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 <net/iw_handler.h>
45 #include <net/cfg80211.h>
46 #include <linux/usb/usbnet.h>
47 #include <linux/usb/rndis_host.h>
50 /* NOTE: All these are settings for Broadcom chipset */
51 static char modparam_country
[4] = "EU";
52 module_param_string(country
, modparam_country
, 4, 0444);
53 MODULE_PARM_DESC(country
, "Country code (ISO 3166-1 alpha-2), default: EU");
55 static int modparam_frameburst
= 1;
56 module_param_named(frameburst
, modparam_frameburst
, int, 0444);
57 MODULE_PARM_DESC(frameburst
, "enable frame bursting (default: on)");
59 static int modparam_afterburner
= 0;
60 module_param_named(afterburner
, modparam_afterburner
, int, 0444);
61 MODULE_PARM_DESC(afterburner
,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
64 static int modparam_power_save
= 0;
65 module_param_named(power_save
, modparam_power_save
, int, 0444);
66 MODULE_PARM_DESC(power_save
,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
69 static int modparam_power_output
= 3;
70 module_param_named(power_output
, modparam_power_output
, int, 0444);
71 MODULE_PARM_DESC(power_output
,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
74 static int modparam_roamtrigger
= -70;
75 module_param_named(roamtrigger
, modparam_roamtrigger
, int, 0444);
76 MODULE_PARM_DESC(roamtrigger
,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
80 static int modparam_roamdelta
= 1;
81 module_param_named(roamdelta
, modparam_roamdelta
, int, 0444);
82 MODULE_PARM_DESC(roamdelta
,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
86 static int modparam_workaround_interval
= 500;
87 module_param_named(workaround_interval
, modparam_workaround_interval
,
89 MODULE_PARM_DESC(workaround_interval
,
90 "set stall workaround interval in msecs (default: 500)");
93 /* various RNDIS OID defs */
94 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
97 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
103 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
107 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134 #define WL_NOISE -96 /* typical noise level in dBm */
135 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
152 /* codes for "status" field of completion messages */
153 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
160 #define NDIS_802_11_LENGTH_SSID 32
161 #define NDIS_802_11_LENGTH_RATES 8
162 #define NDIS_802_11_LENGTH_RATES_EX 16
164 enum ndis_80211_net_type
{
165 NDIS_80211_TYPE_FREQ_HOP
,
166 NDIS_80211_TYPE_DIRECT_SEQ
,
167 NDIS_80211_TYPE_OFDM_A
,
168 NDIS_80211_TYPE_OFDM_G
171 enum ndis_80211_net_infra
{
172 NDIS_80211_INFRA_ADHOC
,
173 NDIS_80211_INFRA_INFRA
,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
177 enum ndis_80211_auth_mode
{
178 NDIS_80211_AUTH_OPEN
,
179 NDIS_80211_AUTH_SHARED
,
180 NDIS_80211_AUTH_AUTO_SWITCH
,
182 NDIS_80211_AUTH_WPA_PSK
,
183 NDIS_80211_AUTH_WPA_NONE
,
184 NDIS_80211_AUTH_WPA2
,
185 NDIS_80211_AUTH_WPA2_PSK
188 enum ndis_80211_encr_status
{
189 NDIS_80211_ENCR_WEP_ENABLED
,
190 NDIS_80211_ENCR_DISABLED
,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT
,
192 NDIS_80211_ENCR_NOT_SUPPORTED
,
193 NDIS_80211_ENCR_TKIP_ENABLED
,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT
,
195 NDIS_80211_ENCR_CCMP_ENABLED
,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
199 enum ndis_80211_priv_filter
{
200 NDIS_80211_PRIV_ACCEPT_ALL
,
201 NDIS_80211_PRIV_8021X_WEP
204 enum ndis_80211_status_type
{
205 NDIS_80211_STATUSTYPE_AUTHENTICATION
,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE
,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST
,
208 NDIS_80211_STATUSTYPE_RADIOSTATE
,
211 enum ndis_80211_media_stream_mode
{
212 NDIS_80211_MEDIA_STREAM_OFF
,
213 NDIS_80211_MEDIA_STREAM_ON
216 enum ndis_80211_radio_status
{
217 NDIS_80211_RADIO_STATUS_ON
,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF
,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF
,
222 enum ndis_80211_addkey_bits
{
223 NDIS_80211_ADDKEY_8021X_AUTH
= cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
= cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY
= cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY
= cpu_to_le32(1 << 31)
229 enum ndis_80211_addwep_bits
{
230 NDIS_80211_ADDWEP_PERCLIENT_KEY
= cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY
= cpu_to_le32(1 << 31)
234 struct ndis_80211_auth_request
{
239 } __attribute__((packed
));
241 struct ndis_80211_pmkid_candidate
{
245 } __attribute__((packed
));
247 struct ndis_80211_pmkid_cand_list
{
249 __le32 num_candidates
;
250 struct ndis_80211_pmkid_candidate candidate_list
[0];
251 } __attribute__((packed
));
253 struct ndis_80211_status_indication
{
256 __le32 media_stream_mode
;
258 struct ndis_80211_auth_request auth_request
[0];
259 struct ndis_80211_pmkid_cand_list cand_list
;
261 } __attribute__((packed
));
263 struct ndis_80211_ssid
{
265 u8 essid
[NDIS_802_11_LENGTH_SSID
];
266 } __attribute__((packed
));
268 struct ndis_80211_conf_freq_hop
{
273 } __attribute__((packed
));
275 struct ndis_80211_conf
{
277 __le32 beacon_period
;
280 struct ndis_80211_conf_freq_hop fh_config
;
281 } __attribute__((packed
));
283 struct ndis_80211_bssid_ex
{
287 struct ndis_80211_ssid ssid
;
291 struct ndis_80211_conf config
;
293 u8 rates
[NDIS_802_11_LENGTH_RATES_EX
];
296 } __attribute__((packed
));
298 struct ndis_80211_bssid_list_ex
{
300 struct ndis_80211_bssid_ex bssid
[0];
301 } __attribute__((packed
));
303 struct ndis_80211_fixed_ies
{
305 __le16 beacon_interval
;
307 } __attribute__((packed
));
309 struct ndis_80211_wep_key
{
314 } __attribute__((packed
));
316 struct ndis_80211_key
{
324 } __attribute__((packed
));
326 struct ndis_80211_remove_key
{
331 } __attribute__((packed
));
333 struct ndis_config_param
{
339 } __attribute__((packed
));
341 struct ndis_80211_assoc_info
{
346 __le16 listen_interval
;
347 u8 cur_ap_address
[6];
349 __le32 req_ie_length
;
350 __le32 offset_req_ies
;
357 __le32 resp_ie_length
;
358 __le32 offset_resp_ies
;
359 } __attribute__((packed
));
364 #define NET_TYPE_11FB 0
366 #define CAP_MODE_80211A 1
367 #define CAP_MODE_80211B 2
368 #define CAP_MODE_80211G 4
369 #define CAP_MODE_MASK 7
371 #define WORK_LINK_UP (1<<0)
372 #define WORK_LINK_DOWN (1<<1)
373 #define WORK_SET_MULTICAST_LIST (1<<2)
375 #define RNDIS_WLAN_ALG_NONE 0
376 #define RNDIS_WLAN_ALG_WEP (1<<0)
377 #define RNDIS_WLAN_ALG_TKIP (1<<1)
378 #define RNDIS_WLAN_ALG_CCMP (1<<2)
380 #define RNDIS_WLAN_KEY_MGMT_NONE 0
381 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
382 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
384 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
386 static const struct ieee80211_channel rndis_channels
[] = {
387 { .center_freq
= 2412 },
388 { .center_freq
= 2417 },
389 { .center_freq
= 2422 },
390 { .center_freq
= 2427 },
391 { .center_freq
= 2432 },
392 { .center_freq
= 2437 },
393 { .center_freq
= 2442 },
394 { .center_freq
= 2447 },
395 { .center_freq
= 2452 },
396 { .center_freq
= 2457 },
397 { .center_freq
= 2462 },
398 { .center_freq
= 2467 },
399 { .center_freq
= 2472 },
400 { .center_freq
= 2484 },
403 static const struct ieee80211_rate rndis_rates
[] = {
405 { .bitrate
= 20, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
406 { .bitrate
= 55, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
407 { .bitrate
= 110, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
418 static const u32 rndis_cipher_suites
[] = {
419 WLAN_CIPHER_SUITE_WEP40
,
420 WLAN_CIPHER_SUITE_WEP104
,
421 WLAN_CIPHER_SUITE_TKIP
,
422 WLAN_CIPHER_SUITE_CCMP
,
425 struct rndis_wlan_encr_key
{
434 /* RNDIS device private data */
435 struct rndis_wlan_private
{
436 struct usbnet
*usbdev
;
438 struct wireless_dev wdev
;
440 struct cfg80211_scan_request
*scan_request
;
442 struct workqueue_struct
*workqueue
;
443 struct delayed_work dev_poller_work
;
444 struct delayed_work scan_work
;
445 struct work_struct work
;
446 struct mutex command_lock
;
447 unsigned long work_pending
;
450 struct ieee80211_supported_band band
;
451 struct ieee80211_channel channels
[ARRAY_SIZE(rndis_channels
)];
452 struct ieee80211_rate rates
[ARRAY_SIZE(rndis_rates
)];
453 u32 cipher_suites
[ARRAY_SIZE(rndis_cipher_suites
)];
458 /* module parameters */
459 char param_country
[4];
460 int param_frameburst
;
461 int param_afterburner
;
462 int param_power_save
;
463 int param_power_output
;
464 int param_roamtrigger
;
466 u32 param_workaround_interval
;
473 struct ndis_80211_ssid essid
;
474 __le32 current_command_oid
;
476 /* encryption stuff */
477 int encr_tx_key_index
;
478 struct rndis_wlan_encr_key encr_keys
[4];
479 enum nl80211_auth_type wpa_auth_type
;
485 int wpa_cipher_group
;
487 u8 command_buffer
[COMMAND_BUFFER_SIZE
];
493 static int rndis_change_virtual_intf(struct wiphy
*wiphy
,
494 struct net_device
*dev
,
495 enum nl80211_iftype type
, u32
*flags
,
496 struct vif_params
*params
);
498 static int rndis_scan(struct wiphy
*wiphy
, struct net_device
*dev
,
499 struct cfg80211_scan_request
*request
);
501 static int rndis_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
);
503 static int rndis_set_tx_power(struct wiphy
*wiphy
, enum tx_power_setting type
,
505 static int rndis_get_tx_power(struct wiphy
*wiphy
, int *dbm
);
507 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
508 struct cfg80211_connect_params
*sme
);
510 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
513 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
514 struct cfg80211_ibss_params
*params
);
516 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
);
518 static int rndis_set_channel(struct wiphy
*wiphy
,
519 struct ieee80211_channel
*chan
, enum nl80211_channel_type channel_type
);
521 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
522 u8 key_index
, const u8
*mac_addr
,
523 struct key_params
*params
);
525 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
526 u8 key_index
, const u8
*mac_addr
);
528 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
531 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
532 u8
*mac
, struct station_info
*sinfo
);
534 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
535 int idx
, u8
*mac
, struct station_info
*sinfo
);
537 static struct cfg80211_ops rndis_config_ops
= {
538 .change_virtual_intf
= rndis_change_virtual_intf
,
540 .set_wiphy_params
= rndis_set_wiphy_params
,
541 .set_tx_power
= rndis_set_tx_power
,
542 .get_tx_power
= rndis_get_tx_power
,
543 .connect
= rndis_connect
,
544 .disconnect
= rndis_disconnect
,
545 .join_ibss
= rndis_join_ibss
,
546 .leave_ibss
= rndis_leave_ibss
,
547 .set_channel
= rndis_set_channel
,
548 .add_key
= rndis_add_key
,
549 .del_key
= rndis_del_key
,
550 .set_default_key
= rndis_set_default_key
,
551 .get_station
= rndis_get_station
,
552 .dump_station
= rndis_dump_station
,
555 static void *rndis_wiphy_privid
= &rndis_wiphy_privid
;
558 static struct rndis_wlan_private
*get_rndis_wlan_priv(struct usbnet
*dev
)
560 return (struct rndis_wlan_private
*)dev
->driver_priv
;
563 static u32
get_bcm4320_power_dbm(struct rndis_wlan_private
*priv
)
565 switch (priv
->param_power_output
) {
568 return BCM4320_DEFAULT_TXPOWER_DBM_100
;
570 return BCM4320_DEFAULT_TXPOWER_DBM_75
;
572 return BCM4320_DEFAULT_TXPOWER_DBM_50
;
574 return BCM4320_DEFAULT_TXPOWER_DBM_25
;
578 static bool is_wpa_key(struct rndis_wlan_private
*priv
, int idx
)
580 int cipher
= priv
->encr_keys
[idx
].cipher
;
582 return (cipher
== WLAN_CIPHER_SUITE_CCMP
||
583 cipher
== WLAN_CIPHER_SUITE_TKIP
);
586 static int rndis_cipher_to_alg(u32 cipher
)
590 return RNDIS_WLAN_ALG_NONE
;
591 case WLAN_CIPHER_SUITE_WEP40
:
592 case WLAN_CIPHER_SUITE_WEP104
:
593 return RNDIS_WLAN_ALG_WEP
;
594 case WLAN_CIPHER_SUITE_TKIP
:
595 return RNDIS_WLAN_ALG_TKIP
;
596 case WLAN_CIPHER_SUITE_CCMP
:
597 return RNDIS_WLAN_ALG_CCMP
;
601 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite
)
605 return RNDIS_WLAN_KEY_MGMT_NONE
;
606 case WLAN_AKM_SUITE_8021X
:
607 return RNDIS_WLAN_KEY_MGMT_802_1X
;
608 case WLAN_AKM_SUITE_PSK
:
609 return RNDIS_WLAN_KEY_MGMT_PSK
;
614 static const char *oid_to_string(__le32 oid
)
617 #define OID_STR(oid) case oid: return(#oid)
618 /* from rndis_host.h */
619 OID_STR(OID_802_3_PERMANENT_ADDRESS
);
620 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE
);
621 OID_STR(OID_GEN_CURRENT_PACKET_FILTER
);
622 OID_STR(OID_GEN_PHYSICAL_MEDIUM
);
624 /* from rndis_wlan.c */
625 OID_STR(OID_GEN_LINK_SPEED
);
626 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER
);
628 OID_STR(OID_GEN_XMIT_OK
);
629 OID_STR(OID_GEN_RCV_OK
);
630 OID_STR(OID_GEN_XMIT_ERROR
);
631 OID_STR(OID_GEN_RCV_ERROR
);
632 OID_STR(OID_GEN_RCV_NO_BUFFER
);
634 OID_STR(OID_802_3_CURRENT_ADDRESS
);
635 OID_STR(OID_802_3_MULTICAST_LIST
);
636 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE
);
638 OID_STR(OID_802_11_BSSID
);
639 OID_STR(OID_802_11_SSID
);
640 OID_STR(OID_802_11_INFRASTRUCTURE_MODE
);
641 OID_STR(OID_802_11_ADD_WEP
);
642 OID_STR(OID_802_11_REMOVE_WEP
);
643 OID_STR(OID_802_11_DISASSOCIATE
);
644 OID_STR(OID_802_11_AUTHENTICATION_MODE
);
645 OID_STR(OID_802_11_PRIVACY_FILTER
);
646 OID_STR(OID_802_11_BSSID_LIST_SCAN
);
647 OID_STR(OID_802_11_ENCRYPTION_STATUS
);
648 OID_STR(OID_802_11_ADD_KEY
);
649 OID_STR(OID_802_11_REMOVE_KEY
);
650 OID_STR(OID_802_11_ASSOCIATION_INFORMATION
);
651 OID_STR(OID_802_11_PMKID
);
652 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED
);
653 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE
);
654 OID_STR(OID_802_11_TX_POWER_LEVEL
);
655 OID_STR(OID_802_11_RSSI
);
656 OID_STR(OID_802_11_RSSI_TRIGGER
);
657 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD
);
658 OID_STR(OID_802_11_RTS_THRESHOLD
);
659 OID_STR(OID_802_11_SUPPORTED_RATES
);
660 OID_STR(OID_802_11_CONFIGURATION
);
661 OID_STR(OID_802_11_BSSID_LIST
);
668 static const char *oid_to_string(__le32 oid
)
674 /* translate error code */
675 static int rndis_error_status(__le32 rndis_status
)
678 switch (rndis_status
) {
679 case RNDIS_STATUS_SUCCESS
:
682 case RNDIS_STATUS_FAILURE
:
683 case RNDIS_STATUS_INVALID_DATA
:
686 case RNDIS_STATUS_NOT_SUPPORTED
:
689 case RNDIS_STATUS_ADAPTER_NOT_READY
:
690 case RNDIS_STATUS_ADAPTER_NOT_OPEN
:
697 static int rndis_query_oid(struct usbnet
*dev
, __le32 oid
, void *data
, int *len
)
699 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
702 struct rndis_msg_hdr
*header
;
703 struct rndis_query
*get
;
704 struct rndis_query_c
*get_c
;
708 buflen
= *len
+ sizeof(*u
.get
);
709 if (buflen
< CONTROL_BUFFER_SIZE
)
710 buflen
= CONTROL_BUFFER_SIZE
;
712 if (buflen
> COMMAND_BUFFER_SIZE
) {
713 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
717 u
.buf
= priv
->command_buffer
;
720 mutex_lock(&priv
->command_lock
);
722 memset(u
.get
, 0, sizeof *u
.get
);
723 u
.get
->msg_type
= RNDIS_MSG_QUERY
;
724 u
.get
->msg_len
= cpu_to_le32(sizeof *u
.get
);
727 priv
->current_command_oid
= oid
;
728 ret
= rndis_command(dev
, u
.header
, buflen
);
729 priv
->current_command_oid
= 0;
731 devdbg(dev
, "rndis_query_oid(%s): rndis_command() failed, %d "
732 "(%08x)", oid_to_string(oid
), ret
,
733 le32_to_cpu(u
.get_c
->status
));
736 memcpy(data
, u
.buf
+ le32_to_cpu(u
.get_c
->offset
) + 8, *len
);
738 ret
= le32_to_cpu(u
.get_c
->len
);
742 ret
= rndis_error_status(u
.get_c
->status
);
744 devdbg(dev
, "rndis_query_oid(%s): device returned "
745 "error, 0x%08x (%d)", oid_to_string(oid
),
746 le32_to_cpu(u
.get_c
->status
), ret
);
749 mutex_unlock(&priv
->command_lock
);
751 if (u
.buf
!= priv
->command_buffer
)
756 static int rndis_set_oid(struct usbnet
*dev
, __le32 oid
, void *data
, int len
)
758 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
761 struct rndis_msg_hdr
*header
;
762 struct rndis_set
*set
;
763 struct rndis_set_c
*set_c
;
767 buflen
= len
+ sizeof(*u
.set
);
768 if (buflen
< CONTROL_BUFFER_SIZE
)
769 buflen
= CONTROL_BUFFER_SIZE
;
771 if (buflen
> COMMAND_BUFFER_SIZE
) {
772 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
776 u
.buf
= priv
->command_buffer
;
779 mutex_lock(&priv
->command_lock
);
781 memset(u
.set
, 0, sizeof *u
.set
);
782 u
.set
->msg_type
= RNDIS_MSG_SET
;
783 u
.set
->msg_len
= cpu_to_le32(sizeof(*u
.set
) + len
);
785 u
.set
->len
= cpu_to_le32(len
);
786 u
.set
->offset
= cpu_to_le32(sizeof(*u
.set
) - 8);
787 u
.set
->handle
= cpu_to_le32(0);
788 memcpy(u
.buf
+ sizeof(*u
.set
), data
, len
);
790 priv
->current_command_oid
= oid
;
791 ret
= rndis_command(dev
, u
.header
, buflen
);
792 priv
->current_command_oid
= 0;
794 devdbg(dev
, "rndis_set_oid(%s): rndis_command() failed, %d "
795 "(%08x)", oid_to_string(oid
), ret
,
796 le32_to_cpu(u
.set_c
->status
));
799 ret
= rndis_error_status(u
.set_c
->status
);
802 devdbg(dev
, "rndis_set_oid(%s): device returned error, "
803 "0x%08x (%d)", oid_to_string(oid
),
804 le32_to_cpu(u
.set_c
->status
), ret
);
807 mutex_unlock(&priv
->command_lock
);
809 if (u
.buf
!= priv
->command_buffer
)
814 static int rndis_reset(struct usbnet
*usbdev
)
816 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
817 struct rndis_reset
*reset
;
820 mutex_lock(&priv
->command_lock
);
822 reset
= (void *)priv
->command_buffer
;
823 memset(reset
, 0, sizeof(*reset
));
824 reset
->msg_type
= RNDIS_MSG_RESET
;
825 reset
->msg_len
= cpu_to_le32(sizeof(*reset
));
826 priv
->current_command_oid
= 0;
827 ret
= rndis_command(usbdev
, (void *)reset
, CONTROL_BUFFER_SIZE
);
829 mutex_unlock(&priv
->command_lock
);
837 * Specs say that we can only set config parameters only soon after device
839 * value_type: 0 = u32, 2 = unicode string
841 static int rndis_set_config_parameter(struct usbnet
*dev
, char *param
,
842 int value_type
, void *value
)
844 struct ndis_config_param
*infobuf
;
845 int value_len
, info_len
, param_len
, ret
, i
;
850 value_len
= sizeof(__le32
);
851 else if (value_type
== 2)
852 value_len
= strlen(value
) * sizeof(__le16
);
856 param_len
= strlen(param
) * sizeof(__le16
);
857 info_len
= sizeof(*infobuf
) + param_len
+ value_len
;
862 infobuf
= kmalloc(info_len
, GFP_KERNEL
);
868 /* extra 12 bytes are for padding (debug output) */
869 memset(infobuf
, 0xCC, info_len
+ 12);
873 devdbg(dev
, "setting config parameter: %s, value: %s",
876 devdbg(dev
, "setting config parameter: %s, value: %d",
877 param
, *(u32
*)value
);
879 infobuf
->name_offs
= cpu_to_le32(sizeof(*infobuf
));
880 infobuf
->name_length
= cpu_to_le32(param_len
);
881 infobuf
->type
= cpu_to_le32(value_type
);
882 infobuf
->value_offs
= cpu_to_le32(sizeof(*infobuf
) + param_len
);
883 infobuf
->value_length
= cpu_to_le32(value_len
);
885 /* simple string to unicode string conversion */
886 unibuf
= (void *)infobuf
+ sizeof(*infobuf
);
887 for (i
= 0; i
< param_len
/ sizeof(__le16
); i
++)
888 unibuf
[i
] = cpu_to_le16(param
[i
]);
890 if (value_type
== 2) {
891 unibuf
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
892 for (i
= 0; i
< value_len
/ sizeof(__le16
); i
++)
893 unibuf
[i
] = cpu_to_le16(((u8
*)value
)[i
]);
895 dst_value
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
896 *dst_value
= cpu_to_le32(*(u32
*)value
);
900 devdbg(dev
, "info buffer (len: %d):", info_len
);
901 for (i
= 0; i
< info_len
; i
+= 12) {
902 u32
*tmp
= (u32
*)((u8
*)infobuf
+ i
);
903 devdbg(dev
, "%08X:%08X:%08X",
906 cpu_to_be32(tmp
[2]));
910 ret
= rndis_set_oid(dev
, OID_GEN_RNDIS_CONFIG_PARAMETER
,
913 devdbg(dev
, "setting rndis config parameter failed, %d.", ret
);
919 static int rndis_set_config_parameter_str(struct usbnet
*dev
,
920 char *param
, char *value
)
922 return rndis_set_config_parameter(dev
, param
, 2, value
);
926 * data conversion functions
928 static int level_to_qual(int level
)
930 int qual
= 100 * (level
- WL_NOISE
) / (WL_SIGMAX
- WL_NOISE
);
931 return qual
>= 0 ? (qual
<= 100 ? qual
: 100) : 0;
937 static int set_infra_mode(struct usbnet
*usbdev
, int mode
);
938 static void restore_keys(struct usbnet
*usbdev
);
939 static int rndis_check_bssid_list(struct usbnet
*usbdev
);
941 static int set_essid(struct usbnet
*usbdev
, struct ndis_80211_ssid
*ssid
)
943 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
946 ret
= rndis_set_oid(usbdev
, OID_802_11_SSID
, ssid
, sizeof(*ssid
));
948 devwarn(usbdev
, "setting SSID failed (%08X)", ret
);
952 memcpy(&priv
->essid
, ssid
, sizeof(priv
->essid
));
953 priv
->radio_on
= true;
954 devdbg(usbdev
, "set_essid: radio_on = true");
960 static int set_bssid(struct usbnet
*usbdev
, u8 bssid
[ETH_ALEN
])
964 ret
= rndis_set_oid(usbdev
, OID_802_11_BSSID
, bssid
, ETH_ALEN
);
966 devwarn(usbdev
, "setting BSSID[%pM] failed (%08X)", bssid
, ret
);
973 static int clear_bssid(struct usbnet
*usbdev
)
975 u8 broadcast_mac
[ETH_ALEN
] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
977 return set_bssid(usbdev
, broadcast_mac
);
980 static int get_bssid(struct usbnet
*usbdev
, u8 bssid
[ETH_ALEN
])
985 ret
= rndis_query_oid(usbdev
, OID_802_11_BSSID
, bssid
, &len
);
988 memset(bssid
, 0, ETH_ALEN
);
993 static int get_association_info(struct usbnet
*usbdev
,
994 struct ndis_80211_assoc_info
*info
, int len
)
996 return rndis_query_oid(usbdev
, OID_802_11_ASSOCIATION_INFORMATION
,
1000 static bool is_associated(struct usbnet
*usbdev
)
1002 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1006 if (!priv
->radio_on
)
1009 ret
= get_bssid(usbdev
, bssid
);
1011 return (ret
== 0 && !is_zero_ether_addr(bssid
));
1014 static int disassociate(struct usbnet
*usbdev
, bool reset_ssid
)
1016 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1017 struct ndis_80211_ssid ssid
;
1020 if (priv
->radio_on
) {
1021 ret
= rndis_set_oid(usbdev
, OID_802_11_DISASSOCIATE
, NULL
, 0);
1023 priv
->radio_on
= false;
1024 devdbg(usbdev
, "disassociate: radio_on = false");
1031 /* disassociate causes radio to be turned off; if reset_ssid
1032 * is given, set random ssid to enable radio */
1034 /* Set device to infrastructure mode so we don't get ad-hoc
1035 * 'media connect' indications with the random ssid.
1037 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1039 ssid
.length
= cpu_to_le32(sizeof(ssid
.essid
));
1040 get_random_bytes(&ssid
.essid
[2], sizeof(ssid
.essid
)-2);
1041 ssid
.essid
[0] = 0x1;
1042 ssid
.essid
[1] = 0xff;
1043 for (i
= 2; i
< sizeof(ssid
.essid
); i
++)
1044 ssid
.essid
[i
] = 0x1 + (ssid
.essid
[i
] * 0xfe / 0xff);
1045 ret
= set_essid(usbdev
, &ssid
);
1050 static int set_auth_mode(struct usbnet
*usbdev
, u32 wpa_version
,
1051 enum nl80211_auth_type auth_type
, int keymgmt
)
1053 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1057 devdbg(usbdev
, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1058 "keymgmt=0x%x", wpa_version
, auth_type
, keymgmt
);
1060 if (wpa_version
& NL80211_WPA_VERSION_2
) {
1061 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1062 auth_mode
= NDIS_80211_AUTH_WPA2
;
1064 auth_mode
= NDIS_80211_AUTH_WPA2_PSK
;
1065 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
1066 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1067 auth_mode
= NDIS_80211_AUTH_WPA
;
1068 else if (keymgmt
& RNDIS_WLAN_KEY_MGMT_PSK
)
1069 auth_mode
= NDIS_80211_AUTH_WPA_PSK
;
1071 auth_mode
= NDIS_80211_AUTH_WPA_NONE
;
1072 } else if (auth_type
== NL80211_AUTHTYPE_SHARED_KEY
)
1073 auth_mode
= NDIS_80211_AUTH_SHARED
;
1074 else if (auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
)
1075 auth_mode
= NDIS_80211_AUTH_OPEN
;
1076 else if (auth_type
== NL80211_AUTHTYPE_AUTOMATIC
)
1077 auth_mode
= NDIS_80211_AUTH_AUTO_SWITCH
;
1081 tmp
= cpu_to_le32(auth_mode
);
1082 ret
= rndis_set_oid(usbdev
, OID_802_11_AUTHENTICATION_MODE
, &tmp
,
1085 devwarn(usbdev
, "setting auth mode failed (%08X)", ret
);
1089 priv
->wpa_version
= wpa_version
;
1090 priv
->wpa_auth_type
= auth_type
;
1091 priv
->wpa_keymgmt
= keymgmt
;
1096 static int set_priv_filter(struct usbnet
*usbdev
)
1098 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1101 devdbg(usbdev
, "set_priv_filter: wpa_version=0x%x", priv
->wpa_version
);
1103 if (priv
->wpa_version
& NL80211_WPA_VERSION_2
||
1104 priv
->wpa_version
& NL80211_WPA_VERSION_1
)
1105 tmp
= cpu_to_le32(NDIS_80211_PRIV_8021X_WEP
);
1107 tmp
= cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL
);
1109 return rndis_set_oid(usbdev
, OID_802_11_PRIVACY_FILTER
, &tmp
,
1113 static int set_encr_mode(struct usbnet
*usbdev
, int pairwise
, int groupwise
)
1115 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1119 devdbg(usbdev
, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1120 pairwise
, groupwise
);
1122 if (pairwise
& RNDIS_WLAN_ALG_CCMP
)
1123 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1124 else if (pairwise
& RNDIS_WLAN_ALG_TKIP
)
1125 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1126 else if (pairwise
& RNDIS_WLAN_ALG_WEP
)
1127 encr_mode
= NDIS_80211_ENCR_WEP_ENABLED
;
1128 else if (groupwise
& RNDIS_WLAN_ALG_CCMP
)
1129 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1130 else if (groupwise
& RNDIS_WLAN_ALG_TKIP
)
1131 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1133 encr_mode
= NDIS_80211_ENCR_DISABLED
;
1135 tmp
= cpu_to_le32(encr_mode
);
1136 ret
= rndis_set_oid(usbdev
, OID_802_11_ENCRYPTION_STATUS
, &tmp
,
1139 devwarn(usbdev
, "setting encr mode failed (%08X)", ret
);
1143 priv
->wpa_cipher_pair
= pairwise
;
1144 priv
->wpa_cipher_group
= groupwise
;
1148 static int set_infra_mode(struct usbnet
*usbdev
, int mode
)
1150 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1154 devdbg(usbdev
, "set_infra_mode: infra_mode=0x%x", priv
->infra_mode
);
1156 tmp
= cpu_to_le32(mode
);
1157 ret
= rndis_set_oid(usbdev
, OID_802_11_INFRASTRUCTURE_MODE
, &tmp
,
1160 devwarn(usbdev
, "setting infra mode failed (%08X)", ret
);
1164 /* NDIS drivers clear keys when infrastructure mode is
1165 * changed. But Linux tools assume otherwise. So set the
1167 restore_keys(usbdev
);
1169 priv
->infra_mode
= mode
;
1173 static int set_rts_threshold(struct usbnet
*usbdev
, u32 rts_threshold
)
1177 devdbg(usbdev
, "set_rts_threshold %i", rts_threshold
);
1179 if (rts_threshold
< 0 || rts_threshold
> 2347)
1180 rts_threshold
= 2347;
1182 tmp
= cpu_to_le32(rts_threshold
);
1183 return rndis_set_oid(usbdev
, OID_802_11_RTS_THRESHOLD
, &tmp
,
1187 static int set_frag_threshold(struct usbnet
*usbdev
, u32 frag_threshold
)
1191 devdbg(usbdev
, "set_frag_threshold %i", frag_threshold
);
1193 if (frag_threshold
< 256 || frag_threshold
> 2346)
1194 frag_threshold
= 2346;
1196 tmp
= cpu_to_le32(frag_threshold
);
1197 return rndis_set_oid(usbdev
, OID_802_11_FRAGMENTATION_THRESHOLD
, &tmp
,
1201 static void set_default_iw_params(struct usbnet
*usbdev
)
1203 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1204 set_auth_mode(usbdev
, 0, NL80211_AUTHTYPE_OPEN_SYSTEM
,
1205 RNDIS_WLAN_KEY_MGMT_NONE
);
1206 set_priv_filter(usbdev
);
1207 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1210 static int deauthenticate(struct usbnet
*usbdev
)
1214 ret
= disassociate(usbdev
, true);
1215 set_default_iw_params(usbdev
);
1219 static int set_channel(struct usbnet
*usbdev
, int channel
)
1221 struct ndis_80211_conf config
;
1222 unsigned int dsconfig
;
1225 devdbg(usbdev
, "set_channel(%d)", channel
);
1227 /* this OID is valid only when not associated */
1228 if (is_associated(usbdev
))
1231 dsconfig
= ieee80211_dsss_chan_to_freq(channel
) * 1000;
1233 len
= sizeof(config
);
1234 ret
= rndis_query_oid(usbdev
, OID_802_11_CONFIGURATION
, &config
, &len
);
1236 devdbg(usbdev
, "set_channel: querying configuration failed");
1240 config
.ds_config
= cpu_to_le32(dsconfig
);
1241 ret
= rndis_set_oid(usbdev
, OID_802_11_CONFIGURATION
, &config
,
1244 devdbg(usbdev
, "set_channel: %d -> %d", channel
, ret
);
1249 /* index must be 0 - N, as per NDIS */
1250 static int add_wep_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1253 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1254 struct ndis_80211_wep_key ndis_key
;
1258 devdbg(usbdev
, "add_wep_key(idx: %d, len: %d)", index
, key_len
);
1260 if ((key_len
!= 5 && key_len
!= 13) || index
< 0 || index
> 3)
1264 cipher
= WLAN_CIPHER_SUITE_WEP40
;
1266 cipher
= WLAN_CIPHER_SUITE_WEP104
;
1268 memset(&ndis_key
, 0, sizeof(ndis_key
));
1270 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
));
1271 ndis_key
.length
= cpu_to_le32(key_len
);
1272 ndis_key
.index
= cpu_to_le32(index
);
1273 memcpy(&ndis_key
.material
, key
, key_len
);
1275 if (index
== priv
->encr_tx_key_index
) {
1276 ndis_key
.index
|= NDIS_80211_ADDWEP_TRANSMIT_KEY
;
1277 ret
= set_encr_mode(usbdev
, RNDIS_WLAN_ALG_WEP
,
1278 RNDIS_WLAN_ALG_NONE
);
1280 devwarn(usbdev
, "encryption couldn't be enabled (%08X)",
1284 ret
= rndis_set_oid(usbdev
, OID_802_11_ADD_WEP
, &ndis_key
,
1287 devwarn(usbdev
, "adding encryption key %d failed (%08X)",
1292 priv
->encr_keys
[index
].len
= key_len
;
1293 priv
->encr_keys
[index
].cipher
= cipher
;
1294 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1295 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1300 static int add_wpa_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1301 int index
, const u8
*addr
, const u8
*rx_seq
,
1302 int seq_len
, u32 cipher
, __le32 flags
)
1304 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1305 struct ndis_80211_key ndis_key
;
1309 if (index
< 0 || index
>= 4) {
1310 devdbg(usbdev
, "add_wpa_key: index out of range (%i)", index
);
1313 if (key_len
> sizeof(ndis_key
.material
) || key_len
< 0) {
1314 devdbg(usbdev
, "add_wpa_key: key length out of range (%i)",
1318 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
) {
1319 if (!rx_seq
|| seq_len
<= 0) {
1320 devdbg(usbdev
, "add_wpa_key: recv seq flag without"
1324 if (rx_seq
&& seq_len
> sizeof(ndis_key
.rsc
)) {
1325 devdbg(usbdev
, "add_wpa_key: too big recv seq buffer");
1330 is_addr_ok
= addr
&& !is_zero_ether_addr(addr
) &&
1331 !is_broadcast_ether_addr(addr
);
1332 if ((flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) && !is_addr_ok
) {
1333 devdbg(usbdev
, "add_wpa_key: pairwise but bssid invalid (%pM)",
1338 devdbg(usbdev
, "add_wpa_key(%i): flags:%i%i%i", index
,
1339 !!(flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
),
1340 !!(flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
),
1341 !!(flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
));
1343 memset(&ndis_key
, 0, sizeof(ndis_key
));
1345 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
) -
1346 sizeof(ndis_key
.material
) + key_len
);
1347 ndis_key
.length
= cpu_to_le32(key_len
);
1348 ndis_key
.index
= cpu_to_le32(index
) | flags
;
1350 if (cipher
== WLAN_CIPHER_SUITE_TKIP
&& key_len
== 32) {
1351 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1352 * different order than NDIS spec, so swap the order here. */
1353 memcpy(ndis_key
.material
, key
, 16);
1354 memcpy(ndis_key
.material
+ 16, key
+ 24, 8);
1355 memcpy(ndis_key
.material
+ 24, key
+ 16, 8);
1357 memcpy(ndis_key
.material
, key
, key_len
);
1359 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
)
1360 memcpy(ndis_key
.rsc
, rx_seq
, seq_len
);
1362 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) {
1364 memcpy(ndis_key
.bssid
, addr
, ETH_ALEN
);
1367 if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
1368 memset(ndis_key
.bssid
, 0xff, ETH_ALEN
);
1370 get_bssid(usbdev
, ndis_key
.bssid
);
1373 ret
= rndis_set_oid(usbdev
, OID_802_11_ADD_KEY
, &ndis_key
,
1374 le32_to_cpu(ndis_key
.size
));
1375 devdbg(usbdev
, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret
);
1379 memset(&priv
->encr_keys
[index
], 0, sizeof(priv
->encr_keys
[index
]));
1380 priv
->encr_keys
[index
].len
= key_len
;
1381 priv
->encr_keys
[index
].cipher
= cipher
;
1382 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1383 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
)
1384 memcpy(&priv
->encr_keys
[index
].bssid
, ndis_key
.bssid
, ETH_ALEN
);
1386 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1388 if (flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
)
1389 priv
->encr_tx_key_index
= index
;
1394 static int restore_key(struct usbnet
*usbdev
, int key_idx
)
1396 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1397 struct rndis_wlan_encr_key key
;
1399 if (is_wpa_key(priv
, key_idx
))
1402 key
= priv
->encr_keys
[key_idx
];
1404 devdbg(usbdev
, "restore_key: %i:%i", key_idx
, key
.len
);
1409 return add_wep_key(usbdev
, key
.material
, key
.len
, key_idx
);
1412 static void restore_keys(struct usbnet
*usbdev
)
1416 for (i
= 0; i
< 4; i
++)
1417 restore_key(usbdev
, i
);
1420 static void clear_key(struct rndis_wlan_private
*priv
, int idx
)
1422 memset(&priv
->encr_keys
[idx
], 0, sizeof(priv
->encr_keys
[idx
]));
1425 /* remove_key is for both wep and wpa */
1426 static int remove_key(struct usbnet
*usbdev
, int index
, const u8
*bssid
)
1428 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1429 struct ndis_80211_remove_key remove_key
;
1434 if (priv
->encr_keys
[index
].len
== 0)
1437 is_wpa
= is_wpa_key(priv
, index
);
1439 devdbg(usbdev
, "remove_key: %i:%s:%i", index
, is_wpa
? "wpa" : "wep",
1440 priv
->encr_keys
[index
].len
);
1442 clear_key(priv
, index
);
1445 remove_key
.size
= cpu_to_le32(sizeof(remove_key
));
1446 remove_key
.index
= cpu_to_le32(index
);
1449 if (!is_broadcast_ether_addr(bssid
))
1451 NDIS_80211_ADDKEY_PAIRWISE_KEY
;
1452 memcpy(remove_key
.bssid
, bssid
,
1453 sizeof(remove_key
.bssid
));
1455 memset(remove_key
.bssid
, 0xff,
1456 sizeof(remove_key
.bssid
));
1458 ret
= rndis_set_oid(usbdev
, OID_802_11_REMOVE_KEY
, &remove_key
,
1459 sizeof(remove_key
));
1463 keyindex
= cpu_to_le32(index
);
1464 ret
= rndis_set_oid(usbdev
, OID_802_11_REMOVE_WEP
, &keyindex
,
1468 "removing encryption key %d failed (%08X)",
1474 /* if it is transmit key, disable encryption */
1475 if (index
== priv
->encr_tx_key_index
)
1476 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1481 static void set_multicast_list(struct usbnet
*usbdev
)
1483 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1484 struct dev_mc_list
*mclist
;
1489 filter
= RNDIS_PACKET_TYPE_DIRECTED
| RNDIS_PACKET_TYPE_BROADCAST
;
1491 if (usbdev
->net
->flags
& IFF_PROMISC
) {
1492 filter
|= RNDIS_PACKET_TYPE_PROMISCUOUS
|
1493 RNDIS_PACKET_TYPE_ALL_LOCAL
;
1494 } else if (usbdev
->net
->flags
& IFF_ALLMULTI
||
1495 usbdev
->net
->mc_count
> priv
->multicast_size
) {
1496 filter
|= RNDIS_PACKET_TYPE_ALL_MULTICAST
;
1497 } else if (usbdev
->net
->mc_count
> 0) {
1498 size
= min(priv
->multicast_size
, usbdev
->net
->mc_count
);
1499 buf
= kmalloc(size
* ETH_ALEN
, GFP_KERNEL
);
1502 "couldn't alloc %d bytes of memory",
1507 mclist
= usbdev
->net
->mc_list
;
1508 for (i
= 0; i
< size
&& mclist
; mclist
= mclist
->next
) {
1509 if (mclist
->dmi_addrlen
!= ETH_ALEN
)
1512 memcpy(buf
+ i
* ETH_ALEN
, mclist
->dmi_addr
, ETH_ALEN
);
1516 ret
= rndis_set_oid(usbdev
, OID_802_3_MULTICAST_LIST
, buf
,
1518 if (ret
== 0 && i
> 0)
1519 filter
|= RNDIS_PACKET_TYPE_MULTICAST
;
1521 filter
|= RNDIS_PACKET_TYPE_ALL_MULTICAST
;
1523 devdbg(usbdev
, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1524 i
, priv
->multicast_size
, ret
);
1529 ret
= rndis_set_oid(usbdev
, OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
1532 devwarn(usbdev
, "couldn't set packet filter: %08x",
1533 le32_to_cpu(filter
));
1536 devdbg(usbdev
, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1537 le32_to_cpu(filter
), ret
);
1543 static int rndis_change_virtual_intf(struct wiphy
*wiphy
,
1544 struct net_device
*dev
,
1545 enum nl80211_iftype type
, u32
*flags
,
1546 struct vif_params
*params
)
1548 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1549 struct usbnet
*usbdev
= priv
->usbdev
;
1553 case NL80211_IFTYPE_ADHOC
:
1554 mode
= NDIS_80211_INFRA_ADHOC
;
1556 case NL80211_IFTYPE_STATION
:
1557 mode
= NDIS_80211_INFRA_INFRA
;
1563 priv
->wdev
.iftype
= type
;
1565 return set_infra_mode(usbdev
, mode
);
1568 static int rndis_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1570 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1571 struct usbnet
*usbdev
= priv
->usbdev
;
1574 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1575 err
= set_frag_threshold(usbdev
, wiphy
->frag_threshold
);
1580 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1581 err
= set_rts_threshold(usbdev
, wiphy
->rts_threshold
);
1589 static int rndis_set_tx_power(struct wiphy
*wiphy
, enum tx_power_setting type
,
1592 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1593 struct usbnet
*usbdev
= priv
->usbdev
;
1595 devdbg(usbdev
, "rndis_set_tx_power type:0x%x dbm:%i", type
, dbm
);
1597 /* Device doesn't support changing txpower after initialization, only
1598 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1601 if (type
== TX_POWER_AUTOMATIC
|| dbm
== get_bcm4320_power_dbm(priv
)) {
1602 if (!priv
->radio_on
)
1603 disassociate(usbdev
, true); /* turn on radio */
1611 static int rndis_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1613 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1614 struct usbnet
*usbdev
= priv
->usbdev
;
1616 *dbm
= get_bcm4320_power_dbm(priv
);
1618 devdbg(usbdev
, "rndis_get_tx_power dbm:%i", *dbm
);
1623 #define SCAN_DELAY_JIFFIES (6 * HZ)
1624 static int rndis_scan(struct wiphy
*wiphy
, struct net_device
*dev
,
1625 struct cfg80211_scan_request
*request
)
1627 struct usbnet
*usbdev
= netdev_priv(dev
);
1628 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1632 devdbg(usbdev
, "cfg80211.scan");
1634 /* Get current bssid list from device before new scan, as new scan
1635 * clears internal bssid list.
1637 rndis_check_bssid_list(usbdev
);
1642 if (priv
->scan_request
&& priv
->scan_request
!= request
)
1645 priv
->scan_request
= request
;
1647 tmp
= cpu_to_le32(1);
1648 ret
= rndis_set_oid(usbdev
, OID_802_11_BSSID_LIST_SCAN
, &tmp
,
1651 /* Wait before retrieving scan results from device */
1652 queue_delayed_work(priv
->workqueue
, &priv
->scan_work
,
1653 SCAN_DELAY_JIFFIES
);
1659 static struct cfg80211_bss
*rndis_bss_info_update(struct usbnet
*usbdev
,
1660 struct ndis_80211_bssid_ex
*bssid
)
1662 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1663 struct ieee80211_channel
*channel
;
1667 u16 beacon_interval
;
1668 struct ndis_80211_fixed_ies
*fixed
;
1669 int ie_len
, bssid_len
;
1672 devdbg(usbdev
, " found bssid: '%.32s' [%pM]", bssid
->ssid
.essid
,
1675 /* parse bssid structure */
1676 bssid_len
= le32_to_cpu(bssid
->length
);
1678 if (bssid_len
< sizeof(struct ndis_80211_bssid_ex
) +
1679 sizeof(struct ndis_80211_fixed_ies
))
1682 fixed
= (struct ndis_80211_fixed_ies
*)bssid
->ies
;
1684 ie
= (void *)(bssid
->ies
+ sizeof(struct ndis_80211_fixed_ies
));
1685 ie_len
= min(bssid_len
- (int)sizeof(*bssid
),
1686 (int)le32_to_cpu(bssid
->ie_length
));
1687 ie_len
-= sizeof(struct ndis_80211_fixed_ies
);
1691 /* extract data for cfg80211_inform_bss */
1692 channel
= ieee80211_get_channel(priv
->wdev
.wiphy
,
1693 KHZ_TO_MHZ(le32_to_cpu(bssid
->config
.ds_config
)));
1697 signal
= level_to_qual(le32_to_cpu(bssid
->rssi
));
1698 timestamp
= le64_to_cpu(*(__le64
*)fixed
->timestamp
);
1699 capability
= le16_to_cpu(fixed
->capabilities
);
1700 beacon_interval
= le16_to_cpu(fixed
->beacon_interval
);
1702 return cfg80211_inform_bss(priv
->wdev
.wiphy
, channel
, bssid
->mac
,
1703 timestamp
, capability
, beacon_interval
, ie
, ie_len
, signal
,
1707 static int rndis_check_bssid_list(struct usbnet
*usbdev
)
1710 struct ndis_80211_bssid_list_ex
*bssid_list
;
1711 struct ndis_80211_bssid_ex
*bssid
;
1712 int ret
= -EINVAL
, len
, count
, bssid_len
;
1713 bool resized
= false;
1715 devdbg(usbdev
, "check_bssid_list");
1717 len
= CONTROL_BUFFER_SIZE
;
1719 buf
= kmalloc(len
, GFP_KERNEL
);
1725 ret
= rndis_query_oid(usbdev
, OID_802_11_BSSID_LIST
, buf
, &len
);
1729 if (!resized
&& len
> CONTROL_BUFFER_SIZE
) {
1736 bssid
= bssid_list
->bssid
;
1737 bssid_len
= le32_to_cpu(bssid
->length
);
1738 count
= le32_to_cpu(bssid_list
->num_items
);
1739 devdbg(usbdev
, "check_bssid_list: %d BSSIDs found (buflen: %d)", count
,
1742 while (count
&& ((void *)bssid
+ bssid_len
) <= (buf
+ len
)) {
1743 rndis_bss_info_update(usbdev
, bssid
);
1745 bssid
= (void *)bssid
+ bssid_len
;
1746 bssid_len
= le32_to_cpu(bssid
->length
);
1755 static void rndis_get_scan_results(struct work_struct
*work
)
1757 struct rndis_wlan_private
*priv
=
1758 container_of(work
, struct rndis_wlan_private
, scan_work
.work
);
1759 struct usbnet
*usbdev
= priv
->usbdev
;
1762 devdbg(usbdev
, "get_scan_results");
1764 if (!priv
->scan_request
)
1767 ret
= rndis_check_bssid_list(usbdev
);
1769 cfg80211_scan_done(priv
->scan_request
, ret
< 0);
1771 priv
->scan_request
= NULL
;
1774 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
1775 struct cfg80211_connect_params
*sme
)
1777 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1778 struct usbnet
*usbdev
= priv
->usbdev
;
1779 struct ieee80211_channel
*channel
= sme
->channel
;
1780 struct ndis_80211_ssid ssid
;
1781 int pairwise
= RNDIS_WLAN_ALG_NONE
;
1782 int groupwise
= RNDIS_WLAN_ALG_NONE
;
1783 int keymgmt
= RNDIS_WLAN_KEY_MGMT_NONE
;
1784 int length
, i
, ret
, chan
= -1;
1787 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
1789 groupwise
= rndis_cipher_to_alg(sme
->crypto
.cipher_group
);
1790 for (i
= 0; i
< sme
->crypto
.n_ciphers_pairwise
; i
++)
1792 rndis_cipher_to_alg(sme
->crypto
.ciphers_pairwise
[i
]);
1794 if (sme
->crypto
.n_ciphers_pairwise
> 0 &&
1795 pairwise
== RNDIS_WLAN_ALG_NONE
) {
1796 deverr(usbdev
, "Unsupported pairwise cipher");
1800 for (i
= 0; i
< sme
->crypto
.n_akm_suites
; i
++)
1802 rndis_akm_suite_to_key_mgmt(sme
->crypto
.akm_suites
[i
]);
1804 if (sme
->crypto
.n_akm_suites
> 0 &&
1805 keymgmt
== RNDIS_WLAN_KEY_MGMT_NONE
) {
1806 deverr(usbdev
, "Invalid keymgmt");
1810 devdbg(usbdev
, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
1811 "0x%x]:0x%x)", sme
->ssid
, sme
->bssid
, chan
,
1812 sme
->privacy
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
1813 groupwise
, pairwise
, keymgmt
);
1815 if (is_associated(usbdev
))
1816 disassociate(usbdev
, false);
1818 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1820 devdbg(usbdev
, "connect: set_infra_mode failed, %d", ret
);
1821 goto err_turn_radio_on
;
1824 ret
= set_auth_mode(usbdev
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
1827 devdbg(usbdev
, "connect: set_auth_mode failed, %d", ret
);
1828 goto err_turn_radio_on
;
1831 set_priv_filter(usbdev
);
1833 ret
= set_encr_mode(usbdev
, pairwise
, groupwise
);
1835 devdbg(usbdev
, "connect: set_encr_mode failed, %d", ret
);
1836 goto err_turn_radio_on
;
1840 ret
= set_channel(usbdev
, chan
);
1842 devdbg(usbdev
, "connect: set_channel failed, %d", ret
);
1843 goto err_turn_radio_on
;
1847 if (sme
->key
&& ((groupwise
| pairwise
) & RNDIS_WLAN_ALG_WEP
)) {
1848 priv
->encr_tx_key_index
= sme
->key_idx
;
1849 ret
= add_wep_key(usbdev
, sme
->key
, sme
->key_len
, sme
->key_idx
);
1851 devdbg(usbdev
, "connect: add_wep_key failed, %d "
1852 "(%d, %d)", ret
, sme
->key_len
, sme
->key_idx
);
1853 goto err_turn_radio_on
;
1857 if (sme
->bssid
&& !is_zero_ether_addr(sme
->bssid
) &&
1858 !is_broadcast_ether_addr(sme
->bssid
)) {
1859 ret
= set_bssid(usbdev
, sme
->bssid
);
1861 devdbg(usbdev
, "connect: set_bssid failed, %d", ret
);
1862 goto err_turn_radio_on
;
1865 clear_bssid(usbdev
);
1867 length
= sme
->ssid_len
;
1868 if (length
> NDIS_802_11_LENGTH_SSID
)
1869 length
= NDIS_802_11_LENGTH_SSID
;
1871 memset(&ssid
, 0, sizeof(ssid
));
1872 ssid
.length
= cpu_to_le32(length
);
1873 memcpy(ssid
.essid
, sme
->ssid
, length
);
1875 /* Pause and purge rx queue, so we don't pass packets before
1876 * 'media connect'-indication.
1878 usbnet_pause_rx(usbdev
);
1879 usbnet_purge_paused_rxq(usbdev
);
1881 ret
= set_essid(usbdev
, &ssid
);
1883 devdbg(usbdev
, "connect: set_essid failed, %d", ret
);
1887 disassociate(usbdev
, true);
1892 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
1895 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1896 struct usbnet
*usbdev
= priv
->usbdev
;
1898 devdbg(usbdev
, "cfg80211.disconnect(%d)", reason_code
);
1900 priv
->connected
= false;
1901 memset(priv
->bssid
, 0, ETH_ALEN
);
1903 return deauthenticate(usbdev
);
1906 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
1907 struct cfg80211_ibss_params
*params
)
1909 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1910 struct usbnet
*usbdev
= priv
->usbdev
;
1911 struct ieee80211_channel
*channel
= params
->channel
;
1912 struct ndis_80211_ssid ssid
;
1913 enum nl80211_auth_type auth_type
;
1914 int ret
, alg
, length
, chan
= -1;
1917 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
1919 /* TODO: How to handle ad-hoc encryption?
1920 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1921 * pre-shared for encryption (open/shared/wpa), is key set before
1922 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1924 if (params
->privacy
) {
1925 auth_type
= NL80211_AUTHTYPE_SHARED_KEY
;
1926 alg
= RNDIS_WLAN_ALG_WEP
;
1928 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
1929 alg
= RNDIS_WLAN_ALG_NONE
;
1932 devdbg(usbdev
, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params
->ssid
,
1933 params
->bssid
, chan
, params
->privacy
);
1935 if (is_associated(usbdev
))
1936 disassociate(usbdev
, false);
1938 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_ADHOC
);
1940 devdbg(usbdev
, "join_ibss: set_infra_mode failed, %d", ret
);
1941 goto err_turn_radio_on
;
1944 ret
= set_auth_mode(usbdev
, 0, auth_type
, RNDIS_WLAN_KEY_MGMT_NONE
);
1946 devdbg(usbdev
, "join_ibss: set_auth_mode failed, %d", ret
);
1947 goto err_turn_radio_on
;
1950 set_priv_filter(usbdev
);
1952 ret
= set_encr_mode(usbdev
, alg
, RNDIS_WLAN_ALG_NONE
);
1954 devdbg(usbdev
, "join_ibss: set_encr_mode failed, %d", ret
);
1955 goto err_turn_radio_on
;
1959 ret
= set_channel(usbdev
, chan
);
1961 devdbg(usbdev
, "join_ibss: set_channel failed, %d",
1963 goto err_turn_radio_on
;
1967 if (params
->bssid
&& !is_zero_ether_addr(params
->bssid
) &&
1968 !is_broadcast_ether_addr(params
->bssid
)) {
1969 ret
= set_bssid(usbdev
, params
->bssid
);
1971 devdbg(usbdev
, "join_ibss: set_bssid failed, %d", ret
);
1972 goto err_turn_radio_on
;
1975 clear_bssid(usbdev
);
1977 length
= params
->ssid_len
;
1978 if (length
> NDIS_802_11_LENGTH_SSID
)
1979 length
= NDIS_802_11_LENGTH_SSID
;
1981 memset(&ssid
, 0, sizeof(ssid
));
1982 ssid
.length
= cpu_to_le32(length
);
1983 memcpy(ssid
.essid
, params
->ssid
, length
);
1985 /* Don't need to pause rx queue for ad-hoc. */
1986 usbnet_purge_paused_rxq(usbdev
);
1987 usbnet_resume_rx(usbdev
);
1989 ret
= set_essid(usbdev
, &ssid
);
1991 devdbg(usbdev
, "join_ibss: set_essid failed, %d", ret
);
1995 disassociate(usbdev
, true);
2000 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2002 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2003 struct usbnet
*usbdev
= priv
->usbdev
;
2005 devdbg(usbdev
, "cfg80211.leave_ibss()");
2007 priv
->connected
= false;
2008 memset(priv
->bssid
, 0, ETH_ALEN
);
2010 return deauthenticate(usbdev
);
2013 static int rndis_set_channel(struct wiphy
*wiphy
,
2014 struct ieee80211_channel
*chan
, enum nl80211_channel_type channel_type
)
2016 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2017 struct usbnet
*usbdev
= priv
->usbdev
;
2019 return set_channel(usbdev
,
2020 ieee80211_frequency_to_channel(chan
->center_freq
));
2023 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2024 u8 key_index
, const u8
*mac_addr
,
2025 struct key_params
*params
)
2027 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2028 struct usbnet
*usbdev
= priv
->usbdev
;
2031 devdbg(usbdev
, "rndis_add_key(%i, %pM, %08x)", key_index
, mac_addr
,
2034 switch (params
->cipher
) {
2035 case WLAN_CIPHER_SUITE_WEP40
:
2036 case WLAN_CIPHER_SUITE_WEP104
:
2037 return add_wep_key(usbdev
, params
->key
, params
->key_len
,
2039 case WLAN_CIPHER_SUITE_TKIP
:
2040 case WLAN_CIPHER_SUITE_CCMP
:
2043 if (params
->seq
&& params
->seq_len
> 0)
2044 flags
|= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
;
2046 flags
|= NDIS_80211_ADDKEY_PAIRWISE_KEY
|
2047 NDIS_80211_ADDKEY_TRANSMIT_KEY
;
2049 return add_wpa_key(usbdev
, params
->key
, params
->key_len
,
2050 key_index
, mac_addr
, params
->seq
,
2051 params
->seq_len
, params
->cipher
, flags
);
2053 devdbg(usbdev
, "rndis_add_key: unsupported cipher %08x",
2059 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2060 u8 key_index
, const u8
*mac_addr
)
2062 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2063 struct usbnet
*usbdev
= priv
->usbdev
;
2065 devdbg(usbdev
, "rndis_del_key(%i, %pM)", key_index
, mac_addr
);
2067 return remove_key(usbdev
, key_index
, mac_addr
);
2070 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2073 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2074 struct usbnet
*usbdev
= priv
->usbdev
;
2075 struct rndis_wlan_encr_key key
;
2077 devdbg(usbdev
, "rndis_set_default_key(%i)", key_index
);
2079 priv
->encr_tx_key_index
= key_index
;
2081 key
= priv
->encr_keys
[key_index
];
2083 return add_wep_key(usbdev
, key
.material
, key
.len
, key_index
);
2086 static void rndis_fill_station_info(struct usbnet
*usbdev
,
2087 struct station_info
*sinfo
)
2089 __le32 linkspeed
, rssi
;
2092 memset(sinfo
, 0, sizeof(*sinfo
));
2094 len
= sizeof(linkspeed
);
2095 ret
= rndis_query_oid(usbdev
, OID_GEN_LINK_SPEED
, &linkspeed
, &len
);
2097 sinfo
->txrate
.legacy
= le32_to_cpu(linkspeed
) / 1000;
2098 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
2102 ret
= rndis_query_oid(usbdev
, OID_802_11_RSSI
, &rssi
, &len
);
2104 sinfo
->signal
= level_to_qual(le32_to_cpu(rssi
));
2105 sinfo
->filled
|= STATION_INFO_SIGNAL
;
2109 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2110 u8
*mac
, struct station_info
*sinfo
)
2112 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2113 struct usbnet
*usbdev
= priv
->usbdev
;
2115 if (compare_ether_addr(priv
->bssid
, mac
))
2118 rndis_fill_station_info(usbdev
, sinfo
);
2123 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2124 int idx
, u8
*mac
, struct station_info
*sinfo
)
2126 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2127 struct usbnet
*usbdev
= priv
->usbdev
;
2132 memcpy(mac
, priv
->bssid
, ETH_ALEN
);
2134 rndis_fill_station_info(usbdev
, sinfo
);
2140 * workers, indication handlers, device poller
2142 static void rndis_wlan_do_link_up_work(struct usbnet
*usbdev
)
2144 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2145 struct ndis_80211_assoc_info
*info
;
2146 u8 assoc_buf
[sizeof(*info
) + IW_CUSTOM_MAX
+ 32];
2148 int resp_ie_len
, req_ie_len
;
2149 u8
*req_ie
, *resp_ie
;
2151 bool roamed
= false;
2153 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
&& priv
->connected
) {
2154 /* received media connect indication while connected, either
2155 * device reassociated with same AP or roamed to new. */
2164 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2165 memset(assoc_buf
, 0, sizeof(assoc_buf
));
2166 info
= (void *)assoc_buf
;
2168 /* Get association info IEs from device and send them back to
2170 ret
= get_association_info(usbdev
, info
, sizeof(assoc_buf
));
2172 req_ie_len
= le32_to_cpu(info
->req_ie_length
);
2173 if (req_ie_len
> 0) {
2174 offset
= le32_to_cpu(info
->offset_req_ies
);
2175 req_ie
= (u8
*)info
+ offset
;
2178 resp_ie_len
= le32_to_cpu(info
->resp_ie_length
);
2179 if (resp_ie_len
> 0) {
2180 offset
= le32_to_cpu(info
->offset_resp_ies
);
2181 resp_ie
= (u8
*)info
+ offset
;
2184 } else if (WARN_ON(priv
->infra_mode
!= NDIS_80211_INFRA_ADHOC
))
2187 ret
= get_bssid(usbdev
, bssid
);
2189 memset(bssid
, 0, sizeof(bssid
));
2191 devdbg(usbdev
, "link up work: [%pM] %s", bssid
, roamed
? "roamed" : "");
2193 /* Internal bss list in device always contains at least the currently
2194 * connected bss and we can get it to cfg80211 with
2195 * rndis_check_bssid_list().
2196 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2199 rndis_check_bssid_list(usbdev
);
2201 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2203 cfg80211_connect_result(usbdev
->net
, bssid
, req_ie
,
2204 req_ie_len
, resp_ie
,
2205 resp_ie_len
, 0, GFP_KERNEL
);
2207 cfg80211_roamed(usbdev
->net
, bssid
, req_ie
, req_ie_len
,
2208 resp_ie
, resp_ie_len
, GFP_KERNEL
);
2209 } else if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
2210 cfg80211_ibss_joined(usbdev
->net
, bssid
, GFP_KERNEL
);
2212 priv
->connected
= true;
2213 memcpy(priv
->bssid
, bssid
, ETH_ALEN
);
2215 usbnet_resume_rx(usbdev
);
2216 netif_carrier_on(usbdev
->net
);
2219 static void rndis_wlan_do_link_down_work(struct usbnet
*usbdev
)
2221 union iwreq_data evt
;
2223 netif_carrier_off(usbdev
->net
);
2226 evt
.data
.length
= 0;
2227 memset(evt
.ap_addr
.sa_data
, 0, ETH_ALEN
);
2228 wireless_send_event(usbdev
->net
, SIOCGIWAP
, &evt
, NULL
);
2231 static void rndis_wlan_worker(struct work_struct
*work
)
2233 struct rndis_wlan_private
*priv
=
2234 container_of(work
, struct rndis_wlan_private
, work
);
2235 struct usbnet
*usbdev
= priv
->usbdev
;
2237 if (test_and_clear_bit(WORK_LINK_UP
, &priv
->work_pending
))
2238 rndis_wlan_do_link_up_work(usbdev
);
2240 if (test_and_clear_bit(WORK_LINK_DOWN
, &priv
->work_pending
))
2241 rndis_wlan_do_link_down_work(usbdev
);
2243 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2244 set_multicast_list(usbdev
);
2247 static void rndis_wlan_set_multicast_list(struct net_device
*dev
)
2249 struct usbnet
*usbdev
= netdev_priv(dev
);
2250 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2252 if (test_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2255 set_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
);
2256 queue_work(priv
->workqueue
, &priv
->work
);
2259 static void rndis_wlan_auth_indication(struct usbnet
*usbdev
,
2260 struct ndis_80211_status_indication
*indication
,
2265 int flags
, buflen
, key_id
;
2266 bool pairwise_error
, group_error
;
2267 struct ndis_80211_auth_request
*auth_req
;
2268 enum nl80211_key_type key_type
;
2270 /* must have at least one array entry */
2271 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2272 sizeof(struct ndis_80211_auth_request
)) {
2273 devinfo(usbdev
, "authentication indication: "
2274 "too short message (%i)", len
);
2278 buf
= (void *)&indication
->u
.auth_request
[0];
2279 buflen
= len
- offsetof(struct ndis_80211_status_indication
, u
);
2281 while (buflen
>= sizeof(*auth_req
)) {
2282 auth_req
= (void *)buf
;
2284 flags
= le32_to_cpu(auth_req
->flags
);
2285 pairwise_error
= false;
2286 group_error
= false;
2289 type
= "reauth request";
2291 type
= "key update request";
2293 pairwise_error
= true;
2294 type
= "pairwise_error";
2298 type
= "group_error";
2301 devinfo(usbdev
, "authentication indication: %s (0x%08x)", type
,
2302 le32_to_cpu(auth_req
->flags
));
2304 if (pairwise_error
) {
2305 key_type
= NL80211_KEYTYPE_PAIRWISE
;
2308 cfg80211_michael_mic_failure(usbdev
->net
,
2310 key_type
, key_id
, NULL
,
2315 key_type
= NL80211_KEYTYPE_GROUP
;
2318 cfg80211_michael_mic_failure(usbdev
->net
,
2320 key_type
, key_id
, NULL
,
2324 buflen
-= le32_to_cpu(auth_req
->length
);
2325 buf
+= le32_to_cpu(auth_req
->length
);
2329 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet
*usbdev
,
2330 struct ndis_80211_status_indication
*indication
,
2333 struct ndis_80211_pmkid_cand_list
*cand_list
;
2334 int list_len
, expected_len
, i
;
2336 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2337 sizeof(struct ndis_80211_pmkid_cand_list
)) {
2338 devinfo(usbdev
, "pmkid candidate list indication: "
2339 "too short message (%i)", len
);
2343 list_len
= le32_to_cpu(indication
->u
.cand_list
.num_candidates
) *
2344 sizeof(struct ndis_80211_pmkid_candidate
);
2345 expected_len
= sizeof(struct ndis_80211_pmkid_cand_list
) + list_len
+
2346 offsetof(struct ndis_80211_status_indication
, u
);
2348 if (len
< expected_len
) {
2349 devinfo(usbdev
, "pmkid candidate list indication: "
2350 "list larger than buffer (%i < %i)",
2355 cand_list
= &indication
->u
.cand_list
;
2357 devinfo(usbdev
, "pmkid candidate list indication: "
2358 "version %i, candidates %i",
2359 le32_to_cpu(cand_list
->version
),
2360 le32_to_cpu(cand_list
->num_candidates
));
2362 if (le32_to_cpu(cand_list
->version
) != 1)
2365 for (i
= 0; i
< le32_to_cpu(cand_list
->num_candidates
); i
++) {
2366 struct ndis_80211_pmkid_candidate
*cand
=
2367 &cand_list
->candidate_list
[i
];
2369 devdbg(usbdev
, "cand[%i]: flags: 0x%08x, bssid: %pM",
2370 i
, le32_to_cpu(cand
->flags
), cand
->bssid
);
2373 struct iw_pmkid_cand pcand
;
2374 union iwreq_data wrqu
;
2376 memset(&pcand
, 0, sizeof(pcand
));
2377 if (le32_to_cpu(cand
->flags
) & 0x01)
2378 pcand
.flags
|= IW_PMKID_CAND_PREAUTH
;
2380 memcpy(pcand
.bssid
.sa_data
, cand
->bssid
, ETH_ALEN
);
2382 memset(&wrqu
, 0, sizeof(wrqu
));
2383 wrqu
.data
.length
= sizeof(pcand
);
2384 wireless_send_event(usbdev
->net
, IWEVPMKIDCAND
, &wrqu
,
2390 static void rndis_wlan_media_specific_indication(struct usbnet
*usbdev
,
2391 struct rndis_indicate
*msg
, int buflen
)
2393 struct ndis_80211_status_indication
*indication
;
2396 offset
= offsetof(struct rndis_indicate
, status
) +
2397 le32_to_cpu(msg
->offset
);
2398 len
= le32_to_cpu(msg
->length
);
2401 devinfo(usbdev
, "media specific indication, "
2402 "ignore too short message (%i < 8)", len
);
2406 if (offset
+ len
> buflen
) {
2407 devinfo(usbdev
, "media specific indication, "
2408 "too large to fit to buffer (%i > %i)",
2409 offset
+ len
, buflen
);
2413 indication
= (void *)((u8
*)msg
+ offset
);
2415 switch (le32_to_cpu(indication
->status_type
)) {
2416 case NDIS_80211_STATUSTYPE_RADIOSTATE
:
2417 devinfo(usbdev
, "radio state indication: %i",
2418 le32_to_cpu(indication
->u
.radio_status
));
2421 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE
:
2422 devinfo(usbdev
, "media stream mode indication: %i",
2423 le32_to_cpu(indication
->u
.media_stream_mode
));
2426 case NDIS_80211_STATUSTYPE_AUTHENTICATION
:
2427 rndis_wlan_auth_indication(usbdev
, indication
, len
);
2430 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST
:
2431 rndis_wlan_pmkid_cand_list_indication(usbdev
, indication
, len
);
2435 devinfo(usbdev
, "media specific indication: "
2436 "unknown status type 0x%08x",
2437 le32_to_cpu(indication
->status_type
));
2441 static void rndis_wlan_indication(struct usbnet
*usbdev
, void *ind
, int buflen
)
2443 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2444 struct rndis_indicate
*msg
= ind
;
2446 switch (msg
->status
) {
2447 case RNDIS_STATUS_MEDIA_CONNECT
:
2448 if (priv
->current_command_oid
== OID_802_11_ADD_KEY
) {
2449 /* OID_802_11_ADD_KEY causes sometimes extra
2450 * "media connect" indications which confuses driver
2451 * and userspace to think that device is
2452 * roaming/reassociating when it isn't.
2454 devdbg(usbdev
, "ignored OID_802_11_ADD_KEY triggered "
2459 usbnet_pause_rx(usbdev
);
2461 devinfo(usbdev
, "media connect");
2463 /* queue work to avoid recursive calls into rndis_command */
2464 set_bit(WORK_LINK_UP
, &priv
->work_pending
);
2465 queue_work(priv
->workqueue
, &priv
->work
);
2468 case RNDIS_STATUS_MEDIA_DISCONNECT
:
2469 devinfo(usbdev
, "media disconnect");
2471 /* queue work to avoid recursive calls into rndis_command */
2472 set_bit(WORK_LINK_DOWN
, &priv
->work_pending
);
2473 queue_work(priv
->workqueue
, &priv
->work
);
2476 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION
:
2477 rndis_wlan_media_specific_indication(usbdev
, msg
, buflen
);
2481 devinfo(usbdev
, "indication: 0x%08x",
2482 le32_to_cpu(msg
->status
));
2487 static int rndis_wlan_get_caps(struct usbnet
*usbdev
)
2492 } networks_supported
;
2493 int len
, retval
, i
, n
;
2494 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2496 /* determine supported modes */
2497 len
= sizeof(networks_supported
);
2498 retval
= rndis_query_oid(usbdev
, OID_802_11_NETWORK_TYPES_SUPPORTED
,
2499 &networks_supported
, &len
);
2501 n
= le32_to_cpu(networks_supported
.num_items
);
2504 for (i
= 0; i
< n
; i
++) {
2505 switch (le32_to_cpu(networks_supported
.items
[i
])) {
2506 case NDIS_80211_TYPE_FREQ_HOP
:
2507 case NDIS_80211_TYPE_DIRECT_SEQ
:
2508 priv
->caps
|= CAP_MODE_80211B
;
2510 case NDIS_80211_TYPE_OFDM_A
:
2511 priv
->caps
|= CAP_MODE_80211A
;
2513 case NDIS_80211_TYPE_OFDM_G
:
2514 priv
->caps
|= CAP_MODE_80211G
;
2523 #define DEVICE_POLLER_JIFFIES (HZ)
2524 static void rndis_device_poller(struct work_struct
*work
)
2526 struct rndis_wlan_private
*priv
=
2527 container_of(work
, struct rndis_wlan_private
,
2528 dev_poller_work
.work
);
2529 struct usbnet
*usbdev
= priv
->usbdev
;
2532 int update_jiffies
= DEVICE_POLLER_JIFFIES
;
2535 /* Only check/do workaround when connected. Calling is_associated()
2536 * also polls device with rndis_command() and catches for media link
2539 if (!is_associated(usbdev
))
2543 ret
= rndis_query_oid(usbdev
, OID_802_11_RSSI
, &rssi
, &len
);
2545 priv
->last_qual
= level_to_qual(le32_to_cpu(rssi
));
2547 devdbg(usbdev
, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d",
2548 ret
, le32_to_cpu(rssi
), level_to_qual(le32_to_cpu(rssi
)));
2550 /* Workaround transfer stalls on poor quality links.
2551 * TODO: find right way to fix these stalls (as stalls do not happen
2552 * with ndiswrapper/windows driver). */
2553 if (priv
->last_qual
<= 25) {
2554 /* Decrease stats worker interval to catch stalls.
2555 * faster. Faster than 400-500ms causes packet loss,
2556 * Slower doesn't catch stalls fast enough.
2558 j
= msecs_to_jiffies(priv
->param_workaround_interval
);
2559 if (j
> DEVICE_POLLER_JIFFIES
)
2560 j
= DEVICE_POLLER_JIFFIES
;
2565 /* Send scan OID. Use of both OIDs is required to get device
2568 tmp
= cpu_to_le32(1);
2569 rndis_set_oid(usbdev
, OID_802_11_BSSID_LIST_SCAN
, &tmp
,
2572 len
= CONTROL_BUFFER_SIZE
;
2573 buf
= kmalloc(len
, GFP_KERNEL
);
2577 rndis_query_oid(usbdev
, OID_802_11_BSSID_LIST
, buf
, &len
);
2582 if (update_jiffies
>= HZ
)
2583 update_jiffies
= round_jiffies_relative(update_jiffies
);
2585 j
= round_jiffies_relative(update_jiffies
);
2586 if (abs(j
- update_jiffies
) <= 10)
2590 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
2595 * driver/device initialization
2597 static int bcm4320a_early_init(struct usbnet
*usbdev
)
2599 /* bcm4320a doesn't handle configuration parameters well. Try
2600 * set any and you get partially zeroed mac and broken device.
2606 static int bcm4320b_early_init(struct usbnet
*usbdev
)
2608 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2611 /* Early initialization settings, setting these won't have effect
2612 * if called after generic_rndis_bind().
2615 priv
->param_country
[0] = modparam_country
[0];
2616 priv
->param_country
[1] = modparam_country
[1];
2617 priv
->param_country
[2] = 0;
2618 priv
->param_frameburst
= modparam_frameburst
;
2619 priv
->param_afterburner
= modparam_afterburner
;
2620 priv
->param_power_save
= modparam_power_save
;
2621 priv
->param_power_output
= modparam_power_output
;
2622 priv
->param_roamtrigger
= modparam_roamtrigger
;
2623 priv
->param_roamdelta
= modparam_roamdelta
;
2625 priv
->param_country
[0] = toupper(priv
->param_country
[0]);
2626 priv
->param_country
[1] = toupper(priv
->param_country
[1]);
2627 /* doesn't support EU as country code, use FI instead */
2628 if (!strcmp(priv
->param_country
, "EU"))
2629 strcpy(priv
->param_country
, "FI");
2631 if (priv
->param_power_save
< 0)
2632 priv
->param_power_save
= 0;
2633 else if (priv
->param_power_save
> 2)
2634 priv
->param_power_save
= 2;
2636 if (priv
->param_power_output
< 0)
2637 priv
->param_power_output
= 0;
2638 else if (priv
->param_power_output
> 3)
2639 priv
->param_power_output
= 3;
2641 if (priv
->param_roamtrigger
< -80)
2642 priv
->param_roamtrigger
= -80;
2643 else if (priv
->param_roamtrigger
> -60)
2644 priv
->param_roamtrigger
= -60;
2646 if (priv
->param_roamdelta
< 0)
2647 priv
->param_roamdelta
= 0;
2648 else if (priv
->param_roamdelta
> 2)
2649 priv
->param_roamdelta
= 2;
2651 if (modparam_workaround_interval
< 0)
2652 priv
->param_workaround_interval
= 500;
2654 priv
->param_workaround_interval
= modparam_workaround_interval
;
2656 rndis_set_config_parameter_str(usbdev
, "Country", priv
->param_country
);
2657 rndis_set_config_parameter_str(usbdev
, "FrameBursting",
2658 priv
->param_frameburst
? "1" : "0");
2659 rndis_set_config_parameter_str(usbdev
, "Afterburner",
2660 priv
->param_afterburner
? "1" : "0");
2661 sprintf(buf
, "%d", priv
->param_power_save
);
2662 rndis_set_config_parameter_str(usbdev
, "PowerSaveMode", buf
);
2663 sprintf(buf
, "%d", priv
->param_power_output
);
2664 rndis_set_config_parameter_str(usbdev
, "PwrOut", buf
);
2665 sprintf(buf
, "%d", priv
->param_roamtrigger
);
2666 rndis_set_config_parameter_str(usbdev
, "RoamTrigger", buf
);
2667 sprintf(buf
, "%d", priv
->param_roamdelta
);
2668 rndis_set_config_parameter_str(usbdev
, "RoamDelta", buf
);
2673 /* same as rndis_netdev_ops but with local multicast handler */
2674 static const struct net_device_ops rndis_wlan_netdev_ops
= {
2675 .ndo_open
= usbnet_open
,
2676 .ndo_stop
= usbnet_stop
,
2677 .ndo_start_xmit
= usbnet_start_xmit
,
2678 .ndo_tx_timeout
= usbnet_tx_timeout
,
2679 .ndo_set_mac_address
= eth_mac_addr
,
2680 .ndo_validate_addr
= eth_validate_addr
,
2681 .ndo_set_multicast_list
= rndis_wlan_set_multicast_list
,
2684 static int rndis_wlan_bind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
2686 struct wiphy
*wiphy
;
2687 struct rndis_wlan_private
*priv
;
2691 /* allocate wiphy and rndis private data
2692 * NOTE: We only support a single virtual interface, so wiphy
2693 * and wireless_dev are somewhat synonymous for this device.
2695 wiphy
= wiphy_new(&rndis_config_ops
, sizeof(struct rndis_wlan_private
));
2699 priv
= wiphy_priv(wiphy
);
2700 usbdev
->net
->ieee80211_ptr
= &priv
->wdev
;
2701 priv
->wdev
.wiphy
= wiphy
;
2702 priv
->wdev
.iftype
= NL80211_IFTYPE_STATION
;
2704 /* These have to be initialized before calling generic_rndis_bind().
2705 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2707 usbdev
->driver_priv
= priv
;
2708 priv
->usbdev
= usbdev
;
2710 mutex_init(&priv
->command_lock
);
2712 /* because rndis_command() sleeps we need to use workqueue */
2713 priv
->workqueue
= create_singlethread_workqueue("rndis_wlan");
2714 INIT_WORK(&priv
->work
, rndis_wlan_worker
);
2715 INIT_DELAYED_WORK(&priv
->dev_poller_work
, rndis_device_poller
);
2716 INIT_DELAYED_WORK(&priv
->scan_work
, rndis_get_scan_results
);
2718 /* try bind rndis_host */
2719 retval
= generic_rndis_bind(usbdev
, intf
, FLAG_RNDIS_PHYM_WIRELESS
);
2723 /* generic_rndis_bind set packet filter to multicast_all+
2724 * promisc mode which doesn't work well for our devices (device
2725 * picks up rssi to closest station instead of to access point).
2727 * rndis_host wants to avoid all OID as much as possible
2728 * so do promisc/multicast handling in rndis_wlan.
2730 usbdev
->net
->netdev_ops
= &rndis_wlan_netdev_ops
;
2732 tmp
= RNDIS_PACKET_TYPE_DIRECTED
| RNDIS_PACKET_TYPE_BROADCAST
;
2733 retval
= rndis_set_oid(usbdev
, OID_GEN_CURRENT_PACKET_FILTER
, &tmp
,
2737 retval
= rndis_query_oid(usbdev
, OID_802_3_MAXIMUM_LIST_SIZE
, &tmp
,
2739 priv
->multicast_size
= le32_to_cpu(tmp
);
2740 if (retval
< 0 || priv
->multicast_size
< 0)
2741 priv
->multicast_size
= 0;
2742 if (priv
->multicast_size
> 0)
2743 usbdev
->net
->flags
|= IFF_MULTICAST
;
2745 usbdev
->net
->flags
&= ~IFF_MULTICAST
;
2747 /* fill-out wiphy structure and register w/ cfg80211 */
2748 memcpy(wiphy
->perm_addr
, usbdev
->net
->dev_addr
, ETH_ALEN
);
2749 wiphy
->privid
= rndis_wiphy_privid
;
2750 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
)
2751 | BIT(NL80211_IFTYPE_ADHOC
);
2752 wiphy
->max_scan_ssids
= 1;
2754 /* TODO: fill-out band/encr information based on priv->caps */
2755 rndis_wlan_get_caps(usbdev
);
2757 memcpy(priv
->channels
, rndis_channels
, sizeof(rndis_channels
));
2758 memcpy(priv
->rates
, rndis_rates
, sizeof(rndis_rates
));
2759 priv
->band
.channels
= priv
->channels
;
2760 priv
->band
.n_channels
= ARRAY_SIZE(rndis_channels
);
2761 priv
->band
.bitrates
= priv
->rates
;
2762 priv
->band
.n_bitrates
= ARRAY_SIZE(rndis_rates
);
2763 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
2764 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_UNSPEC
;
2766 memcpy(priv
->cipher_suites
, rndis_cipher_suites
,
2767 sizeof(rndis_cipher_suites
));
2768 wiphy
->cipher_suites
= priv
->cipher_suites
;
2769 wiphy
->n_cipher_suites
= ARRAY_SIZE(rndis_cipher_suites
);
2771 set_wiphy_dev(wiphy
, &usbdev
->udev
->dev
);
2773 if (wiphy_register(wiphy
)) {
2778 set_default_iw_params(usbdev
);
2780 /* set default rts/frag */
2781 rndis_set_wiphy_params(wiphy
,
2782 WIPHY_PARAM_FRAG_THRESHOLD
| WIPHY_PARAM_RTS_THRESHOLD
);
2785 priv
->radio_on
= true;
2786 disassociate(usbdev
, true);
2787 netif_carrier_off(usbdev
->net
);
2792 cancel_delayed_work_sync(&priv
->dev_poller_work
);
2793 cancel_delayed_work_sync(&priv
->scan_work
);
2794 cancel_work_sync(&priv
->work
);
2795 flush_workqueue(priv
->workqueue
);
2796 destroy_workqueue(priv
->workqueue
);
2802 static void rndis_wlan_unbind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
2804 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2806 /* turn radio off */
2807 disassociate(usbdev
, false);
2809 cancel_delayed_work_sync(&priv
->dev_poller_work
);
2810 cancel_delayed_work_sync(&priv
->scan_work
);
2811 cancel_work_sync(&priv
->work
);
2812 flush_workqueue(priv
->workqueue
);
2813 destroy_workqueue(priv
->workqueue
);
2815 if (priv
&& priv
->wpa_ie_len
)
2816 kfree(priv
->wpa_ie
);
2818 rndis_unbind(usbdev
, intf
);
2820 wiphy_unregister(priv
->wdev
.wiphy
);
2821 wiphy_free(priv
->wdev
.wiphy
);
2824 static int rndis_wlan_reset(struct usbnet
*usbdev
)
2826 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2829 devdbg(usbdev
, "rndis_wlan_reset");
2831 retval
= rndis_reset(usbdev
);
2833 devwarn(usbdev
, "rndis_reset() failed: %d", retval
);
2835 /* rndis_reset cleared multicast list, so restore here.
2836 (set_multicast_list() also turns on current packet filter) */
2837 set_multicast_list(usbdev
);
2839 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
2840 round_jiffies_relative(DEVICE_POLLER_JIFFIES
));
2842 return deauthenticate(usbdev
);
2845 static int rndis_wlan_stop(struct usbnet
*usbdev
)
2847 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2851 devdbg(usbdev
, "rndis_wlan_stop");
2853 retval
= disassociate(usbdev
, false);
2855 priv
->work_pending
= 0;
2856 cancel_delayed_work_sync(&priv
->dev_poller_work
);
2857 cancel_delayed_work_sync(&priv
->scan_work
);
2858 cancel_work_sync(&priv
->work
);
2859 flush_workqueue(priv
->workqueue
);
2861 if (priv
->scan_request
) {
2862 cfg80211_scan_done(priv
->scan_request
, true);
2863 priv
->scan_request
= NULL
;
2866 /* Set current packet filter zero to block receiving data packets from
2869 rndis_set_oid(usbdev
, OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
2875 static const struct driver_info bcm4320b_info
= {
2876 .description
= "Wireless RNDIS device, BCM4320b based",
2877 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
2878 FLAG_AVOID_UNLINK_URBS
,
2879 .bind
= rndis_wlan_bind
,
2880 .unbind
= rndis_wlan_unbind
,
2881 .status
= rndis_status
,
2882 .rx_fixup
= rndis_rx_fixup
,
2883 .tx_fixup
= rndis_tx_fixup
,
2884 .reset
= rndis_wlan_reset
,
2885 .stop
= rndis_wlan_stop
,
2886 .early_init
= bcm4320b_early_init
,
2887 .indication
= rndis_wlan_indication
,
2890 static const struct driver_info bcm4320a_info
= {
2891 .description
= "Wireless RNDIS device, BCM4320a based",
2892 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
2893 FLAG_AVOID_UNLINK_URBS
,
2894 .bind
= rndis_wlan_bind
,
2895 .unbind
= rndis_wlan_unbind
,
2896 .status
= rndis_status
,
2897 .rx_fixup
= rndis_rx_fixup
,
2898 .tx_fixup
= rndis_tx_fixup
,
2899 .reset
= rndis_wlan_reset
,
2900 .stop
= rndis_wlan_stop
,
2901 .early_init
= bcm4320a_early_init
,
2902 .indication
= rndis_wlan_indication
,
2905 static const struct driver_info rndis_wlan_info
= {
2906 .description
= "Wireless RNDIS device",
2907 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
2908 FLAG_AVOID_UNLINK_URBS
,
2909 .bind
= rndis_wlan_bind
,
2910 .unbind
= rndis_wlan_unbind
,
2911 .status
= rndis_status
,
2912 .rx_fixup
= rndis_rx_fixup
,
2913 .tx_fixup
= rndis_tx_fixup
,
2914 .reset
= rndis_wlan_reset
,
2915 .stop
= rndis_wlan_stop
,
2916 .early_init
= bcm4320a_early_init
,
2917 .indication
= rndis_wlan_indication
,
2920 /*-------------------------------------------------------------------------*/
2922 static const struct usb_device_id products
[] = {
2923 #define RNDIS_MASTER_INTERFACE \
2924 .bInterfaceClass = USB_CLASS_COMM, \
2925 .bInterfaceSubClass = 2 /* ACM */, \
2926 .bInterfaceProtocol = 0x0ff
2928 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2929 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2932 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2933 | USB_DEVICE_ID_MATCH_DEVICE
,
2935 .idProduct
= 0x00bc, /* Buffalo WLI-U2-KG125S */
2936 RNDIS_MASTER_INTERFACE
,
2937 .driver_info
= (unsigned long) &bcm4320b_info
,
2939 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2940 | USB_DEVICE_ID_MATCH_DEVICE
,
2942 .idProduct
= 0x011b, /* U.S. Robotics USR5421 */
2943 RNDIS_MASTER_INTERFACE
,
2944 .driver_info
= (unsigned long) &bcm4320b_info
,
2946 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2947 | USB_DEVICE_ID_MATCH_DEVICE
,
2949 .idProduct
= 0x011b, /* Belkin F5D7051 */
2950 RNDIS_MASTER_INTERFACE
,
2951 .driver_info
= (unsigned long) &bcm4320b_info
,
2953 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2954 | USB_DEVICE_ID_MATCH_DEVICE
,
2955 .idVendor
= 0x1799, /* Belkin has two vendor ids */
2956 .idProduct
= 0x011b, /* Belkin F5D7051 */
2957 RNDIS_MASTER_INTERFACE
,
2958 .driver_info
= (unsigned long) &bcm4320b_info
,
2960 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2961 | USB_DEVICE_ID_MATCH_DEVICE
,
2963 .idProduct
= 0x0014, /* Linksys WUSB54GSv2 */
2964 RNDIS_MASTER_INTERFACE
,
2965 .driver_info
= (unsigned long) &bcm4320b_info
,
2967 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2968 | USB_DEVICE_ID_MATCH_DEVICE
,
2970 .idProduct
= 0x0026, /* Linksys WUSB54GSC */
2971 RNDIS_MASTER_INTERFACE
,
2972 .driver_info
= (unsigned long) &bcm4320b_info
,
2974 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2975 | USB_DEVICE_ID_MATCH_DEVICE
,
2977 .idProduct
= 0x1717, /* Asus WL169gE */
2978 RNDIS_MASTER_INTERFACE
,
2979 .driver_info
= (unsigned long) &bcm4320b_info
,
2981 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2982 | USB_DEVICE_ID_MATCH_DEVICE
,
2984 .idProduct
= 0xd11b, /* Eminent EM4045 */
2985 RNDIS_MASTER_INTERFACE
,
2986 .driver_info
= (unsigned long) &bcm4320b_info
,
2988 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
2989 | USB_DEVICE_ID_MATCH_DEVICE
,
2991 .idProduct
= 0x0715, /* BT Voyager 1055 */
2992 RNDIS_MASTER_INTERFACE
,
2993 .driver_info
= (unsigned long) &bcm4320b_info
,
2995 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2996 * parameters available, hardware probably contain older firmware version with
2997 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3000 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3001 | USB_DEVICE_ID_MATCH_DEVICE
,
3003 .idProduct
= 0x000e, /* Linksys WUSB54GSv1 */
3004 RNDIS_MASTER_INTERFACE
,
3005 .driver_info
= (unsigned long) &bcm4320a_info
,
3007 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3008 | USB_DEVICE_ID_MATCH_DEVICE
,
3010 .idProduct
= 0x0111, /* U.S. Robotics USR5420 */
3011 RNDIS_MASTER_INTERFACE
,
3012 .driver_info
= (unsigned long) &bcm4320a_info
,
3014 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3015 | USB_DEVICE_ID_MATCH_DEVICE
,
3017 .idProduct
= 0x004b, /* BUFFALO WLI-USB-G54 */
3018 RNDIS_MASTER_INTERFACE
,
3019 .driver_info
= (unsigned long) &bcm4320a_info
,
3021 /* Generic Wireless RNDIS devices that we don't have exact
3022 * idVendor/idProduct/chip yet.
3025 /* RNDIS is MSFT's un-official variant of CDC ACM */
3026 USB_INTERFACE_INFO(USB_CLASS_COMM
, 2 /* ACM */, 0x0ff),
3027 .driver_info
= (unsigned long) &rndis_wlan_info
,
3029 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3030 USB_INTERFACE_INFO(USB_CLASS_MISC
, 1, 1),
3031 .driver_info
= (unsigned long) &rndis_wlan_info
,
3035 MODULE_DEVICE_TABLE(usb
, products
);
3037 static struct usb_driver rndis_wlan_driver
= {
3038 .name
= "rndis_wlan",
3039 .id_table
= products
,
3040 .probe
= usbnet_probe
,
3041 .disconnect
= usbnet_disconnect
,
3042 .suspend
= usbnet_suspend
,
3043 .resume
= usbnet_resume
,
3046 static int __init
rndis_wlan_init(void)
3048 return usb_register(&rndis_wlan_driver
);
3050 module_init(rndis_wlan_init
);
3052 static void __exit
rndis_wlan_exit(void)
3054 usb_deregister(&rndis_wlan_driver
);
3056 module_exit(rndis_wlan_exit
);
3058 MODULE_AUTHOR("Bjorge Dijkstra");
3059 MODULE_AUTHOR("Jussi Kivilinna");
3060 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3061 MODULE_LICENSE("GPL");