1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
3
4 #include <linux/kernel.h>
5 #include <linux/bitops.h>
6 #include <linux/if_vlan.h>
7 #include <linux/if_bridge.h>
8 #include <linux/netdevice.h>
9 #include <linux/rhashtable.h>
10 #include <linux/rtnetlink.h>
11 #include <linux/refcount.h>
12
13 #include "spectrum.h"
14 #include "reg.h"
15
16 struct mlxsw_sp_fid_family;
17
18 struct mlxsw_sp_fid_core {
19 struct rhashtable fid_ht;
20 struct rhashtable vni_ht;
21 struct mlxsw_sp_fid_family *fid_family_arr[MLXSW_SP_FID_TYPE_MAX];
22 unsigned int *port_fid_mappings;
23 };
24
25 struct mlxsw_sp_fid_port_vid {
26 struct list_head list;
27 u16 local_port;
28 u16 vid;
29 };
30
31 struct mlxsw_sp_fid {
32 struct list_head list;
33 struct mlxsw_sp_rif *rif;
34 refcount_t ref_count;
35 u16 fid_index;
36 u16 fid_offset;
37 struct mlxsw_sp_fid_family *fid_family;
38 struct rhash_head ht_node;
39
40 struct rhash_head vni_ht_node;
41 enum mlxsw_sp_nve_type nve_type;
42 __be32 vni;
43 u32 nve_flood_index;
44 int nve_ifindex;
45 u8 vni_valid:1,
46 nve_flood_index_valid:1;
47 struct list_head port_vid_list; /* Ordered by local port. */
48 };
49
50 struct mlxsw_sp_fid_8021q {
51 struct mlxsw_sp_fid common;
52 u16 vid;
53 };
54
55 struct mlxsw_sp_fid_8021d {
56 struct mlxsw_sp_fid common;
57 int br_ifindex;
58 };
59
60 static const struct rhashtable_params mlxsw_sp_fid_ht_params = {
61 .key_len = sizeof_field(struct mlxsw_sp_fid, fid_index),
62 .key_offset = offsetof(struct mlxsw_sp_fid, fid_index),
63 .head_offset = offsetof(struct mlxsw_sp_fid, ht_node),
64 };
65
66 static const struct rhashtable_params mlxsw_sp_fid_vni_ht_params = {
67 .key_len = sizeof_field(struct mlxsw_sp_fid, vni),
68 .key_offset = offsetof(struct mlxsw_sp_fid, vni),
69 .head_offset = offsetof(struct mlxsw_sp_fid, vni_ht_node),
70 };
71
72 struct mlxsw_sp_flood_table {
73 enum mlxsw_sp_flood_type packet_type;
74 enum mlxsw_flood_table_type table_type;
75 int table_index;
76 };
77
78 struct mlxsw_sp_fid_ops {
79 void (*setup)(struct mlxsw_sp_fid *fid, const void *arg);
80 int (*configure)(struct mlxsw_sp_fid *fid);
81 void (*deconfigure)(struct mlxsw_sp_fid *fid);
82 int (*index_alloc)(struct mlxsw_sp_fid *fid, const void *arg,
83 u16 *p_fid_index);
84 bool (*compare)(const struct mlxsw_sp_fid *fid,
85 const void *arg);
86 int (*port_vid_map)(struct mlxsw_sp_fid *fid,
87 struct mlxsw_sp_port *port, u16 vid);
88 void (*port_vid_unmap)(struct mlxsw_sp_fid *fid,
89 struct mlxsw_sp_port *port, u16 vid);
90 int (*vni_set)(struct mlxsw_sp_fid *fid);
91 void (*vni_clear)(struct mlxsw_sp_fid *fid);
92 int (*nve_flood_index_set)(struct mlxsw_sp_fid *fid);
93 void (*nve_flood_index_clear)(struct mlxsw_sp_fid *fid);
94 void (*fdb_clear_offload)(const struct mlxsw_sp_fid *fid,
95 const struct net_device *nve_dev);
96 int (*vid_to_fid_rif_update)(const struct mlxsw_sp_fid *fid,
97 const struct mlxsw_sp_rif *rif);
98 };
99
100 struct mlxsw_sp_fid_family {
101 enum mlxsw_sp_fid_type type;
102 size_t fid_size;
103 u16 start_index;
104 u16 end_index;
105 struct list_head fids_list;
106 unsigned long *fids_bitmap;
107 const struct mlxsw_sp_flood_table *flood_tables;
108 int nr_flood_tables;
109 enum mlxsw_sp_rif_type rif_type;
110 const struct mlxsw_sp_fid_ops *ops;
111 struct mlxsw_sp *mlxsw_sp;
112 bool flood_rsp;
113 enum mlxsw_reg_bridge_type bridge_type;
114 u16 pgt_base;
115 bool smpe_index_valid;
116 };
117
118 static const int mlxsw_sp_sfgc_uc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
119 [MLXSW_REG_SFGC_TYPE_UNKNOWN_UNICAST] = 1,
120 };
121
122 static const int mlxsw_sp_sfgc_bc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
123 [MLXSW_REG_SFGC_TYPE_BROADCAST] = 1,
124 [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP] = 1,
125 [MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL] = 1,
126 [MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST] = 1,
127 [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1,
128 };
129
130 static const int mlxsw_sp_sfgc_mc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
131 [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4] = 1,
132 };
133
134 static const int *mlxsw_sp_packet_type_sfgc_types[] = {
135 [MLXSW_SP_FLOOD_TYPE_UC] = mlxsw_sp_sfgc_uc_packet_types,
136 [MLXSW_SP_FLOOD_TYPE_BC] = mlxsw_sp_sfgc_bc_packet_types,
137 [MLXSW_SP_FLOOD_TYPE_MC] = mlxsw_sp_sfgc_mc_packet_types,
138 };
139
mlxsw_sp_fid_is_dummy(struct mlxsw_sp * mlxsw_sp,u16 fid_index)140 bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index)
141 {
142 enum mlxsw_sp_fid_type fid_type = MLXSW_SP_FID_TYPE_DUMMY;
143 struct mlxsw_sp_fid_family *fid_family;
144
145 fid_family = mlxsw_sp->fid_core->fid_family_arr[fid_type];
146
147 return fid_family->start_index == fid_index;
148 }
149
mlxsw_sp_fid_lookup_by_index(struct mlxsw_sp * mlxsw_sp,u16 fid_index)150 struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_index(struct mlxsw_sp *mlxsw_sp,
151 u16 fid_index)
152 {
153 struct mlxsw_sp_fid *fid;
154
155 fid = rhashtable_lookup_fast(&mlxsw_sp->fid_core->fid_ht, &fid_index,
156 mlxsw_sp_fid_ht_params);
157 if (fid)
158 refcount_inc(&fid->ref_count);
159
160 return fid;
161 }
162
mlxsw_sp_fid_nve_ifindex(const struct mlxsw_sp_fid * fid,int * nve_ifindex)163 int mlxsw_sp_fid_nve_ifindex(const struct mlxsw_sp_fid *fid, int *nve_ifindex)
164 {
165 if (!fid->vni_valid)
166 return -EINVAL;
167
168 *nve_ifindex = fid->nve_ifindex;
169
170 return 0;
171 }
172
mlxsw_sp_fid_nve_type(const struct mlxsw_sp_fid * fid,enum mlxsw_sp_nve_type * p_type)173 int mlxsw_sp_fid_nve_type(const struct mlxsw_sp_fid *fid,
174 enum mlxsw_sp_nve_type *p_type)
175 {
176 if (!fid->vni_valid)
177 return -EINVAL;
178
179 *p_type = fid->nve_type;
180
181 return 0;
182 }
183
mlxsw_sp_fid_lookup_by_vni(struct mlxsw_sp * mlxsw_sp,__be32 vni)184 struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_vni(struct mlxsw_sp *mlxsw_sp,
185 __be32 vni)
186 {
187 struct mlxsw_sp_fid *fid;
188
189 fid = rhashtable_lookup_fast(&mlxsw_sp->fid_core->vni_ht, &vni,
190 mlxsw_sp_fid_vni_ht_params);
191 if (fid)
192 refcount_inc(&fid->ref_count);
193
194 return fid;
195 }
196
mlxsw_sp_fid_vni(const struct mlxsw_sp_fid * fid,__be32 * vni)197 int mlxsw_sp_fid_vni(const struct mlxsw_sp_fid *fid, __be32 *vni)
198 {
199 if (!fid->vni_valid)
200 return -EINVAL;
201
202 *vni = fid->vni;
203
204 return 0;
205 }
206
mlxsw_sp_fid_nve_flood_index_set(struct mlxsw_sp_fid * fid,u32 nve_flood_index)207 int mlxsw_sp_fid_nve_flood_index_set(struct mlxsw_sp_fid *fid,
208 u32 nve_flood_index)
209 {
210 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
211 const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
212 int err;
213
214 if (WARN_ON(fid->nve_flood_index_valid))
215 return -EINVAL;
216
217 fid->nve_flood_index = nve_flood_index;
218 fid->nve_flood_index_valid = true;
219 err = ops->nve_flood_index_set(fid);
220 if (err)
221 goto err_nve_flood_index_set;
222
223 return 0;
224
225 err_nve_flood_index_set:
226 fid->nve_flood_index_valid = false;
227 return err;
228 }
229
mlxsw_sp_fid_nve_flood_index_clear(struct mlxsw_sp_fid * fid)230 void mlxsw_sp_fid_nve_flood_index_clear(struct mlxsw_sp_fid *fid)
231 {
232 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
233 const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
234
235 if (WARN_ON(!fid->nve_flood_index_valid))
236 return;
237
238 fid->nve_flood_index_valid = false;
239 ops->nve_flood_index_clear(fid);
240 }
241
mlxsw_sp_fid_nve_flood_index_is_set(const struct mlxsw_sp_fid * fid)242 bool mlxsw_sp_fid_nve_flood_index_is_set(const struct mlxsw_sp_fid *fid)
243 {
244 return fid->nve_flood_index_valid;
245 }
246
mlxsw_sp_fid_vni_set(struct mlxsw_sp_fid * fid,enum mlxsw_sp_nve_type type,__be32 vni,int nve_ifindex)247 int mlxsw_sp_fid_vni_set(struct mlxsw_sp_fid *fid, enum mlxsw_sp_nve_type type,
248 __be32 vni, int nve_ifindex)
249 {
250 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
251 const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
252 struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
253 int err;
254
255 if (WARN_ON(fid->vni_valid))
256 return -EINVAL;
257
258 fid->nve_type = type;
259 fid->nve_ifindex = nve_ifindex;
260 fid->vni = vni;
261 err = rhashtable_lookup_insert_fast(&mlxsw_sp->fid_core->vni_ht,
262 &fid->vni_ht_node,
263 mlxsw_sp_fid_vni_ht_params);
264 if (err)
265 return err;
266
267 fid->vni_valid = true;
268 err = ops->vni_set(fid);
269 if (err)
270 goto err_vni_set;
271
272 return 0;
273
274 err_vni_set:
275 fid->vni_valid = false;
276 rhashtable_remove_fast(&mlxsw_sp->fid_core->vni_ht, &fid->vni_ht_node,
277 mlxsw_sp_fid_vni_ht_params);
278 return err;
279 }
280
mlxsw_sp_fid_vni_clear(struct mlxsw_sp_fid * fid)281 void mlxsw_sp_fid_vni_clear(struct mlxsw_sp_fid *fid)
282 {
283 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
284 const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
285 struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
286
287 if (WARN_ON(!fid->vni_valid))
288 return;
289
290 fid->vni_valid = false;
291 ops->vni_clear(fid);
292 rhashtable_remove_fast(&mlxsw_sp->fid_core->vni_ht, &fid->vni_ht_node,
293 mlxsw_sp_fid_vni_ht_params);
294 }
295
mlxsw_sp_fid_vni_is_set(const struct mlxsw_sp_fid * fid)296 bool mlxsw_sp_fid_vni_is_set(const struct mlxsw_sp_fid *fid)
297 {
298 return fid->vni_valid;
299 }
300
mlxsw_sp_fid_fdb_clear_offload(const struct mlxsw_sp_fid * fid,const struct net_device * nve_dev)301 void mlxsw_sp_fid_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
302 const struct net_device *nve_dev)
303 {
304 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
305 const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
306
307 if (ops->fdb_clear_offload)
308 ops->fdb_clear_offload(fid, nve_dev);
309 }
310
311 static const struct mlxsw_sp_flood_table *
mlxsw_sp_fid_flood_table_lookup(const struct mlxsw_sp_fid * fid,enum mlxsw_sp_flood_type packet_type)312 mlxsw_sp_fid_flood_table_lookup(const struct mlxsw_sp_fid *fid,
313 enum mlxsw_sp_flood_type packet_type)
314 {
315 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
316 int i;
317
318 for (i = 0; i < fid_family->nr_flood_tables; i++) {
319 if (fid_family->flood_tables[i].packet_type != packet_type)
320 continue;
321 return &fid_family->flood_tables[i];
322 }
323
324 return NULL;
325 }
326
327 static u16
mlxsw_sp_fid_family_num_fids(const struct mlxsw_sp_fid_family * fid_family)328 mlxsw_sp_fid_family_num_fids(const struct mlxsw_sp_fid_family *fid_family)
329 {
330 return fid_family->end_index - fid_family->start_index + 1;
331 }
332
333 static u16
mlxsw_sp_fid_flood_table_mid(const struct mlxsw_sp_fid_family * fid_family,const struct mlxsw_sp_flood_table * flood_table,u16 fid_offset)334 mlxsw_sp_fid_flood_table_mid(const struct mlxsw_sp_fid_family *fid_family,
335 const struct mlxsw_sp_flood_table *flood_table,
336 u16 fid_offset)
337 {
338 u16 num_fids;
339
340 num_fids = mlxsw_sp_fid_family_num_fids(fid_family);
341 return fid_family->pgt_base + num_fids * flood_table->table_index +
342 fid_offset;
343 }
344
mlxsw_sp_fid_flood_set(struct mlxsw_sp_fid * fid,enum mlxsw_sp_flood_type packet_type,u16 local_port,bool member)345 int mlxsw_sp_fid_flood_set(struct mlxsw_sp_fid *fid,
346 enum mlxsw_sp_flood_type packet_type, u16 local_port,
347 bool member)
348 {
349 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
350 const struct mlxsw_sp_flood_table *flood_table;
351 u16 mid_index;
352
353 if (WARN_ON(!fid_family->flood_tables))
354 return -EINVAL;
355
356 flood_table = mlxsw_sp_fid_flood_table_lookup(fid, packet_type);
357 if (!flood_table)
358 return -ESRCH;
359
360 mid_index = mlxsw_sp_fid_flood_table_mid(fid_family, flood_table,
361 fid->fid_offset);
362 return mlxsw_sp_pgt_entry_port_set(fid_family->mlxsw_sp, mid_index,
363 fid->fid_index, local_port, member);
364 }
365
mlxsw_sp_fid_port_vid_map(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)366 int mlxsw_sp_fid_port_vid_map(struct mlxsw_sp_fid *fid,
367 struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
368 {
369 if (WARN_ON(!fid->fid_family->ops->port_vid_map))
370 return -EINVAL;
371 return fid->fid_family->ops->port_vid_map(fid, mlxsw_sp_port, vid);
372 }
373
mlxsw_sp_fid_port_vid_unmap(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)374 void mlxsw_sp_fid_port_vid_unmap(struct mlxsw_sp_fid *fid,
375 struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
376 {
377 fid->fid_family->ops->port_vid_unmap(fid, mlxsw_sp_port, vid);
378 }
379
mlxsw_sp_fid_index(const struct mlxsw_sp_fid * fid)380 u16 mlxsw_sp_fid_index(const struct mlxsw_sp_fid *fid)
381 {
382 return fid->fid_index;
383 }
384
mlxsw_sp_fid_type(const struct mlxsw_sp_fid * fid)385 enum mlxsw_sp_fid_type mlxsw_sp_fid_type(const struct mlxsw_sp_fid *fid)
386 {
387 return fid->fid_family->type;
388 }
389
mlxsw_sp_fid_rif(const struct mlxsw_sp_fid * fid)390 struct mlxsw_sp_rif *mlxsw_sp_fid_rif(const struct mlxsw_sp_fid *fid)
391 {
392 return fid->rif;
393 }
394
395 enum mlxsw_sp_rif_type
mlxsw_sp_fid_type_rif_type(const struct mlxsw_sp * mlxsw_sp,enum mlxsw_sp_fid_type type)396 mlxsw_sp_fid_type_rif_type(const struct mlxsw_sp *mlxsw_sp,
397 enum mlxsw_sp_fid_type type)
398 {
399 struct mlxsw_sp_fid_core *fid_core = mlxsw_sp->fid_core;
400
401 return fid_core->fid_family_arr[type]->rif_type;
402 }
403
404 static struct mlxsw_sp_fid_8021q *
mlxsw_sp_fid_8021q_fid(const struct mlxsw_sp_fid * fid)405 mlxsw_sp_fid_8021q_fid(const struct mlxsw_sp_fid *fid)
406 {
407 return container_of(fid, struct mlxsw_sp_fid_8021q, common);
408 }
409
mlxsw_sp_fid_8021q_vid(const struct mlxsw_sp_fid * fid)410 u16 mlxsw_sp_fid_8021q_vid(const struct mlxsw_sp_fid *fid)
411 {
412 return mlxsw_sp_fid_8021q_fid(fid)->vid;
413 }
414
mlxsw_sp_fid_8021q_setup(struct mlxsw_sp_fid * fid,const void * arg)415 static void mlxsw_sp_fid_8021q_setup(struct mlxsw_sp_fid *fid, const void *arg)
416 {
417 u16 vid = *(u16 *) arg;
418
419 mlxsw_sp_fid_8021q_fid(fid)->vid = vid;
420 fid->fid_offset = fid->fid_index - fid->fid_family->start_index;
421 }
422
mlxsw_sp_sfmr_op(bool valid)423 static enum mlxsw_reg_sfmr_op mlxsw_sp_sfmr_op(bool valid)
424 {
425 return valid ? MLXSW_REG_SFMR_OP_CREATE_FID :
426 MLXSW_REG_SFMR_OP_DESTROY_FID;
427 }
428
mlxsw_sp_fid_op(const struct mlxsw_sp_fid * fid,bool valid)429 static int mlxsw_sp_fid_op(const struct mlxsw_sp_fid *fid, bool valid)
430 {
431 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
432 char sfmr_pl[MLXSW_REG_SFMR_LEN];
433 u16 smpe;
434
435 smpe = fid->fid_family->smpe_index_valid ? fid->fid_index : 0;
436
437 mlxsw_reg_sfmr_pack(sfmr_pl, mlxsw_sp_sfmr_op(valid), fid->fid_index,
438 fid->fid_offset, fid->fid_family->flood_rsp,
439 fid->fid_family->bridge_type,
440 fid->fid_family->smpe_index_valid, smpe);
441 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
442 }
443
mlxsw_sp_fid_edit_op(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)444 static int mlxsw_sp_fid_edit_op(const struct mlxsw_sp_fid *fid,
445 const struct mlxsw_sp_rif *rif)
446 {
447 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
448 char sfmr_pl[MLXSW_REG_SFMR_LEN];
449 u16 smpe;
450
451 smpe = fid->fid_family->smpe_index_valid ? fid->fid_index : 0;
452
453 mlxsw_reg_sfmr_pack(sfmr_pl, MLXSW_REG_SFMR_OP_CREATE_FID,
454 fid->fid_index, fid->fid_offset,
455 fid->fid_family->flood_rsp,
456 fid->fid_family->bridge_type,
457 fid->fid_family->smpe_index_valid, smpe);
458 mlxsw_reg_sfmr_vv_set(sfmr_pl, fid->vni_valid);
459 mlxsw_reg_sfmr_vni_set(sfmr_pl, be32_to_cpu(fid->vni));
460 mlxsw_reg_sfmr_vtfp_set(sfmr_pl, fid->nve_flood_index_valid);
461 mlxsw_reg_sfmr_nve_tunnel_flood_ptr_set(sfmr_pl, fid->nve_flood_index);
462
463 if (rif) {
464 mlxsw_reg_sfmr_irif_v_set(sfmr_pl, true);
465 mlxsw_reg_sfmr_irif_set(sfmr_pl, mlxsw_sp_rif_index(rif));
466 }
467
468 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfmr), sfmr_pl);
469 }
470
mlxsw_sp_fid_vni_to_fid_map(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif,bool valid)471 static int mlxsw_sp_fid_vni_to_fid_map(const struct mlxsw_sp_fid *fid,
472 const struct mlxsw_sp_rif *rif,
473 bool valid)
474 {
475 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
476 char svfa_pl[MLXSW_REG_SVFA_LEN];
477 bool irif_valid;
478 u16 irif_index;
479
480 irif_valid = !!rif;
481 irif_index = rif ? mlxsw_sp_rif_index(rif) : 0;
482
483 mlxsw_reg_svfa_vni_pack(svfa_pl, valid, fid->fid_index,
484 be32_to_cpu(fid->vni), irif_valid, irif_index);
485 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
486 }
487
mlxsw_sp_fid_to_fid_rif_update(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)488 static int mlxsw_sp_fid_to_fid_rif_update(const struct mlxsw_sp_fid *fid,
489 const struct mlxsw_sp_rif *rif)
490 {
491 return mlxsw_sp_fid_edit_op(fid, rif);
492 }
493
mlxsw_sp_fid_vni_to_fid_rif_update(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)494 static int mlxsw_sp_fid_vni_to_fid_rif_update(const struct mlxsw_sp_fid *fid,
495 const struct mlxsw_sp_rif *rif)
496 {
497 if (!fid->vni_valid)
498 return 0;
499
500 return mlxsw_sp_fid_vni_to_fid_map(fid, rif, fid->vni_valid);
501 }
502
503 static int
mlxsw_sp_fid_vid_to_fid_map(const struct mlxsw_sp_fid * fid,u16 vid,bool valid,const struct mlxsw_sp_rif * rif)504 mlxsw_sp_fid_vid_to_fid_map(const struct mlxsw_sp_fid *fid, u16 vid, bool valid,
505 const struct mlxsw_sp_rif *rif)
506 {
507 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
508 char svfa_pl[MLXSW_REG_SVFA_LEN];
509 bool irif_valid;
510 u16 irif_index;
511
512 irif_valid = !!rif;
513 irif_index = rif ? mlxsw_sp_rif_index(rif) : 0;
514
515 mlxsw_reg_svfa_vid_pack(svfa_pl, valid, fid->fid_index, vid, irif_valid,
516 irif_index);
517 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
518 }
519
520 static int
mlxsw_sp_fid_8021q_vid_to_fid_rif_update(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)521 mlxsw_sp_fid_8021q_vid_to_fid_rif_update(const struct mlxsw_sp_fid *fid,
522 const struct mlxsw_sp_rif *rif)
523 {
524 struct mlxsw_sp_fid_8021q *fid_8021q = mlxsw_sp_fid_8021q_fid(fid);
525
526 /* Update the global VID => FID mapping we created when the FID was
527 * configured.
528 */
529 return mlxsw_sp_fid_vid_to_fid_map(fid, fid_8021q->vid, true, rif);
530 }
531
532 static int
mlxsw_sp_fid_port_vid_to_fid_rif_update_one(const struct mlxsw_sp_fid * fid,struct mlxsw_sp_fid_port_vid * pv,bool irif_valid,u16 irif_index)533 mlxsw_sp_fid_port_vid_to_fid_rif_update_one(const struct mlxsw_sp_fid *fid,
534 struct mlxsw_sp_fid_port_vid *pv,
535 bool irif_valid, u16 irif_index)
536 {
537 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
538 char svfa_pl[MLXSW_REG_SVFA_LEN];
539
540 mlxsw_reg_svfa_port_vid_pack(svfa_pl, pv->local_port, true,
541 fid->fid_index, pv->vid, irif_valid,
542 irif_index);
543
544 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
545 }
546
mlxsw_sp_fid_vid_to_fid_rif_set(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)547 static int mlxsw_sp_fid_vid_to_fid_rif_set(const struct mlxsw_sp_fid *fid,
548 const struct mlxsw_sp_rif *rif)
549 {
550 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
551 struct mlxsw_sp_fid_port_vid *pv;
552 u16 irif_index;
553 int err;
554
555 err = fid->fid_family->ops->vid_to_fid_rif_update(fid, rif);
556 if (err)
557 return err;
558
559 irif_index = mlxsw_sp_rif_index(rif);
560
561 list_for_each_entry(pv, &fid->port_vid_list, list) {
562 /* If port is not in virtual mode, then it does not have any
563 * {Port, VID}->FID mappings that need to be updated with the
564 * ingress RIF.
565 */
566 if (!mlxsw_sp->fid_core->port_fid_mappings[pv->local_port])
567 continue;
568
569 err = mlxsw_sp_fid_port_vid_to_fid_rif_update_one(fid, pv,
570 true,
571 irif_index);
572 if (err)
573 goto err_port_vid_to_fid_rif_update_one;
574 }
575
576 return 0;
577
578 err_port_vid_to_fid_rif_update_one:
579 list_for_each_entry_continue_reverse(pv, &fid->port_vid_list, list) {
580 if (!mlxsw_sp->fid_core->port_fid_mappings[pv->local_port])
581 continue;
582
583 mlxsw_sp_fid_port_vid_to_fid_rif_update_one(fid, pv, false, 0);
584 }
585
586 fid->fid_family->ops->vid_to_fid_rif_update(fid, NULL);
587 return err;
588 }
589
mlxsw_sp_fid_vid_to_fid_rif_unset(const struct mlxsw_sp_fid * fid)590 static void mlxsw_sp_fid_vid_to_fid_rif_unset(const struct mlxsw_sp_fid *fid)
591 {
592 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
593 struct mlxsw_sp_fid_port_vid *pv;
594
595 list_for_each_entry(pv, &fid->port_vid_list, list) {
596 /* If port is not in virtual mode, then it does not have any
597 * {Port, VID}->FID mappings that need to be updated.
598 */
599 if (!mlxsw_sp->fid_core->port_fid_mappings[pv->local_port])
600 continue;
601
602 mlxsw_sp_fid_port_vid_to_fid_rif_update_one(fid, pv, false, 0);
603 }
604
605 fid->fid_family->ops->vid_to_fid_rif_update(fid, NULL);
606 }
607
mlxsw_sp_fid_reiv_handle(struct mlxsw_sp_fid * fid,u16 rif_index,bool valid,u8 port_page)608 static int mlxsw_sp_fid_reiv_handle(struct mlxsw_sp_fid *fid, u16 rif_index,
609 bool valid, u8 port_page)
610 {
611 u16 local_port_end = (port_page + 1) * MLXSW_REG_REIV_REC_MAX_COUNT - 1;
612 u16 local_port_start = port_page * MLXSW_REG_REIV_REC_MAX_COUNT;
613 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
614 struct mlxsw_sp_fid_port_vid *port_vid;
615 u8 rec_num, entries_num = 0;
616 char *reiv_pl;
617 int err;
618
619 reiv_pl = kmalloc(MLXSW_REG_REIV_LEN, GFP_KERNEL);
620 if (!reiv_pl)
621 return -ENOMEM;
622
623 mlxsw_reg_reiv_pack(reiv_pl, port_page, rif_index);
624
625 list_for_each_entry(port_vid, &fid->port_vid_list, list) {
626 /* port_vid_list is sorted by local_port. */
627 if (port_vid->local_port < local_port_start)
628 continue;
629
630 if (port_vid->local_port > local_port_end)
631 break;
632
633 rec_num = port_vid->local_port % MLXSW_REG_REIV_REC_MAX_COUNT;
634 mlxsw_reg_reiv_rec_update_set(reiv_pl, rec_num, true);
635 mlxsw_reg_reiv_rec_evid_set(reiv_pl, rec_num,
636 valid ? port_vid->vid : 0);
637 entries_num++;
638 }
639
640 if (!entries_num) {
641 kfree(reiv_pl);
642 return 0;
643 }
644
645 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(reiv), reiv_pl);
646 if (err)
647 goto err_reg_write;
648
649 kfree(reiv_pl);
650 return 0;
651
652 err_reg_write:
653 kfree(reiv_pl);
654 return err;
655 }
656
mlxsw_sp_fid_erif_eport_to_vid_map(struct mlxsw_sp_fid * fid,u16 rif_index,bool valid)657 static int mlxsw_sp_fid_erif_eport_to_vid_map(struct mlxsw_sp_fid *fid,
658 u16 rif_index, bool valid)
659 {
660 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
661 u8 num_port_pages;
662 int err, i;
663
664 num_port_pages = mlxsw_core_max_ports(mlxsw_sp->core) /
665 MLXSW_REG_REIV_REC_MAX_COUNT + 1;
666
667 for (i = 0; i < num_port_pages; i++) {
668 err = mlxsw_sp_fid_reiv_handle(fid, rif_index, valid, i);
669 if (err)
670 goto err_reiv_handle;
671 }
672
673 return 0;
674
675 err_reiv_handle:
676 for (; i >= 0; i--)
677 mlxsw_sp_fid_reiv_handle(fid, rif_index, !valid, i);
678 return err;
679 }
680
mlxsw_sp_fid_rif_set(struct mlxsw_sp_fid * fid,struct mlxsw_sp_rif * rif)681 int mlxsw_sp_fid_rif_set(struct mlxsw_sp_fid *fid, struct mlxsw_sp_rif *rif)
682 {
683 u16 rif_index = mlxsw_sp_rif_index(rif);
684 int err;
685
686 err = mlxsw_sp_fid_to_fid_rif_update(fid, rif);
687 if (err)
688 return err;
689
690 err = mlxsw_sp_fid_vni_to_fid_rif_update(fid, rif);
691 if (err)
692 goto err_vni_to_fid_rif_update;
693
694 err = mlxsw_sp_fid_vid_to_fid_rif_set(fid, rif);
695 if (err)
696 goto err_vid_to_fid_rif_set;
697
698 err = mlxsw_sp_fid_erif_eport_to_vid_map(fid, rif_index, true);
699 if (err)
700 goto err_erif_eport_to_vid_map;
701
702 fid->rif = rif;
703 return 0;
704
705 err_erif_eport_to_vid_map:
706 mlxsw_sp_fid_vid_to_fid_rif_unset(fid);
707 err_vid_to_fid_rif_set:
708 mlxsw_sp_fid_vni_to_fid_rif_update(fid, NULL);
709 err_vni_to_fid_rif_update:
710 mlxsw_sp_fid_to_fid_rif_update(fid, NULL);
711 return err;
712 }
713
mlxsw_sp_fid_rif_unset(struct mlxsw_sp_fid * fid)714 void mlxsw_sp_fid_rif_unset(struct mlxsw_sp_fid *fid)
715 {
716 u16 rif_index;
717
718 if (!fid->rif)
719 return;
720
721 rif_index = mlxsw_sp_rif_index(fid->rif);
722 fid->rif = NULL;
723
724 mlxsw_sp_fid_erif_eport_to_vid_map(fid, rif_index, false);
725 mlxsw_sp_fid_vid_to_fid_rif_unset(fid);
726 mlxsw_sp_fid_vni_to_fid_rif_update(fid, NULL);
727 mlxsw_sp_fid_to_fid_rif_update(fid, NULL);
728 }
729
mlxsw_sp_fid_vni_op(const struct mlxsw_sp_fid * fid)730 static int mlxsw_sp_fid_vni_op(const struct mlxsw_sp_fid *fid)
731 {
732 int err;
733
734 err = mlxsw_sp_fid_vni_to_fid_map(fid, fid->rif, fid->vni_valid);
735 if (err)
736 return err;
737
738 err = mlxsw_sp_fid_edit_op(fid, fid->rif);
739 if (err)
740 goto err_fid_edit_op;
741
742 return 0;
743
744 err_fid_edit_op:
745 mlxsw_sp_fid_vni_to_fid_map(fid, fid->rif, !fid->vni_valid);
746 return err;
747 }
748
__mlxsw_sp_fid_port_vid_map(const struct mlxsw_sp_fid * fid,u16 local_port,u16 vid,bool valid)749 static int __mlxsw_sp_fid_port_vid_map(const struct mlxsw_sp_fid *fid,
750 u16 local_port, u16 vid, bool valid)
751 {
752 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
753 char svfa_pl[MLXSW_REG_SVFA_LEN];
754 bool irif_valid = false;
755 u16 irif_index = 0;
756
757 if (fid->rif) {
758 irif_valid = true;
759 irif_index = mlxsw_sp_rif_index(fid->rif);
760 }
761
762 mlxsw_reg_svfa_port_vid_pack(svfa_pl, local_port, valid, fid->fid_index,
763 vid, irif_valid, irif_index);
764 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svfa), svfa_pl);
765 }
766
767 static struct mlxsw_sp_fid_8021d *
mlxsw_sp_fid_8021d_fid(const struct mlxsw_sp_fid * fid)768 mlxsw_sp_fid_8021d_fid(const struct mlxsw_sp_fid *fid)
769 {
770 return container_of(fid, struct mlxsw_sp_fid_8021d, common);
771 }
772
mlxsw_sp_fid_8021d_setup(struct mlxsw_sp_fid * fid,const void * arg)773 static void mlxsw_sp_fid_8021d_setup(struct mlxsw_sp_fid *fid, const void *arg)
774 {
775 int br_ifindex = *(int *) arg;
776
777 mlxsw_sp_fid_8021d_fid(fid)->br_ifindex = br_ifindex;
778 fid->fid_offset = fid->fid_index - fid->fid_family->start_index;
779 }
780
mlxsw_sp_fid_8021d_configure(struct mlxsw_sp_fid * fid)781 static int mlxsw_sp_fid_8021d_configure(struct mlxsw_sp_fid *fid)
782 {
783 return mlxsw_sp_fid_op(fid, true);
784 }
785
mlxsw_sp_fid_8021d_deconfigure(struct mlxsw_sp_fid * fid)786 static void mlxsw_sp_fid_8021d_deconfigure(struct mlxsw_sp_fid *fid)
787 {
788 if (fid->vni_valid)
789 mlxsw_sp_nve_fid_disable(fid->fid_family->mlxsw_sp, fid);
790 mlxsw_sp_fid_op(fid, false);
791 }
792
mlxsw_sp_fid_8021d_index_alloc(struct mlxsw_sp_fid * fid,const void * arg,u16 * p_fid_index)793 static int mlxsw_sp_fid_8021d_index_alloc(struct mlxsw_sp_fid *fid,
794 const void *arg, u16 *p_fid_index)
795 {
796 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
797 u16 nr_fids, fid_index;
798
799 nr_fids = fid_family->end_index - fid_family->start_index + 1;
800 fid_index = find_first_zero_bit(fid_family->fids_bitmap, nr_fids);
801 if (fid_index == nr_fids)
802 return -ENOBUFS;
803 *p_fid_index = fid_family->start_index + fid_index;
804
805 return 0;
806 }
807
808 static bool
mlxsw_sp_fid_8021d_compare(const struct mlxsw_sp_fid * fid,const void * arg)809 mlxsw_sp_fid_8021d_compare(const struct mlxsw_sp_fid *fid, const void *arg)
810 {
811 int br_ifindex = *(int *) arg;
812
813 return mlxsw_sp_fid_8021d_fid(fid)->br_ifindex == br_ifindex;
814 }
815
mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port * mlxsw_sp_port)816 static int mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port)
817 {
818 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
819 int err;
820
821 list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list,
822 list) {
823 struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
824 u16 vid = mlxsw_sp_port_vlan->vid;
825
826 if (!fid)
827 continue;
828
829 err = __mlxsw_sp_fid_port_vid_map(fid,
830 mlxsw_sp_port->local_port,
831 vid, true);
832 if (err)
833 goto err_fid_port_vid_map;
834 }
835
836 err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
837 if (err)
838 goto err_port_vp_mode_set;
839
840 return 0;
841
842 err_port_vp_mode_set:
843 err_fid_port_vid_map:
844 list_for_each_entry_continue_reverse(mlxsw_sp_port_vlan,
845 &mlxsw_sp_port->vlans_list, list) {
846 struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
847 u16 vid = mlxsw_sp_port_vlan->vid;
848
849 if (!fid)
850 continue;
851
852 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid,
853 false);
854 }
855 return err;
856 }
857
mlxsw_sp_port_vlan_mode_trans(struct mlxsw_sp_port * mlxsw_sp_port)858 static void mlxsw_sp_port_vlan_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port)
859 {
860 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
861
862 mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
863
864 list_for_each_entry_reverse(mlxsw_sp_port_vlan,
865 &mlxsw_sp_port->vlans_list, list) {
866 struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
867 u16 vid = mlxsw_sp_port_vlan->vid;
868
869 if (!fid)
870 continue;
871
872 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid,
873 false);
874 }
875 }
876
877 static int
mlxsw_sp_fid_port_vid_list_add(struct mlxsw_sp_fid * fid,u16 local_port,u16 vid)878 mlxsw_sp_fid_port_vid_list_add(struct mlxsw_sp_fid *fid, u16 local_port,
879 u16 vid)
880 {
881 struct mlxsw_sp_fid_port_vid *port_vid, *tmp_port_vid;
882
883 port_vid = kzalloc(sizeof(*port_vid), GFP_KERNEL);
884 if (!port_vid)
885 return -ENOMEM;
886
887 port_vid->local_port = local_port;
888 port_vid->vid = vid;
889
890 list_for_each_entry(tmp_port_vid, &fid->port_vid_list, list) {
891 if (tmp_port_vid->local_port > local_port)
892 break;
893 }
894
895 list_add_tail(&port_vid->list, &tmp_port_vid->list);
896 return 0;
897 }
898
899 static void
mlxsw_sp_fid_port_vid_list_del(struct mlxsw_sp_fid * fid,u16 local_port,u16 vid)900 mlxsw_sp_fid_port_vid_list_del(struct mlxsw_sp_fid *fid, u16 local_port,
901 u16 vid)
902 {
903 struct mlxsw_sp_fid_port_vid *port_vid, *tmp;
904
905 list_for_each_entry_safe(port_vid, tmp, &fid->port_vid_list, list) {
906 if (port_vid->local_port != local_port || port_vid->vid != vid)
907 continue;
908
909 list_del(&port_vid->list);
910 kfree(port_vid);
911 return;
912 }
913 }
914
915 static int
mlxsw_sp_fid_mpe_table_map(const struct mlxsw_sp_fid * fid,u16 local_port,u16 vid,bool valid)916 mlxsw_sp_fid_mpe_table_map(const struct mlxsw_sp_fid *fid, u16 local_port,
917 u16 vid, bool valid)
918 {
919 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
920 char smpe_pl[MLXSW_REG_SMPE_LEN];
921
922 mlxsw_reg_smpe_pack(smpe_pl, local_port, fid->fid_index,
923 valid ? vid : 0);
924 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smpe), smpe_pl);
925 }
926
927 static int
mlxsw_sp_fid_erif_eport_to_vid_map_one(const struct mlxsw_sp_fid * fid,u16 local_port,u16 vid,bool valid)928 mlxsw_sp_fid_erif_eport_to_vid_map_one(const struct mlxsw_sp_fid *fid,
929 u16 local_port, u16 vid, bool valid)
930 {
931 u8 port_page = local_port / MLXSW_REG_REIV_REC_MAX_COUNT;
932 u8 rec_num = local_port % MLXSW_REG_REIV_REC_MAX_COUNT;
933 struct mlxsw_sp *mlxsw_sp = fid->fid_family->mlxsw_sp;
934 u16 rif_index = mlxsw_sp_rif_index(fid->rif);
935 char *reiv_pl;
936 int err;
937
938 reiv_pl = kmalloc(MLXSW_REG_REIV_LEN, GFP_KERNEL);
939 if (!reiv_pl)
940 return -ENOMEM;
941
942 mlxsw_reg_reiv_pack(reiv_pl, port_page, rif_index);
943 mlxsw_reg_reiv_rec_update_set(reiv_pl, rec_num, true);
944 mlxsw_reg_reiv_rec_evid_set(reiv_pl, rec_num, valid ? vid : 0);
945 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(reiv), reiv_pl);
946 kfree(reiv_pl);
947 return err;
948 }
949
mlxsw_sp_fid_evid_map(const struct mlxsw_sp_fid * fid,u16 local_port,u16 vid,bool valid)950 static int mlxsw_sp_fid_evid_map(const struct mlxsw_sp_fid *fid, u16 local_port,
951 u16 vid, bool valid)
952 {
953 int err;
954
955 err = mlxsw_sp_fid_mpe_table_map(fid, local_port, vid, valid);
956 if (err)
957 return err;
958
959 if (!fid->rif)
960 return 0;
961
962 err = mlxsw_sp_fid_erif_eport_to_vid_map_one(fid, local_port, vid,
963 valid);
964 if (err)
965 goto err_erif_eport_to_vid_map_one;
966
967 return 0;
968
969 err_erif_eport_to_vid_map_one:
970 mlxsw_sp_fid_mpe_table_map(fid, local_port, vid, !valid);
971 return err;
972 }
973
mlxsw_sp_fid_8021d_port_vid_map(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)974 static int mlxsw_sp_fid_8021d_port_vid_map(struct mlxsw_sp_fid *fid,
975 struct mlxsw_sp_port *mlxsw_sp_port,
976 u16 vid)
977 {
978 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
979 u16 local_port = mlxsw_sp_port->local_port;
980 int err;
981
982 err = __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid,
983 true);
984 if (err)
985 return err;
986
987 err = mlxsw_sp_fid_evid_map(fid, local_port, vid, true);
988 if (err)
989 goto err_fid_evid_map;
990
991 err = mlxsw_sp_fid_port_vid_list_add(fid, mlxsw_sp_port->local_port,
992 vid);
993 if (err)
994 goto err_port_vid_list_add;
995
996 if (mlxsw_sp->fid_core->port_fid_mappings[local_port]++ == 0) {
997 err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port);
998 if (err)
999 goto err_port_vp_mode_trans;
1000 }
1001
1002 return 0;
1003
1004 err_port_vp_mode_trans:
1005 mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
1006 mlxsw_sp_fid_port_vid_list_del(fid, mlxsw_sp_port->local_port, vid);
1007 err_port_vid_list_add:
1008 mlxsw_sp_fid_evid_map(fid, local_port, vid, false);
1009 err_fid_evid_map:
1010 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid, false);
1011 return err;
1012 }
1013
1014 static void
mlxsw_sp_fid_8021d_port_vid_unmap(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)1015 mlxsw_sp_fid_8021d_port_vid_unmap(struct mlxsw_sp_fid *fid,
1016 struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
1017 {
1018 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1019 u16 local_port = mlxsw_sp_port->local_port;
1020
1021 if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 1)
1022 mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port);
1023 mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
1024 mlxsw_sp_fid_port_vid_list_del(fid, mlxsw_sp_port->local_port, vid);
1025 mlxsw_sp_fid_evid_map(fid, local_port, vid, false);
1026 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid, false);
1027 }
1028
mlxsw_sp_fid_8021d_vni_set(struct mlxsw_sp_fid * fid)1029 static int mlxsw_sp_fid_8021d_vni_set(struct mlxsw_sp_fid *fid)
1030 {
1031 return mlxsw_sp_fid_vni_op(fid);
1032 }
1033
mlxsw_sp_fid_8021d_vni_clear(struct mlxsw_sp_fid * fid)1034 static void mlxsw_sp_fid_8021d_vni_clear(struct mlxsw_sp_fid *fid)
1035 {
1036 mlxsw_sp_fid_vni_op(fid);
1037 }
1038
mlxsw_sp_fid_8021d_nve_flood_index_set(struct mlxsw_sp_fid * fid)1039 static int mlxsw_sp_fid_8021d_nve_flood_index_set(struct mlxsw_sp_fid *fid)
1040 {
1041 return mlxsw_sp_fid_edit_op(fid, fid->rif);
1042 }
1043
mlxsw_sp_fid_8021d_nve_flood_index_clear(struct mlxsw_sp_fid * fid)1044 static void mlxsw_sp_fid_8021d_nve_flood_index_clear(struct mlxsw_sp_fid *fid)
1045 {
1046 mlxsw_sp_fid_edit_op(fid, fid->rif);
1047 }
1048
1049 static void
mlxsw_sp_fid_8021d_fdb_clear_offload(const struct mlxsw_sp_fid * fid,const struct net_device * nve_dev)1050 mlxsw_sp_fid_8021d_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
1051 const struct net_device *nve_dev)
1052 {
1053 br_fdb_clear_offload(nve_dev, 0);
1054 }
1055
1056 static int
mlxsw_sp_fid_8021d_vid_to_fid_rif_update(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)1057 mlxsw_sp_fid_8021d_vid_to_fid_rif_update(const struct mlxsw_sp_fid *fid,
1058 const struct mlxsw_sp_rif *rif)
1059 {
1060 return 0;
1061 }
1062
1063 static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021d_ops = {
1064 .setup = mlxsw_sp_fid_8021d_setup,
1065 .configure = mlxsw_sp_fid_8021d_configure,
1066 .deconfigure = mlxsw_sp_fid_8021d_deconfigure,
1067 .index_alloc = mlxsw_sp_fid_8021d_index_alloc,
1068 .compare = mlxsw_sp_fid_8021d_compare,
1069 .port_vid_map = mlxsw_sp_fid_8021d_port_vid_map,
1070 .port_vid_unmap = mlxsw_sp_fid_8021d_port_vid_unmap,
1071 .vni_set = mlxsw_sp_fid_8021d_vni_set,
1072 .vni_clear = mlxsw_sp_fid_8021d_vni_clear,
1073 .nve_flood_index_set = mlxsw_sp_fid_8021d_nve_flood_index_set,
1074 .nve_flood_index_clear = mlxsw_sp_fid_8021d_nve_flood_index_clear,
1075 .fdb_clear_offload = mlxsw_sp_fid_8021d_fdb_clear_offload,
1076 .vid_to_fid_rif_update = mlxsw_sp_fid_8021d_vid_to_fid_rif_update,
1077 };
1078
1079 #define MLXSW_SP_FID_8021Q_MAX (VLAN_N_VID - 2)
1080 #define MLXSW_SP_FID_RFID_MAX (11 * 1024)
1081 #define MLXSW_SP_FID_8021Q_PGT_BASE 0
1082 #define MLXSW_SP_FID_8021D_PGT_BASE (3 * MLXSW_SP_FID_8021Q_MAX)
1083
1084 static const struct mlxsw_sp_flood_table mlxsw_sp_fid_8021d_flood_tables[] = {
1085 {
1086 .packet_type = MLXSW_SP_FLOOD_TYPE_UC,
1087 .table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
1088 .table_index = 0,
1089 },
1090 {
1091 .packet_type = MLXSW_SP_FLOOD_TYPE_MC,
1092 .table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
1093 .table_index = 1,
1094 },
1095 {
1096 .packet_type = MLXSW_SP_FLOOD_TYPE_BC,
1097 .table_type = MLXSW_REG_SFGC_TABLE_TYPE_FID_OFFSET,
1098 .table_index = 2,
1099 },
1100 };
1101
1102 static bool
mlxsw_sp_fid_8021q_compare(const struct mlxsw_sp_fid * fid,const void * arg)1103 mlxsw_sp_fid_8021q_compare(const struct mlxsw_sp_fid *fid, const void *arg)
1104 {
1105 u16 vid = *(u16 *) arg;
1106
1107 return mlxsw_sp_fid_8021q_fid(fid)->vid == vid;
1108 }
1109
1110 static void
mlxsw_sp_fid_8021q_fdb_clear_offload(const struct mlxsw_sp_fid * fid,const struct net_device * nve_dev)1111 mlxsw_sp_fid_8021q_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
1112 const struct net_device *nve_dev)
1113 {
1114 br_fdb_clear_offload(nve_dev, mlxsw_sp_fid_8021q_vid(fid));
1115 }
1116
mlxsw_sp_fid_rfid_setup(struct mlxsw_sp_fid * fid,const void * arg)1117 static void mlxsw_sp_fid_rfid_setup(struct mlxsw_sp_fid *fid, const void *arg)
1118 {
1119 fid->fid_offset = 0;
1120 }
1121
mlxsw_sp_fid_rfid_configure(struct mlxsw_sp_fid * fid)1122 static int mlxsw_sp_fid_rfid_configure(struct mlxsw_sp_fid *fid)
1123 {
1124 return mlxsw_sp_fid_op(fid, true);
1125 }
1126
mlxsw_sp_fid_rfid_deconfigure(struct mlxsw_sp_fid * fid)1127 static void mlxsw_sp_fid_rfid_deconfigure(struct mlxsw_sp_fid *fid)
1128 {
1129 mlxsw_sp_fid_op(fid, false);
1130 }
1131
mlxsw_sp_fid_rfid_index_alloc(struct mlxsw_sp_fid * fid,const void * arg,u16 * p_fid_index)1132 static int mlxsw_sp_fid_rfid_index_alloc(struct mlxsw_sp_fid *fid,
1133 const void *arg, u16 *p_fid_index)
1134 {
1135 u16 rif_index = *(u16 *) arg;
1136
1137 *p_fid_index = fid->fid_family->start_index + rif_index;
1138
1139 return 0;
1140 }
1141
mlxsw_sp_fid_rfid_compare(const struct mlxsw_sp_fid * fid,const void * arg)1142 static bool mlxsw_sp_fid_rfid_compare(const struct mlxsw_sp_fid *fid,
1143 const void *arg)
1144 {
1145 u16 rif_index = *(u16 *) arg;
1146
1147 return fid->fid_index == rif_index + fid->fid_family->start_index;
1148 }
1149
mlxsw_sp_fid_rfid_port_vid_map(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)1150 static int mlxsw_sp_fid_rfid_port_vid_map(struct mlxsw_sp_fid *fid,
1151 struct mlxsw_sp_port *mlxsw_sp_port,
1152 u16 vid)
1153 {
1154 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1155 u16 local_port = mlxsw_sp_port->local_port;
1156 int err;
1157
1158 err = mlxsw_sp_fid_port_vid_list_add(fid, mlxsw_sp_port->local_port,
1159 vid);
1160 if (err)
1161 return err;
1162
1163 /* Using legacy bridge model, we only need to transition the port to
1164 * virtual mode since {Port, VID} => FID is done by the firmware upon
1165 * RIF creation. Using unified bridge model, we need to map
1166 * {Port, VID} => FID and map egress VID.
1167 */
1168 err = __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid,
1169 true);
1170 if (err)
1171 goto err_port_vid_map;
1172
1173 if (fid->rif) {
1174 err = mlxsw_sp_fid_erif_eport_to_vid_map_one(fid, local_port,
1175 vid, true);
1176 if (err)
1177 goto err_erif_eport_to_vid_map_one;
1178 }
1179
1180 if (mlxsw_sp->fid_core->port_fid_mappings[local_port]++ == 0) {
1181 err = mlxsw_sp_port_vp_mode_trans(mlxsw_sp_port);
1182 if (err)
1183 goto err_port_vp_mode_trans;
1184 }
1185
1186 return 0;
1187
1188 err_port_vp_mode_trans:
1189 mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
1190 if (fid->rif)
1191 mlxsw_sp_fid_erif_eport_to_vid_map_one(fid, local_port, vid,
1192 false);
1193 err_erif_eport_to_vid_map_one:
1194 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid, false);
1195 err_port_vid_map:
1196 mlxsw_sp_fid_port_vid_list_del(fid, mlxsw_sp_port->local_port, vid);
1197 return err;
1198 }
1199
1200 static void
mlxsw_sp_fid_rfid_port_vid_unmap(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)1201 mlxsw_sp_fid_rfid_port_vid_unmap(struct mlxsw_sp_fid *fid,
1202 struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
1203 {
1204 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1205 u16 local_port = mlxsw_sp_port->local_port;
1206
1207 if (mlxsw_sp->fid_core->port_fid_mappings[local_port] == 1)
1208 mlxsw_sp_port_vlan_mode_trans(mlxsw_sp_port);
1209 mlxsw_sp->fid_core->port_fid_mappings[local_port]--;
1210
1211 if (fid->rif)
1212 mlxsw_sp_fid_erif_eport_to_vid_map_one(fid, local_port, vid,
1213 false);
1214 __mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port->local_port, vid, false);
1215 mlxsw_sp_fid_port_vid_list_del(fid, mlxsw_sp_port->local_port, vid);
1216 }
1217
mlxsw_sp_fid_rfid_vni_set(struct mlxsw_sp_fid * fid)1218 static int mlxsw_sp_fid_rfid_vni_set(struct mlxsw_sp_fid *fid)
1219 {
1220 return -EOPNOTSUPP;
1221 }
1222
mlxsw_sp_fid_rfid_vni_clear(struct mlxsw_sp_fid * fid)1223 static void mlxsw_sp_fid_rfid_vni_clear(struct mlxsw_sp_fid *fid)
1224 {
1225 WARN_ON_ONCE(1);
1226 }
1227
mlxsw_sp_fid_rfid_nve_flood_index_set(struct mlxsw_sp_fid * fid)1228 static int mlxsw_sp_fid_rfid_nve_flood_index_set(struct mlxsw_sp_fid *fid)
1229 {
1230 return -EOPNOTSUPP;
1231 }
1232
mlxsw_sp_fid_rfid_nve_flood_index_clear(struct mlxsw_sp_fid * fid)1233 static void mlxsw_sp_fid_rfid_nve_flood_index_clear(struct mlxsw_sp_fid *fid)
1234 {
1235 WARN_ON_ONCE(1);
1236 }
1237
1238 static int
mlxsw_sp_fid_rfid_vid_to_fid_rif_update(const struct mlxsw_sp_fid * fid,const struct mlxsw_sp_rif * rif)1239 mlxsw_sp_fid_rfid_vid_to_fid_rif_update(const struct mlxsw_sp_fid *fid,
1240 const struct mlxsw_sp_rif *rif)
1241 {
1242 return 0;
1243 }
1244
1245 static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_rfid_ops = {
1246 .setup = mlxsw_sp_fid_rfid_setup,
1247 .configure = mlxsw_sp_fid_rfid_configure,
1248 .deconfigure = mlxsw_sp_fid_rfid_deconfigure,
1249 .index_alloc = mlxsw_sp_fid_rfid_index_alloc,
1250 .compare = mlxsw_sp_fid_rfid_compare,
1251 .port_vid_map = mlxsw_sp_fid_rfid_port_vid_map,
1252 .port_vid_unmap = mlxsw_sp_fid_rfid_port_vid_unmap,
1253 .vni_set = mlxsw_sp_fid_rfid_vni_set,
1254 .vni_clear = mlxsw_sp_fid_rfid_vni_clear,
1255 .nve_flood_index_set = mlxsw_sp_fid_rfid_nve_flood_index_set,
1256 .nve_flood_index_clear = mlxsw_sp_fid_rfid_nve_flood_index_clear,
1257 .vid_to_fid_rif_update = mlxsw_sp_fid_rfid_vid_to_fid_rif_update,
1258 };
1259
mlxsw_sp_fid_dummy_setup(struct mlxsw_sp_fid * fid,const void * arg)1260 static void mlxsw_sp_fid_dummy_setup(struct mlxsw_sp_fid *fid, const void *arg)
1261 {
1262 fid->fid_offset = 0;
1263 }
1264
mlxsw_sp_fid_dummy_configure(struct mlxsw_sp_fid * fid)1265 static int mlxsw_sp_fid_dummy_configure(struct mlxsw_sp_fid *fid)
1266 {
1267 return mlxsw_sp_fid_op(fid, true);
1268 }
1269
mlxsw_sp_fid_dummy_deconfigure(struct mlxsw_sp_fid * fid)1270 static void mlxsw_sp_fid_dummy_deconfigure(struct mlxsw_sp_fid *fid)
1271 {
1272 mlxsw_sp_fid_op(fid, false);
1273 }
1274
mlxsw_sp_fid_dummy_index_alloc(struct mlxsw_sp_fid * fid,const void * arg,u16 * p_fid_index)1275 static int mlxsw_sp_fid_dummy_index_alloc(struct mlxsw_sp_fid *fid,
1276 const void *arg, u16 *p_fid_index)
1277 {
1278 *p_fid_index = fid->fid_family->start_index;
1279
1280 return 0;
1281 }
1282
mlxsw_sp_fid_dummy_compare(const struct mlxsw_sp_fid * fid,const void * arg)1283 static bool mlxsw_sp_fid_dummy_compare(const struct mlxsw_sp_fid *fid,
1284 const void *arg)
1285 {
1286 return true;
1287 }
1288
mlxsw_sp_fid_dummy_vni_set(struct mlxsw_sp_fid * fid)1289 static int mlxsw_sp_fid_dummy_vni_set(struct mlxsw_sp_fid *fid)
1290 {
1291 return -EOPNOTSUPP;
1292 }
1293
mlxsw_sp_fid_dummy_vni_clear(struct mlxsw_sp_fid * fid)1294 static void mlxsw_sp_fid_dummy_vni_clear(struct mlxsw_sp_fid *fid)
1295 {
1296 WARN_ON_ONCE(1);
1297 }
1298
mlxsw_sp_fid_dummy_nve_flood_index_set(struct mlxsw_sp_fid * fid)1299 static int mlxsw_sp_fid_dummy_nve_flood_index_set(struct mlxsw_sp_fid *fid)
1300 {
1301 return -EOPNOTSUPP;
1302 }
1303
mlxsw_sp_fid_dummy_nve_flood_index_clear(struct mlxsw_sp_fid * fid)1304 static void mlxsw_sp_fid_dummy_nve_flood_index_clear(struct mlxsw_sp_fid *fid)
1305 {
1306 WARN_ON_ONCE(1);
1307 }
1308
1309 static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_dummy_ops = {
1310 .setup = mlxsw_sp_fid_dummy_setup,
1311 .configure = mlxsw_sp_fid_dummy_configure,
1312 .deconfigure = mlxsw_sp_fid_dummy_deconfigure,
1313 .index_alloc = mlxsw_sp_fid_dummy_index_alloc,
1314 .compare = mlxsw_sp_fid_dummy_compare,
1315 .vni_set = mlxsw_sp_fid_dummy_vni_set,
1316 .vni_clear = mlxsw_sp_fid_dummy_vni_clear,
1317 .nve_flood_index_set = mlxsw_sp_fid_dummy_nve_flood_index_set,
1318 .nve_flood_index_clear = mlxsw_sp_fid_dummy_nve_flood_index_clear,
1319 };
1320
mlxsw_sp_fid_8021q_configure(struct mlxsw_sp_fid * fid)1321 static int mlxsw_sp_fid_8021q_configure(struct mlxsw_sp_fid *fid)
1322 {
1323 struct mlxsw_sp_fid_8021q *fid_8021q = mlxsw_sp_fid_8021q_fid(fid);
1324 int err;
1325
1326 err = mlxsw_sp_fid_op(fid, true);
1327 if (err)
1328 return err;
1329
1330 err = mlxsw_sp_fid_vid_to_fid_map(fid, fid_8021q->vid, true, fid->rif);
1331 if (err)
1332 goto err_vid_to_fid_map;
1333
1334 return 0;
1335
1336 err_vid_to_fid_map:
1337 mlxsw_sp_fid_op(fid, false);
1338 return err;
1339 }
1340
mlxsw_sp_fid_8021q_deconfigure(struct mlxsw_sp_fid * fid)1341 static void mlxsw_sp_fid_8021q_deconfigure(struct mlxsw_sp_fid *fid)
1342 {
1343 struct mlxsw_sp_fid_8021q *fid_8021q = mlxsw_sp_fid_8021q_fid(fid);
1344
1345 if (fid->vni_valid)
1346 mlxsw_sp_nve_fid_disable(fid->fid_family->mlxsw_sp, fid);
1347
1348 mlxsw_sp_fid_vid_to_fid_map(fid, fid_8021q->vid, false, NULL);
1349 mlxsw_sp_fid_op(fid, false);
1350 }
1351
mlxsw_sp_fid_8021q_port_vid_map(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)1352 static int mlxsw_sp_fid_8021q_port_vid_map(struct mlxsw_sp_fid *fid,
1353 struct mlxsw_sp_port *mlxsw_sp_port,
1354 u16 vid)
1355 {
1356 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1357 u8 local_port = mlxsw_sp_port->local_port;
1358 int err;
1359
1360 /* In case there are no {Port, VID} => FID mappings on the port,
1361 * we can use the global VID => FID mapping we created when the
1362 * FID was configured, otherwise, configure new mapping.
1363 */
1364 if (mlxsw_sp->fid_core->port_fid_mappings[local_port]) {
1365 err = __mlxsw_sp_fid_port_vid_map(fid, local_port, vid, true);
1366 if (err)
1367 return err;
1368 }
1369
1370 err = mlxsw_sp_fid_evid_map(fid, local_port, vid, true);
1371 if (err)
1372 goto err_fid_evid_map;
1373
1374 err = mlxsw_sp_fid_port_vid_list_add(fid, mlxsw_sp_port->local_port,
1375 vid);
1376 if (err)
1377 goto err_port_vid_list_add;
1378
1379 return 0;
1380
1381 err_port_vid_list_add:
1382 mlxsw_sp_fid_evid_map(fid, local_port, vid, false);
1383 err_fid_evid_map:
1384 if (mlxsw_sp->fid_core->port_fid_mappings[local_port])
1385 __mlxsw_sp_fid_port_vid_map(fid, local_port, vid, false);
1386 return err;
1387 }
1388
1389 static void
mlxsw_sp_fid_8021q_port_vid_unmap(struct mlxsw_sp_fid * fid,struct mlxsw_sp_port * mlxsw_sp_port,u16 vid)1390 mlxsw_sp_fid_8021q_port_vid_unmap(struct mlxsw_sp_fid *fid,
1391 struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
1392 {
1393 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1394 u8 local_port = mlxsw_sp_port->local_port;
1395
1396 mlxsw_sp_fid_port_vid_list_del(fid, mlxsw_sp_port->local_port, vid);
1397 mlxsw_sp_fid_evid_map(fid, local_port, vid, false);
1398 if (mlxsw_sp->fid_core->port_fid_mappings[local_port])
1399 __mlxsw_sp_fid_port_vid_map(fid, local_port, vid, false);
1400 }
1401
1402 static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021q_ops = {
1403 .setup = mlxsw_sp_fid_8021q_setup,
1404 .configure = mlxsw_sp_fid_8021q_configure,
1405 .deconfigure = mlxsw_sp_fid_8021q_deconfigure,
1406 .index_alloc = mlxsw_sp_fid_8021d_index_alloc,
1407 .compare = mlxsw_sp_fid_8021q_compare,
1408 .port_vid_map = mlxsw_sp_fid_8021q_port_vid_map,
1409 .port_vid_unmap = mlxsw_sp_fid_8021q_port_vid_unmap,
1410 .vni_set = mlxsw_sp_fid_8021d_vni_set,
1411 .vni_clear = mlxsw_sp_fid_8021d_vni_clear,
1412 .nve_flood_index_set = mlxsw_sp_fid_8021d_nve_flood_index_set,
1413 .nve_flood_index_clear = mlxsw_sp_fid_8021d_nve_flood_index_clear,
1414 .fdb_clear_offload = mlxsw_sp_fid_8021q_fdb_clear_offload,
1415 .vid_to_fid_rif_update = mlxsw_sp_fid_8021q_vid_to_fid_rif_update,
1416 };
1417
1418 /* There are 4K-2 802.1Q FIDs */
1419 #define MLXSW_SP_FID_8021Q_START 1 /* FID 0 is reserved. */
1420 #define MLXSW_SP_FID_8021Q_END (MLXSW_SP_FID_8021Q_START + \
1421 MLXSW_SP_FID_8021Q_MAX - 1)
1422
1423 /* There are 1K 802.1D FIDs */
1424 #define MLXSW_SP_FID_8021D_START (MLXSW_SP_FID_8021Q_END + 1)
1425 #define MLXSW_SP_FID_8021D_END (MLXSW_SP_FID_8021D_START + \
1426 MLXSW_SP_FID_8021D_MAX - 1)
1427
1428 /* There is one dummy FID */
1429 #define MLXSW_SP_FID_DUMMY (MLXSW_SP_FID_8021D_END + 1)
1430
1431 /* There are 11K rFIDs */
1432 #define MLXSW_SP_RFID_START (MLXSW_SP_FID_DUMMY + 1)
1433 #define MLXSW_SP_RFID_END (MLXSW_SP_RFID_START + \
1434 MLXSW_SP_FID_RFID_MAX - 1)
1435
1436 static const struct mlxsw_sp_fid_family mlxsw_sp1_fid_8021q_family = {
1437 .type = MLXSW_SP_FID_TYPE_8021Q,
1438 .fid_size = sizeof(struct mlxsw_sp_fid_8021q),
1439 .start_index = MLXSW_SP_FID_8021Q_START,
1440 .end_index = MLXSW_SP_FID_8021Q_END,
1441 .flood_tables = mlxsw_sp_fid_8021d_flood_tables,
1442 .nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
1443 .rif_type = MLXSW_SP_RIF_TYPE_VLAN,
1444 .ops = &mlxsw_sp_fid_8021q_ops,
1445 .flood_rsp = false,
1446 .bridge_type = MLXSW_REG_BRIDGE_TYPE_0,
1447 .pgt_base = MLXSW_SP_FID_8021Q_PGT_BASE,
1448 .smpe_index_valid = false,
1449 };
1450
1451 static const struct mlxsw_sp_fid_family mlxsw_sp1_fid_8021d_family = {
1452 .type = MLXSW_SP_FID_TYPE_8021D,
1453 .fid_size = sizeof(struct mlxsw_sp_fid_8021d),
1454 .start_index = MLXSW_SP_FID_8021D_START,
1455 .end_index = MLXSW_SP_FID_8021D_END,
1456 .flood_tables = mlxsw_sp_fid_8021d_flood_tables,
1457 .nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
1458 .rif_type = MLXSW_SP_RIF_TYPE_FID,
1459 .ops = &mlxsw_sp_fid_8021d_ops,
1460 .bridge_type = MLXSW_REG_BRIDGE_TYPE_1,
1461 .pgt_base = MLXSW_SP_FID_8021D_PGT_BASE,
1462 .smpe_index_valid = false,
1463 };
1464
1465 static const struct mlxsw_sp_fid_family mlxsw_sp1_fid_dummy_family = {
1466 .type = MLXSW_SP_FID_TYPE_DUMMY,
1467 .fid_size = sizeof(struct mlxsw_sp_fid),
1468 .start_index = MLXSW_SP_FID_DUMMY,
1469 .end_index = MLXSW_SP_FID_DUMMY,
1470 .ops = &mlxsw_sp_fid_dummy_ops,
1471 .smpe_index_valid = false,
1472 };
1473
1474 static const struct mlxsw_sp_fid_family mlxsw_sp_fid_rfid_family = {
1475 .type = MLXSW_SP_FID_TYPE_RFID,
1476 .fid_size = sizeof(struct mlxsw_sp_fid),
1477 .start_index = MLXSW_SP_RFID_START,
1478 .end_index = MLXSW_SP_RFID_END,
1479 .rif_type = MLXSW_SP_RIF_TYPE_SUBPORT,
1480 .ops = &mlxsw_sp_fid_rfid_ops,
1481 .flood_rsp = true,
1482 .smpe_index_valid = false,
1483 };
1484
1485 const struct mlxsw_sp_fid_family *mlxsw_sp1_fid_family_arr[] = {
1486 [MLXSW_SP_FID_TYPE_8021Q] = &mlxsw_sp1_fid_8021q_family,
1487 [MLXSW_SP_FID_TYPE_8021D] = &mlxsw_sp1_fid_8021d_family,
1488 [MLXSW_SP_FID_TYPE_DUMMY] = &mlxsw_sp1_fid_dummy_family,
1489 [MLXSW_SP_FID_TYPE_RFID] = &mlxsw_sp_fid_rfid_family,
1490 };
1491
1492 static const struct mlxsw_sp_fid_family mlxsw_sp2_fid_8021q_family = {
1493 .type = MLXSW_SP_FID_TYPE_8021Q,
1494 .fid_size = sizeof(struct mlxsw_sp_fid_8021q),
1495 .start_index = MLXSW_SP_FID_8021Q_START,
1496 .end_index = MLXSW_SP_FID_8021Q_END,
1497 .flood_tables = mlxsw_sp_fid_8021d_flood_tables,
1498 .nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
1499 .rif_type = MLXSW_SP_RIF_TYPE_VLAN,
1500 .ops = &mlxsw_sp_fid_8021q_ops,
1501 .flood_rsp = false,
1502 .bridge_type = MLXSW_REG_BRIDGE_TYPE_0,
1503 .pgt_base = MLXSW_SP_FID_8021Q_PGT_BASE,
1504 .smpe_index_valid = true,
1505 };
1506
1507 static const struct mlxsw_sp_fid_family mlxsw_sp2_fid_8021d_family = {
1508 .type = MLXSW_SP_FID_TYPE_8021D,
1509 .fid_size = sizeof(struct mlxsw_sp_fid_8021d),
1510 .start_index = MLXSW_SP_FID_8021D_START,
1511 .end_index = MLXSW_SP_FID_8021D_END,
1512 .flood_tables = mlxsw_sp_fid_8021d_flood_tables,
1513 .nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
1514 .rif_type = MLXSW_SP_RIF_TYPE_FID,
1515 .ops = &mlxsw_sp_fid_8021d_ops,
1516 .bridge_type = MLXSW_REG_BRIDGE_TYPE_1,
1517 .pgt_base = MLXSW_SP_FID_8021D_PGT_BASE,
1518 .smpe_index_valid = true,
1519 };
1520
1521 static const struct mlxsw_sp_fid_family mlxsw_sp2_fid_dummy_family = {
1522 .type = MLXSW_SP_FID_TYPE_DUMMY,
1523 .fid_size = sizeof(struct mlxsw_sp_fid),
1524 .start_index = MLXSW_SP_FID_DUMMY,
1525 .end_index = MLXSW_SP_FID_DUMMY,
1526 .ops = &mlxsw_sp_fid_dummy_ops,
1527 .smpe_index_valid = false,
1528 };
1529
1530 const struct mlxsw_sp_fid_family *mlxsw_sp2_fid_family_arr[] = {
1531 [MLXSW_SP_FID_TYPE_8021Q] = &mlxsw_sp2_fid_8021q_family,
1532 [MLXSW_SP_FID_TYPE_8021D] = &mlxsw_sp2_fid_8021d_family,
1533 [MLXSW_SP_FID_TYPE_DUMMY] = &mlxsw_sp2_fid_dummy_family,
1534 [MLXSW_SP_FID_TYPE_RFID] = &mlxsw_sp_fid_rfid_family,
1535 };
1536
mlxsw_sp_fid_lookup(struct mlxsw_sp * mlxsw_sp,enum mlxsw_sp_fid_type type,const void * arg)1537 static struct mlxsw_sp_fid *mlxsw_sp_fid_lookup(struct mlxsw_sp *mlxsw_sp,
1538 enum mlxsw_sp_fid_type type,
1539 const void *arg)
1540 {
1541 struct mlxsw_sp_fid_family *fid_family;
1542 struct mlxsw_sp_fid *fid;
1543
1544 fid_family = mlxsw_sp->fid_core->fid_family_arr[type];
1545 list_for_each_entry(fid, &fid_family->fids_list, list) {
1546 if (!fid->fid_family->ops->compare(fid, arg))
1547 continue;
1548 refcount_inc(&fid->ref_count);
1549 return fid;
1550 }
1551
1552 return NULL;
1553 }
1554
mlxsw_sp_fid_get(struct mlxsw_sp * mlxsw_sp,enum mlxsw_sp_fid_type type,const void * arg)1555 static struct mlxsw_sp_fid *mlxsw_sp_fid_get(struct mlxsw_sp *mlxsw_sp,
1556 enum mlxsw_sp_fid_type type,
1557 const void *arg)
1558 {
1559 struct mlxsw_sp_fid_family *fid_family;
1560 struct mlxsw_sp_fid *fid;
1561 u16 fid_index;
1562 int err;
1563
1564 fid = mlxsw_sp_fid_lookup(mlxsw_sp, type, arg);
1565 if (fid)
1566 return fid;
1567
1568 fid_family = mlxsw_sp->fid_core->fid_family_arr[type];
1569 fid = kzalloc(fid_family->fid_size, GFP_KERNEL);
1570 if (!fid)
1571 return ERR_PTR(-ENOMEM);
1572
1573 INIT_LIST_HEAD(&fid->port_vid_list);
1574 fid->fid_family = fid_family;
1575
1576 err = fid->fid_family->ops->index_alloc(fid, arg, &fid_index);
1577 if (err)
1578 goto err_index_alloc;
1579 fid->fid_index = fid_index;
1580 __set_bit(fid_index - fid_family->start_index, fid_family->fids_bitmap);
1581
1582 fid->fid_family->ops->setup(fid, arg);
1583
1584 err = fid->fid_family->ops->configure(fid);
1585 if (err)
1586 goto err_configure;
1587
1588 err = rhashtable_insert_fast(&mlxsw_sp->fid_core->fid_ht, &fid->ht_node,
1589 mlxsw_sp_fid_ht_params);
1590 if (err)
1591 goto err_rhashtable_insert;
1592
1593 list_add(&fid->list, &fid_family->fids_list);
1594 refcount_set(&fid->ref_count, 1);
1595 return fid;
1596
1597 err_rhashtable_insert:
1598 fid->fid_family->ops->deconfigure(fid);
1599 err_configure:
1600 __clear_bit(fid_index - fid_family->start_index,
1601 fid_family->fids_bitmap);
1602 err_index_alloc:
1603 kfree(fid);
1604 return ERR_PTR(err);
1605 }
1606
mlxsw_sp_fid_put(struct mlxsw_sp_fid * fid)1607 void mlxsw_sp_fid_put(struct mlxsw_sp_fid *fid)
1608 {
1609 struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
1610 struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
1611
1612 if (!refcount_dec_and_test(&fid->ref_count))
1613 return;
1614
1615 list_del(&fid->list);
1616 rhashtable_remove_fast(&mlxsw_sp->fid_core->fid_ht,
1617 &fid->ht_node, mlxsw_sp_fid_ht_params);
1618 fid->fid_family->ops->deconfigure(fid);
1619 __clear_bit(fid->fid_index - fid_family->start_index,
1620 fid_family->fids_bitmap);
1621 WARN_ON_ONCE(!list_empty(&fid->port_vid_list));
1622 kfree(fid);
1623 }
1624
mlxsw_sp_fid_8021q_get(struct mlxsw_sp * mlxsw_sp,u16 vid)1625 struct mlxsw_sp_fid *mlxsw_sp_fid_8021q_get(struct mlxsw_sp *mlxsw_sp, u16 vid)
1626 {
1627 return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_8021Q, &vid);
1628 }
1629
mlxsw_sp_fid_8021d_get(struct mlxsw_sp * mlxsw_sp,int br_ifindex)1630 struct mlxsw_sp_fid *mlxsw_sp_fid_8021d_get(struct mlxsw_sp *mlxsw_sp,
1631 int br_ifindex)
1632 {
1633 return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_8021D, &br_ifindex);
1634 }
1635
mlxsw_sp_fid_8021q_lookup(struct mlxsw_sp * mlxsw_sp,u16 vid)1636 struct mlxsw_sp_fid *mlxsw_sp_fid_8021q_lookup(struct mlxsw_sp *mlxsw_sp,
1637 u16 vid)
1638 {
1639 return mlxsw_sp_fid_lookup(mlxsw_sp, MLXSW_SP_FID_TYPE_8021Q, &vid);
1640 }
1641
mlxsw_sp_fid_8021d_lookup(struct mlxsw_sp * mlxsw_sp,int br_ifindex)1642 struct mlxsw_sp_fid *mlxsw_sp_fid_8021d_lookup(struct mlxsw_sp *mlxsw_sp,
1643 int br_ifindex)
1644 {
1645 return mlxsw_sp_fid_lookup(mlxsw_sp, MLXSW_SP_FID_TYPE_8021D,
1646 &br_ifindex);
1647 }
1648
mlxsw_sp_fid_rfid_get(struct mlxsw_sp * mlxsw_sp,u16 rif_index)1649 struct mlxsw_sp_fid *mlxsw_sp_fid_rfid_get(struct mlxsw_sp *mlxsw_sp,
1650 u16 rif_index)
1651 {
1652 return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_RFID, &rif_index);
1653 }
1654
mlxsw_sp_fid_dummy_get(struct mlxsw_sp * mlxsw_sp)1655 struct mlxsw_sp_fid *mlxsw_sp_fid_dummy_get(struct mlxsw_sp *mlxsw_sp)
1656 {
1657 return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_DUMMY, NULL);
1658 }
1659
1660 static int
mlxsw_sp_fid_flood_table_init(struct mlxsw_sp_fid_family * fid_family,const struct mlxsw_sp_flood_table * flood_table)1661 mlxsw_sp_fid_flood_table_init(struct mlxsw_sp_fid_family *fid_family,
1662 const struct mlxsw_sp_flood_table *flood_table)
1663 {
1664 enum mlxsw_sp_flood_type packet_type = flood_table->packet_type;
1665 struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
1666 const int *sfgc_packet_types;
1667 u16 num_fids, mid_base;
1668 int err, i;
1669
1670 mid_base = mlxsw_sp_fid_flood_table_mid(fid_family, flood_table, 0);
1671 num_fids = mlxsw_sp_fid_family_num_fids(fid_family);
1672 err = mlxsw_sp_pgt_mid_alloc_range(mlxsw_sp, mid_base, num_fids);
1673 if (err)
1674 return err;
1675
1676 sfgc_packet_types = mlxsw_sp_packet_type_sfgc_types[packet_type];
1677 for (i = 0; i < MLXSW_REG_SFGC_TYPE_MAX; i++) {
1678 char sfgc_pl[MLXSW_REG_SFGC_LEN];
1679
1680 if (!sfgc_packet_types[i])
1681 continue;
1682
1683 mlxsw_reg_sfgc_pack(sfgc_pl, i, fid_family->bridge_type,
1684 flood_table->table_type, 0, mid_base);
1685
1686 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfgc), sfgc_pl);
1687 if (err)
1688 goto err_reg_write;
1689 }
1690
1691 return 0;
1692
1693 err_reg_write:
1694 mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mid_base, num_fids);
1695 return err;
1696 }
1697
1698 static void
mlxsw_sp_fid_flood_table_fini(struct mlxsw_sp_fid_family * fid_family,const struct mlxsw_sp_flood_table * flood_table)1699 mlxsw_sp_fid_flood_table_fini(struct mlxsw_sp_fid_family *fid_family,
1700 const struct mlxsw_sp_flood_table *flood_table)
1701 {
1702 struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
1703 u16 num_fids, mid_base;
1704
1705 mid_base = mlxsw_sp_fid_flood_table_mid(fid_family, flood_table, 0);
1706 num_fids = mlxsw_sp_fid_family_num_fids(fid_family);
1707 mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mid_base, num_fids);
1708 }
1709
1710 static int
mlxsw_sp_fid_flood_tables_init(struct mlxsw_sp_fid_family * fid_family)1711 mlxsw_sp_fid_flood_tables_init(struct mlxsw_sp_fid_family *fid_family)
1712 {
1713 int i;
1714
1715 for (i = 0; i < fid_family->nr_flood_tables; i++) {
1716 const struct mlxsw_sp_flood_table *flood_table;
1717 int err;
1718
1719 flood_table = &fid_family->flood_tables[i];
1720 err = mlxsw_sp_fid_flood_table_init(fid_family, flood_table);
1721 if (err)
1722 return err;
1723 }
1724
1725 return 0;
1726 }
1727
1728 static void
mlxsw_sp_fid_flood_tables_fini(struct mlxsw_sp_fid_family * fid_family)1729 mlxsw_sp_fid_flood_tables_fini(struct mlxsw_sp_fid_family *fid_family)
1730 {
1731 int i;
1732
1733 for (i = 0; i < fid_family->nr_flood_tables; i++) {
1734 const struct mlxsw_sp_flood_table *flood_table;
1735
1736 flood_table = &fid_family->flood_tables[i];
1737 mlxsw_sp_fid_flood_table_fini(fid_family, flood_table);
1738 }
1739 }
1740
mlxsw_sp_fid_family_register(struct mlxsw_sp * mlxsw_sp,const struct mlxsw_sp_fid_family * tmpl)1741 static int mlxsw_sp_fid_family_register(struct mlxsw_sp *mlxsw_sp,
1742 const struct mlxsw_sp_fid_family *tmpl)
1743 {
1744 u16 nr_fids = tmpl->end_index - tmpl->start_index + 1;
1745 struct mlxsw_sp_fid_family *fid_family;
1746 int err;
1747
1748 fid_family = kmemdup(tmpl, sizeof(*fid_family), GFP_KERNEL);
1749 if (!fid_family)
1750 return -ENOMEM;
1751
1752 fid_family->mlxsw_sp = mlxsw_sp;
1753 INIT_LIST_HEAD(&fid_family->fids_list);
1754 fid_family->fids_bitmap = bitmap_zalloc(nr_fids, GFP_KERNEL);
1755 if (!fid_family->fids_bitmap) {
1756 err = -ENOMEM;
1757 goto err_alloc_fids_bitmap;
1758 }
1759
1760 if (fid_family->flood_tables) {
1761 err = mlxsw_sp_fid_flood_tables_init(fid_family);
1762 if (err)
1763 goto err_fid_flood_tables_init;
1764 }
1765
1766 mlxsw_sp->fid_core->fid_family_arr[tmpl->type] = fid_family;
1767
1768 return 0;
1769
1770 err_fid_flood_tables_init:
1771 bitmap_free(fid_family->fids_bitmap);
1772 err_alloc_fids_bitmap:
1773 kfree(fid_family);
1774 return err;
1775 }
1776
1777 static void
mlxsw_sp_fid_family_unregister(struct mlxsw_sp * mlxsw_sp,struct mlxsw_sp_fid_family * fid_family)1778 mlxsw_sp_fid_family_unregister(struct mlxsw_sp *mlxsw_sp,
1779 struct mlxsw_sp_fid_family *fid_family)
1780 {
1781 mlxsw_sp->fid_core->fid_family_arr[fid_family->type] = NULL;
1782
1783 if (fid_family->flood_tables)
1784 mlxsw_sp_fid_flood_tables_fini(fid_family);
1785
1786 bitmap_free(fid_family->fids_bitmap);
1787 WARN_ON_ONCE(!list_empty(&fid_family->fids_list));
1788 kfree(fid_family);
1789 }
1790
mlxsw_sp_port_fids_init(struct mlxsw_sp_port * mlxsw_sp_port)1791 int mlxsw_sp_port_fids_init(struct mlxsw_sp_port *mlxsw_sp_port)
1792 {
1793 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1794
1795 /* Track number of FIDs configured on the port with mapping type
1796 * PORT_VID_TO_FID, so that we know when to transition the port
1797 * back to non-virtual (VLAN) mode.
1798 */
1799 mlxsw_sp->fid_core->port_fid_mappings[mlxsw_sp_port->local_port] = 0;
1800
1801 return mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
1802 }
1803
mlxsw_sp_port_fids_fini(struct mlxsw_sp_port * mlxsw_sp_port)1804 void mlxsw_sp_port_fids_fini(struct mlxsw_sp_port *mlxsw_sp_port)
1805 {
1806 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1807
1808 mlxsw_sp->fid_core->port_fid_mappings[mlxsw_sp_port->local_port] = 0;
1809 }
1810
mlxsw_sp_fids_init(struct mlxsw_sp * mlxsw_sp)1811 int mlxsw_sp_fids_init(struct mlxsw_sp *mlxsw_sp)
1812 {
1813 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
1814 struct mlxsw_sp_fid_core *fid_core;
1815 int err, i;
1816
1817 fid_core = kzalloc(sizeof(*mlxsw_sp->fid_core), GFP_KERNEL);
1818 if (!fid_core)
1819 return -ENOMEM;
1820 mlxsw_sp->fid_core = fid_core;
1821
1822 err = rhashtable_init(&fid_core->fid_ht, &mlxsw_sp_fid_ht_params);
1823 if (err)
1824 goto err_rhashtable_fid_init;
1825
1826 err = rhashtable_init(&fid_core->vni_ht, &mlxsw_sp_fid_vni_ht_params);
1827 if (err)
1828 goto err_rhashtable_vni_init;
1829
1830 fid_core->port_fid_mappings = kcalloc(max_ports, sizeof(unsigned int),
1831 GFP_KERNEL);
1832 if (!fid_core->port_fid_mappings) {
1833 err = -ENOMEM;
1834 goto err_alloc_port_fid_mappings;
1835 }
1836
1837 for (i = 0; i < MLXSW_SP_FID_TYPE_MAX; i++) {
1838 err = mlxsw_sp_fid_family_register(mlxsw_sp,
1839 mlxsw_sp->fid_family_arr[i]);
1840
1841 if (err)
1842 goto err_fid_ops_register;
1843 }
1844
1845 return 0;
1846
1847 err_fid_ops_register:
1848 for (i--; i >= 0; i--) {
1849 struct mlxsw_sp_fid_family *fid_family;
1850
1851 fid_family = fid_core->fid_family_arr[i];
1852 mlxsw_sp_fid_family_unregister(mlxsw_sp, fid_family);
1853 }
1854 kfree(fid_core->port_fid_mappings);
1855 err_alloc_port_fid_mappings:
1856 rhashtable_destroy(&fid_core->vni_ht);
1857 err_rhashtable_vni_init:
1858 rhashtable_destroy(&fid_core->fid_ht);
1859 err_rhashtable_fid_init:
1860 kfree(fid_core);
1861 return err;
1862 }
1863
mlxsw_sp_fids_fini(struct mlxsw_sp * mlxsw_sp)1864 void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp)
1865 {
1866 struct mlxsw_sp_fid_core *fid_core = mlxsw_sp->fid_core;
1867 int i;
1868
1869 for (i = 0; i < MLXSW_SP_FID_TYPE_MAX; i++)
1870 mlxsw_sp_fid_family_unregister(mlxsw_sp,
1871 fid_core->fid_family_arr[i]);
1872 kfree(fid_core->port_fid_mappings);
1873 rhashtable_destroy(&fid_core->vni_ht);
1874 rhashtable_destroy(&fid_core->fid_ht);
1875 kfree(fid_core);
1876 }
1877