1*462b0059SMoshe Tal /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2*462b0059SMoshe Tal /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3*462b0059SMoshe Tal 4*462b0059SMoshe Tal #ifndef __MLX5E_EN_HTB_H_ 5*462b0059SMoshe Tal #define __MLX5E_EN_HTB_H_ 6*462b0059SMoshe Tal 7*462b0059SMoshe Tal #include "qos.h" 8*462b0059SMoshe Tal 9*462b0059SMoshe Tal #define MLX5E_QOS_MAX_LEAF_NODES 256 10*462b0059SMoshe Tal 11*462b0059SMoshe Tal struct mlx5e_selq; 12*462b0059SMoshe Tal struct mlx5e_htb; 13*462b0059SMoshe Tal 14*462b0059SMoshe Tal typedef int (*mlx5e_fp_htb_enumerate)(void *data, u16 qid, u32 hw_id); 15*462b0059SMoshe Tal int mlx5e_htb_enumerate_leaves(struct mlx5e_htb *htb, mlx5e_fp_htb_enumerate callback, void *data); 16*462b0059SMoshe Tal 17*462b0059SMoshe Tal int mlx5e_htb_cur_leaf_nodes(struct mlx5e_htb *htb); 18*462b0059SMoshe Tal 19*462b0059SMoshe Tal /* TX datapath API */ 20*462b0059SMoshe Tal int mlx5e_htb_get_txq_by_classid(struct mlx5e_htb *htb, u16 classid); 21*462b0059SMoshe Tal 22*462b0059SMoshe Tal /* HTB TC handlers */ 23*462b0059SMoshe Tal 24*462b0059SMoshe Tal int 25*462b0059SMoshe Tal mlx5e_htb_leaf_alloc_queue(struct mlx5e_htb *htb, u16 classid, 26*462b0059SMoshe Tal u32 parent_classid, u64 rate, u64 ceil, 27*462b0059SMoshe Tal struct netlink_ext_ack *extack); 28*462b0059SMoshe Tal int 29*462b0059SMoshe Tal mlx5e_htb_leaf_to_inner(struct mlx5e_htb *htb, u16 classid, u16 child_classid, 30*462b0059SMoshe Tal u64 rate, u64 ceil, struct netlink_ext_ack *extack); 31*462b0059SMoshe Tal int mlx5e_htb_leaf_del(struct mlx5e_htb *htb, u16 *classid, 32*462b0059SMoshe Tal struct netlink_ext_ack *extack); 33*462b0059SMoshe Tal int 34*462b0059SMoshe Tal mlx5e_htb_leaf_del_last(struct mlx5e_htb *htb, u16 classid, bool force, 35*462b0059SMoshe Tal struct netlink_ext_ack *extack); 36*462b0059SMoshe Tal int 37*462b0059SMoshe Tal mlx5e_htb_node_modify(struct mlx5e_htb *htb, u16 classid, u64 rate, u64 ceil, 38*462b0059SMoshe Tal struct netlink_ext_ack *extack); 39*462b0059SMoshe Tal struct mlx5e_htb *mlx5e_htb_alloc(void); 40*462b0059SMoshe Tal void mlx5e_htb_free(struct mlx5e_htb *htb); 41*462b0059SMoshe Tal int mlx5e_htb_init(struct mlx5e_htb *htb, struct tc_htb_qopt_offload *htb_qopt, 42*462b0059SMoshe Tal struct net_device *netdev, struct mlx5_core_dev *mdev, 43*462b0059SMoshe Tal struct mlx5e_selq *selq, struct mlx5e_priv *priv); 44*462b0059SMoshe Tal void mlx5e_htb_cleanup(struct mlx5e_htb *htb); 45*462b0059SMoshe Tal #endif 46*462b0059SMoshe Tal 47