1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (c) 2010 Broadcom Corporation 4 */ 5 6 /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ 7 8 #include <linux/kernel.h> 9 #include <linux/etherdevice.h> 10 #include <linux/module.h> 11 #include <linux/vmalloc.h> 12 #include <net/cfg80211.h> 13 #include <net/netlink.h> 14 #include <uapi/linux/if_arp.h> 15 16 #include <brcmu_utils.h> 17 #include <defs.h> 18 #include <brcmu_wifi.h> 19 #include "core.h" 20 #include "debug.h" 21 #include "tracepoint.h" 22 #include "fwil_types.h" 23 #include "p2p.h" 24 #include "btcoex.h" 25 #include "pno.h" 26 #include "fwsignal.h" 27 #include "cfg80211.h" 28 #include "feature.h" 29 #include "fwil.h" 30 #include "proto.h" 31 #include "vendor.h" 32 #include "bus.h" 33 #include "common.h" 34 35 #define BRCMF_SCAN_IE_LEN_MAX 2048 36 37 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ 38 #define WPA_OUI_TYPE 1 39 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ 40 #define WME_OUI_TYPE 2 41 #define WPS_OUI_TYPE 4 42 43 #define VS_IE_FIXED_HDR_LEN 6 44 #define WPA_IE_VERSION_LEN 2 45 #define WPA_IE_MIN_OUI_LEN 4 46 #define WPA_IE_SUITE_COUNT_LEN 2 47 48 #define WPA_CIPHER_NONE 0 /* None */ 49 #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ 50 #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ 51 #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ 52 #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ 53 54 #define RSN_AKM_NONE 0 /* None (IBSS) */ 55 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ 56 #define RSN_AKM_PSK 2 /* Pre-shared Key */ 57 #define RSN_AKM_SHA256_1X 5 /* SHA256, 802.1X */ 58 #define RSN_AKM_SHA256_PSK 6 /* SHA256, Pre-shared Key */ 59 #define RSN_AKM_SAE 8 /* SAE */ 60 #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ 61 #define RSN_CAP_PTK_REPLAY_CNTR_MASK (BIT(2) | BIT(3)) 62 #define RSN_CAP_MFPR_MASK BIT(6) 63 #define RSN_CAP_MFPC_MASK BIT(7) 64 #define RSN_PMKID_COUNT_LEN 2 65 66 #define VNDR_IE_CMD_LEN 4 /* length of the set command 67 * string :"add", "del" (+ NUL) 68 */ 69 #define VNDR_IE_COUNT_OFFSET 4 70 #define VNDR_IE_PKTFLAG_OFFSET 8 71 #define VNDR_IE_VSIE_OFFSET 12 72 #define VNDR_IE_HDR_SIZE 12 73 #define VNDR_IE_PARSE_LIMIT 5 74 75 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ 76 #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ 77 78 #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 79 #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 80 #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 81 82 #define BRCMF_SCAN_CHANNEL_TIME 40 83 #define BRCMF_SCAN_UNASSOC_TIME 40 84 #define BRCMF_SCAN_PASSIVE_TIME 120 85 86 #define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000) 87 88 #define BRCMF_PS_MAX_TIMEOUT_MS 2000 89 90 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ 91 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) 92 93 static bool check_vif_up(struct brcmf_cfg80211_vif *vif) 94 { 95 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { 96 brcmf_dbg(INFO, "device is not ready : status (%lu)\n", 97 vif->sme_state); 98 return false; 99 } 100 return true; 101 } 102 103 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) 104 #define RATETAB_ENT(_rateid, _flags) \ 105 { \ 106 .bitrate = RATE_TO_BASE100KBPS(_rateid), \ 107 .hw_value = (_rateid), \ 108 .flags = (_flags), \ 109 } 110 111 static struct ieee80211_rate __wl_rates[] = { 112 RATETAB_ENT(BRCM_RATE_1M, 0), 113 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), 114 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), 115 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), 116 RATETAB_ENT(BRCM_RATE_6M, 0), 117 RATETAB_ENT(BRCM_RATE_9M, 0), 118 RATETAB_ENT(BRCM_RATE_12M, 0), 119 RATETAB_ENT(BRCM_RATE_18M, 0), 120 RATETAB_ENT(BRCM_RATE_24M, 0), 121 RATETAB_ENT(BRCM_RATE_36M, 0), 122 RATETAB_ENT(BRCM_RATE_48M, 0), 123 RATETAB_ENT(BRCM_RATE_54M, 0), 124 }; 125 126 #define wl_g_rates (__wl_rates + 0) 127 #define wl_g_rates_size ARRAY_SIZE(__wl_rates) 128 #define wl_a_rates (__wl_rates + 4) 129 #define wl_a_rates_size (wl_g_rates_size - 4) 130 131 #define CHAN2G(_channel, _freq) { \ 132 .band = NL80211_BAND_2GHZ, \ 133 .center_freq = (_freq), \ 134 .hw_value = (_channel), \ 135 .max_antenna_gain = 0, \ 136 .max_power = 30, \ 137 } 138 139 #define CHAN5G(_channel) { \ 140 .band = NL80211_BAND_5GHZ, \ 141 .center_freq = 5000 + (5 * (_channel)), \ 142 .hw_value = (_channel), \ 143 .max_antenna_gain = 0, \ 144 .max_power = 30, \ 145 } 146 147 static struct ieee80211_channel __wl_2ghz_channels[] = { 148 CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), 149 CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), 150 CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), 151 CHAN2G(13, 2472), CHAN2G(14, 2484) 152 }; 153 154 static struct ieee80211_channel __wl_5ghz_channels[] = { 155 CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42), 156 CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56), 157 CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108), 158 CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128), 159 CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149), 160 CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165) 161 }; 162 163 /* Band templates duplicated per wiphy. The channel info 164 * above is added to the band during setup. 165 */ 166 static const struct ieee80211_supported_band __wl_band_2ghz = { 167 .band = NL80211_BAND_2GHZ, 168 .bitrates = wl_g_rates, 169 .n_bitrates = wl_g_rates_size, 170 }; 171 172 static const struct ieee80211_supported_band __wl_band_5ghz = { 173 .band = NL80211_BAND_5GHZ, 174 .bitrates = wl_a_rates, 175 .n_bitrates = wl_a_rates_size, 176 }; 177 178 /* This is to override regulatory domains defined in cfg80211 module (reg.c) 179 * By default world regulatory domain defined in reg.c puts the flags 180 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). 181 * With respect to these flags, wpa_supplicant doesn't * start p2p 182 * operations on 5GHz channels. All the changes in world regulatory 183 * domain are to be done here. 184 */ 185 static const struct ieee80211_regdomain brcmf_regdom = { 186 .n_reg_rules = 4, 187 .alpha2 = "99", 188 .reg_rules = { 189 /* IEEE 802.11b/g, channels 1..11 */ 190 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), 191 /* If any */ 192 /* IEEE 802.11 channel 14 - Only JP enables 193 * this and for 802.11b only 194 */ 195 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), 196 /* IEEE 802.11a, channel 36..64 */ 197 REG_RULE(5150-10, 5350+10, 160, 6, 20, 0), 198 /* IEEE 802.11a, channel 100..165 */ 199 REG_RULE(5470-10, 5850+10, 160, 6, 20, 0), } 200 }; 201 202 /* Note: brcmf_cipher_suites is an array of int defining which cipher suites 203 * are supported. A pointer to this array and the number of entries is passed 204 * on to upper layers. AES_CMAC defines whether or not the driver supports MFP. 205 * So the cipher suite AES_CMAC has to be the last one in the array, and when 206 * device does not support MFP then the number of suites will be decreased by 1 207 */ 208 static const u32 brcmf_cipher_suites[] = { 209 WLAN_CIPHER_SUITE_WEP40, 210 WLAN_CIPHER_SUITE_WEP104, 211 WLAN_CIPHER_SUITE_TKIP, 212 WLAN_CIPHER_SUITE_CCMP, 213 /* Keep as last entry: */ 214 WLAN_CIPHER_SUITE_AES_CMAC 215 }; 216 217 /* Vendor specific ie. id = 221, oui and type defines exact ie */ 218 struct brcmf_vs_tlv { 219 u8 id; 220 u8 len; 221 u8 oui[3]; 222 u8 oui_type; 223 }; 224 225 struct parsed_vndr_ie_info { 226 u8 *ie_ptr; 227 u32 ie_len; /* total length including id & length field */ 228 struct brcmf_vs_tlv vndrie; 229 }; 230 231 struct parsed_vndr_ies { 232 u32 count; 233 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; 234 }; 235 236 static u8 nl80211_band_to_fwil(enum nl80211_band band) 237 { 238 switch (band) { 239 case NL80211_BAND_2GHZ: 240 return WLC_BAND_2G; 241 case NL80211_BAND_5GHZ: 242 return WLC_BAND_5G; 243 default: 244 WARN_ON(1); 245 break; 246 } 247 return 0; 248 } 249 250 static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, 251 struct cfg80211_chan_def *ch) 252 { 253 struct brcmu_chan ch_inf; 254 s32 primary_offset; 255 256 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", 257 ch->chan->center_freq, ch->center_freq1, ch->width); 258 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); 259 primary_offset = ch->chan->center_freq - ch->center_freq1; 260 switch (ch->width) { 261 case NL80211_CHAN_WIDTH_20: 262 case NL80211_CHAN_WIDTH_20_NOHT: 263 ch_inf.bw = BRCMU_CHAN_BW_20; 264 WARN_ON(primary_offset != 0); 265 break; 266 case NL80211_CHAN_WIDTH_40: 267 ch_inf.bw = BRCMU_CHAN_BW_40; 268 if (primary_offset > 0) 269 ch_inf.sb = BRCMU_CHAN_SB_U; 270 else 271 ch_inf.sb = BRCMU_CHAN_SB_L; 272 break; 273 case NL80211_CHAN_WIDTH_80: 274 ch_inf.bw = BRCMU_CHAN_BW_80; 275 if (primary_offset == -30) 276 ch_inf.sb = BRCMU_CHAN_SB_LL; 277 else if (primary_offset == -10) 278 ch_inf.sb = BRCMU_CHAN_SB_LU; 279 else if (primary_offset == 10) 280 ch_inf.sb = BRCMU_CHAN_SB_UL; 281 else 282 ch_inf.sb = BRCMU_CHAN_SB_UU; 283 break; 284 case NL80211_CHAN_WIDTH_160: 285 ch_inf.bw = BRCMU_CHAN_BW_160; 286 if (primary_offset == -70) 287 ch_inf.sb = BRCMU_CHAN_SB_LLL; 288 else if (primary_offset == -50) 289 ch_inf.sb = BRCMU_CHAN_SB_LLU; 290 else if (primary_offset == -30) 291 ch_inf.sb = BRCMU_CHAN_SB_LUL; 292 else if (primary_offset == -10) 293 ch_inf.sb = BRCMU_CHAN_SB_LUU; 294 else if (primary_offset == 10) 295 ch_inf.sb = BRCMU_CHAN_SB_ULL; 296 else if (primary_offset == 30) 297 ch_inf.sb = BRCMU_CHAN_SB_ULU; 298 else if (primary_offset == 50) 299 ch_inf.sb = BRCMU_CHAN_SB_UUL; 300 else 301 ch_inf.sb = BRCMU_CHAN_SB_UUU; 302 break; 303 case NL80211_CHAN_WIDTH_80P80: 304 case NL80211_CHAN_WIDTH_5: 305 case NL80211_CHAN_WIDTH_10: 306 default: 307 WARN_ON_ONCE(1); 308 } 309 switch (ch->chan->band) { 310 case NL80211_BAND_2GHZ: 311 ch_inf.band = BRCMU_CHAN_BAND_2G; 312 break; 313 case NL80211_BAND_5GHZ: 314 ch_inf.band = BRCMU_CHAN_BAND_5G; 315 break; 316 case NL80211_BAND_60GHZ: 317 default: 318 WARN_ON_ONCE(1); 319 } 320 d11inf->encchspec(&ch_inf); 321 322 brcmf_dbg(TRACE, "chanspec: 0x%x\n", ch_inf.chspec); 323 return ch_inf.chspec; 324 } 325 326 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, 327 struct ieee80211_channel *ch) 328 { 329 struct brcmu_chan ch_inf; 330 331 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); 332 ch_inf.bw = BRCMU_CHAN_BW_20; 333 d11inf->encchspec(&ch_inf); 334 335 return ch_inf.chspec; 336 } 337 338 /* Traverse a string of 1-byte tag/1-byte length/variable-length value 339 * triples, returning a pointer to the substring whose first element 340 * matches tag 341 */ 342 static const struct brcmf_tlv * 343 brcmf_parse_tlvs(const void *buf, int buflen, uint key) 344 { 345 const struct brcmf_tlv *elt = buf; 346 int totlen = buflen; 347 348 /* find tagged parameter */ 349 while (totlen >= TLV_HDR_LEN) { 350 int len = elt->len; 351 352 /* validate remaining totlen */ 353 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) 354 return elt; 355 356 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); 357 totlen -= (len + TLV_HDR_LEN); 358 } 359 360 return NULL; 361 } 362 363 /* Is any of the tlvs the expected entry? If 364 * not update the tlvs buffer pointer/length. 365 */ 366 static bool 367 brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, 368 const u8 *oui, u32 oui_len, u8 type) 369 { 370 /* If the contents match the OUI and the type */ 371 if (ie[TLV_LEN_OFF] >= oui_len + 1 && 372 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && 373 type == ie[TLV_BODY_OFF + oui_len]) { 374 return true; 375 } 376 377 if (tlvs == NULL) 378 return false; 379 /* point to the next ie */ 380 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; 381 /* calculate the length of the rest of the buffer */ 382 *tlvs_len -= (int)(ie - *tlvs); 383 /* update the pointer to the start of the buffer */ 384 *tlvs = ie; 385 386 return false; 387 } 388 389 static struct brcmf_vs_tlv * 390 brcmf_find_wpaie(const u8 *parse, u32 len) 391 { 392 const struct brcmf_tlv *ie; 393 394 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { 395 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, 396 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) 397 return (struct brcmf_vs_tlv *)ie; 398 } 399 return NULL; 400 } 401 402 static struct brcmf_vs_tlv * 403 brcmf_find_wpsie(const u8 *parse, u32 len) 404 { 405 const struct brcmf_tlv *ie; 406 407 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { 408 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, 409 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) 410 return (struct brcmf_vs_tlv *)ie; 411 } 412 return NULL; 413 } 414 415 static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg, 416 struct brcmf_cfg80211_vif *vif, 417 enum nl80211_iftype new_type) 418 { 419 struct brcmf_cfg80211_vif *pos; 420 bool check_combos = false; 421 int ret = 0; 422 struct iface_combination_params params = { 423 .num_different_channels = 1, 424 }; 425 426 list_for_each_entry(pos, &cfg->vif_list, list) 427 if (pos == vif) { 428 params.iftype_num[new_type]++; 429 } else { 430 /* concurrent interfaces so need check combinations */ 431 check_combos = true; 432 params.iftype_num[pos->wdev.iftype]++; 433 } 434 435 if (check_combos) 436 ret = cfg80211_check_combinations(cfg->wiphy, ¶ms); 437 438 return ret; 439 } 440 441 static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg, 442 enum nl80211_iftype new_type) 443 { 444 struct brcmf_cfg80211_vif *pos; 445 struct iface_combination_params params = { 446 .num_different_channels = 1, 447 }; 448 449 list_for_each_entry(pos, &cfg->vif_list, list) 450 params.iftype_num[pos->wdev.iftype]++; 451 452 params.iftype_num[new_type]++; 453 return cfg80211_check_combinations(cfg->wiphy, ¶ms); 454 } 455 456 static void convert_key_from_CPU(struct brcmf_wsec_key *key, 457 struct brcmf_wsec_key_le *key_le) 458 { 459 key_le->index = cpu_to_le32(key->index); 460 key_le->len = cpu_to_le32(key->len); 461 key_le->algo = cpu_to_le32(key->algo); 462 key_le->flags = cpu_to_le32(key->flags); 463 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); 464 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); 465 key_le->iv_initialized = cpu_to_le32(key->iv_initialized); 466 memcpy(key_le->data, key->data, sizeof(key->data)); 467 memcpy(key_le->ea, key->ea, sizeof(key->ea)); 468 } 469 470 static int 471 send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key) 472 { 473 struct brcmf_pub *drvr = ifp->drvr; 474 int err; 475 struct brcmf_wsec_key_le key_le; 476 477 convert_key_from_CPU(key, &key_le); 478 479 brcmf_netdev_wait_pend8021x(ifp); 480 481 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le, 482 sizeof(key_le)); 483 484 if (err) 485 bphy_err(drvr, "wsec_key error (%d)\n", err); 486 return err; 487 } 488 489 static void 490 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) 491 { 492 struct brcmf_cfg80211_vif *vif; 493 struct brcmf_if *ifp; 494 495 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); 496 ifp = vif->ifp; 497 498 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || 499 (wdev->iftype == NL80211_IFTYPE_AP) || 500 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) 501 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, 502 ADDR_DIRECT); 503 else 504 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, 505 ADDR_INDIRECT); 506 } 507 508 static int brcmf_get_first_free_bsscfgidx(struct brcmf_pub *drvr) 509 { 510 int bsscfgidx; 511 512 for (bsscfgidx = 0; bsscfgidx < BRCMF_MAX_IFS; bsscfgidx++) { 513 /* bsscfgidx 1 is reserved for legacy P2P */ 514 if (bsscfgidx == 1) 515 continue; 516 if (!drvr->iflist[bsscfgidx]) 517 return bsscfgidx; 518 } 519 520 return -ENOMEM; 521 } 522 523 static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp) 524 { 525 struct brcmf_pub *drvr = ifp->drvr; 526 struct brcmf_mbss_ssid_le mbss_ssid_le; 527 int bsscfgidx; 528 int err; 529 530 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le)); 531 bsscfgidx = brcmf_get_first_free_bsscfgidx(ifp->drvr); 532 if (bsscfgidx < 0) 533 return bsscfgidx; 534 535 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx); 536 mbss_ssid_le.SSID_len = cpu_to_le32(5); 537 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx); 538 539 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le, 540 sizeof(mbss_ssid_le)); 541 if (err < 0) 542 bphy_err(drvr, "setting ssid failed %d\n", err); 543 544 return err; 545 } 546 547 /** 548 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS 549 * 550 * @wiphy: wiphy device of new interface. 551 * @name: name of the new interface. 552 * @params: contains mac address for AP device. 553 */ 554 static 555 struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name, 556 struct vif_params *params) 557 { 558 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 559 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); 560 struct brcmf_pub *drvr = cfg->pub; 561 struct brcmf_cfg80211_vif *vif; 562 int err; 563 564 if (brcmf_cfg80211_vif_event_armed(cfg)) 565 return ERR_PTR(-EBUSY); 566 567 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name); 568 569 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP); 570 if (IS_ERR(vif)) 571 return (struct wireless_dev *)vif; 572 573 brcmf_cfg80211_arm_vif_event(cfg, vif); 574 575 err = brcmf_cfg80211_request_ap_if(ifp); 576 if (err) { 577 brcmf_cfg80211_arm_vif_event(cfg, NULL); 578 goto fail; 579 } 580 581 /* wait for firmware event */ 582 err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD, 583 BRCMF_VIF_EVENT_TIMEOUT); 584 brcmf_cfg80211_arm_vif_event(cfg, NULL); 585 if (!err) { 586 bphy_err(drvr, "timeout occurred\n"); 587 err = -EIO; 588 goto fail; 589 } 590 591 /* interface created in firmware */ 592 ifp = vif->ifp; 593 if (!ifp) { 594 bphy_err(drvr, "no if pointer provided\n"); 595 err = -ENOENT; 596 goto fail; 597 } 598 599 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); 600 err = brcmf_net_attach(ifp, true); 601 if (err) { 602 bphy_err(drvr, "Registering netdevice failed\n"); 603 free_netdev(ifp->ndev); 604 goto fail; 605 } 606 607 return &ifp->vif->wdev; 608 609 fail: 610 brcmf_free_vif(vif); 611 return ERR_PTR(err); 612 } 613 614 static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) 615 { 616 enum nl80211_iftype iftype; 617 618 iftype = vif->wdev.iftype; 619 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; 620 } 621 622 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) 623 { 624 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; 625 } 626 627 /** 628 * brcmf_mon_add_vif() - create monitor mode virtual interface 629 * 630 * @wiphy: wiphy device of new interface. 631 * @name: name of the new interface. 632 */ 633 static struct wireless_dev *brcmf_mon_add_vif(struct wiphy *wiphy, 634 const char *name) 635 { 636 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 637 struct brcmf_cfg80211_vif *vif; 638 struct net_device *ndev; 639 struct brcmf_if *ifp; 640 int err; 641 642 if (cfg->pub->mon_if) { 643 err = -EEXIST; 644 goto err_out; 645 } 646 647 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_MONITOR); 648 if (IS_ERR(vif)) { 649 err = PTR_ERR(vif); 650 goto err_out; 651 } 652 653 ndev = alloc_netdev(sizeof(*ifp), name, NET_NAME_UNKNOWN, ether_setup); 654 if (!ndev) { 655 err = -ENOMEM; 656 goto err_free_vif; 657 } 658 ndev->type = ARPHRD_IEEE80211_RADIOTAP; 659 ndev->ieee80211_ptr = &vif->wdev; 660 ndev->needs_free_netdev = true; 661 ndev->priv_destructor = brcmf_cfg80211_free_netdev; 662 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); 663 664 ifp = netdev_priv(ndev); 665 ifp->vif = vif; 666 ifp->ndev = ndev; 667 ifp->drvr = cfg->pub; 668 669 vif->ifp = ifp; 670 vif->wdev.netdev = ndev; 671 672 err = brcmf_net_mon_attach(ifp); 673 if (err) { 674 brcmf_err("Failed to attach %s device\n", ndev->name); 675 free_netdev(ndev); 676 goto err_free_vif; 677 } 678 679 cfg->pub->mon_if = ifp; 680 681 return &vif->wdev; 682 683 err_free_vif: 684 brcmf_free_vif(vif); 685 err_out: 686 return ERR_PTR(err); 687 } 688 689 static int brcmf_mon_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) 690 { 691 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 692 struct net_device *ndev = wdev->netdev; 693 694 ndev->netdev_ops->ndo_stop(ndev); 695 696 brcmf_net_detach(ndev, true); 697 698 cfg->pub->mon_if = NULL; 699 700 return 0; 701 } 702 703 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, 704 const char *name, 705 unsigned char name_assign_type, 706 enum nl80211_iftype type, 707 struct vif_params *params) 708 { 709 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 710 struct brcmf_pub *drvr = cfg->pub; 711 struct wireless_dev *wdev; 712 int err; 713 714 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); 715 err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type); 716 if (err) { 717 bphy_err(drvr, "iface validation failed: err=%d\n", err); 718 return ERR_PTR(err); 719 } 720 switch (type) { 721 case NL80211_IFTYPE_ADHOC: 722 case NL80211_IFTYPE_STATION: 723 case NL80211_IFTYPE_AP_VLAN: 724 case NL80211_IFTYPE_WDS: 725 case NL80211_IFTYPE_MESH_POINT: 726 return ERR_PTR(-EOPNOTSUPP); 727 case NL80211_IFTYPE_MONITOR: 728 return brcmf_mon_add_vif(wiphy, name); 729 case NL80211_IFTYPE_AP: 730 wdev = brcmf_ap_add_vif(wiphy, name, params); 731 break; 732 case NL80211_IFTYPE_P2P_CLIENT: 733 case NL80211_IFTYPE_P2P_GO: 734 case NL80211_IFTYPE_P2P_DEVICE: 735 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, params); 736 break; 737 case NL80211_IFTYPE_UNSPECIFIED: 738 default: 739 return ERR_PTR(-EINVAL); 740 } 741 742 if (IS_ERR(wdev)) 743 bphy_err(drvr, "add iface %s type %d failed: err=%d\n", name, 744 type, (int)PTR_ERR(wdev)); 745 else 746 brcmf_cfg80211_update_proto_addr_mode(wdev); 747 748 return wdev; 749 } 750 751 static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) 752 { 753 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) 754 brcmf_set_mpc(ifp, mpc); 755 } 756 757 void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) 758 { 759 struct brcmf_pub *drvr = ifp->drvr; 760 s32 err = 0; 761 762 if (check_vif_up(ifp->vif)) { 763 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); 764 if (err) { 765 bphy_err(drvr, "fail to set mpc\n"); 766 return; 767 } 768 brcmf_dbg(INFO, "MPC : %d\n", mpc); 769 } 770 } 771 772 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, 773 struct brcmf_if *ifp, bool aborted, 774 bool fw_abort) 775 { 776 struct brcmf_pub *drvr = cfg->pub; 777 struct brcmf_scan_params_le params_le; 778 struct cfg80211_scan_request *scan_request; 779 u64 reqid; 780 u32 bucket; 781 s32 err = 0; 782 783 brcmf_dbg(SCAN, "Enter\n"); 784 785 /* clear scan request, because the FW abort can cause a second call */ 786 /* to this functon and might cause a double cfg80211_scan_done */ 787 scan_request = cfg->scan_request; 788 cfg->scan_request = NULL; 789 790 if (timer_pending(&cfg->escan_timeout)) 791 del_timer_sync(&cfg->escan_timeout); 792 793 if (fw_abort) { 794 /* Do a scan abort to stop the driver's scan engine */ 795 brcmf_dbg(SCAN, "ABORT scan in firmware\n"); 796 memset(¶ms_le, 0, sizeof(params_le)); 797 eth_broadcast_addr(params_le.bssid); 798 params_le.bss_type = DOT11_BSSTYPE_ANY; 799 params_le.scan_type = 0; 800 params_le.channel_num = cpu_to_le32(1); 801 params_le.nprobes = cpu_to_le32(1); 802 params_le.active_time = cpu_to_le32(-1); 803 params_le.passive_time = cpu_to_le32(-1); 804 params_le.home_time = cpu_to_le32(-1); 805 /* Scan is aborted by setting channel_list[0] to -1 */ 806 params_le.channel_list[0] = cpu_to_le16(-1); 807 /* E-Scan (or anyother type) can be aborted by SCAN */ 808 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, 809 ¶ms_le, sizeof(params_le)); 810 if (err) 811 bphy_err(drvr, "Scan abort failed\n"); 812 } 813 814 brcmf_scan_config_mpc(ifp, 1); 815 816 /* 817 * e-scan can be initiated internally 818 * which takes precedence. 819 */ 820 if (cfg->int_escan_map) { 821 brcmf_dbg(SCAN, "scheduled scan completed (%x)\n", 822 cfg->int_escan_map); 823 while (cfg->int_escan_map) { 824 bucket = __ffs(cfg->int_escan_map); 825 cfg->int_escan_map &= ~BIT(bucket); 826 reqid = brcmf_pno_find_reqid_by_bucket(cfg->pno, 827 bucket); 828 if (!aborted) { 829 brcmf_dbg(SCAN, "report results: reqid=%llu\n", 830 reqid); 831 cfg80211_sched_scan_results(cfg_to_wiphy(cfg), 832 reqid); 833 } 834 } 835 } else if (scan_request) { 836 struct cfg80211_scan_info info = { 837 .aborted = aborted, 838 }; 839 840 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", 841 aborted ? "Aborted" : "Done"); 842 cfg80211_scan_done(scan_request, &info); 843 } 844 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) 845 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); 846 847 return err; 848 } 849 850 static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy, 851 struct wireless_dev *wdev) 852 { 853 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 854 struct net_device *ndev = wdev->netdev; 855 struct brcmf_if *ifp = netdev_priv(ndev); 856 struct brcmf_pub *drvr = cfg->pub; 857 int ret; 858 int err; 859 860 brcmf_cfg80211_arm_vif_event(cfg, ifp->vif); 861 862 err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0); 863 if (err) { 864 bphy_err(drvr, "interface_remove failed %d\n", err); 865 goto err_unarm; 866 } 867 868 /* wait for firmware event */ 869 ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL, 870 BRCMF_VIF_EVENT_TIMEOUT); 871 if (!ret) { 872 bphy_err(drvr, "timeout occurred\n"); 873 err = -EIO; 874 goto err_unarm; 875 } 876 877 brcmf_remove_interface(ifp, true); 878 879 err_unarm: 880 brcmf_cfg80211_arm_vif_event(cfg, NULL); 881 return err; 882 } 883 884 static 885 int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 886 { 887 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 888 struct net_device *ndev = wdev->netdev; 889 890 if (ndev && ndev == cfg_to_ndev(cfg)) 891 return -ENOTSUPP; 892 893 /* vif event pending in firmware */ 894 if (brcmf_cfg80211_vif_event_armed(cfg)) 895 return -EBUSY; 896 897 if (ndev) { 898 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && 899 cfg->escan_info.ifp == netdev_priv(ndev)) 900 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), 901 true, true); 902 903 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); 904 } 905 906 switch (wdev->iftype) { 907 case NL80211_IFTYPE_ADHOC: 908 case NL80211_IFTYPE_STATION: 909 case NL80211_IFTYPE_AP_VLAN: 910 case NL80211_IFTYPE_WDS: 911 case NL80211_IFTYPE_MESH_POINT: 912 return -EOPNOTSUPP; 913 case NL80211_IFTYPE_MONITOR: 914 return brcmf_mon_del_vif(wiphy, wdev); 915 case NL80211_IFTYPE_AP: 916 return brcmf_cfg80211_del_ap_iface(wiphy, wdev); 917 case NL80211_IFTYPE_P2P_CLIENT: 918 case NL80211_IFTYPE_P2P_GO: 919 case NL80211_IFTYPE_P2P_DEVICE: 920 return brcmf_p2p_del_vif(wiphy, wdev); 921 case NL80211_IFTYPE_UNSPECIFIED: 922 default: 923 return -EINVAL; 924 } 925 return -EOPNOTSUPP; 926 } 927 928 static s32 929 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, 930 enum nl80211_iftype type, 931 struct vif_params *params) 932 { 933 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 934 struct brcmf_if *ifp = netdev_priv(ndev); 935 struct brcmf_cfg80211_vif *vif = ifp->vif; 936 struct brcmf_pub *drvr = cfg->pub; 937 s32 infra = 0; 938 s32 ap = 0; 939 s32 err = 0; 940 941 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx, 942 type); 943 944 /* WAR: There are a number of p2p interface related problems which 945 * need to be handled initially (before doing the validate). 946 * wpa_supplicant tends to do iface changes on p2p device/client/go 947 * which are not always possible/allowed. However we need to return 948 * OK otherwise the wpa_supplicant wont start. The situation differs 949 * on configuration and setup (p2pon=1 module param). The first check 950 * is to see if the request is a change to station for p2p iface. 951 */ 952 if ((type == NL80211_IFTYPE_STATION) && 953 ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || 954 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) || 955 (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) { 956 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); 957 /* Now depending on whether module param p2pon=1 was used the 958 * response needs to be either 0 or EOPNOTSUPP. The reason is 959 * that if p2pon=1 is used, but a newer supplicant is used then 960 * we should return an error, as this combination wont work. 961 * In other situations 0 is returned and supplicant will start 962 * normally. It will give a trace in cfg80211, but it is the 963 * only way to get it working. Unfortunately this will result 964 * in situation where we wont support new supplicant in 965 * combination with module param p2pon=1, but that is the way 966 * it is. If the user tries this then unloading of driver might 967 * fail/lock. 968 */ 969 if (cfg->p2p.p2pdev_dynamically) 970 return -EOPNOTSUPP; 971 else 972 return 0; 973 } 974 err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type); 975 if (err) { 976 bphy_err(drvr, "iface validation failed: err=%d\n", err); 977 return err; 978 } 979 switch (type) { 980 case NL80211_IFTYPE_MONITOR: 981 case NL80211_IFTYPE_WDS: 982 bphy_err(drvr, "type (%d) : currently we do not support this type\n", 983 type); 984 return -EOPNOTSUPP; 985 case NL80211_IFTYPE_ADHOC: 986 infra = 0; 987 break; 988 case NL80211_IFTYPE_STATION: 989 infra = 1; 990 break; 991 case NL80211_IFTYPE_AP: 992 case NL80211_IFTYPE_P2P_GO: 993 ap = 1; 994 break; 995 default: 996 err = -EINVAL; 997 goto done; 998 } 999 1000 if (ap) { 1001 if (type == NL80211_IFTYPE_P2P_GO) { 1002 brcmf_dbg(INFO, "IF Type = P2P GO\n"); 1003 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); 1004 } 1005 if (!err) { 1006 brcmf_dbg(INFO, "IF Type = AP\n"); 1007 } 1008 } else { 1009 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); 1010 if (err) { 1011 bphy_err(drvr, "WLC_SET_INFRA error (%d)\n", err); 1012 err = -EAGAIN; 1013 goto done; 1014 } 1015 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? 1016 "Adhoc" : "Infra"); 1017 } 1018 ndev->ieee80211_ptr->iftype = type; 1019 1020 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); 1021 1022 done: 1023 brcmf_dbg(TRACE, "Exit\n"); 1024 1025 return err; 1026 } 1027 1028 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, 1029 struct brcmf_scan_params_le *params_le, 1030 struct cfg80211_scan_request *request) 1031 { 1032 u32 n_ssids; 1033 u32 n_channels; 1034 s32 i; 1035 s32 offset; 1036 u16 chanspec; 1037 char *ptr; 1038 struct brcmf_ssid_le ssid_le; 1039 1040 eth_broadcast_addr(params_le->bssid); 1041 params_le->bss_type = DOT11_BSSTYPE_ANY; 1042 params_le->scan_type = BRCMF_SCANTYPE_ACTIVE; 1043 params_le->channel_num = 0; 1044 params_le->nprobes = cpu_to_le32(-1); 1045 params_le->active_time = cpu_to_le32(-1); 1046 params_le->passive_time = cpu_to_le32(-1); 1047 params_le->home_time = cpu_to_le32(-1); 1048 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); 1049 1050 n_ssids = request->n_ssids; 1051 n_channels = request->n_channels; 1052 1053 /* Copy channel array if applicable */ 1054 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", 1055 n_channels); 1056 if (n_channels > 0) { 1057 for (i = 0; i < n_channels; i++) { 1058 chanspec = channel_to_chanspec(&cfg->d11inf, 1059 request->channels[i]); 1060 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", 1061 request->channels[i]->hw_value, chanspec); 1062 params_le->channel_list[i] = cpu_to_le16(chanspec); 1063 } 1064 } else { 1065 brcmf_dbg(SCAN, "Scanning all channels\n"); 1066 } 1067 /* Copy ssid array if applicable */ 1068 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); 1069 if (n_ssids > 0) { 1070 offset = offsetof(struct brcmf_scan_params_le, channel_list) + 1071 n_channels * sizeof(u16); 1072 offset = roundup(offset, sizeof(u32)); 1073 ptr = (char *)params_le + offset; 1074 for (i = 0; i < n_ssids; i++) { 1075 memset(&ssid_le, 0, sizeof(ssid_le)); 1076 ssid_le.SSID_len = 1077 cpu_to_le32(request->ssids[i].ssid_len); 1078 memcpy(ssid_le.SSID, request->ssids[i].ssid, 1079 request->ssids[i].ssid_len); 1080 if (!ssid_le.SSID_len) 1081 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); 1082 else 1083 brcmf_dbg(SCAN, "%d: scan for %.32s size=%d\n", 1084 i, ssid_le.SSID, ssid_le.SSID_len); 1085 memcpy(ptr, &ssid_le, sizeof(ssid_le)); 1086 ptr += sizeof(ssid_le); 1087 } 1088 } else { 1089 brcmf_dbg(SCAN, "Performing passive scan\n"); 1090 params_le->scan_type = BRCMF_SCANTYPE_PASSIVE; 1091 } 1092 /* Adding mask to channel numbers */ 1093 params_le->channel_num = 1094 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | 1095 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); 1096 } 1097 1098 static s32 1099 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, 1100 struct cfg80211_scan_request *request) 1101 { 1102 struct brcmf_pub *drvr = cfg->pub; 1103 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + 1104 offsetof(struct brcmf_escan_params_le, params_le); 1105 struct brcmf_escan_params_le *params; 1106 s32 err = 0; 1107 1108 brcmf_dbg(SCAN, "E-SCAN START\n"); 1109 1110 if (request != NULL) { 1111 /* Allocate space for populating ssids in struct */ 1112 params_size += sizeof(u32) * ((request->n_channels + 1) / 2); 1113 1114 /* Allocate space for populating ssids in struct */ 1115 params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids; 1116 } 1117 1118 params = kzalloc(params_size, GFP_KERNEL); 1119 if (!params) { 1120 err = -ENOMEM; 1121 goto exit; 1122 } 1123 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); 1124 brcmf_escan_prep(cfg, ¶ms->params_le, request); 1125 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); 1126 params->action = cpu_to_le16(WL_ESCAN_ACTION_START); 1127 params->sync_id = cpu_to_le16(0x1234); 1128 1129 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); 1130 if (err) { 1131 if (err == -EBUSY) 1132 brcmf_dbg(INFO, "system busy : escan canceled\n"); 1133 else 1134 bphy_err(drvr, "error (%d)\n", err); 1135 } 1136 1137 kfree(params); 1138 exit: 1139 return err; 1140 } 1141 1142 static s32 1143 brcmf_do_escan(struct brcmf_if *ifp, struct cfg80211_scan_request *request) 1144 { 1145 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 1146 s32 err; 1147 struct brcmf_scan_results *results; 1148 struct escan_info *escan = &cfg->escan_info; 1149 1150 brcmf_dbg(SCAN, "Enter\n"); 1151 escan->ifp = ifp; 1152 escan->wiphy = cfg->wiphy; 1153 escan->escan_state = WL_ESCAN_STATE_SCANNING; 1154 1155 brcmf_scan_config_mpc(ifp, 0); 1156 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; 1157 results->version = 0; 1158 results->count = 0; 1159 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; 1160 1161 err = escan->run(cfg, ifp, request); 1162 if (err) 1163 brcmf_scan_config_mpc(ifp, 1); 1164 return err; 1165 } 1166 1167 static s32 1168 brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) 1169 { 1170 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 1171 struct brcmf_pub *drvr = cfg->pub; 1172 struct brcmf_cfg80211_vif *vif; 1173 s32 err = 0; 1174 1175 brcmf_dbg(TRACE, "Enter\n"); 1176 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); 1177 if (!check_vif_up(vif)) 1178 return -EIO; 1179 1180 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { 1181 bphy_err(drvr, "Scanning already: status (%lu)\n", 1182 cfg->scan_status); 1183 return -EAGAIN; 1184 } 1185 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { 1186 bphy_err(drvr, "Scanning being aborted: status (%lu)\n", 1187 cfg->scan_status); 1188 return -EAGAIN; 1189 } 1190 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { 1191 bphy_err(drvr, "Scanning suppressed: status (%lu)\n", 1192 cfg->scan_status); 1193 return -EAGAIN; 1194 } 1195 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state)) { 1196 bphy_err(drvr, "Connecting: status (%lu)\n", vif->sme_state); 1197 return -EAGAIN; 1198 } 1199 1200 /* If scan req comes for p2p0, send it over primary I/F */ 1201 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) 1202 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; 1203 1204 brcmf_dbg(SCAN, "START ESCAN\n"); 1205 1206 cfg->scan_request = request; 1207 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); 1208 1209 cfg->escan_info.run = brcmf_run_escan; 1210 err = brcmf_p2p_scan_prep(wiphy, request, vif); 1211 if (err) 1212 goto scan_out; 1213 1214 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG, 1215 request->ie, request->ie_len); 1216 if (err) 1217 goto scan_out; 1218 1219 err = brcmf_do_escan(vif->ifp, request); 1220 if (err) 1221 goto scan_out; 1222 1223 /* Arm scan timeout timer */ 1224 mod_timer(&cfg->escan_timeout, 1225 jiffies + msecs_to_jiffies(BRCMF_ESCAN_TIMER_INTERVAL_MS)); 1226 1227 return 0; 1228 1229 scan_out: 1230 bphy_err(drvr, "scan error (%d)\n", err); 1231 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); 1232 cfg->scan_request = NULL; 1233 return err; 1234 } 1235 1236 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) 1237 { 1238 struct brcmf_if *ifp = netdev_priv(ndev); 1239 struct brcmf_pub *drvr = ifp->drvr; 1240 s32 err = 0; 1241 1242 err = brcmf_fil_iovar_int_set(ifp, "rtsthresh", rts_threshold); 1243 if (err) 1244 bphy_err(drvr, "Error (%d)\n", err); 1245 1246 return err; 1247 } 1248 1249 static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) 1250 { 1251 struct brcmf_if *ifp = netdev_priv(ndev); 1252 struct brcmf_pub *drvr = ifp->drvr; 1253 s32 err = 0; 1254 1255 err = brcmf_fil_iovar_int_set(ifp, "fragthresh", 1256 frag_threshold); 1257 if (err) 1258 bphy_err(drvr, "Error (%d)\n", err); 1259 1260 return err; 1261 } 1262 1263 static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) 1264 { 1265 struct brcmf_if *ifp = netdev_priv(ndev); 1266 struct brcmf_pub *drvr = ifp->drvr; 1267 s32 err = 0; 1268 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); 1269 1270 err = brcmf_fil_cmd_int_set(ifp, cmd, retry); 1271 if (err) { 1272 bphy_err(drvr, "cmd (%d) , error (%d)\n", cmd, err); 1273 return err; 1274 } 1275 return err; 1276 } 1277 1278 static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1279 { 1280 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 1281 struct net_device *ndev = cfg_to_ndev(cfg); 1282 struct brcmf_if *ifp = netdev_priv(ndev); 1283 s32 err = 0; 1284 1285 brcmf_dbg(TRACE, "Enter\n"); 1286 if (!check_vif_up(ifp->vif)) 1287 return -EIO; 1288 1289 if (changed & WIPHY_PARAM_RTS_THRESHOLD && 1290 (cfg->conf->rts_threshold != wiphy->rts_threshold)) { 1291 cfg->conf->rts_threshold = wiphy->rts_threshold; 1292 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); 1293 if (!err) 1294 goto done; 1295 } 1296 if (changed & WIPHY_PARAM_FRAG_THRESHOLD && 1297 (cfg->conf->frag_threshold != wiphy->frag_threshold)) { 1298 cfg->conf->frag_threshold = wiphy->frag_threshold; 1299 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); 1300 if (!err) 1301 goto done; 1302 } 1303 if (changed & WIPHY_PARAM_RETRY_LONG 1304 && (cfg->conf->retry_long != wiphy->retry_long)) { 1305 cfg->conf->retry_long = wiphy->retry_long; 1306 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); 1307 if (!err) 1308 goto done; 1309 } 1310 if (changed & WIPHY_PARAM_RETRY_SHORT 1311 && (cfg->conf->retry_short != wiphy->retry_short)) { 1312 cfg->conf->retry_short = wiphy->retry_short; 1313 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); 1314 if (!err) 1315 goto done; 1316 } 1317 1318 done: 1319 brcmf_dbg(TRACE, "Exit\n"); 1320 return err; 1321 } 1322 1323 static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) 1324 { 1325 memset(prof, 0, sizeof(*prof)); 1326 } 1327 1328 static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) 1329 { 1330 u16 reason; 1331 1332 switch (e->event_code) { 1333 case BRCMF_E_DEAUTH: 1334 case BRCMF_E_DEAUTH_IND: 1335 case BRCMF_E_DISASSOC_IND: 1336 reason = e->reason; 1337 break; 1338 case BRCMF_E_LINK: 1339 default: 1340 reason = 0; 1341 break; 1342 } 1343 return reason; 1344 } 1345 1346 static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len) 1347 { 1348 struct brcmf_pub *drvr = ifp->drvr; 1349 struct brcmf_wsec_pmk_le pmk; 1350 int i, err; 1351 1352 /* convert to firmware key format */ 1353 pmk.key_len = cpu_to_le16(pmk_len << 1); 1354 pmk.flags = cpu_to_le16(BRCMF_WSEC_PASSPHRASE); 1355 for (i = 0; i < pmk_len; i++) 1356 snprintf(&pmk.key[2 * i], 3, "%02x", pmk_data[i]); 1357 1358 /* store psk in firmware */ 1359 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_WSEC_PMK, 1360 &pmk, sizeof(pmk)); 1361 if (err < 0) 1362 bphy_err(drvr, "failed to change PSK in firmware (len=%u)\n", 1363 pmk_len); 1364 1365 return err; 1366 } 1367 1368 static int brcmf_set_sae_password(struct brcmf_if *ifp, const u8 *pwd_data, 1369 u16 pwd_len) 1370 { 1371 struct brcmf_pub *drvr = ifp->drvr; 1372 struct brcmf_wsec_sae_pwd_le sae_pwd; 1373 int err; 1374 1375 if (pwd_len > BRCMF_WSEC_MAX_SAE_PASSWORD_LEN) { 1376 bphy_err(drvr, "sae_password must be less than %d\n", 1377 BRCMF_WSEC_MAX_SAE_PASSWORD_LEN); 1378 return -EINVAL; 1379 } 1380 1381 sae_pwd.key_len = cpu_to_le16(pwd_len); 1382 memcpy(sae_pwd.key, pwd_data, pwd_len); 1383 1384 err = brcmf_fil_iovar_data_set(ifp, "sae_password", &sae_pwd, 1385 sizeof(sae_pwd)); 1386 if (err < 0) 1387 bphy_err(drvr, "failed to set SAE password in firmware (len=%u)\n", 1388 pwd_len); 1389 1390 return err; 1391 } 1392 1393 static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason, 1394 bool locally_generated) 1395 { 1396 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); 1397 struct brcmf_pub *drvr = cfg->pub; 1398 bool bus_up = drvr->bus_if->state == BRCMF_BUS_UP; 1399 s32 err = 0; 1400 1401 brcmf_dbg(TRACE, "Enter\n"); 1402 1403 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { 1404 if (bus_up) { 1405 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n"); 1406 err = brcmf_fil_cmd_data_set(vif->ifp, 1407 BRCMF_C_DISASSOC, NULL, 0); 1408 if (err) 1409 bphy_err(drvr, "WLC_DISASSOC failed (%d)\n", 1410 err); 1411 } 1412 1413 if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) || 1414 (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) 1415 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, 1416 locally_generated, GFP_KERNEL); 1417 } 1418 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); 1419 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); 1420 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); 1421 if (vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_NONE) { 1422 if (bus_up) 1423 brcmf_set_pmk(vif->ifp, NULL, 0); 1424 vif->profile.use_fwsup = BRCMF_PROFILE_FWSUP_NONE; 1425 } 1426 brcmf_dbg(TRACE, "Exit\n"); 1427 } 1428 1429 static s32 1430 brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, 1431 struct cfg80211_ibss_params *params) 1432 { 1433 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 1434 struct brcmf_if *ifp = netdev_priv(ndev); 1435 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 1436 struct brcmf_pub *drvr = cfg->pub; 1437 struct brcmf_join_params join_params; 1438 size_t join_params_size = 0; 1439 s32 err = 0; 1440 s32 wsec = 0; 1441 s32 bcnprd; 1442 u16 chanspec; 1443 u32 ssid_len; 1444 1445 brcmf_dbg(TRACE, "Enter\n"); 1446 if (!check_vif_up(ifp->vif)) 1447 return -EIO; 1448 1449 if (params->ssid) 1450 brcmf_dbg(CONN, "SSID: %s\n", params->ssid); 1451 else { 1452 brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); 1453 return -EOPNOTSUPP; 1454 } 1455 1456 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); 1457 1458 if (params->bssid) 1459 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); 1460 else 1461 brcmf_dbg(CONN, "No BSSID specified\n"); 1462 1463 if (params->chandef.chan) 1464 brcmf_dbg(CONN, "channel: %d\n", 1465 params->chandef.chan->center_freq); 1466 else 1467 brcmf_dbg(CONN, "no channel specified\n"); 1468 1469 if (params->channel_fixed) 1470 brcmf_dbg(CONN, "fixed channel required\n"); 1471 else 1472 brcmf_dbg(CONN, "no fixed channel required\n"); 1473 1474 if (params->ie && params->ie_len) 1475 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); 1476 else 1477 brcmf_dbg(CONN, "no ie specified\n"); 1478 1479 if (params->beacon_interval) 1480 brcmf_dbg(CONN, "beacon interval: %d\n", 1481 params->beacon_interval); 1482 else 1483 brcmf_dbg(CONN, "no beacon interval specified\n"); 1484 1485 if (params->basic_rates) 1486 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); 1487 else 1488 brcmf_dbg(CONN, "no basic rates specified\n"); 1489 1490 if (params->privacy) 1491 brcmf_dbg(CONN, "privacy required\n"); 1492 else 1493 brcmf_dbg(CONN, "no privacy required\n"); 1494 1495 /* Configure Privacy for starter */ 1496 if (params->privacy) 1497 wsec |= WEP_ENABLED; 1498 1499 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); 1500 if (err) { 1501 bphy_err(drvr, "wsec failed (%d)\n", err); 1502 goto done; 1503 } 1504 1505 /* Configure Beacon Interval for starter */ 1506 if (params->beacon_interval) 1507 bcnprd = params->beacon_interval; 1508 else 1509 bcnprd = 100; 1510 1511 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); 1512 if (err) { 1513 bphy_err(drvr, "WLC_SET_BCNPRD failed (%d)\n", err); 1514 goto done; 1515 } 1516 1517 /* Configure required join parameter */ 1518 memset(&join_params, 0, sizeof(struct brcmf_join_params)); 1519 1520 /* SSID */ 1521 ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN); 1522 memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len); 1523 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); 1524 join_params_size = sizeof(join_params.ssid_le); 1525 1526 /* BSSID */ 1527 if (params->bssid) { 1528 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); 1529 join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE; 1530 memcpy(profile->bssid, params->bssid, ETH_ALEN); 1531 } else { 1532 eth_broadcast_addr(join_params.params_le.bssid); 1533 eth_zero_addr(profile->bssid); 1534 } 1535 1536 /* Channel */ 1537 if (params->chandef.chan) { 1538 u32 target_channel; 1539 1540 cfg->channel = 1541 ieee80211_frequency_to_channel( 1542 params->chandef.chan->center_freq); 1543 if (params->channel_fixed) { 1544 /* adding chanspec */ 1545 chanspec = chandef_to_chanspec(&cfg->d11inf, 1546 ¶ms->chandef); 1547 join_params.params_le.chanspec_list[0] = 1548 cpu_to_le16(chanspec); 1549 join_params.params_le.chanspec_num = cpu_to_le32(1); 1550 join_params_size += sizeof(join_params.params_le); 1551 } 1552 1553 /* set channel for starter */ 1554 target_channel = cfg->channel; 1555 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, 1556 target_channel); 1557 if (err) { 1558 bphy_err(drvr, "WLC_SET_CHANNEL failed (%d)\n", err); 1559 goto done; 1560 } 1561 } else 1562 cfg->channel = 0; 1563 1564 cfg->ibss_starter = false; 1565 1566 1567 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, 1568 &join_params, join_params_size); 1569 if (err) { 1570 bphy_err(drvr, "WLC_SET_SSID failed (%d)\n", err); 1571 goto done; 1572 } 1573 1574 done: 1575 if (err) 1576 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); 1577 brcmf_dbg(TRACE, "Exit\n"); 1578 return err; 1579 } 1580 1581 static s32 1582 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) 1583 { 1584 struct brcmf_if *ifp = netdev_priv(ndev); 1585 1586 brcmf_dbg(TRACE, "Enter\n"); 1587 if (!check_vif_up(ifp->vif)) { 1588 /* When driver is being unloaded, it can end up here. If an 1589 * error is returned then later on a debug trace in the wireless 1590 * core module will be printed. To avoid this 0 is returned. 1591 */ 1592 return 0; 1593 } 1594 1595 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING, true); 1596 brcmf_net_setcarrier(ifp, false); 1597 1598 brcmf_dbg(TRACE, "Exit\n"); 1599 1600 return 0; 1601 } 1602 1603 static s32 brcmf_set_wpa_version(struct net_device *ndev, 1604 struct cfg80211_connect_params *sme) 1605 { 1606 struct brcmf_if *ifp = netdev_priv(ndev); 1607 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); 1608 struct brcmf_pub *drvr = ifp->drvr; 1609 struct brcmf_cfg80211_security *sec; 1610 s32 val = 0; 1611 s32 err = 0; 1612 1613 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) 1614 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; 1615 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) 1616 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; 1617 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_3) 1618 val = WPA3_AUTH_SAE_PSK; 1619 else 1620 val = WPA_AUTH_DISABLED; 1621 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); 1622 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", val); 1623 if (err) { 1624 bphy_err(drvr, "set wpa_auth failed (%d)\n", err); 1625 return err; 1626 } 1627 sec = &profile->sec; 1628 sec->wpa_versions = sme->crypto.wpa_versions; 1629 return err; 1630 } 1631 1632 static s32 brcmf_set_auth_type(struct net_device *ndev, 1633 struct cfg80211_connect_params *sme) 1634 { 1635 struct brcmf_if *ifp = netdev_priv(ndev); 1636 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); 1637 struct brcmf_pub *drvr = ifp->drvr; 1638 struct brcmf_cfg80211_security *sec; 1639 s32 val = 0; 1640 s32 err = 0; 1641 1642 switch (sme->auth_type) { 1643 case NL80211_AUTHTYPE_OPEN_SYSTEM: 1644 val = 0; 1645 brcmf_dbg(CONN, "open system\n"); 1646 break; 1647 case NL80211_AUTHTYPE_SHARED_KEY: 1648 val = 1; 1649 brcmf_dbg(CONN, "shared key\n"); 1650 break; 1651 case NL80211_AUTHTYPE_SAE: 1652 val = 3; 1653 brcmf_dbg(CONN, "SAE authentication\n"); 1654 break; 1655 default: 1656 val = 2; 1657 brcmf_dbg(CONN, "automatic, auth type (%d)\n", sme->auth_type); 1658 break; 1659 } 1660 1661 err = brcmf_fil_bsscfg_int_set(ifp, "auth", val); 1662 if (err) { 1663 bphy_err(drvr, "set auth failed (%d)\n", err); 1664 return err; 1665 } 1666 sec = &profile->sec; 1667 sec->auth_type = sme->auth_type; 1668 return err; 1669 } 1670 1671 static s32 1672 brcmf_set_wsec_mode(struct net_device *ndev, 1673 struct cfg80211_connect_params *sme) 1674 { 1675 struct brcmf_if *ifp = netdev_priv(ndev); 1676 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); 1677 struct brcmf_pub *drvr = ifp->drvr; 1678 struct brcmf_cfg80211_security *sec; 1679 s32 pval = 0; 1680 s32 gval = 0; 1681 s32 wsec; 1682 s32 err = 0; 1683 1684 if (sme->crypto.n_ciphers_pairwise) { 1685 switch (sme->crypto.ciphers_pairwise[0]) { 1686 case WLAN_CIPHER_SUITE_WEP40: 1687 case WLAN_CIPHER_SUITE_WEP104: 1688 pval = WEP_ENABLED; 1689 break; 1690 case WLAN_CIPHER_SUITE_TKIP: 1691 pval = TKIP_ENABLED; 1692 break; 1693 case WLAN_CIPHER_SUITE_CCMP: 1694 pval = AES_ENABLED; 1695 break; 1696 case WLAN_CIPHER_SUITE_AES_CMAC: 1697 pval = AES_ENABLED; 1698 break; 1699 default: 1700 bphy_err(drvr, "invalid cipher pairwise (%d)\n", 1701 sme->crypto.ciphers_pairwise[0]); 1702 return -EINVAL; 1703 } 1704 } 1705 if (sme->crypto.cipher_group) { 1706 switch (sme->crypto.cipher_group) { 1707 case WLAN_CIPHER_SUITE_WEP40: 1708 case WLAN_CIPHER_SUITE_WEP104: 1709 gval = WEP_ENABLED; 1710 break; 1711 case WLAN_CIPHER_SUITE_TKIP: 1712 gval = TKIP_ENABLED; 1713 break; 1714 case WLAN_CIPHER_SUITE_CCMP: 1715 gval = AES_ENABLED; 1716 break; 1717 case WLAN_CIPHER_SUITE_AES_CMAC: 1718 gval = AES_ENABLED; 1719 break; 1720 default: 1721 bphy_err(drvr, "invalid cipher group (%d)\n", 1722 sme->crypto.cipher_group); 1723 return -EINVAL; 1724 } 1725 } 1726 1727 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); 1728 /* In case of privacy, but no security and WPS then simulate */ 1729 /* setting AES. WPS-2.0 allows no security */ 1730 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && 1731 sme->privacy) 1732 pval = AES_ENABLED; 1733 1734 wsec = pval | gval; 1735 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); 1736 if (err) { 1737 bphy_err(drvr, "error (%d)\n", err); 1738 return err; 1739 } 1740 1741 sec = &profile->sec; 1742 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; 1743 sec->cipher_group = sme->crypto.cipher_group; 1744 1745 return err; 1746 } 1747 1748 static s32 1749 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) 1750 { 1751 struct brcmf_if *ifp = netdev_priv(ndev); 1752 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 1753 struct brcmf_pub *drvr = ifp->drvr; 1754 s32 val; 1755 s32 err; 1756 const struct brcmf_tlv *rsn_ie; 1757 const u8 *ie; 1758 u32 ie_len; 1759 u32 offset; 1760 u16 rsn_cap; 1761 u32 mfp; 1762 u16 count; 1763 1764 profile->use_fwsup = BRCMF_PROFILE_FWSUP_NONE; 1765 profile->is_ft = false; 1766 1767 if (!sme->crypto.n_akm_suites) 1768 return 0; 1769 1770 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val); 1771 if (err) { 1772 bphy_err(drvr, "could not get wpa_auth (%d)\n", err); 1773 return err; 1774 } 1775 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { 1776 switch (sme->crypto.akm_suites[0]) { 1777 case WLAN_AKM_SUITE_8021X: 1778 val = WPA_AUTH_UNSPECIFIED; 1779 if (sme->want_1x) 1780 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X; 1781 break; 1782 case WLAN_AKM_SUITE_PSK: 1783 val = WPA_AUTH_PSK; 1784 break; 1785 default: 1786 bphy_err(drvr, "invalid cipher group (%d)\n", 1787 sme->crypto.cipher_group); 1788 return -EINVAL; 1789 } 1790 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { 1791 switch (sme->crypto.akm_suites[0]) { 1792 case WLAN_AKM_SUITE_8021X: 1793 val = WPA2_AUTH_UNSPECIFIED; 1794 if (sme->want_1x) 1795 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X; 1796 break; 1797 case WLAN_AKM_SUITE_8021X_SHA256: 1798 val = WPA2_AUTH_1X_SHA256; 1799 if (sme->want_1x) 1800 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X; 1801 break; 1802 case WLAN_AKM_SUITE_PSK_SHA256: 1803 val = WPA2_AUTH_PSK_SHA256; 1804 break; 1805 case WLAN_AKM_SUITE_PSK: 1806 val = WPA2_AUTH_PSK; 1807 break; 1808 case WLAN_AKM_SUITE_FT_8021X: 1809 val = WPA2_AUTH_UNSPECIFIED | WPA2_AUTH_FT; 1810 profile->is_ft = true; 1811 if (sme->want_1x) 1812 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X; 1813 break; 1814 case WLAN_AKM_SUITE_FT_PSK: 1815 val = WPA2_AUTH_PSK | WPA2_AUTH_FT; 1816 profile->is_ft = true; 1817 break; 1818 default: 1819 bphy_err(drvr, "invalid cipher group (%d)\n", 1820 sme->crypto.cipher_group); 1821 return -EINVAL; 1822 } 1823 } else if (val & WPA3_AUTH_SAE_PSK) { 1824 switch (sme->crypto.akm_suites[0]) { 1825 case WLAN_AKM_SUITE_SAE: 1826 val = WPA3_AUTH_SAE_PSK; 1827 if (sme->crypto.sae_pwd) { 1828 brcmf_dbg(INFO, "using SAE offload\n"); 1829 profile->use_fwsup = BRCMF_PROFILE_FWSUP_SAE; 1830 } 1831 break; 1832 default: 1833 bphy_err(drvr, "invalid cipher group (%d)\n", 1834 sme->crypto.cipher_group); 1835 return -EINVAL; 1836 } 1837 } 1838 1839 if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_1X) 1840 brcmf_dbg(INFO, "using 1X offload\n"); 1841 1842 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) 1843 goto skip_mfp_config; 1844 /* The MFP mode (1 or 2) needs to be determined, parse IEs. The 1845 * IE will not be verified, just a quick search for MFP config 1846 */ 1847 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len, 1848 WLAN_EID_RSN); 1849 if (!rsn_ie) 1850 goto skip_mfp_config; 1851 ie = (const u8 *)rsn_ie; 1852 ie_len = rsn_ie->len + TLV_HDR_LEN; 1853 /* Skip unicast suite */ 1854 offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN; 1855 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) 1856 goto skip_mfp_config; 1857 /* Skip multicast suite */ 1858 count = ie[offset] + (ie[offset + 1] << 8); 1859 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); 1860 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) 1861 goto skip_mfp_config; 1862 /* Skip auth key management suite(s) */ 1863 count = ie[offset] + (ie[offset + 1] << 8); 1864 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); 1865 if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len) 1866 goto skip_mfp_config; 1867 /* Ready to read capabilities */ 1868 mfp = BRCMF_MFP_NONE; 1869 rsn_cap = ie[offset] + (ie[offset + 1] << 8); 1870 if (rsn_cap & RSN_CAP_MFPR_MASK) 1871 mfp = BRCMF_MFP_REQUIRED; 1872 else if (rsn_cap & RSN_CAP_MFPC_MASK) 1873 mfp = BRCMF_MFP_CAPABLE; 1874 brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp); 1875 1876 skip_mfp_config: 1877 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); 1878 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); 1879 if (err) { 1880 bphy_err(drvr, "could not set wpa_auth (%d)\n", err); 1881 return err; 1882 } 1883 1884 return err; 1885 } 1886 1887 static s32 1888 brcmf_set_sharedkey(struct net_device *ndev, 1889 struct cfg80211_connect_params *sme) 1890 { 1891 struct brcmf_if *ifp = netdev_priv(ndev); 1892 struct brcmf_pub *drvr = ifp->drvr; 1893 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); 1894 struct brcmf_cfg80211_security *sec; 1895 struct brcmf_wsec_key key; 1896 s32 val; 1897 s32 err = 0; 1898 1899 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); 1900 1901 if (sme->key_len == 0) 1902 return 0; 1903 1904 sec = &profile->sec; 1905 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", 1906 sec->wpa_versions, sec->cipher_pairwise); 1907 1908 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2 | 1909 NL80211_WPA_VERSION_3)) 1910 return 0; 1911 1912 if (!(sec->cipher_pairwise & 1913 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) 1914 return 0; 1915 1916 memset(&key, 0, sizeof(key)); 1917 key.len = (u32) sme->key_len; 1918 key.index = (u32) sme->key_idx; 1919 if (key.len > sizeof(key.data)) { 1920 bphy_err(drvr, "Too long key length (%u)\n", key.len); 1921 return -EINVAL; 1922 } 1923 memcpy(key.data, sme->key, key.len); 1924 key.flags = BRCMF_PRIMARY_KEY; 1925 switch (sec->cipher_pairwise) { 1926 case WLAN_CIPHER_SUITE_WEP40: 1927 key.algo = CRYPTO_ALGO_WEP1; 1928 break; 1929 case WLAN_CIPHER_SUITE_WEP104: 1930 key.algo = CRYPTO_ALGO_WEP128; 1931 break; 1932 default: 1933 bphy_err(drvr, "Invalid algorithm (%d)\n", 1934 sme->crypto.ciphers_pairwise[0]); 1935 return -EINVAL; 1936 } 1937 /* Set the new key/index */ 1938 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", 1939 key.len, key.index, key.algo); 1940 brcmf_dbg(CONN, "key \"%s\"\n", key.data); 1941 err = send_key_to_dongle(ifp, &key); 1942 if (err) 1943 return err; 1944 1945 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { 1946 brcmf_dbg(CONN, "set auth_type to shared key\n"); 1947 val = WL_AUTH_SHARED_KEY; /* shared key */ 1948 err = brcmf_fil_bsscfg_int_set(ifp, "auth", val); 1949 if (err) 1950 bphy_err(drvr, "set auth failed (%d)\n", err); 1951 } 1952 return err; 1953 } 1954 1955 static 1956 enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, 1957 enum nl80211_auth_type type) 1958 { 1959 if (type == NL80211_AUTHTYPE_AUTOMATIC && 1960 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { 1961 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); 1962 type = NL80211_AUTHTYPE_OPEN_SYSTEM; 1963 } 1964 return type; 1965 } 1966 1967 static void brcmf_set_join_pref(struct brcmf_if *ifp, 1968 struct cfg80211_bss_selection *bss_select) 1969 { 1970 struct brcmf_pub *drvr = ifp->drvr; 1971 struct brcmf_join_pref_params join_pref_params[2]; 1972 enum nl80211_band band; 1973 int err, i = 0; 1974 1975 join_pref_params[i].len = 2; 1976 join_pref_params[i].rssi_gain = 0; 1977 1978 if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF) 1979 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO); 1980 1981 switch (bss_select->behaviour) { 1982 case __NL80211_BSS_SELECT_ATTR_INVALID: 1983 brcmf_c_set_joinpref_default(ifp); 1984 return; 1985 case NL80211_BSS_SELECT_ATTR_BAND_PREF: 1986 join_pref_params[i].type = BRCMF_JOIN_PREF_BAND; 1987 band = bss_select->param.band_pref; 1988 join_pref_params[i].band = nl80211_band_to_fwil(band); 1989 i++; 1990 break; 1991 case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST: 1992 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA; 1993 band = bss_select->param.adjust.band; 1994 join_pref_params[i].band = nl80211_band_to_fwil(band); 1995 join_pref_params[i].rssi_gain = bss_select->param.adjust.delta; 1996 i++; 1997 break; 1998 case NL80211_BSS_SELECT_ATTR_RSSI: 1999 default: 2000 break; 2001 } 2002 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI; 2003 join_pref_params[i].len = 2; 2004 join_pref_params[i].rssi_gain = 0; 2005 join_pref_params[i].band = 0; 2006 err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, 2007 sizeof(join_pref_params)); 2008 if (err) 2009 bphy_err(drvr, "Set join_pref error (%d)\n", err); 2010 } 2011 2012 static s32 2013 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, 2014 struct cfg80211_connect_params *sme) 2015 { 2016 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2017 struct brcmf_if *ifp = netdev_priv(ndev); 2018 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 2019 struct ieee80211_channel *chan = sme->channel; 2020 struct brcmf_pub *drvr = ifp->drvr; 2021 struct brcmf_join_params join_params; 2022 size_t join_params_size; 2023 const struct brcmf_tlv *rsn_ie; 2024 const struct brcmf_vs_tlv *wpa_ie; 2025 const void *ie; 2026 u32 ie_len; 2027 struct brcmf_ext_join_params_le *ext_join_params; 2028 u16 chanspec; 2029 s32 err = 0; 2030 u32 ssid_len; 2031 2032 brcmf_dbg(TRACE, "Enter\n"); 2033 if (!check_vif_up(ifp->vif)) 2034 return -EIO; 2035 2036 if (!sme->ssid) { 2037 bphy_err(drvr, "Invalid ssid\n"); 2038 return -EOPNOTSUPP; 2039 } 2040 2041 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { 2042 /* A normal (non P2P) connection request setup. */ 2043 ie = NULL; 2044 ie_len = 0; 2045 /* find the WPA_IE */ 2046 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); 2047 if (wpa_ie) { 2048 ie = wpa_ie; 2049 ie_len = wpa_ie->len + TLV_HDR_LEN; 2050 } else { 2051 /* find the RSN_IE */ 2052 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, 2053 sme->ie_len, 2054 WLAN_EID_RSN); 2055 if (rsn_ie) { 2056 ie = rsn_ie; 2057 ie_len = rsn_ie->len + TLV_HDR_LEN; 2058 } 2059 } 2060 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); 2061 } 2062 2063 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, 2064 sme->ie, sme->ie_len); 2065 if (err) 2066 bphy_err(drvr, "Set Assoc REQ IE Failed\n"); 2067 else 2068 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); 2069 2070 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); 2071 2072 if (chan) { 2073 cfg->channel = 2074 ieee80211_frequency_to_channel(chan->center_freq); 2075 chanspec = channel_to_chanspec(&cfg->d11inf, chan); 2076 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", 2077 cfg->channel, chan->center_freq, chanspec); 2078 } else { 2079 cfg->channel = 0; 2080 chanspec = 0; 2081 } 2082 2083 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); 2084 2085 err = brcmf_set_wpa_version(ndev, sme); 2086 if (err) { 2087 bphy_err(drvr, "wl_set_wpa_version failed (%d)\n", err); 2088 goto done; 2089 } 2090 2091 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); 2092 err = brcmf_set_auth_type(ndev, sme); 2093 if (err) { 2094 bphy_err(drvr, "wl_set_auth_type failed (%d)\n", err); 2095 goto done; 2096 } 2097 2098 err = brcmf_set_wsec_mode(ndev, sme); 2099 if (err) { 2100 bphy_err(drvr, "wl_set_set_cipher failed (%d)\n", err); 2101 goto done; 2102 } 2103 2104 err = brcmf_set_key_mgmt(ndev, sme); 2105 if (err) { 2106 bphy_err(drvr, "wl_set_key_mgmt failed (%d)\n", err); 2107 goto done; 2108 } 2109 2110 err = brcmf_set_sharedkey(ndev, sme); 2111 if (err) { 2112 bphy_err(drvr, "brcmf_set_sharedkey failed (%d)\n", err); 2113 goto done; 2114 } 2115 2116 if (sme->crypto.psk && 2117 profile->use_fwsup != BRCMF_PROFILE_FWSUP_SAE) { 2118 if (WARN_ON(profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE)) { 2119 err = -EINVAL; 2120 goto done; 2121 } 2122 brcmf_dbg(INFO, "using PSK offload\n"); 2123 profile->use_fwsup = BRCMF_PROFILE_FWSUP_PSK; 2124 } 2125 2126 if (profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE) { 2127 /* enable firmware supplicant for this interface */ 2128 err = brcmf_fil_iovar_int_set(ifp, "sup_wpa", 1); 2129 if (err < 0) { 2130 bphy_err(drvr, "failed to enable fw supplicant\n"); 2131 goto done; 2132 } 2133 } 2134 2135 if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_PSK) 2136 err = brcmf_set_pmk(ifp, sme->crypto.psk, 2137 BRCMF_WSEC_MAX_PSK_LEN); 2138 else if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_SAE) { 2139 /* clean up user-space RSNE */ 2140 err = brcmf_fil_iovar_data_set(ifp, "wpaie", NULL, 0); 2141 if (err) { 2142 bphy_err(drvr, "failed to clean up user-space RSNE\n"); 2143 goto done; 2144 } 2145 err = brcmf_set_sae_password(ifp, sme->crypto.sae_pwd, 2146 sme->crypto.sae_pwd_len); 2147 if (!err && sme->crypto.psk) 2148 err = brcmf_set_pmk(ifp, sme->crypto.psk, 2149 BRCMF_WSEC_MAX_PSK_LEN); 2150 } 2151 if (err) 2152 goto done; 2153 2154 /* Join with specific BSSID and cached SSID 2155 * If SSID is zero join based on BSSID only 2156 */ 2157 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + 2158 offsetof(struct brcmf_assoc_params_le, chanspec_list); 2159 if (cfg->channel) 2160 join_params_size += sizeof(u16); 2161 ext_join_params = kzalloc(join_params_size, GFP_KERNEL); 2162 if (ext_join_params == NULL) { 2163 err = -ENOMEM; 2164 goto done; 2165 } 2166 ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN); 2167 ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len); 2168 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len); 2169 if (ssid_len < IEEE80211_MAX_SSID_LEN) 2170 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", 2171 ext_join_params->ssid_le.SSID, ssid_len); 2172 2173 /* Set up join scan parameters */ 2174 ext_join_params->scan_le.scan_type = -1; 2175 ext_join_params->scan_le.home_time = cpu_to_le32(-1); 2176 2177 if (sme->bssid) 2178 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); 2179 else 2180 eth_broadcast_addr(ext_join_params->assoc_le.bssid); 2181 2182 if (cfg->channel) { 2183 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); 2184 2185 ext_join_params->assoc_le.chanspec_list[0] = 2186 cpu_to_le16(chanspec); 2187 /* Increase dwell time to receive probe response or detect 2188 * beacon from target AP at a noisy air only during connect 2189 * command. 2190 */ 2191 ext_join_params->scan_le.active_time = 2192 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); 2193 ext_join_params->scan_le.passive_time = 2194 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); 2195 /* To sync with presence period of VSDB GO send probe request 2196 * more frequently. Probe request will be stopped when it gets 2197 * probe response from target AP/GO. 2198 */ 2199 ext_join_params->scan_le.nprobes = 2200 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / 2201 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); 2202 } else { 2203 ext_join_params->scan_le.active_time = cpu_to_le32(-1); 2204 ext_join_params->scan_le.passive_time = cpu_to_le32(-1); 2205 ext_join_params->scan_le.nprobes = cpu_to_le32(-1); 2206 } 2207 2208 brcmf_set_join_pref(ifp, &sme->bss_select); 2209 2210 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, 2211 join_params_size); 2212 kfree(ext_join_params); 2213 if (!err) 2214 /* This is it. join command worked, we are done */ 2215 goto done; 2216 2217 /* join command failed, fallback to set ssid */ 2218 memset(&join_params, 0, sizeof(join_params)); 2219 join_params_size = sizeof(join_params.ssid_le); 2220 2221 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len); 2222 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); 2223 2224 if (sme->bssid) 2225 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); 2226 else 2227 eth_broadcast_addr(join_params.params_le.bssid); 2228 2229 if (cfg->channel) { 2230 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); 2231 join_params.params_le.chanspec_num = cpu_to_le32(1); 2232 join_params_size += sizeof(join_params.params_le); 2233 } 2234 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, 2235 &join_params, join_params_size); 2236 if (err) 2237 bphy_err(drvr, "BRCMF_C_SET_SSID failed (%d)\n", err); 2238 2239 done: 2240 if (err) 2241 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); 2242 brcmf_dbg(TRACE, "Exit\n"); 2243 return err; 2244 } 2245 2246 static s32 2247 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, 2248 u16 reason_code) 2249 { 2250 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2251 struct brcmf_if *ifp = netdev_priv(ndev); 2252 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 2253 struct brcmf_pub *drvr = cfg->pub; 2254 struct brcmf_scb_val_le scbval; 2255 s32 err = 0; 2256 2257 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); 2258 if (!check_vif_up(ifp->vif)) 2259 return -EIO; 2260 2261 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); 2262 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); 2263 cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); 2264 2265 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); 2266 scbval.val = cpu_to_le32(reason_code); 2267 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, 2268 &scbval, sizeof(scbval)); 2269 if (err) 2270 bphy_err(drvr, "error (%d)\n", err); 2271 2272 brcmf_dbg(TRACE, "Exit\n"); 2273 return err; 2274 } 2275 2276 static s32 2277 brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 2278 enum nl80211_tx_power_setting type, s32 mbm) 2279 { 2280 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2281 struct net_device *ndev = cfg_to_ndev(cfg); 2282 struct brcmf_if *ifp = netdev_priv(ndev); 2283 struct brcmf_pub *drvr = cfg->pub; 2284 s32 err; 2285 s32 disable; 2286 u32 qdbm = 127; 2287 2288 brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm); 2289 if (!check_vif_up(ifp->vif)) 2290 return -EIO; 2291 2292 switch (type) { 2293 case NL80211_TX_POWER_AUTOMATIC: 2294 break; 2295 case NL80211_TX_POWER_LIMITED: 2296 case NL80211_TX_POWER_FIXED: 2297 if (mbm < 0) { 2298 bphy_err(drvr, "TX_POWER_FIXED - dbm is negative\n"); 2299 err = -EINVAL; 2300 goto done; 2301 } 2302 qdbm = MBM_TO_DBM(4 * mbm); 2303 if (qdbm > 127) 2304 qdbm = 127; 2305 qdbm |= WL_TXPWR_OVERRIDE; 2306 break; 2307 default: 2308 bphy_err(drvr, "Unsupported type %d\n", type); 2309 err = -EINVAL; 2310 goto done; 2311 } 2312 /* Make sure radio is off or on as far as software is concerned */ 2313 disable = WL_RADIO_SW_DISABLE << 16; 2314 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); 2315 if (err) 2316 bphy_err(drvr, "WLC_SET_RADIO error (%d)\n", err); 2317 2318 err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm); 2319 if (err) 2320 bphy_err(drvr, "qtxpower error (%d)\n", err); 2321 2322 done: 2323 brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE); 2324 return err; 2325 } 2326 2327 static s32 2328 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 2329 s32 *dbm) 2330 { 2331 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2332 struct brcmf_cfg80211_vif *vif = wdev_to_vif(wdev); 2333 struct brcmf_pub *drvr = cfg->pub; 2334 s32 qdbm = 0; 2335 s32 err; 2336 2337 brcmf_dbg(TRACE, "Enter\n"); 2338 if (!check_vif_up(vif)) 2339 return -EIO; 2340 2341 err = brcmf_fil_iovar_int_get(vif->ifp, "qtxpower", &qdbm); 2342 if (err) { 2343 bphy_err(drvr, "error (%d)\n", err); 2344 goto done; 2345 } 2346 *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4; 2347 2348 done: 2349 brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm); 2350 return err; 2351 } 2352 2353 static s32 2354 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, 2355 u8 key_idx, bool unicast, bool multicast) 2356 { 2357 struct brcmf_if *ifp = netdev_priv(ndev); 2358 struct brcmf_pub *drvr = ifp->drvr; 2359 u32 index; 2360 u32 wsec; 2361 s32 err = 0; 2362 2363 brcmf_dbg(TRACE, "Enter\n"); 2364 brcmf_dbg(CONN, "key index (%d)\n", key_idx); 2365 if (!check_vif_up(ifp->vif)) 2366 return -EIO; 2367 2368 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); 2369 if (err) { 2370 bphy_err(drvr, "WLC_GET_WSEC error (%d)\n", err); 2371 goto done; 2372 } 2373 2374 if (wsec & WEP_ENABLED) { 2375 /* Just select a new current key */ 2376 index = key_idx; 2377 err = brcmf_fil_cmd_int_set(ifp, 2378 BRCMF_C_SET_KEY_PRIMARY, index); 2379 if (err) 2380 bphy_err(drvr, "error (%d)\n", err); 2381 } 2382 done: 2383 brcmf_dbg(TRACE, "Exit\n"); 2384 return err; 2385 } 2386 2387 static s32 2388 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 2389 u8 key_idx, bool pairwise, const u8 *mac_addr) 2390 { 2391 struct brcmf_if *ifp = netdev_priv(ndev); 2392 struct brcmf_wsec_key *key; 2393 s32 err; 2394 2395 brcmf_dbg(TRACE, "Enter\n"); 2396 brcmf_dbg(CONN, "key index (%d)\n", key_idx); 2397 2398 if (!check_vif_up(ifp->vif)) 2399 return -EIO; 2400 2401 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { 2402 /* we ignore this key index in this case */ 2403 return -EINVAL; 2404 } 2405 2406 key = &ifp->vif->profile.key[key_idx]; 2407 2408 if (key->algo == CRYPTO_ALGO_OFF) { 2409 brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n"); 2410 return -EINVAL; 2411 } 2412 2413 memset(key, 0, sizeof(*key)); 2414 key->index = (u32)key_idx; 2415 key->flags = BRCMF_PRIMARY_KEY; 2416 2417 /* Clear the key/index */ 2418 err = send_key_to_dongle(ifp, key); 2419 2420 brcmf_dbg(TRACE, "Exit\n"); 2421 return err; 2422 } 2423 2424 static s32 2425 brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 2426 u8 key_idx, bool pairwise, const u8 *mac_addr, 2427 struct key_params *params) 2428 { 2429 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2430 struct brcmf_if *ifp = netdev_priv(ndev); 2431 struct brcmf_pub *drvr = cfg->pub; 2432 struct brcmf_wsec_key *key; 2433 s32 val; 2434 s32 wsec; 2435 s32 err; 2436 u8 keybuf[8]; 2437 bool ext_key; 2438 2439 brcmf_dbg(TRACE, "Enter\n"); 2440 brcmf_dbg(CONN, "key index (%d)\n", key_idx); 2441 if (!check_vif_up(ifp->vif)) 2442 return -EIO; 2443 2444 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { 2445 /* we ignore this key index in this case */ 2446 bphy_err(drvr, "invalid key index (%d)\n", key_idx); 2447 return -EINVAL; 2448 } 2449 2450 if (params->key_len == 0) 2451 return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise, 2452 mac_addr); 2453 2454 if (params->key_len > sizeof(key->data)) { 2455 bphy_err(drvr, "Too long key length (%u)\n", params->key_len); 2456 return -EINVAL; 2457 } 2458 2459 ext_key = false; 2460 if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) && 2461 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { 2462 brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr); 2463 ext_key = true; 2464 } 2465 2466 key = &ifp->vif->profile.key[key_idx]; 2467 memset(key, 0, sizeof(*key)); 2468 if ((ext_key) && (!is_multicast_ether_addr(mac_addr))) 2469 memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN); 2470 key->len = params->key_len; 2471 key->index = key_idx; 2472 memcpy(key->data, params->key, key->len); 2473 if (!ext_key) 2474 key->flags = BRCMF_PRIMARY_KEY; 2475 2476 if (params->seq && params->seq_len == 6) { 2477 /* rx iv */ 2478 u8 *ivptr; 2479 2480 ivptr = (u8 *)params->seq; 2481 key->rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | 2482 (ivptr[3] << 8) | ivptr[2]; 2483 key->rxiv.lo = (ivptr[1] << 8) | ivptr[0]; 2484 key->iv_initialized = true; 2485 } 2486 2487 switch (params->cipher) { 2488 case WLAN_CIPHER_SUITE_WEP40: 2489 key->algo = CRYPTO_ALGO_WEP1; 2490 val = WEP_ENABLED; 2491 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); 2492 break; 2493 case WLAN_CIPHER_SUITE_WEP104: 2494 key->algo = CRYPTO_ALGO_WEP128; 2495 val = WEP_ENABLED; 2496 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); 2497 break; 2498 case WLAN_CIPHER_SUITE_TKIP: 2499 if (!brcmf_is_apmode(ifp->vif)) { 2500 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); 2501 memcpy(keybuf, &key->data[24], sizeof(keybuf)); 2502 memcpy(&key->data[24], &key->data[16], sizeof(keybuf)); 2503 memcpy(&key->data[16], keybuf, sizeof(keybuf)); 2504 } 2505 key->algo = CRYPTO_ALGO_TKIP; 2506 val = TKIP_ENABLED; 2507 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); 2508 break; 2509 case WLAN_CIPHER_SUITE_AES_CMAC: 2510 key->algo = CRYPTO_ALGO_AES_CCM; 2511 val = AES_ENABLED; 2512 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); 2513 break; 2514 case WLAN_CIPHER_SUITE_CCMP: 2515 key->algo = CRYPTO_ALGO_AES_CCM; 2516 val = AES_ENABLED; 2517 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); 2518 break; 2519 default: 2520 bphy_err(drvr, "Invalid cipher (0x%x)\n", params->cipher); 2521 err = -EINVAL; 2522 goto done; 2523 } 2524 2525 err = send_key_to_dongle(ifp, key); 2526 if (ext_key || err) 2527 goto done; 2528 2529 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); 2530 if (err) { 2531 bphy_err(drvr, "get wsec error (%d)\n", err); 2532 goto done; 2533 } 2534 wsec |= val; 2535 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); 2536 if (err) { 2537 bphy_err(drvr, "set wsec error (%d)\n", err); 2538 goto done; 2539 } 2540 2541 done: 2542 brcmf_dbg(TRACE, "Exit\n"); 2543 return err; 2544 } 2545 2546 static s32 2547 brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, 2548 bool pairwise, const u8 *mac_addr, void *cookie, 2549 void (*callback)(void *cookie, 2550 struct key_params *params)) 2551 { 2552 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2553 struct key_params params; 2554 struct brcmf_if *ifp = netdev_priv(ndev); 2555 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 2556 struct brcmf_pub *drvr = cfg->pub; 2557 struct brcmf_cfg80211_security *sec; 2558 s32 wsec; 2559 s32 err = 0; 2560 2561 brcmf_dbg(TRACE, "Enter\n"); 2562 brcmf_dbg(CONN, "key index (%d)\n", key_idx); 2563 if (!check_vif_up(ifp->vif)) 2564 return -EIO; 2565 2566 memset(¶ms, 0, sizeof(params)); 2567 2568 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); 2569 if (err) { 2570 bphy_err(drvr, "WLC_GET_WSEC error (%d)\n", err); 2571 /* Ignore this error, may happen during DISASSOC */ 2572 err = -EAGAIN; 2573 goto done; 2574 } 2575 if (wsec & WEP_ENABLED) { 2576 sec = &profile->sec; 2577 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { 2578 params.cipher = WLAN_CIPHER_SUITE_WEP40; 2579 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); 2580 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { 2581 params.cipher = WLAN_CIPHER_SUITE_WEP104; 2582 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); 2583 } 2584 } else if (wsec & TKIP_ENABLED) { 2585 params.cipher = WLAN_CIPHER_SUITE_TKIP; 2586 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); 2587 } else if (wsec & AES_ENABLED) { 2588 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; 2589 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); 2590 } else { 2591 bphy_err(drvr, "Invalid algo (0x%x)\n", wsec); 2592 err = -EINVAL; 2593 goto done; 2594 } 2595 callback(cookie, ¶ms); 2596 2597 done: 2598 brcmf_dbg(TRACE, "Exit\n"); 2599 return err; 2600 } 2601 2602 static s32 2603 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, 2604 struct net_device *ndev, u8 key_idx) 2605 { 2606 struct brcmf_if *ifp = netdev_priv(ndev); 2607 2608 brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx); 2609 2610 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) 2611 return 0; 2612 2613 brcmf_dbg(INFO, "Not supported\n"); 2614 2615 return -EOPNOTSUPP; 2616 } 2617 2618 static void 2619 brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp) 2620 { 2621 struct brcmf_pub *drvr = ifp->drvr; 2622 s32 err; 2623 u8 key_idx; 2624 struct brcmf_wsec_key *key; 2625 s32 wsec; 2626 2627 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) { 2628 key = &ifp->vif->profile.key[key_idx]; 2629 if ((key->algo == CRYPTO_ALGO_WEP1) || 2630 (key->algo == CRYPTO_ALGO_WEP128)) 2631 break; 2632 } 2633 if (key_idx == BRCMF_MAX_DEFAULT_KEYS) 2634 return; 2635 2636 err = send_key_to_dongle(ifp, key); 2637 if (err) { 2638 bphy_err(drvr, "Setting WEP key failed (%d)\n", err); 2639 return; 2640 } 2641 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); 2642 if (err) { 2643 bphy_err(drvr, "get wsec error (%d)\n", err); 2644 return; 2645 } 2646 wsec |= WEP_ENABLED; 2647 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); 2648 if (err) 2649 bphy_err(drvr, "set wsec error (%d)\n", err); 2650 } 2651 2652 static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) 2653 { 2654 struct nl80211_sta_flag_update *sfu; 2655 2656 brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); 2657 si->filled |= BIT_ULL(NL80211_STA_INFO_STA_FLAGS); 2658 sfu = &si->sta_flags; 2659 sfu->mask = BIT(NL80211_STA_FLAG_WME) | 2660 BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2661 BIT(NL80211_STA_FLAG_ASSOCIATED) | 2662 BIT(NL80211_STA_FLAG_AUTHORIZED); 2663 if (fw_sta_flags & BRCMF_STA_WME) 2664 sfu->set |= BIT(NL80211_STA_FLAG_WME); 2665 if (fw_sta_flags & BRCMF_STA_AUTHE) 2666 sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); 2667 if (fw_sta_flags & BRCMF_STA_ASSOC) 2668 sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2669 if (fw_sta_flags & BRCMF_STA_AUTHO) 2670 sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED); 2671 } 2672 2673 static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) 2674 { 2675 struct brcmf_pub *drvr = ifp->drvr; 2676 struct { 2677 __le32 len; 2678 struct brcmf_bss_info_le bss_le; 2679 } *buf; 2680 u16 capability; 2681 int err; 2682 2683 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); 2684 if (!buf) 2685 return; 2686 2687 buf->len = cpu_to_le32(WL_BSS_INFO_MAX); 2688 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf, 2689 WL_BSS_INFO_MAX); 2690 if (err) { 2691 bphy_err(drvr, "Failed to get bss info (%d)\n", err); 2692 goto out_kfree; 2693 } 2694 si->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); 2695 si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); 2696 si->bss_param.dtim_period = buf->bss_le.dtim_period; 2697 capability = le16_to_cpu(buf->bss_le.capability); 2698 if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT) 2699 si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; 2700 if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE) 2701 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; 2702 if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) 2703 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 2704 2705 out_kfree: 2706 kfree(buf); 2707 } 2708 2709 static s32 2710 brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, 2711 struct station_info *sinfo) 2712 { 2713 struct brcmf_pub *drvr = ifp->drvr; 2714 struct brcmf_scb_val_le scbval; 2715 struct brcmf_pktcnt_le pktcnt; 2716 s32 err; 2717 u32 rate; 2718 u32 rssi; 2719 2720 /* Get the current tx rate */ 2721 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); 2722 if (err < 0) { 2723 bphy_err(drvr, "BRCMF_C_GET_RATE error (%d)\n", err); 2724 return err; 2725 } 2726 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 2727 sinfo->txrate.legacy = rate * 5; 2728 2729 memset(&scbval, 0, sizeof(scbval)); 2730 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval, 2731 sizeof(scbval)); 2732 if (err) { 2733 bphy_err(drvr, "BRCMF_C_GET_RSSI error (%d)\n", err); 2734 return err; 2735 } 2736 rssi = le32_to_cpu(scbval.val); 2737 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 2738 sinfo->signal = rssi; 2739 2740 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt, 2741 sizeof(pktcnt)); 2742 if (err) { 2743 bphy_err(drvr, "BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err); 2744 return err; 2745 } 2746 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | 2747 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | 2748 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | 2749 BIT_ULL(NL80211_STA_INFO_TX_FAILED); 2750 sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt); 2751 sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt); 2752 sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt); 2753 sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt); 2754 2755 return 0; 2756 } 2757 2758 static s32 2759 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, 2760 const u8 *mac, struct station_info *sinfo) 2761 { 2762 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2763 struct brcmf_if *ifp = netdev_priv(ndev); 2764 struct brcmf_pub *drvr = cfg->pub; 2765 struct brcmf_scb_val_le scb_val; 2766 s32 err = 0; 2767 struct brcmf_sta_info_le sta_info_le; 2768 u32 sta_flags; 2769 u32 is_tdls_peer; 2770 s32 total_rssi; 2771 s32 count_rssi; 2772 int rssi; 2773 u32 i; 2774 2775 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); 2776 if (!check_vif_up(ifp->vif)) 2777 return -EIO; 2778 2779 if (brcmf_is_ibssmode(ifp->vif)) 2780 return brcmf_cfg80211_get_station_ibss(ifp, sinfo); 2781 2782 memset(&sta_info_le, 0, sizeof(sta_info_le)); 2783 memcpy(&sta_info_le, mac, ETH_ALEN); 2784 err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info", 2785 &sta_info_le, 2786 sizeof(sta_info_le)); 2787 is_tdls_peer = !err; 2788 if (err) { 2789 err = brcmf_fil_iovar_data_get(ifp, "sta_info", 2790 &sta_info_le, 2791 sizeof(sta_info_le)); 2792 if (err < 0) { 2793 bphy_err(drvr, "GET STA INFO failed, %d\n", err); 2794 goto done; 2795 } 2796 } 2797 brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); 2798 sinfo->filled = BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME); 2799 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; 2800 sta_flags = le32_to_cpu(sta_info_le.flags); 2801 brcmf_convert_sta_flags(sta_flags, sinfo); 2802 sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER); 2803 if (is_tdls_peer) 2804 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); 2805 else 2806 sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); 2807 if (sta_flags & BRCMF_STA_ASSOC) { 2808 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CONNECTED_TIME); 2809 sinfo->connected_time = le32_to_cpu(sta_info_le.in); 2810 brcmf_fill_bss_param(ifp, sinfo); 2811 } 2812 if (sta_flags & BRCMF_STA_SCBSTATS) { 2813 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); 2814 sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); 2815 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); 2816 sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); 2817 sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); 2818 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); 2819 sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); 2820 sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); 2821 if (sinfo->tx_packets) { 2822 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 2823 sinfo->txrate.legacy = 2824 le32_to_cpu(sta_info_le.tx_rate) / 100; 2825 } 2826 if (sinfo->rx_packets) { 2827 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); 2828 sinfo->rxrate.legacy = 2829 le32_to_cpu(sta_info_le.rx_rate) / 100; 2830 } 2831 if (le16_to_cpu(sta_info_le.ver) >= 4) { 2832 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES); 2833 sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); 2834 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES); 2835 sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); 2836 } 2837 total_rssi = 0; 2838 count_rssi = 0; 2839 for (i = 0; i < BRCMF_ANT_MAX; i++) { 2840 if (sta_info_le.rssi[i]) { 2841 sinfo->chain_signal_avg[count_rssi] = 2842 sta_info_le.rssi[i]; 2843 sinfo->chain_signal[count_rssi] = 2844 sta_info_le.rssi[i]; 2845 total_rssi += sta_info_le.rssi[i]; 2846 count_rssi++; 2847 } 2848 } 2849 if (count_rssi) { 2850 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL); 2851 sinfo->chains = count_rssi; 2852 2853 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 2854 total_rssi /= count_rssi; 2855 sinfo->signal = total_rssi; 2856 } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED, 2857 &ifp->vif->sme_state)) { 2858 memset(&scb_val, 0, sizeof(scb_val)); 2859 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, 2860 &scb_val, sizeof(scb_val)); 2861 if (err) { 2862 bphy_err(drvr, "Could not get rssi (%d)\n", 2863 err); 2864 goto done; 2865 } else { 2866 rssi = le32_to_cpu(scb_val.val); 2867 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 2868 sinfo->signal = rssi; 2869 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); 2870 } 2871 } 2872 } 2873 done: 2874 brcmf_dbg(TRACE, "Exit\n"); 2875 return err; 2876 } 2877 2878 static int 2879 brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev, 2880 int idx, u8 *mac, struct station_info *sinfo) 2881 { 2882 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2883 struct brcmf_if *ifp = netdev_priv(ndev); 2884 struct brcmf_pub *drvr = cfg->pub; 2885 s32 err; 2886 2887 brcmf_dbg(TRACE, "Enter, idx %d\n", idx); 2888 2889 if (idx == 0) { 2890 cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST); 2891 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST, 2892 &cfg->assoclist, 2893 sizeof(cfg->assoclist)); 2894 if (err) { 2895 bphy_err(drvr, "BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n", 2896 err); 2897 cfg->assoclist.count = 0; 2898 return -EOPNOTSUPP; 2899 } 2900 } 2901 if (idx < le32_to_cpu(cfg->assoclist.count)) { 2902 memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN); 2903 return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo); 2904 } 2905 return -ENOENT; 2906 } 2907 2908 static s32 2909 brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, 2910 bool enabled, s32 timeout) 2911 { 2912 s32 pm; 2913 s32 err = 0; 2914 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 2915 struct brcmf_if *ifp = netdev_priv(ndev); 2916 struct brcmf_pub *drvr = cfg->pub; 2917 2918 brcmf_dbg(TRACE, "Enter\n"); 2919 2920 /* 2921 * Powersave enable/disable request is coming from the 2922 * cfg80211 even before the interface is up. In that 2923 * scenario, driver will be storing the power save 2924 * preference in cfg struct to apply this to 2925 * FW later while initializing the dongle 2926 */ 2927 cfg->pwr_save = enabled; 2928 if (!check_vif_up(ifp->vif)) { 2929 2930 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); 2931 goto done; 2932 } 2933 2934 pm = enabled ? PM_FAST : PM_OFF; 2935 /* Do not enable the power save after assoc if it is a p2p interface */ 2936 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { 2937 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); 2938 pm = PM_OFF; 2939 } 2940 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); 2941 2942 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); 2943 if (err) { 2944 if (err == -ENODEV) 2945 bphy_err(drvr, "net_device is not ready yet\n"); 2946 else 2947 bphy_err(drvr, "error (%d)\n", err); 2948 } 2949 2950 err = brcmf_fil_iovar_int_set(ifp, "pm2_sleep_ret", 2951 min_t(u32, timeout, BRCMF_PS_MAX_TIMEOUT_MS)); 2952 if (err) 2953 bphy_err(drvr, "Unable to set pm timeout, (%d)\n", err); 2954 2955 done: 2956 brcmf_dbg(TRACE, "Exit\n"); 2957 return err; 2958 } 2959 2960 static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, 2961 struct brcmf_bss_info_le *bi) 2962 { 2963 struct wiphy *wiphy = cfg_to_wiphy(cfg); 2964 struct brcmf_pub *drvr = cfg->pub; 2965 struct cfg80211_bss *bss; 2966 enum nl80211_band band; 2967 struct brcmu_chan ch; 2968 u16 channel; 2969 u32 freq; 2970 u16 notify_capability; 2971 u16 notify_interval; 2972 u8 *notify_ie; 2973 size_t notify_ielen; 2974 struct cfg80211_inform_bss bss_data = {}; 2975 2976 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { 2977 bphy_err(drvr, "Bss info is larger than buffer. Discarding\n"); 2978 return -EINVAL; 2979 } 2980 2981 if (!bi->ctl_ch) { 2982 ch.chspec = le16_to_cpu(bi->chanspec); 2983 cfg->d11inf.decchspec(&ch); 2984 bi->ctl_ch = ch.control_ch_num; 2985 } 2986 channel = bi->ctl_ch; 2987 2988 if (channel <= CH_MAX_2G_CHANNEL) 2989 band = NL80211_BAND_2GHZ; 2990 else 2991 band = NL80211_BAND_5GHZ; 2992 2993 freq = ieee80211_channel_to_frequency(channel, band); 2994 bss_data.chan = ieee80211_get_channel(wiphy, freq); 2995 bss_data.scan_width = NL80211_BSS_CHAN_WIDTH_20; 2996 bss_data.boottime_ns = ktime_to_ns(ktime_get_boottime()); 2997 2998 notify_capability = le16_to_cpu(bi->capability); 2999 notify_interval = le16_to_cpu(bi->beacon_period); 3000 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); 3001 notify_ielen = le32_to_cpu(bi->ie_length); 3002 bss_data.signal = (s16)le16_to_cpu(bi->RSSI) * 100; 3003 3004 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); 3005 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); 3006 brcmf_dbg(CONN, "Capability: %X\n", notify_capability); 3007 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); 3008 brcmf_dbg(CONN, "Signal: %d\n", bss_data.signal); 3009 3010 bss = cfg80211_inform_bss_data(wiphy, &bss_data, 3011 CFG80211_BSS_FTYPE_UNKNOWN, 3012 (const u8 *)bi->BSSID, 3013 0, notify_capability, 3014 notify_interval, notify_ie, 3015 notify_ielen, GFP_KERNEL); 3016 3017 if (!bss) 3018 return -ENOMEM; 3019 3020 cfg80211_put_bss(wiphy, bss); 3021 3022 return 0; 3023 } 3024 3025 static struct brcmf_bss_info_le * 3026 next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) 3027 { 3028 if (bss == NULL) 3029 return list->bss_info_le; 3030 return (struct brcmf_bss_info_le *)((unsigned long)bss + 3031 le32_to_cpu(bss->length)); 3032 } 3033 3034 static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) 3035 { 3036 struct brcmf_pub *drvr = cfg->pub; 3037 struct brcmf_scan_results *bss_list; 3038 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ 3039 s32 err = 0; 3040 int i; 3041 3042 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; 3043 if (bss_list->count != 0 && 3044 bss_list->version != BRCMF_BSS_INFO_VERSION) { 3045 bphy_err(drvr, "Version %d != WL_BSS_INFO_VERSION\n", 3046 bss_list->version); 3047 return -EOPNOTSUPP; 3048 } 3049 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); 3050 for (i = 0; i < bss_list->count; i++) { 3051 bi = next_bss_le(bss_list, bi); 3052 err = brcmf_inform_single_bss(cfg, bi); 3053 if (err) 3054 break; 3055 } 3056 return err; 3057 } 3058 3059 static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg, 3060 struct net_device *ndev, const u8 *bssid) 3061 { 3062 struct wiphy *wiphy = cfg_to_wiphy(cfg); 3063 struct brcmf_pub *drvr = cfg->pub; 3064 struct ieee80211_channel *notify_channel; 3065 struct brcmf_bss_info_le *bi = NULL; 3066 struct ieee80211_supported_band *band; 3067 struct cfg80211_bss *bss; 3068 struct brcmu_chan ch; 3069 u8 *buf = NULL; 3070 s32 err = 0; 3071 u32 freq; 3072 u16 notify_capability; 3073 u16 notify_interval; 3074 u8 *notify_ie; 3075 size_t notify_ielen; 3076 s32 notify_signal; 3077 3078 brcmf_dbg(TRACE, "Enter\n"); 3079 3080 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); 3081 if (buf == NULL) { 3082 err = -ENOMEM; 3083 goto CleanUp; 3084 } 3085 3086 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); 3087 3088 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, 3089 buf, WL_BSS_INFO_MAX); 3090 if (err) { 3091 bphy_err(drvr, "WLC_GET_BSS_INFO failed: %d\n", err); 3092 goto CleanUp; 3093 } 3094 3095 bi = (struct brcmf_bss_info_le *)(buf + 4); 3096 3097 ch.chspec = le16_to_cpu(bi->chanspec); 3098 cfg->d11inf.decchspec(&ch); 3099 3100 if (ch.band == BRCMU_CHAN_BAND_2G) 3101 band = wiphy->bands[NL80211_BAND_2GHZ]; 3102 else 3103 band = wiphy->bands[NL80211_BAND_5GHZ]; 3104 3105 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band); 3106 cfg->channel = freq; 3107 notify_channel = ieee80211_get_channel(wiphy, freq); 3108 3109 notify_capability = le16_to_cpu(bi->capability); 3110 notify_interval = le16_to_cpu(bi->beacon_period); 3111 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); 3112 notify_ielen = le32_to_cpu(bi->ie_length); 3113 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; 3114 3115 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.control_ch_num, freq); 3116 brcmf_dbg(CONN, "capability: %X\n", notify_capability); 3117 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); 3118 brcmf_dbg(CONN, "signal: %d\n", notify_signal); 3119 3120 bss = cfg80211_inform_bss(wiphy, notify_channel, 3121 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, 3122 notify_capability, notify_interval, 3123 notify_ie, notify_ielen, notify_signal, 3124 GFP_KERNEL); 3125 3126 if (!bss) { 3127 err = -ENOMEM; 3128 goto CleanUp; 3129 } 3130 3131 cfg80211_put_bss(wiphy, bss); 3132 3133 CleanUp: 3134 3135 kfree(buf); 3136 3137 brcmf_dbg(TRACE, "Exit\n"); 3138 3139 return err; 3140 } 3141 3142 static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, 3143 struct brcmf_if *ifp) 3144 { 3145 struct brcmf_pub *drvr = cfg->pub; 3146 struct brcmf_bss_info_le *bi; 3147 const struct brcmf_tlv *tim; 3148 size_t ie_len; 3149 u8 *ie; 3150 s32 err = 0; 3151 3152 brcmf_dbg(TRACE, "Enter\n"); 3153 if (brcmf_is_ibssmode(ifp->vif)) 3154 return err; 3155 3156 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); 3157 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, 3158 cfg->extra_buf, WL_EXTRA_BUF_MAX); 3159 if (err) { 3160 bphy_err(drvr, "Could not get bss info %d\n", err); 3161 goto update_bss_info_out; 3162 } 3163 3164 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); 3165 err = brcmf_inform_single_bss(cfg, bi); 3166 if (err) 3167 goto update_bss_info_out; 3168 3169 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); 3170 ie_len = le32_to_cpu(bi->ie_length); 3171 3172 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); 3173 if (!tim) { 3174 /* 3175 * active scan was done so we could not get dtim 3176 * information out of probe response. 3177 * so we speficially query dtim information to dongle. 3178 */ 3179 u32 var; 3180 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); 3181 if (err) { 3182 bphy_err(drvr, "wl dtim_assoc failed (%d)\n", err); 3183 goto update_bss_info_out; 3184 } 3185 } 3186 3187 update_bss_info_out: 3188 brcmf_dbg(TRACE, "Exit"); 3189 return err; 3190 } 3191 3192 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) 3193 { 3194 struct escan_info *escan = &cfg->escan_info; 3195 3196 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); 3197 if (cfg->int_escan_map || cfg->scan_request) { 3198 escan->escan_state = WL_ESCAN_STATE_IDLE; 3199 brcmf_notify_escan_complete(cfg, escan->ifp, true, true); 3200 } 3201 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); 3202 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); 3203 } 3204 3205 static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) 3206 { 3207 struct brcmf_cfg80211_info *cfg = 3208 container_of(work, struct brcmf_cfg80211_info, 3209 escan_timeout_work); 3210 3211 brcmf_inform_bss(cfg); 3212 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); 3213 } 3214 3215 static void brcmf_escan_timeout(struct timer_list *t) 3216 { 3217 struct brcmf_cfg80211_info *cfg = 3218 from_timer(cfg, t, escan_timeout); 3219 struct brcmf_pub *drvr = cfg->pub; 3220 3221 if (cfg->int_escan_map || cfg->scan_request) { 3222 bphy_err(drvr, "timer expired\n"); 3223 schedule_work(&cfg->escan_timeout_work); 3224 } 3225 } 3226 3227 static s32 3228 brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, 3229 struct brcmf_bss_info_le *bss, 3230 struct brcmf_bss_info_le *bss_info_le) 3231 { 3232 struct brcmu_chan ch_bss, ch_bss_info_le; 3233 3234 ch_bss.chspec = le16_to_cpu(bss->chanspec); 3235 cfg->d11inf.decchspec(&ch_bss); 3236 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); 3237 cfg->d11inf.decchspec(&ch_bss_info_le); 3238 3239 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && 3240 ch_bss.band == ch_bss_info_le.band && 3241 bss_info_le->SSID_len == bss->SSID_len && 3242 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { 3243 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 3244 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { 3245 s16 bss_rssi = le16_to_cpu(bss->RSSI); 3246 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); 3247 3248 /* preserve max RSSI if the measurements are 3249 * both on-channel or both off-channel 3250 */ 3251 if (bss_info_rssi > bss_rssi) 3252 bss->RSSI = bss_info_le->RSSI; 3253 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && 3254 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { 3255 /* preserve the on-channel rssi measurement 3256 * if the new measurement is off channel 3257 */ 3258 bss->RSSI = bss_info_le->RSSI; 3259 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; 3260 } 3261 return 1; 3262 } 3263 return 0; 3264 } 3265 3266 static s32 3267 brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, 3268 const struct brcmf_event_msg *e, void *data) 3269 { 3270 struct brcmf_pub *drvr = ifp->drvr; 3271 struct brcmf_cfg80211_info *cfg = drvr->config; 3272 s32 status; 3273 struct brcmf_escan_result_le *escan_result_le; 3274 u32 escan_buflen; 3275 struct brcmf_bss_info_le *bss_info_le; 3276 struct brcmf_bss_info_le *bss = NULL; 3277 u32 bi_length; 3278 struct brcmf_scan_results *list; 3279 u32 i; 3280 bool aborted; 3281 3282 status = e->status; 3283 3284 if (status == BRCMF_E_STATUS_ABORT) 3285 goto exit; 3286 3287 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { 3288 bphy_err(drvr, "scan not ready, bsscfgidx=%d\n", 3289 ifp->bsscfgidx); 3290 return -EPERM; 3291 } 3292 3293 if (status == BRCMF_E_STATUS_PARTIAL) { 3294 brcmf_dbg(SCAN, "ESCAN Partial result\n"); 3295 if (e->datalen < sizeof(*escan_result_le)) { 3296 bphy_err(drvr, "invalid event data length\n"); 3297 goto exit; 3298 } 3299 escan_result_le = (struct brcmf_escan_result_le *) data; 3300 if (!escan_result_le) { 3301 bphy_err(drvr, "Invalid escan result (NULL pointer)\n"); 3302 goto exit; 3303 } 3304 escan_buflen = le32_to_cpu(escan_result_le->buflen); 3305 if (escan_buflen > BRCMF_ESCAN_BUF_SIZE || 3306 escan_buflen > e->datalen || 3307 escan_buflen < sizeof(*escan_result_le)) { 3308 bphy_err(drvr, "Invalid escan buffer length: %d\n", 3309 escan_buflen); 3310 goto exit; 3311 } 3312 if (le16_to_cpu(escan_result_le->bss_count) != 1) { 3313 bphy_err(drvr, "Invalid bss_count %d: ignoring\n", 3314 escan_result_le->bss_count); 3315 goto exit; 3316 } 3317 bss_info_le = &escan_result_le->bss_info_le; 3318 3319 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) 3320 goto exit; 3321 3322 if (!cfg->int_escan_map && !cfg->scan_request) { 3323 brcmf_dbg(SCAN, "result without cfg80211 request\n"); 3324 goto exit; 3325 } 3326 3327 bi_length = le32_to_cpu(bss_info_le->length); 3328 if (bi_length != escan_buflen - WL_ESCAN_RESULTS_FIXED_SIZE) { 3329 bphy_err(drvr, "Ignoring invalid bss_info length: %d\n", 3330 bi_length); 3331 goto exit; 3332 } 3333 3334 if (!(cfg_to_wiphy(cfg)->interface_modes & 3335 BIT(NL80211_IFTYPE_ADHOC))) { 3336 if (le16_to_cpu(bss_info_le->capability) & 3337 WLAN_CAPABILITY_IBSS) { 3338 bphy_err(drvr, "Ignoring IBSS result\n"); 3339 goto exit; 3340 } 3341 } 3342 3343 list = (struct brcmf_scan_results *) 3344 cfg->escan_info.escan_buf; 3345 if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) { 3346 bphy_err(drvr, "Buffer is too small: ignoring\n"); 3347 goto exit; 3348 } 3349 3350 for (i = 0; i < list->count; i++) { 3351 bss = bss ? (struct brcmf_bss_info_le *) 3352 ((unsigned char *)bss + 3353 le32_to_cpu(bss->length)) : list->bss_info_le; 3354 if (brcmf_compare_update_same_bss(cfg, bss, 3355 bss_info_le)) 3356 goto exit; 3357 } 3358 memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le, 3359 bi_length); 3360 list->version = le32_to_cpu(bss_info_le->version); 3361 list->buflen += bi_length; 3362 list->count++; 3363 } else { 3364 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; 3365 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) 3366 goto exit; 3367 if (cfg->int_escan_map || cfg->scan_request) { 3368 brcmf_inform_bss(cfg); 3369 aborted = status != BRCMF_E_STATUS_SUCCESS; 3370 brcmf_notify_escan_complete(cfg, ifp, aborted, false); 3371 } else 3372 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", 3373 status); 3374 } 3375 exit: 3376 return 0; 3377 } 3378 3379 static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) 3380 { 3381 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, 3382 brcmf_cfg80211_escan_handler); 3383 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; 3384 /* Init scan_timeout timer */ 3385 timer_setup(&cfg->escan_timeout, brcmf_escan_timeout, 0); 3386 INIT_WORK(&cfg->escan_timeout_work, 3387 brcmf_cfg80211_escan_timeout_worker); 3388 } 3389 3390 static struct cfg80211_scan_request * 3391 brcmf_alloc_internal_escan_request(struct wiphy *wiphy, u32 n_netinfo) { 3392 struct cfg80211_scan_request *req; 3393 size_t req_size; 3394 3395 req_size = sizeof(*req) + 3396 n_netinfo * sizeof(req->channels[0]) + 3397 n_netinfo * sizeof(*req->ssids); 3398 3399 req = kzalloc(req_size, GFP_KERNEL); 3400 if (req) { 3401 req->wiphy = wiphy; 3402 req->ssids = (void *)(&req->channels[0]) + 3403 n_netinfo * sizeof(req->channels[0]); 3404 } 3405 return req; 3406 } 3407 3408 static int brcmf_internal_escan_add_info(struct cfg80211_scan_request *req, 3409 u8 *ssid, u8 ssid_len, u8 channel) 3410 { 3411 struct ieee80211_channel *chan; 3412 enum nl80211_band band; 3413 int freq, i; 3414 3415 if (channel <= CH_MAX_2G_CHANNEL) 3416 band = NL80211_BAND_2GHZ; 3417 else 3418 band = NL80211_BAND_5GHZ; 3419 3420 freq = ieee80211_channel_to_frequency(channel, band); 3421 if (!freq) 3422 return -EINVAL; 3423 3424 chan = ieee80211_get_channel(req->wiphy, freq); 3425 if (!chan) 3426 return -EINVAL; 3427 3428 for (i = 0; i < req->n_channels; i++) { 3429 if (req->channels[i] == chan) 3430 break; 3431 } 3432 if (i == req->n_channels) 3433 req->channels[req->n_channels++] = chan; 3434 3435 for (i = 0; i < req->n_ssids; i++) { 3436 if (req->ssids[i].ssid_len == ssid_len && 3437 !memcmp(req->ssids[i].ssid, ssid, ssid_len)) 3438 break; 3439 } 3440 if (i == req->n_ssids) { 3441 memcpy(req->ssids[req->n_ssids].ssid, ssid, ssid_len); 3442 req->ssids[req->n_ssids++].ssid_len = ssid_len; 3443 } 3444 return 0; 3445 } 3446 3447 static int brcmf_start_internal_escan(struct brcmf_if *ifp, u32 fwmap, 3448 struct cfg80211_scan_request *request) 3449 { 3450 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 3451 int err; 3452 3453 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { 3454 if (cfg->int_escan_map) 3455 brcmf_dbg(SCAN, "aborting internal scan: map=%u\n", 3456 cfg->int_escan_map); 3457 /* Abort any on-going scan */ 3458 brcmf_abort_scanning(cfg); 3459 } 3460 3461 brcmf_dbg(SCAN, "start internal scan: map=%u\n", fwmap); 3462 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); 3463 cfg->escan_info.run = brcmf_run_escan; 3464 err = brcmf_do_escan(ifp, request); 3465 if (err) { 3466 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); 3467 return err; 3468 } 3469 cfg->int_escan_map = fwmap; 3470 return 0; 3471 } 3472 3473 static struct brcmf_pno_net_info_le * 3474 brcmf_get_netinfo_array(struct brcmf_pno_scanresults_le *pfn_v1) 3475 { 3476 struct brcmf_pno_scanresults_v2_le *pfn_v2; 3477 struct brcmf_pno_net_info_le *netinfo; 3478 3479 switch (pfn_v1->version) { 3480 default: 3481 WARN_ON(1); 3482 fallthrough; 3483 case cpu_to_le32(1): 3484 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v1 + 1); 3485 break; 3486 case cpu_to_le32(2): 3487 pfn_v2 = (struct brcmf_pno_scanresults_v2_le *)pfn_v1; 3488 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v2 + 1); 3489 break; 3490 } 3491 3492 return netinfo; 3493 } 3494 3495 /* PFN result doesn't have all the info which are required by the supplicant 3496 * (For e.g IEs) Do a target Escan so that sched scan results are reported 3497 * via wl_inform_single_bss in the required format. Escan does require the 3498 * scan request in the form of cfg80211_scan_request. For timebeing, create 3499 * cfg80211_scan_request one out of the received PNO event. 3500 */ 3501 static s32 3502 brcmf_notify_sched_scan_results(struct brcmf_if *ifp, 3503 const struct brcmf_event_msg *e, void *data) 3504 { 3505 struct brcmf_pub *drvr = ifp->drvr; 3506 struct brcmf_cfg80211_info *cfg = drvr->config; 3507 struct brcmf_pno_net_info_le *netinfo, *netinfo_start; 3508 struct cfg80211_scan_request *request = NULL; 3509 struct wiphy *wiphy = cfg_to_wiphy(cfg); 3510 int i, err = 0; 3511 struct brcmf_pno_scanresults_le *pfn_result; 3512 u32 bucket_map; 3513 u32 result_count; 3514 u32 status; 3515 u32 datalen; 3516 3517 brcmf_dbg(SCAN, "Enter\n"); 3518 3519 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { 3520 brcmf_dbg(SCAN, "Event data to small. Ignore\n"); 3521 return 0; 3522 } 3523 3524 if (e->event_code == BRCMF_E_PFN_NET_LOST) { 3525 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); 3526 return 0; 3527 } 3528 3529 pfn_result = (struct brcmf_pno_scanresults_le *)data; 3530 result_count = le32_to_cpu(pfn_result->count); 3531 status = le32_to_cpu(pfn_result->status); 3532 3533 /* PFN event is limited to fit 512 bytes so we may get 3534 * multiple NET_FOUND events. For now place a warning here. 3535 */ 3536 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); 3537 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); 3538 if (!result_count) { 3539 bphy_err(drvr, "FALSE PNO Event. (pfn_count == 0)\n"); 3540 goto out_err; 3541 } 3542 3543 netinfo_start = brcmf_get_netinfo_array(pfn_result); 3544 datalen = e->datalen - ((void *)netinfo_start - (void *)pfn_result); 3545 if (datalen < result_count * sizeof(*netinfo)) { 3546 bphy_err(drvr, "insufficient event data\n"); 3547 goto out_err; 3548 } 3549 3550 request = brcmf_alloc_internal_escan_request(wiphy, 3551 result_count); 3552 if (!request) { 3553 err = -ENOMEM; 3554 goto out_err; 3555 } 3556 3557 bucket_map = 0; 3558 for (i = 0; i < result_count; i++) { 3559 netinfo = &netinfo_start[i]; 3560 3561 if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN) 3562 netinfo->SSID_len = IEEE80211_MAX_SSID_LEN; 3563 brcmf_dbg(SCAN, "SSID:%.32s Channel:%d\n", 3564 netinfo->SSID, netinfo->channel); 3565 bucket_map |= brcmf_pno_get_bucket_map(cfg->pno, netinfo); 3566 err = brcmf_internal_escan_add_info(request, 3567 netinfo->SSID, 3568 netinfo->SSID_len, 3569 netinfo->channel); 3570 if (err) 3571 goto out_err; 3572 } 3573 3574 if (!bucket_map) 3575 goto free_req; 3576 3577 err = brcmf_start_internal_escan(ifp, bucket_map, request); 3578 if (!err) 3579 goto free_req; 3580 3581 out_err: 3582 cfg80211_sched_scan_stopped(wiphy, 0); 3583 free_req: 3584 kfree(request); 3585 return err; 3586 } 3587 3588 static int 3589 brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, 3590 struct net_device *ndev, 3591 struct cfg80211_sched_scan_request *req) 3592 { 3593 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3594 struct brcmf_if *ifp = netdev_priv(ndev); 3595 struct brcmf_pub *drvr = cfg->pub; 3596 3597 brcmf_dbg(SCAN, "Enter: n_match_sets=%d n_ssids=%d\n", 3598 req->n_match_sets, req->n_ssids); 3599 3600 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { 3601 bphy_err(drvr, "Scanning suppressed: status=%lu\n", 3602 cfg->scan_status); 3603 return -EAGAIN; 3604 } 3605 3606 if (req->n_match_sets <= 0) { 3607 brcmf_dbg(SCAN, "invalid number of matchsets specified: %d\n", 3608 req->n_match_sets); 3609 return -EINVAL; 3610 } 3611 3612 return brcmf_pno_start_sched_scan(ifp, req); 3613 } 3614 3615 static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, 3616 struct net_device *ndev, u64 reqid) 3617 { 3618 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3619 struct brcmf_if *ifp = netdev_priv(ndev); 3620 3621 brcmf_dbg(SCAN, "enter\n"); 3622 brcmf_pno_stop_sched_scan(ifp, reqid); 3623 if (cfg->int_escan_map) 3624 brcmf_notify_escan_complete(cfg, ifp, true, true); 3625 return 0; 3626 } 3627 3628 static __always_inline void brcmf_delay(u32 ms) 3629 { 3630 if (ms < 1000 / HZ) { 3631 cond_resched(); 3632 mdelay(ms); 3633 } else { 3634 msleep(ms); 3635 } 3636 } 3637 3638 static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], 3639 u8 *pattern, u32 patternsize, u8 *mask, 3640 u32 packet_offset) 3641 { 3642 struct brcmf_fil_wowl_pattern_le *filter; 3643 u32 masksize; 3644 u32 patternoffset; 3645 u8 *buf; 3646 u32 bufsize; 3647 s32 ret; 3648 3649 masksize = (patternsize + 7) / 8; 3650 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; 3651 3652 bufsize = sizeof(*filter) + patternsize + masksize; 3653 buf = kzalloc(bufsize, GFP_KERNEL); 3654 if (!buf) 3655 return -ENOMEM; 3656 filter = (struct brcmf_fil_wowl_pattern_le *)buf; 3657 3658 memcpy(filter->cmd, cmd, 4); 3659 filter->masksize = cpu_to_le32(masksize); 3660 filter->offset = cpu_to_le32(packet_offset); 3661 filter->patternoffset = cpu_to_le32(patternoffset); 3662 filter->patternsize = cpu_to_le32(patternsize); 3663 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); 3664 3665 if ((mask) && (masksize)) 3666 memcpy(buf + sizeof(*filter), mask, masksize); 3667 if ((pattern) && (patternsize)) 3668 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); 3669 3670 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); 3671 3672 kfree(buf); 3673 return ret; 3674 } 3675 3676 static s32 3677 brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e, 3678 void *data) 3679 { 3680 struct brcmf_pub *drvr = ifp->drvr; 3681 struct brcmf_cfg80211_info *cfg = drvr->config; 3682 struct brcmf_pno_scanresults_le *pfn_result; 3683 struct brcmf_pno_net_info_le *netinfo; 3684 3685 brcmf_dbg(SCAN, "Enter\n"); 3686 3687 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { 3688 brcmf_dbg(SCAN, "Event data to small. Ignore\n"); 3689 return 0; 3690 } 3691 3692 pfn_result = (struct brcmf_pno_scanresults_le *)data; 3693 3694 if (e->event_code == BRCMF_E_PFN_NET_LOST) { 3695 brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n"); 3696 return 0; 3697 } 3698 3699 if (le32_to_cpu(pfn_result->count) < 1) { 3700 bphy_err(drvr, "Invalid result count, expected 1 (%d)\n", 3701 le32_to_cpu(pfn_result->count)); 3702 return -EINVAL; 3703 } 3704 3705 netinfo = brcmf_get_netinfo_array(pfn_result); 3706 if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN) 3707 netinfo->SSID_len = IEEE80211_MAX_SSID_LEN; 3708 memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len); 3709 cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len; 3710 cfg->wowl.nd->n_channels = 1; 3711 cfg->wowl.nd->channels[0] = 3712 ieee80211_channel_to_frequency(netinfo->channel, 3713 netinfo->channel <= CH_MAX_2G_CHANNEL ? 3714 NL80211_BAND_2GHZ : NL80211_BAND_5GHZ); 3715 cfg->wowl.nd_info->n_matches = 1; 3716 cfg->wowl.nd_info->matches[0] = cfg->wowl.nd; 3717 3718 /* Inform (the resume task) that the net detect information was recvd */ 3719 cfg->wowl.nd_data_completed = true; 3720 wake_up(&cfg->wowl.nd_data_wait); 3721 3722 return 0; 3723 } 3724 3725 #ifdef CONFIG_PM 3726 3727 static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) 3728 { 3729 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3730 struct brcmf_pub *drvr = cfg->pub; 3731 struct brcmf_wowl_wakeind_le wake_ind_le; 3732 struct cfg80211_wowlan_wakeup wakeup_data; 3733 struct cfg80211_wowlan_wakeup *wakeup; 3734 u32 wakeind; 3735 s32 err; 3736 int timeout; 3737 3738 err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le, 3739 sizeof(wake_ind_le)); 3740 if (err) { 3741 bphy_err(drvr, "Get wowl_wakeind failed, err = %d\n", err); 3742 return; 3743 } 3744 3745 wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind); 3746 if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | 3747 BRCMF_WOWL_RETR | BRCMF_WOWL_NET | 3748 BRCMF_WOWL_PFN_FOUND)) { 3749 wakeup = &wakeup_data; 3750 memset(&wakeup_data, 0, sizeof(wakeup_data)); 3751 wakeup_data.pattern_idx = -1; 3752 3753 if (wakeind & BRCMF_WOWL_MAGIC) { 3754 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n"); 3755 wakeup_data.magic_pkt = true; 3756 } 3757 if (wakeind & BRCMF_WOWL_DIS) { 3758 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n"); 3759 wakeup_data.disconnect = true; 3760 } 3761 if (wakeind & BRCMF_WOWL_BCN) { 3762 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n"); 3763 wakeup_data.disconnect = true; 3764 } 3765 if (wakeind & BRCMF_WOWL_RETR) { 3766 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n"); 3767 wakeup_data.disconnect = true; 3768 } 3769 if (wakeind & BRCMF_WOWL_NET) { 3770 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n"); 3771 /* For now always map to pattern 0, no API to get 3772 * correct information available at the moment. 3773 */ 3774 wakeup_data.pattern_idx = 0; 3775 } 3776 if (wakeind & BRCMF_WOWL_PFN_FOUND) { 3777 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n"); 3778 timeout = wait_event_timeout(cfg->wowl.nd_data_wait, 3779 cfg->wowl.nd_data_completed, 3780 BRCMF_ND_INFO_TIMEOUT); 3781 if (!timeout) 3782 bphy_err(drvr, "No result for wowl net detect\n"); 3783 else 3784 wakeup_data.net_detect = cfg->wowl.nd_info; 3785 } 3786 if (wakeind & BRCMF_WOWL_GTK_FAILURE) { 3787 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n"); 3788 wakeup_data.gtk_rekey_failure = true; 3789 } 3790 } else { 3791 wakeup = NULL; 3792 } 3793 cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL); 3794 } 3795 3796 #else 3797 3798 static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) 3799 { 3800 } 3801 3802 #endif /* CONFIG_PM */ 3803 3804 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) 3805 { 3806 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3807 struct net_device *ndev = cfg_to_ndev(cfg); 3808 struct brcmf_if *ifp = netdev_priv(ndev); 3809 3810 brcmf_dbg(TRACE, "Enter\n"); 3811 3812 if (cfg->wowl.active) { 3813 brcmf_report_wowl_wakeind(wiphy, ifp); 3814 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); 3815 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); 3816 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) 3817 brcmf_configure_arp_nd_offload(ifp, true); 3818 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, 3819 cfg->wowl.pre_pmmode); 3820 cfg->wowl.active = false; 3821 if (cfg->wowl.nd_enabled) { 3822 brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev, 0); 3823 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); 3824 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, 3825 brcmf_notify_sched_scan_results); 3826 cfg->wowl.nd_enabled = false; 3827 } 3828 } 3829 return 0; 3830 } 3831 3832 static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, 3833 struct brcmf_if *ifp, 3834 struct cfg80211_wowlan *wowl) 3835 { 3836 u32 wowl_config; 3837 struct brcmf_wowl_wakeind_le wowl_wakeind; 3838 u32 i; 3839 3840 brcmf_dbg(TRACE, "Suspend, wowl config.\n"); 3841 3842 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) 3843 brcmf_configure_arp_nd_offload(ifp, false); 3844 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode); 3845 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); 3846 3847 wowl_config = 0; 3848 if (wowl->disconnect) 3849 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; 3850 if (wowl->magic_pkt) 3851 wowl_config |= BRCMF_WOWL_MAGIC; 3852 if ((wowl->patterns) && (wowl->n_patterns)) { 3853 wowl_config |= BRCMF_WOWL_NET; 3854 for (i = 0; i < wowl->n_patterns; i++) { 3855 brcmf_config_wowl_pattern(ifp, "add", 3856 (u8 *)wowl->patterns[i].pattern, 3857 wowl->patterns[i].pattern_len, 3858 (u8 *)wowl->patterns[i].mask, 3859 wowl->patterns[i].pkt_offset); 3860 } 3861 } 3862 if (wowl->nd_config) { 3863 brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev, 3864 wowl->nd_config); 3865 wowl_config |= BRCMF_WOWL_PFN_FOUND; 3866 3867 cfg->wowl.nd_data_completed = false; 3868 cfg->wowl.nd_enabled = true; 3869 /* Now reroute the event for PFN to the wowl function. */ 3870 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); 3871 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, 3872 brcmf_wowl_nd_results); 3873 } 3874 if (wowl->gtk_rekey_failure) 3875 wowl_config |= BRCMF_WOWL_GTK_FAILURE; 3876 if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) 3877 wowl_config |= BRCMF_WOWL_UNASSOC; 3878 3879 memcpy(&wowl_wakeind, "clear", 6); 3880 brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", &wowl_wakeind, 3881 sizeof(wowl_wakeind)); 3882 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); 3883 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); 3884 brcmf_bus_wowl_config(cfg->pub->bus_if, true); 3885 cfg->wowl.active = true; 3886 } 3887 3888 static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, 3889 struct cfg80211_wowlan *wowl) 3890 { 3891 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3892 struct net_device *ndev = cfg_to_ndev(cfg); 3893 struct brcmf_if *ifp = netdev_priv(ndev); 3894 struct brcmf_cfg80211_vif *vif; 3895 3896 brcmf_dbg(TRACE, "Enter\n"); 3897 3898 /* if the primary net_device is not READY there is nothing 3899 * we can do but pray resume goes smoothly. 3900 */ 3901 if (!check_vif_up(ifp->vif)) 3902 goto exit; 3903 3904 /* Stop scheduled scan */ 3905 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) 3906 brcmf_cfg80211_sched_scan_stop(wiphy, ndev, 0); 3907 3908 /* end any scanning */ 3909 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) 3910 brcmf_abort_scanning(cfg); 3911 3912 if (wowl == NULL) { 3913 brcmf_bus_wowl_config(cfg->pub->bus_if, false); 3914 list_for_each_entry(vif, &cfg->vif_list, list) { 3915 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) 3916 continue; 3917 /* While going to suspend if associated with AP 3918 * disassociate from AP to save power while system is 3919 * in suspended state 3920 */ 3921 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED, true); 3922 /* Make sure WPA_Supplicant receives all the event 3923 * generated due to DISASSOC call to the fw to keep 3924 * the state fw and WPA_Supplicant state consistent 3925 */ 3926 brcmf_delay(500); 3927 } 3928 /* Configure MPC */ 3929 brcmf_set_mpc(ifp, 1); 3930 3931 } else { 3932 /* Configure WOWL paramaters */ 3933 brcmf_configure_wowl(cfg, ifp, wowl); 3934 } 3935 3936 exit: 3937 brcmf_dbg(TRACE, "Exit\n"); 3938 /* clear any scanning activity */ 3939 cfg->scan_status = 0; 3940 return 0; 3941 } 3942 3943 static __used s32 3944 brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp) 3945 { 3946 struct brcmf_pmk_list_le *pmk_list; 3947 int i; 3948 u32 npmk; 3949 s32 err; 3950 3951 pmk_list = &cfg->pmk_list; 3952 npmk = le32_to_cpu(pmk_list->npmk); 3953 3954 brcmf_dbg(CONN, "No of elements %d\n", npmk); 3955 for (i = 0; i < npmk; i++) 3956 brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid); 3957 3958 err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list, 3959 sizeof(*pmk_list)); 3960 3961 return err; 3962 } 3963 3964 static s32 3965 brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, 3966 struct cfg80211_pmksa *pmksa) 3967 { 3968 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 3969 struct brcmf_if *ifp = netdev_priv(ndev); 3970 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; 3971 struct brcmf_pub *drvr = cfg->pub; 3972 s32 err; 3973 u32 npmk, i; 3974 3975 brcmf_dbg(TRACE, "Enter\n"); 3976 if (!check_vif_up(ifp->vif)) 3977 return -EIO; 3978 3979 npmk = le32_to_cpu(cfg->pmk_list.npmk); 3980 for (i = 0; i < npmk; i++) 3981 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN)) 3982 break; 3983 if (i < BRCMF_MAXPMKID) { 3984 memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN); 3985 memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); 3986 if (i == npmk) { 3987 npmk++; 3988 cfg->pmk_list.npmk = cpu_to_le32(npmk); 3989 } 3990 } else { 3991 bphy_err(drvr, "Too many PMKSA entries cached %d\n", npmk); 3992 return -EINVAL; 3993 } 3994 3995 brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid); 3996 brcmf_dbg(CONN, "%*ph\n", WLAN_PMKID_LEN, pmk[npmk].pmkid); 3997 3998 err = brcmf_update_pmklist(cfg, ifp); 3999 4000 brcmf_dbg(TRACE, "Exit\n"); 4001 return err; 4002 } 4003 4004 static s32 4005 brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, 4006 struct cfg80211_pmksa *pmksa) 4007 { 4008 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 4009 struct brcmf_if *ifp = netdev_priv(ndev); 4010 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; 4011 struct brcmf_pub *drvr = cfg->pub; 4012 s32 err; 4013 u32 npmk, i; 4014 4015 brcmf_dbg(TRACE, "Enter\n"); 4016 if (!check_vif_up(ifp->vif)) 4017 return -EIO; 4018 4019 brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", pmksa->bssid); 4020 4021 npmk = le32_to_cpu(cfg->pmk_list.npmk); 4022 for (i = 0; i < npmk; i++) 4023 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN)) 4024 break; 4025 4026 if ((npmk > 0) && (i < npmk)) { 4027 for (; i < (npmk - 1); i++) { 4028 memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN); 4029 memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid, 4030 WLAN_PMKID_LEN); 4031 } 4032 memset(&pmk[i], 0, sizeof(*pmk)); 4033 cfg->pmk_list.npmk = cpu_to_le32(npmk - 1); 4034 } else { 4035 bphy_err(drvr, "Cache entry not found\n"); 4036 return -EINVAL; 4037 } 4038 4039 err = brcmf_update_pmklist(cfg, ifp); 4040 4041 brcmf_dbg(TRACE, "Exit\n"); 4042 return err; 4043 4044 } 4045 4046 static s32 4047 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) 4048 { 4049 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 4050 struct brcmf_if *ifp = netdev_priv(ndev); 4051 s32 err; 4052 4053 brcmf_dbg(TRACE, "Enter\n"); 4054 if (!check_vif_up(ifp->vif)) 4055 return -EIO; 4056 4057 memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list)); 4058 err = brcmf_update_pmklist(cfg, ifp); 4059 4060 brcmf_dbg(TRACE, "Exit\n"); 4061 return err; 4062 4063 } 4064 4065 static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) 4066 { 4067 struct brcmf_pub *drvr = ifp->drvr; 4068 s32 err; 4069 s32 wpa_val; 4070 4071 /* set auth */ 4072 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); 4073 if (err < 0) { 4074 bphy_err(drvr, "auth error %d\n", err); 4075 return err; 4076 } 4077 /* set wsec */ 4078 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); 4079 if (err < 0) { 4080 bphy_err(drvr, "wsec error %d\n", err); 4081 return err; 4082 } 4083 /* set upper-layer auth */ 4084 if (brcmf_is_ibssmode(ifp->vif)) 4085 wpa_val = WPA_AUTH_NONE; 4086 else 4087 wpa_val = WPA_AUTH_DISABLED; 4088 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_val); 4089 if (err < 0) { 4090 bphy_err(drvr, "wpa_auth error %d\n", err); 4091 return err; 4092 } 4093 4094 return 0; 4095 } 4096 4097 static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) 4098 { 4099 if (is_rsn_ie) 4100 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); 4101 4102 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); 4103 } 4104 4105 static s32 4106 brcmf_configure_wpaie(struct brcmf_if *ifp, 4107 const struct brcmf_vs_tlv *wpa_ie, 4108 bool is_rsn_ie) 4109 { 4110 struct brcmf_pub *drvr = ifp->drvr; 4111 u32 auth = 0; /* d11 open authentication */ 4112 u16 count; 4113 s32 err = 0; 4114 s32 len; 4115 u32 i; 4116 u32 wsec; 4117 u32 pval = 0; 4118 u32 gval = 0; 4119 u32 wpa_auth = 0; 4120 u32 offset; 4121 u8 *data; 4122 u16 rsn_cap; 4123 u32 wme_bss_disable; 4124 u32 mfp; 4125 4126 brcmf_dbg(TRACE, "Enter\n"); 4127 if (wpa_ie == NULL) 4128 goto exit; 4129 4130 len = wpa_ie->len + TLV_HDR_LEN; 4131 data = (u8 *)wpa_ie; 4132 offset = TLV_HDR_LEN; 4133 if (!is_rsn_ie) 4134 offset += VS_IE_FIXED_HDR_LEN; 4135 else 4136 offset += WPA_IE_VERSION_LEN; 4137 4138 /* check for multicast cipher suite */ 4139 if (offset + WPA_IE_MIN_OUI_LEN > len) { 4140 err = -EINVAL; 4141 bphy_err(drvr, "no multicast cipher suite\n"); 4142 goto exit; 4143 } 4144 4145 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { 4146 err = -EINVAL; 4147 bphy_err(drvr, "ivalid OUI\n"); 4148 goto exit; 4149 } 4150 offset += TLV_OUI_LEN; 4151 4152 /* pick up multicast cipher */ 4153 switch (data[offset]) { 4154 case WPA_CIPHER_NONE: 4155 gval = 0; 4156 break; 4157 case WPA_CIPHER_WEP_40: 4158 case WPA_CIPHER_WEP_104: 4159 gval = WEP_ENABLED; 4160 break; 4161 case WPA_CIPHER_TKIP: 4162 gval = TKIP_ENABLED; 4163 break; 4164 case WPA_CIPHER_AES_CCM: 4165 gval = AES_ENABLED; 4166 break; 4167 default: 4168 err = -EINVAL; 4169 bphy_err(drvr, "Invalid multi cast cipher info\n"); 4170 goto exit; 4171 } 4172 4173 offset++; 4174 /* walk thru unicast cipher list and pick up what we recognize */ 4175 count = data[offset] + (data[offset + 1] << 8); 4176 offset += WPA_IE_SUITE_COUNT_LEN; 4177 /* Check for unicast suite(s) */ 4178 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { 4179 err = -EINVAL; 4180 bphy_err(drvr, "no unicast cipher suite\n"); 4181 goto exit; 4182 } 4183 for (i = 0; i < count; i++) { 4184 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { 4185 err = -EINVAL; 4186 bphy_err(drvr, "ivalid OUI\n"); 4187 goto exit; 4188 } 4189 offset += TLV_OUI_LEN; 4190 switch (data[offset]) { 4191 case WPA_CIPHER_NONE: 4192 break; 4193 case WPA_CIPHER_WEP_40: 4194 case WPA_CIPHER_WEP_104: 4195 pval |= WEP_ENABLED; 4196 break; 4197 case WPA_CIPHER_TKIP: 4198 pval |= TKIP_ENABLED; 4199 break; 4200 case WPA_CIPHER_AES_CCM: 4201 pval |= AES_ENABLED; 4202 break; 4203 default: 4204 bphy_err(drvr, "Invalid unicast security info\n"); 4205 } 4206 offset++; 4207 } 4208 /* walk thru auth management suite list and pick up what we recognize */ 4209 count = data[offset] + (data[offset + 1] << 8); 4210 offset += WPA_IE_SUITE_COUNT_LEN; 4211 /* Check for auth key management suite(s) */ 4212 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { 4213 err = -EINVAL; 4214 bphy_err(drvr, "no auth key mgmt suite\n"); 4215 goto exit; 4216 } 4217 for (i = 0; i < count; i++) { 4218 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { 4219 err = -EINVAL; 4220 bphy_err(drvr, "ivalid OUI\n"); 4221 goto exit; 4222 } 4223 offset += TLV_OUI_LEN; 4224 switch (data[offset]) { 4225 case RSN_AKM_NONE: 4226 brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); 4227 wpa_auth |= WPA_AUTH_NONE; 4228 break; 4229 case RSN_AKM_UNSPECIFIED: 4230 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); 4231 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : 4232 (wpa_auth |= WPA_AUTH_UNSPECIFIED); 4233 break; 4234 case RSN_AKM_PSK: 4235 brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); 4236 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : 4237 (wpa_auth |= WPA_AUTH_PSK); 4238 break; 4239 case RSN_AKM_SHA256_PSK: 4240 brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n"); 4241 wpa_auth |= WPA2_AUTH_PSK_SHA256; 4242 break; 4243 case RSN_AKM_SHA256_1X: 4244 brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n"); 4245 wpa_auth |= WPA2_AUTH_1X_SHA256; 4246 break; 4247 case RSN_AKM_SAE: 4248 brcmf_dbg(TRACE, "RSN_AKM_SAE\n"); 4249 wpa_auth |= WPA3_AUTH_SAE_PSK; 4250 break; 4251 default: 4252 bphy_err(drvr, "Invalid key mgmt info\n"); 4253 } 4254 offset++; 4255 } 4256 4257 mfp = BRCMF_MFP_NONE; 4258 if (is_rsn_ie) { 4259 wme_bss_disable = 1; 4260 if ((offset + RSN_CAP_LEN) <= len) { 4261 rsn_cap = data[offset] + (data[offset + 1] << 8); 4262 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) 4263 wme_bss_disable = 0; 4264 if (rsn_cap & RSN_CAP_MFPR_MASK) { 4265 brcmf_dbg(TRACE, "MFP Required\n"); 4266 mfp = BRCMF_MFP_REQUIRED; 4267 /* Firmware only supports mfp required in 4268 * combination with WPA2_AUTH_PSK_SHA256, 4269 * WPA2_AUTH_1X_SHA256, or WPA3_AUTH_SAE_PSK. 4270 */ 4271 if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 | 4272 WPA2_AUTH_1X_SHA256 | 4273 WPA3_AUTH_SAE_PSK))) { 4274 err = -EINVAL; 4275 goto exit; 4276 } 4277 /* Firmware has requirement that WPA2_AUTH_PSK/ 4278 * WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI 4279 * is to be included in the rsn ie. 4280 */ 4281 if (wpa_auth & WPA2_AUTH_PSK_SHA256) 4282 wpa_auth |= WPA2_AUTH_PSK; 4283 else if (wpa_auth & WPA2_AUTH_1X_SHA256) 4284 wpa_auth |= WPA2_AUTH_UNSPECIFIED; 4285 } else if (rsn_cap & RSN_CAP_MFPC_MASK) { 4286 brcmf_dbg(TRACE, "MFP Capable\n"); 4287 mfp = BRCMF_MFP_CAPABLE; 4288 } 4289 } 4290 offset += RSN_CAP_LEN; 4291 /* set wme_bss_disable to sync RSN Capabilities */ 4292 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", 4293 wme_bss_disable); 4294 if (err < 0) { 4295 bphy_err(drvr, "wme_bss_disable error %d\n", err); 4296 goto exit; 4297 } 4298 4299 /* Skip PMKID cnt as it is know to be 0 for AP. */ 4300 offset += RSN_PMKID_COUNT_LEN; 4301 4302 /* See if there is BIP wpa suite left for MFP */ 4303 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) && 4304 ((offset + WPA_IE_MIN_OUI_LEN) <= len)) { 4305 err = brcmf_fil_bsscfg_data_set(ifp, "bip", 4306 &data[offset], 4307 WPA_IE_MIN_OUI_LEN); 4308 if (err < 0) { 4309 bphy_err(drvr, "bip error %d\n", err); 4310 goto exit; 4311 } 4312 } 4313 } 4314 /* FOR WPS , set SES_OW_ENABLED */ 4315 wsec = (pval | gval | SES_OW_ENABLED); 4316 4317 /* set auth */ 4318 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); 4319 if (err < 0) { 4320 bphy_err(drvr, "auth error %d\n", err); 4321 goto exit; 4322 } 4323 /* set wsec */ 4324 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); 4325 if (err < 0) { 4326 bphy_err(drvr, "wsec error %d\n", err); 4327 goto exit; 4328 } 4329 /* Configure MFP, this needs to go after wsec otherwise the wsec command 4330 * will overwrite the values set by MFP 4331 */ 4332 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) { 4333 err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp); 4334 if (err < 0) { 4335 bphy_err(drvr, "mfp error %d\n", err); 4336 goto exit; 4337 } 4338 } 4339 /* set upper-layer auth */ 4340 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); 4341 if (err < 0) { 4342 bphy_err(drvr, "wpa_auth error %d\n", err); 4343 goto exit; 4344 } 4345 4346 exit: 4347 return err; 4348 } 4349 4350 static s32 4351 brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, 4352 struct parsed_vndr_ies *vndr_ies) 4353 { 4354 struct brcmf_vs_tlv *vndrie; 4355 struct brcmf_tlv *ie; 4356 struct parsed_vndr_ie_info *parsed_info; 4357 s32 remaining_len; 4358 4359 remaining_len = (s32)vndr_ie_len; 4360 memset(vndr_ies, 0, sizeof(*vndr_ies)); 4361 4362 ie = (struct brcmf_tlv *)vndr_ie_buf; 4363 while (ie) { 4364 if (ie->id != WLAN_EID_VENDOR_SPECIFIC) 4365 goto next; 4366 vndrie = (struct brcmf_vs_tlv *)ie; 4367 /* len should be bigger than OUI length + one */ 4368 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { 4369 brcmf_err("invalid vndr ie. length is too small %d\n", 4370 vndrie->len); 4371 goto next; 4372 } 4373 /* if wpa or wme ie, do not add ie */ 4374 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && 4375 ((vndrie->oui_type == WPA_OUI_TYPE) || 4376 (vndrie->oui_type == WME_OUI_TYPE))) { 4377 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); 4378 goto next; 4379 } 4380 4381 parsed_info = &vndr_ies->ie_info[vndr_ies->count]; 4382 4383 /* save vndr ie information */ 4384 parsed_info->ie_ptr = (char *)vndrie; 4385 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; 4386 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); 4387 4388 vndr_ies->count++; 4389 4390 brcmf_dbg(TRACE, "** OUI %3ph, type 0x%02x\n", 4391 parsed_info->vndrie.oui, 4392 parsed_info->vndrie.oui_type); 4393 4394 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) 4395 break; 4396 next: 4397 remaining_len -= (ie->len + TLV_HDR_LEN); 4398 if (remaining_len <= TLV_HDR_LEN) 4399 ie = NULL; 4400 else 4401 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + 4402 TLV_HDR_LEN); 4403 } 4404 return 0; 4405 } 4406 4407 static u32 4408 brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) 4409 { 4410 strscpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN); 4411 4412 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); 4413 4414 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]); 4415 4416 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); 4417 4418 return ie_len + VNDR_IE_HDR_SIZE; 4419 } 4420 4421 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, 4422 const u8 *vndr_ie_buf, u32 vndr_ie_len) 4423 { 4424 struct brcmf_pub *drvr; 4425 struct brcmf_if *ifp; 4426 struct vif_saved_ie *saved_ie; 4427 s32 err = 0; 4428 u8 *iovar_ie_buf; 4429 u8 *curr_ie_buf; 4430 u8 *mgmt_ie_buf = NULL; 4431 int mgmt_ie_buf_len; 4432 u32 *mgmt_ie_len; 4433 u32 del_add_ie_buf_len = 0; 4434 u32 total_ie_buf_len = 0; 4435 u32 parsed_ie_buf_len = 0; 4436 struct parsed_vndr_ies old_vndr_ies; 4437 struct parsed_vndr_ies new_vndr_ies; 4438 struct parsed_vndr_ie_info *vndrie_info; 4439 s32 i; 4440 u8 *ptr; 4441 int remained_buf_len; 4442 4443 if (!vif) 4444 return -ENODEV; 4445 ifp = vif->ifp; 4446 drvr = ifp->drvr; 4447 saved_ie = &vif->saved_ie; 4448 4449 brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx, 4450 pktflag); 4451 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); 4452 if (!iovar_ie_buf) 4453 return -ENOMEM; 4454 curr_ie_buf = iovar_ie_buf; 4455 switch (pktflag) { 4456 case BRCMF_VNDR_IE_PRBREQ_FLAG: 4457 mgmt_ie_buf = saved_ie->probe_req_ie; 4458 mgmt_ie_len = &saved_ie->probe_req_ie_len; 4459 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); 4460 break; 4461 case BRCMF_VNDR_IE_PRBRSP_FLAG: 4462 mgmt_ie_buf = saved_ie->probe_res_ie; 4463 mgmt_ie_len = &saved_ie->probe_res_ie_len; 4464 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); 4465 break; 4466 case BRCMF_VNDR_IE_BEACON_FLAG: 4467 mgmt_ie_buf = saved_ie->beacon_ie; 4468 mgmt_ie_len = &saved_ie->beacon_ie_len; 4469 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); 4470 break; 4471 case BRCMF_VNDR_IE_ASSOCREQ_FLAG: 4472 mgmt_ie_buf = saved_ie->assoc_req_ie; 4473 mgmt_ie_len = &saved_ie->assoc_req_ie_len; 4474 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); 4475 break; 4476 case BRCMF_VNDR_IE_ASSOCRSP_FLAG: 4477 mgmt_ie_buf = saved_ie->assoc_res_ie; 4478 mgmt_ie_len = &saved_ie->assoc_res_ie_len; 4479 mgmt_ie_buf_len = sizeof(saved_ie->assoc_res_ie); 4480 break; 4481 default: 4482 err = -EPERM; 4483 bphy_err(drvr, "not suitable type\n"); 4484 goto exit; 4485 } 4486 4487 if (vndr_ie_len > mgmt_ie_buf_len) { 4488 err = -ENOMEM; 4489 bphy_err(drvr, "extra IE size too big\n"); 4490 goto exit; 4491 } 4492 4493 /* parse and save new vndr_ie in curr_ie_buff before comparing it */ 4494 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { 4495 ptr = curr_ie_buf; 4496 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); 4497 for (i = 0; i < new_vndr_ies.count; i++) { 4498 vndrie_info = &new_vndr_ies.ie_info[i]; 4499 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, 4500 vndrie_info->ie_len); 4501 parsed_ie_buf_len += vndrie_info->ie_len; 4502 } 4503 } 4504 4505 if (mgmt_ie_buf && *mgmt_ie_len) { 4506 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && 4507 (memcmp(mgmt_ie_buf, curr_ie_buf, 4508 parsed_ie_buf_len) == 0)) { 4509 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); 4510 goto exit; 4511 } 4512 4513 /* parse old vndr_ie */ 4514 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); 4515 4516 /* make a command to delete old ie */ 4517 for (i = 0; i < old_vndr_ies.count; i++) { 4518 vndrie_info = &old_vndr_ies.ie_info[i]; 4519 4520 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%3ph\n", 4521 vndrie_info->vndrie.id, 4522 vndrie_info->vndrie.len, 4523 vndrie_info->vndrie.oui); 4524 4525 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, 4526 vndrie_info->ie_ptr, 4527 vndrie_info->ie_len, 4528 "del"); 4529 curr_ie_buf += del_add_ie_buf_len; 4530 total_ie_buf_len += del_add_ie_buf_len; 4531 } 4532 } 4533 4534 *mgmt_ie_len = 0; 4535 /* Add if there is any extra IE */ 4536 if (mgmt_ie_buf && parsed_ie_buf_len) { 4537 ptr = mgmt_ie_buf; 4538 4539 remained_buf_len = mgmt_ie_buf_len; 4540 4541 /* make a command to add new ie */ 4542 for (i = 0; i < new_vndr_ies.count; i++) { 4543 vndrie_info = &new_vndr_ies.ie_info[i]; 4544 4545 /* verify remained buf size before copy data */ 4546 if (remained_buf_len < (vndrie_info->vndrie.len + 4547 VNDR_IE_VSIE_OFFSET)) { 4548 bphy_err(drvr, "no space in mgmt_ie_buf: len left %d", 4549 remained_buf_len); 4550 break; 4551 } 4552 remained_buf_len -= (vndrie_info->ie_len + 4553 VNDR_IE_VSIE_OFFSET); 4554 4555 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%3ph\n", 4556 vndrie_info->vndrie.id, 4557 vndrie_info->vndrie.len, 4558 vndrie_info->vndrie.oui); 4559 4560 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, 4561 vndrie_info->ie_ptr, 4562 vndrie_info->ie_len, 4563 "add"); 4564 4565 /* save the parsed IE in wl struct */ 4566 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, 4567 vndrie_info->ie_len); 4568 *mgmt_ie_len += vndrie_info->ie_len; 4569 4570 curr_ie_buf += del_add_ie_buf_len; 4571 total_ie_buf_len += del_add_ie_buf_len; 4572 } 4573 } 4574 if (total_ie_buf_len) { 4575 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, 4576 total_ie_buf_len); 4577 if (err) 4578 bphy_err(drvr, "vndr ie set error : %d\n", err); 4579 } 4580 4581 exit: 4582 kfree(iovar_ie_buf); 4583 return err; 4584 } 4585 4586 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) 4587 { 4588 s32 pktflags[] = { 4589 BRCMF_VNDR_IE_PRBREQ_FLAG, 4590 BRCMF_VNDR_IE_PRBRSP_FLAG, 4591 BRCMF_VNDR_IE_BEACON_FLAG 4592 }; 4593 int i; 4594 4595 for (i = 0; i < ARRAY_SIZE(pktflags); i++) 4596 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); 4597 4598 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); 4599 return 0; 4600 } 4601 4602 static s32 4603 brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, 4604 struct cfg80211_beacon_data *beacon) 4605 { 4606 struct brcmf_pub *drvr = vif->ifp->drvr; 4607 s32 err; 4608 4609 /* Set Beacon IEs to FW */ 4610 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, 4611 beacon->tail, beacon->tail_len); 4612 if (err) { 4613 bphy_err(drvr, "Set Beacon IE Failed\n"); 4614 return err; 4615 } 4616 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); 4617 4618 /* Set Probe Response IEs to FW */ 4619 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, 4620 beacon->proberesp_ies, 4621 beacon->proberesp_ies_len); 4622 if (err) 4623 bphy_err(drvr, "Set Probe Resp IE Failed\n"); 4624 else 4625 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); 4626 4627 /* Set Assoc Response IEs to FW */ 4628 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_ASSOCRSP_FLAG, 4629 beacon->assocresp_ies, 4630 beacon->assocresp_ies_len); 4631 if (err) 4632 brcmf_err("Set Assoc Resp IE Failed\n"); 4633 else 4634 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc Resp\n"); 4635 4636 return err; 4637 } 4638 4639 static s32 4640 brcmf_parse_configure_security(struct brcmf_if *ifp, 4641 struct cfg80211_ap_settings *settings, 4642 enum nl80211_iftype dev_role) 4643 { 4644 const struct brcmf_tlv *rsn_ie; 4645 const struct brcmf_vs_tlv *wpa_ie; 4646 s32 err = 0; 4647 4648 /* find the RSN_IE */ 4649 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, 4650 settings->beacon.tail_len, WLAN_EID_RSN); 4651 4652 /* find the WPA_IE */ 4653 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, 4654 settings->beacon.tail_len); 4655 4656 if (wpa_ie || rsn_ie) { 4657 brcmf_dbg(TRACE, "WPA(2) IE is found\n"); 4658 if (wpa_ie) { 4659 /* WPA IE */ 4660 err = brcmf_configure_wpaie(ifp, wpa_ie, false); 4661 if (err < 0) 4662 return err; 4663 } else { 4664 struct brcmf_vs_tlv *tmp_ie; 4665 4666 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie; 4667 4668 /* RSN IE */ 4669 err = brcmf_configure_wpaie(ifp, tmp_ie, true); 4670 if (err < 0) 4671 return err; 4672 } 4673 } else { 4674 brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); 4675 brcmf_configure_opensecurity(ifp); 4676 } 4677 4678 return err; 4679 } 4680 4681 static s32 4682 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, 4683 struct cfg80211_ap_settings *settings) 4684 { 4685 s32 ie_offset; 4686 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 4687 struct brcmf_if *ifp = netdev_priv(ndev); 4688 struct brcmf_pub *drvr = cfg->pub; 4689 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 4690 struct cfg80211_crypto_settings *crypto = &settings->crypto; 4691 const struct brcmf_tlv *ssid_ie; 4692 const struct brcmf_tlv *country_ie; 4693 struct brcmf_ssid_le ssid_le; 4694 s32 err = -EPERM; 4695 struct brcmf_join_params join_params; 4696 enum nl80211_iftype dev_role; 4697 struct brcmf_fil_bss_enable_le bss_enable; 4698 u16 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef); 4699 bool mbss; 4700 int is_11d; 4701 bool supports_11d; 4702 4703 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", 4704 settings->chandef.chan->hw_value, 4705 settings->chandef.center_freq1, settings->chandef.width, 4706 settings->beacon_interval, settings->dtim_period); 4707 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", 4708 settings->ssid, settings->ssid_len, settings->auth_type, 4709 settings->inactivity_timeout); 4710 dev_role = ifp->vif->wdev.iftype; 4711 mbss = ifp->vif->mbss; 4712 4713 /* store current 11d setting */ 4714 if (brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, 4715 &ifp->vif->is_11d)) { 4716 is_11d = supports_11d = false; 4717 } else { 4718 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, 4719 settings->beacon.tail_len, 4720 WLAN_EID_COUNTRY); 4721 is_11d = country_ie ? 1 : 0; 4722 supports_11d = true; 4723 } 4724 4725 memset(&ssid_le, 0, sizeof(ssid_le)); 4726 if (settings->ssid == NULL || settings->ssid_len == 0) { 4727 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; 4728 ssid_ie = brcmf_parse_tlvs( 4729 (u8 *)&settings->beacon.head[ie_offset], 4730 settings->beacon.head_len - ie_offset, 4731 WLAN_EID_SSID); 4732 if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN) 4733 return -EINVAL; 4734 4735 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); 4736 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); 4737 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); 4738 } else { 4739 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); 4740 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); 4741 } 4742 4743 if (!mbss) { 4744 brcmf_set_mpc(ifp, 0); 4745 brcmf_configure_arp_nd_offload(ifp, false); 4746 } 4747 4748 /* Parameters shared by all radio interfaces */ 4749 if (!mbss) { 4750 if ((supports_11d) && (is_11d != ifp->vif->is_11d)) { 4751 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, 4752 is_11d); 4753 if (err < 0) { 4754 bphy_err(drvr, "Regulatory Set Error, %d\n", 4755 err); 4756 goto exit; 4757 } 4758 } 4759 if (settings->beacon_interval) { 4760 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, 4761 settings->beacon_interval); 4762 if (err < 0) { 4763 bphy_err(drvr, "Beacon Interval Set Error, %d\n", 4764 err); 4765 goto exit; 4766 } 4767 } 4768 if (settings->dtim_period) { 4769 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, 4770 settings->dtim_period); 4771 if (err < 0) { 4772 bphy_err(drvr, "DTIM Interval Set Error, %d\n", 4773 err); 4774 goto exit; 4775 } 4776 } 4777 4778 if ((dev_role == NL80211_IFTYPE_AP) && 4779 ((ifp->ifidx == 0) || 4780 (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB) && 4781 !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)))) { 4782 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); 4783 if (err < 0) { 4784 bphy_err(drvr, "BRCMF_C_DOWN error %d\n", 4785 err); 4786 goto exit; 4787 } 4788 brcmf_fil_iovar_int_set(ifp, "apsta", 0); 4789 } 4790 4791 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); 4792 if (err < 0) { 4793 bphy_err(drvr, "SET INFRA error %d\n", err); 4794 goto exit; 4795 } 4796 } else if (WARN_ON(supports_11d && (is_11d != ifp->vif->is_11d))) { 4797 /* Multiple-BSS should use same 11d configuration */ 4798 err = -EINVAL; 4799 goto exit; 4800 } 4801 4802 /* Interface specific setup */ 4803 if (dev_role == NL80211_IFTYPE_AP) { 4804 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) 4805 brcmf_fil_iovar_int_set(ifp, "mbss", 1); 4806 4807 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); 4808 if (err < 0) { 4809 bphy_err(drvr, "setting AP mode failed %d\n", 4810 err); 4811 goto exit; 4812 } 4813 if (!mbss) { 4814 /* Firmware 10.x requires setting channel after enabling 4815 * AP and before bringing interface up. 4816 */ 4817 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); 4818 if (err < 0) { 4819 bphy_err(drvr, "Set Channel failed: chspec=%d, %d\n", 4820 chanspec, err); 4821 goto exit; 4822 } 4823 } 4824 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); 4825 if (err < 0) { 4826 bphy_err(drvr, "BRCMF_C_UP error (%d)\n", err); 4827 goto exit; 4828 } 4829 4830 if (crypto->psk) { 4831 brcmf_dbg(INFO, "using PSK offload\n"); 4832 profile->use_fwauth |= BIT(BRCMF_PROFILE_FWAUTH_PSK); 4833 err = brcmf_set_pmk(ifp, crypto->psk, 4834 BRCMF_WSEC_MAX_PSK_LEN); 4835 if (err < 0) 4836 goto exit; 4837 } 4838 if (crypto->sae_pwd) { 4839 brcmf_dbg(INFO, "using SAE offload\n"); 4840 profile->use_fwauth |= BIT(BRCMF_PROFILE_FWAUTH_SAE); 4841 err = brcmf_set_sae_password(ifp, crypto->sae_pwd, 4842 crypto->sae_pwd_len); 4843 if (err < 0) 4844 goto exit; 4845 } 4846 if (profile->use_fwauth == 0) 4847 profile->use_fwauth = BIT(BRCMF_PROFILE_FWAUTH_NONE); 4848 4849 err = brcmf_parse_configure_security(ifp, settings, 4850 NL80211_IFTYPE_AP); 4851 if (err < 0) { 4852 bphy_err(drvr, "brcmf_parse_configure_security error\n"); 4853 goto exit; 4854 } 4855 4856 /* On DOWN the firmware removes the WEP keys, reconfigure 4857 * them if they were set. 4858 */ 4859 brcmf_cfg80211_reconfigure_wep(ifp); 4860 4861 memset(&join_params, 0, sizeof(join_params)); 4862 /* join parameters starts with ssid */ 4863 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); 4864 /* create softap */ 4865 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, 4866 &join_params, sizeof(join_params)); 4867 if (err < 0) { 4868 bphy_err(drvr, "SET SSID error (%d)\n", err); 4869 goto exit; 4870 } 4871 4872 err = brcmf_fil_iovar_int_set(ifp, "closednet", 4873 settings->hidden_ssid); 4874 if (err) { 4875 bphy_err(drvr, "%s closednet error (%d)\n", 4876 settings->hidden_ssid ? 4877 "enabled" : "disabled", 4878 err); 4879 goto exit; 4880 } 4881 4882 brcmf_dbg(TRACE, "AP mode configuration complete\n"); 4883 } else if (dev_role == NL80211_IFTYPE_P2P_GO) { 4884 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); 4885 if (err < 0) { 4886 bphy_err(drvr, "Set Channel failed: chspec=%d, %d\n", 4887 chanspec, err); 4888 goto exit; 4889 } 4890 4891 err = brcmf_parse_configure_security(ifp, settings, 4892 NL80211_IFTYPE_P2P_GO); 4893 if (err < 0) { 4894 brcmf_err("brcmf_parse_configure_security error\n"); 4895 goto exit; 4896 } 4897 4898 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, 4899 sizeof(ssid_le)); 4900 if (err < 0) { 4901 bphy_err(drvr, "setting ssid failed %d\n", err); 4902 goto exit; 4903 } 4904 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); 4905 bss_enable.enable = cpu_to_le32(1); 4906 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, 4907 sizeof(bss_enable)); 4908 if (err < 0) { 4909 bphy_err(drvr, "bss_enable config failed %d\n", err); 4910 goto exit; 4911 } 4912 4913 brcmf_dbg(TRACE, "GO mode configuration complete\n"); 4914 } else { 4915 WARN_ON(1); 4916 } 4917 4918 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); 4919 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); 4920 brcmf_net_setcarrier(ifp, true); 4921 4922 exit: 4923 if ((err) && (!mbss)) { 4924 brcmf_set_mpc(ifp, 1); 4925 brcmf_configure_arp_nd_offload(ifp, true); 4926 } 4927 return err; 4928 } 4929 4930 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) 4931 { 4932 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 4933 struct brcmf_if *ifp = netdev_priv(ndev); 4934 struct brcmf_pub *drvr = cfg->pub; 4935 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 4936 s32 err; 4937 struct brcmf_fil_bss_enable_le bss_enable; 4938 struct brcmf_join_params join_params; 4939 4940 brcmf_dbg(TRACE, "Enter\n"); 4941 4942 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { 4943 /* Due to most likely deauths outstanding we sleep */ 4944 /* first to make sure they get processed by fw. */ 4945 msleep(400); 4946 4947 if (profile->use_fwauth != BIT(BRCMF_PROFILE_FWAUTH_NONE)) { 4948 if (profile->use_fwauth & BIT(BRCMF_PROFILE_FWAUTH_PSK)) 4949 brcmf_set_pmk(ifp, NULL, 0); 4950 if (profile->use_fwauth & BIT(BRCMF_PROFILE_FWAUTH_SAE)) 4951 brcmf_set_sae_password(ifp, NULL, 0); 4952 profile->use_fwauth = BIT(BRCMF_PROFILE_FWAUTH_NONE); 4953 } 4954 4955 if (ifp->vif->mbss) { 4956 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); 4957 return err; 4958 } 4959 4960 /* First BSS doesn't get a full reset */ 4961 if (ifp->bsscfgidx == 0) 4962 brcmf_fil_iovar_int_set(ifp, "closednet", 0); 4963 4964 memset(&join_params, 0, sizeof(join_params)); 4965 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, 4966 &join_params, sizeof(join_params)); 4967 if (err < 0) 4968 bphy_err(drvr, "SET SSID error (%d)\n", err); 4969 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); 4970 if (err < 0) 4971 bphy_err(drvr, "BRCMF_C_DOWN error %d\n", err); 4972 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); 4973 if (err < 0) 4974 bphy_err(drvr, "setting AP mode failed %d\n", err); 4975 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) 4976 brcmf_fil_iovar_int_set(ifp, "mbss", 0); 4977 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, 4978 ifp->vif->is_11d); 4979 /* Bring device back up so it can be used again */ 4980 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); 4981 if (err < 0) 4982 bphy_err(drvr, "BRCMF_C_UP error %d\n", err); 4983 4984 brcmf_vif_clear_mgmt_ies(ifp->vif); 4985 } else { 4986 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); 4987 bss_enable.enable = cpu_to_le32(0); 4988 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, 4989 sizeof(bss_enable)); 4990 if (err < 0) 4991 bphy_err(drvr, "bss_enable config failed %d\n", err); 4992 } 4993 brcmf_set_mpc(ifp, 1); 4994 brcmf_configure_arp_nd_offload(ifp, true); 4995 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); 4996 brcmf_net_setcarrier(ifp, false); 4997 4998 return err; 4999 } 5000 5001 static s32 5002 brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, 5003 struct cfg80211_beacon_data *info) 5004 { 5005 struct brcmf_if *ifp = netdev_priv(ndev); 5006 s32 err; 5007 5008 brcmf_dbg(TRACE, "Enter\n"); 5009 5010 err = brcmf_config_ap_mgmt_ie(ifp->vif, info); 5011 5012 return err; 5013 } 5014 5015 static int 5016 brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, 5017 struct station_del_parameters *params) 5018 { 5019 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5020 struct brcmf_pub *drvr = cfg->pub; 5021 struct brcmf_scb_val_le scbval; 5022 struct brcmf_if *ifp = netdev_priv(ndev); 5023 s32 err; 5024 5025 if (!params->mac) 5026 return -EFAULT; 5027 5028 brcmf_dbg(TRACE, "Enter %pM\n", params->mac); 5029 5030 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) 5031 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; 5032 if (!check_vif_up(ifp->vif)) 5033 return -EIO; 5034 5035 memcpy(&scbval.ea, params->mac, ETH_ALEN); 5036 scbval.val = cpu_to_le32(params->reason_code); 5037 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, 5038 &scbval, sizeof(scbval)); 5039 if (err) 5040 bphy_err(drvr, "SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", 5041 err); 5042 5043 brcmf_dbg(TRACE, "Exit\n"); 5044 return err; 5045 } 5046 5047 static int 5048 brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev, 5049 const u8 *mac, struct station_parameters *params) 5050 { 5051 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5052 struct brcmf_pub *drvr = cfg->pub; 5053 struct brcmf_if *ifp = netdev_priv(ndev); 5054 s32 err; 5055 5056 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac, 5057 params->sta_flags_mask, params->sta_flags_set); 5058 5059 /* Ignore all 00 MAC */ 5060 if (is_zero_ether_addr(mac)) 5061 return 0; 5062 5063 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 5064 return 0; 5065 5066 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 5067 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE, 5068 (void *)mac, ETH_ALEN); 5069 else 5070 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE, 5071 (void *)mac, ETH_ALEN); 5072 if (err < 0) 5073 bphy_err(drvr, "Setting SCB (de-)authorize failed, %d\n", err); 5074 5075 return err; 5076 } 5077 5078 static void 5079 brcmf_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 5080 struct wireless_dev *wdev, 5081 struct mgmt_frame_regs *upd) 5082 { 5083 struct brcmf_cfg80211_vif *vif; 5084 5085 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); 5086 5087 vif->mgmt_rx_reg = upd->interface_stypes; 5088 } 5089 5090 5091 static int 5092 brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 5093 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 5094 { 5095 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5096 struct ieee80211_channel *chan = params->chan; 5097 struct brcmf_pub *drvr = cfg->pub; 5098 const u8 *buf = params->buf; 5099 size_t len = params->len; 5100 const struct ieee80211_mgmt *mgmt; 5101 struct brcmf_cfg80211_vif *vif; 5102 s32 err = 0; 5103 s32 ie_offset; 5104 s32 ie_len; 5105 struct brcmf_fil_action_frame_le *action_frame; 5106 struct brcmf_fil_af_params_le *af_params; 5107 bool ack; 5108 s32 chan_nr; 5109 u32 freq; 5110 5111 brcmf_dbg(TRACE, "Enter\n"); 5112 5113 *cookie = 0; 5114 5115 mgmt = (const struct ieee80211_mgmt *)buf; 5116 5117 if (!ieee80211_is_mgmt(mgmt->frame_control)) { 5118 bphy_err(drvr, "Driver only allows MGMT packet type\n"); 5119 return -EPERM; 5120 } 5121 5122 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); 5123 5124 if (ieee80211_is_probe_resp(mgmt->frame_control)) { 5125 /* Right now the only reason to get a probe response */ 5126 /* is for p2p listen response or for p2p GO from */ 5127 /* wpa_supplicant. Unfortunately the probe is send */ 5128 /* on primary ndev, while dongle wants it on the p2p */ 5129 /* vif. Since this is only reason for a probe */ 5130 /* response to be sent, the vif is taken from cfg. */ 5131 /* If ever desired to send proberesp for non p2p */ 5132 /* response then data should be checked for */ 5133 /* "DIRECT-". Note in future supplicant will take */ 5134 /* dedicated p2p wdev to do this and then this 'hack'*/ 5135 /* is not needed anymore. */ 5136 ie_offset = DOT11_MGMT_HDR_LEN + 5137 DOT11_BCN_PRB_FIXED_LEN; 5138 ie_len = len - ie_offset; 5139 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) 5140 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; 5141 err = brcmf_vif_set_mgmt_ie(vif, 5142 BRCMF_VNDR_IE_PRBRSP_FLAG, 5143 &buf[ie_offset], 5144 ie_len); 5145 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 5146 GFP_KERNEL); 5147 } else if (ieee80211_is_action(mgmt->frame_control)) { 5148 if (len > BRCMF_FIL_ACTION_FRAME_SIZE + DOT11_MGMT_HDR_LEN) { 5149 bphy_err(drvr, "invalid action frame length\n"); 5150 err = -EINVAL; 5151 goto exit; 5152 } 5153 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); 5154 if (af_params == NULL) { 5155 bphy_err(drvr, "unable to allocate frame\n"); 5156 err = -ENOMEM; 5157 goto exit; 5158 } 5159 action_frame = &af_params->action_frame; 5160 /* Add the packet Id */ 5161 action_frame->packet_id = cpu_to_le32(*cookie); 5162 /* Add BSSID */ 5163 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); 5164 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); 5165 /* Add the length exepted for 802.11 header */ 5166 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); 5167 /* Add the channel. Use the one specified as parameter if any or 5168 * the current one (got from the firmware) otherwise 5169 */ 5170 if (chan) 5171 freq = chan->center_freq; 5172 else 5173 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, 5174 &freq); 5175 chan_nr = ieee80211_frequency_to_channel(freq); 5176 af_params->channel = cpu_to_le32(chan_nr); 5177 af_params->dwell_time = cpu_to_le32(params->wait); 5178 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], 5179 le16_to_cpu(action_frame->len)); 5180 5181 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", 5182 *cookie, le16_to_cpu(action_frame->len), freq); 5183 5184 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), 5185 af_params); 5186 5187 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, 5188 GFP_KERNEL); 5189 kfree(af_params); 5190 } else { 5191 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); 5192 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%zu\n", len); 5193 } 5194 5195 exit: 5196 return err; 5197 } 5198 5199 5200 static int 5201 brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 5202 struct wireless_dev *wdev, 5203 u64 cookie) 5204 { 5205 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5206 struct brcmf_pub *drvr = cfg->pub; 5207 struct brcmf_cfg80211_vif *vif; 5208 int err = 0; 5209 5210 brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); 5211 5212 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; 5213 if (vif == NULL) { 5214 bphy_err(drvr, "No p2p device available for probe response\n"); 5215 err = -ENODEV; 5216 goto exit; 5217 } 5218 brcmf_p2p_cancel_remain_on_channel(vif->ifp); 5219 exit: 5220 return err; 5221 } 5222 5223 static int brcmf_cfg80211_get_channel(struct wiphy *wiphy, 5224 struct wireless_dev *wdev, 5225 struct cfg80211_chan_def *chandef) 5226 { 5227 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5228 struct net_device *ndev = wdev->netdev; 5229 struct brcmf_pub *drvr = cfg->pub; 5230 struct brcmu_chan ch; 5231 enum nl80211_band band = 0; 5232 enum nl80211_chan_width width = 0; 5233 u32 chanspec; 5234 int freq, err; 5235 5236 if (!ndev || drvr->bus_if->state != BRCMF_BUS_UP) 5237 return -ENODEV; 5238 5239 err = brcmf_fil_iovar_int_get(netdev_priv(ndev), "chanspec", &chanspec); 5240 if (err) { 5241 bphy_err(drvr, "chanspec failed (%d)\n", err); 5242 return err; 5243 } 5244 5245 ch.chspec = chanspec; 5246 cfg->d11inf.decchspec(&ch); 5247 5248 switch (ch.band) { 5249 case BRCMU_CHAN_BAND_2G: 5250 band = NL80211_BAND_2GHZ; 5251 break; 5252 case BRCMU_CHAN_BAND_5G: 5253 band = NL80211_BAND_5GHZ; 5254 break; 5255 } 5256 5257 switch (ch.bw) { 5258 case BRCMU_CHAN_BW_80: 5259 width = NL80211_CHAN_WIDTH_80; 5260 break; 5261 case BRCMU_CHAN_BW_40: 5262 width = NL80211_CHAN_WIDTH_40; 5263 break; 5264 case BRCMU_CHAN_BW_20: 5265 width = NL80211_CHAN_WIDTH_20; 5266 break; 5267 case BRCMU_CHAN_BW_80P80: 5268 width = NL80211_CHAN_WIDTH_80P80; 5269 break; 5270 case BRCMU_CHAN_BW_160: 5271 width = NL80211_CHAN_WIDTH_160; 5272 break; 5273 } 5274 5275 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band); 5276 chandef->chan = ieee80211_get_channel(wiphy, freq); 5277 chandef->width = width; 5278 chandef->center_freq1 = ieee80211_channel_to_frequency(ch.chnum, band); 5279 chandef->center_freq2 = 0; 5280 5281 return 0; 5282 } 5283 5284 static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, 5285 struct wireless_dev *wdev, 5286 enum nl80211_crit_proto_id proto, 5287 u16 duration) 5288 { 5289 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5290 struct brcmf_cfg80211_vif *vif; 5291 5292 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); 5293 5294 /* only DHCP support for now */ 5295 if (proto != NL80211_CRIT_PROTO_DHCP) 5296 return -EINVAL; 5297 5298 /* suppress and abort scanning */ 5299 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); 5300 brcmf_abort_scanning(cfg); 5301 5302 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); 5303 } 5304 5305 static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, 5306 struct wireless_dev *wdev) 5307 { 5308 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5309 struct brcmf_cfg80211_vif *vif; 5310 5311 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); 5312 5313 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); 5314 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); 5315 } 5316 5317 static s32 5318 brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, 5319 const struct brcmf_event_msg *e, void *data) 5320 { 5321 switch (e->reason) { 5322 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: 5323 brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); 5324 break; 5325 case BRCMF_E_REASON_TDLS_PEER_CONNECTED: 5326 brcmf_dbg(TRACE, "TDLS Peer Connected\n"); 5327 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); 5328 break; 5329 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: 5330 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); 5331 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); 5332 break; 5333 } 5334 5335 return 0; 5336 } 5337 5338 static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) 5339 { 5340 int ret; 5341 5342 switch (oper) { 5343 case NL80211_TDLS_DISCOVERY_REQ: 5344 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; 5345 break; 5346 case NL80211_TDLS_SETUP: 5347 ret = BRCMF_TDLS_MANUAL_EP_CREATE; 5348 break; 5349 case NL80211_TDLS_TEARDOWN: 5350 ret = BRCMF_TDLS_MANUAL_EP_DELETE; 5351 break; 5352 default: 5353 brcmf_err("unsupported operation: %d\n", oper); 5354 ret = -EOPNOTSUPP; 5355 } 5356 return ret; 5357 } 5358 5359 static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, 5360 struct net_device *ndev, const u8 *peer, 5361 enum nl80211_tdls_operation oper) 5362 { 5363 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5364 struct brcmf_pub *drvr = cfg->pub; 5365 struct brcmf_if *ifp; 5366 struct brcmf_tdls_iovar_le info; 5367 int ret = 0; 5368 5369 ret = brcmf_convert_nl80211_tdls_oper(oper); 5370 if (ret < 0) 5371 return ret; 5372 5373 ifp = netdev_priv(ndev); 5374 memset(&info, 0, sizeof(info)); 5375 info.mode = (u8)ret; 5376 if (peer) 5377 memcpy(info.ea, peer, ETH_ALEN); 5378 5379 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", 5380 &info, sizeof(info)); 5381 if (ret < 0) 5382 bphy_err(drvr, "tdls_endpoint iovar failed: ret=%d\n", ret); 5383 5384 return ret; 5385 } 5386 5387 static int 5388 brcmf_cfg80211_update_conn_params(struct wiphy *wiphy, 5389 struct net_device *ndev, 5390 struct cfg80211_connect_params *sme, 5391 u32 changed) 5392 { 5393 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5394 struct brcmf_pub *drvr = cfg->pub; 5395 struct brcmf_if *ifp; 5396 int err; 5397 5398 if (!(changed & UPDATE_ASSOC_IES)) 5399 return 0; 5400 5401 ifp = netdev_priv(ndev); 5402 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, 5403 sme->ie, sme->ie_len); 5404 if (err) 5405 bphy_err(drvr, "Set Assoc REQ IE Failed\n"); 5406 else 5407 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); 5408 5409 return err; 5410 } 5411 5412 #ifdef CONFIG_PM 5413 static int 5414 brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev, 5415 struct cfg80211_gtk_rekey_data *gtk) 5416 { 5417 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 5418 struct brcmf_pub *drvr = cfg->pub; 5419 struct brcmf_if *ifp = netdev_priv(ndev); 5420 struct brcmf_gtk_keyinfo_le gtk_le; 5421 int ret; 5422 5423 brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx); 5424 5425 memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck)); 5426 memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek)); 5427 memcpy(gtk_le.replay_counter, gtk->replay_ctr, 5428 sizeof(gtk_le.replay_counter)); 5429 5430 ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", >k_le, 5431 sizeof(gtk_le)); 5432 if (ret < 0) 5433 bphy_err(drvr, "gtk_key_info iovar failed: ret=%d\n", ret); 5434 5435 return ret; 5436 } 5437 #endif 5438 5439 static int brcmf_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev, 5440 const struct cfg80211_pmk_conf *conf) 5441 { 5442 struct brcmf_if *ifp; 5443 5444 brcmf_dbg(TRACE, "enter\n"); 5445 5446 /* expect using firmware supplicant for 1X */ 5447 ifp = netdev_priv(dev); 5448 if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X)) 5449 return -EINVAL; 5450 5451 if (conf->pmk_len > BRCMF_WSEC_MAX_PSK_LEN) 5452 return -ERANGE; 5453 5454 return brcmf_set_pmk(ifp, conf->pmk, conf->pmk_len); 5455 } 5456 5457 static int brcmf_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev, 5458 const u8 *aa) 5459 { 5460 struct brcmf_if *ifp; 5461 5462 brcmf_dbg(TRACE, "enter\n"); 5463 ifp = netdev_priv(dev); 5464 if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X)) 5465 return -EINVAL; 5466 5467 return brcmf_set_pmk(ifp, NULL, 0); 5468 } 5469 5470 static struct cfg80211_ops brcmf_cfg80211_ops = { 5471 .add_virtual_intf = brcmf_cfg80211_add_iface, 5472 .del_virtual_intf = brcmf_cfg80211_del_iface, 5473 .change_virtual_intf = brcmf_cfg80211_change_iface, 5474 .scan = brcmf_cfg80211_scan, 5475 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, 5476 .join_ibss = brcmf_cfg80211_join_ibss, 5477 .leave_ibss = brcmf_cfg80211_leave_ibss, 5478 .get_station = brcmf_cfg80211_get_station, 5479 .dump_station = brcmf_cfg80211_dump_station, 5480 .set_tx_power = brcmf_cfg80211_set_tx_power, 5481 .get_tx_power = brcmf_cfg80211_get_tx_power, 5482 .add_key = brcmf_cfg80211_add_key, 5483 .del_key = brcmf_cfg80211_del_key, 5484 .get_key = brcmf_cfg80211_get_key, 5485 .set_default_key = brcmf_cfg80211_config_default_key, 5486 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, 5487 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, 5488 .connect = brcmf_cfg80211_connect, 5489 .disconnect = brcmf_cfg80211_disconnect, 5490 .suspend = brcmf_cfg80211_suspend, 5491 .resume = brcmf_cfg80211_resume, 5492 .set_pmksa = brcmf_cfg80211_set_pmksa, 5493 .del_pmksa = brcmf_cfg80211_del_pmksa, 5494 .flush_pmksa = brcmf_cfg80211_flush_pmksa, 5495 .start_ap = brcmf_cfg80211_start_ap, 5496 .stop_ap = brcmf_cfg80211_stop_ap, 5497 .change_beacon = brcmf_cfg80211_change_beacon, 5498 .del_station = brcmf_cfg80211_del_station, 5499 .change_station = brcmf_cfg80211_change_station, 5500 .sched_scan_start = brcmf_cfg80211_sched_scan_start, 5501 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, 5502 .update_mgmt_frame_registrations = 5503 brcmf_cfg80211_update_mgmt_frame_registrations, 5504 .mgmt_tx = brcmf_cfg80211_mgmt_tx, 5505 .remain_on_channel = brcmf_p2p_remain_on_channel, 5506 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, 5507 .get_channel = brcmf_cfg80211_get_channel, 5508 .start_p2p_device = brcmf_p2p_start_device, 5509 .stop_p2p_device = brcmf_p2p_stop_device, 5510 .crit_proto_start = brcmf_cfg80211_crit_proto_start, 5511 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, 5512 .tdls_oper = brcmf_cfg80211_tdls_oper, 5513 .update_connect_params = brcmf_cfg80211_update_conn_params, 5514 .set_pmk = brcmf_cfg80211_set_pmk, 5515 .del_pmk = brcmf_cfg80211_del_pmk, 5516 }; 5517 5518 struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings) 5519 { 5520 struct cfg80211_ops *ops; 5521 5522 ops = kmemdup(&brcmf_cfg80211_ops, sizeof(brcmf_cfg80211_ops), 5523 GFP_KERNEL); 5524 5525 if (ops && settings->roamoff) 5526 ops->update_connect_params = NULL; 5527 5528 return ops; 5529 } 5530 5531 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, 5532 enum nl80211_iftype type) 5533 { 5534 struct brcmf_cfg80211_vif *vif_walk; 5535 struct brcmf_cfg80211_vif *vif; 5536 bool mbss; 5537 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0); 5538 5539 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", 5540 sizeof(*vif)); 5541 vif = kzalloc(sizeof(*vif), GFP_KERNEL); 5542 if (!vif) 5543 return ERR_PTR(-ENOMEM); 5544 5545 vif->wdev.wiphy = cfg->wiphy; 5546 vif->wdev.iftype = type; 5547 5548 brcmf_init_prof(&vif->profile); 5549 5550 if (type == NL80211_IFTYPE_AP && 5551 brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) { 5552 mbss = false; 5553 list_for_each_entry(vif_walk, &cfg->vif_list, list) { 5554 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) { 5555 mbss = true; 5556 break; 5557 } 5558 } 5559 vif->mbss = mbss; 5560 } 5561 5562 list_add_tail(&vif->list, &cfg->vif_list); 5563 return vif; 5564 } 5565 5566 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) 5567 { 5568 list_del(&vif->list); 5569 kfree(vif); 5570 } 5571 5572 void brcmf_cfg80211_free_netdev(struct net_device *ndev) 5573 { 5574 struct brcmf_cfg80211_vif *vif; 5575 struct brcmf_if *ifp; 5576 5577 ifp = netdev_priv(ndev); 5578 vif = ifp->vif; 5579 5580 if (vif) 5581 brcmf_free_vif(vif); 5582 } 5583 5584 static bool brcmf_is_linkup(struct brcmf_cfg80211_vif *vif, 5585 const struct brcmf_event_msg *e) 5586 { 5587 u32 event = e->event_code; 5588 u32 status = e->status; 5589 5590 if ((vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_PSK || 5591 vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_SAE) && 5592 event == BRCMF_E_PSK_SUP && 5593 status == BRCMF_E_STATUS_FWSUP_COMPLETED) 5594 set_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state); 5595 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { 5596 brcmf_dbg(CONN, "Processing set ssid\n"); 5597 memcpy(vif->profile.bssid, e->addr, ETH_ALEN); 5598 if (vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_PSK && 5599 vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_SAE) 5600 return true; 5601 5602 set_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state); 5603 } 5604 5605 if (test_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state) && 5606 test_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state)) { 5607 clear_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state); 5608 clear_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state); 5609 return true; 5610 } 5611 return false; 5612 } 5613 5614 static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) 5615 { 5616 u32 event = e->event_code; 5617 u16 flags = e->flags; 5618 5619 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || 5620 (event == BRCMF_E_DISASSOC_IND) || 5621 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { 5622 brcmf_dbg(CONN, "Processing link down\n"); 5623 return true; 5624 } 5625 return false; 5626 } 5627 5628 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, 5629 const struct brcmf_event_msg *e) 5630 { 5631 u32 event = e->event_code; 5632 u32 status = e->status; 5633 5634 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { 5635 brcmf_dbg(CONN, "Processing Link %s & no network found\n", 5636 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); 5637 return true; 5638 } 5639 5640 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { 5641 brcmf_dbg(CONN, "Processing connecting & no network found\n"); 5642 return true; 5643 } 5644 5645 if (event == BRCMF_E_PSK_SUP && 5646 status != BRCMF_E_STATUS_FWSUP_COMPLETED) { 5647 brcmf_dbg(CONN, "Processing failed supplicant state: %u\n", 5648 status); 5649 return true; 5650 } 5651 5652 return false; 5653 } 5654 5655 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) 5656 { 5657 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); 5658 5659 kfree(conn_info->req_ie); 5660 conn_info->req_ie = NULL; 5661 conn_info->req_ie_len = 0; 5662 kfree(conn_info->resp_ie); 5663 conn_info->resp_ie = NULL; 5664 conn_info->resp_ie_len = 0; 5665 } 5666 5667 u8 brcmf_map_prio_to_prec(void *config, u8 prio) 5668 { 5669 struct brcmf_cfg80211_info *cfg = (struct brcmf_cfg80211_info *)config; 5670 5671 if (!cfg) 5672 return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ? 5673 (prio ^ 2) : prio; 5674 5675 /* For those AC(s) with ACM flag set to 1, convert its 4-level priority 5676 * to an 8-level precedence which is the same as BE's 5677 */ 5678 if (prio > PRIO_8021D_EE && 5679 cfg->ac_priority[prio] == cfg->ac_priority[PRIO_8021D_BE]) 5680 return cfg->ac_priority[prio] * 2; 5681 5682 /* Conversion of 4-level priority to 8-level precedence */ 5683 if (prio == PRIO_8021D_BE || prio == PRIO_8021D_BK || 5684 prio == PRIO_8021D_CL || prio == PRIO_8021D_VO) 5685 return cfg->ac_priority[prio] * 2; 5686 else 5687 return cfg->ac_priority[prio] * 2 + 1; 5688 } 5689 5690 u8 brcmf_map_prio_to_aci(void *config, u8 prio) 5691 { 5692 /* Prio here refers to the 802.1d priority in range of 0 to 7. 5693 * ACI here refers to the WLAN AC Index in range of 0 to 3. 5694 * This function will return ACI corresponding to input prio. 5695 */ 5696 struct brcmf_cfg80211_info *cfg = (struct brcmf_cfg80211_info *)config; 5697 5698 if (cfg) 5699 return cfg->ac_priority[prio]; 5700 5701 return prio; 5702 } 5703 5704 static void brcmf_init_wmm_prio(u8 *priority) 5705 { 5706 /* Initialize AC priority array to default 5707 * 802.1d priority as per following table: 5708 * 802.1d prio 0,3 maps to BE 5709 * 802.1d prio 1,2 maps to BK 5710 * 802.1d prio 4,5 maps to VI 5711 * 802.1d prio 6,7 maps to VO 5712 */ 5713 priority[0] = BRCMF_FWS_FIFO_AC_BE; 5714 priority[3] = BRCMF_FWS_FIFO_AC_BE; 5715 priority[1] = BRCMF_FWS_FIFO_AC_BK; 5716 priority[2] = BRCMF_FWS_FIFO_AC_BK; 5717 priority[4] = BRCMF_FWS_FIFO_AC_VI; 5718 priority[5] = BRCMF_FWS_FIFO_AC_VI; 5719 priority[6] = BRCMF_FWS_FIFO_AC_VO; 5720 priority[7] = BRCMF_FWS_FIFO_AC_VO; 5721 } 5722 5723 static void brcmf_wifi_prioritize_acparams(const 5724 struct brcmf_cfg80211_edcf_acparam *acp, u8 *priority) 5725 { 5726 u8 aci; 5727 u8 aifsn; 5728 u8 ecwmin; 5729 u8 ecwmax; 5730 u8 acm; 5731 u8 ranking_basis[EDCF_AC_COUNT]; 5732 u8 aci_prio[EDCF_AC_COUNT]; /* AC_BE, AC_BK, AC_VI, AC_VO */ 5733 u8 index; 5734 5735 for (aci = 0; aci < EDCF_AC_COUNT; aci++, acp++) { 5736 aifsn = acp->ACI & EDCF_AIFSN_MASK; 5737 acm = (acp->ACI & EDCF_ACM_MASK) ? 1 : 0; 5738 ecwmin = acp->ECW & EDCF_ECWMIN_MASK; 5739 ecwmax = (acp->ECW & EDCF_ECWMAX_MASK) >> EDCF_ECWMAX_SHIFT; 5740 brcmf_dbg(CONN, "ACI %d aifsn %d acm %d ecwmin %d ecwmax %d\n", 5741 aci, aifsn, acm, ecwmin, ecwmax); 5742 /* Default AC_VO will be the lowest ranking value */ 5743 ranking_basis[aci] = aifsn + ecwmin + ecwmax; 5744 /* Initialise priority starting at 0 (AC_BE) */ 5745 aci_prio[aci] = 0; 5746 5747 /* If ACM is set, STA can't use this AC as per 802.11. 5748 * Change the ranking to BE 5749 */ 5750 if (aci != AC_BE && aci != AC_BK && acm == 1) 5751 ranking_basis[aci] = ranking_basis[AC_BE]; 5752 } 5753 5754 /* Ranking method which works for AC priority 5755 * swapping when values for cwmin, cwmax and aifsn are varied 5756 * Compare each aci_prio against each other aci_prio 5757 */ 5758 for (aci = 0; aci < EDCF_AC_COUNT; aci++) { 5759 for (index = 0; index < EDCF_AC_COUNT; index++) { 5760 if (index != aci) { 5761 /* Smaller ranking value has higher priority, 5762 * so increment priority for each ACI which has 5763 * a higher ranking value 5764 */ 5765 if (ranking_basis[aci] < ranking_basis[index]) 5766 aci_prio[aci]++; 5767 } 5768 } 5769 } 5770 5771 /* By now, aci_prio[] will be in range of 0 to 3. 5772 * Use ACI prio to get the new priority value for 5773 * each 802.1d traffic type, in this range. 5774 */ 5775 if (!(aci_prio[AC_BE] == aci_prio[AC_BK] && 5776 aci_prio[AC_BK] == aci_prio[AC_VI] && 5777 aci_prio[AC_VI] == aci_prio[AC_VO])) { 5778 /* 802.1d 0,3 maps to BE */ 5779 priority[0] = aci_prio[AC_BE]; 5780 priority[3] = aci_prio[AC_BE]; 5781 5782 /* 802.1d 1,2 maps to BK */ 5783 priority[1] = aci_prio[AC_BK]; 5784 priority[2] = aci_prio[AC_BK]; 5785 5786 /* 802.1d 4,5 maps to VO */ 5787 priority[4] = aci_prio[AC_VI]; 5788 priority[5] = aci_prio[AC_VI]; 5789 5790 /* 802.1d 6,7 maps to VO */ 5791 priority[6] = aci_prio[AC_VO]; 5792 priority[7] = aci_prio[AC_VO]; 5793 } else { 5794 /* Initialize to default priority */ 5795 brcmf_init_wmm_prio(priority); 5796 } 5797 5798 brcmf_dbg(CONN, "Adj prio BE 0->%d, BK 1->%d, BK 2->%d, BE 3->%d\n", 5799 priority[0], priority[1], priority[2], priority[3]); 5800 5801 brcmf_dbg(CONN, "Adj prio VI 4->%d, VI 5->%d, VO 6->%d, VO 7->%d\n", 5802 priority[4], priority[5], priority[6], priority[7]); 5803 } 5804 5805 static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, 5806 struct brcmf_if *ifp) 5807 { 5808 struct brcmf_pub *drvr = cfg->pub; 5809 struct brcmf_cfg80211_assoc_ielen_le *assoc_info; 5810 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); 5811 struct brcmf_cfg80211_edcf_acparam edcf_acparam_info[EDCF_AC_COUNT]; 5812 u32 req_len; 5813 u32 resp_len; 5814 s32 err = 0; 5815 5816 brcmf_clear_assoc_ies(cfg); 5817 5818 err = brcmf_fil_iovar_data_get(ifp, "assoc_info", 5819 cfg->extra_buf, WL_ASSOC_INFO_MAX); 5820 if (err) { 5821 bphy_err(drvr, "could not get assoc info (%d)\n", err); 5822 return err; 5823 } 5824 assoc_info = 5825 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; 5826 req_len = le32_to_cpu(assoc_info->req_len); 5827 resp_len = le32_to_cpu(assoc_info->resp_len); 5828 if (req_len) { 5829 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", 5830 cfg->extra_buf, 5831 WL_ASSOC_INFO_MAX); 5832 if (err) { 5833 bphy_err(drvr, "could not get assoc req (%d)\n", err); 5834 return err; 5835 } 5836 conn_info->req_ie_len = req_len; 5837 conn_info->req_ie = 5838 kmemdup(cfg->extra_buf, conn_info->req_ie_len, 5839 GFP_KERNEL); 5840 if (!conn_info->req_ie) 5841 conn_info->req_ie_len = 0; 5842 } else { 5843 conn_info->req_ie_len = 0; 5844 conn_info->req_ie = NULL; 5845 } 5846 if (resp_len) { 5847 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", 5848 cfg->extra_buf, 5849 WL_ASSOC_INFO_MAX); 5850 if (err) { 5851 bphy_err(drvr, "could not get assoc resp (%d)\n", err); 5852 return err; 5853 } 5854 conn_info->resp_ie_len = resp_len; 5855 conn_info->resp_ie = 5856 kmemdup(cfg->extra_buf, conn_info->resp_ie_len, 5857 GFP_KERNEL); 5858 if (!conn_info->resp_ie) 5859 conn_info->resp_ie_len = 0; 5860 5861 err = brcmf_fil_iovar_data_get(ifp, "wme_ac_sta", 5862 edcf_acparam_info, 5863 sizeof(edcf_acparam_info)); 5864 if (err) { 5865 brcmf_err("could not get wme_ac_sta (%d)\n", err); 5866 return err; 5867 } 5868 5869 brcmf_wifi_prioritize_acparams(edcf_acparam_info, 5870 cfg->ac_priority); 5871 } else { 5872 conn_info->resp_ie_len = 0; 5873 conn_info->resp_ie = NULL; 5874 } 5875 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", 5876 conn_info->req_ie_len, conn_info->resp_ie_len); 5877 5878 return err; 5879 } 5880 5881 static s32 5882 brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, 5883 struct net_device *ndev, 5884 const struct brcmf_event_msg *e) 5885 { 5886 struct brcmf_if *ifp = netdev_priv(ndev); 5887 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 5888 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); 5889 struct wiphy *wiphy = cfg_to_wiphy(cfg); 5890 struct ieee80211_channel *notify_channel = NULL; 5891 struct ieee80211_supported_band *band; 5892 struct brcmf_bss_info_le *bi; 5893 struct brcmu_chan ch; 5894 struct cfg80211_roam_info roam_info = {}; 5895 u32 freq; 5896 s32 err = 0; 5897 u8 *buf; 5898 5899 brcmf_dbg(TRACE, "Enter\n"); 5900 5901 brcmf_get_assoc_ies(cfg, ifp); 5902 memcpy(profile->bssid, e->addr, ETH_ALEN); 5903 brcmf_update_bss_info(cfg, ifp); 5904 5905 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); 5906 if (buf == NULL) { 5907 err = -ENOMEM; 5908 goto done; 5909 } 5910 5911 /* data sent to dongle has to be little endian */ 5912 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); 5913 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, 5914 buf, WL_BSS_INFO_MAX); 5915 5916 if (err) 5917 goto done; 5918 5919 bi = (struct brcmf_bss_info_le *)(buf + 4); 5920 ch.chspec = le16_to_cpu(bi->chanspec); 5921 cfg->d11inf.decchspec(&ch); 5922 5923 if (ch.band == BRCMU_CHAN_BAND_2G) 5924 band = wiphy->bands[NL80211_BAND_2GHZ]; 5925 else 5926 band = wiphy->bands[NL80211_BAND_5GHZ]; 5927 5928 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band); 5929 notify_channel = ieee80211_get_channel(wiphy, freq); 5930 5931 done: 5932 kfree(buf); 5933 5934 roam_info.channel = notify_channel; 5935 roam_info.bssid = profile->bssid; 5936 roam_info.req_ie = conn_info->req_ie; 5937 roam_info.req_ie_len = conn_info->req_ie_len; 5938 roam_info.resp_ie = conn_info->resp_ie; 5939 roam_info.resp_ie_len = conn_info->resp_ie_len; 5940 5941 cfg80211_roamed(ndev, &roam_info, GFP_KERNEL); 5942 brcmf_dbg(CONN, "Report roaming result\n"); 5943 5944 if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_1X && profile->is_ft) { 5945 cfg80211_port_authorized(ndev, profile->bssid, GFP_KERNEL); 5946 brcmf_dbg(CONN, "Report port authorized\n"); 5947 } 5948 5949 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); 5950 brcmf_dbg(TRACE, "Exit\n"); 5951 return err; 5952 } 5953 5954 static s32 5955 brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, 5956 struct net_device *ndev, const struct brcmf_event_msg *e, 5957 bool completed) 5958 { 5959 struct brcmf_if *ifp = netdev_priv(ndev); 5960 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 5961 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); 5962 struct cfg80211_connect_resp_params conn_params; 5963 5964 brcmf_dbg(TRACE, "Enter\n"); 5965 5966 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, 5967 &ifp->vif->sme_state)) { 5968 memset(&conn_params, 0, sizeof(conn_params)); 5969 if (completed) { 5970 brcmf_get_assoc_ies(cfg, ifp); 5971 brcmf_update_bss_info(cfg, ifp); 5972 set_bit(BRCMF_VIF_STATUS_CONNECTED, 5973 &ifp->vif->sme_state); 5974 conn_params.status = WLAN_STATUS_SUCCESS; 5975 } else { 5976 conn_params.status = WLAN_STATUS_AUTH_TIMEOUT; 5977 } 5978 conn_params.bssid = profile->bssid; 5979 conn_params.req_ie = conn_info->req_ie; 5980 conn_params.req_ie_len = conn_info->req_ie_len; 5981 conn_params.resp_ie = conn_info->resp_ie; 5982 conn_params.resp_ie_len = conn_info->resp_ie_len; 5983 cfg80211_connect_done(ndev, &conn_params, GFP_KERNEL); 5984 brcmf_dbg(CONN, "Report connect result - connection %s\n", 5985 completed ? "succeeded" : "failed"); 5986 } 5987 brcmf_dbg(TRACE, "Exit\n"); 5988 return 0; 5989 } 5990 5991 static s32 5992 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, 5993 struct net_device *ndev, 5994 const struct brcmf_event_msg *e, void *data) 5995 { 5996 struct brcmf_pub *drvr = cfg->pub; 5997 static int generation; 5998 u32 event = e->event_code; 5999 u32 reason = e->reason; 6000 struct station_info *sinfo; 6001 6002 brcmf_dbg(CONN, "event %s (%u), reason %d\n", 6003 brcmf_fweh_event_name(event), event, reason); 6004 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && 6005 ndev != cfg_to_ndev(cfg)) { 6006 brcmf_dbg(CONN, "AP mode link down\n"); 6007 complete(&cfg->vif_disabled); 6008 return 0; 6009 } 6010 6011 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && 6012 (reason == BRCMF_E_STATUS_SUCCESS)) { 6013 if (!data) { 6014 bphy_err(drvr, "No IEs present in ASSOC/REASSOC_IND\n"); 6015 return -EINVAL; 6016 } 6017 6018 sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL); 6019 if (!sinfo) 6020 return -ENOMEM; 6021 6022 sinfo->assoc_req_ies = data; 6023 sinfo->assoc_req_ies_len = e->datalen; 6024 generation++; 6025 sinfo->generation = generation; 6026 cfg80211_new_sta(ndev, e->addr, sinfo, GFP_KERNEL); 6027 6028 kfree(sinfo); 6029 } else if ((event == BRCMF_E_DISASSOC_IND) || 6030 (event == BRCMF_E_DEAUTH_IND) || 6031 (event == BRCMF_E_DEAUTH)) { 6032 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); 6033 } 6034 return 0; 6035 } 6036 6037 static s32 6038 brcmf_notify_connect_status(struct brcmf_if *ifp, 6039 const struct brcmf_event_msg *e, void *data) 6040 { 6041 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 6042 struct net_device *ndev = ifp->ndev; 6043 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; 6044 struct ieee80211_channel *chan; 6045 s32 err = 0; 6046 6047 if ((e->event_code == BRCMF_E_DEAUTH) || 6048 (e->event_code == BRCMF_E_DEAUTH_IND) || 6049 (e->event_code == BRCMF_E_DISASSOC_IND) || 6050 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { 6051 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); 6052 } 6053 6054 if (brcmf_is_apmode(ifp->vif)) { 6055 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); 6056 } else if (brcmf_is_linkup(ifp->vif, e)) { 6057 brcmf_dbg(CONN, "Linkup\n"); 6058 if (brcmf_is_ibssmode(ifp->vif)) { 6059 brcmf_inform_ibss(cfg, ndev, e->addr); 6060 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); 6061 memcpy(profile->bssid, e->addr, ETH_ALEN); 6062 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); 6063 clear_bit(BRCMF_VIF_STATUS_CONNECTING, 6064 &ifp->vif->sme_state); 6065 set_bit(BRCMF_VIF_STATUS_CONNECTED, 6066 &ifp->vif->sme_state); 6067 } else 6068 brcmf_bss_connect_done(cfg, ndev, e, true); 6069 brcmf_net_setcarrier(ifp, true); 6070 } else if (brcmf_is_linkdown(e)) { 6071 brcmf_dbg(CONN, "Linkdown\n"); 6072 if (!brcmf_is_ibssmode(ifp->vif) && 6073 test_bit(BRCMF_VIF_STATUS_CONNECTED, 6074 &ifp->vif->sme_state)) { 6075 if (memcmp(profile->bssid, e->addr, ETH_ALEN)) 6076 return err; 6077 6078 brcmf_bss_connect_done(cfg, ndev, e, false); 6079 brcmf_link_down(ifp->vif, 6080 brcmf_map_fw_linkdown_reason(e), 6081 e->event_code & 6082 (BRCMF_E_DEAUTH_IND | 6083 BRCMF_E_DISASSOC_IND) 6084 ? false : true); 6085 brcmf_init_prof(ndev_to_prof(ndev)); 6086 if (ndev != cfg_to_ndev(cfg)) 6087 complete(&cfg->vif_disabled); 6088 brcmf_net_setcarrier(ifp, false); 6089 } 6090 } else if (brcmf_is_nonetwork(cfg, e)) { 6091 if (brcmf_is_ibssmode(ifp->vif)) 6092 clear_bit(BRCMF_VIF_STATUS_CONNECTING, 6093 &ifp->vif->sme_state); 6094 else 6095 brcmf_bss_connect_done(cfg, ndev, e, false); 6096 } 6097 6098 return err; 6099 } 6100 6101 static s32 6102 brcmf_notify_roaming_status(struct brcmf_if *ifp, 6103 const struct brcmf_event_msg *e, void *data) 6104 { 6105 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 6106 u32 event = e->event_code; 6107 u32 status = e->status; 6108 6109 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { 6110 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, 6111 &ifp->vif->sme_state)) { 6112 brcmf_bss_roaming_done(cfg, ifp->ndev, e); 6113 } else { 6114 brcmf_bss_connect_done(cfg, ifp->ndev, e, true); 6115 brcmf_net_setcarrier(ifp, true); 6116 } 6117 } 6118 6119 return 0; 6120 } 6121 6122 static s32 6123 brcmf_notify_mic_status(struct brcmf_if *ifp, 6124 const struct brcmf_event_msg *e, void *data) 6125 { 6126 u16 flags = e->flags; 6127 enum nl80211_key_type key_type; 6128 6129 if (flags & BRCMF_EVENT_MSG_GROUP) 6130 key_type = NL80211_KEYTYPE_GROUP; 6131 else 6132 key_type = NL80211_KEYTYPE_PAIRWISE; 6133 6134 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, 6135 NULL, GFP_KERNEL); 6136 6137 return 0; 6138 } 6139 6140 static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, 6141 const struct brcmf_event_msg *e, void *data) 6142 { 6143 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 6144 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; 6145 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; 6146 struct brcmf_cfg80211_vif *vif; 6147 6148 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n", 6149 ifevent->action, ifevent->flags, ifevent->ifidx, 6150 ifevent->bsscfgidx); 6151 6152 spin_lock(&event->vif_event_lock); 6153 event->action = ifevent->action; 6154 vif = event->vif; 6155 6156 switch (ifevent->action) { 6157 case BRCMF_E_IF_ADD: 6158 /* waiting process may have timed out */ 6159 if (!cfg->vif_event.vif) { 6160 spin_unlock(&event->vif_event_lock); 6161 return -EBADF; 6162 } 6163 6164 ifp->vif = vif; 6165 vif->ifp = ifp; 6166 if (ifp->ndev) { 6167 vif->wdev.netdev = ifp->ndev; 6168 ifp->ndev->ieee80211_ptr = &vif->wdev; 6169 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); 6170 } 6171 spin_unlock(&event->vif_event_lock); 6172 wake_up(&event->vif_wq); 6173 return 0; 6174 6175 case BRCMF_E_IF_DEL: 6176 spin_unlock(&event->vif_event_lock); 6177 /* event may not be upon user request */ 6178 if (brcmf_cfg80211_vif_event_armed(cfg)) 6179 wake_up(&event->vif_wq); 6180 return 0; 6181 6182 case BRCMF_E_IF_CHANGE: 6183 spin_unlock(&event->vif_event_lock); 6184 wake_up(&event->vif_wq); 6185 return 0; 6186 6187 default: 6188 spin_unlock(&event->vif_event_lock); 6189 break; 6190 } 6191 return -EINVAL; 6192 } 6193 6194 static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) 6195 { 6196 conf->frag_threshold = (u32)-1; 6197 conf->rts_threshold = (u32)-1; 6198 conf->retry_short = (u32)-1; 6199 conf->retry_long = (u32)-1; 6200 } 6201 6202 static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) 6203 { 6204 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, 6205 brcmf_notify_connect_status); 6206 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, 6207 brcmf_notify_connect_status); 6208 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, 6209 brcmf_notify_connect_status); 6210 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, 6211 brcmf_notify_connect_status); 6212 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, 6213 brcmf_notify_connect_status); 6214 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, 6215 brcmf_notify_connect_status); 6216 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, 6217 brcmf_notify_roaming_status); 6218 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, 6219 brcmf_notify_mic_status); 6220 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, 6221 brcmf_notify_connect_status); 6222 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, 6223 brcmf_notify_sched_scan_results); 6224 brcmf_fweh_register(cfg->pub, BRCMF_E_IF, 6225 brcmf_notify_vif_event); 6226 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, 6227 brcmf_p2p_notify_rx_mgmt_p2p_probereq); 6228 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, 6229 brcmf_p2p_notify_listen_complete); 6230 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, 6231 brcmf_p2p_notify_action_frame_rx); 6232 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, 6233 brcmf_p2p_notify_action_tx_complete); 6234 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, 6235 brcmf_p2p_notify_action_tx_complete); 6236 brcmf_fweh_register(cfg->pub, BRCMF_E_PSK_SUP, 6237 brcmf_notify_connect_status); 6238 } 6239 6240 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) 6241 { 6242 kfree(cfg->conf); 6243 cfg->conf = NULL; 6244 kfree(cfg->extra_buf); 6245 cfg->extra_buf = NULL; 6246 kfree(cfg->wowl.nd); 6247 cfg->wowl.nd = NULL; 6248 kfree(cfg->wowl.nd_info); 6249 cfg->wowl.nd_info = NULL; 6250 kfree(cfg->escan_info.escan_buf); 6251 cfg->escan_info.escan_buf = NULL; 6252 } 6253 6254 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) 6255 { 6256 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); 6257 if (!cfg->conf) 6258 goto init_priv_mem_out; 6259 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); 6260 if (!cfg->extra_buf) 6261 goto init_priv_mem_out; 6262 cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL); 6263 if (!cfg->wowl.nd) 6264 goto init_priv_mem_out; 6265 cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) + 6266 sizeof(struct cfg80211_wowlan_nd_match *), 6267 GFP_KERNEL); 6268 if (!cfg->wowl.nd_info) 6269 goto init_priv_mem_out; 6270 cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL); 6271 if (!cfg->escan_info.escan_buf) 6272 goto init_priv_mem_out; 6273 6274 return 0; 6275 6276 init_priv_mem_out: 6277 brcmf_deinit_priv_mem(cfg); 6278 6279 return -ENOMEM; 6280 } 6281 6282 static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) 6283 { 6284 s32 err = 0; 6285 6286 cfg->scan_request = NULL; 6287 cfg->pwr_save = true; 6288 cfg->dongle_up = false; /* dongle is not up yet */ 6289 err = brcmf_init_priv_mem(cfg); 6290 if (err) 6291 return err; 6292 brcmf_register_event_handlers(cfg); 6293 mutex_init(&cfg->usr_sync); 6294 brcmf_init_escan(cfg); 6295 brcmf_init_conf(cfg->conf); 6296 brcmf_init_wmm_prio(cfg->ac_priority); 6297 init_completion(&cfg->vif_disabled); 6298 return err; 6299 } 6300 6301 static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) 6302 { 6303 cfg->dongle_up = false; /* dongle down */ 6304 brcmf_abort_scanning(cfg); 6305 brcmf_deinit_priv_mem(cfg); 6306 } 6307 6308 static void init_vif_event(struct brcmf_cfg80211_vif_event *event) 6309 { 6310 init_waitqueue_head(&event->vif_wq); 6311 spin_lock_init(&event->vif_event_lock); 6312 } 6313 6314 static s32 brcmf_dongle_roam(struct brcmf_if *ifp) 6315 { 6316 struct brcmf_pub *drvr = ifp->drvr; 6317 s32 err; 6318 u32 bcn_timeout; 6319 __le32 roamtrigger[2]; 6320 __le32 roam_delta[2]; 6321 6322 /* Configure beacon timeout value based upon roaming setting */ 6323 if (ifp->drvr->settings->roamoff) 6324 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF; 6325 else 6326 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON; 6327 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); 6328 if (err) { 6329 bphy_err(drvr, "bcn_timeout error (%d)\n", err); 6330 goto roam_setup_done; 6331 } 6332 6333 /* Enable/Disable built-in roaming to allow supplicant to take care of 6334 * roaming. 6335 */ 6336 brcmf_dbg(INFO, "Internal Roaming = %s\n", 6337 ifp->drvr->settings->roamoff ? "Off" : "On"); 6338 err = brcmf_fil_iovar_int_set(ifp, "roam_off", 6339 ifp->drvr->settings->roamoff); 6340 if (err) { 6341 bphy_err(drvr, "roam_off error (%d)\n", err); 6342 goto roam_setup_done; 6343 } 6344 6345 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); 6346 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); 6347 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, 6348 (void *)roamtrigger, sizeof(roamtrigger)); 6349 if (err) 6350 bphy_err(drvr, "WLC_SET_ROAM_TRIGGER error (%d)\n", err); 6351 6352 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); 6353 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); 6354 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, 6355 (void *)roam_delta, sizeof(roam_delta)); 6356 if (err) 6357 bphy_err(drvr, "WLC_SET_ROAM_DELTA error (%d)\n", err); 6358 6359 return 0; 6360 6361 roam_setup_done: 6362 return err; 6363 } 6364 6365 static s32 6366 brcmf_dongle_scantime(struct brcmf_if *ifp) 6367 { 6368 struct brcmf_pub *drvr = ifp->drvr; 6369 s32 err = 0; 6370 6371 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, 6372 BRCMF_SCAN_CHANNEL_TIME); 6373 if (err) { 6374 bphy_err(drvr, "Scan assoc time error (%d)\n", err); 6375 goto dongle_scantime_out; 6376 } 6377 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, 6378 BRCMF_SCAN_UNASSOC_TIME); 6379 if (err) { 6380 bphy_err(drvr, "Scan unassoc time error (%d)\n", err); 6381 goto dongle_scantime_out; 6382 } 6383 6384 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, 6385 BRCMF_SCAN_PASSIVE_TIME); 6386 if (err) { 6387 bphy_err(drvr, "Scan passive time error (%d)\n", err); 6388 goto dongle_scantime_out; 6389 } 6390 6391 dongle_scantime_out: 6392 return err; 6393 } 6394 6395 static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, 6396 struct brcmu_chan *ch) 6397 { 6398 u32 ht40_flag; 6399 6400 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; 6401 if (ch->sb == BRCMU_CHAN_SB_U) { 6402 if (ht40_flag == IEEE80211_CHAN_NO_HT40) 6403 channel->flags &= ~IEEE80211_CHAN_NO_HT40; 6404 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; 6405 } else { 6406 /* It should be one of 6407 * IEEE80211_CHAN_NO_HT40 or 6408 * IEEE80211_CHAN_NO_HT40PLUS 6409 */ 6410 channel->flags &= ~IEEE80211_CHAN_NO_HT40; 6411 if (ht40_flag == IEEE80211_CHAN_NO_HT40) 6412 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; 6413 } 6414 } 6415 6416 static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, 6417 u32 bw_cap[]) 6418 { 6419 struct wiphy *wiphy = cfg_to_wiphy(cfg); 6420 struct brcmf_pub *drvr = cfg->pub; 6421 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); 6422 struct ieee80211_supported_band *band; 6423 struct ieee80211_channel *channel; 6424 struct brcmf_chanspec_list *list; 6425 struct brcmu_chan ch; 6426 int err; 6427 u8 *pbuf; 6428 u32 i, j; 6429 u32 total; 6430 u32 chaninfo; 6431 6432 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); 6433 6434 if (pbuf == NULL) 6435 return -ENOMEM; 6436 6437 list = (struct brcmf_chanspec_list *)pbuf; 6438 6439 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, 6440 BRCMF_DCMD_MEDLEN); 6441 if (err) { 6442 bphy_err(drvr, "get chanspecs error (%d)\n", err); 6443 goto fail_pbuf; 6444 } 6445 6446 band = wiphy->bands[NL80211_BAND_2GHZ]; 6447 if (band) 6448 for (i = 0; i < band->n_channels; i++) 6449 band->channels[i].flags = IEEE80211_CHAN_DISABLED; 6450 band = wiphy->bands[NL80211_BAND_5GHZ]; 6451 if (band) 6452 for (i = 0; i < band->n_channels; i++) 6453 band->channels[i].flags = IEEE80211_CHAN_DISABLED; 6454 6455 total = le32_to_cpu(list->count); 6456 for (i = 0; i < total; i++) { 6457 ch.chspec = (u16)le32_to_cpu(list->element[i]); 6458 cfg->d11inf.decchspec(&ch); 6459 6460 if (ch.band == BRCMU_CHAN_BAND_2G) { 6461 band = wiphy->bands[NL80211_BAND_2GHZ]; 6462 } else if (ch.band == BRCMU_CHAN_BAND_5G) { 6463 band = wiphy->bands[NL80211_BAND_5GHZ]; 6464 } else { 6465 bphy_err(drvr, "Invalid channel Spec. 0x%x.\n", 6466 ch.chspec); 6467 continue; 6468 } 6469 if (!band) 6470 continue; 6471 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && 6472 ch.bw == BRCMU_CHAN_BW_40) 6473 continue; 6474 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && 6475 ch.bw == BRCMU_CHAN_BW_80) 6476 continue; 6477 6478 channel = NULL; 6479 for (j = 0; j < band->n_channels; j++) { 6480 if (band->channels[j].hw_value == ch.control_ch_num) { 6481 channel = &band->channels[j]; 6482 break; 6483 } 6484 } 6485 if (!channel) { 6486 /* It seems firmware supports some channel we never 6487 * considered. Something new in IEEE standard? 6488 */ 6489 bphy_err(drvr, "Ignoring unexpected firmware channel %d\n", 6490 ch.control_ch_num); 6491 continue; 6492 } 6493 6494 if (channel->orig_flags & IEEE80211_CHAN_DISABLED) 6495 continue; 6496 6497 /* assuming the chanspecs order is HT20, 6498 * HT40 upper, HT40 lower, and VHT80. 6499 */ 6500 switch (ch.bw) { 6501 case BRCMU_CHAN_BW_160: 6502 channel->flags &= ~IEEE80211_CHAN_NO_160MHZ; 6503 break; 6504 case BRCMU_CHAN_BW_80: 6505 channel->flags &= ~IEEE80211_CHAN_NO_80MHZ; 6506 break; 6507 case BRCMU_CHAN_BW_40: 6508 brcmf_update_bw40_channel_flag(channel, &ch); 6509 break; 6510 default: 6511 wiphy_warn(wiphy, "Firmware reported unsupported bandwidth %d\n", 6512 ch.bw); 6513 fallthrough; 6514 case BRCMU_CHAN_BW_20: 6515 /* enable the channel and disable other bandwidths 6516 * for now as mentioned order assure they are enabled 6517 * for subsequent chanspecs. 6518 */ 6519 channel->flags = IEEE80211_CHAN_NO_HT40 | 6520 IEEE80211_CHAN_NO_80MHZ | 6521 IEEE80211_CHAN_NO_160MHZ; 6522 ch.bw = BRCMU_CHAN_BW_20; 6523 cfg->d11inf.encchspec(&ch); 6524 chaninfo = ch.chspec; 6525 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", 6526 &chaninfo); 6527 if (!err) { 6528 if (chaninfo & WL_CHAN_RADAR) 6529 channel->flags |= 6530 (IEEE80211_CHAN_RADAR | 6531 IEEE80211_CHAN_NO_IR); 6532 if (chaninfo & WL_CHAN_PASSIVE) 6533 channel->flags |= 6534 IEEE80211_CHAN_NO_IR; 6535 } 6536 } 6537 } 6538 6539 fail_pbuf: 6540 kfree(pbuf); 6541 return err; 6542 } 6543 6544 static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) 6545 { 6546 struct brcmf_pub *drvr = cfg->pub; 6547 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); 6548 struct ieee80211_supported_band *band; 6549 struct brcmf_fil_bwcap_le band_bwcap; 6550 struct brcmf_chanspec_list *list; 6551 u8 *pbuf; 6552 u32 val; 6553 int err; 6554 struct brcmu_chan ch; 6555 u32 num_chan; 6556 int i, j; 6557 6558 /* verify support for bw_cap command */ 6559 val = WLC_BAND_5G; 6560 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); 6561 6562 if (!err) { 6563 /* only set 2G bandwidth using bw_cap command */ 6564 band_bwcap.band = cpu_to_le32(WLC_BAND_2G); 6565 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); 6566 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, 6567 sizeof(band_bwcap)); 6568 } else { 6569 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); 6570 val = WLC_N_BW_40ALL; 6571 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); 6572 } 6573 6574 if (!err) { 6575 /* update channel info in 2G band */ 6576 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); 6577 6578 if (pbuf == NULL) 6579 return -ENOMEM; 6580 6581 ch.band = BRCMU_CHAN_BAND_2G; 6582 ch.bw = BRCMU_CHAN_BW_40; 6583 ch.sb = BRCMU_CHAN_SB_NONE; 6584 ch.chnum = 0; 6585 cfg->d11inf.encchspec(&ch); 6586 6587 /* pass encoded chanspec in query */ 6588 *(__le16 *)pbuf = cpu_to_le16(ch.chspec); 6589 6590 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, 6591 BRCMF_DCMD_MEDLEN); 6592 if (err) { 6593 bphy_err(drvr, "get chanspecs error (%d)\n", err); 6594 kfree(pbuf); 6595 return err; 6596 } 6597 6598 band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ]; 6599 list = (struct brcmf_chanspec_list *)pbuf; 6600 num_chan = le32_to_cpu(list->count); 6601 for (i = 0; i < num_chan; i++) { 6602 ch.chspec = (u16)le32_to_cpu(list->element[i]); 6603 cfg->d11inf.decchspec(&ch); 6604 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) 6605 continue; 6606 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) 6607 continue; 6608 for (j = 0; j < band->n_channels; j++) { 6609 if (band->channels[j].hw_value == ch.control_ch_num) 6610 break; 6611 } 6612 if (WARN_ON(j == band->n_channels)) 6613 continue; 6614 6615 brcmf_update_bw40_channel_flag(&band->channels[j], &ch); 6616 } 6617 kfree(pbuf); 6618 } 6619 return err; 6620 } 6621 6622 static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) 6623 { 6624 struct brcmf_pub *drvr = ifp->drvr; 6625 u32 band, mimo_bwcap; 6626 int err; 6627 6628 band = WLC_BAND_2G; 6629 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); 6630 if (!err) { 6631 bw_cap[NL80211_BAND_2GHZ] = band; 6632 band = WLC_BAND_5G; 6633 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); 6634 if (!err) { 6635 bw_cap[NL80211_BAND_5GHZ] = band; 6636 return; 6637 } 6638 WARN_ON(1); 6639 return; 6640 } 6641 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); 6642 mimo_bwcap = 0; 6643 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); 6644 if (err) 6645 /* assume 20MHz if firmware does not give a clue */ 6646 mimo_bwcap = WLC_N_BW_20ALL; 6647 6648 switch (mimo_bwcap) { 6649 case WLC_N_BW_40ALL: 6650 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; 6651 fallthrough; 6652 case WLC_N_BW_20IN2G_40IN5G: 6653 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; 6654 fallthrough; 6655 case WLC_N_BW_20ALL: 6656 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; 6657 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; 6658 break; 6659 default: 6660 bphy_err(drvr, "invalid mimo_bw_cap value\n"); 6661 } 6662 } 6663 6664 static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, 6665 u32 bw_cap[2], u32 nchain) 6666 { 6667 band->ht_cap.ht_supported = true; 6668 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { 6669 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 6670 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 6671 } 6672 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 6673 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; 6674 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 6675 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 6676 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); 6677 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 6678 } 6679 6680 static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) 6681 { 6682 u16 mcs_map; 6683 int i; 6684 6685 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) 6686 mcs_map = (mcs_map << 2) | supp; 6687 6688 return cpu_to_le16(mcs_map); 6689 } 6690 6691 static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, 6692 u32 bw_cap[2], u32 nchain, u32 txstreams, 6693 u32 txbf_bfe_cap, u32 txbf_bfr_cap) 6694 { 6695 __le16 mcs_map; 6696 6697 /* not allowed in 2.4G band */ 6698 if (band->band == NL80211_BAND_2GHZ) 6699 return; 6700 6701 band->vht_cap.vht_supported = true; 6702 /* 80MHz is mandatory */ 6703 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; 6704 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { 6705 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; 6706 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; 6707 } 6708 /* all support 256-QAM */ 6709 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); 6710 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; 6711 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; 6712 6713 /* Beamforming support information */ 6714 if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP) 6715 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; 6716 if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP) 6717 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; 6718 if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP) 6719 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 6720 if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP) 6721 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE; 6722 6723 if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) { 6724 band->vht_cap.cap |= 6725 (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 6726 band->vht_cap.cap |= ((txstreams - 1) << 6727 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); 6728 band->vht_cap.cap |= 6729 IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB; 6730 } 6731 } 6732 6733 static int brcmf_setup_wiphybands(struct brcmf_cfg80211_info *cfg) 6734 { 6735 struct brcmf_pub *drvr = cfg->pub; 6736 struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); 6737 struct wiphy *wiphy = cfg_to_wiphy(cfg); 6738 u32 nmode = 0; 6739 u32 vhtmode = 0; 6740 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; 6741 u32 rxchain; 6742 u32 nchain; 6743 int err; 6744 s32 i; 6745 struct ieee80211_supported_band *band; 6746 u32 txstreams = 0; 6747 u32 txbf_bfe_cap = 0; 6748 u32 txbf_bfr_cap = 0; 6749 6750 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); 6751 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); 6752 if (err) { 6753 bphy_err(drvr, "nmode error (%d)\n", err); 6754 } else { 6755 brcmf_get_bwcap(ifp, bw_cap); 6756 } 6757 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", 6758 nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ], 6759 bw_cap[NL80211_BAND_5GHZ]); 6760 6761 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); 6762 if (err) { 6763 bphy_err(drvr, "rxchain error (%d)\n", err); 6764 nchain = 1; 6765 } else { 6766 for (nchain = 0; rxchain; nchain++) 6767 rxchain = rxchain & (rxchain - 1); 6768 } 6769 brcmf_dbg(INFO, "nchain=%d\n", nchain); 6770 6771 err = brcmf_construct_chaninfo(cfg, bw_cap); 6772 if (err) { 6773 bphy_err(drvr, "brcmf_construct_chaninfo failed (%d)\n", err); 6774 return err; 6775 } 6776 6777 if (vhtmode) { 6778 (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams); 6779 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap", 6780 &txbf_bfe_cap); 6781 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap", 6782 &txbf_bfr_cap); 6783 } 6784 6785 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { 6786 band = wiphy->bands[i]; 6787 if (band == NULL) 6788 continue; 6789 6790 if (nmode) 6791 brcmf_update_ht_cap(band, bw_cap, nchain); 6792 if (vhtmode) 6793 brcmf_update_vht_cap(band, bw_cap, nchain, txstreams, 6794 txbf_bfe_cap, txbf_bfr_cap); 6795 } 6796 6797 return 0; 6798 } 6799 6800 static const struct ieee80211_txrx_stypes 6801 brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { 6802 [NL80211_IFTYPE_STATION] = { 6803 .tx = 0xffff, 6804 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 6805 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 6806 }, 6807 [NL80211_IFTYPE_P2P_CLIENT] = { 6808 .tx = 0xffff, 6809 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 6810 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 6811 }, 6812 [NL80211_IFTYPE_P2P_GO] = { 6813 .tx = 0xffff, 6814 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 6815 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 6816 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 6817 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 6818 BIT(IEEE80211_STYPE_AUTH >> 4) | 6819 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 6820 BIT(IEEE80211_STYPE_ACTION >> 4) 6821 }, 6822 [NL80211_IFTYPE_P2P_DEVICE] = { 6823 .tx = 0xffff, 6824 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 6825 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 6826 }, 6827 [NL80211_IFTYPE_AP] = { 6828 .tx = 0xffff, 6829 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 6830 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 6831 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 6832 BIT(IEEE80211_STYPE_DISASSOC >> 4) | 6833 BIT(IEEE80211_STYPE_AUTH >> 4) | 6834 BIT(IEEE80211_STYPE_DEAUTH >> 4) | 6835 BIT(IEEE80211_STYPE_ACTION >> 4) 6836 } 6837 }; 6838 6839 /** 6840 * brcmf_setup_ifmodes() - determine interface modes and combinations. 6841 * 6842 * @wiphy: wiphy object. 6843 * @ifp: interface object needed for feat module api. 6844 * 6845 * The interface modes and combinations are determined dynamically here 6846 * based on firmware functionality. 6847 * 6848 * no p2p and no mbss: 6849 * 6850 * #STA <= 1, #AP <= 1, channels = 1, 2 total 6851 * 6852 * no p2p and mbss: 6853 * 6854 * #STA <= 1, #AP <= 1, channels = 1, 2 total 6855 * #AP <= 4, matching BI, channels = 1, 4 total 6856 * 6857 * no p2p and rsdb: 6858 * #STA <= 1, #AP <= 2, channels = 2, 4 total 6859 * 6860 * p2p, no mchan, and mbss: 6861 * 6862 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total 6863 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total 6864 * #AP <= 4, matching BI, channels = 1, 4 total 6865 * 6866 * p2p, mchan, and mbss: 6867 * 6868 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total 6869 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total 6870 * #AP <= 4, matching BI, channels = 1, 4 total 6871 * 6872 * p2p, rsdb, and no mbss: 6873 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 2, AP <= 2, 6874 * channels = 2, 4 total 6875 */ 6876 static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) 6877 { 6878 struct ieee80211_iface_combination *combo = NULL; 6879 struct ieee80211_iface_limit *c0_limits = NULL; 6880 struct ieee80211_iface_limit *p2p_limits = NULL; 6881 struct ieee80211_iface_limit *mbss_limits = NULL; 6882 bool mon_flag, mbss, p2p, rsdb, mchan; 6883 int i, c, n_combos, n_limits; 6884 6885 mon_flag = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MONITOR_FLAG); 6886 mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS); 6887 p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P); 6888 rsdb = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB); 6889 mchan = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN); 6890 6891 n_combos = 1 + !!(p2p && !rsdb) + !!mbss; 6892 combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL); 6893 if (!combo) 6894 goto err; 6895 6896 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 6897 BIT(NL80211_IFTYPE_ADHOC) | 6898 BIT(NL80211_IFTYPE_AP); 6899 if (mon_flag) 6900 wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 6901 if (p2p) 6902 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | 6903 BIT(NL80211_IFTYPE_P2P_GO) | 6904 BIT(NL80211_IFTYPE_P2P_DEVICE); 6905 6906 c = 0; 6907 i = 0; 6908 n_limits = 1 + mon_flag + (p2p ? 2 : 0) + (rsdb || !p2p); 6909 c0_limits = kcalloc(n_limits, sizeof(*c0_limits), GFP_KERNEL); 6910 if (!c0_limits) 6911 goto err; 6912 6913 combo[c].num_different_channels = 1 + (rsdb || (p2p && mchan)); 6914 c0_limits[i].max = 1; 6915 c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); 6916 if (mon_flag) { 6917 c0_limits[i].max = 1; 6918 c0_limits[i++].types = BIT(NL80211_IFTYPE_MONITOR); 6919 } 6920 if (p2p) { 6921 c0_limits[i].max = 1; 6922 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); 6923 c0_limits[i].max = 1 + rsdb; 6924 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | 6925 BIT(NL80211_IFTYPE_P2P_GO); 6926 } 6927 if (p2p && rsdb) { 6928 c0_limits[i].max = 2; 6929 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); 6930 combo[c].max_interfaces = 4; 6931 } else if (p2p) { 6932 combo[c].max_interfaces = i; 6933 } else if (rsdb) { 6934 c0_limits[i].max = 2; 6935 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); 6936 combo[c].max_interfaces = 3; 6937 } else { 6938 c0_limits[i].max = 1; 6939 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); 6940 combo[c].max_interfaces = i; 6941 } 6942 combo[c].n_limits = i; 6943 combo[c].limits = c0_limits; 6944 6945 if (p2p && !rsdb) { 6946 c++; 6947 i = 0; 6948 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); 6949 if (!p2p_limits) 6950 goto err; 6951 p2p_limits[i].max = 1; 6952 p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); 6953 p2p_limits[i].max = 1; 6954 p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP); 6955 p2p_limits[i].max = 1; 6956 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); 6957 p2p_limits[i].max = 1; 6958 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); 6959 combo[c].num_different_channels = 1; 6960 combo[c].max_interfaces = i; 6961 combo[c].n_limits = i; 6962 combo[c].limits = p2p_limits; 6963 } 6964 6965 if (mbss) { 6966 c++; 6967 i = 0; 6968 n_limits = 1 + mon_flag; 6969 mbss_limits = kcalloc(n_limits, sizeof(*mbss_limits), 6970 GFP_KERNEL); 6971 if (!mbss_limits) 6972 goto err; 6973 mbss_limits[i].max = 4; 6974 mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP); 6975 if (mon_flag) { 6976 mbss_limits[i].max = 1; 6977 mbss_limits[i++].types = BIT(NL80211_IFTYPE_MONITOR); 6978 } 6979 combo[c].beacon_int_infra_match = true; 6980 combo[c].num_different_channels = 1; 6981 combo[c].max_interfaces = 4 + mon_flag; 6982 combo[c].n_limits = i; 6983 combo[c].limits = mbss_limits; 6984 } 6985 6986 wiphy->n_iface_combinations = n_combos; 6987 wiphy->iface_combinations = combo; 6988 return 0; 6989 6990 err: 6991 kfree(c0_limits); 6992 kfree(p2p_limits); 6993 kfree(mbss_limits); 6994 kfree(combo); 6995 return -ENOMEM; 6996 } 6997 6998 #ifdef CONFIG_PM 6999 static const struct wiphy_wowlan_support brcmf_wowlan_support = { 7000 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, 7001 .n_patterns = BRCMF_WOWL_MAXPATTERNS, 7002 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, 7003 .pattern_min_len = 1, 7004 .max_pkt_offset = 1500, 7005 }; 7006 #endif 7007 7008 static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp) 7009 { 7010 #ifdef CONFIG_PM 7011 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 7012 struct brcmf_pub *drvr = cfg->pub; 7013 struct wiphy_wowlan_support *wowl; 7014 7015 wowl = kmemdup(&brcmf_wowlan_support, sizeof(brcmf_wowlan_support), 7016 GFP_KERNEL); 7017 if (!wowl) { 7018 bphy_err(drvr, "only support basic wowlan features\n"); 7019 wiphy->wowlan = &brcmf_wowlan_support; 7020 return; 7021 } 7022 7023 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) { 7024 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) { 7025 wowl->flags |= WIPHY_WOWLAN_NET_DETECT; 7026 wowl->max_nd_match_sets = BRCMF_PNO_MAX_PFN_COUNT; 7027 init_waitqueue_head(&cfg->wowl.nd_data_wait); 7028 } 7029 } 7030 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) { 7031 wowl->flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY; 7032 wowl->flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE; 7033 } 7034 7035 wiphy->wowlan = wowl; 7036 #endif 7037 } 7038 7039 static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) 7040 { 7041 struct brcmf_pub *drvr = ifp->drvr; 7042 const struct ieee80211_iface_combination *combo; 7043 struct ieee80211_supported_band *band; 7044 u16 max_interfaces = 0; 7045 bool gscan; 7046 __le32 bandlist[3]; 7047 u32 n_bands; 7048 int err, i; 7049 7050 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; 7051 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; 7052 wiphy->max_num_pmkids = BRCMF_MAXPMKID; 7053 7054 err = brcmf_setup_ifmodes(wiphy, ifp); 7055 if (err) 7056 return err; 7057 7058 for (i = 0, combo = wiphy->iface_combinations; 7059 i < wiphy->n_iface_combinations; i++, combo++) { 7060 max_interfaces = max(max_interfaces, combo->max_interfaces); 7061 } 7062 7063 for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses); 7064 i++) { 7065 u8 *addr = drvr->addresses[i].addr; 7066 7067 memcpy(addr, drvr->mac, ETH_ALEN); 7068 if (i) { 7069 addr[0] |= BIT(1); 7070 addr[ETH_ALEN - 1] ^= i; 7071 } 7072 } 7073 wiphy->addresses = drvr->addresses; 7074 wiphy->n_addresses = i; 7075 7076 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 7077 wiphy->cipher_suites = brcmf_cipher_suites; 7078 wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites); 7079 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) 7080 wiphy->n_cipher_suites--; 7081 wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) | 7082 BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) | 7083 BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST); 7084 7085 wiphy->flags |= WIPHY_FLAG_NETNS_OK | 7086 WIPHY_FLAG_PS_ON_BY_DEFAULT | 7087 WIPHY_FLAG_HAVE_AP_SME | 7088 WIPHY_FLAG_OFFCHAN_TX | 7089 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 7090 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) 7091 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 7092 if (!ifp->drvr->settings->roamoff) 7093 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; 7094 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_FWSUP)) { 7095 wiphy_ext_feature_set(wiphy, 7096 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK); 7097 wiphy_ext_feature_set(wiphy, 7098 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X); 7099 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SAE)) 7100 wiphy_ext_feature_set(wiphy, 7101 NL80211_EXT_FEATURE_SAE_OFFLOAD); 7102 } 7103 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_FWAUTH)) { 7104 wiphy_ext_feature_set(wiphy, 7105 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK); 7106 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SAE)) 7107 wiphy_ext_feature_set(wiphy, 7108 NL80211_EXT_FEATURE_SAE_OFFLOAD_AP); 7109 } 7110 wiphy->mgmt_stypes = brcmf_txrx_stypes; 7111 wiphy->max_remain_on_channel_duration = 5000; 7112 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) { 7113 gscan = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_GSCAN); 7114 brcmf_pno_wiphy_params(wiphy, gscan); 7115 } 7116 /* vendor commands/events support */ 7117 wiphy->vendor_commands = brcmf_vendor_cmds; 7118 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; 7119 7120 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) 7121 brcmf_wiphy_wowl_params(wiphy, ifp); 7122 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist, 7123 sizeof(bandlist)); 7124 if (err) { 7125 bphy_err(drvr, "could not obtain band info: err=%d\n", err); 7126 return err; 7127 } 7128 /* first entry in bandlist is number of bands */ 7129 n_bands = le32_to_cpu(bandlist[0]); 7130 for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) { 7131 if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) { 7132 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), 7133 GFP_KERNEL); 7134 if (!band) 7135 return -ENOMEM; 7136 7137 band->channels = kmemdup(&__wl_2ghz_channels, 7138 sizeof(__wl_2ghz_channels), 7139 GFP_KERNEL); 7140 if (!band->channels) { 7141 kfree(band); 7142 return -ENOMEM; 7143 } 7144 7145 band->n_channels = ARRAY_SIZE(__wl_2ghz_channels); 7146 wiphy->bands[NL80211_BAND_2GHZ] = band; 7147 } 7148 if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) { 7149 band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz), 7150 GFP_KERNEL); 7151 if (!band) 7152 return -ENOMEM; 7153 7154 band->channels = kmemdup(&__wl_5ghz_channels, 7155 sizeof(__wl_5ghz_channels), 7156 GFP_KERNEL); 7157 if (!band->channels) { 7158 kfree(band); 7159 return -ENOMEM; 7160 } 7161 7162 band->n_channels = ARRAY_SIZE(__wl_5ghz_channels); 7163 wiphy->bands[NL80211_BAND_5GHZ] = band; 7164 } 7165 } 7166 7167 if (wiphy->bands[NL80211_BAND_5GHZ] && 7168 brcmf_feat_is_enabled(ifp, BRCMF_FEAT_DOT11H)) 7169 wiphy_ext_feature_set(wiphy, 7170 NL80211_EXT_FEATURE_DFS_OFFLOAD); 7171 7172 wiphy_read_of_freq_limits(wiphy); 7173 7174 return 0; 7175 } 7176 7177 static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) 7178 { 7179 struct brcmf_pub *drvr = cfg->pub; 7180 struct net_device *ndev; 7181 struct wireless_dev *wdev; 7182 struct brcmf_if *ifp; 7183 s32 power_mode; 7184 s32 err = 0; 7185 7186 if (cfg->dongle_up) 7187 return err; 7188 7189 ndev = cfg_to_ndev(cfg); 7190 wdev = ndev->ieee80211_ptr; 7191 ifp = netdev_priv(ndev); 7192 7193 /* make sure RF is ready for work */ 7194 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); 7195 7196 brcmf_dongle_scantime(ifp); 7197 7198 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; 7199 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); 7200 if (err) 7201 goto default_conf_out; 7202 brcmf_dbg(INFO, "power save set to %s\n", 7203 (power_mode ? "enabled" : "disabled")); 7204 7205 err = brcmf_dongle_roam(ifp); 7206 if (err) 7207 goto default_conf_out; 7208 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, 7209 NULL); 7210 if (err) 7211 goto default_conf_out; 7212 7213 brcmf_configure_arp_nd_offload(ifp, true); 7214 7215 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_FAKEFRAG, 1); 7216 if (err) { 7217 bphy_err(drvr, "failed to set frameburst mode\n"); 7218 goto default_conf_out; 7219 } 7220 7221 cfg->dongle_up = true; 7222 default_conf_out: 7223 7224 return err; 7225 7226 } 7227 7228 static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) 7229 { 7230 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); 7231 7232 return brcmf_config_dongle(ifp->drvr->config); 7233 } 7234 7235 static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) 7236 { 7237 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 7238 7239 /* 7240 * While going down, if associated with AP disassociate 7241 * from AP to save power 7242 */ 7243 if (check_vif_up(ifp->vif)) { 7244 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED, true); 7245 7246 /* Make sure WPA_Supplicant receives all the event 7247 generated due to DISASSOC call to the fw to keep 7248 the state fw and WPA_Supplicant state consistent 7249 */ 7250 brcmf_delay(500); 7251 } 7252 7253 brcmf_abort_scanning(cfg); 7254 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); 7255 7256 return 0; 7257 } 7258 7259 s32 brcmf_cfg80211_up(struct net_device *ndev) 7260 { 7261 struct brcmf_if *ifp = netdev_priv(ndev); 7262 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 7263 s32 err = 0; 7264 7265 mutex_lock(&cfg->usr_sync); 7266 err = __brcmf_cfg80211_up(ifp); 7267 mutex_unlock(&cfg->usr_sync); 7268 7269 return err; 7270 } 7271 7272 s32 brcmf_cfg80211_down(struct net_device *ndev) 7273 { 7274 struct brcmf_if *ifp = netdev_priv(ndev); 7275 struct brcmf_cfg80211_info *cfg = ifp->drvr->config; 7276 s32 err = 0; 7277 7278 mutex_lock(&cfg->usr_sync); 7279 err = __brcmf_cfg80211_down(ifp); 7280 mutex_unlock(&cfg->usr_sync); 7281 7282 return err; 7283 } 7284 7285 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) 7286 { 7287 struct wireless_dev *wdev = &ifp->vif->wdev; 7288 7289 return wdev->iftype; 7290 } 7291 7292 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, 7293 unsigned long state) 7294 { 7295 struct brcmf_cfg80211_vif *vif; 7296 7297 list_for_each_entry(vif, &cfg->vif_list, list) { 7298 if (test_bit(state, &vif->sme_state)) 7299 return true; 7300 } 7301 return false; 7302 } 7303 7304 static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, 7305 u8 action) 7306 { 7307 u8 evt_action; 7308 7309 spin_lock(&event->vif_event_lock); 7310 evt_action = event->action; 7311 spin_unlock(&event->vif_event_lock); 7312 return evt_action == action; 7313 } 7314 7315 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, 7316 struct brcmf_cfg80211_vif *vif) 7317 { 7318 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; 7319 7320 spin_lock(&event->vif_event_lock); 7321 event->vif = vif; 7322 event->action = 0; 7323 spin_unlock(&event->vif_event_lock); 7324 } 7325 7326 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) 7327 { 7328 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; 7329 bool armed; 7330 7331 spin_lock(&event->vif_event_lock); 7332 armed = event->vif != NULL; 7333 spin_unlock(&event->vif_event_lock); 7334 7335 return armed; 7336 } 7337 7338 int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg, 7339 u8 action, ulong timeout) 7340 { 7341 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; 7342 7343 return wait_event_timeout(event->vif_wq, 7344 vif_event_equals(event, action), timeout); 7345 } 7346 7347 static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2], 7348 struct brcmf_fil_country_le *ccreq) 7349 { 7350 struct brcmfmac_pd_cc *country_codes; 7351 struct brcmfmac_pd_cc_entry *cc; 7352 s32 found_index; 7353 int i; 7354 7355 country_codes = drvr->settings->country_codes; 7356 if (!country_codes) { 7357 brcmf_dbg(TRACE, "No country codes configured for device\n"); 7358 return -EINVAL; 7359 } 7360 7361 if ((alpha2[0] == ccreq->country_abbrev[0]) && 7362 (alpha2[1] == ccreq->country_abbrev[1])) { 7363 brcmf_dbg(TRACE, "Country code already set\n"); 7364 return -EAGAIN; 7365 } 7366 7367 found_index = -1; 7368 for (i = 0; i < country_codes->table_size; i++) { 7369 cc = &country_codes->table[i]; 7370 if ((cc->iso3166[0] == '\0') && (found_index == -1)) 7371 found_index = i; 7372 if ((cc->iso3166[0] == alpha2[0]) && 7373 (cc->iso3166[1] == alpha2[1])) { 7374 found_index = i; 7375 break; 7376 } 7377 } 7378 if (found_index == -1) { 7379 brcmf_dbg(TRACE, "No country code match found\n"); 7380 return -EINVAL; 7381 } 7382 memset(ccreq, 0, sizeof(*ccreq)); 7383 ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev); 7384 memcpy(ccreq->ccode, country_codes->table[found_index].cc, 7385 BRCMF_COUNTRY_BUF_SZ); 7386 ccreq->country_abbrev[0] = alpha2[0]; 7387 ccreq->country_abbrev[1] = alpha2[1]; 7388 ccreq->country_abbrev[2] = 0; 7389 7390 return 0; 7391 } 7392 7393 static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, 7394 struct regulatory_request *req) 7395 { 7396 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); 7397 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0); 7398 struct brcmf_pub *drvr = cfg->pub; 7399 struct brcmf_fil_country_le ccreq; 7400 s32 err; 7401 int i; 7402 7403 /* The country code gets set to "00" by default at boot, ignore */ 7404 if (req->alpha2[0] == '0' && req->alpha2[1] == '0') 7405 return; 7406 7407 /* ignore non-ISO3166 country codes */ 7408 for (i = 0; i < 2; i++) 7409 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { 7410 bphy_err(drvr, "not an ISO3166 code (0x%02x 0x%02x)\n", 7411 req->alpha2[0], req->alpha2[1]); 7412 return; 7413 } 7414 7415 brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator, 7416 req->alpha2[0], req->alpha2[1]); 7417 7418 err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq)); 7419 if (err) { 7420 bphy_err(drvr, "Country code iovar returned err = %d\n", err); 7421 return; 7422 } 7423 7424 err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq); 7425 if (err) 7426 return; 7427 7428 err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq)); 7429 if (err) { 7430 bphy_err(drvr, "Firmware rejected country setting\n"); 7431 return; 7432 } 7433 brcmf_setup_wiphybands(cfg); 7434 } 7435 7436 static void brcmf_free_wiphy(struct wiphy *wiphy) 7437 { 7438 int i; 7439 7440 if (!wiphy) 7441 return; 7442 7443 if (wiphy->iface_combinations) { 7444 for (i = 0; i < wiphy->n_iface_combinations; i++) 7445 kfree(wiphy->iface_combinations[i].limits); 7446 } 7447 kfree(wiphy->iface_combinations); 7448 if (wiphy->bands[NL80211_BAND_2GHZ]) { 7449 kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels); 7450 kfree(wiphy->bands[NL80211_BAND_2GHZ]); 7451 } 7452 if (wiphy->bands[NL80211_BAND_5GHZ]) { 7453 kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels); 7454 kfree(wiphy->bands[NL80211_BAND_5GHZ]); 7455 } 7456 #if IS_ENABLED(CONFIG_PM) 7457 if (wiphy->wowlan != &brcmf_wowlan_support) 7458 kfree(wiphy->wowlan); 7459 #endif 7460 } 7461 7462 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, 7463 struct cfg80211_ops *ops, 7464 bool p2pdev_forced) 7465 { 7466 struct wiphy *wiphy = drvr->wiphy; 7467 struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev; 7468 struct brcmf_cfg80211_info *cfg; 7469 struct brcmf_cfg80211_vif *vif; 7470 struct brcmf_if *ifp; 7471 s32 err = 0; 7472 s32 io_type; 7473 u16 *cap = NULL; 7474 7475 if (!ndev) { 7476 bphy_err(drvr, "ndev is invalid\n"); 7477 return NULL; 7478 } 7479 7480 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 7481 if (!cfg) { 7482 bphy_err(drvr, "Could not allocate wiphy device\n"); 7483 return NULL; 7484 } 7485 7486 cfg->wiphy = wiphy; 7487 cfg->pub = drvr; 7488 init_vif_event(&cfg->vif_event); 7489 INIT_LIST_HEAD(&cfg->vif_list); 7490 7491 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION); 7492 if (IS_ERR(vif)) 7493 goto wiphy_out; 7494 7495 ifp = netdev_priv(ndev); 7496 vif->ifp = ifp; 7497 vif->wdev.netdev = ndev; 7498 ndev->ieee80211_ptr = &vif->wdev; 7499 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); 7500 7501 err = wl_init_priv(cfg); 7502 if (err) { 7503 bphy_err(drvr, "Failed to init iwm_priv (%d)\n", err); 7504 brcmf_free_vif(vif); 7505 goto wiphy_out; 7506 } 7507 ifp->vif = vif; 7508 7509 /* determine d11 io type before wiphy setup */ 7510 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); 7511 if (err) { 7512 bphy_err(drvr, "Failed to get D11 version (%d)\n", err); 7513 goto priv_out; 7514 } 7515 cfg->d11inf.io_type = (u8)io_type; 7516 brcmu_d11_attach(&cfg->d11inf); 7517 7518 /* regulatory notifer below needs access to cfg so 7519 * assign it now. 7520 */ 7521 drvr->config = cfg; 7522 7523 err = brcmf_setup_wiphy(wiphy, ifp); 7524 if (err < 0) 7525 goto priv_out; 7526 7527 brcmf_dbg(INFO, "Registering custom regulatory\n"); 7528 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; 7529 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; 7530 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); 7531 7532 /* firmware defaults to 40MHz disabled in 2G band. We signal 7533 * cfg80211 here that we do and have it decide we can enable 7534 * it. But first check if device does support 2G operation. 7535 */ 7536 if (wiphy->bands[NL80211_BAND_2GHZ]) { 7537 cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap; 7538 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 7539 } 7540 #ifdef CONFIG_PM 7541 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) 7542 ops->set_rekey_data = brcmf_cfg80211_set_rekey_data; 7543 #endif 7544 err = wiphy_register(wiphy); 7545 if (err < 0) { 7546 bphy_err(drvr, "Could not register wiphy device (%d)\n", err); 7547 goto priv_out; 7548 } 7549 7550 err = brcmf_setup_wiphybands(cfg); 7551 if (err) { 7552 bphy_err(drvr, "Setting wiphy bands failed (%d)\n", err); 7553 goto wiphy_unreg_out; 7554 } 7555 7556 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), 7557 * setup 40MHz in 2GHz band and enable OBSS scanning. 7558 */ 7559 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { 7560 err = brcmf_enable_bw40_2g(cfg); 7561 if (!err) 7562 err = brcmf_fil_iovar_int_set(ifp, "obss_coex", 7563 BRCMF_OBSS_COEX_AUTO); 7564 else 7565 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 7566 } 7567 7568 err = brcmf_fweh_activate_events(ifp); 7569 if (err) { 7570 bphy_err(drvr, "FWEH activation failed (%d)\n", err); 7571 goto wiphy_unreg_out; 7572 } 7573 7574 err = brcmf_p2p_attach(cfg, p2pdev_forced); 7575 if (err) { 7576 bphy_err(drvr, "P2P initialisation failed (%d)\n", err); 7577 goto wiphy_unreg_out; 7578 } 7579 err = brcmf_btcoex_attach(cfg); 7580 if (err) { 7581 bphy_err(drvr, "BT-coex initialisation failed (%d)\n", err); 7582 brcmf_p2p_detach(&cfg->p2p); 7583 goto wiphy_unreg_out; 7584 } 7585 err = brcmf_pno_attach(cfg); 7586 if (err) { 7587 bphy_err(drvr, "PNO initialisation failed (%d)\n", err); 7588 brcmf_btcoex_detach(cfg); 7589 brcmf_p2p_detach(&cfg->p2p); 7590 goto wiphy_unreg_out; 7591 } 7592 7593 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) { 7594 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); 7595 if (err) { 7596 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); 7597 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; 7598 } else { 7599 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, 7600 brcmf_notify_tdls_peer_event); 7601 } 7602 } 7603 7604 /* (re-) activate FWEH event handling */ 7605 err = brcmf_fweh_activate_events(ifp); 7606 if (err) { 7607 bphy_err(drvr, "FWEH activation failed (%d)\n", err); 7608 goto detach; 7609 } 7610 7611 /* Fill in some of the advertised nl80211 supported features */ 7612 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) { 7613 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; 7614 #ifdef CONFIG_PM 7615 if (wiphy->wowlan && 7616 wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT) 7617 wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 7618 #endif 7619 } 7620 7621 return cfg; 7622 7623 detach: 7624 brcmf_pno_detach(cfg); 7625 brcmf_btcoex_detach(cfg); 7626 brcmf_p2p_detach(&cfg->p2p); 7627 wiphy_unreg_out: 7628 wiphy_unregister(cfg->wiphy); 7629 priv_out: 7630 wl_deinit_priv(cfg); 7631 brcmf_free_vif(vif); 7632 ifp->vif = NULL; 7633 wiphy_out: 7634 brcmf_free_wiphy(wiphy); 7635 kfree(cfg); 7636 return NULL; 7637 } 7638 7639 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) 7640 { 7641 if (!cfg) 7642 return; 7643 7644 brcmf_pno_detach(cfg); 7645 brcmf_btcoex_detach(cfg); 7646 wiphy_unregister(cfg->wiphy); 7647 wl_deinit_priv(cfg); 7648 brcmf_free_wiphy(cfg->wiphy); 7649 kfree(cfg); 7650 } 7651