osd-contiki/platform/netsim/net/tapdev-service.c

63 lines
1.5 KiB
C

#include "net/packet-service.h"
#include "net/tapdev.h"
#include "net/uip_arp.h"
/* static struct uip_eth_addr addr = */
/* {0x08, 0x12, 0x23, 0x89, 0xa3, 0x94}; */
SERVICE(tapdev_service, packet_service, { tapdev_send });
PROCESS(tapdev_service_process, "TAP driver");
/*---------------------------------------------------------------------------*/
#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
static void
pollhandler(void)
{
/* tapdev_service_request_poll();*/
process_poll(&tapdev_service_process);
uip_len = tapdev_poll();
if(uip_len > 0) {
if(BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_len -= sizeof(struct uip_eth_hdr);
/* uip_input();*/
tcpip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if(uip_len > 0) {
tapdev_send_raw();
}
}
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(tapdev_service_process, ev, data)
{
PROCESS_BEGIN();
tapdev_init();
SERVICE_REGISTER(tapdev_service);
process_poll(&tapdev_service_process);
while(1) {
PROCESS_YIELD();
if(ev == PROCESS_EVENT_POLL) {
pollhandler();
}
}
PROCESS_END();
}