bpf/prog_tests/flow_dissector_reattach.c

25 	int err;
27 	err = bpf_prog_query(netns, BPF_FLOW_DISSECTOR, 0, NULL,
29 	if (CHECK_FAIL(err)) {
61 	int err;
63 	err = bpf_prog_get_info_by_fd(prog, &info, &info_len);
64 	if (CHECK_FAIL(err || info_len != sizeof(info))) {
74 	int err, new_net;
76 	err = unshare(CLONE_NEWNET);
77 	if (CHECK_FAIL(err)) {
92 	int err;
94 	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
95 	if (CHECK_FAIL(err)) {
102 	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
103 	if (CHECK_FAIL(err)) {
110 	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
111 	if (CHECK_FAIL(!err || errno != EINVAL))
116 	err = bpf_prog_detach2(prog2, 0, BPF_FLOW_DISSECTOR);
117 	if (CHECK_FAIL(err))
150 	int err, link;
152 	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
153 	if (CHECK_FAIL(err)) {
168 	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
169 	if (CHECK_FAIL(err))
177 	int err, link;
188 	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
189 	if (CHECK_FAIL(!err || errno != EEXIST))
200 	int err, link;
211 	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
212 	if (CHECK_FAIL(!err || errno != EINVAL))
222 	int err;
224 	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
225 	if (CHECK_FAIL(err)) {
231 	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
232 	if (CHECK_FAIL(err)) {
262 	int err, link;
274 	err = bpf_link_update(link, prog2, &update_opts);
275 	if (CHECK_FAIL(err))
287 	int err, link;
299 	err = bpf_link_update(link, prog2, &update_opts);
300 	if (CHECK_FAIL(err))
312 	int err, link;
324 	err = bpf_link_update(link, prog1, &update_opts);
325 	if (CHECK_FAIL(err))
337 	int err, link;
350 	err = bpf_link_update(link, prog2, &update_opts);
351 	if (CHECK_FAIL(!err || errno != EINVAL)) {
361 	err = bpf_link_update(link, prog2, &update_opts);
362 	if (CHECK_FAIL(!err || errno != EPERM)) {
372 	err = bpf_link_update(link, prog2, &update_opts);
373 	if (CHECK_FAIL(!err || errno != EBADF)) {
383 	err = bpf_link_update(link, prog2, &update_opts);
384 	if (CHECK_FAIL(!err || errno != EINVAL))
397 	int err, link, prog3;
410 	err = bpf_link_update(link, -1, &update_opts);
411 	if (CHECK_FAIL(!err || errno != EBADF)) {
425 	err = bpf_link_update(link, prog3, &update_opts);
426 	if (CHECK_FAIL(!err || errno != EINVAL))
440 	int err, link, old_net;
455 	err = setns(old_net, CLONE_NEWNET);
456 	if (CHECK_FAIL(err)) {
466 	err = bpf_link_update(link, prog2, &update_opts);
467 	if (CHECK_FAIL(!err || errno != ENOLINK))
480 	int err, link, old_net;
487 	err = fstat(netns, &netns_stat);
488 	if (CHECK_FAIL(err)) {
500 	err = bpf_link_get_info_by_fd(link, &info, &info_len);
501 	if (CHECK_FAIL(err)) {
516 	err = bpf_link_update(link, prog2, &update_opts);
517 	if (CHECK_FAIL(err)) {
524 	err = bpf_link_get_info_by_fd(link, &info, &info_len);
525 	if (CHECK_FAIL(err)) {
539 	err = setns(old_net, CLONE_NEWNET);
540 	if (CHECK_FAIL(err)) {
549 	err = bpf_link_get_info_by_fd(link, &info, &info_len);
550 	if (CHECK_FAIL(err)) {
633 	int err, new_net, saved_net;
647 	err = setns(init_net, CLONE_NEWNET);
648 	if (CHECK_FAIL(err)) {
671 	err = setns(saved_net, CLONE_NEWNET);
672 	if (CHECK_FAIL(err))