drivers/net/wireless/ath/wil6210/cfg80211.c

   1 // SPDX-License-Identifier: ISC
   2 /*
   3  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
   4  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
   5  */
   6
   7 #include <linux/etherdevice.h>
   8 #include <linux/moduleparam.h>
   9 #include <net/netlink.h>
  10 #include <net/cfg80211.h>
  11 #include "wil6210.h"
  12 #include "wmi.h"
  13 #include "fw.h"
  14
  15 #define WIL_MAX_ROC_DURATION_MS 5000
  16
  17 #define WIL_EDMG_CHANNEL_9_SUBCHANNELS  (BIT(0) | BIT(1))
  18 #define WIL_EDMG_CHANNEL_10_SUBCHANNELS (BIT(1) | BIT(2))
  19 #define WIL_EDMG_CHANNEL_11_SUBCHANNELS (BIT(2) | BIT(3))
  20
  21 /* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth
  22  * configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13.
  23  * The value 5 allowing CB1 and CB2 of adjacent channels.
  24  */
  25 #define WIL_EDMG_BW_CONFIGURATION 5
  26
  27 /* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that
  28  * are allowed to be used for EDMG transmissions in the BSS as defined by
  29  * IEEE 802.11 section 9.4.2.251.
  30  */
  31 #define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3))
  32
  33 bool disable_ap_sme;
  34 module_param(disable_ap_sme, bool, 0444);
  35 MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
  36
  37 #ifdef CONFIG_PM
  38 static struct wiphy_wowlan_support wil_wowlan_support = {
  39         .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
  40 };
  41 #endif
  42
  43 #define CHAN60G(_channel, _flags) {                             \
  44         .band                   = NL80211_BAND_60GHZ,           \
  45         .center_freq            = 56160 + (2160 * (_channel)),  \
  46         .hw_value               = (_channel),                   \
  47         .flags                  = (_flags),                     \
  48         .max_antenna_gain       = 0,                            \
  49         .max_power              = 40,                           \
  50 }
  51
  52 static struct ieee80211_channel wil_60ghz_channels[] = {
  53         CHAN60G(1, 0),
  54         CHAN60G(2, 0),
  55         CHAN60G(3, 0),
  56         CHAN60G(4, 0),
  57 };
  58
  59 /* Rx channel bonding mode */
  60 enum wil_rx_cb_mode {
  61         WIL_RX_CB_MODE_DMG,
  62         WIL_RX_CB_MODE_EDMG,
  63         WIL_RX_CB_MODE_WIDE,
  64 };
  65
  66 static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
  67 {
  68         switch (cb_mode) {
  69         case WIL_RX_CB_MODE_DMG:
  70         case WIL_RX_CB_MODE_EDMG:
  71                 return 1;
  72         case WIL_RX_CB_MODE_WIDE:
  73                 return 2;
  74         default:
  75                 return 1;
  76         }
  77 }
  78
  79 static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
  80 {
  81         switch (cb_mode) {
  82         case WMI_TX_MODE_DMG:
  83         case WMI_TX_MODE_EDMG_CB1:
  84                 return 1;
  85         case WMI_TX_MODE_EDMG_CB2:
  86                 return 2;
  87         default:
  88                 return 1;
  89         }
  90 }
  91
  92 static void
  93 wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
  94 {
  95         kfree(*pdst);
  96         *pdst = NULL;
  97         *pdst_len = 0;
  98         if (src_len > 0) {
  99                 *pdst = kmemdup(src, src_len, GFP_KERNEL);
 100                 if (*pdst)
 101                         *pdst_len = src_len;
 102         }
 103 }
 104
 105 static int wil_num_supported_channels(struct wil6210_priv *wil)
 106 {
 107         int num_channels = ARRAY_SIZE(wil_60ghz_channels);
 108
 109         if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
 110                 num_channels--;
 111
 112         return num_channels;
 113 }
 114
 115 void update_supported_bands(struct wil6210_priv *wil)
 116 {
 117         struct wiphy *wiphy = wil_to_wiphy(wil);
 118
 119         wil_dbg_misc(wil, "update supported bands");
 120
 121         wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
 122                                                 wil_num_supported_channels(wil);
 123
 124         if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) {
 125                 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels =
 126                                                         WIL_EDMG_CHANNELS;
 127                 wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config =
 128                                                       WIL_EDMG_BW_CONFIGURATION;
 129         }
 130 }
 131
 132 /* Vendor id to be used in vendor specific command and events
 133  * to user space.
 134  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
 135  * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
 136  * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
 137  * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
 138  */
 139
 140 #define QCA_NL80211_VENDOR_ID   0x001374
 141
 142 #define WIL_MAX_RF_SECTORS (128)
 143 #define WIL_CID_ALL (0xff)
 144
 145 enum qca_wlan_vendor_attr_rf_sector {
 146         QCA_ATTR_MAC_ADDR = 6,
 147         QCA_ATTR_PAD = 13,
 148         QCA_ATTR_TSF = 29,
 149         QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
 150         QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
 151         QCA_ATTR_DMG_RF_MODULE_MASK = 32,
 152         QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
 153         QCA_ATTR_DMG_RF_SECTOR_MAX,
 154 };
 155
 156 enum qca_wlan_vendor_attr_dmg_rf_sector_type {
 157         QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
 158         QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
 159         QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
 160 };
 161
 162 enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
 163         QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
 164         QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
 165         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
 166         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
 167         QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
 168         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
 169         QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
 170         QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
 171
 172         /* keep last */
 173         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
 174         QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
 175         QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
 176 };
 177
 178 static const struct
 179 nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
 180         [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
 181         [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
 182         [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
 183         [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
 184         [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
 185 };
 186
 187 static const struct
 188 nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
 189         [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
 190         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
 191         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
 192         [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
 193         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
 194         [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
 195         [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
 196 };
 197
 198 enum qca_nl80211_vendor_subcmds {
 199         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
 200         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
 201         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
 202         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
 203 };
 204
 205 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
 206                                  struct wireless_dev *wdev,
 207                                  const void *data, int data_len);
 208 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
 209                                  struct wireless_dev *wdev,
 210                                  const void *data, int data_len);
 211 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
 212                                       struct wireless_dev *wdev,
 213                                       const void *data, int data_len);
 214 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
 215                                       struct wireless_dev *wdev,
 216                                       const void *data, int data_len);
 217
 218 /* vendor specific commands */
 219 static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
 220         {
 221                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
 222                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
 223                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
 224                          WIPHY_VENDOR_CMD_NEED_RUNNING,
 225                 .policy = wil_rf_sector_policy,
 226                 .doit = wil_rf_sector_get_cfg
 227         },
 228         {
 229                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
 230                 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
 231                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
 232                          WIPHY_VENDOR_CMD_NEED_RUNNING,
 233                 .policy = wil_rf_sector_policy,
 234                 .doit = wil_rf_sector_set_cfg
 235         },
 236         {
 237                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
 238                 .info.subcmd =
 239                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
 240                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
 241                          WIPHY_VENDOR_CMD_NEED_RUNNING,
 242                 .policy = wil_rf_sector_policy,
 243                 .doit = wil_rf_sector_get_selected
 244         },
 245         {
 246                 .info.vendor_id = QCA_NL80211_VENDOR_ID,
 247                 .info.subcmd =
 248                         QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
 249                 .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
 250                          WIPHY_VENDOR_CMD_NEED_RUNNING,
 251                 .policy = wil_rf_sector_policy,
 252                 .doit = wil_rf_sector_set_selected
 253         },
 254 };
 255
 256 static struct ieee80211_supported_band wil_band_60ghz = {
 257         .channels = wil_60ghz_channels,
 258         .n_channels = ARRAY_SIZE(wil_60ghz_channels),
 259         .ht_cap = {
 260                 .ht_supported = true,
 261                 .cap = 0, /* TODO */
 262                 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
 263                 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
 264                 .mcs = {
 265                                 /* MCS 1..12 - SC PHY */
 266                         .rx_mask = {0xfe, 0x1f}, /* 1..12 */
 267                         .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
 268                 },
 269         },
 270 };
 271
 272 static const struct ieee80211_txrx_stypes
 273 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
 274         [NL80211_IFTYPE_STATION] = {
 275                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 276                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
 277                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 278                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 279         },
 280         [NL80211_IFTYPE_AP] = {
 281                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 282                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
 283                 BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
 284                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
 285                 BIT(IEEE80211_STYPE_AUTH >> 4) |
 286                 BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
 287                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 288                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
 289                 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
 290                 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
 291                 BIT(IEEE80211_STYPE_AUTH >> 4) |
 292                 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
 293                 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
 294         },
 295         [NL80211_IFTYPE_P2P_CLIENT] = {
 296                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 297                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
 298                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 299                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 300         },
 301         [NL80211_IFTYPE_P2P_GO] = {
 302                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 303                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
 304                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 305                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 306         },
 307         [NL80211_IFTYPE_P2P_DEVICE] = {
 308                 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 309                 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
 310                 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
 311                 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
 312         },
 313 };
 314
 315 static const u32 wil_cipher_suites[] = {
 316         WLAN_CIPHER_SUITE_GCMP,
 317 };
 318
 319 static const char * const key_usage_str[] = {
 320         [WMI_KEY_USE_PAIRWISE]  = "PTK",
 321         [WMI_KEY_USE_RX_GROUP]  = "RX_GTK",
 322         [WMI_KEY_USE_TX_GROUP]  = "TX_GTK",
 323         [WMI_KEY_USE_STORE_PTK] = "STORE_PTK",
 324         [WMI_KEY_USE_APPLY_PTK] = "APPLY_PTK",
 325 };
 326
 327 int wil_iftype_nl2wmi(enum nl80211_iftype type)
 328 {
 329         static const struct {
 330                 enum nl80211_iftype nl;
 331                 enum wmi_network_type wmi;
 332         } __nl2wmi[] = {
 333                 {NL80211_IFTYPE_ADHOC,          WMI_NETTYPE_ADHOC},
 334                 {NL80211_IFTYPE_STATION,        WMI_NETTYPE_INFRA},
 335                 {NL80211_IFTYPE_AP,             WMI_NETTYPE_AP},
 336                 {NL80211_IFTYPE_P2P_CLIENT,     WMI_NETTYPE_P2P},
 337                 {NL80211_IFTYPE_P2P_GO,         WMI_NETTYPE_P2P},
 338                 {NL80211_IFTYPE_MONITOR,        WMI_NETTYPE_ADHOC}, /* FIXME */
 339         };
 340         uint i;
 341
 342         for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
 343                 if (__nl2wmi[i].nl == type)
 344                         return __nl2wmi[i].wmi;
 345         }
 346
 347         return -EOPNOTSUPP;
 348 }
 349
 350 int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch)
 351 {
 352         switch (spec_ch) {
 353         case 1:
 354                 *wmi_ch = WMI_CHANNEL_1;
 355                 break;
 356         case 2:
 357                 *wmi_ch = WMI_CHANNEL_2;
 358                 break;
 359         case 3:
 360                 *wmi_ch = WMI_CHANNEL_3;
 361                 break;
 362         case 4:
 363                 *wmi_ch = WMI_CHANNEL_4;
 364                 break;
 365         case 5:
 366                 *wmi_ch = WMI_CHANNEL_5;
 367                 break;
 368         case 6:
 369                 *wmi_ch = WMI_CHANNEL_6;
 370                 break;
 371         case 9:
 372                 *wmi_ch = WMI_CHANNEL_9;
 373                 break;
 374         case 10:
 375                 *wmi_ch = WMI_CHANNEL_10;
 376                 break;
 377         case 11:
 378                 *wmi_ch = WMI_CHANNEL_11;
 379                 break;
 380         case 12:
 381                 *wmi_ch = WMI_CHANNEL_12;
 382                 break;
 383         default:
 384                 return -EINVAL;
 385         }
 386
 387         return 0;
 388 }
 389
 390 int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch)
 391 {
 392         switch (wmi_ch) {
 393         case WMI_CHANNEL_1:
 394                 *spec_ch = 1;
 395                 break;
 396         case WMI_CHANNEL_2:
 397                 *spec_ch = 2;
 398                 break;
 399         case WMI_CHANNEL_3:
 400                 *spec_ch = 3;
 401                 break;
 402         case WMI_CHANNEL_4:
 403                 *spec_ch = 4;
 404                 break;
 405         case WMI_CHANNEL_5:
 406                 *spec_ch = 5;
 407                 break;
 408         case WMI_CHANNEL_6:
 409                 *spec_ch = 6;
 410                 break;
 411         case WMI_CHANNEL_9:
 412                 *spec_ch = 9;
 413                 break;
 414         case WMI_CHANNEL_10:
 415                 *spec_ch = 10;
 416                 break;
 417         case WMI_CHANNEL_11:
 418                 *spec_ch = 11;
 419                 break;
 420         case WMI_CHANNEL_12:
 421                 *spec_ch = 12;
 422                 break;
 423         default:
 424                 return -EINVAL;
 425         }
 426
 427         return 0;
 428 }
 429
 430 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
 431                        struct station_info *sinfo)
 432 {
 433         struct wil6210_priv *wil = vif_to_wil(vif);
 434         struct wmi_notify_req_cmd cmd = {
 435                 .cid = cid,
 436                 .interval_usec = 0,
 437         };
 438         struct {
 439                 struct wmi_cmd_hdr wmi;
 440                 struct wmi_notify_req_done_event evt;
 441         } __packed reply;
 442         struct wil_net_stats *stats = &wil->sta[cid].stats;
 443         int rc;
 444         u8 tx_mcs, rx_mcs;
 445         u8 tx_rate_flag = RATE_INFO_FLAGS_DMG;
 446         u8 rx_rate_flag = RATE_INFO_FLAGS_DMG;
 447
 448         memset(&reply, 0, sizeof(reply));
 449
 450         rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd),
 451                       WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply),
 452                       WIL_WMI_CALL_GENERAL_TO_MS);
 453         if (rc)
 454                 return rc;
 455
 456         tx_mcs = le16_to_cpu(reply.evt.bf_mcs);
 457
 458         wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n"
 459                     "  MCS %s TSF 0x%016llx\n"
 460                     "  BF status 0x%08x RSSI %d SQI %d%%\n"
 461                     "  Tx Tpt %d goodput %d Rx goodput %d\n"
 462                     "  Sectors(rx:tx) my %d:%d peer %d:%d\n"
 463                     "  Tx mode %d}\n",
 464                     cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_mcs),
 465                     le64_to_cpu(reply.evt.tsf), reply.evt.status,
 466                     reply.evt.rssi,
 467                     reply.evt.sqi,
 468                     le32_to_cpu(reply.evt.tx_tpt),
 469                     le32_to_cpu(reply.evt.tx_goodput),
 470                     le32_to_cpu(reply.evt.rx_goodput),
 471                     le16_to_cpu(reply.evt.my_rx_sector),
 472                     le16_to_cpu(reply.evt.my_tx_sector),
 473                     le16_to_cpu(reply.evt.other_rx_sector),
 474                     le16_to_cpu(reply.evt.other_tx_sector),
 475                     reply.evt.tx_mode);
 476
 477         sinfo->generation = wil->sinfo_gen;
 478
 479         sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) |
 480                         BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
 481                         BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
 482                         BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
 483                         BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
 484                         BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
 485                         BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
 486                         BIT_ULL(NL80211_STA_INFO_TX_FAILED);
 487
 488         if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) {
 489                 tx_rate_flag = RATE_INFO_FLAGS_EDMG;
 490                 rx_rate_flag = RATE_INFO_FLAGS_EDMG;
 491         }
 492
 493         rx_mcs = stats->last_mcs_rx;
 494
 495         /* check extended MCS (12.1) and convert it into
 496          * base MCS (7) + EXTENDED_SC_DMG flag
 497          */
 498         if (tx_mcs == WIL_EXTENDED_MCS_26) {
 499                 tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
 500                 tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
 501         }
 502         if (rx_mcs == WIL_EXTENDED_MCS_26) {
 503                 rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG;
 504                 rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26;
 505         }
 506
 507         sinfo->txrate.flags = tx_rate_flag;
 508         sinfo->rxrate.flags = rx_rate_flag;
 509         sinfo->txrate.mcs = tx_mcs;
 510         sinfo->rxrate.mcs = rx_mcs;
 511
 512         sinfo->txrate.n_bonded_ch =
 513                                   wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
 514         sinfo->rxrate.n_bonded_ch =
 515                              wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
 516         sinfo->rx_bytes = stats->rx_bytes;
 517         sinfo->rx_packets = stats->rx_packets;
 518         sinfo->rx_dropped_misc = stats->rx_dropped;
 519         sinfo->tx_bytes = stats->tx_bytes;
 520         sinfo->tx_packets = stats->tx_packets;
 521         sinfo->tx_failed = stats->tx_errors;
 522
 523         if (test_bit(wil_vif_fwconnected, vif->status)) {
 524                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
 525                 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
 526                              wil->fw_capabilities))
 527                         sinfo->signal = reply.evt.rssi;
 528                 else
 529                         sinfo->signal = reply.evt.sqi;
 530         }
 531
 532         return rc;
 533 }
 534
 535 static int wil_cfg80211_get_station(struct wiphy *wiphy,
 536                                     struct net_device *ndev,
 537                                     const u8 *mac, struct station_info *sinfo)
 538 {
 539         struct wil6210_vif *vif = ndev_to_vif(ndev);
 540         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 541         int rc;
 542
 543         int cid = wil_find_cid(wil, vif->mid, mac);
 544
 545         wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
 546                      vif->mid);
 547         if (!wil_cid_valid(wil, cid))
 548                 return -ENOENT;
 549
 550         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
 551
 552         return rc;
 553 }
 554
 555 /*
 556  * Find @idx-th active STA for specific MID for station dump.
 557  */
 558 int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
 559 {
 560         int i;
 561
 562         for (i = 0; i < wil->max_assoc_sta; i++) {
 563                 if (wil->sta[i].status == wil_sta_unused)
 564                         continue;
 565                 if (wil->sta[i].mid != mid)
 566                         continue;
 567                 if (idx == 0)
 568                         return i;
 569                 idx--;
 570         }
 571
 572         return -ENOENT;
 573 }
 574
 575 static int wil_cfg80211_dump_station(struct wiphy *wiphy,
 576                                      struct net_device *dev, int idx,
 577                                      u8 *mac, struct station_info *sinfo)
 578 {
 579         struct wil6210_vif *vif = ndev_to_vif(dev);
 580         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 581         int rc;
 582         int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
 583
 584         if (!wil_cid_valid(wil, cid))
 585                 return -ENOENT;
 586
 587         ether_addr_copy(mac, wil->sta[cid].addr);
 588         wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
 589                      vif->mid);
 590
 591         rc = wil_cid_fill_sinfo(vif, cid, sinfo);
 592
 593         return rc;
 594 }
 595
 596 static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
 597                                          struct wireless_dev *wdev)
 598 {
 599         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 600
 601         wil_dbg_misc(wil, "start_p2p_device: entered\n");
 602         wil->p2p_dev_started = 1;
 603         return 0;
 604 }
 605
 606 static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
 607                                          struct wireless_dev *wdev)
 608 {
 609         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 610
 611         if (!wil->p2p_dev_started)
 612                 return;
 613
 614         wil_dbg_misc(wil, "stop_p2p_device: entered\n");
 615         mutex_lock(&wil->mutex);
 616         mutex_lock(&wil->vif_mutex);
 617         wil_p2p_stop_radio_operations(wil);
 618         wil->p2p_dev_started = 0;
 619         mutex_unlock(&wil->vif_mutex);
 620         mutex_unlock(&wil->mutex);
 621 }
 622
 623 static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
 624                                            enum nl80211_iftype new_type)
 625 {
 626         int i;
 627         struct wireless_dev *wdev;
 628         struct iface_combination_params params = {
 629                 .num_different_channels = 1,
 630         };
 631
 632         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
 633                 if (wil->vifs[i]) {
 634                         wdev = vif_to_wdev(wil->vifs[i]);
 635                         params.iftype_num[wdev->iftype]++;
 636                 }
 637         }
 638         params.iftype_num[new_type]++;
 639         return cfg80211_check_combinations(wil->wiphy, &params);
 640 }
 641
 642 static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
 643                                               struct wil6210_vif *vif,
 644                                               enum nl80211_iftype new_type)
 645 {
 646         int i, ret = 0;
 647         struct wireless_dev *wdev;
 648         struct iface_combination_params params = {
 649                 .num_different_channels = 1,
 650         };
 651         bool check_combos = false;
 652
 653         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
 654                 struct wil6210_vif *vif_pos = wil->vifs[i];
 655
 656                 if (vif_pos && vif != vif_pos) {
 657                         wdev = vif_to_wdev(vif_pos);
 658                         params.iftype_num[wdev->iftype]++;
 659                         check_combos = true;
 660                 }
 661         }
 662
 663         if (check_combos) {
 664                 params.iftype_num[new_type]++;
 665                 ret = cfg80211_check_combinations(wil->wiphy, &params);
 666         }
 667         return ret;
 668 }
 669
 670 static struct wireless_dev *
 671 wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
 672                        unsigned char name_assign_type,
 673                        enum nl80211_iftype type,
 674                        struct vif_params *params)
 675 {
 676         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 677         struct net_device *ndev_main = wil->main_ndev, *ndev;
 678         struct wil6210_vif *vif;
 679         struct wireless_dev *p2p_wdev, *wdev;
 680         int rc;
 681
 682         wil_dbg_misc(wil, "add_iface, type %d\n", type);
 683
 684         /* P2P device is not a real virtual interface, it is a management-only
 685          * interface that shares the main interface.
 686          * Skip concurrency checks here.
 687          */
 688         if (type == NL80211_IFTYPE_P2P_DEVICE) {
 689                 if (wil->p2p_wdev) {
 690                         wil_err(wil, "P2P_DEVICE interface already created\n");
 691                         return ERR_PTR(-EINVAL);
 692                 }
 693
 694                 p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
 695                 if (!p2p_wdev)
 696                         return ERR_PTR(-ENOMEM);
 697
 698                 p2p_wdev->iftype = type;
 699                 p2p_wdev->wiphy = wiphy;
 700                 /* use our primary ethernet address */
 701                 ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
 702
 703                 wil->p2p_wdev = p2p_wdev;
 704
 705                 return p2p_wdev;
 706         }
 707
 708         if (!wil->wiphy->n_iface_combinations) {
 709                 wil_err(wil, "virtual interfaces not supported\n");
 710                 return ERR_PTR(-EINVAL);
 711         }
 712
 713         rc = wil_cfg80211_validate_add_iface(wil, type);
 714         if (rc) {
 715                 wil_err(wil, "iface validation failed, err=%d\n", rc);
 716                 return ERR_PTR(rc);
 717         }
 718
 719         vif = wil_vif_alloc(wil, name, name_assign_type, type);
 720         if (IS_ERR(vif))
 721                 return ERR_CAST(vif);
 722
 723         ndev = vif_to_ndev(vif);
 724         ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
 725         if (is_valid_ether_addr(params->macaddr)) {
 726                 eth_hw_addr_set(ndev, params->macaddr);
 727         } else {
 728                 u8 addr[ETH_ALEN];
 729
 730                 ether_addr_copy(addr, ndev_main->perm_addr);
 731                 addr[0] = (addr[0] ^ (1 << vif->mid)) | 0x2; /* locally administered */
 732                 eth_hw_addr_set(ndev, addr);
 733         }
 734         wdev = vif_to_wdev(vif);
 735         ether_addr_copy(wdev->address, ndev->dev_addr);
 736
 737         rc = wil_vif_add(wil, vif);
 738         if (rc)
 739                 goto out;
 740
 741         wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
 742                  vif->mid, type, wdev->address);
 743         return wdev;
 744 out:
 745         wil_vif_free(vif);
 746         return ERR_PTR(rc);
 747 }
 748
 749 int wil_vif_prepare_stop(struct wil6210_vif *vif)
 750 {
 751         struct wil6210_priv *wil = vif_to_wil(vif);
 752         struct wireless_dev *wdev = vif_to_wdev(vif);
 753         struct net_device *ndev;
 754         int rc;
 755
 756         if (wdev->iftype != NL80211_IFTYPE_AP)
 757                 return 0;
 758
 759         ndev = vif_to_ndev(vif);
 760         if (netif_carrier_ok(ndev)) {
 761                 rc = wmi_pcp_stop(vif);
 762                 if (rc) {
 763                         wil_info(wil, "failed to stop AP, status %d\n",
 764                                  rc);
 765                         /* continue */
 766                 }
 767                 wil_bcast_fini(vif);
 768                 netif_carrier_off(ndev);
 769         }
 770
 771         return 0;
 772 }
 773
 774 static int wil_cfg80211_del_iface(struct wiphy *wiphy,
 775                                   struct wireless_dev *wdev)
 776 {
 777         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 778         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
 779         int rc;
 780
 781         wil_dbg_misc(wil, "del_iface\n");
 782
 783         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
 784                 if (wdev != wil->p2p_wdev) {
 785                         wil_err(wil, "delete of incorrect interface 0x%p\n",
 786                                 wdev);
 787                         return -EINVAL;
 788                 }
 789
 790                 wil_cfg80211_stop_p2p_device(wiphy, wdev);
 791                 wil_p2p_wdev_free(wil);
 792                 return 0;
 793         }
 794
 795         if (vif->mid == 0) {
 796                 wil_err(wil, "cannot remove the main interface\n");
 797                 return -EINVAL;
 798         }
 799
 800         rc = wil_vif_prepare_stop(vif);
 801         if (rc)
 802                 goto out;
 803
 804         wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
 805                  vif->mid, wdev->iftype, wdev->address);
 806
 807         wil_vif_remove(wil, vif->mid);
 808 out:
 809         return rc;
 810 }
 811
 812 static bool wil_is_safe_switch(enum nl80211_iftype from,
 813                                enum nl80211_iftype to)
 814 {
 815         if (from == NL80211_IFTYPE_STATION &&
 816             to == NL80211_IFTYPE_P2P_CLIENT)
 817                 return true;
 818
 819         return false;
 820 }
 821
 822 static int wil_cfg80211_change_iface(struct wiphy *wiphy,
 823                                      struct net_device *ndev,
 824                                      enum nl80211_iftype type,
 825                                      struct vif_params *params)
 826 {
 827         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 828         struct wil6210_vif *vif = ndev_to_vif(ndev);
 829         struct wireless_dev *wdev = vif_to_wdev(vif);
 830         int rc;
 831         bool fw_reset = false;
 832
 833         wil_dbg_misc(wil, "change_iface: type=%d\n", type);
 834
 835         if (wiphy->n_iface_combinations) {
 836                 rc = wil_cfg80211_validate_change_iface(wil, vif, type);
 837                 if (rc) {
 838                         wil_err(wil, "iface validation failed, err=%d\n", rc);
 839                         return rc;
 840                 }
 841         }
 842
 843         /* do not reset FW when there are active VIFs,
 844          * because it can cause significant disruption
 845          */
 846         if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
 847             netif_running(ndev) && !wil_is_recovery_blocked(wil) &&
 848             !wil_is_safe_switch(wdev->iftype, type)) {
 849                 wil_dbg_misc(wil, "interface is up. resetting...\n");
 850                 mutex_lock(&wil->mutex);
 851                 __wil_down(wil);
 852                 rc = __wil_up(wil);
 853                 mutex_unlock(&wil->mutex);
 854
 855                 if (rc)
 856                         return rc;
 857                 fw_reset = true;
 858         }
 859
 860         switch (type) {
 861         case NL80211_IFTYPE_STATION:
 862         case NL80211_IFTYPE_AP:
 863         case NL80211_IFTYPE_P2P_CLIENT:
 864         case NL80211_IFTYPE_P2P_GO:
 865                 break;
 866         case NL80211_IFTYPE_MONITOR:
 867                 if (params->flags)
 868                         wil->monitor_flags = params->flags;
 869                 break;
 870         default:
 871                 return -EOPNOTSUPP;
 872         }
 873
 874         if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
 875                 if (!fw_reset)
 876                         wil_vif_prepare_stop(vif);
 877                 rc = wmi_port_delete(wil, vif->mid);
 878                 if (rc)
 879                         return rc;
 880                 rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
 881                 if (rc)
 882                         return rc;
 883         }
 884
 885         wdev->iftype = type;
 886         return 0;
 887 }
 888
 889 static int wil_cfg80211_scan(struct wiphy *wiphy,
 890                              struct cfg80211_scan_request *request)
 891 {
 892         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
 893         struct wireless_dev *wdev = request->wdev;
 894         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
 895         DEFINE_FLEX(struct wmi_start_scan_cmd, cmd,
 896                     channel_list, num_channels, 4);
 897         uint i, n;
 898         int rc;
 899
 900         wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
 901
 902         /* scan is supported on client interfaces and on AP interface */
 903         switch (wdev->iftype) {
 904         case NL80211_IFTYPE_STATION:
 905         case NL80211_IFTYPE_P2P_CLIENT:
 906         case NL80211_IFTYPE_P2P_DEVICE:
 907         case NL80211_IFTYPE_AP:
 908                 break;
 909         default:
 910                 return -EOPNOTSUPP;
 911         }
 912
 913         /* FW don't support scan after connection attempt */
 914         if (test_bit(wil_status_dontscan, wil->status)) {
 915                 wil_err(wil, "Can't scan now\n");
 916                 return -EBUSY;
 917         }
 918
 919         mutex_lock(&wil->mutex);
 920
 921         mutex_lock(&wil->vif_mutex);
 922         if (vif->scan_request || vif->p2p.discovery_started) {
 923                 wil_err(wil, "Already scanning\n");
 924                 mutex_unlock(&wil->vif_mutex);
 925                 rc = -EAGAIN;
 926                 goto out;
 927         }
 928         mutex_unlock(&wil->vif_mutex);
 929
 930         if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
 931                 if (!wil->p2p_dev_started) {
 932                         wil_err(wil, "P2P search requested on stopped P2P device\n");
 933                         rc = -EIO;
 934                         goto out;
 935                 }
 936                 /* social scan on P2P_DEVICE is handled as p2p search */
 937                 if (wil_p2p_is_social_scan(request)) {
 938                         vif->scan_request = request;
 939                         if (vif->mid == 0)
 940                                 wil->radio_wdev = wdev;
 941                         rc = wil_p2p_search(vif, request);
 942                         if (rc) {
 943                                 if (vif->mid == 0)
 944                                         wil->radio_wdev =
 945                                                 wil->main_ndev->ieee80211_ptr;
 946                                 vif->scan_request = NULL;
 947                         }
 948                         goto out;
 949                 }
 950         }
 951
 952         (void)wil_p2p_stop_discovery(vif);
 953
 954         wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
 955         wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
 956
 957         for (i = 0; i < request->n_ssids; i++) {
 958                 wil_dbg_misc(wil, "SSID[%d]", i);
 959                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
 960                                   request->ssids[i].ssid,
 961                                   request->ssids[i].ssid_len, true);
 962         }
 963
 964         if (request->n_ssids)
 965                 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
 966                                   request->ssids[0].ssid);
 967         else
 968                 rc = wmi_set_ssid(vif, 0, NULL);
 969
 970         if (rc) {
 971                 wil_err(wil, "set SSID for scan request failed: %d\n", rc);
 972                 goto out;
 973         }
 974
 975         vif->scan_request = request;
 976         mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO);
 977
 978         cmd->scan_type = WMI_ACTIVE_SCAN;
 979         cmd->num_channels = 0;
 980         n = min(request->n_channels, 4U);
 981         for (i = 0; i < n; i++) {
 982                 int ch = request->channels[i]->hw_value;
 983
 984                 if (ch == 0) {
 985                         wil_err(wil,
 986                                 "Scan requested for unknown frequency %dMhz\n",
 987                                 request->channels[i]->center_freq);
 988                         continue;
 989                 }
 990                 /* 0-based channel indexes */
 991                 cmd->num_channels++;
 992                 cmd->channel_list[cmd->num_channels - 1].channel = ch - 1;
 993                 wil_dbg_misc(wil, "Scan for ch %d  : %d MHz\n", ch,
 994                              request->channels[i]->center_freq);
 995         }
 996
 997         if (request->ie_len)
 998                 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
 999                                   request->ie, request->ie_len, true);
1000         else
1001                 wil_dbg_misc(wil, "Scan has no IE's\n");
1002
1003         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
1004                         request->ie_len, request->ie);
1005         if (rc)
1006                 goto out_restore;
1007
1008         if (wil->discovery_mode && cmd->scan_type == WMI_ACTIVE_SCAN) {
1009                 cmd->discovery_mode = 1;
1010                 wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
1011         }
1012
1013         if (vif->mid == 0)
1014                 wil->radio_wdev = wdev;
1015         rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
1016                       cmd, struct_size(cmd, channel_list, cmd->num_channels));
1017
1018 out_restore:
1019         if (rc) {
1020                 del_timer_sync(&vif->scan_timer);
1021                 if (vif->mid == 0)
1022                         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
1023                 vif->scan_request = NULL;
1024         }
1025 out:
1026         mutex_unlock(&wil->mutex);
1027         return rc;
1028 }
1029
1030 static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
1031                                     struct wireless_dev *wdev)
1032 {
1033         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1034         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1035
1036         wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
1037
1038         mutex_lock(&wil->mutex);
1039         mutex_lock(&wil->vif_mutex);
1040
1041         if (!vif->scan_request)
1042                 goto out;
1043
1044         if (wdev != vif->scan_request->wdev) {
1045                 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
1046                 goto out;
1047         }
1048
1049         if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
1050                 wil_p2p_stop_radio_operations(wil);
1051         else
1052                 wil_abort_scan(vif, true);
1053
1054 out:
1055         mutex_unlock(&wil->vif_mutex);
1056         mutex_unlock(&wil->mutex);
1057 }
1058
1059 static void wil_print_crypto(struct wil6210_priv *wil,
1060                              struct cfg80211_crypto_settings *c)
1061 {
1062         int i, n;
1063
1064         wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
1065                      c->wpa_versions, c->cipher_group);
1066         wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
1067         n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
1068         for (i = 0; i < n; i++)
1069                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1070                              c->ciphers_pairwise[i]);
1071         wil_dbg_misc(wil, "}\n");
1072         wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
1073         n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
1074         for (i = 0; i < n; i++)
1075                 wil_dbg_misc(wil, "  [%d] = 0x%08x\n", i,
1076                              c->akm_suites[i]);
1077         wil_dbg_misc(wil, "}\n");
1078         wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
1079                      c->control_port, be16_to_cpu(c->control_port_ethertype),
1080                      c->control_port_no_encrypt);
1081 }
1082
1083 static const char *
1084 wil_get_auth_type_name(enum nl80211_auth_type auth_type)
1085 {
1086         switch (auth_type) {
1087         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1088                 return "OPEN_SYSTEM";
1089         case NL80211_AUTHTYPE_SHARED_KEY:
1090                 return "SHARED_KEY";
1091         case NL80211_AUTHTYPE_FT:
1092                 return "FT";
1093         case NL80211_AUTHTYPE_NETWORK_EAP:
1094                 return "NETWORK_EAP";
1095         case NL80211_AUTHTYPE_SAE:
1096                 return "SAE";
1097         case NL80211_AUTHTYPE_AUTOMATIC:
1098                 return "AUTOMATIC";
1099         default:
1100                 return "unknown";
1101         }
1102 }
1103 static void wil_print_connect_params(struct wil6210_priv *wil,
1104                                      struct cfg80211_connect_params *sme)
1105 {
1106         wil_info(wil, "Connecting to:\n");
1107         if (sme->channel) {
1108                 wil_info(wil, "  Channel: %d freq %d\n",
1109                          sme->channel->hw_value, sme->channel->center_freq);
1110         }
1111         if (sme->bssid)
1112                 wil_info(wil, "  BSSID: %pM\n", sme->bssid);
1113         if (sme->ssid)
1114                 print_hex_dump(KERN_INFO, "  SSID: ", DUMP_PREFIX_OFFSET,
1115                                16, 1, sme->ssid, sme->ssid_len, true);
1116         if (sme->prev_bssid)
1117                 wil_info(wil, "  Previous BSSID=%pM\n", sme->prev_bssid);
1118         wil_info(wil, "  Auth Type: %s\n",
1119                  wil_get_auth_type_name(sme->auth_type));
1120         wil_info(wil, "  Privacy: %s\n", sme->privacy ? "secure" : "open");
1121         wil_info(wil, "  PBSS: %d\n", sme->pbss);
1122         wil_print_crypto(wil, &sme->crypto);
1123 }
1124
1125 static int wil_ft_connect(struct wiphy *wiphy,
1126                           struct net_device *ndev,
1127                           struct cfg80211_connect_params *sme)
1128 {
1129         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1130         struct wil6210_vif *vif = ndev_to_vif(ndev);
1131         struct wmi_ft_auth_cmd auth_cmd;
1132         int rc;
1133
1134         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
1135                 wil_err(wil, "FT: FW does not support FT roaming\n");
1136                 return -EOPNOTSUPP;
1137         }
1138
1139         if (!sme->prev_bssid) {
1140                 wil_err(wil, "FT: prev_bssid was not set\n");
1141                 return -EINVAL;
1142         }
1143
1144         if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
1145                 wil_err(wil, "FT: can not roam to same AP\n");
1146                 return -EINVAL;
1147         }
1148
1149         if (!test_bit(wil_vif_fwconnected, vif->status)) {
1150                 wil_err(wil, "FT: roam while not connected\n");
1151                 return -EINVAL;
1152         }
1153
1154         if (vif->privacy != sme->privacy) {
1155                 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
1156                         vif->privacy, sme->privacy);
1157                 return -EINVAL;
1158         }
1159
1160         if (sme->pbss) {
1161                 wil_err(wil, "FT: roam is not valid for PBSS\n");
1162                 return -EINVAL;
1163         }
1164
1165         memset(&auth_cmd, 0, sizeof(auth_cmd));
1166         auth_cmd.channel = sme->channel->hw_value - 1;
1167         ether_addr_copy(auth_cmd.bssid, sme->bssid);
1168
1169         wil_info(wil, "FT: roaming\n");
1170
1171         set_bit(wil_vif_ft_roam, vif->status);
1172         rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
1173                       &auth_cmd, sizeof(auth_cmd));
1174         if (rc == 0)
1175                 mod_timer(&vif->connect_timer,
1176                           jiffies + msecs_to_jiffies(5000));
1177         else
1178                 clear_bit(wil_vif_ft_roam, vif->status);
1179
1180         return rc;
1181 }
1182
1183 static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config,
1184                                     u8 edmg_channels, u8 *wmi_ch)
1185 {
1186         if (!edmg_bw_config) {
1187                 *wmi_ch = 0;
1188                 return 0;
1189         } else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) {
1190                 /* convert from edmg channel bitmap into edmg channel number */
1191                 switch (edmg_channels) {
1192                 case WIL_EDMG_CHANNEL_9_SUBCHANNELS:
1193                         return wil_spec2wmi_ch(9, wmi_ch);
1194                 case WIL_EDMG_CHANNEL_10_SUBCHANNELS:
1195                         return wil_spec2wmi_ch(10, wmi_ch);
1196                 case WIL_EDMG_CHANNEL_11_SUBCHANNELS:
1197                         return wil_spec2wmi_ch(11, wmi_ch);
1198                 default:
1199                         wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n",
1200                                 edmg_channels);
1201                         return -EINVAL;
1202                 }
1203         } else {
1204                 wil_err(wil, "Unsupported EDMG BW configuration %d\n",
1205                         edmg_bw_config);
1206                 return -EINVAL;
1207         }
1208 }
1209
1210 static int wil_cfg80211_connect(struct wiphy *wiphy,
1211                                 struct net_device *ndev,
1212                                 struct cfg80211_connect_params *sme)
1213 {
1214         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1215         struct wil6210_vif *vif = ndev_to_vif(ndev);
1216         struct cfg80211_bss *bss;
1217         struct wmi_connect_cmd conn;
1218         const u8 *ssid_eid;
1219         const u8 *rsn_eid;
1220         int ch;
1221         int rc = 0;
1222         bool is_ft_roam = false;
1223         u8 network_type;
1224         enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
1225
1226         wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
1227         wil_print_connect_params(wil, sme);
1228
1229         if (sme->auth_type == NL80211_AUTHTYPE_FT)
1230                 is_ft_roam = true;
1231         if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
1232             test_bit(wil_vif_fwconnected, vif->status))
1233                 is_ft_roam = true;
1234
1235         if (!is_ft_roam)
1236                 if (test_bit(wil_vif_fwconnecting, vif->status) ||
1237                     test_bit(wil_vif_fwconnected, vif->status))
1238                         return -EALREADY;
1239
1240         if (sme->ie_len > WMI_MAX_IE_LEN) {
1241                 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
1242                 return -ERANGE;
1243         }
1244
1245         rsn_eid = sme->ie ?
1246                         cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
1247                         NULL;
1248         if (sme->privacy && !rsn_eid) {
1249                 wil_info(wil, "WSC connection\n");
1250                 if (is_ft_roam) {
1251                         wil_err(wil, "No WSC with FT roam\n");
1252                         return -EINVAL;
1253                 }
1254         }
1255
1256         if (sme->pbss)
1257                 bss_type = IEEE80211_BSS_TYPE_PBSS;
1258
1259         bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
1260                                sme->ssid, sme->ssid_len,
1261                                bss_type, IEEE80211_PRIVACY_ANY);
1262         if (!bss) {
1263                 wil_err(wil, "Unable to find BSS\n");
1264                 return -ENOENT;
1265         }
1266
1267         ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
1268         if (!ssid_eid) {
1269                 wil_err(wil, "No SSID\n");
1270                 rc = -ENOENT;
1271                 goto out;
1272         }
1273         vif->privacy = sme->privacy;
1274         vif->pbss = sme->pbss;
1275
1276         rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
1277         if (rc)
1278                 goto out;
1279
1280         switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
1281         case WLAN_CAPABILITY_DMG_TYPE_AP:
1282                 network_type = WMI_NETTYPE_INFRA;
1283                 break;
1284         case WLAN_CAPABILITY_DMG_TYPE_PBSS:
1285                 network_type = WMI_NETTYPE_P2P;
1286                 break;
1287         default:
1288                 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
1289                         bss->capability);
1290                 rc = -EINVAL;
1291                 goto out;
1292         }
1293
1294         ch = bss->channel->hw_value;
1295         if (ch == 0) {
1296                 wil_err(wil, "BSS at unknown frequency %dMhz\n",
1297                         bss->channel->center_freq);
1298                 rc = -EOPNOTSUPP;
1299                 goto out;
1300         }
1301
1302         if (is_ft_roam) {
1303                 if (network_type != WMI_NETTYPE_INFRA) {
1304                         wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
1305                                 bss->capability);
1306                         rc = -EINVAL;
1307                         goto out;
1308                 }
1309                 rc = wil_ft_connect(wiphy, ndev, sme);
1310                 if (rc == 0)
1311                         vif->bss = bss;
1312                 goto out;
1313         }
1314
1315         if (vif->privacy) {
1316                 /* For secure assoc, remove old keys */
1317                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1318                                         WMI_KEY_USE_PAIRWISE);
1319                 if (rc) {
1320                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1321                         goto out;
1322                 }
1323                 rc = wmi_del_cipher_key(vif, 0, bss->bssid,
1324                                         WMI_KEY_USE_RX_GROUP);
1325                 if (rc) {
1326                         wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1327                         goto out;
1328                 }
1329         }
1330
1331         /* WMI_CONNECT_CMD */
1332         memset(&conn, 0, sizeof(conn));
1333         conn.network_type = network_type;
1334         if (vif->privacy) {
1335                 if (rsn_eid) { /* regular secure connection */
1336                         conn.dot11_auth_mode = WMI_AUTH11_SHARED;
1337                         conn.auth_mode = WMI_AUTH_WPA2_PSK;
1338                         conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
1339                         conn.pairwise_crypto_len = 16;
1340                         conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
1341                         conn.group_crypto_len = 16;
1342                 } else { /* WSC */
1343                         conn.dot11_auth_mode = WMI_AUTH11_WSC;
1344                         conn.auth_mode = WMI_AUTH_NONE;
1345                 }
1346         } else { /* insecure connection */
1347                 conn.dot11_auth_mode = WMI_AUTH11_OPEN;
1348                 conn.auth_mode = WMI_AUTH_NONE;
1349         }
1350
1351         conn.ssid_len = min_t(u8, ssid_eid[1], 32);
1352         memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
1353         conn.channel = ch - 1;
1354
1355         rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config,
1356                                       sme->edmg.channels, &conn.edmg_channel);
1357         if (rc < 0)
1358                 return rc;
1359
1360         ether_addr_copy(conn.bssid, bss->bssid);
1361         ether_addr_copy(conn.dst_mac, bss->bssid);
1362
1363         set_bit(wil_vif_fwconnecting, vif->status);
1364
1365         rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
1366         if (rc == 0) {
1367                 netif_carrier_on(ndev);
1368                 if (!wil_has_other_active_ifaces(wil, ndev, false, true))
1369                         wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
1370                 vif->bss = bss;
1371                 /* Connect can take lots of time */
1372                 mod_timer(&vif->connect_timer,
1373                           jiffies + msecs_to_jiffies(5000));
1374         } else {
1375                 clear_bit(wil_vif_fwconnecting, vif->status);
1376         }
1377
1378  out:
1379         cfg80211_put_bss(wiphy, bss);
1380
1381         return rc;
1382 }
1383
1384 static int wil_cfg80211_disconnect(struct wiphy *wiphy,
1385                                    struct net_device *ndev,
1386                                    u16 reason_code)
1387 {
1388         int rc;
1389         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1390         struct wil6210_vif *vif = ndev_to_vif(ndev);
1391
1392         wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
1393                      reason_code, vif->mid);
1394
1395         if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
1396               test_bit(wil_vif_fwconnected, vif->status))) {
1397                 wil_err(wil, "Disconnect was called while disconnected\n");
1398                 return 0;
1399         }
1400
1401         vif->locally_generated_disc = true;
1402         rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
1403                       WMI_DISCONNECT_EVENTID, NULL, 0,
1404                       WIL6210_DISCONNECT_TO_MS);
1405         if (rc)
1406                 wil_err(wil, "disconnect error %d\n", rc);
1407
1408         return rc;
1409 }
1410
1411 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1412 {
1413         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1414         int rc;
1415
1416         /* these parameters are explicitly not supported */
1417         if (changed & (WIPHY_PARAM_RETRY_LONG |
1418                        WIPHY_PARAM_FRAG_THRESHOLD |
1419                        WIPHY_PARAM_RTS_THRESHOLD))
1420                 return -ENOTSUPP;
1421
1422         if (changed & WIPHY_PARAM_RETRY_SHORT) {
1423                 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
1424                 if (rc)
1425                         return rc;
1426         }
1427
1428         return 0;
1429 }
1430
1431 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
1432                          struct cfg80211_mgmt_tx_params *params,
1433                          u64 *cookie)
1434 {
1435         const u8 *buf = params->buf;
1436         size_t len = params->len;
1437         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1438         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1439         int rc;
1440         bool tx_status;
1441
1442         wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
1443                      params->chan ? params->chan->hw_value : -1,
1444                      params->offchan,
1445                      params->wait);
1446
1447         /* Note, currently we support the "wait" parameter only on AP mode.
1448          * In other modes, user-space must call remain_on_channel before
1449          * mgmt_tx or listen on a channel other than active one.
1450          */
1451
1452         if (params->chan && params->chan->hw_value == 0) {
1453                 wil_err(wil, "invalid channel\n");
1454                 return -EINVAL;
1455         }
1456
1457         if (wdev->iftype != NL80211_IFTYPE_AP) {
1458                 wil_dbg_misc(wil,
1459                              "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
1460                 rc = wmi_mgmt_tx(vif, buf, len);
1461                 goto out;
1462         }
1463
1464         if (!params->chan || params->chan->hw_value == vif->channel) {
1465                 wil_dbg_misc(wil,
1466                              "send WMI_SW_TX_REQ_CMDID for on-channel\n");
1467                 rc = wmi_mgmt_tx(vif, buf, len);
1468                 goto out;
1469         }
1470
1471         if (params->offchan == 0) {
1472                 wil_err(wil,
1473                         "invalid channel params: current %d requested %d, off-channel not allowed\n",
1474                         vif->channel, params->chan->hw_value);
1475                 return -EBUSY;
1476         }
1477
1478         /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
1479         rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
1480                              params->wait);
1481
1482 out:
1483         /* when the sent packet was not acked by receiver(ACK=0), rc will
1484          * be -EAGAIN. In this case this function needs to return success,
1485          * the ACK=0 will be reflected in tx_status.
1486          */
1487         tx_status = (rc == 0);
1488         rc = (rc == -EAGAIN) ? 0 : rc;
1489         cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
1490                                 tx_status, GFP_KERNEL);
1491
1492         return rc;
1493 }
1494
1495 static int wil_cfg80211_set_channel(struct wiphy *wiphy,
1496                                     struct net_device *dev,
1497                                     struct cfg80211_chan_def *chandef)
1498 {
1499         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1500
1501         wil->monitor_chandef = *chandef;
1502
1503         return 0;
1504 }
1505
1506 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
1507                                                bool pairwise)
1508 {
1509         struct wil6210_priv *wil = wdev_to_wil(wdev);
1510         enum wmi_key_usage rc;
1511
1512         if (pairwise) {
1513                 rc = WMI_KEY_USE_PAIRWISE;
1514         } else {
1515                 switch (wdev->iftype) {
1516                 case NL80211_IFTYPE_STATION:
1517                 case NL80211_IFTYPE_P2P_CLIENT:
1518                         rc = WMI_KEY_USE_RX_GROUP;
1519                         break;
1520                 case NL80211_IFTYPE_AP:
1521                 case NL80211_IFTYPE_P2P_GO:
1522                         rc = WMI_KEY_USE_TX_GROUP;
1523                         break;
1524                 default:
1525                         /* TODO: Rx GTK or Tx GTK? */
1526                         wil_err(wil, "Can't determine GTK type\n");
1527                         rc = WMI_KEY_USE_RX_GROUP;
1528                         break;
1529                 }
1530         }
1531         wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
1532
1533         return rc;
1534 }
1535
1536 static struct wil_sta_info *
1537 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
1538                           enum wmi_key_usage key_usage, const u8 *mac_addr)
1539 {
1540         int cid = -EINVAL;
1541
1542         if (key_usage == WMI_KEY_USE_TX_GROUP)
1543                 return NULL; /* not needed */
1544
1545         /* supplicant provides Rx group key in STA mode with NULL MAC address */
1546         if (mac_addr)
1547                 cid = wil_find_cid(wil, mid, mac_addr);
1548         else if (key_usage == WMI_KEY_USE_RX_GROUP)
1549                 cid = wil_find_cid_by_idx(wil, mid, 0);
1550         if (cid < 0) {
1551                 wil_err(wil, "No CID for %pM %s\n", mac_addr,
1552                         key_usage_str[key_usage]);
1553                 return ERR_PTR(cid);
1554         }
1555
1556         return &wil->sta[cid];
1557 }
1558
1559 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
1560                        struct wil_sta_info *cs,
1561                        struct key_params *params)
1562 {
1563         struct wil_tid_crypto_rx_single *cc;
1564         int tid;
1565
1566         if (!cs)
1567                 return;
1568
1569         switch (key_usage) {
1570         case WMI_KEY_USE_STORE_PTK:
1571         case WMI_KEY_USE_PAIRWISE:
1572                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1573                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1574                         if (params->seq)
1575                                 memcpy(cc->pn, params->seq,
1576                                        IEEE80211_GCMP_PN_LEN);
1577                         else
1578                                 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1579                         cc->key_set = true;
1580                 }
1581                 break;
1582         case WMI_KEY_USE_RX_GROUP:
1583                 cc = &cs->group_crypto_rx.key_id[key_index];
1584                 if (params->seq)
1585                         memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
1586                 else
1587                         memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
1588                 cc->key_set = true;
1589                 break;
1590         default:
1591                 break;
1592         }
1593 }
1594
1595 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
1596                            struct wil_sta_info *cs)
1597 {
1598         struct wil_tid_crypto_rx_single *cc;
1599         int tid;
1600
1601         if (!cs)
1602                 return;
1603
1604         switch (key_usage) {
1605         case WMI_KEY_USE_PAIRWISE:
1606                 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1607                         cc = &cs->tid_crypto_rx[tid].key_id[key_index];
1608                         cc->key_set = false;
1609                 }
1610                 break;
1611         case WMI_KEY_USE_RX_GROUP:
1612                 cc = &cs->group_crypto_rx.key_id[key_index];
1613                 cc->key_set = false;
1614                 break;
1615         default:
1616                 break;
1617         }
1618 }
1619
1620 static int wil_cfg80211_add_key(struct wiphy *wiphy,
1621                                 struct net_device *ndev, int link_id,
1622                                 u8 key_index, bool pairwise,
1623                                 const u8 *mac_addr,
1624                                 struct key_params *params)
1625 {
1626         int rc;
1627         struct wil6210_vif *vif = ndev_to_vif(ndev);
1628         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1629         struct wireless_dev *wdev = vif_to_wdev(vif);
1630         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1631         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1632                                                             key_usage,
1633                                                             mac_addr);
1634
1635         if (!params) {
1636                 wil_err(wil, "NULL params\n");
1637                 return -EINVAL;
1638         }
1639
1640         wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
1641                      mac_addr, key_usage_str[key_usage], key_index,
1642                      params->seq_len, params->seq);
1643
1644         if (IS_ERR(cs)) {
1645                 /* in FT, sta info may not be available as add_key may be
1646                  * sent by host before FW sends WMI_CONNECT_EVENT
1647                  */
1648                 if (!test_bit(wil_vif_ft_roam, vif->status)) {
1649                         wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
1650                                 mac_addr, key_usage_str[key_usage], key_index,
1651                                 params->seq_len, params->seq);
1652                         return -EINVAL;
1653                 }
1654         } else {
1655                 wil_del_rx_key(key_index, key_usage, cs);
1656         }
1657
1658         if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
1659                 wil_err(wil,
1660                         "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
1661                         params->seq_len, mac_addr,
1662                         key_usage_str[key_usage], key_index,
1663                         params->seq_len, params->seq);
1664                 return -EINVAL;
1665         }
1666
1667         spin_lock_bh(&wil->eap_lock);
1668         if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION &&
1669             (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED ||
1670              vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) {
1671                 key_usage = WMI_KEY_USE_STORE_PTK;
1672                 vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT;
1673                 wil_dbg_misc(wil, "Store EAPOL key\n");
1674         }
1675         spin_unlock_bh(&wil->eap_lock);
1676
1677         rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
1678                                 params->key, key_usage);
1679         if (!rc && !IS_ERR(cs)) {
1680                 /* update local storage used for AP recovery */
1681                 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
1682                     params->key_len <= WMI_MAX_KEY_LEN) {
1683                         vif->gtk_index = key_index;
1684                         memcpy(vif->gtk, params->key, params->key_len);
1685                         vif->gtk_len = params->key_len;
1686                 }
1687                 /* in FT set crypto will take place upon receiving
1688                  * WMI_RING_EN_EVENTID event
1689                  */
1690                 wil_set_crypto_rx(key_index, key_usage, cs, params);
1691         }
1692
1693         return rc;
1694 }
1695
1696 static int wil_cfg80211_del_key(struct wiphy *wiphy,
1697                                 struct net_device *ndev, int link_id,
1698                                 u8 key_index, bool pairwise,
1699                                 const u8 *mac_addr)
1700 {
1701         struct wil6210_vif *vif = ndev_to_vif(ndev);
1702         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1703         struct wireless_dev *wdev = vif_to_wdev(vif);
1704         enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
1705         struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
1706                                                             key_usage,
1707                                                             mac_addr);
1708
1709         wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
1710                      key_usage_str[key_usage], key_index);
1711
1712         if (IS_ERR(cs))
1713                 wil_info(wil, "Not connected, %pM %s[%d]\n",
1714                          mac_addr, key_usage_str[key_usage], key_index);
1715
1716         if (!IS_ERR_OR_NULL(cs))
1717                 wil_del_rx_key(key_index, key_usage, cs);
1718
1719         return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
1720 }
1721
1722 /* Need to be present or wiphy_new() will WARN */
1723 static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
1724                                         struct net_device *ndev, int link_id,
1725                                         u8 key_index, bool unicast,
1726                                         bool multicast)
1727 {
1728         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1729
1730         wil_dbg_misc(wil, "set_default_key: entered\n");
1731         return 0;
1732 }
1733
1734 static int wil_remain_on_channel(struct wiphy *wiphy,
1735                                  struct wireless_dev *wdev,
1736                                  struct ieee80211_channel *chan,
1737                                  unsigned int duration,
1738                                  u64 *cookie)
1739 {
1740         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1741         int rc;
1742
1743         wil_dbg_misc(wil,
1744                      "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
1745                      chan->center_freq, duration, wdev->iftype);
1746
1747         rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
1748         return rc;
1749 }
1750
1751 static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
1752                                         struct wireless_dev *wdev,
1753                                         u64 cookie)
1754 {
1755         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1756         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
1757
1758         wil_dbg_misc(wil, "cancel_remain_on_channel\n");
1759
1760         return wil_p2p_cancel_listen(vif, cookie);
1761 }
1762
1763 /*
1764  * find a specific IE in a list of IEs
1765  * return a pointer to the beginning of IE in the list
1766  * or NULL if not found
1767  */
1768 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
1769                                        u16 ie_len)
1770 {
1771         struct ieee80211_vendor_ie *vie;
1772         u32 oui;
1773
1774         /* IE tag at offset 0, length at offset 1 */
1775         if (ie_len < 2 || 2 + ie[1] > ie_len)
1776                 return NULL;
1777
1778         if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
1779                 return cfg80211_find_ie(ie[0], ies, ies_len);
1780
1781         /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
1782         if (ie[1] < 4)
1783                 return NULL;
1784         vie = (struct ieee80211_vendor_ie *)ie;
1785         oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
1786         return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
1787                                        ies_len);
1788 }
1789
1790 /*
1791  * merge the IEs in two lists into a single list.
1792  * do not include IEs from the second list which exist in the first list.
1793  * add only vendor specific IEs from second list to keep
1794  * the merged list sorted (since vendor-specific IE has the
1795  * highest tag number)
1796  * caller must free the allocated memory for merged IEs
1797  */
1798 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
1799                                          const u8 *ies2, u16 ies2_len,
1800                                          u8 **merged_ies, u16 *merged_len)
1801 {
1802         u8 *buf, *dpos;
1803         const u8 *spos;
1804
1805         if (!ies1)
1806                 ies1_len = 0;
1807
1808         if (!ies2)
1809                 ies2_len = 0;
1810
1811         if (ies1_len == 0 && ies2_len == 0) {
1812                 *merged_ies = NULL;
1813                 *merged_len = 0;
1814                 return 0;
1815         }
1816
1817         buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
1818         if (!buf)
1819                 return -ENOMEM;
1820         if (ies1)
1821                 memcpy(buf, ies1, ies1_len);
1822         dpos = buf + ies1_len;
1823         spos = ies2;
1824         while (spos && (spos + 1 < ies2 + ies2_len)) {
1825                 /* IE tag at offset 0, length at offset 1 */
1826                 u16 ielen = 2 + spos[1];
1827
1828                 if (spos + ielen > ies2 + ies2_len)
1829                         break;
1830                 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
1831                     (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
1832                                                      spos, ielen))) {
1833                         memcpy(dpos, spos, ielen);
1834                         dpos += ielen;
1835                 }
1836                 spos += ielen;
1837         }
1838
1839         *merged_ies = buf;
1840         *merged_len = dpos - buf;
1841         return 0;
1842 }
1843
1844 static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
1845 {
1846         wil_hex_dump_misc("head     ", DUMP_PREFIX_OFFSET, 16, 1,
1847                           b->head, b->head_len, true);
1848         wil_hex_dump_misc("tail     ", DUMP_PREFIX_OFFSET, 16, 1,
1849                           b->tail, b->tail_len, true);
1850         wil_hex_dump_misc("BCON IE  ", DUMP_PREFIX_OFFSET, 16, 1,
1851                           b->beacon_ies, b->beacon_ies_len, true);
1852         wil_hex_dump_misc("PROBE    ", DUMP_PREFIX_OFFSET, 16, 1,
1853                           b->probe_resp, b->probe_resp_len, true);
1854         wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
1855                           b->proberesp_ies, b->proberesp_ies_len, true);
1856         wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
1857                           b->assocresp_ies, b->assocresp_ies_len, true);
1858 }
1859
1860 /* internal functions for device reset and starting AP */
1861 static u8 *
1862 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
1863                                 u16 *ies_len)
1864 {
1865         u8 *ies = NULL;
1866
1867         if (proberesp) {
1868                 struct ieee80211_mgmt *f =
1869                         (struct ieee80211_mgmt *)proberesp;
1870                 size_t hlen = offsetof(struct ieee80211_mgmt,
1871                                        u.probe_resp.variable);
1872
1873                 ies = f->u.probe_resp.variable;
1874                 if (ies_len)
1875                         *ies_len = proberesp_len - hlen;
1876         }
1877
1878         return ies;
1879 }
1880
1881 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
1882                                  struct cfg80211_beacon_data *bcon)
1883 {
1884         int rc;
1885         u16 len = 0, proberesp_len = 0;
1886         u8 *ies = NULL, *proberesp;
1887
1888         /* update local storage used for AP recovery */
1889         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
1890                       bcon->probe_resp_len);
1891         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
1892                       bcon->proberesp_ies, bcon->proberesp_ies_len);
1893         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
1894                       bcon->assocresp_ies, bcon->assocresp_ies_len);
1895
1896         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1897                                                     bcon->probe_resp_len,
1898                                                     &proberesp_len);
1899         rc = _wil_cfg80211_merge_extra_ies(proberesp,
1900                                            proberesp_len,
1901                                            bcon->proberesp_ies,
1902                                            bcon->proberesp_ies_len,
1903                                            &ies, &len);
1904
1905         if (rc)
1906                 goto out;
1907
1908         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies);
1909         if (rc)
1910                 goto out;
1911
1912         if (bcon->assocresp_ies)
1913                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
1914                                 bcon->assocresp_ies_len, bcon->assocresp_ies);
1915         else
1916                 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies);
1917 #if 0 /* to use beacon IE's, remove this #if 0 */
1918         if (rc)
1919                 goto out;
1920
1921         rc = wmi_set_ie(vif, WMI_FRAME_BEACON,
1922                         bcon->tail_len, bcon->tail);
1923 #endif
1924 out:
1925         kfree(ies);
1926         return rc;
1927 }
1928
1929 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
1930                                   struct net_device *ndev,
1931                                   const u8 *ssid, size_t ssid_len, u32 privacy,
1932                                   int bi, u8 chan, u8 wmi_edmg_channel,
1933                                   struct cfg80211_beacon_data *bcon,
1934                                   u8 hidden_ssid, u32 pbss)
1935 {
1936         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
1937         struct wil6210_vif *vif = ndev_to_vif(ndev);
1938         int rc;
1939         struct wireless_dev *wdev = ndev->ieee80211_ptr;
1940         u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
1941         u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
1942         u16 proberesp_len = 0;
1943         u8 *proberesp;
1944         bool ft = false;
1945
1946         if (pbss)
1947                 wmi_nettype = WMI_NETTYPE_P2P;
1948
1949         wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
1950         if (is_go && !pbss) {
1951                 wil_err(wil, "P2P GO must be in PBSS\n");
1952                 return -ENOTSUPP;
1953         }
1954
1955         wil_set_recovery_state(wil, fw_recovery_idle);
1956
1957         proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
1958                                                     bcon->probe_resp_len,
1959                                                     &proberesp_len);
1960         /* check that the probe response IEs has a MDE */
1961         if ((proberesp && proberesp_len > 0 &&
1962              cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
1963                               proberesp,
1964                               proberesp_len)))
1965                 ft = true;
1966
1967         if (ft) {
1968                 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
1969                               wil->fw_capabilities)) {
1970                         wil_err(wil, "FW does not support FT roaming\n");
1971                         return -ENOTSUPP;
1972                 }
1973                 set_bit(wil_vif_ft_roam, vif->status);
1974         }
1975
1976         mutex_lock(&wil->mutex);
1977
1978         if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
1979                 __wil_down(wil);
1980                 rc = __wil_up(wil);
1981                 if (rc)
1982                         goto out;
1983         }
1984
1985         rc = wmi_set_ssid(vif, ssid_len, ssid);
1986         if (rc)
1987                 goto out;
1988
1989         rc = _wil_cfg80211_set_ies(vif, bcon);
1990         if (rc)
1991                 goto out;
1992
1993         vif->privacy = privacy;
1994         vif->channel = chan;
1995         vif->wmi_edmg_channel = wmi_edmg_channel;
1996         vif->hidden_ssid = hidden_ssid;
1997         vif->pbss = pbss;
1998         vif->bi = bi;
1999         memcpy(vif->ssid, ssid, ssid_len);
2000         vif->ssid_len = ssid_len;
2001
2002         netif_carrier_on(ndev);
2003         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2004                 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
2005
2006         rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel,
2007                            hidden_ssid, is_go);
2008         if (rc)
2009                 goto err_pcp_start;
2010
2011         rc = wil_bcast_init(vif);
2012         if (rc)
2013                 goto err_bcast;
2014
2015         goto out; /* success */
2016
2017 err_bcast:
2018         wmi_pcp_stop(vif);
2019 err_pcp_start:
2020         netif_carrier_off(ndev);
2021         if (!wil_has_other_active_ifaces(wil, ndev, false, true))
2022                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2023 out:
2024         mutex_unlock(&wil->mutex);
2025         return rc;
2026 }
2027
2028 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
2029 {
2030         int rc, i;
2031         struct wiphy *wiphy = wil_to_wiphy(wil);
2032
2033         for (i = 0; i < GET_MAX_VIFS(wil); i++) {
2034                 struct wil6210_vif *vif = wil->vifs[i];
2035                 struct net_device *ndev;
2036                 struct cfg80211_beacon_data bcon = {};
2037                 struct key_params key_params = {};
2038
2039                 if (!vif || vif->ssid_len == 0)
2040                         continue;
2041
2042                 ndev = vif_to_ndev(vif);
2043                 bcon.proberesp_ies = vif->proberesp_ies;
2044                 bcon.assocresp_ies = vif->assocresp_ies;
2045                 bcon.probe_resp = vif->proberesp;
2046                 bcon.proberesp_ies_len = vif->proberesp_ies_len;
2047                 bcon.assocresp_ies_len = vif->assocresp_ies_len;
2048                 bcon.probe_resp_len = vif->proberesp_len;
2049
2050                 wil_info(wil,
2051                          "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
2052                          i, vif->privacy, vif->bi, vif->channel,
2053                          vif->hidden_ssid, vif->pbss);
2054                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2055                                   vif->ssid, vif->ssid_len, true);
2056                 rc = _wil_cfg80211_start_ap(wiphy, ndev,
2057                                             vif->ssid, vif->ssid_len,
2058                                             vif->privacy, vif->bi,
2059                                             vif->channel,
2060                                             vif->wmi_edmg_channel, &bcon,
2061                                             vif->hidden_ssid, vif->pbss);
2062                 if (rc) {
2063                         wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
2064                         continue;
2065                 }
2066
2067                 if (!vif->privacy || vif->gtk_len == 0)
2068                         continue;
2069
2070                 key_params.key = vif->gtk;
2071                 key_params.key_len = vif->gtk_len;
2072                 key_params.seq_len = IEEE80211_GCMP_PN_LEN;
2073                 rc = wil_cfg80211_add_key(wiphy, ndev, -1, vif->gtk_index,
2074                                           false, NULL, &key_params);
2075                 if (rc)
2076                         wil_err(wil, "vif %d recovery add key failed (%d)\n",
2077                                 i, rc);
2078         }
2079 }
2080
2081 static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
2082                                       struct net_device *ndev,
2083                                       struct cfg80211_ap_update *params)
2084 {
2085         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2086         struct wireless_dev *wdev = ndev->ieee80211_ptr;
2087         struct wil6210_vif *vif = ndev_to_vif(ndev);
2088         struct cfg80211_beacon_data *bcon = &params->beacon;
2089         int rc;
2090         u32 privacy = 0;
2091
2092         wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
2093         wil_print_bcon_data(bcon);
2094
2095         if (bcon->tail &&
2096             cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
2097                              bcon->tail_len))
2098                 privacy = 1;
2099
2100         memcpy(vif->ssid, wdev->u.ap.ssid, wdev->u.ap.ssid_len);
2101         vif->ssid_len = wdev->u.ap.ssid_len;
2102
2103         /* in case privacy has changed, need to restart the AP */
2104         if (vif->privacy != privacy) {
2105                 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
2106                              vif->privacy, privacy);
2107
2108                 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
2109                                             vif->ssid_len, privacy,
2110                                             wdev->links[0].ap.beacon_interval,
2111                                             vif->channel,
2112                                             vif->wmi_edmg_channel, bcon,
2113                                             vif->hidden_ssid,
2114                                             vif->pbss);
2115         } else {
2116                 rc = _wil_cfg80211_set_ies(vif, bcon);
2117         }
2118
2119         return rc;
2120 }
2121
2122 static int wil_cfg80211_start_ap(struct wiphy *wiphy,
2123                                  struct net_device *ndev,
2124                                  struct cfg80211_ap_settings *info)
2125 {
2126         int rc;
2127         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2128         struct ieee80211_channel *channel = info->chandef.chan;
2129         struct cfg80211_beacon_data *bcon = &info->beacon;
2130         struct cfg80211_crypto_settings *crypto = &info->crypto;
2131         u8 wmi_edmg_channel;
2132         u8 hidden_ssid;
2133
2134         wil_dbg_misc(wil, "start_ap\n");
2135
2136         rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config,
2137                                       info->chandef.edmg.channels,
2138                                       &wmi_edmg_channel);
2139         if (rc < 0)
2140                 return rc;
2141
2142         if (!channel) {
2143                 wil_err(wil, "AP: No channel???\n");
2144                 return -EINVAL;
2145         }
2146
2147         switch (info->hidden_ssid) {
2148         case NL80211_HIDDEN_SSID_NOT_IN_USE:
2149                 hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
2150                 break;
2151
2152         case NL80211_HIDDEN_SSID_ZERO_LEN:
2153                 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
2154                 break;
2155
2156         case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2157                 hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
2158                 break;
2159
2160         default:
2161                 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
2162                 return -EOPNOTSUPP;
2163         }
2164         wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
2165                      channel->center_freq, info->privacy ? "secure" : "open");
2166         wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
2167                      info->privacy, info->auth_type);
2168         wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
2169                      info->hidden_ssid);
2170         wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
2171                      info->dtim_period);
2172         wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
2173         wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2174                           info->ssid, info->ssid_len, true);
2175         wil_print_bcon_data(bcon);
2176         wil_print_crypto(wil, crypto);
2177
2178         rc = _wil_cfg80211_start_ap(wiphy, ndev,
2179                                     info->ssid, info->ssid_len, info->privacy,
2180                                     info->beacon_interval, channel->hw_value,
2181                                     wmi_edmg_channel, bcon, hidden_ssid,
2182                                     info->pbss);
2183
2184         return rc;
2185 }
2186
2187 static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
2188                                 struct net_device *ndev,
2189                                 unsigned int link_id)
2190 {
2191         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2192         struct wil6210_vif *vif = ndev_to_vif(ndev);
2193         bool last;
2194
2195         wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
2196
2197         netif_carrier_off(ndev);
2198         last = !wil_has_other_active_ifaces(wil, ndev, false, true);
2199         if (last) {
2200                 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
2201                 wil_set_recovery_state(wil, fw_recovery_idle);
2202                 set_bit(wil_status_resetting, wil->status);
2203         }
2204
2205         mutex_lock(&wil->mutex);
2206
2207         wmi_pcp_stop(vif);
2208         clear_bit(wil_vif_ft_roam, vif->status);
2209         vif->ssid_len = 0;
2210         wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
2211         wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
2212         wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
2213         memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
2214         vif->gtk_len = 0;
2215
2216         if (last)
2217                 __wil_down(wil);
2218         else
2219                 wil_bcast_fini(vif);
2220
2221         mutex_unlock(&wil->mutex);
2222
2223         return 0;
2224 }
2225
2226 static int wil_cfg80211_add_station(struct wiphy *wiphy,
2227                                     struct net_device *dev,
2228                                     const u8 *mac,
2229                                     struct station_parameters *params)
2230 {
2231         struct wil6210_vif *vif = ndev_to_vif(dev);
2232         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2233
2234         wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
2235                      mac, params->aid, vif->mid,
2236                      params->sta_flags_mask, params->sta_flags_set);
2237
2238         if (!disable_ap_sme) {
2239                 wil_err(wil, "not supported with AP SME enabled\n");
2240                 return -EOPNOTSUPP;
2241         }
2242
2243         if (params->aid > WIL_MAX_DMG_AID) {
2244                 wil_err(wil, "invalid aid\n");
2245                 return -EINVAL;
2246         }
2247
2248         return wmi_new_sta(vif, mac, params->aid);
2249 }
2250
2251 static int wil_cfg80211_del_station(struct wiphy *wiphy,
2252                                     struct net_device *dev,
2253                                     struct station_del_parameters *params)
2254 {
2255         struct wil6210_vif *vif = ndev_to_vif(dev);
2256         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2257
2258         wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
2259                      params->mac, params->reason_code, vif->mid);
2260
2261         mutex_lock(&wil->mutex);
2262         wil6210_disconnect(vif, params->mac, params->reason_code);
2263         mutex_unlock(&wil->mutex);
2264
2265         return 0;
2266 }
2267
2268 static int wil_cfg80211_change_station(struct wiphy *wiphy,
2269                                        struct net_device *dev,
2270                                        const u8 *mac,
2271                                        struct station_parameters *params)
2272 {
2273         struct wil6210_vif *vif = ndev_to_vif(dev);
2274         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2275         int authorize;
2276         int cid, i;
2277         struct wil_ring_tx_data *txdata = NULL;
2278
2279         wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
2280                      mac, params->sta_flags_mask, params->sta_flags_set,
2281                      vif->mid);
2282
2283         if (!disable_ap_sme) {
2284                 wil_dbg_misc(wil, "not supported with AP SME enabled\n");
2285                 return -EOPNOTSUPP;
2286         }
2287
2288         if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2289                 return 0;
2290
2291         cid = wil_find_cid(wil, vif->mid, mac);
2292         if (cid < 0) {
2293                 wil_err(wil, "station not found\n");
2294                 return -ENOLINK;
2295         }
2296
2297         for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
2298                 if (wil->ring2cid_tid[i][0] == cid) {
2299                         txdata = &wil->ring_tx_data[i];
2300                         break;
2301                 }
2302
2303         if (!txdata) {
2304                 wil_err(wil, "ring data not found\n");
2305                 return -ENOLINK;
2306         }
2307
2308         authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
2309         txdata->dot1x_open = authorize ? 1 : 0;
2310         wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
2311                      txdata->dot1x_open);
2312
2313         return 0;
2314 }
2315
2316 /* probe_client handling */
2317 static void wil_probe_client_handle(struct wil6210_priv *wil,
2318                                     struct wil6210_vif *vif,
2319                                     struct wil_probe_client_req *req)
2320 {
2321         struct net_device *ndev = vif_to_ndev(vif);
2322         struct wil_sta_info *sta = &wil->sta[req->cid];
2323         /* assume STA is alive if it is still connected,
2324          * else FW will disconnect it
2325          */
2326         bool alive = (sta->status == wil_sta_connected);
2327
2328         cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
2329                               0, false, GFP_KERNEL);
2330 }
2331
2332 static struct list_head *next_probe_client(struct wil6210_vif *vif)
2333 {
2334         struct list_head *ret = NULL;
2335
2336         mutex_lock(&vif->probe_client_mutex);
2337
2338         if (!list_empty(&vif->probe_client_pending)) {
2339                 ret = vif->probe_client_pending.next;
2340                 list_del(ret);
2341         }
2342
2343         mutex_unlock(&vif->probe_client_mutex);
2344
2345         return ret;
2346 }
2347
2348 void wil_probe_client_worker(struct work_struct *work)
2349 {
2350         struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
2351                                                probe_client_worker);
2352         struct wil6210_priv *wil = vif_to_wil(vif);
2353         struct wil_probe_client_req *req;
2354         struct list_head *lh;
2355
2356         while ((lh = next_probe_client(vif)) != NULL) {
2357                 req = list_entry(lh, struct wil_probe_client_req, list);
2358
2359                 wil_probe_client_handle(wil, vif, req);
2360                 kfree(req);
2361         }
2362 }
2363
2364 void wil_probe_client_flush(struct wil6210_vif *vif)
2365 {
2366         struct wil_probe_client_req *req, *t;
2367         struct wil6210_priv *wil = vif_to_wil(vif);
2368
2369         wil_dbg_misc(wil, "probe_client_flush\n");
2370
2371         mutex_lock(&vif->probe_client_mutex);
2372
2373         list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
2374                 list_del(&req->list);
2375                 kfree(req);
2376         }
2377
2378         mutex_unlock(&vif->probe_client_mutex);
2379 }
2380
2381 static int wil_cfg80211_probe_client(struct wiphy *wiphy,
2382                                      struct net_device *dev,
2383                                      const u8 *peer, u64 *cookie)
2384 {
2385         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2386         struct wil6210_vif *vif = ndev_to_vif(dev);
2387         struct wil_probe_client_req *req;
2388         int cid = wil_find_cid(wil, vif->mid, peer);
2389
2390         wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
2391                      peer, cid, vif->mid);
2392
2393         if (cid < 0)
2394                 return -ENOLINK;
2395
2396         req = kzalloc(sizeof(*req), GFP_KERNEL);
2397         if (!req)
2398                 return -ENOMEM;
2399
2400         req->cid = cid;
2401         req->cookie = cid;
2402
2403         mutex_lock(&vif->probe_client_mutex);
2404         list_add_tail(&req->list, &vif->probe_client_pending);
2405         mutex_unlock(&vif->probe_client_mutex);
2406
2407         *cookie = req->cookie;
2408         queue_work(wil->wq_service, &vif->probe_client_worker);
2409         return 0;
2410 }
2411
2412 static int wil_cfg80211_change_bss(struct wiphy *wiphy,
2413                                    struct net_device *dev,
2414                                    struct bss_parameters *params)
2415 {
2416         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2417         struct wil6210_vif *vif = ndev_to_vif(dev);
2418
2419         if (params->ap_isolate >= 0) {
2420                 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
2421                              vif->mid, vif->ap_isolate, params->ap_isolate);
2422                 vif->ap_isolate = params->ap_isolate;
2423         }
2424
2425         return 0;
2426 }
2427
2428 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
2429                                        struct net_device *dev,
2430                                        bool enabled, int timeout)
2431 {
2432         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2433         enum wmi_ps_profile_type ps_profile;
2434
2435         wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
2436                      enabled, timeout);
2437
2438         if (enabled)
2439                 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
2440         else
2441                 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
2442
2443         return wil_ps_update(wil, ps_profile);
2444 }
2445
2446 static int wil_cfg80211_suspend(struct wiphy *wiphy,
2447                                 struct cfg80211_wowlan *wow)
2448 {
2449         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2450         int rc;
2451
2452         /* Setting the wakeup trigger based on wow is TBD */
2453
2454         if (test_bit(wil_status_suspended, wil->status)) {
2455                 wil_dbg_pm(wil, "trying to suspend while suspended\n");
2456                 return 0;
2457         }
2458
2459         rc = wil_can_suspend(wil, false);
2460         if (rc)
2461                 goto out;
2462
2463         wil_dbg_pm(wil, "suspending\n");
2464
2465         mutex_lock(&wil->mutex);
2466         mutex_lock(&wil->vif_mutex);
2467         wil_p2p_stop_radio_operations(wil);
2468         wil_abort_scan_all_vifs(wil, true);
2469         mutex_unlock(&wil->vif_mutex);
2470         mutex_unlock(&wil->mutex);
2471
2472 out:
2473         return rc;
2474 }
2475
2476 static int wil_cfg80211_resume(struct wiphy *wiphy)
2477 {
2478         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2479
2480         wil_dbg_pm(wil, "resuming\n");
2481
2482         return 0;
2483 }
2484
2485 static int
2486 wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
2487                               struct net_device *dev,
2488                               struct cfg80211_sched_scan_request *request)
2489 {
2490         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2491         struct wil6210_vif *vif = ndev_to_vif(dev);
2492         int i, rc;
2493
2494         if (vif->mid != 0)
2495                 return -EOPNOTSUPP;
2496
2497         wil_dbg_misc(wil,
2498                      "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
2499                      request->n_ssids, request->ie_len, request->flags);
2500         for (i = 0; i < request->n_ssids; i++) {
2501                 wil_dbg_misc(wil, "SSID[%d]:", i);
2502                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2503                                   request->ssids[i].ssid,
2504                                   request->ssids[i].ssid_len, true);
2505         }
2506         wil_dbg_misc(wil, "channels:");
2507         for (i = 0; i < request->n_channels; i++)
2508                 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
2509                              i == request->n_channels - 1 ? "\n" : "");
2510         wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
2511                      request->n_match_sets, request->min_rssi_thold,
2512                      request->delay);
2513         for (i = 0; i < request->n_match_sets; i++) {
2514                 struct cfg80211_match_set *ms = &request->match_sets[i];
2515
2516                 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
2517                              i, ms->rssi_thold);
2518                 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
2519                                   ms->ssid.ssid,
2520                                   ms->ssid.ssid_len, true);
2521         }
2522         wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
2523         for (i = 0; i < request->n_scan_plans; i++) {
2524                 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
2525
2526                 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
2527                              i, sp->interval, sp->iterations);
2528         }
2529
2530         rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
2531                         request->ie_len, request->ie);
2532         if (rc)
2533                 return rc;
2534         return wmi_start_sched_scan(wil, request);
2535 }
2536
2537 static int
2538 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2539                              u64 reqid)
2540 {
2541         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2542         struct wil6210_vif *vif = ndev_to_vif(dev);
2543         int rc;
2544
2545         if (vif->mid != 0)
2546                 return -EOPNOTSUPP;
2547
2548         rc = wmi_stop_sched_scan(wil);
2549         /* device would return error if it thinks PNO is already stopped.
2550          * ignore the return code so user space and driver gets back in-sync
2551          */
2552         wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
2553
2554         return 0;
2555 }
2556
2557 static int
2558 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
2559                            struct cfg80211_update_ft_ies_params *ftie)
2560 {
2561         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2562         struct wil6210_vif *vif = ndev_to_vif(dev);
2563         struct cfg80211_bss *bss;
2564         struct wmi_ft_reassoc_cmd reassoc;
2565         int rc = 0;
2566
2567         wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
2568         wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
2569                           ftie->ie, ftie->ie_len, true);
2570
2571         if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
2572                 wil_err(wil, "FW does not support FT roaming\n");
2573                 return -EOPNOTSUPP;
2574         }
2575
2576         rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
2577         if (rc)
2578                 return rc;
2579
2580         if (!test_bit(wil_vif_ft_roam, vif->status))
2581                 /* vif is not roaming */
2582                 return 0;
2583
2584         /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
2585          * a trigger for reassoc
2586          */
2587
2588         bss = vif->bss;
2589         if (!bss) {
2590                 wil_err(wil, "FT: bss is NULL\n");
2591                 return -EINVAL;
2592         }
2593
2594         memset(&reassoc, 0, sizeof(reassoc));
2595         ether_addr_copy(reassoc.bssid, bss->bssid);
2596
2597         rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
2598                       &reassoc, sizeof(reassoc));
2599         if (rc)
2600                 wil_err(wil, "FT: reassoc failed (%d)\n", rc);
2601
2602         return rc;
2603 }
2604
2605 static int wil_cfg80211_set_multicast_to_unicast(struct wiphy *wiphy,
2606                                                  struct net_device *dev,
2607                                                  const bool enabled)
2608 {
2609         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2610
2611         if (wil->multicast_to_unicast == enabled)
2612                 return 0;
2613
2614         wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled);
2615         wil->multicast_to_unicast = enabled;
2616
2617         return 0;
2618 }
2619
2620 static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
2621                                             struct net_device *dev,
2622                                             s32 rssi_thold, u32 rssi_hyst)
2623 {
2624         struct wil6210_priv *wil = wiphy_to_wil(wiphy);
2625         int rc;
2626
2627         wil->cqm_rssi_thold = rssi_thold;
2628
2629         rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst);
2630         if (rc)
2631                 /* reset stored value upon failure */
2632                 wil->cqm_rssi_thold = 0;
2633
2634         return rc;
2635 }
2636
2637 static const struct cfg80211_ops wil_cfg80211_ops = {
2638         .add_virtual_intf = wil_cfg80211_add_iface,
2639         .del_virtual_intf = wil_cfg80211_del_iface,
2640         .scan = wil_cfg80211_scan,
2641         .abort_scan = wil_cfg80211_abort_scan,
2642         .connect = wil_cfg80211_connect,
2643         .disconnect = wil_cfg80211_disconnect,
2644         .set_wiphy_params = wil_cfg80211_set_wiphy_params,
2645         .change_virtual_intf = wil_cfg80211_change_iface,
2646         .get_station = wil_cfg80211_get_station,
2647         .dump_station = wil_cfg80211_dump_station,
2648         .remain_on_channel = wil_remain_on_channel,
2649         .cancel_remain_on_channel = wil_cancel_remain_on_channel,
2650         .mgmt_tx = wil_cfg80211_mgmt_tx,
2651         .set_monitor_channel = wil_cfg80211_set_channel,
2652         .add_key = wil_cfg80211_add_key,
2653         .del_key = wil_cfg80211_del_key,
2654         .set_default_key = wil_cfg80211_set_default_key,
2655         /* AP mode */
2656         .change_beacon = wil_cfg80211_change_beacon,
2657         .start_ap = wil_cfg80211_start_ap,
2658         .stop_ap = wil_cfg80211_stop_ap,
2659         .add_station = wil_cfg80211_add_station,
2660         .del_station = wil_cfg80211_del_station,
2661         .change_station = wil_cfg80211_change_station,
2662         .probe_client = wil_cfg80211_probe_client,
2663         .change_bss = wil_cfg80211_change_bss,
2664         /* P2P device */
2665         .start_p2p_device = wil_cfg80211_start_p2p_device,
2666         .stop_p2p_device = wil_cfg80211_stop_p2p_device,
2667         .set_power_mgmt = wil_cfg80211_set_power_mgmt,
2668         .set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config,
2669         .suspend = wil_cfg80211_suspend,
2670         .resume = wil_cfg80211_resume,
2671         .sched_scan_start = wil_cfg80211_sched_scan_start,
2672         .sched_scan_stop = wil_cfg80211_sched_scan_stop,
2673         .update_ft_ies = wil_cfg80211_update_ft_ies,
2674         .set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast,
2675 };
2676
2677 static void wil_wiphy_init(struct wiphy *wiphy)
2678 {
2679         wiphy->max_scan_ssids = 1;
2680         wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
2681         wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
2682         wiphy->max_num_pmkids = 0 /* TODO: */;
2683         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2684                                  BIT(NL80211_IFTYPE_AP) |
2685                                  BIT(NL80211_IFTYPE_P2P_CLIENT) |
2686                                  BIT(NL80211_IFTYPE_P2P_GO) |
2687                                  BIT(NL80211_IFTYPE_P2P_DEVICE) |
2688                                  BIT(NL80211_IFTYPE_MONITOR);
2689         wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
2690                         WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2691                         WIPHY_FLAG_PS_ON_BY_DEFAULT;
2692         if (!disable_ap_sme)
2693                 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
2694         dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
2695                 __func__, wiphy->flags);
2696         wiphy->probe_resp_offload =
2697                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2698                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2699                 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2700
2701         wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
2702
2703         /* may change after reading FW capabilities */
2704         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2705
2706         wiphy->cipher_suites = wil_cipher_suites;
2707         wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
2708         wiphy->mgmt_stypes = wil_mgmt_stypes;
2709         wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
2710
2711         wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
2712         wiphy->vendor_commands = wil_nl80211_vendor_commands;
2713
2714 #ifdef CONFIG_PM
2715         wiphy->wowlan = &wil_wowlan_support;
2716 #endif
2717 }
2718
2719 int wil_cfg80211_iface_combinations_from_fw(
2720         struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
2721 {
2722         struct wiphy *wiphy = wil_to_wiphy(wil);
2723         u32 total_limits = 0;
2724         u16 n_combos;
2725         const struct wil_fw_concurrency_combo *combo;
2726         const struct wil_fw_concurrency_limit *limit;
2727         struct ieee80211_iface_combination *iface_combinations;
2728         struct ieee80211_iface_limit *iface_limit;
2729         int i, j;
2730
2731         if (wiphy->iface_combinations) {
2732                 wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
2733                 return 0;
2734         }
2735
2736         combo = (const struct wil_fw_concurrency_combo *)(conc + 1);
2737         n_combos = le16_to_cpu(conc->n_combos);
2738         for (i = 0; i < n_combos; i++) {
2739                 total_limits += combo->n_limits;
2740                 limit = combo->limits + combo->n_limits;
2741                 combo = (struct wil_fw_concurrency_combo *)limit;
2742         }
2743
2744         iface_combinations =
2745                 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
2746                         total_limits * sizeof(struct ieee80211_iface_limit),
2747                         GFP_KERNEL);
2748         if (!iface_combinations)
2749                 return -ENOMEM;
2750         iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
2751                                                        n_combos);
2752         combo = (const struct wil_fw_concurrency_combo *)(conc + 1);
2753         for (i = 0; i < n_combos; i++) {
2754                 iface_combinations[i].max_interfaces = combo->max_interfaces;
2755                 iface_combinations[i].num_different_channels =
2756                         combo->n_diff_channels;
2757                 iface_combinations[i].beacon_int_infra_match =
2758                         combo->same_bi;
2759                 iface_combinations[i].n_limits = combo->n_limits;
2760                 wil_dbg_misc(wil,
2761                              "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
2762                              i, iface_combinations[i].max_interfaces,
2763                              iface_combinations[i].num_different_channels,
2764                              iface_combinations[i].beacon_int_infra_match);
2765                 limit = combo->limits;
2766                 for (j = 0; j < combo->n_limits; j++) {
2767                         iface_limit[j].max = le16_to_cpu(limit[j].max);
2768                         iface_limit[j].types = le16_to_cpu(limit[j].types);
2769                         wil_dbg_misc(wil,
2770                                      "limit %d: max %d types 0x%x\n", j,
2771                                      iface_limit[j].max, iface_limit[j].types);
2772                 }
2773                 iface_combinations[i].limits = iface_limit;
2774                 iface_limit += combo->n_limits;
2775                 limit += combo->n_limits;
2776                 combo = (struct wil_fw_concurrency_combo *)limit;
2777         }
2778
2779         wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
2780         wil->max_vifs = conc->n_mids + 1; /* including main interface */
2781         if (wil->max_vifs > WIL_MAX_VIFS) {
2782                 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
2783                          WIL_MAX_VIFS, wil->max_vifs);
2784                 wil->max_vifs = WIL_MAX_VIFS;
2785         }
2786         wiphy->n_iface_combinations = n_combos;
2787         wiphy->iface_combinations = iface_combinations;
2788         return 0;
2789 }
2790
2791 struct wil6210_priv *wil_cfg80211_init(struct device *dev)
2792 {
2793         struct wiphy *wiphy;
2794         struct wil6210_priv *wil;
2795         struct ieee80211_channel *ch;
2796
2797         dev_dbg(dev, "%s()\n", __func__);
2798
2799         /* Note: the wireless_dev structure is no longer allocated here.
2800          * Instead, it is allocated as part of the net_device structure
2801          * for main interface and each VIF.
2802          */
2803         wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
2804         if (!wiphy)
2805                 return ERR_PTR(-ENOMEM);
2806
2807         set_wiphy_dev(wiphy, dev);
2808         wil_wiphy_init(wiphy);
2809
2810         wil = wiphy_to_wil(wiphy);
2811         wil->wiphy = wiphy;
2812
2813         /* default monitor channel */
2814         ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
2815         cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
2816
2817         return wil;
2818 }
2819
2820 void wil_cfg80211_deinit(struct wil6210_priv *wil)
2821 {
2822         struct wiphy *wiphy = wil_to_wiphy(wil);
2823
2824         dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
2825
2826         if (!wiphy)
2827                 return;
2828
2829         kfree(wiphy->iface_combinations);
2830         wiphy->iface_combinations = NULL;
2831
2832         wiphy_free(wiphy);
2833         /* do not access wil6210_priv after returning from here */
2834 }
2835
2836 void wil_p2p_wdev_free(struct wil6210_priv *wil)
2837 {
2838         struct wireless_dev *p2p_wdev;
2839
2840         mutex_lock(&wil->vif_mutex);
2841         p2p_wdev = wil->p2p_wdev;
2842         wil->p2p_wdev = NULL;
2843         wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
2844         mutex_unlock(&wil->vif_mutex);
2845         if (p2p_wdev) {
2846                 cfg80211_unregister_wdev(p2p_wdev);
2847                 kfree(p2p_wdev);
2848         }
2849 }
2850
2851 static int wil_rf_sector_status_to_rc(u8 status)
2852 {
2853         switch (status) {
2854         case WMI_RF_SECTOR_STATUS_SUCCESS:
2855                 return 0;
2856         case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
2857                 return -EINVAL;
2858         case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
2859                 return -EAGAIN;
2860         case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
2861                 return -EOPNOTSUPP;
2862         default:
2863                 return -EINVAL;
2864         }
2865 }
2866
2867 static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
2868                                  struct wireless_dev *wdev,
2869                                  const void *data, int data_len)
2870 {
2871         struct wil6210_priv *wil = wdev_to_wil(wdev);
2872         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2873         int rc;
2874         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2875         u16 sector_index;
2876         u8 sector_type;
2877         u32 rf_modules_vec;
2878         struct wmi_get_rf_sector_params_cmd cmd;
2879         struct {
2880                 struct wmi_cmd_hdr wmi;
2881                 struct wmi_get_rf_sector_params_done_event evt;
2882         } __packed reply = {
2883                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
2884         };
2885         struct sk_buff *msg;
2886         struct nlattr *nl_cfgs, *nl_cfg;
2887         u32 i;
2888         struct wmi_rf_sector_info *si;
2889
2890         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
2891                 return -EOPNOTSUPP;
2892
2893         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
2894                                   data_len, wil_rf_sector_policy, NULL);
2895         if (rc) {
2896                 wil_err(wil, "Invalid rf sector ATTR\n");
2897                 return rc;
2898         }
2899
2900         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
2901             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
2902             !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
2903                 wil_err(wil, "Invalid rf sector spec\n");
2904                 return -EINVAL;
2905         }
2906
2907         sector_index = nla_get_u16(
2908                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
2909         if (sector_index >= WIL_MAX_RF_SECTORS) {
2910                 wil_err(wil, "Invalid sector index %d\n", sector_index);
2911                 return -EINVAL;
2912         }
2913
2914         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
2915         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
2916                 wil_err(wil, "Invalid sector type %d\n", sector_type);
2917                 return -EINVAL;
2918         }
2919
2920         rf_modules_vec = nla_get_u32(
2921                 tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
2922         if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
2923                 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
2924                 return -EINVAL;
2925         }
2926
2927         cmd.sector_idx = cpu_to_le16(sector_index);
2928         cmd.sector_type = sector_type;
2929         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
2930         rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
2931                       &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
2932                       &reply, sizeof(reply),
2933                       500);
2934         if (rc)
2935                 return rc;
2936         if (reply.evt.status) {
2937                 wil_err(wil, "get rf sector cfg failed with status %d\n",
2938                         reply.evt.status);
2939                 return wil_rf_sector_status_to_rc(reply.evt.status);
2940         }
2941
2942         msg = cfg80211_vendor_cmd_alloc_reply_skb(
2943                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
2944         if (!msg)
2945                 return -ENOMEM;
2946
2947         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
2948                               le64_to_cpu(reply.evt.tsf),
2949                               QCA_ATTR_PAD))
2950                 goto nla_put_failure;
2951
2952         nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
2953         if (!nl_cfgs)
2954                 goto nla_put_failure;
2955         for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
2956                 if (!(rf_modules_vec & BIT(i)))
2957                         continue;
2958                 nl_cfg = nla_nest_start_noflag(msg, i);
2959                 if (!nl_cfg)
2960                         goto nla_put_failure;
2961                 si = &reply.evt.sectors_info[i];
2962                 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
2963                                i) ||
2964                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
2965                                 le32_to_cpu(si->etype0)) ||
2966                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
2967                                 le32_to_cpu(si->etype1)) ||
2968                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
2969                                 le32_to_cpu(si->etype2)) ||
2970                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
2971                                 le32_to_cpu(si->psh_hi)) ||
2972                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
2973                                 le32_to_cpu(si->psh_lo)) ||
2974                     nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
2975                                 le32_to_cpu(si->dtype_swch_off)))
2976                         goto nla_put_failure;
2977                 nla_nest_end(msg, nl_cfg);
2978         }
2979
2980         nla_nest_end(msg, nl_cfgs);
2981         rc = cfg80211_vendor_cmd_reply(msg);
2982         return rc;
2983 nla_put_failure:
2984         kfree_skb(msg);
2985         return -ENOBUFS;
2986 }
2987
2988 static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
2989                                  struct wireless_dev *wdev,
2990                                  const void *data, int data_len)
2991 {
2992         struct wil6210_priv *wil = wdev_to_wil(wdev);
2993         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
2994         int rc, tmp;
2995         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
2996         struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
2997         u16 sector_index, rf_module_index;
2998         u8 sector_type;
2999         u32 rf_modules_vec = 0;
3000         struct wmi_set_rf_sector_params_cmd cmd;
3001         struct {
3002                 struct wmi_cmd_hdr wmi;
3003                 struct wmi_set_rf_sector_params_done_event evt;
3004         } __packed reply = {
3005                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3006         };
3007         struct nlattr *nl_cfg;
3008         struct wmi_rf_sector_info *si;
3009
3010         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3011                 return -EOPNOTSUPP;
3012
3013         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3014                                   data_len, wil_rf_sector_policy, NULL);
3015         if (rc) {
3016                 wil_err(wil, "Invalid rf sector ATTR\n");
3017                 return rc;
3018         }
3019
3020         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3021             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
3022             !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
3023                 wil_err(wil, "Invalid rf sector spec\n");
3024                 return -EINVAL;
3025         }
3026
3027         sector_index = nla_get_u16(
3028                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3029         if (sector_index >= WIL_MAX_RF_SECTORS) {
3030                 wil_err(wil, "Invalid sector index %d\n", sector_index);
3031                 return -EINVAL;
3032         }
3033
3034         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3035         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3036                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3037                 return -EINVAL;
3038         }
3039
3040         memset(&cmd, 0, sizeof(cmd));
3041
3042         cmd.sector_idx = cpu_to_le16(sector_index);
3043         cmd.sector_type = sector_type;
3044         nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
3045                             tmp) {
3046                 rc = nla_parse_nested_deprecated(tb2,
3047                                                  QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
3048                                                  nl_cfg,
3049                                                  wil_rf_sector_cfg_policy,
3050                                                  NULL);
3051                 if (rc) {
3052                         wil_err(wil, "invalid sector cfg\n");
3053                         return -EINVAL;
3054                 }
3055
3056                 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
3057                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
3058                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
3059                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
3060                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
3061                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
3062                     !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
3063                         wil_err(wil, "missing cfg params\n");
3064                         return -EINVAL;
3065                 }
3066
3067                 rf_module_index = nla_get_u8(
3068                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
3069                 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
3070                         wil_err(wil, "invalid RF module index %d\n",
3071                                 rf_module_index);
3072                         return -EINVAL;
3073                 }
3074                 rf_modules_vec |= BIT(rf_module_index);
3075                 si = &cmd.sectors_info[rf_module_index];
3076                 si->etype0 = cpu_to_le32(nla_get_u32(
3077                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
3078                 si->etype1 = cpu_to_le32(nla_get_u32(
3079                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
3080                 si->etype2 = cpu_to_le32(nla_get_u32(
3081                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
3082                 si->psh_hi = cpu_to_le32(nla_get_u32(
3083                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
3084                 si->psh_lo = cpu_to_le32(nla_get_u32(
3085                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
3086                 si->dtype_swch_off = cpu_to_le32(nla_get_u32(
3087                         tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
3088         }
3089
3090         cmd.rf_modules_vec = rf_modules_vec & 0xFF;
3091         rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
3092                       &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
3093                       &reply, sizeof(reply),
3094                       500);
3095         if (rc)
3096                 return rc;
3097         return wil_rf_sector_status_to_rc(reply.evt.status);
3098 }
3099
3100 static int wil_rf_sector_get_selected(struct wiphy *wiphy,
3101                                       struct wireless_dev *wdev,
3102                                       const void *data, int data_len)
3103 {
3104         struct wil6210_priv *wil = wdev_to_wil(wdev);
3105         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3106         int rc;
3107         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3108         u8 sector_type, mac_addr[ETH_ALEN];
3109         int cid = 0;
3110         struct wmi_get_selected_rf_sector_index_cmd cmd;
3111         struct {
3112                 struct wmi_cmd_hdr wmi;
3113                 struct wmi_get_selected_rf_sector_index_done_event evt;
3114         } __packed reply = {
3115                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3116         };
3117         struct sk_buff *msg;
3118
3119         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3120                 return -EOPNOTSUPP;
3121
3122         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3123                                   data_len, wil_rf_sector_policy, NULL);
3124         if (rc) {
3125                 wil_err(wil, "Invalid rf sector ATTR\n");
3126                 return rc;
3127         }
3128
3129         if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3130                 wil_err(wil, "Invalid rf sector spec\n");
3131                 return -EINVAL;
3132         }
3133         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3134         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3135                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3136                 return -EINVAL;
3137         }
3138
3139         if (tb[QCA_ATTR_MAC_ADDR]) {
3140                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3141                 cid = wil_find_cid(wil, vif->mid, mac_addr);
3142                 if (cid < 0) {
3143                         wil_err(wil, "invalid MAC address %pM\n", mac_addr);
3144                         return -ENOENT;
3145                 }
3146         } else {
3147                 if (test_bit(wil_vif_fwconnected, vif->status)) {
3148                         wil_err(wil, "must specify MAC address when connected\n");
3149                         return -EINVAL;
3150                 }
3151         }
3152
3153         memset(&cmd, 0, sizeof(cmd));
3154         cmd.cid = (u8)cid;
3155         cmd.sector_type = sector_type;
3156         rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
3157                       &cmd, sizeof(cmd),
3158                       WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3159                       &reply, sizeof(reply),
3160                       500);
3161         if (rc)
3162                 return rc;
3163         if (reply.evt.status) {
3164                 wil_err(wil, "get rf selected sector cfg failed with status %d\n",
3165                         reply.evt.status);
3166                 return wil_rf_sector_status_to_rc(reply.evt.status);
3167         }
3168
3169         msg = cfg80211_vendor_cmd_alloc_reply_skb(
3170                 wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
3171         if (!msg)
3172                 return -ENOMEM;
3173
3174         if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
3175                               le64_to_cpu(reply.evt.tsf),
3176                               QCA_ATTR_PAD) ||
3177             nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
3178                         le16_to_cpu(reply.evt.sector_idx)))
3179                 goto nla_put_failure;
3180
3181         rc = cfg80211_vendor_cmd_reply(msg);
3182         return rc;
3183 nla_put_failure:
3184         kfree_skb(msg);
3185         return -ENOBUFS;
3186 }
3187
3188 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
3189                                           u8 mid, u16 sector_index,
3190                                           u8 sector_type, u8 cid)
3191 {
3192         struct wmi_set_selected_rf_sector_index_cmd cmd;
3193         struct {
3194                 struct wmi_cmd_hdr wmi;
3195                 struct wmi_set_selected_rf_sector_index_done_event evt;
3196         } __packed reply = {
3197                 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
3198         };
3199         int rc;
3200
3201         memset(&cmd, 0, sizeof(cmd));
3202         cmd.sector_idx = cpu_to_le16(sector_index);
3203         cmd.sector_type = sector_type;
3204         cmd.cid = (u8)cid;
3205         rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
3206                       &cmd, sizeof(cmd),
3207                       WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
3208                       &reply, sizeof(reply),
3209                       500);
3210         if (rc)
3211                 return rc;
3212         return wil_rf_sector_status_to_rc(reply.evt.status);
3213 }
3214
3215 static int wil_rf_sector_set_selected(struct wiphy *wiphy,
3216                                       struct wireless_dev *wdev,
3217                                       const void *data, int data_len)
3218 {
3219         struct wil6210_priv *wil = wdev_to_wil(wdev);
3220         struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
3221         int rc;
3222         struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
3223         u16 sector_index;
3224         u8 sector_type, mac_addr[ETH_ALEN], i;
3225         int cid = 0;
3226
3227         if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
3228                 return -EOPNOTSUPP;
3229
3230         rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data,
3231                                   data_len, wil_rf_sector_policy, NULL);
3232         if (rc) {
3233                 wil_err(wil, "Invalid rf sector ATTR\n");
3234                 return rc;
3235         }
3236
3237         if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
3238             !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
3239                 wil_err(wil, "Invalid rf sector spec\n");
3240                 return -EINVAL;
3241         }
3242
3243         sector_index = nla_get_u16(
3244                 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
3245         if (sector_index >= WIL_MAX_RF_SECTORS &&
3246             sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3247                 wil_err(wil, "Invalid sector index %d\n", sector_index);
3248                 return -EINVAL;
3249         }
3250
3251         sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
3252         if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
3253                 wil_err(wil, "Invalid sector type %d\n", sector_type);
3254                 return -EINVAL;
3255         }
3256
3257         if (tb[QCA_ATTR_MAC_ADDR]) {
3258                 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
3259                 if (!is_broadcast_ether_addr(mac_addr)) {
3260                         cid = wil_find_cid(wil, vif->mid, mac_addr);
3261                         if (cid < 0) {
3262                                 wil_err(wil, "invalid MAC address %pM\n",
3263                                         mac_addr);
3264                                 return -ENOENT;
3265                         }
3266                 } else {
3267                         if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
3268                                 wil_err(wil, "broadcast MAC valid only with unlocking\n");
3269                                 return -EINVAL;
3270                         }
3271                         cid = -1;
3272                 }
3273         } else {
3274                 if (test_bit(wil_vif_fwconnected, vif->status)) {
3275                         wil_err(wil, "must specify MAC address when connected\n");
3276                         return -EINVAL;
3277                 }
3278                 /* otherwise, using cid=0 for unassociated station */
3279         }
3280
3281         if (cid >= 0) {
3282                 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
3283                                                     sector_type, cid);
3284         } else {
3285                 /* unlock all cids */
3286                 rc = wil_rf_sector_wmi_set_selected(
3287                         wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
3288                         sector_type, WIL_CID_ALL);
3289                 if (rc == -EINVAL) {
3290                         for (i = 0; i < wil->max_assoc_sta; i++) {
3291                                 if (wil->sta[i].mid != vif->mid)
3292                                         continue;
3293                                 rc = wil_rf_sector_wmi_set_selected(
3294                                         wil, vif->mid,
3295                                         WMI_INVALID_RF_SECTOR_INDEX,
3296                                         sector_type, i);
3297                                 /* the FW will silently ignore and return
3298                                  * success for unused cid, so abort the loop
3299                                  * on any other error
3300                                  */
3301                                 if (rc) {
3302                                         wil_err(wil, "unlock cid %d failed with status %d\n",
3303                                                 i, rc);
3304                                         break;
3305                                 }
3306                         }
3307                 }
3308         }
3309
3310         return rc;
3311 }