/** \brief Attempt to read a packet from the EMAC interface.
*
* \param[in] netif the lwip network interface structure
* \param[in] idx index of packet to be read
*/
void k64f_enetif_input(struct netif *netif, int idx)
{
struct eth_hdr *ethhdr;
struct pbuf *p;
/* move received packet into a new pbuf */
p = k64f_low_level_input(netif, idx);
if (p == NULL)
return;
/* points to packet payload, which starts with an Ethernet header */
ethhdr = (struct eth_hdr*)p->payload;
switch (htons(ethhdr->type)) {
case ETHTYPE_IP:
case ETHTYPE_ARP:
#if PPPOE_SUPPORT
case ETHTYPE_PPPOEDISC:
case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
/* full packet send to tcpip_thread to process */
if (netif->input(p, netif) != ERR_OK) {
LWIP_DEBUGF(NETIF_DEBUG, ("k64f_enetif_input: IP input error\n"));
/* Free buffer */
pbuf_free(p);
}
break;
default:
/* Return buffer */
pbuf_free(p);
break;
}
}
/** \brief Attempt to read a packet from the EMAC interface.
*
* \param[in] netif the lwip network interface structure
* \param[in] idx index of packet to be read
*/
void k64f_enetif_input(struct netif *netif, int idx)
{
struct pbuf *p;
/* move received packet into a new pbuf */
p = k64f_low_level_input(netif, idx);
if (p == NULL)
return;
/* pass all packets to ethernet_input, which decides what packets it supports */
if (netif->input(p, netif) != ERR_OK) {
LWIP_DEBUGF(NETIF_DEBUG, ("k64f_enetif_input: input error\n"));
/* Free buffer */
pbuf_free(p);
}
}