mac80211: process and save VHT MU-MIMO group frame

The Group ID Management frame is an Action frame of
category VHT. It is transmitted by the AP to assign
or change the user position of a STA for one or more
group IDs.
Process and save the group membership data. Notify
underlying driver of changes.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 54c6481350b6a9c16cb8feae87292d9dbee44c68..e9506eb0fd59f4f504b31d0e56b179b0bd6896da 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -846,6 +846,8 @@ enum ieee80211_vht_opmode_bits {
 };
 
 #define WLAN_SA_QUERY_TR_ID_LEN 2
+#define WLAN_MEMBERSHIP_LEN 8
+#define WLAN_USER_POSITION_LEN 16
 
 /**
  * struct ieee80211_tpc_report_ie
@@ -992,6 +994,11 @@ struct ieee80211_mgmt {
                                        u8 action_code;
                                        u8 operating_mode;
                                } __packed vht_opmode_notif;
+                               struct {
+                                       u8 action_code;
+                                       u8 membership[WLAN_MEMBERSHIP_LEN];
+                                       u8 position[WLAN_USER_POSITION_LEN];
+                               } __packed vht_group_notif;
                                struct {
                                        u8 action_code;
                                        u8 dialog_token;