1 /* 2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. 3 * Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <linux/moduleparam.h> 19 #include <linux/if_arp.h> 20 #include <linux/etherdevice.h> 21 #include <linux/rtnetlink.h> 22 23 #include "wil6210.h" 24 #include "txrx.h" 25 #include "txrx_edma.h" 26 #include "wmi.h" 27 #include "boot_loader.h" 28 29 #define WAIT_FOR_HALP_VOTE_MS 100 30 #define WAIT_FOR_SCAN_ABORT_MS 1000 31 #define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1 32 #define WIL_BOARD_FILE_MAX_NAMELEN 128 33 34 bool debug_fw; /* = false; */ 35 module_param(debug_fw, bool, 0444); 36 MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); 37 38 static u8 oob_mode; 39 module_param(oob_mode, byte, 0444); 40 MODULE_PARM_DESC(oob_mode, 41 " enable out of the box (OOB) mode in FW, for diagnostics and certification"); 42 43 bool no_fw_recovery; 44 module_param(no_fw_recovery, bool, 0644); 45 MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); 46 47 /* if not set via modparam, will be set to default value of 1/8 of 48 * rx ring size during init flow 49 */ 50 unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; 51 module_param(rx_ring_overflow_thrsh, ushort, 0444); 52 MODULE_PARM_DESC(rx_ring_overflow_thrsh, 53 " RX ring overflow threshold in descriptors."); 54 55 /* We allow allocation of more than 1 page buffers to support large packets. 56 * It is suboptimal behavior performance wise in case MTU above page size. 57 */ 58 unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; 59 static int mtu_max_set(const char *val, const struct kernel_param *kp) 60 { 61 int ret; 62 63 /* sets mtu_max directly. no need to restore it in case of 64 * illegal value since we assume this will fail insmod 65 */ 66 ret = param_set_uint(val, kp); 67 if (ret) 68 return ret; 69 70 if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) 71 ret = -EINVAL; 72 73 return ret; 74 } 75 76 static const struct kernel_param_ops mtu_max_ops = { 77 .set = mtu_max_set, 78 .get = param_get_uint, 79 }; 80 81 module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444); 82 MODULE_PARM_DESC(mtu_max, " Max MTU value."); 83 84 static uint rx_ring_order; 85 static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; 86 static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; 87 88 static int ring_order_set(const char *val, const struct kernel_param *kp) 89 { 90 int ret; 91 uint x; 92 93 ret = kstrtouint(val, 0, &x); 94 if (ret) 95 return ret; 96 97 if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) 98 return -EINVAL; 99 100 *((uint *)kp->arg) = x; 101 102 return 0; 103 } 104 105 static const struct kernel_param_ops ring_order_ops = { 106 .set = ring_order_set, 107 .get = param_get_uint, 108 }; 109 110 module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444); 111 MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); 112 module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444); 113 MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); 114 module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); 115 MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); 116 117 enum { 118 WIL_BOOT_ERR, 119 WIL_BOOT_VANILLA, 120 WIL_BOOT_PRODUCTION, 121 WIL_BOOT_DEVELOPMENT, 122 }; 123 124 enum { 125 WIL_SIG_STATUS_VANILLA = 0x0, 126 WIL_SIG_STATUS_DEVELOPMENT = 0x1, 127 WIL_SIG_STATUS_PRODUCTION = 0x2, 128 WIL_SIG_STATUS_CORRUPTED_PRODUCTION = 0x3, 129 }; 130 131 #define RST_DELAY (20) /* msec, for loop in @wil_wait_device_ready */ 132 #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ 133 134 #define PMU_READY_DELAY_MS (4) /* ms, for sleep in @wil_wait_device_ready */ 135 136 #define OTP_HW_DELAY (200) /* usec, loop in @wil_wait_device_ready_talyn_mb */ 137 /* round up to be above 2 ms total */ 138 #define OTP_HW_COUNT (1 + 2000 / OTP_HW_DELAY) 139 140 /* 141 * Due to a hardware issue, 142 * one has to read/write to/from NIC in 32-bit chunks; 143 * regular memcpy_fromio and siblings will 144 * not work on 64-bit platform - it uses 64-bit transactions 145 * 146 * Force 32-bit transactions to enable NIC on 64-bit platforms 147 * 148 * To avoid byte swap on big endian host, __raw_{read|write}l 149 * should be used - {read|write}l would swap bytes to provide 150 * little endian on PCI value in host endianness. 151 */ 152 void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, 153 size_t count) 154 { 155 u32 *d = dst; 156 const volatile u32 __iomem *s = src; 157 158 for (; count >= 4; count -= 4) 159 *d++ = __raw_readl(s++); 160 161 if (unlikely(count)) { 162 /* count can be 1..3 */ 163 u32 tmp = __raw_readl(s); 164 165 memcpy(d, &tmp, count); 166 } 167 } 168 169 void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, 170 size_t count) 171 { 172 volatile u32 __iomem *d = dst; 173 const u32 *s = src; 174 175 for (; count >= 4; count -= 4) 176 __raw_writel(*s++, d++); 177 178 if (unlikely(count)) { 179 /* count can be 1..3 */ 180 u32 tmp = 0; 181 182 memcpy(&tmp, s, count); 183 __raw_writel(tmp, d); 184 } 185 } 186 187 static void wil_ring_fini_tx(struct wil6210_priv *wil, int id) 188 { 189 struct wil_ring *ring = &wil->ring_tx[id]; 190 struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; 191 192 lockdep_assert_held(&wil->mutex); 193 194 if (!ring->va) 195 return; 196 197 wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id); 198 199 spin_lock_bh(&txdata->lock); 200 txdata->dot1x_open = false; 201 txdata->mid = U8_MAX; 202 txdata->enabled = 0; /* no Tx can be in progress or start anew */ 203 spin_unlock_bh(&txdata->lock); 204 /* napi_synchronize waits for completion of the current NAPI but will 205 * not prevent the next NAPI run. 206 * Add a memory barrier to guarantee that txdata->enabled is zeroed 207 * before napi_synchronize so that the next scheduled NAPI will not 208 * handle this vring 209 */ 210 wmb(); 211 /* make sure NAPI won't touch this vring */ 212 if (test_bit(wil_status_napi_en, wil->status)) 213 napi_synchronize(&wil->napi_tx); 214 215 wil->txrx_ops.ring_fini_tx(wil, ring); 216 } 217 218 static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid) 219 { 220 int i; 221 222 for (i = 0; i < WIL6210_MAX_CID; i++) { 223 if (wil->sta[i].mid == mid && 224 wil->sta[i].status == wil_sta_connected) 225 return true; 226 } 227 228 return false; 229 } 230 231 static void wil_disconnect_cid_complete(struct wil6210_vif *vif, int cid, 232 u16 reason_code) 233 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 234 { 235 uint i; 236 struct wil6210_priv *wil = vif_to_wil(vif); 237 struct net_device *ndev = vif_to_ndev(vif); 238 struct wireless_dev *wdev = vif_to_wdev(vif); 239 struct wil_sta_info *sta = &wil->sta[cid]; 240 int min_ring_id = wil_get_min_tx_ring_id(wil); 241 242 might_sleep(); 243 wil_dbg_misc(wil, 244 "disconnect_cid_complete: CID %d, MID %d, status %d\n", 245 cid, sta->mid, sta->status); 246 /* inform upper layers */ 247 if (sta->status != wil_sta_unused) { 248 if (vif->mid != sta->mid) { 249 wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", 250 vif->mid); 251 } 252 253 switch (wdev->iftype) { 254 case NL80211_IFTYPE_AP: 255 case NL80211_IFTYPE_P2P_GO: 256 /* AP-like interface */ 257 cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); 258 break; 259 default: 260 break; 261 } 262 sta->status = wil_sta_unused; 263 sta->mid = U8_MAX; 264 } 265 /* reorder buffers */ 266 for (i = 0; i < WIL_STA_TID_NUM; i++) { 267 struct wil_tid_ampdu_rx *r; 268 269 spin_lock_bh(&sta->tid_rx_lock); 270 271 r = sta->tid_rx[i]; 272 sta->tid_rx[i] = NULL; 273 wil_tid_ampdu_rx_free(wil, r); 274 275 spin_unlock_bh(&sta->tid_rx_lock); 276 } 277 /* crypto context */ 278 memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); 279 memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); 280 /* release vrings */ 281 for (i = min_ring_id; i < ARRAY_SIZE(wil->ring_tx); i++) { 282 if (wil->ring2cid_tid[i][0] == cid) 283 wil_ring_fini_tx(wil, i); 284 } 285 /* statistics */ 286 memset(&sta->stats, 0, sizeof(sta->stats)); 287 sta->stats.tx_latency_min_us = U32_MAX; 288 } 289 290 static void _wil6210_disconnect_complete(struct wil6210_vif *vif, 291 const u8 *bssid, u16 reason_code) 292 { 293 struct wil6210_priv *wil = vif_to_wil(vif); 294 int cid = -ENOENT; 295 struct net_device *ndev; 296 struct wireless_dev *wdev; 297 298 ndev = vif_to_ndev(vif); 299 wdev = vif_to_wdev(vif); 300 301 might_sleep(); 302 wil_info(wil, "disconnect_complete: bssid=%pM, reason=%d\n", 303 bssid, reason_code); 304 305 /* Cases are: 306 * - disconnect single STA, still connected 307 * - disconnect single STA, already disconnected 308 * - disconnect all 309 * 310 * For "disconnect all", there are 3 options: 311 * - bssid == NULL 312 * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 313 * - bssid is our MAC address 314 */ 315 if (bssid && !is_broadcast_ether_addr(bssid) && 316 !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 317 cid = wil_find_cid(wil, vif->mid, bssid); 318 wil_dbg_misc(wil, 319 "Disconnect complete %pM, CID=%d, reason=%d\n", 320 bssid, cid, reason_code); 321 if (cid >= 0) /* disconnect 1 peer */ 322 wil_disconnect_cid_complete(vif, cid, reason_code); 323 } else { /* all */ 324 wil_dbg_misc(wil, "Disconnect complete all\n"); 325 for (cid = 0; cid < WIL6210_MAX_CID; cid++) 326 wil_disconnect_cid_complete(vif, cid, reason_code); 327 } 328 329 /* link state */ 330 switch (wdev->iftype) { 331 case NL80211_IFTYPE_STATION: 332 case NL80211_IFTYPE_P2P_CLIENT: 333 wil_bcast_fini(vif); 334 wil_update_net_queues_bh(wil, vif, NULL, true); 335 netif_carrier_off(ndev); 336 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 337 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 338 339 if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) { 340 atomic_dec(&wil->connected_vifs); 341 cfg80211_disconnected(ndev, reason_code, 342 NULL, 0, 343 vif->locally_generated_disc, 344 GFP_KERNEL); 345 vif->locally_generated_disc = false; 346 } else if (test_bit(wil_vif_fwconnecting, vif->status)) { 347 cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, 348 WLAN_STATUS_UNSPECIFIED_FAILURE, 349 GFP_KERNEL); 350 vif->bss = NULL; 351 } 352 clear_bit(wil_vif_fwconnecting, vif->status); 353 clear_bit(wil_vif_ft_roam, vif->status); 354 355 break; 356 case NL80211_IFTYPE_AP: 357 case NL80211_IFTYPE_P2P_GO: 358 if (!wil_vif_is_connected(wil, vif->mid)) { 359 wil_update_net_queues_bh(wil, vif, NULL, true); 360 if (test_and_clear_bit(wil_vif_fwconnected, 361 vif->status)) 362 atomic_dec(&wil->connected_vifs); 363 } else { 364 wil_update_net_queues_bh(wil, vif, NULL, false); 365 } 366 break; 367 default: 368 break; 369 } 370 } 371 372 static int wil_disconnect_cid(struct wil6210_vif *vif, int cid, 373 u16 reason_code) 374 { 375 struct wil6210_priv *wil = vif_to_wil(vif); 376 struct wireless_dev *wdev = vif_to_wdev(vif); 377 struct wil_sta_info *sta = &wil->sta[cid]; 378 bool del_sta = false; 379 380 might_sleep(); 381 wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n", 382 cid, sta->mid, sta->status); 383 384 if (sta->status == wil_sta_unused) 385 return 0; 386 387 if (vif->mid != sta->mid) { 388 wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", vif->mid); 389 return -EINVAL; 390 } 391 392 /* inform lower layers */ 393 if (wdev->iftype == NL80211_IFTYPE_AP && disable_ap_sme) 394 del_sta = true; 395 396 /* disconnect by sending command disconnect/del_sta and wait 397 * synchronously for WMI_DISCONNECT_EVENTID event. 398 */ 399 return wmi_disconnect_sta(vif, sta->addr, reason_code, del_sta); 400 } 401 402 static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 403 u16 reason_code) 404 { 405 struct wil6210_priv *wil; 406 struct net_device *ndev; 407 struct wireless_dev *wdev; 408 int cid = -ENOENT; 409 410 if (unlikely(!vif)) 411 return; 412 413 wil = vif_to_wil(vif); 414 ndev = vif_to_ndev(vif); 415 wdev = vif_to_wdev(vif); 416 417 might_sleep(); 418 wil_info(wil, "disconnect bssid=%pM, reason=%d\n", bssid, reason_code); 419 420 /* Cases are: 421 * - disconnect single STA, still connected 422 * - disconnect single STA, already disconnected 423 * - disconnect all 424 * 425 * For "disconnect all", there are 3 options: 426 * - bssid == NULL 427 * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 428 * - bssid is our MAC address 429 */ 430 if (bssid && !is_broadcast_ether_addr(bssid) && 431 !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 432 cid = wil_find_cid(wil, vif->mid, bssid); 433 wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", 434 bssid, cid, reason_code); 435 if (cid >= 0) /* disconnect 1 peer */ 436 wil_disconnect_cid(vif, cid, reason_code); 437 } else { /* all */ 438 wil_dbg_misc(wil, "Disconnect all\n"); 439 for (cid = 0; cid < WIL6210_MAX_CID; cid++) 440 wil_disconnect_cid(vif, cid, reason_code); 441 } 442 443 /* call event handler manually after processing wmi_call, 444 * to avoid deadlock - disconnect event handler acquires 445 * wil->mutex while it is already held here 446 */ 447 _wil6210_disconnect_complete(vif, bssid, reason_code); 448 } 449 450 void wil_disconnect_worker(struct work_struct *work) 451 { 452 struct wil6210_vif *vif = container_of(work, 453 struct wil6210_vif, disconnect_worker); 454 struct wil6210_priv *wil = vif_to_wil(vif); 455 struct net_device *ndev = vif_to_ndev(vif); 456 int rc; 457 struct { 458 struct wmi_cmd_hdr wmi; 459 struct wmi_disconnect_event evt; 460 } __packed reply; 461 462 if (test_bit(wil_vif_fwconnected, vif->status)) 463 /* connect succeeded after all */ 464 return; 465 466 if (!test_bit(wil_vif_fwconnecting, vif->status)) 467 /* already disconnected */ 468 return; 469 470 memset(&reply, 0, sizeof(reply)); 471 472 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 473 WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 474 WIL6210_DISCONNECT_TO_MS); 475 if (rc) { 476 wil_err(wil, "disconnect error %d\n", rc); 477 return; 478 } 479 480 wil_update_net_queues_bh(wil, vif, NULL, true); 481 netif_carrier_off(ndev); 482 cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0, 483 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); 484 clear_bit(wil_vif_fwconnecting, vif->status); 485 } 486 487 static int wil_wait_for_recovery(struct wil6210_priv *wil) 488 { 489 if (wait_event_interruptible(wil->wq, wil->recovery_state != 490 fw_recovery_pending)) { 491 wil_err(wil, "Interrupt, canceling recovery\n"); 492 return -ERESTARTSYS; 493 } 494 if (wil->recovery_state != fw_recovery_running) { 495 wil_info(wil, "Recovery cancelled\n"); 496 return -EINTR; 497 } 498 wil_info(wil, "Proceed with recovery\n"); 499 return 0; 500 } 501 502 void wil_set_recovery_state(struct wil6210_priv *wil, int state) 503 { 504 wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n", 505 wil->recovery_state, state); 506 507 wil->recovery_state = state; 508 wake_up_interruptible(&wil->wq); 509 } 510 511 bool wil_is_recovery_blocked(struct wil6210_priv *wil) 512 { 513 return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); 514 } 515 516 static void wil_fw_error_worker(struct work_struct *work) 517 { 518 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 519 fw_error_worker); 520 struct net_device *ndev = wil->main_ndev; 521 struct wireless_dev *wdev; 522 523 wil_dbg_misc(wil, "fw error worker\n"); 524 525 if (!ndev || !(ndev->flags & IFF_UP)) { 526 wil_info(wil, "No recovery - interface is down\n"); 527 return; 528 } 529 wdev = ndev->ieee80211_ptr; 530 531 /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO 532 * passed since last recovery attempt 533 */ 534 if (time_is_after_jiffies(wil->last_fw_recovery + 535 WIL6210_FW_RECOVERY_TO)) 536 wil->recovery_count++; 537 else 538 wil->recovery_count = 1; /* fw was alive for a long time */ 539 540 if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { 541 wil_err(wil, "too many recovery attempts (%d), giving up\n", 542 wil->recovery_count); 543 return; 544 } 545 546 wil->last_fw_recovery = jiffies; 547 548 wil_info(wil, "fw error recovery requested (try %d)...\n", 549 wil->recovery_count); 550 if (!no_fw_recovery) 551 wil->recovery_state = fw_recovery_running; 552 if (wil_wait_for_recovery(wil) != 0) 553 return; 554 555 rtnl_lock(); 556 mutex_lock(&wil->mutex); 557 /* Needs adaptation for multiple VIFs 558 * need to go over all VIFs and consider the appropriate 559 * recovery because each one can have different iftype. 560 */ 561 switch (wdev->iftype) { 562 case NL80211_IFTYPE_STATION: 563 case NL80211_IFTYPE_P2P_CLIENT: 564 case NL80211_IFTYPE_MONITOR: 565 /* silent recovery, upper layers will see disconnect */ 566 __wil_down(wil); 567 __wil_up(wil); 568 break; 569 case NL80211_IFTYPE_AP: 570 case NL80211_IFTYPE_P2P_GO: 571 if (no_fw_recovery) /* upper layers do recovery */ 572 break; 573 /* silent recovery, upper layers will see disconnect */ 574 __wil_down(wil); 575 __wil_up(wil); 576 mutex_unlock(&wil->mutex); 577 wil_cfg80211_ap_recovery(wil); 578 mutex_lock(&wil->mutex); 579 wil_info(wil, "... completed\n"); 580 break; 581 default: 582 wil_err(wil, "No recovery - unknown interface type %d\n", 583 wdev->iftype); 584 break; 585 } 586 587 mutex_unlock(&wil->mutex); 588 rtnl_unlock(); 589 } 590 591 static int wil_find_free_ring(struct wil6210_priv *wil) 592 { 593 int i; 594 int min_ring_id = wil_get_min_tx_ring_id(wil); 595 596 for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { 597 if (!wil->ring_tx[i].va) 598 return i; 599 } 600 return -EINVAL; 601 } 602 603 int wil_ring_init_tx(struct wil6210_vif *vif, int cid) 604 { 605 struct wil6210_priv *wil = vif_to_wil(vif); 606 int rc = -EINVAL, ringid; 607 608 if (cid < 0) { 609 wil_err(wil, "No connection pending\n"); 610 goto out; 611 } 612 ringid = wil_find_free_ring(wil); 613 if (ringid < 0) { 614 wil_err(wil, "No free vring found\n"); 615 goto out; 616 } 617 618 wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", 619 cid, vif->mid, ringid); 620 621 rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order, 622 cid, 0); 623 if (rc) 624 wil_err(wil, "init TX for CID %d MID %d vring %d failed\n", 625 cid, vif->mid, ringid); 626 627 out: 628 return rc; 629 } 630 631 int wil_bcast_init(struct wil6210_vif *vif) 632 { 633 struct wil6210_priv *wil = vif_to_wil(vif); 634 int ri = vif->bcast_ring, rc; 635 636 if (ri >= 0 && wil->ring_tx[ri].va) 637 return 0; 638 639 ri = wil_find_free_ring(wil); 640 if (ri < 0) 641 return ri; 642 643 vif->bcast_ring = ri; 644 rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order); 645 if (rc) 646 vif->bcast_ring = -1; 647 648 return rc; 649 } 650 651 void wil_bcast_fini(struct wil6210_vif *vif) 652 { 653 struct wil6210_priv *wil = vif_to_wil(vif); 654 int ri = vif->bcast_ring; 655 656 if (ri < 0) 657 return; 658 659 vif->bcast_ring = -1; 660 wil_ring_fini_tx(wil, ri); 661 } 662 663 void wil_bcast_fini_all(struct wil6210_priv *wil) 664 { 665 int i; 666 struct wil6210_vif *vif; 667 668 for (i = 0; i < wil->max_vifs; i++) { 669 vif = wil->vifs[i]; 670 if (vif) 671 wil_bcast_fini(vif); 672 } 673 } 674 675 int wil_priv_init(struct wil6210_priv *wil) 676 { 677 uint i; 678 679 wil_dbg_misc(wil, "priv_init\n"); 680 681 memset(wil->sta, 0, sizeof(wil->sta)); 682 for (i = 0; i < WIL6210_MAX_CID; i++) { 683 spin_lock_init(&wil->sta[i].tid_rx_lock); 684 wil->sta[i].mid = U8_MAX; 685 } 686 687 for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { 688 spin_lock_init(&wil->ring_tx_data[i].lock); 689 wil->ring2cid_tid[i][0] = WIL6210_MAX_CID; 690 } 691 692 mutex_init(&wil->mutex); 693 mutex_init(&wil->vif_mutex); 694 mutex_init(&wil->wmi_mutex); 695 mutex_init(&wil->halp.lock); 696 697 init_completion(&wil->wmi_ready); 698 init_completion(&wil->wmi_call); 699 init_completion(&wil->halp.comp); 700 701 INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); 702 INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); 703 704 INIT_LIST_HEAD(&wil->pending_wmi_ev); 705 spin_lock_init(&wil->wmi_ev_lock); 706 spin_lock_init(&wil->net_queue_lock); 707 init_waitqueue_head(&wil->wq); 708 709 wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); 710 if (!wil->wmi_wq) 711 return -EAGAIN; 712 713 wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); 714 if (!wil->wq_service) 715 goto out_wmi_wq; 716 717 wil->last_fw_recovery = jiffies; 718 wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; 719 wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; 720 wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; 721 wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; 722 723 if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) 724 rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; 725 726 wil->ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 727 728 wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | 729 WMI_WAKEUP_TRIGGER_BCAST; 730 memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); 731 wil->ring_idle_trsh = 16; 732 733 wil->reply_mid = U8_MAX; 734 wil->max_vifs = 1; 735 736 /* edma configuration can be updated via debugfs before allocation */ 737 wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; 738 wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; 739 740 /* Rx status ring size should be bigger than the number of RX buffers 741 * in order to prevent backpressure on the status ring, which may 742 * cause HW freeze. 743 */ 744 wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; 745 /* Number of RX buffer IDs should be bigger than the RX descriptor 746 * ring size as in HW reorder flow, the HW can consume additional 747 * buffers before releasing the previous ones. 748 */ 749 wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; 750 751 wil->amsdu_en = 1; 752 753 return 0; 754 755 out_wmi_wq: 756 destroy_workqueue(wil->wmi_wq); 757 758 return -EAGAIN; 759 } 760 761 void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps) 762 { 763 if (wil->platform_ops.bus_request) { 764 wil->bus_request_kbps = kbps; 765 wil->platform_ops.bus_request(wil->platform_handle, kbps); 766 } 767 } 768 769 /** 770 * wil6210_disconnect - disconnect one connection 771 * @vif: virtual interface context 772 * @bssid: peer to disconnect, NULL to disconnect all 773 * @reason_code: Reason code for the Disassociation frame 774 * 775 * Disconnect and release associated resources. Issue WMI 776 * command(s) to trigger MAC disconnect. When command was issued 777 * successfully, call the wil6210_disconnect_complete function 778 * to handle the event synchronously 779 */ 780 void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 781 u16 reason_code) 782 { 783 struct wil6210_priv *wil = vif_to_wil(vif); 784 785 wil_dbg_misc(wil, "disconnecting\n"); 786 787 del_timer_sync(&vif->connect_timer); 788 _wil6210_disconnect(vif, bssid, reason_code); 789 } 790 791 /** 792 * wil6210_disconnect_complete - handle disconnect event 793 * @vif: virtual interface context 794 * @bssid: peer to disconnect, NULL to disconnect all 795 * @reason_code: Reason code for the Disassociation frame 796 * 797 * Release associated resources and indicate upper layers the 798 * connection is terminated. 799 */ 800 void wil6210_disconnect_complete(struct wil6210_vif *vif, const u8 *bssid, 801 u16 reason_code) 802 { 803 struct wil6210_priv *wil = vif_to_wil(vif); 804 805 wil_dbg_misc(wil, "got disconnect\n"); 806 807 del_timer_sync(&vif->connect_timer); 808 _wil6210_disconnect_complete(vif, bssid, reason_code); 809 } 810 811 void wil_priv_deinit(struct wil6210_priv *wil) 812 { 813 wil_dbg_misc(wil, "priv_deinit\n"); 814 815 wil_set_recovery_state(wil, fw_recovery_idle); 816 cancel_work_sync(&wil->fw_error_worker); 817 wmi_event_flush(wil); 818 destroy_workqueue(wil->wq_service); 819 destroy_workqueue(wil->wmi_wq); 820 } 821 822 static void wil_shutdown_bl(struct wil6210_priv *wil) 823 { 824 u32 val; 825 826 wil_s(wil, RGF_USER_BL + 827 offsetof(struct bl_dedicated_registers_v1, 828 bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD); 829 830 usleep_range(100, 150); 831 832 val = wil_r(wil, RGF_USER_BL + 833 offsetof(struct bl_dedicated_registers_v1, 834 bl_shutdown_handshake)); 835 if (val & BL_SHUTDOWN_HS_RTD) { 836 wil_dbg_misc(wil, "BL is ready for halt\n"); 837 return; 838 } 839 840 wil_err(wil, "BL did not report ready for halt\n"); 841 } 842 843 /* this format is used by ARC embedded CPU for instruction memory */ 844 static inline u32 ARC_me_imm32(u32 d) 845 { 846 return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16); 847 } 848 849 /* defines access to interrupt vectors for wil_freeze_bl */ 850 #define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8) 851 /* ARC long jump instruction */ 852 #define ARC_JAL_INST (0x20200f80) 853 854 static void wil_freeze_bl(struct wil6210_priv *wil) 855 { 856 u32 jal, upc, saved; 857 u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3); 858 859 jal = wil_r(wil, wil->iccm_base + ivt3); 860 if (jal != ARC_me_imm32(ARC_JAL_INST)) { 861 wil_dbg_misc(wil, "invalid IVT entry found, skipping\n"); 862 return; 863 } 864 865 /* prevent the target from entering deep sleep 866 * and disabling memory access 867 */ 868 saved = wil_r(wil, RGF_USER_USAGE_8); 869 wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP); 870 usleep_range(20, 25); /* let the BL process the bit */ 871 872 /* redirect to endless loop in the INT_L1 context and let it trap */ 873 wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3)); 874 usleep_range(20, 25); /* let the BL get into the trap */ 875 876 /* verify the BL is frozen */ 877 upc = wil_r(wil, RGF_USER_CPU_PC); 878 if (upc < ivt3 || (upc > (ivt3 + 8))) 879 wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc); 880 881 wil_w(wil, RGF_USER_USAGE_8, saved); 882 } 883 884 static void wil_bl_prepare_halt(struct wil6210_priv *wil) 885 { 886 u32 tmp, ver; 887 888 /* before halting device CPU driver must make sure BL is not accessing 889 * host memory. This is done differently depending on BL version: 890 * 1. For very old BL versions the procedure is skipped 891 * (not supported). 892 * 2. For old BL version we use a special trick to freeze the BL 893 * 3. For new BL versions we shutdown the BL using handshake procedure. 894 */ 895 tmp = wil_r(wil, RGF_USER_BL + 896 offsetof(struct bl_dedicated_registers_v0, 897 boot_loader_struct_version)); 898 if (!tmp) { 899 wil_dbg_misc(wil, "old BL, skipping halt preparation\n"); 900 return; 901 } 902 903 tmp = wil_r(wil, RGF_USER_BL + 904 offsetof(struct bl_dedicated_registers_v1, 905 bl_shutdown_handshake)); 906 ver = BL_SHUTDOWN_HS_PROT_VER(tmp); 907 908 if (ver > 0) 909 wil_shutdown_bl(wil); 910 else 911 wil_freeze_bl(wil); 912 } 913 914 static inline void wil_halt_cpu(struct wil6210_priv *wil) 915 { 916 if (wil->hw_version >= HW_VER_TALYN_MB) { 917 wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 918 BIT_USER_USER_CPU_MAN_RST); 919 wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB, 920 BIT_USER_MAC_CPU_MAN_RST); 921 } else { 922 wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); 923 wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); 924 } 925 } 926 927 static inline void wil_release_cpu(struct wil6210_priv *wil) 928 { 929 /* Start CPU */ 930 if (wil->hw_version >= HW_VER_TALYN_MB) 931 wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1); 932 else 933 wil_w(wil, RGF_USER_USER_CPU_0, 1); 934 } 935 936 static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) 937 { 938 wil_info(wil, "oob_mode to %d\n", mode); 939 switch (mode) { 940 case 0: 941 wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE | 942 BIT_USER_OOB_R2_MODE); 943 break; 944 case 1: 945 wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 946 wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 947 break; 948 case 2: 949 wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 950 wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 951 break; 952 default: 953 wil_err(wil, "invalid oob_mode: %d\n", mode); 954 } 955 } 956 957 static int wil_wait_device_ready(struct wil6210_priv *wil, int no_flash) 958 { 959 int delay = 0; 960 u32 x, x1 = 0; 961 962 /* wait until device ready. */ 963 if (no_flash) { 964 msleep(PMU_READY_DELAY_MS); 965 966 wil_dbg_misc(wil, "Reset completed\n"); 967 } else { 968 do { 969 msleep(RST_DELAY); 970 x = wil_r(wil, RGF_USER_BL + 971 offsetof(struct bl_dedicated_registers_v0, 972 boot_loader_ready)); 973 if (x1 != x) { 974 wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", 975 x1, x); 976 x1 = x; 977 } 978 if (delay++ > RST_COUNT) { 979 wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", 980 x); 981 return -ETIME; 982 } 983 } while (x != BL_READY); 984 985 wil_dbg_misc(wil, "Reset completed in %d ms\n", 986 delay * RST_DELAY); 987 } 988 989 return 0; 990 } 991 992 static int wil_wait_device_ready_talyn_mb(struct wil6210_priv *wil) 993 { 994 u32 otp_hw; 995 u8 signature_status; 996 bool otp_signature_err; 997 bool hw_section_done; 998 u32 otp_qc_secured; 999 int delay = 0; 1000 1001 /* Wait for OTP signature test to complete */ 1002 usleep_range(2000, 2200); 1003 1004 wil->boot_config = WIL_BOOT_ERR; 1005 1006 /* Poll until OTP signature status is valid. 1007 * In vanilla and development modes, when signature test is complete 1008 * HW sets BIT_OTP_SIGNATURE_ERR_TALYN_MB. 1009 * In production mode BIT_OTP_SIGNATURE_ERR_TALYN_MB remains 0, poll 1010 * for signature status change to 2 or 3. 1011 */ 1012 do { 1013 otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); 1014 signature_status = WIL_GET_BITS(otp_hw, 8, 9); 1015 otp_signature_err = otp_hw & BIT_OTP_SIGNATURE_ERR_TALYN_MB; 1016 1017 if (otp_signature_err && 1018 signature_status == WIL_SIG_STATUS_VANILLA) { 1019 wil->boot_config = WIL_BOOT_VANILLA; 1020 break; 1021 } 1022 if (otp_signature_err && 1023 signature_status == WIL_SIG_STATUS_DEVELOPMENT) { 1024 wil->boot_config = WIL_BOOT_DEVELOPMENT; 1025 break; 1026 } 1027 if (!otp_signature_err && 1028 signature_status == WIL_SIG_STATUS_PRODUCTION) { 1029 wil->boot_config = WIL_BOOT_PRODUCTION; 1030 break; 1031 } 1032 if (!otp_signature_err && 1033 signature_status == 1034 WIL_SIG_STATUS_CORRUPTED_PRODUCTION) { 1035 /* Unrecognized OTP signature found. Possibly a 1036 * corrupted production signature, access control 1037 * is applied as in production mode, therefore 1038 * do not fail 1039 */ 1040 wil->boot_config = WIL_BOOT_PRODUCTION; 1041 break; 1042 } 1043 if (delay++ > OTP_HW_COUNT) 1044 break; 1045 1046 usleep_range(OTP_HW_DELAY, OTP_HW_DELAY + 10); 1047 } while (!otp_signature_err && signature_status == 0); 1048 1049 if (wil->boot_config == WIL_BOOT_ERR) { 1050 wil_err(wil, 1051 "invalid boot config, signature_status %d otp_signature_err %d\n", 1052 signature_status, otp_signature_err); 1053 return -ETIME; 1054 } 1055 1056 wil_dbg_misc(wil, 1057 "signature test done in %d usec, otp_hw 0x%x, boot_config %d\n", 1058 delay * OTP_HW_DELAY, otp_hw, wil->boot_config); 1059 1060 if (wil->boot_config == WIL_BOOT_VANILLA) 1061 /* Assuming not SPI boot (currently not supported) */ 1062 goto out; 1063 1064 hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; 1065 delay = 0; 1066 1067 while (!hw_section_done) { 1068 msleep(RST_DELAY); 1069 1070 otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); 1071 hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; 1072 1073 if (delay++ > RST_COUNT) { 1074 wil_err(wil, "TO waiting for hw_section_done\n"); 1075 return -ETIME; 1076 } 1077 } 1078 1079 wil_dbg_misc(wil, "HW section done in %d ms\n", delay * RST_DELAY); 1080 1081 otp_qc_secured = wil_r(wil, RGF_OTP_QC_SECURED); 1082 wil->secured_boot = otp_qc_secured & BIT_BOOT_FROM_ROM ? 1 : 0; 1083 wil_dbg_misc(wil, "secured boot is %sabled\n", 1084 wil->secured_boot ? "en" : "dis"); 1085 1086 out: 1087 wil_dbg_misc(wil, "Reset completed\n"); 1088 1089 return 0; 1090 } 1091 1092 static int wil_target_reset(struct wil6210_priv *wil, int no_flash) 1093 { 1094 u32 x; 1095 int rc; 1096 1097 wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); 1098 1099 if (wil->hw_version < HW_VER_TALYN) { 1100 /* Clear MAC link up */ 1101 wil_s(wil, RGF_HP_CTRL, BIT(15)); 1102 wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, 1103 BIT_HPAL_PERST_FROM_PAD); 1104 wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); 1105 } 1106 1107 wil_halt_cpu(wil); 1108 1109 if (!no_flash) { 1110 /* clear all boot loader "ready" bits */ 1111 wil_w(wil, RGF_USER_BL + 1112 offsetof(struct bl_dedicated_registers_v0, 1113 boot_loader_ready), 0); 1114 /* this should be safe to write even with old BLs */ 1115 wil_w(wil, RGF_USER_BL + 1116 offsetof(struct bl_dedicated_registers_v1, 1117 bl_shutdown_handshake), 0); 1118 } 1119 /* Clear Fw Download notification */ 1120 wil_c(wil, RGF_USER_USAGE_6, BIT(0)); 1121 1122 wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); 1123 /* XTAL stabilization should take about 3ms */ 1124 usleep_range(5000, 7000); 1125 x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); 1126 if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { 1127 wil_err(wil, "Xtal stabilization timeout\n" 1128 "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); 1129 return -ETIME; 1130 } 1131 /* switch 10k to XTAL*/ 1132 wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); 1133 /* 40 MHz */ 1134 wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); 1135 1136 wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); 1137 wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); 1138 1139 if (wil->hw_version >= HW_VER_TALYN_MB) { 1140 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000); 1141 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 1142 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0); 1143 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 1144 } else { 1145 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000); 1146 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 1147 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); 1148 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 1149 } 1150 1151 wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); 1152 wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); 1153 1154 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); 1155 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); 1156 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); 1157 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 1158 1159 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); 1160 /* reset A2 PCIE AHB */ 1161 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); 1162 1163 wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 1164 1165 if (wil->hw_version == HW_VER_TALYN_MB) 1166 rc = wil_wait_device_ready_talyn_mb(wil); 1167 else 1168 rc = wil_wait_device_ready(wil, no_flash); 1169 if (rc) 1170 return rc; 1171 1172 wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); 1173 1174 /* enable fix for HW bug related to the SA/DA swap in AP Rx */ 1175 wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | 1176 BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); 1177 1178 if (wil->hw_version < HW_VER_TALYN_MB && no_flash) { 1179 /* Reset OTP HW vectors to fit 40MHz */ 1180 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); 1181 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); 1182 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1); 1183 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027); 1184 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003); 1185 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002); 1186 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001); 1187 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001); 1188 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001); 1189 wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001); 1190 wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); 1191 } 1192 1193 return 0; 1194 } 1195 1196 static void wil_collect_fw_info(struct wil6210_priv *wil) 1197 { 1198 struct wiphy *wiphy = wil_to_wiphy(wil); 1199 u8 retry_short; 1200 int rc; 1201 1202 wil_refresh_fw_capabilities(wil); 1203 1204 rc = wmi_get_mgmt_retry(wil, &retry_short); 1205 if (!rc) { 1206 wiphy->retry_short = retry_short; 1207 wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short); 1208 } 1209 } 1210 1211 void wil_refresh_fw_capabilities(struct wil6210_priv *wil) 1212 { 1213 struct wiphy *wiphy = wil_to_wiphy(wil); 1214 int features; 1215 1216 wil->keep_radio_on_during_sleep = 1217 test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND, 1218 wil->platform_capa) && 1219 test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); 1220 1221 wil_info(wil, "keep_radio_on_during_sleep (%d)\n", 1222 wil->keep_radio_on_during_sleep); 1223 1224 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) 1225 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1226 else 1227 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 1228 1229 if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) { 1230 wiphy->max_sched_scan_reqs = 1; 1231 wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM; 1232 wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM; 1233 wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN; 1234 wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; 1235 } 1236 1237 if (test_bit(WMI_FW_CAPABILITY_TX_REQ_EXT, wil->fw_capabilities)) 1238 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX; 1239 1240 if (wil->platform_ops.set_features) { 1241 features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, 1242 wil->fw_capabilities) && 1243 test_bit(WIL_PLATFORM_CAPA_EXT_CLK, 1244 wil->platform_capa)) ? 1245 BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; 1246 1247 if (wil->n_msi == 3) 1248 features |= BIT(WIL_PLATFORM_FEATURE_TRIPLE_MSI); 1249 1250 wil->platform_ops.set_features(wil->platform_handle, features); 1251 } 1252 1253 if (test_bit(WMI_FW_CAPABILITY_BACK_WIN_SIZE_64, 1254 wil->fw_capabilities)) { 1255 wil->max_agg_wsize = WIL_MAX_AGG_WSIZE_64; 1256 wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE_128; 1257 } else { 1258 wil->max_agg_wsize = WIL_MAX_AGG_WSIZE; 1259 wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE; 1260 } 1261 1262 update_supported_bands(wil); 1263 } 1264 1265 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) 1266 { 1267 le32_to_cpus(&r->base); 1268 le16_to_cpus(&r->entry_size); 1269 le16_to_cpus(&r->size); 1270 le32_to_cpus(&r->tail); 1271 le32_to_cpus(&r->head); 1272 } 1273 1274 /* construct actual board file name to use */ 1275 void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len) 1276 { 1277 const char *board_file; 1278 const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : 1279 WIL_FW_NAME_TALYN; 1280 1281 if (wil->board_file) { 1282 board_file = wil->board_file; 1283 } else { 1284 /* If specific FW file is used for Talyn, 1285 * use specific board file 1286 */ 1287 if (strcmp(wil->wil_fw_name, wil_talyn_fw_name) == 0) 1288 board_file = WIL_BRD_NAME_TALYN; 1289 else 1290 board_file = WIL_BOARD_FILE_NAME; 1291 } 1292 1293 strlcpy(buf, board_file, len); 1294 } 1295 1296 static int wil_get_bl_info(struct wil6210_priv *wil) 1297 { 1298 struct net_device *ndev = wil->main_ndev; 1299 struct wiphy *wiphy = wil_to_wiphy(wil); 1300 union { 1301 struct bl_dedicated_registers_v0 bl0; 1302 struct bl_dedicated_registers_v1 bl1; 1303 } bl; 1304 u32 bl_ver; 1305 u8 *mac; 1306 u16 rf_status; 1307 1308 wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), 1309 sizeof(bl)); 1310 bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); 1311 mac = bl.bl0.mac_address; 1312 1313 if (bl_ver == 0) { 1314 le32_to_cpus(&bl.bl0.rf_type); 1315 le32_to_cpus(&bl.bl0.baseband_type); 1316 rf_status = 0; /* actually, unknown */ 1317 wil_info(wil, 1318 "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", 1319 bl_ver, mac, 1320 bl.bl0.rf_type, bl.bl0.baseband_type); 1321 wil_info(wil, "Boot Loader build unknown for struct v0\n"); 1322 } else { 1323 le16_to_cpus(&bl.bl1.rf_type); 1324 rf_status = le16_to_cpu(bl.bl1.rf_status); 1325 le32_to_cpus(&bl.bl1.baseband_type); 1326 le16_to_cpus(&bl.bl1.bl_version_subminor); 1327 le16_to_cpus(&bl.bl1.bl_version_build); 1328 wil_info(wil, 1329 "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", 1330 bl_ver, mac, 1331 bl.bl1.rf_type, rf_status, 1332 bl.bl1.baseband_type); 1333 wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", 1334 bl.bl1.bl_version_major, bl.bl1.bl_version_minor, 1335 bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); 1336 } 1337 1338 if (!is_valid_ether_addr(mac)) { 1339 wil_err(wil, "BL: Invalid MAC %pM\n", mac); 1340 return -EINVAL; 1341 } 1342 1343 ether_addr_copy(ndev->perm_addr, mac); 1344 ether_addr_copy(wiphy->perm_addr, mac); 1345 if (!is_valid_ether_addr(ndev->dev_addr)) 1346 ether_addr_copy(ndev->dev_addr, mac); 1347 1348 if (rf_status) {/* bad RF cable? */ 1349 wil_err(wil, "RF communication error 0x%04x", 1350 rf_status); 1351 return -EAGAIN; 1352 } 1353 1354 return 0; 1355 } 1356 1357 static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) 1358 { 1359 u32 bl_assert_code, bl_assert_blink, bl_magic_number; 1360 u32 bl_ver = wil_r(wil, RGF_USER_BL + 1361 offsetof(struct bl_dedicated_registers_v0, 1362 boot_loader_struct_version)); 1363 1364 if (bl_ver < 2) 1365 return; 1366 1367 bl_assert_code = wil_r(wil, RGF_USER_BL + 1368 offsetof(struct bl_dedicated_registers_v1, 1369 bl_assert_code)); 1370 bl_assert_blink = wil_r(wil, RGF_USER_BL + 1371 offsetof(struct bl_dedicated_registers_v1, 1372 bl_assert_blink)); 1373 bl_magic_number = wil_r(wil, RGF_USER_BL + 1374 offsetof(struct bl_dedicated_registers_v1, 1375 bl_magic_number)); 1376 1377 if (is_err) { 1378 wil_err(wil, 1379 "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1380 bl_assert_code, bl_assert_blink, bl_magic_number); 1381 } else { 1382 wil_dbg_misc(wil, 1383 "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1384 bl_assert_code, bl_assert_blink, bl_magic_number); 1385 } 1386 } 1387 1388 static int wil_get_otp_info(struct wil6210_priv *wil) 1389 { 1390 struct net_device *ndev = wil->main_ndev; 1391 struct wiphy *wiphy = wil_to_wiphy(wil); 1392 u8 mac[8]; 1393 int mac_addr; 1394 1395 if (wil->hw_version >= HW_VER_TALYN_MB) 1396 mac_addr = RGF_OTP_MAC_TALYN_MB; 1397 else 1398 mac_addr = RGF_OTP_MAC; 1399 1400 wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), 1401 sizeof(mac)); 1402 if (!is_valid_ether_addr(mac)) { 1403 wil_err(wil, "Invalid MAC %pM\n", mac); 1404 return -EINVAL; 1405 } 1406 1407 ether_addr_copy(ndev->perm_addr, mac); 1408 ether_addr_copy(wiphy->perm_addr, mac); 1409 if (!is_valid_ether_addr(ndev->dev_addr)) 1410 ether_addr_copy(ndev->dev_addr, mac); 1411 1412 return 0; 1413 } 1414 1415 static int wil_wait_for_fw_ready(struct wil6210_priv *wil) 1416 { 1417 ulong to = msecs_to_jiffies(2000); 1418 ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); 1419 1420 if (0 == left) { 1421 wil_err(wil, "Firmware not ready\n"); 1422 return -ETIME; 1423 } else { 1424 wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", 1425 jiffies_to_msecs(to-left), wil->hw_version); 1426 } 1427 return 0; 1428 } 1429 1430 void wil_abort_scan(struct wil6210_vif *vif, bool sync) 1431 { 1432 struct wil6210_priv *wil = vif_to_wil(vif); 1433 int rc; 1434 struct cfg80211_scan_info info = { 1435 .aborted = true, 1436 }; 1437 1438 lockdep_assert_held(&wil->vif_mutex); 1439 1440 if (!vif->scan_request) 1441 return; 1442 1443 wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request); 1444 del_timer_sync(&vif->scan_timer); 1445 mutex_unlock(&wil->vif_mutex); 1446 rc = wmi_abort_scan(vif); 1447 if (!rc && sync) 1448 wait_event_interruptible_timeout(wil->wq, !vif->scan_request, 1449 msecs_to_jiffies( 1450 WAIT_FOR_SCAN_ABORT_MS)); 1451 1452 mutex_lock(&wil->vif_mutex); 1453 if (vif->scan_request) { 1454 cfg80211_scan_done(vif->scan_request, &info); 1455 vif->scan_request = NULL; 1456 } 1457 } 1458 1459 void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync) 1460 { 1461 int i; 1462 1463 lockdep_assert_held(&wil->vif_mutex); 1464 1465 for (i = 0; i < wil->max_vifs; i++) { 1466 struct wil6210_vif *vif = wil->vifs[i]; 1467 1468 if (vif) 1469 wil_abort_scan(vif, sync); 1470 } 1471 } 1472 1473 int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) 1474 { 1475 int rc; 1476 1477 if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { 1478 wil_err(wil, "set_power_mgmt not supported\n"); 1479 return -EOPNOTSUPP; 1480 } 1481 1482 rc = wmi_ps_dev_profile_cfg(wil, ps_profile); 1483 if (rc) 1484 wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); 1485 else 1486 wil->ps_profile = ps_profile; 1487 1488 return rc; 1489 } 1490 1491 static void wil_pre_fw_config(struct wil6210_priv *wil) 1492 { 1493 /* Mark FW as loaded from host */ 1494 wil_s(wil, RGF_USER_USAGE_6, 1); 1495 1496 /* clear any interrupts which on-card-firmware 1497 * may have set 1498 */ 1499 wil6210_clear_irq(wil); 1500 /* CAF_ICR - clear and mask */ 1501 /* it is W1C, clear by writing back same value */ 1502 wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); 1503 wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); 1504 /* clear PAL_UNIT_ICR (potential D0->D3 leftover) 1505 * In Talyn-MB host cannot access this register due to 1506 * access control, hence PAL_UNIT_ICR is cleared by the FW 1507 */ 1508 if (wil->hw_version < HW_VER_TALYN_MB) 1509 wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 1510 0); 1511 1512 if (wil->fw_calib_result > 0) { 1513 __le32 val = cpu_to_le32(wil->fw_calib_result | 1514 (CALIB_RESULT_SIGNATURE << 8)); 1515 wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val); 1516 } 1517 } 1518 1519 static int wil_restore_vifs(struct wil6210_priv *wil) 1520 { 1521 struct wil6210_vif *vif; 1522 struct net_device *ndev; 1523 struct wireless_dev *wdev; 1524 int i, rc; 1525 1526 for (i = 0; i < wil->max_vifs; i++) { 1527 vif = wil->vifs[i]; 1528 if (!vif) 1529 continue; 1530 vif->ap_isolate = 0; 1531 if (vif->mid) { 1532 ndev = vif_to_ndev(vif); 1533 wdev = vif_to_wdev(vif); 1534 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, 1535 wdev->iftype); 1536 if (rc) { 1537 wil_err(wil, "fail to restore VIF %d type %d, rc %d\n", 1538 i, wdev->iftype, rc); 1539 return rc; 1540 } 1541 } 1542 } 1543 1544 return 0; 1545 } 1546 1547 /* 1548 * We reset all the structures, and we reset the UMAC. 1549 * After calling this routine, you're expected to reload 1550 * the firmware. 1551 */ 1552 int wil_reset(struct wil6210_priv *wil, bool load_fw) 1553 { 1554 int rc, i; 1555 unsigned long status_flags = BIT(wil_status_resetting); 1556 int no_flash; 1557 struct wil6210_vif *vif; 1558 1559 wil_dbg_misc(wil, "reset\n"); 1560 1561 WARN_ON(!mutex_is_locked(&wil->mutex)); 1562 WARN_ON(test_bit(wil_status_napi_en, wil->status)); 1563 1564 if (debug_fw) { 1565 static const u8 mac[ETH_ALEN] = { 1566 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, 1567 }; 1568 struct net_device *ndev = wil->main_ndev; 1569 1570 ether_addr_copy(ndev->perm_addr, mac); 1571 ether_addr_copy(ndev->dev_addr, ndev->perm_addr); 1572 return 0; 1573 } 1574 1575 if (wil->hw_version == HW_VER_UNKNOWN) 1576 return -ENODEV; 1577 1578 if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa)) { 1579 wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n"); 1580 wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0); 1581 } 1582 1583 if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) { 1584 wil_dbg_misc(wil, "Notify FW on ext clock configuration\n"); 1585 wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK); 1586 } 1587 1588 if (wil->platform_ops.notify) { 1589 rc = wil->platform_ops.notify(wil->platform_handle, 1590 WIL_PLATFORM_EVT_PRE_RESET); 1591 if (rc) 1592 wil_err(wil, "PRE_RESET platform notify failed, rc %d\n", 1593 rc); 1594 } 1595 1596 set_bit(wil_status_resetting, wil->status); 1597 if (test_bit(wil_status_collecting_dumps, wil->status)) { 1598 /* Device collects crash dump, cancel the reset. 1599 * following crash dump collection, reset would take place. 1600 */ 1601 wil_dbg_misc(wil, "reject reset while collecting crash dump\n"); 1602 rc = -EBUSY; 1603 goto out; 1604 } 1605 1606 mutex_lock(&wil->vif_mutex); 1607 wil_abort_scan_all_vifs(wil, false); 1608 mutex_unlock(&wil->vif_mutex); 1609 1610 for (i = 0; i < wil->max_vifs; i++) { 1611 vif = wil->vifs[i]; 1612 if (vif) { 1613 cancel_work_sync(&vif->disconnect_worker); 1614 wil6210_disconnect(vif, NULL, 1615 WLAN_REASON_DEAUTH_LEAVING); 1616 } 1617 } 1618 wil_bcast_fini_all(wil); 1619 1620 /* Disable device led before reset*/ 1621 wmi_led_cfg(wil, false); 1622 1623 /* prevent NAPI from being scheduled and prevent wmi commands */ 1624 mutex_lock(&wil->wmi_mutex); 1625 if (test_bit(wil_status_suspending, wil->status)) 1626 status_flags |= BIT(wil_status_suspending); 1627 bitmap_and(wil->status, wil->status, &status_flags, 1628 wil_status_last); 1629 wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status); 1630 mutex_unlock(&wil->wmi_mutex); 1631 1632 wil_mask_irq(wil); 1633 1634 wmi_event_flush(wil); 1635 1636 flush_workqueue(wil->wq_service); 1637 flush_workqueue(wil->wmi_wq); 1638 1639 no_flash = test_bit(hw_capa_no_flash, wil->hw_capa); 1640 if (!no_flash) 1641 wil_bl_crash_info(wil, false); 1642 wil_disable_irq(wil); 1643 rc = wil_target_reset(wil, no_flash); 1644 wil6210_clear_irq(wil); 1645 wil_enable_irq(wil); 1646 wil->txrx_ops.rx_fini(wil); 1647 wil->txrx_ops.tx_fini(wil); 1648 if (rc) { 1649 if (!no_flash) 1650 wil_bl_crash_info(wil, true); 1651 goto out; 1652 } 1653 1654 if (no_flash) { 1655 rc = wil_get_otp_info(wil); 1656 } else { 1657 rc = wil_get_bl_info(wil); 1658 if (rc == -EAGAIN && !load_fw) 1659 /* ignore RF error if not going up */ 1660 rc = 0; 1661 } 1662 if (rc) 1663 goto out; 1664 1665 wil_set_oob_mode(wil, oob_mode); 1666 if (load_fw) { 1667 char board_file[WIL_BOARD_FILE_MAX_NAMELEN]; 1668 1669 if (wil->secured_boot) { 1670 wil_err(wil, "secured boot is not supported\n"); 1671 return -ENOTSUPP; 1672 } 1673 1674 board_file[0] = '\0'; 1675 wil_get_board_file(wil, board_file, sizeof(board_file)); 1676 wil_info(wil, "Use firmware <%s> + board <%s>\n", 1677 wil->wil_fw_name, board_file); 1678 1679 if (!no_flash) 1680 wil_bl_prepare_halt(wil); 1681 1682 wil_halt_cpu(wil); 1683 memset(wil->fw_version, 0, sizeof(wil->fw_version)); 1684 /* Loading f/w from the file */ 1685 rc = wil_request_firmware(wil, wil->wil_fw_name, true); 1686 if (rc) 1687 goto out; 1688 if (wil->brd_file_addr) 1689 rc = wil_request_board(wil, board_file); 1690 else 1691 rc = wil_request_firmware(wil, board_file, true); 1692 if (rc) 1693 goto out; 1694 1695 wil_pre_fw_config(wil); 1696 wil_release_cpu(wil); 1697 } 1698 1699 /* init after reset */ 1700 reinit_completion(&wil->wmi_ready); 1701 reinit_completion(&wil->wmi_call); 1702 reinit_completion(&wil->halp.comp); 1703 1704 clear_bit(wil_status_resetting, wil->status); 1705 1706 if (load_fw) { 1707 wil_unmask_irq(wil); 1708 1709 /* we just started MAC, wait for FW ready */ 1710 rc = wil_wait_for_fw_ready(wil); 1711 if (rc) 1712 return rc; 1713 1714 /* check FW is responsive */ 1715 rc = wmi_echo(wil); 1716 if (rc) { 1717 wil_err(wil, "wmi_echo failed, rc %d\n", rc); 1718 return rc; 1719 } 1720 1721 wil->txrx_ops.configure_interrupt_moderation(wil); 1722 1723 /* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx 1724 * while there is back-pressure from Host during RX 1725 */ 1726 if (wil->hw_version >= HW_VER_TALYN_MB) 1727 wil_s(wil, RGF_DMA_MISC_CTL, 1728 BIT_OFUL34_RDY_VALID_BUG_FIX_EN); 1729 1730 rc = wil_restore_vifs(wil); 1731 if (rc) { 1732 wil_err(wil, "failed to restore vifs, rc %d\n", rc); 1733 return rc; 1734 } 1735 1736 wil_collect_fw_info(wil); 1737 1738 if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT) 1739 wil_ps_update(wil, wil->ps_profile); 1740 1741 if (wil->platform_ops.notify) { 1742 rc = wil->platform_ops.notify(wil->platform_handle, 1743 WIL_PLATFORM_EVT_FW_RDY); 1744 if (rc) { 1745 wil_err(wil, "FW_RDY notify failed, rc %d\n", 1746 rc); 1747 rc = 0; 1748 } 1749 } 1750 } 1751 1752 return rc; 1753 1754 out: 1755 clear_bit(wil_status_resetting, wil->status); 1756 return rc; 1757 } 1758 1759 void wil_fw_error_recovery(struct wil6210_priv *wil) 1760 { 1761 wil_dbg_misc(wil, "starting fw error recovery\n"); 1762 1763 if (test_bit(wil_status_resetting, wil->status)) { 1764 wil_info(wil, "Reset already in progress\n"); 1765 return; 1766 } 1767 1768 wil->recovery_state = fw_recovery_pending; 1769 schedule_work(&wil->fw_error_worker); 1770 } 1771 1772 int __wil_up(struct wil6210_priv *wil) 1773 { 1774 struct net_device *ndev = wil->main_ndev; 1775 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1776 int rc; 1777 1778 WARN_ON(!mutex_is_locked(&wil->mutex)); 1779 1780 rc = wil_reset(wil, true); 1781 if (rc) 1782 return rc; 1783 1784 /* Rx RING. After MAC and beacon */ 1785 if (rx_ring_order == 0) 1786 rx_ring_order = wil->hw_version < HW_VER_TALYN_MB ? 1787 WIL_RX_RING_SIZE_ORDER_DEFAULT : 1788 WIL_RX_RING_SIZE_ORDER_TALYN_DEFAULT; 1789 1790 rc = wil->txrx_ops.rx_init(wil, rx_ring_order); 1791 if (rc) 1792 return rc; 1793 1794 rc = wil->txrx_ops.tx_init(wil); 1795 if (rc) 1796 return rc; 1797 1798 switch (wdev->iftype) { 1799 case NL80211_IFTYPE_STATION: 1800 wil_dbg_misc(wil, "type: STATION\n"); 1801 ndev->type = ARPHRD_ETHER; 1802 break; 1803 case NL80211_IFTYPE_AP: 1804 wil_dbg_misc(wil, "type: AP\n"); 1805 ndev->type = ARPHRD_ETHER; 1806 break; 1807 case NL80211_IFTYPE_P2P_CLIENT: 1808 wil_dbg_misc(wil, "type: P2P_CLIENT\n"); 1809 ndev->type = ARPHRD_ETHER; 1810 break; 1811 case NL80211_IFTYPE_P2P_GO: 1812 wil_dbg_misc(wil, "type: P2P_GO\n"); 1813 ndev->type = ARPHRD_ETHER; 1814 break; 1815 case NL80211_IFTYPE_MONITOR: 1816 wil_dbg_misc(wil, "type: Monitor\n"); 1817 ndev->type = ARPHRD_IEEE80211_RADIOTAP; 1818 /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ 1819 break; 1820 default: 1821 return -EOPNOTSUPP; 1822 } 1823 1824 /* MAC address - pre-requisite for other commands */ 1825 wmi_set_mac_address(wil, ndev->dev_addr); 1826 1827 wil_dbg_misc(wil, "NAPI enable\n"); 1828 napi_enable(&wil->napi_rx); 1829 napi_enable(&wil->napi_tx); 1830 set_bit(wil_status_napi_en, wil->status); 1831 1832 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1833 1834 return 0; 1835 } 1836 1837 int wil_up(struct wil6210_priv *wil) 1838 { 1839 int rc; 1840 1841 wil_dbg_misc(wil, "up\n"); 1842 1843 mutex_lock(&wil->mutex); 1844 rc = __wil_up(wil); 1845 mutex_unlock(&wil->mutex); 1846 1847 return rc; 1848 } 1849 1850 int __wil_down(struct wil6210_priv *wil) 1851 { 1852 WARN_ON(!mutex_is_locked(&wil->mutex)); 1853 1854 set_bit(wil_status_resetting, wil->status); 1855 1856 wil6210_bus_request(wil, 0); 1857 1858 wil_disable_irq(wil); 1859 if (test_and_clear_bit(wil_status_napi_en, wil->status)) { 1860 napi_disable(&wil->napi_rx); 1861 napi_disable(&wil->napi_tx); 1862 wil_dbg_misc(wil, "NAPI disable\n"); 1863 } 1864 wil_enable_irq(wil); 1865 1866 mutex_lock(&wil->vif_mutex); 1867 wil_p2p_stop_radio_operations(wil); 1868 wil_abort_scan_all_vifs(wil, false); 1869 mutex_unlock(&wil->vif_mutex); 1870 1871 return wil_reset(wil, false); 1872 } 1873 1874 int wil_down(struct wil6210_priv *wil) 1875 { 1876 int rc; 1877 1878 wil_dbg_misc(wil, "down\n"); 1879 1880 wil_set_recovery_state(wil, fw_recovery_idle); 1881 mutex_lock(&wil->mutex); 1882 rc = __wil_down(wil); 1883 mutex_unlock(&wil->mutex); 1884 1885 return rc; 1886 } 1887 1888 int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac) 1889 { 1890 int i; 1891 int rc = -ENOENT; 1892 1893 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 1894 if (wil->sta[i].mid == mid && 1895 wil->sta[i].status != wil_sta_unused && 1896 ether_addr_equal(wil->sta[i].addr, mac)) { 1897 rc = i; 1898 break; 1899 } 1900 } 1901 1902 return rc; 1903 } 1904 1905 void wil_halp_vote(struct wil6210_priv *wil) 1906 { 1907 unsigned long rc; 1908 unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); 1909 1910 mutex_lock(&wil->halp.lock); 1911 1912 wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n", 1913 wil->halp.ref_cnt); 1914 1915 if (++wil->halp.ref_cnt == 1) { 1916 reinit_completion(&wil->halp.comp); 1917 wil6210_set_halp(wil); 1918 rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); 1919 if (!rc) { 1920 wil_err(wil, "HALP vote timed out\n"); 1921 /* Mask HALP as done in case the interrupt is raised */ 1922 wil6210_mask_halp(wil); 1923 } else { 1924 wil_dbg_irq(wil, 1925 "halp_vote: HALP vote completed after %d ms\n", 1926 jiffies_to_msecs(to_jiffies - rc)); 1927 } 1928 } 1929 1930 wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n", 1931 wil->halp.ref_cnt); 1932 1933 mutex_unlock(&wil->halp.lock); 1934 } 1935 1936 void wil_halp_unvote(struct wil6210_priv *wil) 1937 { 1938 WARN_ON(wil->halp.ref_cnt == 0); 1939 1940 mutex_lock(&wil->halp.lock); 1941 1942 wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n", 1943 wil->halp.ref_cnt); 1944 1945 if (--wil->halp.ref_cnt == 0) { 1946 wil6210_clear_halp(wil); 1947 wil_dbg_irq(wil, "HALP unvote\n"); 1948 } 1949 1950 wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n", 1951 wil->halp.ref_cnt); 1952 1953 mutex_unlock(&wil->halp.lock); 1954 } 1955 1956 void wil_init_txrx_ops(struct wil6210_priv *wil) 1957 { 1958 if (wil->use_enhanced_dma_hw) 1959 wil_init_txrx_ops_edma(wil); 1960 else 1961 wil_init_txrx_ops_legacy_dma(wil); 1962 } 1963