mac80211: 802.11w - SA Query processing

Process SA Query Requests for client mode in mac80211. AP side
processing of SA Query Response frames is in user space (hostapd).

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index df98a8a549a2..9fe1948d28d3 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -527,6 +527,8 @@ struct ieee80211_tim_ie {
         u8 virtual_map[0];
 } __attribute__ ((packed));
 
+#define WLAN_SA_QUERY_TR_ID_LEN 16
+
 struct ieee80211_mgmt {
         __le16 frame_control;
         __le16 duration;
@@ -646,6 +648,10 @@ struct ieee80211_mgmt {
                                         u8 action_code;
                                         u8 variable[0];
                                 } __attribute__((packed)) mesh_action;
+                                struct {
+                                        u8 action;
+                                        u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
+                                } __attribute__ ((packed)) sa_query;
                         } u;
                 } __attribute__ ((packed)) action;
         } u;
@@ -1041,6 +1047,7 @@ enum ieee80211_category {
         WLAN_CATEGORY_DLS = 2,
         WLAN_CATEGORY_BACK = 3,
         WLAN_CATEGORY_PUBLIC = 4,
+        WLAN_CATEGORY_SA_QUERY = 8,
         WLAN_CATEGORY_WMM = 17,
 };
 
@@ -1129,6 +1136,13 @@ enum ieee80211_back_parties {
         WLAN_BACK_TIMER = 2,
 };
 
+/* SA Query action */
+enum ieee80211_sa_query_action {
+        WLAN_ACTION_SA_QUERY_REQUEST = 0,
+        WLAN_ACTION_SA_QUERY_RESPONSE = 1,
+};
+
+
 /* A-MSDU 802.11n */
 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080