1d6f39601SAlexei Starovoitov // SPDX-License-Identifier: GPL-2.0 2d6f39601SAlexei Starovoitov /* Copyright (c) 2019 Facebook */ 3d6f39601SAlexei Starovoitov #include <test_progs.h> 4488a23b8SStanislav Fomichev #include <network_helpers.h> 5f6429476SToke Høiland-Jørgensen #include <bpf/btf.h> 6f6429476SToke Høiland-Jørgensen 7f6429476SToke Høiland-Jørgensen typedef int (*test_cb)(struct bpf_object *obj); 8f6429476SToke Høiland-Jørgensen 9f6429476SToke Høiland-Jørgensen static int check_data_map(struct bpf_object *obj, int prog_cnt, bool reset) 10f6429476SToke Høiland-Jørgensen { 11f6429476SToke Høiland-Jørgensen struct bpf_map *data_map = NULL, *map; 12f6429476SToke Høiland-Jørgensen __u64 *result = NULL; 13f6429476SToke Høiland-Jørgensen const int zero = 0; 14f6429476SToke Høiland-Jørgensen __u32 duration = 0; 15f6429476SToke Høiland-Jørgensen int ret = -1, i; 16f6429476SToke Høiland-Jørgensen 17f6429476SToke Høiland-Jørgensen result = malloc((prog_cnt + 32 /* spare */) * sizeof(__u64)); 18f6429476SToke Høiland-Jørgensen if (CHECK(!result, "alloc_memory", "failed to alloc memory")) 19f6429476SToke Høiland-Jørgensen return -ENOMEM; 20f6429476SToke Høiland-Jørgensen 21f6429476SToke Høiland-Jørgensen bpf_object__for_each_map(map, obj) 22f6429476SToke Høiland-Jørgensen if (bpf_map__is_internal(map)) { 23f6429476SToke Høiland-Jørgensen data_map = map; 24f6429476SToke Høiland-Jørgensen break; 25f6429476SToke Høiland-Jørgensen } 26f6429476SToke Høiland-Jørgensen if (CHECK(!data_map, "find_data_map", "data map not found\n")) 27f6429476SToke Høiland-Jørgensen goto out; 28f6429476SToke Høiland-Jørgensen 29f6429476SToke Høiland-Jørgensen ret = bpf_map_lookup_elem(bpf_map__fd(data_map), &zero, result); 30f6429476SToke Høiland-Jørgensen if (CHECK(ret, "get_result", 31f6429476SToke Høiland-Jørgensen "failed to get output data: %d\n", ret)) 32f6429476SToke Høiland-Jørgensen goto out; 33f6429476SToke Høiland-Jørgensen 34f6429476SToke Høiland-Jørgensen for (i = 0; i < prog_cnt; i++) { 35f6429476SToke Høiland-Jørgensen if (CHECK(result[i] != 1, "result", 36f6429476SToke Høiland-Jørgensen "fexit_bpf2bpf result[%d] failed err %llu\n", 37f6429476SToke Høiland-Jørgensen i, result[i])) 38f6429476SToke Høiland-Jørgensen goto out; 39f6429476SToke Høiland-Jørgensen result[i] = 0; 40f6429476SToke Høiland-Jørgensen } 41f6429476SToke Høiland-Jørgensen if (reset) { 42f6429476SToke Høiland-Jørgensen ret = bpf_map_update_elem(bpf_map__fd(data_map), &zero, result, 0); 43f6429476SToke Høiland-Jørgensen if (CHECK(ret, "reset_result", "failed to reset result\n")) 44f6429476SToke Høiland-Jørgensen goto out; 45f6429476SToke Høiland-Jørgensen } 46f6429476SToke Høiland-Jørgensen 47f6429476SToke Høiland-Jørgensen ret = 0; 48f6429476SToke Høiland-Jørgensen out: 49f6429476SToke Høiland-Jørgensen free(result); 50f6429476SToke Høiland-Jørgensen return ret; 51f6429476SToke Høiland-Jørgensen } 52d6f39601SAlexei Starovoitov 538f9081c9SYonghong Song static void test_fexit_bpf2bpf_common(const char *obj_file, 548f9081c9SYonghong Song const char *target_obj_file, 558f9081c9SYonghong Song int prog_cnt, 561d8a0af5SToke Høiland-Jørgensen const char **prog_name, 57f6429476SToke Høiland-Jørgensen bool run_prog, 58f6429476SToke Høiland-Jørgensen test_cb cb) 59d6f39601SAlexei Starovoitov { 60f6429476SToke Høiland-Jørgensen struct bpf_object *obj = NULL, *tgt_obj; 61463c2149SToke Høiland-Jørgensen __u32 retval, tgt_prog_id, info_len; 62463c2149SToke Høiland-Jørgensen struct bpf_prog_info prog_info = {}; 6360aed220SAndrii Nakryiko struct bpf_program **prog = NULL, *p; 64f6429476SToke Høiland-Jørgensen struct bpf_link **link = NULL; 65f6429476SToke Høiland-Jørgensen int err, tgt_fd, i; 66463c2149SToke Høiland-Jørgensen struct btf *btf; 67d6f39601SAlexei Starovoitov 688f9081c9SYonghong Song err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, 69f6429476SToke Høiland-Jørgensen &tgt_obj, &tgt_fd); 70463c2149SToke Høiland-Jørgensen if (!ASSERT_OK(err, "tgt_prog_load")) 71d6f39601SAlexei Starovoitov return; 72d6f39601SAlexei Starovoitov 73463c2149SToke Høiland-Jørgensen info_len = sizeof(prog_info); 74463c2149SToke Høiland-Jørgensen err = bpf_obj_get_info_by_fd(tgt_fd, &prog_info, &info_len); 75463c2149SToke Høiland-Jørgensen if (!ASSERT_OK(err, "tgt_fd_get_info")) 76463c2149SToke Høiland-Jørgensen goto close_prog; 77463c2149SToke Høiland-Jørgensen 78463c2149SToke Høiland-Jørgensen tgt_prog_id = prog_info.id; 79463c2149SToke Høiland-Jørgensen btf = bpf_object__btf(tgt_obj); 80463c2149SToke Høiland-Jørgensen 818f9081c9SYonghong Song link = calloc(sizeof(struct bpf_link *), prog_cnt); 82463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(link, "link_ptr")) 83463c2149SToke Høiland-Jørgensen goto close_prog; 84463c2149SToke Høiland-Jørgensen 858f9081c9SYonghong Song prog = calloc(sizeof(struct bpf_program *), prog_cnt); 86463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(prog, "prog_ptr")) 878f9081c9SYonghong Song goto close_prog; 888f9081c9SYonghong Song 8960aed220SAndrii Nakryiko obj = bpf_object__open_file(obj_file, NULL); 90463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(obj, "obj_open")) 91d6f39601SAlexei Starovoitov goto close_prog; 92d6f39601SAlexei Starovoitov 9360aed220SAndrii Nakryiko bpf_object__for_each_program(p, obj) { 9460aed220SAndrii Nakryiko err = bpf_program__set_attach_target(p, tgt_fd, NULL); 9560aed220SAndrii Nakryiko ASSERT_OK(err, "set_attach_target"); 9660aed220SAndrii Nakryiko } 9760aed220SAndrii Nakryiko 98d6f39601SAlexei Starovoitov err = bpf_object__load(obj); 99463c2149SToke Høiland-Jørgensen if (!ASSERT_OK(err, "obj_load")) 100d6f39601SAlexei Starovoitov goto close_prog; 101d6f39601SAlexei Starovoitov 1028f9081c9SYonghong Song for (i = 0; i < prog_cnt; i++) { 103463c2149SToke Høiland-Jørgensen struct bpf_link_info link_info; 104463c2149SToke Høiland-Jørgensen char *tgt_name; 105463c2149SToke Høiland-Jørgensen __s32 btf_id; 106463c2149SToke Høiland-Jørgensen 107463c2149SToke Høiland-Jørgensen tgt_name = strstr(prog_name[i], "/"); 108463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(tgt_name, "tgt_name")) 109463c2149SToke Høiland-Jørgensen goto close_prog; 110463c2149SToke Høiland-Jørgensen btf_id = btf__find_by_name_kind(btf, tgt_name + 1, BTF_KIND_FUNC); 111463c2149SToke Høiland-Jørgensen 112d6f39601SAlexei Starovoitov prog[i] = bpf_object__find_program_by_title(obj, prog_name[i]); 113463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(prog[i], prog_name[i])) 114d6f39601SAlexei Starovoitov goto close_prog; 115463c2149SToke Høiland-Jørgensen 116d6f39601SAlexei Starovoitov link[i] = bpf_program__attach_trace(prog[i]); 117463c2149SToke Høiland-Jørgensen if (!ASSERT_OK_PTR(link[i], "attach_trace")) 118d6f39601SAlexei Starovoitov goto close_prog; 119463c2149SToke Høiland-Jørgensen 120463c2149SToke Høiland-Jørgensen info_len = sizeof(link_info); 121463c2149SToke Høiland-Jørgensen memset(&link_info, 0, sizeof(link_info)); 122463c2149SToke Høiland-Jørgensen err = bpf_obj_get_info_by_fd(bpf_link__fd(link[i]), 123463c2149SToke Høiland-Jørgensen &link_info, &info_len); 124463c2149SToke Høiland-Jørgensen ASSERT_OK(err, "link_fd_get_info"); 125463c2149SToke Høiland-Jørgensen ASSERT_EQ(link_info.tracing.attach_type, 126463c2149SToke Høiland-Jørgensen bpf_program__get_expected_attach_type(prog[i]), 127463c2149SToke Høiland-Jørgensen "link_attach_type"); 128463c2149SToke Høiland-Jørgensen ASSERT_EQ(link_info.tracing.target_obj_id, tgt_prog_id, "link_tgt_obj_id"); 129463c2149SToke Høiland-Jørgensen ASSERT_EQ(link_info.tracing.target_btf_id, btf_id, "link_tgt_btf_id"); 130d6f39601SAlexei Starovoitov } 1311d8a0af5SToke Høiland-Jørgensen 132f6429476SToke Høiland-Jørgensen if (cb) { 133f6429476SToke Høiland-Jørgensen err = cb(obj); 134f6429476SToke Høiland-Jørgensen if (err) 135f6429476SToke Høiland-Jørgensen goto close_prog; 136f6429476SToke Høiland-Jørgensen } 137f6429476SToke Høiland-Jørgensen 1381d8a0af5SToke Høiland-Jørgensen if (!run_prog) 1391d8a0af5SToke Høiland-Jørgensen goto close_prog; 1401d8a0af5SToke Høiland-Jørgensen 141f6429476SToke Høiland-Jørgensen err = bpf_prog_test_run(tgt_fd, 1, &pkt_v6, sizeof(pkt_v6), 142463c2149SToke Høiland-Jørgensen NULL, NULL, &retval, NULL); 143463c2149SToke Høiland-Jørgensen ASSERT_OK(err, "prog_run"); 144463c2149SToke Høiland-Jørgensen ASSERT_EQ(retval, 0, "prog_run_ret"); 145d6f39601SAlexei Starovoitov 146f6429476SToke Høiland-Jørgensen if (check_data_map(obj, prog_cnt, false)) 147d6f39601SAlexei Starovoitov goto close_prog; 148d6f39601SAlexei Starovoitov 149d6f39601SAlexei Starovoitov close_prog: 1508f9081c9SYonghong Song for (i = 0; i < prog_cnt; i++) 151d6f39601SAlexei Starovoitov bpf_link__destroy(link[i]); 152d6f39601SAlexei Starovoitov bpf_object__close(obj); 153f6429476SToke Høiland-Jørgensen bpf_object__close(tgt_obj); 1548f9081c9SYonghong Song free(link); 1558f9081c9SYonghong Song free(prog); 1568f9081c9SYonghong Song } 1578f9081c9SYonghong Song 1588f9081c9SYonghong Song static void test_target_no_callees(void) 1598f9081c9SYonghong Song { 1608f9081c9SYonghong Song const char *prog_name[] = { 1618f9081c9SYonghong Song "fexit/test_pkt_md_access", 1628f9081c9SYonghong Song }; 1638f9081c9SYonghong Song test_fexit_bpf2bpf_common("./fexit_bpf2bpf_simple.o", 1648f9081c9SYonghong Song "./test_pkt_md_access.o", 1658f9081c9SYonghong Song ARRAY_SIZE(prog_name), 166f6429476SToke Høiland-Jørgensen prog_name, true, NULL); 1678f9081c9SYonghong Song } 1688f9081c9SYonghong Song 1698f9081c9SYonghong Song static void test_target_yes_callees(void) 1708f9081c9SYonghong Song { 1718f9081c9SYonghong Song const char *prog_name[] = { 1728f9081c9SYonghong Song "fexit/test_pkt_access", 1738f9081c9SYonghong Song "fexit/test_pkt_access_subprog1", 1748f9081c9SYonghong Song "fexit/test_pkt_access_subprog2", 1757608e4dbSAlexei Starovoitov "fexit/test_pkt_access_subprog3", 1768f9081c9SYonghong Song }; 1778f9081c9SYonghong Song test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o", 1788f9081c9SYonghong Song "./test_pkt_access.o", 1798f9081c9SYonghong Song ARRAY_SIZE(prog_name), 180f6429476SToke Høiland-Jørgensen prog_name, true, NULL); 1818f9081c9SYonghong Song } 1828f9081c9SYonghong Song 1837805fe84SAlexei Starovoitov static void test_func_replace(void) 1847805fe84SAlexei Starovoitov { 1857805fe84SAlexei Starovoitov const char *prog_name[] = { 1867805fe84SAlexei Starovoitov "fexit/test_pkt_access", 1877805fe84SAlexei Starovoitov "fexit/test_pkt_access_subprog1", 1887805fe84SAlexei Starovoitov "fexit/test_pkt_access_subprog2", 1897805fe84SAlexei Starovoitov "fexit/test_pkt_access_subprog3", 1907805fe84SAlexei Starovoitov "freplace/get_skb_len", 1917805fe84SAlexei Starovoitov "freplace/get_skb_ifindex", 1927805fe84SAlexei Starovoitov "freplace/get_constant", 1936dc03dc7SUdip Pant "freplace/test_pkt_write_access_subprog", 1947805fe84SAlexei Starovoitov }; 1957805fe84SAlexei Starovoitov test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o", 1967805fe84SAlexei Starovoitov "./test_pkt_access.o", 1977805fe84SAlexei Starovoitov ARRAY_SIZE(prog_name), 198f6429476SToke Høiland-Jørgensen prog_name, true, NULL); 1991d8a0af5SToke Høiland-Jørgensen } 2001d8a0af5SToke Høiland-Jørgensen 2011d8a0af5SToke Høiland-Jørgensen static void test_func_replace_verify(void) 2021d8a0af5SToke Høiland-Jørgensen { 2031d8a0af5SToke Høiland-Jørgensen const char *prog_name[] = { 2041d8a0af5SToke Høiland-Jørgensen "freplace/do_bind", 2051d8a0af5SToke Høiland-Jørgensen }; 2061d8a0af5SToke Høiland-Jørgensen test_fexit_bpf2bpf_common("./freplace_connect4.o", 2071d8a0af5SToke Høiland-Jørgensen "./connect4_prog.o", 2081d8a0af5SToke Høiland-Jørgensen ARRAY_SIZE(prog_name), 209f6429476SToke Høiland-Jørgensen prog_name, false, NULL); 210f6429476SToke Høiland-Jørgensen } 211f6429476SToke Høiland-Jørgensen 212f6429476SToke Høiland-Jørgensen static int test_second_attach(struct bpf_object *obj) 213f6429476SToke Høiland-Jørgensen { 214f6429476SToke Høiland-Jørgensen const char *prog_name = "freplace/get_constant"; 215f6429476SToke Høiland-Jørgensen const char *tgt_name = prog_name + 9; /* cut off freplace/ */ 216f6429476SToke Høiland-Jørgensen const char *tgt_obj_file = "./test_pkt_access.o"; 217f6429476SToke Høiland-Jørgensen struct bpf_program *prog = NULL; 218f6429476SToke Høiland-Jørgensen struct bpf_object *tgt_obj; 219f6429476SToke Høiland-Jørgensen __u32 duration = 0, retval; 220f6429476SToke Høiland-Jørgensen struct bpf_link *link; 221f6429476SToke Høiland-Jørgensen int err = 0, tgt_fd; 222f6429476SToke Høiland-Jørgensen 223f6429476SToke Høiland-Jørgensen prog = bpf_object__find_program_by_title(obj, prog_name); 224f6429476SToke Høiland-Jørgensen if (CHECK(!prog, "find_prog", "prog %s not found\n", prog_name)) 225f6429476SToke Høiland-Jørgensen return -ENOENT; 226f6429476SToke Høiland-Jørgensen 227f6429476SToke Høiland-Jørgensen err = bpf_prog_load(tgt_obj_file, BPF_PROG_TYPE_UNSPEC, 228f6429476SToke Høiland-Jørgensen &tgt_obj, &tgt_fd); 229f6429476SToke Høiland-Jørgensen if (CHECK(err, "second_prog_load", "file %s err %d errno %d\n", 230f6429476SToke Høiland-Jørgensen tgt_obj_file, err, errno)) 231f6429476SToke Høiland-Jørgensen return err; 232f6429476SToke Høiland-Jørgensen 233f6429476SToke Høiland-Jørgensen link = bpf_program__attach_freplace(prog, tgt_fd, tgt_name); 234bad2e478SAndrii Nakryiko if (!ASSERT_OK_PTR(link, "second_link")) 235f6429476SToke Høiland-Jørgensen goto out; 236f6429476SToke Høiland-Jørgensen 237f6429476SToke Høiland-Jørgensen err = bpf_prog_test_run(tgt_fd, 1, &pkt_v6, sizeof(pkt_v6), 238f6429476SToke Høiland-Jørgensen NULL, NULL, &retval, &duration); 239f6429476SToke Høiland-Jørgensen if (CHECK(err || retval, "ipv6", 240f6429476SToke Høiland-Jørgensen "err %d errno %d retval %d duration %d\n", 241f6429476SToke Høiland-Jørgensen err, errno, retval, duration)) 242f6429476SToke Høiland-Jørgensen goto out; 243f6429476SToke Høiland-Jørgensen 244f6429476SToke Høiland-Jørgensen err = check_data_map(obj, 1, true); 245f6429476SToke Høiland-Jørgensen if (err) 246f6429476SToke Høiland-Jørgensen goto out; 247f6429476SToke Høiland-Jørgensen 248f6429476SToke Høiland-Jørgensen out: 249f6429476SToke Høiland-Jørgensen bpf_link__destroy(link); 250f6429476SToke Høiland-Jørgensen bpf_object__close(tgt_obj); 251f6429476SToke Høiland-Jørgensen return err; 252f6429476SToke Høiland-Jørgensen } 253f6429476SToke Høiland-Jørgensen 254f6429476SToke Høiland-Jørgensen static void test_func_replace_multi(void) 255f6429476SToke Høiland-Jørgensen { 256f6429476SToke Høiland-Jørgensen const char *prog_name[] = { 257f6429476SToke Høiland-Jørgensen "freplace/get_constant", 258f6429476SToke Høiland-Jørgensen }; 259f6429476SToke Høiland-Jørgensen test_fexit_bpf2bpf_common("./freplace_get_constant.o", 260f6429476SToke Høiland-Jørgensen "./test_pkt_access.o", 261f6429476SToke Høiland-Jørgensen ARRAY_SIZE(prog_name), 262f6429476SToke Høiland-Jørgensen prog_name, true, test_second_attach); 2637805fe84SAlexei Starovoitov } 2647805fe84SAlexei Starovoitov 265bee4b7e6SToke Høiland-Jørgensen static void test_fmod_ret_freplace(void) 266bee4b7e6SToke Høiland-Jørgensen { 267bee4b7e6SToke Høiland-Jørgensen struct bpf_object *freplace_obj = NULL, *pkt_obj, *fmod_obj = NULL; 268bee4b7e6SToke Høiland-Jørgensen const char *freplace_name = "./freplace_get_constant.o"; 269bee4b7e6SToke Høiland-Jørgensen const char *fmod_ret_name = "./fmod_ret_freplace.o"; 270bee4b7e6SToke Høiland-Jørgensen DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts); 271bee4b7e6SToke Høiland-Jørgensen const char *tgt_name = "./test_pkt_access.o"; 272bee4b7e6SToke Høiland-Jørgensen struct bpf_link *freplace_link = NULL; 273bee4b7e6SToke Høiland-Jørgensen struct bpf_program *prog; 274bee4b7e6SToke Høiland-Jørgensen __u32 duration = 0; 27560aed220SAndrii Nakryiko int err, pkt_fd, attach_prog_fd; 276bee4b7e6SToke Høiland-Jørgensen 277bee4b7e6SToke Høiland-Jørgensen err = bpf_prog_load(tgt_name, BPF_PROG_TYPE_UNSPEC, 278bee4b7e6SToke Høiland-Jørgensen &pkt_obj, &pkt_fd); 279bee4b7e6SToke Høiland-Jørgensen /* the target prog should load fine */ 280bee4b7e6SToke Høiland-Jørgensen if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n", 281bee4b7e6SToke Høiland-Jørgensen tgt_name, err, errno)) 282bee4b7e6SToke Høiland-Jørgensen return; 283bee4b7e6SToke Høiland-Jørgensen 28460aed220SAndrii Nakryiko freplace_obj = bpf_object__open_file(freplace_name, NULL); 285bad2e478SAndrii Nakryiko if (!ASSERT_OK_PTR(freplace_obj, "freplace_obj_open")) 286bee4b7e6SToke Høiland-Jørgensen goto out; 287bee4b7e6SToke Høiland-Jørgensen 2886f2b219bSHengqi Chen prog = bpf_object__next_program(freplace_obj, NULL); 28960aed220SAndrii Nakryiko err = bpf_program__set_attach_target(prog, pkt_fd, NULL); 29060aed220SAndrii Nakryiko ASSERT_OK(err, "freplace__set_attach_target"); 29160aed220SAndrii Nakryiko 292bee4b7e6SToke Høiland-Jørgensen err = bpf_object__load(freplace_obj); 293bee4b7e6SToke Høiland-Jørgensen if (CHECK(err, "freplace_obj_load", "err %d\n", err)) 294bee4b7e6SToke Høiland-Jørgensen goto out; 295bee4b7e6SToke Høiland-Jørgensen 296bee4b7e6SToke Høiland-Jørgensen freplace_link = bpf_program__attach_trace(prog); 297bad2e478SAndrii Nakryiko if (!ASSERT_OK_PTR(freplace_link, "freplace_attach_trace")) 298bee4b7e6SToke Høiland-Jørgensen goto out; 299bee4b7e6SToke Høiland-Jørgensen 30060aed220SAndrii Nakryiko fmod_obj = bpf_object__open_file(fmod_ret_name, NULL); 301bad2e478SAndrii Nakryiko if (!ASSERT_OK_PTR(fmod_obj, "fmod_obj_open")) 302bee4b7e6SToke Høiland-Jørgensen goto out; 303bee4b7e6SToke Høiland-Jørgensen 30460aed220SAndrii Nakryiko attach_prog_fd = bpf_program__fd(prog); 3056f2b219bSHengqi Chen prog = bpf_object__next_program(fmod_obj, NULL); 30660aed220SAndrii Nakryiko err = bpf_program__set_attach_target(prog, attach_prog_fd, NULL); 30760aed220SAndrii Nakryiko ASSERT_OK(err, "fmod_ret_set_attach_target"); 30860aed220SAndrii Nakryiko 309bee4b7e6SToke Høiland-Jørgensen err = bpf_object__load(fmod_obj); 310bee4b7e6SToke Høiland-Jørgensen if (CHECK(!err, "fmod_obj_load", "loading fmod_ret should fail\n")) 311bee4b7e6SToke Høiland-Jørgensen goto out; 312bee4b7e6SToke Høiland-Jørgensen 313bee4b7e6SToke Høiland-Jørgensen out: 314bee4b7e6SToke Høiland-Jørgensen bpf_link__destroy(freplace_link); 315bee4b7e6SToke Høiland-Jørgensen bpf_object__close(freplace_obj); 316bee4b7e6SToke Høiland-Jørgensen bpf_object__close(fmod_obj); 317bee4b7e6SToke Høiland-Jørgensen bpf_object__close(pkt_obj); 318bee4b7e6SToke Høiland-Jørgensen } 319bee4b7e6SToke Høiland-Jørgensen 320bee4b7e6SToke Høiland-Jørgensen 3211410620cSUdip Pant static void test_func_sockmap_update(void) 3221410620cSUdip Pant { 3231410620cSUdip Pant const char *prog_name[] = { 3241410620cSUdip Pant "freplace/cls_redirect", 3251410620cSUdip Pant }; 3261410620cSUdip Pant test_fexit_bpf2bpf_common("./freplace_cls_redirect.o", 3271410620cSUdip Pant "./test_cls_redirect.o", 3281410620cSUdip Pant ARRAY_SIZE(prog_name), 329f6429476SToke Høiland-Jørgensen prog_name, false, NULL); 3301410620cSUdip Pant } 3311410620cSUdip Pant 3321410620cSUdip Pant static void test_obj_load_failure_common(const char *obj_file, 3331410620cSUdip Pant const char *target_obj_file) 33450d19736SUdip Pant { 33550d19736SUdip Pant /* 33650d19736SUdip Pant * standalone test that asserts failure to load freplace prog 33750d19736SUdip Pant * because of invalid return code. 33850d19736SUdip Pant */ 33950d19736SUdip Pant struct bpf_object *obj = NULL, *pkt_obj; 34060aed220SAndrii Nakryiko struct bpf_program *prog; 34150d19736SUdip Pant int err, pkt_fd; 34250d19736SUdip Pant __u32 duration = 0; 34350d19736SUdip Pant 34450d19736SUdip Pant err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC, 34550d19736SUdip Pant &pkt_obj, &pkt_fd); 34650d19736SUdip Pant /* the target prog should load fine */ 34750d19736SUdip Pant if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n", 34850d19736SUdip Pant target_obj_file, err, errno)) 34950d19736SUdip Pant return; 35050d19736SUdip Pant 35160aed220SAndrii Nakryiko obj = bpf_object__open_file(obj_file, NULL); 352bad2e478SAndrii Nakryiko if (!ASSERT_OK_PTR(obj, "obj_open")) 35350d19736SUdip Pant goto close_prog; 35450d19736SUdip Pant 3556f2b219bSHengqi Chen prog = bpf_object__next_program(obj, NULL); 35660aed220SAndrii Nakryiko err = bpf_program__set_attach_target(prog, pkt_fd, NULL); 35760aed220SAndrii Nakryiko ASSERT_OK(err, "set_attach_target"); 35860aed220SAndrii Nakryiko 35950d19736SUdip Pant /* It should fail to load the program */ 36050d19736SUdip Pant err = bpf_object__load(obj); 36150d19736SUdip Pant if (CHECK(!err, "bpf_obj_load should fail", "err %d\n", err)) 36250d19736SUdip Pant goto close_prog; 36350d19736SUdip Pant 36450d19736SUdip Pant close_prog: 36550d19736SUdip Pant bpf_object__close(obj); 36650d19736SUdip Pant bpf_object__close(pkt_obj); 36750d19736SUdip Pant } 36850d19736SUdip Pant 3691410620cSUdip Pant static void test_func_replace_return_code(void) 3701410620cSUdip Pant { 3711410620cSUdip Pant /* test invalid return code in the replaced program */ 3721410620cSUdip Pant test_obj_load_failure_common("./freplace_connect_v4_prog.o", 3731410620cSUdip Pant "./connect4_prog.o"); 3741410620cSUdip Pant } 3751410620cSUdip Pant 3761410620cSUdip Pant static void test_func_map_prog_compatibility(void) 3771410620cSUdip Pant { 3781410620cSUdip Pant /* test with spin lock map value in the replaced program */ 3791410620cSUdip Pant test_obj_load_failure_common("./freplace_attach_probe.o", 3801410620cSUdip Pant "./test_attach_probe.o"); 3811410620cSUdip Pant } 3821410620cSUdip Pant 383*d3f7b166SYucong Sun /* NOTE: affect other tests, must run in serial mode */ 384*d3f7b166SYucong Sun void serial_test_fexit_bpf2bpf(void) 3858f9081c9SYonghong Song { 386d86687aeSAndrii Nakryiko if (test__start_subtest("target_no_callees")) 3878f9081c9SYonghong Song test_target_no_callees(); 388d86687aeSAndrii Nakryiko if (test__start_subtest("target_yes_callees")) 3898f9081c9SYonghong Song test_target_yes_callees(); 390d86687aeSAndrii Nakryiko if (test__start_subtest("func_replace")) 3917805fe84SAlexei Starovoitov test_func_replace(); 392d86687aeSAndrii Nakryiko if (test__start_subtest("func_replace_verify")) 3931d8a0af5SToke Høiland-Jørgensen test_func_replace_verify(); 394d86687aeSAndrii Nakryiko if (test__start_subtest("func_sockmap_update")) 3951410620cSUdip Pant test_func_sockmap_update(); 396d86687aeSAndrii Nakryiko if (test__start_subtest("func_replace_return_code")) 39750d19736SUdip Pant test_func_replace_return_code(); 398d86687aeSAndrii Nakryiko if (test__start_subtest("func_map_prog_compatibility")) 3991410620cSUdip Pant test_func_map_prog_compatibility(); 400f6429476SToke Høiland-Jørgensen if (test__start_subtest("func_replace_multi")) 401f6429476SToke Høiland-Jørgensen test_func_replace_multi(); 402bee4b7e6SToke Høiland-Jørgensen if (test__start_subtest("fmod_ret_freplace")) 403bee4b7e6SToke Høiland-Jørgensen test_fmod_ret_freplace(); 404d6f39601SAlexei Starovoitov } 405