Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1 | /* |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 2 | * Copyright (c) 2012-2016 Qualcomm Atheros, Inc. |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 17 | #include <linux/moduleparam.h> |
| 18 | #include <linux/if_arp.h> |
Vladimir Kondratiev | 108d1eb | 2014-02-27 16:20:53 +0200 | [diff] [blame] | 19 | #include <linux/etherdevice.h> |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 20 | |
| 21 | #include "wil6210.h" |
Vladimir Kondratiev | b4490f4 | 2014-02-27 16:20:44 +0200 | [diff] [blame] | 22 | #include "txrx.h" |
Dedy Lansky | f172b56 | 2014-09-10 16:34:38 +0300 | [diff] [blame] | 23 | #include "wmi.h" |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 24 | #include "boot_loader.h" |
Dedy Lansky | f172b56 | 2014-09-10 16:34:38 +0300 | [diff] [blame] | 25 | |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 26 | #define WAIT_FOR_HALP_VOTE_MS 100 |
| 27 | |
Vladimir Kondratiev | bfc2dc7 | 2015-03-30 11:28:50 +0300 | [diff] [blame] | 28 | bool debug_fw; /* = false; */ |
| 29 | module_param(debug_fw, bool, S_IRUGO); |
| 30 | MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug"); |
| 31 | |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 32 | static bool oob_mode; |
| 33 | module_param(oob_mode, bool, S_IRUGO); |
| 34 | MODULE_PARM_DESC(oob_mode, |
| 35 | " enable out of the box (OOB) mode in FW, for diagnostics and certification"); |
| 36 | |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 37 | bool no_fw_recovery; |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 38 | module_param(no_fw_recovery, bool, S_IRUGO | S_IWUSR); |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 39 | MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery"); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 40 | |
Vladimir Kondratiev | ab95462 | 2014-12-23 09:47:20 +0200 | [diff] [blame] | 41 | /* if not set via modparam, will be set to default value of 1/8 of |
| 42 | * rx ring size during init flow |
| 43 | */ |
| 44 | unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT; |
| 45 | module_param(rx_ring_overflow_thrsh, ushort, S_IRUGO); |
| 46 | MODULE_PARM_DESC(rx_ring_overflow_thrsh, |
| 47 | " RX ring overflow threshold in descriptors."); |
Vladimir Kondratiev | b6b1b0e | 2014-09-22 15:31:41 +0300 | [diff] [blame] | 48 | |
Vladimir Kondratiev | 9a06bec | 2014-10-28 16:51:27 +0200 | [diff] [blame] | 49 | /* We allow allocation of more than 1 page buffers to support large packets. |
| 50 | * It is suboptimal behavior performance wise in case MTU above page size. |
| 51 | */ |
Vladimir Kondratiev | c44690a | 2014-12-23 09:47:11 +0200 | [diff] [blame] | 52 | unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; |
Vladimir Kondratiev | 9a06bec | 2014-10-28 16:51:27 +0200 | [diff] [blame] | 53 | static int mtu_max_set(const char *val, const struct kernel_param *kp) |
| 54 | { |
| 55 | int ret; |
| 56 | |
| 57 | /* sets mtu_max directly. no need to restore it in case of |
| 58 | * illegal value since we assume this will fail insmod |
| 59 | */ |
| 60 | ret = param_set_uint(val, kp); |
| 61 | if (ret) |
| 62 | return ret; |
| 63 | |
Vladimir Kondratiev | 4590d81 | 2014-12-23 09:47:12 +0200 | [diff] [blame] | 64 | if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) |
Vladimir Kondratiev | 9a06bec | 2014-10-28 16:51:27 +0200 | [diff] [blame] | 65 | ret = -EINVAL; |
| 66 | |
| 67 | return ret; |
| 68 | } |
| 69 | |
Luis R. Rodriguez | 9c27847 | 2015-05-27 11:09:38 +0930 | [diff] [blame] | 70 | static const struct kernel_param_ops mtu_max_ops = { |
Vladimir Kondratiev | 9a06bec | 2014-10-28 16:51:27 +0200 | [diff] [blame] | 71 | .set = mtu_max_set, |
| 72 | .get = param_get_uint, |
| 73 | }; |
| 74 | |
| 75 | module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, S_IRUGO); |
| 76 | MODULE_PARM_DESC(mtu_max, " Max MTU value."); |
| 77 | |
Vladimir Kondratiev | d3762b4 | 2014-12-01 15:35:02 +0200 | [diff] [blame] | 78 | static uint rx_ring_order = WIL_RX_RING_SIZE_ORDER_DEFAULT; |
| 79 | static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT; |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 80 | static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT; |
Vladimir Kondratiev | d3762b4 | 2014-12-01 15:35:02 +0200 | [diff] [blame] | 81 | |
| 82 | static int ring_order_set(const char *val, const struct kernel_param *kp) |
| 83 | { |
| 84 | int ret; |
| 85 | uint x; |
| 86 | |
| 87 | ret = kstrtouint(val, 0, &x); |
| 88 | if (ret) |
| 89 | return ret; |
| 90 | |
| 91 | if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX)) |
| 92 | return -EINVAL; |
| 93 | |
| 94 | *((uint *)kp->arg) = x; |
| 95 | |
| 96 | return 0; |
| 97 | } |
| 98 | |
Luis R. Rodriguez | 9c27847 | 2015-05-27 11:09:38 +0930 | [diff] [blame] | 99 | static const struct kernel_param_ops ring_order_ops = { |
Vladimir Kondratiev | d3762b4 | 2014-12-01 15:35:02 +0200 | [diff] [blame] | 100 | .set = ring_order_set, |
| 101 | .get = param_get_uint, |
| 102 | }; |
| 103 | |
| 104 | module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, S_IRUGO); |
| 105 | MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order"); |
| 106 | module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, S_IRUGO); |
| 107 | MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); |
Vladimir Kondratiev | d507d1b | 2015-06-09 14:11:17 +0300 | [diff] [blame] | 108 | module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, S_IRUGO); |
| 109 | MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); |
Vladimir Kondratiev | d3762b4 | 2014-12-01 15:35:02 +0200 | [diff] [blame] | 110 | |
Vladimir Kondratiev | 520d68e | 2014-08-06 10:31:53 +0300 | [diff] [blame] | 111 | #define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ |
| 112 | #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ |
| 113 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 114 | /* |
| 115 | * Due to a hardware issue, |
| 116 | * one has to read/write to/from NIC in 32-bit chunks; |
| 117 | * regular memcpy_fromio and siblings will |
| 118 | * not work on 64-bit platform - it uses 64-bit transactions |
| 119 | * |
| 120 | * Force 32-bit transactions to enable NIC on 64-bit platforms |
| 121 | * |
| 122 | * To avoid byte swap on big endian host, __raw_{read|write}l |
| 123 | * should be used - {read|write}l would swap bytes to provide |
| 124 | * little endian on PCI value in host endianness. |
| 125 | */ |
| 126 | void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src, |
| 127 | size_t count) |
| 128 | { |
| 129 | u32 *d = dst; |
| 130 | const volatile u32 __iomem *s = src; |
| 131 | |
| 132 | /* size_t is unsigned, if (count%4 != 0) it will wrap */ |
| 133 | for (count += 4; count > 4; count -= 4) |
| 134 | *d++ = __raw_readl(s++); |
| 135 | } |
| 136 | |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 137 | void wil_memcpy_fromio_halp_vote(struct wil6210_priv *wil, void *dst, |
| 138 | const volatile void __iomem *src, size_t count) |
| 139 | { |
| 140 | wil_halp_vote(wil); |
| 141 | wil_memcpy_fromio_32(dst, src, count); |
| 142 | wil_halp_unvote(wil); |
| 143 | } |
| 144 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 145 | void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, |
| 146 | size_t count) |
| 147 | { |
| 148 | volatile u32 __iomem *d = dst; |
| 149 | const u32 *s = src; |
| 150 | |
| 151 | for (count += 4; count > 4; count -= 4) |
| 152 | __raw_writel(*s++, d++); |
| 153 | } |
| 154 | |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 155 | void wil_memcpy_toio_halp_vote(struct wil6210_priv *wil, |
| 156 | volatile void __iomem *dst, |
| 157 | const void *src, size_t count) |
| 158 | { |
| 159 | wil_halp_vote(wil); |
| 160 | wil_memcpy_toio_32(dst, src, count); |
| 161 | wil_halp_unvote(wil); |
| 162 | } |
| 163 | |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 164 | static void wil_disconnect_cid(struct wil6210_priv *wil, int cid, |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 165 | u16 reason_code, bool from_event) |
Vladimir Kondratiev | bd33273 | 2014-12-23 09:47:24 +0200 | [diff] [blame] | 166 | __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 167 | { |
| 168 | uint i; |
Vladimir Kondratiev | fc58f68 | 2014-06-16 19:37:16 +0300 | [diff] [blame] | 169 | struct net_device *ndev = wil_to_ndev(wil); |
| 170 | struct wireless_dev *wdev = wil->wdev; |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 171 | struct wil_sta_info *sta = &wil->sta[cid]; |
Vladimir Kondratiev | 8fe5962 | 2014-09-10 16:34:34 +0300 | [diff] [blame] | 172 | |
Vladimir Kondratiev | bd33273 | 2014-12-23 09:47:24 +0200 | [diff] [blame] | 173 | might_sleep(); |
Vladimir Kondratiev | fc58f68 | 2014-06-16 19:37:16 +0300 | [diff] [blame] | 174 | wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid, |
| 175 | sta->status); |
Vladimir Kondratiev | 5852742 | 2016-03-01 19:18:07 +0200 | [diff] [blame] | 176 | /* inform upper/lower layers */ |
Vladimir Kondratiev | 4d55a0a | 2014-02-27 16:20:54 +0200 | [diff] [blame] | 177 | if (sta->status != wil_sta_unused) { |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 178 | if (!from_event) |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 179 | wmi_disconnect_sta(wil, sta->addr, reason_code, true); |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 180 | |
Vladimir Kondratiev | fc58f68 | 2014-06-16 19:37:16 +0300 | [diff] [blame] | 181 | switch (wdev->iftype) { |
| 182 | case NL80211_IFTYPE_AP: |
| 183 | case NL80211_IFTYPE_P2P_GO: |
| 184 | /* AP-like interface */ |
| 185 | cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL); |
| 186 | break; |
| 187 | default: |
| 188 | break; |
| 189 | } |
Vladimir Kondratiev | 4d55a0a | 2014-02-27 16:20:54 +0200 | [diff] [blame] | 190 | sta->status = wil_sta_unused; |
| 191 | } |
Vladimir Kondratiev | 5852742 | 2016-03-01 19:18:07 +0200 | [diff] [blame] | 192 | /* reorder buffers */ |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 193 | for (i = 0; i < WIL_STA_TID_NUM; i++) { |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 194 | struct wil_tid_ampdu_rx *r; |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 195 | |
Vladimir Kondratiev | bd33273 | 2014-12-23 09:47:24 +0200 | [diff] [blame] | 196 | spin_lock_bh(&sta->tid_rx_lock); |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 197 | |
| 198 | r = sta->tid_rx[i]; |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 199 | sta->tid_rx[i] = NULL; |
| 200 | wil_tid_ampdu_rx_free(wil, r); |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 201 | |
Vladimir Kondratiev | bd33273 | 2014-12-23 09:47:24 +0200 | [diff] [blame] | 202 | spin_unlock_bh(&sta->tid_rx_lock); |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 203 | } |
Vladimir Kondratiev | 5852742 | 2016-03-01 19:18:07 +0200 | [diff] [blame] | 204 | /* crypto context */ |
| 205 | memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); |
| 206 | memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); |
| 207 | /* release vrings */ |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 208 | for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { |
| 209 | if (wil->vring2cid_tid[i][0] == cid) |
| 210 | wil_vring_fini_tx(wil, i); |
| 211 | } |
Vladimir Kondratiev | 5852742 | 2016-03-01 19:18:07 +0200 | [diff] [blame] | 212 | /* statistics */ |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 213 | memset(&sta->stats, 0, sizeof(sta->stats)); |
| 214 | } |
| 215 | |
Maya Erez | 54eaa8c | 2016-04-26 14:41:40 +0300 | [diff] [blame] | 216 | static bool wil_ap_is_connected(struct wil6210_priv *wil) |
| 217 | { |
| 218 | int i; |
| 219 | |
| 220 | for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { |
| 221 | if (wil->sta[i].status == wil_sta_connected) |
| 222 | return true; |
| 223 | } |
| 224 | |
| 225 | return false; |
| 226 | } |
| 227 | |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 228 | static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 229 | u16 reason_code, bool from_event) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 230 | { |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 231 | int cid = -ENOENT; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 232 | struct net_device *ndev = wil_to_ndev(wil); |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 233 | struct wireless_dev *wdev = wil->wdev; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 234 | |
Lior David | 2690c4c | 2016-08-18 16:52:16 +0300 | [diff] [blame] | 235 | if (unlikely(!ndev)) |
| 236 | return; |
| 237 | |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 238 | might_sleep(); |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 239 | wil_info(wil, "%s(bssid=%pM, reason=%d, ev%s)\n", __func__, bssid, |
| 240 | reason_code, from_event ? "+" : "-"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 241 | |
Vladimir Kondratiev | 100106d | 2014-12-23 09:47:07 +0200 | [diff] [blame] | 242 | /* Cases are: |
| 243 | * - disconnect single STA, still connected |
| 244 | * - disconnect single STA, already disconnected |
| 245 | * - disconnect all |
| 246 | * |
Vladimir Kondratiev | 68682b4 | 2015-10-04 10:23:22 +0300 | [diff] [blame] | 247 | * For "disconnect all", there are 3 options: |
Vladimir Kondratiev | 100106d | 2014-12-23 09:47:07 +0200 | [diff] [blame] | 248 | * - bssid == NULL |
Vladimir Kondratiev | 68682b4 | 2015-10-04 10:23:22 +0300 | [diff] [blame] | 249 | * - bssid is broadcast address (ff:ff:ff:ff:ff:ff) |
Vladimir Kondratiev | 100106d | 2014-12-23 09:47:07 +0200 | [diff] [blame] | 250 | * - bssid is our MAC address |
| 251 | */ |
Vladimir Kondratiev | 68682b4 | 2015-10-04 10:23:22 +0300 | [diff] [blame] | 252 | if (bssid && !is_broadcast_ether_addr(bssid) && |
| 253 | !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) { |
Vladimir Kondratiev | 100106d | 2014-12-23 09:47:07 +0200 | [diff] [blame] | 254 | cid = wil_find_cid(wil, bssid); |
| 255 | wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n", |
| 256 | bssid, cid, reason_code); |
| 257 | if (cid >= 0) /* disconnect 1 peer */ |
| 258 | wil_disconnect_cid(wil, cid, reason_code, from_event); |
| 259 | } else { /* all */ |
| 260 | wil_dbg_misc(wil, "Disconnect all\n"); |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 261 | for (cid = 0; cid < WIL6210_MAX_CID; cid++) |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 262 | wil_disconnect_cid(wil, cid, reason_code, from_event); |
Vladimir Kondratiev | 100106d | 2014-12-23 09:47:07 +0200 | [diff] [blame] | 263 | } |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 264 | |
| 265 | /* link state */ |
| 266 | switch (wdev->iftype) { |
| 267 | case NL80211_IFTYPE_STATION: |
| 268 | case NL80211_IFTYPE_P2P_CLIENT: |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 269 | wil_bcast_fini(wil); |
Dedy Lansky | c5e96c9 | 2015-01-25 10:52:43 +0200 | [diff] [blame] | 270 | netif_tx_stop_all_queues(ndev); |
| 271 | netif_carrier_off(ndev); |
| 272 | |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 273 | if (test_bit(wil_status_fwconnected, wil->status)) { |
| 274 | clear_bit(wil_status_fwconnected, wil->status); |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 275 | cfg80211_disconnected(ndev, reason_code, |
Johannes Berg | 80279fb | 2015-05-22 16:22:20 +0200 | [diff] [blame] | 276 | NULL, 0, false, GFP_KERNEL); |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 277 | } else if (test_bit(wil_status_fwconnecting, wil->status)) { |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 278 | cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, |
| 279 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 280 | GFP_KERNEL); |
Vladimir Kondratiev | b4490f4 | 2014-02-27 16:20:44 +0200 | [diff] [blame] | 281 | } |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 282 | clear_bit(wil_status_fwconnecting, wil->status); |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 283 | break; |
Maya Erez | 54eaa8c | 2016-04-26 14:41:40 +0300 | [diff] [blame] | 284 | case NL80211_IFTYPE_AP: |
| 285 | case NL80211_IFTYPE_P2P_GO: |
| 286 | if (!wil_ap_is_connected(wil)) |
| 287 | clear_bit(wil_status_fwconnected, wil->status); |
| 288 | break; |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 289 | default: |
Vladimir Kondratiev | 91886b0 | 2014-02-27 16:20:50 +0200 | [diff] [blame] | 290 | break; |
Vladimir Kondratiev | b4490f4 | 2014-02-27 16:20:44 +0200 | [diff] [blame] | 291 | } |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | static void wil_disconnect_worker(struct work_struct *work) |
| 295 | { |
| 296 | struct wil6210_priv *wil = container_of(work, |
| 297 | struct wil6210_priv, disconnect_worker); |
| 298 | |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 299 | mutex_lock(&wil->mutex); |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 300 | _wil6210_disconnect(wil, NULL, WLAN_REASON_UNSPECIFIED, false); |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 301 | mutex_unlock(&wil->mutex); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | static void wil_connect_timer_fn(ulong x) |
| 305 | { |
| 306 | struct wil6210_priv *wil = (void *)x; |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 307 | bool q; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 308 | |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 309 | wil_err(wil, "Connect timeout detected, disconnect station\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 310 | |
| 311 | /* reschedule to thread context - disconnect won't |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 312 | * run from atomic context. |
| 313 | * queue on wmi_wq to prevent race with connect event. |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 314 | */ |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 315 | q = queue_work(wil->wmi_wq, &wil->disconnect_worker); |
| 316 | wil_dbg_wmi(wil, "queue_work of disconnect_worker -> %d\n", q); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 317 | } |
| 318 | |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 319 | static void wil_scan_timer_fn(ulong x) |
| 320 | { |
| 321 | struct wil6210_priv *wil = (void *)x; |
| 322 | |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 323 | clear_bit(wil_status_fwready, wil->status); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 324 | wil_err(wil, "Scan timeout detected, start fw error recovery\n"); |
Vladimir Kondratiev | 8ad6600 | 2015-07-30 13:51:54 +0300 | [diff] [blame] | 325 | wil_fw_error_recovery(wil); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 326 | } |
| 327 | |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 328 | static int wil_wait_for_recovery(struct wil6210_priv *wil) |
| 329 | { |
| 330 | if (wait_event_interruptible(wil->wq, wil->recovery_state != |
| 331 | fw_recovery_pending)) { |
| 332 | wil_err(wil, "Interrupt, canceling recovery\n"); |
| 333 | return -ERESTARTSYS; |
| 334 | } |
| 335 | if (wil->recovery_state != fw_recovery_running) { |
| 336 | wil_info(wil, "Recovery cancelled\n"); |
| 337 | return -EINTR; |
| 338 | } |
| 339 | wil_info(wil, "Proceed with recovery\n"); |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | void wil_set_recovery_state(struct wil6210_priv *wil, int state) |
| 344 | { |
| 345 | wil_dbg_misc(wil, "%s(%d -> %d)\n", __func__, |
| 346 | wil->recovery_state, state); |
| 347 | |
| 348 | wil->recovery_state = state; |
| 349 | wake_up_interruptible(&wil->wq); |
| 350 | } |
| 351 | |
Lior David | 375a173 | 2016-03-01 19:18:16 +0200 | [diff] [blame] | 352 | bool wil_is_recovery_blocked(struct wil6210_priv *wil) |
| 353 | { |
| 354 | return no_fw_recovery && (wil->recovery_state == fw_recovery_pending); |
| 355 | } |
| 356 | |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 357 | static void wil_fw_error_worker(struct work_struct *work) |
| 358 | { |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 359 | struct wil6210_priv *wil = container_of(work, struct wil6210_priv, |
| 360 | fw_error_worker); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 361 | struct wireless_dev *wdev = wil->wdev; |
| 362 | |
| 363 | wil_dbg_misc(wil, "fw error worker\n"); |
| 364 | |
Vladimir Kondratiev | cded936 | 2014-10-28 16:50:06 +0200 | [diff] [blame] | 365 | if (!netif_running(wil_to_ndev(wil))) { |
| 366 | wil_info(wil, "No recovery - interface is down\n"); |
| 367 | return; |
| 368 | } |
| 369 | |
Vladimir Kondratiev | fc219ee | 2014-05-27 14:45:45 +0300 | [diff] [blame] | 370 | /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO |
| 371 | * passed since last recovery attempt |
| 372 | */ |
| 373 | if (time_is_after_jiffies(wil->last_fw_recovery + |
| 374 | WIL6210_FW_RECOVERY_TO)) |
| 375 | wil->recovery_count++; |
| 376 | else |
| 377 | wil->recovery_count = 1; /* fw was alive for a long time */ |
| 378 | |
| 379 | if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) { |
| 380 | wil_err(wil, "too many recovery attempts (%d), giving up\n", |
| 381 | wil->recovery_count); |
| 382 | return; |
| 383 | } |
| 384 | |
| 385 | wil->last_fw_recovery = jiffies; |
| 386 | |
Vladimir Kondratiev | 9c3bde5 | 2014-03-17 15:34:21 +0200 | [diff] [blame] | 387 | mutex_lock(&wil->mutex); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 388 | switch (wdev->iftype) { |
| 389 | case NL80211_IFTYPE_STATION: |
| 390 | case NL80211_IFTYPE_P2P_CLIENT: |
| 391 | case NL80211_IFTYPE_MONITOR: |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 392 | wil_info(wil, "fw error recovery requested (try %d)...\n", |
Vladimir Kondratiev | fc219ee | 2014-05-27 14:45:45 +0300 | [diff] [blame] | 393 | wil->recovery_count); |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 394 | if (!no_fw_recovery) |
| 395 | wil->recovery_state = fw_recovery_running; |
| 396 | if (0 != wil_wait_for_recovery(wil)) |
| 397 | break; |
| 398 | |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 399 | __wil_down(wil); |
| 400 | __wil_up(wil); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 401 | break; |
| 402 | case NL80211_IFTYPE_AP: |
| 403 | case NL80211_IFTYPE_P2P_GO: |
Vladimir Kondratiev | e240537 | 2014-10-28 16:50:09 +0200 | [diff] [blame] | 404 | wil_info(wil, "No recovery for AP-like interface\n"); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 405 | /* recovery in these modes is done by upper layers */ |
| 406 | break; |
| 407 | default: |
Vladimir Kondratiev | e240537 | 2014-10-28 16:50:09 +0200 | [diff] [blame] | 408 | wil_err(wil, "No recovery - unknown interface type %d\n", |
| 409 | wdev->iftype); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 410 | break; |
| 411 | } |
Vladimir Kondratiev | 9c3bde5 | 2014-03-17 15:34:21 +0200 | [diff] [blame] | 412 | mutex_unlock(&wil->mutex); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 413 | } |
| 414 | |
Vladimir Kondratiev | 9a17738 | 2014-02-27 16:20:45 +0200 | [diff] [blame] | 415 | static int wil_find_free_vring(struct wil6210_priv *wil) |
| 416 | { |
| 417 | int i; |
Vladimir Kondratiev | 8fe5962 | 2014-09-10 16:34:34 +0300 | [diff] [blame] | 418 | |
Vladimir Kondratiev | 9a17738 | 2014-02-27 16:20:45 +0200 | [diff] [blame] | 419 | for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { |
| 420 | if (!wil->vring_tx[i].va) |
| 421 | return i; |
| 422 | } |
| 423 | return -EINVAL; |
| 424 | } |
| 425 | |
Maya Erez | 0916d9f | 2016-01-17 12:39:10 +0200 | [diff] [blame] | 426 | int wil_tx_init(struct wil6210_priv *wil, int cid) |
| 427 | { |
| 428 | int rc = -EINVAL, ringid; |
| 429 | |
| 430 | if (cid < 0) { |
| 431 | wil_err(wil, "No connection pending\n"); |
| 432 | goto out; |
| 433 | } |
| 434 | ringid = wil_find_free_vring(wil); |
| 435 | if (ringid < 0) { |
| 436 | wil_err(wil, "No free vring found\n"); |
| 437 | goto out; |
| 438 | } |
| 439 | |
| 440 | wil_dbg_wmi(wil, "Configure for connection CID %d vring %d\n", |
| 441 | cid, ringid); |
| 442 | |
| 443 | rc = wil_vring_init_tx(wil, ringid, 1 << tx_ring_order, cid, 0); |
| 444 | if (rc) |
| 445 | wil_err(wil, "wil_vring_init_tx for CID %d vring %d failed\n", |
| 446 | cid, ringid); |
| 447 | |
| 448 | out: |
| 449 | return rc; |
| 450 | } |
| 451 | |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 452 | int wil_bcast_init(struct wil6210_priv *wil) |
| 453 | { |
| 454 | int ri = wil->bcast_vring, rc; |
| 455 | |
| 456 | if ((ri >= 0) && wil->vring_tx[ri].va) |
| 457 | return 0; |
| 458 | |
| 459 | ri = wil_find_free_vring(wil); |
| 460 | if (ri < 0) |
| 461 | return ri; |
| 462 | |
Vladimir Kondratiev | 230d844 | 2015-04-30 16:25:10 +0300 | [diff] [blame] | 463 | wil->bcast_vring = ri; |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 464 | rc = wil_vring_init_bcast(wil, ri, 1 << bcast_ring_order); |
Vladimir Kondratiev | 230d844 | 2015-04-30 16:25:10 +0300 | [diff] [blame] | 465 | if (rc) |
| 466 | wil->bcast_vring = -1; |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 467 | |
| 468 | return rc; |
| 469 | } |
| 470 | |
| 471 | void wil_bcast_fini(struct wil6210_priv *wil) |
| 472 | { |
| 473 | int ri = wil->bcast_vring; |
| 474 | |
| 475 | if (ri < 0) |
| 476 | return; |
| 477 | |
| 478 | wil->bcast_vring = -1; |
| 479 | wil_vring_fini_tx(wil, ri); |
| 480 | } |
| 481 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 482 | int wil_priv_init(struct wil6210_priv *wil) |
| 483 | { |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 484 | uint i; |
| 485 | |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 486 | wil_dbg_misc(wil, "%s()\n", __func__); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 487 | |
Vladimir Kondratiev | 3df2cd36 | 2014-02-27 16:20:43 +0200 | [diff] [blame] | 488 | memset(wil->sta, 0, sizeof(wil->sta)); |
Dedy Lansky | ec81b5a | 2014-09-10 16:34:42 +0300 | [diff] [blame] | 489 | for (i = 0; i < WIL6210_MAX_CID; i++) |
| 490 | spin_lock_init(&wil->sta[i].tid_rx_lock); |
Vladimir Kondratiev | 3df2cd36 | 2014-02-27 16:20:43 +0200 | [diff] [blame] | 491 | |
Maya Erez | 875e943 | 2016-01-28 19:24:02 +0200 | [diff] [blame] | 492 | for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) |
| 493 | spin_lock_init(&wil->vring_tx_data[i].lock); |
| 494 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 495 | mutex_init(&wil->mutex); |
| 496 | mutex_init(&wil->wmi_mutex); |
Vladimir Kondratiev | 40822a9 | 2015-01-25 10:52:50 +0200 | [diff] [blame] | 497 | mutex_init(&wil->probe_client_mutex); |
Lior David | 4332cac | 2016-03-01 19:18:13 +0200 | [diff] [blame] | 498 | mutex_init(&wil->p2p_wdev_mutex); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 499 | mutex_init(&wil->halp.lock); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 500 | |
| 501 | init_completion(&wil->wmi_ready); |
Dedy Lansky | 5950264 | 2014-09-10 16:34:46 +0300 | [diff] [blame] | 502 | init_completion(&wil->wmi_call); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 503 | init_completion(&wil->halp.comp); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 504 | |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 505 | wil->bcast_vring = -1; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 506 | setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 507 | setup_timer(&wil->scan_timer, wil_scan_timer_fn, (ulong)wil); |
Dedy Lansky | e6d6834 | 2016-03-01 19:18:12 +0200 | [diff] [blame] | 508 | setup_timer(&wil->p2p.discovery_timer, wil_p2p_discovery_timer_fn, |
| 509 | (ulong)wil); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 510 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 511 | INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker); |
| 512 | INIT_WORK(&wil->wmi_event_worker, wmi_event_worker); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 513 | INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker); |
Vladimir Kondratiev | 40822a9 | 2015-01-25 10:52:50 +0200 | [diff] [blame] | 514 | INIT_WORK(&wil->probe_client_worker, wil_probe_client_worker); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 515 | |
| 516 | INIT_LIST_HEAD(&wil->pending_wmi_ev); |
Vladimir Kondratiev | 40822a9 | 2015-01-25 10:52:50 +0200 | [diff] [blame] | 517 | INIT_LIST_HEAD(&wil->probe_client_pending); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 518 | spin_lock_init(&wil->wmi_ev_lock); |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 519 | init_waitqueue_head(&wil->wq); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 520 | |
Vladimir Kondratiev | 3277213 | 2014-12-23 09:47:03 +0200 | [diff] [blame] | 521 | wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 522 | if (!wil->wmi_wq) |
| 523 | return -EAGAIN; |
| 524 | |
Vladimir Kondratiev | 3277213 | 2014-12-23 09:47:03 +0200 | [diff] [blame] | 525 | wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service"); |
| 526 | if (!wil->wq_service) |
| 527 | goto out_wmi_wq; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 528 | |
Vladimir Kondratiev | fc219ee | 2014-05-27 14:45:45 +0300 | [diff] [blame] | 529 | wil->last_fw_recovery = jiffies; |
Vladimir Shulman | 1f80af2 | 2015-01-25 10:52:48 +0200 | [diff] [blame] | 530 | wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT; |
| 531 | wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT; |
| 532 | wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT; |
| 533 | wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT; |
Vladimir Kondratiev | fc219ee | 2014-05-27 14:45:45 +0300 | [diff] [blame] | 534 | |
Vladimir Kondratiev | ab95462 | 2014-12-23 09:47:20 +0200 | [diff] [blame] | 535 | if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT) |
| 536 | rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 537 | return 0; |
Vladimir Kondratiev | 3277213 | 2014-12-23 09:47:03 +0200 | [diff] [blame] | 538 | |
| 539 | out_wmi_wq: |
| 540 | destroy_workqueue(wil->wmi_wq); |
| 541 | |
| 542 | return -EAGAIN; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 543 | } |
| 544 | |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 545 | /** |
| 546 | * wil6210_disconnect - disconnect one connection |
| 547 | * @wil: driver context |
| 548 | * @bssid: peer to disconnect, NULL to disconnect all |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 549 | * @reason_code: Reason code for the Disassociation frame |
Vladimir Kondratiev | b516fcc | 2014-10-28 16:50:08 +0200 | [diff] [blame] | 550 | * @from_event: whether is invoked from FW event handler |
| 551 | * |
| 552 | * Disconnect and release associated resources. If invoked not from the |
| 553 | * FW event handler, issue WMI command(s) to trigger MAC disconnect. |
| 554 | */ |
| 555 | void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 556 | u16 reason_code, bool from_event) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 557 | { |
Vladimir Kondratiev | 9cf10d6 | 2014-09-10 16:34:36 +0300 | [diff] [blame] | 558 | wil_dbg_misc(wil, "%s()\n", __func__); |
| 559 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 560 | del_timer_sync(&wil->connect_timer); |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 561 | _wil6210_disconnect(wil, bssid, reason_code, from_event); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | void wil_priv_deinit(struct wil6210_priv *wil) |
| 565 | { |
Vladimir Kondratiev | 9cf10d6 | 2014-09-10 16:34:36 +0300 | [diff] [blame] | 566 | wil_dbg_misc(wil, "%s()\n", __func__); |
| 567 | |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 568 | wil_set_recovery_state(wil, fw_recovery_idle); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 569 | del_timer_sync(&wil->scan_timer); |
Dedy Lansky | e6d6834 | 2016-03-01 19:18:12 +0200 | [diff] [blame] | 570 | del_timer_sync(&wil->p2p.discovery_timer); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 571 | cancel_work_sync(&wil->disconnect_worker); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 572 | cancel_work_sync(&wil->fw_error_worker); |
Dedy Lansky | e6d6834 | 2016-03-01 19:18:12 +0200 | [diff] [blame] | 573 | cancel_work_sync(&wil->p2p.discovery_expired_work); |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 574 | mutex_lock(&wil->mutex); |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 575 | wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 576 | mutex_unlock(&wil->mutex); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 577 | wmi_event_flush(wil); |
Vladimir Kondratiev | 40822a9 | 2015-01-25 10:52:50 +0200 | [diff] [blame] | 578 | wil_probe_client_flush(wil); |
| 579 | cancel_work_sync(&wil->probe_client_worker); |
Vladimir Kondratiev | 3277213 | 2014-12-23 09:47:03 +0200 | [diff] [blame] | 580 | destroy_workqueue(wil->wq_service); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 581 | destroy_workqueue(wil->wmi_wq); |
| 582 | } |
| 583 | |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 584 | static inline void wil_halt_cpu(struct wil6210_priv *wil) |
| 585 | { |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 586 | wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); |
| 587 | wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 588 | } |
| 589 | |
| 590 | static inline void wil_release_cpu(struct wil6210_priv *wil) |
| 591 | { |
| 592 | /* Start CPU */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 593 | wil_w(wil, RGF_USER_USER_CPU_0, 1); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 594 | } |
| 595 | |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 596 | static void wil_set_oob_mode(struct wil6210_priv *wil, bool enable) |
| 597 | { |
| 598 | wil_info(wil, "%s: enable=%d\n", __func__, enable); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 599 | if (enable) |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 600 | wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 601 | else |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 602 | wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE); |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 603 | } |
| 604 | |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 605 | static int wil_target_reset(struct wil6210_priv *wil) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 606 | { |
Vladimir Kondratiev | 98a65b5 | 2014-03-17 15:34:12 +0200 | [diff] [blame] | 607 | int delay = 0; |
Vladimir Kondratiev | bb6c8dc | 2015-04-30 16:25:07 +0300 | [diff] [blame] | 608 | u32 x, x1 = 0; |
Vladimir Kondratiev | 36b10a7 | 2014-03-17 15:34:10 +0200 | [diff] [blame] | 609 | |
Vladimir Kondratiev | 1aeda13 | 2014-12-23 09:47:18 +0200 | [diff] [blame] | 610 | wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); |
Vladimir Kondratiev | 6508281 | 2014-07-14 09:49:37 +0300 | [diff] [blame] | 611 | |
| 612 | /* Clear MAC link up */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 613 | wil_s(wil, RGF_HP_CTRL, BIT(15)); |
| 614 | wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD); |
| 615 | wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 616 | |
| 617 | wil_halt_cpu(wil); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 618 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 619 | /* clear all boot loader "ready" bits */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 620 | wil_w(wil, RGF_USER_BL + |
| 621 | offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0); |
Vladimir Kondratiev | cce47711 | 2014-12-01 15:36:31 +0200 | [diff] [blame] | 622 | /* Clear Fw Download notification */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 623 | wil_c(wil, RGF_USER_USAGE_6, BIT(0)); |
Vladimir Kondratiev | cce47711 | 2014-12-01 15:36:31 +0200 | [diff] [blame] | 624 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 625 | wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN); |
Vladimir Kondratiev | 9a5511b | 2015-02-15 14:02:31 +0200 | [diff] [blame] | 626 | /* XTAL stabilization should take about 3ms */ |
| 627 | usleep_range(5000, 7000); |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 628 | x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS); |
Vladimir Kondratiev | 9a5511b | 2015-02-15 14:02:31 +0200 | [diff] [blame] | 629 | if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) { |
| 630 | wil_err(wil, "Xtal stabilization timeout\n" |
| 631 | "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x); |
| 632 | return -ETIME; |
Vladimir Kondratiev | 6508281 | 2014-07-14 09:49:37 +0300 | [diff] [blame] | 633 | } |
Vladimir Kondratiev | 9a5511b | 2015-02-15 14:02:31 +0200 | [diff] [blame] | 634 | /* switch 10k to XTAL*/ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 635 | wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF); |
Vladimir Kondratiev | 9a5511b | 2015-02-15 14:02:31 +0200 | [diff] [blame] | 636 | /* 40 MHz */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 637 | wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); |
Vladimir Kondratiev | 9a5511b | 2015-02-15 14:02:31 +0200 | [diff] [blame] | 638 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 639 | wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); |
| 640 | wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); |
Vladimir Kondratiev | 6508281 | 2014-07-14 09:49:37 +0300 | [diff] [blame] | 641 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 642 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000); |
| 643 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F); |
| 644 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); |
| 645 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 646 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 647 | wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); |
| 648 | wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); |
Vladimir Kondratiev | 6508281 | 2014-07-14 09:49:37 +0300 | [diff] [blame] | 649 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 650 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0); |
| 651 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0); |
| 652 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0); |
| 653 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 654 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 655 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003); |
| 656 | /* reset A2 PCIE AHB */ |
| 657 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000); |
Vladimir Kondratiev | 6508281 | 2014-07-14 09:49:37 +0300 | [diff] [blame] | 658 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 659 | wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 660 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 661 | /* wait until device ready. typical time is 20..80 msec */ |
Vladimir Kondratiev | 36b10a7 | 2014-03-17 15:34:10 +0200 | [diff] [blame] | 662 | do { |
Vladimir Kondratiev | 520d68e | 2014-08-06 10:31:53 +0300 | [diff] [blame] | 663 | msleep(RST_DELAY); |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 664 | x = wil_r(wil, RGF_USER_BL + |
| 665 | offsetof(struct bl_dedicated_registers_v0, |
| 666 | boot_loader_ready)); |
Vladimir Kondratiev | bb6c8dc | 2015-04-30 16:25:07 +0300 | [diff] [blame] | 667 | if (x1 != x) { |
| 668 | wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x); |
| 669 | x1 = x; |
| 670 | } |
Vladimir Kondratiev | 520d68e | 2014-08-06 10:31:53 +0300 | [diff] [blame] | 671 | if (delay++ > RST_COUNT) { |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 672 | wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", |
Vladimir Kondratiev | 4851629 | 2014-10-28 16:50:07 +0200 | [diff] [blame] | 673 | x); |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 674 | return -ETIME; |
Vladimir Kondratiev | 36b10a7 | 2014-03-17 15:34:10 +0200 | [diff] [blame] | 675 | } |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 676 | } while (x != BL_READY); |
Vladimir Kondratiev | 36b10a7 | 2014-03-17 15:34:10 +0200 | [diff] [blame] | 677 | |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 678 | wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); |
Vladimir Kondratiev | 972072a | 2014-03-17 15:34:15 +0200 | [diff] [blame] | 679 | |
Vladimir Kondratiev | e335127 | 2015-02-15 14:02:32 +0200 | [diff] [blame] | 680 | /* enable fix for HW bug related to the SA/DA swap in AP Rx */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 681 | wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | |
| 682 | BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); |
Vladimir Kondratiev | e335127 | 2015-02-15 14:02:32 +0200 | [diff] [blame] | 683 | |
Vladimir Kondratiev | 520d68e | 2014-08-06 10:31:53 +0300 | [diff] [blame] | 684 | wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 685 | return 0; |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 686 | } |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 687 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 688 | void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) |
| 689 | { |
| 690 | le32_to_cpus(&r->base); |
| 691 | le16_to_cpus(&r->entry_size); |
| 692 | le16_to_cpus(&r->size); |
| 693 | le32_to_cpus(&r->tail); |
| 694 | le32_to_cpus(&r->head); |
| 695 | } |
| 696 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 697 | static int wil_get_bl_info(struct wil6210_priv *wil) |
| 698 | { |
| 699 | struct net_device *ndev = wil_to_ndev(wil); |
Hamad Kadmany | b42f119 | 2016-03-01 19:18:06 +0200 | [diff] [blame] | 700 | struct wiphy *wiphy = wil_to_wiphy(wil); |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 701 | union { |
| 702 | struct bl_dedicated_registers_v0 bl0; |
| 703 | struct bl_dedicated_registers_v1 bl1; |
| 704 | } bl; |
| 705 | u32 bl_ver; |
| 706 | u8 *mac; |
| 707 | u16 rf_status; |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 708 | |
Vladimir Kondratiev | 19c871c | 2015-07-30 13:52:07 +0300 | [diff] [blame] | 709 | wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), |
| 710 | sizeof(bl)); |
| 711 | bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version); |
| 712 | mac = bl.bl0.mac_address; |
| 713 | |
| 714 | if (bl_ver == 0) { |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 715 | le32_to_cpus(&bl.bl0.rf_type); |
| 716 | le32_to_cpus(&bl.bl0.baseband_type); |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 717 | rf_status = 0; /* actually, unknown */ |
| 718 | wil_info(wil, |
| 719 | "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", |
| 720 | bl_ver, mac, |
| 721 | bl.bl0.rf_type, bl.bl0.baseband_type); |
| 722 | wil_info(wil, "Boot Loader build unknown for struct v0\n"); |
Vladimir Kondratiev | 19c871c | 2015-07-30 13:52:07 +0300 | [diff] [blame] | 723 | } else { |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 724 | le16_to_cpus(&bl.bl1.rf_type); |
| 725 | rf_status = le16_to_cpu(bl.bl1.rf_status); |
| 726 | le32_to_cpus(&bl.bl1.baseband_type); |
| 727 | le16_to_cpus(&bl.bl1.bl_version_subminor); |
| 728 | le16_to_cpus(&bl.bl1.bl_version_build); |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 729 | wil_info(wil, |
| 730 | "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", |
| 731 | bl_ver, mac, |
| 732 | bl.bl1.rf_type, rf_status, |
| 733 | bl.bl1.baseband_type); |
| 734 | wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", |
| 735 | bl.bl1.bl_version_major, bl.bl1.bl_version_minor, |
| 736 | bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 737 | } |
| 738 | |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 739 | if (!is_valid_ether_addr(mac)) { |
| 740 | wil_err(wil, "BL: Invalid MAC %pM\n", mac); |
| 741 | return -EINVAL; |
| 742 | } |
| 743 | |
| 744 | ether_addr_copy(ndev->perm_addr, mac); |
Hamad Kadmany | b42f119 | 2016-03-01 19:18:06 +0200 | [diff] [blame] | 745 | ether_addr_copy(wiphy->perm_addr, mac); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 746 | if (!is_valid_ether_addr(ndev->dev_addr)) |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 747 | ether_addr_copy(ndev->dev_addr, mac); |
| 748 | |
| 749 | if (rf_status) {/* bad RF cable? */ |
| 750 | wil_err(wil, "RF communication error 0x%04x", |
| 751 | rf_status); |
| 752 | return -EAGAIN; |
| 753 | } |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 754 | |
| 755 | return 0; |
| 756 | } |
| 757 | |
Vladimir Kondratiev | 409ead5 | 2015-07-30 13:52:06 +0300 | [diff] [blame] | 758 | static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err) |
| 759 | { |
| 760 | u32 bl_assert_code, bl_assert_blink, bl_magic_number; |
| 761 | u32 bl_ver = wil_r(wil, RGF_USER_BL + |
| 762 | offsetof(struct bl_dedicated_registers_v0, |
| 763 | boot_loader_struct_version)); |
| 764 | |
| 765 | if (bl_ver < 2) |
| 766 | return; |
| 767 | |
| 768 | bl_assert_code = wil_r(wil, RGF_USER_BL + |
| 769 | offsetof(struct bl_dedicated_registers_v1, |
| 770 | bl_assert_code)); |
| 771 | bl_assert_blink = wil_r(wil, RGF_USER_BL + |
| 772 | offsetof(struct bl_dedicated_registers_v1, |
| 773 | bl_assert_blink)); |
| 774 | bl_magic_number = wil_r(wil, RGF_USER_BL + |
| 775 | offsetof(struct bl_dedicated_registers_v1, |
| 776 | bl_magic_number)); |
| 777 | |
| 778 | if (is_err) { |
| 779 | wil_err(wil, |
| 780 | "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", |
| 781 | bl_assert_code, bl_assert_blink, bl_magic_number); |
| 782 | } else { |
| 783 | wil_dbg_misc(wil, |
| 784 | "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n", |
| 785 | bl_assert_code, bl_assert_blink, bl_magic_number); |
| 786 | } |
| 787 | } |
| 788 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 789 | static int wil_wait_for_fw_ready(struct wil6210_priv *wil) |
| 790 | { |
| 791 | ulong to = msecs_to_jiffies(1000); |
| 792 | ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); |
Vladimir Kondratiev | 8fe5962 | 2014-09-10 16:34:34 +0300 | [diff] [blame] | 793 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 794 | if (0 == left) { |
| 795 | wil_err(wil, "Firmware not ready\n"); |
| 796 | return -ETIME; |
| 797 | } else { |
Vladimir Kondratiev | 15e2312 | 2014-04-08 11:36:16 +0300 | [diff] [blame] | 798 | wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n", |
| 799 | jiffies_to_msecs(to-left), wil->hw_version); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 800 | } |
| 801 | return 0; |
| 802 | } |
| 803 | |
| 804 | /* |
| 805 | * We reset all the structures, and we reset the UMAC. |
| 806 | * After calling this routine, you're expected to reload |
| 807 | * the firmware. |
| 808 | */ |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 809 | int wil_reset(struct wil6210_priv *wil, bool load_fw) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 810 | { |
| 811 | int rc; |
| 812 | |
Vladimir Kondratiev | 9cf10d6 | 2014-09-10 16:34:36 +0300 | [diff] [blame] | 813 | wil_dbg_misc(wil, "%s()\n", __func__); |
| 814 | |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 815 | WARN_ON(!mutex_is_locked(&wil->mutex)); |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 816 | WARN_ON(test_bit(wil_status_napi_en, wil->status)); |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 817 | |
Vladimir Kondratiev | bfc2dc7 | 2015-03-30 11:28:50 +0300 | [diff] [blame] | 818 | if (debug_fw) { |
| 819 | static const u8 mac[ETH_ALEN] = { |
| 820 | 0x00, 0xde, 0xad, 0x12, 0x34, 0x56, |
| 821 | }; |
| 822 | struct net_device *ndev = wil_to_ndev(wil); |
| 823 | |
| 824 | ether_addr_copy(ndev->perm_addr, mac); |
| 825 | ether_addr_copy(ndev->dev_addr, ndev->perm_addr); |
| 826 | return 0; |
| 827 | } |
| 828 | |
Vladimir Kondratiev | 67131a1 | 2015-07-30 13:51:55 +0300 | [diff] [blame] | 829 | if (wil->hw_version == HW_VER_UNKNOWN) |
| 830 | return -ENODEV; |
| 831 | |
Maya Erez | 5f0823e | 2016-03-01 19:18:11 +0200 | [diff] [blame] | 832 | if (wil->platform_ops.notify) { |
| 833 | rc = wil->platform_ops.notify(wil->platform_handle, |
| 834 | WIL_PLATFORM_EVT_PRE_RESET); |
| 835 | if (rc) |
| 836 | wil_err(wil, |
| 837 | "%s: PRE_RESET platform notify failed, rc %d\n", |
| 838 | __func__, rc); |
| 839 | } |
| 840 | |
Hamad Kadmany | f13e063 | 2015-10-04 10:23:27 +0300 | [diff] [blame] | 841 | set_bit(wil_status_resetting, wil->status); |
| 842 | |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 843 | cancel_work_sync(&wil->disconnect_worker); |
Vladimir Kondratiev | 4821e6d | 2014-12-01 15:33:15 +0200 | [diff] [blame] | 844 | wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false); |
Vladimir Kondratiev | 41d6b09 | 2015-03-15 16:00:23 +0200 | [diff] [blame] | 845 | wil_bcast_fini(wil); |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 846 | |
Maya Erez | 10d599a | 2016-05-09 21:57:11 +0300 | [diff] [blame] | 847 | /* Disable device led before reset*/ |
| 848 | wmi_led_cfg(wil, false); |
| 849 | |
Maya Erez | 452133a | 2015-11-24 09:30:15 +0200 | [diff] [blame] | 850 | /* prevent NAPI from being scheduled and prevent wmi commands */ |
| 851 | mutex_lock(&wil->wmi_mutex); |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 852 | bitmap_zero(wil->status, wil_status_last); |
Maya Erez | 452133a | 2015-11-24 09:30:15 +0200 | [diff] [blame] | 853 | mutex_unlock(&wil->wmi_mutex); |
Vladimir Kondratiev | 0fef181 | 2014-03-17 15:34:18 +0200 | [diff] [blame] | 854 | |
Lior David | 5ffae43 | 2016-08-22 12:42:19 +0300 | [diff] [blame] | 855 | mutex_lock(&wil->p2p_wdev_mutex); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 856 | if (wil->scan_request) { |
Avraham Stern | 1d76250 | 2016-07-05 17:10:13 +0300 | [diff] [blame] | 857 | struct cfg80211_scan_info info = { |
| 858 | .aborted = true, |
| 859 | }; |
| 860 | |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 861 | wil_dbg_misc(wil, "Abort scan_request 0x%p\n", |
| 862 | wil->scan_request); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 863 | del_timer_sync(&wil->scan_timer); |
Avraham Stern | 1d76250 | 2016-07-05 17:10:13 +0300 | [diff] [blame] | 864 | cfg80211_scan_done(wil->scan_request, &info); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 865 | wil->scan_request = NULL; |
| 866 | } |
Lior David | 5ffae43 | 2016-08-22 12:42:19 +0300 | [diff] [blame] | 867 | mutex_unlock(&wil->p2p_wdev_mutex); |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 868 | |
Vladimir Kondratiev | e4dbb09 | 2014-09-10 16:34:49 +0300 | [diff] [blame] | 869 | wil_mask_irq(wil); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 870 | |
Vladimir Kondratiev | e08b590 | 2013-01-28 18:31:05 +0200 | [diff] [blame] | 871 | wmi_event_flush(wil); |
| 872 | |
Vladimir Kondratiev | 3277213 | 2014-12-23 09:47:03 +0200 | [diff] [blame] | 873 | flush_workqueue(wil->wq_service); |
Vladimir Kondratiev | e08b590 | 2013-01-28 18:31:05 +0200 | [diff] [blame] | 874 | flush_workqueue(wil->wmi_wq); |
| 875 | |
Vladimir Kondratiev | 409ead5 | 2015-07-30 13:52:06 +0300 | [diff] [blame] | 876 | wil_bl_crash_info(wil, false); |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 877 | rc = wil_target_reset(wil); |
Vladimir Kondratiev | 8bf6adb | 2014-03-17 15:34:17 +0200 | [diff] [blame] | 878 | wil_rx_fini(wil); |
Vladimir Kondratiev | 409ead5 | 2015-07-30 13:52:06 +0300 | [diff] [blame] | 879 | if (rc) { |
| 880 | wil_bl_crash_info(wil, true); |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 881 | return rc; |
Vladimir Kondratiev | 409ead5 | 2015-07-30 13:52:06 +0300 | [diff] [blame] | 882 | } |
Vladimir Kondratiev | bbb2adc | 2014-08-06 10:31:52 +0300 | [diff] [blame] | 883 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 884 | rc = wil_get_bl_info(wil); |
Vladimir Kondratiev | f1ad8c9 | 2015-07-30 13:51:49 +0300 | [diff] [blame] | 885 | if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */ |
| 886 | rc = 0; |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 887 | if (rc) |
| 888 | return rc; |
| 889 | |
Lior David | 1f1a361 | 2016-03-01 19:18:18 +0200 | [diff] [blame] | 890 | wil_set_oob_mode(wil, oob_mode); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 891 | if (load_fw) { |
| 892 | wil_info(wil, "Use firmware <%s> + board <%s>\n", WIL_FW_NAME, |
| 893 | WIL_FW2_NAME); |
| 894 | |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 895 | wil_halt_cpu(wil); |
Lior David | 13cd9f7 | 2016-08-22 12:42:22 +0300 | [diff] [blame] | 896 | memset(wil->fw_version, 0, sizeof(wil->fw_version)); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 897 | /* Loading f/w from the file */ |
Lior David | 12bace7 | 2016-08-22 12:42:21 +0300 | [diff] [blame] | 898 | rc = wil_request_firmware(wil, WIL_FW_NAME, true); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 899 | if (rc) |
| 900 | return rc; |
Lior David | 12bace7 | 2016-08-22 12:42:21 +0300 | [diff] [blame] | 901 | rc = wil_request_firmware(wil, WIL_FW2_NAME, true); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 902 | if (rc) |
| 903 | return rc; |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 904 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 905 | /* Mark FW as loaded from host */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 906 | wil_s(wil, RGF_USER_USAGE_6, 1); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 907 | |
| 908 | /* clear any interrupts which on-card-firmware |
| 909 | * may have set |
| 910 | */ |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 911 | wil6210_clear_irq(wil); |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 912 | /* CAF_ICR - clear and mask */ |
| 913 | /* it is W1C, clear by writing back same value */ |
Vladimir Kondratiev | b9eeb51 | 2015-07-30 13:52:03 +0300 | [diff] [blame] | 914 | wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); |
| 915 | wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 916 | |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 917 | wil_release_cpu(wil); |
Vladimir Kondratiev | 151a970 | 2014-09-10 16:34:30 +0300 | [diff] [blame] | 918 | } |
Vladimir Kondratiev | 8bf6adb | 2014-03-17 15:34:17 +0200 | [diff] [blame] | 919 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 920 | /* init after reset */ |
Vladimir Kondratiev | 02beaf1 | 2015-03-08 15:42:03 +0200 | [diff] [blame] | 921 | wil->ap_isolate = 0; |
Wolfram Sang | 16735d0 | 2013-11-14 14:32:02 -0800 | [diff] [blame] | 922 | reinit_completion(&wil->wmi_ready); |
Dedy Lansky | 5950264 | 2014-09-10 16:34:46 +0300 | [diff] [blame] | 923 | reinit_completion(&wil->wmi_call); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 924 | reinit_completion(&wil->halp.comp); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 925 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 926 | if (load_fw) { |
| 927 | wil_configure_interrupt_moderation(wil); |
| 928 | wil_unmask_irq(wil); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 929 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 930 | /* we just started MAC, wait for FW ready */ |
| 931 | rc = wil_wait_for_fw_ready(wil); |
Maya Erez | 5f0823e | 2016-03-01 19:18:11 +0200 | [diff] [blame] | 932 | if (rc) |
| 933 | return rc; |
| 934 | |
| 935 | /* check FW is responsive */ |
| 936 | rc = wmi_echo(wil); |
| 937 | if (rc) { |
| 938 | wil_err(wil, "%s: wmi_echo failed, rc %d\n", |
| 939 | __func__, rc); |
| 940 | return rc; |
| 941 | } |
| 942 | |
| 943 | if (wil->platform_ops.notify) { |
| 944 | rc = wil->platform_ops.notify(wil->platform_handle, |
| 945 | WIL_PLATFORM_EVT_FW_RDY); |
| 946 | if (rc) { |
| 947 | wil_err(wil, |
| 948 | "%s: FW_RDY notify failed, rc %d\n", |
| 949 | __func__, rc); |
| 950 | rc = 0; |
| 951 | } |
| 952 | } |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 953 | } |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 954 | |
| 955 | return rc; |
| 956 | } |
| 957 | |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 958 | void wil_fw_error_recovery(struct wil6210_priv *wil) |
| 959 | { |
| 960 | wil_dbg_misc(wil, "starting fw error recovery\n"); |
Hamad Kadmany | f13e063 | 2015-10-04 10:23:27 +0300 | [diff] [blame] | 961 | |
| 962 | if (test_bit(wil_status_resetting, wil->status)) { |
| 963 | wil_info(wil, "Reset already in progress\n"); |
| 964 | return; |
| 965 | } |
| 966 | |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 967 | wil->recovery_state = fw_recovery_pending; |
Vladimir Kondratiev | ed6f9dc | 2014-03-17 15:34:19 +0200 | [diff] [blame] | 968 | schedule_work(&wil->fw_error_worker); |
| 969 | } |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 970 | |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 971 | int __wil_up(struct wil6210_priv *wil) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 972 | { |
| 973 | struct net_device *ndev = wil_to_ndev(wil); |
| 974 | struct wireless_dev *wdev = wil->wdev; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 975 | int rc; |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 976 | |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 977 | WARN_ON(!mutex_is_locked(&wil->mutex)); |
| 978 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 979 | rc = wil_reset(wil, true); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 980 | if (rc) |
| 981 | return rc; |
| 982 | |
Vladimir Kondratiev | e31b256 | 2013-06-09 09:12:55 +0300 | [diff] [blame] | 983 | /* Rx VRING. After MAC and beacon */ |
Vladimir Kondratiev | d3762b4 | 2014-12-01 15:35:02 +0200 | [diff] [blame] | 984 | rc = wil_rx_init(wil, 1 << rx_ring_order); |
Vladimir Kondratiev | e31b256 | 2013-06-09 09:12:55 +0300 | [diff] [blame] | 985 | if (rc) |
| 986 | return rc; |
| 987 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 988 | switch (wdev->iftype) { |
| 989 | case NL80211_IFTYPE_STATION: |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 990 | wil_dbg_misc(wil, "type: STATION\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 991 | ndev->type = ARPHRD_ETHER; |
| 992 | break; |
| 993 | case NL80211_IFTYPE_AP: |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 994 | wil_dbg_misc(wil, "type: AP\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 995 | ndev->type = ARPHRD_ETHER; |
| 996 | break; |
| 997 | case NL80211_IFTYPE_P2P_CLIENT: |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 998 | wil_dbg_misc(wil, "type: P2P_CLIENT\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 999 | ndev->type = ARPHRD_ETHER; |
| 1000 | break; |
| 1001 | case NL80211_IFTYPE_P2P_GO: |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 1002 | wil_dbg_misc(wil, "type: P2P_GO\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1003 | ndev->type = ARPHRD_ETHER; |
| 1004 | break; |
| 1005 | case NL80211_IFTYPE_MONITOR: |
Vladimir Kondratiev | 7743882 | 2013-01-28 18:31:06 +0200 | [diff] [blame] | 1006 | wil_dbg_misc(wil, "type: Monitor\n"); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1007 | ndev->type = ARPHRD_IEEE80211_RADIOTAP; |
| 1008 | /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */ |
| 1009 | break; |
| 1010 | default: |
| 1011 | return -EOPNOTSUPP; |
| 1012 | } |
| 1013 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1014 | /* MAC address - pre-requisite for other commands */ |
| 1015 | wmi_set_mac_address(wil, ndev->dev_addr); |
| 1016 | |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 1017 | wil_dbg_misc(wil, "NAPI enable\n"); |
Vladimir Kondratiev | e0287c4 | 2013-05-12 14:43:36 +0300 | [diff] [blame] | 1018 | napi_enable(&wil->napi_rx); |
| 1019 | napi_enable(&wil->napi_tx); |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 1020 | set_bit(wil_status_napi_en, wil->status); |
Vladimir Kondratiev | e0287c4 | 2013-05-12 14:43:36 +0300 | [diff] [blame] | 1021 | |
Vladimir Kondratiev | f772ebf | 2014-09-10 16:34:35 +0300 | [diff] [blame] | 1022 | if (wil->platform_ops.bus_request) |
| 1023 | wil->platform_ops.bus_request(wil->platform_handle, |
| 1024 | WIL_MAX_BUS_REQUEST_KBPS); |
| 1025 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1026 | return 0; |
| 1027 | } |
| 1028 | |
| 1029 | int wil_up(struct wil6210_priv *wil) |
| 1030 | { |
| 1031 | int rc; |
| 1032 | |
Vladimir Kondratiev | 9cf10d6 | 2014-09-10 16:34:36 +0300 | [diff] [blame] | 1033 | wil_dbg_misc(wil, "%s()\n", __func__); |
| 1034 | |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1035 | mutex_lock(&wil->mutex); |
| 1036 | rc = __wil_up(wil); |
| 1037 | mutex_unlock(&wil->mutex); |
| 1038 | |
| 1039 | return rc; |
| 1040 | } |
| 1041 | |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 1042 | int __wil_down(struct wil6210_priv *wil) |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1043 | { |
Vladimir Kondratiev | 097638a | 2014-03-17 15:34:25 +0200 | [diff] [blame] | 1044 | WARN_ON(!mutex_is_locked(&wil->mutex)); |
| 1045 | |
Lazar Alexei | b0c0e68 | 2016-08-18 16:52:14 +0300 | [diff] [blame] | 1046 | set_bit(wil_status_resetting, wil->status); |
| 1047 | |
Vladimir Kondratiev | f772ebf | 2014-09-10 16:34:35 +0300 | [diff] [blame] | 1048 | if (wil->platform_ops.bus_request) |
| 1049 | wil->platform_ops.bus_request(wil->platform_handle, 0); |
| 1050 | |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 1051 | wil_disable_irq(wil); |
Vladimir Kondratiev | 9419b6a | 2014-12-23 09:47:14 +0200 | [diff] [blame] | 1052 | if (test_and_clear_bit(wil_status_napi_en, wil->status)) { |
Vladimir Kondratiev | 73d839a | 2014-09-10 16:34:50 +0300 | [diff] [blame] | 1053 | napi_disable(&wil->napi_rx); |
| 1054 | napi_disable(&wil->napi_tx); |
| 1055 | wil_dbg_misc(wil, "NAPI disable\n"); |
| 1056 | } |
| 1057 | wil_enable_irq(wil); |
Vladimir Kondratiev | e0287c4 | 2013-05-12 14:43:36 +0300 | [diff] [blame] | 1058 | |
Maya Erez | d35c2b6 | 2016-08-18 16:52:14 +0300 | [diff] [blame] | 1059 | wil_p2p_stop_radio_operations(wil); |
Dedy Lansky | e6d6834 | 2016-03-01 19:18:12 +0200 | [diff] [blame] | 1060 | |
Lior David | 5ffae43 | 2016-08-22 12:42:19 +0300 | [diff] [blame] | 1061 | mutex_lock(&wil->p2p_wdev_mutex); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1062 | if (wil->scan_request) { |
Avraham Stern | 1d76250 | 2016-07-05 17:10:13 +0300 | [diff] [blame] | 1063 | struct cfg80211_scan_info info = { |
| 1064 | .aborted = true, |
| 1065 | }; |
| 1066 | |
Vladimir Kondratiev | 2a91d7d | 2014-06-16 19:37:11 +0300 | [diff] [blame] | 1067 | wil_dbg_misc(wil, "Abort scan_request 0x%p\n", |
| 1068 | wil->scan_request); |
Vladimir Kondratiev | 047e5d7 | 2014-05-27 14:45:48 +0300 | [diff] [blame] | 1069 | del_timer_sync(&wil->scan_timer); |
Avraham Stern | 1d76250 | 2016-07-05 17:10:13 +0300 | [diff] [blame] | 1070 | cfg80211_scan_done(wil->scan_request, &info); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1071 | wil->scan_request = NULL; |
| 1072 | } |
Lior David | 5ffae43 | 2016-08-22 12:42:19 +0300 | [diff] [blame] | 1073 | mutex_unlock(&wil->p2p_wdev_mutex); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1074 | |
Vladimir Kondratiev | 2cd0f02 | 2015-02-15 14:02:30 +0200 | [diff] [blame] | 1075 | wil_reset(wil, false); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1076 | |
| 1077 | return 0; |
| 1078 | } |
| 1079 | |
| 1080 | int wil_down(struct wil6210_priv *wil) |
| 1081 | { |
| 1082 | int rc; |
| 1083 | |
Vladimir Kondratiev | 9cf10d6 | 2014-09-10 16:34:36 +0300 | [diff] [blame] | 1084 | wil_dbg_misc(wil, "%s()\n", __func__); |
| 1085 | |
Vladimir Kondratiev | c33407a | 2014-10-01 15:05:24 +0300 | [diff] [blame] | 1086 | wil_set_recovery_state(wil, fw_recovery_idle); |
Vladimir Kondratiev | 2be7d22 | 2012-12-20 13:13:19 -0800 | [diff] [blame] | 1087 | mutex_lock(&wil->mutex); |
| 1088 | rc = __wil_down(wil); |
| 1089 | mutex_unlock(&wil->mutex); |
| 1090 | |
| 1091 | return rc; |
| 1092 | } |
Vladimir Kondratiev | 3df2cd36 | 2014-02-27 16:20:43 +0200 | [diff] [blame] | 1093 | |
| 1094 | int wil_find_cid(struct wil6210_priv *wil, const u8 *mac) |
| 1095 | { |
| 1096 | int i; |
| 1097 | int rc = -ENOENT; |
| 1098 | |
| 1099 | for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { |
| 1100 | if ((wil->sta[i].status != wil_sta_unused) && |
Vladimir Kondratiev | 108d1eb | 2014-02-27 16:20:53 +0200 | [diff] [blame] | 1101 | ether_addr_equal(wil->sta[i].addr, mac)) { |
Vladimir Kondratiev | 3df2cd36 | 2014-02-27 16:20:43 +0200 | [diff] [blame] | 1102 | rc = i; |
| 1103 | break; |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | return rc; |
| 1108 | } |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1109 | |
| 1110 | void wil_halp_vote(struct wil6210_priv *wil) |
| 1111 | { |
| 1112 | unsigned long rc; |
| 1113 | unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS); |
| 1114 | |
| 1115 | mutex_lock(&wil->halp.lock); |
| 1116 | |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1117 | wil_dbg_irq(wil, "%s: start, HALP ref_cnt (%d)\n", __func__, |
| 1118 | wil->halp.ref_cnt); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1119 | |
| 1120 | if (++wil->halp.ref_cnt == 1) { |
| 1121 | wil6210_set_halp(wil); |
| 1122 | rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies); |
Maya Erez | f1b7764 | 2016-08-18 16:52:12 +0300 | [diff] [blame] | 1123 | if (!rc) { |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1124 | wil_err(wil, "%s: HALP vote timed out\n", __func__); |
Maya Erez | f1b7764 | 2016-08-18 16:52:12 +0300 | [diff] [blame] | 1125 | /* Mask HALP as done in case the interrupt is raised */ |
| 1126 | wil6210_mask_halp(wil); |
| 1127 | } else { |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1128 | wil_dbg_irq(wil, |
| 1129 | "%s: HALP vote completed after %d ms\n", |
| 1130 | __func__, |
| 1131 | jiffies_to_msecs(to_jiffies - rc)); |
Maya Erez | f1b7764 | 2016-08-18 16:52:12 +0300 | [diff] [blame] | 1132 | } |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1133 | } |
| 1134 | |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1135 | wil_dbg_irq(wil, "%s: end, HALP ref_cnt (%d)\n", __func__, |
| 1136 | wil->halp.ref_cnt); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1137 | |
| 1138 | mutex_unlock(&wil->halp.lock); |
| 1139 | } |
| 1140 | |
| 1141 | void wil_halp_unvote(struct wil6210_priv *wil) |
| 1142 | { |
| 1143 | WARN_ON(wil->halp.ref_cnt == 0); |
| 1144 | |
| 1145 | mutex_lock(&wil->halp.lock); |
| 1146 | |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1147 | wil_dbg_irq(wil, "%s: start, HALP ref_cnt (%d)\n", __func__, |
| 1148 | wil->halp.ref_cnt); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1149 | |
| 1150 | if (--wil->halp.ref_cnt == 0) { |
| 1151 | wil6210_clear_halp(wil); |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1152 | wil_dbg_irq(wil, "%s: HALP unvote\n", __func__); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1153 | } |
| 1154 | |
Lior David | ef86f24 | 2016-08-18 16:52:13 +0300 | [diff] [blame] | 1155 | wil_dbg_irq(wil, "%s: end, HALP ref_cnt (%d)\n", __func__, |
| 1156 | wil->halp.ref_cnt); |
Maya Erez | 349214c | 2016-04-26 14:41:41 +0300 | [diff] [blame] | 1157 | |
| 1158 | mutex_unlock(&wil->halp.lock); |
| 1159 | } |