Reduce network latency by using netif_rx_ni() instead of netif_rx() in non-interrupt context

This commit was developed at Fraunhofer IIS (https://www.iis.fraunhofer.de).

openair2/NETWORK_DRIVER/LITE/common.c

@@ -333,7 +333,7 @@ void oai_nw_drv_common_class_wireless2ip(uint16_t dlen,
 
   printk("\n");
 #endif //OAI_DRV_DEBUG_RECEIVE
-  netif_rx(skb);
+  netif_rx_ni(skb);
 #ifdef OAI_DRV_DEBUG_RECEIVE
   printk("[OAI_IP_DRV][%s] end\n",__FUNCTION__);
 #endif

openair2/NETWORK_DRIVER/MESH/common.c

@@ -309,7 +309,7 @@ void nas_COMMON_receive(uint16_t dlen,
 
   printk("\n");
 #endif //NAS_DEBUG_RECEIVE
-  netif_rx(skb);
+  netif_rx_ni(skb);
 #ifdef NAS_DEBUG_RECEIVE
   printk("NAS_COMMON_RECEIVE: end\n");
 #endif

openair2/NETWORK_DRIVER/UE_IP/common.c

@@ -222,7 +222,7 @@ skb_p->mark = rb_idP;
 
   printk("\n");
 #endif //OAI_DRV_DEBUG_RECEIVE
-  netif_rx(skb_p);
+  netif_rx_ni(skb_p);
 #ifdef OAI_DRV_DEBUG_RECEIVE
   printk("[UE_IP_DRV][%s] end\n",__FUNCTION__);
 #endif