From 3f817fe718c6cb3ddcc2ab04ba86faecc20ef8fe Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Thu, 27 Oct 2016 00:42:01 +0300 Subject: [PATCH] cfg80211: Define IEEE P802.11ai (FILS) information elements Define the Element IDs and Element ID Extensions from IEEE P802.11ai/D11.0. In addition, add a new cfg80211_find_ext_ie() wrapper to make it easier to find information elements that used the Element ID Extension field. Signed-off-by: Jouni Malinen Signed-off-by: Johannes Berg --- include/linux/ieee80211.h | 20 ++++++++++++++++++++ include/net/cfg80211.h | 21 +++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index a80516fd65c8..d428adf51446 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1960,6 +1960,26 @@ enum ieee80211_eid { WLAN_EID_VENDOR_SPECIFIC = 221, WLAN_EID_QOS_PARAMETER = 222, + WLAN_EID_CAG_NUMBER = 237, + WLAN_EID_AP_CSN = 239, + WLAN_EID_FILS_INDICATION = 240, + WLAN_EID_DILS = 241, + WLAN_EID_FRAGMENT = 242, + WLAN_EID_EXTENSION = 255 +}; + +/* Element ID Extensions for Element ID 255 */ +enum ieee80211_eid_ext { + WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, + WLAN_EID_EXT_FILS_REQ_PARAMS = 2, + WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, + WLAN_EID_EXT_FILS_SESSION = 4, + WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, + WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, + WLAN_EID_EXT_KEY_DELIVERY = 7, + WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, + WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, + WLAN_EID_EXT_FILS_NONCE = 13, }; /* Action category code */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index dffc265a4fd6..8ca2e9f354f7 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4180,6 +4180,27 @@ static inline const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len) return cfg80211_find_ie_match(eid, ies, len, NULL, 0, 0); } +/** + * cfg80211_find_ext_ie - find information element with EID Extension in data + * + * @ext_eid: element ID Extension + * @ies: data consisting of IEs + * @len: length of data + * + * Return: %NULL if the extended 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. + * + * Note: There are no checks on the element length other than + * having to fit into the given data. + */ +static inline const u8 *cfg80211_find_ext_ie(u8 ext_eid, const u8 *ies, int len) +{ + return cfg80211_find_ie_match(WLAN_EID_EXTENSION, ies, len, + &ext_eid, 1, 2); +} + /** * cfg80211_find_vendor_ie - find vendor specific information element in data *