qcacld-3.0: Add support for bcast deauth in sap mode

Currently, only broadcast disassociate is supported and deauth is
send in a unicast manner.
For enabling broadcast deauth support, bypass the unicast deauth
and directly send broadcast disassociate.

Change-Id: Ie196bc955b5b9a9f48a474e5f109b2a6c73fa208
CRs-Fixed: 2420980

components/mlme/core/src/wlan_mlme_main.c

@@ -1200,6 +1200,8 @@ static void mlme_init_sap_cfg(struct wlan_objmgr_psoc *psoc,
 	sap_cfg->go_11ac_override =
 		cfg_get(psoc, CFG_GO_11AC_OVERRIDE);
 	sap_cfg->sap_sae_enabled = is_sae_sap_enabled(psoc);
+	sap_cfg->is_sap_bcast_deauth_enabled =
+		cfg_get(psoc, CFG_IS_SAP_BCAST_DEAUTH_ENABLED);
 }
 
 static void mlme_init_obss_ht40_cfg(struct wlan_objmgr_psoc *psoc,

components/mlme/dispatcher/inc/cfg_mlme_sap.h

@@ -687,6 +687,30 @@
 				1, \
 				"Override bw to 11ac for P2P GO")
 
+/*
+ *
+ * <ini>
+ * enable_bcast_deauth_for_sap - Enable/Disable broadcast deauth support
+ *                                                     in driver for SAP
+ * @Min: 0
+ * @Max: 1
+ * @Default: 0
+ *
+ * This ini is used to enable/disable broadcast deauth support in driver
+ * for sap mode.
+ *
+ * Related: None
+ *
+ * Supported Feature: SAP
+ * Usage: External
+ *
+ * </ini>
+ */
+#define CFG_IS_SAP_BCAST_DEAUTH_ENABLED CFG_INI_BOOL( \
+				"enable_bcast_deauth_for_sap", \
+				0, \
+				"Enable/Disable bcast deauth for SAP")
+
 #ifdef WLAN_FEATURE_SAE
 /*
  *
@@ -750,6 +774,7 @@
 	CFG(CFG_SAP_FORCE_11N_FOR_11AC) \
 	CFG(CFG_SAP_11AC_OVERRIDE) \
 	CFG(CFG_GO_FORCE_11N_FOR_11AC) \
-	CFG(CFG_GO_11AC_OVERRIDE)
+	CFG(CFG_GO_11AC_OVERRIDE) \
+	CFG(CFG_IS_SAP_BCAST_DEAUTH_ENABLED)
 
 #endif /* __CFG_MLME_SAP_H */

components/mlme/dispatcher/inc/wlan_mlme_api.h

@@ -533,6 +533,18 @@ QDF_STATUS wlan_mlme_set_rmc_action_period_freq(struct wlan_objmgr_psoc *psoc,
 QDF_STATUS wlan_mlme_get_sap_get_peer_info(struct wlan_objmgr_psoc *psoc,
 					   bool *value);
 
+/**
+ * wlan_mlme_is_sap_bcast_deauth_enabled() - get the enable/disable value
+ *                                           for broadcast deauth in sap
+ * @psoc: pointer to psoc object
+ * @value: Value that needs to get from the caller
+ *
+ * Return: QDF Status
+ */
+QDF_STATUS
+wlan_mlme_is_sap_bcast_deauth_enabled(struct wlan_objmgr_psoc *psoc,
+				      bool *value);
+
 /**
  * wlan_mlme_get_sap_allow_all_channels() - get the value of sap allow all
  * channels

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -581,6 +581,8 @@ struct wlan_mlme_wps_params {
  * @sap_mcc_chnl_avoid: SAP MCC channel avoidance flag
  * @sap_11ac_override: Overrirde SAP bandwidth to 11ac
  * @go_11ac_override: Override GO bandwidth to 11ac
+ * @sap_sae_enabled: enable sae in sap mode
+ * @is_sap_bcast_deauth_enabled: enable bcast deauth for sap
  */
 struct wlan_mlme_cfg_sap {
 	uint8_t cfg_ssid[WLAN_SSID_MAX_LEN];
@@ -617,6 +619,7 @@ struct wlan_mlme_cfg_sap {
 	bool sap_11ac_override;
 	bool go_11ac_override;
 	bool sap_sae_enabled;
+	bool is_sap_bcast_deauth_enabled;
 };
 
 /**

components/mlme/dispatcher/inc/wlan_mlme_ucfg_api.h

@@ -1397,6 +1397,23 @@ QDF_STATUS ucfg_mlme_get_sap_get_peer_info(struct wlan_objmgr_psoc *psoc,
 	return wlan_mlme_get_sap_get_peer_info(psoc, value);
 }
 
+/**
+ * ucfg_mlme_is_sap_bcast_deauth_enabled() - get the sap bcast deauth
+ *                                           enabled value
+ * @psoc: pointer to psoc object
+ * @value: Value that needs to be get from the caller
+ *
+ * Inline UCFG API to be used by HDD/OSIF callers
+ *
+ * Return: QDF Status
+ */
+static inline QDF_STATUS
+ucfg_mlme_is_sap_bcast_deauth_enabled(struct wlan_objmgr_psoc *psoc,
+				      bool *value)
+{
+	return wlan_mlme_is_sap_bcast_deauth_enabled(psoc, value);
+}
+
 /**
  * ucfg_mlme_get_sap_allow_all_channels() - get the sap allow all channels
  * @psoc: pointer to psoc object

components/mlme/dispatcher/src/wlan_mlme_api.c

@@ -1609,6 +1609,21 @@ QDF_STATUS wlan_mlme_get_sap_get_peer_info(struct wlan_objmgr_psoc *psoc,
 	return QDF_STATUS_SUCCESS;
 }
 
+QDF_STATUS
+wlan_mlme_is_sap_bcast_deauth_enabled(struct wlan_objmgr_psoc *psoc,
+				      bool *value)
+{
+	struct wlan_mlme_psoc_obj *mlme_obj;
+
+	mlme_obj = mlme_get_psoc_obj(psoc);
+	if (!mlme_obj)
+		return QDF_STATUS_E_FAILURE;
+
+	*value = mlme_obj->cfg.sap_cfg.is_sap_bcast_deauth_enabled;
+
+	return QDF_STATUS_SUCCESS;
+}
+
 QDF_STATUS wlan_mlme_get_sap_allow_all_channels(struct wlan_objmgr_psoc *psoc,
 						bool *value)
 {

core/hdd/src/wlan_hdd_cfg80211.c

@@ -19428,6 +19428,17 @@ int __wlan_hdd_cfg80211_del_station(struct wiphy *wiphy,
 		if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *) mac)) {
 			uint16_t i;
 
+			bool is_sap_bcast_deauth_enabled = false;
+
+			ucfg_mlme_is_sap_bcast_deauth_enabled(
+					hdd_ctx->psoc,
+					&is_sap_bcast_deauth_enabled);
+			hdd_debug("is_sap_bcast_deauth_enabled %d",
+				  is_sap_bcast_deauth_enabled);
+
+			if (is_sap_bcast_deauth_enabled)
+				goto fn_end;
+
 			for (i = 0; i < WLAN_MAX_STA_COUNT; i++) {
 				if ((adapter->sta_info[i].in_use) &&
 				    (!adapter->sta_info[i].
@@ -19486,8 +19497,8 @@ int __wlan_hdd_cfg80211_del_station(struct wiphy *wiphy,
 
 			adapter->sta_info[sta_id].is_deauth_in_progress = true;
 
-			hdd_debug("Delete STA with MAC::" MAC_ADDRESS_STR,
+			hdd_debug("ucast, Delete STA with MAC:" MAC_ADDRESS_STR,
-			       MAC_ADDR_ARRAY(mac));
+				  MAC_ADDR_ARRAY(mac));
 
 			/* Case: SAP in ACS selected DFS ch and client connected
 			 * Now Radar detected. Then if random channel is another