12be7d22fSVladimir Kondratiev /* 2849a564bSDedy Lansky * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. 32a0efe6aSDedy Lansky * Copyright (c) 2018, The Linux Foundation. All rights reserved. 42be7d22fSVladimir Kondratiev * 52be7d22fSVladimir Kondratiev * Permission to use, copy, modify, and/or distribute this software for any 62be7d22fSVladimir Kondratiev * purpose with or without fee is hereby granted, provided that the above 72be7d22fSVladimir Kondratiev * copyright notice and this permission notice appear in all copies. 82be7d22fSVladimir Kondratiev * 92be7d22fSVladimir Kondratiev * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 102be7d22fSVladimir Kondratiev * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 112be7d22fSVladimir Kondratiev * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 122be7d22fSVladimir Kondratiev * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 132be7d22fSVladimir Kondratiev * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 142be7d22fSVladimir Kondratiev * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 152be7d22fSVladimir Kondratiev * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 162be7d22fSVladimir Kondratiev */ 172be7d22fSVladimir Kondratiev 182be7d22fSVladimir Kondratiev #include <linux/moduleparam.h> 192be7d22fSVladimir Kondratiev #include <linux/if_arp.h> 20108d1eb6SVladimir Kondratiev #include <linux/etherdevice.h> 212be7d22fSVladimir Kondratiev 222be7d22fSVladimir Kondratiev #include "wil6210.h" 23b4490f42SVladimir Kondratiev #include "txrx.h" 24f172b563SDedy Lansky #include "wmi.h" 25f1ad8c93SVladimir Kondratiev #include "boot_loader.h" 26f172b563SDedy Lansky 27349214c1SMaya Erez #define WAIT_FOR_HALP_VOTE_MS 100 28035859a5SMaya Erez #define WAIT_FOR_SCAN_ABORT_MS 1000 29349214c1SMaya Erez 30bfc2dc7aSVladimir Kondratiev bool debug_fw; /* = false; */ 3178484c44SMaya Erez module_param(debug_fw, bool, 0444); 32bfc2dc7aSVladimir Kondratiev MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); 33bfc2dc7aSVladimir Kondratiev 34b8c31b5dSLior David static u8 oob_mode; 35b8c31b5dSLior David module_param(oob_mode, byte, 0444); 361f1a361aSLior David MODULE_PARM_DESC(oob_mode, 371f1a361aSLior David " enable out of the box (OOB) mode in FW, for diagnostics and certification"); 381f1a361aSLior David 39c33407a8SVladimir Kondratiev bool no_fw_recovery; 4078484c44SMaya Erez module_param(no_fw_recovery, bool, 0644); 41c33407a8SVladimir Kondratiev MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); 42ed6f9dc6SVladimir Kondratiev 43ab954628SVladimir Kondratiev /* if not set via modparam, will be set to default value of 1/8 of 44ab954628SVladimir Kondratiev * rx ring size during init flow 45ab954628SVladimir Kondratiev */ 46ab954628SVladimir Kondratiev unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; 4778484c44SMaya Erez module_param(rx_ring_overflow_thrsh, ushort, 0444); 48ab954628SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_overflow_thrsh, 49ab954628SVladimir Kondratiev " RX ring overflow threshold in descriptors."); 50b6b1b0ecSVladimir Kondratiev 519a06bec9SVladimir Kondratiev /* We allow allocation of more than 1 page buffers to support large packets. 529a06bec9SVladimir Kondratiev * It is suboptimal behavior performance wise in case MTU above page size. 539a06bec9SVladimir Kondratiev */ 54c44690a1SVladimir Kondratiev unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; 559a06bec9SVladimir Kondratiev static int mtu_max_set(const char *val, const struct kernel_param *kp) 569a06bec9SVladimir Kondratiev { 579a06bec9SVladimir Kondratiev int ret; 589a06bec9SVladimir Kondratiev 599a06bec9SVladimir Kondratiev /* sets mtu_max directly. no need to restore it in case of 609a06bec9SVladimir Kondratiev * illegal value since we assume this will fail insmod 619a06bec9SVladimir Kondratiev */ 629a06bec9SVladimir Kondratiev ret = param_set_uint(val, kp); 639a06bec9SVladimir Kondratiev if (ret) 649a06bec9SVladimir Kondratiev return ret; 659a06bec9SVladimir Kondratiev 664590d812SVladimir Kondratiev if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) 679a06bec9SVladimir Kondratiev ret = -EINVAL; 689a06bec9SVladimir Kondratiev 699a06bec9SVladimir Kondratiev return ret; 709a06bec9SVladimir Kondratiev } 719a06bec9SVladimir Kondratiev 729c27847dSLuis R. Rodriguez static const struct kernel_param_ops mtu_max_ops = { 739a06bec9SVladimir Kondratiev .set = mtu_max_set, 749a06bec9SVladimir Kondratiev .get = param_get_uint, 759a06bec9SVladimir Kondratiev }; 769a06bec9SVladimir Kondratiev 7778484c44SMaya Erez module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444); 789a06bec9SVladimir Kondratiev MODULE_PARM_DESC(mtu_max, " Max MTU value."); 799a06bec9SVladimir Kondratiev 80d3762b40SVladimir Kondratiev static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT; 81d3762b40SVladimir Kondratiev static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; 8241d6b093SVladimir Kondratiev static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; 83d3762b40SVladimir Kondratiev 84d3762b40SVladimir Kondratiev static int ring_order_set(const char *val, const struct kernel_param *kp) 85d3762b40SVladimir Kondratiev { 86d3762b40SVladimir Kondratiev int ret; 87d3762b40SVladimir Kondratiev uint x; 88d3762b40SVladimir Kondratiev 89d3762b40SVladimir Kondratiev ret = kstrtouint(val, 0, &x); 90d3762b40SVladimir Kondratiev if (ret) 91d3762b40SVladimir Kondratiev return ret; 92d3762b40SVladimir Kondratiev 93d3762b40SVladimir Kondratiev if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) 94d3762b40SVladimir Kondratiev return -EINVAL; 95d3762b40SVladimir Kondratiev 96d3762b40SVladimir Kondratiev *((uint *)kp->arg) = x; 97d3762b40SVladimir Kondratiev 98d3762b40SVladimir Kondratiev return 0; 99d3762b40SVladimir Kondratiev } 100d3762b40SVladimir Kondratiev 1019c27847dSLuis R. Rodriguez static const struct kernel_param_ops ring_order_ops = { 102d3762b40SVladimir Kondratiev .set = ring_order_set, 103d3762b40SVladimir Kondratiev .get = param_get_uint, 104d3762b40SVladimir Kondratiev }; 105d3762b40SVladimir Kondratiev 10678484c44SMaya Erez module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444); 107d3762b40SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); 10878484c44SMaya Erez module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444); 109d3762b40SVladimir Kondratiev MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); 11078484c44SMaya Erez module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); 111d507d1b7SVladimir Kondratiev MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); 112d3762b40SVladimir Kondratiev 113520d68e7SVladimir Kondratiev #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ 114520d68e7SVladimir Kondratiev #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ 115520d68e7SVladimir Kondratiev 1162be7d22fSVladimir Kondratiev /* 1172be7d22fSVladimir Kondratiev * Due to a hardware issue, 1182be7d22fSVladimir Kondratiev * one has to read/write to/from NIC in 32-bit chunks; 1192be7d22fSVladimir Kondratiev * regular memcpy_fromio and siblings will 1202be7d22fSVladimir Kondratiev * not work on 64-bit platform - it uses 64-bit transactions 1212be7d22fSVladimir Kondratiev * 1222be7d22fSVladimir Kondratiev * Force 32-bit transactions to enable NIC on 64-bit platforms 1232be7d22fSVladimir Kondratiev * 1242be7d22fSVladimir Kondratiev * To avoid byte swap on big endian host, __raw_{read|write}l 1252be7d22fSVladimir Kondratiev * should be used - {read|write}l would swap bytes to provide 1262be7d22fSVladimir Kondratiev * little endian on PCI value in host endianness. 1272be7d22fSVladimir Kondratiev */ 1282be7d22fSVladimir Kondratiev void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, 1292be7d22fSVladimir Kondratiev size_t count) 1302be7d22fSVladimir Kondratiev { 1312be7d22fSVladimir Kondratiev u32 *d = dst; 1322be7d22fSVladimir Kondratiev const volatile u32 __iomem *s = src; 1332be7d22fSVladimir Kondratiev 1340f6edfe2SDedy Lansky for (; count >= 4; count -= 4) 1352be7d22fSVladimir Kondratiev *d++ = __raw_readl(s++); 1360f6edfe2SDedy Lansky 1370f6edfe2SDedy Lansky if (unlikely(count)) { 1380f6edfe2SDedy Lansky /* count can be 1..3 */ 1390f6edfe2SDedy Lansky u32 tmp = __raw_readl(s); 1400f6edfe2SDedy Lansky 1410f6edfe2SDedy Lansky memcpy(d, &tmp, count); 1420f6edfe2SDedy Lansky } 1432be7d22fSVladimir Kondratiev } 1442be7d22fSVladimir Kondratiev 1452be7d22fSVladimir Kondratiev void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, 1462be7d22fSVladimir Kondratiev size_t count) 1472be7d22fSVladimir Kondratiev { 1482be7d22fSVladimir Kondratiev volatile u32 __iomem *d = dst; 1492be7d22fSVladimir Kondratiev const u32 *s = src; 1502be7d22fSVladimir Kondratiev 1510f6edfe2SDedy Lansky for (; count >= 4; count -= 4) 1522be7d22fSVladimir Kondratiev __raw_writel(*s++, d++); 1530f6edfe2SDedy Lansky 1540f6edfe2SDedy Lansky if (unlikely(count)) { 1550f6edfe2SDedy Lansky /* count can be 1..3 */ 1560f6edfe2SDedy Lansky u32 tmp = 0; 1570f6edfe2SDedy Lansky 1580f6edfe2SDedy Lansky memcpy(&tmp, s, count); 1590f6edfe2SDedy Lansky __raw_writel(tmp, d); 1600f6edfe2SDedy Lansky } 1612be7d22fSVladimir Kondratiev } 1622be7d22fSVladimir Kondratiev 163e00243faSLior David static void wil_disconnect_cid(struct wil6210_vif *vif, int cid, 1644821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 165bd33273bSVladimir Kondratiev __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 1662be7d22fSVladimir Kondratiev { 16791886b0bSVladimir Kondratiev uint i; 168e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 169e00243faSLior David struct net_device *ndev = vif_to_ndev(vif); 170e00243faSLior David struct wireless_dev *wdev = vif_to_wdev(vif); 171b4490f42SVladimir Kondratiev struct wil_sta_info *sta = &wil->sta[cid]; 1728fe59627SVladimir Kondratiev 173bd33273bSVladimir Kondratiev might_sleep(); 174e00243faSLior David wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n", 175e00243faSLior David cid, sta->mid, sta->status); 17658527421SVladimir Kondratiev /* inform upper/lower layers */ 1774d55a0a1SVladimir Kondratiev if (sta->status != wil_sta_unused) { 1785bd60982SLior David if (vif->mid != sta->mid) { 1795bd60982SLior David wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", 1805bd60982SLior David vif->mid); 1815bd60982SLior David /* let FW override sta->mid but be more strict with 1825bd60982SLior David * user space requests 1835bd60982SLior David */ 1845bd60982SLior David if (!from_event) 1855bd60982SLior David return; 1865bd60982SLior David } 187849a564bSDedy Lansky if (!from_event) { 188849a564bSDedy Lansky bool del_sta = (wdev->iftype == NL80211_IFTYPE_AP) ? 189849a564bSDedy Lansky disable_ap_sme : false; 190e00243faSLior David wmi_disconnect_sta(vif, sta->addr, reason_code, 191849a564bSDedy Lansky true, del_sta); 192849a564bSDedy Lansky } 193b516fcc5SVladimir Kondratiev 194fc58f681SVladimir Kondratiev switch (wdev->iftype) { 195fc58f681SVladimir Kondratiev case NL80211_IFTYPE_AP: 196fc58f681SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 197fc58f681SVladimir Kondratiev /* AP-like interface */ 198fc58f681SVladimir Kondratiev cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); 199fc58f681SVladimir Kondratiev break; 200fc58f681SVladimir Kondratiev default: 201fc58f681SVladimir Kondratiev break; 202fc58f681SVladimir Kondratiev } 2034d55a0a1SVladimir Kondratiev sta->status = wil_sta_unused; 204e00243faSLior David sta->mid = U8_MAX; 2054d55a0a1SVladimir Kondratiev } 20658527421SVladimir Kondratiev /* reorder buffers */ 207b4490f42SVladimir Kondratiev for (i = 0; i < WIL_STA_TID_NUM; i++) { 208ec81b5adSDedy Lansky struct wil_tid_ampdu_rx *r; 209ec81b5adSDedy Lansky 210bd33273bSVladimir Kondratiev spin_lock_bh(&sta->tid_rx_lock); 211ec81b5adSDedy Lansky 212ec81b5adSDedy Lansky r = sta->tid_rx[i]; 213b4490f42SVladimir Kondratiev sta->tid_rx[i] = NULL; 214b4490f42SVladimir Kondratiev wil_tid_ampdu_rx_free(wil, r); 215ec81b5adSDedy Lansky 216bd33273bSVladimir Kondratiev spin_unlock_bh(&sta->tid_rx_lock); 217b4490f42SVladimir Kondratiev } 21858527421SVladimir Kondratiev /* crypto context */ 21958527421SVladimir Kondratiev memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); 22058527421SVladimir Kondratiev memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); 22158527421SVladimir Kondratiev /* release vrings */ 22210590c6aSGidon Studinski for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) { 22310590c6aSGidon Studinski if (wil->ring2cid_tid[i][0] == cid) 22410590c6aSGidon Studinski wil_ring_fini_tx(wil, i); 22591886b0bSVladimir Kondratiev } 22658527421SVladimir Kondratiev /* statistics */ 22791886b0bSVladimir Kondratiev memset(&sta->stats, 0, sizeof(sta->stats)); 228b4490f42SVladimir Kondratiev } 229b4490f42SVladimir Kondratiev 230e00243faSLior David static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid) 23154eaa8c6SMaya Erez { 23254eaa8c6SMaya Erez int i; 23354eaa8c6SMaya Erez 23454eaa8c6SMaya Erez for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 235e00243faSLior David if (wil->sta[i].mid == mid && 236e00243faSLior David wil->sta[i].status == wil_sta_connected) 23754eaa8c6SMaya Erez return true; 23854eaa8c6SMaya Erez } 23954eaa8c6SMaya Erez 24054eaa8c6SMaya Erez return false; 24154eaa8c6SMaya Erez } 24254eaa8c6SMaya Erez 243e00243faSLior David static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 2444821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 24591886b0bSVladimir Kondratiev { 246e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 24791886b0bSVladimir Kondratiev int cid = -ENOENT; 248e00243faSLior David struct net_device *ndev; 249e00243faSLior David struct wireless_dev *wdev; 25091886b0bSVladimir Kondratiev 251e00243faSLior David if (unlikely(!vif)) 2522690c4c0SLior David return; 2532690c4c0SLior David 254e00243faSLior David ndev = vif_to_ndev(vif); 255e00243faSLior David wdev = vif_to_wdev(vif); 256e00243faSLior David 25791886b0bSVladimir Kondratiev might_sleep(); 258af3db60aSLazar Alexei wil_info(wil, "bssid=%pM, reason=%d, ev%s\n", bssid, 259100106d7SVladimir Kondratiev reason_code, from_event ? "+" : "-"); 26091886b0bSVladimir Kondratiev 261100106d7SVladimir Kondratiev /* Cases are: 262100106d7SVladimir Kondratiev * - disconnect single STA, still connected 263100106d7SVladimir Kondratiev * - disconnect single STA, already disconnected 264100106d7SVladimir Kondratiev * - disconnect all 265100106d7SVladimir Kondratiev * 26668682b41SVladimir Kondratiev * For "disconnect all", there are 3 options: 267100106d7SVladimir Kondratiev * - bssid == NULL 26868682b41SVladimir Kondratiev * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 269100106d7SVladimir Kondratiev * - bssid is our MAC address 270100106d7SVladimir Kondratiev */ 27168682b41SVladimir Kondratiev if (bssid && !is_broadcast_ether_addr(bssid) && 27268682b41SVladimir Kondratiev !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 273e00243faSLior David cid = wil_find_cid(wil, vif->mid, bssid); 274100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", 275100106d7SVladimir Kondratiev bssid, cid, reason_code); 27691886b0bSVladimir Kondratiev if (cid >= 0) /* disconnect 1 peer */ 277e00243faSLior David wil_disconnect_cid(vif, cid, reason_code, from_event); 278100106d7SVladimir Kondratiev } else { /* all */ 279100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect all\n"); 28091886b0bSVladimir Kondratiev for (cid = 0; cid < WIL6210_MAX_CID; cid++) 281e00243faSLior David wil_disconnect_cid(vif, cid, reason_code, from_event); 282100106d7SVladimir Kondratiev } 28391886b0bSVladimir Kondratiev 28491886b0bSVladimir Kondratiev /* link state */ 28591886b0bSVladimir Kondratiev switch (wdev->iftype) { 28691886b0bSVladimir Kondratiev case NL80211_IFTYPE_STATION: 28791886b0bSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 288e00243faSLior David wil_bcast_fini(vif); 2895bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 290c5e96c91SDedy Lansky netif_carrier_off(ndev); 2915bd60982SLior David if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 2929953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 293c5e96c91SDedy Lansky 2945bd60982SLior David if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) { 2955bd60982SLior David atomic_dec(&wil->connected_vifs); 2964821e6d8SVladimir Kondratiev cfg80211_disconnected(ndev, reason_code, 2973b56c15fSDedy Lansky NULL, 0, 298e00243faSLior David vif->locally_generated_disc, 2993b56c15fSDedy Lansky GFP_KERNEL); 300e00243faSLior David vif->locally_generated_disc = false; 3015bd60982SLior David } else if (test_bit(wil_vif_fwconnecting, vif->status)) { 3022be7d22fSVladimir Kondratiev cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, 3032be7d22fSVladimir Kondratiev WLAN_STATUS_UNSPECIFIED_FAILURE, 3042be7d22fSVladimir Kondratiev GFP_KERNEL); 305e00243faSLior David vif->bss = NULL; 3062be7d22fSVladimir Kondratiev } 3075bd60982SLior David clear_bit(wil_vif_fwconnecting, vif->status); 30891886b0bSVladimir Kondratiev break; 30954eaa8c6SMaya Erez case NL80211_IFTYPE_AP: 31054eaa8c6SMaya Erez case NL80211_IFTYPE_P2P_GO: 311e00243faSLior David if (!wil_vif_is_connected(wil, vif->mid)) { 3125bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 3135bd60982SLior David if (test_and_clear_bit(wil_vif_fwconnected, 3145bd60982SLior David vif->status)) 3155bd60982SLior David atomic_dec(&wil->connected_vifs); 316f9e3033fSDedy Lansky } else { 3175bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, false); 318f9e3033fSDedy Lansky } 31954eaa8c6SMaya Erez break; 32091886b0bSVladimir Kondratiev default: 32191886b0bSVladimir Kondratiev break; 32291886b0bSVladimir Kondratiev } 3232be7d22fSVladimir Kondratiev } 3242be7d22fSVladimir Kondratiev 325e00243faSLior David void wil_disconnect_worker(struct work_struct *work) 3262be7d22fSVladimir Kondratiev { 327e00243faSLior David struct wil6210_vif *vif = container_of(work, 328e00243faSLior David struct wil6210_vif, disconnect_worker); 329e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 330e00243faSLior David struct net_device *ndev = vif_to_ndev(vif); 331628639b1SDedy Lansky int rc; 332628639b1SDedy Lansky struct { 333628639b1SDedy Lansky struct wmi_cmd_hdr wmi; 334628639b1SDedy Lansky struct wmi_disconnect_event evt; 335628639b1SDedy Lansky } __packed reply; 3362be7d22fSVladimir Kondratiev 3375bd60982SLior David if (test_bit(wil_vif_fwconnected, vif->status)) 338628639b1SDedy Lansky /* connect succeeded after all */ 339628639b1SDedy Lansky return; 340628639b1SDedy Lansky 3415bd60982SLior David if (!test_bit(wil_vif_fwconnecting, vif->status)) 342628639b1SDedy Lansky /* already disconnected */ 343628639b1SDedy Lansky return; 344628639b1SDedy Lansky 345807b0860SAlexei Avshalom Lazar memset(&reply, 0, sizeof(reply)); 346807b0860SAlexei Avshalom Lazar 347e00243faSLior David rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 348628639b1SDedy Lansky WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 349628639b1SDedy Lansky WIL6210_DISCONNECT_TO_MS); 350628639b1SDedy Lansky if (rc) { 351628639b1SDedy Lansky wil_err(wil, "disconnect error %d\n", rc); 352628639b1SDedy Lansky return; 353628639b1SDedy Lansky } 354628639b1SDedy Lansky 3555bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 356628639b1SDedy Lansky netif_carrier_off(ndev); 357628639b1SDedy Lansky cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0, 358628639b1SDedy Lansky WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); 3595bd60982SLior David clear_bit(wil_vif_fwconnecting, vif->status); 3602be7d22fSVladimir Kondratiev } 3612be7d22fSVladimir Kondratiev 362c33407a8SVladimir Kondratiev static int wil_wait_for_recovery(struct wil6210_priv *wil) 363c33407a8SVladimir Kondratiev { 364c33407a8SVladimir Kondratiev if (wait_event_interruptible(wil->wq, wil->recovery_state != 365c33407a8SVladimir Kondratiev fw_recovery_pending)) { 366c33407a8SVladimir Kondratiev wil_err(wil, "Interrupt, canceling recovery\n"); 367c33407a8SVladimir Kondratiev return -ERESTARTSYS; 368c33407a8SVladimir Kondratiev } 369c33407a8SVladimir Kondratiev if (wil->recovery_state != fw_recovery_running) { 370c33407a8SVladimir Kondratiev wil_info(wil, "Recovery cancelled\n"); 371c33407a8SVladimir Kondratiev return -EINTR; 372c33407a8SVladimir Kondratiev } 373c33407a8SVladimir Kondratiev wil_info(wil, "Proceed with recovery\n"); 374c33407a8SVladimir Kondratiev return 0; 375c33407a8SVladimir Kondratiev } 376c33407a8SVladimir Kondratiev 377c33407a8SVladimir Kondratiev void wil_set_recovery_state(struct wil6210_priv *wil, int state) 378c33407a8SVladimir Kondratiev { 379af3db60aSLazar Alexei wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n", 380c33407a8SVladimir Kondratiev wil->recovery_state, state); 381c33407a8SVladimir Kondratiev 382c33407a8SVladimir Kondratiev wil->recovery_state = state; 383c33407a8SVladimir Kondratiev wake_up_interruptible(&wil->wq); 384c33407a8SVladimir Kondratiev } 385c33407a8SVladimir Kondratiev 386375a173fSLior David bool wil_is_recovery_blocked(struct wil6210_priv *wil) 387375a173fSLior David { 388375a173fSLior David return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); 389375a173fSLior David } 390375a173fSLior David 391ed6f9dc6SVladimir Kondratiev static void wil_fw_error_worker(struct work_struct *work) 392ed6f9dc6SVladimir Kondratiev { 393c33407a8SVladimir Kondratiev struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 394c33407a8SVladimir Kondratiev fw_error_worker); 395e00243faSLior David struct net_device *ndev = wil->main_ndev; 396db5a4d5eSColin Ian King struct wireless_dev *wdev; 397ed6f9dc6SVladimir Kondratiev 398ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "fw error worker\n"); 399ed6f9dc6SVladimir Kondratiev 400e00243faSLior David if (!ndev || !(ndev->flags & IFF_UP)) { 401cded9369SVladimir Kondratiev wil_info(wil, "No recovery - interface is down\n"); 402cded9369SVladimir Kondratiev return; 403cded9369SVladimir Kondratiev } 404db5a4d5eSColin Ian King wdev = ndev->ieee80211_ptr; 405cded9369SVladimir Kondratiev 406fc219eedSVladimir Kondratiev /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO 407fc219eedSVladimir Kondratiev * passed since last recovery attempt 408fc219eedSVladimir Kondratiev */ 409fc219eedSVladimir Kondratiev if (time_is_after_jiffies(wil->last_fw_recovery + 410fc219eedSVladimir Kondratiev WIL6210_FW_RECOVERY_TO)) 411fc219eedSVladimir Kondratiev wil->recovery_count++; 412fc219eedSVladimir Kondratiev else 413fc219eedSVladimir Kondratiev wil->recovery_count = 1; /* fw was alive for a long time */ 414fc219eedSVladimir Kondratiev 415fc219eedSVladimir Kondratiev if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { 416fc219eedSVladimir Kondratiev wil_err(wil, "too many recovery attempts (%d), giving up\n", 417fc219eedSVladimir Kondratiev wil->recovery_count); 418fc219eedSVladimir Kondratiev return; 419fc219eedSVladimir Kondratiev } 420fc219eedSVladimir Kondratiev 421fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 422fc219eedSVladimir Kondratiev 423dfb5b098SLior David wil_info(wil, "fw error recovery requested (try %d)...\n", 424dfb5b098SLior David wil->recovery_count); 425dfb5b098SLior David if (!no_fw_recovery) 426dfb5b098SLior David wil->recovery_state = fw_recovery_running; 427dfb5b098SLior David if (wil_wait_for_recovery(wil) != 0) 428dfb5b098SLior David return; 429dfb5b098SLior David 4309c3bde56SVladimir Kondratiev mutex_lock(&wil->mutex); 431e00243faSLior David /* Needs adaptation for multiple VIFs 432e00243faSLior David * need to go over all VIFs and consider the appropriate 433e00243faSLior David * recovery. 434e00243faSLior David */ 435ed6f9dc6SVladimir Kondratiev switch (wdev->iftype) { 436ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_STATION: 437ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 438ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 439dfb5b098SLior David /* silent recovery, upper layers will see disconnect */ 44073d839aeSVladimir Kondratiev __wil_down(wil); 44173d839aeSVladimir Kondratiev __wil_up(wil); 442ed6f9dc6SVladimir Kondratiev break; 443ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_AP: 444ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 445e240537bSVladimir Kondratiev wil_info(wil, "No recovery for AP-like interface\n"); 446ed6f9dc6SVladimir Kondratiev /* recovery in these modes is done by upper layers */ 447ed6f9dc6SVladimir Kondratiev break; 448ed6f9dc6SVladimir Kondratiev default: 449e240537bSVladimir Kondratiev wil_err(wil, "No recovery - unknown interface type %d\n", 450e240537bSVladimir Kondratiev wdev->iftype); 451ed6f9dc6SVladimir Kondratiev break; 452ed6f9dc6SVladimir Kondratiev } 4539c3bde56SVladimir Kondratiev mutex_unlock(&wil->mutex); 454ed6f9dc6SVladimir Kondratiev } 455ed6f9dc6SVladimir Kondratiev 45610590c6aSGidon Studinski static int wil_find_free_ring(struct wil6210_priv *wil) 4579a177384SVladimir Kondratiev { 4589a177384SVladimir Kondratiev int i; 4598fe59627SVladimir Kondratiev 4609a177384SVladimir Kondratiev for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { 46110590c6aSGidon Studinski if (!wil->ring_tx[i].va) 4629a177384SVladimir Kondratiev return i; 4639a177384SVladimir Kondratiev } 4649a177384SVladimir Kondratiev return -EINVAL; 4659a177384SVladimir Kondratiev } 4669a177384SVladimir Kondratiev 467e00243faSLior David int wil_tx_init(struct wil6210_vif *vif, int cid) 4680916d9f2SMaya Erez { 469e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 4700916d9f2SMaya Erez int rc = -EINVAL, ringid; 4710916d9f2SMaya Erez 4720916d9f2SMaya Erez if (cid < 0) { 4730916d9f2SMaya Erez wil_err(wil, "No connection pending\n"); 4740916d9f2SMaya Erez goto out; 4750916d9f2SMaya Erez } 47610590c6aSGidon Studinski ringid = wil_find_free_ring(wil); 4770916d9f2SMaya Erez if (ringid < 0) { 4780916d9f2SMaya Erez wil_err(wil, "No free vring found\n"); 4790916d9f2SMaya Erez goto out; 4800916d9f2SMaya Erez } 4810916d9f2SMaya Erez 48210590c6aSGidon Studinski wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", 483e00243faSLior David cid, vif->mid, ringid); 4840916d9f2SMaya Erez 485e00243faSLior David rc = wil_vring_init_tx(vif, ringid, 1 << tx_ring_order, cid, 0); 4860916d9f2SMaya Erez if (rc) 487e00243faSLior David wil_err(wil, "init TX for CID %d MID %d vring %d failed\n", 488e00243faSLior David cid, vif->mid, ringid); 4890916d9f2SMaya Erez 4900916d9f2SMaya Erez out: 4910916d9f2SMaya Erez return rc; 4920916d9f2SMaya Erez } 4930916d9f2SMaya Erez 494e00243faSLior David int wil_bcast_init(struct wil6210_vif *vif) 49541d6b093SVladimir Kondratiev { 496e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 49710590c6aSGidon Studinski int ri = vif->bcast_ring, rc; 49841d6b093SVladimir Kondratiev 49910590c6aSGidon Studinski if (ri >= 0 && wil->ring_tx[ri].va) 50041d6b093SVladimir Kondratiev return 0; 50141d6b093SVladimir Kondratiev 50210590c6aSGidon Studinski ri = wil_find_free_ring(wil); 50341d6b093SVladimir Kondratiev if (ri < 0) 50441d6b093SVladimir Kondratiev return ri; 50541d6b093SVladimir Kondratiev 50610590c6aSGidon Studinski vif->bcast_ring = ri; 507e00243faSLior David rc = wil_vring_init_bcast(vif, ri, 1 << bcast_ring_order); 508230d8442SVladimir Kondratiev if (rc) 50910590c6aSGidon Studinski vif->bcast_ring = -1; 51041d6b093SVladimir Kondratiev 51141d6b093SVladimir Kondratiev return rc; 51241d6b093SVladimir Kondratiev } 51341d6b093SVladimir Kondratiev 514e00243faSLior David void wil_bcast_fini(struct wil6210_vif *vif) 51541d6b093SVladimir Kondratiev { 516e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 51710590c6aSGidon Studinski int ri = vif->bcast_ring; 51841d6b093SVladimir Kondratiev 51941d6b093SVladimir Kondratiev if (ri < 0) 52041d6b093SVladimir Kondratiev return; 52141d6b093SVladimir Kondratiev 52210590c6aSGidon Studinski vif->bcast_ring = -1; 52310590c6aSGidon Studinski wil_ring_fini_tx(wil, ri); 52441d6b093SVladimir Kondratiev } 52541d6b093SVladimir Kondratiev 5263ada9314SLior David void wil_bcast_fini_all(struct wil6210_priv *wil) 5273ada9314SLior David { 5283ada9314SLior David int i; 5293ada9314SLior David struct wil6210_vif *vif; 5303ada9314SLior David 5313ada9314SLior David for (i = 0; i < wil->max_vifs; i++) { 5323ada9314SLior David vif = wil->vifs[i]; 5333ada9314SLior David if (vif) 5343ada9314SLior David wil_bcast_fini(vif); 5353ada9314SLior David } 5363ada9314SLior David } 5373ada9314SLior David 5382be7d22fSVladimir Kondratiev int wil_priv_init(struct wil6210_priv *wil) 5392be7d22fSVladimir Kondratiev { 540ec81b5adSDedy Lansky uint i; 541ec81b5adSDedy Lansky 542af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_init\n"); 5432be7d22fSVladimir Kondratiev 5443df2cd36SVladimir Kondratiev memset(wil->sta, 0, sizeof(wil->sta)); 545e00243faSLior David for (i = 0; i < WIL6210_MAX_CID; i++) { 546ec81b5adSDedy Lansky spin_lock_init(&wil->sta[i].tid_rx_lock); 547e00243faSLior David wil->sta[i].mid = U8_MAX; 548e00243faSLior David } 5493df2cd36SVladimir Kondratiev 550875e9439SMaya Erez for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) 55110590c6aSGidon Studinski spin_lock_init(&wil->ring_tx_data[i].lock); 552875e9439SMaya Erez 5532be7d22fSVladimir Kondratiev mutex_init(&wil->mutex); 554404bbb3cSLior David mutex_init(&wil->vif_mutex); 5552be7d22fSVladimir Kondratiev mutex_init(&wil->wmi_mutex); 556349214c1SMaya Erez mutex_init(&wil->halp.lock); 5572be7d22fSVladimir Kondratiev 5582be7d22fSVladimir Kondratiev init_completion(&wil->wmi_ready); 55959502647SDedy Lansky init_completion(&wil->wmi_call); 560349214c1SMaya Erez init_completion(&wil->halp.comp); 5612be7d22fSVladimir Kondratiev 5622be7d22fSVladimir Kondratiev INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); 563ed6f9dc6SVladimir Kondratiev INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); 5642be7d22fSVladimir Kondratiev 5652be7d22fSVladimir Kondratiev INIT_LIST_HEAD(&wil->pending_wmi_ev); 5662be7d22fSVladimir Kondratiev spin_lock_init(&wil->wmi_ev_lock); 567f9e3033fSDedy Lansky spin_lock_init(&wil->net_queue_lock); 568c33407a8SVladimir Kondratiev init_waitqueue_head(&wil->wq); 5692be7d22fSVladimir Kondratiev 5702be7d22fSVladimir Kondratiev wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); 5712be7d22fSVladimir Kondratiev if (!wil->wmi_wq) 5722be7d22fSVladimir Kondratiev return -EAGAIN; 5732be7d22fSVladimir Kondratiev 5743277213fSVladimir Kondratiev wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); 5753277213fSVladimir Kondratiev if (!wil->wq_service) 5763277213fSVladimir Kondratiev goto out_wmi_wq; 5772be7d22fSVladimir Kondratiev 578fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 5791f80af2eSVladimir Shulman wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; 5801f80af2eSVladimir Shulman wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; 5811f80af2eSVladimir Shulman wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; 5821f80af2eSVladimir Shulman wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; 583fc219eedSVladimir Kondratiev 584ab954628SVladimir Kondratiev if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) 585ab954628SVladimir Kondratiev rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; 5868b068c03SLazar Alexei 5878b068c03SLazar Alexei wil->ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 5888b068c03SLazar Alexei 589fe9ee51eSMaya Erez wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | 590fe9ee51eSMaya Erez WMI_WAKEUP_TRIGGER_BCAST; 59126234526SMaya Erez memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); 59210590c6aSGidon Studinski wil->ring_idle_trsh = 16; 593fe9ee51eSMaya Erez 594e00243faSLior David wil->reply_mid = U8_MAX; 5954aebd3bdSLior David wil->max_vifs = 1; 596e00243faSLior David 5972be7d22fSVladimir Kondratiev return 0; 5983277213fSVladimir Kondratiev 5993277213fSVladimir Kondratiev out_wmi_wq: 6003277213fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 6013277213fSVladimir Kondratiev 6023277213fSVladimir Kondratiev return -EAGAIN; 6032be7d22fSVladimir Kondratiev } 6042be7d22fSVladimir Kondratiev 6059953a782SLior David void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps) 6069953a782SLior David { 607fe9ee51eSMaya Erez if (wil->platform_ops.bus_request) { 608fe9ee51eSMaya Erez wil->bus_request_kbps = kbps; 6099953a782SLior David wil->platform_ops.bus_request(wil->platform_handle, kbps); 6109953a782SLior David } 611fe9ee51eSMaya Erez } 6129953a782SLior David 613b516fcc5SVladimir Kondratiev /** 614b516fcc5SVladimir Kondratiev * wil6210_disconnect - disconnect one connection 615e00243faSLior David * @vif: virtual interface context 616b516fcc5SVladimir Kondratiev * @bssid: peer to disconnect, NULL to disconnect all 6174821e6d8SVladimir Kondratiev * @reason_code: Reason code for the Disassociation frame 618b516fcc5SVladimir Kondratiev * @from_event: whether is invoked from FW event handler 619b516fcc5SVladimir Kondratiev * 620b516fcc5SVladimir Kondratiev * Disconnect and release associated resources. If invoked not from the 621b516fcc5SVladimir Kondratiev * FW event handler, issue WMI command(s) to trigger MAC disconnect. 622b516fcc5SVladimir Kondratiev */ 623e00243faSLior David void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 6244821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 6252be7d22fSVladimir Kondratiev { 626e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 627e00243faSLior David 628af3db60aSLazar Alexei wil_dbg_misc(wil, "disconnect\n"); 6299cf10d62SVladimir Kondratiev 630e00243faSLior David del_timer_sync(&vif->connect_timer); 631e00243faSLior David _wil6210_disconnect(vif, bssid, reason_code, from_event); 6322be7d22fSVladimir Kondratiev } 6332be7d22fSVladimir Kondratiev 6342be7d22fSVladimir Kondratiev void wil_priv_deinit(struct wil6210_priv *wil) 6352be7d22fSVladimir Kondratiev { 636af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_deinit\n"); 6379cf10d62SVladimir Kondratiev 638c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 639ed6f9dc6SVladimir Kondratiev cancel_work_sync(&wil->fw_error_worker); 6402be7d22fSVladimir Kondratiev wmi_event_flush(wil); 6413277213fSVladimir Kondratiev destroy_workqueue(wil->wq_service); 6422be7d22fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 6432be7d22fSVladimir Kondratiev } 6442be7d22fSVladimir Kondratiev 64570bcc658SLior David static void wil_shutdown_bl(struct wil6210_priv *wil) 64670bcc658SLior David { 64770bcc658SLior David u32 val; 64870bcc658SLior David 64970bcc658SLior David wil_s(wil, RGF_USER_BL + 65070bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 65170bcc658SLior David bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD); 65270bcc658SLior David 65370bcc658SLior David usleep_range(100, 150); 65470bcc658SLior David 65570bcc658SLior David val = wil_r(wil, RGF_USER_BL + 65670bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 65770bcc658SLior David bl_shutdown_handshake)); 65870bcc658SLior David if (val & BL_SHUTDOWN_HS_RTD) { 65970bcc658SLior David wil_dbg_misc(wil, "BL is ready for halt\n"); 66070bcc658SLior David return; 66170bcc658SLior David } 66270bcc658SLior David 66370bcc658SLior David wil_err(wil, "BL did not report ready for halt\n"); 66470bcc658SLior David } 66570bcc658SLior David 66670bcc658SLior David /* this format is used by ARC embedded CPU for instruction memory */ 66770bcc658SLior David static inline u32 ARC_me_imm32(u32 d) 66870bcc658SLior David { 66970bcc658SLior David return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16); 67070bcc658SLior David } 67170bcc658SLior David 67270bcc658SLior David /* defines access to interrupt vectors for wil_freeze_bl */ 67370bcc658SLior David #define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8) 67470bcc658SLior David /* ARC long jump instruction */ 67570bcc658SLior David #define ARC_JAL_INST (0x20200f80) 67670bcc658SLior David 67770bcc658SLior David static void wil_freeze_bl(struct wil6210_priv *wil) 67870bcc658SLior David { 67970bcc658SLior David u32 jal, upc, saved; 68070bcc658SLior David u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3); 68170bcc658SLior David 68270bcc658SLior David jal = wil_r(wil, wil->iccm_base + ivt3); 68370bcc658SLior David if (jal != ARC_me_imm32(ARC_JAL_INST)) { 68470bcc658SLior David wil_dbg_misc(wil, "invalid IVT entry found, skipping\n"); 68570bcc658SLior David return; 68670bcc658SLior David } 68770bcc658SLior David 68870bcc658SLior David /* prevent the target from entering deep sleep 68970bcc658SLior David * and disabling memory access 69070bcc658SLior David */ 69170bcc658SLior David saved = wil_r(wil, RGF_USER_USAGE_8); 69270bcc658SLior David wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP); 69370bcc658SLior David usleep_range(20, 25); /* let the BL process the bit */ 69470bcc658SLior David 69570bcc658SLior David /* redirect to endless loop in the INT_L1 context and let it trap */ 69670bcc658SLior David wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3)); 69770bcc658SLior David usleep_range(20, 25); /* let the BL get into the trap */ 69870bcc658SLior David 69970bcc658SLior David /* verify the BL is frozen */ 70070bcc658SLior David upc = wil_r(wil, RGF_USER_CPU_PC); 70170bcc658SLior David if (upc < ivt3 || (upc > (ivt3 + 8))) 70270bcc658SLior David wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc); 70370bcc658SLior David 70470bcc658SLior David wil_w(wil, RGF_USER_USAGE_8, saved); 70570bcc658SLior David } 70670bcc658SLior David 70770bcc658SLior David static void wil_bl_prepare_halt(struct wil6210_priv *wil) 70870bcc658SLior David { 70970bcc658SLior David u32 tmp, ver; 71070bcc658SLior David 71170bcc658SLior David /* before halting device CPU driver must make sure BL is not accessing 71270bcc658SLior David * host memory. This is done differently depending on BL version: 71370bcc658SLior David * 1. For very old BL versions the procedure is skipped 71470bcc658SLior David * (not supported). 71570bcc658SLior David * 2. For old BL version we use a special trick to freeze the BL 71670bcc658SLior David * 3. For new BL versions we shutdown the BL using handshake procedure. 71770bcc658SLior David */ 71870bcc658SLior David tmp = wil_r(wil, RGF_USER_BL + 71970bcc658SLior David offsetof(struct bl_dedicated_registers_v0, 72070bcc658SLior David boot_loader_struct_version)); 72170bcc658SLior David if (!tmp) { 72277b83829SColin Ian King wil_dbg_misc(wil, "old BL, skipping halt preparation\n"); 72370bcc658SLior David return; 72470bcc658SLior David } 72570bcc658SLior David 72670bcc658SLior David tmp = wil_r(wil, RGF_USER_BL + 72770bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 72870bcc658SLior David bl_shutdown_handshake)); 72970bcc658SLior David ver = BL_SHUTDOWN_HS_PROT_VER(tmp); 73070bcc658SLior David 73170bcc658SLior David if (ver > 0) 73270bcc658SLior David wil_shutdown_bl(wil); 73370bcc658SLior David else 73470bcc658SLior David wil_freeze_bl(wil); 73570bcc658SLior David } 73670bcc658SLior David 737151a9706SVladimir Kondratiev static inline void wil_halt_cpu(struct wil6210_priv *wil) 738151a9706SVladimir Kondratiev { 739485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) { 740485790d0SMaya Erez wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 741485790d0SMaya Erez BIT_USER_USER_CPU_MAN_RST); 742485790d0SMaya Erez wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB, 743485790d0SMaya Erez BIT_USER_MAC_CPU_MAN_RST); 744485790d0SMaya Erez } else { 745b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); 746b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); 747151a9706SVladimir Kondratiev } 748485790d0SMaya Erez } 749151a9706SVladimir Kondratiev 750151a9706SVladimir Kondratiev static inline void wil_release_cpu(struct wil6210_priv *wil) 751151a9706SVladimir Kondratiev { 752151a9706SVladimir Kondratiev /* Start CPU */ 753485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) 754485790d0SMaya Erez wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1); 755485790d0SMaya Erez else 756b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, 1); 757151a9706SVladimir Kondratiev } 758151a9706SVladimir Kondratiev 759b8c31b5dSLior David static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) 7601f1a361aSLior David { 761b8c31b5dSLior David wil_info(wil, "oob_mode to %d\n", mode); 762b8c31b5dSLior David switch (mode) { 763b8c31b5dSLior David case 0: 764b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE | 765b8c31b5dSLior David BIT_USER_OOB_R2_MODE); 766b8c31b5dSLior David break; 767b8c31b5dSLior David case 1: 768b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 7691f1a361aSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 770b8c31b5dSLior David break; 771b8c31b5dSLior David case 2: 7721f1a361aSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 773b8c31b5dSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 774b8c31b5dSLior David break; 775b8c31b5dSLior David default: 776b8c31b5dSLior David wil_err(wil, "invalid oob_mode: %d\n", mode); 777b8c31b5dSLior David } 7781f1a361aSLior David } 7791f1a361aSLior David 7802a0efe6aSDedy Lansky static int wil_target_reset(struct wil6210_priv *wil, int no_flash) 7812be7d22fSVladimir Kondratiev { 78298a65b59SVladimir Kondratiev int delay = 0; 783bb6c8dccSVladimir Kondratiev u32 x, x1 = 0; 78436b10a72SVladimir Kondratiev 7851aeda13bSVladimir Kondratiev wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); 7866508281bSVladimir Kondratiev 7876508281bSVladimir Kondratiev /* Clear MAC link up */ 788b9eeb512SVladimir Kondratiev wil_s(wil, RGF_HP_CTRL, BIT(15)); 789b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD); 790b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); 791151a9706SVladimir Kondratiev 792151a9706SVladimir Kondratiev wil_halt_cpu(wil); 7932be7d22fSVladimir Kondratiev 79470bcc658SLior David if (!no_flash) { 7952cd0f021SVladimir Kondratiev /* clear all boot loader "ready" bits */ 796b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_BL + 7972a0efe6aSDedy Lansky offsetof(struct bl_dedicated_registers_v0, 7982a0efe6aSDedy Lansky boot_loader_ready), 0); 79970bcc658SLior David /* this should be safe to write even with old BLs */ 80070bcc658SLior David wil_w(wil, RGF_USER_BL + 80170bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 80270bcc658SLior David bl_shutdown_handshake), 0); 80370bcc658SLior David } 804cce47711SVladimir Kondratiev /* Clear Fw Download notification */ 805b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_USAGE_6, BIT(0)); 806cce47711SVladimir Kondratiev 807b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); 80848516298SVladimir Kondratiev /* XTAL stabilization should take about 3ms */ 80948516298SVladimir Kondratiev usleep_range(5000, 7000); 810b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); 81148516298SVladimir Kondratiev if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { 81248516298SVladimir Kondratiev wil_err(wil, "Xtal stabilization timeout\n" 81348516298SVladimir Kondratiev "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); 81448516298SVladimir Kondratiev return -ETIME; 81548516298SVladimir Kondratiev } 81648516298SVladimir Kondratiev /* switch 10k to XTAL*/ 817b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); 81848516298SVladimir Kondratiev /* 40 MHz */ 819b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); 82048516298SVladimir Kondratiev 821b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); 822b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); 8236508281bSVladimir Kondratiev 824485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) { 825485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000); 826485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 827485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0); 828485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 829485790d0SMaya Erez } else { 830485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000); 831485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 832b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); 833485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 834485790d0SMaya Erez } 8352be7d22fSVladimir Kondratiev 836b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); 837b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); 8386508281bSVladimir Kondratiev 839b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); 840b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); 841b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); 842b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 8432be7d22fSVladimir Kondratiev 844b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); 845b9eeb512SVladimir Kondratiev /* reset A2 PCIE AHB */ 846b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); 8476508281bSVladimir Kondratiev 848b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 8492be7d22fSVladimir Kondratiev 8502cd0f021SVladimir Kondratiev /* wait until device ready. typical time is 20..80 msec */ 8512a0efe6aSDedy Lansky if (no_flash) 8522a0efe6aSDedy Lansky do { 8532a0efe6aSDedy Lansky msleep(RST_DELAY); 8542a0efe6aSDedy Lansky x = wil_r(wil, USER_EXT_USER_PMU_3); 8552a0efe6aSDedy Lansky if (delay++ > RST_COUNT) { 8562a0efe6aSDedy Lansky wil_err(wil, "Reset not completed, PMU_3 0x%08x\n", 8572a0efe6aSDedy Lansky x); 8582a0efe6aSDedy Lansky return -ETIME; 8592a0efe6aSDedy Lansky } 8602a0efe6aSDedy Lansky } while ((x & BIT_PMU_DEVICE_RDY) == 0); 8612a0efe6aSDedy Lansky else 86236b10a72SVladimir Kondratiev do { 863520d68e7SVladimir Kondratiev msleep(RST_DELAY); 864b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_USER_BL + 865b9eeb512SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 866f1ad8c93SVladimir Kondratiev boot_loader_ready)); 867bb6c8dccSVladimir Kondratiev if (x1 != x) { 8682a0efe6aSDedy Lansky wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", 8692a0efe6aSDedy Lansky x1, x); 870bb6c8dccSVladimir Kondratiev x1 = x; 871bb6c8dccSVladimir Kondratiev } 872520d68e7SVladimir Kondratiev if (delay++ > RST_COUNT) { 8732cd0f021SVladimir Kondratiev wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", 87448516298SVladimir Kondratiev x); 875bbb2adc7SVladimir Kondratiev return -ETIME; 87636b10a72SVladimir Kondratiev } 877f1ad8c93SVladimir Kondratiev } while (x != BL_READY); 87836b10a72SVladimir Kondratiev 879b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); 880972072aaSVladimir Kondratiev 881e3351277SVladimir Kondratiev /* enable fix for HW bug related to the SA/DA swap in AP Rx */ 882b9eeb512SVladimir Kondratiev wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | 883e3351277SVladimir Kondratiev BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); 884e3351277SVladimir Kondratiev 885b8e13b87SMaya Erez if (no_flash) { 886b8e13b87SMaya Erez /* Reset OTP HW vectors to fit 40MHz */ 887b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); 888b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); 889b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1); 890b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027); 891b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003); 892b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002); 893b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001); 894b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001); 895b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001); 896b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001); 897b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); 898b8e13b87SMaya Erez } 899b8e13b87SMaya Erez 900520d68e7SVladimir Kondratiev wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); 901bbb2adc7SVladimir Kondratiev return 0; 902151a9706SVladimir Kondratiev } 9032be7d22fSVladimir Kondratiev 9043fea18d0SLior David static void wil_collect_fw_info(struct wil6210_priv *wil) 9053fea18d0SLior David { 9063fea18d0SLior David struct wiphy *wiphy = wil_to_wiphy(wil); 9073fea18d0SLior David u8 retry_short; 9083fea18d0SLior David int rc; 9093fea18d0SLior David 9103ead1e01SLior David wil_refresh_fw_capabilities(wil); 9113ead1e01SLior David 9123fea18d0SLior David rc = wmi_get_mgmt_retry(wil, &retry_short); 9133fea18d0SLior David if (!rc) { 9143fea18d0SLior David wiphy->retry_short = retry_short; 9153fea18d0SLior David wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short); 9163fea18d0SLior David } 9173fea18d0SLior David } 9183fea18d0SLior David 9193ead1e01SLior David void wil_refresh_fw_capabilities(struct wil6210_priv *wil) 9203ead1e01SLior David { 9213ead1e01SLior David struct wiphy *wiphy = wil_to_wiphy(wil); 922594b59ecSMaya Erez int features; 9233ead1e01SLior David 9243ead1e01SLior David wil->keep_radio_on_during_sleep = 92538e4c25dSMaya Erez test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND, 92638e4c25dSMaya Erez wil->platform_capa) && 9273ead1e01SLior David test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); 9283ead1e01SLior David 9293ead1e01SLior David wil_info(wil, "keep_radio_on_during_sleep (%d)\n", 9303ead1e01SLior David wil->keep_radio_on_during_sleep); 9313ead1e01SLior David 9323ead1e01SLior David if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) 9333ead1e01SLior David wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 9343ead1e01SLior David else 9353ead1e01SLior David wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 936a5dc6883SDedy Lansky 937a5dc6883SDedy Lansky if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) { 938a5dc6883SDedy Lansky wiphy->max_sched_scan_reqs = 1; 939a5dc6883SDedy Lansky wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM; 940a5dc6883SDedy Lansky wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM; 941a5dc6883SDedy Lansky wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN; 942a5dc6883SDedy Lansky wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; 943a5dc6883SDedy Lansky } 944594b59ecSMaya Erez 945594b59ecSMaya Erez if (wil->platform_ops.set_features) { 946594b59ecSMaya Erez features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, 947594b59ecSMaya Erez wil->fw_capabilities) && 948594b59ecSMaya Erez test_bit(WIL_PLATFORM_CAPA_EXT_CLK, 949594b59ecSMaya Erez wil->platform_capa)) ? 950594b59ecSMaya Erez BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; 951594b59ecSMaya Erez 952594b59ecSMaya Erez wil->platform_ops.set_features(wil->platform_handle, features); 953594b59ecSMaya Erez } 9543ead1e01SLior David } 9553ead1e01SLior David 9562be7d22fSVladimir Kondratiev void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) 9572be7d22fSVladimir Kondratiev { 9582be7d22fSVladimir Kondratiev le32_to_cpus(&r->base); 9592be7d22fSVladimir Kondratiev le16_to_cpus(&r->entry_size); 9602be7d22fSVladimir Kondratiev le16_to_cpus(&r->size); 9612be7d22fSVladimir Kondratiev le32_to_cpus(&r->tail); 9622be7d22fSVladimir Kondratiev le32_to_cpus(&r->head); 9632be7d22fSVladimir Kondratiev } 9642be7d22fSVladimir Kondratiev 9652cd0f021SVladimir Kondratiev static int wil_get_bl_info(struct wil6210_priv *wil) 9662cd0f021SVladimir Kondratiev { 967e00243faSLior David struct net_device *ndev = wil->main_ndev; 968b42f1196SHamad Kadmany struct wiphy *wiphy = wil_to_wiphy(wil); 969f1ad8c93SVladimir Kondratiev union { 970f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v0 bl0; 971f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v1 bl1; 972f1ad8c93SVladimir Kondratiev } bl; 973f1ad8c93SVladimir Kondratiev u32 bl_ver; 974f1ad8c93SVladimir Kondratiev u8 *mac; 975f1ad8c93SVladimir Kondratiev u16 rf_status; 9762cd0f021SVladimir Kondratiev 977f1ad8c93SVladimir Kondratiev wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), 97819c871ceSVladimir Kondratiev sizeof(bl)); 97919c871ceSVladimir Kondratiev bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); 98019c871ceSVladimir Kondratiev mac = bl.bl0.mac_address; 98119c871ceSVladimir Kondratiev 98219c871ceSVladimir Kondratiev if (bl_ver == 0) { 983f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.rf_type); 984f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.baseband_type); 985f1ad8c93SVladimir Kondratiev rf_status = 0; /* actually, unknown */ 986f1ad8c93SVladimir Kondratiev wil_info(wil, 987f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", 988f1ad8c93SVladimir Kondratiev bl_ver, mac, 989f1ad8c93SVladimir Kondratiev bl.bl0.rf_type, bl.bl0.baseband_type); 990f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build unknown for struct v0\n"); 99119c871ceSVladimir Kondratiev } else { 992f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.rf_type); 993f1ad8c93SVladimir Kondratiev rf_status = le16_to_cpu(bl.bl1.rf_status); 994f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl1.baseband_type); 995f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_subminor); 996f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_build); 997f1ad8c93SVladimir Kondratiev wil_info(wil, 998f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", 999f1ad8c93SVladimir Kondratiev bl_ver, mac, 1000f1ad8c93SVladimir Kondratiev bl.bl1.rf_type, rf_status, 1001f1ad8c93SVladimir Kondratiev bl.bl1.baseband_type); 1002f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", 1003f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_major, bl.bl1.bl_version_minor, 1004f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); 10052cd0f021SVladimir Kondratiev } 10062cd0f021SVladimir Kondratiev 1007f1ad8c93SVladimir Kondratiev if (!is_valid_ether_addr(mac)) { 1008f1ad8c93SVladimir Kondratiev wil_err(wil, "BL: Invalid MAC %pM\n", mac); 1009f1ad8c93SVladimir Kondratiev return -EINVAL; 1010f1ad8c93SVladimir Kondratiev } 1011f1ad8c93SVladimir Kondratiev 1012f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 1013b42f1196SHamad Kadmany ether_addr_copy(wiphy->perm_addr, mac); 10142cd0f021SVladimir Kondratiev if (!is_valid_ether_addr(ndev->dev_addr)) 1015f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->dev_addr, mac); 1016f1ad8c93SVladimir Kondratiev 1017f1ad8c93SVladimir Kondratiev if (rf_status) {/* bad RF cable? */ 1018f1ad8c93SVladimir Kondratiev wil_err(wil, "RF communication error 0x%04x", 1019f1ad8c93SVladimir Kondratiev rf_status); 1020f1ad8c93SVladimir Kondratiev return -EAGAIN; 1021f1ad8c93SVladimir Kondratiev } 10222cd0f021SVladimir Kondratiev 10232cd0f021SVladimir Kondratiev return 0; 10242cd0f021SVladimir Kondratiev } 10252cd0f021SVladimir Kondratiev 1026409ead54SVladimir Kondratiev static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) 1027409ead54SVladimir Kondratiev { 1028409ead54SVladimir Kondratiev u32 bl_assert_code, bl_assert_blink, bl_magic_number; 1029409ead54SVladimir Kondratiev u32 bl_ver = wil_r(wil, RGF_USER_BL + 1030409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 1031409ead54SVladimir Kondratiev boot_loader_struct_version)); 1032409ead54SVladimir Kondratiev 1033409ead54SVladimir Kondratiev if (bl_ver < 2) 1034409ead54SVladimir Kondratiev return; 1035409ead54SVladimir Kondratiev 1036409ead54SVladimir Kondratiev bl_assert_code = wil_r(wil, RGF_USER_BL + 1037409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1038409ead54SVladimir Kondratiev bl_assert_code)); 1039409ead54SVladimir Kondratiev bl_assert_blink = wil_r(wil, RGF_USER_BL + 1040409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1041409ead54SVladimir Kondratiev bl_assert_blink)); 1042409ead54SVladimir Kondratiev bl_magic_number = wil_r(wil, RGF_USER_BL + 1043409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1044409ead54SVladimir Kondratiev bl_magic_number)); 1045409ead54SVladimir Kondratiev 1046409ead54SVladimir Kondratiev if (is_err) { 1047409ead54SVladimir Kondratiev wil_err(wil, 1048409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1049409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 1050409ead54SVladimir Kondratiev } else { 1051409ead54SVladimir Kondratiev wil_dbg_misc(wil, 1052409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1053409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 1054409ead54SVladimir Kondratiev } 1055409ead54SVladimir Kondratiev } 1056409ead54SVladimir Kondratiev 10572a0efe6aSDedy Lansky static int wil_get_otp_info(struct wil6210_priv *wil) 10582a0efe6aSDedy Lansky { 1059e00243faSLior David struct net_device *ndev = wil->main_ndev; 10602a0efe6aSDedy Lansky struct wiphy *wiphy = wil_to_wiphy(wil); 10612a0efe6aSDedy Lansky u8 mac[8]; 1062485790d0SMaya Erez int mac_addr; 10632a0efe6aSDedy Lansky 1064485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) 1065485790d0SMaya Erez mac_addr = RGF_OTP_MAC_TALYN_MB; 1066485790d0SMaya Erez else 1067485790d0SMaya Erez mac_addr = RGF_OTP_MAC; 1068485790d0SMaya Erez 1069485790d0SMaya Erez wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), 10702a0efe6aSDedy Lansky sizeof(mac)); 10712a0efe6aSDedy Lansky if (!is_valid_ether_addr(mac)) { 10722a0efe6aSDedy Lansky wil_err(wil, "Invalid MAC %pM\n", mac); 10732a0efe6aSDedy Lansky return -EINVAL; 10742a0efe6aSDedy Lansky } 10752a0efe6aSDedy Lansky 10762a0efe6aSDedy Lansky ether_addr_copy(ndev->perm_addr, mac); 10772a0efe6aSDedy Lansky ether_addr_copy(wiphy->perm_addr, mac); 10782a0efe6aSDedy Lansky if (!is_valid_ether_addr(ndev->dev_addr)) 10792a0efe6aSDedy Lansky ether_addr_copy(ndev->dev_addr, mac); 10802a0efe6aSDedy Lansky 10812a0efe6aSDedy Lansky return 0; 10822a0efe6aSDedy Lansky } 10832a0efe6aSDedy Lansky 10842be7d22fSVladimir Kondratiev static int wil_wait_for_fw_ready(struct wil6210_priv *wil) 10852be7d22fSVladimir Kondratiev { 10862be7d22fSVladimir Kondratiev ulong to = msecs_to_jiffies(1000); 10872be7d22fSVladimir Kondratiev ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); 10888fe59627SVladimir Kondratiev 10892be7d22fSVladimir Kondratiev if (0 == left) { 10902be7d22fSVladimir Kondratiev wil_err(wil, "Firmware not ready\n"); 10912be7d22fSVladimir Kondratiev return -ETIME; 10922be7d22fSVladimir Kondratiev } else { 109315e23124SVladimir Kondratiev wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", 109415e23124SVladimir Kondratiev jiffies_to_msecs(to-left), wil->hw_version); 10952be7d22fSVladimir Kondratiev } 10962be7d22fSVladimir Kondratiev return 0; 10972be7d22fSVladimir Kondratiev } 10982be7d22fSVladimir Kondratiev 1099e00243faSLior David void wil_abort_scan(struct wil6210_vif *vif, bool sync) 1100035859a5SMaya Erez { 1101e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 1102035859a5SMaya Erez int rc; 1103035859a5SMaya Erez struct cfg80211_scan_info info = { 1104035859a5SMaya Erez .aborted = true, 1105035859a5SMaya Erez }; 1106035859a5SMaya Erez 1107404bbb3cSLior David lockdep_assert_held(&wil->vif_mutex); 1108035859a5SMaya Erez 1109e00243faSLior David if (!vif->scan_request) 1110035859a5SMaya Erez return; 1111035859a5SMaya Erez 1112e00243faSLior David wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request); 1113e00243faSLior David del_timer_sync(&vif->scan_timer); 1114404bbb3cSLior David mutex_unlock(&wil->vif_mutex); 1115e00243faSLior David rc = wmi_abort_scan(vif); 1116035859a5SMaya Erez if (!rc && sync) 1117e00243faSLior David wait_event_interruptible_timeout(wil->wq, !vif->scan_request, 1118035859a5SMaya Erez msecs_to_jiffies( 1119035859a5SMaya Erez WAIT_FOR_SCAN_ABORT_MS)); 1120035859a5SMaya Erez 1121404bbb3cSLior David mutex_lock(&wil->vif_mutex); 1122e00243faSLior David if (vif->scan_request) { 1123e00243faSLior David cfg80211_scan_done(vif->scan_request, &info); 1124e00243faSLior David vif->scan_request = NULL; 1125035859a5SMaya Erez } 1126035859a5SMaya Erez } 1127035859a5SMaya Erez 11285bd60982SLior David void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync) 11295bd60982SLior David { 11305bd60982SLior David int i; 11315bd60982SLior David 11325bd60982SLior David lockdep_assert_held(&wil->vif_mutex); 11335bd60982SLior David 11345bd60982SLior David for (i = 0; i < wil->max_vifs; i++) { 11355bd60982SLior David struct wil6210_vif *vif = wil->vifs[i]; 11365bd60982SLior David 11375bd60982SLior David if (vif) 11385bd60982SLior David wil_abort_scan(vif, sync); 11395bd60982SLior David } 11405bd60982SLior David } 11415bd60982SLior David 11428b068c03SLazar Alexei int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) 11438b068c03SLazar Alexei { 11448b068c03SLazar Alexei int rc; 11458b068c03SLazar Alexei 11468b068c03SLazar Alexei if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { 11478b068c03SLazar Alexei wil_err(wil, "set_power_mgmt not supported\n"); 11488b068c03SLazar Alexei return -EOPNOTSUPP; 11498b068c03SLazar Alexei } 11508b068c03SLazar Alexei 11518b068c03SLazar Alexei rc = wmi_ps_dev_profile_cfg(wil, ps_profile); 11528b068c03SLazar Alexei if (rc) 11538b068c03SLazar Alexei wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); 11548b068c03SLazar Alexei else 11558b068c03SLazar Alexei wil->ps_profile = ps_profile; 11568b068c03SLazar Alexei 11578b068c03SLazar Alexei return rc; 11588b068c03SLazar Alexei } 11598b068c03SLazar Alexei 11601490846dSDedy Lansky static void wil_pre_fw_config(struct wil6210_priv *wil) 11611490846dSDedy Lansky { 11621490846dSDedy Lansky /* Mark FW as loaded from host */ 11631490846dSDedy Lansky wil_s(wil, RGF_USER_USAGE_6, 1); 11641490846dSDedy Lansky 11651490846dSDedy Lansky /* clear any interrupts which on-card-firmware 11661490846dSDedy Lansky * may have set 11671490846dSDedy Lansky */ 11681490846dSDedy Lansky wil6210_clear_irq(wil); 11691490846dSDedy Lansky /* CAF_ICR - clear and mask */ 11701490846dSDedy Lansky /* it is W1C, clear by writing back same value */ 11711490846dSDedy Lansky wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); 11721490846dSDedy Lansky wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); 1173485790d0SMaya Erez /* clear PAL_UNIT_ICR (potential D0->D3 leftover) 1174485790d0SMaya Erez * In Talyn-MB host cannot access this register due to 1175485790d0SMaya Erez * access control, hence PAL_UNIT_ICR is cleared by the FW 1176485790d0SMaya Erez */ 1177485790d0SMaya Erez if (wil->hw_version < HW_VER_TALYN_MB) 1178485790d0SMaya Erez wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 1179485790d0SMaya Erez 0); 11801490846dSDedy Lansky 11811490846dSDedy Lansky if (wil->fw_calib_result > 0) { 11821490846dSDedy Lansky __le32 val = cpu_to_le32(wil->fw_calib_result | 11831490846dSDedy Lansky (CALIB_RESULT_SIGNATURE << 8)); 11841490846dSDedy Lansky wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val); 11851490846dSDedy Lansky } 11861490846dSDedy Lansky } 11871490846dSDedy Lansky 11884aebd3bdSLior David static int wil_restore_vifs(struct wil6210_priv *wil) 11894aebd3bdSLior David { 11904aebd3bdSLior David struct wil6210_vif *vif; 11914aebd3bdSLior David struct net_device *ndev; 11924aebd3bdSLior David struct wireless_dev *wdev; 11934aebd3bdSLior David int i, rc; 11944aebd3bdSLior David 11954aebd3bdSLior David for (i = 0; i < wil->max_vifs; i++) { 11964aebd3bdSLior David vif = wil->vifs[i]; 11974aebd3bdSLior David if (!vif) 11984aebd3bdSLior David continue; 11995bd60982SLior David vif->ap_isolate = 0; 12004aebd3bdSLior David if (vif->mid) { 12014aebd3bdSLior David ndev = vif_to_ndev(vif); 12024aebd3bdSLior David wdev = vif_to_wdev(vif); 12034aebd3bdSLior David rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, 12044aebd3bdSLior David wdev->iftype); 12054aebd3bdSLior David if (rc) { 12064aebd3bdSLior David wil_err(wil, "fail to restore VIF %d type %d, rc %d\n", 12074aebd3bdSLior David i, wdev->iftype, rc); 12084aebd3bdSLior David return rc; 12094aebd3bdSLior David } 12104aebd3bdSLior David } 12114aebd3bdSLior David } 12124aebd3bdSLior David 12134aebd3bdSLior David return 0; 12144aebd3bdSLior David } 12154aebd3bdSLior David 12162be7d22fSVladimir Kondratiev /* 12172be7d22fSVladimir Kondratiev * We reset all the structures, and we reset the UMAC. 12182be7d22fSVladimir Kondratiev * After calling this routine, you're expected to reload 12192be7d22fSVladimir Kondratiev * the firmware. 12202be7d22fSVladimir Kondratiev */ 12212cd0f021SVladimir Kondratiev int wil_reset(struct wil6210_priv *wil, bool load_fw) 12222be7d22fSVladimir Kondratiev { 12235bd60982SLior David int rc, i; 1224a8fd16d7SMaya Erez unsigned long status_flags = BIT(wil_status_resetting); 12252a0efe6aSDedy Lansky int no_flash; 12265bd60982SLior David struct wil6210_vif *vif; 12272be7d22fSVladimir Kondratiev 1228af3db60aSLazar Alexei wil_dbg_misc(wil, "reset\n"); 12299cf10d62SVladimir Kondratiev 1230097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 12319419b6a2SVladimir Kondratiev WARN_ON(test_bit(wil_status_napi_en, wil->status)); 1232097638a0SVladimir Kondratiev 1233bfc2dc7aSVladimir Kondratiev if (debug_fw) { 1234bfc2dc7aSVladimir Kondratiev static const u8 mac[ETH_ALEN] = { 1235bfc2dc7aSVladimir Kondratiev 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, 1236bfc2dc7aSVladimir Kondratiev }; 1237e00243faSLior David struct net_device *ndev = wil->main_ndev; 1238bfc2dc7aSVladimir Kondratiev 1239bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 1240bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->dev_addr, ndev->perm_addr); 1241bfc2dc7aSVladimir Kondratiev return 0; 1242bfc2dc7aSVladimir Kondratiev } 1243bfc2dc7aSVladimir Kondratiev 124467131a1dSVladimir Kondratiev if (wil->hw_version == HW_VER_UNKNOWN) 124567131a1dSVladimir Kondratiev return -ENODEV; 124667131a1dSVladimir Kondratiev 124738e4c25dSMaya Erez if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa)) { 124838e4c25dSMaya Erez wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n"); 124938e4c25dSMaya Erez wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0); 125038e4c25dSMaya Erez } 125138e4c25dSMaya Erez 125238e4c25dSMaya Erez if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) { 125338e4c25dSMaya Erez wil_dbg_misc(wil, "Notify FW on ext clock configuration\n"); 125438e4c25dSMaya Erez wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK); 125538e4c25dSMaya Erez } 125638e4c25dSMaya Erez 12575f0823efSMaya Erez if (wil->platform_ops.notify) { 12585f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 12595f0823efSMaya Erez WIL_PLATFORM_EVT_PRE_RESET); 12605f0823efSMaya Erez if (rc) 1261af3db60aSLazar Alexei wil_err(wil, "PRE_RESET platform notify failed, rc %d\n", 1262af3db60aSLazar Alexei rc); 12635f0823efSMaya Erez } 12645f0823efSMaya Erez 1265f13e0630SHamad Kadmany set_bit(wil_status_resetting, wil->status); 1266a8fd16d7SMaya Erez if (test_bit(wil_status_collecting_dumps, wil->status)) { 1267a8fd16d7SMaya Erez /* Device collects crash dump, cancel the reset. 1268a8fd16d7SMaya Erez * following crash dump collection, reset would take place. 1269a8fd16d7SMaya Erez */ 1270a8fd16d7SMaya Erez wil_dbg_misc(wil, "reject reset while collecting crash dump\n"); 1271a8fd16d7SMaya Erez rc = -EBUSY; 1272a8fd16d7SMaya Erez goto out; 1273a8fd16d7SMaya Erez } 1274f13e0630SHamad Kadmany 12755bd60982SLior David mutex_lock(&wil->vif_mutex); 12765bd60982SLior David wil_abort_scan_all_vifs(wil, false); 12775bd60982SLior David mutex_unlock(&wil->vif_mutex); 12785bd60982SLior David 12795bd60982SLior David for (i = 0; i < wil->max_vifs; i++) { 12805bd60982SLior David vif = wil->vifs[i]; 12815bd60982SLior David if (vif) { 1282e00243faSLior David cancel_work_sync(&vif->disconnect_worker); 12835bd60982SLior David wil6210_disconnect(vif, NULL, 12845bd60982SLior David WLAN_REASON_DEAUTH_LEAVING, false); 12855bd60982SLior David } 12865bd60982SLior David } 12873ada9314SLior David wil_bcast_fini_all(wil); 1288097638a0SVladimir Kondratiev 128910d599adSMaya Erez /* Disable device led before reset*/ 129010d599adSMaya Erez wmi_led_cfg(wil, false); 129110d599adSMaya Erez 1292452133a7SMaya Erez /* prevent NAPI from being scheduled and prevent wmi commands */ 1293452133a7SMaya Erez mutex_lock(&wil->wmi_mutex); 1294a8fd16d7SMaya Erez if (test_bit(wil_status_suspending, wil->status)) 1295a8fd16d7SMaya Erez status_flags |= BIT(wil_status_suspending); 1296a8fd16d7SMaya Erez bitmap_and(wil->status, wil->status, &status_flags, 1297a8fd16d7SMaya Erez wil_status_last); 1298a8fd16d7SMaya Erez wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status); 1299452133a7SMaya Erez mutex_unlock(&wil->wmi_mutex); 13000fef1818SVladimir Kondratiev 1301e4dbb093SVladimir Kondratiev wil_mask_irq(wil); 13022be7d22fSVladimir Kondratiev 1303e08b5906SVladimir Kondratiev wmi_event_flush(wil); 1304e08b5906SVladimir Kondratiev 13053277213fSVladimir Kondratiev flush_workqueue(wil->wq_service); 1306e08b5906SVladimir Kondratiev flush_workqueue(wil->wmi_wq); 1307e08b5906SVladimir Kondratiev 13082a0efe6aSDedy Lansky no_flash = test_bit(hw_capa_no_flash, wil->hw_capa); 13092a0efe6aSDedy Lansky if (!no_flash) 1310409ead54SVladimir Kondratiev wil_bl_crash_info(wil, false); 13113ee908dcSHamad Kadmany wil_disable_irq(wil); 13122a0efe6aSDedy Lansky rc = wil_target_reset(wil, no_flash); 13133ee908dcSHamad Kadmany wil6210_clear_irq(wil); 13143ee908dcSHamad Kadmany wil_enable_irq(wil); 13158bf6adb9SVladimir Kondratiev wil_rx_fini(wil); 1316409ead54SVladimir Kondratiev if (rc) { 13172a0efe6aSDedy Lansky if (!no_flash) 1318409ead54SVladimir Kondratiev wil_bl_crash_info(wil, true); 1319a8fd16d7SMaya Erez goto out; 1320409ead54SVladimir Kondratiev } 1321bbb2adc7SVladimir Kondratiev 13222a0efe6aSDedy Lansky if (no_flash) { 13232a0efe6aSDedy Lansky rc = wil_get_otp_info(wil); 13242a0efe6aSDedy Lansky } else { 13252cd0f021SVladimir Kondratiev rc = wil_get_bl_info(wil); 13262a0efe6aSDedy Lansky if (rc == -EAGAIN && !load_fw) 13272a0efe6aSDedy Lansky /* ignore RF error if not going up */ 1328f1ad8c93SVladimir Kondratiev rc = 0; 13292a0efe6aSDedy Lansky } 13302cd0f021SVladimir Kondratiev if (rc) 1331a8fd16d7SMaya Erez goto out; 13322cd0f021SVladimir Kondratiev 13331f1a361aSLior David wil_set_oob_mode(wil, oob_mode); 13342cd0f021SVladimir Kondratiev if (load_fw) { 1335a351f2f5SLazar Alexei wil_info(wil, "Use firmware <%s> + board <%s>\n", 1336a351f2f5SLazar Alexei wil->wil_fw_name, WIL_BOARD_FILE_NAME); 13372cd0f021SVladimir Kondratiev 133870bcc658SLior David if (!no_flash) 133970bcc658SLior David wil_bl_prepare_halt(wil); 134070bcc658SLior David 1341151a9706SVladimir Kondratiev wil_halt_cpu(wil); 134213cd9f75SLior David memset(wil->fw_version, 0, sizeof(wil->fw_version)); 1343151a9706SVladimir Kondratiev /* Loading f/w from the file */ 1344a351f2f5SLazar Alexei rc = wil_request_firmware(wil, wil->wil_fw_name, true); 1345151a9706SVladimir Kondratiev if (rc) 1346a8fd16d7SMaya Erez goto out; 134781b35afaSMaya Erez if (wil->brd_file_addr) 134881b35afaSMaya Erez rc = wil_request_board(wil, WIL_BOARD_FILE_NAME); 134981b35afaSMaya Erez else 135081b35afaSMaya Erez rc = wil_request_firmware(wil, 135181b35afaSMaya Erez WIL_BOARD_FILE_NAME, 135281b35afaSMaya Erez true); 13532cd0f021SVladimir Kondratiev if (rc) 1354a8fd16d7SMaya Erez goto out; 1355151a9706SVladimir Kondratiev 13561490846dSDedy Lansky wil_pre_fw_config(wil); 1357151a9706SVladimir Kondratiev wil_release_cpu(wil); 1358151a9706SVladimir Kondratiev } 13598bf6adb9SVladimir Kondratiev 13602be7d22fSVladimir Kondratiev /* init after reset */ 136116735d02SWolfram Sang reinit_completion(&wil->wmi_ready); 136259502647SDedy Lansky reinit_completion(&wil->wmi_call); 1363349214c1SMaya Erez reinit_completion(&wil->halp.comp); 13642be7d22fSVladimir Kondratiev 1365a8fd16d7SMaya Erez clear_bit(wil_status_resetting, wil->status); 1366a8fd16d7SMaya Erez 13672cd0f021SVladimir Kondratiev if (load_fw) { 136878366f69SVladimir Kondratiev wil_configure_interrupt_moderation(wil); 1369e4dbb093SVladimir Kondratiev wil_unmask_irq(wil); 13702be7d22fSVladimir Kondratiev 13712be7d22fSVladimir Kondratiev /* we just started MAC, wait for FW ready */ 13722be7d22fSVladimir Kondratiev rc = wil_wait_for_fw_ready(wil); 13735f0823efSMaya Erez if (rc) 13745f0823efSMaya Erez return rc; 13755f0823efSMaya Erez 13765f0823efSMaya Erez /* check FW is responsive */ 1377cec94d8cSVladimir Kondratiev rc = wmi_echo(wil); 13785f0823efSMaya Erez if (rc) { 1379af3db60aSLazar Alexei wil_err(wil, "wmi_echo failed, rc %d\n", rc); 13805f0823efSMaya Erez return rc; 13815f0823efSMaya Erez } 13825f0823efSMaya Erez 13834aebd3bdSLior David rc = wil_restore_vifs(wil); 13844aebd3bdSLior David if (rc) { 13854aebd3bdSLior David wil_err(wil, "failed to restore vifs, rc %d\n", rc); 13864aebd3bdSLior David return rc; 13874aebd3bdSLior David } 13884aebd3bdSLior David 13893ead1e01SLior David wil_collect_fw_info(wil); 13903ead1e01SLior David 13918b068c03SLazar Alexei if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT) 13928b068c03SLazar Alexei wil_ps_update(wil, wil->ps_profile); 13938b068c03SLazar Alexei 13945f0823efSMaya Erez if (wil->platform_ops.notify) { 13955f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 13965f0823efSMaya Erez WIL_PLATFORM_EVT_FW_RDY); 13975f0823efSMaya Erez if (rc) { 1398af3db60aSLazar Alexei wil_err(wil, "FW_RDY notify failed, rc %d\n", 1399af3db60aSLazar Alexei rc); 14005f0823efSMaya Erez rc = 0; 14015f0823efSMaya Erez } 14025f0823efSMaya Erez } 14032cd0f021SVladimir Kondratiev } 14042be7d22fSVladimir Kondratiev 14052be7d22fSVladimir Kondratiev return rc; 1406a8fd16d7SMaya Erez 1407a8fd16d7SMaya Erez out: 1408a8fd16d7SMaya Erez clear_bit(wil_status_resetting, wil->status); 1409a8fd16d7SMaya Erez return rc; 14102be7d22fSVladimir Kondratiev } 14112be7d22fSVladimir Kondratiev 1412ed6f9dc6SVladimir Kondratiev void wil_fw_error_recovery(struct wil6210_priv *wil) 1413ed6f9dc6SVladimir Kondratiev { 1414ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "starting fw error recovery\n"); 1415f13e0630SHamad Kadmany 1416f13e0630SHamad Kadmany if (test_bit(wil_status_resetting, wil->status)) { 1417f13e0630SHamad Kadmany wil_info(wil, "Reset already in progress\n"); 1418f13e0630SHamad Kadmany return; 1419f13e0630SHamad Kadmany } 1420f13e0630SHamad Kadmany 1421c33407a8SVladimir Kondratiev wil->recovery_state = fw_recovery_pending; 1422ed6f9dc6SVladimir Kondratiev schedule_work(&wil->fw_error_worker); 1423ed6f9dc6SVladimir Kondratiev } 14242be7d22fSVladimir Kondratiev 142573d839aeSVladimir Kondratiev int __wil_up(struct wil6210_priv *wil) 14262be7d22fSVladimir Kondratiev { 1427e00243faSLior David struct net_device *ndev = wil->main_ndev; 1428e00243faSLior David struct wireless_dev *wdev = ndev->ieee80211_ptr; 14292be7d22fSVladimir Kondratiev int rc; 14302be7d22fSVladimir Kondratiev 1431097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1432097638a0SVladimir Kondratiev 14332cd0f021SVladimir Kondratiev rc = wil_reset(wil, true); 14342be7d22fSVladimir Kondratiev if (rc) 14352be7d22fSVladimir Kondratiev return rc; 14362be7d22fSVladimir Kondratiev 1437e31b2562SVladimir Kondratiev /* Rx VRING. After MAC and beacon */ 1438d3762b40SVladimir Kondratiev rc = wil_rx_init(wil, 1 << rx_ring_order); 1439e31b2562SVladimir Kondratiev if (rc) 1440e31b2562SVladimir Kondratiev return rc; 1441e31b2562SVladimir Kondratiev 14422be7d22fSVladimir Kondratiev switch (wdev->iftype) { 14432be7d22fSVladimir Kondratiev case NL80211_IFTYPE_STATION: 14447743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: STATION\n"); 14452be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 14462be7d22fSVladimir Kondratiev break; 14472be7d22fSVladimir Kondratiev case NL80211_IFTYPE_AP: 14487743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: AP\n"); 14492be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 14502be7d22fSVladimir Kondratiev break; 14512be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 14527743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_CLIENT\n"); 14532be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 14542be7d22fSVladimir Kondratiev break; 14552be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 14567743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_GO\n"); 14572be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 14582be7d22fSVladimir Kondratiev break; 14592be7d22fSVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 14607743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: Monitor\n"); 14612be7d22fSVladimir Kondratiev ndev->type = ARPHRD_IEEE80211_RADIOTAP; 14622be7d22fSVladimir Kondratiev /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ 14632be7d22fSVladimir Kondratiev break; 14642be7d22fSVladimir Kondratiev default: 14652be7d22fSVladimir Kondratiev return -EOPNOTSUPP; 14662be7d22fSVladimir Kondratiev } 14672be7d22fSVladimir Kondratiev 14682be7d22fSVladimir Kondratiev /* MAC address - pre-requisite for other commands */ 14692be7d22fSVladimir Kondratiev wmi_set_mac_address(wil, ndev->dev_addr); 14702be7d22fSVladimir Kondratiev 147173d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI enable\n"); 1472e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_rx); 1473e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_tx); 14749419b6a2SVladimir Kondratiev set_bit(wil_status_napi_en, wil->status); 1475e0287c4aSVladimir Kondratiev 14769953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1477f772ebfbSVladimir Kondratiev 14782be7d22fSVladimir Kondratiev return 0; 14792be7d22fSVladimir Kondratiev } 14802be7d22fSVladimir Kondratiev 14812be7d22fSVladimir Kondratiev int wil_up(struct wil6210_priv *wil) 14822be7d22fSVladimir Kondratiev { 14832be7d22fSVladimir Kondratiev int rc; 14842be7d22fSVladimir Kondratiev 1485af3db60aSLazar Alexei wil_dbg_misc(wil, "up\n"); 14869cf10d62SVladimir Kondratiev 14872be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 14882be7d22fSVladimir Kondratiev rc = __wil_up(wil); 14892be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 14902be7d22fSVladimir Kondratiev 14912be7d22fSVladimir Kondratiev return rc; 14922be7d22fSVladimir Kondratiev } 14932be7d22fSVladimir Kondratiev 149473d839aeSVladimir Kondratiev int __wil_down(struct wil6210_priv *wil) 14952be7d22fSVladimir Kondratiev { 1496097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1497097638a0SVladimir Kondratiev 1498b0c0e688SLazar Alexei set_bit(wil_status_resetting, wil->status); 1499b0c0e688SLazar Alexei 15009953a782SLior David wil6210_bus_request(wil, 0); 1501f772ebfbSVladimir Kondratiev 150273d839aeSVladimir Kondratiev wil_disable_irq(wil); 15039419b6a2SVladimir Kondratiev if (test_and_clear_bit(wil_status_napi_en, wil->status)) { 1504e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_rx); 1505e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_tx); 150673d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI disable\n"); 150773d839aeSVladimir Kondratiev } 150873d839aeSVladimir Kondratiev wil_enable_irq(wil); 1509e0287c4aSVladimir Kondratiev 1510404bbb3cSLior David mutex_lock(&wil->vif_mutex); 1511035859a5SMaya Erez wil_p2p_stop_radio_operations(wil); 15125bd60982SLior David wil_abort_scan_all_vifs(wil, false); 1513404bbb3cSLior David mutex_unlock(&wil->vif_mutex); 15142be7d22fSVladimir Kondratiev 1515a8fd16d7SMaya Erez return wil_reset(wil, false); 15162be7d22fSVladimir Kondratiev } 15172be7d22fSVladimir Kondratiev 15182be7d22fSVladimir Kondratiev int wil_down(struct wil6210_priv *wil) 15192be7d22fSVladimir Kondratiev { 15202be7d22fSVladimir Kondratiev int rc; 15212be7d22fSVladimir Kondratiev 1522af3db60aSLazar Alexei wil_dbg_misc(wil, "down\n"); 15239cf10d62SVladimir Kondratiev 1524c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 15252be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 15262be7d22fSVladimir Kondratiev rc = __wil_down(wil); 15272be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 15282be7d22fSVladimir Kondratiev 15292be7d22fSVladimir Kondratiev return rc; 15302be7d22fSVladimir Kondratiev } 15313df2cd36SVladimir Kondratiev 1532e00243faSLior David int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac) 15333df2cd36SVladimir Kondratiev { 15343df2cd36SVladimir Kondratiev int i; 15353df2cd36SVladimir Kondratiev int rc = -ENOENT; 15363df2cd36SVladimir Kondratiev 15373df2cd36SVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 1538e00243faSLior David if (wil->sta[i].mid == mid && 1539e00243faSLior David wil->sta[i].status != wil_sta_unused && 1540108d1eb6SVladimir Kondratiev ether_addr_equal(wil->sta[i].addr, mac)) { 15413df2cd36SVladimir Kondratiev rc = i; 15423df2cd36SVladimir Kondratiev break; 15433df2cd36SVladimir Kondratiev } 15443df2cd36SVladimir Kondratiev } 15453df2cd36SVladimir Kondratiev 15463df2cd36SVladimir Kondratiev return rc; 15473df2cd36SVladimir Kondratiev } 1548349214c1SMaya Erez 1549349214c1SMaya Erez void wil_halp_vote(struct wil6210_priv *wil) 1550349214c1SMaya Erez { 1551349214c1SMaya Erez unsigned long rc; 1552349214c1SMaya Erez unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); 1553349214c1SMaya Erez 1554349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1555349214c1SMaya Erez 1556af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n", 1557349214c1SMaya Erez wil->halp.ref_cnt); 1558349214c1SMaya Erez 1559349214c1SMaya Erez if (++wil->halp.ref_cnt == 1) { 156018618a9fSMaya Erez reinit_completion(&wil->halp.comp); 1561349214c1SMaya Erez wil6210_set_halp(wil); 1562349214c1SMaya Erez rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); 1563f1b7764fSMaya Erez if (!rc) { 1564af3db60aSLazar Alexei wil_err(wil, "HALP vote timed out\n"); 1565f1b7764fSMaya Erez /* Mask HALP as done in case the interrupt is raised */ 1566f1b7764fSMaya Erez wil6210_mask_halp(wil); 1567f1b7764fSMaya Erez } else { 1568ef86f249SLior David wil_dbg_irq(wil, 1569af3db60aSLazar Alexei "halp_vote: HALP vote completed after %d ms\n", 1570349214c1SMaya Erez jiffies_to_msecs(to_jiffies - rc)); 1571349214c1SMaya Erez } 1572f1b7764fSMaya Erez } 1573349214c1SMaya Erez 1574af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n", 1575349214c1SMaya Erez wil->halp.ref_cnt); 1576349214c1SMaya Erez 1577349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1578349214c1SMaya Erez } 1579349214c1SMaya Erez 1580349214c1SMaya Erez void wil_halp_unvote(struct wil6210_priv *wil) 1581349214c1SMaya Erez { 1582349214c1SMaya Erez WARN_ON(wil->halp.ref_cnt == 0); 1583349214c1SMaya Erez 1584349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1585349214c1SMaya Erez 1586af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n", 1587349214c1SMaya Erez wil->halp.ref_cnt); 1588349214c1SMaya Erez 1589349214c1SMaya Erez if (--wil->halp.ref_cnt == 0) { 1590349214c1SMaya Erez wil6210_clear_halp(wil); 1591af3db60aSLazar Alexei wil_dbg_irq(wil, "HALP unvote\n"); 1592349214c1SMaya Erez } 1593349214c1SMaya Erez 1594af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n", 1595349214c1SMaya Erez wil->halp.ref_cnt); 1596349214c1SMaya Erez 1597349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1598349214c1SMaya Erez } 1599