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 MLX5E_QOS_MAX_LEAF_NODES 256 10 11 struct mlx5e_priv; 12 struct mlx5e_channels; 13 struct mlx5e_channel; 14 15 int mlx5e_qos_bytes_rate_check(struct mlx5_core_dev *mdev, u64 nbytes); 16 int mlx5e_qos_max_leaf_nodes(struct mlx5_core_dev *mdev); 17 int mlx5e_qos_cur_leaf_nodes(struct mlx5e_priv *priv); 18 19 /* TX datapath API */ 20 int mlx5e_get_txq_by_classid(struct mlx5e_priv *priv, u16 classid); 21 struct mlx5e_txqsq *mlx5e_get_sq(struct mlx5e_priv *priv, int qid); 22 23 /* SQ lifecycle */ 24 int mlx5e_qos_open_queues(struct mlx5e_priv *priv, struct mlx5e_channels *chs); 25 void mlx5e_qos_activate_queues(struct mlx5e_priv *priv); 26 void mlx5e_qos_deactivate_queues(struct mlx5e_channel *c); 27 void mlx5e_qos_close_queues(struct mlx5e_channel *c); 28 29 /* HTB API */ 30 int mlx5e_htb_root_add(struct mlx5e_priv *priv, u16 htb_maj_id, u16 htb_defcls, 31 struct netlink_ext_ack *extack); 32 int mlx5e_htb_root_del(struct mlx5e_priv *priv); 33 int mlx5e_htb_leaf_alloc_queue(struct mlx5e_priv *priv, u16 classid, 34 u32 parent_classid, u64 rate, u64 ceil, 35 struct netlink_ext_ack *extack); 36 int mlx5e_htb_leaf_to_inner(struct mlx5e_priv *priv, u16 classid, u16 child_classid, 37 u64 rate, u64 ceil, struct netlink_ext_ack *extack); 38 int mlx5e_htb_leaf_del(struct mlx5e_priv *priv, u16 *classid, 39 struct netlink_ext_ack *extack); 40 int mlx5e_htb_leaf_del_last(struct mlx5e_priv *priv, u16 classid, bool force, 41 struct netlink_ext_ack *extack); 42 int mlx5e_htb_node_modify(struct mlx5e_priv *priv, u16 classid, u64 rate, u64 ceil, 43 struct netlink_ext_ack *extack); 44 45 /* MQPRIO TX rate limit */ 46 struct mlx5e_mqprio_rl; 47 struct mlx5e_mqprio_rl *mlx5e_mqprio_rl_alloc(void); 48 void mlx5e_mqprio_rl_free(struct mlx5e_mqprio_rl *rl); 49 int mlx5e_mqprio_rl_init(struct mlx5e_mqprio_rl *rl, struct mlx5_core_dev *mdev, u8 num_tc, 50 u64 max_rate[]); 51 void mlx5e_mqprio_rl_cleanup(struct mlx5e_mqprio_rl *rl); 52 int mlx5e_mqprio_rl_get_node_hw_id(struct mlx5e_mqprio_rl *rl, int tc, u32 *hw_id); 53 #endif 54