drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h
Extension
.h
Size
5565 bytes
Lines
220
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _MLXSW_SPECTRUM_PTP_H
#define _MLXSW_SPECTRUM_PTP_H

#include <linux/device.h>
#include <linux/rhashtable.h>

struct mlxsw_sp;
struct mlxsw_sp_port;
struct mlxsw_sp_ptp_clock;

#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)

struct mlxsw_sp_ptp_clock *
mlxsw_sp1_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev);

void mlxsw_sp1_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock);

struct mlxsw_sp_ptp_state *mlxsw_sp1_ptp_init(struct mlxsw_sp *mlxsw_sp);

void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state);

void mlxsw_sp1_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
			   u16 local_port);

void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
			       struct sk_buff *skb, u16 local_port);

void mlxsw_sp1_ptp_got_timestamp(struct mlxsw_sp *mlxsw_sp, bool ingress,
				 u16 local_port, u8 message_type,
				 u8 domain_number, u16 sequence_id,
				 u64 timestamp);

int mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
			       struct kernel_hwtstamp_config *config);

int mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
			       struct kernel_hwtstamp_config *config,
			       struct netlink_ext_ack *extack);

void mlxsw_sp1_ptp_shaper_work(struct work_struct *work);

int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
			      struct kernel_ethtool_ts_info *info);

int mlxsw_sp1_get_stats_count(void);
void mlxsw_sp1_get_stats_strings(u8 **p);
void mlxsw_sp1_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
			 u64 *data, int data_index);

struct mlxsw_sp_ptp_clock *
mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev);

void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock);

struct mlxsw_sp_ptp_state *mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp);

void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state);

void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
			   u16 local_port);

void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
			       struct sk_buff *skb, u16 local_port);

int mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
			       struct kernel_hwtstamp_config *config);

int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
			       struct kernel_hwtstamp_config *config,
			       struct netlink_ext_ack *extack);

int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
			      struct kernel_ethtool_ts_info *info);

#else

static inline struct mlxsw_sp_ptp_clock *
mlxsw_sp1_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
{
	return NULL;
}

static inline void mlxsw_sp1_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
{
}

static inline struct mlxsw_sp_ptp_state *
mlxsw_sp1_ptp_init(struct mlxsw_sp *mlxsw_sp)
{
	return NULL;

Annotation

Implementation Notes