1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */ 3 4 #ifndef __MLX5E_EN_QOS_H 5 #define __MLX5E_EN_QOS_H 6 7 #include <linux/mlx5/driver.h> 8 9 #define BYTES_IN_MBIT 125000 10 11 struct mlx5e_priv; 12 struct mlx5e_htb; 13 struct mlx5e_channels; 14 struct mlx5e_channel; 15 struct tc_htb_qopt_offload; 16 17 int mlx5e_qos_bytes_rate_check(struct mlx5_core_dev *mdev, u64 nbytes); 18 int mlx5e_qos_max_leaf_nodes(struct mlx5_core_dev *mdev); 19 20 /* SQ lifecycle */ 21 int mlx5e_open_qos_sq(struct mlx5e_priv *priv, struct mlx5e_channels *chs, 22 u16 node_qid, u32 hw_id); 23 int mlx5e_activate_qos_sq(void *data, u16 node_qid, u32 hw_id); 24 void mlx5e_deactivate_qos_sq(struct mlx5e_priv *priv, u16 qid); 25 void mlx5e_close_qos_sq(struct mlx5e_priv *priv, u16 qid); 26 void mlx5e_reactivate_qos_sq(struct mlx5e_priv *priv, u16 qid, struct netdev_queue *txq); 27 void mlx5e_reset_qdisc(struct net_device *dev, u16 qid); 28 29 int mlx5e_qos_open_queues(struct mlx5e_priv *priv, struct mlx5e_channels *chs); 30 void mlx5e_qos_activate_queues(struct mlx5e_priv *priv); 31 void mlx5e_qos_deactivate_queues(struct mlx5e_channel *c); 32 void mlx5e_qos_deactivate_all_queues(struct mlx5e_channels *chs); 33 void mlx5e_qos_close_queues(struct mlx5e_channel *c); 34 void mlx5e_qos_close_all_queues(struct mlx5e_channels *chs); 35 int mlx5e_qos_alloc_queues(struct mlx5e_priv *priv, struct mlx5e_channels *chs); 36 37 /* TX datapath API */ 38 u16 mlx5e_qid_from_qos(struct mlx5e_channels *chs, u16 qid); 39 40 /* HTB API */ 41 int mlx5e_htb_setup_tc(struct mlx5e_priv *priv, struct tc_htb_qopt_offload *htb); 42 43 /* MQPRIO TX rate limit */ 44 struct mlx5e_mqprio_rl; 45 struct mlx5e_mqprio_rl *mlx5e_mqprio_rl_alloc(void); 46 void mlx5e_mqprio_rl_free(struct mlx5e_mqprio_rl *rl); 47 int mlx5e_mqprio_rl_init(struct mlx5e_mqprio_rl *rl, struct mlx5_core_dev *mdev, u8 num_tc, 48 u64 max_rate[]); 49 void mlx5e_mqprio_rl_cleanup(struct mlx5e_mqprio_rl *rl); 50 int mlx5e_mqprio_rl_get_node_hw_id(struct mlx5e_mqprio_rl *rl, int tc, u32 *hw_id); 51 #endif 52