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Check TCP_SNDLOWAT for too high value (near u16_t overflow) - fixes bug #46948

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goldsimon 2016-02-18 09:36:55 +01:00
parent cf3d7def33
commit e4cac595c2
1 changed files with 3 additions and 0 deletions
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3
src/core/init.c
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@ -288,6 +288,9 @@
#if TCP_SNDLOWAT >= TCP_SND_BUF
#error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif
#if TCP_SNDLOWAT >= (0xFFFF - (4 * TCP_MSS))
#error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must at least be 4*MSS below u16_t overflow!"
#endif
#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
#error "lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif