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/params.h" 9 #include "en_stats.h" 10 11 struct mlx5e_ptpsq { 12 struct mlx5e_txqsq txqsq; 13 struct mlx5e_cq ts_cq; 14 u16 skb_fifo_cc; 15 u16 skb_fifo_pc; 16 struct mlx5e_skb_fifo skb_fifo; 17 struct mlx5e_ptp_cq_stats *cq_stats; 18 }; 19 20 struct mlx5e_port_ptp { 21 /* data path */ 22 struct mlx5e_ptpsq ptpsq[MLX5E_MAX_NUM_TC]; 23 struct napi_struct napi; 24 struct device *pdev; 25 struct net_device *netdev; 26 __be32 mkey_be; 27 u8 num_tc; 28 u8 lag_port; 29 30 /* data path - accessed per napi poll */ 31 struct irq_desc *irq_desc; 32 struct mlx5e_ch_stats *stats; 33 34 /* control */ 35 struct mlx5e_priv *priv; 36 struct mlx5_core_dev *mdev; 37 struct hwtstamp_config *tstamp; 38 DECLARE_BITMAP(state, MLX5E_CHANNEL_NUM_STATES); 39 int ix; 40 }; 41 42 struct mlx5e_ptp_params { 43 struct mlx5e_params params; 44 struct mlx5e_sq_param txq_sq_param; 45 }; 46 47 int mlx5e_port_ptp_open(struct mlx5e_priv *priv, struct mlx5e_params *params, 48 u8 lag_port, struct mlx5e_port_ptp **cp); 49 void mlx5e_port_ptp_close(struct mlx5e_port_ptp *c); 50 void mlx5e_ptp_activate_channel(struct mlx5e_port_ptp *c); 51 void mlx5e_ptp_deactivate_channel(struct mlx5e_port_ptp *c); 52 53 enum { 54 MLX5E_SKB_CB_CQE_HWTSTAMP = BIT(0), 55 MLX5E_SKB_CB_PORT_HWTSTAMP = BIT(1), 56 }; 57 58 void mlx5e_skb_cb_hwtstamp_handler(struct sk_buff *skb, int hwtstamp_type, 59 ktime_t hwtstamp, 60 struct mlx5e_ptp_cq_stats *cq_stats); 61 62 void mlx5e_skb_cb_hwtstamp_init(struct sk_buff *skb); 63 #endif /* __MLX5_EN_PTP_H__ */ 64