centos man page for skb_append_datato_frags

SKB_APPEND_DATATO_FR(9) 					 Linux Networking					   SKB_APPEND_DATATO_FR(9)

NAME
       skb_append_datato_frags - append the user data to a skb

SYNOPSIS
       int skb_append_datato_frags(struct sock * sk, struct sk_buff * skb,
				   int (*getfrag) (void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), void * from,
				   int length);

ARGUMENTS
       sk
	   sock structure

       skb
	   skb structure to be appened with user data.

       getfrag
	   call back function to be used for getting the user data

       from
	   pointer to user message iov

       length
	   length of the iov message

DESCRIPTION
       This procedure append the user data in the fragment part of the skb if any page alloc fails user this procedure returns -ENOMEM

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SKB_APPEND_DATATO_FR(9)