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Converted runtime-sanity-checks into compile-time checks that can be disabled (since runtime checks can often not be seen on embedded targets)

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Simon Goldschmidt 2011-09-21 18:35:29 +02:00 committed by goldsimon
parent 81a49a437a
commit c951ab8cee
2 changed files with 42 additions and 28 deletions
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4
CHANGELOG
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@ -6,6 +6,10 @@ HISTORY
++ New features: ++ New features:
2011-09-21: Simon Goldschmidt
* init.c: Converted runtime-sanity-checks into compile-time checks that can
be disabled (since runtime checks can often not be seen on embedded targets)
2011-09-11: Simon Goldschmidt 2011-09-11: Simon Goldschmidt
* ppp.h, ppp_impl.h: splitted ppp.h to an internal and external header file * ppp.h, ppp_impl.h: splitted ppp.h to an internal and external header file
to get a clear separation of which functions an application or port may use to get a clear separation of which functions an application or port may use

66
src/core/init.c
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@ -237,35 +237,48 @@
#error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h." #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
#endif #endif
#ifdef LWIP_DEBUG #ifndef LWIP_DISABLE_TCP_SANITY_CHECKS
static void #define LWIP_DISABLE_TCP_SANITY_CHECKS 0
lwip_sanity_check(void) #endif
{ #ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS
/* Warnings */ #define LWIP_DISABLE_MEMP_SANITY_CHECKS 0
#endif
/* MEMP sanity checks */
#if !LWIP_DISABLE_MEMP_SANITY_CHECKS
#if LWIP_NETCONN #if LWIP_NETCONN
if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)) #if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN\n")); #error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN. If you know what you are doing, define LWIP_DISABLE_MEMP_SANITY_CHECKS to 1 to disable this error."
#endif
#endif /* LWIP_NETCONN */ #endif /* LWIP_NETCONN */
#endif /* !LWIP_DISABLE_MEMP_SANITY_CHECKS */
/* TCP sanity checks */
#if !LWIP_DISABLE_TCP_SANITY_CHECKS
#if LWIP_TCP #if LWIP_TCP
if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) #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")); #error "lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
if (TCP_SND_BUF < 2 * TCP_MSS) #endif
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_BUF < (2 * TCP_MSS)
if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS))) #error "lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
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")); #endif
if (TCP_SNDLOWAT >= TCP_SND_BUF) #if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS))
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF.\n")); #error "lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
if (TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN) #endif
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN.\n")); #if TCP_SNDLOWAT >= TCP_SND_BUF
if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE)) #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."
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n")); #endif
if (TCP_WND < TCP_MSS) #if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n")); #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
#if TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)))
#error "lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers). If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif
#if TCP_WND < TCP_MSS
#error "lwip_sanity_check: WARNING: TCP_WND is smaller than MSS. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
#endif
#endif /* LWIP_TCP */ #endif /* LWIP_TCP */
} #endif /* !LWIP_DISABLE_TCP_SANITY_CHECKS */
#else /* LWIP_DEBUG */
#define lwip_sanity_check()
#endif /* LWIP_DEBUG */
/** /**
* Perform Sanity check of user-configurable values, and initialize all modules. * Perform Sanity check of user-configurable values, and initialize all modules.
@ -273,9 +286,6 @@ lwip_sanity_check(void)
void void
lwip_init(void) lwip_init(void)
{ {
/* Sanity check user-configurable values */
lwip_sanity_check();
/* Modules initialization */ /* Modules initialization */
stats_init(); stats_init();
#if !NO_SYS #if !NO_SYS