qcacld-3.0: Dump blacklist bssids

Add dump to print blacklisted bssids
with reason code and source.

Bug: 163096808
Change-Id: I85734ad5aea0c8088e3f8ed2bdbb31971457942d
CRs-Fixed: 2849487
Signed-off-by: Victor Hsu <hsuvictor@google.com>

9 files changed, 126 insertions, 9 deletions

diff --git a/components/blacklist_mgr/core/inc/wlan_blm_core.h b/components/blacklist_mgr/core/inc/wlan_blm_core.h
index a89c8e5457..6dba887634 100644
--- a/components/blacklist_mgr/core/inc/wlan_blm_core.h
+++ b/components/blacklist_mgr/core/inc/wlan_blm_core.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -265,6 +265,14 @@ blm_get_bssid_reject_list(struct wlan_objmgr_pdev *pdev,
 			  enum blm_reject_ap_type reject_ap_type);
 
 /**
+ * blm_dump_blacklist_bssid - Dump blacklisted bssids
+ * @pdev: pdev object
+ *
+ * Return: None
+ */
+void blm_dump_blacklist_bssid(struct wlan_objmgr_pdev *pdev);
+
+/**
  * blm_get_rssi_blacklist_threshold() - Get rssi blacklist threshold value
  * @pdev: pdev object
  *
diff --git a/components/blacklist_mgr/core/inc/wlan_blm_main.h b/components/blacklist_mgr/core/inc/wlan_blm_main.h
index 7a290c06ec..d046eeecff 100644
--- a/components/blacklist_mgr/core/inc/wlan_blm_main.h
+++ b/components/blacklist_mgr/core/inc/wlan_blm_main.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -37,6 +37,8 @@
 		QDF_TRACE_INFO(QDF_MODULE_ID_BLACKLIST_MGR, params)
 #define blm_debug(params...)\
 		QDF_TRACE_DEBUG(QDF_MODULE_ID_BLACKLIST_MGR, params)
+#define blm_nofl_debug(params...)\
+		QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_BLACKLIST_MGR, params)
 
 /**
  * struct blm_pdev_priv_obj - Pdev priv struct to store list of blacklist mgr.
diff --git a/components/blacklist_mgr/core/src/wlan_blm_core.c b/components/blacklist_mgr/core/src/wlan_blm_core.c
index 06a0011c6f..6066a07e3a 100644
--- a/components/blacklist_mgr/core/src/wlan_blm_core.c
+++ b/components/blacklist_mgr/core/src/wlan_blm_core.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -617,6 +617,77 @@ blm_remove_lowest_delta_entry(qdf_list_t *reject_ap_list,
 	return QDF_STATUS_E_FAILURE;
 }
 
+static enum blm_reject_ap_type
+blm_get_reject_ap_type(struct blm_reject_ap *blm_entry)
+{
+	if (BLM_IS_AP_AVOIDED_BY_USERSPACE(blm_entry))
+		return USERSPACE_AVOID_TYPE;
+	if (BLM_IS_AP_BLACKLISTED_BY_USERSPACE(blm_entry))
+		return USERSPACE_BLACKLIST_TYPE;
+	if (BLM_IS_AP_AVOIDED_BY_DRIVER(blm_entry))
+		return DRIVER_AVOID_TYPE;
+	if (BLM_IS_AP_BLACKLISTED_BY_DRIVER(blm_entry))
+		return DRIVER_BLACKLIST_TYPE;
+	if (BLM_IS_AP_IN_RSSI_REJECT_LIST(blm_entry))
+		return DRIVER_RSSI_REJECT_TYPE;
+	if (BLM_IS_AP_IN_MONITOR_LIST(blm_entry))
+		return DRIVER_MONITOR_TYPE;
+
+	return REJECT_REASON_UNKNOWN;
+}
+
+void blm_dump_blacklist_bssid(struct wlan_objmgr_pdev *pdev)
+{
+	struct blm_reject_ap *blm_entry = NULL;
+	qdf_list_node_t *cur_node = NULL, *next_node = NULL;
+	struct blm_pdev_priv_obj *blm_ctx;
+	struct blm_psoc_priv_obj *blm_psoc_obj;
+	uint32_t reject_duration;
+	enum blm_reject_ap_type reject_ap_type;
+	qdf_list_t *reject_db_list;
+	QDF_STATUS status;
+
+	blm_ctx = blm_get_pdev_obj(pdev);
+	blm_psoc_obj = blm_get_psoc_obj(wlan_pdev_get_psoc(pdev));
+
+	if (!blm_ctx || !blm_psoc_obj) {
+		blm_err("blm_ctx or blm_psoc_obj is NULL");
+		return;
+	}
+
+	status = qdf_mutex_acquire(&blm_ctx->reject_ap_list_lock);
+	if (QDF_IS_STATUS_ERROR(status)) {
+		blm_err("failed to acquire reject_ap_list_lock");
+		return;
+	}
+
+	reject_db_list = &blm_ctx->reject_ap_list;
+	qdf_list_peek_front(reject_db_list, &cur_node);
+	while (cur_node) {
+		qdf_list_peek_next(reject_db_list, cur_node, &next_node);
+
+		blm_entry = qdf_container_of(cur_node, struct blm_reject_ap,
+					     node);
+
+		reject_ap_type = blm_get_reject_ap_type(blm_entry);
+
+		reject_duration = blm_get_delta_of_bssid(
+						reject_ap_type, blm_entry,
+						&blm_psoc_obj->blm_cfg);
+
+			blm_nofl_debug("BLACKLIST BSSID %pM type %d retry delay %d expected RSSI %d",
+				blm_entry->bssid.bytes,
+				reject_ap_type,
+				reject_duration,
+				blm_entry->rssi_reject_params.expected_rssi);
+
+		cur_node = next_node;
+		next_node = NULL;
+	}
+
+	qdf_mutex_release(&blm_ctx->reject_ap_list_lock);
+}
+
 static void blm_fill_reject_list(qdf_list_t *reject_db_list,
 				 struct reject_ap_config_params *reject_list,
 				 uint8_t *num_of_reject_bssid,
diff --git a/components/blacklist_mgr/dispatcher/inc/wlan_blm_api.h b/components/blacklist_mgr/dispatcher/inc/wlan_blm_api.h
index 75ba78d04e..16149a5c15 100644
--- a/components/blacklist_mgr/dispatcher/inc/wlan_blm_api.h
+++ b/components/blacklist_mgr/dispatcher/inc/wlan_blm_api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -104,6 +104,18 @@ wlan_blm_get_bssid_reject_list(struct wlan_objmgr_pdev *pdev,
 }
 
 /**
+ * wlan_blm_dump_blcklist_bssid() - dump the blacklisted BSSIDs from BLM
+ * @pdev: pdev object
+ *
+ * Return: None
+ */
+static inline void
+wlan_blm_dump_blcklist_bssid(struct wlan_objmgr_pdev *pdev)
+{
+	return blm_dump_blacklist_bssid(pdev);
+}
+
+/**
  * wlan_blm_get_rssi_blacklist_threshold() - Get the RSSI blacklist threshold
  * @pdev: pdev object
  *
diff --git a/components/blacklist_mgr/dispatcher/inc/wlan_blm_public_struct.h b/components/blacklist_mgr/dispatcher/inc/wlan_blm_public_struct.h
index 6bc2b052ae..f6b8b044e3 100644
--- a/components/blacklist_mgr/dispatcher/inc/wlan_blm_public_struct.h
+++ b/components/blacklist_mgr/dispatcher/inc/wlan_blm_public_struct.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -46,6 +46,7 @@ struct blm_rssi_disallow_params {
  * @DRIVER_BLACKLIST_TYPE: driver wants the AP to be blacklisted.
  * @DRIVER_RSSI_REJECT_TYPE: driver wants the AP to be in driver rssi reject.
  * @DRIVER_MONITOR_TYPE: driver wants the AP to be in monitor list.
+ * @REJECT_REASON_UNKNOWN: Rejection reason unknown
  */
 enum blm_reject_ap_type {
 	USERSPACE_AVOID_TYPE =     0,
@@ -53,7 +54,8 @@ enum blm_reject_ap_type {
 	DRIVER_AVOID_TYPE    =     2,
 	DRIVER_BLACKLIST_TYPE    = 3,
 	DRIVER_RSSI_REJECT_TYPE =  4,
-	DRIVER_MONITOR_TYPE =      5
+	DRIVER_MONITOR_TYPE =      5,
+	REJECT_REASON_UNKNOWN = 6,
 };
 
 /**
diff --git a/components/blacklist_mgr/dispatcher/inc/wlan_blm_ucfg_api.h b/components/blacklist_mgr/dispatcher/inc/wlan_blm_ucfg_api.h
index a6cd763531..b4c9d6118f 100644
--- a/components/blacklist_mgr/dispatcher/inc/wlan_blm_ucfg_api.h
+++ b/components/blacklist_mgr/dispatcher/inc/wlan_blm_ucfg_api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -84,6 +84,16 @@ ucfg_blm_add_userspace_black_list(struct wlan_objmgr_pdev *pdev,
 				  uint8_t num_of_bssid);
 
 /**
+ * ucfg_blm_dump_black_list_ap() - get blacklisted bssid.
+ * @pdev: pdev object
+ *
+ * This API dumps blacklist ap
+ *
+ * Return: None
+ */
+void ucfg_blm_dump_black_list_ap(struct wlan_objmgr_pdev *pdev);
+
+/**
  * ucfg_blm_update_bssid_connect_params() - Inform the BLM about connect or
  * disconnect with the current AP.
  * @pdev: pdev object
@@ -154,6 +164,10 @@ QDF_STATUS ucfg_blm_psoc_close(struct wlan_objmgr_psoc *psoc)
 }
 
 static inline
+void ucfg_blm_dump_black_list_ap(struct wlan_objmgr_pdev *pdev)
+{}
+
+static inline
 QDF_STATUS
 ucfg_blm_add_bssid_to_reject_list(struct wlan_objmgr_pdev *pdev,
 				  struct reject_ap_info *ap_info)
diff --git a/components/blacklist_mgr/dispatcher/src/wlan_blm_ucfg_api.c b/components/blacklist_mgr/dispatcher/src/wlan_blm_ucfg_api.c
index b53d5f3ddb..22cded7a44 100644
--- a/components/blacklist_mgr/dispatcher/src/wlan_blm_ucfg_api.c
+++ b/components/blacklist_mgr/dispatcher/src/wlan_blm_ucfg_api.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -133,6 +133,12 @@ ucfg_blm_add_userspace_black_list(struct wlan_objmgr_pdev *pdev,
 }
 
 void
+ucfg_blm_dump_black_list_ap(struct wlan_objmgr_pdev *pdev)
+{
+	return wlan_blm_dump_blcklist_bssid(pdev);
+}
+
+void
 ucfg_blm_update_bssid_connect_params(struct wlan_objmgr_pdev *pdev,
 				     struct qdf_mac_addr bssid,
 				     enum blm_connection_state con_state)
diff --git a/components/mlme/dispatcher/src/wlan_mlme_ucfg_api.c b/components/mlme/dispatcher/src/wlan_mlme_ucfg_api.c
index a3372078a5..91dfd10c36 100644
--- a/components/mlme/dispatcher/src/wlan_mlme_ucfg_api.c
+++ b/components/mlme/dispatcher/src/wlan_mlme_ucfg_api.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
diff --git a/core/hdd/src/wlan_hdd_cfg80211.c b/core/hdd/src/wlan_hdd_cfg80211.c
index 26e609747e..c35867e2be 100644
--- a/core/hdd/src/wlan_hdd_cfg80211.c
+++ b/core/hdd/src/wlan_hdd_cfg80211.c
@@ -19949,6 +19949,8 @@ static int __wlan_hdd_cfg80211_connect(struct wiphy *wiphy,
 	else if (bssid_hint)
 		bssid = bssid_hint;
 
+	ucfg_blm_dump_black_list_ap(hdd_ctx->pdev);
+
 	if (bssid && hdd_get_adapter_by_macaddr(hdd_ctx, (uint8_t *)bssid)) {
 		hdd_err("adapter exist with same mac address " QDF_MAC_ADDR_STR,
 			QDF_MAC_ADDR_ARRAY(bssid));