1__PSKB_PULL_TAIL(9)            Linux Networking            __PSKB_PULL_TAIL(9)
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NAME

6       __pskb_pull_tail - advance tail of skb header
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SYNOPSIS

9       void * __pskb_pull_tail(struct sk_buff * skb, int delta);
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ARGUMENTS

12       skb
13           buffer to reallocate
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15       delta
16           number of bytes to advance tail
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DESCRIPTION

19       The function makes a sense only on a fragmented sk_buff, it expands
20       header moving its tail forward and copying necessary data from
21       fragmented part.
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23       sk_buff MUST have reference count of 1.
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25       Returns NULL (and sk_buff does not change) if pull failed or value of
26       new tail of skb in the case of success.
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28       All the pointers pointing into skb header may change and must be
29       reloaded after call to this function.
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32Kernel Hackers Manual 3.10         June 2019               __PSKB_PULL_TAIL(9)
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