void tcpip_periodic_timer()
{
int i;
MT_TimerExpired();
if(timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for(i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* 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) {
uip_arp_out();
mt76xx_dev_send();
}
}
#if UIP_UDP
for(i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* 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) {
uip_arp_out();
mt76xx_dev_send();
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if(timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
#if 0
if(timer_expired(&cli_timer)) {
clk = (clk > (CLOCK_SECOND*60))?clk:(clk*2);
timer_set(&cli_timer, clk);
if ((cli_fd == -1) &&
memcmp(uip_hostaddr, 0x00000000, sizeof(uip_hostaddr))) {
struct uip_conn *conn = NULL;
uip_ipaddr_t srv_ip;
uip_ipaddr(srv_ip, IoTpAd.ComCfg.IoT_ServeIP[0], IoTpAd.ComCfg.IoT_ServeIP[1],
IoTpAd.ComCfg.IoT_ServeIP[2], IoTpAd.ComCfg.IoT_ServeIP[3]);
conn = uip_connect(&srv_ip, HTONS(IoTpAd.ComCfg.IoT_TCP_Srv_Port));
if(conn) {
conn->lport = HTONS(7682);
cli_fd = conn->fd;
} else {
printf("connect fail\n");
}
}
}
#endif
}
int netif_rx(u8_t *p, u16_t len)
{
/*avoid Rx packet length > UIP buffer size and cause UIP buffer overflow*/
if (len <= UIP_BUFSIZE + 2) {
mt76xx_dev_read(p, len);
} else {
printf_high("netif_rx length error: %d > %d\n", len, UIP_BUFSIZE + 2);
return -1;
}
if (uip_len > 0) {
if (BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_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. */
if (uip_len > 0) {
uip_arp_out();
mt76xx_dev_send();
}
} 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) {
mt76xx_dev_send();
}
}
}
return 0;
}