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cfg80211: add cfg80211_find_vendor_ie() function

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Add function to find vendor-specific ie (along with
vendor-specific ie struct definition and P2P OUI values)

Signed-off-by: Eliad Peller <[email protected]>
Reviewed-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Eliad Peller 2011-09-15 11:53:01 +03:00 • committed by John W. Linville
commit 0c28ec587a
3 changed files with 55 additions and 0 deletions
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18
include/net/cfg80211.h
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@ -2458,6 +2458,24 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb);
*/
const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
/**
* cfg80211_find_vendor_ie - find vendor specific information element in data
*
* @oui: vendor OUI
* @oui_type: vendor-specific OUI type
* @ies: data consisting of IEs
* @len: length of data
*
* This function will return %NULL if the vendor specific element ID
* could not be found or if the element is invalid (claims to be
* longer than the given data), or a pointer to the first byte
* of the requested element, that is the byte containing the
* element ID. There are no checks on the element length
* other than having to fit into the given data.
*/
const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
const u8 *ies, int len);
/**
* DOC: Regulatory enforcement infrastructure
*