diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 7d8583a15d02..9a985b55e7d8 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -667,7 +667,7 @@ static void tcp_adjust_fackets_out(struct sock *sk, struct sk_buff *skb, if (!tp->sacked_out || tcp_is_reno(tp)) return; - if (!before(tcp_highest_sack_seq(tp), TCP_SKB_CB(skb)->seq)) + if (after(tcp_highest_sack_seq(tp), TCP_SKB_CB(skb)->seq)) tp->fackets_out -= decr; } @@ -711,9 +711,6 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss TCP_SKB_CB(buff)->end_seq = TCP_SKB_CB(skb)->end_seq; TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(buff)->seq; - if (tcp_is_sack(tp) && tp->sacked_out && (skb == tp->highest_sack)) - tp->highest_sack = buff; - /* PSH and FIN should only be set in the second packet. */ flags = TCP_SKB_CB(skb)->flags; TCP_SKB_CB(skb)->flags = flags & ~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH); @@ -1707,9 +1704,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m BUG_ON(tcp_skb_pcount(skb) != 1 || tcp_skb_pcount(next_skb) != 1); - if (WARN_ON(tcp_is_sack(tp) && tp->sacked_out && - (next_skb == tp->highest_sack))) - return; + tcp_highest_sack_combine(sk, next_skb, skb); /* Ok. We will be able to collapse the packet. */ tcp_unlink_write_queue(next_skb, sk); @@ -2019,7 +2014,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk) break; tp->forward_skb_hint = skb; - if (after(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) + if (!before(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) break; if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) |