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