[mirror_ubuntu-artful-kernel.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,
};

enum {
	MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0),
};

#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_LAG,
	MLX5_FLOW_NAMESPACE_OFFLOADS,
	MLX5_FLOW_NAMESPACE_ETHTOOL,
	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,
	MLX5_FLOW_NAMESPACE_SNIFFER_RX,
	MLX5_FLOW_NAMESPACE_SNIFFER_TX,
};

struct mlx5_flow_table;
struct mlx5_flow_group;
struct mlx5_flow_namespace;
struct mlx5_flow_handle;

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,
				    u32 flags);

struct mlx5_flow_table_attr {
	int prio;
	int max_fte;
	u32 level;
	u32 flags;
};

struct mlx5_flow_table *
mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
		       struct mlx5_flow_table_attr *ft_attr);

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);
struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
					       struct mlx5_flow_namespace *ns,
					       int prio, u32 level);
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);

struct mlx5_flow_act {
	u32 action;
	u32 flow_tag;
	u32 encap_id;
	u32 modify_id;
};

#define MLX5_DECLARE_FLOW_ACT(name) \
	struct mlx5_flow_act name = {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
				     MLX5_FS_DEFAULT_FLOW_TAG, 0, 0}

/* Single destination per rule.
 * Group ID is implied by the match criteria.
 */
struct mlx5_flow_handle *
mlx5_add_flow_rules(struct mlx5_flow_table *ft,
		    struct mlx5_flow_spec *spec,
		    struct mlx5_flow_act *flow_act,
		    struct mlx5_flow_destination *dest,
		    int dest_num);
void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);

int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
				 struct mlx5_flow_destination *new_dest,
				 struct mlx5_flow_destination *old_dest);

struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_handle *handler);
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);
int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);

#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
c9f1b073 HHZ	45	enum {
	46	MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0),
	47	};
	48
038d2ef8 MG	49	#define LEFTOVERS_RULE_NUM 2
	50	static inline void build_leftovers_ft_param(int *priority,
	51	int *n_ent,
	52	int *n_grp)
	53	{
	54	priority = 0; / Priority of leftovers_prio-0 */
	55	*n_ent = LEFTOVERS_RULE_NUM;
	56	*n_grp = LEFTOVERS_RULE_NUM;
	57	}
	58
25302363	59	enum mlx5_flow_namespace_type {
4cbdd30e	60	MLX5_FLOW_NAMESPACE_BYPASS,
3e75d4eb	61	MLX5_FLOW_NAMESPACE_LAG,
acbc2004	62	MLX5_FLOW_NAMESPACE_OFFLOADS,
6dc6071c	63	MLX5_FLOW_NAMESPACE_ETHTOOL,
25302363	64	MLX5_FLOW_NAMESPACE_KERNEL,
4cbdd30e	65	MLX5_FLOW_NAMESPACE_LEFTOVERS,
153fefbf	66	MLX5_FLOW_NAMESPACE_ANCHOR,
25302363	67	MLX5_FLOW_NAMESPACE_FDB,
efdc810b MHY	68	MLX5_FLOW_NAMESPACE_ESW_EGRESS,
efdc810b MHY	69	MLX5_FLOW_NAMESPACE_ESW_INGRESS,
87d22483 MG	70	MLX5_FLOW_NAMESPACE_SNIFFER_RX,
87d22483 MG	71	MLX5_FLOW_NAMESPACE_SNIFFER_TX,
25302363 MG	72	};
25302363 MG	73
26a81453	74	struct mlx5_flow_table;
86d722ad	75	struct mlx5_flow_group;
86d722ad	76	struct mlx5_flow_namespace;
74491de9	77	struct mlx5_flow_handle;
26a81453	78
c5bb1730 MG	79	struct mlx5_flow_spec {
	80	u8 match_criteria_enable;
	81	u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
	82	u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
	83	};
	84
26a81453 MG	85	struct mlx5_flow_destination {
	86	enum mlx5_flow_destination_type type;
	87	union {
	88	u32 tir_num;
	89	struct mlx5_flow_table *ft;
25302363	90	u32 vport_num;
bd5251db	91	struct mlx5_fc *counter;
26a81453 MG	92	};
26a81453 MG	93	};
86d722ad MG	94
	95	struct mlx5_flow_namespace *
	96	mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
	97	enum mlx5_flow_namespace_type type);
	98
f0d22d18 MG	99	struct mlx5_flow_table *
	100	mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
	101	int prio,
	102	int num_flow_table_entries,
d63cd286	103	int max_num_groups,
c9f1b073 HHZ	104	u32 level,
c9f1b073 HHZ	105	u32 flags);
f0d22d18	106
b3ba5149 ES	107	struct mlx5_flow_table_attr {
	108	int prio;
	109	int max_fte;
	110	u32 level;
	111	u32 flags;
b3ba5149 ES	112	};
b3ba5149 ES	113
86d722ad MG	114	struct mlx5_flow_table *
86d722ad MG	115	mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
b3ba5149 ES	116	struct mlx5_flow_table_attr *ft_attr);
b3ba5149 ES	117
efdc810b MHY	118	struct mlx5_flow_table *
	119	mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
	120	int prio,
	121	int num_flow_table_entries,
	122	u32 level, u16 vport);
aaff1bea AH	123	struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
	124	struct mlx5_flow_namespace *ns,
	125	int prio, u32 level);
86d722ad MG	126	int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
	127
	128	/* inbox should be set with the following values:
	129	* start_flow_index
	130	* end_flow_index
	131	* match_criteria_enable
	132	* match_criteria
	133	*/
	134	struct mlx5_flow_group *
	135	mlx5_create_flow_group(struct mlx5_flow_table ft, u32 in);
	136	void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
	137
66958ed9 HHZ	138	struct mlx5_flow_act {
	139	u32 action;
	140	u32 flow_tag;
	141	u32 encap_id;
2a69cb9f	142	u32 modify_id;
66958ed9 HHZ	143	};
66958ed9 HHZ	144
e753b2b5 OG	145	#define MLX5_DECLARE_FLOW_ACT(name) \
e753b2b5 OG	146	struct mlx5_flow_act name = {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
2a69cb9f	147	MLX5_FS_DEFAULT_FLOW_TAG, 0, 0}
e753b2b5	148
86d722ad MG	149	/* Single destination per rule.
	150	* Group ID is implied by the match criteria.
	151	*/
74491de9 MB	152	struct mlx5_flow_handle *
	153	mlx5_add_flow_rules(struct mlx5_flow_table *ft,
	154	struct mlx5_flow_spec *spec,
66958ed9	155	struct mlx5_flow_act *flow_act,
74491de9 MB	156	struct mlx5_flow_destination *dest,
	157	int dest_num);
	158	void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
	159
	160	int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
	161	struct mlx5_flow_destination *new_dest,
	162	struct mlx5_flow_destination *old_dest);
	163
	164	struct mlx5_fc mlx5_flow_rule_counter(struct mlx5_flow_handle handler);
43a335e0 AV	165	struct mlx5_fc mlx5_fc_create(struct mlx5_core_dev dev, bool aging);
	166	void mlx5_fc_destroy(struct mlx5_core_dev dev, struct mlx5_fc counter);
	167	void mlx5_fc_query_cached(struct mlx5_fc *counter,
	168	u64 bytes, u64 packets, u64 *lastuse);
50854114 YH	169	int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
	170	int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
	171
26a81453	172	#endif