From 0c28ec587a2f061b93a98ac02a53b4152cbe48f4 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Thu, 15 Sep 2011 11:53:01 +0300 Subject: cfg80211: add cfg80211_find_vendor_ie() function Add function to find vendor-specific ie (along with vendor-specific ie struct definition and P2P OUI values) Signed-off-by: Eliad Peller Reviewed-by: Johannes Berg Signed-off-by: John W. Linville --- include/linux/ieee80211.h | 10 ++++++++++ include/net/cfg80211.h | 18 ++++++++++++++++++ 2 files changed, 28 insertions(+) (limited to 'include') diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 72f3933938c..b5e0a5c344f 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -777,6 +777,13 @@ struct ieee80211_mmie { u8 mic[8]; } __attribute__ ((packed)); +struct ieee80211_vendor_ie { + u8 element_id; + u8 len; + u8 oui[3]; + u8 oui_type; +} __packed; + /* Control frames */ struct ieee80211_rts { __le16 frame_control; @@ -1470,6 +1477,9 @@ enum ieee80211_sa_query_action { #define WLAN_PMKID_LEN 16 +#define WLAN_OUI_WFA 0x506f9a +#define WLAN_OUI_TYPE_WFA_P2P 9 + /* * WMM/802.11e Tspec Element */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index b42136a61f3..9518b5cfb82 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -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 * -- cgit v1.2.3-70-g09d2