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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
#include <linux/kernel.h>
#include <linux/slab.h>
#include "reg.h"
#include "core.h"
#include "spectrum.h"
#include "spectrum_acl_tcam.h"
struct mlxsw_sp1_acl_tcam_region {
struct mlxsw_sp_acl_ctcam_region cregion;
struct mlxsw_sp_acl_tcam_region *region;
struct {
struct mlxsw_sp_acl_ctcam_chunk cchunk;
struct mlxsw_sp_acl_ctcam_entry centry;
struct mlxsw_sp_acl_rule_info *rulei;
} catchall;
};
struct mlxsw_sp1_acl_tcam_chunk {
struct mlxsw_sp_acl_ctcam_chunk cchunk;
};
struct mlxsw_sp1_acl_tcam_entry {
struct mlxsw_sp_acl_ctcam_entry centry;
};
static int
mlxsw_sp1_acl_ctcam_region_entry_insert(struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry,
const char *mask)
{
return 0;
}
static void
mlxsw_sp1_acl_ctcam_region_entry_remove(struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry)
{
}
static const struct mlxsw_sp_acl_ctcam_region_ops
mlxsw_sp1_acl_ctcam_region_ops = {
.entry_insert = mlxsw_sp1_acl_ctcam_region_entry_insert,
.entry_remove = mlxsw_sp1_acl_ctcam_region_entry_remove,
};
static int mlxsw_sp1_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv,
struct mlxsw_sp_acl_tcam *tcam)
{
return 0;
}
static void mlxsw_sp1_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, void *priv)
{
}
static int
mlxsw_sp1_acl_ctcam_region_catchall_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp1_acl_tcam_region *region)
{
struct mlxsw_sp_acl_rule_info *rulei;
int err;
mlxsw_sp_acl_ctcam_chunk_init(®ion->cregion,
®ion->catchall.cchunk,
MLXSW_SP_ACL_TCAM_CATCHALL_PRIO);
rulei = mlxsw_sp_acl_rulei_create(mlxsw_sp->acl);
if (IS_ERR(rulei)) {
err = PTR_ERR(rulei);
goto err_rulei_create;
}
err = mlxsw_sp_acl_rulei_act_continue(rulei);
if (WARN_ON(err))
goto err_rulei_act_continue;
err = mlxsw_sp_acl_rulei_commit(rulei);
if (err)
goto err_rulei_commit;
err = mlxsw_sp_acl_ctcam_entry_add(mlxsw_sp, ®ion->cregion,
®ion->catchall.cchunk,
®ion->catchall.centry,
rulei, false);
if (err)
goto err_entry_add;
region->catchall.rulei = rulei;
return 0;
err_entry_add:
err_rulei_commit:
err_rulei_act_continue:
mlxsw_sp_acl_rulei_destroy(rulei);
err_rulei_create:
mlxsw_sp_acl_ctcam_chunk_fini(®ion->catchall.cchunk);
return err;
}
static void
mlxsw_sp1_acl_ctcam_region_catchall_del(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp1_acl_tcam_region *region)
{
struct mlxsw_sp_acl_rule_info *rulei = region->catchall.rulei;
mlxsw_sp_acl_ctcam_entry_del(mlxsw_sp, ®ion->cregion,
®ion->catchall.cchunk,
®ion->catchall.centry);
mlxsw_sp_acl_rulei_destroy(rulei);
mlxsw_sp_acl_ctcam_chunk_fini(®ion->catchall.cchunk);
}
static int
mlxsw_sp1_acl_tcam_region_init(struct mlxsw_sp *mlxsw_sp, void *region_priv,
void *tcam_priv,
struct mlxsw_sp_acl_tcam_region *_region)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
int err;
err = mlxsw_sp_acl_ctcam_region_init(mlxsw_sp, ®ion->cregion,
_region,
&mlxsw_sp1_acl_ctcam_region_ops);
if (err)
return err;
err = mlxsw_sp1_acl_ctcam_region_catchall_add(mlxsw_sp, region);
if (err)
goto err_catchall_add;
region->region = _region;
return 0;
err_catchall_add:
mlxsw_sp_acl_ctcam_region_fini(®ion->cregion);
return err;
}
static void
mlxsw_sp1_acl_tcam_region_fini(struct mlxsw_sp *mlxsw_sp, void *region_priv)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
mlxsw_sp1_acl_ctcam_region_catchall_del(mlxsw_sp, region);
mlxsw_sp_acl_ctcam_region_fini(®ion->cregion);
}
static int
mlxsw_sp1_acl_tcam_region_associate(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region)
{
return 0;
}
static void mlxsw_sp1_acl_tcam_chunk_init(void *region_priv, void *chunk_priv,
unsigned int priority)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
mlxsw_sp_acl_ctcam_chunk_init(®ion->cregion, &chunk->cchunk,
priority);
}
static void mlxsw_sp1_acl_tcam_chunk_fini(void *chunk_priv)
{
struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
mlxsw_sp_acl_ctcam_chunk_fini(&chunk->cchunk);
}
static int mlxsw_sp1_acl_tcam_entry_add(struct mlxsw_sp *mlxsw_sp,
void *region_priv, void *chunk_priv,
void *entry_priv,
struct mlxsw_sp_acl_rule_info *rulei)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
return mlxsw_sp_acl_ctcam_entry_add(mlxsw_sp, ®ion->cregion,
&chunk->cchunk, &entry->centry,
rulei, false);
}
static void mlxsw_sp1_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp,
void *region_priv, void *chunk_priv,
void *entry_priv)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
mlxsw_sp_acl_ctcam_entry_del(mlxsw_sp, ®ion->cregion,
&chunk->cchunk, &entry->centry);
}
static int
mlxsw_sp1_acl_tcam_region_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *_region,
unsigned int offset,
bool *activity)
{
char ptce2_pl[MLXSW_REG_PTCE2_LEN];
int err;
mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ,
_region->tcam_region_info, offset, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
if (err)
return err;
*activity = mlxsw_reg_ptce2_a_get(ptce2_pl);
return 0;
}
static int
mlxsw_sp1_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
void *region_priv, void *entry_priv,
bool *activity)
{
struct mlxsw_sp1_acl_tcam_region *region = region_priv;
struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
unsigned int offset;
offset = mlxsw_sp_acl_ctcam_entry_offset(&entry->centry);
return mlxsw_sp1_acl_tcam_region_entry_activity_get(mlxsw_sp,
region->region,
offset, activity);
}
const struct mlxsw_sp_acl_tcam_ops mlxsw_sp1_acl_tcam_ops = {
.key_type = MLXSW_REG_PTAR_KEY_TYPE_FLEX,
.priv_size = 0,
.init = mlxsw_sp1_acl_tcam_init,
.fini = mlxsw_sp1_acl_tcam_fini,
.region_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_region),
.region_init = mlxsw_sp1_acl_tcam_region_init,
.region_fini = mlxsw_sp1_acl_tcam_region_fini,
.region_associate = mlxsw_sp1_acl_tcam_region_associate,
.chunk_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_chunk),
.chunk_init = mlxsw_sp1_acl_tcam_chunk_init,
.chunk_fini = mlxsw_sp1_acl_tcam_chunk_fini,
.entry_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_entry),
.entry_add = mlxsw_sp1_acl_tcam_entry_add,
.entry_del = mlxsw_sp1_acl_tcam_entry_del,
.entry_activity_get = mlxsw_sp1_acl_tcam_entry_activity_get,
};
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