qcacld-3.0: Support mld self roaming with high rssi trigger

Support mld self roam between DBS(2 GHz+5/6 GHz) and HBS(5 GHz+6 GHz).
Change high rssi config.

Change-Id: Icb65f26509848a09fe46bf01154a0f42efa073f2
CRs-Fixed: 3416549

components/mlme/dispatcher/inc/cfg_mlme_lfr.h

@@ -1996,8 +1996,8 @@
  * <ini>
  * gRoamScanHiRssiDelta - Sets RSSI Delta for scan trigger
  * @Min: 0
- * @Max: 16
- * @Default: 10
+ * @Max: 40
+ * @Default: 23
  *
  * This INI is used to set change in RSSI at which scan is triggered
  * in 5GHz.
@@ -2013,8 +2013,8 @@
 #define CFG_LFR_ROAM_SCAN_HI_RSSI_DELTA CFG_INI_UINT( \
 	"gRoamScanHiRssiDelta", \
 	0, \
-	16, \
-	10, \
+	40, \
+	23, \
 	CFG_VALUE_OR_DEFAULT, \
 	"RSSI Delta for scan trigger")
 

components/umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_roam_api.h

@@ -1885,4 +1885,11 @@ wlan_cm_set_assoc_btm_cap(struct wlan_objmgr_vdev *vdev, bool val);
 bool
 wlan_cm_get_assoc_btm_cap(struct wlan_objmgr_vdev *vdev);
 
+/**
+ * wlan_cm_is_self_mld_roam_supported() - Is self mld roam supported
+ * @psoc: pointer to psoc object
+ *
+ * Return: bool, true: self mld roam supported
+ */
+bool wlan_cm_is_self_mld_roam_supported(struct wlan_objmgr_psoc *psoc);
 #endif  /* WLAN_CM_ROAM_API_H__ */

components/umac/mlme/connection_mgr/dispatcher/src/wlan_cm_roam_api.c

@@ -4516,3 +4516,17 @@ wlan_cm_get_assoc_btm_cap(struct wlan_objmgr_vdev *vdev)
 
 	return mlme_priv->connect_info.assoc_btm_cap;
 }
+
+bool wlan_cm_is_self_mld_roam_supported(struct wlan_objmgr_psoc *psoc)
+{
+	struct wmi_unified *wmi_handle;
+
+	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
+	if (!wmi_handle) {
+		mlme_debug("Invalid WMI handle");
+		return false;
+	}
+
+	return wmi_service_enabled(wmi_handle,
+				   wmi_service_self_mld_roam_between_dbs_and_hbs);
+}

core/mac/src/pe/lim/lim_process_sme_req_messages.c

@@ -3116,7 +3116,15 @@ lim_fill_pe_session(struct mac_context *mac_ctx, struct pe_session *session,
 				   HI_RSSI_SCAN_RSSI_DELTA, &temp);
 	hi_rssi_scan_rssi_delta = temp.uint_value;
 
-	if (WLAN_REG_IS_24GHZ_CH_FREQ(bss_desc->chan_freq) &&
+	/*
+	 * Firmware will take care of checking hi_scan rssi delta, take care of
+	 * legacy -> legacy hi-rssi roam also if this feature flag is
+	 * advertised.
+	 */
+	if (wlan_cm_is_self_mld_roam_supported(mac_ctx->psoc)) {
+		wlan_cm_set_disable_hi_rssi(mac_ctx->pdev, session->vdev_id,
+					    false);
+	} else if (WLAN_REG_IS_24GHZ_CH_FREQ(bss_desc->chan_freq) &&
 	    (abs(bss_desc->rssi) >
 	     (neighbor_lookup_threshold - hi_rssi_scan_rssi_delta))) {
 		pe_debug("Enabling HI_RSSI, rssi: %d lookup_th: %d, delta:%d",