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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

struct sk_buff * skb
skbuff

int hlen

hardware length

struct msghdr * msg

destination

DESCRIPTION

Caller _must_ check that skb will fit to this iovec.

RETURN

0 - success. -EINVAL - checksum failure. -EFAULT - fault during copy.

COPYRIGHT

July 2017 Kernel Hackers Manual 4.11