2 * Driver for RNDIS based wireless USB devices.
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * Portions of this file are based on NDISwrapper project,
22 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
23 * http://ndiswrapper.sourceforge.net/
26 // #define DEBUG // error path messages, extra info
27 // #define VERBOSE // more; success messages
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/workqueue.h>
35 #include <linux/mutex.h>
36 #include <linux/mii.h>
37 #include <linux/usb.h>
38 #include <linux/usb/cdc.h>
39 #include <linux/ieee80211.h>
40 #include <linux/if_arp.h>
41 #include <linux/ctype.h>
42 #include <linux/spinlock.h>
43 #include <linux/slab.h>
44 #include <net/cfg80211.h>
45 #include <linux/usb/usbnet.h>
46 #include <linux/usb/rndis_host.h>
49 /* NOTE: All these are settings for Broadcom chipset */
50 static char modparam_country[4] = "EU";
51 module_param_string(country, modparam_country, 4, 0444);
52 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
54 static int modparam_frameburst = 1;
55 module_param_named(frameburst, modparam_frameburst, int, 0444);
56 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
58 static int modparam_afterburner = 0;
59 module_param_named(afterburner, modparam_afterburner, int, 0444);
60 MODULE_PARM_DESC(afterburner,
61 "enable afterburner aka '125 High Speed Mode' (default: off)");
63 static int modparam_power_save = 0;
64 module_param_named(power_save, modparam_power_save, int, 0444);
65 MODULE_PARM_DESC(power_save,
66 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
68 static int modparam_power_output = 3;
69 module_param_named(power_output, modparam_power_output, int, 0444);
70 MODULE_PARM_DESC(power_output,
71 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
73 static int modparam_roamtrigger = -70;
74 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
75 MODULE_PARM_DESC(roamtrigger,
76 "set roaming dBm trigger: -80=optimize for distance, "
77 "-60=bandwidth (default: -70)");
79 static int modparam_roamdelta = 1;
80 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
81 MODULE_PARM_DESC(roamdelta,
82 "set roaming tendency: 0=aggressive, 1=moderate, "
83 "2=conservative (default: moderate)");
85 static int modparam_workaround_interval;
86 module_param_named(workaround_interval, modparam_workaround_interval,
88 MODULE_PARM_DESC(workaround_interval,
89 "set stall workaround interval in msecs (0=disabled) (default: 0)");
92 /* various RNDIS OID defs */
93 #define OID_GEN_LINK_SPEED cpu_to_le32(0x00010107)
94 #define OID_GEN_RNDIS_CONFIG_PARAMETER cpu_to_le32(0x0001021b)
96 #define OID_GEN_XMIT_OK cpu_to_le32(0x00020101)
97 #define OID_GEN_RCV_OK cpu_to_le32(0x00020102)
98 #define OID_GEN_XMIT_ERROR cpu_to_le32(0x00020103)
99 #define OID_GEN_RCV_ERROR cpu_to_le32(0x00020104)
100 #define OID_GEN_RCV_NO_BUFFER cpu_to_le32(0x00020105)
102 #define OID_802_3_CURRENT_ADDRESS cpu_to_le32(0x01010102)
103 #define OID_802_3_MULTICAST_LIST cpu_to_le32(0x01010103)
104 #define OID_802_3_MAXIMUM_LIST_SIZE cpu_to_le32(0x01010104)
106 #define OID_802_11_BSSID cpu_to_le32(0x0d010101)
107 #define OID_802_11_SSID cpu_to_le32(0x0d010102)
108 #define OID_802_11_INFRASTRUCTURE_MODE cpu_to_le32(0x0d010108)
109 #define OID_802_11_ADD_WEP cpu_to_le32(0x0d010113)
110 #define OID_802_11_REMOVE_WEP cpu_to_le32(0x0d010114)
111 #define OID_802_11_DISASSOCIATE cpu_to_le32(0x0d010115)
112 #define OID_802_11_AUTHENTICATION_MODE cpu_to_le32(0x0d010118)
113 #define OID_802_11_PRIVACY_FILTER cpu_to_le32(0x0d010119)
114 #define OID_802_11_BSSID_LIST_SCAN cpu_to_le32(0x0d01011a)
115 #define OID_802_11_ENCRYPTION_STATUS cpu_to_le32(0x0d01011b)
116 #define OID_802_11_ADD_KEY cpu_to_le32(0x0d01011d)
117 #define OID_802_11_REMOVE_KEY cpu_to_le32(0x0d01011e)
118 #define OID_802_11_ASSOCIATION_INFORMATION cpu_to_le32(0x0d01011f)
119 #define OID_802_11_CAPABILITY cpu_to_le32(0x0d010122)
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_POWER_MODE cpu_to_le32(0x0d010216)
131 #define OID_802_11_BSSID_LIST cpu_to_le32(0x0d010217)
134 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
135 #define WL_NOISE -96 /* typical noise level in dBm */
136 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
139 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
140 * based on wireless rndis) has default txpower of 13dBm.
141 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
142 * 100% : 20 mW ~ 13dBm
143 * 75% : 15 mW ~ 12dBm
144 * 50% : 10 mW ~ 10dBm
147 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
148 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
149 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
150 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
153 /* codes for "status" field of completion messages */
154 #define RNDIS_STATUS_ADAPTER_NOT_READY cpu_to_le32(0xc0010011)
155 #define RNDIS_STATUS_ADAPTER_NOT_OPEN cpu_to_le32(0xc0010012)
158 /* Known device types */
159 #define RNDIS_UNKNOWN 0
160 #define RNDIS_BCM4320A 1
161 #define RNDIS_BCM4320B 2
164 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
165 * slightly modified for datatype endianess, etc
167 #define NDIS_802_11_LENGTH_SSID 32
168 #define NDIS_802_11_LENGTH_RATES 8
169 #define NDIS_802_11_LENGTH_RATES_EX 16
171 enum ndis_80211_net_type {
172 NDIS_80211_TYPE_FREQ_HOP,
173 NDIS_80211_TYPE_DIRECT_SEQ,
174 NDIS_80211_TYPE_OFDM_A,
175 NDIS_80211_TYPE_OFDM_G
178 enum ndis_80211_net_infra {
179 NDIS_80211_INFRA_ADHOC,
180 NDIS_80211_INFRA_INFRA,
181 NDIS_80211_INFRA_AUTO_UNKNOWN
184 enum ndis_80211_auth_mode {
185 NDIS_80211_AUTH_OPEN,
186 NDIS_80211_AUTH_SHARED,
187 NDIS_80211_AUTH_AUTO_SWITCH,
189 NDIS_80211_AUTH_WPA_PSK,
190 NDIS_80211_AUTH_WPA_NONE,
191 NDIS_80211_AUTH_WPA2,
192 NDIS_80211_AUTH_WPA2_PSK
195 enum ndis_80211_encr_status {
196 NDIS_80211_ENCR_WEP_ENABLED,
197 NDIS_80211_ENCR_DISABLED,
198 NDIS_80211_ENCR_WEP_KEY_ABSENT,
199 NDIS_80211_ENCR_NOT_SUPPORTED,
200 NDIS_80211_ENCR_TKIP_ENABLED,
201 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
202 NDIS_80211_ENCR_CCMP_ENABLED,
203 NDIS_80211_ENCR_CCMP_KEY_ABSENT
206 enum ndis_80211_priv_filter {
207 NDIS_80211_PRIV_ACCEPT_ALL,
208 NDIS_80211_PRIV_8021X_WEP
211 enum ndis_80211_status_type {
212 NDIS_80211_STATUSTYPE_AUTHENTICATION,
213 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
214 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
215 NDIS_80211_STATUSTYPE_RADIOSTATE,
218 enum ndis_80211_media_stream_mode {
219 NDIS_80211_MEDIA_STREAM_OFF,
220 NDIS_80211_MEDIA_STREAM_ON
223 enum ndis_80211_radio_status {
224 NDIS_80211_RADIO_STATUS_ON,
225 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
226 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
229 enum ndis_80211_addkey_bits {
230 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
231 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
232 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
233 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
236 enum ndis_80211_addwep_bits {
237 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
238 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
241 enum ndis_80211_power_mode {
242 NDIS_80211_POWER_MODE_CAM,
243 NDIS_80211_POWER_MODE_MAX_PSP,
244 NDIS_80211_POWER_MODE_FAST_PSP,
247 struct ndis_80211_auth_request {
254 struct ndis_80211_pmkid_candidate {
260 struct ndis_80211_pmkid_cand_list {
262 __le32 num_candidates;
263 struct ndis_80211_pmkid_candidate candidate_list[0];
266 struct ndis_80211_status_indication {
269 __le32 media_stream_mode;
271 struct ndis_80211_auth_request auth_request[0];
272 struct ndis_80211_pmkid_cand_list cand_list;
276 struct ndis_80211_ssid {
278 u8 essid[NDIS_802_11_LENGTH_SSID];
281 struct ndis_80211_conf_freq_hop {
288 struct ndis_80211_conf {
290 __le32 beacon_period;
293 struct ndis_80211_conf_freq_hop fh_config;
296 struct ndis_80211_bssid_ex {
300 struct ndis_80211_ssid ssid;
304 struct ndis_80211_conf config;
306 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
311 struct ndis_80211_bssid_list_ex {
313 struct ndis_80211_bssid_ex bssid[0];
316 struct ndis_80211_fixed_ies {
318 __le16 beacon_interval;
322 struct ndis_80211_wep_key {
329 struct ndis_80211_key {
339 struct ndis_80211_remove_key {
346 struct ndis_config_param {
354 struct ndis_80211_assoc_info {
359 __le16 listen_interval;
360 u8 cur_ap_address[6];
362 __le32 req_ie_length;
363 __le32 offset_req_ies;
370 __le32 resp_ie_length;
371 __le32 offset_resp_ies;
374 struct ndis_80211_auth_encr_pair {
379 struct ndis_80211_capability {
383 __le32 num_auth_encr_pair;
384 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
387 struct ndis_80211_bssid_info {
392 struct ndis_80211_pmkid {
394 __le32 bssid_info_count;
395 struct ndis_80211_bssid_info bssid_info[0];
401 #define NET_TYPE_11FB 0
403 #define CAP_MODE_80211A 1
404 #define CAP_MODE_80211B 2
405 #define CAP_MODE_80211G 4
406 #define CAP_MODE_MASK 7
408 #define WORK_LINK_UP (1<<0)
409 #define WORK_LINK_DOWN (1<<1)
410 #define WORK_SET_MULTICAST_LIST (1<<2)
412 #define RNDIS_WLAN_ALG_NONE 0
413 #define RNDIS_WLAN_ALG_WEP (1<<0)
414 #define RNDIS_WLAN_ALG_TKIP (1<<1)
415 #define RNDIS_WLAN_ALG_CCMP (1<<2)
417 #define RNDIS_WLAN_NUM_KEYS 4
418 #define RNDIS_WLAN_KEY_MGMT_NONE 0
419 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
420 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
422 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
424 static const struct ieee80211_channel rndis_channels[] = {
425 { .center_freq = 2412 },
426 { .center_freq = 2417 },
427 { .center_freq = 2422 },
428 { .center_freq = 2427 },
429 { .center_freq = 2432 },
430 { .center_freq = 2437 },
431 { .center_freq = 2442 },
432 { .center_freq = 2447 },
433 { .center_freq = 2452 },
434 { .center_freq = 2457 },
435 { .center_freq = 2462 },
436 { .center_freq = 2467 },
437 { .center_freq = 2472 },
438 { .center_freq = 2484 },
441 static const struct ieee80211_rate rndis_rates[] = {
443 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
444 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
445 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
456 static const u32 rndis_cipher_suites[] = {
457 WLAN_CIPHER_SUITE_WEP40,
458 WLAN_CIPHER_SUITE_WEP104,
459 WLAN_CIPHER_SUITE_TKIP,
460 WLAN_CIPHER_SUITE_CCMP,
463 struct rndis_wlan_encr_key {
472 /* RNDIS device private data */
473 struct rndis_wlan_private {
474 struct usbnet *usbdev;
476 struct wireless_dev wdev;
478 struct cfg80211_scan_request *scan_request;
480 struct workqueue_struct *workqueue;
481 struct delayed_work dev_poller_work;
482 struct delayed_work scan_work;
483 struct work_struct work;
484 struct mutex command_lock;
485 unsigned long work_pending;
489 int last_cqm_event_rssi;
491 struct ieee80211_supported_band band;
492 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
493 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
494 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
500 /* module parameters */
501 char param_country[4];
502 int param_frameburst;
503 int param_afterburner;
504 int param_power_save;
505 int param_power_output;
506 int param_roamtrigger;
508 u32 param_workaround_interval;
516 __le32 current_command_oid;
518 /* encryption stuff */
519 int encr_tx_key_index;
520 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
523 u8 command_buffer[COMMAND_BUFFER_SIZE];
529 static int rndis_change_virtual_intf(struct wiphy *wiphy,
530 struct net_device *dev,
531 enum nl80211_iftype type, u32 *flags,
532 struct vif_params *params);
534 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
535 struct cfg80211_scan_request *request);
537 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
539 static int rndis_set_tx_power(struct wiphy *wiphy,
540 enum nl80211_tx_power_setting type,
542 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm);
544 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
545 struct cfg80211_connect_params *sme);
547 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
550 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
551 struct cfg80211_ibss_params *params);
553 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
555 static int rndis_set_channel(struct wiphy *wiphy, struct net_device *dev,
556 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type);
558 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
559 u8 key_index, bool pairwise, const u8 *mac_addr,
560 struct key_params *params);
562 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
563 u8 key_index, bool pairwise, const u8 *mac_addr);
565 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
566 u8 key_index, bool unicast, bool multicast);
568 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
569 u8 *mac, struct station_info *sinfo);
571 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
572 int idx, u8 *mac, struct station_info *sinfo);
574 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
575 struct cfg80211_pmksa *pmksa);
577 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
578 struct cfg80211_pmksa *pmksa);
580 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
582 static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
583 bool enabled, int timeout);
585 static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
586 struct net_device *dev,
587 s32 rssi_thold, u32 rssi_hyst);
589 static const struct cfg80211_ops rndis_config_ops = {
590 .change_virtual_intf = rndis_change_virtual_intf,
592 .set_wiphy_params = rndis_set_wiphy_params,
593 .set_tx_power = rndis_set_tx_power,
594 .get_tx_power = rndis_get_tx_power,
595 .connect = rndis_connect,
596 .disconnect = rndis_disconnect,
597 .join_ibss = rndis_join_ibss,
598 .leave_ibss = rndis_leave_ibss,
599 .set_channel = rndis_set_channel,
600 .add_key = rndis_add_key,
601 .del_key = rndis_del_key,
602 .set_default_key = rndis_set_default_key,
603 .get_station = rndis_get_station,
604 .dump_station = rndis_dump_station,
605 .set_pmksa = rndis_set_pmksa,
606 .del_pmksa = rndis_del_pmksa,
607 .flush_pmksa = rndis_flush_pmksa,
608 .set_power_mgmt = rndis_set_power_mgmt,
609 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
612 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
615 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
617 return (struct rndis_wlan_private *)dev->driver_priv;
620 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
622 switch (priv->param_power_output) {
625 return BCM4320_DEFAULT_TXPOWER_DBM_100;
627 return BCM4320_DEFAULT_TXPOWER_DBM_75;
629 return BCM4320_DEFAULT_TXPOWER_DBM_50;
631 return BCM4320_DEFAULT_TXPOWER_DBM_25;
635 static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
637 int cipher = priv->encr_keys[idx].cipher;
639 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
640 cipher == WLAN_CIPHER_SUITE_TKIP);
643 static int rndis_cipher_to_alg(u32 cipher)
647 return RNDIS_WLAN_ALG_NONE;
648 case WLAN_CIPHER_SUITE_WEP40:
649 case WLAN_CIPHER_SUITE_WEP104:
650 return RNDIS_WLAN_ALG_WEP;
651 case WLAN_CIPHER_SUITE_TKIP:
652 return RNDIS_WLAN_ALG_TKIP;
653 case WLAN_CIPHER_SUITE_CCMP:
654 return RNDIS_WLAN_ALG_CCMP;
658 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
662 return RNDIS_WLAN_KEY_MGMT_NONE;
663 case WLAN_AKM_SUITE_8021X:
664 return RNDIS_WLAN_KEY_MGMT_802_1X;
665 case WLAN_AKM_SUITE_PSK:
666 return RNDIS_WLAN_KEY_MGMT_PSK;
671 static const char *oid_to_string(__le32 oid)
674 #define OID_STR(oid) case oid: return(#oid)
675 /* from rndis_host.h */
676 OID_STR(OID_802_3_PERMANENT_ADDRESS);
677 OID_STR(OID_GEN_MAXIMUM_FRAME_SIZE);
678 OID_STR(OID_GEN_CURRENT_PACKET_FILTER);
679 OID_STR(OID_GEN_PHYSICAL_MEDIUM);
681 /* from rndis_wlan.c */
682 OID_STR(OID_GEN_LINK_SPEED);
683 OID_STR(OID_GEN_RNDIS_CONFIG_PARAMETER);
685 OID_STR(OID_GEN_XMIT_OK);
686 OID_STR(OID_GEN_RCV_OK);
687 OID_STR(OID_GEN_XMIT_ERROR);
688 OID_STR(OID_GEN_RCV_ERROR);
689 OID_STR(OID_GEN_RCV_NO_BUFFER);
691 OID_STR(OID_802_3_CURRENT_ADDRESS);
692 OID_STR(OID_802_3_MULTICAST_LIST);
693 OID_STR(OID_802_3_MAXIMUM_LIST_SIZE);
695 OID_STR(OID_802_11_BSSID);
696 OID_STR(OID_802_11_SSID);
697 OID_STR(OID_802_11_INFRASTRUCTURE_MODE);
698 OID_STR(OID_802_11_ADD_WEP);
699 OID_STR(OID_802_11_REMOVE_WEP);
700 OID_STR(OID_802_11_DISASSOCIATE);
701 OID_STR(OID_802_11_AUTHENTICATION_MODE);
702 OID_STR(OID_802_11_PRIVACY_FILTER);
703 OID_STR(OID_802_11_BSSID_LIST_SCAN);
704 OID_STR(OID_802_11_ENCRYPTION_STATUS);
705 OID_STR(OID_802_11_ADD_KEY);
706 OID_STR(OID_802_11_REMOVE_KEY);
707 OID_STR(OID_802_11_ASSOCIATION_INFORMATION);
708 OID_STR(OID_802_11_CAPABILITY);
709 OID_STR(OID_802_11_PMKID);
710 OID_STR(OID_802_11_NETWORK_TYPES_SUPPORTED);
711 OID_STR(OID_802_11_NETWORK_TYPE_IN_USE);
712 OID_STR(OID_802_11_TX_POWER_LEVEL);
713 OID_STR(OID_802_11_RSSI);
714 OID_STR(OID_802_11_RSSI_TRIGGER);
715 OID_STR(OID_802_11_FRAGMENTATION_THRESHOLD);
716 OID_STR(OID_802_11_RTS_THRESHOLD);
717 OID_STR(OID_802_11_SUPPORTED_RATES);
718 OID_STR(OID_802_11_CONFIGURATION);
719 OID_STR(OID_802_11_POWER_MODE);
720 OID_STR(OID_802_11_BSSID_LIST);
727 static const char *oid_to_string(__le32 oid)
733 /* translate error code */
734 static int rndis_error_status(__le32 rndis_status)
737 switch (rndis_status) {
738 case RNDIS_STATUS_SUCCESS:
741 case RNDIS_STATUS_FAILURE:
742 case RNDIS_STATUS_INVALID_DATA:
745 case RNDIS_STATUS_NOT_SUPPORTED:
748 case RNDIS_STATUS_ADAPTER_NOT_READY:
749 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
756 static int rndis_query_oid(struct usbnet *dev, __le32 oid, void *data, int *len)
758 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
761 struct rndis_msg_hdr *header;
762 struct rndis_query *get;
763 struct rndis_query_c *get_c;
766 int resplen, respoffs, copylen;
768 buflen = *len + sizeof(*u.get);
769 if (buflen < CONTROL_BUFFER_SIZE)
770 buflen = CONTROL_BUFFER_SIZE;
772 if (buflen > COMMAND_BUFFER_SIZE) {
773 u.buf = kmalloc(buflen, GFP_KERNEL);
777 u.buf = priv->command_buffer;
780 mutex_lock(&priv->command_lock);
782 memset(u.get, 0, sizeof *u.get);
783 u.get->msg_type = RNDIS_MSG_QUERY;
784 u.get->msg_len = cpu_to_le32(sizeof *u.get);
787 priv->current_command_oid = oid;
788 ret = rndis_command(dev, u.header, buflen);
789 priv->current_command_oid = 0;
791 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
792 __func__, oid_to_string(oid), ret,
793 le32_to_cpu(u.get_c->status));
796 resplen = le32_to_cpu(u.get_c->len);
797 respoffs = le32_to_cpu(u.get_c->offset) + 8;
799 if (respoffs > buflen) {
800 /* Device returned data offset outside buffer, error. */
801 netdev_dbg(dev->net, "%s(%s): received invalid "
802 "data offset: %d > %d\n", __func__,
803 oid_to_string(oid), respoffs, buflen);
809 if ((resplen + respoffs) > buflen) {
810 /* Device would have returned more data if buffer would
811 * have been big enough. Copy just the bits that we got.
813 copylen = buflen - respoffs;
821 memcpy(data, u.buf + respoffs, copylen);
825 ret = rndis_error_status(u.get_c->status);
827 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
828 __func__, oid_to_string(oid),
829 le32_to_cpu(u.get_c->status), ret);
833 mutex_unlock(&priv->command_lock);
835 if (u.buf != priv->command_buffer)
840 static int rndis_set_oid(struct usbnet *dev, __le32 oid, const void *data,
843 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
846 struct rndis_msg_hdr *header;
847 struct rndis_set *set;
848 struct rndis_set_c *set_c;
852 buflen = len + sizeof(*u.set);
853 if (buflen < CONTROL_BUFFER_SIZE)
854 buflen = CONTROL_BUFFER_SIZE;
856 if (buflen > COMMAND_BUFFER_SIZE) {
857 u.buf = kmalloc(buflen, GFP_KERNEL);
861 u.buf = priv->command_buffer;
864 mutex_lock(&priv->command_lock);
866 memset(u.set, 0, sizeof *u.set);
867 u.set->msg_type = RNDIS_MSG_SET;
868 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
870 u.set->len = cpu_to_le32(len);
871 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
872 u.set->handle = cpu_to_le32(0);
873 memcpy(u.buf + sizeof(*u.set), data, len);
875 priv->current_command_oid = oid;
876 ret = rndis_command(dev, u.header, buflen);
877 priv->current_command_oid = 0;
879 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
880 __func__, oid_to_string(oid), ret,
881 le32_to_cpu(u.set_c->status));
884 ret = rndis_error_status(u.set_c->status);
887 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
888 __func__, oid_to_string(oid),
889 le32_to_cpu(u.set_c->status), ret);
892 mutex_unlock(&priv->command_lock);
894 if (u.buf != priv->command_buffer)
899 static int rndis_reset(struct usbnet *usbdev)
901 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
902 struct rndis_reset *reset;
905 mutex_lock(&priv->command_lock);
907 reset = (void *)priv->command_buffer;
908 memset(reset, 0, sizeof(*reset));
909 reset->msg_type = RNDIS_MSG_RESET;
910 reset->msg_len = cpu_to_le32(sizeof(*reset));
911 priv->current_command_oid = 0;
912 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
914 mutex_unlock(&priv->command_lock);
922 * Specs say that we can only set config parameters only soon after device
924 * value_type: 0 = u32, 2 = unicode string
926 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
927 int value_type, void *value)
929 struct ndis_config_param *infobuf;
930 int value_len, info_len, param_len, ret, i;
935 value_len = sizeof(__le32);
936 else if (value_type == 2)
937 value_len = strlen(value) * sizeof(__le16);
941 param_len = strlen(param) * sizeof(__le16);
942 info_len = sizeof(*infobuf) + param_len + value_len;
947 infobuf = kmalloc(info_len, GFP_KERNEL);
953 /* extra 12 bytes are for padding (debug output) */
954 memset(infobuf, 0xCC, info_len + 12);
958 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
961 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
962 param, *(u32 *)value);
964 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
965 infobuf->name_length = cpu_to_le32(param_len);
966 infobuf->type = cpu_to_le32(value_type);
967 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
968 infobuf->value_length = cpu_to_le32(value_len);
970 /* simple string to unicode string conversion */
971 unibuf = (void *)infobuf + sizeof(*infobuf);
972 for (i = 0; i < param_len / sizeof(__le16); i++)
973 unibuf[i] = cpu_to_le16(param[i]);
975 if (value_type == 2) {
976 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
977 for (i = 0; i < value_len / sizeof(__le16); i++)
978 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
980 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
981 *dst_value = cpu_to_le32(*(u32 *)value);
985 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
986 for (i = 0; i < info_len; i += 12) {
987 u32 *tmp = (u32 *)((u8 *)infobuf + i);
988 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
991 cpu_to_be32(tmp[2]));
995 ret = rndis_set_oid(dev, OID_GEN_RNDIS_CONFIG_PARAMETER,
998 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
1005 static int rndis_set_config_parameter_str(struct usbnet *dev,
1006 char *param, char *value)
1008 return rndis_set_config_parameter(dev, param, 2, value);
1012 * data conversion functions
1014 static int level_to_qual(int level)
1016 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
1017 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
1023 static int set_infra_mode(struct usbnet *usbdev, int mode);
1024 static void restore_keys(struct usbnet *usbdev);
1025 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
1028 static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
1032 /* Note: OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
1033 tmp = cpu_to_le32(1);
1034 return rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
1038 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
1040 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1043 ret = rndis_set_oid(usbdev, OID_802_11_SSID, ssid, sizeof(*ssid));
1045 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
1049 priv->radio_on = true;
1050 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
1056 static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
1060 ret = rndis_set_oid(usbdev, OID_802_11_BSSID, bssid, ETH_ALEN);
1062 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1070 static int clear_bssid(struct usbnet *usbdev)
1072 static const u8 broadcast_mac[ETH_ALEN] = {
1073 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1076 return set_bssid(usbdev, broadcast_mac);
1079 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1084 ret = rndis_query_oid(usbdev, OID_802_11_BSSID, bssid, &len);
1087 memset(bssid, 0, ETH_ALEN);
1092 static int get_association_info(struct usbnet *usbdev,
1093 struct ndis_80211_assoc_info *info, int len)
1095 return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION,
1099 static bool is_associated(struct usbnet *usbdev)
1101 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1105 if (!priv->radio_on)
1108 ret = get_bssid(usbdev, bssid);
1110 return (ret == 0 && !is_zero_ether_addr(bssid));
1113 static int disassociate(struct usbnet *usbdev, bool reset_ssid)
1115 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1116 struct ndis_80211_ssid ssid;
1119 if (priv->radio_on) {
1120 ret = rndis_set_oid(usbdev, OID_802_11_DISASSOCIATE, NULL, 0);
1122 priv->radio_on = false;
1123 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1131 /* disassociate causes radio to be turned off; if reset_ssid
1132 * is given, set random ssid to enable radio */
1134 /* Set device to infrastructure mode so we don't get ad-hoc
1135 * 'media connect' indications with the random ssid.
1137 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1139 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1140 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1141 ssid.essid[0] = 0x1;
1142 ssid.essid[1] = 0xff;
1143 for (i = 2; i < sizeof(ssid.essid); i++)
1144 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1145 ret = set_essid(usbdev, &ssid);
1150 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1151 enum nl80211_auth_type auth_type, int keymgmt)
1153 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1157 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1158 __func__, wpa_version, auth_type, keymgmt);
1160 if (wpa_version & NL80211_WPA_VERSION_2) {
1161 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1162 auth_mode = NDIS_80211_AUTH_WPA2;
1164 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1165 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1166 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1167 auth_mode = NDIS_80211_AUTH_WPA;
1168 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1169 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1171 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1172 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1173 auth_mode = NDIS_80211_AUTH_SHARED;
1174 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1175 auth_mode = NDIS_80211_AUTH_OPEN;
1176 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1177 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1181 tmp = cpu_to_le32(auth_mode);
1182 ret = rndis_set_oid(usbdev, OID_802_11_AUTHENTICATION_MODE, &tmp,
1185 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1190 priv->wpa_version = wpa_version;
1195 static int set_priv_filter(struct usbnet *usbdev)
1197 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1200 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1201 __func__, priv->wpa_version);
1203 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1204 priv->wpa_version & NL80211_WPA_VERSION_1)
1205 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1207 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1209 return rndis_set_oid(usbdev, OID_802_11_PRIVACY_FILTER, &tmp,
1213 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1218 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1219 __func__, pairwise, groupwise);
1221 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1222 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1223 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1224 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1225 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1226 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1227 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1228 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1229 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1230 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1232 encr_mode = NDIS_80211_ENCR_DISABLED;
1234 tmp = cpu_to_le32(encr_mode);
1235 ret = rndis_set_oid(usbdev, OID_802_11_ENCRYPTION_STATUS, &tmp,
1238 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1246 static int set_infra_mode(struct usbnet *usbdev, int mode)
1248 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1252 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1253 __func__, priv->infra_mode);
1255 tmp = cpu_to_le32(mode);
1256 ret = rndis_set_oid(usbdev, OID_802_11_INFRASTRUCTURE_MODE, &tmp,
1259 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1264 /* NDIS drivers clear keys when infrastructure mode is
1265 * changed. But Linux tools assume otherwise. So set the
1267 restore_keys(usbdev);
1269 priv->infra_mode = mode;
1273 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1277 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
1279 if (rts_threshold < 0 || rts_threshold > 2347)
1280 rts_threshold = 2347;
1282 tmp = cpu_to_le32(rts_threshold);
1283 return rndis_set_oid(usbdev, OID_802_11_RTS_THRESHOLD, &tmp,
1287 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1291 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
1293 if (frag_threshold < 256 || frag_threshold > 2346)
1294 frag_threshold = 2346;
1296 tmp = cpu_to_le32(frag_threshold);
1297 return rndis_set_oid(usbdev, OID_802_11_FRAGMENTATION_THRESHOLD, &tmp,
1301 static void set_default_iw_params(struct usbnet *usbdev)
1303 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1304 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1305 RNDIS_WLAN_KEY_MGMT_NONE);
1306 set_priv_filter(usbdev);
1307 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1310 static int deauthenticate(struct usbnet *usbdev)
1314 ret = disassociate(usbdev, true);
1315 set_default_iw_params(usbdev);
1319 static int set_channel(struct usbnet *usbdev, int channel)
1321 struct ndis_80211_conf config;
1322 unsigned int dsconfig;
1325 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
1327 /* this OID is valid only when not associated */
1328 if (is_associated(usbdev))
1331 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1333 len = sizeof(config);
1334 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
1336 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1341 config.ds_config = cpu_to_le32(dsconfig);
1342 ret = rndis_set_oid(usbdev, OID_802_11_CONFIGURATION, &config,
1345 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
1350 /* index must be 0 - N, as per NDIS */
1351 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1354 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1355 struct ndis_80211_wep_key ndis_key;
1359 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1360 __func__, index, key_len);
1362 if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
1366 cipher = WLAN_CIPHER_SUITE_WEP40;
1368 cipher = WLAN_CIPHER_SUITE_WEP104;
1370 memset(&ndis_key, 0, sizeof(ndis_key));
1372 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1373 ndis_key.length = cpu_to_le32(key_len);
1374 ndis_key.index = cpu_to_le32(index);
1375 memcpy(&ndis_key.material, key, key_len);
1377 if (index == priv->encr_tx_key_index) {
1378 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1379 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1380 RNDIS_WLAN_ALG_NONE);
1382 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1386 ret = rndis_set_oid(usbdev, OID_802_11_ADD_WEP, &ndis_key,
1389 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1394 priv->encr_keys[index].len = key_len;
1395 priv->encr_keys[index].cipher = cipher;
1396 memcpy(&priv->encr_keys[index].material, key, key_len);
1397 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1402 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1403 int index, const u8 *addr, const u8 *rx_seq,
1404 int seq_len, u32 cipher, __le32 flags)
1406 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1407 struct ndis_80211_key ndis_key;
1411 if (index < 0 || index >= 4) {
1412 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1416 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1417 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1421 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1422 if (!rx_seq || seq_len <= 0) {
1423 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1427 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1428 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
1433 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1434 !is_broadcast_ether_addr(addr);
1435 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1436 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1441 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1443 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1444 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1445 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1447 memset(&ndis_key, 0, sizeof(ndis_key));
1449 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1450 sizeof(ndis_key.material) + key_len);
1451 ndis_key.length = cpu_to_le32(key_len);
1452 ndis_key.index = cpu_to_le32(index) | flags;
1454 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1455 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1456 * different order than NDIS spec, so swap the order here. */
1457 memcpy(ndis_key.material, key, 16);
1458 memcpy(ndis_key.material + 16, key + 24, 8);
1459 memcpy(ndis_key.material + 24, key + 16, 8);
1461 memcpy(ndis_key.material, key, key_len);
1463 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1464 memcpy(ndis_key.rsc, rx_seq, seq_len);
1466 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1468 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1471 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1472 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1474 get_bssid(usbdev, ndis_key.bssid);
1477 ret = rndis_set_oid(usbdev, OID_802_11_ADD_KEY, &ndis_key,
1478 le32_to_cpu(ndis_key.size));
1479 netdev_dbg(usbdev->net, "%s(): OID_802_11_ADD_KEY -> %08X\n",
1484 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1485 priv->encr_keys[index].len = key_len;
1486 priv->encr_keys[index].cipher = cipher;
1487 memcpy(&priv->encr_keys[index].material, key, key_len);
1488 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1489 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1491 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1493 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1494 priv->encr_tx_key_index = index;
1499 static int restore_key(struct usbnet *usbdev, int key_idx)
1501 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1502 struct rndis_wlan_encr_key key;
1504 if (is_wpa_key(priv, key_idx))
1507 key = priv->encr_keys[key_idx];
1509 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
1514 return add_wep_key(usbdev, key.material, key.len, key_idx);
1517 static void restore_keys(struct usbnet *usbdev)
1521 for (i = 0; i < 4; i++)
1522 restore_key(usbdev, i);
1525 static void clear_key(struct rndis_wlan_private *priv, int idx)
1527 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1530 /* remove_key is for both wep and wpa */
1531 static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
1533 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1534 struct ndis_80211_remove_key remove_key;
1539 if (index >= RNDIS_WLAN_NUM_KEYS)
1542 if (priv->encr_keys[index].len == 0)
1545 is_wpa = is_wpa_key(priv, index);
1547 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1548 __func__, index, is_wpa ? "wpa" : "wep",
1549 priv->encr_keys[index].len);
1551 clear_key(priv, index);
1554 remove_key.size = cpu_to_le32(sizeof(remove_key));
1555 remove_key.index = cpu_to_le32(index);
1558 if (!is_broadcast_ether_addr(bssid))
1560 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1561 memcpy(remove_key.bssid, bssid,
1562 sizeof(remove_key.bssid));
1564 memset(remove_key.bssid, 0xff,
1565 sizeof(remove_key.bssid));
1567 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_KEY, &remove_key,
1568 sizeof(remove_key));
1572 keyindex = cpu_to_le32(index);
1573 ret = rndis_set_oid(usbdev, OID_802_11_REMOVE_WEP, &keyindex,
1576 netdev_warn(usbdev->net,
1577 "removing encryption key %d failed (%08X)\n",
1583 /* if it is transmit key, disable encryption */
1584 if (index == priv->encr_tx_key_index)
1585 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1590 static void set_multicast_list(struct usbnet *usbdev)
1592 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1593 struct netdev_hw_addr *ha;
1594 __le32 filter, basefilter;
1596 char *mc_addrs = NULL;
1599 basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
1600 RNDIS_PACKET_TYPE_BROADCAST;
1602 if (usbdev->net->flags & IFF_PROMISC) {
1603 filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
1604 RNDIS_PACKET_TYPE_ALL_LOCAL;
1605 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1606 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1609 if (filter != basefilter)
1613 * mc_list should be accessed holding the lock, so copy addresses to
1614 * local buffer first.
1616 netif_addr_lock_bh(usbdev->net);
1617 mc_count = netdev_mc_count(usbdev->net);
1618 if (mc_count > priv->multicast_size) {
1619 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1620 } else if (mc_count) {
1623 mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
1625 netdev_warn(usbdev->net,
1626 "couldn't alloc %d bytes of memory\n",
1627 mc_count * ETH_ALEN);
1628 netif_addr_unlock_bh(usbdev->net);
1632 netdev_for_each_mc_addr(ha, usbdev->net)
1633 memcpy(mc_addrs + i++ * ETH_ALEN,
1634 ha->addr, ETH_ALEN);
1636 netif_addr_unlock_bh(usbdev->net);
1638 if (filter != basefilter)
1642 ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
1643 mc_count * ETH_ALEN);
1646 filter |= RNDIS_PACKET_TYPE_MULTICAST;
1648 filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
1650 netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1651 mc_count, priv->multicast_size, ret);
1655 ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
1658 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1659 le32_to_cpu(filter));
1662 netdev_dbg(usbdev->net, "OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1663 le32_to_cpu(filter), ret);
1667 static void debug_print_pmkids(struct usbnet *usbdev,
1668 struct ndis_80211_pmkid *pmkids,
1669 const char *func_str)
1671 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1672 int i, len, count, max_pmkids, entry_len;
1674 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1675 len = le32_to_cpu(pmkids->length);
1676 count = le32_to_cpu(pmkids->bssid_info_count);
1678 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1680 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1681 "%d)\n", func_str, count, len, entry_len);
1683 if (count > max_pmkids)
1686 for (i = 0; i < count; i++) {
1687 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1689 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1690 "pmkid: %08X:%08X:%08X:%08X\n",
1691 func_str, pmkids->bssid_info[i].bssid,
1692 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1693 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1697 static void debug_print_pmkids(struct usbnet *usbdev,
1698 struct ndis_80211_pmkid *pmkids,
1699 const char *func_str)
1705 static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1707 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1708 struct ndis_80211_pmkid *pmkids;
1709 int len, ret, max_pmkids;
1711 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1712 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1714 pmkids = kzalloc(len, GFP_KERNEL);
1716 return ERR_PTR(-ENOMEM);
1718 pmkids->length = cpu_to_le32(len);
1719 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1721 ret = rndis_query_oid(usbdev, OID_802_11_PMKID, pmkids, &len);
1723 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d)"
1724 " -> %d\n", __func__, len, max_pmkids, ret);
1727 return ERR_PTR(ret);
1730 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1731 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1733 debug_print_pmkids(usbdev, pmkids, __func__);
1738 static int set_device_pmkids(struct usbnet *usbdev,
1739 struct ndis_80211_pmkid *pmkids)
1741 int ret, len, num_pmkids;
1743 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1744 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1745 pmkids->length = cpu_to_le32(len);
1747 debug_print_pmkids(usbdev, pmkids, __func__);
1749 ret = rndis_set_oid(usbdev, OID_802_11_PMKID, pmkids,
1750 le32_to_cpu(pmkids->length));
1752 netdev_dbg(usbdev->net, "%s(): OID_802_11_PMKID(%d, %d) -> %d"
1753 "\n", __func__, len, num_pmkids, ret);
1760 static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1761 struct ndis_80211_pmkid *pmkids,
1762 struct cfg80211_pmksa *pmksa,
1765 int i, len, count, newlen, err;
1767 len = le32_to_cpu(pmkids->length);
1768 count = le32_to_cpu(pmkids->bssid_info_count);
1770 if (count > max_pmkids)
1773 for (i = 0; i < count; i++)
1774 if (!compare_ether_addr(pmkids->bssid_info[i].bssid,
1778 /* pmkid not found */
1780 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1781 __func__, pmksa->bssid);
1786 for (; i + 1 < count; i++)
1787 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1790 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1792 pmkids->length = cpu_to_le32(newlen);
1793 pmkids->bssid_info_count = cpu_to_le32(count);
1798 return ERR_PTR(err);
1801 static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1802 struct ndis_80211_pmkid *pmkids,
1803 struct cfg80211_pmksa *pmksa,
1806 int i, err, len, count, newlen;
1808 len = le32_to_cpu(pmkids->length);
1809 count = le32_to_cpu(pmkids->bssid_info_count);
1811 if (count > max_pmkids)
1814 /* update with new pmkid */
1815 for (i = 0; i < count; i++) {
1816 if (compare_ether_addr(pmkids->bssid_info[i].bssid,
1820 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1826 /* out of space, return error */
1827 if (i == max_pmkids) {
1828 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1834 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1836 pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1842 pmkids->length = cpu_to_le32(newlen);
1843 pmkids->bssid_info_count = cpu_to_le32(count + 1);
1845 memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
1846 memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
1851 return ERR_PTR(err);
1857 static int rndis_change_virtual_intf(struct wiphy *wiphy,
1858 struct net_device *dev,
1859 enum nl80211_iftype type, u32 *flags,
1860 struct vif_params *params)
1862 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1863 struct usbnet *usbdev = priv->usbdev;
1867 case NL80211_IFTYPE_ADHOC:
1868 mode = NDIS_80211_INFRA_ADHOC;
1870 case NL80211_IFTYPE_STATION:
1871 mode = NDIS_80211_INFRA_INFRA;
1877 priv->wdev.iftype = type;
1879 return set_infra_mode(usbdev, mode);
1882 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1884 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1885 struct usbnet *usbdev = priv->usbdev;
1888 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1889 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1894 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1895 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1903 static int rndis_set_tx_power(struct wiphy *wiphy,
1904 enum nl80211_tx_power_setting type,
1907 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1908 struct usbnet *usbdev = priv->usbdev;
1910 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1911 __func__, type, mbm);
1913 if (mbm < 0 || (mbm % 100))
1916 /* Device doesn't support changing txpower after initialization, only
1917 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1920 if (type == NL80211_TX_POWER_AUTOMATIC ||
1921 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
1922 if (!priv->radio_on)
1923 disassociate(usbdev, true); /* turn on radio */
1931 static int rndis_get_tx_power(struct wiphy *wiphy, int *dbm)
1933 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1934 struct usbnet *usbdev = priv->usbdev;
1936 *dbm = get_bcm4320_power_dbm(priv);
1938 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
1943 #define SCAN_DELAY_JIFFIES (6 * HZ)
1944 static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
1945 struct cfg80211_scan_request *request)
1947 struct usbnet *usbdev = netdev_priv(dev);
1948 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1950 int delay = SCAN_DELAY_JIFFIES;
1952 netdev_dbg(usbdev->net, "cfg80211.scan\n");
1954 /* Get current bssid list from device before new scan, as new scan
1955 * clears internal bssid list.
1957 rndis_check_bssid_list(usbdev, NULL, NULL);
1962 if (priv->scan_request && priv->scan_request != request)
1965 priv->scan_request = request;
1967 ret = rndis_start_bssid_list_scan(usbdev);
1969 if (priv->device_type == RNDIS_BCM4320A)
1972 /* Wait before retrieving scan results from device */
1973 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
1979 static bool rndis_bss_info_update(struct usbnet *usbdev,
1980 struct ndis_80211_bssid_ex *bssid)
1982 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1983 struct ieee80211_channel *channel;
1984 struct cfg80211_bss *bss;
1988 u16 beacon_interval;
1989 struct ndis_80211_fixed_ies *fixed;
1990 int ie_len, bssid_len;
1993 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
1994 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
1996 /* parse bssid structure */
1997 bssid_len = le32_to_cpu(bssid->length);
1999 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
2000 sizeof(struct ndis_80211_fixed_ies))
2003 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
2005 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
2006 ie_len = min(bssid_len - (int)sizeof(*bssid),
2007 (int)le32_to_cpu(bssid->ie_length));
2008 ie_len -= sizeof(struct ndis_80211_fixed_ies);
2012 /* extract data for cfg80211_inform_bss */
2013 channel = ieee80211_get_channel(priv->wdev.wiphy,
2014 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
2018 signal = level_to_qual(le32_to_cpu(bssid->rssi));
2019 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
2020 capability = le16_to_cpu(fixed->capabilities);
2021 beacon_interval = le16_to_cpu(fixed->beacon_interval);
2023 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
2024 timestamp, capability, beacon_interval, ie, ie_len, signal,
2026 cfg80211_put_bss(bss);
2028 return (bss != NULL);
2031 static struct ndis_80211_bssid_ex *next_bssid_list_item(
2032 struct ndis_80211_bssid_ex *bssid,
2033 int *bssid_len, void *buf, int len)
2035 void *buf_end, *bssid_end;
2037 buf_end = (char *)buf + len;
2038 bssid_end = (char *)bssid + *bssid_len;
2040 if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
2044 bssid = (void *)((char *)bssid + *bssid_len);
2045 *bssid_len = le32_to_cpu(bssid->length);
2050 static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
2051 int bssid_len, void *buf, int len)
2053 void *buf_end, *bssid_end;
2055 if (!bssid || bssid_len <= 0 || bssid_len > len)
2058 buf_end = (char *)buf + len;
2059 bssid_end = (char *)bssid + bssid_len;
2061 return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
2064 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2068 struct ndis_80211_bssid_list_ex *bssid_list;
2069 struct ndis_80211_bssid_ex *bssid;
2070 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
2072 netdev_dbg(usbdev->net, "%s()\n", __func__);
2074 len = CONTROL_BUFFER_SIZE;
2076 buf = kzalloc(len, GFP_KERNEL);
2082 /* BSSID-list might have got bigger last time we checked, keep
2083 * resizing until it won't get any bigger.
2086 ret = rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &new_len);
2087 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
2090 if (new_len > len) {
2099 count = le32_to_cpu(bssid_list->num_items);
2101 netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
2104 bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
2106 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2107 * received 'num_items' and walking through full bssid buffer instead.
2109 while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
2110 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2112 if (compare_ether_addr(bssid->mac, match_bssid))
2117 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
2120 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2121 " %d\n", __func__, count, real_count);
2128 static void rndis_get_scan_results(struct work_struct *work)
2130 struct rndis_wlan_private *priv =
2131 container_of(work, struct rndis_wlan_private, scan_work.work);
2132 struct usbnet *usbdev = priv->usbdev;
2135 netdev_dbg(usbdev->net, "get_scan_results\n");
2137 if (!priv->scan_request)
2140 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
2142 cfg80211_scan_done(priv->scan_request, ret < 0);
2144 priv->scan_request = NULL;
2147 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2148 struct cfg80211_connect_params *sme)
2150 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2151 struct usbnet *usbdev = priv->usbdev;
2152 struct ieee80211_channel *channel = sme->channel;
2153 struct ndis_80211_ssid ssid;
2154 int pairwise = RNDIS_WLAN_ALG_NONE;
2155 int groupwise = RNDIS_WLAN_ALG_NONE;
2156 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2157 int length, i, ret, chan = -1;
2160 chan = ieee80211_frequency_to_channel(channel->center_freq);
2162 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2163 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2165 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2167 if (sme->crypto.n_ciphers_pairwise > 0 &&
2168 pairwise == RNDIS_WLAN_ALG_NONE) {
2169 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
2173 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2175 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2177 if (sme->crypto.n_akm_suites > 0 &&
2178 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
2179 netdev_err(usbdev->net, "Invalid keymgmt\n");
2183 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2184 sme->ssid, sme->bssid, chan,
2185 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2186 groupwise, pairwise, keymgmt);
2188 if (is_associated(usbdev))
2189 disassociate(usbdev, false);
2191 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2193 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2195 goto err_turn_radio_on;
2198 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2201 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2203 goto err_turn_radio_on;
2206 set_priv_filter(usbdev);
2208 ret = set_encr_mode(usbdev, pairwise, groupwise);
2210 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2212 goto err_turn_radio_on;
2216 ret = set_channel(usbdev, chan);
2218 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2220 goto err_turn_radio_on;
2224 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2225 priv->encr_tx_key_index = sme->key_idx;
2226 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2228 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2229 ret, sme->key_len, sme->key_idx);
2230 goto err_turn_radio_on;
2234 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2235 !is_broadcast_ether_addr(sme->bssid)) {
2236 ret = set_bssid(usbdev, sme->bssid);
2238 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2240 goto err_turn_radio_on;
2243 clear_bssid(usbdev);
2245 length = sme->ssid_len;
2246 if (length > NDIS_802_11_LENGTH_SSID)
2247 length = NDIS_802_11_LENGTH_SSID;
2249 memset(&ssid, 0, sizeof(ssid));
2250 ssid.length = cpu_to_le32(length);
2251 memcpy(ssid.essid, sme->ssid, length);
2253 /* Pause and purge rx queue, so we don't pass packets before
2254 * 'media connect'-indication.
2256 usbnet_pause_rx(usbdev);
2257 usbnet_purge_paused_rxq(usbdev);
2259 ret = set_essid(usbdev, &ssid);
2261 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
2265 disassociate(usbdev, true);
2270 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2273 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2274 struct usbnet *usbdev = priv->usbdev;
2276 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
2278 priv->connected = false;
2279 memset(priv->bssid, 0, ETH_ALEN);
2281 return deauthenticate(usbdev);
2284 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2285 struct cfg80211_ibss_params *params)
2287 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2288 struct usbnet *usbdev = priv->usbdev;
2289 struct ieee80211_channel *channel = params->channel;
2290 struct ndis_80211_ssid ssid;
2291 enum nl80211_auth_type auth_type;
2292 int ret, alg, length, chan = -1;
2295 chan = ieee80211_frequency_to_channel(channel->center_freq);
2297 /* TODO: How to handle ad-hoc encryption?
2298 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2299 * pre-shared for encryption (open/shared/wpa), is key set before
2300 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2302 if (params->privacy) {
2303 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2304 alg = RNDIS_WLAN_ALG_WEP;
2306 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2307 alg = RNDIS_WLAN_ALG_NONE;
2310 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2311 params->ssid, params->bssid, chan, params->privacy);
2313 if (is_associated(usbdev))
2314 disassociate(usbdev, false);
2316 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2318 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2320 goto err_turn_radio_on;
2323 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2325 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2327 goto err_turn_radio_on;
2330 set_priv_filter(usbdev);
2332 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2334 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2336 goto err_turn_radio_on;
2340 ret = set_channel(usbdev, chan);
2342 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2344 goto err_turn_radio_on;
2348 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2349 !is_broadcast_ether_addr(params->bssid)) {
2350 ret = set_bssid(usbdev, params->bssid);
2352 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2354 goto err_turn_radio_on;
2357 clear_bssid(usbdev);
2359 length = params->ssid_len;
2360 if (length > NDIS_802_11_LENGTH_SSID)
2361 length = NDIS_802_11_LENGTH_SSID;
2363 memset(&ssid, 0, sizeof(ssid));
2364 ssid.length = cpu_to_le32(length);
2365 memcpy(ssid.essid, params->ssid, length);
2367 /* Don't need to pause rx queue for ad-hoc. */
2368 usbnet_purge_paused_rxq(usbdev);
2369 usbnet_resume_rx(usbdev);
2371 ret = set_essid(usbdev, &ssid);
2373 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2378 disassociate(usbdev, true);
2383 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2385 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2386 struct usbnet *usbdev = priv->usbdev;
2388 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
2390 priv->connected = false;
2391 memset(priv->bssid, 0, ETH_ALEN);
2393 return deauthenticate(usbdev);
2396 static int rndis_set_channel(struct wiphy *wiphy, struct net_device *netdev,
2397 struct ieee80211_channel *chan, enum nl80211_channel_type channel_type)
2399 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2400 struct usbnet *usbdev = priv->usbdev;
2402 return set_channel(usbdev,
2403 ieee80211_frequency_to_channel(chan->center_freq));
2406 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2407 u8 key_index, bool pairwise, const u8 *mac_addr,
2408 struct key_params *params)
2410 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2411 struct usbnet *usbdev = priv->usbdev;
2414 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2415 __func__, key_index, mac_addr, params->cipher);
2417 switch (params->cipher) {
2418 case WLAN_CIPHER_SUITE_WEP40:
2419 case WLAN_CIPHER_SUITE_WEP104:
2420 return add_wep_key(usbdev, params->key, params->key_len,
2422 case WLAN_CIPHER_SUITE_TKIP:
2423 case WLAN_CIPHER_SUITE_CCMP:
2426 if (params->seq && params->seq_len > 0)
2427 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2429 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2430 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2432 return add_wpa_key(usbdev, params->key, params->key_len,
2433 key_index, mac_addr, params->seq,
2434 params->seq_len, params->cipher, flags);
2436 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2437 __func__, params->cipher);
2442 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2443 u8 key_index, bool pairwise, const u8 *mac_addr)
2445 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2446 struct usbnet *usbdev = priv->usbdev;
2448 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
2450 return remove_key(usbdev, key_index, mac_addr);
2453 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2454 u8 key_index, bool unicast, bool multicast)
2456 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2457 struct usbnet *usbdev = priv->usbdev;
2458 struct rndis_wlan_encr_key key;
2460 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
2462 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2465 priv->encr_tx_key_index = key_index;
2467 if (is_wpa_key(priv, key_index))
2470 key = priv->encr_keys[key_index];
2472 return add_wep_key(usbdev, key.material, key.len, key_index);
2475 static void rndis_fill_station_info(struct usbnet *usbdev,
2476 struct station_info *sinfo)
2478 __le32 linkspeed, rssi;
2481 memset(sinfo, 0, sizeof(*sinfo));
2483 len = sizeof(linkspeed);
2484 ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &linkspeed, &len);
2486 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2487 sinfo->filled |= STATION_INFO_TX_BITRATE;
2491 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2493 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2494 sinfo->filled |= STATION_INFO_SIGNAL;
2498 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2499 u8 *mac, struct station_info *sinfo)
2501 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2502 struct usbnet *usbdev = priv->usbdev;
2504 if (compare_ether_addr(priv->bssid, mac))
2507 rndis_fill_station_info(usbdev, sinfo);
2512 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2513 int idx, u8 *mac, struct station_info *sinfo)
2515 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2516 struct usbnet *usbdev = priv->usbdev;
2521 memcpy(mac, priv->bssid, ETH_ALEN);
2523 rndis_fill_station_info(usbdev, sinfo);
2528 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2529 struct cfg80211_pmksa *pmksa)
2531 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2532 struct usbnet *usbdev = priv->usbdev;
2533 struct ndis_80211_pmkid *pmkids;
2534 u32 *tmp = (u32 *)pmksa->pmkid;
2536 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2538 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2539 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2541 pmkids = get_device_pmkids(usbdev);
2542 if (IS_ERR(pmkids)) {
2543 /* couldn't read PMKID cache from device */
2544 return PTR_ERR(pmkids);
2547 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2548 if (IS_ERR(pmkids)) {
2549 /* not found, list full, etc */
2550 return PTR_ERR(pmkids);
2553 return set_device_pmkids(usbdev, pmkids);
2556 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2557 struct cfg80211_pmksa *pmksa)
2559 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2560 struct usbnet *usbdev = priv->usbdev;
2561 struct ndis_80211_pmkid *pmkids;
2562 u32 *tmp = (u32 *)pmksa->pmkid;
2564 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2566 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2567 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2569 pmkids = get_device_pmkids(usbdev);
2570 if (IS_ERR(pmkids)) {
2571 /* Couldn't read PMKID cache from device */
2572 return PTR_ERR(pmkids);
2575 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2576 if (IS_ERR(pmkids)) {
2577 /* not found, etc */
2578 return PTR_ERR(pmkids);
2581 return set_device_pmkids(usbdev, pmkids);
2584 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2586 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2587 struct usbnet *usbdev = priv->usbdev;
2588 struct ndis_80211_pmkid pmkid;
2590 netdev_dbg(usbdev->net, "%s()\n", __func__);
2592 memset(&pmkid, 0, sizeof(pmkid));
2594 pmkid.length = cpu_to_le32(sizeof(pmkid));
2595 pmkid.bssid_info_count = cpu_to_le32(0);
2597 return rndis_set_oid(usbdev, OID_802_11_PMKID, &pmkid, sizeof(pmkid));
2600 static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2601 bool enabled, int timeout)
2603 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2604 struct usbnet *usbdev = priv->usbdev;
2609 if (priv->device_type != RNDIS_BCM4320B)
2612 netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
2613 enabled ? "enabled" : "disabled",
2617 power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
2619 power_mode = NDIS_80211_POWER_MODE_CAM;
2621 if (power_mode == priv->power_mode)
2624 priv->power_mode = power_mode;
2626 mode = cpu_to_le32(power_mode);
2627 ret = rndis_set_oid(usbdev, OID_802_11_POWER_MODE, &mode, sizeof(mode));
2629 netdev_dbg(usbdev->net, "%s(): OID_802_11_POWER_MODE -> %d\n",
2635 static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
2636 struct net_device *dev,
2637 s32 rssi_thold, u32 rssi_hyst)
2639 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2641 priv->cqm_rssi_thold = rssi_thold;
2642 priv->cqm_rssi_hyst = rssi_hyst;
2643 priv->last_cqm_event_rssi = 0;
2648 static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2649 struct ndis_80211_assoc_info *info)
2651 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2652 struct ieee80211_channel *channel;
2653 struct ndis_80211_conf config;
2654 struct ndis_80211_ssid ssid;
2655 struct cfg80211_bss *bss;
2659 u16 beacon_interval;
2662 int len, ret, ie_len;
2664 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2667 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
2668 signal = level_to_qual(le32_to_cpu(rssi));
2670 netdev_dbg(usbdev->net, "%s(): OID_802_11_RSSI -> %d, "
2671 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2672 level_to_qual(le32_to_cpu(rssi)));
2674 /* Get AP capabilities */
2676 capability = le16_to_cpu(info->resp_ie.capa);
2678 /* Set atleast ESS/IBSS capability */
2679 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2680 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2683 /* Get channel and beacon interval */
2684 len = sizeof(config);
2685 ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
2686 netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
2689 beacon_interval = le16_to_cpu(config.beacon_period);
2690 channel = ieee80211_get_channel(priv->wdev.wiphy,
2691 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
2693 netdev_warn(usbdev->net, "%s(): could not get channel."
2698 netdev_warn(usbdev->net, "%s(): could not get configuration.\n",
2703 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2705 memset(&ssid, 0, sizeof(ssid));
2706 ret = rndis_query_oid(usbdev, OID_802_11_SSID, &ssid, &len);
2707 netdev_dbg(usbdev->net, "%s(): OID_802_11_SSID -> %d, len: %d, ssid: "
2708 "'%.32s'\n", __func__, ret,
2709 le32_to_cpu(ssid.length), ssid.essid);
2711 if (le32_to_cpu(ssid.length) > 32)
2712 ssid.length = cpu_to_le32(32);
2714 ie_buf[0] = WLAN_EID_SSID;
2715 ie_buf[1] = le32_to_cpu(ssid.length);
2716 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2718 ie_len = le32_to_cpu(ssid.length) + 2;
2723 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2724 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2725 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
2726 bssid, (u32)timestamp, capability, beacon_interval, ie_len,
2727 ssid.essid, signal);
2729 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
2730 timestamp, capability, beacon_interval, ie_buf, ie_len,
2731 signal, GFP_KERNEL);
2732 cfg80211_put_bss(bss);
2736 * workers, indication handlers, device poller
2738 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2740 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2741 struct ndis_80211_assoc_info *info = NULL;
2743 int resp_ie_len, req_ie_len;
2744 u8 *req_ie, *resp_ie;
2746 bool roamed = false;
2749 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2750 /* received media connect indication while connected, either
2751 * device reassociated with same AP or roamed to new. */
2760 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2761 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2763 /* No memory? Try resume work later */
2764 set_bit(WORK_LINK_UP, &priv->work_pending);
2765 queue_work(priv->workqueue, &priv->work);
2769 /* Get association info IEs from device. */
2770 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
2772 req_ie_len = le32_to_cpu(info->req_ie_length);
2773 if (req_ie_len > 0) {
2774 offset = le32_to_cpu(info->offset_req_ies);
2776 if (offset > CONTROL_BUFFER_SIZE)
2777 offset = CONTROL_BUFFER_SIZE;
2779 req_ie = (u8 *)info + offset;
2781 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2783 CONTROL_BUFFER_SIZE - offset;
2786 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2787 if (resp_ie_len > 0) {
2788 offset = le32_to_cpu(info->offset_resp_ies);
2790 if (offset > CONTROL_BUFFER_SIZE)
2791 offset = CONTROL_BUFFER_SIZE;
2793 resp_ie = (u8 *)info + offset;
2795 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2797 CONTROL_BUFFER_SIZE - offset;
2800 /* Since rndis_wlan_craft_connected_bss() might use info
2801 * later and expects info to contain valid data if
2802 * non-null, free info and set NULL here.
2807 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2810 ret = get_bssid(usbdev, bssid);
2812 memset(bssid, 0, sizeof(bssid));
2814 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2815 bssid, roamed ? " roamed" : "");
2817 /* Internal bss list in device should contain at least the currently
2818 * connected bss and we can get it to cfg80211 with
2819 * rndis_check_bssid_list().
2821 * NDIS spec says: "If the device is associated, but the associated
2822 * BSSID is not in its BSSID scan list, then the driver must add an
2823 * entry for the BSSID at the end of the data that it returns in
2824 * response to query of OID_802_11_BSSID_LIST."
2826 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
2829 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2831 if (!is_zero_ether_addr(bssid) && !match_bss) {
2832 /* Couldn't get bss from device, we need to manually craft bss
2835 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2838 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2840 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2841 req_ie_len, resp_ie,
2842 resp_ie_len, 0, GFP_KERNEL);
2844 cfg80211_roamed(usbdev->net, NULL, bssid,
2846 resp_ie, resp_ie_len, GFP_KERNEL);
2847 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2848 cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
2853 priv->connected = true;
2854 memcpy(priv->bssid, bssid, ETH_ALEN);
2856 usbnet_resume_rx(usbdev);
2857 netif_carrier_on(usbdev->net);
2860 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2862 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2864 if (priv->connected) {
2865 priv->connected = false;
2866 memset(priv->bssid, 0, ETH_ALEN);
2868 deauthenticate(usbdev);
2870 cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
2873 netif_carrier_off(usbdev->net);
2876 static void rndis_wlan_worker(struct work_struct *work)
2878 struct rndis_wlan_private *priv =
2879 container_of(work, struct rndis_wlan_private, work);
2880 struct usbnet *usbdev = priv->usbdev;
2882 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2883 rndis_wlan_do_link_up_work(usbdev);
2885 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2886 rndis_wlan_do_link_down_work(usbdev);
2888 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2889 set_multicast_list(usbdev);
2892 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2894 struct usbnet *usbdev = netdev_priv(dev);
2895 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2897 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2900 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2901 queue_work(priv->workqueue, &priv->work);
2904 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2905 struct ndis_80211_status_indication *indication,
2910 int flags, buflen, key_id;
2911 bool pairwise_error, group_error;
2912 struct ndis_80211_auth_request *auth_req;
2913 enum nl80211_key_type key_type;
2915 /* must have at least one array entry */
2916 if (len < offsetof(struct ndis_80211_status_indication, u) +
2917 sizeof(struct ndis_80211_auth_request)) {
2918 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2923 buf = (void *)&indication->u.auth_request[0];
2924 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2926 while (buflen >= sizeof(*auth_req)) {
2927 auth_req = (void *)buf;
2929 flags = le32_to_cpu(auth_req->flags);
2930 pairwise_error = false;
2931 group_error = false;
2934 type = "reauth request";
2936 type = "key update request";
2938 pairwise_error = true;
2939 type = "pairwise_error";
2943 type = "group_error";
2946 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2947 type, le32_to_cpu(auth_req->flags));
2949 if (pairwise_error) {
2950 key_type = NL80211_KEYTYPE_PAIRWISE;
2953 cfg80211_michael_mic_failure(usbdev->net,
2955 key_type, key_id, NULL,
2960 key_type = NL80211_KEYTYPE_GROUP;
2963 cfg80211_michael_mic_failure(usbdev->net,
2965 key_type, key_id, NULL,
2969 buflen -= le32_to_cpu(auth_req->length);
2970 buf += le32_to_cpu(auth_req->length);
2974 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2975 struct ndis_80211_status_indication *indication,
2978 struct ndis_80211_pmkid_cand_list *cand_list;
2979 int list_len, expected_len, i;
2981 if (len < offsetof(struct ndis_80211_status_indication, u) +
2982 sizeof(struct ndis_80211_pmkid_cand_list)) {
2983 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2988 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2989 sizeof(struct ndis_80211_pmkid_candidate);
2990 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2991 offsetof(struct ndis_80211_status_indication, u);
2993 if (len < expected_len) {
2994 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2999 cand_list = &indication->u.cand_list;
3001 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
3002 le32_to_cpu(cand_list->version),
3003 le32_to_cpu(cand_list->num_candidates));
3005 if (le32_to_cpu(cand_list->version) != 1)
3008 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
3009 struct ndis_80211_pmkid_candidate *cand =
3010 &cand_list->candidate_list[i];
3012 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
3013 i, le32_to_cpu(cand->flags), cand->bssid);
3016 struct iw_pmkid_cand pcand;
3017 union iwreq_data wrqu;
3019 memset(&pcand, 0, sizeof(pcand));
3020 if (le32_to_cpu(cand->flags) & 0x01)
3021 pcand.flags |= IW_PMKID_CAND_PREAUTH;
3023 memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
3025 memset(&wrqu, 0, sizeof(wrqu));
3026 wrqu.data.length = sizeof(pcand);
3027 wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
3033 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3034 struct rndis_indicate *msg, int buflen)
3036 struct ndis_80211_status_indication *indication;
3039 offset = offsetof(struct rndis_indicate, status) +
3040 le32_to_cpu(msg->offset);
3041 len = le32_to_cpu(msg->length);
3044 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3049 if (offset + len > buflen) {
3050 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3051 offset + len, buflen);
3055 indication = (void *)((u8 *)msg + offset);
3057 switch (le32_to_cpu(indication->status_type)) {
3058 case NDIS_80211_STATUSTYPE_RADIOSTATE:
3059 netdev_info(usbdev->net, "radio state indication: %i\n",
3060 le32_to_cpu(indication->u.radio_status));
3063 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
3064 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3065 le32_to_cpu(indication->u.media_stream_mode));
3068 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3069 rndis_wlan_auth_indication(usbdev, indication, len);
3072 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3073 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3077 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3078 le32_to_cpu(indication->status_type));
3082 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
3084 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3085 struct rndis_indicate *msg = ind;
3087 switch (msg->status) {
3088 case RNDIS_STATUS_MEDIA_CONNECT:
3089 if (priv->current_command_oid == OID_802_11_ADD_KEY) {
3090 /* OID_802_11_ADD_KEY causes sometimes extra
3091 * "media connect" indications which confuses driver
3092 * and userspace to think that device is
3093 * roaming/reassociating when it isn't.
3095 netdev_dbg(usbdev->net, "ignored OID_802_11_ADD_KEY triggered 'media connect'\n");
3099 usbnet_pause_rx(usbdev);
3101 netdev_info(usbdev->net, "media connect\n");
3103 /* queue work to avoid recursive calls into rndis_command */
3104 set_bit(WORK_LINK_UP, &priv->work_pending);
3105 queue_work(priv->workqueue, &priv->work);
3108 case RNDIS_STATUS_MEDIA_DISCONNECT:
3109 netdev_info(usbdev->net, "media disconnect\n");
3111 /* queue work to avoid recursive calls into rndis_command */
3112 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3113 queue_work(priv->workqueue, &priv->work);
3116 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
3117 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3121 netdev_info(usbdev->net, "indication: 0x%08x\n",
3122 le32_to_cpu(msg->status));
3127 static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
3132 } networks_supported;
3133 struct ndis_80211_capability *caps;
3134 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
3135 int len, retval, i, n;
3136 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3138 /* determine supported modes */
3139 len = sizeof(networks_supported);
3140 retval = rndis_query_oid(usbdev, OID_802_11_NETWORK_TYPES_SUPPORTED,
3141 &networks_supported, &len);
3143 n = le32_to_cpu(networks_supported.num_items);
3146 for (i = 0; i < n; i++) {
3147 switch (le32_to_cpu(networks_supported.items[i])) {
3148 case NDIS_80211_TYPE_FREQ_HOP:
3149 case NDIS_80211_TYPE_DIRECT_SEQ:
3150 priv->caps |= CAP_MODE_80211B;
3152 case NDIS_80211_TYPE_OFDM_A:
3153 priv->caps |= CAP_MODE_80211A;
3155 case NDIS_80211_TYPE_OFDM_G:
3156 priv->caps |= CAP_MODE_80211G;
3162 /* get device 802.11 capabilities, number of PMKIDs */
3163 caps = (struct ndis_80211_capability *)caps_buf;
3164 len = sizeof(caps_buf);
3165 retval = rndis_query_oid(usbdev, OID_802_11_CAPABILITY, caps, &len);
3167 netdev_dbg(usbdev->net, "OID_802_11_CAPABILITY -> len %d, "
3168 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3169 le32_to_cpu(caps->length),
3170 le32_to_cpu(caps->version),
3171 le32_to_cpu(caps->num_pmkids),
3172 le32_to_cpu(caps->num_auth_encr_pair));
3173 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3175 wiphy->max_num_pmkids = 0;
3180 static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3182 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3183 enum nl80211_cqm_rssi_threshold_event event;
3184 int thold, hyst, last_event;
3186 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3188 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3191 last_event = priv->last_cqm_event_rssi;
3192 thold = priv->cqm_rssi_thold;
3193 hyst = priv->cqm_rssi_hyst;
3195 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3196 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3197 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3198 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3202 priv->last_cqm_event_rssi = rssi;
3203 cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
3206 #define DEVICE_POLLER_JIFFIES (HZ)
3207 static void rndis_device_poller(struct work_struct *work)
3209 struct rndis_wlan_private *priv =
3210 container_of(work, struct rndis_wlan_private,
3211 dev_poller_work.work);
3212 struct usbnet *usbdev = priv->usbdev;
3215 int update_jiffies = DEVICE_POLLER_JIFFIES;
3218 /* Only check/do workaround when connected. Calling is_associated()
3219 * also polls device with rndis_command() and catches for media link
3222 if (!is_associated(usbdev)) {
3223 /* Workaround bad scanning in BCM4320a devices with active
3224 * background scanning when not associated.
3226 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3227 !priv->scan_request) {
3228 /* Get previous scan results */
3229 rndis_check_bssid_list(usbdev, NULL, NULL);
3231 /* Initiate new scan */
3232 rndis_start_bssid_list_scan(usbdev);
3239 ret = rndis_query_oid(usbdev, OID_802_11_RSSI, &rssi, &len);
3241 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
3242 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3245 netdev_dbg(usbdev->net, "dev-poller: OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3246 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
3248 /* Workaround transfer stalls on poor quality links.
3249 * TODO: find right way to fix these stalls (as stalls do not happen
3250 * with ndiswrapper/windows driver). */
3251 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
3252 /* Decrease stats worker interval to catch stalls.
3253 * faster. Faster than 400-500ms causes packet loss,
3254 * Slower doesn't catch stalls fast enough.
3256 j = msecs_to_jiffies(priv->param_workaround_interval);
3257 if (j > DEVICE_POLLER_JIFFIES)
3258 j = DEVICE_POLLER_JIFFIES;
3263 /* Send scan OID. Use of both OIDs is required to get device
3266 tmp = cpu_to_le32(1);
3267 rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
3270 len = CONTROL_BUFFER_SIZE;
3271 buf = kmalloc(len, GFP_KERNEL);
3275 rndis_query_oid(usbdev, OID_802_11_BSSID_LIST, buf, &len);
3280 if (update_jiffies >= HZ)
3281 update_jiffies = round_jiffies_relative(update_jiffies);
3283 j = round_jiffies_relative(update_jiffies);
3284 if (abs(j - update_jiffies) <= 10)
3288 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3293 * driver/device initialization
3295 static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
3297 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3299 priv->device_type = device_type;
3301 priv->param_country[0] = modparam_country[0];
3302 priv->param_country[1] = modparam_country[1];
3303 priv->param_country[2] = 0;
3304 priv->param_frameburst = modparam_frameburst;
3305 priv->param_afterburner = modparam_afterburner;
3306 priv->param_power_save = modparam_power_save;
3307 priv->param_power_output = modparam_power_output;
3308 priv->param_roamtrigger = modparam_roamtrigger;
3309 priv->param_roamdelta = modparam_roamdelta;
3311 priv->param_country[0] = toupper(priv->param_country[0]);
3312 priv->param_country[1] = toupper(priv->param_country[1]);
3313 /* doesn't support EU as country code, use FI instead */
3314 if (!strcmp(priv->param_country, "EU"))
3315 strcpy(priv->param_country, "FI");
3317 if (priv->param_power_save < 0)
3318 priv->param_power_save = 0;
3319 else if (priv->param_power_save > 2)
3320 priv->param_power_save = 2;
3322 if (priv->param_power_output < 0)
3323 priv->param_power_output = 0;
3324 else if (priv->param_power_output > 3)
3325 priv->param_power_output = 3;
3327 if (priv->param_roamtrigger < -80)
3328 priv->param_roamtrigger = -80;
3329 else if (priv->param_roamtrigger > -60)
3330 priv->param_roamtrigger = -60;
3332 if (priv->param_roamdelta < 0)
3333 priv->param_roamdelta = 0;
3334 else if (priv->param_roamdelta > 2)
3335 priv->param_roamdelta = 2;
3337 if (modparam_workaround_interval < 0)
3338 priv->param_workaround_interval = 500;
3340 priv->param_workaround_interval = modparam_workaround_interval;
3343 static int unknown_early_init(struct usbnet *usbdev)
3345 /* copy module parameters for unknown so that iwconfig reports txpower
3346 * and workaround parameter is copied to private structure correctly.
3348 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3350 /* This is unknown device, so do not try set configuration parameters.
3356 static int bcm4320a_early_init(struct usbnet *usbdev)
3358 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3359 * and workaround parameter is copied to private structure correctly.
3361 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
3363 /* bcm4320a doesn't handle configuration parameters well. Try
3364 * set any and you get partially zeroed mac and broken device.
3370 static int bcm4320b_early_init(struct usbnet *usbdev)
3372 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3375 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
3377 /* Early initialization settings, setting these won't have effect
3378 * if called after generic_rndis_bind().
3381 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3382 rndis_set_config_parameter_str(usbdev, "FrameBursting",
3383 priv->param_frameburst ? "1" : "0");
3384 rndis_set_config_parameter_str(usbdev, "Afterburner",
3385 priv->param_afterburner ? "1" : "0");
3386 sprintf(buf, "%d", priv->param_power_save);
3387 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
3388 sprintf(buf, "%d", priv->param_power_output);
3389 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
3390 sprintf(buf, "%d", priv->param_roamtrigger);
3391 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
3392 sprintf(buf, "%d", priv->param_roamdelta);
3393 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
3398 /* same as rndis_netdev_ops but with local multicast handler */
3399 static const struct net_device_ops rndis_wlan_netdev_ops = {
3400 .ndo_open = usbnet_open,
3401 .ndo_stop = usbnet_stop,
3402 .ndo_start_xmit = usbnet_start_xmit,
3403 .ndo_tx_timeout = usbnet_tx_timeout,
3404 .ndo_set_mac_address = eth_mac_addr,
3405 .ndo_validate_addr = eth_validate_addr,
3406 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
3409 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
3411 struct wiphy *wiphy;
3412 struct rndis_wlan_private *priv;
3416 /* allocate wiphy and rndis private data
3417 * NOTE: We only support a single virtual interface, so wiphy
3418 * and wireless_dev are somewhat synonymous for this device.
3420 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
3424 priv = wiphy_priv(wiphy);
3425 usbdev->net->ieee80211_ptr = &priv->wdev;
3426 priv->wdev.wiphy = wiphy;
3427 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3429 /* These have to be initialized before calling generic_rndis_bind().
3430 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3432 usbdev->driver_priv = priv;
3433 priv->usbdev = usbdev;
3435 mutex_init(&priv->command_lock);
3437 /* because rndis_command() sleeps we need to use workqueue */
3438 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
3439 INIT_WORK(&priv->work, rndis_wlan_worker);
3440 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
3441 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3443 /* try bind rndis_host */
3444 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
3448 /* generic_rndis_bind set packet filter to multicast_all+
3449 * promisc mode which doesn't work well for our devices (device
3450 * picks up rssi to closest station instead of to access point).
3452 * rndis_host wants to avoid all OID as much as possible
3453 * so do promisc/multicast handling in rndis_wlan.
3455 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
3457 tmp = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
3458 retval = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &tmp,
3462 retval = rndis_query_oid(usbdev, OID_802_3_MAXIMUM_LIST_SIZE, &tmp,
3464 priv->multicast_size = le32_to_cpu(tmp);
3465 if (retval < 0 || priv->multicast_size < 0)
3466 priv->multicast_size = 0;
3467 if (priv->multicast_size > 0)
3468 usbdev->net->flags |= IFF_MULTICAST;
3470 usbdev->net->flags &= ~IFF_MULTICAST;
3472 /* fill-out wiphy structure and register w/ cfg80211 */
3473 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3474 wiphy->privid = rndis_wiphy_privid;
3475 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3476 | BIT(NL80211_IFTYPE_ADHOC);
3477 wiphy->max_scan_ssids = 1;
3479 /* TODO: fill-out band/encr information based on priv->caps */
3480 rndis_wlan_get_caps(usbdev, wiphy);
3482 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3483 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3484 priv->band.channels = priv->channels;
3485 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3486 priv->band.bitrates = priv->rates;
3487 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3488 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
3489 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
3491 memcpy(priv->cipher_suites, rndis_cipher_suites,
3492 sizeof(rndis_cipher_suites));
3493 wiphy->cipher_suites = priv->cipher_suites;
3494 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3496 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3498 if (wiphy_register(wiphy)) {
3503 set_default_iw_params(usbdev);
3505 priv->power_mode = -1;
3507 /* set default rts/frag */
3508 rndis_set_wiphy_params(wiphy,
3509 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3511 /* turn radio off on init */
3512 priv->radio_on = false;
3513 disassociate(usbdev, false);
3514 netif_carrier_off(usbdev->net);
3519 cancel_delayed_work_sync(&priv->dev_poller_work);
3520 cancel_delayed_work_sync(&priv->scan_work);
3521 cancel_work_sync(&priv->work);
3522 flush_workqueue(priv->workqueue);
3523 destroy_workqueue(priv->workqueue);
3529 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
3531 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3533 /* turn radio off */
3534 disassociate(usbdev, false);
3536 cancel_delayed_work_sync(&priv->dev_poller_work);
3537 cancel_delayed_work_sync(&priv->scan_work);
3538 cancel_work_sync(&priv->work);
3539 flush_workqueue(priv->workqueue);
3540 destroy_workqueue(priv->workqueue);
3542 rndis_unbind(usbdev, intf);
3544 wiphy_unregister(priv->wdev.wiphy);
3545 wiphy_free(priv->wdev.wiphy);
3548 static int rndis_wlan_reset(struct usbnet *usbdev)
3550 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3553 netdev_dbg(usbdev->net, "%s()\n", __func__);
3555 retval = rndis_reset(usbdev);
3557 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
3559 /* rndis_reset cleared multicast list, so restore here.
3560 (set_multicast_list() also turns on current packet filter) */
3561 set_multicast_list(usbdev);
3563 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3564 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
3566 return deauthenticate(usbdev);
3569 static int rndis_wlan_stop(struct usbnet *usbdev)
3571 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3575 netdev_dbg(usbdev->net, "%s()\n", __func__);
3577 retval = disassociate(usbdev, false);
3579 priv->work_pending = 0;
3580 cancel_delayed_work_sync(&priv->dev_poller_work);
3581 cancel_delayed_work_sync(&priv->scan_work);
3582 cancel_work_sync(&priv->work);
3583 flush_workqueue(priv->workqueue);
3585 if (priv->scan_request) {
3586 cfg80211_scan_done(priv->scan_request, true);
3587 priv->scan_request = NULL;
3590 /* Set current packet filter zero to block receiving data packets from
3593 rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
3599 static const struct driver_info bcm4320b_info = {
3600 .description = "Wireless RNDIS device, BCM4320b based",
3601 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3602 FLAG_AVOID_UNLINK_URBS,
3603 .bind = rndis_wlan_bind,
3604 .unbind = rndis_wlan_unbind,
3605 .status = rndis_status,
3606 .rx_fixup = rndis_rx_fixup,
3607 .tx_fixup = rndis_tx_fixup,
3608 .reset = rndis_wlan_reset,
3609 .stop = rndis_wlan_stop,
3610 .early_init = bcm4320b_early_init,
3611 .indication = rndis_wlan_indication,
3614 static const struct driver_info bcm4320a_info = {
3615 .description = "Wireless RNDIS device, BCM4320a based",
3616 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3617 FLAG_AVOID_UNLINK_URBS,
3618 .bind = rndis_wlan_bind,
3619 .unbind = rndis_wlan_unbind,
3620 .status = rndis_status,
3621 .rx_fixup = rndis_rx_fixup,
3622 .tx_fixup = rndis_tx_fixup,
3623 .reset = rndis_wlan_reset,
3624 .stop = rndis_wlan_stop,
3625 .early_init = bcm4320a_early_init,
3626 .indication = rndis_wlan_indication,
3629 static const struct driver_info rndis_wlan_info = {
3630 .description = "Wireless RNDIS device",
3631 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3632 FLAG_AVOID_UNLINK_URBS,
3633 .bind = rndis_wlan_bind,
3634 .unbind = rndis_wlan_unbind,
3635 .status = rndis_status,
3636 .rx_fixup = rndis_rx_fixup,
3637 .tx_fixup = rndis_tx_fixup,
3638 .reset = rndis_wlan_reset,
3639 .stop = rndis_wlan_stop,
3640 .early_init = unknown_early_init,
3641 .indication = rndis_wlan_indication,
3644 /*-------------------------------------------------------------------------*/
3646 static const struct usb_device_id products [] = {
3647 #define RNDIS_MASTER_INTERFACE \
3648 .bInterfaceClass = USB_CLASS_COMM, \
3649 .bInterfaceSubClass = 2 /* ACM */, \
3650 .bInterfaceProtocol = 0x0ff
3652 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3653 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3656 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3657 | USB_DEVICE_ID_MATCH_DEVICE,
3659 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3660 RNDIS_MASTER_INTERFACE,
3661 .driver_info = (unsigned long) &bcm4320b_info,
3663 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3664 | USB_DEVICE_ID_MATCH_DEVICE,
3666 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3667 RNDIS_MASTER_INTERFACE,
3668 .driver_info = (unsigned long) &bcm4320b_info,
3670 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3671 | USB_DEVICE_ID_MATCH_DEVICE,
3673 .idProduct = 0x011b, /* Belkin F5D7051 */
3674 RNDIS_MASTER_INTERFACE,
3675 .driver_info = (unsigned long) &bcm4320b_info,
3677 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3678 | USB_DEVICE_ID_MATCH_DEVICE,
3679 .idVendor = 0x1799, /* Belkin has two vendor ids */
3680 .idProduct = 0x011b, /* Belkin F5D7051 */
3681 RNDIS_MASTER_INTERFACE,
3682 .driver_info = (unsigned long) &bcm4320b_info,
3684 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3685 | USB_DEVICE_ID_MATCH_DEVICE,
3687 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3688 RNDIS_MASTER_INTERFACE,
3689 .driver_info = (unsigned long) &bcm4320b_info,
3691 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3692 | USB_DEVICE_ID_MATCH_DEVICE,
3694 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3695 RNDIS_MASTER_INTERFACE,
3696 .driver_info = (unsigned long) &bcm4320b_info,
3698 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3699 | USB_DEVICE_ID_MATCH_DEVICE,
3701 .idProduct = 0x1717, /* Asus WL169gE */
3702 RNDIS_MASTER_INTERFACE,
3703 .driver_info = (unsigned long) &bcm4320b_info,
3705 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3706 | USB_DEVICE_ID_MATCH_DEVICE,
3708 .idProduct = 0xd11b, /* Eminent EM4045 */
3709 RNDIS_MASTER_INTERFACE,
3710 .driver_info = (unsigned long) &bcm4320b_info,
3712 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3713 | USB_DEVICE_ID_MATCH_DEVICE,
3715 .idProduct = 0x0715, /* BT Voyager 1055 */
3716 RNDIS_MASTER_INTERFACE,
3717 .driver_info = (unsigned long) &bcm4320b_info,
3719 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3720 * parameters available, hardware probably contain older firmware version with
3721 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3724 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3725 | USB_DEVICE_ID_MATCH_DEVICE,
3727 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3728 RNDIS_MASTER_INTERFACE,
3729 .driver_info = (unsigned long) &bcm4320a_info,
3731 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3732 | USB_DEVICE_ID_MATCH_DEVICE,
3734 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3735 RNDIS_MASTER_INTERFACE,
3736 .driver_info = (unsigned long) &bcm4320a_info,
3738 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3739 | USB_DEVICE_ID_MATCH_DEVICE,
3741 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3742 RNDIS_MASTER_INTERFACE,
3743 .driver_info = (unsigned long) &bcm4320a_info,
3745 /* Generic Wireless RNDIS devices that we don't have exact
3746 * idVendor/idProduct/chip yet.
3749 /* RNDIS is MSFT's un-official variant of CDC ACM */
3750 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3751 .driver_info = (unsigned long) &rndis_wlan_info,
3753 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3754 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3755 .driver_info = (unsigned long) &rndis_wlan_info,
3759 MODULE_DEVICE_TABLE(usb, products);
3761 static struct usb_driver rndis_wlan_driver = {
3762 .name = "rndis_wlan",
3763 .id_table = products,
3764 .probe = usbnet_probe,
3765 .disconnect = usbnet_disconnect,
3766 .suspend = usbnet_suspend,
3767 .resume = usbnet_resume,
3770 static int __init rndis_wlan_init(void)
3772 return usb_register(&rndis_wlan_driver);
3774 module_init(rndis_wlan_init);
3776 static void __exit rndis_wlan_exit(void)
3778 usb_deregister(&rndis_wlan_driver);
3780 module_exit(rndis_wlan_exit);
3782 MODULE_AUTHOR("Bjorge Dijkstra");
3783 MODULE_AUTHOR("Jussi Kivilinna");
3784 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3785 MODULE_LICENSE("GPL");