| 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 | #include "11n.h" |
| 23 | #include "wmm.h" |
| 24 | |
| 25 | static char *reg_alpha2; |
| 26 | module_param(reg_alpha2, charp, 0); |
| 27 | |
| 28 | static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { |
| 29 | { |
| 30 | .max = 3, .types = BIT(NL80211_IFTYPE_STATION) | |
| 31 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 32 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 33 | BIT(NL80211_IFTYPE_AP), |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | static const struct ieee80211_iface_combination |
| 38 | mwifiex_iface_comb_ap_sta = { |
| 39 | .limits = mwifiex_ap_sta_limits, |
| 40 | .num_different_channels = 1, |
| 41 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), |
| 42 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, |
| 43 | .beacon_int_infra_match = true, |
| 44 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
| 45 | BIT(NL80211_CHAN_WIDTH_20) | |
| 46 | BIT(NL80211_CHAN_WIDTH_40), |
| 47 | }; |
| 48 | |
| 49 | static const struct ieee80211_iface_combination |
| 50 | mwifiex_iface_comb_ap_sta_vht = { |
| 51 | .limits = mwifiex_ap_sta_limits, |
| 52 | .num_different_channels = 1, |
| 53 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), |
| 54 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, |
| 55 | .beacon_int_infra_match = true, |
| 56 | .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
| 57 | BIT(NL80211_CHAN_WIDTH_20) | |
| 58 | BIT(NL80211_CHAN_WIDTH_40) | |
| 59 | BIT(NL80211_CHAN_WIDTH_80), |
| 60 | }; |
| 61 | |
| 62 | static const struct |
| 63 | ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { |
| 64 | .limits = mwifiex_ap_sta_limits, |
| 65 | .num_different_channels = 2, |
| 66 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), |
| 67 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, |
| 68 | .beacon_int_infra_match = true, |
| 69 | }; |
| 70 | |
| 71 | /* |
| 72 | * This function maps the nl802.11 channel type into driver channel type. |
| 73 | * |
| 74 | * The mapping is as follows - |
| 75 | * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 76 | * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 77 | * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE |
| 78 | * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW |
| 79 | * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
| 80 | */ |
| 81 | u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) |
| 82 | { |
| 83 | switch (chan_type) { |
| 84 | case NL80211_CHAN_NO_HT: |
| 85 | case NL80211_CHAN_HT20: |
| 86 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 87 | case NL80211_CHAN_HT40PLUS: |
| 88 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 89 | case NL80211_CHAN_HT40MINUS: |
| 90 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 91 | default: |
| 92 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /* This function maps IEEE HT secondary channel type to NL80211 channel type |
| 97 | */ |
| 98 | u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset) |
| 99 | { |
| 100 | switch (second_chan_offset) { |
| 101 | case IEEE80211_HT_PARAM_CHA_SEC_NONE: |
| 102 | return NL80211_CHAN_HT20; |
| 103 | case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |
| 104 | return NL80211_CHAN_HT40PLUS; |
| 105 | case IEEE80211_HT_PARAM_CHA_SEC_BELOW: |
| 106 | return NL80211_CHAN_HT40MINUS; |
| 107 | default: |
| 108 | return NL80211_CHAN_HT20; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | /* |
| 113 | * This function checks whether WEP is set. |
| 114 | */ |
| 115 | static int |
| 116 | mwifiex_is_alg_wep(u32 cipher) |
| 117 | { |
| 118 | switch (cipher) { |
| 119 | case WLAN_CIPHER_SUITE_WEP40: |
| 120 | case WLAN_CIPHER_SUITE_WEP104: |
| 121 | return 1; |
| 122 | default: |
| 123 | break; |
| 124 | } |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | /* |
| 130 | * This function retrieves the private structure from kernel wiphy structure. |
| 131 | */ |
| 132 | static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) |
| 133 | { |
| 134 | return (void *) (*(unsigned long *) wiphy_priv(wiphy)); |
| 135 | } |
| 136 | |
| 137 | /* |
| 138 | * CFG802.11 operation handler to delete a network key. |
| 139 | */ |
| 140 | static int |
| 141 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, |
| 142 | u8 key_index, bool pairwise, const u8 *mac_addr) |
| 143 | { |
| 144 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 145 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 146 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 147 | |
| 148 | if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { |
| 149 | mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); |
| 150 | return -EFAULT; |
| 151 | } |
| 152 | |
| 153 | mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | /* |
| 158 | * This function forms an skb for management frame. |
| 159 | */ |
| 160 | static int |
| 161 | mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) |
| 162 | { |
| 163 | u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; |
| 164 | u16 pkt_len; |
| 165 | u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; |
| 166 | |
| 167 | pkt_len = len + ETH_ALEN; |
| 168 | |
| 169 | skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + |
| 170 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); |
| 171 | memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); |
| 172 | |
| 173 | memcpy(skb_push(skb, sizeof(tx_control)), |
| 174 | &tx_control, sizeof(tx_control)); |
| 175 | |
| 176 | memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); |
| 177 | |
| 178 | /* Add packet data and address4 */ |
| 179 | memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, |
| 180 | sizeof(struct ieee80211_hdr_3addr)); |
| 181 | memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); |
| 182 | memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), |
| 183 | buf + sizeof(struct ieee80211_hdr_3addr), |
| 184 | len - sizeof(struct ieee80211_hdr_3addr)); |
| 185 | |
| 186 | skb->priority = LOW_PRIO_TID; |
| 187 | __net_timestamp(skb); |
| 188 | |
| 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * CFG802.11 operation handler to transmit a management frame. |
| 194 | */ |
| 195 | static int |
| 196 | mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 197 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
| 198 | { |
| 199 | const u8 *buf = params->buf; |
| 200 | size_t len = params->len; |
| 201 | struct sk_buff *skb; |
| 202 | u16 pkt_len; |
| 203 | const struct ieee80211_mgmt *mgmt; |
| 204 | struct mwifiex_txinfo *tx_info; |
| 205 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 206 | |
| 207 | if (!buf || !len) { |
| 208 | mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); |
| 209 | return -EFAULT; |
| 210 | } |
| 211 | |
| 212 | mgmt = (const struct ieee80211_mgmt *)buf; |
| 213 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && |
| 214 | ieee80211_is_probe_resp(mgmt->frame_control)) { |
| 215 | /* Since we support offload probe resp, we need to skip probe |
| 216 | * resp in AP or GO mode */ |
| 217 | mwifiex_dbg(priv->adapter, INFO, |
| 218 | "info: skip to send probe resp in AP or GO mode\n"); |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | pkt_len = len + ETH_ALEN; |
| 223 | skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + |
| 224 | MWIFIEX_MGMT_FRAME_HEADER_SIZE + |
| 225 | pkt_len + sizeof(pkt_len)); |
| 226 | |
| 227 | if (!skb) { |
| 228 | mwifiex_dbg(priv->adapter, ERROR, |
| 229 | "allocate skb failed for management frame\n"); |
| 230 | return -ENOMEM; |
| 231 | } |
| 232 | |
| 233 | tx_info = MWIFIEX_SKB_TXCB(skb); |
| 234 | memset(tx_info, 0, sizeof(*tx_info)); |
| 235 | tx_info->bss_num = priv->bss_num; |
| 236 | tx_info->bss_type = priv->bss_type; |
| 237 | tx_info->pkt_len = pkt_len; |
| 238 | |
| 239 | mwifiex_form_mgmt_frame(skb, buf, len); |
| 240 | *cookie = prandom_u32() | 1; |
| 241 | |
| 242 | if (ieee80211_is_action(mgmt->frame_control)) |
| 243 | skb = mwifiex_clone_skb_for_tx_status(priv, |
| 244 | skb, |
| 245 | MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); |
| 246 | else |
| 247 | cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, |
| 248 | GFP_ATOMIC); |
| 249 | |
| 250 | mwifiex_queue_tx_pkt(priv, skb); |
| 251 | |
| 252 | mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | /* |
| 257 | * CFG802.11 operation handler to register a mgmt frame. |
| 258 | */ |
| 259 | static void |
| 260 | mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, |
| 261 | struct wireless_dev *wdev, |
| 262 | u16 frame_type, bool reg) |
| 263 | { |
| 264 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 265 | u32 mask; |
| 266 | |
| 267 | if (reg) |
| 268 | mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); |
| 269 | else |
| 270 | mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); |
| 271 | |
| 272 | if (mask != priv->mgmt_frame_mask) { |
| 273 | priv->mgmt_frame_mask = mask; |
| 274 | mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, |
| 275 | HostCmd_ACT_GEN_SET, 0, |
| 276 | &priv->mgmt_frame_mask, false); |
| 277 | mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | /* |
| 282 | * CFG802.11 operation handler to remain on channel. |
| 283 | */ |
| 284 | static int |
| 285 | mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, |
| 286 | struct wireless_dev *wdev, |
| 287 | struct ieee80211_channel *chan, |
| 288 | unsigned int duration, u64 *cookie) |
| 289 | { |
| 290 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 291 | int ret; |
| 292 | |
| 293 | if (!chan || !cookie) { |
| 294 | mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); |
| 295 | return -EINVAL; |
| 296 | } |
| 297 | |
| 298 | if (priv->roc_cfg.cookie) { |
| 299 | mwifiex_dbg(priv->adapter, INFO, |
| 300 | "info: ongoing ROC, cookie = 0x%llx\n", |
| 301 | priv->roc_cfg.cookie); |
| 302 | return -EBUSY; |
| 303 | } |
| 304 | |
| 305 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, |
| 306 | duration); |
| 307 | |
| 308 | if (!ret) { |
| 309 | *cookie = prandom_u32() | 1; |
| 310 | priv->roc_cfg.cookie = *cookie; |
| 311 | priv->roc_cfg.chan = *chan; |
| 312 | |
| 313 | cfg80211_ready_on_channel(wdev, *cookie, chan, |
| 314 | duration, GFP_ATOMIC); |
| 315 | |
| 316 | mwifiex_dbg(priv->adapter, INFO, |
| 317 | "info: ROC, cookie = 0x%llx\n", *cookie); |
| 318 | } |
| 319 | |
| 320 | return ret; |
| 321 | } |
| 322 | |
| 323 | /* |
| 324 | * CFG802.11 operation handler to cancel remain on channel. |
| 325 | */ |
| 326 | static int |
| 327 | mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
| 328 | struct wireless_dev *wdev, u64 cookie) |
| 329 | { |
| 330 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 331 | int ret; |
| 332 | |
| 333 | if (cookie != priv->roc_cfg.cookie) |
| 334 | return -ENOENT; |
| 335 | |
| 336 | ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, |
| 337 | &priv->roc_cfg.chan, 0); |
| 338 | |
| 339 | if (!ret) { |
| 340 | cfg80211_remain_on_channel_expired(wdev, cookie, |
| 341 | &priv->roc_cfg.chan, |
| 342 | GFP_ATOMIC); |
| 343 | |
| 344 | memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); |
| 345 | |
| 346 | mwifiex_dbg(priv->adapter, INFO, |
| 347 | "info: cancel ROC, cookie = 0x%llx\n", cookie); |
| 348 | } |
| 349 | |
| 350 | return ret; |
| 351 | } |
| 352 | |
| 353 | /* |
| 354 | * CFG802.11 operation handler to set Tx power. |
| 355 | */ |
| 356 | static int |
| 357 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, |
| 358 | struct wireless_dev *wdev, |
| 359 | enum nl80211_tx_power_setting type, |
| 360 | int mbm) |
| 361 | { |
| 362 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 363 | struct mwifiex_private *priv; |
| 364 | struct mwifiex_power_cfg power_cfg; |
| 365 | int dbm = MBM_TO_DBM(mbm); |
| 366 | |
| 367 | if (type == NL80211_TX_POWER_FIXED) { |
| 368 | power_cfg.is_power_auto = 0; |
| 369 | power_cfg.power_level = dbm; |
| 370 | } else { |
| 371 | power_cfg.is_power_auto = 1; |
| 372 | } |
| 373 | |
| 374 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 375 | |
| 376 | return mwifiex_set_tx_power(priv, &power_cfg); |
| 377 | } |
| 378 | |
| 379 | /* |
| 380 | * CFG802.11 operation handler to set Power Save option. |
| 381 | * |
| 382 | * The timeout value, if provided, is currently ignored. |
| 383 | */ |
| 384 | static int |
| 385 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
| 386 | struct net_device *dev, |
| 387 | bool enabled, int timeout) |
| 388 | { |
| 389 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 390 | u32 ps_mode; |
| 391 | |
| 392 | if (timeout) |
| 393 | mwifiex_dbg(priv->adapter, INFO, |
| 394 | "info: ignore timeout value for IEEE Power Save\n"); |
| 395 | |
| 396 | ps_mode = enabled; |
| 397 | |
| 398 | return mwifiex_drv_set_power(priv, &ps_mode); |
| 399 | } |
| 400 | |
| 401 | /* |
| 402 | * CFG802.11 operation handler to set the default network key. |
| 403 | */ |
| 404 | static int |
| 405 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, |
| 406 | u8 key_index, bool unicast, |
| 407 | bool multicast) |
| 408 | { |
| 409 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 410 | |
| 411 | /* Return if WEP key not configured */ |
| 412 | if (!priv->sec_info.wep_enabled) |
| 413 | return 0; |
| 414 | |
| 415 | if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { |
| 416 | priv->wep_key_curr_index = key_index; |
| 417 | } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, |
| 418 | NULL, 0)) { |
| 419 | mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); |
| 420 | return -EFAULT; |
| 421 | } |
| 422 | |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * CFG802.11 operation handler to add a network key. |
| 428 | */ |
| 429 | static int |
| 430 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, |
| 431 | u8 key_index, bool pairwise, const u8 *mac_addr, |
| 432 | struct key_params *params) |
| 433 | { |
| 434 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
| 435 | struct mwifiex_wep_key *wep_key; |
| 436 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 437 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; |
| 438 | |
| 439 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
| 440 | (params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 441 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| 442 | if (params->key && params->key_len) { |
| 443 | wep_key = &priv->wep_key[key_index]; |
| 444 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
| 445 | memcpy(wep_key->key_material, params->key, |
| 446 | params->key_len); |
| 447 | wep_key->key_index = key_index; |
| 448 | wep_key->key_length = params->key_len; |
| 449 | priv->sec_info.wep_enabled = 1; |
| 450 | } |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | if (mwifiex_set_encode(priv, params, params->key, params->key_len, |
| 455 | key_index, peer_mac, 0)) { |
| 456 | mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); |
| 457 | return -EFAULT; |
| 458 | } |
| 459 | |
| 460 | return 0; |
| 461 | } |
| 462 | |
| 463 | /* |
| 464 | * This function sends domain information to the firmware. |
| 465 | * |
| 466 | * The following information are passed to the firmware - |
| 467 | * - Country codes |
| 468 | * - Sub bands (first channel, number of channels, maximum Tx power) |
| 469 | */ |
| 470 | int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) |
| 471 | { |
| 472 | u8 no_of_triplet = 0; |
| 473 | struct ieee80211_country_ie_triplet *t; |
| 474 | u8 no_of_parsed_chan = 0; |
| 475 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; |
| 476 | u8 i, flag = 0; |
| 477 | enum nl80211_band band; |
| 478 | struct ieee80211_supported_band *sband; |
| 479 | struct ieee80211_channel *ch; |
| 480 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 481 | struct mwifiex_private *priv; |
| 482 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
| 483 | |
| 484 | /* Set country code */ |
| 485 | domain_info->country_code[0] = adapter->country_code[0]; |
| 486 | domain_info->country_code[1] = adapter->country_code[1]; |
| 487 | domain_info->country_code[2] = ' '; |
| 488 | |
| 489 | band = mwifiex_band_to_radio_type(adapter->config_bands); |
| 490 | if (!wiphy->bands[band]) { |
| 491 | mwifiex_dbg(adapter, ERROR, |
| 492 | "11D: setting domain info in FW\n"); |
| 493 | return -1; |
| 494 | } |
| 495 | |
| 496 | sband = wiphy->bands[band]; |
| 497 | |
| 498 | for (i = 0; i < sband->n_channels ; i++) { |
| 499 | ch = &sband->channels[i]; |
| 500 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 501 | continue; |
| 502 | |
| 503 | if (!flag) { |
| 504 | flag = 1; |
| 505 | first_chan = (u32) ch->hw_value; |
| 506 | next_chan = first_chan; |
| 507 | max_pwr = ch->max_power; |
| 508 | no_of_parsed_chan = 1; |
| 509 | continue; |
| 510 | } |
| 511 | |
| 512 | if (ch->hw_value == next_chan + 1 && |
| 513 | ch->max_power == max_pwr) { |
| 514 | next_chan++; |
| 515 | no_of_parsed_chan++; |
| 516 | } else { |
| 517 | t = &domain_info->triplet[no_of_triplet]; |
| 518 | t->chans.first_channel = first_chan; |
| 519 | t->chans.num_channels = no_of_parsed_chan; |
| 520 | t->chans.max_power = max_pwr; |
| 521 | no_of_triplet++; |
| 522 | first_chan = (u32) ch->hw_value; |
| 523 | next_chan = first_chan; |
| 524 | max_pwr = ch->max_power; |
| 525 | no_of_parsed_chan = 1; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | if (flag) { |
| 530 | t = &domain_info->triplet[no_of_triplet]; |
| 531 | t->chans.first_channel = first_chan; |
| 532 | t->chans.num_channels = no_of_parsed_chan; |
| 533 | t->chans.max_power = max_pwr; |
| 534 | no_of_triplet++; |
| 535 | } |
| 536 | |
| 537 | domain_info->no_of_triplet = no_of_triplet; |
| 538 | |
| 539 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 540 | |
| 541 | if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
| 542 | HostCmd_ACT_GEN_SET, 0, NULL, false)) { |
| 543 | mwifiex_dbg(adapter, INFO, |
| 544 | "11D: setting domain info in FW\n"); |
| 545 | return -1; |
| 546 | } |
| 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
| 551 | /* |
| 552 | * CFG802.11 regulatory domain callback function. |
| 553 | * |
| 554 | * This function is called when the regulatory domain is changed due to the |
| 555 | * following reasons - |
| 556 | * - Set by driver |
| 557 | * - Set by system core |
| 558 | * - Set by user |
| 559 | * - Set bt Country IE |
| 560 | */ |
| 561 | static void mwifiex_reg_notifier(struct wiphy *wiphy, |
| 562 | struct regulatory_request *request) |
| 563 | { |
| 564 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 565 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, |
| 566 | MWIFIEX_BSS_ROLE_ANY); |
| 567 | mwifiex_dbg(adapter, INFO, |
| 568 | "info: cfg80211 regulatory domain callback for %c%c\n", |
| 569 | request->alpha2[0], request->alpha2[1]); |
| 570 | |
| 571 | switch (request->initiator) { |
| 572 | case NL80211_REGDOM_SET_BY_DRIVER: |
| 573 | case NL80211_REGDOM_SET_BY_CORE: |
| 574 | case NL80211_REGDOM_SET_BY_USER: |
| 575 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
| 576 | break; |
| 577 | default: |
| 578 | mwifiex_dbg(adapter, ERROR, |
| 579 | "unknown regdom initiator: %d\n", |
| 580 | request->initiator); |
| 581 | return; |
| 582 | } |
| 583 | |
| 584 | /* Don't send world or same regdom info to firmware */ |
| 585 | if (strncmp(request->alpha2, "00", 2) && |
| 586 | strncmp(request->alpha2, adapter->country_code, |
| 587 | sizeof(request->alpha2))) { |
| 588 | memcpy(adapter->country_code, request->alpha2, |
| 589 | sizeof(request->alpha2)); |
| 590 | mwifiex_send_domain_info_cmd_fw(wiphy); |
| 591 | mwifiex_dnld_txpwr_table(priv); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | /* |
| 596 | * This function sets the fragmentation threshold. |
| 597 | * |
| 598 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
| 599 | * and MWIFIEX_FRAG_MAX_VALUE. |
| 600 | */ |
| 601 | static int |
| 602 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) |
| 603 | { |
| 604 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
| 605 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) |
| 606 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
| 607 | |
| 608 | return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 609 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, |
| 610 | &frag_thr, true); |
| 611 | } |
| 612 | |
| 613 | /* |
| 614 | * This function sets the RTS threshold. |
| 615 | |
| 616 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE |
| 617 | * and MWIFIEX_RTS_MAX_VALUE. |
| 618 | */ |
| 619 | static int |
| 620 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) |
| 621 | { |
| 622 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
| 623 | rts_thr = MWIFIEX_RTS_MAX_VALUE; |
| 624 | |
| 625 | return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 626 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
| 627 | &rts_thr, true); |
| 628 | } |
| 629 | |
| 630 | /* |
| 631 | * CFG802.11 operation handler to set wiphy parameters. |
| 632 | * |
| 633 | * This function can be used to set the RTS threshold and the |
| 634 | * Fragmentation threshold of the driver. |
| 635 | */ |
| 636 | static int |
| 637 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 638 | { |
| 639 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 640 | struct mwifiex_private *priv; |
| 641 | struct mwifiex_uap_bss_param *bss_cfg; |
| 642 | int ret; |
| 643 | |
| 644 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
| 645 | |
| 646 | switch (priv->bss_role) { |
| 647 | case MWIFIEX_BSS_ROLE_UAP: |
| 648 | if (priv->bss_started) { |
| 649 | mwifiex_dbg(adapter, ERROR, |
| 650 | "cannot change wiphy params when bss started"); |
| 651 | return -EINVAL; |
| 652 | } |
| 653 | |
| 654 | bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); |
| 655 | if (!bss_cfg) |
| 656 | return -ENOMEM; |
| 657 | |
| 658 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 659 | |
| 660 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) |
| 661 | bss_cfg->rts_threshold = wiphy->rts_threshold; |
| 662 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) |
| 663 | bss_cfg->frag_threshold = wiphy->frag_threshold; |
| 664 | if (changed & WIPHY_PARAM_RETRY_LONG) |
| 665 | bss_cfg->retry_limit = wiphy->retry_long; |
| 666 | |
| 667 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, |
| 668 | HostCmd_ACT_GEN_SET, |
| 669 | UAP_BSS_PARAMS_I, bss_cfg, |
| 670 | false); |
| 671 | |
| 672 | kfree(bss_cfg); |
| 673 | if (ret) { |
| 674 | mwifiex_dbg(adapter, ERROR, |
| 675 | "Failed to set wiphy phy params\n"); |
| 676 | return ret; |
| 677 | } |
| 678 | break; |
| 679 | |
| 680 | case MWIFIEX_BSS_ROLE_STA: |
| 681 | if (priv->media_connected) { |
| 682 | mwifiex_dbg(adapter, ERROR, |
| 683 | "cannot change wiphy params when connected"); |
| 684 | return -EINVAL; |
| 685 | } |
| 686 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
| 687 | ret = mwifiex_set_rts(priv, |
| 688 | wiphy->rts_threshold); |
| 689 | if (ret) |
| 690 | return ret; |
| 691 | } |
| 692 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
| 693 | ret = mwifiex_set_frag(priv, |
| 694 | wiphy->frag_threshold); |
| 695 | if (ret) |
| 696 | return ret; |
| 697 | } |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | return 0; |
| 702 | } |
| 703 | |
| 704 | static int |
| 705 | mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) |
| 706 | { |
| 707 | u16 mode = P2P_MODE_DISABLE; |
| 708 | |
| 709 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 710 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 711 | return -1; |
| 712 | |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | /* |
| 717 | * This function initializes the functionalities for P2P client. |
| 718 | * The P2P client initialization sequence is: |
| 719 | * disable -> device -> client |
| 720 | */ |
| 721 | static int |
| 722 | mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) |
| 723 | { |
| 724 | u16 mode; |
| 725 | |
| 726 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 727 | return -1; |
| 728 | |
| 729 | mode = P2P_MODE_DEVICE; |
| 730 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 731 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 732 | return -1; |
| 733 | |
| 734 | mode = P2P_MODE_CLIENT; |
| 735 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 736 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 737 | return -1; |
| 738 | |
| 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | /* |
| 743 | * This function initializes the functionalities for P2P GO. |
| 744 | * The P2P GO initialization sequence is: |
| 745 | * disable -> device -> GO |
| 746 | */ |
| 747 | static int |
| 748 | mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) |
| 749 | { |
| 750 | u16 mode; |
| 751 | |
| 752 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 753 | return -1; |
| 754 | |
| 755 | mode = P2P_MODE_DEVICE; |
| 756 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 757 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 758 | return -1; |
| 759 | |
| 760 | mode = P2P_MODE_GO; |
| 761 | if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, |
| 762 | HostCmd_ACT_GEN_SET, 0, &mode, true)) |
| 763 | return -1; |
| 764 | |
| 765 | return 0; |
| 766 | } |
| 767 | |
| 768 | static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) |
| 769 | { |
| 770 | struct mwifiex_adapter *adapter = priv->adapter; |
| 771 | unsigned long flags; |
| 772 | |
| 773 | priv->mgmt_frame_mask = 0; |
| 774 | if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, |
| 775 | HostCmd_ACT_GEN_SET, 0, |
| 776 | &priv->mgmt_frame_mask, false)) { |
| 777 | mwifiex_dbg(adapter, ERROR, |
| 778 | "could not unregister mgmt frame rx\n"); |
| 779 | return -1; |
| 780 | } |
| 781 | |
| 782 | mwifiex_deauthenticate(priv, NULL); |
| 783 | |
| 784 | spin_lock_irqsave(&adapter->main_proc_lock, flags); |
| 785 | adapter->main_locked = true; |
| 786 | if (adapter->mwifiex_processing) { |
| 787 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 788 | flush_workqueue(adapter->workqueue); |
| 789 | } else { |
| 790 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 791 | } |
| 792 | |
| 793 | spin_lock_irqsave(&adapter->rx_proc_lock, flags); |
| 794 | adapter->rx_locked = true; |
| 795 | if (adapter->rx_processing) { |
| 796 | spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); |
| 797 | flush_workqueue(adapter->rx_workqueue); |
| 798 | } else { |
| 799 | spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); |
| 800 | } |
| 801 | |
| 802 | mwifiex_free_priv(priv); |
| 803 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 804 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 805 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 806 | |
| 807 | return 0; |
| 808 | } |
| 809 | |
| 810 | static int |
| 811 | mwifiex_init_new_priv_params(struct mwifiex_private *priv, |
| 812 | struct net_device *dev, |
| 813 | enum nl80211_iftype type) |
| 814 | { |
| 815 | struct mwifiex_adapter *adapter = priv->adapter; |
| 816 | unsigned long flags; |
| 817 | |
| 818 | mwifiex_init_priv(priv); |
| 819 | |
| 820 | priv->bss_mode = type; |
| 821 | priv->wdev.iftype = type; |
| 822 | |
| 823 | mwifiex_init_priv_params(priv, priv->netdev); |
| 824 | priv->bss_started = 0; |
| 825 | |
| 826 | switch (type) { |
| 827 | case NL80211_IFTYPE_STATION: |
| 828 | case NL80211_IFTYPE_ADHOC: |
| 829 | priv->bss_num = mwifiex_get_unused_bss_num(adapter, |
| 830 | MWIFIEX_BSS_TYPE_STA); |
| 831 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 832 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; |
| 833 | break; |
| 834 | case NL80211_IFTYPE_P2P_CLIENT: |
| 835 | priv->bss_num = mwifiex_get_unused_bss_num(adapter, |
| 836 | MWIFIEX_BSS_TYPE_P2P); |
| 837 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 838 | priv->bss_type = MWIFIEX_BSS_TYPE_P2P; |
| 839 | break; |
| 840 | case NL80211_IFTYPE_P2P_GO: |
| 841 | priv->bss_num = mwifiex_get_unused_bss_num(adapter, |
| 842 | MWIFIEX_BSS_TYPE_P2P); |
| 843 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; |
| 844 | priv->bss_type = MWIFIEX_BSS_TYPE_P2P; |
| 845 | break; |
| 846 | case NL80211_IFTYPE_AP: |
| 847 | priv->bss_num = mwifiex_get_unused_bss_num(adapter, |
| 848 | MWIFIEX_BSS_TYPE_UAP); |
| 849 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; |
| 850 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; |
| 851 | break; |
| 852 | default: |
| 853 | mwifiex_dbg(adapter, ERROR, |
| 854 | "%s: changing to %d not supported\n", |
| 855 | dev->name, type); |
| 856 | return -EOPNOTSUPP; |
| 857 | } |
| 858 | |
| 859 | spin_lock_irqsave(&adapter->main_proc_lock, flags); |
| 860 | adapter->main_locked = false; |
| 861 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 862 | |
| 863 | spin_lock_irqsave(&adapter->rx_proc_lock, flags); |
| 864 | adapter->rx_locked = false; |
| 865 | spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); |
| 866 | |
| 867 | return 0; |
| 868 | } |
| 869 | |
| 870 | static int |
| 871 | mwifiex_change_vif_to_p2p(struct net_device *dev, |
| 872 | enum nl80211_iftype curr_iftype, |
| 873 | enum nl80211_iftype type, u32 *flags, |
| 874 | struct vif_params *params) |
| 875 | { |
| 876 | struct mwifiex_private *priv; |
| 877 | struct mwifiex_adapter *adapter; |
| 878 | |
| 879 | priv = mwifiex_netdev_get_priv(dev); |
| 880 | |
| 881 | if (!priv) |
| 882 | return -1; |
| 883 | |
| 884 | adapter = priv->adapter; |
| 885 | |
| 886 | if (adapter->curr_iface_comb.p2p_intf == |
| 887 | adapter->iface_limit.p2p_intf) { |
| 888 | mwifiex_dbg(adapter, ERROR, |
| 889 | "cannot create multiple P2P ifaces\n"); |
| 890 | return -1; |
| 891 | } |
| 892 | |
| 893 | mwifiex_dbg(adapter, INFO, |
| 894 | "%s: changing role to p2p\n", dev->name); |
| 895 | |
| 896 | if (mwifiex_deinit_priv_params(priv)) |
| 897 | return -1; |
| 898 | if (mwifiex_init_new_priv_params(priv, dev, type)) |
| 899 | return -1; |
| 900 | |
| 901 | switch (type) { |
| 902 | case NL80211_IFTYPE_P2P_CLIENT: |
| 903 | if (mwifiex_cfg80211_init_p2p_client(priv)) |
| 904 | return -EFAULT; |
| 905 | break; |
| 906 | case NL80211_IFTYPE_P2P_GO: |
| 907 | if (mwifiex_cfg80211_init_p2p_go(priv)) |
| 908 | return -EFAULT; |
| 909 | break; |
| 910 | default: |
| 911 | mwifiex_dbg(adapter, ERROR, |
| 912 | "%s: changing to %d not supported\n", |
| 913 | dev->name, type); |
| 914 | return -EOPNOTSUPP; |
| 915 | } |
| 916 | |
| 917 | if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 918 | HostCmd_ACT_GEN_SET, 0, NULL, true)) |
| 919 | return -1; |
| 920 | |
| 921 | if (mwifiex_sta_init_cmd(priv, false, false)) |
| 922 | return -1; |
| 923 | |
| 924 | switch (curr_iftype) { |
| 925 | case NL80211_IFTYPE_STATION: |
| 926 | case NL80211_IFTYPE_ADHOC: |
| 927 | adapter->curr_iface_comb.sta_intf--; |
| 928 | break; |
| 929 | case NL80211_IFTYPE_AP: |
| 930 | adapter->curr_iface_comb.uap_intf--; |
| 931 | break; |
| 932 | default: |
| 933 | break; |
| 934 | } |
| 935 | |
| 936 | adapter->curr_iface_comb.p2p_intf++; |
| 937 | dev->ieee80211_ptr->iftype = type; |
| 938 | |
| 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | static int |
| 943 | mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, |
| 944 | enum nl80211_iftype curr_iftype, |
| 945 | enum nl80211_iftype type, u32 *flags, |
| 946 | struct vif_params *params) |
| 947 | { |
| 948 | struct mwifiex_private *priv; |
| 949 | struct mwifiex_adapter *adapter; |
| 950 | |
| 951 | priv = mwifiex_netdev_get_priv(dev); |
| 952 | |
| 953 | if (!priv) |
| 954 | return -1; |
| 955 | |
| 956 | adapter = priv->adapter; |
| 957 | |
| 958 | if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && |
| 959 | curr_iftype != NL80211_IFTYPE_P2P_GO) && |
| 960 | (adapter->curr_iface_comb.sta_intf == |
| 961 | adapter->iface_limit.sta_intf)) { |
| 962 | mwifiex_dbg(adapter, ERROR, |
| 963 | "cannot create multiple station/adhoc ifaces\n"); |
| 964 | return -1; |
| 965 | } |
| 966 | |
| 967 | if (type == NL80211_IFTYPE_STATION) |
| 968 | mwifiex_dbg(adapter, INFO, |
| 969 | "%s: changing role to station\n", dev->name); |
| 970 | else |
| 971 | mwifiex_dbg(adapter, INFO, |
| 972 | "%s: changing role to adhoc\n", dev->name); |
| 973 | |
| 974 | if (mwifiex_deinit_priv_params(priv)) |
| 975 | return -1; |
| 976 | if (mwifiex_init_new_priv_params(priv, dev, type)) |
| 977 | return -1; |
| 978 | if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 979 | HostCmd_ACT_GEN_SET, 0, NULL, true)) |
| 980 | return -1; |
| 981 | if (mwifiex_sta_init_cmd(priv, false, false)) |
| 982 | return -1; |
| 983 | |
| 984 | switch (curr_iftype) { |
| 985 | case NL80211_IFTYPE_P2P_CLIENT: |
| 986 | case NL80211_IFTYPE_P2P_GO: |
| 987 | adapter->curr_iface_comb.p2p_intf--; |
| 988 | break; |
| 989 | case NL80211_IFTYPE_AP: |
| 990 | adapter->curr_iface_comb.uap_intf--; |
| 991 | break; |
| 992 | default: |
| 993 | break; |
| 994 | } |
| 995 | |
| 996 | adapter->curr_iface_comb.sta_intf++; |
| 997 | dev->ieee80211_ptr->iftype = type; |
| 998 | return 0; |
| 999 | } |
| 1000 | |
| 1001 | static int |
| 1002 | mwifiex_change_vif_to_ap(struct net_device *dev, |
| 1003 | enum nl80211_iftype curr_iftype, |
| 1004 | enum nl80211_iftype type, u32 *flags, |
| 1005 | struct vif_params *params) |
| 1006 | { |
| 1007 | struct mwifiex_private *priv; |
| 1008 | struct mwifiex_adapter *adapter; |
| 1009 | |
| 1010 | priv = mwifiex_netdev_get_priv(dev); |
| 1011 | |
| 1012 | if (!priv) |
| 1013 | return -1; |
| 1014 | |
| 1015 | adapter = priv->adapter; |
| 1016 | |
| 1017 | if (adapter->curr_iface_comb.uap_intf == |
| 1018 | adapter->iface_limit.uap_intf) { |
| 1019 | mwifiex_dbg(adapter, ERROR, |
| 1020 | "cannot create multiple AP ifaces\n"); |
| 1021 | return -1; |
| 1022 | } |
| 1023 | |
| 1024 | mwifiex_dbg(adapter, INFO, |
| 1025 | "%s: changing role to AP\n", dev->name); |
| 1026 | |
| 1027 | if (mwifiex_deinit_priv_params(priv)) |
| 1028 | return -1; |
| 1029 | if (mwifiex_init_new_priv_params(priv, dev, type)) |
| 1030 | return -1; |
| 1031 | if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 1032 | HostCmd_ACT_GEN_SET, 0, NULL, true)) |
| 1033 | return -1; |
| 1034 | if (mwifiex_sta_init_cmd(priv, false, false)) |
| 1035 | return -1; |
| 1036 | |
| 1037 | switch (curr_iftype) { |
| 1038 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1039 | case NL80211_IFTYPE_P2P_GO: |
| 1040 | adapter->curr_iface_comb.p2p_intf--; |
| 1041 | break; |
| 1042 | case NL80211_IFTYPE_STATION: |
| 1043 | case NL80211_IFTYPE_ADHOC: |
| 1044 | adapter->curr_iface_comb.sta_intf--; |
| 1045 | break; |
| 1046 | default: |
| 1047 | break; |
| 1048 | } |
| 1049 | |
| 1050 | adapter->curr_iface_comb.uap_intf++; |
| 1051 | dev->ieee80211_ptr->iftype = type; |
| 1052 | return 0; |
| 1053 | } |
| 1054 | /* |
| 1055 | * CFG802.11 operation handler to change interface type. |
| 1056 | */ |
| 1057 | static int |
| 1058 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, |
| 1059 | struct net_device *dev, |
| 1060 | enum nl80211_iftype type, u32 *flags, |
| 1061 | struct vif_params *params) |
| 1062 | { |
| 1063 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1064 | enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; |
| 1065 | |
| 1066 | switch (curr_iftype) { |
| 1067 | case NL80211_IFTYPE_ADHOC: |
| 1068 | switch (type) { |
| 1069 | case NL80211_IFTYPE_STATION: |
| 1070 | priv->bss_mode = type; |
| 1071 | priv->sec_info.authentication_mode = |
| 1072 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1073 | dev->ieee80211_ptr->iftype = type; |
| 1074 | mwifiex_deauthenticate(priv, NULL); |
| 1075 | return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 1076 | HostCmd_ACT_GEN_SET, 0, NULL, |
| 1077 | true); |
| 1078 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1079 | case NL80211_IFTYPE_P2P_GO: |
| 1080 | return mwifiex_change_vif_to_p2p(dev, curr_iftype, |
| 1081 | type, flags, params); |
| 1082 | case NL80211_IFTYPE_AP: |
| 1083 | return mwifiex_change_vif_to_ap(dev, curr_iftype, type, |
| 1084 | flags, params); |
| 1085 | case NL80211_IFTYPE_UNSPECIFIED: |
| 1086 | mwifiex_dbg(priv->adapter, INFO, |
| 1087 | "%s: kept type as IBSS\n", dev->name); |
| 1088 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ |
| 1089 | return 0; |
| 1090 | default: |
| 1091 | mwifiex_dbg(priv->adapter, ERROR, |
| 1092 | "%s: changing to %d not supported\n", |
| 1093 | dev->name, type); |
| 1094 | return -EOPNOTSUPP; |
| 1095 | } |
| 1096 | break; |
| 1097 | case NL80211_IFTYPE_STATION: |
| 1098 | switch (type) { |
| 1099 | case NL80211_IFTYPE_ADHOC: |
| 1100 | priv->bss_mode = type; |
| 1101 | priv->sec_info.authentication_mode = |
| 1102 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1103 | dev->ieee80211_ptr->iftype = type; |
| 1104 | mwifiex_deauthenticate(priv, NULL); |
| 1105 | return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, |
| 1106 | HostCmd_ACT_GEN_SET, 0, NULL, |
| 1107 | true); |
| 1108 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1109 | case NL80211_IFTYPE_P2P_GO: |
| 1110 | return mwifiex_change_vif_to_p2p(dev, curr_iftype, |
| 1111 | type, flags, params); |
| 1112 | case NL80211_IFTYPE_AP: |
| 1113 | return mwifiex_change_vif_to_ap(dev, curr_iftype, type, |
| 1114 | flags, params); |
| 1115 | case NL80211_IFTYPE_UNSPECIFIED: |
| 1116 | mwifiex_dbg(priv->adapter, INFO, |
| 1117 | "%s: kept type as STA\n", dev->name); |
| 1118 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ |
| 1119 | return 0; |
| 1120 | default: |
| 1121 | mwifiex_dbg(priv->adapter, ERROR, |
| 1122 | "%s: changing to %d not supported\n", |
| 1123 | dev->name, type); |
| 1124 | return -EOPNOTSUPP; |
| 1125 | } |
| 1126 | break; |
| 1127 | case NL80211_IFTYPE_AP: |
| 1128 | switch (type) { |
| 1129 | case NL80211_IFTYPE_ADHOC: |
| 1130 | case NL80211_IFTYPE_STATION: |
| 1131 | return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, |
| 1132 | type, flags, |
| 1133 | params); |
| 1134 | break; |
| 1135 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1136 | case NL80211_IFTYPE_P2P_GO: |
| 1137 | return mwifiex_change_vif_to_p2p(dev, curr_iftype, |
| 1138 | type, flags, params); |
| 1139 | case NL80211_IFTYPE_UNSPECIFIED: |
| 1140 | mwifiex_dbg(priv->adapter, INFO, |
| 1141 | "%s: kept type as AP\n", dev->name); |
| 1142 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ |
| 1143 | return 0; |
| 1144 | default: |
| 1145 | mwifiex_dbg(priv->adapter, ERROR, |
| 1146 | "%s: changing to %d not supported\n", |
| 1147 | dev->name, type); |
| 1148 | return -EOPNOTSUPP; |
| 1149 | } |
| 1150 | break; |
| 1151 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1152 | case NL80211_IFTYPE_P2P_GO: |
| 1153 | switch (type) { |
| 1154 | case NL80211_IFTYPE_STATION: |
| 1155 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 1156 | return -EFAULT; |
| 1157 | priv->adapter->curr_iface_comb.p2p_intf--; |
| 1158 | priv->adapter->curr_iface_comb.sta_intf++; |
| 1159 | dev->ieee80211_ptr->iftype = type; |
| 1160 | break; |
| 1161 | case NL80211_IFTYPE_ADHOC: |
| 1162 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 1163 | return -EFAULT; |
| 1164 | return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, |
| 1165 | type, flags, |
| 1166 | params); |
| 1167 | break; |
| 1168 | case NL80211_IFTYPE_AP: |
| 1169 | if (mwifiex_cfg80211_deinit_p2p(priv)) |
| 1170 | return -EFAULT; |
| 1171 | return mwifiex_change_vif_to_ap(dev, curr_iftype, type, |
| 1172 | flags, params); |
| 1173 | case NL80211_IFTYPE_UNSPECIFIED: |
| 1174 | mwifiex_dbg(priv->adapter, INFO, |
| 1175 | "%s: kept type as P2P\n", dev->name); |
| 1176 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1177 | case NL80211_IFTYPE_P2P_GO: |
| 1178 | return 0; |
| 1179 | default: |
| 1180 | mwifiex_dbg(priv->adapter, ERROR, |
| 1181 | "%s: changing to %d not supported\n", |
| 1182 | dev->name, type); |
| 1183 | return -EOPNOTSUPP; |
| 1184 | } |
| 1185 | break; |
| 1186 | default: |
| 1187 | mwifiex_dbg(priv->adapter, ERROR, |
| 1188 | "%s: unknown iftype: %d\n", |
| 1189 | dev->name, dev->ieee80211_ptr->iftype); |
| 1190 | return -EOPNOTSUPP; |
| 1191 | } |
| 1192 | |
| 1193 | |
| 1194 | return 0; |
| 1195 | } |
| 1196 | |
| 1197 | static void |
| 1198 | mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, |
| 1199 | struct rate_info *rate) |
| 1200 | { |
| 1201 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1202 | |
| 1203 | if (adapter->is_hw_11ac_capable) { |
| 1204 | /* bit[1-0]: 00=LG 01=HT 10=VHT */ |
| 1205 | if (tx_htinfo & BIT(0)) { |
| 1206 | /* HT */ |
| 1207 | rate->mcs = priv->tx_rate; |
| 1208 | rate->flags |= RATE_INFO_FLAGS_MCS; |
| 1209 | } |
| 1210 | if (tx_htinfo & BIT(1)) { |
| 1211 | /* VHT */ |
| 1212 | rate->mcs = priv->tx_rate & 0x0F; |
| 1213 | rate->flags |= RATE_INFO_FLAGS_VHT_MCS; |
| 1214 | } |
| 1215 | |
| 1216 | if (tx_htinfo & (BIT(1) | BIT(0))) { |
| 1217 | /* HT or VHT */ |
| 1218 | switch (tx_htinfo & (BIT(3) | BIT(2))) { |
| 1219 | case 0: |
| 1220 | rate->bw = RATE_INFO_BW_20; |
| 1221 | break; |
| 1222 | case (BIT(2)): |
| 1223 | rate->bw = RATE_INFO_BW_40; |
| 1224 | break; |
| 1225 | case (BIT(3)): |
| 1226 | rate->bw = RATE_INFO_BW_80; |
| 1227 | break; |
| 1228 | case (BIT(3) | BIT(2)): |
| 1229 | rate->bw = RATE_INFO_BW_160; |
| 1230 | break; |
| 1231 | } |
| 1232 | |
| 1233 | if (tx_htinfo & BIT(4)) |
| 1234 | rate->flags |= RATE_INFO_FLAGS_SHORT_GI; |
| 1235 | |
| 1236 | if ((priv->tx_rate >> 4) == 1) |
| 1237 | rate->nss = 2; |
| 1238 | else |
| 1239 | rate->nss = 1; |
| 1240 | } |
| 1241 | } else { |
| 1242 | /* |
| 1243 | * Bit 0 in tx_htinfo indicates that current Tx rate |
| 1244 | * is 11n rate. Valid MCS index values for us are 0 to 15. |
| 1245 | */ |
| 1246 | if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { |
| 1247 | rate->mcs = priv->tx_rate; |
| 1248 | rate->flags |= RATE_INFO_FLAGS_MCS; |
| 1249 | rate->bw = RATE_INFO_BW_20; |
| 1250 | if (tx_htinfo & BIT(1)) |
| 1251 | rate->bw = RATE_INFO_BW_40; |
| 1252 | if (tx_htinfo & BIT(2)) |
| 1253 | rate->flags |= RATE_INFO_FLAGS_SHORT_GI; |
| 1254 | } |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | /* |
| 1259 | * This function dumps the station information on a buffer. |
| 1260 | * |
| 1261 | * The following information are shown - |
| 1262 | * - Total bytes transmitted |
| 1263 | * - Total bytes received |
| 1264 | * - Total packets transmitted |
| 1265 | * - Total packets received |
| 1266 | * - Signal quality level |
| 1267 | * - Transmission rate |
| 1268 | */ |
| 1269 | static int |
| 1270 | mwifiex_dump_station_info(struct mwifiex_private *priv, |
| 1271 | struct mwifiex_sta_node *node, |
| 1272 | struct station_info *sinfo) |
| 1273 | { |
| 1274 | u32 rate; |
| 1275 | |
| 1276 | sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | |
| 1277 | BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | |
| 1278 | BIT(NL80211_STA_INFO_TX_BITRATE) | |
| 1279 | BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); |
| 1280 | |
| 1281 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { |
| 1282 | if (!node) |
| 1283 | return -ENOENT; |
| 1284 | |
| 1285 | sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | |
| 1286 | BIT(NL80211_STA_INFO_TX_FAILED); |
| 1287 | sinfo->inactive_time = |
| 1288 | jiffies_to_msecs(jiffies - node->stats.last_rx); |
| 1289 | |
| 1290 | sinfo->signal = node->stats.rssi; |
| 1291 | sinfo->signal_avg = node->stats.rssi; |
| 1292 | sinfo->rx_bytes = node->stats.rx_bytes; |
| 1293 | sinfo->tx_bytes = node->stats.tx_bytes; |
| 1294 | sinfo->rx_packets = node->stats.rx_packets; |
| 1295 | sinfo->tx_packets = node->stats.tx_packets; |
| 1296 | sinfo->tx_failed = node->stats.tx_failed; |
| 1297 | |
| 1298 | mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, |
| 1299 | &sinfo->txrate); |
| 1300 | sinfo->txrate.legacy = node->stats.last_tx_rate * 5; |
| 1301 | |
| 1302 | return 0; |
| 1303 | } |
| 1304 | |
| 1305 | /* Get signal information from the firmware */ |
| 1306 | if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, |
| 1307 | HostCmd_ACT_GEN_GET, 0, NULL, true)) { |
| 1308 | mwifiex_dbg(priv->adapter, ERROR, |
| 1309 | "failed to get signal information\n"); |
| 1310 | return -EFAULT; |
| 1311 | } |
| 1312 | |
| 1313 | if (mwifiex_drv_get_data_rate(priv, &rate)) { |
| 1314 | mwifiex_dbg(priv->adapter, ERROR, |
| 1315 | "getting data rate error\n"); |
| 1316 | return -EFAULT; |
| 1317 | } |
| 1318 | |
| 1319 | /* Get DTIM period information from firmware */ |
| 1320 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 1321 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, |
| 1322 | &priv->dtim_period, true); |
| 1323 | |
| 1324 | mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); |
| 1325 | |
| 1326 | sinfo->signal_avg = priv->bcn_rssi_avg; |
| 1327 | sinfo->rx_bytes = priv->stats.rx_bytes; |
| 1328 | sinfo->tx_bytes = priv->stats.tx_bytes; |
| 1329 | sinfo->rx_packets = priv->stats.rx_packets; |
| 1330 | sinfo->tx_packets = priv->stats.tx_packets; |
| 1331 | sinfo->signal = priv->bcn_rssi_avg; |
| 1332 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
| 1333 | sinfo->txrate.legacy = rate * 5; |
| 1334 | |
| 1335 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
| 1336 | sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); |
| 1337 | sinfo->bss_param.flags = 0; |
| 1338 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 1339 | WLAN_CAPABILITY_SHORT_PREAMBLE) |
| 1340 | sinfo->bss_param.flags |= |
| 1341 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; |
| 1342 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & |
| 1343 | WLAN_CAPABILITY_SHORT_SLOT_TIME) |
| 1344 | sinfo->bss_param.flags |= |
| 1345 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; |
| 1346 | sinfo->bss_param.dtim_period = priv->dtim_period; |
| 1347 | sinfo->bss_param.beacon_interval = |
| 1348 | priv->curr_bss_params.bss_descriptor.beacon_period; |
| 1349 | } |
| 1350 | |
| 1351 | return 0; |
| 1352 | } |
| 1353 | |
| 1354 | /* |
| 1355 | * CFG802.11 operation handler to get station information. |
| 1356 | * |
| 1357 | * This function only works in connected mode, and dumps the |
| 1358 | * requested station information, if available. |
| 1359 | */ |
| 1360 | static int |
| 1361 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
| 1362 | const u8 *mac, struct station_info *sinfo) |
| 1363 | { |
| 1364 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1365 | |
| 1366 | if (!priv->media_connected) |
| 1367 | return -ENOENT; |
| 1368 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) |
| 1369 | return -ENOENT; |
| 1370 | |
| 1371 | return mwifiex_dump_station_info(priv, NULL, sinfo); |
| 1372 | } |
| 1373 | |
| 1374 | /* |
| 1375 | * CFG802.11 operation handler to dump station information. |
| 1376 | */ |
| 1377 | static int |
| 1378 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
| 1379 | int idx, u8 *mac, struct station_info *sinfo) |
| 1380 | { |
| 1381 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1382 | static struct mwifiex_sta_node *node; |
| 1383 | |
| 1384 | if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && |
| 1385 | priv->media_connected && idx == 0) { |
| 1386 | ether_addr_copy(mac, priv->cfg_bssid); |
| 1387 | return mwifiex_dump_station_info(priv, NULL, sinfo); |
| 1388 | } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { |
| 1389 | mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, |
| 1390 | HostCmd_ACT_GEN_GET, 0, NULL, true); |
| 1391 | |
| 1392 | if (node && (&node->list == &priv->sta_list)) { |
| 1393 | node = NULL; |
| 1394 | return -ENOENT; |
| 1395 | } |
| 1396 | |
| 1397 | node = list_prepare_entry(node, &priv->sta_list, list); |
| 1398 | list_for_each_entry_continue(node, &priv->sta_list, list) { |
| 1399 | ether_addr_copy(mac, node->mac_addr); |
| 1400 | return mwifiex_dump_station_info(priv, node, sinfo); |
| 1401 | } |
| 1402 | } |
| 1403 | |
| 1404 | return -ENOENT; |
| 1405 | } |
| 1406 | |
| 1407 | static int |
| 1408 | mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
| 1409 | int idx, struct survey_info *survey) |
| 1410 | { |
| 1411 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1412 | struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; |
| 1413 | enum nl80211_band band; |
| 1414 | |
| 1415 | mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); |
| 1416 | |
| 1417 | memset(survey, 0, sizeof(struct survey_info)); |
| 1418 | |
| 1419 | if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && |
| 1420 | priv->media_connected && idx == 0) { |
| 1421 | u8 curr_bss_band = priv->curr_bss_params.band; |
| 1422 | u32 chan = priv->curr_bss_params.bss_descriptor.channel; |
| 1423 | |
| 1424 | band = mwifiex_band_to_radio_type(curr_bss_band); |
| 1425 | survey->channel = ieee80211_get_channel(wiphy, |
| 1426 | ieee80211_channel_to_frequency(chan, band)); |
| 1427 | |
| 1428 | if (priv->bcn_nf_last) { |
| 1429 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 1430 | survey->noise = priv->bcn_nf_last; |
| 1431 | } |
| 1432 | return 0; |
| 1433 | } |
| 1434 | |
| 1435 | if (idx >= priv->adapter->num_in_chan_stats) |
| 1436 | return -ENOENT; |
| 1437 | |
| 1438 | if (!pchan_stats[idx].cca_scan_dur) |
| 1439 | return 0; |
| 1440 | |
| 1441 | band = pchan_stats[idx].bandcfg; |
| 1442 | survey->channel = ieee80211_get_channel(wiphy, |
| 1443 | ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); |
| 1444 | survey->filled = SURVEY_INFO_NOISE_DBM | |
| 1445 | SURVEY_INFO_TIME | |
| 1446 | SURVEY_INFO_TIME_BUSY; |
| 1447 | survey->noise = pchan_stats[idx].noise; |
| 1448 | survey->time = pchan_stats[idx].cca_scan_dur; |
| 1449 | survey->time_busy = pchan_stats[idx].cca_busy_dur; |
| 1450 | |
| 1451 | return 0; |
| 1452 | } |
| 1453 | |
| 1454 | /* Supported rates to be advertised to the cfg80211 */ |
| 1455 | static struct ieee80211_rate mwifiex_rates[] = { |
| 1456 | {.bitrate = 10, .hw_value = 2, }, |
| 1457 | {.bitrate = 20, .hw_value = 4, }, |
| 1458 | {.bitrate = 55, .hw_value = 11, }, |
| 1459 | {.bitrate = 110, .hw_value = 22, }, |
| 1460 | {.bitrate = 60, .hw_value = 12, }, |
| 1461 | {.bitrate = 90, .hw_value = 18, }, |
| 1462 | {.bitrate = 120, .hw_value = 24, }, |
| 1463 | {.bitrate = 180, .hw_value = 36, }, |
| 1464 | {.bitrate = 240, .hw_value = 48, }, |
| 1465 | {.bitrate = 360, .hw_value = 72, }, |
| 1466 | {.bitrate = 480, .hw_value = 96, }, |
| 1467 | {.bitrate = 540, .hw_value = 108, }, |
| 1468 | }; |
| 1469 | |
| 1470 | /* Channel definitions to be advertised to cfg80211 */ |
| 1471 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { |
| 1472 | {.center_freq = 2412, .hw_value = 1, }, |
| 1473 | {.center_freq = 2417, .hw_value = 2, }, |
| 1474 | {.center_freq = 2422, .hw_value = 3, }, |
| 1475 | {.center_freq = 2427, .hw_value = 4, }, |
| 1476 | {.center_freq = 2432, .hw_value = 5, }, |
| 1477 | {.center_freq = 2437, .hw_value = 6, }, |
| 1478 | {.center_freq = 2442, .hw_value = 7, }, |
| 1479 | {.center_freq = 2447, .hw_value = 8, }, |
| 1480 | {.center_freq = 2452, .hw_value = 9, }, |
| 1481 | {.center_freq = 2457, .hw_value = 10, }, |
| 1482 | {.center_freq = 2462, .hw_value = 11, }, |
| 1483 | {.center_freq = 2467, .hw_value = 12, }, |
| 1484 | {.center_freq = 2472, .hw_value = 13, }, |
| 1485 | {.center_freq = 2484, .hw_value = 14, }, |
| 1486 | }; |
| 1487 | |
| 1488 | static struct ieee80211_supported_band mwifiex_band_2ghz = { |
| 1489 | .channels = mwifiex_channels_2ghz, |
| 1490 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), |
| 1491 | .bitrates = mwifiex_rates, |
| 1492 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
| 1493 | }; |
| 1494 | |
| 1495 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { |
| 1496 | {.center_freq = 5040, .hw_value = 8, }, |
| 1497 | {.center_freq = 5060, .hw_value = 12, }, |
| 1498 | {.center_freq = 5080, .hw_value = 16, }, |
| 1499 | {.center_freq = 5170, .hw_value = 34, }, |
| 1500 | {.center_freq = 5190, .hw_value = 38, }, |
| 1501 | {.center_freq = 5210, .hw_value = 42, }, |
| 1502 | {.center_freq = 5230, .hw_value = 46, }, |
| 1503 | {.center_freq = 5180, .hw_value = 36, }, |
| 1504 | {.center_freq = 5200, .hw_value = 40, }, |
| 1505 | {.center_freq = 5220, .hw_value = 44, }, |
| 1506 | {.center_freq = 5240, .hw_value = 48, }, |
| 1507 | {.center_freq = 5260, .hw_value = 52, }, |
| 1508 | {.center_freq = 5280, .hw_value = 56, }, |
| 1509 | {.center_freq = 5300, .hw_value = 60, }, |
| 1510 | {.center_freq = 5320, .hw_value = 64, }, |
| 1511 | {.center_freq = 5500, .hw_value = 100, }, |
| 1512 | {.center_freq = 5520, .hw_value = 104, }, |
| 1513 | {.center_freq = 5540, .hw_value = 108, }, |
| 1514 | {.center_freq = 5560, .hw_value = 112, }, |
| 1515 | {.center_freq = 5580, .hw_value = 116, }, |
| 1516 | {.center_freq = 5600, .hw_value = 120, }, |
| 1517 | {.center_freq = 5620, .hw_value = 124, }, |
| 1518 | {.center_freq = 5640, .hw_value = 128, }, |
| 1519 | {.center_freq = 5660, .hw_value = 132, }, |
| 1520 | {.center_freq = 5680, .hw_value = 136, }, |
| 1521 | {.center_freq = 5700, .hw_value = 140, }, |
| 1522 | {.center_freq = 5745, .hw_value = 149, }, |
| 1523 | {.center_freq = 5765, .hw_value = 153, }, |
| 1524 | {.center_freq = 5785, .hw_value = 157, }, |
| 1525 | {.center_freq = 5805, .hw_value = 161, }, |
| 1526 | {.center_freq = 5825, .hw_value = 165, }, |
| 1527 | }; |
| 1528 | |
| 1529 | static struct ieee80211_supported_band mwifiex_band_5ghz = { |
| 1530 | .channels = mwifiex_channels_5ghz, |
| 1531 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), |
| 1532 | .bitrates = mwifiex_rates + 4, |
| 1533 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, |
| 1534 | }; |
| 1535 | |
| 1536 | |
| 1537 | /* Supported crypto cipher suits to be advertised to cfg80211 */ |
| 1538 | static const u32 mwifiex_cipher_suites[] = { |
| 1539 | WLAN_CIPHER_SUITE_WEP40, |
| 1540 | WLAN_CIPHER_SUITE_WEP104, |
| 1541 | WLAN_CIPHER_SUITE_TKIP, |
| 1542 | WLAN_CIPHER_SUITE_CCMP, |
| 1543 | WLAN_CIPHER_SUITE_SMS4, |
| 1544 | WLAN_CIPHER_SUITE_AES_CMAC, |
| 1545 | }; |
| 1546 | |
| 1547 | /* Supported mgmt frame types to be advertised to cfg80211 */ |
| 1548 | static const struct ieee80211_txrx_stypes |
| 1549 | mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { |
| 1550 | [NL80211_IFTYPE_STATION] = { |
| 1551 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1552 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1553 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1554 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1555 | }, |
| 1556 | [NL80211_IFTYPE_AP] = { |
| 1557 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1558 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1559 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1560 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1561 | }, |
| 1562 | [NL80211_IFTYPE_P2P_CLIENT] = { |
| 1563 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1564 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1565 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1566 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1567 | }, |
| 1568 | [NL80211_IFTYPE_P2P_GO] = { |
| 1569 | .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1570 | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| 1571 | .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| 1572 | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), |
| 1573 | }, |
| 1574 | }; |
| 1575 | |
| 1576 | /* |
| 1577 | * CFG802.11 operation handler for setting bit rates. |
| 1578 | * |
| 1579 | * Function configures data rates to firmware using bitrate mask |
| 1580 | * provided by cfg80211. |
| 1581 | */ |
| 1582 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, |
| 1583 | struct net_device *dev, |
| 1584 | const u8 *peer, |
| 1585 | const struct cfg80211_bitrate_mask *mask) |
| 1586 | { |
| 1587 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1588 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
| 1589 | enum nl80211_band band; |
| 1590 | struct mwifiex_adapter *adapter = priv->adapter; |
| 1591 | |
| 1592 | if (!priv->media_connected) { |
| 1593 | mwifiex_dbg(adapter, ERROR, |
| 1594 | "Can not set Tx data rate in disconnected state\n"); |
| 1595 | return -EINVAL; |
| 1596 | } |
| 1597 | |
| 1598 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 1599 | |
| 1600 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
| 1601 | |
| 1602 | /* Fill HR/DSSS rates. */ |
| 1603 | if (band == NL80211_BAND_2GHZ) |
| 1604 | bitmap_rates[0] = mask->control[band].legacy & 0x000f; |
| 1605 | |
| 1606 | /* Fill OFDM rates */ |
| 1607 | if (band == NL80211_BAND_2GHZ) |
| 1608 | bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; |
| 1609 | else |
| 1610 | bitmap_rates[1] = mask->control[band].legacy; |
| 1611 | |
| 1612 | /* Fill HT MCS rates */ |
| 1613 | bitmap_rates[2] = mask->control[band].ht_mcs[0]; |
| 1614 | if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) |
| 1615 | bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; |
| 1616 | |
| 1617 | /* Fill VHT MCS rates */ |
| 1618 | if (adapter->fw_api_ver == MWIFIEX_FW_V15) { |
| 1619 | bitmap_rates[10] = mask->control[band].vht_mcs[0]; |
| 1620 | if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) |
| 1621 | bitmap_rates[11] = mask->control[band].vht_mcs[1]; |
| 1622 | } |
| 1623 | |
| 1624 | return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, |
| 1625 | HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); |
| 1626 | } |
| 1627 | |
| 1628 | /* |
| 1629 | * CFG802.11 operation handler for connection quality monitoring. |
| 1630 | * |
| 1631 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI |
| 1632 | * events to FW. |
| 1633 | */ |
| 1634 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, |
| 1635 | struct net_device *dev, |
| 1636 | s32 rssi_thold, u32 rssi_hyst) |
| 1637 | { |
| 1638 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1639 | struct mwifiex_ds_misc_subsc_evt subsc_evt; |
| 1640 | |
| 1641 | priv->cqm_rssi_thold = rssi_thold; |
| 1642 | priv->cqm_rssi_hyst = rssi_hyst; |
| 1643 | |
| 1644 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); |
| 1645 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; |
| 1646 | |
| 1647 | /* Subscribe/unsubscribe low and high rssi events */ |
| 1648 | if (rssi_thold && rssi_hyst) { |
| 1649 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; |
| 1650 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); |
| 1651 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); |
| 1652 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; |
| 1653 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; |
| 1654 | return mwifiex_send_cmd(priv, |
| 1655 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1656 | 0, 0, &subsc_evt, true); |
| 1657 | } else { |
| 1658 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; |
| 1659 | return mwifiex_send_cmd(priv, |
| 1660 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, |
| 1661 | 0, 0, &subsc_evt, true); |
| 1662 | } |
| 1663 | |
| 1664 | return 0; |
| 1665 | } |
| 1666 | |
| 1667 | /* cfg80211 operation handler for change_beacon. |
| 1668 | * Function retrieves and sets modified management IEs to FW. |
| 1669 | */ |
| 1670 | static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, |
| 1671 | struct net_device *dev, |
| 1672 | struct cfg80211_beacon_data *data) |
| 1673 | { |
| 1674 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1675 | |
| 1676 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { |
| 1677 | mwifiex_dbg(priv->adapter, ERROR, |
| 1678 | "%s: bss_type mismatched\n", __func__); |
| 1679 | return -EINVAL; |
| 1680 | } |
| 1681 | |
| 1682 | if (!priv->bss_started) { |
| 1683 | mwifiex_dbg(priv->adapter, ERROR, |
| 1684 | "%s: bss not started\n", __func__); |
| 1685 | return -EINVAL; |
| 1686 | } |
| 1687 | |
| 1688 | if (mwifiex_set_mgmt_ies(priv, data)) { |
| 1689 | mwifiex_dbg(priv->adapter, ERROR, |
| 1690 | "%s: setting mgmt ies failed\n", __func__); |
| 1691 | return -EFAULT; |
| 1692 | } |
| 1693 | |
| 1694 | return 0; |
| 1695 | } |
| 1696 | |
| 1697 | /* cfg80211 operation handler for del_station. |
| 1698 | * Function deauthenticates station which value is provided in mac parameter. |
| 1699 | * If mac is NULL/broadcast, all stations in associated station list are |
| 1700 | * deauthenticated. If bss is not started or there are no stations in |
| 1701 | * associated stations list, no action is taken. |
| 1702 | */ |
| 1703 | static int |
| 1704 | mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, |
| 1705 | struct station_del_parameters *params) |
| 1706 | { |
| 1707 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1708 | struct mwifiex_sta_node *sta_node; |
| 1709 | u8 deauth_mac[ETH_ALEN]; |
| 1710 | unsigned long flags; |
| 1711 | |
| 1712 | if (!priv->bss_started && priv->wdev.cac_started) { |
| 1713 | mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); |
| 1714 | mwifiex_abort_cac(priv); |
| 1715 | } |
| 1716 | |
| 1717 | if (list_empty(&priv->sta_list) || !priv->bss_started) |
| 1718 | return 0; |
| 1719 | |
| 1720 | if (!params->mac || is_broadcast_ether_addr(params->mac)) |
| 1721 | return 0; |
| 1722 | |
| 1723 | mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", |
| 1724 | __func__, params->mac); |
| 1725 | |
| 1726 | eth_zero_addr(deauth_mac); |
| 1727 | |
| 1728 | spin_lock_irqsave(&priv->sta_list_spinlock, flags); |
| 1729 | sta_node = mwifiex_get_sta_entry(priv, params->mac); |
| 1730 | if (sta_node) |
| 1731 | ether_addr_copy(deauth_mac, params->mac); |
| 1732 | spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); |
| 1733 | |
| 1734 | if (is_valid_ether_addr(deauth_mac)) { |
| 1735 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, |
| 1736 | HostCmd_ACT_GEN_SET, 0, |
| 1737 | deauth_mac, true)) |
| 1738 | return -1; |
| 1739 | } |
| 1740 | |
| 1741 | return 0; |
| 1742 | } |
| 1743 | |
| 1744 | static int |
| 1745 | mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
| 1746 | { |
| 1747 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 1748 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, |
| 1749 | MWIFIEX_BSS_ROLE_ANY); |
| 1750 | struct mwifiex_ds_ant_cfg ant_cfg; |
| 1751 | |
| 1752 | if (!tx_ant || !rx_ant) |
| 1753 | return -EOPNOTSUPP; |
| 1754 | |
| 1755 | if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { |
| 1756 | /* Not a MIMO chip. User should provide specific antenna number |
| 1757 | * for Tx/Rx path or enable all antennas for diversity |
| 1758 | */ |
| 1759 | if (tx_ant != rx_ant) |
| 1760 | return -EOPNOTSUPP; |
| 1761 | |
| 1762 | if ((tx_ant & (tx_ant - 1)) && |
| 1763 | (tx_ant != BIT(adapter->number_of_antenna) - 1)) |
| 1764 | return -EOPNOTSUPP; |
| 1765 | |
| 1766 | if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && |
| 1767 | (priv->adapter->number_of_antenna > 1)) { |
| 1768 | tx_ant = RF_ANTENNA_AUTO; |
| 1769 | rx_ant = RF_ANTENNA_AUTO; |
| 1770 | } |
| 1771 | } else { |
| 1772 | struct ieee80211_sta_ht_cap *ht_info; |
| 1773 | int rx_mcs_supp; |
| 1774 | enum nl80211_band band; |
| 1775 | |
| 1776 | if ((tx_ant == 0x1 && rx_ant == 0x1)) { |
| 1777 | adapter->user_dev_mcs_support = HT_STREAM_1X1; |
| 1778 | if (adapter->is_hw_11ac_capable) |
| 1779 | adapter->usr_dot_11ac_mcs_support = |
| 1780 | MWIFIEX_11AC_MCS_MAP_1X1; |
| 1781 | } else { |
| 1782 | adapter->user_dev_mcs_support = HT_STREAM_2X2; |
| 1783 | if (adapter->is_hw_11ac_capable) |
| 1784 | adapter->usr_dot_11ac_mcs_support = |
| 1785 | MWIFIEX_11AC_MCS_MAP_2X2; |
| 1786 | } |
| 1787 | |
| 1788 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
| 1789 | if (!adapter->wiphy->bands[band]) |
| 1790 | continue; |
| 1791 | |
| 1792 | ht_info = &adapter->wiphy->bands[band]->ht_cap; |
| 1793 | rx_mcs_supp = |
| 1794 | GET_RXMCSSUPP(adapter->user_dev_mcs_support); |
| 1795 | memset(&ht_info->mcs, 0, adapter->number_of_antenna); |
| 1796 | memset(&ht_info->mcs, 0xff, rx_mcs_supp); |
| 1797 | } |
| 1798 | } |
| 1799 | |
| 1800 | ant_cfg.tx_ant = tx_ant; |
| 1801 | ant_cfg.rx_ant = rx_ant; |
| 1802 | |
| 1803 | return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, |
| 1804 | HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); |
| 1805 | } |
| 1806 | |
| 1807 | /* cfg80211 operation handler for stop ap. |
| 1808 | * Function stops BSS running at uAP interface. |
| 1809 | */ |
| 1810 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
| 1811 | { |
| 1812 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1813 | |
| 1814 | mwifiex_abort_cac(priv); |
| 1815 | |
| 1816 | if (mwifiex_del_mgmt_ies(priv)) |
| 1817 | mwifiex_dbg(priv->adapter, ERROR, |
| 1818 | "Failed to delete mgmt IEs!\n"); |
| 1819 | |
| 1820 | priv->ap_11n_enabled = 0; |
| 1821 | memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); |
| 1822 | |
| 1823 | if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, |
| 1824 | HostCmd_ACT_GEN_SET, 0, NULL, true)) { |
| 1825 | mwifiex_dbg(priv->adapter, ERROR, |
| 1826 | "Failed to stop the BSS\n"); |
| 1827 | return -1; |
| 1828 | } |
| 1829 | |
| 1830 | if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, |
| 1831 | HostCmd_ACT_GEN_SET, 0, NULL, true)) { |
| 1832 | mwifiex_dbg(priv->adapter, ERROR, |
| 1833 | "Failed to reset BSS\n"); |
| 1834 | return -1; |
| 1835 | } |
| 1836 | |
| 1837 | if (netif_carrier_ok(priv->netdev)) |
| 1838 | netif_carrier_off(priv->netdev); |
| 1839 | mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); |
| 1840 | |
| 1841 | return 0; |
| 1842 | } |
| 1843 | |
| 1844 | /* cfg80211 operation handler for start_ap. |
| 1845 | * Function sets beacon period, DTIM period, SSID and security into |
| 1846 | * AP config structure. |
| 1847 | * AP is configured with these settings and BSS is started. |
| 1848 | */ |
| 1849 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, |
| 1850 | struct net_device *dev, |
| 1851 | struct cfg80211_ap_settings *params) |
| 1852 | { |
| 1853 | struct mwifiex_uap_bss_param *bss_cfg; |
| 1854 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1855 | |
| 1856 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) |
| 1857 | return -1; |
| 1858 | |
| 1859 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); |
| 1860 | if (!bss_cfg) |
| 1861 | return -ENOMEM; |
| 1862 | |
| 1863 | mwifiex_set_sys_config_invalid_data(bss_cfg); |
| 1864 | |
| 1865 | if (params->beacon_interval) |
| 1866 | bss_cfg->beacon_period = params->beacon_interval; |
| 1867 | if (params->dtim_period) |
| 1868 | bss_cfg->dtim_period = params->dtim_period; |
| 1869 | |
| 1870 | if (params->ssid && params->ssid_len) { |
| 1871 | memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); |
| 1872 | bss_cfg->ssid.ssid_len = params->ssid_len; |
| 1873 | } |
| 1874 | if (params->inactivity_timeout > 0) { |
| 1875 | /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ |
| 1876 | bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; |
| 1877 | bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; |
| 1878 | } |
| 1879 | |
| 1880 | switch (params->hidden_ssid) { |
| 1881 | case NL80211_HIDDEN_SSID_NOT_IN_USE: |
| 1882 | bss_cfg->bcast_ssid_ctl = 1; |
| 1883 | break; |
| 1884 | case NL80211_HIDDEN_SSID_ZERO_LEN: |
| 1885 | bss_cfg->bcast_ssid_ctl = 0; |
| 1886 | break; |
| 1887 | case NL80211_HIDDEN_SSID_ZERO_CONTENTS: |
| 1888 | /* firmware doesn't support this type of hidden SSID */ |
| 1889 | default: |
| 1890 | kfree(bss_cfg); |
| 1891 | return -EINVAL; |
| 1892 | } |
| 1893 | |
| 1894 | mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); |
| 1895 | mwifiex_set_uap_rates(bss_cfg, params); |
| 1896 | |
| 1897 | if (mwifiex_set_secure_params(priv, bss_cfg, params)) { |
| 1898 | kfree(bss_cfg); |
| 1899 | mwifiex_dbg(priv->adapter, ERROR, |
| 1900 | "Failed to parse secuirty parameters!\n"); |
| 1901 | return -1; |
| 1902 | } |
| 1903 | |
| 1904 | mwifiex_set_ht_params(priv, bss_cfg, params); |
| 1905 | |
| 1906 | if (priv->adapter->is_hw_11ac_capable) { |
| 1907 | mwifiex_set_vht_params(priv, bss_cfg, params); |
| 1908 | mwifiex_set_vht_width(priv, params->chandef.width, |
| 1909 | priv->ap_11ac_enabled); |
| 1910 | } |
| 1911 | |
| 1912 | if (priv->ap_11ac_enabled) |
| 1913 | mwifiex_set_11ac_ba_params(priv); |
| 1914 | else |
| 1915 | mwifiex_set_ba_params(priv); |
| 1916 | |
| 1917 | mwifiex_set_wmm_params(priv, bss_cfg, params); |
| 1918 | |
| 1919 | if (mwifiex_is_11h_active(priv)) |
| 1920 | mwifiex_set_tpc_params(priv, bss_cfg, params); |
| 1921 | |
| 1922 | if (mwifiex_is_11h_active(priv) && |
| 1923 | !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, |
| 1924 | priv->bss_mode)) { |
| 1925 | mwifiex_dbg(priv->adapter, INFO, |
| 1926 | "Disable 11h extensions in FW\n"); |
| 1927 | if (mwifiex_11h_activate(priv, false)) { |
| 1928 | mwifiex_dbg(priv->adapter, ERROR, |
| 1929 | "Failed to disable 11h extensions!!"); |
| 1930 | return -1; |
| 1931 | } |
| 1932 | priv->state_11h.is_11h_active = false; |
| 1933 | } |
| 1934 | |
| 1935 | if (mwifiex_config_start_uap(priv, bss_cfg)) { |
| 1936 | mwifiex_dbg(priv->adapter, ERROR, |
| 1937 | "Failed to start AP\n"); |
| 1938 | kfree(bss_cfg); |
| 1939 | return -1; |
| 1940 | } |
| 1941 | |
| 1942 | if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) |
| 1943 | return -1; |
| 1944 | |
| 1945 | if (!netif_carrier_ok(priv->netdev)) |
| 1946 | netif_carrier_on(priv->netdev); |
| 1947 | mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); |
| 1948 | |
| 1949 | memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); |
| 1950 | kfree(bss_cfg); |
| 1951 | return 0; |
| 1952 | } |
| 1953 | |
| 1954 | /* |
| 1955 | * CFG802.11 operation handler for disconnection request. |
| 1956 | * |
| 1957 | * This function does not work when there is already a disconnection |
| 1958 | * procedure going on. |
| 1959 | */ |
| 1960 | static int |
| 1961 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| 1962 | u16 reason_code) |
| 1963 | { |
| 1964 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 1965 | |
| 1966 | if (!mwifiex_stop_bg_scan(priv)) |
| 1967 | cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); |
| 1968 | |
| 1969 | if (mwifiex_deauthenticate(priv, NULL)) |
| 1970 | return -EFAULT; |
| 1971 | |
| 1972 | mwifiex_dbg(priv->adapter, MSG, |
| 1973 | "info: successfully disconnected from %pM:\t" |
| 1974 | "reason code %d\n", priv->cfg_bssid, reason_code); |
| 1975 | |
| 1976 | eth_zero_addr(priv->cfg_bssid); |
| 1977 | priv->hs2_enabled = false; |
| 1978 | |
| 1979 | return 0; |
| 1980 | } |
| 1981 | |
| 1982 | /* |
| 1983 | * This function informs the CFG802.11 subsystem of a new IBSS. |
| 1984 | * |
| 1985 | * The following information are sent to the CFG802.11 subsystem |
| 1986 | * to register the new IBSS. If we do not register the new IBSS, |
| 1987 | * a kernel panic will result. |
| 1988 | * - SSID |
| 1989 | * - SSID length |
| 1990 | * - BSSID |
| 1991 | * - Channel |
| 1992 | */ |
| 1993 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) |
| 1994 | { |
| 1995 | struct ieee80211_channel *chan; |
| 1996 | struct mwifiex_bss_info bss_info; |
| 1997 | struct cfg80211_bss *bss; |
| 1998 | int ie_len; |
| 1999 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
| 2000 | enum nl80211_band band; |
| 2001 | |
| 2002 | if (mwifiex_get_bss_info(priv, &bss_info)) |
| 2003 | return -1; |
| 2004 | |
| 2005 | ie_buf[0] = WLAN_EID_SSID; |
| 2006 | ie_buf[1] = bss_info.ssid.ssid_len; |
| 2007 | |
| 2008 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], |
| 2009 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
| 2010 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
| 2011 | |
| 2012 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 2013 | chan = __ieee80211_get_channel(priv->wdev.wiphy, |
| 2014 | ieee80211_channel_to_frequency(bss_info.bss_chan, |
| 2015 | band)); |
| 2016 | |
| 2017 | bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, |
| 2018 | CFG80211_BSS_FTYPE_UNKNOWN, |
| 2019 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
| 2020 | 0, ie_buf, ie_len, 0, GFP_KERNEL); |
| 2021 | if (bss) { |
| 2022 | cfg80211_put_bss(priv->wdev.wiphy, bss); |
| 2023 | ether_addr_copy(priv->cfg_bssid, bss_info.bssid); |
| 2024 | } |
| 2025 | |
| 2026 | return 0; |
| 2027 | } |
| 2028 | |
| 2029 | /* |
| 2030 | * This function connects with a BSS. |
| 2031 | * |
| 2032 | * This function handles both Infra and Ad-Hoc modes. It also performs |
| 2033 | * validity checking on the provided parameters, disconnects from the |
| 2034 | * current BSS (if any), sets up the association/scan parameters, |
| 2035 | * including security settings, and performs specific SSID scan before |
| 2036 | * trying to connect. |
| 2037 | * |
| 2038 | * For Infra mode, the function returns failure if the specified SSID |
| 2039 | * is not found in scan table. However, for Ad-Hoc mode, it can create |
| 2040 | * the IBSS if it does not exist. On successful completion in either case, |
| 2041 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
| 2042 | */ |
| 2043 | static int |
| 2044 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, |
| 2045 | const u8 *ssid, const u8 *bssid, int mode, |
| 2046 | struct ieee80211_channel *channel, |
| 2047 | struct cfg80211_connect_params *sme, bool privacy) |
| 2048 | { |
| 2049 | struct cfg80211_ssid req_ssid; |
| 2050 | int ret, auth_type = 0; |
| 2051 | struct cfg80211_bss *bss = NULL; |
| 2052 | u8 is_scanning_required = 0; |
| 2053 | |
| 2054 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
| 2055 | |
| 2056 | req_ssid.ssid_len = ssid_len; |
| 2057 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 2058 | mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); |
| 2059 | return -EINVAL; |
| 2060 | } |
| 2061 | |
| 2062 | memcpy(req_ssid.ssid, ssid, ssid_len); |
| 2063 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { |
| 2064 | mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); |
| 2065 | return -EINVAL; |
| 2066 | } |
| 2067 | |
| 2068 | /* As this is new association, clear locally stored |
| 2069 | * keys and security related flags */ |
| 2070 | priv->sec_info.wpa_enabled = false; |
| 2071 | priv->sec_info.wpa2_enabled = false; |
| 2072 | priv->wep_key_curr_index = 0; |
| 2073 | priv->sec_info.encryption_mode = 0; |
| 2074 | priv->sec_info.is_authtype_auto = 0; |
| 2075 | ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); |
| 2076 | |
| 2077 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 2078 | /* "privacy" is set only for ad-hoc mode */ |
| 2079 | if (privacy) { |
| 2080 | /* |
| 2081 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
| 2082 | * the firmware can find a matching network from the |
| 2083 | * scan. The cfg80211 does not give us the encryption |
| 2084 | * mode at this stage so just setting it to WEP here. |
| 2085 | */ |
| 2086 | priv->sec_info.encryption_mode = |
| 2087 | WLAN_CIPHER_SUITE_WEP104; |
| 2088 | priv->sec_info.authentication_mode = |
| 2089 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 2090 | } |
| 2091 | |
| 2092 | goto done; |
| 2093 | } |
| 2094 | |
| 2095 | /* Now handle infra mode. "sme" is valid for infra mode only */ |
| 2096 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
| 2097 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 2098 | priv->sec_info.is_authtype_auto = 1; |
| 2099 | } else { |
| 2100 | auth_type = sme->auth_type; |
| 2101 | } |
| 2102 | |
| 2103 | if (sme->crypto.n_ciphers_pairwise) { |
| 2104 | priv->sec_info.encryption_mode = |
| 2105 | sme->crypto.ciphers_pairwise[0]; |
| 2106 | priv->sec_info.authentication_mode = auth_type; |
| 2107 | } |
| 2108 | |
| 2109 | if (sme->crypto.cipher_group) { |
| 2110 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
| 2111 | priv->sec_info.authentication_mode = auth_type; |
| 2112 | } |
| 2113 | if (sme->ie) |
| 2114 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); |
| 2115 | |
| 2116 | if (sme->key) { |
| 2117 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
| 2118 | mwifiex_dbg(priv->adapter, INFO, |
| 2119 | "info: setting wep encryption\t" |
| 2120 | "with key len %d\n", sme->key_len); |
| 2121 | priv->wep_key_curr_index = sme->key_idx; |
| 2122 | ret = mwifiex_set_encode(priv, NULL, sme->key, |
| 2123 | sme->key_len, sme->key_idx, |
| 2124 | NULL, 0); |
| 2125 | } |
| 2126 | } |
| 2127 | done: |
| 2128 | /* |
| 2129 | * Scan entries are valid for some time (15 sec). So we can save one |
| 2130 | * active scan time if we just try cfg80211_get_bss first. If it fails |
| 2131 | * then request scan and cfg80211_get_bss() again for final output. |
| 2132 | */ |
| 2133 | while (1) { |
| 2134 | if (is_scanning_required) { |
| 2135 | /* Do specific SSID scanning */ |
| 2136 | if (mwifiex_request_scan(priv, &req_ssid)) { |
| 2137 | mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); |
| 2138 | return -EFAULT; |
| 2139 | } |
| 2140 | } |
| 2141 | |
| 2142 | /* Find the BSS we want using available scan results */ |
| 2143 | if (mode == NL80211_IFTYPE_ADHOC) |
| 2144 | bss = cfg80211_get_bss(priv->wdev.wiphy, channel, |
| 2145 | bssid, ssid, ssid_len, |
| 2146 | IEEE80211_BSS_TYPE_IBSS, |
| 2147 | IEEE80211_PRIVACY_ANY); |
| 2148 | else |
| 2149 | bss = cfg80211_get_bss(priv->wdev.wiphy, channel, |
| 2150 | bssid, ssid, ssid_len, |
| 2151 | IEEE80211_BSS_TYPE_ESS, |
| 2152 | IEEE80211_PRIVACY_ANY); |
| 2153 | |
| 2154 | if (!bss) { |
| 2155 | if (is_scanning_required) { |
| 2156 | mwifiex_dbg(priv->adapter, WARN, |
| 2157 | "assoc: requested bss not found in scan results\n"); |
| 2158 | break; |
| 2159 | } |
| 2160 | is_scanning_required = 1; |
| 2161 | } else { |
| 2162 | mwifiex_dbg(priv->adapter, MSG, |
| 2163 | "info: trying to associate to '%s' bssid %pM\n", |
| 2164 | (char *)req_ssid.ssid, bss->bssid); |
| 2165 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
| 2166 | break; |
| 2167 | } |
| 2168 | } |
| 2169 | |
| 2170 | ret = mwifiex_bss_start(priv, bss, &req_ssid); |
| 2171 | if (ret) |
| 2172 | return ret; |
| 2173 | |
| 2174 | if (mode == NL80211_IFTYPE_ADHOC) { |
| 2175 | /* Inform the BSS information to kernel, otherwise |
| 2176 | * kernel will give a panic after successful assoc */ |
| 2177 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) |
| 2178 | return -EFAULT; |
| 2179 | } |
| 2180 | |
| 2181 | return ret; |
| 2182 | } |
| 2183 | |
| 2184 | /* |
| 2185 | * CFG802.11 operation handler for association request. |
| 2186 | * |
| 2187 | * This function does not work when the current mode is set to Ad-Hoc, or |
| 2188 | * when there is already an association procedure going on. The given BSS |
| 2189 | * information is used to associate. |
| 2190 | */ |
| 2191 | static int |
| 2192 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| 2193 | struct cfg80211_connect_params *sme) |
| 2194 | { |
| 2195 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2196 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2197 | int ret; |
| 2198 | |
| 2199 | if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { |
| 2200 | mwifiex_dbg(adapter, ERROR, |
| 2201 | "%s: reject infra assoc request in non-STA role\n", |
| 2202 | dev->name); |
| 2203 | return -EINVAL; |
| 2204 | } |
| 2205 | |
| 2206 | if (priv->wdev.current_bss) { |
| 2207 | mwifiex_dbg(adapter, ERROR, |
| 2208 | "%s: already connected\n", dev->name); |
| 2209 | return -EALREADY; |
| 2210 | } |
| 2211 | |
| 2212 | if (adapter->surprise_removed || adapter->is_cmd_timedout) { |
| 2213 | mwifiex_dbg(adapter, ERROR, |
| 2214 | "%s: Ignore connection.\t" |
| 2215 | "Card removed or FW in bad state\n", |
| 2216 | dev->name); |
| 2217 | return -EFAULT; |
| 2218 | } |
| 2219 | |
| 2220 | mwifiex_dbg(adapter, INFO, |
| 2221 | "info: Trying to associate to %s and bssid %pM\n", |
| 2222 | (char *)sme->ssid, sme->bssid); |
| 2223 | |
| 2224 | if (!mwifiex_stop_bg_scan(priv)) |
| 2225 | cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); |
| 2226 | |
| 2227 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, |
| 2228 | priv->bss_mode, sme->channel, sme, 0); |
| 2229 | if (!ret) { |
| 2230 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, |
| 2231 | NULL, 0, WLAN_STATUS_SUCCESS, |
| 2232 | GFP_KERNEL); |
| 2233 | mwifiex_dbg(priv->adapter, MSG, |
| 2234 | "info: associated to bssid %pM successfully\n", |
| 2235 | priv->cfg_bssid); |
| 2236 | if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && |
| 2237 | priv->adapter->auto_tdls && |
| 2238 | priv->bss_type == MWIFIEX_BSS_TYPE_STA) |
| 2239 | mwifiex_setup_auto_tdls_timer(priv); |
| 2240 | } else { |
| 2241 | mwifiex_dbg(priv->adapter, ERROR, |
| 2242 | "info: association to bssid %pM failed\n", |
| 2243 | priv->cfg_bssid); |
| 2244 | eth_zero_addr(priv->cfg_bssid); |
| 2245 | |
| 2246 | if (ret > 0) |
| 2247 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, |
| 2248 | NULL, 0, NULL, 0, ret, |
| 2249 | GFP_KERNEL); |
| 2250 | else |
| 2251 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, |
| 2252 | NULL, 0, NULL, 0, |
| 2253 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 2254 | GFP_KERNEL); |
| 2255 | } |
| 2256 | |
| 2257 | return 0; |
| 2258 | } |
| 2259 | |
| 2260 | /* |
| 2261 | * This function sets following parameters for ibss network. |
| 2262 | * - channel |
| 2263 | * - start band |
| 2264 | * - 11n flag |
| 2265 | * - secondary channel offset |
| 2266 | */ |
| 2267 | static int mwifiex_set_ibss_params(struct mwifiex_private *priv, |
| 2268 | struct cfg80211_ibss_params *params) |
| 2269 | { |
| 2270 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2271 | int index = 0, i; |
| 2272 | u8 config_bands = 0; |
| 2273 | |
| 2274 | if (params->chandef.chan->band == NL80211_BAND_2GHZ) { |
| 2275 | if (!params->basic_rates) { |
| 2276 | config_bands = BAND_B | BAND_G; |
| 2277 | } else { |
| 2278 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { |
| 2279 | /* |
| 2280 | * Rates below 6 Mbps in the table are CCK |
| 2281 | * rates; 802.11b and from 6 they are OFDM; |
| 2282 | * 802.11G |
| 2283 | */ |
| 2284 | if (mwifiex_rates[i].bitrate == 60) { |
| 2285 | index = 1 << i; |
| 2286 | break; |
| 2287 | } |
| 2288 | } |
| 2289 | |
| 2290 | if (params->basic_rates < index) { |
| 2291 | config_bands = BAND_B; |
| 2292 | } else { |
| 2293 | config_bands = BAND_G; |
| 2294 | if (params->basic_rates % index) |
| 2295 | config_bands |= BAND_B; |
| 2296 | } |
| 2297 | } |
| 2298 | |
| 2299 | if (cfg80211_get_chandef_type(¶ms->chandef) != |
| 2300 | NL80211_CHAN_NO_HT) |
| 2301 | config_bands |= BAND_G | BAND_GN; |
| 2302 | } else { |
| 2303 | if (cfg80211_get_chandef_type(¶ms->chandef) == |
| 2304 | NL80211_CHAN_NO_HT) |
| 2305 | config_bands = BAND_A; |
| 2306 | else |
| 2307 | config_bands = BAND_AN | BAND_A; |
| 2308 | } |
| 2309 | |
| 2310 | if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { |
| 2311 | adapter->config_bands = config_bands; |
| 2312 | adapter->adhoc_start_band = config_bands; |
| 2313 | |
| 2314 | if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) |
| 2315 | adapter->adhoc_11n_enabled = true; |
| 2316 | else |
| 2317 | adapter->adhoc_11n_enabled = false; |
| 2318 | } |
| 2319 | |
| 2320 | adapter->sec_chan_offset = |
| 2321 | mwifiex_chan_type_to_sec_chan_offset( |
| 2322 | cfg80211_get_chandef_type(¶ms->chandef)); |
| 2323 | priv->adhoc_channel = ieee80211_frequency_to_channel( |
| 2324 | params->chandef.chan->center_freq); |
| 2325 | |
| 2326 | mwifiex_dbg(adapter, INFO, |
| 2327 | "info: set ibss band %d, chan %d, chan offset %d\n", |
| 2328 | config_bands, priv->adhoc_channel, |
| 2329 | adapter->sec_chan_offset); |
| 2330 | |
| 2331 | return 0; |
| 2332 | } |
| 2333 | |
| 2334 | /* |
| 2335 | * CFG802.11 operation handler to join an IBSS. |
| 2336 | * |
| 2337 | * This function does not work in any mode other than Ad-Hoc, or if |
| 2338 | * a join operation is already in progress. |
| 2339 | */ |
| 2340 | static int |
| 2341 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| 2342 | struct cfg80211_ibss_params *params) |
| 2343 | { |
| 2344 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2345 | int ret = 0; |
| 2346 | |
| 2347 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
| 2348 | mwifiex_dbg(priv->adapter, ERROR, |
| 2349 | "request to join ibss received\t" |
| 2350 | "when station is not in ibss mode\n"); |
| 2351 | goto done; |
| 2352 | } |
| 2353 | |
| 2354 | mwifiex_dbg(priv->adapter, MSG, |
| 2355 | "info: trying to join to %s and bssid %pM\n", |
| 2356 | (char *)params->ssid, params->bssid); |
| 2357 | |
| 2358 | mwifiex_set_ibss_params(priv, params); |
| 2359 | |
| 2360 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, |
| 2361 | params->bssid, priv->bss_mode, |
| 2362 | params->chandef.chan, NULL, |
| 2363 | params->privacy); |
| 2364 | done: |
| 2365 | if (!ret) { |
| 2366 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, |
| 2367 | params->chandef.chan, GFP_KERNEL); |
| 2368 | mwifiex_dbg(priv->adapter, MSG, |
| 2369 | "info: joined/created adhoc network with bssid\t" |
| 2370 | "%pM successfully\n", priv->cfg_bssid); |
| 2371 | } else { |
| 2372 | mwifiex_dbg(priv->adapter, ERROR, |
| 2373 | "info: failed creating/joining adhoc network\n"); |
| 2374 | } |
| 2375 | |
| 2376 | return ret; |
| 2377 | } |
| 2378 | |
| 2379 | /* |
| 2380 | * CFG802.11 operation handler to leave an IBSS. |
| 2381 | * |
| 2382 | * This function does not work if a leave operation is |
| 2383 | * already in progress. |
| 2384 | */ |
| 2385 | static int |
| 2386 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| 2387 | { |
| 2388 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2389 | |
| 2390 | mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", |
| 2391 | priv->cfg_bssid); |
| 2392 | if (mwifiex_deauthenticate(priv, NULL)) |
| 2393 | return -EFAULT; |
| 2394 | |
| 2395 | eth_zero_addr(priv->cfg_bssid); |
| 2396 | |
| 2397 | return 0; |
| 2398 | } |
| 2399 | |
| 2400 | /* |
| 2401 | * CFG802.11 operation handler for scan request. |
| 2402 | * |
| 2403 | * This function issues a scan request to the firmware based upon |
| 2404 | * the user specified scan configuration. On successful completion, |
| 2405 | * it also informs the results. |
| 2406 | */ |
| 2407 | static int |
| 2408 | mwifiex_cfg80211_scan(struct wiphy *wiphy, |
| 2409 | struct cfg80211_scan_request *request) |
| 2410 | { |
| 2411 | struct net_device *dev = request->wdev->netdev; |
| 2412 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2413 | int i, offset, ret; |
| 2414 | struct ieee80211_channel *chan; |
| 2415 | struct ieee_types_header *ie; |
| 2416 | struct mwifiex_user_scan_cfg *user_scan_cfg; |
| 2417 | |
| 2418 | mwifiex_dbg(priv->adapter, CMD, |
| 2419 | "info: received scan request on %s\n", dev->name); |
| 2420 | |
| 2421 | /* Block scan request if scan operation or scan cleanup when interface |
| 2422 | * is disabled is in process |
| 2423 | */ |
| 2424 | if (priv->scan_request || priv->scan_aborting) { |
| 2425 | mwifiex_dbg(priv->adapter, WARN, |
| 2426 | "cmd: Scan already in process..\n"); |
| 2427 | return -EBUSY; |
| 2428 | } |
| 2429 | |
| 2430 | if (!mwifiex_stop_bg_scan(priv)) |
| 2431 | cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); |
| 2432 | |
| 2433 | user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); |
| 2434 | if (!user_scan_cfg) |
| 2435 | return -ENOMEM; |
| 2436 | |
| 2437 | priv->scan_request = request; |
| 2438 | |
| 2439 | user_scan_cfg->num_ssids = request->n_ssids; |
| 2440 | user_scan_cfg->ssid_list = request->ssids; |
| 2441 | |
| 2442 | if (request->ie && request->ie_len) { |
| 2443 | offset = 0; |
| 2444 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 2445 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) |
| 2446 | continue; |
| 2447 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; |
| 2448 | ie = (struct ieee_types_header *)(request->ie + offset); |
| 2449 | memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); |
| 2450 | offset += sizeof(*ie) + ie->len; |
| 2451 | |
| 2452 | if (offset >= request->ie_len) |
| 2453 | break; |
| 2454 | } |
| 2455 | } |
| 2456 | |
| 2457 | for (i = 0; i < min_t(u32, request->n_channels, |
| 2458 | MWIFIEX_USER_SCAN_CHAN_MAX); i++) { |
| 2459 | chan = request->channels[i]; |
| 2460 | user_scan_cfg->chan_list[i].chan_number = chan->hw_value; |
| 2461 | user_scan_cfg->chan_list[i].radio_type = chan->band; |
| 2462 | |
| 2463 | if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) |
| 2464 | user_scan_cfg->chan_list[i].scan_type = |
| 2465 | MWIFIEX_SCAN_TYPE_PASSIVE; |
| 2466 | else |
| 2467 | user_scan_cfg->chan_list[i].scan_type = |
| 2468 | MWIFIEX_SCAN_TYPE_ACTIVE; |
| 2469 | |
| 2470 | user_scan_cfg->chan_list[i].scan_time = 0; |
| 2471 | } |
| 2472 | |
| 2473 | if (priv->adapter->scan_chan_gap_enabled && |
| 2474 | mwifiex_is_any_intf_active(priv)) |
| 2475 | user_scan_cfg->scan_chan_gap = |
| 2476 | priv->adapter->scan_chan_gap_time; |
| 2477 | |
| 2478 | ret = mwifiex_scan_networks(priv, user_scan_cfg); |
| 2479 | kfree(user_scan_cfg); |
| 2480 | if (ret) { |
| 2481 | mwifiex_dbg(priv->adapter, ERROR, |
| 2482 | "scan failed: %d\n", ret); |
| 2483 | priv->scan_aborting = false; |
| 2484 | priv->scan_request = NULL; |
| 2485 | return ret; |
| 2486 | } |
| 2487 | |
| 2488 | if (request->ie && request->ie_len) { |
| 2489 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 2490 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { |
| 2491 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; |
| 2492 | memset(&priv->vs_ie[i].ie, 0, |
| 2493 | MWIFIEX_MAX_VSIE_LEN); |
| 2494 | } |
| 2495 | } |
| 2496 | } |
| 2497 | return 0; |
| 2498 | } |
| 2499 | |
| 2500 | /* CFG802.11 operation handler for sched_scan_start. |
| 2501 | * |
| 2502 | * This function issues a bgscan config request to the firmware based upon |
| 2503 | * the user specified sched_scan configuration. On successful completion, |
| 2504 | * firmware will generate BGSCAN_REPORT event, driver should issue bgscan |
| 2505 | * query command to get sched_scan results from firmware. |
| 2506 | */ |
| 2507 | static int |
| 2508 | mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, |
| 2509 | struct net_device *dev, |
| 2510 | struct cfg80211_sched_scan_request *request) |
| 2511 | { |
| 2512 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2513 | int i, offset; |
| 2514 | struct ieee80211_channel *chan; |
| 2515 | struct mwifiex_bg_scan_cfg *bgscan_cfg; |
| 2516 | struct ieee_types_header *ie; |
| 2517 | |
| 2518 | if (!request || (!request->n_ssids && !request->n_match_sets)) { |
| 2519 | wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", |
| 2520 | __func__); |
| 2521 | return -EINVAL; |
| 2522 | } |
| 2523 | |
| 2524 | wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", |
| 2525 | request->n_ssids, request->n_match_sets); |
| 2526 | wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", |
| 2527 | request->n_channels, request->scan_plans->interval, |
| 2528 | (int)request->ie_len); |
| 2529 | |
| 2530 | bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); |
| 2531 | if (!bgscan_cfg) |
| 2532 | return -ENOMEM; |
| 2533 | |
| 2534 | if (priv->scan_request || priv->scan_aborting) |
| 2535 | bgscan_cfg->start_later = true; |
| 2536 | |
| 2537 | bgscan_cfg->num_ssids = request->n_match_sets; |
| 2538 | bgscan_cfg->ssid_list = request->match_sets; |
| 2539 | |
| 2540 | if (request->ie && request->ie_len) { |
| 2541 | offset = 0; |
| 2542 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { |
| 2543 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) |
| 2544 | continue; |
| 2545 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; |
| 2546 | ie = (struct ieee_types_header *)(request->ie + offset); |
| 2547 | memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); |
| 2548 | offset += sizeof(*ie) + ie->len; |
| 2549 | |
| 2550 | if (offset >= request->ie_len) |
| 2551 | break; |
| 2552 | } |
| 2553 | } |
| 2554 | |
| 2555 | for (i = 0; i < min_t(u32, request->n_channels, |
| 2556 | MWIFIEX_BG_SCAN_CHAN_MAX); i++) { |
| 2557 | chan = request->channels[i]; |
| 2558 | bgscan_cfg->chan_list[i].chan_number = chan->hw_value; |
| 2559 | bgscan_cfg->chan_list[i].radio_type = chan->band; |
| 2560 | |
| 2561 | if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) |
| 2562 | bgscan_cfg->chan_list[i].scan_type = |
| 2563 | MWIFIEX_SCAN_TYPE_PASSIVE; |
| 2564 | else |
| 2565 | bgscan_cfg->chan_list[i].scan_type = |
| 2566 | MWIFIEX_SCAN_TYPE_ACTIVE; |
| 2567 | |
| 2568 | bgscan_cfg->chan_list[i].scan_time = 0; |
| 2569 | } |
| 2570 | |
| 2571 | bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, |
| 2572 | MWIFIEX_BG_SCAN_CHAN_MAX); |
| 2573 | |
| 2574 | /* Use at least 15 second for per scan cycle */ |
| 2575 | bgscan_cfg->scan_interval = (request->scan_plans->interval > |
| 2576 | MWIFIEX_BGSCAN_INTERVAL) ? |
| 2577 | request->scan_plans->interval : |
| 2578 | MWIFIEX_BGSCAN_INTERVAL; |
| 2579 | |
| 2580 | bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; |
| 2581 | bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | |
| 2582 | MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; |
| 2583 | bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; |
| 2584 | bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; |
| 2585 | bgscan_cfg->enable = true; |
| 2586 | if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { |
| 2587 | bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; |
| 2588 | bgscan_cfg->rssi_threshold = request->min_rssi_thold; |
| 2589 | } |
| 2590 | |
| 2591 | if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, |
| 2592 | HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { |
| 2593 | kfree(bgscan_cfg); |
| 2594 | return -EFAULT; |
| 2595 | } |
| 2596 | |
| 2597 | priv->sched_scanning = true; |
| 2598 | |
| 2599 | kfree(bgscan_cfg); |
| 2600 | return 0; |
| 2601 | } |
| 2602 | |
| 2603 | /* CFG802.11 operation handler for sched_scan_stop. |
| 2604 | * |
| 2605 | * This function issues a bgscan config command to disable |
| 2606 | * previous bgscan configuration in the firmware |
| 2607 | */ |
| 2608 | static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, |
| 2609 | struct net_device *dev) |
| 2610 | { |
| 2611 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 2612 | |
| 2613 | wiphy_info(wiphy, "sched scan stop!"); |
| 2614 | mwifiex_stop_bg_scan(priv); |
| 2615 | |
| 2616 | return 0; |
| 2617 | } |
| 2618 | |
| 2619 | static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, |
| 2620 | struct mwifiex_private *priv) |
| 2621 | { |
| 2622 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2623 | |
| 2624 | vht_info->vht_supported = true; |
| 2625 | |
| 2626 | vht_info->cap = adapter->hw_dot_11ac_dev_cap; |
| 2627 | /* Update MCS support for VHT */ |
| 2628 | vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( |
| 2629 | adapter->hw_dot_11ac_mcs_support & 0xFFFF); |
| 2630 | vht_info->vht_mcs.rx_highest = 0; |
| 2631 | vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( |
| 2632 | adapter->hw_dot_11ac_mcs_support >> 16); |
| 2633 | vht_info->vht_mcs.tx_highest = 0; |
| 2634 | } |
| 2635 | |
| 2636 | /* |
| 2637 | * This function sets up the CFG802.11 specific HT capability fields |
| 2638 | * with default values. |
| 2639 | * |
| 2640 | * The following default values are set - |
| 2641 | * - HT Supported = True |
| 2642 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
| 2643 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE |
| 2644 | * - HT Capabilities supported by firmware |
| 2645 | * - MCS information, Rx mask = 0xff |
| 2646 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) |
| 2647 | */ |
| 2648 | static void |
| 2649 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, |
| 2650 | struct mwifiex_private *priv) |
| 2651 | { |
| 2652 | int rx_mcs_supp; |
| 2653 | struct ieee80211_mcs_info mcs_set; |
| 2654 | u8 *mcs = (u8 *)&mcs_set; |
| 2655 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2656 | |
| 2657 | ht_info->ht_supported = true; |
| 2658 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 2659 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; |
| 2660 | |
| 2661 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
| 2662 | |
| 2663 | /* Fill HT capability information */ |
| 2664 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 2665 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 2666 | else |
| 2667 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 2668 | |
| 2669 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) |
| 2670 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 2671 | else |
| 2672 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; |
| 2673 | |
| 2674 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) |
| 2675 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 2676 | else |
| 2677 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; |
| 2678 | |
| 2679 | if (adapter->user_dev_mcs_support == HT_STREAM_2X2) |
| 2680 | ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT; |
| 2681 | else |
| 2682 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; |
| 2683 | |
| 2684 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) |
| 2685 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; |
| 2686 | else |
| 2687 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; |
| 2688 | |
| 2689 | if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) |
| 2690 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| 2691 | else |
| 2692 | ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; |
| 2693 | |
| 2694 | if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) |
| 2695 | ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; |
| 2696 | else |
| 2697 | ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; |
| 2698 | |
| 2699 | if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) |
| 2700 | ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; |
| 2701 | else |
| 2702 | ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; |
| 2703 | |
| 2704 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; |
| 2705 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; |
| 2706 | |
| 2707 | rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); |
| 2708 | /* Set MCS for 1x1/2x2 */ |
| 2709 | memset(mcs, 0xff, rx_mcs_supp); |
| 2710 | /* Clear all the other values */ |
| 2711 | memset(&mcs[rx_mcs_supp], 0, |
| 2712 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
| 2713 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
| 2714 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
| 2715 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
| 2716 | SETHT_MCS32(mcs_set.rx_mask); |
| 2717 | |
| 2718 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); |
| 2719 | |
| 2720 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| 2721 | } |
| 2722 | |
| 2723 | /* |
| 2724 | * create a new virtual interface with the given name and name assign type |
| 2725 | */ |
| 2726 | struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, |
| 2727 | const char *name, |
| 2728 | unsigned char name_assign_type, |
| 2729 | enum nl80211_iftype type, |
| 2730 | u32 *flags, |
| 2731 | struct vif_params *params) |
| 2732 | { |
| 2733 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 2734 | struct mwifiex_private *priv; |
| 2735 | struct net_device *dev; |
| 2736 | void *mdev_priv; |
| 2737 | |
| 2738 | if (!adapter) |
| 2739 | return ERR_PTR(-EFAULT); |
| 2740 | |
| 2741 | switch (type) { |
| 2742 | case NL80211_IFTYPE_UNSPECIFIED: |
| 2743 | case NL80211_IFTYPE_STATION: |
| 2744 | case NL80211_IFTYPE_ADHOC: |
| 2745 | if (adapter->curr_iface_comb.sta_intf == |
| 2746 | adapter->iface_limit.sta_intf) { |
| 2747 | mwifiex_dbg(adapter, ERROR, |
| 2748 | "cannot create multiple sta/adhoc ifaces\n"); |
| 2749 | return ERR_PTR(-EINVAL); |
| 2750 | } |
| 2751 | |
| 2752 | priv = mwifiex_get_unused_priv_by_bss_type( |
| 2753 | adapter, MWIFIEX_BSS_TYPE_STA); |
| 2754 | if (!priv) { |
| 2755 | mwifiex_dbg(adapter, ERROR, |
| 2756 | "could not get free private struct\n"); |
| 2757 | return ERR_PTR(-EFAULT); |
| 2758 | } |
| 2759 | |
| 2760 | priv->wdev.wiphy = wiphy; |
| 2761 | priv->wdev.iftype = NL80211_IFTYPE_STATION; |
| 2762 | |
| 2763 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
| 2764 | priv->bss_mode = NL80211_IFTYPE_STATION; |
| 2765 | else |
| 2766 | priv->bss_mode = type; |
| 2767 | |
| 2768 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; |
| 2769 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2770 | priv->bss_priority = 0; |
| 2771 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 2772 | |
| 2773 | break; |
| 2774 | case NL80211_IFTYPE_AP: |
| 2775 | if (adapter->curr_iface_comb.uap_intf == |
| 2776 | adapter->iface_limit.uap_intf) { |
| 2777 | mwifiex_dbg(adapter, ERROR, |
| 2778 | "cannot create multiple AP ifaces\n"); |
| 2779 | return ERR_PTR(-EINVAL); |
| 2780 | } |
| 2781 | |
| 2782 | priv = mwifiex_get_unused_priv_by_bss_type( |
| 2783 | adapter, MWIFIEX_BSS_TYPE_UAP); |
| 2784 | if (!priv) { |
| 2785 | mwifiex_dbg(adapter, ERROR, |
| 2786 | "could not get free private struct\n"); |
| 2787 | return ERR_PTR(-EFAULT); |
| 2788 | } |
| 2789 | |
| 2790 | priv->wdev.wiphy = wiphy; |
| 2791 | priv->wdev.iftype = NL80211_IFTYPE_AP; |
| 2792 | |
| 2793 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; |
| 2794 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2795 | priv->bss_priority = 0; |
| 2796 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; |
| 2797 | priv->bss_started = 0; |
| 2798 | priv->bss_mode = type; |
| 2799 | |
| 2800 | break; |
| 2801 | case NL80211_IFTYPE_P2P_CLIENT: |
| 2802 | if (adapter->curr_iface_comb.p2p_intf == |
| 2803 | adapter->iface_limit.p2p_intf) { |
| 2804 | mwifiex_dbg(adapter, ERROR, |
| 2805 | "cannot create multiple P2P ifaces\n"); |
| 2806 | return ERR_PTR(-EINVAL); |
| 2807 | } |
| 2808 | |
| 2809 | priv = mwifiex_get_unused_priv_by_bss_type( |
| 2810 | adapter, MWIFIEX_BSS_TYPE_P2P); |
| 2811 | if (!priv) { |
| 2812 | mwifiex_dbg(adapter, ERROR, |
| 2813 | "could not get free private struct\n"); |
| 2814 | return ERR_PTR(-EFAULT); |
| 2815 | } |
| 2816 | |
| 2817 | priv->wdev.wiphy = wiphy; |
| 2818 | /* At start-up, wpa_supplicant tries to change the interface |
| 2819 | * to NL80211_IFTYPE_STATION if it is not managed mode. |
| 2820 | */ |
| 2821 | priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; |
| 2822 | priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; |
| 2823 | |
| 2824 | /* Setting bss_type to P2P tells firmware that this interface |
| 2825 | * is receiving P2P peers found during find phase and doing |
| 2826 | * action frame handshake. |
| 2827 | */ |
| 2828 | priv->bss_type = MWIFIEX_BSS_TYPE_P2P; |
| 2829 | |
| 2830 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; |
| 2831 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
| 2832 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
| 2833 | priv->bss_started = 0; |
| 2834 | |
| 2835 | if (mwifiex_cfg80211_init_p2p_client(priv)) { |
| 2836 | memset(&priv->wdev, 0, sizeof(priv->wdev)); |
| 2837 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 2838 | return ERR_PTR(-EFAULT); |
| 2839 | } |
| 2840 | |
| 2841 | break; |
| 2842 | default: |
| 2843 | mwifiex_dbg(adapter, ERROR, "type not supported\n"); |
| 2844 | return ERR_PTR(-EINVAL); |
| 2845 | } |
| 2846 | |
| 2847 | dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, |
| 2848 | name_assign_type, ether_setup, |
| 2849 | IEEE80211_NUM_ACS, 1); |
| 2850 | if (!dev) { |
| 2851 | mwifiex_dbg(adapter, ERROR, |
| 2852 | "no memory available for netdevice\n"); |
| 2853 | memset(&priv->wdev, 0, sizeof(priv->wdev)); |
| 2854 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 2855 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2856 | return ERR_PTR(-ENOMEM); |
| 2857 | } |
| 2858 | |
| 2859 | mwifiex_init_priv_params(priv, dev); |
| 2860 | priv->netdev = dev; |
| 2861 | |
| 2862 | mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); |
| 2863 | if (adapter->is_hw_11ac_capable) |
| 2864 | mwifiex_setup_vht_caps( |
| 2865 | &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); |
| 2866 | |
| 2867 | if (adapter->config_bands & BAND_A) |
| 2868 | mwifiex_setup_ht_caps( |
| 2869 | &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); |
| 2870 | |
| 2871 | if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) |
| 2872 | mwifiex_setup_vht_caps( |
| 2873 | &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); |
| 2874 | |
| 2875 | dev_net_set(dev, wiphy_net(wiphy)); |
| 2876 | dev->ieee80211_ptr = &priv->wdev; |
| 2877 | dev->ieee80211_ptr->iftype = priv->bss_mode; |
| 2878 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); |
| 2879 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); |
| 2880 | |
| 2881 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
| 2882 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; |
| 2883 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; |
| 2884 | dev->ethtool_ops = &mwifiex_ethtool_ops; |
| 2885 | |
| 2886 | mdev_priv = netdev_priv(dev); |
| 2887 | *((unsigned long *) mdev_priv) = (unsigned long) priv; |
| 2888 | |
| 2889 | SET_NETDEV_DEV(dev, adapter->dev); |
| 2890 | |
| 2891 | /* Register network device */ |
| 2892 | if (register_netdevice(dev)) { |
| 2893 | mwifiex_dbg(adapter, ERROR, |
| 2894 | "cannot register virtual network device\n"); |
| 2895 | free_netdev(dev); |
| 2896 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2897 | priv->netdev = NULL; |
| 2898 | memset(&priv->wdev, 0, sizeof(priv->wdev)); |
| 2899 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 2900 | return ERR_PTR(-EFAULT); |
| 2901 | } |
| 2902 | |
| 2903 | priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", |
| 2904 | WQ_HIGHPRI | |
| 2905 | WQ_MEM_RECLAIM | |
| 2906 | WQ_UNBOUND, 1, name); |
| 2907 | if (!priv->dfs_cac_workqueue) { |
| 2908 | mwifiex_dbg(adapter, ERROR, |
| 2909 | "cannot register virtual network device\n"); |
| 2910 | free_netdev(dev); |
| 2911 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2912 | priv->netdev = NULL; |
| 2913 | memset(&priv->wdev, 0, sizeof(priv->wdev)); |
| 2914 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 2915 | return ERR_PTR(-ENOMEM); |
| 2916 | } |
| 2917 | |
| 2918 | INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); |
| 2919 | |
| 2920 | priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", |
| 2921 | WQ_HIGHPRI | WQ_UNBOUND | |
| 2922 | WQ_MEM_RECLAIM, 1, name); |
| 2923 | if (!priv->dfs_chan_sw_workqueue) { |
| 2924 | mwifiex_dbg(adapter, ERROR, |
| 2925 | "cannot register virtual network device\n"); |
| 2926 | free_netdev(dev); |
| 2927 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 2928 | priv->netdev = NULL; |
| 2929 | memset(&priv->wdev, 0, sizeof(priv->wdev)); |
| 2930 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 2931 | return ERR_PTR(-ENOMEM); |
| 2932 | } |
| 2933 | |
| 2934 | INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, |
| 2935 | mwifiex_dfs_chan_sw_work_queue); |
| 2936 | |
| 2937 | sema_init(&priv->async_sem, 1); |
| 2938 | |
| 2939 | mwifiex_dbg(adapter, INFO, |
| 2940 | "info: %s: Marvell 802.11 Adapter\n", dev->name); |
| 2941 | |
| 2942 | #ifdef CONFIG_DEBUG_FS |
| 2943 | mwifiex_dev_debugfs_init(priv); |
| 2944 | #endif |
| 2945 | |
| 2946 | switch (type) { |
| 2947 | case NL80211_IFTYPE_UNSPECIFIED: |
| 2948 | case NL80211_IFTYPE_STATION: |
| 2949 | case NL80211_IFTYPE_ADHOC: |
| 2950 | adapter->curr_iface_comb.sta_intf++; |
| 2951 | break; |
| 2952 | case NL80211_IFTYPE_AP: |
| 2953 | adapter->curr_iface_comb.uap_intf++; |
| 2954 | break; |
| 2955 | case NL80211_IFTYPE_P2P_CLIENT: |
| 2956 | adapter->curr_iface_comb.p2p_intf++; |
| 2957 | break; |
| 2958 | default: |
| 2959 | mwifiex_dbg(adapter, ERROR, "type not supported\n"); |
| 2960 | return ERR_PTR(-EINVAL); |
| 2961 | } |
| 2962 | |
| 2963 | return &priv->wdev; |
| 2964 | } |
| 2965 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); |
| 2966 | |
| 2967 | /* |
| 2968 | * del_virtual_intf: remove the virtual interface determined by dev |
| 2969 | */ |
| 2970 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
| 2971 | { |
| 2972 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 2973 | struct mwifiex_adapter *adapter = priv->adapter; |
| 2974 | struct sk_buff *skb, *tmp; |
| 2975 | |
| 2976 | #ifdef CONFIG_DEBUG_FS |
| 2977 | mwifiex_dev_debugfs_remove(priv); |
| 2978 | #endif |
| 2979 | |
| 2980 | if (priv->sched_scanning) |
| 2981 | priv->sched_scanning = false; |
| 2982 | |
| 2983 | mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
| 2984 | |
| 2985 | skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) |
| 2986 | mwifiex_write_data_complete(priv->adapter, skb, 0, -1); |
| 2987 | |
| 2988 | if (netif_carrier_ok(priv->netdev)) |
| 2989 | netif_carrier_off(priv->netdev); |
| 2990 | |
| 2991 | if (wdev->netdev->reg_state == NETREG_REGISTERED) |
| 2992 | unregister_netdevice(wdev->netdev); |
| 2993 | |
| 2994 | if (priv->dfs_cac_workqueue) { |
| 2995 | flush_workqueue(priv->dfs_cac_workqueue); |
| 2996 | destroy_workqueue(priv->dfs_cac_workqueue); |
| 2997 | priv->dfs_cac_workqueue = NULL; |
| 2998 | } |
| 2999 | |
| 3000 | if (priv->dfs_chan_sw_workqueue) { |
| 3001 | flush_workqueue(priv->dfs_chan_sw_workqueue); |
| 3002 | destroy_workqueue(priv->dfs_chan_sw_workqueue); |
| 3003 | priv->dfs_chan_sw_workqueue = NULL; |
| 3004 | } |
| 3005 | /* Clear the priv in adapter */ |
| 3006 | priv->netdev->ieee80211_ptr = NULL; |
| 3007 | priv->netdev = NULL; |
| 3008 | priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; |
| 3009 | |
| 3010 | priv->media_connected = false; |
| 3011 | |
| 3012 | switch (priv->bss_mode) { |
| 3013 | case NL80211_IFTYPE_UNSPECIFIED: |
| 3014 | case NL80211_IFTYPE_STATION: |
| 3015 | case NL80211_IFTYPE_ADHOC: |
| 3016 | adapter->curr_iface_comb.sta_intf--; |
| 3017 | break; |
| 3018 | case NL80211_IFTYPE_AP: |
| 3019 | adapter->curr_iface_comb.uap_intf--; |
| 3020 | break; |
| 3021 | case NL80211_IFTYPE_P2P_CLIENT: |
| 3022 | case NL80211_IFTYPE_P2P_GO: |
| 3023 | adapter->curr_iface_comb.p2p_intf--; |
| 3024 | break; |
| 3025 | default: |
| 3026 | mwifiex_dbg(adapter, ERROR, |
| 3027 | "del_virtual_intf: type not supported\n"); |
| 3028 | break; |
| 3029 | } |
| 3030 | |
| 3031 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 3032 | |
| 3033 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || |
| 3034 | GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) |
| 3035 | kfree(priv->hist_data); |
| 3036 | |
| 3037 | return 0; |
| 3038 | } |
| 3039 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); |
| 3040 | |
| 3041 | static bool |
| 3042 | mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, |
| 3043 | u8 max_byte_seq) |
| 3044 | { |
| 3045 | int j, k, valid_byte_cnt = 0; |
| 3046 | bool dont_care_byte = false; |
| 3047 | |
| 3048 | for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { |
| 3049 | for (k = 0; k < 8; k++) { |
| 3050 | if (pat->mask[j] & 1 << k) { |
| 3051 | memcpy(byte_seq + valid_byte_cnt, |
| 3052 | &pat->pattern[j * 8 + k], 1); |
| 3053 | valid_byte_cnt++; |
| 3054 | if (dont_care_byte) |
| 3055 | return false; |
| 3056 | } else { |
| 3057 | if (valid_byte_cnt) |
| 3058 | dont_care_byte = true; |
| 3059 | } |
| 3060 | |
| 3061 | /* wildcard bytes record as the offset |
| 3062 | * before the valid byte |
| 3063 | */ |
| 3064 | if (!valid_byte_cnt && !dont_care_byte) |
| 3065 | pat->pkt_offset++; |
| 3066 | |
| 3067 | if (valid_byte_cnt > max_byte_seq) |
| 3068 | return false; |
| 3069 | } |
| 3070 | } |
| 3071 | |
| 3072 | byte_seq[max_byte_seq] = valid_byte_cnt; |
| 3073 | |
| 3074 | return true; |
| 3075 | } |
| 3076 | |
| 3077 | #ifdef CONFIG_PM |
| 3078 | static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, |
| 3079 | struct mwifiex_mef_entry *mef_entry) |
| 3080 | { |
| 3081 | int i, filt_num = 0, num_ipv4 = 0; |
| 3082 | struct in_device *in_dev; |
| 3083 | struct in_ifaddr *ifa; |
| 3084 | __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; |
| 3085 | struct mwifiex_adapter *adapter = priv->adapter; |
| 3086 | |
| 3087 | mef_entry->mode = MEF_MODE_HOST_SLEEP; |
| 3088 | mef_entry->action = MEF_ACTION_AUTO_ARP; |
| 3089 | |
| 3090 | /* Enable ARP offload feature */ |
| 3091 | memset(ips, 0, sizeof(ips)); |
| 3092 | for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { |
| 3093 | if (adapter->priv[i]->netdev) { |
| 3094 | in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); |
| 3095 | if (!in_dev) |
| 3096 | continue; |
| 3097 | ifa = in_dev->ifa_list; |
| 3098 | if (!ifa || !ifa->ifa_local) |
| 3099 | continue; |
| 3100 | ips[i] = ifa->ifa_local; |
| 3101 | num_ipv4++; |
| 3102 | } |
| 3103 | } |
| 3104 | |
| 3105 | for (i = 0; i < num_ipv4; i++) { |
| 3106 | if (!ips[i]) |
| 3107 | continue; |
| 3108 | mef_entry->filter[filt_num].repeat = 1; |
| 3109 | memcpy(mef_entry->filter[filt_num].byte_seq, |
| 3110 | (u8 *)&ips[i], sizeof(ips[i])); |
| 3111 | mef_entry->filter[filt_num]. |
| 3112 | byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = |
| 3113 | sizeof(ips[i]); |
| 3114 | mef_entry->filter[filt_num].offset = 46; |
| 3115 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 3116 | if (filt_num) { |
| 3117 | mef_entry->filter[filt_num].filt_action = |
| 3118 | TYPE_OR; |
| 3119 | } |
| 3120 | filt_num++; |
| 3121 | } |
| 3122 | |
| 3123 | mef_entry->filter[filt_num].repeat = 1; |
| 3124 | mef_entry->filter[filt_num].byte_seq[0] = 0x08; |
| 3125 | mef_entry->filter[filt_num].byte_seq[1] = 0x06; |
| 3126 | mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; |
| 3127 | mef_entry->filter[filt_num].offset = 20; |
| 3128 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 3129 | mef_entry->filter[filt_num].filt_action = TYPE_AND; |
| 3130 | } |
| 3131 | |
| 3132 | static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, |
| 3133 | struct mwifiex_ds_mef_cfg *mef_cfg, |
| 3134 | struct mwifiex_mef_entry *mef_entry, |
| 3135 | struct cfg80211_wowlan *wowlan) |
| 3136 | { |
| 3137 | int i, filt_num = 0, ret = 0; |
| 3138 | bool first_pat = true; |
| 3139 | u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; |
| 3140 | const u8 ipv4_mc_mac[] = {0x33, 0x33}; |
| 3141 | const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; |
| 3142 | |
| 3143 | mef_entry->mode = MEF_MODE_HOST_SLEEP; |
| 3144 | mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; |
| 3145 | |
| 3146 | for (i = 0; i < wowlan->n_patterns; i++) { |
| 3147 | memset(byte_seq, 0, sizeof(byte_seq)); |
| 3148 | if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], |
| 3149 | byte_seq, |
| 3150 | MWIFIEX_MEF_MAX_BYTESEQ)) { |
| 3151 | mwifiex_dbg(priv->adapter, ERROR, |
| 3152 | "Pattern not supported\n"); |
| 3153 | return -EOPNOTSUPP; |
| 3154 | } |
| 3155 | |
| 3156 | if (!wowlan->patterns[i].pkt_offset) { |
| 3157 | if (!(byte_seq[0] & 0x01) && |
| 3158 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { |
| 3159 | mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; |
| 3160 | continue; |
| 3161 | } else if (is_broadcast_ether_addr(byte_seq)) { |
| 3162 | mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; |
| 3163 | continue; |
| 3164 | } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && |
| 3165 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || |
| 3166 | (!memcmp(byte_seq, ipv6_mc_mac, 3) && |
| 3167 | (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { |
| 3168 | mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; |
| 3169 | continue; |
| 3170 | } |
| 3171 | } |
| 3172 | mef_entry->filter[filt_num].repeat = 1; |
| 3173 | mef_entry->filter[filt_num].offset = |
| 3174 | wowlan->patterns[i].pkt_offset; |
| 3175 | memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, |
| 3176 | sizeof(byte_seq)); |
| 3177 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 3178 | |
| 3179 | if (first_pat) { |
| 3180 | first_pat = false; |
| 3181 | mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); |
| 3182 | } else { |
| 3183 | mef_entry->filter[filt_num].filt_action = TYPE_AND; |
| 3184 | } |
| 3185 | |
| 3186 | filt_num++; |
| 3187 | } |
| 3188 | |
| 3189 | if (wowlan->magic_pkt) { |
| 3190 | mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; |
| 3191 | mef_entry->filter[filt_num].repeat = 16; |
| 3192 | memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, |
| 3193 | ETH_ALEN); |
| 3194 | mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = |
| 3195 | ETH_ALEN; |
| 3196 | mef_entry->filter[filt_num].offset = 28; |
| 3197 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 3198 | if (filt_num) |
| 3199 | mef_entry->filter[filt_num].filt_action = TYPE_OR; |
| 3200 | |
| 3201 | filt_num++; |
| 3202 | mef_entry->filter[filt_num].repeat = 16; |
| 3203 | memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, |
| 3204 | ETH_ALEN); |
| 3205 | mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = |
| 3206 | ETH_ALEN; |
| 3207 | mef_entry->filter[filt_num].offset = 56; |
| 3208 | mef_entry->filter[filt_num].filt_type = TYPE_EQ; |
| 3209 | mef_entry->filter[filt_num].filt_action = TYPE_OR; |
| 3210 | mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); |
| 3211 | } |
| 3212 | return ret; |
| 3213 | } |
| 3214 | |
| 3215 | static int mwifiex_set_mef_filter(struct mwifiex_private *priv, |
| 3216 | struct cfg80211_wowlan *wowlan) |
| 3217 | { |
| 3218 | int ret = 0, num_entries = 1; |
| 3219 | struct mwifiex_ds_mef_cfg mef_cfg; |
| 3220 | struct mwifiex_mef_entry *mef_entry; |
| 3221 | |
| 3222 | if (wowlan->n_patterns || wowlan->magic_pkt) |
| 3223 | num_entries++; |
| 3224 | |
| 3225 | mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); |
| 3226 | if (!mef_entry) |
| 3227 | return -ENOMEM; |
| 3228 | |
| 3229 | memset(&mef_cfg, 0, sizeof(mef_cfg)); |
| 3230 | mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | |
| 3231 | MWIFIEX_CRITERIA_UNICAST; |
| 3232 | mef_cfg.num_entries = num_entries; |
| 3233 | mef_cfg.mef_entry = mef_entry; |
| 3234 | |
| 3235 | mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); |
| 3236 | |
| 3237 | if (wowlan->n_patterns || wowlan->magic_pkt) { |
| 3238 | ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, |
| 3239 | &mef_entry[1], wowlan); |
| 3240 | if (ret) |
| 3241 | goto err; |
| 3242 | } |
| 3243 | |
| 3244 | if (!mef_cfg.criteria) |
| 3245 | mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | |
| 3246 | MWIFIEX_CRITERIA_UNICAST | |
| 3247 | MWIFIEX_CRITERIA_MULTICAST; |
| 3248 | |
| 3249 | ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, |
| 3250 | HostCmd_ACT_GEN_SET, 0, |
| 3251 | &mef_cfg, true); |
| 3252 | |
| 3253 | err: |
| 3254 | kfree(mef_entry); |
| 3255 | return ret; |
| 3256 | } |
| 3257 | |
| 3258 | static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, |
| 3259 | struct cfg80211_wowlan *wowlan) |
| 3260 | { |
| 3261 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 3262 | struct mwifiex_ds_hs_cfg hs_cfg; |
| 3263 | int i, ret = 0, retry_num = 10; |
| 3264 | struct mwifiex_private *priv; |
| 3265 | |
| 3266 | for (i = 0; i < adapter->priv_num; i++) { |
| 3267 | priv = adapter->priv[i]; |
| 3268 | mwifiex_abort_cac(priv); |
| 3269 | } |
| 3270 | |
| 3271 | mwifiex_cancel_all_pending_cmd(adapter); |
| 3272 | |
| 3273 | for (i = 0; i < adapter->priv_num; i++) { |
| 3274 | priv = adapter->priv[i]; |
| 3275 | if (priv && priv->netdev) { |
| 3276 | mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
| 3277 | if (netif_carrier_ok(priv->netdev)) |
| 3278 | netif_carrier_off(priv->netdev); |
| 3279 | } |
| 3280 | } |
| 3281 | |
| 3282 | for (i = 0; i < retry_num; i++) { |
| 3283 | if (!mwifiex_wmm_lists_empty(adapter) || |
| 3284 | !mwifiex_bypass_txlist_empty(adapter) || |
| 3285 | !skb_queue_empty(&adapter->tx_data_q)) |
| 3286 | usleep_range(10000, 15000); |
| 3287 | else |
| 3288 | break; |
| 3289 | } |
| 3290 | |
| 3291 | if (!wowlan) { |
| 3292 | mwifiex_dbg(adapter, ERROR, |
| 3293 | "None of the WOWLAN triggers enabled\n"); |
| 3294 | return 0; |
| 3295 | } |
| 3296 | |
| 3297 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
| 3298 | |
| 3299 | if (!priv->media_connected && !wowlan->nd_config) { |
| 3300 | mwifiex_dbg(adapter, ERROR, |
| 3301 | "Can not configure WOWLAN in disconnected state\n"); |
| 3302 | return 0; |
| 3303 | } |
| 3304 | |
| 3305 | ret = mwifiex_set_mef_filter(priv, wowlan); |
| 3306 | if (ret) { |
| 3307 | mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); |
| 3308 | return ret; |
| 3309 | } |
| 3310 | |
| 3311 | memset(&hs_cfg, 0, sizeof(hs_cfg)); |
| 3312 | hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); |
| 3313 | |
| 3314 | if (wowlan->nd_config) { |
| 3315 | mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); |
| 3316 | hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; |
| 3317 | mwifiex_cfg80211_sched_scan_start(wiphy, priv->netdev, |
| 3318 | wowlan->nd_config); |
| 3319 | } |
| 3320 | |
| 3321 | if (wowlan->disconnect) { |
| 3322 | hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; |
| 3323 | mwifiex_dbg(priv->adapter, INFO, "Wake on device disconnect\n"); |
| 3324 | } |
| 3325 | |
| 3326 | hs_cfg.is_invoke_hostcmd = false; |
| 3327 | hs_cfg.gpio = adapter->hs_cfg.gpio; |
| 3328 | hs_cfg.gap = adapter->hs_cfg.gap; |
| 3329 | ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, |
| 3330 | MWIFIEX_SYNC_CMD, &hs_cfg); |
| 3331 | if (ret) { |
| 3332 | mwifiex_dbg(adapter, ERROR, |
| 3333 | "Failed to set HS params\n"); |
| 3334 | return ret; |
| 3335 | } |
| 3336 | |
| 3337 | return ret; |
| 3338 | } |
| 3339 | |
| 3340 | static int mwifiex_cfg80211_resume(struct wiphy *wiphy) |
| 3341 | { |
| 3342 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 3343 | struct mwifiex_private *priv; |
| 3344 | struct mwifiex_ds_wakeup_reason wakeup_reason; |
| 3345 | struct cfg80211_wowlan_wakeup wakeup_report; |
| 3346 | int i; |
| 3347 | bool report_wakeup_reason = true; |
| 3348 | |
| 3349 | for (i = 0; i < adapter->priv_num; i++) { |
| 3350 | priv = adapter->priv[i]; |
| 3351 | if (priv && priv->netdev) { |
| 3352 | if (!netif_carrier_ok(priv->netdev)) |
| 3353 | netif_carrier_on(priv->netdev); |
| 3354 | mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); |
| 3355 | } |
| 3356 | } |
| 3357 | |
| 3358 | if (!wiphy->wowlan_config) |
| 3359 | goto done; |
| 3360 | |
| 3361 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
| 3362 | mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, |
| 3363 | &wakeup_reason); |
| 3364 | memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); |
| 3365 | |
| 3366 | wakeup_report.pattern_idx = -1; |
| 3367 | |
| 3368 | switch (wakeup_reason.hs_wakeup_reason) { |
| 3369 | case NO_HSWAKEUP_REASON: |
| 3370 | break; |
| 3371 | case BCAST_DATA_MATCHED: |
| 3372 | break; |
| 3373 | case MCAST_DATA_MATCHED: |
| 3374 | break; |
| 3375 | case UCAST_DATA_MATCHED: |
| 3376 | break; |
| 3377 | case MASKTABLE_EVENT_MATCHED: |
| 3378 | break; |
| 3379 | case NON_MASKABLE_EVENT_MATCHED: |
| 3380 | if (wiphy->wowlan_config->disconnect) |
| 3381 | wakeup_report.disconnect = true; |
| 3382 | if (wiphy->wowlan_config->nd_config) |
| 3383 | wakeup_report.net_detect = adapter->nd_info; |
| 3384 | break; |
| 3385 | case NON_MASKABLE_CONDITION_MATCHED: |
| 3386 | break; |
| 3387 | case MAGIC_PATTERN_MATCHED: |
| 3388 | if (wiphy->wowlan_config->magic_pkt) |
| 3389 | wakeup_report.magic_pkt = true; |
| 3390 | if (wiphy->wowlan_config->n_patterns) |
| 3391 | wakeup_report.pattern_idx = 1; |
| 3392 | break; |
| 3393 | case GTK_REKEY_FAILURE: |
| 3394 | if (wiphy->wowlan_config->gtk_rekey_failure) |
| 3395 | wakeup_report.gtk_rekey_failure = true; |
| 3396 | break; |
| 3397 | default: |
| 3398 | report_wakeup_reason = false; |
| 3399 | break; |
| 3400 | } |
| 3401 | |
| 3402 | if (report_wakeup_reason) |
| 3403 | cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, |
| 3404 | GFP_KERNEL); |
| 3405 | |
| 3406 | done: |
| 3407 | if (adapter->nd_info) { |
| 3408 | for (i = 0 ; i < adapter->nd_info->n_matches ; i++) |
| 3409 | kfree(adapter->nd_info->matches[i]); |
| 3410 | kfree(adapter->nd_info); |
| 3411 | adapter->nd_info = NULL; |
| 3412 | } |
| 3413 | |
| 3414 | return 0; |
| 3415 | } |
| 3416 | |
| 3417 | static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, |
| 3418 | bool enabled) |
| 3419 | { |
| 3420 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 3421 | |
| 3422 | device_set_wakeup_enable(adapter->dev, enabled); |
| 3423 | } |
| 3424 | |
| 3425 | static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, |
| 3426 | struct cfg80211_gtk_rekey_data *data) |
| 3427 | { |
| 3428 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3429 | |
| 3430 | return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, |
| 3431 | HostCmd_ACT_GEN_SET, 0, data, true); |
| 3432 | } |
| 3433 | |
| 3434 | #endif |
| 3435 | |
| 3436 | static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) |
| 3437 | { |
| 3438 | const u8 ipv4_mc_mac[] = {0x33, 0x33}; |
| 3439 | const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; |
| 3440 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; |
| 3441 | |
| 3442 | if ((byte_seq[0] & 0x01) && |
| 3443 | (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) |
| 3444 | return PACKET_TYPE_UNICAST; |
| 3445 | else if (!memcmp(byte_seq, bc_mac, 4)) |
| 3446 | return PACKET_TYPE_BROADCAST; |
| 3447 | else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && |
| 3448 | byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || |
| 3449 | (!memcmp(byte_seq, ipv6_mc_mac, 3) && |
| 3450 | byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) |
| 3451 | return PACKET_TYPE_MULTICAST; |
| 3452 | |
| 3453 | return 0; |
| 3454 | } |
| 3455 | |
| 3456 | static int |
| 3457 | mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, |
| 3458 | struct cfg80211_coalesce_rules *crule, |
| 3459 | struct mwifiex_coalesce_rule *mrule) |
| 3460 | { |
| 3461 | u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; |
| 3462 | struct filt_field_param *param; |
| 3463 | int i; |
| 3464 | |
| 3465 | mrule->max_coalescing_delay = crule->delay; |
| 3466 | |
| 3467 | param = mrule->params; |
| 3468 | |
| 3469 | for (i = 0; i < crule->n_patterns; i++) { |
| 3470 | memset(byte_seq, 0, sizeof(byte_seq)); |
| 3471 | if (!mwifiex_is_pattern_supported(&crule->patterns[i], |
| 3472 | byte_seq, |
| 3473 | MWIFIEX_COALESCE_MAX_BYTESEQ)) { |
| 3474 | mwifiex_dbg(priv->adapter, ERROR, |
| 3475 | "Pattern not supported\n"); |
| 3476 | return -EOPNOTSUPP; |
| 3477 | } |
| 3478 | |
| 3479 | if (!crule->patterns[i].pkt_offset) { |
| 3480 | u8 pkt_type; |
| 3481 | |
| 3482 | pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); |
| 3483 | if (pkt_type && mrule->pkt_type) { |
| 3484 | mwifiex_dbg(priv->adapter, ERROR, |
| 3485 | "Multiple packet types not allowed\n"); |
| 3486 | return -EOPNOTSUPP; |
| 3487 | } else if (pkt_type) { |
| 3488 | mrule->pkt_type = pkt_type; |
| 3489 | continue; |
| 3490 | } |
| 3491 | } |
| 3492 | |
| 3493 | if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) |
| 3494 | param->operation = RECV_FILTER_MATCH_TYPE_EQ; |
| 3495 | else |
| 3496 | param->operation = RECV_FILTER_MATCH_TYPE_NE; |
| 3497 | |
| 3498 | param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; |
| 3499 | memcpy(param->operand_byte_stream, byte_seq, |
| 3500 | param->operand_len); |
| 3501 | param->offset = crule->patterns[i].pkt_offset; |
| 3502 | param++; |
| 3503 | |
| 3504 | mrule->num_of_fields++; |
| 3505 | } |
| 3506 | |
| 3507 | if (!mrule->pkt_type) { |
| 3508 | mwifiex_dbg(priv->adapter, ERROR, |
| 3509 | "Packet type can not be determined\n"); |
| 3510 | return -EOPNOTSUPP; |
| 3511 | } |
| 3512 | |
| 3513 | return 0; |
| 3514 | } |
| 3515 | |
| 3516 | static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, |
| 3517 | struct cfg80211_coalesce *coalesce) |
| 3518 | { |
| 3519 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
| 3520 | int i, ret; |
| 3521 | struct mwifiex_ds_coalesce_cfg coalesce_cfg; |
| 3522 | struct mwifiex_private *priv = |
| 3523 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
| 3524 | |
| 3525 | memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); |
| 3526 | if (!coalesce) { |
| 3527 | mwifiex_dbg(adapter, WARN, |
| 3528 | "Disable coalesce and reset all previous rules\n"); |
| 3529 | return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, |
| 3530 | HostCmd_ACT_GEN_SET, 0, |
| 3531 | &coalesce_cfg, true); |
| 3532 | } |
| 3533 | |
| 3534 | coalesce_cfg.num_of_rules = coalesce->n_rules; |
| 3535 | for (i = 0; i < coalesce->n_rules; i++) { |
| 3536 | ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], |
| 3537 | &coalesce_cfg.rule[i]); |
| 3538 | if (ret) { |
| 3539 | mwifiex_dbg(adapter, ERROR, |
| 3540 | "Recheck the patterns provided for rule %d\n", |
| 3541 | i + 1); |
| 3542 | return ret; |
| 3543 | } |
| 3544 | } |
| 3545 | |
| 3546 | return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, |
| 3547 | HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); |
| 3548 | } |
| 3549 | |
| 3550 | /* cfg80211 ops handler for tdls_mgmt. |
| 3551 | * Function prepares TDLS action frame packets and forwards them to FW |
| 3552 | */ |
| 3553 | static int |
| 3554 | mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, |
| 3555 | const u8 *peer, u8 action_code, u8 dialog_token, |
| 3556 | u16 status_code, u32 peer_capability, |
| 3557 | bool initiator, const u8 *extra_ies, |
| 3558 | size_t extra_ies_len) |
| 3559 | { |
| 3560 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3561 | int ret; |
| 3562 | |
| 3563 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) |
| 3564 | return -ENOTSUPP; |
| 3565 | |
| 3566 | /* make sure we are in station mode and connected */ |
| 3567 | if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) |
| 3568 | return -ENOTSUPP; |
| 3569 | |
| 3570 | switch (action_code) { |
| 3571 | case WLAN_TDLS_SETUP_REQUEST: |
| 3572 | mwifiex_dbg(priv->adapter, MSG, |
| 3573 | "Send TDLS Setup Request to %pM status_code=%d\n", |
| 3574 | peer, status_code); |
| 3575 | mwifiex_add_auto_tdls_peer(priv, peer); |
| 3576 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 3577 | dialog_token, status_code, |
| 3578 | extra_ies, extra_ies_len); |
| 3579 | break; |
| 3580 | case WLAN_TDLS_SETUP_RESPONSE: |
| 3581 | mwifiex_add_auto_tdls_peer(priv, peer); |
| 3582 | mwifiex_dbg(priv->adapter, MSG, |
| 3583 | "Send TDLS Setup Response to %pM status_code=%d\n", |
| 3584 | peer, status_code); |
| 3585 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 3586 | dialog_token, status_code, |
| 3587 | extra_ies, extra_ies_len); |
| 3588 | break; |
| 3589 | case WLAN_TDLS_SETUP_CONFIRM: |
| 3590 | mwifiex_dbg(priv->adapter, MSG, |
| 3591 | "Send TDLS Confirm to %pM status_code=%d\n", peer, |
| 3592 | status_code); |
| 3593 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 3594 | dialog_token, status_code, |
| 3595 | extra_ies, extra_ies_len); |
| 3596 | break; |
| 3597 | case WLAN_TDLS_TEARDOWN: |
| 3598 | mwifiex_dbg(priv->adapter, MSG, |
| 3599 | "Send TDLS Tear down to %pM\n", peer); |
| 3600 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 3601 | dialog_token, status_code, |
| 3602 | extra_ies, extra_ies_len); |
| 3603 | break; |
| 3604 | case WLAN_TDLS_DISCOVERY_REQUEST: |
| 3605 | mwifiex_dbg(priv->adapter, MSG, |
| 3606 | "Send TDLS Discovery Request to %pM\n", peer); |
| 3607 | ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, |
| 3608 | dialog_token, status_code, |
| 3609 | extra_ies, extra_ies_len); |
| 3610 | break; |
| 3611 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: |
| 3612 | mwifiex_dbg(priv->adapter, MSG, |
| 3613 | "Send TDLS Discovery Response to %pM\n", peer); |
| 3614 | ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, |
| 3615 | dialog_token, status_code, |
| 3616 | extra_ies, extra_ies_len); |
| 3617 | break; |
| 3618 | default: |
| 3619 | mwifiex_dbg(priv->adapter, ERROR, |
| 3620 | "Unknown TDLS mgmt/action frame %pM\n", peer); |
| 3621 | ret = -EINVAL; |
| 3622 | break; |
| 3623 | } |
| 3624 | |
| 3625 | return ret; |
| 3626 | } |
| 3627 | |
| 3628 | static int |
| 3629 | mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, |
| 3630 | const u8 *peer, enum nl80211_tdls_operation action) |
| 3631 | { |
| 3632 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3633 | |
| 3634 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || |
| 3635 | !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) |
| 3636 | return -ENOTSUPP; |
| 3637 | |
| 3638 | /* make sure we are in station mode and connected */ |
| 3639 | if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) |
| 3640 | return -ENOTSUPP; |
| 3641 | |
| 3642 | mwifiex_dbg(priv->adapter, MSG, |
| 3643 | "TDLS peer=%pM, oper=%d\n", peer, action); |
| 3644 | |
| 3645 | switch (action) { |
| 3646 | case NL80211_TDLS_ENABLE_LINK: |
| 3647 | action = MWIFIEX_TDLS_ENABLE_LINK; |
| 3648 | break; |
| 3649 | case NL80211_TDLS_DISABLE_LINK: |
| 3650 | action = MWIFIEX_TDLS_DISABLE_LINK; |
| 3651 | break; |
| 3652 | case NL80211_TDLS_TEARDOWN: |
| 3653 | /* shouldn't happen!*/ |
| 3654 | mwifiex_dbg(priv->adapter, ERROR, |
| 3655 | "tdls_oper: teardown from driver not supported\n"); |
| 3656 | return -EINVAL; |
| 3657 | case NL80211_TDLS_SETUP: |
| 3658 | /* shouldn't happen!*/ |
| 3659 | mwifiex_dbg(priv->adapter, ERROR, |
| 3660 | "tdls_oper: setup from driver not supported\n"); |
| 3661 | return -EINVAL; |
| 3662 | case NL80211_TDLS_DISCOVERY_REQ: |
| 3663 | /* shouldn't happen!*/ |
| 3664 | mwifiex_dbg(priv->adapter, ERROR, |
| 3665 | "tdls_oper: discovery from driver not supported\n"); |
| 3666 | return -EINVAL; |
| 3667 | default: |
| 3668 | mwifiex_dbg(priv->adapter, ERROR, |
| 3669 | "tdls_oper: operation not supported\n"); |
| 3670 | return -ENOTSUPP; |
| 3671 | } |
| 3672 | |
| 3673 | return mwifiex_tdls_oper(priv, peer, action); |
| 3674 | } |
| 3675 | |
| 3676 | static int |
| 3677 | mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, |
| 3678 | const u8 *addr, u8 oper_class, |
| 3679 | struct cfg80211_chan_def *chandef) |
| 3680 | { |
| 3681 | struct mwifiex_sta_node *sta_ptr; |
| 3682 | unsigned long flags; |
| 3683 | u16 chan; |
| 3684 | u8 second_chan_offset, band; |
| 3685 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3686 | |
| 3687 | spin_lock_irqsave(&priv->sta_list_spinlock, flags); |
| 3688 | sta_ptr = mwifiex_get_sta_entry(priv, addr); |
| 3689 | spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); |
| 3690 | |
| 3691 | if (!sta_ptr) { |
| 3692 | wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", |
| 3693 | __func__, addr); |
| 3694 | return -ENOENT; |
| 3695 | } |
| 3696 | |
| 3697 | if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & |
| 3698 | WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { |
| 3699 | wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); |
| 3700 | return -ENOENT; |
| 3701 | } |
| 3702 | |
| 3703 | if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || |
| 3704 | sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { |
| 3705 | wiphy_err(wiphy, "channel switch is running, abort request\n"); |
| 3706 | return -EALREADY; |
| 3707 | } |
| 3708 | |
| 3709 | chan = chandef->chan->hw_value; |
| 3710 | second_chan_offset = mwifiex_get_sec_chan_offset(chan); |
| 3711 | band = chandef->chan->band; |
| 3712 | mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); |
| 3713 | |
| 3714 | return 0; |
| 3715 | } |
| 3716 | |
| 3717 | static void |
| 3718 | mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, |
| 3719 | struct net_device *dev, |
| 3720 | const u8 *addr) |
| 3721 | { |
| 3722 | struct mwifiex_sta_node *sta_ptr; |
| 3723 | unsigned long flags; |
| 3724 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3725 | |
| 3726 | spin_lock_irqsave(&priv->sta_list_spinlock, flags); |
| 3727 | sta_ptr = mwifiex_get_sta_entry(priv, addr); |
| 3728 | spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); |
| 3729 | |
| 3730 | if (!sta_ptr) { |
| 3731 | wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", |
| 3732 | __func__, addr); |
| 3733 | } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || |
| 3734 | sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || |
| 3735 | sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { |
| 3736 | wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", |
| 3737 | addr); |
| 3738 | } else |
| 3739 | mwifiex_stop_tdls_cs(priv, addr); |
| 3740 | } |
| 3741 | |
| 3742 | static int |
| 3743 | mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, |
| 3744 | const u8 *mac, struct station_parameters *params) |
| 3745 | { |
| 3746 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3747 | |
| 3748 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) |
| 3749 | return -ENOTSUPP; |
| 3750 | |
| 3751 | /* make sure we are in station mode and connected */ |
| 3752 | if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) |
| 3753 | return -ENOTSUPP; |
| 3754 | |
| 3755 | return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); |
| 3756 | } |
| 3757 | |
| 3758 | static int |
| 3759 | mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
| 3760 | struct cfg80211_csa_settings *params) |
| 3761 | { |
| 3762 | struct ieee_types_header *chsw_ie; |
| 3763 | struct ieee80211_channel_sw_ie *channel_sw; |
| 3764 | int chsw_msec; |
| 3765 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3766 | |
| 3767 | if (priv->adapter->scan_processing) { |
| 3768 | mwifiex_dbg(priv->adapter, ERROR, |
| 3769 | "radar detection: scan in process...\n"); |
| 3770 | return -EBUSY; |
| 3771 | } |
| 3772 | |
| 3773 | if (priv->wdev.cac_started) |
| 3774 | return -EBUSY; |
| 3775 | |
| 3776 | if (cfg80211_chandef_identical(¶ms->chandef, |
| 3777 | &priv->dfs_chandef)) |
| 3778 | return -EINVAL; |
| 3779 | |
| 3780 | chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, |
| 3781 | params->beacon_csa.tail, |
| 3782 | params->beacon_csa.tail_len); |
| 3783 | if (!chsw_ie) { |
| 3784 | mwifiex_dbg(priv->adapter, ERROR, |
| 3785 | "Could not parse channel switch announcement IE\n"); |
| 3786 | return -EINVAL; |
| 3787 | } |
| 3788 | |
| 3789 | channel_sw = (void *)(chsw_ie + 1); |
| 3790 | if (channel_sw->mode) { |
| 3791 | if (netif_carrier_ok(priv->netdev)) |
| 3792 | netif_carrier_off(priv->netdev); |
| 3793 | mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); |
| 3794 | } |
| 3795 | |
| 3796 | if (mwifiex_del_mgmt_ies(priv)) |
| 3797 | mwifiex_dbg(priv->adapter, ERROR, |
| 3798 | "Failed to delete mgmt IEs!\n"); |
| 3799 | |
| 3800 | if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { |
| 3801 | mwifiex_dbg(priv->adapter, ERROR, |
| 3802 | "%s: setting mgmt ies failed\n", __func__); |
| 3803 | return -EFAULT; |
| 3804 | } |
| 3805 | |
| 3806 | memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); |
| 3807 | memcpy(&priv->beacon_after, ¶ms->beacon_after, |
| 3808 | sizeof(priv->beacon_after)); |
| 3809 | |
| 3810 | chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); |
| 3811 | queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, |
| 3812 | msecs_to_jiffies(chsw_msec)); |
| 3813 | return 0; |
| 3814 | } |
| 3815 | |
| 3816 | static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, |
| 3817 | struct wireless_dev *wdev, |
| 3818 | struct cfg80211_chan_def *chandef) |
| 3819 | { |
| 3820 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
| 3821 | struct mwifiex_bssdescriptor *curr_bss; |
| 3822 | struct ieee80211_channel *chan; |
| 3823 | u8 second_chan_offset; |
| 3824 | enum nl80211_channel_type chan_type; |
| 3825 | enum nl80211_band band; |
| 3826 | int freq; |
| 3827 | int ret = -ENODATA; |
| 3828 | |
| 3829 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
| 3830 | cfg80211_chandef_valid(&priv->bss_chandef)) { |
| 3831 | *chandef = priv->bss_chandef; |
| 3832 | ret = 0; |
| 3833 | } else if (priv->media_connected) { |
| 3834 | curr_bss = &priv->curr_bss_params.bss_descriptor; |
| 3835 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| 3836 | freq = ieee80211_channel_to_frequency(curr_bss->channel, band); |
| 3837 | chan = ieee80211_get_channel(wiphy, freq); |
| 3838 | |
| 3839 | if (priv->ht_param_present) { |
| 3840 | second_chan_offset = priv->assoc_resp_ht_param & |
| 3841 | IEEE80211_HT_PARAM_CHA_SEC_OFFSET; |
| 3842 | chan_type = mwifiex_sec_chan_offset_to_chan_type |
| 3843 | (second_chan_offset); |
| 3844 | cfg80211_chandef_create(chandef, chan, chan_type); |
| 3845 | } else { |
| 3846 | cfg80211_chandef_create(chandef, chan, |
| 3847 | NL80211_CHAN_NO_HT); |
| 3848 | } |
| 3849 | ret = 0; |
| 3850 | } |
| 3851 | |
| 3852 | return ret; |
| 3853 | } |
| 3854 | |
| 3855 | static int |
| 3856 | mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, |
| 3857 | struct net_device *dev, |
| 3858 | struct cfg80211_chan_def *chandef, |
| 3859 | u32 cac_time_ms) |
| 3860 | { |
| 3861 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3862 | struct mwifiex_radar_params radar_params; |
| 3863 | |
| 3864 | if (priv->adapter->scan_processing) { |
| 3865 | mwifiex_dbg(priv->adapter, ERROR, |
| 3866 | "radar detection: scan already in process...\n"); |
| 3867 | return -EBUSY; |
| 3868 | } |
| 3869 | |
| 3870 | if (!mwifiex_is_11h_active(priv)) { |
| 3871 | mwifiex_dbg(priv->adapter, INFO, |
| 3872 | "Enable 11h extensions in FW\n"); |
| 3873 | if (mwifiex_11h_activate(priv, true)) { |
| 3874 | mwifiex_dbg(priv->adapter, ERROR, |
| 3875 | "Failed to activate 11h extensions!!"); |
| 3876 | return -1; |
| 3877 | } |
| 3878 | priv->state_11h.is_11h_active = true; |
| 3879 | } |
| 3880 | |
| 3881 | memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); |
| 3882 | radar_params.chandef = chandef; |
| 3883 | radar_params.cac_time_ms = cac_time_ms; |
| 3884 | |
| 3885 | memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); |
| 3886 | |
| 3887 | if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, |
| 3888 | HostCmd_ACT_GEN_SET, 0, &radar_params, true)) |
| 3889 | return -1; |
| 3890 | |
| 3891 | queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, |
| 3892 | msecs_to_jiffies(cac_time_ms)); |
| 3893 | return 0; |
| 3894 | } |
| 3895 | |
| 3896 | static int |
| 3897 | mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, |
| 3898 | const u8 *mac, |
| 3899 | struct station_parameters *params) |
| 3900 | { |
| 3901 | int ret; |
| 3902 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 3903 | |
| 3904 | /* we support change_station handler only for TDLS peers*/ |
| 3905 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) |
| 3906 | return -ENOTSUPP; |
| 3907 | |
| 3908 | /* make sure we are in station mode and connected */ |
| 3909 | if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) |
| 3910 | return -ENOTSUPP; |
| 3911 | |
| 3912 | priv->sta_params = params; |
| 3913 | |
| 3914 | ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); |
| 3915 | priv->sta_params = NULL; |
| 3916 | |
| 3917 | return ret; |
| 3918 | } |
| 3919 | |
| 3920 | /* station cfg80211 operations */ |
| 3921 | static struct cfg80211_ops mwifiex_cfg80211_ops = { |
| 3922 | .add_virtual_intf = mwifiex_add_virtual_intf, |
| 3923 | .del_virtual_intf = mwifiex_del_virtual_intf, |
| 3924 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
| 3925 | .scan = mwifiex_cfg80211_scan, |
| 3926 | .connect = mwifiex_cfg80211_connect, |
| 3927 | .disconnect = mwifiex_cfg80211_disconnect, |
| 3928 | .get_station = mwifiex_cfg80211_get_station, |
| 3929 | .dump_station = mwifiex_cfg80211_dump_station, |
| 3930 | .dump_survey = mwifiex_cfg80211_dump_survey, |
| 3931 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
| 3932 | .join_ibss = mwifiex_cfg80211_join_ibss, |
| 3933 | .leave_ibss = mwifiex_cfg80211_leave_ibss, |
| 3934 | .add_key = mwifiex_cfg80211_add_key, |
| 3935 | .del_key = mwifiex_cfg80211_del_key, |
| 3936 | .mgmt_tx = mwifiex_cfg80211_mgmt_tx, |
| 3937 | .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, |
| 3938 | .remain_on_channel = mwifiex_cfg80211_remain_on_channel, |
| 3939 | .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, |
| 3940 | .set_default_key = mwifiex_cfg80211_set_default_key, |
| 3941 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, |
| 3942 | .set_tx_power = mwifiex_cfg80211_set_tx_power, |
| 3943 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
| 3944 | .start_ap = mwifiex_cfg80211_start_ap, |
| 3945 | .stop_ap = mwifiex_cfg80211_stop_ap, |
| 3946 | .change_beacon = mwifiex_cfg80211_change_beacon, |
| 3947 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
| 3948 | .set_antenna = mwifiex_cfg80211_set_antenna, |
| 3949 | .del_station = mwifiex_cfg80211_del_station, |
| 3950 | .sched_scan_start = mwifiex_cfg80211_sched_scan_start, |
| 3951 | .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, |
| 3952 | #ifdef CONFIG_PM |
| 3953 | .suspend = mwifiex_cfg80211_suspend, |
| 3954 | .resume = mwifiex_cfg80211_resume, |
| 3955 | .set_wakeup = mwifiex_cfg80211_set_wakeup, |
| 3956 | .set_rekey_data = mwifiex_set_rekey_data, |
| 3957 | #endif |
| 3958 | .set_coalesce = mwifiex_cfg80211_set_coalesce, |
| 3959 | .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, |
| 3960 | .tdls_oper = mwifiex_cfg80211_tdls_oper, |
| 3961 | .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, |
| 3962 | .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, |
| 3963 | .add_station = mwifiex_cfg80211_add_station, |
| 3964 | .change_station = mwifiex_cfg80211_change_station, |
| 3965 | .get_channel = mwifiex_cfg80211_get_channel, |
| 3966 | .start_radar_detection = mwifiex_cfg80211_start_radar_detection, |
| 3967 | .channel_switch = mwifiex_cfg80211_channel_switch, |
| 3968 | }; |
| 3969 | |
| 3970 | #ifdef CONFIG_PM |
| 3971 | static const struct wiphy_wowlan_support mwifiex_wowlan_support = { |
| 3972 | .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | |
| 3973 | WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
| 3974 | WIPHY_WOWLAN_GTK_REKEY_FAILURE, |
| 3975 | .n_patterns = MWIFIEX_MEF_MAX_FILTERS, |
| 3976 | .pattern_min_len = 1, |
| 3977 | .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, |
| 3978 | .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, |
| 3979 | .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, |
| 3980 | }; |
| 3981 | #endif |
| 3982 | |
| 3983 | static bool mwifiex_is_valid_alpha2(const char *alpha2) |
| 3984 | { |
| 3985 | if (!alpha2 || strlen(alpha2) != 2) |
| 3986 | return false; |
| 3987 | |
| 3988 | if (isalpha(alpha2[0]) && isalpha(alpha2[1])) |
| 3989 | return true; |
| 3990 | |
| 3991 | return false; |
| 3992 | } |
| 3993 | |
| 3994 | static const struct wiphy_coalesce_support mwifiex_coalesce_support = { |
| 3995 | .n_rules = MWIFIEX_COALESCE_MAX_RULES, |
| 3996 | .max_delay = MWIFIEX_MAX_COALESCING_DELAY, |
| 3997 | .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, |
| 3998 | .pattern_min_len = 1, |
| 3999 | .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, |
| 4000 | .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, |
| 4001 | }; |
| 4002 | |
| 4003 | int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) |
| 4004 | { |
| 4005 | u32 n_channels_bg, n_channels_a = 0; |
| 4006 | |
| 4007 | n_channels_bg = mwifiex_band_2ghz.n_channels; |
| 4008 | |
| 4009 | if (adapter->config_bands & BAND_A) |
| 4010 | n_channels_a = mwifiex_band_5ghz.n_channels; |
| 4011 | |
| 4012 | adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); |
| 4013 | adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * |
| 4014 | adapter->num_in_chan_stats); |
| 4015 | |
| 4016 | if (!adapter->chan_stats) |
| 4017 | return -ENOMEM; |
| 4018 | |
| 4019 | return 0; |
| 4020 | } |
| 4021 | |
| 4022 | /* |
| 4023 | * This function registers the device with CFG802.11 subsystem. |
| 4024 | * |
| 4025 | * The function creates the wireless device/wiphy, populates it with |
| 4026 | * default parameters and handler function pointers, and finally |
| 4027 | * registers the device. |
| 4028 | */ |
| 4029 | |
| 4030 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) |
| 4031 | { |
| 4032 | int ret; |
| 4033 | void *wdev_priv; |
| 4034 | struct wiphy *wiphy; |
| 4035 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
| 4036 | u8 *country_code; |
| 4037 | u32 thr, retry; |
| 4038 | |
| 4039 | /* create a new wiphy for use with cfg80211 */ |
| 4040 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, |
| 4041 | sizeof(struct mwifiex_adapter *)); |
| 4042 | if (!wiphy) { |
| 4043 | mwifiex_dbg(adapter, ERROR, |
| 4044 | "%s: creating new wiphy\n", __func__); |
| 4045 | return -ENOMEM; |
| 4046 | } |
| 4047 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
| 4048 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; |
| 4049 | wiphy->mgmt_stypes = mwifiex_mgmt_stypes; |
| 4050 | wiphy->max_remain_on_channel_duration = 5000; |
| 4051 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 4052 | BIT(NL80211_IFTYPE_ADHOC) | |
| 4053 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 4054 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 4055 | BIT(NL80211_IFTYPE_AP); |
| 4056 | |
| 4057 | wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; |
| 4058 | if (adapter->config_bands & BAND_A) |
| 4059 | wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; |
| 4060 | else |
| 4061 | wiphy->bands[NL80211_BAND_5GHZ] = NULL; |
| 4062 | |
| 4063 | if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) |
| 4064 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; |
| 4065 | else if (adapter->is_hw_11ac_capable) |
| 4066 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; |
| 4067 | else |
| 4068 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
| 4069 | wiphy->n_iface_combinations = 1; |
| 4070 | |
| 4071 | /* Initialize cipher suits */ |
| 4072 | wiphy->cipher_suites = mwifiex_cipher_suites; |
| 4073 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); |
| 4074 | |
| 4075 | if (adapter->region_code) |
| 4076 | wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | |
| 4077 | REGULATORY_COUNTRY_IE_IGNORE; |
| 4078 | |
| 4079 | ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); |
| 4080 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 4081 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | |
| 4082 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | |
| 4083 | WIPHY_FLAG_AP_UAPSD | |
| 4084 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN | |
| 4085 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | |
| 4086 | WIPHY_FLAG_HAS_CHANNEL_SWITCH | |
| 4087 | WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 4088 | |
| 4089 | if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) |
| 4090 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | |
| 4091 | WIPHY_FLAG_TDLS_EXTERNAL_SETUP; |
| 4092 | |
| 4093 | #ifdef CONFIG_PM |
| 4094 | wiphy->wowlan = &mwifiex_wowlan_support; |
| 4095 | #endif |
| 4096 | |
| 4097 | wiphy->coalesce = &mwifiex_coalesce_support; |
| 4098 | |
| 4099 | wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | |
| 4100 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | |
| 4101 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; |
| 4102 | |
| 4103 | wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
| 4104 | wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; |
| 4105 | wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; |
| 4106 | |
| 4107 | wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; |
| 4108 | wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; |
| 4109 | |
| 4110 | wiphy->features |= NL80211_FEATURE_HT_IBSS | |
| 4111 | NL80211_FEATURE_INACTIVITY_TIMER | |
| 4112 | NL80211_FEATURE_LOW_PRIORITY_SCAN | |
| 4113 | NL80211_FEATURE_NEED_OBSS_SCAN; |
| 4114 | |
| 4115 | if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) |
| 4116 | wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; |
| 4117 | |
| 4118 | if (adapter->fw_api_ver == MWIFIEX_FW_V15) |
| 4119 | wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; |
| 4120 | |
| 4121 | /* Reserve space for mwifiex specific private data for BSS */ |
| 4122 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
| 4123 | |
| 4124 | wiphy->reg_notifier = mwifiex_reg_notifier; |
| 4125 | |
| 4126 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
| 4127 | wdev_priv = wiphy_priv(wiphy); |
| 4128 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
| 4129 | |
| 4130 | set_wiphy_dev(wiphy, priv->adapter->dev); |
| 4131 | |
| 4132 | ret = wiphy_register(wiphy); |
| 4133 | if (ret < 0) { |
| 4134 | mwifiex_dbg(adapter, ERROR, |
| 4135 | "%s: wiphy_register failed: %d\n", __func__, ret); |
| 4136 | wiphy_free(wiphy); |
| 4137 | return ret; |
| 4138 | } |
| 4139 | |
| 4140 | if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { |
| 4141 | mwifiex_dbg(adapter, INFO, |
| 4142 | "driver hint alpha2: %2.2s\n", reg_alpha2); |
| 4143 | regulatory_hint(wiphy, reg_alpha2); |
| 4144 | } else { |
| 4145 | if (adapter->region_code == 0x00) { |
| 4146 | mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n"); |
| 4147 | } else { |
| 4148 | country_code = |
| 4149 | mwifiex_11d_code_2_region(adapter->region_code); |
| 4150 | if (country_code && |
| 4151 | regulatory_hint(wiphy, country_code)) |
| 4152 | mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n"); |
| 4153 | } |
| 4154 | } |
| 4155 | |
| 4156 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 4157 | HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); |
| 4158 | wiphy->frag_threshold = thr; |
| 4159 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 4160 | HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); |
| 4161 | wiphy->rts_threshold = thr; |
| 4162 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 4163 | HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); |
| 4164 | wiphy->retry_short = (u8) retry; |
| 4165 | mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, |
| 4166 | HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); |
| 4167 | wiphy->retry_long = (u8) retry; |
| 4168 | |
| 4169 | adapter->wiphy = wiphy; |
| 4170 | return ret; |
| 4171 | } |