diff options
author | olah <olah@FreeBSD.org> | 1996-01-04 21:34:21 +0000 |
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committer | olah <olah@FreeBSD.org> | 1996-01-04 21:34:21 +0000 |
commit | d8eaf8a5647ddcbeb20bda3d5de23b432b4eead2 (patch) | |
tree | 1e8ec88d005a6ef7f76ad8f8e12ca8446080a404 /sys/netinet/tcp_timer.c | |
parent | 39d3a9a3d35d380cd5627d8f1fa68782a1d614c0 (diff) | |
download | FreeBSD-src-d8eaf8a5647ddcbeb20bda3d5de23b432b4eead2.zip FreeBSD-src-d8eaf8a5647ddcbeb20bda3d5de23b432b4eead2.tar.gz |
Reverse the modification which caused the annoying m_copydata crash: set
the TF_ACKNOW flag when the REXMT timer goes off to force a
retransmission. In certain situations pulling snd_nxt back to snd_una
is not sufficient.
Diffstat (limited to 'sys/netinet/tcp_timer.c')
-rw-r--r-- | sys/netinet/tcp_timer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netinet/tcp_timer.c b/sys/netinet/tcp_timer.c index 23068b7..e95f4fa 100644 --- a/sys/netinet/tcp_timer.c +++ b/sys/netinet/tcp_timer.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_timer.c 8.2 (Berkeley) 5/24/95 - * $Id: tcp_timer.c,v 1.11 1995/11/09 20:23:07 phk Exp $ + * $Id: tcp_timer.c,v 1.12 1995/11/14 20:34:43 phk Exp $ */ #ifndef TUBA_INCLUDE @@ -238,6 +238,10 @@ tcp_timers(tp, timer) } tp->snd_nxt = tp->snd_una; /* + * Force a segment to be sent. + */ + tp->t_flags |= TF_ACKNOW; + /* * If timing a segment in this window, stop the timer. */ tp->t_rtt = 0; |