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;
87 module_param_named(workaround_interval, modparam_workaround_interval,
89 MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (0=disabled) (default: 0)");
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 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
732 __func__, oid_to_string(oid), ret,
733 le32_to_cpu(u.get_c->status));
736 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
738 ret = le32_to_cpu(u.get_c->len);
742 ret = rndis_error_status(u.get_c->status);
744 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
745 __func__, oid_to_string(oid),
746 le32_to_cpu(u.get_c->status), ret);
749 mutex_unlock(&priv->command_lock);
751 if (u.buf != priv->command_buffer)
756 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
758 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
761 struct rndis_msg_hdr *header;
762 struct rndis_set *set;
763 struct rndis_set_c *set_c;
767 buflen = len + sizeof(*u.set);
768 if (buflen < CONTROL_BUFFER_SIZE)
769 buflen = CONTROL_BUFFER_SIZE;
771 if (buflen > COMMAND_BUFFER_SIZE) {
772 u.buf = kmalloc(buflen, GFP_KERNEL);
776 u.buf = priv->command_buffer;
779 mutex_lock(&priv->command_lock);
781 memset(u.set, 0, sizeof *u.set);
782 u.set->msg_type = RNDIS_MSG_SET;
783 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
785 u.set->len = cpu_to_le32(len);
786 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
787 u.set->handle = cpu_to_le32(0);
788 memcpy(u.buf + sizeof(*u.set), data, len);
790 priv->current_command_oid = oid;
791 ret = rndis_command(dev, u.header, buflen);
792 priv->current_command_oid = 0;
794 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
795 __func__, oid_to_string(oid), ret,
796 le32_to_cpu(u.set_c->status));
799 ret = rndis_error_status(u.set_c->status);
802 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
803 __func__, oid_to_string(oid),
804 le32_to_cpu(u.set_c->status), ret);
807 mutex_unlock(&priv->command_lock);
809 if (u.buf != priv->command_buffer)
814 static int rndis_reset(struct usbnet *usbdev)
816 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
817 struct rndis_reset *reset;
820 mutex_lock(&priv->command_lock);
822 reset = (void *)priv->command_buffer;
823 memset(reset, 0, sizeof(*reset));
824 reset->msg_type = RNDIS_MSG_RESET;
825 reset->msg_len = cpu_to_le32(sizeof(*reset));
826 priv->current_command_oid = 0;
827 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
829 mutex_unlock(&priv->command_lock);
837 * Specs say that we can only set config parameters only soon after device
839 * value_type: 0 = u32, 2 = unicode string
841 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
842 int value_type, void *value)
844 struct ndis_config_param *infobuf;
845 int value_len, info_len, param_len, ret, i;
850 value_len = sizeof(__le32);
851 else if (value_type == 2)
852 value_len = strlen(value) * sizeof(__le16);
856 param_len = strlen(param) * sizeof(__le16);
857 info_len = sizeof(*infobuf) + param_len + value_len;
862 infobuf = kmalloc(info_len, GFP_KERNEL);
868 /* extra 12 bytes are for padding (debug output) */
869 memset(infobuf, 0xCC, info_len + 12);
873 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
876 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
877 param, *(u32 *)value);
879 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
880 infobuf->name_length = cpu_to_le32(param_len);
881 infobuf->type = cpu_to_le32(value_type);
882 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
883 infobuf->value_length = cpu_to_le32(value_len);
885 /* simple string to unicode string conversion */
886 unibuf = (void *)infobuf + sizeof(*infobuf);
887 for (i = 0; i < param_len / sizeof(__le16); i++)
888 unibuf[i] = cpu_to_le16(param[i]);
890 if (value_type == 2) {
891 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
892 for (i = 0; i < value_len / sizeof(__le16); i++)
893 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
895 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
896 *dst_value = cpu_to_le32(*(u32 *)value);
900 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
901 for (i = 0; i < info_len; i += 12) {
902 u32 *tmp = (u32 *)((u8 *)infobuf + i);
903 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
906 cpu_to_be32(tmp[2]));
910 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
913 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
920 static int rndis_set_config_parameter_str(struct usbnet *dev,
921 char *param, char *value)
923 return rndis_set_config_parameter(dev, param, 2, value);
927 * data conversion functions
929 static int level_to_qual(int level)
931 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
932 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
938 static int set_infra_mode(struct usbnet *usbdev, int mode);
939 static void restore_keys(struct usbnet *usbdev);
940 static int rndis_check_bssid_list(struct usbnet *usbdev);
942 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
944 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
947 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
949 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
953 memcpy(&priv->essid, ssid, sizeof(priv->essid));
954 priv->radio_on = true;
955 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
961 static int set_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
965 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
967 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
975 static int clear_bssid(struct usbnet *usbdev)
977 u8 broadcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
979 return set_bssid(usbdev, broadcast_mac);
982 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
987 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
990 memset(bssid, 0, ETH_ALEN);
995 static int get_association_info(struct usbnet *usbdev,
996 struct ndis_80211_assoc_info *info, int len)
998 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1002 static bool is_associated(struct usbnet *usbdev)
1004 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1008 if (!priv->radio_on)
1011 ret = get_bssid(usbdev, bssid);
1013 return (ret == 0 && !is_zero_ether_addr(bssid));
1016 static int disassociate(struct usbnet *usbdev, bool reset_ssid)
1018 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1019 struct ndis_80211_ssid ssid;
1022 if (priv->radio_on) {
1023 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1025 priv->radio_on = false;
1026 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1034 /* disassociate causes radio to be turned off; if reset_ssid
1035 * is given, set random ssid to enable radio */
1037 /* Set device to infrastructure mode so we don't get ad-hoc
1038 * 'media connect' indications with the random ssid.
1040 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1042 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1043 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1044 ssid.essid[0] = 0x1;
1045 ssid.essid[1] = 0xff;
1046 for (i = 2; i < sizeof(ssid.essid); i++)
1047 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1048 ret = set_essid(usbdev, &ssid);
1053 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1054 enum nl80211_auth_type auth_type, int keymgmt)
1056 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1060 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1061 __func__, wpa_version, auth_type, keymgmt);
1063 if (wpa_version & NL80211_WPA_VERSION_2) {
1064 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1065 auth_mode = NDIS_80211_AUTH_WPA2;
1067 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1068 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1069 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1070 auth_mode = NDIS_80211_AUTH_WPA;
1071 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1072 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1074 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1075 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1076 auth_mode = NDIS_80211_AUTH_SHARED;
1077 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1078 auth_mode = NDIS_80211_AUTH_OPEN;
1079 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1080 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1084 tmp = cpu_to_le32(auth_mode);
1085 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1088 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1093 priv->wpa_version = wpa_version;
1094 priv->wpa_auth_type = auth_type;
1095 priv->wpa_keymgmt = keymgmt;
1100 static int set_priv_filter(struct usbnet *usbdev)
1102 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1105 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1106 __func__, priv->wpa_version);
1108 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1109 priv->wpa_version & NL80211_WPA_VERSION_1)
1110 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1112 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1114 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1118 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1120 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1124 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1125 __func__, pairwise, groupwise);
1127 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1128 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1129 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1130 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1131 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1132 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1133 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1134 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1135 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1136 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1138 encr_mode = NDIS_80211_ENCR_DISABLED;
1140 tmp = cpu_to_le32(encr_mode);
1141 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1144 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1149 priv->wpa_cipher_pair = pairwise;
1150 priv->wpa_cipher_group = groupwise;
1154 static int set_infra_mode(struct usbnet *usbdev, int mode)
1156 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1160 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1161 __func__, priv->infra_mode);
1163 tmp = cpu_to_le32(mode);
1164 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1167 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1172 /* NDIS drivers clear keys when infrastructure mode is
1173 * changed. But Linux tools assume otherwise. So set the
1175 restore_keys(usbdev);
1177 priv->infra_mode = mode;
1181 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1185 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
1187 if (rts_threshold < 0 || rts_threshold > 2347)
1188 rts_threshold = 2347;
1190 tmp = cpu_to_le32(rts_threshold);
1191 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1195 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1199 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
1201 if (frag_threshold < 256 || frag_threshold > 2346)
1202 frag_threshold = 2346;
1204 tmp = cpu_to_le32(frag_threshold);
1205 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1209 static void set_default_iw_params(struct usbnet *usbdev)
1211 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1212 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1213 RNDIS_WLAN_KEY_MGMT_NONE);
1214 set_priv_filter(usbdev);
1215 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1218 static int deauthenticate(struct usbnet *usbdev)
1222 ret = disassociate(usbdev, true);
1223 set_default_iw_params(usbdev);
1227 static int set_channel(struct usbnet *usbdev, int channel)
1229 struct ndis_80211_conf config;
1230 unsigned int dsconfig;
1233 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
1235 /* this OID is valid only when not associated */
1236 if (is_associated(usbdev))
1239 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1241 len = sizeof(config);
1242 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1244 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1249 config.ds_config = cpu_to_le32(dsconfig);
1250 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1253 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
1258 /* index must be 0 - N, as per NDIS */
1259 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1262 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1263 struct ndis_80211_wep_key ndis_key;
1267 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1268 __func__, index, key_len);
1270 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1274 cipher = WLAN_CIPHER_SUITE_WEP40;
1276 cipher = WLAN_CIPHER_SUITE_WEP104;
1278 memset(&ndis_key, 0, sizeof(ndis_key));
1280 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1281 ndis_key.length = cpu_to_le32(key_len);
1282 ndis_key.index = cpu_to_le32(index);
1283 memcpy(&ndis_key.material, key, key_len);
1285 if (index == priv->encr_tx_key_index) {
1286 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1287 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1288 RNDIS_WLAN_ALG_NONE);
1290 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1294 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1297 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1302 priv->encr_keys[index].len = key_len;
1303 priv->encr_keys[index].cipher = cipher;
1304 memcpy(&priv->encr_keys[index].material, key, key_len);
1305 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1310 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1311 int index, const u8 *addr, const u8 *rx_seq,
1312 int seq_len, u32 cipher, __le32 flags)
1314 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1315 struct ndis_80211_key ndis_key;
1319 if (index < 0 || index >= 4) {
1320 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1324 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1325 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1329 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1330 if (!rx_seq || seq_len <= 0) {
1331 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1335 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1336 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
1341 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1342 !is_broadcast_ether_addr(addr);
1343 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1344 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1349 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1351 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1352 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1353 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1355 memset(&ndis_key, 0, sizeof(ndis_key));
1357 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1358 sizeof(ndis_key.material) + key_len);
1359 ndis_key.length = cpu_to_le32(key_len);
1360 ndis_key.index = cpu_to_le32(index) | flags;
1362 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1363 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1364 * different order than NDIS spec, so swap the order here. */
1365 memcpy(ndis_key.material, key, 16);
1366 memcpy(ndis_key.material + 16, key + 24, 8);
1367 memcpy(ndis_key.material + 24, key + 16, 8);
1369 memcpy(ndis_key.material, key, key_len);
1371 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1372 memcpy(ndis_key.rsc, rx_seq, seq_len);
1374 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1376 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1379 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1380 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1382 get_bssid(usbdev, ndis_key.bssid);
1385 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1386 le32_to_cpu(ndis_key.size));
1387 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1392 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1393 priv->encr_keys[index].len = key_len;
1394 priv->encr_keys[index].cipher = cipher;
1395 memcpy(&priv->encr_keys[index].material, key, key_len);
1396 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1397 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1399 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1401 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1402 priv->encr_tx_key_index = index;
1407 static int restore_key(struct usbnet *usbdev, int key_idx)
1409 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1410 struct rndis_wlan_encr_key key;
1412 if (is_wpa_key(priv, key_idx))
1415 key = priv->encr_keys[key_idx];
1417 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
1422 return add_wep_key(usbdev, key.material, key.len, key_idx);
1425 static void restore_keys(struct usbnet *usbdev)
1429 for (i = 0; i < 4; i++)
1430 restore_key(usbdev, i);
1433 static void clear_key(struct rndis_wlan_private *priv, int idx)
1435 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1438 /* remove_key is for both wep and wpa */
1439 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1441 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1442 struct ndis_80211_remove_key remove_key;
1447 if (priv->encr_keys[index].len == 0)
1450 is_wpa = is_wpa_key(priv, index);
1452 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1453 __func__, index, is_wpa ? "wpa" : "wep",
1454 priv->encr_keys[index].len);
1456 clear_key(priv, index);
1459 remove_key.size = cpu_to_le32(sizeof(remove_key));
1460 remove_key.index = cpu_to_le32(index);
1463 if (!is_broadcast_ether_addr(bssid))
1465 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1466 memcpy(remove_key.bssid, bssid,
1467 sizeof(remove_key.bssid));
1469 memset(remove_key.bssid, 0xff,
1470 sizeof(remove_key.bssid));
1472 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1473 sizeof(remove_key));
1477 keyindex = cpu_to_le32(index);
1478 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1481 netdev_warn(usbdev->net,
1482 "removing encryption key %d failed (%08X)\n",
1488 /* if it is transmit key, disable encryption */
1489 if (index == priv->encr_tx_key_index)
1490 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1495 static void set_multicast_list(struct usbnet *usbdev)
1497 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1498 struct dev_mc_list *mclist;
1499 __le32 filter, basefilter;
1501 char *mc_addrs = NULL;
1504 basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
1505 RNDIS_PACKET_TYPE_BROADCAST;
1507 if (usbdev->net->flags & IFF_PROMISC) {
1508 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1509 RNDIS_PACKET_TYPE_ALL_LOCAL;
1510 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1511 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1514 if (filter != basefilter)
1518 * mc_list should be accessed holding the lock, so copy addresses to
1519 * local buffer first.
1521 netif_addr_lock_bh(usbdev->net);
1522 mc_count = netdev_mc_count(usbdev->net);
1523 if (mc_count > priv->multicast_size) {
1524 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1525 } else if (mc_count) {
1528 mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
1530 netdev_warn(usbdev->net,
1531 "couldn't alloc %d bytes of memory\n",
1532 mc_count * ETH_ALEN);
1533 netif_addr_unlock_bh(usbdev->net);
1537 netdev_for_each_mc_addr(mclist, usbdev->net)
1538 memcpy(mc_addrs + i++ * ETH_ALEN,
1539 mclist->dmi_addr, ETH_ALEN);
1541 netif_addr_unlock_bh(usbdev->net);
1543 if (filter != basefilter)
1547 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
1548 mc_count * ETH_ALEN);
1551 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1553 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1555 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1556 mc_count, priv->multicast_size, ret);
1560 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1563 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1564 le32_to_cpu(filter));
1567 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1568 le32_to_cpu(filter), ret);
1574 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1575 struct net_device *dev,
1576 enum nl80211_iftype type, u32 *flags,
1577 struct vif_params *params)
1579 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1580 struct usbnet *usbdev = priv->usbdev;
1584 case NL80211_IFTYPE_ADHOC:
1585 mode = NDIS_80211_INFRA_ADHOC;
1587 case NL80211_IFTYPE_STATION:
1588 mode = NDIS_80211_INFRA_INFRA;
1594 priv->wdev.iftype = type;
1596 return set_infra_mode(usbdev, mode);
1599 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1601 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1602 struct usbnet *usbdev = priv->usbdev;
1605 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1606 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1611 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1612 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1620 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1623 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1624 struct usbnet *usbdev = priv->usbdev;
1626 netdev_dbg(usbdev->net, "%s(): type:0x%x dbm:%i\n",
1627 __func__, type, dbm);
1629 /* Device doesn't support changing txpower after initialization, only
1630 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1633 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1634 if (!priv->radio_on)
1635 disassociate(usbdev, true); /* turn on radio */
1643 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1645 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1646 struct usbnet *usbdev = priv->usbdev;
1648 *dbm = get_bcm4320_power_dbm(priv);
1650 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
1655 #define SCAN_DELAY_JIFFIES (6 * HZ)
1656 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1657 struct cfg80211_scan_request *request)
1659 struct usbnet *usbdev = netdev_priv(dev);
1660 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1664 netdev_dbg(usbdev->net, "cfg80211.scan\n");
1666 /* Get current bssid list from device before new scan, as new scan
1667 * clears internal bssid list.
1669 rndis_check_bssid_list(usbdev);
1674 if (priv->scan_request && priv->scan_request != request)
1677 priv->scan_request = request;
1679 tmp = cpu_to_le32(1);
1680 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1683 /* Wait before retrieving scan results from device */
1684 queue_delayed_work(priv->workqueue, &priv->scan_work,
1685 SCAN_DELAY_JIFFIES);
1691 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1692 struct ndis_80211_bssid_ex *bssid)
1694 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1695 struct ieee80211_channel *channel;
1699 u16 beacon_interval;
1700 struct ndis_80211_fixed_ies *fixed;
1701 int ie_len, bssid_len;
1704 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM]\n",
1705 bssid->ssid.essid, bssid->mac);
1707 /* parse bssid structure */
1708 bssid_len = le32_to_cpu(bssid->length);
1710 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1711 sizeof(struct ndis_80211_fixed_ies))
1714 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1716 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1717 ie_len = min(bssid_len - (int)sizeof(*bssid),
1718 (int)le32_to_cpu(bssid->ie_length));
1719 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1723 /* extract data for cfg80211_inform_bss */
1724 channel = ieee80211_get_channel(priv->wdev.wiphy,
1725 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1729 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1730 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1731 capability = le16_to_cpu(fixed->capabilities);
1732 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1734 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1735 timestamp, capability, beacon_interval, ie, ie_len, signal,
1739 static int rndis_check_bssid_list(struct usbnet *usbdev)
1742 struct ndis_80211_bssid_list_ex *bssid_list;
1743 struct ndis_80211_bssid_ex *bssid;
1744 int ret = -EINVAL, len, count, bssid_len;
1745 bool resized = false;
1747 netdev_dbg(usbdev->net, "check_bssid_list\n");
1749 len = CONTROL_BUFFER_SIZE;
1751 buf = kmalloc(len, GFP_KERNEL);
1757 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1761 if (!resized && len > CONTROL_BUFFER_SIZE) {
1768 bssid = bssid_list->bssid;
1769 bssid_len = le32_to_cpu(bssid->length);
1770 count = le32_to_cpu(bssid_list->num_items);
1771 netdev_dbg(usbdev->net, "check_bssid_list: %d BSSIDs found (buflen: %d)\n",
1774 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1775 rndis_bss_info_update(usbdev, bssid);
1777 bssid = (void *)bssid + bssid_len;
1778 bssid_len = le32_to_cpu(bssid->length);
1787 static void rndis_get_scan_results(struct work_struct *work)
1789 struct rndis_wlan_private *priv =
1790 container_of(work, struct rndis_wlan_private, scan_work.work);
1791 struct usbnet *usbdev = priv->usbdev;
1794 netdev_dbg(usbdev->net, "get_scan_results\n");
1796 if (!priv->scan_request)
1799 ret = rndis_check_bssid_list(usbdev);
1801 cfg80211_scan_done(priv->scan_request, ret < 0);
1803 priv->scan_request = NULL;
1806 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
1807 struct cfg80211_connect_params *sme)
1809 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1810 struct usbnet *usbdev = priv->usbdev;
1811 struct ieee80211_channel *channel = sme->channel;
1812 struct ndis_80211_ssid ssid;
1813 int pairwise = RNDIS_WLAN_ALG_NONE;
1814 int groupwise = RNDIS_WLAN_ALG_NONE;
1815 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
1816 int length, i, ret, chan = -1;
1819 chan = ieee80211_frequency_to_channel(channel->center_freq);
1821 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
1822 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
1824 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
1826 if (sme->crypto.n_ciphers_pairwise > 0 &&
1827 pairwise == RNDIS_WLAN_ALG_NONE) {
1828 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
1832 for (i = 0; i < sme->crypto.n_akm_suites; i++)
1834 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
1836 if (sme->crypto.n_akm_suites > 0 &&
1837 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
1838 netdev_err(usbdev->net, "Invalid keymgmt\n");
1842 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
1843 sme->ssid, sme->bssid, chan,
1844 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
1845 groupwise, pairwise, keymgmt);
1847 if (is_associated(usbdev))
1848 disassociate(usbdev, false);
1850 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1852 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
1854 goto err_turn_radio_on;
1857 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
1860 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
1862 goto err_turn_radio_on;
1865 set_priv_filter(usbdev);
1867 ret = set_encr_mode(usbdev, pairwise, groupwise);
1869 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
1871 goto err_turn_radio_on;
1875 ret = set_channel(usbdev, chan);
1877 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
1879 goto err_turn_radio_on;
1883 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
1884 priv->encr_tx_key_index = sme->key_idx;
1885 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
1887 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
1888 ret, sme->key_len, sme->key_idx);
1889 goto err_turn_radio_on;
1893 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
1894 !is_broadcast_ether_addr(sme->bssid)) {
1895 ret = set_bssid(usbdev, sme->bssid);
1897 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
1899 goto err_turn_radio_on;
1902 clear_bssid(usbdev);
1904 length = sme->ssid_len;
1905 if (length > NDIS_802_11_LENGTH_SSID)
1906 length = NDIS_802_11_LENGTH_SSID;
1908 memset(&ssid, 0, sizeof(ssid));
1909 ssid.length = cpu_to_le32(length);
1910 memcpy(ssid.essid, sme->ssid, length);
1912 /* Pause and purge rx queue, so we don't pass packets before
1913 * 'media connect'-indication.
1915 usbnet_pause_rx(usbdev);
1916 usbnet_purge_paused_rxq(usbdev);
1918 ret = set_essid(usbdev, &ssid);
1920 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
1924 disassociate(usbdev, true);
1929 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
1932 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1933 struct usbnet *usbdev = priv->usbdev;
1935 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
1937 priv->connected = false;
1938 memset(priv->bssid, 0, ETH_ALEN);
1940 return deauthenticate(usbdev);
1943 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1944 struct cfg80211_ibss_params *params)
1946 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1947 struct usbnet *usbdev = priv->usbdev;
1948 struct ieee80211_channel *channel = params->channel;
1949 struct ndis_80211_ssid ssid;
1950 enum nl80211_auth_type auth_type;
1951 int ret, alg, length, chan = -1;
1954 chan = ieee80211_frequency_to_channel(channel->center_freq);
1956 /* TODO: How to handle ad-hoc encryption?
1957 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
1958 * pre-shared for encryption (open/shared/wpa), is key set before
1959 * join_ibss? Which auth_type to use (not in params)? What about WPA?
1961 if (params->privacy) {
1962 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
1963 alg = RNDIS_WLAN_ALG_WEP;
1965 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1966 alg = RNDIS_WLAN_ALG_NONE;
1969 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
1970 params->ssid, params->bssid, chan, params->privacy);
1972 if (is_associated(usbdev))
1973 disassociate(usbdev, false);
1975 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
1977 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
1979 goto err_turn_radio_on;
1982 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
1984 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
1986 goto err_turn_radio_on;
1989 set_priv_filter(usbdev);
1991 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
1993 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
1995 goto err_turn_radio_on;
1999 ret = set_channel(usbdev, chan);
2001 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2003 goto err_turn_radio_on;
2007 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2008 !is_broadcast_ether_addr(params->bssid)) {
2009 ret = set_bssid(usbdev, params->bssid);
2011 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2013 goto err_turn_radio_on;
2016 clear_bssid(usbdev);
2018 length = params->ssid_len;
2019 if (length > NDIS_802_11_LENGTH_SSID)
2020 length = NDIS_802_11_LENGTH_SSID;
2022 memset(&ssid, 0, sizeof(ssid));
2023 ssid.length = cpu_to_le32(length);
2024 memcpy(ssid.essid, params->ssid, length);
2026 /* Don't need to pause rx queue for ad-hoc. */
2027 usbnet_purge_paused_rxq(usbdev);
2028 usbnet_resume_rx(usbdev);
2030 ret = set_essid(usbdev, &ssid);
2032 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2037 disassociate(usbdev, true);
2042 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2044 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2045 struct usbnet *usbdev = priv->usbdev;
2047 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
2049 priv->connected = false;
2050 memset(priv->bssid, 0, ETH_ALEN);
2052 return deauthenticate(usbdev);
2055 static int rndis_set_channel(struct wiphy *wiphy,
2056 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2058 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2059 struct usbnet *usbdev = priv->usbdev;
2061 return set_channel(usbdev,
2062 ieee80211_frequency_to_channel(chan->center_freq));
2065 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2066 u8 key_index, const u8 *mac_addr,
2067 struct key_params *params)
2069 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2070 struct usbnet *usbdev = priv->usbdev;
2073 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2074 __func__, key_index, mac_addr, params->cipher);
2076 switch (params->cipher) {
2077 case WLAN_CIPHER_SUITE_WEP40:
2078 case WLAN_CIPHER_SUITE_WEP104:
2079 return add_wep_key(usbdev, params->key, params->key_len,
2081 case WLAN_CIPHER_SUITE_TKIP:
2082 case WLAN_CIPHER_SUITE_CCMP:
2085 if (params->seq && params->seq_len > 0)
2086 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2088 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2089 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2091 return add_wpa_key(usbdev, params->key, params->key_len,
2092 key_index, mac_addr, params->seq,
2093 params->seq_len, params->cipher, flags);
2095 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2096 __func__, params->cipher);
2101 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2102 u8 key_index, const u8 *mac_addr)
2104 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2105 struct usbnet *usbdev = priv->usbdev;
2107 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
2109 return remove_key(usbdev, key_index, mac_addr);
2112 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2115 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2116 struct usbnet *usbdev = priv->usbdev;
2117 struct rndis_wlan_encr_key key;
2119 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
2121 priv->encr_tx_key_index = key_index;
2123 key = priv->encr_keys[key_index];
2125 return add_wep_key(usbdev, key.material, key.len, key_index);
2128 static void rndis_fill_station_info(struct usbnet *usbdev,
2129 struct station_info *sinfo)
2131 __le32 linkspeed, rssi;
2134 memset(sinfo, 0, sizeof(*sinfo));
2136 len = sizeof(linkspeed);
2137 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2139 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2140 sinfo->filled |= STATION_INFO_TX_BITRATE;
2144 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2146 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2147 sinfo->filled |= STATION_INFO_SIGNAL;
2151 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2152 u8 *mac, struct station_info *sinfo)
2154 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2155 struct usbnet *usbdev = priv->usbdev;
2157 if (compare_ether_addr(priv->bssid, mac))
2160 rndis_fill_station_info(usbdev, sinfo);
2165 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2166 int idx, u8 *mac, struct station_info *sinfo)
2168 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2169 struct usbnet *usbdev = priv->usbdev;
2174 memcpy(mac, priv->bssid, ETH_ALEN);
2176 rndis_fill_station_info(usbdev, sinfo);
2182 * workers, indication handlers, device poller
2184 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2186 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2187 struct ndis_80211_assoc_info *info;
2188 u8 assoc_buf[sizeof(*info) + IW_CUSTOM_MAX + 32];
2190 int resp_ie_len, req_ie_len;
2191 u8 *req_ie, *resp_ie;
2193 bool roamed = false;
2195 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2196 /* received media connect indication while connected, either
2197 * device reassociated with same AP or roamed to new. */
2206 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2207 memset(assoc_buf, 0, sizeof(assoc_buf));
2208 info = (void *)assoc_buf;
2210 /* Get association info IEs from device and send them back to
2212 ret = get_association_info(usbdev, info, sizeof(assoc_buf));
2214 req_ie_len = le32_to_cpu(info->req_ie_length);
2215 if (req_ie_len > 0) {
2216 offset = le32_to_cpu(info->offset_req_ies);
2217 req_ie = (u8 *)info + offset;
2220 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2221 if (resp_ie_len > 0) {
2222 offset = le32_to_cpu(info->offset_resp_ies);
2223 resp_ie = (u8 *)info + offset;
2226 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2229 ret = get_bssid(usbdev, bssid);
2231 memset(bssid, 0, sizeof(bssid));
2233 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2234 bssid, roamed ? " roamed" : "");
2236 /* Internal bss list in device always contains at least the currently
2237 * connected bss and we can get it to cfg80211 with
2238 * rndis_check_bssid_list().
2239 * NOTE: This is true for Broadcom chip, but not mentioned in RNDIS
2242 rndis_check_bssid_list(usbdev);
2244 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2246 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2247 req_ie_len, resp_ie,
2248 resp_ie_len, 0, GFP_KERNEL);
2250 cfg80211_roamed(usbdev->net, bssid, req_ie, req_ie_len,
2251 resp_ie, resp_ie_len, GFP_KERNEL);
2252 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2253 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2255 priv->connected = true;
2256 memcpy(priv->bssid, bssid, ETH_ALEN);
2258 usbnet_resume_rx(usbdev);
2259 netif_carrier_on(usbdev->net);
2262 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2264 union iwreq_data evt;
2266 netif_carrier_off(usbdev->net);
2269 evt.data.length = 0;
2270 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2271 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2274 static void rndis_wlan_worker(struct work_struct *work)
2276 struct rndis_wlan_private *priv =
2277 container_of(work, struct rndis_wlan_private, work);
2278 struct usbnet *usbdev = priv->usbdev;
2280 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2281 rndis_wlan_do_link_up_work(usbdev);
2283 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2284 rndis_wlan_do_link_down_work(usbdev);
2286 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2287 set_multicast_list(usbdev);
2290 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2292 struct usbnet *usbdev = netdev_priv(dev);
2293 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2295 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2298 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2299 queue_work(priv->workqueue, &priv->work);
2302 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2303 struct ndis_80211_status_indication *indication,
2308 int flags, buflen, key_id;
2309 bool pairwise_error, group_error;
2310 struct ndis_80211_auth_request *auth_req;
2311 enum nl80211_key_type key_type;
2313 /* must have at least one array entry */
2314 if (len < offsetof(struct ndis_80211_status_indication, u) +
2315 sizeof(struct ndis_80211_auth_request)) {
2316 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2321 buf = (void *)&indication->u.auth_request[0];
2322 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2324 while (buflen >= sizeof(*auth_req)) {
2325 auth_req = (void *)buf;
2327 flags = le32_to_cpu(auth_req->flags);
2328 pairwise_error = false;
2329 group_error = false;
2332 type = "reauth request";
2334 type = "key update request";
2336 pairwise_error = true;
2337 type = "pairwise_error";
2341 type = "group_error";
2344 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2345 type, le32_to_cpu(auth_req->flags));
2347 if (pairwise_error) {
2348 key_type = NL80211_KEYTYPE_PAIRWISE;
2351 cfg80211_michael_mic_failure(usbdev->net,
2353 key_type, key_id, NULL,
2358 key_type = NL80211_KEYTYPE_GROUP;
2361 cfg80211_michael_mic_failure(usbdev->net,
2363 key_type, key_id, NULL,
2367 buflen -= le32_to_cpu(auth_req->length);
2368 buf += le32_to_cpu(auth_req->length);
2372 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2373 struct ndis_80211_status_indication *indication,
2376 struct ndis_80211_pmkid_cand_list *cand_list;
2377 int list_len, expected_len, i;
2379 if (len < offsetof(struct ndis_80211_status_indication, u) +
2380 sizeof(struct ndis_80211_pmkid_cand_list)) {
2381 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2386 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2387 sizeof(struct ndis_80211_pmkid_candidate);
2388 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2389 offsetof(struct ndis_80211_status_indication, u);
2391 if (len < expected_len) {
2392 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2397 cand_list = &indication->u.cand_list;
2399 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
2400 le32_to_cpu(cand_list->version),
2401 le32_to_cpu(cand_list->num_candidates));
2403 if (le32_to_cpu(cand_list->version) != 1)
2406 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2407 struct ndis_80211_pmkid_candidate *cand =
2408 &cand_list->candidate_list[i];
2410 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
2411 i, le32_to_cpu(cand->flags), cand->bssid);
2414 struct iw_pmkid_cand pcand;
2415 union iwreq_data wrqu;
2417 memset(&pcand, 0, sizeof(pcand));
2418 if (le32_to_cpu(cand->flags) & 0x01)
2419 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2421 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2423 memset(&wrqu, 0, sizeof(wrqu));
2424 wrqu.data.length = sizeof(pcand);
2425 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2431 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2432 struct rndis_indicate *msg, int buflen)
2434 struct ndis_80211_status_indication *indication;
2437 offset = offsetof(struct rndis_indicate, status) +
2438 le32_to_cpu(msg->offset);
2439 len = le32_to_cpu(msg->length);
2442 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
2447 if (offset + len > buflen) {
2448 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
2449 offset + len, buflen);
2453 indication = (void *)((u8 *)msg + offset);
2455 switch (le32_to_cpu(indication->status_type)) {
2456 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2457 netdev_info(usbdev->net, "radio state indication: %i\n",
2458 le32_to_cpu(indication->u.radio_status));
2461 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2462 netdev_info(usbdev->net, "media stream mode indication: %i\n",
2463 le32_to_cpu(indication->u.media_stream_mode));
2466 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2467 rndis_wlan_auth_indication(usbdev, indication, len);
2470 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2471 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2475 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
2476 le32_to_cpu(indication->status_type));
2480 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2482 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2483 struct rndis_indicate *msg = ind;
2485 switch (msg->status) {
2486 case RNDIS_STATUS_MEDIA_CONNECT:
2487 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2488 /* OID_802_11_ADD_KEY causes sometimes extra
2489 * "media connect" indications which confuses driver
2490 * and userspace to think that device is
2491 * roaming/reassociating when it isn't.
2493 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
2497 usbnet_pause_rx(usbdev);
2499 netdev_info(usbdev->net, "media connect\n");
2501 /* queue work to avoid recursive calls into rndis_command */
2502 set_bit(WORK_LINK_UP, &priv->work_pending);
2503 queue_work(priv->workqueue, &priv->work);
2506 case RNDIS_STATUS_MEDIA_DISCONNECT:
2507 netdev_info(usbdev->net, "media disconnect\n");
2509 /* queue work to avoid recursive calls into rndis_command */
2510 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2511 queue_work(priv->workqueue, &priv->work);
2514 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2515 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2519 netdev_info(usbdev->net, "indication: 0x%08x\n",
2520 le32_to_cpu(msg->status));
2525 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2530 } networks_supported;
2531 int len, retval, i, n;
2532 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2534 /* determine supported modes */
2535 len = sizeof(networks_supported);
2536 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2537 &networks_supported, &len);
2539 n = le32_to_cpu(networks_supported.num_items);
2542 for (i = 0; i < n; i++) {
2543 switch (le32_to_cpu(networks_supported.items[i])) {
2544 case NDIS_80211_TYPE_FREQ_HOP:
2545 case NDIS_80211_TYPE_DIRECT_SEQ:
2546 priv->caps |= CAP_MODE_80211B;
2548 case NDIS_80211_TYPE_OFDM_A:
2549 priv->caps |= CAP_MODE_80211A;
2551 case NDIS_80211_TYPE_OFDM_G:
2552 priv->caps |= CAP_MODE_80211G;
2561 #define DEVICE_POLLER_JIFFIES (HZ)
2562 static void rndis_device_poller(struct work_struct *work)
2564 struct rndis_wlan_private *priv =
2565 container_of(work, struct rndis_wlan_private,
2566 dev_poller_work.work);
2567 struct usbnet *usbdev = priv->usbdev;
2570 int update_jiffies = DEVICE_POLLER_JIFFIES;
2573 /* Only check/do workaround when connected. Calling is_associated()
2574 * also polls device with rndis_command() and catches for media link
2577 if (!is_associated(usbdev))
2581 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2583 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
2585 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
2586 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
2588 /* Workaround transfer stalls on poor quality links.
2589 * TODO: find right way to fix these stalls (as stalls do not happen
2590 * with ndiswrapper/windows driver). */
2591 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
2592 /* Decrease stats worker interval to catch stalls.
2593 * faster. Faster than 400-500ms causes packet loss,
2594 * Slower doesn't catch stalls fast enough.
2596 j = msecs_to_jiffies(priv->param_workaround_interval);
2597 if (j > DEVICE_POLLER_JIFFIES)
2598 j = DEVICE_POLLER_JIFFIES;
2603 /* Send scan OID. Use of both OIDs is required to get device
2606 tmp = cpu_to_le32(1);
2607 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2610 len = CONTROL_BUFFER_SIZE;
2611 buf = kmalloc(len, GFP_KERNEL);
2615 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2620 if (update_jiffies >= HZ)
2621 update_jiffies = round_jiffies_relative(update_jiffies);
2623 j = round_jiffies_relative(update_jiffies);
2624 if (abs(j - update_jiffies) <= 10)
2628 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2633 * driver/device initialization
2635 static void rndis_copy_module_params(struct usbnet *usbdev)
2637 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2639 priv->param_country[0] = modparam_country[0];
2640 priv->param_country[1] = modparam_country[1];
2641 priv->param_country[2] = 0;
2642 priv->param_frameburst = modparam_frameburst;
2643 priv->param_afterburner = modparam_afterburner;
2644 priv->param_power_save = modparam_power_save;
2645 priv->param_power_output = modparam_power_output;
2646 priv->param_roamtrigger = modparam_roamtrigger;
2647 priv->param_roamdelta = modparam_roamdelta;
2649 priv->param_country[0] = toupper(priv->param_country[0]);
2650 priv->param_country[1] = toupper(priv->param_country[1]);
2651 /* doesn't support EU as country code, use FI instead */
2652 if (!strcmp(priv->param_country, "EU"))
2653 strcpy(priv->param_country, "FI");
2655 if (priv->param_power_save < 0)
2656 priv->param_power_save = 0;
2657 else if (priv->param_power_save > 2)
2658 priv->param_power_save = 2;
2660 if (priv->param_power_output < 0)
2661 priv->param_power_output = 0;
2662 else if (priv->param_power_output > 3)
2663 priv->param_power_output = 3;
2665 if (priv->param_roamtrigger < -80)
2666 priv->param_roamtrigger = -80;
2667 else if (priv->param_roamtrigger > -60)
2668 priv->param_roamtrigger = -60;
2670 if (priv->param_roamdelta < 0)
2671 priv->param_roamdelta = 0;
2672 else if (priv->param_roamdelta > 2)
2673 priv->param_roamdelta = 2;
2675 if (modparam_workaround_interval < 0)
2676 priv->param_workaround_interval = 500;
2678 priv->param_workaround_interval = modparam_workaround_interval;
2681 static int bcm4320a_early_init(struct usbnet *usbdev)
2683 /* copy module parameters for bcm4320a so that iwconfig reports txpower
2684 * and workaround parameter is copied to private structure correctly.
2686 rndis_copy_module_params(usbdev);
2688 /* bcm4320a doesn't handle configuration parameters well. Try
2689 * set any and you get partially zeroed mac and broken device.
2695 static int bcm4320b_early_init(struct usbnet *usbdev)
2697 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2700 rndis_copy_module_params(usbdev);
2702 /* Early initialization settings, setting these won't have effect
2703 * if called after generic_rndis_bind().
2706 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2707 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2708 priv->param_frameburst ? "1" : "0");
2709 rndis_set_config_parameter_str(usbdev, "Afterburner",
2710 priv->param_afterburner ? "1" : "0");
2711 sprintf(buf, "%d", priv->param_power_save);
2712 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2713 sprintf(buf, "%d", priv->param_power_output);
2714 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2715 sprintf(buf, "%d", priv->param_roamtrigger);
2716 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2717 sprintf(buf, "%d", priv->param_roamdelta);
2718 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2723 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
2724 /* same as rndis_netdev_ops but with local multicast handler */
2725 static const struct net_device_ops rndis_wlan_netdev_ops = {
2726 .ndo_open = usbnet_open,
2727 .ndo_stop = usbnet_stop,
2728 .ndo_start_xmit = usbnet_start_xmit,
2729 .ndo_tx_timeout = usbnet_tx_timeout,
2730 .ndo_set_mac_address = eth_mac_addr,
2731 .ndo_validate_addr = eth_validate_addr,
2732 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2736 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2738 struct wiphy *wiphy;
2739 struct rndis_wlan_private *priv;
2743 /* allocate wiphy and rndis private data
2744 * NOTE: We only support a single virtual interface, so wiphy
2745 * and wireless_dev are somewhat synonymous for this device.
2747 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2751 priv = wiphy_priv(wiphy);
2752 usbdev->net->ieee80211_ptr = &priv->wdev;
2753 priv->wdev.wiphy = wiphy;
2754 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2756 /* These have to be initialized before calling generic_rndis_bind().
2757 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2759 usbdev->driver_priv = priv;
2760 priv->usbdev = usbdev;
2762 mutex_init(&priv->command_lock);
2764 /* because rndis_command() sleeps we need to use workqueue */
2765 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2766 INIT_WORK(&priv->work, rndis_wlan_worker);
2767 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
2768 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2770 /* try bind rndis_host */
2771 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2775 /* generic_rndis_bind set packet filter to multicast_all+
2776 * promisc mode which doesn't work well for our devices (device
2777 * picks up rssi to closest station instead of to access point).
2779 * rndis_host wants to avoid all OID as much as possible
2780 * so do promisc/multicast handling in rndis_wlan.
2782 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
2783 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2785 usbdev->net->set_multicast_list = rndis_wlan_set_multicast_list;
2788 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2789 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2793 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2795 priv->multicast_size = le32_to_cpu(tmp);
2796 if (retval < 0 || priv->multicast_size < 0)
2797 priv->multicast_size = 0;
2798 if (priv->multicast_size > 0)
2799 usbdev->net->flags |= IFF_MULTICAST;
2801 usbdev->net->flags &= ~IFF_MULTICAST;
2803 /* fill-out wiphy structure and register w/ cfg80211 */
2804 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2805 wiphy->privid = rndis_wiphy_privid;
2806 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2807 | BIT(NL80211_IFTYPE_ADHOC);
2808 wiphy->max_scan_ssids = 1;
2810 /* TODO: fill-out band/encr information based on priv->caps */
2811 rndis_wlan_get_caps(usbdev);
2813 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2814 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2815 priv->band.channels = priv->channels;
2816 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2817 priv->band.bitrates = priv->rates;
2818 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2819 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2820 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2822 memcpy(priv->cipher_suites, rndis_cipher_suites,
2823 sizeof(rndis_cipher_suites));
2824 wiphy->cipher_suites = priv->cipher_suites;
2825 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
2827 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2829 if (wiphy_register(wiphy)) {
2834 set_default_iw_params(usbdev);
2836 /* set default rts/frag */
2837 rndis_set_wiphy_params(wiphy,
2838 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2841 priv->radio_on = true;
2842 disassociate(usbdev, true);
2843 netif_carrier_off(usbdev->net);
2848 cancel_delayed_work_sync(&priv->dev_poller_work);
2849 cancel_delayed_work_sync(&priv->scan_work);
2850 cancel_work_sync(&priv->work);
2851 flush_workqueue(priv->workqueue);
2852 destroy_workqueue(priv->workqueue);
2858 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2860 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2862 /* turn radio off */
2863 disassociate(usbdev, false);
2865 cancel_delayed_work_sync(&priv->dev_poller_work);
2866 cancel_delayed_work_sync(&priv->scan_work);
2867 cancel_work_sync(&priv->work);
2868 flush_workqueue(priv->workqueue);
2869 destroy_workqueue(priv->workqueue);
2871 if (priv && priv->wpa_ie_len)
2872 kfree(priv->wpa_ie);
2874 rndis_unbind(usbdev, intf);
2876 wiphy_unregister(priv->wdev.wiphy);
2877 wiphy_free(priv->wdev.wiphy);
2880 static int rndis_wlan_reset(struct usbnet *usbdev)
2882 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2885 netdev_dbg(usbdev->net, "%s()\n", __func__);
2887 retval = rndis_reset(usbdev);
2889 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
2891 /* rndis_reset cleared multicast list, so restore here.
2892 (set_multicast_list() also turns on current packet filter) */
2893 set_multicast_list(usbdev);
2895 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
2896 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
2898 return deauthenticate(usbdev);
2901 static int rndis_wlan_stop(struct usbnet *usbdev)
2903 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2907 netdev_dbg(usbdev->net, "%s()\n", __func__);
2909 retval = disassociate(usbdev, false);
2911 priv->work_pending = 0;
2912 cancel_delayed_work_sync(&priv->dev_poller_work);
2913 cancel_delayed_work_sync(&priv->scan_work);
2914 cancel_work_sync(&priv->work);
2915 flush_workqueue(priv->workqueue);
2917 if (priv->scan_request) {
2918 cfg80211_scan_done(priv->scan_request, true);
2919 priv->scan_request = NULL;
2922 /* Set current packet filter zero to block receiving data packets from
2925 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2931 static const struct driver_info bcm4320b_info = {
2932 .description = "Wireless RNDIS device, BCM4320b based",
2933 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2934 FLAG_AVOID_UNLINK_URBS,
2935 .bind = rndis_wlan_bind,
2936 .unbind = rndis_wlan_unbind,
2937 .status = rndis_status,
2938 .rx_fixup = rndis_rx_fixup,
2939 .tx_fixup = rndis_tx_fixup,
2940 .reset = rndis_wlan_reset,
2941 .stop = rndis_wlan_stop,
2942 .early_init = bcm4320b_early_init,
2943 .indication = rndis_wlan_indication,
2946 static const struct driver_info bcm4320a_info = {
2947 .description = "Wireless RNDIS device, BCM4320a based",
2948 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2949 FLAG_AVOID_UNLINK_URBS,
2950 .bind = rndis_wlan_bind,
2951 .unbind = rndis_wlan_unbind,
2952 .status = rndis_status,
2953 .rx_fixup = rndis_rx_fixup,
2954 .tx_fixup = rndis_tx_fixup,
2955 .reset = rndis_wlan_reset,
2956 .stop = rndis_wlan_stop,
2957 .early_init = bcm4320a_early_init,
2958 .indication = rndis_wlan_indication,
2961 static const struct driver_info rndis_wlan_info = {
2962 .description = "Wireless RNDIS device",
2963 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2964 FLAG_AVOID_UNLINK_URBS,
2965 .bind = rndis_wlan_bind,
2966 .unbind = rndis_wlan_unbind,
2967 .status = rndis_status,
2968 .rx_fixup = rndis_rx_fixup,
2969 .tx_fixup = rndis_tx_fixup,
2970 .reset = rndis_wlan_reset,
2971 .stop = rndis_wlan_stop,
2972 .early_init = bcm4320a_early_init,
2973 .indication = rndis_wlan_indication,
2976 /*-------------------------------------------------------------------------*/
2978 static const struct usb_device_id products [] = {
2979 #define RNDIS_MASTER_INTERFACE \
2980 .bInterfaceClass = USB_CLASS_COMM, \
2981 .bInterfaceSubClass = 2 /* ACM */, \
2982 .bInterfaceProtocol = 0x0ff
2984 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2985 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2988 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2989 | USB_DEVICE_ID_MATCH_DEVICE,
2991 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2992 RNDIS_MASTER_INTERFACE,
2993 .driver_info = (unsigned long) &bcm4320b_info,
2995 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2996 | USB_DEVICE_ID_MATCH_DEVICE,
2998 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2999 RNDIS_MASTER_INTERFACE,
3000 .driver_info = (unsigned long) &bcm4320b_info,
3002 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3003 | USB_DEVICE_ID_MATCH_DEVICE,
3005 .idProduct = 0x011b, /* Belkin F5D7051 */
3006 RNDIS_MASTER_INTERFACE,
3007 .driver_info = (unsigned long) &bcm4320b_info,
3009 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3010 | USB_DEVICE_ID_MATCH_DEVICE,
3011 .idVendor = 0x1799, /* Belkin has two vendor ids */
3012 .idProduct = 0x011b, /* Belkin F5D7051 */
3013 RNDIS_MASTER_INTERFACE,
3014 .driver_info = (unsigned long) &bcm4320b_info,
3016 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3017 | USB_DEVICE_ID_MATCH_DEVICE,
3019 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3020 RNDIS_MASTER_INTERFACE,
3021 .driver_info = (unsigned long) &bcm4320b_info,
3023 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3024 | USB_DEVICE_ID_MATCH_DEVICE,
3026 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3027 RNDIS_MASTER_INTERFACE,
3028 .driver_info = (unsigned long) &bcm4320b_info,
3030 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3031 | USB_DEVICE_ID_MATCH_DEVICE,
3033 .idProduct = 0x1717, /* Asus WL169gE */
3034 RNDIS_MASTER_INTERFACE,
3035 .driver_info = (unsigned long) &bcm4320b_info,
3037 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3038 | USB_DEVICE_ID_MATCH_DEVICE,
3040 .idProduct = 0xd11b, /* Eminent EM4045 */
3041 RNDIS_MASTER_INTERFACE,
3042 .driver_info = (unsigned long) &bcm4320b_info,
3044 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3045 | USB_DEVICE_ID_MATCH_DEVICE,
3047 .idProduct = 0x0715, /* BT Voyager 1055 */
3048 RNDIS_MASTER_INTERFACE,
3049 .driver_info = (unsigned long) &bcm4320b_info,
3051 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3052 * parameters available, hardware probably contain older firmware version with
3053 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3056 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3057 | USB_DEVICE_ID_MATCH_DEVICE,
3059 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3060 RNDIS_MASTER_INTERFACE,
3061 .driver_info = (unsigned long) &bcm4320a_info,
3063 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3064 | USB_DEVICE_ID_MATCH_DEVICE,
3066 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3067 RNDIS_MASTER_INTERFACE,
3068 .driver_info = (unsigned long) &bcm4320a_info,
3070 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3071 | USB_DEVICE_ID_MATCH_DEVICE,
3073 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3074 RNDIS_MASTER_INTERFACE,
3075 .driver_info = (unsigned long) &bcm4320a_info,
3077 /* Generic Wireless RNDIS devices that we don't have exact
3078 * idVendor/idProduct/chip yet.
3081 /* RNDIS is MSFT's un-official variant of CDC ACM */
3082 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3083 .driver_info = (unsigned long) &rndis_wlan_info,
3085 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3086 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3087 .driver_info = (unsigned long) &rndis_wlan_info,
3091 MODULE_DEVICE_TABLE(usb, products);
3093 static struct usb_driver rndis_wlan_driver = {
3094 .name = "rndis_wlan",
3095 .id_table = products,
3096 .probe = usbnet_probe,
3097 .disconnect = usbnet_disconnect,
3098 .suspend = usbnet_suspend,
3099 .resume = usbnet_resume,
3102 static int __init rndis_wlan_init(void)
3104 return usb_register(&rndis_wlan_driver);
3106 module_init(rndis_wlan_init);
3108 static void __exit rndis_wlan_exit(void)
3110 usb_deregister(&rndis_wlan_driver);
3112 module_exit(rndis_wlan_exit);
3114 MODULE_AUTHOR("Bjorge Dijkstra");
3115 MODULE_AUTHOR("Jussi Kivilinna");
3116 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3117 MODULE_LICENSE("GPL");