/* 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__ */