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2111375b85
In prevision to add new UAPI for hwtstamp we will be limited to the struct ethtool_ts_info that is currently passed in fixed binary format through the ETHTOOL_GET_TS_INFO ethtool ioctl. It would be good if new kernel code already started operating on an extensible kernel variant of that structure, similar in concept to struct kernel_hwtstamp_config vs struct hwtstamp_config. Since struct ethtool_ts_info is in include/uapi/linux/ethtool.h, here we introduce the kernel-only structure in include/linux/ethtool.h. The manual copy is then made in the function called by ETHTOOL_GET_TS_INFO. Acked-by: Shannon Nelson <shannon.nelson@amd.com> Acked-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://patch.msgid.link/20240709-feature_ptp_netnext-v17-6-b5317f50df2a@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2005-2006 Fen Systems Ltd.
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* Copyright 2006-2013 Solarflare Communications Inc.
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* Copyright 2019-2020 Xilinx Inc.
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*/
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#ifndef EFX_PTP_H
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#define EFX_PTP_H
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#include <linux/net_tstamp.h>
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#include "net_driver.h"
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struct kernel_ethtool_ts_info;
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int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel);
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void efx_ptp_defer_probe_with_channel(struct efx_nic *efx);
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struct efx_channel *efx_ptp_channel(struct efx_nic *efx);
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void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel);
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void efx_ptp_remove(struct efx_nic *efx);
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int efx_ptp_set_ts_config(struct efx_nic *efx,
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struct kernel_hwtstamp_config *config,
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struct netlink_ext_ack *extack);
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int efx_ptp_get_ts_config(struct efx_nic *efx,
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struct kernel_hwtstamp_config *config);
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void efx_ptp_get_ts_info(struct efx_nic *efx,
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struct kernel_ethtool_ts_info *ts_info);
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bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
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int efx_ptp_get_mode(struct efx_nic *efx);
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int efx_ptp_change_mode(struct efx_nic *efx, bool enable_wanted,
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unsigned int new_mode);
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int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
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void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev);
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size_t efx_ptp_describe_stats(struct efx_nic *efx, u8 *strings);
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size_t efx_ptp_update_stats(struct efx_nic *efx, u64 *stats);
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void efx_time_sync_event(struct efx_channel *channel, efx_qword_t *ev);
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void __efx_rx_skb_attach_timestamp(struct efx_channel *channel,
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struct sk_buff *skb);
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static inline void efx_rx_skb_attach_timestamp(struct efx_channel *channel,
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struct sk_buff *skb)
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{
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if (channel->sync_events_state == SYNC_EVENTS_VALID)
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__efx_rx_skb_attach_timestamp(channel, skb);
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}
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void efx_ptp_start_datapath(struct efx_nic *efx);
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void efx_ptp_stop_datapath(struct efx_nic *efx);
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bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx);
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ktime_t efx_ptp_nic_to_kernel_time(struct efx_tx_queue *tx_queue);
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#endif /* EFX_PTP_H */
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