218 	__u64 off = sizeof(struct eth_hdr);  in calc_offset()  local
220 		off += sizeof(struct ipv6hdr);  in calc_offset()
222 			off += sizeof(struct icmp6hdr) + sizeof(struct ipv6hdr);  in calc_offset()
224 		off += sizeof(struct iphdr);  in calc_offset()
226 			off += sizeof(struct icmphdr) + sizeof(struct iphdr);  in calc_offset()
228 	return off;  in calc_offset()
237 	__u64 off = calc_offset(is_ipv6, is_icmp);  in parse_udp()  local
239 	udp = data + off;  in parse_udp()
259 	__u64 off = calc_offset(is_ipv6, is_icmp);  in parse_tcp()  local
262 	tcp = data + off;  in parse_tcp()
435 	__u64 off = 0;  in send_icmp_reply()  local
440 	off += sizeof(struct eth_hdr);  in send_icmp_reply()
441 	iph = data + off;  in send_icmp_reply()
442 	off += sizeof(struct iphdr);  in send_icmp_reply()
443 	icmp_hdr = data + off;  in send_icmp_reply()
465 	__u64 off = 0;  in send_icmp6_reply()  local
470 	off += sizeof(struct eth_hdr);  in send_icmp6_reply()
471 	ip6h = data + off;  in send_icmp6_reply()
472 	off += sizeof(struct ipv6hdr);  in send_icmp6_reply()
473 	icmp_hdr = data + off;  in send_icmp6_reply()
484 int parse_icmpv6(void *data, void *data_end, __u64 off,  in parse_icmpv6()  argument
490 	icmp_hdr = data + off;  in parse_icmpv6()
497 	off += sizeof(struct icmp6hdr);  in parse_icmpv6()
498 	ip6h = data + off;  in parse_icmpv6()
509 int parse_icmp(void *data, void *data_end, __u64 off,  in parse_icmp()  argument
515 	icmp_hdr = data + off;  in parse_icmp()
522 	off += sizeof(struct icmphdr);  in parse_icmp()
523 	iph = data + off;  in parse_icmp()
629 				 __u8 *protocol, __u64 off,  in process_l3_headers_v6()  argument
637 	ip6h = data + off;  in process_l3_headers_v6()
644 	off += iph_len;  in process_l3_headers_v6()
648 		action = parse_icmpv6(data, data_end, off, pckt);  in process_l3_headers_v6()
660 				 __u8 *protocol, __u64 off,  in process_l3_headers_v4()  argument
668 	iph = data + off;  in process_l3_headers_v4()
676 	off += 20;  in process_l3_headers_v4()
680 		action = parse_icmp(data, data_end, off, pckt);  in process_l3_headers_v4()
691 static int process_packet(void *data, __u64 off, void *data_end,  in process_packet()  argument
713 		action = process_l3_headers_v6(&pckt, &protocol, off,  in process_packet()
716 		action = process_l3_headers_v4(&pckt, &protocol, off,  in process_packet()