13 	int err, fd1, fd2, fd3;  in test_xdp_attach()  local
18 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj1, &fd1);  in test_xdp_attach()
19 	if (CHECK_FAIL(err))  in test_xdp_attach()
21 	err = bpf_prog_get_info_by_fd(fd1, &info, &len);  in test_xdp_attach()
22 	if (CHECK_FAIL(err))  in test_xdp_attach()
26 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj2, &fd2);  in test_xdp_attach()
27 	if (CHECK_FAIL(err))  in test_xdp_attach()
31 	err = bpf_prog_get_info_by_fd(fd2, &info, &len);  in test_xdp_attach()
32 	if (CHECK_FAIL(err))  in test_xdp_attach()
36 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj3, &fd3);  in test_xdp_attach()
37 	if (CHECK_FAIL(err))  in test_xdp_attach()
40 	err = bpf_xdp_attach(IFINDEX_LO, fd1, XDP_FLAGS_REPLACE, &opts);  in test_xdp_attach()
41 	if (CHECK(err, "load_ok", "initial load failed"))  in test_xdp_attach()
44 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);  in test_xdp_attach()
45 	if (CHECK(err || id0 != id1, "id1_check",  in test_xdp_attach()
46 		  "loaded prog id %u != id1 %u, err %d", id0, id1, err))  in test_xdp_attach()
49 	err = bpf_xdp_attach(IFINDEX_LO, fd2, XDP_FLAGS_REPLACE, &opts);  in test_xdp_attach()
50 	if (CHECK(!err, "load_fail", "load with expected id didn't fail"))  in test_xdp_attach()
54 	err = bpf_xdp_attach(IFINDEX_LO, fd2, 0, &opts);  in test_xdp_attach()
55 	if (CHECK(err, "replace_ok", "replace valid old_fd failed"))  in test_xdp_attach()
57 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);  in test_xdp_attach()
58 	if (CHECK(err || id0 != id2, "id2_check",  in test_xdp_attach()
59 		  "loaded prog id %u != id2 %u, err %d", id0, id2, err))  in test_xdp_attach()
62 	err = bpf_xdp_attach(IFINDEX_LO, fd3, 0, &opts);  in test_xdp_attach()
63 	if (CHECK(!err, "replace_fail", "replace invalid old_fd didn't fail"))  in test_xdp_attach()
66 	err = bpf_xdp_detach(IFINDEX_LO, 0, &opts);  in test_xdp_attach()
67 	if (CHECK(!err, "remove_fail", "remove invalid old_fd didn't fail"))  in test_xdp_attach()
71 	err = bpf_xdp_detach(IFINDEX_LO, 0, &opts);  in test_xdp_attach()
72 	if (CHECK(err, "remove_ok", "remove valid old_fd failed"))  in test_xdp_attach()
75 	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);  in test_xdp_attach()
76 	if (CHECK(err || id0 != 0, "unload_check",  in test_xdp_attach()
77 		  "loaded prog id %u != 0, err %d", id0, err))  in test_xdp_attach()
110 	int err, fd_xdp;  in test_xdp_attach_fail()  local
118 	err = test_xdp_attach_fail__attach(skel);  in test_xdp_attach_fail()
119 	if (!ASSERT_EQ(err, 0, "test_xdp_attach_fail__attach"))  in test_xdp_attach_fail()
128 	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &fd_xdp);  in test_xdp_attach_fail()
129 	if (!ASSERT_EQ(err, 0, "bpf_prog_test_load"))  in test_xdp_attach_fail()
133 	err = bpf_link_create(fd_xdp, IFINDEX_LO, BPF_XDP, &opts);  in test_xdp_attach_fail()
134 	if (!ASSERT_EQ(err, -EINVAL, "bpf_link_create"))  in test_xdp_attach_fail()
138 	err = perf_buffer__poll(pb, 100);  in test_xdp_attach_fail()
139 	if (!ASSERT_GT(err, -1, "perf_buffer__poll"))  in test_xdp_attach_fail()