diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_output.c')
| -rw-r--r-- | freebsd/sys/netinet/tcp_output.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/freebsd/sys/netinet/tcp_output.c b/freebsd/sys/netinet/tcp_output.c index 3d0a78d0..3e024fdb 100644 --- a/freebsd/sys/netinet/tcp_output.c +++ b/freebsd/sys/netinet/tcp_output.c @@ -1509,7 +1509,13 @@ timer: if (SEQ_GT(tp->snd_nxt + xlen, tp->snd_max)) tp->snd_max = tp->snd_nxt + xlen; } - + if ((error == 0) && + (TCPS_HAVEESTABLISHED(tp->t_state) && + (tp->t_flags & TF_SACK_PERMIT) && + tp->rcv_numsacks > 0)) { + /* Clean up any DSACK's sent */ + tcp_clean_dsack_blocks(tp); + } if (error) { /* Record the error. */ TCP_LOG_EVENT(tp, NULL, &so->so_rcv, &so->so_snd, TCP_LOG_OUT, |