skb_copy_and_csum_datagram_iovec(9) suse man page | unix.com

SKB_COPY_AND_CSUM_DA(9) 					 Linux Networking					   SKB_COPY_AND_CSUM_DA(9)

NAME
       skb_copy_and_csum_datagram_iovec - Copy and checkum skb to user iovec.

SYNOPSIS
       int skb_copy_and_csum_datagram_iovec(struct sk_buff * skb, int hlen, struct iovec * iov);

ARGUMENTS
       skb
	   skbuff

       hlen
	   hardware length

       iov
	   io vector

DESCRIPTION
       Caller _must_ check that skb will fit to this iovec.

RETURNS
       0 - success. -EINVAL - checksum failure. -EFAULT - fault during copy. Beware, in this case iovec can be modified!

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   SKB_COPY_AND_CSUM_DA(9)