LwIP
LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPLWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX

LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX macro

pbufs passed to IP must have a ref-count of 1 as their payload pointer gets altered as the packet is passed down the stack

Syntax

from ip.h:63
#define LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p) LWIP_ASSERT("p->ref == 1", (p)->ref == 1)

Arguments

p

References

LocationText
ip.h:63
#define LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p) LWIP_ASSERT("p->ref == 1", (p)->ref == 1)
ip4.c:852
LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p);
ip4.c:1033
LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p);