diff options
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/timer_mim.c | 29 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/timer_mim_reject.c | 84 |
2 files changed, 109 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/timer_mim.c b/tools/testing/selftests/bpf/prog_tests/timer_mim.c index c930c7d7105b..fa7bb769ca31 100644 --- a/tools/testing/selftests/bpf/prog_tests/timer_mim.c +++ b/tools/testing/selftests/bpf/prog_tests/timer_mim.c @@ -59,10 +59,32 @@ void serial_test_timer_mim(void) int err; old_print_fn = libbpf_set_print(NULL); - timer_reject_skel = timer_mim_reject__open_and_load(); - libbpf_set_print(old_print_fn); - if (!ASSERT_ERR_PTR(timer_reject_skel, "timer_reject_skel_load")) + timer_reject_skel = timer_mim_reject__open(); + if (!ASSERT_OK_PTR(timer_reject_skel, "timer_reject_skel_open")) + goto cleanup; + bpf_program__set_autoload(timer_reject_skel->progs.test1, true); + err = timer_mim_reject__load(timer_reject_skel); + ASSERT_ERR(err, "timer_reject_skel_load"); + timer_mim_reject__destroy(timer_reject_skel); + + timer_reject_skel = timer_mim_reject__open(); + if (!ASSERT_OK_PTR(timer_reject_skel, "callback_reject_skel_open")) goto cleanup; + bpf_program__set_autoload(timer_reject_skel->progs.callback_map_uid_mismatch, true); + err = timer_mim_reject__load(timer_reject_skel); + ASSERT_ERR(err, "callback_reject_skel_load"); + timer_mim_reject__destroy(timer_reject_skel); + + timer_reject_skel = timer_mim_reject__open(); + if (!ASSERT_OK_PTR(timer_reject_skel, "callback_accept_skel_open")) + goto cleanup; + bpf_program__set_autoload(timer_reject_skel->progs.callback_map_uid_match, true); + err = timer_mim_reject__load(timer_reject_skel); + if (!ASSERT_OK(err, "callback_accept_skel_load")) + goto cleanup; + timer_mim_reject__destroy(timer_reject_skel); + timer_reject_skel = NULL; + libbpf_set_print(old_print_fn); timer_skel = timer_mim__open_and_load(); if (!timer_skel && errno == EOPNOTSUPP) { @@ -75,6 +97,7 @@ void serial_test_timer_mim(void) err = timer_mim(timer_skel); ASSERT_OK(err, "timer_mim"); cleanup: + libbpf_set_print(old_print_fn); timer_mim__destroy(timer_skel); timer_mim_reject__destroy(timer_reject_skel); } diff --git a/tools/testing/selftests/bpf/progs/timer_mim_reject.c b/tools/testing/selftests/bpf/progs/timer_mim_reject.c index dd3f1ed6d6e6..83f31138336b 100644 --- a/tools/testing/selftests/bpf/progs/timer_mim_reject.c +++ b/tools/testing/selftests/bpf/progs/timer_mim_reject.c @@ -43,7 +43,7 @@ static int timer_cb(void *map, int *key, struct hmap_elem *val) return 0; } -SEC("fentry/bpf_fentry_test1") +SEC("?fentry/bpf_fentry_test1") int BPF_PROG(test1, int a) { struct hmap_elem init = {}; @@ -72,3 +72,85 @@ int BPF_PROG(test1, int a) err |= 8; return 0; } + +struct callback_ctx { + void *map; +}; + +static int mismatch_iter_cb(void *map, int *key, struct hmap_elem *val, struct callback_ctx *ctx) +{ + bpf_timer_init(&val->timer, ctx->map, CLOCK_MONOTONIC); + return 0; +} + +static int timer_mismatch_cb(void *map, int *key, struct hmap_elem *val) +{ + struct callback_ctx ctx = { .map = map }; + struct bpf_map *inner_map2; + int array_key2 = ARRAY_KEY2; + + inner_map2 = bpf_map_lookup_elem(&outer_arr, &array_key2); + if (!inner_map2) + return 0; + bpf_for_each_map_elem(inner_map2, mismatch_iter_cb, &ctx, 0); + return 0; +} + +static int match_iter_cb(void *map, int *key, struct hmap_elem *val, struct callback_ctx *ctx) +{ + bpf_timer_init(&val->timer, map, CLOCK_MONOTONIC); + return 0; +} + +static int timer_match_cb(void *map, int *key, struct hmap_elem *val) +{ + struct callback_ctx ctx = {}; + struct bpf_map *inner_map2; + int array_key2 = ARRAY_KEY2; + + inner_map2 = bpf_map_lookup_elem(&outer_arr, &array_key2); + if (!inner_map2) + return 0; + bpf_for_each_map_elem(inner_map2, match_iter_cb, &ctx, 0); + return 0; +} + +SEC("?fentry/bpf_fentry_test1") +int BPF_PROG(callback_map_uid_mismatch, int a) +{ + struct hmap_elem *val; + struct bpf_map *inner_map; + int array_key = ARRAY_KEY; + int hash_key = HASH_KEY; + + inner_map = bpf_map_lookup_elem(&outer_arr, &array_key); + if (!inner_map) + return 0; + val = bpf_map_lookup_elem(inner_map, &hash_key); + if (!val) + return 0; + + bpf_timer_init(&val->timer, inner_map, CLOCK_MONOTONIC); + bpf_timer_set_callback(&val->timer, timer_mismatch_cb); + return 0; +} + +SEC("?fentry/bpf_fentry_test1") +int BPF_PROG(callback_map_uid_match, int a) +{ + struct hmap_elem *val; + struct bpf_map *inner_map; + int array_key = ARRAY_KEY; + int hash_key = HASH_KEY; + + inner_map = bpf_map_lookup_elem(&outer_arr, &array_key); + if (!inner_map) + return 0; + val = bpf_map_lookup_elem(inner_map, &hash_key); + if (!val) + return 0; + + bpf_timer_init(&val->timer, inner_map, CLOCK_MONOTONIC); + bpf_timer_set_callback(&val->timer, timer_match_cb); + return 0; +} |