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,const struct rtw89_sec_cam_entry * sec_cam,const 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 const struct rtw89_sec_cam_entry *sec_cam,
139 const 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,const struct ieee80211_key_conf * key,const 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 const struct ieee80211_key_conf *key,
250 const 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_attach_link_sec_cam(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,u8 sec_cam_idx)289 int rtw89_cam_attach_link_sec_cam(struct rtw89_dev *rtwdev,
290 struct rtw89_vif_link *rtwvif_link,
291 struct rtw89_sta_link *rtwsta_link,
292 u8 sec_cam_idx)
293 {
294 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
295 const struct rtw89_sec_cam_entry *sec_cam;
296
297 sec_cam = cam_info->sec_entries[sec_cam_idx];
298 if (!sec_cam)
299 return -ENOENT;
300
301 return __rtw89_cam_attach_sec_cam(rtwdev, rtwvif_link, rtwsta_link,
302 sec_cam->key_conf, sec_cam);
303 }
304
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)305 static int rtw89_cam_detach_sec_cam(struct rtw89_dev *rtwdev,
306 struct ieee80211_vif *vif,
307 struct ieee80211_sta *sta,
308 const struct rtw89_sec_cam_entry *sec_cam,
309 bool inform_fw)
310 {
311 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
312 struct rtw89_sta_link *rtwsta_link;
313 struct rtw89_vif_link *rtwvif_link;
314 struct rtw89_vif *rtwvif;
315 unsigned int link_id;
316 int ret;
317
318 if (!vif) {
319 rtw89_err(rtwdev, "No iface for deleting sec cam\n");
320 return -EINVAL;
321 }
322
323 rtwvif = vif_to_rtwvif(vif);
324
325 if (rtwsta)
326 clear_bit(sec_cam->sec_cam_idx, rtwsta->pairwise_sec_cam_map);
327
328 rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) {
329 rtwsta_link = rtwsta ? rtwsta->links[link_id] : NULL;
330 if (rtwsta && !rtwsta_link)
331 continue;
332
333 ret = __rtw89_cam_detach_sec_cam(rtwdev, rtwvif_link, rtwsta_link,
334 sec_cam, inform_fw);
335 if (ret)
336 return ret;
337 }
338
339 return 0;
340 }
341
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)342 static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev,
343 struct ieee80211_vif *vif,
344 struct ieee80211_sta *sta,
345 struct ieee80211_key_conf *key,
346 struct rtw89_sec_cam_entry *sec_cam)
347 {
348 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta);
349 struct rtw89_sta_link *rtwsta_link;
350 struct rtw89_vif_link *rtwvif_link;
351 struct rtw89_vif *rtwvif;
352 unsigned int link_id;
353 int key_link_id;
354 int ret;
355
356 if (!vif) {
357 rtw89_err(rtwdev, "No iface for adding sec cam\n");
358 return -EINVAL;
359 }
360
361 rtwvif = vif_to_rtwvif(vif);
362
363 key_link_id = ieee80211_vif_is_mld(vif) ? key->link_id : 0;
364 if (key_link_id >= 0) {
365 rtwvif_link = rtwvif->links[key_link_id];
366 rtwsta_link = rtwsta ? rtwsta->links[key_link_id] : NULL;
367
368 if (!rtwvif_link || (rtwsta && !rtwsta_link)) {
369 rtw89_err(rtwdev, "No drv link for adding sec cam\n");
370 return -ENOLINK;
371 }
372
373 return __rtw89_cam_attach_sec_cam(rtwdev, rtwvif_link,
374 rtwsta_link, key, sec_cam);
375 }
376
377 /* key_link_id < 0: MLD pairwise key */
378 if (!rtwsta) {
379 rtw89_err(rtwdev, "No sta for adding MLD pairwise sec cam\n");
380 return -EINVAL;
381 }
382
383 rtw89_sta_for_each_link(rtwsta, rtwsta_link, link_id) {
384 rtwvif_link = rtwsta_link->rtwvif_link;
385 ret = __rtw89_cam_attach_sec_cam(rtwdev, rtwvif_link,
386 rtwsta_link, key, sec_cam);
387 if (ret)
388 return ret;
389 }
390
391 set_bit(sec_cam->sec_cam_idx, rtwsta->pairwise_sec_cam_map);
392
393 return 0;
394 }
395
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)396 static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev,
397 struct ieee80211_vif *vif,
398 struct ieee80211_sta *sta,
399 struct ieee80211_key_conf *key,
400 u8 hw_key_type, bool ext_key)
401 {
402 struct rtw89_sec_cam_entry *sec_cam = NULL;
403 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
404 u8 sec_cam_idx;
405 int ret;
406
407 /* maximum key length 256-bit */
408 if (key->keylen > 32) {
409 rtw89_err(rtwdev, "invalid sec key length %d\n", key->keylen);
410 return -EINVAL;
411 }
412
413 ret = rtw89_cam_get_avail_sec_cam(rtwdev, &sec_cam_idx, ext_key);
414 if (ret) {
415 rtw89_warn(rtwdev, "no available sec cam: %d ext: %d\n",
416 ret, ext_key);
417 return ret;
418 }
419
420 sec_cam = kzalloc(sizeof(*sec_cam), GFP_KERNEL);
421 if (!sec_cam) {
422 ret = -ENOMEM;
423 goto err_release_cam;
424 }
425
426 key->hw_key_idx = sec_cam_idx;
427 cam_info->sec_entries[sec_cam_idx] = sec_cam;
428
429 sec_cam->sec_cam_idx = sec_cam_idx;
430 sec_cam->type = hw_key_type;
431 sec_cam->len = RTW89_SEC_CAM_LEN;
432 sec_cam->ext_key = ext_key;
433 memcpy(sec_cam->key, key->key, key->keylen);
434
435 sec_cam->key_conf = key;
436
437 ret = rtw89_cam_send_sec_key_cmd(rtwdev, sec_cam);
438 if (ret) {
439 rtw89_err(rtwdev, "failed to send sec key cmd: %d\n", ret);
440 goto err_release_cam;
441 }
442
443 /* associate with addr cam */
444 ret = rtw89_cam_attach_sec_cam(rtwdev, vif, sta, key, sec_cam);
445 if (ret) {
446 rtw89_err(rtwdev, "failed to attach sec cam: %d\n", ret);
447 goto err_release_cam;
448 }
449
450 return 0;
451
452 err_release_cam:
453 cam_info->sec_entries[sec_cam_idx] = NULL;
454 kfree(sec_cam);
455 clear_bit(sec_cam_idx, cam_info->sec_cam_map);
456 if (ext_key)
457 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
458
459 return ret;
460 }
461
rtw89_cam_sec_key_add(struct rtw89_dev * rtwdev,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)462 int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,
463 struct ieee80211_vif *vif,
464 struct ieee80211_sta *sta,
465 struct ieee80211_key_conf *key)
466 {
467 const struct rtw89_chip_info *chip = rtwdev->chip;
468 u8 hw_key_type;
469 bool ext_key = false;
470 int ret;
471
472 switch (key->cipher) {
473 case WLAN_CIPHER_SUITE_WEP40:
474 hw_key_type = RTW89_SEC_KEY_TYPE_WEP40;
475 break;
476 case WLAN_CIPHER_SUITE_WEP104:
477 hw_key_type = RTW89_SEC_KEY_TYPE_WEP104;
478 break;
479 case WLAN_CIPHER_SUITE_CCMP:
480 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP128;
481 if (!chip->hw_mgmt_tx_encrypt)
482 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
483 break;
484 case WLAN_CIPHER_SUITE_CCMP_256:
485 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP256;
486 if (!chip->hw_mgmt_tx_encrypt)
487 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
488 ext_key = true;
489 break;
490 case WLAN_CIPHER_SUITE_GCMP:
491 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP128;
492 if (!chip->hw_mgmt_tx_encrypt)
493 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
494 break;
495 case WLAN_CIPHER_SUITE_GCMP_256:
496 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP256;
497 if (!chip->hw_mgmt_tx_encrypt)
498 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
499 ext_key = true;
500 break;
501 case WLAN_CIPHER_SUITE_AES_CMAC:
502 hw_key_type = RTW89_SEC_KEY_TYPE_BIP_CCMP128;
503 break;
504 default:
505 return -EOPNOTSUPP;
506 }
507
508 if (!chip->hw_sec_hdr)
509 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
510
511 ret = rtw89_cam_sec_key_install(rtwdev, vif, sta, key, hw_key_type,
512 ext_key);
513 if (ret) {
514 rtw89_err(rtwdev, "failed to install key type %d ext %d: %d\n",
515 hw_key_type, ext_key, ret);
516 return ret;
517 }
518
519 return 0;
520 }
521
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)522 int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev,
523 struct ieee80211_vif *vif,
524 struct ieee80211_sta *sta,
525 struct ieee80211_key_conf *key,
526 bool inform_fw)
527 {
528 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
529 const struct rtw89_sec_cam_entry *sec_cam;
530 u8 sec_cam_idx;
531 int ret;
532
533 sec_cam_idx = key->hw_key_idx;
534 sec_cam = cam_info->sec_entries[sec_cam_idx];
535 if (!sec_cam)
536 return -EINVAL;
537
538 ret = rtw89_cam_detach_sec_cam(rtwdev, vif, sta, sec_cam, inform_fw);
539
540 /* clear valid bit in addr cam will disable sec cam,
541 * so we don't need to send H2C command again
542 */
543 cam_info->sec_entries[sec_cam_idx] = NULL;
544 clear_bit(sec_cam_idx, cam_info->sec_cam_map);
545 if (sec_cam->ext_key)
546 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map);
547
548 kfree(sec_cam);
549
550 return ret;
551 }
552
rtw89_cam_reset_key_iter(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key,void * data)553 static void rtw89_cam_reset_key_iter(struct ieee80211_hw *hw,
554 struct ieee80211_vif *vif,
555 struct ieee80211_sta *sta,
556 struct ieee80211_key_conf *key,
557 void *data)
558 {
559 struct rtw89_dev *rtwdev = (struct rtw89_dev *)data;
560
561 rtw89_cam_sec_key_del(rtwdev, vif, sta, key, false);
562 }
563
rtw89_cam_deinit_addr_cam(struct rtw89_dev * rtwdev,struct rtw89_addr_cam_entry * addr_cam)564 void rtw89_cam_deinit_addr_cam(struct rtw89_dev *rtwdev,
565 struct rtw89_addr_cam_entry *addr_cam)
566 {
567 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
568
569 addr_cam->valid = false;
570 clear_bit(addr_cam->addr_cam_idx, cam_info->addr_cam_map);
571 }
572
rtw89_cam_deinit_bssid_cam(struct rtw89_dev * rtwdev,struct rtw89_bssid_cam_entry * bssid_cam)573 void rtw89_cam_deinit_bssid_cam(struct rtw89_dev *rtwdev,
574 struct rtw89_bssid_cam_entry *bssid_cam)
575 {
576 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
577
578 bssid_cam->valid = false;
579 clear_bit(bssid_cam->bssid_cam_idx, cam_info->bssid_cam_map);
580 }
581
rtw89_cam_deinit(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)582 void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
583 {
584 struct rtw89_addr_cam_entry *addr_cam = &rtwvif_link->addr_cam;
585 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
586
587 rtw89_cam_deinit_addr_cam(rtwdev, addr_cam);
588 rtw89_cam_deinit_bssid_cam(rtwdev, bssid_cam);
589 }
590
rtw89_cam_reset_keys(struct rtw89_dev * rtwdev)591 void rtw89_cam_reset_keys(struct rtw89_dev *rtwdev)
592 {
593 rcu_read_lock();
594 ieee80211_iter_keys_rcu(rtwdev->hw, NULL, rtw89_cam_reset_key_iter, rtwdev);
595 rcu_read_unlock();
596 }
597
rtw89_cam_get_avail_addr_cam(struct rtw89_dev * rtwdev,u8 * addr_cam_idx)598 static int rtw89_cam_get_avail_addr_cam(struct rtw89_dev *rtwdev,
599 u8 *addr_cam_idx)
600 {
601 const struct rtw89_chip_info *chip = rtwdev->chip;
602 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
603 u8 addr_cam_num = chip->acam_num;
604 u8 idx;
605
606 idx = find_first_zero_bit(cam_info->addr_cam_map, addr_cam_num);
607 if (idx >= addr_cam_num)
608 return -EBUSY;
609
610 set_bit(idx, cam_info->addr_cam_map);
611 *addr_cam_idx = idx;
612
613 return 0;
614 }
615
rtw89_get_addr_cam_entry_size(struct rtw89_dev * rtwdev)616 static u8 rtw89_get_addr_cam_entry_size(struct rtw89_dev *rtwdev)
617 {
618 const struct rtw89_chip_info *chip = rtwdev->chip;
619
620 switch (chip->chip_id) {
621 case RTL8852A:
622 case RTL8852B:
623 case RTL8851B:
624 case RTL8852BT:
625 return ADDR_CAM_ENT_SIZE;
626 default:
627 return ADDR_CAM_ENT_SHORT_SIZE;
628 }
629 }
630
rtw89_cam_init_addr_cam(struct rtw89_dev * rtwdev,struct rtw89_addr_cam_entry * addr_cam,const struct rtw89_bssid_cam_entry * bssid_cam)631 int rtw89_cam_init_addr_cam(struct rtw89_dev *rtwdev,
632 struct rtw89_addr_cam_entry *addr_cam,
633 const struct rtw89_bssid_cam_entry *bssid_cam)
634 {
635 u8 addr_cam_idx;
636 int i;
637 int ret;
638
639 if (unlikely(addr_cam->valid)) {
640 rtw89_debug(rtwdev, RTW89_DBG_FW,
641 "addr cam is already valid; skip init\n");
642 return 0;
643 }
644
645 ret = rtw89_cam_get_avail_addr_cam(rtwdev, &addr_cam_idx);
646 if (ret) {
647 rtw89_err(rtwdev, "failed to get available addr cam\n");
648 return ret;
649 }
650
651 addr_cam->addr_cam_idx = addr_cam_idx;
652 addr_cam->len = rtw89_get_addr_cam_entry_size(rtwdev);
653 addr_cam->offset = 0;
654 addr_cam->valid = true;
655 addr_cam->addr_mask = 0;
656 addr_cam->mask_sel = RTW89_NO_MSK;
657 addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL;
658 bitmap_zero(addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM);
659
660 for (i = 0; i < RTW89_SEC_CAM_IN_ADDR_CAM; i++) {
661 addr_cam->sec_ent_keyid[i] = 0;
662 addr_cam->sec_ent[i] = 0;
663 }
664
665 /* associate addr cam with bssid cam */
666 addr_cam->bssid_cam_idx = bssid_cam->bssid_cam_idx;
667
668 return 0;
669 }
670
rtw89_cam_get_avail_bssid_cam(struct rtw89_dev * rtwdev,u8 * bssid_cam_idx)671 static int rtw89_cam_get_avail_bssid_cam(struct rtw89_dev *rtwdev,
672 u8 *bssid_cam_idx)
673 {
674 const struct rtw89_chip_info *chip = rtwdev->chip;
675 struct rtw89_cam_info *cam_info = &rtwdev->cam_info;
676 u8 bssid_cam_num = chip->bcam_num;
677 u8 idx;
678
679 idx = find_first_zero_bit(cam_info->bssid_cam_map, bssid_cam_num);
680 if (idx >= bssid_cam_num)
681 return -EBUSY;
682
683 set_bit(idx, cam_info->bssid_cam_map);
684 *bssid_cam_idx = idx;
685
686 return 0;
687 }
688
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)689 int rtw89_cam_init_bssid_cam(struct rtw89_dev *rtwdev,
690 struct rtw89_vif_link *rtwvif_link,
691 struct rtw89_bssid_cam_entry *bssid_cam,
692 const u8 *bssid)
693 {
694 u8 bssid_cam_idx;
695 int ret;
696
697 if (unlikely(bssid_cam->valid)) {
698 rtw89_debug(rtwdev, RTW89_DBG_FW,
699 "bssid cam is already valid; skip init\n");
700 return 0;
701 }
702
703 ret = rtw89_cam_get_avail_bssid_cam(rtwdev, &bssid_cam_idx);
704 if (ret) {
705 rtw89_err(rtwdev, "failed to get available bssid cam\n");
706 return ret;
707 }
708
709 bssid_cam->bssid_cam_idx = bssid_cam_idx;
710 bssid_cam->phy_idx = rtwvif_link->phy_idx;
711 bssid_cam->len = BSSID_CAM_ENT_SIZE;
712 bssid_cam->offset = 0;
713 bssid_cam->valid = true;
714 ether_addr_copy(bssid_cam->bssid, bssid);
715
716 return 0;
717 }
718
rtw89_cam_bssid_changed(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)719 void rtw89_cam_bssid_changed(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
720 {
721 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
722
723 ether_addr_copy(bssid_cam->bssid, rtwvif_link->bssid);
724 }
725
rtw89_cam_init(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link)726 int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link)
727 {
728 struct rtw89_addr_cam_entry *addr_cam = &rtwvif_link->addr_cam;
729 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam;
730 int ret;
731
732 ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif_link, bssid_cam,
733 rtwvif_link->bssid);
734 if (ret) {
735 rtw89_err(rtwdev, "failed to init bssid cam\n");
736 return ret;
737 }
738
739 ret = rtw89_cam_init_addr_cam(rtwdev, addr_cam, bssid_cam);
740 if (ret) {
741 rtw89_err(rtwdev, "failed to init addr cam\n");
742 return ret;
743 }
744
745 return 0;
746 }
747
rtw89_cam_fill_bssid_cam_info(struct rtw89_dev * rtwdev,struct rtw89_vif_link * rtwvif_link,struct rtw89_sta_link * rtwsta_link,u8 * cmd)748 int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
749 struct rtw89_vif_link *rtwvif_link,
750 struct rtw89_sta_link *rtwsta_link, u8 *cmd)
751 {
752 struct rtw89_bssid_cam_entry *bssid_cam = rtw89_get_bssid_cam_of(rtwvif_link,
753 rtwsta_link);
754 struct ieee80211_bss_conf *bss_conf;
755 u8 bss_color;
756 u8 bss_mask;
757
758 rcu_read_lock();
759
760 bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, false);
761 bss_color = bss_conf->he_bss_color.color;
762
763 if (bss_conf->nontransmitted)
764 bss_mask = RTW89_BSSID_MATCH_5_BYTES;
765 else
766 bss_mask = RTW89_BSSID_MATCH_ALL;
767
768 rcu_read_unlock();
769
770 FWCMD_SET_ADDR_BSSID_IDX(cmd, bssid_cam->bssid_cam_idx);
771 FWCMD_SET_ADDR_BSSID_OFFSET(cmd, bssid_cam->offset);
772 FWCMD_SET_ADDR_BSSID_LEN(cmd, bssid_cam->len);
773 FWCMD_SET_ADDR_BSSID_VALID(cmd, bssid_cam->valid);
774 FWCMD_SET_ADDR_BSSID_MASK(cmd, bss_mask);
775 FWCMD_SET_ADDR_BSSID_BB_SEL(cmd, bssid_cam->phy_idx);
776 FWCMD_SET_ADDR_BSSID_BSS_COLOR(cmd, bss_color);
777
778 FWCMD_SET_ADDR_BSSID_BSSID0(cmd, bssid_cam->bssid[0]);
779 FWCMD_SET_ADDR_BSSID_BSSID1(cmd, bssid_cam->bssid[1]);
780 FWCMD_SET_ADDR_BSSID_BSSID2(cmd, bssid_cam->bssid[2]);
781 FWCMD_SET_ADDR_BSSID_BSSID3(cmd, bssid_cam->bssid[3]);
782 FWCMD_SET_ADDR_BSSID_BSSID4(cmd, bssid_cam->bssid[4]);
783 FWCMD_SET_ADDR_BSSID_BSSID5(cmd, bssid_cam->bssid[5]);
784
785 return 0;
786 }
787
rtw89_cam_addr_hash(u8 start,const u8 * addr)788 static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr)
789 {
790 u8 hash = 0;
791 u8 i;
792
793 for (i = start; i < ETH_ALEN; i++)
794 hash ^= addr[i];
795
796 return hash;
797 }
798
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)799 void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
800 struct rtw89_vif_link *rtwvif_link,
801 struct rtw89_sta_link *rtwsta_link,
802 const u8 *scan_mac_addr,
803 u8 *cmd)
804 {
805 struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link);
806 struct rtw89_addr_cam_entry *addr_cam =
807 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
808 struct ieee80211_sta *sta = rtwsta_link_to_sta_safe(rtwsta_link);
809 struct ieee80211_link_sta *link_sta;
810 const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif_link->mac_addr;
811 u8 sma_hash, tma_hash, addr_msk_start;
812 u8 sma_start = 0;
813 u8 tma_start = 0;
814 const u8 *tma;
815
816 rcu_read_lock();
817
818 if (sta) {
819 link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true);
820 tma = link_sta->addr;
821 } else {
822 tma = rtwvif_link->bssid;
823 }
824
825 if (addr_cam->addr_mask != 0) {
826 addr_msk_start = __ffs(addr_cam->addr_mask);
827 if (addr_cam->mask_sel == RTW89_SMA)
828 sma_start = addr_msk_start;
829 else if (addr_cam->mask_sel == RTW89_TMA)
830 tma_start = addr_msk_start;
831 }
832 sma_hash = rtw89_cam_addr_hash(sma_start, sma);
833 tma_hash = rtw89_cam_addr_hash(tma_start, tma);
834
835 FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx);
836 FWCMD_SET_ADDR_OFFSET(cmd, addr_cam->offset);
837 FWCMD_SET_ADDR_LEN(cmd, addr_cam->len);
838
839 FWCMD_SET_ADDR_VALID(cmd, addr_cam->valid);
840 FWCMD_SET_ADDR_NET_TYPE(cmd, rtwvif_link->net_type);
841 FWCMD_SET_ADDR_BCN_HIT_COND(cmd, rtwvif_link->bcn_hit_cond);
842 FWCMD_SET_ADDR_HIT_RULE(cmd, rtwvif_link->hit_rule);
843 FWCMD_SET_ADDR_BB_SEL(cmd, rtwvif_link->phy_idx);
844 FWCMD_SET_ADDR_ADDR_MASK(cmd, addr_cam->addr_mask);
845 FWCMD_SET_ADDR_MASK_SEL(cmd, addr_cam->mask_sel);
846 FWCMD_SET_ADDR_SMA_HASH(cmd, sma_hash);
847 FWCMD_SET_ADDR_TMA_HASH(cmd, tma_hash);
848
849 FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx);
850
851 FWCMD_SET_ADDR_SMA0(cmd, sma[0]);
852 FWCMD_SET_ADDR_SMA1(cmd, sma[1]);
853 FWCMD_SET_ADDR_SMA2(cmd, sma[2]);
854 FWCMD_SET_ADDR_SMA3(cmd, sma[3]);
855 FWCMD_SET_ADDR_SMA4(cmd, sma[4]);
856 FWCMD_SET_ADDR_SMA5(cmd, sma[5]);
857
858 FWCMD_SET_ADDR_TMA0(cmd, tma[0]);
859 FWCMD_SET_ADDR_TMA1(cmd, tma[1]);
860 FWCMD_SET_ADDR_TMA2(cmd, tma[2]);
861 FWCMD_SET_ADDR_TMA3(cmd, tma[3]);
862 FWCMD_SET_ADDR_TMA4(cmd, tma[4]);
863 FWCMD_SET_ADDR_TMA5(cmd, tma[5]);
864
865 FWCMD_SET_ADDR_PORT_INT(cmd, rtwvif_link->port);
866 FWCMD_SET_ADDR_TSF_SYNC(cmd, rtwvif_link->port);
867 FWCMD_SET_ADDR_TF_TRS(cmd, rtwvif_link->trigger);
868 FWCMD_SET_ADDR_LSIG_TXOP(cmd, rtwvif_link->lsig_txop);
869 FWCMD_SET_ADDR_TGT_IND(cmd, rtwvif_link->tgt_ind);
870 FWCMD_SET_ADDR_FRM_TGT_IND(cmd, rtwvif_link->frm_tgt_ind);
871 FWCMD_SET_ADDR_MACID(cmd, rtwsta_link ? rtwsta_link->mac_id :
872 rtwvif_link->mac_id);
873 if (rtwvif_link->net_type == RTW89_NET_TYPE_INFRA)
874 FWCMD_SET_ADDR_AID12(cmd, vif->cfg.aid & 0xfff);
875 else if (rtwvif_link->net_type == RTW89_NET_TYPE_AP_MODE)
876 FWCMD_SET_ADDR_AID12(cmd, sta ? sta->aid & 0xfff : 0);
877 FWCMD_SET_ADDR_WOL_PATTERN(cmd, rtwvif_link->wowlan_pattern);
878 FWCMD_SET_ADDR_WOL_UC(cmd, rtwvif_link->wowlan_uc);
879 FWCMD_SET_ADDR_WOL_MAGIC(cmd, rtwvif_link->wowlan_magic);
880 FWCMD_SET_ADDR_WAPI(cmd, addr_cam->wapi);
881 FWCMD_SET_ADDR_SEC_ENT_MODE(cmd, addr_cam->sec_ent_mode);
882 FWCMD_SET_ADDR_SEC_ENT0_KEYID(cmd, addr_cam->sec_ent_keyid[0]);
883 FWCMD_SET_ADDR_SEC_ENT1_KEYID(cmd, addr_cam->sec_ent_keyid[1]);
884 FWCMD_SET_ADDR_SEC_ENT2_KEYID(cmd, addr_cam->sec_ent_keyid[2]);
885 FWCMD_SET_ADDR_SEC_ENT3_KEYID(cmd, addr_cam->sec_ent_keyid[3]);
886 FWCMD_SET_ADDR_SEC_ENT4_KEYID(cmd, addr_cam->sec_ent_keyid[4]);
887 FWCMD_SET_ADDR_SEC_ENT5_KEYID(cmd, addr_cam->sec_ent_keyid[5]);
888 FWCMD_SET_ADDR_SEC_ENT6_KEYID(cmd, addr_cam->sec_ent_keyid[6]);
889
890 FWCMD_SET_ADDR_SEC_ENT_VALID(cmd, addr_cam->sec_cam_map[0] & 0xff);
891 FWCMD_SET_ADDR_SEC_ENT0(cmd, addr_cam->sec_ent[0]);
892 FWCMD_SET_ADDR_SEC_ENT1(cmd, addr_cam->sec_ent[1]);
893 FWCMD_SET_ADDR_SEC_ENT2(cmd, addr_cam->sec_ent[2]);
894 FWCMD_SET_ADDR_SEC_ENT3(cmd, addr_cam->sec_ent[3]);
895 FWCMD_SET_ADDR_SEC_ENT4(cmd, addr_cam->sec_ent[4]);
896 FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]);
897 FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]);
898
899 rcu_read_unlock();
900 }
901
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)902 void rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev *rtwdev,
903 struct rtw89_vif_link *rtwvif_link,
904 struct rtw89_sta_link *rtwsta_link,
905 struct rtw89_h2c_dctlinfo_ud_v1 *h2c)
906 {
907 struct rtw89_addr_cam_entry *addr_cam =
908 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
909 struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
910 u8 *ptk_tx_iv = rtw_wow->key_info.ptk_tx_iv;
911
912 h2c->c0 = le32_encode_bits(rtwsta_link ? rtwsta_link->mac_id :
913 rtwvif_link->mac_id,
914 DCTLINFO_V1_C0_MACID) |
915 le32_encode_bits(1, DCTLINFO_V1_C0_OP);
916
917 h2c->w4 = le32_encode_bits(addr_cam->sec_ent_keyid[0],
918 DCTLINFO_V1_W4_SEC_ENT0_KEYID) |
919 le32_encode_bits(addr_cam->sec_ent_keyid[1],
920 DCTLINFO_V1_W4_SEC_ENT1_KEYID) |
921 le32_encode_bits(addr_cam->sec_ent_keyid[2],
922 DCTLINFO_V1_W4_SEC_ENT2_KEYID) |
923 le32_encode_bits(addr_cam->sec_ent_keyid[3],
924 DCTLINFO_V1_W4_SEC_ENT3_KEYID) |
925 le32_encode_bits(addr_cam->sec_ent_keyid[4],
926 DCTLINFO_V1_W4_SEC_ENT4_KEYID) |
927 le32_encode_bits(addr_cam->sec_ent_keyid[5],
928 DCTLINFO_V1_W4_SEC_ENT5_KEYID) |
929 le32_encode_bits(addr_cam->sec_ent_keyid[6],
930 DCTLINFO_V1_W4_SEC_ENT6_KEYID);
931 h2c->m4 = cpu_to_le32(DCTLINFO_V1_W4_SEC_ENT0_KEYID |
932 DCTLINFO_V1_W4_SEC_ENT1_KEYID |
933 DCTLINFO_V1_W4_SEC_ENT2_KEYID |
934 DCTLINFO_V1_W4_SEC_ENT3_KEYID |
935 DCTLINFO_V1_W4_SEC_ENT4_KEYID |
936 DCTLINFO_V1_W4_SEC_ENT5_KEYID |
937 DCTLINFO_V1_W4_SEC_ENT6_KEYID);
938
939 h2c->w5 = le32_encode_bits(addr_cam->sec_cam_map[0] & 0xff,
940 DCTLINFO_V1_W5_SEC_ENT_VALID) |
941 le32_encode_bits(addr_cam->sec_ent[0],
942 DCTLINFO_V1_W5_SEC_ENT0) |
943 le32_encode_bits(addr_cam->sec_ent[1],
944 DCTLINFO_V1_W5_SEC_ENT1) |
945 le32_encode_bits(addr_cam->sec_ent[2],
946 DCTLINFO_V1_W5_SEC_ENT2);
947 h2c->m5 = cpu_to_le32(DCTLINFO_V1_W5_SEC_ENT_VALID |
948 DCTLINFO_V1_W5_SEC_ENT0 |
949 DCTLINFO_V1_W5_SEC_ENT1 |
950 DCTLINFO_V1_W5_SEC_ENT2);
951
952 h2c->w6 = le32_encode_bits(addr_cam->sec_ent[3],
953 DCTLINFO_V1_W6_SEC_ENT3) |
954 le32_encode_bits(addr_cam->sec_ent[4],
955 DCTLINFO_V1_W6_SEC_ENT4) |
956 le32_encode_bits(addr_cam->sec_ent[5],
957 DCTLINFO_V1_W6_SEC_ENT5) |
958 le32_encode_bits(addr_cam->sec_ent[6],
959 DCTLINFO_V1_W6_SEC_ENT6);
960 h2c->m6 = cpu_to_le32(DCTLINFO_V1_W6_SEC_ENT3 |
961 DCTLINFO_V1_W6_SEC_ENT4 |
962 DCTLINFO_V1_W6_SEC_ENT5 |
963 DCTLINFO_V1_W6_SEC_ENT6);
964
965 if (rtw_wow->ptk_alg) {
966 h2c->w0 = le32_encode_bits(ptk_tx_iv[0] | ptk_tx_iv[1] << 8,
967 DCTLINFO_V1_W0_AES_IV_L);
968 h2c->m0 = cpu_to_le32(DCTLINFO_V1_W0_AES_IV_L);
969
970 h2c->w1 = le32_encode_bits(ptk_tx_iv[4] |
971 ptk_tx_iv[5] << 8 |
972 ptk_tx_iv[6] << 16 |
973 ptk_tx_iv[7] << 24,
974 DCTLINFO_V1_W1_AES_IV_H);
975 h2c->m1 = cpu_to_le32(DCTLINFO_V1_W1_AES_IV_H);
976
977 h2c->w4 |= le32_encode_bits(rtw_wow->ptk_keyidx,
978 DCTLINFO_V1_W4_SEC_KEY_ID);
979 h2c->m4 |= cpu_to_le32(DCTLINFO_V1_W4_SEC_KEY_ID);
980 }
981 }
982
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)983 void rtw89_cam_fill_dctl_sec_cam_info_v2(struct rtw89_dev *rtwdev,
984 struct rtw89_vif_link *rtwvif_link,
985 struct rtw89_sta_link *rtwsta_link,
986 struct rtw89_h2c_dctlinfo_ud_v2 *h2c)
987 {
988 struct ieee80211_sta *sta = rtwsta_link_to_sta_safe(rtwsta_link);
989 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif_link->rtwvif);
990 struct rtw89_vif *rtwvif = rtwvif_link->rtwvif;
991 struct rtw89_addr_cam_entry *addr_cam =
992 rtw89_get_addr_cam_of(rtwvif_link, rtwsta_link);
993 bool is_mld = sta ? sta->mlo : ieee80211_vif_is_mld(vif);
994 struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
995 u8 *ptk_tx_iv = rtw_wow->key_info.ptk_tx_iv;
996 u8 *mld_sma, *mld_tma, *mld_bssid;
997
998 h2c->c0 = le32_encode_bits(rtwsta_link ? rtwsta_link->mac_id :
999 rtwvif_link->mac_id,
1000 DCTLINFO_V2_C0_MACID) |
1001 le32_encode_bits(1, DCTLINFO_V2_C0_OP);
1002
1003 h2c->w2 = le32_encode_bits(is_mld, DCTLINFO_V2_W2_IS_MLD);
1004 h2c->m2 = cpu_to_le32(DCTLINFO_V2_W2_IS_MLD);
1005
1006 h2c->w4 = le32_encode_bits(addr_cam->sec_ent_keyid[0],
1007 DCTLINFO_V2_W4_SEC_ENT0_KEYID) |
1008 le32_encode_bits(addr_cam->sec_ent_keyid[1],
1009 DCTLINFO_V2_W4_SEC_ENT1_KEYID) |
1010 le32_encode_bits(addr_cam->sec_ent_keyid[2],
1011 DCTLINFO_V2_W4_SEC_ENT2_KEYID) |
1012 le32_encode_bits(addr_cam->sec_ent_keyid[3],
1013 DCTLINFO_V2_W4_SEC_ENT3_KEYID) |
1014 le32_encode_bits(addr_cam->sec_ent_keyid[4],
1015 DCTLINFO_V2_W4_SEC_ENT4_KEYID) |
1016 le32_encode_bits(addr_cam->sec_ent_keyid[5],
1017 DCTLINFO_V2_W4_SEC_ENT5_KEYID) |
1018 le32_encode_bits(addr_cam->sec_ent_keyid[6],
1019 DCTLINFO_V2_W4_SEC_ENT6_KEYID);
1020 h2c->m4 = cpu_to_le32(DCTLINFO_V2_W4_SEC_ENT0_KEYID |
1021 DCTLINFO_V2_W4_SEC_ENT1_KEYID |
1022 DCTLINFO_V2_W4_SEC_ENT2_KEYID |
1023 DCTLINFO_V2_W4_SEC_ENT3_KEYID |
1024 DCTLINFO_V2_W4_SEC_ENT4_KEYID |
1025 DCTLINFO_V2_W4_SEC_ENT5_KEYID |
1026 DCTLINFO_V2_W4_SEC_ENT6_KEYID);
1027
1028 h2c->w5 = le32_encode_bits(addr_cam->sec_cam_map[0],
1029 DCTLINFO_V2_W5_SEC_ENT_VALID_V1) |
1030 le32_encode_bits(addr_cam->sec_ent[0],
1031 DCTLINFO_V2_W5_SEC_ENT0_V1);
1032 h2c->m5 = cpu_to_le32(DCTLINFO_V2_W5_SEC_ENT_VALID_V1 |
1033 DCTLINFO_V2_W5_SEC_ENT0_V1);
1034
1035 h2c->w6 = le32_encode_bits(addr_cam->sec_ent[1],
1036 DCTLINFO_V2_W6_SEC_ENT1_V1) |
1037 le32_encode_bits(addr_cam->sec_ent[2],
1038 DCTLINFO_V2_W6_SEC_ENT2_V1) |
1039 le32_encode_bits(addr_cam->sec_ent[3],
1040 DCTLINFO_V2_W6_SEC_ENT3_V1) |
1041 le32_encode_bits(addr_cam->sec_ent[4],
1042 DCTLINFO_V2_W6_SEC_ENT4_V1);
1043 h2c->m6 = cpu_to_le32(DCTLINFO_V2_W6_SEC_ENT1_V1 |
1044 DCTLINFO_V2_W6_SEC_ENT2_V1 |
1045 DCTLINFO_V2_W6_SEC_ENT3_V1 |
1046 DCTLINFO_V2_W6_SEC_ENT4_V1);
1047
1048 h2c->w7 = le32_encode_bits(addr_cam->sec_ent[5],
1049 DCTLINFO_V2_W7_SEC_ENT5_V1) |
1050 le32_encode_bits(addr_cam->sec_ent[6],
1051 DCTLINFO_V2_W7_SEC_ENT6_V1);
1052 h2c->m7 = cpu_to_le32(DCTLINFO_V2_W7_SEC_ENT5_V1 |
1053 DCTLINFO_V2_W7_SEC_ENT6_V1);
1054
1055 if (rtw_wow->ptk_alg) {
1056 h2c->w0 = le32_encode_bits(ptk_tx_iv[0] | ptk_tx_iv[1] << 8,
1057 DCTLINFO_V2_W0_AES_IV_L);
1058 h2c->m0 = cpu_to_le32(DCTLINFO_V2_W0_AES_IV_L);
1059
1060 h2c->w1 = le32_encode_bits(ptk_tx_iv[4] |
1061 ptk_tx_iv[5] << 8 |
1062 ptk_tx_iv[6] << 16 |
1063 ptk_tx_iv[7] << 24,
1064 DCTLINFO_V2_W1_AES_IV_H);
1065 h2c->m1 = cpu_to_le32(DCTLINFO_V2_W1_AES_IV_H);
1066
1067 h2c->w4 |= le32_encode_bits(rtw_wow->ptk_keyidx,
1068 DCTLINFO_V2_W4_SEC_KEY_ID);
1069 h2c->m4 |= cpu_to_le32(DCTLINFO_V2_W4_SEC_KEY_ID);
1070 }
1071
1072 if (!is_mld)
1073 return;
1074
1075 if (rtwvif_link->net_type == RTW89_NET_TYPE_INFRA) {
1076 mld_sma = rtwvif->mac_addr;
1077 mld_tma = vif->cfg.ap_addr;
1078 mld_bssid = vif->cfg.ap_addr;
1079 } else if (rtwvif_link->net_type == RTW89_NET_TYPE_AP_MODE && sta) {
1080 mld_sma = rtwvif->mac_addr;
1081 mld_tma = sta->addr;
1082 mld_bssid = rtwvif->mac_addr;
1083 } else {
1084 return;
1085 }
1086
1087 h2c->w8 = le32_encode_bits(mld_sma[0], DCTLINFO_V2_W8_MLD_SMA_0) |
1088 le32_encode_bits(mld_sma[1], DCTLINFO_V2_W8_MLD_SMA_1) |
1089 le32_encode_bits(mld_sma[2], DCTLINFO_V2_W8_MLD_SMA_2) |
1090 le32_encode_bits(mld_sma[3], DCTLINFO_V2_W8_MLD_SMA_3);
1091 h2c->m8 = cpu_to_le32(DCTLINFO_V2_W8_ALL);
1092
1093 h2c->w9 = le32_encode_bits(mld_sma[4], DCTLINFO_V2_W9_MLD_SMA_4) |
1094 le32_encode_bits(mld_sma[5], DCTLINFO_V2_W9_MLD_SMA_5) |
1095 le32_encode_bits(mld_tma[0], DCTLINFO_V2_W9_MLD_TMA_0) |
1096 le32_encode_bits(mld_tma[1], DCTLINFO_V2_W9_MLD_TMA_1);
1097 h2c->m9 = cpu_to_le32(DCTLINFO_V2_W9_ALL);
1098
1099 h2c->w10 = le32_encode_bits(mld_tma[2], DCTLINFO_V2_W10_MLD_TMA_2) |
1100 le32_encode_bits(mld_tma[3], DCTLINFO_V2_W10_MLD_TMA_3) |
1101 le32_encode_bits(mld_tma[4], DCTLINFO_V2_W10_MLD_TMA_4) |
1102 le32_encode_bits(mld_tma[5], DCTLINFO_V2_W10_MLD_TMA_5);
1103 h2c->m10 = cpu_to_le32(DCTLINFO_V2_W10_ALL);
1104
1105 h2c->w11 = le32_encode_bits(mld_bssid[0], DCTLINFO_V2_W11_MLD_BSSID_0) |
1106 le32_encode_bits(mld_bssid[1], DCTLINFO_V2_W11_MLD_BSSID_1) |
1107 le32_encode_bits(mld_bssid[2], DCTLINFO_V2_W11_MLD_BSSID_2) |
1108 le32_encode_bits(mld_bssid[3], DCTLINFO_V2_W11_MLD_BSSID_3);
1109 h2c->m11 = cpu_to_le32(DCTLINFO_V2_W11_ALL);
1110
1111 h2c->w12 = le32_encode_bits(mld_bssid[4], DCTLINFO_V2_W12_MLD_BSSID_4) |
1112 le32_encode_bits(mld_bssid[5], DCTLINFO_V2_W12_MLD_BSSID_5);
1113 h2c->m12 = cpu_to_le32(DCTLINFO_V2_W12_ALL);
1114 }
1115