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 struct { 896 struct wmi_start_scan_cmd cmd; 897 u16 chnl[4]; 898 } __packed cmd; 899 uint i, n; 900 int rc; 901 902 wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 903 904 /* scan is supported on client interfaces and on AP interface */ 905 switch (wdev->iftype) { 906 case NL80211_IFTYPE_STATION: 907 case NL80211_IFTYPE_P2P_CLIENT: 908 case NL80211_IFTYPE_P2P_DEVICE: 909 case NL80211_IFTYPE_AP: 910 break; 911 default: 912 return -EOPNOTSUPP; 913 } 914 915 /* FW don't support scan after connection attempt */ 916 if (test_bit(wil_status_dontscan, wil->status)) { 917 wil_err(wil, "Can't scan now\n"); 918 return -EBUSY; 919 } 920 921 mutex_lock(&wil->mutex); 922 923 mutex_lock(&wil->vif_mutex); 924 if (vif->scan_request || vif->p2p.discovery_started) { 925 wil_err(wil, "Already scanning\n"); 926 mutex_unlock(&wil->vif_mutex); 927 rc = -EAGAIN; 928 goto out; 929 } 930 mutex_unlock(&wil->vif_mutex); 931 932 if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { 933 if (!wil->p2p_dev_started) { 934 wil_err(wil, "P2P search requested on stopped P2P device\n"); 935 rc = -EIO; 936 goto out; 937 } 938 /* social scan on P2P_DEVICE is handled as p2p search */ 939 if (wil_p2p_is_social_scan(request)) { 940 vif->scan_request = request; 941 if (vif->mid == 0) 942 wil->radio_wdev = wdev; 943 rc = wil_p2p_search(vif, request); 944 if (rc) { 945 if (vif->mid == 0) 946 wil->radio_wdev = 947 wil->main_ndev->ieee80211_ptr; 948 vif->scan_request = NULL; 949 } 950 goto out; 951 } 952 } 953 954 (void)wil_p2p_stop_discovery(vif); 955 956 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 957 wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); 958 959 for (i = 0; i < request->n_ssids; i++) { 960 wil_dbg_misc(wil, "SSID[%d]", i); 961 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 962 request->ssids[i].ssid, 963 request->ssids[i].ssid_len, true); 964 } 965 966 if (request->n_ssids) 967 rc = wmi_set_ssid(vif, request->ssids[0].ssid_len, 968 request->ssids[0].ssid); 969 else 970 rc = wmi_set_ssid(vif, 0, NULL); 971 972 if (rc) { 973 wil_err(wil, "set SSID for scan request failed: %d\n", rc); 974 goto out; 975 } 976 977 vif->scan_request = request; 978 mod_timer(&vif->scan_timer, jiffies + WIL6210_SCAN_TO); 979 980 memset(&cmd, 0, sizeof(cmd)); 981 cmd.cmd.scan_type = WMI_ACTIVE_SCAN; 982 cmd.cmd.num_channels = 0; 983 n = min(request->n_channels, 4U); 984 for (i = 0; i < n; i++) { 985 int ch = request->channels[i]->hw_value; 986 987 if (ch == 0) { 988 wil_err(wil, 989 "Scan requested for unknown frequency %dMhz\n", 990 request->channels[i]->center_freq); 991 continue; 992 } 993 /* 0-based channel indexes */ 994 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 995 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 996 request->channels[i]->center_freq); 997 } 998 999 if (request->ie_len) 1000 wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, 1001 request->ie, request->ie_len, true); 1002 else 1003 wil_dbg_misc(wil, "Scan has no IE's\n"); 1004 1005 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 1006 request->ie_len, request->ie); 1007 if (rc) 1008 goto out_restore; 1009 1010 if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { 1011 cmd.cmd.discovery_mode = 1; 1012 wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); 1013 } 1014 1015 if (vif->mid == 0) 1016 wil->radio_wdev = wdev; 1017 rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid, 1018 &cmd, sizeof(cmd.cmd) + 1019 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 1020 1021 out_restore: 1022 if (rc) { 1023 del_timer_sync(&vif->scan_timer); 1024 if (vif->mid == 0) 1025 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 1026 vif->scan_request = NULL; 1027 } 1028 out: 1029 mutex_unlock(&wil->mutex); 1030 return rc; 1031 } 1032 1033 static void wil_cfg80211_abort_scan(struct wiphy *wiphy, 1034 struct wireless_dev *wdev) 1035 { 1036 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1037 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1038 1039 wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); 1040 1041 mutex_lock(&wil->mutex); 1042 mutex_lock(&wil->vif_mutex); 1043 1044 if (!vif->scan_request) 1045 goto out; 1046 1047 if (wdev != vif->scan_request->wdev) { 1048 wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); 1049 goto out; 1050 } 1051 1052 if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev) 1053 wil_p2p_stop_radio_operations(wil); 1054 else 1055 wil_abort_scan(vif, true); 1056 1057 out: 1058 mutex_unlock(&wil->vif_mutex); 1059 mutex_unlock(&wil->mutex); 1060 } 1061 1062 static void wil_print_crypto(struct wil6210_priv *wil, 1063 struct cfg80211_crypto_settings *c) 1064 { 1065 int i, n; 1066 1067 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 1068 c->wpa_versions, c->cipher_group); 1069 wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); 1070 n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); 1071 for (i = 0; i < n; i++) 1072 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 1073 c->ciphers_pairwise[i]); 1074 wil_dbg_misc(wil, "}\n"); 1075 wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); 1076 n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); 1077 for (i = 0; i < n; i++) 1078 wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, 1079 c->akm_suites[i]); 1080 wil_dbg_misc(wil, "}\n"); 1081 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 1082 c->control_port, be16_to_cpu(c->control_port_ethertype), 1083 c->control_port_no_encrypt); 1084 } 1085 1086 static const char * 1087 wil_get_auth_type_name(enum nl80211_auth_type auth_type) 1088 { 1089 switch (auth_type) { 1090 case NL80211_AUTHTYPE_OPEN_SYSTEM: 1091 return "OPEN_SYSTEM"; 1092 case NL80211_AUTHTYPE_SHARED_KEY: 1093 return "SHARED_KEY"; 1094 case NL80211_AUTHTYPE_FT: 1095 return "FT"; 1096 case NL80211_AUTHTYPE_NETWORK_EAP: 1097 return "NETWORK_EAP"; 1098 case NL80211_AUTHTYPE_SAE: 1099 return "SAE"; 1100 case NL80211_AUTHTYPE_AUTOMATIC: 1101 return "AUTOMATIC"; 1102 default: 1103 return "unknown"; 1104 } 1105 } 1106 static void wil_print_connect_params(struct wil6210_priv *wil, 1107 struct cfg80211_connect_params *sme) 1108 { 1109 wil_info(wil, "Connecting to:\n"); 1110 if (sme->channel) { 1111 wil_info(wil, " Channel: %d freq %d\n", 1112 sme->channel->hw_value, sme->channel->center_freq); 1113 } 1114 if (sme->bssid) 1115 wil_info(wil, " BSSID: %pM\n", sme->bssid); 1116 if (sme->ssid) 1117 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 1118 16, 1, sme->ssid, sme->ssid_len, true); 1119 if (sme->prev_bssid) 1120 wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid); 1121 wil_info(wil, " Auth Type: %s\n", 1122 wil_get_auth_type_name(sme->auth_type)); 1123 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 1124 wil_info(wil, " PBSS: %d\n", sme->pbss); 1125 wil_print_crypto(wil, &sme->crypto); 1126 } 1127 1128 static int wil_ft_connect(struct wiphy *wiphy, 1129 struct net_device *ndev, 1130 struct cfg80211_connect_params *sme) 1131 { 1132 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1133 struct wil6210_vif *vif = ndev_to_vif(ndev); 1134 struct wmi_ft_auth_cmd auth_cmd; 1135 int rc; 1136 1137 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 1138 wil_err(wil, "FT: FW does not support FT roaming\n"); 1139 return -EOPNOTSUPP; 1140 } 1141 1142 if (!sme->prev_bssid) { 1143 wil_err(wil, "FT: prev_bssid was not set\n"); 1144 return -EINVAL; 1145 } 1146 1147 if (ether_addr_equal(sme->prev_bssid, sme->bssid)) { 1148 wil_err(wil, "FT: can not roam to same AP\n"); 1149 return -EINVAL; 1150 } 1151 1152 if (!test_bit(wil_vif_fwconnected, vif->status)) { 1153 wil_err(wil, "FT: roam while not connected\n"); 1154 return -EINVAL; 1155 } 1156 1157 if (vif->privacy != sme->privacy) { 1158 wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n", 1159 vif->privacy, sme->privacy); 1160 return -EINVAL; 1161 } 1162 1163 if (sme->pbss) { 1164 wil_err(wil, "FT: roam is not valid for PBSS\n"); 1165 return -EINVAL; 1166 } 1167 1168 memset(&auth_cmd, 0, sizeof(auth_cmd)); 1169 auth_cmd.channel = sme->channel->hw_value - 1; 1170 ether_addr_copy(auth_cmd.bssid, sme->bssid); 1171 1172 wil_info(wil, "FT: roaming\n"); 1173 1174 set_bit(wil_vif_ft_roam, vif->status); 1175 rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid, 1176 &auth_cmd, sizeof(auth_cmd)); 1177 if (rc == 0) 1178 mod_timer(&vif->connect_timer, 1179 jiffies + msecs_to_jiffies(5000)); 1180 else 1181 clear_bit(wil_vif_ft_roam, vif->status); 1182 1183 return rc; 1184 } 1185 1186 static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config, 1187 u8 edmg_channels, u8 *wmi_ch) 1188 { 1189 if (!edmg_bw_config) { 1190 *wmi_ch = 0; 1191 return 0; 1192 } else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) { 1193 /* convert from edmg channel bitmap into edmg channel number */ 1194 switch (edmg_channels) { 1195 case WIL_EDMG_CHANNEL_9_SUBCHANNELS: 1196 return wil_spec2wmi_ch(9, wmi_ch); 1197 case WIL_EDMG_CHANNEL_10_SUBCHANNELS: 1198 return wil_spec2wmi_ch(10, wmi_ch); 1199 case WIL_EDMG_CHANNEL_11_SUBCHANNELS: 1200 return wil_spec2wmi_ch(11, wmi_ch); 1201 default: 1202 wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n", 1203 edmg_channels); 1204 return -EINVAL; 1205 } 1206 } else { 1207 wil_err(wil, "Unsupported EDMG BW configuration %d\n", 1208 edmg_bw_config); 1209 return -EINVAL; 1210 } 1211 } 1212 1213 static int wil_cfg80211_connect(struct wiphy *wiphy, 1214 struct net_device *ndev, 1215 struct cfg80211_connect_params *sme) 1216 { 1217 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1218 struct wil6210_vif *vif = ndev_to_vif(ndev); 1219 struct cfg80211_bss *bss; 1220 struct wmi_connect_cmd conn; 1221 const u8 *ssid_eid; 1222 const u8 *rsn_eid; 1223 int ch; 1224 int rc = 0; 1225 bool is_ft_roam = false; 1226 u8 network_type; 1227 enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; 1228 1229 wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid); 1230 wil_print_connect_params(wil, sme); 1231 1232 if (sme->auth_type == NL80211_AUTHTYPE_FT) 1233 is_ft_roam = true; 1234 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC && 1235 test_bit(wil_vif_fwconnected, vif->status)) 1236 is_ft_roam = true; 1237 1238 if (!is_ft_roam) 1239 if (test_bit(wil_vif_fwconnecting, vif->status) || 1240 test_bit(wil_vif_fwconnected, vif->status)) 1241 return -EALREADY; 1242 1243 if (sme->ie_len > WMI_MAX_IE_LEN) { 1244 wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); 1245 return -ERANGE; 1246 } 1247 1248 rsn_eid = sme->ie ? 1249 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 1250 NULL; 1251 if (sme->privacy && !rsn_eid) { 1252 wil_info(wil, "WSC connection\n"); 1253 if (is_ft_roam) { 1254 wil_err(wil, "No WSC with FT roam\n"); 1255 return -EINVAL; 1256 } 1257 } 1258 1259 if (sme->pbss) 1260 bss_type = IEEE80211_BSS_TYPE_PBSS; 1261 1262 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 1263 sme->ssid, sme->ssid_len, 1264 bss_type, IEEE80211_PRIVACY_ANY); 1265 if (!bss) { 1266 wil_err(wil, "Unable to find BSS\n"); 1267 return -ENOENT; 1268 } 1269 1270 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 1271 if (!ssid_eid) { 1272 wil_err(wil, "No SSID\n"); 1273 rc = -ENOENT; 1274 goto out; 1275 } 1276 vif->privacy = sme->privacy; 1277 vif->pbss = sme->pbss; 1278 1279 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 1280 if (rc) 1281 goto out; 1282 1283 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 1284 case WLAN_CAPABILITY_DMG_TYPE_AP: 1285 network_type = WMI_NETTYPE_INFRA; 1286 break; 1287 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 1288 network_type = WMI_NETTYPE_P2P; 1289 break; 1290 default: 1291 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 1292 bss->capability); 1293 rc = -EINVAL; 1294 goto out; 1295 } 1296 1297 ch = bss->channel->hw_value; 1298 if (ch == 0) { 1299 wil_err(wil, "BSS at unknown frequency %dMhz\n", 1300 bss->channel->center_freq); 1301 rc = -EOPNOTSUPP; 1302 goto out; 1303 } 1304 1305 if (is_ft_roam) { 1306 if (network_type != WMI_NETTYPE_INFRA) { 1307 wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n", 1308 bss->capability); 1309 rc = -EINVAL; 1310 goto out; 1311 } 1312 rc = wil_ft_connect(wiphy, ndev, sme); 1313 if (rc == 0) 1314 vif->bss = bss; 1315 goto out; 1316 } 1317 1318 if (vif->privacy) { 1319 /* For secure assoc, remove old keys */ 1320 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1321 WMI_KEY_USE_PAIRWISE); 1322 if (rc) { 1323 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 1324 goto out; 1325 } 1326 rc = wmi_del_cipher_key(vif, 0, bss->bssid, 1327 WMI_KEY_USE_RX_GROUP); 1328 if (rc) { 1329 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 1330 goto out; 1331 } 1332 } 1333 1334 /* WMI_CONNECT_CMD */ 1335 memset(&conn, 0, sizeof(conn)); 1336 conn.network_type = network_type; 1337 if (vif->privacy) { 1338 if (rsn_eid) { /* regular secure connection */ 1339 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 1340 conn.auth_mode = WMI_AUTH_WPA2_PSK; 1341 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 1342 conn.pairwise_crypto_len = 16; 1343 conn.group_crypto_type = WMI_CRYPT_AES_GCMP; 1344 conn.group_crypto_len = 16; 1345 } else { /* WSC */ 1346 conn.dot11_auth_mode = WMI_AUTH11_WSC; 1347 conn.auth_mode = WMI_AUTH_NONE; 1348 } 1349 } else { /* insecure connection */ 1350 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 1351 conn.auth_mode = WMI_AUTH_NONE; 1352 } 1353 1354 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 1355 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 1356 conn.channel = ch - 1; 1357 1358 rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config, 1359 sme->edmg.channels, &conn.edmg_channel); 1360 if (rc < 0) 1361 return rc; 1362 1363 ether_addr_copy(conn.bssid, bss->bssid); 1364 ether_addr_copy(conn.dst_mac, bss->bssid); 1365 1366 set_bit(wil_vif_fwconnecting, vif->status); 1367 1368 rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn)); 1369 if (rc == 0) { 1370 netif_carrier_on(ndev); 1371 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 1372 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 1373 vif->bss = bss; 1374 /* Connect can take lots of time */ 1375 mod_timer(&vif->connect_timer, 1376 jiffies + msecs_to_jiffies(5000)); 1377 } else { 1378 clear_bit(wil_vif_fwconnecting, vif->status); 1379 } 1380 1381 out: 1382 cfg80211_put_bss(wiphy, bss); 1383 1384 return rc; 1385 } 1386 1387 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 1388 struct net_device *ndev, 1389 u16 reason_code) 1390 { 1391 int rc; 1392 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1393 struct wil6210_vif *vif = ndev_to_vif(ndev); 1394 1395 wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n", 1396 reason_code, vif->mid); 1397 1398 if (!(test_bit(wil_vif_fwconnecting, vif->status) || 1399 test_bit(wil_vif_fwconnected, vif->status))) { 1400 wil_err(wil, "Disconnect was called while disconnected\n"); 1401 return 0; 1402 } 1403 1404 vif->locally_generated_disc = true; 1405 rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0, 1406 WMI_DISCONNECT_EVENTID, NULL, 0, 1407 WIL6210_DISCONNECT_TO_MS); 1408 if (rc) 1409 wil_err(wil, "disconnect error %d\n", rc); 1410 1411 return rc; 1412 } 1413 1414 static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1415 { 1416 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1417 int rc; 1418 1419 /* these parameters are explicitly not supported */ 1420 if (changed & (WIPHY_PARAM_RETRY_LONG | 1421 WIPHY_PARAM_FRAG_THRESHOLD | 1422 WIPHY_PARAM_RTS_THRESHOLD)) 1423 return -ENOTSUPP; 1424 1425 if (changed & WIPHY_PARAM_RETRY_SHORT) { 1426 rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); 1427 if (rc) 1428 return rc; 1429 } 1430 1431 return 0; 1432 } 1433 1434 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 1435 struct cfg80211_mgmt_tx_params *params, 1436 u64 *cookie) 1437 { 1438 const u8 *buf = params->buf; 1439 size_t len = params->len; 1440 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1441 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1442 int rc; 1443 bool tx_status; 1444 1445 wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n", 1446 params->chan ? params->chan->hw_value : -1, 1447 params->offchan, 1448 params->wait); 1449 1450 /* Note, currently we support the "wait" parameter only on AP mode. 1451 * In other modes, user-space must call remain_on_channel before 1452 * mgmt_tx or listen on a channel other than active one. 1453 */ 1454 1455 if (params->chan && params->chan->hw_value == 0) { 1456 wil_err(wil, "invalid channel\n"); 1457 return -EINVAL; 1458 } 1459 1460 if (wdev->iftype != NL80211_IFTYPE_AP) { 1461 wil_dbg_misc(wil, 1462 "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n"); 1463 rc = wmi_mgmt_tx(vif, buf, len); 1464 goto out; 1465 } 1466 1467 if (!params->chan || params->chan->hw_value == vif->channel) { 1468 wil_dbg_misc(wil, 1469 "send WMI_SW_TX_REQ_CMDID for on-channel\n"); 1470 rc = wmi_mgmt_tx(vif, buf, len); 1471 goto out; 1472 } 1473 1474 if (params->offchan == 0) { 1475 wil_err(wil, 1476 "invalid channel params: current %d requested %d, off-channel not allowed\n", 1477 vif->channel, params->chan->hw_value); 1478 return -EBUSY; 1479 } 1480 1481 /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */ 1482 rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value, 1483 params->wait); 1484 1485 out: 1486 /* when the sent packet was not acked by receiver(ACK=0), rc will 1487 * be -EAGAIN. In this case this function needs to return success, 1488 * the ACK=0 will be reflected in tx_status. 1489 */ 1490 tx_status = (rc == 0); 1491 rc = (rc == -EAGAIN) ? 0 : rc; 1492 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 1493 tx_status, GFP_KERNEL); 1494 1495 return rc; 1496 } 1497 1498 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 1499 struct cfg80211_chan_def *chandef) 1500 { 1501 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1502 1503 wil->monitor_chandef = *chandef; 1504 1505 return 0; 1506 } 1507 1508 static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev, 1509 bool pairwise) 1510 { 1511 struct wil6210_priv *wil = wdev_to_wil(wdev); 1512 enum wmi_key_usage rc; 1513 1514 if (pairwise) { 1515 rc = WMI_KEY_USE_PAIRWISE; 1516 } else { 1517 switch (wdev->iftype) { 1518 case NL80211_IFTYPE_STATION: 1519 case NL80211_IFTYPE_P2P_CLIENT: 1520 rc = WMI_KEY_USE_RX_GROUP; 1521 break; 1522 case NL80211_IFTYPE_AP: 1523 case NL80211_IFTYPE_P2P_GO: 1524 rc = WMI_KEY_USE_TX_GROUP; 1525 break; 1526 default: 1527 /* TODO: Rx GTK or Tx GTK? */ 1528 wil_err(wil, "Can't determine GTK type\n"); 1529 rc = WMI_KEY_USE_RX_GROUP; 1530 break; 1531 } 1532 } 1533 wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); 1534 1535 return rc; 1536 } 1537 1538 static struct wil_sta_info * 1539 wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid, 1540 enum wmi_key_usage key_usage, const u8 *mac_addr) 1541 { 1542 int cid = -EINVAL; 1543 1544 if (key_usage == WMI_KEY_USE_TX_GROUP) 1545 return NULL; /* not needed */ 1546 1547 /* supplicant provides Rx group key in STA mode with NULL MAC address */ 1548 if (mac_addr) 1549 cid = wil_find_cid(wil, mid, mac_addr); 1550 else if (key_usage == WMI_KEY_USE_RX_GROUP) 1551 cid = wil_find_cid_by_idx(wil, mid, 0); 1552 if (cid < 0) { 1553 wil_err(wil, "No CID for %pM %s\n", mac_addr, 1554 key_usage_str[key_usage]); 1555 return ERR_PTR(cid); 1556 } 1557 1558 return &wil->sta[cid]; 1559 } 1560 1561 void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, 1562 struct wil_sta_info *cs, 1563 struct key_params *params) 1564 { 1565 struct wil_tid_crypto_rx_single *cc; 1566 int tid; 1567 1568 if (!cs) 1569 return; 1570 1571 switch (key_usage) { 1572 case WMI_KEY_USE_STORE_PTK: 1573 case WMI_KEY_USE_PAIRWISE: 1574 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1575 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1576 if (params->seq) 1577 memcpy(cc->pn, params->seq, 1578 IEEE80211_GCMP_PN_LEN); 1579 else 1580 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1581 cc->key_set = true; 1582 } 1583 break; 1584 case WMI_KEY_USE_RX_GROUP: 1585 cc = &cs->group_crypto_rx.key_id[key_index]; 1586 if (params->seq) 1587 memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); 1588 else 1589 memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); 1590 cc->key_set = true; 1591 break; 1592 default: 1593 break; 1594 } 1595 } 1596 1597 static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, 1598 struct wil_sta_info *cs) 1599 { 1600 struct wil_tid_crypto_rx_single *cc; 1601 int tid; 1602 1603 if (!cs) 1604 return; 1605 1606 switch (key_usage) { 1607 case WMI_KEY_USE_PAIRWISE: 1608 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { 1609 cc = &cs->tid_crypto_rx[tid].key_id[key_index]; 1610 cc->key_set = false; 1611 } 1612 break; 1613 case WMI_KEY_USE_RX_GROUP: 1614 cc = &cs->group_crypto_rx.key_id[key_index]; 1615 cc->key_set = false; 1616 break; 1617 default: 1618 break; 1619 } 1620 } 1621 1622 static int wil_cfg80211_add_key(struct wiphy *wiphy, 1623 struct net_device *ndev, int link_id, 1624 u8 key_index, bool pairwise, 1625 const u8 *mac_addr, 1626 struct key_params *params) 1627 { 1628 int rc; 1629 struct wil6210_vif *vif = ndev_to_vif(ndev); 1630 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1631 struct wireless_dev *wdev = vif_to_wdev(vif); 1632 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1633 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1634 key_usage, 1635 mac_addr); 1636 1637 if (!params) { 1638 wil_err(wil, "NULL params\n"); 1639 return -EINVAL; 1640 } 1641 1642 wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", 1643 mac_addr, key_usage_str[key_usage], key_index, 1644 params->seq_len, params->seq); 1645 1646 if (IS_ERR(cs)) { 1647 /* in FT, sta info may not be available as add_key may be 1648 * sent by host before FW sends WMI_CONNECT_EVENT 1649 */ 1650 if (!test_bit(wil_vif_ft_roam, vif->status)) { 1651 wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", 1652 mac_addr, key_usage_str[key_usage], key_index, 1653 params->seq_len, params->seq); 1654 return -EINVAL; 1655 } 1656 } else { 1657 wil_del_rx_key(key_index, key_usage, cs); 1658 } 1659 1660 if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { 1661 wil_err(wil, 1662 "Wrong PN len %d, %pM %s[%d] PN %*phN\n", 1663 params->seq_len, mac_addr, 1664 key_usage_str[key_usage], key_index, 1665 params->seq_len, params->seq); 1666 return -EINVAL; 1667 } 1668 1669 spin_lock_bh(&wil->eap_lock); 1670 if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION && 1671 (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED || 1672 vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) { 1673 key_usage = WMI_KEY_USE_STORE_PTK; 1674 vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT; 1675 wil_dbg_misc(wil, "Store EAPOL key\n"); 1676 } 1677 spin_unlock_bh(&wil->eap_lock); 1678 1679 rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, 1680 params->key, key_usage); 1681 if (!rc && !IS_ERR(cs)) { 1682 /* update local storage used for AP recovery */ 1683 if (key_usage == WMI_KEY_USE_TX_GROUP && params->key && 1684 params->key_len <= WMI_MAX_KEY_LEN) { 1685 vif->gtk_index = key_index; 1686 memcpy(vif->gtk, params->key, params->key_len); 1687 vif->gtk_len = params->key_len; 1688 } 1689 /* in FT set crypto will take place upon receiving 1690 * WMI_RING_EN_EVENTID event 1691 */ 1692 wil_set_crypto_rx(key_index, key_usage, cs, params); 1693 } 1694 1695 return rc; 1696 } 1697 1698 static int wil_cfg80211_del_key(struct wiphy *wiphy, 1699 struct net_device *ndev, int link_id, 1700 u8 key_index, bool pairwise, 1701 const u8 *mac_addr) 1702 { 1703 struct wil6210_vif *vif = ndev_to_vif(ndev); 1704 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1705 struct wireless_dev *wdev = vif_to_wdev(vif); 1706 enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); 1707 struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, 1708 key_usage, 1709 mac_addr); 1710 1711 wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, 1712 key_usage_str[key_usage], key_index); 1713 1714 if (IS_ERR(cs)) 1715 wil_info(wil, "Not connected, %pM %s[%d]\n", 1716 mac_addr, key_usage_str[key_usage], key_index); 1717 1718 if (!IS_ERR_OR_NULL(cs)) 1719 wil_del_rx_key(key_index, key_usage, cs); 1720 1721 return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); 1722 } 1723 1724 /* Need to be present or wiphy_new() will WARN */ 1725 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 1726 struct net_device *ndev, int link_id, 1727 u8 key_index, bool unicast, 1728 bool multicast) 1729 { 1730 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1731 1732 wil_dbg_misc(wil, "set_default_key: entered\n"); 1733 return 0; 1734 } 1735 1736 static int wil_remain_on_channel(struct wiphy *wiphy, 1737 struct wireless_dev *wdev, 1738 struct ieee80211_channel *chan, 1739 unsigned int duration, 1740 u64 *cookie) 1741 { 1742 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1743 int rc; 1744 1745 wil_dbg_misc(wil, 1746 "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", 1747 chan->center_freq, duration, wdev->iftype); 1748 1749 rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); 1750 return rc; 1751 } 1752 1753 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 1754 struct wireless_dev *wdev, 1755 u64 cookie) 1756 { 1757 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1758 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 1759 1760 wil_dbg_misc(wil, "cancel_remain_on_channel\n"); 1761 1762 return wil_p2p_cancel_listen(vif, cookie); 1763 } 1764 1765 /* 1766 * find a specific IE in a list of IEs 1767 * return a pointer to the beginning of IE in the list 1768 * or NULL if not found 1769 */ 1770 static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, 1771 u16 ie_len) 1772 { 1773 struct ieee80211_vendor_ie *vie; 1774 u32 oui; 1775 1776 /* IE tag at offset 0, length at offset 1 */ 1777 if (ie_len < 2 || 2 + ie[1] > ie_len) 1778 return NULL; 1779 1780 if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) 1781 return cfg80211_find_ie(ie[0], ies, ies_len); 1782 1783 /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ 1784 if (ie[1] < 4) 1785 return NULL; 1786 vie = (struct ieee80211_vendor_ie *)ie; 1787 oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; 1788 return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, 1789 ies_len); 1790 } 1791 1792 /* 1793 * merge the IEs in two lists into a single list. 1794 * do not include IEs from the second list which exist in the first list. 1795 * add only vendor specific IEs from second list to keep 1796 * the merged list sorted (since vendor-specific IE has the 1797 * highest tag number) 1798 * caller must free the allocated memory for merged IEs 1799 */ 1800 static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, 1801 const u8 *ies2, u16 ies2_len, 1802 u8 **merged_ies, u16 *merged_len) 1803 { 1804 u8 *buf, *dpos; 1805 const u8 *spos; 1806 1807 if (!ies1) 1808 ies1_len = 0; 1809 1810 if (!ies2) 1811 ies2_len = 0; 1812 1813 if (ies1_len == 0 && ies2_len == 0) { 1814 *merged_ies = NULL; 1815 *merged_len = 0; 1816 return 0; 1817 } 1818 1819 buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); 1820 if (!buf) 1821 return -ENOMEM; 1822 if (ies1) 1823 memcpy(buf, ies1, ies1_len); 1824 dpos = buf + ies1_len; 1825 spos = ies2; 1826 while (spos && (spos + 1 < ies2 + ies2_len)) { 1827 /* IE tag at offset 0, length at offset 1 */ 1828 u16 ielen = 2 + spos[1]; 1829 1830 if (spos + ielen > ies2 + ies2_len) 1831 break; 1832 if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && 1833 (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len, 1834 spos, ielen))) { 1835 memcpy(dpos, spos, ielen); 1836 dpos += ielen; 1837 } 1838 spos += ielen; 1839 } 1840 1841 *merged_ies = buf; 1842 *merged_len = dpos - buf; 1843 return 0; 1844 } 1845 1846 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 1847 { 1848 wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, 1849 b->head, b->head_len, true); 1850 wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, 1851 b->tail, b->tail_len, true); 1852 wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, 1853 b->beacon_ies, b->beacon_ies_len, true); 1854 wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, 1855 b->probe_resp, b->probe_resp_len, true); 1856 wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, 1857 b->proberesp_ies, b->proberesp_ies_len, true); 1858 wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, 1859 b->assocresp_ies, b->assocresp_ies_len, true); 1860 } 1861 1862 /* internal functions for device reset and starting AP */ 1863 static u8 * 1864 _wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len, 1865 u16 *ies_len) 1866 { 1867 u8 *ies = NULL; 1868 1869 if (proberesp) { 1870 struct ieee80211_mgmt *f = 1871 (struct ieee80211_mgmt *)proberesp; 1872 size_t hlen = offsetof(struct ieee80211_mgmt, 1873 u.probe_resp.variable); 1874 1875 ies = f->u.probe_resp.variable; 1876 if (ies_len) 1877 *ies_len = proberesp_len - hlen; 1878 } 1879 1880 return ies; 1881 } 1882 1883 static int _wil_cfg80211_set_ies(struct wil6210_vif *vif, 1884 struct cfg80211_beacon_data *bcon) 1885 { 1886 int rc; 1887 u16 len = 0, proberesp_len = 0; 1888 u8 *ies = NULL, *proberesp; 1889 1890 /* update local storage used for AP recovery */ 1891 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp, 1892 bcon->probe_resp_len); 1893 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, 1894 bcon->proberesp_ies, bcon->proberesp_ies_len); 1895 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, 1896 bcon->assocresp_ies, bcon->assocresp_ies_len); 1897 1898 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1899 bcon->probe_resp_len, 1900 &proberesp_len); 1901 rc = _wil_cfg80211_merge_extra_ies(proberesp, 1902 proberesp_len, 1903 bcon->proberesp_ies, 1904 bcon->proberesp_ies_len, 1905 &ies, &len); 1906 1907 if (rc) 1908 goto out; 1909 1910 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_RESP, len, ies); 1911 if (rc) 1912 goto out; 1913 1914 if (bcon->assocresp_ies) 1915 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, 1916 bcon->assocresp_ies_len, bcon->assocresp_ies); 1917 else 1918 rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies); 1919 #if 0 /* to use beacon IE's, remove this #if 0 */ 1920 if (rc) 1921 goto out; 1922 1923 rc = wmi_set_ie(vif, WMI_FRAME_BEACON, 1924 bcon->tail_len, bcon->tail); 1925 #endif 1926 out: 1927 kfree(ies); 1928 return rc; 1929 } 1930 1931 static int _wil_cfg80211_start_ap(struct wiphy *wiphy, 1932 struct net_device *ndev, 1933 const u8 *ssid, size_t ssid_len, u32 privacy, 1934 int bi, u8 chan, u8 wmi_edmg_channel, 1935 struct cfg80211_beacon_data *bcon, 1936 u8 hidden_ssid, u32 pbss) 1937 { 1938 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 1939 struct wil6210_vif *vif = ndev_to_vif(ndev); 1940 int rc; 1941 struct wireless_dev *wdev = ndev->ieee80211_ptr; 1942 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 1943 u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); 1944 u16 proberesp_len = 0; 1945 u8 *proberesp; 1946 bool ft = false; 1947 1948 if (pbss) 1949 wmi_nettype = WMI_NETTYPE_P2P; 1950 1951 wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go); 1952 if (is_go && !pbss) { 1953 wil_err(wil, "P2P GO must be in PBSS\n"); 1954 return -ENOTSUPP; 1955 } 1956 1957 wil_set_recovery_state(wil, fw_recovery_idle); 1958 1959 proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, 1960 bcon->probe_resp_len, 1961 &proberesp_len); 1962 /* check that the probe response IEs has a MDE */ 1963 if ((proberesp && proberesp_len > 0 && 1964 cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN, 1965 proberesp, 1966 proberesp_len))) 1967 ft = true; 1968 1969 if (ft) { 1970 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, 1971 wil->fw_capabilities)) { 1972 wil_err(wil, "FW does not support FT roaming\n"); 1973 return -ENOTSUPP; 1974 } 1975 set_bit(wil_vif_ft_roam, vif->status); 1976 } 1977 1978 mutex_lock(&wil->mutex); 1979 1980 if (!wil_has_other_active_ifaces(wil, ndev, true, false)) { 1981 __wil_down(wil); 1982 rc = __wil_up(wil); 1983 if (rc) 1984 goto out; 1985 } 1986 1987 rc = wmi_set_ssid(vif, ssid_len, ssid); 1988 if (rc) 1989 goto out; 1990 1991 rc = _wil_cfg80211_set_ies(vif, bcon); 1992 if (rc) 1993 goto out; 1994 1995 vif->privacy = privacy; 1996 vif->channel = chan; 1997 vif->wmi_edmg_channel = wmi_edmg_channel; 1998 vif->hidden_ssid = hidden_ssid; 1999 vif->pbss = pbss; 2000 vif->bi = bi; 2001 memcpy(vif->ssid, ssid, ssid_len); 2002 vif->ssid_len = ssid_len; 2003 2004 netif_carrier_on(ndev); 2005 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 2006 wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); 2007 2008 rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel, 2009 hidden_ssid, is_go); 2010 if (rc) 2011 goto err_pcp_start; 2012 2013 rc = wil_bcast_init(vif); 2014 if (rc) 2015 goto err_bcast; 2016 2017 goto out; /* success */ 2018 2019 err_bcast: 2020 wmi_pcp_stop(vif); 2021 err_pcp_start: 2022 netif_carrier_off(ndev); 2023 if (!wil_has_other_active_ifaces(wil, ndev, false, true)) 2024 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 2025 out: 2026 mutex_unlock(&wil->mutex); 2027 return rc; 2028 } 2029 2030 void wil_cfg80211_ap_recovery(struct wil6210_priv *wil) 2031 { 2032 int rc, i; 2033 struct wiphy *wiphy = wil_to_wiphy(wil); 2034 2035 for (i = 0; i < GET_MAX_VIFS(wil); i++) { 2036 struct wil6210_vif *vif = wil->vifs[i]; 2037 struct net_device *ndev; 2038 struct cfg80211_beacon_data bcon = {}; 2039 struct key_params key_params = {}; 2040 2041 if (!vif || vif->ssid_len == 0) 2042 continue; 2043 2044 ndev = vif_to_ndev(vif); 2045 bcon.proberesp_ies = vif->proberesp_ies; 2046 bcon.assocresp_ies = vif->assocresp_ies; 2047 bcon.probe_resp = vif->proberesp; 2048 bcon.proberesp_ies_len = vif->proberesp_ies_len; 2049 bcon.assocresp_ies_len = vif->assocresp_ies_len; 2050 bcon.probe_resp_len = vif->proberesp_len; 2051 2052 wil_info(wil, 2053 "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n", 2054 i, vif->privacy, vif->bi, vif->channel, 2055 vif->hidden_ssid, vif->pbss); 2056 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2057 vif->ssid, vif->ssid_len, true); 2058 rc = _wil_cfg80211_start_ap(wiphy, ndev, 2059 vif->ssid, vif->ssid_len, 2060 vif->privacy, vif->bi, 2061 vif->channel, 2062 vif->wmi_edmg_channel, &bcon, 2063 vif->hidden_ssid, vif->pbss); 2064 if (rc) { 2065 wil_err(wil, "vif %d recovery failed (%d)\n", i, rc); 2066 continue; 2067 } 2068 2069 if (!vif->privacy || vif->gtk_len == 0) 2070 continue; 2071 2072 key_params.key = vif->gtk; 2073 key_params.key_len = vif->gtk_len; 2074 key_params.seq_len = IEEE80211_GCMP_PN_LEN; 2075 rc = wil_cfg80211_add_key(wiphy, ndev, -1, vif->gtk_index, 2076 false, NULL, &key_params); 2077 if (rc) 2078 wil_err(wil, "vif %d recovery add key failed (%d)\n", 2079 i, rc); 2080 } 2081 } 2082 2083 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 2084 struct net_device *ndev, 2085 struct cfg80211_ap_update *params) 2086 { 2087 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2088 struct wireless_dev *wdev = ndev->ieee80211_ptr; 2089 struct wil6210_vif *vif = ndev_to_vif(ndev); 2090 struct cfg80211_beacon_data *bcon = ¶ms->beacon; 2091 int rc; 2092 u32 privacy = 0; 2093 2094 wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid); 2095 wil_print_bcon_data(bcon); 2096 2097 if (bcon->tail && 2098 cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, 2099 bcon->tail_len)) 2100 privacy = 1; 2101 2102 memcpy(vif->ssid, wdev->u.ap.ssid, wdev->u.ap.ssid_len); 2103 vif->ssid_len = wdev->u.ap.ssid_len; 2104 2105 /* in case privacy has changed, need to restart the AP */ 2106 if (vif->privacy != privacy) { 2107 wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", 2108 vif->privacy, privacy); 2109 2110 rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid, 2111 vif->ssid_len, privacy, 2112 wdev->links[0].ap.beacon_interval, 2113 vif->channel, 2114 vif->wmi_edmg_channel, bcon, 2115 vif->hidden_ssid, 2116 vif->pbss); 2117 } else { 2118 rc = _wil_cfg80211_set_ies(vif, bcon); 2119 } 2120 2121 return rc; 2122 } 2123 2124 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 2125 struct net_device *ndev, 2126 struct cfg80211_ap_settings *info) 2127 { 2128 int rc; 2129 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2130 struct ieee80211_channel *channel = info->chandef.chan; 2131 struct cfg80211_beacon_data *bcon = &info->beacon; 2132 struct cfg80211_crypto_settings *crypto = &info->crypto; 2133 u8 wmi_edmg_channel; 2134 u8 hidden_ssid; 2135 2136 wil_dbg_misc(wil, "start_ap\n"); 2137 2138 rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config, 2139 info->chandef.edmg.channels, 2140 &wmi_edmg_channel); 2141 if (rc < 0) 2142 return rc; 2143 2144 if (!channel) { 2145 wil_err(wil, "AP: No channel???\n"); 2146 return -EINVAL; 2147 } 2148 2149 switch (info->hidden_ssid) { 2150 case NL80211_HIDDEN_SSID_NOT_IN_USE: 2151 hidden_ssid = WMI_HIDDEN_SSID_DISABLED; 2152 break; 2153 2154 case NL80211_HIDDEN_SSID_ZERO_LEN: 2155 hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; 2156 break; 2157 2158 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 2159 hidden_ssid = WMI_HIDDEN_SSID_CLEAR; 2160 break; 2161 2162 default: 2163 wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); 2164 return -EOPNOTSUPP; 2165 } 2166 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 2167 channel->center_freq, info->privacy ? "secure" : "open"); 2168 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 2169 info->privacy, info->auth_type); 2170 wil_dbg_misc(wil, "Hidden SSID mode: %d\n", 2171 info->hidden_ssid); 2172 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 2173 info->dtim_period); 2174 wil_dbg_misc(wil, "PBSS %d\n", info->pbss); 2175 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2176 info->ssid, info->ssid_len, true); 2177 wil_print_bcon_data(bcon); 2178 wil_print_crypto(wil, crypto); 2179 2180 rc = _wil_cfg80211_start_ap(wiphy, ndev, 2181 info->ssid, info->ssid_len, info->privacy, 2182 info->beacon_interval, channel->hw_value, 2183 wmi_edmg_channel, bcon, hidden_ssid, 2184 info->pbss); 2185 2186 return rc; 2187 } 2188 2189 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 2190 struct net_device *ndev, 2191 unsigned int link_id) 2192 { 2193 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2194 struct wil6210_vif *vif = ndev_to_vif(ndev); 2195 bool last; 2196 2197 wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid); 2198 2199 netif_carrier_off(ndev); 2200 last = !wil_has_other_active_ifaces(wil, ndev, false, true); 2201 if (last) { 2202 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 2203 wil_set_recovery_state(wil, fw_recovery_idle); 2204 set_bit(wil_status_resetting, wil->status); 2205 } 2206 2207 mutex_lock(&wil->mutex); 2208 2209 wmi_pcp_stop(vif); 2210 clear_bit(wil_vif_ft_roam, vif->status); 2211 vif->ssid_len = 0; 2212 wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0); 2213 wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0); 2214 wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0); 2215 memset(vif->gtk, 0, WMI_MAX_KEY_LEN); 2216 vif->gtk_len = 0; 2217 2218 if (last) 2219 __wil_down(wil); 2220 else 2221 wil_bcast_fini(vif); 2222 2223 mutex_unlock(&wil->mutex); 2224 2225 return 0; 2226 } 2227 2228 static int wil_cfg80211_add_station(struct wiphy *wiphy, 2229 struct net_device *dev, 2230 const u8 *mac, 2231 struct station_parameters *params) 2232 { 2233 struct wil6210_vif *vif = ndev_to_vif(dev); 2234 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2235 2236 wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n", 2237 mac, params->aid, vif->mid, 2238 params->sta_flags_mask, params->sta_flags_set); 2239 2240 if (!disable_ap_sme) { 2241 wil_err(wil, "not supported with AP SME enabled\n"); 2242 return -EOPNOTSUPP; 2243 } 2244 2245 if (params->aid > WIL_MAX_DMG_AID) { 2246 wil_err(wil, "invalid aid\n"); 2247 return -EINVAL; 2248 } 2249 2250 return wmi_new_sta(vif, mac, params->aid); 2251 } 2252 2253 static int wil_cfg80211_del_station(struct wiphy *wiphy, 2254 struct net_device *dev, 2255 struct station_del_parameters *params) 2256 { 2257 struct wil6210_vif *vif = ndev_to_vif(dev); 2258 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2259 2260 wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n", 2261 params->mac, params->reason_code, vif->mid); 2262 2263 mutex_lock(&wil->mutex); 2264 wil6210_disconnect(vif, params->mac, params->reason_code); 2265 mutex_unlock(&wil->mutex); 2266 2267 return 0; 2268 } 2269 2270 static int wil_cfg80211_change_station(struct wiphy *wiphy, 2271 struct net_device *dev, 2272 const u8 *mac, 2273 struct station_parameters *params) 2274 { 2275 struct wil6210_vif *vif = ndev_to_vif(dev); 2276 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2277 int authorize; 2278 int cid, i; 2279 struct wil_ring_tx_data *txdata = NULL; 2280 2281 wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", 2282 mac, params->sta_flags_mask, params->sta_flags_set, 2283 vif->mid); 2284 2285 if (!disable_ap_sme) { 2286 wil_dbg_misc(wil, "not supported with AP SME enabled\n"); 2287 return -EOPNOTSUPP; 2288 } 2289 2290 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 2291 return 0; 2292 2293 cid = wil_find_cid(wil, vif->mid, mac); 2294 if (cid < 0) { 2295 wil_err(wil, "station not found\n"); 2296 return -ENOLINK; 2297 } 2298 2299 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) 2300 if (wil->ring2cid_tid[i][0] == cid) { 2301 txdata = &wil->ring_tx_data[i]; 2302 break; 2303 } 2304 2305 if (!txdata) { 2306 wil_err(wil, "ring data not found\n"); 2307 return -ENOLINK; 2308 } 2309 2310 authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); 2311 txdata->dot1x_open = authorize ? 1 : 0; 2312 wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i, 2313 txdata->dot1x_open); 2314 2315 return 0; 2316 } 2317 2318 /* probe_client handling */ 2319 static void wil_probe_client_handle(struct wil6210_priv *wil, 2320 struct wil6210_vif *vif, 2321 struct wil_probe_client_req *req) 2322 { 2323 struct net_device *ndev = vif_to_ndev(vif); 2324 struct wil_sta_info *sta = &wil->sta[req->cid]; 2325 /* assume STA is alive if it is still connected, 2326 * else FW will disconnect it 2327 */ 2328 bool alive = (sta->status == wil_sta_connected); 2329 2330 cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, 2331 0, false, GFP_KERNEL); 2332 } 2333 2334 static struct list_head *next_probe_client(struct wil6210_vif *vif) 2335 { 2336 struct list_head *ret = NULL; 2337 2338 mutex_lock(&vif->probe_client_mutex); 2339 2340 if (!list_empty(&vif->probe_client_pending)) { 2341 ret = vif->probe_client_pending.next; 2342 list_del(ret); 2343 } 2344 2345 mutex_unlock(&vif->probe_client_mutex); 2346 2347 return ret; 2348 } 2349 2350 void wil_probe_client_worker(struct work_struct *work) 2351 { 2352 struct wil6210_vif *vif = container_of(work, struct wil6210_vif, 2353 probe_client_worker); 2354 struct wil6210_priv *wil = vif_to_wil(vif); 2355 struct wil_probe_client_req *req; 2356 struct list_head *lh; 2357 2358 while ((lh = next_probe_client(vif)) != NULL) { 2359 req = list_entry(lh, struct wil_probe_client_req, list); 2360 2361 wil_probe_client_handle(wil, vif, req); 2362 kfree(req); 2363 } 2364 } 2365 2366 void wil_probe_client_flush(struct wil6210_vif *vif) 2367 { 2368 struct wil_probe_client_req *req, *t; 2369 struct wil6210_priv *wil = vif_to_wil(vif); 2370 2371 wil_dbg_misc(wil, "probe_client_flush\n"); 2372 2373 mutex_lock(&vif->probe_client_mutex); 2374 2375 list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) { 2376 list_del(&req->list); 2377 kfree(req); 2378 } 2379 2380 mutex_unlock(&vif->probe_client_mutex); 2381 } 2382 2383 static int wil_cfg80211_probe_client(struct wiphy *wiphy, 2384 struct net_device *dev, 2385 const u8 *peer, u64 *cookie) 2386 { 2387 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2388 struct wil6210_vif *vif = ndev_to_vif(dev); 2389 struct wil_probe_client_req *req; 2390 int cid = wil_find_cid(wil, vif->mid, peer); 2391 2392 wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n", 2393 peer, cid, vif->mid); 2394 2395 if (cid < 0) 2396 return -ENOLINK; 2397 2398 req = kzalloc(sizeof(*req), GFP_KERNEL); 2399 if (!req) 2400 return -ENOMEM; 2401 2402 req->cid = cid; 2403 req->cookie = cid; 2404 2405 mutex_lock(&vif->probe_client_mutex); 2406 list_add_tail(&req->list, &vif->probe_client_pending); 2407 mutex_unlock(&vif->probe_client_mutex); 2408 2409 *cookie = req->cookie; 2410 queue_work(wil->wq_service, &vif->probe_client_worker); 2411 return 0; 2412 } 2413 2414 static int wil_cfg80211_change_bss(struct wiphy *wiphy, 2415 struct net_device *dev, 2416 struct bss_parameters *params) 2417 { 2418 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2419 struct wil6210_vif *vif = ndev_to_vif(dev); 2420 2421 if (params->ap_isolate >= 0) { 2422 wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n", 2423 vif->mid, vif->ap_isolate, params->ap_isolate); 2424 vif->ap_isolate = params->ap_isolate; 2425 } 2426 2427 return 0; 2428 } 2429 2430 static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, 2431 struct net_device *dev, 2432 bool enabled, int timeout) 2433 { 2434 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2435 enum wmi_ps_profile_type ps_profile; 2436 2437 wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", 2438 enabled, timeout); 2439 2440 if (enabled) 2441 ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; 2442 else 2443 ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; 2444 2445 return wil_ps_update(wil, ps_profile); 2446 } 2447 2448 static int wil_cfg80211_suspend(struct wiphy *wiphy, 2449 struct cfg80211_wowlan *wow) 2450 { 2451 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2452 int rc; 2453 2454 /* Setting the wakeup trigger based on wow is TBD */ 2455 2456 if (test_bit(wil_status_suspended, wil->status)) { 2457 wil_dbg_pm(wil, "trying to suspend while suspended\n"); 2458 return 0; 2459 } 2460 2461 rc = wil_can_suspend(wil, false); 2462 if (rc) 2463 goto out; 2464 2465 wil_dbg_pm(wil, "suspending\n"); 2466 2467 mutex_lock(&wil->mutex); 2468 mutex_lock(&wil->vif_mutex); 2469 wil_p2p_stop_radio_operations(wil); 2470 wil_abort_scan_all_vifs(wil, true); 2471 mutex_unlock(&wil->vif_mutex); 2472 mutex_unlock(&wil->mutex); 2473 2474 out: 2475 return rc; 2476 } 2477 2478 static int wil_cfg80211_resume(struct wiphy *wiphy) 2479 { 2480 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2481 2482 wil_dbg_pm(wil, "resuming\n"); 2483 2484 return 0; 2485 } 2486 2487 static int 2488 wil_cfg80211_sched_scan_start(struct wiphy *wiphy, 2489 struct net_device *dev, 2490 struct cfg80211_sched_scan_request *request) 2491 { 2492 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2493 struct wil6210_vif *vif = ndev_to_vif(dev); 2494 int i, rc; 2495 2496 if (vif->mid != 0) 2497 return -EOPNOTSUPP; 2498 2499 wil_dbg_misc(wil, 2500 "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", 2501 request->n_ssids, request->ie_len, request->flags); 2502 for (i = 0; i < request->n_ssids; i++) { 2503 wil_dbg_misc(wil, "SSID[%d]:", i); 2504 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2505 request->ssids[i].ssid, 2506 request->ssids[i].ssid_len, true); 2507 } 2508 wil_dbg_misc(wil, "channels:"); 2509 for (i = 0; i < request->n_channels; i++) 2510 wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, 2511 i == request->n_channels - 1 ? "\n" : ""); 2512 wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", 2513 request->n_match_sets, request->min_rssi_thold, 2514 request->delay); 2515 for (i = 0; i < request->n_match_sets; i++) { 2516 struct cfg80211_match_set *ms = &request->match_sets[i]; 2517 2518 wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", 2519 i, ms->rssi_thold); 2520 wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, 2521 ms->ssid.ssid, 2522 ms->ssid.ssid_len, true); 2523 } 2524 wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); 2525 for (i = 0; i < request->n_scan_plans; i++) { 2526 struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; 2527 2528 wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", 2529 i, sp->interval, sp->iterations); 2530 } 2531 2532 rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ, 2533 request->ie_len, request->ie); 2534 if (rc) 2535 return rc; 2536 return wmi_start_sched_scan(wil, request); 2537 } 2538 2539 static int 2540 wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2541 u64 reqid) 2542 { 2543 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2544 struct wil6210_vif *vif = ndev_to_vif(dev); 2545 int rc; 2546 2547 if (vif->mid != 0) 2548 return -EOPNOTSUPP; 2549 2550 rc = wmi_stop_sched_scan(wil); 2551 /* device would return error if it thinks PNO is already stopped. 2552 * ignore the return code so user space and driver gets back in-sync 2553 */ 2554 wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); 2555 2556 return 0; 2557 } 2558 2559 static int 2560 wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev, 2561 struct cfg80211_update_ft_ies_params *ftie) 2562 { 2563 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2564 struct wil6210_vif *vif = ndev_to_vif(dev); 2565 struct cfg80211_bss *bss; 2566 struct wmi_ft_reassoc_cmd reassoc; 2567 int rc = 0; 2568 2569 wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid); 2570 wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1, 2571 ftie->ie, ftie->ie_len, true); 2572 2573 if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { 2574 wil_err(wil, "FW does not support FT roaming\n"); 2575 return -EOPNOTSUPP; 2576 } 2577 2578 rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie); 2579 if (rc) 2580 return rc; 2581 2582 if (!test_bit(wil_vif_ft_roam, vif->status)) 2583 /* vif is not roaming */ 2584 return 0; 2585 2586 /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as 2587 * a trigger for reassoc 2588 */ 2589 2590 bss = vif->bss; 2591 if (!bss) { 2592 wil_err(wil, "FT: bss is NULL\n"); 2593 return -EINVAL; 2594 } 2595 2596 memset(&reassoc, 0, sizeof(reassoc)); 2597 ether_addr_copy(reassoc.bssid, bss->bssid); 2598 2599 rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid, 2600 &reassoc, sizeof(reassoc)); 2601 if (rc) 2602 wil_err(wil, "FT: reassoc failed (%d)\n", rc); 2603 2604 return rc; 2605 } 2606 2607 static int wil_cfg80211_set_multicast_to_unicast(struct wiphy *wiphy, 2608 struct net_device *dev, 2609 const bool enabled) 2610 { 2611 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2612 2613 if (wil->multicast_to_unicast == enabled) 2614 return 0; 2615 2616 wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled); 2617 wil->multicast_to_unicast = enabled; 2618 2619 return 0; 2620 } 2621 2622 static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 2623 struct net_device *dev, 2624 s32 rssi_thold, u32 rssi_hyst) 2625 { 2626 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 2627 int rc; 2628 2629 wil->cqm_rssi_thold = rssi_thold; 2630 2631 rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst); 2632 if (rc) 2633 /* reset stored value upon failure */ 2634 wil->cqm_rssi_thold = 0; 2635 2636 return rc; 2637 } 2638 2639 static const struct cfg80211_ops wil_cfg80211_ops = { 2640 .add_virtual_intf = wil_cfg80211_add_iface, 2641 .del_virtual_intf = wil_cfg80211_del_iface, 2642 .scan = wil_cfg80211_scan, 2643 .abort_scan = wil_cfg80211_abort_scan, 2644 .connect = wil_cfg80211_connect, 2645 .disconnect = wil_cfg80211_disconnect, 2646 .set_wiphy_params = wil_cfg80211_set_wiphy_params, 2647 .change_virtual_intf = wil_cfg80211_change_iface, 2648 .get_station = wil_cfg80211_get_station, 2649 .dump_station = wil_cfg80211_dump_station, 2650 .remain_on_channel = wil_remain_on_channel, 2651 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 2652 .mgmt_tx = wil_cfg80211_mgmt_tx, 2653 .set_monitor_channel = wil_cfg80211_set_channel, 2654 .add_key = wil_cfg80211_add_key, 2655 .del_key = wil_cfg80211_del_key, 2656 .set_default_key = wil_cfg80211_set_default_key, 2657 /* AP mode */ 2658 .change_beacon = wil_cfg80211_change_beacon, 2659 .start_ap = wil_cfg80211_start_ap, 2660 .stop_ap = wil_cfg80211_stop_ap, 2661 .add_station = wil_cfg80211_add_station, 2662 .del_station = wil_cfg80211_del_station, 2663 .change_station = wil_cfg80211_change_station, 2664 .probe_client = wil_cfg80211_probe_client, 2665 .change_bss = wil_cfg80211_change_bss, 2666 /* P2P device */ 2667 .start_p2p_device = wil_cfg80211_start_p2p_device, 2668 .stop_p2p_device = wil_cfg80211_stop_p2p_device, 2669 .set_power_mgmt = wil_cfg80211_set_power_mgmt, 2670 .set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config, 2671 .suspend = wil_cfg80211_suspend, 2672 .resume = wil_cfg80211_resume, 2673 .sched_scan_start = wil_cfg80211_sched_scan_start, 2674 .sched_scan_stop = wil_cfg80211_sched_scan_stop, 2675 .update_ft_ies = wil_cfg80211_update_ft_ies, 2676 .set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast, 2677 }; 2678 2679 static void wil_wiphy_init(struct wiphy *wiphy) 2680 { 2681 wiphy->max_scan_ssids = 1; 2682 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 2683 wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; 2684 wiphy->max_num_pmkids = 0 /* TODO: */; 2685 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 2686 BIT(NL80211_IFTYPE_AP) | 2687 BIT(NL80211_IFTYPE_P2P_CLIENT) | 2688 BIT(NL80211_IFTYPE_P2P_GO) | 2689 BIT(NL80211_IFTYPE_P2P_DEVICE) | 2690 BIT(NL80211_IFTYPE_MONITOR); 2691 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 2692 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 2693 WIPHY_FLAG_PS_ON_BY_DEFAULT; 2694 if (!disable_ap_sme) 2695 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; 2696 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 2697 __func__, wiphy->flags); 2698 wiphy->probe_resp_offload = 2699 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 2700 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 2701 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 2702 2703 wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; 2704 2705 /* may change after reading FW capabilities */ 2706 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 2707 2708 wiphy->cipher_suites = wil_cipher_suites; 2709 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 2710 wiphy->mgmt_stypes = wil_mgmt_stypes; 2711 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 2712 2713 wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); 2714 wiphy->vendor_commands = wil_nl80211_vendor_commands; 2715 2716 #ifdef CONFIG_PM 2717 wiphy->wowlan = &wil_wowlan_support; 2718 #endif 2719 } 2720 2721 int wil_cfg80211_iface_combinations_from_fw( 2722 struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) 2723 { 2724 struct wiphy *wiphy = wil_to_wiphy(wil); 2725 u32 total_limits = 0; 2726 u16 n_combos; 2727 const struct wil_fw_concurrency_combo *combo; 2728 const struct wil_fw_concurrency_limit *limit; 2729 struct ieee80211_iface_combination *iface_combinations; 2730 struct ieee80211_iface_limit *iface_limit; 2731 int i, j; 2732 2733 if (wiphy->iface_combinations) { 2734 wil_dbg_misc(wil, "iface_combinations already set, skipping\n"); 2735 return 0; 2736 } 2737 2738 combo = conc->combos; 2739 n_combos = le16_to_cpu(conc->n_combos); 2740 for (i = 0; i < n_combos; i++) { 2741 total_limits += combo->n_limits; 2742 limit = combo->limits + combo->n_limits; 2743 combo = (struct wil_fw_concurrency_combo *)limit; 2744 } 2745 2746 iface_combinations = 2747 kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) + 2748 total_limits * sizeof(struct ieee80211_iface_limit), 2749 GFP_KERNEL); 2750 if (!iface_combinations) 2751 return -ENOMEM; 2752 iface_limit = (struct ieee80211_iface_limit *)(iface_combinations + 2753 n_combos); 2754 combo = conc->combos; 2755 for (i = 0; i < n_combos; i++) { 2756 iface_combinations[i].max_interfaces = combo->max_interfaces; 2757 iface_combinations[i].num_different_channels = 2758 combo->n_diff_channels; 2759 iface_combinations[i].beacon_int_infra_match = 2760 combo->same_bi; 2761 iface_combinations[i].n_limits = combo->n_limits; 2762 wil_dbg_misc(wil, 2763 "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n", 2764 i, iface_combinations[i].max_interfaces, 2765 iface_combinations[i].num_different_channels, 2766 iface_combinations[i].beacon_int_infra_match); 2767 limit = combo->limits; 2768 for (j = 0; j < combo->n_limits; j++) { 2769 iface_limit[j].max = le16_to_cpu(limit[j].max); 2770 iface_limit[j].types = le16_to_cpu(limit[j].types); 2771 wil_dbg_misc(wil, 2772 "limit %d: max %d types 0x%x\n", j, 2773 iface_limit[j].max, iface_limit[j].types); 2774 } 2775 iface_combinations[i].limits = iface_limit; 2776 iface_limit += combo->n_limits; 2777 limit += combo->n_limits; 2778 combo = (struct wil_fw_concurrency_combo *)limit; 2779 } 2780 2781 wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids); 2782 wil->max_vifs = conc->n_mids + 1; /* including main interface */ 2783 if (wil->max_vifs > WIL_MAX_VIFS) { 2784 wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n", 2785 WIL_MAX_VIFS, wil->max_vifs); 2786 wil->max_vifs = WIL_MAX_VIFS; 2787 } 2788 wiphy->n_iface_combinations = n_combos; 2789 wiphy->iface_combinations = iface_combinations; 2790 return 0; 2791 } 2792 2793 struct wil6210_priv *wil_cfg80211_init(struct device *dev) 2794 { 2795 struct wiphy *wiphy; 2796 struct wil6210_priv *wil; 2797 struct ieee80211_channel *ch; 2798 2799 dev_dbg(dev, "%s()\n", __func__); 2800 2801 /* Note: the wireless_dev structure is no longer allocated here. 2802 * Instead, it is allocated as part of the net_device structure 2803 * for main interface and each VIF. 2804 */ 2805 wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); 2806 if (!wiphy) 2807 return ERR_PTR(-ENOMEM); 2808 2809 set_wiphy_dev(wiphy, dev); 2810 wil_wiphy_init(wiphy); 2811 2812 wil = wiphy_to_wil(wiphy); 2813 wil->wiphy = wiphy; 2814 2815 /* default monitor channel */ 2816 ch = wiphy->bands[NL80211_BAND_60GHZ]->channels; 2817 cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); 2818 2819 return wil; 2820 } 2821 2822 void wil_cfg80211_deinit(struct wil6210_priv *wil) 2823 { 2824 struct wiphy *wiphy = wil_to_wiphy(wil); 2825 2826 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 2827 2828 if (!wiphy) 2829 return; 2830 2831 kfree(wiphy->iface_combinations); 2832 wiphy->iface_combinations = NULL; 2833 2834 wiphy_free(wiphy); 2835 /* do not access wil6210_priv after returning from here */ 2836 } 2837 2838 void wil_p2p_wdev_free(struct wil6210_priv *wil) 2839 { 2840 struct wireless_dev *p2p_wdev; 2841 2842 mutex_lock(&wil->vif_mutex); 2843 p2p_wdev = wil->p2p_wdev; 2844 wil->p2p_wdev = NULL; 2845 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 2846 mutex_unlock(&wil->vif_mutex); 2847 if (p2p_wdev) { 2848 cfg80211_unregister_wdev(p2p_wdev); 2849 kfree(p2p_wdev); 2850 } 2851 } 2852 2853 static int wil_rf_sector_status_to_rc(u8 status) 2854 { 2855 switch (status) { 2856 case WMI_RF_SECTOR_STATUS_SUCCESS: 2857 return 0; 2858 case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR: 2859 return -EINVAL; 2860 case WMI_RF_SECTOR_STATUS_BUSY_ERROR: 2861 return -EAGAIN; 2862 case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR: 2863 return -EOPNOTSUPP; 2864 default: 2865 return -EINVAL; 2866 } 2867 } 2868 2869 static int wil_rf_sector_get_cfg(struct wiphy *wiphy, 2870 struct wireless_dev *wdev, 2871 const void *data, int data_len) 2872 { 2873 struct wil6210_priv *wil = wdev_to_wil(wdev); 2874 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2875 int rc; 2876 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2877 u16 sector_index; 2878 u8 sector_type; 2879 u32 rf_modules_vec; 2880 struct wmi_get_rf_sector_params_cmd cmd; 2881 struct { 2882 struct wmi_cmd_hdr wmi; 2883 struct wmi_get_rf_sector_params_done_event evt; 2884 } __packed reply = { 2885 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 2886 }; 2887 struct sk_buff *msg; 2888 struct nlattr *nl_cfgs, *nl_cfg; 2889 u32 i; 2890 struct wmi_rf_sector_info *si; 2891 2892 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 2893 return -EOPNOTSUPP; 2894 2895 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 2896 data_len, wil_rf_sector_policy, NULL); 2897 if (rc) { 2898 wil_err(wil, "Invalid rf sector ATTR\n"); 2899 return rc; 2900 } 2901 2902 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 2903 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 2904 !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) { 2905 wil_err(wil, "Invalid rf sector spec\n"); 2906 return -EINVAL; 2907 } 2908 2909 sector_index = nla_get_u16( 2910 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 2911 if (sector_index >= WIL_MAX_RF_SECTORS) { 2912 wil_err(wil, "Invalid sector index %d\n", sector_index); 2913 return -EINVAL; 2914 } 2915 2916 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 2917 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 2918 wil_err(wil, "Invalid sector type %d\n", sector_type); 2919 return -EINVAL; 2920 } 2921 2922 rf_modules_vec = nla_get_u32( 2923 tb[QCA_ATTR_DMG_RF_MODULE_MASK]); 2924 if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) { 2925 wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec); 2926 return -EINVAL; 2927 } 2928 2929 cmd.sector_idx = cpu_to_le16(sector_index); 2930 cmd.sector_type = sector_type; 2931 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 2932 rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid, 2933 &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID, 2934 &reply, sizeof(reply), 2935 500); 2936 if (rc) 2937 return rc; 2938 if (reply.evt.status) { 2939 wil_err(wil, "get rf sector cfg failed with status %d\n", 2940 reply.evt.status); 2941 return wil_rf_sector_status_to_rc(reply.evt.status); 2942 } 2943 2944 msg = cfg80211_vendor_cmd_alloc_reply_skb( 2945 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 2946 if (!msg) 2947 return -ENOMEM; 2948 2949 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 2950 le64_to_cpu(reply.evt.tsf), 2951 QCA_ATTR_PAD)) 2952 goto nla_put_failure; 2953 2954 nl_cfgs = nla_nest_start_noflag(msg, QCA_ATTR_DMG_RF_SECTOR_CFG); 2955 if (!nl_cfgs) 2956 goto nla_put_failure; 2957 for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) { 2958 if (!(rf_modules_vec & BIT(i))) 2959 continue; 2960 nl_cfg = nla_nest_start_noflag(msg, i); 2961 if (!nl_cfg) 2962 goto nla_put_failure; 2963 si = &reply.evt.sectors_info[i]; 2964 if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, 2965 i) || 2966 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, 2967 le32_to_cpu(si->etype0)) || 2968 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, 2969 le32_to_cpu(si->etype1)) || 2970 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, 2971 le32_to_cpu(si->etype2)) || 2972 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, 2973 le32_to_cpu(si->psh_hi)) || 2974 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, 2975 le32_to_cpu(si->psh_lo)) || 2976 nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, 2977 le32_to_cpu(si->dtype_swch_off))) 2978 goto nla_put_failure; 2979 nla_nest_end(msg, nl_cfg); 2980 } 2981 2982 nla_nest_end(msg, nl_cfgs); 2983 rc = cfg80211_vendor_cmd_reply(msg); 2984 return rc; 2985 nla_put_failure: 2986 kfree_skb(msg); 2987 return -ENOBUFS; 2988 } 2989 2990 static int wil_rf_sector_set_cfg(struct wiphy *wiphy, 2991 struct wireless_dev *wdev, 2992 const void *data, int data_len) 2993 { 2994 struct wil6210_priv *wil = wdev_to_wil(wdev); 2995 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 2996 int rc, tmp; 2997 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 2998 struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1]; 2999 u16 sector_index, rf_module_index; 3000 u8 sector_type; 3001 u32 rf_modules_vec = 0; 3002 struct wmi_set_rf_sector_params_cmd cmd; 3003 struct { 3004 struct wmi_cmd_hdr wmi; 3005 struct wmi_set_rf_sector_params_done_event evt; 3006 } __packed reply = { 3007 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 3008 }; 3009 struct nlattr *nl_cfg; 3010 struct wmi_rf_sector_info *si; 3011 3012 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 3013 return -EOPNOTSUPP; 3014 3015 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 3016 data_len, wil_rf_sector_policy, NULL); 3017 if (rc) { 3018 wil_err(wil, "Invalid rf sector ATTR\n"); 3019 return rc; 3020 } 3021 3022 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 3023 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || 3024 !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) { 3025 wil_err(wil, "Invalid rf sector spec\n"); 3026 return -EINVAL; 3027 } 3028 3029 sector_index = nla_get_u16( 3030 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 3031 if (sector_index >= WIL_MAX_RF_SECTORS) { 3032 wil_err(wil, "Invalid sector index %d\n", sector_index); 3033 return -EINVAL; 3034 } 3035 3036 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 3037 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 3038 wil_err(wil, "Invalid sector type %d\n", sector_type); 3039 return -EINVAL; 3040 } 3041 3042 memset(&cmd, 0, sizeof(cmd)); 3043 3044 cmd.sector_idx = cpu_to_le16(sector_index); 3045 cmd.sector_type = sector_type; 3046 nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG], 3047 tmp) { 3048 rc = nla_parse_nested_deprecated(tb2, 3049 QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, 3050 nl_cfg, 3051 wil_rf_sector_cfg_policy, 3052 NULL); 3053 if (rc) { 3054 wil_err(wil, "invalid sector cfg\n"); 3055 return -EINVAL; 3056 } 3057 3058 if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] || 3059 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] || 3060 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] || 3061 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] || 3062 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] || 3063 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] || 3064 !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) { 3065 wil_err(wil, "missing cfg params\n"); 3066 return -EINVAL; 3067 } 3068 3069 rf_module_index = nla_get_u8( 3070 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]); 3071 if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) { 3072 wil_err(wil, "invalid RF module index %d\n", 3073 rf_module_index); 3074 return -EINVAL; 3075 } 3076 rf_modules_vec |= BIT(rf_module_index); 3077 si = &cmd.sectors_info[rf_module_index]; 3078 si->etype0 = cpu_to_le32(nla_get_u32( 3079 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0])); 3080 si->etype1 = cpu_to_le32(nla_get_u32( 3081 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1])); 3082 si->etype2 = cpu_to_le32(nla_get_u32( 3083 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2])); 3084 si->psh_hi = cpu_to_le32(nla_get_u32( 3085 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI])); 3086 si->psh_lo = cpu_to_le32(nla_get_u32( 3087 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO])); 3088 si->dtype_swch_off = cpu_to_le32(nla_get_u32( 3089 tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16])); 3090 } 3091 3092 cmd.rf_modules_vec = rf_modules_vec & 0xFF; 3093 rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid, 3094 &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID, 3095 &reply, sizeof(reply), 3096 500); 3097 if (rc) 3098 return rc; 3099 return wil_rf_sector_status_to_rc(reply.evt.status); 3100 } 3101 3102 static int wil_rf_sector_get_selected(struct wiphy *wiphy, 3103 struct wireless_dev *wdev, 3104 const void *data, int data_len) 3105 { 3106 struct wil6210_priv *wil = wdev_to_wil(wdev); 3107 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 3108 int rc; 3109 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 3110 u8 sector_type, mac_addr[ETH_ALEN]; 3111 int cid = 0; 3112 struct wmi_get_selected_rf_sector_index_cmd cmd; 3113 struct { 3114 struct wmi_cmd_hdr wmi; 3115 struct wmi_get_selected_rf_sector_index_done_event evt; 3116 } __packed reply = { 3117 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 3118 }; 3119 struct sk_buff *msg; 3120 3121 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 3122 return -EOPNOTSUPP; 3123 3124 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 3125 data_len, wil_rf_sector_policy, NULL); 3126 if (rc) { 3127 wil_err(wil, "Invalid rf sector ATTR\n"); 3128 return rc; 3129 } 3130 3131 if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 3132 wil_err(wil, "Invalid rf sector spec\n"); 3133 return -EINVAL; 3134 } 3135 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 3136 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 3137 wil_err(wil, "Invalid sector type %d\n", sector_type); 3138 return -EINVAL; 3139 } 3140 3141 if (tb[QCA_ATTR_MAC_ADDR]) { 3142 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 3143 cid = wil_find_cid(wil, vif->mid, mac_addr); 3144 if (cid < 0) { 3145 wil_err(wil, "invalid MAC address %pM\n", mac_addr); 3146 return -ENOENT; 3147 } 3148 } else { 3149 if (test_bit(wil_vif_fwconnected, vif->status)) { 3150 wil_err(wil, "must specify MAC address when connected\n"); 3151 return -EINVAL; 3152 } 3153 } 3154 3155 memset(&cmd, 0, sizeof(cmd)); 3156 cmd.cid = (u8)cid; 3157 cmd.sector_type = sector_type; 3158 rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid, 3159 &cmd, sizeof(cmd), 3160 WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 3161 &reply, sizeof(reply), 3162 500); 3163 if (rc) 3164 return rc; 3165 if (reply.evt.status) { 3166 wil_err(wil, "get rf selected sector cfg failed with status %d\n", 3167 reply.evt.status); 3168 return wil_rf_sector_status_to_rc(reply.evt.status); 3169 } 3170 3171 msg = cfg80211_vendor_cmd_alloc_reply_skb( 3172 wiphy, 64 * WMI_MAX_RF_MODULES_NUM); 3173 if (!msg) 3174 return -ENOMEM; 3175 3176 if (nla_put_u64_64bit(msg, QCA_ATTR_TSF, 3177 le64_to_cpu(reply.evt.tsf), 3178 QCA_ATTR_PAD) || 3179 nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX, 3180 le16_to_cpu(reply.evt.sector_idx))) 3181 goto nla_put_failure; 3182 3183 rc = cfg80211_vendor_cmd_reply(msg); 3184 return rc; 3185 nla_put_failure: 3186 kfree_skb(msg); 3187 return -ENOBUFS; 3188 } 3189 3190 static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil, 3191 u8 mid, u16 sector_index, 3192 u8 sector_type, u8 cid) 3193 { 3194 struct wmi_set_selected_rf_sector_index_cmd cmd; 3195 struct { 3196 struct wmi_cmd_hdr wmi; 3197 struct wmi_set_selected_rf_sector_index_done_event evt; 3198 } __packed reply = { 3199 .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, 3200 }; 3201 int rc; 3202 3203 memset(&cmd, 0, sizeof(cmd)); 3204 cmd.sector_idx = cpu_to_le16(sector_index); 3205 cmd.sector_type = sector_type; 3206 cmd.cid = (u8)cid; 3207 rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid, 3208 &cmd, sizeof(cmd), 3209 WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, 3210 &reply, sizeof(reply), 3211 500); 3212 if (rc) 3213 return rc; 3214 return wil_rf_sector_status_to_rc(reply.evt.status); 3215 } 3216 3217 static int wil_rf_sector_set_selected(struct wiphy *wiphy, 3218 struct wireless_dev *wdev, 3219 const void *data, int data_len) 3220 { 3221 struct wil6210_priv *wil = wdev_to_wil(wdev); 3222 struct wil6210_vif *vif = wdev_to_vif(wil, wdev); 3223 int rc; 3224 struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1]; 3225 u16 sector_index; 3226 u8 sector_type, mac_addr[ETH_ALEN], i; 3227 int cid = 0; 3228 3229 if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) 3230 return -EOPNOTSUPP; 3231 3232 rc = nla_parse_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, 3233 data_len, wil_rf_sector_policy, NULL); 3234 if (rc) { 3235 wil_err(wil, "Invalid rf sector ATTR\n"); 3236 return rc; 3237 } 3238 3239 if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || 3240 !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { 3241 wil_err(wil, "Invalid rf sector spec\n"); 3242 return -EINVAL; 3243 } 3244 3245 sector_index = nla_get_u16( 3246 tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); 3247 if (sector_index >= WIL_MAX_RF_SECTORS && 3248 sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 3249 wil_err(wil, "Invalid sector index %d\n", sector_index); 3250 return -EINVAL; 3251 } 3252 3253 sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); 3254 if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { 3255 wil_err(wil, "Invalid sector type %d\n", sector_type); 3256 return -EINVAL; 3257 } 3258 3259 if (tb[QCA_ATTR_MAC_ADDR]) { 3260 ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); 3261 if (!is_broadcast_ether_addr(mac_addr)) { 3262 cid = wil_find_cid(wil, vif->mid, mac_addr); 3263 if (cid < 0) { 3264 wil_err(wil, "invalid MAC address %pM\n", 3265 mac_addr); 3266 return -ENOENT; 3267 } 3268 } else { 3269 if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) { 3270 wil_err(wil, "broadcast MAC valid only with unlocking\n"); 3271 return -EINVAL; 3272 } 3273 cid = -1; 3274 } 3275 } else { 3276 if (test_bit(wil_vif_fwconnected, vif->status)) { 3277 wil_err(wil, "must specify MAC address when connected\n"); 3278 return -EINVAL; 3279 } 3280 /* otherwise, using cid=0 for unassociated station */ 3281 } 3282 3283 if (cid >= 0) { 3284 rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index, 3285 sector_type, cid); 3286 } else { 3287 /* unlock all cids */ 3288 rc = wil_rf_sector_wmi_set_selected( 3289 wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX, 3290 sector_type, WIL_CID_ALL); 3291 if (rc == -EINVAL) { 3292 for (i = 0; i < wil->max_assoc_sta; i++) { 3293 if (wil->sta[i].mid != vif->mid) 3294 continue; 3295 rc = wil_rf_sector_wmi_set_selected( 3296 wil, vif->mid, 3297 WMI_INVALID_RF_SECTOR_INDEX, 3298 sector_type, i); 3299 /* the FW will silently ignore and return 3300 * success for unused cid, so abort the loop 3301 * on any other error 3302 */ 3303 if (rc) { 3304 wil_err(wil, "unlock cid %d failed with status %d\n", 3305 i, rc); 3306 break; 3307 } 3308 } 3309 } 3310 } 3311 3312 return rc; 3313 } 3314