309 						 __u8 *ttl, bool ipv6)  in values_get_tcpipopts()  argument
316 		if (ipv6)  in values_get_tcpipopts()
325 	*mss = ipv6 ? DEFAULT_MSS6 : DEFAULT_MSS4;  in values_get_tcpipopts()
368 	struct ipv6hdr *ipv6;  member
382 		hdr->ipv6 = NULL;  in tcp_dissect()
400 		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);  in tcp_dissect()
401 		if (hdr->ipv6 + 1 > data_end)  in tcp_dissect()
403 		if (hdr->ipv6->version != 6)  in tcp_dissect()
409 		if (hdr->ipv6->nexthdr != NEXTHDR_TCP)  in tcp_dissect()
412 		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);  in tcp_dissect()
450 	} else if (hdr->ipv6) {  in tcp_lookup()
451 		__builtin_memcpy(tup.ipv6.saddr, &hdr->ipv6->saddr, sizeof(tup.ipv6.saddr));  in tcp_lookup()
452 		__builtin_memcpy(tup.ipv6.daddr, &hdr->ipv6->daddr, sizeof(tup.ipv6.daddr));  in tcp_lookup()
453 		tup.ipv6.sport = hdr->tcp->source;  in tcp_lookup()
454 		tup.ipv6.dport = hdr->tcp->dest;  in tcp_lookup()
455 		tup_size = sizeof(tup.ipv6);  in tcp_lookup()
567 	swap(hdr->ipv6->saddr, hdr->ipv6->daddr);  in tcpv6_gen_synack()
568 	*(__be32 *)hdr->ipv6 = bpf_htonl(0x60000000);  in tcpv6_gen_synack()
569 	hdr->ipv6->hop_limit = ttl;  in tcpv6_gen_synack()
574 	hdr->ipv6->payload_len = bpf_htons(hdr->tcp_len);  in tcpv6_gen_synack()
636 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
641 		if (csum_ipv6_magic(&hdr->ipv6->saddr, &hdr->ipv6->daddr,  in syncookie_handle_syn()
645 		ip_len = sizeof(*hdr->ipv6);  in syncookie_handle_syn()
647 		value = bpf_tcp_raw_gen_syncookie_ipv6(hdr->ipv6, hdr->tcp,  in syncookie_handle_syn()
680 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
703 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
704 		hdr->tcp->check = csum_ipv6_magic(&hdr->ipv6->saddr,  in syncookie_handle_syn()
705 						  &hdr->ipv6->daddr,  in syncookie_handle_syn()
738 	else if (hdr->ipv6)  in syncookie_handle_ack()
739 		err = bpf_tcp_raw_check_syncookie_ipv6(hdr->ipv6, hdr->tcp);  in syncookie_handle_ack()
797 	} else if (hdr->ipv6) {  in syncookie_part2()
799 		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);  in syncookie_part2()
800 		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);  in syncookie_part2()