WMM AC: Add add_tx_ts and del_tx_ts driver ops

Add add_tx_ts() and del_tx_ts() ops to notify the driver about
TSPEC add / delete.

Additionally, add wmm_ac_supported flag to indicate
whether the driver supports WMM AC.

Signed-off-by: Moshe Benji <moshe.benji@intel.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>

src/drivers/driver.h

@@ -1072,6 +1072,8 @@ struct wpa_driver_capa {
 #define WPA_DRIVER_SMPS_MODE_DYNAMIC			0x00000002
 	unsigned int smps_modes;
 
+	unsigned int wmm_ac_supported:1;
+
 	int max_scan_ssids;
 	int max_sched_scan_ssids;
 	int sched_scan_supported;
@@ -2868,6 +2870,28 @@ struct wpa_driver_ops {
 	 */
 	int (*switch_channel)(void *priv, struct csa_settings *settings);
 
+	/**
+	 * add_tx_ts - Add traffic stream
+	 * @priv: Private driver interface data
+	 * @tsid: Traffic stream ID
+	 * @addr: Receiver address
+	 * @user_prio: User priority of the traffic stream
+	 * @admitted_time: Admitted time for this TS in units of
+	 *	32 microsecond periods (per second).
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*add_tx_ts)(void *priv, u8 tsid, const u8 *addr, u8 user_prio,
+			 u16 admitted_time);
+
+	/**
+	 * del_tx_ts - Delete traffic stream
+	 * @priv: Private driver interface data
+	 * @tsid: Traffic stream ID
+	 * @addr: Receiver address
+	 * Returns: 0 on success, -1 on failure
+	 */
+	int (*del_tx_ts)(void *priv, u8 tsid, const u8 *addr);
+
 	/**
 	 * start_dfs_cac - Listen for radar interference on the channel
 	 * @priv: Private driver interface data

wpa_supplicant/driver_i.h

@@ -609,6 +609,24 @@ static inline int wpa_drv_switch_channel(struct wpa_supplicant *wpa_s,
 	return wpa_s->driver->switch_channel(wpa_s->drv_priv, settings);
 }
 
+static inline int wpa_drv_add_ts(struct wpa_supplicant *wpa_s, u8 tsid,
+				 const u8 *address, u8 user_priority,
+				 u16 admitted_time)
+{
+	if (!wpa_s->driver->add_tx_ts)
+		return -1;
+	return wpa_s->driver->add_tx_ts(wpa_s->drv_priv, tsid, address,
+					user_priority, admitted_time);
+}
+
+static inline int wpa_drv_del_ts(struct wpa_supplicant *wpa_s, u8 tid,
+				 const u8 *address)
+{
+	if (!wpa_s->driver->del_tx_ts)
+		return -1;
+	return wpa_s->driver->del_tx_ts(wpa_s->drv_priv, tid, address);
+}
+
 static inline int wpa_drv_wnm_oper(struct wpa_supplicant *wpa_s,
 				   enum wnm_oper oper, const u8 *peer,
 				   u8 *buf, u16 *buf_len)

wpa_supplicant/wpa_supplicant.c

@@ -3813,6 +3813,7 @@ static int wpa_supplicant_init_iface(struct wpa_supplicant *wpa_s,
 		wpa_s->extended_capa_len = capa.extended_capa_len;
 		wpa_s->num_multichan_concurrent =
 			capa.num_multichan_concurrent;
+		wpa_s->wmm_ac_supported = capa.wmm_ac_supported;
 	}
 	if (wpa_s->max_remain_on_chan == 0)
 		wpa_s->max_remain_on_chan = 1000;

wpa_supplicant/wpa_supplicant_i.h

@@ -861,6 +861,7 @@ struct wpa_supplicant {
 	unsigned int no_keep_alive:1;
 	unsigned int ext_mgmt_frame_handling:1;
 	unsigned int ext_eapol_frame_io:1;
+	unsigned int wmm_ac_supported:1;
 
 #ifdef CONFIG_WNM
 	u8 wnm_dialog_token;