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Fix an error in the handling of TCP/IP sequence numbers

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2392 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2009-12-19 22:05:12 +00:00
parent 4c3551a2c8
commit 23a6aea4e7
1 changed files with 8 additions and 1 deletions
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9
Documentation/NuttX.html
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@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
<p>Last Updated: December 18, 2009</p>
<p>Last Updated: December 19, 2009</p>
</td>
</tr>
</table>
@ -1642,6 +1642,13 @@ nuttx-5.0 2009-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
account for the 2-byte packet length and the 4-byte packet FCS in the
FIFO).
* net/accept.c - Fixed a bad assertion (only happens when debug is enabled).
* net/send.c net/uip/uip_tcpseqno.c - Fixed a critical error in the TCP/IP
logic. The NuttX port of uIP imcludes logic to send data ahead without
waiting for ACKs from the recipient; this greatly improves throughput.
However, the packet sequence number was not being updated correctly and,
as a result, packets were not be ACKed by the recipient and transfers
would sometimes stall. This is a very important bug fix (in fact, I
don't understand how TCP/IP worked at all without this fix???)
pascal-2.0 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;