From c21dbf9214bce129f92e1af05552553ff0e318ed Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 26 Jan 2010 14:15:46 +0100 Subject: cfg80211: export cfg80211_find_ie This new function (previously a static function called just "find_ie" can be used to find a specific IE in a buffer of IEs. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- include/net/cfg80211.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/net') diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index c5d16f299d6..a3f0a7ed31a 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1658,6 +1658,22 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, */ unsigned int cfg80211_classify8021d(struct sk_buff *skb); +/** + * cfg80211_find_ie - find information element in data + * + * @eid: element ID + * @ies: data consisting of IEs + * @len: length of data + * + * This function will return %NULL if the 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_ie(u8 eid, const u8 *ies, int len); + /* * Regulatory helper functions for wiphys */ -- cgit v1.2.3-70-g09d2