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/* SPDX-License-Identifier: GPL-2.0-only */
/* Atlantic Network Driver
*
* Copyright (C) 2014-2019 aQuantia Corporation
* Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File aq_ptp.h: Declaration of PTP functions.
*/
#ifndef AQ_PTP_H
#define AQ_PTP_H
#include <linux/net_tstamp.h>
#include "aq_ring.h"
#define PTP_8TC_RING_IDX 8
#define PTP_4TC_RING_IDX 16
#define PTP_HWST_RING_IDX 31
/* Index must to be 8 (8 TCs) or 16 (4 TCs).
* It depends from Traffic Class mode.
*/
static inline unsigned int aq_ptp_ring_idx(const enum aq_tc_mode tc_mode)
{
if (tc_mode == AQ_TC_MODE_8TCS)
return PTP_8TC_RING_IDX;
return PTP_4TC_RING_IDX;
}
#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
/* Common functions */
int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec);
void aq_ptp_unregister(struct aq_nic_s *aq_nic);
void aq_ptp_free(struct aq_nic_s *aq_nic);
int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic);
void aq_ptp_irq_free(struct aq_nic_s *aq_nic);
int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic);
void aq_ptp_ring_free(struct aq_nic_s *aq_nic);
int aq_ptp_ring_init(struct aq_nic_s *aq_nic);
int aq_ptp_ring_start(struct aq_nic_s *aq_nic);
void aq_ptp_ring_stop(struct aq_nic_s *aq_nic);
void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic);
void aq_ptp_service_task(struct aq_nic_s *aq_nic);
void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic, unsigned int mbps);
void aq_ptp_clock_init(struct aq_nic_s *aq_nic);
/* Traffic processing functions */
int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb);
void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp);
/* Must be to check available of PTP before call */
void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
struct hwtstamp_config *config);
int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
struct hwtstamp_config *config);
/* Return either ring is belong to PTP or not*/
bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring);
u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct skb_shared_hwtstamps *shhwtstamps, u8 *p,
unsigned int len);
struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp);
int aq_ptp_link_change(struct aq_nic_s *aq_nic);
/* PTP ring statistics */
int aq_ptp_get_ring_cnt(struct aq_nic_s *aq_nic, const enum atl_ring_type ring_type);
u64 *aq_ptp_get_stats(struct aq_nic_s *aq_nic, u64 *data);
#else
static inline int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec)
{
return 0;
}
static inline void aq_ptp_unregister(struct aq_nic_s *aq_nic) {}
static inline void aq_ptp_free(struct aq_nic_s *aq_nic)
{
}
static inline int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic)
{
return 0;
}
static inline void aq_ptp_irq_free(struct aq_nic_s *aq_nic)
{
}
static inline int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic)
{
return 0;
}
static inline void aq_ptp_ring_free(struct aq_nic_s *aq_nic) {}
static inline int aq_ptp_ring_init(struct aq_nic_s *aq_nic)
{
return 0;
}
static inline int aq_ptp_ring_start(struct aq_nic_s *aq_nic)
{
return 0;
}
static inline void aq_ptp_ring_stop(struct aq_nic_s *aq_nic) {}
static inline void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic) {}
static inline void aq_ptp_service_task(struct aq_nic_s *aq_nic) {}
static inline void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic,
unsigned int mbps) {}
static inline void aq_ptp_clock_init(struct aq_nic_s *aq_nic) {}
static inline int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb)
{
return -EOPNOTSUPP;
}
static inline void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp) {}
static inline void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
struct hwtstamp_config *config) {}
static inline int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
struct hwtstamp_config *config)
{
return 0;
}
static inline bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring)
{
return false;
}
static inline u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic,
struct skb_shared_hwtstamps *shhwtstamps, u8 *p,
unsigned int len)
{
return 0;
}
static inline struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp)
{
return NULL;
}
static inline int aq_ptp_link_change(struct aq_nic_s *aq_nic)
{
return 0;
}
#endif
#endif /* AQ_PTP_H */
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