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 enum nl80211_tx_power_setting type
,
495 static int rndis_get_tx_power(struct wiphy
*wiphy
, int *dbm
);
497 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
498 struct cfg80211_connect_params
*sme
);
500 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
503 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
504 struct cfg80211_ibss_params
*params
);
506 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
);
508 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
509 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
510 struct key_params
*params
);
512 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
513 u8 key_index
, bool pairwise
, const u8
*mac_addr
);
515 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
516 u8 key_index
, bool unicast
, bool multicast
);
518 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
519 u8
*mac
, struct station_info
*sinfo
);
521 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
522 int idx
, u8
*mac
, struct station_info
*sinfo
);
524 static int rndis_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
525 struct cfg80211_pmksa
*pmksa
);
527 static int rndis_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
528 struct cfg80211_pmksa
*pmksa
);
530 static int rndis_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
);
532 static int rndis_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
533 bool enabled
, int timeout
);
535 static int rndis_set_cqm_rssi_config(struct wiphy
*wiphy
,
536 struct net_device
*dev
,
537 s32 rssi_thold
, u32 rssi_hyst
);
539 static const struct cfg80211_ops rndis_config_ops
= {
540 .change_virtual_intf
= rndis_change_virtual_intf
,
542 .set_wiphy_params
= rndis_set_wiphy_params
,
543 .set_tx_power
= rndis_set_tx_power
,
544 .get_tx_power
= rndis_get_tx_power
,
545 .connect
= rndis_connect
,
546 .disconnect
= rndis_disconnect
,
547 .join_ibss
= rndis_join_ibss
,
548 .leave_ibss
= rndis_leave_ibss
,
549 .add_key
= rndis_add_key
,
550 .del_key
= rndis_del_key
,
551 .set_default_key
= rndis_set_default_key
,
552 .get_station
= rndis_get_station
,
553 .dump_station
= rndis_dump_station
,
554 .set_pmksa
= rndis_set_pmksa
,
555 .del_pmksa
= rndis_del_pmksa
,
556 .flush_pmksa
= rndis_flush_pmksa
,
557 .set_power_mgmt
= rndis_set_power_mgmt
,
558 .set_cqm_rssi_config
= rndis_set_cqm_rssi_config
,
561 static void *rndis_wiphy_privid
= &rndis_wiphy_privid
;
564 static struct rndis_wlan_private
*get_rndis_wlan_priv(struct usbnet
*dev
)
566 return (struct rndis_wlan_private
*)dev
->driver_priv
;
569 static u32
get_bcm4320_power_dbm(struct rndis_wlan_private
*priv
)
571 switch (priv
->param_power_output
) {
574 return BCM4320_DEFAULT_TXPOWER_DBM_100
;
576 return BCM4320_DEFAULT_TXPOWER_DBM_75
;
578 return BCM4320_DEFAULT_TXPOWER_DBM_50
;
580 return BCM4320_DEFAULT_TXPOWER_DBM_25
;
584 static bool is_wpa_key(struct rndis_wlan_private
*priv
, u8 idx
)
586 int cipher
= priv
->encr_keys
[idx
].cipher
;
588 return (cipher
== WLAN_CIPHER_SUITE_CCMP
||
589 cipher
== WLAN_CIPHER_SUITE_TKIP
);
592 static int rndis_cipher_to_alg(u32 cipher
)
596 return RNDIS_WLAN_ALG_NONE
;
597 case WLAN_CIPHER_SUITE_WEP40
:
598 case WLAN_CIPHER_SUITE_WEP104
:
599 return RNDIS_WLAN_ALG_WEP
;
600 case WLAN_CIPHER_SUITE_TKIP
:
601 return RNDIS_WLAN_ALG_TKIP
;
602 case WLAN_CIPHER_SUITE_CCMP
:
603 return RNDIS_WLAN_ALG_CCMP
;
607 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite
)
611 return RNDIS_WLAN_KEY_MGMT_NONE
;
612 case WLAN_AKM_SUITE_8021X
:
613 return RNDIS_WLAN_KEY_MGMT_802_1X
;
614 case WLAN_AKM_SUITE_PSK
:
615 return RNDIS_WLAN_KEY_MGMT_PSK
;
620 static const char *oid_to_string(u32 oid
)
623 #define OID_STR(oid) case oid: return(#oid)
624 /* from rndis_host.h */
625 OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS
);
626 OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE
);
627 OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER
);
628 OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM
);
630 /* from rndis_wlan.c */
631 OID_STR(RNDIS_OID_GEN_LINK_SPEED
);
632 OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER
);
634 OID_STR(RNDIS_OID_GEN_XMIT_OK
);
635 OID_STR(RNDIS_OID_GEN_RCV_OK
);
636 OID_STR(RNDIS_OID_GEN_XMIT_ERROR
);
637 OID_STR(RNDIS_OID_GEN_RCV_ERROR
);
638 OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER
);
640 OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS
);
641 OID_STR(RNDIS_OID_802_3_MULTICAST_LIST
);
642 OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE
);
644 OID_STR(RNDIS_OID_802_11_BSSID
);
645 OID_STR(RNDIS_OID_802_11_SSID
);
646 OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE
);
647 OID_STR(RNDIS_OID_802_11_ADD_WEP
);
648 OID_STR(RNDIS_OID_802_11_REMOVE_WEP
);
649 OID_STR(RNDIS_OID_802_11_DISASSOCIATE
);
650 OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE
);
651 OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER
);
652 OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN
);
653 OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS
);
654 OID_STR(RNDIS_OID_802_11_ADD_KEY
);
655 OID_STR(RNDIS_OID_802_11_REMOVE_KEY
);
656 OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION
);
657 OID_STR(RNDIS_OID_802_11_CAPABILITY
);
658 OID_STR(RNDIS_OID_802_11_PMKID
);
659 OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED
);
660 OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE
);
661 OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL
);
662 OID_STR(RNDIS_OID_802_11_RSSI
);
663 OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER
);
664 OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD
);
665 OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD
);
666 OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES
);
667 OID_STR(RNDIS_OID_802_11_CONFIGURATION
);
668 OID_STR(RNDIS_OID_802_11_POWER_MODE
);
669 OID_STR(RNDIS_OID_802_11_BSSID_LIST
);
676 static const char *oid_to_string(u32 oid
)
682 /* translate error code */
683 static int rndis_error_status(__le32 rndis_status
)
686 switch (le32_to_cpu(rndis_status
)) {
687 case RNDIS_STATUS_SUCCESS
:
690 case RNDIS_STATUS_FAILURE
:
691 case RNDIS_STATUS_INVALID_DATA
:
694 case RNDIS_STATUS_NOT_SUPPORTED
:
697 case RNDIS_STATUS_ADAPTER_NOT_READY
:
698 case RNDIS_STATUS_ADAPTER_NOT_OPEN
:
705 static int rndis_query_oid(struct usbnet
*dev
, u32 oid
, void *data
, int *len
)
707 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
710 struct rndis_msg_hdr
*header
;
711 struct rndis_query
*get
;
712 struct rndis_query_c
*get_c
;
715 int resplen
, respoffs
, copylen
;
717 buflen
= *len
+ sizeof(*u
.get
);
718 if (buflen
< CONTROL_BUFFER_SIZE
)
719 buflen
= CONTROL_BUFFER_SIZE
;
721 if (buflen
> COMMAND_BUFFER_SIZE
) {
722 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
726 u
.buf
= priv
->command_buffer
;
729 mutex_lock(&priv
->command_lock
);
731 memset(u
.get
, 0, sizeof *u
.get
);
732 u
.get
->msg_type
= cpu_to_le32(RNDIS_MSG_QUERY
);
733 u
.get
->msg_len
= cpu_to_le32(sizeof *u
.get
);
734 u
.get
->oid
= cpu_to_le32(oid
);
736 priv
->current_command_oid
= oid
;
737 ret
= rndis_command(dev
, u
.header
, buflen
);
738 priv
->current_command_oid
= 0;
740 netdev_dbg(dev
->net
, "%s(%s): rndis_command() failed, %d (%08x)\n",
741 __func__
, oid_to_string(oid
), ret
,
742 le32_to_cpu(u
.get_c
->status
));
745 resplen
= le32_to_cpu(u
.get_c
->len
);
746 respoffs
= le32_to_cpu(u
.get_c
->offset
) + 8;
748 if (respoffs
> buflen
) {
749 /* Device returned data offset outside buffer, error. */
750 netdev_dbg(dev
->net
, "%s(%s): received invalid "
751 "data offset: %d > %d\n", __func__
,
752 oid_to_string(oid
), respoffs
, buflen
);
758 if ((resplen
+ respoffs
) > buflen
) {
759 /* Device would have returned more data if buffer would
760 * have been big enough. Copy just the bits that we got.
762 copylen
= buflen
- respoffs
;
770 memcpy(data
, u
.buf
+ respoffs
, copylen
);
774 ret
= rndis_error_status(u
.get_c
->status
);
776 netdev_dbg(dev
->net
, "%s(%s): device returned error, 0x%08x (%d)\n",
777 __func__
, oid_to_string(oid
),
778 le32_to_cpu(u
.get_c
->status
), ret
);
782 mutex_unlock(&priv
->command_lock
);
784 if (u
.buf
!= priv
->command_buffer
)
789 static int rndis_set_oid(struct usbnet
*dev
, u32 oid
, const void *data
,
792 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(dev
);
795 struct rndis_msg_hdr
*header
;
796 struct rndis_set
*set
;
797 struct rndis_set_c
*set_c
;
801 buflen
= len
+ sizeof(*u
.set
);
802 if (buflen
< CONTROL_BUFFER_SIZE
)
803 buflen
= CONTROL_BUFFER_SIZE
;
805 if (buflen
> COMMAND_BUFFER_SIZE
) {
806 u
.buf
= kmalloc(buflen
, GFP_KERNEL
);
810 u
.buf
= priv
->command_buffer
;
813 mutex_lock(&priv
->command_lock
);
815 memset(u
.set
, 0, sizeof *u
.set
);
816 u
.set
->msg_type
= cpu_to_le32(RNDIS_MSG_SET
);
817 u
.set
->msg_len
= cpu_to_le32(sizeof(*u
.set
) + len
);
818 u
.set
->oid
= cpu_to_le32(oid
);
819 u
.set
->len
= cpu_to_le32(len
);
820 u
.set
->offset
= cpu_to_le32(sizeof(*u
.set
) - 8);
821 u
.set
->handle
= cpu_to_le32(0);
822 memcpy(u
.buf
+ sizeof(*u
.set
), data
, len
);
824 priv
->current_command_oid
= oid
;
825 ret
= rndis_command(dev
, u
.header
, buflen
);
826 priv
->current_command_oid
= 0;
828 netdev_dbg(dev
->net
, "%s(%s): rndis_command() failed, %d (%08x)\n",
829 __func__
, oid_to_string(oid
), ret
,
830 le32_to_cpu(u
.set_c
->status
));
833 ret
= rndis_error_status(u
.set_c
->status
);
836 netdev_dbg(dev
->net
, "%s(%s): device returned error, 0x%08x (%d)\n",
837 __func__
, oid_to_string(oid
),
838 le32_to_cpu(u
.set_c
->status
), ret
);
841 mutex_unlock(&priv
->command_lock
);
843 if (u
.buf
!= priv
->command_buffer
)
848 static int rndis_reset(struct usbnet
*usbdev
)
850 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
851 struct rndis_reset
*reset
;
854 mutex_lock(&priv
->command_lock
);
856 reset
= (void *)priv
->command_buffer
;
857 memset(reset
, 0, sizeof(*reset
));
858 reset
->msg_type
= cpu_to_le32(RNDIS_MSG_RESET
);
859 reset
->msg_len
= cpu_to_le32(sizeof(*reset
));
860 priv
->current_command_oid
= 0;
861 ret
= rndis_command(usbdev
, (void *)reset
, CONTROL_BUFFER_SIZE
);
863 mutex_unlock(&priv
->command_lock
);
871 * Specs say that we can only set config parameters only soon after device
873 * value_type: 0 = u32, 2 = unicode string
875 static int rndis_set_config_parameter(struct usbnet
*dev
, char *param
,
876 int value_type
, void *value
)
878 struct ndis_config_param
*infobuf
;
879 int value_len
, info_len
, param_len
, ret
, i
;
884 value_len
= sizeof(__le32
);
885 else if (value_type
== 2)
886 value_len
= strlen(value
) * sizeof(__le16
);
890 param_len
= strlen(param
) * sizeof(__le16
);
891 info_len
= sizeof(*infobuf
) + param_len
+ value_len
;
896 infobuf
= kmalloc(info_len
, GFP_KERNEL
);
902 /* extra 12 bytes are for padding (debug output) */
903 memset(infobuf
, 0xCC, info_len
+ 12);
907 netdev_dbg(dev
->net
, "setting config parameter: %s, value: %s\n",
910 netdev_dbg(dev
->net
, "setting config parameter: %s, value: %d\n",
911 param
, *(u32
*)value
);
913 infobuf
->name_offs
= cpu_to_le32(sizeof(*infobuf
));
914 infobuf
->name_length
= cpu_to_le32(param_len
);
915 infobuf
->type
= cpu_to_le32(value_type
);
916 infobuf
->value_offs
= cpu_to_le32(sizeof(*infobuf
) + param_len
);
917 infobuf
->value_length
= cpu_to_le32(value_len
);
919 /* simple string to unicode string conversion */
920 unibuf
= (void *)infobuf
+ sizeof(*infobuf
);
921 for (i
= 0; i
< param_len
/ sizeof(__le16
); i
++)
922 unibuf
[i
] = cpu_to_le16(param
[i
]);
924 if (value_type
== 2) {
925 unibuf
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
926 for (i
= 0; i
< value_len
/ sizeof(__le16
); i
++)
927 unibuf
[i
] = cpu_to_le16(((u8
*)value
)[i
]);
929 dst_value
= (void *)infobuf
+ sizeof(*infobuf
) + param_len
;
930 *dst_value
= cpu_to_le32(*(u32
*)value
);
934 netdev_dbg(dev
->net
, "info buffer (len: %d)\n", info_len
);
935 for (i
= 0; i
< info_len
; i
+= 12) {
936 u32
*tmp
= (u32
*)((u8
*)infobuf
+ i
);
937 netdev_dbg(dev
->net
, "%08X:%08X:%08X\n",
940 cpu_to_be32(tmp
[2]));
944 ret
= rndis_set_oid(dev
, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER
,
947 netdev_dbg(dev
->net
, "setting rndis config parameter failed, %d\n",
954 static int rndis_set_config_parameter_str(struct usbnet
*dev
,
955 char *param
, char *value
)
957 return rndis_set_config_parameter(dev
, param
, 2, value
);
961 * data conversion functions
963 static int level_to_qual(int level
)
965 int qual
= 100 * (level
- WL_NOISE
) / (WL_SIGMAX
- WL_NOISE
);
966 return qual
>= 0 ? (qual
<= 100 ? qual
: 100) : 0;
972 static int set_infra_mode(struct usbnet
*usbdev
, int mode
);
973 static void restore_keys(struct usbnet
*usbdev
);
974 static int rndis_check_bssid_list(struct usbnet
*usbdev
, u8
*match_bssid
,
977 static int rndis_start_bssid_list_scan(struct usbnet
*usbdev
)
981 /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
982 tmp
= cpu_to_le32(1);
983 return rndis_set_oid(usbdev
, RNDIS_OID_802_11_BSSID_LIST_SCAN
, &tmp
,
987 static int set_essid(struct usbnet
*usbdev
, struct ndis_80211_ssid
*ssid
)
989 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
992 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_SSID
,
993 ssid
, sizeof(*ssid
));
995 netdev_warn(usbdev
->net
, "setting SSID failed (%08X)\n", ret
);
999 priv
->radio_on
= true;
1000 netdev_dbg(usbdev
->net
, "%s(): radio_on = true\n", __func__
);
1006 static int set_bssid(struct usbnet
*usbdev
, const u8
*bssid
)
1010 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_BSSID
,
1013 netdev_warn(usbdev
->net
, "setting BSSID[%pM] failed (%08X)\n",
1021 static int clear_bssid(struct usbnet
*usbdev
)
1023 static const u8 broadcast_mac
[ETH_ALEN
] = {
1024 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1027 return set_bssid(usbdev
, broadcast_mac
);
1030 static int get_bssid(struct usbnet
*usbdev
, u8 bssid
[ETH_ALEN
])
1035 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_BSSID
,
1039 memset(bssid
, 0, ETH_ALEN
);
1044 static int get_association_info(struct usbnet
*usbdev
,
1045 struct ndis_80211_assoc_info
*info
, int len
)
1047 return rndis_query_oid(usbdev
,
1048 RNDIS_OID_802_11_ASSOCIATION_INFORMATION
,
1052 static bool is_associated(struct usbnet
*usbdev
)
1054 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1058 if (!priv
->radio_on
)
1061 ret
= get_bssid(usbdev
, bssid
);
1063 return (ret
== 0 && !is_zero_ether_addr(bssid
));
1066 static int disassociate(struct usbnet
*usbdev
, bool reset_ssid
)
1068 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1069 struct ndis_80211_ssid ssid
;
1072 if (priv
->radio_on
) {
1073 ret
= rndis_set_oid(usbdev
,
1074 RNDIS_OID_802_11_DISASSOCIATE
,
1077 priv
->radio_on
= false;
1078 netdev_dbg(usbdev
->net
, "%s(): radio_on = false\n",
1086 /* disassociate causes radio to be turned off; if reset_ssid
1087 * is given, set random ssid to enable radio */
1089 /* Set device to infrastructure mode so we don't get ad-hoc
1090 * 'media connect' indications with the random ssid.
1092 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1094 ssid
.length
= cpu_to_le32(sizeof(ssid
.essid
));
1095 get_random_bytes(&ssid
.essid
[2], sizeof(ssid
.essid
)-2);
1096 ssid
.essid
[0] = 0x1;
1097 ssid
.essid
[1] = 0xff;
1098 for (i
= 2; i
< sizeof(ssid
.essid
); i
++)
1099 ssid
.essid
[i
] = 0x1 + (ssid
.essid
[i
] * 0xfe / 0xff);
1100 ret
= set_essid(usbdev
, &ssid
);
1105 static int set_auth_mode(struct usbnet
*usbdev
, u32 wpa_version
,
1106 enum nl80211_auth_type auth_type
, int keymgmt
)
1108 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1112 netdev_dbg(usbdev
->net
, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1113 __func__
, wpa_version
, auth_type
, keymgmt
);
1115 if (wpa_version
& NL80211_WPA_VERSION_2
) {
1116 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1117 auth_mode
= NDIS_80211_AUTH_WPA2
;
1119 auth_mode
= NDIS_80211_AUTH_WPA2_PSK
;
1120 } else if (wpa_version
& NL80211_WPA_VERSION_1
) {
1121 if (keymgmt
& RNDIS_WLAN_KEY_MGMT_802_1X
)
1122 auth_mode
= NDIS_80211_AUTH_WPA
;
1123 else if (keymgmt
& RNDIS_WLAN_KEY_MGMT_PSK
)
1124 auth_mode
= NDIS_80211_AUTH_WPA_PSK
;
1126 auth_mode
= NDIS_80211_AUTH_WPA_NONE
;
1127 } else if (auth_type
== NL80211_AUTHTYPE_SHARED_KEY
)
1128 auth_mode
= NDIS_80211_AUTH_SHARED
;
1129 else if (auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
)
1130 auth_mode
= NDIS_80211_AUTH_OPEN
;
1131 else if (auth_type
== NL80211_AUTHTYPE_AUTOMATIC
)
1132 auth_mode
= NDIS_80211_AUTH_AUTO_SWITCH
;
1136 tmp
= cpu_to_le32(auth_mode
);
1137 ret
= rndis_set_oid(usbdev
,
1138 RNDIS_OID_802_11_AUTHENTICATION_MODE
,
1141 netdev_warn(usbdev
->net
, "setting auth mode failed (%08X)\n",
1146 priv
->wpa_version
= wpa_version
;
1151 static int set_priv_filter(struct usbnet
*usbdev
)
1153 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1156 netdev_dbg(usbdev
->net
, "%s(): wpa_version=0x%x\n",
1157 __func__
, priv
->wpa_version
);
1159 if (priv
->wpa_version
& NL80211_WPA_VERSION_2
||
1160 priv
->wpa_version
& NL80211_WPA_VERSION_1
)
1161 tmp
= cpu_to_le32(NDIS_80211_PRIV_8021X_WEP
);
1163 tmp
= cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL
);
1165 return rndis_set_oid(usbdev
,
1166 RNDIS_OID_802_11_PRIVACY_FILTER
, &tmp
,
1170 static int set_encr_mode(struct usbnet
*usbdev
, int pairwise
, int groupwise
)
1175 netdev_dbg(usbdev
->net
, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1176 __func__
, pairwise
, groupwise
);
1178 if (pairwise
& RNDIS_WLAN_ALG_CCMP
)
1179 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1180 else if (pairwise
& RNDIS_WLAN_ALG_TKIP
)
1181 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1182 else if (pairwise
& RNDIS_WLAN_ALG_WEP
)
1183 encr_mode
= NDIS_80211_ENCR_WEP_ENABLED
;
1184 else if (groupwise
& RNDIS_WLAN_ALG_CCMP
)
1185 encr_mode
= NDIS_80211_ENCR_CCMP_ENABLED
;
1186 else if (groupwise
& RNDIS_WLAN_ALG_TKIP
)
1187 encr_mode
= NDIS_80211_ENCR_TKIP_ENABLED
;
1189 encr_mode
= NDIS_80211_ENCR_DISABLED
;
1191 tmp
= cpu_to_le32(encr_mode
);
1192 ret
= rndis_set_oid(usbdev
,
1193 RNDIS_OID_802_11_ENCRYPTION_STATUS
, &tmp
,
1196 netdev_warn(usbdev
->net
, "setting encr mode failed (%08X)\n",
1204 static int set_infra_mode(struct usbnet
*usbdev
, int mode
)
1206 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1210 netdev_dbg(usbdev
->net
, "%s(): infra_mode=0x%x\n",
1211 __func__
, priv
->infra_mode
);
1213 tmp
= cpu_to_le32(mode
);
1214 ret
= rndis_set_oid(usbdev
,
1215 RNDIS_OID_802_11_INFRASTRUCTURE_MODE
,
1218 netdev_warn(usbdev
->net
, "setting infra mode failed (%08X)\n",
1223 /* NDIS drivers clear keys when infrastructure mode is
1224 * changed. But Linux tools assume otherwise. So set the
1226 restore_keys(usbdev
);
1228 priv
->infra_mode
= mode
;
1232 static int set_rts_threshold(struct usbnet
*usbdev
, u32 rts_threshold
)
1236 netdev_dbg(usbdev
->net
, "%s(): %i\n", __func__
, rts_threshold
);
1238 if (rts_threshold
< 0 || rts_threshold
> 2347)
1239 rts_threshold
= 2347;
1241 tmp
= cpu_to_le32(rts_threshold
);
1242 return rndis_set_oid(usbdev
,
1243 RNDIS_OID_802_11_RTS_THRESHOLD
,
1247 static int set_frag_threshold(struct usbnet
*usbdev
, u32 frag_threshold
)
1251 netdev_dbg(usbdev
->net
, "%s(): %i\n", __func__
, frag_threshold
);
1253 if (frag_threshold
< 256 || frag_threshold
> 2346)
1254 frag_threshold
= 2346;
1256 tmp
= cpu_to_le32(frag_threshold
);
1257 return rndis_set_oid(usbdev
,
1258 RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD
,
1262 static void set_default_iw_params(struct usbnet
*usbdev
)
1264 set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
1265 set_auth_mode(usbdev
, 0, NL80211_AUTHTYPE_OPEN_SYSTEM
,
1266 RNDIS_WLAN_KEY_MGMT_NONE
);
1267 set_priv_filter(usbdev
);
1268 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1271 static int deauthenticate(struct usbnet
*usbdev
)
1275 ret
= disassociate(usbdev
, true);
1276 set_default_iw_params(usbdev
);
1280 static int set_channel(struct usbnet
*usbdev
, int channel
)
1282 struct ndis_80211_conf config
;
1283 unsigned int dsconfig
;
1286 netdev_dbg(usbdev
->net
, "%s(%d)\n", __func__
, channel
);
1288 /* this OID is valid only when not associated */
1289 if (is_associated(usbdev
))
1292 dsconfig
= ieee80211_dsss_chan_to_freq(channel
) * 1000;
1294 len
= sizeof(config
);
1295 ret
= rndis_query_oid(usbdev
,
1296 RNDIS_OID_802_11_CONFIGURATION
,
1299 netdev_dbg(usbdev
->net
, "%s(): querying configuration failed\n",
1304 config
.ds_config
= cpu_to_le32(dsconfig
);
1305 ret
= rndis_set_oid(usbdev
,
1306 RNDIS_OID_802_11_CONFIGURATION
,
1307 &config
, sizeof(config
));
1309 netdev_dbg(usbdev
->net
, "%s(): %d -> %d\n", __func__
, channel
, ret
);
1314 static struct ieee80211_channel
*get_current_channel(struct usbnet
*usbdev
,
1317 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1318 struct ieee80211_channel
*channel
;
1319 struct ndis_80211_conf config
;
1322 /* Get channel and beacon interval */
1323 len
= sizeof(config
);
1324 ret
= rndis_query_oid(usbdev
,
1325 RNDIS_OID_802_11_CONFIGURATION
,
1327 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
1332 channel
= ieee80211_get_channel(priv
->wdev
.wiphy
,
1333 KHZ_TO_MHZ(le32_to_cpu(config
.ds_config
)));
1338 *beacon_period
= le32_to_cpu(config
.beacon_period
);
1342 /* index must be 0 - N, as per NDIS */
1343 static int add_wep_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1346 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1347 struct ndis_80211_wep_key ndis_key
;
1351 netdev_dbg(usbdev
->net
, "%s(idx: %d, len: %d)\n",
1352 __func__
, index
, key_len
);
1354 if (index
>= RNDIS_WLAN_NUM_KEYS
)
1358 cipher
= WLAN_CIPHER_SUITE_WEP40
;
1359 else if (key_len
== 13)
1360 cipher
= WLAN_CIPHER_SUITE_WEP104
;
1364 memset(&ndis_key
, 0, sizeof(ndis_key
));
1366 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
));
1367 ndis_key
.length
= cpu_to_le32(key_len
);
1368 ndis_key
.index
= cpu_to_le32(index
);
1369 memcpy(&ndis_key
.material
, key
, key_len
);
1371 if (index
== priv
->encr_tx_key_index
) {
1372 ndis_key
.index
|= NDIS_80211_ADDWEP_TRANSMIT_KEY
;
1373 ret
= set_encr_mode(usbdev
, RNDIS_WLAN_ALG_WEP
,
1374 RNDIS_WLAN_ALG_NONE
);
1376 netdev_warn(usbdev
->net
, "encryption couldn't be enabled (%08X)\n",
1380 ret
= rndis_set_oid(usbdev
,
1381 RNDIS_OID_802_11_ADD_WEP
, &ndis_key
,
1384 netdev_warn(usbdev
->net
, "adding encryption key %d failed (%08X)\n",
1389 priv
->encr_keys
[index
].len
= key_len
;
1390 priv
->encr_keys
[index
].cipher
= cipher
;
1391 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1392 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1397 static int add_wpa_key(struct usbnet
*usbdev
, const u8
*key
, int key_len
,
1398 u8 index
, const u8
*addr
, const u8
*rx_seq
,
1399 int seq_len
, u32 cipher
, __le32 flags
)
1401 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1402 struct ndis_80211_key ndis_key
;
1406 if (index
>= RNDIS_WLAN_NUM_KEYS
) {
1407 netdev_dbg(usbdev
->net
, "%s(): index out of range (%i)\n",
1411 if (key_len
> sizeof(ndis_key
.material
) || key_len
< 0) {
1412 netdev_dbg(usbdev
->net
, "%s(): key length out of range (%i)\n",
1416 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
) {
1417 if (!rx_seq
|| seq_len
<= 0) {
1418 netdev_dbg(usbdev
->net
, "%s(): recv seq flag without buffer\n",
1422 if (rx_seq
&& seq_len
> sizeof(ndis_key
.rsc
)) {
1423 netdev_dbg(usbdev
->net
, "%s(): too big recv seq buffer\n", __func__
);
1428 is_addr_ok
= addr
&& !is_zero_ether_addr(addr
) &&
1429 !is_broadcast_ether_addr(addr
);
1430 if ((flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) && !is_addr_ok
) {
1431 netdev_dbg(usbdev
->net
, "%s(): pairwise but bssid invalid (%pM)\n",
1436 netdev_dbg(usbdev
->net
, "%s(%i): flags:%i%i%i\n",
1438 !!(flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
),
1439 !!(flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
),
1440 !!(flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
));
1442 memset(&ndis_key
, 0, sizeof(ndis_key
));
1444 ndis_key
.size
= cpu_to_le32(sizeof(ndis_key
) -
1445 sizeof(ndis_key
.material
) + key_len
);
1446 ndis_key
.length
= cpu_to_le32(key_len
);
1447 ndis_key
.index
= cpu_to_le32(index
) | flags
;
1449 if (cipher
== WLAN_CIPHER_SUITE_TKIP
&& key_len
== 32) {
1450 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1451 * different order than NDIS spec, so swap the order here. */
1452 memcpy(ndis_key
.material
, key
, 16);
1453 memcpy(ndis_key
.material
+ 16, key
+ 24, 8);
1454 memcpy(ndis_key
.material
+ 24, key
+ 16, 8);
1456 memcpy(ndis_key
.material
, key
, key_len
);
1458 if (flags
& NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
)
1459 memcpy(ndis_key
.rsc
, rx_seq
, seq_len
);
1461 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
) {
1463 memcpy(ndis_key
.bssid
, addr
, ETH_ALEN
);
1466 if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
1467 memset(ndis_key
.bssid
, 0xff, ETH_ALEN
);
1469 get_bssid(usbdev
, ndis_key
.bssid
);
1472 ret
= rndis_set_oid(usbdev
,
1473 RNDIS_OID_802_11_ADD_KEY
, &ndis_key
,
1474 le32_to_cpu(ndis_key
.size
));
1475 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
1480 memset(&priv
->encr_keys
[index
], 0, sizeof(priv
->encr_keys
[index
]));
1481 priv
->encr_keys
[index
].len
= key_len
;
1482 priv
->encr_keys
[index
].cipher
= cipher
;
1483 memcpy(&priv
->encr_keys
[index
].material
, key
, key_len
);
1484 if (flags
& NDIS_80211_ADDKEY_PAIRWISE_KEY
)
1485 memcpy(&priv
->encr_keys
[index
].bssid
, ndis_key
.bssid
, ETH_ALEN
);
1487 memset(&priv
->encr_keys
[index
].bssid
, 0xff, ETH_ALEN
);
1489 if (flags
& NDIS_80211_ADDKEY_TRANSMIT_KEY
)
1490 priv
->encr_tx_key_index
= index
;
1495 static int restore_key(struct usbnet
*usbdev
, u8 key_idx
)
1497 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1498 struct rndis_wlan_encr_key key
;
1500 if (is_wpa_key(priv
, key_idx
))
1503 key
= priv
->encr_keys
[key_idx
];
1505 netdev_dbg(usbdev
->net
, "%s(): %i:%i\n", __func__
, key_idx
, key
.len
);
1510 return add_wep_key(usbdev
, key
.material
, key
.len
, key_idx
);
1513 static void restore_keys(struct usbnet
*usbdev
)
1517 for (i
= 0; i
< 4; i
++)
1518 restore_key(usbdev
, i
);
1521 static void clear_key(struct rndis_wlan_private
*priv
, u8 idx
)
1523 memset(&priv
->encr_keys
[idx
], 0, sizeof(priv
->encr_keys
[idx
]));
1526 /* remove_key is for both wep and wpa */
1527 static int remove_key(struct usbnet
*usbdev
, u8 index
, const u8
*bssid
)
1529 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1530 struct ndis_80211_remove_key remove_key
;
1535 if (index
>= RNDIS_WLAN_NUM_KEYS
)
1538 if (priv
->encr_keys
[index
].len
== 0)
1541 is_wpa
= is_wpa_key(priv
, index
);
1543 netdev_dbg(usbdev
->net
, "%s(): %i:%s:%i\n",
1544 __func__
, index
, is_wpa
? "wpa" : "wep",
1545 priv
->encr_keys
[index
].len
);
1547 clear_key(priv
, index
);
1550 remove_key
.size
= cpu_to_le32(sizeof(remove_key
));
1551 remove_key
.index
= cpu_to_le32(index
);
1554 if (!is_broadcast_ether_addr(bssid
))
1556 NDIS_80211_ADDKEY_PAIRWISE_KEY
;
1557 memcpy(remove_key
.bssid
, bssid
,
1558 sizeof(remove_key
.bssid
));
1560 memset(remove_key
.bssid
, 0xff,
1561 sizeof(remove_key
.bssid
));
1563 ret
= rndis_set_oid(usbdev
,
1564 RNDIS_OID_802_11_REMOVE_KEY
,
1565 &remove_key
, sizeof(remove_key
));
1569 keyindex
= cpu_to_le32(index
);
1570 ret
= rndis_set_oid(usbdev
,
1571 RNDIS_OID_802_11_REMOVE_WEP
,
1572 &keyindex
, sizeof(keyindex
));
1574 netdev_warn(usbdev
->net
,
1575 "removing encryption key %d failed (%08X)\n",
1581 /* if it is transmit key, disable encryption */
1582 if (index
== priv
->encr_tx_key_index
)
1583 set_encr_mode(usbdev
, RNDIS_WLAN_ALG_NONE
, RNDIS_WLAN_ALG_NONE
);
1588 static void set_multicast_list(struct usbnet
*usbdev
)
1590 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1591 struct netdev_hw_addr
*ha
;
1592 __le32 filter
, basefilter
;
1594 char *mc_addrs
= NULL
;
1597 basefilter
= filter
= cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED
|
1598 RNDIS_PACKET_TYPE_BROADCAST
);
1600 if (usbdev
->net
->flags
& IFF_PROMISC
) {
1601 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS
|
1602 RNDIS_PACKET_TYPE_ALL_LOCAL
);
1603 } else if (usbdev
->net
->flags
& IFF_ALLMULTI
) {
1604 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1607 if (filter
!= basefilter
)
1611 * mc_list should be accessed holding the lock, so copy addresses to
1612 * local buffer first.
1614 netif_addr_lock_bh(usbdev
->net
);
1615 mc_count
= netdev_mc_count(usbdev
->net
);
1616 if (mc_count
> priv
->multicast_size
) {
1617 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1618 } else if (mc_count
) {
1621 mc_addrs
= kmalloc(mc_count
* ETH_ALEN
, GFP_ATOMIC
);
1623 netdev_warn(usbdev
->net
,
1624 "couldn't alloc %d bytes of memory\n",
1625 mc_count
* ETH_ALEN
);
1626 netif_addr_unlock_bh(usbdev
->net
);
1630 netdev_for_each_mc_addr(ha
, usbdev
->net
)
1631 memcpy(mc_addrs
+ i
++ * ETH_ALEN
,
1632 ha
->addr
, ETH_ALEN
);
1634 netif_addr_unlock_bh(usbdev
->net
);
1636 if (filter
!= basefilter
)
1640 ret
= rndis_set_oid(usbdev
,
1641 RNDIS_OID_802_3_MULTICAST_LIST
,
1642 mc_addrs
, mc_count
* ETH_ALEN
);
1645 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST
);
1647 filter
|= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST
);
1649 netdev_dbg(usbdev
->net
, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1650 mc_count
, priv
->multicast_size
, ret
);
1654 ret
= rndis_set_oid(usbdev
, RNDIS_OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
1657 netdev_warn(usbdev
->net
, "couldn't set packet filter: %08x\n",
1658 le32_to_cpu(filter
));
1661 netdev_dbg(usbdev
->net
, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1662 le32_to_cpu(filter
), ret
);
1666 static void debug_print_pmkids(struct usbnet
*usbdev
,
1667 struct ndis_80211_pmkid
*pmkids
,
1668 const char *func_str
)
1670 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1671 int i
, len
, count
, max_pmkids
, entry_len
;
1673 max_pmkids
= priv
->wdev
.wiphy
->max_num_pmkids
;
1674 len
= le32_to_cpu(pmkids
->length
);
1675 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1677 entry_len
= (count
> 0) ? (len
- sizeof(*pmkids
)) / count
: -1;
1679 netdev_dbg(usbdev
->net
, "%s(): %d PMKIDs (data len: %d, entry len: "
1680 "%d)\n", func_str
, count
, len
, entry_len
);
1682 if (count
> max_pmkids
)
1685 for (i
= 0; i
< count
; i
++) {
1686 u32
*tmp
= (u32
*)pmkids
->bssid_info
[i
].pmkid
;
1688 netdev_dbg(usbdev
->net
, "%s(): bssid: %pM, "
1689 "pmkid: %08X:%08X:%08X:%08X\n",
1690 func_str
, pmkids
->bssid_info
[i
].bssid
,
1691 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
1692 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
1696 static void debug_print_pmkids(struct usbnet
*usbdev
,
1697 struct ndis_80211_pmkid
*pmkids
,
1698 const char *func_str
)
1704 static struct ndis_80211_pmkid
*get_device_pmkids(struct usbnet
*usbdev
)
1706 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1707 struct ndis_80211_pmkid
*pmkids
;
1708 int len
, ret
, max_pmkids
;
1710 max_pmkids
= priv
->wdev
.wiphy
->max_num_pmkids
;
1711 len
= sizeof(*pmkids
) + max_pmkids
* sizeof(pmkids
->bssid_info
[0]);
1713 pmkids
= kzalloc(len
, GFP_KERNEL
);
1715 return ERR_PTR(-ENOMEM
);
1717 pmkids
->length
= cpu_to_le32(len
);
1718 pmkids
->bssid_info_count
= cpu_to_le32(max_pmkids
);
1720 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_PMKID
,
1723 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
1724 " -> %d\n", __func__
, len
, max_pmkids
, ret
);
1727 return ERR_PTR(ret
);
1730 if (le32_to_cpu(pmkids
->bssid_info_count
) > max_pmkids
)
1731 pmkids
->bssid_info_count
= cpu_to_le32(max_pmkids
);
1733 debug_print_pmkids(usbdev
, pmkids
, __func__
);
1738 static int set_device_pmkids(struct usbnet
*usbdev
,
1739 struct ndis_80211_pmkid
*pmkids
)
1741 int ret
, len
, num_pmkids
;
1743 num_pmkids
= le32_to_cpu(pmkids
->bssid_info_count
);
1744 len
= sizeof(*pmkids
) + num_pmkids
* sizeof(pmkids
->bssid_info
[0]);
1745 pmkids
->length
= cpu_to_le32(len
);
1747 debug_print_pmkids(usbdev
, pmkids
, __func__
);
1749 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_PMKID
, pmkids
,
1750 le32_to_cpu(pmkids
->length
));
1752 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
1753 "\n", __func__
, len
, num_pmkids
, ret
);
1760 static struct ndis_80211_pmkid
*remove_pmkid(struct usbnet
*usbdev
,
1761 struct ndis_80211_pmkid
*pmkids
,
1762 struct cfg80211_pmksa
*pmksa
,
1768 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1770 if (count
> max_pmkids
)
1773 for (i
= 0; i
< count
; i
++)
1774 if (ether_addr_equal(pmkids
->bssid_info
[i
].bssid
,
1778 /* pmkid not found */
1780 netdev_dbg(usbdev
->net
, "%s(): bssid not found (%pM)\n",
1781 __func__
, pmksa
->bssid
);
1786 for (; i
+ 1 < count
; i
++)
1787 pmkids
->bssid_info
[i
] = pmkids
->bssid_info
[i
+ 1];
1790 newlen
= sizeof(*pmkids
) + count
* sizeof(pmkids
->bssid_info
[0]);
1792 pmkids
->length
= cpu_to_le32(newlen
);
1793 pmkids
->bssid_info_count
= cpu_to_le32(count
);
1798 return ERR_PTR(err
);
1801 static struct ndis_80211_pmkid
*update_pmkid(struct usbnet
*usbdev
,
1802 struct ndis_80211_pmkid
*pmkids
,
1803 struct cfg80211_pmksa
*pmksa
,
1806 struct ndis_80211_pmkid
*new_pmkids
;
1810 count
= le32_to_cpu(pmkids
->bssid_info_count
);
1812 if (count
> max_pmkids
)
1815 /* update with new pmkid */
1816 for (i
= 0; i
< count
; i
++) {
1817 if (!ether_addr_equal(pmkids
->bssid_info
[i
].bssid
,
1821 memcpy(pmkids
->bssid_info
[i
].pmkid
, pmksa
->pmkid
,
1827 /* out of space, return error */
1828 if (i
== max_pmkids
) {
1829 netdev_dbg(usbdev
->net
, "%s(): out of space\n", __func__
);
1835 newlen
= sizeof(*pmkids
) + (count
+ 1) * sizeof(pmkids
->bssid_info
[0]);
1837 new_pmkids
= krealloc(pmkids
, newlen
, GFP_KERNEL
);
1842 pmkids
= new_pmkids
;
1844 pmkids
->length
= cpu_to_le32(newlen
);
1845 pmkids
->bssid_info_count
= cpu_to_le32(count
+ 1);
1847 memcpy(pmkids
->bssid_info
[count
].bssid
, pmksa
->bssid
, ETH_ALEN
);
1848 memcpy(pmkids
->bssid_info
[count
].pmkid
, pmksa
->pmkid
, WLAN_PMKID_LEN
);
1853 return ERR_PTR(err
);
1859 static int rndis_change_virtual_intf(struct wiphy
*wiphy
,
1860 struct net_device
*dev
,
1861 enum nl80211_iftype type
, u32
*flags
,
1862 struct vif_params
*params
)
1864 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1865 struct usbnet
*usbdev
= priv
->usbdev
;
1869 case NL80211_IFTYPE_ADHOC
:
1870 mode
= NDIS_80211_INFRA_ADHOC
;
1872 case NL80211_IFTYPE_STATION
:
1873 mode
= NDIS_80211_INFRA_INFRA
;
1879 priv
->wdev
.iftype
= type
;
1881 return set_infra_mode(usbdev
, mode
);
1884 static int rndis_set_wiphy_params(struct wiphy
*wiphy
, u32 changed
)
1886 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1887 struct usbnet
*usbdev
= priv
->usbdev
;
1890 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
) {
1891 err
= set_frag_threshold(usbdev
, wiphy
->frag_threshold
);
1896 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
) {
1897 err
= set_rts_threshold(usbdev
, wiphy
->rts_threshold
);
1905 static int rndis_set_tx_power(struct wiphy
*wiphy
,
1906 enum nl80211_tx_power_setting type
,
1909 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1910 struct usbnet
*usbdev
= priv
->usbdev
;
1912 netdev_dbg(usbdev
->net
, "%s(): type:0x%x mbm:%i\n",
1913 __func__
, type
, mbm
);
1915 if (mbm
< 0 || (mbm
% 100))
1918 /* Device doesn't support changing txpower after initialization, only
1919 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1922 if (type
== NL80211_TX_POWER_AUTOMATIC
||
1923 MBM_TO_DBM(mbm
) == get_bcm4320_power_dbm(priv
)) {
1924 if (!priv
->radio_on
)
1925 disassociate(usbdev
, true); /* turn on radio */
1933 static int rndis_get_tx_power(struct wiphy
*wiphy
, int *dbm
)
1935 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
1936 struct usbnet
*usbdev
= priv
->usbdev
;
1938 *dbm
= get_bcm4320_power_dbm(priv
);
1940 netdev_dbg(usbdev
->net
, "%s(): dbm:%i\n", __func__
, *dbm
);
1945 #define SCAN_DELAY_JIFFIES (6 * HZ)
1946 static int rndis_scan(struct wiphy
*wiphy
,
1947 struct cfg80211_scan_request
*request
)
1949 struct net_device
*dev
= request
->wdev
->netdev
;
1950 struct usbnet
*usbdev
= netdev_priv(dev
);
1951 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1953 int delay
= SCAN_DELAY_JIFFIES
;
1955 netdev_dbg(usbdev
->net
, "cfg80211.scan\n");
1957 /* Get current bssid list from device before new scan, as new scan
1958 * clears internal bssid list.
1960 rndis_check_bssid_list(usbdev
, NULL
, NULL
);
1962 if (priv
->scan_request
&& priv
->scan_request
!= request
)
1965 priv
->scan_request
= request
;
1967 ret
= rndis_start_bssid_list_scan(usbdev
);
1969 if (priv
->device_type
== RNDIS_BCM4320A
)
1972 /* Wait before retrieving scan results from device */
1973 queue_delayed_work(priv
->workqueue
, &priv
->scan_work
, delay
);
1979 static bool rndis_bss_info_update(struct usbnet
*usbdev
,
1980 struct ndis_80211_bssid_ex
*bssid
)
1982 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
1983 struct ieee80211_channel
*channel
;
1984 struct cfg80211_bss
*bss
;
1988 u16 beacon_interval
;
1989 struct ndis_80211_fixed_ies
*fixed
;
1990 int ie_len
, bssid_len
;
1993 netdev_dbg(usbdev
->net
, " found bssid: '%.32s' [%pM], len: %d\n",
1994 bssid
->ssid
.essid
, bssid
->mac
, le32_to_cpu(bssid
->length
));
1996 /* parse bssid structure */
1997 bssid_len
= le32_to_cpu(bssid
->length
);
1999 if (bssid_len
< sizeof(struct ndis_80211_bssid_ex
) +
2000 sizeof(struct ndis_80211_fixed_ies
))
2003 fixed
= (struct ndis_80211_fixed_ies
*)bssid
->ies
;
2005 ie
= (void *)(bssid
->ies
+ sizeof(struct ndis_80211_fixed_ies
));
2006 ie_len
= min(bssid_len
- (int)sizeof(*bssid
),
2007 (int)le32_to_cpu(bssid
->ie_length
));
2008 ie_len
-= sizeof(struct ndis_80211_fixed_ies
);
2012 /* extract data for cfg80211_inform_bss */
2013 channel
= ieee80211_get_channel(priv
->wdev
.wiphy
,
2014 KHZ_TO_MHZ(le32_to_cpu(bssid
->config
.ds_config
)));
2018 signal
= level_to_qual(le32_to_cpu(bssid
->rssi
));
2019 timestamp
= le64_to_cpu(*(__le64
*)fixed
->timestamp
);
2020 capability
= le16_to_cpu(fixed
->capabilities
);
2021 beacon_interval
= le16_to_cpu(fixed
->beacon_interval
);
2023 bss
= cfg80211_inform_bss(priv
->wdev
.wiphy
, channel
, bssid
->mac
,
2024 timestamp
, capability
, beacon_interval
, ie
, ie_len
, signal
,
2026 cfg80211_put_bss(bss
);
2028 return (bss
!= NULL
);
2031 static struct ndis_80211_bssid_ex
*next_bssid_list_item(
2032 struct ndis_80211_bssid_ex
*bssid
,
2033 int *bssid_len
, void *buf
, int len
)
2035 void *buf_end
, *bssid_end
;
2037 buf_end
= (char *)buf
+ len
;
2038 bssid_end
= (char *)bssid
+ *bssid_len
;
2040 if ((int)(buf_end
- bssid_end
) < sizeof(bssid
->length
)) {
2044 bssid
= (void *)((char *)bssid
+ *bssid_len
);
2045 *bssid_len
= le32_to_cpu(bssid
->length
);
2050 static bool check_bssid_list_item(struct ndis_80211_bssid_ex
*bssid
,
2051 int bssid_len
, void *buf
, int len
)
2053 void *buf_end
, *bssid_end
;
2055 if (!bssid
|| bssid_len
<= 0 || bssid_len
> len
)
2058 buf_end
= (char *)buf
+ len
;
2059 bssid_end
= (char *)bssid
+ bssid_len
;
2061 return (int)(buf_end
- bssid_end
) >= 0 && (int)(bssid_end
- buf
) >= 0;
2064 static int rndis_check_bssid_list(struct usbnet
*usbdev
, u8
*match_bssid
,
2068 struct ndis_80211_bssid_list_ex
*bssid_list
;
2069 struct ndis_80211_bssid_ex
*bssid
;
2070 int ret
= -EINVAL
, len
, count
, bssid_len
, real_count
, new_len
;
2072 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
2074 len
= CONTROL_BUFFER_SIZE
;
2076 buf
= kzalloc(len
, GFP_KERNEL
);
2082 /* BSSID-list might have got bigger last time we checked, keep
2083 * resizing until it won't get any bigger.
2086 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_BSSID_LIST
,
2088 if (ret
!= 0 || new_len
< sizeof(struct ndis_80211_bssid_list_ex
))
2091 if (new_len
> len
) {
2100 count
= le32_to_cpu(bssid_list
->num_items
);
2102 netdev_dbg(usbdev
->net
, "%s(): buflen: %d\n", __func__
, len
);
2105 bssid
= next_bssid_list_item(bssid_list
->bssid
, &bssid_len
, buf
, len
);
2107 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2108 * received 'num_items' and walking through full bssid buffer instead.
2110 while (check_bssid_list_item(bssid
, bssid_len
, buf
, len
)) {
2111 if (rndis_bss_info_update(usbdev
, bssid
) && match_bssid
&&
2113 if (ether_addr_equal(bssid
->mac
, match_bssid
))
2118 bssid
= next_bssid_list_item(bssid
, &bssid_len
, buf
, len
);
2121 netdev_dbg(usbdev
->net
, "%s(): num_items from device: %d, really found:"
2122 " %d\n", __func__
, count
, real_count
);
2129 static void rndis_get_scan_results(struct work_struct
*work
)
2131 struct rndis_wlan_private
*priv
=
2132 container_of(work
, struct rndis_wlan_private
, scan_work
.work
);
2133 struct usbnet
*usbdev
= priv
->usbdev
;
2136 netdev_dbg(usbdev
->net
, "get_scan_results\n");
2138 if (!priv
->scan_request
)
2141 ret
= rndis_check_bssid_list(usbdev
, NULL
, NULL
);
2143 cfg80211_scan_done(priv
->scan_request
, ret
< 0);
2145 priv
->scan_request
= NULL
;
2148 static int rndis_connect(struct wiphy
*wiphy
, struct net_device
*dev
,
2149 struct cfg80211_connect_params
*sme
)
2151 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2152 struct usbnet
*usbdev
= priv
->usbdev
;
2153 struct ieee80211_channel
*channel
= sme
->channel
;
2154 struct ndis_80211_ssid ssid
;
2155 int pairwise
= RNDIS_WLAN_ALG_NONE
;
2156 int groupwise
= RNDIS_WLAN_ALG_NONE
;
2157 int keymgmt
= RNDIS_WLAN_KEY_MGMT_NONE
;
2158 int length
, i
, ret
, chan
= -1;
2161 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
2163 groupwise
= rndis_cipher_to_alg(sme
->crypto
.cipher_group
);
2164 for (i
= 0; i
< sme
->crypto
.n_ciphers_pairwise
; i
++)
2166 rndis_cipher_to_alg(sme
->crypto
.ciphers_pairwise
[i
]);
2168 if (sme
->crypto
.n_ciphers_pairwise
> 0 &&
2169 pairwise
== RNDIS_WLAN_ALG_NONE
) {
2170 netdev_err(usbdev
->net
, "Unsupported pairwise cipher\n");
2174 for (i
= 0; i
< sme
->crypto
.n_akm_suites
; i
++)
2176 rndis_akm_suite_to_key_mgmt(sme
->crypto
.akm_suites
[i
]);
2178 if (sme
->crypto
.n_akm_suites
> 0 &&
2179 keymgmt
== RNDIS_WLAN_KEY_MGMT_NONE
) {
2180 netdev_err(usbdev
->net
, "Invalid keymgmt\n");
2184 netdev_dbg(usbdev
->net
, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2185 sme
->ssid
, sme
->bssid
, chan
,
2186 sme
->privacy
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
2187 groupwise
, pairwise
, keymgmt
);
2189 if (is_associated(usbdev
))
2190 disassociate(usbdev
, false);
2192 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_INFRA
);
2194 netdev_dbg(usbdev
->net
, "connect: set_infra_mode failed, %d\n",
2196 goto err_turn_radio_on
;
2199 ret
= set_auth_mode(usbdev
, sme
->crypto
.wpa_versions
, sme
->auth_type
,
2202 netdev_dbg(usbdev
->net
, "connect: set_auth_mode failed, %d\n",
2204 goto err_turn_radio_on
;
2207 set_priv_filter(usbdev
);
2209 ret
= set_encr_mode(usbdev
, pairwise
, groupwise
);
2211 netdev_dbg(usbdev
->net
, "connect: set_encr_mode failed, %d\n",
2213 goto err_turn_radio_on
;
2217 ret
= set_channel(usbdev
, chan
);
2219 netdev_dbg(usbdev
->net
, "connect: set_channel failed, %d\n",
2221 goto err_turn_radio_on
;
2225 if (sme
->key
&& ((groupwise
| pairwise
) & RNDIS_WLAN_ALG_WEP
)) {
2226 priv
->encr_tx_key_index
= sme
->key_idx
;
2227 ret
= add_wep_key(usbdev
, sme
->key
, sme
->key_len
, sme
->key_idx
);
2229 netdev_dbg(usbdev
->net
, "connect: add_wep_key failed, %d (%d, %d)\n",
2230 ret
, sme
->key_len
, sme
->key_idx
);
2231 goto err_turn_radio_on
;
2235 if (sme
->bssid
&& !is_zero_ether_addr(sme
->bssid
) &&
2236 !is_broadcast_ether_addr(sme
->bssid
)) {
2237 ret
= set_bssid(usbdev
, sme
->bssid
);
2239 netdev_dbg(usbdev
->net
, "connect: set_bssid failed, %d\n",
2241 goto err_turn_radio_on
;
2244 clear_bssid(usbdev
);
2246 length
= sme
->ssid_len
;
2247 if (length
> NDIS_802_11_LENGTH_SSID
)
2248 length
= NDIS_802_11_LENGTH_SSID
;
2250 memset(&ssid
, 0, sizeof(ssid
));
2251 ssid
.length
= cpu_to_le32(length
);
2252 memcpy(ssid
.essid
, sme
->ssid
, length
);
2254 /* Pause and purge rx queue, so we don't pass packets before
2255 * 'media connect'-indication.
2257 usbnet_pause_rx(usbdev
);
2258 usbnet_purge_paused_rxq(usbdev
);
2260 ret
= set_essid(usbdev
, &ssid
);
2262 netdev_dbg(usbdev
->net
, "connect: set_essid failed, %d\n", ret
);
2266 disassociate(usbdev
, true);
2271 static int rndis_disconnect(struct wiphy
*wiphy
, struct net_device
*dev
,
2274 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2275 struct usbnet
*usbdev
= priv
->usbdev
;
2277 netdev_dbg(usbdev
->net
, "cfg80211.disconnect(%d)\n", reason_code
);
2279 priv
->connected
= false;
2280 memset(priv
->bssid
, 0, ETH_ALEN
);
2282 return deauthenticate(usbdev
);
2285 static int rndis_join_ibss(struct wiphy
*wiphy
, struct net_device
*dev
,
2286 struct cfg80211_ibss_params
*params
)
2288 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2289 struct usbnet
*usbdev
= priv
->usbdev
;
2290 struct ieee80211_channel
*channel
= params
->channel
;
2291 struct ndis_80211_ssid ssid
;
2292 enum nl80211_auth_type auth_type
;
2293 int ret
, alg
, length
, chan
= -1;
2296 chan
= ieee80211_frequency_to_channel(channel
->center_freq
);
2298 /* TODO: How to handle ad-hoc encryption?
2299 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2300 * pre-shared for encryption (open/shared/wpa), is key set before
2301 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2303 if (params
->privacy
) {
2304 auth_type
= NL80211_AUTHTYPE_SHARED_KEY
;
2305 alg
= RNDIS_WLAN_ALG_WEP
;
2307 auth_type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
2308 alg
= RNDIS_WLAN_ALG_NONE
;
2311 netdev_dbg(usbdev
->net
, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2312 params
->ssid
, params
->bssid
, chan
, params
->privacy
);
2314 if (is_associated(usbdev
))
2315 disassociate(usbdev
, false);
2317 ret
= set_infra_mode(usbdev
, NDIS_80211_INFRA_ADHOC
);
2319 netdev_dbg(usbdev
->net
, "join_ibss: set_infra_mode failed, %d\n",
2321 goto err_turn_radio_on
;
2324 ret
= set_auth_mode(usbdev
, 0, auth_type
, RNDIS_WLAN_KEY_MGMT_NONE
);
2326 netdev_dbg(usbdev
->net
, "join_ibss: set_auth_mode failed, %d\n",
2328 goto err_turn_radio_on
;
2331 set_priv_filter(usbdev
);
2333 ret
= set_encr_mode(usbdev
, alg
, RNDIS_WLAN_ALG_NONE
);
2335 netdev_dbg(usbdev
->net
, "join_ibss: set_encr_mode failed, %d\n",
2337 goto err_turn_radio_on
;
2341 ret
= set_channel(usbdev
, chan
);
2343 netdev_dbg(usbdev
->net
, "join_ibss: set_channel failed, %d\n",
2345 goto err_turn_radio_on
;
2349 if (params
->bssid
&& !is_zero_ether_addr(params
->bssid
) &&
2350 !is_broadcast_ether_addr(params
->bssid
)) {
2351 ret
= set_bssid(usbdev
, params
->bssid
);
2353 netdev_dbg(usbdev
->net
, "join_ibss: set_bssid failed, %d\n",
2355 goto err_turn_radio_on
;
2358 clear_bssid(usbdev
);
2360 length
= params
->ssid_len
;
2361 if (length
> NDIS_802_11_LENGTH_SSID
)
2362 length
= NDIS_802_11_LENGTH_SSID
;
2364 memset(&ssid
, 0, sizeof(ssid
));
2365 ssid
.length
= cpu_to_le32(length
);
2366 memcpy(ssid
.essid
, params
->ssid
, length
);
2368 /* Don't need to pause rx queue for ad-hoc. */
2369 usbnet_purge_paused_rxq(usbdev
);
2370 usbnet_resume_rx(usbdev
);
2372 ret
= set_essid(usbdev
, &ssid
);
2374 netdev_dbg(usbdev
->net
, "join_ibss: set_essid failed, %d\n",
2379 disassociate(usbdev
, true);
2384 static int rndis_leave_ibss(struct wiphy
*wiphy
, struct net_device
*dev
)
2386 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2387 struct usbnet
*usbdev
= priv
->usbdev
;
2389 netdev_dbg(usbdev
->net
, "cfg80211.leave_ibss()\n");
2391 priv
->connected
= false;
2392 memset(priv
->bssid
, 0, ETH_ALEN
);
2394 return deauthenticate(usbdev
);
2397 static int rndis_add_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2398 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
2399 struct key_params
*params
)
2401 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2402 struct usbnet
*usbdev
= priv
->usbdev
;
2405 netdev_dbg(usbdev
->net
, "%s(%i, %pM, %08x)\n",
2406 __func__
, key_index
, mac_addr
, params
->cipher
);
2408 switch (params
->cipher
) {
2409 case WLAN_CIPHER_SUITE_WEP40
:
2410 case WLAN_CIPHER_SUITE_WEP104
:
2411 return add_wep_key(usbdev
, params
->key
, params
->key_len
,
2413 case WLAN_CIPHER_SUITE_TKIP
:
2414 case WLAN_CIPHER_SUITE_CCMP
:
2417 if (params
->seq
&& params
->seq_len
> 0)
2418 flags
|= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ
;
2420 flags
|= NDIS_80211_ADDKEY_PAIRWISE_KEY
|
2421 NDIS_80211_ADDKEY_TRANSMIT_KEY
;
2423 return add_wpa_key(usbdev
, params
->key
, params
->key_len
,
2424 key_index
, mac_addr
, params
->seq
,
2425 params
->seq_len
, params
->cipher
, flags
);
2427 netdev_dbg(usbdev
->net
, "%s(): unsupported cipher %08x\n",
2428 __func__
, params
->cipher
);
2433 static int rndis_del_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2434 u8 key_index
, bool pairwise
, const u8
*mac_addr
)
2436 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2437 struct usbnet
*usbdev
= priv
->usbdev
;
2439 netdev_dbg(usbdev
->net
, "%s(%i, %pM)\n", __func__
, key_index
, mac_addr
);
2441 return remove_key(usbdev
, key_index
, mac_addr
);
2444 static int rndis_set_default_key(struct wiphy
*wiphy
, struct net_device
*netdev
,
2445 u8 key_index
, bool unicast
, bool multicast
)
2447 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2448 struct usbnet
*usbdev
= priv
->usbdev
;
2449 struct rndis_wlan_encr_key key
;
2451 netdev_dbg(usbdev
->net
, "%s(%i)\n", __func__
, key_index
);
2453 if (key_index
>= RNDIS_WLAN_NUM_KEYS
)
2456 priv
->encr_tx_key_index
= key_index
;
2458 if (is_wpa_key(priv
, key_index
))
2461 key
= priv
->encr_keys
[key_index
];
2463 return add_wep_key(usbdev
, key
.material
, key
.len
, key_index
);
2466 static void rndis_fill_station_info(struct usbnet
*usbdev
,
2467 struct station_info
*sinfo
)
2469 __le32 linkspeed
, rssi
;
2472 memset(sinfo
, 0, sizeof(*sinfo
));
2474 len
= sizeof(linkspeed
);
2475 ret
= rndis_query_oid(usbdev
, RNDIS_OID_GEN_LINK_SPEED
, &linkspeed
, &len
);
2477 sinfo
->txrate
.legacy
= le32_to_cpu(linkspeed
) / 1000;
2478 sinfo
->filled
|= STATION_INFO_TX_BITRATE
;
2482 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
2485 sinfo
->signal
= level_to_qual(le32_to_cpu(rssi
));
2486 sinfo
->filled
|= STATION_INFO_SIGNAL
;
2490 static int rndis_get_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2491 u8
*mac
, struct station_info
*sinfo
)
2493 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2494 struct usbnet
*usbdev
= priv
->usbdev
;
2496 if (!ether_addr_equal(priv
->bssid
, mac
))
2499 rndis_fill_station_info(usbdev
, sinfo
);
2504 static int rndis_dump_station(struct wiphy
*wiphy
, struct net_device
*dev
,
2505 int idx
, u8
*mac
, struct station_info
*sinfo
)
2507 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2508 struct usbnet
*usbdev
= priv
->usbdev
;
2513 memcpy(mac
, priv
->bssid
, ETH_ALEN
);
2515 rndis_fill_station_info(usbdev
, sinfo
);
2520 static int rndis_set_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
2521 struct cfg80211_pmksa
*pmksa
)
2523 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2524 struct usbnet
*usbdev
= priv
->usbdev
;
2525 struct ndis_80211_pmkid
*pmkids
;
2526 u32
*tmp
= (u32
*)pmksa
->pmkid
;
2528 netdev_dbg(usbdev
->net
, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__
,
2530 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
2531 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
2533 pmkids
= get_device_pmkids(usbdev
);
2534 if (IS_ERR(pmkids
)) {
2535 /* couldn't read PMKID cache from device */
2536 return PTR_ERR(pmkids
);
2539 pmkids
= update_pmkid(usbdev
, pmkids
, pmksa
, wiphy
->max_num_pmkids
);
2540 if (IS_ERR(pmkids
)) {
2541 /* not found, list full, etc */
2542 return PTR_ERR(pmkids
);
2545 return set_device_pmkids(usbdev
, pmkids
);
2548 static int rndis_del_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
,
2549 struct cfg80211_pmksa
*pmksa
)
2551 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2552 struct usbnet
*usbdev
= priv
->usbdev
;
2553 struct ndis_80211_pmkid
*pmkids
;
2554 u32
*tmp
= (u32
*)pmksa
->pmkid
;
2556 netdev_dbg(usbdev
->net
, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__
,
2558 cpu_to_be32(tmp
[0]), cpu_to_be32(tmp
[1]),
2559 cpu_to_be32(tmp
[2]), cpu_to_be32(tmp
[3]));
2561 pmkids
= get_device_pmkids(usbdev
);
2562 if (IS_ERR(pmkids
)) {
2563 /* Couldn't read PMKID cache from device */
2564 return PTR_ERR(pmkids
);
2567 pmkids
= remove_pmkid(usbdev
, pmkids
, pmksa
, wiphy
->max_num_pmkids
);
2568 if (IS_ERR(pmkids
)) {
2569 /* not found, etc */
2570 return PTR_ERR(pmkids
);
2573 return set_device_pmkids(usbdev
, pmkids
);
2576 static int rndis_flush_pmksa(struct wiphy
*wiphy
, struct net_device
*netdev
)
2578 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2579 struct usbnet
*usbdev
= priv
->usbdev
;
2580 struct ndis_80211_pmkid pmkid
;
2582 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
2584 memset(&pmkid
, 0, sizeof(pmkid
));
2586 pmkid
.length
= cpu_to_le32(sizeof(pmkid
));
2587 pmkid
.bssid_info_count
= cpu_to_le32(0);
2589 return rndis_set_oid(usbdev
, RNDIS_OID_802_11_PMKID
,
2590 &pmkid
, sizeof(pmkid
));
2593 static int rndis_set_power_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2594 bool enabled
, int timeout
)
2596 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2597 struct usbnet
*usbdev
= priv
->usbdev
;
2602 if (priv
->device_type
!= RNDIS_BCM4320B
)
2605 netdev_dbg(usbdev
->net
, "%s(): %s, %d\n", __func__
,
2606 enabled
? "enabled" : "disabled",
2610 power_mode
= NDIS_80211_POWER_MODE_FAST_PSP
;
2612 power_mode
= NDIS_80211_POWER_MODE_CAM
;
2614 if (power_mode
== priv
->power_mode
)
2617 priv
->power_mode
= power_mode
;
2619 mode
= cpu_to_le32(power_mode
);
2620 ret
= rndis_set_oid(usbdev
, RNDIS_OID_802_11_POWER_MODE
,
2621 &mode
, sizeof(mode
));
2623 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
2629 static int rndis_set_cqm_rssi_config(struct wiphy
*wiphy
,
2630 struct net_device
*dev
,
2631 s32 rssi_thold
, u32 rssi_hyst
)
2633 struct rndis_wlan_private
*priv
= wiphy_priv(wiphy
);
2635 priv
->cqm_rssi_thold
= rssi_thold
;
2636 priv
->cqm_rssi_hyst
= rssi_hyst
;
2637 priv
->last_cqm_event_rssi
= 0;
2642 static void rndis_wlan_craft_connected_bss(struct usbnet
*usbdev
, u8
*bssid
,
2643 struct ndis_80211_assoc_info
*info
)
2645 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2646 struct ieee80211_channel
*channel
;
2647 struct ndis_80211_ssid ssid
;
2648 struct cfg80211_bss
*bss
;
2652 u32 beacon_period
= 0;
2655 int len
, ret
, ie_len
;
2657 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2660 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
2662 signal
= level_to_qual(le32_to_cpu(rssi
));
2664 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
2665 "rssi:%d, qual: %d\n", __func__
, ret
, le32_to_cpu(rssi
),
2666 level_to_qual(le32_to_cpu(rssi
)));
2668 /* Get AP capabilities */
2670 capability
= le16_to_cpu(info
->resp_ie
.capa
);
2672 /* Set atleast ESS/IBSS capability */
2673 capability
= (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) ?
2674 WLAN_CAPABILITY_ESS
: WLAN_CAPABILITY_IBSS
;
2677 /* Get channel and beacon interval */
2678 channel
= get_current_channel(usbdev
, &beacon_period
);
2680 netdev_warn(usbdev
->net
, "%s(): could not get channel.\n",
2685 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2687 memset(&ssid
, 0, sizeof(ssid
));
2688 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_SSID
,
2690 netdev_dbg(usbdev
->net
, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
2691 "'%.32s'\n", __func__
, ret
,
2692 le32_to_cpu(ssid
.length
), ssid
.essid
);
2694 if (le32_to_cpu(ssid
.length
) > 32)
2695 ssid
.length
= cpu_to_le32(32);
2697 ie_buf
[0] = WLAN_EID_SSID
;
2698 ie_buf
[1] = le32_to_cpu(ssid
.length
);
2699 memcpy(&ie_buf
[2], ssid
.essid
, le32_to_cpu(ssid
.length
));
2701 ie_len
= le32_to_cpu(ssid
.length
) + 2;
2706 netdev_dbg(usbdev
->net
, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2707 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2708 "signal:%d\n", __func__
, (channel
? channel
->center_freq
: -1),
2709 bssid
, (u32
)timestamp
, capability
, beacon_period
, ie_len
,
2710 ssid
.essid
, signal
);
2712 bss
= cfg80211_inform_bss(priv
->wdev
.wiphy
, channel
, bssid
,
2713 timestamp
, capability
, beacon_period
, ie_buf
, ie_len
,
2714 signal
, GFP_KERNEL
);
2715 cfg80211_put_bss(bss
);
2719 * workers, indication handlers, device poller
2721 static void rndis_wlan_do_link_up_work(struct usbnet
*usbdev
)
2723 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2724 struct ndis_80211_assoc_info
*info
= NULL
;
2726 unsigned int resp_ie_len
, req_ie_len
;
2727 unsigned int offset
;
2728 u8
*req_ie
, *resp_ie
;
2730 bool roamed
= false;
2733 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
&& priv
->connected
) {
2734 /* received media connect indication while connected, either
2735 * device reassociated with same AP or roamed to new. */
2744 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2745 info
= kzalloc(CONTROL_BUFFER_SIZE
, GFP_KERNEL
);
2747 /* No memory? Try resume work later */
2748 set_bit(WORK_LINK_UP
, &priv
->work_pending
);
2749 queue_work(priv
->workqueue
, &priv
->work
);
2753 /* Get association info IEs from device. */
2754 ret
= get_association_info(usbdev
, info
, CONTROL_BUFFER_SIZE
);
2756 req_ie_len
= le32_to_cpu(info
->req_ie_length
);
2757 if (req_ie_len
> CONTROL_BUFFER_SIZE
)
2758 req_ie_len
= CONTROL_BUFFER_SIZE
;
2759 if (req_ie_len
!= 0) {
2760 offset
= le32_to_cpu(info
->offset_req_ies
);
2762 if (offset
> CONTROL_BUFFER_SIZE
)
2763 offset
= CONTROL_BUFFER_SIZE
;
2765 req_ie
= (u8
*)info
+ offset
;
2767 if (offset
+ req_ie_len
> CONTROL_BUFFER_SIZE
)
2769 CONTROL_BUFFER_SIZE
- offset
;
2772 resp_ie_len
= le32_to_cpu(info
->resp_ie_length
);
2773 if (resp_ie_len
> CONTROL_BUFFER_SIZE
)
2774 resp_ie_len
= CONTROL_BUFFER_SIZE
;
2775 if (resp_ie_len
!= 0) {
2776 offset
= le32_to_cpu(info
->offset_resp_ies
);
2778 if (offset
> CONTROL_BUFFER_SIZE
)
2779 offset
= CONTROL_BUFFER_SIZE
;
2781 resp_ie
= (u8
*)info
+ offset
;
2783 if (offset
+ resp_ie_len
> CONTROL_BUFFER_SIZE
)
2785 CONTROL_BUFFER_SIZE
- offset
;
2788 /* Since rndis_wlan_craft_connected_bss() might use info
2789 * later and expects info to contain valid data if
2790 * non-null, free info and set NULL here.
2795 } else if (WARN_ON(priv
->infra_mode
!= NDIS_80211_INFRA_ADHOC
))
2798 ret
= get_bssid(usbdev
, bssid
);
2800 memset(bssid
, 0, sizeof(bssid
));
2802 netdev_dbg(usbdev
->net
, "link up work: [%pM]%s\n",
2803 bssid
, roamed
? " roamed" : "");
2805 /* Internal bss list in device should contain at least the currently
2806 * connected bss and we can get it to cfg80211 with
2807 * rndis_check_bssid_list().
2809 * NDIS spec says: "If the device is associated, but the associated
2810 * BSSID is not in its BSSID scan list, then the driver must add an
2811 * entry for the BSSID at the end of the data that it returns in
2812 * response to query of RNDIS_OID_802_11_BSSID_LIST."
2814 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
2817 rndis_check_bssid_list(usbdev
, bssid
, &match_bss
);
2819 if (!is_zero_ether_addr(bssid
) && !match_bss
) {
2820 /* Couldn't get bss from device, we need to manually craft bss
2823 rndis_wlan_craft_connected_bss(usbdev
, bssid
, info
);
2826 if (priv
->infra_mode
== NDIS_80211_INFRA_INFRA
) {
2828 cfg80211_connect_result(usbdev
->net
, bssid
, req_ie
,
2829 req_ie_len
, resp_ie
,
2830 resp_ie_len
, 0, GFP_KERNEL
);
2832 cfg80211_roamed(usbdev
->net
,
2833 get_current_channel(usbdev
, NULL
),
2834 bssid
, req_ie
, req_ie_len
,
2835 resp_ie
, resp_ie_len
, GFP_KERNEL
);
2836 } else if (priv
->infra_mode
== NDIS_80211_INFRA_ADHOC
)
2837 cfg80211_ibss_joined(usbdev
->net
, bssid
, GFP_KERNEL
);
2842 priv
->connected
= true;
2843 memcpy(priv
->bssid
, bssid
, ETH_ALEN
);
2845 usbnet_resume_rx(usbdev
);
2846 netif_carrier_on(usbdev
->net
);
2849 static void rndis_wlan_do_link_down_work(struct usbnet
*usbdev
)
2851 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2853 if (priv
->connected
) {
2854 priv
->connected
= false;
2855 memset(priv
->bssid
, 0, ETH_ALEN
);
2857 deauthenticate(usbdev
);
2859 cfg80211_disconnected(usbdev
->net
, 0, NULL
, 0, GFP_KERNEL
);
2862 netif_carrier_off(usbdev
->net
);
2865 static void rndis_wlan_worker(struct work_struct
*work
)
2867 struct rndis_wlan_private
*priv
=
2868 container_of(work
, struct rndis_wlan_private
, work
);
2869 struct usbnet
*usbdev
= priv
->usbdev
;
2871 if (test_and_clear_bit(WORK_LINK_UP
, &priv
->work_pending
))
2872 rndis_wlan_do_link_up_work(usbdev
);
2874 if (test_and_clear_bit(WORK_LINK_DOWN
, &priv
->work_pending
))
2875 rndis_wlan_do_link_down_work(usbdev
);
2877 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2878 set_multicast_list(usbdev
);
2881 static void rndis_wlan_set_multicast_list(struct net_device
*dev
)
2883 struct usbnet
*usbdev
= netdev_priv(dev
);
2884 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
2886 if (test_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
))
2889 set_bit(WORK_SET_MULTICAST_LIST
, &priv
->work_pending
);
2890 queue_work(priv
->workqueue
, &priv
->work
);
2893 static void rndis_wlan_auth_indication(struct usbnet
*usbdev
,
2894 struct ndis_80211_status_indication
*indication
,
2899 int flags
, buflen
, key_id
;
2900 bool pairwise_error
, group_error
;
2901 struct ndis_80211_auth_request
*auth_req
;
2902 enum nl80211_key_type key_type
;
2904 /* must have at least one array entry */
2905 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2906 sizeof(struct ndis_80211_auth_request
)) {
2907 netdev_info(usbdev
->net
, "authentication indication: too short message (%i)\n",
2912 buf
= (void *)&indication
->u
.auth_request
[0];
2913 buflen
= len
- offsetof(struct ndis_80211_status_indication
, u
);
2915 while (buflen
>= sizeof(*auth_req
)) {
2916 auth_req
= (void *)buf
;
2918 flags
= le32_to_cpu(auth_req
->flags
);
2919 pairwise_error
= false;
2920 group_error
= false;
2923 type
= "reauth request";
2925 type
= "key update request";
2927 pairwise_error
= true;
2928 type
= "pairwise_error";
2932 type
= "group_error";
2935 netdev_info(usbdev
->net
, "authentication indication: %s (0x%08x)\n",
2936 type
, le32_to_cpu(auth_req
->flags
));
2938 if (pairwise_error
) {
2939 key_type
= NL80211_KEYTYPE_PAIRWISE
;
2942 cfg80211_michael_mic_failure(usbdev
->net
,
2944 key_type
, key_id
, NULL
,
2949 key_type
= NL80211_KEYTYPE_GROUP
;
2952 cfg80211_michael_mic_failure(usbdev
->net
,
2954 key_type
, key_id
, NULL
,
2958 buflen
-= le32_to_cpu(auth_req
->length
);
2959 buf
+= le32_to_cpu(auth_req
->length
);
2963 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet
*usbdev
,
2964 struct ndis_80211_status_indication
*indication
,
2967 struct ndis_80211_pmkid_cand_list
*cand_list
;
2968 int list_len
, expected_len
, i
;
2970 if (len
< offsetof(struct ndis_80211_status_indication
, u
) +
2971 sizeof(struct ndis_80211_pmkid_cand_list
)) {
2972 netdev_info(usbdev
->net
, "pmkid candidate list indication: too short message (%i)\n",
2977 list_len
= le32_to_cpu(indication
->u
.cand_list
.num_candidates
) *
2978 sizeof(struct ndis_80211_pmkid_candidate
);
2979 expected_len
= sizeof(struct ndis_80211_pmkid_cand_list
) + list_len
+
2980 offsetof(struct ndis_80211_status_indication
, u
);
2982 if (len
< expected_len
) {
2983 netdev_info(usbdev
->net
, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2988 cand_list
= &indication
->u
.cand_list
;
2990 netdev_info(usbdev
->net
, "pmkid candidate list indication: version %i, candidates %i\n",
2991 le32_to_cpu(cand_list
->version
),
2992 le32_to_cpu(cand_list
->num_candidates
));
2994 if (le32_to_cpu(cand_list
->version
) != 1)
2997 for (i
= 0; i
< le32_to_cpu(cand_list
->num_candidates
); i
++) {
2998 struct ndis_80211_pmkid_candidate
*cand
=
2999 &cand_list
->candidate_list
[i
];
3000 bool preauth
= !!(cand
->flags
& NDIS_80211_PMKID_CAND_PREAUTH
);
3002 netdev_dbg(usbdev
->net
, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3003 i
, le32_to_cpu(cand
->flags
), preauth
, cand
->bssid
);
3005 cfg80211_pmksa_candidate_notify(usbdev
->net
, i
, cand
->bssid
,
3006 preauth
, GFP_ATOMIC
);
3010 static void rndis_wlan_media_specific_indication(struct usbnet
*usbdev
,
3011 struct rndis_indicate
*msg
, int buflen
)
3013 struct ndis_80211_status_indication
*indication
;
3014 unsigned int len
, offset
;
3016 offset
= offsetof(struct rndis_indicate
, status
) +
3017 le32_to_cpu(msg
->offset
);
3018 len
= le32_to_cpu(msg
->length
);
3021 netdev_info(usbdev
->net
, "media specific indication, ignore too short message (%i < 8)\n",
3026 if (len
> buflen
|| offset
> buflen
|| offset
+ len
> buflen
) {
3027 netdev_info(usbdev
->net
, "media specific indication, too large to fit to buffer (%i > %i)\n",
3028 offset
+ len
, buflen
);
3032 indication
= (void *)((u8
*)msg
+ offset
);
3034 switch (le32_to_cpu(indication
->status_type
)) {
3035 case NDIS_80211_STATUSTYPE_RADIOSTATE
:
3036 netdev_info(usbdev
->net
, "radio state indication: %i\n",
3037 le32_to_cpu(indication
->u
.radio_status
));
3040 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE
:
3041 netdev_info(usbdev
->net
, "media stream mode indication: %i\n",
3042 le32_to_cpu(indication
->u
.media_stream_mode
));
3045 case NDIS_80211_STATUSTYPE_AUTHENTICATION
:
3046 rndis_wlan_auth_indication(usbdev
, indication
, len
);
3049 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST
:
3050 rndis_wlan_pmkid_cand_list_indication(usbdev
, indication
, len
);
3054 netdev_info(usbdev
->net
, "media specific indication: unknown status type 0x%08x\n",
3055 le32_to_cpu(indication
->status_type
));
3059 static void rndis_wlan_indication(struct usbnet
*usbdev
, void *ind
, int buflen
)
3061 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3062 struct rndis_indicate
*msg
= ind
;
3064 switch (le32_to_cpu(msg
->status
)) {
3065 case RNDIS_STATUS_MEDIA_CONNECT
:
3066 if (priv
->current_command_oid
== RNDIS_OID_802_11_ADD_KEY
) {
3067 /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
3068 * "media connect" indications which confuses driver
3069 * and userspace to think that device is
3070 * roaming/reassociating when it isn't.
3072 netdev_dbg(usbdev
->net
, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
3076 usbnet_pause_rx(usbdev
);
3078 netdev_info(usbdev
->net
, "media connect\n");
3080 /* queue work to avoid recursive calls into rndis_command */
3081 set_bit(WORK_LINK_UP
, &priv
->work_pending
);
3082 queue_work(priv
->workqueue
, &priv
->work
);
3085 case RNDIS_STATUS_MEDIA_DISCONNECT
:
3086 netdev_info(usbdev
->net
, "media disconnect\n");
3088 /* queue work to avoid recursive calls into rndis_command */
3089 set_bit(WORK_LINK_DOWN
, &priv
->work_pending
);
3090 queue_work(priv
->workqueue
, &priv
->work
);
3093 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION
:
3094 rndis_wlan_media_specific_indication(usbdev
, msg
, buflen
);
3098 netdev_info(usbdev
->net
, "indication: 0x%08x\n",
3099 le32_to_cpu(msg
->status
));
3104 static int rndis_wlan_get_caps(struct usbnet
*usbdev
, struct wiphy
*wiphy
)
3109 } networks_supported
;
3110 struct ndis_80211_capability
*caps
;
3111 u8 caps_buf
[sizeof(*caps
) + sizeof(caps
->auth_encr_pair
) * 16];
3112 int len
, retval
, i
, n
;
3113 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3115 /* determine supported modes */
3116 len
= sizeof(networks_supported
);
3117 retval
= rndis_query_oid(usbdev
,
3118 RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED
,
3119 &networks_supported
, &len
);
3121 n
= le32_to_cpu(networks_supported
.num_items
);
3124 for (i
= 0; i
< n
; i
++) {
3125 switch (le32_to_cpu(networks_supported
.items
[i
])) {
3126 case NDIS_80211_TYPE_FREQ_HOP
:
3127 case NDIS_80211_TYPE_DIRECT_SEQ
:
3128 priv
->caps
|= CAP_MODE_80211B
;
3130 case NDIS_80211_TYPE_OFDM_A
:
3131 priv
->caps
|= CAP_MODE_80211A
;
3133 case NDIS_80211_TYPE_OFDM_G
:
3134 priv
->caps
|= CAP_MODE_80211G
;
3140 /* get device 802.11 capabilities, number of PMKIDs */
3141 caps
= (struct ndis_80211_capability
*)caps_buf
;
3142 len
= sizeof(caps_buf
);
3143 retval
= rndis_query_oid(usbdev
,
3144 RNDIS_OID_802_11_CAPABILITY
,
3147 netdev_dbg(usbdev
->net
, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
3148 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3149 le32_to_cpu(caps
->length
),
3150 le32_to_cpu(caps
->version
),
3151 le32_to_cpu(caps
->num_pmkids
),
3152 le32_to_cpu(caps
->num_auth_encr_pair
));
3153 wiphy
->max_num_pmkids
= le32_to_cpu(caps
->num_pmkids
);
3155 wiphy
->max_num_pmkids
= 0;
3160 static void rndis_do_cqm(struct usbnet
*usbdev
, s32 rssi
)
3162 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3163 enum nl80211_cqm_rssi_threshold_event event
;
3164 int thold
, hyst
, last_event
;
3166 if (priv
->cqm_rssi_thold
>= 0 || rssi
>= 0)
3168 if (priv
->infra_mode
!= NDIS_80211_INFRA_INFRA
)
3171 last_event
= priv
->last_cqm_event_rssi
;
3172 thold
= priv
->cqm_rssi_thold
;
3173 hyst
= priv
->cqm_rssi_hyst
;
3175 if (rssi
< thold
&& (last_event
== 0 || rssi
< last_event
- hyst
))
3176 event
= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
;
3177 else if (rssi
> thold
&& (last_event
== 0 || rssi
> last_event
+ hyst
))
3178 event
= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
;
3182 priv
->last_cqm_event_rssi
= rssi
;
3183 cfg80211_cqm_rssi_notify(usbdev
->net
, event
, GFP_KERNEL
);
3186 #define DEVICE_POLLER_JIFFIES (HZ)
3187 static void rndis_device_poller(struct work_struct
*work
)
3189 struct rndis_wlan_private
*priv
=
3190 container_of(work
, struct rndis_wlan_private
,
3191 dev_poller_work
.work
);
3192 struct usbnet
*usbdev
= priv
->usbdev
;
3195 int update_jiffies
= DEVICE_POLLER_JIFFIES
;
3198 /* Only check/do workaround when connected. Calling is_associated()
3199 * also polls device with rndis_command() and catches for media link
3202 if (!is_associated(usbdev
)) {
3203 /* Workaround bad scanning in BCM4320a devices with active
3204 * background scanning when not associated.
3206 if (priv
->device_type
== RNDIS_BCM4320A
&& priv
->radio_on
&&
3207 !priv
->scan_request
) {
3208 /* Get previous scan results */
3209 rndis_check_bssid_list(usbdev
, NULL
, NULL
);
3211 /* Initiate new scan */
3212 rndis_start_bssid_list_scan(usbdev
);
3219 ret
= rndis_query_oid(usbdev
, RNDIS_OID_802_11_RSSI
,
3222 priv
->last_qual
= level_to_qual(le32_to_cpu(rssi
));
3223 rndis_do_cqm(usbdev
, le32_to_cpu(rssi
));
3226 netdev_dbg(usbdev
->net
, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3227 ret
, le32_to_cpu(rssi
), level_to_qual(le32_to_cpu(rssi
)));
3229 /* Workaround transfer stalls on poor quality links.
3230 * TODO: find right way to fix these stalls (as stalls do not happen
3231 * with ndiswrapper/windows driver). */
3232 if (priv
->param_workaround_interval
> 0 && priv
->last_qual
<= 25) {
3233 /* Decrease stats worker interval to catch stalls.
3234 * faster. Faster than 400-500ms causes packet loss,
3235 * Slower doesn't catch stalls fast enough.
3237 j
= msecs_to_jiffies(priv
->param_workaround_interval
);
3238 if (j
> DEVICE_POLLER_JIFFIES
)
3239 j
= DEVICE_POLLER_JIFFIES
;
3244 /* Send scan OID. Use of both OIDs is required to get device
3247 tmp
= cpu_to_le32(1);
3248 rndis_set_oid(usbdev
,
3249 RNDIS_OID_802_11_BSSID_LIST_SCAN
,
3252 len
= CONTROL_BUFFER_SIZE
;
3253 buf
= kmalloc(len
, GFP_KERNEL
);
3257 rndis_query_oid(usbdev
,
3258 RNDIS_OID_802_11_BSSID_LIST
,
3264 if (update_jiffies
>= HZ
)
3265 update_jiffies
= round_jiffies_relative(update_jiffies
);
3267 j
= round_jiffies_relative(update_jiffies
);
3268 if (abs(j
- update_jiffies
) <= 10)
3272 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
3277 * driver/device initialization
3279 static void rndis_copy_module_params(struct usbnet
*usbdev
, int device_type
)
3281 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3283 priv
->device_type
= device_type
;
3285 priv
->param_country
[0] = modparam_country
[0];
3286 priv
->param_country
[1] = modparam_country
[1];
3287 priv
->param_country
[2] = 0;
3288 priv
->param_frameburst
= modparam_frameburst
;
3289 priv
->param_afterburner
= modparam_afterburner
;
3290 priv
->param_power_save
= modparam_power_save
;
3291 priv
->param_power_output
= modparam_power_output
;
3292 priv
->param_roamtrigger
= modparam_roamtrigger
;
3293 priv
->param_roamdelta
= modparam_roamdelta
;
3295 priv
->param_country
[0] = toupper(priv
->param_country
[0]);
3296 priv
->param_country
[1] = toupper(priv
->param_country
[1]);
3297 /* doesn't support EU as country code, use FI instead */
3298 if (!strcmp(priv
->param_country
, "EU"))
3299 strcpy(priv
->param_country
, "FI");
3301 if (priv
->param_power_save
< 0)
3302 priv
->param_power_save
= 0;
3303 else if (priv
->param_power_save
> 2)
3304 priv
->param_power_save
= 2;
3306 if (priv
->param_power_output
< 0)
3307 priv
->param_power_output
= 0;
3308 else if (priv
->param_power_output
> 3)
3309 priv
->param_power_output
= 3;
3311 if (priv
->param_roamtrigger
< -80)
3312 priv
->param_roamtrigger
= -80;
3313 else if (priv
->param_roamtrigger
> -60)
3314 priv
->param_roamtrigger
= -60;
3316 if (priv
->param_roamdelta
< 0)
3317 priv
->param_roamdelta
= 0;
3318 else if (priv
->param_roamdelta
> 2)
3319 priv
->param_roamdelta
= 2;
3321 if (modparam_workaround_interval
< 0)
3322 priv
->param_workaround_interval
= 500;
3324 priv
->param_workaround_interval
= modparam_workaround_interval
;
3327 static int unknown_early_init(struct usbnet
*usbdev
)
3329 /* copy module parameters for unknown so that iwconfig reports txpower
3330 * and workaround parameter is copied to private structure correctly.
3332 rndis_copy_module_params(usbdev
, RNDIS_UNKNOWN
);
3334 /* This is unknown device, so do not try set configuration parameters.
3340 static int bcm4320a_early_init(struct usbnet
*usbdev
)
3342 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3343 * and workaround parameter is copied to private structure correctly.
3345 rndis_copy_module_params(usbdev
, RNDIS_BCM4320A
);
3347 /* bcm4320a doesn't handle configuration parameters well. Try
3348 * set any and you get partially zeroed mac and broken device.
3354 static int bcm4320b_early_init(struct usbnet
*usbdev
)
3356 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3359 rndis_copy_module_params(usbdev
, RNDIS_BCM4320B
);
3361 /* Early initialization settings, setting these won't have effect
3362 * if called after generic_rndis_bind().
3365 rndis_set_config_parameter_str(usbdev
, "Country", priv
->param_country
);
3366 rndis_set_config_parameter_str(usbdev
, "FrameBursting",
3367 priv
->param_frameburst
? "1" : "0");
3368 rndis_set_config_parameter_str(usbdev
, "Afterburner",
3369 priv
->param_afterburner
? "1" : "0");
3370 sprintf(buf
, "%d", priv
->param_power_save
);
3371 rndis_set_config_parameter_str(usbdev
, "PowerSaveMode", buf
);
3372 sprintf(buf
, "%d", priv
->param_power_output
);
3373 rndis_set_config_parameter_str(usbdev
, "PwrOut", buf
);
3374 sprintf(buf
, "%d", priv
->param_roamtrigger
);
3375 rndis_set_config_parameter_str(usbdev
, "RoamTrigger", buf
);
3376 sprintf(buf
, "%d", priv
->param_roamdelta
);
3377 rndis_set_config_parameter_str(usbdev
, "RoamDelta", buf
);
3382 /* same as rndis_netdev_ops but with local multicast handler */
3383 static const struct net_device_ops rndis_wlan_netdev_ops
= {
3384 .ndo_open
= usbnet_open
,
3385 .ndo_stop
= usbnet_stop
,
3386 .ndo_start_xmit
= usbnet_start_xmit
,
3387 .ndo_tx_timeout
= usbnet_tx_timeout
,
3388 .ndo_set_mac_address
= eth_mac_addr
,
3389 .ndo_validate_addr
= eth_validate_addr
,
3390 .ndo_set_rx_mode
= rndis_wlan_set_multicast_list
,
3393 static int rndis_wlan_bind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
3395 struct wiphy
*wiphy
;
3396 struct rndis_wlan_private
*priv
;
3400 /* allocate wiphy and rndis private data
3401 * NOTE: We only support a single virtual interface, so wiphy
3402 * and wireless_dev are somewhat synonymous for this device.
3404 wiphy
= wiphy_new(&rndis_config_ops
, sizeof(struct rndis_wlan_private
));
3408 priv
= wiphy_priv(wiphy
);
3409 usbdev
->net
->ieee80211_ptr
= &priv
->wdev
;
3410 priv
->wdev
.wiphy
= wiphy
;
3411 priv
->wdev
.iftype
= NL80211_IFTYPE_STATION
;
3413 /* These have to be initialized before calling generic_rndis_bind().
3414 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3416 usbdev
->driver_priv
= priv
;
3417 priv
->usbdev
= usbdev
;
3419 mutex_init(&priv
->command_lock
);
3421 /* because rndis_command() sleeps we need to use workqueue */
3422 priv
->workqueue
= create_singlethread_workqueue("rndis_wlan");
3423 INIT_WORK(&priv
->work
, rndis_wlan_worker
);
3424 INIT_DELAYED_WORK(&priv
->dev_poller_work
, rndis_device_poller
);
3425 INIT_DELAYED_WORK(&priv
->scan_work
, rndis_get_scan_results
);
3427 /* try bind rndis_host */
3428 retval
= generic_rndis_bind(usbdev
, intf
, FLAG_RNDIS_PHYM_WIRELESS
);
3432 /* generic_rndis_bind set packet filter to multicast_all+
3433 * promisc mode which doesn't work well for our devices (device
3434 * picks up rssi to closest station instead of to access point).
3436 * rndis_host wants to avoid all OID as much as possible
3437 * so do promisc/multicast handling in rndis_wlan.
3439 usbdev
->net
->netdev_ops
= &rndis_wlan_netdev_ops
;
3441 tmp
= cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED
| RNDIS_PACKET_TYPE_BROADCAST
);
3442 retval
= rndis_set_oid(usbdev
,
3443 RNDIS_OID_GEN_CURRENT_PACKET_FILTER
,
3447 retval
= rndis_query_oid(usbdev
,
3448 RNDIS_OID_802_3_MAXIMUM_LIST_SIZE
,
3450 priv
->multicast_size
= le32_to_cpu(tmp
);
3451 if (retval
< 0 || priv
->multicast_size
< 0)
3452 priv
->multicast_size
= 0;
3453 if (priv
->multicast_size
> 0)
3454 usbdev
->net
->flags
|= IFF_MULTICAST
;
3456 usbdev
->net
->flags
&= ~IFF_MULTICAST
;
3458 /* fill-out wiphy structure and register w/ cfg80211 */
3459 memcpy(wiphy
->perm_addr
, usbdev
->net
->dev_addr
, ETH_ALEN
);
3460 wiphy
->privid
= rndis_wiphy_privid
;
3461 wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
)
3462 | BIT(NL80211_IFTYPE_ADHOC
);
3463 wiphy
->max_scan_ssids
= 1;
3465 /* TODO: fill-out band/encr information based on priv->caps */
3466 rndis_wlan_get_caps(usbdev
, wiphy
);
3468 memcpy(priv
->channels
, rndis_channels
, sizeof(rndis_channels
));
3469 memcpy(priv
->rates
, rndis_rates
, sizeof(rndis_rates
));
3470 priv
->band
.channels
= priv
->channels
;
3471 priv
->band
.n_channels
= ARRAY_SIZE(rndis_channels
);
3472 priv
->band
.bitrates
= priv
->rates
;
3473 priv
->band
.n_bitrates
= ARRAY_SIZE(rndis_rates
);
3474 wiphy
->bands
[IEEE80211_BAND_2GHZ
] = &priv
->band
;
3475 wiphy
->signal_type
= CFG80211_SIGNAL_TYPE_UNSPEC
;
3477 memcpy(priv
->cipher_suites
, rndis_cipher_suites
,
3478 sizeof(rndis_cipher_suites
));
3479 wiphy
->cipher_suites
= priv
->cipher_suites
;
3480 wiphy
->n_cipher_suites
= ARRAY_SIZE(rndis_cipher_suites
);
3482 set_wiphy_dev(wiphy
, &usbdev
->udev
->dev
);
3484 if (wiphy_register(wiphy
)) {
3489 set_default_iw_params(usbdev
);
3491 priv
->power_mode
= -1;
3493 /* set default rts/frag */
3494 rndis_set_wiphy_params(wiphy
,
3495 WIPHY_PARAM_FRAG_THRESHOLD
| WIPHY_PARAM_RTS_THRESHOLD
);
3497 /* turn radio off on init */
3498 priv
->radio_on
= false;
3499 disassociate(usbdev
, false);
3500 netif_carrier_off(usbdev
->net
);
3505 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3506 cancel_delayed_work_sync(&priv
->scan_work
);
3507 cancel_work_sync(&priv
->work
);
3508 flush_workqueue(priv
->workqueue
);
3509 destroy_workqueue(priv
->workqueue
);
3515 static void rndis_wlan_unbind(struct usbnet
*usbdev
, struct usb_interface
*intf
)
3517 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3519 /* turn radio off */
3520 disassociate(usbdev
, false);
3522 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3523 cancel_delayed_work_sync(&priv
->scan_work
);
3524 cancel_work_sync(&priv
->work
);
3525 flush_workqueue(priv
->workqueue
);
3526 destroy_workqueue(priv
->workqueue
);
3528 rndis_unbind(usbdev
, intf
);
3530 wiphy_unregister(priv
->wdev
.wiphy
);
3531 wiphy_free(priv
->wdev
.wiphy
);
3534 static int rndis_wlan_reset(struct usbnet
*usbdev
)
3536 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3539 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
3541 retval
= rndis_reset(usbdev
);
3543 netdev_warn(usbdev
->net
, "rndis_reset failed: %d\n", retval
);
3545 /* rndis_reset cleared multicast list, so restore here.
3546 (set_multicast_list() also turns on current packet filter) */
3547 set_multicast_list(usbdev
);
3549 queue_delayed_work(priv
->workqueue
, &priv
->dev_poller_work
,
3550 round_jiffies_relative(DEVICE_POLLER_JIFFIES
));
3552 return deauthenticate(usbdev
);
3555 static int rndis_wlan_stop(struct usbnet
*usbdev
)
3557 struct rndis_wlan_private
*priv
= get_rndis_wlan_priv(usbdev
);
3561 netdev_dbg(usbdev
->net
, "%s()\n", __func__
);
3563 retval
= disassociate(usbdev
, false);
3565 priv
->work_pending
= 0;
3566 cancel_delayed_work_sync(&priv
->dev_poller_work
);
3567 cancel_delayed_work_sync(&priv
->scan_work
);
3568 cancel_work_sync(&priv
->work
);
3569 flush_workqueue(priv
->workqueue
);
3571 if (priv
->scan_request
) {
3572 cfg80211_scan_done(priv
->scan_request
, true);
3573 priv
->scan_request
= NULL
;
3576 /* Set current packet filter zero to block receiving data packets from
3579 rndis_set_oid(usbdev
, RNDIS_OID_GEN_CURRENT_PACKET_FILTER
, &filter
,
3585 static const struct driver_info bcm4320b_info
= {
3586 .description
= "Wireless RNDIS device, BCM4320b based",
3587 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3588 FLAG_AVOID_UNLINK_URBS
,
3589 .bind
= rndis_wlan_bind
,
3590 .unbind
= rndis_wlan_unbind
,
3591 .status
= rndis_status
,
3592 .rx_fixup
= rndis_rx_fixup
,
3593 .tx_fixup
= rndis_tx_fixup
,
3594 .reset
= rndis_wlan_reset
,
3595 .stop
= rndis_wlan_stop
,
3596 .early_init
= bcm4320b_early_init
,
3597 .indication
= rndis_wlan_indication
,
3600 static const struct driver_info bcm4320a_info
= {
3601 .description
= "Wireless RNDIS device, BCM4320a based",
3602 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3603 FLAG_AVOID_UNLINK_URBS
,
3604 .bind
= rndis_wlan_bind
,
3605 .unbind
= rndis_wlan_unbind
,
3606 .status
= rndis_status
,
3607 .rx_fixup
= rndis_rx_fixup
,
3608 .tx_fixup
= rndis_tx_fixup
,
3609 .reset
= rndis_wlan_reset
,
3610 .stop
= rndis_wlan_stop
,
3611 .early_init
= bcm4320a_early_init
,
3612 .indication
= rndis_wlan_indication
,
3615 static const struct driver_info rndis_wlan_info
= {
3616 .description
= "Wireless RNDIS device",
3617 .flags
= FLAG_WLAN
| FLAG_FRAMING_RN
| FLAG_NO_SETINT
|
3618 FLAG_AVOID_UNLINK_URBS
,
3619 .bind
= rndis_wlan_bind
,
3620 .unbind
= rndis_wlan_unbind
,
3621 .status
= rndis_status
,
3622 .rx_fixup
= rndis_rx_fixup
,
3623 .tx_fixup
= rndis_tx_fixup
,
3624 .reset
= rndis_wlan_reset
,
3625 .stop
= rndis_wlan_stop
,
3626 .early_init
= unknown_early_init
,
3627 .indication
= rndis_wlan_indication
,
3630 /*-------------------------------------------------------------------------*/
3632 static const struct usb_device_id products
[] = {
3633 #define RNDIS_MASTER_INTERFACE \
3634 .bInterfaceClass = USB_CLASS_COMM, \
3635 .bInterfaceSubClass = 2 /* ACM */, \
3636 .bInterfaceProtocol = 0x0ff
3638 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3639 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3642 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3643 | USB_DEVICE_ID_MATCH_DEVICE
,
3645 .idProduct
= 0x00bc, /* Buffalo WLI-U2-KG125S */
3646 RNDIS_MASTER_INTERFACE
,
3647 .driver_info
= (unsigned long) &bcm4320b_info
,
3649 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3650 | USB_DEVICE_ID_MATCH_DEVICE
,
3652 .idProduct
= 0x011b, /* U.S. Robotics USR5421 */
3653 RNDIS_MASTER_INTERFACE
,
3654 .driver_info
= (unsigned long) &bcm4320b_info
,
3656 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3657 | USB_DEVICE_ID_MATCH_DEVICE
,
3659 .idProduct
= 0x011b, /* Belkin F5D7051 */
3660 RNDIS_MASTER_INTERFACE
,
3661 .driver_info
= (unsigned long) &bcm4320b_info
,
3663 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3664 | USB_DEVICE_ID_MATCH_DEVICE
,
3665 .idVendor
= 0x1799, /* Belkin has two vendor ids */
3666 .idProduct
= 0x011b, /* Belkin F5D7051 */
3667 RNDIS_MASTER_INTERFACE
,
3668 .driver_info
= (unsigned long) &bcm4320b_info
,
3670 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3671 | USB_DEVICE_ID_MATCH_DEVICE
,
3673 .idProduct
= 0x0014, /* Linksys WUSB54GSv2 */
3674 RNDIS_MASTER_INTERFACE
,
3675 .driver_info
= (unsigned long) &bcm4320b_info
,
3677 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3678 | USB_DEVICE_ID_MATCH_DEVICE
,
3680 .idProduct
= 0x0026, /* Linksys WUSB54GSC */
3681 RNDIS_MASTER_INTERFACE
,
3682 .driver_info
= (unsigned long) &bcm4320b_info
,
3684 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3685 | USB_DEVICE_ID_MATCH_DEVICE
,
3687 .idProduct
= 0x1717, /* Asus WL169gE */
3688 RNDIS_MASTER_INTERFACE
,
3689 .driver_info
= (unsigned long) &bcm4320b_info
,
3691 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3692 | USB_DEVICE_ID_MATCH_DEVICE
,
3694 .idProduct
= 0xd11b, /* Eminent EM4045 */
3695 RNDIS_MASTER_INTERFACE
,
3696 .driver_info
= (unsigned long) &bcm4320b_info
,
3698 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3699 | USB_DEVICE_ID_MATCH_DEVICE
,
3701 .idProduct
= 0x0715, /* BT Voyager 1055 */
3702 RNDIS_MASTER_INTERFACE
,
3703 .driver_info
= (unsigned long) &bcm4320b_info
,
3705 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3706 * parameters available, hardware probably contain older firmware version with
3707 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3710 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3711 | USB_DEVICE_ID_MATCH_DEVICE
,
3713 .idProduct
= 0x000e, /* Linksys WUSB54GSv1 */
3714 RNDIS_MASTER_INTERFACE
,
3715 .driver_info
= (unsigned long) &bcm4320a_info
,
3717 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3718 | USB_DEVICE_ID_MATCH_DEVICE
,
3720 .idProduct
= 0x0111, /* U.S. Robotics USR5420 */
3721 RNDIS_MASTER_INTERFACE
,
3722 .driver_info
= (unsigned long) &bcm4320a_info
,
3724 .match_flags
= USB_DEVICE_ID_MATCH_INT_INFO
3725 | USB_DEVICE_ID_MATCH_DEVICE
,
3727 .idProduct
= 0x004b, /* BUFFALO WLI-USB-G54 */
3728 RNDIS_MASTER_INTERFACE
,
3729 .driver_info
= (unsigned long) &bcm4320a_info
,
3731 /* Generic Wireless RNDIS devices that we don't have exact
3732 * idVendor/idProduct/chip yet.
3735 /* RNDIS is MSFT's un-official variant of CDC ACM */
3736 USB_INTERFACE_INFO(USB_CLASS_COMM
, 2 /* ACM */, 0x0ff),
3737 .driver_info
= (unsigned long) &rndis_wlan_info
,
3739 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3740 USB_INTERFACE_INFO(USB_CLASS_MISC
, 1, 1),
3741 .driver_info
= (unsigned long) &rndis_wlan_info
,
3745 MODULE_DEVICE_TABLE(usb
, products
);
3747 static struct usb_driver rndis_wlan_driver
= {
3748 .name
= "rndis_wlan",
3749 .id_table
= products
,
3750 .probe
= usbnet_probe
,
3751 .disconnect
= usbnet_disconnect
,
3752 .suspend
= usbnet_suspend
,
3753 .resume
= usbnet_resume
,
3754 .disable_hub_initiated_lpm
= 1,
3757 module_usb_driver(rndis_wlan_driver
);
3759 MODULE_AUTHOR("Bjorge Dijkstra");
3760 MODULE_AUTHOR("Jussi Kivilinna");
3761 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3762 MODULE_LICENSE("GPL");