ieee80211: add TWT element definitions

Introduce TWT definitions and TWT Information element structure
in ieee80211.h

Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/71d8b581fe4b5abc5b92f8d77ac2de3e2f7591b6.1629741512.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index a64cb2f37b531029e61f5cf42608676cb1955874..08a9eabe9fa338968602152b2f5f7b2f0d7d39d5 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1090,6 +1090,48 @@ struct ieee80211_ext {
        } u;
 } __packed __aligned(2);
 
+#define IEEE80211_TWT_CONTROL_NDP                      BIT(0)
+#define IEEE80211_TWT_CONTROL_RESP_MODE                        BIT(1)
+#define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST       BIT(3)
+#define IEEE80211_TWT_CONTROL_RX_DISABLED              BIT(4)
+#define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT            BIT(5)
+
+#define IEEE80211_TWT_REQTYPE_REQUEST                  BIT(0)
+#define IEEE80211_TWT_REQTYPE_SETUP_CMD                        GENMASK(3, 1)
+#define IEEE80211_TWT_REQTYPE_TRIGGER                  BIT(4)
+#define IEEE80211_TWT_REQTYPE_IMPLICIT                 BIT(5)
+#define IEEE80211_TWT_REQTYPE_FLOWTYPE                 BIT(6)
+#define IEEE80211_TWT_REQTYPE_FLOWID                   GENMASK(9, 7)
+#define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP             GENMASK(14, 10)
+#define IEEE80211_TWT_REQTYPE_PROTECTION               BIT(15)
+
+enum ieee80211_twt_setup_cmd {
+       TWT_SETUP_CMD_REQUEST,
+       TWT_SETUP_CMD_SUGGEST,
+       TWT_SETUP_CMD_DEMAND,
+       TWT_SETUP_CMD_GROUPING,
+       TWT_SETUP_CMD_ACCEPT,
+       TWT_SETUP_CMD_ALTERNATE,
+       TWT_SETUP_CMD_DICTATE,
+       TWT_SETUP_CMD_REJECT,
+};
+
+struct ieee80211_twt_params {
+       __le16 req_type;
+       __le64 twt;
+       u8 min_twt_dur;
+       __le16 mantissa;
+       u8 channel;
+} __packed;
+
+struct ieee80211_twt_setup {
+       u8 dialog_token;
+       u8 element_id;
+       u8 length;
+       u8 control;
+       u8 params[];
+} __packed;
+
 struct ieee80211_mgmt {
        __le16 frame_control;
        __le16 duration;
@@ -1254,6 +1296,10 @@ struct ieee80211_mgmt {
                                        __le16 toa_error;
                                        u8 variable[0];
                                } __packed ftm;
+                               struct {
+                                       u8 action_code;
+                                       u8 variable[];
+                               } __packed s1g;
                        } u;
                } __packed __aligned(4) action;
        } u __aligned(2);
@@ -2900,6 +2946,7 @@ enum ieee80211_eid {
        WLAN_EID_AID_RESPONSE = 211,
        WLAN_EID_S1G_BCN_COMPAT = 213,
        WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
+       WLAN_EID_S1G_TWT = 216,
        WLAN_EID_S1G_CAPABILITIES = 217,
        WLAN_EID_VENDOR_SPECIFIC = 221,
        WLAN_EID_QOS_PARAMETER = 222,
@@ -2969,6 +3016,7 @@ enum ieee80211_category {
        WLAN_CATEGORY_FST = 18,
        WLAN_CATEGORY_UNPROT_DMG = 20,
        WLAN_CATEGORY_VHT = 21,
+       WLAN_CATEGORY_S1G = 22,
        WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
        WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
 };
@@ -3042,6 +3090,20 @@ enum ieee80211_key_len {
        WLAN_KEY_LEN_BIP_GMAC_256 = 32,
 };
 
+enum ieee80211_s1g_actioncode {
+       WLAN_S1G_AID_SWITCH_REQUEST,
+       WLAN_S1G_AID_SWITCH_RESPONSE,
+       WLAN_S1G_SYNC_CONTROL,
+       WLAN_S1G_STA_INFO_ANNOUNCE,
+       WLAN_S1G_EDCA_PARAM_SET,
+       WLAN_S1G_EL_OPERATION,
+       WLAN_S1G_TWT_SETUP,
+       WLAN_S1G_TWT_TEARDOWN,
+       WLAN_S1G_SECT_GROUP_ID_LIST,
+       WLAN_S1G_SECT_ID_FEEDBACK,
+       WLAN_S1G_TWT_INFORMATION = 11,
+};
+
 #define IEEE80211_WEP_IV_LEN           4
 #define IEEE80211_WEP_ICV_LEN          4
 #define IEEE80211_CCMP_HDR_LEN         8