drivers: Add freq parameter to send_mlme() function

Change send_mlme() API to allow sending management frames on a specific
channel, overriding the internal driver decision.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>

src/ap/ap_drv_ops.c

@@ -633,7 +633,7 @@ int hostapd_drv_send_mlme(struct hostapd_data *hapd,
 {
 	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
 		return 0;
-	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
+	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0);
 }
 
 

src/drivers/driver.h

@@ -1940,10 +1940,12 @@ struct wpa_driver_ops {
 	 * @data: IEEE 802.11 management frame with IEEE 802.11 header
 	 * @data_len: Size of the management frame
 	 * @noack: Do not wait for this frame to be acked (disable retries)
+	 * @freq: Frequency (in MHz) to send the frame on, or 0 to let the
+	 * driver decide
 	 * Returns: 0 on success, -1 on failure
 	 */
 	int (*send_mlme)(void *priv, const u8 *data, size_t data_len,
-			 int noack);
+			 int noack, unsigned int freq);
 
 	/**
 	 * update_ft_ies - Update FT (IEEE 802.11r) IEs

src/drivers/driver_atheros.c

@@ -1840,7 +1840,7 @@ static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
 #ifdef CONFIG_IEEE80211R
 
 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
-			     int noack)
+			     int noack, unsigned int freq)
 {
 	struct atheros_driver_data *drv = priv;
 	u8 buf[1510];

src/drivers/driver_hostap.c

@@ -266,7 +266,8 @@ static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
 }
 
 
-static int hostap_send_mlme(void *priv, const u8 *msg, size_t len, int noack)
+static int hostap_send_mlme(void *priv, const u8 *msg, size_t len, int noack,
+			    unsigned int freq)
 {
 	struct hostap_driver_data *drv = priv;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;

src/drivers/driver_nl80211.c

@@ -7245,11 +7245,12 @@ static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
 
 
 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
-				    size_t data_len, int noack)
+				    size_t data_len, int noack,
+				    unsigned int freq)
 {
 	struct i802_bss *bss = priv;
 	return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
-					    0, 0, 0, 0);
+					    freq, 0, 0, 0);
 }
 
 

wpa_supplicant/driver_i.h

@@ -290,7 +290,7 @@ static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
 {
 	if (wpa_s->driver->send_mlme)
 		return wpa_s->driver->send_mlme(wpa_s->drv_priv,
-						data, data_len, noack);
+						data, data_len, noack, 0);
 	return -1;
 }