SKB_COPY_AND_CSUM_DA(9)                  Linux Networking                 SKB_COPY_AND_CSUM_DA(9)



NAME
       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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SKB_COPY_AND_CSUM_DA(9)