[linux-2.6-block.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_OFFLOADS,
	MLX5_FLOW_NAMESPACE_KERNEL,
	MLX5_FLOW_NAMESPACE_LEFTOVERS,
	MLX5_FLOW_NAMESPACE_ANCHOR,
	MLX5_FLOW_NAMESPACE_FDB,
	MLX5_FLOW_NAMESPACE_ESW_EGRESS,
	MLX5_FLOW_NAMESPACE_ESW_INGRESS,
};

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

struct mlx5_flow_spec {
	u8   match_criteria_enable;
	u32  match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
	u32  match_value[MLX5_ST_SZ_DW(fte_match_param)];
};

struct mlx5_flow_destination {
	enum mlx5_flow_destination_type	type;
	union {
		u32			tir_num;
		struct mlx5_flow_table	*ft;
		u32			vport_num;
		struct mlx5_fc		*counter;
	};
};

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,
				    u32 level);

struct mlx5_flow_table *
mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
		       int prio,
		       int num_flow_table_entries,
		       u32 level);
struct mlx5_flow_table *
mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
			     int prio,
			     int num_flow_table_entries,
			     u32 level, u16 vport);
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,
		   struct mlx5_flow_spec *spec,
		   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);

struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule);
struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
void mlx5_fc_query_cached(struct mlx5_fc *counter,
			  u64 *bytes, u64 *packets, u64 *lastuse);

#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,
acbc2004	57	MLX5_FLOW_NAMESPACE_OFFLOADS,
25302363	58	MLX5_FLOW_NAMESPACE_KERNEL,
4cbdd30e	59	MLX5_FLOW_NAMESPACE_LEFTOVERS,
153fefbf	60	MLX5_FLOW_NAMESPACE_ANCHOR,
25302363	61	MLX5_FLOW_NAMESPACE_FDB,
efdc810b MHY	62	MLX5_FLOW_NAMESPACE_ESW_EGRESS,
efdc810b MHY	63	MLX5_FLOW_NAMESPACE_ESW_INGRESS,
25302363 MG	64	};
25302363 MG	65
26a81453	66	struct mlx5_flow_table;
86d722ad MG	67	struct mlx5_flow_group;
	68	struct mlx5_flow_rule;
	69	struct mlx5_flow_namespace;
26a81453	70
c5bb1730 MG	71	struct mlx5_flow_spec {
	72	u8 match_criteria_enable;
	73	u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
	74	u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
	75	};
	76
26a81453 MG	77	struct mlx5_flow_destination {
	78	enum mlx5_flow_destination_type type;
	79	union {
	80	u32 tir_num;
	81	struct mlx5_flow_table *ft;
25302363	82	u32 vport_num;
bd5251db	83	struct mlx5_fc *counter;
26a81453 MG	84	};
26a81453 MG	85	};
86d722ad MG	86
	87	struct mlx5_flow_namespace *
	88	mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
	89	enum mlx5_flow_namespace_type type);
	90
f0d22d18 MG	91	struct mlx5_flow_table *
	92	mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
	93	int prio,
	94	int num_flow_table_entries,
d63cd286 MG	95	int max_num_groups,
d63cd286 MG	96	u32 level);
f0d22d18	97
86d722ad MG	98	struct mlx5_flow_table *
	99	mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
	100	int prio,
d63cd286 MG	101	int num_flow_table_entries,
d63cd286 MG	102	u32 level);
efdc810b MHY	103	struct mlx5_flow_table *
	104	mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
	105	int prio,
	106	int num_flow_table_entries,
	107	u32 level, u16 vport);
86d722ad MG	108	int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
	109
	110	/* inbox should be set with the following values:
	111	* start_flow_index
	112	* end_flow_index
	113	* match_criteria_enable
	114	* match_criteria
	115	*/
	116	struct mlx5_flow_group *
	117	mlx5_create_flow_group(struct mlx5_flow_table ft, u32 in);
	118	void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
	119
	120	/* Single destination per rule.
	121	* Group ID is implied by the match criteria.
	122	*/
	123	struct mlx5_flow_rule *
	124	mlx5_add_flow_rule(struct mlx5_flow_table *ft,
c5bb1730	125	struct mlx5_flow_spec *spec,
86d722ad MG	126	u32 action,
	127	u32 flow_tag,
	128	struct mlx5_flow_destination *dest);
	129	void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
	130
d745098c MG	131	int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
	132	struct mlx5_flow_destination *dest);
	133
bd5251db	134	struct mlx5_fc mlx5_flow_rule_counter(struct mlx5_flow_rule rule);
43a335e0 AV	135	struct mlx5_fc mlx5_fc_create(struct mlx5_core_dev dev, bool aging);
	136	void mlx5_fc_destroy(struct mlx5_core_dev dev, struct mlx5_fc counter);
	137	void mlx5_fc_query_cached(struct mlx5_fc *counter,
	138	u64 bytes, u64 packets, u64 *lastuse);
	139
26a81453	140	#endif