1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h
new file mode 100644
index 000000000..a8b882309
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h
@@ -0,0 +1,263 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/* Copyright (c) 2019 Mellanox Technologies. All rights reserved */
+
+#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;
+
+static inline int mlxsw_sp_ptp_get_ts_info_noptp(struct ethtool_ts_info *info)
+{
+	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+				SOF_TIMESTAMPING_SOFTWARE;
+	info->phc_index = -1;
+	return 0;
+}
+
+#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 hwtstamp_config *config);
+
+int mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
+			       struct hwtstamp_config *config);
+
+void mlxsw_sp1_ptp_shaper_work(struct work_struct *work);
+
+int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
+			      struct 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);
+
+int mlxsw_sp_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
+				 struct mlxsw_sp_port *mlxsw_sp_port,
+				 struct sk_buff *skb,
+				 const struct mlxsw_tx_info *tx_info);
+
+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 hwtstamp_config *config);
+
+int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
+			       struct hwtstamp_config *config);
+
+int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
+			      struct ethtool_ts_info *info);
+
+int mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
+				  struct mlxsw_sp_port *mlxsw_sp_port,
+				  struct sk_buff *skb,
+				  const struct mlxsw_tx_info *tx_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;
+}
+
+static inline void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
+{
+}
+
+static inline void mlxsw_sp1_ptp_receive(struct mlxsw_sp *mlxsw_sp,
+					 struct sk_buff *skb, u16 local_port)
+{
+	mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
+}
+
+static inline void mlxsw_sp1_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
+					     struct sk_buff *skb, u16 local_port)
+{
+	dev_kfree_skb_any(skb);
+}
+
+static inline 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)
+{
+}
+
+static inline int
+mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
+			   struct hwtstamp_config *config)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
+			   struct hwtstamp_config *config)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void mlxsw_sp1_ptp_shaper_work(struct work_struct *work)
+{
+}
+
+static inline int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
+					    struct ethtool_ts_info *info)
+{
+	return mlxsw_sp_ptp_get_ts_info_noptp(info);
+}
+
+static inline int mlxsw_sp1_get_stats_count(void)
+{
+	return 0;
+}
+
+static inline void mlxsw_sp1_get_stats_strings(u8 **p)
+{
+}
+
+static inline void mlxsw_sp1_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
+				       u64 *data, int data_index)
+{
+}
+
+static inline int
+mlxsw_sp_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
+			     struct mlxsw_sp_port *mlxsw_sp_port,
+			     struct sk_buff *skb,
+			     const struct mlxsw_tx_info *tx_info)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline struct mlxsw_sp_ptp_clock *
+mlxsw_sp2_ptp_clock_init(struct mlxsw_sp *mlxsw_sp, struct device *dev)
+{
+	return NULL;
+}
+
+static inline void mlxsw_sp2_ptp_clock_fini(struct mlxsw_sp_ptp_clock *clock)
+{
+}
+
+static inline struct mlxsw_sp_ptp_state *
+mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp)
+{
+	return NULL;
+}
+
+static inline void mlxsw_sp2_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state)
+{
+}
+
+static inline void mlxsw_sp2_ptp_receive(struct mlxsw_sp *mlxsw_sp,
+					 struct sk_buff *skb, u16 local_port)
+{
+	mlxsw_sp_rx_listener_no_mark_func(skb, local_port, mlxsw_sp);
+}
+
+static inline void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp,
+					     struct sk_buff *skb, u16 local_port)
+{
+	dev_kfree_skb_any(skb);
+}
+
+static inline int
+mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
+			   struct hwtstamp_config *config)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
+			   struct hwtstamp_config *config)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
+					    struct ethtool_ts_info *info)
+{
+	return mlxsw_sp_ptp_get_ts_info_noptp(info);
+}
+
+static inline int
+mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
+			      struct mlxsw_sp_port *mlxsw_sp_port,
+			      struct sk_buff *skb,
+			      const struct mlxsw_tx_info *tx_info)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+static inline void mlxsw_sp2_ptp_shaper_work(struct work_struct *work)
+{
+}
+
+static inline int mlxsw_sp2_get_stats_count(void)
+{
+	return 0;
+}
+
+static inline void mlxsw_sp2_get_stats_strings(u8 **p)
+{
+}
+
+static inline void mlxsw_sp2_get_stats(struct mlxsw_sp_port *mlxsw_sp_port,
+				       u64 *data, int data_index)
+{
+}
+
+#endif