[lwip-users] About how to use the mem pool in internal of lwip

[yanhc519]

Hi all,

I am currently transiting my project from memory heap to memory pool.

I have defined MEM_USE_POOLS and MEMP_USE_CUSTOM_POOLS to 1. Add lwippools.h as follows:

LWIP_MALLOC_MEMPOOL_START

LWIP_MALLOC_MEMPOOL(20, 256)

LWIP_MALLOC_MEMPOOL_END

Therefore, the memp_t will be as follows

typedef enum {

  MEMP_RAW_PCB,

  MEMP_UDP_PCB,

  ...

  MEMP_MLD6_GROUP,

  MEMP_PBUF,

  MEMP_PBUF_POOL,

  MEMP_MAX

} memp_t;

When my project