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@iki.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, see <http://www.gnu.org/licenses/>.
20 * Portions of this file are based on NDISwrapper project,
21 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
22 * http://ndiswrapper.sourceforge.net/
25 // #define DEBUG // error path messages, extra info
26 // #define VERBOSE // more; success messages
28 #include <linux/module.h>
29 #include <linux/netdevice.h>
30 #include <linux/etherdevice.h>
31 #include <linux/ethtool.h>
32 #include <linux/workqueue.h>
33 #include <linux/mutex.h>
34 #include <linux/mii.h>
35 #include <linux/usb.h>
36 #include <linux/usb/cdc.h>
37 #include <linux/ieee80211.h>
38 #include <linux/if_arp.h>
39 #include <linux/ctype.h>
40 #include <linux/spinlock.h>
41 #include <linux/slab.h>
42 #include <net/cfg80211.h>
43 #include <linux/usb/usbnet.h>
44 #include <linux/usb/rndis_host.h>
47 /* NOTE: All these are settings for Broadcom chipset */
48 static char modparam_country[4] = "EU";
49 module_param_string(country, modparam_country, 4, 0444);
50 MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
52 static int modparam_frameburst = 1;
53 module_param_named(frameburst, modparam_frameburst, int, 0444);
54 MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
56 static int modparam_afterburner = 0;
57 module_param_named(afterburner, modparam_afterburner, int, 0444);
58 MODULE_PARM_DESC(afterburner,
59 "enable afterburner aka '125 High Speed Mode' (default: off)");
61 static int modparam_power_save = 0;
62 module_param_named(power_save, modparam_power_save, int, 0444);
63 MODULE_PARM_DESC(power_save,
64 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
66 static int modparam_power_output = 3;
67 module_param_named(power_output, modparam_power_output, int, 0444);
68 MODULE_PARM_DESC(power_output,
69 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
71 static int modparam_roamtrigger = -70;
72 module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
73 MODULE_PARM_DESC(roamtrigger,
74 "set roaming dBm trigger: -80=optimize for distance, "
75 "-60=bandwidth (default: -70)");
77 static int modparam_roamdelta = 1;
78 module_param_named(roamdelta, modparam_roamdelta, int, 0444);
79 MODULE_PARM_DESC(roamdelta,
80 "set roaming tendency: 0=aggressive, 1=moderate, "
81 "2=conservative (default: moderate)");
83 static int modparam_workaround_interval;
84 module_param_named(workaround_interval, modparam_workaround_interval,
86 MODULE_PARM_DESC(workaround_interval,
87 "set stall workaround interval in msecs (0=disabled) (default: 0)");
89 /* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
90 #define WL_NOISE -96 /* typical noise level in dBm */
91 #define WL_SIGMAX -32 /* typical maximum signal level in dBm */
94 /* Assume that Broadcom 4320 (only chipset at time of writing known to be
95 * based on wireless rndis) has default txpower of 13dBm.
96 * This value is from Linksys WUSB54GSC User Guide, Appendix F: Specifications.
97 * 100% : 20 mW ~ 13dBm
102 #define BCM4320_DEFAULT_TXPOWER_DBM_100 13
103 #define BCM4320_DEFAULT_TXPOWER_DBM_75 12
104 #define BCM4320_DEFAULT_TXPOWER_DBM_50 10
105 #define BCM4320_DEFAULT_TXPOWER_DBM_25 7
107 /* Known device types */
108 #define RNDIS_UNKNOWN 0
109 #define RNDIS_BCM4320A 1
110 #define RNDIS_BCM4320B 2
113 /* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
114 * slightly modified for datatype endianess, etc
116 #define NDIS_802_11_LENGTH_SSID 32
117 #define NDIS_802_11_LENGTH_RATES 8
118 #define NDIS_802_11_LENGTH_RATES_EX 16
120 enum ndis_80211_net_type {
121 NDIS_80211_TYPE_FREQ_HOP,
122 NDIS_80211_TYPE_DIRECT_SEQ,
123 NDIS_80211_TYPE_OFDM_A,
124 NDIS_80211_TYPE_OFDM_G
127 enum ndis_80211_net_infra {
128 NDIS_80211_INFRA_ADHOC,
129 NDIS_80211_INFRA_INFRA,
130 NDIS_80211_INFRA_AUTO_UNKNOWN
133 enum ndis_80211_auth_mode {
134 NDIS_80211_AUTH_OPEN,
135 NDIS_80211_AUTH_SHARED,
136 NDIS_80211_AUTH_AUTO_SWITCH,
138 NDIS_80211_AUTH_WPA_PSK,
139 NDIS_80211_AUTH_WPA_NONE,
140 NDIS_80211_AUTH_WPA2,
141 NDIS_80211_AUTH_WPA2_PSK
144 enum ndis_80211_encr_status {
145 NDIS_80211_ENCR_WEP_ENABLED,
146 NDIS_80211_ENCR_DISABLED,
147 NDIS_80211_ENCR_WEP_KEY_ABSENT,
148 NDIS_80211_ENCR_NOT_SUPPORTED,
149 NDIS_80211_ENCR_TKIP_ENABLED,
150 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
151 NDIS_80211_ENCR_CCMP_ENABLED,
152 NDIS_80211_ENCR_CCMP_KEY_ABSENT
155 enum ndis_80211_priv_filter {
156 NDIS_80211_PRIV_ACCEPT_ALL,
157 NDIS_80211_PRIV_8021X_WEP
160 enum ndis_80211_status_type {
161 NDIS_80211_STATUSTYPE_AUTHENTICATION,
162 NDIS_80211_STATUSTYPE_MEDIASTREAMMODE,
163 NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST,
164 NDIS_80211_STATUSTYPE_RADIOSTATE,
167 enum ndis_80211_media_stream_mode {
168 NDIS_80211_MEDIA_STREAM_OFF,
169 NDIS_80211_MEDIA_STREAM_ON
172 enum ndis_80211_radio_status {
173 NDIS_80211_RADIO_STATUS_ON,
174 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
175 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
178 enum ndis_80211_addkey_bits {
179 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
180 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
181 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
182 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
185 enum ndis_80211_addwep_bits {
186 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
187 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
190 enum ndis_80211_power_mode {
191 NDIS_80211_POWER_MODE_CAM,
192 NDIS_80211_POWER_MODE_MAX_PSP,
193 NDIS_80211_POWER_MODE_FAST_PSP,
196 enum ndis_80211_pmkid_cand_list_flag_bits {
197 NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
200 struct ndis_80211_auth_request {
207 struct ndis_80211_pmkid_candidate {
213 struct ndis_80211_pmkid_cand_list {
215 __le32 num_candidates;
216 struct ndis_80211_pmkid_candidate candidate_list[0];
219 struct ndis_80211_status_indication {
222 __le32 media_stream_mode;
224 struct ndis_80211_auth_request auth_request[0];
225 struct ndis_80211_pmkid_cand_list cand_list;
229 struct ndis_80211_ssid {
231 u8 essid[NDIS_802_11_LENGTH_SSID];
234 struct ndis_80211_conf_freq_hop {
241 struct ndis_80211_conf {
243 __le32 beacon_period;
246 struct ndis_80211_conf_freq_hop fh_config;
249 struct ndis_80211_bssid_ex {
253 struct ndis_80211_ssid ssid;
257 struct ndis_80211_conf config;
259 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
264 struct ndis_80211_bssid_list_ex {
266 struct ndis_80211_bssid_ex bssid[0];
269 struct ndis_80211_fixed_ies {
271 __le16 beacon_interval;
275 struct ndis_80211_wep_key {
282 struct ndis_80211_key {
292 struct ndis_80211_remove_key {
299 struct ndis_config_param {
307 struct ndis_80211_assoc_info {
312 __le16 listen_interval;
313 u8 cur_ap_address[6];
315 __le32 req_ie_length;
316 __le32 offset_req_ies;
323 __le32 resp_ie_length;
324 __le32 offset_resp_ies;
327 struct ndis_80211_auth_encr_pair {
332 struct ndis_80211_capability {
336 __le32 num_auth_encr_pair;
337 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
340 struct ndis_80211_bssid_info {
345 struct ndis_80211_pmkid {
347 __le32 bssid_info_count;
348 struct ndis_80211_bssid_info bssid_info[0];
354 #define CAP_MODE_80211A 1
355 #define CAP_MODE_80211B 2
356 #define CAP_MODE_80211G 4
357 #define CAP_MODE_MASK 7
359 #define WORK_LINK_UP (1<<0)
360 #define WORK_LINK_DOWN (1<<1)
361 #define WORK_SET_MULTICAST_LIST (1<<2)
363 #define RNDIS_WLAN_ALG_NONE 0
364 #define RNDIS_WLAN_ALG_WEP (1<<0)
365 #define RNDIS_WLAN_ALG_TKIP (1<<1)
366 #define RNDIS_WLAN_ALG_CCMP (1<<2)
368 #define RNDIS_WLAN_NUM_KEYS 4
369 #define RNDIS_WLAN_KEY_MGMT_NONE 0
370 #define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
371 #define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
373 #define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
375 static const struct ieee80211_channel rndis_channels[] = {
376 { .center_freq = 2412 },
377 { .center_freq = 2417 },
378 { .center_freq = 2422 },
379 { .center_freq = 2427 },
380 { .center_freq = 2432 },
381 { .center_freq = 2437 },
382 { .center_freq = 2442 },
383 { .center_freq = 2447 },
384 { .center_freq = 2452 },
385 { .center_freq = 2457 },
386 { .center_freq = 2462 },
387 { .center_freq = 2467 },
388 { .center_freq = 2472 },
389 { .center_freq = 2484 },
392 static const struct ieee80211_rate rndis_rates[] = {
394 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
395 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
396 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
407 static const u32 rndis_cipher_suites[] = {
408 WLAN_CIPHER_SUITE_WEP40,
409 WLAN_CIPHER_SUITE_WEP104,
410 WLAN_CIPHER_SUITE_TKIP,
411 WLAN_CIPHER_SUITE_CCMP,
414 struct rndis_wlan_encr_key {
423 /* RNDIS device private data */
424 struct rndis_wlan_private {
425 struct usbnet *usbdev;
427 struct wireless_dev wdev;
429 struct cfg80211_scan_request *scan_request;
431 struct workqueue_struct *workqueue;
432 struct delayed_work dev_poller_work;
433 struct delayed_work scan_work;
434 struct work_struct work;
435 struct mutex command_lock;
436 unsigned long work_pending;
440 int last_cqm_event_rssi;
442 struct ieee80211_supported_band band;
443 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
444 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
445 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
451 /* module parameters */
452 char param_country[4];
453 int param_frameburst;
454 int param_afterburner;
455 int param_power_save;
456 int param_power_output;
457 int param_roamtrigger;
459 u32 param_workaround_interval;
467 u32 current_command_oid;
469 /* encryption stuff */
470 u8 encr_tx_key_index;
471 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
474 u8 command_buffer[COMMAND_BUFFER_SIZE];
480 static int rndis_change_virtual_intf(struct wiphy *wiphy,
481 struct net_device *dev,
482 enum nl80211_iftype type, u32 *flags,
483 struct vif_params *params);
485 static int rndis_scan(struct wiphy *wiphy,
486 struct cfg80211_scan_request *request);
488 static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
490 static int rndis_set_tx_power(struct wiphy *wiphy,
491 struct wireless_dev *wdev,
492 enum nl80211_tx_power_setting type,
494 static int rndis_get_tx_power(struct wiphy *wiphy,
495 struct wireless_dev *wdev,
498 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
499 struct cfg80211_connect_params *sme);
501 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
504 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
505 struct cfg80211_ibss_params *params);
507 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
509 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
510 u8 key_index, bool pairwise, const u8 *mac_addr,
511 struct key_params *params);
513 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
514 u8 key_index, bool pairwise, const u8 *mac_addr);
516 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
517 u8 key_index, bool unicast, bool multicast);
519 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
520 u8 *mac, struct station_info *sinfo);
522 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
523 int idx, u8 *mac, struct station_info *sinfo);
525 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
526 struct cfg80211_pmksa *pmksa);
528 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
529 struct cfg80211_pmksa *pmksa);
531 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
533 static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
534 bool enabled, int timeout);
536 static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
537 struct net_device *dev,
538 s32 rssi_thold, u32 rssi_hyst);
540 static const struct cfg80211_ops rndis_config_ops = {
541 .change_virtual_intf = rndis_change_virtual_intf,
543 .set_wiphy_params = rndis_set_wiphy_params,
544 .set_tx_power = rndis_set_tx_power,
545 .get_tx_power = rndis_get_tx_power,
546 .connect = rndis_connect,
547 .disconnect = rndis_disconnect,
548 .join_ibss = rndis_join_ibss,
549 .leave_ibss = rndis_leave_ibss,
550 .add_key = rndis_add_key,
551 .del_key = rndis_del_key,
552 .set_default_key = rndis_set_default_key,
553 .get_station = rndis_get_station,
554 .dump_station = rndis_dump_station,
555 .set_pmksa = rndis_set_pmksa,
556 .del_pmksa = rndis_del_pmksa,
557 .flush_pmksa = rndis_flush_pmksa,
558 .set_power_mgmt = rndis_set_power_mgmt,
559 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
562 static void *rndis_wiphy_privid = &rndis_wiphy_privid;
565 static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
567 return (struct rndis_wlan_private *)dev->driver_priv;
570 static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
572 switch (priv->param_power_output) {
575 return BCM4320_DEFAULT_TXPOWER_DBM_100;
577 return BCM4320_DEFAULT_TXPOWER_DBM_75;
579 return BCM4320_DEFAULT_TXPOWER_DBM_50;
581 return BCM4320_DEFAULT_TXPOWER_DBM_25;
585 static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
587 int cipher = priv->encr_keys[idx].cipher;
589 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
590 cipher == WLAN_CIPHER_SUITE_TKIP);
593 static int rndis_cipher_to_alg(u32 cipher)
597 return RNDIS_WLAN_ALG_NONE;
598 case WLAN_CIPHER_SUITE_WEP40:
599 case WLAN_CIPHER_SUITE_WEP104:
600 return RNDIS_WLAN_ALG_WEP;
601 case WLAN_CIPHER_SUITE_TKIP:
602 return RNDIS_WLAN_ALG_TKIP;
603 case WLAN_CIPHER_SUITE_CCMP:
604 return RNDIS_WLAN_ALG_CCMP;
608 static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
612 return RNDIS_WLAN_KEY_MGMT_NONE;
613 case WLAN_AKM_SUITE_8021X:
614 return RNDIS_WLAN_KEY_MGMT_802_1X;
615 case WLAN_AKM_SUITE_PSK:
616 return RNDIS_WLAN_KEY_MGMT_PSK;
621 static const char *oid_to_string(u32 oid)
624 #define OID_STR(oid) case oid: return(#oid)
625 /* from rndis_host.h */
626 OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS);
627 OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE);
628 OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER);
629 OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM);
631 /* from rndis_wlan.c */
632 OID_STR(RNDIS_OID_GEN_LINK_SPEED);
633 OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER);
635 OID_STR(RNDIS_OID_GEN_XMIT_OK);
636 OID_STR(RNDIS_OID_GEN_RCV_OK);
637 OID_STR(RNDIS_OID_GEN_XMIT_ERROR);
638 OID_STR(RNDIS_OID_GEN_RCV_ERROR);
639 OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER);
641 OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS);
642 OID_STR(RNDIS_OID_802_3_MULTICAST_LIST);
643 OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE);
645 OID_STR(RNDIS_OID_802_11_BSSID);
646 OID_STR(RNDIS_OID_802_11_SSID);
647 OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE);
648 OID_STR(RNDIS_OID_802_11_ADD_WEP);
649 OID_STR(RNDIS_OID_802_11_REMOVE_WEP);
650 OID_STR(RNDIS_OID_802_11_DISASSOCIATE);
651 OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE);
652 OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER);
653 OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN);
654 OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS);
655 OID_STR(RNDIS_OID_802_11_ADD_KEY);
656 OID_STR(RNDIS_OID_802_11_REMOVE_KEY);
657 OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION);
658 OID_STR(RNDIS_OID_802_11_CAPABILITY);
659 OID_STR(RNDIS_OID_802_11_PMKID);
660 OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED);
661 OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE);
662 OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL);
663 OID_STR(RNDIS_OID_802_11_RSSI);
664 OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER);
665 OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD);
666 OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD);
667 OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES);
668 OID_STR(RNDIS_OID_802_11_CONFIGURATION);
669 OID_STR(RNDIS_OID_802_11_POWER_MODE);
670 OID_STR(RNDIS_OID_802_11_BSSID_LIST);
677 static const char *oid_to_string(u32 oid)
683 /* translate error code */
684 static int rndis_error_status(__le32 rndis_status)
687 switch (le32_to_cpu(rndis_status)) {
688 case RNDIS_STATUS_SUCCESS:
691 case RNDIS_STATUS_FAILURE:
692 case RNDIS_STATUS_INVALID_DATA:
695 case RNDIS_STATUS_NOT_SUPPORTED:
698 case RNDIS_STATUS_ADAPTER_NOT_READY:
699 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
706 static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len)
708 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
711 struct rndis_msg_hdr *header;
712 struct rndis_query *get;
713 struct rndis_query_c *get_c;
716 int resplen, respoffs, copylen;
718 buflen = *len + sizeof(*u.get);
719 if (buflen < CONTROL_BUFFER_SIZE)
720 buflen = CONTROL_BUFFER_SIZE;
722 if (buflen > COMMAND_BUFFER_SIZE) {
723 u.buf = kmalloc(buflen, GFP_KERNEL);
727 u.buf = priv->command_buffer;
730 mutex_lock(&priv->command_lock);
732 memset(u.get, 0, sizeof *u.get);
733 u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY);
734 u.get->msg_len = cpu_to_le32(sizeof *u.get);
735 u.get->oid = cpu_to_le32(oid);
737 priv->current_command_oid = oid;
738 ret = rndis_command(dev, u.header, buflen);
739 priv->current_command_oid = 0;
741 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
742 __func__, oid_to_string(oid), ret,
743 le32_to_cpu(u.get_c->status));
746 resplen = le32_to_cpu(u.get_c->len);
747 respoffs = le32_to_cpu(u.get_c->offset) + 8;
749 if (respoffs > buflen) {
750 /* Device returned data offset outside buffer, error. */
751 netdev_dbg(dev->net, "%s(%s): received invalid "
752 "data offset: %d > %d\n", __func__,
753 oid_to_string(oid), respoffs, buflen);
759 if ((resplen + respoffs) > buflen) {
760 /* Device would have returned more data if buffer would
761 * have been big enough. Copy just the bits that we got.
763 copylen = buflen - respoffs;
771 memcpy(data, u.buf + respoffs, copylen);
775 ret = rndis_error_status(u.get_c->status);
777 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
778 __func__, oid_to_string(oid),
779 le32_to_cpu(u.get_c->status), ret);
783 mutex_unlock(&priv->command_lock);
785 if (u.buf != priv->command_buffer)
790 static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data,
793 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
796 struct rndis_msg_hdr *header;
797 struct rndis_set *set;
798 struct rndis_set_c *set_c;
802 buflen = len + sizeof(*u.set);
803 if (buflen < CONTROL_BUFFER_SIZE)
804 buflen = CONTROL_BUFFER_SIZE;
806 if (buflen > COMMAND_BUFFER_SIZE) {
807 u.buf = kmalloc(buflen, GFP_KERNEL);
811 u.buf = priv->command_buffer;
814 mutex_lock(&priv->command_lock);
816 memset(u.set, 0, sizeof *u.set);
817 u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET);
818 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
819 u.set->oid = cpu_to_le32(oid);
820 u.set->len = cpu_to_le32(len);
821 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
822 u.set->handle = cpu_to_le32(0);
823 memcpy(u.buf + sizeof(*u.set), data, len);
825 priv->current_command_oid = oid;
826 ret = rndis_command(dev, u.header, buflen);
827 priv->current_command_oid = 0;
829 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
830 __func__, oid_to_string(oid), ret,
831 le32_to_cpu(u.set_c->status));
834 ret = rndis_error_status(u.set_c->status);
837 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
838 __func__, oid_to_string(oid),
839 le32_to_cpu(u.set_c->status), ret);
842 mutex_unlock(&priv->command_lock);
844 if (u.buf != priv->command_buffer)
849 static int rndis_reset(struct usbnet *usbdev)
851 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
852 struct rndis_reset *reset;
855 mutex_lock(&priv->command_lock);
857 reset = (void *)priv->command_buffer;
858 memset(reset, 0, sizeof(*reset));
859 reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET);
860 reset->msg_len = cpu_to_le32(sizeof(*reset));
861 priv->current_command_oid = 0;
862 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
864 mutex_unlock(&priv->command_lock);
872 * Specs say that we can only set config parameters only soon after device
874 * value_type: 0 = u32, 2 = unicode string
876 static int rndis_set_config_parameter(struct usbnet *dev, char *param,
877 int value_type, void *value)
879 struct ndis_config_param *infobuf;
880 int value_len, info_len, param_len, ret, i;
885 value_len = sizeof(__le32);
886 else if (value_type == 2)
887 value_len = strlen(value) * sizeof(__le16);
891 param_len = strlen(param) * sizeof(__le16);
892 info_len = sizeof(*infobuf) + param_len + value_len;
897 infobuf = kmalloc(info_len, GFP_KERNEL);
903 /* extra 12 bytes are for padding (debug output) */
904 memset(infobuf, 0xCC, info_len + 12);
908 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
911 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
912 param, *(u32 *)value);
914 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
915 infobuf->name_length = cpu_to_le32(param_len);
916 infobuf->type = cpu_to_le32(value_type);
917 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
918 infobuf->value_length = cpu_to_le32(value_len);
920 /* simple string to unicode string conversion */
921 unibuf = (void *)infobuf + sizeof(*infobuf);
922 for (i = 0; i < param_len / sizeof(__le16); i++)
923 unibuf[i] = cpu_to_le16(param[i]);
925 if (value_type == 2) {
926 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len;
927 for (i = 0; i < value_len / sizeof(__le16); i++)
928 unibuf[i] = cpu_to_le16(((u8 *)value)[i]);
930 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
931 *dst_value = cpu_to_le32(*(u32 *)value);
935 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
936 for (i = 0; i < info_len; i += 12) {
937 u32 *tmp = (u32 *)((u8 *)infobuf + i);
938 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
941 cpu_to_be32(tmp[2]));
945 ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER,
948 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
955 static int rndis_set_config_parameter_str(struct usbnet *dev,
956 char *param, char *value)
958 return rndis_set_config_parameter(dev, param, 2, value);
962 * data conversion functions
964 static int level_to_qual(int level)
966 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
967 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
973 static int set_infra_mode(struct usbnet *usbdev, int mode);
974 static void restore_keys(struct usbnet *usbdev);
975 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
978 static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
982 /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
983 tmp = cpu_to_le32(1);
984 return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp,
988 static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
990 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
993 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID,
994 ssid, sizeof(*ssid));
996 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
1000 priv->radio_on = true;
1001 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
1007 static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
1011 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID,
1014 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1022 static int clear_bssid(struct usbnet *usbdev)
1024 static const u8 broadcast_mac[ETH_ALEN] = {
1025 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1028 return set_bssid(usbdev, broadcast_mac);
1031 static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1036 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID,
1040 memset(bssid, 0, ETH_ALEN);
1045 static int get_association_info(struct usbnet *usbdev,
1046 struct ndis_80211_assoc_info *info, int len)
1048 return rndis_query_oid(usbdev,
1049 RNDIS_OID_802_11_ASSOCIATION_INFORMATION,
1053 static bool is_associated(struct usbnet *usbdev)
1055 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1059 if (!priv->radio_on)
1062 ret = get_bssid(usbdev, bssid);
1064 return (ret == 0 && !is_zero_ether_addr(bssid));
1067 static int disassociate(struct usbnet *usbdev, bool reset_ssid)
1069 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1070 struct ndis_80211_ssid ssid;
1073 if (priv->radio_on) {
1074 ret = rndis_set_oid(usbdev,
1075 RNDIS_OID_802_11_DISASSOCIATE,
1078 priv->radio_on = false;
1079 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1087 /* disassociate causes radio to be turned off; if reset_ssid
1088 * is given, set random ssid to enable radio */
1090 /* Set device to infrastructure mode so we don't get ad-hoc
1091 * 'media connect' indications with the random ssid.
1093 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1095 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1096 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1097 ssid.essid[0] = 0x1;
1098 ssid.essid[1] = 0xff;
1099 for (i = 2; i < sizeof(ssid.essid); i++)
1100 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
1101 ret = set_essid(usbdev, &ssid);
1106 static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1107 enum nl80211_auth_type auth_type, int keymgmt)
1109 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1113 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1114 __func__, wpa_version, auth_type, keymgmt);
1116 if (wpa_version & NL80211_WPA_VERSION_2) {
1117 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1118 auth_mode = NDIS_80211_AUTH_WPA2;
1120 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
1121 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1122 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
1123 auth_mode = NDIS_80211_AUTH_WPA;
1124 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
1125 auth_mode = NDIS_80211_AUTH_WPA_PSK;
1127 auth_mode = NDIS_80211_AUTH_WPA_NONE;
1128 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1129 auth_mode = NDIS_80211_AUTH_SHARED;
1130 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
1131 auth_mode = NDIS_80211_AUTH_OPEN;
1132 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1133 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
1137 tmp = cpu_to_le32(auth_mode);
1138 ret = rndis_set_oid(usbdev,
1139 RNDIS_OID_802_11_AUTHENTICATION_MODE,
1142 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1147 priv->wpa_version = wpa_version;
1152 static int set_priv_filter(struct usbnet *usbdev)
1154 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1157 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1158 __func__, priv->wpa_version);
1160 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1161 priv->wpa_version & NL80211_WPA_VERSION_1)
1162 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
1164 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
1166 return rndis_set_oid(usbdev,
1167 RNDIS_OID_802_11_PRIVACY_FILTER, &tmp,
1171 static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1176 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1177 __func__, pairwise, groupwise);
1179 if (pairwise & RNDIS_WLAN_ALG_CCMP)
1180 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1181 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
1182 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1183 else if (pairwise & RNDIS_WLAN_ALG_WEP)
1184 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
1185 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
1186 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
1187 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
1188 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
1190 encr_mode = NDIS_80211_ENCR_DISABLED;
1192 tmp = cpu_to_le32(encr_mode);
1193 ret = rndis_set_oid(usbdev,
1194 RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp,
1197 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1205 static int set_infra_mode(struct usbnet *usbdev, int mode)
1207 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1211 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1212 __func__, priv->infra_mode);
1214 tmp = cpu_to_le32(mode);
1215 ret = rndis_set_oid(usbdev,
1216 RNDIS_OID_802_11_INFRASTRUCTURE_MODE,
1219 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1224 /* NDIS drivers clear keys when infrastructure mode is
1225 * changed. But Linux tools assume otherwise. So set the
1227 restore_keys(usbdev);
1229 priv->infra_mode = mode;
1233 static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1237 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
1239 if (rts_threshold < 0 || rts_threshold > 2347)
1240 rts_threshold = 2347;
1242 tmp = cpu_to_le32(rts_threshold);
1243 return rndis_set_oid(usbdev,
1244 RNDIS_OID_802_11_RTS_THRESHOLD,
1248 static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1252 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
1254 if (frag_threshold < 256 || frag_threshold > 2346)
1255 frag_threshold = 2346;
1257 tmp = cpu_to_le32(frag_threshold);
1258 return rndis_set_oid(usbdev,
1259 RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD,
1263 static void set_default_iw_params(struct usbnet *usbdev)
1265 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1266 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1267 RNDIS_WLAN_KEY_MGMT_NONE);
1268 set_priv_filter(usbdev);
1269 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1272 static int deauthenticate(struct usbnet *usbdev)
1276 ret = disassociate(usbdev, true);
1277 set_default_iw_params(usbdev);
1281 static int set_channel(struct usbnet *usbdev, int channel)
1283 struct ndis_80211_conf config;
1284 unsigned int dsconfig;
1287 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
1289 /* this OID is valid only when not associated */
1290 if (is_associated(usbdev))
1293 dsconfig = ieee80211_dsss_chan_to_freq(channel) * 1000;
1295 len = sizeof(config);
1296 ret = rndis_query_oid(usbdev,
1297 RNDIS_OID_802_11_CONFIGURATION,
1300 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1305 config.ds_config = cpu_to_le32(dsconfig);
1306 ret = rndis_set_oid(usbdev,
1307 RNDIS_OID_802_11_CONFIGURATION,
1308 &config, sizeof(config));
1310 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
1315 static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
1318 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1319 struct ieee80211_channel *channel;
1320 struct ndis_80211_conf config;
1323 /* Get channel and beacon interval */
1324 len = sizeof(config);
1325 ret = rndis_query_oid(usbdev,
1326 RNDIS_OID_802_11_CONFIGURATION,
1328 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
1333 channel = ieee80211_get_channel(priv->wdev.wiphy,
1334 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
1339 *beacon_period = le32_to_cpu(config.beacon_period);
1343 /* index must be 0 - N, as per NDIS */
1344 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
1347 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1348 struct ndis_80211_wep_key ndis_key;
1352 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1353 __func__, index, key_len);
1355 if (index >= RNDIS_WLAN_NUM_KEYS)
1359 cipher = WLAN_CIPHER_SUITE_WEP40;
1360 else if (key_len == 13)
1361 cipher = WLAN_CIPHER_SUITE_WEP104;
1365 memset(&ndis_key, 0, sizeof(ndis_key));
1367 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1368 ndis_key.length = cpu_to_le32(key_len);
1369 ndis_key.index = cpu_to_le32(index);
1370 memcpy(&ndis_key.material, key, key_len);
1372 if (index == priv->encr_tx_key_index) {
1373 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
1374 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1375 RNDIS_WLAN_ALG_NONE);
1377 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1381 ret = rndis_set_oid(usbdev,
1382 RNDIS_OID_802_11_ADD_WEP, &ndis_key,
1385 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1390 priv->encr_keys[index].len = key_len;
1391 priv->encr_keys[index].cipher = cipher;
1392 memcpy(&priv->encr_keys[index].material, key, key_len);
1393 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1398 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
1399 u8 index, const u8 *addr, const u8 *rx_seq,
1400 int seq_len, u32 cipher, __le32 flags)
1402 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1403 struct ndis_80211_key ndis_key;
1407 if (index >= RNDIS_WLAN_NUM_KEYS) {
1408 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1412 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
1413 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1417 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1418 if (!rx_seq || seq_len <= 0) {
1419 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1423 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
1424 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
1429 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1430 !is_broadcast_ether_addr(addr);
1431 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
1432 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1437 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1439 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1440 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1441 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
1443 memset(&ndis_key, 0, sizeof(ndis_key));
1445 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1446 sizeof(ndis_key.material) + key_len);
1447 ndis_key.length = cpu_to_le32(key_len);
1448 ndis_key.index = cpu_to_le32(index) | flags;
1450 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
1451 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1452 * different order than NDIS spec, so swap the order here. */
1453 memcpy(ndis_key.material, key, 16);
1454 memcpy(ndis_key.material + 16, key + 24, 8);
1455 memcpy(ndis_key.material + 24, key + 16, 8);
1457 memcpy(ndis_key.material, key, key_len);
1459 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
1460 memcpy(ndis_key.rsc, rx_seq, seq_len);
1462 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
1464 memcpy(ndis_key.bssid, addr, ETH_ALEN);
1467 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
1468 memset(ndis_key.bssid, 0xff, ETH_ALEN);
1470 get_bssid(usbdev, ndis_key.bssid);
1473 ret = rndis_set_oid(usbdev,
1474 RNDIS_OID_802_11_ADD_KEY, &ndis_key,
1475 le32_to_cpu(ndis_key.size));
1476 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
1481 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1482 priv->encr_keys[index].len = key_len;
1483 priv->encr_keys[index].cipher = cipher;
1484 memcpy(&priv->encr_keys[index].material, key, key_len);
1485 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1486 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1488 memset(&priv->encr_keys[index].bssid, 0xff, ETH_ALEN);
1490 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
1491 priv->encr_tx_key_index = index;
1496 static int restore_key(struct usbnet *usbdev, u8 key_idx)
1498 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1499 struct rndis_wlan_encr_key key;
1501 if (is_wpa_key(priv, key_idx))
1504 key = priv->encr_keys[key_idx];
1506 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
1511 return add_wep_key(usbdev, key.material, key.len, key_idx);
1514 static void restore_keys(struct usbnet *usbdev)
1518 for (i = 0; i < 4; i++)
1519 restore_key(usbdev, i);
1522 static void clear_key(struct rndis_wlan_private *priv, u8 idx)
1524 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1527 /* remove_key is for both wep and wpa */
1528 static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
1530 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1531 struct ndis_80211_remove_key remove_key;
1536 if (index >= RNDIS_WLAN_NUM_KEYS)
1539 if (priv->encr_keys[index].len == 0)
1542 is_wpa = is_wpa_key(priv, index);
1544 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1545 __func__, index, is_wpa ? "wpa" : "wep",
1546 priv->encr_keys[index].len);
1548 clear_key(priv, index);
1551 remove_key.size = cpu_to_le32(sizeof(remove_key));
1552 remove_key.index = cpu_to_le32(index);
1555 if (!is_broadcast_ether_addr(bssid))
1557 NDIS_80211_ADDKEY_PAIRWISE_KEY;
1558 memcpy(remove_key.bssid, bssid,
1559 sizeof(remove_key.bssid));
1561 memset(remove_key.bssid, 0xff,
1562 sizeof(remove_key.bssid));
1564 ret = rndis_set_oid(usbdev,
1565 RNDIS_OID_802_11_REMOVE_KEY,
1566 &remove_key, sizeof(remove_key));
1570 keyindex = cpu_to_le32(index);
1571 ret = rndis_set_oid(usbdev,
1572 RNDIS_OID_802_11_REMOVE_WEP,
1573 &keyindex, sizeof(keyindex));
1575 netdev_warn(usbdev->net,
1576 "removing encryption key %d failed (%08X)\n",
1582 /* if it is transmit key, disable encryption */
1583 if (index == priv->encr_tx_key_index)
1584 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
1589 static void set_multicast_list(struct usbnet *usbdev)
1591 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1592 struct netdev_hw_addr *ha;
1593 __le32 filter, basefilter;
1595 char *mc_addrs = NULL;
1598 basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED |
1599 RNDIS_PACKET_TYPE_BROADCAST);
1601 if (usbdev->net->flags & IFF_PROMISC) {
1602 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS |
1603 RNDIS_PACKET_TYPE_ALL_LOCAL);
1604 } else if (usbdev->net->flags & IFF_ALLMULTI) {
1605 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
1608 if (filter != basefilter)
1612 * mc_list should be accessed holding the lock, so copy addresses to
1613 * local buffer first.
1615 netif_addr_lock_bh(usbdev->net);
1616 mc_count = netdev_mc_count(usbdev->net);
1617 if (mc_count > priv->multicast_size) {
1618 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
1619 } else if (mc_count) {
1622 mc_addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC);
1624 netif_addr_unlock_bh(usbdev->net);
1628 netdev_for_each_mc_addr(ha, usbdev->net)
1629 memcpy(mc_addrs + i++ * ETH_ALEN,
1630 ha->addr, ETH_ALEN);
1632 netif_addr_unlock_bh(usbdev->net);
1634 if (filter != basefilter)
1638 ret = rndis_set_oid(usbdev,
1639 RNDIS_OID_802_3_MULTICAST_LIST,
1640 mc_addrs, mc_count * ETH_ALEN);
1643 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST);
1645 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
1647 netdev_dbg(usbdev->net, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
1648 mc_count, priv->multicast_size, ret);
1652 ret = rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
1655 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1656 le32_to_cpu(filter));
1659 netdev_dbg(usbdev->net, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
1660 le32_to_cpu(filter), ret);
1664 static void debug_print_pmkids(struct usbnet *usbdev,
1665 struct ndis_80211_pmkid *pmkids,
1666 const char *func_str)
1668 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1669 int i, len, count, max_pmkids, entry_len;
1671 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1672 len = le32_to_cpu(pmkids->length);
1673 count = le32_to_cpu(pmkids->bssid_info_count);
1675 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1677 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1678 "%d)\n", func_str, count, len, entry_len);
1680 if (count > max_pmkids)
1683 for (i = 0; i < count; i++) {
1684 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1686 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1687 "pmkid: %08X:%08X:%08X:%08X\n",
1688 func_str, pmkids->bssid_info[i].bssid,
1689 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1690 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1694 static void debug_print_pmkids(struct usbnet *usbdev,
1695 struct ndis_80211_pmkid *pmkids,
1696 const char *func_str)
1702 static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1704 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1705 struct ndis_80211_pmkid *pmkids;
1706 int len, ret, max_pmkids;
1708 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1709 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1711 pmkids = kzalloc(len, GFP_KERNEL);
1713 return ERR_PTR(-ENOMEM);
1715 pmkids->length = cpu_to_le32(len);
1716 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1718 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_PMKID,
1721 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
1722 " -> %d\n", __func__, len, max_pmkids, ret);
1725 return ERR_PTR(ret);
1728 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1729 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1731 debug_print_pmkids(usbdev, pmkids, __func__);
1736 static int set_device_pmkids(struct usbnet *usbdev,
1737 struct ndis_80211_pmkid *pmkids)
1739 int ret, len, num_pmkids;
1741 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1742 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1743 pmkids->length = cpu_to_le32(len);
1745 debug_print_pmkids(usbdev, pmkids, __func__);
1747 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, pmkids,
1748 le32_to_cpu(pmkids->length));
1750 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
1751 "\n", __func__, len, num_pmkids, ret);
1758 static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1759 struct ndis_80211_pmkid *pmkids,
1760 struct cfg80211_pmksa *pmksa,
1766 count = le32_to_cpu(pmkids->bssid_info_count);
1768 if (count > max_pmkids)
1771 for (i = 0; i < count; i++)
1772 if (ether_addr_equal(pmkids->bssid_info[i].bssid,
1776 /* pmkid not found */
1778 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1779 __func__, pmksa->bssid);
1784 for (; i + 1 < count; i++)
1785 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1788 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1790 pmkids->length = cpu_to_le32(newlen);
1791 pmkids->bssid_info_count = cpu_to_le32(count);
1796 return ERR_PTR(err);
1799 static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1800 struct ndis_80211_pmkid *pmkids,
1801 struct cfg80211_pmksa *pmksa,
1804 struct ndis_80211_pmkid *new_pmkids;
1808 count = le32_to_cpu(pmkids->bssid_info_count);
1810 if (count > max_pmkids)
1813 /* update with new pmkid */
1814 for (i = 0; i < count; i++) {
1815 if (!ether_addr_equal(pmkids->bssid_info[i].bssid,
1819 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1825 /* out of space, return error */
1826 if (i == max_pmkids) {
1827 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1833 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1835 new_pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1840 pmkids = new_pmkids;
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 struct wireless_dev *wdev,
1905 enum nl80211_tx_power_setting type,
1908 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1909 struct usbnet *usbdev = priv->usbdev;
1911 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1912 __func__, type, mbm);
1914 if (mbm < 0 || (mbm % 100))
1917 /* Device doesn't support changing txpower after initialization, only
1918 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1921 if (type == NL80211_TX_POWER_AUTOMATIC ||
1922 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
1923 if (!priv->radio_on)
1924 disassociate(usbdev, true); /* turn on radio */
1932 static int rndis_get_tx_power(struct wiphy *wiphy,
1933 struct wireless_dev *wdev,
1936 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1937 struct usbnet *usbdev = priv->usbdev;
1939 *dbm = get_bcm4320_power_dbm(priv);
1941 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
1946 #define SCAN_DELAY_JIFFIES (6 * HZ)
1947 static int rndis_scan(struct wiphy *wiphy,
1948 struct cfg80211_scan_request *request)
1950 struct net_device *dev = request->wdev->netdev;
1951 struct usbnet *usbdev = netdev_priv(dev);
1952 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1954 int delay = SCAN_DELAY_JIFFIES;
1956 netdev_dbg(usbdev->net, "cfg80211.scan\n");
1958 /* Get current bssid list from device before new scan, as new scan
1959 * clears internal bssid list.
1961 rndis_check_bssid_list(usbdev, NULL, NULL);
1963 if (priv->scan_request && priv->scan_request != request)
1966 priv->scan_request = request;
1968 ret = rndis_start_bssid_list_scan(usbdev);
1970 if (priv->device_type == RNDIS_BCM4320A)
1973 /* Wait before retrieving scan results from device */
1974 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
1980 static bool rndis_bss_info_update(struct usbnet *usbdev,
1981 struct ndis_80211_bssid_ex *bssid)
1983 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1984 struct ieee80211_channel *channel;
1985 struct cfg80211_bss *bss;
1989 u16 beacon_interval;
1990 struct ndis_80211_fixed_ies *fixed;
1991 int ie_len, bssid_len;
1994 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
1995 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
1997 /* parse bssid structure */
1998 bssid_len = le32_to_cpu(bssid->length);
2000 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
2001 sizeof(struct ndis_80211_fixed_ies))
2004 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
2006 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
2007 ie_len = min(bssid_len - (int)sizeof(*bssid),
2008 (int)le32_to_cpu(bssid->ie_length));
2009 ie_len -= sizeof(struct ndis_80211_fixed_ies);
2013 /* extract data for cfg80211_inform_bss */
2014 channel = ieee80211_get_channel(priv->wdev.wiphy,
2015 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
2019 signal = level_to_qual(le32_to_cpu(bssid->rssi));
2020 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
2021 capability = le16_to_cpu(fixed->capabilities);
2022 beacon_interval = le16_to_cpu(fixed->beacon_interval);
2024 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
2025 timestamp, capability, beacon_interval, ie, ie_len, signal,
2027 cfg80211_put_bss(priv->wdev.wiphy, bss);
2029 return (bss != NULL);
2032 static struct ndis_80211_bssid_ex *next_bssid_list_item(
2033 struct ndis_80211_bssid_ex *bssid,
2034 int *bssid_len, void *buf, int len)
2036 void *buf_end, *bssid_end;
2038 buf_end = (char *)buf + len;
2039 bssid_end = (char *)bssid + *bssid_len;
2041 if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
2045 bssid = (void *)((char *)bssid + *bssid_len);
2046 *bssid_len = le32_to_cpu(bssid->length);
2051 static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
2052 int bssid_len, void *buf, int len)
2054 void *buf_end, *bssid_end;
2056 if (!bssid || bssid_len <= 0 || bssid_len > len)
2059 buf_end = (char *)buf + len;
2060 bssid_end = (char *)bssid + bssid_len;
2062 return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
2065 static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2069 struct ndis_80211_bssid_list_ex *bssid_list;
2070 struct ndis_80211_bssid_ex *bssid;
2071 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
2073 netdev_dbg(usbdev->net, "%s()\n", __func__);
2075 len = CONTROL_BUFFER_SIZE;
2077 buf = kzalloc(len, GFP_KERNEL);
2083 /* BSSID-list might have got bigger last time we checked, keep
2084 * resizing until it won't get any bigger.
2087 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST,
2089 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
2092 if (new_len > len) {
2101 count = le32_to_cpu(bssid_list->num_items);
2103 netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
2106 bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
2108 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2109 * received 'num_items' and walking through full bssid buffer instead.
2111 while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
2112 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2114 if (ether_addr_equal(bssid->mac, match_bssid))
2119 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
2122 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2123 " %d\n", __func__, count, real_count);
2130 static void rndis_get_scan_results(struct work_struct *work)
2132 struct rndis_wlan_private *priv =
2133 container_of(work, struct rndis_wlan_private, scan_work.work);
2134 struct usbnet *usbdev = priv->usbdev;
2137 netdev_dbg(usbdev->net, "get_scan_results\n");
2139 if (!priv->scan_request)
2142 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
2144 cfg80211_scan_done(priv->scan_request, ret < 0);
2146 priv->scan_request = NULL;
2149 static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2150 struct cfg80211_connect_params *sme)
2152 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2153 struct usbnet *usbdev = priv->usbdev;
2154 struct ieee80211_channel *channel = sme->channel;
2155 struct ndis_80211_ssid ssid;
2156 int pairwise = RNDIS_WLAN_ALG_NONE;
2157 int groupwise = RNDIS_WLAN_ALG_NONE;
2158 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2159 int length, i, ret, chan = -1;
2162 chan = ieee80211_frequency_to_channel(channel->center_freq);
2164 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2165 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2167 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2169 if (sme->crypto.n_ciphers_pairwise > 0 &&
2170 pairwise == RNDIS_WLAN_ALG_NONE) {
2171 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
2175 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2177 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2179 if (sme->crypto.n_akm_suites > 0 &&
2180 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
2181 netdev_err(usbdev->net, "Invalid keymgmt\n");
2185 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2186 sme->ssid, sme->bssid, chan,
2187 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2188 groupwise, pairwise, keymgmt);
2190 if (is_associated(usbdev))
2191 disassociate(usbdev, false);
2193 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2195 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2197 goto err_turn_radio_on;
2200 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2203 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2205 goto err_turn_radio_on;
2208 set_priv_filter(usbdev);
2210 ret = set_encr_mode(usbdev, pairwise, groupwise);
2212 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2214 goto err_turn_radio_on;
2218 ret = set_channel(usbdev, chan);
2220 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2222 goto err_turn_radio_on;
2226 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2227 priv->encr_tx_key_index = sme->key_idx;
2228 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2230 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2231 ret, sme->key_len, sme->key_idx);
2232 goto err_turn_radio_on;
2236 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2237 !is_broadcast_ether_addr(sme->bssid)) {
2238 ret = set_bssid(usbdev, sme->bssid);
2240 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2242 goto err_turn_radio_on;
2245 clear_bssid(usbdev);
2247 length = sme->ssid_len;
2248 if (length > NDIS_802_11_LENGTH_SSID)
2249 length = NDIS_802_11_LENGTH_SSID;
2251 memset(&ssid, 0, sizeof(ssid));
2252 ssid.length = cpu_to_le32(length);
2253 memcpy(ssid.essid, sme->ssid, length);
2255 /* Pause and purge rx queue, so we don't pass packets before
2256 * 'media connect'-indication.
2258 usbnet_pause_rx(usbdev);
2259 usbnet_purge_paused_rxq(usbdev);
2261 ret = set_essid(usbdev, &ssid);
2263 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
2267 disassociate(usbdev, true);
2272 static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2275 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2276 struct usbnet *usbdev = priv->usbdev;
2278 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
2280 priv->connected = false;
2281 memset(priv->bssid, 0, ETH_ALEN);
2283 return deauthenticate(usbdev);
2286 static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2287 struct cfg80211_ibss_params *params)
2289 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2290 struct usbnet *usbdev = priv->usbdev;
2291 struct ieee80211_channel *channel = params->chandef.chan;
2292 struct ndis_80211_ssid ssid;
2293 enum nl80211_auth_type auth_type;
2294 int ret, alg, length, chan = -1;
2297 chan = ieee80211_frequency_to_channel(channel->center_freq);
2299 /* TODO: How to handle ad-hoc encryption?
2300 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2301 * pre-shared for encryption (open/shared/wpa), is key set before
2302 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2304 if (params->privacy) {
2305 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2306 alg = RNDIS_WLAN_ALG_WEP;
2308 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2309 alg = RNDIS_WLAN_ALG_NONE;
2312 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2313 params->ssid, params->bssid, chan, params->privacy);
2315 if (is_associated(usbdev))
2316 disassociate(usbdev, false);
2318 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2320 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2322 goto err_turn_radio_on;
2325 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2327 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2329 goto err_turn_radio_on;
2332 set_priv_filter(usbdev);
2334 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2336 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2338 goto err_turn_radio_on;
2342 ret = set_channel(usbdev, chan);
2344 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2346 goto err_turn_radio_on;
2350 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2351 !is_broadcast_ether_addr(params->bssid)) {
2352 ret = set_bssid(usbdev, params->bssid);
2354 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2356 goto err_turn_radio_on;
2359 clear_bssid(usbdev);
2361 length = params->ssid_len;
2362 if (length > NDIS_802_11_LENGTH_SSID)
2363 length = NDIS_802_11_LENGTH_SSID;
2365 memset(&ssid, 0, sizeof(ssid));
2366 ssid.length = cpu_to_le32(length);
2367 memcpy(ssid.essid, params->ssid, length);
2369 /* Don't need to pause rx queue for ad-hoc. */
2370 usbnet_purge_paused_rxq(usbdev);
2371 usbnet_resume_rx(usbdev);
2373 ret = set_essid(usbdev, &ssid);
2375 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2380 disassociate(usbdev, true);
2385 static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2387 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2388 struct usbnet *usbdev = priv->usbdev;
2390 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
2392 priv->connected = false;
2393 memset(priv->bssid, 0, ETH_ALEN);
2395 return deauthenticate(usbdev);
2398 static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
2399 u8 key_index, bool pairwise, const u8 *mac_addr,
2400 struct key_params *params)
2402 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2403 struct usbnet *usbdev = priv->usbdev;
2406 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2407 __func__, key_index, mac_addr, params->cipher);
2409 switch (params->cipher) {
2410 case WLAN_CIPHER_SUITE_WEP40:
2411 case WLAN_CIPHER_SUITE_WEP104:
2412 return add_wep_key(usbdev, params->key, params->key_len,
2414 case WLAN_CIPHER_SUITE_TKIP:
2415 case WLAN_CIPHER_SUITE_CCMP:
2418 if (params->seq && params->seq_len > 0)
2419 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2421 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2422 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2424 return add_wpa_key(usbdev, params->key, params->key_len,
2425 key_index, mac_addr, params->seq,
2426 params->seq_len, params->cipher, flags);
2428 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2429 __func__, params->cipher);
2434 static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
2435 u8 key_index, bool pairwise, const u8 *mac_addr)
2437 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2438 struct usbnet *usbdev = priv->usbdev;
2440 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
2442 return remove_key(usbdev, key_index, mac_addr);
2445 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
2446 u8 key_index, bool unicast, bool multicast)
2448 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2449 struct usbnet *usbdev = priv->usbdev;
2450 struct rndis_wlan_encr_key key;
2452 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
2454 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2457 priv->encr_tx_key_index = key_index;
2459 if (is_wpa_key(priv, key_index))
2462 key = priv->encr_keys[key_index];
2464 return add_wep_key(usbdev, key.material, key.len, key_index);
2467 static void rndis_fill_station_info(struct usbnet *usbdev,
2468 struct station_info *sinfo)
2470 __le32 linkspeed, rssi;
2473 memset(sinfo, 0, sizeof(*sinfo));
2475 len = sizeof(linkspeed);
2476 ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len);
2478 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
2479 sinfo->filled |= STATION_INFO_TX_BITRATE;
2483 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
2486 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
2487 sinfo->filled |= STATION_INFO_SIGNAL;
2491 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
2492 u8 *mac, struct station_info *sinfo)
2494 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2495 struct usbnet *usbdev = priv->usbdev;
2497 if (!ether_addr_equal(priv->bssid, mac))
2500 rndis_fill_station_info(usbdev, sinfo);
2505 static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2506 int idx, u8 *mac, struct station_info *sinfo)
2508 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2509 struct usbnet *usbdev = priv->usbdev;
2514 memcpy(mac, priv->bssid, ETH_ALEN);
2516 rndis_fill_station_info(usbdev, sinfo);
2521 static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2522 struct cfg80211_pmksa *pmksa)
2524 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2525 struct usbnet *usbdev = priv->usbdev;
2526 struct ndis_80211_pmkid *pmkids;
2527 u32 *tmp = (u32 *)pmksa->pmkid;
2529 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2531 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2532 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2534 pmkids = get_device_pmkids(usbdev);
2535 if (IS_ERR(pmkids)) {
2536 /* couldn't read PMKID cache from device */
2537 return PTR_ERR(pmkids);
2540 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2541 if (IS_ERR(pmkids)) {
2542 /* not found, list full, etc */
2543 return PTR_ERR(pmkids);
2546 return set_device_pmkids(usbdev, pmkids);
2549 static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2550 struct cfg80211_pmksa *pmksa)
2552 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2553 struct usbnet *usbdev = priv->usbdev;
2554 struct ndis_80211_pmkid *pmkids;
2555 u32 *tmp = (u32 *)pmksa->pmkid;
2557 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2559 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2560 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2562 pmkids = get_device_pmkids(usbdev);
2563 if (IS_ERR(pmkids)) {
2564 /* Couldn't read PMKID cache from device */
2565 return PTR_ERR(pmkids);
2568 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2569 if (IS_ERR(pmkids)) {
2570 /* not found, etc */
2571 return PTR_ERR(pmkids);
2574 return set_device_pmkids(usbdev, pmkids);
2577 static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2579 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2580 struct usbnet *usbdev = priv->usbdev;
2581 struct ndis_80211_pmkid pmkid;
2583 netdev_dbg(usbdev->net, "%s()\n", __func__);
2585 memset(&pmkid, 0, sizeof(pmkid));
2587 pmkid.length = cpu_to_le32(sizeof(pmkid));
2588 pmkid.bssid_info_count = cpu_to_le32(0);
2590 return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID,
2591 &pmkid, sizeof(pmkid));
2594 static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2595 bool enabled, int timeout)
2597 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2598 struct usbnet *usbdev = priv->usbdev;
2603 if (priv->device_type != RNDIS_BCM4320B)
2606 netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
2607 enabled ? "enabled" : "disabled",
2611 power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
2613 power_mode = NDIS_80211_POWER_MODE_CAM;
2615 if (power_mode == priv->power_mode)
2618 priv->power_mode = power_mode;
2620 mode = cpu_to_le32(power_mode);
2621 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE,
2622 &mode, sizeof(mode));
2624 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
2630 static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
2631 struct net_device *dev,
2632 s32 rssi_thold, u32 rssi_hyst)
2634 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2636 priv->cqm_rssi_thold = rssi_thold;
2637 priv->cqm_rssi_hyst = rssi_hyst;
2638 priv->last_cqm_event_rssi = 0;
2643 static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2644 struct ndis_80211_assoc_info *info)
2646 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2647 struct ieee80211_channel *channel;
2648 struct ndis_80211_ssid ssid;
2649 struct cfg80211_bss *bss;
2653 u32 beacon_period = 0;
2656 int len, ret, ie_len;
2658 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2661 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
2663 signal = level_to_qual(le32_to_cpu(rssi));
2665 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
2666 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2667 level_to_qual(le32_to_cpu(rssi)));
2669 /* Get AP capabilities */
2671 capability = le16_to_cpu(info->resp_ie.capa);
2673 /* Set atleast ESS/IBSS capability */
2674 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2675 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2678 /* Get channel and beacon interval */
2679 channel = get_current_channel(usbdev, &beacon_period);
2681 netdev_warn(usbdev->net, "%s(): could not get channel.\n",
2686 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2688 memset(&ssid, 0, sizeof(ssid));
2689 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID,
2691 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
2692 "'%.32s'\n", __func__, ret,
2693 le32_to_cpu(ssid.length), ssid.essid);
2695 if (le32_to_cpu(ssid.length) > 32)
2696 ssid.length = cpu_to_le32(32);
2698 ie_buf[0] = WLAN_EID_SSID;
2699 ie_buf[1] = le32_to_cpu(ssid.length);
2700 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2702 ie_len = le32_to_cpu(ssid.length) + 2;
2707 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2708 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2709 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
2710 bssid, (u32)timestamp, capability, beacon_period, ie_len,
2711 ssid.essid, signal);
2713 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
2714 timestamp, capability, beacon_period, ie_buf, ie_len,
2715 signal, GFP_KERNEL);
2716 cfg80211_put_bss(priv->wdev.wiphy, bss);
2720 * workers, indication handlers, device poller
2722 static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
2724 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2725 struct ndis_80211_assoc_info *info = NULL;
2727 unsigned int resp_ie_len, req_ie_len;
2728 unsigned int offset;
2729 u8 *req_ie, *resp_ie;
2731 bool roamed = false;
2734 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2735 /* received media connect indication while connected, either
2736 * device reassociated with same AP or roamed to new. */
2745 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2746 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2748 /* No memory? Try resume work later */
2749 set_bit(WORK_LINK_UP, &priv->work_pending);
2750 queue_work(priv->workqueue, &priv->work);
2754 /* Get association info IEs from device. */
2755 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
2757 req_ie_len = le32_to_cpu(info->req_ie_length);
2758 if (req_ie_len > CONTROL_BUFFER_SIZE)
2759 req_ie_len = CONTROL_BUFFER_SIZE;
2760 if (req_ie_len != 0) {
2761 offset = le32_to_cpu(info->offset_req_ies);
2763 if (offset > CONTROL_BUFFER_SIZE)
2764 offset = CONTROL_BUFFER_SIZE;
2766 req_ie = (u8 *)info + offset;
2768 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2770 CONTROL_BUFFER_SIZE - offset;
2773 resp_ie_len = le32_to_cpu(info->resp_ie_length);
2774 if (resp_ie_len > CONTROL_BUFFER_SIZE)
2775 resp_ie_len = CONTROL_BUFFER_SIZE;
2776 if (resp_ie_len != 0) {
2777 offset = le32_to_cpu(info->offset_resp_ies);
2779 if (offset > CONTROL_BUFFER_SIZE)
2780 offset = CONTROL_BUFFER_SIZE;
2782 resp_ie = (u8 *)info + offset;
2784 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2786 CONTROL_BUFFER_SIZE - offset;
2789 /* Since rndis_wlan_craft_connected_bss() might use info
2790 * later and expects info to contain valid data if
2791 * non-null, free info and set NULL here.
2796 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2799 ret = get_bssid(usbdev, bssid);
2801 memset(bssid, 0, sizeof(bssid));
2803 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2804 bssid, roamed ? " roamed" : "");
2806 /* Internal bss list in device should contain at least the currently
2807 * connected bss and we can get it to cfg80211 with
2808 * rndis_check_bssid_list().
2810 * NDIS spec says: "If the device is associated, but the associated
2811 * BSSID is not in its BSSID scan list, then the driver must add an
2812 * entry for the BSSID at the end of the data that it returns in
2813 * response to query of RNDIS_OID_802_11_BSSID_LIST."
2815 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
2818 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2820 if (!is_zero_ether_addr(bssid) && !match_bss) {
2821 /* Couldn't get bss from device, we need to manually craft bss
2824 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2827 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2829 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2830 req_ie_len, resp_ie,
2831 resp_ie_len, 0, GFP_KERNEL);
2833 cfg80211_roamed(usbdev->net,
2834 get_current_channel(usbdev, NULL),
2835 bssid, req_ie, req_ie_len,
2836 resp_ie, resp_ie_len, GFP_KERNEL);
2837 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
2838 cfg80211_ibss_joined(usbdev->net, bssid,
2839 get_current_channel(usbdev, NULL),
2844 priv->connected = true;
2845 memcpy(priv->bssid, bssid, ETH_ALEN);
2847 usbnet_resume_rx(usbdev);
2848 netif_carrier_on(usbdev->net);
2851 static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2853 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2855 if (priv->connected) {
2856 priv->connected = false;
2857 memset(priv->bssid, 0, ETH_ALEN);
2859 deauthenticate(usbdev);
2861 cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL);
2864 netif_carrier_off(usbdev->net);
2867 static void rndis_wlan_worker(struct work_struct *work)
2869 struct rndis_wlan_private *priv =
2870 container_of(work, struct rndis_wlan_private, work);
2871 struct usbnet *usbdev = priv->usbdev;
2873 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2874 rndis_wlan_do_link_up_work(usbdev);
2876 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2877 rndis_wlan_do_link_down_work(usbdev);
2879 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2880 set_multicast_list(usbdev);
2883 static void rndis_wlan_set_multicast_list(struct net_device *dev)
2885 struct usbnet *usbdev = netdev_priv(dev);
2886 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2888 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2891 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2892 queue_work(priv->workqueue, &priv->work);
2895 static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2896 struct ndis_80211_status_indication *indication,
2901 int flags, buflen, key_id;
2902 bool pairwise_error, group_error;
2903 struct ndis_80211_auth_request *auth_req;
2904 enum nl80211_key_type key_type;
2906 /* must have at least one array entry */
2907 if (len < offsetof(struct ndis_80211_status_indication, u) +
2908 sizeof(struct ndis_80211_auth_request)) {
2909 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2914 buf = (void *)&indication->u.auth_request[0];
2915 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2917 while (buflen >= sizeof(*auth_req)) {
2918 auth_req = (void *)buf;
2920 flags = le32_to_cpu(auth_req->flags);
2921 pairwise_error = false;
2922 group_error = false;
2925 type = "reauth request";
2927 type = "key update request";
2929 pairwise_error = true;
2930 type = "pairwise_error";
2934 type = "group_error";
2937 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2938 type, le32_to_cpu(auth_req->flags));
2940 if (pairwise_error) {
2941 key_type = NL80211_KEYTYPE_PAIRWISE;
2944 cfg80211_michael_mic_failure(usbdev->net,
2946 key_type, key_id, NULL,
2951 key_type = NL80211_KEYTYPE_GROUP;
2954 cfg80211_michael_mic_failure(usbdev->net,
2956 key_type, key_id, NULL,
2960 buflen -= le32_to_cpu(auth_req->length);
2961 buf += le32_to_cpu(auth_req->length);
2965 static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2966 struct ndis_80211_status_indication *indication,
2969 struct ndis_80211_pmkid_cand_list *cand_list;
2970 int list_len, expected_len, i;
2972 if (len < offsetof(struct ndis_80211_status_indication, u) +
2973 sizeof(struct ndis_80211_pmkid_cand_list)) {
2974 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2979 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2980 sizeof(struct ndis_80211_pmkid_candidate);
2981 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2982 offsetof(struct ndis_80211_status_indication, u);
2984 if (len < expected_len) {
2985 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2990 cand_list = &indication->u.cand_list;
2992 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
2993 le32_to_cpu(cand_list->version),
2994 le32_to_cpu(cand_list->num_candidates));
2996 if (le32_to_cpu(cand_list->version) != 1)
2999 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
3000 struct ndis_80211_pmkid_candidate *cand =
3001 &cand_list->candidate_list[i];
3002 bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
3004 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3005 i, le32_to_cpu(cand->flags), preauth, cand->bssid);
3007 cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
3008 preauth, GFP_ATOMIC);
3012 static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3013 struct rndis_indicate *msg, int buflen)
3015 struct ndis_80211_status_indication *indication;
3016 unsigned int len, offset;
3018 offset = offsetof(struct rndis_indicate, status) +
3019 le32_to_cpu(msg->offset);
3020 len = le32_to_cpu(msg->length);
3023 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3028 if (len > buflen || offset > buflen || offset + len > buflen) {
3029 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3030 offset + len, buflen);
3034 indication = (void *)((u8 *)msg + offset);
3036 switch (le32_to_cpu(indication->status_type)) {
3037 case NDIS_80211_STATUSTYPE_RADIOSTATE:
3038 netdev_info(usbdev->net, "radio state indication: %i\n",
3039 le32_to_cpu(indication->u.radio_status));
3042 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
3043 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3044 le32_to_cpu(indication->u.media_stream_mode));
3047 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3048 rndis_wlan_auth_indication(usbdev, indication, len);
3051 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3052 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3056 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3057 le32_to_cpu(indication->status_type));
3061 static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
3063 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3064 struct rndis_indicate *msg = ind;
3066 switch (le32_to_cpu(msg->status)) {
3067 case RNDIS_STATUS_MEDIA_CONNECT:
3068 if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) {
3069 /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
3070 * "media connect" indications which confuses driver
3071 * and userspace to think that device is
3072 * roaming/reassociating when it isn't.
3074 netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
3078 usbnet_pause_rx(usbdev);
3080 netdev_info(usbdev->net, "media connect\n");
3082 /* queue work to avoid recursive calls into rndis_command */
3083 set_bit(WORK_LINK_UP, &priv->work_pending);
3084 queue_work(priv->workqueue, &priv->work);
3087 case RNDIS_STATUS_MEDIA_DISCONNECT:
3088 netdev_info(usbdev->net, "media disconnect\n");
3090 /* queue work to avoid recursive calls into rndis_command */
3091 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3092 queue_work(priv->workqueue, &priv->work);
3095 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
3096 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3100 netdev_info(usbdev->net, "indication: 0x%08x\n",
3101 le32_to_cpu(msg->status));
3106 static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
3111 } networks_supported;
3112 struct ndis_80211_capability *caps;
3113 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
3114 int len, retval, i, n;
3115 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3117 /* determine supported modes */
3118 len = sizeof(networks_supported);
3119 retval = rndis_query_oid(usbdev,
3120 RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED,
3121 &networks_supported, &len);
3123 n = le32_to_cpu(networks_supported.num_items);
3126 for (i = 0; i < n; i++) {
3127 switch (le32_to_cpu(networks_supported.items[i])) {
3128 case NDIS_80211_TYPE_FREQ_HOP:
3129 case NDIS_80211_TYPE_DIRECT_SEQ:
3130 priv->caps |= CAP_MODE_80211B;
3132 case NDIS_80211_TYPE_OFDM_A:
3133 priv->caps |= CAP_MODE_80211A;
3135 case NDIS_80211_TYPE_OFDM_G:
3136 priv->caps |= CAP_MODE_80211G;
3142 /* get device 802.11 capabilities, number of PMKIDs */
3143 caps = (struct ndis_80211_capability *)caps_buf;
3144 len = sizeof(caps_buf);
3145 retval = rndis_query_oid(usbdev,
3146 RNDIS_OID_802_11_CAPABILITY,
3149 netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
3150 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3151 le32_to_cpu(caps->length),
3152 le32_to_cpu(caps->version),
3153 le32_to_cpu(caps->num_pmkids),
3154 le32_to_cpu(caps->num_auth_encr_pair));
3155 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3157 wiphy->max_num_pmkids = 0;
3162 static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3164 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3165 enum nl80211_cqm_rssi_threshold_event event;
3166 int thold, hyst, last_event;
3168 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3170 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3173 last_event = priv->last_cqm_event_rssi;
3174 thold = priv->cqm_rssi_thold;
3175 hyst = priv->cqm_rssi_hyst;
3177 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3178 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3179 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3180 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3184 priv->last_cqm_event_rssi = rssi;
3185 cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
3188 #define DEVICE_POLLER_JIFFIES (HZ)
3189 static void rndis_device_poller(struct work_struct *work)
3191 struct rndis_wlan_private *priv =
3192 container_of(work, struct rndis_wlan_private,
3193 dev_poller_work.work);
3194 struct usbnet *usbdev = priv->usbdev;
3197 int update_jiffies = DEVICE_POLLER_JIFFIES;
3200 /* Only check/do workaround when connected. Calling is_associated()
3201 * also polls device with rndis_command() and catches for media link
3204 if (!is_associated(usbdev)) {
3205 /* Workaround bad scanning in BCM4320a devices with active
3206 * background scanning when not associated.
3208 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3209 !priv->scan_request) {
3210 /* Get previous scan results */
3211 rndis_check_bssid_list(usbdev, NULL, NULL);
3213 /* Initiate new scan */
3214 rndis_start_bssid_list_scan(usbdev);
3221 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
3224 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
3225 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3228 netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
3229 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
3231 /* Workaround transfer stalls on poor quality links.
3232 * TODO: find right way to fix these stalls (as stalls do not happen
3233 * with ndiswrapper/windows driver). */
3234 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
3235 /* Decrease stats worker interval to catch stalls.
3236 * faster. Faster than 400-500ms causes packet loss,
3237 * Slower doesn't catch stalls fast enough.
3239 j = msecs_to_jiffies(priv->param_workaround_interval);
3240 if (j > DEVICE_POLLER_JIFFIES)
3241 j = DEVICE_POLLER_JIFFIES;
3246 /* Send scan OID. Use of both OIDs is required to get device
3249 tmp = cpu_to_le32(1);
3250 rndis_set_oid(usbdev,
3251 RNDIS_OID_802_11_BSSID_LIST_SCAN,
3254 len = CONTROL_BUFFER_SIZE;
3255 buf = kmalloc(len, GFP_KERNEL);
3259 rndis_query_oid(usbdev,
3260 RNDIS_OID_802_11_BSSID_LIST,
3266 if (update_jiffies >= HZ)
3267 update_jiffies = round_jiffies_relative(update_jiffies);
3269 j = round_jiffies_relative(update_jiffies);
3270 if (abs(j - update_jiffies) <= 10)
3274 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3279 * driver/device initialization
3281 static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
3283 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3285 priv->device_type = device_type;
3287 priv->param_country[0] = modparam_country[0];
3288 priv->param_country[1] = modparam_country[1];
3289 priv->param_country[2] = 0;
3290 priv->param_frameburst = modparam_frameburst;
3291 priv->param_afterburner = modparam_afterburner;
3292 priv->param_power_save = modparam_power_save;
3293 priv->param_power_output = modparam_power_output;
3294 priv->param_roamtrigger = modparam_roamtrigger;
3295 priv->param_roamdelta = modparam_roamdelta;
3297 priv->param_country[0] = toupper(priv->param_country[0]);
3298 priv->param_country[1] = toupper(priv->param_country[1]);
3299 /* doesn't support EU as country code, use FI instead */
3300 if (!strcmp(priv->param_country, "EU"))
3301 strcpy(priv->param_country, "FI");
3303 if (priv->param_power_save < 0)
3304 priv->param_power_save = 0;
3305 else if (priv->param_power_save > 2)
3306 priv->param_power_save = 2;
3308 if (priv->param_power_output < 0)
3309 priv->param_power_output = 0;
3310 else if (priv->param_power_output > 3)
3311 priv->param_power_output = 3;
3313 if (priv->param_roamtrigger < -80)
3314 priv->param_roamtrigger = -80;
3315 else if (priv->param_roamtrigger > -60)
3316 priv->param_roamtrigger = -60;
3318 if (priv->param_roamdelta < 0)
3319 priv->param_roamdelta = 0;
3320 else if (priv->param_roamdelta > 2)
3321 priv->param_roamdelta = 2;
3323 if (modparam_workaround_interval < 0)
3324 priv->param_workaround_interval = 500;
3326 priv->param_workaround_interval = modparam_workaround_interval;
3329 static int unknown_early_init(struct usbnet *usbdev)
3331 /* copy module parameters for unknown so that iwconfig reports txpower
3332 * and workaround parameter is copied to private structure correctly.
3334 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3336 /* This is unknown device, so do not try set configuration parameters.
3342 static int bcm4320a_early_init(struct usbnet *usbdev)
3344 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3345 * and workaround parameter is copied to private structure correctly.
3347 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
3349 /* bcm4320a doesn't handle configuration parameters well. Try
3350 * set any and you get partially zeroed mac and broken device.
3356 static int bcm4320b_early_init(struct usbnet *usbdev)
3358 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3361 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
3363 /* Early initialization settings, setting these won't have effect
3364 * if called after generic_rndis_bind().
3367 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3368 rndis_set_config_parameter_str(usbdev, "FrameBursting",
3369 priv->param_frameburst ? "1" : "0");
3370 rndis_set_config_parameter_str(usbdev, "Afterburner",
3371 priv->param_afterburner ? "1" : "0");
3372 sprintf(buf, "%d", priv->param_power_save);
3373 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
3374 sprintf(buf, "%d", priv->param_power_output);
3375 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
3376 sprintf(buf, "%d", priv->param_roamtrigger);
3377 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
3378 sprintf(buf, "%d", priv->param_roamdelta);
3379 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
3384 /* same as rndis_netdev_ops but with local multicast handler */
3385 static const struct net_device_ops rndis_wlan_netdev_ops = {
3386 .ndo_open = usbnet_open,
3387 .ndo_stop = usbnet_stop,
3388 .ndo_start_xmit = usbnet_start_xmit,
3389 .ndo_tx_timeout = usbnet_tx_timeout,
3390 .ndo_set_mac_address = eth_mac_addr,
3391 .ndo_validate_addr = eth_validate_addr,
3392 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
3395 static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
3397 struct wiphy *wiphy;
3398 struct rndis_wlan_private *priv;
3402 /* allocate wiphy and rndis private data
3403 * NOTE: We only support a single virtual interface, so wiphy
3404 * and wireless_dev are somewhat synonymous for this device.
3406 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
3410 priv = wiphy_priv(wiphy);
3411 usbdev->net->ieee80211_ptr = &priv->wdev;
3412 priv->wdev.wiphy = wiphy;
3413 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3415 /* These have to be initialized before calling generic_rndis_bind().
3416 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
3418 usbdev->driver_priv = priv;
3419 priv->usbdev = usbdev;
3421 mutex_init(&priv->command_lock);
3423 /* because rndis_command() sleeps we need to use workqueue */
3424 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
3425 INIT_WORK(&priv->work, rndis_wlan_worker);
3426 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
3427 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3429 /* try bind rndis_host */
3430 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
3434 /* generic_rndis_bind set packet filter to multicast_all+
3435 * promisc mode which doesn't work well for our devices (device
3436 * picks up rssi to closest station instead of to access point).
3438 * rndis_host wants to avoid all OID as much as possible
3439 * so do promisc/multicast handling in rndis_wlan.
3441 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
3443 tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST);
3444 retval = rndis_set_oid(usbdev,
3445 RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
3449 retval = rndis_query_oid(usbdev,
3450 RNDIS_OID_802_3_MAXIMUM_LIST_SIZE,
3452 priv->multicast_size = le32_to_cpu(tmp);
3453 if (retval < 0 || priv->multicast_size < 0)
3454 priv->multicast_size = 0;
3455 if (priv->multicast_size > 0)
3456 usbdev->net->flags |= IFF_MULTICAST;
3458 usbdev->net->flags &= ~IFF_MULTICAST;
3460 /* fill-out wiphy structure and register w/ cfg80211 */
3461 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3462 wiphy->privid = rndis_wiphy_privid;
3463 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3464 | BIT(NL80211_IFTYPE_ADHOC);
3465 wiphy->max_scan_ssids = 1;
3467 /* TODO: fill-out band/encr information based on priv->caps */
3468 rndis_wlan_get_caps(usbdev, wiphy);
3470 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3471 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3472 priv->band.channels = priv->channels;
3473 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3474 priv->band.bitrates = priv->rates;
3475 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
3476 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
3477 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
3479 memcpy(priv->cipher_suites, rndis_cipher_suites,
3480 sizeof(rndis_cipher_suites));
3481 wiphy->cipher_suites = priv->cipher_suites;
3482 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3484 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3486 if (wiphy_register(wiphy)) {
3491 set_default_iw_params(usbdev);
3493 priv->power_mode = -1;
3495 /* set default rts/frag */
3496 rndis_set_wiphy_params(wiphy,
3497 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3499 /* turn radio off on init */
3500 priv->radio_on = false;
3501 disassociate(usbdev, false);
3502 netif_carrier_off(usbdev->net);
3507 cancel_delayed_work_sync(&priv->dev_poller_work);
3508 cancel_delayed_work_sync(&priv->scan_work);
3509 cancel_work_sync(&priv->work);
3510 flush_workqueue(priv->workqueue);
3511 destroy_workqueue(priv->workqueue);
3517 static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
3519 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3521 /* turn radio off */
3522 disassociate(usbdev, false);
3524 cancel_delayed_work_sync(&priv->dev_poller_work);
3525 cancel_delayed_work_sync(&priv->scan_work);
3526 cancel_work_sync(&priv->work);
3527 flush_workqueue(priv->workqueue);
3528 destroy_workqueue(priv->workqueue);
3530 rndis_unbind(usbdev, intf);
3532 wiphy_unregister(priv->wdev.wiphy);
3533 wiphy_free(priv->wdev.wiphy);
3536 static int rndis_wlan_reset(struct usbnet *usbdev)
3538 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3541 netdev_dbg(usbdev->net, "%s()\n", __func__);
3543 retval = rndis_reset(usbdev);
3545 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
3547 /* rndis_reset cleared multicast list, so restore here.
3548 (set_multicast_list() also turns on current packet filter) */
3549 set_multicast_list(usbdev);
3551 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3552 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
3554 return deauthenticate(usbdev);
3557 static int rndis_wlan_stop(struct usbnet *usbdev)
3559 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3563 netdev_dbg(usbdev->net, "%s()\n", __func__);
3565 retval = disassociate(usbdev, false);
3567 priv->work_pending = 0;
3568 cancel_delayed_work_sync(&priv->dev_poller_work);
3569 cancel_delayed_work_sync(&priv->scan_work);
3570 cancel_work_sync(&priv->work);
3571 flush_workqueue(priv->workqueue);
3573 if (priv->scan_request) {
3574 cfg80211_scan_done(priv->scan_request, true);
3575 priv->scan_request = NULL;
3578 /* Set current packet filter zero to block receiving data packets from
3581 rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
3587 static const struct driver_info bcm4320b_info = {
3588 .description = "Wireless RNDIS device, BCM4320b based",
3589 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3590 FLAG_AVOID_UNLINK_URBS,
3591 .bind = rndis_wlan_bind,
3592 .unbind = rndis_wlan_unbind,
3593 .status = rndis_status,
3594 .rx_fixup = rndis_rx_fixup,
3595 .tx_fixup = rndis_tx_fixup,
3596 .reset = rndis_wlan_reset,
3597 .stop = rndis_wlan_stop,
3598 .early_init = bcm4320b_early_init,
3599 .indication = rndis_wlan_indication,
3602 static const struct driver_info bcm4320a_info = {
3603 .description = "Wireless RNDIS device, BCM4320a based",
3604 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3605 FLAG_AVOID_UNLINK_URBS,
3606 .bind = rndis_wlan_bind,
3607 .unbind = rndis_wlan_unbind,
3608 .status = rndis_status,
3609 .rx_fixup = rndis_rx_fixup,
3610 .tx_fixup = rndis_tx_fixup,
3611 .reset = rndis_wlan_reset,
3612 .stop = rndis_wlan_stop,
3613 .early_init = bcm4320a_early_init,
3614 .indication = rndis_wlan_indication,
3617 static const struct driver_info rndis_wlan_info = {
3618 .description = "Wireless RNDIS device",
3619 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3620 FLAG_AVOID_UNLINK_URBS,
3621 .bind = rndis_wlan_bind,
3622 .unbind = rndis_wlan_unbind,
3623 .status = rndis_status,
3624 .rx_fixup = rndis_rx_fixup,
3625 .tx_fixup = rndis_tx_fixup,
3626 .reset = rndis_wlan_reset,
3627 .stop = rndis_wlan_stop,
3628 .early_init = unknown_early_init,
3629 .indication = rndis_wlan_indication,
3632 /*-------------------------------------------------------------------------*/
3634 static const struct usb_device_id products [] = {
3635 #define RNDIS_MASTER_INTERFACE \
3636 .bInterfaceClass = USB_CLASS_COMM, \
3637 .bInterfaceSubClass = 2 /* ACM */, \
3638 .bInterfaceProtocol = 0x0ff
3640 /* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3641 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3644 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3645 | USB_DEVICE_ID_MATCH_DEVICE,
3647 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3648 RNDIS_MASTER_INTERFACE,
3649 .driver_info = (unsigned long) &bcm4320b_info,
3651 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3652 | USB_DEVICE_ID_MATCH_DEVICE,
3654 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3655 RNDIS_MASTER_INTERFACE,
3656 .driver_info = (unsigned long) &bcm4320b_info,
3658 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3659 | USB_DEVICE_ID_MATCH_DEVICE,
3661 .idProduct = 0x011b, /* Belkin F5D7051 */
3662 RNDIS_MASTER_INTERFACE,
3663 .driver_info = (unsigned long) &bcm4320b_info,
3665 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3666 | USB_DEVICE_ID_MATCH_DEVICE,
3667 .idVendor = 0x1799, /* Belkin has two vendor ids */
3668 .idProduct = 0x011b, /* Belkin F5D7051 */
3669 RNDIS_MASTER_INTERFACE,
3670 .driver_info = (unsigned long) &bcm4320b_info,
3672 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3673 | USB_DEVICE_ID_MATCH_DEVICE,
3675 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3676 RNDIS_MASTER_INTERFACE,
3677 .driver_info = (unsigned long) &bcm4320b_info,
3679 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3680 | USB_DEVICE_ID_MATCH_DEVICE,
3682 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3683 RNDIS_MASTER_INTERFACE,
3684 .driver_info = (unsigned long) &bcm4320b_info,
3686 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3687 | USB_DEVICE_ID_MATCH_DEVICE,
3689 .idProduct = 0x1717, /* Asus WL169gE */
3690 RNDIS_MASTER_INTERFACE,
3691 .driver_info = (unsigned long) &bcm4320b_info,
3693 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3694 | USB_DEVICE_ID_MATCH_DEVICE,
3696 .idProduct = 0xd11b, /* Eminent EM4045 */
3697 RNDIS_MASTER_INTERFACE,
3698 .driver_info = (unsigned long) &bcm4320b_info,
3700 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3701 | USB_DEVICE_ID_MATCH_DEVICE,
3703 .idProduct = 0x0715, /* BT Voyager 1055 */
3704 RNDIS_MASTER_INTERFACE,
3705 .driver_info = (unsigned long) &bcm4320b_info,
3707 /* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3708 * parameters available, hardware probably contain older firmware version with
3709 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3712 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3713 | USB_DEVICE_ID_MATCH_DEVICE,
3715 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3716 RNDIS_MASTER_INTERFACE,
3717 .driver_info = (unsigned long) &bcm4320a_info,
3719 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3720 | USB_DEVICE_ID_MATCH_DEVICE,
3722 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3723 RNDIS_MASTER_INTERFACE,
3724 .driver_info = (unsigned long) &bcm4320a_info,
3726 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3727 | USB_DEVICE_ID_MATCH_DEVICE,
3729 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3730 RNDIS_MASTER_INTERFACE,
3731 .driver_info = (unsigned long) &bcm4320a_info,
3733 /* Generic Wireless RNDIS devices that we don't have exact
3734 * idVendor/idProduct/chip yet.
3737 /* RNDIS is MSFT's un-official variant of CDC ACM */
3738 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
3739 .driver_info = (unsigned long) &rndis_wlan_info,
3741 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3742 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
3743 .driver_info = (unsigned long) &rndis_wlan_info,
3747 MODULE_DEVICE_TABLE(usb, products);
3749 static struct usb_driver rndis_wlan_driver = {
3750 .name = "rndis_wlan",
3751 .id_table = products,
3752 .probe = usbnet_probe,
3753 .disconnect = usbnet_disconnect,
3754 .suspend = usbnet_suspend,
3755 .resume = usbnet_resume,
3756 .disable_hub_initiated_lpm = 1,
3759 module_usb_driver(rndis_wlan_driver);
3761 MODULE_AUTHOR("Bjorge Dijkstra");
3762 MODULE_AUTHOR("Jussi Kivilinna");
3763 MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3764 MODULE_LICENSE("GPL");