__PSKB_PULL_TAIL(9)                      Linux Networking                     __PSKB_PULL_TAIL(9)



NAME
       __pskb_pull_tail - advance tail of skb header

SYNOPSIS
       unsigned char * __pskb_pull_tail(struct sk_buff * skb, int delta);

ARGUMENTS
       skb
           buffer to reallocate

       delta
           number of bytes to advance tail

DESCRIPTION
       The function makes a sense only on a fragmented sk_buff, it expands header moving its tail
       forward and copying necessary data from fragmented part.

       sk_buff MUST have reference count of 1.

       Returns NULL (and sk_buff does not change) if pull failed or value of new tail of skb in
       the case of success.

       All the pointers pointing into skb header may change and must be reloaded after call to
       this function.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                       __PSKB_PULL_TAIL(9)