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Fixed bug #26649: TCP fails when TCP_MSS > TCP_SND_BUF, Fixed wrong parenthesis, added check in init.c

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goldsimon 2009-08-23 13:03:20 +00:00
parent ce3082976c
commit dea7255fc5
3 changed files with 8 additions and 2 deletions
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4
CHANGELOG
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@ -25,6 +25,10 @@ HISTORY
++ Bugfixes:
2009-08-23 Simon Goldschmidt
* opt.h, init.c: bug #26649: TCP fails when TCP_MSS > TCP_SND_BUF
Fixed wrong parenthesis, added check in init.c
2009-08-23 Simon Goldschmidt
* ppp.c: bug #27266: wait-state debug message in pppMain occurs every ms

2
src/core/init.c
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@ -208,6 +208,8 @@ lwip_sanity_check(void)
#if LWIP_TCP
if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n"));
if (TCP_SND_BUF < 2 * TCP_MSS)
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly\n"));
if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS)))
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work\n"));
if (TCP_SNDLOWAT > TCP_SND_BUF)

4
src/include/lwip/opt.h
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@ -803,7 +803,7 @@
* 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))
#endif
/**
@ -812,7 +812,7 @@
* TCP snd_buf for select to return writable.
*/
#ifndef TCP_SNDLOWAT
#define TCP_SNDLOWAT (TCP_SND_BUF/2)
#define TCP_SNDLOWAT ((TCP_SND_BUF)/2)
#endif
/**