| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright (c) 2019 Facebook */ |
| #include <test_progs.h> |
| |
| void test_fexit_test(void) |
| { |
| struct bpf_prog_load_attr attr = { |
| .file = "./fexit_test.o", |
| }; |
| |
| char prog_name[] = "fexit/bpf_fentry_testX"; |
| struct bpf_object *obj = NULL, *pkt_obj; |
| int err, pkt_fd, kfree_skb_fd, i; |
| struct bpf_link *link[6] = {}; |
| struct bpf_program *prog[6]; |
| __u32 duration, retval; |
| struct bpf_map *data_map; |
| const int zero = 0; |
| u64 result[6]; |
| |
| err = bpf_prog_load("./test_pkt_access.o", BPF_PROG_TYPE_SCHED_CLS, |
| &pkt_obj, &pkt_fd); |
| if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno)) |
| return; |
| err = bpf_prog_load_xattr(&attr, &obj, &kfree_skb_fd); |
| if (CHECK(err, "prog_load fail", "err %d errno %d\n", err, errno)) |
| goto close_prog; |
| |
| for (i = 0; i < 6; i++) { |
| prog_name[sizeof(prog_name) - 2] = '1' + i; |
| prog[i] = bpf_object__find_program_by_title(obj, prog_name); |
| if (CHECK(!prog[i], "find_prog", "prog %s not found\n", prog_name)) |
| goto close_prog; |
| link[i] = bpf_program__attach_trace(prog[i]); |
| if (CHECK(IS_ERR(link[i]), "attach_trace", "failed to link\n")) |
| goto close_prog; |
| } |
| data_map = bpf_object__find_map_by_name(obj, "fexit_te.bss"); |
| if (CHECK(!data_map, "find_data_map", "data map not found\n")) |
| goto close_prog; |
| |
| err = bpf_prog_test_run(pkt_fd, 1, &pkt_v6, sizeof(pkt_v6), |
| NULL, NULL, &retval, &duration); |
| CHECK(err || retval, "ipv6", |
| "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); |
| if (CHECK(err, "get_result", |
| "failed to get output data: %d\n", err)) |
| goto close_prog; |
| |
| for (i = 0; i < 6; i++) |
| if (CHECK(result[i] != 1, "result", "bpf_fentry_test%d failed err %ld\n", |
| i + 1, result[i])) |
| goto close_prog; |
| |
| close_prog: |
| for (i = 0; i < 6; i++) |
| if (!IS_ERR_OR_NULL(link[i])) |
| bpf_link__destroy(link[i]); |
| bpf_object__close(obj); |
| bpf_object__close(pkt_obj); |
| } |