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_addkey_bits {
205 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
206 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
207 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
208 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
211 enum ndis_80211_addwep_bits {
212 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
213 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
216 struct ndis_80211_ssid {
218 u8 essid[NDIS_802_11_LENGTH_SSID];
219 } __attribute__((packed));
221 struct ndis_80211_conf_freq_hop {
226 } __attribute__((packed));
228 struct ndis_80211_conf {
230 __le32 beacon_period;
233 struct ndis_80211_conf_freq_hop fh_config;
234 } __attribute__((packed));
236 struct ndis_80211_bssid_ex {
240 struct ndis_80211_ssid ssid;
244 struct ndis_80211_conf config;
246 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
249 } __attribute__((packed));
251 struct ndis_80211_bssid_list_ex {
253 struct ndis_80211_bssid_ex bssid[0];
254 } __attribute__((packed));
256 struct ndis_80211_fixed_ies {
258 __le16 beacon_interval;
260 } __attribute__((packed));
262 struct ndis_80211_wep_key {
267 } __attribute__((packed));
269 struct ndis_80211_key {
277 } __attribute__((packed));
279 struct ndis_80211_remove_key {
283 } __attribute__((packed));
285 struct ndis_config_param {
291 } __attribute__((packed));
293 struct ndis_80211_assoc_info {
298 __le16 listen_interval;
299 u8 cur_ap_address[6];
301 __le32 req_ie_length;
302 __le32 offset_req_ies;
309 __le32 resp_ie_length;
310 __le32 offset_resp_ies;
311 } __attribute__((packed));
313 /* these have to match what is in wpa_supplicant */
314 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
315 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
317 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
318 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
323 #define NET_TYPE_11FB 0
325 #define CAP_MODE_80211A 1
326 #define CAP_MODE_80211B 2
327 #define CAP_MODE_80211G 4
328 #define CAP_MODE_MASK 7
330 #define WORK_LINK_UP (1<<0)
331 #define WORK_LINK_DOWN (1<<1)
332 #define WORK_SET_MULTICAST_LIST (1<<2)
334 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
336 static const struct ieee80211_channel rndis_channels[] = {
337 { .center_freq = 2412 },
338 { .center_freq = 2417 },
339 { .center_freq = 2422 },
340 { .center_freq = 2427 },
341 { .center_freq = 2432 },
342 { .center_freq = 2437 },
343 { .center_freq = 2442 },
344 { .center_freq = 2447 },
345 { .center_freq = 2452 },
346 { .center_freq = 2457 },
347 { .center_freq = 2462 },
348 { .center_freq = 2467 },
349 { .center_freq = 2472 },
350 { .center_freq = 2484 },
353 static const struct ieee80211_rate rndis_rates[] = {
355 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
356 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
357 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
368 /* RNDIS device private data */
369 struct rndis_wlan_private {
370 struct usbnet *usbdev;
372 struct wireless_dev wdev;
374 struct cfg80211_scan_request *scan_request;
376 struct workqueue_struct *workqueue;
377 struct delayed_work stats_work;
378 struct delayed_work scan_work;
379 struct work_struct work;
380 struct mutex command_lock;
381 spinlock_t stats_lock;
382 unsigned long work_pending;
384 struct ieee80211_supported_band band;
385 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
386 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
388 struct iw_statistics iwstats;
389 struct iw_statistics privstats;
394 /* module parameters */
395 char param_country[4];
396 int param_frameburst;
397 int param_afterburner;
398 int param_power_save;
399 int param_power_output;
400 int param_roamtrigger;
402 u32 param_workaround_interval;
407 struct ndis_80211_ssid essid;
409 /* encryption stuff */
410 int encr_tx_key_index;
411 char encr_keys[4][32];
413 char encr_key_wpa[4];
420 int wpa_cipher_group;
422 u8 command_buffer[COMMAND_BUFFER_SIZE];
428 static int rndis_change_virtual_intf(struct wiphy *wiphy,
429 struct net_device *dev,
430 enum nl80211_iftype type, u32 *flags,
431 struct vif_params *params);
433 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
434 struct cfg80211_scan_request *request);
436 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
438 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
440 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
442 static struct cfg80211_ops rndis_config_ops = {
443 .change_virtual_intf = rndis_change_virtual_intf,
445 .set_wiphy_params = rndis_set_wiphy_params,
446 .set_tx_power = rndis_set_tx_power,
447 .get_tx_power = rndis_get_tx_power,
450 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
453 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
454 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
458 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
460 return (struct rndis_wlan_private *)dev->driver_priv;
464 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
466 switch (priv->param_power_output) {
469 return BCM4320_DEFAULT_TXPOWER_DBM_100;
471 return BCM4320_DEFAULT_TXPOWER_DBM_75;
473 return BCM4320_DEFAULT_TXPOWER_DBM_50;
475 return BCM4320_DEFAULT_TXPOWER_DBM_25;
481 static const char *oid_to_string(__le32 oid)
484 #define OID_STR(oid) case oid: return(#oid)
485 /* from rndis_host.h */
486 OID_STR(OID_802_3_PERMANENT_ADDRESS);
487 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
488 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
489 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
491 /* from rndis_wlan.c */
492 OID_STR(OID_GEN_LINK_SPEED);
493 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
495 OID_STR(OID_GEN_XMIT_OK);
496 OID_STR(OID_GEN_RCV_OK);
497 OID_STR(OID_GEN_XMIT_ERROR);
498 OID_STR(OID_GEN_RCV_ERROR);
499 OID_STR(OID_GEN_RCV_NO_BUFFER);
501 OID_STR(OID_802_3_CURRENT_ADDRESS);
502 OID_STR(OID_802_3_MULTICAST_LIST);
503 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
505 OID_STR(OID_802_11_BSSID);
506 OID_STR(OID_802_11_SSID);
507 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
508 OID_STR(OID_802_11_ADD_WEP);
509 OID_STR(OID_802_11_REMOVE_WEP);
510 OID_STR(OID_802_11_DISASSOCIATE);
511 OID_STR(OID_802_11_AUTHENTICATION_MODE);
512 OID_STR(OID_802_11_PRIVACY_FILTER);
513 OID_STR(OID_802_11_BSSID_LIST_SCAN);
514 OID_STR(OID_802_11_ENCRYPTION_STATUS);
515 OID_STR(OID_802_11_ADD_KEY);
516 OID_STR(OID_802_11_REMOVE_KEY);
517 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
518 OID_STR(OID_802_11_PMKID);
519 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
520 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
521 OID_STR(OID_802_11_TX_POWER_LEVEL);
522 OID_STR(OID_802_11_RSSI);
523 OID_STR(OID_802_11_RSSI_TRIGGER);
524 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
525 OID_STR(OID_802_11_RTS_THRESHOLD);
526 OID_STR(OID_802_11_SUPPORTED_RATES);
527 OID_STR(OID_802_11_CONFIGURATION);
528 OID_STR(OID_802_11_BSSID_LIST);
535 static const char *oid_to_string(__le32 oid)
542 /* translate error code */
543 static int rndis_error_status(__le32 rndis_status)
546 switch (rndis_status) {
547 case RNDIS_STATUS_SUCCESS:
550 case RNDIS_STATUS_FAILURE:
551 case RNDIS_STATUS_INVALID_DATA:
554 case RNDIS_STATUS_NOT_SUPPORTED:
557 case RNDIS_STATUS_ADAPTER_NOT_READY:
558 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
566 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
568 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
571 struct rndis_msg_hdr *header;
572 struct rndis_query *get;
573 struct rndis_query_c *get_c;
577 buflen = *len + sizeof(*u.get);
578 if (buflen < CONTROL_BUFFER_SIZE)
579 buflen = CONTROL_BUFFER_SIZE;
581 if (buflen > COMMAND_BUFFER_SIZE) {
582 u.buf = kmalloc(buflen, GFP_KERNEL);
586 u.buf = priv->command_buffer;
589 mutex_lock(&priv->command_lock);
591 memset(u.get, 0, sizeof *u.get);
592 u.get->msg_type = RNDIS_MSG_QUERY;
593 u.get->msg_len = cpu_to_le32(sizeof *u.get);
596 ret = rndis_command(dev, u.header, buflen);
598 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
599 "(%08x)", oid_to_string(oid), ret,
600 le32_to_cpu(u.get_c->status));
603 ret = le32_to_cpu(u.get_c->len);
604 *len = (*len > ret) ? ret : *len;
605 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
606 ret = rndis_error_status(u.get_c->status);
609 devdbg(dev, "rndis_query_oid(%s): device returned "
610 "error, 0x%08x (%d)", oid_to_string(oid),
611 le32_to_cpu(u.get_c->status), ret);
614 mutex_unlock(&priv->command_lock);
616 if (u.buf != priv->command_buffer)
622 static int rndis_set_oid(struct usbnet *dev, __le32 oid, void *data, int len)
624 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
627 struct rndis_msg_hdr *header;
628 struct rndis_set *set;
629 struct rndis_set_c *set_c;
633 buflen = len + sizeof(*u.set);
634 if (buflen < CONTROL_BUFFER_SIZE)
635 buflen = CONTROL_BUFFER_SIZE;
637 if (buflen > COMMAND_BUFFER_SIZE) {
638 u.buf = kmalloc(buflen, GFP_KERNEL);
642 u.buf = priv->command_buffer;
645 mutex_lock(&priv->command_lock);
647 memset(u.set, 0, sizeof *u.set);
648 u.set->msg_type = RNDIS_MSG_SET;
649 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
651 u.set->len = cpu_to_le32(len);
652 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
653 u.set->handle = cpu_to_le32(0);
654 memcpy(u.buf + sizeof(*u.set), data, len);
656 ret = rndis_command(dev, u.header, buflen);
658 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
659 "(%08x)", oid_to_string(oid), ret,
660 le32_to_cpu(u.set_c->status));
663 ret = rndis_error_status(u.set_c->status);
666 devdbg(dev, "rndis_set_oid(%s): device returned error, "
667 "0x%08x (%d)", oid_to_string(oid),
668 le32_to_cpu(u.set_c->status), ret);
671 mutex_unlock(&priv->command_lock);
673 if (u.buf != priv->command_buffer)
679 static int rndis_reset(struct usbnet *usbdev)
681 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
682 struct rndis_reset *reset;
685 mutex_lock(&priv->command_lock);
687 reset = (void *)priv->command_buffer;
688 memset(reset, 0, sizeof(*reset));
689 reset->msg_type = RNDIS_MSG_RESET;
690 reset->msg_len = cpu_to_le32(sizeof(*reset));
691 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
693 mutex_unlock(&priv->command_lock);
702 * Specs say that we can only set config parameters only soon after device
704 * value_type: 0 = u32, 2 = unicode string
706 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
707 int value_type, void *value)
709 struct ndis_config_param *infobuf;
710 int value_len, info_len, param_len, ret, i;
715 value_len = sizeof(__le32);
716 else if (value_type == 2)
717 value_len = strlen(value) * sizeof(__le16);
721 param_len = strlen(param) * sizeof(__le16);
722 info_len = sizeof(*infobuf) + param_len + value_len;
727 infobuf = kmalloc(info_len, GFP_KERNEL);
733 /* extra 12 bytes are for padding (debug output) */
734 memset(infobuf, 0xCC, info_len + 12);
738 devdbg(dev, "setting config parameter: %s, value: %s",
741 devdbg(dev, "setting config parameter: %s, value: %d",
742 param, *(u32 *)value);
744 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
745 infobuf->name_length = cpu_to_le32(param_len);
746 infobuf->type = cpu_to_le32(value_type);
747 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
748 infobuf->value_length = cpu_to_le32(value_len);
750 /* simple string to unicode string conversion */
751 unibuf = (void *)infobuf + sizeof(*infobuf);
752 for (i = 0; i < param_len / sizeof(__le16); i++)
753 unibuf[i] = cpu_to_le16(param[i]);
755 if (value_type == 2) {
756 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
757 for (i = 0; i < value_len / sizeof(__le16); i++)
758 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
760 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
761 *dst_value = cpu_to_le32(*(u32 *)value);
765 devdbg(dev, "info buffer (len: %d):", info_len);
766 for (i = 0; i < info_len; i += 12) {
767 u32 *tmp = (u32 *)((u8 *)infobuf + i);
768 devdbg(dev, "%08X:%08X:%08X",
771 cpu_to_be32(tmp[2]));
775 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
778 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
784 static int rndis_set_config_parameter_str(struct usbnet *dev,
785 char *param, char *value)
787 return(rndis_set_config_parameter(dev, param, 2, value));
790 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
791 char *param, u32 value)
793 return(rndis_set_config_parameter(dev, param, 0, &value));
798 * data conversion functions
800 static int level_to_qual(int level)
802 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
803 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
807 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
813 /* see comment in wireless.h above the "struct iw_freq"
814 * definition for an explanation of this if
815 * NOTE: 1000000 is due to the kHz
817 if (dsconfig > 1000000) {
818 freq->m = dsconfig / 10;
823 /* convert from kHz to Hz */
828 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
830 if (freq->m < 1000 && freq->e == 0) {
831 if (freq->m >= 1 && freq->m <= 14)
832 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
838 for (i = freq->e; i > 0; i--)
851 add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index);
853 static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
858 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
865 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
867 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
868 tmp[le32_to_cpu(ssid->length)] = 0;
869 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
876 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
878 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
881 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
883 memcpy(&priv->essid, ssid, sizeof(priv->essid));
885 devdbg(usbdev, "set_essid: radio_on = 1");
892 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
897 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
900 memset(bssid, 0, ETH_ALEN);
905 static int get_association_info(struct usbnet *usbdev,
906 struct ndis_80211_assoc_info *info, int len)
908 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
912 static int is_associated(struct usbnet *usbdev)
917 ret = get_bssid(usbdev, bssid);
919 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
923 static int disassociate(struct usbnet *usbdev, int reset_ssid)
925 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
926 struct ndis_80211_ssid ssid;
929 if (priv->radio_on) {
930 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
933 devdbg(usbdev, "disassociate: radio_on = 0");
940 /* disassociate causes radio to be turned off; if reset_ssid
941 * is given, set random ssid to enable radio */
943 ssid.length = cpu_to_le32(sizeof(ssid.essid));
944 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
946 ssid.essid[1] = 0xff;
947 for (i = 2; i < sizeof(ssid.essid); i++)
948 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
949 ret = set_essid(usbdev, &ssid);
955 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
957 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
961 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
962 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
964 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
965 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
966 auth_mode = NDIS_80211_AUTH_WPA2;
968 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
969 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
970 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
971 auth_mode = NDIS_80211_AUTH_WPA;
972 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
973 auth_mode = NDIS_80211_AUTH_WPA_PSK;
975 auth_mode = NDIS_80211_AUTH_WPA_NONE;
976 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
977 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
978 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
980 auth_mode = NDIS_80211_AUTH_SHARED;
982 auth_mode = NDIS_80211_AUTH_OPEN;
984 tmp = cpu_to_le32(auth_mode);
985 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
988 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
992 priv->wpa_version = wpa_version;
993 priv->wpa_authalg = authalg;
998 static int set_priv_filter(struct usbnet *usbdev)
1000 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1003 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1005 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1006 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1007 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1009 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1011 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1016 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1018 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1022 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1026 if (pairwise & IW_AUTH_CIPHER_CCMP)
1027 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1028 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1029 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1031 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1032 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1033 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1034 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1035 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1036 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1038 encr_mode = NDIS_80211_ENCR_DISABLED;
1040 tmp = cpu_to_le32(encr_mode);
1041 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1044 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1048 priv->wpa_cipher_pair = pairwise;
1049 priv->wpa_cipher_group = groupwise;
1054 static int set_assoc_params(struct usbnet *usbdev)
1056 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1058 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1059 set_priv_filter(usbdev);
1060 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1066 static int set_infra_mode(struct usbnet *usbdev, int mode)
1068 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1072 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1074 tmp = cpu_to_le32(mode);
1075 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1078 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1082 /* NDIS drivers clear keys when infrastructure mode is
1083 * changed. But Linux tools assume otherwise. So set the
1085 if (priv->wpa_keymgmt == 0 ||
1086 priv->wpa_keymgmt == IW_AUTH_KEY_MGMT_802_1X) {
1087 for (i = 0; i < 4; i++) {
1088 if (priv->encr_key_len[i] > 0 && !priv->encr_key_wpa[i])
1089 add_wep_key(usbdev, priv->encr_keys[i],
1090 priv->encr_key_len[i], i);
1094 priv->infra_mode = mode;
1099 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1103 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1105 if (rts_threshold < 0 || rts_threshold > 2347)
1106 rts_threshold = 2347;
1108 tmp = cpu_to_le32(rts_threshold);
1109 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1114 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1118 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1120 if (frag_threshold < 256 || frag_threshold > 2346)
1121 frag_threshold = 2346;
1123 tmp = cpu_to_le32(frag_threshold);
1124 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1129 static void set_default_iw_params(struct usbnet *usbdev)
1131 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1133 priv->wpa_keymgmt = 0;
1134 priv->wpa_version = 0;
1136 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1137 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1138 IW_AUTH_ALG_OPEN_SYSTEM);
1139 set_priv_filter(usbdev);
1140 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1144 static int deauthenticate(struct usbnet *usbdev)
1148 ret = disassociate(usbdev, 1);
1149 set_default_iw_params(usbdev);
1154 /* index must be 0 - N, as per NDIS */
1155 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1157 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1158 struct ndis_80211_wep_key ndis_key;
1161 if (key_len <= 0 || key_len > 32 || index < 0 || index >= 4)
1164 memset(&ndis_key, 0, sizeof(ndis_key));
1166 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1167 ndis_key.length = cpu_to_le32(key_len);
1168 ndis_key.index = cpu_to_le32(index);
1169 memcpy(&ndis_key.material, key, key_len);
1171 if (index == priv->encr_tx_key_index) {
1172 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1173 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1174 IW_AUTH_CIPHER_NONE);
1176 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1180 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1183 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1188 priv->encr_key_len[index] = key_len;
1189 priv->encr_key_wpa[index] = 0;
1190 memcpy(&priv->encr_keys[index], key, key_len);
1196 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1197 int index, const struct sockaddr *addr,
1198 const u8 *rx_seq, int alg, int flags)
1200 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1201 struct ndis_80211_key ndis_key;
1204 if (index < 0 || index >= 4)
1206 if (key_len > sizeof(ndis_key.material) || key_len < 0)
1208 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq)
1210 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !addr)
1213 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1214 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1215 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1216 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1218 memset(&ndis_key, 0, sizeof(ndis_key));
1220 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1221 sizeof(ndis_key.material) + key_len);
1222 ndis_key.length = cpu_to_le32(key_len);
1223 ndis_key.index = cpu_to_le32(index) | flags;
1225 if (alg == IW_ENCODE_ALG_TKIP && key_len == 32) {
1226 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1227 * different order than NDIS spec, so swap the order here. */
1228 memcpy(ndis_key.material, key, 16);
1229 memcpy(ndis_key.material + 16, key + 24, 8);
1230 memcpy(ndis_key.material + 24, key + 16, 8);
1232 memcpy(ndis_key.material, key, key_len);
1234 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1235 memcpy(ndis_key.rsc, rx_seq, 6);
1237 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1239 memcpy(ndis_key.bssid, addr->sa_data, ETH_ALEN);
1242 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1243 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1245 get_bssid(usbdev, ndis_key.bssid);
1248 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1249 le32_to_cpu(ndis_key.size));
1250 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1254 priv->encr_key_len[index] = key_len;
1255 priv->encr_key_wpa[index] = 1;
1257 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1258 priv->encr_tx_key_index = index;
1264 /* remove_key is for both wep and wpa */
1265 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1267 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1268 struct ndis_80211_remove_key remove_key;
1272 if (priv->encr_key_len[index] == 0)
1275 priv->encr_key_len[index] = 0;
1276 priv->encr_key_wpa[index] = 0;
1277 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1279 if (priv->wpa_cipher_pair == IW_AUTH_CIPHER_TKIP ||
1280 priv->wpa_cipher_pair == IW_AUTH_CIPHER_CCMP ||
1281 priv->wpa_cipher_group == IW_AUTH_CIPHER_TKIP ||
1282 priv->wpa_cipher_group == IW_AUTH_CIPHER_CCMP) {
1283 remove_key.size = cpu_to_le32(sizeof(remove_key));
1284 remove_key.index = cpu_to_le32(index);
1287 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
1289 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1290 memcpy(remove_key.bssid, bssid,
1291 sizeof(remove_key.bssid));
1293 memset(remove_key.bssid, 0xff,
1294 sizeof(remove_key.bssid));
1296 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1297 sizeof(remove_key));
1301 keyindex = cpu_to_le32(index);
1302 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1306 "removing encryption key %d failed (%08X)",
1312 /* if it is transmit key, disable encryption */
1313 if (index == priv->encr_tx_key_index)
1314 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1320 static void set_multicast_list(struct usbnet *usbdev)
1322 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1323 struct dev_mc_list *mclist;
1328 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1330 if (usbdev->net->flags & IFF_PROMISC) {
1331 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1332 RNDIS_PACKET_TYPE_ALL_LOCAL;
1333 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1334 usbdev->net->mc_count > priv->multicast_size) {
1335 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1336 } else if (usbdev->net->mc_count > 0) {
1337 size = min(priv->multicast_size, usbdev->net->mc_count);
1338 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1341 "couldn't alloc %d bytes of memory",
1346 mclist = usbdev->net->mc_list;
1347 for (i = 0; i < size && mclist; mclist = mclist->next) {
1348 if (mclist->dmi_addrlen != ETH_ALEN)
1351 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1355 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1357 if (ret == 0 && i > 0)
1358 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1360 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1362 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1363 i, priv->multicast_size, ret);
1368 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1371 devwarn(usbdev, "couldn't set packet filter: %08x",
1372 le32_to_cpu(filter));
1375 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1376 le32_to_cpu(filter), ret);
1383 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1384 struct net_device *dev,
1385 enum nl80211_iftype type, u32 *flags,
1386 struct vif_params *params)
1388 struct usbnet *usbdev = netdev_priv(dev);
1392 case NL80211_IFTYPE_ADHOC:
1393 mode = NDIS_80211_INFRA_ADHOC;
1395 case NL80211_IFTYPE_STATION:
1396 mode = NDIS_80211_INFRA_INFRA;
1402 return set_infra_mode(usbdev, mode);
1406 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1408 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1409 struct usbnet *usbdev = priv->usbdev;
1412 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1413 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1418 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1419 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1428 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1431 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1432 struct usbnet *usbdev = priv->usbdev;
1434 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1436 /* Device doesn't support changing txpower after initialization, only
1437 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1440 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1441 if (!priv->radio_on)
1442 disassociate(usbdev, 1); /* turn on radio */
1451 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1453 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1454 struct usbnet *usbdev = priv->usbdev;
1456 *dbm = get_bcm4320_power_dbm(priv);
1458 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1464 #define SCAN_DELAY_JIFFIES (HZ)
1465 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1466 struct cfg80211_scan_request *request)
1468 struct usbnet *usbdev = netdev_priv(dev);
1469 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1473 devdbg(usbdev, "cfg80211.scan");
1478 if (priv->scan_request && priv->scan_request != request)
1481 priv->scan_request = request;
1483 tmp = cpu_to_le32(1);
1484 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1487 /* Wait before retrieving scan results from device */
1488 queue_delayed_work(priv->workqueue, &priv->scan_work,
1489 SCAN_DELAY_JIFFIES);
1496 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1497 struct ndis_80211_bssid_ex *bssid)
1499 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1500 struct ieee80211_channel *channel;
1504 u16 beacon_interval;
1505 struct ndis_80211_fixed_ies *fixed;
1506 int ie_len, bssid_len;
1509 /* parse bssid structure */
1510 bssid_len = le32_to_cpu(bssid->length);
1512 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1513 sizeof(struct ndis_80211_fixed_ies))
1516 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1518 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1519 ie_len = min(bssid_len - (int)sizeof(*bssid),
1520 (int)le32_to_cpu(bssid->ie_length));
1521 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1525 /* extract data for cfg80211_inform_bss */
1526 channel = ieee80211_get_channel(priv->wdev.wiphy,
1527 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1531 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1532 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1533 capability = le16_to_cpu(fixed->capabilities);
1534 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1536 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1537 timestamp, capability, beacon_interval, ie, ie_len, signal,
1542 static int rndis_check_bssid_list(struct usbnet *usbdev)
1545 struct ndis_80211_bssid_list_ex *bssid_list;
1546 struct ndis_80211_bssid_ex *bssid;
1547 int ret = -EINVAL, len, count, bssid_len;
1549 devdbg(usbdev, "check_bssid_list");
1551 len = CONTROL_BUFFER_SIZE;
1552 buf = kmalloc(len, GFP_KERNEL);
1558 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1563 bssid = bssid_list->bssid;
1564 bssid_len = le32_to_cpu(bssid->length);
1565 count = le32_to_cpu(bssid_list->num_items);
1566 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1568 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1569 rndis_bss_info_update(usbdev, bssid);
1571 bssid = (void *)bssid + bssid_len;
1572 bssid_len = le32_to_cpu(bssid->length);
1582 static void rndis_get_scan_results(struct work_struct *work)
1584 struct rndis_wlan_private *priv =
1585 container_of(work, struct rndis_wlan_private, scan_work.work);
1586 struct usbnet *usbdev = priv->usbdev;
1589 devdbg(usbdev, "get_scan_results");
1591 if (!priv->scan_request)
1594 ret = rndis_check_bssid_list(usbdev);
1596 cfg80211_scan_done(priv->scan_request, ret < 0);
1598 priv->scan_request = NULL;
1603 * wireless extension handlers
1606 static int rndis_iw_commit(struct net_device *dev,
1607 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1614 static int rndis_iw_set_essid(struct net_device *dev,
1615 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1617 struct ndis_80211_ssid ssid;
1618 int length = wrqu->essid.length;
1619 struct usbnet *usbdev = netdev_priv(dev);
1621 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1622 wrqu->essid.flags, wrqu->essid.length, essid);
1624 if (length > NDIS_802_11_LENGTH_SSID)
1625 length = NDIS_802_11_LENGTH_SSID;
1627 ssid.length = cpu_to_le32(length);
1629 memcpy(ssid.essid, essid, length);
1631 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
1633 set_assoc_params(usbdev);
1635 if (!wrqu->essid.flags || length == 0)
1636 return disassociate(usbdev, 1);
1638 return set_essid(usbdev, &ssid);
1642 static int rndis_iw_get_essid(struct net_device *dev,
1643 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1645 struct ndis_80211_ssid ssid;
1646 struct usbnet *usbdev = netdev_priv(dev);
1649 ret = get_essid(usbdev, &ssid);
1651 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
1652 wrqu->essid.flags = 1;
1653 wrqu->essid.length = le32_to_cpu(ssid.length);
1654 memcpy(essid, ssid.essid, wrqu->essid.length);
1655 essid[wrqu->essid.length] = 0;
1657 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1658 wrqu->essid.flags = 0;
1659 wrqu->essid.length = 0;
1661 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1666 static int rndis_iw_get_bssid(struct net_device *dev,
1667 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1669 struct usbnet *usbdev = netdev_priv(dev);
1670 unsigned char bssid[ETH_ALEN];
1673 ret = get_bssid(usbdev, bssid);
1676 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
1678 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1680 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1681 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1687 static int rndis_iw_set_bssid(struct net_device *dev,
1688 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1690 struct usbnet *usbdev = netdev_priv(dev);
1691 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1694 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
1696 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1698 /* user apps may set ap's mac address, which is not required;
1699 * they may fail to work if this function fails, so return
1702 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1708 static int rndis_iw_set_auth(struct net_device *dev,
1709 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1711 struct iw_param *p = &wrqu->param;
1712 struct usbnet *usbdev = netdev_priv(dev);
1713 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1714 int ret = -ENOTSUPP;
1716 switch (p->flags & IW_AUTH_INDEX) {
1717 case IW_AUTH_WPA_VERSION:
1718 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1719 priv->wpa_version = p->value;
1723 case IW_AUTH_CIPHER_PAIRWISE:
1724 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1725 priv->wpa_cipher_pair = p->value;
1729 case IW_AUTH_CIPHER_GROUP:
1730 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1731 priv->wpa_cipher_group = p->value;
1735 case IW_AUTH_KEY_MGMT:
1736 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1737 priv->wpa_keymgmt = p->value;
1741 case IW_AUTH_TKIP_COUNTERMEASURES:
1742 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1747 case IW_AUTH_DROP_UNENCRYPTED:
1748 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1752 case IW_AUTH_80211_AUTH_ALG:
1753 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1754 priv->wpa_authalg = p->value;
1758 case IW_AUTH_WPA_ENABLED:
1759 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1760 if (wrqu->param.value)
1761 deauthenticate(usbdev);
1765 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1766 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1771 case IW_AUTH_ROAMING_CONTROL:
1772 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1776 case IW_AUTH_PRIVACY_INVOKED:
1777 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1778 wrqu->param.flags & IW_AUTH_INDEX);
1782 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1783 p->flags & IW_AUTH_INDEX, p->value);
1789 static int rndis_iw_get_auth(struct net_device *dev,
1790 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1792 struct iw_param *p = &wrqu->param;
1793 struct usbnet *usbdev = netdev_priv(dev);
1794 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1796 switch (p->flags & IW_AUTH_INDEX) {
1797 case IW_AUTH_WPA_VERSION:
1798 p->value = priv->wpa_version;
1800 case IW_AUTH_CIPHER_PAIRWISE:
1801 p->value = priv->wpa_cipher_pair;
1803 case IW_AUTH_CIPHER_GROUP:
1804 p->value = priv->wpa_cipher_group;
1806 case IW_AUTH_KEY_MGMT:
1807 p->value = priv->wpa_keymgmt;
1809 case IW_AUTH_80211_AUTH_ALG:
1810 p->value = priv->wpa_authalg;
1813 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1814 wrqu->param.flags & IW_AUTH_INDEX);
1821 static int rndis_iw_set_encode(struct net_device *dev,
1822 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1824 struct usbnet *usbdev = netdev_priv(dev);
1825 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1826 int ret, index, key_len;
1829 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1831 /* iwconfig gives index as 1 - N */
1835 index = priv->encr_tx_key_index;
1837 if (index < 0 || index >= 4) {
1838 devwarn(usbdev, "encryption index out of range (%u)", index);
1842 /* remove key if disabled */
1843 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
1844 if (remove_key(usbdev, index, NULL))
1850 /* global encryption state (for all keys) */
1851 if (wrqu->data.flags & IW_ENCODE_OPEN)
1852 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1853 IW_AUTH_ALG_OPEN_SYSTEM);
1854 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
1855 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1856 IW_AUTH_ALG_SHARED_KEY);
1860 if (wrqu->data.length > 0) {
1861 key_len = wrqu->data.length;
1864 /* must be set as tx key */
1865 if (priv->encr_key_len[index] == 0)
1867 key_len = priv->encr_key_len[index];
1868 key = priv->encr_keys[index];
1869 priv->encr_tx_key_index = index;
1872 if (add_wep_key(usbdev, key, key_len, index) != 0)
1875 if (index == priv->encr_tx_key_index)
1876 /* ndis drivers want essid to be set after setting encr */
1877 set_essid(usbdev, &priv->essid);
1883 static int rndis_iw_set_encode_ext(struct net_device *dev,
1884 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1886 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1887 struct usbnet *usbdev = netdev_priv(dev);
1888 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1891 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
1893 /* iwconfig gives index as 1 - N */
1897 keyidx = priv->encr_tx_key_index;
1899 if (keyidx < 0 || keyidx >= 4)
1902 if (ext->alg == WPA_ALG_WEP) {
1903 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1904 priv->encr_tx_key_index = keyidx;
1905 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
1908 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
1909 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
1910 return remove_key(usbdev, keyidx, NULL);
1913 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
1914 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
1915 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
1916 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1917 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
1918 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
1920 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx, &ext->addr,
1921 ext->rx_seq, ext->alg, flags);
1925 static int rndis_iw_set_genie(struct net_device *dev,
1926 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1928 struct usbnet *usbdev = netdev_priv(dev);
1929 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1935 for (j = 0; j < wrqu->data.length; j += 8)
1937 "SIOCSIWGENIE %04x - "
1938 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
1939 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
1940 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
1942 /* clear existing IEs */
1943 if (priv->wpa_ie_len) {
1944 kfree(priv->wpa_ie);
1945 priv->wpa_ie_len = 0;
1949 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
1951 priv->wpa_ie_len = wrqu->data.length;
1952 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
1959 static int rndis_iw_get_genie(struct net_device *dev,
1960 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1962 struct usbnet *usbdev = netdev_priv(dev);
1963 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1965 devdbg(usbdev, "SIOCGIWGENIE");
1967 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
1968 wrqu->data.length = 0;
1972 if (wrqu->data.length < priv->wpa_ie_len)
1975 wrqu->data.length = priv->wpa_ie_len;
1976 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
1982 static int rndis_iw_set_freq(struct net_device *dev,
1983 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1985 struct usbnet *usbdev = netdev_priv(dev);
1986 struct ndis_80211_conf config;
1987 unsigned int dsconfig;
1990 /* this OID is valid only when not associated */
1991 if (is_associated(usbdev))
1995 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
1998 len = sizeof(config);
1999 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2001 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2005 config.ds_config = cpu_to_le32(dsconfig);
2007 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2008 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2013 static int rndis_iw_get_freq(struct net_device *dev,
2014 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2016 struct usbnet *usbdev = netdev_priv(dev);
2017 struct ndis_80211_conf config;
2020 len = sizeof(config);
2021 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2023 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
2025 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2030 static int rndis_iw_get_rate(struct net_device *dev,
2031 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2033 struct usbnet *usbdev = netdev_priv(dev);
2038 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2040 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2041 wrqu->bitrate.disabled = 0;
2042 wrqu->bitrate.flags = 1;
2048 static int rndis_iw_set_mlme(struct net_device *dev,
2049 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2051 struct usbnet *usbdev = netdev_priv(dev);
2052 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2053 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2054 unsigned char bssid[ETH_ALEN];
2056 get_bssid(usbdev, bssid);
2058 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2061 switch (mlme->cmd) {
2062 case IW_MLME_DEAUTH:
2063 return deauthenticate(usbdev);
2064 case IW_MLME_DISASSOC:
2065 return disassociate(usbdev, priv->radio_on);
2074 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2076 struct usbnet *usbdev = netdev_priv(dev);
2077 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2078 unsigned long flags;
2080 spin_lock_irqsave(&priv->stats_lock, flags);
2081 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2082 spin_unlock_irqrestore(&priv->stats_lock, flags);
2084 return &priv->iwstats;
2088 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2089 static const iw_handler rndis_iw_handler[] =
2091 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2092 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2093 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2094 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2095 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2096 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2097 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2098 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2099 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2100 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2101 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
2102 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2103 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2104 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2105 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2106 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2107 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2108 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
2109 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2110 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
2111 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2112 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2113 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2114 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2115 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2116 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2117 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2120 static const iw_handler rndis_wlan_private_handler[] = {
2123 static const struct iw_priv_args rndis_wlan_private_args[] = {
2127 static const struct iw_handler_def rndis_iw_handlers = {
2128 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2129 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2130 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2131 .standard = (iw_handler *)rndis_iw_handler,
2132 .private = (iw_handler *)rndis_wlan_private_handler,
2133 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2134 .get_wireless_stats = rndis_get_wireless_stats,
2138 static void rndis_wlan_worker(struct work_struct *work)
2140 struct rndis_wlan_private *priv =
2141 container_of(work, struct rndis_wlan_private, work);
2142 struct usbnet *usbdev = priv->usbdev;
2143 union iwreq_data evt;
2144 unsigned char bssid[ETH_ALEN];
2145 struct ndis_80211_assoc_info *info;
2146 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2149 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
2150 netif_carrier_on(usbdev->net);
2152 info = kzalloc(assoc_size, GFP_KERNEL);
2156 /* Get association info IEs from device and send them back to
2158 ret = get_association_info(usbdev, info, assoc_size);
2160 evt.data.length = le32_to_cpu(info->req_ie_length);
2161 if (evt.data.length > 0) {
2162 offset = le32_to_cpu(info->offset_req_ies);
2163 wireless_send_event(usbdev->net,
2164 IWEVASSOCREQIE, &evt,
2165 (char *)info + offset);
2168 evt.data.length = le32_to_cpu(info->resp_ie_length);
2169 if (evt.data.length > 0) {
2170 offset = le32_to_cpu(info->offset_resp_ies);
2171 wireless_send_event(usbdev->net,
2172 IWEVASSOCRESPIE, &evt,
2173 (char *)info + offset);
2180 ret = get_bssid(usbdev, bssid);
2183 evt.data.length = 0;
2184 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2185 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2189 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
2190 netif_carrier_off(usbdev->net);
2193 evt.data.length = 0;
2194 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2195 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2198 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2199 set_multicast_list(usbdev);
2202 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2204 struct usbnet *usbdev = netdev_priv(dev);
2205 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2207 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2210 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2211 queue_work(priv->workqueue, &priv->work);
2214 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2216 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2217 struct rndis_indicate *msg = ind;
2219 /* queue work to avoid recursive calls into rndis_command */
2220 switch (msg->status) {
2221 case RNDIS_STATUS_MEDIA_CONNECT:
2222 devinfo(usbdev, "media connect");
2224 set_bit(WORK_LINK_UP, &priv->work_pending);
2225 queue_work(priv->workqueue, &priv->work);
2228 case RNDIS_STATUS_MEDIA_DISCONNECT:
2229 devinfo(usbdev, "media disconnect");
2231 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2232 queue_work(priv->workqueue, &priv->work);
2236 devinfo(usbdev, "indication: 0x%08x",
2237 le32_to_cpu(msg->status));
2243 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2248 } networks_supported;
2249 int len, retval, i, n;
2250 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2252 /* determine supported modes */
2253 len = sizeof(networks_supported);
2254 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2255 &networks_supported, &len);
2257 n = le32_to_cpu(networks_supported.num_items);
2260 for (i = 0; i < n; i++) {
2261 switch (le32_to_cpu(networks_supported.items[i])) {
2262 case NDIS_80211_TYPE_FREQ_HOP:
2263 case NDIS_80211_TYPE_DIRECT_SEQ:
2264 priv->caps |= CAP_MODE_80211B;
2266 case NDIS_80211_TYPE_OFDM_A:
2267 priv->caps |= CAP_MODE_80211A;
2269 case NDIS_80211_TYPE_OFDM_G:
2270 priv->caps |= CAP_MODE_80211G;
2280 #define STATS_UPDATE_JIFFIES (HZ)
2281 static void rndis_update_wireless_stats(struct work_struct *work)
2283 struct rndis_wlan_private *priv =
2284 container_of(work, struct rndis_wlan_private, stats_work.work);
2285 struct usbnet *usbdev = priv->usbdev;
2286 struct iw_statistics iwstats;
2289 unsigned long flags;
2290 int update_jiffies = STATS_UPDATE_JIFFIES;
2293 spin_lock_irqsave(&priv->stats_lock, flags);
2294 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2295 spin_unlock_irqrestore(&priv->stats_lock, flags);
2297 /* only update stats when connected */
2298 if (!is_associated(usbdev)) {
2299 iwstats.qual.qual = 0;
2300 iwstats.qual.level = 0;
2301 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2302 | IW_QUAL_LEVEL_UPDATED
2303 | IW_QUAL_NOISE_INVALID
2304 | IW_QUAL_QUAL_INVALID
2305 | IW_QUAL_LEVEL_INVALID;
2310 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2312 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2315 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2316 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2317 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2318 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2319 | IW_QUAL_LEVEL_UPDATED
2320 | IW_QUAL_NOISE_INVALID;
2323 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2326 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2328 iwstats.discard.misc += le32_to_cpu(tmp);
2331 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2333 iwstats.discard.misc += le32_to_cpu(tmp);
2336 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2338 iwstats.discard.misc += le32_to_cpu(tmp);
2340 /* Workaround transfer stalls on poor quality links.
2341 * TODO: find right way to fix these stalls (as stalls do not happen
2342 * with ndiswrapper/windows driver). */
2343 if (iwstats.qual.qual <= 25) {
2344 /* Decrease stats worker interval to catch stalls.
2345 * faster. Faster than 400-500ms causes packet loss,
2346 * Slower doesn't catch stalls fast enough.
2348 j = msecs_to_jiffies(priv->param_workaround_interval);
2349 if (j > STATS_UPDATE_JIFFIES)
2350 j = STATS_UPDATE_JIFFIES;
2355 /* Send scan OID. Use of both OIDs is required to get device
2358 tmp = cpu_to_le32(1);
2359 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2362 len = CONTROL_BUFFER_SIZE;
2363 buf = kmalloc(len, GFP_KERNEL);
2367 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2371 spin_lock_irqsave(&priv->stats_lock, flags);
2372 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2373 spin_unlock_irqrestore(&priv->stats_lock, flags);
2375 if (update_jiffies >= HZ)
2376 update_jiffies = round_jiffies_relative(update_jiffies);
2378 j = round_jiffies_relative(update_jiffies);
2379 if (abs(j - update_jiffies) <= 10)
2383 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2387 static int bcm4320a_early_init(struct usbnet *usbdev)
2389 /* bcm4320a doesn't handle configuration parameters well. Try
2390 * set any and you get partially zeroed mac and broken device.
2397 static int bcm4320b_early_init(struct usbnet *usbdev)
2399 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2402 /* Early initialization settings, setting these won't have effect
2403 * if called after generic_rndis_bind().
2406 priv->param_country[0] = modparam_country[0];
2407 priv->param_country[1] = modparam_country[1];
2408 priv->param_country[2] = 0;
2409 priv->param_frameburst = modparam_frameburst;
2410 priv->param_afterburner = modparam_afterburner;
2411 priv->param_power_save = modparam_power_save;
2412 priv->param_power_output = modparam_power_output;
2413 priv->param_roamtrigger = modparam_roamtrigger;
2414 priv->param_roamdelta = modparam_roamdelta;
2416 priv->param_country[0] = toupper(priv->param_country[0]);
2417 priv->param_country[1] = toupper(priv->param_country[1]);
2418 /* doesn't support EU as country code, use FI instead */
2419 if (!strcmp(priv->param_country, "EU"))
2420 strcpy(priv->param_country, "FI");
2422 if (priv->param_power_save < 0)
2423 priv->param_power_save = 0;
2424 else if (priv->param_power_save > 2)
2425 priv->param_power_save = 2;
2427 if (priv->param_power_output < 0)
2428 priv->param_power_output = 0;
2429 else if (priv->param_power_output > 3)
2430 priv->param_power_output = 3;
2432 if (priv->param_roamtrigger < -80)
2433 priv->param_roamtrigger = -80;
2434 else if (priv->param_roamtrigger > -60)
2435 priv->param_roamtrigger = -60;
2437 if (priv->param_roamdelta < 0)
2438 priv->param_roamdelta = 0;
2439 else if (priv->param_roamdelta > 2)
2440 priv->param_roamdelta = 2;
2442 if (modparam_workaround_interval < 0)
2443 priv->param_workaround_interval = 500;
2445 priv->param_workaround_interval = modparam_workaround_interval;
2447 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2448 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2449 priv->param_frameburst ? "1" : "0");
2450 rndis_set_config_parameter_str(usbdev, "Afterburner",
2451 priv->param_afterburner ? "1" : "0");
2452 sprintf(buf, "%d", priv->param_power_save);
2453 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2454 sprintf(buf, "%d", priv->param_power_output);
2455 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2456 sprintf(buf, "%d", priv->param_roamtrigger);
2457 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2458 sprintf(buf, "%d", priv->param_roamdelta);
2459 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2464 /* same as rndis_netdev_ops but with local multicast handler */
2465 static const struct net_device_ops rndis_wlan_netdev_ops = {
2466 .ndo_open = usbnet_open,
2467 .ndo_stop = usbnet_stop,
2468 .ndo_start_xmit = usbnet_start_xmit,
2469 .ndo_tx_timeout = usbnet_tx_timeout,
2470 .ndo_set_mac_address = eth_mac_addr,
2471 .ndo_validate_addr = eth_validate_addr,
2472 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2476 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2478 struct wiphy *wiphy;
2479 struct rndis_wlan_private *priv;
2483 /* allocate wiphy and rndis private data
2484 * NOTE: We only support a single virtual interface, so wiphy
2485 * and wireless_dev are somewhat synonymous for this device.
2487 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2491 priv = wiphy_priv(wiphy);
2492 usbdev->net->ieee80211_ptr = &priv->wdev;
2493 priv->wdev.wiphy = wiphy;
2494 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2496 /* These have to be initialized before calling generic_rndis_bind().
2497 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2499 usbdev->driver_priv = priv;
2500 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2501 priv->usbdev = usbdev;
2503 mutex_init(&priv->command_lock);
2504 spin_lock_init(&priv->stats_lock);
2506 /* because rndis_command() sleeps we need to use workqueue */
2507 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2508 INIT_WORK(&priv->work, rndis_wlan_worker);
2509 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2510 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2512 /* try bind rndis_host */
2513 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2517 /* generic_rndis_bind set packet filter to multicast_all+
2518 * promisc mode which doesn't work well for our devices (device
2519 * picks up rssi to closest station instead of to access point).
2521 * rndis_host wants to avoid all OID as much as possible
2522 * so do promisc/multicast handling in rndis_wlan.
2524 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2526 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2527 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2531 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2533 priv->multicast_size = le32_to_cpu(tmp);
2534 if (retval < 0 || priv->multicast_size < 0)
2535 priv->multicast_size = 0;
2536 if (priv->multicast_size > 0)
2537 usbdev->net->flags |= IFF_MULTICAST;
2539 usbdev->net->flags &= ~IFF_MULTICAST;
2541 priv->iwstats.qual.qual = 0;
2542 priv->iwstats.qual.level = 0;
2543 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2544 | IW_QUAL_LEVEL_UPDATED
2545 | IW_QUAL_NOISE_INVALID
2546 | IW_QUAL_QUAL_INVALID
2547 | IW_QUAL_LEVEL_INVALID;
2549 /* fill-out wiphy structure and register w/ cfg80211 */
2550 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2551 wiphy->privid = rndis_wiphy_privid;
2552 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2553 | BIT(NL80211_IFTYPE_ADHOC);
2554 wiphy->max_scan_ssids = 1;
2556 /* TODO: fill-out band information based on priv->caps */
2557 rndis_wlan_get_caps(usbdev);
2559 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2560 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2561 priv->band.channels = priv->channels;
2562 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2563 priv->band.bitrates = priv->rates;
2564 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2565 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2566 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2568 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2570 if (wiphy_register(wiphy)) {
2575 set_default_iw_params(usbdev);
2577 /* set default rts/frag */
2578 rndis_set_wiphy_params(wiphy,
2579 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2583 disassociate(usbdev, 1);
2584 netif_carrier_off(usbdev->net);
2589 cancel_delayed_work_sync(&priv->stats_work);
2590 cancel_delayed_work_sync(&priv->scan_work);
2591 cancel_work_sync(&priv->work);
2592 flush_workqueue(priv->workqueue);
2593 destroy_workqueue(priv->workqueue);
2600 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2602 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2604 /* turn radio off */
2605 disassociate(usbdev, 0);
2607 cancel_delayed_work_sync(&priv->stats_work);
2608 cancel_delayed_work_sync(&priv->scan_work);
2609 cancel_work_sync(&priv->work);
2610 flush_workqueue(priv->workqueue);
2611 destroy_workqueue(priv->workqueue);
2613 if (priv && priv->wpa_ie_len)
2614 kfree(priv->wpa_ie);
2616 rndis_unbind(usbdev, intf);
2618 wiphy_unregister(priv->wdev.wiphy);
2619 wiphy_free(priv->wdev.wiphy);
2623 static int rndis_wlan_reset(struct usbnet *usbdev)
2625 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2628 devdbg(usbdev, "rndis_wlan_reset");
2630 retval = rndis_reset(usbdev);
2632 devwarn(usbdev, "rndis_reset() failed: %d", retval);
2634 /* rndis_reset cleared multicast list, so restore here.
2635 (set_multicast_list() also turns on current packet filter) */
2636 set_multicast_list(usbdev);
2638 queue_delayed_work(priv->workqueue, &priv->stats_work,
2639 round_jiffies_relative(STATS_UPDATE_JIFFIES));
2641 return deauthenticate(usbdev);
2645 static int rndis_wlan_stop(struct usbnet *usbdev)
2647 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2651 devdbg(usbdev, "rndis_wlan_stop");
2653 retval = disassociate(usbdev, 0);
2655 priv->work_pending = 0;
2656 cancel_delayed_work_sync(&priv->stats_work);
2657 cancel_delayed_work_sync(&priv->scan_work);
2658 cancel_work_sync(&priv->work);
2659 flush_workqueue(priv->workqueue);
2661 if (priv->scan_request) {
2662 cfg80211_scan_done(priv->scan_request, true);
2663 priv->scan_request = NULL;
2666 /* Set current packet filter zero to block receiving data packets from
2669 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
2676 static const struct driver_info bcm4320b_info = {
2677 .description = "Wireless RNDIS device, BCM4320b based",
2678 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2679 FLAG_AVOID_UNLINK_URBS,
2680 .bind = rndis_wlan_bind,
2681 .unbind = rndis_wlan_unbind,
2682 .status = rndis_status,
2683 .rx_fixup = rndis_rx_fixup,
2684 .tx_fixup = rndis_tx_fixup,
2685 .reset = rndis_wlan_reset,
2686 .stop = rndis_wlan_stop,
2687 .early_init = bcm4320b_early_init,
2688 .indication = rndis_wlan_indication,
2691 static const struct driver_info bcm4320a_info = {
2692 .description = "Wireless RNDIS device, BCM4320a based",
2693 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2694 FLAG_AVOID_UNLINK_URBS,
2695 .bind = rndis_wlan_bind,
2696 .unbind = rndis_wlan_unbind,
2697 .status = rndis_status,
2698 .rx_fixup = rndis_rx_fixup,
2699 .tx_fixup = rndis_tx_fixup,
2700 .reset = rndis_wlan_reset,
2701 .stop = rndis_wlan_stop,
2702 .early_init = bcm4320a_early_init,
2703 .indication = rndis_wlan_indication,
2706 static const struct driver_info rndis_wlan_info = {
2707 .description = "Wireless RNDIS device",
2708 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
2709 FLAG_AVOID_UNLINK_URBS,
2710 .bind = rndis_wlan_bind,
2711 .unbind = rndis_wlan_unbind,
2712 .status = rndis_status,
2713 .rx_fixup = rndis_rx_fixup,
2714 .tx_fixup = rndis_tx_fixup,
2715 .reset = rndis_wlan_reset,
2716 .stop = rndis_wlan_stop,
2717 .early_init = bcm4320a_early_init,
2718 .indication = rndis_wlan_indication,
2721 /*-------------------------------------------------------------------------*/
2723 static const struct usb_device_id products [] = {
2724 #define RNDIS_MASTER_INTERFACE \
2725 .bInterfaceClass = USB_CLASS_COMM, \
2726 .bInterfaceSubClass = 2 /* ACM */, \
2727 .bInterfaceProtocol = 0x0ff
2729 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
2730 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
2733 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2734 | USB_DEVICE_ID_MATCH_DEVICE,
2736 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
2737 RNDIS_MASTER_INTERFACE,
2738 .driver_info = (unsigned long) &bcm4320b_info,
2740 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2741 | USB_DEVICE_ID_MATCH_DEVICE,
2743 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
2744 RNDIS_MASTER_INTERFACE,
2745 .driver_info = (unsigned long) &bcm4320b_info,
2747 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2748 | USB_DEVICE_ID_MATCH_DEVICE,
2750 .idProduct = 0x011b, /* Belkin F5D7051 */
2751 RNDIS_MASTER_INTERFACE,
2752 .driver_info = (unsigned long) &bcm4320b_info,
2754 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2755 | USB_DEVICE_ID_MATCH_DEVICE,
2756 .idVendor = 0x1799, /* Belkin has two vendor ids */
2757 .idProduct = 0x011b, /* Belkin F5D7051 */
2758 RNDIS_MASTER_INTERFACE,
2759 .driver_info = (unsigned long) &bcm4320b_info,
2761 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2762 | USB_DEVICE_ID_MATCH_DEVICE,
2764 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
2765 RNDIS_MASTER_INTERFACE,
2766 .driver_info = (unsigned long) &bcm4320b_info,
2768 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2769 | USB_DEVICE_ID_MATCH_DEVICE,
2771 .idProduct = 0x0026, /* Linksys WUSB54GSC */
2772 RNDIS_MASTER_INTERFACE,
2773 .driver_info = (unsigned long) &bcm4320b_info,
2775 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2776 | USB_DEVICE_ID_MATCH_DEVICE,
2778 .idProduct = 0x1717, /* Asus WL169gE */
2779 RNDIS_MASTER_INTERFACE,
2780 .driver_info = (unsigned long) &bcm4320b_info,
2782 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2783 | USB_DEVICE_ID_MATCH_DEVICE,
2785 .idProduct = 0xd11b, /* Eminent EM4045 */
2786 RNDIS_MASTER_INTERFACE,
2787 .driver_info = (unsigned long) &bcm4320b_info,
2789 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2790 | USB_DEVICE_ID_MATCH_DEVICE,
2792 .idProduct = 0x0715, /* BT Voyager 1055 */
2793 RNDIS_MASTER_INTERFACE,
2794 .driver_info = (unsigned long) &bcm4320b_info,
2796 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
2797 * parameters available, hardware probably contain older firmware version with
2798 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
2801 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2802 | USB_DEVICE_ID_MATCH_DEVICE,
2804 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
2805 RNDIS_MASTER_INTERFACE,
2806 .driver_info = (unsigned long) &bcm4320a_info,
2808 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2809 | USB_DEVICE_ID_MATCH_DEVICE,
2811 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
2812 RNDIS_MASTER_INTERFACE,
2813 .driver_info = (unsigned long) &bcm4320a_info,
2815 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
2816 | USB_DEVICE_ID_MATCH_DEVICE,
2818 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
2819 RNDIS_MASTER_INTERFACE,
2820 .driver_info = (unsigned long) &bcm4320a_info,
2822 /* Generic Wireless RNDIS devices that we don't have exact
2823 * idVendor/idProduct/chip yet.
2826 /* RNDIS is MSFT's un-official variant of CDC ACM */
2827 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
2828 .driver_info = (unsigned long) &rndis_wlan_info,
2830 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
2831 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
2832 .driver_info = (unsigned long) &rndis_wlan_info,
2836 MODULE_DEVICE_TABLE(usb, products);
2838 static struct usb_driver rndis_wlan_driver = {
2839 .name = "rndis_wlan",
2840 .id_table = products,
2841 .probe = usbnet_probe,
2842 .disconnect = usbnet_disconnect,
2843 .suspend = usbnet_suspend,
2844 .resume = usbnet_resume,
2847 static int __init rndis_wlan_init(void)
2849 return usb_register(&rndis_wlan_driver);
2851 module_init(rndis_wlan_init);
2853 static void __exit rndis_wlan_exit(void)
2855 usb_deregister(&rndis_wlan_driver);
2857 module_exit(rndis_wlan_exit);
2859 MODULE_AUTHOR("Bjorge Dijkstra");
2860 MODULE_AUTHOR("Jussi Kivilinna");
2861 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
2862 MODULE_LICENSE("GPL");