ieee80211_get_hdrlen_from_skb man page on Oracle

ieee80211_get_hdrlen_from_skb man page on Oracle

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IEEE80211_GET_HDRLEN(9)	       Utility functions       IEEE80211_GET_HDRLEN(9)

NAME
       ieee80211_get_hdrlen_from_skb - get header length from data

SYNOPSIS
       unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff * skb);

ARGUMENTS
       skb
	   the frame

DESCRIPTION
       Given an skb with a raw 802.11 header at the data pointer this function
       returns the 802.11 header length in bytes (not including encryption
       headers). If the data in the sk_buff is too short to contain a valid
       802.11 header the function returns 0.

AUTHOR
       Johannes Berg <johannes@sipsolutions.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014	       IEEE80211_GET_HDRLEN(9)

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