| 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, int len);
ARGUMENTS¶
skb
skbuff
hlen
hardware length
iov
io vector
len
amount of data to copy from skb to iov
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¶
| June 2023 | Kernel Hackers Manual 3.10 |