diff options
Diffstat (limited to 'tools')
57 files changed, 2254 insertions, 306 deletions
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S index 0b5b8ae56bd9..1e299ac73c86 100644 --- a/tools/arch/x86/lib/memcpy_64.S +++ b/tools/arch/x86/lib/memcpy_64.S @@ -16,8 +16,6 @@ * to a jmp to memcpy_erms which does the REP; MOVSB mem copy. */ -.weak memcpy - /* * memcpy - Copy a memory block. * @@ -30,7 +28,7 @@ * rax original destination */ SYM_FUNC_START_ALIAS(__memcpy) -SYM_FUNC_START_LOCAL(memcpy) +SYM_FUNC_START_WEAK(memcpy) ALTERNATIVE_2 "jmp memcpy_orig", "", X86_FEATURE_REP_GOOD, \ "jmp memcpy_erms", X86_FEATURE_ERMS @@ -51,14 +49,14 @@ EXPORT_SYMBOL(__memcpy) * memcpy_erms() - enhanced fast string memcpy. This is faster and * simpler than memcpy. Use memcpy_erms when possible. */ -SYM_FUNC_START(memcpy_erms) +SYM_FUNC_START_LOCAL(memcpy_erms) movq %rdi, %rax movq %rdx, %rcx rep movsb ret SYM_FUNC_END(memcpy_erms) -SYM_FUNC_START(memcpy_orig) +SYM_FUNC_START_LOCAL(memcpy_orig) movq %rdi, %rax cmpq $0x20, %rdx diff --git a/tools/arch/x86/lib/memset_64.S b/tools/arch/x86/lib/memset_64.S index fd5d25a474b7..0bfd26e4ca9e 100644 --- a/tools/arch/x86/lib/memset_64.S +++ b/tools/arch/x86/lib/memset_64.S @@ -4,8 +4,7 @@ #include <linux/linkage.h> #include <asm/cpufeatures.h> #include <asm/alternative-asm.h> - -.weak memset +#include <asm/export.h> /* * ISO C memset - set a memory block to a byte value. This function uses fast @@ -18,7 +17,7 @@ * * rax original destination */ -SYM_FUNC_START_ALIAS(memset) +SYM_FUNC_START_WEAK(memset) SYM_FUNC_START(__memset) /* * Some CPUs support enhanced REP MOVSB/STOSB feature. It is recommended @@ -44,6 +43,8 @@ SYM_FUNC_START(__memset) ret SYM_FUNC_END(__memset) SYM_FUNC_END_ALIAS(memset) +EXPORT_SYMBOL(memset) +EXPORT_SYMBOL(__memset) /* * ISO C memset - set a memory block to a byte value. This function uses @@ -56,7 +57,7 @@ SYM_FUNC_END_ALIAS(memset) * * rax original destination */ -SYM_FUNC_START(memset_erms) +SYM_FUNC_START_LOCAL(memset_erms) movq %rdi,%r9 movb %sil,%al movq %rdx,%rcx @@ -65,7 +66,7 @@ SYM_FUNC_START(memset_erms) ret SYM_FUNC_END(memset_erms) -SYM_FUNC_START(memset_orig) +SYM_FUNC_START_LOCAL(memset_orig) movq %rdi,%r10 /* expand byte value */ diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c index eb92027817a7..7362bef1a368 100644 --- a/tools/bootconfig/main.c +++ b/tools/bootconfig/main.c @@ -10,6 +10,7 @@ #include <unistd.h> #include <string.h> #include <errno.h> +#include <endian.h> #include <linux/kernel.h> #include <linux/bootconfig.h> @@ -147,6 +148,12 @@ static int load_xbc_file(const char *path, char **buf) return ret; } +static int pr_errno(const char *msg, int err) +{ + pr_err("%s: %d\n", msg, err); + return err; +} + static int load_xbc_from_initrd(int fd, char **buf) { struct stat stat; @@ -162,26 +169,26 @@ static int load_xbc_from_initrd(int fd, char **buf) if (stat.st_size < 8 + BOOTCONFIG_MAGIC_LEN) return 0; - if (lseek(fd, -BOOTCONFIG_MAGIC_LEN, SEEK_END) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + if (lseek(fd, -BOOTCONFIG_MAGIC_LEN, SEEK_END) < 0) + return pr_errno("Failed to lseek for magic", -errno); + if (read(fd, magic, BOOTCONFIG_MAGIC_LEN) < 0) - return -errno; + return pr_errno("Failed to read", -errno); + /* Check the bootconfig magic bytes */ if (memcmp(magic, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN) != 0) return 0; - if (lseek(fd, -(8 + BOOTCONFIG_MAGIC_LEN), SEEK_END) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + if (lseek(fd, -(8 + BOOTCONFIG_MAGIC_LEN), SEEK_END) < 0) + return pr_errno("Failed to lseek for size", -errno); if (read(fd, &size, sizeof(u32)) < 0) - return -errno; + return pr_errno("Failed to read size", -errno); + size = le32toh(size); if (read(fd, &csum, sizeof(u32)) < 0) - return -errno; + return pr_errno("Failed to read checksum", -errno); + csum = le32toh(csum); /* Wrong size error */ if (stat.st_size < size + 8 + BOOTCONFIG_MAGIC_LEN) { @@ -190,10 +197,8 @@ static int load_xbc_from_initrd(int fd, char **buf) } if (lseek(fd, stat.st_size - (size + 8 + BOOTCONFIG_MAGIC_LEN), - SEEK_SET) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + SEEK_SET) < 0) + return pr_errno("Failed to lseek", -errno); ret = load_xbc_fd(fd, buf, size); if (ret < 0) @@ -262,14 +267,16 @@ static int show_xbc(const char *path, bool list) ret = stat(path, &st); if (ret < 0) { - pr_err("Failed to stat %s: %d\n", path, -errno); - return -errno; + ret = -errno; + pr_err("Failed to stat %s: %d\n", path, ret); + return ret; } fd = open(path, O_RDONLY); if (fd < 0) { - pr_err("Failed to open initrd %s: %d\n", path, fd); - return -errno; + ret = -errno; + pr_err("Failed to open initrd %s: %d\n", path, ret); + return ret; } ret = load_xbc_from_initrd(fd, &buf); @@ -307,8 +314,9 @@ static int delete_xbc(const char *path) fd = open(path, O_RDWR); if (fd < 0) { - pr_err("Failed to open initrd %s: %d\n", path, fd); - return -errno; + ret = -errno; + pr_err("Failed to open initrd %s: %d\n", path, ret); + return ret; } size = load_xbc_from_initrd(fd, &buf); @@ -332,11 +340,13 @@ static int delete_xbc(const char *path) static int apply_xbc(const char *path, const char *xbc_path) { + char *buf, *data, *p; + size_t total_size; + struct stat stat; + const char *msg; u32 size, csum; - char *buf, *data; + int pos, pad; int ret, fd; - const char *msg; - int pos; ret = load_xbc_file(xbc_path, &buf); if (ret < 0) { @@ -346,13 +356,12 @@ static int apply_xbc(const char *path, const char *xbc_path) size = strlen(buf) + 1; csum = checksum((unsigned char *)buf, size); - /* Prepare xbc_path data */ - data = malloc(size + 8); + /* Backup the bootconfig data */ + data = calloc(size + BOOTCONFIG_ALIGN + + sizeof(u32) + sizeof(u32) + BOOTCONFIG_MAGIC_LEN, 1); if (!data) return -ENOMEM; - strcpy(data, buf); - *(u32 *)(data + size) = size; - *(u32 *)(data + size + 4) = csum; + memcpy(data, buf, size); /* Check the data format */ ret = xbc_init(buf, &msg, &pos); @@ -383,28 +392,61 @@ static int apply_xbc(const char *path, const char *xbc_path) /* Apply new one */ fd = open(path, O_RDWR | O_APPEND); if (fd < 0) { - pr_err("Failed to open %s: %d\n", path, fd); + ret = -errno; + pr_err("Failed to open %s: %d\n", path, ret); free(data); - return fd; + return ret; } /* TODO: Ensure the @path is initramfs/initrd image */ - ret = write(fd, data, size + 8); - if (ret < 0) { - pr_err("Failed to apply a boot config: %d\n", ret); + if (fstat(fd, &stat) < 0) { + pr_err("Failed to get the size of %s\n", path); goto out; } - /* Write a magic word of the bootconfig */ - ret = write(fd, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN); - if (ret < 0) { - pr_err("Failed to apply a boot config magic: %d\n", ret); - goto out; - } - ret = 0; + + /* To align up the total size to BOOTCONFIG_ALIGN, get padding size */ + total_size = stat.st_size + size + sizeof(u32) * 2 + BOOTCONFIG_MAGIC_LEN; + pad = ((total_size + BOOTCONFIG_ALIGN - 1) & (~BOOTCONFIG_ALIGN_MASK)) - total_size; + size += pad; + + /* Add a footer */ + p = data + size; + *(u32 *)p = htole32(size); + p += sizeof(u32); + + *(u32 *)p = htole32(csum); + p += sizeof(u32); + + memcpy(p, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN); + p += BOOTCONFIG_MAGIC_LEN; + + total_size = p - data; + + ret = write(fd, data, total_size); + if (ret < total_size) { + if (ret < 0) + ret = -errno; + pr_err("Failed to apply a boot config: %d\n", ret); + if (ret >= 0) + goto out_rollback; + } else + ret = 0; + out: close(fd); free(data); return ret; + +out_rollback: + /* Map the partial write to -ENOSPC */ + if (ret >= 0) + ret = -ENOSPC; + if (ftruncate(fd, stat.st_size) < 0) { + ret = -errno; + pr_err("Failed to rollback the write error: %d\n", ret); + pr_err("The initrd %s may be corrupted. Recommend to rebuild.\n", path); + } + goto out; } static int usage(void) diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh index d295e406a756..baed891d0ba4 100755 --- a/tools/bootconfig/test-bootconfig.sh +++ b/tools/bootconfig/test-bootconfig.sh @@ -9,6 +9,7 @@ else TESTDIR=. fi BOOTCONF=${TESTDIR}/bootconfig +ALIGN=4 INITRD=`mktemp ${TESTDIR}/initrd-XXXX` TEMPCONF=`mktemp ${TESTDIR}/temp-XXXX.bconf` @@ -59,7 +60,10 @@ echo "Show command test" xpass $BOOTCONF $INITRD echo "File size check" -xpass test $new_size -eq $(expr $bconf_size + $initrd_size + 9 + 12) +total_size=$(expr $bconf_size + $initrd_size + 9 + 12 + $ALIGN - 1 ) +total_size=$(expr $total_size / $ALIGN) +total_size=$(expr $total_size \* $ALIGN) +xpass test $new_size -eq $total_size echo "Apply command repeat test" xpass $BOOTCONF -a $TEMPCONF $INITRD diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index 94cd3bad5430..fe9e7b3a4b50 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -713,6 +713,7 @@ build_btf_type_table(struct btf_attach_table *tab, enum bpf_obj_type type, obj_node = calloc(1, sizeof(*obj_node)); if (!obj_node) { p_err("failed to allocate memory: %s", strerror(errno)); + err = -ENOMEM; goto err_free; } diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c index 910e7bac6e9e..3fae61ef6339 100644 --- a/tools/bpf/bpftool/net.c +++ b/tools/bpf/bpftool/net.c @@ -578,8 +578,8 @@ static int do_attach(int argc, char **argv) ifindex = net_parse_dev(&argc, &argv); if (ifindex < 1) { - close(progfd); - return -EINVAL; + err = -EINVAL; + goto cleanup; } if (argc) { @@ -587,8 +587,8 @@ static int do_attach(int argc, char **argv) overwrite = true; } else { p_err("expected 'overwrite', got: '%s'?", *argv); - close(progfd); - return -EINVAL; + err = -EINVAL; + goto cleanup; } } @@ -596,17 +596,17 @@ static int do_attach(int argc, char **argv) if (is_prefix("xdp", attach_type_strings[attach_type])) err = do_attach_detach_xdp(progfd, attach_type, ifindex, overwrite); - - if (err < 0) { + if (err) { p_err("interface %s attach failed: %s", attach_type_strings[attach_type], strerror(-err)); - return err; + goto cleanup; } if (json_output) jsonw_null(json_wtr); - - return 0; +cleanup: + close(progfd); + return err; } static int do_detach(int argc, char **argv) diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h index 781e482dc499..d208b2af697f 100644 --- a/tools/include/uapi/linux/if_link.h +++ b/tools/include/uapi/linux/if_link.h @@ -409,6 +409,8 @@ enum { IFLA_MACVLAN_MACADDR, IFLA_MACVLAN_MACADDR_DATA, IFLA_MACVLAN_MACADDR_COUNT, + IFLA_MACVLAN_BC_QUEUE_LEN, + IFLA_MACVLAN_BC_QUEUE_LEN_USED, __IFLA_MACVLAN_MAX, }; diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index 5f9abed3e226..55bd78b3496f 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -146,6 +146,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ sort -u | wc -l) VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ + sed 's/\[.*\]//' | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \ grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l) @@ -214,6 +215,7 @@ check_abi: $(OUTPUT)libbpf.so awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ sort -u > $(OUTPUT)libbpf_global_syms.tmp; \ readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \ + sed 's/\[.*\]//' | \ awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \ grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \ sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \ diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 912e01b946fe..9be88a90a4aa 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -578,8 +578,6 @@ bpf_object__init_prog(struct bpf_object *obj, struct bpf_program *prog, const char *name, size_t sec_idx, const char *sec_name, size_t sec_off, void *insn_data, size_t insn_data_sz) { - int i; - if (insn_data_sz == 0 || insn_data_sz % BPF_INSN_SZ || sec_off % BPF_INSN_SZ) { pr_warn("sec '%s': corrupted program '%s', offset %zu, size %zu\n", sec_name, name, sec_off, insn_data_sz); @@ -618,13 +616,6 @@ bpf_object__init_prog(struct bpf_object *obj, struct bpf_program *prog, goto errout; memcpy(prog->insns, insn_data, insn_data_sz); - for (i = 0; i < prog->insns_cnt; i++) { - if (insn_is_subprog_call(&prog->insns[i])) { - obj->has_subcalls = true; - break; - } - } - return 0; errout: pr_warn("sec '%s': failed to allocate memory for prog '%s'\n", sec_name, name); @@ -3298,7 +3289,19 @@ bpf_object__find_program_by_title(const struct bpf_object *obj, static bool prog_is_subprog(const struct bpf_object *obj, const struct bpf_program *prog) { - return prog->sec_idx == obj->efile.text_shndx && obj->has_subcalls; + /* For legacy reasons, libbpf supports an entry-point BPF programs + * without SEC() attribute, i.e., those in the .text section. But if + * there are 2 or more such programs in the .text section, they all + * must be subprograms called from entry-point BPF programs in + * designated SEC()'tions, otherwise there is no way to distinguish + * which of those programs should be loaded vs which are a subprogram. + * Similarly, if there is a function/program in .text and at least one + * other BPF program with custom SEC() attribute, then we just assume + * .text programs are subprograms (even if they are not called from + * other programs), because libbpf never explicitly supported mixing + * SEC()-designated BPF programs and .text entry-point BPF programs. + */ + return prog->sec_idx == obj->efile.text_shndx && obj->nr_programs > 1; } struct bpf_program * diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c index 4e40402a4f81..478078fb0f22 100644 --- a/tools/perf/arch/x86/tests/dwarf-unwind.c +++ b/tools/perf/arch/x86/tests/dwarf-unwind.c @@ -38,6 +38,13 @@ static int sample_ustack(struct perf_sample *sample, stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size; memcpy(buf, (void *) sp, stack_size); +#ifdef MEMORY_SANITIZER + /* + * Copying the stack may copy msan poison, avoid false positives in the + * unwinder by removing the poison here. + */ + __msan_unpoison(buf, stack_size); +#endif stack->data = (char *) buf; stack->size = stack_size; return 0; diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S index 9ad015a1e202..6eb45a2aa8db 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm.S +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -2,6 +2,9 @@ /* Various wrappers to make the kernel .S file build in user-space: */ +// memcpy_orig and memcpy_erms are being defined as SYM_L_LOCAL but we need it +#define SYM_FUNC_START_LOCAL(name) \ + SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) #define memcpy MEMCPY /* don't hide glibc's memcpy() */ #define altinstr_replacement text #define globl p2align 4; .globl diff --git a/tools/perf/bench/mem-memset-x86-64-asm.S b/tools/perf/bench/mem-memset-x86-64-asm.S index d550bd526162..6f093c483842 100644 --- a/tools/perf/bench/mem-memset-x86-64-asm.S +++ b/tools/perf/bench/mem-memset-x86-64-asm.S @@ -1,4 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ +// memset_orig and memset_erms are being defined as SYM_L_LOCAL but we need it +#define SYM_FUNC_START_LOCAL(name) \ + SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) #define memset MEMSET /* don't hide glibc's memset() */ #define altinstr_replacement text #define globl p2align 4; .globl diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 584e2e1a3793..cefc71506409 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -1222,8 +1222,10 @@ static int __cmd_diff(void) if (compute == COMPUTE_STREAM) { d->evlist_streams = evlist__create_streams( d->session->evlist, 5); - if (!d->evlist_streams) + if (!d->evlist_streams) { + ret = -ENOMEM; goto out_delete; + } } } diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 452a75fe68e5..0462dc8db2e3 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -779,25 +779,15 @@ static int __cmd_inject(struct perf_inject *inject) dsos__hit_all(session); /* * The AUX areas have been removed and replaced with - * synthesized hardware events, so clear the feature flag and - * remove the evsel. + * synthesized hardware events, so clear the feature flag. */ if (inject->itrace_synth_opts.set) { - struct evsel *evsel; - perf_header__clear_feat(&session->header, HEADER_AUXTRACE); if (inject->itrace_synth_opts.last_branch || inject->itrace_synth_opts.add_last_branch) perf_header__set_feat(&session->header, HEADER_BRANCH_STACK); - evsel = perf_evlist__id2evsel_strict(session->evlist, - inject->aux_id); - if (evsel) { - pr_debug("Deleting %s\n", evsel__name(evsel)); - evlist__remove(session->evlist, evsel); - evsel__delete(evsel); - } } session->header.data_offset = output_data_offset; session->header.data_size = inject->bytes_written; diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index f0a1dbacb46c..a2f1e53f37a7 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -406,7 +406,7 @@ static int report_lock_acquire_event(struct evsel *evsel, struct lock_seq_stat *seq; const char *name = evsel__strval(evsel, sample, "name"); u64 tmp = evsel__intval(evsel, sample, "lockdep_addr"); - int flag = evsel__intval(evsel, sample, "flag"); + int flag = evsel__intval(evsel, sample, "flags"); memcpy(&addr, &tmp, sizeof(void *)); @@ -621,7 +621,7 @@ static int report_lock_release_event(struct evsel *evsel, case SEQ_STATE_READ_ACQUIRED: seq->read_count--; BUG_ON(seq->read_count < 0); - if (!seq->read_count) { + if (seq->read_count) { ls->nr_release++; goto end; } diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh index 8d84fdbed6a6..18fde2f179cd 100755 --- a/tools/perf/tests/shell/test_arm_coresight.sh +++ b/tools/perf/tests/shell/test_arm_coresight.sh @@ -44,7 +44,7 @@ perf_script_branch_samples() { # touch 6512 1 branches:u: ffffb22082e0 strcmp+0xa0 (/lib/aarch64-linux-gnu/ld-2.27.so) # touch 6512 1 branches:u: ffffb2208320 strcmp+0xe0 (/lib/aarch64-linux-gnu/ld-2.27.so) perf script -F,-time -i ${perfdata} | \ - egrep " +$1 +[0-9]+ .* +branches:([u|k]:)? +" + egrep " +$1 +[0-9]+ .* +branches:(.*:)? +" } perf_report_branch_samples() { @@ -105,7 +105,7 @@ arm_cs_iterate_devices() { # `> device_name = 'tmc_etf0' device_name=$(basename $path) - if is_device_sink $path $devce_name; then + if is_device_sink $path $device_name; then record_touch_file $device_name $2 && perf_script_branch_samples touch && diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index aa898014ad12..7b2d471a6419 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -356,9 +356,25 @@ bool die_is_signed_type(Dwarf_Die *tp_die) bool die_is_func_def(Dwarf_Die *dw_die) { Dwarf_Attribute attr; + Dwarf_Addr addr = 0; + + if (dwarf_tag(dw_die) != DW_TAG_subprogram) + return false; + + if (dwarf_attr(dw_die, DW_AT_declaration, &attr)) + return false; - return (dwarf_tag(dw_die) == DW_TAG_subprogram && - dwarf_attr(dw_die, DW_AT_declaration, &attr) == NULL); + /* + * DW_AT_declaration can be lost from function declaration + * by gcc's bug #97060. + * So we need to check this subprogram DIE has DW_AT_inline + * or an entry address. + */ + if (!dwarf_attr(dw_die, DW_AT_inline, &attr) && + die_entrypc(dw_die, &addr) < 0) + return false; + + return true; } /** @@ -373,6 +389,7 @@ bool die_is_func_def(Dwarf_Die *dw_die) int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr) { Dwarf_Addr base, end; + Dwarf_Attribute attr; if (!addr) return -EINVAL; @@ -380,6 +397,13 @@ int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr) if (dwarf_entrypc(dw_die, addr) == 0) return 0; + /* + * Since the dwarf_ranges() will return 0 if there is no + * DW_AT_ranges attribute, we should check it first. + */ + if (!dwarf_attr(dw_die, DW_AT_ranges, &attr)) + return -ENOENT; + return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0; } diff --git a/tools/perf/util/hashmap.h b/tools/perf/util/hashmap.h index d9b385fe808c..10a4c4cd13cf 100644 --- a/tools/perf/util/hashmap.h +++ b/tools/perf/util/hashmap.h @@ -15,6 +15,9 @@ static inline size_t hash_bits(size_t h, int bits) { /* shuffle bits and return requested number of upper bits */ + if (bits == 0) + return 0; + #if (__SIZEOF_SIZE_T__ == __SIZEOF_LONG_LONG__) /* LP64 case */ return (h * 11400714819323198485llu) >> (__SIZEOF_LONG_LONG__ * 8 - bits); @@ -174,17 +177,17 @@ bool hashmap__find(const struct hashmap *map, const void *key, void **value); * @key: key to iterate entries for */ #define hashmap__for_each_key_entry(map, cur, _key) \ - for (cur = ({ size_t bkt = hash_bits(map->hash_fn((_key), map->ctx),\ - map->cap_bits); \ - map->buckets ? map->buckets[bkt] : NULL; }); \ + for (cur = map->buckets \ + ? map->buckets[hash_bits(map->hash_fn((_key), map->ctx), map->cap_bits)] \ + : NULL; \ cur; \ cur = cur->next) \ if (map->equal_fn(cur->key, (_key), map->ctx)) #define hashmap__for_each_key_entry_safe(map, cur, tmp, _key) \ - for (cur = ({ size_t bkt = hash_bits(map->hash_fn((_key), map->ctx),\ - map->cap_bits); \ - cur = map->buckets ? map->buckets[bkt] : NULL; }); \ + for (cur = map->buckets \ + ? map->buckets[hash_bits(map->hash_fn((_key), map->ctx), map->cap_bits)] \ + : NULL; \ cur && ({ tmp = cur->next; true; }); \ cur = tmp) \ if (map->equal_fn(cur->key, (_key), map->ctx)) diff --git a/tools/perf/util/include/linux/linkage.h b/tools/perf/util/include/linux/linkage.h index b8a5159361b4..5acf053fca7d 100644 --- a/tools/perf/util/include/linux/linkage.h +++ b/tools/perf/util/include/linux/linkage.h @@ -25,6 +25,7 @@ /* SYM_L_* -- linkage of symbols */ #define SYM_L_GLOBAL(name) .globl name +#define SYM_L_WEAK(name) .weak name #define SYM_L_LOCAL(name) /* nothing */ #define ALIGN __ALIGN @@ -84,6 +85,12 @@ SYM_END(name, SYM_T_FUNC) #endif +/* SYM_FUNC_START_WEAK -- use for weak functions */ +#ifndef SYM_FUNC_START_WEAK +#define SYM_FUNC_START_WEAK(name) \ + SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN) +#endif + /* * SYM_FUNC_END -- the end of SYM_FUNC_START_LOCAL, SYM_FUNC_START, * SYM_FUNC_START_WEAK, ... diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 2c4061035f77..76dd349aa48d 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1885,8 +1885,7 @@ static int line_range_search_cb(Dwarf_Die *sp_die, void *data) if (lr->file && strtailcmp(lr->file, dwarf_decl_file(sp_die))) return DWARF_CB_OK; - if (die_is_func_def(sp_die) && - die_match_name(sp_die, lr->function)) { + if (die_match_name(sp_die, lr->function) && die_is_func_def(sp_die)) { lf->fname = dwarf_decl_file(sp_die); dwarf_decl_line(sp_die, &lr->offset); pr_debug("fname: %s, lineno:%d\n", lf->fname, lr->offset); diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 4b57c0c07632..a963b5b8eb72 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -324,13 +324,10 @@ static int first_shadow_cpu(struct perf_stat_config *config, struct evlist *evlist = evsel->evlist; int i; - if (!config->aggr_get_id) - return 0; - if (config->aggr_mode == AGGR_NONE) return id; - if (config->aggr_mode == AGGR_GLOBAL) + if (!config->aggr_get_id) return 0; for (i = 0; i < evsel__nr_cpus(evsel); i++) { diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 8a23391558cf..d9c624377da7 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -563,6 +563,9 @@ int perf_event__synthesize_cgroups(struct perf_tool *tool, char cgrp_root[PATH_MAX]; size_t mount_len; /* length of mount point in the path */ + if (!tool || !tool->cgroup_events) + return 0; + if (cgroupfs_find_mountpoint(cgrp_root, PATH_MAX, "perf_event") < 0) { pr_debug("cannot find cgroup mount point\n"); return -1; diff --git a/tools/testing/kunit/.gitattributes b/tools/testing/kunit/.gitattributes deleted file mode 100644 index 5b7da1fc3b8f..000000000000 --- a/tools/testing/kunit/.gitattributes +++ /dev/null @@ -1 +0,0 @@ -test_data/* binary diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index ebf5f5763dee..d4f7846d0745 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -11,7 +11,6 @@ import argparse import sys import os import time -import shutil from collections import namedtuple from enum import Enum, auto @@ -44,11 +43,6 @@ class KunitStatus(Enum): BUILD_FAILURE = auto() TEST_FAILURE = auto() -def create_default_kunitconfig(): - if not os.path.exists(kunit_kernel.kunitconfig_path): - shutil.copyfile('arch/um/configs/kunit_defconfig', - kunit_kernel.kunitconfig_path) - def get_kernel_root_path(): parts = sys.argv[0] if not __file__ else __file__ parts = os.path.realpath(parts).split('tools/testing/kunit') @@ -61,7 +55,6 @@ def config_tests(linux: kunit_kernel.LinuxSourceTree, kunit_parser.print_with_timestamp('Configuring KUnit Kernel ...') config_start = time.time() - create_default_kunitconfig() success = linux.build_reconfig(request.build_dir, request.make_options) config_end = time.time() if not success: @@ -262,12 +255,12 @@ def main(argv, linux=None): if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() - if not linux: linux = kunit_kernel.LinuxSourceTree() + linux.create_kunitconfig(cli_args.build_dir) + linux.read_kunitconfig(cli_args.build_dir) + request = KunitRequest(cli_args.raw_output, cli_args.timeout, cli_args.jobs, @@ -283,12 +276,12 @@ def main(argv, linux=None): not os.path.exists(cli_args.build_dir)): os.mkdir(cli_args.build_dir) - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() - if not linux: linux = kunit_kernel.LinuxSourceTree() + linux.create_kunitconfig(cli_args.build_dir) + linux.read_kunitconfig(cli_args.build_dir) + request = KunitConfigRequest(cli_args.build_dir, cli_args.make_options) result = config_tests(linux, request) @@ -301,6 +294,9 @@ def main(argv, linux=None): if not linux: linux = kunit_kernel.LinuxSourceTree() + linux.create_kunitconfig(cli_args.build_dir) + linux.read_kunitconfig(cli_args.build_dir) + request = KunitBuildRequest(cli_args.jobs, cli_args.build_dir, cli_args.alltests, @@ -315,6 +311,9 @@ def main(argv, linux=None): if not linux: linux = kunit_kernel.LinuxSourceTree() + linux.create_kunitconfig(cli_args.build_dir) + linux.read_kunitconfig(cli_args.build_dir) + exec_request = KunitExecRequest(cli_args.timeout, cli_args.build_dir, cli_args.alltests) @@ -337,7 +336,7 @@ def main(argv, linux=None): kunit_output = f.read().splitlines() request = KunitParseRequest(cli_args.raw_output, kunit_output, - cli_args.build_dir, + None, cli_args.json) result = parse_tests(request) if result.status != KunitStatus.SUCCESS: diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py index b557b1e93f98..2e3cc0fac726 100644 --- a/tools/testing/kunit/kunit_kernel.py +++ b/tools/testing/kunit/kunit_kernel.py @@ -6,10 +6,10 @@ # Author: Felix Guo <felixguoxiuping@gmail.com> # Author: Brendan Higgins <brendanhiggins@google.com> - import logging import subprocess import os +import shutil import signal from contextlib import ExitStack @@ -18,8 +18,10 @@ import kunit_config import kunit_parser KCONFIG_PATH = '.config' -kunitconfig_path = '.kunitconfig' +KUNITCONFIG_PATH = '.kunitconfig' +DEFAULT_KUNITCONFIG_PATH = 'arch/um/configs/kunit_defconfig' BROKEN_ALLCONFIG_PATH = 'tools/testing/kunit/configs/broken_on_uml.config' +OUTFILE_PATH = 'test.log' class ConfigError(Exception): """Represents an error trying to configure the Linux kernel.""" @@ -82,36 +84,51 @@ class LinuxSourceTreeOperations(object): if build_dir: command += ['O=' + build_dir] try: - subprocess.check_output(command, stderr=subprocess.STDOUT) + proc = subprocess.Popen(command, + stderr=subprocess.PIPE, + stdout=subprocess.DEVNULL) except OSError as e: - raise BuildError('Could not call execute make: ' + str(e)) - except subprocess.CalledProcessError as e: - raise BuildError(e.output.decode()) - - def linux_bin(self, params, timeout, build_dir, outfile): + raise BuildError('Could not call make command: ' + str(e)) + _, stderr = proc.communicate() + if proc.returncode != 0: + raise BuildError(stderr.decode()) + if stderr: # likely only due to build warnings + print(stderr.decode()) + + def linux_bin(self, params, timeout, build_dir): """Runs the Linux UML binary. Must be named 'linux'.""" linux_bin = './linux' if build_dir: linux_bin = os.path.join(build_dir, 'linux') + outfile = get_outfile_path(build_dir) with open(outfile, 'w') as output: process = subprocess.Popen([linux_bin] + params, stdout=output, stderr=subprocess.STDOUT) process.wait(timeout) - def get_kconfig_path(build_dir): kconfig_path = KCONFIG_PATH if build_dir: kconfig_path = os.path.join(build_dir, KCONFIG_PATH) return kconfig_path +def get_kunitconfig_path(build_dir): + kunitconfig_path = KUNITCONFIG_PATH + if build_dir: + kunitconfig_path = os.path.join(build_dir, KUNITCONFIG_PATH) + return kunitconfig_path + +def get_outfile_path(build_dir): + outfile_path = OUTFILE_PATH + if build_dir: + outfile_path = os.path.join(build_dir, OUTFILE_PATH) + return outfile_path + class LinuxSourceTree(object): """Represents a Linux kernel source tree with KUnit tests.""" def __init__(self): - self._kconfig = kunit_config.Kconfig() - self._kconfig.read_from_file(kunitconfig_path) self._ops = LinuxSourceTreeOperations() signal.signal(signal.SIGINT, self.signal_handler) @@ -123,6 +140,16 @@ class LinuxSourceTree(object): return False return True + def create_kunitconfig(self, build_dir, defconfig=DEFAULT_KUNITCONFIG_PATH): + kunitconfig_path = get_kunitconfig_path(build_dir) + if not os.path.exists(kunitconfig_path): + shutil.copyfile(defconfig, kunitconfig_path) + + def read_kunitconfig(self, build_dir): + kunitconfig_path = get_kunitconfig_path(build_dir) + self._kconfig = kunit_config.Kconfig() + self._kconfig.read_from_file(kunitconfig_path) + def validate_config(self, build_dir): kconfig_path = get_kconfig_path(build_dir) validated_kconfig = kunit_config.Kconfig() @@ -178,8 +205,8 @@ class LinuxSourceTree(object): def run_kernel(self, args=[], build_dir='', timeout=None): args.extend(['mem=1G']) - outfile = 'test.log' - self._ops.linux_bin(args, timeout, build_dir, outfile) + self._ops.linux_bin(args, timeout, build_dir) + outfile = get_outfile_path(build_dir) subprocess.call(['stty', 'sane']) with open(outfile, 'r') as file: for line in file: diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py index 84a1af2581f5..bbfe1b4e4c1c 100644 --- a/tools/testing/kunit/kunit_parser.py +++ b/tools/testing/kunit/kunit_parser.py @@ -12,7 +12,7 @@ from collections import namedtuple from datetime import datetime from enum import Enum, auto from functools import reduce -from typing import List +from typing import List, Optional, Tuple TestResult = namedtuple('TestResult', ['status','suites','log']) @@ -54,6 +54,7 @@ kunit_end_re = re.compile('(List of all partitions:|' def isolate_kunit_output(kernel_output): started = False for line in kernel_output: + line = line.rstrip() # line always has a trailing \n if kunit_start_re.search(line): prefix_len = len(line.split('TAP version')[0]) started = True @@ -65,7 +66,7 @@ def isolate_kunit_output(kernel_output): def raw_output(kernel_output): for line in kernel_output: - print(line) + print(line.rstrip()) DIVIDER = '=' * 60 @@ -151,7 +152,7 @@ def parse_diagnostic(lines: List[str], test_case: TestCase) -> bool: else: return False -def parse_test_case(lines: List[str]) -> TestCase: +def parse_test_case(lines: List[str]) -> Optional[TestCase]: test_case = TestCase() save_non_diagnositic(lines, test_case) while parse_diagnostic(lines, test_case): @@ -163,7 +164,7 @@ def parse_test_case(lines: List[str]) -> TestCase: SUBTEST_HEADER = re.compile(r'^[\s]+# Subtest: (.*)$') -def parse_subtest_header(lines: List[str]) -> str: +def parse_subtest_header(lines: List[str]) -> Optional[str]: consume_non_diagnositic(lines) if not lines: return None @@ -176,7 +177,7 @@ def parse_subtest_header(lines: List[str]) -> str: SUBTEST_PLAN = re.compile(r'[\s]+[0-9]+\.\.([0-9]+)') -def parse_subtest_plan(lines: List[str]) -> int: +def parse_subtest_plan(lines: List[str]) -> Optional[int]: consume_non_diagnositic(lines) match = SUBTEST_PLAN.match(lines[0]) if match: @@ -230,7 +231,7 @@ def bubble_up_test_case_errors(test_suite: TestSuite) -> TestStatus: max_test_case_status = bubble_up_errors(lambda x: x.status, test_suite.cases) return max_status(max_test_case_status, test_suite.status) -def parse_test_suite(lines: List[str], expected_suite_index: int) -> TestSuite: +def parse_test_suite(lines: List[str], expected_suite_index: int) -> Optional[TestSuite]: if not lines: return None consume_non_diagnositic(lines) @@ -271,7 +272,7 @@ def parse_tap_header(lines: List[str]) -> bool: TEST_PLAN = re.compile(r'[0-9]+\.\.([0-9]+)') -def parse_test_plan(lines: List[str]) -> int: +def parse_test_plan(lines: List[str]) -> Optional[int]: consume_non_diagnositic(lines) match = TEST_PLAN.match(lines[0]) if match: @@ -310,7 +311,7 @@ def parse_test_result(lines: List[str]) -> TestResult: else: return TestResult(TestStatus.NO_TESTS, [], lines) -def print_and_count_results(test_result: TestResult) -> None: +def print_and_count_results(test_result: TestResult) -> Tuple[int, int, int]: total_tests = 0 failed_tests = 0 crashed_tests = 0 diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py index 0b60855fb819..497ab51bc170 100755 --- a/tools/testing/kunit/kunit_tool_test.py +++ b/tools/testing/kunit/kunit_tool_test.py @@ -102,7 +102,7 @@ class KUnitParserTest(unittest.TestCase): 'test_data/test_output_isolated_correctly.log') file = open(log_path) result = kunit_parser.isolate_kunit_output(file.readlines()) - self.assertContains('TAP version 14\n', result) + self.assertContains('TAP version 14', result) self.assertContains(' # Subtest: example', result) self.assertContains(' 1..2', result) self.assertContains(' ok 1 - example_simple_test', result) @@ -115,7 +115,7 @@ class KUnitParserTest(unittest.TestCase): 'test_data/test_pound_sign.log') with open(log_path) as file: result = kunit_parser.isolate_kunit_output(file.readlines()) - self.assertContains('TAP version 14\n', result) + self.assertContains('TAP version 14', result) self.assertContains(' # Subtest: kunit-resource-test', result) self.assertContains(' 1..5', result) self.assertContains(' ok 1 - kunit_resource_test_init_resources', result) diff --git a/tools/testing/scatterlist/linux/mm.h b/tools/testing/scatterlist/linux/mm.h index 6ae907f375d2..f9a12005fcea 100644 --- a/tools/testing/scatterlist/linux/mm.h +++ b/tools/testing/scatterlist/linux/mm.h @@ -33,6 +33,7 @@ typedef unsigned long dma_addr_t; #define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1) #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) diff --git a/tools/testing/scatterlist/main.c b/tools/testing/scatterlist/main.c index b2c7e9f7b8d3..f561aed7c657 100644 --- a/tools/testing/scatterlist/main.c +++ b/tools/testing/scatterlist/main.c @@ -52,9 +52,9 @@ int main(void) { const unsigned int sgmax = SCATTERLIST_MAX_SEGMENT; struct test *test, tests[] = { - { -EINVAL, 1, pfn(0), PAGE_SIZE, PAGE_SIZE + 1, 1 }, { -EINVAL, 1, pfn(0), PAGE_SIZE, 0, 1 }, - { -EINVAL, 1, pfn(0), PAGE_SIZE, sgmax + 1, 1 }, + { 0, 1, pfn(0), PAGE_SIZE, PAGE_SIZE + 1, 1 }, + { 0, 1, pfn(0), PAGE_SIZE, sgmax + 1, 1 }, { 0, 1, pfn(0), PAGE_SIZE, sgmax, 1 }, { 0, 1, pfn(0), 1, sgmax, 1 }, { 0, 2, pfn(0, 1), 2 * PAGE_SIZE, sgmax, 1 }, diff --git a/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c b/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c new file mode 100644 index 000000000000..e419298132b5 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include "test_probe_read_user_str.skel.h" + +static const char str1[] = "mestring"; +static const char str2[] = "mestringalittlebigger"; +static const char str3[] = "mestringblubblubblubblubblub"; + +static int test_one_str(struct test_probe_read_user_str *skel, const char *str, + size_t len) +{ + int err, duration = 0; + char buf[256]; + + /* Ensure bytes after string are ones */ + memset(buf, 1, sizeof(buf)); + memcpy(buf, str, len); + + /* Give prog our userspace pointer */ + skel->bss->user_ptr = buf; + + /* Trigger tracepoint */ + usleep(1); + + /* Did helper fail? */ + if (CHECK(skel->bss->ret < 0, "prog_ret", "prog returned: %ld\n", + skel->bss->ret)) + return 1; + + /* Check that string was copied correctly */ + err = memcmp(skel->bss->buf, str, len); + if (CHECK(err, "memcmp", "prog copied wrong string")) + return 1; + + /* Now check that no extra trailing bytes were copied */ + memset(buf, 0, sizeof(buf)); + err = memcmp(skel->bss->buf + len, buf, sizeof(buf) - len); + if (CHECK(err, "memcmp", "trailing bytes were not stripped")) + return 1; + + return 0; +} + +void test_probe_read_user_str(void) +{ + struct test_probe_read_user_str *skel; + int err, duration = 0; + + skel = test_probe_read_user_str__open_and_load(); + if (CHECK(!skel, "test_probe_read_user_str__open_and_load", + "skeleton open and load failed\n")) + return; + + /* Give pid to bpf prog so it doesn't read from anyone else */ + skel->bss->pid = getpid(); + + err = test_probe_read_user_str__attach(skel); + if (CHECK(err, "test_probe_read_user_str__attach", + "skeleton attach failed: %d\n", err)) + goto out; + + if (test_one_str(skel, str1, sizeof(str1))) + goto out; + if (test_one_str(skel, str2, sizeof(str2))) + goto out; + if (test_one_str(skel, str3, sizeof(str3))) + goto out; + +out: + test_probe_read_user_str__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c index 29188d6f5c8d..51fac975b316 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c @@ -138,7 +138,8 @@ static int run_getsockopt_test(struct bpf_object *obj, int cg_parent, */ buf = 0x40; - if (setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1) < 0) { + err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1); + if (err < 0) { log_err("Failed to call setsockopt(IP_TOS)"); goto detach; } diff --git a/tools/testing/selftests/bpf/prog_tests/subprogs.c b/tools/testing/selftests/bpf/prog_tests/subprogs.c index a00abf58c037..3f3d2ac4dd57 100644 --- a/tools/testing/selftests/bpf/prog_tests/subprogs.c +++ b/tools/testing/selftests/bpf/prog_tests/subprogs.c @@ -3,12 +3,14 @@ #include <test_progs.h> #include <time.h> #include "test_subprogs.skel.h" +#include "test_subprogs_unused.skel.h" static int duration; void test_subprogs(void) { struct test_subprogs *skel; + struct test_subprogs_unused *skel2; int err; skel = test_subprogs__open_and_load(); @@ -26,6 +28,10 @@ void test_subprogs(void) CHECK(skel->bss->res3 != 19, "res3", "got %d, exp %d\n", skel->bss->res3, 19); CHECK(skel->bss->res4 != 36, "res4", "got %d, exp %d\n", skel->bss->res4, 36); + skel2 = test_subprogs_unused__open_and_load(); + ASSERT_OK_PTR(skel2, "unused_progs_skel"); + test_subprogs_unused__destroy(skel2); + cleanup: test_subprogs__destroy(skel); } 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 193002b14d7f..32e4348b714b 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c +++ b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c @@ -60,6 +60,7 @@ void test_test_global_funcs(void) { "test_global_func5.o" , "expected pointer to ctx, but got PTR" }, { "test_global_func6.o" , "modified ctx ptr R2" }, { "test_global_func7.o" , "foo() doesn't return scalar" }, + { "test_global_func8.o" }, }; libbpf_print_fn_t old_print_fn = NULL; int err, i, duration = 0; diff --git a/tools/testing/selftests/bpf/progs/test_global_func8.c b/tools/testing/selftests/bpf/progs/test_global_func8.c new file mode 100644 index 000000000000..d55a6544b1ab --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_global_func8.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (c) 2020 Facebook */ +#include <stddef.h> +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +__noinline int foo(struct __sk_buff *skb) +{ + return bpf_get_prandom_u32(); +} + +SEC("cgroup_skb/ingress") +int test_cls(struct __sk_buff *skb) +{ + if (!foo(skb)) + return 0; + + return 1; +} diff --git a/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c b/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c new file mode 100644 index 000000000000..3ae398b75dcd --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +#include <sys/types.h> + +pid_t pid = 0; +long ret = 0; +void *user_ptr = 0; +char buf[256] = {}; + +SEC("tracepoint/syscalls/sys_enter_nanosleep") +int on_write(void *ctx) +{ + if (pid != (bpf_get_current_pid_tgid() >> 32)) + return 0; + + ret = bpf_probe_read_user_str(buf, sizeof(buf), user_ptr); + + return 0; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_subprogs_unused.c b/tools/testing/selftests/bpf/progs/test_subprogs_unused.c new file mode 100644 index 000000000000..bc49e050d342 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_subprogs_unused.c @@ -0,0 +1,21 @@ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_core_read.h> + +const char LICENSE[] SEC("license") = "GPL"; + +__attribute__((unused)) __noinline int unused1(int x) +{ + return x + 1; +} + +static __attribute__((unused)) __noinline int unused2(int x) +{ + return x + 2; +} + +SEC("raw_tp/sys_enter") +int main_prog(void *ctx) +{ + return 0; +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh index f5abb1ebd392..4029833f7e27 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh @@ -52,6 +52,7 @@ ALL_TESTS=" blackhole_route_test irif_disabled_test erif_disabled_test + blackhole_nexthop_test " NUM_NETIFS=4 @@ -647,6 +648,41 @@ erif_disabled_test() devlink_trap_action_set $trap_name "drop" } +__blackhole_nexthop_test() +{ + local flags=$1; shift + local subnet=$1; shift + local proto=$1; shift + local dip=$1; shift + local trap_name="blackhole_nexthop" + local mz_pid + + RET=0 + + ip -$flags nexthop add id 1 blackhole + ip -$flags route add $subnet nhid 1 + tc filter add dev $rp2 egress protocol $proto pref 1 handle 101 \ + flower skip_hw dst_ip $dip ip_proto udp action drop + + # Generate packets to the blackhole nexthop + $MZ $h1 -$flags -t udp "sp=54321,dp=12345" -c 0 -p 100 -b $rp1mac \ + -B $dip -d 1msec -q & + mz_pid=$! + + devlink_trap_drop_test $trap_name $rp2 101 + log_test "Blackhole nexthop: IPv$flags" + + devlink_trap_drop_cleanup $mz_pid $rp2 $proto 1 101 + ip -$flags route del $subnet + ip -$flags nexthop del id 1 +} + +blackhole_nexthop_test() +{ + __blackhole_nexthop_test "4" "198.51.100.0/30" "ip" $h2_ipv4 + __blackhole_nexthop_test "6" "2001:db8:2::/120" "ipv6" $h2_ipv6 +} + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/drivers/net/mlxsw/q_in_q_veto.sh b/tools/testing/selftests/drivers/net/mlxsw/q_in_q_veto.sh new file mode 100755 index 000000000000..7edaed8eb86a --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/q_in_q_veto.sh @@ -0,0 +1,296 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + create_8021ad_vlan_upper_on_top_front_panel_port + create_8021ad_vlan_upper_on_top_bridge_port + create_8021ad_vlan_upper_on_top_lag + create_8021ad_vlan_upper_on_top_bridge + create_8021ad_vlan_upper_on_top_8021ad_bridge + create_vlan_upper_on_top_8021ad_bridge + create_vlan_upper_on_top_front_panel_enslaved_to_8021ad_bridge + create_vlan_upper_on_top_lag_enslaved_to_8021ad_bridge + enslave_front_panel_with_vlan_upper_to_8021ad_bridge + enslave_lag_with_vlan_upper_to_8021ad_bridge + add_ip_address_to_8021ad_bridge + switch_bridge_protocol_from_8021q_to_8021ad +" +NUM_NETIFS=2 +source $lib_dir/lib.sh + +setup_prepare() +{ + swp1=${NETIFS[p1]} + swp2=${NETIFS[p2]} + + ip link set dev $swp1 up + ip link set dev $swp2 up + + sleep 10 +} + +cleanup() +{ + pre_cleanup + + ip link set dev $swp2 down + ip link set dev $swp1 down +} + +create_vlan_upper_on_top_of_bridge() +{ + RET=0 + + local bridge_proto=$1; shift + local netdev_proto=$1; shift + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol $bridge_proto vlan_default_pvid 0 mcast_snooping 0 + + ip link set dev br0 up + ip link set dev $swp1 master br0 + + ip link add name br0.100 link br0 type vlan \ + protocol $netdev_proto id 100 2>/dev/null + check_fail $? "$netdev_proto vlan upper creation on top of an $bridge_proto bridge not rejected" + + ip link add name br0.100 link br0 type vlan \ + protocol $netdev_proto id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "$netdev_proto vlan upper creation on top of an $bridge_proto bridge rejected without extack" + + log_test "create $netdev_proto vlan upper on top $bridge_proto bridge" + + ip link del dev br0 +} + +create_8021ad_vlan_upper_on_top_front_panel_port() +{ + RET=0 + + ip link add name $swp1.100 link $swp1 type vlan \ + protocol 802.1ad id 100 2>/dev/null + check_fail $? "802.1ad vlan upper creation on top of a front panel not rejected" + + ip link add name $swp1.100 link $swp1 type vlan \ + protocol 802.1ad id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "802.1ad vlan upper creation on top of a front panel rejected without extack" + + log_test "create 802.1ad vlan upper on top of a front panel" +} + +create_8021ad_vlan_upper_on_top_bridge_port() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_default_pvid 0 mcast_snooping 0 + + ip link set dev $swp1 master br0 + ip link set dev br0 up + + ip link add name $swp1.100 link $swp1 type vlan \ + protocol 802.1ad id 100 2>/dev/null + check_fail $? "802.1ad vlan upper creation on top of a bridge port not rejected" + + ip link add name $swp1.100 link $swp1 type vlan \ + protocol 802.1ad id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "802.1ad vlan upper creation on top of a bridge port rejected without extack" + + log_test "create 802.1ad vlan upper on top of a bridge port" + + ip link del dev br0 +} + +create_8021ad_vlan_upper_on_top_lag() +{ + RET=0 + + ip link add name bond1 type bond mode 802.3ad + ip link set dev $swp1 down + ip link set dev $swp1 master bond1 + + ip link add name bond1.100 link bond1 type vlan \ + protocol 802.1ad id 100 2>/dev/null + check_fail $? "802.1ad vlan upper creation on top of a lag not rejected" + + ip link add name bond1.100 link bond1 type vlan \ + protocol 802.1ad id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "802.1ad vlan upper creation on top of a lag rejected without extack" + + log_test "create 802.1ad vlan upper on top of a lag" + + ip link del dev bond1 +} + +create_8021ad_vlan_upper_on_top_bridge() +{ + RET=0 + + create_vlan_upper_on_top_of_bridge "802.1q" "802.1ad" +} + +create_8021ad_vlan_upper_on_top_8021ad_bridge() +{ + RET=0 + + create_vlan_upper_on_top_of_bridge "802.1ad" "802.1ad" +} + +create_vlan_upper_on_top_8021ad_bridge() +{ + RET=0 + + create_vlan_upper_on_top_of_bridge "802.1ad" "802.1q" +} + +create_vlan_upper_on_top_front_panel_enslaved_to_8021ad_bridge() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + ip link set dev br0 up + + ip link set dev $swp1 master br0 + + ip link add name $swp1.100 link $swp1 type vlan id 100 2>/dev/null + check_fail $? "vlan upper creation on top of front panel enslaved to 802.1ad bridge not rejected" + + ip link add name $swp1.100 link $swp1 type vlan id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "vlan upper creation on top of front panel enslaved to 802.1ad bridge rejected without extack" + + log_test "create vlan upper on top of front panel enslaved to 802.1ad bridge" + + ip link del dev br0 +} + +create_vlan_upper_on_top_lag_enslaved_to_8021ad_bridge() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + ip link set dev br0 up + + ip link add name bond1 type bond mode 802.3ad + ip link set dev $swp1 down + ip link set dev $swp1 master bond1 + ip link set dev bond1 master br0 + + ip link add name bond1.100 link bond1 type vlan id 100 2>/dev/null + check_fail $? "vlan upper creation on top of lag enslaved to 802.1ad bridge not rejected" + + ip link add name bond1.100 link bond1 type vlan id 100 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "vlan upper creation on top of lag enslaved to 802.1ad bridge rejected without extack" + + log_test "create vlan upper on top of lag enslaved to 802.1ad bridge" + + ip link del dev bond1 + ip link del dev br0 +} + +enslave_front_panel_with_vlan_upper_to_8021ad_bridge() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + ip link set dev br0 up + + ip link add name $swp1.100 link $swp1 type vlan id 100 + + ip link set dev $swp1 master br0 2>/dev/null + check_fail $? "front panel with vlan upper enslavemnt to 802.1ad bridge not rejected" + + ip link set dev $swp1 master br0 2>&1 >/dev/null | grep -q mlxsw_spectrum + check_err $? "front panel with vlan upper enslavemnt to 802.1ad bridge rejected without extack" + + log_test "enslave front panel with vlan upper to 802.1ad bridge" + + ip link del dev $swp1.100 + ip link del dev br0 +} + +enslave_lag_with_vlan_upper_to_8021ad_bridge() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + ip link set dev br0 up + + ip link add name bond1 type bond mode 802.3ad + ip link set dev $swp1 down + ip link set dev $swp1 master bond1 + ip link add name bond1.100 link bond1 type vlan id 100 + + ip link set dev bond1 master br0 2>/dev/null + check_fail $? "lag with vlan upper enslavemnt to 802.1ad bridge not rejected" + + ip link set dev bond1 master br0 2>&1 >/dev/null \ + | grep -q mlxsw_spectrum + check_err $? "lag with vlan upper enslavemnt to 802.1ad bridge rejected without extack" + + log_test "enslave lag with vlan upper to 802.1ad bridge" + + ip link del dev bond1 + ip link del dev br0 +} + + +add_ip_address_to_8021ad_bridge() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + + ip link set dev br0 up + ip link set dev $swp1 master br0 + + ip addr add dev br0 192.0.2.17/28 2>/dev/null + check_fail $? "IP address addition to 802.1ad bridge not rejected" + + ip addr add dev br0 192.0.2.17/28 2>&1 >/dev/null | grep -q mlxsw_spectrum + check_err $? "IP address addition to 802.1ad bridge rejected without extack" + + log_test "IP address addition to 802.1ad bridge" + + ip link del dev br0 +} + +switch_bridge_protocol_from_8021q_to_8021ad() +{ + RET=0 + + ip link add dev br0 type bridge vlan_filtering 1 \ + vlan_protocol 802.1ad vlan_default_pvid 0 mcast_snooping 0 + + ip link set dev br0 up + ip link set dev $swp1 master br0 + + ip link set dev br0 type bridge vlan_protocol 802.1q 2>/dev/null + check_fail $? "switching bridge protocol from 802.1q to 802.1ad not rejected" + + log_test "switch bridge protocol" + + ip link del dev br0 +} + + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh index f4031002d5e9..a2eff5f58209 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh @@ -29,6 +29,11 @@ ALL_TESTS=" bridge_extern_learn_test neigh_offload_test nexthop_offload_test + nexthop_obj_invalid_test + nexthop_obj_offload_test + nexthop_obj_group_offload_test + nexthop_obj_blackhole_offload_test + nexthop_obj_route_offload_test devlink_reload_test " NUM_NETIFS=2 @@ -674,6 +679,209 @@ nexthop_offload_test() sysctl_restore net.ipv6.conf.$swp2.keep_addr_on_down } +nexthop_obj_invalid_test() +{ + # Test that invalid nexthop object configurations are rejected + RET=0 + + simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64 + simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64 + setup_wait + + ip nexthop add id 1 via 192.0.2.3 fdb + check_fail $? "managed to configure an FDB nexthop when should not" + + ip nexthop add id 1 encap mpls 200/300 via 192.0.2.3 dev $swp1 + check_fail $? "managed to configure a nexthop with MPLS encap when should not" + + ip nexthop add id 1 dev $swp1 + ip nexthop add id 2 dev $swp1 + ip nexthop add id 10 group 1/2 + check_fail $? "managed to configure a nexthop group with device-only nexthops when should not" + + log_test "nexthop objects - invalid configurations" + + ip nexthop del id 2 + ip nexthop del id 1 + + simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64 + simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64 +} + +nexthop_obj_offload_test() +{ + # Test offload indication of nexthop objects + RET=0 + + simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64 + simple_if_init $swp2 + setup_wait + + ip nexthop add id 1 via 192.0.2.2 dev $swp1 + ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 1 + check_err $? "nexthop not marked as offloaded when should" + + ip neigh replace 192.0.2.2 nud failed dev $swp1 + busywait "$TIMEOUT" not wait_for_offload \ + ip nexthop show id 1 + check_err $? "nexthop marked as offloaded after setting neigh to failed state" + + ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 1 + check_err $? "nexthop not marked as offloaded after neigh replace" + + ip nexthop replace id 1 via 192.0.2.3 dev $swp1 + busywait "$TIMEOUT" not wait_for_offload \ + ip nexthop show id 1 + check_err $? "nexthop marked as offloaded after replacing to use an invalid address" + + ip nexthop replace id 1 via 192.0.2.2 dev $swp1 + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 1 + check_err $? "nexthop not marked as offloaded after replacing to use a valid address" + + log_test "nexthop objects offload indication" + + ip neigh del 192.0.2.2 dev $swp1 + ip nexthop del id 1 + + simple_if_fini $swp2 + simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64 +} + +nexthop_obj_group_offload_test() +{ + # Test offload indication of nexthop group objects + RET=0 + + simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64 + simple_if_init $swp2 + setup_wait + + ip nexthop add id 1 via 192.0.2.2 dev $swp1 + ip nexthop add id 2 via 2001:db8:1::2 dev $swp1 + ip nexthop add id 10 group 1/2 + ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + ip neigh replace 192.0.2.3 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + ip neigh replace 2001:db8:1::2 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 1 + check_err $? "IPv4 nexthop not marked as offloaded when should" + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 2 + check_err $? "IPv6 nexthop not marked as offloaded when should" + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 10 + check_err $? "nexthop group not marked as offloaded when should" + + # Invalidate nexthop id 1 + ip neigh replace 192.0.2.2 nud failed dev $swp1 + busywait "$TIMEOUT" not wait_for_offload \ + ip nexthop show id 10 + check_fail $? "nexthop group not marked as offloaded with one valid nexthop" + + # Invalidate nexthop id 2 + ip neigh replace 2001:db8:1::2 nud failed dev $swp1 + busywait "$TIMEOUT" not wait_for_offload \ + ip nexthop show id 10 + check_err $? "nexthop group marked as offloaded when should not" + + # Revalidate nexthop id 1 + ip nexthop replace id 1 via 192.0.2.3 dev $swp1 + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 10 + check_err $? "nexthop group not marked as offloaded after revalidating nexthop" + + log_test "nexthop group objects offload indication" + + ip neigh del 2001:db8:1::2 dev $swp1 + ip neigh del 192.0.2.3 dev $swp1 + ip neigh del 192.0.2.2 dev $swp1 + ip nexthop del id 10 + ip nexthop del id 2 + ip nexthop del id 1 + + simple_if_fini $swp2 + simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64 +} + +nexthop_obj_blackhole_offload_test() +{ + # Test offload indication of blackhole nexthop objects + RET=0 + + ip nexthop add id 1 blackhole + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 1 + check_err $? "Blackhole nexthop not marked as offloaded when should" + + ip nexthop add id 10 group 1 + busywait "$TIMEOUT" wait_for_offload \ + ip nexthop show id 10 + check_err $? "Nexthop group not marked as offloaded when should" + + log_test "blackhole nexthop objects offload indication" + + ip nexthop del id 10 + ip nexthop del id 1 +} + +nexthop_obj_route_offload_test() +{ + # Test offload indication of routes using nexthop objects + RET=0 + + simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64 + simple_if_init $swp2 + setup_wait + + ip nexthop add id 1 via 192.0.2.2 dev $swp1 + ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + ip neigh replace 192.0.2.3 lladdr 00:11:22:33:44:55 nud reachable \ + dev $swp1 + + ip route replace 198.51.100.0/24 nhid 1 + busywait "$TIMEOUT" wait_for_offload \ + ip route show 198.51.100.0/24 + check_err $? "route not marked as offloaded when using valid nexthop" + + ip nexthop replace id 1 via 192.0.2.3 dev $swp1 + busywait "$TIMEOUT" wait_for_offload \ + ip route show 198.51.100.0/24 + check_err $? "route not marked as offloaded after replacing valid nexthop with a valid one" + + ip nexthop replace id 1 via 192.0.2.4 dev $swp1 + busywait "$TIMEOUT" not wait_for_offload \ + ip route show 198.51.100.0/24 + check_err $? "route marked as offloaded after replacing valid nexthop with an invalid one" + + ip nexthop replace id 1 via 192.0.2.2 dev $swp1 + busywait "$TIMEOUT" wait_for_offload \ + ip route show 198.51.100.0/24 + check_err $? "route not marked as offloaded after replacing invalid nexthop with a valid one" + + log_test "routes using nexthop objects offload indication" + + ip route del 198.51.100.0/24 + ip neigh del 192.0.2.3 dev $swp1 + ip neigh del 192.0.2.2 dev $swp1 + ip nexthop del id 1 + + simple_if_fini $swp2 + simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64 +} + devlink_reload_test() { # Test that after executing all the above configuration tests, a diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-coalesce.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-coalesce.sh new file mode 100755 index 000000000000..9adfba8f87e6 --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-coalesce.sh @@ -0,0 +1,132 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only + +source ethtool-common.sh + +function get_value { + local query="${SETTINGS_MAP[$1]}" + + echo $(ethtool -c $NSIM_NETDEV | \ + awk -F':' -v pattern="$query:" '$0 ~ pattern {gsub(/[ \t]/, "", $2); print $2}') +} + +function update_current_settings { + for key in ${!SETTINGS_MAP[@]}; do + CURRENT_SETTINGS[$key]=$(get_value $key) + done + echo ${CURRENT_SETTINGS[@]} +} + +if ! ethtool -h | grep -q coalesce; then + echo "SKIP: No --coalesce support in ethtool" + exit 4 +fi + +NSIM_NETDEV=$(make_netdev) + +set -o pipefail + +declare -A SETTINGS_MAP=( + ["rx-frames-low"]="rx-frame-low" + ["tx-frames-low"]="tx-frame-low" + ["rx-frames-high"]="rx-frame-high" + ["tx-frames-high"]="tx-frame-high" + ["rx-usecs"]="rx-usecs" + ["rx-frames"]="rx-frames" + ["rx-usecs-irq"]="rx-usecs-irq" + ["rx-frames-irq"]="rx-frames-irq" + ["tx-usecs"]="tx-usecs" + ["tx-frames"]="tx-frames" + ["tx-usecs-irq"]="tx-usecs-irq" + ["tx-frames-irq"]="tx-frames-irq" + ["stats-block-usecs"]="stats-block-usecs" + ["pkt-rate-low"]="pkt-rate-low" + ["rx-usecs-low"]="rx-usecs-low" + ["tx-usecs-low"]="tx-usecs-low" + ["pkt-rate-high"]="pkt-rate-high" + ["rx-usecs-high"]="rx-usecs-high" + ["tx-usecs-high"]="tx-usecs-high" + ["sample-interval"]="sample-interval" +) + +declare -A CURRENT_SETTINGS=( + ["rx-frames-low"]="" + ["tx-frames-low"]="" + ["rx-frames-high"]="" + ["tx-frames-high"]="" + ["rx-usecs"]="" + ["rx-frames"]="" + ["rx-usecs-irq"]="" + ["rx-frames-irq"]="" + ["tx-usecs"]="" + ["tx-frames"]="" + ["tx-usecs-irq"]="" + ["tx-frames-irq"]="" + ["stats-block-usecs"]="" + ["pkt-rate-low"]="" + ["rx-usecs-low"]="" + ["tx-usecs-low"]="" + ["pkt-rate-high"]="" + ["rx-usecs-high"]="" + ["tx-usecs-high"]="" + ["sample-interval"]="" +) + +declare -A EXPECTED_SETTINGS=( + ["rx-frames-low"]="" + ["tx-frames-low"]="" + ["rx-frames-high"]="" + ["tx-frames-high"]="" + ["rx-usecs"]="" + ["rx-frames"]="" + ["rx-usecs-irq"]="" + ["rx-frames-irq"]="" + ["tx-usecs"]="" + ["tx-frames"]="" + ["tx-usecs-irq"]="" + ["tx-frames-irq"]="" + ["stats-block-usecs"]="" + ["pkt-rate-low"]="" + ["rx-usecs-low"]="" + ["tx-usecs-low"]="" + ["pkt-rate-high"]="" + ["rx-usecs-high"]="" + ["tx-usecs-high"]="" + ["sample-interval"]="" +) + +# populate the expected settings map +for key in ${!SETTINGS_MAP[@]}; do + EXPECTED_SETTINGS[$key]=$(get_value $key) +done + +# test +for key in ${!SETTINGS_MAP[@]}; do + value=$((RANDOM % $((2**32-1)))) + + ethtool -C $NSIM_NETDEV "$key" "$value" + + EXPECTED_SETTINGS[$key]="$value" + expected=${EXPECTED_SETTINGS[@]} + current=$(update_current_settings) + + check $? "$current" "$expected" + set +x +done + +# bool settings which ethtool displays on the same line +ethtool -C $NSIM_NETDEV adaptive-rx on +s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on TX: off") +check $? "$s" "" + +ethtool -C $NSIM_NETDEV adaptive-tx on +s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on TX: on") +check $? "$s" "" + +if [ $num_errors -eq 0 ]; then + echo "PASSED all $((num_passes)) checks" + exit 0 +else + echo "FAILED $num_errors/$((num_errors+num_passes)) checks" + exit 1 +fi diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh new file mode 100644 index 000000000000..9f64d5c7107b --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh @@ -0,0 +1,53 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only + +NSIM_ID=$((RANDOM % 1024)) +NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID +NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0 +NSIM_NETDEV= +num_passes=0 +num_errors=0 + +function cleanup_nsim { + if [ -e $NSIM_DEV_SYS ]; then + echo $NSIM_ID > /sys/bus/netdevsim/del_device + fi +} + +function cleanup { + cleanup_nsim +} + +trap cleanup EXIT + +function check { + local code=$1 + local str=$2 + local exp_str=$3 + + if [ $code -ne 0 ]; then + ((num_errors++)) + return + fi + + if [ "$str" != "$exp_str" ]; then + echo -e "Expected: '$exp_str', got '$str'" + ((num_errors++)) + return + fi + + ((num_passes++)) +} + +function make_netdev { + # Make a netdevsim + old_netdevs=$(ls /sys/class/net) + + if ! $(lsmod | grep -q netdevsim); then + modprobe netdevsim + fi + + echo $NSIM_ID > /sys/bus/netdevsim/new_device + # get new device name + ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net/ +} diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh index 25c896b9e2eb..b4a7abfe5454 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh @@ -1,60 +1,7 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0-only -NSIM_ID=$((RANDOM % 1024)) -NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID -NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0 -NSIM_NETDEV= -num_passes=0 -num_errors=0 - -function cleanup_nsim { - if [ -e $NSIM_DEV_SYS ]; then - echo $NSIM_ID > /sys/bus/netdevsim/del_device - fi -} - -function cleanup { - cleanup_nsim -} - -trap cleanup EXIT - -function get_netdev_name { - local -n old=$1 - - new=$(ls /sys/class/net) - - for netdev in $new; do - for check in $old; do - [ $netdev == $check ] && break - done - - if [ $netdev != $check ]; then - echo $netdev - break - fi - done -} - -function check { - local code=$1 - local str=$2 - local exp_str=$3 - - if [ $code -ne 0 ]; then - ((num_errors++)) - return - fi - - if [ "$str" != "$exp_str" ]; then - echo -e "Expected: '$exp_str', got '$str'" - ((num_errors++)) - return - fi - - ((num_passes++)) -} +source ethtool-common.sh # Bail if ethtool is too old if ! ethtool -h | grep include-stat 2>&1 >/dev/null; then @@ -62,13 +9,7 @@ if ! ethtool -h | grep include-stat 2>&1 >/dev/null; then exit 4 fi -# Make a netdevsim -old_netdevs=$(ls /sys/class/net) - -modprobe netdevsim -echo $NSIM_ID > /sys/bus/netdevsim/new_device - -NSIM_NETDEV=`get_netdev_name old_netdevs` +NSIM_NETDEV=$(make_netdev) set -o pipefail diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-ring.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-ring.sh new file mode 100755 index 000000000000..c969559ffa7a --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-ring.sh @@ -0,0 +1,85 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only + +source ethtool-common.sh + +function get_value { + local query="${SETTINGS_MAP[$1]}" + + echo $(ethtool -g $NSIM_NETDEV | \ + tail -n +$CURR_SETT_LINE | \ + awk -F':' -v pattern="$query:" '$0 ~ pattern {gsub(/[\t ]/, "", $2); print $2}') +} + +function update_current_settings { + for key in ${!SETTINGS_MAP[@]}; do + CURRENT_SETTINGS[$key]=$(get_value $key) + done + echo ${CURRENT_SETTINGS[@]} +} + +if ! ethtool -h | grep -q set-ring >/dev/null; then + echo "SKIP: No --set-ring support in ethtool" + exit 4 +fi + +NSIM_NETDEV=$(make_netdev) + +set -o pipefail + +declare -A SETTINGS_MAP=( + ["rx"]="RX" + ["rx-mini"]="RX Mini" + ["rx-jumbo"]="RX Jumbo" + ["tx"]="TX" +) + +declare -A EXPECTED_SETTINGS=( + ["rx"]="" + ["rx-mini"]="" + ["rx-jumbo"]="" + ["tx"]="" +) + +declare -A CURRENT_SETTINGS=( + ["rx"]="" + ["rx-mini"]="" + ["rx-jumbo"]="" + ["tx"]="" +) + +MAX_VALUE=$((RANDOM % $((2**32-1)))) +RING_MAX_LIST=$(ls $NSIM_DEV_DFS/ethtool/ring/) + +for ring_max_entry in $RING_MAX_LIST; do + echo $MAX_VALUE > $NSIM_DEV_DFS/ethtool/ring/$ring_max_entry +done + +CURR_SETT_LINE=$(ethtool -g $NSIM_NETDEV | grep -i -m1 -n 'Current hardware settings' | cut -f1 -d:) + +# populate the expected settings map +for key in ${!SETTINGS_MAP[@]}; do + EXPECTED_SETTINGS[$key]=$(get_value $key) +done + +# test +for key in ${!SETTINGS_MAP[@]}; do + value=$((RANDOM % $MAX_VALUE)) + + ethtool -G $NSIM_NETDEV "$key" "$value" + + EXPECTED_SETTINGS[$key]="$value" + expected=${EXPECTED_SETTINGS[@]} + current=$(update_current_settings) + + check $? "$current" "$expected" + set +x +done + +if [ $num_errors -eq 0 ]; then + echo "PASSED all $((num_passes)) checks" + exit 0 +else + echo "FAILED $num_errors/$((num_errors+num_passes)) checks" + exit 1 +fi diff --git a/tools/testing/selftests/net/forwarding/gre_multipath_nh.sh b/tools/testing/selftests/net/forwarding/gre_multipath_nh.sh new file mode 100755 index 000000000000..d03aa2cab9fd --- /dev/null +++ b/tools/testing/selftests/net/forwarding/gre_multipath_nh.sh @@ -0,0 +1,356 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Test traffic distribution when a wECMP route forwards traffic to two GRE +# tunnels. +# +# +-------------------------+ +# | H1 | +# | $h1 + | +# | 192.0.2.1/28 | | +# | 2001:db8:1::1/64 | | +# +-------------------|-----+ +# | +# +-------------------|------------------------+ +# | SW1 | | +# | $ol1 + | +# | 192.0.2.2/28 | +# | 2001:db8:1::2/64 | +# | | +# | + g1a (gre) + g1b (gre) | +# | loc=192.0.2.65 loc=192.0.2.81 | +# | rem=192.0.2.66 --. rem=192.0.2.82 --. | +# | tos=inherit | tos=inherit | | +# | .------------------' | | +# | | .------------------' | +# | v v | +# | + $ul1.111 (vlan) + $ul1.222 (vlan) | +# | | 192.0.2.129/28 | 192.0.2.145/28 | +# | \ / | +# | \________________/ | +# | | | +# | + $ul1 | +# +------------|-------------------------------+ +# | +# +------------|-------------------------------+ +# | SW2 + $ul2 | +# | _______|________ | +# | / \ | +# | / \ | +# | + $ul2.111 (vlan) + $ul2.222 (vlan) | +# | ^ 192.0.2.130/28 ^ 192.0.2.146/28 | +# | | | | +# | | '------------------. | +# | '------------------. | | +# | + g2a (gre) | + g2b (gre) | | +# | loc=192.0.2.66 | loc=192.0.2.82 | | +# | rem=192.0.2.65 --' rem=192.0.2.81 --' | +# | tos=inherit tos=inherit | +# | | +# | $ol2 + | +# | 192.0.2.17/28 | | +# | 2001:db8:2::1/64 | | +# +-------------------|------------------------+ +# | +# +-------------------|-----+ +# | H2 | | +# | $h2 + | +# | 192.0.2.18/28 | +# | 2001:db8:2::2/64 | +# +-------------------------+ + +ALL_TESTS=" + ping_ipv4 + ping_ipv6 + multipath_ipv4 + multipath_ipv6 + multipath_ipv6_l4 +" + +NUM_NETIFS=6 +source lib.sh + +h1_create() +{ + simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64 + ip route add vrf v$h1 192.0.2.16/28 via 192.0.2.2 + ip route add vrf v$h1 2001:db8:2::/64 via 2001:db8:1::2 +} + +h1_destroy() +{ + ip route del vrf v$h1 2001:db8:2::/64 via 2001:db8:1::2 + ip route del vrf v$h1 192.0.2.16/28 via 192.0.2.2 + simple_if_fini $h1 192.0.2.1/28 +} + +sw1_create() +{ + simple_if_init $ol1 192.0.2.2/28 2001:db8:1::2/64 + __simple_if_init $ul1 v$ol1 + vlan_create $ul1 111 v$ol1 192.0.2.129/28 + vlan_create $ul1 222 v$ol1 192.0.2.145/28 + + tunnel_create g1a gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1 + __simple_if_init g1a v$ol1 192.0.2.65/32 + ip route add vrf v$ol1 192.0.2.66/32 via 192.0.2.130 + + tunnel_create g1b gre 192.0.2.81 192.0.2.82 tos inherit dev v$ol1 + __simple_if_init g1b v$ol1 192.0.2.81/32 + ip route add vrf v$ol1 192.0.2.82/32 via 192.0.2.146 + + ip -6 nexthop add id 101 dev g1a + ip -6 nexthop add id 102 dev g1b + ip nexthop add id 103 group 101/102 + + ip route add vrf v$ol1 192.0.2.16/28 nhid 103 + ip route add vrf v$ol1 2001:db8:2::/64 nhid 103 +} + +sw1_destroy() +{ + ip route del vrf v$ol1 2001:db8:2::/64 + ip route del vrf v$ol1 192.0.2.16/28 + + ip nexthop del id 103 + ip -6 nexthop del id 102 + ip -6 nexthop del id 101 + + ip route del vrf v$ol1 192.0.2.82/32 via 192.0.2.146 + __simple_if_fini g1b 192.0.2.81/32 + tunnel_destroy g1b + + ip route del vrf v$ol1 192.0.2.66/32 via 192.0.2.130 + __simple_if_fini g1a 192.0.2.65/32 + tunnel_destroy g1a + + vlan_destroy $ul1 222 + vlan_destroy $ul1 111 + __simple_if_fini $ul1 + simple_if_fini $ol1 192.0.2.2/28 2001:db8:1::2/64 +} + +sw2_create() +{ + simple_if_init $ol2 192.0.2.17/28 2001:db8:2::1/64 + __simple_if_init $ul2 v$ol2 + vlan_create $ul2 111 v$ol2 192.0.2.130/28 + vlan_create $ul2 222 v$ol2 192.0.2.146/28 + + tunnel_create g2a gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol2 + __simple_if_init g2a v$ol2 192.0.2.66/32 + ip route add vrf v$ol2 192.0.2.65/32 via 192.0.2.129 + + tunnel_create g2b gre 192.0.2.82 192.0.2.81 tos inherit dev v$ol2 + __simple_if_init g2b v$ol2 192.0.2.82/32 + ip route add vrf v$ol2 192.0.2.81/32 via 192.0.2.145 + + ip -6 nexthop add id 201 dev g2a + ip -6 nexthop add id 202 dev g2b + ip nexthop add id 203 group 201/202 + + ip route add vrf v$ol2 192.0.2.0/28 nhid 203 + ip route add vrf v$ol2 2001:db8:1::/64 nhid 203 + + tc qdisc add dev $ul2 clsact + tc filter add dev $ul2 ingress pref 111 prot 802.1Q \ + flower vlan_id 111 action pass + tc filter add dev $ul2 ingress pref 222 prot 802.1Q \ + flower vlan_id 222 action pass +} + +sw2_destroy() +{ + tc qdisc del dev $ul2 clsact + + ip route del vrf v$ol2 2001:db8:1::/64 + ip route del vrf v$ol2 192.0.2.0/28 + + ip nexthop del id 203 + ip -6 nexthop del id 202 + ip -6 nexthop del id 201 + + ip route del vrf v$ol2 192.0.2.81/32 via 192.0.2.145 + __simple_if_fini g2b 192.0.2.82/32 + tunnel_destroy g2b + + ip route del vrf v$ol2 192.0.2.65/32 via 192.0.2.129 + __simple_if_fini g2a 192.0.2.66/32 + tunnel_destroy g2a + + vlan_destroy $ul2 222 + vlan_destroy $ul2 111 + __simple_if_fini $ul2 + simple_if_fini $ol2 192.0.2.17/28 2001:db8:2::1/64 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.18/28 2001:db8:2::2/64 + ip route add vrf v$h2 192.0.2.0/28 via 192.0.2.17 + ip route add vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1 +} + +h2_destroy() +{ + ip route del vrf v$h2 2001:db8:1::/64 via 2001:db8:2::1 + ip route del vrf v$h2 192.0.2.0/28 via 192.0.2.17 + simple_if_fini $h2 192.0.2.18/28 2001:db8:2::2/64 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + ol1=${NETIFS[p2]} + + ul1=${NETIFS[p3]} + ul2=${NETIFS[p4]} + + ol2=${NETIFS[p5]} + h2=${NETIFS[p6]} + + vrf_prepare + h1_create + sw1_create + sw2_create + h2_create + + forwarding_enable +} + +cleanup() +{ + pre_cleanup + + forwarding_restore + + h2_destroy + sw2_destroy + sw1_destroy + h1_destroy + vrf_cleanup +} + +multipath4_test() +{ + local what=$1; shift + local weight1=$1; shift + local weight2=$1; shift + + sysctl_set net.ipv4.fib_multipath_hash_policy 1 + ip nexthop replace id 103 group 101,$weight1/102,$weight2 + + local t0_111=$(tc_rule_stats_get $ul2 111 ingress) + local t0_222=$(tc_rule_stats_get $ul2 222 ingress) + + ip vrf exec v$h1 \ + $MZ $h1 -q -p 64 -A 192.0.2.1 -B 192.0.2.18 \ + -d 1msec -t udp "sp=1024,dp=0-32768" + + local t1_111=$(tc_rule_stats_get $ul2 111 ingress) + local t1_222=$(tc_rule_stats_get $ul2 222 ingress) + + local d111=$((t1_111 - t0_111)) + local d222=$((t1_222 - t0_222)) + multipath_eval "$what" $weight1 $weight2 $d111 $d222 + + ip nexthop replace id 103 group 101/102 + sysctl_restore net.ipv4.fib_multipath_hash_policy +} + +multipath6_test() +{ + local what=$1; shift + local weight1=$1; shift + local weight2=$1; shift + + sysctl_set net.ipv6.fib_multipath_hash_policy 0 + ip nexthop replace id 103 group 101,$weight1/102,$weight2 + + local t0_111=$(tc_rule_stats_get $ul2 111 ingress) + local t0_222=$(tc_rule_stats_get $ul2 222 ingress) + + # Generate 16384 echo requests, each with a random flow label. + for ((i=0; i < 16384; ++i)); do + ip vrf exec v$h1 $PING6 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null + done + + local t1_111=$(tc_rule_stats_get $ul2 111 ingress) + local t1_222=$(tc_rule_stats_get $ul2 222 ingress) + + local d111=$((t1_111 - t0_111)) + local d222=$((t1_222 - t0_222)) + multipath_eval "$what" $weight1 $weight2 $d111 $d222 + + ip nexthop replace id 103 group 101/102 + sysctl_restore net.ipv6.fib_multipath_hash_policy +} + +multipath6_l4_test() +{ + local what=$1; shift + local weight1=$1; shift + local weight2=$1; shift + + sysctl_set net.ipv6.fib_multipath_hash_policy 1 + ip nexthop replace id 103 group 101,$weight1/102,$weight2 + + local t0_111=$(tc_rule_stats_get $ul2 111 ingress) + local t0_222=$(tc_rule_stats_get $ul2 222 ingress) + + ip vrf exec v$h1 \ + $MZ $h1 -6 -q -p 64 -A 2001:db8:1::1 -B 2001:db8:2::2 \ + -d 1msec -t udp "sp=1024,dp=0-32768" + + local t1_111=$(tc_rule_stats_get $ul2 111 ingress) + local t1_222=$(tc_rule_stats_get $ul2 222 ingress) + + local d111=$((t1_111 - t0_111)) + local d222=$((t1_222 - t0_222)) + multipath_eval "$what" $weight1 $weight2 $d111 $d222 + + ip nexthop replace id 103 group 101/102 + sysctl_restore net.ipv6.fib_multipath_hash_policy +} + +ping_ipv4() +{ + ping_test $h1 192.0.2.18 +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:2::2 +} + +multipath_ipv4() +{ + log_info "Running IPv4 multipath tests" + multipath4_test "ECMP" 1 1 + multipath4_test "Weighted MP 2:1" 2 1 + multipath4_test "Weighted MP 11:45" 11 45 +} + +multipath_ipv6() +{ + log_info "Running IPv6 multipath tests" + multipath6_test "ECMP" 1 1 + multipath6_test "Weighted MP 2:1" 2 1 + multipath6_test "Weighted MP 11:45" 11 45 +} + +multipath_ipv6_l4() +{ + log_info "Running IPv6 L4 hash multipath tests" + multipath6_l4_test "ECMP" 1 1 + multipath6_l4_test "Weighted MP 2:1" 2 1 + multipath6_l4_test "Weighted MP 11:45" 11 45 +} + +trap cleanup EXIT + +setup_prepare +setup_wait +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh index cf3d26c233e8..388e4492b81b 100755 --- a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh +++ b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh @@ -1,7 +1,13 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 -ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test" +ALL_TESTS=" + ping_ipv4 + ping_ipv6 + multipath_test + ping_ipv4_blackhole + ping_ipv6_blackhole +" NUM_NETIFS=8 source lib.sh @@ -280,6 +286,17 @@ multipath_test() multipath4_test "Weighted MP 2:1" 2 1 multipath4_test "Weighted MP 11:45" 11 45 + log_info "Running IPv4 multipath tests with IPv6 link-local nexthops" + ip nexthop replace id 101 via fe80:2::22 dev $rp12 + ip nexthop replace id 102 via fe80:3::23 dev $rp13 + + multipath4_test "ECMP" 1 1 + multipath4_test "Weighted MP 2:1" 2 1 + multipath4_test "Weighted MP 11:45" 11 45 + + ip nexthop replace id 102 via 169.254.3.23 dev $rp13 + ip nexthop replace id 101 via 169.254.2.22 dev $rp12 + log_info "Running IPv6 multipath tests" multipath6_test "ECMP" 1 1 multipath6_test "Weighted MP 2:1" 2 1 @@ -291,6 +308,56 @@ multipath_test() multipath6_l4_test "Weighted MP 11:45" 11 45 } +ping_ipv4_blackhole() +{ + RET=0 + + ip nexthop add id 1001 blackhole + ip nexthop add id 1002 group 1001 + + ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 1001 + ping_do $h1 198.51.100.2 + check_fail $? "ping did not fail when using a blackhole nexthop" + + ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 1002 + ping_do $h1 198.51.100.2 + check_fail $? "ping did not fail when using a blackhole nexthop group" + + ip route replace 198.51.100.0/24 vrf vrf-r1 nhid 103 + ping_do $h1 198.51.100.2 + check_err $? "ping failed with a valid nexthop" + + log_test "IPv4 blackhole ping" + + ip nexthop del id 1002 + ip nexthop del id 1001 +} + +ping_ipv6_blackhole() +{ + RET=0 + + ip -6 nexthop add id 1001 blackhole + ip nexthop add id 1002 group 1001 + + ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 1001 + ping6_do $h1 2001:db8:2::2 + check_fail $? "ping did not fail when using a blackhole nexthop" + + ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 1002 + ping6_do $h1 2001:db8:2::2 + check_fail $? "ping did not fail when using a blackhole nexthop group" + + ip route replace 2001:db8:2::/64 vrf vrf-r1 nhid 106 + ping6_do $h1 2001:db8:2::2 + check_err $? "ping failed with a valid nexthop" + + log_test "IPv6 blackhole ping" + + ip nexthop del id 1002 + ip -6 nexthop del id 1001 +} + setup_prepare() { h1=${NETIFS[p1]} @@ -312,7 +379,6 @@ setup_prepare() router1_create router2_create - routing_nh_obj forwarding_enable } diff --git a/tools/testing/selftests/net/forwarding/router_nh.sh b/tools/testing/selftests/net/forwarding/router_nh.sh new file mode 100755 index 000000000000..f3a53738bdcc --- /dev/null +++ b/tools/testing/selftests/net/forwarding/router_nh.sh @@ -0,0 +1,160 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS=" + ping_ipv4 + ping_ipv6 +" + +NUM_NETIFS=4 +source lib.sh +source tc_common.sh + +h1_create() +{ + vrf_create "vrf-h1" + ip link set dev $h1 master vrf-h1 + + ip link set dev vrf-h1 up + ip link set dev $h1 up + + ip address add 192.0.2.2/24 dev $h1 + ip address add 2001:db8:1::2/64 dev $h1 + + ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1 + ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1 +} + +h1_destroy() +{ + ip route del 2001:db8:2::/64 vrf vrf-h1 + ip route del 198.51.100.0/24 vrf vrf-h1 + + ip address del 2001:db8:1::2/64 dev $h1 + ip address del 192.0.2.2/24 dev $h1 + + ip link set dev $h1 down + vrf_destroy "vrf-h1" +} + +h2_create() +{ + vrf_create "vrf-h2" + ip link set dev $h2 master vrf-h2 + + ip link set dev vrf-h2 up + ip link set dev $h2 up + + ip address add 198.51.100.2/24 dev $h2 + ip address add 2001:db8:2::2/64 dev $h2 + + ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1 + ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1 +} + +h2_destroy() +{ + ip route del 2001:db8:1::/64 vrf vrf-h2 + ip route del 192.0.2.0/24 vrf vrf-h2 + + ip address del 2001:db8:2::2/64 dev $h2 + ip address del 198.51.100.2/24 dev $h2 + + ip link set dev $h2 down + vrf_destroy "vrf-h2" +} + +router_create() +{ + ip link set dev $rp1 up + ip link set dev $rp2 up + + tc qdisc add dev $rp2 clsact + + ip address add 192.0.2.1/24 dev $rp1 + ip address add 2001:db8:1::1/64 dev $rp1 + + ip address add 198.51.100.1/24 dev $rp2 + ip address add 2001:db8:2::1/64 dev $rp2 +} + +router_destroy() +{ + ip address del 2001:db8:2::1/64 dev $rp2 + ip address del 198.51.100.1/24 dev $rp2 + + ip address del 2001:db8:1::1/64 dev $rp1 + ip address del 192.0.2.1/24 dev $rp1 + + tc qdisc del dev $rp2 clsact + + ip link set dev $rp2 down + ip link set dev $rp1 down +} + +routing_nh_obj() +{ + # Create the nexthops as AF_INET6, so that IPv4 and IPv6 routes could + # use them. + ip -6 nexthop add id 101 dev $rp1 + ip -6 nexthop add id 102 dev $rp2 + + ip route replace 192.0.2.0/24 nhid 101 + ip route replace 2001:db8:1::/64 nhid 101 + ip route replace 198.51.100.0/24 nhid 102 + ip route replace 2001:db8:2::/64 nhid 102 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + rp1=${NETIFS[p2]} + + rp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + rp1mac=$(mac_get $rp1) + + vrf_prepare + + h1_create + h2_create + + router_create + + forwarding_enable +} + +cleanup() +{ + pre_cleanup + + forwarding_restore + + router_destroy + + h2_destroy + h1_destroy + + vrf_cleanup +} + +ping_ipv4() +{ + ping_test $h1 198.51.100.2 +} + +ping_ipv6() +{ + ping6_test $h1 2001:db8:2::2 +} + +trap cleanup EXIT + +setup_prepare +setup_wait +routing_nh_obj + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 0d93b243695f..0eae628d1ffd 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -5,6 +5,7 @@ ret=0 sin="" sout="" cin="" +cinsent="" cout="" ksft_skip=4 timeout=30 @@ -81,7 +82,7 @@ cleanup_partial() cleanup() { rm -f "$cin" "$cout" - rm -f "$sin" "$sout" + rm -f "$sin" "$sout" "$cinsent" cleanup_partial } @@ -144,6 +145,13 @@ if [ $? -ne 0 ];then exit $ksft_skip fi +print_file_err() +{ + ls -l "$1" 1>&2 + echo "Trailing bytes are: " + tail -c 27 "$1" +} + check_transfer() { in=$1 @@ -155,6 +163,7 @@ check_transfer() echo "[ FAIL ] $what does not match (in, out):" print_file_err "$in" print_file_err "$out" + ret=1 return 1 fi @@ -175,6 +184,23 @@ do_ping() fi } +link_failure() +{ + ns="$1" + + l=$((RANDOM%4)) + l=$((l+1)) + + veth="ns1eth$l" + ip -net "$ns" link set "$veth" down +} + +# $1: IP address +is_v6() +{ + [ -z "${1##*:*}" ] +} + do_transfer() { listener_ns="$1" @@ -182,9 +208,10 @@ do_transfer() cl_proto="$3" srv_proto="$4" connect_addr="$5" - rm_nr_ns1="$6" - rm_nr_ns2="$7" - speed="$8" + test_link_fail="$6" + rm_nr_ns1="$7" + rm_nr_ns2="$8" + speed="$9" port=$((10000+$TEST_COUNT)) TEST_COUNT=$((TEST_COUNT+1)) @@ -215,12 +242,25 @@ do_transfer() mptcp_connect="./mptcp_connect -r" fi - ip netns exec ${listener_ns} $mptcp_connect -t $timeout -l -p $port -s ${srv_proto} 0.0.0.0 < "$sin" > "$sout" & + local local_addr + if is_v6 "${connect_addr}"; then + local_addr="::" + else + local_addr="0.0.0.0" + fi + + ip netns exec ${listener_ns} $mptcp_connect -t $timeout -l -p $port \ + -s ${srv_proto} ${local_addr} < "$sin" > "$sout" & spid=$! sleep 1 - ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" & + if [ "$test_link_fail" -eq 0 ];then + ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" & + else + ( cat "$cin" ; sleep 2; link_failure $listener_ns ; cat "$cin" ) | tee "$cinsent" | \ + ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr > "$cout" & + fi cpid=$! if [ $rm_nr_ns1 -gt 0 ]; then @@ -265,12 +305,17 @@ do_transfer() ip netns exec ${connector_ns} ss -nita 1>&2 -o "dport = :$port" cat "$capout" + ret=1 return 1 fi check_transfer $sin $cout "file received by client" retc=$? - check_transfer $cin $sout "file received by server" + if [ "$test_link_fail" -eq 0 ];then + check_transfer $cin $sout "file received by server" + else + check_transfer $cinsent $sout "file received by server" + fi rets=$? if [ $retc -eq 0 ] && [ $rets -eq 0 ];then @@ -286,13 +331,12 @@ make_file() { name=$1 who=$2 + size=$3 - SIZE=1 - - dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null + dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" - echo "Created $name (size $SIZE KB) containing data sent by $who" + echo "Created $name (size $size KB) containing data sent by $who" } run_tests() @@ -300,14 +344,32 @@ run_tests() listener_ns="$1" connector_ns="$2" connect_addr="$3" - rm_nr_ns1="${4:-0}" - rm_nr_ns2="${5:-0}" - speed="${6:-fast}" + test_linkfail="${4:-0}" + rm_nr_ns1="${5:-0}" + rm_nr_ns2="${6:-0}" + speed="${7:-fast}" lret=0 + oldin="" + + if [ "$test_linkfail" -eq 1 ];then + size=$((RANDOM%1024)) + size=$((size+1)) + size=$((size*128)) + + oldin=$(mktemp) + cp "$cin" "$oldin" + make_file "$cin" "client" $size + fi do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \ - ${rm_nr_ns1} ${rm_nr_ns2} ${speed} + ${test_linkfail} ${rm_nr_ns1} ${rm_nr_ns2} ${speed} lret=$? + + if [ "$test_linkfail" -eq 1 ];then + cp "$oldin" "$cin" + rm -f "$oldin" + fi + if [ $lret -ne 0 ]; then ret=$lret return @@ -440,10 +502,11 @@ chk_rm_nr() sin=$(mktemp) sout=$(mktemp) cin=$(mktemp) +cinsent=$(mktemp) cout=$(mktemp) init -make_file "$cin" "client" -make_file "$sin" "server" +make_file "$cin" "client" 1 +make_file "$sin" "server" 1 trap cleanup EXIT run_tests $ns1 $ns2 10.0.1.1 @@ -528,12 +591,23 @@ run_tests $ns1 $ns2 10.0.1.1 chk_join_nr "multiple subflows and signal" 3 3 3 chk_add_nr 1 1 +# accept and use add_addr with additional subflows and link loss +reset +ip netns exec $ns1 ./pm_nl_ctl limits 0 3 +ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal +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 1 +chk_join_nr "multiple flows, signal, link failure" 3 3 3 +chk_add_nr 1 1 + # add_addr timeout reset_with_add_addr_timeout ip netns exec $ns1 ./pm_nl_ctl limits 0 1 ip netns exec $ns2 ./pm_nl_ctl limits 1 1 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal -run_tests $ns1 $ns2 10.0.1.1 0 0 slow +run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow chk_join_nr "signal address, ADD_ADDR timeout" 1 1 1 chk_add_nr 4 0 @@ -542,7 +616,7 @@ 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 -run_tests $ns1 $ns2 10.0.1.1 0 1 slow +run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow chk_join_nr "remove single subflow" 1 1 1 chk_rm_nr 1 1 @@ -552,7 +626,7 @@ 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 10.0.2.2 flags subflow ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 0 2 slow +run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow chk_join_nr "remove multiple subflows" 2 2 2 chk_rm_nr 2 2 @@ -561,7 +635,7 @@ reset ip netns exec $ns1 ./pm_nl_ctl limits 0 1 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 1 -run_tests $ns1 $ns2 10.0.1.1 1 0 slow +run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow chk_join_nr "remove single address" 1 1 1 chk_add_nr 1 1 chk_rm_nr 0 0 @@ -572,7 +646,7 @@ ip netns exec $ns1 ./pm_nl_ctl limits 0 2 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 2 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow -run_tests $ns1 $ns2 10.0.1.1 1 1 slow +run_tests $ns1 $ns2 10.0.1.1 0 1 1 slow chk_join_nr "remove subflow and signal" 2 2 2 chk_add_nr 1 1 chk_rm_nr 1 1 @@ -584,11 +658,65 @@ ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal 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 1 2 slow +run_tests $ns1 $ns2 10.0.1.1 0 1 2 slow chk_join_nr "remove subflows and signal" 3 3 3 chk_add_nr 1 1 chk_rm_nr 2 2 +# subflow IPv6 +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 dead:beef:3::2 flags subflow +run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow +chk_join_nr "single subflow IPv6" 1 1 1 + +# add_address, unused IPv6 +reset +ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal +run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow +chk_join_nr "unused signal address IPv6" 0 0 0 +chk_add_nr 1 1 + +# signal address IPv6 +reset +ip netns exec $ns1 ./pm_nl_ctl limits 0 1 +ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal +ip netns exec $ns2 ./pm_nl_ctl limits 1 1 +run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow +chk_join_nr "single address IPv6" 1 1 1 +chk_add_nr 1 1 + +# add_addr timeout IPv6 +reset_with_add_addr_timeout 6 +ip netns exec $ns1 ./pm_nl_ctl limits 0 1 +ip netns exec $ns2 ./pm_nl_ctl limits 1 1 +ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal +run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow +chk_join_nr "signal address, ADD_ADDR6 timeout" 1 1 1 +chk_add_nr 4 0 + +# single address IPv6, remove +reset +ip netns exec $ns1 ./pm_nl_ctl limits 0 1 +ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal +ip netns exec $ns2 ./pm_nl_ctl limits 1 1 +run_tests $ns1 $ns2 dead:beef:1::1 0 1 0 slow +chk_join_nr "remove single address IPv6" 1 1 1 +chk_add_nr 1 1 +chk_rm_nr 0 0 + +# subflow and signal IPv6, remove +reset +ip netns exec $ns1 ./pm_nl_ctl limits 0 2 +ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal +ip netns exec $ns2 ./pm_nl_ctl limits 1 2 +ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 flags subflow +run_tests $ns1 $ns2 dead:beef:1::1 0 1 1 slow +chk_join_nr "remove subflow and signal IPv6" 2 2 2 +chk_add_nr 1 1 +chk_rm_nr 1 1 + # single subflow, syncookies reset_with_cookies ip netns exec $ns1 ./pm_nl_ctl limits 0 1 diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index b599f1fa99b5..cb0d1890a860 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -103,32 +103,58 @@ FIXTURE(tls) FIXTURE_VARIANT(tls) { - unsigned int tls_version; + u16 tls_version; + u16 cipher_type; }; -FIXTURE_VARIANT_ADD(tls, 12) +FIXTURE_VARIANT_ADD(tls, 12_gcm) { .tls_version = TLS_1_2_VERSION, + .cipher_type = TLS_CIPHER_AES_GCM_128, }; -FIXTURE_VARIANT_ADD(tls, 13) +FIXTURE_VARIANT_ADD(tls, 13_gcm) { .tls_version = TLS_1_3_VERSION, + .cipher_type = TLS_CIPHER_AES_GCM_128, +}; + +FIXTURE_VARIANT_ADD(tls, 12_chacha) +{ + .tls_version = TLS_1_2_VERSION, + .cipher_type = TLS_CIPHER_CHACHA20_POLY1305, +}; + +FIXTURE_VARIANT_ADD(tls, 13_chacha) +{ + .tls_version = TLS_1_3_VERSION, + .cipher_type = TLS_CIPHER_CHACHA20_POLY1305, }; FIXTURE_SETUP(tls) { - struct tls12_crypto_info_aes_gcm_128 tls12; + union tls_crypto_context tls12; struct sockaddr_in addr; socklen_t len; int sfd, ret; + size_t tls12_sz; self->notls = false; len = sizeof(addr); memset(&tls12, 0, sizeof(tls12)); tls12.info.version = variant->tls_version; - tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128; + tls12.info.cipher_type = variant->cipher_type; + switch (variant->cipher_type) { + case TLS_CIPHER_CHACHA20_POLY1305: + tls12_sz = sizeof(tls12_crypto_info_chacha20_poly1305); + break; + case TLS_CIPHER_AES_GCM_128: + tls12_sz = sizeof(tls12_crypto_info_aes_gcm_128); + break; + default: + tls12_sz = 0; + } addr.sin_family = AF_INET; addr.sin_addr.s_addr = htonl(INADDR_ANY); @@ -156,7 +182,7 @@ FIXTURE_SETUP(tls) if (!self->notls) { ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, - sizeof(tls12)); + tls12_sz); ASSERT_EQ(ret, 0); } @@ -169,7 +195,7 @@ FIXTURE_SETUP(tls) ASSERT_EQ(ret, 0); ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12, - sizeof(tls12)); + tls12_sz); ASSERT_EQ(ret, 0); } diff --git a/tools/testing/selftests/powerpc/include/utils.h b/tools/testing/selftests/powerpc/include/utils.h index 052b5a775dc2..b7d188fc87c7 100644 --- a/tools/testing/selftests/powerpc/include/utils.h +++ b/tools/testing/selftests/powerpc/include/utils.h @@ -42,6 +42,11 @@ int perf_event_enable(int fd); int perf_event_disable(int fd); int perf_event_reset(int fd); +struct perf_event_read { + __u64 nr; + __u64 l1d_misses; +}; + #if !defined(__GLIBC_PREREQ) || !__GLIBC_PREREQ(2, 30) #include <unistd.h> #include <sys/syscall.h> diff --git a/tools/testing/selftests/powerpc/security/.gitignore b/tools/testing/selftests/powerpc/security/.gitignore index f795e06f5ae3..4257a1f156bb 100644 --- a/tools/testing/selftests/powerpc/security/.gitignore +++ b/tools/testing/selftests/powerpc/security/.gitignore @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only rfi_flush +entry_flush diff --git a/tools/testing/selftests/powerpc/security/Makefile b/tools/testing/selftests/powerpc/security/Makefile index eadbbff50be6..f25e854fe370 100644 --- a/tools/testing/selftests/powerpc/security/Makefile +++ b/tools/testing/selftests/powerpc/security/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0+ -TEST_GEN_PROGS := rfi_flush spectre_v2 +TEST_GEN_PROGS := rfi_flush entry_flush spectre_v2 top_srcdir = ../../../../.. CFLAGS += -I../../../../../usr/include @@ -11,3 +11,5 @@ $(TEST_GEN_PROGS): ../harness.c ../utils.c $(OUTPUT)/spectre_v2: CFLAGS += -m64 $(OUTPUT)/spectre_v2: ../pmu/event.c branch_loops.S +$(OUTPUT)/rfi_flush: flush_utils.c +$(OUTPUT)/entry_flush: flush_utils.c diff --git a/tools/testing/selftests/powerpc/security/entry_flush.c b/tools/testing/selftests/powerpc/security/entry_flush.c new file mode 100644 index 000000000000..78cf914fa321 --- /dev/null +++ b/tools/testing/selftests/powerpc/security/entry_flush.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * Copyright 2018 IBM Corporation. + */ + +#define __SANE_USERSPACE_TYPES__ + +#include <sys/types.h> +#include <stdint.h> +#include <malloc.h> +#include <unistd.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include "utils.h" +#include "flush_utils.h" + +int entry_flush_test(void) +{ + char *p; + int repetitions = 10; + int fd, passes = 0, iter, rc = 0; + struct perf_event_read v; + __u64 l1d_misses_total = 0; + unsigned long iterations = 100000, zero_size = 24 * 1024; + unsigned long l1d_misses_expected; + int rfi_flush_orig; + int entry_flush, entry_flush_orig; + + SKIP_IF(geteuid() != 0); + + // The PMU event we use only works on Power7 or later + SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06)); + + if (read_debugfs_file("powerpc/rfi_flush", &rfi_flush_orig) < 0) { + perror("Unable to read powerpc/rfi_flush debugfs file"); + SKIP_IF(1); + } + + if (read_debugfs_file("powerpc/entry_flush", &entry_flush_orig) < 0) { + perror("Unable to read powerpc/entry_flush debugfs file"); + SKIP_IF(1); + } + + if (rfi_flush_orig != 0) { + if (write_debugfs_file("powerpc/rfi_flush", 0) < 0) { + perror("error writing to powerpc/rfi_flush debugfs file"); + FAIL_IF(1); + } + } + + entry_flush = entry_flush_orig; + + fd = perf_event_open_counter(PERF_TYPE_RAW, /* L1d miss */ 0x400f0, -1); + FAIL_IF(fd < 0); + + p = (char *)memalign(zero_size, CACHELINE_SIZE); + + FAIL_IF(perf_event_enable(fd)); + + // disable L1 prefetching + set_dscr(1); + + iter = repetitions; + + /* + * We expect to see l1d miss for each cacheline access when entry_flush + * is set. Allow a small variation on this. + */ + l1d_misses_expected = iterations * (zero_size / CACHELINE_SIZE - 2); + +again: + FAIL_IF(perf_event_reset(fd)); + + syscall_loop(p, iterations, zero_size); + + FAIL_IF(read(fd, &v, sizeof(v)) != sizeof(v)); + + if (entry_flush && v.l1d_misses >= l1d_misses_expected) + passes++; + else if (!entry_flush && v.l1d_misses < (l1d_misses_expected / 2)) + passes++; + + l1d_misses_total += v.l1d_misses; + + while (--iter) + goto again; + + if (passes < repetitions) { + printf("FAIL (L1D misses with entry_flush=%d: %llu %c %lu) [%d/%d failures]\n", + entry_flush, l1d_misses_total, entry_flush ? '<' : '>', + entry_flush ? repetitions * l1d_misses_expected : + repetitions * l1d_misses_expected / 2, + repetitions - passes, repetitions); + rc = 1; + } else { + printf("PASS (L1D misses with entry_flush=%d: %llu %c %lu) [%d/%d pass]\n", + entry_flush, l1d_misses_total, entry_flush ? '>' : '<', + entry_flush ? repetitions * l1d_misses_expected : + repetitions * l1d_misses_expected / 2, + passes, repetitions); + } + + if (entry_flush == entry_flush_orig) { + entry_flush = !entry_flush_orig; + if (write_debugfs_file("powerpc/entry_flush", entry_flush) < 0) { + perror("error writing to powerpc/entry_flush debugfs file"); + return 1; + } + iter = repetitions; + l1d_misses_total = 0; + passes = 0; + goto again; + } + + perf_event_disable(fd); + close(fd); + + set_dscr(0); + + if (write_debugfs_file("powerpc/rfi_flush", rfi_flush_orig) < 0) { + perror("unable to restore original value of powerpc/rfi_flush debugfs file"); + return 1; + } + + if (write_debugfs_file("powerpc/entry_flush", entry_flush_orig) < 0) { + perror("unable to restore original value of powerpc/entry_flush debugfs file"); + return 1; + } + + return rc; +} + +int main(int argc, char *argv[]) +{ + return test_harness(entry_flush_test, "entry_flush_test"); +} diff --git a/tools/testing/selftests/powerpc/security/flush_utils.c b/tools/testing/selftests/powerpc/security/flush_utils.c new file mode 100644 index 000000000000..0c3c4c40c7fb --- /dev/null +++ b/tools/testing/selftests/powerpc/security/flush_utils.c @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * Copyright 2018 IBM Corporation. + */ + +#define __SANE_USERSPACE_TYPES__ + +#include <sys/types.h> +#include <stdint.h> +#include <unistd.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include "utils.h" +#include "flush_utils.h" + +static inline __u64 load(void *addr) +{ + __u64 tmp; + + asm volatile("ld %0,0(%1)" : "=r"(tmp) : "b"(addr)); + + return tmp; +} + +void syscall_loop(char *p, unsigned long iterations, + unsigned long zero_size) +{ + for (unsigned long i = 0; i < iterations; i++) { + for (unsigned long j = 0; j < zero_size; j += CACHELINE_SIZE) + load(p + j); + getppid(); + } +} + +static void sigill_handler(int signr, siginfo_t *info, void *unused) +{ + static int warned; + ucontext_t *ctx = (ucontext_t *)unused; + unsigned long *pc = &UCONTEXT_NIA(ctx); + + /* mtspr 3,RS to check for move to DSCR below */ + if ((*((unsigned int *)*pc) & 0xfc1fffff) == 0x7c0303a6) { + if (!warned++) + printf("WARNING: Skipping over dscr setup. Consider running 'ppc64_cpu --dscr=1' manually.\n"); + *pc += 4; + } else { + printf("SIGILL at %p\n", pc); + abort(); + } +} + +void set_dscr(unsigned long val) +{ + static int init; + struct sigaction sa; + + if (!init) { + memset(&sa, 0, sizeof(sa)); + sa.sa_sigaction = sigill_handler; + sa.sa_flags = SA_SIGINFO; + if (sigaction(SIGILL, &sa, NULL)) + perror("sigill_handler"); + init = 1; + } + + asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR)); +} diff --git a/tools/testing/selftests/powerpc/security/flush_utils.h b/tools/testing/selftests/powerpc/security/flush_utils.h new file mode 100644 index 000000000000..07a5eb301466 --- /dev/null +++ b/tools/testing/selftests/powerpc/security/flush_utils.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +/* + * Copyright 2018 IBM Corporation. + */ + +#ifndef _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H +#define _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H + +#define CACHELINE_SIZE 128 + +void syscall_loop(char *p, unsigned long iterations, + unsigned long zero_size); + +void set_dscr(unsigned long val); + +#endif /* _SELFTESTS_POWERPC_SECURITY_FLUSH_UTILS_H */ diff --git a/tools/testing/selftests/powerpc/security/rfi_flush.c b/tools/testing/selftests/powerpc/security/rfi_flush.c index 93a65bd1f231..7565fd786640 100644 --- a/tools/testing/selftests/powerpc/security/rfi_flush.c +++ b/tools/testing/selftests/powerpc/security/rfi_flush.c @@ -10,71 +10,12 @@ #include <stdint.h> #include <malloc.h> #include <unistd.h> -#include <signal.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include "utils.h" +#include "flush_utils.h" -#define CACHELINE_SIZE 128 - -struct perf_event_read { - __u64 nr; - __u64 l1d_misses; -}; - -static inline __u64 load(void *addr) -{ - __u64 tmp; - - asm volatile("ld %0,0(%1)" : "=r"(tmp) : "b"(addr)); - - return tmp; -} - -static void syscall_loop(char *p, unsigned long iterations, - unsigned long zero_size) -{ - for (unsigned long i = 0; i < iterations; i++) { - for (unsigned long j = 0; j < zero_size; j += CACHELINE_SIZE) - load(p + j); - getppid(); - } -} - -static void sigill_handler(int signr, siginfo_t *info, void *unused) -{ - static int warned = 0; - ucontext_t *ctx = (ucontext_t *)unused; - unsigned long *pc = &UCONTEXT_NIA(ctx); - - /* mtspr 3,RS to check for move to DSCR below */ - if ((*((unsigned int *)*pc) & 0xfc1fffff) == 0x7c0303a6) { - if (!warned++) - printf("WARNING: Skipping over dscr setup. Consider running 'ppc64_cpu --dscr=1' manually.\n"); - *pc += 4; - } else { - printf("SIGILL at %p\n", pc); - abort(); - } -} - -static void set_dscr(unsigned long val) -{ - static int init = 0; - struct sigaction sa; - - if (!init) { - memset(&sa, 0, sizeof(sa)); - sa.sa_sigaction = sigill_handler; - sa.sa_flags = SA_SIGINFO; - if (sigaction(SIGILL, &sa, NULL)) - perror("sigill_handler"); - init = 1; - } - - asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR)); -} int rfi_flush_test(void) { @@ -85,19 +26,33 @@ int rfi_flush_test(void) __u64 l1d_misses_total = 0; unsigned long iterations = 100000, zero_size = 24 * 1024; unsigned long l1d_misses_expected; - int rfi_flush_org, rfi_flush; + int rfi_flush_orig, rfi_flush; + int have_entry_flush, entry_flush_orig; SKIP_IF(geteuid() != 0); // The PMU event we use only works on Power7 or later SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06)); - if (read_debugfs_file("powerpc/rfi_flush", &rfi_flush_org)) { + if (read_debugfs_file("powerpc/rfi_flush", &rfi_flush_orig) < 0) { perror("Unable to read powerpc/rfi_flush debugfs file"); SKIP_IF(1); } - rfi_flush = rfi_flush_org; + if (read_debugfs_file("powerpc/entry_flush", &entry_flush_orig) < 0) { + have_entry_flush = 0; + } else { + have_entry_flush = 1; + + if (entry_flush_orig != 0) { + if (write_debugfs_file("powerpc/entry_flush", 0) < 0) { + perror("error writing to powerpc/entry_flush debugfs file"); + return 1; + } + } + } + + rfi_flush = rfi_flush_orig; fd = perf_event_open_counter(PERF_TYPE_RAW, /* L1d miss */ 0x400f0, -1); FAIL_IF(fd < 0); @@ -106,6 +61,7 @@ int rfi_flush_test(void) FAIL_IF(perf_event_enable(fd)); + // disable L1 prefetching set_dscr(1); iter = repetitions; @@ -147,8 +103,8 @@ again: repetitions * l1d_misses_expected / 2, passes, repetitions); - if (rfi_flush == rfi_flush_org) { - rfi_flush = !rfi_flush_org; + if (rfi_flush == rfi_flush_orig) { + rfi_flush = !rfi_flush_orig; if (write_debugfs_file("powerpc/rfi_flush", rfi_flush) < 0) { perror("error writing to powerpc/rfi_flush debugfs file"); return 1; @@ -164,11 +120,19 @@ again: set_dscr(0); - if (write_debugfs_file("powerpc/rfi_flush", rfi_flush_org) < 0) { + if (write_debugfs_file("powerpc/rfi_flush", rfi_flush_orig) < 0) { perror("unable to restore original value of powerpc/rfi_flush debugfs file"); return 1; } + if (have_entry_flush) { + if (write_debugfs_file("powerpc/entry_flush", entry_flush_orig) < 0) { + perror("unable to restore original value of powerpc/entry_flush " + "debugfs file"); + return 1; + } + } + return rc; } diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 4a180439ee9e..26c72f2b61b1 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1758,10 +1758,10 @@ TEST_F(TRACE_poke, getpid_runs_normally) * and the code is stored as a positive value. \ */ \ if (_result < 0) { \ - SYSCALL_RET(_regs) = -result; \ + SYSCALL_RET(_regs) = -_result; \ (_regs).ccr |= 0x10000000; \ } else { \ - SYSCALL_RET(_regs) = result; \ + SYSCALL_RET(_regs) = _result; \ (_regs).ccr &= ~0x10000000; \ } \ } while (0) @@ -1804,8 +1804,8 @@ TEST_F(TRACE_poke, getpid_runs_normally) #define SYSCALL_RET(_regs) (_regs).a[(_regs).windowbase * 4 + 2] #elif defined(__sh__) # define ARCH_REGS struct pt_regs -# define SYSCALL_NUM(_regs) (_regs).gpr[3] -# define SYSCALL_RET(_regs) (_regs).gpr[0] +# define SYSCALL_NUM(_regs) (_regs).regs[3] +# define SYSCALL_RET(_regs) (_regs).regs[0] #else # error "Do not know how to find your architecture's registers and syscalls" #endif diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config index c33a7aac27ff..b71828df5a6d 100644 --- a/tools/testing/selftests/tc-testing/config +++ b/tools/testing/selftests/tc-testing/config @@ -59,6 +59,7 @@ CONFIG_NET_IFE_SKBPRIO=m CONFIG_NET_IFE_SKBTCINDEX=m CONFIG_NET_SCH_FIFO=y CONFIG_NET_SCH_ETS=m +CONFIG_NET_SCH_RED=m # ## Network testing |