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