12be7d22fSVladimir Kondratiev /* 2849a564bSDedy Lansky * Copyright (c) 2012-2017 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 26349214c1SMaya Erez #define WAIT_FOR_HALP_VOTE_MS 100 27035859a5SMaya Erez #define WAIT_FOR_SCAN_ABORT_MS 1000 28349214c1SMaya Erez 29bfc2dc7aSVladimir Kondratiev bool debug_fw; /* = false; */ 3078484c44SMaya Erez module_param(debug_fw, bool, 0444); 31bfc2dc7aSVladimir Kondratiev MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); 32bfc2dc7aSVladimir Kondratiev 33b8c31b5dSLior David static u8 oob_mode; 34b8c31b5dSLior David module_param(oob_mode, byte, 0444); 351f1a361aSLior David MODULE_PARM_DESC(oob_mode, 361f1a361aSLior David " enable out of the box (OOB) mode in FW, for diagnostics and certification"); 371f1a361aSLior David 38c33407a8SVladimir Kondratiev bool no_fw_recovery; 3978484c44SMaya Erez module_param(no_fw_recovery, bool, 0644); 40c33407a8SVladimir Kondratiev MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); 41ed6f9dc6SVladimir Kondratiev 42ab954628SVladimir Kondratiev /* if not set via modparam, will be set to default value of 1/8 of 43ab954628SVladimir Kondratiev * rx ring size during init flow 44ab954628SVladimir Kondratiev */ 45ab954628SVladimir Kondratiev unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; 4678484c44SMaya Erez module_param(rx_ring_overflow_thrsh, ushort, 0444); 47ab954628SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_overflow_thrsh, 48ab954628SVladimir Kondratiev " RX ring overflow threshold in descriptors."); 49b6b1b0ecSVladimir Kondratiev 509a06bec9SVladimir Kondratiev /* We allow allocation of more than 1 page buffers to support large packets. 519a06bec9SVladimir Kondratiev * It is suboptimal behavior performance wise in case MTU above page size. 529a06bec9SVladimir Kondratiev */ 53c44690a1SVladimir Kondratiev unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; 549a06bec9SVladimir Kondratiev static int mtu_max_set(const char *val, const struct kernel_param *kp) 559a06bec9SVladimir Kondratiev { 569a06bec9SVladimir Kondratiev int ret; 579a06bec9SVladimir Kondratiev 589a06bec9SVladimir Kondratiev /* sets mtu_max directly. no need to restore it in case of 599a06bec9SVladimir Kondratiev * illegal value since we assume this will fail insmod 609a06bec9SVladimir Kondratiev */ 619a06bec9SVladimir Kondratiev ret = param_set_uint(val, kp); 629a06bec9SVladimir Kondratiev if (ret) 639a06bec9SVladimir Kondratiev return ret; 649a06bec9SVladimir Kondratiev 654590d812SVladimir Kondratiev if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) 669a06bec9SVladimir Kondratiev ret = -EINVAL; 679a06bec9SVladimir Kondratiev 689a06bec9SVladimir Kondratiev return ret; 699a06bec9SVladimir Kondratiev } 709a06bec9SVladimir Kondratiev 719c27847dSLuis R. Rodriguez static const struct kernel_param_ops mtu_max_ops = { 729a06bec9SVladimir Kondratiev .set = mtu_max_set, 739a06bec9SVladimir Kondratiev .get = param_get_uint, 749a06bec9SVladimir Kondratiev }; 759a06bec9SVladimir Kondratiev 7678484c44SMaya Erez module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444); 779a06bec9SVladimir Kondratiev MODULE_PARM_DESC(mtu_max, " Max MTU value."); 789a06bec9SVladimir Kondratiev 79d3762b40SVladimir Kondratiev static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT; 80d3762b40SVladimir Kondratiev static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; 8141d6b093SVladimir Kondratiev static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; 82d3762b40SVladimir Kondratiev 83d3762b40SVladimir Kondratiev static int ring_order_set(const char *val, const struct kernel_param *kp) 84d3762b40SVladimir Kondratiev { 85d3762b40SVladimir Kondratiev int ret; 86d3762b40SVladimir Kondratiev uint x; 87d3762b40SVladimir Kondratiev 88d3762b40SVladimir Kondratiev ret = kstrtouint(val, 0, &x); 89d3762b40SVladimir Kondratiev if (ret) 90d3762b40SVladimir Kondratiev return ret; 91d3762b40SVladimir Kondratiev 92d3762b40SVladimir Kondratiev if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) 93d3762b40SVladimir Kondratiev return -EINVAL; 94d3762b40SVladimir Kondratiev 95d3762b40SVladimir Kondratiev *((uint *)kp->arg) = x; 96d3762b40SVladimir Kondratiev 97d3762b40SVladimir Kondratiev return 0; 98d3762b40SVladimir Kondratiev } 99d3762b40SVladimir Kondratiev 1009c27847dSLuis R. Rodriguez static const struct kernel_param_ops ring_order_ops = { 101d3762b40SVladimir Kondratiev .set = ring_order_set, 102d3762b40SVladimir Kondratiev .get = param_get_uint, 103d3762b40SVladimir Kondratiev }; 104d3762b40SVladimir Kondratiev 10578484c44SMaya Erez module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444); 106d3762b40SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); 10778484c44SMaya Erez module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444); 108d3762b40SVladimir Kondratiev MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); 10978484c44SMaya Erez module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); 110d507d1b7SVladimir Kondratiev MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); 111d3762b40SVladimir Kondratiev 112520d68e7SVladimir Kondratiev #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ 113520d68e7SVladimir Kondratiev #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ 114520d68e7SVladimir Kondratiev 1152be7d22fSVladimir Kondratiev /* 1162be7d22fSVladimir Kondratiev * Due to a hardware issue, 1172be7d22fSVladimir Kondratiev * one has to read/write to/from NIC in 32-bit chunks; 1182be7d22fSVladimir Kondratiev * regular memcpy_fromio and siblings will 1192be7d22fSVladimir Kondratiev * not work on 64-bit platform - it uses 64-bit transactions 1202be7d22fSVladimir Kondratiev * 1212be7d22fSVladimir Kondratiev * Force 32-bit transactions to enable NIC on 64-bit platforms 1222be7d22fSVladimir Kondratiev * 1232be7d22fSVladimir Kondratiev * To avoid byte swap on big endian host, __raw_{read|write}l 1242be7d22fSVladimir Kondratiev * should be used - {read|write}l would swap bytes to provide 1252be7d22fSVladimir Kondratiev * little endian on PCI value in host endianness. 1262be7d22fSVladimir Kondratiev */ 1272be7d22fSVladimir Kondratiev void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, 1282be7d22fSVladimir Kondratiev size_t count) 1292be7d22fSVladimir Kondratiev { 1302be7d22fSVladimir Kondratiev u32 *d = dst; 1312be7d22fSVladimir Kondratiev const volatile u32 __iomem *s = src; 1322be7d22fSVladimir Kondratiev 1332be7d22fSVladimir Kondratiev /* size_t is unsigned, if (count%4 != 0) it will wrap */ 1342be7d22fSVladimir Kondratiev for (count += 4; count > 4; count -= 4) 1352be7d22fSVladimir Kondratiev *d++ = __raw_readl(s++); 1362be7d22fSVladimir Kondratiev } 1372be7d22fSVladimir Kondratiev 138349214c1SMaya Erez void wil_memcpy_fromio_halp_vote(struct wil6210_priv *wil, void *dst, 139349214c1SMaya Erez const volatile void __iomem *src, size_t count) 140349214c1SMaya Erez { 141349214c1SMaya Erez wil_halp_vote(wil); 142349214c1SMaya Erez wil_memcpy_fromio_32(dst, src, count); 143349214c1SMaya Erez wil_halp_unvote(wil); 144349214c1SMaya Erez } 145349214c1SMaya Erez 1462be7d22fSVladimir Kondratiev void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, 1472be7d22fSVladimir Kondratiev size_t count) 1482be7d22fSVladimir Kondratiev { 1492be7d22fSVladimir Kondratiev volatile u32 __iomem *d = dst; 1502be7d22fSVladimir Kondratiev const u32 *s = src; 1512be7d22fSVladimir Kondratiev 1522be7d22fSVladimir Kondratiev for (count += 4; count > 4; count -= 4) 1532be7d22fSVladimir Kondratiev __raw_writel(*s++, d++); 1542be7d22fSVladimir Kondratiev } 1552be7d22fSVladimir Kondratiev 156349214c1SMaya Erez void wil_memcpy_toio_halp_vote(struct wil6210_priv *wil, 157349214c1SMaya Erez volatile void __iomem *dst, 158349214c1SMaya Erez const void *src, size_t count) 159349214c1SMaya Erez { 160349214c1SMaya Erez wil_halp_vote(wil); 161349214c1SMaya Erez wil_memcpy_toio_32(dst, src, count); 162349214c1SMaya Erez wil_halp_unvote(wil); 163349214c1SMaya Erez } 164349214c1SMaya Erez 165b516fcc5SVladimir Kondratiev static void wil_disconnect_cid(struct wil6210_priv *wil, int cid, 1664821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 167bd33273bSVladimir Kondratiev __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 1682be7d22fSVladimir Kondratiev { 16991886b0bSVladimir Kondratiev uint i; 170fc58f681SVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 171fc58f681SVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 172b4490f42SVladimir Kondratiev struct wil_sta_info *sta = &wil->sta[cid]; 1738fe59627SVladimir Kondratiev 174bd33273bSVladimir Kondratiev might_sleep(); 175af3db60aSLazar Alexei wil_dbg_misc(wil, "disconnect_cid: CID %d, status %d\n", 176af3db60aSLazar Alexei cid, sta->status); 17758527421SVladimir Kondratiev /* inform upper/lower layers */ 1784d55a0a1SVladimir Kondratiev if (sta->status != wil_sta_unused) { 179849a564bSDedy Lansky if (!from_event) { 180849a564bSDedy Lansky bool del_sta = (wdev->iftype == NL80211_IFTYPE_AP) ? 181849a564bSDedy Lansky disable_ap_sme : false; 182849a564bSDedy Lansky wmi_disconnect_sta(wil, sta->addr, reason_code, 183849a564bSDedy Lansky true, del_sta); 184849a564bSDedy Lansky } 185b516fcc5SVladimir Kondratiev 186fc58f681SVladimir Kondratiev switch (wdev->iftype) { 187fc58f681SVladimir Kondratiev case NL80211_IFTYPE_AP: 188fc58f681SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 189fc58f681SVladimir Kondratiev /* AP-like interface */ 190fc58f681SVladimir Kondratiev cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); 191fc58f681SVladimir Kondratiev break; 192fc58f681SVladimir Kondratiev default: 193fc58f681SVladimir Kondratiev break; 194fc58f681SVladimir Kondratiev } 1954d55a0a1SVladimir Kondratiev sta->status = wil_sta_unused; 1964d55a0a1SVladimir Kondratiev } 19758527421SVladimir Kondratiev /* reorder buffers */ 198b4490f42SVladimir Kondratiev for (i = 0; i < WIL_STA_TID_NUM; i++) { 199ec81b5adSDedy Lansky struct wil_tid_ampdu_rx *r; 200ec81b5adSDedy Lansky 201bd33273bSVladimir Kondratiev spin_lock_bh(&sta->tid_rx_lock); 202ec81b5adSDedy Lansky 203ec81b5adSDedy Lansky r = sta->tid_rx[i]; 204b4490f42SVladimir Kondratiev sta->tid_rx[i] = NULL; 205b4490f42SVladimir Kondratiev wil_tid_ampdu_rx_free(wil, r); 206ec81b5adSDedy Lansky 207bd33273bSVladimir Kondratiev spin_unlock_bh(&sta->tid_rx_lock); 208b4490f42SVladimir Kondratiev } 20958527421SVladimir Kondratiev /* crypto context */ 21058527421SVladimir Kondratiev memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); 21158527421SVladimir Kondratiev memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); 21258527421SVladimir Kondratiev /* release vrings */ 21391886b0bSVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { 21491886b0bSVladimir Kondratiev if (wil->vring2cid_tid[i][0] == cid) 21591886b0bSVladimir Kondratiev wil_vring_fini_tx(wil, i); 21691886b0bSVladimir Kondratiev } 21758527421SVladimir Kondratiev /* statistics */ 21891886b0bSVladimir Kondratiev memset(&sta->stats, 0, sizeof(sta->stats)); 219b4490f42SVladimir Kondratiev } 220b4490f42SVladimir Kondratiev 221f9e3033fSDedy Lansky static bool wil_is_connected(struct wil6210_priv *wil) 22254eaa8c6SMaya Erez { 22354eaa8c6SMaya Erez int i; 22454eaa8c6SMaya Erez 22554eaa8c6SMaya Erez for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 22654eaa8c6SMaya Erez if (wil->sta[i].status == wil_sta_connected) 22754eaa8c6SMaya Erez return true; 22854eaa8c6SMaya Erez } 22954eaa8c6SMaya Erez 23054eaa8c6SMaya Erez return false; 23154eaa8c6SMaya Erez } 23254eaa8c6SMaya Erez 233b516fcc5SVladimir Kondratiev static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, 2344821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 23591886b0bSVladimir Kondratiev { 23691886b0bSVladimir Kondratiev int cid = -ENOENT; 23791886b0bSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 23891886b0bSVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 23991886b0bSVladimir Kondratiev 2402690c4c0SLior David if (unlikely(!ndev)) 2412690c4c0SLior David return; 2422690c4c0SLior David 24391886b0bSVladimir Kondratiev might_sleep(); 244af3db60aSLazar Alexei wil_info(wil, "bssid=%pM, reason=%d, ev%s\n", bssid, 245100106d7SVladimir Kondratiev reason_code, from_event ? "+" : "-"); 24691886b0bSVladimir Kondratiev 247100106d7SVladimir Kondratiev /* Cases are: 248100106d7SVladimir Kondratiev * - disconnect single STA, still connected 249100106d7SVladimir Kondratiev * - disconnect single STA, already disconnected 250100106d7SVladimir Kondratiev * - disconnect all 251100106d7SVladimir Kondratiev * 25268682b41SVladimir Kondratiev * For "disconnect all", there are 3 options: 253100106d7SVladimir Kondratiev * - bssid == NULL 25468682b41SVladimir Kondratiev * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 255100106d7SVladimir Kondratiev * - bssid is our MAC address 256100106d7SVladimir Kondratiev */ 25768682b41SVladimir Kondratiev if (bssid && !is_broadcast_ether_addr(bssid) && 25868682b41SVladimir Kondratiev !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 259100106d7SVladimir Kondratiev cid = wil_find_cid(wil, bssid); 260100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", 261100106d7SVladimir Kondratiev bssid, cid, reason_code); 26291886b0bSVladimir Kondratiev if (cid >= 0) /* disconnect 1 peer */ 2634821e6d8SVladimir Kondratiev wil_disconnect_cid(wil, cid, reason_code, from_event); 264100106d7SVladimir Kondratiev } else { /* all */ 265100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect all\n"); 26691886b0bSVladimir Kondratiev for (cid = 0; cid < WIL6210_MAX_CID; cid++) 2674821e6d8SVladimir Kondratiev wil_disconnect_cid(wil, cid, reason_code, from_event); 268100106d7SVladimir Kondratiev } 26991886b0bSVladimir Kondratiev 27091886b0bSVladimir Kondratiev /* link state */ 27191886b0bSVladimir Kondratiev switch (wdev->iftype) { 27291886b0bSVladimir Kondratiev case NL80211_IFTYPE_STATION: 27391886b0bSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 27441d6b093SVladimir Kondratiev wil_bcast_fini(wil); 275f9e3033fSDedy Lansky wil_update_net_queues_bh(wil, NULL, true); 276c5e96c91SDedy Lansky netif_carrier_off(ndev); 2779953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 278c5e96c91SDedy Lansky 2799419b6a2SVladimir Kondratiev if (test_bit(wil_status_fwconnected, wil->status)) { 2809419b6a2SVladimir Kondratiev clear_bit(wil_status_fwconnected, wil->status); 2814821e6d8SVladimir Kondratiev cfg80211_disconnected(ndev, reason_code, 2823b56c15fSDedy Lansky NULL, 0, 2833b56c15fSDedy Lansky wil->locally_generated_disc, 2843b56c15fSDedy Lansky GFP_KERNEL); 2853b56c15fSDedy Lansky wil->locally_generated_disc = false; 2869419b6a2SVladimir Kondratiev } else if (test_bit(wil_status_fwconnecting, wil->status)) { 2872be7d22fSVladimir Kondratiev cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, 2882be7d22fSVladimir Kondratiev WLAN_STATUS_UNSPECIFIED_FAILURE, 2892be7d22fSVladimir Kondratiev GFP_KERNEL); 290bcdd49b0SDedy Lansky wil->bss = NULL; 2912be7d22fSVladimir Kondratiev } 2929419b6a2SVladimir Kondratiev clear_bit(wil_status_fwconnecting, wil->status); 29391886b0bSVladimir Kondratiev break; 29454eaa8c6SMaya Erez case NL80211_IFTYPE_AP: 29554eaa8c6SMaya Erez case NL80211_IFTYPE_P2P_GO: 296f9e3033fSDedy Lansky if (!wil_is_connected(wil)) { 297f9e3033fSDedy Lansky wil_update_net_queues_bh(wil, NULL, true); 29854eaa8c6SMaya Erez clear_bit(wil_status_fwconnected, wil->status); 299f9e3033fSDedy Lansky } else { 300f9e3033fSDedy Lansky wil_update_net_queues_bh(wil, NULL, false); 301f9e3033fSDedy Lansky } 30254eaa8c6SMaya Erez break; 30391886b0bSVladimir Kondratiev default: 30491886b0bSVladimir Kondratiev break; 30591886b0bSVladimir Kondratiev } 3062be7d22fSVladimir Kondratiev } 3072be7d22fSVladimir Kondratiev 3082be7d22fSVladimir Kondratiev static void wil_disconnect_worker(struct work_struct *work) 3092be7d22fSVladimir Kondratiev { 3102be7d22fSVladimir Kondratiev struct wil6210_priv *wil = container_of(work, 3112be7d22fSVladimir Kondratiev struct wil6210_priv, disconnect_worker); 312628639b1SDedy Lansky struct net_device *ndev = wil_to_ndev(wil); 313628639b1SDedy Lansky int rc; 314628639b1SDedy Lansky struct { 315628639b1SDedy Lansky struct wmi_cmd_hdr wmi; 316628639b1SDedy Lansky struct wmi_disconnect_event evt; 317628639b1SDedy Lansky } __packed reply; 3182be7d22fSVladimir Kondratiev 319628639b1SDedy Lansky if (test_bit(wil_status_fwconnected, wil->status)) 320628639b1SDedy Lansky /* connect succeeded after all */ 321628639b1SDedy Lansky return; 322628639b1SDedy Lansky 323628639b1SDedy Lansky if (!test_bit(wil_status_fwconnecting, wil->status)) 324628639b1SDedy Lansky /* already disconnected */ 325628639b1SDedy Lansky return; 326628639b1SDedy Lansky 327628639b1SDedy Lansky rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, 328628639b1SDedy Lansky WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 329628639b1SDedy Lansky WIL6210_DISCONNECT_TO_MS); 330628639b1SDedy Lansky if (rc) { 331628639b1SDedy Lansky wil_err(wil, "disconnect error %d\n", rc); 332628639b1SDedy Lansky return; 333628639b1SDedy Lansky } 334628639b1SDedy Lansky 335628639b1SDedy Lansky wil_update_net_queues_bh(wil, NULL, true); 336628639b1SDedy Lansky netif_carrier_off(ndev); 337628639b1SDedy Lansky cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0, 338628639b1SDedy Lansky WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); 339628639b1SDedy Lansky clear_bit(wil_status_fwconnecting, wil->status); 3402be7d22fSVladimir Kondratiev } 3412be7d22fSVladimir Kondratiev 3422be7d22fSVladimir Kondratiev static void wil_connect_timer_fn(ulong x) 3432be7d22fSVladimir Kondratiev { 3442be7d22fSVladimir Kondratiev struct wil6210_priv *wil = (void *)x; 3450916d9f2SMaya Erez bool q; 3462be7d22fSVladimir Kondratiev 3470916d9f2SMaya Erez wil_err(wil, "Connect timeout detected, disconnect station\n"); 3482be7d22fSVladimir Kondratiev 3492be7d22fSVladimir Kondratiev /* reschedule to thread context - disconnect won't 3500916d9f2SMaya Erez * run from atomic context. 3510916d9f2SMaya Erez * queue on wmi_wq to prevent race with connect event. 3522be7d22fSVladimir Kondratiev */ 3530916d9f2SMaya Erez q = queue_work(wil->wmi_wq, &wil->disconnect_worker); 3540916d9f2SMaya Erez wil_dbg_wmi(wil, "queue_work of disconnect_worker -> %d\n", q); 3552be7d22fSVladimir Kondratiev } 3562be7d22fSVladimir Kondratiev 357047e5d74SVladimir Kondratiev static void wil_scan_timer_fn(ulong x) 358047e5d74SVladimir Kondratiev { 359047e5d74SVladimir Kondratiev struct wil6210_priv *wil = (void *)x; 360047e5d74SVladimir Kondratiev 3619419b6a2SVladimir Kondratiev clear_bit(wil_status_fwready, wil->status); 362047e5d74SVladimir Kondratiev wil_err(wil, "Scan timeout detected, start fw error recovery\n"); 3638ad6600fSVladimir Kondratiev wil_fw_error_recovery(wil); 364047e5d74SVladimir Kondratiev } 365047e5d74SVladimir Kondratiev 366c33407a8SVladimir Kondratiev static int wil_wait_for_recovery(struct wil6210_priv *wil) 367c33407a8SVladimir Kondratiev { 368c33407a8SVladimir Kondratiev if (wait_event_interruptible(wil->wq, wil->recovery_state != 369c33407a8SVladimir Kondratiev fw_recovery_pending)) { 370c33407a8SVladimir Kondratiev wil_err(wil, "Interrupt, canceling recovery\n"); 371c33407a8SVladimir Kondratiev return -ERESTARTSYS; 372c33407a8SVladimir Kondratiev } 373c33407a8SVladimir Kondratiev if (wil->recovery_state != fw_recovery_running) { 374c33407a8SVladimir Kondratiev wil_info(wil, "Recovery cancelled\n"); 375c33407a8SVladimir Kondratiev return -EINTR; 376c33407a8SVladimir Kondratiev } 377c33407a8SVladimir Kondratiev wil_info(wil, "Proceed with recovery\n"); 378c33407a8SVladimir Kondratiev return 0; 379c33407a8SVladimir Kondratiev } 380c33407a8SVladimir Kondratiev 381c33407a8SVladimir Kondratiev void wil_set_recovery_state(struct wil6210_priv *wil, int state) 382c33407a8SVladimir Kondratiev { 383af3db60aSLazar Alexei wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n", 384c33407a8SVladimir Kondratiev wil->recovery_state, state); 385c33407a8SVladimir Kondratiev 386c33407a8SVladimir Kondratiev wil->recovery_state = state; 387c33407a8SVladimir Kondratiev wake_up_interruptible(&wil->wq); 388c33407a8SVladimir Kondratiev } 389c33407a8SVladimir Kondratiev 390375a173fSLior David bool wil_is_recovery_blocked(struct wil6210_priv *wil) 391375a173fSLior David { 392375a173fSLior David return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); 393375a173fSLior David } 394375a173fSLior David 395ed6f9dc6SVladimir Kondratiev static void wil_fw_error_worker(struct work_struct *work) 396ed6f9dc6SVladimir Kondratiev { 397c33407a8SVladimir Kondratiev struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 398c33407a8SVladimir Kondratiev fw_error_worker); 399ed6f9dc6SVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 400ed6f9dc6SVladimir Kondratiev 401ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "fw error worker\n"); 402ed6f9dc6SVladimir Kondratiev 403cded9369SVladimir Kondratiev if (!netif_running(wil_to_ndev(wil))) { 404cded9369SVladimir Kondratiev wil_info(wil, "No recovery - interface is down\n"); 405cded9369SVladimir Kondratiev return; 406cded9369SVladimir Kondratiev } 407cded9369SVladimir Kondratiev 408fc219eedSVladimir Kondratiev /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO 409fc219eedSVladimir Kondratiev * passed since last recovery attempt 410fc219eedSVladimir Kondratiev */ 411fc219eedSVladimir Kondratiev if (time_is_after_jiffies(wil->last_fw_recovery + 412fc219eedSVladimir Kondratiev WIL6210_FW_RECOVERY_TO)) 413fc219eedSVladimir Kondratiev wil->recovery_count++; 414fc219eedSVladimir Kondratiev else 415fc219eedSVladimir Kondratiev wil->recovery_count = 1; /* fw was alive for a long time */ 416fc219eedSVladimir Kondratiev 417fc219eedSVladimir Kondratiev if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { 418fc219eedSVladimir Kondratiev wil_err(wil, "too many recovery attempts (%d), giving up\n", 419fc219eedSVladimir Kondratiev wil->recovery_count); 420fc219eedSVladimir Kondratiev return; 421fc219eedSVladimir Kondratiev } 422fc219eedSVladimir Kondratiev 423fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 424fc219eedSVladimir Kondratiev 425dfb5b098SLior David wil_info(wil, "fw error recovery requested (try %d)...\n", 426dfb5b098SLior David wil->recovery_count); 427dfb5b098SLior David if (!no_fw_recovery) 428dfb5b098SLior David wil->recovery_state = fw_recovery_running; 429dfb5b098SLior David if (wil_wait_for_recovery(wil) != 0) 430dfb5b098SLior David return; 431dfb5b098SLior David 4329c3bde56SVladimir Kondratiev mutex_lock(&wil->mutex); 433ed6f9dc6SVladimir Kondratiev switch (wdev->iftype) { 434ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_STATION: 435ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 436ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 437dfb5b098SLior David /* silent recovery, upper layers will see disconnect */ 43873d839aeSVladimir Kondratiev __wil_down(wil); 43973d839aeSVladimir Kondratiev __wil_up(wil); 440ed6f9dc6SVladimir Kondratiev break; 441ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_AP: 442ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 443e240537bSVladimir Kondratiev wil_info(wil, "No recovery for AP-like interface\n"); 444ed6f9dc6SVladimir Kondratiev /* recovery in these modes is done by upper layers */ 445ed6f9dc6SVladimir Kondratiev break; 446ed6f9dc6SVladimir Kondratiev default: 447e240537bSVladimir Kondratiev wil_err(wil, "No recovery - unknown interface type %d\n", 448e240537bSVladimir Kondratiev wdev->iftype); 449ed6f9dc6SVladimir Kondratiev break; 450ed6f9dc6SVladimir Kondratiev } 4519c3bde56SVladimir Kondratiev mutex_unlock(&wil->mutex); 452ed6f9dc6SVladimir Kondratiev } 453ed6f9dc6SVladimir Kondratiev 4549a177384SVladimir Kondratiev static int wil_find_free_vring(struct wil6210_priv *wil) 4559a177384SVladimir Kondratiev { 4569a177384SVladimir Kondratiev int i; 4578fe59627SVladimir Kondratiev 4589a177384SVladimir Kondratiev for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { 4599a177384SVladimir Kondratiev if (!wil->vring_tx[i].va) 4609a177384SVladimir Kondratiev return i; 4619a177384SVladimir Kondratiev } 4629a177384SVladimir Kondratiev return -EINVAL; 4639a177384SVladimir Kondratiev } 4649a177384SVladimir Kondratiev 4650916d9f2SMaya Erez int wil_tx_init(struct wil6210_priv *wil, int cid) 4660916d9f2SMaya Erez { 4670916d9f2SMaya Erez int rc = -EINVAL, ringid; 4680916d9f2SMaya Erez 4690916d9f2SMaya Erez if (cid < 0) { 4700916d9f2SMaya Erez wil_err(wil, "No connection pending\n"); 4710916d9f2SMaya Erez goto out; 4720916d9f2SMaya Erez } 4730916d9f2SMaya Erez ringid = wil_find_free_vring(wil); 4740916d9f2SMaya Erez if (ringid < 0) { 4750916d9f2SMaya Erez wil_err(wil, "No free vring found\n"); 4760916d9f2SMaya Erez goto out; 4770916d9f2SMaya Erez } 4780916d9f2SMaya Erez 4790916d9f2SMaya Erez wil_dbg_wmi(wil, "Configure for connection CID %d vring %d\n", 4800916d9f2SMaya Erez cid, ringid); 4810916d9f2SMaya Erez 4820916d9f2SMaya Erez rc = wil_vring_init_tx(wil, ringid, 1 << tx_ring_order, cid, 0); 4830916d9f2SMaya Erez if (rc) 4840916d9f2SMaya Erez wil_err(wil, "wil_vring_init_tx for CID %d vring %d failed\n", 4850916d9f2SMaya Erez cid, ringid); 4860916d9f2SMaya Erez 4870916d9f2SMaya Erez out: 4880916d9f2SMaya Erez return rc; 4890916d9f2SMaya Erez } 4900916d9f2SMaya Erez 49141d6b093SVladimir Kondratiev int wil_bcast_init(struct wil6210_priv *wil) 49241d6b093SVladimir Kondratiev { 49341d6b093SVladimir Kondratiev int ri = wil->bcast_vring, rc; 49441d6b093SVladimir Kondratiev 49541d6b093SVladimir Kondratiev if ((ri >= 0) && wil->vring_tx[ri].va) 49641d6b093SVladimir Kondratiev return 0; 49741d6b093SVladimir Kondratiev 49841d6b093SVladimir Kondratiev ri = wil_find_free_vring(wil); 49941d6b093SVladimir Kondratiev if (ri < 0) 50041d6b093SVladimir Kondratiev return ri; 50141d6b093SVladimir Kondratiev 50241d6b093SVladimir Kondratiev wil->bcast_vring = ri; 503230d8442SVladimir Kondratiev rc = wil_vring_init_bcast(wil, ri, 1 << bcast_ring_order); 504230d8442SVladimir Kondratiev if (rc) 505230d8442SVladimir Kondratiev wil->bcast_vring = -1; 50641d6b093SVladimir Kondratiev 50741d6b093SVladimir Kondratiev return rc; 50841d6b093SVladimir Kondratiev } 50941d6b093SVladimir Kondratiev 51041d6b093SVladimir Kondratiev void wil_bcast_fini(struct wil6210_priv *wil) 51141d6b093SVladimir Kondratiev { 51241d6b093SVladimir Kondratiev int ri = wil->bcast_vring; 51341d6b093SVladimir Kondratiev 51441d6b093SVladimir Kondratiev if (ri < 0) 51541d6b093SVladimir Kondratiev return; 51641d6b093SVladimir Kondratiev 51741d6b093SVladimir Kondratiev wil->bcast_vring = -1; 51841d6b093SVladimir Kondratiev wil_vring_fini_tx(wil, ri); 51941d6b093SVladimir Kondratiev } 52041d6b093SVladimir Kondratiev 5212be7d22fSVladimir Kondratiev int wil_priv_init(struct wil6210_priv *wil) 5222be7d22fSVladimir Kondratiev { 523ec81b5adSDedy Lansky uint i; 524ec81b5adSDedy Lansky 525af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_init\n"); 5262be7d22fSVladimir Kondratiev 5273df2cd36SVladimir Kondratiev memset(wil->sta, 0, sizeof(wil->sta)); 528ec81b5adSDedy Lansky for (i = 0; i < WIL6210_MAX_CID; i++) 529ec81b5adSDedy Lansky spin_lock_init(&wil->sta[i].tid_rx_lock); 5303df2cd36SVladimir Kondratiev 531875e9439SMaya Erez for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) 532875e9439SMaya Erez spin_lock_init(&wil->vring_tx_data[i].lock); 533875e9439SMaya Erez 5342be7d22fSVladimir Kondratiev mutex_init(&wil->mutex); 5352be7d22fSVladimir Kondratiev mutex_init(&wil->wmi_mutex); 53640822a90SVladimir Kondratiev mutex_init(&wil->probe_client_mutex); 5374332cac1SLior David mutex_init(&wil->p2p_wdev_mutex); 538349214c1SMaya Erez mutex_init(&wil->halp.lock); 5392be7d22fSVladimir Kondratiev 5402be7d22fSVladimir Kondratiev init_completion(&wil->wmi_ready); 54159502647SDedy Lansky init_completion(&wil->wmi_call); 542349214c1SMaya Erez init_completion(&wil->halp.comp); 5432be7d22fSVladimir Kondratiev 54441d6b093SVladimir Kondratiev wil->bcast_vring = -1; 5452be7d22fSVladimir Kondratiev setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil); 546047e5d74SVladimir Kondratiev setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil); 547e6d68341SDedy Lansky setup_timer(&wil->p2p.discovery_timer, wil_p2p_discovery_timer_fn, 548e6d68341SDedy Lansky (ulong)wil); 5492be7d22fSVladimir Kondratiev 5502be7d22fSVladimir Kondratiev INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker); 5512be7d22fSVladimir Kondratiev INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); 552ed6f9dc6SVladimir Kondratiev INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); 55340822a90SVladimir Kondratiev INIT_WORK(&wil->probe_client_worker, wil_probe_client_worker); 554bb6743f7SLior David INIT_WORK(&wil->p2p.delayed_listen_work, wil_p2p_delayed_listen_work); 5552be7d22fSVladimir Kondratiev 5562be7d22fSVladimir Kondratiev INIT_LIST_HEAD(&wil->pending_wmi_ev); 55740822a90SVladimir Kondratiev INIT_LIST_HEAD(&wil->probe_client_pending); 5582be7d22fSVladimir Kondratiev spin_lock_init(&wil->wmi_ev_lock); 559f9e3033fSDedy Lansky spin_lock_init(&wil->net_queue_lock); 560f9e3033fSDedy Lansky wil->net_queue_stopped = 1; 561c33407a8SVladimir Kondratiev init_waitqueue_head(&wil->wq); 5622be7d22fSVladimir Kondratiev 5632be7d22fSVladimir Kondratiev wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); 5642be7d22fSVladimir Kondratiev if (!wil->wmi_wq) 5652be7d22fSVladimir Kondratiev return -EAGAIN; 5662be7d22fSVladimir Kondratiev 5673277213fSVladimir Kondratiev wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); 5683277213fSVladimir Kondratiev if (!wil->wq_service) 5693277213fSVladimir Kondratiev goto out_wmi_wq; 5702be7d22fSVladimir Kondratiev 571fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 5721f80af2eSVladimir Shulman wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; 5731f80af2eSVladimir Shulman wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; 5741f80af2eSVladimir Shulman wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; 5751f80af2eSVladimir Shulman wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; 576fc219eedSVladimir Kondratiev 577ab954628SVladimir Kondratiev if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) 578ab954628SVladimir Kondratiev rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; 5792be7d22fSVladimir Kondratiev return 0; 5803277213fSVladimir Kondratiev 5813277213fSVladimir Kondratiev out_wmi_wq: 5823277213fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 5833277213fSVladimir Kondratiev 5843277213fSVladimir Kondratiev return -EAGAIN; 5852be7d22fSVladimir Kondratiev } 5862be7d22fSVladimir Kondratiev 5879953a782SLior David void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps) 5889953a782SLior David { 5899953a782SLior David if (wil->platform_ops.bus_request) 5909953a782SLior David wil->platform_ops.bus_request(wil->platform_handle, kbps); 5919953a782SLior David } 5929953a782SLior David 593b516fcc5SVladimir Kondratiev /** 594b516fcc5SVladimir Kondratiev * wil6210_disconnect - disconnect one connection 595b516fcc5SVladimir Kondratiev * @wil: driver context 596b516fcc5SVladimir Kondratiev * @bssid: peer to disconnect, NULL to disconnect all 5974821e6d8SVladimir Kondratiev * @reason_code: Reason code for the Disassociation frame 598b516fcc5SVladimir Kondratiev * @from_event: whether is invoked from FW event handler 599b516fcc5SVladimir Kondratiev * 600b516fcc5SVladimir Kondratiev * Disconnect and release associated resources. If invoked not from the 601b516fcc5SVladimir Kondratiev * FW event handler, issue WMI command(s) to trigger MAC disconnect. 602b516fcc5SVladimir Kondratiev */ 603b516fcc5SVladimir Kondratiev void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, 6044821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 6052be7d22fSVladimir Kondratiev { 606af3db60aSLazar Alexei wil_dbg_misc(wil, "disconnect\n"); 6079cf10d62SVladimir Kondratiev 6082be7d22fSVladimir Kondratiev del_timer_sync(&wil->connect_timer); 6094821e6d8SVladimir Kondratiev _wil6210_disconnect(wil, bssid, reason_code, from_event); 6102be7d22fSVladimir Kondratiev } 6112be7d22fSVladimir Kondratiev 6122be7d22fSVladimir Kondratiev void wil_priv_deinit(struct wil6210_priv *wil) 6132be7d22fSVladimir Kondratiev { 614af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_deinit\n"); 6159cf10d62SVladimir Kondratiev 616c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 617047e5d74SVladimir Kondratiev del_timer_sync(&wil->scan_timer); 618e6d68341SDedy Lansky del_timer_sync(&wil->p2p.discovery_timer); 6192be7d22fSVladimir Kondratiev cancel_work_sync(&wil->disconnect_worker); 620ed6f9dc6SVladimir Kondratiev cancel_work_sync(&wil->fw_error_worker); 621e6d68341SDedy Lansky cancel_work_sync(&wil->p2p.discovery_expired_work); 622bb6743f7SLior David cancel_work_sync(&wil->p2p.delayed_listen_work); 623097638a0SVladimir Kondratiev mutex_lock(&wil->mutex); 6244821e6d8SVladimir Kondratiev wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); 625097638a0SVladimir Kondratiev mutex_unlock(&wil->mutex); 6262be7d22fSVladimir Kondratiev wmi_event_flush(wil); 62740822a90SVladimir Kondratiev wil_probe_client_flush(wil); 62840822a90SVladimir Kondratiev cancel_work_sync(&wil->probe_client_worker); 6293277213fSVladimir Kondratiev destroy_workqueue(wil->wq_service); 6302be7d22fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 6312be7d22fSVladimir Kondratiev } 6322be7d22fSVladimir Kondratiev 633151a9706SVladimir Kondratiev static inline void wil_halt_cpu(struct wil6210_priv *wil) 634151a9706SVladimir Kondratiev { 635b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); 636b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); 637151a9706SVladimir Kondratiev } 638151a9706SVladimir Kondratiev 639151a9706SVladimir Kondratiev static inline void wil_release_cpu(struct wil6210_priv *wil) 640151a9706SVladimir Kondratiev { 641151a9706SVladimir Kondratiev /* Start CPU */ 642b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, 1); 643151a9706SVladimir Kondratiev } 644151a9706SVladimir Kondratiev 645b8c31b5dSLior David static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) 6461f1a361aSLior David { 647b8c31b5dSLior David wil_info(wil, "oob_mode to %d\n", mode); 648b8c31b5dSLior David switch (mode) { 649b8c31b5dSLior David case 0: 650b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE | 651b8c31b5dSLior David BIT_USER_OOB_R2_MODE); 652b8c31b5dSLior David break; 653b8c31b5dSLior David case 1: 654b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 6551f1a361aSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 656b8c31b5dSLior David break; 657b8c31b5dSLior David case 2: 6581f1a361aSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 659b8c31b5dSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 660b8c31b5dSLior David break; 661b8c31b5dSLior David default: 662b8c31b5dSLior David wil_err(wil, "invalid oob_mode: %d\n", mode); 663b8c31b5dSLior David } 6641f1a361aSLior David } 6651f1a361aSLior David 666bbb2adc7SVladimir Kondratiev static int wil_target_reset(struct wil6210_priv *wil) 6672be7d22fSVladimir Kondratiev { 66898a65b59SVladimir Kondratiev int delay = 0; 669bb6c8dccSVladimir Kondratiev u32 x, x1 = 0; 67036b10a72SVladimir Kondratiev 6711aeda13bSVladimir Kondratiev wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); 6726508281bSVladimir Kondratiev 6736508281bSVladimir Kondratiev /* Clear MAC link up */ 674b9eeb512SVladimir Kondratiev wil_s(wil, RGF_HP_CTRL, BIT(15)); 675b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD); 676b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); 677151a9706SVladimir Kondratiev 678151a9706SVladimir Kondratiev wil_halt_cpu(wil); 6792be7d22fSVladimir Kondratiev 6802cd0f021SVladimir Kondratiev /* clear all boot loader "ready" bits */ 681b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_BL + 682f1ad8c93SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0); 683cce47711SVladimir Kondratiev /* Clear Fw Download notification */ 684b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_USAGE_6, BIT(0)); 685cce47711SVladimir Kondratiev 686b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); 68748516298SVladimir Kondratiev /* XTAL stabilization should take about 3ms */ 68848516298SVladimir Kondratiev usleep_range(5000, 7000); 689b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); 69048516298SVladimir Kondratiev if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { 69148516298SVladimir Kondratiev wil_err(wil, "Xtal stabilization timeout\n" 69248516298SVladimir Kondratiev "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); 69348516298SVladimir Kondratiev return -ETIME; 69448516298SVladimir Kondratiev } 69548516298SVladimir Kondratiev /* switch 10k to XTAL*/ 696b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); 69748516298SVladimir Kondratiev /* 40 MHz */ 698b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); 69948516298SVladimir Kondratiev 700b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); 701b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); 7026508281bSVladimir Kondratiev 703b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000); 704b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F); 705b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); 706b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00); 7072be7d22fSVladimir Kondratiev 708b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); 709b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); 7106508281bSVladimir Kondratiev 711b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); 712b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); 713b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); 714b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 7152be7d22fSVladimir Kondratiev 716b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); 717b9eeb512SVladimir Kondratiev /* reset A2 PCIE AHB */ 718b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); 7196508281bSVladimir Kondratiev 720b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 7212be7d22fSVladimir Kondratiev 7222cd0f021SVladimir Kondratiev /* wait until device ready. typical time is 20..80 msec */ 72336b10a72SVladimir Kondratiev do { 724520d68e7SVladimir Kondratiev msleep(RST_DELAY); 725b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_USER_BL + 726b9eeb512SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 727f1ad8c93SVladimir Kondratiev boot_loader_ready)); 728bb6c8dccSVladimir Kondratiev if (x1 != x) { 729bb6c8dccSVladimir Kondratiev wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x); 730bb6c8dccSVladimir Kondratiev x1 = x; 731bb6c8dccSVladimir Kondratiev } 732520d68e7SVladimir Kondratiev if (delay++ > RST_COUNT) { 7332cd0f021SVladimir Kondratiev wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", 73448516298SVladimir Kondratiev x); 735bbb2adc7SVladimir Kondratiev return -ETIME; 73636b10a72SVladimir Kondratiev } 737f1ad8c93SVladimir Kondratiev } while (x != BL_READY); 73836b10a72SVladimir Kondratiev 739b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); 740972072aaSVladimir Kondratiev 741e3351277SVladimir Kondratiev /* enable fix for HW bug related to the SA/DA swap in AP Rx */ 742b9eeb512SVladimir Kondratiev wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | 743e3351277SVladimir Kondratiev BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); 744e3351277SVladimir Kondratiev 745520d68e7SVladimir Kondratiev wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); 746bbb2adc7SVladimir Kondratiev return 0; 747151a9706SVladimir Kondratiev } 7482be7d22fSVladimir Kondratiev 7493fea18d0SLior David static void wil_collect_fw_info(struct wil6210_priv *wil) 7503fea18d0SLior David { 7513fea18d0SLior David struct wiphy *wiphy = wil_to_wiphy(wil); 7523fea18d0SLior David u8 retry_short; 7533fea18d0SLior David int rc; 7543fea18d0SLior David 7553fea18d0SLior David rc = wmi_get_mgmt_retry(wil, &retry_short); 7563fea18d0SLior David if (!rc) { 7573fea18d0SLior David wiphy->retry_short = retry_short; 7583fea18d0SLior David wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short); 7593fea18d0SLior David } 7603fea18d0SLior David } 7613fea18d0SLior David 7622be7d22fSVladimir Kondratiev void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) 7632be7d22fSVladimir Kondratiev { 7642be7d22fSVladimir Kondratiev le32_to_cpus(&r->base); 7652be7d22fSVladimir Kondratiev le16_to_cpus(&r->entry_size); 7662be7d22fSVladimir Kondratiev le16_to_cpus(&r->size); 7672be7d22fSVladimir Kondratiev le32_to_cpus(&r->tail); 7682be7d22fSVladimir Kondratiev le32_to_cpus(&r->head); 7692be7d22fSVladimir Kondratiev } 7702be7d22fSVladimir Kondratiev 7712cd0f021SVladimir Kondratiev static int wil_get_bl_info(struct wil6210_priv *wil) 7722cd0f021SVladimir Kondratiev { 7732cd0f021SVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 774b42f1196SHamad Kadmany struct wiphy *wiphy = wil_to_wiphy(wil); 775f1ad8c93SVladimir Kondratiev union { 776f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v0 bl0; 777f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v1 bl1; 778f1ad8c93SVladimir Kondratiev } bl; 779f1ad8c93SVladimir Kondratiev u32 bl_ver; 780f1ad8c93SVladimir Kondratiev u8 *mac; 781f1ad8c93SVladimir Kondratiev u16 rf_status; 7822cd0f021SVladimir Kondratiev 783f1ad8c93SVladimir Kondratiev wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), 78419c871ceSVladimir Kondratiev sizeof(bl)); 78519c871ceSVladimir Kondratiev bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); 78619c871ceSVladimir Kondratiev mac = bl.bl0.mac_address; 78719c871ceSVladimir Kondratiev 78819c871ceSVladimir Kondratiev if (bl_ver == 0) { 789f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.rf_type); 790f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.baseband_type); 791f1ad8c93SVladimir Kondratiev rf_status = 0; /* actually, unknown */ 792f1ad8c93SVladimir Kondratiev wil_info(wil, 793f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", 794f1ad8c93SVladimir Kondratiev bl_ver, mac, 795f1ad8c93SVladimir Kondratiev bl.bl0.rf_type, bl.bl0.baseband_type); 796f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build unknown for struct v0\n"); 79719c871ceSVladimir Kondratiev } else { 798f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.rf_type); 799f1ad8c93SVladimir Kondratiev rf_status = le16_to_cpu(bl.bl1.rf_status); 800f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl1.baseband_type); 801f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_subminor); 802f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_build); 803f1ad8c93SVladimir Kondratiev wil_info(wil, 804f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", 805f1ad8c93SVladimir Kondratiev bl_ver, mac, 806f1ad8c93SVladimir Kondratiev bl.bl1.rf_type, rf_status, 807f1ad8c93SVladimir Kondratiev bl.bl1.baseband_type); 808f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", 809f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_major, bl.bl1.bl_version_minor, 810f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); 8112cd0f021SVladimir Kondratiev } 8122cd0f021SVladimir Kondratiev 813f1ad8c93SVladimir Kondratiev if (!is_valid_ether_addr(mac)) { 814f1ad8c93SVladimir Kondratiev wil_err(wil, "BL: Invalid MAC %pM\n", mac); 815f1ad8c93SVladimir Kondratiev return -EINVAL; 816f1ad8c93SVladimir Kondratiev } 817f1ad8c93SVladimir Kondratiev 818f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 819b42f1196SHamad Kadmany ether_addr_copy(wiphy->perm_addr, mac); 8202cd0f021SVladimir Kondratiev if (!is_valid_ether_addr(ndev->dev_addr)) 821f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->dev_addr, mac); 822f1ad8c93SVladimir Kondratiev 823f1ad8c93SVladimir Kondratiev if (rf_status) {/* bad RF cable? */ 824f1ad8c93SVladimir Kondratiev wil_err(wil, "RF communication error 0x%04x", 825f1ad8c93SVladimir Kondratiev rf_status); 826f1ad8c93SVladimir Kondratiev return -EAGAIN; 827f1ad8c93SVladimir Kondratiev } 8282cd0f021SVladimir Kondratiev 8292cd0f021SVladimir Kondratiev return 0; 8302cd0f021SVladimir Kondratiev } 8312cd0f021SVladimir Kondratiev 832409ead54SVladimir Kondratiev static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) 833409ead54SVladimir Kondratiev { 834409ead54SVladimir Kondratiev u32 bl_assert_code, bl_assert_blink, bl_magic_number; 835409ead54SVladimir Kondratiev u32 bl_ver = wil_r(wil, RGF_USER_BL + 836409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 837409ead54SVladimir Kondratiev boot_loader_struct_version)); 838409ead54SVladimir Kondratiev 839409ead54SVladimir Kondratiev if (bl_ver < 2) 840409ead54SVladimir Kondratiev return; 841409ead54SVladimir Kondratiev 842409ead54SVladimir Kondratiev bl_assert_code = wil_r(wil, RGF_USER_BL + 843409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 844409ead54SVladimir Kondratiev bl_assert_code)); 845409ead54SVladimir Kondratiev bl_assert_blink = wil_r(wil, RGF_USER_BL + 846409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 847409ead54SVladimir Kondratiev bl_assert_blink)); 848409ead54SVladimir Kondratiev bl_magic_number = wil_r(wil, RGF_USER_BL + 849409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 850409ead54SVladimir Kondratiev bl_magic_number)); 851409ead54SVladimir Kondratiev 852409ead54SVladimir Kondratiev if (is_err) { 853409ead54SVladimir Kondratiev wil_err(wil, 854409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 855409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 856409ead54SVladimir Kondratiev } else { 857409ead54SVladimir Kondratiev wil_dbg_misc(wil, 858409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 859409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 860409ead54SVladimir Kondratiev } 861409ead54SVladimir Kondratiev } 862409ead54SVladimir Kondratiev 8632be7d22fSVladimir Kondratiev static int wil_wait_for_fw_ready(struct wil6210_priv *wil) 8642be7d22fSVladimir Kondratiev { 8652be7d22fSVladimir Kondratiev ulong to = msecs_to_jiffies(1000); 8662be7d22fSVladimir Kondratiev ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); 8678fe59627SVladimir Kondratiev 8682be7d22fSVladimir Kondratiev if (0 == left) { 8692be7d22fSVladimir Kondratiev wil_err(wil, "Firmware not ready\n"); 8702be7d22fSVladimir Kondratiev return -ETIME; 8712be7d22fSVladimir Kondratiev } else { 87215e23124SVladimir Kondratiev wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", 87315e23124SVladimir Kondratiev jiffies_to_msecs(to-left), wil->hw_version); 8742be7d22fSVladimir Kondratiev } 8752be7d22fSVladimir Kondratiev return 0; 8762be7d22fSVladimir Kondratiev } 8772be7d22fSVladimir Kondratiev 878035859a5SMaya Erez void wil_abort_scan(struct wil6210_priv *wil, bool sync) 879035859a5SMaya Erez { 880035859a5SMaya Erez int rc; 881035859a5SMaya Erez struct cfg80211_scan_info info = { 882035859a5SMaya Erez .aborted = true, 883035859a5SMaya Erez }; 884035859a5SMaya Erez 885035859a5SMaya Erez lockdep_assert_held(&wil->p2p_wdev_mutex); 886035859a5SMaya Erez 887035859a5SMaya Erez if (!wil->scan_request) 888035859a5SMaya Erez return; 889035859a5SMaya Erez 890035859a5SMaya Erez wil_dbg_misc(wil, "Abort scan_request 0x%p\n", wil->scan_request); 891035859a5SMaya Erez del_timer_sync(&wil->scan_timer); 892035859a5SMaya Erez mutex_unlock(&wil->p2p_wdev_mutex); 893035859a5SMaya Erez rc = wmi_abort_scan(wil); 894035859a5SMaya Erez if (!rc && sync) 895035859a5SMaya Erez wait_event_interruptible_timeout(wil->wq, !wil->scan_request, 896035859a5SMaya Erez msecs_to_jiffies( 897035859a5SMaya Erez WAIT_FOR_SCAN_ABORT_MS)); 898035859a5SMaya Erez 899035859a5SMaya Erez mutex_lock(&wil->p2p_wdev_mutex); 900035859a5SMaya Erez if (wil->scan_request) { 901035859a5SMaya Erez cfg80211_scan_done(wil->scan_request, &info); 902035859a5SMaya Erez wil->scan_request = NULL; 903035859a5SMaya Erez } 904035859a5SMaya Erez } 905035859a5SMaya Erez 9062be7d22fSVladimir Kondratiev /* 9072be7d22fSVladimir Kondratiev * We reset all the structures, and we reset the UMAC. 9082be7d22fSVladimir Kondratiev * After calling this routine, you're expected to reload 9092be7d22fSVladimir Kondratiev * the firmware. 9102be7d22fSVladimir Kondratiev */ 9112cd0f021SVladimir Kondratiev int wil_reset(struct wil6210_priv *wil, bool load_fw) 9122be7d22fSVladimir Kondratiev { 9132be7d22fSVladimir Kondratiev int rc; 9142be7d22fSVladimir Kondratiev 915af3db60aSLazar Alexei wil_dbg_misc(wil, "reset\n"); 9169cf10d62SVladimir Kondratiev 917097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 9189419b6a2SVladimir Kondratiev WARN_ON(test_bit(wil_status_napi_en, wil->status)); 919097638a0SVladimir Kondratiev 920bfc2dc7aSVladimir Kondratiev if (debug_fw) { 921bfc2dc7aSVladimir Kondratiev static const u8 mac[ETH_ALEN] = { 922bfc2dc7aSVladimir Kondratiev 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, 923bfc2dc7aSVladimir Kondratiev }; 924bfc2dc7aSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 925bfc2dc7aSVladimir Kondratiev 926bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 927bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->dev_addr, ndev->perm_addr); 928bfc2dc7aSVladimir Kondratiev return 0; 929bfc2dc7aSVladimir Kondratiev } 930bfc2dc7aSVladimir Kondratiev 93167131a1dSVladimir Kondratiev if (wil->hw_version == HW_VER_UNKNOWN) 93267131a1dSVladimir Kondratiev return -ENODEV; 93367131a1dSVladimir Kondratiev 9345f0823efSMaya Erez if (wil->platform_ops.notify) { 9355f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 9365f0823efSMaya Erez WIL_PLATFORM_EVT_PRE_RESET); 9375f0823efSMaya Erez if (rc) 938af3db60aSLazar Alexei wil_err(wil, "PRE_RESET platform notify failed, rc %d\n", 939af3db60aSLazar Alexei rc); 9405f0823efSMaya Erez } 9415f0823efSMaya Erez 942f13e0630SHamad Kadmany set_bit(wil_status_resetting, wil->status); 943f13e0630SHamad Kadmany 944097638a0SVladimir Kondratiev cancel_work_sync(&wil->disconnect_worker); 9454821e6d8SVladimir Kondratiev wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); 94641d6b093SVladimir Kondratiev wil_bcast_fini(wil); 947097638a0SVladimir Kondratiev 94810d599adSMaya Erez /* Disable device led before reset*/ 94910d599adSMaya Erez wmi_led_cfg(wil, false); 95010d599adSMaya Erez 95182e9f646SHamad Kadmany mutex_lock(&wil->p2p_wdev_mutex); 95282e9f646SHamad Kadmany wil_abort_scan(wil, false); 95382e9f646SHamad Kadmany mutex_unlock(&wil->p2p_wdev_mutex); 95482e9f646SHamad Kadmany 955452133a7SMaya Erez /* prevent NAPI from being scheduled and prevent wmi commands */ 956452133a7SMaya Erez mutex_lock(&wil->wmi_mutex); 9579419b6a2SVladimir Kondratiev bitmap_zero(wil->status, wil_status_last); 958452133a7SMaya Erez mutex_unlock(&wil->wmi_mutex); 9590fef1818SVladimir Kondratiev 960e4dbb093SVladimir Kondratiev wil_mask_irq(wil); 9612be7d22fSVladimir Kondratiev 962e08b5906SVladimir Kondratiev wmi_event_flush(wil); 963e08b5906SVladimir Kondratiev 9643277213fSVladimir Kondratiev flush_workqueue(wil->wq_service); 965e08b5906SVladimir Kondratiev flush_workqueue(wil->wmi_wq); 966e08b5906SVladimir Kondratiev 967409ead54SVladimir Kondratiev wil_bl_crash_info(wil, false); 9683ee908dcSHamad Kadmany wil_disable_irq(wil); 969bbb2adc7SVladimir Kondratiev rc = wil_target_reset(wil); 9703ee908dcSHamad Kadmany wil6210_clear_irq(wil); 9713ee908dcSHamad Kadmany wil_enable_irq(wil); 9728bf6adb9SVladimir Kondratiev wil_rx_fini(wil); 973409ead54SVladimir Kondratiev if (rc) { 974409ead54SVladimir Kondratiev wil_bl_crash_info(wil, true); 975bbb2adc7SVladimir Kondratiev return rc; 976409ead54SVladimir Kondratiev } 977bbb2adc7SVladimir Kondratiev 9782cd0f021SVladimir Kondratiev rc = wil_get_bl_info(wil); 979f1ad8c93SVladimir Kondratiev if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */ 980f1ad8c93SVladimir Kondratiev rc = 0; 9812cd0f021SVladimir Kondratiev if (rc) 9822cd0f021SVladimir Kondratiev return rc; 9832cd0f021SVladimir Kondratiev 9841f1a361aSLior David wil_set_oob_mode(wil, oob_mode); 9852cd0f021SVladimir Kondratiev if (load_fw) { 986a351f2f5SLazar Alexei wil_info(wil, "Use firmware <%s> + board <%s>\n", 987a351f2f5SLazar Alexei wil->wil_fw_name, WIL_BOARD_FILE_NAME); 9882cd0f021SVladimir Kondratiev 989151a9706SVladimir Kondratiev wil_halt_cpu(wil); 99013cd9f75SLior David memset(wil->fw_version, 0, sizeof(wil->fw_version)); 991151a9706SVladimir Kondratiev /* Loading f/w from the file */ 992a351f2f5SLazar Alexei rc = wil_request_firmware(wil, wil->wil_fw_name, true); 993151a9706SVladimir Kondratiev if (rc) 994151a9706SVladimir Kondratiev return rc; 995a351f2f5SLazar Alexei rc = wil_request_firmware(wil, WIL_BOARD_FILE_NAME, true); 9962cd0f021SVladimir Kondratiev if (rc) 9972cd0f021SVladimir Kondratiev return rc; 998151a9706SVladimir Kondratiev 9992cd0f021SVladimir Kondratiev /* Mark FW as loaded from host */ 1000b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_USAGE_6, 1); 10012cd0f021SVladimir Kondratiev 10022cd0f021SVladimir Kondratiev /* clear any interrupts which on-card-firmware 10032cd0f021SVladimir Kondratiev * may have set 10042cd0f021SVladimir Kondratiev */ 1005151a9706SVladimir Kondratiev wil6210_clear_irq(wil); 10062cd0f021SVladimir Kondratiev /* CAF_ICR - clear and mask */ 10072cd0f021SVladimir Kondratiev /* it is W1C, clear by writing back same value */ 1008b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); 1009b9eeb512SVladimir Kondratiev wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); 1010151a9706SVladimir Kondratiev 1011151a9706SVladimir Kondratiev wil_release_cpu(wil); 1012151a9706SVladimir Kondratiev } 10138bf6adb9SVladimir Kondratiev 10142be7d22fSVladimir Kondratiev /* init after reset */ 101502beaf1aSVladimir Kondratiev wil->ap_isolate = 0; 101616735d02SWolfram Sang reinit_completion(&wil->wmi_ready); 101759502647SDedy Lansky reinit_completion(&wil->wmi_call); 1018349214c1SMaya Erez reinit_completion(&wil->halp.comp); 10192be7d22fSVladimir Kondratiev 10202cd0f021SVladimir Kondratiev if (load_fw) { 102178366f69SVladimir Kondratiev wil_configure_interrupt_moderation(wil); 1022e4dbb093SVladimir Kondratiev wil_unmask_irq(wil); 10232be7d22fSVladimir Kondratiev 10242be7d22fSVladimir Kondratiev /* we just started MAC, wait for FW ready */ 10252be7d22fSVladimir Kondratiev rc = wil_wait_for_fw_ready(wil); 10265f0823efSMaya Erez if (rc) 10275f0823efSMaya Erez return rc; 10285f0823efSMaya Erez 10295f0823efSMaya Erez /* check FW is responsive */ 1030cec94d8cSVladimir Kondratiev rc = wmi_echo(wil); 10315f0823efSMaya Erez if (rc) { 1032af3db60aSLazar Alexei wil_err(wil, "wmi_echo failed, rc %d\n", rc); 10335f0823efSMaya Erez return rc; 10345f0823efSMaya Erez } 10355f0823efSMaya Erez 10363fea18d0SLior David wil_collect_fw_info(wil); 10373fea18d0SLior David 10385f0823efSMaya Erez if (wil->platform_ops.notify) { 10395f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 10405f0823efSMaya Erez WIL_PLATFORM_EVT_FW_RDY); 10415f0823efSMaya Erez if (rc) { 1042af3db60aSLazar Alexei wil_err(wil, "FW_RDY notify failed, rc %d\n", 1043af3db60aSLazar Alexei rc); 10445f0823efSMaya Erez rc = 0; 10455f0823efSMaya Erez } 10465f0823efSMaya Erez } 10472cd0f021SVladimir Kondratiev } 10482be7d22fSVladimir Kondratiev 10492be7d22fSVladimir Kondratiev return rc; 10502be7d22fSVladimir Kondratiev } 10512be7d22fSVladimir Kondratiev 1052ed6f9dc6SVladimir Kondratiev void wil_fw_error_recovery(struct wil6210_priv *wil) 1053ed6f9dc6SVladimir Kondratiev { 1054ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "starting fw error recovery\n"); 1055f13e0630SHamad Kadmany 1056f13e0630SHamad Kadmany if (test_bit(wil_status_resetting, wil->status)) { 1057f13e0630SHamad Kadmany wil_info(wil, "Reset already in progress\n"); 1058f13e0630SHamad Kadmany return; 1059f13e0630SHamad Kadmany } 1060f13e0630SHamad Kadmany 1061c33407a8SVladimir Kondratiev wil->recovery_state = fw_recovery_pending; 1062ed6f9dc6SVladimir Kondratiev schedule_work(&wil->fw_error_worker); 1063ed6f9dc6SVladimir Kondratiev } 10642be7d22fSVladimir Kondratiev 106573d839aeSVladimir Kondratiev int __wil_up(struct wil6210_priv *wil) 10662be7d22fSVladimir Kondratiev { 10672be7d22fSVladimir Kondratiev struct net_device *ndev = wil_to_ndev(wil); 10682be7d22fSVladimir Kondratiev struct wireless_dev *wdev = wil->wdev; 10692be7d22fSVladimir Kondratiev int rc; 10702be7d22fSVladimir Kondratiev 1071097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1072097638a0SVladimir Kondratiev 10732cd0f021SVladimir Kondratiev rc = wil_reset(wil, true); 10742be7d22fSVladimir Kondratiev if (rc) 10752be7d22fSVladimir Kondratiev return rc; 10762be7d22fSVladimir Kondratiev 1077e31b2562SVladimir Kondratiev /* Rx VRING. After MAC and beacon */ 1078d3762b40SVladimir Kondratiev rc = wil_rx_init(wil, 1 << rx_ring_order); 1079e31b2562SVladimir Kondratiev if (rc) 1080e31b2562SVladimir Kondratiev return rc; 1081e31b2562SVladimir Kondratiev 10822be7d22fSVladimir Kondratiev switch (wdev->iftype) { 10832be7d22fSVladimir Kondratiev case NL80211_IFTYPE_STATION: 10847743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: STATION\n"); 10852be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 10862be7d22fSVladimir Kondratiev break; 10872be7d22fSVladimir Kondratiev case NL80211_IFTYPE_AP: 10887743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: AP\n"); 10892be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 10902be7d22fSVladimir Kondratiev break; 10912be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 10927743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_CLIENT\n"); 10932be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 10942be7d22fSVladimir Kondratiev break; 10952be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 10967743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_GO\n"); 10972be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 10982be7d22fSVladimir Kondratiev break; 10992be7d22fSVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 11007743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: Monitor\n"); 11012be7d22fSVladimir Kondratiev ndev->type = ARPHRD_IEEE80211_RADIOTAP; 11022be7d22fSVladimir Kondratiev /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ 11032be7d22fSVladimir Kondratiev break; 11042be7d22fSVladimir Kondratiev default: 11052be7d22fSVladimir Kondratiev return -EOPNOTSUPP; 11062be7d22fSVladimir Kondratiev } 11072be7d22fSVladimir Kondratiev 11082be7d22fSVladimir Kondratiev /* MAC address - pre-requisite for other commands */ 11092be7d22fSVladimir Kondratiev wmi_set_mac_address(wil, ndev->dev_addr); 11102be7d22fSVladimir Kondratiev 111173d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI enable\n"); 1112e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_rx); 1113e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_tx); 11149419b6a2SVladimir Kondratiev set_bit(wil_status_napi_en, wil->status); 1115e0287c4aSVladimir Kondratiev 11169953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1117f772ebfbSVladimir Kondratiev 11182be7d22fSVladimir Kondratiev return 0; 11192be7d22fSVladimir Kondratiev } 11202be7d22fSVladimir Kondratiev 11212be7d22fSVladimir Kondratiev int wil_up(struct wil6210_priv *wil) 11222be7d22fSVladimir Kondratiev { 11232be7d22fSVladimir Kondratiev int rc; 11242be7d22fSVladimir Kondratiev 1125af3db60aSLazar Alexei wil_dbg_misc(wil, "up\n"); 11269cf10d62SVladimir Kondratiev 11272be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 11282be7d22fSVladimir Kondratiev rc = __wil_up(wil); 11292be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 11302be7d22fSVladimir Kondratiev 11312be7d22fSVladimir Kondratiev return rc; 11322be7d22fSVladimir Kondratiev } 11332be7d22fSVladimir Kondratiev 113473d839aeSVladimir Kondratiev int __wil_down(struct wil6210_priv *wil) 11352be7d22fSVladimir Kondratiev { 1136097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1137097638a0SVladimir Kondratiev 1138b0c0e688SLazar Alexei set_bit(wil_status_resetting, wil->status); 1139b0c0e688SLazar Alexei 11409953a782SLior David wil6210_bus_request(wil, 0); 1141f772ebfbSVladimir Kondratiev 114273d839aeSVladimir Kondratiev wil_disable_irq(wil); 11439419b6a2SVladimir Kondratiev if (test_and_clear_bit(wil_status_napi_en, wil->status)) { 1144e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_rx); 1145e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_tx); 114673d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI disable\n"); 114773d839aeSVladimir Kondratiev } 114873d839aeSVladimir Kondratiev wil_enable_irq(wil); 1149e0287c4aSVladimir Kondratiev 11505ffae432SLior David mutex_lock(&wil->p2p_wdev_mutex); 1151035859a5SMaya Erez wil_p2p_stop_radio_operations(wil); 1152035859a5SMaya Erez wil_abort_scan(wil, false); 11535ffae432SLior David mutex_unlock(&wil->p2p_wdev_mutex); 11542be7d22fSVladimir Kondratiev 11552cd0f021SVladimir Kondratiev wil_reset(wil, false); 11562be7d22fSVladimir Kondratiev 11572be7d22fSVladimir Kondratiev return 0; 11582be7d22fSVladimir Kondratiev } 11592be7d22fSVladimir Kondratiev 11602be7d22fSVladimir Kondratiev int wil_down(struct wil6210_priv *wil) 11612be7d22fSVladimir Kondratiev { 11622be7d22fSVladimir Kondratiev int rc; 11632be7d22fSVladimir Kondratiev 1164af3db60aSLazar Alexei wil_dbg_misc(wil, "down\n"); 11659cf10d62SVladimir Kondratiev 1166c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 11672be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 11682be7d22fSVladimir Kondratiev rc = __wil_down(wil); 11692be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 11702be7d22fSVladimir Kondratiev 11712be7d22fSVladimir Kondratiev return rc; 11722be7d22fSVladimir Kondratiev } 11733df2cd36SVladimir Kondratiev 11743df2cd36SVladimir Kondratiev int wil_find_cid(struct wil6210_priv *wil, const u8 *mac) 11753df2cd36SVladimir Kondratiev { 11763df2cd36SVladimir Kondratiev int i; 11773df2cd36SVladimir Kondratiev int rc = -ENOENT; 11783df2cd36SVladimir Kondratiev 11793df2cd36SVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 11803df2cd36SVladimir Kondratiev if ((wil->sta[i].status != wil_sta_unused) && 1181108d1eb6SVladimir Kondratiev ether_addr_equal(wil->sta[i].addr, mac)) { 11823df2cd36SVladimir Kondratiev rc = i; 11833df2cd36SVladimir Kondratiev break; 11843df2cd36SVladimir Kondratiev } 11853df2cd36SVladimir Kondratiev } 11863df2cd36SVladimir Kondratiev 11873df2cd36SVladimir Kondratiev return rc; 11883df2cd36SVladimir Kondratiev } 1189349214c1SMaya Erez 1190349214c1SMaya Erez void wil_halp_vote(struct wil6210_priv *wil) 1191349214c1SMaya Erez { 1192349214c1SMaya Erez unsigned long rc; 1193349214c1SMaya Erez unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); 1194349214c1SMaya Erez 1195349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1196349214c1SMaya Erez 1197af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n", 1198349214c1SMaya Erez wil->halp.ref_cnt); 1199349214c1SMaya Erez 1200349214c1SMaya Erez if (++wil->halp.ref_cnt == 1) { 120118618a9fSMaya Erez reinit_completion(&wil->halp.comp); 1202349214c1SMaya Erez wil6210_set_halp(wil); 1203349214c1SMaya Erez rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); 1204f1b7764fSMaya Erez if (!rc) { 1205af3db60aSLazar Alexei wil_err(wil, "HALP vote timed out\n"); 1206f1b7764fSMaya Erez /* Mask HALP as done in case the interrupt is raised */ 1207f1b7764fSMaya Erez wil6210_mask_halp(wil); 1208f1b7764fSMaya Erez } else { 1209ef86f249SLior David wil_dbg_irq(wil, 1210af3db60aSLazar Alexei "halp_vote: HALP vote completed after %d ms\n", 1211349214c1SMaya Erez jiffies_to_msecs(to_jiffies - rc)); 1212349214c1SMaya Erez } 1213f1b7764fSMaya Erez } 1214349214c1SMaya Erez 1215af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n", 1216349214c1SMaya Erez wil->halp.ref_cnt); 1217349214c1SMaya Erez 1218349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1219349214c1SMaya Erez } 1220349214c1SMaya Erez 1221349214c1SMaya Erez void wil_halp_unvote(struct wil6210_priv *wil) 1222349214c1SMaya Erez { 1223349214c1SMaya Erez WARN_ON(wil->halp.ref_cnt == 0); 1224349214c1SMaya Erez 1225349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1226349214c1SMaya Erez 1227af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n", 1228349214c1SMaya Erez wil->halp.ref_cnt); 1229349214c1SMaya Erez 1230349214c1SMaya Erez if (--wil->halp.ref_cnt == 0) { 1231349214c1SMaya Erez wil6210_clear_halp(wil); 1232af3db60aSLazar Alexei wil_dbg_irq(wil, "HALP unvote\n"); 1233349214c1SMaya Erez } 1234349214c1SMaya Erez 1235af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n", 1236349214c1SMaya Erez wil->halp.ref_cnt); 1237349214c1SMaya Erez 1238349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1239349214c1SMaya Erez } 1240