diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_ptp.h')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_ptp.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h new file mode 100644 index 0000000000..210b723f22 --- /dev/null +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h @@ -0,0 +1,163 @@ +/* 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 */ |