2 * Driver for RNDIS based wireless USB devices.
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/workqueue.h>
35 #include <linux/mutex.h>
36 #include <linux/mii.h>
37 #include <linux/usb.h>
38 #include <linux/usb/cdc.h>
39 #include <linux/wireless.h>
40 #include <linux/ieee80211.h>
41 #include <linux/if_arp.h>
42 #include <linux/ctype.h>
43 #include <linux/spinlock.h>
44 #include <net/iw_handler.h>
45 #include <net/cfg80211.h>
46 #include <linux/usb/usbnet.h>
47 #include <linux/usb/rndis_host.h>
50 /* NOTE: All these are settings for Broadcom chipset */
51 static char modparam_country[4] = "EU";
52 module_param_string(country, modparam_country, 4, 0444);
53 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
55 static int modparam_frameburst = 1;
56 module_param_named(frameburst, modparam_frameburst, int, 0444);
57 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
59 static int modparam_afterburner = 0;
60 module_param_named(afterburner, modparam_afterburner, int, 0444);
61 MODULE_PARM_DESC(afterburner,
62 "enable afterburner aka '125 High Speed Mode' (default: off)");
64 static int modparam_power_save = 0;
65 module_param_named(power_save, modparam_power_save, int, 0444);
66 MODULE_PARM_DESC(power_save,
67 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
69 static int modparam_power_output = 3;
70 module_param_named(power_output, modparam_power_output, int, 0444);
71 MODULE_PARM_DESC(power_output,
72 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
74 static int modparam_roamtrigger = -70;
75 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
76 MODULE_PARM_DESC(roamtrigger,
77 "set roaming dBm trigger: -80=optimize for distance, "
78 "-60=bandwidth (default: -70)");
80 static int modparam_roamdelta = 1;
81 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
82 MODULE_PARM_DESC(roamdelta,
83 "set roaming tendency: 0=aggressive, 1=moderate, "
84 "2=conservative (default: moderate)");
86 static int modparam_workaround_interval = 500;
87 module_param_named(workaround_interval, modparam_workaround_interval,
89 MODULE_PARM_DESC(workaround_interval,
90 "set stall workaround interval in msecs (default: 500)");
93 /* various RNDIS OID defs */
94 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
95 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
97 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
98 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
99 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
100 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
101 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
103 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
104 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
105 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
107 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
108 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
109 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
110 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
111 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
112 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
113 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
114 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
115 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
116 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
117 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
118 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
119 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
120 #define OID_802_11_PMKID cpu_to_le32(0x0d010123)
121 #define OID_802_11_NETWORK_TYPES_SUPPORTED cpu_to_le32(0x0d010203)
122 #define OID_802_11_NETWORK_TYPE_IN_USE cpu_to_le32(0x0d010204)
123 #define OID_802_11_TX_POWER_LEVEL cpu_to_le32(0x0d010205)
124 #define OID_802_11_RSSI cpu_to_le32(0x0d010206)
125 #define OID_802_11_RSSI_TRIGGER cpu_to_le32(0x0d010207)
126 #define OID_802_11_FRAGMENTATION_THRESHOLD cpu_to_le32(0x0d010209)
127 #define OID_802_11_RTS_THRESHOLD cpu_to_le32(0x0d01020a)
128 #define OID_802_11_SUPPORTED_RATES cpu_to_le32(0x0d01020e)
129 #define OID_802_11_CONFIGURATION cpu_to_le32(0x0d010211)
130 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
133 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
134 #define WL_NOISE -96 /* typical noise level in dBm */
135 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
138 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
139 * based on wireless rndis) has default txpower of 13dBm.
140 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
141 * 100% : 20 mW ~ 13dBm
142 * 75% : 15 mW ~ 12dBm
143 * 50% : 10 mW ~ 10dBm
146 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
147 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
148 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
149 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
152 /* codes for "status" field of completion messages */
153 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
154 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
157 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
158 * slightly modified for datatype endianess, etc
160 #define NDIS_802_11_LENGTH_SSID 32
161 #define NDIS_802_11_LENGTH_RATES 8
162 #define NDIS_802_11_LENGTH_RATES_EX 16
164 enum ndis_80211_net_type {
165 NDIS_80211_TYPE_FREQ_HOP,
166 NDIS_80211_TYPE_DIRECT_SEQ,
167 NDIS_80211_TYPE_OFDM_A,
168 NDIS_80211_TYPE_OFDM_G
171 enum ndis_80211_net_infra {
172 NDIS_80211_INFRA_ADHOC,
173 NDIS_80211_INFRA_INFRA,
174 NDIS_80211_INFRA_AUTO_UNKNOWN
177 enum ndis_80211_auth_mode {
178 NDIS_80211_AUTH_OPEN,
179 NDIS_80211_AUTH_SHARED,
180 NDIS_80211_AUTH_AUTO_SWITCH,
182 NDIS_80211_AUTH_WPA_PSK,
183 NDIS_80211_AUTH_WPA_NONE,
184 NDIS_80211_AUTH_WPA2,
185 NDIS_80211_AUTH_WPA2_PSK
188 enum ndis_80211_encr_status {
189 NDIS_80211_ENCR_WEP_ENABLED,
190 NDIS_80211_ENCR_DISABLED,
191 NDIS_80211_ENCR_WEP_KEY_ABSENT,
192 NDIS_80211_ENCR_NOT_SUPPORTED,
193 NDIS_80211_ENCR_TKIP_ENABLED,
194 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
195 NDIS_80211_ENCR_CCMP_ENABLED,
196 NDIS_80211_ENCR_CCMP_KEY_ABSENT
199 enum ndis_80211_priv_filter {
200 NDIS_80211_PRIV_ACCEPT_ALL,
201 NDIS_80211_PRIV_8021X_WEP
204 enum ndis_80211_status_type {
205 NDIS_80211_STATUSTYPE_AUTHENTICATION,
206 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
207 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
208 NDIS_80211_STATUSTYPE_RADIOSTATE,
211 enum ndis_80211_media_stream_mode {
212 NDIS_80211_MEDIA_STREAM_OFF,
213 NDIS_80211_MEDIA_STREAM_ON
216 enum ndis_80211_radio_status {
217 NDIS_80211_RADIO_STATUS_ON,
218 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
219 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
222 enum ndis_80211_addkey_bits {
223 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
224 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
225 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
226 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
229 enum ndis_80211_addwep_bits {
230 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
231 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
234 struct ndis_80211_auth_request {
239 } __attribute__((packed));
241 struct ndis_80211_pmkid_candidate {
245 } __attribute__((packed));
247 struct ndis_80211_pmkid_cand_list {
249 __le32 num_candidates;
250 struct ndis_80211_pmkid_candidate candidate_list[0];
251 } __attribute__((packed));
253 struct ndis_80211_status_indication {
256 enum ndis_80211_media_stream_mode media_stream_mode;
257 enum ndis_80211_radio_status radio_status;
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));
361 /* these have to match what is in wpa_supplicant */
362 enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP };
363 enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
365 enum wpa_key_mgmt { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
366 KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE };
371 #define NET_TYPE_11FB 0
373 #define CAP_MODE_80211A 1
374 #define CAP_MODE_80211B 2
375 #define CAP_MODE_80211G 4
376 #define CAP_MODE_MASK 7
378 #define WORK_LINK_UP (1<<0)
379 #define WORK_LINK_DOWN (1<<1)
380 #define WORK_SET_MULTICAST_LIST (1<<2)
382 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
384 static const struct ieee80211_channel rndis_channels[] = {
385 { .center_freq = 2412 },
386 { .center_freq = 2417 },
387 { .center_freq = 2422 },
388 { .center_freq = 2427 },
389 { .center_freq = 2432 },
390 { .center_freq = 2437 },
391 { .center_freq = 2442 },
392 { .center_freq = 2447 },
393 { .center_freq = 2452 },
394 { .center_freq = 2457 },
395 { .center_freq = 2462 },
396 { .center_freq = 2467 },
397 { .center_freq = 2472 },
398 { .center_freq = 2484 },
401 static const struct ieee80211_rate rndis_rates[] = {
403 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
404 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
405 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
416 static const u32 rndis_cipher_suites[] = {
417 WLAN_CIPHER_SUITE_WEP40,
418 WLAN_CIPHER_SUITE_WEP104,
419 WLAN_CIPHER_SUITE_TKIP,
420 WLAN_CIPHER_SUITE_CCMP,
423 struct rndis_wlan_encr_key {
432 /* RNDIS device private data */
433 struct rndis_wlan_private {
434 struct usbnet *usbdev;
436 struct wireless_dev wdev;
438 struct cfg80211_scan_request *scan_request;
440 struct workqueue_struct *workqueue;
441 struct delayed_work stats_work;
442 struct delayed_work scan_work;
443 struct work_struct work;
444 struct mutex command_lock;
445 spinlock_t stats_lock;
446 unsigned long work_pending;
448 struct ieee80211_supported_band band;
449 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
450 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
451 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
453 struct iw_statistics iwstats;
454 struct iw_statistics privstats;
459 /* module parameters */
460 char param_country[4];
461 int param_frameburst;
462 int param_afterburner;
463 int param_power_save;
464 int param_power_output;
465 int param_roamtrigger;
467 u32 param_workaround_interval;
472 struct ndis_80211_ssid essid;
473 __le32 current_command_oid;
475 /* encryption stuff */
476 int encr_tx_key_index;
477 struct rndis_wlan_encr_key encr_keys[4];
484 int wpa_cipher_group;
486 u8 command_buffer[COMMAND_BUFFER_SIZE];
492 static int rndis_change_virtual_intf(struct wiphy *wiphy,
493 struct net_device *dev,
494 enum nl80211_iftype type, u32 *flags,
495 struct vif_params *params);
497 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
498 struct cfg80211_scan_request *request);
500 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
502 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
504 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
506 static struct cfg80211_ops rndis_config_ops = {
507 .change_virtual_intf = rndis_change_virtual_intf,
509 .set_wiphy_params = rndis_set_wiphy_params,
510 .set_tx_power = rndis_set_tx_power,
511 .get_tx_power = rndis_get_tx_power,
514 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
517 static const unsigned char zero_bssid[ETH_ALEN] = {0,};
518 static const unsigned char ffff_bssid[ETH_ALEN] = { 0xff, 0xff, 0xff,
522 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
524 return (struct rndis_wlan_private *)dev->driver_priv;
528 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
530 switch (priv->param_power_output) {
533 return BCM4320_DEFAULT_TXPOWER_DBM_100;
535 return BCM4320_DEFAULT_TXPOWER_DBM_75;
537 return BCM4320_DEFAULT_TXPOWER_DBM_50;
539 return BCM4320_DEFAULT_TXPOWER_DBM_25;
544 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
546 int cipher = priv->encr_keys[idx].cipher;
548 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
549 cipher == WLAN_CIPHER_SUITE_TKIP);
554 static const char *oid_to_string(__le32 oid)
557 #define OID_STR(oid) case oid: return(#oid)
558 /* from rndis_host.h */
559 OID_STR(OID_802_3_PERMANENT_ADDRESS);
560 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
561 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
562 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
564 /* from rndis_wlan.c */
565 OID_STR(OID_GEN_LINK_SPEED);
566 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
568 OID_STR(OID_GEN_XMIT_OK);
569 OID_STR(OID_GEN_RCV_OK);
570 OID_STR(OID_GEN_XMIT_ERROR);
571 OID_STR(OID_GEN_RCV_ERROR);
572 OID_STR(OID_GEN_RCV_NO_BUFFER);
574 OID_STR(OID_802_3_CURRENT_ADDRESS);
575 OID_STR(OID_802_3_MULTICAST_LIST);
576 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
578 OID_STR(OID_802_11_BSSID);
579 OID_STR(OID_802_11_SSID);
580 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
581 OID_STR(OID_802_11_ADD_WEP);
582 OID_STR(OID_802_11_REMOVE_WEP);
583 OID_STR(OID_802_11_DISASSOCIATE);
584 OID_STR(OID_802_11_AUTHENTICATION_MODE);
585 OID_STR(OID_802_11_PRIVACY_FILTER);
586 OID_STR(OID_802_11_BSSID_LIST_SCAN);
587 OID_STR(OID_802_11_ENCRYPTION_STATUS);
588 OID_STR(OID_802_11_ADD_KEY);
589 OID_STR(OID_802_11_REMOVE_KEY);
590 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
591 OID_STR(OID_802_11_PMKID);
592 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
593 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
594 OID_STR(OID_802_11_TX_POWER_LEVEL);
595 OID_STR(OID_802_11_RSSI);
596 OID_STR(OID_802_11_RSSI_TRIGGER);
597 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
598 OID_STR(OID_802_11_RTS_THRESHOLD);
599 OID_STR(OID_802_11_SUPPORTED_RATES);
600 OID_STR(OID_802_11_CONFIGURATION);
601 OID_STR(OID_802_11_BSSID_LIST);
608 static const char *oid_to_string(__le32 oid)
615 /* translate error code */
616 static int rndis_error_status(__le32 rndis_status)
619 switch (rndis_status) {
620 case RNDIS_STATUS_SUCCESS:
623 case RNDIS_STATUS_FAILURE:
624 case RNDIS_STATUS_INVALID_DATA:
627 case RNDIS_STATUS_NOT_SUPPORTED:
630 case RNDIS_STATUS_ADAPTER_NOT_READY:
631 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
639 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
641 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
644 struct rndis_msg_hdr *header;
645 struct rndis_query *get;
646 struct rndis_query_c *get_c;
650 buflen = *len + sizeof(*u.get);
651 if (buflen < CONTROL_BUFFER_SIZE)
652 buflen = CONTROL_BUFFER_SIZE;
654 if (buflen > COMMAND_BUFFER_SIZE) {
655 u.buf = kmalloc(buflen, GFP_KERNEL);
659 u.buf = priv->command_buffer;
662 mutex_lock(&priv->command_lock);
664 memset(u.get, 0, sizeof *u.get);
665 u.get->msg_type = RNDIS_MSG_QUERY;
666 u.get->msg_len = cpu_to_le32(sizeof *u.get);
669 priv->current_command_oid = oid;
670 ret = rndis_command(dev, u.header, buflen);
671 priv->current_command_oid = 0;
673 devdbg(dev, "rndis_query_oid(%s): rndis_command() failed, %d "
674 "(%08x)", oid_to_string(oid), ret,
675 le32_to_cpu(u.get_c->status));
678 ret = le32_to_cpu(u.get_c->len);
679 *len = (*len > ret) ? ret : *len;
680 memcpy(data, u.buf + le32_to_cpu(u.get_c->offset) + 8, *len);
681 ret = rndis_error_status(u.get_c->status);
684 devdbg(dev, "rndis_query_oid(%s): device returned "
685 "error, 0x%08x (%d)", oid_to_string(oid),
686 le32_to_cpu(u.get_c->status), ret);
689 mutex_unlock(&priv->command_lock);
691 if (u.buf != priv->command_buffer)
697 static int rndis_set_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_set *set;
704 struct rndis_set_c *set_c;
708 buflen = len + sizeof(*u.set);
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.set, 0, sizeof *u.set);
723 u.set->msg_type = RNDIS_MSG_SET;
724 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
726 u.set->len = cpu_to_le32(len);
727 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
728 u.set->handle = cpu_to_le32(0);
729 memcpy(u.buf + sizeof(*u.set), data, len);
731 priv->current_command_oid = oid;
732 ret = rndis_command(dev, u.header, buflen);
733 priv->current_command_oid = 0;
735 devdbg(dev, "rndis_set_oid(%s): rndis_command() failed, %d "
736 "(%08x)", oid_to_string(oid), ret,
737 le32_to_cpu(u.set_c->status));
740 ret = rndis_error_status(u.set_c->status);
743 devdbg(dev, "rndis_set_oid(%s): device returned error, "
744 "0x%08x (%d)", oid_to_string(oid),
745 le32_to_cpu(u.set_c->status), ret);
748 mutex_unlock(&priv->command_lock);
750 if (u.buf != priv->command_buffer)
756 static int rndis_reset(struct usbnet *usbdev)
758 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
759 struct rndis_reset *reset;
762 mutex_lock(&priv->command_lock);
764 reset = (void *)priv->command_buffer;
765 memset(reset, 0, sizeof(*reset));
766 reset->msg_type = RNDIS_MSG_RESET;
767 reset->msg_len = cpu_to_le32(sizeof(*reset));
768 priv->current_command_oid = 0;
769 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
771 mutex_unlock(&priv->command_lock);
780 * Specs say that we can only set config parameters only soon after device
782 * value_type: 0 = u32, 2 = unicode string
784 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
785 int value_type, void *value)
787 struct ndis_config_param *infobuf;
788 int value_len, info_len, param_len, ret, i;
793 value_len = sizeof(__le32);
794 else if (value_type == 2)
795 value_len = strlen(value) * sizeof(__le16);
799 param_len = strlen(param) * sizeof(__le16);
800 info_len = sizeof(*infobuf) + param_len + value_len;
805 infobuf = kmalloc(info_len, GFP_KERNEL);
811 /* extra 12 bytes are for padding (debug output) */
812 memset(infobuf, 0xCC, info_len + 12);
816 devdbg(dev, "setting config parameter: %s, value: %s",
819 devdbg(dev, "setting config parameter: %s, value: %d",
820 param, *(u32 *)value);
822 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
823 infobuf->name_length = cpu_to_le32(param_len);
824 infobuf->type = cpu_to_le32(value_type);
825 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
826 infobuf->value_length = cpu_to_le32(value_len);
828 /* simple string to unicode string conversion */
829 unibuf = (void *)infobuf + sizeof(*infobuf);
830 for (i = 0; i < param_len / sizeof(__le16); i++)
831 unibuf[i] = cpu_to_le16(param[i]);
833 if (value_type == 2) {
834 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
835 for (i = 0; i < value_len / sizeof(__le16); i++)
836 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
838 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
839 *dst_value = cpu_to_le32(*(u32 *)value);
843 devdbg(dev, "info buffer (len: %d):", info_len);
844 for (i = 0; i < info_len; i += 12) {
845 u32 *tmp = (u32 *)((u8 *)infobuf + i);
846 devdbg(dev, "%08X:%08X:%08X",
849 cpu_to_be32(tmp[2]));
853 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
856 devdbg(dev, "setting rndis config parameter failed, %d.", ret);
862 static int rndis_set_config_parameter_str(struct usbnet *dev,
863 char *param, char *value)
865 return(rndis_set_config_parameter(dev, param, 2, value));
868 /*static int rndis_set_config_parameter_u32(struct usbnet *dev,
869 char *param, u32 value)
871 return(rndis_set_config_parameter(dev, param, 0, &value));
876 * data conversion functions
878 static int level_to_qual(int level)
880 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
881 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
885 static void dsconfig_to_freq(unsigned int dsconfig, struct iw_freq *freq)
891 /* see comment in wireless.h above the "struct iw_freq"
892 * definition for an explanation of this if
893 * NOTE: 1000000 is due to the kHz
895 if (dsconfig > 1000000) {
896 freq->m = dsconfig / 10;
901 /* convert from kHz to Hz */
906 static int freq_to_dsconfig(struct iw_freq *freq, unsigned int *dsconfig)
908 if (freq->m < 1000 && freq->e == 0) {
909 if (freq->m >= 1 && freq->m <= 14)
910 *dsconfig = ieee80211_dsss_chan_to_freq(freq->m) * 1000;
916 for (i = freq->e; i > 0; i--)
928 static void restore_keys(struct usbnet *usbdev);
929 static int rndis_check_bssid_list(struct usbnet *usbdev);
931 static int get_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
936 ret = rndis_query_oid(usbdev, OID_802_11_SSID, ssid, &len);
943 unsigned char tmp[NDIS_802_11_LENGTH_SSID + 1];
945 memcpy(tmp, ssid->essid, le32_to_cpu(ssid->length));
946 tmp[le32_to_cpu(ssid->length)] = 0;
947 devdbg(usbdev, "get_essid: '%s', ret: %d", tmp, ret);
954 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
956 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
959 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
961 memcpy(&priv->essid, ssid, sizeof(priv->essid));
963 devdbg(usbdev, "set_essid: radio_on = 1");
970 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
975 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
978 memset(bssid, 0, ETH_ALEN);
983 static int get_association_info(struct usbnet *usbdev,
984 struct ndis_80211_assoc_info *info, int len)
986 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
990 static int is_associated(struct usbnet *usbdev)
995 ret = get_bssid(usbdev, bssid);
997 return(ret == 0 && memcmp(bssid, zero_bssid, ETH_ALEN) != 0);
1001 static int disassociate(struct usbnet *usbdev, int reset_ssid)
1003 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1004 struct ndis_80211_ssid ssid;
1007 if (priv->radio_on) {
1008 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1011 devdbg(usbdev, "disassociate: radio_on = 0");
1018 /* disassociate causes radio to be turned off; if reset_ssid
1019 * is given, set random ssid to enable radio */
1021 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1022 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1023 ssid.essid[0] = 0x1;
1024 ssid.essid[1] = 0xff;
1025 for (i = 2; i < sizeof(ssid.essid); i++)
1026 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1027 ret = set_essid(usbdev, &ssid);
1033 static int set_auth_mode(struct usbnet *usbdev, int wpa_version, int authalg)
1035 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1039 devdbg(usbdev, "set_auth_mode: wpa_version=0x%x authalg=0x%x "
1040 "keymgmt=0x%x", wpa_version, authalg, priv->wpa_keymgmt);
1042 if (wpa_version & IW_AUTH_WPA_VERSION_WPA2) {
1043 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1044 auth_mode = NDIS_80211_AUTH_WPA2;
1046 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1047 } else if (wpa_version & IW_AUTH_WPA_VERSION_WPA) {
1048 if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_802_1X)
1049 auth_mode = NDIS_80211_AUTH_WPA;
1050 else if (priv->wpa_keymgmt & IW_AUTH_KEY_MGMT_PSK)
1051 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1053 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1054 } else if (authalg & IW_AUTH_ALG_SHARED_KEY) {
1055 if (authalg & IW_AUTH_ALG_OPEN_SYSTEM)
1056 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1058 auth_mode = NDIS_80211_AUTH_SHARED;
1060 auth_mode = NDIS_80211_AUTH_OPEN;
1062 tmp = cpu_to_le32(auth_mode);
1063 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1066 devwarn(usbdev, "setting auth mode failed (%08X)", ret);
1070 priv->wpa_version = wpa_version;
1071 priv->wpa_authalg = authalg;
1076 static int set_priv_filter(struct usbnet *usbdev)
1078 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1081 devdbg(usbdev, "set_priv_filter: wpa_version=0x%x", priv->wpa_version);
1083 if (priv->wpa_version & IW_AUTH_WPA_VERSION_WPA2 ||
1084 priv->wpa_version & IW_AUTH_WPA_VERSION_WPA)
1085 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1087 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1089 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1094 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1096 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1100 devdbg(usbdev, "set_encr_mode: cipher_pair=0x%x cipher_group=0x%x",
1104 if (pairwise & IW_AUTH_CIPHER_CCMP)
1105 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1106 else if (pairwise & IW_AUTH_CIPHER_TKIP)
1107 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1109 (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104))
1110 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1111 else if (groupwise & IW_AUTH_CIPHER_CCMP)
1112 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1113 else if (groupwise & IW_AUTH_CIPHER_TKIP)
1114 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1116 encr_mode = NDIS_80211_ENCR_DISABLED;
1118 tmp = cpu_to_le32(encr_mode);
1119 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1122 devwarn(usbdev, "setting encr mode failed (%08X)", ret);
1126 priv->wpa_cipher_pair = pairwise;
1127 priv->wpa_cipher_group = groupwise;
1132 static int set_assoc_params(struct usbnet *usbdev)
1134 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1136 set_auth_mode(usbdev, priv->wpa_version, priv->wpa_authalg);
1137 set_priv_filter(usbdev);
1138 set_encr_mode(usbdev, priv->wpa_cipher_pair, priv->wpa_cipher_group);
1144 static int set_infra_mode(struct usbnet *usbdev, int mode)
1146 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1150 devdbg(usbdev, "set_infra_mode: infra_mode=0x%x", priv->infra_mode);
1152 tmp = cpu_to_le32(mode);
1153 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1156 devwarn(usbdev, "setting infra mode failed (%08X)", ret);
1160 /* NDIS drivers clear keys when infrastructure mode is
1161 * changed. But Linux tools assume otherwise. So set the
1163 restore_keys(usbdev);
1165 priv->infra_mode = mode;
1170 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1174 devdbg(usbdev, "set_rts_threshold %i", rts_threshold);
1176 if (rts_threshold < 0 || rts_threshold > 2347)
1177 rts_threshold = 2347;
1179 tmp = cpu_to_le32(rts_threshold);
1180 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1185 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1189 devdbg(usbdev, "set_frag_threshold %i", frag_threshold);
1191 if (frag_threshold < 256 || frag_threshold > 2346)
1192 frag_threshold = 2346;
1194 tmp = cpu_to_le32(frag_threshold);
1195 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1200 static void set_default_iw_params(struct usbnet *usbdev)
1202 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1204 priv->wpa_keymgmt = 0;
1205 priv->wpa_version = 0;
1207 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1208 set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
1209 IW_AUTH_ALG_OPEN_SYSTEM);
1210 set_priv_filter(usbdev);
1211 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1215 static int deauthenticate(struct usbnet *usbdev)
1219 ret = disassociate(usbdev, 1);
1220 set_default_iw_params(usbdev);
1225 /* index must be 0 - N, as per NDIS */
1226 static int add_wep_key(struct usbnet *usbdev, char *key, int key_len, int index)
1228 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1229 struct ndis_80211_wep_key ndis_key;
1232 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1236 cipher = WLAN_CIPHER_SUITE_WEP40;
1238 cipher = WLAN_CIPHER_SUITE_WEP104;
1240 memset(&ndis_key, 0, sizeof(ndis_key));
1242 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1243 ndis_key.length = cpu_to_le32(key_len);
1244 ndis_key.index = cpu_to_le32(index);
1245 memcpy(&ndis_key.material, key, key_len);
1247 if (index == priv->encr_tx_key_index) {
1248 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1249 ret = set_encr_mode(usbdev, IW_AUTH_CIPHER_WEP104,
1250 IW_AUTH_CIPHER_NONE);
1252 devwarn(usbdev, "encryption couldn't be enabled (%08X)",
1256 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1259 devwarn(usbdev, "adding encryption key %d failed (%08X)",
1264 priv->encr_keys[index].len = key_len;
1265 priv->encr_keys[index].cipher = cipher;
1266 memcpy(&priv->encr_keys[index].material, key, key_len);
1267 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1273 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1274 int index, const u8 *addr, const u8 *rx_seq, int cipher,
1277 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1278 struct ndis_80211_key ndis_key;
1282 if (index < 0 || index >= 4) {
1283 devdbg(usbdev, "add_wpa_key: index out of range (%i)", index);
1286 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1287 devdbg(usbdev, "add_wpa_key: key length out of range (%i)",
1291 if ((flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) && !rx_seq) {
1292 devdbg(usbdev, "add_wpa_key: recv seq flag without buffer");
1295 is_addr_ok = addr && memcmp(addr, zero_bssid, ETH_ALEN) != 0 &&
1296 memcmp(addr, ffff_bssid, ETH_ALEN) != 0;
1297 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1298 devdbg(usbdev, "add_wpa_key: pairwise but bssid invalid (%pM)",
1303 devdbg(usbdev, "add_wpa_key(%i): flags:%i%i%i", index,
1304 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1305 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1306 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1308 memset(&ndis_key, 0, sizeof(ndis_key));
1310 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1311 sizeof(ndis_key.material) + key_len);
1312 ndis_key.length = cpu_to_le32(key_len);
1313 ndis_key.index = cpu_to_le32(index) | flags;
1315 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1316 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1317 * different order than NDIS spec, so swap the order here. */
1318 memcpy(ndis_key.material, key, 16);
1319 memcpy(ndis_key.material + 16, key + 24, 8);
1320 memcpy(ndis_key.material + 24, key + 16, 8);
1322 memcpy(ndis_key.material, key, key_len);
1324 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1325 memcpy(ndis_key.rsc, rx_seq, 6);
1327 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1329 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1332 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1333 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1335 get_bssid(usbdev, ndis_key.bssid);
1338 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1339 le32_to_cpu(ndis_key.size));
1340 devdbg(usbdev, "add_wpa_key: OID_802_11_ADD_KEY -> %08X", ret);
1344 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1345 priv->encr_keys[index].len = key_len;
1346 priv->encr_keys[index].cipher = cipher;
1347 memcpy(&priv->encr_keys[index].material, key, key_len);
1348 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1349 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1351 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1353 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1354 priv->encr_tx_key_index = index;
1360 static int restore_key(struct usbnet *usbdev, int key_idx)
1362 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1363 struct rndis_wlan_encr_key key;
1366 key = priv->encr_keys[key_idx];
1368 devdbg(usbdev, "restore_key: %i:%s:%i", key_idx,
1369 is_wpa_key(priv, key_idx) ? "wpa" : "wep",
1375 if (is_wpa_key(priv, key_idx)) {
1378 /*if (priv->encr_tx_key_index == key_idx)
1379 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;*/
1381 if (memcmp(key.bssid, zero_bssid, ETH_ALEN) != 0 &&
1382 memcmp(key.bssid, ffff_bssid, ETH_ALEN) != 0)
1383 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
1385 return add_wpa_key(usbdev, key.material, key.len, key_idx,
1386 key.bssid, NULL, key.cipher, flags);
1389 return add_wep_key(usbdev, key.material, key.len, key_idx);
1393 static void restore_keys(struct usbnet *usbdev)
1397 for (i = 0; i < 4; i++)
1398 restore_key(usbdev, i);
1402 static void clear_key(struct rndis_wlan_private *priv, int idx)
1404 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1408 /* remove_key is for both wep and wpa */
1409 static int remove_key(struct usbnet *usbdev, int index, u8 bssid[ETH_ALEN])
1411 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1412 struct ndis_80211_remove_key remove_key;
1417 if (priv->encr_keys[index].len == 0)
1420 is_wpa = is_wpa_key(priv, index);
1422 devdbg(usbdev, "remove_key: %i:%s:%i", index, is_wpa ? "wpa" : "wep",
1423 priv->encr_keys[index].len);
1425 clear_key(priv, index);
1428 remove_key.size = cpu_to_le32(sizeof(remove_key));
1429 remove_key.index = cpu_to_le32(index);
1432 if (memcmp(bssid, ffff_bssid, ETH_ALEN) != 0)
1434 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1435 memcpy(remove_key.bssid, bssid,
1436 sizeof(remove_key.bssid));
1438 memset(remove_key.bssid, 0xff,
1439 sizeof(remove_key.bssid));
1441 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1442 sizeof(remove_key));
1446 keyindex = cpu_to_le32(index);
1447 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1451 "removing encryption key %d failed (%08X)",
1457 /* if it is transmit key, disable encryption */
1458 if (index == priv->encr_tx_key_index)
1459 set_encr_mode(usbdev, IW_AUTH_CIPHER_NONE, IW_AUTH_CIPHER_NONE);
1465 static void set_multicast_list(struct usbnet *usbdev)
1467 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1468 struct dev_mc_list *mclist;
1473 filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
1475 if (usbdev->net->flags & IFF_PROMISC) {
1476 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1477 RNDIS_PACKET_TYPE_ALL_LOCAL;
1478 } else if (usbdev->net->flags & IFF_ALLMULTI ||
1479 usbdev->net->mc_count > priv->multicast_size) {
1480 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1481 } else if (usbdev->net->mc_count > 0) {
1482 size = min(priv->multicast_size, usbdev->net->mc_count);
1483 buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
1486 "couldn't alloc %d bytes of memory",
1491 mclist = usbdev->net->mc_list;
1492 for (i = 0; i < size && mclist; mclist = mclist->next) {
1493 if (mclist->dmi_addrlen != ETH_ALEN)
1496 memcpy(buf + i * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
1500 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
1502 if (ret == 0 && i > 0)
1503 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1505 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1507 devdbg(usbdev, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d",
1508 i, priv->multicast_size, ret);
1513 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1516 devwarn(usbdev, "couldn't set packet filter: %08x",
1517 le32_to_cpu(filter));
1520 devdbg(usbdev, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d",
1521 le32_to_cpu(filter), ret);
1528 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1529 struct net_device *dev,
1530 enum nl80211_iftype type, u32 *flags,
1531 struct vif_params *params)
1533 struct usbnet *usbdev = netdev_priv(dev);
1537 case NL80211_IFTYPE_ADHOC:
1538 mode = NDIS_80211_INFRA_ADHOC;
1540 case NL80211_IFTYPE_STATION:
1541 mode = NDIS_80211_INFRA_INFRA;
1547 return set_infra_mode(usbdev, mode);
1551 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1553 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1554 struct usbnet *usbdev = priv->usbdev;
1557 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1558 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1563 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1564 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1573 static int rndis_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type,
1576 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1577 struct usbnet *usbdev = priv->usbdev;
1579 devdbg(usbdev, "rndis_set_tx_power type:0x%x dbm:%i", type, dbm);
1581 /* Device doesn't support changing txpower after initialization, only
1582 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1585 if (type == TX_POWER_AUTOMATIC || dbm == get_bcm4320_power_dbm(priv)) {
1586 if (!priv->radio_on)
1587 disassociate(usbdev, 1); /* turn on radio */
1596 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1598 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1599 struct usbnet *usbdev = priv->usbdev;
1601 *dbm = get_bcm4320_power_dbm(priv);
1603 devdbg(usbdev, "rndis_get_tx_power dbm:%i", *dbm);
1609 #define SCAN_DELAY_JIFFIES (HZ)
1610 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1611 struct cfg80211_scan_request *request)
1613 struct usbnet *usbdev = netdev_priv(dev);
1614 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1618 devdbg(usbdev, "cfg80211.scan");
1620 /* Get current bssid list from device before new scan, as new scan
1621 * clears internal bssid list.
1623 rndis_check_bssid_list(usbdev);
1628 if (priv->scan_request && priv->scan_request != request)
1631 priv->scan_request = request;
1633 tmp = cpu_to_le32(1);
1634 ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1637 /* Wait before retrieving scan results from device */
1638 queue_delayed_work(priv->workqueue, &priv->scan_work,
1639 SCAN_DELAY_JIFFIES);
1646 static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
1647 struct ndis_80211_bssid_ex *bssid)
1649 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1650 struct ieee80211_channel *channel;
1654 u16 beacon_interval;
1655 struct ndis_80211_fixed_ies *fixed;
1656 int ie_len, bssid_len;
1659 /* parse bssid structure */
1660 bssid_len = le32_to_cpu(bssid->length);
1662 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
1663 sizeof(struct ndis_80211_fixed_ies))
1666 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
1668 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
1669 ie_len = min(bssid_len - (int)sizeof(*bssid),
1670 (int)le32_to_cpu(bssid->ie_length));
1671 ie_len -= sizeof(struct ndis_80211_fixed_ies);
1675 /* extract data for cfg80211_inform_bss */
1676 channel = ieee80211_get_channel(priv->wdev.wiphy,
1677 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
1681 signal = level_to_qual(le32_to_cpu(bssid->rssi));
1682 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
1683 capability = le16_to_cpu(fixed->capabilities);
1684 beacon_interval = le16_to_cpu(fixed->beacon_interval);
1686 return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
1687 timestamp, capability, beacon_interval, ie, ie_len, signal,
1692 static int rndis_check_bssid_list(struct usbnet *usbdev)
1695 struct ndis_80211_bssid_list_ex *bssid_list;
1696 struct ndis_80211_bssid_ex *bssid;
1697 int ret = -EINVAL, len, count, bssid_len;
1699 devdbg(usbdev, "check_bssid_list");
1701 len = CONTROL_BUFFER_SIZE;
1702 buf = kmalloc(len, GFP_KERNEL);
1708 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
1713 bssid = bssid_list->bssid;
1714 bssid_len = le32_to_cpu(bssid->length);
1715 count = le32_to_cpu(bssid_list->num_items);
1716 devdbg(usbdev, "check_bssid_list: %d BSSIDs found", count);
1718 while (count && ((void *)bssid + bssid_len) <= (buf + len)) {
1719 rndis_bss_info_update(usbdev, bssid);
1721 bssid = (void *)bssid + bssid_len;
1722 bssid_len = le32_to_cpu(bssid->length);
1732 static void rndis_get_scan_results(struct work_struct *work)
1734 struct rndis_wlan_private *priv =
1735 container_of(work, struct rndis_wlan_private, scan_work.work);
1736 struct usbnet *usbdev = priv->usbdev;
1739 devdbg(usbdev, "get_scan_results");
1741 if (!priv->scan_request)
1744 ret = rndis_check_bssid_list(usbdev);
1746 cfg80211_scan_done(priv->scan_request, ret < 0);
1748 priv->scan_request = NULL;
1753 * wireless extension handlers
1756 static int rndis_iw_commit(struct net_device *dev,
1757 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1764 static int rndis_iw_set_essid(struct net_device *dev,
1765 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1767 struct ndis_80211_ssid ssid;
1768 int length = wrqu->essid.length;
1769 struct usbnet *usbdev = netdev_priv(dev);
1771 devdbg(usbdev, "SIOCSIWESSID: [flags:%d,len:%d] '%.32s'",
1772 wrqu->essid.flags, wrqu->essid.length, essid);
1774 if (length > NDIS_802_11_LENGTH_SSID)
1775 length = NDIS_802_11_LENGTH_SSID;
1777 ssid.length = cpu_to_le32(length);
1779 memcpy(ssid.essid, essid, length);
1781 memset(ssid.essid, 0, NDIS_802_11_LENGTH_SSID);
1783 set_assoc_params(usbdev);
1785 if (!wrqu->essid.flags || length == 0)
1786 return disassociate(usbdev, 1);
1788 /* Pause and purge rx queue, so we don't pass packets before
1789 * 'media connect'-indication.
1791 usbnet_pause_rx(usbdev);
1792 usbnet_purge_paused_rxq(usbdev);
1794 return set_essid(usbdev, &ssid);
1799 static int rndis_iw_get_essid(struct net_device *dev,
1800 struct iw_request_info *info, union iwreq_data *wrqu, char *essid)
1802 struct ndis_80211_ssid ssid;
1803 struct usbnet *usbdev = netdev_priv(dev);
1806 ret = get_essid(usbdev, &ssid);
1808 if (ret == 0 && le32_to_cpu(ssid.length) > 0) {
1809 wrqu->essid.flags = 1;
1810 wrqu->essid.length = le32_to_cpu(ssid.length);
1811 memcpy(essid, ssid.essid, wrqu->essid.length);
1812 essid[wrqu->essid.length] = 0;
1814 memset(essid, 0, sizeof(NDIS_802_11_LENGTH_SSID));
1815 wrqu->essid.flags = 0;
1816 wrqu->essid.length = 0;
1818 devdbg(usbdev, "SIOCGIWESSID: %s", essid);
1823 static int rndis_iw_get_bssid(struct net_device *dev,
1824 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1826 struct usbnet *usbdev = netdev_priv(dev);
1827 unsigned char bssid[ETH_ALEN];
1830 ret = get_bssid(usbdev, bssid);
1833 devdbg(usbdev, "SIOCGIWAP: %pM", bssid);
1835 devdbg(usbdev, "SIOCGIWAP: <not associated>");
1837 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1838 memcpy(wrqu->ap_addr.sa_data, bssid, ETH_ALEN);
1844 static int rndis_iw_set_bssid(struct net_device *dev,
1845 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1847 struct usbnet *usbdev = netdev_priv(dev);
1848 u8 *bssid = (u8 *)wrqu->ap_addr.sa_data;
1851 devdbg(usbdev, "SIOCSIWAP: %pM", bssid);
1853 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1855 /* user apps may set ap's mac address, which is not required;
1856 * they may fail to work if this function fails, so return
1859 devwarn(usbdev, "setting AP mac address failed (%08X)", ret);
1865 static int rndis_iw_set_auth(struct net_device *dev,
1866 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1868 struct iw_param *p = &wrqu->param;
1869 struct usbnet *usbdev = netdev_priv(dev);
1870 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1871 int ret = -ENOTSUPP;
1873 switch (p->flags & IW_AUTH_INDEX) {
1874 case IW_AUTH_WPA_VERSION:
1875 devdbg(usbdev, "SIOCSIWAUTH: WPA_VERSION, %08x", p->value);
1876 priv->wpa_version = p->value;
1880 case IW_AUTH_CIPHER_PAIRWISE:
1881 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_PAIRWISE, %08x", p->value);
1882 priv->wpa_cipher_pair = p->value;
1886 case IW_AUTH_CIPHER_GROUP:
1887 devdbg(usbdev, "SIOCSIWAUTH: CIPHER_GROUP, %08x", p->value);
1888 priv->wpa_cipher_group = p->value;
1892 case IW_AUTH_KEY_MGMT:
1893 devdbg(usbdev, "SIOCSIWAUTH: KEY_MGMT, %08x", p->value);
1894 priv->wpa_keymgmt = p->value;
1898 case IW_AUTH_TKIP_COUNTERMEASURES:
1899 devdbg(usbdev, "SIOCSIWAUTH: TKIP_COUNTERMEASURES, %08x",
1904 case IW_AUTH_DROP_UNENCRYPTED:
1905 devdbg(usbdev, "SIOCSIWAUTH: DROP_UNENCRYPTED, %08x", p->value);
1909 case IW_AUTH_80211_AUTH_ALG:
1910 devdbg(usbdev, "SIOCSIWAUTH: 80211_AUTH_ALG, %08x", p->value);
1911 priv->wpa_authalg = p->value;
1915 case IW_AUTH_WPA_ENABLED:
1916 devdbg(usbdev, "SIOCSIWAUTH: WPA_ENABLED, %08x", p->value);
1917 if (wrqu->param.value)
1918 deauthenticate(usbdev);
1922 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1923 devdbg(usbdev, "SIOCSIWAUTH: RX_UNENCRYPTED_EAPOL, %08x",
1928 case IW_AUTH_ROAMING_CONTROL:
1929 devdbg(usbdev, "SIOCSIWAUTH: ROAMING_CONTROL, %08x", p->value);
1933 case IW_AUTH_PRIVACY_INVOKED:
1934 devdbg(usbdev, "SIOCSIWAUTH: invalid cmd %d",
1935 wrqu->param.flags & IW_AUTH_INDEX);
1939 devdbg(usbdev, "SIOCSIWAUTH: UNKNOWN %08x, %08x",
1940 p->flags & IW_AUTH_INDEX, p->value);
1946 static int rndis_iw_get_auth(struct net_device *dev,
1947 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1949 struct iw_param *p = &wrqu->param;
1950 struct usbnet *usbdev = netdev_priv(dev);
1951 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1953 switch (p->flags & IW_AUTH_INDEX) {
1954 case IW_AUTH_WPA_VERSION:
1955 p->value = priv->wpa_version;
1957 case IW_AUTH_CIPHER_PAIRWISE:
1958 p->value = priv->wpa_cipher_pair;
1960 case IW_AUTH_CIPHER_GROUP:
1961 p->value = priv->wpa_cipher_group;
1963 case IW_AUTH_KEY_MGMT:
1964 p->value = priv->wpa_keymgmt;
1966 case IW_AUTH_80211_AUTH_ALG:
1967 p->value = priv->wpa_authalg;
1970 devdbg(usbdev, "SIOCGIWAUTH: invalid cmd %d",
1971 wrqu->param.flags & IW_AUTH_INDEX);
1978 static int rndis_iw_set_encode(struct net_device *dev,
1979 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
1981 struct usbnet *usbdev = netdev_priv(dev);
1982 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1983 struct rndis_wlan_encr_key key;
1984 int ret, index, key_len;
1987 index = (wrqu->encoding.flags & IW_ENCODE_INDEX);
1989 /* iwconfig gives index as 1 - N */
1993 index = priv->encr_tx_key_index;
1995 if (index < 0 || index >= 4) {
1996 devwarn(usbdev, "encryption index out of range (%u)", index);
2000 /* remove key if disabled */
2001 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
2002 if (remove_key(usbdev, index, NULL))
2008 /* global encryption state (for all keys) */
2009 if (wrqu->data.flags & IW_ENCODE_OPEN)
2010 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
2011 IW_AUTH_ALG_OPEN_SYSTEM);
2012 else /*if (wrqu->data.flags & IW_ENCODE_RESTRICTED)*/
2013 ret = set_auth_mode(usbdev, IW_AUTH_WPA_VERSION_DISABLED,
2014 IW_AUTH_ALG_SHARED_KEY);
2018 if (wrqu->data.length > 0) {
2019 key_len = wrqu->data.length;
2022 /* must be set as tx key */
2023 if (priv->encr_keys[index].len == 0)
2025 key = priv->encr_keys[index];
2027 keybuf = key.material;
2028 priv->encr_tx_key_index = index;
2031 if (add_wep_key(usbdev, keybuf, key_len, index) != 0)
2034 if (index == priv->encr_tx_key_index)
2035 /* ndis drivers want essid to be set after setting encr */
2036 set_essid(usbdev, &priv->essid);
2042 static int rndis_iw_set_encode_ext(struct net_device *dev,
2043 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2045 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
2046 struct usbnet *usbdev = netdev_priv(dev);
2047 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2048 int keyidx, flags, cipher;
2050 keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
2052 /* iwconfig gives index as 1 - N */
2056 keyidx = priv->encr_tx_key_index;
2058 if (keyidx < 0 || keyidx >= 4) {
2059 devwarn(usbdev, "encryption index out of range (%u)", keyidx);
2063 if (ext->alg == WPA_ALG_WEP) {
2064 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2065 priv->encr_tx_key_index = keyidx;
2066 return add_wep_key(usbdev, ext->key, ext->key_len, keyidx);
2070 if (ext->alg == IW_ENCODE_ALG_TKIP)
2071 cipher = WLAN_CIPHER_SUITE_TKIP;
2072 else if (ext->alg == IW_ENCODE_ALG_CCMP)
2073 cipher = WLAN_CIPHER_SUITE_CCMP;
2075 if ((wrqu->encoding.flags & IW_ENCODE_DISABLED) ||
2076 ext->alg == IW_ENCODE_ALG_NONE || ext->key_len == 0)
2077 return remove_key(usbdev, keyidx, NULL);
2083 if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
2084 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2085 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY))
2086 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY;
2087 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
2088 flags |= NDIS_80211_ADDKEY_TRANSMIT_KEY;
2090 return add_wpa_key(usbdev, ext->key, ext->key_len, keyidx,
2091 (u8 *)&ext->addr.sa_data, ext->rx_seq, cipher,
2096 static int rndis_iw_set_genie(struct net_device *dev,
2097 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2099 struct usbnet *usbdev = netdev_priv(dev);
2100 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2106 for (j = 0; j < wrqu->data.length; j += 8)
2108 "SIOCSIWGENIE %04x - "
2109 "%02x %02x %02x %02x %02x %02x %02x %02x", j,
2110 gie[j + 0], gie[j + 1], gie[j + 2], gie[j + 3],
2111 gie[j + 4], gie[j + 5], gie[j + 6], gie[j + 7]);
2113 /* clear existing IEs */
2114 if (priv->wpa_ie_len) {
2115 kfree(priv->wpa_ie);
2116 priv->wpa_ie_len = 0;
2120 priv->wpa_ie = kmalloc(wrqu->data.length, GFP_KERNEL);
2122 priv->wpa_ie_len = wrqu->data.length;
2123 memcpy(priv->wpa_ie, extra, priv->wpa_ie_len);
2130 static int rndis_iw_get_genie(struct net_device *dev,
2131 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2133 struct usbnet *usbdev = netdev_priv(dev);
2134 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2136 devdbg(usbdev, "SIOCGIWGENIE");
2138 if (priv->wpa_ie_len == 0 || priv->wpa_ie == NULL) {
2139 wrqu->data.length = 0;
2143 if (wrqu->data.length < priv->wpa_ie_len)
2146 wrqu->data.length = priv->wpa_ie_len;
2147 memcpy(extra, priv->wpa_ie, priv->wpa_ie_len);
2153 static int rndis_iw_set_freq(struct net_device *dev,
2154 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2156 struct usbnet *usbdev = netdev_priv(dev);
2157 struct ndis_80211_conf config;
2158 unsigned int dsconfig;
2161 /* this OID is valid only when not associated */
2162 if (is_associated(usbdev))
2166 if (freq_to_dsconfig(&wrqu->freq, &dsconfig))
2169 len = sizeof(config);
2170 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2172 devdbg(usbdev, "SIOCSIWFREQ: querying configuration failed");
2176 config.ds_config = cpu_to_le32(dsconfig);
2178 devdbg(usbdev, "SIOCSIWFREQ: %d * 10^%d", wrqu->freq.m, wrqu->freq.e);
2179 return rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
2184 static int rndis_iw_get_freq(struct net_device *dev,
2185 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2187 struct usbnet *usbdev = netdev_priv(dev);
2188 struct ndis_80211_conf config;
2191 len = sizeof(config);
2192 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2194 dsconfig_to_freq(le32_to_cpu(config.ds_config), &wrqu->freq);
2196 devdbg(usbdev, "SIOCGIWFREQ: %d", wrqu->freq.m);
2201 static int rndis_iw_get_rate(struct net_device *dev,
2202 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2204 struct usbnet *usbdev = netdev_priv(dev);
2209 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
2211 wrqu->bitrate.value = le32_to_cpu(tmp) * 100;
2212 wrqu->bitrate.disabled = 0;
2213 wrqu->bitrate.flags = 1;
2219 static int rndis_iw_set_mlme(struct net_device *dev,
2220 struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
2222 struct usbnet *usbdev = netdev_priv(dev);
2223 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2224 struct iw_mlme *mlme = (struct iw_mlme *)extra;
2225 unsigned char bssid[ETH_ALEN];
2227 get_bssid(usbdev, bssid);
2229 if (memcmp(bssid, mlme->addr.sa_data, ETH_ALEN))
2232 switch (mlme->cmd) {
2233 case IW_MLME_DEAUTH:
2234 return deauthenticate(usbdev);
2235 case IW_MLME_DISASSOC:
2236 return disassociate(usbdev, priv->radio_on);
2245 static struct iw_statistics *rndis_get_wireless_stats(struct net_device *dev)
2247 struct usbnet *usbdev = netdev_priv(dev);
2248 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2249 unsigned long flags;
2251 spin_lock_irqsave(&priv->stats_lock, flags);
2252 memcpy(&priv->iwstats, &priv->privstats, sizeof(priv->iwstats));
2253 spin_unlock_irqrestore(&priv->stats_lock, flags);
2255 return &priv->iwstats;
2259 #define IW_IOCTL(x) [(x) - SIOCSIWCOMMIT]
2260 static const iw_handler rndis_iw_handler[] =
2262 IW_IOCTL(SIOCSIWCOMMIT) = rndis_iw_commit,
2263 IW_IOCTL(SIOCGIWNAME) = (iw_handler) cfg80211_wext_giwname,
2264 IW_IOCTL(SIOCSIWFREQ) = rndis_iw_set_freq,
2265 IW_IOCTL(SIOCGIWFREQ) = rndis_iw_get_freq,
2266 IW_IOCTL(SIOCSIWMODE) = (iw_handler) cfg80211_wext_siwmode,
2267 IW_IOCTL(SIOCGIWMODE) = (iw_handler) cfg80211_wext_giwmode,
2268 IW_IOCTL(SIOCGIWRANGE) = (iw_handler) cfg80211_wext_giwrange,
2269 IW_IOCTL(SIOCSIWAP) = rndis_iw_set_bssid,
2270 IW_IOCTL(SIOCGIWAP) = rndis_iw_get_bssid,
2271 IW_IOCTL(SIOCSIWSCAN) = (iw_handler) cfg80211_wext_siwscan,
2272 IW_IOCTL(SIOCGIWSCAN) = (iw_handler) cfg80211_wext_giwscan,
2273 IW_IOCTL(SIOCSIWESSID) = rndis_iw_set_essid,
2274 IW_IOCTL(SIOCGIWESSID) = rndis_iw_get_essid,
2275 IW_IOCTL(SIOCGIWRATE) = rndis_iw_get_rate,
2276 IW_IOCTL(SIOCSIWRTS) = (iw_handler) cfg80211_wext_siwrts,
2277 IW_IOCTL(SIOCGIWRTS) = (iw_handler) cfg80211_wext_giwrts,
2278 IW_IOCTL(SIOCSIWFRAG) = (iw_handler) cfg80211_wext_siwfrag,
2279 IW_IOCTL(SIOCGIWFRAG) = (iw_handler) cfg80211_wext_giwfrag,
2280 IW_IOCTL(SIOCSIWTXPOW) = (iw_handler) cfg80211_wext_siwtxpower,
2281 IW_IOCTL(SIOCGIWTXPOW) = (iw_handler) cfg80211_wext_giwtxpower,
2282 IW_IOCTL(SIOCSIWENCODE) = rndis_iw_set_encode,
2283 IW_IOCTL(SIOCSIWENCODEEXT) = rndis_iw_set_encode_ext,
2284 IW_IOCTL(SIOCSIWAUTH) = rndis_iw_set_auth,
2285 IW_IOCTL(SIOCGIWAUTH) = rndis_iw_get_auth,
2286 IW_IOCTL(SIOCSIWGENIE) = rndis_iw_set_genie,
2287 IW_IOCTL(SIOCGIWGENIE) = rndis_iw_get_genie,
2288 IW_IOCTL(SIOCSIWMLME) = rndis_iw_set_mlme,
2291 static const iw_handler rndis_wlan_private_handler[] = {
2294 static const struct iw_priv_args rndis_wlan_private_args[] = {
2298 static const struct iw_handler_def rndis_iw_handlers = {
2299 .num_standard = ARRAY_SIZE(rndis_iw_handler),
2300 .num_private = ARRAY_SIZE(rndis_wlan_private_handler),
2301 .num_private_args = ARRAY_SIZE(rndis_wlan_private_args),
2302 .standard = (iw_handler *)rndis_iw_handler,
2303 .private = (iw_handler *)rndis_wlan_private_handler,
2304 .private_args = (struct iw_priv_args *)rndis_wlan_private_args,
2305 .get_wireless_stats = rndis_get_wireless_stats,
2309 static void rndis_wlan_worker(struct work_struct *work)
2311 struct rndis_wlan_private *priv =
2312 container_of(work, struct rndis_wlan_private, work);
2313 struct usbnet *usbdev = priv->usbdev;
2314 union iwreq_data evt;
2315 unsigned char bssid[ETH_ALEN];
2316 struct ndis_80211_assoc_info *info;
2317 int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32;
2320 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending)) {
2321 netif_carrier_on(usbdev->net);
2323 info = kzalloc(assoc_size, GFP_KERNEL);
2327 /* Get association info IEs from device and send them back to
2329 ret = get_association_info(usbdev, info, assoc_size);
2331 evt.data.length = le32_to_cpu(info->req_ie_length);
2332 if (evt.data.length > 0) {
2333 offset = le32_to_cpu(info->offset_req_ies);
2334 wireless_send_event(usbdev->net,
2335 IWEVASSOCREQIE, &evt,
2336 (char *)info + offset);
2339 evt.data.length = le32_to_cpu(info->resp_ie_length);
2340 if (evt.data.length > 0) {
2341 offset = le32_to_cpu(info->offset_resp_ies);
2342 wireless_send_event(usbdev->net,
2343 IWEVASSOCRESPIE, &evt,
2344 (char *)info + offset);
2351 ret = get_bssid(usbdev, bssid);
2354 evt.data.length = 0;
2355 memcpy(evt.ap_addr.sa_data, bssid, ETH_ALEN);
2356 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2359 usbnet_resume_rx(usbdev);
2362 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending)) {
2363 netif_carrier_off(usbdev->net);
2366 evt.data.length = 0;
2367 memset(evt.ap_addr.sa_data, 0, ETH_ALEN);
2368 wireless_send_event(usbdev->net, SIOCGIWAP, &evt, NULL);
2371 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2372 set_multicast_list(usbdev);
2375 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2377 struct usbnet *usbdev = netdev_priv(dev);
2378 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2380 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2383 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2384 queue_work(priv->workqueue, &priv->work);
2388 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2389 struct ndis_80211_status_indication *indication,
2395 bool pairwise_error, group_error;
2396 struct ndis_80211_auth_request *auth_req;
2398 /* must have at least one array entry */
2399 if (len < offsetof(struct ndis_80211_status_indication, u) +
2400 sizeof(struct ndis_80211_auth_request)) {
2401 devinfo(usbdev, "authentication indication: "
2402 "too short message (%i)", len);
2406 buf = (void *)&indication->u.auth_request[0];
2407 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2409 while (buflen >= sizeof(*auth_req)) {
2410 auth_req = (void *)buf;
2412 flags = le32_to_cpu(auth_req->flags);
2413 pairwise_error = false;
2414 group_error = false;
2417 type = "reauth request";
2419 type = "key update request";
2421 pairwise_error = true;
2422 type = "pairwise_error";
2426 type = "group_error";
2429 devinfo(usbdev, "authentication indication: %s (0x%08x)", type,
2430 le32_to_cpu(auth_req->flags));
2432 if (pairwise_error || group_error) {
2433 union iwreq_data wrqu;
2434 struct iw_michaelmicfailure micfailure;
2436 memset(&micfailure, 0, sizeof(micfailure));
2438 micfailure.flags |= IW_MICFAILURE_PAIRWISE;
2440 micfailure.flags |= IW_MICFAILURE_GROUP;
2442 memcpy(micfailure.src_addr.sa_data, auth_req->bssid,
2445 memset(&wrqu, 0, sizeof(wrqu));
2446 wrqu.data.length = sizeof(micfailure);
2447 wireless_send_event(usbdev->net, IWEVMICHAELMICFAILURE,
2448 &wrqu, (u8 *)&micfailure);
2451 buflen -= le32_to_cpu(auth_req->length);
2452 buf += le32_to_cpu(auth_req->length);
2456 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2457 struct ndis_80211_status_indication *indication,
2460 struct ndis_80211_pmkid_cand_list *cand_list;
2461 int list_len, expected_len, i;
2463 if (len < offsetof(struct ndis_80211_status_indication, u) +
2464 sizeof(struct ndis_80211_pmkid_cand_list)) {
2465 devinfo(usbdev, "pmkid candidate list indication: "
2466 "too short message (%i)", len);
2470 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2471 sizeof(struct ndis_80211_pmkid_candidate);
2472 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2473 offsetof(struct ndis_80211_status_indication, u);
2475 if (len < expected_len) {
2476 devinfo(usbdev, "pmkid candidate list indication: "
2477 "list larger than buffer (%i < %i)",
2482 cand_list = &indication->u.cand_list;
2484 devinfo(usbdev, "pmkid candidate list indication: "
2485 "version %i, candidates %i",
2486 le32_to_cpu(cand_list->version),
2487 le32_to_cpu(cand_list->num_candidates));
2489 if (le32_to_cpu(cand_list->version) != 1)
2492 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
2493 struct iw_pmkid_cand pcand;
2494 union iwreq_data wrqu;
2495 struct ndis_80211_pmkid_candidate *cand =
2496 &cand_list->candidate_list[i];
2498 devdbg(usbdev, "cand[%i]: flags: 0x%08x, bssid: %pM",
2499 i, le32_to_cpu(cand->flags), cand->bssid);
2501 memset(&pcand, 0, sizeof(pcand));
2502 if (le32_to_cpu(cand->flags) & 0x01)
2503 pcand.flags |= IW_PMKID_CAND_PREAUTH;
2505 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
2507 memset(&wrqu, 0, sizeof(wrqu));
2508 wrqu.data.length = sizeof(pcand);
2509 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
2514 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
2515 struct rndis_indicate *msg, int buflen)
2517 struct ndis_80211_status_indication *indication;
2520 offset = offsetof(struct rndis_indicate, status) +
2521 le32_to_cpu(msg->offset);
2522 len = le32_to_cpu(msg->length);
2525 devinfo(usbdev, "media specific indication, "
2526 "ignore too short message (%i < 8)", len);
2530 if (offset + len > buflen) {
2531 devinfo(usbdev, "media specific indication, "
2532 "too large to fit to buffer (%i > %i)",
2533 offset + len, buflen);
2537 indication = (void *)((u8 *)msg + offset);
2539 switch (le32_to_cpu(indication->status_type)) {
2540 case NDIS_80211_STATUSTYPE_RADIOSTATE:
2541 devinfo(usbdev, "radio state indication: %i",
2542 le32_to_cpu(indication->u.radio_status));
2545 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
2546 devinfo(usbdev, "media stream mode indication: %i",
2547 le32_to_cpu(indication->u.media_stream_mode));
2550 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
2551 rndis_wlan_auth_indication(usbdev, indication, len);
2554 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
2555 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
2559 devinfo(usbdev, "media specific indication: "
2560 "unknown status type 0x%08x",
2561 le32_to_cpu(indication->status_type));
2566 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
2568 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2569 struct rndis_indicate *msg = ind;
2571 switch (msg->status) {
2572 case RNDIS_STATUS_MEDIA_CONNECT:
2573 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
2574 /* OID_802_11_ADD_KEY causes sometimes extra
2575 * "media connect" indications which confuses driver
2576 * and userspace to think that device is
2577 * roaming/reassociating when it isn't.
2579 devdbg(usbdev, "ignored OID_802_11_ADD_KEY triggered "
2584 usbnet_pause_rx(usbdev);
2586 devinfo(usbdev, "media connect");
2588 /* queue work to avoid recursive calls into rndis_command */
2589 set_bit(WORK_LINK_UP, &priv->work_pending);
2590 queue_work(priv->workqueue, &priv->work);
2593 case RNDIS_STATUS_MEDIA_DISCONNECT:
2594 devinfo(usbdev, "media disconnect");
2596 /* queue work to avoid recursive calls into rndis_command */
2597 set_bit(WORK_LINK_DOWN, &priv->work_pending);
2598 queue_work(priv->workqueue, &priv->work);
2601 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
2602 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
2606 devinfo(usbdev, "indication: 0x%08x",
2607 le32_to_cpu(msg->status));
2613 static int rndis_wlan_get_caps(struct usbnet *usbdev)
2618 } networks_supported;
2619 int len, retval, i, n;
2620 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2622 /* determine supported modes */
2623 len = sizeof(networks_supported);
2624 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
2625 &networks_supported, &len);
2627 n = le32_to_cpu(networks_supported.num_items);
2630 for (i = 0; i < n; i++) {
2631 switch (le32_to_cpu(networks_supported.items[i])) {
2632 case NDIS_80211_TYPE_FREQ_HOP:
2633 case NDIS_80211_TYPE_DIRECT_SEQ:
2634 priv->caps |= CAP_MODE_80211B;
2636 case NDIS_80211_TYPE_OFDM_A:
2637 priv->caps |= CAP_MODE_80211A;
2639 case NDIS_80211_TYPE_OFDM_G:
2640 priv->caps |= CAP_MODE_80211G;
2650 #define STATS_UPDATE_JIFFIES (HZ)
2651 static void rndis_update_wireless_stats(struct work_struct *work)
2653 struct rndis_wlan_private *priv =
2654 container_of(work, struct rndis_wlan_private, stats_work.work);
2655 struct usbnet *usbdev = priv->usbdev;
2656 struct iw_statistics iwstats;
2659 unsigned long flags;
2660 int update_jiffies = STATS_UPDATE_JIFFIES;
2663 spin_lock_irqsave(&priv->stats_lock, flags);
2664 memcpy(&iwstats, &priv->privstats, sizeof(iwstats));
2665 spin_unlock_irqrestore(&priv->stats_lock, flags);
2667 /* only update stats when connected */
2668 if (!is_associated(usbdev)) {
2669 iwstats.qual.qual = 0;
2670 iwstats.qual.level = 0;
2671 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2672 | IW_QUAL_LEVEL_UPDATED
2673 | IW_QUAL_NOISE_INVALID
2674 | IW_QUAL_QUAL_INVALID
2675 | IW_QUAL_LEVEL_INVALID;
2680 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2682 devdbg(usbdev, "stats: OID_802_11_RSSI -> %d, rssi:%d", ret,
2685 memset(&iwstats.qual, 0, sizeof(iwstats.qual));
2686 iwstats.qual.qual = level_to_qual(le32_to_cpu(rssi));
2687 iwstats.qual.level = level_to_qual(le32_to_cpu(rssi));
2688 iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2689 | IW_QUAL_LEVEL_UPDATED
2690 | IW_QUAL_NOISE_INVALID;
2693 memset(&iwstats.discard, 0, sizeof(iwstats.discard));
2696 ret = rndis_query_oid(usbdev, OID_GEN_XMIT_ERROR, &tmp, &len);
2698 iwstats.discard.misc += le32_to_cpu(tmp);
2701 ret = rndis_query_oid(usbdev, OID_GEN_RCV_ERROR, &tmp, &len);
2703 iwstats.discard.misc += le32_to_cpu(tmp);
2706 ret = rndis_query_oid(usbdev, OID_GEN_RCV_NO_BUFFER, &tmp, &len);
2708 iwstats.discard.misc += le32_to_cpu(tmp);
2710 /* Workaround transfer stalls on poor quality links.
2711 * TODO: find right way to fix these stalls (as stalls do not happen
2712 * with ndiswrapper/windows driver). */
2713 if (iwstats.qual.qual <= 25) {
2714 /* Decrease stats worker interval to catch stalls.
2715 * faster. Faster than 400-500ms causes packet loss,
2716 * Slower doesn't catch stalls fast enough.
2718 j = msecs_to_jiffies(priv->param_workaround_interval);
2719 if (j > STATS_UPDATE_JIFFIES)
2720 j = STATS_UPDATE_JIFFIES;
2725 /* Send scan OID. Use of both OIDs is required to get device
2728 tmp = cpu_to_le32(1);
2729 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
2732 len = CONTROL_BUFFER_SIZE;
2733 buf = kmalloc(len, GFP_KERNEL);
2737 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
2741 spin_lock_irqsave(&priv->stats_lock, flags);
2742 memcpy(&priv->privstats, &iwstats, sizeof(iwstats));
2743 spin_unlock_irqrestore(&priv->stats_lock, flags);
2745 if (update_jiffies >= HZ)
2746 update_jiffies = round_jiffies_relative(update_jiffies);
2748 j = round_jiffies_relative(update_jiffies);
2749 if (abs(j - update_jiffies) <= 10)
2753 queue_delayed_work(priv->workqueue, &priv->stats_work, update_jiffies);
2757 static int bcm4320a_early_init(struct usbnet *usbdev)
2759 /* bcm4320a doesn't handle configuration parameters well. Try
2760 * set any and you get partially zeroed mac and broken device.
2767 static int bcm4320b_early_init(struct usbnet *usbdev)
2769 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2772 /* Early initialization settings, setting these won't have effect
2773 * if called after generic_rndis_bind().
2776 priv->param_country[0] = modparam_country[0];
2777 priv->param_country[1] = modparam_country[1];
2778 priv->param_country[2] = 0;
2779 priv->param_frameburst = modparam_frameburst;
2780 priv->param_afterburner = modparam_afterburner;
2781 priv->param_power_save = modparam_power_save;
2782 priv->param_power_output = modparam_power_output;
2783 priv->param_roamtrigger = modparam_roamtrigger;
2784 priv->param_roamdelta = modparam_roamdelta;
2786 priv->param_country[0] = toupper(priv->param_country[0]);
2787 priv->param_country[1] = toupper(priv->param_country[1]);
2788 /* doesn't support EU as country code, use FI instead */
2789 if (!strcmp(priv->param_country, "EU"))
2790 strcpy(priv->param_country, "FI");
2792 if (priv->param_power_save < 0)
2793 priv->param_power_save = 0;
2794 else if (priv->param_power_save > 2)
2795 priv->param_power_save = 2;
2797 if (priv->param_power_output < 0)
2798 priv->param_power_output = 0;
2799 else if (priv->param_power_output > 3)
2800 priv->param_power_output = 3;
2802 if (priv->param_roamtrigger < -80)
2803 priv->param_roamtrigger = -80;
2804 else if (priv->param_roamtrigger > -60)
2805 priv->param_roamtrigger = -60;
2807 if (priv->param_roamdelta < 0)
2808 priv->param_roamdelta = 0;
2809 else if (priv->param_roamdelta > 2)
2810 priv->param_roamdelta = 2;
2812 if (modparam_workaround_interval < 0)
2813 priv->param_workaround_interval = 500;
2815 priv->param_workaround_interval = modparam_workaround_interval;
2817 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
2818 rndis_set_config_parameter_str(usbdev, "FrameBursting",
2819 priv->param_frameburst ? "1" : "0");
2820 rndis_set_config_parameter_str(usbdev, "Afterburner",
2821 priv->param_afterburner ? "1" : "0");
2822 sprintf(buf, "%d", priv->param_power_save);
2823 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
2824 sprintf(buf, "%d", priv->param_power_output);
2825 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
2826 sprintf(buf, "%d", priv->param_roamtrigger);
2827 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
2828 sprintf(buf, "%d", priv->param_roamdelta);
2829 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
2834 /* same as rndis_netdev_ops but with local multicast handler */
2835 static const struct net_device_ops rndis_wlan_netdev_ops = {
2836 .ndo_open = usbnet_open,
2837 .ndo_stop = usbnet_stop,
2838 .ndo_start_xmit = usbnet_start_xmit,
2839 .ndo_tx_timeout = usbnet_tx_timeout,
2840 .ndo_set_mac_address = eth_mac_addr,
2841 .ndo_validate_addr = eth_validate_addr,
2842 .ndo_set_multicast_list = rndis_wlan_set_multicast_list,
2846 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
2848 struct wiphy *wiphy;
2849 struct rndis_wlan_private *priv;
2853 /* allocate wiphy and rndis private data
2854 * NOTE: We only support a single virtual interface, so wiphy
2855 * and wireless_dev are somewhat synonymous for this device.
2857 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
2861 priv = wiphy_priv(wiphy);
2862 usbdev->net->ieee80211_ptr = &priv->wdev;
2863 priv->wdev.wiphy = wiphy;
2864 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2866 /* These have to be initialized before calling generic_rndis_bind().
2867 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
2869 usbdev->driver_priv = priv;
2870 usbdev->net->wireless_handlers = &rndis_iw_handlers;
2871 priv->usbdev = usbdev;
2873 mutex_init(&priv->command_lock);
2874 spin_lock_init(&priv->stats_lock);
2876 /* because rndis_command() sleeps we need to use workqueue */
2877 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
2878 INIT_WORK(&priv->work, rndis_wlan_worker);
2879 INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
2880 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
2882 /* try bind rndis_host */
2883 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
2887 /* generic_rndis_bind set packet filter to multicast_all+
2888 * promisc mode which doesn't work well for our devices (device
2889 * picks up rssi to closest station instead of to access point).
2891 * rndis_host wants to avoid all OID as much as possible
2892 * so do promisc/multicast handling in rndis_wlan.
2894 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
2896 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
2897 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
2901 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
2903 priv->multicast_size = le32_to_cpu(tmp);
2904 if (retval < 0 || priv->multicast_size < 0)
2905 priv->multicast_size = 0;
2906 if (priv->multicast_size > 0)
2907 usbdev->net->flags |= IFF_MULTICAST;
2909 usbdev->net->flags &= ~IFF_MULTICAST;
2911 priv->iwstats.qual.qual = 0;
2912 priv->iwstats.qual.level = 0;
2913 priv->iwstats.qual.updated = IW_QUAL_QUAL_UPDATED
2914 | IW_QUAL_LEVEL_UPDATED
2915 | IW_QUAL_NOISE_INVALID
2916 | IW_QUAL_QUAL_INVALID
2917 | IW_QUAL_LEVEL_INVALID;
2919 /* fill-out wiphy structure and register w/ cfg80211 */
2920 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
2921 wiphy->privid = rndis_wiphy_privid;
2922 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2923 | BIT(NL80211_IFTYPE_ADHOC);
2924 wiphy->max_scan_ssids = 1;
2926 /* TODO: fill-out band/encr information based on priv->caps */
2927 rndis_wlan_get_caps(usbdev);
2929 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
2930 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
2931 priv->band.channels = priv->channels;
2932 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
2933 priv->band.bitrates = priv->rates;
2934 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
2935 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
2936 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
2938 memcpy(priv->cipher_suites, rndis_cipher_suites,
2939 sizeof(rndis_cipher_suites));
2940 wiphy->cipher_suites = priv->cipher_suites;
2941 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
2943 set_wiphy_dev(wiphy, &usbdev->udev->dev);
2945 if (wiphy_register(wiphy)) {
2950 set_default_iw_params(usbdev);
2952 /* set default rts/frag */
2953 rndis_set_wiphy_params(wiphy,
2954 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
2958 disassociate(usbdev, 1);
2959 netif_carrier_off(usbdev->net);
2964 cancel_delayed_work_sync(&priv->stats_work);
2965 cancel_delayed_work_sync(&priv->scan_work);
2966 cancel_work_sync(&priv->work);
2967 flush_workqueue(priv->workqueue);
2968 destroy_workqueue(priv->workqueue);
2975 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
2977 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2979 /* turn radio off */
2980 disassociate(usbdev, 0);
2982 cancel_delayed_work_sync(&priv->stats_work);
2983 cancel_delayed_work_sync(&priv->scan_work);
2984 cancel_work_sync(&priv->work);
2985 flush_workqueue(priv->workqueue);
2986 destroy_workqueue(priv->workqueue);
2988 if (priv && priv->wpa_ie_len)
2989 kfree(priv->wpa_ie);
2991 rndis_unbind(usbdev, intf);
2993 wiphy_unregister(priv->wdev.wiphy);
2994 wiphy_free(priv->wdev.wiphy);
2998 static int rndis_wlan_reset(struct usbnet *usbdev)
3000 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3003 devdbg(usbdev, "rndis_wlan_reset");
3005 retval = rndis_reset(usbdev);
3007 devwarn(usbdev, "rndis_reset() failed: %d", retval);
3009 /* rndis_reset cleared multicast list, so restore here.
3010 (set_multicast_list() also turns on current packet filter) */
3011 set_multicast_list(usbdev);
3013 queue_delayed_work(priv->workqueue, &priv->stats_work,
3014 round_jiffies_relative(STATS_UPDATE_JIFFIES));
3016 return deauthenticate(usbdev);
3020 static int rndis_wlan_stop(struct usbnet *usbdev)
3022 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3026 devdbg(usbdev, "rndis_wlan_stop");
3028 retval = disassociate(usbdev, 0);
3030 priv->work_pending = 0;
3031 cancel_delayed_work_sync(&priv->stats_work);
3032 cancel_delayed_work_sync(&priv->scan_work);
3033 cancel_work_sync(&priv->work);
3034 flush_workqueue(priv->workqueue);
3036 if (priv->scan_request) {
3037 cfg80211_scan_done(priv->scan_request, true);
3038 priv->scan_request = NULL;
3041 /* Set current packet filter zero to block receiving data packets from
3044 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3051 static const struct driver_info bcm4320b_info = {
3052 .description = "Wireless RNDIS device, BCM4320b based",
3053 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3054 FLAG_AVOID_UNLINK_URBS,
3055 .bind = rndis_wlan_bind,
3056 .unbind = rndis_wlan_unbind,
3057 .status = rndis_status,
3058 .rx_fixup = rndis_rx_fixup,
3059 .tx_fixup = rndis_tx_fixup,
3060 .reset = rndis_wlan_reset,
3061 .stop = rndis_wlan_stop,
3062 .early_init = bcm4320b_early_init,
3063 .indication = rndis_wlan_indication,
3066 static const struct driver_info bcm4320a_info = {
3067 .description = "Wireless RNDIS device, BCM4320a based",
3068 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3069 FLAG_AVOID_UNLINK_URBS,
3070 .bind = rndis_wlan_bind,
3071 .unbind = rndis_wlan_unbind,
3072 .status = rndis_status,
3073 .rx_fixup = rndis_rx_fixup,
3074 .tx_fixup = rndis_tx_fixup,
3075 .reset = rndis_wlan_reset,
3076 .stop = rndis_wlan_stop,
3077 .early_init = bcm4320a_early_init,
3078 .indication = rndis_wlan_indication,
3081 static const struct driver_info rndis_wlan_info = {
3082 .description = "Wireless RNDIS device",
3083 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3084 FLAG_AVOID_UNLINK_URBS,
3085 .bind = rndis_wlan_bind,
3086 .unbind = rndis_wlan_unbind,
3087 .status = rndis_status,
3088 .rx_fixup = rndis_rx_fixup,
3089 .tx_fixup = rndis_tx_fixup,
3090 .reset = rndis_wlan_reset,
3091 .stop = rndis_wlan_stop,
3092 .early_init = bcm4320a_early_init,
3093 .indication = rndis_wlan_indication,
3096 /*-------------------------------------------------------------------------*/
3098 static const struct usb_device_id products [] = {
3099 #define RNDIS_MASTER_INTERFACE \
3100 .bInterfaceClass = USB_CLASS_COMM, \
3101 .bInterfaceSubClass = 2 /* ACM */, \
3102 .bInterfaceProtocol = 0x0ff
3104 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3105 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3108 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3109 | USB_DEVICE_ID_MATCH_DEVICE,
3111 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3112 RNDIS_MASTER_INTERFACE,
3113 .driver_info = (unsigned long) &bcm4320b_info,
3115 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3116 | USB_DEVICE_ID_MATCH_DEVICE,
3118 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3119 RNDIS_MASTER_INTERFACE,
3120 .driver_info = (unsigned long) &bcm4320b_info,
3122 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3123 | USB_DEVICE_ID_MATCH_DEVICE,
3125 .idProduct = 0x011b, /* Belkin F5D7051 */
3126 RNDIS_MASTER_INTERFACE,
3127 .driver_info = (unsigned long) &bcm4320b_info,
3129 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3130 | USB_DEVICE_ID_MATCH_DEVICE,
3131 .idVendor = 0x1799, /* Belkin has two vendor ids */
3132 .idProduct = 0x011b, /* Belkin F5D7051 */
3133 RNDIS_MASTER_INTERFACE,
3134 .driver_info = (unsigned long) &bcm4320b_info,
3136 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3137 | USB_DEVICE_ID_MATCH_DEVICE,
3139 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3140 RNDIS_MASTER_INTERFACE,
3141 .driver_info = (unsigned long) &bcm4320b_info,
3143 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3144 | USB_DEVICE_ID_MATCH_DEVICE,
3146 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3147 RNDIS_MASTER_INTERFACE,
3148 .driver_info = (unsigned long) &bcm4320b_info,
3150 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3151 | USB_DEVICE_ID_MATCH_DEVICE,
3153 .idProduct = 0x1717, /* Asus WL169gE */
3154 RNDIS_MASTER_INTERFACE,
3155 .driver_info = (unsigned long) &bcm4320b_info,
3157 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3158 | USB_DEVICE_ID_MATCH_DEVICE,
3160 .idProduct = 0xd11b, /* Eminent EM4045 */
3161 RNDIS_MASTER_INTERFACE,
3162 .driver_info = (unsigned long) &bcm4320b_info,
3164 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3165 | USB_DEVICE_ID_MATCH_DEVICE,
3167 .idProduct = 0x0715, /* BT Voyager 1055 */
3168 RNDIS_MASTER_INTERFACE,
3169 .driver_info = (unsigned long) &bcm4320b_info,
3171 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3172 * parameters available, hardware probably contain older firmware version with
3173 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3176 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3177 | USB_DEVICE_ID_MATCH_DEVICE,
3179 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3180 RNDIS_MASTER_INTERFACE,
3181 .driver_info = (unsigned long) &bcm4320a_info,
3183 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3184 | USB_DEVICE_ID_MATCH_DEVICE,
3186 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3187 RNDIS_MASTER_INTERFACE,
3188 .driver_info = (unsigned long) &bcm4320a_info,
3190 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3191 | USB_DEVICE_ID_MATCH_DEVICE,
3193 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3194 RNDIS_MASTER_INTERFACE,
3195 .driver_info = (unsigned long) &bcm4320a_info,
3197 /* Generic Wireless RNDIS devices that we don't have exact
3198 * idVendor/idProduct/chip yet.
3201 /* RNDIS is MSFT's un-official variant of CDC ACM */
3202 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3203 .driver_info = (unsigned long) &rndis_wlan_info,
3205 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3206 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3207 .driver_info = (unsigned long) &rndis_wlan_info,
3211 MODULE_DEVICE_TABLE(usb, products);
3213 static struct usb_driver rndis_wlan_driver = {
3214 .name = "rndis_wlan",
3215 .id_table = products,
3216 .probe = usbnet_probe,
3217 .disconnect = usbnet_disconnect,
3218 .suspend = usbnet_suspend,
3219 .resume = usbnet_resume,
3222 static int __init rndis_wlan_init(void)
3224 return usb_register(&rndis_wlan_driver);
3226 module_init(rndis_wlan_init);
3228 static void __exit rndis_wlan_exit(void)
3230 usb_deregister(&rndis_wlan_driver);
3232 module_exit(rndis_wlan_exit);
3234 MODULE_AUTHOR("Bjorge Dijkstra");
3235 MODULE_AUTHOR("Jussi Kivilinna");
3236 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3237 MODULE_LICENSE("GPL");