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authorJohannes Berg <johannes@sipsolutions.net>2010-01-26 14:15:46 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-26 11:53:20 -0500
commitc21dbf9214bce129f92e1af05552553ff0e318ed (patch)
tree23f57010f34fc26ecf1d349a118f977afea418e4 /include
parent18c949070b57d2cbcc0b25c5cfa003ece204e468 (diff)
downloadlinux-c21dbf9214bce129f92e1af05552553ff0e318ed.tar.bz2
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 <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r--include/net/cfg80211.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index c5d16f299d6f..a3f0a7ed31ac 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
*/