[deliverable/linux.git] / include / linux / mlx5 / fs.h

/*
 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _MLX5_FS_
#define _MLX5_FS_

#include <linux/mlx5/driver.h>
#include <linux/mlx5/mlx5_ifc.h>

#define MLX5_FS_DEFAULT_FLOW_TAG 0x0

enum {
	MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO	= 1 << 16,
};

#define LEFTOVERS_RULE_NUM	 2
static inline void build_leftovers_ft_param(int *priority,
					    int *n_ent,
					    int *n_grp)
{
	*priority = 0; /* Priority of leftovers_prio-0 */
	*n_ent = LEFTOVERS_RULE_NUM;
	*n_grp = LEFTOVERS_RULE_NUM;
}

enum mlx5_flow_namespace_type {
	MLX5_FLOW_NAMESPACE_BYPASS,
	MLX5_FLOW_NAMESPACE_KERNEL,
	MLX5_FLOW_NAMESPACE_LEFTOVERS,
	MLX5_FLOW_NAMESPACE_ANCHOR,
	MLX5_FLOW_NAMESPACE_FDB,
};

struct mlx5_flow_table;
struct mlx5_flow_group;
struct mlx5_flow_rule;
struct mlx5_flow_namespace;

struct mlx5_flow_destination {
	enum mlx5_flow_destination_type	type;
	union {
		u32			tir_num;
		struct mlx5_flow_table	*ft;
		u32			vport_num;
	};
};

struct mlx5_flow_namespace *
mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
			enum mlx5_flow_namespace_type type);

struct mlx5_flow_table *
mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
				    int prio,
				    int num_flow_table_entries,
				    int max_num_groups);

struct mlx5_flow_table *
mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
		       int prio,
		       int num_flow_table_entries);
int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);

/* inbox should be set with the following values:
 * start_flow_index
 * end_flow_index
 * match_criteria_enable
 * match_criteria
 */
struct mlx5_flow_group *
mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);

/* Single destination per rule.
 * Group ID is implied by the match criteria.
 */
struct mlx5_flow_rule *
mlx5_add_flow_rule(struct mlx5_flow_table *ft,
		   u8 match_criteria_enable,
		   u32 *match_criteria,
		   u32 *match_value,
		   u32 action,
		   u32 flow_tag,
		   struct mlx5_flow_destination *dest);
void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);

int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
				 struct mlx5_flow_destination *dest);

#endif
Commit	Line	Data
26a81453 MG	1	/*
	2	* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#ifndef _MLX5_FS_
	34	#define _MLX5_FS_
	35
86d722ad	36	#include <linux/mlx5/driver.h>
26a81453 MG	37	#include <linux/mlx5/mlx5_ifc.h>
26a81453 MG	38
25302363 MG	39	#define MLX5_FS_DEFAULT_FLOW_TAG 0x0
25302363 MG	40
b3638e1a MG	41	enum {
	42	MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
	43	};
	44
038d2ef8 MG	45	#define LEFTOVERS_RULE_NUM 2
	46	static inline void build_leftovers_ft_param(int *priority,
	47	int *n_ent,
	48	int *n_grp)
	49	{
	50	priority = 0; / Priority of leftovers_prio-0 */
	51	*n_ent = LEFTOVERS_RULE_NUM;
	52	*n_grp = LEFTOVERS_RULE_NUM;
	53	}
	54
25302363	55	enum mlx5_flow_namespace_type {
4cbdd30e	56	MLX5_FLOW_NAMESPACE_BYPASS,
25302363	57	MLX5_FLOW_NAMESPACE_KERNEL,
4cbdd30e	58	MLX5_FLOW_NAMESPACE_LEFTOVERS,
153fefbf	59	MLX5_FLOW_NAMESPACE_ANCHOR,
25302363 MG	60	MLX5_FLOW_NAMESPACE_FDB,
	61	};
	62
26a81453	63	struct mlx5_flow_table;
86d722ad MG	64	struct mlx5_flow_group;
	65	struct mlx5_flow_rule;
	66	struct mlx5_flow_namespace;
26a81453 MG	67
	68	struct mlx5_flow_destination {
	69	enum mlx5_flow_destination_type type;
	70	union {
	71	u32 tir_num;
	72	struct mlx5_flow_table *ft;
25302363	73	u32 vport_num;
26a81453 MG	74	};
26a81453 MG	75	};
86d722ad MG	76
	77	struct mlx5_flow_namespace *
	78	mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
	79	enum mlx5_flow_namespace_type type);
	80
f0d22d18 MG	81	struct mlx5_flow_table *
	82	mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
	83	int prio,
	84	int num_flow_table_entries,
	85	int max_num_groups);
	86
86d722ad MG	87	struct mlx5_flow_table *
	88	mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
	89	int prio,
	90	int num_flow_table_entries);
	91	int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
	92
	93	/* inbox should be set with the following values:
	94	* start_flow_index
	95	* end_flow_index
	96	* match_criteria_enable
	97	* match_criteria
	98	*/
	99	struct mlx5_flow_group *
	100	mlx5_create_flow_group(struct mlx5_flow_table ft, u32 in);
	101	void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
	102
	103	/* Single destination per rule.
	104	* Group ID is implied by the match criteria.
	105	*/
	106	struct mlx5_flow_rule *
	107	mlx5_add_flow_rule(struct mlx5_flow_table *ft,
	108	u8 match_criteria_enable,
	109	u32 *match_criteria,
	110	u32 *match_value,
	111	u32 action,
	112	u32 flow_tag,
	113	struct mlx5_flow_destination *dest);
	114	void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
	115
d745098c MG	116	int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
	117	struct mlx5_flow_destination *dest);
	118
26a81453	119	#endif