1SKB_COPY_AND_CSUM_DA(9)        Linux Networking        SKB_COPY_AND_CSUM_DA(9)
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NAME

6       skb_copy_and_csum_datagram_iovec - Copy and checkum skb to user iovec.
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SYNOPSIS

9       int skb_copy_and_csum_datagram_iovec(struct sk_buff * skb, int hlen,
10                                            struct iovec * iov, int len);
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ARGUMENTS

13       skb
14           skbuff
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16       hlen
17           hardware length
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19       iov
20           io vector
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22       len
23           amount of data to copy from skb to iov
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DESCRIPTION

26       Caller _must_ check that skb will fit to this iovec.
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RETURNS

29       0 - success. -EINVAL - checksum failure. -EFAULT - fault during copy.
30       Beware, in this case iovec can be modified!
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33Kernel Hackers Manual 3.10         June 2019           SKB_COPY_AND_CSUM_DA(9)
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