qcacld-3.0: Disconnect after roam fails in NUD fail case

Extend ini value to disconnect from current AP
if roam failure happens after the NUD failure.

Change-Id: Id764c97b5c1748b1d513d85d4063868a1c77141b
CRs-Fixed: 2622087

core/hdd/inc/hdd_dp_cfg.h

@@ -1251,7 +1251,7 @@
  * <ini>
  * gEnableNUDTracking - Will enable or disable NUD tracking within driver
  * @Min: 0
- * @Max: 2
+ * @Max: 3
  * @Default: 2
  *
  * This ini is used to specify the behaviour of the driver for NUD tracking.
@@ -1261,7 +1261,7 @@
  * the connected BSSID.
  * 2: Driver will track the NUD failures and if honoured will roam away from
  * the connected BSSID to a new BSSID to retain the data connectivity.
- *
+ * 3: Driver will try to roam to a new AP but if roam fails, disconnect.
  * Related: None
  *
  * Supported Feature: STA
@@ -1270,15 +1270,11 @@
  *
  * <ini>
  */
-#define CFG_DP_ROAM_AFTER_NUD_FAIL                   2
-#define CFG_DP_DISCONNECT_AFTER_NUD_FAIL             1
-#define CFG_DP_DISABLE_NUD_TRACKING                  0
-
 #define CFG_DP_ENABLE_NUD_TRACKING \
 		CFG_INI_UINT("gEnableNUDTracking", \
-		 CFG_DP_DISABLE_NUD_TRACKING, \
+		 0, \
-		 CFG_DP_ROAM_AFTER_NUD_FAIL, \
+		 3, \
-		 CFG_DP_ROAM_AFTER_NUD_FAIL, \
+		 2, \
 		 CFG_VALUE_OR_DEFAULT, "Driver NUD tracking behaviour")
 
 #define CFG_DP_ENABLE_NUD_TRACKING_ALL \

core/hdd/inc/wlan_hdd_cfg.h

@@ -204,9 +204,7 @@ struct hdd_config {
 	bool enable_dp_trace;
 	uint8_t dp_trace_config[DP_TRACE_CONFIG_STRING_LENGTH];
 #endif
-#ifdef WLAN_NUD_TRACKING
 	uint8_t enable_nud_tracking;
-#endif
 	uint32_t operating_chan_freq;
 	uint8_t num_vdevs;
 	uint8_t enable_concurrent_sta[CFG_CONCURRENT_IFACE_MAX_LEN];

core/hdd/src/wlan_hdd_cfg.c

@@ -853,7 +853,7 @@ QDF_STATUS hdd_set_sme_config(struct hdd_context *hdd_ctx)
 	 */
 	sme_config->csr_config.phyMode =
 		hdd_cfg_xlate_to_csr_phy_mode(config->dot11Mode);
-
+	sme_update_nud_config(mac_handle, config->enable_nud_tracking);
 	if (config->dot11Mode == eHDD_DOT11_MODE_abg ||
 	    config->dot11Mode == eHDD_DOT11_MODE_11b ||
 	    config->dot11Mode == eHDD_DOT11_MODE_11g ||
@@ -884,7 +884,6 @@ QDF_STATUS hdd_set_sme_config(struct hdd_context *hdd_ctx)
 						&enable_dfs_scan);
 	sme_config->csr_config.fEnableDFSChnlScan = enable_dfs_scan;
 	sme_config->csr_config.Csr11dinfo.Channels.numChannels = 0;
-
 	hdd_set_power_save_offload_config(hdd_ctx);
 
 #ifdef FEATURE_WLAN_ESE

core/hdd/src/wlan_hdd_nud_tracking.c

@@ -290,7 +290,8 @@ hdd_handle_nud_fail_non_sta(struct hdd_adapter *adapter)
 static bool
 hdd_is_roam_after_nud_enabled(struct hdd_config *config)
 {
-	if (config->enable_nud_tracking == CFG_DP_ROAM_AFTER_NUD_FAIL)
+	if (config->enable_nud_tracking == ROAM_AFTER_NUD_FAIL ||
+	    config->enable_nud_tracking == DISCONNECT_AFTER_ROAM_FAIL)
 		return true;
 
 	return false;

core/mac/inc/ani_global.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2020 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
@@ -761,6 +761,7 @@ struct mac_context {
 	struct wlan_mlme_chain_cfg fw_chain_cfg;
 	struct wlan_mlme_cfg *mlme_cfg;
 	tAniSirLim lim;
+	uint8_t nud_fail_behaviour;
 	struct sch_context sch;
 	tAniSirSys sys;
 

core/mac/inc/sir_api.h

@@ -4429,6 +4429,11 @@ struct sir_sme_ext_cng_chan_req {
 	uint8_t   vdev_id;
 };
 
+#define IGNORE_NUD_FAIL                      0
+#define DISCONNECT_AFTER_NUD_FAIL            1
+#define ROAM_AFTER_NUD_FAIL                  2
+#define DISCONNECT_AFTER_ROAM_FAIL           3
+
 /**
  * struct sir_sme_ext_change_chan_ind.
  * @session_id: session id

core/sme/inc/csr_api.h

@@ -901,6 +901,7 @@ struct csr_neighbor_report_offload_params {
 struct csr_config_params {
 	/* keep this uint32_t. This gets converted to ePhyChannelBondState */
 	uint32_t channelBondingMode24GHz;
+	uint8_t nud_fail_behaviour;
 	uint32_t channelBondingMode5GHz;
 	eCsrPhyMode phyMode;
 	uint32_t HeartbeatThresh50;

core/sme/inc/sme_api.h

@@ -412,6 +412,13 @@ void sme_cleanup_session(mac_handle_t mac_handle, uint8_t vdev_id);
 void sme_set_curr_device_mode(mac_handle_t mac_handle,
 			      enum QDF_OPMODE curr_device_mode);
 
+/**
+ * sme_update_nud_config() - update nud config
+ * @mac_handle: The handle returned by mac_open.
+ * @nud_fail_behavior: Vlaue of nud fail behaviour
+ */
+void sme_update_nud_config(mac_handle_t mac_handle, uint8_t nud_fail_behavior);
+
 QDF_STATUS sme_update_roam_params(mac_handle_t mac_handle,
 				  uint8_t session_id,
 				  struct roam_ext_params *roam_params_src,

core/sme/src/common/sme_api.c

@@ -841,6 +841,13 @@ void sme_update_fine_time_measurement_capab(mac_handle_t mac_handle,
 	}
 }
 
+void sme_update_nud_config(mac_handle_t mac_handle, uint8_t nud_fail_behavior)
+{
+	struct mac_context *mac = MAC_CONTEXT(mac_handle);
+
+	mac->nud_fail_behaviour = nud_fail_behavior;
+}
+
 /**
  * sme_update_neighbor_report_config() - Update CSR config for 11k params
  * @mac_handle: Pointer to MAC context

core/sme/src/csr/csr_api_roam.c

@@ -21167,9 +21167,10 @@ static QDF_STATUS csr_process_roam_sync_callback(struct mac_context *mac_ctx,
 				eCSR_ROAM_NAPI_OFF, eCSR_ROAM_RESULT_SUCCESS);
 		goto end;
 	case SIR_ROAMING_INVOKE_FAIL:
-		sme_debug("Roaming triggered failed source %d",
+		sme_debug("Roaming triggered failed source %d nud behaviour %d",
-			   vdev_roam_params->source);
+			   vdev_roam_params->source, mac_ctx->nud_fail_behaviour);
-		if (vdev_roam_params->source == USERSPACE_INITIATED) {
+		if (vdev_roam_params->source == USERSPACE_INITIATED ||
+		    mac_ctx->nud_fail_behaviour == DISCONNECT_AFTER_NUD_FAIL) {
 			/* Userspace roam req fail, disconnect with AP */
 			csr_roam_disconnect(mac_ctx, session_id,
 					eCSR_DISCONNECT_REASON_DEAUTH,