311 						 __u8 *ttl, bool ipv6)  in values_get_tcpipopts()  argument
318 		if (ipv6)  in values_get_tcpipopts()
327 	*mss = ipv6 ? DEFAULT_MSS6 : DEFAULT_MSS4;  in values_get_tcpipopts()
370 	struct ipv6hdr *ipv6;  member
384 		hdr->ipv6 = NULL;  in tcp_dissect()
402 		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);  in tcp_dissect()
403 		if (hdr->ipv6 + 1 > data_end)  in tcp_dissect()
405 		if (hdr->ipv6->version != 6)  in tcp_dissect()
411 		if (hdr->ipv6->nexthdr != NEXTHDR_TCP)  in tcp_dissect()
414 		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);  in tcp_dissect()
452 	} else if (hdr->ipv6) {  in tcp_lookup()
453 		__builtin_memcpy(tup.ipv6.saddr, &hdr->ipv6->saddr, sizeof(tup.ipv6.saddr));  in tcp_lookup()
454 		__builtin_memcpy(tup.ipv6.daddr, &hdr->ipv6->daddr, sizeof(tup.ipv6.daddr));  in tcp_lookup()
455 		tup.ipv6.sport = hdr->tcp->source;  in tcp_lookup()
456 		tup.ipv6.dport = hdr->tcp->dest;  in tcp_lookup()
457 		tup_size = sizeof(tup.ipv6);  in tcp_lookup()
459 		/* The verifier can't track that either ipv4 or ipv6 is not  in tcp_lookup()
569 	swap(hdr->ipv6->saddr, hdr->ipv6->daddr);  in tcpv6_gen_synack()
570 	*(__be32 *)hdr->ipv6 = bpf_htonl(0x60000000);  in tcpv6_gen_synack()
571 	hdr->ipv6->hop_limit = ttl;  in tcpv6_gen_synack()
576 	hdr->ipv6->payload_len = bpf_htons(hdr->tcp_len);  in tcpv6_gen_synack()
638 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
643 		if (csum_ipv6_magic(&hdr->ipv6->saddr, &hdr->ipv6->daddr,  in syncookie_handle_syn()
647 		ip_len = sizeof(*hdr->ipv6);  in syncookie_handle_syn()
649 		value = bpf_tcp_raw_gen_syncookie_ipv6(hdr->ipv6, hdr->tcp,  in syncookie_handle_syn()
682 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
705 	} else if (hdr->ipv6) {  in syncookie_handle_syn()
706 		hdr->tcp->check = csum_ipv6_magic(&hdr->ipv6->saddr,  in syncookie_handle_syn()
707 						  &hdr->ipv6->daddr,  in syncookie_handle_syn()
740 	else if (hdr->ipv6)  in syncookie_handle_ack()
741 		err = bpf_tcp_raw_check_syncookie_ipv6(hdr->ipv6, hdr->tcp);  in syncookie_handle_ack()
799 	} else if (hdr->ipv6) {  in syncookie_part2()
801 		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);  in syncookie_part2()
802 		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);  in syncookie_part2()