2 * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/moduleparam.h>
18 #include <linux/if_arp.h>
19 #include <linux/etherdevice.h>
25 #define WAIT_FOR_DISCONNECT_TIMEOUT_MS 2000
26 #define WAIT_FOR_DISCONNECT_INTERVAL_MS 10
29 module_param(no_fw_recovery, bool, S_IRUGO | S_IWUSR);
30 MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery");
32 /* if not set via modparam, will be set to default value of 1/8 of
33 * rx ring size during init flow
35 unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT;
36 module_param(rx_ring_overflow_thrsh, ushort, S_IRUGO);
37 MODULE_PARM_DESC(rx_ring_overflow_thrsh,
38 " RX ring overflow threshold in descriptors.");
40 /* We allow allocation of more than 1 page buffers to support large packets.
41 * It is suboptimal behavior performance wise in case MTU above page size.
43 unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD;
44 static int mtu_max_set(const char *val, const struct kernel_param *kp)
48 /* sets mtu_max directly. no need to restore it in case of
49 * illegal value since we assume this will fail insmod
51 ret = param_set_uint(val, kp);
55 if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU)
61 static struct kernel_param_ops mtu_max_ops = {
63 .get = param_get_uint,
66 module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, S_IRUGO);
67 MODULE_PARM_DESC(mtu_max, " Max MTU value.");
69 static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT;
70 static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT;
71 static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT;
73 static int ring_order_set(const char *val, const struct kernel_param *kp)
78 ret = kstrtouint(val, 0, &x);
82 if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX))
85 *((uint *)kp->arg) = x;
90 static struct kernel_param_ops ring_order_ops = {
91 .set = ring_order_set,
92 .get = param_get_uint,
95 module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, S_IRUGO);
96 MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order");
97 module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, S_IRUGO);
98 MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order");
100 #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */
101 #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */
104 * Due to a hardware issue,
105 * one has to read/write to/from NIC in 32-bit chunks;
106 * regular memcpy_fromio and siblings will
107 * not work on 64-bit platform - it uses 64-bit transactions
109 * Force 32-bit transactions to enable NIC on 64-bit platforms
111 * To avoid byte swap on big endian host, __raw_{read|write}l
112 * should be used - {read|write}l would swap bytes to provide
113 * little endian on PCI value in host endianness.
115 void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
119 const volatile u32 __iomem *s = src;
121 /* size_t is unsigned, if (count%4 != 0) it will wrap */
122 for (count += 4; count > 4; count -= 4)
123 *d++ = __raw_readl(s++);
126 void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
129 volatile u32 __iomem *d = dst;
132 for (count += 4; count > 4; count -= 4)
133 __raw_writel(*s++, d++);
136 static void wil_disconnect_cid(struct wil6210_priv *wil, int cid,
137 u16 reason_code, bool from_event)
138 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
141 struct net_device *ndev = wil_to_ndev(wil);
142 struct wireless_dev *wdev = wil->wdev;
143 struct wil_sta_info *sta = &wil->sta[cid];
146 wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid,
149 sta->data_port_open = false;
150 if (sta->status != wil_sta_unused) {
152 wmi_disconnect_sta(wil, sta->addr, reason_code);
154 switch (wdev->iftype) {
155 case NL80211_IFTYPE_AP:
156 case NL80211_IFTYPE_P2P_GO:
157 /* AP-like interface */
158 cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL);
163 sta->status = wil_sta_unused;
166 for (i = 0; i < WIL_STA_TID_NUM; i++) {
167 struct wil_tid_ampdu_rx *r;
169 spin_lock_bh(&sta->tid_rx_lock);
172 sta->tid_rx[i] = NULL;
173 wil_tid_ampdu_rx_free(wil, r);
175 spin_unlock_bh(&sta->tid_rx_lock);
177 for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
178 if (wil->vring2cid_tid[i][0] == cid)
179 wil_vring_fini_tx(wil, i);
181 memset(&sta->stats, 0, sizeof(sta->stats));
184 static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
185 u16 reason_code, bool from_event)
188 struct net_device *ndev = wil_to_ndev(wil);
189 struct wireless_dev *wdev = wil->wdev;
192 wil_dbg_misc(wil, "%s(bssid=%pM, reason=%d, ev%s)\n", __func__, bssid,
193 reason_code, from_event ? "+" : "-");
196 * - disconnect single STA, still connected
197 * - disconnect single STA, already disconnected
200 * For "disconnect all", there are 2 options:
202 * - bssid is our MAC address
204 if (bssid && memcmp(ndev->dev_addr, bssid, ETH_ALEN)) {
205 cid = wil_find_cid(wil, bssid);
206 wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n",
207 bssid, cid, reason_code);
208 if (cid >= 0) /* disconnect 1 peer */
209 wil_disconnect_cid(wil, cid, reason_code, from_event);
211 wil_dbg_misc(wil, "Disconnect all\n");
212 for (cid = 0; cid < WIL6210_MAX_CID; cid++)
213 wil_disconnect_cid(wil, cid, reason_code, from_event);
217 switch (wdev->iftype) {
218 case NL80211_IFTYPE_STATION:
219 case NL80211_IFTYPE_P2P_CLIENT:
221 netif_tx_stop_all_queues(ndev);
222 netif_carrier_off(ndev);
224 if (test_bit(wil_status_fwconnected, wil->status)) {
225 clear_bit(wil_status_fwconnected, wil->status);
226 cfg80211_disconnected(ndev, reason_code,
227 NULL, 0, GFP_KERNEL);
228 } else if (test_bit(wil_status_fwconnecting, wil->status)) {
229 cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
230 WLAN_STATUS_UNSPECIFIED_FAILURE,
233 clear_bit(wil_status_fwconnecting, wil->status);
240 static void wil_disconnect_worker(struct work_struct *work)
242 struct wil6210_priv *wil = container_of(work,
243 struct wil6210_priv, disconnect_worker);
245 mutex_lock(&wil->mutex);
246 _wil6210_disconnect(wil, NULL, WLAN_REASON_UNSPECIFIED, false);
247 mutex_unlock(&wil->mutex);
250 static void wil_connect_timer_fn(ulong x)
252 struct wil6210_priv *wil = (void *)x;
254 wil_dbg_misc(wil, "Connect timeout\n");
256 /* reschedule to thread context - disconnect won't
257 * run from atomic context
259 schedule_work(&wil->disconnect_worker);
262 static void wil_scan_timer_fn(ulong x)
264 struct wil6210_priv *wil = (void *)x;
266 clear_bit(wil_status_fwready, wil->status);
267 wil_err(wil, "Scan timeout detected, start fw error recovery\n");
268 wil->recovery_state = fw_recovery_pending;
269 schedule_work(&wil->fw_error_worker);
272 static int wil_wait_for_recovery(struct wil6210_priv *wil)
274 if (wait_event_interruptible(wil->wq, wil->recovery_state !=
275 fw_recovery_pending)) {
276 wil_err(wil, "Interrupt, canceling recovery\n");
279 if (wil->recovery_state != fw_recovery_running) {
280 wil_info(wil, "Recovery cancelled\n");
283 wil_info(wil, "Proceed with recovery\n");
287 void wil_set_recovery_state(struct wil6210_priv *wil, int state)
289 wil_dbg_misc(wil, "%s(%d -> %d)\n", __func__,
290 wil->recovery_state, state);
292 wil->recovery_state = state;
293 wake_up_interruptible(&wil->wq);
296 static void wil_fw_error_worker(struct work_struct *work)
298 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
300 struct wireless_dev *wdev = wil->wdev;
302 wil_dbg_misc(wil, "fw error worker\n");
304 if (!netif_running(wil_to_ndev(wil))) {
305 wil_info(wil, "No recovery - interface is down\n");
309 /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO
310 * passed since last recovery attempt
312 if (time_is_after_jiffies(wil->last_fw_recovery +
313 WIL6210_FW_RECOVERY_TO))
314 wil->recovery_count++;
316 wil->recovery_count = 1; /* fw was alive for a long time */
318 if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) {
319 wil_err(wil, "too many recovery attempts (%d), giving up\n",
320 wil->recovery_count);
324 wil->last_fw_recovery = jiffies;
326 mutex_lock(&wil->mutex);
327 switch (wdev->iftype) {
328 case NL80211_IFTYPE_STATION:
329 case NL80211_IFTYPE_P2P_CLIENT:
330 case NL80211_IFTYPE_MONITOR:
331 wil_info(wil, "fw error recovery requested (try %d)...\n",
332 wil->recovery_count);
334 wil->recovery_state = fw_recovery_running;
335 if (0 != wil_wait_for_recovery(wil))
341 case NL80211_IFTYPE_AP:
342 case NL80211_IFTYPE_P2P_GO:
343 wil_info(wil, "No recovery for AP-like interface\n");
344 /* recovery in these modes is done by upper layers */
347 wil_err(wil, "No recovery - unknown interface type %d\n",
351 mutex_unlock(&wil->mutex);
354 static int wil_find_free_vring(struct wil6210_priv *wil)
358 for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
359 if (!wil->vring_tx[i].va)
365 int wil_bcast_init(struct wil6210_priv *wil)
367 int ri = wil->bcast_vring, rc;
369 if ((ri >= 0) && wil->vring_tx[ri].va)
372 ri = wil_find_free_vring(wil);
376 rc = wil_vring_init_bcast(wil, ri, 1 << bcast_ring_order);
378 wil->bcast_vring = ri;
383 void wil_bcast_fini(struct wil6210_priv *wil)
385 int ri = wil->bcast_vring;
390 wil->bcast_vring = -1;
391 wil_vring_fini_tx(wil, ri);
394 static void wil_connect_worker(struct work_struct *work)
397 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
399 struct net_device *ndev = wil_to_ndev(wil);
401 int cid = wil->pending_connect_cid;
402 int ringid = wil_find_free_vring(wil);
405 wil_err(wil, "No connection pending\n");
409 wil_dbg_wmi(wil, "Configure for connection CID %d\n", cid);
411 rc = wil_vring_init_tx(wil, ringid, 1 << tx_ring_order, cid, 0);
412 wil->pending_connect_cid = -1;
414 wil->sta[cid].status = wil_sta_connected;
415 netif_tx_wake_all_queues(ndev);
417 wil->sta[cid].status = wil_sta_unused;
421 int wil_priv_init(struct wil6210_priv *wil)
425 wil_dbg_misc(wil, "%s()\n", __func__);
427 memset(wil->sta, 0, sizeof(wil->sta));
428 for (i = 0; i < WIL6210_MAX_CID; i++)
429 spin_lock_init(&wil->sta[i].tid_rx_lock);
431 mutex_init(&wil->mutex);
432 mutex_init(&wil->wmi_mutex);
433 mutex_init(&wil->back_rx_mutex);
434 mutex_init(&wil->back_tx_mutex);
435 mutex_init(&wil->probe_client_mutex);
437 init_completion(&wil->wmi_ready);
438 init_completion(&wil->wmi_call);
440 wil->pending_connect_cid = -1;
441 wil->bcast_vring = -1;
442 setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil);
443 setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil);
445 INIT_WORK(&wil->connect_worker, wil_connect_worker);
446 INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker);
447 INIT_WORK(&wil->wmi_event_worker, wmi_event_worker);
448 INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker);
449 INIT_WORK(&wil->back_rx_worker, wil_back_rx_worker);
450 INIT_WORK(&wil->back_tx_worker, wil_back_tx_worker);
451 INIT_WORK(&wil->probe_client_worker, wil_probe_client_worker);
453 INIT_LIST_HEAD(&wil->pending_wmi_ev);
454 INIT_LIST_HEAD(&wil->back_rx_pending);
455 INIT_LIST_HEAD(&wil->back_tx_pending);
456 INIT_LIST_HEAD(&wil->probe_client_pending);
457 spin_lock_init(&wil->wmi_ev_lock);
458 init_waitqueue_head(&wil->wq);
460 wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi");
464 wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service");
465 if (!wil->wq_service)
468 wil->last_fw_recovery = jiffies;
469 wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT;
470 wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT;
471 wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT;
472 wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT;
474 if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT)
475 rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT;
479 destroy_workqueue(wil->wmi_wq);
485 * wil6210_disconnect - disconnect one connection
486 * @wil: driver context
487 * @bssid: peer to disconnect, NULL to disconnect all
488 * @reason_code: Reason code for the Disassociation frame
489 * @from_event: whether is invoked from FW event handler
491 * Disconnect and release associated resources. If invoked not from the
492 * FW event handler, issue WMI command(s) to trigger MAC disconnect.
494 void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
495 u16 reason_code, bool from_event)
497 wil_dbg_misc(wil, "%s()\n", __func__);
499 del_timer_sync(&wil->connect_timer);
500 _wil6210_disconnect(wil, bssid, reason_code, from_event);
503 void wil_priv_deinit(struct wil6210_priv *wil)
505 wil_dbg_misc(wil, "%s()\n", __func__);
507 wil_set_recovery_state(wil, fw_recovery_idle);
508 del_timer_sync(&wil->scan_timer);
509 cancel_work_sync(&wil->disconnect_worker);
510 cancel_work_sync(&wil->fw_error_worker);
511 mutex_lock(&wil->mutex);
512 wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false);
513 mutex_unlock(&wil->mutex);
514 wmi_event_flush(wil);
515 wil_back_rx_flush(wil);
516 cancel_work_sync(&wil->back_rx_worker);
517 wil_back_tx_flush(wil);
518 cancel_work_sync(&wil->back_tx_worker);
519 wil_probe_client_flush(wil);
520 cancel_work_sync(&wil->probe_client_worker);
521 destroy_workqueue(wil->wq_service);
522 destroy_workqueue(wil->wmi_wq);
525 /* target operations */
527 #define R(a) ioread32(wil->csr + HOSTADDR(a))
528 /* register write. wmb() to make sure it is completed */
529 #define W(a, v) do { iowrite32(v, wil->csr + HOSTADDR(a)); wmb(); } while (0)
530 /* register set = read, OR, write */
531 #define S(a, v) W(a, R(a) | v)
532 /* register clear = read, AND with inverted, write */
533 #define C(a, v) W(a, R(a) & ~v)
535 static inline void wil_halt_cpu(struct wil6210_priv *wil)
537 W(RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST);
538 W(RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST);
541 static inline void wil_release_cpu(struct wil6210_priv *wil)
544 W(RGF_USER_USER_CPU_0, 1);
547 static int wil_target_reset(struct wil6210_priv *wil)
552 wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);
554 /* Clear MAC link up */
555 S(RGF_HP_CTRL, BIT(15));
556 S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD);
557 S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
561 /* clear all boot loader "ready" bits */
562 W(RGF_USER_BL + offsetof(struct RGF_BL, ready), 0);
563 /* Clear Fw Download notification */
564 C(RGF_USER_USAGE_6, BIT(0));
566 S(RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
567 /* XTAL stabilization should take about 3ms */
568 usleep_range(5000, 7000);
569 x = R(RGF_CAF_PLL_LOCK_STATUS);
570 if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) {
571 wil_err(wil, "Xtal stabilization timeout\n"
572 "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x);
575 /* switch 10k to XTAL*/
576 C(RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
578 C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);
580 W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
581 W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);
583 W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000);
584 W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F);
585 W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0);
586 W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00);
588 W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
589 W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0);
591 W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
592 W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
593 W(RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
594 W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
596 W(RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
597 W(RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); /* reset A2 PCIE AHB */
599 W(RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
601 /* wait until device ready. typical time is 20..80 msec */
604 x = R(RGF_USER_BL + offsetof(struct RGF_BL, ready));
605 if (delay++ > RST_COUNT) {
606 wil_err(wil, "Reset not completed, bl.ready 0x%08x\n",
610 } while (!(x & BIT_BL_READY));
612 C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
614 /* enable fix for HW bug related to the SA/DA swap in AP Rx */
615 S(RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN |
616 BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC);
618 wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY);
622 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
624 le32_to_cpus(&r->base);
625 le16_to_cpus(&r->entry_size);
626 le16_to_cpus(&r->size);
627 le32_to_cpus(&r->tail);
628 le32_to_cpus(&r->head);
631 static int wil_get_bl_info(struct wil6210_priv *wil)
633 struct net_device *ndev = wil_to_ndev(wil);
636 wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), sizeof(bl));
637 le32_to_cpus(&bl.ready);
638 le32_to_cpus(&bl.version);
639 le32_to_cpus(&bl.rf_type);
640 le32_to_cpus(&bl.baseband_type);
642 if (!is_valid_ether_addr(bl.mac_address)) {
643 wil_err(wil, "BL: Invalid MAC %pM\n", bl.mac_address);
647 ether_addr_copy(ndev->perm_addr, bl.mac_address);
648 if (!is_valid_ether_addr(ndev->dev_addr))
649 ether_addr_copy(ndev->dev_addr, bl.mac_address);
651 "Boot Loader: ver = %d MAC = %pM RF = 0x%08x bband = 0x%08x\n",
652 bl.version, bl.mac_address, bl.rf_type, bl.baseband_type);
657 static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
659 ulong to = msecs_to_jiffies(1000);
660 ulong left = wait_for_completion_timeout(&wil->wmi_ready, to);
663 wil_err(wil, "Firmware not ready\n");
666 wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n",
667 jiffies_to_msecs(to-left), wil->hw_version);
673 * We reset all the structures, and we reset the UMAC.
674 * After calling this routine, you're expected to reload
677 int wil_reset(struct wil6210_priv *wil, bool load_fw)
681 wil_dbg_misc(wil, "%s()\n", __func__);
683 if (wil->hw_version == HW_VER_UNKNOWN)
686 WARN_ON(!mutex_is_locked(&wil->mutex));
687 WARN_ON(test_bit(wil_status_napi_en, wil->status));
689 cancel_work_sync(&wil->disconnect_worker);
690 wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false);
693 /* prevent NAPI from being scheduled */
694 bitmap_zero(wil->status, wil_status_last);
696 if (wil->scan_request) {
697 wil_dbg_misc(wil, "Abort scan_request 0x%p\n",
699 del_timer_sync(&wil->scan_timer);
700 cfg80211_scan_done(wil->scan_request, true);
701 wil->scan_request = NULL;
706 wmi_event_flush(wil);
708 flush_workqueue(wil->wq_service);
709 flush_workqueue(wil->wmi_wq);
711 rc = wil_target_reset(wil);
716 rc = wil_get_bl_info(wil);
721 wil_info(wil, "Use firmware <%s> + board <%s>\n", WIL_FW_NAME,
725 /* Loading f/w from the file */
726 rc = wil_request_firmware(wil, WIL_FW_NAME);
729 rc = wil_request_firmware(wil, WIL_FW2_NAME);
733 /* Mark FW as loaded from host */
734 S(RGF_USER_USAGE_6, 1);
736 /* clear any interrupts which on-card-firmware
739 wil6210_clear_irq(wil);
740 /* CAF_ICR - clear and mask */
741 /* it is W1C, clear by writing back same value */
742 S(RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
743 W(RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
745 wil_release_cpu(wil);
748 /* init after reset */
749 wil->pending_connect_cid = -1;
751 reinit_completion(&wil->wmi_ready);
752 reinit_completion(&wil->wmi_call);
755 wil_configure_interrupt_moderation(wil);
758 /* we just started MAC, wait for FW ready */
759 rc = wil_wait_for_fw_ready(wil);
760 if (rc == 0) /* check FW is responsive */
772 void wil_fw_error_recovery(struct wil6210_priv *wil)
774 wil_dbg_misc(wil, "starting fw error recovery\n");
775 wil->recovery_state = fw_recovery_pending;
776 schedule_work(&wil->fw_error_worker);
779 int __wil_up(struct wil6210_priv *wil)
781 struct net_device *ndev = wil_to_ndev(wil);
782 struct wireless_dev *wdev = wil->wdev;
785 WARN_ON(!mutex_is_locked(&wil->mutex));
787 rc = wil_reset(wil, true);
791 /* Rx VRING. After MAC and beacon */
792 rc = wil_rx_init(wil, 1 << rx_ring_order);
796 switch (wdev->iftype) {
797 case NL80211_IFTYPE_STATION:
798 wil_dbg_misc(wil, "type: STATION\n");
799 ndev->type = ARPHRD_ETHER;
801 case NL80211_IFTYPE_AP:
802 wil_dbg_misc(wil, "type: AP\n");
803 ndev->type = ARPHRD_ETHER;
805 case NL80211_IFTYPE_P2P_CLIENT:
806 wil_dbg_misc(wil, "type: P2P_CLIENT\n");
807 ndev->type = ARPHRD_ETHER;
809 case NL80211_IFTYPE_P2P_GO:
810 wil_dbg_misc(wil, "type: P2P_GO\n");
811 ndev->type = ARPHRD_ETHER;
813 case NL80211_IFTYPE_MONITOR:
814 wil_dbg_misc(wil, "type: Monitor\n");
815 ndev->type = ARPHRD_IEEE80211_RADIOTAP;
816 /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */
822 /* MAC address - pre-requisite for other commands */
823 wmi_set_mac_address(wil, ndev->dev_addr);
825 wil_dbg_misc(wil, "NAPI enable\n");
826 napi_enable(&wil->napi_rx);
827 napi_enable(&wil->napi_tx);
828 set_bit(wil_status_napi_en, wil->status);
830 if (wil->platform_ops.bus_request)
831 wil->platform_ops.bus_request(wil->platform_handle,
832 WIL_MAX_BUS_REQUEST_KBPS);
837 int wil_up(struct wil6210_priv *wil)
841 wil_dbg_misc(wil, "%s()\n", __func__);
843 mutex_lock(&wil->mutex);
845 mutex_unlock(&wil->mutex);
850 int __wil_down(struct wil6210_priv *wil)
852 int iter = WAIT_FOR_DISCONNECT_TIMEOUT_MS /
853 WAIT_FOR_DISCONNECT_INTERVAL_MS;
855 WARN_ON(!mutex_is_locked(&wil->mutex));
857 if (wil->platform_ops.bus_request)
858 wil->platform_ops.bus_request(wil->platform_handle, 0);
860 wil_disable_irq(wil);
861 if (test_and_clear_bit(wil_status_napi_en, wil->status)) {
862 napi_disable(&wil->napi_rx);
863 napi_disable(&wil->napi_tx);
864 wil_dbg_misc(wil, "NAPI disable\n");
868 if (wil->scan_request) {
869 wil_dbg_misc(wil, "Abort scan_request 0x%p\n",
871 del_timer_sync(&wil->scan_timer);
872 cfg80211_scan_done(wil->scan_request, true);
873 wil->scan_request = NULL;
876 if (test_bit(wil_status_fwconnected, wil->status) ||
877 test_bit(wil_status_fwconnecting, wil->status))
878 wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
880 /* make sure wil is idle (not connected) */
881 mutex_unlock(&wil->mutex);
883 int idle = !test_bit(wil_status_fwconnected, wil->status) &&
884 !test_bit(wil_status_fwconnecting, wil->status);
887 msleep(WAIT_FOR_DISCONNECT_INTERVAL_MS);
889 mutex_lock(&wil->mutex);
892 wil_err(wil, "timeout waiting for idle FW/HW\n");
894 wil_reset(wil, false);
899 int wil_down(struct wil6210_priv *wil)
903 wil_dbg_misc(wil, "%s()\n", __func__);
905 wil_set_recovery_state(wil, fw_recovery_idle);
906 mutex_lock(&wil->mutex);
907 rc = __wil_down(wil);
908 mutex_unlock(&wil->mutex);
913 int wil_find_cid(struct wil6210_priv *wil, const u8 *mac)
918 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
919 if ((wil->sta[i].status != wil_sta_unused) &&
920 ether_addr_equal(wil->sta[i].addr, mac)) {