qcacld-3.0: Update to change CSA count

Add variables and APIs in SAP and SME to change CSA count
for SAP / GO.
Currently the default CSA count is 10, this API allows
to reduce the CSA count if required as per the requirements

Change-Id: I17c101cd0c809f49d57d2aaf87fc37d90b92ea1f
CRs-Fixed: 3431384

components/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h

@@ -1863,6 +1863,8 @@ typedef void (*policy_mgr_nss_update_cback)(struct wlan_objmgr_psoc *psoc,
  * @sme_change_mcc_beacon_interval: Set MCC beacon interval to FW
  * @sme_rso_start_cb: Enable roaming offload callback
  * @sme_rso_stop_cb: Disable roaming offload callback
+ * @sme_change_sap_csa_count: Change CSA count for SAP/GO, only one
+ *			      time, needs to set again if used once.
  */
 struct policy_mgr_sme_cbacks {
 	void (*sme_get_nss_for_vdev)(enum QDF_OPMODE,
@@ -1883,6 +1885,7 @@ struct policy_mgr_sme_cbacks {
 	QDF_STATUS (*sme_rso_stop_cb)(
 		mac_handle_t mac_handle, uint8_t vdev_id,
 		uint8_t reason, enum wlan_cm_rso_control_requestor requestor);
+	QDF_STATUS (*sme_change_sap_csa_count)(uint8_t count);
 };
 
 /**

components/cmn_services/policy_mgr/src/wlan_policy_mgr_init_deinit.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. 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
@@ -738,6 +738,8 @@ QDF_STATUS policy_mgr_register_sme_cb(struct wlan_objmgr_psoc *psoc,
 		sme_cbacks->sme_rso_start_cb;
 	pm_ctx->sme_cbacks.sme_rso_stop_cb =
 		sme_cbacks->sme_rso_stop_cb;
+	pm_ctx->sme_cbacks.sme_change_sap_csa_count =
+		sme_cbacks->sme_change_sap_csa_count;
 
 	return QDF_STATUS_SUCCESS;
 }

core/sap/inc/sap_api.h

@@ -698,6 +698,7 @@ typedef struct tagSapStruct {
 #endif /* FEATURE_AP_MCC_CH_AVOIDANCE */
 	bool acs_with_more_param;
 	bool enable_dfs_phy_error_logs;
+	uint8_t one_time_csa_count;
 #ifdef DCS_INTERFERENCE_DETECTION
 	struct sap_dcs_info dcs_info;
 #endif

core/sme/inc/sme_api.h

@@ -864,6 +864,16 @@ QDF_STATUS sme_deregister_mgmt_frame(mac_handle_t mac_handle,
 				     uint8_t sessionId,
 				     uint16_t frameType, uint8_t *matchData,
 				     uint16_t matchLen);
+/**
+ * sme_change_sap_csa_count() - Set CSA count
+ * @count: CSA count to be set
+ *
+ * Routine sets CSA count in CSA IE when channel switch
+ * is triggered
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS sme_change_sap_csa_count(uint8_t count);
 #ifdef WLAN_FEATURE_EXTWOW_SUPPORT
 QDF_STATUS sme_configure_ext_wow(mac_handle_t mac_handle,
 		tpSirExtWoWParams wlanExtParams,

core/sme/src/common/sme_api.c

@@ -1206,6 +1206,7 @@ QDF_STATUS sme_start(mac_handle_t mac_handle)
 			sme_change_mcc_beacon_interval;
 		sme_cbacks.sme_rso_start_cb = sme_start_roaming;
 		sme_cbacks.sme_rso_stop_cb = sme_stop_roaming;
+		sme_cbacks.sme_change_sap_csa_count = sme_change_sap_csa_count;
 		status = policy_mgr_register_sme_cb(mac->psoc, &sme_cbacks);
 		if (!QDF_IS_STATUS_SUCCESS(status)) {
 			sme_err("Failed to register sme cb with Policy Manager: %d",
@@ -4982,6 +4983,19 @@ QDF_STATUS sme_change_mcc_beacon_interval(uint8_t sessionId)
 	return status;
 }
 
+QDF_STATUS sme_change_sap_csa_count(uint8_t count)
+{
+	struct mac_context *mac_ctx = sme_get_mac_context();
+
+	if (!mac_ctx) {
+		sme_err("mac_ctx is NULL");
+		return QDF_STATUS_E_FAILURE;
+	}
+	mac_ctx->sap.one_time_csa_count = count;
+
+	return QDF_STATUS_SUCCESS;
+}
+
 /**
  * sme_set_host_offload(): API to set the host offload feature.
  * @mac_handle: The handle returned by mac_open.

core/sme/src/csr/csr_api_roam.c

@@ -7176,6 +7176,10 @@ QDF_STATUS csr_roam_send_chan_sw_ie_request(struct mac_context *mac_ctx,
 	msg->csaIeRequired = csa_ie_reqd;
 	msg->ch_switch_beacon_cnt =
 		 mac_ctx->sap.SapDfsInfo.sap_ch_switch_beacon_cnt;
+	if (mac_ctx->sap.one_time_csa_count) {
+		msg->ch_switch_beacon_cnt = mac_ctx->sap.one_time_csa_count;
+		mac_ctx->sap.one_time_csa_count = 0;
+	}
 	msg->ch_switch_mode = mac_ctx->sap.SapDfsInfo.sap_ch_switch_mode;
 	msg->dfs_ch_switch_disable =
 		mac_ctx->sap.SapDfsInfo.disable_dfs_ch_switch;