44 				   struct sctp_transport *transport,
51 			      struct sctp_transport *transport,
100 				       struct sctp_transport *transport,  in sctp_cacc_skip_3_1_d()  argument
103 	if (count_of_newacks >= 2 && transport != primary)  in sctp_cacc_skip_3_1_d()
115 static inline int sctp_cacc_skip_3_1_f(struct sctp_transport *transport,  in sctp_cacc_skip_3_1_f()  argument
119 			(transport && !transport->cacc.cacc_saw_newack))  in sctp_cacc_skip_3_1_f()
132 				     struct sctp_transport *transport,  in sctp_cacc_skip_3_1()  argument
136 		if (sctp_cacc_skip_3_1_d(primary, transport, count_of_newacks))  in sctp_cacc_skip_3_1()
138 		if (sctp_cacc_skip_3_1_f(transport, count_of_newacks))  in sctp_cacc_skip_3_1()
175 				 struct sctp_transport *transport,  in sctp_cacc_skip()  argument
180 	    (sctp_cacc_skip_3_1(primary, transport, count_of_newacks) ||  in sctp_cacc_skip()
207 	struct sctp_transport *transport;  in __sctp_outq_teardown()  local
212 	list_for_each_entry(transport, &q->asoc->peer.transport_addr_list,  in __sctp_outq_teardown()
214 		while ((lchunk = sctp_list_dequeue(&transport->transmitted)) != NULL) {  in __sctp_outq_teardown()
367 			if (chk->transport)  in sctp_prsctp_prune_sent()
368 				chk->transport->flight_size -=  in sctp_prsctp_prune_sent()
422 	struct sctp_transport *transport;  in sctp_prsctp_prune()  local
433 	list_for_each_entry(transport, &asoc->peer.transport_addr_list,  in sctp_prsctp_prune()
436 						 &transport->transmitted,  in sctp_prsctp_prune()
447 			  struct sctp_transport *transport,  in sctp_retransmit_mark()  argument
454 	list_for_each_safe(lchunk, ltemp, &transport->transmitted) {  in sctp_retransmit_mark()
469 				if (chunk->transport)  in sctp_retransmit_mark()
470 					chunk->transport->flight_size -=  in sctp_retransmit_mark()
495 			if (chunk->transport)  in sctp_retransmit_mark()
496 				transport->flight_size -= sctp_data_size(chunk);  in sctp_retransmit_mark()
513 				transport->rto_pending = 0;  in sctp_retransmit_mark()
525 		 "flight_size:%d, pba:%d\n", __func__, transport, reason,  in sctp_retransmit_mark()
526 		 transport->cwnd, transport->ssthresh, transport->flight_size,  in sctp_retransmit_mark()
527 		 transport->partial_bytes_acked);  in sctp_retransmit_mark()
533 void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,  in sctp_retransmit()  argument
541 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_T3_RTX);  in sctp_retransmit()
545 		if (transport == transport->asoc->peer.retran_path)  in sctp_retransmit()
546 			sctp_assoc_update_retran_path(transport->asoc);  in sctp_retransmit()
547 		transport->asoc->rtx_data_chunks +=  in sctp_retransmit()
548 			transport->asoc->unack_data;  in sctp_retransmit()
552 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX);  in sctp_retransmit()
560 		transport->asoc->init_retries++;  in sctp_retransmit()
566 	sctp_retransmit_mark(q, transport, reason);  in sctp_retransmit()
594 	struct sctp_transport *transport = pkt->transport;  in __sctp_outq_flush_rtx()  local
645 				       &transport->transmitted);  in __sctp_outq_flush_rtx()
710 				       &transport->transmitted);  in __sctp_outq_flush_rtx()
760 static int sctp_packet_singleton(struct sctp_transport *transport,  in sctp_packet_singleton()  argument
763 	const struct sctp_association *asoc = transport->asoc;  in sctp_packet_singleton()
769 	sctp_packet_init(&singleton, transport, sport, dport);  in sctp_packet_singleton()
779 	struct sctp_transport *transport;  member
792 	struct sctp_transport *new_transport = chunk->transport;  in sctp_outq_select_transport()
805 			if (ctx->transport && sctp_cmp_addr_exact(&chunk->dest,  in sctp_outq_select_transport()
806 							&ctx->transport->ipaddr))  in sctp_outq_select_transport()
807 				new_transport = ctx->transport;  in sctp_outq_select_transport()
850 	if (new_transport != ctx->transport) {  in sctp_outq_select_transport()
851 		ctx->transport = new_transport;  in sctp_outq_select_transport()
852 		ctx->packet = &ctx->transport->packet;  in sctp_outq_select_transport()
854 		if (list_empty(&ctx->transport->send_ready))  in sctp_outq_select_transport()
855 			list_add_tail(&ctx->transport->send_ready,  in sctp_outq_select_transport()
864 		sctp_transport_burst_limited(ctx->transport);  in sctp_outq_select_transport()
903 			error = sctp_packet_singleton(ctx->transport, chunk,  in sctp_outq_flush_ctrl()
954 				sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_ctrl()
955 				ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_ctrl()
959 				sctp_transport_reset_reconf_timer(ctx->transport);  in sctp_outq_flush_ctrl()
979 	if (ctx->transport != ctx->asoc->peer.retran_path) {  in sctp_outq_flush_rtx()
981 		ctx->transport = ctx->asoc->peer.retran_path;  in sctp_outq_flush_rtx()
982 		ctx->packet = &ctx->transport->packet;  in sctp_outq_flush_rtx()
984 		if (list_empty(&ctx->transport->send_ready))  in sctp_outq_flush_rtx()
985 			list_add_tail(&ctx->transport->send_ready,  in sctp_outq_flush_rtx()
998 		sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_rtx()
999 		ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_rtx()
1060 	if (ctx->transport)  in sctp_outq_flush_data()
1061 		sctp_transport_burst_limited(ctx->transport);  in sctp_outq_flush_data()
1122 			      &ctx->transport->transmitted);  in sctp_outq_flush_data()
1124 		sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_data()
1125 		ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_data()
1169 		.transport = NULL,  in sctp_outq_flush()
1225 	struct sctp_transport *transport;  in sctp_outq_sack()  local
1271 			list_for_each_entry(transport, transport_list,  in sctp_outq_sack()
1274 					transport->cacc.cycling_changeover = 0;  in sctp_outq_sack()
1276 					transport->cacc.cacc_saw_newack = 0;  in sctp_outq_sack()
1301 	list_for_each_entry(transport, transport_list, transports) {  in sctp_outq_sack()
1302 		sctp_check_transmitted(q, &transport->transmitted,  in sctp_outq_sack()
1303 				       transport, &chunk->source, sack,  in sctp_outq_sack()
1310 		if (transport->cacc.cacc_saw_newack)  in sctp_outq_sack()
1325 		list_for_each_entry(transport, transport_list, transports)  in sctp_outq_sack()
1326 			sctp_mark_missing(q, &transport->transmitted, transport,  in sctp_outq_sack()
1401 				   struct sctp_transport *transport,  in sctp_check_transmitted()  argument
1435 				if (tchunk->transport)  in sctp_check_transmitted()
1436 					tchunk->transport->flight_size -=  in sctp_check_transmitted()
1450 			if (transport && !tchunk->tsn_gap_acked) {  in sctp_check_transmitted()
1466 					sctp_transport_update_rto(transport,  in sctp_check_transmitted()
1487 						transport->cacc.cacc_saw_newack  in sctp_check_transmitted()
1503 				if (!tchunk->transport)  in sctp_check_transmitted()
1548 				if (tchunk->transport)  in sctp_check_transmitted()
1567 	if (transport) {  in sctp_check_transmitted()
1569 			struct sctp_association *asoc = transport->asoc;  in sctp_check_transmitted()
1586 			transport->error_count = 0;  in sctp_check_transmitted()
1587 			transport->asoc->overall_error_count = 0;  in sctp_check_transmitted()
1604 			if ((transport->state == SCTP_INACTIVE ||  in sctp_check_transmitted()
1605 			     transport->state == SCTP_UNCONFIRMED) &&  in sctp_check_transmitted()
1606 			    sctp_cmp_addr_exact(&transport->ipaddr, saddr)) {  in sctp_check_transmitted()
1608 					transport->asoc,  in sctp_check_transmitted()
1609 					transport,  in sctp_check_transmitted()
1614 			sctp_transport_raise_cwnd(transport, sack_ctsn,  in sctp_check_transmitted()
1617 			transport->flight_size -= bytes_acked;  in sctp_check_transmitted()
1618 			if (transport->flight_size == 0)  in sctp_check_transmitted()
1619 				transport->partial_bytes_acked = 0;  in sctp_check_transmitted()
1644 				transport->error_count = 0;  in sctp_check_transmitted()
1654 		if (!transport->flight_size) {  in sctp_check_transmitted()
1655 			if (del_timer(&transport->T3_rtx_timer))  in sctp_check_transmitted()
1656 				sctp_transport_put(transport);  in sctp_check_transmitted()
1658 			if (!mod_timer(&transport->T3_rtx_timer,  in sctp_check_transmitted()
1659 				       jiffies + transport->rto))  in sctp_check_transmitted()
1660 				sctp_transport_hold(transport);  in sctp_check_transmitted()
1664 			if (transport->dst)  in sctp_check_transmitted()
1665 				sctp_transport_dst_confirm(transport);  in sctp_check_transmitted()
1675 			      struct sctp_transport *transport,  in sctp_mark_missing()  argument
1703 			if (!transport || !sctp_cacc_skip(primary,  in sctp_mark_missing()
1704 						chunk->transport,  in sctp_mark_missing()
1725 	if (transport) {  in sctp_mark_missing()
1727 			sctp_retransmit(q, transport, SCTP_RTXR_FAST_RTX);  in sctp_mark_missing()
1730 			 "flight_size:%d, pba:%d\n",  __func__, transport,  in sctp_mark_missing()
1731 			 transport->cwnd, transport->ssthresh,  in sctp_mark_missing()
1732 			 transport->flight_size, transport->partial_bytes_acked);  in sctp_mark_missing()