12be7d22fSVladimir Kondratiev /* 20916d9f2SMaya Erez * Copyright (c) 2012-2016 Qualcomm Atheros, Inc. 32be7d22fSVladimir Kondratiev * 42be7d22fSVladimir Kondratiev * Permission to use, copy, modify, and/or distribute this software for any 52be7d22fSVladimir Kondratiev * purpose with or without fee is hereby granted, provided that the above 62be7d22fSVladimir Kondratiev * copyright notice and this permission notice appear in all copies. 72be7d22fSVladimir Kondratiev * 82be7d22fSVladimir Kondratiev * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 92be7d22fSVladimir Kondratiev * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 102be7d22fSVladimir Kondratiev * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 112be7d22fSVladimir Kondratiev * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 122be7d22fSVladimir Kondratiev * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 132be7d22fSVladimir Kondratiev * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 142be7d22fSVladimir Kondratiev * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 152be7d22fSVladimir Kondratiev */ 162be7d22fSVladimir Kondratiev 172be7d22fSVladimir Kondratiev #include <linux/moduleparam.h> 182be7d22fSVladimir Kondratiev #include <linux/if_arp.h> 19108d1eb6SVladimir Kondratiev #include <linux/etherdevice.h> 202be7d22fSVladimir Kondratiev 212be7d22fSVladimir Kondratiev #include "wil6210.h" 22b4490f42SVladimir Kondratiev #include "txrx.h" 23f172b563SDedy Lansky #include "wmi.h" 24f1ad8c93SVladimir Kondratiev #include "boot_loader.h" 25f172b563SDedy Lansky 26bfc2dc7aSVladimir Kondratiev bool debug_fw; /* = false; */ 27bfc2dc7aSVladimir Kondratiev module_param(debug_fw, bool, S_IRUGO); 28bfc2dc7aSVladimir Kondratiev MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); 29bfc2dc7aSVladimir Kondratiev 30c33407a8SVladimir Kondratiev bool no_fw_recovery; 31ed6f9dc6SVladimir Kondratiev module_param(no_fw_recovery, bool, S_IRUGO | S_IWUSR); 32c33407a8SVladimir Kondratiev MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); 33ed6f9dc6SVladimir Kondratiev 34ab954628SVladimir Kondratiev /* if not set via modparam, will be set to default value of 1/8 of 35ab954628SVladimir Kondratiev * rx ring size during init flow 36ab954628SVladimir Kondratiev */ 37ab954628SVladimir Kondratiev unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; 38ab954628SVladimir Kondratiev module_param(rx_ring_overflow_thrsh, ushort, S_IRUGO); 39ab954628SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_overflow_thrsh, 40ab954628SVladimir Kondratiev " RX ring overflow threshold in descriptors."); 41b6b1b0ecSVladimir Kondratiev 429a06bec9SVladimir Kondratiev /* We allow allocation of more than 1 page buffers to support large packets. 439a06bec9SVladimir Kondratiev * It is suboptimal behavior performance wise in case MTU above page size. 449a06bec9SVladimir Kondratiev */ 45c44690a1SVladimir Kondratiev unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; 469a06bec9SVladimir Kondratiev static int mtu_max_set(const char *val, const struct kernel_param *kp) 479a06bec9SVladimir Kondratiev { 489a06bec9SVladimir Kondratiev int ret; 499a06bec9SVladimir Kondratiev 509a06bec9SVladimir Kondratiev /* sets mtu_max directly. no need to restore it in case of 519a06bec9SVladimir Kondratiev * illegal value since we assume this will fail insmod 529a06bec9SVladimir Kondratiev */ 539a06bec9SVladimir Kondratiev ret = param_set_uint(val, kp); 549a06bec9SVladimir Kondratiev if (ret) 559a06bec9SVladimir Kondratiev return ret; 569a06bec9SVladimir Kondratiev 574590d812SVladimir Kondratiev if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) 589a06bec9SVladimir Kondratiev ret = -EINVAL; 599a06bec9SVladimir Kondratiev 609a06bec9SVladimir Kondratiev return ret; 619a06bec9SVladimir Kondratiev } 629a06bec9SVladimir Kondratiev 639c27847dSLuis R. Rodriguez static const struct kernel_param_ops mtu_max_ops = { 649a06bec9SVladimir Kondratiev .set = mtu_max_set, 659a06bec9SVladimir Kondratiev .get = param_get_uint, 669a06bec9SVladimir Kondratiev }; 679a06bec9SVladimir Kondratiev 689a06bec9SVladimir Kondratiev module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, S_IRUGO); 699a06bec9SVladimir Kondratiev MODULE_PARM_DESC(mtu_max, " Max MTU value."); 709a06bec9SVladimir Kondratiev 71d3762b40SVladimir Kondratiev static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT; 72d3762b40SVladimir Kondratiev static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; 7341d6b093SVladimir Kondratiev static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; 74d3762b40SVladimir Kondratiev 75d3762b40SVladimir Kondratiev static int ring_order_set(const char *val, const struct kernel_param *kp) 76d3762b40SVladimir Kondratiev { 77d3762b40SVladimir Kondratiev int ret; 78d3762b40SVladimir Kondratiev uint x; 79d3762b40SVladimir Kondratiev 80d3762b40SVladimir Kondratiev ret = kstrtouint(val, 0, &x); 81d3762b40SVladimir Kondratiev if (ret) 82d3762b40SVladimir Kondratiev return ret; 83d3762b40SVladimir Kondratiev 84d3762b40SVladimir Kondratiev if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) 85d3762b40SVladimir Kondratiev return -EINVAL; 86d3762b40SVladimir Kondratiev 87d3762b40SVladimir Kondratiev *((uint *)kp->arg) = x; 88d3762b40SVladimir Kondratiev 89d3762b40SVladimir Kondratiev return 0; 90d3762b40SVladimir Kondratiev } 91d3762b40SVladimir Kondratiev 929c27847dSLuis R. Rodriguez static const struct kernel_param_ops ring_order_ops = { 93d3762b40SVladimir Kondratiev .set = ring_order_set, 94d3762b40SVladimir Kondratiev .get = param_get_uint, 95d3762b40SVladimir Kondratiev }; 96d3762b40SVladimir Kondratiev 97d3762b40SVladimir Kondratiev module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, S_IRUGO); 98d3762b40SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); 99d3762b40SVladimir Kondratiev module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, S_IRUGO); 100d3762b40SVladimir Kondratiev MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); 101d507d1b7SVladimir Kondratiev module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, S_IRUGO); 102d507d1b7SVladimir Kondratiev MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); 103d3762b40SVladimir Kondratiev 104520d68e7SVladimir Kondratiev #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ 105520d68e7SVladimir Kondratiev #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ 106520d68e7SVladimir Kondratiev 1072be7d22fSVladimir Kondratiev /* 1082be7d22fSVladimir Kondratiev * Due to a hardware issue, 1092be7d22fSVladimir Kondratiev * one has to read/write to/from NIC in 32-bit chunks; 1102be7d22fSVladimir Kondratiev * regular memcpy_fromio and siblings will 1112be7d22fSVladimir Kondratiev * not work on 64-bit platform - it uses 64-bit transactions 1122be7d22fSVladimir Kondratiev * 1132be7d22fSVladimir Kondratiev * Force 32-bit transactions to enable NIC on 64-bit platforms 1142be7d22fSVladimir Kondratiev * 1152be7d22fSVladimir Kondratiev * To avoid byte swap on big endian host, __raw_{read|write}l 1162be7d22fSVladimir Kondratiev * should be used - {read|write}l would swap bytes to provide 1172be7d22fSVladimir Kondratiev * little endian on PCI value in host endianness. 1182be7d22fSVladimir Kondratiev */ 1192be7d22fSVladimir Kondratiev void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, 1202be7d22fSVladimir Kondratiev size_t count) 1212be7d22fSVladimir Kondratiev { 1222be7d22fSVladimir Kondratiev u32 *d = dst; 1232be7d22fSVladimir Kondratiev const volatile u32 __iomem *s = src; 1242be7d22fSVladimir Kondratiev 1252be7d22fSVladimir Kondratiev /* size_t is unsigned, if (count%4 != 0) it will wrap */ 1262be7d22fSVladimir Kondratiev for (count += 4; count > 4; count -= 4) 1272be7d22fSVladimir Kondratiev *d++ = __raw_readl(s++); 1282be7d22fSVladimir Kondratiev } 1292be7d22fSVladimir Kondratiev 1302be7d22fSVladimir Kondratiev void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, 1312be7d22fSVladimir Kondratiev size_t count) 1322be7d22fSVladimir Kondratiev { 1332be7d22fSVladimir Kondratiev volatile u32 __iomem *d = dst; 1342be7d22fSVladimir Kondratiev const u32 *s = src; 1352be7d22fSVladimir Kondratiev 1362be7d22fSVladimir Kondratiev for (count += 4; count > 4; count -= 4) 1372be7d22fSVladimir Kondratiev __raw_writel(*s++, d++); 1382be7d22fSVladimir Kondratiev } 1392be7d22fSVladimir Kondratiev 140b516fcc5SVladimir Kondratiev static void wil_disconnect_cid(struct wil6210_priv *wil, int cid, 1414821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 142bd33273bSVladimir Kondratiev __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 1432be7d22fSVladimir Kondratiev { 14491886b0bSVladimir Kondratiev uint i; 145fc58f681SVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 146fc58f681SVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 147b4490f42SVladimir Kondratiev struct wil_sta_info *sta = &wil->sta[cid]; 1488fe59627SVladimir Kondratiev 149bd33273bSVladimir Kondratiev might_sleep(); 150fc58f681SVladimir Kondratiev wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid, 151fc58f681SVladimir Kondratiev sta->status); 15258527421SVladimir Kondratiev /* inform upper/lower layers */ 1534d55a0a1SVladimir Kondratiev if (sta->status != wil_sta_unused) { 154b516fcc5SVladimir Kondratiev if (!from_event) 1550916d9f2SMaya Erez wmi_disconnect_sta(wil, sta->addr, reason_code, true); 156b516fcc5SVladimir Kondratiev 157fc58f681SVladimir Kondratiev switch (wdev->iftype) { 158fc58f681SVladimir Kondratiev case NL80211_IFTYPE_AP: 159fc58f681SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 160fc58f681SVladimir Kondratiev /* AP-like interface */ 161fc58f681SVladimir Kondratiev cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); 162fc58f681SVladimir Kondratiev break; 163fc58f681SVladimir Kondratiev default: 164fc58f681SVladimir Kondratiev break; 165fc58f681SVladimir Kondratiev } 1664d55a0a1SVladimir Kondratiev sta->status = wil_sta_unused; 1674d55a0a1SVladimir Kondratiev } 16858527421SVladimir Kondratiev /* reorder buffers */ 169b4490f42SVladimir Kondratiev for (i = 0; i < WIL_STA_TID_NUM; i++) { 170ec81b5adSDedy Lansky struct wil_tid_ampdu_rx *r; 171ec81b5adSDedy Lansky 172bd33273bSVladimir Kondratiev spin_lock_bh(&sta->tid_rx_lock); 173ec81b5adSDedy Lansky 174ec81b5adSDedy Lansky r = sta->tid_rx[i]; 175b4490f42SVladimir Kondratiev sta->tid_rx[i] = NULL; 176b4490f42SVladimir Kondratiev wil_tid_ampdu_rx_free(wil, r); 177ec81b5adSDedy Lansky 178bd33273bSVladimir Kondratiev spin_unlock_bh(&sta->tid_rx_lock); 179b4490f42SVladimir Kondratiev } 18058527421SVladimir Kondratiev /* crypto context */ 18158527421SVladimir Kondratiev memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); 18258527421SVladimir Kondratiev memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); 18358527421SVladimir Kondratiev /* release vrings */ 18491886b0bSVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { 18591886b0bSVladimir Kondratiev if (wil->vring2cid_tid[i][0] == cid) 18691886b0bSVladimir Kondratiev wil_vring_fini_tx(wil, i); 18791886b0bSVladimir Kondratiev } 18858527421SVladimir Kondratiev /* statistics */ 18991886b0bSVladimir Kondratiev memset(&sta->stats, 0, sizeof(sta->stats)); 190b4490f42SVladimir Kondratiev } 191b4490f42SVladimir Kondratiev 192b516fcc5SVladimir Kondratiev static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, 1934821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 19491886b0bSVladimir Kondratiev { 19591886b0bSVladimir Kondratiev int cid = -ENOENT; 19691886b0bSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 19791886b0bSVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 19891886b0bSVladimir Kondratiev 19991886b0bSVladimir Kondratiev might_sleep(); 2000916d9f2SMaya Erez wil_info(wil, "%s(bssid=%pM, reason=%d, ev%s)\n", __func__, bssid, 201100106d7SVladimir Kondratiev reason_code, from_event ? "+" : "-"); 20291886b0bSVladimir Kondratiev 203100106d7SVladimir Kondratiev /* Cases are: 204100106d7SVladimir Kondratiev * - disconnect single STA, still connected 205100106d7SVladimir Kondratiev * - disconnect single STA, already disconnected 206100106d7SVladimir Kondratiev * - disconnect all 207100106d7SVladimir Kondratiev * 20868682b41SVladimir Kondratiev * For "disconnect all", there are 3 options: 209100106d7SVladimir Kondratiev * - bssid == NULL 21068682b41SVladimir Kondratiev * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 211100106d7SVladimir Kondratiev * - bssid is our MAC address 212100106d7SVladimir Kondratiev */ 21368682b41SVladimir Kondratiev if (bssid && !is_broadcast_ether_addr(bssid) && 21468682b41SVladimir Kondratiev !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 215100106d7SVladimir Kondratiev cid = wil_find_cid(wil, bssid); 216100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", 217100106d7SVladimir Kondratiev bssid, cid, reason_code); 21891886b0bSVladimir Kondratiev if (cid >= 0) /* disconnect 1 peer */ 2194821e6d8SVladimir Kondratiev wil_disconnect_cid(wil, cid, reason_code, from_event); 220100106d7SVladimir Kondratiev } else { /* all */ 221100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect all\n"); 22291886b0bSVladimir Kondratiev for (cid = 0; cid < WIL6210_MAX_CID; cid++) 2234821e6d8SVladimir Kondratiev wil_disconnect_cid(wil, cid, reason_code, from_event); 224100106d7SVladimir Kondratiev } 22591886b0bSVladimir Kondratiev 22691886b0bSVladimir Kondratiev /* link state */ 22791886b0bSVladimir Kondratiev switch (wdev->iftype) { 22891886b0bSVladimir Kondratiev case NL80211_IFTYPE_STATION: 22991886b0bSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 23041d6b093SVladimir Kondratiev wil_bcast_fini(wil); 231c5e96c91SDedy Lansky netif_tx_stop_all_queues(ndev); 232c5e96c91SDedy Lansky netif_carrier_off(ndev); 233c5e96c91SDedy Lansky 2349419b6a2SVladimir Kondratiev if (test_bit(wil_status_fwconnected, wil->status)) { 2359419b6a2SVladimir Kondratiev clear_bit(wil_status_fwconnected, wil->status); 2364821e6d8SVladimir Kondratiev cfg80211_disconnected(ndev, reason_code, 23780279fb7SJohannes Berg NULL, 0, false, GFP_KERNEL); 2389419b6a2SVladimir Kondratiev } else if (test_bit(wil_status_fwconnecting, wil->status)) { 2392be7d22fSVladimir Kondratiev cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, 2402be7d22fSVladimir Kondratiev WLAN_STATUS_UNSPECIFIED_FAILURE, 2412be7d22fSVladimir Kondratiev GFP_KERNEL); 2422be7d22fSVladimir Kondratiev } 2439419b6a2SVladimir Kondratiev clear_bit(wil_status_fwconnecting, wil->status); 24491886b0bSVladimir Kondratiev break; 24591886b0bSVladimir Kondratiev default: 24691886b0bSVladimir Kondratiev break; 24791886b0bSVladimir Kondratiev } 2482be7d22fSVladimir Kondratiev } 2492be7d22fSVladimir Kondratiev 2502be7d22fSVladimir Kondratiev static void wil_disconnect_worker(struct work_struct *work) 2512be7d22fSVladimir Kondratiev { 2522be7d22fSVladimir Kondratiev struct wil6210_priv *wil = container_of(work, 2532be7d22fSVladimir Kondratiev struct wil6210_priv, disconnect_worker); 2542be7d22fSVladimir Kondratiev 255097638a0SVladimir Kondratiev mutex_lock(&wil->mutex); 2564821e6d8SVladimir Kondratiev _wil6210_disconnect(wil, NULL, WLAN_REASON_UNSPECIFIED, false); 257097638a0SVladimir Kondratiev mutex_unlock(&wil->mutex); 2582be7d22fSVladimir Kondratiev } 2592be7d22fSVladimir Kondratiev 2602be7d22fSVladimir Kondratiev static void wil_connect_timer_fn(ulong x) 2612be7d22fSVladimir Kondratiev { 2622be7d22fSVladimir Kondratiev struct wil6210_priv *wil = (void *)x; 2630916d9f2SMaya Erez bool q; 2642be7d22fSVladimir Kondratiev 2650916d9f2SMaya Erez wil_err(wil, "Connect timeout detected, disconnect station\n"); 2662be7d22fSVladimir Kondratiev 2672be7d22fSVladimir Kondratiev /* reschedule to thread context - disconnect won't 2680916d9f2SMaya Erez * run from atomic context. 2690916d9f2SMaya Erez * queue on wmi_wq to prevent race with connect event. 2702be7d22fSVladimir Kondratiev */ 2710916d9f2SMaya Erez q = queue_work(wil->wmi_wq, &wil->disconnect_worker); 2720916d9f2SMaya Erez wil_dbg_wmi(wil, "queue_work of disconnect_worker -> %d\n", q); 2732be7d22fSVladimir Kondratiev } 2742be7d22fSVladimir Kondratiev 275047e5d74SVladimir Kondratiev static void wil_scan_timer_fn(ulong x) 276047e5d74SVladimir Kondratiev { 277047e5d74SVladimir Kondratiev struct wil6210_priv *wil = (void *)x; 278047e5d74SVladimir Kondratiev 2799419b6a2SVladimir Kondratiev clear_bit(wil_status_fwready, wil->status); 280047e5d74SVladimir Kondratiev wil_err(wil, "Scan timeout detected, start fw error recovery\n"); 2818ad6600fSVladimir Kondratiev wil_fw_error_recovery(wil); 282047e5d74SVladimir Kondratiev } 283047e5d74SVladimir Kondratiev 284c33407a8SVladimir Kondratiev static int wil_wait_for_recovery(struct wil6210_priv *wil) 285c33407a8SVladimir Kondratiev { 286c33407a8SVladimir Kondratiev if (wait_event_interruptible(wil->wq, wil->recovery_state != 287c33407a8SVladimir Kondratiev fw_recovery_pending)) { 288c33407a8SVladimir Kondratiev wil_err(wil, "Interrupt, canceling recovery\n"); 289c33407a8SVladimir Kondratiev return -ERESTARTSYS; 290c33407a8SVladimir Kondratiev } 291c33407a8SVladimir Kondratiev if (wil->recovery_state != fw_recovery_running) { 292c33407a8SVladimir Kondratiev wil_info(wil, "Recovery cancelled\n"); 293c33407a8SVladimir Kondratiev return -EINTR; 294c33407a8SVladimir Kondratiev } 295c33407a8SVladimir Kondratiev wil_info(wil, "Proceed with recovery\n"); 296c33407a8SVladimir Kondratiev return 0; 297c33407a8SVladimir Kondratiev } 298c33407a8SVladimir Kondratiev 299c33407a8SVladimir Kondratiev void wil_set_recovery_state(struct wil6210_priv *wil, int state) 300c33407a8SVladimir Kondratiev { 301c33407a8SVladimir Kondratiev wil_dbg_misc(wil, "%s(%d -> %d)\n", __func__, 302c33407a8SVladimir Kondratiev wil->recovery_state, state); 303c33407a8SVladimir Kondratiev 304c33407a8SVladimir Kondratiev wil->recovery_state = state; 305c33407a8SVladimir Kondratiev wake_up_interruptible(&wil->wq); 306c33407a8SVladimir Kondratiev } 307c33407a8SVladimir Kondratiev 308ed6f9dc6SVladimir Kondratiev static void wil_fw_error_worker(struct work_struct *work) 309ed6f9dc6SVladimir Kondratiev { 310c33407a8SVladimir Kondratiev struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 311c33407a8SVladimir Kondratiev fw_error_worker); 312ed6f9dc6SVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 313ed6f9dc6SVladimir Kondratiev 314ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "fw error worker\n"); 315ed6f9dc6SVladimir Kondratiev 316cded9369SVladimir Kondratiev if (!netif_running(wil_to_ndev(wil))) { 317cded9369SVladimir Kondratiev wil_info(wil, "No recovery - interface is down\n"); 318cded9369SVladimir Kondratiev return; 319cded9369SVladimir Kondratiev } 320cded9369SVladimir Kondratiev 321fc219eedSVladimir Kondratiev /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO 322fc219eedSVladimir Kondratiev * passed since last recovery attempt 323fc219eedSVladimir Kondratiev */ 324fc219eedSVladimir Kondratiev if (time_is_after_jiffies(wil->last_fw_recovery + 325fc219eedSVladimir Kondratiev WIL6210_FW_RECOVERY_TO)) 326fc219eedSVladimir Kondratiev wil->recovery_count++; 327fc219eedSVladimir Kondratiev else 328fc219eedSVladimir Kondratiev wil->recovery_count = 1; /* fw was alive for a long time */ 329fc219eedSVladimir Kondratiev 330fc219eedSVladimir Kondratiev if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { 331fc219eedSVladimir Kondratiev wil_err(wil, "too many recovery attempts (%d), giving up\n", 332fc219eedSVladimir Kondratiev wil->recovery_count); 333fc219eedSVladimir Kondratiev return; 334fc219eedSVladimir Kondratiev } 335fc219eedSVladimir Kondratiev 336fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 337fc219eedSVladimir Kondratiev 3389c3bde56SVladimir Kondratiev mutex_lock(&wil->mutex); 339ed6f9dc6SVladimir Kondratiev switch (wdev->iftype) { 340ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_STATION: 341ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 342ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 343c33407a8SVladimir Kondratiev wil_info(wil, "fw error recovery requested (try %d)...\n", 344fc219eedSVladimir Kondratiev wil->recovery_count); 345c33407a8SVladimir Kondratiev if (!no_fw_recovery) 346c33407a8SVladimir Kondratiev wil->recovery_state = fw_recovery_running; 347c33407a8SVladimir Kondratiev if (0 != wil_wait_for_recovery(wil)) 348c33407a8SVladimir Kondratiev break; 349c33407a8SVladimir Kondratiev 35073d839aeSVladimir Kondratiev __wil_down(wil); 35173d839aeSVladimir Kondratiev __wil_up(wil); 352ed6f9dc6SVladimir Kondratiev break; 353ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_AP: 354ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 355e240537bSVladimir Kondratiev wil_info(wil, "No recovery for AP-like interface\n"); 356ed6f9dc6SVladimir Kondratiev /* recovery in these modes is done by upper layers */ 357ed6f9dc6SVladimir Kondratiev break; 358ed6f9dc6SVladimir Kondratiev default: 359e240537bSVladimir Kondratiev wil_err(wil, "No recovery - unknown interface type %d\n", 360e240537bSVladimir Kondratiev wdev->iftype); 361ed6f9dc6SVladimir Kondratiev break; 362ed6f9dc6SVladimir Kondratiev } 3639c3bde56SVladimir Kondratiev mutex_unlock(&wil->mutex); 364ed6f9dc6SVladimir Kondratiev } 365ed6f9dc6SVladimir Kondratiev 3669a177384SVladimir Kondratiev static int wil_find_free_vring(struct wil6210_priv *wil) 3679a177384SVladimir Kondratiev { 3689a177384SVladimir Kondratiev int i; 3698fe59627SVladimir Kondratiev 3709a177384SVladimir Kondratiev for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { 3719a177384SVladimir Kondratiev if (!wil->vring_tx[i].va) 3729a177384SVladimir Kondratiev return i; 3739a177384SVladimir Kondratiev } 3749a177384SVladimir Kondratiev return -EINVAL; 3759a177384SVladimir Kondratiev } 3769a177384SVladimir Kondratiev 3770916d9f2SMaya Erez int wil_tx_init(struct wil6210_priv *wil, int cid) 3780916d9f2SMaya Erez { 3790916d9f2SMaya Erez int rc = -EINVAL, ringid; 3800916d9f2SMaya Erez 3810916d9f2SMaya Erez if (cid < 0) { 3820916d9f2SMaya Erez wil_err(wil, "No connection pending\n"); 3830916d9f2SMaya Erez goto out; 3840916d9f2SMaya Erez } 3850916d9f2SMaya Erez ringid = wil_find_free_vring(wil); 3860916d9f2SMaya Erez if (ringid < 0) { 3870916d9f2SMaya Erez wil_err(wil, "No free vring found\n"); 3880916d9f2SMaya Erez goto out; 3890916d9f2SMaya Erez } 3900916d9f2SMaya Erez 3910916d9f2SMaya Erez wil_dbg_wmi(wil, "Configure for connection CID %d vring %d\n", 3920916d9f2SMaya Erez cid, ringid); 3930916d9f2SMaya Erez 3940916d9f2SMaya Erez rc = wil_vring_init_tx(wil, ringid, 1 << tx_ring_order, cid, 0); 3950916d9f2SMaya Erez if (rc) 3960916d9f2SMaya Erez wil_err(wil, "wil_vring_init_tx for CID %d vring %d failed\n", 3970916d9f2SMaya Erez cid, ringid); 3980916d9f2SMaya Erez 3990916d9f2SMaya Erez out: 4000916d9f2SMaya Erez return rc; 4010916d9f2SMaya Erez } 4020916d9f2SMaya Erez 40341d6b093SVladimir Kondratiev int wil_bcast_init(struct wil6210_priv *wil) 40441d6b093SVladimir Kondratiev { 40541d6b093SVladimir Kondratiev int ri = wil->bcast_vring, rc; 40641d6b093SVladimir Kondratiev 40741d6b093SVladimir Kondratiev if ((ri >= 0) && wil->vring_tx[ri].va) 40841d6b093SVladimir Kondratiev return 0; 40941d6b093SVladimir Kondratiev 41041d6b093SVladimir Kondratiev ri = wil_find_free_vring(wil); 41141d6b093SVladimir Kondratiev if (ri < 0) 41241d6b093SVladimir Kondratiev return ri; 41341d6b093SVladimir Kondratiev 41441d6b093SVladimir Kondratiev wil->bcast_vring = ri; 415230d8442SVladimir Kondratiev rc = wil_vring_init_bcast(wil, ri, 1 << bcast_ring_order); 416230d8442SVladimir Kondratiev if (rc) 417230d8442SVladimir Kondratiev wil->bcast_vring = -1; 41841d6b093SVladimir Kondratiev 41941d6b093SVladimir Kondratiev return rc; 42041d6b093SVladimir Kondratiev } 42141d6b093SVladimir Kondratiev 42241d6b093SVladimir Kondratiev void wil_bcast_fini(struct wil6210_priv *wil) 42341d6b093SVladimir Kondratiev { 42441d6b093SVladimir Kondratiev int ri = wil->bcast_vring; 42541d6b093SVladimir Kondratiev 42641d6b093SVladimir Kondratiev if (ri < 0) 42741d6b093SVladimir Kondratiev return; 42841d6b093SVladimir Kondratiev 42941d6b093SVladimir Kondratiev wil->bcast_vring = -1; 43041d6b093SVladimir Kondratiev wil_vring_fini_tx(wil, ri); 43141d6b093SVladimir Kondratiev } 43241d6b093SVladimir Kondratiev 4332be7d22fSVladimir Kondratiev int wil_priv_init(struct wil6210_priv *wil) 4342be7d22fSVladimir Kondratiev { 435ec81b5adSDedy Lansky uint i; 436ec81b5adSDedy Lansky 4377743882dSVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 4382be7d22fSVladimir Kondratiev 4393df2cd36SVladimir Kondratiev memset(wil->sta, 0, sizeof(wil->sta)); 440ec81b5adSDedy Lansky for (i = 0; i < WIL6210_MAX_CID; i++) 441ec81b5adSDedy Lansky spin_lock_init(&wil->sta[i].tid_rx_lock); 4423df2cd36SVladimir Kondratiev 443875e9439SMaya Erez for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) 444875e9439SMaya Erez spin_lock_init(&wil->vring_tx_data[i].lock); 445875e9439SMaya Erez 4462be7d22fSVladimir Kondratiev mutex_init(&wil->mutex); 4472be7d22fSVladimir Kondratiev mutex_init(&wil->wmi_mutex); 44840822a90SVladimir Kondratiev mutex_init(&wil->probe_client_mutex); 4492be7d22fSVladimir Kondratiev 4502be7d22fSVladimir Kondratiev init_completion(&wil->wmi_ready); 45159502647SDedy Lansky init_completion(&wil->wmi_call); 4522be7d22fSVladimir Kondratiev 45341d6b093SVladimir Kondratiev wil->bcast_vring = -1; 4542be7d22fSVladimir Kondratiev setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil); 455047e5d74SVladimir Kondratiev setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil); 4562be7d22fSVladimir Kondratiev 4572be7d22fSVladimir Kondratiev INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker); 4582be7d22fSVladimir Kondratiev INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); 459ed6f9dc6SVladimir Kondratiev INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); 46040822a90SVladimir Kondratiev INIT_WORK(&wil->probe_client_worker, wil_probe_client_worker); 4612be7d22fSVladimir Kondratiev 4622be7d22fSVladimir Kondratiev INIT_LIST_HEAD(&wil->pending_wmi_ev); 46340822a90SVladimir Kondratiev INIT_LIST_HEAD(&wil->probe_client_pending); 4642be7d22fSVladimir Kondratiev spin_lock_init(&wil->wmi_ev_lock); 465c33407a8SVladimir Kondratiev init_waitqueue_head(&wil->wq); 4662be7d22fSVladimir Kondratiev 4672be7d22fSVladimir Kondratiev wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); 4682be7d22fSVladimir Kondratiev if (!wil->wmi_wq) 4692be7d22fSVladimir Kondratiev return -EAGAIN; 4702be7d22fSVladimir Kondratiev 4713277213fSVladimir Kondratiev wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); 4723277213fSVladimir Kondratiev if (!wil->wq_service) 4733277213fSVladimir Kondratiev goto out_wmi_wq; 4742be7d22fSVladimir Kondratiev 475fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 4761f80af2eSVladimir Shulman wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; 4771f80af2eSVladimir Shulman wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; 4781f80af2eSVladimir Shulman wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; 4791f80af2eSVladimir Shulman wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; 480fc219eedSVladimir Kondratiev 481ab954628SVladimir Kondratiev if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) 482ab954628SVladimir Kondratiev rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; 4832be7d22fSVladimir Kondratiev return 0; 4843277213fSVladimir Kondratiev 4853277213fSVladimir Kondratiev out_wmi_wq: 4863277213fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 4873277213fSVladimir Kondratiev 4883277213fSVladimir Kondratiev return -EAGAIN; 4892be7d22fSVladimir Kondratiev } 4902be7d22fSVladimir Kondratiev 491b516fcc5SVladimir Kondratiev /** 492b516fcc5SVladimir Kondratiev * wil6210_disconnect - disconnect one connection 493b516fcc5SVladimir Kondratiev * @wil: driver context 494b516fcc5SVladimir Kondratiev * @bssid: peer to disconnect, NULL to disconnect all 4954821e6d8SVladimir Kondratiev * @reason_code: Reason code for the Disassociation frame 496b516fcc5SVladimir Kondratiev * @from_event: whether is invoked from FW event handler 497b516fcc5SVladimir Kondratiev * 498b516fcc5SVladimir Kondratiev * Disconnect and release associated resources. If invoked not from the 499b516fcc5SVladimir Kondratiev * FW event handler, issue WMI command(s) to trigger MAC disconnect. 500b516fcc5SVladimir Kondratiev */ 501b516fcc5SVladimir Kondratiev void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, 5024821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 5032be7d22fSVladimir Kondratiev { 5049cf10d62SVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 5059cf10d62SVladimir Kondratiev 5062be7d22fSVladimir Kondratiev del_timer_sync(&wil->connect_timer); 5074821e6d8SVladimir Kondratiev _wil6210_disconnect(wil, bssid, reason_code, from_event); 5082be7d22fSVladimir Kondratiev } 5092be7d22fSVladimir Kondratiev 5102be7d22fSVladimir Kondratiev void wil_priv_deinit(struct wil6210_priv *wil) 5112be7d22fSVladimir Kondratiev { 5129cf10d62SVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 5139cf10d62SVladimir Kondratiev 514c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 515047e5d74SVladimir Kondratiev del_timer_sync(&wil->scan_timer); 5162be7d22fSVladimir Kondratiev cancel_work_sync(&wil->disconnect_worker); 517ed6f9dc6SVladimir Kondratiev cancel_work_sync(&wil->fw_error_worker); 518097638a0SVladimir Kondratiev mutex_lock(&wil->mutex); 5194821e6d8SVladimir Kondratiev wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); 520097638a0SVladimir Kondratiev mutex_unlock(&wil->mutex); 5212be7d22fSVladimir Kondratiev wmi_event_flush(wil); 52240822a90SVladimir Kondratiev wil_probe_client_flush(wil); 52340822a90SVladimir Kondratiev cancel_work_sync(&wil->probe_client_worker); 5243277213fSVladimir Kondratiev destroy_workqueue(wil->wq_service); 5252be7d22fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 5262be7d22fSVladimir Kondratiev } 5272be7d22fSVladimir Kondratiev 528151a9706SVladimir Kondratiev static inline void wil_halt_cpu(struct wil6210_priv *wil) 529151a9706SVladimir Kondratiev { 530b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); 531b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); 532151a9706SVladimir Kondratiev } 533151a9706SVladimir Kondratiev 534151a9706SVladimir Kondratiev static inline void wil_release_cpu(struct wil6210_priv *wil) 535151a9706SVladimir Kondratiev { 536151a9706SVladimir Kondratiev /* Start CPU */ 537b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, 1); 538151a9706SVladimir Kondratiev } 539151a9706SVladimir Kondratiev 540bbb2adc7SVladimir Kondratiev static int wil_target_reset(struct wil6210_priv *wil) 5412be7d22fSVladimir Kondratiev { 54298a65b59SVladimir Kondratiev int delay = 0; 543bb6c8dccSVladimir Kondratiev u32 x, x1 = 0; 54436b10a72SVladimir Kondratiev 5451aeda13bSVladimir Kondratiev wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); 5466508281bSVladimir Kondratiev 5476508281bSVladimir Kondratiev /* Clear MAC link up */ 548b9eeb512SVladimir Kondratiev wil_s(wil, RGF_HP_CTRL, BIT(15)); 549b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD); 550b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); 551151a9706SVladimir Kondratiev 552151a9706SVladimir Kondratiev wil_halt_cpu(wil); 5532be7d22fSVladimir Kondratiev 5542cd0f021SVladimir Kondratiev /* clear all boot loader "ready" bits */ 555b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_BL + 556f1ad8c93SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0); 557cce47711SVladimir Kondratiev /* Clear Fw Download notification */ 558b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_USAGE_6, BIT(0)); 559cce47711SVladimir Kondratiev 560b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); 56148516298SVladimir Kondratiev /* XTAL stabilization should take about 3ms */ 56248516298SVladimir Kondratiev usleep_range(5000, 7000); 563b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); 56448516298SVladimir Kondratiev if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { 56548516298SVladimir Kondratiev wil_err(wil, "Xtal stabilization timeout\n" 56648516298SVladimir Kondratiev "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); 56748516298SVladimir Kondratiev return -ETIME; 56848516298SVladimir Kondratiev } 56948516298SVladimir Kondratiev /* switch 10k to XTAL*/ 570b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); 57148516298SVladimir Kondratiev /* 40 MHz */ 572b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); 57348516298SVladimir Kondratiev 574b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); 575b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); 5766508281bSVladimir Kondratiev 577b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000); 578b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F); 579b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); 580b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00); 5812be7d22fSVladimir Kondratiev 582b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); 583b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); 5846508281bSVladimir Kondratiev 585b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); 586b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); 587b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); 588b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 5892be7d22fSVladimir Kondratiev 590b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); 591b9eeb512SVladimir Kondratiev /* reset A2 PCIE AHB */ 592b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); 5936508281bSVladimir Kondratiev 594b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 5952be7d22fSVladimir Kondratiev 5962cd0f021SVladimir Kondratiev /* wait until device ready. typical time is 20..80 msec */ 59736b10a72SVladimir Kondratiev do { 598520d68e7SVladimir Kondratiev msleep(RST_DELAY); 599b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_USER_BL + 600b9eeb512SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 601f1ad8c93SVladimir Kondratiev boot_loader_ready)); 602bb6c8dccSVladimir Kondratiev if (x1 != x) { 603bb6c8dccSVladimir Kondratiev wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x); 604bb6c8dccSVladimir Kondratiev x1 = x; 605bb6c8dccSVladimir Kondratiev } 606520d68e7SVladimir Kondratiev if (delay++ > RST_COUNT) { 6072cd0f021SVladimir Kondratiev wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", 60848516298SVladimir Kondratiev x); 609bbb2adc7SVladimir Kondratiev return -ETIME; 61036b10a72SVladimir Kondratiev } 611f1ad8c93SVladimir Kondratiev } while (x != BL_READY); 61236b10a72SVladimir Kondratiev 613b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); 614972072aaSVladimir Kondratiev 615e3351277SVladimir Kondratiev /* enable fix for HW bug related to the SA/DA swap in AP Rx */ 616b9eeb512SVladimir Kondratiev wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | 617e3351277SVladimir Kondratiev BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); 618e3351277SVladimir Kondratiev 619520d68e7SVladimir Kondratiev wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); 620bbb2adc7SVladimir Kondratiev return 0; 621151a9706SVladimir Kondratiev } 6222be7d22fSVladimir Kondratiev 6232be7d22fSVladimir Kondratiev void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) 6242be7d22fSVladimir Kondratiev { 6252be7d22fSVladimir Kondratiev le32_to_cpus(&r->base); 6262be7d22fSVladimir Kondratiev le16_to_cpus(&r->entry_size); 6272be7d22fSVladimir Kondratiev le16_to_cpus(&r->size); 6282be7d22fSVladimir Kondratiev le32_to_cpus(&r->tail); 6292be7d22fSVladimir Kondratiev le32_to_cpus(&r->head); 6302be7d22fSVladimir Kondratiev } 6312be7d22fSVladimir Kondratiev 6322cd0f021SVladimir Kondratiev static int wil_get_bl_info(struct wil6210_priv *wil) 6332cd0f021SVladimir Kondratiev { 6342cd0f021SVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 635b42f1196SHamad Kadmany struct wiphy *wiphy = wil_to_wiphy(wil); 636f1ad8c93SVladimir Kondratiev union { 637f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v0 bl0; 638f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v1 bl1; 639f1ad8c93SVladimir Kondratiev } bl; 640f1ad8c93SVladimir Kondratiev u32 bl_ver; 641f1ad8c93SVladimir Kondratiev u8 *mac; 642f1ad8c93SVladimir Kondratiev u16 rf_status; 6432cd0f021SVladimir Kondratiev 644f1ad8c93SVladimir Kondratiev wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), 64519c871ceSVladimir Kondratiev sizeof(bl)); 64619c871ceSVladimir Kondratiev bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); 64719c871ceSVladimir Kondratiev mac = bl.bl0.mac_address; 64819c871ceSVladimir Kondratiev 64919c871ceSVladimir Kondratiev if (bl_ver == 0) { 650f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.rf_type); 651f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.baseband_type); 652f1ad8c93SVladimir Kondratiev rf_status = 0; /* actually, unknown */ 653f1ad8c93SVladimir Kondratiev wil_info(wil, 654f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", 655f1ad8c93SVladimir Kondratiev bl_ver, mac, 656f1ad8c93SVladimir Kondratiev bl.bl0.rf_type, bl.bl0.baseband_type); 657f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build unknown for struct v0\n"); 65819c871ceSVladimir Kondratiev } else { 659f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.rf_type); 660f1ad8c93SVladimir Kondratiev rf_status = le16_to_cpu(bl.bl1.rf_status); 661f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl1.baseband_type); 662f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_subminor); 663f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_build); 664f1ad8c93SVladimir Kondratiev wil_info(wil, 665f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", 666f1ad8c93SVladimir Kondratiev bl_ver, mac, 667f1ad8c93SVladimir Kondratiev bl.bl1.rf_type, rf_status, 668f1ad8c93SVladimir Kondratiev bl.bl1.baseband_type); 669f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", 670f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_major, bl.bl1.bl_version_minor, 671f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); 6722cd0f021SVladimir Kondratiev } 6732cd0f021SVladimir Kondratiev 674f1ad8c93SVladimir Kondratiev if (!is_valid_ether_addr(mac)) { 675f1ad8c93SVladimir Kondratiev wil_err(wil, "BL: Invalid MAC %pM\n", mac); 676f1ad8c93SVladimir Kondratiev return -EINVAL; 677f1ad8c93SVladimir Kondratiev } 678f1ad8c93SVladimir Kondratiev 679f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 680b42f1196SHamad Kadmany ether_addr_copy(wiphy->perm_addr, mac); 6812cd0f021SVladimir Kondratiev if (!is_valid_ether_addr(ndev->dev_addr)) 682f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->dev_addr, mac); 683f1ad8c93SVladimir Kondratiev 684f1ad8c93SVladimir Kondratiev if (rf_status) {/* bad RF cable? */ 685f1ad8c93SVladimir Kondratiev wil_err(wil, "RF communication error 0x%04x", 686f1ad8c93SVladimir Kondratiev rf_status); 687f1ad8c93SVladimir Kondratiev return -EAGAIN; 688f1ad8c93SVladimir Kondratiev } 6892cd0f021SVladimir Kondratiev 6902cd0f021SVladimir Kondratiev return 0; 6912cd0f021SVladimir Kondratiev } 6922cd0f021SVladimir Kondratiev 693409ead54SVladimir Kondratiev static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) 694409ead54SVladimir Kondratiev { 695409ead54SVladimir Kondratiev u32 bl_assert_code, bl_assert_blink, bl_magic_number; 696409ead54SVladimir Kondratiev u32 bl_ver = wil_r(wil, RGF_USER_BL + 697409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 698409ead54SVladimir Kondratiev boot_loader_struct_version)); 699409ead54SVladimir Kondratiev 700409ead54SVladimir Kondratiev if (bl_ver < 2) 701409ead54SVladimir Kondratiev return; 702409ead54SVladimir Kondratiev 703409ead54SVladimir Kondratiev bl_assert_code = wil_r(wil, RGF_USER_BL + 704409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 705409ead54SVladimir Kondratiev bl_assert_code)); 706409ead54SVladimir Kondratiev bl_assert_blink = wil_r(wil, RGF_USER_BL + 707409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 708409ead54SVladimir Kondratiev bl_assert_blink)); 709409ead54SVladimir Kondratiev bl_magic_number = wil_r(wil, RGF_USER_BL + 710409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 711409ead54SVladimir Kondratiev bl_magic_number)); 712409ead54SVladimir Kondratiev 713409ead54SVladimir Kondratiev if (is_err) { 714409ead54SVladimir Kondratiev wil_err(wil, 715409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 716409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 717409ead54SVladimir Kondratiev } else { 718409ead54SVladimir Kondratiev wil_dbg_misc(wil, 719409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 720409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 721409ead54SVladimir Kondratiev } 722409ead54SVladimir Kondratiev } 723409ead54SVladimir Kondratiev 7242be7d22fSVladimir Kondratiev static int wil_wait_for_fw_ready(struct wil6210_priv *wil) 7252be7d22fSVladimir Kondratiev { 7262be7d22fSVladimir Kondratiev ulong to = msecs_to_jiffies(1000); 7272be7d22fSVladimir Kondratiev ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); 7288fe59627SVladimir Kondratiev 7292be7d22fSVladimir Kondratiev if (0 == left) { 7302be7d22fSVladimir Kondratiev wil_err(wil, "Firmware not ready\n"); 7312be7d22fSVladimir Kondratiev return -ETIME; 7322be7d22fSVladimir Kondratiev } else { 73315e23124SVladimir Kondratiev wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", 73415e23124SVladimir Kondratiev jiffies_to_msecs(to-left), wil->hw_version); 7352be7d22fSVladimir Kondratiev } 7362be7d22fSVladimir Kondratiev return 0; 7372be7d22fSVladimir Kondratiev } 7382be7d22fSVladimir Kondratiev 7392be7d22fSVladimir Kondratiev /* 7402be7d22fSVladimir Kondratiev * We reset all the structures, and we reset the UMAC. 7412be7d22fSVladimir Kondratiev * After calling this routine, you're expected to reload 7422be7d22fSVladimir Kondratiev * the firmware. 7432be7d22fSVladimir Kondratiev */ 7442cd0f021SVladimir Kondratiev int wil_reset(struct wil6210_priv *wil, bool load_fw) 7452be7d22fSVladimir Kondratiev { 7462be7d22fSVladimir Kondratiev int rc; 7472be7d22fSVladimir Kondratiev 7489cf10d62SVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 7499cf10d62SVladimir Kondratiev 750097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 7519419b6a2SVladimir Kondratiev WARN_ON(test_bit(wil_status_napi_en, wil->status)); 752097638a0SVladimir Kondratiev 753bfc2dc7aSVladimir Kondratiev if (debug_fw) { 754bfc2dc7aSVladimir Kondratiev static const u8 mac[ETH_ALEN] = { 755bfc2dc7aSVladimir Kondratiev 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, 756bfc2dc7aSVladimir Kondratiev }; 757bfc2dc7aSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 758bfc2dc7aSVladimir Kondratiev 759bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 760bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->dev_addr, ndev->perm_addr); 761bfc2dc7aSVladimir Kondratiev return 0; 762bfc2dc7aSVladimir Kondratiev } 763bfc2dc7aSVladimir Kondratiev 76467131a1dSVladimir Kondratiev if (wil->hw_version == HW_VER_UNKNOWN) 76567131a1dSVladimir Kondratiev return -ENODEV; 76667131a1dSVladimir Kondratiev 767f13e0630SHamad Kadmany set_bit(wil_status_resetting, wil->status); 768f13e0630SHamad Kadmany 769097638a0SVladimir Kondratiev cancel_work_sync(&wil->disconnect_worker); 7704821e6d8SVladimir Kondratiev wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); 77141d6b093SVladimir Kondratiev wil_bcast_fini(wil); 772097638a0SVladimir Kondratiev 773452133a7SMaya Erez /* prevent NAPI from being scheduled and prevent wmi commands */ 774452133a7SMaya Erez mutex_lock(&wil->wmi_mutex); 7759419b6a2SVladimir Kondratiev bitmap_zero(wil->status, wil_status_last); 776452133a7SMaya Erez mutex_unlock(&wil->wmi_mutex); 7770fef1818SVladimir Kondratiev 778ed6f9dc6SVladimir Kondratiev if (wil->scan_request) { 779ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "Abort scan_request 0x%p\n", 780ed6f9dc6SVladimir Kondratiev wil->scan_request); 781047e5d74SVladimir Kondratiev del_timer_sync(&wil->scan_timer); 782ed6f9dc6SVladimir Kondratiev cfg80211_scan_done(wil->scan_request, true); 783ed6f9dc6SVladimir Kondratiev wil->scan_request = NULL; 784ed6f9dc6SVladimir Kondratiev } 785ed6f9dc6SVladimir Kondratiev 786e4dbb093SVladimir Kondratiev wil_mask_irq(wil); 7872be7d22fSVladimir Kondratiev 788e08b5906SVladimir Kondratiev wmi_event_flush(wil); 789e08b5906SVladimir Kondratiev 7903277213fSVladimir Kondratiev flush_workqueue(wil->wq_service); 791e08b5906SVladimir Kondratiev flush_workqueue(wil->wmi_wq); 792e08b5906SVladimir Kondratiev 793409ead54SVladimir Kondratiev wil_bl_crash_info(wil, false); 794bbb2adc7SVladimir Kondratiev rc = wil_target_reset(wil); 7958bf6adb9SVladimir Kondratiev wil_rx_fini(wil); 796409ead54SVladimir Kondratiev if (rc) { 797409ead54SVladimir Kondratiev wil_bl_crash_info(wil, true); 798bbb2adc7SVladimir Kondratiev return rc; 799409ead54SVladimir Kondratiev } 800bbb2adc7SVladimir Kondratiev 8012cd0f021SVladimir Kondratiev rc = wil_get_bl_info(wil); 802f1ad8c93SVladimir Kondratiev if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */ 803f1ad8c93SVladimir Kondratiev rc = 0; 8042cd0f021SVladimir Kondratiev if (rc) 8052cd0f021SVladimir Kondratiev return rc; 8062cd0f021SVladimir Kondratiev 8072cd0f021SVladimir Kondratiev if (load_fw) { 8082cd0f021SVladimir Kondratiev wil_info(wil, "Use firmware <%s> + board <%s>\n", WIL_FW_NAME, 8092cd0f021SVladimir Kondratiev WIL_FW2_NAME); 8102cd0f021SVladimir Kondratiev 811151a9706SVladimir Kondratiev wil_halt_cpu(wil); 812151a9706SVladimir Kondratiev /* Loading f/w from the file */ 813151a9706SVladimir Kondratiev rc = wil_request_firmware(wil, WIL_FW_NAME); 814151a9706SVladimir Kondratiev if (rc) 815151a9706SVladimir Kondratiev return rc; 8162cd0f021SVladimir Kondratiev rc = wil_request_firmware(wil, WIL_FW2_NAME); 8172cd0f021SVladimir Kondratiev if (rc) 8182cd0f021SVladimir Kondratiev return rc; 819151a9706SVladimir Kondratiev 8202cd0f021SVladimir Kondratiev /* Mark FW as loaded from host */ 821b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_USAGE_6, 1); 8222cd0f021SVladimir Kondratiev 8232cd0f021SVladimir Kondratiev /* clear any interrupts which on-card-firmware 8242cd0f021SVladimir Kondratiev * may have set 8252cd0f021SVladimir Kondratiev */ 826151a9706SVladimir Kondratiev wil6210_clear_irq(wil); 8272cd0f021SVladimir Kondratiev /* CAF_ICR - clear and mask */ 8282cd0f021SVladimir Kondratiev /* it is W1C, clear by writing back same value */ 829b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); 830b9eeb512SVladimir Kondratiev wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); 831151a9706SVladimir Kondratiev 832151a9706SVladimir Kondratiev wil_release_cpu(wil); 833151a9706SVladimir Kondratiev } 8348bf6adb9SVladimir Kondratiev 8352be7d22fSVladimir Kondratiev /* init after reset */ 83602beaf1aSVladimir Kondratiev wil->ap_isolate = 0; 83716735d02SWolfram Sang reinit_completion(&wil->wmi_ready); 83859502647SDedy Lansky reinit_completion(&wil->wmi_call); 8392be7d22fSVladimir Kondratiev 8402cd0f021SVladimir Kondratiev if (load_fw) { 84178366f69SVladimir Kondratiev wil_configure_interrupt_moderation(wil); 842e4dbb093SVladimir Kondratiev wil_unmask_irq(wil); 8432be7d22fSVladimir Kondratiev 8442be7d22fSVladimir Kondratiev /* we just started MAC, wait for FW ready */ 8452be7d22fSVladimir Kondratiev rc = wil_wait_for_fw_ready(wil); 846cec94d8cSVladimir Kondratiev if (rc == 0) /* check FW is responsive */ 847cec94d8cSVladimir Kondratiev rc = wmi_echo(wil); 8482cd0f021SVladimir Kondratiev } 8492be7d22fSVladimir Kondratiev 8502be7d22fSVladimir Kondratiev return rc; 8512be7d22fSVladimir Kondratiev } 8522be7d22fSVladimir Kondratiev 853ed6f9dc6SVladimir Kondratiev void wil_fw_error_recovery(struct wil6210_priv *wil) 854ed6f9dc6SVladimir Kondratiev { 855ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "starting fw error recovery\n"); 856f13e0630SHamad Kadmany 857f13e0630SHamad Kadmany if (test_bit(wil_status_resetting, wil->status)) { 858f13e0630SHamad Kadmany wil_info(wil, "Reset already in progress\n"); 859f13e0630SHamad Kadmany return; 860f13e0630SHamad Kadmany } 861f13e0630SHamad Kadmany 862c33407a8SVladimir Kondratiev wil->recovery_state = fw_recovery_pending; 863ed6f9dc6SVladimir Kondratiev schedule_work(&wil->fw_error_worker); 864ed6f9dc6SVladimir Kondratiev } 8652be7d22fSVladimir Kondratiev 86673d839aeSVladimir Kondratiev int __wil_up(struct wil6210_priv *wil) 8672be7d22fSVladimir Kondratiev { 8682be7d22fSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 8692be7d22fSVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 8702be7d22fSVladimir Kondratiev int rc; 8712be7d22fSVladimir Kondratiev 872097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 873097638a0SVladimir Kondratiev 8742cd0f021SVladimir Kondratiev rc = wil_reset(wil, true); 8752be7d22fSVladimir Kondratiev if (rc) 8762be7d22fSVladimir Kondratiev return rc; 8772be7d22fSVladimir Kondratiev 878e31b2562SVladimir Kondratiev /* Rx VRING. After MAC and beacon */ 879d3762b40SVladimir Kondratiev rc = wil_rx_init(wil, 1 << rx_ring_order); 880e31b2562SVladimir Kondratiev if (rc) 881e31b2562SVladimir Kondratiev return rc; 882e31b2562SVladimir Kondratiev 8832be7d22fSVladimir Kondratiev switch (wdev->iftype) { 8842be7d22fSVladimir Kondratiev case NL80211_IFTYPE_STATION: 8857743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: STATION\n"); 8862be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 8872be7d22fSVladimir Kondratiev break; 8882be7d22fSVladimir Kondratiev case NL80211_IFTYPE_AP: 8897743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: AP\n"); 8902be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 8912be7d22fSVladimir Kondratiev break; 8922be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 8937743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_CLIENT\n"); 8942be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 8952be7d22fSVladimir Kondratiev break; 8962be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 8977743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_GO\n"); 8982be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 8992be7d22fSVladimir Kondratiev break; 9002be7d22fSVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 9017743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: Monitor\n"); 9022be7d22fSVladimir Kondratiev ndev->type = ARPHRD_IEEE80211_RADIOTAP; 9032be7d22fSVladimir Kondratiev /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ 9042be7d22fSVladimir Kondratiev break; 9052be7d22fSVladimir Kondratiev default: 9062be7d22fSVladimir Kondratiev return -EOPNOTSUPP; 9072be7d22fSVladimir Kondratiev } 9082be7d22fSVladimir Kondratiev 9092be7d22fSVladimir Kondratiev /* MAC address - pre-requisite for other commands */ 9102be7d22fSVladimir Kondratiev wmi_set_mac_address(wil, ndev->dev_addr); 9112be7d22fSVladimir Kondratiev 91273d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI enable\n"); 913e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_rx); 914e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_tx); 9159419b6a2SVladimir Kondratiev set_bit(wil_status_napi_en, wil->status); 916e0287c4aSVladimir Kondratiev 917f772ebfbSVladimir Kondratiev if (wil->platform_ops.bus_request) 918f772ebfbSVladimir Kondratiev wil->platform_ops.bus_request(wil->platform_handle, 919f772ebfbSVladimir Kondratiev WIL_MAX_BUS_REQUEST_KBPS); 920f772ebfbSVladimir Kondratiev 9212be7d22fSVladimir Kondratiev return 0; 9222be7d22fSVladimir Kondratiev } 9232be7d22fSVladimir Kondratiev 9242be7d22fSVladimir Kondratiev int wil_up(struct wil6210_priv *wil) 9252be7d22fSVladimir Kondratiev { 9262be7d22fSVladimir Kondratiev int rc; 9272be7d22fSVladimir Kondratiev 9289cf10d62SVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 9299cf10d62SVladimir Kondratiev 9302be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 9312be7d22fSVladimir Kondratiev rc = __wil_up(wil); 9322be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 9332be7d22fSVladimir Kondratiev 9342be7d22fSVladimir Kondratiev return rc; 9352be7d22fSVladimir Kondratiev } 9362be7d22fSVladimir Kondratiev 93773d839aeSVladimir Kondratiev int __wil_down(struct wil6210_priv *wil) 9382be7d22fSVladimir Kondratiev { 93978771d76SVladimir Kondratiev int rc; 940f172b563SDedy Lansky 941097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 942097638a0SVladimir Kondratiev 943f772ebfbSVladimir Kondratiev if (wil->platform_ops.bus_request) 944f772ebfbSVladimir Kondratiev wil->platform_ops.bus_request(wil->platform_handle, 0); 945f772ebfbSVladimir Kondratiev 94673d839aeSVladimir Kondratiev wil_disable_irq(wil); 9479419b6a2SVladimir Kondratiev if (test_and_clear_bit(wil_status_napi_en, wil->status)) { 948e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_rx); 949e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_tx); 95073d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI disable\n"); 95173d839aeSVladimir Kondratiev } 95273d839aeSVladimir Kondratiev wil_enable_irq(wil); 953e0287c4aSVladimir Kondratiev 9542be7d22fSVladimir Kondratiev if (wil->scan_request) { 9552a91d7d0SVladimir Kondratiev wil_dbg_misc(wil, "Abort scan_request 0x%p\n", 9562a91d7d0SVladimir Kondratiev wil->scan_request); 957047e5d74SVladimir Kondratiev del_timer_sync(&wil->scan_timer); 9582be7d22fSVladimir Kondratiev cfg80211_scan_done(wil->scan_request, true); 9592be7d22fSVladimir Kondratiev wil->scan_request = NULL; 9602be7d22fSVladimir Kondratiev } 9612be7d22fSVladimir Kondratiev 9629419b6a2SVladimir Kondratiev if (test_bit(wil_status_fwconnected, wil->status) || 96378771d76SVladimir Kondratiev test_bit(wil_status_fwconnecting, wil->status)) { 964f172b563SDedy Lansky 965f172b563SDedy Lansky mutex_unlock(&wil->mutex); 96678771d76SVladimir Kondratiev rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, 96778771d76SVladimir Kondratiev WMI_DISCONNECT_EVENTID, NULL, 0, 96878771d76SVladimir Kondratiev WIL6210_DISCONNECT_TO_MS); 969f172b563SDedy Lansky mutex_lock(&wil->mutex); 97078771d76SVladimir Kondratiev if (rc) 97178771d76SVladimir Kondratiev wil_err(wil, "timeout waiting for disconnect\n"); 97278771d76SVladimir Kondratiev } 973f172b563SDedy Lansky 9742cd0f021SVladimir Kondratiev wil_reset(wil, false); 9752be7d22fSVladimir Kondratiev 9762be7d22fSVladimir Kondratiev return 0; 9772be7d22fSVladimir Kondratiev } 9782be7d22fSVladimir Kondratiev 9792be7d22fSVladimir Kondratiev int wil_down(struct wil6210_priv *wil) 9802be7d22fSVladimir Kondratiev { 9812be7d22fSVladimir Kondratiev int rc; 9822be7d22fSVladimir Kondratiev 9839cf10d62SVladimir Kondratiev wil_dbg_misc(wil, "%s()\n", __func__); 9849cf10d62SVladimir Kondratiev 985c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 9862be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 9872be7d22fSVladimir Kondratiev rc = __wil_down(wil); 9882be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 9892be7d22fSVladimir Kondratiev 9902be7d22fSVladimir Kondratiev return rc; 9912be7d22fSVladimir Kondratiev } 9923df2cd36SVladimir Kondratiev 9933df2cd36SVladimir Kondratiev int wil_find_cid(struct wil6210_priv *wil, const u8 *mac) 9943df2cd36SVladimir Kondratiev { 9953df2cd36SVladimir Kondratiev int i; 9963df2cd36SVladimir Kondratiev int rc = -ENOENT; 9973df2cd36SVladimir Kondratiev 9983df2cd36SVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 9993df2cd36SVladimir Kondratiev if ((wil->sta[i].status != wil_sta_unused) && 1000108d1eb6SVladimir Kondratiev ether_addr_equal(wil->sta[i].addr, mac)) { 10013df2cd36SVladimir Kondratiev rc = i; 10023df2cd36SVladimir Kondratiev break; 10033df2cd36SVladimir Kondratiev } 10043df2cd36SVladimir Kondratiev } 10053df2cd36SVladimir Kondratiev 10063df2cd36SVladimir Kondratiev return rc; 10073df2cd36SVladimir Kondratiev } 1008