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" 2496c93589SGidon Studinski #include "txrx_edma.h" 25f172b563SDedy Lansky #include "wmi.h" 26f1ad8c93SVladimir Kondratiev #include "boot_loader.h" 27f172b563SDedy Lansky 28349214c1SMaya Erez #define WAIT_FOR_HALP_VOTE_MS 100 29035859a5SMaya Erez #define WAIT_FOR_SCAN_ABORT_MS 1000 3096c93589SGidon Studinski #define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1 31349214c1SMaya Erez 32bfc2dc7aSVladimir Kondratiev bool debug_fw; /* = false; */ 3378484c44SMaya Erez module_param(debug_fw, bool, 0444); 34bfc2dc7aSVladimir Kondratiev MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); 35bfc2dc7aSVladimir Kondratiev 36b8c31b5dSLior David static u8 oob_mode; 37b8c31b5dSLior David module_param(oob_mode, byte, 0444); 381f1a361aSLior David MODULE_PARM_DESC(oob_mode, 391f1a361aSLior David " enable out of the box (OOB) mode in FW, for diagnostics and certification"); 401f1a361aSLior David 41c33407a8SVladimir Kondratiev bool no_fw_recovery; 4278484c44SMaya Erez module_param(no_fw_recovery, bool, 0644); 43c33407a8SVladimir Kondratiev MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); 44ed6f9dc6SVladimir Kondratiev 45ab954628SVladimir Kondratiev /* if not set via modparam, will be set to default value of 1/8 of 46ab954628SVladimir Kondratiev * rx ring size during init flow 47ab954628SVladimir Kondratiev */ 48ab954628SVladimir Kondratiev unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; 4978484c44SMaya Erez module_param(rx_ring_overflow_thrsh, ushort, 0444); 50ab954628SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_overflow_thrsh, 51ab954628SVladimir Kondratiev " RX ring overflow threshold in descriptors."); 52b6b1b0ecSVladimir Kondratiev 539a06bec9SVladimir Kondratiev /* We allow allocation of more than 1 page buffers to support large packets. 549a06bec9SVladimir Kondratiev * It is suboptimal behavior performance wise in case MTU above page size. 559a06bec9SVladimir Kondratiev */ 56c44690a1SVladimir Kondratiev unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; 579a06bec9SVladimir Kondratiev static int mtu_max_set(const char *val, const struct kernel_param *kp) 589a06bec9SVladimir Kondratiev { 599a06bec9SVladimir Kondratiev int ret; 609a06bec9SVladimir Kondratiev 619a06bec9SVladimir Kondratiev /* sets mtu_max directly. no need to restore it in case of 629a06bec9SVladimir Kondratiev * illegal value since we assume this will fail insmod 639a06bec9SVladimir Kondratiev */ 649a06bec9SVladimir Kondratiev ret = param_set_uint(val, kp); 659a06bec9SVladimir Kondratiev if (ret) 669a06bec9SVladimir Kondratiev return ret; 679a06bec9SVladimir Kondratiev 684590d812SVladimir Kondratiev if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) 699a06bec9SVladimir Kondratiev ret = -EINVAL; 709a06bec9SVladimir Kondratiev 719a06bec9SVladimir Kondratiev return ret; 729a06bec9SVladimir Kondratiev } 739a06bec9SVladimir Kondratiev 749c27847dSLuis R. Rodriguez static const struct kernel_param_ops mtu_max_ops = { 759a06bec9SVladimir Kondratiev .set = mtu_max_set, 769a06bec9SVladimir Kondratiev .get = param_get_uint, 779a06bec9SVladimir Kondratiev }; 789a06bec9SVladimir Kondratiev 7978484c44SMaya Erez module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444); 809a06bec9SVladimir Kondratiev MODULE_PARM_DESC(mtu_max, " Max MTU value."); 819a06bec9SVladimir Kondratiev 82d3762b40SVladimir Kondratiev static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT; 83d3762b40SVladimir Kondratiev static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; 8441d6b093SVladimir Kondratiev static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; 85d3762b40SVladimir Kondratiev 86d3762b40SVladimir Kondratiev static int ring_order_set(const char *val, const struct kernel_param *kp) 87d3762b40SVladimir Kondratiev { 88d3762b40SVladimir Kondratiev int ret; 89d3762b40SVladimir Kondratiev uint x; 90d3762b40SVladimir Kondratiev 91d3762b40SVladimir Kondratiev ret = kstrtouint(val, 0, &x); 92d3762b40SVladimir Kondratiev if (ret) 93d3762b40SVladimir Kondratiev return ret; 94d3762b40SVladimir Kondratiev 95d3762b40SVladimir Kondratiev if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) 96d3762b40SVladimir Kondratiev return -EINVAL; 97d3762b40SVladimir Kondratiev 98d3762b40SVladimir Kondratiev *((uint *)kp->arg) = x; 99d3762b40SVladimir Kondratiev 100d3762b40SVladimir Kondratiev return 0; 101d3762b40SVladimir Kondratiev } 102d3762b40SVladimir Kondratiev 1039c27847dSLuis R. Rodriguez static const struct kernel_param_ops ring_order_ops = { 104d3762b40SVladimir Kondratiev .set = ring_order_set, 105d3762b40SVladimir Kondratiev .get = param_get_uint, 106d3762b40SVladimir Kondratiev }; 107d3762b40SVladimir Kondratiev 10878484c44SMaya Erez module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444); 109d3762b40SVladimir Kondratiev MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); 11078484c44SMaya Erez module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444); 111d3762b40SVladimir Kondratiev MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); 11278484c44SMaya Erez module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); 113d507d1b7SVladimir Kondratiev MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); 114d3762b40SVladimir Kondratiev 115520d68e7SVladimir Kondratiev #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ 116520d68e7SVladimir Kondratiev #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ 117520d68e7SVladimir Kondratiev 1182be7d22fSVladimir Kondratiev /* 1192be7d22fSVladimir Kondratiev * Due to a hardware issue, 1202be7d22fSVladimir Kondratiev * one has to read/write to/from NIC in 32-bit chunks; 1212be7d22fSVladimir Kondratiev * regular memcpy_fromio and siblings will 1222be7d22fSVladimir Kondratiev * not work on 64-bit platform - it uses 64-bit transactions 1232be7d22fSVladimir Kondratiev * 1242be7d22fSVladimir Kondratiev * Force 32-bit transactions to enable NIC on 64-bit platforms 1252be7d22fSVladimir Kondratiev * 1262be7d22fSVladimir Kondratiev * To avoid byte swap on big endian host, __raw_{read|write}l 1272be7d22fSVladimir Kondratiev * should be used - {read|write}l would swap bytes to provide 1282be7d22fSVladimir Kondratiev * little endian on PCI value in host endianness. 1292be7d22fSVladimir Kondratiev */ 1302be7d22fSVladimir Kondratiev void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, 1312be7d22fSVladimir Kondratiev size_t count) 1322be7d22fSVladimir Kondratiev { 1332be7d22fSVladimir Kondratiev u32 *d = dst; 1342be7d22fSVladimir Kondratiev const volatile u32 __iomem *s = src; 1352be7d22fSVladimir Kondratiev 1360f6edfe2SDedy Lansky for (; count >= 4; count -= 4) 1372be7d22fSVladimir Kondratiev *d++ = __raw_readl(s++); 1380f6edfe2SDedy Lansky 1390f6edfe2SDedy Lansky if (unlikely(count)) { 1400f6edfe2SDedy Lansky /* count can be 1..3 */ 1410f6edfe2SDedy Lansky u32 tmp = __raw_readl(s); 1420f6edfe2SDedy Lansky 1430f6edfe2SDedy Lansky memcpy(d, &tmp, count); 1440f6edfe2SDedy Lansky } 1452be7d22fSVladimir Kondratiev } 1462be7d22fSVladimir Kondratiev 1472be7d22fSVladimir Kondratiev void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, 1482be7d22fSVladimir Kondratiev size_t count) 1492be7d22fSVladimir Kondratiev { 1502be7d22fSVladimir Kondratiev volatile u32 __iomem *d = dst; 1512be7d22fSVladimir Kondratiev const u32 *s = src; 1522be7d22fSVladimir Kondratiev 1530f6edfe2SDedy Lansky for (; count >= 4; count -= 4) 1542be7d22fSVladimir Kondratiev __raw_writel(*s++, d++); 1550f6edfe2SDedy Lansky 1560f6edfe2SDedy Lansky if (unlikely(count)) { 1570f6edfe2SDedy Lansky /* count can be 1..3 */ 1580f6edfe2SDedy Lansky u32 tmp = 0; 1590f6edfe2SDedy Lansky 1600f6edfe2SDedy Lansky memcpy(&tmp, s, count); 1610f6edfe2SDedy Lansky __raw_writel(tmp, d); 1620f6edfe2SDedy Lansky } 1632be7d22fSVladimir Kondratiev } 1642be7d22fSVladimir Kondratiev 16596c93589SGidon Studinski static void wil_ring_fini_tx(struct wil6210_priv *wil, int id) 16696c93589SGidon Studinski { 16796c93589SGidon Studinski struct wil_ring *ring = &wil->ring_tx[id]; 16896c93589SGidon Studinski struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; 16996c93589SGidon Studinski 17096c93589SGidon Studinski lockdep_assert_held(&wil->mutex); 17196c93589SGidon Studinski 17296c93589SGidon Studinski if (!ring->va) 17396c93589SGidon Studinski return; 17496c93589SGidon Studinski 17596c93589SGidon Studinski wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id); 17696c93589SGidon Studinski 17796c93589SGidon Studinski spin_lock_bh(&txdata->lock); 17896c93589SGidon Studinski txdata->dot1x_open = false; 17996c93589SGidon Studinski txdata->mid = U8_MAX; 18096c93589SGidon Studinski txdata->enabled = 0; /* no Tx can be in progress or start anew */ 18196c93589SGidon Studinski spin_unlock_bh(&txdata->lock); 18296c93589SGidon Studinski /* napi_synchronize waits for completion of the current NAPI but will 18396c93589SGidon Studinski * not prevent the next NAPI run. 18496c93589SGidon Studinski * Add a memory barrier to guarantee that txdata->enabled is zeroed 18596c93589SGidon Studinski * before napi_synchronize so that the next scheduled NAPI will not 18696c93589SGidon Studinski * handle this vring 18796c93589SGidon Studinski */ 18896c93589SGidon Studinski wmb(); 18996c93589SGidon Studinski /* make sure NAPI won't touch this vring */ 19096c93589SGidon Studinski if (test_bit(wil_status_napi_en, wil->status)) 19196c93589SGidon Studinski napi_synchronize(&wil->napi_tx); 19296c93589SGidon Studinski 19396c93589SGidon Studinski wil->txrx_ops.ring_fini_tx(wil, ring); 19496c93589SGidon Studinski } 19596c93589SGidon Studinski 196e00243faSLior David static void wil_disconnect_cid(struct wil6210_vif *vif, int cid, 1974821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 198bd33273bSVladimir Kondratiev __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 1992be7d22fSVladimir Kondratiev { 20091886b0bSVladimir Kondratiev uint i; 201e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 202e00243faSLior David struct net_device *ndev = vif_to_ndev(vif); 203e00243faSLior David struct wireless_dev *wdev = vif_to_wdev(vif); 204b4490f42SVladimir Kondratiev struct wil_sta_info *sta = &wil->sta[cid]; 2058fe59627SVladimir Kondratiev 206bd33273bSVladimir Kondratiev might_sleep(); 207e00243faSLior David wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n", 208e00243faSLior David cid, sta->mid, sta->status); 20958527421SVladimir Kondratiev /* inform upper/lower layers */ 2104d55a0a1SVladimir Kondratiev if (sta->status != wil_sta_unused) { 2115bd60982SLior David if (vif->mid != sta->mid) { 2125bd60982SLior David wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", 2135bd60982SLior David vif->mid); 2145bd60982SLior David /* let FW override sta->mid but be more strict with 2155bd60982SLior David * user space requests 2165bd60982SLior David */ 2175bd60982SLior David if (!from_event) 2185bd60982SLior David return; 2195bd60982SLior David } 220849a564bSDedy Lansky if (!from_event) { 221849a564bSDedy Lansky bool del_sta = (wdev->iftype == NL80211_IFTYPE_AP) ? 222849a564bSDedy Lansky disable_ap_sme : false; 223e00243faSLior David wmi_disconnect_sta(vif, sta->addr, reason_code, 224849a564bSDedy Lansky true, del_sta); 225849a564bSDedy Lansky } 226b516fcc5SVladimir Kondratiev 227fc58f681SVladimir Kondratiev switch (wdev->iftype) { 228fc58f681SVladimir Kondratiev case NL80211_IFTYPE_AP: 229fc58f681SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 230fc58f681SVladimir Kondratiev /* AP-like interface */ 231fc58f681SVladimir Kondratiev cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); 232fc58f681SVladimir Kondratiev break; 233fc58f681SVladimir Kondratiev default: 234fc58f681SVladimir Kondratiev break; 235fc58f681SVladimir Kondratiev } 2364d55a0a1SVladimir Kondratiev sta->status = wil_sta_unused; 237e00243faSLior David sta->mid = U8_MAX; 2384d55a0a1SVladimir Kondratiev } 23958527421SVladimir Kondratiev /* reorder buffers */ 240b4490f42SVladimir Kondratiev for (i = 0; i < WIL_STA_TID_NUM; i++) { 241ec81b5adSDedy Lansky struct wil_tid_ampdu_rx *r; 242ec81b5adSDedy Lansky 243bd33273bSVladimir Kondratiev spin_lock_bh(&sta->tid_rx_lock); 244ec81b5adSDedy Lansky 245ec81b5adSDedy Lansky r = sta->tid_rx[i]; 246b4490f42SVladimir Kondratiev sta->tid_rx[i] = NULL; 247b4490f42SVladimir Kondratiev wil_tid_ampdu_rx_free(wil, r); 248ec81b5adSDedy Lansky 249bd33273bSVladimir Kondratiev spin_unlock_bh(&sta->tid_rx_lock); 250b4490f42SVladimir Kondratiev } 25158527421SVladimir Kondratiev /* crypto context */ 25258527421SVladimir Kondratiev memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); 25358527421SVladimir Kondratiev memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); 25458527421SVladimir Kondratiev /* release vrings */ 25510590c6aSGidon Studinski for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) { 25610590c6aSGidon Studinski if (wil->ring2cid_tid[i][0] == cid) 25710590c6aSGidon Studinski wil_ring_fini_tx(wil, i); 25891886b0bSVladimir Kondratiev } 25958527421SVladimir Kondratiev /* statistics */ 26091886b0bSVladimir Kondratiev memset(&sta->stats, 0, sizeof(sta->stats)); 261b4490f42SVladimir Kondratiev } 262b4490f42SVladimir Kondratiev 263e00243faSLior David static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid) 26454eaa8c6SMaya Erez { 26554eaa8c6SMaya Erez int i; 26654eaa8c6SMaya Erez 26754eaa8c6SMaya Erez for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 268e00243faSLior David if (wil->sta[i].mid == mid && 269e00243faSLior David wil->sta[i].status == wil_sta_connected) 27054eaa8c6SMaya Erez return true; 27154eaa8c6SMaya Erez } 27254eaa8c6SMaya Erez 27354eaa8c6SMaya Erez return false; 27454eaa8c6SMaya Erez } 27554eaa8c6SMaya Erez 276e00243faSLior David static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 2774821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 27891886b0bSVladimir Kondratiev { 279e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 28091886b0bSVladimir Kondratiev int cid = -ENOENT; 281e00243faSLior David struct net_device *ndev; 282e00243faSLior David struct wireless_dev *wdev; 28391886b0bSVladimir Kondratiev 284e00243faSLior David if (unlikely(!vif)) 2852690c4c0SLior David return; 2862690c4c0SLior David 287e00243faSLior David ndev = vif_to_ndev(vif); 288e00243faSLior David wdev = vif_to_wdev(vif); 289e00243faSLior David 29091886b0bSVladimir Kondratiev might_sleep(); 291af3db60aSLazar Alexei wil_info(wil, "bssid=%pM, reason=%d, ev%s\n", bssid, 292100106d7SVladimir Kondratiev reason_code, from_event ? "+" : "-"); 29391886b0bSVladimir Kondratiev 294100106d7SVladimir Kondratiev /* Cases are: 295100106d7SVladimir Kondratiev * - disconnect single STA, still connected 296100106d7SVladimir Kondratiev * - disconnect single STA, already disconnected 297100106d7SVladimir Kondratiev * - disconnect all 298100106d7SVladimir Kondratiev * 29968682b41SVladimir Kondratiev * For "disconnect all", there are 3 options: 300100106d7SVladimir Kondratiev * - bssid == NULL 30168682b41SVladimir Kondratiev * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) 302100106d7SVladimir Kondratiev * - bssid is our MAC address 303100106d7SVladimir Kondratiev */ 30468682b41SVladimir Kondratiev if (bssid && !is_broadcast_ether_addr(bssid) && 30568682b41SVladimir Kondratiev !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { 306e00243faSLior David cid = wil_find_cid(wil, vif->mid, bssid); 307100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", 308100106d7SVladimir Kondratiev bssid, cid, reason_code); 30991886b0bSVladimir Kondratiev if (cid >= 0) /* disconnect 1 peer */ 310e00243faSLior David wil_disconnect_cid(vif, cid, reason_code, from_event); 311100106d7SVladimir Kondratiev } else { /* all */ 312100106d7SVladimir Kondratiev wil_dbg_misc(wil, "Disconnect all\n"); 31391886b0bSVladimir Kondratiev for (cid = 0; cid < WIL6210_MAX_CID; cid++) 314e00243faSLior David wil_disconnect_cid(vif, cid, reason_code, from_event); 315100106d7SVladimir Kondratiev } 31691886b0bSVladimir Kondratiev 31791886b0bSVladimir Kondratiev /* link state */ 31891886b0bSVladimir Kondratiev switch (wdev->iftype) { 31991886b0bSVladimir Kondratiev case NL80211_IFTYPE_STATION: 32091886b0bSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 321e00243faSLior David wil_bcast_fini(vif); 3225bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 323c5e96c91SDedy Lansky netif_carrier_off(ndev); 3245bd60982SLior David if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 3259953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 326c5e96c91SDedy Lansky 3275bd60982SLior David if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) { 3285bd60982SLior David atomic_dec(&wil->connected_vifs); 3294821e6d8SVladimir Kondratiev cfg80211_disconnected(ndev, reason_code, 3303b56c15fSDedy Lansky NULL, 0, 331e00243faSLior David vif->locally_generated_disc, 3323b56c15fSDedy Lansky GFP_KERNEL); 333e00243faSLior David vif->locally_generated_disc = false; 3345bd60982SLior David } else if (test_bit(wil_vif_fwconnecting, vif->status)) { 3352be7d22fSVladimir Kondratiev cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, 3362be7d22fSVladimir Kondratiev WLAN_STATUS_UNSPECIFIED_FAILURE, 3372be7d22fSVladimir Kondratiev GFP_KERNEL); 338e00243faSLior David vif->bss = NULL; 3392be7d22fSVladimir Kondratiev } 3405bd60982SLior David clear_bit(wil_vif_fwconnecting, vif->status); 34191886b0bSVladimir Kondratiev break; 34254eaa8c6SMaya Erez case NL80211_IFTYPE_AP: 34354eaa8c6SMaya Erez case NL80211_IFTYPE_P2P_GO: 344e00243faSLior David if (!wil_vif_is_connected(wil, vif->mid)) { 3455bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 3465bd60982SLior David if (test_and_clear_bit(wil_vif_fwconnected, 3475bd60982SLior David vif->status)) 3485bd60982SLior David atomic_dec(&wil->connected_vifs); 349f9e3033fSDedy Lansky } else { 3505bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, false); 351f9e3033fSDedy Lansky } 35254eaa8c6SMaya Erez break; 35391886b0bSVladimir Kondratiev default: 35491886b0bSVladimir Kondratiev break; 35591886b0bSVladimir Kondratiev } 3562be7d22fSVladimir Kondratiev } 3572be7d22fSVladimir Kondratiev 358e00243faSLior David void wil_disconnect_worker(struct work_struct *work) 3592be7d22fSVladimir Kondratiev { 360e00243faSLior David struct wil6210_vif *vif = container_of(work, 361e00243faSLior David struct wil6210_vif, disconnect_worker); 362e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 363e00243faSLior David struct net_device *ndev = vif_to_ndev(vif); 364628639b1SDedy Lansky int rc; 365628639b1SDedy Lansky struct { 366628639b1SDedy Lansky struct wmi_cmd_hdr wmi; 367628639b1SDedy Lansky struct wmi_disconnect_event evt; 368628639b1SDedy Lansky } __packed reply; 3692be7d22fSVladimir Kondratiev 3705bd60982SLior David if (test_bit(wil_vif_fwconnected, vif->status)) 371628639b1SDedy Lansky /* connect succeeded after all */ 372628639b1SDedy Lansky return; 373628639b1SDedy Lansky 3745bd60982SLior David if (!test_bit(wil_vif_fwconnecting, vif->status)) 375628639b1SDedy Lansky /* already disconnected */ 376628639b1SDedy Lansky return; 377628639b1SDedy Lansky 378807b0860SAlexei Avshalom Lazar memset(&reply, 0, sizeof(reply)); 379807b0860SAlexei Avshalom Lazar 380e00243faSLior David rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 381628639b1SDedy Lansky WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 382628639b1SDedy Lansky WIL6210_DISCONNECT_TO_MS); 383628639b1SDedy Lansky if (rc) { 384628639b1SDedy Lansky wil_err(wil, "disconnect error %d\n", rc); 385628639b1SDedy Lansky return; 386628639b1SDedy Lansky } 387628639b1SDedy Lansky 3885bd60982SLior David wil_update_net_queues_bh(wil, vif, NULL, true); 389628639b1SDedy Lansky netif_carrier_off(ndev); 390628639b1SDedy Lansky cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0, 391628639b1SDedy Lansky WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); 3925bd60982SLior David clear_bit(wil_vif_fwconnecting, vif->status); 3932be7d22fSVladimir Kondratiev } 3942be7d22fSVladimir Kondratiev 395c33407a8SVladimir Kondratiev static int wil_wait_for_recovery(struct wil6210_priv *wil) 396c33407a8SVladimir Kondratiev { 397c33407a8SVladimir Kondratiev if (wait_event_interruptible(wil->wq, wil->recovery_state != 398c33407a8SVladimir Kondratiev fw_recovery_pending)) { 399c33407a8SVladimir Kondratiev wil_err(wil, "Interrupt, canceling recovery\n"); 400c33407a8SVladimir Kondratiev return -ERESTARTSYS; 401c33407a8SVladimir Kondratiev } 402c33407a8SVladimir Kondratiev if (wil->recovery_state != fw_recovery_running) { 403c33407a8SVladimir Kondratiev wil_info(wil, "Recovery cancelled\n"); 404c33407a8SVladimir Kondratiev return -EINTR; 405c33407a8SVladimir Kondratiev } 406c33407a8SVladimir Kondratiev wil_info(wil, "Proceed with recovery\n"); 407c33407a8SVladimir Kondratiev return 0; 408c33407a8SVladimir Kondratiev } 409c33407a8SVladimir Kondratiev 410c33407a8SVladimir Kondratiev void wil_set_recovery_state(struct wil6210_priv *wil, int state) 411c33407a8SVladimir Kondratiev { 412af3db60aSLazar Alexei wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n", 413c33407a8SVladimir Kondratiev wil->recovery_state, state); 414c33407a8SVladimir Kondratiev 415c33407a8SVladimir Kondratiev wil->recovery_state = state; 416c33407a8SVladimir Kondratiev wake_up_interruptible(&wil->wq); 417c33407a8SVladimir Kondratiev } 418c33407a8SVladimir Kondratiev 419375a173fSLior David bool wil_is_recovery_blocked(struct wil6210_priv *wil) 420375a173fSLior David { 421375a173fSLior David return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); 422375a173fSLior David } 423375a173fSLior David 424ed6f9dc6SVladimir Kondratiev static void wil_fw_error_worker(struct work_struct *work) 425ed6f9dc6SVladimir Kondratiev { 426c33407a8SVladimir Kondratiev struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 427c33407a8SVladimir Kondratiev fw_error_worker); 428e00243faSLior David struct net_device *ndev = wil->main_ndev; 429db5a4d5eSColin Ian King struct wireless_dev *wdev; 430ed6f9dc6SVladimir Kondratiev 431ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "fw error worker\n"); 432ed6f9dc6SVladimir Kondratiev 433e00243faSLior David if (!ndev || !(ndev->flags & IFF_UP)) { 434cded9369SVladimir Kondratiev wil_info(wil, "No recovery - interface is down\n"); 435cded9369SVladimir Kondratiev return; 436cded9369SVladimir Kondratiev } 437db5a4d5eSColin Ian King wdev = ndev->ieee80211_ptr; 438cded9369SVladimir Kondratiev 439fc219eedSVladimir Kondratiev /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO 440fc219eedSVladimir Kondratiev * passed since last recovery attempt 441fc219eedSVladimir Kondratiev */ 442fc219eedSVladimir Kondratiev if (time_is_after_jiffies(wil->last_fw_recovery + 443fc219eedSVladimir Kondratiev WIL6210_FW_RECOVERY_TO)) 444fc219eedSVladimir Kondratiev wil->recovery_count++; 445fc219eedSVladimir Kondratiev else 446fc219eedSVladimir Kondratiev wil->recovery_count = 1; /* fw was alive for a long time */ 447fc219eedSVladimir Kondratiev 448fc219eedSVladimir Kondratiev if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { 449fc219eedSVladimir Kondratiev wil_err(wil, "too many recovery attempts (%d), giving up\n", 450fc219eedSVladimir Kondratiev wil->recovery_count); 451fc219eedSVladimir Kondratiev return; 452fc219eedSVladimir Kondratiev } 453fc219eedSVladimir Kondratiev 454fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 455fc219eedSVladimir Kondratiev 456dfb5b098SLior David wil_info(wil, "fw error recovery requested (try %d)...\n", 457dfb5b098SLior David wil->recovery_count); 458dfb5b098SLior David if (!no_fw_recovery) 459dfb5b098SLior David wil->recovery_state = fw_recovery_running; 460dfb5b098SLior David if (wil_wait_for_recovery(wil) != 0) 461dfb5b098SLior David return; 462dfb5b098SLior David 4639c3bde56SVladimir Kondratiev mutex_lock(&wil->mutex); 464e00243faSLior David /* Needs adaptation for multiple VIFs 465e00243faSLior David * need to go over all VIFs and consider the appropriate 466e00243faSLior David * recovery. 467e00243faSLior David */ 468ed6f9dc6SVladimir Kondratiev switch (wdev->iftype) { 469ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_STATION: 470ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 471ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 472dfb5b098SLior David /* silent recovery, upper layers will see disconnect */ 47373d839aeSVladimir Kondratiev __wil_down(wil); 47473d839aeSVladimir Kondratiev __wil_up(wil); 475ed6f9dc6SVladimir Kondratiev break; 476ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_AP: 477ed6f9dc6SVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 478e240537bSVladimir Kondratiev wil_info(wil, "No recovery for AP-like interface\n"); 479ed6f9dc6SVladimir Kondratiev /* recovery in these modes is done by upper layers */ 480ed6f9dc6SVladimir Kondratiev break; 481ed6f9dc6SVladimir Kondratiev default: 482e240537bSVladimir Kondratiev wil_err(wil, "No recovery - unknown interface type %d\n", 483e240537bSVladimir Kondratiev wdev->iftype); 484ed6f9dc6SVladimir Kondratiev break; 485ed6f9dc6SVladimir Kondratiev } 4869c3bde56SVladimir Kondratiev mutex_unlock(&wil->mutex); 487ed6f9dc6SVladimir Kondratiev } 488ed6f9dc6SVladimir Kondratiev 48910590c6aSGidon Studinski static int wil_find_free_ring(struct wil6210_priv *wil) 4909a177384SVladimir Kondratiev { 4919a177384SVladimir Kondratiev int i; 49296c93589SGidon Studinski int min_ring_id = wil_get_min_tx_ring_id(wil); 4938fe59627SVladimir Kondratiev 49496c93589SGidon Studinski for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { 49510590c6aSGidon Studinski if (!wil->ring_tx[i].va) 4969a177384SVladimir Kondratiev return i; 4979a177384SVladimir Kondratiev } 4989a177384SVladimir Kondratiev return -EINVAL; 4999a177384SVladimir Kondratiev } 5009a177384SVladimir Kondratiev 50196c93589SGidon Studinski int wil_ring_init_tx(struct wil6210_vif *vif, int cid) 5020916d9f2SMaya Erez { 503e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 5040916d9f2SMaya Erez int rc = -EINVAL, ringid; 5050916d9f2SMaya Erez 5060916d9f2SMaya Erez if (cid < 0) { 5070916d9f2SMaya Erez wil_err(wil, "No connection pending\n"); 5080916d9f2SMaya Erez goto out; 5090916d9f2SMaya Erez } 51010590c6aSGidon Studinski ringid = wil_find_free_ring(wil); 5110916d9f2SMaya Erez if (ringid < 0) { 5120916d9f2SMaya Erez wil_err(wil, "No free vring found\n"); 5130916d9f2SMaya Erez goto out; 5140916d9f2SMaya Erez } 5150916d9f2SMaya Erez 51610590c6aSGidon Studinski wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", 517e00243faSLior David cid, vif->mid, ringid); 5180916d9f2SMaya Erez 51996c93589SGidon Studinski rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order, 52096c93589SGidon Studinski cid, 0); 5210916d9f2SMaya Erez if (rc) 522e00243faSLior David wil_err(wil, "init TX for CID %d MID %d vring %d failed\n", 523e00243faSLior David cid, vif->mid, ringid); 5240916d9f2SMaya Erez 5250916d9f2SMaya Erez out: 5260916d9f2SMaya Erez return rc; 5270916d9f2SMaya Erez } 5280916d9f2SMaya Erez 529e00243faSLior David int wil_bcast_init(struct wil6210_vif *vif) 53041d6b093SVladimir Kondratiev { 531e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 53210590c6aSGidon Studinski int ri = vif->bcast_ring, rc; 53341d6b093SVladimir Kondratiev 53410590c6aSGidon Studinski if (ri >= 0 && wil->ring_tx[ri].va) 53541d6b093SVladimir Kondratiev return 0; 53641d6b093SVladimir Kondratiev 53710590c6aSGidon Studinski ri = wil_find_free_ring(wil); 53841d6b093SVladimir Kondratiev if (ri < 0) 53941d6b093SVladimir Kondratiev return ri; 54041d6b093SVladimir Kondratiev 54110590c6aSGidon Studinski vif->bcast_ring = ri; 54296c93589SGidon Studinski rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order); 543230d8442SVladimir Kondratiev if (rc) 54410590c6aSGidon Studinski vif->bcast_ring = -1; 54541d6b093SVladimir Kondratiev 54641d6b093SVladimir Kondratiev return rc; 54741d6b093SVladimir Kondratiev } 54841d6b093SVladimir Kondratiev 549e00243faSLior David void wil_bcast_fini(struct wil6210_vif *vif) 55041d6b093SVladimir Kondratiev { 551e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 55210590c6aSGidon Studinski int ri = vif->bcast_ring; 55341d6b093SVladimir Kondratiev 55441d6b093SVladimir Kondratiev if (ri < 0) 55541d6b093SVladimir Kondratiev return; 55641d6b093SVladimir Kondratiev 55710590c6aSGidon Studinski vif->bcast_ring = -1; 55810590c6aSGidon Studinski wil_ring_fini_tx(wil, ri); 55941d6b093SVladimir Kondratiev } 56041d6b093SVladimir Kondratiev 5613ada9314SLior David void wil_bcast_fini_all(struct wil6210_priv *wil) 5623ada9314SLior David { 5633ada9314SLior David int i; 5643ada9314SLior David struct wil6210_vif *vif; 5653ada9314SLior David 5663ada9314SLior David for (i = 0; i < wil->max_vifs; i++) { 5673ada9314SLior David vif = wil->vifs[i]; 5683ada9314SLior David if (vif) 5693ada9314SLior David wil_bcast_fini(vif); 5703ada9314SLior David } 5713ada9314SLior David } 5723ada9314SLior David 5732be7d22fSVladimir Kondratiev int wil_priv_init(struct wil6210_priv *wil) 5742be7d22fSVladimir Kondratiev { 575ec81b5adSDedy Lansky uint i; 576ec81b5adSDedy Lansky 577af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_init\n"); 5782be7d22fSVladimir Kondratiev 5793df2cd36SVladimir Kondratiev memset(wil->sta, 0, sizeof(wil->sta)); 580e00243faSLior David for (i = 0; i < WIL6210_MAX_CID; i++) { 581ec81b5adSDedy Lansky spin_lock_init(&wil->sta[i].tid_rx_lock); 582e00243faSLior David wil->sta[i].mid = U8_MAX; 583e00243faSLior David } 5843df2cd36SVladimir Kondratiev 585875e9439SMaya Erez for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) 58610590c6aSGidon Studinski spin_lock_init(&wil->ring_tx_data[i].lock); 587875e9439SMaya Erez 5882be7d22fSVladimir Kondratiev mutex_init(&wil->mutex); 589404bbb3cSLior David mutex_init(&wil->vif_mutex); 5902be7d22fSVladimir Kondratiev mutex_init(&wil->wmi_mutex); 591349214c1SMaya Erez mutex_init(&wil->halp.lock); 5922be7d22fSVladimir Kondratiev 5932be7d22fSVladimir Kondratiev init_completion(&wil->wmi_ready); 59459502647SDedy Lansky init_completion(&wil->wmi_call); 595349214c1SMaya Erez init_completion(&wil->halp.comp); 5962be7d22fSVladimir Kondratiev 5972be7d22fSVladimir Kondratiev INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); 598ed6f9dc6SVladimir Kondratiev INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); 5992be7d22fSVladimir Kondratiev 6002be7d22fSVladimir Kondratiev INIT_LIST_HEAD(&wil->pending_wmi_ev); 6012be7d22fSVladimir Kondratiev spin_lock_init(&wil->wmi_ev_lock); 602f9e3033fSDedy Lansky spin_lock_init(&wil->net_queue_lock); 603c33407a8SVladimir Kondratiev init_waitqueue_head(&wil->wq); 6042be7d22fSVladimir Kondratiev 6052be7d22fSVladimir Kondratiev wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); 6062be7d22fSVladimir Kondratiev if (!wil->wmi_wq) 6072be7d22fSVladimir Kondratiev return -EAGAIN; 6082be7d22fSVladimir Kondratiev 6093277213fSVladimir Kondratiev wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); 6103277213fSVladimir Kondratiev if (!wil->wq_service) 6113277213fSVladimir Kondratiev goto out_wmi_wq; 6122be7d22fSVladimir Kondratiev 613fc219eedSVladimir Kondratiev wil->last_fw_recovery = jiffies; 6141f80af2eSVladimir Shulman wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; 6151f80af2eSVladimir Shulman wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; 6161f80af2eSVladimir Shulman wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; 6171f80af2eSVladimir Shulman wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; 618fc219eedSVladimir Kondratiev 619ab954628SVladimir Kondratiev if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) 620ab954628SVladimir Kondratiev rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; 6218b068c03SLazar Alexei 6228b068c03SLazar Alexei wil->ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 6238b068c03SLazar Alexei 624fe9ee51eSMaya Erez wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | 625fe9ee51eSMaya Erez WMI_WAKEUP_TRIGGER_BCAST; 62626234526SMaya Erez memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); 62710590c6aSGidon Studinski wil->ring_idle_trsh = 16; 628fe9ee51eSMaya Erez 629e00243faSLior David wil->reply_mid = U8_MAX; 6304aebd3bdSLior David wil->max_vifs = 1; 631e00243faSLior David 63296c93589SGidon Studinski /* edma configuration can be updated via debugfs before allocation */ 63396c93589SGidon Studinski wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; 63496c93589SGidon Studinski wil->use_compressed_rx_status = true; 63596c93589SGidon Studinski wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; 63696c93589SGidon Studinski 63796c93589SGidon Studinski /* Rx status ring size should be bigger than the number of RX buffers 63896c93589SGidon Studinski * in order to prevent backpressure on the status ring, which may 63996c93589SGidon Studinski * cause HW freeze. 64096c93589SGidon Studinski */ 64196c93589SGidon Studinski wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; 64296c93589SGidon Studinski /* Number of RX buffer IDs should be bigger than the RX descriptor 64396c93589SGidon Studinski * ring size as in HW reorder flow, the HW can consume additional 64496c93589SGidon Studinski * buffers before releasing the previous ones. 64596c93589SGidon Studinski */ 64696c93589SGidon Studinski wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; 64796c93589SGidon Studinski 6482be7d22fSVladimir Kondratiev return 0; 6493277213fSVladimir Kondratiev 6503277213fSVladimir Kondratiev out_wmi_wq: 6513277213fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 6523277213fSVladimir Kondratiev 6533277213fSVladimir Kondratiev return -EAGAIN; 6542be7d22fSVladimir Kondratiev } 6552be7d22fSVladimir Kondratiev 6569953a782SLior David void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps) 6579953a782SLior David { 658fe9ee51eSMaya Erez if (wil->platform_ops.bus_request) { 659fe9ee51eSMaya Erez wil->bus_request_kbps = kbps; 6609953a782SLior David wil->platform_ops.bus_request(wil->platform_handle, kbps); 6619953a782SLior David } 662fe9ee51eSMaya Erez } 6639953a782SLior David 664b516fcc5SVladimir Kondratiev /** 665b516fcc5SVladimir Kondratiev * wil6210_disconnect - disconnect one connection 666e00243faSLior David * @vif: virtual interface context 667b516fcc5SVladimir Kondratiev * @bssid: peer to disconnect, NULL to disconnect all 6684821e6d8SVladimir Kondratiev * @reason_code: Reason code for the Disassociation frame 669b516fcc5SVladimir Kondratiev * @from_event: whether is invoked from FW event handler 670b516fcc5SVladimir Kondratiev * 671b516fcc5SVladimir Kondratiev * Disconnect and release associated resources. If invoked not from the 672b516fcc5SVladimir Kondratiev * FW event handler, issue WMI command(s) to trigger MAC disconnect. 673b516fcc5SVladimir Kondratiev */ 674e00243faSLior David void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid, 6754821e6d8SVladimir Kondratiev u16 reason_code, bool from_event) 6762be7d22fSVladimir Kondratiev { 677e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 678e00243faSLior David 679af3db60aSLazar Alexei wil_dbg_misc(wil, "disconnect\n"); 6809cf10d62SVladimir Kondratiev 681e00243faSLior David del_timer_sync(&vif->connect_timer); 682e00243faSLior David _wil6210_disconnect(vif, bssid, reason_code, from_event); 6832be7d22fSVladimir Kondratiev } 6842be7d22fSVladimir Kondratiev 6852be7d22fSVladimir Kondratiev void wil_priv_deinit(struct wil6210_priv *wil) 6862be7d22fSVladimir Kondratiev { 687af3db60aSLazar Alexei wil_dbg_misc(wil, "priv_deinit\n"); 6889cf10d62SVladimir Kondratiev 689c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 690ed6f9dc6SVladimir Kondratiev cancel_work_sync(&wil->fw_error_worker); 6912be7d22fSVladimir Kondratiev wmi_event_flush(wil); 6923277213fSVladimir Kondratiev destroy_workqueue(wil->wq_service); 6932be7d22fSVladimir Kondratiev destroy_workqueue(wil->wmi_wq); 6942be7d22fSVladimir Kondratiev } 6952be7d22fSVladimir Kondratiev 69670bcc658SLior David static void wil_shutdown_bl(struct wil6210_priv *wil) 69770bcc658SLior David { 69870bcc658SLior David u32 val; 69970bcc658SLior David 70070bcc658SLior David wil_s(wil, RGF_USER_BL + 70170bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 70270bcc658SLior David bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD); 70370bcc658SLior David 70470bcc658SLior David usleep_range(100, 150); 70570bcc658SLior David 70670bcc658SLior David val = wil_r(wil, RGF_USER_BL + 70770bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 70870bcc658SLior David bl_shutdown_handshake)); 70970bcc658SLior David if (val & BL_SHUTDOWN_HS_RTD) { 71070bcc658SLior David wil_dbg_misc(wil, "BL is ready for halt\n"); 71170bcc658SLior David return; 71270bcc658SLior David } 71370bcc658SLior David 71470bcc658SLior David wil_err(wil, "BL did not report ready for halt\n"); 71570bcc658SLior David } 71670bcc658SLior David 71770bcc658SLior David /* this format is used by ARC embedded CPU for instruction memory */ 71870bcc658SLior David static inline u32 ARC_me_imm32(u32 d) 71970bcc658SLior David { 72070bcc658SLior David return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16); 72170bcc658SLior David } 72270bcc658SLior David 72370bcc658SLior David /* defines access to interrupt vectors for wil_freeze_bl */ 72470bcc658SLior David #define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8) 72570bcc658SLior David /* ARC long jump instruction */ 72670bcc658SLior David #define ARC_JAL_INST (0x20200f80) 72770bcc658SLior David 72870bcc658SLior David static void wil_freeze_bl(struct wil6210_priv *wil) 72970bcc658SLior David { 73070bcc658SLior David u32 jal, upc, saved; 73170bcc658SLior David u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3); 73270bcc658SLior David 73370bcc658SLior David jal = wil_r(wil, wil->iccm_base + ivt3); 73470bcc658SLior David if (jal != ARC_me_imm32(ARC_JAL_INST)) { 73570bcc658SLior David wil_dbg_misc(wil, "invalid IVT entry found, skipping\n"); 73670bcc658SLior David return; 73770bcc658SLior David } 73870bcc658SLior David 73970bcc658SLior David /* prevent the target from entering deep sleep 74070bcc658SLior David * and disabling memory access 74170bcc658SLior David */ 74270bcc658SLior David saved = wil_r(wil, RGF_USER_USAGE_8); 74370bcc658SLior David wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP); 74470bcc658SLior David usleep_range(20, 25); /* let the BL process the bit */ 74570bcc658SLior David 74670bcc658SLior David /* redirect to endless loop in the INT_L1 context and let it trap */ 74770bcc658SLior David wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3)); 74870bcc658SLior David usleep_range(20, 25); /* let the BL get into the trap */ 74970bcc658SLior David 75070bcc658SLior David /* verify the BL is frozen */ 75170bcc658SLior David upc = wil_r(wil, RGF_USER_CPU_PC); 75270bcc658SLior David if (upc < ivt3 || (upc > (ivt3 + 8))) 75370bcc658SLior David wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc); 75470bcc658SLior David 75570bcc658SLior David wil_w(wil, RGF_USER_USAGE_8, saved); 75670bcc658SLior David } 75770bcc658SLior David 75870bcc658SLior David static void wil_bl_prepare_halt(struct wil6210_priv *wil) 75970bcc658SLior David { 76070bcc658SLior David u32 tmp, ver; 76170bcc658SLior David 76270bcc658SLior David /* before halting device CPU driver must make sure BL is not accessing 76370bcc658SLior David * host memory. This is done differently depending on BL version: 76470bcc658SLior David * 1. For very old BL versions the procedure is skipped 76570bcc658SLior David * (not supported). 76670bcc658SLior David * 2. For old BL version we use a special trick to freeze the BL 76770bcc658SLior David * 3. For new BL versions we shutdown the BL using handshake procedure. 76870bcc658SLior David */ 76970bcc658SLior David tmp = wil_r(wil, RGF_USER_BL + 77070bcc658SLior David offsetof(struct bl_dedicated_registers_v0, 77170bcc658SLior David boot_loader_struct_version)); 77270bcc658SLior David if (!tmp) { 77377b83829SColin Ian King wil_dbg_misc(wil, "old BL, skipping halt preparation\n"); 77470bcc658SLior David return; 77570bcc658SLior David } 77670bcc658SLior David 77770bcc658SLior David tmp = wil_r(wil, RGF_USER_BL + 77870bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 77970bcc658SLior David bl_shutdown_handshake)); 78070bcc658SLior David ver = BL_SHUTDOWN_HS_PROT_VER(tmp); 78170bcc658SLior David 78270bcc658SLior David if (ver > 0) 78370bcc658SLior David wil_shutdown_bl(wil); 78470bcc658SLior David else 78570bcc658SLior David wil_freeze_bl(wil); 78670bcc658SLior David } 78770bcc658SLior David 788151a9706SVladimir Kondratiev static inline void wil_halt_cpu(struct wil6210_priv *wil) 789151a9706SVladimir Kondratiev { 790485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) { 791485790d0SMaya Erez wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 792485790d0SMaya Erez BIT_USER_USER_CPU_MAN_RST); 793485790d0SMaya Erez wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB, 794485790d0SMaya Erez BIT_USER_MAC_CPU_MAN_RST); 795485790d0SMaya Erez } else { 796b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); 797b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); 798151a9706SVladimir Kondratiev } 799485790d0SMaya Erez } 800151a9706SVladimir Kondratiev 801151a9706SVladimir Kondratiev static inline void wil_release_cpu(struct wil6210_priv *wil) 802151a9706SVladimir Kondratiev { 803151a9706SVladimir Kondratiev /* Start CPU */ 804485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) 805485790d0SMaya Erez wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1); 806485790d0SMaya Erez else 807b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_USER_CPU_0, 1); 808151a9706SVladimir Kondratiev } 809151a9706SVladimir Kondratiev 810b8c31b5dSLior David static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) 8111f1a361aSLior David { 812b8c31b5dSLior David wil_info(wil, "oob_mode to %d\n", mode); 813b8c31b5dSLior David switch (mode) { 814b8c31b5dSLior David case 0: 815b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE | 816b8c31b5dSLior David BIT_USER_OOB_R2_MODE); 817b8c31b5dSLior David break; 818b8c31b5dSLior David case 1: 819b8c31b5dSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 8201f1a361aSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 821b8c31b5dSLior David break; 822b8c31b5dSLior David case 2: 8231f1a361aSLior David wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); 824b8c31b5dSLior David wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE); 825b8c31b5dSLior David break; 826b8c31b5dSLior David default: 827b8c31b5dSLior David wil_err(wil, "invalid oob_mode: %d\n", mode); 828b8c31b5dSLior David } 8291f1a361aSLior David } 8301f1a361aSLior David 8312a0efe6aSDedy Lansky static int wil_target_reset(struct wil6210_priv *wil, int no_flash) 8322be7d22fSVladimir Kondratiev { 83398a65b59SVladimir Kondratiev int delay = 0; 834bb6c8dccSVladimir Kondratiev u32 x, x1 = 0; 83536b10a72SVladimir Kondratiev 8361aeda13bSVladimir Kondratiev wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); 8376508281bSVladimir Kondratiev 8386508281bSVladimir Kondratiev /* Clear MAC link up */ 839b9eeb512SVladimir Kondratiev wil_s(wil, RGF_HP_CTRL, BIT(15)); 840b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD); 841b9eeb512SVladimir Kondratiev wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); 842151a9706SVladimir Kondratiev 843151a9706SVladimir Kondratiev wil_halt_cpu(wil); 8442be7d22fSVladimir Kondratiev 84570bcc658SLior David if (!no_flash) { 8462cd0f021SVladimir Kondratiev /* clear all boot loader "ready" bits */ 847b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_BL + 8482a0efe6aSDedy Lansky offsetof(struct bl_dedicated_registers_v0, 8492a0efe6aSDedy Lansky boot_loader_ready), 0); 85070bcc658SLior David /* this should be safe to write even with old BLs */ 85170bcc658SLior David wil_w(wil, RGF_USER_BL + 85270bcc658SLior David offsetof(struct bl_dedicated_registers_v1, 85370bcc658SLior David bl_shutdown_handshake), 0); 85470bcc658SLior David } 855cce47711SVladimir Kondratiev /* Clear Fw Download notification */ 856b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_USAGE_6, BIT(0)); 857cce47711SVladimir Kondratiev 858b9eeb512SVladimir Kondratiev wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); 85948516298SVladimir Kondratiev /* XTAL stabilization should take about 3ms */ 86048516298SVladimir Kondratiev usleep_range(5000, 7000); 861b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); 86248516298SVladimir Kondratiev if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { 86348516298SVladimir Kondratiev wil_err(wil, "Xtal stabilization timeout\n" 86448516298SVladimir Kondratiev "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); 86548516298SVladimir Kondratiev return -ETIME; 86648516298SVladimir Kondratiev } 86748516298SVladimir Kondratiev /* switch 10k to XTAL*/ 868b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); 86948516298SVladimir Kondratiev /* 40 MHz */ 870b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); 87148516298SVladimir Kondratiev 872b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); 873b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); 8746508281bSVladimir Kondratiev 875485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) { 876485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000); 877485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 878485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0); 879485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 880485790d0SMaya Erez } else { 881485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000); 882485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); 883b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); 884485790d0SMaya Erez wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); 885485790d0SMaya Erez } 8862be7d22fSVladimir Kondratiev 887b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); 888b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); 8896508281bSVladimir Kondratiev 890b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); 891b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); 892b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); 893b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 8942be7d22fSVladimir Kondratiev 895b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); 896b9eeb512SVladimir Kondratiev /* reset A2 PCIE AHB */ 897b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); 8986508281bSVladimir Kondratiev 899b9eeb512SVladimir Kondratiev wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); 9002be7d22fSVladimir Kondratiev 9012cd0f021SVladimir Kondratiev /* wait until device ready. typical time is 20..80 msec */ 9022a0efe6aSDedy Lansky if (no_flash) 9032a0efe6aSDedy Lansky do { 9042a0efe6aSDedy Lansky msleep(RST_DELAY); 9052a0efe6aSDedy Lansky x = wil_r(wil, USER_EXT_USER_PMU_3); 9062a0efe6aSDedy Lansky if (delay++ > RST_COUNT) { 9072a0efe6aSDedy Lansky wil_err(wil, "Reset not completed, PMU_3 0x%08x\n", 9082a0efe6aSDedy Lansky x); 9092a0efe6aSDedy Lansky return -ETIME; 9102a0efe6aSDedy Lansky } 9112a0efe6aSDedy Lansky } while ((x & BIT_PMU_DEVICE_RDY) == 0); 9122a0efe6aSDedy Lansky else 91336b10a72SVladimir Kondratiev do { 914520d68e7SVladimir Kondratiev msleep(RST_DELAY); 915b9eeb512SVladimir Kondratiev x = wil_r(wil, RGF_USER_BL + 916b9eeb512SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 917f1ad8c93SVladimir Kondratiev boot_loader_ready)); 918bb6c8dccSVladimir Kondratiev if (x1 != x) { 9192a0efe6aSDedy Lansky wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", 9202a0efe6aSDedy Lansky x1, x); 921bb6c8dccSVladimir Kondratiev x1 = x; 922bb6c8dccSVladimir Kondratiev } 923520d68e7SVladimir Kondratiev if (delay++ > RST_COUNT) { 9242cd0f021SVladimir Kondratiev wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", 92548516298SVladimir Kondratiev x); 926bbb2adc7SVladimir Kondratiev return -ETIME; 92736b10a72SVladimir Kondratiev } 928f1ad8c93SVladimir Kondratiev } while (x != BL_READY); 92936b10a72SVladimir Kondratiev 930b9eeb512SVladimir Kondratiev wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); 931972072aaSVladimir Kondratiev 932e3351277SVladimir Kondratiev /* enable fix for HW bug related to the SA/DA swap in AP Rx */ 933b9eeb512SVladimir Kondratiev wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | 934e3351277SVladimir Kondratiev BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); 935e3351277SVladimir Kondratiev 936b8e13b87SMaya Erez if (no_flash) { 937b8e13b87SMaya Erez /* Reset OTP HW vectors to fit 40MHz */ 938b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); 939b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); 940b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1); 941b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027); 942b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003); 943b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002); 944b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001); 945b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001); 946b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001); 947b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001); 948b8e13b87SMaya Erez wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); 949b8e13b87SMaya Erez } 950b8e13b87SMaya Erez 951520d68e7SVladimir Kondratiev wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); 952bbb2adc7SVladimir Kondratiev return 0; 953151a9706SVladimir Kondratiev } 9542be7d22fSVladimir Kondratiev 9553fea18d0SLior David static void wil_collect_fw_info(struct wil6210_priv *wil) 9563fea18d0SLior David { 9573fea18d0SLior David struct wiphy *wiphy = wil_to_wiphy(wil); 9583fea18d0SLior David u8 retry_short; 9593fea18d0SLior David int rc; 9603fea18d0SLior David 9613ead1e01SLior David wil_refresh_fw_capabilities(wil); 9623ead1e01SLior David 9633fea18d0SLior David rc = wmi_get_mgmt_retry(wil, &retry_short); 9643fea18d0SLior David if (!rc) { 9653fea18d0SLior David wiphy->retry_short = retry_short; 9663fea18d0SLior David wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short); 9673fea18d0SLior David } 9683fea18d0SLior David } 9693fea18d0SLior David 9703ead1e01SLior David void wil_refresh_fw_capabilities(struct wil6210_priv *wil) 9713ead1e01SLior David { 9723ead1e01SLior David struct wiphy *wiphy = wil_to_wiphy(wil); 973594b59ecSMaya Erez int features; 9743ead1e01SLior David 9753ead1e01SLior David wil->keep_radio_on_during_sleep = 97638e4c25dSMaya Erez test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND, 97738e4c25dSMaya Erez wil->platform_capa) && 9783ead1e01SLior David test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities); 9793ead1e01SLior David 9803ead1e01SLior David wil_info(wil, "keep_radio_on_during_sleep (%d)\n", 9813ead1e01SLior David wil->keep_radio_on_during_sleep); 9823ead1e01SLior David 9833ead1e01SLior David if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) 9843ead1e01SLior David wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 9853ead1e01SLior David else 9863ead1e01SLior David wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 987a5dc6883SDedy Lansky 988a5dc6883SDedy Lansky if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) { 989a5dc6883SDedy Lansky wiphy->max_sched_scan_reqs = 1; 990a5dc6883SDedy Lansky wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM; 991a5dc6883SDedy Lansky wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM; 992a5dc6883SDedy Lansky wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN; 993a5dc6883SDedy Lansky wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; 994a5dc6883SDedy Lansky } 995594b59ecSMaya Erez 996594b59ecSMaya Erez if (wil->platform_ops.set_features) { 997594b59ecSMaya Erez features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, 998594b59ecSMaya Erez wil->fw_capabilities) && 999594b59ecSMaya Erez test_bit(WIL_PLATFORM_CAPA_EXT_CLK, 1000594b59ecSMaya Erez wil->platform_capa)) ? 1001594b59ecSMaya Erez BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; 1002594b59ecSMaya Erez 1003594b59ecSMaya Erez wil->platform_ops.set_features(wil->platform_handle, features); 1004594b59ecSMaya Erez } 10053ead1e01SLior David } 10063ead1e01SLior David 10072be7d22fSVladimir Kondratiev void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) 10082be7d22fSVladimir Kondratiev { 10092be7d22fSVladimir Kondratiev le32_to_cpus(&r->base); 10102be7d22fSVladimir Kondratiev le16_to_cpus(&r->entry_size); 10112be7d22fSVladimir Kondratiev le16_to_cpus(&r->size); 10122be7d22fSVladimir Kondratiev le32_to_cpus(&r->tail); 10132be7d22fSVladimir Kondratiev le32_to_cpus(&r->head); 10142be7d22fSVladimir Kondratiev } 10152be7d22fSVladimir Kondratiev 10162cd0f021SVladimir Kondratiev static int wil_get_bl_info(struct wil6210_priv *wil) 10172cd0f021SVladimir Kondratiev { 1018e00243faSLior David struct net_device *ndev = wil->main_ndev; 1019b42f1196SHamad Kadmany struct wiphy *wiphy = wil_to_wiphy(wil); 1020f1ad8c93SVladimir Kondratiev union { 1021f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v0 bl0; 1022f1ad8c93SVladimir Kondratiev struct bl_dedicated_registers_v1 bl1; 1023f1ad8c93SVladimir Kondratiev } bl; 1024f1ad8c93SVladimir Kondratiev u32 bl_ver; 1025f1ad8c93SVladimir Kondratiev u8 *mac; 1026f1ad8c93SVladimir Kondratiev u16 rf_status; 10272cd0f021SVladimir Kondratiev 1028f1ad8c93SVladimir Kondratiev wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), 102919c871ceSVladimir Kondratiev sizeof(bl)); 103019c871ceSVladimir Kondratiev bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); 103119c871ceSVladimir Kondratiev mac = bl.bl0.mac_address; 103219c871ceSVladimir Kondratiev 103319c871ceSVladimir Kondratiev if (bl_ver == 0) { 1034f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.rf_type); 1035f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl0.baseband_type); 1036f1ad8c93SVladimir Kondratiev rf_status = 0; /* actually, unknown */ 1037f1ad8c93SVladimir Kondratiev wil_info(wil, 1038f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", 1039f1ad8c93SVladimir Kondratiev bl_ver, mac, 1040f1ad8c93SVladimir Kondratiev bl.bl0.rf_type, bl.bl0.baseband_type); 1041f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build unknown for struct v0\n"); 104219c871ceSVladimir Kondratiev } else { 1043f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.rf_type); 1044f1ad8c93SVladimir Kondratiev rf_status = le16_to_cpu(bl.bl1.rf_status); 1045f1ad8c93SVladimir Kondratiev le32_to_cpus(&bl.bl1.baseband_type); 1046f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_subminor); 1047f1ad8c93SVladimir Kondratiev le16_to_cpus(&bl.bl1.bl_version_build); 1048f1ad8c93SVladimir Kondratiev wil_info(wil, 1049f1ad8c93SVladimir Kondratiev "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", 1050f1ad8c93SVladimir Kondratiev bl_ver, mac, 1051f1ad8c93SVladimir Kondratiev bl.bl1.rf_type, rf_status, 1052f1ad8c93SVladimir Kondratiev bl.bl1.baseband_type); 1053f1ad8c93SVladimir Kondratiev wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", 1054f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_major, bl.bl1.bl_version_minor, 1055f1ad8c93SVladimir Kondratiev bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); 10562cd0f021SVladimir Kondratiev } 10572cd0f021SVladimir Kondratiev 1058f1ad8c93SVladimir Kondratiev if (!is_valid_ether_addr(mac)) { 1059f1ad8c93SVladimir Kondratiev wil_err(wil, "BL: Invalid MAC %pM\n", mac); 1060f1ad8c93SVladimir Kondratiev return -EINVAL; 1061f1ad8c93SVladimir Kondratiev } 1062f1ad8c93SVladimir Kondratiev 1063f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 1064b42f1196SHamad Kadmany ether_addr_copy(wiphy->perm_addr, mac); 10652cd0f021SVladimir Kondratiev if (!is_valid_ether_addr(ndev->dev_addr)) 1066f1ad8c93SVladimir Kondratiev ether_addr_copy(ndev->dev_addr, mac); 1067f1ad8c93SVladimir Kondratiev 1068f1ad8c93SVladimir Kondratiev if (rf_status) {/* bad RF cable? */ 1069f1ad8c93SVladimir Kondratiev wil_err(wil, "RF communication error 0x%04x", 1070f1ad8c93SVladimir Kondratiev rf_status); 1071f1ad8c93SVladimir Kondratiev return -EAGAIN; 1072f1ad8c93SVladimir Kondratiev } 10732cd0f021SVladimir Kondratiev 10742cd0f021SVladimir Kondratiev return 0; 10752cd0f021SVladimir Kondratiev } 10762cd0f021SVladimir Kondratiev 1077409ead54SVladimir Kondratiev static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) 1078409ead54SVladimir Kondratiev { 1079409ead54SVladimir Kondratiev u32 bl_assert_code, bl_assert_blink, bl_magic_number; 1080409ead54SVladimir Kondratiev u32 bl_ver = wil_r(wil, RGF_USER_BL + 1081409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v0, 1082409ead54SVladimir Kondratiev boot_loader_struct_version)); 1083409ead54SVladimir Kondratiev 1084409ead54SVladimir Kondratiev if (bl_ver < 2) 1085409ead54SVladimir Kondratiev return; 1086409ead54SVladimir Kondratiev 1087409ead54SVladimir Kondratiev bl_assert_code = wil_r(wil, RGF_USER_BL + 1088409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1089409ead54SVladimir Kondratiev bl_assert_code)); 1090409ead54SVladimir Kondratiev bl_assert_blink = wil_r(wil, RGF_USER_BL + 1091409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1092409ead54SVladimir Kondratiev bl_assert_blink)); 1093409ead54SVladimir Kondratiev bl_magic_number = wil_r(wil, RGF_USER_BL + 1094409ead54SVladimir Kondratiev offsetof(struct bl_dedicated_registers_v1, 1095409ead54SVladimir Kondratiev bl_magic_number)); 1096409ead54SVladimir Kondratiev 1097409ead54SVladimir Kondratiev if (is_err) { 1098409ead54SVladimir Kondratiev wil_err(wil, 1099409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1100409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 1101409ead54SVladimir Kondratiev } else { 1102409ead54SVladimir Kondratiev wil_dbg_misc(wil, 1103409ead54SVladimir Kondratiev "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", 1104409ead54SVladimir Kondratiev bl_assert_code, bl_assert_blink, bl_magic_number); 1105409ead54SVladimir Kondratiev } 1106409ead54SVladimir Kondratiev } 1107409ead54SVladimir Kondratiev 11082a0efe6aSDedy Lansky static int wil_get_otp_info(struct wil6210_priv *wil) 11092a0efe6aSDedy Lansky { 1110e00243faSLior David struct net_device *ndev = wil->main_ndev; 11112a0efe6aSDedy Lansky struct wiphy *wiphy = wil_to_wiphy(wil); 11122a0efe6aSDedy Lansky u8 mac[8]; 1113485790d0SMaya Erez int mac_addr; 11142a0efe6aSDedy Lansky 1115485790d0SMaya Erez if (wil->hw_version >= HW_VER_TALYN_MB) 1116485790d0SMaya Erez mac_addr = RGF_OTP_MAC_TALYN_MB; 1117485790d0SMaya Erez else 1118485790d0SMaya Erez mac_addr = RGF_OTP_MAC; 1119485790d0SMaya Erez 1120485790d0SMaya Erez wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), 11212a0efe6aSDedy Lansky sizeof(mac)); 11222a0efe6aSDedy Lansky if (!is_valid_ether_addr(mac)) { 11232a0efe6aSDedy Lansky wil_err(wil, "Invalid MAC %pM\n", mac); 11242a0efe6aSDedy Lansky return -EINVAL; 11252a0efe6aSDedy Lansky } 11262a0efe6aSDedy Lansky 11272a0efe6aSDedy Lansky ether_addr_copy(ndev->perm_addr, mac); 11282a0efe6aSDedy Lansky ether_addr_copy(wiphy->perm_addr, mac); 11292a0efe6aSDedy Lansky if (!is_valid_ether_addr(ndev->dev_addr)) 11302a0efe6aSDedy Lansky ether_addr_copy(ndev->dev_addr, mac); 11312a0efe6aSDedy Lansky 11322a0efe6aSDedy Lansky return 0; 11332a0efe6aSDedy Lansky } 11342a0efe6aSDedy Lansky 11352be7d22fSVladimir Kondratiev static int wil_wait_for_fw_ready(struct wil6210_priv *wil) 11362be7d22fSVladimir Kondratiev { 11372be7d22fSVladimir Kondratiev ulong to = msecs_to_jiffies(1000); 11382be7d22fSVladimir Kondratiev ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); 11398fe59627SVladimir Kondratiev 11402be7d22fSVladimir Kondratiev if (0 == left) { 11412be7d22fSVladimir Kondratiev wil_err(wil, "Firmware not ready\n"); 11422be7d22fSVladimir Kondratiev return -ETIME; 11432be7d22fSVladimir Kondratiev } else { 114415e23124SVladimir Kondratiev wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", 114515e23124SVladimir Kondratiev jiffies_to_msecs(to-left), wil->hw_version); 11462be7d22fSVladimir Kondratiev } 11472be7d22fSVladimir Kondratiev return 0; 11482be7d22fSVladimir Kondratiev } 11492be7d22fSVladimir Kondratiev 1150e00243faSLior David void wil_abort_scan(struct wil6210_vif *vif, bool sync) 1151035859a5SMaya Erez { 1152e00243faSLior David struct wil6210_priv *wil = vif_to_wil(vif); 1153035859a5SMaya Erez int rc; 1154035859a5SMaya Erez struct cfg80211_scan_info info = { 1155035859a5SMaya Erez .aborted = true, 1156035859a5SMaya Erez }; 1157035859a5SMaya Erez 1158404bbb3cSLior David lockdep_assert_held(&wil->vif_mutex); 1159035859a5SMaya Erez 1160e00243faSLior David if (!vif->scan_request) 1161035859a5SMaya Erez return; 1162035859a5SMaya Erez 1163e00243faSLior David wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request); 1164e00243faSLior David del_timer_sync(&vif->scan_timer); 1165404bbb3cSLior David mutex_unlock(&wil->vif_mutex); 1166e00243faSLior David rc = wmi_abort_scan(vif); 1167035859a5SMaya Erez if (!rc && sync) 1168e00243faSLior David wait_event_interruptible_timeout(wil->wq, !vif->scan_request, 1169035859a5SMaya Erez msecs_to_jiffies( 1170035859a5SMaya Erez WAIT_FOR_SCAN_ABORT_MS)); 1171035859a5SMaya Erez 1172404bbb3cSLior David mutex_lock(&wil->vif_mutex); 1173e00243faSLior David if (vif->scan_request) { 1174e00243faSLior David cfg80211_scan_done(vif->scan_request, &info); 1175e00243faSLior David vif->scan_request = NULL; 1176035859a5SMaya Erez } 1177035859a5SMaya Erez } 1178035859a5SMaya Erez 11795bd60982SLior David void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync) 11805bd60982SLior David { 11815bd60982SLior David int i; 11825bd60982SLior David 11835bd60982SLior David lockdep_assert_held(&wil->vif_mutex); 11845bd60982SLior David 11855bd60982SLior David for (i = 0; i < wil->max_vifs; i++) { 11865bd60982SLior David struct wil6210_vif *vif = wil->vifs[i]; 11875bd60982SLior David 11885bd60982SLior David if (vif) 11895bd60982SLior David wil_abort_scan(vif, sync); 11905bd60982SLior David } 11915bd60982SLior David } 11925bd60982SLior David 11938b068c03SLazar Alexei int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) 11948b068c03SLazar Alexei { 11958b068c03SLazar Alexei int rc; 11968b068c03SLazar Alexei 11978b068c03SLazar Alexei if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) { 11988b068c03SLazar Alexei wil_err(wil, "set_power_mgmt not supported\n"); 11998b068c03SLazar Alexei return -EOPNOTSUPP; 12008b068c03SLazar Alexei } 12018b068c03SLazar Alexei 12028b068c03SLazar Alexei rc = wmi_ps_dev_profile_cfg(wil, ps_profile); 12038b068c03SLazar Alexei if (rc) 12048b068c03SLazar Alexei wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc); 12058b068c03SLazar Alexei else 12068b068c03SLazar Alexei wil->ps_profile = ps_profile; 12078b068c03SLazar Alexei 12088b068c03SLazar Alexei return rc; 12098b068c03SLazar Alexei } 12108b068c03SLazar Alexei 12111490846dSDedy Lansky static void wil_pre_fw_config(struct wil6210_priv *wil) 12121490846dSDedy Lansky { 12131490846dSDedy Lansky /* Mark FW as loaded from host */ 12141490846dSDedy Lansky wil_s(wil, RGF_USER_USAGE_6, 1); 12151490846dSDedy Lansky 12161490846dSDedy Lansky /* clear any interrupts which on-card-firmware 12171490846dSDedy Lansky * may have set 12181490846dSDedy Lansky */ 12191490846dSDedy Lansky wil6210_clear_irq(wil); 12201490846dSDedy Lansky /* CAF_ICR - clear and mask */ 12211490846dSDedy Lansky /* it is W1C, clear by writing back same value */ 12221490846dSDedy Lansky wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); 12231490846dSDedy Lansky wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); 1224485790d0SMaya Erez /* clear PAL_UNIT_ICR (potential D0->D3 leftover) 1225485790d0SMaya Erez * In Talyn-MB host cannot access this register due to 1226485790d0SMaya Erez * access control, hence PAL_UNIT_ICR is cleared by the FW 1227485790d0SMaya Erez */ 1228485790d0SMaya Erez if (wil->hw_version < HW_VER_TALYN_MB) 1229485790d0SMaya Erez wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 1230485790d0SMaya Erez 0); 12311490846dSDedy Lansky 12321490846dSDedy Lansky if (wil->fw_calib_result > 0) { 12331490846dSDedy Lansky __le32 val = cpu_to_le32(wil->fw_calib_result | 12341490846dSDedy Lansky (CALIB_RESULT_SIGNATURE << 8)); 12351490846dSDedy Lansky wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val); 12361490846dSDedy Lansky } 12371490846dSDedy Lansky } 12381490846dSDedy Lansky 12394aebd3bdSLior David static int wil_restore_vifs(struct wil6210_priv *wil) 12404aebd3bdSLior David { 12414aebd3bdSLior David struct wil6210_vif *vif; 12424aebd3bdSLior David struct net_device *ndev; 12434aebd3bdSLior David struct wireless_dev *wdev; 12444aebd3bdSLior David int i, rc; 12454aebd3bdSLior David 12464aebd3bdSLior David for (i = 0; i < wil->max_vifs; i++) { 12474aebd3bdSLior David vif = wil->vifs[i]; 12484aebd3bdSLior David if (!vif) 12494aebd3bdSLior David continue; 12505bd60982SLior David vif->ap_isolate = 0; 12514aebd3bdSLior David if (vif->mid) { 12524aebd3bdSLior David ndev = vif_to_ndev(vif); 12534aebd3bdSLior David wdev = vif_to_wdev(vif); 12544aebd3bdSLior David rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, 12554aebd3bdSLior David wdev->iftype); 12564aebd3bdSLior David if (rc) { 12574aebd3bdSLior David wil_err(wil, "fail to restore VIF %d type %d, rc %d\n", 12584aebd3bdSLior David i, wdev->iftype, rc); 12594aebd3bdSLior David return rc; 12604aebd3bdSLior David } 12614aebd3bdSLior David } 12624aebd3bdSLior David } 12634aebd3bdSLior David 12644aebd3bdSLior David return 0; 12654aebd3bdSLior David } 12664aebd3bdSLior David 12672be7d22fSVladimir Kondratiev /* 12682be7d22fSVladimir Kondratiev * We reset all the structures, and we reset the UMAC. 12692be7d22fSVladimir Kondratiev * After calling this routine, you're expected to reload 12702be7d22fSVladimir Kondratiev * the firmware. 12712be7d22fSVladimir Kondratiev */ 12722cd0f021SVladimir Kondratiev int wil_reset(struct wil6210_priv *wil, bool load_fw) 12732be7d22fSVladimir Kondratiev { 12745bd60982SLior David int rc, i; 1275a8fd16d7SMaya Erez unsigned long status_flags = BIT(wil_status_resetting); 12762a0efe6aSDedy Lansky int no_flash; 12775bd60982SLior David struct wil6210_vif *vif; 12782be7d22fSVladimir Kondratiev 1279af3db60aSLazar Alexei wil_dbg_misc(wil, "reset\n"); 12809cf10d62SVladimir Kondratiev 1281097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 12829419b6a2SVladimir Kondratiev WARN_ON(test_bit(wil_status_napi_en, wil->status)); 1283097638a0SVladimir Kondratiev 1284bfc2dc7aSVladimir Kondratiev if (debug_fw) { 1285bfc2dc7aSVladimir Kondratiev static const u8 mac[ETH_ALEN] = { 1286bfc2dc7aSVladimir Kondratiev 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, 1287bfc2dc7aSVladimir Kondratiev }; 1288e00243faSLior David struct net_device *ndev = wil->main_ndev; 1289bfc2dc7aSVladimir Kondratiev 1290bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->perm_addr, mac); 1291bfc2dc7aSVladimir Kondratiev ether_addr_copy(ndev->dev_addr, ndev->perm_addr); 1292bfc2dc7aSVladimir Kondratiev return 0; 1293bfc2dc7aSVladimir Kondratiev } 1294bfc2dc7aSVladimir Kondratiev 129567131a1dSVladimir Kondratiev if (wil->hw_version == HW_VER_UNKNOWN) 129667131a1dSVladimir Kondratiev return -ENODEV; 129767131a1dSVladimir Kondratiev 129838e4c25dSMaya Erez if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa)) { 129938e4c25dSMaya Erez wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n"); 130038e4c25dSMaya Erez wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0); 130138e4c25dSMaya Erez } 130238e4c25dSMaya Erez 130338e4c25dSMaya Erez if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) { 130438e4c25dSMaya Erez wil_dbg_misc(wil, "Notify FW on ext clock configuration\n"); 130538e4c25dSMaya Erez wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK); 130638e4c25dSMaya Erez } 130738e4c25dSMaya Erez 13085f0823efSMaya Erez if (wil->platform_ops.notify) { 13095f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 13105f0823efSMaya Erez WIL_PLATFORM_EVT_PRE_RESET); 13115f0823efSMaya Erez if (rc) 1312af3db60aSLazar Alexei wil_err(wil, "PRE_RESET platform notify failed, rc %d\n", 1313af3db60aSLazar Alexei rc); 13145f0823efSMaya Erez } 13155f0823efSMaya Erez 1316f13e0630SHamad Kadmany set_bit(wil_status_resetting, wil->status); 1317a8fd16d7SMaya Erez if (test_bit(wil_status_collecting_dumps, wil->status)) { 1318a8fd16d7SMaya Erez /* Device collects crash dump, cancel the reset. 1319a8fd16d7SMaya Erez * following crash dump collection, reset would take place. 1320a8fd16d7SMaya Erez */ 1321a8fd16d7SMaya Erez wil_dbg_misc(wil, "reject reset while collecting crash dump\n"); 1322a8fd16d7SMaya Erez rc = -EBUSY; 1323a8fd16d7SMaya Erez goto out; 1324a8fd16d7SMaya Erez } 1325f13e0630SHamad Kadmany 13265bd60982SLior David mutex_lock(&wil->vif_mutex); 13275bd60982SLior David wil_abort_scan_all_vifs(wil, false); 13285bd60982SLior David mutex_unlock(&wil->vif_mutex); 13295bd60982SLior David 13305bd60982SLior David for (i = 0; i < wil->max_vifs; i++) { 13315bd60982SLior David vif = wil->vifs[i]; 13325bd60982SLior David if (vif) { 1333e00243faSLior David cancel_work_sync(&vif->disconnect_worker); 13345bd60982SLior David wil6210_disconnect(vif, NULL, 13355bd60982SLior David WLAN_REASON_DEAUTH_LEAVING, false); 13365bd60982SLior David } 13375bd60982SLior David } 13383ada9314SLior David wil_bcast_fini_all(wil); 1339097638a0SVladimir Kondratiev 134010d599adSMaya Erez /* Disable device led before reset*/ 134110d599adSMaya Erez wmi_led_cfg(wil, false); 134210d599adSMaya Erez 1343452133a7SMaya Erez /* prevent NAPI from being scheduled and prevent wmi commands */ 1344452133a7SMaya Erez mutex_lock(&wil->wmi_mutex); 1345a8fd16d7SMaya Erez if (test_bit(wil_status_suspending, wil->status)) 1346a8fd16d7SMaya Erez status_flags |= BIT(wil_status_suspending); 1347a8fd16d7SMaya Erez bitmap_and(wil->status, wil->status, &status_flags, 1348a8fd16d7SMaya Erez wil_status_last); 1349a8fd16d7SMaya Erez wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status); 1350452133a7SMaya Erez mutex_unlock(&wil->wmi_mutex); 13510fef1818SVladimir Kondratiev 1352e4dbb093SVladimir Kondratiev wil_mask_irq(wil); 13532be7d22fSVladimir Kondratiev 1354e08b5906SVladimir Kondratiev wmi_event_flush(wil); 1355e08b5906SVladimir Kondratiev 13563277213fSVladimir Kondratiev flush_workqueue(wil->wq_service); 1357e08b5906SVladimir Kondratiev flush_workqueue(wil->wmi_wq); 1358e08b5906SVladimir Kondratiev 13592a0efe6aSDedy Lansky no_flash = test_bit(hw_capa_no_flash, wil->hw_capa); 13602a0efe6aSDedy Lansky if (!no_flash) 1361409ead54SVladimir Kondratiev wil_bl_crash_info(wil, false); 13623ee908dcSHamad Kadmany wil_disable_irq(wil); 13632a0efe6aSDedy Lansky rc = wil_target_reset(wil, no_flash); 13643ee908dcSHamad Kadmany wil6210_clear_irq(wil); 13653ee908dcSHamad Kadmany wil_enable_irq(wil); 136696c93589SGidon Studinski wil->txrx_ops.rx_fini(wil); 136796c93589SGidon Studinski wil->txrx_ops.tx_fini(wil); 1368409ead54SVladimir Kondratiev if (rc) { 13692a0efe6aSDedy Lansky if (!no_flash) 1370409ead54SVladimir Kondratiev wil_bl_crash_info(wil, true); 1371a8fd16d7SMaya Erez goto out; 1372409ead54SVladimir Kondratiev } 1373bbb2adc7SVladimir Kondratiev 13742a0efe6aSDedy Lansky if (no_flash) { 13752a0efe6aSDedy Lansky rc = wil_get_otp_info(wil); 13762a0efe6aSDedy Lansky } else { 13772cd0f021SVladimir Kondratiev rc = wil_get_bl_info(wil); 13782a0efe6aSDedy Lansky if (rc == -EAGAIN && !load_fw) 13792a0efe6aSDedy Lansky /* ignore RF error if not going up */ 1380f1ad8c93SVladimir Kondratiev rc = 0; 13812a0efe6aSDedy Lansky } 13822cd0f021SVladimir Kondratiev if (rc) 1383a8fd16d7SMaya Erez goto out; 13842cd0f021SVladimir Kondratiev 13851f1a361aSLior David wil_set_oob_mode(wil, oob_mode); 13862cd0f021SVladimir Kondratiev if (load_fw) { 1387a351f2f5SLazar Alexei wil_info(wil, "Use firmware <%s> + board <%s>\n", 1388a351f2f5SLazar Alexei wil->wil_fw_name, WIL_BOARD_FILE_NAME); 13892cd0f021SVladimir Kondratiev 139070bcc658SLior David if (!no_flash) 139170bcc658SLior David wil_bl_prepare_halt(wil); 139270bcc658SLior David 1393151a9706SVladimir Kondratiev wil_halt_cpu(wil); 139413cd9f75SLior David memset(wil->fw_version, 0, sizeof(wil->fw_version)); 1395151a9706SVladimir Kondratiev /* Loading f/w from the file */ 1396a351f2f5SLazar Alexei rc = wil_request_firmware(wil, wil->wil_fw_name, true); 1397151a9706SVladimir Kondratiev if (rc) 1398a8fd16d7SMaya Erez goto out; 139981b35afaSMaya Erez if (wil->brd_file_addr) 140081b35afaSMaya Erez rc = wil_request_board(wil, WIL_BOARD_FILE_NAME); 140181b35afaSMaya Erez else 140281b35afaSMaya Erez rc = wil_request_firmware(wil, 140381b35afaSMaya Erez WIL_BOARD_FILE_NAME, 140481b35afaSMaya Erez true); 14052cd0f021SVladimir Kondratiev if (rc) 1406a8fd16d7SMaya Erez goto out; 1407151a9706SVladimir Kondratiev 14081490846dSDedy Lansky wil_pre_fw_config(wil); 1409151a9706SVladimir Kondratiev wil_release_cpu(wil); 1410151a9706SVladimir Kondratiev } 14118bf6adb9SVladimir Kondratiev 14122be7d22fSVladimir Kondratiev /* init after reset */ 141316735d02SWolfram Sang reinit_completion(&wil->wmi_ready); 141459502647SDedy Lansky reinit_completion(&wil->wmi_call); 1415349214c1SMaya Erez reinit_completion(&wil->halp.comp); 14162be7d22fSVladimir Kondratiev 1417a8fd16d7SMaya Erez clear_bit(wil_status_resetting, wil->status); 1418a8fd16d7SMaya Erez 14192cd0f021SVladimir Kondratiev if (load_fw) { 1420e4dbb093SVladimir Kondratiev wil_unmask_irq(wil); 14212be7d22fSVladimir Kondratiev 14222be7d22fSVladimir Kondratiev /* we just started MAC, wait for FW ready */ 14232be7d22fSVladimir Kondratiev rc = wil_wait_for_fw_ready(wil); 14245f0823efSMaya Erez if (rc) 14255f0823efSMaya Erez return rc; 14265f0823efSMaya Erez 14275f0823efSMaya Erez /* check FW is responsive */ 1428cec94d8cSVladimir Kondratiev rc = wmi_echo(wil); 14295f0823efSMaya Erez if (rc) { 1430af3db60aSLazar Alexei wil_err(wil, "wmi_echo failed, rc %d\n", rc); 14315f0823efSMaya Erez return rc; 14325f0823efSMaya Erez } 14335f0823efSMaya Erez 143496c93589SGidon Studinski wil->txrx_ops.configure_interrupt_moderation(wil); 143596c93589SGidon Studinski 14364aebd3bdSLior David rc = wil_restore_vifs(wil); 14374aebd3bdSLior David if (rc) { 14384aebd3bdSLior David wil_err(wil, "failed to restore vifs, rc %d\n", rc); 14394aebd3bdSLior David return rc; 14404aebd3bdSLior David } 14414aebd3bdSLior David 14423ead1e01SLior David wil_collect_fw_info(wil); 14433ead1e01SLior David 14448b068c03SLazar Alexei if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT) 14458b068c03SLazar Alexei wil_ps_update(wil, wil->ps_profile); 14468b068c03SLazar Alexei 14475f0823efSMaya Erez if (wil->platform_ops.notify) { 14485f0823efSMaya Erez rc = wil->platform_ops.notify(wil->platform_handle, 14495f0823efSMaya Erez WIL_PLATFORM_EVT_FW_RDY); 14505f0823efSMaya Erez if (rc) { 1451af3db60aSLazar Alexei wil_err(wil, "FW_RDY notify failed, rc %d\n", 1452af3db60aSLazar Alexei rc); 14535f0823efSMaya Erez rc = 0; 14545f0823efSMaya Erez } 14555f0823efSMaya Erez } 14562cd0f021SVladimir Kondratiev } 14572be7d22fSVladimir Kondratiev 14582be7d22fSVladimir Kondratiev return rc; 1459a8fd16d7SMaya Erez 1460a8fd16d7SMaya Erez out: 1461a8fd16d7SMaya Erez clear_bit(wil_status_resetting, wil->status); 1462a8fd16d7SMaya Erez return rc; 14632be7d22fSVladimir Kondratiev } 14642be7d22fSVladimir Kondratiev 1465ed6f9dc6SVladimir Kondratiev void wil_fw_error_recovery(struct wil6210_priv *wil) 1466ed6f9dc6SVladimir Kondratiev { 1467ed6f9dc6SVladimir Kondratiev wil_dbg_misc(wil, "starting fw error recovery\n"); 1468f13e0630SHamad Kadmany 1469f13e0630SHamad Kadmany if (test_bit(wil_status_resetting, wil->status)) { 1470f13e0630SHamad Kadmany wil_info(wil, "Reset already in progress\n"); 1471f13e0630SHamad Kadmany return; 1472f13e0630SHamad Kadmany } 1473f13e0630SHamad Kadmany 1474c33407a8SVladimir Kondratiev wil->recovery_state = fw_recovery_pending; 1475ed6f9dc6SVladimir Kondratiev schedule_work(&wil->fw_error_worker); 1476ed6f9dc6SVladimir Kondratiev } 14772be7d22fSVladimir Kondratiev 147873d839aeSVladimir Kondratiev int __wil_up(struct wil6210_priv *wil) 14792be7d22fSVladimir Kondratiev { 1480e00243faSLior David struct net_device *ndev = wil->main_ndev; 1481e00243faSLior David struct wireless_dev *wdev = ndev->ieee80211_ptr; 14822be7d22fSVladimir Kondratiev int rc; 14832be7d22fSVladimir Kondratiev 1484097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1485097638a0SVladimir Kondratiev 14862cd0f021SVladimir Kondratiev rc = wil_reset(wil, true); 14872be7d22fSVladimir Kondratiev if (rc) 14882be7d22fSVladimir Kondratiev return rc; 14892be7d22fSVladimir Kondratiev 149096c93589SGidon Studinski /* Rx RING. After MAC and beacon */ 149196c93589SGidon Studinski rc = wil->txrx_ops.rx_init(wil, 1 << rx_ring_order); 149296c93589SGidon Studinski if (rc) 149396c93589SGidon Studinski return rc; 149496c93589SGidon Studinski 149596c93589SGidon Studinski rc = wil->txrx_ops.tx_init(wil); 1496e31b2562SVladimir Kondratiev if (rc) 1497e31b2562SVladimir Kondratiev return rc; 1498e31b2562SVladimir Kondratiev 14992be7d22fSVladimir Kondratiev switch (wdev->iftype) { 15002be7d22fSVladimir Kondratiev case NL80211_IFTYPE_STATION: 15017743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: STATION\n"); 15022be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 15032be7d22fSVladimir Kondratiev break; 15042be7d22fSVladimir Kondratiev case NL80211_IFTYPE_AP: 15057743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: AP\n"); 15062be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 15072be7d22fSVladimir Kondratiev break; 15082be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_CLIENT: 15097743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_CLIENT\n"); 15102be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 15112be7d22fSVladimir Kondratiev break; 15122be7d22fSVladimir Kondratiev case NL80211_IFTYPE_P2P_GO: 15137743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: P2P_GO\n"); 15142be7d22fSVladimir Kondratiev ndev->type = ARPHRD_ETHER; 15152be7d22fSVladimir Kondratiev break; 15162be7d22fSVladimir Kondratiev case NL80211_IFTYPE_MONITOR: 15177743882dSVladimir Kondratiev wil_dbg_misc(wil, "type: Monitor\n"); 15182be7d22fSVladimir Kondratiev ndev->type = ARPHRD_IEEE80211_RADIOTAP; 15192be7d22fSVladimir Kondratiev /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ 15202be7d22fSVladimir Kondratiev break; 15212be7d22fSVladimir Kondratiev default: 15222be7d22fSVladimir Kondratiev return -EOPNOTSUPP; 15232be7d22fSVladimir Kondratiev } 15242be7d22fSVladimir Kondratiev 15252be7d22fSVladimir Kondratiev /* MAC address - pre-requisite for other commands */ 15262be7d22fSVladimir Kondratiev wmi_set_mac_address(wil, ndev->dev_addr); 15272be7d22fSVladimir Kondratiev 152873d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI enable\n"); 1529e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_rx); 1530e0287c4aSVladimir Kondratiev napi_enable(&wil->napi_tx); 15319419b6a2SVladimir Kondratiev set_bit(wil_status_napi_en, wil->status); 1532e0287c4aSVladimir Kondratiev 15339953a782SLior David wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1534f772ebfbSVladimir Kondratiev 15352be7d22fSVladimir Kondratiev return 0; 15362be7d22fSVladimir Kondratiev } 15372be7d22fSVladimir Kondratiev 15382be7d22fSVladimir Kondratiev int wil_up(struct wil6210_priv *wil) 15392be7d22fSVladimir Kondratiev { 15402be7d22fSVladimir Kondratiev int rc; 15412be7d22fSVladimir Kondratiev 1542af3db60aSLazar Alexei wil_dbg_misc(wil, "up\n"); 15439cf10d62SVladimir Kondratiev 15442be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 15452be7d22fSVladimir Kondratiev rc = __wil_up(wil); 15462be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 15472be7d22fSVladimir Kondratiev 15482be7d22fSVladimir Kondratiev return rc; 15492be7d22fSVladimir Kondratiev } 15502be7d22fSVladimir Kondratiev 155173d839aeSVladimir Kondratiev int __wil_down(struct wil6210_priv *wil) 15522be7d22fSVladimir Kondratiev { 1553097638a0SVladimir Kondratiev WARN_ON(!mutex_is_locked(&wil->mutex)); 1554097638a0SVladimir Kondratiev 1555b0c0e688SLazar Alexei set_bit(wil_status_resetting, wil->status); 1556b0c0e688SLazar Alexei 15579953a782SLior David wil6210_bus_request(wil, 0); 1558f772ebfbSVladimir Kondratiev 155973d839aeSVladimir Kondratiev wil_disable_irq(wil); 15609419b6a2SVladimir Kondratiev if (test_and_clear_bit(wil_status_napi_en, wil->status)) { 1561e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_rx); 1562e0287c4aSVladimir Kondratiev napi_disable(&wil->napi_tx); 156373d839aeSVladimir Kondratiev wil_dbg_misc(wil, "NAPI disable\n"); 156473d839aeSVladimir Kondratiev } 156573d839aeSVladimir Kondratiev wil_enable_irq(wil); 1566e0287c4aSVladimir Kondratiev 1567404bbb3cSLior David mutex_lock(&wil->vif_mutex); 1568035859a5SMaya Erez wil_p2p_stop_radio_operations(wil); 15695bd60982SLior David wil_abort_scan_all_vifs(wil, false); 1570404bbb3cSLior David mutex_unlock(&wil->vif_mutex); 15712be7d22fSVladimir Kondratiev 1572a8fd16d7SMaya Erez return wil_reset(wil, false); 15732be7d22fSVladimir Kondratiev } 15742be7d22fSVladimir Kondratiev 15752be7d22fSVladimir Kondratiev int wil_down(struct wil6210_priv *wil) 15762be7d22fSVladimir Kondratiev { 15772be7d22fSVladimir Kondratiev int rc; 15782be7d22fSVladimir Kondratiev 1579af3db60aSLazar Alexei wil_dbg_misc(wil, "down\n"); 15809cf10d62SVladimir Kondratiev 1581c33407a8SVladimir Kondratiev wil_set_recovery_state(wil, fw_recovery_idle); 15822be7d22fSVladimir Kondratiev mutex_lock(&wil->mutex); 15832be7d22fSVladimir Kondratiev rc = __wil_down(wil); 15842be7d22fSVladimir Kondratiev mutex_unlock(&wil->mutex); 15852be7d22fSVladimir Kondratiev 15862be7d22fSVladimir Kondratiev return rc; 15872be7d22fSVladimir Kondratiev } 15883df2cd36SVladimir Kondratiev 1589e00243faSLior David int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac) 15903df2cd36SVladimir Kondratiev { 15913df2cd36SVladimir Kondratiev int i; 15923df2cd36SVladimir Kondratiev int rc = -ENOENT; 15933df2cd36SVladimir Kondratiev 15943df2cd36SVladimir Kondratiev for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 1595e00243faSLior David if (wil->sta[i].mid == mid && 1596e00243faSLior David wil->sta[i].status != wil_sta_unused && 1597108d1eb6SVladimir Kondratiev ether_addr_equal(wil->sta[i].addr, mac)) { 15983df2cd36SVladimir Kondratiev rc = i; 15993df2cd36SVladimir Kondratiev break; 16003df2cd36SVladimir Kondratiev } 16013df2cd36SVladimir Kondratiev } 16023df2cd36SVladimir Kondratiev 16033df2cd36SVladimir Kondratiev return rc; 16043df2cd36SVladimir Kondratiev } 1605349214c1SMaya Erez 1606349214c1SMaya Erez void wil_halp_vote(struct wil6210_priv *wil) 1607349214c1SMaya Erez { 1608349214c1SMaya Erez unsigned long rc; 1609349214c1SMaya Erez unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); 1610349214c1SMaya Erez 1611349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1612349214c1SMaya Erez 1613af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n", 1614349214c1SMaya Erez wil->halp.ref_cnt); 1615349214c1SMaya Erez 1616349214c1SMaya Erez if (++wil->halp.ref_cnt == 1) { 161718618a9fSMaya Erez reinit_completion(&wil->halp.comp); 1618349214c1SMaya Erez wil6210_set_halp(wil); 1619349214c1SMaya Erez rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); 1620f1b7764fSMaya Erez if (!rc) { 1621af3db60aSLazar Alexei wil_err(wil, "HALP vote timed out\n"); 1622f1b7764fSMaya Erez /* Mask HALP as done in case the interrupt is raised */ 1623f1b7764fSMaya Erez wil6210_mask_halp(wil); 1624f1b7764fSMaya Erez } else { 1625ef86f249SLior David wil_dbg_irq(wil, 1626af3db60aSLazar Alexei "halp_vote: HALP vote completed after %d ms\n", 1627349214c1SMaya Erez jiffies_to_msecs(to_jiffies - rc)); 1628349214c1SMaya Erez } 1629f1b7764fSMaya Erez } 1630349214c1SMaya Erez 1631af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n", 1632349214c1SMaya Erez wil->halp.ref_cnt); 1633349214c1SMaya Erez 1634349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1635349214c1SMaya Erez } 1636349214c1SMaya Erez 1637349214c1SMaya Erez void wil_halp_unvote(struct wil6210_priv *wil) 1638349214c1SMaya Erez { 1639349214c1SMaya Erez WARN_ON(wil->halp.ref_cnt == 0); 1640349214c1SMaya Erez 1641349214c1SMaya Erez mutex_lock(&wil->halp.lock); 1642349214c1SMaya Erez 1643af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n", 1644349214c1SMaya Erez wil->halp.ref_cnt); 1645349214c1SMaya Erez 1646349214c1SMaya Erez if (--wil->halp.ref_cnt == 0) { 1647349214c1SMaya Erez wil6210_clear_halp(wil); 1648af3db60aSLazar Alexei wil_dbg_irq(wil, "HALP unvote\n"); 1649349214c1SMaya Erez } 1650349214c1SMaya Erez 1651af3db60aSLazar Alexei wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n", 1652349214c1SMaya Erez wil->halp.ref_cnt); 1653349214c1SMaya Erez 1654349214c1SMaya Erez mutex_unlock(&wil->halp.lock); 1655349214c1SMaya Erez } 165696c93589SGidon Studinski 165796c93589SGidon Studinski void wil_init_txrx_ops(struct wil6210_priv *wil) 165896c93589SGidon Studinski { 165996c93589SGidon Studinski if (wil->use_enhanced_dma_hw) 166096c93589SGidon Studinski wil_init_txrx_ops_edma(wil); 166196c93589SGidon Studinski else 166296c93589SGidon Studinski wil_init_txrx_ops_legacy_dma(wil); 166396c93589SGidon Studinski } 1664