1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
4 #ifndef _MLXSW_SPECTRUM_ACL_TCAM_H
5 #define _MLXSW_SPECTRUM_ACL_TCAM_H
7 #include <linux/list.h>
8 #include <linux/parman.h>
12 #include "core_acl_flex_keys.h"
14 struct mlxsw_sp_acl_tcam {
15 unsigned long *used_regions; /* bit array */
16 unsigned int max_regions;
17 unsigned long *used_groups; /* bit array */
18 unsigned int max_groups;
19 unsigned int max_group_size;
20 unsigned long priv[0];
21 /* priv has to be always the last item */
24 size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp);
25 int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
26 struct mlxsw_sp_acl_tcam *tcam);
27 void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
28 struct mlxsw_sp_acl_tcam *tcam);
29 int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp,
30 struct mlxsw_sp_acl_rule_info *rulei,
31 u32 *priority, bool fillup_priority);
33 struct mlxsw_sp_acl_profile_ops {
34 size_t ruleset_priv_size;
35 int (*ruleset_add)(struct mlxsw_sp *mlxsw_sp,
36 struct mlxsw_sp_acl_tcam *tcam, void *ruleset_priv,
37 struct mlxsw_afk_element_usage *tmplt_elusage);
38 void (*ruleset_del)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
39 int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
40 struct mlxsw_sp_port *mlxsw_sp_port,
42 void (*ruleset_unbind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
43 struct mlxsw_sp_port *mlxsw_sp_port,
45 u16 (*ruleset_group_id)(void *ruleset_priv);
46 size_t (*rule_priv_size)(struct mlxsw_sp *mlxsw_sp);
47 int (*rule_add)(struct mlxsw_sp *mlxsw_sp,
48 void *ruleset_priv, void *rule_priv,
49 struct mlxsw_sp_acl_rule_info *rulei);
50 void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);
51 int (*rule_action_replace)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
52 struct mlxsw_sp_acl_rule_info *rulei);
53 int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
57 const struct mlxsw_sp_acl_profile_ops *
58 mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
59 enum mlxsw_sp_acl_profile profile);
61 #define MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT 16
62 #define MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP 16
64 #define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)
66 #define MLXSW_SP_ACL_TCAM_MASK_LEN \
67 (MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN * BITS_PER_BYTE)
69 struct mlxsw_sp_acl_tcam_group;
70 struct mlxsw_sp_acl_tcam_vregion;
72 struct mlxsw_sp_acl_tcam_region {
73 struct mlxsw_sp_acl_tcam_vregion *vregion;
74 enum mlxsw_reg_ptar_key_type key_type;
75 u16 id; /* ACL ID and region ID - they are same */
76 char tcam_region_info[MLXSW_REG_PXXX_TCAM_REGION_INFO_LEN];
77 struct mlxsw_afk_key_info *key_info;
78 struct mlxsw_sp *mlxsw_sp;
79 unsigned long priv[0];
80 /* priv has to be always the last item */
83 struct mlxsw_sp_acl_ctcam_region {
84 struct parman *parman;
85 const struct mlxsw_sp_acl_ctcam_region_ops *ops;
86 struct mlxsw_sp_acl_tcam_region *region;
89 struct mlxsw_sp_acl_ctcam_chunk {
90 struct parman_prio parman_prio;
93 struct mlxsw_sp_acl_ctcam_entry {
94 struct parman_item parman_item;
97 struct mlxsw_sp_acl_ctcam_region_ops {
98 int (*entry_insert)(struct mlxsw_sp_acl_ctcam_region *cregion,
99 struct mlxsw_sp_acl_ctcam_entry *centry,
101 void (*entry_remove)(struct mlxsw_sp_acl_ctcam_region *cregion,
102 struct mlxsw_sp_acl_ctcam_entry *centry);
106 mlxsw_sp_acl_ctcam_region_init(struct mlxsw_sp *mlxsw_sp,
107 struct mlxsw_sp_acl_ctcam_region *cregion,
108 struct mlxsw_sp_acl_tcam_region *region,
109 const struct mlxsw_sp_acl_ctcam_region_ops *ops);
110 void mlxsw_sp_acl_ctcam_region_fini(struct mlxsw_sp_acl_ctcam_region *cregion);
111 void mlxsw_sp_acl_ctcam_chunk_init(struct mlxsw_sp_acl_ctcam_region *cregion,
112 struct mlxsw_sp_acl_ctcam_chunk *cchunk,
113 unsigned int priority);
114 void mlxsw_sp_acl_ctcam_chunk_fini(struct mlxsw_sp_acl_ctcam_chunk *cchunk);
115 int mlxsw_sp_acl_ctcam_entry_add(struct mlxsw_sp *mlxsw_sp,
116 struct mlxsw_sp_acl_ctcam_region *cregion,
117 struct mlxsw_sp_acl_ctcam_chunk *cchunk,
118 struct mlxsw_sp_acl_ctcam_entry *centry,
119 struct mlxsw_sp_acl_rule_info *rulei,
120 bool fillup_priority);
121 void mlxsw_sp_acl_ctcam_entry_del(struct mlxsw_sp *mlxsw_sp,
122 struct mlxsw_sp_acl_ctcam_region *cregion,
123 struct mlxsw_sp_acl_ctcam_chunk *cchunk,
124 struct mlxsw_sp_acl_ctcam_entry *centry);
125 int mlxsw_sp_acl_ctcam_entry_action_replace(struct mlxsw_sp *mlxsw_sp,
126 struct mlxsw_sp_acl_ctcam_region *cregion,
127 struct mlxsw_sp_acl_ctcam_entry *centry,
128 struct mlxsw_sp_acl_rule_info *rulei);
129 static inline unsigned int
130 mlxsw_sp_acl_ctcam_entry_offset(struct mlxsw_sp_acl_ctcam_entry *centry)
132 return centry->parman_item.index;
135 enum mlxsw_sp_acl_atcam_region_type {
136 MLXSW_SP_ACL_ATCAM_REGION_TYPE_2KB,
137 MLXSW_SP_ACL_ATCAM_REGION_TYPE_4KB,
138 MLXSW_SP_ACL_ATCAM_REGION_TYPE_8KB,
139 MLXSW_SP_ACL_ATCAM_REGION_TYPE_12KB,
140 __MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX,
143 #define MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX \
144 (__MLXSW_SP_ACL_ATCAM_REGION_TYPE_MAX - 1)
146 struct mlxsw_sp_acl_atcam {
147 struct mlxsw_sp_acl_erp_core *erp_core;
150 struct mlxsw_sp_acl_atcam_region {
151 struct rhashtable entries_ht; /* A-TCAM only */
152 struct list_head entries_list; /* A-TCAM only */
153 struct mlxsw_sp_acl_ctcam_region cregion;
154 const struct mlxsw_sp_acl_atcam_region_ops *ops;
155 struct mlxsw_sp_acl_tcam_region *region;
156 struct mlxsw_sp_acl_atcam *atcam;
157 enum mlxsw_sp_acl_atcam_region_type type;
158 struct mlxsw_sp_acl_erp_table *erp_table;
162 struct mlxsw_sp_acl_atcam_entry_ht_key {
163 char full_enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded
169 struct mlxsw_sp_acl_atcam_chunk {
170 struct mlxsw_sp_acl_ctcam_chunk cchunk;
173 struct mlxsw_sp_acl_atcam_entry {
174 struct rhash_head ht_node;
175 struct list_head list; /* Member in entries_list */
176 struct mlxsw_sp_acl_atcam_entry_ht_key ht_key;
177 char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key,
185 struct mlxsw_sp_acl_ctcam_entry centry;
186 struct mlxsw_sp_acl_atcam_lkey_id *lkey_id;
187 struct mlxsw_sp_acl_erp_mask *erp_mask;
190 static inline struct mlxsw_sp_acl_atcam_region *
191 mlxsw_sp_acl_tcam_cregion_aregion(struct mlxsw_sp_acl_ctcam_region *cregion)
193 return container_of(cregion, struct mlxsw_sp_acl_atcam_region, cregion);
196 static inline struct mlxsw_sp_acl_atcam_entry *
197 mlxsw_sp_acl_tcam_centry_aentry(struct mlxsw_sp_acl_ctcam_entry *centry)
199 return container_of(centry, struct mlxsw_sp_acl_atcam_entry, centry);
202 int mlxsw_sp_acl_atcam_region_associate(struct mlxsw_sp *mlxsw_sp,
205 mlxsw_sp_acl_atcam_region_init(struct mlxsw_sp *mlxsw_sp,
206 struct mlxsw_sp_acl_atcam *atcam,
207 struct mlxsw_sp_acl_atcam_region *aregion,
208 struct mlxsw_sp_acl_tcam_region *region,
209 const struct mlxsw_sp_acl_ctcam_region_ops *ops);
210 void mlxsw_sp_acl_atcam_region_fini(struct mlxsw_sp_acl_atcam_region *aregion);
211 void mlxsw_sp_acl_atcam_chunk_init(struct mlxsw_sp_acl_atcam_region *aregion,
212 struct mlxsw_sp_acl_atcam_chunk *achunk,
213 unsigned int priority);
214 void mlxsw_sp_acl_atcam_chunk_fini(struct mlxsw_sp_acl_atcam_chunk *achunk);
215 int mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp,
216 struct mlxsw_sp_acl_atcam_region *aregion,
217 struct mlxsw_sp_acl_atcam_chunk *achunk,
218 struct mlxsw_sp_acl_atcam_entry *aentry,
219 struct mlxsw_sp_acl_rule_info *rulei);
220 void mlxsw_sp_acl_atcam_entry_del(struct mlxsw_sp *mlxsw_sp,
221 struct mlxsw_sp_acl_atcam_region *aregion,
222 struct mlxsw_sp_acl_atcam_chunk *achunk,
223 struct mlxsw_sp_acl_atcam_entry *aentry);
224 int mlxsw_sp_acl_atcam_entry_action_replace(struct mlxsw_sp *mlxsw_sp,
225 struct mlxsw_sp_acl_atcam_region *aregion,
226 struct mlxsw_sp_acl_atcam_entry *aentry,
227 struct mlxsw_sp_acl_rule_info *rulei);
228 int mlxsw_sp_acl_atcam_init(struct mlxsw_sp *mlxsw_sp,
229 struct mlxsw_sp_acl_atcam *atcam);
230 void mlxsw_sp_acl_atcam_fini(struct mlxsw_sp *mlxsw_sp,
231 struct mlxsw_sp_acl_atcam *atcam);
233 struct mlxsw_sp_acl_erp_delta;
235 u16 mlxsw_sp_acl_erp_delta_start(const struct mlxsw_sp_acl_erp_delta *delta);
236 u8 mlxsw_sp_acl_erp_delta_mask(const struct mlxsw_sp_acl_erp_delta *delta);
237 u8 mlxsw_sp_acl_erp_delta_value(const struct mlxsw_sp_acl_erp_delta *delta,
238 const char *enc_key);
239 void mlxsw_sp_acl_erp_delta_clear(const struct mlxsw_sp_acl_erp_delta *delta,
240 const char *enc_key);
242 struct mlxsw_sp_acl_erp_mask;
245 mlxsw_sp_acl_erp_mask_is_ctcam(const struct mlxsw_sp_acl_erp_mask *erp_mask);
246 u8 mlxsw_sp_acl_erp_mask_erp_id(const struct mlxsw_sp_acl_erp_mask *erp_mask);
247 const struct mlxsw_sp_acl_erp_delta *
248 mlxsw_sp_acl_erp_delta(const struct mlxsw_sp_acl_erp_mask *erp_mask);
249 struct mlxsw_sp_acl_erp_mask *
250 mlxsw_sp_acl_erp_mask_get(struct mlxsw_sp_acl_atcam_region *aregion,
251 const char *mask, bool ctcam);
252 void mlxsw_sp_acl_erp_mask_put(struct mlxsw_sp_acl_atcam_region *aregion,
253 struct mlxsw_sp_acl_erp_mask *erp_mask);
254 int mlxsw_sp_acl_erp_bf_insert(struct mlxsw_sp *mlxsw_sp,
255 struct mlxsw_sp_acl_atcam_region *aregion,
256 struct mlxsw_sp_acl_erp_mask *erp_mask,
257 struct mlxsw_sp_acl_atcam_entry *aentry);
258 void mlxsw_sp_acl_erp_bf_remove(struct mlxsw_sp *mlxsw_sp,
259 struct mlxsw_sp_acl_atcam_region *aregion,
260 struct mlxsw_sp_acl_erp_mask *erp_mask,
261 struct mlxsw_sp_acl_atcam_entry *aentry);
262 int mlxsw_sp_acl_erp_region_init(struct mlxsw_sp_acl_atcam_region *aregion);
263 void mlxsw_sp_acl_erp_region_fini(struct mlxsw_sp_acl_atcam_region *aregion);
264 int mlxsw_sp_acl_erps_init(struct mlxsw_sp *mlxsw_sp,
265 struct mlxsw_sp_acl_atcam *atcam);
266 void mlxsw_sp_acl_erps_fini(struct mlxsw_sp *mlxsw_sp,
267 struct mlxsw_sp_acl_atcam *atcam);
269 struct mlxsw_sp_acl_bf;
272 mlxsw_sp_acl_bf_entry_add(struct mlxsw_sp *mlxsw_sp,
273 struct mlxsw_sp_acl_bf *bf,
274 struct mlxsw_sp_acl_atcam_region *aregion,
275 unsigned int erp_bank,
276 struct mlxsw_sp_acl_atcam_entry *aentry);
278 mlxsw_sp_acl_bf_entry_del(struct mlxsw_sp *mlxsw_sp,
279 struct mlxsw_sp_acl_bf *bf,
280 struct mlxsw_sp_acl_atcam_region *aregion,
281 unsigned int erp_bank,
282 struct mlxsw_sp_acl_atcam_entry *aentry);
283 struct mlxsw_sp_acl_bf *
284 mlxsw_sp_acl_bf_init(struct mlxsw_sp *mlxsw_sp, unsigned int num_erp_banks);
285 void mlxsw_sp_acl_bf_fini(struct mlxsw_sp_acl_bf *bf);