197 lines
7.4 KiB
C
197 lines
7.4 KiB
C
/*
|
|
* drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
|
|
* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved.
|
|
* Copyright (c) 2017-2018 Jiri Pirko <jiri@mellanox.com>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the names of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _MLXSW_SPECTRUM_ACL_TCAM_H
|
|
#define _MLXSW_SPECTRUM_ACL_TCAM_H
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/parman.h>
|
|
|
|
#include "reg.h"
|
|
#include "spectrum.h"
|
|
#include "core_acl_flex_keys.h"
|
|
|
|
struct mlxsw_sp_acl_tcam {
|
|
unsigned long *used_regions; /* bit array */
|
|
unsigned int max_regions;
|
|
unsigned long *used_groups; /* bit array */
|
|
unsigned int max_groups;
|
|
unsigned int max_group_size;
|
|
unsigned long priv[0];
|
|
/* priv has to be always the last item */
|
|
};
|
|
|
|
size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp);
|
|
int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_tcam *tcam);
|
|
void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_tcam *tcam);
|
|
int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_rule_info *rulei,
|
|
u32 *priority, bool fillup_priority);
|
|
|
|
struct mlxsw_sp_acl_profile_ops {
|
|
size_t ruleset_priv_size;
|
|
int (*ruleset_add)(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_tcam *tcam, void *ruleset_priv,
|
|
struct mlxsw_afk_element_usage *tmplt_elusage);
|
|
void (*ruleset_del)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
|
|
int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
bool ingress);
|
|
void (*ruleset_unbind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
bool ingress);
|
|
u16 (*ruleset_group_id)(void *ruleset_priv);
|
|
size_t (*rule_priv_size)(struct mlxsw_sp *mlxsw_sp);
|
|
int (*rule_add)(struct mlxsw_sp *mlxsw_sp,
|
|
void *ruleset_priv, void *rule_priv,
|
|
struct mlxsw_sp_acl_rule_info *rulei);
|
|
void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);
|
|
int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
|
|
bool *activity);
|
|
};
|
|
|
|
const struct mlxsw_sp_acl_profile_ops *
|
|
mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
|
|
enum mlxsw_sp_acl_profile profile);
|
|
|
|
#define MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT 16
|
|
#define MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP 16
|
|
|
|
#define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)
|
|
|
|
#define MLXSW_SP_ACL_TCAM_MASK_LEN \
|
|
(MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN * BITS_PER_BYTE)
|
|
|
|
struct mlxsw_sp_acl_tcam_group;
|
|
|
|
struct mlxsw_sp_acl_tcam_region {
|
|
struct list_head list; /* Member of a TCAM group */
|
|
struct list_head chunk_list; /* List of chunks under this region */
|
|
struct mlxsw_sp_acl_tcam_group *group;
|
|
enum mlxsw_reg_ptar_key_type key_type;
|
|
u16 id; /* ACL ID and region ID - they are same */
|
|
char tcam_region_info[MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN];
|
|
struct mlxsw_afk_key_info *key_info;
|
|
struct mlxsw_sp *mlxsw_sp;
|
|
unsigned long priv[0];
|
|
/* priv has to be always the last item */
|
|
};
|
|
|
|
struct mlxsw_sp_acl_ctcam_region {
|
|
struct parman *parman;
|
|
struct mlxsw_sp_acl_tcam_region *region;
|
|
};
|
|
|
|
struct mlxsw_sp_acl_ctcam_chunk {
|
|
struct parman_prio parman_prio;
|
|
};
|
|
|
|
struct mlxsw_sp_acl_ctcam_entry {
|
|
struct parman_item parman_item;
|
|
};
|
|
|
|
int mlxsw_sp_acl_ctcam_region_init(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_ctcam_region *cregion,
|
|
struct mlxsw_sp_acl_tcam_region *region);
|
|
void mlxsw_sp_acl_ctcam_region_fini(struct mlxsw_sp_acl_ctcam_region *cregion);
|
|
void mlxsw_sp_acl_ctcam_chunk_init(struct mlxsw_sp_acl_ctcam_region *cregion,
|
|
struct mlxsw_sp_acl_ctcam_chunk *cchunk,
|
|
unsigned int priority);
|
|
void mlxsw_sp_acl_ctcam_chunk_fini(struct mlxsw_sp_acl_ctcam_chunk *cchunk);
|
|
int mlxsw_sp_acl_ctcam_entry_add(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_ctcam_region *cregion,
|
|
struct mlxsw_sp_acl_ctcam_chunk *cchunk,
|
|
struct mlxsw_sp_acl_ctcam_entry *centry,
|
|
struct mlxsw_sp_acl_rule_info *rulei,
|
|
bool fillup_priority);
|
|
void mlxsw_sp_acl_ctcam_entry_del(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_ctcam_region *cregion,
|
|
struct mlxsw_sp_acl_ctcam_chunk *cchunk,
|
|
struct mlxsw_sp_acl_ctcam_entry *centry);
|
|
static inline unsigned int
|
|
mlxsw_sp_acl_ctcam_entry_offset(struct mlxsw_sp_acl_ctcam_entry *centry)
|
|
{
|
|
return centry->parman_item.index;
|
|
}
|
|
|
|
enum mlxsw_sp_acl_atcam_region_type {
|
|
MLXSW_SP_ACL_ATCAM_REGION_TYPE_2KB,
|
|
MLXSW_SP_ACL_ATCAM_REGION_TYPE_4KB,
|
|
MLXSW_SP_ACL_ATCAM_REGION_TYPE_8KB,
|
|
MLXSW_SP_ACL_ATCAM_REGION_TYPE_12KB,
|
|
__MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX,
|
|
};
|
|
|
|
#define MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX \
|
|
(__MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX - 1)
|
|
|
|
struct mlxsw_sp_acl_atcam {
|
|
struct mlxsw_sp_acl_erp_core *erp_core;
|
|
};
|
|
|
|
struct mlxsw_sp_acl_atcam_region {
|
|
struct mlxsw_sp_acl_tcam_region *region;
|
|
struct mlxsw_sp_acl_atcam *atcam;
|
|
enum mlxsw_sp_acl_atcam_region_type type;
|
|
struct mlxsw_sp_acl_erp_table *erp_table;
|
|
};
|
|
|
|
int mlxsw_sp_acl_atcam_region_associate(struct mlxsw_sp *mlxsw_sp,
|
|
u16 region_id);
|
|
int mlxsw_sp_acl_atcam_region_init(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_tcam_region *region);
|
|
int mlxsw_sp_acl_atcam_init(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_atcam *atcam);
|
|
void mlxsw_sp_acl_atcam_fini(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_atcam *atcam);
|
|
|
|
struct mlxsw_sp_acl_erp;
|
|
|
|
u8 mlxsw_sp_acl_erp_id(const struct mlxsw_sp_acl_erp *erp);
|
|
struct mlxsw_sp_acl_erp *
|
|
mlxsw_sp_acl_erp_get(struct mlxsw_sp_acl_atcam_region *aregion,
|
|
const char *mask, bool ctcam);
|
|
void mlxsw_sp_acl_erp_put(struct mlxsw_sp_acl_atcam_region *aregion,
|
|
struct mlxsw_sp_acl_erp *erp);
|
|
int mlxsw_sp_acl_erp_region_init(struct mlxsw_sp_acl_atcam_region *aregion);
|
|
void mlxsw_sp_acl_erp_region_fini(struct mlxsw_sp_acl_atcam_region *aregion);
|
|
int mlxsw_sp_acl_erps_init(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_atcam *atcam);
|
|
void mlxsw_sp_acl_erps_fini(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_acl_atcam *atcam);
|
|
|
|
#endif
|