drivers/net/wireless/rndis_wlan.c

   1 /*
   2  * Driver for RNDIS based wireless USB devices.
   3  *
   4  * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
   5  * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  *  Portions of this file are based on NDISwrapper project,
  22  *  Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
  23  *  http://ndiswrapper.sourceforge.net/
  24  */
  25
  26 // #define      DEBUG                   // error path messages, extra info
  27 // #define      VERBOSE                 // more; success messages
  28
  29 #include <linux/module.h>
  30 #include <linux/init.h>
  31 #include <linux/netdevice.h>
  32 #include <linux/etherdevice.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/workqueue.h>
  35 #include <linux/mutex.h>
  36 #include <linux/mii.h>
  37 #include <linux/usb.h>
  38 #include <linux/usb/cdc.h>
  39 #include <linux/wireless.h>
  40 #include <linux/ieee80211.h>
  41 #include <linux/if_arp.h>
  42 #include <linux/ctype.h>
  43 #include <linux/spinlock.h>
  44 #include <net/iw_handler.h>
  45 #include <net/cfg80211.h>
  46 #include <linux/usb/usbnet.h>
  47 #include <linux/usb/rndis_host.h>
  48
  49
  50 /* NOTE: All these are settings for Broadcom chipset */
  51 static char modparam_country[4] = "EU";
  52 module_param_string(country, modparam_country, 4, 0444);
  53 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
  54
  55 static int modparam_frameburst = 1;
  56 module_param_named(frameburst, modparam_frameburst, int, 0444);
  57 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
  58
  59 static int modparam_afterburner = 0;
  60 module_param_named(afterburner, modparam_afterburner, int, 0444);
  61 MODULE_PARM_DESC(afterburner,
  62         "enable afterburner aka '125 High Speed Mode' (default: off)");
  63
  64 static int modparam_power_save = 0;
  65 module_param_named(power_save, modparam_power_save, int, 0444);
  66 MODULE_PARM_DESC(power_save,
  67         "set power save mode: 0=off, 1=on, 2=fast (default: off)");
  68
  69 static int modparam_power_output = 3;
  70 module_param_named(power_output, modparam_power_output, int, 0444);
  71 MODULE_PARM_DESC(power_output,
  72         "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
  73
  74 static int modparam_roamtrigger = -70;
  75 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
  76 MODULE_PARM_DESC(roamtrigger,
  77         "set roaming dBm trigger: -80=optimize for distance, "
  78                                 "-60=bandwidth (default: -70)");
  79
  80 static int modparam_roamdelta = 1;
  81 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
  82 MODULE_PARM_DESC(roamdelta,
  83         "set roaming tendency: 0=aggressive, 1=moderate, "
  84                                 "2=conservative (default: moderate)");
  85
  86 static int modparam_workaround_interval = 500;
  87 module_param_named(workaround_interval, modparam_workaround_interval,
  88                                                         int, 0444);
  89 MODULE_PARM_DESC(workaround_interval,
  90         "set stall workaround interval in msecs (default: 500)");
  91
  92
  93 /* various RNDIS OID defs */
  94 #define OID_GEN_LINK_SPEED                      cpu_to_le32(0x00010107)
  95 #define OID_GEN_RNDIS_CONFIG_PARAMETER          cpu_to_le32(0x0001021b)
  96
  97 #define OID_GEN_XMIT_OK                         cpu_to_le32(0x00020101)
  98 #define OID_GEN_RCV_OK                          cpu_to_le32(0x00020102)
  99 #define OID_GEN_XMIT_ERROR                      cpu_to_le32(0x00020103)
 100 #define OID_GEN_RCV_ERROR                       cpu_to_le32(0x00020104)
 101 #define OID_GEN_RCV_NO_BUFFER                   cpu_to_le32(0x00020105)
 102
 103 #define OID_802_3_CURRENT_ADDRESS               cpu_to_le32(0x01010102)
 104 #define OID_802_3_MULTICAST_LIST                cpu_to_le32(0x01010103)
 105 #define OID_802_3_MAXIMUM_LIST_SIZE             cpu_to_le32(0x01010104)
 106
 107 #define OID_802_11_BSSID                        cpu_to_le32(0x0d010101)
 108 #define OID_802_11_SSID                         cpu_to_le32(0x0d010102)
 109 #define OID_802_11_INFRASTRUCTURE_MODE          cpu_to_le32(0x0d010108)
 110 #define OID_802_11_ADD_WEP                      cpu_to_le32(0x0d010113)
 111 #define OID_802_11_REMOVE_WEP                   cpu_to_le32(0x0d010114)
 112 #define OID_802_11_DISASSOCIATE                 cpu_to_le32(0x0d010115)
 113 #define OID_802_11_AUTHENTICATION_MODE          cpu_to_le32(0x0d010118)
 114 #define OID_802_11_PRIVACY_FILTER               cpu_to_le32(0x0d010119)
 115 #define OID_802_11_BSSID_LIST_SCAN              cpu_to_le32(0x0d01011a)
 116 #define OID_802_11_ENCRYPTION_STATUS            cpu_to_le32(0x0d01011b)
 117 #define OID_802_11_ADD_KEY                      cpu_to_le32(0x0d01011d)
 118 #define OID_802_11_REMOVE_KEY                   cpu_to_le32(0x0d01011e)
 119 #define OID_802_11_ASSOCIATION_INFORMATION      cpu_to_le32(0x0d01011f)
 120 #define OID_802_11_PMKID                        cpu_to_le32(0x0d010123)
 121 #define OID_802_11_NETWORK_TYPES_SUPPORTED      cpu_to_le32(0x0d010203)
 122 #define OID_802_11_NETWORK_TYPE_IN_USE          cpu_to_le32(0x0d010204)
 123 #define OID_802_11_TX_POWER_LEVEL               cpu_to_le32(0x0d010205)
 124 #define OID_802_11_RSSI                         cpu_to_le32(0x0d010206)
 125 #define OID_802_11_RSSI_TRIGGER                 cpu_to_le32(0x0d010207)
 126 #define OID_802_11_FRAGMENTATION_THRESHOLD      cpu_to_le32(0x0d010209)
 127 #define OID_802_11_RTS_THRESHOLD                cpu_to_le32(0x0d01020a)
 128 #define OID_802_11_SUPPORTED_RATES              cpu_to_le32(0x0d01020e)
 129 #define OID_802_11_CONFIGURATION                cpu_to_le32(0x0d010211)
 130 #define OID_802_11_BSSID_LIST                   cpu_to_le32(0x0d010217)
 131
 132
 133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
 134 #define WL_NOISE        -96     /* typical noise level in dBm */
 135 #define WL_SIGMAX       -32     /* typical maximum signal level in dBm */
 136
 137
 138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
 139  * based on wireless rndis) has default txpower of 13dBm.
 140  * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
 141  *  100% : 20 mW ~ 13dBm
 142  *   75% : 15 mW ~ 12dBm
 143  *   50% : 10 mW ~ 10dBm
 144  *   25% :  5 mW ~  7dBm
 145  */
 146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
 147 #define BCM4320_DEFAULT_TXPOWER_DBM_75  12
 148 #define BCM4320_DEFAULT_TXPOWER_DBM_50  10
 149 #define BCM4320_DEFAULT_TXPOWER_DBM_25  7
 150
 151
 152 /* codes for "status" field of completion messages */
 153 #define RNDIS_STATUS_ADAPTER_NOT_READY          cpu_to_le32(0xc0010011)
 154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN           cpu_to_le32(0xc0010012)
 155
 156
 157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
 158  * slightly modified for datatype endianess, etc
 159  */
 160 #define NDIS_802_11_LENGTH_SSID 32
 161 #define NDIS_802_11_LENGTH_RATES 8
 162 #define NDIS_802_11_LENGTH_RATES_EX 16
 163
 164 enum ndis_80211_net_type {
 165         NDIS_80211_TYPE_FREQ_HOP,
 166         NDIS_80211_TYPE_DIRECT_SEQ,
 167         NDIS_80211_TYPE_OFDM_A,
 168         NDIS_80211_TYPE_OFDM_G
 169 };
 170
 171 enum ndis_80211_net_infra {
 172         NDIS_80211_INFRA_ADHOC,
 173         NDIS_80211_INFRA_INFRA,
 174         NDIS_80211_INFRA_AUTO_UNKNOWN
 175 };
 176
 177 enum ndis_80211_auth_mode {
 178         NDIS_80211_AUTH_OPEN,
 179         NDIS_80211_AUTH_SHARED,
 180         NDIS_80211_AUTH_AUTO_SWITCH,
 181         NDIS_80211_AUTH_WPA,
 182         NDIS_80211_AUTH_WPA_PSK,
 183         NDIS_80211_AUTH_WPA_NONE,
 184         NDIS_80211_AUTH_WPA2,
 185         NDIS_80211_AUTH_WPA2_PSK
 186 };
 187
 188 enum ndis_80211_encr_status {
 189         NDIS_80211_ENCR_WEP_ENABLED,
 190         NDIS_80211_ENCR_DISABLED,
 191         NDIS_80211_ENCR_WEP_KEY_ABSENT,
 192         NDIS_80211_ENCR_NOT_SUPPORTED,
 193         NDIS_80211_ENCR_TKIP_ENABLED,
 194         NDIS_80211_ENCR_TKIP_KEY_ABSENT,
 195         NDIS_80211_ENCR_CCMP_ENABLED,
 196         NDIS_80211_ENCR_CCMP_KEY_ABSENT
 197 };
 198
 199 enum ndis_80211_priv_filter {
 200         NDIS_80211_PRIV_ACCEPT_ALL,
 201         NDIS_80211_PRIV_8021X_WEP
 202 };
 203
 204 enum ndis_80211_status_type {
 205         NDIS_80211_STATUSTYPE_AUTHENTICATION,
 206         NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
 207         NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
 208         NDIS_80211_STATUSTYPE_RADIOSTATE,
 209 };
 210
 211 enum ndis_80211_media_stream_mode {
 212         NDIS_80211_MEDIA_STREAM_OFF,
 213         NDIS_80211_MEDIA_STREAM_ON
 214 };
 215
 216 enum ndis_80211_radio_status {
 217         NDIS_80211_RADIO_STATUS_ON,
 218         NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
 219         NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
 220 };
 221
 222 enum ndis_80211_addkey_bits {
 223         NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
 224         NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
 225         NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
 226         NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
 227 };
 228
 229 enum ndis_80211_addwep_bits {
 230         NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
 231         NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
 232 };
 233
 234 struct ndis_80211_auth_request {
 235         __le32 length;
 236         u8 bssid[6];
 237         u8 padding[2];
 238         __le32 flags;
 239 } __attribute__((packed));
 240
 241 struct ndis_80211_pmkid_candidate {
 242         u8 bssid[6];
 243         u8 padding[2];
 244         __le32 flags;
 245 } __attribute__((packed));
 246
 247 struct ndis_80211_pmkid_cand_list {
 248         __le32 version;
 249         __le32 num_candidates;
 250         struct ndis_80211_pmkid_candidate candidate_list[0];
 251 } __attribute__((packed));
 252
 253 struct ndis_80211_status_indication {
 254         __le32 status_type;
 255         union {
 256                 enum ndis_80211_media_stream_mode       media_stream_mode;
 257                 enum ndis_80211_radio_status            radio_status;
 258                 struct ndis_80211_auth_request          auth_request[0];
 259                 struct ndis_80211_pmkid_cand_list       cand_list;
 260         } u;
 261 } __attribute__((packed));
 262
 263 struct ndis_80211_ssid {
 264         __le32 length;
 265         u8 essid[NDIS_802_11_LENGTH_SSID];
 266 } __attribute__((packed));
 267
 268 struct ndis_80211_conf_freq_hop {
 269         __le32 length;
 270         __le32 hop_pattern;
 271         __le32 hop_set;
 272         __le32 dwell_time;
 273 } __attribute__((packed));
 274
 275 struct ndis_80211_conf {
 276         __le32 length;
 277         __le32 beacon_period;
 278         __le32 atim_window;
 279         __le32 ds_config;
 280         struct ndis_80211_conf_freq_hop fh_config;
 281 } __attribute__((packed));
 282
 283 struct ndis_80211_bssid_ex {
 284         __le32 length;
 285         u8 mac[6];
 286         u8 padding[2];
 287         struct ndis_80211_ssid ssid;
 288         __le32 privacy;
 289         __le32 rssi;
 290         __le32 net_type;
 291         struct ndis_80211_conf config;
 292         __le32 net_infra;
 293         u8 rates[NDIS_802_11_LENGTH_RATES_EX];
 294         __le32 ie_length;
 295         u8 ies[0];
 296 } __attribute__((packed));
 297
 298 struct ndis_80211_bssid_list_ex {
 299         __le32 num_items;
 300         struct ndis_80211_bssid_ex bssid[0];
 301 } __attribute__((packed));
 302
 303 struct ndis_80211_fixed_ies {
 304         u8 timestamp[8];
 305         __le16 beacon_interval;
 306         __le16 capabilities;
 307 } __attribute__((packed));
 308
 309 struct ndis_80211_wep_key {
 310         __le32 size;
 311         __le32 index;
 312         __le32 length;
 313         u8 material[32];
 314 } __attribute__((packed));
 315
 316 struct ndis_80211_key {
 317         __le32 size;
 318         __le32 index;
 319         __le32 length;
 320         u8 bssid[6];
 321         u8 padding[6];
 322         u8 rsc[8];
 323         u8 material[32];
 324 } __attribute__((packed));
 325
 326 struct ndis_80211_remove_key {
 327         __le32 size;
 328         __le32 index;
 329         u8 bssid[6];
 330         u8 padding[2];
 331 } __attribute__((packed));
 332
 333 struct ndis_config_param {
 334         __le32 name_offs;
 335         __le32 name_length;
 336         __le32 type;
 337         __le32 value_offs;
 338         __le32 value_length;
 339 } __attribute__((packed));
 340
 341 struct ndis_80211_assoc_info {
 342         __le32 length;
 343         __le16 req_ies;
 344         struct req_ie {
 345                 __le16 capa;
 346                 __le16 listen_interval;
 347                 u8 cur_ap_address[6];
 348         } req_ie;
 349         __le32 req_ie_length;
 350         __le32 offset_req_ies;
 351         __le16 resp_ies;
 352         struct resp_ie {
 353                 __le16 capa;
 354                 __le16 status_code;
 355                 __le16 assoc_id;
 356         } resp_ie;
 357         __le32 resp_ie_length;
 358         __le32 offset_resp_ies;
 359 } __attribute__((packed));
 360
 361 /*
 362  *  private data
 363  */
 364 #define NET_TYPE_11FB   0
 365
 366 #define CAP_MODE_80211A         1
 367 #define CAP_MODE_80211B         2
 368 #define CAP_MODE_80211G         4
 369 #define CAP_MODE_MASK           7
 370
 371 #define WORK_LINK_UP            (1<<0)
 372 #define WORK_LINK_DOWN          (1<<1)
 373 #define WORK_SET_MULTICAST_LIST (1<<2)
 374
 375 #define RNDIS_WLAN_ALG_NONE     0
 376 #define RNDIS_WLAN_ALG_WEP      (1<<0)
 377 #define RNDIS_WLAN_ALG_TKIP     (1<<1)
 378 #define RNDIS_WLAN_ALG_CCMP     (1<<2)
 379
 380 #define RNDIS_WLAN_KEY_MGMT_NONE        0
 381 #define RNDIS_WLAN_KEY_MGMT_802_1X      (1<<0)
 382 #define RNDIS_WLAN_KEY_MGMT_PSK         (1<<1)
 383
 384 #define COMMAND_BUFFER_SIZE     (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
 385
 386 static const struct ieee80211_channel rndis_channels[] = {
 387         { .center_freq = 2412 },
 388         { .center_freq = 2417 },
 389         { .center_freq = 2422 },
 390         { .center_freq = 2427 },
 391         { .center_freq = 2432 },
 392         { .center_freq = 2437 },
 393         { .center_freq = 2442 },
 394         { .center_freq = 2447 },
 395         { .center_freq = 2452 },
 396         { .center_freq = 2457 },
 397         { .center_freq = 2462 },
 398         { .center_freq = 2467 },
 399         { .center_freq = 2472 },
 400         { .center_freq = 2484 },
 401 };
 402
 403 static const struct ieee80211_rate rndis_rates[] = {
 404         { .bitrate = 10 },
 405         { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 406         { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 407         { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 408         { .bitrate = 60 },
 409         { .bitrate = 90 },
 410         { .bitrate = 120 },
 411         { .bitrate = 180 },
 412         { .bitrate = 240 },
 413         { .bitrate = 360 },
 414         { .bitrate = 480 },
 415         { .bitrate = 540 }
 416 };
 417
 418 static const u32 rndis_cipher_suites[] = {
 419         WLAN_CIPHER_SUITE_WEP40,
 420         WLAN_CIPHER_SUITE_WEP104,
 421         WLAN_CIPHER_SUITE_TKIP,
 422         WLAN_CIPHER_SUITE_CCMP,
 423 };
 424
 425 struct rndis_wlan_encr_key {
 426         int len;
 427         u32 cipher;
 428         u8 material[32];
 429         u8 bssid[ETH_ALEN];
 430         bool pairwise;
 431         bool tx_key;
 432 };
 433
 434 /* RNDIS device private data */
 435 struct rndis_wlan_private {
 436         struct usbnet *usbdev;
 437
 438         struct wireless_dev wdev;
 439
 440         struct cfg80211_scan_request *scan_request;
 441
 442         struct workqueue_struct *workqueue;
 443         struct delayed_work stats_work;
 444         struct delayed_work scan_work;
 445         struct work_struct work;
 446         struct mutex command_lock;
 447         unsigned long work_pending;
 448         int last_qual;
 449
 450         struct ieee80211_supported_band band;
 451         struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
 452         struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
 453         u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
 454
 455         int caps;
 456         int multicast_size;
 457
 458         /* module parameters */
 459         char param_country[4];
 460         int  param_frameburst;
 461         int  param_afterburner;
 462         int  param_power_save;
 463         int  param_power_output;
 464         int  param_roamtrigger;
 465         int  param_roamdelta;
 466         u32  param_workaround_interval;
 467
 468         /* hardware state */
 469         int radio_on;
 470         int infra_mode;
 471         bool connected;
 472         u8 bssid[ETH_ALEN];
 473         struct ndis_80211_ssid essid;
 474         __le32 current_command_oid;
 475
 476         /* encryption stuff */
 477         int  encr_tx_key_index;
 478         struct rndis_wlan_encr_key encr_keys[4];
 479         enum nl80211_auth_type wpa_auth_type;
 480         int  wpa_version;
 481         int  wpa_keymgmt;
 482         int  wpa_ie_len;
 483         u8  *wpa_ie;
 484         int  wpa_cipher_pair;
 485         int  wpa_cipher_group;
 486
 487         u8 command_buffer[COMMAND_BUFFER_SIZE];
 488 };
 489
 490 /*
 491  * cfg80211 ops
 492  */
 493 static int rndis_change_virtual_intf(struct wiphy *wiphy,
 494                                         struct net_device *dev,
 495                                         enum nl80211_iftype type, u32 *flags,
 496                                         struct vif_params *params);
 497
 498 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
 499                         struct cfg80211_scan_request *request);
 500
 501 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
 502
 503 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
 504                                 int dbm);
 505 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
 506
 507 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
 508                                 struct cfg80211_connect_params *sme);
 509
 510 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
 511                                 u16 reason_code);
 512
 513 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
 514                                         struct cfg80211_ibss_params *params);
 515
 516 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
 517
 518 static int rndis_set_channel(struct wiphy *wiphy,
 519         struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
 520
 521 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
 522                                         u8 key_index, const u8 *mac_addr,
 523                                         struct key_params *params);
 524
 525 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
 526                                         u8 key_index, const u8 *mac_addr);
 527
 528 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
 529                                                                 u8 key_index);
 530
 531 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
 532                                         u8 *mac, struct station_info *sinfo);
 533
 534 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
 535                                int idx, u8 *mac, struct station_info *sinfo);
 536
 537 static struct cfg80211_ops rndis_config_ops = {
 538         .change_virtual_intf = rndis_change_virtual_intf,
 539         .scan = rndis_scan,
 540         .set_wiphy_params = rndis_set_wiphy_params,
 541         .set_tx_power = rndis_set_tx_power,
 542         .get_tx_power = rndis_get_tx_power,
 543         .connect = rndis_connect,
 544         .disconnect = rndis_disconnect,
 545         .join_ibss = rndis_join_ibss,
 546         .leave_ibss = rndis_leave_ibss,
 547         .set_channel = rndis_set_channel,
 548         .add_key = rndis_add_key,
 549         .del_key = rndis_del_key,
 550         .set_default_key = rndis_set_default_key,
 551         .get_station = rndis_get_station,
 552         .dump_station = rndis_dump_station,
 553 };
 554
 555 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
 556
 557
 558 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
 559 {
 560         return (struct rndis_wlan_private *)dev->driver_priv;
 561 }
 562
 563
 564 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
 565 {
 566         switch (priv->param_power_output) {
 567         default:
 568         case 3:
 569                 return BCM4320_DEFAULT_TXPOWER_DBM_100;
 570         case 2:
 571                 return BCM4320_DEFAULT_TXPOWER_DBM_75;
 572         case 1:
 573                 return BCM4320_DEFAULT_TXPOWER_DBM_50;
 574         case 0:
 575                 return BCM4320_DEFAULT_TXPOWER_DBM_25;
 576         }
 577 }
 578
 579
 580 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
 581 {
 582         int cipher = priv->encr_keys[idx].cipher;
 583
 584         return (cipher == WLAN_CIPHER_SUITE_CCMP ||
 585                 cipher == WLAN_CIPHER_SUITE_TKIP);
 586 }
 587
 588
 589 static int rndis_cipher_to_alg(u32 cipher)
 590 {
 591         switch (cipher) {
 592         default:
 593                 return RNDIS_WLAN_ALG_NONE;
 594         case WLAN_CIPHER_SUITE_WEP40:
 595         case WLAN_CIPHER_SUITE_WEP104:
 596                 return RNDIS_WLAN_ALG_WEP;
 597         case WLAN_CIPHER_SUITE_TKIP:
 598                 return RNDIS_WLAN_ALG_TKIP;
 599         case WLAN_CIPHER_SUITE_CCMP:
 600                 return RNDIS_WLAN_ALG_CCMP;
 601         }
 602 }
 603
 604 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
 605 {
 606         switch (akm_suite) {
 607         default:
 608                 return RNDIS_WLAN_KEY_MGMT_NONE;
 609         case WLAN_AKM_SUITE_8021X:
 610                 return RNDIS_WLAN_KEY_MGMT_802_1X;
 611         case WLAN_AKM_SUITE_PSK:
 612                 return RNDIS_WLAN_KEY_MGMT_PSK;
 613         }
 614 }
 615
 616
 617 #ifdef DEBUG
 618 static const char *oid_to_string(__le32 oid)
 619 {
 620         switch (oid) {
 621 #define OID_STR(oid) case oid: return(#oid)
 622                 /* from rndis_host.h */
 623                 OID_STR(OID_802_3_PERMANENT_ADDRESS);
 624                 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
 625                 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
 626                 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
 627
 628                 /* from rndis_wlan.c */
 629                 OID_STR(OID_GEN_LINK_SPEED);
 630                 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
 631
 632                 OID_STR(OID_GEN_XMIT_OK);
 633                 OID_STR(OID_GEN_RCV_OK);
 634                 OID_STR(OID_GEN_XMIT_ERROR);
 635                 OID_STR(OID_GEN_RCV_ERROR);
 636                 OID_STR(OID_GEN_RCV_NO_BUFFER);
 637
 638                 OID_STR(OID_802_3_CURRENT_ADDRESS);
 639                 OID_STR(OID_802_3_MULTICAST_LIST);
 640                 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
 641
 642                 OID_STR(OID_802_11_BSSID);
 643                 OID_STR(OID_802_11_SSID);
 644                 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
 645                 OID_STR(OID_802_11_ADD_WEP);
 646                 OID_STR(OID_802_11_REMOVE_WEP);
 647                 OID_STR(OID_802_11_DISASSOCIATE);
 648                 OID_STR(OID_802_11_AUTHENTICATION_MODE);
 649                 OID_STR(OID_802_11_PRIVACY_FILTER);
 650                 OID_STR(OID_802_11_BSSID_LIST_SCAN);
 651                 OID_STR(OID_802_11_ENCRYPTION_STATUS);
 652                 OID_STR(OID_802_11_ADD_KEY);
 653                 OID_STR(OID_802_11_REMOVE_KEY);
 654                 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
 655                 OID_STR(OID_802_11_PMKID);
 656                 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
 657                 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
 658                 OID_STR(OID_802_11_TX_POWER_LEVEL);
 659                 OID_STR(OID_802_11_RSSI);
 660                 OID_STR(OID_802_11_RSSI_TRIGGER);
 661                 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
 662                 OID_STR(OID_802_11_RTS_THRESHOLD);
 663                 OID_STR(OID_802_11_SUPPORTED_RATES);
 664                 OID_STR(OID_802_11_CONFIGURATION);
 665                 OID_STR(OID_802_11_BSSID_LIST);
 666 #undef OID_STR
 667         }
 668
 669         return "?";
 670 }
 671 #else
 672 static const char *oid_to_string(__le32 oid)
 673 {
 674         return "?";
 675 }
 676 #endif
 677
 678
 679 /* translate error code */
 680 static int rndis_error_status(__le32 rndis_status)
 681 {
 682         int ret = -EINVAL;
 683         switch (rndis_status) {
 684         case RNDIS_STATUS_SUCCESS:
 685                 ret = 0;
 686                 break;
 687         case RNDIS_STATUS_FAILURE:
 688         case RNDIS_STATUS_INVALID_DATA:
 689                 ret = -EINVAL;
 690                 break;
 691         case RNDIS_STATUS_NOT_SUPPORTED:
 692                 ret = -EOPNOTSUPP;
 693                 break;
 694         case RNDIS_STATUS_ADAPTER_NOT_READY:
 695         case RNDIS_STATUS_ADAPTER_NOT_OPEN:
 696                 ret = -EBUSY;
 697                 break;
 698         }
 699         return ret;
 700 }
 701
 702
 703 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
 704 {
 705         struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
 706         union {
 707                 void                    *buf;
 708                 struct rndis_msg_hdr    *header;
 709                 struct rndis_query      *get;
 710                 struct rndis_query_c    *get_c;
 711         } u;
 712         int ret, buflen;
 713
 714         buflen = *len + sizeof(*u.get);
 715         if (buflen < CONTROL_BUFFER_SIZE)
 716                 buflen = CONTROL_BUFFER_SIZE;
 717
 718         if (buflen > COMMAND_BUFFER_SIZE) {
 719                 u.buf = kmalloc(buflen, GFP_KERNEL);
 720                 if (!u.buf)
 721                         return -ENOMEM;
 722         } else {
 723                 u.buf = priv->command_buffer;
 724         }
 725
 726         mutex_lock(&priv->command_lock);
 727
 728         memset(u.get, 0, sizeof *u.get);
 729         u.get->msg_type = RNDIS_MSG_QUERY;
 730         u.get->msg_len = cpu_to_le32(sizeof *u.get);
 731         u.get->oid = oid;
 732
 733         priv->current_command_oid = oid;
 734         ret = rndis_command(dev, u.header, buflen);
 735         priv->current_command_oid = 0;
 736         if (ret < 0)
 737                 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
 738                         "(%08x)", oid_to_string(oid), ret,
 739                         le32_to_cpu(u.get_c->status));
 740
 741         if (ret == 0) {
 742                 ret = le32_to_cpu(u.get_c->len);
 743                 if (ret > *len)
 744                         *len = ret;
 745                 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
 746                 ret = rndis_error_status(u.get_c->status);
 747
 748                 if (ret < 0)
 749                         devdbg(dev, "rndis_query_oid(%s): device returned "
 750                                 "error,  0x%08x (%d)", oid_to_string(oid),
 751                                 le32_to_cpu(u.get_c->status), ret);
 752         }
 753
 754         mutex_unlock(&priv->command_lock);
 755
 756         if (u.buf != priv->command_buffer)
 757                 kfree(u.buf);
 758         return ret;
 759 }
 760
 761
 762 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
 763 {
 764         struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
 765         union {
 766                 void                    *buf;
 767                 struct rndis_msg_hdr    *header;
 768                 struct rndis_set        *set;
 769                 struct rndis_set_c      *set_c;
 770         } u;
 771         int ret, buflen;
 772
 773         buflen = len + sizeof(*u.set);
 774         if (buflen < CONTROL_BUFFER_SIZE)
 775                 buflen = CONTROL_BUFFER_SIZE;
 776
 777         if (buflen > COMMAND_BUFFER_SIZE) {
 778                 u.buf = kmalloc(buflen, GFP_KERNEL);
 779                 if (!u.buf)
 780                         return -ENOMEM;
 781         } else {
 782                 u.buf = priv->command_buffer;
 783         }
 784
 785         mutex_lock(&priv->command_lock);
 786
 787         memset(u.set, 0, sizeof *u.set);
 788         u.set->msg_type = RNDIS_MSG_SET;
 789         u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
 790         u.set->oid = oid;
 791         u.set->len = cpu_to_le32(len);
 792         u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
 793         u.set->handle = cpu_to_le32(0);
 794         memcpy(u.buf + sizeof(*u.set), data, len);
 795
 796         priv->current_command_oid = oid;
 797         ret = rndis_command(dev, u.header, buflen);
 798         priv->current_command_oid = 0;
 799         if (ret < 0)
 800                 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
 801                         "(%08x)", oid_to_string(oid), ret,
 802                         le32_to_cpu(u.set_c->status));
 803
 804         if (ret == 0) {
 805                 ret = rndis_error_status(u.set_c->status);
 806
 807                 if (ret < 0)
 808                         devdbg(dev, "rndis_set_oid(%s): device returned error, "
 809                                 "0x%08x (%d)", oid_to_string(oid),
 810                                 le32_to_cpu(u.set_c->status), ret);
 811         }
 812
 813         mutex_unlock(&priv->command_lock);
 814
 815         if (u.buf != priv->command_buffer)
 816                 kfree(u.buf);
 817         return ret;
 818 }
 819
 820
 821 static int rndis_reset(struct usbnet *usbdev)
 822 {
 823         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
 824         struct rndis_reset *reset;
 825         int ret;
 826
 827         mutex_lock(&priv->command_lock);
 828
 829         reset = (void *)priv->command_buffer;
 830         memset(reset, 0, sizeof(*reset));
 831         reset->msg_type = RNDIS_MSG_RESET;
 832         reset->msg_len = cpu_to_le32(sizeof(*reset));
 833         priv->current_command_oid = 0;
 834         ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
 835
 836         mutex_unlock(&priv->command_lock);
 837
 838         if (ret < 0)
 839                 return ret;
 840         return 0;
 841 }
 842
 843
 844 /*
 845  * Specs say that we can only set config parameters only soon after device
 846  * initialization.
 847  *   value_type: 0 = u32, 2 = unicode string
 848  */
 849 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
 850                                                 int value_type, void *value)
 851 {
 852         struct ndis_config_param *infobuf;
 853         int value_len, info_len, param_len, ret, i;
 854         __le16 *unibuf;
 855         __le32 *dst_value;
 856
 857         if (value_type == 0)
 858                 value_len = sizeof(__le32);
 859         else if (value_type == 2)
 860                 value_len = strlen(value) * sizeof(__le16);
 861         else
 862                 return -EINVAL;
 863
 864         param_len = strlen(param) * sizeof(__le16);
 865         info_len = sizeof(*infobuf) + param_len + value_len;
 866
 867 #ifdef DEBUG
 868         info_len += 12;
 869 #endif
 870         infobuf = kmalloc(info_len, GFP_KERNEL);
 871         if (!infobuf)
 872                 return -ENOMEM;
 873
 874 #ifdef DEBUG
 875         info_len -= 12;
 876         /* extra 12 bytes are for padding (debug output) */
 877         memset(infobuf, 0xCC, info_len + 12);
 878 #endif
 879
 880         if (value_type == 2)
 881                 devdbg(dev, "setting config parameter: %s, value: %s",
 882                                                 param, (u8 *)value);
 883         else
 884                 devdbg(dev, "setting config parameter: %s, value: %d",
 885                                                 param, *(u32 *)value);
 886
 887         infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
 888         infobuf->name_length = cpu_to_le32(param_len);
 889         infobuf->type = cpu_to_le32(value_type);
 890         infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
 891         infobuf->value_length = cpu_to_le32(value_len);
 892
 893         /* simple string to unicode string conversion */
 894         unibuf = (void *)infobuf + sizeof(*infobuf);
 895         for (i = 0; i < param_len / sizeof(__le16); i++)
 896                 unibuf[i] = cpu_to_le16(param[i]);
 897
 898         if (value_type == 2) {
 899                 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
 900                 for (i = 0; i < value_len / sizeof(__le16); i++)
 901                         unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
 902         } else {
 903                 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
 904                 *dst_value = cpu_to_le32(*(u32 *)value);
 905         }
 906
 907 #ifdef DEBUG
 908         devdbg(dev, "info buffer (len: %d):", info_len);
 909         for (i = 0; i < info_len; i += 12) {
 910                 u32 *tmp = (u32 *)((u8 *)infobuf + i);
 911                 devdbg(dev, "%08X:%08X:%08X",
 912                         cpu_to_be32(tmp[0]),
 913                         cpu_to_be32(tmp[1]),
 914                         cpu_to_be32(tmp[2]));
 915         }
 916 #endif
 917
 918         ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
 919                                                         infobuf, info_len);
 920         if (ret != 0)
 921                 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
 922
 923         kfree(infobuf);
 924         return ret;
 925 }
 926
 927 static int rndis_set_config_parameter_str(struct usbnet *dev,
 928                                                 char *param, char *value)
 929 {
 930         return(rndis_set_config_parameter(dev, param, 2, value));
 931 }
 932
 933 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
 934                                                 char *param, u32 value)
 935 {
 936         return(rndis_set_config_parameter(dev, param, 0, &value));
 937 }*/
 938
 939
 940 /*
 941  * data conversion functions
 942  */
 943 static int level_to_qual(int level)
 944 {
 945         int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
 946         return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
 947 }
 948
 949
 950 /*
 951  * common functions
 952  */
 953 static int set_infra_mode(struct usbnet *usbdev, int mode);
 954 static void restore_keys(struct usbnet *usbdev);
 955 static int rndis_check_bssid_list(struct usbnet *usbdev);
 956
 957 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
 958 {
 959         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
 960         int ret;
 961
 962         ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
 963         if (ret < 0) {
 964                 devwarn(usbdev, "setting SSID failed (%08X)", ret);
 965                 return ret;
 966         }
 967         if (ret == 0) {
 968                 memcpy(&priv->essid, ssid, sizeof(priv->essid));
 969                 priv->radio_on = 1;
 970                 devdbg(usbdev, "set_essid: radio_on = 1");
 971         }
 972
 973         return ret;
 974 }
 975
 976 static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
 977 {
 978         int ret;
 979
 980         ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
 981         if (ret < 0) {
 982                 devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret);
 983                 return ret;
 984         }
 985
 986         return ret;
 987 }
 988
 989 static int clear_bssid(struct usbnet *usbdev)
 990 {
 991         u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 992
 993         return set_bssid(usbdev, broadcast_mac);
 994 }
 995
 996 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
 997 {
 998         int ret, len;
 999
1000         len = ETH_ALEN;
1001         ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
1002
1003         if (ret != 0)
1004                 memset(bssid, 0, ETH_ALEN);
1005
1006         return ret;
1007 }
1008
1009 static int get_association_info(struct usbnet *usbdev,
1010                         struct ndis_80211_assoc_info *info, int len)
1011 {
1012         return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1013                                 info, &len);
1014 }
1015
1016 static bool is_associated(struct usbnet *usbdev)
1017 {
1018         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1019         u8 bssid[ETH_ALEN];
1020         int ret;
1021
1022         if (!priv->radio_on)
1023                 return false;
1024
1025         ret = get_bssid(usbdev, bssid);
1026
1027         return (ret == 0 && !is_zero_ether_addr(bssid));
1028 }
1029
1030
1031 static int disassociate(struct usbnet *usbdev, int reset_ssid)
1032 {
1033         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1034         struct ndis_80211_ssid ssid;
1035         int i, ret = 0;
1036
1037         if (priv->radio_on) {
1038                 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1039                 if (ret == 0) {
1040                         priv->radio_on = 0;
1041                         devdbg(usbdev, "disassociate: radio_on = 0");
1042
1043                         if (reset_ssid)
1044                                 msleep(100);
1045                 }
1046         }
1047
1048         /* disassociate causes radio to be turned off; if reset_ssid
1049          * is given, set random ssid to enable radio */
1050         if (reset_ssid) {
1051                 /* Set device to infrastructure mode so we don't get ad-hoc
1052                  * 'media connect' indications with the random ssid.
1053                  */
1054                 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1055
1056                 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1057                 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1058                 ssid.essid[0] = 0x1;
1059                 ssid.essid[1] = 0xff;
1060                 for (i = 2; i < sizeof(ssid.essid); i++)
1061                         ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1062                 ret = set_essid(usbdev, &ssid);
1063         }
1064         return ret;
1065 }
1066
1067
1068 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1069                                 enum nl80211_auth_type auth_type, int keymgmt)
1070 {
1071         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1072         __le32 tmp;
1073         int auth_mode, ret;
1074
1075         devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1076                 "keymgmt=0x%x", wpa_version, auth_type, keymgmt);
1077
1078         if (wpa_version & NL80211_WPA_VERSION_2) {
1079                 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1080                         auth_mode = NDIS_80211_AUTH_WPA2;
1081                 else
1082                         auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1083         } else if (wpa_version & NL80211_WPA_VERSION_1) {
1084                 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1085                         auth_mode = NDIS_80211_AUTH_WPA;
1086                 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1087                         auth_mode = NDIS_80211_AUTH_WPA_PSK;
1088                 else
1089                         auth_mode = NDIS_80211_AUTH_WPA_NONE;
1090         } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1091                 auth_mode = NDIS_80211_AUTH_SHARED;
1092         else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1093                 auth_mode = NDIS_80211_AUTH_OPEN;
1094         else
1095                 return -ENOTSUPP;
1096
1097         tmp = cpu_to_le32(auth_mode);
1098         ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1099                                                                 sizeof(tmp));
1100         if (ret != 0) {
1101                 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1102                 return ret;
1103         }
1104
1105         priv->wpa_version = wpa_version;
1106         priv->wpa_auth_type = auth_type;
1107         priv->wpa_keymgmt = keymgmt;
1108
1109         return 0;
1110 }
1111
1112
1113 static int set_priv_filter(struct usbnet *usbdev)
1114 {
1115         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1116         __le32 tmp;
1117
1118         devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1119
1120         if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1121             priv->wpa_version & NL80211_WPA_VERSION_1)
1122                 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1123         else
1124                 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1125
1126         return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1127                                                                 sizeof(tmp));
1128 }
1129
1130
1131 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1132 {
1133         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1134         __le32 tmp;
1135         int encr_mode, ret;
1136
1137         devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1138                 pairwise, groupwise);
1139
1140         if (pairwise & RNDIS_WLAN_ALG_CCMP)
1141                 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1142         else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1143                 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1144         else if (pairwise & RNDIS_WLAN_ALG_WEP)
1145                 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1146         else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1147                 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1148         else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1149                 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1150         else
1151                 encr_mode = NDIS_80211_ENCR_DISABLED;
1152
1153         tmp = cpu_to_le32(encr_mode);
1154         ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1155                                                                 sizeof(tmp));
1156         if (ret != 0) {
1157                 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1158                 return ret;
1159         }
1160
1161         priv->wpa_cipher_pair = pairwise;
1162         priv->wpa_cipher_group = groupwise;
1163         return 0;
1164 }
1165
1166
1167 static int set_infra_mode(struct usbnet *usbdev, int mode)
1168 {
1169         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1170         __le32 tmp;
1171         int ret;
1172
1173         devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1174
1175         tmp = cpu_to_le32(mode);
1176         ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1177                                                                 sizeof(tmp));
1178         if (ret != 0) {
1179                 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1180                 return ret;
1181         }
1182
1183         /* NDIS drivers clear keys when infrastructure mode is
1184          * changed. But Linux tools assume otherwise. So set the
1185          * keys */
1186         restore_keys(usbdev);
1187
1188         priv->infra_mode = mode;
1189         return 0;
1190 }
1191
1192
1193 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1194 {
1195         __le32 tmp;
1196
1197         devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1198
1199         if (rts_threshold < 0 || rts_threshold > 2347)
1200                 rts_threshold = 2347;
1201
1202         tmp = cpu_to_le32(rts_threshold);
1203         return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1204                                                                 sizeof(tmp));
1205 }
1206
1207
1208 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1209 {
1210         __le32 tmp;
1211
1212         devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1213
1214         if (frag_threshold < 256 || frag_threshold > 2346)
1215                 frag_threshold = 2346;
1216
1217         tmp = cpu_to_le32(frag_threshold);
1218         return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1219                                                                 sizeof(tmp));
1220 }
1221
1222
1223 static void set_default_iw_params(struct usbnet *usbdev)
1224 {
1225         set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1226         set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1227                                                 RNDIS_WLAN_KEY_MGMT_NONE);
1228         set_priv_filter(usbdev);
1229         set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1230 }
1231
1232
1233 static int deauthenticate(struct usbnet *usbdev)
1234 {
1235         int ret;
1236
1237         ret = disassociate(usbdev, 1);
1238         set_default_iw_params(usbdev);
1239         return ret;
1240 }
1241
1242
1243 static int set_channel(struct usbnet *usbdev, int channel)
1244 {
1245         struct ndis_80211_conf config;
1246         unsigned int dsconfig;
1247         int len, ret;
1248
1249         devdbg(usbdev, "set_channel(%d)", channel);
1250
1251         /* this OID is valid only when not associated */
1252         if (is_associated(usbdev))
1253                 return 0;
1254
1255         dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1256
1257         len = sizeof(config);
1258         ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1259         if (ret < 0) {
1260                 devdbg(usbdev, "set_channel: querying configuration failed");
1261                 return ret;
1262         }
1263
1264         config.ds_config = cpu_to_le32(dsconfig);
1265         ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1266                                                                 sizeof(config));
1267
1268         devdbg(usbdev, "set_channel: %d -> %d", channel, ret);
1269
1270         return ret;
1271 }
1272
1273
1274 /* index must be 0 - N, as per NDIS  */
1275 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1276                                                                 int index)
1277 {
1278         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1279         struct ndis_80211_wep_key ndis_key;
1280         u32 cipher;
1281         int ret;
1282
1283         devdbg(usbdev, "add_wep_key(idx: %d, len: %d)", index, key_len);
1284
1285         if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1286                 return -EINVAL;
1287
1288         if (key_len == 5)
1289                 cipher = WLAN_CIPHER_SUITE_WEP40;
1290         else
1291                 cipher = WLAN_CIPHER_SUITE_WEP104;
1292
1293         memset(&ndis_key, 0, sizeof(ndis_key));
1294
1295         ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1296         ndis_key.length = cpu_to_le32(key_len);
1297         ndis_key.index = cpu_to_le32(index);
1298         memcpy(&ndis_key.material, key, key_len);
1299
1300         if (index == priv->encr_tx_key_index) {
1301                 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1302                 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1303                                                         RNDIS_WLAN_ALG_NONE);
1304                 if (ret)
1305                         devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1306                                                                         ret);
1307         }
1308
1309         ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1310                                                         sizeof(ndis_key));
1311         if (ret != 0) {
1312                 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1313                                                         index+1, ret);
1314                 return ret;
1315         }
1316
1317         priv->encr_keys[index].len = key_len;
1318         priv->encr_keys[index].cipher = cipher;
1319         memcpy(&priv->encr_keys[index].material, key, key_len);
1320         memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1321
1322         return 0;
1323 }
1324
1325
1326 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1327                         int index, const u8 *addr, const u8 *rx_seq,
1328                         int seq_len, u32 cipher, int flags)
1329 {
1330         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1331         struct ndis_80211_key ndis_key;
1332         bool is_addr_ok;
1333         int ret;
1334
1335         if (index < 0 || index >= 4) {
1336                 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
1337                 return -EINVAL;
1338         }
1339         if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1340                 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1341                         key_len);
1342                 return -EINVAL;
1343         }
1344         if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1345                 if (!rx_seq || seq_len <= 0) {
1346                         devdbg(usbdev, "add_wpa_key: recv seq flag without"
1347                                         "buffer");
1348                         return -EINVAL;
1349                 }
1350                 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1351                         devdbg(usbdev, "add_wpa_key: too big recv seq buffer");
1352                         return -EINVAL;
1353                 }
1354         }
1355
1356         is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1357                                         !is_broadcast_ether_addr(addr);
1358         if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1359                 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1360                         addr);
1361                 return -EINVAL;
1362         }
1363
1364         devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1365                         !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1366                         !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1367                         !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1368
1369         memset(&ndis_key, 0, sizeof(ndis_key));
1370
1371         ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1372                                 sizeof(ndis_key.material) + key_len);
1373         ndis_key.length = cpu_to_le32(key_len);
1374         ndis_key.index = cpu_to_le32(index) | flags;
1375
1376         if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1377                 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1378                  * different order than NDIS spec, so swap the order here. */
1379                 memcpy(ndis_key.material, key, 16);
1380                 memcpy(ndis_key.material + 16, key + 24, 8);
1381                 memcpy(ndis_key.material + 24, key + 16, 8);
1382         } else
1383                 memcpy(ndis_key.material, key, key_len);
1384
1385         if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1386                 memcpy(ndis_key.rsc, rx_seq, seq_len);
1387
1388         if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1389                 /* pairwise key */
1390                 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1391         } else {
1392                 /* group key */
1393                 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1394                         memset(ndis_key.bssid, 0xff, ETH_ALEN);
1395                 else
1396                         get_bssid(usbdev, ndis_key.bssid);
1397         }
1398
1399         ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1400                                         le32_to_cpu(ndis_key.size));
1401         devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1402         if (ret != 0)
1403                 return ret;
1404
1405         memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1406         priv->encr_keys[index].len = key_len;
1407         priv->encr_keys[index].cipher = cipher;
1408         memcpy(&priv->encr_keys[index].material, key, key_len);
1409         if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1410                 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1411         else
1412                 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1413
1414         if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1415                 priv->encr_tx_key_index = index;
1416
1417         return 0;
1418 }
1419
1420
1421 static int restore_key(struct usbnet *usbdev, int key_idx)
1422 {
1423         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1424         struct rndis_wlan_encr_key key;
1425
1426         if (is_wpa_key(priv, key_idx))
1427                 return 0;
1428
1429         key = priv->encr_keys[key_idx];
1430
1431         devdbg(usbdev, "restore_key: %i:%i", key_idx, key.len);
1432
1433         if (key.len == 0)
1434                 return 0;
1435
1436         return add_wep_key(usbdev, key.material, key.len, key_idx);
1437 }
1438
1439
1440 static void restore_keys(struct usbnet *usbdev)
1441 {
1442         int i;
1443
1444         for (i = 0; i < 4; i++)
1445                 restore_key(usbdev, i);
1446 }
1447
1448
1449 static void clear_key(struct rndis_wlan_private *priv, int idx)
1450 {
1451         memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1452 }
1453
1454
1455 /* remove_key is for both wep and wpa */
1456 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1457 {
1458         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1459         struct ndis_80211_remove_key remove_key;
1460         __le32 keyindex;
1461         bool is_wpa;
1462         int ret;
1463
1464         if (priv->encr_keys[index].len == 0)
1465                 return 0;
1466
1467         is_wpa = is_wpa_key(priv, index);
1468
1469         devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1470                 priv->encr_keys[index].len);
1471
1472         clear_key(priv, index);
1473
1474         if (is_wpa) {
1475                 remove_key.size = cpu_to_le32(sizeof(remove_key));
1476                 remove_key.index = cpu_to_le32(index);
1477                 if (bssid) {
1478                         /* pairwise key */
1479                         if (!is_broadcast_ether_addr(bssid))
1480                                 remove_key.index |=
1481                                         NDIS_80211_ADDKEY_PAIRWISE_KEY;
1482                         memcpy(remove_key.bssid, bssid,
1483                                         sizeof(remove_key.bssid));
1484                 } else
1485                         memset(remove_key.bssid, 0xff,
1486                                                 sizeof(remove_key.bssid));
1487
1488                 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1489                                                         sizeof(remove_key));
1490                 if (ret != 0)
1491                         return ret;
1492         } else {
1493                 keyindex = cpu_to_le32(index);
1494                 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1495                                                         sizeof(keyindex));
1496                 if (ret != 0) {
1497                         devwarn(usbdev,
1498                                 "removing encryption key %d failed (%08X)",
1499                                 index, ret);
1500                         return ret;
1501                 }
1502         }
1503
1504         /* if it is transmit key, disable encryption */
1505         if (index == priv->encr_tx_key_index)
1506                 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1507
1508         return 0;
1509 }
1510
1511
1512 static void set_multicast_list(struct usbnet *usbdev)
1513 {
1514         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1515         struct dev_mc_list *mclist;
1516         __le32 filter;
1517         int ret, i, size;
1518         char *buf;
1519
1520         filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1521
1522         if (usbdev->net->flags & IFF_PROMISC) {
1523                 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1524                         RNDIS_PACKET_TYPE_ALL_LOCAL;
1525         } else if (usbdev->net->flags & IFF_ALLMULTI ||
1526                    usbdev->net->mc_count > priv->multicast_size) {
1527                 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1528         } else if (usbdev->net->mc_count > 0) {
1529                 size = min(priv->multicast_size, usbdev->net->mc_count);
1530                 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1531                 if (!buf) {
1532                         devwarn(usbdev,
1533                                 "couldn't alloc %d bytes of memory",
1534                                 size * ETH_ALEN);
1535                         return;
1536                 }
1537
1538                 mclist = usbdev->net->mc_list;
1539                 for (i = 0; i < size && mclist; mclist = mclist->next) {
1540                         if (mclist->dmi_addrlen != ETH_ALEN)
1541                                 continue;
1542
1543                         memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1544                         i++;
1545                 }
1546
1547                 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1548                                                                 i * ETH_ALEN);
1549                 if (ret == 0 && i > 0)
1550                         filter |= RNDIS_PACKET_TYPE_MULTICAST;
1551                 else
1552                         filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1553
1554                 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1555                                                 i, priv->multicast_size, ret);
1556
1557                 kfree(buf);
1558         }
1559
1560         ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1561                                                         sizeof(filter));
1562         if (ret < 0) {
1563                 devwarn(usbdev, "couldn't set packet filter: %08x",
1564                                                         le32_to_cpu(filter));
1565         }
1566
1567         devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1568                                                 le32_to_cpu(filter), ret);
1569 }
1570
1571
1572 /*
1573  * cfg80211 ops
1574  */
1575 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1576                                         struct net_device *dev,
1577                                         enum nl80211_iftype type, u32 *flags,
1578                                         struct vif_params *params)
1579 {
1580         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1581         struct usbnet *usbdev = priv->usbdev;
1582         int mode;
1583
1584         switch (type) {
1585         case NL80211_IFTYPE_ADHOC:
1586                 mode = NDIS_80211_INFRA_ADHOC;
1587                 break;
1588         case NL80211_IFTYPE_STATION:
1589                 mode = NDIS_80211_INFRA_INFRA;
1590                 break;
1591         default:
1592                 return -EINVAL;
1593         }
1594
1595         priv->wdev.iftype = type;
1596
1597         return set_infra_mode(usbdev, mode);
1598 }
1599
1600
1601 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1602 {
1603         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1604         struct usbnet *usbdev = priv->usbdev;
1605         int err;
1606
1607         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1608                 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1609                 if (err < 0)
1610                         return err;
1611         }
1612
1613         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1614                 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1615                 if (err < 0)
1616                         return err;
1617         }
1618
1619         return 0;
1620 }
1621
1622
1623 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1624                                 int dbm)
1625 {
1626         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1627         struct usbnet *usbdev = priv->usbdev;
1628
1629         devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1630
1631         /* Device doesn't support changing txpower after initialization, only
1632          * turn off/on radio. Support 'auto' mode and setting same dBm that is
1633          * currently used.
1634          */
1635         if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1636                 if (!priv->radio_on)
1637                         disassociate(usbdev, 1); /* turn on radio */
1638
1639                 return 0;
1640         }
1641
1642         return -ENOTSUPP;
1643 }
1644
1645
1646 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1647 {
1648         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1649         struct usbnet *usbdev = priv->usbdev;
1650
1651         *dbm = get_bcm4320_power_dbm(priv);
1652
1653         devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1654
1655         return 0;
1656 }
1657
1658
1659 #define SCAN_DELAY_JIFFIES (6 * HZ)
1660 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1661                         struct cfg80211_scan_request *request)
1662 {
1663         struct usbnet *usbdev = netdev_priv(dev);
1664         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1665         int ret;
1666         __le32 tmp;
1667
1668         devdbg(usbdev, "cfg80211.scan");
1669
1670         /* Get current bssid list from device before new scan, as new scan
1671          * clears internal bssid list.
1672          */
1673         rndis_check_bssid_list(usbdev);
1674
1675         if (!request)
1676                 return -EINVAL;
1677
1678         if (priv->scan_request && priv->scan_request != request)
1679                 return -EBUSY;
1680
1681         priv->scan_request = request;
1682
1683         tmp = cpu_to_le32(1);
1684         ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1685                                                         sizeof(tmp));
1686         if (ret == 0) {
1687                 /* Wait before retrieving scan results from device */
1688                 queue_delayed_work(priv->workqueue, &priv->scan_work,
1689                         SCAN_DELAY_JIFFIES);
1690         }
1691
1692         return ret;
1693 }
1694
1695
1696 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1697                                         struct ndis_80211_bssid_ex *bssid)
1698 {
1699         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1700         struct ieee80211_channel *channel;
1701         s32 signal;
1702         u64 timestamp;
1703         u16 capability;
1704         u16 beacon_interval;
1705         struct ndis_80211_fixed_ies *fixed;
1706         int ie_len, bssid_len;
1707         u8 *ie;
1708
1709         devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid,
1710                                                         bssid->mac);
1711
1712         /* parse bssid structure */
1713         bssid_len = le32_to_cpu(bssid->length);
1714
1715         if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1716                         sizeof(struct ndis_80211_fixed_ies))
1717                 return NULL;
1718
1719         fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1720
1721         ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1722         ie_len = min(bssid_len - (int)sizeof(*bssid),
1723                                         (int)le32_to_cpu(bssid->ie_length));
1724         ie_len -= sizeof(struct ndis_80211_fixed_ies);
1725         if (ie_len < 0)
1726                 return NULL;
1727
1728         /* extract data for cfg80211_inform_bss */
1729         channel = ieee80211_get_channel(priv->wdev.wiphy,
1730                         KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1731         if (!channel)
1732                 return NULL;
1733
1734         signal = level_to_qual(le32_to_cpu(bssid->rssi));
1735         timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1736         capability = le16_to_cpu(fixed->capabilities);
1737         beacon_interval = le16_to_cpu(fixed->beacon_interval);
1738
1739         return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1740                 timestamp, capability, beacon_interval, ie, ie_len, signal,
1741                 GFP_KERNEL);
1742 }
1743
1744
1745 static int rndis_check_bssid_list(struct usbnet *usbdev)
1746 {
1747         void *buf = NULL;
1748         struct ndis_80211_bssid_list_ex *bssid_list;
1749         struct ndis_80211_bssid_ex *bssid;
1750         int ret = -EINVAL, len, count, bssid_len;
1751         bool resized = false;
1752
1753         devdbg(usbdev, "check_bssid_list");
1754
1755         len = CONTROL_BUFFER_SIZE;
1756 resize_buf:
1757         buf = kmalloc(len, GFP_KERNEL);
1758         if (!buf) {
1759                 ret = -ENOMEM;
1760                 goto out;
1761         }
1762
1763         ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1764         if (ret != 0)
1765                 goto out;
1766
1767         if (!resized && len > CONTROL_BUFFER_SIZE) {
1768                 resized = true;
1769                 kfree(buf);
1770                 goto resize_buf;
1771         }
1772
1773         bssid_list = buf;
1774         bssid = bssid_list->bssid;
1775         bssid_len = le32_to_cpu(bssid->length);
1776         count = le32_to_cpu(bssid_list->num_items);
1777         devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count,
1778                                                                         len);
1779
1780         while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1781                 rndis_bss_info_update(usbdev, bssid);
1782
1783                 bssid = (void *)bssid + bssid_len;
1784                 bssid_len = le32_to_cpu(bssid->length);
1785                 count--;
1786         }
1787
1788 out:
1789         kfree(buf);
1790         return ret;
1791 }
1792
1793
1794 static void rndis_get_scan_results(struct work_struct *work)
1795 {
1796         struct rndis_wlan_private *priv =
1797                 container_of(work, struct rndis_wlan_private, scan_work.work);
1798         struct usbnet *usbdev = priv->usbdev;
1799         int ret;
1800
1801         devdbg(usbdev, "get_scan_results");
1802
1803         if (!priv->scan_request)
1804                 return;
1805
1806         ret = rndis_check_bssid_list(usbdev);
1807
1808         cfg80211_scan_done(priv->scan_request, ret < 0);
1809
1810         priv->scan_request = NULL;
1811 }
1812
1813 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1814                                         struct cfg80211_connect_params *sme)
1815 {
1816         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1817         struct usbnet *usbdev = priv->usbdev;
1818         struct ieee80211_channel *channel = sme->channel;
1819         struct ndis_80211_ssid ssid;
1820         int pairwise = RNDIS_WLAN_ALG_NONE;
1821         int groupwise = RNDIS_WLAN_ALG_NONE;
1822         int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1823         int length, i, ret, chan = -1;
1824
1825         if (channel)
1826                 chan = ieee80211_frequency_to_channel(channel->center_freq);
1827
1828         groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1829         for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1830                 pairwise |=
1831                         rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1832
1833         if (sme->crypto.n_ciphers_pairwise > 0 &&
1834                         pairwise == RNDIS_WLAN_ALG_NONE) {
1835                 deverr(usbdev, "Unsupported pairwise cipher");
1836                 return -ENOTSUPP;
1837         }
1838
1839         for (i = 0; i < sme->crypto.n_akm_suites; i++)
1840                 keymgmt |=
1841                         rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1842
1843         if (sme->crypto.n_akm_suites > 0 &&
1844                         keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
1845                 deverr(usbdev, "Invalid keymgmt");
1846                 return -ENOTSUPP;
1847         }
1848
1849         devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
1850                         "0x%x]:0x%x)", sme->ssid, sme->bssid, chan,
1851                         sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1852                         groupwise, pairwise, keymgmt);
1853
1854         if (is_associated(usbdev))
1855                 disassociate(usbdev, false);
1856
1857         ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1858         if (ret < 0) {
1859                 devdbg(usbdev, "connect: set_infra_mode failed, %d", ret);
1860                 goto err_turn_radio_on;
1861         }
1862
1863         ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1864                                                                 keymgmt);
1865         if (ret < 0) {
1866                 devdbg(usbdev, "connect: set_auth_mode failed, %d", ret);
1867                 goto err_turn_radio_on;
1868         }
1869
1870         set_priv_filter(usbdev);
1871
1872         ret = set_encr_mode(usbdev, pairwise, groupwise);
1873         if (ret < 0) {
1874                 devdbg(usbdev, "connect: set_encr_mode failed, %d", ret);
1875                 goto err_turn_radio_on;
1876         }
1877
1878         if (channel) {
1879                 ret = set_channel(usbdev, chan);
1880                 if (ret < 0) {
1881                         devdbg(usbdev, "connect: set_channel failed, %d", ret);
1882                         goto err_turn_radio_on;
1883                 }
1884         }
1885
1886         if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1887                 priv->encr_tx_key_index = sme->key_idx;
1888                 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1889                 if (ret < 0) {
1890                         devdbg(usbdev, "connect: add_wep_key failed, %d "
1891                                 "(%d, %d)", ret, sme->key_len, sme->key_idx);
1892                         goto err_turn_radio_on;
1893                 }
1894         }
1895
1896         if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1897                                 !is_broadcast_ether_addr(sme->bssid)) {
1898                 ret = set_bssid(usbdev, sme->bssid);
1899                 if (ret < 0) {
1900                         devdbg(usbdev, "connect: set_bssid failed, %d", ret);
1901                         goto err_turn_radio_on;
1902                 }
1903         } else
1904                 clear_bssid(usbdev);
1905
1906         length = sme->ssid_len;
1907         if (length > NDIS_802_11_LENGTH_SSID)
1908                 length = NDIS_802_11_LENGTH_SSID;
1909
1910         memset(&ssid, 0, sizeof(ssid));
1911         ssid.length = cpu_to_le32(length);
1912         memcpy(ssid.essid, sme->ssid, length);
1913
1914         /* Pause and purge rx queue, so we don't pass packets before
1915          * 'media connect'-indication.
1916          */
1917         usbnet_pause_rx(usbdev);
1918         usbnet_purge_paused_rxq(usbdev);
1919
1920         ret = set_essid(usbdev, &ssid);
1921         if (ret < 0)
1922                 devdbg(usbdev, "connect: set_essid failed, %d", ret);
1923         return ret;
1924
1925 err_turn_radio_on:
1926         disassociate(usbdev, 1);
1927
1928         return ret;
1929 }
1930
1931 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1932                                                                 u16 reason_code)
1933 {
1934         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1935         struct usbnet *usbdev = priv->usbdev;
1936
1937         devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
1938
1939         priv->connected = false;
1940         memset(priv->bssid, 0, ETH_ALEN);
1941
1942         return deauthenticate(usbdev);
1943 }
1944
1945 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1946                                         struct cfg80211_ibss_params *params)
1947 {
1948         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1949         struct usbnet *usbdev = priv->usbdev;
1950         struct ieee80211_channel *channel = params->channel;
1951         struct ndis_80211_ssid ssid;
1952         enum nl80211_auth_type auth_type;
1953         int ret, alg, length, chan = -1;
1954
1955         if (channel)
1956                 chan = ieee80211_frequency_to_channel(channel->center_freq);
1957
1958         /* TODO: How to handle ad-hoc encryption?
1959          * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1960          * pre-shared for encryption (open/shared/wpa), is key set before
1961          * join_ibss? Which auth_type to use (not in params)? What about WPA?
1962          */
1963         if (params->privacy) {
1964                 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1965                 alg = RNDIS_WLAN_ALG_WEP;
1966         } else {
1967                 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1968                 alg = RNDIS_WLAN_ALG_NONE;
1969         }
1970
1971         devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid,
1972                                         params->bssid, chan, params->privacy);
1973
1974         if (is_associated(usbdev))
1975                 disassociate(usbdev, false);
1976
1977         ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1978         if (ret < 0) {
1979                 devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret);
1980                 goto err_turn_radio_on;
1981         }
1982
1983         ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1984         if (ret < 0) {
1985                 devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret);
1986                 goto err_turn_radio_on;
1987         }
1988
1989         set_priv_filter(usbdev);
1990
1991         ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1992         if (ret < 0) {
1993                 devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret);
1994                 goto err_turn_radio_on;
1995         }
1996
1997         if (channel) {
1998                 ret = set_channel(usbdev, chan);
1999                 if (ret < 0) {
2000                         devdbg(usbdev, "join_ibss: set_channel failed, %d",
2001                                 ret);
2002                         goto err_turn_radio_on;
2003                 }
2004         }
2005
2006         if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2007                                 !is_broadcast_ether_addr(params->bssid)) {
2008                 ret = set_bssid(usbdev, params->bssid);
2009                 if (ret < 0) {
2010                         devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret);
2011                         goto err_turn_radio_on;
2012                 }
2013         } else
2014                 clear_bssid(usbdev);
2015
2016         length = params->ssid_len;
2017         if (length > NDIS_802_11_LENGTH_SSID)
2018                 length = NDIS_802_11_LENGTH_SSID;
2019
2020         memset(&ssid, 0, sizeof(ssid));
2021         ssid.length = cpu_to_le32(length);
2022         memcpy(ssid.essid, params->ssid, length);
2023
2024         /* Don't need to pause rx queue for ad-hoc. */
2025         usbnet_purge_paused_rxq(usbdev);
2026         usbnet_resume_rx(usbdev);
2027
2028         ret = set_essid(usbdev, &ssid);
2029         if (ret < 0)
2030                 devdbg(usbdev, "join_ibss: set_essid failed, %d", ret);
2031         return ret;
2032
2033 err_turn_radio_on:
2034         disassociate(usbdev, 1);
2035
2036         return ret;
2037 }
2038
2039 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2040 {
2041         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2042         struct usbnet *usbdev = priv->usbdev;
2043
2044         devdbg(usbdev, "cfg80211.leave_ibss()");
2045
2046         priv->connected = false;
2047         memset(priv->bssid, 0, ETH_ALEN);
2048
2049         return deauthenticate(usbdev);
2050 }
2051
2052 static int rndis_set_channel(struct wiphy *wiphy,
2053         struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2054 {
2055         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2056         struct usbnet *usbdev = priv->usbdev;
2057
2058         return set_channel(usbdev,
2059                         ieee80211_frequency_to_channel(chan->center_freq));
2060 }
2061
2062 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2063                                         u8 key_index, const u8 *mac_addr,
2064                                         struct key_params *params)
2065 {
2066         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2067         struct usbnet *usbdev = priv->usbdev;
2068         int flags;
2069
2070         devdbg(usbdev, "rndis_add_key(%i, %pM, %08x)", key_index, mac_addr,
2071                                                         params->cipher);
2072
2073         switch (params->cipher) {
2074         case WLAN_CIPHER_SUITE_WEP40:
2075         case WLAN_CIPHER_SUITE_WEP104:
2076                 return add_wep_key(usbdev, params->key, params->key_len,
2077                                                                 key_index);
2078         case WLAN_CIPHER_SUITE_TKIP:
2079         case WLAN_CIPHER_SUITE_CCMP:
2080                 flags = 0;
2081
2082                 if (params->seq && params->seq_len > 0)
2083                         flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2084                 if (mac_addr)
2085                         flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2086                                         NDIS_80211_ADDKEY_TRANSMIT_KEY;
2087
2088                 return add_wpa_key(usbdev, params->key, params->key_len,
2089                                 key_index, mac_addr, params->seq,
2090                                 params->seq_len, params->cipher, flags);
2091         default:
2092                 devdbg(usbdev, "rndis_add_key: unsupported cipher %08x",
2093                                                         params->cipher);
2094                 return -ENOTSUPP;
2095         }
2096 }
2097
2098 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2099                                         u8 key_index, const u8 *mac_addr)
2100 {
2101         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2102         struct usbnet *usbdev = priv->usbdev;
2103
2104         devdbg(usbdev, "rndis_del_key(%i, %pM)", key_index, mac_addr);
2105
2106         return remove_key(usbdev, key_index, mac_addr);
2107 }
2108
2109 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2110                                                                 u8 key_index)
2111 {
2112         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2113         struct usbnet *usbdev = priv->usbdev;
2114         struct rndis_wlan_encr_key key;
2115
2116         devdbg(usbdev, "rndis_set_default_key(%i)", key_index);
2117
2118         priv->encr_tx_key_index = key_index;
2119
2120         key = priv->encr_keys[key_index];
2121
2122         return add_wep_key(usbdev, key.material, key.len, key_index);
2123 }
2124
2125 static void rndis_fill_station_info(struct usbnet *usbdev,
2126                                                 struct station_info *sinfo)
2127 {
2128         __le32 linkspeed, rssi;
2129         int ret, len;
2130
2131         memset(sinfo, 0, sizeof(*sinfo));
2132
2133         len = sizeof(linkspeed);
2134         ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2135         if (ret == 0) {
2136                 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2137                 sinfo->filled |= STATION_INFO_TX_BITRATE;
2138         }
2139
2140         len = sizeof(rssi);
2141         ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2142         if (ret == 0) {
2143                 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2144                 sinfo->filled |= STATION_INFO_SIGNAL;
2145         }
2146 }
2147
2148 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2149                                         u8 *mac, struct station_info *sinfo)
2150 {
2151         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2152         struct usbnet *usbdev = priv->usbdev;
2153
2154         if (compare_ether_addr(priv->bssid, mac))
2155                 return -ENOENT;
2156
2157         rndis_fill_station_info(usbdev, sinfo);
2158
2159         return 0;
2160 }
2161
2162 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2163                                int idx, u8 *mac, struct station_info *sinfo)
2164 {
2165         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2166         struct usbnet *usbdev = priv->usbdev;
2167
2168         if (idx != 0)
2169                 return -ENOENT;
2170
2171         memcpy(mac, priv->bssid, ETH_ALEN);
2172
2173         rndis_fill_station_info(usbdev, sinfo);
2174
2175         return 0;
2176 }
2177
2178 /*
2179  * wireless extension handlers
2180  */
2181
2182 static int rndis_iw_commit(struct net_device *dev,
2183     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2184 {
2185         /* dummy op */
2186         return 0;
2187 }
2188
2189 #if 0
2190 /* Commented code out instead of removing to have more sane patch for review.
2191  * Will be removed later in the set.
2192  */
2193 static int rndis_iw_set_essid(struct net_device *dev,
2194     struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2195 {
2196         struct ndis_80211_ssid ssid;
2197         int length = wrqu->essid.length;
2198         struct usbnet *usbdev = netdev_priv(dev);
2199
2200         devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
2201                 wrqu->essid.flags, wrqu->essid.length, essid);
2202
2203         if (length > NDIS_802_11_LENGTH_SSID)
2204                 length = NDIS_802_11_LENGTH_SSID;
2205
2206         ssid.length = cpu_to_le32(length);
2207         if (length > 0)
2208                 memcpy(ssid.essid, essid, length);
2209         else
2210                 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
2211
2212         set_assoc_params(usbdev);
2213
2214         if (!wrqu->essid.flags || length == 0)
2215                 return disassociate(usbdev, 1);
2216         else {
2217                 /* Pause and purge rx queue, so we don't pass packets before
2218                  * 'media connect'-indication.
2219                  */
2220                 usbnet_pause_rx(usbdev);
2221                 usbnet_purge_paused_rxq(usbdev);
2222
2223                 return set_essid(usbdev, &ssid);
2224         }
2225 }
2226
2227
2228 static int rndis_iw_get_essid(struct net_device *dev,
2229     struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
2230 {
2231         struct ndis_80211_ssid ssid;
2232         struct usbnet *usbdev = netdev_priv(dev);
2233         int ret;
2234
2235         ret = get_essid(usbdev, &ssid);
2236
2237         if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
2238                 wrqu->essid.flags = 1;
2239                 wrqu->essid.length = le32_to_cpu(ssid.length);
2240                 memcpy(essid, ssid.essid, wrqu->essid.length);
2241                 essid[wrqu->essid.length] = 0;
2242         } else {
2243                 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
2244                 wrqu->essid.flags = 0;
2245                 wrqu->essid.length = 0;
2246         }
2247         devdbg(usbdev, "SIOCGIWESSID: %s", essid);
2248         return ret;
2249 }
2250
2251
2252 static int rndis_iw_get_bssid(struct net_device *dev,
2253     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2254 {
2255         struct usbnet *usbdev = netdev_priv(dev);
2256         unsigned char bssid[ETH_ALEN];
2257         int ret;
2258
2259         ret = get_bssid(usbdev, bssid);
2260
2261         if (ret == 0)
2262                 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
2263         else
2264                 devdbg(usbdev, "SIOCGIWAP: <not associated>");
2265
2266         wrqu->ap_addr.sa_family = ARPHRD_ETHER;
2267         memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
2268
2269         return ret;
2270 }
2271
2272
2273 static int rndis_iw_set_bssid(struct net_device *dev,
2274     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2275 {
2276         struct usbnet *usbdev = netdev_priv(dev);
2277         u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
2278         int ret;
2279
2280         devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
2281
2282         ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
2283
2284         /* user apps may set ap's mac address, which is not required;
2285          * they may fail to work if this function fails, so return
2286          * success */
2287         if (ret)
2288                 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
2289
2290         return 0;
2291 }
2292
2293
2294 static int rndis_iw_set_auth(struct net_device *dev,
2295     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2296 {
2297         struct iw_param *p = &wrqu->param;
2298         struct usbnet *usbdev = netdev_priv(dev);
2299         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2300         int ret = -ENOTSUPP;
2301
2302         switch (p->flags & IW_AUTH_INDEX) {
2303         case IW_AUTH_WPA_VERSION:
2304                 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
2305                 priv->wpa_version = p->value;
2306                 ret = 0;
2307                 break;
2308
2309         case IW_AUTH_CIPHER_PAIRWISE:
2310                 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
2311                 priv->wpa_cipher_pair = p->value;
2312                 ret = 0;
2313                 break;
2314
2315         case IW_AUTH_CIPHER_GROUP:
2316                 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
2317                 priv->wpa_cipher_group = p->value;
2318                 ret = 0;
2319                 break;
2320
2321         case IW_AUTH_KEY_MGMT:
2322                 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
2323                 priv->wpa_keymgmt = p->value;
2324                 ret = 0;
2325                 break;
2326
2327         case IW_AUTH_TKIP_COUNTERMEASURES:
2328                 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
2329                                                                 p->value);
2330                 ret = 0;
2331                 break;
2332
2333         case IW_AUTH_DROP_UNENCRYPTED:
2334                 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
2335                 ret = 0;
2336                 break;
2337
2338         case IW_AUTH_80211_AUTH_ALG:
2339                 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
2340                 priv->wpa_authalg = p->value;
2341                 ret = 0;
2342                 break;
2343
2344         case IW_AUTH_WPA_ENABLED:
2345                 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
2346                 if (wrqu->param.value)
2347                         deauthenticate(usbdev);
2348                 ret = 0;
2349                 break;
2350
2351         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
2352                 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
2353                                                                 p->value);
2354                 ret = 0;
2355                 break;
2356
2357         case IW_AUTH_ROAMING_CONTROL:
2358                 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
2359                 ret = 0;
2360                 break;
2361
2362         case IW_AUTH_PRIVACY_INVOKED:
2363                 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
2364                                 wrqu->param.flags & IW_AUTH_INDEX);
2365                 return -EOPNOTSUPP;
2366
2367         default:
2368                 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN  %08x, %08x",
2369                         p->flags & IW_AUTH_INDEX, p->value);
2370         }
2371         return ret;
2372 }
2373
2374
2375 static int rndis_iw_get_auth(struct net_device *dev,
2376     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2377 {
2378         struct iw_param *p = &wrqu->param;
2379         struct usbnet *usbdev = netdev_priv(dev);
2380         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2381
2382         switch (p->flags & IW_AUTH_INDEX) {
2383         case IW_AUTH_WPA_VERSION:
2384                 p->value = priv->wpa_version;
2385                 break;
2386         case IW_AUTH_CIPHER_PAIRWISE:
2387                 p->value = priv->wpa_cipher_pair;
2388                 break;
2389         case IW_AUTH_CIPHER_GROUP:
2390                 p->value = priv->wpa_cipher_group;
2391                 break;
2392         case IW_AUTH_KEY_MGMT:
2393                 p->value = priv->wpa_keymgmt;
2394                 break;
2395         case IW_AUTH_80211_AUTH_ALG:
2396                 p->value = priv->wpa_authalg;
2397                 break;
2398         default:
2399                 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
2400                                 wrqu->param.flags & IW_AUTH_INDEX);
2401                 return -EOPNOTSUPP;
2402         }
2403         return 0;
2404 }
2405
2406
2407 static int rndis_iw_set_encode(struct net_device *dev,
2408     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2409 {
2410         struct usbnet *usbdev = netdev_priv(dev);
2411         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2412         struct rndis_wlan_encr_key key;
2413         int ret, index, key_len;
2414         u8 *keybuf;
2415
2416         index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
2417
2418         /* iwconfig gives index as 1 - N */
2419         if (index > 0)
2420                 index--;
2421         else
2422                 index = priv->encr_tx_key_index;
2423
2424         if (index < 0 || index >= 4) {
2425                 devwarn(usbdev, "encryption index out of range (%u)", index);
2426                 return -EINVAL;
2427         }
2428
2429         /* remove key if disabled */
2430         if (wrqu->data.flags & IW_ENCODE_DISABLED) {
2431                 if (remove_key(usbdev, index, NULL))
2432                         return -EINVAL;
2433                 else
2434                         return 0;
2435         }
2436
2437         /* global encryption state (for all keys) */
2438         if (wrqu->data.flags & IW_ENCODE_OPEN)
2439                 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
2440                                                 RNDIS_WLAN_KEY_MGMT_NONE);
2441         else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
2442                 ret = set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_SHARED_KEY,
2443                                                 RNDIS_WLAN_KEY_MGMT_NONE);
2444         if (ret != 0)
2445                 return ret;
2446
2447         if (wrqu->data.length > 0) {
2448                 key_len = wrqu->data.length;
2449                 keybuf = extra;
2450         } else {
2451                 /* must be set as tx key */
2452                 if (priv->encr_keys[index].len == 0)
2453                         return -EINVAL;
2454                 key = priv->encr_keys[index];
2455                 key_len = key.len;
2456                 keybuf = key.material;
2457                 priv->encr_tx_key_index = index;
2458         }
2459
2460         if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
2461                 return -EINVAL;
2462
2463         if (index == priv->encr_tx_key_index)
2464                 /* ndis drivers want essid to be set after setting encr */
2465                 set_essid(usbdev, &priv->essid);
2466
2467         return 0;
2468 }
2469
2470
2471 static int rndis_iw_set_encode_ext(struct net_device *dev,
2472     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2473 {
2474         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
2475         struct usbnet *usbdev = netdev_priv(dev);
2476         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2477         int keyidx, flags, cipher;
2478
2479         keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2480
2481         /* iwconfig gives index as 1 - N */
2482         if (keyidx)
2483                 keyidx--;
2484         else
2485                 keyidx = priv->encr_tx_key_index;
2486
2487         if (keyidx < 0 || keyidx >= 4) {
2488                 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
2489                 return -EINVAL;
2490         }
2491
2492         if (ext->alg == IW_ENCODE_ALG_WEP) {
2493                 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2494                         priv->encr_tx_key_index = keyidx;
2495                 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2496         }
2497
2498         cipher = -1;
2499         if (ext->alg == IW_ENCODE_ALG_TKIP)
2500                 cipher = WLAN_CIPHER_SUITE_TKIP;
2501         else if (ext->alg == IW_ENCODE_ALG_CCMP)
2502                 cipher = WLAN_CIPHER_SUITE_CCMP;
2503
2504         if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2505             ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2506                 return remove_key(usbdev, keyidx, NULL);
2507
2508         if (cipher == -1)
2509                 return -EOPNOTSUPP;
2510
2511         flags = 0;
2512         if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
2513                 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2514         if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
2515                 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
2516         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2517                 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
2518
2519         return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2520                                 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2521                                 flags);
2522 }
2523
2524
2525 static int rndis_iw_get_rate(struct net_device *dev,
2526     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2527 {
2528         struct usbnet *usbdev = netdev_priv(dev);
2529         __le32 tmp;
2530         int ret, len;
2531
2532         len = sizeof(tmp);
2533         ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2534         if (ret == 0) {
2535                 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2536                 wrqu->bitrate.disabled = 0;
2537                 wrqu->bitrate.flags = 1;
2538         }
2539         return ret;
2540 }
2541
2542
2543 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2544 {
2545         struct usbnet *usbdev = netdev_priv(dev);
2546         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2547         unsigned long flags;
2548
2549         spin_lock_irqsave(&priv->stats_lock, flags);
2550         memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2551         spin_unlock_irqrestore(&priv->stats_lock, flags);
2552
2553         return &priv->iwstats;
2554 }
2555 #endif
2556
2557
2558 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2559 static const iw_handler rndis_iw_handler[] =
2560 {
2561         IW_IOCTL(SIOCSIWCOMMIT)    = rndis_iw_commit,
2562         IW_IOCTL(SIOCGIWNAME)      = (iw_handler) cfg80211_wext_giwname,
2563         IW_IOCTL(SIOCSIWFREQ)      = (iw_handler) cfg80211_wext_siwfreq,
2564         IW_IOCTL(SIOCGIWFREQ)      = (iw_handler) cfg80211_wext_giwfreq,
2565         IW_IOCTL(SIOCSIWMODE)      = (iw_handler) cfg80211_wext_siwmode,
2566         IW_IOCTL(SIOCGIWMODE)      = (iw_handler) cfg80211_wext_giwmode,
2567         IW_IOCTL(SIOCGIWRANGE)     = (iw_handler) cfg80211_wext_giwrange,
2568         IW_IOCTL(SIOCSIWAP)        = (iw_handler) cfg80211_wext_siwap,
2569         IW_IOCTL(SIOCGIWAP)        = (iw_handler) cfg80211_wext_giwap,
2570         IW_IOCTL(SIOCSIWSCAN)      = (iw_handler) cfg80211_wext_siwscan,
2571         IW_IOCTL(SIOCGIWSCAN)      = (iw_handler) cfg80211_wext_giwscan,
2572         IW_IOCTL(SIOCSIWESSID)     = (iw_handler) cfg80211_wext_siwessid,
2573         IW_IOCTL(SIOCGIWESSID)     = (iw_handler) cfg80211_wext_giwessid,
2574         IW_IOCTL(SIOCGIWRATE)      = (iw_handler) cfg80211_wext_giwrate,
2575         IW_IOCTL(SIOCSIWRTS)       = (iw_handler) cfg80211_wext_siwrts,
2576         IW_IOCTL(SIOCGIWRTS)       = (iw_handler) cfg80211_wext_giwrts,
2577         IW_IOCTL(SIOCSIWFRAG)      = (iw_handler) cfg80211_wext_siwfrag,
2578         IW_IOCTL(SIOCGIWFRAG)      = (iw_handler) cfg80211_wext_giwfrag,
2579         IW_IOCTL(SIOCSIWTXPOW)     = (iw_handler) cfg80211_wext_siwtxpower,
2580         IW_IOCTL(SIOCGIWTXPOW)     = (iw_handler) cfg80211_wext_giwtxpower,
2581         IW_IOCTL(SIOCSIWENCODE)    = (iw_handler) cfg80211_wext_siwencode,
2582         IW_IOCTL(SIOCSIWENCODEEXT) = (iw_handler) cfg80211_wext_siwencodeext,
2583         IW_IOCTL(SIOCSIWAUTH)      = (iw_handler) cfg80211_wext_siwauth,
2584         IW_IOCTL(SIOCGIWAUTH)      = (iw_handler) cfg80211_wext_giwauth,
2585         IW_IOCTL(SIOCSIWGENIE)     = (iw_handler) cfg80211_wext_siwgenie,
2586         IW_IOCTL(SIOCSIWMLME)      = (iw_handler) cfg80211_wext_siwmlme,
2587 };
2588
2589 static const iw_handler rndis_wlan_private_handler[] = {
2590 };
2591
2592 static const struct iw_priv_args rndis_wlan_private_args[] = {
2593 };
2594
2595
2596 static const struct iw_handler_def rndis_iw_handlers = {
2597         .num_standard = ARRAY_SIZE(rndis_iw_handler),
2598         .num_private  = ARRAY_SIZE(rndis_wlan_private_handler),
2599         .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2600         .standard = (iw_handler *)rndis_iw_handler,
2601         .private  = (iw_handler *)rndis_wlan_private_handler,
2602         .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2603         .get_wireless_stats = cfg80211_wireless_stats,
2604 };
2605
2606
2607 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2608 {
2609         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2610         struct ndis_80211_assoc_info *info;
2611         u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2612         u8 bssid[ETH_ALEN];
2613         int resp_ie_len, req_ie_len;
2614         u8 *req_ie, *resp_ie;
2615         int ret, offset;
2616         bool roamed = false;
2617
2618         if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2619                 /* received media connect indication while connected, either
2620                  * device reassociated with same AP or roamed to new. */
2621                 roamed = true;
2622         }
2623
2624         req_ie_len = 0;
2625         resp_ie_len = 0;
2626         req_ie = NULL;
2627         resp_ie = NULL;
2628
2629         if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2630                 memset(assoc_buf, 0, sizeof(assoc_buf));
2631                 info = (void *)assoc_buf;
2632
2633                 /* Get association info IEs from device and send them back to
2634                  * userspace. */
2635                 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2636                 if (!ret) {
2637                         req_ie_len = le32_to_cpu(info->req_ie_length);
2638                         if (req_ie_len > 0) {
2639                                 offset = le32_to_cpu(info->offset_req_ies);
2640                                 req_ie = (u8 *)info + offset;
2641                         }
2642
2643                         resp_ie_len = le32_to_cpu(info->resp_ie_length);
2644                         if (resp_ie_len > 0) {
2645                                 offset = le32_to_cpu(info->offset_resp_ies);
2646                                 resp_ie = (u8 *)info + offset;
2647                         }
2648                 }
2649         } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2650                 return;
2651
2652         ret = get_bssid(usbdev, bssid);
2653         if (ret < 0)
2654                 memset(bssid, 0, sizeof(bssid));
2655
2656         devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : "");
2657
2658         /* Internal bss list in device always contains at least the currently
2659          * connected bss and we can get it to cfg80211 with
2660          * rndis_check_bssid_list().
2661          * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2662          * spec.
2663          */
2664         rndis_check_bssid_list(usbdev);
2665
2666         if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2667                 if (!roamed)
2668                         cfg80211_connect_result(usbdev->net, bssid, req_ie,
2669                                                 req_ie_len, resp_ie,
2670                                                 resp_ie_len, 0, GFP_KERNEL);
2671                 else
2672                         cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2673                                         resp_ie, resp_ie_len, GFP_KERNEL);
2674         } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2675                 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2676
2677         priv->connected = true;
2678         memcpy(priv->bssid, bssid, ETH_ALEN);
2679
2680         usbnet_resume_rx(usbdev);
2681         netif_carrier_on(usbdev->net);
2682 }
2683
2684 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2685 {
2686         union iwreq_data evt;
2687
2688         netif_carrier_off(usbdev->net);
2689
2690         evt.data.flags = 0;
2691         evt.data.length = 0;
2692         memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2693         wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2694 }
2695
2696 static void rndis_wlan_worker(struct work_struct *work)
2697 {
2698         struct rndis_wlan_private *priv =
2699                 container_of(work, struct rndis_wlan_private, work);
2700         struct usbnet *usbdev = priv->usbdev;
2701
2702         if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2703                 rndis_wlan_do_link_up_work(usbdev);
2704
2705         if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2706                 rndis_wlan_do_link_down_work(usbdev);
2707
2708         if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2709                 set_multicast_list(usbdev);
2710 }
2711
2712 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2713 {
2714         struct usbnet *usbdev = netdev_priv(dev);
2715         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2716
2717         if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2718                 return;
2719
2720         set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2721         queue_work(priv->workqueue, &priv->work);
2722 }
2723
2724
2725 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2726                                 struct ndis_80211_status_indication *indication,
2727                                 int len)
2728 {
2729         u8 *buf;
2730         const char *type;
2731         int flags, buflen;
2732         bool pairwise_error, group_error;
2733         struct ndis_80211_auth_request *auth_req;
2734
2735         /* must have at least one array entry */
2736         if (len < offsetof(struct ndis_80211_status_indication, u) +
2737                                 sizeof(struct ndis_80211_auth_request)) {
2738                 devinfo(usbdev, "authentication indication: "
2739                                 "too short message (%i)", len);
2740                 return;
2741         }
2742
2743         buf = (void *)&indication->u.auth_request[0];
2744         buflen = len - offsetof(struct ndis_80211_status_indication, u);
2745
2746         while (buflen >= sizeof(*auth_req)) {
2747                 auth_req = (void *)buf;
2748                 type = "unknown";
2749                 flags = le32_to_cpu(auth_req->flags);
2750                 pairwise_error = false;
2751                 group_error = false;
2752
2753                 if (flags & 0x1)
2754                         type = "reauth request";
2755                 if (flags & 0x2)
2756                         type = "key update request";
2757                 if (flags & 0x6) {
2758                         pairwise_error = true;
2759                         type = "pairwise_error";
2760                 }
2761                 if (flags & 0xe) {
2762                         group_error = true;
2763                         type = "group_error";
2764                 }
2765
2766                 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2767                                 le32_to_cpu(auth_req->flags));
2768
2769                 if (pairwise_error || group_error) {
2770                         union iwreq_data wrqu;
2771                         struct iw_michaelmicfailure micfailure;
2772
2773                         memset(&micfailure, 0, sizeof(micfailure));
2774                         if (pairwise_error)
2775                                 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2776                         if (group_error)
2777                                 micfailure.flags |= IW_MICFAILURE_GROUP;
2778
2779                         memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2780                                 ETH_ALEN);
2781
2782                         memset(&wrqu, 0, sizeof(wrqu));
2783                         wrqu.data.length = sizeof(micfailure);
2784                         wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2785                                                 &wrqu, (u8 *)&micfailure);
2786                 }
2787
2788                 buflen -= le32_to_cpu(auth_req->length);
2789                 buf += le32_to_cpu(auth_req->length);
2790         }
2791 }
2792
2793 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2794                                 struct ndis_80211_status_indication *indication,
2795                                 int len)
2796 {
2797         struct ndis_80211_pmkid_cand_list *cand_list;
2798         int list_len, expected_len, i;
2799
2800         if (len < offsetof(struct ndis_80211_status_indication, u) +
2801                                 sizeof(struct ndis_80211_pmkid_cand_list)) {
2802                 devinfo(usbdev, "pmkid candidate list indication: "
2803                                 "too short message (%i)", len);
2804                 return;
2805         }
2806
2807         list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2808                         sizeof(struct ndis_80211_pmkid_candidate);
2809         expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2810                         offsetof(struct ndis_80211_status_indication, u);
2811
2812         if (len < expected_len) {
2813                 devinfo(usbdev, "pmkid candidate list indication: "
2814                                 "list larger than buffer (%i < %i)",
2815                                 len, expected_len);
2816                 return;
2817         }
2818
2819         cand_list = &indication->u.cand_list;
2820
2821         devinfo(usbdev, "pmkid candidate list indication: "
2822                         "version %i, candidates %i",
2823                         le32_to_cpu(cand_list->version),
2824                         le32_to_cpu(cand_list->num_candidates));
2825
2826         if (le32_to_cpu(cand_list->version) != 1)
2827                 return;
2828
2829         for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2830                 struct iw_pmkid_cand pcand;
2831                 union iwreq_data wrqu;
2832                 struct ndis_80211_pmkid_candidate *cand =
2833                                                 &cand_list->candidate_list[i];
2834
2835                 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2836                                 i, le32_to_cpu(cand->flags), cand->bssid);
2837
2838                 memset(&pcand, 0, sizeof(pcand));
2839                 if (le32_to_cpu(cand->flags) & 0x01)
2840                         pcand.flags |= IW_PMKID_CAND_PREAUTH;
2841                 pcand.index = i;
2842                 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2843
2844                 memset(&wrqu, 0, sizeof(wrqu));
2845                 wrqu.data.length = sizeof(pcand);
2846                 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2847                                                                 (u8 *)&pcand);
2848         }
2849 }
2850
2851 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2852                         struct rndis_indicate *msg, int buflen)
2853 {
2854         struct ndis_80211_status_indication *indication;
2855         int len, offset;
2856
2857         offset = offsetof(struct rndis_indicate, status) +
2858                         le32_to_cpu(msg->offset);
2859         len = le32_to_cpu(msg->length);
2860
2861         if (len < 8) {
2862                 devinfo(usbdev, "media specific indication, "
2863                                 "ignore too short message (%i < 8)", len);
2864                 return;
2865         }
2866
2867         if (offset + len > buflen) {
2868                 devinfo(usbdev, "media specific indication, "
2869                                 "too large to fit to buffer (%i > %i)",
2870                                 offset + len, buflen);
2871                 return;
2872         }
2873
2874         indication = (void *)((u8 *)msg + offset);
2875
2876         switch (le32_to_cpu(indication->status_type)) {
2877         case NDIS_80211_STATUSTYPE_RADIOSTATE:
2878                 devinfo(usbdev, "radio state indication: %i",
2879                         le32_to_cpu(indication->u.radio_status));
2880                 return;
2881
2882         case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2883                 devinfo(usbdev, "media stream mode indication: %i",
2884                         le32_to_cpu(indication->u.media_stream_mode));
2885                 return;
2886
2887         case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2888                 rndis_wlan_auth_indication(usbdev, indication, len);
2889                 return;
2890
2891         case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2892                 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2893                 return;
2894
2895         default:
2896                 devinfo(usbdev, "media specific indication: "
2897                                 "unknown status type 0x%08x",
2898                                 le32_to_cpu(indication->status_type));
2899         }
2900 }
2901
2902
2903 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2904 {
2905         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2906         struct rndis_indicate *msg = ind;
2907
2908         switch (msg->status) {
2909         case RNDIS_STATUS_MEDIA_CONNECT:
2910                 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2911                         /* OID_802_11_ADD_KEY causes sometimes extra
2912                          * "media connect" indications which confuses driver
2913                          * and userspace to think that device is
2914                          * roaming/reassociating when it isn't.
2915                          */
2916                         devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2917                                         "'media connect'");
2918                         return;
2919                 }
2920
2921                 usbnet_pause_rx(usbdev);
2922
2923                 devinfo(usbdev, "media connect");
2924
2925                 /* queue work to avoid recursive calls into rndis_command */
2926                 set_bit(WORK_LINK_UP, &priv->work_pending);
2927                 queue_work(priv->workqueue, &priv->work);
2928                 break;
2929
2930         case RNDIS_STATUS_MEDIA_DISCONNECT:
2931                 devinfo(usbdev, "media disconnect");
2932
2933                 /* queue work to avoid recursive calls into rndis_command */
2934                 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2935                 queue_work(priv->workqueue, &priv->work);
2936                 break;
2937
2938         case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2939                 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2940                 break;
2941
2942         default:
2943                 devinfo(usbdev, "indication: 0x%08x",
2944                                 le32_to_cpu(msg->status));
2945                 break;
2946         }
2947 }
2948
2949
2950 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2951 {
2952         struct {
2953                 __le32  num_items;
2954                 __le32  items[8];
2955         } networks_supported;
2956         int len, retval, i, n;
2957         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2958
2959         /* determine supported modes */
2960         len = sizeof(networks_supported);
2961         retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2962                                                 &networks_supported, &len);
2963         if (retval >= 0) {
2964                 n = le32_to_cpu(networks_supported.num_items);
2965                 if (n > 8)
2966                         n = 8;
2967                 for (i = 0; i < n; i++) {
2968                         switch (le32_to_cpu(networks_supported.items[i])) {
2969                         case NDIS_80211_TYPE_FREQ_HOP:
2970                         case NDIS_80211_TYPE_DIRECT_SEQ:
2971                                 priv->caps |= CAP_MODE_80211B;
2972                                 break;
2973                         case NDIS_80211_TYPE_OFDM_A:
2974                                 priv->caps |= CAP_MODE_80211A;
2975                                 break;
2976                         case NDIS_80211_TYPE_OFDM_G:
2977                                 priv->caps |= CAP_MODE_80211G;
2978                                 break;
2979                         }
2980                 }
2981         }
2982
2983         return retval;
2984 }
2985
2986
2987 #define STATS_UPDATE_JIFFIES (HZ)
2988 static void rndis_update_wireless_stats(struct work_struct *work)
2989 {
2990         struct rndis_wlan_private *priv =
2991                 container_of(work, struct rndis_wlan_private, stats_work.work);
2992         struct usbnet *usbdev = priv->usbdev;
2993         __le32 rssi, tmp;
2994         int len, ret, j;
2995         int update_jiffies = STATS_UPDATE_JIFFIES;
2996         void *buf;
2997
2998         /* Only check/do workaround when connected. Calling is_associated()
2999          * also polls device with rndis_command() and catches for media link
3000          * indications.
3001          */
3002         if (!is_associated(usbdev))
3003                 goto end;
3004
3005         len = sizeof(rssi);
3006         ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
3007         if (ret == 0)
3008                 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
3009
3010         devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
3011                                                         le32_to_cpu(rssi));
3012
3013         /* Workaround transfer stalls on poor quality links.
3014          * TODO: find right way to fix these stalls (as stalls do not happen
3015          * with ndiswrapper/windows driver). */
3016         if (priv->last_qual <= 25) {
3017                 /* Decrease stats worker interval to catch stalls.
3018                  * faster. Faster than 400-500ms causes packet loss,
3019                  * Slower doesn't catch stalls fast enough.
3020                  */
3021                 j = msecs_to_jiffies(priv->param_workaround_interval);
3022                 if (j > STATS_UPDATE_JIFFIES)
3023                         j = STATS_UPDATE_JIFFIES;
3024                 else if (j <= 0)
3025                         j = 1;
3026                 update_jiffies = j;
3027
3028                 /* Send scan OID. Use of both OIDs is required to get device
3029                  * working.
3030                  */
3031                 tmp = cpu_to_le32(1);
3032                 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3033                                                                 sizeof(tmp));
3034
3035                 len = CONTROL_BUFFER_SIZE;
3036                 buf = kmalloc(len, GFP_KERNEL);
3037                 if (!buf)
3038                         goto end;
3039
3040                 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3041                 kfree(buf);
3042         }
3043 end:
3044
3045         if (update_jiffies >= HZ)
3046                 update_jiffies = round_jiffies_relative(update_jiffies);
3047         else {
3048                 j = round_jiffies_relative(update_jiffies);
3049                 if (abs(j - update_jiffies) <= 10)
3050                         update_jiffies = j;
3051         }
3052
3053         queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
3054 }
3055
3056
3057 static int bcm4320a_early_init(struct usbnet *usbdev)
3058 {
3059         /* bcm4320a doesn't handle configuration parameters well. Try
3060          * set any and you get partially zeroed mac and broken device.
3061          */
3062
3063         return 0;
3064 }
3065
3066
3067 static int bcm4320b_early_init(struct usbnet *usbdev)
3068 {
3069         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3070         char buf[8];
3071
3072         /* Early initialization settings, setting these won't have effect
3073          * if called after generic_rndis_bind().
3074          */
3075
3076         priv->param_country[0] = modparam_country[0];
3077         priv->param_country[1] = modparam_country[1];
3078         priv->param_country[2] = 0;
3079         priv->param_frameburst   = modparam_frameburst;
3080         priv->param_afterburner  = modparam_afterburner;
3081         priv->param_power_save   = modparam_power_save;
3082         priv->param_power_output = modparam_power_output;
3083         priv->param_roamtrigger  = modparam_roamtrigger;
3084         priv->param_roamdelta    = modparam_roamdelta;
3085
3086         priv->param_country[0] = toupper(priv->param_country[0]);
3087         priv->param_country[1] = toupper(priv->param_country[1]);
3088         /* doesn't support EU as country code, use FI instead */
3089         if (!strcmp(priv->param_country, "EU"))
3090                 strcpy(priv->param_country, "FI");
3091
3092         if (priv->param_power_save < 0)
3093                 priv->param_power_save = 0;
3094         else if (priv->param_power_save > 2)
3095                 priv->param_power_save = 2;
3096
3097         if (priv->param_power_output < 0)
3098                 priv->param_power_output = 0;
3099         else if (priv->param_power_output > 3)
3100                 priv->param_power_output = 3;
3101
3102         if (priv->param_roamtrigger < -80)
3103                 priv->param_roamtrigger = -80;
3104         else if (priv->param_roamtrigger > -60)
3105                 priv->param_roamtrigger = -60;
3106
3107         if (priv->param_roamdelta < 0)
3108                 priv->param_roamdelta = 0;
3109         else if (priv->param_roamdelta > 2)
3110                 priv->param_roamdelta = 2;
3111
3112         if (modparam_workaround_interval < 0)
3113                 priv->param_workaround_interval = 500;
3114         else
3115                 priv->param_workaround_interval = modparam_workaround_interval;
3116
3117         rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3118         rndis_set_config_parameter_str(usbdev, "FrameBursting",
3119                                         priv->param_frameburst ? "1" : "0");
3120         rndis_set_config_parameter_str(usbdev, "Afterburner",
3121                                         priv->param_afterburner ? "1" : "0");
3122         sprintf(buf, "%d", priv->param_power_save);
3123         rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
3124         sprintf(buf, "%d", priv->param_power_output);
3125         rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
3126         sprintf(buf, "%d", priv->param_roamtrigger);
3127         rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
3128         sprintf(buf, "%d", priv->param_roamdelta);
3129         rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
3130
3131         return 0;
3132 }
3133
3134 /* same as rndis_netdev_ops but with local multicast handler */
3135 static const struct net_device_ops rndis_wlan_netdev_ops = {
3136         .ndo_open               = usbnet_open,
3137         .ndo_stop               = usbnet_stop,
3138         .ndo_start_xmit         = usbnet_start_xmit,
3139         .ndo_tx_timeout         = usbnet_tx_timeout,
3140         .ndo_set_mac_address    = eth_mac_addr,
3141         .ndo_validate_addr      = eth_validate_addr,
3142         .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
3143 };
3144
3145
3146 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
3147 {
3148         struct wiphy *wiphy;
3149         struct rndis_wlan_private *priv;
3150         int retval, len;
3151         __le32 tmp;
3152
3153         /* allocate wiphy and rndis private data
3154          * NOTE: We only support a single virtual interface, so wiphy
3155          * and wireless_dev are somewhat synonymous for this device.
3156          */
3157         wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
3158         if (!wiphy)
3159                 return -ENOMEM;
3160
3161         priv = wiphy_priv(wiphy);
3162         usbdev->net->ieee80211_ptr = &priv->wdev;
3163         priv->wdev.wiphy = wiphy;
3164         priv->wdev.iftype = NL80211_IFTYPE_STATION;
3165
3166         /* These have to be initialized before calling generic_rndis_bind().
3167          * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3168          */
3169         usbdev->driver_priv = priv;
3170         usbdev->net->wireless_handlers = &rndis_iw_handlers;
3171         priv->usbdev = usbdev;
3172
3173         mutex_init(&priv->command_lock);
3174
3175         /* because rndis_command() sleeps we need to use workqueue */
3176         priv->workqueue = create_singlethread_workqueue("rndis_wlan");
3177         INIT_WORK(&priv->work, rndis_wlan_worker);
3178         INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
3179         INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3180
3181         /* try bind rndis_host */
3182         retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
3183         if (retval < 0)
3184                 goto fail;
3185
3186         /* generic_rndis_bind set packet filter to multicast_all+
3187          * promisc mode which doesn't work well for our devices (device
3188          * picks up rssi to closest station instead of to access point).
3189          *
3190          * rndis_host wants to avoid all OID as much as possible
3191          * so do promisc/multicast handling in rndis_wlan.
3192          */
3193         usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
3194
3195         tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
3196         retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
3197                                                                 sizeof(tmp));
3198
3199         len = sizeof(tmp);
3200         retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3201                                                                 &len);
3202         priv->multicast_size = le32_to_cpu(tmp);
3203         if (retval < 0 || priv->multicast_size < 0)
3204                 priv->multicast_size = 0;
3205         if (priv->multicast_size > 0)
3206                 usbdev->net->flags |= IFF_MULTICAST;
3207         else
3208                 usbdev->net->flags &= ~IFF_MULTICAST;
3209
3210         /* fill-out wiphy structure and register w/ cfg80211 */
3211         memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3212         wiphy->privid = rndis_wiphy_privid;
3213         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3214                                         | BIT(NL80211_IFTYPE_ADHOC);
3215         wiphy->max_scan_ssids = 1;
3216
3217         /* TODO: fill-out band/encr information based on priv->caps */
3218         rndis_wlan_get_caps(usbdev);
3219
3220         memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3221         memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3222         priv->band.channels = priv->channels;
3223         priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3224         priv->band.bitrates = priv->rates;
3225         priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3226         wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
3227         wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
3228
3229         memcpy(priv->cipher_suites, rndis_cipher_suites,
3230                                                 sizeof(rndis_cipher_suites));
3231         wiphy->cipher_suites = priv->cipher_suites;
3232         wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3233
3234         set_wiphy_dev(wiphy, &usbdev->udev->dev);
3235
3236         if (wiphy_register(wiphy)) {
3237                 retval = -ENODEV;
3238                 goto fail;
3239         }
3240
3241         set_default_iw_params(usbdev);
3242
3243         /* set default rts/frag */
3244         rndis_set_wiphy_params(wiphy,
3245                         WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3246
3247         /* turn radio on */
3248         priv->radio_on = 1;
3249         disassociate(usbdev, 1);
3250         netif_carrier_off(usbdev->net);
3251
3252         return 0;
3253
3254 fail:
3255         cancel_delayed_work_sync(&priv->stats_work);
3256         cancel_delayed_work_sync(&priv->scan_work);
3257         cancel_work_sync(&priv->work);
3258         flush_workqueue(priv->workqueue);
3259         destroy_workqueue(priv->workqueue);
3260
3261         wiphy_free(wiphy);
3262         return retval;
3263 }
3264
3265
3266 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
3267 {
3268         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3269
3270         /* turn radio off */
3271         disassociate(usbdev, 0);
3272
3273         cancel_delayed_work_sync(&priv->stats_work);
3274         cancel_delayed_work_sync(&priv->scan_work);
3275         cancel_work_sync(&priv->work);
3276         flush_workqueue(priv->workqueue);
3277         destroy_workqueue(priv->workqueue);
3278
3279         if (priv && priv->wpa_ie_len)
3280                 kfree(priv->wpa_ie);
3281
3282         rndis_unbind(usbdev, intf);
3283
3284         wiphy_unregister(priv->wdev.wiphy);
3285         wiphy_free(priv->wdev.wiphy);
3286 }
3287
3288
3289 static int rndis_wlan_reset(struct usbnet *usbdev)
3290 {
3291         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3292         int retval;
3293
3294         devdbg(usbdev, "rndis_wlan_reset");
3295
3296         retval = rndis_reset(usbdev);
3297         if (retval)
3298                 devwarn(usbdev, "rndis_reset() failed: %d", retval);
3299
3300         /* rndis_reset cleared multicast list, so restore here.
3301            (set_multicast_list() also turns on current packet filter) */
3302         set_multicast_list(usbdev);
3303
3304         queue_delayed_work(priv->workqueue, &priv->stats_work,
3305                 round_jiffies_relative(STATS_UPDATE_JIFFIES));
3306
3307         return deauthenticate(usbdev);
3308 }
3309
3310
3311 static int rndis_wlan_stop(struct usbnet *usbdev)
3312 {
3313         struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3314         int retval;
3315         __le32 filter;
3316
3317         devdbg(usbdev, "rndis_wlan_stop");
3318
3319         retval = disassociate(usbdev, 0);
3320
3321         priv->work_pending = 0;
3322         cancel_delayed_work_sync(&priv->stats_work);
3323         cancel_delayed_work_sync(&priv->scan_work);
3324         cancel_work_sync(&priv->work);
3325         flush_workqueue(priv->workqueue);
3326
3327         if (priv->scan_request) {
3328                 cfg80211_scan_done(priv->scan_request, true);
3329                 priv->scan_request = NULL;
3330         }
3331
3332         /* Set current packet filter zero to block receiving data packets from
3333            device. */
3334         filter = 0;
3335         rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3336                                                                 sizeof(filter));
3337
3338         return retval;
3339 }
3340
3341
3342 static const struct driver_info bcm4320b_info = {
3343         .description =  "Wireless RNDIS device, BCM4320b based",
3344         .flags =        FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3345                                 FLAG_AVOID_UNLINK_URBS,
3346         .bind =         rndis_wlan_bind,
3347         .unbind =       rndis_wlan_unbind,
3348         .status =       rndis_status,
3349         .rx_fixup =     rndis_rx_fixup,
3350         .tx_fixup =     rndis_tx_fixup,
3351         .reset =        rndis_wlan_reset,
3352         .stop =         rndis_wlan_stop,
3353         .early_init =   bcm4320b_early_init,
3354         .indication =   rndis_wlan_indication,
3355 };
3356
3357 static const struct driver_info bcm4320a_info = {
3358         .description =  "Wireless RNDIS device, BCM4320a based",
3359         .flags =        FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3360                                 FLAG_AVOID_UNLINK_URBS,
3361         .bind =         rndis_wlan_bind,
3362         .unbind =       rndis_wlan_unbind,
3363         .status =       rndis_status,
3364         .rx_fixup =     rndis_rx_fixup,
3365         .tx_fixup =     rndis_tx_fixup,
3366         .reset =        rndis_wlan_reset,
3367         .stop =         rndis_wlan_stop,
3368         .early_init =   bcm4320a_early_init,
3369         .indication =   rndis_wlan_indication,
3370 };
3371
3372 static const struct driver_info rndis_wlan_info = {
3373         .description =  "Wireless RNDIS device",
3374         .flags =        FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3375                                 FLAG_AVOID_UNLINK_URBS,
3376         .bind =         rndis_wlan_bind,
3377         .unbind =       rndis_wlan_unbind,
3378         .status =       rndis_status,
3379         .rx_fixup =     rndis_rx_fixup,
3380         .tx_fixup =     rndis_tx_fixup,
3381         .reset =        rndis_wlan_reset,
3382         .stop =         rndis_wlan_stop,
3383         .early_init =   bcm4320a_early_init,
3384         .indication =   rndis_wlan_indication,
3385 };
3386
3387 /*-------------------------------------------------------------------------*/
3388
3389 static const struct usb_device_id products [] = {
3390 #define RNDIS_MASTER_INTERFACE \
3391         .bInterfaceClass        = USB_CLASS_COMM, \
3392         .bInterfaceSubClass     = 2 /* ACM */, \
3393         .bInterfaceProtocol     = 0x0ff
3394
3395 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3396  * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3397  */
3398 {
3399         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3400                           | USB_DEVICE_ID_MATCH_DEVICE,
3401         .idVendor               = 0x0411,
3402         .idProduct              = 0x00bc,       /* Buffalo WLI-U2-KG125S */
3403         RNDIS_MASTER_INTERFACE,
3404         .driver_info            = (unsigned long) &bcm4320b_info,
3405 }, {
3406         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3407                           | USB_DEVICE_ID_MATCH_DEVICE,
3408         .idVendor               = 0x0baf,
3409         .idProduct              = 0x011b,       /* U.S. Robotics USR5421 */
3410         RNDIS_MASTER_INTERFACE,
3411         .driver_info            = (unsigned long) &bcm4320b_info,
3412 }, {
3413         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3414                           | USB_DEVICE_ID_MATCH_DEVICE,
3415         .idVendor               = 0x050d,
3416         .idProduct              = 0x011b,       /* Belkin F5D7051 */
3417         RNDIS_MASTER_INTERFACE,
3418         .driver_info            = (unsigned long) &bcm4320b_info,
3419 }, {
3420         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3421                           | USB_DEVICE_ID_MATCH_DEVICE,
3422         .idVendor               = 0x1799,       /* Belkin has two vendor ids */
3423         .idProduct              = 0x011b,       /* Belkin F5D7051 */
3424         RNDIS_MASTER_INTERFACE,
3425         .driver_info            = (unsigned long) &bcm4320b_info,
3426 }, {
3427         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3428                           | USB_DEVICE_ID_MATCH_DEVICE,
3429         .idVendor               = 0x13b1,
3430         .idProduct              = 0x0014,       /* Linksys WUSB54GSv2 */
3431         RNDIS_MASTER_INTERFACE,
3432         .driver_info            = (unsigned long) &bcm4320b_info,
3433 }, {
3434         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3435                           | USB_DEVICE_ID_MATCH_DEVICE,
3436         .idVendor               = 0x13b1,
3437         .idProduct              = 0x0026,       /* Linksys WUSB54GSC */
3438         RNDIS_MASTER_INTERFACE,
3439         .driver_info            = (unsigned long) &bcm4320b_info,
3440 }, {
3441         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3442                           | USB_DEVICE_ID_MATCH_DEVICE,
3443         .idVendor               = 0x0b05,
3444         .idProduct              = 0x1717,       /* Asus WL169gE */
3445         RNDIS_MASTER_INTERFACE,
3446         .driver_info            = (unsigned long) &bcm4320b_info,
3447 }, {
3448         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3449                           | USB_DEVICE_ID_MATCH_DEVICE,
3450         .idVendor               = 0x0a5c,
3451         .idProduct              = 0xd11b,       /* Eminent EM4045 */
3452         RNDIS_MASTER_INTERFACE,
3453         .driver_info            = (unsigned long) &bcm4320b_info,
3454 }, {
3455         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3456                           | USB_DEVICE_ID_MATCH_DEVICE,
3457         .idVendor               = 0x1690,
3458         .idProduct              = 0x0715,       /* BT Voyager 1055 */
3459         RNDIS_MASTER_INTERFACE,
3460         .driver_info            = (unsigned long) &bcm4320b_info,
3461 },
3462 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3463  * parameters available, hardware probably contain older firmware version with
3464  * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3465  */
3466 {
3467         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3468                           | USB_DEVICE_ID_MATCH_DEVICE,
3469         .idVendor               = 0x13b1,
3470         .idProduct              = 0x000e,       /* Linksys WUSB54GSv1 */
3471         RNDIS_MASTER_INTERFACE,
3472         .driver_info            = (unsigned long) &bcm4320a_info,
3473 }, {
3474         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3475                           | USB_DEVICE_ID_MATCH_DEVICE,
3476         .idVendor               = 0x0baf,
3477         .idProduct              = 0x0111,       /* U.S. Robotics USR5420 */
3478         RNDIS_MASTER_INTERFACE,
3479         .driver_info            = (unsigned long) &bcm4320a_info,
3480 }, {
3481         .match_flags    =   USB_DEVICE_ID_MATCH_INT_INFO
3482                           | USB_DEVICE_ID_MATCH_DEVICE,
3483         .idVendor               = 0x0411,
3484         .idProduct              = 0x004b,       /* BUFFALO WLI-USB-G54 */
3485         RNDIS_MASTER_INTERFACE,
3486         .driver_info            = (unsigned long) &bcm4320a_info,
3487 },
3488 /* Generic Wireless RNDIS devices that we don't have exact
3489  * idVendor/idProduct/chip yet.
3490  */
3491 {
3492         /* RNDIS is MSFT's un-official variant of CDC ACM */
3493         USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3494         .driver_info = (unsigned long) &rndis_wlan_info,
3495 }, {
3496         /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3497         USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3498         .driver_info = (unsigned long) &rndis_wlan_info,
3499 },
3500         { },            // END
3501 };
3502 MODULE_DEVICE_TABLE(usb, products);
3503
3504 static struct usb_driver rndis_wlan_driver = {
3505         .name =         "rndis_wlan",
3506         .id_table =     products,
3507         .probe =        usbnet_probe,
3508         .disconnect =   usbnet_disconnect,
3509         .suspend =      usbnet_suspend,
3510         .resume =       usbnet_resume,
3511 };
3512
3513 static int __init rndis_wlan_init(void)
3514 {
3515         return usb_register(&rndis_wlan_driver);
3516 }
3517 module_init(rndis_wlan_init);
3518
3519 static void __exit rndis_wlan_exit(void)
3520 {
3521         usb_deregister(&rndis_wlan_driver);
3522 }
3523 module_exit(rndis_wlan_exit);
3524
3525 MODULE_AUTHOR("Bjorge Dijkstra");
3526 MODULE_AUTHOR("Jussi Kivilinna");
3527 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3528 MODULE_LICENSE("GPL");
3529