fs_hws.h

  1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
  2/* Copyright (c) 2025 NVIDIA Corporation & Affiliates */
  3
  4#ifndef _MLX5_FS_HWS_
  5#define _MLX5_FS_HWS_
  6
  7#include "mlx5hws.h"
  8#include "fs_hws_pools.h"
  9
 10struct mlx5_fs_hws_actions_pool {
 11	struct mlx5hws_action *tag_action;
 12	struct mlx5hws_action *pop_vlan_action;
 13	struct mlx5hws_action *push_vlan_action;
 14	struct mlx5hws_action *drop_action;
 15	struct mlx5hws_action *decapl2_action;
 16	struct mlx5hws_action *remove_hdr_vlan_action;
 17	struct mlx5_fs_pool insert_hdr_pool;
 18	struct mlx5_fs_pool dl3tnltol2_pool;
 19	struct xarray el2tol3tnl_pools;
 20	struct xarray el2tol2tnl_pools;
 21	struct xarray mh_pools;
 22	struct xarray table_dests;
 23	struct xarray vport_vhca_dests;
 24	struct xarray vport_dests;
 25	struct xarray aso_meters;
 26	struct xarray sample_dests;
 27};
 28
 29struct mlx5_fs_hws_context {
 30	struct mlx5hws_context	*hws_ctx;
 31	struct mlx5_fs_hws_actions_pool hws_pool;
 32};
 33
 34struct mlx5_fs_hws_table {
 35	struct mlx5hws_table *hws_table;
 36	bool miss_ft_set;
 37};
 38
 39struct mlx5_fs_hws_action {
 40	struct mlx5hws_action *hws_action;
 41	struct mlx5_fs_pool *fs_pool;
 42	struct mlx5_fs_hws_pr *pr_data;
 43	struct mlx5_fs_hws_mh *mh_data;
 44	u32 fw_reformat_id;
 45	/* Protect `fw_reformat_id` against being initialized from multiple
 46	 * threads.
 47	 */
 48	struct mutex lock;
 49};
 50
 51struct mlx5_fs_hws_matcher {
 52	struct mlx5hws_bwc_matcher *matcher;
 53};
 54
 55struct mlx5_fs_hws_rule_action {
 56	struct mlx5hws_action *action;
 57	union {
 58		struct mlx5_fc *counter;
 59		struct mlx5_exe_aso *exe_aso;
 60		u32 sampler_id;
 61	};
 62};
 63
 64struct mlx5_fs_hws_rule {
 65	struct mlx5hws_bwc_rule *bwc_rule;
 66	struct mlx5_fs_hws_rule_action *hws_fs_actions;
 67	int num_fs_actions;
 68};
 69
 70struct mlx5_fs_hws_data {
 71	struct mlx5hws_action *hws_action;
 72	struct mutex lock; /* protects hws_action */
 73	refcount_t hws_action_refcount;
 74};
 75
 76struct mlx5_fs_hws_create_action_ctx {
 77	enum mlx5hws_action_type actions_type;
 78	struct mlx5hws_context *hws_ctx;
 79	u32 id;
 80	union {
 81		u8 return_reg_id;
 82	};
 83};
 84
 85struct mlx5hws_action *
 86mlx5_fs_get_hws_action(struct mlx5_fs_hws_data *fs_hws_data,
 87		       struct mlx5_fs_hws_create_action_ctx *create_ctx);
 88void mlx5_fs_put_hws_action(struct mlx5_fs_hws_data *fs_hws_data);
 89
 90#ifdef CONFIG_MLX5_HW_STEERING
 91
 92int
 93mlx5_fs_hws_action_get_pkt_reformat_id(struct mlx5_pkt_reformat *pkt_reformat,
 94				       u32 *reformat_id);
 95
 96bool mlx5_fs_hws_is_supported(struct mlx5_core_dev *dev);
 97
 98const struct mlx5_flow_cmds *mlx5_fs_cmd_get_hws_cmds(void);
 99
100#else
101
102static inline int
103mlx5_fs_hws_action_get_pkt_reformat_id(struct mlx5_pkt_reformat *pkt_reformat,
104				       u32 *reformat_id)
105{
106	return -EOPNOTSUPP;
107}
108
109static inline bool mlx5_fs_hws_is_supported(struct mlx5_core_dev *dev)
110{
111	return false;
112}
113
114static inline const struct mlx5_flow_cmds *mlx5_fs_cmd_get_hws_cmds(void)
115{
116	return NULL;
117}
118
119#endif /* CONFIG_MLX5_HWS_STEERING */
120#endif