bpf/progs/test_tunnel_kern.c

16 #define log_err(__ret) bpf_printk("ERROR line:%d ret:%d\n", __LINE__, __ret)
48 	int ret;
57 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
59 	if (ret < 0) {
60 		log_err(ret);
70 	int ret;
77 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
80 	if (ret < 0) {
81 		log_err(ret);
91 	int ret;
94 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
95 	if (ret < 0) {
96 		log_err(ret);
108 	int ret;
117 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
120 	if (ret < 0) {
121 		log_err(ret);
132 	int ret;
134 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
136 	if (ret < 0) {
137 		log_err(ret);
152 	int ret;
160 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
162 	if (ret < 0) {
163 		log_err(ret);
181 	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
182 	if (ret < 0) {
183 		log_err(ret);
195 	int ret;
197 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
198 	if (ret < 0) {
199 		log_err(ret);
203 	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
204 	if (ret < 0) {
205 		log_err(ret);
231 	int ret;
239 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
241 	if (ret < 0) {
242 		log_err(ret);
261 	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
262 	if (ret < 0) {
263 		log_err(ret);
275 	int ret;
277 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
279 	if (ret < 0) {
280 		log_err(ret);
284 	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
285 	if (ret < 0) {
286 		log_err(ret);
314 	int ret = 0;
318 		log_err(ret);
329 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
331 	if (ret < 0) {
332 		log_err(ret);
337 	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
338 	if (ret < 0) {
339 		log_err(ret);
353 	int ret = 0;
357 		log_err(ret);
368 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
370 	if (ret < 0) {
371 		log_err(ret);
376 	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
377 	if (ret < 0) {
378 		log_err(ret);
388 	int ret;
392 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
394 	if (ret < 0) {
395 		log_err(ret);
399 	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
400 	if (ret < 0) {
401 		log_err(ret);
412 		log_err(ret);
427 	int ret = 0;
431 		log_err(ret);
440 		log_err(ret);
448 		log_err(ret);
459 			log_err(ret);
464 			log_err(ret);
478 	int ret = 0;
482 		log_err(ret);
493 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
495 	if (ret < 0) {
496 		log_err(ret);
509 	int ret = 0;
513 		log_err(ret);
524 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
526 	if (ret < 0) {
527 		log_err(ret);
540 	int ret = 0;
544 		log_err(ret);
548 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
550 	if (ret < 0) {
551 		log_err(ret);
563 		log_err(ret);
578 	int ret;
598 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
600 	if (ret < 0) {
601 		log_err(ret);
605 	ret = bpf_skb_set_tunnel_opt(skb, gopt, sizeof(local_gopt));
606 	if (ret < 0) {
607 		log_err(ret);
617 	int ret;
621 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
622 	if (ret < 0) {
623 		log_err(ret);
627 	ret = bpf_skb_get_tunnel_opt(skb, &gopt, sizeof(gopt));
628 	if (ret < 0)
642 	int ret;
650 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
652 	if (ret < 0) {
653 		log_err(ret);
666 	ret = bpf_skb_set_tunnel_opt(skb, gopt, sizeof(gopt));
667 	if (ret < 0) {
668 		log_err(ret);
680 	int ret;
682 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
684 	if (ret < 0) {
685 		log_err(ret);
689 	ret = bpf_skb_get_tunnel_opt(skb, &gopt, sizeof(gopt));
690 	if (ret < 0)
706 	int ret;
719 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), 0);
720 	if (ret < 0) {
721 		log_err(ret);
731 	int ret;
734 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
735 	if (ret < 0) {
736 		log_err(ret);
752 	int ret;
763 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), 0);
764 	if (ret < 0) {
765 		log_err(ret);
772 	ret = bpf_skb_set_fou_encap(skb, &encap, FOU_BPF_ENCAP_GUE);
773 	if (ret < 0) {
774 		log_err(ret);
789 	int ret;
800 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), 0);
801 	if (ret < 0) {
802 		log_err(ret);
809 	ret = bpf_skb_set_fou_encap(skb, &encap, FOU_BPF_ENCAP_FOU);
810 	if (ret < 0) {
811 		log_err(ret);
821 	int ret;
825 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
826 	if (ret < 0) {
827 		log_err(ret);
831 	ret = bpf_skb_get_fou_encap(skb, &encap);
832 	if (ret < 0) {
833 		log_err(ret);
840 	bpf_printk("%d remote ip 0x%x, sport %d, dport %d\n", ret,
853 	int ret;
867 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
869 	if (ret < 0) {
870 		log_err(ret);
880 	int ret;
883 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
885 	if (ret < 0) {
886 		log_err(ret);
902 	int ret;
915 	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
917 	if (ret < 0) {
918 		log_err(ret);
928 	int ret;
931 	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
933 	if (ret < 0) {
934 		log_err(ret);
951 	int ret;
953 	ret = bpf_skb_get_xfrm_state(skb, 0, &x, sizeof(x), 0);
954 	if (ret < 0)