1SKB_PARTIAL_CSUM_SET(9)        Linux Networking        SKB_PARTIAL_CSUM_SET(9)
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NAME

6       skb_partial_csum_set - set up and verify partial csum values for packet
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SYNOPSIS

9       bool skb_partial_csum_set(struct sk_buff * skb, u16 start, u16 off);
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ARGUMENTS

12       skb
13           the skb to set
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15       start
16           the number of bytes after skb->data to start checksumming.
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18       off
19           the offset from start to place the checksum.
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DESCRIPTION

22       For untrusted partially-checksummed packets, we need to make sure the
23       values for skb->csum_start and skb->csum_offset are valid so we don't
24       oops.
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26       This function checks and sets those values and skb->ip_summed: if this
27       returns false you should drop the packet.
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30Kernel Hackers Manual 3.10         June 2019           SKB_PARTIAL_CSUM_SET(9)
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