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-rw-r--r--net/ipv4/tcp_input.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2711ef7df7b5..29999ef73b43 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1474,17 +1474,15 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
1474{ 1474{
1475 struct tcp_sock *tp = tcp_sk(sk); 1475 struct tcp_sock *tp = tcp_sk(sk);
1476 struct sk_buff *skb; 1476 struct sk_buff *skb;
1477 int cnt = 0;
1478 1477
1479 tp->sacked_out = 0;
1480 tp->lost_out = 0; 1478 tp->lost_out = 0;
1481 tp->fackets_out = 0;
1482 tp->retrans_out = 0; 1479 tp->retrans_out = 0;
1480 if (IsReno(tp))
1481 tcp_reset_reno_sack(tp);
1483 1482
1484 tcp_for_write_queue(skb, sk) { 1483 tcp_for_write_queue(skb, sk) {
1485 if (skb == tcp_send_head(sk)) 1484 if (skb == tcp_send_head(sk))
1486 break; 1485 break;
1487 cnt += tcp_skb_pcount(skb);
1488 /* 1486 /*
1489 * Count the retransmission made on RTO correctly (only when 1487 * Count the retransmission made on RTO correctly (only when
1490 * waiting for the first ACK and did not get it)... 1488 * waiting for the first ACK and did not get it)...
@@ -1498,19 +1496,12 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
1498 } else { 1496 } else {
1499 TCP_SKB_CB(skb)->sacked &= ~(TCPCB_LOST|TCPCB_SACKED_RETRANS); 1497 TCP_SKB_CB(skb)->sacked &= ~(TCPCB_LOST|TCPCB_SACKED_RETRANS);
1500 } 1498 }
1501 if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED)) {
1502 1499
1503 /* Do not mark those segments lost that were 1500 /* Don't lost mark skbs that were fwd transmitted after RTO */
1504 * forward transmitted after RTO 1501 if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED) &&
1505 */ 1502 !after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) {
1506 if (!after(TCP_SKB_CB(skb)->end_seq, 1503 TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
1507 tp->frto_highmark)) { 1504 tp->lost_out += tcp_skb_pcount(skb);
1508 TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
1509 tp->lost_out += tcp_skb_pcount(skb);
1510 }
1511 } else {
1512 tp->sacked_out += tcp_skb_pcount(skb);
1513 tp->fackets_out = cnt;
1514 } 1505 }
1515 } 1506 }
1516 tcp_sync_left_out(tp); 1507 tcp_sync_left_out(tp);