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author | Andre Oppermann <andre@FreeBSD.org> | 2007-06-09 19:39:14 +0000 |
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committer | Andre Oppermann <andre@FreeBSD.org> | 2007-06-09 19:39:14 +0000 |
commit | b7de7d87a0d9d74a4d511065677ae356b16c8e14 (patch) | |
tree | 6e5f8c844161d7851127721a3cce877e0488410c /sys/netinet/tcp_output.c | |
parent | a140976eb44efd308803d4603b1cff9a759265ab (diff) | |
download | src-b7de7d87a0d9d74a4d511065677ae356b16c8e14.tar.gz src-b7de7d87a0d9d74a4d511065677ae356b16c8e14.zip |
Don't send pure window updates when the peer has closed the connection
and won't ever send more data.
Notes
Notes:
svn path=/head/; revision=170467
Diffstat (limited to 'sys/netinet/tcp_output.c')
-rw-r--r-- | sys/netinet/tcp_output.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index acd99d00c440..d8adff357b93 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -528,8 +528,11 @@ after_sack_rexmit: * max size segments, or at least 50% of the maximum possible * window, then want to send a window update to peer. * Skip this if the connection is in T/TCP half-open state. + * Don't send pure window updates when the peer has closed + * the connection and won't ever send more data. */ - if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN)) { + if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN) && + !TCPS_HAVERCVDFIN(tp->t_state)) { /* * "adv" is the amount we can increase the window, * taking into account that we are limited by |