1 /* 2 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include "wil6210.h" 18 #include "wmi.h" 19 20 #define CHAN60G(_channel, _flags) { \ 21 .band = IEEE80211_BAND_60GHZ, \ 22 .center_freq = 56160 + (2160 * (_channel)), \ 23 .hw_value = (_channel), \ 24 .flags = (_flags), \ 25 .max_antenna_gain = 0, \ 26 .max_power = 40, \ 27 } 28 29 static struct ieee80211_channel wil_60ghz_channels[] = { 30 CHAN60G(1, 0), 31 CHAN60G(2, 0), 32 CHAN60G(3, 0), 33 /* channel 4 not supported yet */ 34 }; 35 36 static struct ieee80211_supported_band wil_band_60ghz = { 37 .channels = wil_60ghz_channels, 38 .n_channels = ARRAY_SIZE(wil_60ghz_channels), 39 .ht_cap = { 40 .ht_supported = true, 41 .cap = 0, /* TODO */ 42 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ 43 .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ 44 .mcs = { 45 /* MCS 1..12 - SC PHY */ 46 .rx_mask = {0xfe, 0x1f}, /* 1..12 */ 47 .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ 48 }, 49 }, 50 }; 51 52 static const struct ieee80211_txrx_stypes 53 wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { 54 [NL80211_IFTYPE_STATION] = { 55 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 56 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 57 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 58 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 59 }, 60 [NL80211_IFTYPE_AP] = { 61 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 62 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 63 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 64 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 65 }, 66 [NL80211_IFTYPE_P2P_CLIENT] = { 67 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 68 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 69 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 70 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 71 }, 72 [NL80211_IFTYPE_P2P_GO] = { 73 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 74 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 75 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 76 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 77 }, 78 }; 79 80 static const u32 wil_cipher_suites[] = { 81 WLAN_CIPHER_SUITE_GCMP, 82 }; 83 84 int wil_iftype_nl2wmi(enum nl80211_iftype type) 85 { 86 static const struct { 87 enum nl80211_iftype nl; 88 enum wmi_network_type wmi; 89 } __nl2wmi[] = { 90 {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, 91 {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, 92 {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, 93 {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, 94 {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, 95 {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ 96 }; 97 uint i; 98 99 for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { 100 if (__nl2wmi[i].nl == type) 101 return __nl2wmi[i].wmi; 102 } 103 104 return -EOPNOTSUPP; 105 } 106 107 int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, 108 struct station_info *sinfo) 109 { 110 struct wmi_notify_req_cmd cmd = { 111 .cid = cid, 112 .interval_usec = 0, 113 }; 114 struct { 115 struct wil6210_mbox_hdr_wmi wmi; 116 struct wmi_notify_req_done_event evt; 117 } __packed reply; 118 struct wil_net_stats *stats = &wil->sta[cid].stats; 119 int rc; 120 121 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), 122 WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); 123 if (rc) 124 return rc; 125 126 wil_dbg_wmi(wil, "Link status for CID %d: {\n" 127 " MCS %d TSF 0x%016llx\n" 128 " BF status 0x%08x SNR 0x%08x SQI %d%%\n" 129 " Tx Tpt %d goodput %d Rx goodput %d\n" 130 " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", 131 cid, le16_to_cpu(reply.evt.bf_mcs), 132 le64_to_cpu(reply.evt.tsf), reply.evt.status, 133 le32_to_cpu(reply.evt.snr_val), 134 reply.evt.sqi, 135 le32_to_cpu(reply.evt.tx_tpt), 136 le32_to_cpu(reply.evt.tx_goodput), 137 le32_to_cpu(reply.evt.rx_goodput), 138 le16_to_cpu(reply.evt.my_rx_sector), 139 le16_to_cpu(reply.evt.my_tx_sector), 140 le16_to_cpu(reply.evt.other_rx_sector), 141 le16_to_cpu(reply.evt.other_tx_sector)); 142 143 sinfo->generation = wil->sinfo_gen; 144 145 sinfo->filled = STATION_INFO_RX_BYTES | 146 STATION_INFO_TX_BYTES | 147 STATION_INFO_RX_PACKETS | 148 STATION_INFO_TX_PACKETS | 149 STATION_INFO_RX_BITRATE | 150 STATION_INFO_TX_BITRATE | 151 STATION_INFO_RX_DROP_MISC | 152 STATION_INFO_TX_FAILED; 153 154 sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; 155 sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); 156 sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; 157 sinfo->rxrate.mcs = stats->last_mcs_rx; 158 sinfo->rx_bytes = stats->rx_bytes; 159 sinfo->rx_packets = stats->rx_packets; 160 sinfo->rx_dropped_misc = stats->rx_dropped; 161 sinfo->tx_bytes = stats->tx_bytes; 162 sinfo->tx_packets = stats->tx_packets; 163 sinfo->tx_failed = stats->tx_errors; 164 165 if (test_bit(wil_status_fwconnected, &wil->status)) { 166 sinfo->filled |= STATION_INFO_SIGNAL; 167 sinfo->signal = reply.evt.sqi; 168 } 169 170 return rc; 171 } 172 173 static int wil_cfg80211_get_station(struct wiphy *wiphy, 174 struct net_device *ndev, 175 const u8 *mac, struct station_info *sinfo) 176 { 177 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 178 int rc; 179 180 int cid = wil_find_cid(wil, mac); 181 182 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); 183 if (cid < 0) 184 return cid; 185 186 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 187 188 return rc; 189 } 190 191 /* 192 * Find @idx-th active STA for station dump. 193 */ 194 static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) 195 { 196 int i; 197 198 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { 199 if (wil->sta[i].status == wil_sta_unused) 200 continue; 201 if (idx == 0) 202 return i; 203 idx--; 204 } 205 206 return -ENOENT; 207 } 208 209 static int wil_cfg80211_dump_station(struct wiphy *wiphy, 210 struct net_device *dev, int idx, 211 u8 *mac, struct station_info *sinfo) 212 { 213 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 214 int rc; 215 int cid = wil_find_cid_by_idx(wil, idx); 216 217 if (cid < 0) 218 return -ENOENT; 219 220 memcpy(mac, wil->sta[cid].addr, ETH_ALEN); 221 wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); 222 223 rc = wil_cid_fill_sinfo(wil, cid, sinfo); 224 225 return rc; 226 } 227 228 static int wil_cfg80211_change_iface(struct wiphy *wiphy, 229 struct net_device *ndev, 230 enum nl80211_iftype type, u32 *flags, 231 struct vif_params *params) 232 { 233 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 234 struct wireless_dev *wdev = wil->wdev; 235 236 switch (type) { 237 case NL80211_IFTYPE_STATION: 238 case NL80211_IFTYPE_AP: 239 case NL80211_IFTYPE_P2P_CLIENT: 240 case NL80211_IFTYPE_P2P_GO: 241 break; 242 case NL80211_IFTYPE_MONITOR: 243 if (flags) 244 wil->monitor_flags = *flags; 245 else 246 wil->monitor_flags = 0; 247 248 break; 249 default: 250 return -EOPNOTSUPP; 251 } 252 253 wdev->iftype = type; 254 255 return 0; 256 } 257 258 static int wil_cfg80211_scan(struct wiphy *wiphy, 259 struct cfg80211_scan_request *request) 260 { 261 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 262 struct wireless_dev *wdev = wil->wdev; 263 struct { 264 struct wmi_start_scan_cmd cmd; 265 u16 chnl[4]; 266 } __packed cmd; 267 uint i, n; 268 int rc; 269 270 if (wil->scan_request) { 271 wil_err(wil, "Already scanning\n"); 272 return -EAGAIN; 273 } 274 275 /* check we are client side */ 276 switch (wdev->iftype) { 277 case NL80211_IFTYPE_STATION: 278 case NL80211_IFTYPE_P2P_CLIENT: 279 break; 280 default: 281 return -EOPNOTSUPP; 282 } 283 284 /* FW don't support scan after connection attempt */ 285 if (test_bit(wil_status_dontscan, &wil->status)) { 286 wil_err(wil, "Can't scan now\n"); 287 return -EBUSY; 288 } 289 290 wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); 291 wil->scan_request = request; 292 mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); 293 294 memset(&cmd, 0, sizeof(cmd)); 295 cmd.cmd.num_channels = 0; 296 n = min(request->n_channels, 4U); 297 for (i = 0; i < n; i++) { 298 int ch = request->channels[i]->hw_value; 299 300 if (ch == 0) { 301 wil_err(wil, 302 "Scan requested for unknown frequency %dMhz\n", 303 request->channels[i]->center_freq); 304 continue; 305 } 306 /* 0-based channel indexes */ 307 cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; 308 wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, 309 request->channels[i]->center_freq); 310 } 311 312 if (request->ie_len) 313 print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, 314 request->ie, request->ie_len); 315 else 316 wil_dbg_misc(wil, "Scan has no IE's\n"); 317 318 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, 319 request->ie); 320 if (rc) { 321 wil_err(wil, "Aborting scan, set_ie failed: %d\n", rc); 322 goto out; 323 } 324 325 rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + 326 cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); 327 328 out: 329 if (rc) { 330 del_timer_sync(&wil->scan_timer); 331 wil->scan_request = NULL; 332 } 333 334 return rc; 335 } 336 337 static void wil_print_connect_params(struct wil6210_priv *wil, 338 struct cfg80211_connect_params *sme) 339 { 340 wil_info(wil, "Connecting to:\n"); 341 if (sme->channel) { 342 wil_info(wil, " Channel: %d freq %d\n", 343 sme->channel->hw_value, sme->channel->center_freq); 344 } 345 if (sme->bssid) 346 wil_info(wil, " BSSID: %pM\n", sme->bssid); 347 if (sme->ssid) 348 print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 349 16, 1, sme->ssid, sme->ssid_len, true); 350 wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); 351 } 352 353 static int wil_cfg80211_connect(struct wiphy *wiphy, 354 struct net_device *ndev, 355 struct cfg80211_connect_params *sme) 356 { 357 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 358 struct cfg80211_bss *bss; 359 struct wmi_connect_cmd conn; 360 const u8 *ssid_eid; 361 const u8 *rsn_eid; 362 int ch; 363 int rc = 0; 364 365 if (test_bit(wil_status_fwconnecting, &wil->status) || 366 test_bit(wil_status_fwconnected, &wil->status)) 367 return -EALREADY; 368 369 wil_print_connect_params(wil, sme); 370 371 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, 372 sme->ssid, sme->ssid_len, 373 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); 374 if (!bss) { 375 wil_err(wil, "Unable to find BSS\n"); 376 return -ENOENT; 377 } 378 379 ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); 380 if (!ssid_eid) { 381 wil_err(wil, "No SSID\n"); 382 rc = -ENOENT; 383 goto out; 384 } 385 386 rsn_eid = sme->ie ? 387 cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : 388 NULL; 389 if (rsn_eid) { 390 if (sme->ie_len > WMI_MAX_IE_LEN) { 391 rc = -ERANGE; 392 wil_err(wil, "IE too large (%td bytes)\n", 393 sme->ie_len); 394 goto out; 395 } 396 /* For secure assoc, send WMI_DELETE_CIPHER_KEY_CMD */ 397 rc = wmi_del_cipher_key(wil, 0, bss->bssid); 398 if (rc) { 399 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n"); 400 goto out; 401 } 402 } 403 404 /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info 405 * elements. Send it also in case it's empty, to erase previously set 406 * ies in FW. 407 */ 408 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); 409 if (rc) { 410 wil_err(wil, "WMI_SET_APPIE_CMD failed\n"); 411 goto out; 412 } 413 414 /* WMI_CONNECT_CMD */ 415 memset(&conn, 0, sizeof(conn)); 416 switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { 417 case WLAN_CAPABILITY_DMG_TYPE_AP: 418 conn.network_type = WMI_NETTYPE_INFRA; 419 break; 420 case WLAN_CAPABILITY_DMG_TYPE_PBSS: 421 conn.network_type = WMI_NETTYPE_P2P; 422 break; 423 default: 424 wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", 425 bss->capability); 426 goto out; 427 } 428 if (rsn_eid) { 429 conn.dot11_auth_mode = WMI_AUTH11_SHARED; 430 conn.auth_mode = WMI_AUTH_WPA2_PSK; 431 conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; 432 conn.pairwise_crypto_len = 16; 433 } else { 434 conn.dot11_auth_mode = WMI_AUTH11_OPEN; 435 conn.auth_mode = WMI_AUTH_NONE; 436 } 437 438 conn.ssid_len = min_t(u8, ssid_eid[1], 32); 439 memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); 440 441 ch = bss->channel->hw_value; 442 if (ch == 0) { 443 wil_err(wil, "BSS at unknown frequency %dMhz\n", 444 bss->channel->center_freq); 445 rc = -EOPNOTSUPP; 446 goto out; 447 } 448 conn.channel = ch - 1; 449 450 memcpy(conn.bssid, bss->bssid, ETH_ALEN); 451 memcpy(conn.dst_mac, bss->bssid, ETH_ALEN); 452 453 set_bit(wil_status_fwconnecting, &wil->status); 454 455 rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); 456 if (rc == 0) { 457 /* Connect can take lots of time */ 458 mod_timer(&wil->connect_timer, 459 jiffies + msecs_to_jiffies(2000)); 460 } else { 461 clear_bit(wil_status_fwconnecting, &wil->status); 462 } 463 464 out: 465 cfg80211_put_bss(wiphy, bss); 466 467 return rc; 468 } 469 470 static int wil_cfg80211_disconnect(struct wiphy *wiphy, 471 struct net_device *ndev, 472 u16 reason_code) 473 { 474 int rc; 475 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 476 477 rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0); 478 479 return rc; 480 } 481 482 int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 483 struct cfg80211_mgmt_tx_params *params, 484 u64 *cookie) 485 { 486 const u8 *buf = params->buf; 487 size_t len = params->len; 488 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 489 int rc; 490 bool tx_status = false; 491 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 492 struct wmi_sw_tx_req_cmd *cmd; 493 struct { 494 struct wil6210_mbox_hdr_wmi wmi; 495 struct wmi_sw_tx_complete_event evt; 496 } __packed evt; 497 498 cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); 499 if (!cmd) { 500 rc = -ENOMEM; 501 goto out; 502 } 503 504 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 505 cmd->len = cpu_to_le16(len); 506 memcpy(cmd->payload, buf, len); 507 508 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, 509 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 510 if (rc == 0) 511 tx_status = !evt.evt.status; 512 513 kfree(cmd); 514 out: 515 cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, 516 tx_status, GFP_KERNEL); 517 return rc; 518 } 519 520 static int wil_cfg80211_set_channel(struct wiphy *wiphy, 521 struct cfg80211_chan_def *chandef) 522 { 523 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 524 struct wireless_dev *wdev = wil->wdev; 525 526 wdev->preset_chandef = *chandef; 527 528 return 0; 529 } 530 531 static int wil_cfg80211_add_key(struct wiphy *wiphy, 532 struct net_device *ndev, 533 u8 key_index, bool pairwise, 534 const u8 *mac_addr, 535 struct key_params *params) 536 { 537 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 538 539 /* group key is not used */ 540 if (!pairwise) 541 return 0; 542 543 return wmi_add_cipher_key(wil, key_index, mac_addr, 544 params->key_len, params->key); 545 } 546 547 static int wil_cfg80211_del_key(struct wiphy *wiphy, 548 struct net_device *ndev, 549 u8 key_index, bool pairwise, 550 const u8 *mac_addr) 551 { 552 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 553 554 /* group key is not used */ 555 if (!pairwise) 556 return 0; 557 558 return wmi_del_cipher_key(wil, key_index, mac_addr); 559 } 560 561 /* Need to be present or wiphy_new() will WARN */ 562 static int wil_cfg80211_set_default_key(struct wiphy *wiphy, 563 struct net_device *ndev, 564 u8 key_index, bool unicast, 565 bool multicast) 566 { 567 return 0; 568 } 569 570 static int wil_remain_on_channel(struct wiphy *wiphy, 571 struct wireless_dev *wdev, 572 struct ieee80211_channel *chan, 573 unsigned int duration, 574 u64 *cookie) 575 { 576 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 577 int rc; 578 579 /* TODO: handle duration */ 580 wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration); 581 582 rc = wmi_set_channel(wil, chan->hw_value); 583 if (rc) 584 return rc; 585 586 rc = wmi_rxon(wil, true); 587 588 return rc; 589 } 590 591 static int wil_cancel_remain_on_channel(struct wiphy *wiphy, 592 struct wireless_dev *wdev, 593 u64 cookie) 594 { 595 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 596 int rc; 597 598 wil_info(wil, "%s()\n", __func__); 599 600 rc = wmi_rxon(wil, false); 601 602 return rc; 603 } 604 605 static void wil_print_bcon_data(struct cfg80211_beacon_data *b) 606 { 607 print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, 608 b->head, b->head_len); 609 print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, 610 b->tail, b->tail_len); 611 print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, 612 b->beacon_ies, b->beacon_ies_len); 613 print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, 614 b->probe_resp, b->probe_resp_len); 615 print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, 616 b->proberesp_ies, b->proberesp_ies_len); 617 print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, 618 b->assocresp_ies, b->assocresp_ies_len); 619 } 620 621 static void wil_print_crypto(struct wil6210_priv *wil, 622 struct cfg80211_crypto_settings *c) 623 { 624 wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", 625 c->wpa_versions, c->cipher_group); 626 wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise); 627 wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites); 628 wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", 629 c->control_port, be16_to_cpu(c->control_port_ethertype), 630 c->control_port_no_encrypt); 631 } 632 633 static int wil_fix_bcon(struct wil6210_priv *wil, 634 struct cfg80211_beacon_data *bcon) 635 { 636 struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; 637 size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); 638 int rc = 0; 639 640 if (bcon->probe_resp_len <= hlen) 641 return 0; 642 643 if (!bcon->proberesp_ies) { 644 bcon->proberesp_ies = f->u.probe_resp.variable; 645 bcon->proberesp_ies_len = bcon->probe_resp_len - hlen; 646 rc = 1; 647 } 648 if (!bcon->assocresp_ies) { 649 bcon->assocresp_ies = f->u.probe_resp.variable; 650 bcon->assocresp_ies_len = bcon->probe_resp_len - hlen; 651 rc = 1; 652 } 653 654 return rc; 655 } 656 657 static int wil_cfg80211_change_beacon(struct wiphy *wiphy, 658 struct net_device *ndev, 659 struct cfg80211_beacon_data *bcon) 660 { 661 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 662 int rc; 663 664 wil_dbg_misc(wil, "%s()\n", __func__); 665 666 if (wil_fix_bcon(wil, bcon)) { 667 wil_dbg_misc(wil, "Fixed bcon\n"); 668 wil_print_bcon_data(bcon); 669 } 670 671 /* FW do not form regular beacon, so bcon IE's are not set 672 * For the DMG bcon, when it will be supported, bcon IE's will 673 * be reused; add something like: 674 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len, 675 * bcon->beacon_ies); 676 */ 677 rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, 678 bcon->proberesp_ies_len, 679 bcon->proberesp_ies); 680 if (rc) { 681 wil_err(wil, "set_ie(PROBE_RESP) failed\n"); 682 return rc; 683 } 684 685 rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, 686 bcon->assocresp_ies_len, 687 bcon->assocresp_ies); 688 if (rc) { 689 wil_err(wil, "set_ie(ASSOC_RESP) failed\n"); 690 return rc; 691 } 692 693 return 0; 694 } 695 696 static int wil_cfg80211_start_ap(struct wiphy *wiphy, 697 struct net_device *ndev, 698 struct cfg80211_ap_settings *info) 699 { 700 int rc = 0; 701 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 702 struct wireless_dev *wdev = ndev->ieee80211_ptr; 703 struct ieee80211_channel *channel = info->chandef.chan; 704 struct cfg80211_beacon_data *bcon = &info->beacon; 705 struct cfg80211_crypto_settings *crypto = &info->crypto; 706 u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); 707 708 wil_dbg_misc(wil, "%s()\n", __func__); 709 710 if (!channel) { 711 wil_err(wil, "AP: No channel???\n"); 712 return -EINVAL; 713 } 714 715 wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, 716 channel->center_freq, info->privacy ? "secure" : "open"); 717 wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", 718 info->privacy, info->auth_type); 719 wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, 720 info->dtim_period); 721 print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, 722 info->ssid, info->ssid_len); 723 wil_print_bcon_data(bcon); 724 wil_print_crypto(wil, crypto); 725 726 if (wil_fix_bcon(wil, bcon)) { 727 wil_dbg_misc(wil, "Fixed bcon\n"); 728 wil_print_bcon_data(bcon); 729 } 730 731 wil_set_recovery_state(wil, fw_recovery_idle); 732 733 mutex_lock(&wil->mutex); 734 735 __wil_down(wil); 736 rc = __wil_up(wil); 737 if (rc) 738 goto out; 739 740 rc = wmi_set_ssid(wil, info->ssid_len, info->ssid); 741 if (rc) 742 goto out; 743 744 /* IE's */ 745 /* bcon 'head IE's are not relevant for 60g band */ 746 /* 747 * FW do not form regular beacon, so bcon IE's are not set 748 * For the DMG bcon, when it will be supported, bcon IE's will 749 * be reused; add something like: 750 * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len, 751 * bcon->beacon_ies); 752 */ 753 wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len, 754 bcon->proberesp_ies); 755 wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, 756 bcon->assocresp_ies); 757 758 wil->secure_pcp = info->privacy; 759 760 rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype, 761 channel->hw_value); 762 if (rc) 763 goto out; 764 765 netif_carrier_on(ndev); 766 767 out: 768 mutex_unlock(&wil->mutex); 769 return rc; 770 } 771 772 static int wil_cfg80211_stop_ap(struct wiphy *wiphy, 773 struct net_device *ndev) 774 { 775 int rc, rc1; 776 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 777 778 wil_dbg_misc(wil, "%s()\n", __func__); 779 780 wil_set_recovery_state(wil, fw_recovery_idle); 781 782 mutex_lock(&wil->mutex); 783 784 rc = wmi_pcp_stop(wil); 785 786 __wil_down(wil); 787 rc1 = __wil_up(wil); 788 789 mutex_unlock(&wil->mutex); 790 791 return min(rc, rc1); 792 } 793 794 static int wil_cfg80211_del_station(struct wiphy *wiphy, 795 struct net_device *dev, const u8 *mac) 796 { 797 struct wil6210_priv *wil = wiphy_to_wil(wiphy); 798 799 mutex_lock(&wil->mutex); 800 wil6210_disconnect(wil, mac); 801 mutex_unlock(&wil->mutex); 802 803 return 0; 804 } 805 806 static struct cfg80211_ops wil_cfg80211_ops = { 807 .scan = wil_cfg80211_scan, 808 .connect = wil_cfg80211_connect, 809 .disconnect = wil_cfg80211_disconnect, 810 .change_virtual_intf = wil_cfg80211_change_iface, 811 .get_station = wil_cfg80211_get_station, 812 .dump_station = wil_cfg80211_dump_station, 813 .remain_on_channel = wil_remain_on_channel, 814 .cancel_remain_on_channel = wil_cancel_remain_on_channel, 815 .mgmt_tx = wil_cfg80211_mgmt_tx, 816 .set_monitor_channel = wil_cfg80211_set_channel, 817 .add_key = wil_cfg80211_add_key, 818 .del_key = wil_cfg80211_del_key, 819 .set_default_key = wil_cfg80211_set_default_key, 820 /* AP mode */ 821 .change_beacon = wil_cfg80211_change_beacon, 822 .start_ap = wil_cfg80211_start_ap, 823 .stop_ap = wil_cfg80211_stop_ap, 824 .del_station = wil_cfg80211_del_station, 825 }; 826 827 static void wil_wiphy_init(struct wiphy *wiphy) 828 { 829 /* TODO: set real value */ 830 wiphy->max_scan_ssids = 10; 831 wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 832 wiphy->max_num_pmkids = 0 /* TODO: */; 833 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 834 BIT(NL80211_IFTYPE_AP) | 835 BIT(NL80211_IFTYPE_MONITOR); 836 /* TODO: enable P2P when integrated with supplicant: 837 * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) 838 */ 839 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 840 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 841 dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", 842 __func__, wiphy->flags); 843 wiphy->probe_resp_offload = 844 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 845 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 846 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 847 848 wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz; 849 850 /* TODO: figure this out */ 851 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 852 853 wiphy->cipher_suites = wil_cipher_suites; 854 wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); 855 wiphy->mgmt_stypes = wil_mgmt_stypes; 856 } 857 858 struct wireless_dev *wil_cfg80211_init(struct device *dev) 859 { 860 int rc = 0; 861 struct wireless_dev *wdev; 862 863 dev_dbg(dev, "%s()\n", __func__); 864 865 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); 866 if (!wdev) 867 return ERR_PTR(-ENOMEM); 868 869 wdev->wiphy = wiphy_new(&wil_cfg80211_ops, 870 sizeof(struct wil6210_priv)); 871 if (!wdev->wiphy) { 872 rc = -ENOMEM; 873 goto out; 874 } 875 876 set_wiphy_dev(wdev->wiphy, dev); 877 wil_wiphy_init(wdev->wiphy); 878 879 rc = wiphy_register(wdev->wiphy); 880 if (rc < 0) 881 goto out_failed_reg; 882 883 return wdev; 884 885 out_failed_reg: 886 wiphy_free(wdev->wiphy); 887 out: 888 kfree(wdev); 889 890 return ERR_PTR(rc); 891 } 892 893 void wil_wdev_free(struct wil6210_priv *wil) 894 { 895 struct wireless_dev *wdev = wil_to_wdev(wil); 896 897 dev_dbg(wil_to_dev(wil), "%s()\n", __func__); 898 899 if (!wdev) 900 return; 901 902 wiphy_unregister(wdev->wiphy); 903 wiphy_free(wdev->wiphy); 904 kfree(wdev); 905 } 906