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