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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2021, Intel Corporation. */
#ifndef _ICE_PTP_H_
#define _ICE_PTP_H_
#include <linux/ptp_clock_kernel.h>
#include <linux/kthread.h>
#include "ice_ptp_hw.h"
/**
* struct ice_ptp - data used for integrating with CONFIG_PTP_1588_CLOCK
* @work: delayed work function for periodic tasks
* @cached_phc_time: a cached copy of the PHC time for timestamp extension
* @kworker: kwork thread for handling periodic work
* @info: structure defining PTP hardware capabilities
* @clock: pointer to registered PTP clock device
* @tstamp_config: hardware timestamping configuration
*/
struct ice_ptp {
struct kthread_delayed_work work;
u64 cached_phc_time;
struct kthread_worker *kworker;
struct ptp_clock_info info;
struct ptp_clock *clock;
struct hwtstamp_config tstamp_config;
};
#define __ptp_info_to_ptp(i) \
container_of((i), struct ice_ptp, info)
#define ptp_info_to_pf(i) \
container_of(__ptp_info_to_ptp((i)), struct ice_pf, ptp)
#define PTP_SHARED_CLK_IDX_VALID BIT(31)
#define ICE_PTP_TS_VALID BIT(0)
#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
struct ice_pf;
int ice_ptp_set_ts_config(struct ice_pf *pf, struct ifreq *ifr);
int ice_ptp_get_ts_config(struct ice_pf *pf, struct ifreq *ifr);
int ice_get_ptp_clock_index(struct ice_pf *pf);
void
ice_ptp_rx_hwtstamp(struct ice_ring *rx_ring,
union ice_32b_rx_flex_desc *rx_desc, struct sk_buff *skb);
void ice_ptp_init(struct ice_pf *pf);
void ice_ptp_release(struct ice_pf *pf);
#else /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */
static inline int ice_ptp_set_ts_config(struct ice_pf *pf, struct ifreq *ifr)
{
return -EOPNOTSUPP;
}
static inline int ice_ptp_get_ts_config(struct ice_pf *pf, struct ifreq *ifr)
{
return -EOPNOTSUPP;
}
static inline int ice_get_ptp_clock_index(struct ice_pf *pf)
{
return -1;
}
static inline void
ice_ptp_rx_hwtstamp(struct ice_ring *rx_ring,
union ice_32b_rx_flex_desc *rx_desc, struct sk_buff *skb) { }
static inline void ice_ptp_init(struct ice_pf *pf) { }
static inline void ice_ptp_release(struct ice_pf *pf) { }
#endif /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */
#endif /* _ICE_PTP_H_ */
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