wlan-cld: hdd: Log the packet information in kmsg

Printing the packet information for tx/rx mgmt, action, EAPOL
and DHCP for debugging the connection issues.
A new ini variable is "gEnableDebugLog" added to
enable/disable these logs. By default this flag is disabled.
Also added an iwpriv command "setDbgLvl" to achieve the same.

Change-Id: Ia2e0fe372d267b83596be007ffd9c7b8407dbe56
CRs-Fixed: 600142

3 files changed, 33 insertions, 0 deletions

diff --git a/CORE/HDD/inc/wlan_hdd_cfg.h b/CORE/HDD/inc/wlan_hdd_cfg.h
index 2137fbd00d72..a8125a7a5003 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg.h
@@ -2192,6 +2192,18 @@ This feature requires the dependent cfg.ini "gRoamPrefer5GHz" set to 1 */
 #define CFG_SAP_MAX_NO_PEERS_MAX                   (32)
 #define CFG_SAP_MAX_NO_PEERS_DEFAULT               (32)
 
+/*
+ * Connection related log Enable/Disable.
+ * 0x1 - Enable mgmt pkt logs (no probe req/rsp).
+ * 0x2 - Enable EAPOL pkt logs.
+ * 0x4 - Enable DHCP pkt logs.
+ * 0x0 - Disable all the above connection related logs.
+ */
+#define CFG_ENABLE_DEBUG_CONNECT_ISSUE             "gEnableDebugLog"
+#define CFG_ENABLE_DEBUG_CONNECT_ISSUE_MIN         (0)
+#define CFG_ENABLE_DEBUG_CONNECT_ISSUE_MAX         (0xFF)
+#define CFG_ENABLE_DEBUG_CONNECT_ISSUE_DEFAULT     (0)
+
 /*---------------------------------------------------------------------------
   Type declarations
   -------------------------------------------------------------------------*/
@@ -2649,6 +2661,7 @@ typedef struct
    v_U16_t                     thermalTempMinLevel3;
    v_U16_t                     thermalTempMaxLevel3;
 #endif
+   v_U32_t                     gEnableDebugLog;
 } hdd_config_t;
 /*---------------------------------------------------------------------------
   Function declarations and documenation
diff --git a/CORE/HDD/src/wlan_hdd_cfg.c b/CORE/HDD/src/wlan_hdd_cfg.c
index 943d40c3a808..22e1f21fc55c 100644
--- a/CORE/HDD/src/wlan_hdd_cfg.c
+++ b/CORE/HDD/src/wlan_hdd_cfg.c
@@ -3078,6 +3078,12 @@ REG_VARIABLE( CFG_SAP_MAX_NO_PEERS, WLAN_PARAM_Integer,
               CFG_THERMAL_TEMP_MAX_LEVEL3_MIN,
               CFG_THERMAL_TEMP_MAX_LEVEL3_MAX ),
 #endif /*#ifndef QCA_WIFI_ISOC*/
+   REG_VARIABLE( CFG_ENABLE_DEBUG_CONNECT_ISSUE, WLAN_PARAM_Integer,
+              hdd_config_t, gEnableDebugLog,
+              VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
+              CFG_ENABLE_DEBUG_CONNECT_ISSUE_DEFAULT,
+              CFG_ENABLE_DEBUG_CONNECT_ISSUE_MIN ,
+              CFG_ENABLE_DEBUG_CONNECT_ISSUE_MAX),
 };
 
 /*
@@ -5054,6 +5060,7 @@ VOS_STATUS hdd_set_sme_config( hdd_context_t *pHddCtx )
    smeConfig.pnoOffload = pHddCtx->cfg_ini->PnoOffload;
 #endif
 
+   smeConfig.fEnableDebugLog = pHddCtx->cfg_ini->gEnableDebugLog;
    halStatus = sme_UpdateConfig( pHddCtx->hHal, &smeConfig);
    if ( !HAL_STATUS_SUCCESS( halStatus ) )
    {
diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index 6cfbe2a4db48..bde8b54d28ce 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -224,6 +224,8 @@ static const hdd_freq_chan_map_t freq_chan_map[] = { {2412, 1}, {2417, 2},
 /* Private ioctl to configure MCC home channels time quota and latency */
 #define WE_MCC_CONFIG_LATENCY           70
 #define WE_MCC_CONFIG_QUOTA             71
+/* Private IOCTL for debug connection issues */
+#define WE_SET_DEBUG_LOG                72
 
 /* Private ioctls and their sub-ioctls */
 #define WLAN_PRIV_SET_NONE_GET_INT    (SIOCIWFIRSTPRIV + 1)
@@ -5498,6 +5500,13 @@ static int iw_setint_getnone(struct net_device *dev, struct iw_request_info *inf
             }
             break;
         }
+       case WE_SET_DEBUG_LOG:
+       {
+           hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
+           pHddCtx->cfg_ini->gEnableDebugLog = set_value;
+           sme_UpdateConnectDebug(pHddCtx->hHal, set_value);
+           break;
+       }
 
 #endif
         default:
@@ -9725,6 +9734,10 @@ static const struct iw_priv_args we_private_args[] = {
         IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
         0, "setMccQuota" },
 
+    {   WE_SET_DEBUG_LOG,
+        IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+        0, "setDbgLvl" },
+
 #endif
 
     {   WLAN_PRIV_SET_NONE_GET_INT,