---
name: "ieee80211_get_hdrlen_from_skb"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/ieee80211_get_hdrlen_from_skb"
---

# ieee80211\_get\_hdrlen\_from\_skb(9)

get header length from data

## 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.

## RETURN

The 802.11 header length in bytes (not including encryption headers). Or 0 if the data in the sk\_buff is too short to contain a valid 802.11 header.

## AUTHOR

**Johannes Berg** \<johannes@sipsolutions.net\>

Author.

## COPYRIGHT