG_NF_TABLES_IPV4=y -CONFIG_NF_TABLES_IPV6=y +CONFIG_NF_TABLES_INET=y +CONFIG_NFT_TPROXY=m +CONFIG_NFT_SOCKET=m +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IPV6_MULTIPLE_TABLES=y diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c index 95e81d557b08..8628aa61b763 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.c +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c @@ -16,6 +16,7 @@ #include <unistd.h> #include <time.h> +#include <sys/ioctl.h> #include <sys/poll.h> #include <sys/sendfile.h> #include <sys/stat.h> @@ -28,6 +29,7 @@ #include <linux/tcp.h> #include <linux/time_types.h> +#include <linux/sockios.h> extern int optind; @@ -59,7 +61,6 @@ static enum cfg_peek cfg_peek = CFG_NONE_PEEK; static const char *cfg_host; static const char *cfg_port = "12000"; static int cfg_sock_proto = IPPROTO_MPTCP; -static bool tcpulp_audit; static int pf = AF_INET; static int cfg_sndbuf; static int cfg_rcvbuf; @@ -69,32 +70,56 @@ static unsigned int cfg_time; static unsigned int cfg_do_w; static int cfg_wait; static uint32_t cfg_mark; +static char *cfg_input; +static int cfg_repeat = 1; struct cfg_cmsg_types { unsigned int cmsg_enabled:1; unsigned int timestampns:1; + unsigned int tcp_inq:1; }; +struct cfg_sockopt_types { + unsigned int transparent:1; +}; + +struct tcp_inq_state { + unsigned int last; + bool expect_eof; +}; + +static struct tcp_inq_state tcp_inq; + static struct cfg_cmsg_types cfg_cmsg_types; +static struct cfg_sockopt_types cfg_sockopt_types; static void die_usage(void) { - fprintf(stderr, "Usage: mptcp_connect [-6] [-u] [-s MPTCP|TCP] [-p port] [-m mode]" - "[-l] [-w sec] [-t num] [-T num] connect_address\n"); + fprintf(stderr, "Usage: mptcp_connect [-6] [-c cmsg] [-i file] [-I num] [-j] [-l] " + "[-m mode] [-M mark] [-o option] [-p port] [-P mode] [-j] [-l] [-r num] " + "[-s MPTCP|TCP] [-S num] [-r num] [-t num] [-T num] [-u] [-w sec] connect_address\n"); fprintf(stderr, "\t-6 use ipv6\n"); + fprintf(stderr, "\t-c cmsg -- test cmsg type <cmsg>\n"); + fprintf(stderr, "\t-i file -- read the data to send from the given file instead of stdin"); + fprintf(stderr, "\t-I num -- repeat the transfer 'num' times. In listen mode accepts num " + "incoming connections, in client mode, disconnect and reconnect to the server\n"); + fprintf(stderr, "\t-j -- add additional sleep at connection start and tear down " + "-- for MPJ tests\n"); + fprintf(stderr, "\t-l -- listens mode, accepts incoming connection\n"); + fprintf(stderr, "\t-m [poll|mmap|sendfile] -- use poll(default)/mmap+write/sendfile\n"); + fprintf(stderr, "\t-M mark -- set socket packet mark\n"); + fprintf(stderr, "\t-o option -- test sockopt <option>\n"); + fprintf(stderr, "\t-p num -- use port num\n"); + fprintf(stderr, + "\t-P [saveWithPeek|saveAfterPeek] -- save data with/after MSG_PEEK form tcp socket\n"); fprintf(stderr, "\t-t num -- set poll timeout to num\n"); fprintf(stderr, "\t-T num -- set expected runtime to num ms\n"); - fprintf(stderr, "\t-S num -- set SO_SNDBUF to num\n"); + fprintf(stderr, "\t-r num -- enable slow mode, limiting each write to num bytes " + "-- for remove addr tests\n"); fprintf(stderr, "\t-R num -- set SO_RCVBUF to num\n"); - fprintf(stderr, "\t-p num -- use port num\n"); fprintf(stderr, "\t-s [MPTCP|TCP] -- use mptcp(default) or tcp sockets\n"); - fprintf(stderr, "\t-m [poll|mmap|sendfile] -- use poll(default)/mmap+write/sendfile\n"); - fprintf(stderr, "\t-M mark -- set socket packet mark\n"); - fprintf(stderr, "\t-u -- check mptcp ulp\n"); + fprintf(stderr, "\t-S num -- set SO_SNDBUF to num\n"); fprintf(stderr, "\t-w num -- wait num sec before closing the socket\n"); - fprintf(stderr, "\t-c cmsg -- test cmsg type <cmsg>\n"); - fprintf(stderr, - "\t-P [saveWithPeek|saveAfterPeek] -- save data with/after MSG_PEEK form tcp socket\n"); exit(1); } @@ -185,6 +210,58 @@ static void set_mark(int fd, uint32_t mark) } } +static void set_transparent(int fd, int pf) +{ + int one = 1; + + switch (pf) { + case AF_INET: + if (-1 == setsockopt(fd, SOL_IP, IP_TRANSPARENT, &one, sizeof(one))) + perror("IP_TRANSPARENT"); + break; + case AF_INET6: + if (-1 == setsockopt(fd, IPPROTO_IPV6, IPV6_TRANSPARENT, &one, sizeof(one))) + perror("IPV6_TRANSPARENT"); + break; + } +} + +static int do_ulp_so(int sock, const char *name) +{ + return setsockopt(sock, IPPROTO_TCP, TCP_ULP, name, strlen(name)); +} + +#define X(m) xerror("%s:%u: %s: failed for proto %d at line %u", __FILE__, __LINE__, (m), proto, line) +static void sock_test_tcpulp(int sock, int proto, unsigned int line) +{ + socklen_t buflen = 8; + char buf[8] = ""; + int ret = getsockopt(sock, IPPROTO_TCP, TCP_ULP, buf, &buflen); + + if (ret != 0) + X("getsockopt"); + + if (buflen > 0) { + if (strcmp(buf, "mptcp") != 0) + xerror("unexpected ULP '%s' for proto %d at line %u", buf, proto, line); + ret = do_ulp_so(sock, "tls"); + if (ret == 0) + X("setsockopt"); + } else if (proto == IPPROTO_MPTCP) { + ret = do_ulp_so(sock, "tls"); + if (ret != -1) + X("setsockopt"); + } + + ret = do_ulp_so(sock, "mptcp"); + if (ret != -1) + X("setsockopt"); + +#undef X +} + +#define SOCK_TEST_TCPULP(s, p) sock_test_tcpulp((s), (p), __LINE__) + static int sock_listen_mptcp(const char * const listenaddr, const char * const port) { @@ -208,10 +285,15 @@ static int sock_listen_mptcp(const char * const listenaddr, if (sock < 0) continue; + SOCK_TEST_TCPULP(sock, cfg_sock_proto); + if (-1 == setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one))) perror("setsockopt"); + if (cfg_sockopt_types.transparent) + set_transparent(sock, pf); + if (bind(sock, a->ai_addr, a->ai_addrlen) == 0) break; /* success */ @@ -227,54 +309,22 @@ static int sock_listen_mptcp(const char * const listenaddr, return sock; } + SOCK_TEST_TCPULP(sock, cfg_sock_proto); + if (listen(sock, 20)) { perror("listen"); close(sock); return -1; } - return sock; -} + SOCK_TEST_TCPULP(sock, cfg_sock_proto); -static bool sock_test_tcpulp(const char * const remoteaddr, - const char * const port) -{ - struct addrinfo hints = { - .ai_protocol = IPPROTO_TCP, - .ai_socktype = SOCK_STREAM, - }; - struct addrinfo *a, *addr; - int sock = -1, ret = 0; - bool test_pass = false; - - hints.ai_family = AF_INET; - - xgetaddrinfo(remoteaddr, port, &hints, &addr); - for (a = addr; a; a = a->ai_next) { - sock = socket(a->ai_family, a->ai_socktype, IPPROTO_TCP); - if (sock < 0) { - perror("socket"); - continue; - } - ret = setsockopt(sock, IPPROTO_TCP, TCP_ULP, "mptcp", - sizeof("mptcp")); - if (ret == -1 && errno == EOPNOTSUPP) - test_pass = true; - close(sock); - - if (test_pass) - break; - if (!ret) - fprintf(stderr, - "setsockopt(TCP_ULP) returned 0\n"); - else - perror("setsockopt(TCP_ULP)"); - } - return test_pass; + return sock; } static int sock_connect_mptcp(const char * const remoteaddr, - const char * const port, int proto) + const char * const port, int proto, + struct addrinfo **peer) { struct addrinfo hints = { .ai_protocol = IPPROTO_TCP, @@ -293,11 +343,15 @@ static int sock_connect_mptcp(const char * const remoteaddr, continue; } + SOCK_TEST_TCPULP(sock, proto); + if (cfg_mark) set_mark(sock, cfg_mark); - if (connect(sock, a->ai_addr, a->ai_addrlen) == 0) + if (connect(sock, a->ai_addr, a->ai_addrlen) == 0) { + *peer = a; break; /* success */ + } perror("connect()"); close(sock); @@ -305,6 +359,8 @@ static int sock_connect_mptcp(const char * const remoteaddr, } freeaddrinfo(addr); + if (sock != -1) + SOCK_TEST_TCPULP(sock, proto); return sock; } @@ -364,7 +420,9 @@ static size_t do_write(const int fd, char *buf, const size_t len) static void process_cmsg(struct msghdr *msgh) { struct __kernel_timespec ts; + bool inq_found = false; bool ts_found = false; + unsigned int inq = 0; struct cmsghdr *cmsg; for (cmsg = CMSG_FIRSTHDR(msgh); cmsg ; cmsg = CMSG_NXTHDR(msgh, cmsg)) { @@ -373,12 +431,27 @@ static void process_cmsg(struct msghdr *msgh) ts_found = true; continue; } + if (cmsg->cmsg_level == IPPROTO_TCP && cmsg->cmsg_type == TCP_CM_INQ) { + memcpy(&inq, CMSG_DATA(cmsg), sizeof(inq)); + inq_found = true; + continue; + } + } if (cfg_cmsg_types.timestampns) { if (!ts_found) xerror("TIMESTAMPNS not present\n"); } + + if (cfg_cmsg_types.tcp_inq) { + if (!inq_found) + xerror("TCP_INQ not present\n"); + + if (inq > 1024) + xerror("tcp_inq %u is larger than one kbyte\n", inq); + tcp_inq.last = inq; + } } static ssize_t do_recvmsg_cmsg(const int fd, char *buf, const size_t len) @@ -395,10 +468,23 @@ static ssize_t do_recvmsg_cmsg(const int fd, char *buf, const size_t len) .msg_controllen = sizeof(msg_buf), }; int flags = 0; + unsigned int last_hint = tcp_inq.last; int ret = recvmsg(fd, &msg, flags); - if (ret <= 0) + if (ret <= 0) { + if (ret == 0 && tcp_inq.expect_eof) + return ret; + + if (ret == 0 && cfg_cmsg_types.tcp_inq) + if (last_hint != 1 && last_hint != 0) + xerror("EOF but last tcp_inq hint was %u\n", last_hint); + return ret; + } + + if (tcp_inq.expect_eof) + xerror("expected EOF, last_hint %u, now %u\n", + last_hint, tcp_inq.last); if (msg.msg_controllen && !cfg_cmsg_types.cmsg_enabled) xerror("got %lu bytes of cmsg data, expected 0\n", @@ -410,6 +496,19 @@ static ssize_t do_recvmsg_cmsg(const int fd, char *buf, const size_t len) if (msg.msg_controllen) process_cmsg(&msg); + if (cfg_cmsg_types.tcp_inq) { + if ((size_t)ret < len && last_hint > (unsigned int)ret) { + if (ret + 1 != (int)last_hint) { + int next = read(fd, msg_buf, sizeof(msg_buf)); + + xerror("read %u of %u, last_hint was %u tcp_inq hint now %u next_read returned %d/%m\n", + ret, (unsigned int)len, last_hint, tcp_inq.last, next); + } else { + tcp_inq.expect_eof = true; + } + } + } + return ret; } @@ -441,14 +540,17 @@ static ssize_t do_rnd_read(const int fd, char *buf, const size_t len) return ret; } -static void set_nonblock(int fd) +static void set_nonblock(int fd, bool nonblock) { int flags = fcntl(fd, F_GETFL); if (flags == -1) return; - fcntl(fd, F_SETFL, flags | O_NONBLOCK); + if (nonblock) + fcntl(fd, F_SETFL, flags | O_NONBLOCK); + else + fcntl(fd, F_SETFL, flags & ~O_NONBLOCK); } static int copyfd_io_poll(int infd, int peerfd, int outfd, bool *in_closed_after_out) @@ -460,7 +562,7 @@ static int copyfd_io_poll(int infd, int peerfd, int outfd, bool *in_closed_after unsigned int woff = 0, wlen = 0; char wbuf[8192]; - set_nonblock(peerfd); + set_nonblock(peerfd, true); for (;;) { char rbuf[8192]; @@ -555,7 +657,6 @@ static int copyfd_io_poll(int infd, int peerfd, int outfd, bool *in_closed_after if (cfg_remove) usleep(cfg_wait); - close(peerfd); return 0; } @@ -697,7 +798,7 @@ static int copyfd_io_sendfile(int infd, int peerfd, int outfd, return err; } -static int copyfd_io(int infd, int peerfd, int outfd) +static int copyfd_io(int infd, int peerfd, int outfd, bool close_peerfd) { bool in_closed_after_out = false; struct timespec start, end; @@ -736,6 +837,9 @@ static int copyfd_io(int infd, int peerfd, int outfd) if (ret) return ret; + if (close_peerfd) + close(peerfd); + if (cfg_time) { unsigned int delta_ms; @@ -847,7 +951,7 @@ static void maybe_close(int fd) { unsigned int r = rand(); - if (!(cfg_join || cfg_remove) && (r & 1)) + if (!(cfg_join || cfg_remove || cfg_repeat > 1) && (r & 1)) close(fd); } @@ -857,7 +961,9 @@ int main_loop_s(int listensock) struct pollfd polls; socklen_t salen; int remotesock; + int fd = 0; +again: polls.fd = listensock; polls.events = POLLIN; @@ -878,12 +984,27 @@ int main_loop_s(int listensock) check_sockaddr(pf, &ss, salen); check_getpeername(remotesock, &ss, salen); - return copyfd_io(0, remotesock, 1); + if (cfg_input) { + fd = open(cfg_input, O_RDONLY); + if (fd < 0) + xerror("can't open %s: %d", cfg_input, errno); + } + + SOCK_TEST_TCPULP(remotesock, 0); + + copyfd_io(fd, remotesock, 1, true); + } else { + perror("accept"); + return 1; } - perror("accept"); + if (--cfg_repeat > 0) { + if (cfg_input) + close(fd); + goto again; + } - return 1; + return 0; } static void init_rng(void) @@ -919,6 +1040,8 @@ static void apply_cmsg_types(int fd, const struct cfg_cmsg_types *cmsg) if (cmsg->timestampns) xsetsockopt(fd, SOL_SOCKET, SO_TIMESTAMPNS_NEW, &on, sizeof(on)); + if (cmsg->tcp_inq) + xsetsockopt(fd, IPPROTO_TCP, TCP_INQ, &on, sizeof(on)); } static void parse_cmsg_types(const char *type) @@ -940,21 +1063,81 @@ static void parse_cmsg_types(const char *type) return; } + if (strncmp(type, "TCPINQ", len) == 0) { + cfg_cmsg_types.tcp_inq = 1; + return; + } + fprintf(stderr, "Unrecognized cmsg option %s\n", type); exit(1); } +static void parse_setsock_options(const char *name) +{ + char *next = strchr(name, ','); + unsigned int len = 0; + + if (next) { + parse_setsock_options(next + 1); + len = next - name; + } else { + len = strlen(name); + } + + if (strncmp(name, "TRANSPARENT", len) == 0) { + cfg_sockopt_types.transparent = 1; + return; + } + + fprintf(stderr, "Unrecognized setsockopt option %s\n", name); + exit(1); +} + +void xdisconnect(int fd, int addrlen) +{ + struct sockaddr_storage empty; + int msec_sleep = 10; + int queued = 1; + int i; + + shutdown(fd, SHUT_WR); + + /* while until the pending data is completely flushed, the later + * disconnect will bypass/ignore/drop any pending data. + */ + for (i = 0; ; i += msec_sleep) { + if (ioctl(fd, SIOCOUTQ, &queued) < 0) + xerror("can't query out socket queue: %d", errno); + + if (!queued) + break; + + if (i > poll_timeout) + xerror("timeout while waiting for spool to complete"); + usleep(msec_sleep * 1000); + } + + memset(&empty, 0, sizeof(empty)); + empty.ss_family = AF_UNSPEC; + if (connect(fd, (struct sockaddr *)&empty, addrlen) < 0) + xerror("can't disconnect: %d", errno); +} + int main_loop(void) { - int fd; + int fd, ret, fd_in = 0; + struct addrinfo *peer; /* listener is ready. */ - fd = sock_connect_mptcp(cfg_host, cfg_port, cfg_sock_proto); + fd = sock_connect_mptcp(cfg_host, cfg_port, cfg_sock_proto, &peer); if (fd < 0) return 2; +again: check_getpeername_connect(fd); + SOCK_TEST_TCPULP(fd, cfg_sock_proto); + if (cfg_rcvbuf) set_rcvbuf(fd, cfg_rcvbuf); if (cfg_sndbuf) @@ -962,7 +1145,31 @@ int main_loop(void) if (cfg_cmsg_types.cmsg_enabled) apply_cmsg_types(fd, &cfg_cmsg_types); - return copyfd_io(0, fd, 1); + if (cfg_input) { + fd_in = open(cfg_input, O_RDONLY); + if (fd < 0) + xerror("can't open %s:%d", cfg_input, errno); + } + + /* close the client socket open only if we are not going to reconnect */ + ret = copyfd_io(fd_in, fd, 1, cfg_repeat == 1); + if (ret) + return ret; + + if (--cfg_repeat > 0) { + xdisconnect(fd, peer->ai_addrlen); + + /* the socket could be unblocking at this point, we need the + * connect to be blocking + */ + set_nonblock(fd, false); + if (connect(fd, peer->ai_addr, peer->ai_addrlen)) + xerror("can't reconnect: %d", errno); + if (cfg_input) + close(fd_in); + goto again; + } + return 0; } int parse_proto(const char *proto) @@ -1047,7 +1254,7 @@ static void parse_opts(int argc, char **argv) { int c; - while ((c = getopt(argc, argv, "6jr:lp:s:hut:T:m:S:R:w:M:P:c:")) != -1) { + while ((c = getopt(argc, argv, "6c:hi:I:jlm:M:o:p:P:r:R:s:S:t:T:w:")) != -1) { switch (c) { case 'j': cfg_join = true; @@ -1061,6 +1268,12 @@ static void parse_opts(int argc, char **argv) if (cfg_do_w <= 0) cfg_do_w = 50; break; + case 'i': + cfg_input = optarg; + break; + case 'I': + cfg_repeat = atoi(optarg); + break; case 'l': listen_mode = true; break; @@ -1073,9 +1286,6 @@ static void parse_opts(int argc, char **argv) case 'h': die_usage(); break; - case 'u': - tcpulp_audit = true; - break; case '6': pf = AF_INET6; break; @@ -1108,6 +1318,9 @@ static void parse_opts(int argc, char **argv) case 'c': parse_cmsg_types(optarg); break; + case 'o': + parse_setsock_options(optarg); + break; } } @@ -1126,9 +1339,6 @@ int main(int argc, char *argv[]) signal(SIGUSR1, handle_signal); parse_opts(argc, argv); - if (tcpulp_audit) - return sock_test_tcpulp(cfg_host, cfg_port) ? 0 : 1; - if (listen_mode) { int fd = sock_listen_mptcp(cfg_host, cfg_port); diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh index 559173a8e387..cb5809b89081 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -7,6 +7,7 @@ optstring="S:R:d:e:l:r:h4cm:f:tC" ret=0 sin="" sout="" +cin_disconnect="" cin="" cout="" ksft_skip=4 @@ -24,6 +25,7 @@ options_log=true do_tcp=0 checksum=false filesize=0 +connect_per_transfer=1 if [ $tc_loss -eq 100 ];then tc_loss=1% @@ -127,6 +129,7 @@ TEST_COUNT=0 cleanup() { + rm -f "$cin_disconnect" "$cout_disconnect" rm -f "$cin" "$cout" rm -f "$sin" "$sout" rm -f "$capout" @@ -149,6 +152,8 @@ sout=$(mktemp) cin=$(mktemp) cout=$(mktemp) capout=$(mktemp) +cin_disconnect="$cin".disconnect +cout_disconnect="$cout".disconnect trap cleanup EXIT for i in "$ns1" "$ns2" "$ns3" "$ns4";do @@ -296,24 +301,6 @@ check_mptcp_disabled() return 0 } -check_mptcp_ulp_setsockopt() -{ - local t retval - t="ns_ulp-$sech-$(mktemp -u XXXXXX)" - - ip netns add ${t} || exit $ksft_skip - if ! ip netns exec ${t} ./mptcp_connect -u -p 10000 -s TCP 127.0.0.1 2>&1; then - printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) allowed\t[ FAIL ]\n" - retval=1 - ret=$retval - else - printf "setsockopt(..., TCP_ULP, \"mptcp\", ...) blocked\t[ OK ]\n" - retval=0 - fi - ip netns del ${t} - return $retval -} - # $1: IP address is_v6() { @@ -518,8 +505,8 @@ do_transfer() cookies=${cookies##*=} if [ ${cl_proto} = "MPTCP" ] && [ ${srv_proto} = "MPTCP" ]; then - expect_synrx=$((stat_synrx_last_l+1)) - expect_ackrx=$((stat_ackrx_last_l+1)) + expect_synrx=$((stat_synrx_last_l+$connect_per_transfer)) + expect_ackrx=$((stat_ackrx_last_l+$connect_per_transfer)) fi if [ ${stat_synrx_now_l} -lt ${expect_synrx} ]; then @@ -671,6 +658,82 @@ run_tests() run_tests_lo $1 $2 $3 0 } +run_test_transparent() +{ + local connect_addr="$1" + local msg="$2" + + local connector_ns="$ns1" + local listener_ns="$ns2" + local lret=0 + local r6flag="" + + # skip if we don't want v6 + if ! $ipv6 && is_v6 "${connect_addr}"; then + return 0 + fi + +ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF" +flush ruleset +table inet mangle { + chain divert { + type filter hook prerouting priority -150; + + meta l4proto tcp socket transparent 1 meta mark set 1 accept + tcp dport 20000 tproxy to :20000 meta mark set 1 accept + } +} +EOF + if [ $? -ne 0 ]; then + echo "SKIP: $msg, could not load nft ruleset" + return + fi + + local local_addr + if is_v6 "${connect_addr}"; then + local_addr="::" + r6flag="-6" + else + local_addr="0.0.0.0" + fi + + ip -net "$listener_ns" $r6flag rule add fwmark 1 lookup 100 + if [ $? -ne 0 ]; then + ip netns exec "$listener_ns" nft flush ruleset + echo "SKIP: $msg, ip $r6flag rule failed" + return + fi + + ip -net "$listener_ns" route add local $local_addr/0 dev lo table 100 + if [ $? -ne 0 ]; then + ip netns exec "$listener_ns" nft flush ruleset + ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100 + echo "SKIP: $msg, ip route add local $local_addr failed" + return + fi + + echo "INFO: test $msg" + + TEST_COUNT=10000 + local extra_args="-o TRANSPARENT" + do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \ + ${connect_addr} ${local_addr} "${extra_args}" + lret=$? + + ip netns exec "$listener_ns" nft flush ruleset + ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100 + ip -net "$listener_ns" route del local $local_addr/0 dev lo table 100 + + if [ $lret -ne 0 ]; then + echo "FAIL: $msg, mptcp connection error" 1>&2 + ret=$lret + return 1 + fi + + echo "PASS: $msg" + return 0 +} + run_tests_peekmode() { local peekmode="$1" @@ -680,6 +743,33 @@ run_tests_peekmode() run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-P ${peekmode}" } +run_tests_disconnect() +{ + local peekmode="$1" + local old_cin=$cin + local old_sin=$sin + + cat $cin $cin $cin > "$cin".disconnect + + # force do_transfer to cope with the multiple tranmissions + sin="$cin.disconnect" + sin_disconnect=$old_sin + cin="$cin.disconnect" + cin_disconnect="$old_cin" + connect_per_transfer=3 + + echo "INFO: disconnect" + run_tests_lo "$ns1" "$ns1" 10.0.1.1 1 "-I 3 -i $old_cin" + run_tests_lo "$ns1" "$ns1" dead:beef:1::1 1 "-I 3 -i $old_cin" + + # restore previous status + cout=$old_cout + cout_disconnect="$cout".disconnect + cin=$old_cin + cin_disconnect="$cin".disconnect + connect_per_transfer=1 +} + display_time() { time_end=$(date +%s) @@ -704,8 +794,6 @@ make_file "$sin" "server" check_mptcp_disabled -check_mptcp_ulp_setsockopt - stop_if_error "The kernel configuration is not valid for MPTCP" echo "INFO: validating network environment with pings" @@ -794,5 +882,12 @@ run_tests_peekmode "saveWithPeek" run_tests_peekmode "saveAfterPeek" stop_if_error "Tests with peek mode have failed" +# connect to ns4 ip address, ns2 should intercept/proxy +run_test_transparent 10.0.3.1 "tproxy ipv4" +run_test_transparent dead:beef:3::1 "tproxy ipv6" +stop_if_error "Tests with tproxy have failed" + +run_tests_disconnect + display_time exit $ret diff --git a/tools/testing/selftests/net/mptcp/mptcp_inq.c b/tools/testing/selftests/net/mptcp/mptcp_inq.c new file mode 100644 index 000000000000..29f75e2a1116 --- /dev/null +++ b/tools/testing/selftests/net/mptcp/mptcp_inq.c @@ -0,0 +1,602 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define _GNU_SOURCE + +#include <assert.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <string.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <inttypes.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <unistd.h> +#include <time.h> + +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/wait.h> + +#include <netdb.h> +#include <netinet/in.h> + +#include <linux/tcp.h> +#include <linux/sockios.h> + +#ifndef IPPROTO_MPTCP +#define IPPROTO_MPTCP 262 +#endif +#ifndef SOL_MPTCP +#define SOL_MPTCP 284 +#endif + +static int pf = AF_INET; +static int proto_tx = IPPROTO_MPTCP; +static int proto_rx = IPPROTO_MPTCP; + +static void die_perror(const char *msg) +{ + perror(msg); + exit(1); +} + +static void die_usage(int r) +{ + fprintf(stderr, "Usage: mptcp_inq [-6] [ -t tcp|mptcp ] [ -r tcp|mptcp]\n"); + exit(r); +} + +static void xerror(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + fputc('\n', stderr); + exit(1); +} + +static const char *getxinfo_strerr(int err) +{ + if (err == EAI_SYSTEM) + return strerror(errno); + + return gai_strerror(err); +} + +static void xgetaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, + struct addrinfo **res) +{ + int err = getaddrinfo(node, service, hints, res); + + if (err) { + const char *errstr = getxinfo_strerr(err); + + fprintf(stderr, "Fatal: getaddrinfo(%s:%s): %s\n", + node ? node : "", service ? service : "", errstr); + exit(1); + } +} + +static int sock_listen_mptcp(const char * const listenaddr, + const char * const port) +{ + int sock; + struct addrinfo hints = { + .ai_protocol = IPPROTO_TCP, + .ai_socktype = SOCK_STREAM, + .ai_flags = AI_PASSIVE | AI_NUMERICHOST + }; + + hints.ai_family = pf; + + struct addrinfo *a, *addr; + int one = 1; + + xgetaddrinfo(listenaddr, port, &hints, &addr); + hints.ai_family = pf; + + for (a = addr; a; a = a->ai_next) { + sock = socket(a->ai_family, a->ai_socktype, proto_rx); + if (sock < 0) + continue; + + if (-1 == setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, + sizeof(one))) + perror("setsockopt"); + + if (bind(sock, a->ai_addr, a->ai_addrlen) == 0) + break; /* success */ + + perror("bind"); + close(sock); + sock = -1; + } + + freeaddrinfo(addr); + + if (sock < 0) + xerror("could not create listen socket"); + + if (listen(sock, 20)) + die_perror("listen"); + + return sock; +} + +static int sock_connect_mptcp(const char * const remoteaddr, + const char * const port, int proto) +{ + struct addrinfo hints = { + .ai_protocol = IPPROTO_TCP, + .ai_socktype = SOCK_STREAM, + }; + struct addrinfo *a, *addr; + int sock = -1; + + hints.ai_family = pf; + + xgetaddrinfo(remoteaddr, port, &hints, &addr); + for (a = addr; a; a = a->ai_next) { + sock = socket(a->ai_family, a->ai_socktype, proto); + if (sock < 0) + continue; + + if (connect(sock, a->ai_addr, a->ai_addrlen) == 0) + break; /* success */ + + die_perror("connect"); + } + + if (sock < 0) + xerror("could not create connect socket"); + + freeaddrinfo(addr); + return sock; +} + +static int protostr_to_num(const char *s) +{ + if (strcasecmp(s, "tcp") == 0) + return IPPROTO_TCP; + if (strcasecmp(s, "mptcp") == 0) + return IPPROTO_MPTCP; + + die_usage(1); + return 0; +} + +static void parse_opts(int argc, char **argv) +{ + int c; + + while ((c = getopt(argc, argv, "h6t:r:")) != -1) { + switch (c) { + case 'h': + die_usage(0); + break; + case '6': + pf = AF_INET6; + break; + case 't': + proto_tx = protostr_to_num(optarg); + break; + case 'r': + proto_rx = protostr_to_num(optarg); + break; + default: + die_usage(1); + break; + } + } +} + +/* wait up to timeout milliseconds */ +static void wait_for_ack(int fd, int timeout, size_t total) +{ + int i; + + for (i = 0; i < timeout; i++) { + int nsd, ret, queued = -1; + struct timespec req; + + ret = ioctl(fd, TIOCOUTQ, &queued); + if (ret < 0) + die_perror("TIOCOUTQ"); + + ret = ioctl(fd, SIOCOUTQNSD, &nsd); + if (ret < 0) + die_perror("SIOCOUTQNSD"); + + if ((size_t)queued > total) + xerror("TIOCOUTQ %u, but only %zu expected\n", queued, total); + assert(nsd <= queued); + + if (queued == 0) + return; + + /* wait for peer to ack rx of all data */ + req.tv_sec = 0; + req.tv_nsec = 1 * 1000 * 1000ul; /* 1ms */ + nanosleep(&req, NULL); + } + + xerror("still tx data queued after %u ms\n", timeout); +} + +static void connect_one_server(int fd, int unixfd) +{ + size_t len, i, total, sent; + char buf[4096], buf2[4096]; + ssize_t ret; + + len = rand() % (sizeof(buf) - 1); + + if (len < 128) + len = 128; + + for (i = 0; i < len ; i++) { + buf[i] = rand() % 26; + buf[i] += 'A'; + } + + buf[i] = '\n'; + + /* un-block server */ + ret = read(unixfd, buf2, 4); + assert(ret == 4); + + assert(strncmp(buf2, "xmit", 4) == 0); + + ret = write(unixfd, &len, sizeof(len)); + assert(ret == (ssize_t)sizeof(len)); + + ret = write(fd, buf, len); + if (ret < 0) + die_perror("write"); + + if (ret != (ssize_t)len) + xerror("short write"); + + ret = read(unixfd, buf2, 4); + assert(strncmp(buf2, "huge", 4) == 0); + + total = rand() % (16 * 1024 * 1024); + total += (1 * 1024 * 1024); + sent = total; + + ret = write(unixfd, &total, sizeof(total)); + assert(ret == (ssize_t)sizeof(total)); + + wait_for_ack(fd, 5000, len); + + while (total > 0) { + if (total > sizeof(buf)) + len = sizeof(buf); + else + len = total; + + ret = write(fd, buf, len); + if (ret < 0) + die_perror("write"); + total -= ret; + + /* we don't have to care about buf content, only + * number of total bytes sent + */ + } + + ret = read(unixfd, buf2, 4); + assert(ret == 4); + assert(strncmp(buf2, "shut", 4) == 0); + + wait_for_ack(fd, 5000, sent); + + ret = write(fd, buf, 1); + assert(ret == 1); + close(fd); + ret = write(unixfd, "closed", 6); + assert(ret == 6); + + close(unixfd); +} + +static void get_tcp_inq(struct msghdr *msgh, unsigned int *inqv) +{ + struct cmsghdr *cmsg; + + for (cmsg = CMSG_FIRSTHDR(msgh); cmsg ; cmsg = CMSG_NXTHDR(msgh, cmsg)) { + if (cmsg->cmsg_level == IPPROTO_TCP && cmsg->cmsg_type == TCP_CM_INQ) { + memcpy(inqv, CMSG_DATA(cmsg), sizeof(*inqv)); + return; + } + } + + xerror("could not find TCP_CM_INQ cmsg type"); +} + +static void process_one_client(int fd, int unixfd) +{ + unsigned int tcp_inq; + size_t expect_len; + char msg_buf[4096]; + char buf[4096]; + char tmp[16]; + struct iovec iov = { + .iov_base = buf, + .iov_len = 1, + }; + struct msghdr msg = { + .msg_iov = &iov, + .msg_iovlen = 1, + .msg_control = msg_buf, + .msg_controllen = sizeof(msg_buf), + }; + ssize_t ret, tot; + + ret = write(unixfd, "xmit", 4); + assert(ret == 4); + + ret = read(unixfd, &expect_len, sizeof(expect_len)); + assert(ret == (ssize_t)sizeof(expect_len)); + + if (expect_len > sizeof(buf)) + xerror("expect len %zu exceeds buffer size", expect_len); + + for (;;) { + struct timespec req; + unsigned int queued; + + ret = ioctl(fd, FIONREAD, &queued); + if (ret < 0) + die_perror("FIONREAD"); + if (queued > expect_len) + xerror("FIONREAD returned %u, but only %zu expected\n", + queued, expect_len); + if (queued == expect_len) + break; + + req.tv_sec = 0; + req.tv_nsec = 1000 * 1000ul; + nanosleep(&req, NULL); + } + + /* read one byte, expect cmsg to return expected - 1 */ + ret = recvmsg(fd, &msg, 0); + if (ret < 0) + die_perror("recvmsg"); + + if (msg.msg_controllen == 0) + xerror("msg_controllen is 0"); + + get_tcp_inq(&msg, &tcp_inq); + + assert((size_t)tcp_inq == (expect_len - 1)); + + iov.iov_len = sizeof(buf); + ret = recvmsg(fd, &msg, 0); + if (ret < 0) + die_perror("recvmsg"); + + /* should have gotten exact remainder of all pending data */ + assert(ret == (ssize_t)tcp_inq); + + /* should be 0, all drained */ + get_tcp_inq(&msg, &tcp_inq); + assert(tcp_inq == 0); + + /* request a large swath of data. */ + ret = write(unixfd, "huge", 4); + assert(ret == 4); + + ret = read(unixfd, &expect_len, sizeof(expect_len)); + assert(ret == (ssize_t)sizeof(expect_len)); + + /* peer should send us a few mb of data */ + if (expect_len <= sizeof(buf)) + xerror("expect len %zu too small\n", expect_len); + + tot = 0; + do { + iov.iov_len = sizeof(buf); + ret = recvmsg(fd, &msg, 0); + if (ret < 0) + die_perror("recvmsg"); + + tot += ret; + + get_tcp_inq(&msg, &tcp_inq); + + if (tcp_inq > expect_len - tot) + xerror("inq %d, remaining %d total_len %d\n", + tcp_inq, expect_len - tot, (int)expect_len); + + assert(tcp_inq <= expect_len - tot); + } while ((size_t)tot < expect_len); + + ret = write(unixfd, "shut", 4); + assert(ret == 4); + + /* wait for hangup. Should have received one more byte of data. */ + ret = read(unixfd, tmp, sizeof(tmp)); + assert(ret == 6); + assert(strncmp(tmp, "closed", 6) == 0); + + sleep(1); + + iov.iov_len = 1; + ret = recvmsg(fd, &msg, 0); + if (ret < 0) + die_perror("recvmsg"); + assert(ret == 1); + + get_tcp_inq(&msg, &tcp_inq); + + /* tcp_inq should be 1 due to received fin. */ + assert(tcp_inq == 1); + + iov.iov_len = 1; + ret = recvmsg(fd, &msg, 0); + if (ret < 0) + die_perror("recvmsg"); + + /* expect EOF */ + assert(ret == 0); + get_tcp_inq(&msg, &tcp_inq); + assert(tcp_inq == 1); + + close(fd); +} + +static int xaccept(int s) +{ + int fd = accept(s, NULL, 0); + + if (fd < 0) + die_perror("accept"); + + return fd; +} + +static int server(int unixfd) +{ + int fd = -1, r, on = 1; + + switch (pf) { + case AF_INET: + fd = sock_listen_mptcp("127.0.0.1", "15432"); + break; + case AF_INET6: + fd = sock_listen_mptcp("::1", "15432"); + break; + default: + xerror("Unknown pf %d\n", pf); + break; + } + + r = write(unixfd, "conn", 4); + assert(r == 4); + + alarm(15); + r = xaccept(fd); + + if (-1 == setsockopt(r, IPPROTO_TCP, TCP_INQ, &on, sizeof(on))) + die_perror("setsockopt"); + + process_one_client(r, unixfd); + + return 0; +} + +static int client(int unixfd) +{ + int fd = -1; + + alarm(15); + + switch (pf) { + case AF_INET: + fd = sock_connect_mptcp("127.0.0.1", "15432", proto_tx); + break; + case AF_INET6: + fd = sock_connect_mptcp("::1", "15432", proto_tx); + break; + default: + xerror("Unknown pf %d\n", pf); + } + + connect_one_server(fd, unixfd); + + return 0; +} + +static void init_rng(void) +{ + int fd = open("/dev/urandom", O_RDONLY); + unsigned int foo; + + if (fd > 0) { + int ret = read(fd, &foo, sizeof(foo)); + + if (ret < 0) + srand(fd + foo); + close(fd); + } + + srand(foo); +} + +static pid_t xfork(void) +{ + pid_t p = fork(); + + if (p < 0) + die_perror("fork"); + else if (p == 0) + init_rng(); + + return p; +} + +static int rcheck(int wstatus, const char *what) +{ + if (WIFEXITED(wstatus)) { + if (WEXITSTATUS(wstatus) == 0) + return 0; + fprintf(stderr, "%s exited, status=%d\n", what, WEXITSTATUS(wstatus)); + return WEXITSTATUS(wstatus); + } else if (WIFSIGNALED(wstatus)) { + xerror("%s killed by signal %d\n", what, WTERMSIG(wstatus)); + } else if (WIFSTOPPED(wstatus)) { + xerror("%s stopped by signal %d\n", what, WSTOPSIG(wstatus)); + } + + return 111; +} + +int main(int argc, char *argv[]) +{ + int e1, e2, wstatus; + pid_t s, c, ret; + int unixfds[2]; + + parse_opts(argc, argv); + + e1 = socketpair(AF_UNIX, SOCK_DGRAM, 0, unixfds); + if (e1 < 0) + die_perror("pipe"); + + s = xfork(); + if (s == 0) + return server(unixfds[1]); + + close(unixfds[1]); + + /* wait until server bound a socket */ + e1 = read(unixfds[0], &e1, 4); + assert(e1 == 4); + + c = xfork(); + if (c == 0) + return client(unixfds[0]); + + close(unixfds[0]); + + ret = waitpid(s, &wstatus, 0); + if (ret == -1) + die_perror("waitpid"); + e1 = rcheck(wstatus, "server"); + ret = waitpid(c, &wstatus, 0); + if (ret == -1) + die_perror("waitpid"); + e2 = rcheck(wstatus, "client"); + + return e1 ? e1 : e2; +} diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 7ef639a9d4a6..27d0eb9afdca 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -238,6 +238,45 @@ is_v6() [ -z "${1##*:*}" ] } +# $1: ns, $2: port +wait_local_port_listen() +{ + local listener_ns="${1}" + local port="${2}" + + local port_hex i + + port_hex="$(printf "%04X" "${port}")" + for i in $(seq 10); do + ip netns exec "${listener_ns}" cat /proc/net/tcp* | \ + awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" && + break + sleep 0.1 + done +} + +rm_addr_count() +{ + ns=${1} + + ip netns exec ${ns} nstat -as | grep MPTcpExtRmAddr | awk '{print $2}' +} + +# $1: ns, $2: old rm_addr counter in $ns +wait_rm_addr() +{ + local ns="${1}" + local old_cnt="${2}" + local cnt + local i + + for i in $(seq 10); do + cnt=$(rm_addr_count ${ns}) + [ "$cnt" = "${old_cnt}" ] || break + sleep 0.1 + done +} + do_transfer() { listener_ns="$1" @@ -307,7 +346,7 @@ do_transfer() fi spid=$! - sleep 1 + wait_local_port_listen "${listener_ns}" "${port}" if [ "$test_link_fail" -eq 0 ];then timeout ${timeout_test} \ @@ -324,10 +363,13 @@ do_transfer() fi cpid=$! + # let the mptcp subflow be established in background before + # do endpoint manipulation + [ $addr_nr_ns1 = "0" -a $addr_nr_ns2 = "0" ] || sleep 1 + if [ $addr_nr_ns1 -gt 0 ]; then let add_nr_ns1=addr_nr_ns1 counter=2 - sleep 1 while [ $add_nr_ns1 -gt 0 ]; do local addr if is_v6 "${connect_addr}"; then @@ -339,7 +381,6 @@ do_transfer() let counter+=1 let add_nr_ns1-=1 done - sleep 1 elif [ $addr_nr_ns1 -lt 0 ]; then let rm_nr_ns1=-addr_nr_ns1 if [ $rm_nr_ns1 -lt 8 ]; then @@ -347,22 +388,19 @@ do_transfer() pos=1 dump=(`ip netns exec ${listener_ns} ./pm_nl_ctl dump`) if [ ${#dump[@]} -gt 0 ]; then - sleep 1 - while [ $counter -le $rm_nr_ns1 ] do id=${dump[$pos]} + rm_addr=$(rm_addr_count ${connector_ns}) ip netns exec ${listener_ns} ./pm_nl_ctl del $id - sleep 1 + wait_rm_addr ${connector_ns} ${rm_addr} let counter+=1 let pos+=5 done fi elif [ $rm_nr_ns1 -eq 8 ]; then - sleep 1 ip netns exec ${listener_ns} ./pm_nl_ctl flush elif [ $rm_nr_ns1 -eq 9 ]; then - sleep 1 ip netns exec ${listener_ns} ./pm_nl_ctl del 0 ${connect_addr} fi fi @@ -373,10 +411,13 @@ do_transfer() addr_nr_ns2=${addr_nr_ns2:9} fi + # if newly added endpoints must be deleted, give the background msk + # some time to created them + [ $addr_nr_ns1 -gt 0 -a $addr_nr_ns2 -lt 0 ] && sleep 1 + if [ $addr_nr_ns2 -gt 0 ]; then let add_nr_ns2=addr_nr_ns2 counter=3 - sleep 1 while [ $add_nr_ns2 -gt 0 ]; do local addr if is_v6 "${connect_addr}"; then @@ -388,7 +429,6 @@ do_transfer() let counter+=1 let add_nr_ns2-=1 done - sleep 1 elif [ $addr_nr_ns2 -lt 0 ]; then let rm_nr_ns2=-addr_nr_ns2 if [ $rm_nr_ns2 -lt 8 ]; then @@ -396,19 +436,18 @@ do_transfer() pos=1 dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`) if [ ${#dump[@]} -gt 0 ]; then - sleep 1 - while [ $counter -le $rm_nr_ns2 ] do + # rm_addr are serialized, allow the previous one to complete id=${dump[$pos]} + rm_addr=$(rm_addr_count ${listener_ns}) ip netns exec ${connector_ns} ./pm_nl_ctl del $id - sleep 1 + wait_rm_addr ${listener_ns} ${rm_addr} let counter+=1 let pos+=5 done fi elif [ $rm_nr_ns2 -eq 8 ]; then - sleep 1 ip netns exec ${connector_ns} ./pm_nl_ctl flush elif [ $rm_nr_ns2 -eq 9 ]; then local addr @@ -417,7 +456,6 @@ do_transfer() else addr="10.0.1.2" fi - sleep 1 ip netns exec ${connector_ns} ./pm_nl_ctl del 0 $addr fi fi @@ -539,6 +577,14 @@ run_tests() lret=$? } +dump_stats() +{ + echo Server ns stats + ip netns exec $ns1 nstat -as | grep Tcp + echo Client ns stats + ip netns exec $ns2 nstat -as | grep Tcp +} + chk_csum_nr() { local msg=${1:-""} @@ -570,12 +616,7 @@ chk_csum_nr() else echo "[ ok ]" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_fail_nr() @@ -607,12 +648,7 @@ chk_fail_nr() echo "[ ok ]" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_join_nr() @@ -656,12 +692,7 @@ chk_join_nr() else echo "[ ok ]" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats if [ $checksum -eq 1 ]; then chk_csum_nr chk_fail_nr 0 0 @@ -823,12 +854,7 @@ chk_add_nr() echo "" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_rm_nr() @@ -871,12 +897,7 @@ chk_rm_nr() echo "[ ok ]" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_prio_nr() @@ -908,12 +929,7 @@ chk_prio_nr() echo "[ ok ]" fi - if [ "${dump_stats}" = 1 ]; then - echo Server ns stats - ip netns exec $ns1 nstat -as | grep MPTcp - echo Client ns stats - ip netns exec $ns2 nstat -as | grep MPTcp - fi + [ "${dump_stats}" = 1 ] && dump_stats } chk_link_usage() @@ -937,6 +953,22 @@ chk_link_usage() fi } +wait_for_tw() +{ + local timeout_ms=$((timeout_poll * 1000)) + local time=0 + local ns=$1 + + while [ $time -lt $timeout_ms ]; do + local cnt=$(ip netns exec $ns ss -t state time-wait |wc -l) + + [ "$cnt" = 1 ] && return 1 + time=$((time + 100)) + sleep 0.1 + done + return 1 +} + subflows_tests() { reset @@ -994,6 +1026,61 @@ subflows_tests() chk_join_nr "single subflow, dev" 1 1 1 } +subflows_error_tests() +{ + # If a single subflow is configured, and matches the MPC src + # address, no additional subflow should be created + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.1.2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "no MPC reuse with single endpoint" 0 0 0 + + # multiple subflows, with subflow creation error + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "multi subflows, with failing subflow" 1 1 1 + + # multiple subflows, with subflow timeout on MPJ + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl limits 0 2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j DROP + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow + chk_join_nr "multi subflows, with subflow timeout" 1 1 1 + + # multiple subflows, check that the endpoint corresponding to + # closed subflow (due to reset) is not reused if additional + # subflows are added later + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl limits 0 1 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow + ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow & + + # updates in the child shell do not have any effect here, we + # need to bump the test counter for the above case + TEST_COUNT=$((TEST_COUNT+1)) + + # mpj subflow will be in TW after the reset + wait_for_tw $ns2 + ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow + wait + + # additional subflow could be created only if the PM select + # the later endpoint, skipping the already used one + chk_join_nr "multi subflows, fair usage on close" 1 1 1 +} + signal_address_tests() { # add_address, unused @@ -1071,7 +1158,10 @@ signal_address_tests() ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags signal ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags signal run_tests $ns1 $ns2 10.0.1.1 - chk_add_nr 4 4 + + # the server will not signal the address terminating + # the MPC subflow + chk_add_nr 3 3 } link_failure_tests() @@ -1577,7 +1667,7 @@ add_addr_ports_tests() ip netns exec $ns2 ./pm_nl_ctl limits 1 3 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow - run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow + run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow chk_join_nr "flush subflows and signal with port" 3 3 3 chk_add_nr 1 1 chk_rm_nr 2 2 @@ -1802,6 +1892,7 @@ fullmesh_tests() all_tests() { subflows_tests + subflows_error_tests signal_address_tests link_failure_tests add_addr_timeout_tests @@ -1821,6 +1912,7 @@ usage() { echo "mptcp_join usage:" echo " -f subflows_tests" + echo " -e subflows_error_tests" echo " -s signal_address_tests" echo " -l link_failure_tests" echo " -t add_addr_timeout_tests" @@ -1869,11 +1961,14 @@ if [ $do_all_tests -eq 1 ]; then exit $ret fi -while getopts 'fsltra64bpkdmchCS' opt; do +while getopts 'fesltra64bpkdmchCS' opt; do case $opt in f) subflows_tests ;; + e) + subflows_error_tests + ;; s) signal_address_tests ;; diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c index 417b11cafafe..ac9a4d9c1764 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.c +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.c @@ -4,6 +4,7 @@ #include <assert.h> #include <errno.h> +#include <fcntl.h> #include <limits.h> #include <string.h> #include <stdarg.h> @@ -13,6 +14,7 @@ #include <stdio.h> #include <stdlib.h> #include <strings.h> +#include <time.h> #include <unistd.h> #include <sys/socket.h> @@ -594,6 +596,44 @@ static int server(int pipefd) return 0; } +static void test_ip_tos_sockopt(int fd) +{ + uint8_t tos_in, tos_out; + socklen_t s; + int r; + + tos_in = rand() & 0xfc; + r = setsockopt(fd, SOL_IP, IP_TOS, &tos_in, sizeof(tos_out)); + if (r != 0) + die_perror("setsockopt IP_TOS"); + + tos_out = 0; + s = sizeof(tos_out); + r = getsockopt(fd, SOL_IP, IP_TOS, &tos_out, &s); + if (r != 0) + die_perror("getsockopt IP_TOS"); + + if (tos_in != tos_out) + xerror("tos %x != %x socklen_t %d\n", tos_in, tos_out, s); + + if (s != 1) + xerror("tos should be 1 byte"); + + s = 0; + r = getsockopt(fd, SOL_IP, IP_TOS, &tos_out, &s); + if (r != 0) + die_perror("getsockopt IP_TOS 0"); + if (s != 0) + xerror("expect socklen_t == 0"); + + s = -1; + r = getsockopt(fd, SOL_IP, IP_TOS, &tos_out, &s); + if (r != -1 && errno != EINVAL) + die_perror("getsockopt IP_TOS did not indicate -EINVAL"); + if (s != -1) + xerror("expect socklen_t == -1"); +} + static int client(int pipefd) { int fd = -1; @@ -611,6 +651,8 @@ static int client(int pipefd) xerror("Unknown pf %d\n", pf); } + test_ip_tos_sockopt(fd); + connect_one_server(fd, pipefd); return 0; @@ -642,6 +684,25 @@ static int rcheck(int wstatus, const char *what) return 111; } +static void init_rng(void) +{ + int fd = open("/dev/urandom", O_RDONLY); + + if (fd >= 0) { + unsigned int foo; + ssize_t ret; + + /* can't fail */ + ret = read(fd, &foo, sizeof(foo)); + assert(ret == sizeof(foo)); + + close(fd); + srand(foo); + } else { + srand(time(NULL)); + } +} + int main(int argc, char *argv[]) { int e1, e2, wstatus; @@ -650,6 +711,8 @@ int main(int argc, char *argv[]) parse_opts(argc, argv); + init_rng(); + e1 = pipe(pipefds); if (e1 < 0) die_perror("pipe"); diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh index 41de643788b8..0879da915014 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -178,7 +178,7 @@ do_transfer() timeout ${timeout_test} \ ip netns exec ${listener_ns} \ - $mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS \ + $mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS,TCPINQ \ ${local_addr} < "$sin" > "$sout" & spid=$! @@ -186,7 +186,7 @@ do_transfer() timeout ${timeout_test} \ ip netns exec ${connector_ns} \ - $mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS \ + $mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS,TCPINQ \ $connect_addr < "$cin" > "$cout" & cpid=$! @@ -279,6 +279,45 @@ run_tests() fi } +do_tcpinq_test() +{ + ip netns exec "$ns1" ./mptcp_inq "$@" + lret=$? + if [ $lret -ne 0 ];then + ret=$lret + echo "FAIL: mptcp_inq $@" 1>&2 + return $lret + fi + + echo "PASS: TCP_INQ cmsg/ioctl $@" + return $lret +} + +do_tcpinq_tests() +{ + local lret=0 + + ip netns exec "$ns1" iptables -F + ip netns exec "$ns1" ip6tables -F + + for args in "-t tcp" "-r tcp"; do + do_tcpinq_test $args + lret=$? + if [ $lret -ne 0 ] ; then + return $lret + fi + do_tcpinq_test -6 $args + lret=$? + if [ $lret -ne 0 ] ; then + return $lret + fi + done + + do_tcpinq_test -r tcp -t tcp + + return $? +} + sin=$(mktemp) sout=$(mktemp) cin=$(mktemp) @@ -300,4 +339,5 @@ if [ $ret -eq 0 ];then echo "PASS: SOL_MPTCP getsockopt has expected information" fi +do_tcpinq_tests exit $ret diff --git a/tools/testing/selftests/net/nettest.c b/tools/testing/selftests/net/nettest.c index b599003eb5ba..d9a6fd2cd9d3 100644 --- a/tools/testing/selftests/net/nettest.c +++ b/tools/testing/selftests/net/nettest.c @@ -85,6 +85,7 @@ struct sock_args { int version; /* AF_INET/AF_INET6 */ int use_setsockopt; + int use_freebind; int use_cmsg; const char *dev; const char *server_dev; @@ -514,6 +515,29 @@ static int set_membership(int sd, uint32_t grp, uint32_t addr, int ifindex) return 0; } +static int set_freebind(int sd, int version) +{ + unsigned int one = 1; + int rc = 0; + + switch (version) { + case AF_INET: + if (setsockopt(sd, SOL_IP, IP_FREEBIND, &one, sizeof(one))) { + log_err_errno("setsockopt(IP_FREEBIND)"); + rc = -1; + } + break; + case AF_INET6: + if (setsockopt(sd, SOL_IPV6, IPV6_FREEBIND, &one, sizeof(one))) { + log_err_errno("setsockopt(IPV6_FREEBIND"); + rc = -1; + } + break; + } + + return rc; +} + static int set_broadcast(int sd) { unsigned int one = 1; @@ -1419,6 +1443,9 @@ static int lsock_init(struct sock_args *args) set_unicast_if(sd, args->ifindex, args->version)) goto err; + if (args->use_freebind && set_freebind(sd, args->version)) + goto err; + if (bind_socket(sd, args)) goto err; @@ -1827,7 +1854,7 @@ static int ipc_parent(int cpid, int fd, struct sock_args *args) return client_status; } -#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6xL:0:1:2:3:Fbq" +#define GETOPT_STR "sr:l:c:p:t:g:P:DRn:M:X:m:d:I:BN:O:SCi6xL:0:1:2:3:Fbqf" #define OPT_FORCE_BIND_KEY_IFINDEX 1001 #define OPT_NO_BIND_KEY_IFINDEX 1002 @@ -1864,6 +1891,7 @@ static void print_usage(char *prog) " -I dev bind socket to given device name - server mode\n" " -S use setsockopt (IP_UNICAST_IF or IP_MULTICAST_IF)\n" " to set device binding\n" + " -f bind socket with the IP[V6]_FREEBIND option\n" " -C use cmsg and IP_PKTINFO to specify device binding\n" "\n" " -L len send random message of given length\n" @@ -1999,6 +2027,9 @@ int main(int argc, char *argv[]) case 'S': args.use_setsockopt = 1; break; + case 'f': + args.use_freebind = 1; + break; case 'C': args.use_cmsg = 1; break; diff --git a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh index 4a6f5c3b3215..eb9553e4986b 100755 --- a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh +++ b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh @@ -41,7 +41,7 @@ checktool (){ checktool "iptables --version" "run test without iptables" checktool "ip -Version" "run test without ip tool" -checktool "which nc" "run test without nc (netcat)" +checktool "which socat" "run test without socat" checktool "ip netns add ${r_a}" "create net namespace" for n in ${r_b} ${r_w} ${c_a} ${c_b};do @@ -60,11 +60,12 @@ trap cleanup EXIT test_path() { msg="$1" - ip netns exec ${c_b} nc -n -w 3 -q 3 -u -l -p 5000 > ${rx} < /dev/null & + ip netns exec ${c_b} socat -t 3 - udp4-listen:5000,reuseaddr > ${rx} < /dev/null & sleep 1 for i in 1 2 3; do - head -c1400 /dev/zero | tr "\000" "a" | ip netns exec ${c_a} nc -n -w 1 -u 192.168.20.2 5000 + head -c1400 /dev/zero | tr "\000" "a" | \ + ip netns exec ${c_a} socat -t 1 -u STDIN UDP:192.168.20.2:5000 done wait @@ -189,7 +190,7 @@ ip netns exec ${r_w} sysctl -q net.ipv4.conf.all.forwarding=1 > /dev/null #--------------------- #Now we send a 1400 bytes UDP packet from Client A to Client B: -# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | nc -u 192.168.20.2 5000 +# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | socat -u STDIN UDP:192.168.20.2:5000 test_path "without" # The IPv4 stack on Client A already knows the PMTU to Client B, so the diff --git a/tools/testing/selftests/netfilter/nf_nat_edemux.sh b/tools/testing/selftests/netfilter/nf_nat_edemux.sh index cfee3b65be0f..1092bbcb1fba 100755 --- a/tools/testing/selftests/netfilter/nf_nat_edemux.sh +++ b/tools/testing/selftests/netfilter/nf_nat_edemux.sh @@ -76,23 +76,23 @@ ip netns exec $ns2 ip route add 10.96.0.1 via 192.168.1.1 sleep 1 # add a persistent connection from the other namespace -ip netns exec $ns2 nc -q 10 -w 10 192.168.1.1 5201 > /dev/null & +ip netns exec $ns2 socat -t 10 - TCP:192.168.1.1:5201 > /dev/null & sleep 1 # ip daddr:dport will be rewritten to 192.168.1.1 5201 # NAT must reallocate source port 10000 because # 192.168.1.2:10000 -> 192.168.1.1:5201 is already in use -echo test | ip netns exec $ns2 nc -w 3 -q 3 10.96.0.1 443 >/dev/null +echo test | ip netns exec $ns2 socat -t 3 -u STDIN TCP:10.96.0.1:443 >/dev/null ret=$? kill $iperfs -# Check nc can connect to 10.96.0.1:443 (aka 192.168.1.1:5201). +# Check socat can connect to 10.96.0.1:443 (aka 192.168.1.1:5201). if [ $ret -eq 0 ]; then - echo "PASS: nc can connect via NAT'd address" + echo "PASS: socat can connect via NAT'd address" else - echo "FAIL: nc cannot connect via NAT'd address" + echo "FAIL: socat cannot connect via NAT'd address" exit 1 fi diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh index d88867d2fed7..349a319a9e51 100755 --- a/tools/testing/selftests/netfilter/nft_nat.sh +++ b/tools/testing/selftests/netfilter/nft_nat.sh @@ -880,8 +880,9 @@ EOF return $ksft_skip fi - # test default behaviour. Packet from ns1 to ns0 is redirected to ns2. - test_port_shadow "default" "CLIENT" + # test default behaviour. Packet from ns1 to ns0 is not redirected + # due to automatic port translation. + test_port_shadow "default" "ROUTER" # test packet filter based mitigation: prevent forwarding of # packets claiming to come from the service port. diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c index f7911aaeb007..c0f6a062364d 100644 --- a/tools/testing/selftests/ptp/testptp.c +++ b/tools/testing/selftests/ptp/testptp.c @@ -354,6 +354,18 @@ int main(int argc, char *argv[]) } } + if (pin_index >= 0) { + memset(&desc, 0, sizeof(desc)); + desc.index = pin_index; + desc.func = pin_func; + desc.chan = index; + if (ioctl(fd, PTP_PIN_SETFUNC, &desc)) { + perror("PTP_PIN_SETFUNC"); + } else { + puts("set pin function okay"); + } + } + if (extts) { memset(&extts_request, 0, sizeof(extts_request)); extts_request.index = index; @@ -444,18 +456,6 @@ int main(int argc, char *argv[]) } } - if (pin_index >= 0) { - memset(&desc, 0, sizeof(desc)); - desc.index = pin_index; - desc.func = pin_func; - desc.chan = index; - if (ioctl(fd, PTP_PIN_SETFUNC, &desc)) { - perror("PTP_PIN_SETFUNC"); - } else { - puts("set pin function okay"); - } - } - if (pps != -1) { int enable = pps ? 1 : 0; if (ioctl(fd, PTP_ENABLE_PPS, enable)) { diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json index 8e45792703ed..b7205a069534 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/actions/police.json +++ b/tools/testing/selftests/tc-testing/tc-tests/actions/police.json @@ -812,5 +812,29 @@ "teardown": [ "$TC actions flush action police" ] + }, + { + "id": "7d64", + "name": "Add police action with skip_hw option", + "category": [ + "actions", + "police" + ], + "setup": [ + [ + "$TC actions flush action police", + 0, + 1, + 255 + ] + ], + "cmdUnderTest": "$TC actions add action police rate 1kbit burst 10k index 100 skip_hw", + "expExitCode": "0", + "verifyCmd": "$TC actions ls action police | grep skip_hw", + "matchPattern": "skip_hw", + "matchCount": "1", + "teardown": [ + "$TC actions flush action police" + ] } ] diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/matchall.json b/tools/testing/selftests/tc-testing/tc-tests/filters/matchall.json index 51799874a972..2df68017dfb8 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/filters/matchall.json +++ b/tools/testing/selftests/tc-testing/tc-tests/filters/matchall.json @@ -387,5 +387,77 @@ "$TC qdisc del dev $DUMMY ingress", "$IP link del dev $DUMMY type dummy" ] + }, + { + "id": "3329", + "name": "Validate flags of the matchall filter with skip_sw and police action with skip_hw", + "category": [ + "filter", + "matchall" + ], + "setup": [ + "$IP link add dev $DUMMY type dummy || /bin/true", + "$TC qdisc add dev $DUMMY ingress", + "$TC actions flush action police", + "$TC actions add action police rate 1mbit burst 100k index 199 skip_hw" + ], + "cmdUnderTest": "$TC filter add dev $DUMMY parent ffff: handle 0x1 prio 1 protocol ipv4 matchall skip_sw action police index 199", + "expExitCode": "2", + "verifyCmd": "$TC filter get dev $DUMMY parent ffff: handle 1 prio 1 protocol ipv4 matchall", + "matchPattern": "^filter parent ffff: protocol ip pref 1 matchall.*handle 0x1.*", + "matchCount": "0", + "teardown": [ + "$TC qdisc del dev $DUMMY ingress", + "$IP link del dev $DUMMY type dummy", + "$TC actions del action police index 199" + ] + }, + { + "id": "0eeb", + "name": "Validate flags of the matchall filter with skip_hw and police action", + "category": [ + "filter", + "matchall" + ], + "setup": [ + "$IP link add dev $DUMMY type dummy || /bin/true", + "$TC qdisc add dev $DUMMY ingress", + "$TC actions flush action police", + "$TC actions add action police rate 1mbit burst 100k index 199" + ], + "cmdUnderTest": "$TC filter add dev $DUMMY parent ffff: handle 0x1 prio 1 protocol ipv4 matchall skip_hw action police index 199", + "expExitCode": "2", + "verifyCmd": "$TC filter get dev $DUMMY parent ffff: handle 1 prio 1 protocol ipv4 matchall", + "matchPattern": "^filter parent ffff: protocol ip pref 1 matchall.*handle 0x1.*", + "matchCount": "0", + "teardown": [ + "$TC qdisc del dev $DUMMY ingress", + "$IP link del dev $DUMMY type dummy", + "$TC actions del action police index 199" + ] + }, + { + "id": "eee4", + "name": "Validate flags of the matchall filter with skip_sw and police action", + "category": [ + "filter", + "matchall" + ], + "setup": [ + "$IP link add dev $DUMMY type dummy || /bin/true", + "$TC qdisc add dev $DUMMY ingress", + "$TC actions flush action police", + "$TC actions add action police rate 1mbit burst 100k index 199" + ], + "cmdUnderTest": "$TC filter add dev $DUMMY parent ffff: handle 0x1 prio 1 protocol ipv4 matchall skip_sw action police index 199", + "expExitCode": "2", + "verifyCmd": "$TC filter get dev $DUMMY parent ffff: handle 1 prio 1 protocol ipv4 matchall", + "matchPattern": "^filter parent ffff: protocol ip pref 1 matchall.*handle 0x1.*", + "matchCount": "0", + "teardown": [ + "$TC qdisc del dev $DUMMY ingress", + "$IP link del dev $DUMMY type dummy", + "$TC actions del action police index 199" + ] } ] |