| 1 | /* |
| 2 | * Marvell Wireless LAN device driver: CFG80211 |
| 3 | * |
| 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
| 5 | * |
| 6 | * This software file (the "File") is distributed by Marvell International |
| 7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| 8 | * (the "License"). You may use, redistribute and/or modify this File in |
| 9 | * accordance with the terms and conditions of the License, a copy of which |
| 10 | * is available by writing to the Free Software Foundation, Inc., |
| 11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| 12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| 13 | * |
| 14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| 16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| 17 | * this warranty disclaimer. |
| 18 | */ |
| 19 | |
| 20 | #include "cfg80211.h" |
| 21 | #include "main.h" |
| 22 | |
| 23 | static char *reg_alpha2; |
| 24 | module_param(reg_alpha2, charp, 0); |
| 25 | |
| 26 | static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { |
| 27 | { |
| 28 | .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | |
| 29 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 30 | BIT(NL80211_IFTYPE_P2P_CLIENT), |
| 31 | }, |
| 32 | { |
| 33 | .max = 1, .types = BIT(NL80211_IFTYPE_AP), |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = { |
| 38 | .limits = mwifiex_ap_sta_limits, |
| 39 | .num_different_channels = 1, |
| 40 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), |
| 41 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, |
| 42 | .beacon_int_infra_match = true, |
| 43 | }; |
| 44 | |
| 45 | /* |
| 46 | * This function maps the nl802.11 channel type into driver channel type. |
| 47 | * |
| 48 | * The mapping is as follows - |
| 49 | * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 50 | * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 51 | * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE |
| 52 | * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW |
| 53 | * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 54 | */ |
| 55 | u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) |
| 56 | { |
| 57 | switch (chan_type) { |
| 58 | case NL80211_CHAN_NO_HT: |
| 59 | case NL80211_CHAN_HT20: |
| 60 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 61 | case NL80211_CHAN_HT40PLUS: |
| 62 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 63 | case NL80211_CHAN_HT40MINUS: |
| 64 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 65 | default: |
| 66 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | /* |
| 71 | * This function checks whether WEP is set. |
| 72 | */ |
| 73 | static int |
| 74 | mwifiex_is_alg_wep(u32 cipher) |
| 75 | { |
| 76 | switch (cipher) { |
| 77 | case WLAN_CIPHER_SUITE_WEP40: |
| 78 | case WLAN_CIPHER_SUITE_WEP104: |
| 79 | return 1; |
| 80 | default: |
| 81 | break; |
| 82 | } |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | /* |
| 88 | * This function retrieves the private structure from kernel wiphy structure. |
| 89 | */ |
| 90 | static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) |
| 91 | { |
| 92 | return (void *) (*(unsigned long *) wiphy_priv(wiphy)); |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * CFG802.11 operation handler to delete a network key. |
| 97 | */ |
| 98 | static int |
| 99 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, |
| 100 | u8 key_index, bool pairwise, const u8 *mac_addr) |
| 101 | { |
| 102 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 103 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 104 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 105 | |
| 106 | if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { |
| 107 | wiphy_err(wiphy, "deleting the crypto keys\n"); |
| 108 | return -EFAULT; |
| 109 | } |
| 110 | |
| 111 | wiphy_dbg(wiphy, "info: crypto keys deleted\n"); |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | /* |
| 116 | * This function forms an skb for management frame. |
| 117 | */ |
| 118 | static int |
| 119 | mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) |
| 120 | { |
| 121 | u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; |
| 122 | u16 pkt_len; |
| 123 | u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; |
| 124 | |
| 125 | pkt_len = len + ETH_ALEN; |
| 126 | |
| 127 | skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + |
| 128 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); |
| 129 | memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); |
| 130 | |
| 131 | memcpy(skb_push(skb, sizeof(tx_control)), |
| 132 | &tx_control, sizeof(tx_control)); |
| 133 | |
| 134 | memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); |
| 135 | |
| 136 | /* Add packet data and address4 */ |
| 137 | memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, |
| 138 | sizeof(struct ieee80211_hdr_3addr)); |
| 139 | memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); |
| 140 | memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), |
| 141 | buf + sizeof(struct ieee80211_hdr_3addr), |
| 142 | len - sizeof(struct ieee80211_hdr_3addr)); |
| 143 | |
| 144 | skb->priority = LOW_PRIO_TID; |
| 145 | __net_timestamp(skb); |
| 146 | |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | /* |
| 151 | * CFG802.11 operation handler to transmit a management frame. |
| 152 | */ |
| 153 | static int |
| 154 | mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 155 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
| 156 | { |
| 157 | const u8 *buf = params->buf; |
| 158 | size_t len = params->len; |
| 159 | struct sk_buff *skb; |
| 160 | u16 pkt_len; |
| 161 | const struct ieee80211_mgmt *mgmt; |
| 162 | struct mwifiex_txinfo *tx_info; |
| 163 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 164 | |
| 165 | if (!buf || !len) { |
| 166 | wiphy_err(wiphy, "invalid buffer and length\n"); |
| 167 | return -EFAULT; |
| 168 | } |
| 169 | |
| 170 | mgmt = (const struct ieee80211_mgmt *)buf; |
| 171 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && |
| 172 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
| 173 | /* Since we support offload probe resp, we need to skip probe |
| 174 | * resp in AP or GO mode */ |
| 175 | wiphy_dbg(wiphy, |
| 176 | "info: skip to send probe resp in AP or GO mode\n"); |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | pkt_len = len + ETH_ALEN; |
| 181 | skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + |
| 182 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + |
| 183 | pkt_len + sizeof(pkt_len)); |
| 184 | |
| 185 | if (!skb) { |
| 186 | wiphy_err(wiphy, "allocate skb failed for management frame\n"); |
| 187 | return -ENOMEM; |
| 188 | } |
| 189 | |
| 190 | tx_info = MWIFIEX_SKB_TXCB(skb); |
| 191 | memset(tx_info, 0, sizeof(*tx_info)); |
| 192 | tx_info->bss_num = priv->bss_num; |
| 193 | tx_info->bss_type = priv->bss_type; |
| 194 | tx_info->pkt_len = pkt_len; |
| 195 | |
| 196 | mwifiex_form_mgmt_frame(skb, buf, len); |
| 197 | *cookie = prandom_u32() | 1; |
| 198 | |
| 199 | if (ieee80211_is_action(mgmt->frame_control)) |
| 200 | skb = mwifiex_clone_skb_for_tx_status(priv, |
| 201 | skb, |
| 202 | MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); |
| 203 | else |
| 204 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, |
| 205 | GFP_ATOMIC); |
| 206 | |
| 207 | mwifiex_queue_tx_pkt(priv, skb); |
| 208 | |
| 209 | wiphy_dbg(wiphy, "info: management frame transmitted\n"); |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | /* |
| 214 | * CFG802.11 operation handler to register a mgmt frame. |
| 215 | */ |
| 216 | static void |
| 217 | mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, |
| 218 | struct wireless_dev *wdev, |
| 219 | u16 frame_type, bool reg) |
| 220 | { |
| 221 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 222 | u32 mask; |
| 223 | |
| 224 | if (reg) |
| 225 | mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); |
| 226 | else |
| 227 | mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); |
| 228 | |
| 229 | if (mask != priv->mgmt_frame_mask) { |
| 230 | priv->mgmt_frame_mask = mask; |
| 231 | mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, |
| 232 | HostCmd_ACT_GEN_SET, 0, |
| 233 | &priv->mgmt_frame_mask, false); |
| 234 | wiphy_dbg(wiphy, "info: mgmt frame registered\n"); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | /* |
| 239 | * CFG802.11 operation handler to remain on channel. |
| 240 | */ |
| 241 | static int |
| 242 | mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, |
| 243 | struct wireless_dev *wdev, |
| 244 | struct ieee80211_channel *chan, |
| 245 | unsigned int duration, u64 *cookie) |
| 246 | { |
| 247 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 248 | int ret; |
| 249 | |
| 250 | if (!chan || !cookie) { |
| 251 | wiphy_err(wiphy, "Invalid parameter for ROC\n"); |
| 252 | return -EINVAL; |
| 253 | } |
| 254 | |
| 255 | if (priv->roc_cfg.cookie) { |
| 256 | wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llx\n", |
| 257 | priv->roc_cfg.cookie); |
| 258 | return -EBUSY; |
| 259 | } |
| 260 | |
| 261 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, |
| 262 | duration); |
| 263 | |
| 264 | if (!ret) { |
| 265 | *cookie = prandom_u32() | 1; |
| 266 | priv->roc_cfg.cookie = *cookie; |
| 267 | priv->roc_cfg.chan = *chan; |
| 268 | |
| 269 | cfg80211_ready_on_channel(wdev, *cookie, chan, |
| 270 | duration, GFP_ATOMIC); |
| 271 | |
| 272 | wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie); |
| 273 | } |
| 274 | |
| 275 | return ret; |
| 276 | } |
| 277 | |
| 278 | /* |
| 279 | * CFG802.11 operation handler to cancel remain on channel. |
| 280 | */ |
| 281 | static int |
| 282 | mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
| 283 | struct wireless_dev *wdev, u64 cookie) |
| 284 | { |
| 285 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 286 | int ret; |
| 287 | |
| 288 | if (cookie != priv->roc_cfg.cookie) |
| 289 | return -ENOENT; |
| 290 | |
| 291 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, |
| 292 | &priv->roc_cfg.chan, 0); |
| 293 | |
| 294 | if (!ret) { |
| 295 | cfg80211_remain_on_channel_expired(wdev, cookie, |
| 296 | &priv->roc_cfg.chan, |
| 297 | GFP_ATOMIC); |
| 298 | |
| 299 | memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); |
| 300 | |
| 301 | wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie); |
| 302 | } |
| 303 | |
| 304 | return ret; |
| 305 | } |
| 306 | |
| 307 | /* |
| 308 | * CFG802.11 operation handler to set Tx power. |
| 309 | */ |
| 310 | static int |
| 311 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, |
| 312 | struct wireless_dev *wdev, |
| 313 | enum nl80211_tx_power_setting type, |
| 314 | int mbm) |
| 315 | { |
| 316 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 317 | struct mwifiex_private *priv; |
| 318 | struct mwifiex_power_cfg power_cfg; |
| 319 | int dbm = MBM_TO_DBM(mbm); |
| 320 | |
| 321 | if (type == NL80211_TX_POWER_FIXED) { |
| 322 | power_cfg.is_power_auto = 0; |
| 323 | power_cfg.power_level = dbm; |
| 324 | } else { |
| 325 | power_cfg.is_power_auto = 1; |
| 326 | } |
| 327 | |
| 328 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 329 | |
| 330 | return mwifiex_set_tx_power(priv, &power_cfg); |
| 331 | } |
| 332 | |
| 333 | /* |
| 334 | * CFG802.11 operation handler to set Power Save option. |
| 335 | * |
| 336 | * The timeout value, if provided, is currently ignored. |
| 337 | */ |
| 338 | static int |
| 339 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
| 340 | struct net_device *dev, |
| 341 | bool enabled, int timeout) |
| 342 | { |
| 343 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 344 | u32 ps_mode; |
| 345 | |
| 346 | if (timeout) |
| 347 | wiphy_dbg(wiphy, |
| 348 | "info: ignore timeout value for IEEE Power Save\n"); |
| 349 | |
| 350 | ps_mode = enabled; |
| 351 | |
| 352 | return mwifiex_drv_set_power(priv, &ps_mode); |
| 353 | } |
| 354 | |
| 355 | /* |
| 356 | * CFG802.11 operation handler to set the default network key. |
| 357 | */ |
| 358 | static int |
| 359 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, |
| 360 | u8 key_index, bool unicast, |
| 361 | bool multicast) |
| 362 | { |
| 363 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 364 | |
| 365 | /* Return if WEP key not configured */ |
| 366 | if (!priv->sec_info.wep_enabled) |
| 367 | return 0; |
| 368 | |
| 369 | if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { |
| 370 | priv->wep_key_curr_index = key_index; |
| 371 | } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, |
| 372 | NULL, 0)) { |
| 373 | wiphy_err(wiphy, "set default Tx key index\n"); |
| 374 | return -EFAULT; |
| 375 | } |
| 376 | |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | /* |
| 381 | * CFG802.11 operation handler to add a network key. |
| 382 | */ |
| 383 | static int |
| 384 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, |
| 385 | u8 key_index, bool pairwise, const u8 *mac_addr, |
| 386 | struct key_params *params) |
| 387 | { |
| 388 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 389 | struct mwifiex_wep_key *wep_key; |
| 390 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 391 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 392 | |
| 393 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
| 394 | (params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 395 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| 396 | if (params->key && params->key_len) { |
| 397 | wep_key = &priv->wep_key[key_index]; |
| 398 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
| 399 | memcpy(wep_key->key_material, params->key, |
| 400 | params->key_len); |
| 401 | wep_key->key_index = key_index; |
| 402 | wep_key->key_length = params->key_len; |
| 403 | priv->sec_info.wep_enabled = 1; |
| 404 | } |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | if (mwifiex_set_encode(priv, params, params->key, params->key_len, |
| 409 | key_index, peer_mac, 0)) { |
| 410 | wiphy_err(wiphy, "crypto keys added\n"); |
| 411 | return -EFAULT; |
| 412 | } |
| 413 | |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | * This function sends domain information to the firmware. |
| 419 | * |
| 420 | * The following information are passed to the firmware - |
| 421 | * - Country codes |
| 422 | * - Sub bands (first channel, number of channels, maximum Tx power) |
| 423 | */ |
| 424 | static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) |
| 425 | { |
| 426 | u8 no_of_triplet = 0; |
| 427 | struct ieee80211_country_ie_triplet *t; |
| 428 | u8 no_of_parsed_chan = 0; |
| 429 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; |
| 430 | u8 i, flag = 0; |
| 431 | enum ieee80211_band band; |
| 432 | struct ieee80211_supported_band *sband; |
| 433 | struct ieee80211_channel *ch; |
| 434 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 435 | struct mwifiex_private *priv; |
| 436 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
| 437 | |
| 438 | /* Set country code */ |
| 439 | domain_info->country_code[0] = adapter->country_code[0]; |
| 440 | domain_info->country_code[1] = adapter->country_code[1]; |
| 441 | domain_info->country_code[2] = ' '; |
| 442 | |
| 443 | band = mwifiex_band_to_radio_type(adapter->config_bands); |
| 444 | if (!wiphy->bands[band]) { |
| 445 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
| 446 | return -1; |
| 447 | } |
| 448 | |
| 449 | sband = wiphy->bands[band]; |
| 450 | |
| 451 | for (i = 0; i < sband->n_channels ; i++) { |
| 452 | ch = &sband->channels[i]; |
| 453 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 454 | continue; |
| 455 | |
| 456 | if (!flag) { |
| 457 | flag = 1; |
| 458 | first_chan = (u32) ch->hw_value; |
| 459 | next_chan = first_chan; |
| 460 | max_pwr = ch->max_power; |
| 461 | no_of_parsed_chan = 1; |
| 462 | continue; |
| 463 | } |
| 464 | |
| 465 | if (ch->hw_value == next_chan + 1 && |
| 466 | ch->max_power == max_pwr) { |
| 467 | next_chan++; |
| 468 | no_of_parsed_chan++; |
| 469 | } else { |
| 470 | t = &domain_info->triplet[no_of_triplet]; |
| 471 | t->chans.first_channel = first_chan; |
| 472 | t->chans.num_channels = no_of_parsed_chan; |
| 473 | t->chans.max_power = max_pwr; |
| 474 | no_of_triplet++; |
| 475 | first_chan = (u32) ch->hw_value; |
| 476 | next_chan = first_chan; |
| 477 | max_pwr = ch->max_power; |
| 478 | no_of_parsed_chan = 1; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | if (flag) { |
| 483 | t = &domain_info->triplet[no_of_triplet]; |
| 484 | t->chans.first_channel = first_chan; |
| 485 | t->chans.num_channels = no_of_parsed_chan; |
| 486 | t->chans.max_power = max_pwr; |
| 487 | no_of_triplet++; |
| 488 | } |
| 489 | |
| 490 | domain_info->no_of_triplet = no_of_triplet; |
| 491 | |
| 492 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 493 | |
| 494 | if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
| 495 | HostCmd_ACT_GEN_SET, 0, NULL, false)) { |
| 496 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
| 497 | return -1; |
| 498 | } |
| 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | /* |
| 504 | * CFG802.11 regulatory domain callback function. |
| 505 | * |
| 506 | * This function is called when the regulatory domain is changed due to the |
| 507 | * following reasons - |
| 508 | * - Set by driver |
| 509 | * - Set by system core |
| 510 | * - Set by user |
| 511 | * - Set bt Country IE |
| 512 | */ |
| 513 | static void mwifiex_reg_notifier(struct wiphy *wiphy, |
| 514 | struct regulatory_request *request) |
| 515 | { |
| 516 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 517 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, |
| 518 | MWIFIEX_BSS_ROLE_ANY); |
| 519 | |
| 520 | wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n", |
| 521 | request->alpha2[0], request->alpha2[1]); |
| 522 | |
| 523 | switch (request->initiator) { |
| 524 | case NL80211_REGDOM_SET_BY_DRIVER: |
| 525 | case NL80211_REGDOM_SET_BY_CORE: |
| 526 | case NL80211_REGDOM_SET_BY_USER: |
| 527 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
| 528 | break; |
| 529 | default: |
| 530 | wiphy_err(wiphy, "unknown regdom initiator: %d\n", |
| 531 | request->initiator); |
| 532 | return; |
| 533 | } |
| 534 | |
| 535 | /* Don't send world or same regdom info to firmware */ |
| 536 | if (strncmp(request->alpha2, "00", 2) && |
| 537 | strncmp(request->alpha2, adapter->country_code, |
| 538 | sizeof(request->alpha2))) { |
| 539 | memcpy(adapter->country_code, request->alpha2, |
| 540 | sizeof(request->alpha2)); |
| 541 | mwifiex_send_domain_info_cmd_fw(wiphy); |
| 542 | mwifiex_dnld_txpwr_table(priv); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | /* |
| 547 | * This function sets the fragmentation threshold. |
| 548 | * |
| 549 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
| 550 | * and MWIFIEX_FRAG_MAX_VALUE. |
| 551 | */ |
| 552 | static int |
| 553 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) |
| 554 | { |
| 555 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
| 556 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) |
| 557 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
| 558 | |
| 559 | return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 560 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, |
| 561 | &frag_thr, true); |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * This function sets the RTS threshold. |
| 566 | |
| 567 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE |
| 568 | * and MWIFIEX_RTS_MAX_VALUE. |
| 569 | */ |
| 570 | static int |
| 571 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) |
| 572 | { |
| 573 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
| 574 | rts_thr = MWIFIEX_RTS_MAX_VALUE; |
| 575 | |
| 576 | return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 577 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
| 578 | &rts_thr, true); |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | * CFG802.11 operation handler to set wiphy parameters. |
| 583 | * |
| 584 | * This function can be used to set the RTS threshold and the |
| 585 | * Fragmentation threshold of the driver. |
| 586 | */ |
| 587 | static int |
| 588 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 589 | { |
| 590 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 591 | struct mwifiex_private *priv; |
| 592 | struct mwifiex_uap_bss_param *bss_cfg; |
| 593 | int ret, bss_started, i; |
| 594 | |
| 595 | for (i = 0; i < adapter->priv_num; i++) { |
| 596 | priv = adapter->priv[i]; |
| 597 | |
| 598 | switch (priv->bss_role) { |
| 599 | case MWIFIEX_BSS_ROLE_UAP: |
| 600 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), |
| 601 | GFP_KERNEL); |
| 602 | if (!bss_cfg) |
| 603 | return -ENOMEM; |
| 604 | |
| 605 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 606 | |
| 607 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) |
| 608 | bss_cfg->rts_threshold = wiphy->rts_threshold; |
| 609 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) |
| 610 | bss_cfg->frag_threshold = wiphy->frag_threshold; |
| 611 | if (changed & WIPHY_PARAM_RETRY_LONG) |
| 612 | bss_cfg->retry_limit = wiphy->retry_long; |
| 613 | |
| 614 | bss_started = priv->bss_started; |
| 615 | |
| 616 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 617 | HostCmd_ACT_GEN_SET, 0, |
| 618 | NULL, true); |
| 619 | if (ret) { |
| 620 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 621 | kfree(bss_cfg); |
| 622 | return ret; |
| 623 | } |
| 624 | |
| 625 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, |
| 626 | HostCmd_ACT_GEN_SET, |
| 627 | UAP_BSS_PARAMS_I, bss_cfg, |
| 628 | false); |
| 629 | |
| 630 | kfree(bss_cfg); |
| 631 | |
| 632 | if (ret) { |
| 633 | wiphy_err(wiphy, "Failed to set bss config\n"); |
| 634 | return ret; |
| 635 | } |
| 636 | |
| 637 | if (!bss_started) |
| 638 | break; |
| 639 | |
| 640 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, |
| 641 | HostCmd_ACT_GEN_SET, 0, |
| 642 | NULL, false); |
| 643 | if (ret) { |
| 644 | wiphy_err(wiphy, "Failed to start BSS\n"); |
| 645 | return ret; |
| 646 | } |
| 647 | |
| 648 | break; |
| 649 | case MWIFIEX_BSS_ROLE_STA: |
| 650 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
| 651 | ret = mwifiex_set_rts(priv, |
| 652 | wiphy->rts_threshold); |
| 653 | if (ret) |
| 654 | return ret; |
| 655 | } |
| 656 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
| 657 | ret = mwifiex_set_frag(priv, |
| 658 | wiphy->frag_threshold); |
| 659 | if (ret) |
| 660 | return ret; |
| 661 | } |
| 662 | break; |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | return 0; |
| 667 | } |
| 668 | |
| 669 | static int |
| 670 | mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) |
| 671 | { |
| 672 | u16 mode = P2P_MODE_DISABLE; |
| 673 | |
| 674 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) |
| 675 | mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA); |
| 676 | |
| 677 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 678 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 679 | return -1; |
| 680 | |
| 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | /* |
| 685 | * This function initializes the functionalities for P2P client. |
| 686 | * The P2P client initialization sequence is: |
| 687 | * disable -> device -> client |
| 688 | */ |
| 689 | static int |
| 690 | mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) |
| 691 | { |
| 692 | u16 mode; |
| 693 | |
| 694 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 695 | return -1; |
| 696 | |
| 697 | mode = P2P_MODE_DEVICE; |
| 698 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 699 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 700 | return -1; |
| 701 | |
| 702 | mode = P2P_MODE_CLIENT; |
| 703 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 704 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 705 | return -1; |
| 706 | |
| 707 | return 0; |
| 708 | } |
| 709 | |
| 710 | /* |
| 711 | * This function initializes the functionalities for P2P GO. |
| 712 | * The P2P GO initialization sequence is: |
| 713 | * disable -> device -> GO |
| 714 | */ |
| 715 | static int |
| 716 | mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) |
| 717 | { |
| 718 | u16 mode; |
| 719 | |
| 720 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 721 | return -1; |
| 722 | |
| 723 | mode = P2P_MODE_DEVICE; |
| 724 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 725 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 726 | return -1; |
| 727 | |
| 728 | mode = P2P_MODE_GO; |
| 729 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 730 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 731 | return -1; |
| 732 | |
| 733 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) |
| 734 | mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP); |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
| 739 | /* |
| 740 | * CFG802.11 operation handler to change interface type. |
| 741 | */ |
| 742 | static int |
| 743 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, |
| 744 | struct net_device *dev, |
| 745 | enum nl80211_iftype type, u32 *flags, |
| 746 | struct vif_params *params) |
| 747 | { |
| 748 | int ret; |
| 749 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 750 | |
| 751 | switch (dev->ieee80211_ptr->iftype) { |
| 752 | case NL80211_IFTYPE_ADHOC: |
| 753 | switch (type) { |
| 754 | case NL80211_IFTYPE_STATION: |
| 755 | break; |
| 756 | case NL80211_IFTYPE_UNSPECIFIED: |
| 757 | wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); |
| 758 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ |
| 759 | return 0; |
| 760 | case NL80211_IFTYPE_AP: |
| 761 | default: |
| 762 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 763 | dev->name, type); |
| 764 | return -EOPNOTSUPP; |
| 765 | } |
| 766 | break; |
| 767 | case NL80211_IFTYPE_STATION: |
| 768 | switch (type) { |
| 769 | case NL80211_IFTYPE_ADHOC: |
| 770 | break; |
| 771 | case NL80211_IFTYPE_P2P_CLIENT: |
| 772 | if (mwifiex_cfg80211_init_p2p_client(priv)) |
| 773 | return -EFAULT; |
| 774 | dev->ieee80211_ptr->iftype = type; |
| 775 | return 0; |
| 776 | case NL80211_IFTYPE_P2P_GO: |
| 777 | if (mwifiex_cfg80211_init_p2p_go(priv)) |
| 778 | return -EFAULT; |
| 779 | dev->ieee80211_ptr->iftype = type; |
| 780 | return 0; |
| 781 | case NL80211_IFTYPE_UNSPECIFIED: |
| 782 | wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); |
| 783 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ |
| 784 | return 0; |
| 785 | case NL80211_IFTYPE_AP: |
| 786 | default: |
| 787 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 788 | dev->name, type); |
| 789 | return -EOPNOTSUPP; |
| 790 | } |
| 791 | break; |
| 792 | case NL80211_IFTYPE_AP: |
| 793 | switch (type) { |
| 794 | case NL80211_IFTYPE_UNSPECIFIED: |
| 795 | wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); |
| 796 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ |
| 797 | return 0; |
| 798 | case NL80211_IFTYPE_ADHOC: |
| 799 | case NL80211_IFTYPE_STATION: |
| 800 | default: |
| 801 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 802 | dev->name, type); |
| 803 | return -EOPNOTSUPP; |
| 804 | } |
| 805 | break; |
| 806 | case NL80211_IFTYPE_P2P_CLIENT: |
| 807 | case NL80211_IFTYPE_P2P_GO: |
| 808 | switch (type) { |
| 809 | case NL80211_IFTYPE_STATION: |
| 810 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 811 | return -EFAULT; |
| 812 | dev->ieee80211_ptr->iftype = type; |
| 813 | return 0; |
| 814 | default: |
| 815 | return -EOPNOTSUPP; |
| 816 | } |
| 817 | break; |
| 818 | default: |
| 819 | wiphy_err(wiphy, "%s: unknown iftype: %d\n", |
| 820 | dev->name, dev->ieee80211_ptr->iftype); |
| 821 | return -EOPNOTSUPP; |
| 822 | } |
| 823 | |
| 824 | dev->ieee80211_ptr->iftype = type; |
| 825 | priv->bss_mode = type; |
| 826 | mwifiex_deauthenticate(priv, NULL); |
| 827 | |
| 828 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 829 | |
| 830 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 831 | HostCmd_ACT_GEN_SET, 0, NULL, true); |
| 832 | |
| 833 | return ret; |
| 834 | } |
| 835 | |
| 836 | static void |
| 837 | mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, |
| 838 | struct rate_info *rate) |
| 839 | { |
| 840 | struct mwifiex_adapter *adapter = priv->adapter; |
| 841 | |
| 842 | if (adapter->is_hw_11ac_capable) { |
| 843 | /* bit[1-0]: 00=LG 01=HT 10=VHT */ |
| 844 | if (tx_htinfo & BIT(0)) { |
| 845 | /* HT */ |
| 846 | rate->mcs = priv->tx_rate; |
| 847 | rate->flags |= RATE_INFO_FLAGS_MCS; |
| 848 | } |
| 849 | if (tx_htinfo & BIT(1)) { |
| 850 | /* VHT */ |
| 851 | rate->mcs = priv->tx_rate & 0x0F; |
| 852 | rate->flags |= RATE_INFO_FLAGS_VHT_MCS; |
| 853 | } |
| 854 | |
| 855 | if (tx_htinfo & (BIT(1) | BIT(0))) { |
| 856 | /* HT or VHT */ |
| 857 | switch (tx_htinfo & (BIT(3) | BIT(2))) { |
| 858 | case 0: |
| 859 | /* This will be 20MHz */ |
| 860 | break; |
| 861 | case (BIT(2)): |
| 862 | rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; |
| 863 | break; |
| 864 | case (BIT(3)): |
| 865 | rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; |
| 866 | break; |
| 867 | case (BIT(3) | BIT(2)): |
| 868 | rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; |
| 869 | break; |
| 870 | } |
| 871 | |
| 872 | if (tx_htinfo & BIT(4)) |
| 873 | rate->flags |= RATE_INFO_FLAGS_SHORT_GI; |
| 874 | |
| 875 | if ((priv->tx_rate >> 4) == 1) |
| 876 | rate->nss = 2; |
| 877 | else |
| 878 | rate->nss = 1; |
| 879 | } |
| 880 | } else { |
| 881 | /* |
| 882 | * Bit 0 in tx_htinfo indicates that current Tx rate |
| 883 | * is 11n rate. Valid MCS index values for us are 0 to 15. |
| 884 | */ |
| 885 | if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { |
| 886 | rate->mcs = priv->tx_rate; |
| 887 | rate->flags |= RATE_INFO_FLAGS_MCS; |
| 888 | if (tx_htinfo & BIT(1)) |
| 889 | rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; |
| 890 | if (tx_htinfo & BIT(2)) |
| 891 | rate->flags |= RATE_INFO_FLAGS_SHORT_GI; |
| 892 | } |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | * This function dumps the station information on a buffer. |
| 898 | * |
| 899 | * The following information are shown - |
| 900 | * - Total bytes transmitted |
| 901 | * - Total bytes received |
| 902 | * - Total packets transmitted |
| 903 | * - Total packets received |
| 904 | * - Signal quality level |
| 905 | * - Transmission rate |
| 906 | */ |
| 907 | static int |
| 908 | mwifiex_dump_station_info(struct mwifiex_private *priv, |
| 909 | struct station_info *sinfo) |
| 910 | { |
| 911 | u32 rate; |
| 912 | |
| 913 | sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | |
| 914 | BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | |
| 915 | BIT(NL80211_STA_INFO_TX_BITRATE) | |
| 916 | BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); |
| 917 | |
| 918 | /* Get signal information from the firmware */ |
| 919 | if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, |
| 920 | HostCmd_ACT_GEN_GET, 0, NULL, true)) { |
| 921 | dev_err(priv->adapter->dev, "failed to get signal information\n"); |
| 922 | return -EFAULT; |
| 923 | } |
| 924 | |
| 925 | if (mwifiex_drv_get_data_rate(priv, &rate)) { |
| 926 | dev_err(priv->adapter->dev, "getting data rate\n"); |
| 927 | return -EFAULT; |
| 928 | } |
| 929 | |
| 930 | /* Get DTIM period information from firmware */ |
| 931 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 932 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, |
| 933 | &priv->dtim_period, true); |
| 934 | |
| 935 | mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); |
| 936 | |
| 937 | sinfo->signal_avg = priv->bcn_rssi_avg; |
| 938 | sinfo->rx_bytes = priv->stats.rx_bytes; |
| 939 | sinfo->tx_bytes = priv->stats.tx_bytes; |
| 940 | sinfo->rx_packets = priv->stats.rx_packets; |
| 941 | sinfo->tx_packets = priv->stats.tx_packets; |
| 942 | sinfo->signal = priv->bcn_rssi_avg; |
| 943 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
| 944 | sinfo->txrate.legacy = rate * 5; |
| 945 | |
| 946 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
| 947 | sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); |
| 948 | sinfo->bss_param.flags = 0; |
| 949 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 950 | WLAN_CAPABILITY_SHORT_PREAMBLE) |
| 951 | sinfo->bss_param.flags |= |
| 952 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; |
| 953 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 954 | WLAN_CAPABILITY_SHORT_SLOT_TIME) |
| 955 | sinfo->bss_param.flags |= |
| 956 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; |
| 957 | sinfo->bss_param.dtim_period = priv->dtim_period; |
| 958 | sinfo->bss_param.beacon_interval = |
| 959 | priv->curr_bss_params.bss_descriptor.beacon_period; |
| 960 | } |
| 961 | |
| 962 | return 0; |
| 963 | } |
| 964 | |
| 965 | /* |
| 966 | * CFG802.11 operation handler to get station information. |
| 967 | * |
| 968 | * This function only works in connected mode, and dumps the |
| 969 | * requested station information, if available. |
| 970 | */ |
| 971 | static int |
| 972 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
| 973 | const u8 *mac, struct station_info *sinfo) |
| 974 | { |
| 975 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 976 | |
| 977 | if (!priv->media_connected) |
| 978 | return -ENOENT; |
| 979 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) |
| 980 | return -ENOENT; |
| 981 | |
| 982 | return mwifiex_dump_station_info(priv, sinfo); |
| 983 | } |
| 984 | |
| 985 | /* |
| 986 | * CFG802.11 operation handler to dump station information. |
| 987 | */ |
| 988 | static int |
| 989 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
| 990 | int idx, u8 *mac, struct station_info *sinfo) |
| 991 | { |
| 992 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 993 | |
| 994 | if (!priv->media_connected || idx) |
| 995 | return -ENOENT; |
| 996 | |
| 997 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); |
| 998 | |
| 999 | return mwifiex_dump_station_info(priv, sinfo); |
| 1000 | } |
| 1001 | |
| 1002 | static int |
| 1003 | mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
| 1004 | int idx, struct survey_info *survey) |
| 1005 | { |
| 1006 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1007 | struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; |
| 1008 | enum ieee80211_band band; |
| 1009 | |
| 1010 | dev_dbg(priv->adapter->dev, "dump_survey idx=%d\n", idx); |
| 1011 | |
| 1012 | memset(survey, 0, sizeof(struct survey_info)); |
| 1013 | |
| 1014 | if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && |
| 1015 | priv->media_connected && idx == 0) { |
| 1016 | u8 curr_bss_band = priv->curr_bss_params.band; |
| 1017 | u32 chan = priv->curr_bss_params.bss_descriptor.channel; |
| 1018 | |
| 1019 | band = mwifiex_band_to_radio_type(curr_bss_band); |
| 1020 | survey->channel = ieee80211_get_channel(wiphy, |
| 1021 | ieee80211_channel_to_frequency(chan, band)); |
| 1022 | |
| 1023 | if (priv->bcn_nf_last) { |
| 1024 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 1025 | survey->noise = priv->bcn_nf_last; |
| 1026 | } |
| 1027 | return 0; |
| 1028 | } |
| 1029 | |
| 1030 | if (idx >= priv->adapter->num_in_chan_stats) |
| 1031 | return -ENOENT; |
| 1032 | |
| 1033 | if (!pchan_stats[idx].cca_scan_dur) |
| 1034 | return 0; |
| 1035 | |
| 1036 | band = pchan_stats[idx].bandcfg; |
| 1037 | survey->channel = ieee80211_get_channel(wiphy, |
| 1038 | ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); |
| 1039 | survey->filled = SURVEY_INFO_NOISE_DBM | |
| 1040 | SURVEY_INFO_TIME | |
| 1041 | SURVEY_INFO_TIME_BUSY; |
| 1042 | survey->noise = pchan_stats[idx].noise; |
| 1043 | survey->time = pchan_stats[idx].cca_scan_dur; |
| 1044 | survey->time_busy = pchan_stats[idx].cca_busy_dur; |
| 1045 | |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | /* Supported rates to be advertised to the cfg80211 */ |
| 1050 | static struct ieee80211_rate mwifiex_rates[] = { |
| 1051 | {.bitrate = 10, .hw_value = 2, }, |
| 1052 | {.bitrate = 20, .hw_value = 4, }, |
| 1053 | {.bitrate = 55, .hw_value = 11, }, |
| 1054 | {.bitrate = 110, .hw_value = 22, }, |
| 1055 | {.bitrate = 60, .hw_value = 12, }, |
| 1056 | {.bitrate = 90, .hw_value = 18, }, |
| 1057 | {.bitrate = 120, .hw_value = 24, }, |
| 1058 | {.bitrate = 180, .hw_value = 36, }, |
| 1059 | {.bitrate = 240, .hw_value = 48, }, |
| 1060 | {.bitrate = 360, .hw_value = 72, }, |
| 1061 | {.bitrate = 480, .hw_value = 96, }, |
| 1062 | {.bitrate = 540, .hw_value = 108, }, |
| 1063 | }; |
| 1064 | |
| 1065 | /* Channel definitions to be advertised to cfg80211 */ |
| 1066 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { |
| 1067 | {.center_freq = 2412, .hw_value = 1, }, |
| 1068 | {.center_freq = 2417, .hw_value = 2, }, |
| 1069 | {.center_freq = 2422, .hw_value = 3, }, |
| 1070 | {.center_freq = 2427, .hw_value = 4, }, |
| 1071 | {.center_freq = 2432, .hw_value = 5, }, |
| 1072 | {.center_freq = 2437, .hw_value = 6, }, |
| 1073 | {.center_freq = 2442, .hw_value = 7, }, |
| 1074 | {.center_freq = 2447, .hw_value = 8, }, |
| 1075 | {.center_freq = 2452, .hw_value = 9, }, |
| 1076 | {.center_freq = 2457, .hw_value = 10, }, |
| 1077 | {.center_freq = 2462, .hw_value = 11, }, |
| 1078 | {.center_freq = 2467, .hw_value = 12, }, |
| 1079 | {.center_freq = 2472, .hw_value = 13, }, |
| 1080 | {.center_freq = 2484, .hw_value = 14, }, |
| 1081 | }; |
| 1082 | |
| 1083 | static struct ieee80211_supported_band mwifiex_band_2ghz = { |
| 1084 | .channels = mwifiex_channels_2ghz, |
| 1085 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), |
| 1086 | .bitrates = mwifiex_rates, |
| 1087 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
| 1088 | }; |
| 1089 | |
| 1090 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { |
| 1091 | {.center_freq = 5040, .hw_value = 8, }, |
| 1092 | {.center_freq = 5060, .hw_value = 12, }, |
| 1093 | {.center_freq = 5080, .hw_value = 16, }, |
| 1094 | {.center_freq = 5170, .hw_value = 34, }, |
| 1095 | {.center_freq = 5190, .hw_value = 38, }, |
| 1096 | {.center_freq = 5210, .hw_value = 42, }, |
| 1097 | {.center_freq = 5230, .hw_value = 46, }, |
| 1098 | {.center_freq = 5180, .hw_value = 36, }, |
| 1099 | {.center_freq = 5200, .hw_value = 40, }, |
| 1100 | {.center_freq = 5220, .hw_value = 44, }, |
| 1101 | {.center_freq = 5240, .hw_value = 48, }, |
| 1102 | {.center_freq = 5260, .hw_value = 52, }, |
| 1103 | {.center_freq = 5280, .hw_value = 56, }, |
| 1104 | {.center_freq = 5300, .hw_value = 60, }, |
| 1105 | {.center_freq = 5320, .hw_value = 64, }, |
| 1106 | {.center_freq = 5500, .hw_value = 100, }, |
| 1107 | {.center_freq = 5520, .hw_value = 104, }, |
| 1108 | {.center_freq = 5540, .hw_value = 108, }, |
| 1109 | {.center_freq = 5560, .hw_value = 112, }, |
| 1110 | {.center_freq = 5580, .hw_value = 116, }, |
| 1111 | {.center_freq = 5600, .hw_value = 120, }, |
| 1112 | {.center_freq = 5620, .hw_value = 124, }, |
| 1113 | {.center_freq = 5640, .hw_value = 128, }, |
| 1114 | {.center_freq = 5660, .hw_value = 132, }, |
| 1115 | {.center_freq = 5680, .hw_value = 136, }, |
| 1116 | {.center_freq = 5700, .hw_value = 140, }, |
| 1117 | {.center_freq = 5745, .hw_value = 149, }, |
| 1118 | {.center_freq = 5765, .hw_value = 153, }, |
| 1119 | {.center_freq = 5785, .hw_value = 157, }, |
| 1120 | {.center_freq = 5805, .hw_value = 161, }, |
| 1121 | {.center_freq = 5825, .hw_value = 165, }, |
| 1122 | }; |
| 1123 | |
| 1124 | static struct ieee80211_supported_band mwifiex_band_5ghz = { |
| 1125 | .channels = mwifiex_channels_5ghz, |
| 1126 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), |
| 1127 | .bitrates = mwifiex_rates + 4, |
| 1128 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, |
| 1129 | }; |
| 1130 | |
| 1131 | |
| 1132 | /* Supported crypto cipher suits to be advertised to cfg80211 */ |
| 1133 | static const u32 mwifiex_cipher_suites[] = { |
| 1134 | WLAN_CIPHER_SUITE_WEP40, |
| 1135 | WLAN_CIPHER_SUITE_WEP104, |
| 1136 | WLAN_CIPHER_SUITE_TKIP, |
| 1137 | WLAN_CIPHER_SUITE_CCMP, |
| 1138 | WLAN_CIPHER_SUITE_AES_CMAC, |
| 1139 | }; |
| 1140 | |
| 1141 | /* Supported mgmt frame types to be advertised to cfg80211 */ |
| 1142 | static const struct ieee80211_txrx_stypes |
| 1143 | mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { |
| 1144 | [NL80211_IFTYPE_STATION] = { |
| 1145 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1146 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1147 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1148 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1149 | }, |
| 1150 | [NL80211_IFTYPE_AP] = { |
| 1151 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1152 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1153 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1154 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1155 | }, |
| 1156 | [NL80211_IFTYPE_P2P_CLIENT] = { |
| 1157 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1158 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1159 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1160 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1161 | }, |
| 1162 | [NL80211_IFTYPE_P2P_GO] = { |
| 1163 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1164 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1165 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1166 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1167 | }, |
| 1168 | }; |
| 1169 | |
| 1170 | /* |
| 1171 | * CFG802.11 operation handler for setting bit rates. |
| 1172 | * |
| 1173 | * Function configures data rates to firmware using bitrate mask |
| 1174 | * provided by cfg80211. |
| 1175 | */ |
| 1176 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, |
| 1177 | struct net_device *dev, |
| 1178 | const u8 *peer, |
| 1179 | const struct cfg80211_bitrate_mask *mask) |
| 1180 | { |
| 1181 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1182 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
| 1183 | enum ieee80211_band band; |
| 1184 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1185 | |
| 1186 | if (!priv->media_connected) { |
| 1187 | dev_err(adapter->dev, |
| 1188 | "Can not set Tx data rate in disconnected state\n"); |
| 1189 | return -EINVAL; |
| 1190 | } |
| 1191 | |
| 1192 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 1193 | |
| 1194 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
| 1195 | |
| 1196 | /* Fill HR/DSSS rates. */ |
| 1197 | if (band == IEEE80211_BAND_2GHZ) |
| 1198 | bitmap_rates[0] = mask->control[band].legacy & 0x000f; |
| 1199 | |
| 1200 | /* Fill OFDM rates */ |
| 1201 | if (band == IEEE80211_BAND_2GHZ) |
| 1202 | bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; |
| 1203 | else |
| 1204 | bitmap_rates[1] = mask->control[band].legacy; |
| 1205 | |
| 1206 | /* Fill HT MCS rates */ |
| 1207 | bitmap_rates[2] = mask->control[band].ht_mcs[0]; |
| 1208 | if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) |
| 1209 | bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; |
| 1210 | |
| 1211 | /* Fill VHT MCS rates */ |
| 1212 | if (adapter->fw_api_ver == MWIFIEX_FW_V15) { |
| 1213 | bitmap_rates[10] = mask->control[band].vht_mcs[0]; |
| 1214 | if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) |
| 1215 | bitmap_rates[11] = mask->control[band].vht_mcs[1]; |
| 1216 | } |
| 1217 | |
| 1218 | return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, |
| 1219 | HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); |
| 1220 | } |
| 1221 | |
| 1222 | /* |
| 1223 | * CFG802.11 operation handler for connection quality monitoring. |
| 1224 | * |
| 1225 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI |
| 1226 | * events to FW. |
| 1227 | */ |
| 1228 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, |
| 1229 | struct net_device *dev, |
| 1230 | s32 rssi_thold, u32 rssi_hyst) |
| 1231 | { |
| 1232 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1233 | struct mwifiex_ds_misc_subsc_evt subsc_evt; |
| 1234 | |
| 1235 | priv->cqm_rssi_thold = rssi_thold; |
| 1236 | priv->cqm_rssi_hyst = rssi_hyst; |
| 1237 | |
| 1238 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); |
| 1239 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; |
| 1240 | |
| 1241 | /* Subscribe/unsubscribe low and high rssi events */ |
| 1242 | if (rssi_thold && rssi_hyst) { |
| 1243 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; |
| 1244 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); |
| 1245 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); |
| 1246 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; |
| 1247 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; |
| 1248 | return mwifiex_send_cmd(priv, |
| 1249 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1250 | 0, 0, &subsc_evt, true); |
| 1251 | } else { |
| 1252 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; |
| 1253 | return mwifiex_send_cmd(priv, |
| 1254 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1255 | 0, 0, &subsc_evt, true); |
| 1256 | } |
| 1257 | |
| 1258 | return 0; |
| 1259 | } |
| 1260 | |
| 1261 | /* cfg80211 operation handler for change_beacon. |
| 1262 | * Function retrieves and sets modified management IEs to FW. |
| 1263 | */ |
| 1264 | static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, |
| 1265 | struct net_device *dev, |
| 1266 | struct cfg80211_beacon_data *data) |
| 1267 | { |
| 1268 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1269 | |
| 1270 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { |
| 1271 | wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__); |
| 1272 | return -EINVAL; |
| 1273 | } |
| 1274 | |
| 1275 | if (!priv->bss_started) { |
| 1276 | wiphy_err(wiphy, "%s: bss not started\n", __func__); |
| 1277 | return -EINVAL; |
| 1278 | } |
| 1279 | |
| 1280 | if (mwifiex_set_mgmt_ies(priv, data)) { |
| 1281 | wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__); |
| 1282 | return -EFAULT; |
| 1283 | } |
| 1284 | |
| 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | /* cfg80211 operation handler for del_station. |
| 1289 | * Function deauthenticates station which value is provided in mac parameter. |
| 1290 | * If mac is NULL/broadcast, all stations in associated station list are |
| 1291 | * deauthenticated. If bss is not started or there are no stations in |
| 1292 | * associated stations list, no action is taken. |
| 1293 | */ |
| 1294 | static int |
| 1295 | mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, |
| 1296 | struct station_del_parameters *params) |
| 1297 | { |
| 1298 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1299 | struct mwifiex_sta_node *sta_node; |
| 1300 | u8 deauth_mac[ETH_ALEN]; |
| 1301 | unsigned long flags; |
| 1302 | |
| 1303 | if (list_empty(&priv->sta_list) || !priv->bss_started) |
| 1304 | return 0; |
| 1305 | |
| 1306 | if (!params->mac || is_broadcast_ether_addr(params->mac)) |
| 1307 | return 0; |
| 1308 | |
| 1309 | wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, params->mac); |
| 1310 | |
| 1311 | memset(deauth_mac, 0, ETH_ALEN); |
| 1312 | |
| 1313 | spin_lock_irqsave(&priv->sta_list_spinlock, flags); |
| 1314 | sta_node = mwifiex_get_sta_entry(priv, params->mac); |
| 1315 | if (sta_node) |
| 1316 | ether_addr_copy(deauth_mac, params->mac); |
| 1317 | spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); |
| 1318 | |
| 1319 | if (is_valid_ether_addr(deauth_mac)) { |
| 1320 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, |
| 1321 | HostCmd_ACT_GEN_SET, 0, |
| 1322 | deauth_mac, true)) |
| 1323 | return -1; |
| 1324 | } |
| 1325 | |
| 1326 | return 0; |
| 1327 | } |
| 1328 | |
| 1329 | static int |
| 1330 | mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
| 1331 | { |
| 1332 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 1333 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, |
| 1334 | MWIFIEX_BSS_ROLE_ANY); |
| 1335 | struct mwifiex_ds_ant_cfg ant_cfg; |
| 1336 | |
| 1337 | if (!tx_ant || !rx_ant) |
| 1338 | return -EOPNOTSUPP; |
| 1339 | |
| 1340 | if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { |
| 1341 | /* Not a MIMO chip. User should provide specific antenna number |
| 1342 | * for Tx/Rx path or enable all antennas for diversity |
| 1343 | */ |
| 1344 | if (tx_ant != rx_ant) |
| 1345 | return -EOPNOTSUPP; |
| 1346 | |
| 1347 | if ((tx_ant & (tx_ant - 1)) && |
| 1348 | (tx_ant != BIT(adapter->number_of_antenna) - 1)) |
| 1349 | return -EOPNOTSUPP; |
| 1350 | |
| 1351 | if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && |
| 1352 | (priv->adapter->number_of_antenna > 1)) { |
| 1353 | tx_ant = RF_ANTENNA_AUTO; |
| 1354 | rx_ant = RF_ANTENNA_AUTO; |
| 1355 | } |
| 1356 | } else { |
| 1357 | struct ieee80211_sta_ht_cap *ht_info; |
| 1358 | int rx_mcs_supp; |
| 1359 | enum ieee80211_band band; |
| 1360 | |
| 1361 | if ((tx_ant == 0x1 && rx_ant == 0x1)) { |
| 1362 | adapter->user_dev_mcs_support = HT_STREAM_1X1; |
| 1363 | if (adapter->is_hw_11ac_capable) |
| 1364 | adapter->usr_dot_11ac_mcs_support = |
| 1365 | MWIFIEX_11AC_MCS_MAP_1X1; |
| 1366 | } else { |
| 1367 | adapter->user_dev_mcs_support = HT_STREAM_2X2; |
| 1368 | if (adapter->is_hw_11ac_capable) |
| 1369 | adapter->usr_dot_11ac_mcs_support = |
| 1370 | MWIFIEX_11AC_MCS_MAP_2X2; |
| 1371 | } |
| 1372 | |
| 1373 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
| 1374 | if (!adapter->wiphy->bands[band]) |
| 1375 | continue; |
| 1376 | |
| 1377 | ht_info = &adapter->wiphy->bands[band]->ht_cap; |
| 1378 | rx_mcs_supp = |
| 1379 | GET_RXMCSSUPP(adapter->user_dev_mcs_support); |
| 1380 | memset(&ht_info->mcs, 0, adapter->number_of_antenna); |
| 1381 | memset(&ht_info->mcs, 0xff, rx_mcs_supp); |
| 1382 | } |
| 1383 | } |
| 1384 | |
| 1385 | ant_cfg.tx_ant = tx_ant; |
| 1386 | ant_cfg.rx_ant = rx_ant; |
| 1387 | |
| 1388 | return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, |
| 1389 | HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); |
| 1390 | } |
| 1391 | |
| 1392 | /* cfg80211 operation handler for stop ap. |
| 1393 | * Function stops BSS running at uAP interface. |
| 1394 | */ |
| 1395 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
| 1396 | { |
| 1397 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1398 | |
| 1399 | if (mwifiex_del_mgmt_ies(priv)) |
| 1400 | wiphy_err(wiphy, "Failed to delete mgmt IEs!\n"); |
| 1401 | |
| 1402 | priv->ap_11n_enabled = 0; |
| 1403 | |
| 1404 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 1405 | HostCmd_ACT_GEN_SET, 0, NULL, true)) { |
| 1406 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 1407 | return -1; |
| 1408 | } |
| 1409 | |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
| 1413 | /* cfg80211 operation handler for start_ap. |
| 1414 | * Function sets beacon period, DTIM period, SSID and security into |
| 1415 | * AP config structure. |
| 1416 | * AP is configured with these settings and BSS is started. |
| 1417 | */ |
| 1418 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, |
| 1419 | struct net_device *dev, |
| 1420 | struct cfg80211_ap_settings *params) |
| 1421 | { |
| 1422 | struct mwifiex_uap_bss_param *bss_cfg; |
| 1423 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1424 | u8 config_bands = 0; |
| 1425 | |
| 1426 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) |
| 1427 | return -1; |
| 1428 | if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) |
| 1429 | return -1; |
| 1430 | |
| 1431 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); |
| 1432 | if (!bss_cfg) |
| 1433 | return -ENOMEM; |
| 1434 | |
| 1435 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 1436 | |
| 1437 | if (params->beacon_interval) |
| 1438 | bss_cfg->beacon_period = params->beacon_interval; |
| 1439 | if (params->dtim_period) |
| 1440 | bss_cfg->dtim_period = params->dtim_period; |
| 1441 | |
| 1442 | if (params->ssid && params->ssid_len) { |
| 1443 | memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); |
| 1444 | bss_cfg->ssid.ssid_len = params->ssid_len; |
| 1445 | } |
| 1446 | |
| 1447 | switch (params->hidden_ssid) { |
| 1448 | case NL80211_HIDDEN_SSID_NOT_IN_USE: |
| 1449 | bss_cfg->bcast_ssid_ctl = 1; |
| 1450 | break; |
| 1451 | case NL80211_HIDDEN_SSID_ZERO_LEN: |
| 1452 | bss_cfg->bcast_ssid_ctl = 0; |
| 1453 | break; |
| 1454 | case NL80211_HIDDEN_SSID_ZERO_CONTENTS: |
| 1455 | /* firmware doesn't support this type of hidden SSID */ |
| 1456 | default: |
| 1457 | kfree(bss_cfg); |
| 1458 | return -EINVAL; |
| 1459 | } |
| 1460 | |
| 1461 | bss_cfg->channel = ieee80211_frequency_to_channel( |
| 1462 | params->chandef.chan->center_freq); |
| 1463 | |
| 1464 | /* Set appropriate bands */ |
| 1465 | if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) { |
| 1466 | bss_cfg->band_cfg = BAND_CONFIG_BG; |
| 1467 | config_bands = BAND_B | BAND_G; |
| 1468 | |
| 1469 | if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT) |
| 1470 | config_bands |= BAND_GN; |
| 1471 | } else { |
| 1472 | bss_cfg->band_cfg = BAND_CONFIG_A; |
| 1473 | config_bands = BAND_A; |
| 1474 | |
| 1475 | if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT) |
| 1476 | config_bands |= BAND_AN; |
| 1477 | |
| 1478 | if (params->chandef.width > NL80211_CHAN_WIDTH_40) |
| 1479 | config_bands |= BAND_AAC; |
| 1480 | } |
| 1481 | |
| 1482 | if (!((config_bands | priv->adapter->fw_bands) & |
| 1483 | ~priv->adapter->fw_bands)) |
| 1484 | priv->adapter->config_bands = config_bands; |
| 1485 | |
| 1486 | mwifiex_set_uap_rates(bss_cfg, params); |
| 1487 | mwifiex_send_domain_info_cmd_fw(wiphy); |
| 1488 | |
| 1489 | if (mwifiex_set_secure_params(priv, bss_cfg, params)) { |
| 1490 | kfree(bss_cfg); |
| 1491 | wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); |
| 1492 | return -1; |
| 1493 | } |
| 1494 | |
| 1495 | mwifiex_set_ht_params(priv, bss_cfg, params); |
| 1496 | |
| 1497 | if (priv->adapter->is_hw_11ac_capable) { |
| 1498 | mwifiex_set_vht_params(priv, bss_cfg, params); |
| 1499 | mwifiex_set_vht_width(priv, params->chandef.width, |
| 1500 | priv->ap_11ac_enabled); |
| 1501 | } |
| 1502 | |
| 1503 | if (priv->ap_11ac_enabled) |
| 1504 | mwifiex_set_11ac_ba_params(priv); |
| 1505 | else |
| 1506 | mwifiex_set_ba_params(priv); |
| 1507 | |
| 1508 | mwifiex_set_wmm_params(priv, bss_cfg, params); |
| 1509 | |
| 1510 | if (params->inactivity_timeout > 0) { |
| 1511 | /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ |
| 1512 | bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; |
| 1513 | bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; |
| 1514 | } |
| 1515 | |
| 1516 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 1517 | HostCmd_ACT_GEN_SET, 0, NULL, true)) { |
| 1518 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 1519 | kfree(bss_cfg); |
| 1520 | return -1; |
| 1521 | } |
| 1522 | |
| 1523 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, |
| 1524 | HostCmd_ACT_GEN_SET, |
| 1525 | UAP_BSS_PARAMS_I, bss_cfg, false)) { |
| 1526 | wiphy_err(wiphy, "Failed to set the SSID\n"); |
| 1527 | kfree(bss_cfg); |
| 1528 | return -1; |
| 1529 | } |
| 1530 | |
| 1531 | kfree(bss_cfg); |
| 1532 | |
| 1533 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, |
| 1534 | HostCmd_ACT_GEN_SET, 0, NULL, false)) { |
| 1535 | wiphy_err(wiphy, "Failed to start the BSS\n"); |
| 1536 | return -1; |
| 1537 | } |
| 1538 | |
| 1539 | if (priv->sec_info.wep_enabled) |
| 1540 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; |
| 1541 | else |
| 1542 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; |
| 1543 | |
| 1544 | if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, |
| 1545 | HostCmd_ACT_GEN_SET, 0, |
| 1546 | &priv->curr_pkt_filter, true)) |
| 1547 | return -1; |
| 1548 | |
| 1549 | return 0; |
| 1550 | } |
| 1551 | |
| 1552 | /* |
| 1553 | * CFG802.11 operation handler for disconnection request. |
| 1554 | * |
| 1555 | * This function does not work when there is already a disconnection |
| 1556 | * procedure going on. |
| 1557 | */ |
| 1558 | static int |
| 1559 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| 1560 | u16 reason_code) |
| 1561 | { |
| 1562 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1563 | |
| 1564 | if (mwifiex_deauthenticate(priv, NULL)) |
| 1565 | return -EFAULT; |
| 1566 | |
| 1567 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" |
| 1568 | " reason code %d\n", priv->cfg_bssid, reason_code); |
| 1569 | |
| 1570 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1571 | priv->hs2_enabled = false; |
| 1572 | |
| 1573 | return 0; |
| 1574 | } |
| 1575 | |
| 1576 | /* |
| 1577 | * This function informs the CFG802.11 subsystem of a new IBSS. |
| 1578 | * |
| 1579 | * The following information are sent to the CFG802.11 subsystem |
| 1580 | * to register the new IBSS. If we do not register the new IBSS, |
| 1581 | * a kernel panic will result. |
| 1582 | * - SSID |
| 1583 | * - SSID length |
| 1584 | * - BSSID |
| 1585 | * - Channel |
| 1586 | */ |
| 1587 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) |
| 1588 | { |
| 1589 | struct ieee80211_channel *chan; |
| 1590 | struct mwifiex_bss_info bss_info; |
| 1591 | struct cfg80211_bss *bss; |
| 1592 | int ie_len; |
| 1593 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
| 1594 | enum ieee80211_band band; |
| 1595 | |
| 1596 | if (mwifiex_get_bss_info(priv, &bss_info)) |
| 1597 | return -1; |
| 1598 | |
| 1599 | ie_buf[0] = WLAN_EID_SSID; |
| 1600 | ie_buf[1] = bss_info.ssid.ssid_len; |
| 1601 | |
| 1602 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], |
| 1603 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
| 1604 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
| 1605 | |
| 1606 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 1607 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
| 1608 | ieee80211_channel_to_frequency(bss_info.bss_chan, |
| 1609 | band)); |
| 1610 | |
| 1611 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
| 1612 | CFG80211_BSS_FTYPE_UNKNOWN, |
| 1613 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
| 1614 | 0, ie_buf, ie_len, 0, GFP_KERNEL); |
| 1615 | cfg80211_put_bss(priv->wdev->wiphy, bss); |
| 1616 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
| 1617 | |
| 1618 | return 0; |
| 1619 | } |
| 1620 | |
| 1621 | /* |
| 1622 | * This function connects with a BSS. |
| 1623 | * |
| 1624 | * This function handles both Infra and Ad-Hoc modes. It also performs |
| 1625 | * validity checking on the provided parameters, disconnects from the |
| 1626 | * current BSS (if any), sets up the association/scan parameters, |
| 1627 | * including security settings, and performs specific SSID scan before |
| 1628 | * trying to connect. |
| 1629 | * |
| 1630 | * For Infra mode, the function returns failure if the specified SSID |
| 1631 | * is not found in scan table. However, for Ad-Hoc mode, it can create |
| 1632 | * the IBSS if it does not exist. On successful completion in either case, |
| 1633 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
| 1634 | */ |
| 1635 | static int |
| 1636 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, |
| 1637 | const u8 *ssid, const u8 *bssid, int mode, |
| 1638 | struct ieee80211_channel *channel, |
| 1639 | struct cfg80211_connect_params *sme, bool privacy) |
| 1640 | { |
| 1641 | struct cfg80211_ssid req_ssid; |
| 1642 | int ret, auth_type = 0; |
| 1643 | struct cfg80211_bss *bss = NULL; |
| 1644 | u8 is_scanning_required = 0; |
| 1645 | |
| 1646 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
| 1647 | |
| 1648 | req_ssid.ssid_len = ssid_len; |
| 1649 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 1650 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); |
| 1651 | return -EINVAL; |
| 1652 | } |
| 1653 | |
| 1654 | memcpy(req_ssid.ssid, ssid, ssid_len); |
| 1655 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { |
| 1656 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); |
| 1657 | return -EINVAL; |
| 1658 | } |
| 1659 | |
| 1660 | /* As this is new association, clear locally stored |
| 1661 | * keys and security related flags */ |
| 1662 | priv->sec_info.wpa_enabled = false; |
| 1663 | priv->sec_info.wpa2_enabled = false; |
| 1664 | priv->wep_key_curr_index = 0; |
| 1665 | priv->sec_info.encryption_mode = 0; |
| 1666 | priv->sec_info.is_authtype_auto = 0; |
| 1667 | ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); |
| 1668 | |
| 1669 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 1670 | /* "privacy" is set only for ad-hoc mode */ |
| 1671 | if (privacy) { |
| 1672 | /* |
| 1673 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
| 1674 | * the firmware can find a matching network from the |
| 1675 | * scan. The cfg80211 does not give us the encryption |
| 1676 | * mode at this stage so just setting it to WEP here. |
| 1677 | */ |
| 1678 | priv->sec_info.encryption_mode = |
| 1679 | WLAN_CIPHER_SUITE_WEP104; |
| 1680 | priv->sec_info.authentication_mode = |
| 1681 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1682 | } |
| 1683 | |
| 1684 | goto done; |
| 1685 | } |
| 1686 | |
| 1687 | /* Now handle infra mode. "sme" is valid for infra mode only */ |
| 1688 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
| 1689 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1690 | priv->sec_info.is_authtype_auto = 1; |
| 1691 | } else { |
| 1692 | auth_type = sme->auth_type; |
| 1693 | } |
| 1694 | |
| 1695 | if (sme->crypto.n_ciphers_pairwise) { |
| 1696 | priv->sec_info.encryption_mode = |
| 1697 | sme->crypto.ciphers_pairwise[0]; |
| 1698 | priv->sec_info.authentication_mode = auth_type; |
| 1699 | } |
| 1700 | |
| 1701 | if (sme->crypto.cipher_group) { |
| 1702 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
| 1703 | priv->sec_info.authentication_mode = auth_type; |
| 1704 | } |
| 1705 | if (sme->ie) |
| 1706 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); |
| 1707 | |
| 1708 | if (sme->key) { |
| 1709 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
| 1710 | dev_dbg(priv->adapter->dev, |
| 1711 | "info: setting wep encryption" |
| 1712 | " with key len %d\n", sme->key_len); |
| 1713 | priv->wep_key_curr_index = sme->key_idx; |
| 1714 | ret = mwifiex_set_encode(priv, NULL, sme->key, |
| 1715 | sme->key_len, sme->key_idx, |
| 1716 | NULL, 0); |
| 1717 | } |
| 1718 | } |
| 1719 | done: |
| 1720 | /* |
| 1721 | * Scan entries are valid for some time (15 sec). So we can save one |
| 1722 | * active scan time if we just try cfg80211_get_bss first. If it fails |
| 1723 | * then request scan and cfg80211_get_bss() again for final output. |
| 1724 | */ |
| 1725 | while (1) { |
| 1726 | if (is_scanning_required) { |
| 1727 | /* Do specific SSID scanning */ |
| 1728 | if (mwifiex_request_scan(priv, &req_ssid)) { |
| 1729 | dev_err(priv->adapter->dev, "scan error\n"); |
| 1730 | return -EFAULT; |
| 1731 | } |
| 1732 | } |
| 1733 | |
| 1734 | /* Find the BSS we want using available scan results */ |
| 1735 | if (mode == NL80211_IFTYPE_ADHOC) |
| 1736 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, |
| 1737 | bssid, ssid, ssid_len, |
| 1738 | WLAN_CAPABILITY_IBSS, |
| 1739 | WLAN_CAPABILITY_IBSS); |
| 1740 | else |
| 1741 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, |
| 1742 | bssid, ssid, ssid_len, |
| 1743 | WLAN_CAPABILITY_ESS, |
| 1744 | WLAN_CAPABILITY_ESS); |
| 1745 | |
| 1746 | if (!bss) { |
| 1747 | if (is_scanning_required) { |
| 1748 | dev_warn(priv->adapter->dev, |
| 1749 | "assoc: requested bss not found in scan results\n"); |
| 1750 | break; |
| 1751 | } |
| 1752 | is_scanning_required = 1; |
| 1753 | } else { |
| 1754 | dev_dbg(priv->adapter->dev, |
| 1755 | "info: trying to associate to '%s' bssid %pM\n", |
| 1756 | (char *) req_ssid.ssid, bss->bssid); |
| 1757 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
| 1758 | break; |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | ret = mwifiex_bss_start(priv, bss, &req_ssid); |
| 1763 | if (ret) |
| 1764 | return ret; |
| 1765 | |
| 1766 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 1767 | /* Inform the BSS information to kernel, otherwise |
| 1768 | * kernel will give a panic after successful assoc */ |
| 1769 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) |
| 1770 | return -EFAULT; |
| 1771 | } |
| 1772 | |
| 1773 | return ret; |
| 1774 | } |
| 1775 | |
| 1776 | /* |
| 1777 | * CFG802.11 operation handler for association request. |
| 1778 | * |
| 1779 | * This function does not work when the current mode is set to Ad-Hoc, or |
| 1780 | * when there is already an association procedure going on. The given BSS |
| 1781 | * information is used to associate. |
| 1782 | */ |
| 1783 | static int |
| 1784 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| 1785 | struct cfg80211_connect_params *sme) |
| 1786 | { |
| 1787 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1788 | int ret; |
| 1789 | |
| 1790 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { |
| 1791 | wiphy_err(wiphy, |
| 1792 | "%s: reject infra assoc request in non-STA role\n", |
| 1793 | dev->name); |
| 1794 | return -EINVAL; |
| 1795 | } |
| 1796 | |
| 1797 | if (priv->wdev && priv->wdev->current_bss) { |
| 1798 | wiphy_warn(wiphy, "%s: already connected\n", dev->name); |
| 1799 | return -EALREADY; |
| 1800 | } |
| 1801 | |
| 1802 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
| 1803 | (char *) sme->ssid, sme->bssid); |
| 1804 | |
| 1805 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, |
| 1806 | priv->bss_mode, sme->channel, sme, 0); |
| 1807 | if (!ret) { |
| 1808 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, |
| 1809 | NULL, 0, WLAN_STATUS_SUCCESS, |
| 1810 | GFP_KERNEL); |
| 1811 | dev_dbg(priv->adapter->dev, |
| 1812 | "info: associated to bssid %pM successfully\n", |
| 1813 | priv->cfg_bssid); |
| 1814 | if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && |
| 1815 | priv->adapter->auto_tdls && |
| 1816 | priv->bss_type == MWIFIEX_BSS_TYPE_STA) |
| 1817 | mwifiex_setup_auto_tdls_timer(priv); |
| 1818 | } else { |
| 1819 | dev_dbg(priv->adapter->dev, |
| 1820 | "info: association to bssid %pM failed\n", |
| 1821 | priv->cfg_bssid); |
| 1822 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1823 | |
| 1824 | if (ret > 0) |
| 1825 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, |
| 1826 | NULL, 0, NULL, 0, ret, |
| 1827 | GFP_KERNEL); |
| 1828 | else |
| 1829 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, |
| 1830 | NULL, 0, NULL, 0, |
| 1831 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 1832 | GFP_KERNEL); |
| 1833 | } |
| 1834 | |
| 1835 | return 0; |
| 1836 | } |
| 1837 | |
| 1838 | /* |
| 1839 | * This function sets following parameters for ibss network. |
| 1840 | * - channel |
| 1841 | * - start band |
| 1842 | * - 11n flag |
| 1843 | * - secondary channel offset |
| 1844 | */ |
| 1845 | static int mwifiex_set_ibss_params(struct mwifiex_private *priv, |
| 1846 | struct cfg80211_ibss_params *params) |
| 1847 | { |
| 1848 | struct wiphy *wiphy = priv->wdev->wiphy; |
| 1849 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1850 | int index = 0, i; |
| 1851 | u8 config_bands = 0; |
| 1852 | |
| 1853 | if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) { |
| 1854 | if (!params->basic_rates) { |
| 1855 | config_bands = BAND_B | BAND_G; |
| 1856 | } else { |
| 1857 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { |
| 1858 | /* |
| 1859 | * Rates below 6 Mbps in the table are CCK |
| 1860 | * rates; 802.11b and from 6 they are OFDM; |
| 1861 | * 802.11G |
| 1862 | */ |
| 1863 | if (mwifiex_rates[i].bitrate == 60) { |
| 1864 | index = 1 << i; |
| 1865 | break; |
| 1866 | } |
| 1867 | } |
| 1868 | |
| 1869 | if (params->basic_rates < index) { |
| 1870 | config_bands = BAND_B; |
| 1871 | } else { |
| 1872 | config_bands = BAND_G; |
| 1873 | if (params->basic_rates % index) |
| 1874 | config_bands |= BAND_B; |
| 1875 | } |
| 1876 | } |
| 1877 | |
| 1878 | if (cfg80211_get_chandef_type(¶ms->chandef) != |
| 1879 | NL80211_CHAN_NO_HT) |
| 1880 | config_bands |= BAND_G | BAND_GN; |
| 1881 | } else { |
| 1882 | if (cfg80211_get_chandef_type(¶ms->chandef) == |
| 1883 | NL80211_CHAN_NO_HT) |
| 1884 | config_bands = BAND_A; |
| 1885 | else |
| 1886 | config_bands = BAND_AN | BAND_A; |
| 1887 | } |
| 1888 | |
| 1889 | if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { |
| 1890 | adapter->config_bands = config_bands; |
| 1891 | adapter->adhoc_start_band = config_bands; |
| 1892 | |
| 1893 | if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) |
| 1894 | adapter->adhoc_11n_enabled = true; |
| 1895 | else |
| 1896 | adapter->adhoc_11n_enabled = false; |
| 1897 | } |
| 1898 | |
| 1899 | adapter->sec_chan_offset = |
| 1900 | mwifiex_chan_type_to_sec_chan_offset( |
| 1901 | cfg80211_get_chandef_type(¶ms->chandef)); |
| 1902 | priv->adhoc_channel = ieee80211_frequency_to_channel( |
| 1903 | params->chandef.chan->center_freq); |
| 1904 | |
| 1905 | wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n", |
| 1906 | config_bands, priv->adhoc_channel, adapter->sec_chan_offset); |
| 1907 | |
| 1908 | return 0; |
| 1909 | } |
| 1910 | |
| 1911 | /* |
| 1912 | * CFG802.11 operation handler to join an IBSS. |
| 1913 | * |
| 1914 | * This function does not work in any mode other than Ad-Hoc, or if |
| 1915 | * a join operation is already in progress. |
| 1916 | */ |
| 1917 | static int |
| 1918 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| 1919 | struct cfg80211_ibss_params *params) |
| 1920 | { |
| 1921 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1922 | int ret = 0; |
| 1923 | |
| 1924 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
| 1925 | wiphy_err(wiphy, "request to join ibss received " |
| 1926 | "when station is not in ibss mode\n"); |
| 1927 | goto done; |
| 1928 | } |
| 1929 | |
| 1930 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
| 1931 | (char *) params->ssid, params->bssid); |
| 1932 | |
| 1933 | mwifiex_set_ibss_params(priv, params); |
| 1934 | |
| 1935 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, |
| 1936 | params->bssid, priv->bss_mode, |
| 1937 | params->chandef.chan, NULL, |
| 1938 | params->privacy); |
| 1939 | done: |
| 1940 | if (!ret) { |
| 1941 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, |
| 1942 | params->chandef.chan, GFP_KERNEL); |
| 1943 | dev_dbg(priv->adapter->dev, |
| 1944 | "info: joined/created adhoc network with bssid" |
| 1945 | " %pM successfully\n", priv->cfg_bssid); |
| 1946 | } else { |
| 1947 | dev_dbg(priv->adapter->dev, |
| 1948 | "info: failed creating/joining adhoc network\n"); |
| 1949 | } |
| 1950 | |
| 1951 | return ret; |
| 1952 | } |
| 1953 | |
| 1954 | /* |
| 1955 | * CFG802.11 operation handler to leave an IBSS. |
| 1956 | * |
| 1957 | * This function does not work if a leave operation is |
| 1958 | * already in progress. |
| 1959 | */ |
| 1960 | static int |
| 1961 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| 1962 | { |
| 1963 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1964 | |
| 1965 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
| 1966 | priv->cfg_bssid); |
| 1967 | if (mwifiex_deauthenticate(priv, NULL)) |
| 1968 | return -EFAULT; |
| 1969 | |
| 1970 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1971 | |
| 1972 | return 0; |
| 1973 | } |
| 1974 | |
| 1975 | /* |
| 1976 | * CFG802.11 operation handler for scan request. |
| 1977 | * |
| 1978 | * This function issues a scan request to the firmware based upon |
| 1979 | * the user specified scan configuration. On successfull completion, |
| 1980 | * it also informs the results. |
| 1981 | */ |
| 1982 | static int |
| 1983 | mwifiex_cfg80211_scan(struct wiphy *wiphy, |
| 1984 | struct cfg80211_scan_request *request) |
| 1985 | { |
| 1986 | struct net_device *dev = request->wdev->netdev; |
| 1987 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1988 | int i, offset, ret; |
| 1989 | struct ieee80211_channel *chan; |
| 1990 | struct ieee_types_header *ie; |
| 1991 | struct mwifiex_user_scan_cfg *user_scan_cfg; |
| 1992 | |
| 1993 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); |
| 1994 | |
| 1995 | /* Block scan request if scan operation or scan cleanup when interface |
| 1996 | * is disabled is in process |
| 1997 | */ |
| 1998 | if (priv->scan_request || priv->scan_aborting) { |
| 1999 | dev_err(priv->adapter->dev, "cmd: Scan already in process..\n"); |
| 2000 | return -EBUSY; |
| 2001 | } |
| 2002 | |
| 2003 | user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); |
| 2004 | if (!user_scan_cfg) |
| 2005 | return -ENOMEM; |
| 2006 | |
| 2007 | priv->scan_request = request; |
| 2008 | |
| 2009 | user_scan_cfg->num_ssids = request->n_ssids; |
| 2010 | user_scan_cfg->ssid_list = request->ssids; |
| 2011 | |
| 2012 | if (request->ie && request->ie_len) { |
| 2013 | offset = 0; |
| 2014 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 2015 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) |
| 2016 | continue; |
| 2017 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; |
| 2018 | ie = (struct ieee_types_header *)(request->ie + offset); |
| 2019 | memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); |
| 2020 | offset += sizeof(*ie) + ie->len; |
| 2021 | |
| 2022 | if (offset >= request->ie_len) |
| 2023 | break; |
| 2024 | } |
| 2025 | } |
| 2026 | |
| 2027 | for (i = 0; i < min_t(u32, request->n_channels, |
| 2028 | MWIFIEX_USER_SCAN_CHAN_MAX); i++) { |
| 2029 | chan = request->channels[i]; |
| 2030 | user_scan_cfg->chan_list[i].chan_number = chan->hw_value; |
| 2031 | user_scan_cfg->chan_list[i].radio_type = chan->band; |
| 2032 | |
| 2033 | if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) |
| 2034 | user_scan_cfg->chan_list[i].scan_type = |
| 2035 | MWIFIEX_SCAN_TYPE_PASSIVE; |
| 2036 | else |
| 2037 | user_scan_cfg->chan_list[i].scan_type = |
| 2038 | MWIFIEX_SCAN_TYPE_ACTIVE; |
| 2039 | |
| 2040 | user_scan_cfg->chan_list[i].scan_time = 0; |
| 2041 | } |
| 2042 | |
| 2043 | if (priv->adapter->scan_chan_gap_enabled && |
| 2044 | mwifiex_is_any_intf_active(priv)) |
| 2045 | user_scan_cfg->scan_chan_gap = |
| 2046 | priv->adapter->scan_chan_gap_time; |
| 2047 | |
| 2048 | ret = mwifiex_scan_networks(priv, user_scan_cfg); |
| 2049 | kfree(user_scan_cfg); |
| 2050 | if (ret) { |
| 2051 | dev_err(priv->adapter->dev, "scan failed: %d\n", ret); |
| 2052 | priv->scan_aborting = false; |
| 2053 | priv->scan_request = NULL; |
| 2054 | return ret; |
| 2055 | } |
| 2056 | |
| 2057 | if (request->ie && request->ie_len) { |
| 2058 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 2059 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { |
| 2060 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; |
| 2061 | memset(&priv->vs_ie[i].ie, 0, |
| 2062 | MWIFIEX_MAX_VSIE_LEN); |
| 2063 | } |
| 2064 | } |
| 2065 | } |
| 2066 | return 0; |
| 2067 | } |
| 2068 | |
| 2069 | static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, |
| 2070 | struct mwifiex_private *priv) |
| 2071 | { |
| 2072 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2073 | |
| 2074 | vht_info->vht_supported = true; |
| 2075 | |
| 2076 | vht_info->cap = adapter->hw_dot_11ac_dev_cap; |
| 2077 | /* Update MCS support for VHT */ |
| 2078 | vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( |
| 2079 | adapter->hw_dot_11ac_mcs_support & 0xFFFF); |
| 2080 | vht_info->vht_mcs.rx_highest = 0; |
| 2081 | vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( |
| 2082 | adapter->hw_dot_11ac_mcs_support >> 16); |
| 2083 | vht_info->vht_mcs.tx_highest = 0; |
| 2084 | } |
| 2085 | |
| 2086 | /* |
| 2087 | * This function sets up the CFG802.11 specific HT capability fields |
| 2088 | * with default values. |
| 2089 | * |
| 2090 | * The following default values are set - |
| 2091 | * - HT Supported = True |
| 2092 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
| 2093 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE |
| 2094 | * - HT Capabilities supported by firmware |
| 2095 | * - MCS information, Rx mask = 0xff |
| 2096 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) |
| 2097 | */ |
| 2098 | static void |
| 2099 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, |
| 2100 | struct mwifiex_private *priv) |
| 2101 | { |
| 2102 | int rx_mcs_supp; |
| 2103 | struct ieee80211_mcs_info mcs_set; |
| 2104 | u8 *mcs = (u8 *)&mcs_set; |
| 2105 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2106 | |
| 2107 | ht_info->ht_supported = true; |
| 2108 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 2109 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; |
| 2110 | |
| 2111 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
| 2112 | |
| 2113 | /* Fill HT capability information */ |
| 2114 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 2115 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 2116 | else |
| 2117 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 2118 | |
| 2119 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) |
| 2120 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 2121 | else |
| 2122 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; |
| 2123 | |
| 2124 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) |
| 2125 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 2126 | else |
| 2127 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; |
| 2128 | |
| 2129 | if (adapter->user_dev_mcs_support == HT_STREAM_2X2) |
| 2130 | ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT; |
| 2131 | else |
| 2132 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; |
| 2133 | |
| 2134 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) |
| 2135 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; |
| 2136 | else |
| 2137 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; |
| 2138 | |
| 2139 | if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) |
| 2140 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| 2141 | else |
| 2142 | ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; |
| 2143 | |
| 2144 | if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) |
| 2145 | ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; |
| 2146 | else |
| 2147 | ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; |
| 2148 | |
| 2149 | if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) |
| 2150 | ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; |
| 2151 | else |
| 2152 | ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; |
| 2153 | |
| 2154 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; |
| 2155 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; |
| 2156 | |
| 2157 | rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); |
| 2158 | /* Set MCS for 1x1/2x2 */ |
| 2159 | memset(mcs, 0xff, rx_mcs_supp); |
| 2160 | /* Clear all the other values */ |
| 2161 | memset(&mcs[rx_mcs_supp], 0, |
| 2162 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
| 2163 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
| 2164 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 2165 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
| 2166 | SETHT_MCS32(mcs_set.rx_mask); |
| 2167 | |
| 2168 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); |
| 2169 | |
| 2170 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| 2171 | } |
| 2172 | |
| 2173 | /* |
| 2174 | * create a new virtual interface with the given name |
| 2175 | */ |
| 2176 | struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, |
| 2177 | const char *name, |
| 2178 | enum nl80211_iftype type, |
| 2179 | u32 *flags, |
| 2180 | struct vif_params *params) |
| 2181 | { |
| 2182 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 2183 | struct mwifiex_private *priv; |
| 2184 | struct net_device *dev; |
| 2185 | void *mdev_priv; |
| 2186 | struct wireless_dev *wdev; |
| 2187 | |
| 2188 | if (!adapter) |
| 2189 | return ERR_PTR(-EFAULT); |
| 2190 | |
| 2191 | switch (type) { |
| 2192 | case NL80211_IFTYPE_UNSPECIFIED: |
| 2193 | case NL80211_IFTYPE_STATION: |
| 2194 | case NL80211_IFTYPE_ADHOC: |
| 2195 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
| 2196 | if (priv->bss_mode) { |
| 2197 | wiphy_err(wiphy, |
| 2198 | "cannot create multiple sta/adhoc ifaces\n"); |
| 2199 | return ERR_PTR(-EINVAL); |
| 2200 | } |
| 2201 | |
| 2202 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 2203 | if (!wdev) |
| 2204 | return ERR_PTR(-ENOMEM); |
| 2205 | |
| 2206 | wdev->wiphy = wiphy; |
| 2207 | priv->wdev = wdev; |
| 2208 | wdev->iftype = NL80211_IFTYPE_STATION; |
| 2209 | |
| 2210 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
| 2211 | priv->bss_mode = NL80211_IFTYPE_STATION; |
| 2212 | else |
| 2213 | priv->bss_mode = type; |
| 2214 | |
| 2215 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; |
| 2216 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2217 | priv->bss_priority = 0; |
| 2218 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 2219 | priv->bss_num = 0; |
| 2220 | |
| 2221 | break; |
| 2222 | case NL80211_IFTYPE_AP: |
| 2223 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; |
| 2224 | |
| 2225 | if (priv->bss_mode) { |
| 2226 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); |
| 2227 | return ERR_PTR(-EINVAL); |
| 2228 | } |
| 2229 | |
| 2230 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 2231 | if (!wdev) |
| 2232 | return ERR_PTR(-ENOMEM); |
| 2233 | |
| 2234 | priv->wdev = wdev; |
| 2235 | wdev->wiphy = wiphy; |
| 2236 | wdev->iftype = NL80211_IFTYPE_AP; |
| 2237 | |
| 2238 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; |
| 2239 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2240 | priv->bss_priority = 0; |
| 2241 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; |
| 2242 | priv->bss_started = 0; |
| 2243 | priv->bss_num = 0; |
| 2244 | priv->bss_mode = type; |
| 2245 | |
| 2246 | break; |
| 2247 | case NL80211_IFTYPE_P2P_CLIENT: |
| 2248 | priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P]; |
| 2249 | |
| 2250 | if (priv->bss_mode) { |
| 2251 | wiphy_err(wiphy, "Can't create multiple P2P ifaces"); |
| 2252 | return ERR_PTR(-EINVAL); |
| 2253 | } |
| 2254 | |
| 2255 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 2256 | if (!wdev) |
| 2257 | return ERR_PTR(-ENOMEM); |
| 2258 | |
| 2259 | priv->wdev = wdev; |
| 2260 | wdev->wiphy = wiphy; |
| 2261 | |
| 2262 | /* At start-up, wpa_supplicant tries to change the interface |
| 2263 | * to NL80211_IFTYPE_STATION if it is not managed mode. |
| 2264 | */ |
| 2265 | wdev->iftype = NL80211_IFTYPE_P2P_CLIENT; |
| 2266 | priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; |
| 2267 | |
| 2268 | /* Setting bss_type to P2P tells firmware that this interface |
| 2269 | * is receiving P2P peers found during find phase and doing |
| 2270 | * action frame handshake. |
| 2271 | */ |
| 2272 | priv->bss_type = MWIFIEX_BSS_TYPE_P2P; |
| 2273 | |
| 2274 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2275 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
| 2276 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 2277 | priv->bss_started = 0; |
| 2278 | priv->bss_num = 0; |
| 2279 | |
| 2280 | if (mwifiex_cfg80211_init_p2p_client(priv)) { |
| 2281 | wdev = ERR_PTR(-EFAULT); |
| 2282 | goto done; |
| 2283 | } |
| 2284 | |
| 2285 | break; |
| 2286 | default: |
| 2287 | wiphy_err(wiphy, "type not supported\n"); |
| 2288 | return ERR_PTR(-EINVAL); |
| 2289 | } |
| 2290 | |
| 2291 | dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, |
| 2292 | NET_NAME_UNKNOWN, ether_setup, |
| 2293 | IEEE80211_NUM_ACS, 1); |
| 2294 | if (!dev) { |
| 2295 | wiphy_err(wiphy, "no memory available for netdevice\n"); |
| 2296 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2297 | wdev = ERR_PTR(-ENOMEM); |
| 2298 | goto done; |
| 2299 | } |
| 2300 | |
| 2301 | mwifiex_init_priv_params(priv, dev); |
| 2302 | priv->netdev = dev; |
| 2303 | |
| 2304 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); |
| 2305 | if (adapter->is_hw_11ac_capable) |
| 2306 | mwifiex_setup_vht_caps( |
| 2307 | &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv); |
| 2308 | |
| 2309 | if (adapter->config_bands & BAND_A) |
| 2310 | mwifiex_setup_ht_caps( |
| 2311 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); |
| 2312 | |
| 2313 | if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) |
| 2314 | mwifiex_setup_vht_caps( |
| 2315 | &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv); |
| 2316 | |
| 2317 | dev_net_set(dev, wiphy_net(wiphy)); |
| 2318 | dev->ieee80211_ptr = priv->wdev; |
| 2319 | dev->ieee80211_ptr->iftype = priv->bss_mode; |
| 2320 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); |
| 2321 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); |
| 2322 | |
| 2323 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
| 2324 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; |
| 2325 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; |
| 2326 | dev->ethtool_ops = &mwifiex_ethtool_ops; |
| 2327 | |
| 2328 | mdev_priv = netdev_priv(dev); |
| 2329 | *((unsigned long *) mdev_priv) = (unsigned long) priv; |
| 2330 | |
| 2331 | SET_NETDEV_DEV(dev, adapter->dev); |
| 2332 | |
| 2333 | /* Register network device */ |
| 2334 | if (register_netdevice(dev)) { |
| 2335 | wiphy_err(wiphy, "cannot register virtual network device\n"); |
| 2336 | free_netdev(dev); |
| 2337 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2338 | priv->netdev = NULL; |
| 2339 | wdev = ERR_PTR(-EFAULT); |
| 2340 | goto done; |
| 2341 | } |
| 2342 | |
| 2343 | sema_init(&priv->async_sem, 1); |
| 2344 | |
| 2345 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); |
| 2346 | |
| 2347 | #ifdef CONFIG_DEBUG_FS |
| 2348 | mwifiex_dev_debugfs_init(priv); |
| 2349 | #endif |
| 2350 | |
| 2351 | done: |
| 2352 | if (IS_ERR(wdev)) { |
| 2353 | kfree(priv->wdev); |
| 2354 | priv->wdev = NULL; |
| 2355 | } |
| 2356 | |
| 2357 | return wdev; |
| 2358 | } |
| 2359 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); |
| 2360 | |
| 2361 | /* |
| 2362 | * del_virtual_intf: remove the virtual interface determined by dev |
| 2363 | */ |
| 2364 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
| 2365 | { |
| 2366 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 2367 | |
| 2368 | #ifdef CONFIG_DEBUG_FS |
| 2369 | mwifiex_dev_debugfs_remove(priv); |
| 2370 | #endif |
| 2371 | |
| 2372 | mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); |
| 2373 | |
| 2374 | if (netif_carrier_ok(priv->netdev)) |
| 2375 | netif_carrier_off(priv->netdev); |
| 2376 | |
| 2377 | if (wdev->netdev->reg_state == NETREG_REGISTERED) |
| 2378 | unregister_netdevice(wdev->netdev); |
| 2379 | |
| 2380 | /* Clear the priv in adapter */ |
| 2381 | priv->netdev->ieee80211_ptr = NULL; |
| 2382 | priv->netdev = NULL; |
| 2383 | kfree(wdev); |
| 2384 | priv->wdev = NULL; |
| 2385 | |
| 2386 | priv->media_connected = false; |
| 2387 | |
| 2388 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2389 | |
| 2390 | return 0; |
| 2391 | } |
| 2392 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); |
| 2393 | |
| 2394 | static bool |
| 2395 | mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, |
| 2396 | u8 max_byte_seq) |
| 2397 | { |
| 2398 | int j, k, valid_byte_cnt = 0; |
| 2399 | bool dont_care_byte = false; |
| 2400 | |
| 2401 | for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { |
| 2402 | for (k = 0; k < 8; k++) { |
| 2403 | if (pat->mask[j] & 1 << k) { |
| 2404 | memcpy(byte_seq + valid_byte_cnt, |
| 2405 | &pat->pattern[j * 8 + k], 1); |
| 2406 | valid_byte_cnt++; |
| 2407 | if (dont_care_byte) |
| 2408 | return false; |
| 2409 | } else { |
| 2410 | if (valid_byte_cnt) |
| 2411 | dont_care_byte = true; |
| 2412 | } |
| 2413 | |
| 2414 | if (valid_byte_cnt > max_byte_seq) |
| 2415 | return false; |
| 2416 | } |
| 2417 | } |
| 2418 | |
| 2419 | byte_seq[max_byte_seq] = valid_byte_cnt; |
| 2420 | |
| 2421 | return true; |
| 2422 | } |
| 2423 | |
| 2424 | #ifdef CONFIG_PM |
| 2425 | static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, |
| 2426 | struct cfg80211_wowlan *wowlan) |
| 2427 | { |
| 2428 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 2429 | struct mwifiex_ds_mef_cfg mef_cfg; |
| 2430 | struct mwifiex_mef_entry *mef_entry; |
| 2431 | int i, filt_num = 0, ret; |
| 2432 | bool first_pat = true; |
| 2433 | u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; |
| 2434 | const u8 ipv4_mc_mac[] = {0x33, 0x33}; |
| 2435 | const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; |
| 2436 | struct mwifiex_private *priv = |
| 2437 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
| 2438 | |
| 2439 | if (!wowlan) { |
| 2440 | dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n"); |
| 2441 | return 0; |
| 2442 | } |
| 2443 | |
| 2444 | if (!priv->media_connected) { |
| 2445 | dev_warn(adapter->dev, |
| 2446 | "Can not configure WOWLAN in disconnected state\n"); |
| 2447 | return 0; |
| 2448 | } |
| 2449 | |
| 2450 | mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL); |
| 2451 | if (!mef_entry) |
| 2452 | return -ENOMEM; |
| 2453 | |
| 2454 | memset(&mef_cfg, 0, sizeof(mef_cfg)); |
| 2455 | mef_cfg.num_entries = 1; |
| 2456 | mef_cfg.mef_entry = mef_entry; |
| 2457 | mef_entry->mode = MEF_MODE_HOST_SLEEP; |
| 2458 | mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; |
| 2459 | |
| 2460 | for (i = 0; i < wowlan->n_patterns; i++) { |
| 2461 | memset(byte_seq, 0, sizeof(byte_seq)); |
| 2462 | if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], |
| 2463 | byte_seq, |
| 2464 | MWIFIEX_MEF_MAX_BYTESEQ)) { |
| 2465 | wiphy_err(wiphy, "Pattern not supported\n"); |
| 2466 | kfree(mef_entry); |
| 2467 | return -EOPNOTSUPP; |
| 2468 | } |
| 2469 | |
| 2470 | if (!wowlan->patterns[i].pkt_offset) { |
| 2471 | if (!(byte_seq[0] & 0x01) && |
| 2472 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { |
| 2473 | mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST; |
| 2474 | continue; |
| 2475 | } else if (is_broadcast_ether_addr(byte_seq)) { |
| 2476 | mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST; |
| 2477 | continue; |
| 2478 | } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && |
| 2479 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || |
| 2480 | (!memcmp(byte_seq, ipv6_mc_mac, 3) && |
| 2481 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { |
| 2482 | mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST; |
| 2483 | continue; |
| 2484 | } |
| 2485 | } |
| 2486 | |
| 2487 | mef_entry->filter[filt_num].repeat = 1; |
| 2488 | mef_entry->filter[filt_num].offset = |
| 2489 | wowlan->patterns[i].pkt_offset; |
| 2490 | memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, |
| 2491 | sizeof(byte_seq)); |
| 2492 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 2493 | |
| 2494 | if (first_pat) |
| 2495 | first_pat = false; |
| 2496 | else |
| 2497 | mef_entry->filter[filt_num].filt_action = TYPE_AND; |
| 2498 | |
| 2499 | filt_num++; |
| 2500 | } |
| 2501 | |
| 2502 | if (wowlan->magic_pkt) { |
| 2503 | mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST; |
| 2504 | mef_entry->filter[filt_num].repeat = 16; |
| 2505 | memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, |
| 2506 | ETH_ALEN); |
| 2507 | mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = |
| 2508 | ETH_ALEN; |
| 2509 | mef_entry->filter[filt_num].offset = 28; |
| 2510 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 2511 | if (filt_num) |
| 2512 | mef_entry->filter[filt_num].filt_action = TYPE_OR; |
| 2513 | |
| 2514 | filt_num++; |
| 2515 | mef_entry->filter[filt_num].repeat = 16; |
| 2516 | memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, |
| 2517 | ETH_ALEN); |
| 2518 | mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = |
| 2519 | ETH_ALEN; |
| 2520 | mef_entry->filter[filt_num].offset = 56; |
| 2521 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 2522 | mef_entry->filter[filt_num].filt_action = TYPE_OR; |
| 2523 | } |
| 2524 | |
| 2525 | if (!mef_cfg.criteria) |
| 2526 | mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | |
| 2527 | MWIFIEX_CRITERIA_UNICAST | |
| 2528 | MWIFIEX_CRITERIA_MULTICAST; |
| 2529 | |
| 2530 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, |
| 2531 | HostCmd_ACT_GEN_SET, 0, &mef_cfg, true); |
| 2532 | |
| 2533 | kfree(mef_entry); |
| 2534 | return ret; |
| 2535 | } |
| 2536 | |
| 2537 | static int mwifiex_cfg80211_resume(struct wiphy *wiphy) |
| 2538 | { |
| 2539 | return 0; |
| 2540 | } |
| 2541 | |
| 2542 | static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, |
| 2543 | bool enabled) |
| 2544 | { |
| 2545 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 2546 | |
| 2547 | device_set_wakeup_enable(adapter->dev, enabled); |
| 2548 | } |
| 2549 | #endif |
| 2550 | |
| 2551 | static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) |
| 2552 | { |
| 2553 | const u8 ipv4_mc_mac[] = {0x33, 0x33}; |
| 2554 | const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; |
| 2555 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; |
| 2556 | |
| 2557 | if ((byte_seq[0] & 0x01) && |
| 2558 | (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) |
| 2559 | return PACKET_TYPE_UNICAST; |
| 2560 | else if (!memcmp(byte_seq, bc_mac, 4)) |
| 2561 | return PACKET_TYPE_BROADCAST; |
| 2562 | else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && |
| 2563 | byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || |
| 2564 | (!memcmp(byte_seq, ipv6_mc_mac, 3) && |
| 2565 | byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) |
| 2566 | return PACKET_TYPE_MULTICAST; |
| 2567 | |
| 2568 | return 0; |
| 2569 | } |
| 2570 | |
| 2571 | static int |
| 2572 | mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, |
| 2573 | struct cfg80211_coalesce_rules *crule, |
| 2574 | struct mwifiex_coalesce_rule *mrule) |
| 2575 | { |
| 2576 | u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; |
| 2577 | struct filt_field_param *param; |
| 2578 | int i; |
| 2579 | |
| 2580 | mrule->max_coalescing_delay = crule->delay; |
| 2581 | |
| 2582 | param = mrule->params; |
| 2583 | |
| 2584 | for (i = 0; i < crule->n_patterns; i++) { |
| 2585 | memset(byte_seq, 0, sizeof(byte_seq)); |
| 2586 | if (!mwifiex_is_pattern_supported(&crule->patterns[i], |
| 2587 | byte_seq, |
| 2588 | MWIFIEX_COALESCE_MAX_BYTESEQ)) { |
| 2589 | dev_err(priv->adapter->dev, "Pattern not supported\n"); |
| 2590 | return -EOPNOTSUPP; |
| 2591 | } |
| 2592 | |
| 2593 | if (!crule->patterns[i].pkt_offset) { |
| 2594 | u8 pkt_type; |
| 2595 | |
| 2596 | pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); |
| 2597 | if (pkt_type && mrule->pkt_type) { |
| 2598 | dev_err(priv->adapter->dev, |
| 2599 | "Multiple packet types not allowed\n"); |
| 2600 | return -EOPNOTSUPP; |
| 2601 | } else if (pkt_type) { |
| 2602 | mrule->pkt_type = pkt_type; |
| 2603 | continue; |
| 2604 | } |
| 2605 | } |
| 2606 | |
| 2607 | if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) |
| 2608 | param->operation = RECV_FILTER_MATCH_TYPE_EQ; |
| 2609 | else |
| 2610 | param->operation = RECV_FILTER_MATCH_TYPE_NE; |
| 2611 | |
| 2612 | param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; |
| 2613 | memcpy(param->operand_byte_stream, byte_seq, |
| 2614 | param->operand_len); |
| 2615 | param->offset = crule->patterns[i].pkt_offset; |
| 2616 | param++; |
| 2617 | |
| 2618 | mrule->num_of_fields++; |
| 2619 | } |
| 2620 | |
| 2621 | if (!mrule->pkt_type) { |
| 2622 | dev_err(priv->adapter->dev, |
| 2623 | "Packet type can not be determined\n"); |
| 2624 | return -EOPNOTSUPP; |
| 2625 | } |
| 2626 | |
| 2627 | return 0; |
| 2628 | } |
| 2629 | |
| 2630 | static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, |
| 2631 | struct cfg80211_coalesce *coalesce) |
| 2632 | { |
| 2633 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 2634 | int i, ret; |
| 2635 | struct mwifiex_ds_coalesce_cfg coalesce_cfg; |
| 2636 | struct mwifiex_private *priv = |
| 2637 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
| 2638 | |
| 2639 | memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); |
| 2640 | if (!coalesce) { |
| 2641 | dev_dbg(adapter->dev, |
| 2642 | "Disable coalesce and reset all previous rules\n"); |
| 2643 | return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, |
| 2644 | HostCmd_ACT_GEN_SET, 0, |
| 2645 | &coalesce_cfg, true); |
| 2646 | } |
| 2647 | |
| 2648 | coalesce_cfg.num_of_rules = coalesce->n_rules; |
| 2649 | for (i = 0; i < coalesce->n_rules; i++) { |
| 2650 | ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], |
| 2651 | &coalesce_cfg.rule[i]); |
| 2652 | if (ret) { |
| 2653 | dev_err(priv->adapter->dev, |
| 2654 | "Recheck the patterns provided for rule %d\n", |
| 2655 | i + 1); |
| 2656 | return ret; |
| 2657 | } |
| 2658 | } |
| 2659 | |
| 2660 | return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, |
| 2661 | HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); |
| 2662 | } |
| 2663 | |
| 2664 | /* cfg80211 ops handler for tdls_mgmt. |
| 2665 | * Function prepares TDLS action frame packets and forwards them to FW |
| 2666 | */ |
| 2667 | static int |
| 2668 | mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, |
| 2669 | const u8 *peer, u8 action_code, u8 dialog_token, |
| 2670 | u16 status_code, u32 peer_capability, |
| 2671 | bool initiator, const u8 *extra_ies, |
| 2672 | size_t extra_ies_len) |
| 2673 | { |
| 2674 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2675 | int ret; |
| 2676 | |
| 2677 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) |
| 2678 | return -ENOTSUPP; |
| 2679 | |
| 2680 | /* make sure we are in station mode and connected */ |
| 2681 | if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) |
| 2682 | return -ENOTSUPP; |
| 2683 | |
| 2684 | switch (action_code) { |
| 2685 | case WLAN_TDLS_SETUP_REQUEST: |
| 2686 | dev_dbg(priv->adapter->dev, |
| 2687 | "Send TDLS Setup Request to %pM status_code=%d\n", peer, |
| 2688 | status_code); |
| 2689 | mwifiex_add_auto_tdls_peer(priv, peer); |
| 2690 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 2691 | dialog_token, status_code, |
| 2692 | extra_ies, extra_ies_len); |
| 2693 | break; |
| 2694 | case WLAN_TDLS_SETUP_RESPONSE: |
| 2695 | mwifiex_add_auto_tdls_peer(priv, peer); |
| 2696 | dev_dbg(priv->adapter->dev, |
| 2697 | "Send TDLS Setup Response to %pM status_code=%d\n", |
| 2698 | peer, status_code); |
| 2699 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 2700 | dialog_token, status_code, |
| 2701 | extra_ies, extra_ies_len); |
| 2702 | break; |
| 2703 | case WLAN_TDLS_SETUP_CONFIRM: |
| 2704 | dev_dbg(priv->adapter->dev, |
| 2705 | "Send TDLS Confirm to %pM status_code=%d\n", peer, |
| 2706 | status_code); |
| 2707 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 2708 | dialog_token, status_code, |
| 2709 | extra_ies, extra_ies_len); |
| 2710 | break; |
| 2711 | case WLAN_TDLS_TEARDOWN: |
| 2712 | dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n", |
| 2713 | peer); |
| 2714 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 2715 | dialog_token, status_code, |
| 2716 | extra_ies, extra_ies_len); |
| 2717 | break; |
| 2718 | case WLAN_TDLS_DISCOVERY_REQUEST: |
| 2719 | dev_dbg(priv->adapter->dev, |
| 2720 | "Send TDLS Discovery Request to %pM\n", peer); |
| 2721 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 2722 | dialog_token, status_code, |
| 2723 | extra_ies, extra_ies_len); |
| 2724 | break; |
| 2725 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: |
| 2726 | dev_dbg(priv->adapter->dev, |
| 2727 | "Send TDLS Discovery Response to %pM\n", peer); |
| 2728 | ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, |
| 2729 | dialog_token, status_code, |
| 2730 | extra_ies, extra_ies_len); |
| 2731 | break; |
| 2732 | default: |
| 2733 | dev_warn(priv->adapter->dev, |
| 2734 | "Unknown TDLS mgmt/action frame %pM\n", peer); |
| 2735 | ret = -EINVAL; |
| 2736 | break; |
| 2737 | } |
| 2738 | |
| 2739 | return ret; |
| 2740 | } |
| 2741 | |
| 2742 | static int |
| 2743 | mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, |
| 2744 | const u8 *peer, enum nl80211_tdls_operation action) |
| 2745 | { |
| 2746 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2747 | |
| 2748 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || |
| 2749 | !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) |
| 2750 | return -ENOTSUPP; |
| 2751 | |
| 2752 | /* make sure we are in station mode and connected */ |
| 2753 | if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) |
| 2754 | return -ENOTSUPP; |
| 2755 | |
| 2756 | dev_dbg(priv->adapter->dev, |
| 2757 | "TDLS peer=%pM, oper=%d\n", peer, action); |
| 2758 | |
| 2759 | switch (action) { |
| 2760 | case NL80211_TDLS_ENABLE_LINK: |
| 2761 | action = MWIFIEX_TDLS_ENABLE_LINK; |
| 2762 | break; |
| 2763 | case NL80211_TDLS_DISABLE_LINK: |
| 2764 | action = MWIFIEX_TDLS_DISABLE_LINK; |
| 2765 | break; |
| 2766 | case NL80211_TDLS_TEARDOWN: |
| 2767 | /* shouldn't happen!*/ |
| 2768 | dev_warn(priv->adapter->dev, |
| 2769 | "tdls_oper: teardown from driver not supported\n"); |
| 2770 | return -EINVAL; |
| 2771 | case NL80211_TDLS_SETUP: |
| 2772 | /* shouldn't happen!*/ |
| 2773 | dev_warn(priv->adapter->dev, |
| 2774 | "tdls_oper: setup from driver not supported\n"); |
| 2775 | return -EINVAL; |
| 2776 | case NL80211_TDLS_DISCOVERY_REQ: |
| 2777 | /* shouldn't happen!*/ |
| 2778 | dev_warn(priv->adapter->dev, |
| 2779 | "tdls_oper: discovery from driver not supported\n"); |
| 2780 | return -EINVAL; |
| 2781 | default: |
| 2782 | dev_err(priv->adapter->dev, |
| 2783 | "tdls_oper: operation not supported\n"); |
| 2784 | return -ENOTSUPP; |
| 2785 | } |
| 2786 | |
| 2787 | return mwifiex_tdls_oper(priv, peer, action); |
| 2788 | } |
| 2789 | |
| 2790 | static int |
| 2791 | mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, |
| 2792 | const u8 *mac, struct station_parameters *params) |
| 2793 | { |
| 2794 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2795 | |
| 2796 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) |
| 2797 | return -ENOTSUPP; |
| 2798 | |
| 2799 | /* make sure we are in station mode and connected */ |
| 2800 | if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) |
| 2801 | return -ENOTSUPP; |
| 2802 | |
| 2803 | return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); |
| 2804 | } |
| 2805 | |
| 2806 | static int |
| 2807 | mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, |
| 2808 | const u8 *mac, |
| 2809 | struct station_parameters *params) |
| 2810 | { |
| 2811 | int ret; |
| 2812 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2813 | |
| 2814 | /* we support change_station handler only for TDLS peers*/ |
| 2815 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) |
| 2816 | return -ENOTSUPP; |
| 2817 | |
| 2818 | /* make sure we are in station mode and connected */ |
| 2819 | if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) |
| 2820 | return -ENOTSUPP; |
| 2821 | |
| 2822 | priv->sta_params = params; |
| 2823 | |
| 2824 | ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); |
| 2825 | priv->sta_params = NULL; |
| 2826 | |
| 2827 | return ret; |
| 2828 | } |
| 2829 | |
| 2830 | /* station cfg80211 operations */ |
| 2831 | static struct cfg80211_ops mwifiex_cfg80211_ops = { |
| 2832 | .add_virtual_intf = mwifiex_add_virtual_intf, |
| 2833 | .del_virtual_intf = mwifiex_del_virtual_intf, |
| 2834 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
| 2835 | .scan = mwifiex_cfg80211_scan, |
| 2836 | .connect = mwifiex_cfg80211_connect, |
| 2837 | .disconnect = mwifiex_cfg80211_disconnect, |
| 2838 | .get_station = mwifiex_cfg80211_get_station, |
| 2839 | .dump_station = mwifiex_cfg80211_dump_station, |
| 2840 | .dump_survey = mwifiex_cfg80211_dump_survey, |
| 2841 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
| 2842 | .join_ibss = mwifiex_cfg80211_join_ibss, |
| 2843 | .leave_ibss = mwifiex_cfg80211_leave_ibss, |
| 2844 | .add_key = mwifiex_cfg80211_add_key, |
| 2845 | .del_key = mwifiex_cfg80211_del_key, |
| 2846 | .mgmt_tx = mwifiex_cfg80211_mgmt_tx, |
| 2847 | .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, |
| 2848 | .remain_on_channel = mwifiex_cfg80211_remain_on_channel, |
| 2849 | .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, |
| 2850 | .set_default_key = mwifiex_cfg80211_set_default_key, |
| 2851 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, |
| 2852 | .set_tx_power = mwifiex_cfg80211_set_tx_power, |
| 2853 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
| 2854 | .start_ap = mwifiex_cfg80211_start_ap, |
| 2855 | .stop_ap = mwifiex_cfg80211_stop_ap, |
| 2856 | .change_beacon = mwifiex_cfg80211_change_beacon, |
| 2857 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
| 2858 | .set_antenna = mwifiex_cfg80211_set_antenna, |
| 2859 | .del_station = mwifiex_cfg80211_del_station, |
| 2860 | #ifdef CONFIG_PM |
| 2861 | .suspend = mwifiex_cfg80211_suspend, |
| 2862 | .resume = mwifiex_cfg80211_resume, |
| 2863 | .set_wakeup = mwifiex_cfg80211_set_wakeup, |
| 2864 | #endif |
| 2865 | .set_coalesce = mwifiex_cfg80211_set_coalesce, |
| 2866 | .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, |
| 2867 | .tdls_oper = mwifiex_cfg80211_tdls_oper, |
| 2868 | .add_station = mwifiex_cfg80211_add_station, |
| 2869 | .change_station = mwifiex_cfg80211_change_station, |
| 2870 | }; |
| 2871 | |
| 2872 | #ifdef CONFIG_PM |
| 2873 | static const struct wiphy_wowlan_support mwifiex_wowlan_support = { |
| 2874 | .flags = WIPHY_WOWLAN_MAGIC_PKT, |
| 2875 | .n_patterns = MWIFIEX_MEF_MAX_FILTERS, |
| 2876 | .pattern_min_len = 1, |
| 2877 | .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, |
| 2878 | .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, |
| 2879 | }; |
| 2880 | #endif |
| 2881 | |
| 2882 | static bool mwifiex_is_valid_alpha2(const char *alpha2) |
| 2883 | { |
| 2884 | if (!alpha2 || strlen(alpha2) != 2) |
| 2885 | return false; |
| 2886 | |
| 2887 | if (isalpha(alpha2[0]) && isalpha(alpha2[1])) |
| 2888 | return true; |
| 2889 | |
| 2890 | return false; |
| 2891 | } |
| 2892 | |
| 2893 | static const struct wiphy_coalesce_support mwifiex_coalesce_support = { |
| 2894 | .n_rules = MWIFIEX_COALESCE_MAX_RULES, |
| 2895 | .max_delay = MWIFIEX_MAX_COALESCING_DELAY, |
| 2896 | .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, |
| 2897 | .pattern_min_len = 1, |
| 2898 | .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, |
| 2899 | .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, |
| 2900 | }; |
| 2901 | |
| 2902 | int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) |
| 2903 | { |
| 2904 | u32 n_channels_bg, n_channels_a = 0; |
| 2905 | |
| 2906 | n_channels_bg = mwifiex_band_2ghz.n_channels; |
| 2907 | |
| 2908 | if (adapter->config_bands & BAND_A) |
| 2909 | n_channels_a = mwifiex_band_5ghz.n_channels; |
| 2910 | |
| 2911 | adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); |
| 2912 | adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * |
| 2913 | adapter->num_in_chan_stats); |
| 2914 | |
| 2915 | if (!adapter->chan_stats) |
| 2916 | return -ENOMEM; |
| 2917 | |
| 2918 | return 0; |
| 2919 | } |
| 2920 | |
| 2921 | /* |
| 2922 | * This function registers the device with CFG802.11 subsystem. |
| 2923 | * |
| 2924 | * The function creates the wireless device/wiphy, populates it with |
| 2925 | * default parameters and handler function pointers, and finally |
| 2926 | * registers the device. |
| 2927 | */ |
| 2928 | |
| 2929 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) |
| 2930 | { |
| 2931 | int ret; |
| 2932 | void *wdev_priv; |
| 2933 | struct wiphy *wiphy; |
| 2934 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
| 2935 | u8 *country_code; |
| 2936 | u32 thr, retry; |
| 2937 | |
| 2938 | /* create a new wiphy for use with cfg80211 */ |
| 2939 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, |
| 2940 | sizeof(struct mwifiex_adapter *)); |
| 2941 | if (!wiphy) { |
| 2942 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); |
| 2943 | return -ENOMEM; |
| 2944 | } |
| 2945 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
| 2946 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; |
| 2947 | wiphy->mgmt_stypes = mwifiex_mgmt_stypes; |
| 2948 | wiphy->max_remain_on_channel_duration = 5000; |
| 2949 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 2950 | BIT(NL80211_IFTYPE_ADHOC) | |
| 2951 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 2952 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 2953 | BIT(NL80211_IFTYPE_AP); |
| 2954 | |
| 2955 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; |
| 2956 | if (adapter->config_bands & BAND_A) |
| 2957 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; |
| 2958 | else |
| 2959 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; |
| 2960 | |
| 2961 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
| 2962 | wiphy->n_iface_combinations = 1; |
| 2963 | |
| 2964 | /* Initialize cipher suits */ |
| 2965 | wiphy->cipher_suites = mwifiex_cipher_suites; |
| 2966 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); |
| 2967 | |
| 2968 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
| 2969 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 2970 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | |
| 2971 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | |
| 2972 | WIPHY_FLAG_AP_UAPSD | |
| 2973 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
| 2974 | |
| 2975 | if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) |
| 2976 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | |
| 2977 | WIPHY_FLAG_TDLS_EXTERNAL_SETUP; |
| 2978 | |
| 2979 | #ifdef CONFIG_PM |
| 2980 | wiphy->wowlan = &mwifiex_wowlan_support; |
| 2981 | #endif |
| 2982 | |
| 2983 | wiphy->coalesce = &mwifiex_coalesce_support; |
| 2984 | |
| 2985 | wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | |
| 2986 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | |
| 2987 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; |
| 2988 | |
| 2989 | wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; |
| 2990 | wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; |
| 2991 | |
| 2992 | wiphy->features |= NL80211_FEATURE_HT_IBSS | |
| 2993 | NL80211_FEATURE_INACTIVITY_TIMER | |
| 2994 | NL80211_FEATURE_NEED_OBSS_SCAN; |
| 2995 | |
| 2996 | if (adapter->fw_api_ver == MWIFIEX_FW_V15) |
| 2997 | wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; |
| 2998 | |
| 2999 | /* Reserve space for mwifiex specific private data for BSS */ |
| 3000 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
| 3001 | |
| 3002 | wiphy->reg_notifier = mwifiex_reg_notifier; |
| 3003 | |
| 3004 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
| 3005 | wdev_priv = wiphy_priv(wiphy); |
| 3006 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
| 3007 | |
| 3008 | set_wiphy_dev(wiphy, priv->adapter->dev); |
| 3009 | |
| 3010 | ret = wiphy_register(wiphy); |
| 3011 | if (ret < 0) { |
| 3012 | dev_err(adapter->dev, |
| 3013 | "%s: wiphy_register failed: %d\n", __func__, ret); |
| 3014 | wiphy_free(wiphy); |
| 3015 | return ret; |
| 3016 | } |
| 3017 | |
| 3018 | if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { |
| 3019 | wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2); |
| 3020 | regulatory_hint(wiphy, reg_alpha2); |
| 3021 | } else { |
| 3022 | country_code = mwifiex_11d_code_2_region(adapter->region_code); |
| 3023 | if (country_code) |
| 3024 | wiphy_info(wiphy, "ignoring F/W country code %2.2s\n", |
| 3025 | country_code); |
| 3026 | } |
| 3027 | |
| 3028 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 3029 | HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); |
| 3030 | wiphy->frag_threshold = thr; |
| 3031 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 3032 | HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); |
| 3033 | wiphy->rts_threshold = thr; |
| 3034 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 3035 | HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); |
| 3036 | wiphy->retry_short = (u8) retry; |
| 3037 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 3038 | HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); |
| 3039 | wiphy->retry_long = (u8) retry; |
| 3040 | |
| 3041 | adapter->wiphy = wiphy; |
| 3042 | return ret; |
| 3043 | } |