skb_copy_and_csum_datagram_msg (9) Linux Manual Page
skb_copy_and_csum_datagram_msg – Copy and checksum skb to user iovec.
Synopsis
int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, int hlen, struct msghdr *msg);Arguments
skb
-
- skbuff
hlen
- hardware length
msg
- destination
Description
Caller _must_ check that skb will fit to this iovec.
Return
0 – success. -EINVAL – checksum failure. -EFAULT – fault during copy.