145 	struct sock *sk;  in sctp_v6_err()  local
160 	sk = sctp_err_lookup(net, AF_INET6, skb, sctp_hdr(skb), &asoc, &transport);  in sctp_v6_err()
164 	if (!sk) {  in sctp_v6_err()
175 		if (ip6_sk_accept_pmtu(sk))  in sctp_v6_err()
176 			sctp_icmp_frag_needed(sk, asoc, transport, ntohl(info));  in sctp_v6_err()
180 			sctp_icmp_proto_unreachable(sk, asoc, transport);  in sctp_v6_err()
185 		sctp_icmp_redirect(sk, transport, skb);  in sctp_v6_err()
191 	np = inet6_sk(sk);  in sctp_v6_err()
193 	if (!sock_owned_by_user(sk) && np->recverr) {  in sctp_v6_err()
194 		sk->sk_err = err;  in sctp_v6_err()
195 		sk->sk_error_report(sk);  in sctp_v6_err()
197 		sk->sk_err_soft = err;  in sctp_v6_err()
201 	sctp_err_finish(sk, asoc);  in sctp_v6_err()
209 	struct sock *sk = skb->sk;  in sctp_v6_xmit()  local
210 	struct ipv6_pinfo *np = inet6_sk(sk);  in sctp_v6_xmit()
217 	IP6_ECN_flow_xmit(sk, fl6->flowlabel);  in sctp_v6_xmit()
222 	SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS);  in sctp_v6_xmit()
225 	res = ip6_xmit(sk, skb, fl6, rcu_dereference(np->opt), np->tclass);  in sctp_v6_xmit()
234 			    struct flowi *fl, struct sock *sk)  in sctp_v6_get_dst()  argument
240 	struct ipv6_pinfo *np = inet6_sk(sk);  in sctp_v6_get_dst()
273 	dst = ip6_dst_lookup_flow(sk, fl6, final_p);  in sctp_v6_get_dst()
330 		dst = ip6_dst_lookup_flow(sk, fl6, final_p);  in sctp_v6_get_dst()
363 static void sctp_v6_get_saddr(struct sctp_sock *sk,  in sctp_v6_get_saddr()  argument
434 static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)  in sctp_v6_from_sk()  argument
438 	addr->v6.sin6_addr = sk->sk_v6_rcv_saddr;  in sctp_v6_from_sk()
442 static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk)  in sctp_v6_to_sk_saddr()  argument
445 		sk->sk_v6_rcv_saddr.s6_addr32[0] = 0;  in sctp_v6_to_sk_saddr()
446 		sk->sk_v6_rcv_saddr.s6_addr32[1] = 0;  in sctp_v6_to_sk_saddr()
447 		sk->sk_v6_rcv_saddr.s6_addr32[2] = htonl(0x0000ffff);  in sctp_v6_to_sk_saddr()
448 		sk->sk_v6_rcv_saddr.s6_addr32[3] =  in sctp_v6_to_sk_saddr()
451 		sk->sk_v6_rcv_saddr = addr->v6.sin6_addr;  in sctp_v6_to_sk_saddr()
456 static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)  in sctp_v6_to_sk_daddr()  argument
459 		sk->sk_v6_daddr.s6_addr32[0] = 0;  in sctp_v6_to_sk_daddr()
460 		sk->sk_v6_daddr.s6_addr32[1] = 0;  in sctp_v6_to_sk_daddr()
461 		sk->sk_v6_daddr.s6_addr32[2] = htonl(0x0000ffff);  in sctp_v6_to_sk_daddr()
462 		sk->sk_v6_daddr.s6_addr32[3] = addr->v4.sin_addr.s_addr;  in sctp_v6_to_sk_daddr()
464 		sk->sk_v6_daddr = addr->v6.sin6_addr;  in sctp_v6_to_sk_daddr()
576 	return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0);  in sctp_v6_available()
640 static struct sock *sctp_v6_create_accept_sk(struct sock *sk,  in sctp_v6_create_accept_sk()  argument
644 	struct ipv6_pinfo *newnp, *np = inet6_sk(sk);  in sctp_v6_create_accept_sk()
648 	newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, 0);  in sctp_v6_create_accept_sk()
654 	sctp_copy_sock(newsk, sk, asoc);  in sctp_v6_create_accept_sk()
655 	sock_reset_flag(sk, SOCK_ZAPPED);  in sctp_v6_create_accept_sk()
660 	sctp_sk(newsk)->v4mapped = sctp_sk(sk)->v4mapped;  in sctp_v6_create_accept_sk()
678 	newsk->sk_v6_rcv_saddr = sk->sk_v6_rcv_saddr;  in sctp_v6_create_accept_sk()
729 static void sctp_v6_ecn_capable(struct sock *sk)  in sctp_v6_ecn_capable()  argument
731 	inet6_sk(sk)->tclass |= INET_ECN_ECT_0;  in sctp_v6_ecn_capable()
764 	*addrlen = sctp_v6_addr_to_user(sctp_sk(asoc->base.sk), addr);  in sctp_inet6_event_msgname()
795 	*addr_len = sctp_v6_addr_to_user(sctp_sk(skb->sk), addr);  in sctp_inet6_skb_msgname()
822 	struct sock *sk = sctp_opt2sk(opt);  in sctp_inet6_cmp_addr()  local
831 	if (__ipv6_only_sock(sk) && af1 != af2)  in sctp_inet6_cmp_addr()
835 	if (sctp_is_any(sk, addr1) || sctp_is_any(sk, addr2))  in sctp_inet6_cmp_addr()
862 			net = sock_net(&opt->inet.sk);  in sctp_inet6_bind_verify()
896 			dev = dev_get_by_index_rcu(sock_net(&opt->inet.sk),  in sctp_inet6_send_verify()
936 	*uaddr_len = sctp_v6_addr_to_user(sctp_sk(sock->sk),  in sctp_getname()