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