SKB_PUSH(9)                              Linux Networking                             SKB_PUSH(9)



NAME
       skb_push - add data to the start of a buffer

SYNOPSIS
       unsigned char * skb_push(struct sk_buff * skb, unsigned int len);

ARGUMENTS
       skb
           buffer to use

       len
           amount of data to add

DESCRIPTION
       This function extends the used data area of the buffer at the buffer start. If this would
       exceed the total buffer headroom the kernel will panic. A pointer to the first byte of the
       extra data is returned.

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