/*! \file ngknet_ptp.h
 *
 * Definitions and APIs declaration for PTP.
 *
 */
/*
 * $Copyright: Copyright 2018-2020 Broadcom. All rights reserved.
 * The term 'Broadcom' refers to Broadcom Inc. and/or its subsidiaries.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * version 2 as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * A copy of the GNU General Public License version 2 (GPLv2) can
 * be found in the LICENSES folder.$
 */

#ifndef NGKNET_PTP_H
#define NGKNET_PTP_H

#include <linux/skbuff.h>
#include "ngknet_main.h"

/*!
 * \brief PTP Rx config set.
 *
 * \param [in] ndev Network device structure point.
 * \param [in] filter Rx filter.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_rx_config_set(struct net_device *ndev, int *filter);

/*!
 * \brief PTP Tx config set.
 *
 * \param [in] ndev Network device structure point.
 * \param [in] type Tx type.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_tx_config_set(struct net_device *ndev, int type);

/*!
 * \brief PTP Rx HW timestamping get.
 *
 * \param [in] ndev Network device structure point.
 * \param [in] skb Rx packet SKB.
 * \param [out] ts Timestamp value.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_rx_hwts_get(struct net_device *ndev, struct sk_buff *skb, uint64_t *ts);

/*!
 * \brief PTP Tx HW timestamping get.
 *
 * \param [in] ndev Network device structure point.
 * \param [in] skb Tx packet SKB.
 * \param [out] ts Timestamp value.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_tx_hwts_get(struct net_device *ndev, struct sk_buff *skb, uint64_t *ts);

/*!
 * \brief PTP Tx meta set.
 *
 * \param [in] ndev Network device structure point.
 * \param [in] skb Tx packet SKB.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_tx_meta_set(struct net_device *ndev, struct sk_buff *skb);

/*!
 * \brief PTP PHC index get.
 *
 * \param [in] ndev Network device structure point.
 * \param [out] index PHC index.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_phc_index_get(struct net_device *ndev, int *index);

/*!
 * \brief PTP device control.
 *
 * \param [in] dev NGKNET device structure point.
 * \param [in] cmd Command.
 * \param [in] data Data buffer.
 * \param [in] len Data length.
 *
 * \retval SHR_E_NONE No errors.
 */
extern int
ngknet_ptp_dev_ctrl(struct ngknet_dev *dev, int cmd, char *data, int len);

#endif /* NGKNET_PTP_H */