Function eth_mac_irq

components/net/lwip/lwip-2.1.2/doc/NO_SYS_SampleCode.c:1–19

void
eth_mac_irq()
{
  /* Service MAC IRQ here */

  /* Allocate pbuf from pool (avoid using heap in interrupts) */
  struct pbuf* p = pbuf_alloc(PBUF_RAW, eth_data_count, PBUF_POOL);

  if(p != NULL) {
    /* Copy ethernet frame into pbuf */
    pbuf_take(p, eth_data, eth_data_count);

    /* Put in a queue which is processed in main loop */
    if(!queue_try_put(&queue, p)) {
      /* queue is full -> packet loss */
      pbuf_free(p);
    }
  }
}

static err_t 
netif_output(struct netif *netif, struct pbuf *p)