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Fixed bug #31535: TCP_SND_QUEUELEN must be at least 2 or else no-copy TCP writes will never succeed.

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goldsimon
2010-11-20 17:34:10 +00:00
parent 4ace50a7d7
commit e3817cd549
3 changed files with 9 additions and 2 deletions
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2
src/include/lwip/opt.h
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@@ -954,7 +954,7 @@
* as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
*/
#ifndef TCP_SND_QUEUELEN
#define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS))
#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
#endif
/**