255 lines
7.1 KiB
C
255 lines
7.1 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include "reg.h"
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#include "core.h"
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#include "spectrum.h"
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#include "spectrum_acl_tcam.h"
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struct mlxsw_sp1_acl_tcam_region {
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struct mlxsw_sp_acl_ctcam_region cregion;
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struct mlxsw_sp_acl_tcam_region *region;
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struct {
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struct mlxsw_sp_acl_ctcam_chunk cchunk;
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struct mlxsw_sp_acl_ctcam_entry centry;
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struct mlxsw_sp_acl_rule_info *rulei;
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} catchall;
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};
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struct mlxsw_sp1_acl_tcam_chunk {
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struct mlxsw_sp_acl_ctcam_chunk cchunk;
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};
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struct mlxsw_sp1_acl_tcam_entry {
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struct mlxsw_sp_acl_ctcam_entry centry;
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};
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static int
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mlxsw_sp1_acl_ctcam_region_entry_insert(struct mlxsw_sp_acl_ctcam_region *cregion,
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struct mlxsw_sp_acl_ctcam_entry *centry,
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const char *mask)
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{
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return 0;
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}
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static void
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mlxsw_sp1_acl_ctcam_region_entry_remove(struct mlxsw_sp_acl_ctcam_region *cregion,
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struct mlxsw_sp_acl_ctcam_entry *centry)
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{
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}
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static const struct mlxsw_sp_acl_ctcam_region_ops
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mlxsw_sp1_acl_ctcam_region_ops = {
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.entry_insert = mlxsw_sp1_acl_ctcam_region_entry_insert,
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.entry_remove = mlxsw_sp1_acl_ctcam_region_entry_remove,
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};
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static int mlxsw_sp1_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv,
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struct mlxsw_sp_acl_tcam *tcam)
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{
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return 0;
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}
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static void mlxsw_sp1_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, void *priv)
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{
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}
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static int
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mlxsw_sp1_acl_ctcam_region_catchall_add(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp1_acl_tcam_region *region)
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{
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struct mlxsw_sp_acl_rule_info *rulei;
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int err;
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mlxsw_sp_acl_ctcam_chunk_init(®ion->cregion,
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®ion->catchall.cchunk,
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MLXSW_SP_ACL_TCAM_CATCHALL_PRIO);
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rulei = mlxsw_sp_acl_rulei_create(mlxsw_sp->acl, NULL);
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if (IS_ERR(rulei)) {
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err = PTR_ERR(rulei);
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goto err_rulei_create;
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}
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err = mlxsw_sp_acl_rulei_act_continue(rulei);
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if (WARN_ON(err))
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goto err_rulei_act_continue;
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err = mlxsw_sp_acl_rulei_commit(rulei);
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if (err)
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goto err_rulei_commit;
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err = mlxsw_sp_acl_ctcam_entry_add(mlxsw_sp, ®ion->cregion,
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®ion->catchall.cchunk,
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®ion->catchall.centry,
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rulei, false);
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if (err)
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goto err_entry_add;
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region->catchall.rulei = rulei;
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return 0;
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err_entry_add:
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err_rulei_commit:
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err_rulei_act_continue:
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mlxsw_sp_acl_rulei_destroy(rulei);
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err_rulei_create:
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mlxsw_sp_acl_ctcam_chunk_fini(®ion->catchall.cchunk);
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return err;
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}
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static void
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mlxsw_sp1_acl_ctcam_region_catchall_del(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp1_acl_tcam_region *region)
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{
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struct mlxsw_sp_acl_rule_info *rulei = region->catchall.rulei;
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mlxsw_sp_acl_ctcam_entry_del(mlxsw_sp, ®ion->cregion,
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®ion->catchall.cchunk,
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®ion->catchall.centry);
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mlxsw_sp_acl_rulei_destroy(rulei);
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mlxsw_sp_acl_ctcam_chunk_fini(®ion->catchall.cchunk);
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}
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static int
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mlxsw_sp1_acl_tcam_region_init(struct mlxsw_sp *mlxsw_sp, void *region_priv,
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void *tcam_priv,
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struct mlxsw_sp_acl_tcam_region *_region,
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void *hints_priv)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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int err;
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err = mlxsw_sp_acl_ctcam_region_init(mlxsw_sp, ®ion->cregion,
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_region,
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&mlxsw_sp1_acl_ctcam_region_ops);
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if (err)
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return err;
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err = mlxsw_sp1_acl_ctcam_region_catchall_add(mlxsw_sp, region);
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if (err)
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goto err_catchall_add;
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region->region = _region;
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return 0;
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err_catchall_add:
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mlxsw_sp_acl_ctcam_region_fini(®ion->cregion);
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return err;
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}
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static void
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mlxsw_sp1_acl_tcam_region_fini(struct mlxsw_sp *mlxsw_sp, void *region_priv)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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mlxsw_sp1_acl_ctcam_region_catchall_del(mlxsw_sp, region);
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mlxsw_sp_acl_ctcam_region_fini(®ion->cregion);
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}
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static int
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mlxsw_sp1_acl_tcam_region_associate(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_acl_tcam_region *region)
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{
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return 0;
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}
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static void mlxsw_sp1_acl_tcam_chunk_init(void *region_priv, void *chunk_priv,
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unsigned int priority)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
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mlxsw_sp_acl_ctcam_chunk_init(®ion->cregion, &chunk->cchunk,
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priority);
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}
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static void mlxsw_sp1_acl_tcam_chunk_fini(void *chunk_priv)
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{
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struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
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mlxsw_sp_acl_ctcam_chunk_fini(&chunk->cchunk);
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}
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static int mlxsw_sp1_acl_tcam_entry_add(struct mlxsw_sp *mlxsw_sp,
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void *region_priv, void *chunk_priv,
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void *entry_priv,
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struct mlxsw_sp_acl_rule_info *rulei)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
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struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
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return mlxsw_sp_acl_ctcam_entry_add(mlxsw_sp, ®ion->cregion,
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&chunk->cchunk, &entry->centry,
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rulei, false);
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}
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static void mlxsw_sp1_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp,
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void *region_priv, void *chunk_priv,
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void *entry_priv)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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struct mlxsw_sp1_acl_tcam_chunk *chunk = chunk_priv;
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struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
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mlxsw_sp_acl_ctcam_entry_del(mlxsw_sp, ®ion->cregion,
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&chunk->cchunk, &entry->centry);
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}
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static int
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mlxsw_sp1_acl_tcam_entry_action_replace(struct mlxsw_sp *mlxsw_sp,
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void *region_priv, void *entry_priv,
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struct mlxsw_sp_acl_rule_info *rulei)
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{
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return -EOPNOTSUPP;
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}
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static int
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mlxsw_sp1_acl_tcam_region_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_acl_tcam_region *_region,
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unsigned int offset,
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bool *activity)
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{
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char ptce2_pl[MLXSW_REG_PTCE2_LEN];
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int err;
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mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ,
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_region->tcam_region_info, offset, 0);
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err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
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if (err)
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return err;
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*activity = mlxsw_reg_ptce2_a_get(ptce2_pl);
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return 0;
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}
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static int
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mlxsw_sp1_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
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void *region_priv, void *entry_priv,
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bool *activity)
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{
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struct mlxsw_sp1_acl_tcam_region *region = region_priv;
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struct mlxsw_sp1_acl_tcam_entry *entry = entry_priv;
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unsigned int offset;
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offset = mlxsw_sp_acl_ctcam_entry_offset(&entry->centry);
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return mlxsw_sp1_acl_tcam_region_entry_activity_get(mlxsw_sp,
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region->region,
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offset, activity);
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}
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const struct mlxsw_sp_acl_tcam_ops mlxsw_sp1_acl_tcam_ops = {
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.key_type = MLXSW_REG_PTAR_KEY_TYPE_FLEX,
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.priv_size = 0,
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.init = mlxsw_sp1_acl_tcam_init,
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.fini = mlxsw_sp1_acl_tcam_fini,
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.region_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_region),
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.region_init = mlxsw_sp1_acl_tcam_region_init,
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.region_fini = mlxsw_sp1_acl_tcam_region_fini,
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.region_associate = mlxsw_sp1_acl_tcam_region_associate,
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.chunk_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_chunk),
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.chunk_init = mlxsw_sp1_acl_tcam_chunk_init,
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.chunk_fini = mlxsw_sp1_acl_tcam_chunk_fini,
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.entry_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_entry),
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.entry_add = mlxsw_sp1_acl_tcam_entry_add,
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.entry_del = mlxsw_sp1_acl_tcam_entry_del,
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.entry_action_replace = mlxsw_sp1_acl_tcam_entry_action_replace,
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.entry_activity_get = mlxsw_sp1_acl_tcam_entry_activity_get,
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};
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