From ab1364a5ca8604bac54e5ed85236d9db3e40d20a Mon Sep 17 00:00:00 2001
From: Dustin Brown <dustinb@codeaurora.org>
Date: Mon, 27 Mar 2017 16:59:08 -0700
Subject: [PATCH] qcacld-3.0: Add gL1ssSleepAllowed

Add an ini item for configuring when PCIe L1ss Sleep is allowed.

Change-Id: I49eddbf7a91678753524a1b623765b5622f85520
CRs-Fixed: 2025363
---
 core/hdd/inc/wlan_hdd_cfg.h | 41 +++++++++++++++++++++++++++++++++++++
 core/hdd/src/wlan_hdd_cfg.c |  8 ++++++++
 2 files changed, 49 insertions(+)

diff --git a/core/hdd/inc/wlan_hdd_cfg.h b/core/hdd/inc/wlan_hdd_cfg.h
index b0d1a6fde6a2..b7cab9c70739 100644
--- a/core/hdd/inc/wlan_hdd_cfg.h
+++ b/core/hdd/inc/wlan_hdd_cfg.h
@@ -9152,6 +9152,46 @@ enum hdd_wext_control {
 
 #endif /* WLAN_FEATURE_11AX */
 
+/**
+ * enum l1ss_sleep_allowed - when L1ss Sleep is allowed on capable platforms
+ * @L1SS_SLEEP_ALLOWED_NEVER: never allow L1ss Sleep
+ * @L1SS_SLEEP_ALLOWED_STA_CONNECTED: allow in station mode (connected)
+ * @L1SS_SLEEP_ALLOWED_STA_DISCONNECTED: allow in station mode (disconnected)
+ * @L1SS_SLEEP_ALLOWED_ALWAYS: always allow L1ss Sleep
+ */
+enum l1ss_sleep_allowed {
+	L1SS_SLEEP_ALLOWED_NEVER = 0,
+	L1SS_SLEEP_ALLOWED_STA_CONNECTED = BIT(0),
+	L1SS_SLEEP_ALLOWED_STA_DISCONNECTED = BIT(1),
+	L1SS_SLEEP_ALLOWED_ALWAYS = 0xff
+};
+
+/*
+ * <ini>
+ * gL1ssSleepAllowed - Control when L1ss Sleep is allowed on capable platforms
+ * @Min: 0 (disabled)
+ * @Max: 255 (always allow)
+ * @Default: 1 (station mode - connected)
+ *
+ * This config item controls when L1ss Sleep is allowed on capable platforms.
+ * The default is connected station mode to support DTIM power savings.
+ *	0) never allow
+ *	1) station mode (connected)
+ *	2) station mode (disconnected)
+ *	255) always allow
+ *
+ * Related: N/A
+ *
+ * Supported Feature: L1ss Sleep
+ *
+ * Usage: Internal/External
+ * </ini>
+ */
+#define CFG_L1SS_SLEEP_ALLOWED_NAME    "gL1ssSleepAllowed"
+#define CFG_L1SS_SLEEP_ALLOWED_MIN     (L1SS_SLEEP_ALLOWED_NEVER)
+#define CFG_L1SS_SLEEP_ALLOWED_MAX     (L1SS_SLEEP_ALLOWED_ALWAYS)
+#define CFG_L1SS_SLEEP_ALLOWED_DEFAULT (L1SS_SLEEP_ALLOWED_STA_CONNECTED)
+
 /*
  * Type declarations
  */
@@ -9866,6 +9906,7 @@ struct hdd_config {
 	bool enable_ul_mimo;
 	bool enable_ul_ofdma;
 #endif
+	enum l1ss_sleep_allowed l1ss_sleep_allowed;
 };
 
 #define VAR_OFFSET(_Struct, _Var) (offsetof(_Struct, _Var))
diff --git a/core/hdd/src/wlan_hdd_cfg.c b/core/hdd/src/wlan_hdd_cfg.c
index a27e0b7f885e..6fd150fcd634 100644
--- a/core/hdd/src/wlan_hdd_cfg.c
+++ b/core/hdd/src/wlan_hdd_cfg.c
@@ -4278,6 +4278,14 @@ REG_TABLE_ENTRY g_registry_table[] = {
 		     CFG_ENABLE_UL_OFDMA_MIN,
 		     CFG_ENABLE_UL_OFDMA_MAX),
 #endif
+
+	REG_VARIABLE(CFG_L1SS_SLEEP_ALLOWED_NAME, WLAN_PARAM_Integer,
+		struct hdd_config, l1ss_sleep_allowed,
+		VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+		CFG_L1SS_SLEEP_ALLOWED_DEFAULT,
+		CFG_L1SS_SLEEP_ALLOWED_MIN,
+		CFG_L1SS_SLEEP_ALLOWED_MAX),
+
 };
 
 /**