qcacld-3.0: Remove obsolete 11d scan callback mechanism

SME exposes an 802.11d scan callback mechansim that was used by a
prior generation of the driver. The current generation no longer uses
this callback, so remove it.

Change-Id: I11b7916fd8244f3ba03ec73779a8c7e61c2a06ab
CRs-Fixed: 2273914

core/hdd/src/wlan_hdd_main.c

@@ -7995,39 +7995,6 @@ void wlan_hdd_clear_netif_queue_history(struct hdd_context *hdd_ctx)
 	}
 }
 
-/**
- * hdd_11d_scan_done() - callback for 11d scan completion of flushing results
- * @mac_handle:	MAC handle
- * @context:	Pointer to the context
- * @session_id:	Session ID
- * @scan_id:	Scan ID
- * @status:	Status
- *
- * This is the callback to be executed when 11d scan is completed to flush out
- * the scan results
- *
- * 11d scan is done during driver load and is a passive scan on all
- * channels supported by the device, 11d scans may find some APs on
- * frequencies which are forbidden to be used in the regulatory domain
- * the device is operating in. If these APs are notified to the supplicant
- * it may try to connect to these APs, thus flush out all the scan results
- * which are present in SME after 11d scan is done.
- *
- * Return:  QDF_STATUS_SUCCESS
- */
-static QDF_STATUS hdd_11d_scan_done(mac_handle_t mac_handle, void *context,
-				    uint8_t session_id, uint32_t scan_id,
-				    eCsrScanStatus status)
-{
-	hdd_enter();
-
-	sme_scan_flush_result(mac_handle);
-
-	hdd_exit();
-
-	return QDF_STATUS_SUCCESS;
-}
-
 #ifdef WLAN_FEATURE_OFFLOAD_PACKETS
 /**
  * hdd_init_offloaded_packets_ctx() - Initialize offload packets context
@@ -11280,7 +11247,6 @@ int hdd_register_cb(struct hdd_context *hdd_ctx)
 	hdd_enter();
 
 	mac_handle = hdd_ctx->mac_handle;
-	sme_register11d_scan_done_callback(mac_handle, hdd_11d_scan_done);
 
 	sme_register_oem_data_rsp_callback(mac_handle,
 					   hdd_send_oem_data_rsp_msg);
@@ -11387,7 +11353,6 @@ void hdd_deregister_cb(struct hdd_context *hdd_ctx)
 		hdd_err("Failed to de-register data stall detect event callback");
 
 	sme_deregister_oem_data_rsp_callback(mac_handle);
-	sme_deregister11d_scan_done_callback(mac_handle);
 
 	hdd_exit();
 }

core/sme/inc/csr_api.h

@@ -1656,14 +1656,6 @@ struct wep_update_default_key_idx {
 	uint8_t default_idx;
 };
 
-/*
- * NOTE: p2 is the second context pass in for the caller
- * NOTE: what if callback is called before requester gets the scanId??
- */
-typedef QDF_STATUS (*csr_scan_completeCallback)(tHalHandle, void *p2,
-						uint8_t sessionId,
-						uint32_t scanID,
-						eCsrScanStatus status);
 typedef QDF_STATUS (*csr_roam_complete_cb)(void *context,
 					   struct csr_roam_info *param,
 					   uint32_t roam_id,

core/sme/inc/csr_internal.h

@@ -685,7 +685,6 @@ struct csr_scanstruct {
 	struct csr_channel occupiedChannels[CSR_ROAM_SESSION_MAX];
 	int8_t roam_candidate_count[CSR_ROAM_SESSION_MAX];
 	int8_t inScanResultBestAPRssi;
-	csr_scan_completeCallback callback11dScanDone;
 	bool fcc_constraint;
 	uint8_t max_scan_count;
 	bool defer_update_channel_list;

core/sme/inc/sme_api.h

@@ -523,9 +523,6 @@ QDF_STATUS sme_get_modify_profile_fields(tHalHandle hHal, uint8_t sessionId,
 extern QDF_STATUS sme_set_host_power_save(tHalHandle hHal, bool psMode);
 
 void sme_set_dhcp_till_power_active_flag(tHalHandle hHal, uint8_t flag);
-extern QDF_STATUS sme_register11d_scan_done_callback(tHalHandle hHal,
-		csr_scan_completeCallback);
-void sme_deregister11d_scan_done_callback(tHalHandle hHal);
 
 #ifdef FEATURE_OEM_DATA_SUPPORT
 extern QDF_STATUS sme_register_oem_data_rsp_callback(tHalHandle h_hal,

core/sme/src/common/sme_api.c

@@ -3900,49 +3900,6 @@ void sme_set_dhcp_till_power_active_flag(tHalHandle hal, uint8_t flag)
 	ps_global_info->remain_in_power_active_till_dhcp = flag;
 }
 
-/*
- * sme_register11d_scan_done_callback() -
- * Register a routine of type csr_scan_completeCallback which is
- *	called whenever an 11d scan is done
- *
- * hHal - The handle returned by mac_open.
- * callback -  11d scan complete routine to be registered
- * Return QDF_STATUS
- */
-QDF_STATUS sme_register11d_scan_done_callback(tHalHandle hHal,
-					     csr_scan_completeCallback callback)
-{
-	QDF_STATUS status = QDF_STATUS_SUCCESS;
-	tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
-
-	pMac->scan.callback11dScanDone = callback;
-
-	return status;
-}
-
-/**
- * sme_deregister11d_scan_done_callback() - De-register scandone callback
- * @h_hal: Handler return by mac_open
- *
- * This function De-registers the scandone callback  to SME
- *
- * Return: None
- */
-void sme_deregister11d_scan_done_callback(tHalHandle h_hal)
-{
-	tpAniSirGlobal pmac;
-
-	if (!h_hal) {
-		QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR,
-			  FL("hHal is not valid"));
-		return;
-	}
-
-	pmac = PMAC_STRUCT(h_hal);
-	pmac->scan.callback11dScanDone = NULL;
-}
-
-
 #ifdef FEATURE_OEM_DATA_SUPPORT
 /**
  * sme_register_oem_data_rsp_callback() - Register a routine of