skb_dst_is_noref(9) centos man page | unix.com

SKB_DST_IS_NOREF(9)						 Linux Networking					       SKB_DST_IS_NOREF(9)

NAME
       skb_dst_is_noref - Test if skb dst isn't refcounted

SYNOPSIS
       bool skb_dst_is_noref(const struct sk_buff * skb);

ARGUMENTS
       skb
	   buffer

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       SKB_DST_IS_NOREF(9)