64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
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/* QLogic qede NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and /or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _QEDE_PTP_H_
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#define _QEDE_PTP_H_
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#include <linux/ptp_clock_kernel.h>
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#include <linux/net_tstamp.h>
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#include <linux/timecounter.h>
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#include "qede.h"
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void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
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void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
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int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
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void qede_ptp_disable(struct qede_dev *edev);
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int qede_ptp_enable(struct qede_dev *edev, bool init_tc);
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int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
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static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
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union eth_rx_cqe *cqe,
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struct sk_buff *skb)
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{
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/* Check if this packet was timestamped */
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if (unlikely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags) &
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(1 << PARSING_AND_ERR_FLAGS_TIMESTAMPRECORDED_SHIFT))) {
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if (likely(le16_to_cpu(cqe->fast_path_regular.pars_flags.flags)
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& (1 << PARSING_AND_ERR_FLAGS_TIMESYNCPKT_SHIFT))) {
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qede_ptp_rx_ts(edev, skb);
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} else {
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DP_INFO(edev,
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"Timestamp recorded for non PTP packets\n");
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}
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}
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}
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#endif /* _QEDE_PTP_H_ */
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