1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2020 Mellanox Technologies. */ 3 4 #ifndef __MLX5_EN_PTP_H__ 5 #define __MLX5_EN_PTP_H__ 6 7 #include "en.h" 8 #include "en_stats.h" 9 10 struct mlx5e_ptpsq { 11 struct mlx5e_txqsq txqsq; 12 struct mlx5e_cq ts_cq; 13 u16 skb_fifo_cc; 14 u16 skb_fifo_pc; 15 struct mlx5e_skb_fifo skb_fifo; 16 struct mlx5e_ptp_cq_stats *cq_stats; 17 }; 18 19 enum { 20 MLX5E_PTP_STATE_TX, 21 MLX5E_PTP_STATE_RX, 22 MLX5E_PTP_STATE_NUM_STATES, 23 }; 24 25 struct mlx5e_ptp { 26 /* data path */ 27 struct mlx5e_ptpsq ptpsq[MLX5E_MAX_NUM_TC]; 28 struct mlx5e_rq rq; 29 struct napi_struct napi; 30 struct device *pdev; 31 struct net_device *netdev; 32 __be32 mkey_be; 33 u8 num_tc; 34 u8 lag_port; 35 36 /* data path - accessed per napi poll */ 37 struct mlx5e_ch_stats *stats; 38 39 /* control */ 40 struct mlx5e_priv *priv; 41 struct mlx5_core_dev *mdev; 42 struct hwtstamp_config *tstamp; 43 DECLARE_BITMAP(state, MLX5E_PTP_STATE_NUM_STATES); 44 }; 45 46 int mlx5e_ptp_open(struct mlx5e_priv *priv, struct mlx5e_params *params, 47 u8 lag_port, struct mlx5e_ptp **cp); 48 void mlx5e_ptp_close(struct mlx5e_ptp *c); 49 void mlx5e_ptp_activate_channel(struct mlx5e_ptp *c); 50 void mlx5e_ptp_deactivate_channel(struct mlx5e_ptp *c); 51 int mlx5e_ptp_get_rqn(struct mlx5e_ptp *c, u32 *rqn); 52 int mlx5e_ptp_alloc_rx_fs(struct mlx5e_priv *priv); 53 void mlx5e_ptp_free_rx_fs(struct mlx5e_priv *priv); 54 int mlx5e_ptp_rx_manage_fs(struct mlx5e_priv *priv, bool set); 55 56 enum { 57 MLX5E_SKB_CB_CQE_HWTSTAMP = BIT(0), 58 MLX5E_SKB_CB_PORT_HWTSTAMP = BIT(1), 59 }; 60 61 void mlx5e_skb_cb_hwtstamp_handler(struct sk_buff *skb, int hwtstamp_type, 62 ktime_t hwtstamp, 63 struct mlx5e_ptp_cq_stats *cq_stats); 64 65 void mlx5e_skb_cb_hwtstamp_init(struct sk_buff *skb); 66 #endif /* __MLX5_EN_PTP_H__ */ 67