wlcore: add support for dynamic scan configuration (INTERNAL)

Adding new scan setup parameters: min/max dwell time
and number of probe requests.
Default scan parameters will be used whenever user doesn't set
these new scan parameters during the scan.

Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

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

@@ -136,7 +136,6 @@ static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	}
 
 	cmd->params.tx_rate = cpu_to_le32(basic_rate);
-	cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs;
 	cmd->params.tid_trigger = CONF_TX_AC_ANY_TID;
 	cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 
@@ -145,6 +144,11 @@ static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	else
 		cmd->params.band = WL1271_SCAN_BAND_5_GHZ;
 
+	if (wl->scan.req->num_probe)
+		cmd->params.n_probe_reqs = wl->scan.req->num_probe;
+	else
+		cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs;
+
 	if (wl->scan.ssid_len && wl->scan.ssid) {
 		cmd->params.ssid_len = wl->scan.ssid_len;
 		memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len);

drivers/net/wireless/ti/wl18xx/scan.c

@@ -71,7 +71,10 @@ static int wl18xx_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	cmd->urgency = 0;
 	cmd->protect = 0;
 
-	cmd->n_probe_reqs = wl->conf.scan.num_probe_reqs;
+	if (req->num_probe)
+		cmd->n_probe_reqs = wl->scan.req->num_probe;
+	else
+		cmd->n_probe_reqs = wl->conf.scan.num_probe_reqs;
 	cmd->terminate_after = 0;
 
 	/* configure channels */

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

@@ -148,6 +148,7 @@ wlcore_scan_get_channels(struct wl1271 *wl,
 	u32 dwell_time_passive, dwell_time_dfs;
 
 	/* configure dwell times according to scan type */
+	/* TODO: consider req->min/max dwell time */
 	if (scan_type == SCAN_TYPE_SEARCH) {
 		struct conf_scan_settings *c = &wl->conf.scan;
 		bool active_vif_exists = !!wlcore_count_started_vifs(wl);