timeout for UDP recvfrom

openair1/PHY/LTE_TRANSPORT/if4_tools.c

@@ -229,7 +229,7 @@ void recv_IF4p5(PHY_VARS_eNB *eNB, int *frame, int *subframe, uint16_t *packet_t
 
   *packet_type = packet_header->sub_type; 
 
-  printf("CC_id %d : frame %d, subframe %d\n",eNB->CC_id,*frame,*subframe);
+  //  printf("CC_id %d : frame %d, subframe %d\n",eNB->CC_id,*frame,*subframe);
 
   if (*packet_type == IF4p5_PDLFFT) {          
     *symbol_number = ((packet_header->frame_status)>>26)&0x000f;         

targets/ARCH/ETHERNET/USERSPACE/LIB/eth_udp.c

@@ -160,6 +160,7 @@ int trx_eth_read_udp_IF4p5(openair0_device *device, openair0_timestamp *timestam
     if (bytes_received ==-1) {
       eth->num_rx_errors++;
       if (errno == EAGAIN) {
+	/*
         again_cnt++;
         usleep(10);
         if (again_cnt == 1000) {
@@ -169,6 +170,9 @@ int trx_eth_read_udp_IF4p5(openair0_device *device, openair0_timestamp *timestam
           printf("AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN AGAIN \n");
           goto again;
         }
+	*/
+	printf("Lost IF4p5 connection with %s\n", inet_ntoa(eth->dest_addr.sin_addr));
+	exit(-1);
       } else if (errno == EWOULDBLOCK) {
         block_cnt++;
         usleep(10);

targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c

@@ -96,6 +96,7 @@ int trx_eth_start(openair0_device *device) {
     } else {
       if(eth_get_dev_conf_udp(device)!=0)  return -1;
     }
+    if(ethernet_tune (device,RCV_TIMEOUT,999999)!=0)  return -1;
   } else if (eth->flags == ETH_RAW_IF5_MOBIPASS) {
     printf("Setting ETHERNET to RAW_IF5_MODE\n");
     if (eth_socket_init_raw(device)!=0)   return -1;