2 * Driver for RNDIS based wireless USB devices.
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
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.
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.
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
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
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 <linux/slab.h>
45 #include <net/iw_handler.h>
46 #include <net/cfg80211.h>
47 #include <linux/usb/usbnet.h>
48 #include <linux/usb/rndis_host.h>
51 /* NOTE: All these are settings for Broadcom chipset */
52 static char modparam_country[4] = "EU";
53 module_param_string(country, modparam_country, 4, 0444);
54 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
56 static int modparam_frameburst = 1;
57 module_param_named(frameburst, modparam_frameburst, int, 0444);
58 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
60 static int modparam_afterburner = 0;
61 module_param_named(afterburner, modparam_afterburner, int, 0444);
62 MODULE_PARM_DESC(afterburner,
63 "enable afterburner aka '125 High Speed Mode' (default: off)");
65 static int modparam_power_save = 0;
66 module_param_named(power_save, modparam_power_save, int, 0444);
67 MODULE_PARM_DESC(power_save,
68 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
70 static int modparam_power_output = 3;
71 module_param_named(power_output, modparam_power_output, int, 0444);
72 MODULE_PARM_DESC(power_output,
73 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
75 static int modparam_roamtrigger = -70;
76 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
77 MODULE_PARM_DESC(roamtrigger,
78 "set roaming dBm trigger: -80=optimize for distance, "
79 "-60=bandwidth (default: -70)");
81 static int modparam_roamdelta = 1;
82 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
83 MODULE_PARM_DESC(roamdelta,
84 "set roaming tendency: 0=aggressive, 1=moderate, "
85 "2=conservative (default: moderate)");
87 static int modparam_workaround_interval;
88 module_param_named(workaround_interval, modparam_workaround_interval,
90 MODULE_PARM_DESC(workaround_interval,
91 "set stall workaround interval in msecs (0=disabled) (default: 0)");
94 /* various RNDIS OID defs */
95 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
96 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
98 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
99 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
100 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
101 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
102 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
104 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
105 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
106 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
108 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
109 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
110 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
111 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
112 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
113 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
114 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
115 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
116 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
117 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
118 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
119 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
120 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
121 #define OID_802_11_CAPABILITY cpu_to_le32(0x0d010122)
122 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
123 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
124 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
125 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
126 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
127 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
128 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
129 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
130 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
131 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
132 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
135 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
136 #define WL_NOISE -96 /* typical noise level in dBm */
137 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
140 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
141 * based on wireless rndis) has default txpower of 13dBm.
142 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
143 * 100% : 20 mW ~ 13dBm
144 * 75% : 15 mW ~ 12dBm
145 * 50% : 10 mW ~ 10dBm
148 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
149 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
150 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
151 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
154 /* codes for "status" field of completion messages */
155 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
156 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
159 /* Known device types */
160 #define RNDIS_UNKNOWN 0
161 #define RNDIS_BCM4320A 1
162 #define RNDIS_BCM4320B 2
165 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
166 * slightly modified for datatype endianess, etc
168 #define NDIS_802_11_LENGTH_SSID 32
169 #define NDIS_802_11_LENGTH_RATES 8
170 #define NDIS_802_11_LENGTH_RATES_EX 16
172 enum ndis_80211_net_type {
173 NDIS_80211_TYPE_FREQ_HOP,
174 NDIS_80211_TYPE_DIRECT_SEQ,
175 NDIS_80211_TYPE_OFDM_A,
176 NDIS_80211_TYPE_OFDM_G
179 enum ndis_80211_net_infra {
180 NDIS_80211_INFRA_ADHOC,
181 NDIS_80211_INFRA_INFRA,
182 NDIS_80211_INFRA_AUTO_UNKNOWN
185 enum ndis_80211_auth_mode {
186 NDIS_80211_AUTH_OPEN,
187 NDIS_80211_AUTH_SHARED,
188 NDIS_80211_AUTH_AUTO_SWITCH,
190 NDIS_80211_AUTH_WPA_PSK,
191 NDIS_80211_AUTH_WPA_NONE,
192 NDIS_80211_AUTH_WPA2,
193 NDIS_80211_AUTH_WPA2_PSK
196 enum ndis_80211_encr_status {
197 NDIS_80211_ENCR_WEP_ENABLED,
198 NDIS_80211_ENCR_DISABLED,
199 NDIS_80211_ENCR_WEP_KEY_ABSENT,
200 NDIS_80211_ENCR_NOT_SUPPORTED,
201 NDIS_80211_ENCR_TKIP_ENABLED,
202 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
203 NDIS_80211_ENCR_CCMP_ENABLED,
204 NDIS_80211_ENCR_CCMP_KEY_ABSENT
207 enum ndis_80211_priv_filter {
208 NDIS_80211_PRIV_ACCEPT_ALL,
209 NDIS_80211_PRIV_8021X_WEP
212 enum ndis_80211_status_type {
213 NDIS_80211_STATUSTYPE_AUTHENTICATION,
214 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
215 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
216 NDIS_80211_STATUSTYPE_RADIOSTATE,
219 enum ndis_80211_media_stream_mode {
220 NDIS_80211_MEDIA_STREAM_OFF,
221 NDIS_80211_MEDIA_STREAM_ON
224 enum ndis_80211_radio_status {
225 NDIS_80211_RADIO_STATUS_ON,
226 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
227 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
230 enum ndis_80211_addkey_bits {
231 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
232 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
233 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
234 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
237 enum ndis_80211_addwep_bits {
238 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
239 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
242 struct ndis_80211_auth_request {
249 struct ndis_80211_pmkid_candidate {
255 struct ndis_80211_pmkid_cand_list {
257 __le32 num_candidates;
258 struct ndis_80211_pmkid_candidate candidate_list[0];
261 struct ndis_80211_status_indication {
264 __le32 media_stream_mode;
266 struct ndis_80211_auth_request auth_request[0];
267 struct ndis_80211_pmkid_cand_list cand_list;
271 struct ndis_80211_ssid {
273 u8 essid[NDIS_802_11_LENGTH_SSID];
276 struct ndis_80211_conf_freq_hop {
283 struct ndis_80211_conf {
285 __le32 beacon_period;
288 struct ndis_80211_conf_freq_hop fh_config;
291 struct ndis_80211_bssid_ex {
295 struct ndis_80211_ssid ssid;
299 struct ndis_80211_conf config;
301 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
306 struct ndis_80211_bssid_list_ex {
308 struct ndis_80211_bssid_ex bssid[0];
311 struct ndis_80211_fixed_ies {
313 __le16 beacon_interval;
317 struct ndis_80211_wep_key {
324 struct ndis_80211_key {
334 struct ndis_80211_remove_key {
341 struct ndis_config_param {
349 struct ndis_80211_assoc_info {
354 __le16 listen_interval;
355 u8 cur_ap_address[6];
357 __le32 req_ie_length;
358 __le32 offset_req_ies;
365 __le32 resp_ie_length;
366 __le32 offset_resp_ies;
369 struct ndis_80211_auth_encr_pair {
374 struct ndis_80211_capability {
378 __le32 num_auth_encr_pair;
379 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
382 struct ndis_80211_bssid_info {
387 struct ndis_80211_pmkid {
389 __le32 bssid_info_count;
390 struct ndis_80211_bssid_info bssid_info[0];
396 #define NET_TYPE_11FB 0
398 #define CAP_MODE_80211A 1
399 #define CAP_MODE_80211B 2
400 #define CAP_MODE_80211G 4
401 #define CAP_MODE_MASK 7
403 #define WORK_LINK_UP (1<<0)
404 #define WORK_LINK_DOWN (1<<1)
405 #define WORK_SET_MULTICAST_LIST (1<<2)
407 #define RNDIS_WLAN_ALG_NONE 0
408 #define RNDIS_WLAN_ALG_WEP (1<<0)
409 #define RNDIS_WLAN_ALG_TKIP (1<<1)
410 #define RNDIS_WLAN_ALG_CCMP (1<<2)
412 #define RNDIS_WLAN_KEY_MGMT_NONE 0
413 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
414 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
416 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
418 static const struct ieee80211_channel rndis_channels[] = {
419 { .center_freq = 2412 },
420 { .center_freq = 2417 },
421 { .center_freq = 2422 },
422 { .center_freq = 2427 },
423 { .center_freq = 2432 },
424 { .center_freq = 2437 },
425 { .center_freq = 2442 },
426 { .center_freq = 2447 },
427 { .center_freq = 2452 },
428 { .center_freq = 2457 },
429 { .center_freq = 2462 },
430 { .center_freq = 2467 },
431 { .center_freq = 2472 },
432 { .center_freq = 2484 },
435 static const struct ieee80211_rate rndis_rates[] = {
437 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
438 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
439 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
450 static const u32 rndis_cipher_suites[] = {
451 WLAN_CIPHER_SUITE_WEP40,
452 WLAN_CIPHER_SUITE_WEP104,
453 WLAN_CIPHER_SUITE_TKIP,
454 WLAN_CIPHER_SUITE_CCMP,
457 struct rndis_wlan_encr_key {
466 /* RNDIS device private data */
467 struct rndis_wlan_private {
468 struct usbnet *usbdev;
470 struct wireless_dev wdev;
472 struct cfg80211_scan_request *scan_request;
474 struct workqueue_struct *workqueue;
475 struct delayed_work dev_poller_work;
476 struct delayed_work scan_work;
477 struct work_struct work;
478 struct mutex command_lock;
479 unsigned long work_pending;
482 struct ieee80211_supported_band band;
483 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
484 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
485 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
491 /* module parameters */
492 char param_country[4];
493 int param_frameburst;
494 int param_afterburner;
495 int param_power_save;
496 int param_power_output;
497 int param_roamtrigger;
499 u32 param_workaround_interval;
506 struct ndis_80211_ssid essid;
507 __le32 current_command_oid;
509 /* encryption stuff */
510 int encr_tx_key_index;
511 struct rndis_wlan_encr_key encr_keys[4];
514 u8 command_buffer[COMMAND_BUFFER_SIZE];
520 static int rndis_change_virtual_intf(struct wiphy *wiphy,
521 struct net_device *dev,
522 enum nl80211_iftype type, u32 *flags,
523 struct vif_params *params);
525 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
526 struct cfg80211_scan_request *request);
528 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
530 static int rndis_set_tx_power(struct wiphy *wiphy,
531 enum nl80211_tx_power_setting type,
533 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
535 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
536 struct cfg80211_connect_params *sme);
538 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
541 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
542 struct cfg80211_ibss_params *params);
544 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
546 static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev,
547 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
549 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
550 u8 key_index, bool pairwise, const u8 *mac_addr,
551 struct key_params *params);
553 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
554 u8 key_index, bool pairwise, const u8 *mac_addr);
556 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
559 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
560 u8 *mac, struct station_info *sinfo);
562 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
563 int idx, u8 *mac, struct station_info *sinfo);
565 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
566 struct cfg80211_pmksa *pmksa);
568 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
569 struct cfg80211_pmksa *pmksa);
571 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
573 static struct cfg80211_ops rndis_config_ops = {
574 .change_virtual_intf = rndis_change_virtual_intf,
576 .set_wiphy_params = rndis_set_wiphy_params,
577 .set_tx_power = rndis_set_tx_power,
578 .get_tx_power = rndis_get_tx_power,
579 .connect = rndis_connect,
580 .disconnect = rndis_disconnect,
581 .join_ibss = rndis_join_ibss,
582 .leave_ibss = rndis_leave_ibss,
583 .set_channel = rndis_set_channel,
584 .add_key = rndis_add_key,
585 .del_key = rndis_del_key,
586 .set_default_key = rndis_set_default_key,
587 .get_station = rndis_get_station,
588 .dump_station = rndis_dump_station,
589 .set_pmksa = rndis_set_pmksa,
590 .del_pmksa = rndis_del_pmksa,
591 .flush_pmksa = rndis_flush_pmksa,
594 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
597 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
599 return (struct rndis_wlan_private *)dev->driver_priv;
602 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
604 switch (priv->param_power_output) {
607 return BCM4320_DEFAULT_TXPOWER_DBM_100;
609 return BCM4320_DEFAULT_TXPOWER_DBM_75;
611 return BCM4320_DEFAULT_TXPOWER_DBM_50;
613 return BCM4320_DEFAULT_TXPOWER_DBM_25;
617 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
619 int cipher = priv->encr_keys[idx].cipher;
621 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
622 cipher == WLAN_CIPHER_SUITE_TKIP);
625 static int rndis_cipher_to_alg(u32 cipher)
629 return RNDIS_WLAN_ALG_NONE;
630 case WLAN_CIPHER_SUITE_WEP40:
631 case WLAN_CIPHER_SUITE_WEP104:
632 return RNDIS_WLAN_ALG_WEP;
633 case WLAN_CIPHER_SUITE_TKIP:
634 return RNDIS_WLAN_ALG_TKIP;
635 case WLAN_CIPHER_SUITE_CCMP:
636 return RNDIS_WLAN_ALG_CCMP;
640 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
644 return RNDIS_WLAN_KEY_MGMT_NONE;
645 case WLAN_AKM_SUITE_8021X:
646 return RNDIS_WLAN_KEY_MGMT_802_1X;
647 case WLAN_AKM_SUITE_PSK:
648 return RNDIS_WLAN_KEY_MGMT_PSK;
653 static const char *oid_to_string(__le32 oid)
656 #define OID_STR(oid) case oid: return(#oid)
657 /* from rndis_host.h */
658 OID_STR(OID_802_3_PERMANENT_ADDRESS);
659 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
660 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
661 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
663 /* from rndis_wlan.c */
664 OID_STR(OID_GEN_LINK_SPEED);
665 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
667 OID_STR(OID_GEN_XMIT_OK);
668 OID_STR(OID_GEN_RCV_OK);
669 OID_STR(OID_GEN_XMIT_ERROR);
670 OID_STR(OID_GEN_RCV_ERROR);
671 OID_STR(OID_GEN_RCV_NO_BUFFER);
673 OID_STR(OID_802_3_CURRENT_ADDRESS);
674 OID_STR(OID_802_3_MULTICAST_LIST);
675 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
677 OID_STR(OID_802_11_BSSID);
678 OID_STR(OID_802_11_SSID);
679 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
680 OID_STR(OID_802_11_ADD_WEP);
681 OID_STR(OID_802_11_REMOVE_WEP);
682 OID_STR(OID_802_11_DISASSOCIATE);
683 OID_STR(OID_802_11_AUTHENTICATION_MODE);
684 OID_STR(OID_802_11_PRIVACY_FILTER);
685 OID_STR(OID_802_11_BSSID_LIST_SCAN);
686 OID_STR(OID_802_11_ENCRYPTION_STATUS);
687 OID_STR(OID_802_11_ADD_KEY);
688 OID_STR(OID_802_11_REMOVE_KEY);
689 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
690 OID_STR(OID_802_11_PMKID);
691 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
692 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
693 OID_STR(OID_802_11_TX_POWER_LEVEL);
694 OID_STR(OID_802_11_RSSI);
695 OID_STR(OID_802_11_RSSI_TRIGGER);
696 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
697 OID_STR(OID_802_11_RTS_THRESHOLD);
698 OID_STR(OID_802_11_SUPPORTED_RATES);
699 OID_STR(OID_802_11_CONFIGURATION);
700 OID_STR(OID_802_11_BSSID_LIST);
707 static const char *oid_to_string(__le32 oid)
713 /* translate error code */
714 static int rndis_error_status(__le32 rndis_status)
717 switch (rndis_status) {
718 case RNDIS_STATUS_SUCCESS:
721 case RNDIS_STATUS_FAILURE:
722 case RNDIS_STATUS_INVALID_DATA:
725 case RNDIS_STATUS_NOT_SUPPORTED:
728 case RNDIS_STATUS_ADAPTER_NOT_READY:
729 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
736 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
738 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
741 struct rndis_msg_hdr *header;
742 struct rndis_query *get;
743 struct rndis_query_c *get_c;
746 int resplen, respoffs, copylen;
748 buflen = *len + sizeof(*u.get);
749 if (buflen < CONTROL_BUFFER_SIZE)
750 buflen = CONTROL_BUFFER_SIZE;
752 if (buflen > COMMAND_BUFFER_SIZE) {
753 u.buf = kmalloc(buflen, GFP_KERNEL);
757 u.buf = priv->command_buffer;
760 mutex_lock(&priv->command_lock);
762 memset(u.get, 0, sizeof *u.get);
763 u.get->msg_type = RNDIS_MSG_QUERY;
764 u.get->msg_len = cpu_to_le32(sizeof *u.get);
767 priv->current_command_oid = oid;
768 ret = rndis_command(dev, u.header, buflen);
769 priv->current_command_oid = 0;
771 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
772 __func__, oid_to_string(oid), ret,
773 le32_to_cpu(u.get_c->status));
776 resplen = le32_to_cpu(u.get_c->len);
777 respoffs = le32_to_cpu(u.get_c->offset) + 8;
779 if (respoffs > buflen) {
780 /* Device returned data offset outside buffer, error. */
781 netdev_dbg(dev->net, "%s(%s): received invalid "
782 "data offset: %d > %d\n", __func__,
783 oid_to_string(oid), respoffs, buflen);
789 if ((resplen + respoffs) > buflen) {
790 /* Device would have returned more data if buffer would
791 * have been big enough. Copy just the bits that we got.
793 copylen = buflen - respoffs;
801 memcpy(data, u.buf + respoffs, copylen);
805 ret = rndis_error_status(u.get_c->status);
807 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
808 __func__, oid_to_string(oid),
809 le32_to_cpu(u.get_c->status), ret);
813 mutex_unlock(&priv->command_lock);
815 if (u.buf != priv->command_buffer)
820 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
822 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
825 struct rndis_msg_hdr *header;
826 struct rndis_set *set;
827 struct rndis_set_c *set_c;
831 buflen = len + sizeof(*u.set);
832 if (buflen < CONTROL_BUFFER_SIZE)
833 buflen = CONTROL_BUFFER_SIZE;
835 if (buflen > COMMAND_BUFFER_SIZE) {
836 u.buf = kmalloc(buflen, GFP_KERNEL);
840 u.buf = priv->command_buffer;
843 mutex_lock(&priv->command_lock);
845 memset(u.set, 0, sizeof *u.set);
846 u.set->msg_type = RNDIS_MSG_SET;
847 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
849 u.set->len = cpu_to_le32(len);
850 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
851 u.set->handle = cpu_to_le32(0);
852 memcpy(u.buf + sizeof(*u.set), data, len);
854 priv->current_command_oid = oid;
855 ret = rndis_command(dev, u.header, buflen);
856 priv->current_command_oid = 0;
858 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
859 __func__, oid_to_string(oid), ret,
860 le32_to_cpu(u.set_c->status));
863 ret = rndis_error_status(u.set_c->status);
866 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
867 __func__, oid_to_string(oid),
868 le32_to_cpu(u.set_c->status), ret);
871 mutex_unlock(&priv->command_lock);
873 if (u.buf != priv->command_buffer)
878 static int rndis_reset(struct usbnet *usbdev)
880 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
881 struct rndis_reset *reset;
884 mutex_lock(&priv->command_lock);
886 reset = (void *)priv->command_buffer;
887 memset(reset, 0, sizeof(*reset));
888 reset->msg_type = RNDIS_MSG_RESET;
889 reset->msg_len = cpu_to_le32(sizeof(*reset));
890 priv->current_command_oid = 0;
891 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
893 mutex_unlock(&priv->command_lock);
901 * Specs say that we can only set config parameters only soon after device
903 * value_type: 0 = u32, 2 = unicode string
905 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
906 int value_type, void *value)
908 struct ndis_config_param *infobuf;
909 int value_len, info_len, param_len, ret, i;
914 value_len = sizeof(__le32);
915 else if (value_type == 2)
916 value_len = strlen(value) * sizeof(__le16);
920 param_len = strlen(param) * sizeof(__le16);
921 info_len = sizeof(*infobuf) + param_len + value_len;
926 infobuf = kmalloc(info_len, GFP_KERNEL);
932 /* extra 12 bytes are for padding (debug output) */
933 memset(infobuf, 0xCC, info_len + 12);
937 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
940 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
941 param, *(u32 *)value);
943 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
944 infobuf->name_length = cpu_to_le32(param_len);
945 infobuf->type = cpu_to_le32(value_type);
946 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
947 infobuf->value_length = cpu_to_le32(value_len);
949 /* simple string to unicode string conversion */
950 unibuf = (void *)infobuf + sizeof(*infobuf);
951 for (i = 0; i < param_len / sizeof(__le16); i++)
952 unibuf[i] = cpu_to_le16(param[i]);
954 if (value_type == 2) {
955 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
956 for (i = 0; i < value_len / sizeof(__le16); i++)
957 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
959 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
960 *dst_value = cpu_to_le32(*(u32 *)value);
964 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
965 for (i = 0; i < info_len; i += 12) {
966 u32 *tmp = (u32 *)((u8 *)infobuf + i);
967 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
970 cpu_to_be32(tmp[2]));
974 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
977 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
984 static int rndis_set_config_parameter_str(struct usbnet *dev,
985 char *param, char *value)
987 return rndis_set_config_parameter(dev, param, 2, value);
991 * data conversion functions
993 static int level_to_qual(int level)
995 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
996 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
1002 static int set_infra_mode(struct usbnet *usbdev, int mode);
1003 static void restore_keys(struct usbnet *usbdev);
1004 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
1007 static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
1011 /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
1012 tmp = cpu_to_le32(1);
1013 return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1017 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
1019 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1022 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
1024 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
1028 memcpy(&priv->essid, ssid, sizeof(priv->essid));
1029 priv->radio_on = true;
1030 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
1036 static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1040 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1042 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1050 static int clear_bssid(struct usbnet *usbdev)
1052 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1054 return set_bssid(usbdev, broadcast_mac);
1057 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1062 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
1065 memset(bssid, 0, ETH_ALEN);
1070 static int get_association_info(struct usbnet *usbdev,
1071 struct ndis_80211_assoc_info *info, int len)
1073 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1077 static bool is_associated(struct usbnet *usbdev)
1079 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1083 if (!priv->radio_on)
1086 ret = get_bssid(usbdev, bssid);
1088 return (ret == 0 && !is_zero_ether_addr(bssid));
1091 static int disassociate(struct usbnet *usbdev, bool reset_ssid)
1093 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1094 struct ndis_80211_ssid ssid;
1097 if (priv->radio_on) {
1098 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1100 priv->radio_on = false;
1101 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1109 /* disassociate causes radio to be turned off; if reset_ssid
1110 * is given, set random ssid to enable radio */
1112 /* Set device to infrastructure mode so we don't get ad-hoc
1113 * 'media connect' indications with the random ssid.
1115 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1117 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1118 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1119 ssid.essid[0] = 0x1;
1120 ssid.essid[1] = 0xff;
1121 for (i = 2; i < sizeof(ssid.essid); i++)
1122 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1123 ret = set_essid(usbdev, &ssid);
1128 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1129 enum nl80211_auth_type auth_type, int keymgmt)
1131 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1135 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1136 __func__, wpa_version, auth_type, keymgmt);
1138 if (wpa_version & NL80211_WPA_VERSION_2) {
1139 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1140 auth_mode = NDIS_80211_AUTH_WPA2;
1142 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1143 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1144 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1145 auth_mode = NDIS_80211_AUTH_WPA;
1146 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1147 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1149 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1150 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1151 auth_mode = NDIS_80211_AUTH_SHARED;
1152 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1153 auth_mode = NDIS_80211_AUTH_OPEN;
1154 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1155 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1159 tmp = cpu_to_le32(auth_mode);
1160 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1163 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1168 priv->wpa_version = wpa_version;
1173 static int set_priv_filter(struct usbnet *usbdev)
1175 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1178 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1179 __func__, priv->wpa_version);
1181 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1182 priv->wpa_version & NL80211_WPA_VERSION_1)
1183 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1185 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1187 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1191 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1196 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1197 __func__, pairwise, groupwise);
1199 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1200 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1201 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1202 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1203 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1204 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1205 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1206 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1207 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1208 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1210 encr_mode = NDIS_80211_ENCR_DISABLED;
1212 tmp = cpu_to_le32(encr_mode);
1213 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1216 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1224 static int set_infra_mode(struct usbnet *usbdev, int mode)
1226 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1230 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1231 __func__, priv->infra_mode);
1233 tmp = cpu_to_le32(mode);
1234 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1237 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1242 /* NDIS drivers clear keys when infrastructure mode is
1243 * changed. But Linux tools assume otherwise. So set the
1245 restore_keys(usbdev);
1247 priv->infra_mode = mode;
1251 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1255 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
1257 if (rts_threshold < 0 || rts_threshold > 2347)
1258 rts_threshold = 2347;
1260 tmp = cpu_to_le32(rts_threshold);
1261 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1265 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1269 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
1271 if (frag_threshold < 256 || frag_threshold > 2346)
1272 frag_threshold = 2346;
1274 tmp = cpu_to_le32(frag_threshold);
1275 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1279 static void set_default_iw_params(struct usbnet *usbdev)
1281 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1282 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1283 RNDIS_WLAN_KEY_MGMT_NONE);
1284 set_priv_filter(usbdev);
1285 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1288 static int deauthenticate(struct usbnet *usbdev)
1292 ret = disassociate(usbdev, true);
1293 set_default_iw_params(usbdev);
1297 static int set_channel(struct usbnet *usbdev, int channel)
1299 struct ndis_80211_conf config;
1300 unsigned int dsconfig;
1303 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
1305 /* this OID is valid only when not associated */
1306 if (is_associated(usbdev))
1309 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1311 len = sizeof(config);
1312 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1314 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1319 config.ds_config = cpu_to_le32(dsconfig);
1320 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1323 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
1328 /* index must be 0 - N, as per NDIS */
1329 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1332 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1333 struct ndis_80211_wep_key ndis_key;
1337 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1338 __func__, index, key_len);
1340 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1344 cipher = WLAN_CIPHER_SUITE_WEP40;
1346 cipher = WLAN_CIPHER_SUITE_WEP104;
1348 memset(&ndis_key, 0, sizeof(ndis_key));
1350 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1351 ndis_key.length = cpu_to_le32(key_len);
1352 ndis_key.index = cpu_to_le32(index);
1353 memcpy(&ndis_key.material, key, key_len);
1355 if (index == priv->encr_tx_key_index) {
1356 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1357 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1358 RNDIS_WLAN_ALG_NONE);
1360 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1364 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1367 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1372 priv->encr_keys[index].len = key_len;
1373 priv->encr_keys[index].cipher = cipher;
1374 memcpy(&priv->encr_keys[index].material, key, key_len);
1375 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1380 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1381 int index, const u8 *addr, const u8 *rx_seq,
1382 int seq_len, u32 cipher, __le32 flags)
1384 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1385 struct ndis_80211_key ndis_key;
1389 if (index < 0 || index >= 4) {
1390 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1394 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1395 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1399 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1400 if (!rx_seq || seq_len <= 0) {
1401 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1405 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1406 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
1411 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1412 !is_broadcast_ether_addr(addr);
1413 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1414 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1419 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1421 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1422 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1423 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1425 memset(&ndis_key, 0, sizeof(ndis_key));
1427 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1428 sizeof(ndis_key.material) + key_len);
1429 ndis_key.length = cpu_to_le32(key_len);
1430 ndis_key.index = cpu_to_le32(index) | flags;
1432 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1433 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1434 * different order than NDIS spec, so swap the order here. */
1435 memcpy(ndis_key.material, key, 16);
1436 memcpy(ndis_key.material + 16, key + 24, 8);
1437 memcpy(ndis_key.material + 24, key + 16, 8);
1439 memcpy(ndis_key.material, key, key_len);
1441 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1442 memcpy(ndis_key.rsc, rx_seq, seq_len);
1444 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1446 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1449 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1450 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1452 get_bssid(usbdev, ndis_key.bssid);
1455 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1456 le32_to_cpu(ndis_key.size));
1457 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1462 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1463 priv->encr_keys[index].len = key_len;
1464 priv->encr_keys[index].cipher = cipher;
1465 memcpy(&priv->encr_keys[index].material, key, key_len);
1466 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1467 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1469 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1471 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1472 priv->encr_tx_key_index = index;
1477 static int restore_key(struct usbnet *usbdev, int key_idx)
1479 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1480 struct rndis_wlan_encr_key key;
1482 if (is_wpa_key(priv, key_idx))
1485 key = priv->encr_keys[key_idx];
1487 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
1492 return add_wep_key(usbdev, key.material, key.len, key_idx);
1495 static void restore_keys(struct usbnet *usbdev)
1499 for (i = 0; i < 4; i++)
1500 restore_key(usbdev, i);
1503 static void clear_key(struct rndis_wlan_private *priv, int idx)
1505 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1508 /* remove_key is for both wep and wpa */
1509 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1511 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1512 struct ndis_80211_remove_key remove_key;
1517 if (priv->encr_keys[index].len == 0)
1520 is_wpa = is_wpa_key(priv, index);
1522 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1523 __func__, index, is_wpa ? "wpa" : "wep",
1524 priv->encr_keys[index].len);
1526 clear_key(priv, index);
1529 remove_key.size = cpu_to_le32(sizeof(remove_key));
1530 remove_key.index = cpu_to_le32(index);
1533 if (!is_broadcast_ether_addr(bssid))
1535 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1536 memcpy(remove_key.bssid, bssid,
1537 sizeof(remove_key.bssid));
1539 memset(remove_key.bssid, 0xff,
1540 sizeof(remove_key.bssid));
1542 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1543 sizeof(remove_key));
1547 keyindex = cpu_to_le32(index);
1548 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1551 netdev_warn(usbdev->net,
1552 "removing encryption key %d failed (%08X)\n",
1558 /* if it is transmit key, disable encryption */
1559 if (index == priv->encr_tx_key_index)
1560 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1565 static void set_multicast_list(struct usbnet *usbdev)
1567 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1568 struct netdev_hw_addr *ha;
1569 __le32 filter, basefilter;
1571 char *mc_addrs = NULL;
1574 basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
1575 RNDIS_PACKET_TYPE_BROADCAST;
1577 if (usbdev->net->flags & IFF_PROMISC) {
1578 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1579 RNDIS_PACKET_TYPE_ALL_LOCAL;
1580 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1581 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1584 if (filter != basefilter)
1588 * mc_list should be accessed holding the lock, so copy addresses to
1589 * local buffer first.
1591 netif_addr_lock_bh(usbdev->net);
1592 mc_count = netdev_mc_count(usbdev->net);
1593 if (mc_count > priv->multicast_size) {
1594 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1595 } else if (mc_count) {
1598 mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
1600 netdev_warn(usbdev->net,
1601 "couldn't alloc %d bytes of memory\n",
1602 mc_count * ETH_ALEN);
1603 netif_addr_unlock_bh(usbdev->net);
1607 netdev_for_each_mc_addr(ha, usbdev->net)
1608 memcpy(mc_addrs + i++ * ETH_ALEN,
1609 ha->addr, ETH_ALEN);
1611 netif_addr_unlock_bh(usbdev->net);
1613 if (filter != basefilter)
1617 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
1618 mc_count * ETH_ALEN);
1621 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1623 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1625 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1626 mc_count, priv->multicast_size, ret);
1630 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1633 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1634 le32_to_cpu(filter));
1637 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1638 le32_to_cpu(filter), ret);
1642 static void debug_print_pmkids(struct usbnet *usbdev,
1643 struct ndis_80211_pmkid *pmkids,
1644 const char *func_str)
1646 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1647 int i, len, count, max_pmkids, entry_len;
1649 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1650 len = le32_to_cpu(pmkids->length);
1651 count = le32_to_cpu(pmkids->bssid_info_count);
1653 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1655 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1656 "%d)\n", func_str, count, len, entry_len);
1658 if (count > max_pmkids)
1661 for (i = 0; i < count; i++) {
1662 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1664 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1665 "pmkid: %08X:%08X:%08X:%08X\n",
1666 func_str, pmkids->bssid_info[i].bssid,
1667 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1668 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1672 static void debug_print_pmkids(struct usbnet *usbdev,
1673 struct ndis_80211_pmkid *pmkids,
1674 const char *func_str)
1680 static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1682 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1683 struct ndis_80211_pmkid *pmkids;
1684 int len, ret, max_pmkids;
1686 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1687 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1689 pmkids = kzalloc(len, GFP_KERNEL);
1691 return ERR_PTR(-ENOMEM);
1693 pmkids->length = cpu_to_le32(len);
1694 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1696 ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len);
1698 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)"
1699 " -> %d\n", __func__, len, max_pmkids, ret);
1702 return ERR_PTR(ret);
1705 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1706 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1708 debug_print_pmkids(usbdev, pmkids, __func__);
1713 static int set_device_pmkids(struct usbnet *usbdev,
1714 struct ndis_80211_pmkid *pmkids)
1716 int ret, len, num_pmkids;
1718 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1719 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1720 pmkids->length = cpu_to_le32(len);
1722 debug_print_pmkids(usbdev, pmkids, __func__);
1724 ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids,
1725 le32_to_cpu(pmkids->length));
1727 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d"
1728 "\n", __func__, len, num_pmkids, ret);
1735 static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1736 struct ndis_80211_pmkid *pmkids,
1737 struct cfg80211_pmksa *pmksa,
1740 int i, len, count, newlen, err;
1742 len = le32_to_cpu(pmkids->length);
1743 count = le32_to_cpu(pmkids->bssid_info_count);
1745 if (count > max_pmkids)
1748 for (i = 0; i < count; i++)
1749 if (!compare_ether_addr(pmkids->bssid_info[i].bssid,
1753 /* pmkid not found */
1755 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1756 __func__, pmksa->bssid);
1761 for (; i + 1 < count; i++)
1762 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1765 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1767 pmkids->length = cpu_to_le32(newlen);
1768 pmkids->bssid_info_count = cpu_to_le32(count);
1773 return ERR_PTR(err);
1776 static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1777 struct ndis_80211_pmkid *pmkids,
1778 struct cfg80211_pmksa *pmksa,
1781 int i, err, len, count, newlen;
1783 len = le32_to_cpu(pmkids->length);
1784 count = le32_to_cpu(pmkids->bssid_info_count);
1786 if (count > max_pmkids)
1789 /* update with new pmkid */
1790 for (i = 0; i < count; i++) {
1791 if (compare_ether_addr(pmkids->bssid_info[i].bssid,
1795 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1801 /* out of space, return error */
1802 if (i == max_pmkids) {
1803 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1809 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1811 pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1817 pmkids->length = cpu_to_le32(newlen);
1818 pmkids->bssid_info_count = cpu_to_le32(count + 1);
1820 memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
1821 memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
1826 return ERR_PTR(err);
1832 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1833 struct net_device *dev,
1834 enum nl80211_iftype type, u32 *flags,
1835 struct vif_params *params)
1837 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1838 struct usbnet *usbdev = priv->usbdev;
1842 case NL80211_IFTYPE_ADHOC:
1843 mode = NDIS_80211_INFRA_ADHOC;
1845 case NL80211_IFTYPE_STATION:
1846 mode = NDIS_80211_INFRA_INFRA;
1852 priv->wdev.iftype = type;
1854 return set_infra_mode(usbdev, mode);
1857 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1859 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1860 struct usbnet *usbdev = priv->usbdev;
1863 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1864 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1869 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1870 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1878 static int rndis_set_tx_power(struct wiphy *wiphy,
1879 enum nl80211_tx_power_setting type,
1882 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1883 struct usbnet *usbdev = priv->usbdev;
1885 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1886 __func__, type, mbm);
1888 if (mbm < 0 || (mbm % 100))
1891 /* Device doesn't support changing txpower after initialization, only
1892 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1895 if (type == NL80211_TX_POWER_AUTOMATIC ||
1896 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
1897 if (!priv->radio_on)
1898 disassociate(usbdev, true); /* turn on radio */
1906 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1908 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1909 struct usbnet *usbdev = priv->usbdev;
1911 *dbm = get_bcm4320_power_dbm(priv);
1913 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
1918 #define SCAN_DELAY_JIFFIES (6 * HZ)
1919 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1920 struct cfg80211_scan_request *request)
1922 struct usbnet *usbdev = netdev_priv(dev);
1923 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1925 int delay = SCAN_DELAY_JIFFIES;
1927 netdev_dbg(usbdev->net, "cfg80211.scan\n");
1929 /* Get current bssid list from device before new scan, as new scan
1930 * clears internal bssid list.
1932 rndis_check_bssid_list(usbdev, NULL, NULL);
1937 if (priv->scan_request && priv->scan_request != request)
1940 priv->scan_request = request;
1942 ret = rndis_start_bssid_list_scan(usbdev);
1944 if (priv->device_type == RNDIS_BCM4320A)
1947 /* Wait before retrieving scan results from device */
1948 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
1954 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1955 struct ndis_80211_bssid_ex *bssid)
1957 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1958 struct ieee80211_channel *channel;
1962 u16 beacon_interval;
1963 struct ndis_80211_fixed_ies *fixed;
1964 int ie_len, bssid_len;
1967 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM]\n",
1968 bssid->ssid.essid, bssid->mac);
1970 /* parse bssid structure */
1971 bssid_len = le32_to_cpu(bssid->length);
1973 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1974 sizeof(struct ndis_80211_fixed_ies))
1977 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1979 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1980 ie_len = min(bssid_len - (int)sizeof(*bssid),
1981 (int)le32_to_cpu(bssid->ie_length));
1982 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1986 /* extract data for cfg80211_inform_bss */
1987 channel = ieee80211_get_channel(priv->wdev.wiphy,
1988 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1992 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1993 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1994 capability = le16_to_cpu(fixed->capabilities);
1995 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1997 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1998 timestamp, capability, beacon_interval, ie, ie_len, signal,
2002 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2006 struct ndis_80211_bssid_list_ex *bssid_list;
2007 struct ndis_80211_bssid_ex *bssid;
2008 int ret = -EINVAL, len, count, bssid_len;
2009 bool resized = false;
2011 netdev_dbg(usbdev->net, "check_bssid_list\n");
2013 len = CONTROL_BUFFER_SIZE;
2015 buf = kmalloc(len, GFP_KERNEL);
2021 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2025 if (!resized && len > CONTROL_BUFFER_SIZE) {
2032 bssid = bssid_list->bssid;
2033 bssid_len = le32_to_cpu(bssid->length);
2034 count = le32_to_cpu(bssid_list->num_items);
2035 netdev_dbg(usbdev->net, "check_bssid_list: %d BSSIDs found (buflen: %d)\n",
2038 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
2039 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2041 if (compare_ether_addr(bssid->mac, match_bssid))
2045 bssid = (void *)bssid + bssid_len;
2046 bssid_len = le32_to_cpu(bssid->length);
2055 static void rndis_get_scan_results(struct work_struct *work)
2057 struct rndis_wlan_private *priv =
2058 container_of(work, struct rndis_wlan_private, scan_work.work);
2059 struct usbnet *usbdev = priv->usbdev;
2062 netdev_dbg(usbdev->net, "get_scan_results\n");
2064 if (!priv->scan_request)
2067 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
2069 cfg80211_scan_done(priv->scan_request, ret < 0);
2071 priv->scan_request = NULL;
2074 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2075 struct cfg80211_connect_params *sme)
2077 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2078 struct usbnet *usbdev = priv->usbdev;
2079 struct ieee80211_channel *channel = sme->channel;
2080 struct ndis_80211_ssid ssid;
2081 int pairwise = RNDIS_WLAN_ALG_NONE;
2082 int groupwise = RNDIS_WLAN_ALG_NONE;
2083 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2084 int length, i, ret, chan = -1;
2087 chan = ieee80211_frequency_to_channel(channel->center_freq);
2089 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2090 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2092 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2094 if (sme->crypto.n_ciphers_pairwise > 0 &&
2095 pairwise == RNDIS_WLAN_ALG_NONE) {
2096 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
2100 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2102 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2104 if (sme->crypto.n_akm_suites > 0 &&
2105 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
2106 netdev_err(usbdev->net, "Invalid keymgmt\n");
2110 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2111 sme->ssid, sme->bssid, chan,
2112 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2113 groupwise, pairwise, keymgmt);
2115 if (is_associated(usbdev))
2116 disassociate(usbdev, false);
2118 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2120 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2122 goto err_turn_radio_on;
2125 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2128 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2130 goto err_turn_radio_on;
2133 set_priv_filter(usbdev);
2135 ret = set_encr_mode(usbdev, pairwise, groupwise);
2137 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2139 goto err_turn_radio_on;
2143 ret = set_channel(usbdev, chan);
2145 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2147 goto err_turn_radio_on;
2151 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2152 priv->encr_tx_key_index = sme->key_idx;
2153 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2155 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2156 ret, sme->key_len, sme->key_idx);
2157 goto err_turn_radio_on;
2161 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2162 !is_broadcast_ether_addr(sme->bssid)) {
2163 ret = set_bssid(usbdev, sme->bssid);
2165 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2167 goto err_turn_radio_on;
2170 clear_bssid(usbdev);
2172 length = sme->ssid_len;
2173 if (length > NDIS_802_11_LENGTH_SSID)
2174 length = NDIS_802_11_LENGTH_SSID;
2176 memset(&ssid, 0, sizeof(ssid));
2177 ssid.length = cpu_to_le32(length);
2178 memcpy(ssid.essid, sme->ssid, length);
2180 /* Pause and purge rx queue, so we don't pass packets before
2181 * 'media connect'-indication.
2183 usbnet_pause_rx(usbdev);
2184 usbnet_purge_paused_rxq(usbdev);
2186 ret = set_essid(usbdev, &ssid);
2188 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
2192 disassociate(usbdev, true);
2197 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2200 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2201 struct usbnet *usbdev = priv->usbdev;
2203 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
2205 priv->connected = false;
2206 memset(priv->bssid, 0, ETH_ALEN);
2208 return deauthenticate(usbdev);
2211 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2212 struct cfg80211_ibss_params *params)
2214 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2215 struct usbnet *usbdev = priv->usbdev;
2216 struct ieee80211_channel *channel = params->channel;
2217 struct ndis_80211_ssid ssid;
2218 enum nl80211_auth_type auth_type;
2219 int ret, alg, length, chan = -1;
2222 chan = ieee80211_frequency_to_channel(channel->center_freq);
2224 /* TODO: How to handle ad-hoc encryption?
2225 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2226 * pre-shared for encryption (open/shared/wpa), is key set before
2227 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2229 if (params->privacy) {
2230 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2231 alg = RNDIS_WLAN_ALG_WEP;
2233 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2234 alg = RNDIS_WLAN_ALG_NONE;
2237 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2238 params->ssid, params->bssid, chan, params->privacy);
2240 if (is_associated(usbdev))
2241 disassociate(usbdev, false);
2243 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2245 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2247 goto err_turn_radio_on;
2250 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2252 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2254 goto err_turn_radio_on;
2257 set_priv_filter(usbdev);
2259 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2261 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2263 goto err_turn_radio_on;
2267 ret = set_channel(usbdev, chan);
2269 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2271 goto err_turn_radio_on;
2275 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2276 !is_broadcast_ether_addr(params->bssid)) {
2277 ret = set_bssid(usbdev, params->bssid);
2279 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2281 goto err_turn_radio_on;
2284 clear_bssid(usbdev);
2286 length = params->ssid_len;
2287 if (length > NDIS_802_11_LENGTH_SSID)
2288 length = NDIS_802_11_LENGTH_SSID;
2290 memset(&ssid, 0, sizeof(ssid));
2291 ssid.length = cpu_to_le32(length);
2292 memcpy(ssid.essid, params->ssid, length);
2294 /* Don't need to pause rx queue for ad-hoc. */
2295 usbnet_purge_paused_rxq(usbdev);
2296 usbnet_resume_rx(usbdev);
2298 ret = set_essid(usbdev, &ssid);
2300 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2305 disassociate(usbdev, true);
2310 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2312 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2313 struct usbnet *usbdev = priv->usbdev;
2315 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
2317 priv->connected = false;
2318 memset(priv->bssid, 0, ETH_ALEN);
2320 return deauthenticate(usbdev);
2323 static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev,
2324 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2326 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2327 struct usbnet *usbdev = priv->usbdev;
2329 return set_channel(usbdev,
2330 ieee80211_frequency_to_channel(chan->center_freq));
2333 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2334 u8 key_index, bool pairwise, const u8 *mac_addr,
2335 struct key_params *params)
2337 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2338 struct usbnet *usbdev = priv->usbdev;
2341 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2342 __func__, key_index, mac_addr, params->cipher);
2344 switch (params->cipher) {
2345 case WLAN_CIPHER_SUITE_WEP40:
2346 case WLAN_CIPHER_SUITE_WEP104:
2347 return add_wep_key(usbdev, params->key, params->key_len,
2349 case WLAN_CIPHER_SUITE_TKIP:
2350 case WLAN_CIPHER_SUITE_CCMP:
2353 if (params->seq && params->seq_len > 0)
2354 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2356 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2357 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2359 return add_wpa_key(usbdev, params->key, params->key_len,
2360 key_index, mac_addr, params->seq,
2361 params->seq_len, params->cipher, flags);
2363 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2364 __func__, params->cipher);
2369 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2370 u8 key_index, bool pairwise, const u8 *mac_addr)
2372 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2373 struct usbnet *usbdev = priv->usbdev;
2375 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
2377 return remove_key(usbdev, key_index, mac_addr);
2380 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2383 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2384 struct usbnet *usbdev = priv->usbdev;
2385 struct rndis_wlan_encr_key key;
2387 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
2389 priv->encr_tx_key_index = key_index;
2391 key = priv->encr_keys[key_index];
2393 return add_wep_key(usbdev, key.material, key.len, key_index);
2396 static void rndis_fill_station_info(struct usbnet *usbdev,
2397 struct station_info *sinfo)
2399 __le32 linkspeed, rssi;
2402 memset(sinfo, 0, sizeof(*sinfo));
2404 len = sizeof(linkspeed);
2405 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2407 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2408 sinfo->filled |= STATION_INFO_TX_BITRATE;
2412 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2414 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2415 sinfo->filled |= STATION_INFO_SIGNAL;
2419 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2420 u8 *mac, struct station_info *sinfo)
2422 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2423 struct usbnet *usbdev = priv->usbdev;
2425 if (compare_ether_addr(priv->bssid, mac))
2428 rndis_fill_station_info(usbdev, sinfo);
2433 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2434 int idx, u8 *mac, struct station_info *sinfo)
2436 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2437 struct usbnet *usbdev = priv->usbdev;
2442 memcpy(mac, priv->bssid, ETH_ALEN);
2444 rndis_fill_station_info(usbdev, sinfo);
2449 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2450 struct cfg80211_pmksa *pmksa)
2452 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2453 struct usbnet *usbdev = priv->usbdev;
2454 struct ndis_80211_pmkid *pmkids;
2455 u32 *tmp = (u32 *)pmksa->pmkid;
2457 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2459 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2460 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2462 pmkids = get_device_pmkids(usbdev);
2463 if (IS_ERR(pmkids)) {
2464 /* couldn't read PMKID cache from device */
2465 return PTR_ERR(pmkids);
2468 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2469 if (IS_ERR(pmkids)) {
2470 /* not found, list full, etc */
2471 return PTR_ERR(pmkids);
2474 return set_device_pmkids(usbdev, pmkids);
2477 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2478 struct cfg80211_pmksa *pmksa)
2480 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2481 struct usbnet *usbdev = priv->usbdev;
2482 struct ndis_80211_pmkid *pmkids;
2483 u32 *tmp = (u32 *)pmksa->pmkid;
2485 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2487 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2488 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2490 pmkids = get_device_pmkids(usbdev);
2491 if (IS_ERR(pmkids)) {
2492 /* Couldn't read PMKID cache from device */
2493 return PTR_ERR(pmkids);
2496 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2497 if (IS_ERR(pmkids)) {
2498 /* not found, etc */
2499 return PTR_ERR(pmkids);
2502 return set_device_pmkids(usbdev, pmkids);
2505 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2507 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2508 struct usbnet *usbdev = priv->usbdev;
2509 struct ndis_80211_pmkid pmkid;
2511 netdev_dbg(usbdev->net, "%s()\n", __func__);
2513 memset(&pmkid, 0, sizeof(pmkid));
2515 pmkid.length = cpu_to_le32(sizeof(pmkid));
2516 pmkid.bssid_info_count = cpu_to_le32(0);
2518 return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid));
2521 static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2522 struct ndis_80211_assoc_info *info)
2524 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2525 struct ieee80211_channel *channel;
2526 struct ndis_80211_conf config;
2527 struct ndis_80211_ssid ssid;
2531 u16 beacon_interval;
2534 int len, ret, ie_len;
2536 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2539 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2540 signal = level_to_qual(le32_to_cpu(rssi));
2542 netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, "
2543 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2544 level_to_qual(le32_to_cpu(rssi)));
2546 /* Get AP capabilities */
2548 capability = le16_to_cpu(info->resp_ie.capa);
2550 /* Set atleast ESS/IBSS capability */
2551 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2552 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2555 /* Get channel and beacon interval */
2556 len = sizeof(config);
2557 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2558 netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
2561 beacon_interval = le16_to_cpu(config.beacon_period);
2562 channel = ieee80211_get_channel(priv->wdev.wiphy,
2563 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
2565 netdev_warn(usbdev->net, "%s(): could not get channel."
2570 netdev_warn(usbdev->net, "%s(): could not get configuration.\n",
2575 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2577 memset(&ssid, 0, sizeof(ssid));
2578 ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len);
2579 netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: "
2580 "'%.32s'\n", __func__, ret,
2581 le32_to_cpu(ssid.length), ssid.essid);
2583 if (le32_to_cpu(ssid.length) > 32)
2584 ssid.length = cpu_to_le32(32);
2586 ie_buf[0] = WLAN_EID_SSID;
2587 ie_buf[1] = le32_to_cpu(ssid.length);
2588 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2590 ie_len = le32_to_cpu(ssid.length) + 2;
2595 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2596 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2597 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
2598 bssid, (u32)timestamp, capability, beacon_interval, ie_len,
2599 ssid.essid, signal);
2601 cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
2602 timestamp, capability, beacon_interval, ie_buf, ie_len,
2603 signal, GFP_KERNEL);
2607 * workers, indication handlers, device poller
2609 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2611 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2612 struct ndis_80211_assoc_info *info = NULL;
2614 int resp_ie_len, req_ie_len;
2615 u8 *req_ie, *resp_ie;
2617 bool roamed = false;
2620 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2621 /* received media connect indication while connected, either
2622 * device reassociated with same AP or roamed to new. */
2631 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2632 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2634 /* No memory? Try resume work later */
2635 set_bit(WORK_LINK_UP, &priv->work_pending);
2636 queue_work(priv->workqueue, &priv->work);
2640 /* Get association info IEs from device. */
2641 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
2643 req_ie_len = le32_to_cpu(info->req_ie_length);
2644 if (req_ie_len > 0) {
2645 offset = le32_to_cpu(info->offset_req_ies);
2647 if (offset > CONTROL_BUFFER_SIZE)
2648 offset = CONTROL_BUFFER_SIZE;
2650 req_ie = (u8 *)info + offset;
2652 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2654 CONTROL_BUFFER_SIZE - offset;
2657 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2658 if (resp_ie_len > 0) {
2659 offset = le32_to_cpu(info->offset_resp_ies);
2661 if (offset > CONTROL_BUFFER_SIZE)
2662 offset = CONTROL_BUFFER_SIZE;
2664 resp_ie = (u8 *)info + offset;
2666 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2668 CONTROL_BUFFER_SIZE - offset;
2671 /* Since rndis_wlan_craft_connected_bss() might use info
2672 * later and expects info to contain valid data if
2673 * non-null, free info and set NULL here.
2678 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2681 ret = get_bssid(usbdev, bssid);
2683 memset(bssid, 0, sizeof(bssid));
2685 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2686 bssid, roamed ? " roamed" : "");
2688 /* Internal bss list in device should contain at least the currently
2689 * connected bss and we can get it to cfg80211 with
2690 * rndis_check_bssid_list().
2692 * NDIS spec says: "If the device is associated, but the associated
2693 * BSSID is not in its BSSID scan list, then the driver must add an
2694 * entry for the BSSID at the end of the data that it returns in
2695 * response to query of OID_802_11_BSSID_LIST."
2697 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
2700 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2702 if (!is_zero_ether_addr(bssid) && !match_bss) {
2703 /* Couldn't get bss from device, we need to manually craft bss
2706 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2709 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2711 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2712 req_ie_len, resp_ie,
2713 resp_ie_len, 0, GFP_KERNEL);
2715 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2716 resp_ie, resp_ie_len, GFP_KERNEL);
2717 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2718 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2723 priv->connected = true;
2724 memcpy(priv->bssid, bssid, ETH_ALEN);
2726 usbnet_resume_rx(usbdev);
2727 netif_carrier_on(usbdev->net);
2730 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2732 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2734 if (priv->connected) {
2735 priv->connected = false;
2736 memset(priv->bssid, 0, ETH_ALEN);
2738 deauthenticate(usbdev);
2740 cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
2743 netif_carrier_off(usbdev->net);
2746 static void rndis_wlan_worker(struct work_struct *work)
2748 struct rndis_wlan_private *priv =
2749 container_of(work, struct rndis_wlan_private, work);
2750 struct usbnet *usbdev = priv->usbdev;
2752 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2753 rndis_wlan_do_link_up_work(usbdev);
2755 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2756 rndis_wlan_do_link_down_work(usbdev);
2758 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2759 set_multicast_list(usbdev);
2762 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2764 struct usbnet *usbdev = netdev_priv(dev);
2765 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2767 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2770 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2771 queue_work(priv->workqueue, &priv->work);
2774 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2775 struct ndis_80211_status_indication *indication,
2780 int flags, buflen, key_id;
2781 bool pairwise_error, group_error;
2782 struct ndis_80211_auth_request *auth_req;
2783 enum nl80211_key_type key_type;
2785 /* must have at least one array entry */
2786 if (len < offsetof(struct ndis_80211_status_indication, u) +
2787 sizeof(struct ndis_80211_auth_request)) {
2788 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2793 buf = (void *)&indication->u.auth_request[0];
2794 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2796 while (buflen >= sizeof(*auth_req)) {
2797 auth_req = (void *)buf;
2799 flags = le32_to_cpu(auth_req->flags);
2800 pairwise_error = false;
2801 group_error = false;
2804 type = "reauth request";
2806 type = "key update request";
2808 pairwise_error = true;
2809 type = "pairwise_error";
2813 type = "group_error";
2816 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2817 type, le32_to_cpu(auth_req->flags));
2819 if (pairwise_error) {
2820 key_type = NL80211_KEYTYPE_PAIRWISE;
2823 cfg80211_michael_mic_failure(usbdev->net,
2825 key_type, key_id, NULL,
2830 key_type = NL80211_KEYTYPE_GROUP;
2833 cfg80211_michael_mic_failure(usbdev->net,
2835 key_type, key_id, NULL,
2839 buflen -= le32_to_cpu(auth_req->length);
2840 buf += le32_to_cpu(auth_req->length);
2844 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2845 struct ndis_80211_status_indication *indication,
2848 struct ndis_80211_pmkid_cand_list *cand_list;
2849 int list_len, expected_len, i;
2851 if (len < offsetof(struct ndis_80211_status_indication, u) +
2852 sizeof(struct ndis_80211_pmkid_cand_list)) {
2853 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2858 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2859 sizeof(struct ndis_80211_pmkid_candidate);
2860 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2861 offsetof(struct ndis_80211_status_indication, u);
2863 if (len < expected_len) {
2864 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2869 cand_list = &indication->u.cand_list;
2871 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
2872 le32_to_cpu(cand_list->version),
2873 le32_to_cpu(cand_list->num_candidates));
2875 if (le32_to_cpu(cand_list->version) != 1)
2878 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2879 struct ndis_80211_pmkid_candidate *cand =
2880 &cand_list->candidate_list[i];
2882 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
2883 i, le32_to_cpu(cand->flags), cand->bssid);
2886 struct iw_pmkid_cand pcand;
2887 union iwreq_data wrqu;
2889 memset(&pcand, 0, sizeof(pcand));
2890 if (le32_to_cpu(cand->flags) & 0x01)
2891 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2893 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2895 memset(&wrqu, 0, sizeof(wrqu));
2896 wrqu.data.length = sizeof(pcand);
2897 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2903 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2904 struct rndis_indicate *msg, int buflen)
2906 struct ndis_80211_status_indication *indication;
2909 offset = offsetof(struct rndis_indicate, status) +
2910 le32_to_cpu(msg->offset);
2911 len = le32_to_cpu(msg->length);
2914 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
2919 if (offset + len > buflen) {
2920 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
2921 offset + len, buflen);
2925 indication = (void *)((u8 *)msg + offset);
2927 switch (le32_to_cpu(indication->status_type)) {
2928 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2929 netdev_info(usbdev->net, "radio state indication: %i\n",
2930 le32_to_cpu(indication->u.radio_status));
2933 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2934 netdev_info(usbdev->net, "media stream mode indication: %i\n",
2935 le32_to_cpu(indication->u.media_stream_mode));
2938 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2939 rndis_wlan_auth_indication(usbdev, indication, len);
2942 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2943 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2947 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
2948 le32_to_cpu(indication->status_type));
2952 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2954 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2955 struct rndis_indicate *msg = ind;
2957 switch (msg->status) {
2958 case RNDIS_STATUS_MEDIA_CONNECT:
2959 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2960 /* OID_802_11_ADD_KEY causes sometimes extra
2961 * "media connect" indications which confuses driver
2962 * and userspace to think that device is
2963 * roaming/reassociating when it isn't.
2965 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
2969 usbnet_pause_rx(usbdev);
2971 netdev_info(usbdev->net, "media connect\n");
2973 /* queue work to avoid recursive calls into rndis_command */
2974 set_bit(WORK_LINK_UP, &priv->work_pending);
2975 queue_work(priv->workqueue, &priv->work);
2978 case RNDIS_STATUS_MEDIA_DISCONNECT:
2979 netdev_info(usbdev->net, "media disconnect\n");
2981 /* queue work to avoid recursive calls into rndis_command */
2982 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2983 queue_work(priv->workqueue, &priv->work);
2986 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2987 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2991 netdev_info(usbdev->net, "indication: 0x%08x\n",
2992 le32_to_cpu(msg->status));
2997 static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
3002 } networks_supported;
3003 struct ndis_80211_capability *caps;
3004 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
3005 int len, retval, i, n;
3006 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3008 /* determine supported modes */
3009 len = sizeof(networks_supported);
3010 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
3011 &networks_supported, &len);
3013 n = le32_to_cpu(networks_supported.num_items);
3016 for (i = 0; i < n; i++) {
3017 switch (le32_to_cpu(networks_supported.items[i])) {
3018 case NDIS_80211_TYPE_FREQ_HOP:
3019 case NDIS_80211_TYPE_DIRECT_SEQ:
3020 priv->caps |= CAP_MODE_80211B;
3022 case NDIS_80211_TYPE_OFDM_A:
3023 priv->caps |= CAP_MODE_80211A;
3025 case NDIS_80211_TYPE_OFDM_G:
3026 priv->caps |= CAP_MODE_80211G;
3032 /* get device 802.11 capabilities, number of PMKIDs */
3033 caps = (struct ndis_80211_capability *)caps_buf;
3034 len = sizeof(caps_buf);
3035 retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len);
3037 netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, "
3038 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3039 le32_to_cpu(caps->length),
3040 le32_to_cpu(caps->version),
3041 le32_to_cpu(caps->num_pmkids),
3042 le32_to_cpu(caps->num_auth_encr_pair));
3043 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3045 wiphy->max_num_pmkids = 0;
3050 #define DEVICE_POLLER_JIFFIES (HZ)
3051 static void rndis_device_poller(struct work_struct *work)
3053 struct rndis_wlan_private *priv =
3054 container_of(work, struct rndis_wlan_private,
3055 dev_poller_work.work);
3056 struct usbnet *usbdev = priv->usbdev;
3059 int update_jiffies = DEVICE_POLLER_JIFFIES;
3062 /* Only check/do workaround when connected. Calling is_associated()
3063 * also polls device with rndis_command() and catches for media link
3066 if (!is_associated(usbdev)) {
3067 /* Workaround bad scanning in BCM4320a devices with active
3068 * background scanning when not associated.
3070 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3071 !priv->scan_request) {
3072 /* Get previous scan results */
3073 rndis_check_bssid_list(usbdev, NULL, NULL);
3075 /* Initiate new scan */
3076 rndis_start_bssid_list_scan(usbdev);
3083 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
3085 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
3087 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3088 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
3090 /* Workaround transfer stalls on poor quality links.
3091 * TODO: find right way to fix these stalls (as stalls do not happen
3092 * with ndiswrapper/windows driver). */
3093 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
3094 /* Decrease stats worker interval to catch stalls.
3095 * faster. Faster than 400-500ms causes packet loss,
3096 * Slower doesn't catch stalls fast enough.
3098 j = msecs_to_jiffies(priv->param_workaround_interval);
3099 if (j > DEVICE_POLLER_JIFFIES)
3100 j = DEVICE_POLLER_JIFFIES;
3105 /* Send scan OID. Use of both OIDs is required to get device
3108 tmp = cpu_to_le32(1);
3109 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3112 len = CONTROL_BUFFER_SIZE;
3113 buf = kmalloc(len, GFP_KERNEL);
3117 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3122 if (update_jiffies >= HZ)
3123 update_jiffies = round_jiffies_relative(update_jiffies);
3125 j = round_jiffies_relative(update_jiffies);
3126 if (abs(j - update_jiffies) <= 10)
3130 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3135 * driver/device initialization
3137 static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
3139 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3141 priv->device_type = device_type;
3143 priv->param_country[0] = modparam_country[0];
3144 priv->param_country[1] = modparam_country[1];
3145 priv->param_country[2] = 0;
3146 priv->param_frameburst = modparam_frameburst;
3147 priv->param_afterburner = modparam_afterburner;
3148 priv->param_power_save = modparam_power_save;
3149 priv->param_power_output = modparam_power_output;
3150 priv->param_roamtrigger = modparam_roamtrigger;
3151 priv->param_roamdelta = modparam_roamdelta;
3153 priv->param_country[0] = toupper(priv->param_country[0]);
3154 priv->param_country[1] = toupper(priv->param_country[1]);
3155 /* doesn't support EU as country code, use FI instead */
3156 if (!strcmp(priv->param_country, "EU"))
3157 strcpy(priv->param_country, "FI");
3159 if (priv->param_power_save < 0)
3160 priv->param_power_save = 0;
3161 else if (priv->param_power_save > 2)
3162 priv->param_power_save = 2;
3164 if (priv->param_power_output < 0)
3165 priv->param_power_output = 0;
3166 else if (priv->param_power_output > 3)
3167 priv->param_power_output = 3;
3169 if (priv->param_roamtrigger < -80)
3170 priv->param_roamtrigger = -80;
3171 else if (priv->param_roamtrigger > -60)
3172 priv->param_roamtrigger = -60;
3174 if (priv->param_roamdelta < 0)
3175 priv->param_roamdelta = 0;
3176 else if (priv->param_roamdelta > 2)
3177 priv->param_roamdelta = 2;
3179 if (modparam_workaround_interval < 0)
3180 priv->param_workaround_interval = 500;
3182 priv->param_workaround_interval = modparam_workaround_interval;
3185 static int unknown_early_init(struct usbnet *usbdev)
3187 /* copy module parameters for unknown so that iwconfig reports txpower
3188 * and workaround parameter is copied to private structure correctly.
3190 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3192 /* This is unknown device, so do not try set configuration parameters.
3198 static int bcm4320a_early_init(struct usbnet *usbdev)
3200 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3201 * and workaround parameter is copied to private structure correctly.
3203 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
3205 /* bcm4320a doesn't handle configuration parameters well. Try
3206 * set any and you get partially zeroed mac and broken device.
3212 static int bcm4320b_early_init(struct usbnet *usbdev)
3214 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3217 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
3219 /* Early initialization settings, setting these won't have effect
3220 * if called after generic_rndis_bind().
3223 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3224 rndis_set_config_parameter_str(usbdev, "FrameBursting",
3225 priv->param_frameburst ? "1" : "0");
3226 rndis_set_config_parameter_str(usbdev, "Afterburner",
3227 priv->param_afterburner ? "1" : "0");
3228 sprintf(buf, "%d", priv->param_power_save);
3229 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
3230 sprintf(buf, "%d", priv->param_power_output);
3231 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
3232 sprintf(buf, "%d", priv->param_roamtrigger);
3233 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
3234 sprintf(buf, "%d", priv->param_roamdelta);
3235 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
3240 /* same as rndis_netdev_ops but with local multicast handler */
3241 static const struct net_device_ops rndis_wlan_netdev_ops = {
3242 .ndo_open = usbnet_open,
3243 .ndo_stop = usbnet_stop,
3244 .ndo_start_xmit = usbnet_start_xmit,
3245 .ndo_tx_timeout = usbnet_tx_timeout,
3246 .ndo_set_mac_address = eth_mac_addr,
3247 .ndo_validate_addr = eth_validate_addr,
3248 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
3251 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
3253 struct wiphy *wiphy;
3254 struct rndis_wlan_private *priv;
3258 /* allocate wiphy and rndis private data
3259 * NOTE: We only support a single virtual interface, so wiphy
3260 * and wireless_dev are somewhat synonymous for this device.
3262 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
3266 priv = wiphy_priv(wiphy);
3267 usbdev->net->ieee80211_ptr = &priv->wdev;
3268 priv->wdev.wiphy = wiphy;
3269 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3271 /* These have to be initialized before calling generic_rndis_bind().
3272 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3274 usbdev->driver_priv = priv;
3275 priv->usbdev = usbdev;
3277 mutex_init(&priv->command_lock);
3279 /* because rndis_command() sleeps we need to use workqueue */
3280 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
3281 INIT_WORK(&priv->work, rndis_wlan_worker);
3282 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
3283 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3285 /* try bind rndis_host */
3286 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
3290 /* generic_rndis_bind set packet filter to multicast_all+
3291 * promisc mode which doesn't work well for our devices (device
3292 * picks up rssi to closest station instead of to access point).
3294 * rndis_host wants to avoid all OID as much as possible
3295 * so do promisc/multicast handling in rndis_wlan.
3297 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
3299 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
3300 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
3304 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3306 priv->multicast_size = le32_to_cpu(tmp);
3307 if (retval < 0 || priv->multicast_size < 0)
3308 priv->multicast_size = 0;
3309 if (priv->multicast_size > 0)
3310 usbdev->net->flags |= IFF_MULTICAST;
3312 usbdev->net->flags &= ~IFF_MULTICAST;
3314 /* fill-out wiphy structure and register w/ cfg80211 */
3315 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3316 wiphy->privid = rndis_wiphy_privid;
3317 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3318 | BIT(NL80211_IFTYPE_ADHOC);
3319 wiphy->max_scan_ssids = 1;
3321 /* TODO: fill-out band/encr information based on priv->caps */
3322 rndis_wlan_get_caps(usbdev, wiphy);
3324 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3325 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3326 priv->band.channels = priv->channels;
3327 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3328 priv->band.bitrates = priv->rates;
3329 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3330 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
3331 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
3333 memcpy(priv->cipher_suites, rndis_cipher_suites,
3334 sizeof(rndis_cipher_suites));
3335 wiphy->cipher_suites = priv->cipher_suites;
3336 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3338 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3340 if (wiphy_register(wiphy)) {
3345 set_default_iw_params(usbdev);
3347 /* set default rts/frag */
3348 rndis_set_wiphy_params(wiphy,
3349 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3352 priv->radio_on = true;
3353 disassociate(usbdev, true);
3354 netif_carrier_off(usbdev->net);
3359 cancel_delayed_work_sync(&priv->dev_poller_work);
3360 cancel_delayed_work_sync(&priv->scan_work);
3361 cancel_work_sync(&priv->work);
3362 flush_workqueue(priv->workqueue);
3363 destroy_workqueue(priv->workqueue);
3369 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
3371 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3373 /* turn radio off */
3374 disassociate(usbdev, false);
3376 cancel_delayed_work_sync(&priv->dev_poller_work);
3377 cancel_delayed_work_sync(&priv->scan_work);
3378 cancel_work_sync(&priv->work);
3379 flush_workqueue(priv->workqueue);
3380 destroy_workqueue(priv->workqueue);
3382 rndis_unbind(usbdev, intf);
3384 wiphy_unregister(priv->wdev.wiphy);
3385 wiphy_free(priv->wdev.wiphy);
3388 static int rndis_wlan_reset(struct usbnet *usbdev)
3390 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3393 netdev_dbg(usbdev->net, "%s()\n", __func__);
3395 retval = rndis_reset(usbdev);
3397 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
3399 /* rndis_reset cleared multicast list, so restore here.
3400 (set_multicast_list() also turns on current packet filter) */
3401 set_multicast_list(usbdev);
3403 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3404 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
3406 return deauthenticate(usbdev);
3409 static int rndis_wlan_stop(struct usbnet *usbdev)
3411 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3415 netdev_dbg(usbdev->net, "%s()\n", __func__);
3417 retval = disassociate(usbdev, false);
3419 priv->work_pending = 0;
3420 cancel_delayed_work_sync(&priv->dev_poller_work);
3421 cancel_delayed_work_sync(&priv->scan_work);
3422 cancel_work_sync(&priv->work);
3423 flush_workqueue(priv->workqueue);
3425 if (priv->scan_request) {
3426 cfg80211_scan_done(priv->scan_request, true);
3427 priv->scan_request = NULL;
3430 /* Set current packet filter zero to block receiving data packets from
3433 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3439 static const struct driver_info bcm4320b_info = {
3440 .description = "Wireless RNDIS device, BCM4320b based",
3441 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3442 FLAG_AVOID_UNLINK_URBS,
3443 .bind = rndis_wlan_bind,
3444 .unbind = rndis_wlan_unbind,
3445 .status = rndis_status,
3446 .rx_fixup = rndis_rx_fixup,
3447 .tx_fixup = rndis_tx_fixup,
3448 .reset = rndis_wlan_reset,
3449 .stop = rndis_wlan_stop,
3450 .early_init = bcm4320b_early_init,
3451 .indication = rndis_wlan_indication,
3454 static const struct driver_info bcm4320a_info = {
3455 .description = "Wireless RNDIS device, BCM4320a based",
3456 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3457 FLAG_AVOID_UNLINK_URBS,
3458 .bind = rndis_wlan_bind,
3459 .unbind = rndis_wlan_unbind,
3460 .status = rndis_status,
3461 .rx_fixup = rndis_rx_fixup,
3462 .tx_fixup = rndis_tx_fixup,
3463 .reset = rndis_wlan_reset,
3464 .stop = rndis_wlan_stop,
3465 .early_init = bcm4320a_early_init,
3466 .indication = rndis_wlan_indication,
3469 static const struct driver_info rndis_wlan_info = {
3470 .description = "Wireless RNDIS device",
3471 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3472 FLAG_AVOID_UNLINK_URBS,
3473 .bind = rndis_wlan_bind,
3474 .unbind = rndis_wlan_unbind,
3475 .status = rndis_status,
3476 .rx_fixup = rndis_rx_fixup,
3477 .tx_fixup = rndis_tx_fixup,
3478 .reset = rndis_wlan_reset,
3479 .stop = rndis_wlan_stop,
3480 .early_init = unknown_early_init,
3481 .indication = rndis_wlan_indication,
3484 /*-------------------------------------------------------------------------*/
3486 static const struct usb_device_id products [] = {
3487 #define RNDIS_MASTER_INTERFACE \
3488 .bInterfaceClass = USB_CLASS_COMM, \
3489 .bInterfaceSubClass = 2 /* ACM */, \
3490 .bInterfaceProtocol = 0x0ff
3492 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3493 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3496 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3497 | USB_DEVICE_ID_MATCH_DEVICE,
3499 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3500 RNDIS_MASTER_INTERFACE,
3501 .driver_info = (unsigned long) &bcm4320b_info,
3503 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3504 | USB_DEVICE_ID_MATCH_DEVICE,
3506 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3507 RNDIS_MASTER_INTERFACE,
3508 .driver_info = (unsigned long) &bcm4320b_info,
3510 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3511 | USB_DEVICE_ID_MATCH_DEVICE,
3513 .idProduct = 0x011b, /* Belkin F5D7051 */
3514 RNDIS_MASTER_INTERFACE,
3515 .driver_info = (unsigned long) &bcm4320b_info,
3517 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3518 | USB_DEVICE_ID_MATCH_DEVICE,
3519 .idVendor = 0x1799, /* Belkin has two vendor ids */
3520 .idProduct = 0x011b, /* Belkin F5D7051 */
3521 RNDIS_MASTER_INTERFACE,
3522 .driver_info = (unsigned long) &bcm4320b_info,
3524 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3525 | USB_DEVICE_ID_MATCH_DEVICE,
3527 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3528 RNDIS_MASTER_INTERFACE,
3529 .driver_info = (unsigned long) &bcm4320b_info,
3531 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3532 | USB_DEVICE_ID_MATCH_DEVICE,
3534 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3535 RNDIS_MASTER_INTERFACE,
3536 .driver_info = (unsigned long) &bcm4320b_info,
3538 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3539 | USB_DEVICE_ID_MATCH_DEVICE,
3541 .idProduct = 0x1717, /* Asus WL169gE */
3542 RNDIS_MASTER_INTERFACE,
3543 .driver_info = (unsigned long) &bcm4320b_info,
3545 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3546 | USB_DEVICE_ID_MATCH_DEVICE,
3548 .idProduct = 0xd11b, /* Eminent EM4045 */
3549 RNDIS_MASTER_INTERFACE,
3550 .driver_info = (unsigned long) &bcm4320b_info,
3552 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3553 | USB_DEVICE_ID_MATCH_DEVICE,
3555 .idProduct = 0x0715, /* BT Voyager 1055 */
3556 RNDIS_MASTER_INTERFACE,
3557 .driver_info = (unsigned long) &bcm4320b_info,
3559 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3560 * parameters available, hardware probably contain older firmware version with
3561 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3564 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3565 | USB_DEVICE_ID_MATCH_DEVICE,
3567 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3568 RNDIS_MASTER_INTERFACE,
3569 .driver_info = (unsigned long) &bcm4320a_info,
3571 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3572 | USB_DEVICE_ID_MATCH_DEVICE,
3574 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3575 RNDIS_MASTER_INTERFACE,
3576 .driver_info = (unsigned long) &bcm4320a_info,
3578 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3579 | USB_DEVICE_ID_MATCH_DEVICE,
3581 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3582 RNDIS_MASTER_INTERFACE,
3583 .driver_info = (unsigned long) &bcm4320a_info,
3585 /* Generic Wireless RNDIS devices that we don't have exact
3586 * idVendor/idProduct/chip yet.
3589 /* RNDIS is MSFT's un-official variant of CDC ACM */
3590 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3591 .driver_info = (unsigned long) &rndis_wlan_info,
3593 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3594 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3595 .driver_info = (unsigned long) &rndis_wlan_info,
3599 MODULE_DEVICE_TABLE(usb, products);
3601 static struct usb_driver rndis_wlan_driver = {
3602 .name = "rndis_wlan",
3603 .id_table = products,
3604 .probe = usbnet_probe,
3605 .disconnect = usbnet_disconnect,
3606 .suspend = usbnet_suspend,
3607 .resume = usbnet_resume,
3610 static int __init rndis_wlan_init(void)
3612 return usb_register(&rndis_wlan_driver);
3614 module_init(rndis_wlan_init);
3616 static void __exit rndis_wlan_exit(void)
3618 usb_deregister(&rndis_wlan_driver);
3620 module_exit(rndis_wlan_exit);
3622 MODULE_AUTHOR("Bjorge Dijkstra");
3623 MODULE_AUTHOR("Jussi Kivilinna");
3624 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3625 MODULE_LICENSE("GPL");