206 	/* Make an empty list of remote transport addresses.  */  in sctp_association_init()
317 	struct sctp_transport *transport;  in sctp_association_free()  local
375 	/* Release the transport structures. */  in sctp_association_free()
377 		transport = list_entry(pos, struct sctp_transport, transports);  in sctp_association_free()
379 		sctp_unhash_transport(transport);  in sctp_association_free()
380 		sctp_transport_free(transport);  in sctp_association_free()
424 			    struct sctp_transport *transport)  in sctp_assoc_set_primary()  argument
432 	    asoc->peer.primary_path != transport)  in sctp_assoc_set_primary()
435 	asoc->peer.primary_path = transport;  in sctp_assoc_set_primary()
436 	sctp_ulpevent_notify_peer_addr_change(transport,  in sctp_assoc_set_primary()
440 	memcpy(&asoc->peer.primary_addr, &transport->ipaddr,  in sctp_assoc_set_primary()
446 	if ((transport->state == SCTP_ACTIVE) ||  in sctp_assoc_set_primary()
447 	    (transport->state == SCTP_UNKNOWN))  in sctp_assoc_set_primary()
448 		asoc->peer.active_path = transport;  in sctp_assoc_set_primary()
467 	if (transport->cacc.changeover_active)  in sctp_assoc_set_primary()
468 		transport->cacc.cycling_changeover = changeover;  in sctp_assoc_set_primary()
473 	transport->cacc.changeover_active = changeover;  in sctp_assoc_set_primary()
478 	transport->cacc.next_tsn_at_change = asoc->next_tsn;  in sctp_assoc_set_primary()
481 /* Remove a transport from an association.  */
485 	struct sctp_transport *transport;  in sctp_assoc_rm_peer()  local
500 	/* Remove this peer from the transport hashtable */  in sctp_assoc_rm_peer()
503 	/* Get the first transport of asoc. */  in sctp_assoc_rm_peer()
505 	transport = list_entry(pos, struct sctp_transport, transports);  in sctp_assoc_rm_peer()
509 		sctp_assoc_set_primary(asoc, transport);  in sctp_assoc_rm_peer()
511 		asoc->peer.active_path = transport;  in sctp_assoc_rm_peer()
513 		asoc->peer.retran_path = transport;  in sctp_assoc_rm_peer()
515 		asoc->peer.last_data_from = transport;  in sctp_assoc_rm_peer()
518 	    asoc->strreset_chunk->transport == peer) {  in sctp_assoc_rm_peer()
519 		asoc->strreset_chunk->transport = transport;  in sctp_assoc_rm_peer()
520 		sctp_transport_reset_reconf_timer(transport);  in sctp_assoc_rm_peer()
523 	/* If we remove the transport an INIT was last sent to, set it to  in sctp_assoc_rm_peer()
526 	 * transport, maintaining the cycle.  in sctp_assoc_rm_peer()
531 	/* If we remove the transport an SHUTDOWN was last sent to, set it  in sctp_assoc_rm_peer()
534 	 * transport, maintaining the cycle.  in sctp_assoc_rm_peer()
539 	/* If we remove the transport an ASCONF was last sent to, set it to  in sctp_assoc_rm_peer()
543 	    asoc->addip_last_asconf->transport == peer)  in sctp_assoc_rm_peer()
544 		asoc->addip_last_asconf->transport = NULL;  in sctp_assoc_rm_peer()
552 		/* Reset the transport of each chunk on this list */  in sctp_assoc_rm_peer()
555 			ch->transport = NULL;  in sctp_assoc_rm_peer()
573 		if (ch->transport == peer)  in sctp_assoc_rm_peer()
574 			ch->transport = NULL;  in sctp_assoc_rm_peer()
582 /* Add a transport address to an association.  */
662 	/* Initialize the pmtu of the transport. */  in sctp_assoc_add_peer()
665 	/* If this is the first transport addr on this association,  in sctp_assoc_add_peer()
704 	/* Set the transport's RTO.initial value */  in sctp_assoc_add_peer()
711 	/* Add this peer into the transport hashtable */  in sctp_assoc_add_peer()
719 	/* Attach the remote transport to our asoc.  */  in sctp_assoc_add_peer()
739 /* Delete a transport address from an association.  */
745 	struct sctp_transport	*transport;  in sctp_assoc_del_peer()  local
748 		transport = list_entry(pos, struct sctp_transport, transports);  in sctp_assoc_del_peer()
749 		if (sctp_cmp_addr_exact(addr, &transport->ipaddr)) {  in sctp_assoc_del_peer()
751 			sctp_assoc_rm_peer(asoc, transport);  in sctp_assoc_del_peer()
757 /* Lookup a transport by address. */
784 		/* if the current transport is not the primary one, delete it */  in sctp_assoc_del_nonprimary_peers()
790 /* Engage in transport control operations.
791  * Mark the transport up or down and send a notification to the user.
795 				  struct sctp_transport *transport,  in sctp_assoc_control_transport()  argument
802 	/* Record the transition on the transport.  */  in sctp_assoc_control_transport()
809 		if (transport->state == SCTP_PF &&  in sctp_assoc_control_transport()
812 		else if (transport->state == SCTP_UNCONFIRMED &&  in sctp_assoc_control_transport()
816 		transport->state = SCTP_ACTIVE;  in sctp_assoc_control_transport()
817 		sctp_transport_pl_reset(transport);  in sctp_assoc_control_transport()
821 		/* If the transport was never confirmed, do not transition it  in sctp_assoc_control_transport()
825 		if (transport->state != SCTP_UNCONFIRMED) {  in sctp_assoc_control_transport()
826 			transport->state = SCTP_INACTIVE;  in sctp_assoc_control_transport()
827 			sctp_transport_pl_reset(transport);  in sctp_assoc_control_transport()
830 			sctp_transport_dst_release(transport);  in sctp_assoc_control_transport()
836 		transport->state = SCTP_PF;  in sctp_assoc_control_transport()
851 		sctp_ulpevent_notify_peer_addr_change(transport,  in sctp_assoc_control_transport()
921  * Find which transport this TSN was sent on.
928 	struct sctp_transport *transport;  in sctp_assoc_lookup_tsn()  local
940 	 * The general strategy is to search each transport's transmitted  in sctp_assoc_lookup_tsn()
941 	 * list.   Return which transport this TSN lives on.  in sctp_assoc_lookup_tsn()
961 	list_for_each_entry(transport, &asoc->peer.transport_addr_list,  in sctp_assoc_lookup_tsn()
964 		if (transport == active)  in sctp_assoc_lookup_tsn()
966 		list_for_each_entry(chunk, &transport->transmitted,  in sctp_assoc_lookup_tsn()
969 				match = transport;  in sctp_assoc_lookup_tsn()
1040 			asoc->peer.last_data_from = chunk->transport;  in sctp_assoc_bh_rcv()
1048 		if (chunk->transport)  in sctp_assoc_bh_rcv()
1049 			chunk->transport->last_time_heard = ktime_get();  in sctp_assoc_bh_rcv()
1202  *   inactive destination transport address, before reporting
1204  *   the data to an alternate active destination transport
1221  * transport with state SCTP_ACTIVE exists, round-robin through
1263 	/* First, try a score-based selection if both transport states  in sctp_trans_elect_best()
1325 		/* Keep track of the best PF transport from our  in sctp_select_active_and_retran_path()
1349 	 * destination transport address (and possibly source transport  in sctp_select_active_and_retran_path()
1351 	 * bump the most recently used transport.]  in sctp_select_active_and_retran_path()
1367 	/* If we failed to find a usable transport, just camp on the  in sctp_select_active_and_retran_path()
1424  * transports. This routine is called when a transport's PMTU has changed.