skb_padto(9) centos man page | unix.com

SKB_PADTO(9)							 Linux Networking						      SKB_PADTO(9)

NAME
       skb_padto - pad an skbuff up to a minimal size

SYNOPSIS
       int skb_padto(struct sk_buff * skb, unsigned int len);

ARGUMENTS
       skb
	   buffer to pad

       len
	   minimal length

DESCRIPTION
       Pads up a buffer to ensure the trailing bytes exist and are blanked. If the buffer already contains sufficient data it is untouched.
       Otherwise it is extended. Returns zero on success. The skb is freed on error.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							      SKB_PADTO(9)