diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h new file mode 100644 index 000000000000..68551da2221d --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h @@ -0,0 +1,151 @@ +/* + * 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); + 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) + +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; +} + +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); + +#endif |