1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
// 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/errno.h>
#include <linux/parman.h>
#include "reg.h"
#include "core.h"
#include "spectrum.h"
#include "spectrum_acl_tcam.h"
static int
mlxsw_sp_acl_ctcam_region_resize(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region,
u16 new_size)
{
char ptar_pl[MLXSW_REG_PTAR_LEN];
mlxsw_reg_ptar_pack(ptar_pl, MLXSW_REG_PTAR_OP_RESIZE,
region->key_type, new_size, region->id,
region->tcam_region_info);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptar), ptar_pl);
}
static void
mlxsw_sp_acl_ctcam_region_move(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region,
u16 src_offset, u16 dst_offset, u16 size)
{
char prcr_pl[MLXSW_REG_PRCR_LEN];
mlxsw_reg_prcr_pack(prcr_pl, MLXSW_REG_PRCR_OP_MOVE,
region->tcam_region_info, src_offset,
region->tcam_region_info, dst_offset, size);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(prcr), prcr_pl);
}
static int
mlxsw_sp_acl_ctcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry,
struct mlxsw_sp_acl_rule_info *rulei,
bool fillup_priority)
{
struct mlxsw_sp_acl_tcam_region *region = cregion->region;
struct mlxsw_afk *afk = mlxsw_sp_acl_afk(mlxsw_sp->acl);
char ptce2_pl[MLXSW_REG_PTCE2_LEN];
char *act_set;
u32 priority;
char *mask;
char *key;
int err;
err = mlxsw_sp_acl_tcam_priority_get(mlxsw_sp, rulei, &priority,
fillup_priority);
if (err)
return err;
mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_WRITE_WRITE,
region->tcam_region_info,
centry->parman_item.index, priority);
key = mlxsw_reg_ptce2_flex_key_blocks_data(ptce2_pl);
mask = mlxsw_reg_ptce2_mask_data(ptce2_pl);
mlxsw_afk_encode(afk, region->key_info, &rulei->values, key, mask);
err = cregion->ops->entry_insert(cregion, centry, mask);
if (err)
return err;
/* Only the first action set belongs here, the rest is in KVD */
act_set = mlxsw_afa_block_first_set(rulei->act_block);
mlxsw_reg_ptce2_flex_action_set_memcpy_to(ptce2_pl, act_set);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
if (err)
goto err_ptce2_write;
return 0;
err_ptce2_write:
cregion->ops->entry_remove(cregion, centry);
return err;
}
static void
mlxsw_sp_acl_ctcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry)
{
char ptce2_pl[MLXSW_REG_PTCE2_LEN];
mlxsw_reg_ptce2_pack(ptce2_pl, false, MLXSW_REG_PTCE2_OP_WRITE_WRITE,
cregion->region->tcam_region_info,
centry->parman_item.index, 0);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
cregion->ops->entry_remove(cregion, centry);
}
static int
mlxsw_sp_acl_ctcam_region_entry_action_replace(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_entry *centry,
struct mlxsw_afa_block *afa_block,
unsigned int priority)
{
char ptce2_pl[MLXSW_REG_PTCE2_LEN];
char *act_set;
mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_WRITE_UPDATE,
cregion->region->tcam_region_info,
centry->parman_item.index, priority);
act_set = mlxsw_afa_block_first_set(afa_block);
mlxsw_reg_ptce2_flex_action_set_memcpy_to(ptce2_pl, act_set);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);
}
static int mlxsw_sp_acl_ctcam_region_parman_resize(void *priv,
unsigned long new_count)
{
struct mlxsw_sp_acl_ctcam_region *cregion = priv;
struct mlxsw_sp_acl_tcam_region *region = cregion->region;
struct mlxsw_sp *mlxsw_sp = region->mlxsw_sp;
u64 max_tcam_rules;
max_tcam_rules = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_TCAM_RULES);
if (new_count > max_tcam_rules)
return -EINVAL;
return mlxsw_sp_acl_ctcam_region_resize(mlxsw_sp, region, new_count);
}
static void mlxsw_sp_acl_ctcam_region_parman_move(void *priv,
unsigned long from_index,
unsigned long to_index,
unsigned long count)
{
struct mlxsw_sp_acl_ctcam_region *cregion = priv;
struct mlxsw_sp_acl_tcam_region *region = cregion->region;
struct mlxsw_sp *mlxsw_sp = region->mlxsw_sp;
mlxsw_sp_acl_ctcam_region_move(mlxsw_sp, region,
from_index, to_index, count);
}
static const struct parman_ops mlxsw_sp_acl_ctcam_region_parman_ops = {
.base_count = MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT,
.resize_step = MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP,
.resize = mlxsw_sp_acl_ctcam_region_parman_resize,
.move = mlxsw_sp_acl_ctcam_region_parman_move,
.algo = PARMAN_ALGO_TYPE_LSORT,
};
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)
{
cregion->region = region;
cregion->ops = ops;
cregion->parman = parman_create(&mlxsw_sp_acl_ctcam_region_parman_ops,
cregion);
if (!cregion->parman)
return -ENOMEM;
return 0;
}
void mlxsw_sp_acl_ctcam_region_fini(struct mlxsw_sp_acl_ctcam_region *cregion)
{
parman_destroy(cregion->parman);
}
void mlxsw_sp_acl_ctcam_chunk_init(struct mlxsw_sp_acl_ctcam_region *cregion,
struct mlxsw_sp_acl_ctcam_chunk *cchunk,
unsigned int priority)
{
parman_prio_init(cregion->parman, &cchunk->parman_prio, priority);
}
void mlxsw_sp_acl_ctcam_chunk_fini(struct mlxsw_sp_acl_ctcam_chunk *cchunk)
{
parman_prio_fini(&cchunk->parman_prio);
}
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)
{
int err;
err = parman_item_add(cregion->parman, &cchunk->parman_prio,
¢ry->parman_item);
if (err)
return err;
err = mlxsw_sp_acl_ctcam_region_entry_insert(mlxsw_sp, cregion, centry,
rulei, fillup_priority);
if (err)
goto err_rule_insert;
return 0;
err_rule_insert:
parman_item_remove(cregion->parman, &cchunk->parman_prio,
¢ry->parman_item);
return err;
}
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)
{
mlxsw_sp_acl_ctcam_region_entry_remove(mlxsw_sp, cregion, centry);
parman_item_remove(cregion->parman, &cchunk->parman_prio,
¢ry->parman_item);
}
int mlxsw_sp_acl_ctcam_entry_action_replace(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)
{
return mlxsw_sp_acl_ctcam_region_entry_action_replace(mlxsw_sp, cregion,
centry,
rulei->act_block,
rulei->priority);
}
|
