| 1 | /* |
| 2 | * Marvell Wireless LAN device driver: CFG80211 |
| 3 | * |
| 4 | * Copyright (C) 2011, 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 const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { |
| 24 | { |
| 25 | .max = 2, .types = BIT(NL80211_IFTYPE_STATION), |
| 26 | }, |
| 27 | { |
| 28 | .max = 1, .types = BIT(NL80211_IFTYPE_AP), |
| 29 | }, |
| 30 | }; |
| 31 | |
| 32 | static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = { |
| 33 | .limits = mwifiex_ap_sta_limits, |
| 34 | .num_different_channels = 1, |
| 35 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), |
| 36 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, |
| 37 | .beacon_int_infra_match = true, |
| 38 | }; |
| 39 | |
| 40 | static const struct ieee80211_regdomain mwifiex_world_regdom_custom = { |
| 41 | .n_reg_rules = 7, |
| 42 | .alpha2 = "99", |
| 43 | .reg_rules = { |
| 44 | /* Channel 1 - 11 */ |
| 45 | REG_RULE(2412-10, 2462+10, 40, 3, 20, 0), |
| 46 | /* Channel 12 - 13 */ |
| 47 | REG_RULE(2467-10, 2472+10, 20, 3, 20, |
| 48 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS), |
| 49 | /* Channel 14 */ |
| 50 | REG_RULE(2484-10, 2484+10, 20, 3, 20, |
| 51 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS | |
| 52 | NL80211_RRF_NO_OFDM), |
| 53 | /* Channel 36 - 48 */ |
| 54 | REG_RULE(5180-10, 5240+10, 40, 3, 20, |
| 55 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS), |
| 56 | /* Channel 149 - 165 */ |
| 57 | REG_RULE(5745-10, 5825+10, 40, 3, 20, |
| 58 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS), |
| 59 | /* Channel 52 - 64 */ |
| 60 | REG_RULE(5260-10, 5320+10, 40, 3, 30, |
| 61 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS | |
| 62 | NL80211_RRF_DFS), |
| 63 | /* Channel 100 - 140 */ |
| 64 | REG_RULE(5500-10, 5700+10, 40, 3, 30, |
| 65 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS | |
| 66 | NL80211_RRF_DFS), |
| 67 | } |
| 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * This function maps the nl802.11 channel type into driver channel type. |
| 72 | * |
| 73 | * The mapping is as follows - |
| 74 | * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 75 | * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 76 | * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE |
| 77 | * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW |
| 78 | * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 79 | */ |
| 80 | u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) |
| 81 | { |
| 82 | switch (chan_type) { |
| 83 | case NL80211_CHAN_NO_HT: |
| 84 | case NL80211_CHAN_HT20: |
| 85 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 86 | case NL80211_CHAN_HT40PLUS: |
| 87 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 88 | case NL80211_CHAN_HT40MINUS: |
| 89 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 90 | default: |
| 91 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * This function checks whether WEP is set. |
| 97 | */ |
| 98 | static int |
| 99 | mwifiex_is_alg_wep(u32 cipher) |
| 100 | { |
| 101 | switch (cipher) { |
| 102 | case WLAN_CIPHER_SUITE_WEP40: |
| 103 | case WLAN_CIPHER_SUITE_WEP104: |
| 104 | return 1; |
| 105 | default: |
| 106 | break; |
| 107 | } |
| 108 | |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | /* |
| 113 | * This function retrieves the private structure from kernel wiphy structure. |
| 114 | */ |
| 115 | static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) |
| 116 | { |
| 117 | return (void *) (*(unsigned long *) wiphy_priv(wiphy)); |
| 118 | } |
| 119 | |
| 120 | /* |
| 121 | * CFG802.11 operation handler to delete a network key. |
| 122 | */ |
| 123 | static int |
| 124 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, |
| 125 | u8 key_index, bool pairwise, const u8 *mac_addr) |
| 126 | { |
| 127 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 128 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 129 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 130 | |
| 131 | if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { |
| 132 | wiphy_err(wiphy, "deleting the crypto keys\n"); |
| 133 | return -EFAULT; |
| 134 | } |
| 135 | |
| 136 | wiphy_dbg(wiphy, "info: crypto keys deleted\n"); |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | /* |
| 141 | * This function forms an skb for management frame. |
| 142 | */ |
| 143 | static int |
| 144 | mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) |
| 145 | { |
| 146 | u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; |
| 147 | u16 pkt_len; |
| 148 | u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; |
| 149 | struct timeval tv; |
| 150 | |
| 151 | pkt_len = len + ETH_ALEN; |
| 152 | |
| 153 | skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + |
| 154 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); |
| 155 | memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); |
| 156 | |
| 157 | memcpy(skb_push(skb, sizeof(tx_control)), |
| 158 | &tx_control, sizeof(tx_control)); |
| 159 | |
| 160 | memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); |
| 161 | |
| 162 | /* Add packet data and address4 */ |
| 163 | memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, |
| 164 | sizeof(struct ieee80211_hdr_3addr)); |
| 165 | memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); |
| 166 | memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), |
| 167 | buf + sizeof(struct ieee80211_hdr_3addr), |
| 168 | len - sizeof(struct ieee80211_hdr_3addr)); |
| 169 | |
| 170 | skb->priority = LOW_PRIO_TID; |
| 171 | do_gettimeofday(&tv); |
| 172 | skb->tstamp = timeval_to_ktime(tv); |
| 173 | |
| 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | /* |
| 178 | * CFG802.11 operation handler to transmit a management frame. |
| 179 | */ |
| 180 | static int |
| 181 | mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 182 | struct ieee80211_channel *chan, bool offchan, |
| 183 | enum nl80211_channel_type channel_type, |
| 184 | bool channel_type_valid, unsigned int wait, |
| 185 | const u8 *buf, size_t len, bool no_cck, |
| 186 | bool dont_wait_for_ack, u64 *cookie) |
| 187 | { |
| 188 | struct sk_buff *skb; |
| 189 | u16 pkt_len; |
| 190 | const struct ieee80211_mgmt *mgmt; |
| 191 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 192 | |
| 193 | if (!buf || !len) { |
| 194 | wiphy_err(wiphy, "invalid buffer and length\n"); |
| 195 | return -EFAULT; |
| 196 | } |
| 197 | |
| 198 | mgmt = (const struct ieee80211_mgmt *)buf; |
| 199 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && |
| 200 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
| 201 | /* Since we support offload probe resp, we need to skip probe |
| 202 | * resp in AP or GO mode */ |
| 203 | wiphy_dbg(wiphy, |
| 204 | "info: skip to send probe resp in AP or GO mode\n"); |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | pkt_len = len + ETH_ALEN; |
| 209 | skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + |
| 210 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + |
| 211 | pkt_len + sizeof(pkt_len)); |
| 212 | |
| 213 | if (!skb) { |
| 214 | wiphy_err(wiphy, "allocate skb failed for management frame\n"); |
| 215 | return -ENOMEM; |
| 216 | } |
| 217 | |
| 218 | mwifiex_form_mgmt_frame(skb, buf, len); |
| 219 | mwifiex_queue_tx_pkt(priv, skb); |
| 220 | |
| 221 | *cookie = random32() | 1; |
| 222 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC); |
| 223 | |
| 224 | wiphy_dbg(wiphy, "info: management frame transmitted\n"); |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | * CFG802.11 operation handler to register a mgmt frame. |
| 230 | */ |
| 231 | static void |
| 232 | mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, |
| 233 | struct wireless_dev *wdev, |
| 234 | u16 frame_type, bool reg) |
| 235 | { |
| 236 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 237 | |
| 238 | if (reg) |
| 239 | priv->mgmt_frame_mask |= BIT(frame_type >> 4); |
| 240 | else |
| 241 | priv->mgmt_frame_mask &= ~BIT(frame_type >> 4); |
| 242 | |
| 243 | mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG, |
| 244 | HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask); |
| 245 | |
| 246 | wiphy_dbg(wiphy, "info: mgmt frame registered\n"); |
| 247 | } |
| 248 | |
| 249 | /* |
| 250 | * CFG802.11 operation handler to remain on channel. |
| 251 | */ |
| 252 | static int |
| 253 | mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, |
| 254 | struct wireless_dev *wdev, |
| 255 | struct ieee80211_channel *chan, |
| 256 | enum nl80211_channel_type channel_type, |
| 257 | unsigned int duration, u64 *cookie) |
| 258 | { |
| 259 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 260 | int ret; |
| 261 | |
| 262 | if (!chan || !cookie) { |
| 263 | wiphy_err(wiphy, "Invalid parameter for ROC\n"); |
| 264 | return -EINVAL; |
| 265 | } |
| 266 | |
| 267 | if (priv->roc_cfg.cookie) { |
| 268 | wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n", |
| 269 | priv->roc_cfg.cookie); |
| 270 | return -EBUSY; |
| 271 | } |
| 272 | |
| 273 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, |
| 274 | &channel_type, duration); |
| 275 | |
| 276 | if (!ret) { |
| 277 | *cookie = random32() | 1; |
| 278 | priv->roc_cfg.cookie = *cookie; |
| 279 | priv->roc_cfg.chan = *chan; |
| 280 | priv->roc_cfg.chan_type = channel_type; |
| 281 | |
| 282 | cfg80211_ready_on_channel(wdev, *cookie, chan, channel_type, |
| 283 | duration, GFP_ATOMIC); |
| 284 | |
| 285 | wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie); |
| 286 | } |
| 287 | |
| 288 | return ret; |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * CFG802.11 operation handler to cancel remain on channel. |
| 293 | */ |
| 294 | static int |
| 295 | mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
| 296 | struct wireless_dev *wdev, u64 cookie) |
| 297 | { |
| 298 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 299 | int ret; |
| 300 | |
| 301 | if (cookie != priv->roc_cfg.cookie) |
| 302 | return -ENOENT; |
| 303 | |
| 304 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, |
| 305 | &priv->roc_cfg.chan, |
| 306 | &priv->roc_cfg.chan_type, 0); |
| 307 | |
| 308 | if (!ret) { |
| 309 | cfg80211_remain_on_channel_expired(wdev, cookie, |
| 310 | &priv->roc_cfg.chan, |
| 311 | priv->roc_cfg.chan_type, |
| 312 | GFP_ATOMIC); |
| 313 | |
| 314 | memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); |
| 315 | |
| 316 | wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie); |
| 317 | } |
| 318 | |
| 319 | return ret; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | * CFG802.11 operation handler to set Tx power. |
| 324 | */ |
| 325 | static int |
| 326 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, |
| 327 | enum nl80211_tx_power_setting type, |
| 328 | int mbm) |
| 329 | { |
| 330 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 331 | struct mwifiex_private *priv; |
| 332 | struct mwifiex_power_cfg power_cfg; |
| 333 | int dbm = MBM_TO_DBM(mbm); |
| 334 | |
| 335 | if (type == NL80211_TX_POWER_FIXED) { |
| 336 | power_cfg.is_power_auto = 0; |
| 337 | power_cfg.power_level = dbm; |
| 338 | } else { |
| 339 | power_cfg.is_power_auto = 1; |
| 340 | } |
| 341 | |
| 342 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 343 | |
| 344 | return mwifiex_set_tx_power(priv, &power_cfg); |
| 345 | } |
| 346 | |
| 347 | /* |
| 348 | * CFG802.11 operation handler to set Power Save option. |
| 349 | * |
| 350 | * The timeout value, if provided, is currently ignored. |
| 351 | */ |
| 352 | static int |
| 353 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
| 354 | struct net_device *dev, |
| 355 | bool enabled, int timeout) |
| 356 | { |
| 357 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 358 | u32 ps_mode; |
| 359 | |
| 360 | if (timeout) |
| 361 | wiphy_dbg(wiphy, |
| 362 | "info: ignore timeout value for IEEE Power Save\n"); |
| 363 | |
| 364 | ps_mode = enabled; |
| 365 | |
| 366 | return mwifiex_drv_set_power(priv, &ps_mode); |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * CFG802.11 operation handler to set the default network key. |
| 371 | */ |
| 372 | static int |
| 373 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, |
| 374 | u8 key_index, bool unicast, |
| 375 | bool multicast) |
| 376 | { |
| 377 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 378 | |
| 379 | /* Return if WEP key not configured */ |
| 380 | if (!priv->sec_info.wep_enabled) |
| 381 | return 0; |
| 382 | |
| 383 | if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { |
| 384 | priv->wep_key_curr_index = key_index; |
| 385 | } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, |
| 386 | NULL, 0)) { |
| 387 | wiphy_err(wiphy, "set default Tx key index\n"); |
| 388 | return -EFAULT; |
| 389 | } |
| 390 | |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * CFG802.11 operation handler to add a network key. |
| 396 | */ |
| 397 | static int |
| 398 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, |
| 399 | u8 key_index, bool pairwise, const u8 *mac_addr, |
| 400 | struct key_params *params) |
| 401 | { |
| 402 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 403 | struct mwifiex_wep_key *wep_key; |
| 404 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 405 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 406 | |
| 407 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
| 408 | (params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 409 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| 410 | if (params->key && params->key_len) { |
| 411 | wep_key = &priv->wep_key[key_index]; |
| 412 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
| 413 | memcpy(wep_key->key_material, params->key, |
| 414 | params->key_len); |
| 415 | wep_key->key_index = key_index; |
| 416 | wep_key->key_length = params->key_len; |
| 417 | priv->sec_info.wep_enabled = 1; |
| 418 | } |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | if (mwifiex_set_encode(priv, params, params->key, params->key_len, |
| 423 | key_index, peer_mac, 0)) { |
| 424 | wiphy_err(wiphy, "crypto keys added\n"); |
| 425 | return -EFAULT; |
| 426 | } |
| 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | /* |
| 432 | * This function sends domain information to the firmware. |
| 433 | * |
| 434 | * The following information are passed to the firmware - |
| 435 | * - Country codes |
| 436 | * - Sub bands (first channel, number of channels, maximum Tx power) |
| 437 | */ |
| 438 | static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) |
| 439 | { |
| 440 | u8 no_of_triplet = 0; |
| 441 | struct ieee80211_country_ie_triplet *t; |
| 442 | u8 no_of_parsed_chan = 0; |
| 443 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; |
| 444 | u8 i, flag = 0; |
| 445 | enum ieee80211_band band; |
| 446 | struct ieee80211_supported_band *sband; |
| 447 | struct ieee80211_channel *ch; |
| 448 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 449 | struct mwifiex_private *priv; |
| 450 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
| 451 | |
| 452 | /* Set country code */ |
| 453 | domain_info->country_code[0] = adapter->country_code[0]; |
| 454 | domain_info->country_code[1] = adapter->country_code[1]; |
| 455 | domain_info->country_code[2] = ' '; |
| 456 | |
| 457 | band = mwifiex_band_to_radio_type(adapter->config_bands); |
| 458 | if (!wiphy->bands[band]) { |
| 459 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
| 460 | return -1; |
| 461 | } |
| 462 | |
| 463 | sband = wiphy->bands[band]; |
| 464 | |
| 465 | for (i = 0; i < sband->n_channels ; i++) { |
| 466 | ch = &sband->channels[i]; |
| 467 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 468 | continue; |
| 469 | |
| 470 | if (!flag) { |
| 471 | flag = 1; |
| 472 | first_chan = (u32) ch->hw_value; |
| 473 | next_chan = first_chan; |
| 474 | max_pwr = ch->max_reg_power; |
| 475 | no_of_parsed_chan = 1; |
| 476 | continue; |
| 477 | } |
| 478 | |
| 479 | if (ch->hw_value == next_chan + 1 && |
| 480 | ch->max_reg_power == max_pwr) { |
| 481 | next_chan++; |
| 482 | no_of_parsed_chan++; |
| 483 | } else { |
| 484 | t = &domain_info->triplet[no_of_triplet]; |
| 485 | t->chans.first_channel = first_chan; |
| 486 | t->chans.num_channels = no_of_parsed_chan; |
| 487 | t->chans.max_power = max_pwr; |
| 488 | no_of_triplet++; |
| 489 | first_chan = (u32) ch->hw_value; |
| 490 | next_chan = first_chan; |
| 491 | max_pwr = ch->max_reg_power; |
| 492 | no_of_parsed_chan = 1; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | if (flag) { |
| 497 | t = &domain_info->triplet[no_of_triplet]; |
| 498 | t->chans.first_channel = first_chan; |
| 499 | t->chans.num_channels = no_of_parsed_chan; |
| 500 | t->chans.max_power = max_pwr; |
| 501 | no_of_triplet++; |
| 502 | } |
| 503 | |
| 504 | domain_info->no_of_triplet = no_of_triplet; |
| 505 | |
| 506 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 507 | |
| 508 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
| 509 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
| 510 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
| 511 | return -1; |
| 512 | } |
| 513 | |
| 514 | return 0; |
| 515 | } |
| 516 | |
| 517 | /* |
| 518 | * CFG802.11 regulatory domain callback function. |
| 519 | * |
| 520 | * This function is called when the regulatory domain is changed due to the |
| 521 | * following reasons - |
| 522 | * - Set by driver |
| 523 | * - Set by system core |
| 524 | * - Set by user |
| 525 | * - Set bt Country IE |
| 526 | */ |
| 527 | static int mwifiex_reg_notifier(struct wiphy *wiphy, |
| 528 | struct regulatory_request *request) |
| 529 | { |
| 530 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 531 | |
| 532 | wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n", |
| 533 | request->alpha2[0], request->alpha2[1]); |
| 534 | |
| 535 | memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); |
| 536 | |
| 537 | switch (request->initiator) { |
| 538 | case NL80211_REGDOM_SET_BY_DRIVER: |
| 539 | case NL80211_REGDOM_SET_BY_CORE: |
| 540 | case NL80211_REGDOM_SET_BY_USER: |
| 541 | break; |
| 542 | /* Todo: apply driver specific changes in channel flags based |
| 543 | on the request initiator if necessary. */ |
| 544 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
| 545 | break; |
| 546 | } |
| 547 | mwifiex_send_domain_info_cmd_fw(wiphy); |
| 548 | |
| 549 | return 0; |
| 550 | } |
| 551 | |
| 552 | /* |
| 553 | * This function sets the fragmentation threshold. |
| 554 | * |
| 555 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
| 556 | * and MWIFIEX_FRAG_MAX_VALUE. |
| 557 | */ |
| 558 | static int |
| 559 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) |
| 560 | { |
| 561 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
| 562 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) |
| 563 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
| 564 | |
| 565 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 566 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, |
| 567 | &frag_thr); |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * This function sets the RTS threshold. |
| 572 | |
| 573 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE |
| 574 | * and MWIFIEX_RTS_MAX_VALUE. |
| 575 | */ |
| 576 | static int |
| 577 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) |
| 578 | { |
| 579 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
| 580 | rts_thr = MWIFIEX_RTS_MAX_VALUE; |
| 581 | |
| 582 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 583 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
| 584 | &rts_thr); |
| 585 | } |
| 586 | |
| 587 | /* |
| 588 | * CFG802.11 operation handler to set wiphy parameters. |
| 589 | * |
| 590 | * This function can be used to set the RTS threshold and the |
| 591 | * Fragmentation threshold of the driver. |
| 592 | */ |
| 593 | static int |
| 594 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 595 | { |
| 596 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 597 | struct mwifiex_private *priv; |
| 598 | struct mwifiex_uap_bss_param *bss_cfg; |
| 599 | int ret, bss_started, i; |
| 600 | |
| 601 | for (i = 0; i < adapter->priv_num; i++) { |
| 602 | priv = adapter->priv[i]; |
| 603 | |
| 604 | switch (priv->bss_role) { |
| 605 | case MWIFIEX_BSS_ROLE_UAP: |
| 606 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), |
| 607 | GFP_KERNEL); |
| 608 | if (!bss_cfg) |
| 609 | return -ENOMEM; |
| 610 | |
| 611 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 612 | |
| 613 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) |
| 614 | bss_cfg->rts_threshold = wiphy->rts_threshold; |
| 615 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) |
| 616 | bss_cfg->frag_threshold = wiphy->frag_threshold; |
| 617 | if (changed & WIPHY_PARAM_RETRY_LONG) |
| 618 | bss_cfg->retry_limit = wiphy->retry_long; |
| 619 | |
| 620 | bss_started = priv->bss_started; |
| 621 | |
| 622 | ret = mwifiex_send_cmd_sync(priv, |
| 623 | HostCmd_CMD_UAP_BSS_STOP, |
| 624 | HostCmd_ACT_GEN_SET, 0, |
| 625 | NULL); |
| 626 | if (ret) { |
| 627 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 628 | kfree(bss_cfg); |
| 629 | return ret; |
| 630 | } |
| 631 | |
| 632 | ret = mwifiex_send_cmd_async(priv, |
| 633 | HostCmd_CMD_UAP_SYS_CONFIG, |
| 634 | HostCmd_ACT_GEN_SET, |
| 635 | UAP_BSS_PARAMS_I, bss_cfg); |
| 636 | |
| 637 | kfree(bss_cfg); |
| 638 | |
| 639 | if (ret) { |
| 640 | wiphy_err(wiphy, "Failed to set bss config\n"); |
| 641 | return ret; |
| 642 | } |
| 643 | |
| 644 | if (!bss_started) |
| 645 | break; |
| 646 | |
| 647 | ret = mwifiex_send_cmd_async(priv, |
| 648 | HostCmd_CMD_UAP_BSS_START, |
| 649 | HostCmd_ACT_GEN_SET, 0, |
| 650 | NULL); |
| 651 | if (ret) { |
| 652 | wiphy_err(wiphy, "Failed to start BSS\n"); |
| 653 | return ret; |
| 654 | } |
| 655 | |
| 656 | break; |
| 657 | case MWIFIEX_BSS_ROLE_STA: |
| 658 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
| 659 | ret = mwifiex_set_rts(priv, |
| 660 | wiphy->rts_threshold); |
| 661 | if (ret) |
| 662 | return ret; |
| 663 | } |
| 664 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
| 665 | ret = mwifiex_set_frag(priv, |
| 666 | wiphy->frag_threshold); |
| 667 | if (ret) |
| 668 | return ret; |
| 669 | } |
| 670 | break; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | return 0; |
| 675 | } |
| 676 | |
| 677 | /* |
| 678 | * CFG802.11 operation handler to change interface type. |
| 679 | */ |
| 680 | static int |
| 681 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, |
| 682 | struct net_device *dev, |
| 683 | enum nl80211_iftype type, u32 *flags, |
| 684 | struct vif_params *params) |
| 685 | { |
| 686 | int ret; |
| 687 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 688 | |
| 689 | switch (dev->ieee80211_ptr->iftype) { |
| 690 | case NL80211_IFTYPE_ADHOC: |
| 691 | switch (type) { |
| 692 | case NL80211_IFTYPE_STATION: |
| 693 | break; |
| 694 | case NL80211_IFTYPE_UNSPECIFIED: |
| 695 | wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); |
| 696 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ |
| 697 | return 0; |
| 698 | case NL80211_IFTYPE_AP: |
| 699 | default: |
| 700 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 701 | dev->name, type); |
| 702 | return -EOPNOTSUPP; |
| 703 | } |
| 704 | break; |
| 705 | case NL80211_IFTYPE_STATION: |
| 706 | switch (type) { |
| 707 | case NL80211_IFTYPE_ADHOC: |
| 708 | break; |
| 709 | case NL80211_IFTYPE_UNSPECIFIED: |
| 710 | wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); |
| 711 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ |
| 712 | return 0; |
| 713 | case NL80211_IFTYPE_AP: |
| 714 | default: |
| 715 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 716 | dev->name, type); |
| 717 | return -EOPNOTSUPP; |
| 718 | } |
| 719 | break; |
| 720 | case NL80211_IFTYPE_AP: |
| 721 | switch (type) { |
| 722 | case NL80211_IFTYPE_UNSPECIFIED: |
| 723 | wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); |
| 724 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ |
| 725 | return 0; |
| 726 | case NL80211_IFTYPE_ADHOC: |
| 727 | case NL80211_IFTYPE_STATION: |
| 728 | default: |
| 729 | wiphy_err(wiphy, "%s: changing to %d not supported\n", |
| 730 | dev->name, type); |
| 731 | return -EOPNOTSUPP; |
| 732 | } |
| 733 | break; |
| 734 | default: |
| 735 | wiphy_err(wiphy, "%s: unknown iftype: %d\n", |
| 736 | dev->name, dev->ieee80211_ptr->iftype); |
| 737 | return -EOPNOTSUPP; |
| 738 | } |
| 739 | |
| 740 | dev->ieee80211_ptr->iftype = type; |
| 741 | priv->bss_mode = type; |
| 742 | mwifiex_deauthenticate(priv, NULL); |
| 743 | |
| 744 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 745 | |
| 746 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
| 747 | HostCmd_ACT_GEN_SET, 0, NULL); |
| 748 | |
| 749 | return ret; |
| 750 | } |
| 751 | |
| 752 | /* |
| 753 | * This function dumps the station information on a buffer. |
| 754 | * |
| 755 | * The following information are shown - |
| 756 | * - Total bytes transmitted |
| 757 | * - Total bytes received |
| 758 | * - Total packets transmitted |
| 759 | * - Total packets received |
| 760 | * - Signal quality level |
| 761 | * - Transmission rate |
| 762 | */ |
| 763 | static int |
| 764 | mwifiex_dump_station_info(struct mwifiex_private *priv, |
| 765 | struct station_info *sinfo) |
| 766 | { |
| 767 | u32 rate; |
| 768 | |
| 769 | sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | |
| 770 | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | |
| 771 | STATION_INFO_TX_BITRATE | |
| 772 | STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
| 773 | |
| 774 | /* Get signal information from the firmware */ |
| 775 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
| 776 | HostCmd_ACT_GEN_GET, 0, NULL)) { |
| 777 | dev_err(priv->adapter->dev, "failed to get signal information\n"); |
| 778 | return -EFAULT; |
| 779 | } |
| 780 | |
| 781 | if (mwifiex_drv_get_data_rate(priv, &rate)) { |
| 782 | dev_err(priv->adapter->dev, "getting data rate\n"); |
| 783 | return -EFAULT; |
| 784 | } |
| 785 | |
| 786 | /* Get DTIM period information from firmware */ |
| 787 | mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 788 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, |
| 789 | &priv->dtim_period); |
| 790 | |
| 791 | /* |
| 792 | * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid |
| 793 | * MCS index values for us are 0 to 15. |
| 794 | */ |
| 795 | if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { |
| 796 | sinfo->txrate.mcs = priv->tx_rate; |
| 797 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; |
| 798 | /* 40MHz rate */ |
| 799 | if (priv->tx_htinfo & BIT(1)) |
| 800 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; |
| 801 | /* SGI enabled */ |
| 802 | if (priv->tx_htinfo & BIT(2)) |
| 803 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; |
| 804 | } |
| 805 | |
| 806 | sinfo->signal_avg = priv->bcn_rssi_avg; |
| 807 | sinfo->rx_bytes = priv->stats.rx_bytes; |
| 808 | sinfo->tx_bytes = priv->stats.tx_bytes; |
| 809 | sinfo->rx_packets = priv->stats.rx_packets; |
| 810 | sinfo->tx_packets = priv->stats.tx_packets; |
| 811 | sinfo->signal = priv->bcn_rssi_avg; |
| 812 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
| 813 | sinfo->txrate.legacy = rate * 5; |
| 814 | |
| 815 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
| 816 | sinfo->filled |= STATION_INFO_BSS_PARAM; |
| 817 | sinfo->bss_param.flags = 0; |
| 818 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 819 | WLAN_CAPABILITY_SHORT_PREAMBLE) |
| 820 | sinfo->bss_param.flags |= |
| 821 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; |
| 822 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 823 | WLAN_CAPABILITY_SHORT_SLOT_TIME) |
| 824 | sinfo->bss_param.flags |= |
| 825 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; |
| 826 | sinfo->bss_param.dtim_period = priv->dtim_period; |
| 827 | sinfo->bss_param.beacon_interval = |
| 828 | priv->curr_bss_params.bss_descriptor.beacon_period; |
| 829 | } |
| 830 | |
| 831 | return 0; |
| 832 | } |
| 833 | |
| 834 | /* |
| 835 | * CFG802.11 operation handler to get station information. |
| 836 | * |
| 837 | * This function only works in connected mode, and dumps the |
| 838 | * requested station information, if available. |
| 839 | */ |
| 840 | static int |
| 841 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
| 842 | u8 *mac, struct station_info *sinfo) |
| 843 | { |
| 844 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 845 | |
| 846 | if (!priv->media_connected) |
| 847 | return -ENOENT; |
| 848 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) |
| 849 | return -ENOENT; |
| 850 | |
| 851 | return mwifiex_dump_station_info(priv, sinfo); |
| 852 | } |
| 853 | |
| 854 | /* |
| 855 | * CFG802.11 operation handler to dump station information. |
| 856 | */ |
| 857 | static int |
| 858 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
| 859 | int idx, u8 *mac, struct station_info *sinfo) |
| 860 | { |
| 861 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 862 | |
| 863 | if (!priv->media_connected || idx) |
| 864 | return -ENOENT; |
| 865 | |
| 866 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); |
| 867 | |
| 868 | return mwifiex_dump_station_info(priv, sinfo); |
| 869 | } |
| 870 | |
| 871 | /* Supported rates to be advertised to the cfg80211 */ |
| 872 | static struct ieee80211_rate mwifiex_rates[] = { |
| 873 | {.bitrate = 10, .hw_value = 2, }, |
| 874 | {.bitrate = 20, .hw_value = 4, }, |
| 875 | {.bitrate = 55, .hw_value = 11, }, |
| 876 | {.bitrate = 110, .hw_value = 22, }, |
| 877 | {.bitrate = 60, .hw_value = 12, }, |
| 878 | {.bitrate = 90, .hw_value = 18, }, |
| 879 | {.bitrate = 120, .hw_value = 24, }, |
| 880 | {.bitrate = 180, .hw_value = 36, }, |
| 881 | {.bitrate = 240, .hw_value = 48, }, |
| 882 | {.bitrate = 360, .hw_value = 72, }, |
| 883 | {.bitrate = 480, .hw_value = 96, }, |
| 884 | {.bitrate = 540, .hw_value = 108, }, |
| 885 | }; |
| 886 | |
| 887 | /* Channel definitions to be advertised to cfg80211 */ |
| 888 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { |
| 889 | {.center_freq = 2412, .hw_value = 1, }, |
| 890 | {.center_freq = 2417, .hw_value = 2, }, |
| 891 | {.center_freq = 2422, .hw_value = 3, }, |
| 892 | {.center_freq = 2427, .hw_value = 4, }, |
| 893 | {.center_freq = 2432, .hw_value = 5, }, |
| 894 | {.center_freq = 2437, .hw_value = 6, }, |
| 895 | {.center_freq = 2442, .hw_value = 7, }, |
| 896 | {.center_freq = 2447, .hw_value = 8, }, |
| 897 | {.center_freq = 2452, .hw_value = 9, }, |
| 898 | {.center_freq = 2457, .hw_value = 10, }, |
| 899 | {.center_freq = 2462, .hw_value = 11, }, |
| 900 | {.center_freq = 2467, .hw_value = 12, }, |
| 901 | {.center_freq = 2472, .hw_value = 13, }, |
| 902 | {.center_freq = 2484, .hw_value = 14, }, |
| 903 | }; |
| 904 | |
| 905 | static struct ieee80211_supported_band mwifiex_band_2ghz = { |
| 906 | .channels = mwifiex_channels_2ghz, |
| 907 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), |
| 908 | .bitrates = mwifiex_rates, |
| 909 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
| 910 | }; |
| 911 | |
| 912 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { |
| 913 | {.center_freq = 5040, .hw_value = 8, }, |
| 914 | {.center_freq = 5060, .hw_value = 12, }, |
| 915 | {.center_freq = 5080, .hw_value = 16, }, |
| 916 | {.center_freq = 5170, .hw_value = 34, }, |
| 917 | {.center_freq = 5190, .hw_value = 38, }, |
| 918 | {.center_freq = 5210, .hw_value = 42, }, |
| 919 | {.center_freq = 5230, .hw_value = 46, }, |
| 920 | {.center_freq = 5180, .hw_value = 36, }, |
| 921 | {.center_freq = 5200, .hw_value = 40, }, |
| 922 | {.center_freq = 5220, .hw_value = 44, }, |
| 923 | {.center_freq = 5240, .hw_value = 48, }, |
| 924 | {.center_freq = 5260, .hw_value = 52, }, |
| 925 | {.center_freq = 5280, .hw_value = 56, }, |
| 926 | {.center_freq = 5300, .hw_value = 60, }, |
| 927 | {.center_freq = 5320, .hw_value = 64, }, |
| 928 | {.center_freq = 5500, .hw_value = 100, }, |
| 929 | {.center_freq = 5520, .hw_value = 104, }, |
| 930 | {.center_freq = 5540, .hw_value = 108, }, |
| 931 | {.center_freq = 5560, .hw_value = 112, }, |
| 932 | {.center_freq = 5580, .hw_value = 116, }, |
| 933 | {.center_freq = 5600, .hw_value = 120, }, |
| 934 | {.center_freq = 5620, .hw_value = 124, }, |
| 935 | {.center_freq = 5640, .hw_value = 128, }, |
| 936 | {.center_freq = 5660, .hw_value = 132, }, |
| 937 | {.center_freq = 5680, .hw_value = 136, }, |
| 938 | {.center_freq = 5700, .hw_value = 140, }, |
| 939 | {.center_freq = 5745, .hw_value = 149, }, |
| 940 | {.center_freq = 5765, .hw_value = 153, }, |
| 941 | {.center_freq = 5785, .hw_value = 157, }, |
| 942 | {.center_freq = 5805, .hw_value = 161, }, |
| 943 | {.center_freq = 5825, .hw_value = 165, }, |
| 944 | }; |
| 945 | |
| 946 | static struct ieee80211_supported_band mwifiex_band_5ghz = { |
| 947 | .channels = mwifiex_channels_5ghz, |
| 948 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), |
| 949 | .bitrates = mwifiex_rates + 4, |
| 950 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, |
| 951 | }; |
| 952 | |
| 953 | |
| 954 | /* Supported crypto cipher suits to be advertised to cfg80211 */ |
| 955 | static const u32 mwifiex_cipher_suites[] = { |
| 956 | WLAN_CIPHER_SUITE_WEP40, |
| 957 | WLAN_CIPHER_SUITE_WEP104, |
| 958 | WLAN_CIPHER_SUITE_TKIP, |
| 959 | WLAN_CIPHER_SUITE_CCMP, |
| 960 | WLAN_CIPHER_SUITE_AES_CMAC, |
| 961 | }; |
| 962 | |
| 963 | /* Supported mgmt frame types to be advertised to cfg80211 */ |
| 964 | static const struct ieee80211_txrx_stypes |
| 965 | mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { |
| 966 | [NL80211_IFTYPE_STATION] = { |
| 967 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 968 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 969 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 970 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 971 | }, |
| 972 | [NL80211_IFTYPE_AP] = { |
| 973 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 974 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 975 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 976 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 977 | }, |
| 978 | [NL80211_IFTYPE_P2P_CLIENT] = { |
| 979 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 980 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 981 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 982 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 983 | }, |
| 984 | [NL80211_IFTYPE_P2P_GO] = { |
| 985 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 986 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 987 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 988 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 989 | }, |
| 990 | }; |
| 991 | |
| 992 | /* |
| 993 | * CFG802.11 operation handler for setting bit rates. |
| 994 | * |
| 995 | * Function configures data rates to firmware using bitrate mask |
| 996 | * provided by cfg80211. |
| 997 | */ |
| 998 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, |
| 999 | struct net_device *dev, |
| 1000 | const u8 *peer, |
| 1001 | const struct cfg80211_bitrate_mask *mask) |
| 1002 | { |
| 1003 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1004 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
| 1005 | enum ieee80211_band band; |
| 1006 | |
| 1007 | if (!priv->media_connected) { |
| 1008 | dev_err(priv->adapter->dev, |
| 1009 | "Can not set Tx data rate in disconnected state\n"); |
| 1010 | return -EINVAL; |
| 1011 | } |
| 1012 | |
| 1013 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 1014 | |
| 1015 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
| 1016 | |
| 1017 | /* Fill HR/DSSS rates. */ |
| 1018 | if (band == IEEE80211_BAND_2GHZ) |
| 1019 | bitmap_rates[0] = mask->control[band].legacy & 0x000f; |
| 1020 | |
| 1021 | /* Fill OFDM rates */ |
| 1022 | if (band == IEEE80211_BAND_2GHZ) |
| 1023 | bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; |
| 1024 | else |
| 1025 | bitmap_rates[1] = mask->control[band].legacy; |
| 1026 | |
| 1027 | /* Fill MCS rates */ |
| 1028 | bitmap_rates[2] = mask->control[band].mcs[0]; |
| 1029 | if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) |
| 1030 | bitmap_rates[2] |= mask->control[band].mcs[1] << 8; |
| 1031 | |
| 1032 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, |
| 1033 | HostCmd_ACT_GEN_SET, 0, bitmap_rates); |
| 1034 | } |
| 1035 | |
| 1036 | /* |
| 1037 | * CFG802.11 operation handler for connection quality monitoring. |
| 1038 | * |
| 1039 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI |
| 1040 | * events to FW. |
| 1041 | */ |
| 1042 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, |
| 1043 | struct net_device *dev, |
| 1044 | s32 rssi_thold, u32 rssi_hyst) |
| 1045 | { |
| 1046 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1047 | struct mwifiex_ds_misc_subsc_evt subsc_evt; |
| 1048 | |
| 1049 | priv->cqm_rssi_thold = rssi_thold; |
| 1050 | priv->cqm_rssi_hyst = rssi_hyst; |
| 1051 | |
| 1052 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); |
| 1053 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; |
| 1054 | |
| 1055 | /* Subscribe/unsubscribe low and high rssi events */ |
| 1056 | if (rssi_thold && rssi_hyst) { |
| 1057 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; |
| 1058 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); |
| 1059 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); |
| 1060 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; |
| 1061 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; |
| 1062 | return mwifiex_send_cmd_sync(priv, |
| 1063 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1064 | 0, 0, &subsc_evt); |
| 1065 | } else { |
| 1066 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; |
| 1067 | return mwifiex_send_cmd_sync(priv, |
| 1068 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1069 | 0, 0, &subsc_evt); |
| 1070 | } |
| 1071 | |
| 1072 | return 0; |
| 1073 | } |
| 1074 | |
| 1075 | /* cfg80211 operation handler for change_beacon. |
| 1076 | * Function retrieves and sets modified management IEs to FW. |
| 1077 | */ |
| 1078 | static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, |
| 1079 | struct net_device *dev, |
| 1080 | struct cfg80211_beacon_data *data) |
| 1081 | { |
| 1082 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1083 | |
| 1084 | if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) { |
| 1085 | wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__); |
| 1086 | return -EINVAL; |
| 1087 | } |
| 1088 | |
| 1089 | if (!priv->bss_started) { |
| 1090 | wiphy_err(wiphy, "%s: bss not started\n", __func__); |
| 1091 | return -EINVAL; |
| 1092 | } |
| 1093 | |
| 1094 | if (mwifiex_set_mgmt_ies(priv, data)) { |
| 1095 | wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__); |
| 1096 | return -EFAULT; |
| 1097 | } |
| 1098 | |
| 1099 | return 0; |
| 1100 | } |
| 1101 | |
| 1102 | static int |
| 1103 | mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
| 1104 | { |
| 1105 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 1106 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, |
| 1107 | MWIFIEX_BSS_ROLE_ANY); |
| 1108 | struct mwifiex_ds_ant_cfg ant_cfg; |
| 1109 | |
| 1110 | if (!tx_ant || !rx_ant) |
| 1111 | return -EOPNOTSUPP; |
| 1112 | |
| 1113 | if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { |
| 1114 | /* Not a MIMO chip. User should provide specific antenna number |
| 1115 | * for Tx/Rx path or enable all antennas for diversity |
| 1116 | */ |
| 1117 | if (tx_ant != rx_ant) |
| 1118 | return -EOPNOTSUPP; |
| 1119 | |
| 1120 | if ((tx_ant & (tx_ant - 1)) && |
| 1121 | (tx_ant != BIT(adapter->number_of_antenna) - 1)) |
| 1122 | return -EOPNOTSUPP; |
| 1123 | |
| 1124 | if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && |
| 1125 | (priv->adapter->number_of_antenna > 1)) { |
| 1126 | tx_ant = RF_ANTENNA_AUTO; |
| 1127 | rx_ant = RF_ANTENNA_AUTO; |
| 1128 | } |
| 1129 | } |
| 1130 | |
| 1131 | ant_cfg.tx_ant = tx_ant; |
| 1132 | ant_cfg.rx_ant = rx_ant; |
| 1133 | |
| 1134 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA, |
| 1135 | HostCmd_ACT_GEN_SET, 0, &ant_cfg); |
| 1136 | } |
| 1137 | |
| 1138 | /* cfg80211 operation handler for stop ap. |
| 1139 | * Function stops BSS running at uAP interface. |
| 1140 | */ |
| 1141 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
| 1142 | { |
| 1143 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1144 | |
| 1145 | if (mwifiex_del_mgmt_ies(priv)) |
| 1146 | wiphy_err(wiphy, "Failed to delete mgmt IEs!\n"); |
| 1147 | |
| 1148 | priv->ap_11n_enabled = 0; |
| 1149 | |
| 1150 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 1151 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
| 1152 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 1153 | return -1; |
| 1154 | } |
| 1155 | |
| 1156 | return 0; |
| 1157 | } |
| 1158 | |
| 1159 | /* cfg80211 operation handler for start_ap. |
| 1160 | * Function sets beacon period, DTIM period, SSID and security into |
| 1161 | * AP config structure. |
| 1162 | * AP is configured with these settings and BSS is started. |
| 1163 | */ |
| 1164 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, |
| 1165 | struct net_device *dev, |
| 1166 | struct cfg80211_ap_settings *params) |
| 1167 | { |
| 1168 | struct mwifiex_uap_bss_param *bss_cfg; |
| 1169 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1170 | u8 config_bands = 0; |
| 1171 | |
| 1172 | if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) |
| 1173 | return -1; |
| 1174 | if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) |
| 1175 | return -1; |
| 1176 | |
| 1177 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); |
| 1178 | if (!bss_cfg) |
| 1179 | return -ENOMEM; |
| 1180 | |
| 1181 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 1182 | |
| 1183 | if (params->beacon_interval) |
| 1184 | bss_cfg->beacon_period = params->beacon_interval; |
| 1185 | if (params->dtim_period) |
| 1186 | bss_cfg->dtim_period = params->dtim_period; |
| 1187 | |
| 1188 | if (params->ssid && params->ssid_len) { |
| 1189 | memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); |
| 1190 | bss_cfg->ssid.ssid_len = params->ssid_len; |
| 1191 | } |
| 1192 | |
| 1193 | switch (params->hidden_ssid) { |
| 1194 | case NL80211_HIDDEN_SSID_NOT_IN_USE: |
| 1195 | bss_cfg->bcast_ssid_ctl = 1; |
| 1196 | break; |
| 1197 | case NL80211_HIDDEN_SSID_ZERO_LEN: |
| 1198 | bss_cfg->bcast_ssid_ctl = 0; |
| 1199 | break; |
| 1200 | case NL80211_HIDDEN_SSID_ZERO_CONTENTS: |
| 1201 | /* firmware doesn't support this type of hidden SSID */ |
| 1202 | default: |
| 1203 | kfree(bss_cfg); |
| 1204 | return -EINVAL; |
| 1205 | } |
| 1206 | |
| 1207 | bss_cfg->channel = |
| 1208 | (u8)ieee80211_frequency_to_channel(params->channel->center_freq); |
| 1209 | |
| 1210 | /* Set appropriate bands */ |
| 1211 | if (params->channel->band == IEEE80211_BAND_2GHZ) { |
| 1212 | bss_cfg->band_cfg = BAND_CONFIG_BG; |
| 1213 | |
| 1214 | if (params->channel_type == NL80211_CHAN_NO_HT) |
| 1215 | config_bands = BAND_B | BAND_G; |
| 1216 | else |
| 1217 | config_bands = BAND_B | BAND_G | BAND_GN; |
| 1218 | } else { |
| 1219 | bss_cfg->band_cfg = BAND_CONFIG_A; |
| 1220 | |
| 1221 | if (params->channel_type == NL80211_CHAN_NO_HT) |
| 1222 | config_bands = BAND_A; |
| 1223 | else |
| 1224 | config_bands = BAND_AN | BAND_A; |
| 1225 | } |
| 1226 | |
| 1227 | if (!((config_bands | priv->adapter->fw_bands) & |
| 1228 | ~priv->adapter->fw_bands)) |
| 1229 | priv->adapter->config_bands = config_bands; |
| 1230 | |
| 1231 | mwifiex_set_uap_rates(bss_cfg, params); |
| 1232 | mwifiex_send_domain_info_cmd_fw(wiphy); |
| 1233 | |
| 1234 | if (mwifiex_set_secure_params(priv, bss_cfg, params)) { |
| 1235 | kfree(bss_cfg); |
| 1236 | wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); |
| 1237 | return -1; |
| 1238 | } |
| 1239 | |
| 1240 | mwifiex_set_ht_params(priv, bss_cfg, params); |
| 1241 | |
| 1242 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 1243 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
| 1244 | wiphy_err(wiphy, "Failed to stop the BSS\n"); |
| 1245 | kfree(bss_cfg); |
| 1246 | return -1; |
| 1247 | } |
| 1248 | |
| 1249 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, |
| 1250 | HostCmd_ACT_GEN_SET, |
| 1251 | UAP_BSS_PARAMS_I, bss_cfg)) { |
| 1252 | wiphy_err(wiphy, "Failed to set the SSID\n"); |
| 1253 | kfree(bss_cfg); |
| 1254 | return -1; |
| 1255 | } |
| 1256 | |
| 1257 | kfree(bss_cfg); |
| 1258 | |
| 1259 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START, |
| 1260 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
| 1261 | wiphy_err(wiphy, "Failed to start the BSS\n"); |
| 1262 | return -1; |
| 1263 | } |
| 1264 | |
| 1265 | if (priv->sec_info.wep_enabled) |
| 1266 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; |
| 1267 | else |
| 1268 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; |
| 1269 | |
| 1270 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, |
| 1271 | HostCmd_ACT_GEN_SET, 0, |
| 1272 | &priv->curr_pkt_filter)) |
| 1273 | return -1; |
| 1274 | |
| 1275 | return 0; |
| 1276 | } |
| 1277 | |
| 1278 | /* |
| 1279 | * CFG802.11 operation handler for disconnection request. |
| 1280 | * |
| 1281 | * This function does not work when there is already a disconnection |
| 1282 | * procedure going on. |
| 1283 | */ |
| 1284 | static int |
| 1285 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| 1286 | u16 reason_code) |
| 1287 | { |
| 1288 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1289 | |
| 1290 | if (mwifiex_deauthenticate(priv, NULL)) |
| 1291 | return -EFAULT; |
| 1292 | |
| 1293 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" |
| 1294 | " reason code %d\n", priv->cfg_bssid, reason_code); |
| 1295 | |
| 1296 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1297 | |
| 1298 | return 0; |
| 1299 | } |
| 1300 | |
| 1301 | /* |
| 1302 | * This function informs the CFG802.11 subsystem of a new IBSS. |
| 1303 | * |
| 1304 | * The following information are sent to the CFG802.11 subsystem |
| 1305 | * to register the new IBSS. If we do not register the new IBSS, |
| 1306 | * a kernel panic will result. |
| 1307 | * - SSID |
| 1308 | * - SSID length |
| 1309 | * - BSSID |
| 1310 | * - Channel |
| 1311 | */ |
| 1312 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) |
| 1313 | { |
| 1314 | struct ieee80211_channel *chan; |
| 1315 | struct mwifiex_bss_info bss_info; |
| 1316 | struct cfg80211_bss *bss; |
| 1317 | int ie_len; |
| 1318 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
| 1319 | enum ieee80211_band band; |
| 1320 | |
| 1321 | if (mwifiex_get_bss_info(priv, &bss_info)) |
| 1322 | return -1; |
| 1323 | |
| 1324 | ie_buf[0] = WLAN_EID_SSID; |
| 1325 | ie_buf[1] = bss_info.ssid.ssid_len; |
| 1326 | |
| 1327 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], |
| 1328 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
| 1329 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
| 1330 | |
| 1331 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 1332 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
| 1333 | ieee80211_channel_to_frequency(bss_info.bss_chan, |
| 1334 | band)); |
| 1335 | |
| 1336 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
| 1337 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
| 1338 | 0, ie_buf, ie_len, 0, GFP_KERNEL); |
| 1339 | cfg80211_put_bss(bss); |
| 1340 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
| 1341 | |
| 1342 | return 0; |
| 1343 | } |
| 1344 | |
| 1345 | /* |
| 1346 | * This function connects with a BSS. |
| 1347 | * |
| 1348 | * This function handles both Infra and Ad-Hoc modes. It also performs |
| 1349 | * validity checking on the provided parameters, disconnects from the |
| 1350 | * current BSS (if any), sets up the association/scan parameters, |
| 1351 | * including security settings, and performs specific SSID scan before |
| 1352 | * trying to connect. |
| 1353 | * |
| 1354 | * For Infra mode, the function returns failure if the specified SSID |
| 1355 | * is not found in scan table. However, for Ad-Hoc mode, it can create |
| 1356 | * the IBSS if it does not exist. On successful completion in either case, |
| 1357 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
| 1358 | */ |
| 1359 | static int |
| 1360 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, |
| 1361 | u8 *bssid, int mode, struct ieee80211_channel *channel, |
| 1362 | struct cfg80211_connect_params *sme, bool privacy) |
| 1363 | { |
| 1364 | struct cfg80211_ssid req_ssid; |
| 1365 | int ret, auth_type = 0; |
| 1366 | struct cfg80211_bss *bss = NULL; |
| 1367 | u8 is_scanning_required = 0, config_bands = 0; |
| 1368 | |
| 1369 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
| 1370 | |
| 1371 | req_ssid.ssid_len = ssid_len; |
| 1372 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 1373 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); |
| 1374 | return -EINVAL; |
| 1375 | } |
| 1376 | |
| 1377 | memcpy(req_ssid.ssid, ssid, ssid_len); |
| 1378 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { |
| 1379 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); |
| 1380 | return -EINVAL; |
| 1381 | } |
| 1382 | |
| 1383 | /* disconnect before try to associate */ |
| 1384 | mwifiex_deauthenticate(priv, NULL); |
| 1385 | |
| 1386 | if (channel) { |
| 1387 | if (mode == NL80211_IFTYPE_STATION) { |
| 1388 | if (channel->band == IEEE80211_BAND_2GHZ) |
| 1389 | config_bands = BAND_B | BAND_G | BAND_GN; |
| 1390 | else |
| 1391 | config_bands = BAND_A | BAND_AN; |
| 1392 | |
| 1393 | if (!((config_bands | priv->adapter->fw_bands) & |
| 1394 | ~priv->adapter->fw_bands)) |
| 1395 | priv->adapter->config_bands = config_bands; |
| 1396 | } |
| 1397 | } |
| 1398 | |
| 1399 | /* As this is new association, clear locally stored |
| 1400 | * keys and security related flags */ |
| 1401 | priv->sec_info.wpa_enabled = false; |
| 1402 | priv->sec_info.wpa2_enabled = false; |
| 1403 | priv->wep_key_curr_index = 0; |
| 1404 | priv->sec_info.encryption_mode = 0; |
| 1405 | priv->sec_info.is_authtype_auto = 0; |
| 1406 | ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); |
| 1407 | |
| 1408 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 1409 | /* "privacy" is set only for ad-hoc mode */ |
| 1410 | if (privacy) { |
| 1411 | /* |
| 1412 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
| 1413 | * the firmware can find a matching network from the |
| 1414 | * scan. The cfg80211 does not give us the encryption |
| 1415 | * mode at this stage so just setting it to WEP here. |
| 1416 | */ |
| 1417 | priv->sec_info.encryption_mode = |
| 1418 | WLAN_CIPHER_SUITE_WEP104; |
| 1419 | priv->sec_info.authentication_mode = |
| 1420 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1421 | } |
| 1422 | |
| 1423 | goto done; |
| 1424 | } |
| 1425 | |
| 1426 | /* Now handle infra mode. "sme" is valid for infra mode only */ |
| 1427 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
| 1428 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1429 | priv->sec_info.is_authtype_auto = 1; |
| 1430 | } else { |
| 1431 | auth_type = sme->auth_type; |
| 1432 | } |
| 1433 | |
| 1434 | if (sme->crypto.n_ciphers_pairwise) { |
| 1435 | priv->sec_info.encryption_mode = |
| 1436 | sme->crypto.ciphers_pairwise[0]; |
| 1437 | priv->sec_info.authentication_mode = auth_type; |
| 1438 | } |
| 1439 | |
| 1440 | if (sme->crypto.cipher_group) { |
| 1441 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
| 1442 | priv->sec_info.authentication_mode = auth_type; |
| 1443 | } |
| 1444 | if (sme->ie) |
| 1445 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); |
| 1446 | |
| 1447 | if (sme->key) { |
| 1448 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
| 1449 | dev_dbg(priv->adapter->dev, |
| 1450 | "info: setting wep encryption" |
| 1451 | " with key len %d\n", sme->key_len); |
| 1452 | priv->wep_key_curr_index = sme->key_idx; |
| 1453 | ret = mwifiex_set_encode(priv, NULL, sme->key, |
| 1454 | sme->key_len, sme->key_idx, |
| 1455 | NULL, 0); |
| 1456 | } |
| 1457 | } |
| 1458 | done: |
| 1459 | /* |
| 1460 | * Scan entries are valid for some time (15 sec). So we can save one |
| 1461 | * active scan time if we just try cfg80211_get_bss first. If it fails |
| 1462 | * then request scan and cfg80211_get_bss() again for final output. |
| 1463 | */ |
| 1464 | while (1) { |
| 1465 | if (is_scanning_required) { |
| 1466 | /* Do specific SSID scanning */ |
| 1467 | if (mwifiex_request_scan(priv, &req_ssid)) { |
| 1468 | dev_err(priv->adapter->dev, "scan error\n"); |
| 1469 | return -EFAULT; |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | /* Find the BSS we want using available scan results */ |
| 1474 | if (mode == NL80211_IFTYPE_ADHOC) |
| 1475 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, |
| 1476 | bssid, ssid, ssid_len, |
| 1477 | WLAN_CAPABILITY_IBSS, |
| 1478 | WLAN_CAPABILITY_IBSS); |
| 1479 | else |
| 1480 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, |
| 1481 | bssid, ssid, ssid_len, |
| 1482 | WLAN_CAPABILITY_ESS, |
| 1483 | WLAN_CAPABILITY_ESS); |
| 1484 | |
| 1485 | if (!bss) { |
| 1486 | if (is_scanning_required) { |
| 1487 | dev_warn(priv->adapter->dev, |
| 1488 | "assoc: requested bss not found in scan results\n"); |
| 1489 | break; |
| 1490 | } |
| 1491 | is_scanning_required = 1; |
| 1492 | } else { |
| 1493 | dev_dbg(priv->adapter->dev, |
| 1494 | "info: trying to associate to '%s' bssid %pM\n", |
| 1495 | (char *) req_ssid.ssid, bss->bssid); |
| 1496 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
| 1497 | break; |
| 1498 | } |
| 1499 | } |
| 1500 | |
| 1501 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
| 1502 | return -EFAULT; |
| 1503 | |
| 1504 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 1505 | /* Inform the BSS information to kernel, otherwise |
| 1506 | * kernel will give a panic after successful assoc */ |
| 1507 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) |
| 1508 | return -EFAULT; |
| 1509 | } |
| 1510 | |
| 1511 | return ret; |
| 1512 | } |
| 1513 | |
| 1514 | /* |
| 1515 | * CFG802.11 operation handler for association request. |
| 1516 | * |
| 1517 | * This function does not work when the current mode is set to Ad-Hoc, or |
| 1518 | * when there is already an association procedure going on. The given BSS |
| 1519 | * information is used to associate. |
| 1520 | */ |
| 1521 | static int |
| 1522 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| 1523 | struct cfg80211_connect_params *sme) |
| 1524 | { |
| 1525 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1526 | int ret = 0; |
| 1527 | |
| 1528 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
| 1529 | wiphy_err(wiphy, "received infra assoc request " |
| 1530 | "when station is in ibss mode\n"); |
| 1531 | goto done; |
| 1532 | } |
| 1533 | |
| 1534 | if (priv->bss_mode == NL80211_IFTYPE_AP) { |
| 1535 | wiphy_err(wiphy, "skip association request for AP interface\n"); |
| 1536 | goto done; |
| 1537 | } |
| 1538 | |
| 1539 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
| 1540 | (char *) sme->ssid, sme->bssid); |
| 1541 | |
| 1542 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, |
| 1543 | priv->bss_mode, sme->channel, sme, 0); |
| 1544 | done: |
| 1545 | if (!ret) { |
| 1546 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, |
| 1547 | NULL, 0, WLAN_STATUS_SUCCESS, |
| 1548 | GFP_KERNEL); |
| 1549 | dev_dbg(priv->adapter->dev, |
| 1550 | "info: associated to bssid %pM successfully\n", |
| 1551 | priv->cfg_bssid); |
| 1552 | } else { |
| 1553 | dev_dbg(priv->adapter->dev, |
| 1554 | "info: association to bssid %pM failed\n", |
| 1555 | priv->cfg_bssid); |
| 1556 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1557 | } |
| 1558 | |
| 1559 | return ret; |
| 1560 | } |
| 1561 | |
| 1562 | /* |
| 1563 | * This function sets following parameters for ibss network. |
| 1564 | * - channel |
| 1565 | * - start band |
| 1566 | * - 11n flag |
| 1567 | * - secondary channel offset |
| 1568 | */ |
| 1569 | static int mwifiex_set_ibss_params(struct mwifiex_private *priv, |
| 1570 | struct cfg80211_ibss_params *params) |
| 1571 | { |
| 1572 | struct wiphy *wiphy = priv->wdev->wiphy; |
| 1573 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1574 | int index = 0, i; |
| 1575 | u8 config_bands = 0; |
| 1576 | |
| 1577 | if (params->channel->band == IEEE80211_BAND_2GHZ) { |
| 1578 | if (!params->basic_rates) { |
| 1579 | config_bands = BAND_B | BAND_G; |
| 1580 | } else { |
| 1581 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { |
| 1582 | /* |
| 1583 | * Rates below 6 Mbps in the table are CCK |
| 1584 | * rates; 802.11b and from 6 they are OFDM; |
| 1585 | * 802.11G |
| 1586 | */ |
| 1587 | if (mwifiex_rates[i].bitrate == 60) { |
| 1588 | index = 1 << i; |
| 1589 | break; |
| 1590 | } |
| 1591 | } |
| 1592 | |
| 1593 | if (params->basic_rates < index) { |
| 1594 | config_bands = BAND_B; |
| 1595 | } else { |
| 1596 | config_bands = BAND_G; |
| 1597 | if (params->basic_rates % index) |
| 1598 | config_bands |= BAND_B; |
| 1599 | } |
| 1600 | } |
| 1601 | |
| 1602 | if (params->channel_type != NL80211_CHAN_NO_HT) |
| 1603 | config_bands |= BAND_GN; |
| 1604 | } else { |
| 1605 | if (params->channel_type == NL80211_CHAN_NO_HT) |
| 1606 | config_bands = BAND_A; |
| 1607 | else |
| 1608 | config_bands = BAND_AN | BAND_A; |
| 1609 | } |
| 1610 | |
| 1611 | if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { |
| 1612 | adapter->config_bands = config_bands; |
| 1613 | adapter->adhoc_start_band = config_bands; |
| 1614 | |
| 1615 | if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) |
| 1616 | adapter->adhoc_11n_enabled = true; |
| 1617 | else |
| 1618 | adapter->adhoc_11n_enabled = false; |
| 1619 | } |
| 1620 | |
| 1621 | adapter->sec_chan_offset = |
| 1622 | mwifiex_chan_type_to_sec_chan_offset(params->channel_type); |
| 1623 | priv->adhoc_channel = |
| 1624 | ieee80211_frequency_to_channel(params->channel->center_freq); |
| 1625 | |
| 1626 | wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n", |
| 1627 | config_bands, priv->adhoc_channel, adapter->sec_chan_offset); |
| 1628 | |
| 1629 | return 0; |
| 1630 | } |
| 1631 | |
| 1632 | /* |
| 1633 | * CFG802.11 operation handler to join an IBSS. |
| 1634 | * |
| 1635 | * This function does not work in any mode other than Ad-Hoc, or if |
| 1636 | * a join operation is already in progress. |
| 1637 | */ |
| 1638 | static int |
| 1639 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| 1640 | struct cfg80211_ibss_params *params) |
| 1641 | { |
| 1642 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1643 | int ret = 0; |
| 1644 | |
| 1645 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
| 1646 | wiphy_err(wiphy, "request to join ibss received " |
| 1647 | "when station is not in ibss mode\n"); |
| 1648 | goto done; |
| 1649 | } |
| 1650 | |
| 1651 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
| 1652 | (char *) params->ssid, params->bssid); |
| 1653 | |
| 1654 | mwifiex_set_ibss_params(priv, params); |
| 1655 | |
| 1656 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, |
| 1657 | params->bssid, priv->bss_mode, |
| 1658 | params->channel, NULL, params->privacy); |
| 1659 | done: |
| 1660 | if (!ret) { |
| 1661 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); |
| 1662 | dev_dbg(priv->adapter->dev, |
| 1663 | "info: joined/created adhoc network with bssid" |
| 1664 | " %pM successfully\n", priv->cfg_bssid); |
| 1665 | } else { |
| 1666 | dev_dbg(priv->adapter->dev, |
| 1667 | "info: failed creating/joining adhoc network\n"); |
| 1668 | } |
| 1669 | |
| 1670 | return ret; |
| 1671 | } |
| 1672 | |
| 1673 | /* |
| 1674 | * CFG802.11 operation handler to leave an IBSS. |
| 1675 | * |
| 1676 | * This function does not work if a leave operation is |
| 1677 | * already in progress. |
| 1678 | */ |
| 1679 | static int |
| 1680 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| 1681 | { |
| 1682 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1683 | |
| 1684 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
| 1685 | priv->cfg_bssid); |
| 1686 | if (mwifiex_deauthenticate(priv, NULL)) |
| 1687 | return -EFAULT; |
| 1688 | |
| 1689 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
| 1690 | |
| 1691 | return 0; |
| 1692 | } |
| 1693 | |
| 1694 | /* |
| 1695 | * CFG802.11 operation handler for scan request. |
| 1696 | * |
| 1697 | * This function issues a scan request to the firmware based upon |
| 1698 | * the user specified scan configuration. On successfull completion, |
| 1699 | * it also informs the results. |
| 1700 | */ |
| 1701 | static int |
| 1702 | mwifiex_cfg80211_scan(struct wiphy *wiphy, |
| 1703 | struct cfg80211_scan_request *request) |
| 1704 | { |
| 1705 | struct net_device *dev = request->wdev->netdev; |
| 1706 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1707 | int i, offset; |
| 1708 | struct ieee80211_channel *chan; |
| 1709 | struct ieee_types_header *ie; |
| 1710 | |
| 1711 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); |
| 1712 | |
| 1713 | if (atomic_read(&priv->wmm.tx_pkts_queued) >= |
| 1714 | MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) { |
| 1715 | dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n"); |
| 1716 | return -EBUSY; |
| 1717 | } |
| 1718 | |
| 1719 | priv->scan_request = request; |
| 1720 | |
| 1721 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
| 1722 | GFP_KERNEL); |
| 1723 | if (!priv->user_scan_cfg) { |
| 1724 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); |
| 1725 | return -ENOMEM; |
| 1726 | } |
| 1727 | |
| 1728 | priv->user_scan_cfg->num_ssids = request->n_ssids; |
| 1729 | priv->user_scan_cfg->ssid_list = request->ssids; |
| 1730 | |
| 1731 | if (request->ie && request->ie_len) { |
| 1732 | offset = 0; |
| 1733 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 1734 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) |
| 1735 | continue; |
| 1736 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; |
| 1737 | ie = (struct ieee_types_header *)(request->ie + offset); |
| 1738 | memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); |
| 1739 | offset += sizeof(*ie) + ie->len; |
| 1740 | |
| 1741 | if (offset >= request->ie_len) |
| 1742 | break; |
| 1743 | } |
| 1744 | } |
| 1745 | |
| 1746 | for (i = 0; i < request->n_channels; i++) { |
| 1747 | chan = request->channels[i]; |
| 1748 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; |
| 1749 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; |
| 1750 | |
| 1751 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 1752 | priv->user_scan_cfg->chan_list[i].scan_type = |
| 1753 | MWIFIEX_SCAN_TYPE_PASSIVE; |
| 1754 | else |
| 1755 | priv->user_scan_cfg->chan_list[i].scan_type = |
| 1756 | MWIFIEX_SCAN_TYPE_ACTIVE; |
| 1757 | |
| 1758 | priv->user_scan_cfg->chan_list[i].scan_time = 0; |
| 1759 | } |
| 1760 | if (mwifiex_scan_networks(priv, priv->user_scan_cfg)) |
| 1761 | return -EFAULT; |
| 1762 | |
| 1763 | if (request->ie && request->ie_len) { |
| 1764 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 1765 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { |
| 1766 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; |
| 1767 | memset(&priv->vs_ie[i].ie, 0, |
| 1768 | MWIFIEX_MAX_VSIE_LEN); |
| 1769 | } |
| 1770 | } |
| 1771 | } |
| 1772 | return 0; |
| 1773 | } |
| 1774 | |
| 1775 | /* |
| 1776 | * This function sets up the CFG802.11 specific HT capability fields |
| 1777 | * with default values. |
| 1778 | * |
| 1779 | * The following default values are set - |
| 1780 | * - HT Supported = True |
| 1781 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
| 1782 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE |
| 1783 | * - HT Capabilities supported by firmware |
| 1784 | * - MCS information, Rx mask = 0xff |
| 1785 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) |
| 1786 | */ |
| 1787 | static void |
| 1788 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, |
| 1789 | struct mwifiex_private *priv) |
| 1790 | { |
| 1791 | int rx_mcs_supp; |
| 1792 | struct ieee80211_mcs_info mcs_set; |
| 1793 | u8 *mcs = (u8 *)&mcs_set; |
| 1794 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1795 | |
| 1796 | ht_info->ht_supported = true; |
| 1797 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 1798 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; |
| 1799 | |
| 1800 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
| 1801 | |
| 1802 | /* Fill HT capability information */ |
| 1803 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 1804 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 1805 | else |
| 1806 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 1807 | |
| 1808 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) |
| 1809 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 1810 | else |
| 1811 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; |
| 1812 | |
| 1813 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) |
| 1814 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 1815 | else |
| 1816 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; |
| 1817 | |
| 1818 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) |
| 1819 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; |
| 1820 | else |
| 1821 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); |
| 1822 | |
| 1823 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) |
| 1824 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; |
| 1825 | else |
| 1826 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; |
| 1827 | |
| 1828 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; |
| 1829 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; |
| 1830 | |
| 1831 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); |
| 1832 | /* Set MCS for 1x1 */ |
| 1833 | memset(mcs, 0xff, rx_mcs_supp); |
| 1834 | /* Clear all the other values */ |
| 1835 | memset(&mcs[rx_mcs_supp], 0, |
| 1836 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
| 1837 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
| 1838 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 1839 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
| 1840 | SETHT_MCS32(mcs_set.rx_mask); |
| 1841 | |
| 1842 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); |
| 1843 | |
| 1844 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| 1845 | } |
| 1846 | |
| 1847 | /* |
| 1848 | * create a new virtual interface with the given name |
| 1849 | */ |
| 1850 | struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, |
| 1851 | const char *name, |
| 1852 | enum nl80211_iftype type, |
| 1853 | u32 *flags, |
| 1854 | struct vif_params *params) |
| 1855 | { |
| 1856 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 1857 | struct mwifiex_private *priv; |
| 1858 | struct net_device *dev; |
| 1859 | void *mdev_priv; |
| 1860 | struct wireless_dev *wdev; |
| 1861 | |
| 1862 | if (!adapter) |
| 1863 | return ERR_PTR(-EFAULT); |
| 1864 | |
| 1865 | switch (type) { |
| 1866 | case NL80211_IFTYPE_UNSPECIFIED: |
| 1867 | case NL80211_IFTYPE_STATION: |
| 1868 | case NL80211_IFTYPE_ADHOC: |
| 1869 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
| 1870 | if (priv->bss_mode) { |
| 1871 | wiphy_err(wiphy, |
| 1872 | "cannot create multiple sta/adhoc ifaces\n"); |
| 1873 | return ERR_PTR(-EINVAL); |
| 1874 | } |
| 1875 | |
| 1876 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 1877 | if (!wdev) |
| 1878 | return ERR_PTR(-ENOMEM); |
| 1879 | |
| 1880 | wdev->wiphy = wiphy; |
| 1881 | priv->wdev = wdev; |
| 1882 | wdev->iftype = NL80211_IFTYPE_STATION; |
| 1883 | |
| 1884 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
| 1885 | priv->bss_mode = NL80211_IFTYPE_STATION; |
| 1886 | else |
| 1887 | priv->bss_mode = type; |
| 1888 | |
| 1889 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; |
| 1890 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 1891 | priv->bss_priority = 0; |
| 1892 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 1893 | priv->bss_num = 0; |
| 1894 | |
| 1895 | break; |
| 1896 | case NL80211_IFTYPE_AP: |
| 1897 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; |
| 1898 | |
| 1899 | if (priv->bss_mode) { |
| 1900 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); |
| 1901 | return ERR_PTR(-EINVAL); |
| 1902 | } |
| 1903 | |
| 1904 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 1905 | if (!wdev) |
| 1906 | return ERR_PTR(-ENOMEM); |
| 1907 | |
| 1908 | priv->wdev = wdev; |
| 1909 | wdev->wiphy = wiphy; |
| 1910 | wdev->iftype = NL80211_IFTYPE_AP; |
| 1911 | |
| 1912 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; |
| 1913 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 1914 | priv->bss_priority = 0; |
| 1915 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; |
| 1916 | priv->bss_started = 0; |
| 1917 | priv->bss_num = 0; |
| 1918 | priv->bss_mode = type; |
| 1919 | |
| 1920 | break; |
| 1921 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1922 | priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P]; |
| 1923 | |
| 1924 | if (priv->bss_mode) { |
| 1925 | wiphy_err(wiphy, "Can't create multiple P2P ifaces"); |
| 1926 | return ERR_PTR(-EINVAL); |
| 1927 | } |
| 1928 | |
| 1929 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 1930 | if (!wdev) |
| 1931 | return ERR_PTR(-ENOMEM); |
| 1932 | |
| 1933 | priv->wdev = wdev; |
| 1934 | wdev->wiphy = wiphy; |
| 1935 | |
| 1936 | /* At start-up, wpa_supplicant tries to change the interface |
| 1937 | * to NL80211_IFTYPE_STATION if it is not managed mode. |
| 1938 | * So, we initialize it to STA mode. |
| 1939 | */ |
| 1940 | wdev->iftype = NL80211_IFTYPE_STATION; |
| 1941 | priv->bss_mode = NL80211_IFTYPE_STATION; |
| 1942 | |
| 1943 | /* Setting bss_type to P2P tells firmware that this interface |
| 1944 | * is receiving P2P peers found during find phase and doing |
| 1945 | * action frame handshake. |
| 1946 | */ |
| 1947 | priv->bss_type = MWIFIEX_BSS_TYPE_P2P; |
| 1948 | |
| 1949 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 1950 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
| 1951 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 1952 | priv->bss_started = 0; |
| 1953 | priv->bss_num = 0; |
| 1954 | |
| 1955 | break; |
| 1956 | default: |
| 1957 | wiphy_err(wiphy, "type not supported\n"); |
| 1958 | return ERR_PTR(-EINVAL); |
| 1959 | } |
| 1960 | |
| 1961 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, |
| 1962 | ether_setup, 1); |
| 1963 | if (!dev) { |
| 1964 | wiphy_err(wiphy, "no memory available for netdevice\n"); |
| 1965 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 1966 | return ERR_PTR(-ENOMEM); |
| 1967 | } |
| 1968 | |
| 1969 | mwifiex_init_priv_params(priv, dev); |
| 1970 | priv->netdev = dev; |
| 1971 | |
| 1972 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); |
| 1973 | |
| 1974 | if (adapter->config_bands & BAND_A) |
| 1975 | mwifiex_setup_ht_caps( |
| 1976 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); |
| 1977 | |
| 1978 | dev_net_set(dev, wiphy_net(wiphy)); |
| 1979 | dev->ieee80211_ptr = priv->wdev; |
| 1980 | dev->ieee80211_ptr->iftype = priv->bss_mode; |
| 1981 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); |
| 1982 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); |
| 1983 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); |
| 1984 | |
| 1985 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
| 1986 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; |
| 1987 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; |
| 1988 | |
| 1989 | mdev_priv = netdev_priv(dev); |
| 1990 | *((unsigned long *) mdev_priv) = (unsigned long) priv; |
| 1991 | |
| 1992 | SET_NETDEV_DEV(dev, adapter->dev); |
| 1993 | |
| 1994 | /* Register network device */ |
| 1995 | if (register_netdevice(dev)) { |
| 1996 | wiphy_err(wiphy, "cannot register virtual network device\n"); |
| 1997 | free_netdev(dev); |
| 1998 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 1999 | return ERR_PTR(-EFAULT); |
| 2000 | } |
| 2001 | |
| 2002 | sema_init(&priv->async_sem, 1); |
| 2003 | priv->scan_pending_on_block = false; |
| 2004 | |
| 2005 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); |
| 2006 | |
| 2007 | #ifdef CONFIG_DEBUG_FS |
| 2008 | mwifiex_dev_debugfs_init(priv); |
| 2009 | #endif |
| 2010 | return wdev; |
| 2011 | } |
| 2012 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); |
| 2013 | |
| 2014 | /* |
| 2015 | * del_virtual_intf: remove the virtual interface determined by dev |
| 2016 | */ |
| 2017 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
| 2018 | { |
| 2019 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 2020 | |
| 2021 | #ifdef CONFIG_DEBUG_FS |
| 2022 | mwifiex_dev_debugfs_remove(priv); |
| 2023 | #endif |
| 2024 | |
| 2025 | if (!netif_queue_stopped(priv->netdev)) |
| 2026 | netif_stop_queue(priv->netdev); |
| 2027 | |
| 2028 | if (netif_carrier_ok(priv->netdev)) |
| 2029 | netif_carrier_off(priv->netdev); |
| 2030 | |
| 2031 | if (wdev->netdev->reg_state == NETREG_REGISTERED) |
| 2032 | unregister_netdevice(wdev->netdev); |
| 2033 | |
| 2034 | if (wdev->netdev->reg_state == NETREG_UNREGISTERED) |
| 2035 | free_netdev(wdev->netdev); |
| 2036 | |
| 2037 | /* Clear the priv in adapter */ |
| 2038 | priv->netdev = NULL; |
| 2039 | |
| 2040 | priv->media_connected = false; |
| 2041 | |
| 2042 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2043 | |
| 2044 | return 0; |
| 2045 | } |
| 2046 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); |
| 2047 | |
| 2048 | /* station cfg80211 operations */ |
| 2049 | static struct cfg80211_ops mwifiex_cfg80211_ops = { |
| 2050 | .add_virtual_intf = mwifiex_add_virtual_intf, |
| 2051 | .del_virtual_intf = mwifiex_del_virtual_intf, |
| 2052 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
| 2053 | .scan = mwifiex_cfg80211_scan, |
| 2054 | .connect = mwifiex_cfg80211_connect, |
| 2055 | .disconnect = mwifiex_cfg80211_disconnect, |
| 2056 | .get_station = mwifiex_cfg80211_get_station, |
| 2057 | .dump_station = mwifiex_cfg80211_dump_station, |
| 2058 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
| 2059 | .join_ibss = mwifiex_cfg80211_join_ibss, |
| 2060 | .leave_ibss = mwifiex_cfg80211_leave_ibss, |
| 2061 | .add_key = mwifiex_cfg80211_add_key, |
| 2062 | .del_key = mwifiex_cfg80211_del_key, |
| 2063 | .mgmt_tx = mwifiex_cfg80211_mgmt_tx, |
| 2064 | .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, |
| 2065 | .remain_on_channel = mwifiex_cfg80211_remain_on_channel, |
| 2066 | .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, |
| 2067 | .set_default_key = mwifiex_cfg80211_set_default_key, |
| 2068 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, |
| 2069 | .set_tx_power = mwifiex_cfg80211_set_tx_power, |
| 2070 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
| 2071 | .start_ap = mwifiex_cfg80211_start_ap, |
| 2072 | .stop_ap = mwifiex_cfg80211_stop_ap, |
| 2073 | .change_beacon = mwifiex_cfg80211_change_beacon, |
| 2074 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
| 2075 | .set_antenna = mwifiex_cfg80211_set_antenna, |
| 2076 | }; |
| 2077 | |
| 2078 | /* |
| 2079 | * This function registers the device with CFG802.11 subsystem. |
| 2080 | * |
| 2081 | * The function creates the wireless device/wiphy, populates it with |
| 2082 | * default parameters and handler function pointers, and finally |
| 2083 | * registers the device. |
| 2084 | */ |
| 2085 | |
| 2086 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) |
| 2087 | { |
| 2088 | int ret; |
| 2089 | void *wdev_priv; |
| 2090 | struct wiphy *wiphy; |
| 2091 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
| 2092 | u8 *country_code; |
| 2093 | |
| 2094 | /* create a new wiphy for use with cfg80211 */ |
| 2095 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, |
| 2096 | sizeof(struct mwifiex_adapter *)); |
| 2097 | if (!wiphy) { |
| 2098 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); |
| 2099 | return -ENOMEM; |
| 2100 | } |
| 2101 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
| 2102 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; |
| 2103 | wiphy->mgmt_stypes = mwifiex_mgmt_stypes; |
| 2104 | wiphy->max_remain_on_channel_duration = 5000; |
| 2105 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 2106 | BIT(NL80211_IFTYPE_ADHOC) | |
| 2107 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 2108 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 2109 | BIT(NL80211_IFTYPE_AP); |
| 2110 | |
| 2111 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; |
| 2112 | if (adapter->config_bands & BAND_A) |
| 2113 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; |
| 2114 | else |
| 2115 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; |
| 2116 | |
| 2117 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
| 2118 | wiphy->n_iface_combinations = 1; |
| 2119 | |
| 2120 | /* Initialize cipher suits */ |
| 2121 | wiphy->cipher_suites = mwifiex_cipher_suites; |
| 2122 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); |
| 2123 | |
| 2124 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
| 2125 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 2126 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | |
| 2127 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | |
| 2128 | WIPHY_FLAG_CUSTOM_REGULATORY | |
| 2129 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
| 2130 | |
| 2131 | wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom); |
| 2132 | |
| 2133 | wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | |
| 2134 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | |
| 2135 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; |
| 2136 | |
| 2137 | wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; |
| 2138 | wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; |
| 2139 | |
| 2140 | wiphy->features = NL80211_FEATURE_HT_IBSS; |
| 2141 | |
| 2142 | /* Reserve space for mwifiex specific private data for BSS */ |
| 2143 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
| 2144 | |
| 2145 | wiphy->reg_notifier = mwifiex_reg_notifier; |
| 2146 | |
| 2147 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
| 2148 | wdev_priv = wiphy_priv(wiphy); |
| 2149 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
| 2150 | |
| 2151 | set_wiphy_dev(wiphy, priv->adapter->dev); |
| 2152 | |
| 2153 | ret = wiphy_register(wiphy); |
| 2154 | if (ret < 0) { |
| 2155 | dev_err(adapter->dev, |
| 2156 | "%s: wiphy_register failed: %d\n", __func__, ret); |
| 2157 | wiphy_free(wiphy); |
| 2158 | return ret; |
| 2159 | } |
| 2160 | country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); |
| 2161 | if (country_code) |
| 2162 | dev_info(adapter->dev, |
| 2163 | "ignoring F/W country code %2.2s\n", country_code); |
| 2164 | |
| 2165 | adapter->wiphy = wiphy; |
| 2166 | return ret; |
| 2167 | } |