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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-23 15:53:27 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-02-23 15:53:27 +0000 |
| commit | e684270a1ae6eccb65fbc4ab44f455e8d46de29f (patch) | |
| tree | 7b236febcd23f16b5e330ac27273302da14338e4 /nuttx/ChangeLog | |
| parent | 23a869d9be23a33962c55a1e6f62e6b91b2cbfc4 (diff) | |
| download | nuttx-e684270a1ae6eccb65fbc4ab44f455e8d46de29f.tar.gz nuttx-e684270a1ae6eccb65fbc4ab44f455e8d46de29f.tar.bz2 nuttx-e684270a1ae6eccb65fbc4ab44f455e8d46de29f.zip | |
Fix an error the TCP/IP received sequence number counting
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4416 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/ChangeLog')
| -rw-r--r-- | nuttx/ChangeLog | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 27bd1cb7f..df9646b47 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -2484,3 +2484,12 @@ the accecpt() and connect() logic. Contributed by Max Nekludov. * net/recvfrom.c and net/uip/uip_tcpcallback.c: Fix a leak in the TCP read-ahead logic. This is a *critical* bug fix! + * net/uip/uip_tcpinput.c: Correct an error in the TCP stack. It was + incrementing the received sequence number BEFORE determining if the + incoming data could be handled. If the data was dropped (usually because + there is insufficient buffering space), then no ACK will be sent and the + sequence number will be wrong. The end consequence of the bad sequence + number was that the when the dropped packet was re-transmitted, it was + was ignored because its sequence number looked wrong. Fix was, obviously, + to only increment the recevied sequence number if the TCP data was + accepted. |