components/pkt_capture/dispatcher/src/wlan_pkt_capture_ucfg_api.c

/*
 * Copyright (c) 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
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/**
 * DOC: Public API implementation of pkt_capture called by north bound HDD/OSIF.
 */

#include "wlan_pkt_capture_objmgr.h"
#include "wlan_pkt_capture_main.h"
#include "wlan_pkt_capture_ucfg_api.h"

/**
 * ucfg_pkt_capture_init() - Packet capture component initialization.
 *
 * This function gets called when packet capture initializing.
 *
 * Return: QDF_STATUS_SUCCESS - in case of success.
 */
QDF_STATUS ucfg_pkt_capture_init(void)
{
	QDF_STATUS status;

	status = wlan_objmgr_register_vdev_create_handler(
				WLAN_UMAC_COMP_PKT_CAPTURE,
				pkt_capture_vdev_create_notification, NULL);
	if (!QDF_IS_STATUS_SUCCESS(status)) {
		pkt_capture_err("Failed to register vdev create handler");
		goto exit;
	}

	status = wlan_objmgr_register_vdev_destroy_handler(
				WLAN_UMAC_COMP_PKT_CAPTURE,
				pkt_capture_vdev_destroy_notification, NULL);
	if (QDF_IS_STATUS_SUCCESS(status)) {
		pkt_capture_debug("vdev create/del notifications registered");
		goto exit;
	}

	pkt_capture_err("Failed to register vdev delete handler");
	wlan_objmgr_unregister_vdev_create_handler(
					WLAN_UMAC_COMP_PKT_CAPTURE,
					pkt_capture_vdev_create_notification,
					NULL);
exit:
	return status;
}

/**
 * ucfg_pkt_capture_deinit() - Packet capture component de-init.
 *
 * This function gets called when packet capture de-init.
 *
 * Return: None
 */
void ucfg_pkt_capture_deinit(void)
{
	QDF_STATUS status;

	status = wlan_objmgr_unregister_vdev_create_handler(
				WLAN_UMAC_COMP_PKT_CAPTURE,
				pkt_capture_vdev_create_notification, NULL);
	if (!QDF_IS_STATUS_SUCCESS(status))
		pkt_capture_err("Failed to unregister vdev create handler");

	status = wlan_objmgr_unregister_vdev_destroy_handler(
				WLAN_UMAC_COMP_PKT_CAPTURE,
				pkt_capture_vdev_destroy_notification,
				NULL);
	if (!QDF_IS_STATUS_SUCCESS(status))
		pkt_capture_err("Failed to unregister vdev delete handler");
}