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