1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2019-2020 Realtek Corporation
3 */
4
5 #include "cam.h"
6 #include "debug.h"
7 #include "fw.h"
8 #include "mac.h"
9
10 static struct sk_buff *
rtw89_cam_get_sec_key_cmd(struct rtw89_dev * rtwdev,struct rtw89_sec_cam_entry * sec_cam,bool ext_key)11 rtw89_cam_get_sec_key_cmd(struct rtw89_dev *rtwdev,
12 struct rtw89_sec_cam_entry *sec_cam,
13 bool ext_key)
14 {
15 struct sk_buff *skb;
16 u32 cmd_len = H2C_SEC_CAM_LEN;
17 u32 key32[4];
18 u8 *cmd;
19 int i, j;
20
21 skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, cmd_len);
22 if (!skb)
23 return NULL;
24
25 skb_put_zero(skb, cmd_len);
26
27 for (i = 0; i < 4; i++) {
28 j = i * 4;
29 j += ext_key ? 16 : 0;
30 key32[i] = FIELD_PREP(GENMASK(7, 0), sec_cam->key[j + 0]) |
31 FIELD_PREP(GENMASK(15, 8), sec_cam->key[j + 1]) |
32 FIELD_PREP(GENMASK(23, 16), sec_cam->key[j + 2]) |
33 FIELD_PREP(GENMASK(31, 24), sec_cam->key[j + 3]);
34 }
35
36 cmd = skb->data;
37 RTW89_SET_FWCMD_SEC_IDX(cmd, sec_cam->sec_cam_idx + (ext_key ? 1 : 0));
38 RTW89_SET_FWCMD_SEC_OFFSET(cmd, sec_cam->offset);
39 RTW89_SET_FWCMD_SEC_LEN(cmd, sec_cam->len);
40 RTW89_SET_FWCMD_SEC_TYPE(cmd, sec_cam->type);
41 RTW89_SET_FWCMD_SEC_EXT_KEY(cmd, ext_key);
42 RTW89_SET_FWCMD_SEC_SPP_MODE(cmd, sec_cam->spp_mode);
43 RTW89_SET_FWCMD_SEC_KEY0(cmd, key32[0]);
44 RTW89_SET_FWCMD_SEC_KEY1(cmd, key32[1]);
45 RTW89_SET_FWCMD_SEC_KEY2(cmd, key32[2]);
46 RTW89_SET_FWCMD_SEC_KEY3(cmd, key32[3]);
47
48 return skb;
49 }
50
rtw89_cam_send_sec_key_cmd(struct rtw89_dev * rtwdev,struct rtw89_sec_cam_entry * sec_cam)51 static int rtw89_cam_send_sec_key_cmd(struct rtw89_dev *rtwdev,
52 struct rtw89_sec_cam_entry *sec_cam)
53 {
54 struct sk_buff *skb, *ext_skb;
55 int ret;
56
57 skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, false);
58 if (!skb) {
59 rtw89_err(rtwdev, "failed to get sec key command\n");
60 return -ENOMEM;
61 }
62
63 rtw89_h2c_pkt_set_hdr(rtwdev, skb,
64 FWCMD_TYPE_H2C,
65 H2C_CAT_MAC,
66 H2C_CL_MAC_SEC_CAM,
67 H2C_FUNC_MAC_SEC_UPD, 1, 0,
68 H2C_SEC_CAM_LEN);
69 ret = rtw89_h2c_tx(rtwdev, skb, false);
70 if (ret) {
71 rtw89_err(rtwdev, "failed to send sec key h2c: %d\n", ret);
72 dev_kfree_skb(skb);
73 return ret;
74 }
75
76 if (!sec_cam->ext_key)
77 return 0;
78
79 ext_skb = rtw89_cam_get_sec_key_cmd(rtwdev, sec_cam, true);
80 if (!ext_skb) {
81 rtw89_err(rtwdev, "failed to get ext sec key command\n");
82 return -ENOMEM;
83 }
84
85 rtw89_h2c_pkt_set_hdr(rtwdev, ext_skb,
86 FWCMD_TYPE_H2C,
87 H2C_CAT_MAC,
88 H2C_CL_MAC_SEC_CAM,
89 H2C_FUNC_MAC_SEC_UPD,
90 1, 0, H2C_SEC_CAM_LEN);
91 ret = rtw89_h2c_tx(rtwdev, ext_skb, false);
92 if (ret) {
93 rtw89_err(rtwdev, "failed to send ext sec key h2c: %d\n", ret);
94 dev_kfree_skb(ext_skb);
95 return ret;
96 }
97
98 return 0;
99 }
100
rtw89_cam_get_avail_sec_cam(struct rtw89_dev * rtwdev,u8 * sec_cam_idx,bool ext_key)101 static int rtw89_cam_get_avail_sec_cam(struct rtw89_dev *rtwdev,
102 u8 *sec_cam_idx, bool ext_key)
103 {
104 const struct rtw89_chip_info *chip = rtwdev->chip;
105 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
106 u8 sec_cam_num = chip->scam_num;
107 u8 idx = 0;
108
109 if (!ext_key) {
110 idx = find_first_zero_bit(cam_info->sec_cam_map, sec_cam_num);
111 if (idx >= sec_cam_num)
112 return -EBUSY;
113
114 set_bit(idx, cam_info->sec_cam_map);
115 *sec_cam_idx = idx;
116
117 return 0;
118 }
119
120 again:
121 idx = find_next_zero_bit(cam_info->sec_cam_map, sec_cam_num, idx);
122 if (idx >= sec_cam_num - 1)
123 return -EBUSY;
124 /* ext keys need two cam entries for 256-bit key */
125 if (test_bit(idx + 1, cam_info->sec_cam_map)) {
126 idx++;
127 goto again;
128 }
129
130 set_bit(idx, cam_info->sec_cam_map);
131 set_bit(idx + 1, cam_info->sec_cam_map);
132 *sec_cam_idx = idx;
133
134 return 0;
135 }
136
rtw89_cam_get_addr_cam_key_idx(struct rtw89_addr_cam_entry * addr_cam,struct rtw89_sec_cam_entry * sec_cam,struct ieee80211_key_conf * key,u8 * key_idx)137 static int rtw89_cam_get_addr_cam_key_idx(struct rtw89_addr_cam_entry *addr_cam,
138 struct rtw89_sec_cam_entry *sec_cam,
139 struct ieee80211_key_conf *key,
140 u8 *key_idx)
141 {
142 u8 idx;
143
144 /* RTW89_ADDR_CAM_SEC_NONE : not enabled
145 * RTW89_ADDR_CAM_SEC_ALL_UNI : 0 - 6 unicast
146 * RTW89_ADDR_CAM_SEC_NORMAL : 0 - 1 unicast, 2 - 4 group, 5 - 6 BIP
147 * RTW89_ADDR_CAM_SEC_4GROUP : 0 - 1 unicast, 2 - 5 group, 6 BIP
148 */
149 switch (addr_cam->sec_ent_mode) {
150 case RTW89_ADDR_CAM_SEC_NONE:
151 return -EINVAL;
152 case RTW89_ADDR_CAM_SEC_ALL_UNI:
153 idx = find_first_zero_bit(addr_cam->sec_cam_map,
154 RTW89_SEC_CAM_IN_ADDR_CAM);
155 if (idx >= RTW89_SEC_CAM_IN_ADDR_CAM)
156 return -EBUSY;
157 *key_idx = idx;
158 break;
159 case RTW89_ADDR_CAM_SEC_NORMAL:
160 if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
161 idx = find_next_zero_bit(addr_cam->sec_cam_map,
162 RTW89_SEC_CAM_IN_ADDR_CAM, 5);
163 if (idx > 6)
164 return -EBUSY;
165 *key_idx = idx;
166 break;
167 }
168
169 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
170 idx = find_next_zero_bit(addr_cam->sec_cam_map,
171 RTW89_SEC_CAM_IN_ADDR_CAM, 0);
172 if (idx > 1)
173 return -EBUSY;
174 *key_idx = idx;
175 break;
176 }
177
178 /* Group keys */
179 idx = find_next_zero_bit(addr_cam->sec_cam_map,
180 RTW89_SEC_CAM_IN_ADDR_CAM, 2);
181 if (idx > 4)
182 return -EBUSY;
183 *key_idx = idx;
184 break;
185 case RTW89_ADDR_CAM_SEC_4GROUP:
186 if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) {
187 if (test_bit(6, addr_cam->sec_cam_map))
188 return -EINVAL;
189 *key_idx = 6;
190 break;
191 }
192
193 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
194 idx = find_next_zero_bit(addr_cam->sec_cam_map,
195 RTW89_SEC_CAM_IN_ADDR_CAM, 0);
196 if (idx > 1)
197 return -EBUSY;
198 *key_idx = idx;
199 break;
200 }
201
202 /* Group keys */
203 idx = find_next_zero_bit(addr_cam->sec_cam_map,
204 RTW89_SEC_CAM_IN_ADDR_CAM, 2);
205 if (idx > 5)
206 return -EBUSY;
207 *key_idx = idx;
208 break;
209 }
210
211 return 0;
212 }
213
__rtw89_cam_detach_sec_cam(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,const struct rtw89_sec_cam_entry * sec_cam,bool inform_fw)214 static int __rtw89_cam_detach_sec_cam(struct rtw89_dev *rtwdev,
215 struct rtw89_vif_link *rtwvif_link,
216 struct rtw89_sta_link *rtwsta_link,
217 const struct rtw89_sec_cam_entry *sec_cam,
218 bool inform_fw)
219 {
220 struct rtw89_addr_cam_entry *addr_cam;
221 unsigned int i;
222 int ret = 0;
223
224 addr_cam = rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
225
226 for_each_set_bit(i, addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM) {
227 if (addr_cam->sec_ent[i] != sec_cam->sec_cam_idx)
228 continue;
229
230 clear_bit(i, addr_cam->sec_cam_map);
231 }
232
233 if (inform_fw) {
234 ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif_link, rtwsta_link);
235 if (ret)
236 rtw89_err(rtwdev,
237 "failed to update dctl cam del key: %d\n", ret);
238 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif_link, rtwsta_link, NULL);
239 if (ret)
240 rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret);
241 }
242
243 return ret;
244 }
245
__rtw89_cam_attach_sec_cam(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,struct ieee80211_key_conf * key,struct rtw89_sec_cam_entry * sec_cam)246 static int __rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
247 struct rtw89_vif_link *rtwvif_link,
248 struct rtw89_sta_link *rtwsta_link,
249 struct ieee80211_key_conf *key,
250 struct rtw89_sec_cam_entry *sec_cam)
251 {
252 struct rtw89_addr_cam_entry *addr_cam;
253 u8 key_idx = 0;
254 int ret;
255
256 addr_cam = rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
257
258 if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
259 key->cipher == WLAN_CIPHER_SUITE_WEP104)
260 addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_ALL_UNI;
261
262 ret = rtw89_cam_get_addr_cam_key_idx(addr_cam, sec_cam, key, &key_idx);
263 if (ret) {
264 rtw89_err(rtwdev, "failed to get addr cam key idx %d, %d\n",
265 addr_cam->sec_ent_mode, sec_cam->type);
266 return ret;
267 }
268
269 addr_cam->sec_ent_keyid[key_idx] = key->keyidx;
270 addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx;
271 set_bit(key_idx, addr_cam->sec_cam_map);
272 ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif_link, rtwsta_link);
273 if (ret) {
274 rtw89_err(rtwdev, "failed to update dctl cam sec entry: %d\n",
275 ret);
276 return ret;
277 }
278 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif_link, rtwsta_link, NULL);
279 if (ret) {
280 rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n",
281 ret);
282 clear_bit(key_idx, addr_cam->sec_cam_map);
283 return ret;
284 }
285
286 return 0;
287 }
288
rtw89_cam_detach_sec_cam(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,const struct rtw89_sec_cam_entry * sec_cam,bool inform_fw)289 static int rtw89_cam_detach_sec_cam(struct rtw89_dev *rtwdev,
290 struct ieee80211_vif *vif,
291 struct ieee80211_sta *sta,
292 const struct rtw89_sec_cam_entry *sec_cam,
293 bool inform_fw)
294 {
295 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
296 struct rtw89_sta_link *rtwsta_link;
297 struct rtw89_vif_link *rtwvif_link;
298 struct rtw89_vif *rtwvif;
299 unsigned int link_id;
300 int ret;
301
302 if (!vif) {
303 rtw89_err(rtwdev, "No iface for deleting sec cam\n");
304 return -EINVAL;
305 }
306
307 rtwvif = vif_to_rtwvif(vif);
308
309 rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) {
310 rtwsta_link = rtwsta ? rtwsta->links[link_id] : NULL;
311 if (rtwsta && !rtwsta_link)
312 continue;
313
314 ret = __rtw89_cam_detach_sec_cam(rtwdev, rtwvif_link, rtwsta_link,
315 sec_cam, inform_fw);
316 if (ret)
317 return ret;
318 }
319
320 return 0;
321 }
322
rtw89_cam_attach_sec_cam(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,struct rtw89_sec_cam_entry * sec_cam)323 static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
324 struct ieee80211_vif *vif,
325 struct ieee80211_sta *sta,
326 struct ieee80211_key_conf *key,
327 struct rtw89_sec_cam_entry *sec_cam)
328 {
329 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
330 struct rtw89_sta_link *rtwsta_link;
331 struct rtw89_vif_link *rtwvif_link;
332 struct rtw89_vif *rtwvif;
333 unsigned int link_id;
334 int key_link_id;
335 int ret;
336
337 if (!vif) {
338 rtw89_err(rtwdev, "No iface for adding sec cam\n");
339 return -EINVAL;
340 }
341
342 rtwvif = vif_to_rtwvif(vif);
343
344 key_link_id = ieee80211_vif_is_mld(vif) ? key->link_id : 0;
345 if (key_link_id >= 0) {
346 rtwvif_link = rtwvif->links[key_link_id];
347 rtwsta_link = rtwsta ? rtwsta->links[key_link_id] : NULL;
348
349 if (!rtwvif_link || (rtwsta && !rtwsta_link)) {
350 rtw89_err(rtwdev, "No drv link for adding sec cam\n");
351 return -ENOLINK;
352 }
353
354 return __rtw89_cam_attach_sec_cam(rtwdev, rtwvif_link,
355 rtwsta_link, key, sec_cam);
356 }
357
358 /* key_link_id < 0: MLD pairwise key */
359 if (!rtwsta) {
360 rtw89_err(rtwdev, "No sta for adding MLD pairwise sec cam\n");
361 return -EINVAL;
362 }
363
364 rtw89_sta_for_each_link(rtwsta, rtwsta_link, link_id) {
365 rtwvif_link = rtwsta_link->rtwvif_link;
366 ret = __rtw89_cam_attach_sec_cam(rtwdev, rtwvif_link,
367 rtwsta_link, key, sec_cam);
368 if (ret)
369 return ret;
370 }
371
372 return 0;
373 }
374
rtw89_cam_sec_key_install(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,u8 hw_key_type,bool ext_key)375 static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev,
376 struct ieee80211_vif *vif,
377 struct ieee80211_sta *sta,
378 struct ieee80211_key_conf *key,
379 u8 hw_key_type, bool ext_key)
380 {
381 struct rtw89_sec_cam_entry *sec_cam = NULL;
382 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
383 u8 sec_cam_idx;
384 int ret;
385
386 /* maximum key length 256-bit */
387 if (key->keylen > 32) {
388 rtw89_err(rtwdev, "invalid sec key length %d\n", key->keylen);
389 return -EINVAL;
390 }
391
392 ret = rtw89_cam_get_avail_sec_cam(rtwdev, &sec_cam_idx, ext_key);
393 if (ret) {
394 rtw89_warn(rtwdev, "no available sec cam: %d ext: %d\n",
395 ret, ext_key);
396 return ret;
397 }
398
399 sec_cam = kzalloc(sizeof(*sec_cam), GFP_KERNEL);
400 if (!sec_cam) {
401 ret = -ENOMEM;
402 goto err_release_cam;
403 }
404
405 key->hw_key_idx = sec_cam_idx;
406 cam_info->sec_entries[sec_cam_idx] = sec_cam;
407
408 sec_cam->sec_cam_idx = sec_cam_idx;
409 sec_cam->type = hw_key_type;
410 sec_cam->len = RTW89_SEC_CAM_LEN;
411 sec_cam->ext_key = ext_key;
412 memcpy(sec_cam->key, key->key, key->keylen);
413 ret = rtw89_cam_send_sec_key_cmd(rtwdev, sec_cam);
414 if (ret) {
415 rtw89_err(rtwdev, "failed to send sec key cmd: %d\n", ret);
416 goto err_release_cam;
417 }
418
419 /* associate with addr cam */
420 ret = rtw89_cam_attach_sec_cam(rtwdev, vif, sta, key, sec_cam);
421 if (ret) {
422 rtw89_err(rtwdev, "failed to attach sec cam: %d\n", ret);
423 goto err_release_cam;
424 }
425
426 return 0;
427
428 err_release_cam:
429 cam_info->sec_entries[sec_cam_idx] = NULL;
430 kfree(sec_cam);
431 clear_bit(sec_cam_idx, cam_info->sec_cam_map);
432 if (ext_key)
433 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
434
435 return ret;
436 }
437
rtw89_cam_sec_key_add(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)438 int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,
439 struct ieee80211_vif *vif,
440 struct ieee80211_sta *sta,
441 struct ieee80211_key_conf *key)
442 {
443 const struct rtw89_chip_info *chip = rtwdev->chip;
444 u8 hw_key_type;
445 bool ext_key = false;
446 int ret;
447
448 switch (key->cipher) {
449 case WLAN_CIPHER_SUITE_WEP40:
450 hw_key_type = RTW89_SEC_KEY_TYPE_WEP40;
451 break;
452 case WLAN_CIPHER_SUITE_WEP104:
453 hw_key_type = RTW89_SEC_KEY_TYPE_WEP104;
454 break;
455 case WLAN_CIPHER_SUITE_CCMP:
456 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP128;
457 if (!chip->hw_mgmt_tx_encrypt)
458 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
459 break;
460 case WLAN_CIPHER_SUITE_CCMP_256:
461 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP256;
462 if (!chip->hw_mgmt_tx_encrypt)
463 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
464 ext_key = true;
465 break;
466 case WLAN_CIPHER_SUITE_GCMP:
467 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP128;
468 if (!chip->hw_mgmt_tx_encrypt)
469 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
470 break;
471 case WLAN_CIPHER_SUITE_GCMP_256:
472 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP256;
473 if (!chip->hw_mgmt_tx_encrypt)
474 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
475 ext_key = true;
476 break;
477 case WLAN_CIPHER_SUITE_AES_CMAC:
478 hw_key_type = RTW89_SEC_KEY_TYPE_BIP_CCMP128;
479 break;
480 default:
481 return -EOPNOTSUPP;
482 }
483
484 if (!chip->hw_sec_hdr)
485 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
486
487 ret = rtw89_cam_sec_key_install(rtwdev, vif, sta, key, hw_key_type,
488 ext_key);
489 if (ret) {
490 rtw89_err(rtwdev, "failed to install key type %d ext %d: %d\n",
491 hw_key_type, ext_key, ret);
492 return ret;
493 }
494
495 return 0;
496 }
497
rtw89_cam_sec_key_del(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,bool inform_fw)498 int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev,
499 struct ieee80211_vif *vif,
500 struct ieee80211_sta *sta,
501 struct ieee80211_key_conf *key,
502 bool inform_fw)
503 {
504 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
505 const struct rtw89_sec_cam_entry *sec_cam;
506 u8 sec_cam_idx;
507 int ret;
508
509 sec_cam_idx = key->hw_key_idx;
510 sec_cam = cam_info->sec_entries[sec_cam_idx];
511 if (!sec_cam)
512 return -EINVAL;
513
514 ret = rtw89_cam_detach_sec_cam(rtwdev, vif, sta, sec_cam, inform_fw);
515
516 /* clear valid bit in addr cam will disable sec cam,
517 * so we don't need to send H2C command again
518 */
519 cam_info->sec_entries[sec_cam_idx] = NULL;
520 clear_bit(sec_cam_idx, cam_info->sec_cam_map);
521 if (sec_cam->ext_key)
522 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
523
524 kfree(sec_cam);
525
526 return ret;
527 }
528
rtw89_cam_reset_key_iter(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,void * data)529 static void rtw89_cam_reset_key_iter(struct ieee80211_hw *hw,
530 struct ieee80211_vif *vif,
531 struct ieee80211_sta *sta,
532 struct ieee80211_key_conf *key,
533 void *data)
534 {
535 struct rtw89_dev *rtwdev = (struct rtw89_dev *)data;
536
537 rtw89_cam_sec_key_del(rtwdev, vif, sta, key, false);
538 }
539
rtw89_cam_deinit_addr_cam(struct rtw89_dev * rtwdev,struct rtw89_addr_cam_entry * addr_cam)540 void rtw89_cam_deinit_addr_cam(struct rtw89_dev *rtwdev,
541 struct rtw89_addr_cam_entry *addr_cam)
542 {
543 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
544
545 addr_cam->valid = false;
546 clear_bit(addr_cam->addr_cam_idx, cam_info->addr_cam_map);
547 }
548
rtw89_cam_deinit_bssid_cam(struct rtw89_dev * rtwdev,struct rtw89_bssid_cam_entry * bssid_cam)549 void rtw89_cam_deinit_bssid_cam(struct rtw89_dev *rtwdev,
550 struct rtw89_bssid_cam_entry *bssid_cam)
551 {
552 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
553
554 bssid_cam->valid = false;
555 clear_bit(bssid_cam->bssid_cam_idx, cam_info->bssid_cam_map);
556 }
557
rtw89_cam_deinit(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)558 void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
559 {
560 struct rtw89_addr_cam_entry *addr_cam = &rtwvif_link->addr_cam;
561 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
562
563 rtw89_cam_deinit_addr_cam(rtwdev, addr_cam);
564 rtw89_cam_deinit_bssid_cam(rtwdev, bssid_cam);
565 }
566
rtw89_cam_reset_keys(struct rtw89_dev * rtwdev)567 void rtw89_cam_reset_keys(struct rtw89_dev *rtwdev)
568 {
569 rcu_read_lock();
570 ieee80211_iter_keys_rcu(rtwdev->hw, NULL, rtw89_cam_reset_key_iter, rtwdev);
571 rcu_read_unlock();
572 }
573
rtw89_cam_get_avail_addr_cam(struct rtw89_dev * rtwdev,u8 * addr_cam_idx)574 static int rtw89_cam_get_avail_addr_cam(struct rtw89_dev *rtwdev,
575 u8 *addr_cam_idx)
576 {
577 const struct rtw89_chip_info *chip = rtwdev->chip;
578 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
579 u8 addr_cam_num = chip->acam_num;
580 u8 idx;
581
582 idx = find_first_zero_bit(cam_info->addr_cam_map, addr_cam_num);
583 if (idx >= addr_cam_num)
584 return -EBUSY;
585
586 set_bit(idx, cam_info->addr_cam_map);
587 *addr_cam_idx = idx;
588
589 return 0;
590 }
591
rtw89_get_addr_cam_entry_size(struct rtw89_dev * rtwdev)592 static u8 rtw89_get_addr_cam_entry_size(struct rtw89_dev *rtwdev)
593 {
594 const struct rtw89_chip_info *chip = rtwdev->chip;
595
596 switch (chip->chip_id) {
597 case RTL8852A:
598 case RTL8852B:
599 case RTL8851B:
600 case RTL8852BT:
601 return ADDR_CAM_ENT_SIZE;
602 default:
603 return ADDR_CAM_ENT_SHORT_SIZE;
604 }
605 }
606
rtw89_cam_init_addr_cam(struct rtw89_dev * rtwdev,struct rtw89_addr_cam_entry * addr_cam,const struct rtw89_bssid_cam_entry * bssid_cam)607 int rtw89_cam_init_addr_cam(struct rtw89_dev *rtwdev,
608 struct rtw89_addr_cam_entry *addr_cam,
609 const struct rtw89_bssid_cam_entry *bssid_cam)
610 {
611 u8 addr_cam_idx;
612 int i;
613 int ret;
614
615 if (unlikely(addr_cam->valid)) {
616 rtw89_debug(rtwdev, RTW89_DBG_FW,
617 "addr cam is already valid; skip init\n");
618 return 0;
619 }
620
621 ret = rtw89_cam_get_avail_addr_cam(rtwdev, &addr_cam_idx);
622 if (ret) {
623 rtw89_err(rtwdev, "failed to get available addr cam\n");
624 return ret;
625 }
626
627 addr_cam->addr_cam_idx = addr_cam_idx;
628 addr_cam->len = rtw89_get_addr_cam_entry_size(rtwdev);
629 addr_cam->offset = 0;
630 addr_cam->valid = true;
631 addr_cam->addr_mask = 0;
632 addr_cam->mask_sel = RTW89_NO_MSK;
633 addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL;
634 bitmap_zero(addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM);
635
636 for (i = 0; i < RTW89_SEC_CAM_IN_ADDR_CAM; i++) {
637 addr_cam->sec_ent_keyid[i] = 0;
638 addr_cam->sec_ent[i] = 0;
639 }
640
641 /* associate addr cam with bssid cam */
642 addr_cam->bssid_cam_idx = bssid_cam->bssid_cam_idx;
643
644 return 0;
645 }
646
rtw89_cam_get_avail_bssid_cam(struct rtw89_dev * rtwdev,u8 * bssid_cam_idx)647 static int rtw89_cam_get_avail_bssid_cam(struct rtw89_dev *rtwdev,
648 u8 *bssid_cam_idx)
649 {
650 const struct rtw89_chip_info *chip = rtwdev->chip;
651 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
652 u8 bssid_cam_num = chip->bcam_num;
653 u8 idx;
654
655 idx = find_first_zero_bit(cam_info->bssid_cam_map, bssid_cam_num);
656 if (idx >= bssid_cam_num)
657 return -EBUSY;
658
659 set_bit(idx, cam_info->bssid_cam_map);
660 *bssid_cam_idx = idx;
661
662 return 0;
663 }
664
rtw89_cam_init_bssid_cam(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_bssid_cam_entry * bssid_cam,const u8 * bssid)665 int rtw89_cam_init_bssid_cam(struct rtw89_dev *rtwdev,
666 struct rtw89_vif_link *rtwvif_link,
667 struct rtw89_bssid_cam_entry *bssid_cam,
668 const u8 *bssid)
669 {
670 u8 bssid_cam_idx;
671 int ret;
672
673 if (unlikely(bssid_cam->valid)) {
674 rtw89_debug(rtwdev, RTW89_DBG_FW,
675 "bssid cam is already valid; skip init\n");
676 return 0;
677 }
678
679 ret = rtw89_cam_get_avail_bssid_cam(rtwdev, &bssid_cam_idx);
680 if (ret) {
681 rtw89_err(rtwdev, "failed to get available bssid cam\n");
682 return ret;
683 }
684
685 bssid_cam->bssid_cam_idx = bssid_cam_idx;
686 bssid_cam->phy_idx = rtwvif_link->phy_idx;
687 bssid_cam->len = BSSID_CAM_ENT_SIZE;
688 bssid_cam->offset = 0;
689 bssid_cam->valid = true;
690 ether_addr_copy(bssid_cam->bssid, bssid);
691
692 return 0;
693 }
694
rtw89_cam_bssid_changed(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)695 void rtw89_cam_bssid_changed(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
696 {
697 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
698
699 ether_addr_copy(bssid_cam->bssid, rtwvif_link->bssid);
700 }
701
rtw89_cam_init(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)702 int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
703 {
704 struct rtw89_addr_cam_entry *addr_cam = &rtwvif_link->addr_cam;
705 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
706 int ret;
707
708 ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif_link, bssid_cam,
709 rtwvif_link->bssid);
710 if (ret) {
711 rtw89_err(rtwdev, "failed to init bssid cam\n");
712 return ret;
713 }
714
715 ret = rtw89_cam_init_addr_cam(rtwdev, addr_cam, bssid_cam);
716 if (ret) {
717 rtw89_err(rtwdev, "failed to init addr cam\n");
718 return ret;
719 }
720
721 return 0;
722 }
723
rtw89_cam_fill_bssid_cam_info(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,u8 * cmd)724 int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
725 struct rtw89_vif_link *rtwvif_link,
726 struct rtw89_sta_link *rtwsta_link, u8 *cmd)
727 {
728 struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif_link,
729 rtwsta_link);
730 struct ieee80211_bss_conf *bss_conf;
731 u8 bss_color;
732 u8 bss_mask;
733
734 rcu_read_lock();
735
736 bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false);
737 bss_color = bss_conf->he_bss_color.color;
738
739 if (bss_conf->nontransmitted)
740 bss_mask = RTW89_BSSID_MATCH_5_BYTES;
741 else
742 bss_mask = RTW89_BSSID_MATCH_ALL;
743
744 rcu_read_unlock();
745
746 FWCMD_SET_ADDR_BSSID_IDX(cmd, bssid_cam->bssid_cam_idx);
747 FWCMD_SET_ADDR_BSSID_OFFSET(cmd, bssid_cam->offset);
748 FWCMD_SET_ADDR_BSSID_LEN(cmd, bssid_cam->len);
749 FWCMD_SET_ADDR_BSSID_VALID(cmd, bssid_cam->valid);
750 FWCMD_SET_ADDR_BSSID_MASK(cmd, bss_mask);
751 FWCMD_SET_ADDR_BSSID_BB_SEL(cmd, bssid_cam->phy_idx);
752 FWCMD_SET_ADDR_BSSID_BSS_COLOR(cmd, bss_color);
753
754 FWCMD_SET_ADDR_BSSID_BSSID0(cmd, bssid_cam->bssid[0]);
755 FWCMD_SET_ADDR_BSSID_BSSID1(cmd, bssid_cam->bssid[1]);
756 FWCMD_SET_ADDR_BSSID_BSSID2(cmd, bssid_cam->bssid[2]);
757 FWCMD_SET_ADDR_BSSID_BSSID3(cmd, bssid_cam->bssid[3]);
758 FWCMD_SET_ADDR_BSSID_BSSID4(cmd, bssid_cam->bssid[4]);
759 FWCMD_SET_ADDR_BSSID_BSSID5(cmd, bssid_cam->bssid[5]);
760
761 return 0;
762 }
763
rtw89_cam_addr_hash(u8 start,const u8 * addr)764 static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr)
765 {
766 u8 hash = 0;
767 u8 i;
768
769 for (i = start; i < ETH_ALEN; i++)
770 hash ^= addr[i];
771
772 return hash;
773 }
774
rtw89_cam_fill_addr_cam_info(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,const u8 * scan_mac_addr,u8 * cmd)775 void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
776 struct rtw89_vif_link *rtwvif_link,
777 struct rtw89_sta_link *rtwsta_link,
778 const u8 *scan_mac_addr,
779 u8 *cmd)
780 {
781 struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link);
782 struct rtw89_addr_cam_entry *addr_cam =
783 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
784 struct ieee80211_sta *sta = rtwsta_link_to_sta_safe(rtwsta_link);
785 struct ieee80211_link_sta *link_sta;
786 const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif_link->mac_addr;
787 u8 sma_hash, tma_hash, addr_msk_start;
788 u8 sma_start = 0;
789 u8 tma_start = 0;
790 const u8 *tma;
791
792 rcu_read_lock();
793
794 if (sta) {
795 link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true);
796 tma = link_sta->addr;
797 } else {
798 tma = rtwvif_link->bssid;
799 }
800
801 if (addr_cam->addr_mask != 0) {
802 addr_msk_start = __ffs(addr_cam->addr_mask);
803 if (addr_cam->mask_sel == RTW89_SMA)
804 sma_start = addr_msk_start;
805 else if (addr_cam->mask_sel == RTW89_TMA)
806 tma_start = addr_msk_start;
807 }
808 sma_hash = rtw89_cam_addr_hash(sma_start, sma);
809 tma_hash = rtw89_cam_addr_hash(tma_start, tma);
810
811 FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx);
812 FWCMD_SET_ADDR_OFFSET(cmd, addr_cam->offset);
813 FWCMD_SET_ADDR_LEN(cmd, addr_cam->len);
814
815 FWCMD_SET_ADDR_VALID(cmd, addr_cam->valid);
816 FWCMD_SET_ADDR_NET_TYPE(cmd, rtwvif_link->net_type);
817 FWCMD_SET_ADDR_BCN_HIT_COND(cmd, rtwvif_link->bcn_hit_cond);
818 FWCMD_SET_ADDR_HIT_RULE(cmd, rtwvif_link->hit_rule);
819 FWCMD_SET_ADDR_BB_SEL(cmd, rtwvif_link->phy_idx);
820 FWCMD_SET_ADDR_ADDR_MASK(cmd, addr_cam->addr_mask);
821 FWCMD_SET_ADDR_MASK_SEL(cmd, addr_cam->mask_sel);
822 FWCMD_SET_ADDR_SMA_HASH(cmd, sma_hash);
823 FWCMD_SET_ADDR_TMA_HASH(cmd, tma_hash);
824
825 FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx);
826
827 FWCMD_SET_ADDR_SMA0(cmd, sma[0]);
828 FWCMD_SET_ADDR_SMA1(cmd, sma[1]);
829 FWCMD_SET_ADDR_SMA2(cmd, sma[2]);
830 FWCMD_SET_ADDR_SMA3(cmd, sma[3]);
831 FWCMD_SET_ADDR_SMA4(cmd, sma[4]);
832 FWCMD_SET_ADDR_SMA5(cmd, sma[5]);
833
834 FWCMD_SET_ADDR_TMA0(cmd, tma[0]);
835 FWCMD_SET_ADDR_TMA1(cmd, tma[1]);
836 FWCMD_SET_ADDR_TMA2(cmd, tma[2]);
837 FWCMD_SET_ADDR_TMA3(cmd, tma[3]);
838 FWCMD_SET_ADDR_TMA4(cmd, tma[4]);
839 FWCMD_SET_ADDR_TMA5(cmd, tma[5]);
840
841 FWCMD_SET_ADDR_PORT_INT(cmd, rtwvif_link->port);
842 FWCMD_SET_ADDR_TSF_SYNC(cmd, rtwvif_link->port);
843 FWCMD_SET_ADDR_TF_TRS(cmd, rtwvif_link->trigger);
844 FWCMD_SET_ADDR_LSIG_TXOP(cmd, rtwvif_link->lsig_txop);
845 FWCMD_SET_ADDR_TGT_IND(cmd, rtwvif_link->tgt_ind);
846 FWCMD_SET_ADDR_FRM_TGT_IND(cmd, rtwvif_link->frm_tgt_ind);
847 FWCMD_SET_ADDR_MACID(cmd, rtwsta_link ? rtwsta_link->mac_id :
848 rtwvif_link->mac_id);
849 if (rtwvif_link->net_type == RTW89_NET_TYPE_INFRA)
850 FWCMD_SET_ADDR_AID12(cmd, vif->cfg.aid & 0xfff);
851 else if (rtwvif_link->net_type == RTW89_NET_TYPE_AP_MODE)
852 FWCMD_SET_ADDR_AID12(cmd, sta ? sta->aid & 0xfff : 0);
853 FWCMD_SET_ADDR_WOL_PATTERN(cmd, rtwvif_link->wowlan_pattern);
854 FWCMD_SET_ADDR_WOL_UC(cmd, rtwvif_link->wowlan_uc);
855 FWCMD_SET_ADDR_WOL_MAGIC(cmd, rtwvif_link->wowlan_magic);
856 FWCMD_SET_ADDR_WAPI(cmd, addr_cam->wapi);
857 FWCMD_SET_ADDR_SEC_ENT_MODE(cmd, addr_cam->sec_ent_mode);
858 FWCMD_SET_ADDR_SEC_ENT0_KEYID(cmd, addr_cam->sec_ent_keyid[0]);
859 FWCMD_SET_ADDR_SEC_ENT1_KEYID(cmd, addr_cam->sec_ent_keyid[1]);
860 FWCMD_SET_ADDR_SEC_ENT2_KEYID(cmd, addr_cam->sec_ent_keyid[2]);
861 FWCMD_SET_ADDR_SEC_ENT3_KEYID(cmd, addr_cam->sec_ent_keyid[3]);
862 FWCMD_SET_ADDR_SEC_ENT4_KEYID(cmd, addr_cam->sec_ent_keyid[4]);
863 FWCMD_SET_ADDR_SEC_ENT5_KEYID(cmd, addr_cam->sec_ent_keyid[5]);
864 FWCMD_SET_ADDR_SEC_ENT6_KEYID(cmd, addr_cam->sec_ent_keyid[6]);
865
866 FWCMD_SET_ADDR_SEC_ENT_VALID(cmd, addr_cam->sec_cam_map[0] & 0xff);
867 FWCMD_SET_ADDR_SEC_ENT0(cmd, addr_cam->sec_ent[0]);
868 FWCMD_SET_ADDR_SEC_ENT1(cmd, addr_cam->sec_ent[1]);
869 FWCMD_SET_ADDR_SEC_ENT2(cmd, addr_cam->sec_ent[2]);
870 FWCMD_SET_ADDR_SEC_ENT3(cmd, addr_cam->sec_ent[3]);
871 FWCMD_SET_ADDR_SEC_ENT4(cmd, addr_cam->sec_ent[4]);
872 FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]);
873 FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]);
874
875 rcu_read_unlock();
876 }
877
rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,struct rtw89_h2c_dctlinfo_ud_v1 * h2c)878 void rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev *rtwdev,
879 struct rtw89_vif_link *rtwvif_link,
880 struct rtw89_sta_link *rtwsta_link,
881 struct rtw89_h2c_dctlinfo_ud_v1 *h2c)
882 {
883 struct rtw89_addr_cam_entry *addr_cam =
884 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
885 struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
886 u8 *ptk_tx_iv = rtw_wow->key_info.ptk_tx_iv;
887
888 h2c->c0 = le32_encode_bits(rtwsta_link ? rtwsta_link->mac_id :
889 rtwvif_link->mac_id,
890 DCTLINFO_V1_C0_MACID) |
891 le32_encode_bits(1, DCTLINFO_V1_C0_OP);
892
893 h2c->w4 = le32_encode_bits(addr_cam->sec_ent_keyid[0],
894 DCTLINFO_V1_W4_SEC_ENT0_KEYID) |
895 le32_encode_bits(addr_cam->sec_ent_keyid[1],
896 DCTLINFO_V1_W4_SEC_ENT1_KEYID) |
897 le32_encode_bits(addr_cam->sec_ent_keyid[2],
898 DCTLINFO_V1_W4_SEC_ENT2_KEYID) |
899 le32_encode_bits(addr_cam->sec_ent_keyid[3],
900 DCTLINFO_V1_W4_SEC_ENT3_KEYID) |
901 le32_encode_bits(addr_cam->sec_ent_keyid[4],
902 DCTLINFO_V1_W4_SEC_ENT4_KEYID) |
903 le32_encode_bits(addr_cam->sec_ent_keyid[5],
904 DCTLINFO_V1_W4_SEC_ENT5_KEYID) |
905 le32_encode_bits(addr_cam->sec_ent_keyid[6],
906 DCTLINFO_V1_W4_SEC_ENT6_KEYID);
907 h2c->m4 = cpu_to_le32(DCTLINFO_V1_W4_SEC_ENT0_KEYID |
908 DCTLINFO_V1_W4_SEC_ENT1_KEYID |
909 DCTLINFO_V1_W4_SEC_ENT2_KEYID |
910 DCTLINFO_V1_W4_SEC_ENT3_KEYID |
911 DCTLINFO_V1_W4_SEC_ENT4_KEYID |
912 DCTLINFO_V1_W4_SEC_ENT5_KEYID |
913 DCTLINFO_V1_W4_SEC_ENT6_KEYID);
914
915 h2c->w5 = le32_encode_bits(addr_cam->sec_cam_map[0] & 0xff,
916 DCTLINFO_V1_W5_SEC_ENT_VALID) |
917 le32_encode_bits(addr_cam->sec_ent[0],
918 DCTLINFO_V1_W5_SEC_ENT0) |
919 le32_encode_bits(addr_cam->sec_ent[1],
920 DCTLINFO_V1_W5_SEC_ENT1) |
921 le32_encode_bits(addr_cam->sec_ent[2],
922 DCTLINFO_V1_W5_SEC_ENT2);
923 h2c->m5 = cpu_to_le32(DCTLINFO_V1_W5_SEC_ENT_VALID |
924 DCTLINFO_V1_W5_SEC_ENT0 |
925 DCTLINFO_V1_W5_SEC_ENT1 |
926 DCTLINFO_V1_W5_SEC_ENT2);
927
928 h2c->w6 = le32_encode_bits(addr_cam->sec_ent[3],
929 DCTLINFO_V1_W6_SEC_ENT3) |
930 le32_encode_bits(addr_cam->sec_ent[4],
931 DCTLINFO_V1_W6_SEC_ENT4) |
932 le32_encode_bits(addr_cam->sec_ent[5],
933 DCTLINFO_V1_W6_SEC_ENT5) |
934 le32_encode_bits(addr_cam->sec_ent[6],
935 DCTLINFO_V1_W6_SEC_ENT6);
936 h2c->m6 = cpu_to_le32(DCTLINFO_V1_W6_SEC_ENT3 |
937 DCTLINFO_V1_W6_SEC_ENT4 |
938 DCTLINFO_V1_W6_SEC_ENT5 |
939 DCTLINFO_V1_W6_SEC_ENT6);
940
941 if (rtw_wow->ptk_alg) {
942 h2c->w0 = le32_encode_bits(ptk_tx_iv[0] | ptk_tx_iv[1] << 8,
943 DCTLINFO_V1_W0_AES_IV_L);
944 h2c->m0 = cpu_to_le32(DCTLINFO_V1_W0_AES_IV_L);
945
946 h2c->w1 = le32_encode_bits(ptk_tx_iv[4] |
947 ptk_tx_iv[5] << 8 |
948 ptk_tx_iv[6] << 16 |
949 ptk_tx_iv[7] << 24,
950 DCTLINFO_V1_W1_AES_IV_H);
951 h2c->m1 = cpu_to_le32(DCTLINFO_V1_W1_AES_IV_H);
952
953 h2c->w4 |= le32_encode_bits(rtw_wow->ptk_keyidx,
954 DCTLINFO_V1_W4_SEC_KEY_ID);
955 h2c->m4 |= cpu_to_le32(DCTLINFO_V1_W4_SEC_KEY_ID);
956 }
957 }
958
rtw89_cam_fill_dctl_sec_cam_info_v2(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,struct rtw89_h2c_dctlinfo_ud_v2 * h2c)959 void rtw89_cam_fill_dctl_sec_cam_info_v2(struct rtw89_dev *rtwdev,
960 struct rtw89_vif_link *rtwvif_link,
961 struct rtw89_sta_link *rtwsta_link,
962 struct rtw89_h2c_dctlinfo_ud_v2 *h2c)
963 {
964 struct ieee80211_sta *sta = rtwsta_link_to_sta_safe(rtwsta_link);
965 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif_link->rtwvif);
966 struct rtw89_vif *rtwvif = rtwvif_link->rtwvif;
967 struct rtw89_addr_cam_entry *addr_cam =
968 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
969 bool is_mld = sta ? sta->mlo : ieee80211_vif_is_mld(vif);
970 struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
971 u8 *ptk_tx_iv = rtw_wow->key_info.ptk_tx_iv;
972 u8 *mld_sma, *mld_tma, *mld_bssid;
973
974 h2c->c0 = le32_encode_bits(rtwsta_link ? rtwsta_link->mac_id :
975 rtwvif_link->mac_id,
976 DCTLINFO_V2_C0_MACID) |
977 le32_encode_bits(1, DCTLINFO_V2_C0_OP);
978
979 h2c->w2 = le32_encode_bits(is_mld, DCTLINFO_V2_W2_IS_MLD);
980 h2c->m2 = cpu_to_le32(DCTLINFO_V2_W2_IS_MLD);
981
982 h2c->w4 = le32_encode_bits(addr_cam->sec_ent_keyid[0],
983 DCTLINFO_V2_W4_SEC_ENT0_KEYID) |
984 le32_encode_bits(addr_cam->sec_ent_keyid[1],
985 DCTLINFO_V2_W4_SEC_ENT1_KEYID) |
986 le32_encode_bits(addr_cam->sec_ent_keyid[2],
987 DCTLINFO_V2_W4_SEC_ENT2_KEYID) |
988 le32_encode_bits(addr_cam->sec_ent_keyid[3],
989 DCTLINFO_V2_W4_SEC_ENT3_KEYID) |
990 le32_encode_bits(addr_cam->sec_ent_keyid[4],
991 DCTLINFO_V2_W4_SEC_ENT4_KEYID) |
992 le32_encode_bits(addr_cam->sec_ent_keyid[5],
993 DCTLINFO_V2_W4_SEC_ENT5_KEYID) |
994 le32_encode_bits(addr_cam->sec_ent_keyid[6],
995 DCTLINFO_V2_W4_SEC_ENT6_KEYID);
996 h2c->m4 = cpu_to_le32(DCTLINFO_V2_W4_SEC_ENT0_KEYID |
997 DCTLINFO_V2_W4_SEC_ENT1_KEYID |
998 DCTLINFO_V2_W4_SEC_ENT2_KEYID |
999 DCTLINFO_V2_W4_SEC_ENT3_KEYID |
1000 DCTLINFO_V2_W4_SEC_ENT4_KEYID |
1001 DCTLINFO_V2_W4_SEC_ENT5_KEYID |
1002 DCTLINFO_V2_W4_SEC_ENT6_KEYID);
1003
1004 h2c->w5 = le32_encode_bits(addr_cam->sec_cam_map[0],
1005 DCTLINFO_V2_W5_SEC_ENT_VALID_V1) |
1006 le32_encode_bits(addr_cam->sec_ent[0],
1007 DCTLINFO_V2_W5_SEC_ENT0_V1);
1008 h2c->m5 = cpu_to_le32(DCTLINFO_V2_W5_SEC_ENT_VALID_V1 |
1009 DCTLINFO_V2_W5_SEC_ENT0_V1);
1010
1011 h2c->w6 = le32_encode_bits(addr_cam->sec_ent[1],
1012 DCTLINFO_V2_W6_SEC_ENT1_V1) |
1013 le32_encode_bits(addr_cam->sec_ent[2],
1014 DCTLINFO_V2_W6_SEC_ENT2_V1) |
1015 le32_encode_bits(addr_cam->sec_ent[3],
1016 DCTLINFO_V2_W6_SEC_ENT3_V1) |
1017 le32_encode_bits(addr_cam->sec_ent[4],
1018 DCTLINFO_V2_W6_SEC_ENT4_V1);
1019 h2c->m6 = cpu_to_le32(DCTLINFO_V2_W6_SEC_ENT1_V1 |
1020 DCTLINFO_V2_W6_SEC_ENT2_V1 |
1021 DCTLINFO_V2_W6_SEC_ENT3_V1 |
1022 DCTLINFO_V2_W6_SEC_ENT4_V1);
1023
1024 h2c->w7 = le32_encode_bits(addr_cam->sec_ent[5],
1025 DCTLINFO_V2_W7_SEC_ENT5_V1) |
1026 le32_encode_bits(addr_cam->sec_ent[6],
1027 DCTLINFO_V2_W7_SEC_ENT6_V1);
1028 h2c->m7 = cpu_to_le32(DCTLINFO_V2_W7_SEC_ENT5_V1 |
1029 DCTLINFO_V2_W7_SEC_ENT6_V1);
1030
1031 if (rtw_wow->ptk_alg) {
1032 h2c->w0 = le32_encode_bits(ptk_tx_iv[0] | ptk_tx_iv[1] << 8,
1033 DCTLINFO_V2_W0_AES_IV_L);
1034 h2c->m0 = cpu_to_le32(DCTLINFO_V2_W0_AES_IV_L);
1035
1036 h2c->w1 = le32_encode_bits(ptk_tx_iv[4] |
1037 ptk_tx_iv[5] << 8 |
1038 ptk_tx_iv[6] << 16 |
1039 ptk_tx_iv[7] << 24,
1040 DCTLINFO_V2_W1_AES_IV_H);
1041 h2c->m1 = cpu_to_le32(DCTLINFO_V2_W1_AES_IV_H);
1042
1043 h2c->w4 |= le32_encode_bits(rtw_wow->ptk_keyidx,
1044 DCTLINFO_V2_W4_SEC_KEY_ID);
1045 h2c->m4 |= cpu_to_le32(DCTLINFO_V2_W4_SEC_KEY_ID);
1046 }
1047
1048 if (!is_mld)
1049 return;
1050
1051 if (rtwvif_link->net_type == RTW89_NET_TYPE_INFRA) {
1052 mld_sma = rtwvif->mac_addr;
1053 mld_tma = vif->cfg.ap_addr;
1054 mld_bssid = vif->cfg.ap_addr;
1055 } else if (rtwvif_link->net_type == RTW89_NET_TYPE_AP_MODE && sta) {
1056 mld_sma = rtwvif->mac_addr;
1057 mld_tma = sta->addr;
1058 mld_bssid = rtwvif->mac_addr;
1059 } else {
1060 return;
1061 }
1062
1063 h2c->w8 = le32_encode_bits(mld_sma[0], DCTLINFO_V2_W8_MLD_SMA_0) |
1064 le32_encode_bits(mld_sma[1], DCTLINFO_V2_W8_MLD_SMA_1) |
1065 le32_encode_bits(mld_sma[2], DCTLINFO_V2_W8_MLD_SMA_2) |
1066 le32_encode_bits(mld_sma[3], DCTLINFO_V2_W8_MLD_SMA_3);
1067 h2c->m8 = cpu_to_le32(DCTLINFO_V2_W8_ALL);
1068
1069 h2c->w9 = le32_encode_bits(mld_sma[4], DCTLINFO_V2_W9_MLD_SMA_4) |
1070 le32_encode_bits(mld_sma[5], DCTLINFO_V2_W9_MLD_SMA_5) |
1071 le32_encode_bits(mld_tma[0], DCTLINFO_V2_W9_MLD_TMA_0) |
1072 le32_encode_bits(mld_tma[1], DCTLINFO_V2_W9_MLD_TMA_1);
1073 h2c->m9 = cpu_to_le32(DCTLINFO_V2_W9_ALL);
1074
1075 h2c->w10 = le32_encode_bits(mld_tma[2], DCTLINFO_V2_W10_MLD_TMA_2) |
1076 le32_encode_bits(mld_tma[3], DCTLINFO_V2_W10_MLD_TMA_3) |
1077 le32_encode_bits(mld_tma[4], DCTLINFO_V2_W10_MLD_TMA_4) |
1078 le32_encode_bits(mld_tma[5], DCTLINFO_V2_W10_MLD_TMA_5);
1079 h2c->m10 = cpu_to_le32(DCTLINFO_V2_W10_ALL);
1080
1081 h2c->w11 = le32_encode_bits(mld_bssid[0], DCTLINFO_V2_W11_MLD_BSSID_0) |
1082 le32_encode_bits(mld_bssid[1], DCTLINFO_V2_W11_MLD_BSSID_1) |
1083 le32_encode_bits(mld_bssid[2], DCTLINFO_V2_W11_MLD_BSSID_2) |
1084 le32_encode_bits(mld_bssid[3], DCTLINFO_V2_W11_MLD_BSSID_3);
1085 h2c->m11 = cpu_to_le32(DCTLINFO_V2_W11_ALL);
1086
1087 h2c->w12 = le32_encode_bits(mld_bssid[4], DCTLINFO_V2_W12_MLD_BSSID_4) |
1088 le32_encode_bits(mld_bssid[5], DCTLINFO_V2_W12_MLD_BSSID_5);
1089 h2c->m12 = cpu_to_le32(DCTLINFO_V2_W12_ALL);
1090 }
1091