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26a81453 MG |
1 | /* |
2 | * Copyright (c) 2015, Mellanox Technologies. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/mlx5/driver.h> | |
34 | #include <linux/mlx5/device.h> | |
35 | #include <linux/mlx5/mlx5_ifc.h> | |
36 | ||
37 | #include "fs_core.h" | |
38 | #include "fs_cmd.h" | |
39 | #include "mlx5_core.h" | |
40 | ||
2cc43b49 MG |
41 | int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev, |
42 | struct mlx5_flow_table *ft) | |
43 | { | |
44 | u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)]; | |
45 | u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)]; | |
46 | ||
47 | memset(in, 0, sizeof(in)); | |
48 | ||
49 | MLX5_SET(set_flow_table_root_in, in, opcode, | |
50 | MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); | |
51 | MLX5_SET(set_flow_table_root_in, in, table_type, ft->type); | |
52 | MLX5_SET(set_flow_table_root_in, in, table_id, ft->id); | |
53 | ||
54 | memset(out, 0, sizeof(out)); | |
55 | return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, | |
56 | sizeof(out)); | |
57 | } | |
58 | ||
26a81453 MG |
59 | int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev, |
60 | enum fs_flow_table_type type, unsigned int level, | |
61 | unsigned int log_size, unsigned int *table_id) | |
62 | { | |
63 | u32 out[MLX5_ST_SZ_DW(create_flow_table_out)]; | |
64 | u32 in[MLX5_ST_SZ_DW(create_flow_table_in)]; | |
65 | int err; | |
66 | ||
67 | memset(in, 0, sizeof(in)); | |
68 | ||
69 | MLX5_SET(create_flow_table_in, in, opcode, | |
70 | MLX5_CMD_OP_CREATE_FLOW_TABLE); | |
71 | ||
72 | MLX5_SET(create_flow_table_in, in, table_type, type); | |
73 | MLX5_SET(create_flow_table_in, in, level, level); | |
74 | MLX5_SET(create_flow_table_in, in, log_size, log_size); | |
75 | ||
76 | memset(out, 0, sizeof(out)); | |
77 | err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, | |
78 | sizeof(out)); | |
79 | ||
80 | if (!err) | |
81 | *table_id = MLX5_GET(create_flow_table_out, out, | |
82 | table_id); | |
83 | return err; | |
84 | } | |
85 | ||
86 | int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev, | |
87 | struct mlx5_flow_table *ft) | |
88 | { | |
89 | u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)]; | |
90 | u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)]; | |
91 | ||
92 | memset(in, 0, sizeof(in)); | |
93 | memset(out, 0, sizeof(out)); | |
94 | ||
95 | MLX5_SET(destroy_flow_table_in, in, opcode, | |
96 | MLX5_CMD_OP_DESTROY_FLOW_TABLE); | |
97 | MLX5_SET(destroy_flow_table_in, in, table_type, ft->type); | |
98 | MLX5_SET(destroy_flow_table_in, in, table_id, ft->id); | |
99 | ||
100 | return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, | |
101 | sizeof(out)); | |
102 | } | |
103 | ||
34a40e68 MG |
104 | int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev, |
105 | struct mlx5_flow_table *ft, | |
106 | struct mlx5_flow_table *next_ft) | |
107 | { | |
108 | u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)]; | |
109 | u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)]; | |
110 | ||
111 | memset(in, 0, sizeof(in)); | |
112 | memset(out, 0, sizeof(out)); | |
113 | ||
114 | MLX5_SET(modify_flow_table_in, in, opcode, | |
115 | MLX5_CMD_OP_MODIFY_FLOW_TABLE); | |
116 | MLX5_SET(modify_flow_table_in, in, table_type, ft->type); | |
117 | MLX5_SET(modify_flow_table_in, in, table_id, ft->id); | |
118 | MLX5_SET(modify_flow_table_in, in, modify_field_select, | |
119 | MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID); | |
120 | if (next_ft) { | |
121 | MLX5_SET(modify_flow_table_in, in, table_miss_mode, 1); | |
122 | MLX5_SET(modify_flow_table_in, in, table_miss_id, next_ft->id); | |
123 | } else { | |
124 | MLX5_SET(modify_flow_table_in, in, table_miss_mode, 0); | |
125 | } | |
126 | ||
127 | return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, | |
128 | sizeof(out)); | |
129 | } | |
130 | ||
26a81453 MG |
131 | int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev, |
132 | struct mlx5_flow_table *ft, | |
133 | u32 *in, | |
134 | unsigned int *group_id) | |
135 | { | |
136 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); | |
137 | u32 out[MLX5_ST_SZ_DW(create_flow_group_out)]; | |
138 | int err; | |
139 | ||
140 | memset(out, 0, sizeof(out)); | |
141 | ||
142 | MLX5_SET(create_flow_group_in, in, opcode, | |
143 | MLX5_CMD_OP_CREATE_FLOW_GROUP); | |
144 | MLX5_SET(create_flow_group_in, in, table_type, ft->type); | |
145 | MLX5_SET(create_flow_group_in, in, table_id, ft->id); | |
146 | ||
147 | err = mlx5_cmd_exec_check_status(dev, in, | |
148 | inlen, out, | |
149 | sizeof(out)); | |
150 | if (!err) | |
151 | *group_id = MLX5_GET(create_flow_group_out, out, | |
152 | group_id); | |
153 | ||
154 | return err; | |
155 | } | |
156 | ||
157 | int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev, | |
158 | struct mlx5_flow_table *ft, | |
159 | unsigned int group_id) | |
160 | { | |
161 | u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)]; | |
162 | u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)]; | |
163 | ||
164 | memset(in, 0, sizeof(in)); | |
165 | memset(out, 0, sizeof(out)); | |
166 | ||
167 | MLX5_SET(destroy_flow_group_in, in, opcode, | |
168 | MLX5_CMD_OP_DESTROY_FLOW_GROUP); | |
169 | MLX5_SET(destroy_flow_group_in, in, table_type, ft->type); | |
170 | MLX5_SET(destroy_flow_group_in, in, table_id, ft->id); | |
171 | MLX5_SET(destroy_flow_group_in, in, group_id, group_id); | |
172 | ||
173 | return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, | |
174 | sizeof(out)); | |
175 | } | |
176 | ||
177 | static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, | |
178 | int opmod, int modify_mask, | |
179 | struct mlx5_flow_table *ft, | |
180 | unsigned group_id, | |
181 | struct fs_fte *fte) | |
182 | { | |
183 | unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) + | |
184 | fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct); | |
185 | u32 out[MLX5_ST_SZ_DW(set_fte_out)]; | |
186 | struct mlx5_flow_rule *dst; | |
187 | void *in_flow_context; | |
188 | void *in_match_value; | |
189 | void *in_dests; | |
190 | u32 *in; | |
191 | int err; | |
192 | ||
193 | in = mlx5_vzalloc(inlen); | |
194 | if (!in) { | |
195 | mlx5_core_warn(dev, "failed to allocate inbox\n"); | |
196 | return -ENOMEM; | |
197 | } | |
198 | ||
199 | MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY); | |
200 | MLX5_SET(set_fte_in, in, op_mod, opmod); | |
201 | MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask); | |
202 | MLX5_SET(set_fte_in, in, table_type, ft->type); | |
203 | MLX5_SET(set_fte_in, in, table_id, ft->id); | |
204 | MLX5_SET(set_fte_in, in, flow_index, fte->index); | |
205 | ||
206 | in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context); | |
207 | MLX5_SET(flow_context, in_flow_context, group_id, group_id); | |
208 | MLX5_SET(flow_context, in_flow_context, flow_tag, fte->flow_tag); | |
209 | MLX5_SET(flow_context, in_flow_context, action, fte->action); | |
210 | MLX5_SET(flow_context, in_flow_context, destination_list_size, | |
211 | fte->dests_size); | |
212 | in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context, | |
213 | match_value); | |
214 | memcpy(in_match_value, &fte->val, MLX5_ST_SZ_BYTES(fte_match_param)); | |
215 | ||
216 | in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination); | |
217 | list_for_each_entry(dst, &fte->node.children, node.list) { | |
218 | unsigned int id; | |
219 | ||
220 | MLX5_SET(dest_format_struct, in_dests, destination_type, | |
221 | dst->dest_attr.type); | |
222 | if (dst->dest_attr.type == | |
223 | MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) | |
224 | id = dst->dest_attr.ft->id; | |
225 | else | |
226 | id = dst->dest_attr.tir_num; | |
227 | MLX5_SET(dest_format_struct, in_dests, destination_id, id); | |
228 | in_dests += MLX5_ST_SZ_BYTES(dest_format_struct); | |
229 | } | |
230 | memset(out, 0, sizeof(out)); | |
231 | err = mlx5_cmd_exec_check_status(dev, in, inlen, out, | |
232 | sizeof(out)); | |
233 | kvfree(in); | |
234 | ||
235 | return err; | |
236 | } | |
237 | ||
238 | int mlx5_cmd_create_fte(struct mlx5_core_dev *dev, | |
239 | struct mlx5_flow_table *ft, | |
240 | unsigned group_id, | |
241 | struct fs_fte *fte) | |
242 | { | |
243 | return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte); | |
244 | } | |
245 | ||
246 | int mlx5_cmd_update_fte(struct mlx5_core_dev *dev, | |
247 | struct mlx5_flow_table *ft, | |
248 | unsigned group_id, | |
249 | struct fs_fte *fte) | |
250 | { | |
251 | int opmod; | |
252 | int modify_mask; | |
253 | int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev, | |
254 | flow_table_properties_nic_receive. | |
255 | flow_modify_en); | |
256 | if (!atomic_mod_cap) | |
257 | return -ENOTSUPP; | |
258 | opmod = 1; | |
259 | modify_mask = 1 << | |
260 | MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST; | |
261 | ||
262 | return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte); | |
263 | } | |
264 | ||
265 | int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev, | |
266 | struct mlx5_flow_table *ft, | |
267 | unsigned int index) | |
268 | { | |
269 | u32 out[MLX5_ST_SZ_DW(delete_fte_out)]; | |
270 | u32 in[MLX5_ST_SZ_DW(delete_fte_in)]; | |
271 | int err; | |
272 | ||
273 | memset(in, 0, sizeof(in)); | |
274 | memset(out, 0, sizeof(out)); | |
275 | ||
276 | MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY); | |
277 | MLX5_SET(delete_fte_in, in, table_type, ft->type); | |
278 | MLX5_SET(delete_fte_in, in, table_id, ft->id); | |
279 | MLX5_SET(delete_fte_in, in, flow_index, index); | |
280 | ||
281 | err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out)); | |
282 | ||
283 | return err; | |
284 | } |