/*---------------------------------------------------------------------------*/
static void
packet_input(void)
{
#if NETSTACK_CONF_WITH_IP64
/* If NAT64 is enabled, IPv4 & ARP packets are sent to the IP64 module */
ethernet_header_t *hdr = (ethernet_header_t *)packetbuf_hdrptr();
if (hdr->et_protlen == UIP_HTONS(ETH_PROT_IP) ||
hdr->et_protlen == UIP_HTONS(ETH_PROT_ARP)) {
IP64_INPUT(packetbuf_hdrptr(), packetbuf_totlen());
return;
}
#endif /* NETSTACK_CONF_WITH_IP64 */
if(NETSTACK_0_FRAMER.parse() < 0) {
PRINTF("ieee8023_mac: failed to parse %u\n", (unsigned int)packetbuf_datalen());
#if IEEE8023_MAC_ADDRESS_FILTER
} else if(!linkaddr6_cmp(packetbuf_addr(PACKETBUF_ADDR_RECEIVER),
&linkaddr6_node_addr) &&
!linkaddr6_cmp(packetbuf_addr(PACKETBUF_ADDR_RECEIVER),
&linkaddr6_null)) {
/*\note The framer should have done the multicast address
* translation from 0x33 0x33 0xXX... to the 802.3xx null
*/
PRINTF("ieee8023_mac: not for us\n");
#endif /* IEEE8023_MAC_ADDRESS_FILTER */
} else {
int duplicate = 0;
duplicate = mac_sequence_is_duplicate();
if(duplicate && ETH_SUPPORT_DUPLICATE_DETECTION) {
/* Drop the packet. */
PRINTF("ieee8023_mac: drop duplicate link layer packet %u\n",
packetbuf_attr(PACKETBUF_ATTR_PACKET_ID));
} else {
mac_sequence_register_seqno();
}
#if DEBUG
int i;
uint16_t original_datalen = packetbuf_totlen();
uint8_t *original_dataptr = packetbuf_hdrptr();
PRINTF("PKT[%u]:",original_datalen);
for (i=0; i<original_datalen; i++) {
PRINTF("%02x ",original_dataptr[i]);
}
PRINTF("\n");
#endif
if(!(duplicate && ETH_SUPPORT_DUPLICATE_DETECTION)) {
link_if_in(NETSTACK_8023);
NETSTACK_0_NETWORK.input();
link_if_in(NETSTACK_NULL);
} else {
PRINTF("IEEE8023_MAC: drop duplicate\n");
}
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ip64_tap_driver_process, ev, data)
{
uint16_t len;
PROCESS_BEGIN();
while(1) {
PROCESS_PAUSE();
len = poll(ip64_packet_buffer, ip64_packet_buffer_maxlen);
if(len > 0) {
IP64_INPUT(ip64_packet_buffer, len);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(enc28j60_ip64_driver_process, ev, data)
{
static int len;
static struct etimer e;
PROCESS_BEGIN();
while(1) {
etimer_set(&e, 1);
PROCESS_WAIT_EVENT();
len = enc28j60_read(ip64_packet_buffer, ip64_packet_buffer_maxlen);
if(len > 0) {
IP64_INPUT(ip64_packet_buffer, len);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
eth_drv_input(uint8_t *packet, uint16_t len)
{
LOG6LBR_PRINTF(PACKET, ETH_IN, "read: %d\n", len);
LOG6LBR_DUMP_PACKET(ETH_IN, packet, len);
#if CETIC_6LBR_IP64
if((nvm_data.global_flags & CETIC_GLOBAL_IP64) != 0 &&
(((struct uip_eth_hdr *)packet)->type != UIP_HTONS(UIP_ETHTYPE_IPV6))) {
IP64_INPUT(packet, len);
} else {
#endif
uip_len = len - UIP_LLH_LEN;
memcpy(uip_buf, packet, len);
eth_input();
#if CETIC_6LBR_IP64
}
#endif
}
