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!