diff options
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index f893e90061eb..813f2049b85d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -979,8 +979,10 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_ int i; int first_sack_index; - if (!tp->sacked_out) + if (!tp->sacked_out) { tp->fackets_out = 0; + tp->highest_sack = tp->snd_una; + } prior_fackets = tp->fackets_out; /* Check for D-SACK. */ @@ -1217,6 +1219,10 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_ if (fack_count > tp->fackets_out) tp->fackets_out = fack_count; + + if (after(TCP_SKB_CB(skb)->seq, + tp->highest_sack)) + tp->highest_sack = TCP_SKB_CB(skb)->seq; } else { if (dup_sack && (sacked&TCPCB_RETRANS)) reord = min(fack_count, reord); |