centos man page for netif_rx

NETIF_RX(9)						      Network device support						       NETIF_RX(9)

NAME
       netif_rx - post buffer to the network code

SYNOPSIS
       int netif_rx(struct sk_buff * skb);

ARGUMENTS
       skb
	   buffer to post

DESCRIPTION
       This function receives a packet from a device driver and queues it for the upper (protocol) levels to process. It always succeeds. The
       buffer may be dropped during processing for congestion control or by the protocol layers.

RETURN VALUES
       NET_RX_SUCCESS (no congestion) NET_RX_DROP (packet was dropped)

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       NETIF_RX(9)