diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c | 70 |
1 files changed, 53 insertions, 17 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c index 15c7378362dd..b426bf2f97e4 100644 --- a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c +++ b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c @@ -2,25 +2,21 @@ /* Copyright (c) 2019 Facebook */ #include <test_progs.h> -#define PROG_CNT 3 - -void test_fexit_bpf2bpf(void) +static void test_fexit_bpf2bpf_common(const char *obj_file, + const char *target_obj_file, + int prog_cnt, + const char **prog_name) { - const char *prog_name[PROG_CNT] = { - "fexit/test_pkt_access", - "fexit/test_pkt_access_subprog1", - "fexit/test_pkt_access_subprog2", - }; struct bpf_object *obj = NULL, *pkt_obj; int err, pkt_fd, i; - struct bpf_link *link[PROG_CNT] = {}; - struct bpf_program *prog[PROG_CNT]; + struct bpf_link **link = NULL; + struct bpf_program **prog = NULL; __u32 duration, retval; struct bpf_map *data_map; const int zero = 0; - u64 result[PROG_CNT]; + u64 *result = NULL; - err = bpf_prog_load("./test_pkt_access.o", BPF_PROG_TYPE_UNSPEC, + err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, &pkt_obj, &pkt_fd); if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno)) return; @@ -28,7 +24,14 @@ void test_fexit_bpf2bpf(void) .attach_prog_fd = pkt_fd, ); - obj = bpf_object__open_file("./fexit_bpf2bpf.o", &opts); + link = calloc(sizeof(struct bpf_link *), prog_cnt); + prog = calloc(sizeof(struct bpf_program *), prog_cnt); + result = malloc(prog_cnt * sizeof(u64)); + if (CHECK(!link || !prog || !result, "alloc_memory", + "failed to alloc memory")) + goto close_prog; + + obj = bpf_object__open_file(obj_file, &opts); if (CHECK(IS_ERR_OR_NULL(obj), "obj_open", "failed to open fexit_bpf2bpf: %ld\n", PTR_ERR(obj))) @@ -38,7 +41,7 @@ void test_fexit_bpf2bpf(void) if (CHECK(err, "obj_load", "err %d\n", err)) goto close_prog; - for (i = 0; i < PROG_CNT; i++) { + for (i = 0; i < prog_cnt; i++) { prog[i] = bpf_object__find_program_by_title(obj, prog_name[i]); if (CHECK(!prog[i], "find_prog", "prog %s not found\n", prog_name[i])) goto close_prog; @@ -56,21 +59,54 @@ void test_fexit_bpf2bpf(void) "err %d errno %d retval %d duration %d\n", err, errno, retval, duration); - err = bpf_map_lookup_elem(bpf_map__fd(data_map), &zero, &result); + err = bpf_map_lookup_elem(bpf_map__fd(data_map), &zero, result); if (CHECK(err, "get_result", "failed to get output data: %d\n", err)) goto close_prog; - for (i = 0; i < PROG_CNT; i++) + for (i = 0; i < prog_cnt; i++) if (CHECK(result[i] != 1, "result", "fexit_bpf2bpf failed err %ld\n", result[i])) goto close_prog; close_prog: - for (i = 0; i < PROG_CNT; i++) + for (i = 0; i < prog_cnt; i++) if (!IS_ERR_OR_NULL(link[i])) bpf_link__destroy(link[i]); if (!IS_ERR_OR_NULL(obj)) bpf_object__close(obj); bpf_object__close(pkt_obj); + free(link); + free(prog); + free(result); +} + +static void test_target_no_callees(void) +{ + const char *prog_name[] = { + "fexit/test_pkt_md_access", + }; + test_fexit_bpf2bpf_common("./fexit_bpf2bpf_simple.o", + "./test_pkt_md_access.o", + ARRAY_SIZE(prog_name), + prog_name); +} + +static void test_target_yes_callees(void) +{ + const char *prog_name[] = { + "fexit/test_pkt_access", + "fexit/test_pkt_access_subprog1", + "fexit/test_pkt_access_subprog2", + }; + test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o", + "./test_pkt_access.o", + ARRAY_SIZE(prog_name), + prog_name); +} + +void test_fexit_bpf2bpf(void) +{ + test_target_no_callees(); + test_target_yes_callees(); } |