qcacld-3.0: Add handler for new optimized_power_management attribute

Add handler for the newly created optimized_power_management attribute.

Change-Id: I09d0a328f8685484e53e17329ffe40fbbcdd568a
CRs-Fixed: 2715055

core/hdd/src/wlan_hdd_cfg80211.c

@@ -8488,6 +8488,8 @@ static const struct independent_setters independent_setters[] = {
 	 hdd_set_dynamic_bw},
 	{QCA_WLAN_VENDOR_ATTR_CONFIG_NSS,
 	 hdd_set_nss},
+	{QCA_WLAN_VENDOR_ATTR_CONFIG_OPTIMIZED_POWER_MANAGEMENT,
+	 hdd_config_power},
 };
 
 #ifdef WLAN_FEATURE_ELNA
@@ -8856,6 +8858,39 @@ static int hdd_get_nss_config(struct hdd_adapter *adapter,
 	return 0;
 }
 
+/**
+ * hdd_get_optimized_power_config() - Get the number of spatial streams
+ * supported by the adapter
+ * @adapter: Pointer to HDD adapter
+ * @skb: sk buffer to hold nl80211 attributes
+ * @attr: Pointer to struct nlattr
+ *
+ * Return: 0 on success; error number otherwise
+ */
+static int hdd_get_optimized_power_config(struct hdd_adapter *adapter,
+					  struct sk_buff *skb,
+					  const struct nlattr *attr)
+{
+	struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
+	uint8_t optimized_power_cfg;
+	int errno;
+
+	errno = wlan_hdd_validate_context(hdd_ctx);
+	if (errno)
+		return errno;
+
+	optimized_power_cfg  = ucfg_pmo_get_power_save_mode(hdd_ctx->psoc);
+
+	if (nla_put_u8(skb,
+		       QCA_WLAN_VENDOR_ATTR_CONFIG_OPTIMIZED_POWER_MANAGEMENT,
+		       optimized_power_cfg)) {
+		hdd_err_rl("nla_put failure");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /**
  * typedef config_getter_fn - get configuration handler
  * @adapter: The adapter being configured
@@ -8921,6 +8956,9 @@ static const struct config_getters config_getters[] = {
 	{QCA_WLAN_VENDOR_ATTR_CONFIG_NSS,
 	 sizeof(uint8_t),
 	 hdd_get_nss_config},
+	{QCA_WLAN_VENDOR_ATTR_CONFIG_OPTIMIZED_POWER_MANAGEMENT,
+	 sizeof(uint8_t),
+	 hdd_get_optimized_power_config},
 };
 
 /**

core/hdd/src/wlan_hdd_power.c

@@ -2520,10 +2520,6 @@ int hdd_set_power_config(struct hdd_context *hddctx,
 {
 	QDF_STATUS status;
 
-	if (!ucfg_pmo_get_power_save_mode(hddctx->psoc)) {
-		hdd_err("power save is disabled in configuration");
-		return -EINVAL;
-	}
 	if (adapter->device_mode != QDF_STA_MODE &&
 	    adapter->device_mode != QDF_P2P_CLIENT_MODE) {
 		hdd_info("Advanced power save only allowed in STA/P2P-Client modes:%d",
@@ -2548,6 +2544,9 @@ int hdd_set_power_config(struct hdd_context *hddctx,
 		return -EINVAL;
 	}
 
+	/* cache latest userspace power save config to reapply after SSR */
+	ucfg_pmo_set_power_save_mode(hddctx->psoc, power);
+
 	return 0;
 }