| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| /* Copyright (c) 2020 Mellanox Technologies */ |
| |
| #ifndef __MLX5E_EN_MOD_HDR_H__ |
| #define __MLX5E_EN_MOD_HDR_H__ |
| |
| #include <linux/hashtable.h> |
| #include <linux/mlx5/fs.h> |
| |
| #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) |
| |
| struct mlx5e_mod_hdr_handle; |
| |
| struct mlx5e_tc_mod_hdr_acts { |
| int num_actions; |
| int max_actions; |
| bool is_static; |
| void *actions; |
| }; |
| |
| #define DECLARE_MOD_HDR_ACTS_ACTIONS(name, len) \ |
| u8 name[len][MLX5_MH_ACT_SZ] = {} |
| |
| #define DECLARE_MOD_HDR_ACTS(name, acts_arr) \ |
| struct mlx5e_tc_mod_hdr_acts name = { \ |
| .max_actions = ARRAY_SIZE(acts_arr), \ |
| .is_static = true, \ |
| .actions = acts_arr, \ |
| } |
| |
| char *mlx5e_mod_hdr_alloc(struct mlx5_core_dev *mdev, int namespace, |
| struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts); |
| void mlx5e_mod_hdr_dealloc(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts); |
| char *mlx5e_mod_hdr_get_item(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, int pos); |
| |
| struct mlx5e_mod_hdr_handle * |
| mlx5e_mod_hdr_attach(struct mlx5_core_dev *mdev, |
| struct mod_hdr_tbl *tbl, |
| enum mlx5_flow_namespace_type namespace, |
| struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts); |
| void mlx5e_mod_hdr_detach(struct mlx5_core_dev *mdev, |
| struct mod_hdr_tbl *tbl, |
| struct mlx5e_mod_hdr_handle *mh); |
| struct mlx5_modify_hdr *mlx5e_mod_hdr_get(struct mlx5e_mod_hdr_handle *mh); |
| |
| void mlx5e_mod_hdr_tbl_init(struct mod_hdr_tbl *tbl); |
| void mlx5e_mod_hdr_tbl_destroy(struct mod_hdr_tbl *tbl); |
| |
| static inline int mlx5e_mod_hdr_max_actions(struct mlx5_core_dev *mdev, int namespace) |
| { |
| if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ |
| return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); |
| else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ |
| return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); |
| } |
| |
| #endif /* __MLX5E_EN_MOD_HDR_H__ */ |