diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_sack.c')
| -rw-r--r-- | freebsd/sys/netinet/tcp_sack.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/freebsd/sys/netinet/tcp_sack.c b/freebsd/sys/netinet/tcp_sack.c index 7a7df0bb..fc93be91 100644 --- a/freebsd/sys/netinet/tcp_sack.c +++ b/freebsd/sys/netinet/tcp_sack.c @@ -427,6 +427,7 @@ tcp_sack_doack(struct tcpcb *tp, struct tcpopt *to, tcp_seq th_ack) * are received. */ sblkp = &sack_blocks[num_sack_blks - 1]; /* Last SACK block */ + tp->sackhint.last_sack_ack = sblkp->end; if (SEQ_LT(tp->snd_fack, sblkp->start)) { /* * The highest SACK block is beyond fack. Append new SACK @@ -578,7 +579,7 @@ tcp_sack_partialack(struct tcpcb *tp, struct tcphdr *th) tcp_timer_activate(tp, TT_REXMT, 0); tp->t_rtttime = 0; /* Send one or 2 segments based on how much new data was acked. */ - if (((th->th_ack - tp->snd_una) / tp->t_maxseg) > 2) + if ((BYTES_THIS_ACK(tp, th) / tp->t_maxseg) > 2) num_segs = 2; tp->snd_cwnd = (tp->sackhint.sack_bytes_rexmit + (tp->snd_nxt - tp->sack_newdata) + num_segs * tp->t_maxseg); |