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!