Lines Matching full:peer
167 asoc->peer.rwnd = SCTP_DEFAULT_MAXWINDOW; in sctp_association_init()
203 INIT_LIST_HEAD(&asoc->peer.transport_addr_list); in sctp_association_init()
216 asoc->peer.sack_needed = 1; in sctp_association_init()
217 asoc->peer.sack_generation = 1; in sctp_association_init()
236 /* Assume that peer would support both address types unless we are in sctp_association_init()
239 asoc->peer.ipv4_address = 1; in sctp_association_init()
241 asoc->peer.ipv6_address = 1; in sctp_association_init()
346 sctp_tsnmap_free(&asoc->peer.tsn_map); in sctp_association_free()
367 /* Free peer's cached cookie. */ in sctp_association_free()
368 kfree(asoc->peer.cookie); in sctp_association_free()
369 kfree(asoc->peer.peer_random); in sctp_association_free()
370 kfree(asoc->peer.peer_chunks); in sctp_association_free()
371 kfree(asoc->peer.peer_hmacs); in sctp_association_free()
374 list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { in sctp_association_free()
381 asoc->peer.transport_count = 0; in sctp_association_free()
420 /* Change the primary destination address for the peer. */
429 if (asoc->peer.primary_path != NULL && in sctp_assoc_set_primary()
430 asoc->peer.primary_path != transport) in sctp_assoc_set_primary()
433 asoc->peer.primary_path = transport; in sctp_assoc_set_primary()
438 memcpy(&asoc->peer.primary_addr, &transport->ipaddr, in sctp_assoc_set_primary()
446 asoc->peer.active_path = transport; in sctp_assoc_set_primary()
481 struct sctp_transport *peer) in sctp_assoc_rm_peer() argument
488 __func__, asoc, &peer->ipaddr.sa); in sctp_assoc_rm_peer()
491 * to the next peer before removing this peer from the list. in sctp_assoc_rm_peer()
493 if (asoc->peer.retran_path == peer) in sctp_assoc_rm_peer()
496 /* Remove this peer from the list. */ in sctp_assoc_rm_peer()
497 list_del_rcu(&peer->transports); in sctp_assoc_rm_peer()
498 /* Remove this peer from the transport hashtable */ in sctp_assoc_rm_peer()
499 sctp_unhash_transport(peer); in sctp_assoc_rm_peer()
502 pos = asoc->peer.transport_addr_list.next; in sctp_assoc_rm_peer()
505 /* Update any entries that match the peer to be deleted. */ in sctp_assoc_rm_peer()
506 if (asoc->peer.primary_path == peer) in sctp_assoc_rm_peer()
508 if (asoc->peer.active_path == peer) in sctp_assoc_rm_peer()
509 asoc->peer.active_path = transport; in sctp_assoc_rm_peer()
510 if (asoc->peer.retran_path == peer) in sctp_assoc_rm_peer()
511 asoc->peer.retran_path = transport; in sctp_assoc_rm_peer()
512 if (asoc->peer.last_data_from == peer) in sctp_assoc_rm_peer()
513 asoc->peer.last_data_from = transport; in sctp_assoc_rm_peer()
516 asoc->strreset_chunk->transport == peer) { in sctp_assoc_rm_peer()
526 if (asoc->init_last_sent_to == peer) in sctp_assoc_rm_peer()
534 if (asoc->shutdown_last_sent_to == peer) in sctp_assoc_rm_peer()
541 asoc->addip_last_asconf->transport == peer) in sctp_assoc_rm_peer()
547 if (!list_empty(&peer->transmitted)) { in sctp_assoc_rm_peer()
548 struct sctp_transport *active = asoc->peer.active_path; in sctp_assoc_rm_peer()
551 list_for_each_entry(ch, &peer->transmitted, in sctp_assoc_rm_peer()
557 list_splice_tail_init(&peer->transmitted, in sctp_assoc_rm_peer()
571 if (ch->transport == peer) in sctp_assoc_rm_peer()
574 asoc->peer.transport_count--; in sctp_assoc_rm_peer()
576 sctp_ulpevent_notify_peer_addr_change(peer, SCTP_ADDR_REMOVED, 0); in sctp_assoc_rm_peer()
577 sctp_transport_free(peer); in sctp_assoc_rm_peer()
586 struct sctp_transport *peer; in sctp_assoc_add_peer() local
599 if (0 == asoc->peer.port) in sctp_assoc_add_peer()
600 asoc->peer.port = port; in sctp_assoc_add_peer()
603 peer = sctp_assoc_lookup_paddr(asoc, addr); in sctp_assoc_add_peer()
604 if (peer) { in sctp_assoc_add_peer()
609 if (peer->state == SCTP_UNKNOWN) { in sctp_assoc_add_peer()
610 peer->state = SCTP_ACTIVE; in sctp_assoc_add_peer()
612 return peer; in sctp_assoc_add_peer()
615 peer = sctp_transport_new(asoc->base.net, addr, gfp); in sctp_assoc_add_peer()
616 if (!peer) in sctp_assoc_add_peer()
619 sctp_transport_set_owner(peer, asoc); in sctp_assoc_add_peer()
621 /* Initialize the peer's heartbeat interval based on the in sctp_assoc_add_peer()
624 peer->hbinterval = asoc->hbinterval; in sctp_assoc_add_peer()
627 peer->pathmaxrxt = asoc->pathmaxrxt; in sctp_assoc_add_peer()
630 peer->pf_retrans = asoc->pf_retrans; in sctp_assoc_add_peer()
632 peer->ps_retrans = asoc->ps_retrans; in sctp_assoc_add_peer()
634 /* Initialize the peer's SACK delay timeout based on the in sctp_assoc_add_peer()
637 peer->sackdelay = asoc->sackdelay; in sctp_assoc_add_peer()
638 peer->sackfreq = asoc->sackfreq; in sctp_assoc_add_peer()
644 peer->flowlabel = ntohl(info & IPV6_FLOWLABEL_MASK); in sctp_assoc_add_peer()
645 peer->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_assoc_add_peer()
647 peer->flowlabel = asoc->flowlabel; in sctp_assoc_add_peer()
650 peer->dscp = asoc->dscp; in sctp_assoc_add_peer()
655 peer->param_flags = asoc->param_flags; in sctp_assoc_add_peer()
658 sctp_transport_route(peer, NULL, sp); in sctp_assoc_add_peer()
661 * initialize the association PMTU to the peer's PMTU. in sctp_assoc_add_peer()
663 * peer's PMTU, reset the association PMTU to the new peer's PMTU. in sctp_assoc_add_peer()
666 min_t(int, peer->pathmtu, asoc->pathmtu) : in sctp_assoc_add_peer()
667 peer->pathmtu); in sctp_assoc_add_peer()
669 peer->pmtu_pending = 0; in sctp_assoc_add_peer()
671 /* The asoc->peer.port might not be meaningful yet, but in sctp_assoc_add_peer()
674 sctp_packet_init(&peer->packet, peer, asoc->base.bind_addr.port, in sctp_assoc_add_peer()
675 asoc->peer.port); in sctp_assoc_add_peer()
687 peer->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380)); in sctp_assoc_add_peer()
693 peer->ssthresh = SCTP_DEFAULT_MAXWINDOW; in sctp_assoc_add_peer()
695 peer->partial_bytes_acked = 0; in sctp_assoc_add_peer()
696 peer->flight_size = 0; in sctp_assoc_add_peer()
697 peer->burst_limited = 0; in sctp_assoc_add_peer()
700 peer->rto = asoc->rto_initial; in sctp_assoc_add_peer()
701 sctp_max_rto(asoc, peer); in sctp_assoc_add_peer()
703 /* Set the peer's active state. */ in sctp_assoc_add_peer()
704 peer->state = peer_state; in sctp_assoc_add_peer()
706 /* Add this peer into the transport hashtable */ in sctp_assoc_add_peer()
707 if (sctp_hash_transport(peer)) { in sctp_assoc_add_peer()
708 sctp_transport_free(peer); in sctp_assoc_add_peer()
713 list_add_tail_rcu(&peer->transports, &asoc->peer.transport_addr_list); in sctp_assoc_add_peer()
714 asoc->peer.transport_count++; in sctp_assoc_add_peer()
716 sctp_ulpevent_notify_peer_addr_change(peer, SCTP_ADDR_ADDED, 0); in sctp_assoc_add_peer()
719 if (!asoc->peer.primary_path) { in sctp_assoc_add_peer()
720 sctp_assoc_set_primary(asoc, peer); in sctp_assoc_add_peer()
721 asoc->peer.retran_path = peer; in sctp_assoc_add_peer()
724 if (asoc->peer.active_path == asoc->peer.retran_path && in sctp_assoc_add_peer()
725 peer->state != SCTP_UNCONFIRMED) { in sctp_assoc_add_peer()
726 asoc->peer.retran_path = peer; in sctp_assoc_add_peer()
729 return peer; in sctp_assoc_add_peer()
740 list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { in sctp_assoc_del_peer()
743 /* Do book keeping for removing the peer and free it. */ in sctp_assoc_del_peer()
757 /* Cycle through all transports searching for a peer address. */ in sctp_assoc_lookup_paddr()
759 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_assoc_lookup_paddr()
775 list_for_each_entry_safe(t, temp, &asoc->peer.transport_addr_list, in sctp_assoc_del_nonprimary_peers()
940 active = asoc->peer.active_path; in sctp_assoc_lookup_tsn()
952 list_for_each_entry(transport, &asoc->peer.transport_addr_list, in sctp_assoc_lookup_tsn()
1020 * been sent to the peer during the association setup. It in sctp_assoc_bh_rcv()
1031 asoc->peer.last_data_from = chunk->transport; in sctp_assoc_bh_rcv()
1100 /* Copy in new parameters of peer. */ in sctp_assoc_update()
1102 asoc->peer.rwnd = new->peer.rwnd; in sctp_assoc_update()
1103 asoc->peer.sack_needed = new->peer.sack_needed; in sctp_assoc_update()
1104 asoc->peer.auth_capable = new->peer.auth_capable; in sctp_assoc_update()
1105 asoc->peer.i = new->peer.i; in sctp_assoc_update()
1107 if (!sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_INITIAL, in sctp_assoc_update()
1108 asoc->peer.i.initial_tsn, GFP_ATOMIC)) in sctp_assoc_update()
1111 /* Remove any peer addresses not present in the new association. */ in sctp_assoc_update()
1112 list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { in sctp_assoc_update()
1125 * current next_tsn in case data sent to peer in sctp_assoc_update()
1134 * and peer's streams. in sctp_assoc_update()
1151 /* Add any peer addresses from the new association. */ in sctp_assoc_update()
1152 list_for_each_entry(trans, &new->peer.transport_addr_list, in sctp_assoc_update()
1170 /* SCTP-AUTH: Save the peer parameters from the new associations in sctp_assoc_update()
1173 kfree(asoc->peer.peer_random); in sctp_assoc_update()
1174 asoc->peer.peer_random = new->peer.peer_random; in sctp_assoc_update()
1175 new->peer.peer_random = NULL; in sctp_assoc_update()
1177 kfree(asoc->peer.peer_chunks); in sctp_assoc_update()
1178 asoc->peer.peer_chunks = new->peer.peer_chunks; in sctp_assoc_update()
1179 new->peer.peer_chunks = NULL; in sctp_assoc_update()
1181 kfree(asoc->peer.peer_hmacs); in sctp_assoc_update()
1182 asoc->peer.peer_hmacs = new->peer.peer_hmacs; in sctp_assoc_update()
1183 new->peer.peer_hmacs = NULL; in sctp_assoc_update()
1269 struct sctp_transport *trans = asoc->peer.retran_path; in sctp_assoc_update_retran_path()
1273 if (asoc->peer.transport_count == 1) in sctp_assoc_update_retran_path()
1278 if (asoc->peer.active_path == asoc->peer.retran_path && in sctp_assoc_update_retran_path()
1279 asoc->peer.active_path->state == SCTP_ACTIVE) in sctp_assoc_update_retran_path()
1286 if (&trans->transports == &asoc->peer.transport_addr_list) in sctp_assoc_update_retran_path()
1295 if (trans == asoc->peer.retran_path) in sctp_assoc_update_retran_path()
1299 asoc->peer.retran_path = trans_next; in sctp_assoc_update_retran_path()
1302 __func__, asoc, &asoc->peer.retran_path->ipaddr.sa); in sctp_assoc_update_retran_path()
1311 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_select_active_and_retran_path()
1345 if ((asoc->peer.primary_path->state == SCTP_ACTIVE || in sctp_select_active_and_retran_path()
1346 asoc->peer.primary_path->state == SCTP_UNKNOWN) && in sctp_select_active_and_retran_path()
1347 asoc->peer.primary_path != trans_pri) { in sctp_select_active_and_retran_path()
1349 trans_pri = asoc->peer.primary_path; in sctp_select_active_and_retran_path()
1363 trans_pri = sctp_trans_elect_best(asoc->peer.active_path, trans_pf); in sctp_select_active_and_retran_path()
1368 asoc->peer.active_path = trans_pri; in sctp_select_active_and_retran_path()
1369 asoc->peer.retran_path = trans_sec; in sctp_select_active_and_retran_path()
1381 return asoc->peer.active_path; in sctp_assoc_choose_alter_transport()
1383 if (last_sent_to == asoc->peer.retran_path) in sctp_assoc_choose_alter_transport()
1386 return asoc->peer.retran_path; in sctp_assoc_choose_alter_transport()
1427 list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) { in sctp_assoc_sync_pmtu()
1440 /* Should we send a SACK to update our peer? */
1510 asoc->peer.sack_needed = 0; in sctp_assoc_rwnd_increase()
1562 * local endpoint and the remote peer.
1576 if (asoc->peer.ipv4_address) in sctp_assoc_set_bind_addr_from_ep()
1578 if (asoc->peer.ipv6_address) in sctp_assoc_set_bind_addr_from_ep()
1674 * the "Peer-Sequence-Number". in sctp_assoc_clean_asconf_ack_cache()
1679 htonl(asoc->peer.addip_serial)) in sctp_assoc_clean_asconf_ack_cache()