static void ethernetif_input( void * pvParameters )
{
struct ethernetif *ethernetif;
struct eth_hdr *ethhdr;
struct pbuf *p;
for( ;; )
{
do
{
ethernetif = s_pxNetIf->state;
/* move received packet into a new pbuf */
p = low_level_input( s_pxNetIf );
if( p == NULL )
{
/* No packet could be read. Wait a for an interrupt to tell us
there is more data available. */
vEMACWaitForInput();
}
} while( p == NULL );
/* points to packet payload, which starts with an Ethernet header */
ethhdr = p->payload;
#if LINK_STATS
lwip_stats.link.recv++;
#endif /* LINK_STATS */
ethhdr = p->payload;
switch (htons(ethhdr->type))
{
/* IP packet? */
case ETHTYPE_IP:
/* update ARP table */
etharp_ip_input(s_pxNetIf, p);
/* skip Ethernet header */
pbuf_header(p, (s16_t)-sizeof(struct eth_hdr));
/* pass to network layer */
s_pxNetIf->input(p, s_pxNetIf);
break;
case ETHTYPE_ARP:
/* pass p to ARP module */
etharp_arp_input(s_pxNetIf, ethernetif->ethaddr, p);
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}
}
/**
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface. Then the type of the received packet is determined and
* the appropriate input function is called.
*
* @param netif the lwip network interface structure for this ethernetif
*/
static void
ethernetif_input( void* notused )
//ethernetif_input(struct netif *netif)
{
(void)notused; // MakingThings
struct ethernetif *ethernetif;
struct eth_hdr *ethhdr;
struct pbuf *p;
for( ;; )
{
do
{
// ethernetif = netif->state;
ethernetif = xNetIf->state; // MakingThings
/* move received packet into a new pbuf */
p = low_level_input(xNetIf); // MakingThings
/* no packet could be read, silently ignore this */
// if (p == NULL) return; // MakingThings
if( p == NULL )
{
/* No packet could be read. Wait a for an interrupt to tell us
there is more data available. */
vEMACWaitForInput();
}
} while( p == NULL );
/* points to packet payload, which starts with an Ethernet header */
ethhdr = p->payload;
switch (htons(ethhdr->type)) {
/* IP or ARP packet? */
case ETHTYPE_IP:
case ETHTYPE_ARP:
#if PPPOE_SUPPORT
/* PPPoE packet? */
case ETHTYPE_PPPOEDISC:
case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
/* full packet send to tcpip_thread to process */
//if (netif->input(p, netif)!=ERR_OK)
if (xNetIf->input(p, xNetIf)!=ERR_OK)
{ LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
pbuf_free(p);
p = NULL;
}
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}
}
/**
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface. Then the type of the received packet is determined and
* the appropriate input function is called.
*
* @param netif the lwip network interface structure for this ethernetif
*/
static void ethernetif_input( void * pvParameters )
{
struct ethernetif *ethernetif;
struct eth_hdr *ethhdr;
struct pbuf *p;
for( ;; )
{
do
{
ethernetif = s_pxNetIf->state;
/* move received packet into a new pbuf */
p = low_level_input( s_pxNetIf );
if( p == NULL )
{
/* No packet could be read. Wait a for an interrupt to tell us
there is more data available. */
vEMACWaitForInput();
}
} while( p == NULL );
/* points to packet payload, which starts with an Ethernet header */
ethhdr = p->payload;
#if LINK_STATS
lwip_stats.link.recv++;
#endif /* LINK_STATS */
ethhdr = p->payload;
switch (htons(ethhdr->type))
{
/* IP packet? */
case ETHTYPE_IP:
/* full packet send to tcpip_thread to process */
if (s_pxNetIf->input(p, s_pxNetIf) != ERR_OK)
{
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
pbuf_free(p);
p = NULL;
}
break;
case ETHTYPE_ARP:
#if ETHARP_TRUST_IP_MAC
etharp_ip_input(s_pxNetIf, p);
#endif
/* pass p to ARP module */
etharp_arp_input(s_pxNetIf, ethernetif->ethaddr, p);
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}
}
