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| author | Qing Li <qingli@FreeBSD.org> | 2006-02-23 21:14:34 +0000 |
|---|---|---|
| committer | Qing Li <qingli@FreeBSD.org> | 2006-02-23 21:14:34 +0000 |
| commit | 4b8e98d63276b174ac3000a31883ddb0242634ce (patch) | |
| tree | ba9269e3b43a380565f17f26e41521f129e39b59 /sys/netinet/tcp_output.c | |
| parent | d2f4defee20c19d4b401dd47c3f23ff57beed33e (diff) | |
| download | src-4b8e98d63276b174ac3000a31883ddb0242634ce.tar.gz src-4b8e98d63276b174ac3000a31883ddb0242634ce.zip | |
This patch fixes the problem where the current TCP code can not handle
simultaneous open. Both the bug and the patch were verified using the
ANVL test suite.
PR: kern/74935
Submitted by: qingli (before I became committer)
Reviewed by: andre
MFC after: 5 days
Notes
Notes:
svn path=/head/; revision=155961
Diffstat (limited to 'sys/netinet/tcp_output.c')
| -rw-r--r-- | sys/netinet/tcp_output.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index f68c2d9c12e4..ead2c1a4a3b7 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -338,7 +338,8 @@ after_sack_rexmit: * know that foreign host supports TAO, suppress sending segment. */ if ((flags & TH_SYN) && SEQ_GT(tp->snd_nxt, tp->snd_una)) { - flags &= ~TH_SYN; + if (tp->t_state != TCPS_SYN_RECEIVED) + flags &= ~TH_SYN; off--, len++; } |