diff options
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_util.h | 3 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/map_in_map.c | 132 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/sock_addr.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/update_map_in_htab.c | 30 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/test_maps.c | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/test_verifier.c | 4 |
8 files changed, 164 insertions, 21 deletions
diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h index feff92219e21..5f6963a320d7 100644 --- a/tools/testing/selftests/bpf/bpf_util.h +++ b/tools/testing/selftests/bpf/bpf_util.h @@ -67,5 +67,8 @@ static inline void bpf_strlcpy(char *dst, const char *src, size_t sz) #define sys_gettid() syscall(SYS_gettid) #endif +#ifndef ENOTSUPP +#define ENOTSUPP 524 +#endif #endif /* __BPF_UTIL__ */ diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index 409a06975823..b7d1b52309d0 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -16,10 +16,6 @@ #include "tcp_ca_kfunc.skel.h" #include "bpf_cc_cubic.skel.h" -#ifndef ENOTSUPP -#define ENOTSUPP 524 -#endif - static const unsigned int total_bytes = 10 * 1024 * 1024; static int expected_stg = 0xeB9F; diff --git a/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c index 130a3b21e467..6df25de8f080 100644 --- a/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c +++ b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c @@ -10,10 +10,6 @@ #include "cgroup_helpers.h" #include "network_helpers.h" -#ifndef ENOTSUPP -#define ENOTSUPP 524 -#endif - static struct btf *btf; static __u32 query_prog_cnt(int cgroup_fd, const char *attach_func) diff --git a/tools/testing/selftests/bpf/prog_tests/map_in_map.c b/tools/testing/selftests/bpf/prog_tests/map_in_map.c index d2a10eb4e5b5..286a9fb469e2 100644 --- a/tools/testing/selftests/bpf/prog_tests/map_in_map.c +++ b/tools/testing/selftests/bpf/prog_tests/map_in_map.c @@ -5,7 +5,9 @@ #include <sys/syscall.h> #include <test_progs.h> #include <bpf/btf.h> + #include "access_map_in_map.skel.h" +#include "update_map_in_htab.skel.h" struct thread_ctx { pthread_barrier_t barrier; @@ -127,6 +129,131 @@ out: access_map_in_map__destroy(skel); } +static void add_del_fd_htab(int outer_fd) +{ + int inner_fd, err; + int key = 1; + + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr1", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner1")) + return; + err = bpf_map_update_elem(outer_fd, &key, &inner_fd, BPF_NOEXIST); + close(inner_fd); + if (!ASSERT_OK(err, "add")) + return; + + /* Delete */ + err = bpf_map_delete_elem(outer_fd, &key); + ASSERT_OK(err, "del"); +} + +static void overwrite_fd_htab(int outer_fd) +{ + int inner_fd, err; + int key = 1; + + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr1", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner1")) + return; + err = bpf_map_update_elem(outer_fd, &key, &inner_fd, BPF_NOEXIST); + close(inner_fd); + if (!ASSERT_OK(err, "add")) + return; + + /* Overwrite */ + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr2", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner2")) + goto out; + err = bpf_map_update_elem(outer_fd, &key, &inner_fd, BPF_EXIST); + close(inner_fd); + if (!ASSERT_OK(err, "overwrite")) + goto out; + + err = bpf_map_delete_elem(outer_fd, &key); + ASSERT_OK(err, "del"); + return; +out: + bpf_map_delete_elem(outer_fd, &key); +} + +static void lookup_delete_fd_htab(int outer_fd) +{ + int key = 1, value; + int inner_fd, err; + + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr1", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner1")) + return; + err = bpf_map_update_elem(outer_fd, &key, &inner_fd, BPF_NOEXIST); + close(inner_fd); + if (!ASSERT_OK(err, "add")) + return; + + /* lookup_and_delete is not supported for htab of maps */ + err = bpf_map_lookup_and_delete_elem(outer_fd, &key, &value); + ASSERT_EQ(err, -ENOTSUPP, "lookup_del"); + + err = bpf_map_delete_elem(outer_fd, &key); + ASSERT_OK(err, "del"); +} + +static void batched_lookup_delete_fd_htab(int outer_fd) +{ + int keys[2] = {1, 2}, values[2]; + unsigned int cnt, batch; + int inner_fd, err; + + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr1", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner1")) + return; + + err = bpf_map_update_elem(outer_fd, &keys[0], &inner_fd, BPF_NOEXIST); + close(inner_fd); + if (!ASSERT_OK(err, "add1")) + return; + + inner_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "arr2", 4, 4, 1, NULL); + if (!ASSERT_OK_FD(inner_fd, "inner2")) + goto out; + err = bpf_map_update_elem(outer_fd, &keys[1], &inner_fd, BPF_NOEXIST); + close(inner_fd); + if (!ASSERT_OK(err, "add2")) + goto out; + + /* batched lookup_and_delete */ + cnt = ARRAY_SIZE(keys); + err = bpf_map_lookup_and_delete_batch(outer_fd, NULL, &batch, keys, values, &cnt, NULL); + ASSERT_TRUE((!err || err == -ENOENT), "delete_batch ret"); + ASSERT_EQ(cnt, ARRAY_SIZE(keys), "delete_batch cnt"); + +out: + bpf_map_delete_elem(outer_fd, &keys[0]); +} + +static void test_update_map_in_htab(bool preallocate) +{ + struct update_map_in_htab *skel; + int err, fd; + + skel = update_map_in_htab__open(); + if (!ASSERT_OK_PTR(skel, "open")) + return; + + err = update_map_in_htab__load(skel); + if (!ASSERT_OK(err, "load")) + goto out; + + fd = preallocate ? bpf_map__fd(skel->maps.outer_htab_map) : + bpf_map__fd(skel->maps.outer_alloc_htab_map); + + add_del_fd_htab(fd); + overwrite_fd_htab(fd); + lookup_delete_fd_htab(fd); + batched_lookup_delete_fd_htab(fd); +out: + update_map_in_htab__destroy(skel); +} + void test_map_in_map(void) { if (test__start_subtest("acc_map_in_array")) @@ -137,5 +264,8 @@ void test_map_in_map(void) test_map_in_map_access("access_map_in_htab", "outer_htab_map"); if (test__start_subtest("sleepable_acc_map_in_htab")) test_map_in_map_access("sleepable_access_map_in_htab", "outer_htab_map"); + if (test__start_subtest("update_map_in_htab")) + test_update_map_in_htab(true); + if (test__start_subtest("update_map_in_alloc_htab")) + test_update_map_in_htab(false); } - diff --git a/tools/testing/selftests/bpf/prog_tests/sock_addr.c b/tools/testing/selftests/bpf/prog_tests/sock_addr.c index a6ee7f8d4f79..b2efabbed220 100644 --- a/tools/testing/selftests/bpf/prog_tests/sock_addr.c +++ b/tools/testing/selftests/bpf/prog_tests/sock_addr.c @@ -23,10 +23,6 @@ #include "getpeername_unix_prog.skel.h" #include "network_helpers.h" -#ifndef ENOTSUPP -# define ENOTSUPP 524 -#endif - #define TEST_NS "sock_addr" #define TEST_IF_PREFIX "test_sock_addr" #define TEST_IPV4 "127.0.0.4" diff --git a/tools/testing/selftests/bpf/progs/update_map_in_htab.c b/tools/testing/selftests/bpf/progs/update_map_in_htab.c new file mode 100644 index 000000000000..c2066247cd9c --- /dev/null +++ b/tools/testing/selftests/bpf/progs/update_map_in_htab.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2024. Huawei Technologies Co., Ltd */ +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +struct inner_map_type { + __uint(type, BPF_MAP_TYPE_ARRAY); + __uint(key_size, 4); + __uint(value_size, 4); + __uint(max_entries, 1); +} inner_map SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); + __type(key, int); + __type(value, int); + __uint(max_entries, 2); + __array(values, struct inner_map_type); +} outer_htab_map SEC(".maps"); + +struct { + __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); + __uint(map_flags, BPF_F_NO_PREALLOC); + __type(key, int); + __type(value, int); + __uint(max_entries, 2); + __array(values, struct inner_map_type); +} outer_alloc_htab_map SEC(".maps"); + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index 905d5981ace1..8b40e9496af1 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -26,10 +26,6 @@ #include "test_maps.h" #include "testing_helpers.h" -#ifndef ENOTSUPP -#define ENOTSUPP 524 -#endif - int skips; static struct bpf_map_create_opts map_opts = { .sz = sizeof(map_opts) }; diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 610392dfc4fb..447b68509d76 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -42,10 +42,6 @@ #include "../../../include/linux/filter.h" #include "testing_helpers.h" -#ifndef ENOTSUPP -#define ENOTSUPP 524 -#endif - #define MAX_INSNS BPF_MAXINSNS #define MAX_EXPECTED_INSNS 32 #define MAX_UNEXPECTED_INSNS 32 |