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/ieee80211.h>
40 #include <linux/if_arp.h>
41 #include <linux/ctype.h>
42 #include <linux/spinlock.h>
43 #include <linux/slab.h>
44 #include <net/cfg80211.h>
45 #include <linux/usb/usbnet.h>
46 #include <linux/usb/rndis_host.h>
49 /* NOTE: All these are settings for Broadcom chipset */
50 static char modparam_country
[4] = "EU";
51 module_param_string(country
, modparam_country
, 4, 0444);
52 MODULE_PARM_DESC(country
, "Country code (ISO 3166-1 alpha-2), default: EU");
54 static int modparam_frameburst
= 1;
55 module_param_named(frameburst
, modparam_frameburst
, int, 0444);
56 MODULE_PARM_DESC(frameburst
, "enable frame bursting (default: on)");
58 static int modparam_afterburner
= 0;
59 module_param_named(afterburner
, modparam_afterburner
, int, 0444);
60 MODULE_PARM_DESC(afterburner
,
61 "enable afterburner aka '125 High Speed Mode' (default: off)");
63 static int modparam_power_save
= 0;
64 module_param_named(power_save
, modparam_power_save
, int, 0444);
65 MODULE_PARM_DESC(power_save
,
66 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68 static int modparam_power_output
= 3;
69 module_param_named(power_output
, modparam_power_output
, int, 0444);
70 MODULE_PARM_DESC(power_output
,
71 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73 static int modparam_roamtrigger
= -70;
74 module_param_named(roamtrigger
, modparam_roamtrigger
, int, 0444);
75 MODULE_PARM_DESC(roamtrigger
,
76 "set roaming dBm trigger: -80=optimize for distance, "
77 "-60=bandwidth (default: -70)");
79 static int modparam_roamdelta
= 1;
80 module_param_named(roamdelta
, modparam_roamdelta
, int, 0444);
81 MODULE_PARM_DESC(roamdelta
,
82 "set roaming tendency: 0=aggressive, 1=moderate, "
83 "2=conservative (default: moderate)");
85 static int modparam_workaround_interval
;
86 module_param_named(workaround_interval
, modparam_workaround_interval
,
88 MODULE_PARM_DESC(workaround_interval
,
89 "set stall workaround interval in msecs (0=disabled) (default: 0)");
91 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
92 #define WL_NOISE -96 /* typical noise level in dBm */
93 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
96 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
97 * based on wireless rndis) has default txpower of 13dBm.
98 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
99 * 100% : 20 mW ~ 13dBm
100 * 75% : 15 mW ~ 12dBm
101 * 50% : 10 mW ~ 10dBm
104 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
105 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
106 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
107 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
109 /* Known device types */
110 #define RNDIS_UNKNOWN 0
111 #define RNDIS_BCM4320A 1
112 #define RNDIS_BCM4320B 2
115 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
116 * slightly modified for datatype endianess, etc
118 #define NDIS_802_11_LENGTH_SSID 32
119 #define NDIS_802_11_LENGTH_RATES 8
120 #define NDIS_802_11_LENGTH_RATES_EX 16
122 enum ndis_80211_net_type
{
123 NDIS_80211_TYPE_FREQ_HOP
,
124 NDIS_80211_TYPE_DIRECT_SEQ
,
125 NDIS_80211_TYPE_OFDM_A
,
126 NDIS_80211_TYPE_OFDM_G
129 enum ndis_80211_net_infra
{
130 NDIS_80211_INFRA_ADHOC
,
131 NDIS_80211_INFRA_INFRA
,
132 NDIS_80211_INFRA_AUTO_UNKNOWN
135 enum ndis_80211_auth_mode
{
136 NDIS_80211_AUTH_OPEN
,
137 NDIS_80211_AUTH_SHARED
,
138 NDIS_80211_AUTH_AUTO_SWITCH
,
140 NDIS_80211_AUTH_WPA_PSK
,
141 NDIS_80211_AUTH_WPA_NONE
,
142 NDIS_80211_AUTH_WPA2
,
143 NDIS_80211_AUTH_WPA2_PSK
146 enum ndis_80211_encr_status
{
147 NDIS_80211_ENCR_WEP_ENABLED
,
148 NDIS_80211_ENCR_DISABLED
,
149 NDIS_80211_ENCR_WEP_KEY_ABSENT
,
150 NDIS_80211_ENCR_NOT_SUPPORTED
,
151 NDIS_80211_ENCR_TKIP_ENABLED
,
152 NDIS_80211_ENCR_TKIP_KEY_ABSENT
,
153 NDIS_80211_ENCR_CCMP_ENABLED
,
154 NDIS_80211_ENCR_CCMP_KEY_ABSENT
157 enum ndis_80211_priv_filter
{
158 NDIS_80211_PRIV_ACCEPT_ALL
,
159 NDIS_80211_PRIV_8021X_WEP
162 enum ndis_80211_status_type
{
163 NDIS_80211_STATUSTYPE_AUTHENTICATION
,
164 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE
,
165 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST
,
166 NDIS_80211_STATUSTYPE_RADIOSTATE
,
169 enum ndis_80211_media_stream_mode
{
170 NDIS_80211_MEDIA_STREAM_OFF
,
171 NDIS_80211_MEDIA_STREAM_ON
174 enum ndis_80211_radio_status
{
175 NDIS_80211_RADIO_STATUS_ON
,
176 NDIS_80211_RADIO_STATUS_HARDWARE_OFF
,
177 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF
,
180 enum ndis_80211_addkey_bits
{
181 NDIS_80211_ADDKEY_8021X_AUTH
= cpu_to_le32(1 << 28),
182 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
= cpu_to_le32(1 << 29),
183 NDIS_80211_ADDKEY_PAIRWISE_KEY
= cpu_to_le32(1 << 30),
184 NDIS_80211_ADDKEY_TRANSMIT_KEY
= cpu_to_le32(1 << 31)
187 enum ndis_80211_addwep_bits
{
188 NDIS_80211_ADDWEP_PERCLIENT_KEY
= cpu_to_le32(1 << 30),
189 NDIS_80211_ADDWEP_TRANSMIT_KEY
= cpu_to_le32(1 << 31)
192 enum ndis_80211_power_mode
{
193 NDIS_80211_POWER_MODE_CAM
,
194 NDIS_80211_POWER_MODE_MAX_PSP
,
195 NDIS_80211_POWER_MODE_FAST_PSP
,
198 enum ndis_80211_pmkid_cand_list_flag_bits
{
199 NDIS_80211_PMKID_CAND_PREAUTH
= cpu_to_le32(1 << 0)
202 struct ndis_80211_auth_request
{
209 struct ndis_80211_pmkid_candidate
{
215 struct ndis_80211_pmkid_cand_list
{
217 __le32 num_candidates
;
218 struct ndis_80211_pmkid_candidate candidate_list
[0];
221 struct ndis_80211_status_indication
{
224 __le32 media_stream_mode
;
226 struct ndis_80211_auth_request auth_request
[0];
227 struct ndis_80211_pmkid_cand_list cand_list
;
231 struct ndis_80211_ssid
{
233 u8 essid
[NDIS_802_11_LENGTH_SSID
];
236 struct ndis_80211_conf_freq_hop
{
243 struct ndis_80211_conf
{
245 __le32 beacon_period
;
248 struct ndis_80211_conf_freq_hop fh_config
;
251 struct ndis_80211_bssid_ex
{
255 struct ndis_80211_ssid ssid
;
259 struct ndis_80211_conf config
;
261 u8 rates
[NDIS_802_11_LENGTH_RATES_EX
];
266 struct ndis_80211_bssid_list_ex
{
268 struct ndis_80211_bssid_ex bssid
[0];
271 struct ndis_80211_fixed_ies
{
273 __le16 beacon_interval
;
277 struct ndis_80211_wep_key
{
284 struct ndis_80211_key
{
294 struct ndis_80211_remove_key
{
301 struct ndis_config_param
{
309 struct ndis_80211_assoc_info
{
314 __le16 listen_interval
;
315 u8 cur_ap_address
[6];
317 __le32 req_ie_length
;
318 __le32 offset_req_ies
;
325 __le32 resp_ie_length
;
326 __le32 offset_resp_ies
;
329 struct ndis_80211_auth_encr_pair
{
334 struct ndis_80211_capability
{
338 __le32 num_auth_encr_pair
;
339 struct ndis_80211_auth_encr_pair auth_encr_pair
[0];
342 struct ndis_80211_bssid_info
{
347 struct ndis_80211_pmkid
{
349 __le32 bssid_info_count
;
350 struct ndis_80211_bssid_info bssid_info
[0];
356 #define CAP_MODE_80211A 1
357 #define CAP_MODE_80211B 2
358 #define CAP_MODE_80211G 4
359 #define CAP_MODE_MASK 7
361 #define WORK_LINK_UP (1<<0)
362 #define WORK_LINK_DOWN (1<<1)
363 #define WORK_SET_MULTICAST_LIST (1<<2)
365 #define RNDIS_WLAN_ALG_NONE 0
366 #define RNDIS_WLAN_ALG_WEP (1<<0)
367 #define RNDIS_WLAN_ALG_TKIP (1<<1)
368 #define RNDIS_WLAN_ALG_CCMP (1<<2)
370 #define RNDIS_WLAN_NUM_KEYS 4
371 #define RNDIS_WLAN_KEY_MGMT_NONE 0
372 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
373 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
375 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
377 static const struct ieee80211_channel rndis_channels
[] = {
378 { .center_freq
= 2412 },
379 { .center_freq
= 2417 },
380 { .center_freq
= 2422 },
381 { .center_freq
= 2427 },
382 { .center_freq
= 2432 },
383 { .center_freq
= 2437 },
384 { .center_freq
= 2442 },
385 { .center_freq
= 2447 },
386 { .center_freq
= 2452 },
387 { .center_freq
= 2457 },
388 { .center_freq
= 2462 },
389 { .center_freq
= 2467 },
390 { .center_freq
= 2472 },
391 { .center_freq
= 2484 },
394 static const struct ieee80211_rate rndis_rates
[] = {
396 { .bitrate
= 20, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
397 { .bitrate
= 55, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
398 { .bitrate
= 110, .flags
= IEEE80211_RATE_SHORT_PREAMBLE
},
409 static const u32 rndis_cipher_suites
[] = {
410 WLAN_CIPHER_SUITE_WEP40
,
411 WLAN_CIPHER_SUITE_WEP104
,
412 WLAN_CIPHER_SUITE_TKIP
,
413 WLAN_CIPHER_SUITE_CCMP
,
416 struct rndis_wlan_encr_key
{
425 /* RNDIS device private data */
426 struct rndis_wlan_private
{
427 struct usbnet
*usbdev
;
429 struct wireless_dev wdev
;
431 struct cfg80211_scan_request
*scan_request
;
433 struct workqueue_struct
*workqueue
;
434 struct delayed_work dev_poller_work
;
435 struct delayed_work scan_work
;
436 struct work_struct work
;
437 struct mutex command_lock
;
438 unsigned long work_pending
;
442 int last_cqm_event_rssi
;
444 struct ieee80211_supported_band band
;
445 struct ieee80211_channel channels
[ARRAY_SIZE(rndis_channels
)];
446 struct ieee80211_rate rates
[ARRAY_SIZE(rndis_rates
)];
447 u32 cipher_suites
[ARRAY_SIZE(rndis_cipher_suites
)];
453 /* module parameters */
454 char param_country
[4];
455 int param_frameburst
;
456 int param_afterburner
;
457 int param_power_save
;
458 int param_power_output
;
459 int param_roamtrigger
;
461 u32 param_workaround_interval
;
469 u32 current_command_oid
;
471 /* encryption stuff */
472 u8 encr_tx_key_index
;
473 struct rndis_wlan_encr_key encr_keys
[RNDIS_WLAN_NUM_KEYS
];
476 u8 command_buffer
[COMMAND_BUFFER_SIZE
];
482 static int rndis_change_virtual_intf(struct wiphy
*wiphy
,
483 struct net_device
*dev
,
484 enum nl80211_iftype type
, u32
*flags
,
485 struct vif_params
*params
);
487 static int rndis_scan(struct wiphy
*wiphy
,
488 struct cfg80211_scan_request
*request
);
490 static int rndis_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
);
492 static int rndis_set_tx_power(struct wiphy
*wiphy
,
493 struct wireless_dev
*wdev
,
494 enum nl80211_tx_power_setting type
,
496 static int rndis_get_tx_power(struct wiphy
*wiphy
,
497 struct wireless_dev
*wdev
,
500 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
501 struct cfg80211_connect_params
*sme
);
503 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
506 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
507 struct cfg80211_ibss_params
*params
);
509 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
);
511 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
512 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
513 struct key_params
*params
);
515 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
516 u8 key_index
, bool pairwise
, const u8
*mac_addr
);
518 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
519 u8 key_index
, bool unicast
, bool multicast
);
521 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
522 u8
*mac
, struct station_info
*sinfo
);
524 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
525 int idx
, u8
*mac
, struct station_info
*sinfo
);
527 static int rndis_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
528 struct cfg80211_pmksa
*pmksa
);
530 static int rndis_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
531 struct cfg80211_pmksa
*pmksa
);
533 static int rndis_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
);
535 static int rndis_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
536 bool enabled
, int timeout
);
538 static int rndis_set_cqm_rssi_config(struct wiphy
*wiphy
,
539 struct net_device
*dev
,
540 s32 rssi_thold
, u32 rssi_hyst
);
542 static const struct cfg80211_ops rndis_config_ops
= {
543 .change_virtual_intf
= rndis_change_virtual_intf
,
545 .set_wiphy_params
= rndis_set_wiphy_params
,
546 .set_tx_power
= rndis_set_tx_power
,
547 .get_tx_power
= rndis_get_tx_power
,
548 .connect
= rndis_connect
,
549 .disconnect
= rndis_disconnect
,
550 .join_ibss
= rndis_join_ibss
,
551 .leave_ibss
= rndis_leave_ibss
,
552 .add_key
= rndis_add_key
,
553 .del_key
= rndis_del_key
,
554 .set_default_key
= rndis_set_default_key
,
555 .get_station
= rndis_get_station
,
556 .dump_station
= rndis_dump_station
,
557 .set_pmksa
= rndis_set_pmksa
,
558 .del_pmksa
= rndis_del_pmksa
,
559 .flush_pmksa
= rndis_flush_pmksa
,
560 .set_power_mgmt
= rndis_set_power_mgmt
,
561 .set_cqm_rssi_config
= rndis_set_cqm_rssi_config
,
564 static void *rndis_wiphy_privid
= &rndis_wiphy_privid
;
567 static struct rndis_wlan_private
*get_rndis_wlan_priv(struct usbnet
*dev
)
569 return (struct rndis_wlan_private
*)dev
->driver_priv
;
572 static u32
get_bcm4320_power_dbm(struct rndis_wlan_private
*priv
)
574 switch (priv
->param_power_output
) {
577 return BCM4320_DEFAULT_TXPOWER_DBM_100
;
579 return BCM4320_DEFAULT_TXPOWER_DBM_75
;
581 return BCM4320_DEFAULT_TXPOWER_DBM_50
;
583 return BCM4320_DEFAULT_TXPOWER_DBM_25
;
587 static bool is_wpa_key(struct rndis_wlan_private
*priv
, u8 idx
)
589 int cipher
= priv
->encr_keys
[idx
].cipher
;
591 return (cipher
== WLAN_CIPHER_SUITE_CCMP
||
592 cipher
== WLAN_CIPHER_SUITE_TKIP
);
595 static int rndis_cipher_to_alg(u32 cipher
)
599 return RNDIS_WLAN_ALG_NONE
;
600 case WLAN_CIPHER_SUITE_WEP40
:
601 case WLAN_CIPHER_SUITE_WEP104
:
602 return RNDIS_WLAN_ALG_WEP
;
603 case WLAN_CIPHER_SUITE_TKIP
:
604 return RNDIS_WLAN_ALG_TKIP
;
605 case WLAN_CIPHER_SUITE_CCMP
:
606 return RNDIS_WLAN_ALG_CCMP
;
610 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite
)
614 return RNDIS_WLAN_KEY_MGMT_NONE
;
615 case WLAN_AKM_SUITE_8021X
:
616 return RNDIS_WLAN_KEY_MGMT_802_1X
;
617 case WLAN_AKM_SUITE_PSK
:
618 return RNDIS_WLAN_KEY_MGMT_PSK
;
623 static const char *oid_to_string(u32 oid
)
626 #define OID_STR(oid) case oid: return(#oid)
627 /* from rndis_host.h */
628 OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS
);
629 OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE
);
630 OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER
);
631 OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM
);
633 /* from rndis_wlan.c */
634 OID_STR(RNDIS_OID_GEN_LINK_SPEED
);
635 OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER
);
637 OID_STR(RNDIS_OID_GEN_XMIT_OK
);
638 OID_STR(RNDIS_OID_GEN_RCV_OK
);
639 OID_STR(RNDIS_OID_GEN_XMIT_ERROR
);
640 OID_STR(RNDIS_OID_GEN_RCV_ERROR
);
641 OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER
);
643 OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS
);
644 OID_STR(RNDIS_OID_802_3_MULTICAST_LIST
);
645 OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE
);
647 OID_STR(RNDIS_OID_802_11_BSSID
);
648 OID_STR(RNDIS_OID_802_11_SSID
);
649 OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE
);
650 OID_STR(RNDIS_OID_802_11_ADD_WEP
);
651 OID_STR(RNDIS_OID_802_11_REMOVE_WEP
);
652 OID_STR(RNDIS_OID_802_11_DISASSOCIATE
);
653 OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE
);
654 OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER
);
655 OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN
);
656 OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS
);
657 OID_STR(RNDIS_OID_802_11_ADD_KEY
);
658 OID_STR(RNDIS_OID_802_11_REMOVE_KEY
);
659 OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION
);
660 OID_STR(RNDIS_OID_802_11_CAPABILITY
);
661 OID_STR(RNDIS_OID_802_11_PMKID
);
662 OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED
);
663 OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE
);
664 OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL
);
665 OID_STR(RNDIS_OID_802_11_RSSI
);
666 OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER
);
667 OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD
);
668 OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD
);
669 OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES
);
670 OID_STR(RNDIS_OID_802_11_CONFIGURATION
);
671 OID_STR(RNDIS_OID_802_11_POWER_MODE
);
672 OID_STR(RNDIS_OID_802_11_BSSID_LIST
);
679 static const char *oid_to_string(u32 oid
)
685 /* translate error code */
686 static int rndis_error_status(__le32 rndis_status
)
689 switch (le32_to_cpu(rndis_status
)) {
690 case RNDIS_STATUS_SUCCESS
:
693 case RNDIS_STATUS_FAILURE
:
694 case RNDIS_STATUS_INVALID_DATA
:
697 case RNDIS_STATUS_NOT_SUPPORTED
:
700 case RNDIS_STATUS_ADAPTER_NOT_READY
:
701 case RNDIS_STATUS_ADAPTER_NOT_OPEN
:
708 static int rndis_query_oid(struct usbnet
*dev
, u32 oid
, void *data
, int *len
)
710 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
713 struct rndis_msg_hdr
*header
;
714 struct rndis_query
*get
;
715 struct rndis_query_c
*get_c
;
718 int resplen
, respoffs
, copylen
;
720 buflen
= *len
+ sizeof(*u
.get
);
721 if (buflen
< CONTROL_BUFFER_SIZE
)
722 buflen
= CONTROL_BUFFER_SIZE
;
724 if (buflen
> COMMAND_BUFFER_SIZE
) {
725 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
729 u
.buf
= priv
->command_buffer
;
732 mutex_lock(&priv
->command_lock
);
734 memset(u
.get
, 0, sizeof *u
.get
);
735 u
.get
->msg_type
= cpu_to_le32(RNDIS_MSG_QUERY
);
736 u
.get
->msg_len
= cpu_to_le32(sizeof *u
.get
);
737 u
.get
->oid
= cpu_to_le32(oid
);
739 priv
->current_command_oid
= oid
;
740 ret
= rndis_command(dev
, u
.header
, buflen
);
741 priv
->current_command_oid
= 0;
743 netdev_dbg(dev
->net
, "%s(%s): rndis_command() failed, %d (%08x)\n",
744 __func__
, oid_to_string(oid
), ret
,
745 le32_to_cpu(u
.get_c
->status
));
748 resplen
= le32_to_cpu(u
.get_c
->len
);
749 respoffs
= le32_to_cpu(u
.get_c
->offset
) + 8;
751 if (respoffs
> buflen
) {
752 /* Device returned data offset outside buffer, error. */
753 netdev_dbg(dev
->net
, "%s(%s): received invalid "
754 "data offset: %d > %d\n", __func__
,
755 oid_to_string(oid
), respoffs
, buflen
);
761 if ((resplen
+ respoffs
) > buflen
) {
762 /* Device would have returned more data if buffer would
763 * have been big enough. Copy just the bits that we got.
765 copylen
= buflen
- respoffs
;
773 memcpy(data
, u
.buf
+ respoffs
, copylen
);
777 ret
= rndis_error_status(u
.get_c
->status
);
779 netdev_dbg(dev
->net
, "%s(%s): device returned error, 0x%08x (%d)\n",
780 __func__
, oid_to_string(oid
),
781 le32_to_cpu(u
.get_c
->status
), ret
);
785 mutex_unlock(&priv
->command_lock
);
787 if (u
.buf
!= priv
->command_buffer
)
792 static int rndis_set_oid(struct usbnet
*dev
, u32 oid
, const void *data
,
795 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
798 struct rndis_msg_hdr
*header
;
799 struct rndis_set
*set
;
800 struct rndis_set_c
*set_c
;
804 buflen
= len
+ sizeof(*u
.set
);
805 if (buflen
< CONTROL_BUFFER_SIZE
)
806 buflen
= CONTROL_BUFFER_SIZE
;
808 if (buflen
> COMMAND_BUFFER_SIZE
) {
809 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
813 u
.buf
= priv
->command_buffer
;
816 mutex_lock(&priv
->command_lock
);
818 memset(u
.set
, 0, sizeof *u
.set
);
819 u
.set
->msg_type
= cpu_to_le32(RNDIS_MSG_SET
);
820 u
.set
->msg_len
= cpu_to_le32(sizeof(*u
.set
) + len
);
821 u
.set
->oid
= cpu_to_le32(oid
);
822 u
.set
->len
= cpu_to_le32(len
);
823 u
.set
->offset
= cpu_to_le32(sizeof(*u
.set
) - 8);
824 u
.set
->handle
= cpu_to_le32(0);
825 memcpy(u
.buf
+ sizeof(*u
.set
), data
, len
);
827 priv
->current_command_oid
= oid
;
828 ret
= rndis_command(dev
, u
.header
, buflen
);
829 priv
->current_command_oid
= 0;
831 netdev_dbg(dev
->net
, "%s(%s): rndis_command() failed, %d (%08x)\n",
832 __func__
, oid_to_string(oid
), ret
,
833 le32_to_cpu(u
.set_c
->status
));
836 ret
= rndis_error_status(u
.set_c
->status
);
839 netdev_dbg(dev
->net
, "%s(%s): device returned error, 0x%08x (%d)\n",
840 __func__
, oid_to_string(oid
),
841 le32_to_cpu(u
.set_c
->status
), ret
);
844 mutex_unlock(&priv
->command_lock
);
846 if (u
.buf
!= priv
->command_buffer
)
851 static int rndis_reset(struct usbnet
*usbdev
)
853 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
854 struct rndis_reset
*reset
;
857 mutex_lock(&priv
->command_lock
);
859 reset
= (void *)priv
->command_buffer
;
860 memset(reset
, 0, sizeof(*reset
));
861 reset
->msg_type
= cpu_to_le32(RNDIS_MSG_RESET
);
862 reset
->msg_len
= cpu_to_le32(sizeof(*reset
));
863 priv
->current_command_oid
= 0;
864 ret
= rndis_command(usbdev
, (void *)reset
, CONTROL_BUFFER_SIZE
);
866 mutex_unlock(&priv
->command_lock
);
874 * Specs say that we can only set config parameters only soon after device
876 * value_type: 0 = u32, 2 = unicode string
878 static int rndis_set_config_parameter(struct usbnet
*dev
, char *param
,
879 int value_type
, void *value
)
881 struct ndis_config_param
*infobuf
;
882 int value_len
, info_len
, param_len
, ret
, i
;
887 value_len
= sizeof(__le32
);
888 else if (value_type
== 2)
889 value_len
= strlen(value
) * sizeof(__le16
);
893 param_len
= strlen(param
) * sizeof(__le16
);
894 info_len
= sizeof(*infobuf
) + param_len
+ value_len
;
899 infobuf
= kmalloc(info_len
, GFP_KERNEL
);
905 /* extra 12 bytes are for padding (debug output) */
906 memset(infobuf
, 0xCC, info_len
+ 12);
910 netdev_dbg(dev
->net
, "setting config parameter: %s, value: %s\n",
913 netdev_dbg(dev
->net
, "setting config parameter: %s, value: %d\n",
914 param
, *(u32
*)value
);
916 infobuf
->name_offs
= cpu_to_le32(sizeof(*infobuf
));
917 infobuf
->name_length
= cpu_to_le32(param_len
);
918 infobuf
->type
= cpu_to_le32(value_type
);
919 infobuf
->value_offs
= cpu_to_le32(sizeof(*infobuf
) + param_len
);
920 infobuf
->value_length
= cpu_to_le32(value_len
);
922 /* simple string to unicode string conversion */
923 unibuf
= (void *)infobuf
+ sizeof(*infobuf
);
924 for (i
= 0; i
< param_len
/ sizeof(__le16
); i
++)
925 unibuf
[i
] = cpu_to_le16(param
[i
]);
927 if (value_type
== 2) {
928 unibuf
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
929 for (i
= 0; i
< value_len
/ sizeof(__le16
); i
++)
930 unibuf
[i
] = cpu_to_le16(((u8
*)value
)[i
]);
932 dst_value
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
933 *dst_value
= cpu_to_le32(*(u32
*)value
);
937 netdev_dbg(dev
->net
, "info buffer (len: %d)\n", info_len
);
938 for (i
= 0; i
< info_len
; i
+= 12) {
939 u32
*tmp
= (u32
*)((u8
*)infobuf
+ i
);
940 netdev_dbg(dev
->net
, "%08X:%08X:%08X\n",
943 cpu_to_be32(tmp
[2]));
947 ret
= rndis_set_oid(dev
, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER
,
950 netdev_dbg(dev
->net
, "setting rndis config parameter failed, %d\n",
957 static int rndis_set_config_parameter_str(struct usbnet
*dev
,
958 char *param
, char *value
)
960 return rndis_set_config_parameter(dev
, param
, 2, value
);
964 * data conversion functions
966 static int level_to_qual(int level
)
968 int qual
= 100 * (level
- WL_NOISE
) / (WL_SIGMAX
- WL_NOISE
);
969 return qual
>= 0 ? (qual
<= 100 ? qual
: 100) : 0;
975 static int set_infra_mode(struct usbnet
*usbdev
, int mode
);
976 static void restore_keys(struct usbnet
*usbdev
);
977 static int rndis_check_bssid_list(struct usbnet
*usbdev
, u8
*match_bssid
,
980 static int rndis_start_bssid_list_scan(struct usbnet
*usbdev
)
984 /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
985 tmp
= cpu_to_le32(1);
986 return rndis_set_oid(usbdev
, RNDIS_OID_802_11_BSSID_LIST_SCAN
, &tmp
,
990 static int set_essid(struct usbnet
*usbdev
, struct ndis_80211_ssid
*ssid
)
992 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
995 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_SSID
,
996 ssid
, sizeof(*ssid
));
998 netdev_warn(usbdev
->net
, "setting SSID failed (%08X)\n", ret
);
1002 priv
->radio_on
= true;
1003 netdev_dbg(usbdev
->net
, "%s(): radio_on = true\n", __func__
);
1009 static int set_bssid(struct usbnet
*usbdev
, const u8
*bssid
)
1013 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_BSSID
,
1016 netdev_warn(usbdev
->net
, "setting BSSID[%pM] failed (%08X)\n",
1024 static int clear_bssid(struct usbnet
*usbdev
)
1026 static const u8 broadcast_mac
[ETH_ALEN
] = {
1027 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1030 return set_bssid(usbdev
, broadcast_mac
);
1033 static int get_bssid(struct usbnet
*usbdev
, u8 bssid
[ETH_ALEN
])
1038 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_BSSID
,
1042 memset(bssid
, 0, ETH_ALEN
);
1047 static int get_association_info(struct usbnet
*usbdev
,
1048 struct ndis_80211_assoc_info
*info
, int len
)
1050 return rndis_query_oid(usbdev
,
1051 RNDIS_OID_802_11_ASSOCIATION_INFORMATION
,
1055 static bool is_associated(struct usbnet
*usbdev
)
1057 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1061 if (!priv
->radio_on
)
1064 ret
= get_bssid(usbdev
, bssid
);
1066 return (ret
== 0 && !is_zero_ether_addr(bssid
));
1069 static int disassociate(struct usbnet
*usbdev
, bool reset_ssid
)
1071 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1072 struct ndis_80211_ssid ssid
;
1075 if (priv
->radio_on
) {
1076 ret
= rndis_set_oid(usbdev
,
1077 RNDIS_OID_802_11_DISASSOCIATE
,
1080 priv
->radio_on
= false;
1081 netdev_dbg(usbdev
->net
, "%s(): radio_on = false\n",
1089 /* disassociate causes radio to be turned off; if reset_ssid
1090 * is given, set random ssid to enable radio */
1092 /* Set device to infrastructure mode so we don't get ad-hoc
1093 * 'media connect' indications with the random ssid.
1095 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1097 ssid
.length
= cpu_to_le32(sizeof(ssid
.essid
));
1098 get_random_bytes(&ssid
.essid
[2], sizeof(ssid
.essid
)-2);
1099 ssid
.essid
[0] = 0x1;
1100 ssid
.essid
[1] = 0xff;
1101 for (i
= 2; i
< sizeof(ssid
.essid
); i
++)
1102 ssid
.essid
[i
] = 0x1 + (ssid
.essid
[i
] * 0xfe / 0xff);
1103 ret
= set_essid(usbdev
, &ssid
);
1108 static int set_auth_mode(struct usbnet
*usbdev
, u32 wpa_version
,
1109 enum nl80211_auth_type auth_type
, int keymgmt
)
1111 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1115 netdev_dbg(usbdev
->net
, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1116 __func__
, wpa_version
, auth_type
, keymgmt
);
1118 if (wpa_version
& NL80211_WPA_VERSION_2
) {
1119 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1120 auth_mode
= NDIS_80211_AUTH_WPA2
;
1122 auth_mode
= NDIS_80211_AUTH_WPA2_PSK
;
1123 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
1124 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1125 auth_mode
= NDIS_80211_AUTH_WPA
;
1126 else if (keymgmt
& RNDIS_WLAN_KEY_MGMT_PSK
)
1127 auth_mode
= NDIS_80211_AUTH_WPA_PSK
;
1129 auth_mode
= NDIS_80211_AUTH_WPA_NONE
;
1130 } else if (auth_type
== NL80211_AUTHTYPE_SHARED_KEY
)
1131 auth_mode
= NDIS_80211_AUTH_SHARED
;
1132 else if (auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
)
1133 auth_mode
= NDIS_80211_AUTH_OPEN
;
1134 else if (auth_type
== NL80211_AUTHTYPE_AUTOMATIC
)
1135 auth_mode
= NDIS_80211_AUTH_AUTO_SWITCH
;
1139 tmp
= cpu_to_le32(auth_mode
);
1140 ret
= rndis_set_oid(usbdev
,
1141 RNDIS_OID_802_11_AUTHENTICATION_MODE
,
1144 netdev_warn(usbdev
->net
, "setting auth mode failed (%08X)\n",
1149 priv
->wpa_version
= wpa_version
;
1154 static int set_priv_filter(struct usbnet
*usbdev
)
1156 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1159 netdev_dbg(usbdev
->net
, "%s(): wpa_version=0x%x\n",
1160 __func__
, priv
->wpa_version
);
1162 if (priv
->wpa_version
& NL80211_WPA_VERSION_2
||
1163 priv
->wpa_version
& NL80211_WPA_VERSION_1
)
1164 tmp
= cpu_to_le32(NDIS_80211_PRIV_8021X_WEP
);
1166 tmp
= cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL
);
1168 return rndis_set_oid(usbdev
,
1169 RNDIS_OID_802_11_PRIVACY_FILTER
, &tmp
,
1173 static int set_encr_mode(struct usbnet
*usbdev
, int pairwise
, int groupwise
)
1178 netdev_dbg(usbdev
->net
, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1179 __func__
, pairwise
, groupwise
);
1181 if (pairwise
& RNDIS_WLAN_ALG_CCMP
)
1182 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1183 else if (pairwise
& RNDIS_WLAN_ALG_TKIP
)
1184 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1185 else if (pairwise
& RNDIS_WLAN_ALG_WEP
)
1186 encr_mode
= NDIS_80211_ENCR_WEP_ENABLED
;
1187 else if (groupwise
& RNDIS_WLAN_ALG_CCMP
)
1188 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1189 else if (groupwise
& RNDIS_WLAN_ALG_TKIP
)
1190 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1192 encr_mode
= NDIS_80211_ENCR_DISABLED
;
1194 tmp
= cpu_to_le32(encr_mode
);
1195 ret
= rndis_set_oid(usbdev
,
1196 RNDIS_OID_802_11_ENCRYPTION_STATUS
, &tmp
,
1199 netdev_warn(usbdev
->net
, "setting encr mode failed (%08X)\n",
1207 static int set_infra_mode(struct usbnet
*usbdev
, int mode
)
1209 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1213 netdev_dbg(usbdev
->net
, "%s(): infra_mode=0x%x\n",
1214 __func__
, priv
->infra_mode
);
1216 tmp
= cpu_to_le32(mode
);
1217 ret
= rndis_set_oid(usbdev
,
1218 RNDIS_OID_802_11_INFRASTRUCTURE_MODE
,
1221 netdev_warn(usbdev
->net
, "setting infra mode failed (%08X)\n",
1226 /* NDIS drivers clear keys when infrastructure mode is
1227 * changed. But Linux tools assume otherwise. So set the
1229 restore_keys(usbdev
);
1231 priv
->infra_mode
= mode
;
1235 static int set_rts_threshold(struct usbnet
*usbdev
, u32 rts_threshold
)
1239 netdev_dbg(usbdev
->net
, "%s(): %i\n", __func__
, rts_threshold
);
1241 if (rts_threshold
< 0 || rts_threshold
> 2347)
1242 rts_threshold
= 2347;
1244 tmp
= cpu_to_le32(rts_threshold
);
1245 return rndis_set_oid(usbdev
,
1246 RNDIS_OID_802_11_RTS_THRESHOLD
,
1250 static int set_frag_threshold(struct usbnet
*usbdev
, u32 frag_threshold
)
1254 netdev_dbg(usbdev
->net
, "%s(): %i\n", __func__
, frag_threshold
);
1256 if (frag_threshold
< 256 || frag_threshold
> 2346)
1257 frag_threshold
= 2346;
1259 tmp
= cpu_to_le32(frag_threshold
);
1260 return rndis_set_oid(usbdev
,
1261 RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD
,
1265 static void set_default_iw_params(struct usbnet
*usbdev
)
1267 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1268 set_auth_mode(usbdev
, 0, NL80211_AUTHTYPE_OPEN_SYSTEM
,
1269 RNDIS_WLAN_KEY_MGMT_NONE
);
1270 set_priv_filter(usbdev
);
1271 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1274 static int deauthenticate(struct usbnet
*usbdev
)
1278 ret
= disassociate(usbdev
, true);
1279 set_default_iw_params(usbdev
);
1283 static int set_channel(struct usbnet
*usbdev
, int channel
)
1285 struct ndis_80211_conf config
;
1286 unsigned int dsconfig
;
1289 netdev_dbg(usbdev
->net
, "%s(%d)\n", __func__
, channel
);
1291 /* this OID is valid only when not associated */
1292 if (is_associated(usbdev
))
1295 dsconfig
= ieee80211_dsss_chan_to_freq(channel
) * 1000;
1297 len
= sizeof(config
);
1298 ret
= rndis_query_oid(usbdev
,
1299 RNDIS_OID_802_11_CONFIGURATION
,
1302 netdev_dbg(usbdev
->net
, "%s(): querying configuration failed\n",
1307 config
.ds_config
= cpu_to_le32(dsconfig
);
1308 ret
= rndis_set_oid(usbdev
,
1309 RNDIS_OID_802_11_CONFIGURATION
,
1310 &config
, sizeof(config
));
1312 netdev_dbg(usbdev
->net
, "%s(): %d -> %d\n", __func__
, channel
, ret
);
1317 static struct ieee80211_channel
*get_current_channel(struct usbnet
*usbdev
,
1320 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1321 struct ieee80211_channel
*channel
;
1322 struct ndis_80211_conf config
;
1325 /* Get channel and beacon interval */
1326 len
= sizeof(config
);
1327 ret
= rndis_query_oid(usbdev
,
1328 RNDIS_OID_802_11_CONFIGURATION
,
1330 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
1335 channel
= ieee80211_get_channel(priv
->wdev
.wiphy
,
1336 KHZ_TO_MHZ(le32_to_cpu(config
.ds_config
)));
1341 *beacon_period
= le32_to_cpu(config
.beacon_period
);
1345 /* index must be 0 - N, as per NDIS */
1346 static int add_wep_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1349 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1350 struct ndis_80211_wep_key ndis_key
;
1354 netdev_dbg(usbdev
->net
, "%s(idx: %d, len: %d)\n",
1355 __func__
, index
, key_len
);
1357 if (index
>= RNDIS_WLAN_NUM_KEYS
)
1361 cipher
= WLAN_CIPHER_SUITE_WEP40
;
1362 else if (key_len
== 13)
1363 cipher
= WLAN_CIPHER_SUITE_WEP104
;
1367 memset(&ndis_key
, 0, sizeof(ndis_key
));
1369 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
));
1370 ndis_key
.length
= cpu_to_le32(key_len
);
1371 ndis_key
.index
= cpu_to_le32(index
);
1372 memcpy(&ndis_key
.material
, key
, key_len
);
1374 if (index
== priv
->encr_tx_key_index
) {
1375 ndis_key
.index
|= NDIS_80211_ADDWEP_TRANSMIT_KEY
;
1376 ret
= set_encr_mode(usbdev
, RNDIS_WLAN_ALG_WEP
,
1377 RNDIS_WLAN_ALG_NONE
);
1379 netdev_warn(usbdev
->net
, "encryption couldn't be enabled (%08X)\n",
1383 ret
= rndis_set_oid(usbdev
,
1384 RNDIS_OID_802_11_ADD_WEP
, &ndis_key
,
1387 netdev_warn(usbdev
->net
, "adding encryption key %d failed (%08X)\n",
1392 priv
->encr_keys
[index
].len
= key_len
;
1393 priv
->encr_keys
[index
].cipher
= cipher
;
1394 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1395 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1400 static int add_wpa_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1401 u8 index
, const u8
*addr
, const u8
*rx_seq
,
1402 int seq_len
, u32 cipher
, __le32 flags
)
1404 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1405 struct ndis_80211_key ndis_key
;
1409 if (index
>= RNDIS_WLAN_NUM_KEYS
) {
1410 netdev_dbg(usbdev
->net
, "%s(): index out of range (%i)\n",
1414 if (key_len
> sizeof(ndis_key
.material
) || key_len
< 0) {
1415 netdev_dbg(usbdev
->net
, "%s(): key length out of range (%i)\n",
1419 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
) {
1420 if (!rx_seq
|| seq_len
<= 0) {
1421 netdev_dbg(usbdev
->net
, "%s(): recv seq flag without buffer\n",
1425 if (rx_seq
&& seq_len
> sizeof(ndis_key
.rsc
)) {
1426 netdev_dbg(usbdev
->net
, "%s(): too big recv seq buffer\n", __func__
);
1431 is_addr_ok
= addr
&& !is_zero_ether_addr(addr
) &&
1432 !is_broadcast_ether_addr(addr
);
1433 if ((flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) && !is_addr_ok
) {
1434 netdev_dbg(usbdev
->net
, "%s(): pairwise but bssid invalid (%pM)\n",
1439 netdev_dbg(usbdev
->net
, "%s(%i): flags:%i%i%i\n",
1441 !!(flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
),
1442 !!(flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
),
1443 !!(flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
));
1445 memset(&ndis_key
, 0, sizeof(ndis_key
));
1447 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
) -
1448 sizeof(ndis_key
.material
) + key_len
);
1449 ndis_key
.length
= cpu_to_le32(key_len
);
1450 ndis_key
.index
= cpu_to_le32(index
) | flags
;
1452 if (cipher
== WLAN_CIPHER_SUITE_TKIP
&& key_len
== 32) {
1453 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1454 * different order than NDIS spec, so swap the order here. */
1455 memcpy(ndis_key
.material
, key
, 16);
1456 memcpy(ndis_key
.material
+ 16, key
+ 24, 8);
1457 memcpy(ndis_key
.material
+ 24, key
+ 16, 8);
1459 memcpy(ndis_key
.material
, key
, key_len
);
1461 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
)
1462 memcpy(ndis_key
.rsc
, rx_seq
, seq_len
);
1464 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) {
1466 memcpy(ndis_key
.bssid
, addr
, ETH_ALEN
);
1469 if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
1470 memset(ndis_key
.bssid
, 0xff, ETH_ALEN
);
1472 get_bssid(usbdev
, ndis_key
.bssid
);
1475 ret
= rndis_set_oid(usbdev
,
1476 RNDIS_OID_802_11_ADD_KEY
, &ndis_key
,
1477 le32_to_cpu(ndis_key
.size
));
1478 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
1483 memset(&priv
->encr_keys
[index
], 0, sizeof(priv
->encr_keys
[index
]));
1484 priv
->encr_keys
[index
].len
= key_len
;
1485 priv
->encr_keys
[index
].cipher
= cipher
;
1486 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1487 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
)
1488 memcpy(&priv
->encr_keys
[index
].bssid
, ndis_key
.bssid
, ETH_ALEN
);
1490 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1492 if (flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
)
1493 priv
->encr_tx_key_index
= index
;
1498 static int restore_key(struct usbnet
*usbdev
, u8 key_idx
)
1500 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1501 struct rndis_wlan_encr_key key
;
1503 if (is_wpa_key(priv
, key_idx
))
1506 key
= priv
->encr_keys
[key_idx
];
1508 netdev_dbg(usbdev
->net
, "%s(): %i:%i\n", __func__
, key_idx
, key
.len
);
1513 return add_wep_key(usbdev
, key
.material
, key
.len
, key_idx
);
1516 static void restore_keys(struct usbnet
*usbdev
)
1520 for (i
= 0; i
< 4; i
++)
1521 restore_key(usbdev
, i
);
1524 static void clear_key(struct rndis_wlan_private
*priv
, u8 idx
)
1526 memset(&priv
->encr_keys
[idx
], 0, sizeof(priv
->encr_keys
[idx
]));
1529 /* remove_key is for both wep and wpa */
1530 static int remove_key(struct usbnet
*usbdev
, u8 index
, const u8
*bssid
)
1532 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1533 struct ndis_80211_remove_key remove_key
;
1538 if (index
>= RNDIS_WLAN_NUM_KEYS
)
1541 if (priv
->encr_keys
[index
].len
== 0)
1544 is_wpa
= is_wpa_key(priv
, index
);
1546 netdev_dbg(usbdev
->net
, "%s(): %i:%s:%i\n",
1547 __func__
, index
, is_wpa
? "wpa" : "wep",
1548 priv
->encr_keys
[index
].len
);
1550 clear_key(priv
, index
);
1553 remove_key
.size
= cpu_to_le32(sizeof(remove_key
));
1554 remove_key
.index
= cpu_to_le32(index
);
1557 if (!is_broadcast_ether_addr(bssid
))
1559 NDIS_80211_ADDKEY_PAIRWISE_KEY
;
1560 memcpy(remove_key
.bssid
, bssid
,
1561 sizeof(remove_key
.bssid
));
1563 memset(remove_key
.bssid
, 0xff,
1564 sizeof(remove_key
.bssid
));
1566 ret
= rndis_set_oid(usbdev
,
1567 RNDIS_OID_802_11_REMOVE_KEY
,
1568 &remove_key
, sizeof(remove_key
));
1572 keyindex
= cpu_to_le32(index
);
1573 ret
= rndis_set_oid(usbdev
,
1574 RNDIS_OID_802_11_REMOVE_WEP
,
1575 &keyindex
, sizeof(keyindex
));
1577 netdev_warn(usbdev
->net
,
1578 "removing encryption key %d failed (%08X)\n",
1584 /* if it is transmit key, disable encryption */
1585 if (index
== priv
->encr_tx_key_index
)
1586 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1591 static void set_multicast_list(struct usbnet
*usbdev
)
1593 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1594 struct netdev_hw_addr
*ha
;
1595 __le32 filter
, basefilter
;
1597 char *mc_addrs
= NULL
;
1600 basefilter
= filter
= cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED
|
1601 RNDIS_PACKET_TYPE_BROADCAST
);
1603 if (usbdev
->net
->flags
& IFF_PROMISC
) {
1604 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS
|
1605 RNDIS_PACKET_TYPE_ALL_LOCAL
);
1606 } else if (usbdev
->net
->flags
& IFF_ALLMULTI
) {
1607 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1610 if (filter
!= basefilter
)
1614 * mc_list should be accessed holding the lock, so copy addresses to
1615 * local buffer first.
1617 netif_addr_lock_bh(usbdev
->net
);
1618 mc_count
= netdev_mc_count(usbdev
->net
);
1619 if (mc_count
> priv
->multicast_size
) {
1620 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1621 } else if (mc_count
) {
1624 mc_addrs
= kmalloc(mc_count
* ETH_ALEN
, GFP_ATOMIC
);
1626 netdev_warn(usbdev
->net
,
1627 "couldn't alloc %d bytes of memory\n",
1628 mc_count
* ETH_ALEN
);
1629 netif_addr_unlock_bh(usbdev
->net
);
1633 netdev_for_each_mc_addr(ha
, usbdev
->net
)
1634 memcpy(mc_addrs
+ i
++ * ETH_ALEN
,
1635 ha
->addr
, ETH_ALEN
);
1637 netif_addr_unlock_bh(usbdev
->net
);
1639 if (filter
!= basefilter
)
1643 ret
= rndis_set_oid(usbdev
,
1644 RNDIS_OID_802_3_MULTICAST_LIST
,
1645 mc_addrs
, mc_count
* ETH_ALEN
);
1648 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST
);
1650 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1652 netdev_dbg(usbdev
->net
, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1653 mc_count
, priv
->multicast_size
, ret
);
1657 ret
= rndis_set_oid(usbdev
, RNDIS_OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
1660 netdev_warn(usbdev
->net
, "couldn't set packet filter: %08x\n",
1661 le32_to_cpu(filter
));
1664 netdev_dbg(usbdev
->net
, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1665 le32_to_cpu(filter
), ret
);
1669 static void debug_print_pmkids(struct usbnet
*usbdev
,
1670 struct ndis_80211_pmkid
*pmkids
,
1671 const char *func_str
)
1673 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1674 int i
, len
, count
, max_pmkids
, entry_len
;
1676 max_pmkids
= priv
->wdev
.wiphy
->max_num_pmkids
;
1677 len
= le32_to_cpu(pmkids
->length
);
1678 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1680 entry_len
= (count
> 0) ? (len
- sizeof(*pmkids
)) / count
: -1;
1682 netdev_dbg(usbdev
->net
, "%s(): %d PMKIDs (data len: %d, entry len: "
1683 "%d)\n", func_str
, count
, len
, entry_len
);
1685 if (count
> max_pmkids
)
1688 for (i
= 0; i
< count
; i
++) {
1689 u32
*tmp
= (u32
*)pmkids
->bssid_info
[i
].pmkid
;
1691 netdev_dbg(usbdev
->net
, "%s(): bssid: %pM, "
1692 "pmkid: %08X:%08X:%08X:%08X\n",
1693 func_str
, pmkids
->bssid_info
[i
].bssid
,
1694 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
1695 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
1699 static void debug_print_pmkids(struct usbnet
*usbdev
,
1700 struct ndis_80211_pmkid
*pmkids
,
1701 const char *func_str
)
1707 static struct ndis_80211_pmkid
*get_device_pmkids(struct usbnet
*usbdev
)
1709 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1710 struct ndis_80211_pmkid
*pmkids
;
1711 int len
, ret
, max_pmkids
;
1713 max_pmkids
= priv
->wdev
.wiphy
->max_num_pmkids
;
1714 len
= sizeof(*pmkids
) + max_pmkids
* sizeof(pmkids
->bssid_info
[0]);
1716 pmkids
= kzalloc(len
, GFP_KERNEL
);
1718 return ERR_PTR(-ENOMEM
);
1720 pmkids
->length
= cpu_to_le32(len
);
1721 pmkids
->bssid_info_count
= cpu_to_le32(max_pmkids
);
1723 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_PMKID
,
1726 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
1727 " -> %d\n", __func__
, len
, max_pmkids
, ret
);
1730 return ERR_PTR(ret
);
1733 if (le32_to_cpu(pmkids
->bssid_info_count
) > max_pmkids
)
1734 pmkids
->bssid_info_count
= cpu_to_le32(max_pmkids
);
1736 debug_print_pmkids(usbdev
, pmkids
, __func__
);
1741 static int set_device_pmkids(struct usbnet
*usbdev
,
1742 struct ndis_80211_pmkid
*pmkids
)
1744 int ret
, len
, num_pmkids
;
1746 num_pmkids
= le32_to_cpu(pmkids
->bssid_info_count
);
1747 len
= sizeof(*pmkids
) + num_pmkids
* sizeof(pmkids
->bssid_info
[0]);
1748 pmkids
->length
= cpu_to_le32(len
);
1750 debug_print_pmkids(usbdev
, pmkids
, __func__
);
1752 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_PMKID
, pmkids
,
1753 le32_to_cpu(pmkids
->length
));
1755 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
1756 "\n", __func__
, len
, num_pmkids
, ret
);
1763 static struct ndis_80211_pmkid
*remove_pmkid(struct usbnet
*usbdev
,
1764 struct ndis_80211_pmkid
*pmkids
,
1765 struct cfg80211_pmksa
*pmksa
,
1771 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1773 if (count
> max_pmkids
)
1776 for (i
= 0; i
< count
; i
++)
1777 if (ether_addr_equal(pmkids
->bssid_info
[i
].bssid
,
1781 /* pmkid not found */
1783 netdev_dbg(usbdev
->net
, "%s(): bssid not found (%pM)\n",
1784 __func__
, pmksa
->bssid
);
1789 for (; i
+ 1 < count
; i
++)
1790 pmkids
->bssid_info
[i
] = pmkids
->bssid_info
[i
+ 1];
1793 newlen
= sizeof(*pmkids
) + count
* sizeof(pmkids
->bssid_info
[0]);
1795 pmkids
->length
= cpu_to_le32(newlen
);
1796 pmkids
->bssid_info_count
= cpu_to_le32(count
);
1801 return ERR_PTR(err
);
1804 static struct ndis_80211_pmkid
*update_pmkid(struct usbnet
*usbdev
,
1805 struct ndis_80211_pmkid
*pmkids
,
1806 struct cfg80211_pmksa
*pmksa
,
1809 struct ndis_80211_pmkid
*new_pmkids
;
1813 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1815 if (count
> max_pmkids
)
1818 /* update with new pmkid */
1819 for (i
= 0; i
< count
; i
++) {
1820 if (!ether_addr_equal(pmkids
->bssid_info
[i
].bssid
,
1824 memcpy(pmkids
->bssid_info
[i
].pmkid
, pmksa
->pmkid
,
1830 /* out of space, return error */
1831 if (i
== max_pmkids
) {
1832 netdev_dbg(usbdev
->net
, "%s(): out of space\n", __func__
);
1838 newlen
= sizeof(*pmkids
) + (count
+ 1) * sizeof(pmkids
->bssid_info
[0]);
1840 new_pmkids
= krealloc(pmkids
, newlen
, GFP_KERNEL
);
1845 pmkids
= new_pmkids
;
1847 pmkids
->length
= cpu_to_le32(newlen
);
1848 pmkids
->bssid_info_count
= cpu_to_le32(count
+ 1);
1850 memcpy(pmkids
->bssid_info
[count
].bssid
, pmksa
->bssid
, ETH_ALEN
);
1851 memcpy(pmkids
->bssid_info
[count
].pmkid
, pmksa
->pmkid
, WLAN_PMKID_LEN
);
1856 return ERR_PTR(err
);
1862 static int rndis_change_virtual_intf(struct wiphy
*wiphy
,
1863 struct net_device
*dev
,
1864 enum nl80211_iftype type
, u32
*flags
,
1865 struct vif_params
*params
)
1867 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1868 struct usbnet
*usbdev
= priv
->usbdev
;
1872 case NL80211_IFTYPE_ADHOC
:
1873 mode
= NDIS_80211_INFRA_ADHOC
;
1875 case NL80211_IFTYPE_STATION
:
1876 mode
= NDIS_80211_INFRA_INFRA
;
1882 priv
->wdev
.iftype
= type
;
1884 return set_infra_mode(usbdev
, mode
);
1887 static int rndis_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1889 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1890 struct usbnet
*usbdev
= priv
->usbdev
;
1893 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1894 err
= set_frag_threshold(usbdev
, wiphy
->frag_threshold
);
1899 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1900 err
= set_rts_threshold(usbdev
, wiphy
->rts_threshold
);
1908 static int rndis_set_tx_power(struct wiphy
*wiphy
,
1909 struct wireless_dev
*wdev
,
1910 enum nl80211_tx_power_setting type
,
1913 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1914 struct usbnet
*usbdev
= priv
->usbdev
;
1916 netdev_dbg(usbdev
->net
, "%s(): type:0x%x mbm:%i\n",
1917 __func__
, type
, mbm
);
1919 if (mbm
< 0 || (mbm
% 100))
1922 /* Device doesn't support changing txpower after initialization, only
1923 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1926 if (type
== NL80211_TX_POWER_AUTOMATIC
||
1927 MBM_TO_DBM(mbm
) == get_bcm4320_power_dbm(priv
)) {
1928 if (!priv
->radio_on
)
1929 disassociate(usbdev
, true); /* turn on radio */
1937 static int rndis_get_tx_power(struct wiphy
*wiphy
,
1938 struct wireless_dev
*wdev
,
1941 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1942 struct usbnet
*usbdev
= priv
->usbdev
;
1944 *dbm
= get_bcm4320_power_dbm(priv
);
1946 netdev_dbg(usbdev
->net
, "%s(): dbm:%i\n", __func__
, *dbm
);
1951 #define SCAN_DELAY_JIFFIES (6 * HZ)
1952 static int rndis_scan(struct wiphy
*wiphy
,
1953 struct cfg80211_scan_request
*request
)
1955 struct net_device
*dev
= request
->wdev
->netdev
;
1956 struct usbnet
*usbdev
= netdev_priv(dev
);
1957 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1959 int delay
= SCAN_DELAY_JIFFIES
;
1961 netdev_dbg(usbdev
->net
, "cfg80211.scan\n");
1963 /* Get current bssid list from device before new scan, as new scan
1964 * clears internal bssid list.
1966 rndis_check_bssid_list(usbdev
, NULL
, NULL
);
1968 if (priv
->scan_request
&& priv
->scan_request
!= request
)
1971 priv
->scan_request
= request
;
1973 ret
= rndis_start_bssid_list_scan(usbdev
);
1975 if (priv
->device_type
== RNDIS_BCM4320A
)
1978 /* Wait before retrieving scan results from device */
1979 queue_delayed_work(priv
->workqueue
, &priv
->scan_work
, delay
);
1985 static bool rndis_bss_info_update(struct usbnet
*usbdev
,
1986 struct ndis_80211_bssid_ex
*bssid
)
1988 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1989 struct ieee80211_channel
*channel
;
1990 struct cfg80211_bss
*bss
;
1994 u16 beacon_interval
;
1995 struct ndis_80211_fixed_ies
*fixed
;
1996 int ie_len
, bssid_len
;
1999 netdev_dbg(usbdev
->net
, " found bssid: '%.32s' [%pM], len: %d\n",
2000 bssid
->ssid
.essid
, bssid
->mac
, le32_to_cpu(bssid
->length
));
2002 /* parse bssid structure */
2003 bssid_len
= le32_to_cpu(bssid
->length
);
2005 if (bssid_len
< sizeof(struct ndis_80211_bssid_ex
) +
2006 sizeof(struct ndis_80211_fixed_ies
))
2009 fixed
= (struct ndis_80211_fixed_ies
*)bssid
->ies
;
2011 ie
= (void *)(bssid
->ies
+ sizeof(struct ndis_80211_fixed_ies
));
2012 ie_len
= min(bssid_len
- (int)sizeof(*bssid
),
2013 (int)le32_to_cpu(bssid
->ie_length
));
2014 ie_len
-= sizeof(struct ndis_80211_fixed_ies
);
2018 /* extract data for cfg80211_inform_bss */
2019 channel
= ieee80211_get_channel(priv
->wdev
.wiphy
,
2020 KHZ_TO_MHZ(le32_to_cpu(bssid
->config
.ds_config
)));
2024 signal
= level_to_qual(le32_to_cpu(bssid
->rssi
));
2025 timestamp
= le64_to_cpu(*(__le64
*)fixed
->timestamp
);
2026 capability
= le16_to_cpu(fixed
->capabilities
);
2027 beacon_interval
= le16_to_cpu(fixed
->beacon_interval
);
2029 bss
= cfg80211_inform_bss(priv
->wdev
.wiphy
, channel
, bssid
->mac
,
2030 timestamp
, capability
, beacon_interval
, ie
, ie_len
, signal
,
2032 cfg80211_put_bss(bss
);
2034 return (bss
!= NULL
);
2037 static struct ndis_80211_bssid_ex
*next_bssid_list_item(
2038 struct ndis_80211_bssid_ex
*bssid
,
2039 int *bssid_len
, void *buf
, int len
)
2041 void *buf_end
, *bssid_end
;
2043 buf_end
= (char *)buf
+ len
;
2044 bssid_end
= (char *)bssid
+ *bssid_len
;
2046 if ((int)(buf_end
- bssid_end
) < sizeof(bssid
->length
)) {
2050 bssid
= (void *)((char *)bssid
+ *bssid_len
);
2051 *bssid_len
= le32_to_cpu(bssid
->length
);
2056 static bool check_bssid_list_item(struct ndis_80211_bssid_ex
*bssid
,
2057 int bssid_len
, void *buf
, int len
)
2059 void *buf_end
, *bssid_end
;
2061 if (!bssid
|| bssid_len
<= 0 || bssid_len
> len
)
2064 buf_end
= (char *)buf
+ len
;
2065 bssid_end
= (char *)bssid
+ bssid_len
;
2067 return (int)(buf_end
- bssid_end
) >= 0 && (int)(bssid_end
- buf
) >= 0;
2070 static int rndis_check_bssid_list(struct usbnet
*usbdev
, u8
*match_bssid
,
2074 struct ndis_80211_bssid_list_ex
*bssid_list
;
2075 struct ndis_80211_bssid_ex
*bssid
;
2076 int ret
= -EINVAL
, len
, count
, bssid_len
, real_count
, new_len
;
2078 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
2080 len
= CONTROL_BUFFER_SIZE
;
2082 buf
= kzalloc(len
, GFP_KERNEL
);
2088 /* BSSID-list might have got bigger last time we checked, keep
2089 * resizing until it won't get any bigger.
2092 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_BSSID_LIST
,
2094 if (ret
!= 0 || new_len
< sizeof(struct ndis_80211_bssid_list_ex
))
2097 if (new_len
> len
) {
2106 count
= le32_to_cpu(bssid_list
->num_items
);
2108 netdev_dbg(usbdev
->net
, "%s(): buflen: %d\n", __func__
, len
);
2111 bssid
= next_bssid_list_item(bssid_list
->bssid
, &bssid_len
, buf
, len
);
2113 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2114 * received 'num_items' and walking through full bssid buffer instead.
2116 while (check_bssid_list_item(bssid
, bssid_len
, buf
, len
)) {
2117 if (rndis_bss_info_update(usbdev
, bssid
) && match_bssid
&&
2119 if (ether_addr_equal(bssid
->mac
, match_bssid
))
2124 bssid
= next_bssid_list_item(bssid
, &bssid_len
, buf
, len
);
2127 netdev_dbg(usbdev
->net
, "%s(): num_items from device: %d, really found:"
2128 " %d\n", __func__
, count
, real_count
);
2135 static void rndis_get_scan_results(struct work_struct
*work
)
2137 struct rndis_wlan_private
*priv
=
2138 container_of(work
, struct rndis_wlan_private
, scan_work
.work
);
2139 struct usbnet
*usbdev
= priv
->usbdev
;
2142 netdev_dbg(usbdev
->net
, "get_scan_results\n");
2144 if (!priv
->scan_request
)
2147 ret
= rndis_check_bssid_list(usbdev
, NULL
, NULL
);
2149 cfg80211_scan_done(priv
->scan_request
, ret
< 0);
2151 priv
->scan_request
= NULL
;
2154 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
2155 struct cfg80211_connect_params
*sme
)
2157 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2158 struct usbnet
*usbdev
= priv
->usbdev
;
2159 struct ieee80211_channel
*channel
= sme
->channel
;
2160 struct ndis_80211_ssid ssid
;
2161 int pairwise
= RNDIS_WLAN_ALG_NONE
;
2162 int groupwise
= RNDIS_WLAN_ALG_NONE
;
2163 int keymgmt
= RNDIS_WLAN_KEY_MGMT_NONE
;
2164 int length
, i
, ret
, chan
= -1;
2167 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
2169 groupwise
= rndis_cipher_to_alg(sme
->crypto
.cipher_group
);
2170 for (i
= 0; i
< sme
->crypto
.n_ciphers_pairwise
; i
++)
2172 rndis_cipher_to_alg(sme
->crypto
.ciphers_pairwise
[i
]);
2174 if (sme
->crypto
.n_ciphers_pairwise
> 0 &&
2175 pairwise
== RNDIS_WLAN_ALG_NONE
) {
2176 netdev_err(usbdev
->net
, "Unsupported pairwise cipher\n");
2180 for (i
= 0; i
< sme
->crypto
.n_akm_suites
; i
++)
2182 rndis_akm_suite_to_key_mgmt(sme
->crypto
.akm_suites
[i
]);
2184 if (sme
->crypto
.n_akm_suites
> 0 &&
2185 keymgmt
== RNDIS_WLAN_KEY_MGMT_NONE
) {
2186 netdev_err(usbdev
->net
, "Invalid keymgmt\n");
2190 netdev_dbg(usbdev
->net
, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2191 sme
->ssid
, sme
->bssid
, chan
,
2192 sme
->privacy
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
2193 groupwise
, pairwise
, keymgmt
);
2195 if (is_associated(usbdev
))
2196 disassociate(usbdev
, false);
2198 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
2200 netdev_dbg(usbdev
->net
, "connect: set_infra_mode failed, %d\n",
2202 goto err_turn_radio_on
;
2205 ret
= set_auth_mode(usbdev
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
2208 netdev_dbg(usbdev
->net
, "connect: set_auth_mode failed, %d\n",
2210 goto err_turn_radio_on
;
2213 set_priv_filter(usbdev
);
2215 ret
= set_encr_mode(usbdev
, pairwise
, groupwise
);
2217 netdev_dbg(usbdev
->net
, "connect: set_encr_mode failed, %d\n",
2219 goto err_turn_radio_on
;
2223 ret
= set_channel(usbdev
, chan
);
2225 netdev_dbg(usbdev
->net
, "connect: set_channel failed, %d\n",
2227 goto err_turn_radio_on
;
2231 if (sme
->key
&& ((groupwise
| pairwise
) & RNDIS_WLAN_ALG_WEP
)) {
2232 priv
->encr_tx_key_index
= sme
->key_idx
;
2233 ret
= add_wep_key(usbdev
, sme
->key
, sme
->key_len
, sme
->key_idx
);
2235 netdev_dbg(usbdev
->net
, "connect: add_wep_key failed, %d (%d, %d)\n",
2236 ret
, sme
->key_len
, sme
->key_idx
);
2237 goto err_turn_radio_on
;
2241 if (sme
->bssid
&& !is_zero_ether_addr(sme
->bssid
) &&
2242 !is_broadcast_ether_addr(sme
->bssid
)) {
2243 ret
= set_bssid(usbdev
, sme
->bssid
);
2245 netdev_dbg(usbdev
->net
, "connect: set_bssid failed, %d\n",
2247 goto err_turn_radio_on
;
2250 clear_bssid(usbdev
);
2252 length
= sme
->ssid_len
;
2253 if (length
> NDIS_802_11_LENGTH_SSID
)
2254 length
= NDIS_802_11_LENGTH_SSID
;
2256 memset(&ssid
, 0, sizeof(ssid
));
2257 ssid
.length
= cpu_to_le32(length
);
2258 memcpy(ssid
.essid
, sme
->ssid
, length
);
2260 /* Pause and purge rx queue, so we don't pass packets before
2261 * 'media connect'-indication.
2263 usbnet_pause_rx(usbdev
);
2264 usbnet_purge_paused_rxq(usbdev
);
2266 ret
= set_essid(usbdev
, &ssid
);
2268 netdev_dbg(usbdev
->net
, "connect: set_essid failed, %d\n", ret
);
2272 disassociate(usbdev
, true);
2277 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
2280 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2281 struct usbnet
*usbdev
= priv
->usbdev
;
2283 netdev_dbg(usbdev
->net
, "cfg80211.disconnect(%d)\n", reason_code
);
2285 priv
->connected
= false;
2286 memset(priv
->bssid
, 0, ETH_ALEN
);
2288 return deauthenticate(usbdev
);
2291 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2292 struct cfg80211_ibss_params
*params
)
2294 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2295 struct usbnet
*usbdev
= priv
->usbdev
;
2296 struct ieee80211_channel
*channel
= params
->chandef
.chan
;
2297 struct ndis_80211_ssid ssid
;
2298 enum nl80211_auth_type auth_type
;
2299 int ret
, alg
, length
, chan
= -1;
2302 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
2304 /* TODO: How to handle ad-hoc encryption?
2305 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2306 * pre-shared for encryption (open/shared/wpa), is key set before
2307 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2309 if (params
->privacy
) {
2310 auth_type
= NL80211_AUTHTYPE_SHARED_KEY
;
2311 alg
= RNDIS_WLAN_ALG_WEP
;
2313 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
2314 alg
= RNDIS_WLAN_ALG_NONE
;
2317 netdev_dbg(usbdev
->net
, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2318 params
->ssid
, params
->bssid
, chan
, params
->privacy
);
2320 if (is_associated(usbdev
))
2321 disassociate(usbdev
, false);
2323 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_ADHOC
);
2325 netdev_dbg(usbdev
->net
, "join_ibss: set_infra_mode failed, %d\n",
2327 goto err_turn_radio_on
;
2330 ret
= set_auth_mode(usbdev
, 0, auth_type
, RNDIS_WLAN_KEY_MGMT_NONE
);
2332 netdev_dbg(usbdev
->net
, "join_ibss: set_auth_mode failed, %d\n",
2334 goto err_turn_radio_on
;
2337 set_priv_filter(usbdev
);
2339 ret
= set_encr_mode(usbdev
, alg
, RNDIS_WLAN_ALG_NONE
);
2341 netdev_dbg(usbdev
->net
, "join_ibss: set_encr_mode failed, %d\n",
2343 goto err_turn_radio_on
;
2347 ret
= set_channel(usbdev
, chan
);
2349 netdev_dbg(usbdev
->net
, "join_ibss: set_channel failed, %d\n",
2351 goto err_turn_radio_on
;
2355 if (params
->bssid
&& !is_zero_ether_addr(params
->bssid
) &&
2356 !is_broadcast_ether_addr(params
->bssid
)) {
2357 ret
= set_bssid(usbdev
, params
->bssid
);
2359 netdev_dbg(usbdev
->net
, "join_ibss: set_bssid failed, %d\n",
2361 goto err_turn_radio_on
;
2364 clear_bssid(usbdev
);
2366 length
= params
->ssid_len
;
2367 if (length
> NDIS_802_11_LENGTH_SSID
)
2368 length
= NDIS_802_11_LENGTH_SSID
;
2370 memset(&ssid
, 0, sizeof(ssid
));
2371 ssid
.length
= cpu_to_le32(length
);
2372 memcpy(ssid
.essid
, params
->ssid
, length
);
2374 /* Don't need to pause rx queue for ad-hoc. */
2375 usbnet_purge_paused_rxq(usbdev
);
2376 usbnet_resume_rx(usbdev
);
2378 ret
= set_essid(usbdev
, &ssid
);
2380 netdev_dbg(usbdev
->net
, "join_ibss: set_essid failed, %d\n",
2385 disassociate(usbdev
, true);
2390 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2392 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2393 struct usbnet
*usbdev
= priv
->usbdev
;
2395 netdev_dbg(usbdev
->net
, "cfg80211.leave_ibss()\n");
2397 priv
->connected
= false;
2398 memset(priv
->bssid
, 0, ETH_ALEN
);
2400 return deauthenticate(usbdev
);
2403 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2404 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
2405 struct key_params
*params
)
2407 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2408 struct usbnet
*usbdev
= priv
->usbdev
;
2411 netdev_dbg(usbdev
->net
, "%s(%i, %pM, %08x)\n",
2412 __func__
, key_index
, mac_addr
, params
->cipher
);
2414 switch (params
->cipher
) {
2415 case WLAN_CIPHER_SUITE_WEP40
:
2416 case WLAN_CIPHER_SUITE_WEP104
:
2417 return add_wep_key(usbdev
, params
->key
, params
->key_len
,
2419 case WLAN_CIPHER_SUITE_TKIP
:
2420 case WLAN_CIPHER_SUITE_CCMP
:
2423 if (params
->seq
&& params
->seq_len
> 0)
2424 flags
|= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
;
2426 flags
|= NDIS_80211_ADDKEY_PAIRWISE_KEY
|
2427 NDIS_80211_ADDKEY_TRANSMIT_KEY
;
2429 return add_wpa_key(usbdev
, params
->key
, params
->key_len
,
2430 key_index
, mac_addr
, params
->seq
,
2431 params
->seq_len
, params
->cipher
, flags
);
2433 netdev_dbg(usbdev
->net
, "%s(): unsupported cipher %08x\n",
2434 __func__
, params
->cipher
);
2439 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2440 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
2442 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2443 struct usbnet
*usbdev
= priv
->usbdev
;
2445 netdev_dbg(usbdev
->net
, "%s(%i, %pM)\n", __func__
, key_index
, mac_addr
);
2447 return remove_key(usbdev
, key_index
, mac_addr
);
2450 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2451 u8 key_index
, bool unicast
, bool multicast
)
2453 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2454 struct usbnet
*usbdev
= priv
->usbdev
;
2455 struct rndis_wlan_encr_key key
;
2457 netdev_dbg(usbdev
->net
, "%s(%i)\n", __func__
, key_index
);
2459 if (key_index
>= RNDIS_WLAN_NUM_KEYS
)
2462 priv
->encr_tx_key_index
= key_index
;
2464 if (is_wpa_key(priv
, key_index
))
2467 key
= priv
->encr_keys
[key_index
];
2469 return add_wep_key(usbdev
, key
.material
, key
.len
, key_index
);
2472 static void rndis_fill_station_info(struct usbnet
*usbdev
,
2473 struct station_info
*sinfo
)
2475 __le32 linkspeed
, rssi
;
2478 memset(sinfo
, 0, sizeof(*sinfo
));
2480 len
= sizeof(linkspeed
);
2481 ret
= rndis_query_oid(usbdev
, RNDIS_OID_GEN_LINK_SPEED
, &linkspeed
, &len
);
2483 sinfo
->txrate
.legacy
= le32_to_cpu(linkspeed
) / 1000;
2484 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
2488 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
2491 sinfo
->signal
= level_to_qual(le32_to_cpu(rssi
));
2492 sinfo
->filled
|= STATION_INFO_SIGNAL
;
2496 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2497 u8
*mac
, struct station_info
*sinfo
)
2499 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2500 struct usbnet
*usbdev
= priv
->usbdev
;
2502 if (!ether_addr_equal(priv
->bssid
, mac
))
2505 rndis_fill_station_info(usbdev
, sinfo
);
2510 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2511 int idx
, u8
*mac
, struct station_info
*sinfo
)
2513 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2514 struct usbnet
*usbdev
= priv
->usbdev
;
2519 memcpy(mac
, priv
->bssid
, ETH_ALEN
);
2521 rndis_fill_station_info(usbdev
, sinfo
);
2526 static int rndis_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
2527 struct cfg80211_pmksa
*pmksa
)
2529 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2530 struct usbnet
*usbdev
= priv
->usbdev
;
2531 struct ndis_80211_pmkid
*pmkids
;
2532 u32
*tmp
= (u32
*)pmksa
->pmkid
;
2534 netdev_dbg(usbdev
->net
, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__
,
2536 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
2537 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
2539 pmkids
= get_device_pmkids(usbdev
);
2540 if (IS_ERR(pmkids
)) {
2541 /* couldn't read PMKID cache from device */
2542 return PTR_ERR(pmkids
);
2545 pmkids
= update_pmkid(usbdev
, pmkids
, pmksa
, wiphy
->max_num_pmkids
);
2546 if (IS_ERR(pmkids
)) {
2547 /* not found, list full, etc */
2548 return PTR_ERR(pmkids
);
2551 return set_device_pmkids(usbdev
, pmkids
);
2554 static int rndis_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
2555 struct cfg80211_pmksa
*pmksa
)
2557 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2558 struct usbnet
*usbdev
= priv
->usbdev
;
2559 struct ndis_80211_pmkid
*pmkids
;
2560 u32
*tmp
= (u32
*)pmksa
->pmkid
;
2562 netdev_dbg(usbdev
->net
, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__
,
2564 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
2565 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
2567 pmkids
= get_device_pmkids(usbdev
);
2568 if (IS_ERR(pmkids
)) {
2569 /* Couldn't read PMKID cache from device */
2570 return PTR_ERR(pmkids
);
2573 pmkids
= remove_pmkid(usbdev
, pmkids
, pmksa
, wiphy
->max_num_pmkids
);
2574 if (IS_ERR(pmkids
)) {
2575 /* not found, etc */
2576 return PTR_ERR(pmkids
);
2579 return set_device_pmkids(usbdev
, pmkids
);
2582 static int rndis_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
2584 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2585 struct usbnet
*usbdev
= priv
->usbdev
;
2586 struct ndis_80211_pmkid pmkid
;
2588 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
2590 memset(&pmkid
, 0, sizeof(pmkid
));
2592 pmkid
.length
= cpu_to_le32(sizeof(pmkid
));
2593 pmkid
.bssid_info_count
= cpu_to_le32(0);
2595 return rndis_set_oid(usbdev
, RNDIS_OID_802_11_PMKID
,
2596 &pmkid
, sizeof(pmkid
));
2599 static int rndis_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2600 bool enabled
, int timeout
)
2602 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2603 struct usbnet
*usbdev
= priv
->usbdev
;
2608 if (priv
->device_type
!= RNDIS_BCM4320B
)
2611 netdev_dbg(usbdev
->net
, "%s(): %s, %d\n", __func__
,
2612 enabled
? "enabled" : "disabled",
2616 power_mode
= NDIS_80211_POWER_MODE_FAST_PSP
;
2618 power_mode
= NDIS_80211_POWER_MODE_CAM
;
2620 if (power_mode
== priv
->power_mode
)
2623 priv
->power_mode
= power_mode
;
2625 mode
= cpu_to_le32(power_mode
);
2626 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_POWER_MODE
,
2627 &mode
, sizeof(mode
));
2629 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
2635 static int rndis_set_cqm_rssi_config(struct wiphy
*wiphy
,
2636 struct net_device
*dev
,
2637 s32 rssi_thold
, u32 rssi_hyst
)
2639 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2641 priv
->cqm_rssi_thold
= rssi_thold
;
2642 priv
->cqm_rssi_hyst
= rssi_hyst
;
2643 priv
->last_cqm_event_rssi
= 0;
2648 static void rndis_wlan_craft_connected_bss(struct usbnet
*usbdev
, u8
*bssid
,
2649 struct ndis_80211_assoc_info
*info
)
2651 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2652 struct ieee80211_channel
*channel
;
2653 struct ndis_80211_ssid ssid
;
2654 struct cfg80211_bss
*bss
;
2658 u32 beacon_period
= 0;
2661 int len
, ret
, ie_len
;
2663 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2666 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
2668 signal
= level_to_qual(le32_to_cpu(rssi
));
2670 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
2671 "rssi:%d, qual: %d\n", __func__
, ret
, le32_to_cpu(rssi
),
2672 level_to_qual(le32_to_cpu(rssi
)));
2674 /* Get AP capabilities */
2676 capability
= le16_to_cpu(info
->resp_ie
.capa
);
2678 /* Set atleast ESS/IBSS capability */
2679 capability
= (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) ?
2680 WLAN_CAPABILITY_ESS
: WLAN_CAPABILITY_IBSS
;
2683 /* Get channel and beacon interval */
2684 channel
= get_current_channel(usbdev
, &beacon_period
);
2686 netdev_warn(usbdev
->net
, "%s(): could not get channel.\n",
2691 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2693 memset(&ssid
, 0, sizeof(ssid
));
2694 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_SSID
,
2696 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
2697 "'%.32s'\n", __func__
, ret
,
2698 le32_to_cpu(ssid
.length
), ssid
.essid
);
2700 if (le32_to_cpu(ssid
.length
) > 32)
2701 ssid
.length
= cpu_to_le32(32);
2703 ie_buf
[0] = WLAN_EID_SSID
;
2704 ie_buf
[1] = le32_to_cpu(ssid
.length
);
2705 memcpy(&ie_buf
[2], ssid
.essid
, le32_to_cpu(ssid
.length
));
2707 ie_len
= le32_to_cpu(ssid
.length
) + 2;
2712 netdev_dbg(usbdev
->net
, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2713 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2714 "signal:%d\n", __func__
, (channel
? channel
->center_freq
: -1),
2715 bssid
, (u32
)timestamp
, capability
, beacon_period
, ie_len
,
2716 ssid
.essid
, signal
);
2718 bss
= cfg80211_inform_bss(priv
->wdev
.wiphy
, channel
, bssid
,
2719 timestamp
, capability
, beacon_period
, ie_buf
, ie_len
,
2720 signal
, GFP_KERNEL
);
2721 cfg80211_put_bss(bss
);
2725 * workers, indication handlers, device poller
2727 static void rndis_wlan_do_link_up_work(struct usbnet
*usbdev
)
2729 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2730 struct ndis_80211_assoc_info
*info
= NULL
;
2732 unsigned int resp_ie_len
, req_ie_len
;
2733 unsigned int offset
;
2734 u8
*req_ie
, *resp_ie
;
2736 bool roamed
= false;
2739 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
&& priv
->connected
) {
2740 /* received media connect indication while connected, either
2741 * device reassociated with same AP or roamed to new. */
2750 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2751 info
= kzalloc(CONTROL_BUFFER_SIZE
, GFP_KERNEL
);
2753 /* No memory? Try resume work later */
2754 set_bit(WORK_LINK_UP
, &priv
->work_pending
);
2755 queue_work(priv
->workqueue
, &priv
->work
);
2759 /* Get association info IEs from device. */
2760 ret
= get_association_info(usbdev
, info
, CONTROL_BUFFER_SIZE
);
2762 req_ie_len
= le32_to_cpu(info
->req_ie_length
);
2763 if (req_ie_len
> CONTROL_BUFFER_SIZE
)
2764 req_ie_len
= CONTROL_BUFFER_SIZE
;
2765 if (req_ie_len
!= 0) {
2766 offset
= le32_to_cpu(info
->offset_req_ies
);
2768 if (offset
> CONTROL_BUFFER_SIZE
)
2769 offset
= CONTROL_BUFFER_SIZE
;
2771 req_ie
= (u8
*)info
+ offset
;
2773 if (offset
+ req_ie_len
> CONTROL_BUFFER_SIZE
)
2775 CONTROL_BUFFER_SIZE
- offset
;
2778 resp_ie_len
= le32_to_cpu(info
->resp_ie_length
);
2779 if (resp_ie_len
> CONTROL_BUFFER_SIZE
)
2780 resp_ie_len
= CONTROL_BUFFER_SIZE
;
2781 if (resp_ie_len
!= 0) {
2782 offset
= le32_to_cpu(info
->offset_resp_ies
);
2784 if (offset
> CONTROL_BUFFER_SIZE
)
2785 offset
= CONTROL_BUFFER_SIZE
;
2787 resp_ie
= (u8
*)info
+ offset
;
2789 if (offset
+ resp_ie_len
> CONTROL_BUFFER_SIZE
)
2791 CONTROL_BUFFER_SIZE
- offset
;
2794 /* Since rndis_wlan_craft_connected_bss() might use info
2795 * later and expects info to contain valid data if
2796 * non-null, free info and set NULL here.
2801 } else if (WARN_ON(priv
->infra_mode
!= NDIS_80211_INFRA_ADHOC
))
2804 ret
= get_bssid(usbdev
, bssid
);
2806 memset(bssid
, 0, sizeof(bssid
));
2808 netdev_dbg(usbdev
->net
, "link up work: [%pM]%s\n",
2809 bssid
, roamed
? " roamed" : "");
2811 /* Internal bss list in device should contain at least the currently
2812 * connected bss and we can get it to cfg80211 with
2813 * rndis_check_bssid_list().
2815 * NDIS spec says: "If the device is associated, but the associated
2816 * BSSID is not in its BSSID scan list, then the driver must add an
2817 * entry for the BSSID at the end of the data that it returns in
2818 * response to query of RNDIS_OID_802_11_BSSID_LIST."
2820 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
2823 rndis_check_bssid_list(usbdev
, bssid
, &match_bss
);
2825 if (!is_zero_ether_addr(bssid
) && !match_bss
) {
2826 /* Couldn't get bss from device, we need to manually craft bss
2829 rndis_wlan_craft_connected_bss(usbdev
, bssid
, info
);
2832 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2834 cfg80211_connect_result(usbdev
->net
, bssid
, req_ie
,
2835 req_ie_len
, resp_ie
,
2836 resp_ie_len
, 0, GFP_KERNEL
);
2838 cfg80211_roamed(usbdev
->net
,
2839 get_current_channel(usbdev
, NULL
),
2840 bssid
, req_ie
, req_ie_len
,
2841 resp_ie
, resp_ie_len
, GFP_KERNEL
);
2842 } else if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
2843 cfg80211_ibss_joined(usbdev
->net
, bssid
, GFP_KERNEL
);
2848 priv
->connected
= true;
2849 memcpy(priv
->bssid
, bssid
, ETH_ALEN
);
2851 usbnet_resume_rx(usbdev
);
2852 netif_carrier_on(usbdev
->net
);
2855 static void rndis_wlan_do_link_down_work(struct usbnet
*usbdev
)
2857 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2859 if (priv
->connected
) {
2860 priv
->connected
= false;
2861 memset(priv
->bssid
, 0, ETH_ALEN
);
2863 deauthenticate(usbdev
);
2865 cfg80211_disconnected(usbdev
->net
, 0, NULL
, 0, GFP_KERNEL
);
2868 netif_carrier_off(usbdev
->net
);
2871 static void rndis_wlan_worker(struct work_struct
*work
)
2873 struct rndis_wlan_private
*priv
=
2874 container_of(work
, struct rndis_wlan_private
, work
);
2875 struct usbnet
*usbdev
= priv
->usbdev
;
2877 if (test_and_clear_bit(WORK_LINK_UP
, &priv
->work_pending
))
2878 rndis_wlan_do_link_up_work(usbdev
);
2880 if (test_and_clear_bit(WORK_LINK_DOWN
, &priv
->work_pending
))
2881 rndis_wlan_do_link_down_work(usbdev
);
2883 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2884 set_multicast_list(usbdev
);
2887 static void rndis_wlan_set_multicast_list(struct net_device
*dev
)
2889 struct usbnet
*usbdev
= netdev_priv(dev
);
2890 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2892 if (test_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2895 set_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
);
2896 queue_work(priv
->workqueue
, &priv
->work
);
2899 static void rndis_wlan_auth_indication(struct usbnet
*usbdev
,
2900 struct ndis_80211_status_indication
*indication
,
2905 int flags
, buflen
, key_id
;
2906 bool pairwise_error
, group_error
;
2907 struct ndis_80211_auth_request
*auth_req
;
2908 enum nl80211_key_type key_type
;
2910 /* must have at least one array entry */
2911 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2912 sizeof(struct ndis_80211_auth_request
)) {
2913 netdev_info(usbdev
->net
, "authentication indication: too short message (%i)\n",
2918 buf
= (void *)&indication
->u
.auth_request
[0];
2919 buflen
= len
- offsetof(struct ndis_80211_status_indication
, u
);
2921 while (buflen
>= sizeof(*auth_req
)) {
2922 auth_req
= (void *)buf
;
2924 flags
= le32_to_cpu(auth_req
->flags
);
2925 pairwise_error
= false;
2926 group_error
= false;
2929 type
= "reauth request";
2931 type
= "key update request";
2933 pairwise_error
= true;
2934 type
= "pairwise_error";
2938 type
= "group_error";
2941 netdev_info(usbdev
->net
, "authentication indication: %s (0x%08x)\n",
2942 type
, le32_to_cpu(auth_req
->flags
));
2944 if (pairwise_error
) {
2945 key_type
= NL80211_KEYTYPE_PAIRWISE
;
2948 cfg80211_michael_mic_failure(usbdev
->net
,
2950 key_type
, key_id
, NULL
,
2955 key_type
= NL80211_KEYTYPE_GROUP
;
2958 cfg80211_michael_mic_failure(usbdev
->net
,
2960 key_type
, key_id
, NULL
,
2964 buflen
-= le32_to_cpu(auth_req
->length
);
2965 buf
+= le32_to_cpu(auth_req
->length
);
2969 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet
*usbdev
,
2970 struct ndis_80211_status_indication
*indication
,
2973 struct ndis_80211_pmkid_cand_list
*cand_list
;
2974 int list_len
, expected_len
, i
;
2976 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2977 sizeof(struct ndis_80211_pmkid_cand_list
)) {
2978 netdev_info(usbdev
->net
, "pmkid candidate list indication: too short message (%i)\n",
2983 list_len
= le32_to_cpu(indication
->u
.cand_list
.num_candidates
) *
2984 sizeof(struct ndis_80211_pmkid_candidate
);
2985 expected_len
= sizeof(struct ndis_80211_pmkid_cand_list
) + list_len
+
2986 offsetof(struct ndis_80211_status_indication
, u
);
2988 if (len
< expected_len
) {
2989 netdev_info(usbdev
->net
, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2994 cand_list
= &indication
->u
.cand_list
;
2996 netdev_info(usbdev
->net
, "pmkid candidate list indication: version %i, candidates %i\n",
2997 le32_to_cpu(cand_list
->version
),
2998 le32_to_cpu(cand_list
->num_candidates
));
3000 if (le32_to_cpu(cand_list
->version
) != 1)
3003 for (i
= 0; i
< le32_to_cpu(cand_list
->num_candidates
); i
++) {
3004 struct ndis_80211_pmkid_candidate
*cand
=
3005 &cand_list
->candidate_list
[i
];
3006 bool preauth
= !!(cand
->flags
& NDIS_80211_PMKID_CAND_PREAUTH
);
3008 netdev_dbg(usbdev
->net
, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3009 i
, le32_to_cpu(cand
->flags
), preauth
, cand
->bssid
);
3011 cfg80211_pmksa_candidate_notify(usbdev
->net
, i
, cand
->bssid
,
3012 preauth
, GFP_ATOMIC
);
3016 static void rndis_wlan_media_specific_indication(struct usbnet
*usbdev
,
3017 struct rndis_indicate
*msg
, int buflen
)
3019 struct ndis_80211_status_indication
*indication
;
3020 unsigned int len
, offset
;
3022 offset
= offsetof(struct rndis_indicate
, status
) +
3023 le32_to_cpu(msg
->offset
);
3024 len
= le32_to_cpu(msg
->length
);
3027 netdev_info(usbdev
->net
, "media specific indication, ignore too short message (%i < 8)\n",
3032 if (len
> buflen
|| offset
> buflen
|| offset
+ len
> buflen
) {
3033 netdev_info(usbdev
->net
, "media specific indication, too large to fit to buffer (%i > %i)\n",
3034 offset
+ len
, buflen
);
3038 indication
= (void *)((u8
*)msg
+ offset
);
3040 switch (le32_to_cpu(indication
->status_type
)) {
3041 case NDIS_80211_STATUSTYPE_RADIOSTATE
:
3042 netdev_info(usbdev
->net
, "radio state indication: %i\n",
3043 le32_to_cpu(indication
->u
.radio_status
));
3046 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE
:
3047 netdev_info(usbdev
->net
, "media stream mode indication: %i\n",
3048 le32_to_cpu(indication
->u
.media_stream_mode
));
3051 case NDIS_80211_STATUSTYPE_AUTHENTICATION
:
3052 rndis_wlan_auth_indication(usbdev
, indication
, len
);
3055 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST
:
3056 rndis_wlan_pmkid_cand_list_indication(usbdev
, indication
, len
);
3060 netdev_info(usbdev
->net
, "media specific indication: unknown status type 0x%08x\n",
3061 le32_to_cpu(indication
->status_type
));
3065 static void rndis_wlan_indication(struct usbnet
*usbdev
, void *ind
, int buflen
)
3067 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3068 struct rndis_indicate
*msg
= ind
;
3070 switch (le32_to_cpu(msg
->status
)) {
3071 case RNDIS_STATUS_MEDIA_CONNECT
:
3072 if (priv
->current_command_oid
== RNDIS_OID_802_11_ADD_KEY
) {
3073 /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
3074 * "media connect" indications which confuses driver
3075 * and userspace to think that device is
3076 * roaming/reassociating when it isn't.
3078 netdev_dbg(usbdev
->net
, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
3082 usbnet_pause_rx(usbdev
);
3084 netdev_info(usbdev
->net
, "media connect\n");
3086 /* queue work to avoid recursive calls into rndis_command */
3087 set_bit(WORK_LINK_UP
, &priv
->work_pending
);
3088 queue_work(priv
->workqueue
, &priv
->work
);
3091 case RNDIS_STATUS_MEDIA_DISCONNECT
:
3092 netdev_info(usbdev
->net
, "media disconnect\n");
3094 /* queue work to avoid recursive calls into rndis_command */
3095 set_bit(WORK_LINK_DOWN
, &priv
->work_pending
);
3096 queue_work(priv
->workqueue
, &priv
->work
);
3099 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION
:
3100 rndis_wlan_media_specific_indication(usbdev
, msg
, buflen
);
3104 netdev_info(usbdev
->net
, "indication: 0x%08x\n",
3105 le32_to_cpu(msg
->status
));
3110 static int rndis_wlan_get_caps(struct usbnet
*usbdev
, struct wiphy
*wiphy
)
3115 } networks_supported
;
3116 struct ndis_80211_capability
*caps
;
3117 u8 caps_buf
[sizeof(*caps
) + sizeof(caps
->auth_encr_pair
) * 16];
3118 int len
, retval
, i
, n
;
3119 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3121 /* determine supported modes */
3122 len
= sizeof(networks_supported
);
3123 retval
= rndis_query_oid(usbdev
,
3124 RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED
,
3125 &networks_supported
, &len
);
3127 n
= le32_to_cpu(networks_supported
.num_items
);
3130 for (i
= 0; i
< n
; i
++) {
3131 switch (le32_to_cpu(networks_supported
.items
[i
])) {
3132 case NDIS_80211_TYPE_FREQ_HOP
:
3133 case NDIS_80211_TYPE_DIRECT_SEQ
:
3134 priv
->caps
|= CAP_MODE_80211B
;
3136 case NDIS_80211_TYPE_OFDM_A
:
3137 priv
->caps
|= CAP_MODE_80211A
;
3139 case NDIS_80211_TYPE_OFDM_G
:
3140 priv
->caps
|= CAP_MODE_80211G
;
3146 /* get device 802.11 capabilities, number of PMKIDs */
3147 caps
= (struct ndis_80211_capability
*)caps_buf
;
3148 len
= sizeof(caps_buf
);
3149 retval
= rndis_query_oid(usbdev
,
3150 RNDIS_OID_802_11_CAPABILITY
,
3153 netdev_dbg(usbdev
->net
, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
3154 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3155 le32_to_cpu(caps
->length
),
3156 le32_to_cpu(caps
->version
),
3157 le32_to_cpu(caps
->num_pmkids
),
3158 le32_to_cpu(caps
->num_auth_encr_pair
));
3159 wiphy
->max_num_pmkids
= le32_to_cpu(caps
->num_pmkids
);
3161 wiphy
->max_num_pmkids
= 0;
3166 static void rndis_do_cqm(struct usbnet
*usbdev
, s32 rssi
)
3168 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3169 enum nl80211_cqm_rssi_threshold_event event
;
3170 int thold
, hyst
, last_event
;
3172 if (priv
->cqm_rssi_thold
>= 0 || rssi
>= 0)
3174 if (priv
->infra_mode
!= NDIS_80211_INFRA_INFRA
)
3177 last_event
= priv
->last_cqm_event_rssi
;
3178 thold
= priv
->cqm_rssi_thold
;
3179 hyst
= priv
->cqm_rssi_hyst
;
3181 if (rssi
< thold
&& (last_event
== 0 || rssi
< last_event
- hyst
))
3182 event
= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
;
3183 else if (rssi
> thold
&& (last_event
== 0 || rssi
> last_event
+ hyst
))
3184 event
= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
;
3188 priv
->last_cqm_event_rssi
= rssi
;
3189 cfg80211_cqm_rssi_notify(usbdev
->net
, event
, GFP_KERNEL
);
3192 #define DEVICE_POLLER_JIFFIES (HZ)
3193 static void rndis_device_poller(struct work_struct
*work
)
3195 struct rndis_wlan_private
*priv
=
3196 container_of(work
, struct rndis_wlan_private
,
3197 dev_poller_work
.work
);
3198 struct usbnet
*usbdev
= priv
->usbdev
;
3201 int update_jiffies
= DEVICE_POLLER_JIFFIES
;
3204 /* Only check/do workaround when connected. Calling is_associated()
3205 * also polls device with rndis_command() and catches for media link
3208 if (!is_associated(usbdev
)) {
3209 /* Workaround bad scanning in BCM4320a devices with active
3210 * background scanning when not associated.
3212 if (priv
->device_type
== RNDIS_BCM4320A
&& priv
->radio_on
&&
3213 !priv
->scan_request
) {
3214 /* Get previous scan results */
3215 rndis_check_bssid_list(usbdev
, NULL
, NULL
);
3217 /* Initiate new scan */
3218 rndis_start_bssid_list_scan(usbdev
);
3225 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
3228 priv
->last_qual
= level_to_qual(le32_to_cpu(rssi
));
3229 rndis_do_cqm(usbdev
, le32_to_cpu(rssi
));
3232 netdev_dbg(usbdev
->net
, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3233 ret
, le32_to_cpu(rssi
), level_to_qual(le32_to_cpu(rssi
)));
3235 /* Workaround transfer stalls on poor quality links.
3236 * TODO: find right way to fix these stalls (as stalls do not happen
3237 * with ndiswrapper/windows driver). */
3238 if (priv
->param_workaround_interval
> 0 && priv
->last_qual
<= 25) {
3239 /* Decrease stats worker interval to catch stalls.
3240 * faster. Faster than 400-500ms causes packet loss,
3241 * Slower doesn't catch stalls fast enough.
3243 j
= msecs_to_jiffies(priv
->param_workaround_interval
);
3244 if (j
> DEVICE_POLLER_JIFFIES
)
3245 j
= DEVICE_POLLER_JIFFIES
;
3250 /* Send scan OID. Use of both OIDs is required to get device
3253 tmp
= cpu_to_le32(1);
3254 rndis_set_oid(usbdev
,
3255 RNDIS_OID_802_11_BSSID_LIST_SCAN
,
3258 len
= CONTROL_BUFFER_SIZE
;
3259 buf
= kmalloc(len
, GFP_KERNEL
);
3263 rndis_query_oid(usbdev
,
3264 RNDIS_OID_802_11_BSSID_LIST
,
3270 if (update_jiffies
>= HZ
)
3271 update_jiffies
= round_jiffies_relative(update_jiffies
);
3273 j
= round_jiffies_relative(update_jiffies
);
3274 if (abs(j
- update_jiffies
) <= 10)
3278 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
3283 * driver/device initialization
3285 static void rndis_copy_module_params(struct usbnet
*usbdev
, int device_type
)
3287 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3289 priv
->device_type
= device_type
;
3291 priv
->param_country
[0] = modparam_country
[0];
3292 priv
->param_country
[1] = modparam_country
[1];
3293 priv
->param_country
[2] = 0;
3294 priv
->param_frameburst
= modparam_frameburst
;
3295 priv
->param_afterburner
= modparam_afterburner
;
3296 priv
->param_power_save
= modparam_power_save
;
3297 priv
->param_power_output
= modparam_power_output
;
3298 priv
->param_roamtrigger
= modparam_roamtrigger
;
3299 priv
->param_roamdelta
= modparam_roamdelta
;
3301 priv
->param_country
[0] = toupper(priv
->param_country
[0]);
3302 priv
->param_country
[1] = toupper(priv
->param_country
[1]);
3303 /* doesn't support EU as country code, use FI instead */
3304 if (!strcmp(priv
->param_country
, "EU"))
3305 strcpy(priv
->param_country
, "FI");
3307 if (priv
->param_power_save
< 0)
3308 priv
->param_power_save
= 0;
3309 else if (priv
->param_power_save
> 2)
3310 priv
->param_power_save
= 2;
3312 if (priv
->param_power_output
< 0)
3313 priv
->param_power_output
= 0;
3314 else if (priv
->param_power_output
> 3)
3315 priv
->param_power_output
= 3;
3317 if (priv
->param_roamtrigger
< -80)
3318 priv
->param_roamtrigger
= -80;
3319 else if (priv
->param_roamtrigger
> -60)
3320 priv
->param_roamtrigger
= -60;
3322 if (priv
->param_roamdelta
< 0)
3323 priv
->param_roamdelta
= 0;
3324 else if (priv
->param_roamdelta
> 2)
3325 priv
->param_roamdelta
= 2;
3327 if (modparam_workaround_interval
< 0)
3328 priv
->param_workaround_interval
= 500;
3330 priv
->param_workaround_interval
= modparam_workaround_interval
;
3333 static int unknown_early_init(struct usbnet
*usbdev
)
3335 /* copy module parameters for unknown so that iwconfig reports txpower
3336 * and workaround parameter is copied to private structure correctly.
3338 rndis_copy_module_params(usbdev
, RNDIS_UNKNOWN
);
3340 /* This is unknown device, so do not try set configuration parameters.
3346 static int bcm4320a_early_init(struct usbnet
*usbdev
)
3348 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3349 * and workaround parameter is copied to private structure correctly.
3351 rndis_copy_module_params(usbdev
, RNDIS_BCM4320A
);
3353 /* bcm4320a doesn't handle configuration parameters well. Try
3354 * set any and you get partially zeroed mac and broken device.
3360 static int bcm4320b_early_init(struct usbnet
*usbdev
)
3362 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3365 rndis_copy_module_params(usbdev
, RNDIS_BCM4320B
);
3367 /* Early initialization settings, setting these won't have effect
3368 * if called after generic_rndis_bind().
3371 rndis_set_config_parameter_str(usbdev
, "Country", priv
->param_country
);
3372 rndis_set_config_parameter_str(usbdev
, "FrameBursting",
3373 priv
->param_frameburst
? "1" : "0");
3374 rndis_set_config_parameter_str(usbdev
, "Afterburner",
3375 priv
->param_afterburner
? "1" : "0");
3376 sprintf(buf
, "%d", priv
->param_power_save
);
3377 rndis_set_config_parameter_str(usbdev
, "PowerSaveMode", buf
);
3378 sprintf(buf
, "%d", priv
->param_power_output
);
3379 rndis_set_config_parameter_str(usbdev
, "PwrOut", buf
);
3380 sprintf(buf
, "%d", priv
->param_roamtrigger
);
3381 rndis_set_config_parameter_str(usbdev
, "RoamTrigger", buf
);
3382 sprintf(buf
, "%d", priv
->param_roamdelta
);
3383 rndis_set_config_parameter_str(usbdev
, "RoamDelta", buf
);
3388 /* same as rndis_netdev_ops but with local multicast handler */
3389 static const struct net_device_ops rndis_wlan_netdev_ops
= {
3390 .ndo_open
= usbnet_open
,
3391 .ndo_stop
= usbnet_stop
,
3392 .ndo_start_xmit
= usbnet_start_xmit
,
3393 .ndo_tx_timeout
= usbnet_tx_timeout
,
3394 .ndo_set_mac_address
= eth_mac_addr
,
3395 .ndo_validate_addr
= eth_validate_addr
,
3396 .ndo_set_rx_mode
= rndis_wlan_set_multicast_list
,
3399 static int rndis_wlan_bind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
3401 struct wiphy
*wiphy
;
3402 struct rndis_wlan_private
*priv
;
3406 /* allocate wiphy and rndis private data
3407 * NOTE: We only support a single virtual interface, so wiphy
3408 * and wireless_dev are somewhat synonymous for this device.
3410 wiphy
= wiphy_new(&rndis_config_ops
, sizeof(struct rndis_wlan_private
));
3414 priv
= wiphy_priv(wiphy
);
3415 usbdev
->net
->ieee80211_ptr
= &priv
->wdev
;
3416 priv
->wdev
.wiphy
= wiphy
;
3417 priv
->wdev
.iftype
= NL80211_IFTYPE_STATION
;
3419 /* These have to be initialized before calling generic_rndis_bind().
3420 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3422 usbdev
->driver_priv
= priv
;
3423 priv
->usbdev
= usbdev
;
3425 mutex_init(&priv
->command_lock
);
3427 /* because rndis_command() sleeps we need to use workqueue */
3428 priv
->workqueue
= create_singlethread_workqueue("rndis_wlan");
3429 INIT_WORK(&priv
->work
, rndis_wlan_worker
);
3430 INIT_DELAYED_WORK(&priv
->dev_poller_work
, rndis_device_poller
);
3431 INIT_DELAYED_WORK(&priv
->scan_work
, rndis_get_scan_results
);
3433 /* try bind rndis_host */
3434 retval
= generic_rndis_bind(usbdev
, intf
, FLAG_RNDIS_PHYM_WIRELESS
);
3438 /* generic_rndis_bind set packet filter to multicast_all+
3439 * promisc mode which doesn't work well for our devices (device
3440 * picks up rssi to closest station instead of to access point).
3442 * rndis_host wants to avoid all OID as much as possible
3443 * so do promisc/multicast handling in rndis_wlan.
3445 usbdev
->net
->netdev_ops
= &rndis_wlan_netdev_ops
;
3447 tmp
= cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED
| RNDIS_PACKET_TYPE_BROADCAST
);
3448 retval
= rndis_set_oid(usbdev
,
3449 RNDIS_OID_GEN_CURRENT_PACKET_FILTER
,
3453 retval
= rndis_query_oid(usbdev
,
3454 RNDIS_OID_802_3_MAXIMUM_LIST_SIZE
,
3456 priv
->multicast_size
= le32_to_cpu(tmp
);
3457 if (retval
< 0 || priv
->multicast_size
< 0)
3458 priv
->multicast_size
= 0;
3459 if (priv
->multicast_size
> 0)
3460 usbdev
->net
->flags
|= IFF_MULTICAST
;
3462 usbdev
->net
->flags
&= ~IFF_MULTICAST
;
3464 /* fill-out wiphy structure and register w/ cfg80211 */
3465 memcpy(wiphy
->perm_addr
, usbdev
->net
->dev_addr
, ETH_ALEN
);
3466 wiphy
->privid
= rndis_wiphy_privid
;
3467 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
)
3468 | BIT(NL80211_IFTYPE_ADHOC
);
3469 wiphy
->max_scan_ssids
= 1;
3471 /* TODO: fill-out band/encr information based on priv->caps */
3472 rndis_wlan_get_caps(usbdev
, wiphy
);
3474 memcpy(priv
->channels
, rndis_channels
, sizeof(rndis_channels
));
3475 memcpy(priv
->rates
, rndis_rates
, sizeof(rndis_rates
));
3476 priv
->band
.channels
= priv
->channels
;
3477 priv
->band
.n_channels
= ARRAY_SIZE(rndis_channels
);
3478 priv
->band
.bitrates
= priv
->rates
;
3479 priv
->band
.n_bitrates
= ARRAY_SIZE(rndis_rates
);
3480 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
3481 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_UNSPEC
;
3483 memcpy(priv
->cipher_suites
, rndis_cipher_suites
,
3484 sizeof(rndis_cipher_suites
));
3485 wiphy
->cipher_suites
= priv
->cipher_suites
;
3486 wiphy
->n_cipher_suites
= ARRAY_SIZE(rndis_cipher_suites
);
3488 set_wiphy_dev(wiphy
, &usbdev
->udev
->dev
);
3490 if (wiphy_register(wiphy
)) {
3495 set_default_iw_params(usbdev
);
3497 priv
->power_mode
= -1;
3499 /* set default rts/frag */
3500 rndis_set_wiphy_params(wiphy
,
3501 WIPHY_PARAM_FRAG_THRESHOLD
| WIPHY_PARAM_RTS_THRESHOLD
);
3503 /* turn radio off on init */
3504 priv
->radio_on
= false;
3505 disassociate(usbdev
, false);
3506 netif_carrier_off(usbdev
->net
);
3511 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3512 cancel_delayed_work_sync(&priv
->scan_work
);
3513 cancel_work_sync(&priv
->work
);
3514 flush_workqueue(priv
->workqueue
);
3515 destroy_workqueue(priv
->workqueue
);
3521 static void rndis_wlan_unbind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
3523 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3525 /* turn radio off */
3526 disassociate(usbdev
, false);
3528 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3529 cancel_delayed_work_sync(&priv
->scan_work
);
3530 cancel_work_sync(&priv
->work
);
3531 flush_workqueue(priv
->workqueue
);
3532 destroy_workqueue(priv
->workqueue
);
3534 rndis_unbind(usbdev
, intf
);
3536 wiphy_unregister(priv
->wdev
.wiphy
);
3537 wiphy_free(priv
->wdev
.wiphy
);
3540 static int rndis_wlan_reset(struct usbnet
*usbdev
)
3542 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3545 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
3547 retval
= rndis_reset(usbdev
);
3549 netdev_warn(usbdev
->net
, "rndis_reset failed: %d\n", retval
);
3551 /* rndis_reset cleared multicast list, so restore here.
3552 (set_multicast_list() also turns on current packet filter) */
3553 set_multicast_list(usbdev
);
3555 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
3556 round_jiffies_relative(DEVICE_POLLER_JIFFIES
));
3558 return deauthenticate(usbdev
);
3561 static int rndis_wlan_stop(struct usbnet
*usbdev
)
3563 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3567 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
3569 retval
= disassociate(usbdev
, false);
3571 priv
->work_pending
= 0;
3572 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3573 cancel_delayed_work_sync(&priv
->scan_work
);
3574 cancel_work_sync(&priv
->work
);
3575 flush_workqueue(priv
->workqueue
);
3577 if (priv
->scan_request
) {
3578 cfg80211_scan_done(priv
->scan_request
, true);
3579 priv
->scan_request
= NULL
;
3582 /* Set current packet filter zero to block receiving data packets from
3585 rndis_set_oid(usbdev
, RNDIS_OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
3591 static const struct driver_info bcm4320b_info
= {
3592 .description
= "Wireless RNDIS device, BCM4320b based",
3593 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3594 FLAG_AVOID_UNLINK_URBS
,
3595 .bind
= rndis_wlan_bind
,
3596 .unbind
= rndis_wlan_unbind
,
3597 .status
= rndis_status
,
3598 .rx_fixup
= rndis_rx_fixup
,
3599 .tx_fixup
= rndis_tx_fixup
,
3600 .reset
= rndis_wlan_reset
,
3601 .stop
= rndis_wlan_stop
,
3602 .early_init
= bcm4320b_early_init
,
3603 .indication
= rndis_wlan_indication
,
3606 static const struct driver_info bcm4320a_info
= {
3607 .description
= "Wireless RNDIS device, BCM4320a based",
3608 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3609 FLAG_AVOID_UNLINK_URBS
,
3610 .bind
= rndis_wlan_bind
,
3611 .unbind
= rndis_wlan_unbind
,
3612 .status
= rndis_status
,
3613 .rx_fixup
= rndis_rx_fixup
,
3614 .tx_fixup
= rndis_tx_fixup
,
3615 .reset
= rndis_wlan_reset
,
3616 .stop
= rndis_wlan_stop
,
3617 .early_init
= bcm4320a_early_init
,
3618 .indication
= rndis_wlan_indication
,
3621 static const struct driver_info rndis_wlan_info
= {
3622 .description
= "Wireless RNDIS device",
3623 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3624 FLAG_AVOID_UNLINK_URBS
,
3625 .bind
= rndis_wlan_bind
,
3626 .unbind
= rndis_wlan_unbind
,
3627 .status
= rndis_status
,
3628 .rx_fixup
= rndis_rx_fixup
,
3629 .tx_fixup
= rndis_tx_fixup
,
3630 .reset
= rndis_wlan_reset
,
3631 .stop
= rndis_wlan_stop
,
3632 .early_init
= unknown_early_init
,
3633 .indication
= rndis_wlan_indication
,
3636 /*-------------------------------------------------------------------------*/
3638 static const struct usb_device_id products
[] = {
3639 #define RNDIS_MASTER_INTERFACE \
3640 .bInterfaceClass = USB_CLASS_COMM, \
3641 .bInterfaceSubClass = 2 /* ACM */, \
3642 .bInterfaceProtocol = 0x0ff
3644 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3645 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3648 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3649 | USB_DEVICE_ID_MATCH_DEVICE
,
3651 .idProduct
= 0x00bc, /* Buffalo WLI-U2-KG125S */
3652 RNDIS_MASTER_INTERFACE
,
3653 .driver_info
= (unsigned long) &bcm4320b_info
,
3655 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3656 | USB_DEVICE_ID_MATCH_DEVICE
,
3658 .idProduct
= 0x011b, /* U.S. Robotics USR5421 */
3659 RNDIS_MASTER_INTERFACE
,
3660 .driver_info
= (unsigned long) &bcm4320b_info
,
3662 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3663 | USB_DEVICE_ID_MATCH_DEVICE
,
3665 .idProduct
= 0x011b, /* Belkin F5D7051 */
3666 RNDIS_MASTER_INTERFACE
,
3667 .driver_info
= (unsigned long) &bcm4320b_info
,
3669 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3670 | USB_DEVICE_ID_MATCH_DEVICE
,
3671 .idVendor
= 0x1799, /* Belkin has two vendor ids */
3672 .idProduct
= 0x011b, /* Belkin F5D7051 */
3673 RNDIS_MASTER_INTERFACE
,
3674 .driver_info
= (unsigned long) &bcm4320b_info
,
3676 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3677 | USB_DEVICE_ID_MATCH_DEVICE
,
3679 .idProduct
= 0x0014, /* Linksys WUSB54GSv2 */
3680 RNDIS_MASTER_INTERFACE
,
3681 .driver_info
= (unsigned long) &bcm4320b_info
,
3683 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3684 | USB_DEVICE_ID_MATCH_DEVICE
,
3686 .idProduct
= 0x0026, /* Linksys WUSB54GSC */
3687 RNDIS_MASTER_INTERFACE
,
3688 .driver_info
= (unsigned long) &bcm4320b_info
,
3690 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3691 | USB_DEVICE_ID_MATCH_DEVICE
,
3693 .idProduct
= 0x1717, /* Asus WL169gE */
3694 RNDIS_MASTER_INTERFACE
,
3695 .driver_info
= (unsigned long) &bcm4320b_info
,
3697 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3698 | USB_DEVICE_ID_MATCH_DEVICE
,
3700 .idProduct
= 0xd11b, /* Eminent EM4045 */
3701 RNDIS_MASTER_INTERFACE
,
3702 .driver_info
= (unsigned long) &bcm4320b_info
,
3704 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3705 | USB_DEVICE_ID_MATCH_DEVICE
,
3707 .idProduct
= 0x0715, /* BT Voyager 1055 */
3708 RNDIS_MASTER_INTERFACE
,
3709 .driver_info
= (unsigned long) &bcm4320b_info
,
3711 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3712 * parameters available, hardware probably contain older firmware version with
3713 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3716 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3717 | USB_DEVICE_ID_MATCH_DEVICE
,
3719 .idProduct
= 0x000e, /* Linksys WUSB54GSv1 */
3720 RNDIS_MASTER_INTERFACE
,
3721 .driver_info
= (unsigned long) &bcm4320a_info
,
3723 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3724 | USB_DEVICE_ID_MATCH_DEVICE
,
3726 .idProduct
= 0x0111, /* U.S. Robotics USR5420 */
3727 RNDIS_MASTER_INTERFACE
,
3728 .driver_info
= (unsigned long) &bcm4320a_info
,
3730 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3731 | USB_DEVICE_ID_MATCH_DEVICE
,
3733 .idProduct
= 0x004b, /* BUFFALO WLI-USB-G54 */
3734 RNDIS_MASTER_INTERFACE
,
3735 .driver_info
= (unsigned long) &bcm4320a_info
,
3737 /* Generic Wireless RNDIS devices that we don't have exact
3738 * idVendor/idProduct/chip yet.
3741 /* RNDIS is MSFT's un-official variant of CDC ACM */
3742 USB_INTERFACE_INFO(USB_CLASS_COMM
, 2 /* ACM */, 0x0ff),
3743 .driver_info
= (unsigned long) &rndis_wlan_info
,
3745 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3746 USB_INTERFACE_INFO(USB_CLASS_MISC
, 1, 1),
3747 .driver_info
= (unsigned long) &rndis_wlan_info
,
3751 MODULE_DEVICE_TABLE(usb
, products
);
3753 static struct usb_driver rndis_wlan_driver
= {
3754 .name
= "rndis_wlan",
3755 .id_table
= products
,
3756 .probe
= usbnet_probe
,
3757 .disconnect
= usbnet_disconnect
,
3758 .suspend
= usbnet_suspend
,
3759 .resume
= usbnet_resume
,
3760 .disable_hub_initiated_lpm
= 1,
3763 module_usb_driver(rndis_wlan_driver
);
3765 MODULE_AUTHOR("Bjorge Dijkstra");
3766 MODULE_AUTHOR("Jussi Kivilinna");
3767 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3768 MODULE_LICENSE("GPL");