qcacld: nuke rx_wakelock code entirely

We're not allowing this to be configurable on this kernel.

Nuke this entirely to reduce resource usage.

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Change-Id: I859cb6cefdbc0568d04ec31eefc382cbffe931f7

6 files changed, 0 insertions, 130 deletions

diff --git a/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_cfg.h b/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_cfg.h
index 9d7500970a08..86354464c96d 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_cfg.h
+++ b/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_cfg.h
@@ -10758,12 +10758,6 @@ enum restart_beaconing_on_ch_avoid_rule {
 #define CFG_CRASH_FW_TIMEOUT_ENABLE     (1)
 #define CFG_CRASH_FW_TIMEOUT_DEFAULT    (1)
 
-/* Hold wakelock for unicast RX packets for the specified duration  */
-#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)
-
 /*
  * <ini>
  * enable_5g_band_pref - Enable preference for 5G from INI.
@@ -15962,7 +15956,6 @@ struct hdd_config {
 	/* beacon count before channel switch */
 	uint8_t sap_chanswitch_beacon_cnt;
 	uint8_t sap_chanswitch_mode;
-	uint32_t rx_wakelock_timeout;
 #ifdef WLAN_FEATURE_WOW_PULSE
 	bool wow_pulse_support;
 	uint8_t wow_pulse_pin;
diff --git a/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_main.h b/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_main.h
index ca894fb5fd35..c26d009bb817 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_main.h
+++ b/drivers/staging/qcacld-3.0/core/hdd/inc/wlan_hdd_main.h
@@ -2005,7 +2005,6 @@ struct hdd_context_s {
 	/** P2P Device MAC Address for the adapter  */
 	struct qdf_mac_addr p2pDeviceAddress;
 
-	qdf_wake_lock_t rx_wake_lock;
 	qdf_wake_lock_t sap_wake_lock;
 
 #ifdef FEATURE_WLAN_TDLS
diff --git a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_cfg.c b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_cfg.c
index 09067280125c..1cc3a166ebce 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_cfg.c
+++ b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_cfg.c
@@ -4544,10 +4544,6 @@ struct 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,
-		0, 0, 0),
 
 	REG_VARIABLE(CFG_SAP_CH_SWITCH_BEACON_CNT, WLAN_PARAM_Integer,
 		     struct hdd_config, sap_chanswitch_beacon_cnt,
diff --git a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_main.c b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_main.c
index 0a0a7dcdc7e8..2eb74fa9e1c3 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_main.c
+++ b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_main.c
@@ -6560,32 +6560,6 @@ out:
 }
 
 /**
- * hdd_rx_wake_lock_destroy() - Destroy RX wakelock
- * @hdd_ctx:	HDD context.
- *
- * Destroy RX wakelock.
- *
- * Return: None.
- */
-static void hdd_rx_wake_lock_destroy(hdd_context_t *hdd_ctx)
-{
-	qdf_wake_lock_destroy(&hdd_ctx->rx_wake_lock);
-}
-
-/**
- * hdd_rx_wake_lock_create() - Create RX wakelock
- * @hdd_ctx:	HDD context.
- *
- * Create RX wakelock.
- *
- * Return: None.
- */
-static void hdd_rx_wake_lock_create(hdd_context_t *hdd_ctx)
-{
-	qdf_wake_lock_create(&hdd_ctx->rx_wake_lock, "qcom_rx_wakelock");
-}
-
-/**
  * hdd_roc_context_init() - Init ROC context
  * @hdd_ctx:	HDD context.
  *
@@ -6639,8 +6613,6 @@ static int hdd_context_deinit(hdd_context_t *hdd_ctx)
 
 	hdd_sap_context_destroy(hdd_ctx);
 
-	hdd_rx_wake_lock_destroy(hdd_ctx);
-
 	hdd_tdls_context_destroy(hdd_ctx);
 
 	hdd_scan_context_destroy(hdd_ctx);
@@ -8778,8 +8750,6 @@ static int hdd_context_init(hdd_context_t *hdd_ctx)
 
 	hdd_tdls_context_init(hdd_ctx, false);
 
-	hdd_rx_wake_lock_create(hdd_ctx);
-
 	ret = hdd_sap_context_init(hdd_ctx);
 	if (ret)
 		goto scan_destroy;
@@ -8810,7 +8780,6 @@ sap_destroy:
 
 scan_destroy:
 	hdd_scan_context_destroy(hdd_ctx);
-	hdd_rx_wake_lock_destroy(hdd_ctx);
 	hdd_tdls_context_destroy(hdd_ctx);
 
 list_destroy:
diff --git a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_softap_tx_rx.c b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_softap_tx_rx.c
index 92fe1d522878..abc091498cd3 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_softap_tx_rx.c
+++ b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_softap_tx_rx.c
@@ -929,18 +929,6 @@ QDF_STATUS hdd_softap_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 
 	skb->protocol = eth_type_trans(skb, skb->dev);
 
-	/* 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
 	 */
diff --git a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_tx_rx.c b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_tx_rx.c
index cb65ed5ed000..08e38b9888fc 100644
--- a/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_tx_rx.c
+++ b/drivers/staging/qcacld-3.0/core/hdd/src/wlan_hdd_tx_rx.c
@@ -1478,66 +1478,6 @@ static bool hdd_is_duplicate_ip_arp(struct sk_buff *skb)
 	return false;
 }
 
-/**
- * hdd_is_arp_local() - check if local or non local arp
- * @skb: pointer to sk_buff
- *
- * Return: true if local arp or false otherwise.
- */
-static bool hdd_is_arp_local(struct sk_buff *skb)
-{
-	struct arphdr *arp;
-	struct in_ifaddr **ifap = NULL;
-	struct in_ifaddr *ifa = NULL;
-	struct in_device *in_dev;
-	unsigned char *arp_ptr;
-	__be32 tip;
-
-	arp = (struct arphdr *)skb->data;
-	if (arp->ar_op == htons(ARPOP_REQUEST)) {
-		in_dev = __in_dev_get_rtnl(skb->dev);
-		if (in_dev) {
-			for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
-				ifap = &ifa->ifa_next) {
-				if (!strcmp(skb->dev->name, ifa->ifa_label))
-					break;
-			}
-		}
-
-		if (ifa && ifa->ifa_local) {
-			arp_ptr = (unsigned char *)(arp + 1);
-			arp_ptr += (skb->dev->addr_len + 4 +
-					skb->dev->addr_len);
-			memcpy(&tip, arp_ptr, 4);
-			hdd_debug("ARP packet: local IP: %x dest IP: %x",
-				ifa->ifa_local, tip);
-			if (ifa->ifa_local == tip)
-				return true;
-		}
-	}
-
-	return false;
-}
-
-/**
- * hdd_is_rx_wake_lock_needed() - check if wake lock is needed
- * @skb: pointer to sk_buff
- *
- * RX wake lock is needed for:
- * 1) Unicast data packet OR
- * 2) Local ARP data packet
- *
- * Return: true if wake lock is needed or false otherwise.
- */
-static bool hdd_is_rx_wake_lock_needed(struct sk_buff *skb)
-{
-	if ((skb->pkt_type != PACKET_BROADCAST &&
-	     skb->pkt_type != PACKET_MULTICAST) || hdd_is_arp_local(skb))
-		return true;
-
-	return false;
-}
-
 #ifdef WLAN_FEATURE_TSF_PLUS
 static inline void hdd_tsf_timestamp_rx(hdd_context_t *hdd_ctx,
 					qdf_nbuf_t netbuf,
@@ -1898,7 +1838,6 @@ QDF_STATUS hdd_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 	struct sk_buff *skb = NULL;
 	hdd_station_ctx_t *pHddStaCtx = NULL;
 	unsigned int cpu_index;
-	bool wake_lock = false;
 	bool is_arp = false;
 	bool track_arp = false;
 	uint8_t pkt_type = 0;
@@ -1995,20 +1934,6 @@ QDF_STATUS hdd_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 		return QDF_STATUS_SUCCESS;
 	}
 
-	/* hold configurable wakelock for unicast traffic */
-	if (pHddCtx->config->rx_wakelock_timeout &&
-	    pHddStaCtx->conn_info.uIsAuthenticated)
-		wake_lock = hdd_is_rx_wake_lock_needed(skb);
-
-	if (wake_lock) {
-		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
 	 */