bpf/progs/test_cls_redirect.c

366 /* Global metrics, per CPU
403 				       struct in_addr *next_hop, metrics_t *metrics)
405 	metrics->forwarded_packets_total_gre++;
431 			metrics->errors_total_malformed_encapsulation++;
436 			metrics->errors_total_redirect_loop++;
445 			metrics->errors_total_malformed_encapsulation++;
456 			metrics->errors_total_malformed_encapsulation++;
461 			metrics->errors_total_redirect_loop++;
473 			metrics->errors_total_malformed_encapsulation++;
482 			metrics->errors_total_malformed_encapsulation++;
488 		metrics->errors_total_encap_mtu_violate++;
496 		metrics->errors_total_encap_adjust_failed++;
501 		metrics->errors_total_encap_buffer_too_small++;
513 		metrics->errors_total_encap_buffer_too_small++;
530 					  struct in_addr *next_hop, metrics_t *metrics)
545 		return forward_with_gre(skb, encap, next_hop, metrics);
548 	metrics->forwarded_packets_total_gue++;
703 					metrics_t *metrics)
713 		metrics->errors_total_malformed_icmp++;
718 static INLINING verdict_t process_icmpv4(buf_t *pkt, metrics_t *metrics)
722 		metrics->errors_total_malformed_icmp++;
728 		metrics->errors_total_icmp_echo_replies++;
737 		metrics->errors_total_unwanted_icmp++;
744 		metrics->errors_total_malformed_icmp_pkt_too_big++;
757 		metrics->errors_total_malformed_icmp_pkt_too_big++;
762 			     sizeof(tuple.ipv4), metrics);
765 static INLINING verdict_t process_icmpv6(buf_t *pkt, metrics_t *metrics)
769 		metrics->errors_total_malformed_icmp++;
775 		metrics->errors_total_icmp_echo_replies++;
784 		metrics->errors_total_unwanted_icmp++;
794 		metrics->errors_total_malformed_icmp_pkt_too_big++;
799 		metrics->errors_total_fragmented_ip++;
809 		metrics->errors_total_malformed_icmp_pkt_too_big++;
814 			     metrics);
818 				      metrics_t *metrics)
820 	metrics->l4_protocol_packets_total_tcp++;
825 		metrics->errors_total_malformed_tcp++;
840 				      metrics_t *metrics)
842 	metrics->l4_protocol_packets_total_udp++;
847 		metrics->errors_total_malformed_udp++;
857 static INLINING verdict_t process_ipv4(buf_t *pkt, metrics_t *metrics)
859 	metrics->l3_protocol_packets_total_ipv4++;
864 		metrics->errors_total_malformed_ip++;
869 		metrics->errors_total_malformed_ip++;
874 		metrics->errors_total_fragmented_ip++;
880 		return process_icmpv4(pkt, metrics);
883 		return process_tcp(pkt, ipv4, sizeof(*ipv4), metrics);
886 		return process_udp(pkt, ipv4, sizeof(*ipv4), metrics);
889 		metrics->errors_total_unknown_l4_proto++;
894 static INLINING verdict_t process_ipv6(buf_t *pkt, metrics_t *metrics)
896 	metrics->l3_protocol_packets_total_ipv6++;
904 		metrics->errors_total_malformed_ip++;
909 		metrics->errors_total_malformed_ip++;
914 		metrics->errors_total_fragmented_ip++;
920 		return process_icmpv6(pkt, metrics);
923 		return process_tcp(pkt, ipv6, sizeof(*ipv6), metrics);
926 		return process_udp(pkt, ipv6, sizeof(*ipv6), metrics);
929 		metrics->errors_total_unknown_l4_proto++;
937 	metrics_t *metrics = get_global_metrics();
938 	if (metrics == NULL) {
942 	metrics->processed_packets_total++;
990 		metrics->errors_total_fragmented_ip++;
995 		metrics->errors_total_malformed_encapsulation++;
1000 		metrics->errors_total_malformed_encapsulation++;
1005 		metrics->errors_total_malformed_encapsulation++;
1011 		metrics->errors_total_malformed_encapsulation++;
1016 		metrics->errors_total_malformed_encapsulation++;
1028 		metrics->accepted_packets_total_last_hop++;
1035 		verdict = process_ipv4(&pkt, metrics);
1039 		verdict = process_ipv6(&pkt, metrics);
1043 		metrics->errors_total_unknown_l3_proto++;
1049 		/* metrics have already been bumped */
1053 		return forward_to_next_hop(skb, encap, &next_hop, metrics);
1056 		metrics->accepted_packets_total_icmp_echo_request++;
1062 						   metrics);
1065 		metrics->accepted_packets_total_syn++;
1069 		metrics->accepted_packets_total_syn_cookies++;
1073 		metrics->accepted_packets_total_established++;