/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
#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;
const struct mlxsw_sp_acl_ctcam_region_ops *ops;
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;
};
struct mlxsw_sp_acl_ctcam_region_ops {
int (*entry_insert)(struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry,
const char *mask);
void (*entry_remove)(struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry);
};
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,
const struct mlxsw_sp_acl_ctcam_region_ops *ops);
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 rhashtable entries_ht; /* A-TCAM only */
struct mlxsw_sp_acl_ctcam_region cregion;
const struct mlxsw_sp_acl_atcam_region_ops *ops;
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;
void *priv;
};
struct mlxsw_sp_acl_atcam_entry_ht_key {
char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key */
u8 erp_id;
};
struct mlxsw_sp_acl_atcam_chunk {
struct mlxsw_sp_acl_ctcam_chunk cchunk;
};
struct mlxsw_sp_acl_atcam_entry {
struct rhash_head ht_node;
struct mlxsw_sp_acl_atcam_entry_ht_key ht_key;
struct mlxsw_sp_acl_ctcam_entry centry;
struct mlxsw_sp_acl_atcam_lkey_id *lkey_id;
struct mlxsw_sp_acl_erp *erp;
};
static inline struct mlxsw_sp_acl_atcam_region *
mlxsw_sp_acl_tcam_cregion_aregion(struct mlxsw_sp_acl_ctcam_region *cregion)
{
return container_of(cregion, struct mlxsw_sp_acl_atcam_region, cregion);
}
static inline struct mlxsw_sp_acl_atcam_entry *
mlxsw_sp_acl_tcam_centry_aentry(struct mlxsw_sp_acl_ctcam_entry *centry)
{
return container_of(centry, struct mlxsw_sp_acl_atcam_entry, centry);
}
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_atcam *atcam,
struct mlxsw_sp_acl_atcam_region *aregion,
struct mlxsw_sp_acl_tcam_region *region,
const struct mlxsw_sp_acl_ctcam_region_ops *ops);
void mlxsw_sp_acl_atcam_region_fini(struct mlxsw_sp_acl_atcam_region *aregion);
void mlxsw_sp_acl_atcam_chunk_init(struct mlxsw_sp_acl_atcam_region *aregion,
struct mlxsw_sp_acl_atcam_chunk *achunk,
unsigned int priority);
void mlxsw_sp_acl_atcam_chunk_fini(struct mlxsw_sp_acl_atcam_chunk *achunk);
int mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_atcam_region *aregion,
struct mlxsw_sp_acl_atcam_chunk *achunk,
struct mlxsw_sp_acl_atcam_entry *aentry,
struct mlxsw_sp_acl_rule_info *rulei);
void mlxsw_sp_acl_atcam_entry_del(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_atcam_region *aregion,
struct mlxsw_sp_acl_atcam_chunk *achunk,
struct mlxsw_sp_acl_atcam_entry *aentry);
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;
bool mlxsw_sp_acl_erp_is_ctcam_erp(const struct mlxsw_sp_acl_erp *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
