mac80211: split sched scan IEs

Split sched scan IEs to band specific and not band specific
blocks. Common IEs blocks may be sent to the FW once per command,
instead of per band.

This allows optimization of size of the command, which may be
required by some drivers (eg. iwlmvm with newer firmware version).

As this changes the mac80211 API, update all drivers to use the
new version correctly, even if they don't (yet) make use of the
split data.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/ti/wl12xx/scan.c

@@ -156,7 +156,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 					 cmd->params.role_id, band,
 					 wl->scan.ssid, wl->scan.ssid_len,
 					 wl->scan.req->ie,
-					 wl->scan.req->ie_len, false);
+					 wl->scan.req->ie_len, NULL, 0, false);
 	if (ret < 0) {
 		wl1271_error("PROBE request template failed");
 		goto out;
@@ -317,7 +317,7 @@ static void wl12xx_adjust_channels(struct wl1271_cmd_sched_scan_config *cmd,
 int wl1271_scan_sched_scan_config(struct wl1271 *wl,
 				  struct wl12xx_vif *wlvif,
 				  struct cfg80211_sched_scan_request *req,
-				  struct ieee80211_sched_scan_ies *ies)
+				  struct ieee80211_scan_ies *ies)
 {
 	struct wl1271_cmd_sched_scan_config *cfg = NULL;
 	struct wlcore_scan_channels *cfg_channels = NULL;
@@ -378,8 +378,11 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
 						 wlvif->role_id, band,
 						 req->ssids[0].ssid,
 						 req->ssids[0].ssid_len,
-						 ies->ie[band],
-						 ies->len[band], true);
+						 ies->ies[band],
+						 ies->len[band],
+						 ies->common_ies,
+						 ies->common_ie_len,
+						 true);
 		if (ret < 0) {
 			wl1271_error("2.4GHz PROBE request template failed");
 			goto out;
@@ -392,8 +395,11 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
 						 wlvif->role_id, band,
 						 req->ssids[0].ssid,
 						 req->ssids[0].ssid_len,
-						 ies->ie[band],
-						 ies->len[band], true);
+						 ies->ies[band],
+						 ies->len[band],
+						 ies->common_ies,
+						 ies->common_ie_len,
+						 true);
 		if (ret < 0) {
 			wl1271_error("5GHz PROBE request template failed");
 			goto out;
@@ -449,7 +455,7 @@ out_free:
 
 int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif  *wlvif,
 			    struct cfg80211_sched_scan_request *req,
-			    struct ieee80211_sched_scan_ies *ies)
+			    struct ieee80211_scan_ies *ies)
 {
 	int ret;