This source file includes following definitions.
- mlx5dr_table_set_miss_action
- dr_table_uninit_nic
- dr_table_uninit_fdb
- dr_table_uninit
- dr_table_init_nic
- dr_table_init_fdb
- dr_table_init
- dr_table_destroy_sw_owned_tbl
- dr_table_create_sw_owned_tbl
- mlx5dr_table_create
- mlx5dr_table_destroy
- mlx5dr_table_get_id
1
2
3
4 #include "dr_types.h"
5
6 int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
7 struct mlx5dr_action *action)
8 {
9 struct mlx5dr_matcher *last_matcher = NULL;
10 struct mlx5dr_htbl_connect_info info;
11 struct mlx5dr_ste_htbl *last_htbl;
12 int ret;
13
14 if (action && action->action_type != DR_ACTION_TYP_FT)
15 return -EOPNOTSUPP;
16
17 mutex_lock(&tbl->dmn->mutex);
18
19 if (!list_empty(&tbl->matcher_list))
20 last_matcher = list_last_entry(&tbl->matcher_list,
21 struct mlx5dr_matcher,
22 matcher_list);
23
24 if (tbl->dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX ||
25 tbl->dmn->type == MLX5DR_DOMAIN_TYPE_FDB) {
26 if (last_matcher)
27 last_htbl = last_matcher->rx.e_anchor;
28 else
29 last_htbl = tbl->rx.s_anchor;
30
31 tbl->rx.default_icm_addr = action ?
32 action->dest_tbl.tbl->rx.s_anchor->chunk->icm_addr :
33 tbl->rx.nic_dmn->default_icm_addr;
34
35 info.type = CONNECT_MISS;
36 info.miss_icm_addr = tbl->rx.default_icm_addr;
37
38 ret = mlx5dr_ste_htbl_init_and_postsend(tbl->dmn,
39 tbl->rx.nic_dmn,
40 last_htbl,
41 &info, true);
42 if (ret) {
43 mlx5dr_dbg(tbl->dmn, "Failed to set RX miss action, ret %d\n", ret);
44 goto out;
45 }
46 }
47
48 if (tbl->dmn->type == MLX5DR_DOMAIN_TYPE_NIC_TX ||
49 tbl->dmn->type == MLX5DR_DOMAIN_TYPE_FDB) {
50 if (last_matcher)
51 last_htbl = last_matcher->tx.e_anchor;
52 else
53 last_htbl = tbl->tx.s_anchor;
54
55 tbl->tx.default_icm_addr = action ?
56 action->dest_tbl.tbl->tx.s_anchor->chunk->icm_addr :
57 tbl->tx.nic_dmn->default_icm_addr;
58
59 info.type = CONNECT_MISS;
60 info.miss_icm_addr = tbl->tx.default_icm_addr;
61
62 ret = mlx5dr_ste_htbl_init_and_postsend(tbl->dmn,
63 tbl->tx.nic_dmn,
64 last_htbl, &info, true);
65 if (ret) {
66 mlx5dr_dbg(tbl->dmn, "Failed to set TX miss action, ret %d\n", ret);
67 goto out;
68 }
69 }
70
71
72 if (tbl->miss_action)
73 refcount_dec(&tbl->miss_action->refcount);
74
75
76 tbl->miss_action = action;
77 if (tbl->miss_action)
78 refcount_inc(&action->refcount);
79
80 out:
81 mutex_unlock(&tbl->dmn->mutex);
82 return ret;
83 }
84
85 static void dr_table_uninit_nic(struct mlx5dr_table_rx_tx *nic_tbl)
86 {
87 mlx5dr_htbl_put(nic_tbl->s_anchor);
88 }
89
90 static void dr_table_uninit_fdb(struct mlx5dr_table *tbl)
91 {
92 dr_table_uninit_nic(&tbl->rx);
93 dr_table_uninit_nic(&tbl->tx);
94 }
95
96 static void dr_table_uninit(struct mlx5dr_table *tbl)
97 {
98 mutex_lock(&tbl->dmn->mutex);
99
100 switch (tbl->dmn->type) {
101 case MLX5DR_DOMAIN_TYPE_NIC_RX:
102 dr_table_uninit_nic(&tbl->rx);
103 break;
104 case MLX5DR_DOMAIN_TYPE_NIC_TX:
105 dr_table_uninit_nic(&tbl->tx);
106 break;
107 case MLX5DR_DOMAIN_TYPE_FDB:
108 dr_table_uninit_fdb(tbl);
109 break;
110 default:
111 WARN_ON(true);
112 break;
113 }
114
115 mutex_unlock(&tbl->dmn->mutex);
116 }
117
118 static int dr_table_init_nic(struct mlx5dr_domain *dmn,
119 struct mlx5dr_table_rx_tx *nic_tbl)
120 {
121 struct mlx5dr_domain_rx_tx *nic_dmn = nic_tbl->nic_dmn;
122 struct mlx5dr_htbl_connect_info info;
123 int ret;
124
125 nic_tbl->default_icm_addr = nic_dmn->default_icm_addr;
126
127 nic_tbl->s_anchor = mlx5dr_ste_htbl_alloc(dmn->ste_icm_pool,
128 DR_CHUNK_SIZE_1,
129 MLX5DR_STE_LU_TYPE_DONT_CARE,
130 0);
131 if (!nic_tbl->s_anchor)
132 return -ENOMEM;
133
134 info.type = CONNECT_MISS;
135 info.miss_icm_addr = nic_dmn->default_icm_addr;
136 ret = mlx5dr_ste_htbl_init_and_postsend(dmn, nic_dmn,
137 nic_tbl->s_anchor,
138 &info, true);
139 if (ret)
140 goto free_s_anchor;
141
142 mlx5dr_htbl_get(nic_tbl->s_anchor);
143
144 return 0;
145
146 free_s_anchor:
147 mlx5dr_ste_htbl_free(nic_tbl->s_anchor);
148 return ret;
149 }
150
151 static int dr_table_init_fdb(struct mlx5dr_table *tbl)
152 {
153 int ret;
154
155 ret = dr_table_init_nic(tbl->dmn, &tbl->rx);
156 if (ret)
157 return ret;
158
159 ret = dr_table_init_nic(tbl->dmn, &tbl->tx);
160 if (ret)
161 goto destroy_rx;
162
163 return 0;
164
165 destroy_rx:
166 dr_table_uninit_nic(&tbl->rx);
167 return ret;
168 }
169
170 static int dr_table_init(struct mlx5dr_table *tbl)
171 {
172 int ret = 0;
173
174 INIT_LIST_HEAD(&tbl->matcher_list);
175
176 mutex_lock(&tbl->dmn->mutex);
177
178 switch (tbl->dmn->type) {
179 case MLX5DR_DOMAIN_TYPE_NIC_RX:
180 tbl->table_type = MLX5_FLOW_TABLE_TYPE_NIC_RX;
181 tbl->rx.nic_dmn = &tbl->dmn->info.rx;
182 ret = dr_table_init_nic(tbl->dmn, &tbl->rx);
183 break;
184 case MLX5DR_DOMAIN_TYPE_NIC_TX:
185 tbl->table_type = MLX5_FLOW_TABLE_TYPE_NIC_TX;
186 tbl->tx.nic_dmn = &tbl->dmn->info.tx;
187 ret = dr_table_init_nic(tbl->dmn, &tbl->tx);
188 break;
189 case MLX5DR_DOMAIN_TYPE_FDB:
190 tbl->table_type = MLX5_FLOW_TABLE_TYPE_FDB;
191 tbl->rx.nic_dmn = &tbl->dmn->info.rx;
192 tbl->tx.nic_dmn = &tbl->dmn->info.tx;
193 ret = dr_table_init_fdb(tbl);
194 break;
195 default:
196 WARN_ON(true);
197 break;
198 }
199
200 mutex_unlock(&tbl->dmn->mutex);
201
202 return ret;
203 }
204
205 static int dr_table_destroy_sw_owned_tbl(struct mlx5dr_table *tbl)
206 {
207 return mlx5dr_cmd_destroy_flow_table(tbl->dmn->mdev,
208 tbl->table_id,
209 tbl->table_type);
210 }
211
212 static int dr_table_create_sw_owned_tbl(struct mlx5dr_table *tbl)
213 {
214 u64 icm_addr_rx = 0;
215 u64 icm_addr_tx = 0;
216 int ret;
217
218 if (tbl->rx.s_anchor)
219 icm_addr_rx = tbl->rx.s_anchor->chunk->icm_addr;
220
221 if (tbl->tx.s_anchor)
222 icm_addr_tx = tbl->tx.s_anchor->chunk->icm_addr;
223
224 ret = mlx5dr_cmd_create_flow_table(tbl->dmn->mdev,
225 tbl->table_type,
226 icm_addr_rx,
227 icm_addr_tx,
228 tbl->dmn->info.caps.max_ft_level - 1,
229 true, false, NULL,
230 &tbl->table_id);
231
232 return ret;
233 }
234
235 struct mlx5dr_table *mlx5dr_table_create(struct mlx5dr_domain *dmn, u32 level)
236 {
237 struct mlx5dr_table *tbl;
238 int ret;
239
240 refcount_inc(&dmn->refcount);
241
242 tbl = kzalloc(sizeof(*tbl), GFP_KERNEL);
243 if (!tbl)
244 goto dec_ref;
245
246 tbl->dmn = dmn;
247 tbl->level = level;
248 refcount_set(&tbl->refcount, 1);
249
250 ret = dr_table_init(tbl);
251 if (ret)
252 goto free_tbl;
253
254 ret = dr_table_create_sw_owned_tbl(tbl);
255 if (ret)
256 goto uninit_tbl;
257
258 return tbl;
259
260 uninit_tbl:
261 dr_table_uninit(tbl);
262 free_tbl:
263 kfree(tbl);
264 dec_ref:
265 refcount_dec(&dmn->refcount);
266 return NULL;
267 }
268
269 int mlx5dr_table_destroy(struct mlx5dr_table *tbl)
270 {
271 int ret;
272
273 if (refcount_read(&tbl->refcount) > 1)
274 return -EBUSY;
275
276 ret = dr_table_destroy_sw_owned_tbl(tbl);
277 if (ret)
278 return ret;
279
280 dr_table_uninit(tbl);
281
282 if (tbl->miss_action)
283 refcount_dec(&tbl->miss_action->refcount);
284
285 refcount_dec(&tbl->dmn->refcount);
286 kfree(tbl);
287
288 return ret;
289 }
290
291 u32 mlx5dr_table_get_id(struct mlx5dr_table *tbl)
292 {
293 return tbl->table_id;
294 }