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 * 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(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 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 } 100 101 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 } 136 137 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 if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 154 return -EINVAL; 155 idx = find_first_zero_bit(addr_cam->sec_cam_map, 156 RTW89_SEC_CAM_IN_ADDR_CAM); 157 if (idx >= RTW89_SEC_CAM_IN_ADDR_CAM) 158 return -EBUSY; 159 *key_idx = idx; 160 break; 161 case RTW89_ADDR_CAM_SEC_NORMAL: 162 if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) { 163 idx = find_next_zero_bit(addr_cam->sec_cam_map, 164 RTW89_SEC_CAM_IN_ADDR_CAM, 5); 165 if (idx > 6) 166 return -EBUSY; 167 *key_idx = idx; 168 break; 169 } 170 171 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 172 idx = find_next_zero_bit(addr_cam->sec_cam_map, 173 RTW89_SEC_CAM_IN_ADDR_CAM, 0); 174 if (idx > 1) 175 return -EBUSY; 176 *key_idx = idx; 177 break; 178 } 179 180 /* Group keys */ 181 idx = find_next_zero_bit(addr_cam->sec_cam_map, 182 RTW89_SEC_CAM_IN_ADDR_CAM, 2); 183 if (idx > 4) 184 return -EBUSY; 185 *key_idx = idx; 186 break; 187 case RTW89_ADDR_CAM_SEC_4GROUP: 188 if (sec_cam->type == RTW89_SEC_KEY_TYPE_BIP_CCMP128) { 189 if (test_bit(6, addr_cam->sec_cam_map)) 190 return -EINVAL; 191 *key_idx = 6; 192 break; 193 } 194 195 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 196 idx = find_next_zero_bit(addr_cam->sec_cam_map, 197 RTW89_SEC_CAM_IN_ADDR_CAM, 0); 198 if (idx > 1) 199 return -EBUSY; 200 *key_idx = idx; 201 break; 202 } 203 204 /* Group keys */ 205 idx = find_next_zero_bit(addr_cam->sec_cam_map, 206 RTW89_SEC_CAM_IN_ADDR_CAM, 2); 207 if (idx > 5) 208 return -EBUSY; 209 *key_idx = idx; 210 break; 211 } 212 213 return 0; 214 } 215 216 static int rtw89_cam_attach_sec_cam(struct rtw89_dev *rtwdev, 217 struct ieee80211_vif *vif, 218 struct ieee80211_sta *sta, 219 struct ieee80211_key_conf *key, 220 struct rtw89_sec_cam_entry *sec_cam) 221 { 222 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 223 struct rtw89_vif *rtwvif; 224 struct rtw89_addr_cam_entry *addr_cam; 225 u8 key_idx = 0; 226 int ret; 227 228 if (!vif) { 229 rtw89_err(rtwdev, "No iface for adding sec cam\n"); 230 return -EINVAL; 231 } 232 233 rtwvif = (struct rtw89_vif *)vif->drv_priv; 234 addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta); 235 ret = rtw89_cam_get_addr_cam_key_idx(addr_cam, sec_cam, key, &key_idx); 236 if (ret) { 237 rtw89_err(rtwdev, "failed to get addr cam key idx %d, %d\n", 238 addr_cam->sec_ent_mode, sec_cam->type); 239 return ret; 240 } 241 242 key->hw_key_idx = key_idx; 243 addr_cam->sec_ent_keyid[key_idx] = key->keyidx; 244 addr_cam->sec_ent[key_idx] = sec_cam->sec_cam_idx; 245 addr_cam->sec_entries[key_idx] = sec_cam; 246 set_bit(key_idx, addr_cam->sec_cam_map); 247 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); 248 if (ret) { 249 rtw89_err(rtwdev, "failed to update addr cam sec entry: %d\n", 250 ret); 251 clear_bit(key_idx, addr_cam->sec_cam_map); 252 addr_cam->sec_entries[key_idx] = NULL; 253 return ret; 254 } 255 256 return 0; 257 } 258 259 static int rtw89_cam_sec_key_install(struct rtw89_dev *rtwdev, 260 struct ieee80211_vif *vif, 261 struct ieee80211_sta *sta, 262 struct ieee80211_key_conf *key, 263 u8 hw_key_type, bool ext_key) 264 { 265 struct rtw89_sec_cam_entry *sec_cam = NULL; 266 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 267 u8 sec_cam_idx; 268 int ret; 269 270 /* maximum key length 256-bit */ 271 if (key->keylen > 32) { 272 rtw89_err(rtwdev, "invalid sec key length %d\n", key->keylen); 273 return -EINVAL; 274 } 275 276 ret = rtw89_cam_get_avail_sec_cam(rtwdev, &sec_cam_idx, ext_key); 277 if (ret) { 278 rtw89_warn(rtwdev, "no available sec cam: %d ext: %d\n", 279 ret, ext_key); 280 return ret; 281 } 282 283 sec_cam = kzalloc(sizeof(*sec_cam), GFP_KERNEL); 284 if (!sec_cam) { 285 ret = -ENOMEM; 286 goto err_release_cam; 287 } 288 289 sec_cam->sec_cam_idx = sec_cam_idx; 290 sec_cam->type = hw_key_type; 291 sec_cam->len = RTW89_SEC_CAM_LEN; 292 sec_cam->ext_key = ext_key; 293 memcpy(sec_cam->key, key->key, key->keylen); 294 ret = rtw89_cam_send_sec_key_cmd(rtwdev, sec_cam); 295 if (ret) { 296 rtw89_err(rtwdev, "failed to send sec key cmd: %d\n", ret); 297 goto err_release_cam; 298 } 299 300 /* associate with addr cam */ 301 ret = rtw89_cam_attach_sec_cam(rtwdev, vif, sta, key, sec_cam); 302 if (ret) { 303 rtw89_err(rtwdev, "failed to attach sec cam: %d\n", ret); 304 goto err_release_cam; 305 } 306 307 return 0; 308 309 err_release_cam: 310 kfree(sec_cam); 311 clear_bit(sec_cam_idx, cam_info->sec_cam_map); 312 if (ext_key) 313 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map); 314 315 return ret; 316 } 317 318 int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev, 319 struct ieee80211_vif *vif, 320 struct ieee80211_sta *sta, 321 struct ieee80211_key_conf *key) 322 { 323 u8 hw_key_type; 324 bool ext_key = false; 325 int ret; 326 327 switch (key->cipher) { 328 case WLAN_CIPHER_SUITE_WEP40: 329 hw_key_type = RTW89_SEC_KEY_TYPE_WEP40; 330 break; 331 case WLAN_CIPHER_SUITE_WEP104: 332 hw_key_type = RTW89_SEC_KEY_TYPE_WEP104; 333 break; 334 case WLAN_CIPHER_SUITE_CCMP: 335 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP128; 336 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 337 break; 338 case WLAN_CIPHER_SUITE_CCMP_256: 339 hw_key_type = RTW89_SEC_KEY_TYPE_CCMP256; 340 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 341 ext_key = true; 342 break; 343 case WLAN_CIPHER_SUITE_GCMP: 344 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP128; 345 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 346 break; 347 case WLAN_CIPHER_SUITE_GCMP_256: 348 hw_key_type = RTW89_SEC_KEY_TYPE_GCMP256; 349 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 350 ext_key = true; 351 break; 352 default: 353 return -EOPNOTSUPP; 354 } 355 356 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 357 358 ret = rtw89_cam_sec_key_install(rtwdev, vif, sta, key, hw_key_type, 359 ext_key); 360 if (ret) { 361 rtw89_err(rtwdev, "failed to install key type %d ext %d: %d\n", 362 hw_key_type, ext_key, ret); 363 return ret; 364 } 365 366 return 0; 367 } 368 369 int rtw89_cam_sec_key_del(struct rtw89_dev *rtwdev, 370 struct ieee80211_vif *vif, 371 struct ieee80211_sta *sta, 372 struct ieee80211_key_conf *key, 373 bool inform_fw) 374 { 375 struct rtw89_sta *rtwsta = sta_to_rtwsta_safe(sta); 376 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 377 struct rtw89_vif *rtwvif; 378 struct rtw89_addr_cam_entry *addr_cam; 379 struct rtw89_sec_cam_entry *sec_cam; 380 u8 key_idx = key->hw_key_idx; 381 u8 sec_cam_idx; 382 int ret = 0; 383 384 if (!vif) { 385 rtw89_err(rtwdev, "No iface for deleting sec cam\n"); 386 return -EINVAL; 387 } 388 389 rtwvif = (struct rtw89_vif *)vif->drv_priv; 390 addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta); 391 sec_cam = addr_cam->sec_entries[key_idx]; 392 if (!sec_cam) 393 return -EINVAL; 394 395 /* detach sec cam from addr cam */ 396 clear_bit(key_idx, addr_cam->sec_cam_map); 397 addr_cam->sec_entries[key_idx] = NULL; 398 if (inform_fw) { 399 ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL); 400 if (ret) 401 rtw89_err(rtwdev, "failed to update cam del key: %d\n", ret); 402 } 403 404 /* clear valid bit in addr cam will disable sec cam, 405 * so we don't need to send H2C command again 406 */ 407 sec_cam_idx = sec_cam->sec_cam_idx; 408 clear_bit(sec_cam_idx, cam_info->sec_cam_map); 409 if (sec_cam->ext_key) 410 clear_bit(sec_cam_idx + 1, cam_info->sec_cam_map); 411 412 kfree(sec_cam); 413 414 return ret; 415 } 416 417 static void rtw89_cam_reset_key_iter(struct ieee80211_hw *hw, 418 struct ieee80211_vif *vif, 419 struct ieee80211_sta *sta, 420 struct ieee80211_key_conf *key, 421 void *data) 422 { 423 struct rtw89_dev *rtwdev = (struct rtw89_dev *)data; 424 struct rtw89_vif *rtwvif = (struct rtw89_vif *)vif->drv_priv; 425 426 rtw89_cam_sec_key_del(rtwdev, vif, sta, key, false); 427 rtw89_cam_deinit(rtwdev, rtwvif); 428 } 429 430 void rtw89_cam_deinit_addr_cam(struct rtw89_dev *rtwdev, 431 struct rtw89_addr_cam_entry *addr_cam) 432 { 433 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 434 435 addr_cam->valid = false; 436 clear_bit(addr_cam->addr_cam_idx, cam_info->addr_cam_map); 437 } 438 439 void rtw89_cam_deinit(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 440 { 441 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 442 struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam; 443 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam; 444 445 rtw89_cam_deinit_addr_cam(rtwdev, addr_cam); 446 bssid_cam->valid = false; 447 clear_bit(bssid_cam->bssid_cam_idx, cam_info->bssid_cam_map); 448 } 449 450 void rtw89_cam_reset_keys(struct rtw89_dev *rtwdev) 451 { 452 rcu_read_lock(); 453 ieee80211_iter_keys_rcu(rtwdev->hw, NULL, rtw89_cam_reset_key_iter, rtwdev); 454 rcu_read_unlock(); 455 } 456 457 static int rtw89_cam_get_avail_addr_cam(struct rtw89_dev *rtwdev, 458 u8 *addr_cam_idx) 459 { 460 const struct rtw89_chip_info *chip = rtwdev->chip; 461 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 462 u8 addr_cam_num = chip->acam_num; 463 u8 idx; 464 465 idx = find_first_zero_bit(cam_info->addr_cam_map, addr_cam_num); 466 if (idx >= addr_cam_num) 467 return -EBUSY; 468 469 set_bit(idx, cam_info->addr_cam_map); 470 *addr_cam_idx = idx; 471 472 return 0; 473 } 474 475 int rtw89_cam_init_addr_cam(struct rtw89_dev *rtwdev, 476 struct rtw89_addr_cam_entry *addr_cam, 477 const struct rtw89_bssid_cam_entry *bssid_cam) 478 { 479 u8 addr_cam_idx; 480 int i; 481 int ret; 482 483 ret = rtw89_cam_get_avail_addr_cam(rtwdev, &addr_cam_idx); 484 if (ret) { 485 rtw89_err(rtwdev, "failed to get available addr cam\n"); 486 return ret; 487 } 488 489 addr_cam->addr_cam_idx = addr_cam_idx; 490 addr_cam->len = ADDR_CAM_ENT_SIZE; 491 addr_cam->offset = 0; 492 addr_cam->valid = true; 493 addr_cam->addr_mask = 0; 494 addr_cam->mask_sel = RTW89_NO_MSK; 495 addr_cam->sec_ent_mode = RTW89_ADDR_CAM_SEC_NORMAL; 496 bitmap_zero(addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM); 497 498 for (i = 0; i < RTW89_SEC_CAM_IN_ADDR_CAM; i++) { 499 addr_cam->sec_ent_keyid[i] = 0; 500 addr_cam->sec_ent[i] = 0; 501 } 502 503 /* associate addr cam with bssid cam */ 504 addr_cam->bssid_cam_idx = bssid_cam->bssid_cam_idx; 505 506 return 0; 507 } 508 509 static int rtw89_cam_get_avail_bssid_cam(struct rtw89_dev *rtwdev, 510 u8 *bssid_cam_idx) 511 { 512 const struct rtw89_chip_info *chip = rtwdev->chip; 513 struct rtw89_cam_info *cam_info = &rtwdev->cam_info; 514 u8 bssid_cam_num = chip->bcam_num; 515 u8 idx; 516 517 idx = find_first_zero_bit(cam_info->bssid_cam_map, bssid_cam_num); 518 if (idx >= bssid_cam_num) 519 return -EBUSY; 520 521 set_bit(idx, cam_info->bssid_cam_map); 522 *bssid_cam_idx = idx; 523 524 return 0; 525 } 526 527 static int rtw89_cam_init_bssid_cam(struct rtw89_dev *rtwdev, 528 struct rtw89_vif *rtwvif) 529 { 530 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam; 531 u8 bssid_cam_idx; 532 int ret; 533 534 ret = rtw89_cam_get_avail_bssid_cam(rtwdev, &bssid_cam_idx); 535 if (ret) { 536 rtw89_err(rtwdev, "failed to get available bssid cam\n"); 537 return ret; 538 } 539 540 bssid_cam->bssid_cam_idx = bssid_cam_idx; 541 bssid_cam->phy_idx = rtwvif->phy_idx; 542 bssid_cam->len = BSSID_CAM_ENT_SIZE; 543 bssid_cam->offset = 0; 544 bssid_cam->valid = true; 545 ether_addr_copy(bssid_cam->bssid, rtwvif->bssid); 546 547 return 0; 548 } 549 550 void rtw89_cam_bssid_changed(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 551 { 552 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam; 553 554 ether_addr_copy(bssid_cam->bssid, rtwvif->bssid); 555 } 556 557 int rtw89_cam_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) 558 { 559 struct rtw89_addr_cam_entry *addr_cam = &rtwvif->addr_cam; 560 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam; 561 int ret; 562 563 ret = rtw89_cam_init_bssid_cam(rtwdev, rtwvif); 564 if (ret) { 565 rtw89_err(rtwdev, "failed to init bssid cam\n"); 566 return ret; 567 } 568 569 ret = rtw89_cam_init_addr_cam(rtwdev, addr_cam, bssid_cam); 570 if (ret) { 571 rtw89_err(rtwdev, "failed to init addr cam\n"); 572 return ret; 573 } 574 575 return 0; 576 } 577 578 int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev, 579 struct rtw89_vif *rtwvif, u8 *cmd) 580 { 581 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 582 struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif->bssid_cam; 583 u8 bss_color = vif->bss_conf.he_bss_color.color; 584 585 FWCMD_SET_ADDR_BSSID_IDX(cmd, bssid_cam->bssid_cam_idx); 586 FWCMD_SET_ADDR_BSSID_OFFSET(cmd, bssid_cam->offset); 587 FWCMD_SET_ADDR_BSSID_LEN(cmd, bssid_cam->len); 588 FWCMD_SET_ADDR_BSSID_VALID(cmd, bssid_cam->valid); 589 FWCMD_SET_ADDR_BSSID_BB_SEL(cmd, bssid_cam->phy_idx); 590 FWCMD_SET_ADDR_BSSID_BSS_COLOR(cmd, bss_color); 591 592 FWCMD_SET_ADDR_BSSID_BSSID0(cmd, bssid_cam->bssid[0]); 593 FWCMD_SET_ADDR_BSSID_BSSID1(cmd, bssid_cam->bssid[1]); 594 FWCMD_SET_ADDR_BSSID_BSSID2(cmd, bssid_cam->bssid[2]); 595 FWCMD_SET_ADDR_BSSID_BSSID3(cmd, bssid_cam->bssid[3]); 596 FWCMD_SET_ADDR_BSSID_BSSID4(cmd, bssid_cam->bssid[4]); 597 FWCMD_SET_ADDR_BSSID_BSSID5(cmd, bssid_cam->bssid[5]); 598 599 return 0; 600 } 601 602 static u8 rtw89_cam_addr_hash(u8 start, const u8 *addr) 603 { 604 u8 hash = 0; 605 u8 i; 606 607 for (i = start; i < ETH_ALEN; i++) 608 hash ^= addr[i]; 609 610 return hash; 611 } 612 613 void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev, 614 struct rtw89_vif *rtwvif, 615 struct rtw89_sta *rtwsta, 616 const u8 *scan_mac_addr, 617 u8 *cmd) 618 { 619 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 620 struct rtw89_addr_cam_entry *addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta); 621 struct ieee80211_sta *sta = rtwsta_to_sta_safe(rtwsta); 622 const u8 *sma = scan_mac_addr ? scan_mac_addr : rtwvif->mac_addr; 623 u8 sma_hash, tma_hash, addr_msk_start; 624 u8 sma_start = 0; 625 u8 tma_start = 0; 626 u8 *tma = sta ? sta->addr : rtwvif->bssid; 627 628 if (addr_cam->addr_mask != 0) { 629 addr_msk_start = __ffs(addr_cam->addr_mask); 630 if (addr_cam->mask_sel == RTW89_SMA) 631 sma_start = addr_msk_start; 632 else if (addr_cam->mask_sel == RTW89_TMA) 633 tma_start = addr_msk_start; 634 } 635 sma_hash = rtw89_cam_addr_hash(sma_start, sma); 636 tma_hash = rtw89_cam_addr_hash(tma_start, tma); 637 638 FWCMD_SET_ADDR_IDX(cmd, addr_cam->addr_cam_idx); 639 FWCMD_SET_ADDR_OFFSET(cmd, addr_cam->offset); 640 FWCMD_SET_ADDR_LEN(cmd, addr_cam->len); 641 642 FWCMD_SET_ADDR_VALID(cmd, addr_cam->valid); 643 FWCMD_SET_ADDR_NET_TYPE(cmd, rtwvif->net_type); 644 FWCMD_SET_ADDR_BCN_HIT_COND(cmd, rtwvif->bcn_hit_cond); 645 FWCMD_SET_ADDR_HIT_RULE(cmd, rtwvif->hit_rule); 646 FWCMD_SET_ADDR_BB_SEL(cmd, rtwvif->phy_idx); 647 FWCMD_SET_ADDR_ADDR_MASK(cmd, addr_cam->addr_mask); 648 FWCMD_SET_ADDR_MASK_SEL(cmd, addr_cam->mask_sel); 649 FWCMD_SET_ADDR_SMA_HASH(cmd, sma_hash); 650 FWCMD_SET_ADDR_TMA_HASH(cmd, tma_hash); 651 652 FWCMD_SET_ADDR_BSSID_CAM_IDX(cmd, addr_cam->bssid_cam_idx); 653 654 FWCMD_SET_ADDR_SMA0(cmd, sma[0]); 655 FWCMD_SET_ADDR_SMA1(cmd, sma[1]); 656 FWCMD_SET_ADDR_SMA2(cmd, sma[2]); 657 FWCMD_SET_ADDR_SMA3(cmd, sma[3]); 658 FWCMD_SET_ADDR_SMA4(cmd, sma[4]); 659 FWCMD_SET_ADDR_SMA5(cmd, sma[5]); 660 661 FWCMD_SET_ADDR_TMA0(cmd, tma[0]); 662 FWCMD_SET_ADDR_TMA1(cmd, tma[1]); 663 FWCMD_SET_ADDR_TMA2(cmd, tma[2]); 664 FWCMD_SET_ADDR_TMA3(cmd, tma[3]); 665 FWCMD_SET_ADDR_TMA4(cmd, tma[4]); 666 FWCMD_SET_ADDR_TMA5(cmd, tma[5]); 667 668 FWCMD_SET_ADDR_PORT_INT(cmd, rtwvif->port); 669 FWCMD_SET_ADDR_TSF_SYNC(cmd, rtwvif->port); 670 FWCMD_SET_ADDR_TF_TRS(cmd, rtwvif->trigger); 671 FWCMD_SET_ADDR_LSIG_TXOP(cmd, rtwvif->lsig_txop); 672 FWCMD_SET_ADDR_TGT_IND(cmd, rtwvif->tgt_ind); 673 FWCMD_SET_ADDR_FRM_TGT_IND(cmd, rtwvif->frm_tgt_ind); 674 FWCMD_SET_ADDR_MACID(cmd, rtwsta ? rtwsta->mac_id : rtwvif->mac_id); 675 if (rtwvif->net_type == RTW89_NET_TYPE_INFRA) 676 FWCMD_SET_ADDR_AID12(cmd, vif->bss_conf.aid & 0xfff); 677 else if (rtwvif->net_type == RTW89_NET_TYPE_AP_MODE) 678 FWCMD_SET_ADDR_AID12(cmd, sta ? sta->aid & 0xfff : 0); 679 FWCMD_SET_ADDR_WOL_PATTERN(cmd, rtwvif->wowlan_pattern); 680 FWCMD_SET_ADDR_WOL_UC(cmd, rtwvif->wowlan_uc); 681 FWCMD_SET_ADDR_WOL_MAGIC(cmd, rtwvif->wowlan_magic); 682 FWCMD_SET_ADDR_WAPI(cmd, addr_cam->wapi); 683 FWCMD_SET_ADDR_SEC_ENT_MODE(cmd, addr_cam->sec_ent_mode); 684 FWCMD_SET_ADDR_SEC_ENT0_KEYID(cmd, addr_cam->sec_ent_keyid[0]); 685 FWCMD_SET_ADDR_SEC_ENT1_KEYID(cmd, addr_cam->sec_ent_keyid[1]); 686 FWCMD_SET_ADDR_SEC_ENT2_KEYID(cmd, addr_cam->sec_ent_keyid[2]); 687 FWCMD_SET_ADDR_SEC_ENT3_KEYID(cmd, addr_cam->sec_ent_keyid[3]); 688 FWCMD_SET_ADDR_SEC_ENT4_KEYID(cmd, addr_cam->sec_ent_keyid[4]); 689 FWCMD_SET_ADDR_SEC_ENT5_KEYID(cmd, addr_cam->sec_ent_keyid[5]); 690 FWCMD_SET_ADDR_SEC_ENT6_KEYID(cmd, addr_cam->sec_ent_keyid[6]); 691 692 FWCMD_SET_ADDR_SEC_ENT_VALID(cmd, addr_cam->sec_cam_map[0] & 0xff); 693 FWCMD_SET_ADDR_SEC_ENT0(cmd, addr_cam->sec_ent[0]); 694 FWCMD_SET_ADDR_SEC_ENT1(cmd, addr_cam->sec_ent[1]); 695 FWCMD_SET_ADDR_SEC_ENT2(cmd, addr_cam->sec_ent[2]); 696 FWCMD_SET_ADDR_SEC_ENT3(cmd, addr_cam->sec_ent[3]); 697 FWCMD_SET_ADDR_SEC_ENT4(cmd, addr_cam->sec_ent[4]); 698 FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]); 699 FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]); 700 } 701