net/sctp/input.c

91 	struct sctp_association *asoc;
165 	asoc = __sctp_rcv_lookup(net, skb, &src, &dest, &transport, dif, sdif);
167 	if (!asoc)
171 	rcvr = asoc ? &asoc->base : &ep->base;
182 	if (!asoc) {
197 	chunk = sctp_chunkify(skb, asoc, sk, GFP_ATOMIC);
248 	/* Release the asoc/ep ref we took in the lookup calls. */
262 	/* Release the asoc/ep ref we took in the lookup calls. */
372 void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
382 		asoc->pmtu_pending = 1;
402 	sctp_assoc_sync_pmtu(asoc);
405 	sctp_retransmit(&asoc->outqueue, t, SCTP_RTXR_PMTUD);
432 			   struct sctp_association *asoc,
454 			   asoc->state, asoc->ep, asoc, t,
470 	struct sctp_association *asoc;
490 	asoc = __sctp_lookup_association(net, &saddr, &daddr, &transport, dif, sdif);
491 	if (!asoc)
494 	sk = asoc->base.sk;
516 		    ntohl(chunkhdr->init_hdr.init_tag) != asoc->c.my_vtag)
519 	} else if (vtag != asoc->c.peer_vtag) {
531 	*app = asoc;
551 	struct sctp_association *asoc = t->asoc;
552 	struct sock *sk = asoc->base.sk;
563 			sctp_icmp_frag_needed(sk, asoc, t, SCTP_TRUNC4(info));
567 			sctp_icmp_proto_unreachable(sk, asoc, t);
614 	struct sctp_association *asoc;
623 	sk = sctp_err_lookup(net, AF_INET, skb, sctp_hdr(skb), &asoc, &transport);
641 	struct sctp_association *asoc;
647 	sk = sctp_err_lookup(net, AF_INET, skb, sctp_hdr(skb), &asoc, &t);
894 	if (!net_eq(t->asoc->base.net, x->net))
896 	if (x->lport != htons(t->asoc->base.bind_addr.port))
909 	return sctp_hashfn(t->asoc->base.net,
910 			   htons(t->asoc->base.bind_addr.port),
946 	if (t->asoc->temp)
949 	arg.net   = t->asoc->base.net;
951 	arg.lport = htons(t->asoc->base.bind_addr.port);
958 		if (transport->asoc->ep == t->asoc->ep) {
974 	if (t->asoc->temp)
1014 		bound_dev_if = READ_ONCE(t->asoc->base.sk->sk_bound_dev_if);
1016 		    sctp_bind_addr_match(&t->asoc->base.bind_addr,
1017 					 laddr, sctp_sk(t->asoc->base.sk)))
1042 		if (ep == t->asoc->ep)
1057 	struct sctp_association *asoc = NULL;
1063 	asoc = t->asoc;
1067 	return asoc;
1078 	struct sctp_association *asoc;
1081 	asoc = __sctp_lookup_association(net, laddr, paddr, transportp, dif, sdif);
1084 	return asoc;
1126 	struct sctp_association *asoc;
1163 		asoc = __sctp_lookup_association(net, laddr, paddr, transportp, dif, sdif);
1164 		if (asoc)
1165 			return asoc;
1230 	struct sctp_association *asoc = NULL;
1268 				asoc = __sctp_rcv_asconf_lookup(
1277 		if (asoc)
1284 	return asoc;
1334 	struct sctp_association *asoc;
1336 	asoc = __sctp_lookup_association(net, laddr, paddr, transportp, dif, sdif);
1337 	if (asoc)
1344 	asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp, dif, sdif);
1345 	if (asoc)
1349 		pr_debug("sctp: asoc not found for src:%pI4:%d dst:%pI4:%d\n",
1353 		pr_debug("sctp: asoc not found for src:%pI6:%d dst:%pI6:%d\n",
1358 	return asoc;