qcacld-3.0: Add new ini for roam statistics cache number

Add ini groam_info_stats_num used to control wlan driver
cache roam statistics information number.

Change-Id: I203257af37dcac76c6822ddfcc2e9dc723078a25
CRs-Fixed: 3393712

components/mlme/core/src/wlan_mlme_main.c

@@ -2046,6 +2046,8 @@ static void mlme_init_roam_offload_cfg(struct wlan_objmgr_psoc *psoc,
 		cfg_get(psoc, CFG_LFR_ENABLE_IDLE_ROAM);
 	lfr->idle_roam_rssi_delta =
 		cfg_get(psoc, CFG_LFR_IDLE_ROAM_RSSI_DELTA);
+	lfr->roam_info_stats_num =
+		cfg_get(psoc, CFG_LFR3_ROAM_INFO_STATS_NUM);
 
 	ucfg_mlme_get_connection_roaming_ini_present(psoc, &val);
 	if (val) {

components/mlme/dispatcher/inc/cfg_mlme_lfr.h

@@ -3306,6 +3306,32 @@
 #define ROAM_REASON_VSIE_ALL
 #endif
 
+/*
+ * <ini>
+ * groam_info_stats_num - number of wlan driver cache roam information
+ * @Min: 0
+ * @Max: 32
+ * @Default: 5
+ *
+ * This ini is used to set the cache number of enhanced roam
+ * information, including roam trigger, scan information and
+ * roam frame information.
+ * If ini set to 0, enhanced roam feature not support
+ *
+ * Related: LFR
+ *
+ * Usage: External
+ *
+ * </ini>
+ */
+#define CFG_LFR3_ROAM_INFO_STATS_NUM CFG_INI_UINT( \
+		"groam_info_stats_num", \
+		0, \
+		32, \
+		5, \
+		CFG_VALUE_OR_DEFAULT, \
+		"Roam information cache number in wlan driver")
+
 #define CFG_LFR_ALL \
 	CFG(CFG_LFR_MAWC_ROAM_ENABLED) \
 	CFG(CFG_LFR_MAWC_ROAM_TRAFFIC_THRESHOLD) \
@@ -3407,6 +3433,7 @@
 	SAE_SINGLE_PMK_ALL \
 	ROAM_REASON_VSIE_ALL \
 	CFG(CFG_LFR_BEACONLOSS_TIMEOUT_ON_WAKEUP) \
-	CFG(CFG_LFR_BEACONLOSS_TIMEOUT_ON_SLEEP)
+	CFG(CFG_LFR_BEACONLOSS_TIMEOUT_ON_SLEEP) \
+	CFG(CFG_LFR3_ROAM_INFO_STATS_NUM)
 
 #endif /* CFG_MLME_LFR_H__ */

components/mlme/dispatcher/inc/wlan_mlme_api.h

@@ -3135,6 +3135,16 @@ QDF_STATUS
 wlan_mlme_get_idle_roam_rssi_delta(struct wlan_objmgr_psoc *psoc,
 				   uint32_t *val);
 
+/**
+ * wlan_mlme_get_roam_info_stats_num() - Get roam information statistics number
+ * @psoc: pointer to psoc object
+ * @val:  Pointer to roam_info_stats_num
+ *
+ * Return: QDF Status
+ */
+QDF_STATUS
+wlan_mlme_get_roam_info_stats_num(struct wlan_objmgr_psoc *psoc, uint32_t *val);
+
 /**
  * wlan_mlme_get_idle_roam_inactive_time() - Get idle roam inactive time
  * @psoc: pointer to psoc object

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -1856,6 +1856,7 @@ struct fw_scan_channels {
  *                           vsie in Re(assoc) frame
  * @roam_trigger_bitmap: Bitmap of roaming triggers.
  * @sta_roam_disable: STA roaming disabled by interfaces
+ * @roam_info_stats_num: STA roaming information cache number
  * @early_stop_scan_enable: Set early stop scan
  * @enable_5g_band_pref: Enable preference for 5G from INI
  * @ese_enabled: Enable ESE feature
@@ -1984,6 +1985,7 @@ struct wlan_mlme_lfr_cfg {
 	bool enable_roam_reason_vsie;
 	uint32_t roam_trigger_bitmap;
 	uint32_t sta_roam_disable;
+	uint32_t roam_info_stats_num;
 #endif
 	bool early_stop_scan_enable;
 	bool enable_5g_band_pref;

components/mlme/dispatcher/src/wlan_mlme_api.c

@@ -4975,6 +4975,22 @@ wlan_mlme_get_idle_roam_rssi_delta(struct wlan_objmgr_psoc *psoc, uint32_t *val)
 	return QDF_STATUS_SUCCESS;
 }
 
+QDF_STATUS
+wlan_mlme_get_roam_info_stats_num(struct wlan_objmgr_psoc *psoc, uint32_t *val)
+{
+	struct wlan_mlme_psoc_ext_obj *mlme_obj;
+
+	mlme_obj = mlme_get_psoc_ext_obj(psoc);
+	if (!mlme_obj) {
+		*val = cfg_default(CFG_LFR3_ROAM_INFO_STATS_NUM);
+		return QDF_STATUS_E_INVAL;
+	}
+
+	*val = mlme_obj->cfg.lfr.roam_info_stats_num;
+
+	return QDF_STATUS_SUCCESS;
+}
+
 QDF_STATUS
 wlan_mlme_get_idle_roam_inactive_time(struct wlan_objmgr_psoc *psoc,
 				      uint32_t *val)