1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2020 Mellanox Technologies. */
4 #ifndef __MLX5_EN_PTP_H__
5 #define __MLX5_EN_PTP_H__
9 #include <linux/ptp_classify.h>
12 struct mlx5e_txqsq txqsq;
13 struct mlx5e_cq ts_cq;
16 struct mlx5e_skb_fifo skb_fifo;
17 struct mlx5e_ptp_cq_stats *cq_stats;
23 MLX5E_PTP_STATE_NUM_STATES,
28 struct mlx5e_ptpsq ptpsq[MLX5E_MAX_NUM_TC];
30 struct napi_struct napi;
32 struct net_device *netdev;
37 /* data path - accessed per napi poll */
38 struct mlx5e_ch_stats *stats;
41 struct mlx5e_priv *priv;
42 struct mlx5_core_dev *mdev;
43 struct hwtstamp_config *tstamp;
44 DECLARE_BITMAP(state, MLX5E_PTP_STATE_NUM_STATES);
47 static inline bool mlx5e_use_ptpsq(struct sk_buff *skb)
51 if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
54 if (!skb_flow_dissect_flow_keys(skb, &fk, 0))
57 if (fk.basic.n_proto == htons(ETH_P_1588))
60 if (fk.basic.n_proto != htons(ETH_P_IP) &&
61 fk.basic.n_proto != htons(ETH_P_IPV6))
64 return (fk.basic.ip_proto == IPPROTO_UDP &&
65 fk.ports.dst == htons(PTP_EV_PORT));
68 int mlx5e_ptp_open(struct mlx5e_priv *priv, struct mlx5e_params *params,
69 u8 lag_port, struct mlx5e_ptp **cp);
70 void mlx5e_ptp_close(struct mlx5e_ptp *c);
71 void mlx5e_ptp_activate_channel(struct mlx5e_ptp *c);
72 void mlx5e_ptp_deactivate_channel(struct mlx5e_ptp *c);
73 int mlx5e_ptp_get_rqn(struct mlx5e_ptp *c, u32 *rqn);
74 int mlx5e_ptp_alloc_rx_fs(struct mlx5e_priv *priv);
75 void mlx5e_ptp_free_rx_fs(struct mlx5e_priv *priv);
76 int mlx5e_ptp_rx_manage_fs(struct mlx5e_priv *priv, bool set);
79 MLX5E_SKB_CB_CQE_HWTSTAMP = BIT(0),
80 MLX5E_SKB_CB_PORT_HWTSTAMP = BIT(1),
83 void mlx5e_skb_cb_hwtstamp_handler(struct sk_buff *skb, int hwtstamp_type,
85 struct mlx5e_ptp_cq_stats *cq_stats);
87 void mlx5e_skb_cb_hwtstamp_init(struct sk_buff *skb);
88 #endif /* __MLX5_EN_PTP_H__ */