SKB_HEADROOM(9)                          Linux Networking                         SKB_HEADROOM(9)



NAME
       skb_headroom - bytes at buffer head

SYNOPSIS
       unsigned int skb_headroom(const struct sk_buff * skb);

ARGUMENTS
       skb
           buffer to check

DESCRIPTION
       Return the number of bytes of free space at the head of an sk_buff.

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