qcacld-3.0: Make RX wakelock duration configurable

Propagation from qcacld-2.0

Change hard coded RX wakelock duration into an ini configuration item.
Only aquire the wakelock for unicast traffic, and if the configured
wakelock item is greater than 0.

Change-Id: I46b946ddfeae510a5446ff4ab012c09e4964a50c
CRs-Fixed: 1068594

Kbuild

@@ -1479,10 +1479,6 @@ ifeq ($(CONFIG_SMP),y)
 CDEFINES += -DQCA_CONFIG_SMP
 endif
 
-ifeq ($(CONFIG_WLAN_FEATURE_RX_WAKELOCK), y)
-CDEFINES += -DWLAN_FEATURE_HOLD_RX_WAKELOCK
-endif
-
 #Enable Channel Matrix restriction for all Rome only targets
 ifneq (y,$(filter y,$(CONFIG_CNSS_EOS) $(CONFIG_ICNSS)))
 CDEFINES += -DWLAN_ENABLE_CHNL_MATRIX_RESTRICTION

Kconfig

@@ -108,10 +108,6 @@ config WLAN_LRO
 	depends on CONFIG_INET_LRO
 	default n
 
-config WLAN_FEATURE_RX_WAKELOCK
-	bool "Enable RX wake lock feature"
-	default n
-
 config WLAN_SYNC_TSF
 	bool "Enable QCOM sync multi devices tsf feature"
 	default n

core/hdd/inc/wlan_hdd_cfg.h

@@ -3597,6 +3597,29 @@ enum dot11p_mode {
 #define CFG_CRASH_FW_TIMEOUT_ENABLE     (1)
 #define CFG_CRASH_FW_TIMEOUT_DEFAULT    (0)
 
+/*
+ * <ini>
+ * rx_wakelock_timeout - Amount of time to hold wakelock for RX unicast packets
+ * @Min: 0
+ * @Max: 100
+ * @Default: 50
+ *
+ * This ini item configures the amount of time, in milliseconds, that the driver
+ * should prevent system power collapse after receiving an RX unicast packet.
+ * A conigured value of 0 disables the RX Wakelock feature completely.
+ *
+ * Related: None.
+ *
+ * Supported Feature: RX Wakelock
+ *
+ * Usage: Internal/External
+ *
+ * </ini>
+ */
+#define CFG_RX_WAKELOCK_TIMEOUT_NAME     "rx_wakelock_timeout"
+#define CFG_RX_WAKELOCK_TIMEOUT_DEFAULT  (50)
+#define CFG_RX_WAKELOCK_TIMEOUT_MIN      (0)
+#define CFG_RX_WAKELOCK_TIMEOUT_MAX      (100)
 
 /*---------------------------------------------------------------------------
    Type declarations
@@ -4269,6 +4292,7 @@ struct hdd_config {
 	bool sta_prefer_80MHz_over_160MHz;
 	uint8_t sap_max_inactivity_override;
 	bool fw_timeout_crash;
+	uint32_t rx_wakelock_timeout;
 };
 
 #define VAR_OFFSET(_Struct, _Var) (offsetof(_Struct, _Var))

core/hdd/inc/wlan_hdd_main.h

@@ -219,9 +219,6 @@
 
 #define WLAN_HDD_PUBLIC_ACTION_TDLS_DISC_RESP 14
 #define WLAN_HDD_TDLS_ACTION_FRAME 12
-#ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK
-#define HDD_WAKE_LOCK_DURATION 50       /* in msecs */
-#endif
 
 #define WLAN_HDD_QOS_ACTION_FRAME 1
 #define WLAN_HDD_QOS_MAP_CONFIGURE 4
@@ -1341,10 +1338,7 @@ struct hdd_context_s {
 	/** P2P Device MAC Address for the adapter  */
 	struct qdf_mac_addr p2pDeviceAddress;
 
-#ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK
 	qdf_wake_lock_t rx_wake_lock;
-#endif
-
 	qdf_wake_lock_t sap_wake_lock;
 
 #ifdef FEATURE_WLAN_TDLS

core/hdd/src/wlan_hdd_cfg.c

@@ -4048,6 +4048,12 @@ REG_TABLE_ENTRY g_registry_table[] = {
 		CFG_CRASH_FW_TIMEOUT_DEFAULT,
 		CFG_CRASH_FW_TIMEOUT_DISABLE,
 		CFG_CRASH_FW_TIMEOUT_ENABLE),
+	REG_VARIABLE(CFG_RX_WAKELOCK_TIMEOUT_NAME, WLAN_PARAM_Integer,
+		struct hdd_config, rx_wakelock_timeout,
+		VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+		CFG_RX_WAKELOCK_TIMEOUT_DEFAULT,
+		CFG_RX_WAKELOCK_TIMEOUT_MIN,
+		CFG_RX_WAKELOCK_TIMEOUT_MAX)
 };
 
 /**

core/hdd/src/wlan_hdd_main.c

@@ -4654,7 +4654,6 @@ out:
 	return ret;
 }
 
-#ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK
 /**
  * hdd_rx_wake_lock_destroy() - Destroy RX wakelock
  * @hdd_ctx:	HDD context.
@@ -4680,10 +4679,6 @@ static void hdd_rx_wake_lock_create(hdd_context_t *hdd_ctx)
 {
 	qdf_wake_lock_create(&hdd_ctx->rx_wake_lock, "qcom_rx_wakelock");
 }
-#else
-static void hdd_rx_wake_lock_destroy(hdd_context_t *hdd_ctx) { }
-static void hdd_rx_wake_lock_create(hdd_context_t *hdd_ctx) { }
-#endif
 
 /**
  * hdd_roc_context_init() - Init ROC context

core/hdd/src/wlan_hdd_softap_tx_rx.c

@@ -662,13 +662,18 @@ QDF_STATUS hdd_softap_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 		sizeof(qdf_nbuf_data(rxBuf)), QDF_RX));
 
 	skb->protocol = eth_type_trans(skb, skb->dev);
-#ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK
-	cds_host_diag_log_work(&pHddCtx->rx_wake_lock,
-			       HDD_WAKE_LOCK_DURATION,
-			       WIFI_POWER_EVENT_WAKELOCK_HOLD_RX);
-	qdf_wake_lock_timeout_acquire(&pHddCtx->rx_wake_lock,
-				      HDD_WAKE_LOCK_DURATION);
-#endif
+
+	/* hold configurable wakelock for unicast traffic */
+	if (pHddCtx->config->rx_wakelock_timeout &&
+	    skb->pkt_type != PACKET_BROADCAST &&
+	    skb->pkt_type != PACKET_MULTICAST) {
+		cds_host_diag_log_work(&pHddCtx->rx_wake_lock,
+				       pHddCtx->config->rx_wakelock_timeout,
+				       WIFI_POWER_EVENT_WAKELOCK_HOLD_RX);
+		qdf_wake_lock_timeout_acquire(&pHddCtx->rx_wake_lock,
+					      pHddCtx->config->
+						      rx_wakelock_timeout);
+	}
 
 	/* Remove SKB from internal tracking table before submitting
 	 * it to stack

core/hdd/src/wlan_hdd_tx_rx.c

@@ -1013,13 +1013,17 @@ QDF_STATUS hdd_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 		return QDF_STATUS_SUCCESS;
 	}
 
-#ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK
-	cds_host_diag_log_work(&pHddCtx->rx_wake_lock,
-			       HDD_WAKE_LOCK_DURATION,
-			       WIFI_POWER_EVENT_WAKELOCK_HOLD_RX);
-	qdf_wake_lock_timeout_acquire(&pHddCtx->rx_wake_lock,
-				      HDD_WAKE_LOCK_DURATION);
-#endif
+	/* hold configurable wakelock for unicast traffic */
+	if (pHddCtx->config->rx_wakelock_timeout &&
+	    skb->pkt_type != PACKET_BROADCAST &&
+	    skb->pkt_type != PACKET_MULTICAST) {
+		cds_host_diag_log_work(&pHddCtx->rx_wake_lock,
+				       pHddCtx->config->rx_wakelock_timeout,
+				       WIFI_POWER_EVENT_WAKELOCK_HOLD_RX);
+		qdf_wake_lock_timeout_acquire(&pHddCtx->rx_wake_lock,
+					      pHddCtx->config->
+						      rx_wakelock_timeout);
+	}
 
 	/* Remove SKB from internal tracking table before submitting
 	 * it to stack