bpf/prog_tests/xdp_link.c

17 	int err;
32 	err = bpf_prog_get_info_by_fd(prog_fd1, &prog_info, &prog_info_len);
33 	if (!ASSERT_OK(err, "fd_info1"))
38 	err = bpf_prog_get_info_by_fd(prog_fd2, &prog_info, &prog_info_len);
39 	if (!ASSERT_OK(err, "fd_info2"))
44 	err = bpf_xdp_attach(IFINDEX_LO, prog_fd1, XDP_FLAGS_REPLACE, &opts);
45 	if (!ASSERT_OK(err, "fd_attach"))
49 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
50 	if (!ASSERT_OK(err, "id1_check_err") || !ASSERT_EQ(id0, id1, "id1_check_val"))
65 	err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_REPLACE, &opts);
66 	if (!ASSERT_OK(err, "prog_detach"))
76 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
77 	if (!ASSERT_OK(err, "id1_check_err") || !ASSERT_EQ(id0, id1, "id1_check_val"))
82 	err = bpf_xdp_attach(IFINDEX_LO, prog_fd2, XDP_FLAGS_REPLACE, &opts);
83 	if (!ASSERT_ERR(err, "prog_attach_fail"))
87 	err = bpf_xdp_attach(IFINDEX_LO, prog_fd2, 0, NULL);
88 	if (!ASSERT_ERR(err, "prog_update_fail"))
92 	err = bpf_xdp_detach(IFINDEX_LO, 0, NULL);
93 	if (!ASSERT_ERR(err, "prog_detach_fail"))
112 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
113 	if (!ASSERT_OK(err, "id2_check_err") || !ASSERT_EQ(id0, id2, "id2_check_val"))
117 	err = bpf_link__update_program(link, skel1->progs.xdp_handler);
118 	if (!ASSERT_OK(err, "link_upd"))
122 	err = bpf_link_get_info_by_fd(bpf_link__fd(link),
124 	if (!ASSERT_OK(err, "link_info"))
132 	err = bpf_link__update_program(link, skel1->progs.tc_handler);
133 	if (!ASSERT_ERR(err, "link_upd_invalid"))
136 	err = bpf_link__detach(link);
137 	if (!ASSERT_OK(err, "link_detach"))
141 	err = bpf_link_get_info_by_fd(bpf_link__fd(link),
144 	ASSERT_OK(err, "link_info");