2 * Driver for RNDIS based wireless USB devices.
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/workqueue.h>
35 #include <linux/mutex.h>
36 #include <linux/mii.h>
37 #include <linux/usb.h>
38 #include <linux/usb/cdc.h>
39 #include <linux/wireless.h>
40 #include <linux/ieee80211.h>
41 #include <linux/if_arp.h>
42 #include <linux/ctype.h>
43 #include <linux/spinlock.h>
44 #include <net/iw_handler.h>
45 #include <net/cfg80211.h>
46 #include <linux/usb/usbnet.h>
47 #include <linux/usb/rndis_host.h>
50 /* NOTE: All these are settings for Broadcom chipset */
51 static char modparam_country[4] = "EU";
52 module_param_string(country, modparam_country, 4, 0444);
53 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
55 static int modparam_frameburst = 1;
56 module_param_named(frameburst, modparam_frameburst, int, 0444);
57 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
59 static int modparam_afterburner = 0;
60 module_param_named(afterburner, modparam_afterburner, int, 0444);
61 MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
64 static int modparam_power_save = 0;
65 module_param_named(power_save, modparam_power_save, int, 0444);
66 MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
69 static int modparam_power_output = 3;
70 module_param_named(power_output, modparam_power_output, int, 0444);
71 MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
74 static int modparam_roamtrigger = -70;
75 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76 MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
80 static int modparam_roamdelta = 1;
81 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82 MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
86 static int modparam_workaround_interval = 500;
87 module_param_named(workaround_interval, modparam_workaround_interval,
89 MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
93 /* various RNDIS OID defs */
94 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
97 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
103 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
107 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134 #define WL_NOISE -96 /* typical noise level in dBm */
135 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
152 /* codes for "status" field of completion messages */
153 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
160 #define NDIS_802_11_LENGTH_SSID 32
161 #define NDIS_802_11_LENGTH_RATES 8
162 #define NDIS_802_11_LENGTH_RATES_EX 16
164 enum ndis_80211_net_type {
165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
171 enum ndis_80211_net_infra {
172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
177 enum ndis_80211_auth_mode {
178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
188 enum ndis_80211_encr_status {
189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
199 enum ndis_80211_priv_filter {
200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
204 enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
211 enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
216 enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
222 enum ndis_80211_addkey_bits {
223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
229 enum ndis_80211_addwep_bits {
230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
234 struct ndis_80211_auth_request {
239 } __attribute__((packed));
241 struct ndis_80211_pmkid_candidate {
245 } __attribute__((packed));
247 struct ndis_80211_pmkid_cand_list {
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251 } __attribute__((packed));
253 struct ndis_80211_status_indication {
256 __le32 media_stream_mode;
258 struct ndis_80211_auth_request auth_request[0];
259 struct ndis_80211_pmkid_cand_list cand_list;
261 } __attribute__((packed));
263 struct ndis_80211_ssid {
265 u8 essid[NDIS_802_11_LENGTH_SSID];
266 } __attribute__((packed));
268 struct ndis_80211_conf_freq_hop {
273 } __attribute__((packed));
275 struct ndis_80211_conf {
277 __le32 beacon_period;
280 struct ndis_80211_conf_freq_hop fh_config;
281 } __attribute__((packed));
283 struct ndis_80211_bssid_ex {
287 struct ndis_80211_ssid ssid;
291 struct ndis_80211_conf config;
293 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
296 } __attribute__((packed));
298 struct ndis_80211_bssid_list_ex {
300 struct ndis_80211_bssid_ex bssid[0];
301 } __attribute__((packed));
303 struct ndis_80211_fixed_ies {
305 __le16 beacon_interval;
307 } __attribute__((packed));
309 struct ndis_80211_wep_key {
314 } __attribute__((packed));
316 struct ndis_80211_key {
324 } __attribute__((packed));
326 struct ndis_80211_remove_key {
331 } __attribute__((packed));
333 struct ndis_config_param {
339 } __attribute__((packed));
341 struct ndis_80211_assoc_info {
346 __le16 listen_interval;
347 u8 cur_ap_address[6];
349 __le32 req_ie_length;
350 __le32 offset_req_ies;
357 __le32 resp_ie_length;
358 __le32 offset_resp_ies;
359 } __attribute__((packed));
364 #define NET_TYPE_11FB 0
366 #define CAP_MODE_80211A 1
367 #define CAP_MODE_80211B 2
368 #define CAP_MODE_80211G 4
369 #define CAP_MODE_MASK 7
371 #define WORK_LINK_UP (1<<0)
372 #define WORK_LINK_DOWN (1<<1)
373 #define WORK_SET_MULTICAST_LIST (1<<2)
375 #define RNDIS_WLAN_ALG_NONE 0
376 #define RNDIS_WLAN_ALG_WEP (1<<0)
377 #define RNDIS_WLAN_ALG_TKIP (1<<1)
378 #define RNDIS_WLAN_ALG_CCMP (1<<2)
380 #define RNDIS_WLAN_KEY_MGMT_NONE 0
381 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
382 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
384 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
386 static const struct ieee80211_channel rndis_channels[] = {
387 { .center_freq = 2412 },
388 { .center_freq = 2417 },
389 { .center_freq = 2422 },
390 { .center_freq = 2427 },
391 { .center_freq = 2432 },
392 { .center_freq = 2437 },
393 { .center_freq = 2442 },
394 { .center_freq = 2447 },
395 { .center_freq = 2452 },
396 { .center_freq = 2457 },
397 { .center_freq = 2462 },
398 { .center_freq = 2467 },
399 { .center_freq = 2472 },
400 { .center_freq = 2484 },
403 static const struct ieee80211_rate rndis_rates[] = {
405 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
406 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
407 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
418 static const u32 rndis_cipher_suites[] = {
419 WLAN_CIPHER_SUITE_WEP40,
420 WLAN_CIPHER_SUITE_WEP104,
421 WLAN_CIPHER_SUITE_TKIP,
422 WLAN_CIPHER_SUITE_CCMP,
425 struct rndis_wlan_encr_key {
434 /* RNDIS device private data */
435 struct rndis_wlan_private {
436 struct usbnet *usbdev;
438 struct wireless_dev wdev;
440 struct cfg80211_scan_request *scan_request;
442 struct workqueue_struct *workqueue;
443 struct delayed_work dev_poller_work;
444 struct delayed_work scan_work;
445 struct work_struct work;
446 struct mutex command_lock;
447 unsigned long work_pending;
450 struct ieee80211_supported_band band;
451 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
452 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
453 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
458 /* module parameters */
459 char param_country[4];
460 int param_frameburst;
461 int param_afterburner;
462 int param_power_save;
463 int param_power_output;
464 int param_roamtrigger;
466 u32 param_workaround_interval;
473 struct ndis_80211_ssid essid;
474 __le32 current_command_oid;
476 /* encryption stuff */
477 int encr_tx_key_index;
478 struct rndis_wlan_encr_key encr_keys[4];
479 enum nl80211_auth_type wpa_auth_type;
485 int wpa_cipher_group;
487 u8 command_buffer[COMMAND_BUFFER_SIZE];
493 static int rndis_change_virtual_intf(struct wiphy *wiphy,
494 struct net_device *dev,
495 enum nl80211_iftype type, u32 *flags,
496 struct vif_params *params);
498 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
499 struct cfg80211_scan_request *request);
501 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
503 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
505 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
507 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
508 struct cfg80211_connect_params *sme);
510 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
513 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
514 struct cfg80211_ibss_params *params);
516 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
518 static int rndis_set_channel(struct wiphy *wiphy,
519 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
521 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
522 u8 key_index, const u8 *mac_addr,
523 struct key_params *params);
525 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
526 u8 key_index, const u8 *mac_addr);
528 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
531 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
532 u8 *mac, struct station_info *sinfo);
534 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
535 int idx, u8 *mac, struct station_info *sinfo);
537 static struct cfg80211_ops rndis_config_ops = {
538 .change_virtual_intf = rndis_change_virtual_intf,
540 .set_wiphy_params = rndis_set_wiphy_params,
541 .set_tx_power = rndis_set_tx_power,
542 .get_tx_power = rndis_get_tx_power,
543 .connect = rndis_connect,
544 .disconnect = rndis_disconnect,
545 .join_ibss = rndis_join_ibss,
546 .leave_ibss = rndis_leave_ibss,
547 .set_channel = rndis_set_channel,
548 .add_key = rndis_add_key,
549 .del_key = rndis_del_key,
550 .set_default_key = rndis_set_default_key,
551 .get_station = rndis_get_station,
552 .dump_station = rndis_dump_station,
555 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
558 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
560 return (struct rndis_wlan_private *)dev->driver_priv;
563 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
565 switch (priv->param_power_output) {
568 return BCM4320_DEFAULT_TXPOWER_DBM_100;
570 return BCM4320_DEFAULT_TXPOWER_DBM_75;
572 return BCM4320_DEFAULT_TXPOWER_DBM_50;
574 return BCM4320_DEFAULT_TXPOWER_DBM_25;
578 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
580 int cipher = priv->encr_keys[idx].cipher;
582 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
583 cipher == WLAN_CIPHER_SUITE_TKIP);
586 static int rndis_cipher_to_alg(u32 cipher)
590 return RNDIS_WLAN_ALG_NONE;
591 case WLAN_CIPHER_SUITE_WEP40:
592 case WLAN_CIPHER_SUITE_WEP104:
593 return RNDIS_WLAN_ALG_WEP;
594 case WLAN_CIPHER_SUITE_TKIP:
595 return RNDIS_WLAN_ALG_TKIP;
596 case WLAN_CIPHER_SUITE_CCMP:
597 return RNDIS_WLAN_ALG_CCMP;
601 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
605 return RNDIS_WLAN_KEY_MGMT_NONE;
606 case WLAN_AKM_SUITE_8021X:
607 return RNDIS_WLAN_KEY_MGMT_802_1X;
608 case WLAN_AKM_SUITE_PSK:
609 return RNDIS_WLAN_KEY_MGMT_PSK;
614 static const char *oid_to_string(__le32 oid)
617 #define OID_STR(oid) case oid: return(#oid)
618 /* from rndis_host.h */
619 OID_STR(OID_802_3_PERMANENT_ADDRESS);
620 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
621 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
622 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
624 /* from rndis_wlan.c */
625 OID_STR(OID_GEN_LINK_SPEED);
626 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
628 OID_STR(OID_GEN_XMIT_OK);
629 OID_STR(OID_GEN_RCV_OK);
630 OID_STR(OID_GEN_XMIT_ERROR);
631 OID_STR(OID_GEN_RCV_ERROR);
632 OID_STR(OID_GEN_RCV_NO_BUFFER);
634 OID_STR(OID_802_3_CURRENT_ADDRESS);
635 OID_STR(OID_802_3_MULTICAST_LIST);
636 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
638 OID_STR(OID_802_11_BSSID);
639 OID_STR(OID_802_11_SSID);
640 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
641 OID_STR(OID_802_11_ADD_WEP);
642 OID_STR(OID_802_11_REMOVE_WEP);
643 OID_STR(OID_802_11_DISASSOCIATE);
644 OID_STR(OID_802_11_AUTHENTICATION_MODE);
645 OID_STR(OID_802_11_PRIVACY_FILTER);
646 OID_STR(OID_802_11_BSSID_LIST_SCAN);
647 OID_STR(OID_802_11_ENCRYPTION_STATUS);
648 OID_STR(OID_802_11_ADD_KEY);
649 OID_STR(OID_802_11_REMOVE_KEY);
650 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
651 OID_STR(OID_802_11_PMKID);
652 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
653 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
654 OID_STR(OID_802_11_TX_POWER_LEVEL);
655 OID_STR(OID_802_11_RSSI);
656 OID_STR(OID_802_11_RSSI_TRIGGER);
657 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
658 OID_STR(OID_802_11_RTS_THRESHOLD);
659 OID_STR(OID_802_11_SUPPORTED_RATES);
660 OID_STR(OID_802_11_CONFIGURATION);
661 OID_STR(OID_802_11_BSSID_LIST);
668 static const char *oid_to_string(__le32 oid)
674 /* translate error code */
675 static int rndis_error_status(__le32 rndis_status)
678 switch (rndis_status) {
679 case RNDIS_STATUS_SUCCESS:
682 case RNDIS_STATUS_FAILURE:
683 case RNDIS_STATUS_INVALID_DATA:
686 case RNDIS_STATUS_NOT_SUPPORTED:
689 case RNDIS_STATUS_ADAPTER_NOT_READY:
690 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
697 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
699 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
702 struct rndis_msg_hdr *header;
703 struct rndis_query *get;
704 struct rndis_query_c *get_c;
708 buflen = *len + sizeof(*u.get);
709 if (buflen < CONTROL_BUFFER_SIZE)
710 buflen = CONTROL_BUFFER_SIZE;
712 if (buflen > COMMAND_BUFFER_SIZE) {
713 u.buf = kmalloc(buflen, GFP_KERNEL);
717 u.buf = priv->command_buffer;
720 mutex_lock(&priv->command_lock);
722 memset(u.get, 0, sizeof *u.get);
723 u.get->msg_type = RNDIS_MSG_QUERY;
724 u.get->msg_len = cpu_to_le32(sizeof *u.get);
727 priv->current_command_oid = oid;
728 ret = rndis_command(dev, u.header, buflen);
729 priv->current_command_oid = 0;
731 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
732 "(%08x)", oid_to_string(oid), ret,
733 le32_to_cpu(u.get_c->status));
736 ret = le32_to_cpu(u.get_c->len);
739 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
740 ret = rndis_error_status(u.get_c->status);
743 devdbg(dev, "rndis_query_oid(%s): device returned "
744 "error, 0x%08x (%d)", oid_to_string(oid),
745 le32_to_cpu(u.get_c->status), ret);
748 mutex_unlock(&priv->command_lock);
750 if (u.buf != priv->command_buffer)
755 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
757 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
760 struct rndis_msg_hdr *header;
761 struct rndis_set *set;
762 struct rndis_set_c *set_c;
766 buflen = len + sizeof(*u.set);
767 if (buflen < CONTROL_BUFFER_SIZE)
768 buflen = CONTROL_BUFFER_SIZE;
770 if (buflen > COMMAND_BUFFER_SIZE) {
771 u.buf = kmalloc(buflen, GFP_KERNEL);
775 u.buf = priv->command_buffer;
778 mutex_lock(&priv->command_lock);
780 memset(u.set, 0, sizeof *u.set);
781 u.set->msg_type = RNDIS_MSG_SET;
782 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
784 u.set->len = cpu_to_le32(len);
785 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
786 u.set->handle = cpu_to_le32(0);
787 memcpy(u.buf + sizeof(*u.set), data, len);
789 priv->current_command_oid = oid;
790 ret = rndis_command(dev, u.header, buflen);
791 priv->current_command_oid = 0;
793 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
794 "(%08x)", oid_to_string(oid), ret,
795 le32_to_cpu(u.set_c->status));
798 ret = rndis_error_status(u.set_c->status);
801 devdbg(dev, "rndis_set_oid(%s): device returned error, "
802 "0x%08x (%d)", oid_to_string(oid),
803 le32_to_cpu(u.set_c->status), ret);
806 mutex_unlock(&priv->command_lock);
808 if (u.buf != priv->command_buffer)
813 static int rndis_reset(struct usbnet *usbdev)
815 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
816 struct rndis_reset *reset;
819 mutex_lock(&priv->command_lock);
821 reset = (void *)priv->command_buffer;
822 memset(reset, 0, sizeof(*reset));
823 reset->msg_type = RNDIS_MSG_RESET;
824 reset->msg_len = cpu_to_le32(sizeof(*reset));
825 priv->current_command_oid = 0;
826 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
828 mutex_unlock(&priv->command_lock);
836 * Specs say that we can only set config parameters only soon after device
838 * value_type: 0 = u32, 2 = unicode string
840 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
841 int value_type, void *value)
843 struct ndis_config_param *infobuf;
844 int value_len, info_len, param_len, ret, i;
849 value_len = sizeof(__le32);
850 else if (value_type == 2)
851 value_len = strlen(value) * sizeof(__le16);
855 param_len = strlen(param) * sizeof(__le16);
856 info_len = sizeof(*infobuf) + param_len + value_len;
861 infobuf = kmalloc(info_len, GFP_KERNEL);
867 /* extra 12 bytes are for padding (debug output) */
868 memset(infobuf, 0xCC, info_len + 12);
872 devdbg(dev, "setting config parameter: %s, value: %s",
875 devdbg(dev, "setting config parameter: %s, value: %d",
876 param, *(u32 *)value);
878 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
879 infobuf->name_length = cpu_to_le32(param_len);
880 infobuf->type = cpu_to_le32(value_type);
881 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
882 infobuf->value_length = cpu_to_le32(value_len);
884 /* simple string to unicode string conversion */
885 unibuf = (void *)infobuf + sizeof(*infobuf);
886 for (i = 0; i < param_len / sizeof(__le16); i++)
887 unibuf[i] = cpu_to_le16(param[i]);
889 if (value_type == 2) {
890 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
891 for (i = 0; i < value_len / sizeof(__le16); i++)
892 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
894 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
895 *dst_value = cpu_to_le32(*(u32 *)value);
899 devdbg(dev, "info buffer (len: %d):", info_len);
900 for (i = 0; i < info_len; i += 12) {
901 u32 *tmp = (u32 *)((u8 *)infobuf + i);
902 devdbg(dev, "%08X:%08X:%08X",
905 cpu_to_be32(tmp[2]));
909 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
912 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
918 static int rndis_set_config_parameter_str(struct usbnet *dev,
919 char *param, char *value)
921 return rndis_set_config_parameter(dev, param, 2, value);
925 * data conversion functions
927 static int level_to_qual(int level)
929 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
930 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
936 static int set_infra_mode(struct usbnet *usbdev, int mode);
937 static void restore_keys(struct usbnet *usbdev);
938 static int rndis_check_bssid_list(struct usbnet *usbdev);
940 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
942 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
945 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
947 devwarn(usbdev, "setting SSID failed (%08X)", ret);
951 memcpy(&priv->essid, ssid, sizeof(priv->essid));
952 priv->radio_on = true;
953 devdbg(usbdev, "set_essid: radio_on = true");
959 static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
963 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
965 devwarn(usbdev, "setting BSSID[%pM] failed (%08X)", bssid, ret);
972 static int clear_bssid(struct usbnet *usbdev)
974 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
976 return set_bssid(usbdev, broadcast_mac);
979 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
984 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
987 memset(bssid, 0, ETH_ALEN);
992 static int get_association_info(struct usbnet *usbdev,
993 struct ndis_80211_assoc_info *info, int len)
995 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
999 static bool is_associated(struct usbnet *usbdev)
1001 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1005 if (!priv->radio_on)
1008 ret = get_bssid(usbdev, bssid);
1010 return (ret == 0 && !is_zero_ether_addr(bssid));
1013 static int disassociate(struct usbnet *usbdev, bool reset_ssid)
1015 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1016 struct ndis_80211_ssid ssid;
1019 if (priv->radio_on) {
1020 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1022 priv->radio_on = false;
1023 devdbg(usbdev, "disassociate: radio_on = false");
1030 /* disassociate causes radio to be turned off; if reset_ssid
1031 * is given, set random ssid to enable radio */
1033 /* Set device to infrastructure mode so we don't get ad-hoc
1034 * 'media connect' indications with the random ssid.
1036 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1038 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1039 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1040 ssid.essid[0] = 0x1;
1041 ssid.essid[1] = 0xff;
1042 for (i = 2; i < sizeof(ssid.essid); i++)
1043 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1044 ret = set_essid(usbdev, &ssid);
1049 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1050 enum nl80211_auth_type auth_type, int keymgmt)
1052 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1056 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1057 "keymgmt=0x%x", wpa_version, auth_type, keymgmt);
1059 if (wpa_version & NL80211_WPA_VERSION_2) {
1060 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1061 auth_mode = NDIS_80211_AUTH_WPA2;
1063 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1064 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1065 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1066 auth_mode = NDIS_80211_AUTH_WPA;
1067 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1068 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1070 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1071 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1072 auth_mode = NDIS_80211_AUTH_SHARED;
1073 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1074 auth_mode = NDIS_80211_AUTH_OPEN;
1075 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1076 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1080 tmp = cpu_to_le32(auth_mode);
1081 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1084 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1088 priv->wpa_version = wpa_version;
1089 priv->wpa_auth_type = auth_type;
1090 priv->wpa_keymgmt = keymgmt;
1095 static int set_priv_filter(struct usbnet *usbdev)
1097 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1100 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1102 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1103 priv->wpa_version & NL80211_WPA_VERSION_1)
1104 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1106 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1108 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1112 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1114 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1118 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1119 pairwise, groupwise);
1121 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1122 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1123 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1124 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1125 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1126 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1127 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1128 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1129 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1130 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1132 encr_mode = NDIS_80211_ENCR_DISABLED;
1134 tmp = cpu_to_le32(encr_mode);
1135 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1138 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1142 priv->wpa_cipher_pair = pairwise;
1143 priv->wpa_cipher_group = groupwise;
1147 static int set_infra_mode(struct usbnet *usbdev, int mode)
1149 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1153 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1155 tmp = cpu_to_le32(mode);
1156 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1159 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1163 /* NDIS drivers clear keys when infrastructure mode is
1164 * changed. But Linux tools assume otherwise. So set the
1166 restore_keys(usbdev);
1168 priv->infra_mode = mode;
1172 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1176 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1178 if (rts_threshold < 0 || rts_threshold > 2347)
1179 rts_threshold = 2347;
1181 tmp = cpu_to_le32(rts_threshold);
1182 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1186 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1190 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1192 if (frag_threshold < 256 || frag_threshold > 2346)
1193 frag_threshold = 2346;
1195 tmp = cpu_to_le32(frag_threshold);
1196 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1200 static void set_default_iw_params(struct usbnet *usbdev)
1202 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1203 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1204 RNDIS_WLAN_KEY_MGMT_NONE);
1205 set_priv_filter(usbdev);
1206 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1209 static int deauthenticate(struct usbnet *usbdev)
1213 ret = disassociate(usbdev, true);
1214 set_default_iw_params(usbdev);
1218 static int set_channel(struct usbnet *usbdev, int channel)
1220 struct ndis_80211_conf config;
1221 unsigned int dsconfig;
1224 devdbg(usbdev, "set_channel(%d)", channel);
1226 /* this OID is valid only when not associated */
1227 if (is_associated(usbdev))
1230 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1232 len = sizeof(config);
1233 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1235 devdbg(usbdev, "set_channel: querying configuration failed");
1239 config.ds_config = cpu_to_le32(dsconfig);
1240 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1243 devdbg(usbdev, "set_channel: %d -> %d", channel, ret);
1248 /* index must be 0 - N, as per NDIS */
1249 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1252 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1253 struct ndis_80211_wep_key ndis_key;
1257 devdbg(usbdev, "add_wep_key(idx: %d, len: %d)", index, key_len);
1259 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1263 cipher = WLAN_CIPHER_SUITE_WEP40;
1265 cipher = WLAN_CIPHER_SUITE_WEP104;
1267 memset(&ndis_key, 0, sizeof(ndis_key));
1269 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1270 ndis_key.length = cpu_to_le32(key_len);
1271 ndis_key.index = cpu_to_le32(index);
1272 memcpy(&ndis_key.material, key, key_len);
1274 if (index == priv->encr_tx_key_index) {
1275 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1276 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1277 RNDIS_WLAN_ALG_NONE);
1279 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1283 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1286 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1291 priv->encr_keys[index].len = key_len;
1292 priv->encr_keys[index].cipher = cipher;
1293 memcpy(&priv->encr_keys[index].material, key, key_len);
1294 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1299 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1300 int index, const u8 *addr, const u8 *rx_seq,
1301 int seq_len, u32 cipher, __le32 flags)
1303 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1304 struct ndis_80211_key ndis_key;
1308 if (index < 0 || index >= 4) {
1309 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
1312 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1313 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1317 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1318 if (!rx_seq || seq_len <= 0) {
1319 devdbg(usbdev, "add_wpa_key: recv seq flag without"
1323 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1324 devdbg(usbdev, "add_wpa_key: too big recv seq buffer");
1329 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1330 !is_broadcast_ether_addr(addr);
1331 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1332 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1337 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1338 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1339 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1340 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1342 memset(&ndis_key, 0, sizeof(ndis_key));
1344 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1345 sizeof(ndis_key.material) + key_len);
1346 ndis_key.length = cpu_to_le32(key_len);
1347 ndis_key.index = cpu_to_le32(index) | flags;
1349 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1350 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1351 * different order than NDIS spec, so swap the order here. */
1352 memcpy(ndis_key.material, key, 16);
1353 memcpy(ndis_key.material + 16, key + 24, 8);
1354 memcpy(ndis_key.material + 24, key + 16, 8);
1356 memcpy(ndis_key.material, key, key_len);
1358 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1359 memcpy(ndis_key.rsc, rx_seq, seq_len);
1361 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1363 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1366 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1367 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1369 get_bssid(usbdev, ndis_key.bssid);
1372 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1373 le32_to_cpu(ndis_key.size));
1374 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1378 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1379 priv->encr_keys[index].len = key_len;
1380 priv->encr_keys[index].cipher = cipher;
1381 memcpy(&priv->encr_keys[index].material, key, key_len);
1382 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1383 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1385 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1387 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1388 priv->encr_tx_key_index = index;
1393 static int restore_key(struct usbnet *usbdev, int key_idx)
1395 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1396 struct rndis_wlan_encr_key key;
1398 if (is_wpa_key(priv, key_idx))
1401 key = priv->encr_keys[key_idx];
1403 devdbg(usbdev, "restore_key: %i:%i", key_idx, key.len);
1408 return add_wep_key(usbdev, key.material, key.len, key_idx);
1411 static void restore_keys(struct usbnet *usbdev)
1415 for (i = 0; i < 4; i++)
1416 restore_key(usbdev, i);
1419 static void clear_key(struct rndis_wlan_private *priv, int idx)
1421 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1424 /* remove_key is for both wep and wpa */
1425 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1427 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1428 struct ndis_80211_remove_key remove_key;
1433 if (priv->encr_keys[index].len == 0)
1436 is_wpa = is_wpa_key(priv, index);
1438 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1439 priv->encr_keys[index].len);
1441 clear_key(priv, index);
1444 remove_key.size = cpu_to_le32(sizeof(remove_key));
1445 remove_key.index = cpu_to_le32(index);
1448 if (!is_broadcast_ether_addr(bssid))
1450 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1451 memcpy(remove_key.bssid, bssid,
1452 sizeof(remove_key.bssid));
1454 memset(remove_key.bssid, 0xff,
1455 sizeof(remove_key.bssid));
1457 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1458 sizeof(remove_key));
1462 keyindex = cpu_to_le32(index);
1463 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1467 "removing encryption key %d failed (%08X)",
1473 /* if it is transmit key, disable encryption */
1474 if (index == priv->encr_tx_key_index)
1475 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1480 static void set_multicast_list(struct usbnet *usbdev)
1482 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1483 struct dev_mc_list *mclist;
1488 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1490 if (usbdev->net->flags & IFF_PROMISC) {
1491 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1492 RNDIS_PACKET_TYPE_ALL_LOCAL;
1493 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1494 usbdev->net->mc_count > priv->multicast_size) {
1495 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1496 } else if (usbdev->net->mc_count > 0) {
1497 size = min(priv->multicast_size, usbdev->net->mc_count);
1498 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1501 "couldn't alloc %d bytes of memory",
1506 mclist = usbdev->net->mc_list;
1507 for (i = 0; i < size && mclist; mclist = mclist->next) {
1508 if (mclist->dmi_addrlen != ETH_ALEN)
1511 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1515 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1517 if (ret == 0 && i > 0)
1518 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1520 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1522 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1523 i, priv->multicast_size, ret);
1528 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1531 devwarn(usbdev, "couldn't set packet filter: %08x",
1532 le32_to_cpu(filter));
1535 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1536 le32_to_cpu(filter), ret);
1542 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1543 struct net_device *dev,
1544 enum nl80211_iftype type, u32 *flags,
1545 struct vif_params *params)
1547 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1548 struct usbnet *usbdev = priv->usbdev;
1552 case NL80211_IFTYPE_ADHOC:
1553 mode = NDIS_80211_INFRA_ADHOC;
1555 case NL80211_IFTYPE_STATION:
1556 mode = NDIS_80211_INFRA_INFRA;
1562 priv->wdev.iftype = type;
1564 return set_infra_mode(usbdev, mode);
1567 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1569 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1570 struct usbnet *usbdev = priv->usbdev;
1573 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1574 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1579 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1580 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1588 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1591 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1592 struct usbnet *usbdev = priv->usbdev;
1594 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1596 /* Device doesn't support changing txpower after initialization, only
1597 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1600 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1601 if (!priv->radio_on)
1602 disassociate(usbdev, true); /* turn on radio */
1610 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1612 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1613 struct usbnet *usbdev = priv->usbdev;
1615 *dbm = get_bcm4320_power_dbm(priv);
1617 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1622 #define SCAN_DELAY_JIFFIES (6 * HZ)
1623 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1624 struct cfg80211_scan_request *request)
1626 struct usbnet *usbdev = netdev_priv(dev);
1627 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1631 devdbg(usbdev, "cfg80211.scan");
1633 /* Get current bssid list from device before new scan, as new scan
1634 * clears internal bssid list.
1636 rndis_check_bssid_list(usbdev);
1641 if (priv->scan_request && priv->scan_request != request)
1644 priv->scan_request = request;
1646 tmp = cpu_to_le32(1);
1647 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1650 /* Wait before retrieving scan results from device */
1651 queue_delayed_work(priv->workqueue, &priv->scan_work,
1652 SCAN_DELAY_JIFFIES);
1658 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1659 struct ndis_80211_bssid_ex *bssid)
1661 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1662 struct ieee80211_channel *channel;
1666 u16 beacon_interval;
1667 struct ndis_80211_fixed_ies *fixed;
1668 int ie_len, bssid_len;
1671 devdbg(usbdev, " found bssid: '%.32s' [%pM]", bssid->ssid.essid,
1674 /* parse bssid structure */
1675 bssid_len = le32_to_cpu(bssid->length);
1677 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1678 sizeof(struct ndis_80211_fixed_ies))
1681 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1683 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1684 ie_len = min(bssid_len - (int)sizeof(*bssid),
1685 (int)le32_to_cpu(bssid->ie_length));
1686 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1690 /* extract data for cfg80211_inform_bss */
1691 channel = ieee80211_get_channel(priv->wdev.wiphy,
1692 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1696 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1697 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1698 capability = le16_to_cpu(fixed->capabilities);
1699 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1701 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1702 timestamp, capability, beacon_interval, ie, ie_len, signal,
1706 static int rndis_check_bssid_list(struct usbnet *usbdev)
1709 struct ndis_80211_bssid_list_ex *bssid_list;
1710 struct ndis_80211_bssid_ex *bssid;
1711 int ret = -EINVAL, len, count, bssid_len;
1712 bool resized = false;
1714 devdbg(usbdev, "check_bssid_list");
1716 len = CONTROL_BUFFER_SIZE;
1718 buf = kmalloc(len, GFP_KERNEL);
1724 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1728 if (!resized && len > CONTROL_BUFFER_SIZE) {
1735 bssid = bssid_list->bssid;
1736 bssid_len = le32_to_cpu(bssid->length);
1737 count = le32_to_cpu(bssid_list->num_items);
1738 devdbg(usbdev, "check_bssid_list: %d BSSIDs found (buflen: %d)", count,
1741 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1742 rndis_bss_info_update(usbdev, bssid);
1744 bssid = (void *)bssid + bssid_len;
1745 bssid_len = le32_to_cpu(bssid->length);
1754 static void rndis_get_scan_results(struct work_struct *work)
1756 struct rndis_wlan_private *priv =
1757 container_of(work, struct rndis_wlan_private, scan_work.work);
1758 struct usbnet *usbdev = priv->usbdev;
1761 devdbg(usbdev, "get_scan_results");
1763 if (!priv->scan_request)
1766 ret = rndis_check_bssid_list(usbdev);
1768 cfg80211_scan_done(priv->scan_request, ret < 0);
1770 priv->scan_request = NULL;
1773 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1774 struct cfg80211_connect_params *sme)
1776 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1777 struct usbnet *usbdev = priv->usbdev;
1778 struct ieee80211_channel *channel = sme->channel;
1779 struct ndis_80211_ssid ssid;
1780 int pairwise = RNDIS_WLAN_ALG_NONE;
1781 int groupwise = RNDIS_WLAN_ALG_NONE;
1782 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1783 int length, i, ret, chan = -1;
1786 chan = ieee80211_frequency_to_channel(channel->center_freq);
1788 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1789 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1791 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1793 if (sme->crypto.n_ciphers_pairwise > 0 &&
1794 pairwise == RNDIS_WLAN_ALG_NONE) {
1795 deverr(usbdev, "Unsupported pairwise cipher");
1799 for (i = 0; i < sme->crypto.n_akm_suites; i++)
1801 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1803 if (sme->crypto.n_akm_suites > 0 &&
1804 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
1805 deverr(usbdev, "Invalid keymgmt");
1809 devdbg(usbdev, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:"
1810 "0x%x]:0x%x)", sme->ssid, sme->bssid, chan,
1811 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1812 groupwise, pairwise, keymgmt);
1814 if (is_associated(usbdev))
1815 disassociate(usbdev, false);
1817 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1819 devdbg(usbdev, "connect: set_infra_mode failed, %d", ret);
1820 goto err_turn_radio_on;
1823 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1826 devdbg(usbdev, "connect: set_auth_mode failed, %d", ret);
1827 goto err_turn_radio_on;
1830 set_priv_filter(usbdev);
1832 ret = set_encr_mode(usbdev, pairwise, groupwise);
1834 devdbg(usbdev, "connect: set_encr_mode failed, %d", ret);
1835 goto err_turn_radio_on;
1839 ret = set_channel(usbdev, chan);
1841 devdbg(usbdev, "connect: set_channel failed, %d", ret);
1842 goto err_turn_radio_on;
1846 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1847 priv->encr_tx_key_index = sme->key_idx;
1848 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1850 devdbg(usbdev, "connect: add_wep_key failed, %d "
1851 "(%d, %d)", ret, sme->key_len, sme->key_idx);
1852 goto err_turn_radio_on;
1856 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1857 !is_broadcast_ether_addr(sme->bssid)) {
1858 ret = set_bssid(usbdev, sme->bssid);
1860 devdbg(usbdev, "connect: set_bssid failed, %d", ret);
1861 goto err_turn_radio_on;
1864 clear_bssid(usbdev);
1866 length = sme->ssid_len;
1867 if (length > NDIS_802_11_LENGTH_SSID)
1868 length = NDIS_802_11_LENGTH_SSID;
1870 memset(&ssid, 0, sizeof(ssid));
1871 ssid.length = cpu_to_le32(length);
1872 memcpy(ssid.essid, sme->ssid, length);
1874 /* Pause and purge rx queue, so we don't pass packets before
1875 * 'media connect'-indication.
1877 usbnet_pause_rx(usbdev);
1878 usbnet_purge_paused_rxq(usbdev);
1880 ret = set_essid(usbdev, &ssid);
1882 devdbg(usbdev, "connect: set_essid failed, %d", ret);
1886 disassociate(usbdev, true);
1891 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1894 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1895 struct usbnet *usbdev = priv->usbdev;
1897 devdbg(usbdev, "cfg80211.disconnect(%d)", reason_code);
1899 priv->connected = false;
1900 memset(priv->bssid, 0, ETH_ALEN);
1902 return deauthenticate(usbdev);
1905 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1906 struct cfg80211_ibss_params *params)
1908 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1909 struct usbnet *usbdev = priv->usbdev;
1910 struct ieee80211_channel *channel = params->channel;
1911 struct ndis_80211_ssid ssid;
1912 enum nl80211_auth_type auth_type;
1913 int ret, alg, length, chan = -1;
1916 chan = ieee80211_frequency_to_channel(channel->center_freq);
1918 /* TODO: How to handle ad-hoc encryption?
1919 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1920 * pre-shared for encryption (open/shared/wpa), is key set before
1921 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1923 if (params->privacy) {
1924 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1925 alg = RNDIS_WLAN_ALG_WEP;
1927 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1928 alg = RNDIS_WLAN_ALG_NONE;
1931 devdbg(usbdev, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)", params->ssid,
1932 params->bssid, chan, params->privacy);
1934 if (is_associated(usbdev))
1935 disassociate(usbdev, false);
1937 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1939 devdbg(usbdev, "join_ibss: set_infra_mode failed, %d", ret);
1940 goto err_turn_radio_on;
1943 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1945 devdbg(usbdev, "join_ibss: set_auth_mode failed, %d", ret);
1946 goto err_turn_radio_on;
1949 set_priv_filter(usbdev);
1951 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1953 devdbg(usbdev, "join_ibss: set_encr_mode failed, %d", ret);
1954 goto err_turn_radio_on;
1958 ret = set_channel(usbdev, chan);
1960 devdbg(usbdev, "join_ibss: set_channel failed, %d",
1962 goto err_turn_radio_on;
1966 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
1967 !is_broadcast_ether_addr(params->bssid)) {
1968 ret = set_bssid(usbdev, params->bssid);
1970 devdbg(usbdev, "join_ibss: set_bssid failed, %d", ret);
1971 goto err_turn_radio_on;
1974 clear_bssid(usbdev);
1976 length = params->ssid_len;
1977 if (length > NDIS_802_11_LENGTH_SSID)
1978 length = NDIS_802_11_LENGTH_SSID;
1980 memset(&ssid, 0, sizeof(ssid));
1981 ssid.length = cpu_to_le32(length);
1982 memcpy(ssid.essid, params->ssid, length);
1984 /* Don't need to pause rx queue for ad-hoc. */
1985 usbnet_purge_paused_rxq(usbdev);
1986 usbnet_resume_rx(usbdev);
1988 ret = set_essid(usbdev, &ssid);
1990 devdbg(usbdev, "join_ibss: set_essid failed, %d", ret);
1994 disassociate(usbdev, true);
1999 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2001 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2002 struct usbnet *usbdev = priv->usbdev;
2004 devdbg(usbdev, "cfg80211.leave_ibss()");
2006 priv->connected = false;
2007 memset(priv->bssid, 0, ETH_ALEN);
2009 return deauthenticate(usbdev);
2012 static int rndis_set_channel(struct wiphy *wiphy,
2013 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2015 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2016 struct usbnet *usbdev = priv->usbdev;
2018 return set_channel(usbdev,
2019 ieee80211_frequency_to_channel(chan->center_freq));
2022 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2023 u8 key_index, const u8 *mac_addr,
2024 struct key_params *params)
2026 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2027 struct usbnet *usbdev = priv->usbdev;
2030 devdbg(usbdev, "rndis_add_key(%i, %pM, %08x)", key_index, mac_addr,
2033 switch (params->cipher) {
2034 case WLAN_CIPHER_SUITE_WEP40:
2035 case WLAN_CIPHER_SUITE_WEP104:
2036 return add_wep_key(usbdev, params->key, params->key_len,
2038 case WLAN_CIPHER_SUITE_TKIP:
2039 case WLAN_CIPHER_SUITE_CCMP:
2042 if (params->seq && params->seq_len > 0)
2043 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2045 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2046 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2048 return add_wpa_key(usbdev, params->key, params->key_len,
2049 key_index, mac_addr, params->seq,
2050 params->seq_len, params->cipher, flags);
2052 devdbg(usbdev, "rndis_add_key: unsupported cipher %08x",
2058 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2059 u8 key_index, const u8 *mac_addr)
2061 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2062 struct usbnet *usbdev = priv->usbdev;
2064 devdbg(usbdev, "rndis_del_key(%i, %pM)", key_index, mac_addr);
2066 return remove_key(usbdev, key_index, mac_addr);
2069 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2072 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2073 struct usbnet *usbdev = priv->usbdev;
2074 struct rndis_wlan_encr_key key;
2076 devdbg(usbdev, "rndis_set_default_key(%i)", key_index);
2078 priv->encr_tx_key_index = key_index;
2080 key = priv->encr_keys[key_index];
2082 return add_wep_key(usbdev, key.material, key.len, key_index);
2085 static void rndis_fill_station_info(struct usbnet *usbdev,
2086 struct station_info *sinfo)
2088 __le32 linkspeed, rssi;
2091 memset(sinfo, 0, sizeof(*sinfo));
2093 len = sizeof(linkspeed);
2094 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2096 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2097 sinfo->filled |= STATION_INFO_TX_BITRATE;
2101 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2103 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2104 sinfo->filled |= STATION_INFO_SIGNAL;
2108 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2109 u8 *mac, struct station_info *sinfo)
2111 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2112 struct usbnet *usbdev = priv->usbdev;
2114 if (compare_ether_addr(priv->bssid, mac))
2117 rndis_fill_station_info(usbdev, sinfo);
2122 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2123 int idx, u8 *mac, struct station_info *sinfo)
2125 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2126 struct usbnet *usbdev = priv->usbdev;
2131 memcpy(mac, priv->bssid, ETH_ALEN);
2133 rndis_fill_station_info(usbdev, sinfo);
2139 * workers, indication handlers, device poller
2141 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2143 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2144 struct ndis_80211_assoc_info *info;
2145 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2147 int resp_ie_len, req_ie_len;
2148 u8 *req_ie, *resp_ie;
2150 bool roamed = false;
2152 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2153 /* received media connect indication while connected, either
2154 * device reassociated with same AP or roamed to new. */
2163 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2164 memset(assoc_buf, 0, sizeof(assoc_buf));
2165 info = (void *)assoc_buf;
2167 /* Get association info IEs from device and send them back to
2169 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2171 req_ie_len = le32_to_cpu(info->req_ie_length);
2172 if (req_ie_len > 0) {
2173 offset = le32_to_cpu(info->offset_req_ies);
2174 req_ie = (u8 *)info + offset;
2177 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2178 if (resp_ie_len > 0) {
2179 offset = le32_to_cpu(info->offset_resp_ies);
2180 resp_ie = (u8 *)info + offset;
2183 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2186 ret = get_bssid(usbdev, bssid);
2188 memset(bssid, 0, sizeof(bssid));
2190 devdbg(usbdev, "link up work: [%pM] %s", bssid, roamed ? "roamed" : "");
2192 /* Internal bss list in device always contains at least the currently
2193 * connected bss and we can get it to cfg80211 with
2194 * rndis_check_bssid_list().
2195 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2198 rndis_check_bssid_list(usbdev);
2200 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2202 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2203 req_ie_len, resp_ie,
2204 resp_ie_len, 0, GFP_KERNEL);
2206 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2207 resp_ie, resp_ie_len, GFP_KERNEL);
2208 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2209 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2211 priv->connected = true;
2212 memcpy(priv->bssid, bssid, ETH_ALEN);
2214 usbnet_resume_rx(usbdev);
2215 netif_carrier_on(usbdev->net);
2218 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2220 union iwreq_data evt;
2222 netif_carrier_off(usbdev->net);
2225 evt.data.length = 0;
2226 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2227 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2230 static void rndis_wlan_worker(struct work_struct *work)
2232 struct rndis_wlan_private *priv =
2233 container_of(work, struct rndis_wlan_private, work);
2234 struct usbnet *usbdev = priv->usbdev;
2236 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2237 rndis_wlan_do_link_up_work(usbdev);
2239 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2240 rndis_wlan_do_link_down_work(usbdev);
2242 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2243 set_multicast_list(usbdev);
2246 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2248 struct usbnet *usbdev = netdev_priv(dev);
2249 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2251 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2254 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2255 queue_work(priv->workqueue, &priv->work);
2258 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2259 struct ndis_80211_status_indication *indication,
2264 int flags, buflen, key_id;
2265 bool pairwise_error, group_error;
2266 struct ndis_80211_auth_request *auth_req;
2267 enum nl80211_key_type key_type;
2269 /* must have at least one array entry */
2270 if (len < offsetof(struct ndis_80211_status_indication, u) +
2271 sizeof(struct ndis_80211_auth_request)) {
2272 devinfo(usbdev, "authentication indication: "
2273 "too short message (%i)", len);
2277 buf = (void *)&indication->u.auth_request[0];
2278 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2280 while (buflen >= sizeof(*auth_req)) {
2281 auth_req = (void *)buf;
2283 flags = le32_to_cpu(auth_req->flags);
2284 pairwise_error = false;
2285 group_error = false;
2288 type = "reauth request";
2290 type = "key update request";
2292 pairwise_error = true;
2293 type = "pairwise_error";
2297 type = "group_error";
2300 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2301 le32_to_cpu(auth_req->flags));
2303 if (pairwise_error) {
2304 key_type = NL80211_KEYTYPE_PAIRWISE;
2307 cfg80211_michael_mic_failure(usbdev->net,
2309 key_type, key_id, NULL,
2314 key_type = NL80211_KEYTYPE_GROUP;
2317 cfg80211_michael_mic_failure(usbdev->net,
2319 key_type, key_id, NULL,
2323 buflen -= le32_to_cpu(auth_req->length);
2324 buf += le32_to_cpu(auth_req->length);
2328 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2329 struct ndis_80211_status_indication *indication,
2332 struct ndis_80211_pmkid_cand_list *cand_list;
2333 int list_len, expected_len, i;
2335 if (len < offsetof(struct ndis_80211_status_indication, u) +
2336 sizeof(struct ndis_80211_pmkid_cand_list)) {
2337 devinfo(usbdev, "pmkid candidate list indication: "
2338 "too short message (%i)", len);
2342 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2343 sizeof(struct ndis_80211_pmkid_candidate);
2344 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2345 offsetof(struct ndis_80211_status_indication, u);
2347 if (len < expected_len) {
2348 devinfo(usbdev, "pmkid candidate list indication: "
2349 "list larger than buffer (%i < %i)",
2354 cand_list = &indication->u.cand_list;
2356 devinfo(usbdev, "pmkid candidate list indication: "
2357 "version %i, candidates %i",
2358 le32_to_cpu(cand_list->version),
2359 le32_to_cpu(cand_list->num_candidates));
2361 if (le32_to_cpu(cand_list->version) != 1)
2364 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2365 struct ndis_80211_pmkid_candidate *cand =
2366 &cand_list->candidate_list[i];
2368 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2369 i, le32_to_cpu(cand->flags), cand->bssid);
2372 struct iw_pmkid_cand pcand;
2373 union iwreq_data wrqu;
2375 memset(&pcand, 0, sizeof(pcand));
2376 if (le32_to_cpu(cand->flags) & 0x01)
2377 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2379 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2381 memset(&wrqu, 0, sizeof(wrqu));
2382 wrqu.data.length = sizeof(pcand);
2383 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2389 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2390 struct rndis_indicate *msg, int buflen)
2392 struct ndis_80211_status_indication *indication;
2395 offset = offsetof(struct rndis_indicate, status) +
2396 le32_to_cpu(msg->offset);
2397 len = le32_to_cpu(msg->length);
2400 devinfo(usbdev, "media specific indication, "
2401 "ignore too short message (%i < 8)", len);
2405 if (offset + len > buflen) {
2406 devinfo(usbdev, "media specific indication, "
2407 "too large to fit to buffer (%i > %i)",
2408 offset + len, buflen);
2412 indication = (void *)((u8 *)msg + offset);
2414 switch (le32_to_cpu(indication->status_type)) {
2415 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2416 devinfo(usbdev, "radio state indication: %i",
2417 le32_to_cpu(indication->u.radio_status));
2420 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2421 devinfo(usbdev, "media stream mode indication: %i",
2422 le32_to_cpu(indication->u.media_stream_mode));
2425 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2426 rndis_wlan_auth_indication(usbdev, indication, len);
2429 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2430 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2434 devinfo(usbdev, "media specific indication: "
2435 "unknown status type 0x%08x",
2436 le32_to_cpu(indication->status_type));
2440 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2442 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2443 struct rndis_indicate *msg = ind;
2445 switch (msg->status) {
2446 case RNDIS_STATUS_MEDIA_CONNECT:
2447 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2448 /* OID_802_11_ADD_KEY causes sometimes extra
2449 * "media connect" indications which confuses driver
2450 * and userspace to think that device is
2451 * roaming/reassociating when it isn't.
2453 devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2458 usbnet_pause_rx(usbdev);
2460 devinfo(usbdev, "media connect");
2462 /* queue work to avoid recursive calls into rndis_command */
2463 set_bit(WORK_LINK_UP, &priv->work_pending);
2464 queue_work(priv->workqueue, &priv->work);
2467 case RNDIS_STATUS_MEDIA_DISCONNECT:
2468 devinfo(usbdev, "media disconnect");
2470 /* queue work to avoid recursive calls into rndis_command */
2471 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2472 queue_work(priv->workqueue, &priv->work);
2475 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2476 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2480 devinfo(usbdev, "indication: 0x%08x",
2481 le32_to_cpu(msg->status));
2486 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2491 } networks_supported;
2492 int len, retval, i, n;
2493 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2495 /* determine supported modes */
2496 len = sizeof(networks_supported);
2497 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2498 &networks_supported, &len);
2500 n = le32_to_cpu(networks_supported.num_items);
2503 for (i = 0; i < n; i++) {
2504 switch (le32_to_cpu(networks_supported.items[i])) {
2505 case NDIS_80211_TYPE_FREQ_HOP:
2506 case NDIS_80211_TYPE_DIRECT_SEQ:
2507 priv->caps |= CAP_MODE_80211B;
2509 case NDIS_80211_TYPE_OFDM_A:
2510 priv->caps |= CAP_MODE_80211A;
2512 case NDIS_80211_TYPE_OFDM_G:
2513 priv->caps |= CAP_MODE_80211G;
2522 #define DEVICE_POLLER_JIFFIES (HZ)
2523 static void rndis_device_poller(struct work_struct *work)
2525 struct rndis_wlan_private *priv =
2526 container_of(work, struct rndis_wlan_private,
2527 dev_poller_work.work);
2528 struct usbnet *usbdev = priv->usbdev;
2531 int update_jiffies = DEVICE_POLLER_JIFFIES;
2534 /* Only check/do workaround when connected. Calling is_associated()
2535 * also polls device with rndis_command() and catches for media link
2538 if (!is_associated(usbdev))
2542 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2544 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
2546 devdbg(usbdev, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d",
2547 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
2549 /* Workaround transfer stalls on poor quality links.
2550 * TODO: find right way to fix these stalls (as stalls do not happen
2551 * with ndiswrapper/windows driver). */
2552 if (priv->last_qual <= 25) {
2553 /* Decrease stats worker interval to catch stalls.
2554 * faster. Faster than 400-500ms causes packet loss,
2555 * Slower doesn't catch stalls fast enough.
2557 j = msecs_to_jiffies(priv->param_workaround_interval);
2558 if (j > DEVICE_POLLER_JIFFIES)
2559 j = DEVICE_POLLER_JIFFIES;
2564 /* Send scan OID. Use of both OIDs is required to get device
2567 tmp = cpu_to_le32(1);
2568 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2571 len = CONTROL_BUFFER_SIZE;
2572 buf = kmalloc(len, GFP_KERNEL);
2576 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2581 if (update_jiffies >= HZ)
2582 update_jiffies = round_jiffies_relative(update_jiffies);
2584 j = round_jiffies_relative(update_jiffies);
2585 if (abs(j - update_jiffies) <= 10)
2589 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2594 * driver/device initialization
2596 static int bcm4320a_early_init(struct usbnet *usbdev)
2598 /* bcm4320a doesn't handle configuration parameters well. Try
2599 * set any and you get partially zeroed mac and broken device.
2605 static int bcm4320b_early_init(struct usbnet *usbdev)
2607 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2610 /* Early initialization settings, setting these won't have effect
2611 * if called after generic_rndis_bind().
2614 priv->param_country[0] = modparam_country[0];
2615 priv->param_country[1] = modparam_country[1];
2616 priv->param_country[2] = 0;
2617 priv->param_frameburst = modparam_frameburst;
2618 priv->param_afterburner = modparam_afterburner;
2619 priv->param_power_save = modparam_power_save;
2620 priv->param_power_output = modparam_power_output;
2621 priv->param_roamtrigger = modparam_roamtrigger;
2622 priv->param_roamdelta = modparam_roamdelta;
2624 priv->param_country[0] = toupper(priv->param_country[0]);
2625 priv->param_country[1] = toupper(priv->param_country[1]);
2626 /* doesn't support EU as country code, use FI instead */
2627 if (!strcmp(priv->param_country, "EU"))
2628 strcpy(priv->param_country, "FI");
2630 if (priv->param_power_save < 0)
2631 priv->param_power_save = 0;
2632 else if (priv->param_power_save > 2)
2633 priv->param_power_save = 2;
2635 if (priv->param_power_output < 0)
2636 priv->param_power_output = 0;
2637 else if (priv->param_power_output > 3)
2638 priv->param_power_output = 3;
2640 if (priv->param_roamtrigger < -80)
2641 priv->param_roamtrigger = -80;
2642 else if (priv->param_roamtrigger > -60)
2643 priv->param_roamtrigger = -60;
2645 if (priv->param_roamdelta < 0)
2646 priv->param_roamdelta = 0;
2647 else if (priv->param_roamdelta > 2)
2648 priv->param_roamdelta = 2;
2650 if (modparam_workaround_interval < 0)
2651 priv->param_workaround_interval = 500;
2653 priv->param_workaround_interval = modparam_workaround_interval;
2655 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2656 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2657 priv->param_frameburst ? "1" : "0");
2658 rndis_set_config_parameter_str(usbdev, "Afterburner",
2659 priv->param_afterburner ? "1" : "0");
2660 sprintf(buf, "%d", priv->param_power_save);
2661 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2662 sprintf(buf, "%d", priv->param_power_output);
2663 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2664 sprintf(buf, "%d", priv->param_roamtrigger);
2665 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2666 sprintf(buf, "%d", priv->param_roamdelta);
2667 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2672 /* same as rndis_netdev_ops but with local multicast handler */
2673 static const struct net_device_ops rndis_wlan_netdev_ops = {
2674 .ndo_open = usbnet_open,
2675 .ndo_stop = usbnet_stop,
2676 .ndo_start_xmit = usbnet_start_xmit,
2677 .ndo_tx_timeout = usbnet_tx_timeout,
2678 .ndo_set_mac_address = eth_mac_addr,
2679 .ndo_validate_addr = eth_validate_addr,
2680 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2683 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2685 struct wiphy *wiphy;
2686 struct rndis_wlan_private *priv;
2690 /* allocate wiphy and rndis private data
2691 * NOTE: We only support a single virtual interface, so wiphy
2692 * and wireless_dev are somewhat synonymous for this device.
2694 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2698 priv = wiphy_priv(wiphy);
2699 usbdev->net->ieee80211_ptr = &priv->wdev;
2700 priv->wdev.wiphy = wiphy;
2701 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2703 /* These have to be initialized before calling generic_rndis_bind().
2704 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2706 usbdev->driver_priv = priv;
2707 priv->usbdev = usbdev;
2709 mutex_init(&priv->command_lock);
2711 /* because rndis_command() sleeps we need to use workqueue */
2712 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2713 INIT_WORK(&priv->work, rndis_wlan_worker);
2714 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
2715 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2717 /* try bind rndis_host */
2718 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2722 /* generic_rndis_bind set packet filter to multicast_all+
2723 * promisc mode which doesn't work well for our devices (device
2724 * picks up rssi to closest station instead of to access point).
2726 * rndis_host wants to avoid all OID as much as possible
2727 * so do promisc/multicast handling in rndis_wlan.
2729 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2731 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2732 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2736 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2738 priv->multicast_size = le32_to_cpu(tmp);
2739 if (retval < 0 || priv->multicast_size < 0)
2740 priv->multicast_size = 0;
2741 if (priv->multicast_size > 0)
2742 usbdev->net->flags |= IFF_MULTICAST;
2744 usbdev->net->flags &= ~IFF_MULTICAST;
2746 /* fill-out wiphy structure and register w/ cfg80211 */
2747 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2748 wiphy->privid = rndis_wiphy_privid;
2749 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2750 | BIT(NL80211_IFTYPE_ADHOC);
2751 wiphy->max_scan_ssids = 1;
2753 /* TODO: fill-out band/encr information based on priv->caps */
2754 rndis_wlan_get_caps(usbdev);
2756 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2757 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2758 priv->band.channels = priv->channels;
2759 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2760 priv->band.bitrates = priv->rates;
2761 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2762 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2763 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2765 memcpy(priv->cipher_suites, rndis_cipher_suites,
2766 sizeof(rndis_cipher_suites));
2767 wiphy->cipher_suites = priv->cipher_suites;
2768 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
2770 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2772 if (wiphy_register(wiphy)) {
2777 set_default_iw_params(usbdev);
2779 /* set default rts/frag */
2780 rndis_set_wiphy_params(wiphy,
2781 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2784 priv->radio_on = true;
2785 disassociate(usbdev, true);
2786 netif_carrier_off(usbdev->net);
2791 cancel_delayed_work_sync(&priv->dev_poller_work);
2792 cancel_delayed_work_sync(&priv->scan_work);
2793 cancel_work_sync(&priv->work);
2794 flush_workqueue(priv->workqueue);
2795 destroy_workqueue(priv->workqueue);
2801 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2803 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2805 /* turn radio off */
2806 disassociate(usbdev, false);
2808 cancel_delayed_work_sync(&priv->dev_poller_work);
2809 cancel_delayed_work_sync(&priv->scan_work);
2810 cancel_work_sync(&priv->work);
2811 flush_workqueue(priv->workqueue);
2812 destroy_workqueue(priv->workqueue);
2814 if (priv && priv->wpa_ie_len)
2815 kfree(priv->wpa_ie);
2817 rndis_unbind(usbdev, intf);
2819 wiphy_unregister(priv->wdev.wiphy);
2820 wiphy_free(priv->wdev.wiphy);
2823 static int rndis_wlan_reset(struct usbnet *usbdev)
2825 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2828 devdbg(usbdev, "rndis_wlan_reset");
2830 retval = rndis_reset(usbdev);
2832 devwarn(usbdev, "rndis_reset() failed: %d", retval);
2834 /* rndis_reset cleared multicast list, so restore here.
2835 (set_multicast_list() also turns on current packet filter) */
2836 set_multicast_list(usbdev);
2838 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2839 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
2841 return deauthenticate(usbdev);
2844 static int rndis_wlan_stop(struct usbnet *usbdev)
2846 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2850 devdbg(usbdev, "rndis_wlan_stop");
2852 retval = disassociate(usbdev, false);
2854 priv->work_pending = 0;
2855 cancel_delayed_work_sync(&priv->dev_poller_work);
2856 cancel_delayed_work_sync(&priv->scan_work);
2857 cancel_work_sync(&priv->work);
2858 flush_workqueue(priv->workqueue);
2860 if (priv->scan_request) {
2861 cfg80211_scan_done(priv->scan_request, true);
2862 priv->scan_request = NULL;
2865 /* Set current packet filter zero to block receiving data packets from
2868 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2874 static const struct driver_info bcm4320b_info = {
2875 .description = "Wireless RNDIS device, BCM4320b based",
2876 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2877 FLAG_AVOID_UNLINK_URBS,
2878 .bind = rndis_wlan_bind,
2879 .unbind = rndis_wlan_unbind,
2880 .status = rndis_status,
2881 .rx_fixup = rndis_rx_fixup,
2882 .tx_fixup = rndis_tx_fixup,
2883 .reset = rndis_wlan_reset,
2884 .stop = rndis_wlan_stop,
2885 .early_init = bcm4320b_early_init,
2886 .indication = rndis_wlan_indication,
2889 static const struct driver_info bcm4320a_info = {
2890 .description = "Wireless RNDIS device, BCM4320a based",
2891 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2892 FLAG_AVOID_UNLINK_URBS,
2893 .bind = rndis_wlan_bind,
2894 .unbind = rndis_wlan_unbind,
2895 .status = rndis_status,
2896 .rx_fixup = rndis_rx_fixup,
2897 .tx_fixup = rndis_tx_fixup,
2898 .reset = rndis_wlan_reset,
2899 .stop = rndis_wlan_stop,
2900 .early_init = bcm4320a_early_init,
2901 .indication = rndis_wlan_indication,
2904 static const struct driver_info rndis_wlan_info = {
2905 .description = "Wireless RNDIS device",
2906 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2907 FLAG_AVOID_UNLINK_URBS,
2908 .bind = rndis_wlan_bind,
2909 .unbind = rndis_wlan_unbind,
2910 .status = rndis_status,
2911 .rx_fixup = rndis_rx_fixup,
2912 .tx_fixup = rndis_tx_fixup,
2913 .reset = rndis_wlan_reset,
2914 .stop = rndis_wlan_stop,
2915 .early_init = bcm4320a_early_init,
2916 .indication = rndis_wlan_indication,
2919 /*-------------------------------------------------------------------------*/
2921 static const struct usb_device_id products [] = {
2922 #define RNDIS_MASTER_INTERFACE \
2923 .bInterfaceClass = USB_CLASS_COMM, \
2924 .bInterfaceSubClass = 2 /* ACM */, \
2925 .bInterfaceProtocol = 0x0ff
2927 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2928 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2931 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2932 | USB_DEVICE_ID_MATCH_DEVICE,
2934 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2935 RNDIS_MASTER_INTERFACE,
2936 .driver_info = (unsigned long) &bcm4320b_info,
2938 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2939 | USB_DEVICE_ID_MATCH_DEVICE,
2941 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2942 RNDIS_MASTER_INTERFACE,
2943 .driver_info = (unsigned long) &bcm4320b_info,
2945 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2946 | USB_DEVICE_ID_MATCH_DEVICE,
2948 .idProduct = 0x011b, /* Belkin F5D7051 */
2949 RNDIS_MASTER_INTERFACE,
2950 .driver_info = (unsigned long) &bcm4320b_info,
2952 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2953 | USB_DEVICE_ID_MATCH_DEVICE,
2954 .idVendor = 0x1799, /* Belkin has two vendor ids */
2955 .idProduct = 0x011b, /* Belkin F5D7051 */
2956 RNDIS_MASTER_INTERFACE,
2957 .driver_info = (unsigned long) &bcm4320b_info,
2959 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2960 | USB_DEVICE_ID_MATCH_DEVICE,
2962 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2963 RNDIS_MASTER_INTERFACE,
2964 .driver_info = (unsigned long) &bcm4320b_info,
2966 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2967 | USB_DEVICE_ID_MATCH_DEVICE,
2969 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2970 RNDIS_MASTER_INTERFACE,
2971 .driver_info = (unsigned long) &bcm4320b_info,
2973 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2974 | USB_DEVICE_ID_MATCH_DEVICE,
2976 .idProduct = 0x1717, /* Asus WL169gE */
2977 RNDIS_MASTER_INTERFACE,
2978 .driver_info = (unsigned long) &bcm4320b_info,
2980 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2981 | USB_DEVICE_ID_MATCH_DEVICE,
2983 .idProduct = 0xd11b, /* Eminent EM4045 */
2984 RNDIS_MASTER_INTERFACE,
2985 .driver_info = (unsigned long) &bcm4320b_info,
2987 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2988 | USB_DEVICE_ID_MATCH_DEVICE,
2990 .idProduct = 0x0715, /* BT Voyager 1055 */
2991 RNDIS_MASTER_INTERFACE,
2992 .driver_info = (unsigned long) &bcm4320b_info,
2994 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2995 * parameters available, hardware probably contain older firmware version with
2996 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2999 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3000 | USB_DEVICE_ID_MATCH_DEVICE,
3002 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3003 RNDIS_MASTER_INTERFACE,
3004 .driver_info = (unsigned long) &bcm4320a_info,
3006 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3007 | USB_DEVICE_ID_MATCH_DEVICE,
3009 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3010 RNDIS_MASTER_INTERFACE,
3011 .driver_info = (unsigned long) &bcm4320a_info,
3013 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3014 | USB_DEVICE_ID_MATCH_DEVICE,
3016 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3017 RNDIS_MASTER_INTERFACE,
3018 .driver_info = (unsigned long) &bcm4320a_info,
3020 /* Generic Wireless RNDIS devices that we don't have exact
3021 * idVendor/idProduct/chip yet.
3024 /* RNDIS is MSFT's un-official variant of CDC ACM */
3025 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3026 .driver_info = (unsigned long) &rndis_wlan_info,
3028 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3029 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3030 .driver_info = (unsigned long) &rndis_wlan_info,
3034 MODULE_DEVICE_TABLE(usb, products);
3036 static struct usb_driver rndis_wlan_driver = {
3037 .name = "rndis_wlan",
3038 .id_table = products,
3039 .probe = usbnet_probe,
3040 .disconnect = usbnet_disconnect,
3041 .suspend = usbnet_suspend,
3042 .resume = usbnet_resume,
3045 static int __init rndis_wlan_init(void)
3047 return usb_register(&rndis_wlan_driver);
3049 module_init(rndis_wlan_init);
3051 static void __exit rndis_wlan_exit(void)
3053 usb_deregister(&rndis_wlan_driver);
3055 module_exit(rndis_wlan_exit);
3057 MODULE_AUTHOR("Bjorge Dijkstra");
3058 MODULE_AUTHOR("Jussi Kivilinna");
3059 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3060 MODULE_LICENSE("GPL");