centos man page for netif_receive_skb

NETIF_RECEIVE_SKB(9)					      Network device support					      NETIF_RECEIVE_SKB(9)

NAME
       netif_receive_skb - process receive buffer from network

SYNOPSIS
       int netif_receive_skb(struct sk_buff * skb);

ARGUMENTS
       skb
	   buffer to process

DESCRIPTION
       netif_receive_skb is the main receive data processing function. It always succeeds. The buffer may be dropped during processing for
       congestion control or by the protocol layers.

       This function may only be called from softirq context and interrupts should be enabled.

       Return values (usually ignored):

NET_RX_SUCCESS
       no congestion

NET_RX_DROP
       packet was dropped

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      NETIF_RECEIVE_SKB(9)