59 				   struct sctp_transport *transport,
66 			      struct sctp_transport *transport,
115 				       struct sctp_transport *transport,  in sctp_cacc_skip_3_1_d()  argument
118 	if (count_of_newacks >= 2 && transport != primary)  in sctp_cacc_skip_3_1_d()
130 static inline int sctp_cacc_skip_3_1_f(struct sctp_transport *transport,  in sctp_cacc_skip_3_1_f()  argument
134 			(transport && !transport->cacc.cacc_saw_newack))  in sctp_cacc_skip_3_1_f()
147 				     struct sctp_transport *transport,  in sctp_cacc_skip_3_1()  argument
151 		if (sctp_cacc_skip_3_1_d(primary, transport, count_of_newacks))  in sctp_cacc_skip_3_1()
153 		if (sctp_cacc_skip_3_1_f(transport, count_of_newacks))  in sctp_cacc_skip_3_1()
190 				 struct sctp_transport *transport,  in sctp_cacc_skip()  argument
195 	    (sctp_cacc_skip_3_1(primary, transport, count_of_newacks) ||  in sctp_cacc_skip()
222 	struct sctp_transport *transport;  in __sctp_outq_teardown()  local
227 	list_for_each_entry(transport, &q->asoc->peer.transport_addr_list,  in __sctp_outq_teardown()
229 		while ((lchunk = sctp_list_dequeue(&transport->transmitted)) != NULL) {  in __sctp_outq_teardown()
382 			if (chk->transport)  in sctp_prsctp_prune_sent()
383 				chk->transport->flight_size -=  in sctp_prsctp_prune_sent()
441 	struct sctp_transport *transport;  in sctp_prsctp_prune()  local
452 	list_for_each_entry(transport, &asoc->peer.transport_addr_list,  in sctp_prsctp_prune()
455 						 &transport->transmitted,  in sctp_prsctp_prune()
466 			  struct sctp_transport *transport,  in sctp_retransmit_mark()  argument
473 	list_for_each_safe(lchunk, ltemp, &transport->transmitted) {  in sctp_retransmit_mark()
488 				if (chunk->transport)  in sctp_retransmit_mark()
489 					chunk->transport->flight_size -=  in sctp_retransmit_mark()
514 			if (chunk->transport)  in sctp_retransmit_mark()
515 				transport->flight_size -= sctp_data_size(chunk);  in sctp_retransmit_mark()
532 				transport->rto_pending = 0;  in sctp_retransmit_mark()
544 		 "flight_size:%d, pba:%d\n", __func__, transport, reason,  in sctp_retransmit_mark()
545 		 transport->cwnd, transport->ssthresh, transport->flight_size,  in sctp_retransmit_mark()
546 		 transport->partial_bytes_acked);  in sctp_retransmit_mark()
552 void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,  in sctp_retransmit()  argument
560 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_T3_RTX);  in sctp_retransmit()
564 		if (transport == transport->asoc->peer.retran_path)  in sctp_retransmit()
565 			sctp_assoc_update_retran_path(transport->asoc);  in sctp_retransmit()
566 		transport->asoc->rtx_data_chunks +=  in sctp_retransmit()
567 			transport->asoc->unack_data;  in sctp_retransmit()
571 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX);  in sctp_retransmit()
579 		transport->asoc->init_retries++;  in sctp_retransmit()
585 	sctp_retransmit_mark(q, transport, reason);  in sctp_retransmit()
613 	struct sctp_transport *transport = pkt->transport;  in __sctp_outq_flush_rtx()  local
664 				       &transport->transmitted);  in __sctp_outq_flush_rtx()
729 				       &transport->transmitted);  in __sctp_outq_flush_rtx()
779 static int sctp_packet_singleton(struct sctp_transport *transport,  in sctp_packet_singleton()  argument
782 	const struct sctp_association *asoc = transport->asoc;  in sctp_packet_singleton()
788 	sctp_packet_init(&singleton, transport, sport, dport);  in sctp_packet_singleton()
798 	struct sctp_transport *transport;  member
811 	struct sctp_transport *new_transport = chunk->transport;  in sctp_outq_select_transport()
824 			if (ctx->transport && sctp_cmp_addr_exact(&chunk->dest,  in sctp_outq_select_transport()
825 							&ctx->transport->ipaddr))  in sctp_outq_select_transport()
826 				new_transport = ctx->transport;  in sctp_outq_select_transport()
869 	if (new_transport != ctx->transport) {  in sctp_outq_select_transport()
870 		ctx->transport = new_transport;  in sctp_outq_select_transport()
871 		ctx->packet = &ctx->transport->packet;  in sctp_outq_select_transport()
873 		if (list_empty(&ctx->transport->send_ready))  in sctp_outq_select_transport()
874 			list_add_tail(&ctx->transport->send_ready,  in sctp_outq_select_transport()
883 		sctp_transport_burst_limited(ctx->transport);  in sctp_outq_select_transport()
922 			error = sctp_packet_singleton(ctx->transport, chunk,  in sctp_outq_flush_ctrl()
973 				sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_ctrl()
974 				ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_ctrl()
978 				sctp_transport_reset_reconf_timer(ctx->transport);  in sctp_outq_flush_ctrl()
998 	if (ctx->transport != ctx->asoc->peer.retran_path) {  in sctp_outq_flush_rtx()
1000 		ctx->transport = ctx->asoc->peer.retran_path;  in sctp_outq_flush_rtx()
1001 		ctx->packet = &ctx->transport->packet;  in sctp_outq_flush_rtx()
1003 		if (list_empty(&ctx->transport->send_ready))  in sctp_outq_flush_rtx()
1004 			list_add_tail(&ctx->transport->send_ready,  in sctp_outq_flush_rtx()
1017 		sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_rtx()
1018 		ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_rtx()
1079 	if (ctx->transport)  in sctp_outq_flush_data()
1080 		sctp_transport_burst_limited(ctx->transport);  in sctp_outq_flush_data()
1141 			      &ctx->transport->transmitted);  in sctp_outq_flush_data()
1143 		sctp_transport_reset_t3_rtx(ctx->transport);  in sctp_outq_flush_data()
1144 		ctx->transport->last_time_sent = jiffies;  in sctp_outq_flush_data()
1188 		.transport = NULL,  in sctp_outq_flush()
1244 	struct sctp_transport *transport;  in sctp_outq_sack()  local
1290 			list_for_each_entry(transport, transport_list,  in sctp_outq_sack()
1293 					transport->cacc.cycling_changeover = 0;  in sctp_outq_sack()
1295 					transport->cacc.cacc_saw_newack = 0;  in sctp_outq_sack()
1320 	list_for_each_entry(transport, transport_list, transports) {  in sctp_outq_sack()
1321 		sctp_check_transmitted(q, &transport->transmitted,  in sctp_outq_sack()
1322 				       transport, &chunk->source, sack,  in sctp_outq_sack()
1329 		if (transport->cacc.cacc_saw_newack)  in sctp_outq_sack()
1344 		list_for_each_entry(transport, transport_list, transports)  in sctp_outq_sack()
1345 			sctp_mark_missing(q, &transport->transmitted, transport,  in sctp_outq_sack()
1420 				   struct sctp_transport *transport,  in sctp_check_transmitted()  argument
1454 				if (tchunk->transport)  in sctp_check_transmitted()
1455 					tchunk->transport->flight_size -=  in sctp_check_transmitted()
1469 			if (transport && !tchunk->tsn_gap_acked) {  in sctp_check_transmitted()
1485 					sctp_transport_update_rto(transport,  in sctp_check_transmitted()
1506 						transport->cacc.cacc_saw_newack  in sctp_check_transmitted()
1522 				if (!tchunk->transport)  in sctp_check_transmitted()
1567 				if (tchunk->transport)  in sctp_check_transmitted()
1586 	if (transport) {  in sctp_check_transmitted()
1588 			struct sctp_association *asoc = transport->asoc;  in sctp_check_transmitted()
1605 			transport->error_count = 0;  in sctp_check_transmitted()
1606 			transport->asoc->overall_error_count = 0;  in sctp_check_transmitted()
1623 			if ((transport->state == SCTP_INACTIVE ||  in sctp_check_transmitted()
1624 			     transport->state == SCTP_UNCONFIRMED) &&  in sctp_check_transmitted()
1625 			    sctp_cmp_addr_exact(&transport->ipaddr, saddr)) {  in sctp_check_transmitted()
1627 					transport->asoc,  in sctp_check_transmitted()
1628 					transport,  in sctp_check_transmitted()
1633 			sctp_transport_raise_cwnd(transport, sack_ctsn,  in sctp_check_transmitted()
1636 			transport->flight_size -= bytes_acked;  in sctp_check_transmitted()
1637 			if (transport->flight_size == 0)  in sctp_check_transmitted()
1638 				transport->partial_bytes_acked = 0;  in sctp_check_transmitted()
1663 				transport->error_count = 0;  in sctp_check_transmitted()
1673 		if (!transport->flight_size) {  in sctp_check_transmitted()
1674 			if (del_timer(&transport->T3_rtx_timer))  in sctp_check_transmitted()
1675 				sctp_transport_put(transport);  in sctp_check_transmitted()
1677 			if (!mod_timer(&transport->T3_rtx_timer,  in sctp_check_transmitted()
1678 				       jiffies + transport->rto))  in sctp_check_transmitted()
1679 				sctp_transport_hold(transport);  in sctp_check_transmitted()
1683 			if (transport->dst)  in sctp_check_transmitted()
1684 				sctp_transport_dst_confirm(transport);  in sctp_check_transmitted()
1694 			      struct sctp_transport *transport,  in sctp_mark_missing()  argument
1722 			if (!transport || !sctp_cacc_skip(primary,  in sctp_mark_missing()
1723 						chunk->transport,  in sctp_mark_missing()
1744 	if (transport) {  in sctp_mark_missing()
1746 			sctp_retransmit(q, transport, SCTP_RTXR_FAST_RTX);  in sctp_mark_missing()
1749 			 "flight_size:%d, pba:%d\n",  __func__, transport,  in sctp_mark_missing()
1750 			 transport->cwnd, transport->ssthresh,  in sctp_mark_missing()
1751 			 transport->flight_size, transport->partial_bytes_acked);  in sctp_mark_missing()