blob: 9935bd09db1fb309090222be94c85ec98917b5cc [file] [log] [blame]
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
Jussi Kivilinnae6146c52013-03-07 22:33:38 +02005 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@iki.fi>
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02006 *
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.
11 *
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.
16 *
17 * You should have received a copy of the GNU General Public License
Jeff Kirsher36769152013-12-06 03:32:13 -080018 * along with this program; if not, see <http://www.gnu.org/licenses/>.
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020019 *
20 * Portions of this file are based on NDISwrapper project,
21 * Copyright (C) 2003-2005 Pontus Fuchs, Giridhar Pemmasani
22 * http://ndiswrapper.sourceforge.net/
23 */
24
25// #define DEBUG // error path messages, extra info
26// #define VERBOSE // more; success messages
27
28#include <linux/module.h>
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020029#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>
Johannes Berg2c7060022008-10-30 22:09:54 +010037#include <linux/ieee80211.h>
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020038#include <linux/if_arp.h>
39#include <linux/ctype.h>
40#include <linux/spinlock.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090041#include <linux/slab.h>
John W. Linville5c8fa4f2009-03-26 23:39:53 +020042#include <net/cfg80211.h>
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020043#include <linux/usb/usbnet.h>
44#include <linux/usb/rndis_host.h>
45
46
47/* NOTE: All these are settings for Broadcom chipset */
48static char modparam_country[4] = "EU";
49module_param_string(country, modparam_country, 4, 0444);
50MODULE_PARM_DESC(country, "Country code (ISO 3166-1 alpha-2), default: EU");
51
52static int modparam_frameburst = 1;
53module_param_named(frameburst, modparam_frameburst, int, 0444);
54MODULE_PARM_DESC(frameburst, "enable frame bursting (default: on)");
55
56static int modparam_afterburner = 0;
57module_param_named(afterburner, modparam_afterburner, int, 0444);
58MODULE_PARM_DESC(afterburner,
59 "enable afterburner aka '125 High Speed Mode' (default: off)");
60
61static int modparam_power_save = 0;
62module_param_named(power_save, modparam_power_save, int, 0444);
63MODULE_PARM_DESC(power_save,
64 "set power save mode: 0=off, 1=on, 2=fast (default: off)");
65
66static int modparam_power_output = 3;
67module_param_named(power_output, modparam_power_output, int, 0444);
68MODULE_PARM_DESC(power_output,
69 "set power output: 0=25%, 1=50%, 2=75%, 3=100% (default: 100%)");
70
71static int modparam_roamtrigger = -70;
72module_param_named(roamtrigger, modparam_roamtrigger, int, 0444);
73MODULE_PARM_DESC(roamtrigger,
74 "set roaming dBm trigger: -80=optimize for distance, "
75 "-60=bandwidth (default: -70)");
76
77static int modparam_roamdelta = 1;
78module_param_named(roamdelta, modparam_roamdelta, int, 0444);
79MODULE_PARM_DESC(roamdelta,
80 "set roaming tendency: 0=aggressive, 1=moderate, "
81 "2=conservative (default: moderate)");
82
Jussi Kivilinna77593ae2009-11-22 20:16:47 +020083static int modparam_workaround_interval;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020084module_param_named(workaround_interval, modparam_workaround_interval,
85 int, 0444);
86MODULE_PARM_DESC(workaround_interval,
Jussi Kivilinna77593ae2009-11-22 20:16:47 +020087 "set stall workaround interval in msecs (0=disabled) (default: 0)");
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020088
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +020089/* 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 */
92
93
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.
Jussi Kivilinna222ec502009-06-16 17:17:32 +030097 * 100% : 20 mW ~ 13dBm
98 * 75% : 15 mW ~ 12dBm
99 * 50% : 10 mW ~ 10dBm
100 * 25% : 5 mW ~ 7dBm
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200101 */
Jussi Kivilinna222ec502009-06-16 17:17:32 +0300102#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
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200106
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +0200107/* Known device types */
108#define RNDIS_UNKNOWN 0
109#define RNDIS_BCM4320A 1
110#define RNDIS_BCM4320B 2
111
112
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200113/* NDIS data structures. Taken from wpa_supplicant driver_ndis.c
114 * slightly modified for datatype endianess, etc
115 */
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
119
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200120enum ndis_80211_net_type {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300121 NDIS_80211_TYPE_FREQ_HOP,
122 NDIS_80211_TYPE_DIRECT_SEQ,
123 NDIS_80211_TYPE_OFDM_A,
124 NDIS_80211_TYPE_OFDM_G
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200125};
126
127enum ndis_80211_net_infra {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300128 NDIS_80211_INFRA_ADHOC,
129 NDIS_80211_INFRA_INFRA,
130 NDIS_80211_INFRA_AUTO_UNKNOWN
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200131};
132
133enum ndis_80211_auth_mode {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300134 NDIS_80211_AUTH_OPEN,
135 NDIS_80211_AUTH_SHARED,
136 NDIS_80211_AUTH_AUTO_SWITCH,
137 NDIS_80211_AUTH_WPA,
138 NDIS_80211_AUTH_WPA_PSK,
139 NDIS_80211_AUTH_WPA_NONE,
140 NDIS_80211_AUTH_WPA2,
141 NDIS_80211_AUTH_WPA2_PSK
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200142};
143
144enum ndis_80211_encr_status {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300145 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
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200153};
154
155enum ndis_80211_priv_filter {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300156 NDIS_80211_PRIV_ACCEPT_ALL,
157 NDIS_80211_PRIV_8021X_WEP
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200158};
159
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300160enum 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,
165};
166
167enum ndis_80211_media_stream_mode {
168 NDIS_80211_MEDIA_STREAM_OFF,
169 NDIS_80211_MEDIA_STREAM_ON
170};
171
172enum ndis_80211_radio_status {
173 NDIS_80211_RADIO_STATUS_ON,
174 NDIS_80211_RADIO_STATUS_HARDWARE_OFF,
175 NDIS_80211_RADIO_STATUS_SOFTWARE_OFF,
176};
177
Jussi Kivilinnab4703a22009-05-22 17:40:20 +0300178enum ndis_80211_addkey_bits {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300179 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)
Jussi Kivilinnab4703a22009-05-22 17:40:20 +0300183};
184
185enum ndis_80211_addwep_bits {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +0300186 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
187 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
Jussi Kivilinnab4703a22009-05-22 17:40:20 +0300188};
189
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +0200190enum ndis_80211_power_mode {
191 NDIS_80211_POWER_MODE_CAM,
192 NDIS_80211_POWER_MODE_MAX_PSP,
193 NDIS_80211_POWER_MODE_FAST_PSP,
194};
195
Jussi Kivilinna1c706872011-11-19 13:04:21 +0200196enum ndis_80211_pmkid_cand_list_flag_bits {
197 NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
198};
199
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300200struct ndis_80211_auth_request {
201 __le32 length;
Joe Perches93803b32015-03-02 19:54:49 -0800202 u8 bssid[ETH_ALEN];
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300203 u8 padding[2];
204 __le32 flags;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000205} __packed;
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300206
207struct ndis_80211_pmkid_candidate {
Joe Perches93803b32015-03-02 19:54:49 -0800208 u8 bssid[ETH_ALEN];
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300209 u8 padding[2];
210 __le32 flags;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000211} __packed;
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300212
213struct ndis_80211_pmkid_cand_list {
214 __le32 version;
215 __le32 num_candidates;
216 struct ndis_80211_pmkid_candidate candidate_list[0];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000217} __packed;
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300218
219struct ndis_80211_status_indication {
220 __le32 status_type;
221 union {
Jussi Kivilinna53d27ea2009-09-01 15:33:06 +0300222 __le32 media_stream_mode;
223 __le32 radio_status;
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300224 struct ndis_80211_auth_request auth_request[0];
225 struct ndis_80211_pmkid_cand_list cand_list;
226 } u;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000227} __packed;
Jussi Kivilinna030645a2009-07-30 19:41:58 +0300228
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200229struct ndis_80211_ssid {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200230 __le32 length;
231 u8 essid[NDIS_802_11_LENGTH_SSID];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000232} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200233
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200234struct ndis_80211_conf_freq_hop {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200235 __le32 length;
236 __le32 hop_pattern;
237 __le32 hop_set;
238 __le32 dwell_time;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000239} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200240
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200241struct ndis_80211_conf {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200242 __le32 length;
243 __le32 beacon_period;
244 __le32 atim_window;
245 __le32 ds_config;
246 struct ndis_80211_conf_freq_hop fh_config;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000247} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200248
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200249struct ndis_80211_bssid_ex {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200250 __le32 length;
Joe Perches93803b32015-03-02 19:54:49 -0800251 u8 mac[ETH_ALEN];
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200252 u8 padding[2];
253 struct ndis_80211_ssid ssid;
254 __le32 privacy;
255 __le32 rssi;
256 __le32 net_type;
257 struct ndis_80211_conf config;
258 __le32 net_infra;
259 u8 rates[NDIS_802_11_LENGTH_RATES_EX];
260 __le32 ie_length;
261 u8 ies[0];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000262} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200263
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200264struct ndis_80211_bssid_list_ex {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200265 __le32 num_items;
266 struct ndis_80211_bssid_ex bssid[0];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000267} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200268
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200269struct ndis_80211_fixed_ies {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200270 u8 timestamp[8];
271 __le16 beacon_interval;
272 __le16 capabilities;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000273} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200274
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200275struct ndis_80211_wep_key {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200276 __le32 size;
277 __le32 index;
278 __le32 length;
279 u8 material[32];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000280} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200281
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200282struct ndis_80211_key {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200283 __le32 size;
284 __le32 index;
285 __le32 length;
Joe Perches93803b32015-03-02 19:54:49 -0800286 u8 bssid[ETH_ALEN];
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200287 u8 padding[6];
288 u8 rsc[8];
289 u8 material[32];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000290} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200291
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200292struct ndis_80211_remove_key {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200293 __le32 size;
294 __le32 index;
Joe Perches93803b32015-03-02 19:54:49 -0800295 u8 bssid[ETH_ALEN];
Jussi Kivilinna9d409342009-07-30 19:42:03 +0300296 u8 padding[2];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000297} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200298
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200299struct ndis_config_param {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200300 __le32 name_offs;
301 __le32 name_length;
302 __le32 type;
303 __le32 value_offs;
304 __le32 value_length;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000305} __packed;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200306
Scott Ashcroft43646232008-05-27 00:06:15 +0300307struct ndis_80211_assoc_info {
308 __le32 length;
309 __le16 req_ies;
310 struct req_ie {
311 __le16 capa;
312 __le16 listen_interval;
Joe Perches93803b32015-03-02 19:54:49 -0800313 u8 cur_ap_address[ETH_ALEN];
Scott Ashcroft43646232008-05-27 00:06:15 +0300314 } req_ie;
315 __le32 req_ie_length;
316 __le32 offset_req_ies;
317 __le16 resp_ies;
318 struct resp_ie {
319 __le16 capa;
320 __le16 status_code;
321 __le16 assoc_id;
322 } resp_ie;
323 __le32 resp_ie_length;
324 __le32 offset_resp_ies;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000325} __packed;
Scott Ashcroft43646232008-05-27 00:06:15 +0300326
Jussi Kivilinna03083832010-03-04 18:27:24 +0200327struct ndis_80211_auth_encr_pair {
328 __le32 auth_mode;
329 __le32 encr_mode;
Eric Dumazetba2d3582010-06-02 18:10:09 +0000330} __packed;
Jussi Kivilinna03083832010-03-04 18:27:24 +0200331
332struct ndis_80211_capability {
333 __le32 length;
334 __le32 version;
335 __le32 num_pmkids;
336 __le32 num_auth_encr_pair;
337 struct ndis_80211_auth_encr_pair auth_encr_pair[0];
Eric Dumazetba2d3582010-06-02 18:10:09 +0000338} __packed;
Jussi Kivilinna03083832010-03-04 18:27:24 +0200339
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200340struct ndis_80211_bssid_info {
Joe Perches93803b32015-03-02 19:54:49 -0800341 u8 bssid[ETH_ALEN];
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200342 u8 pmkid[16];
Jussi Kivilinna30fd9072011-11-19 13:04:16 +0200343} __packed;
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200344
345struct ndis_80211_pmkid {
346 __le32 length;
347 __le32 bssid_info_count;
348 struct ndis_80211_bssid_info bssid_info[0];
Jussi Kivilinna30fd9072011-11-19 13:04:16 +0200349} __packed;
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200350
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200351/*
352 * private data
353 */
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200354#define CAP_MODE_80211A 1
355#define CAP_MODE_80211B 2
356#define CAP_MODE_80211G 4
357#define CAP_MODE_MASK 7
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200358
Dan Carpentere3958e92015-05-14 11:37:50 +0300359#define WORK_LINK_UP 0
360#define WORK_LINK_DOWN 1
361#define WORK_SET_MULTICAST_LIST 2
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200362
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300363#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)
367
Dan Carpenterec3cbb92011-10-18 09:47:29 +0300368#define RNDIS_WLAN_NUM_KEYS 4
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300369#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)
372
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300373#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
374
John W. Linville5c8fa4f2009-03-26 23:39:53 +0200375static 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 },
390};
391
392static const struct ieee80211_rate rndis_rates[] = {
393 { .bitrate = 10 },
394 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
395 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
396 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
397 { .bitrate = 60 },
398 { .bitrate = 90 },
399 { .bitrate = 120 },
400 { .bitrate = 180 },
401 { .bitrate = 240 },
402 { .bitrate = 360 },
403 { .bitrate = 480 },
404 { .bitrate = 540 }
405};
406
Jussi Kivilinna4a7f13e2009-08-26 15:53:02 +0300407static 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,
412};
413
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +0300414struct rndis_wlan_encr_key {
415 int len;
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300416 u32 cipher;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +0300417 u8 material[32];
418 u8 bssid[ETH_ALEN];
419 bool pairwise;
420 bool tx_key;
421};
422
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200423/* RNDIS device private data */
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300424struct rndis_wlan_private {
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200425 struct usbnet *usbdev;
426
John W. Linville5c8fa4f2009-03-26 23:39:53 +0200427 struct wireless_dev wdev;
428
Jussi Kivilinna71a7b262009-03-26 23:40:31 +0200429 struct cfg80211_scan_request *scan_request;
430
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200431 struct workqueue_struct *workqueue;
Jussi Kivilinna305e2432009-08-28 13:28:14 +0300432 struct delayed_work dev_poller_work;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +0200433 struct delayed_work scan_work;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200434 struct work_struct work;
435 struct mutex command_lock;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200436 unsigned long work_pending;
Jussi Kivilinna8b89a282009-08-28 13:28:03 +0300437 int last_qual;
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +0200438 s32 cqm_rssi_thold;
439 u32 cqm_rssi_hyst;
440 int last_cqm_event_rssi;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200441
John W. Linville5c8fa4f2009-03-26 23:39:53 +0200442 struct ieee80211_supported_band band;
443 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
444 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
Jussi Kivilinna4a7f13e2009-08-26 15:53:02 +0300445 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
John W. Linville5c8fa4f2009-03-26 23:39:53 +0200446
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +0200447 int device_type;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200448 int caps;
449 int multicast_size;
450
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;
458 int param_roamdelta;
459 u32 param_workaround_interval;
460
461 /* hardware state */
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +0300462 bool radio_on;
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +0200463 int power_mode;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200464 int infra_mode;
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300465 bool connected;
Jussi Kivilinna8b89a282009-08-28 13:28:03 +0300466 u8 bssid[ETH_ALEN];
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000467 u32 current_command_oid;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200468
469 /* encryption stuff */
Jussi Kivilinna461bc262012-02-29 16:25:05 +0200470 u8 encr_tx_key_index;
Dan Carpenterec3cbb92011-10-18 09:47:29 +0300471 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200472 int wpa_version;
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300473
474 u8 command_buffer[COMMAND_BUFFER_SIZE];
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200475};
476
John W. Linville964c1d42009-03-26 23:40:01 +0200477/*
478 * cfg80211 ops
479 */
Johannes Berge36d56b2009-06-09 21:04:43 +0200480static int rndis_change_virtual_intf(struct wiphy *wiphy,
481 struct net_device *dev,
Johannes Berg818a9862017-04-12 11:23:28 +0200482 enum nl80211_iftype type,
John W. Linville964c1d42009-03-26 23:40:01 +0200483 struct vif_params *params);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200484
Johannes Bergfd014282012-06-18 19:17:03 +0200485static int rndis_scan(struct wiphy *wiphy,
Jussi Kivilinna71a7b262009-03-26 23:40:31 +0200486 struct cfg80211_scan_request *request);
487
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +0300488static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
489
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +0300490static int rndis_set_tx_power(struct wiphy *wiphy,
Johannes Bergc8442112012-10-24 10:17:18 +0200491 struct wireless_dev *wdev,
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +0300492 enum nl80211_tx_power_setting type,
493 int mbm);
Johannes Bergc8442112012-10-24 10:17:18 +0200494static int rndis_get_tx_power(struct wiphy *wiphy,
495 struct wireless_dev *wdev,
496 int *dbm);
Jussi Kivilinna222ec502009-06-16 17:17:32 +0300497
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300498static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
499 struct cfg80211_connect_params *sme);
500
501static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
502 u16 reason_code);
503
504static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
505 struct cfg80211_ibss_params *params);
506
507static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev);
508
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300509static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +0200510 u8 key_index, bool pairwise, const u8 *mac_addr,
511 struct key_params *params);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300512
513static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +0200514 u8 key_index, bool pairwise, const u8 *mac_addr);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300515
516static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Bergdbd2fd62010-12-09 19:58:59 +0100517 u8 key_index, bool unicast, bool multicast);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300518
Jussi Kivilinna8b89a282009-08-28 13:28:03 +0300519static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +0200520 const u8 *mac, struct station_info *sinfo);
Jussi Kivilinna8b89a282009-08-28 13:28:03 +0300521
Jussi Kivilinnad695df92009-08-28 13:28:09 +0300522static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
523 int idx, u8 *mac, struct station_info *sinfo);
524
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200525static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
526 struct cfg80211_pmksa *pmksa);
527
528static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
529 struct cfg80211_pmksa *pmksa);
530
531static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev);
532
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +0200533static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
534 bool enabled, int timeout);
535
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +0200536static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
537 struct net_device *dev,
538 s32 rssi_thold, u32 rssi_hyst);
539
Jussi Kivilinnac2aa4132010-12-21 22:44:27 +0200540static const struct cfg80211_ops rndis_config_ops = {
John W. Linville964c1d42009-03-26 23:40:01 +0200541 .change_virtual_intf = rndis_change_virtual_intf,
Jussi Kivilinna71a7b262009-03-26 23:40:31 +0200542 .scan = rndis_scan,
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +0300543 .set_wiphy_params = rndis_set_wiphy_params,
Jussi Kivilinna222ec502009-06-16 17:17:32 +0300544 .set_tx_power = rndis_set_tx_power,
545 .get_tx_power = rndis_get_tx_power,
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300546 .connect = rndis_connect,
547 .disconnect = rndis_disconnect,
548 .join_ibss = rndis_join_ibss,
549 .leave_ibss = rndis_leave_ibss,
Jussi Kivilinna84bf8402009-08-28 13:27:58 +0300550 .add_key = rndis_add_key,
551 .del_key = rndis_del_key,
552 .set_default_key = rndis_set_default_key,
Jussi Kivilinna8b89a282009-08-28 13:28:03 +0300553 .get_station = rndis_get_station,
Jussi Kivilinnad695df92009-08-28 13:28:09 +0300554 .dump_station = rndis_dump_station,
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +0200555 .set_pmksa = rndis_set_pmksa,
556 .del_pmksa = rndis_del_pmksa,
557 .flush_pmksa = rndis_flush_pmksa,
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +0200558 .set_power_mgmt = rndis_set_power_mgmt,
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +0200559 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
John W. Linville964c1d42009-03-26 23:40:01 +0200560};
561
Johannes Bergcaa6dfa2009-04-21 10:55:10 +0200562static void *rndis_wiphy_privid = &rndis_wiphy_privid;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200563
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200564
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300565static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200566{
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300567 return (struct rndis_wlan_private *)dev->driver_priv;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200568}
569
Jussi Kivilinna222ec502009-06-16 17:17:32 +0300570static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200571{
Jussi Kivilinna222ec502009-06-16 17:17:32 +0300572 switch (priv->param_power_output) {
573 default:
574 case 3:
575 return BCM4320_DEFAULT_TXPOWER_DBM_100;
576 case 2:
577 return BCM4320_DEFAULT_TXPOWER_DBM_75;
578 case 1:
579 return BCM4320_DEFAULT_TXPOWER_DBM_50;
580 case 0:
581 return BCM4320_DEFAULT_TXPOWER_DBM_25;
582 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200583}
584
Jussi Kivilinna461bc262012-02-29 16:25:05 +0200585static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +0300586{
587 int cipher = priv->encr_keys[idx].cipher;
588
589 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
590 cipher == WLAN_CIPHER_SUITE_TKIP);
591}
592
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300593static int rndis_cipher_to_alg(u32 cipher)
594{
595 switch (cipher) {
596 default:
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;
605 }
606}
607
608static int rndis_akm_suite_to_key_mgmt(u32 akm_suite)
609{
610 switch (akm_suite) {
611 default:
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;
617 }
618}
619
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300620#ifdef DEBUG
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000621static const char *oid_to_string(u32 oid)
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300622{
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000623 switch (oid) {
Jussi Kivilinna117599e2012-05-11 22:17:42 +0000624#define OID_STR(oid) case oid: return(#oid)
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300625 /* from rndis_host.h */
Linus Walleij8cdddc32012-05-11 22:16:08 +0000626 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);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300630
631 /* from rndis_wlan.c */
Linus Walleij8cdddc32012-05-11 22:16:08 +0000632 OID_STR(RNDIS_OID_GEN_LINK_SPEED);
633 OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300634
Linus Walleij8cdddc32012-05-11 22:16:08 +0000635 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);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300640
Linus Walleij4cc6c4d2012-05-11 22:16:16 +0000641 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);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300644
Linus Walleij4cc6c4d2012-05-11 22:16:16 +0000645 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);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300671#undef OID_STR
672 }
673
674 return "?";
675}
676#else
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000677static const char *oid_to_string(u32 oid)
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300678{
679 return "?";
680}
681#endif
682
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200683/* translate error code */
684static int rndis_error_status(__le32 rndis_status)
685{
686 int ret = -EINVAL;
Jussi Kivilinna117599e2012-05-11 22:17:42 +0000687 switch (le32_to_cpu(rndis_status)) {
688 case RNDIS_STATUS_SUCCESS:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200689 ret = 0;
690 break;
Jussi Kivilinna117599e2012-05-11 22:17:42 +0000691 case RNDIS_STATUS_FAILURE:
692 case RNDIS_STATUS_INVALID_DATA:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200693 ret = -EINVAL;
694 break;
Jussi Kivilinna117599e2012-05-11 22:17:42 +0000695 case RNDIS_STATUS_NOT_SUPPORTED:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200696 ret = -EOPNOTSUPP;
697 break;
Jussi Kivilinna117599e2012-05-11 22:17:42 +0000698 case RNDIS_STATUS_ADAPTER_NOT_READY:
699 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200700 ret = -EBUSY;
701 break;
702 }
703 return ret;
704}
705
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000706static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200707{
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300708 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200709 union {
710 void *buf;
711 struct rndis_msg_hdr *header;
712 struct rndis_query *get;
713 struct rndis_query_c *get_c;
714 } u;
715 int ret, buflen;
Jussi Kivilinna80f8c5b2010-03-04 18:27:02 +0200716 int resplen, respoffs, copylen;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200717
718 buflen = *len + sizeof(*u.get);
719 if (buflen < CONTROL_BUFFER_SIZE)
720 buflen = CONTROL_BUFFER_SIZE;
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300721
722 if (buflen > COMMAND_BUFFER_SIZE) {
723 u.buf = kmalloc(buflen, GFP_KERNEL);
724 if (!u.buf)
725 return -ENOMEM;
726 } else {
727 u.buf = priv->command_buffer;
728 }
729
730 mutex_lock(&priv->command_lock);
731
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200732 memset(u.get, 0, sizeof *u.get);
Linus Walleij7390e8b2012-05-11 22:15:39 +0000733 u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY);
Harvey Harrison35c26c22009-02-14 22:56:56 -0800734 u.get->msg_len = cpu_to_le32(sizeof *u.get);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000735 u.get->oid = cpu_to_le32(oid);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200736
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +0300737 priv->current_command_oid = oid;
Jussi Kivilinna818727b2008-06-18 15:40:12 +0300738 ret = rndis_command(dev, u.header, buflen);
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +0300739 priv->current_command_oid = 0;
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300740 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +0000741 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));
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300744
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200745 if (ret == 0) {
Jussi Kivilinna80f8c5b2010-03-04 18:27:02 +0200746 resplen = le32_to_cpu(u.get_c->len);
747 respoffs = le32_to_cpu(u.get_c->offset) + 8;
Jussi Kivilinnac1f8ca12009-11-22 20:16:42 +0200748
Jussi Kivilinna80f8c5b2010-03-04 18:27:02 +0200749 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);
754
755 ret = -EINVAL;
756 goto exit_unlock;
757 }
758
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.
762 */
763 copylen = buflen - respoffs;
764 } else {
765 copylen = resplen;
766 }
767
768 if (copylen > *len)
769 copylen = *len;
770
771 memcpy(data, u.buf + respoffs, copylen);
772
773 *len = resplen;
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300774
Jussi Kivilinnac1f8ca12009-11-22 20:16:42 +0200775 ret = rndis_error_status(u.get_c->status);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300776 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +0000777 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);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200780 }
781
Jussi Kivilinna80f8c5b2010-03-04 18:27:02 +0200782exit_unlock:
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300783 mutex_unlock(&priv->command_lock);
784
785 if (u.buf != priv->command_buffer)
786 kfree(u.buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200787 return ret;
788}
789
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000790static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data,
Joe Perches22288a52010-11-20 18:39:00 -0800791 int len)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200792{
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300793 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200794 union {
795 void *buf;
796 struct rndis_msg_hdr *header;
797 struct rndis_set *set;
798 struct rndis_set_c *set_c;
799 } u;
800 int ret, buflen;
801
802 buflen = len + sizeof(*u.set);
803 if (buflen < CONTROL_BUFFER_SIZE)
804 buflen = CONTROL_BUFFER_SIZE;
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300805
806 if (buflen > COMMAND_BUFFER_SIZE) {
807 u.buf = kmalloc(buflen, GFP_KERNEL);
808 if (!u.buf)
809 return -ENOMEM;
810 } else {
811 u.buf = priv->command_buffer;
812 }
813
814 mutex_lock(&priv->command_lock);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200815
816 memset(u.set, 0, sizeof *u.set);
Linus Walleij7390e8b2012-05-11 22:15:39 +0000817 u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200818 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000819 u.set->oid = cpu_to_le32(oid);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200820 u.set->len = cpu_to_le32(len);
Harvey Harrison35c26c22009-02-14 22:56:56 -0800821 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
822 u.set->handle = cpu_to_le32(0);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200823 memcpy(u.buf + sizeof(*u.set), data, len);
824
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +0300825 priv->current_command_oid = oid;
Jussi Kivilinna818727b2008-06-18 15:40:12 +0300826 ret = rndis_command(dev, u.header, buflen);
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +0300827 priv->current_command_oid = 0;
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300828 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +0000829 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));
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300832
833 if (ret == 0) {
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200834 ret = rndis_error_status(u.set_c->status);
835
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300836 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +0000837 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);
Jussi Kivilinna27b7b5c2009-07-30 19:41:47 +0300840 }
841
Jussi Kivilinna90d07342008-06-12 20:19:19 +0300842 mutex_unlock(&priv->command_lock);
843
844 if (u.buf != priv->command_buffer)
845 kfree(u.buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200846 return ret;
847}
848
Jussi Kivilinna7eaab702009-07-30 19:41:37 +0300849static int rndis_reset(struct usbnet *usbdev)
850{
851 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
852 struct rndis_reset *reset;
853 int ret;
854
855 mutex_lock(&priv->command_lock);
856
857 reset = (void *)priv->command_buffer;
858 memset(reset, 0, sizeof(*reset));
Linus Walleij7390e8b2012-05-11 22:15:39 +0000859 reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET);
Jussi Kivilinna7eaab702009-07-30 19:41:37 +0300860 reset->msg_len = cpu_to_le32(sizeof(*reset));
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +0300861 priv->current_command_oid = 0;
Jussi Kivilinna7eaab702009-07-30 19:41:37 +0300862 ret = rndis_command(usbdev, (void *)reset, CONTROL_BUFFER_SIZE);
863
864 mutex_unlock(&priv->command_lock);
865
866 if (ret < 0)
867 return ret;
868 return 0;
869}
870
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200871/*
872 * Specs say that we can only set config parameters only soon after device
873 * initialization.
874 * value_type: 0 = u32, 2 = unicode string
875 */
876static int rndis_set_config_parameter(struct usbnet *dev, char *param,
877 int value_type, void *value)
878{
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200879 struct ndis_config_param *infobuf;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200880 int value_len, info_len, param_len, ret, i;
881 __le16 *unibuf;
882 __le32 *dst_value;
883
884 if (value_type == 0)
885 value_len = sizeof(__le32);
886 else if (value_type == 2)
887 value_len = strlen(value) * sizeof(__le16);
888 else
889 return -EINVAL;
890
891 param_len = strlen(param) * sizeof(__le16);
892 info_len = sizeof(*infobuf) + param_len + value_len;
893
894#ifdef DEBUG
895 info_len += 12;
896#endif
897 infobuf = kmalloc(info_len, GFP_KERNEL);
898 if (!infobuf)
899 return -ENOMEM;
900
901#ifdef DEBUG
902 info_len -= 12;
903 /* extra 12 bytes are for padding (debug output) */
904 memset(infobuf, 0xCC, info_len + 12);
905#endif
906
907 if (value_type == 2)
Joe Perches60b86752010-02-17 10:30:23 +0000908 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
909 param, (u8 *)value);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200910 else
Joe Perches60b86752010-02-17 10:30:23 +0000911 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
912 param, *(u32 *)value);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200913
Jussi Kivilinna461b3f22008-03-08 01:23:25 +0200914 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);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200919
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]);
924
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]);
929 } else {
930 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len;
931 *dst_value = cpu_to_le32(*(u32 *)value);
932 }
933
934#ifdef DEBUG
Joe Perches60b86752010-02-17 10:30:23 +0000935 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200936 for (i = 0; i < info_len; i += 12) {
937 u32 *tmp = (u32 *)((u8 *)infobuf + i);
Joe Perches60b86752010-02-17 10:30:23 +0000938 netdev_dbg(dev->net, "%08X:%08X:%08X\n",
939 cpu_to_be32(tmp[0]),
940 cpu_to_be32(tmp[1]),
941 cpu_to_be32(tmp[2]));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200942 }
943#endif
944
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000945 ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200946 infobuf, info_len);
947 if (ret != 0)
Joe Perches60b86752010-02-17 10:30:23 +0000948 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
949 ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200950
951 kfree(infobuf);
952 return ret;
953}
954
955static int rndis_set_config_parameter_str(struct usbnet *dev,
956 char *param, char *value)
957{
Jussi Kivilinnac5c4fe92009-09-01 15:33:00 +0300958 return rndis_set_config_parameter(dev, param, 2, value);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200959}
960
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200961/*
962 * data conversion functions
963 */
964static int level_to_qual(int level)
965{
966 int qual = 100 * (level - WL_NOISE) / (WL_SIGMAX - WL_NOISE);
967 return qual >= 0 ? (qual <= 100 ? qual : 100) : 0;
968}
969
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200970/*
971 * common functions
972 */
Jussi Kivilinna9f77cca2009-08-28 12:59:26 +0300973static int set_infra_mode(struct usbnet *usbdev, int mode);
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +0300974static void restore_keys(struct usbnet *usbdev);
Jussi Kivilinnab5257c92010-11-09 19:25:47 +0200975static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
976 bool *matched);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200977
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +0200978static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
979{
980 __le32 tmp;
981
Linus Walleij4cc6c4d2012-05-11 22:16:16 +0000982 /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +0200983 tmp = cpu_to_le32(1);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000984 return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp,
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +0200985 sizeof(tmp));
986}
987
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +0200988static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200989{
Jussi Kivilinna582241a02009-06-04 20:13:25 +0300990 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200991 int ret;
992
Jussi Kivilinna470f16c2012-05-11 22:17:57 +0000993 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +0000994 ssid, sizeof(*ssid));
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300995 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +0000996 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +0300997 return ret;
998 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +0200999 if (ret == 0) {
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03001000 priv->radio_on = true;
Joe Perches60b86752010-02-17 10:30:23 +00001001 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001002 }
1003
1004 return ret;
1005}
1006
Joe Perches22288a52010-11-20 18:39:00 -08001007static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001008{
1009 int ret;
1010
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001011 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001012 bssid, ETH_ALEN);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001013 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001014 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1015 bssid, ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001016 return ret;
1017 }
1018
1019 return ret;
1020}
1021
1022static int clear_bssid(struct usbnet *usbdev)
1023{
Joe Perches22288a52010-11-20 18:39:00 -08001024 static const u8 broadcast_mac[ETH_ALEN] = {
1025 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1026 };
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001027
1028 return set_bssid(usbdev, broadcast_mac);
1029}
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001030
1031static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1032{
1033 int ret, len;
1034
1035 len = ETH_ALEN;
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001036 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001037 bssid, &len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001038
1039 if (ret != 0)
Joe Perches93803b32015-03-02 19:54:49 -08001040 eth_zero_addr(bssid);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001041
1042 return ret;
1043}
1044
Scott Ashcroft43646232008-05-27 00:06:15 +03001045static int get_association_info(struct usbnet *usbdev,
1046 struct ndis_80211_assoc_info *info, int len)
1047{
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001048 return rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001049 RNDIS_OID_802_11_ASSOCIATION_INFORMATION,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001050 info, &len);
Scott Ashcroft43646232008-05-27 00:06:15 +03001051}
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001052
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001053static bool is_associated(struct usbnet *usbdev)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001054{
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001055 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001056 u8 bssid[ETH_ALEN];
1057 int ret;
1058
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001059 if (!priv->radio_on)
1060 return false;
1061
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001062 ret = get_bssid(usbdev, bssid);
1063
Jussi Kivilinna7b1fff92009-08-28 12:59:15 +03001064 return (ret == 0 && !is_zero_ether_addr(bssid));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001065}
1066
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03001067static int disassociate(struct usbnet *usbdev, bool reset_ssid)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001068{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001069 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +02001070 struct ndis_80211_ssid ssid;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001071 int i, ret = 0;
1072
1073 if (priv->radio_on) {
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001074 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001075 RNDIS_OID_802_11_DISASSOCIATE,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001076 NULL, 0);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001077 if (ret == 0) {
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03001078 priv->radio_on = false;
Joe Perches60b86752010-02-17 10:30:23 +00001079 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1080 __func__);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001081
1082 if (reset_ssid)
1083 msleep(100);
1084 }
1085 }
1086
1087 /* disassociate causes radio to be turned off; if reset_ssid
1088 * is given, set random ssid to enable radio */
1089 if (reset_ssid) {
Jussi Kivilinna9f77cca2009-08-28 12:59:26 +03001090 /* Set device to infrastructure mode so we don't get ad-hoc
1091 * 'media connect' indications with the random ssid.
1092 */
1093 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
1094
Jussi Kivilinna461b3f22008-03-08 01:23:25 +02001095 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);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001101 ret = set_essid(usbdev, &ssid);
1102 }
1103 return ret;
1104}
1105
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001106static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1107 enum nl80211_auth_type auth_type, int keymgmt)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001108{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001109 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001110 __le32 tmp;
1111 int auth_mode, ret;
1112
Joe Perches60b86752010-02-17 10:30:23 +00001113 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1114 __func__, wpa_version, auth_type, keymgmt);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001115
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001116 if (wpa_version & NL80211_WPA_VERSION_2) {
1117 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001118 auth_mode = NDIS_80211_AUTH_WPA2;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001119 else
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001120 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001121 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1122 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001123 auth_mode = NDIS_80211_AUTH_WPA;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001124 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001125 auth_mode = NDIS_80211_AUTH_WPA_PSK;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001126 else
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001127 auth_mode = NDIS_80211_AUTH_WPA_NONE;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001128 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1129 auth_mode = NDIS_80211_AUTH_SHARED;
1130 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001131 auth_mode = NDIS_80211_AUTH_OPEN;
Jussi Kivilinna634a5552009-11-16 12:49:43 +02001132 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1133 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001134 else
1135 return -ENOTSUPP;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001136
1137 tmp = cpu_to_le32(auth_mode);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001138 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001139 RNDIS_OID_802_11_AUTHENTICATION_MODE,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001140 &tmp, sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001141 if (ret != 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001142 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1143 ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001144 return ret;
1145 }
1146
1147 priv->wpa_version = wpa_version;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001148
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001149 return 0;
1150}
1151
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001152static int set_priv_filter(struct usbnet *usbdev)
1153{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001154 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001155 __le32 tmp;
1156
Joe Perches60b86752010-02-17 10:30:23 +00001157 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1158 __func__, priv->wpa_version);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001159
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001160 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1161 priv->wpa_version & NL80211_WPA_VERSION_1)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001162 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001163 else
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001164 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001165
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001166 return rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001167 RNDIS_OID_802_11_PRIVACY_FILTER, &tmp,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001168 sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001169}
1170
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001171static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1172{
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001173 __le32 tmp;
1174 int encr_mode, ret;
1175
Joe Perches60b86752010-02-17 10:30:23 +00001176 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1177 __func__, pairwise, groupwise);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001178
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001179 if (pairwise & RNDIS_WLAN_ALG_CCMP)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001180 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001181 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001182 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001183 else if (pairwise & RNDIS_WLAN_ALG_WEP)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001184 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001185 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001186 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001187 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001188 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001189 else
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001190 encr_mode = NDIS_80211_ENCR_DISABLED;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001191
1192 tmp = cpu_to_le32(encr_mode);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001193 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001194 RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001195 sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001196 if (ret != 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001197 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1198 ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001199 return ret;
1200 }
1201
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001202 return 0;
1203}
1204
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001205static int set_infra_mode(struct usbnet *usbdev, int mode)
1206{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001207 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001208 __le32 tmp;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001209 int ret;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001210
Joe Perches60b86752010-02-17 10:30:23 +00001211 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1212 __func__, priv->infra_mode);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001213
1214 tmp = cpu_to_le32(mode);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001215 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001216 RNDIS_OID_802_11_INFRASTRUCTURE_MODE,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001217 &tmp, sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001218 if (ret != 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001219 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1220 ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001221 return ret;
1222 }
1223
1224 /* NDIS drivers clear keys when infrastructure mode is
1225 * changed. But Linux tools assume otherwise. So set the
1226 * keys */
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001227 restore_keys(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001228
1229 priv->infra_mode = mode;
1230 return 0;
1231}
1232
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001233static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1234{
1235 __le32 tmp;
1236
Joe Perches60b86752010-02-17 10:30:23 +00001237 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001238
Andrzej Hajda7e724da62015-09-21 15:33:55 +02001239 if (rts_threshold == -1 || rts_threshold > 2347)
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001240 rts_threshold = 2347;
1241
1242 tmp = cpu_to_le32(rts_threshold);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001243 return rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001244 RNDIS_OID_802_11_RTS_THRESHOLD,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001245 &tmp, sizeof(tmp));
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001246}
1247
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001248static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1249{
1250 __le32 tmp;
1251
Joe Perches60b86752010-02-17 10:30:23 +00001252 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001253
1254 if (frag_threshold < 256 || frag_threshold > 2346)
1255 frag_threshold = 2346;
1256
1257 tmp = cpu_to_le32(frag_threshold);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001258 return rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001259 RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001260 &tmp, sizeof(tmp));
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001261}
1262
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001263static void set_default_iw_params(struct usbnet *usbdev)
1264{
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001265 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001266 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1267 RNDIS_WLAN_KEY_MGMT_NONE);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001268 set_priv_filter(usbdev);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001269 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001270}
1271
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001272static int deauthenticate(struct usbnet *usbdev)
1273{
1274 int ret;
1275
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03001276 ret = disassociate(usbdev, true);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001277 set_default_iw_params(usbdev);
1278 return ret;
1279}
1280
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001281static int set_channel(struct usbnet *usbdev, int channel)
1282{
1283 struct ndis_80211_conf config;
1284 unsigned int dsconfig;
1285 int len, ret;
1286
Joe Perches60b86752010-02-17 10:30:23 +00001287 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001288
1289 /* this OID is valid only when not associated */
1290 if (is_associated(usbdev))
1291 return 0;
1292
Zhao, Gang3a11af82014-02-18 21:36:00 +08001293 dsconfig = 1000 *
Johannes Berg57fbcce2016-04-12 15:56:15 +02001294 ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001295
1296 len = sizeof(config);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001297 ret = rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001298 RNDIS_OID_802_11_CONFIGURATION,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001299 &config, &len);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001300 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001301 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1302 __func__);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001303 return ret;
1304 }
1305
1306 config.ds_config = cpu_to_le32(dsconfig);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001307 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001308 RNDIS_OID_802_11_CONFIGURATION,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001309 &config, sizeof(config));
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001310
Joe Perches60b86752010-02-17 10:30:23 +00001311 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001312
1313 return ret;
1314}
1315
Jussi Kivilinnacb82a662011-11-19 13:04:05 +02001316static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
Jussi Kivilinnaf808e4a2012-02-29 16:24:54 +02001317 u32 *beacon_period)
Jussi Kivilinnacb82a662011-11-19 13:04:05 +02001318{
1319 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1320 struct ieee80211_channel *channel;
1321 struct ndis_80211_conf config;
1322 int len, ret;
1323
1324 /* Get channel and beacon interval */
1325 len = sizeof(config);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001326 ret = rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001327 RNDIS_OID_802_11_CONFIGURATION,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001328 &config, &len);
1329 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
Jussi Kivilinnacb82a662011-11-19 13:04:05 +02001330 __func__, ret);
1331 if (ret < 0)
1332 return NULL;
1333
1334 channel = ieee80211_get_channel(priv->wdev.wiphy,
1335 KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
1336 if (!channel)
1337 return NULL;
1338
Jussi Kivilinnaf808e4a2012-02-29 16:24:54 +02001339 if (beacon_period)
1340 *beacon_period = le32_to_cpu(config.beacon_period);
Jussi Kivilinnacb82a662011-11-19 13:04:05 +02001341 return channel;
1342}
1343
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001344/* index must be 0 - N, as per NDIS */
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001345static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001346 u8 index)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001347{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001348 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +02001349 struct ndis_80211_wep_key ndis_key;
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001350 u32 cipher;
1351 int ret;
1352
Joe Perches60b86752010-02-17 10:30:23 +00001353 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1354 __func__, index, key_len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001355
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001356 if (index >= RNDIS_WLAN_NUM_KEYS)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001357 return -EINVAL;
1358
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001359 if (key_len == 5)
1360 cipher = WLAN_CIPHER_SUITE_WEP40;
Jussi Kivilinnaf096ce62012-02-29 16:25:00 +02001361 else if (key_len == 13)
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001362 cipher = WLAN_CIPHER_SUITE_WEP104;
Jussi Kivilinnaf096ce62012-02-29 16:25:00 +02001363 else
1364 return -EINVAL;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001365
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001366 memset(&ndis_key, 0, sizeof(ndis_key));
1367
Jussi Kivilinna461b3f22008-03-08 01:23:25 +02001368 ndis_key.size = cpu_to_le32(sizeof(ndis_key));
1369 ndis_key.length = cpu_to_le32(key_len);
1370 ndis_key.index = cpu_to_le32(index);
1371 memcpy(&ndis_key.material, key, key_len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001372
1373 if (index == priv->encr_tx_key_index) {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001374 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001375 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1376 RNDIS_WLAN_ALG_NONE);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001377 if (ret)
Joe Perches60b86752010-02-17 10:30:23 +00001378 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1379 ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001380 }
1381
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001382 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001383 RNDIS_OID_802_11_ADD_WEP, &ndis_key,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001384 sizeof(ndis_key));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001385 if (ret != 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001386 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1387 index + 1, ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001388 return ret;
1389 }
1390
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001391 priv->encr_keys[index].len = key_len;
1392 priv->encr_keys[index].cipher = cipher;
1393 memcpy(&priv->encr_keys[index].material, key, key_len);
Joe Perches93803b32015-03-02 19:54:49 -08001394 eth_broadcast_addr(priv->encr_keys[index].bssid);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001395
1396 return 0;
1397}
1398
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001399static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001400 u8 index, const u8 *addr, const u8 *rx_seq,
Jussi Kivilinna53d27ea2009-09-01 15:33:06 +03001401 int seq_len, u32 cipher, __le32 flags)
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001402{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001403 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001404 struct ndis_80211_key ndis_key;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001405 bool is_addr_ok;
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001406 int ret;
1407
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001408 if (index >= RNDIS_WLAN_NUM_KEYS) {
Joe Perches60b86752010-02-17 10:30:23 +00001409 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1410 __func__, index);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001411 return -EINVAL;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001412 }
1413 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001414 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1415 __func__, key_len);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001416 return -EINVAL;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001417 }
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001418 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1419 if (!rx_seq || seq_len <= 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001420 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1421 __func__);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001422 return -EINVAL;
1423 }
1424 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
Joe Perches60b86752010-02-17 10:30:23 +00001425 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001426 return -EINVAL;
1427 }
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001428 }
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001429
Jussi Kivilinna7b1fff92009-08-28 12:59:15 +03001430 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1431 !is_broadcast_ether_addr(addr);
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001432 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
Joe Perches60b86752010-02-17 10:30:23 +00001433 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1434 __func__, addr);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001435 return -EINVAL;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001436 }
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001437
Joe Perches60b86752010-02-17 10:30:23 +00001438 netdev_dbg(usbdev->net, "%s(%i): flags:%i%i%i\n",
1439 __func__, index,
1440 !!(flags & NDIS_80211_ADDKEY_TRANSMIT_KEY),
1441 !!(flags & NDIS_80211_ADDKEY_PAIRWISE_KEY),
1442 !!(flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ));
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001443
1444 memset(&ndis_key, 0, sizeof(ndis_key));
1445
1446 ndis_key.size = cpu_to_le32(sizeof(ndis_key) -
1447 sizeof(ndis_key.material) + key_len);
1448 ndis_key.length = cpu_to_le32(key_len);
1449 ndis_key.index = cpu_to_le32(index) | flags;
1450
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001451 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001452 /* wpa_supplicant gives us the Michael MIC RX/TX keys in
1453 * different order than NDIS spec, so swap the order here. */
1454 memcpy(ndis_key.material, key, 16);
1455 memcpy(ndis_key.material + 16, key + 24, 8);
1456 memcpy(ndis_key.material + 24, key + 16, 8);
1457 } else
1458 memcpy(ndis_key.material, key, key_len);
1459
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001460 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001461 memcpy(ndis_key.rsc, rx_seq, seq_len);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001462
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001463 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001464 /* pairwise key */
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001465 memcpy(ndis_key.bssid, addr, ETH_ALEN);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001466 } else {
1467 /* group key */
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001468 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
Joe Perches93803b32015-03-02 19:54:49 -08001469 eth_broadcast_addr(ndis_key.bssid);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001470 else
1471 get_bssid(usbdev, ndis_key.bssid);
1472 }
1473
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001474 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001475 RNDIS_OID_802_11_ADD_KEY, &ndis_key,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001476 le32_to_cpu(ndis_key.size));
1477 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
Joe Perches60b86752010-02-17 10:30:23 +00001478 __func__, ret);
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001479 if (ret != 0)
1480 return ret;
1481
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001482 memset(&priv->encr_keys[index], 0, sizeof(priv->encr_keys[index]));
1483 priv->encr_keys[index].len = key_len;
1484 priv->encr_keys[index].cipher = cipher;
1485 memcpy(&priv->encr_keys[index].material, key, key_len);
1486 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY)
1487 memcpy(&priv->encr_keys[index].bssid, ndis_key.bssid, ETH_ALEN);
1488 else
Joe Perches93803b32015-03-02 19:54:49 -08001489 eth_broadcast_addr(priv->encr_keys[index].bssid);
Jussi Kivilinna98391782009-05-22 17:40:34 +03001490
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001491 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
Jussi Kivilinnab145ee02009-05-22 17:40:27 +03001492 priv->encr_tx_key_index = index;
1493
1494 return 0;
1495}
1496
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001497static int restore_key(struct usbnet *usbdev, u8 key_idx)
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001498{
1499 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1500 struct rndis_wlan_encr_key key;
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03001501
1502 if (is_wpa_key(priv, key_idx))
1503 return 0;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001504
1505 key = priv->encr_keys[key_idx];
1506
Joe Perches60b86752010-02-17 10:30:23 +00001507 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001508
1509 if (key.len == 0)
1510 return 0;
1511
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001512 return add_wep_key(usbdev, key.material, key.len, key_idx);
1513}
1514
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001515static void restore_keys(struct usbnet *usbdev)
1516{
1517 int i;
1518
1519 for (i = 0; i < 4; i++)
1520 restore_key(usbdev, i);
1521}
1522
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001523static void clear_key(struct rndis_wlan_private *priv, u8 idx)
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001524{
1525 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1526}
1527
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001528/* remove_key is for both wep and wpa */
Jussi Kivilinna461bc262012-02-29 16:25:05 +02001529static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001530{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001531 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna1e41e1d2008-03-08 01:23:17 +02001532 struct ndis_80211_remove_key remove_key;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001533 __le32 keyindex;
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001534 bool is_wpa;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001535 int ret;
1536
Dan Carpenterec3cbb92011-10-18 09:47:29 +03001537 if (index >= RNDIS_WLAN_NUM_KEYS)
1538 return -ENOENT;
1539
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001540 if (priv->encr_keys[index].len == 0)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001541 return 0;
1542
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001543 is_wpa = is_wpa_key(priv, index);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001544
Joe Perches60b86752010-02-17 10:30:23 +00001545 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1546 __func__, index, is_wpa ? "wpa" : "wep",
1547 priv->encr_keys[index].len);
Jussi Kivilinnab7cfc5b2009-07-30 19:42:08 +03001548
1549 clear_key(priv, index);
1550
1551 if (is_wpa) {
Jussi Kivilinna461b3f22008-03-08 01:23:25 +02001552 remove_key.size = cpu_to_le32(sizeof(remove_key));
1553 remove_key.index = cpu_to_le32(index);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001554 if (bssid) {
1555 /* pairwise key */
Jussi Kivilinna7b1fff92009-08-28 12:59:15 +03001556 if (!is_broadcast_ether_addr(bssid))
Jussi Kivilinnab4703a22009-05-22 17:40:20 +03001557 remove_key.index |=
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001558 NDIS_80211_ADDKEY_PAIRWISE_KEY;
Jussi Kivilinna461b3f22008-03-08 01:23:25 +02001559 memcpy(remove_key.bssid, bssid,
1560 sizeof(remove_key.bssid));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001561 } else
Jussi Kivilinna461b3f22008-03-08 01:23:25 +02001562 memset(remove_key.bssid, 0xff,
1563 sizeof(remove_key.bssid));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001564
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001565 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001566 RNDIS_OID_802_11_REMOVE_KEY,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001567 &remove_key, sizeof(remove_key));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001568 if (ret != 0)
1569 return ret;
1570 } else {
1571 keyindex = cpu_to_le32(index);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001572 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001573 RNDIS_OID_802_11_REMOVE_WEP,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001574 &keyindex, sizeof(keyindex));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001575 if (ret != 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001576 netdev_warn(usbdev->net,
1577 "removing encryption key %d failed (%08X)\n",
1578 index, ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001579 return ret;
1580 }
1581 }
1582
1583 /* if it is transmit key, disable encryption */
1584 if (index == priv->encr_tx_key_index)
Jussi Kivilinna5c523232009-08-28 13:27:47 +03001585 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001586
1587 return 0;
1588}
1589
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001590static void set_multicast_list(struct usbnet *usbdev)
1591{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001592 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jiri Pirko22bedad32010-04-01 21:22:57 +00001593 struct netdev_hw_addr *ha;
Jiri Pirko12c34002010-03-04 03:32:16 -08001594 __le32 filter, basefilter;
1595 int ret;
1596 char *mc_addrs = NULL;
1597 int mc_count;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001598
Linus Walleij7390e8b2012-05-11 22:15:39 +00001599 basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED |
1600 RNDIS_PACKET_TYPE_BROADCAST);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001601
1602 if (usbdev->net->flags & IFF_PROMISC) {
Linus Walleij7390e8b2012-05-11 22:15:39 +00001603 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS |
1604 RNDIS_PACKET_TYPE_ALL_LOCAL);
Jiri Pirko12c34002010-03-04 03:32:16 -08001605 } else if (usbdev->net->flags & IFF_ALLMULTI) {
Linus Walleij7390e8b2012-05-11 22:15:39 +00001606 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
Jiri Pirko12c34002010-03-04 03:32:16 -08001607 }
1608
1609 if (filter != basefilter)
1610 goto set_filter;
1611
1612 /*
1613 * mc_list should be accessed holding the lock, so copy addresses to
1614 * local buffer first.
1615 */
1616 netif_addr_lock_bh(usbdev->net);
1617 mc_count = netdev_mc_count(usbdev->net);
1618 if (mc_count > priv->multicast_size) {
Linus Walleij7390e8b2012-05-11 22:15:39 +00001619 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
Jiri Pirko12c34002010-03-04 03:32:16 -08001620 } else if (mc_count) {
1621 int i = 0;
1622
Joe Perches0d2e7a52013-02-03 17:28:14 +00001623 mc_addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC);
Jiri Pirko12c34002010-03-04 03:32:16 -08001624 if (!mc_addrs) {
Jiri Pirko655ffee2010-02-27 07:35:45 +00001625 netif_addr_unlock_bh(usbdev->net);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001626 return;
1627 }
1628
Jiri Pirko22bedad32010-04-01 21:22:57 +00001629 netdev_for_each_mc_addr(ha, usbdev->net)
Jiri Pirko12c34002010-03-04 03:32:16 -08001630 memcpy(mc_addrs + i++ * ETH_ALEN,
Jiri Pirko22bedad32010-04-01 21:22:57 +00001631 ha->addr, ETH_ALEN);
Jiri Pirko12c34002010-03-04 03:32:16 -08001632 }
1633 netif_addr_unlock_bh(usbdev->net);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001634
Jiri Pirko12c34002010-03-04 03:32:16 -08001635 if (filter != basefilter)
1636 goto set_filter;
1637
1638 if (mc_count) {
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001639 ret = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001640 RNDIS_OID_802_3_MULTICAST_LIST,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001641 mc_addrs, mc_count * ETH_ALEN);
Jiri Pirko12c34002010-03-04 03:32:16 -08001642 kfree(mc_addrs);
1643 if (ret == 0)
Linus Walleij7390e8b2012-05-11 22:15:39 +00001644 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001645 else
Linus Walleij7390e8b2012-05-11 22:15:39 +00001646 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001647
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001648 netdev_dbg(usbdev->net, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
Jiri Pirko12c34002010-03-04 03:32:16 -08001649 mc_count, priv->multicast_size, ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001650 }
1651
Jiri Pirko12c34002010-03-04 03:32:16 -08001652set_filter:
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001653 ret = rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001654 sizeof(filter));
1655 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00001656 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1657 le32_to_cpu(filter));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001658 }
1659
Linus Walleij8cdddc32012-05-11 22:16:08 +00001660 netdev_dbg(usbdev->net, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
Joe Perches60b86752010-02-17 10:30:23 +00001661 le32_to_cpu(filter), ret);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001662}
1663
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001664#ifdef DEBUG
1665static void debug_print_pmkids(struct usbnet *usbdev,
1666 struct ndis_80211_pmkid *pmkids,
1667 const char *func_str)
1668{
1669 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1670 int i, len, count, max_pmkids, entry_len;
1671
1672 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1673 len = le32_to_cpu(pmkids->length);
1674 count = le32_to_cpu(pmkids->bssid_info_count);
1675
1676 entry_len = (count > 0) ? (len - sizeof(*pmkids)) / count : -1;
1677
1678 netdev_dbg(usbdev->net, "%s(): %d PMKIDs (data len: %d, entry len: "
1679 "%d)\n", func_str, count, len, entry_len);
1680
1681 if (count > max_pmkids)
1682 count = max_pmkids;
1683
1684 for (i = 0; i < count; i++) {
1685 u32 *tmp = (u32 *)pmkids->bssid_info[i].pmkid;
1686
1687 netdev_dbg(usbdev->net, "%s(): bssid: %pM, "
1688 "pmkid: %08X:%08X:%08X:%08X\n",
1689 func_str, pmkids->bssid_info[i].bssid,
1690 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
1691 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
1692 }
1693}
1694#else
1695static void debug_print_pmkids(struct usbnet *usbdev,
1696 struct ndis_80211_pmkid *pmkids,
1697 const char *func_str)
1698{
1699 return;
1700}
1701#endif
1702
1703static struct ndis_80211_pmkid *get_device_pmkids(struct usbnet *usbdev)
1704{
1705 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1706 struct ndis_80211_pmkid *pmkids;
1707 int len, ret, max_pmkids;
1708
1709 max_pmkids = priv->wdev.wiphy->max_num_pmkids;
1710 len = sizeof(*pmkids) + max_pmkids * sizeof(pmkids->bssid_info[0]);
1711
1712 pmkids = kzalloc(len, GFP_KERNEL);
1713 if (!pmkids)
1714 return ERR_PTR(-ENOMEM);
1715
1716 pmkids->length = cpu_to_le32(len);
1717 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1718
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001719 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_PMKID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001720 pmkids, &len);
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001721 if (ret < 0) {
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001722 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001723 " -> %d\n", __func__, len, max_pmkids, ret);
1724
1725 kfree(pmkids);
1726 return ERR_PTR(ret);
1727 }
1728
1729 if (le32_to_cpu(pmkids->bssid_info_count) > max_pmkids)
1730 pmkids->bssid_info_count = cpu_to_le32(max_pmkids);
1731
1732 debug_print_pmkids(usbdev, pmkids, __func__);
1733
1734 return pmkids;
1735}
1736
1737static int set_device_pmkids(struct usbnet *usbdev,
1738 struct ndis_80211_pmkid *pmkids)
1739{
1740 int ret, len, num_pmkids;
1741
1742 num_pmkids = le32_to_cpu(pmkids->bssid_info_count);
1743 len = sizeof(*pmkids) + num_pmkids * sizeof(pmkids->bssid_info[0]);
1744 pmkids->length = cpu_to_le32(len);
1745
1746 debug_print_pmkids(usbdev, pmkids, __func__);
1747
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00001748 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, pmkids,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001749 le32_to_cpu(pmkids->length));
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001750 if (ret < 0) {
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00001751 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001752 "\n", __func__, len, num_pmkids, ret);
1753 }
1754
1755 kfree(pmkids);
1756 return ret;
1757}
1758
1759static struct ndis_80211_pmkid *remove_pmkid(struct usbnet *usbdev,
1760 struct ndis_80211_pmkid *pmkids,
1761 struct cfg80211_pmksa *pmksa,
1762 int max_pmkids)
1763{
Dan Carpenter551d6fe2012-02-29 09:36:57 +03001764 int i, newlen, err;
1765 unsigned int count;
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001766
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001767 count = le32_to_cpu(pmkids->bssid_info_count);
1768
1769 if (count > max_pmkids)
1770 count = max_pmkids;
1771
1772 for (i = 0; i < count; i++)
Joe Perches2e42e472012-05-09 17:17:46 +00001773 if (ether_addr_equal(pmkids->bssid_info[i].bssid,
1774 pmksa->bssid))
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001775 break;
1776
1777 /* pmkid not found */
1778 if (i == count) {
1779 netdev_dbg(usbdev->net, "%s(): bssid not found (%pM)\n",
1780 __func__, pmksa->bssid);
1781 err = -ENOENT;
1782 goto error;
1783 }
1784
1785 for (; i + 1 < count; i++)
1786 pmkids->bssid_info[i] = pmkids->bssid_info[i + 1];
1787
1788 count--;
1789 newlen = sizeof(*pmkids) + count * sizeof(pmkids->bssid_info[0]);
1790
1791 pmkids->length = cpu_to_le32(newlen);
1792 pmkids->bssid_info_count = cpu_to_le32(count);
1793
1794 return pmkids;
1795error:
1796 kfree(pmkids);
1797 return ERR_PTR(err);
1798}
1799
1800static struct ndis_80211_pmkid *update_pmkid(struct usbnet *usbdev,
1801 struct ndis_80211_pmkid *pmkids,
1802 struct cfg80211_pmksa *pmksa,
1803 int max_pmkids)
1804{
Alexey Khoroshilov60f53cf2012-08-08 19:44:21 +04001805 struct ndis_80211_pmkid *new_pmkids;
Dan Carpenter551d6fe2012-02-29 09:36:57 +03001806 int i, err, newlen;
1807 unsigned int count;
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001808
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001809 count = le32_to_cpu(pmkids->bssid_info_count);
1810
1811 if (count > max_pmkids)
1812 count = max_pmkids;
1813
1814 /* update with new pmkid */
1815 for (i = 0; i < count; i++) {
Joe Perches2e42e472012-05-09 17:17:46 +00001816 if (!ether_addr_equal(pmkids->bssid_info[i].bssid,
1817 pmksa->bssid))
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001818 continue;
1819
1820 memcpy(pmkids->bssid_info[i].pmkid, pmksa->pmkid,
1821 WLAN_PMKID_LEN);
1822
1823 return pmkids;
1824 }
1825
1826 /* out of space, return error */
1827 if (i == max_pmkids) {
1828 netdev_dbg(usbdev->net, "%s(): out of space\n", __func__);
1829 err = -ENOSPC;
1830 goto error;
1831 }
1832
1833 /* add new pmkid */
1834 newlen = sizeof(*pmkids) + (count + 1) * sizeof(pmkids->bssid_info[0]);
1835
Alexey Khoroshilov60f53cf2012-08-08 19:44:21 +04001836 new_pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1837 if (!new_pmkids) {
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001838 err = -ENOMEM;
1839 goto error;
1840 }
Alexey Khoroshilov60f53cf2012-08-08 19:44:21 +04001841 pmkids = new_pmkids;
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02001842
1843 pmkids->length = cpu_to_le32(newlen);
1844 pmkids->bssid_info_count = cpu_to_le32(count + 1);
1845
1846 memcpy(pmkids->bssid_info[count].bssid, pmksa->bssid, ETH_ALEN);
1847 memcpy(pmkids->bssid_info[count].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
1848
1849 return pmkids;
1850error:
1851 kfree(pmkids);
1852 return ERR_PTR(err);
1853}
1854
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02001855/*
John W. Linville964c1d42009-03-26 23:40:01 +02001856 * cfg80211 ops
1857 */
Johannes Berge36d56b2009-06-09 21:04:43 +02001858static int rndis_change_virtual_intf(struct wiphy *wiphy,
1859 struct net_device *dev,
Johannes Berg818a9862017-04-12 11:23:28 +02001860 enum nl80211_iftype type,
John W. Linville964c1d42009-03-26 23:40:01 +02001861 struct vif_params *params)
1862{
Jussi Kivilinna16139172009-08-28 12:59:21 +03001863 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1864 struct usbnet *usbdev = priv->usbdev;
John W. Linville964c1d42009-03-26 23:40:01 +02001865 int mode;
1866
John W. Linville964c1d42009-03-26 23:40:01 +02001867 switch (type) {
1868 case NL80211_IFTYPE_ADHOC:
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001869 mode = NDIS_80211_INFRA_ADHOC;
John W. Linville964c1d42009-03-26 23:40:01 +02001870 break;
1871 case NL80211_IFTYPE_STATION:
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03001872 mode = NDIS_80211_INFRA_INFRA;
John W. Linville964c1d42009-03-26 23:40:01 +02001873 break;
1874 default:
1875 return -EINVAL;
1876 }
1877
Jussi Kivilinna16139172009-08-28 12:59:21 +03001878 priv->wdev.iftype = type;
1879
John W. Linville964c1d42009-03-26 23:40:01 +02001880 return set_infra_mode(usbdev, mode);
1881}
1882
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03001883static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1884{
1885 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1886 struct usbnet *usbdev = priv->usbdev;
1887 int err;
1888
1889 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1890 err = set_frag_threshold(usbdev, wiphy->frag_threshold);
1891 if (err < 0)
1892 return err;
1893 }
1894
1895 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1896 err = set_rts_threshold(usbdev, wiphy->rts_threshold);
1897 if (err < 0)
1898 return err;
1899 }
1900
1901 return 0;
1902}
1903
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03001904static int rndis_set_tx_power(struct wiphy *wiphy,
Johannes Bergc8442112012-10-24 10:17:18 +02001905 struct wireless_dev *wdev,
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03001906 enum nl80211_tx_power_setting type,
1907 int mbm)
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001908{
1909 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1910 struct usbnet *usbdev = priv->usbdev;
1911
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03001912 netdev_dbg(usbdev->net, "%s(): type:0x%x mbm:%i\n",
1913 __func__, type, mbm);
1914
1915 if (mbm < 0 || (mbm % 100))
1916 return -ENOTSUPP;
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001917
1918 /* Device doesn't support changing txpower after initialization, only
1919 * turn off/on radio. Support 'auto' mode and setting same dBm that is
1920 * currently used.
1921 */
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03001922 if (type == NL80211_TX_POWER_AUTOMATIC ||
1923 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001924 if (!priv->radio_on)
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03001925 disassociate(usbdev, true); /* turn on radio */
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001926
1927 return 0;
1928 }
1929
1930 return -ENOTSUPP;
1931}
1932
Johannes Bergc8442112012-10-24 10:17:18 +02001933static int rndis_get_tx_power(struct wiphy *wiphy,
1934 struct wireless_dev *wdev,
1935 int *dbm)
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001936{
1937 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1938 struct usbnet *usbdev = priv->usbdev;
1939
1940 *dbm = get_bcm4320_power_dbm(priv);
1941
Joe Perches60b86752010-02-17 10:30:23 +00001942 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
Jussi Kivilinna222ec502009-06-16 17:17:32 +03001943
1944 return 0;
1945}
1946
Jussi Kivilinnab1d25a62009-08-28 12:59:05 +03001947#define SCAN_DELAY_JIFFIES (6 * HZ)
Johannes Bergfd014282012-06-18 19:17:03 +02001948static int rndis_scan(struct wiphy *wiphy,
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001949 struct cfg80211_scan_request *request)
1950{
Johannes Bergfd014282012-06-18 19:17:03 +02001951 struct net_device *dev = request->wdev->netdev;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001952 struct usbnet *usbdev = netdev_priv(dev);
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001953 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001954 int ret;
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02001955 int delay = SCAN_DELAY_JIFFIES;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001956
Joe Perches60b86752010-02-17 10:30:23 +00001957 netdev_dbg(usbdev->net, "cfg80211.scan\n");
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001958
Jussi Kivilinnadb0dd392009-08-28 12:58:55 +03001959 /* Get current bssid list from device before new scan, as new scan
1960 * clears internal bssid list.
1961 */
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02001962 rndis_check_bssid_list(usbdev, NULL, NULL);
Jussi Kivilinnadb0dd392009-08-28 12:58:55 +03001963
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001964 if (priv->scan_request && priv->scan_request != request)
1965 return -EBUSY;
1966
1967 priv->scan_request = request;
1968
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02001969 ret = rndis_start_bssid_list_scan(usbdev);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001970 if (ret == 0) {
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02001971 if (priv->device_type == RNDIS_BCM4320A)
1972 delay = HZ;
1973
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001974 /* Wait before retrieving scan results from device */
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02001975 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001976 }
1977
1978 return ret;
1979}
1980
Jussi Kivilinnaa64e2e22011-10-28 08:05:58 +03001981static bool rndis_bss_info_update(struct usbnet *usbdev,
1982 struct ndis_80211_bssid_ex *bssid)
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001983{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03001984 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001985 struct ieee80211_channel *channel;
Jussi Kivilinnaa64e2e22011-10-28 08:05:58 +03001986 struct cfg80211_bss *bss;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001987 s32 signal;
1988 u64 timestamp;
1989 u16 capability;
1990 u16 beacon_interval;
1991 struct ndis_80211_fixed_ies *fixed;
1992 int ie_len, bssid_len;
1993 u8 *ie;
1994
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02001995 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
1996 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
Jussi Kivilinna5fd8f252009-08-28 12:59:00 +03001997
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02001998 /* parse bssid structure */
1999 bssid_len = le32_to_cpu(bssid->length);
2000
2001 if (bssid_len < sizeof(struct ndis_80211_bssid_ex) +
2002 sizeof(struct ndis_80211_fixed_ies))
2003 return NULL;
2004
2005 fixed = (struct ndis_80211_fixed_ies *)bssid->ies;
2006
2007 ie = (void *)(bssid->ies + sizeof(struct ndis_80211_fixed_ies));
2008 ie_len = min(bssid_len - (int)sizeof(*bssid),
2009 (int)le32_to_cpu(bssid->ie_length));
2010 ie_len -= sizeof(struct ndis_80211_fixed_ies);
2011 if (ie_len < 0)
2012 return NULL;
2013
2014 /* extract data for cfg80211_inform_bss */
2015 channel = ieee80211_get_channel(priv->wdev.wiphy,
2016 KHZ_TO_MHZ(le32_to_cpu(bssid->config.ds_config)));
2017 if (!channel)
2018 return NULL;
2019
2020 signal = level_to_qual(le32_to_cpu(bssid->rssi));
2021 timestamp = le64_to_cpu(*(__le64 *)fixed->timestamp);
2022 capability = le16_to_cpu(fixed->capabilities);
2023 beacon_interval = le16_to_cpu(fixed->beacon_interval);
2024
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02002025 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel,
2026 CFG80211_BSS_FTYPE_UNKNOWN, bssid->mac,
2027 timestamp, capability, beacon_interval,
2028 ie, ie_len, signal, GFP_KERNEL);
Johannes Berg5b112d32013-02-01 01:49:58 +01002029 cfg80211_put_bss(priv->wdev.wiphy, bss);
Jussi Kivilinnaa64e2e22011-10-28 08:05:58 +03002030
2031 return (bss != NULL);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002032}
2033
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002034static struct ndis_80211_bssid_ex *next_bssid_list_item(
2035 struct ndis_80211_bssid_ex *bssid,
2036 int *bssid_len, void *buf, int len)
2037{
2038 void *buf_end, *bssid_end;
2039
2040 buf_end = (char *)buf + len;
2041 bssid_end = (char *)bssid + *bssid_len;
2042
2043 if ((int)(buf_end - bssid_end) < sizeof(bssid->length)) {
2044 *bssid_len = 0;
2045 return NULL;
2046 } else {
2047 bssid = (void *)((char *)bssid + *bssid_len);
2048 *bssid_len = le32_to_cpu(bssid->length);
2049 return bssid;
2050 }
2051}
2052
2053static bool check_bssid_list_item(struct ndis_80211_bssid_ex *bssid,
2054 int bssid_len, void *buf, int len)
2055{
2056 void *buf_end, *bssid_end;
2057
2058 if (!bssid || bssid_len <= 0 || bssid_len > len)
2059 return false;
2060
2061 buf_end = (char *)buf + len;
2062 bssid_end = (char *)bssid + bssid_len;
2063
2064 return (int)(buf_end - bssid_end) >= 0 && (int)(bssid_end - buf) >= 0;
2065}
2066
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002067static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2068 bool *matched)
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002069{
2070 void *buf = NULL;
2071 struct ndis_80211_bssid_list_ex *bssid_list;
2072 struct ndis_80211_bssid_ex *bssid;
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002073 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002074
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002075 netdev_dbg(usbdev->net, "%s()\n", __func__);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002076
2077 len = CONTROL_BUFFER_SIZE;
Jussi Kivilinna5fd8f252009-08-28 12:59:00 +03002078resize_buf:
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002079 buf = kzalloc(len, GFP_KERNEL);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002080 if (!buf) {
2081 ret = -ENOMEM;
2082 goto out;
2083 }
2084
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002085 /* BSSID-list might have got bigger last time we checked, keep
2086 * resizing until it won't get any bigger.
2087 */
2088 new_len = len;
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002089 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002090 buf, &new_len);
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002091 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002092 goto out;
2093
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002094 if (new_len > len) {
2095 len = new_len;
Jussi Kivilinna5fd8f252009-08-28 12:59:00 +03002096 kfree(buf);
2097 goto resize_buf;
2098 }
2099
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002100 len = new_len;
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002101
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002102 bssid_list = buf;
2103 count = le32_to_cpu(bssid_list->num_items);
2104 real_count = 0;
2105 netdev_dbg(usbdev->net, "%s(): buflen: %d\n", __func__, len);
2106
2107 bssid_len = 0;
2108 bssid = next_bssid_list_item(bssid_list->bssid, &bssid_len, buf, len);
2109
2110 /* Device returns incorrect 'num_items'. Workaround by ignoring the
2111 * received 'num_items' and walking through full bssid buffer instead.
2112 */
2113 while (check_bssid_list_item(bssid, bssid_len, buf, len)) {
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002114 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2115 matched) {
Jussi Kivilinnab0fd49b2012-06-09 18:45:20 +03002116 if (ether_addr_equal(bssid->mac, match_bssid))
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002117 *matched = true;
2118 }
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002119
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002120 real_count++;
2121 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002122 }
2123
Jussi Kivilinnabfe38502010-12-21 22:44:05 +02002124 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2125 " %d\n", __func__, count, real_count);
2126
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002127out:
2128 kfree(buf);
2129 return ret;
2130}
2131
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002132static void rndis_get_scan_results(struct work_struct *work)
2133{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03002134 struct rndis_wlan_private *priv =
2135 container_of(work, struct rndis_wlan_private, scan_work.work);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002136 struct usbnet *usbdev = priv->usbdev;
Avraham Stern1d762502016-07-05 17:10:13 +03002137 struct cfg80211_scan_info info = {};
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002138 int ret;
2139
Joe Perches60b86752010-02-17 10:30:23 +00002140 netdev_dbg(usbdev->net, "get_scan_results\n");
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002141
Jussi Kivilinna005ba2f2009-07-30 19:41:31 +03002142 if (!priv->scan_request)
2143 return;
2144
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002145 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002146
Avraham Stern1d762502016-07-05 17:10:13 +03002147 info.aborted = ret < 0;
2148 cfg80211_scan_done(priv->scan_request, &info);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02002149
2150 priv->scan_request = NULL;
2151}
2152
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002153static int rndis_connect(struct wiphy *wiphy, struct net_device *dev,
2154 struct cfg80211_connect_params *sme)
2155{
2156 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2157 struct usbnet *usbdev = priv->usbdev;
2158 struct ieee80211_channel *channel = sme->channel;
2159 struct ndis_80211_ssid ssid;
2160 int pairwise = RNDIS_WLAN_ALG_NONE;
2161 int groupwise = RNDIS_WLAN_ALG_NONE;
2162 int keymgmt = RNDIS_WLAN_KEY_MGMT_NONE;
2163 int length, i, ret, chan = -1;
2164
2165 if (channel)
2166 chan = ieee80211_frequency_to_channel(channel->center_freq);
2167
2168 groupwise = rndis_cipher_to_alg(sme->crypto.cipher_group);
2169 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++)
2170 pairwise |=
2171 rndis_cipher_to_alg(sme->crypto.ciphers_pairwise[i]);
2172
2173 if (sme->crypto.n_ciphers_pairwise > 0 &&
2174 pairwise == RNDIS_WLAN_ALG_NONE) {
Joe Perches60b86752010-02-17 10:30:23 +00002175 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002176 return -ENOTSUPP;
2177 }
2178
2179 for (i = 0; i < sme->crypto.n_akm_suites; i++)
2180 keymgmt |=
2181 rndis_akm_suite_to_key_mgmt(sme->crypto.akm_suites[i]);
2182
2183 if (sme->crypto.n_akm_suites > 0 &&
2184 keymgmt == RNDIS_WLAN_KEY_MGMT_NONE) {
Joe Perches60b86752010-02-17 10:30:23 +00002185 netdev_err(usbdev->net, "Invalid keymgmt\n");
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002186 return -ENOTSUPP;
2187 }
2188
Joe Perches60b86752010-02-17 10:30:23 +00002189 netdev_dbg(usbdev->net, "cfg80211.connect('%.32s':[%pM]:%d:[%d,0x%x:0x%x]:[0x%x:0x%x]:0x%x)\n",
2190 sme->ssid, sme->bssid, chan,
2191 sme->privacy, sme->crypto.wpa_versions, sme->auth_type,
2192 groupwise, pairwise, keymgmt);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002193
2194 if (is_associated(usbdev))
2195 disassociate(usbdev, false);
2196
2197 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2198 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002199 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2200 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002201 goto err_turn_radio_on;
2202 }
2203
2204 ret = set_auth_mode(usbdev, sme->crypto.wpa_versions, sme->auth_type,
2205 keymgmt);
2206 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002207 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2208 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002209 goto err_turn_radio_on;
2210 }
2211
2212 set_priv_filter(usbdev);
2213
2214 ret = set_encr_mode(usbdev, pairwise, groupwise);
2215 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002216 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2217 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002218 goto err_turn_radio_on;
2219 }
2220
2221 if (channel) {
2222 ret = set_channel(usbdev, chan);
2223 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002224 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2225 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002226 goto err_turn_radio_on;
2227 }
2228 }
2229
2230 if (sme->key && ((groupwise | pairwise) & RNDIS_WLAN_ALG_WEP)) {
2231 priv->encr_tx_key_index = sme->key_idx;
2232 ret = add_wep_key(usbdev, sme->key, sme->key_len, sme->key_idx);
2233 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002234 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2235 ret, sme->key_len, sme->key_idx);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002236 goto err_turn_radio_on;
2237 }
2238 }
2239
2240 if (sme->bssid && !is_zero_ether_addr(sme->bssid) &&
2241 !is_broadcast_ether_addr(sme->bssid)) {
2242 ret = set_bssid(usbdev, sme->bssid);
2243 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002244 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2245 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002246 goto err_turn_radio_on;
2247 }
2248 } else
2249 clear_bssid(usbdev);
2250
2251 length = sme->ssid_len;
2252 if (length > NDIS_802_11_LENGTH_SSID)
2253 length = NDIS_802_11_LENGTH_SSID;
2254
2255 memset(&ssid, 0, sizeof(ssid));
2256 ssid.length = cpu_to_le32(length);
2257 memcpy(ssid.essid, sme->ssid, length);
2258
2259 /* Pause and purge rx queue, so we don't pass packets before
2260 * 'media connect'-indication.
2261 */
2262 usbnet_pause_rx(usbdev);
2263 usbnet_purge_paused_rxq(usbdev);
2264
2265 ret = set_essid(usbdev, &ssid);
2266 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +00002267 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002268 return ret;
2269
2270err_turn_radio_on:
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03002271 disassociate(usbdev, true);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002272
2273 return ret;
2274}
2275
2276static int rndis_disconnect(struct wiphy *wiphy, struct net_device *dev,
2277 u16 reason_code)
2278{
2279 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2280 struct usbnet *usbdev = priv->usbdev;
2281
Joe Perches60b86752010-02-17 10:30:23 +00002282 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002283
2284 priv->connected = false;
Joe Perches93803b32015-03-02 19:54:49 -08002285 eth_zero_addr(priv->bssid);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002286
2287 return deauthenticate(usbdev);
2288}
2289
2290static int rndis_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2291 struct cfg80211_ibss_params *params)
2292{
2293 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2294 struct usbnet *usbdev = priv->usbdev;
Johannes Berg683b6d32012-11-08 21:25:48 +01002295 struct ieee80211_channel *channel = params->chandef.chan;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002296 struct ndis_80211_ssid ssid;
2297 enum nl80211_auth_type auth_type;
2298 int ret, alg, length, chan = -1;
2299
2300 if (channel)
2301 chan = ieee80211_frequency_to_channel(channel->center_freq);
2302
2303 /* TODO: How to handle ad-hoc encryption?
2304 * connect() has *key, join_ibss() doesn't. RNDIS requires key to be
2305 * pre-shared for encryption (open/shared/wpa), is key set before
2306 * join_ibss? Which auth_type to use (not in params)? What about WPA?
2307 */
2308 if (params->privacy) {
2309 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
2310 alg = RNDIS_WLAN_ALG_WEP;
2311 } else {
2312 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2313 alg = RNDIS_WLAN_ALG_NONE;
2314 }
2315
Joe Perches60b86752010-02-17 10:30:23 +00002316 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2317 params->ssid, params->bssid, chan, params->privacy);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002318
2319 if (is_associated(usbdev))
2320 disassociate(usbdev, false);
2321
2322 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2323 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002324 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2325 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002326 goto err_turn_radio_on;
2327 }
2328
2329 ret = set_auth_mode(usbdev, 0, auth_type, RNDIS_WLAN_KEY_MGMT_NONE);
2330 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002331 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2332 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002333 goto err_turn_radio_on;
2334 }
2335
2336 set_priv_filter(usbdev);
2337
2338 ret = set_encr_mode(usbdev, alg, RNDIS_WLAN_ALG_NONE);
2339 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002340 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2341 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002342 goto err_turn_radio_on;
2343 }
2344
2345 if (channel) {
2346 ret = set_channel(usbdev, chan);
2347 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002348 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2349 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002350 goto err_turn_radio_on;
2351 }
2352 }
2353
2354 if (params->bssid && !is_zero_ether_addr(params->bssid) &&
2355 !is_broadcast_ether_addr(params->bssid)) {
2356 ret = set_bssid(usbdev, params->bssid);
2357 if (ret < 0) {
Joe Perches60b86752010-02-17 10:30:23 +00002358 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2359 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002360 goto err_turn_radio_on;
2361 }
2362 } else
2363 clear_bssid(usbdev);
2364
2365 length = params->ssid_len;
2366 if (length > NDIS_802_11_LENGTH_SSID)
2367 length = NDIS_802_11_LENGTH_SSID;
2368
2369 memset(&ssid, 0, sizeof(ssid));
2370 ssid.length = cpu_to_le32(length);
2371 memcpy(ssid.essid, params->ssid, length);
2372
2373 /* Don't need to pause rx queue for ad-hoc. */
2374 usbnet_purge_paused_rxq(usbdev);
2375 usbnet_resume_rx(usbdev);
2376
2377 ret = set_essid(usbdev, &ssid);
2378 if (ret < 0)
Joe Perches60b86752010-02-17 10:30:23 +00002379 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2380 ret);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002381 return ret;
2382
2383err_turn_radio_on:
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03002384 disassociate(usbdev, true);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002385
2386 return ret;
2387}
2388
2389static int rndis_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2390{
2391 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2392 struct usbnet *usbdev = priv->usbdev;
2393
Joe Perches60b86752010-02-17 10:30:23 +00002394 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002395
2396 priv->connected = false;
Joe Perches93803b32015-03-02 19:54:49 -08002397 eth_zero_addr(priv->bssid);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002398
2399 return deauthenticate(usbdev);
2400}
2401
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002402static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002403 u8 key_index, bool pairwise, const u8 *mac_addr,
2404 struct key_params *params)
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002405{
2406 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2407 struct usbnet *usbdev = priv->usbdev;
Jussi Kivilinna53d27ea2009-09-01 15:33:06 +03002408 __le32 flags;
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002409
Joe Perches60b86752010-02-17 10:30:23 +00002410 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2411 __func__, key_index, mac_addr, params->cipher);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002412
2413 switch (params->cipher) {
2414 case WLAN_CIPHER_SUITE_WEP40:
2415 case WLAN_CIPHER_SUITE_WEP104:
2416 return add_wep_key(usbdev, params->key, params->key_len,
2417 key_index);
2418 case WLAN_CIPHER_SUITE_TKIP:
2419 case WLAN_CIPHER_SUITE_CCMP:
2420 flags = 0;
2421
2422 if (params->seq && params->seq_len > 0)
2423 flags |= NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ;
2424 if (mac_addr)
2425 flags |= NDIS_80211_ADDKEY_PAIRWISE_KEY |
2426 NDIS_80211_ADDKEY_TRANSMIT_KEY;
2427
2428 return add_wpa_key(usbdev, params->key, params->key_len,
2429 key_index, mac_addr, params->seq,
2430 params->seq_len, params->cipher, flags);
2431 default:
Joe Perches60b86752010-02-17 10:30:23 +00002432 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2433 __func__, params->cipher);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002434 return -ENOTSUPP;
2435 }
2436}
2437
2438static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002439 u8 key_index, bool pairwise, const u8 *mac_addr)
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002440{
2441 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2442 struct usbnet *usbdev = priv->usbdev;
2443
Joe Perches60b86752010-02-17 10:30:23 +00002444 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002445
2446 return remove_key(usbdev, key_index, mac_addr);
2447}
2448
2449static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
Johannes Bergdbd2fd62010-12-09 19:58:59 +01002450 u8 key_index, bool unicast, bool multicast)
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002451{
2452 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2453 struct usbnet *usbdev = priv->usbdev;
2454 struct rndis_wlan_encr_key key;
2455
Joe Perches60b86752010-02-17 10:30:23 +00002456 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002457
Dan Carpenterec3cbb92011-10-18 09:47:29 +03002458 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2459 return -ENOENT;
2460
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002461 priv->encr_tx_key_index = key_index;
2462
Jussi Kivilinna0b578022010-12-21 22:44:12 +02002463 if (is_wpa_key(priv, key_index))
2464 return 0;
2465
Jussi Kivilinna84bf8402009-08-28 13:27:58 +03002466 key = priv->encr_keys[key_index];
2467
2468 return add_wep_key(usbdev, key.material, key.len, key_index);
2469}
2470
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002471static void rndis_fill_station_info(struct usbnet *usbdev,
2472 struct station_info *sinfo)
2473{
2474 __le32 linkspeed, rssi;
2475 int ret, len;
2476
2477 memset(sinfo, 0, sizeof(*sinfo));
2478
2479 len = sizeof(linkspeed);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002480 ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len);
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002481 if (ret == 0) {
2482 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
Johannes Berg319090b2014-11-17 14:08:11 +01002483 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002484 }
2485
2486 len = sizeof(rssi);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002487 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002488 &rssi, &len);
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002489 if (ret == 0) {
2490 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
Johannes Berg319090b2014-11-17 14:08:11 +01002491 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002492 }
2493}
2494
2495static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002496 const u8 *mac, struct station_info *sinfo)
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002497{
2498 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2499 struct usbnet *usbdev = priv->usbdev;
2500
Joe Perches2e42e472012-05-09 17:17:46 +00002501 if (!ether_addr_equal(priv->bssid, mac))
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002502 return -ENOENT;
2503
2504 rndis_fill_station_info(usbdev, sinfo);
2505
2506 return 0;
2507}
2508
Jussi Kivilinnad695df92009-08-28 13:28:09 +03002509static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
2510 int idx, u8 *mac, struct station_info *sinfo)
2511{
2512 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2513 struct usbnet *usbdev = priv->usbdev;
2514
2515 if (idx != 0)
2516 return -ENOENT;
2517
2518 memcpy(mac, priv->bssid, ETH_ALEN);
2519
2520 rndis_fill_station_info(usbdev, sinfo);
2521
2522 return 0;
2523}
2524
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02002525static int rndis_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2526 struct cfg80211_pmksa *pmksa)
2527{
2528 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2529 struct usbnet *usbdev = priv->usbdev;
2530 struct ndis_80211_pmkid *pmkids;
2531 u32 *tmp = (u32 *)pmksa->pmkid;
2532
2533 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2534 pmksa->bssid,
2535 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2536 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2537
2538 pmkids = get_device_pmkids(usbdev);
2539 if (IS_ERR(pmkids)) {
2540 /* couldn't read PMKID cache from device */
2541 return PTR_ERR(pmkids);
2542 }
2543
2544 pmkids = update_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2545 if (IS_ERR(pmkids)) {
2546 /* not found, list full, etc */
2547 return PTR_ERR(pmkids);
2548 }
2549
2550 return set_device_pmkids(usbdev, pmkids);
2551}
2552
2553static int rndis_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
2554 struct cfg80211_pmksa *pmksa)
2555{
2556 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2557 struct usbnet *usbdev = priv->usbdev;
2558 struct ndis_80211_pmkid *pmkids;
2559 u32 *tmp = (u32 *)pmksa->pmkid;
2560
2561 netdev_dbg(usbdev->net, "%s(%pM, %08X:%08X:%08X:%08X)\n", __func__,
2562 pmksa->bssid,
2563 cpu_to_be32(tmp[0]), cpu_to_be32(tmp[1]),
2564 cpu_to_be32(tmp[2]), cpu_to_be32(tmp[3]));
2565
2566 pmkids = get_device_pmkids(usbdev);
2567 if (IS_ERR(pmkids)) {
2568 /* Couldn't read PMKID cache from device */
2569 return PTR_ERR(pmkids);
2570 }
2571
2572 pmkids = remove_pmkid(usbdev, pmkids, pmksa, wiphy->max_num_pmkids);
2573 if (IS_ERR(pmkids)) {
2574 /* not found, etc */
2575 return PTR_ERR(pmkids);
2576 }
2577
2578 return set_device_pmkids(usbdev, pmkids);
2579}
2580
2581static int rndis_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
2582{
2583 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2584 struct usbnet *usbdev = priv->usbdev;
2585 struct ndis_80211_pmkid pmkid;
2586
2587 netdev_dbg(usbdev->net, "%s()\n", __func__);
2588
2589 memset(&pmkid, 0, sizeof(pmkid));
2590
2591 pmkid.length = cpu_to_le32(sizeof(pmkid));
2592 pmkid.bssid_info_count = cpu_to_le32(0);
2593
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002594 return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002595 &pmkid, sizeof(pmkid));
Jussi Kivilinna5a7d0582010-03-04 18:27:36 +02002596}
2597
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +02002598static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2599 bool enabled, int timeout)
2600{
2601 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2602 struct usbnet *usbdev = priv->usbdev;
2603 int power_mode;
2604 __le32 mode;
2605 int ret;
2606
Jussi Kivilinna63453c02011-02-24 12:25:42 +02002607 if (priv->device_type != RNDIS_BCM4320B)
2608 return -ENOTSUPP;
2609
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +02002610 netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
2611 enabled ? "enabled" : "disabled",
2612 timeout);
2613
2614 if (enabled)
2615 power_mode = NDIS_80211_POWER_MODE_FAST_PSP;
2616 else
2617 power_mode = NDIS_80211_POWER_MODE_CAM;
2618
2619 if (power_mode == priv->power_mode)
2620 return 0;
2621
2622 priv->power_mode = power_mode;
2623
2624 mode = cpu_to_le32(power_mode);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002625 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002626 &mode, sizeof(mode));
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +02002627
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002628 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +02002629 __func__, ret);
2630
2631 return ret;
2632}
2633
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +02002634static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
2635 struct net_device *dev,
2636 s32 rssi_thold, u32 rssi_hyst)
2637{
2638 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2639
2640 priv->cqm_rssi_thold = rssi_thold;
2641 priv->cqm_rssi_hyst = rssi_hyst;
2642 priv->last_cqm_event_rssi = 0;
2643
2644 return 0;
2645}
2646
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002647static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
2648 struct ndis_80211_assoc_info *info)
2649{
2650 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2651 struct ieee80211_channel *channel;
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002652 struct ndis_80211_ssid ssid;
Jussi Kivilinnaa64e2e22011-10-28 08:05:58 +03002653 struct cfg80211_bss *bss;
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002654 s32 signal;
2655 u64 timestamp;
2656 u16 capability;
Jussi Kivilinnaf808e4a2012-02-29 16:24:54 +02002657 u32 beacon_period = 0;
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002658 __le32 rssi;
2659 u8 ie_buf[34];
2660 int len, ret, ie_len;
2661
2662 /* Get signal quality, in case of error use rssi=0 and ignore error. */
2663 len = sizeof(rssi);
2664 rssi = 0;
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002665 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002666 &rssi, &len);
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002667 signal = level_to_qual(le32_to_cpu(rssi));
2668
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002669 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002670 "rssi:%d, qual: %d\n", __func__, ret, le32_to_cpu(rssi),
2671 level_to_qual(le32_to_cpu(rssi)));
2672
2673 /* Get AP capabilities */
2674 if (info) {
2675 capability = le16_to_cpu(info->resp_ie.capa);
2676 } else {
2677 /* Set atleast ESS/IBSS capability */
2678 capability = (priv->infra_mode == NDIS_80211_INFRA_INFRA) ?
2679 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS;
2680 }
2681
2682 /* Get channel and beacon interval */
Jussi Kivilinnaf808e4a2012-02-29 16:24:54 +02002683 channel = get_current_channel(usbdev, &beacon_period);
Jussi Kivilinnacb82a662011-11-19 13:04:05 +02002684 if (!channel) {
2685 netdev_warn(usbdev->net, "%s(): could not get channel.\n",
2686 __func__);
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002687 return;
2688 }
2689
2690 /* Get SSID, in case of error, use zero length SSID and ignore error. */
2691 len = sizeof(ssid);
2692 memset(&ssid, 0, sizeof(ssid));
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00002693 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002694 &ssid, &len);
2695 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002696 "'%.32s'\n", __func__, ret,
2697 le32_to_cpu(ssid.length), ssid.essid);
2698
2699 if (le32_to_cpu(ssid.length) > 32)
2700 ssid.length = cpu_to_le32(32);
2701
2702 ie_buf[0] = WLAN_EID_SSID;
2703 ie_buf[1] = le32_to_cpu(ssid.length);
2704 memcpy(&ie_buf[2], ssid.essid, le32_to_cpu(ssid.length));
2705
2706 ie_len = le32_to_cpu(ssid.length) + 2;
2707
2708 /* no tsf */
2709 timestamp = 0;
2710
2711 netdev_dbg(usbdev->net, "%s(): channel:%d(freq), bssid:[%pM], tsf:%d, "
2712 "capa:%x, beacon int:%d, resp_ie(len:%d, essid:'%.32s'), "
2713 "signal:%d\n", __func__, (channel ? channel->center_freq : -1),
Jussi Kivilinnaf808e4a2012-02-29 16:24:54 +02002714 bssid, (u32)timestamp, capability, beacon_period, ie_len,
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002715 ssid.essid, signal);
2716
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02002717 bss = cfg80211_inform_bss(priv->wdev.wiphy, channel,
2718 CFG80211_BSS_FTYPE_UNKNOWN, bssid,
2719 timestamp, capability, beacon_period,
2720 ie_buf, ie_len, signal, GFP_KERNEL);
Johannes Berg5b112d32013-02-01 01:49:58 +01002721 cfg80211_put_bss(priv->wdev.wiphy, bss);
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002722}
2723
Jussi Kivilinnac5c4fe92009-09-01 15:33:00 +03002724/*
2725 * workers, indication handlers, device poller
2726 */
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002727static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002728{
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002729 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002730 struct ndis_80211_assoc_info *info = NULL;
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002731 u8 bssid[ETH_ALEN];
Dan Carpenter41eedf32012-03-01 10:02:08 +03002732 unsigned int resp_ie_len, req_ie_len;
2733 unsigned int offset;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002734 u8 *req_ie, *resp_ie;
Dan Carpenter41eedf32012-03-01 10:02:08 +03002735 int ret;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002736 bool roamed = false;
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002737 bool match_bss;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002738
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002739 if (priv->infra_mode == NDIS_80211_INFRA_INFRA && priv->connected) {
2740 /* received media connect indication while connected, either
2741 * device reassociated with same AP or roamed to new. */
2742 roamed = true;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002743 }
2744
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002745 req_ie_len = 0;
2746 resp_ie_len = 0;
2747 req_ie = NULL;
2748 resp_ie = NULL;
2749
2750 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002751 info = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL);
2752 if (!info) {
2753 /* No memory? Try resume work later */
2754 set_bit(WORK_LINK_UP, &priv->work_pending);
2755 queue_work(priv->workqueue, &priv->work);
2756 return;
2757 }
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002758
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002759 /* Get association info IEs from device. */
2760 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002761 if (!ret) {
2762 req_ie_len = le32_to_cpu(info->req_ie_length);
Dan Carpenter41eedf32012-03-01 10:02:08 +03002763 if (req_ie_len > CONTROL_BUFFER_SIZE)
2764 req_ie_len = CONTROL_BUFFER_SIZE;
2765 if (req_ie_len != 0) {
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002766 offset = le32_to_cpu(info->offset_req_ies);
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002767
2768 if (offset > CONTROL_BUFFER_SIZE)
2769 offset = CONTROL_BUFFER_SIZE;
2770
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002771 req_ie = (u8 *)info + offset;
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002772
2773 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2774 req_ie_len =
2775 CONTROL_BUFFER_SIZE - offset;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002776 }
2777
2778 resp_ie_len = le32_to_cpu(info->resp_ie_length);
Dan Carpenter41eedf32012-03-01 10:02:08 +03002779 if (resp_ie_len > CONTROL_BUFFER_SIZE)
2780 resp_ie_len = CONTROL_BUFFER_SIZE;
2781 if (resp_ie_len != 0) {
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002782 offset = le32_to_cpu(info->offset_resp_ies);
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002783
2784 if (offset > CONTROL_BUFFER_SIZE)
2785 offset = CONTROL_BUFFER_SIZE;
2786
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002787 resp_ie = (u8 *)info + offset;
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002788
2789 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2790 resp_ie_len =
2791 CONTROL_BUFFER_SIZE - offset;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002792 }
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002793 } else {
2794 /* Since rndis_wlan_craft_connected_bss() might use info
2795 * later and expects info to contain valid data if
2796 * non-null, free info and set NULL here.
2797 */
2798 kfree(info);
2799 info = NULL;
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002800 }
2801 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2802 return;
2803
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002804 ret = get_bssid(usbdev, bssid);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002805 if (ret < 0)
2806 memset(bssid, 0, sizeof(bssid));
2807
Joe Perches60b86752010-02-17 10:30:23 +00002808 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2809 bssid, roamed ? " roamed" : "");
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002810
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002811 /* Internal bss list in device should contain at least the currently
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002812 * connected bss and we can get it to cfg80211 with
2813 * rndis_check_bssid_list().
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002814 *
2815 * NDIS spec says: "If the device is associated, but the associated
2816 * BSSID is not in its BSSID scan list, then the driver must add an
2817 * entry for the BSSID at the end of the data that it returns in
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00002818 * response to query of RNDIS_OID_802_11_BSSID_LIST."
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002819 *
2820 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002821 */
Jussi Kivilinnab5257c92010-11-09 19:25:47 +02002822 match_bss = false;
2823 rndis_check_bssid_list(usbdev, bssid, &match_bss);
2824
2825 if (!is_zero_ether_addr(bssid) && !match_bss) {
2826 /* Couldn't get bss from device, we need to manually craft bss
2827 * for cfg80211.
2828 */
2829 rndis_wlan_craft_connected_bss(usbdev, bssid, info);
2830 }
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002831
2832 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
Avraham Stern29ce6ec2017-04-26 10:58:49 +03002833 if (!roamed) {
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002834 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2835 req_ie_len, resp_ie,
2836 resp_ie_len, 0, GFP_KERNEL);
Avraham Stern29ce6ec2017-04-26 10:58:49 +03002837 } else {
2838 struct cfg80211_roam_info roam_info = {
2839 .channel = get_current_channel(usbdev, NULL),
2840 .bssid = bssid,
2841 .req_ie = req_ie,
2842 .req_ie_len = req_ie_len,
2843 .resp_ie = resp_ie,
2844 .resp_ie_len = resp_ie_len,
2845 };
2846
2847 cfg80211_roamed(usbdev->net, &roam_info, GFP_KERNEL);
2848 }
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002849 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
Antonio Quartullife94f3a2014-01-29 17:53:43 +01002850 cfg80211_ibss_joined(usbdev->net, bssid,
2851 get_current_channel(usbdev, NULL),
2852 GFP_KERNEL);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002853
Syam Sidhardhancd3d03d2013-02-25 03:35:43 +05302854 kfree(info);
Jussi Kivilinna3d1ca472010-05-18 11:27:31 +03002855
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002856 priv->connected = true;
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03002857 memcpy(priv->bssid, bssid, ETH_ALEN);
Jussi Kivilinna6010ce02008-06-02 18:35:21 +03002858
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002859 usbnet_resume_rx(usbdev);
Jussi Kivilinna5c523232009-08-28 13:27:47 +03002860 netif_carrier_on(usbdev->net);
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002861}
2862
2863static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2864{
Jussi Kivilinnab6411fc2010-05-18 11:20:51 +03002865 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2866
2867 if (priv->connected) {
2868 priv->connected = false;
Joe Perches93803b32015-03-02 19:54:49 -08002869 eth_zero_addr(priv->bssid);
Jussi Kivilinnab6411fc2010-05-18 11:20:51 +03002870
2871 deauthenticate(usbdev);
2872
Johannes Berg80279fb2015-05-22 16:22:20 +02002873 cfg80211_disconnected(usbdev->net, 0, NULL, 0, true, GFP_KERNEL);
Jussi Kivilinnab6411fc2010-05-18 11:20:51 +03002874 }
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002875
2876 netif_carrier_off(usbdev->net);
Jussi Kivilinna0848e6c2009-08-28 12:59:10 +03002877}
2878
2879static void rndis_wlan_worker(struct work_struct *work)
2880{
2881 struct rndis_wlan_private *priv =
2882 container_of(work, struct rndis_wlan_private, work);
2883 struct usbnet *usbdev = priv->usbdev;
2884
2885 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2886 rndis_wlan_do_link_up_work(usbdev);
2887
2888 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2889 rndis_wlan_do_link_down_work(usbdev);
2890
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002891 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2892 set_multicast_list(usbdev);
2893}
2894
Jussi Kivilinna582241a02009-06-04 20:13:25 +03002895static void rndis_wlan_set_multicast_list(struct net_device *dev)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002896{
Wang Chen524ad0a2008-11-12 23:39:10 -08002897 struct usbnet *usbdev = netdev_priv(dev);
Jussi Kivilinna582241a02009-06-04 20:13:25 +03002898 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002899
Jussi Kivilinnaa67edb92008-06-02 18:35:36 +03002900 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2901 return;
2902
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02002903 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2904 queue_work(priv->workqueue, &priv->work);
2905}
2906
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002907static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2908 struct ndis_80211_status_indication *indication,
2909 int len)
2910{
2911 u8 *buf;
2912 const char *type;
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002913 int flags, buflen, key_id;
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002914 bool pairwise_error, group_error;
2915 struct ndis_80211_auth_request *auth_req;
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002916 enum nl80211_key_type key_type;
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002917
2918 /* must have at least one array entry */
2919 if (len < offsetof(struct ndis_80211_status_indication, u) +
2920 sizeof(struct ndis_80211_auth_request)) {
Joe Perches60b86752010-02-17 10:30:23 +00002921 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2922 len);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002923 return;
2924 }
2925
2926 buf = (void *)&indication->u.auth_request[0];
2927 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2928
2929 while (buflen >= sizeof(*auth_req)) {
2930 auth_req = (void *)buf;
2931 type = "unknown";
2932 flags = le32_to_cpu(auth_req->flags);
2933 pairwise_error = false;
2934 group_error = false;
2935
2936 if (flags & 0x1)
2937 type = "reauth request";
2938 if (flags & 0x2)
2939 type = "key update request";
2940 if (flags & 0x6) {
2941 pairwise_error = true;
2942 type = "pairwise_error";
2943 }
2944 if (flags & 0xe) {
2945 group_error = true;
2946 type = "group_error";
2947 }
2948
Joe Perches60b86752010-02-17 10:30:23 +00002949 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2950 type, le32_to_cpu(auth_req->flags));
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002951
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002952 if (pairwise_error) {
2953 key_type = NL80211_KEYTYPE_PAIRWISE;
2954 key_id = -1;
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002955
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002956 cfg80211_michael_mic_failure(usbdev->net,
2957 auth_req->bssid,
2958 key_type, key_id, NULL,
2959 GFP_KERNEL);
2960 }
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002961
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002962 if (group_error) {
2963 key_type = NL80211_KEYTYPE_GROUP;
2964 key_id = -1;
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002965
Jussi Kivilinnaa0f9ce22009-08-28 13:28:24 +03002966 cfg80211_michael_mic_failure(usbdev->net,
2967 auth_req->bssid,
2968 key_type, key_id, NULL,
2969 GFP_KERNEL);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002970 }
2971
2972 buflen -= le32_to_cpu(auth_req->length);
2973 buf += le32_to_cpu(auth_req->length);
2974 }
2975}
2976
2977static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2978 struct ndis_80211_status_indication *indication,
2979 int len)
2980{
2981 struct ndis_80211_pmkid_cand_list *cand_list;
2982 int list_len, expected_len, i;
2983
2984 if (len < offsetof(struct ndis_80211_status_indication, u) +
2985 sizeof(struct ndis_80211_pmkid_cand_list)) {
Joe Perches60b86752010-02-17 10:30:23 +00002986 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2987 len);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002988 return;
2989 }
2990
2991 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2992 sizeof(struct ndis_80211_pmkid_candidate);
2993 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2994 offsetof(struct ndis_80211_status_indication, u);
2995
2996 if (len < expected_len) {
Joe Perches60b86752010-02-17 10:30:23 +00002997 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2998 len, expected_len);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03002999 return;
3000 }
3001
3002 cand_list = &indication->u.cand_list;
3003
Joe Perches60b86752010-02-17 10:30:23 +00003004 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
3005 le32_to_cpu(cand_list->version),
3006 le32_to_cpu(cand_list->num_candidates));
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003007
3008 if (le32_to_cpu(cand_list->version) != 1)
3009 return;
3010
3011 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003012 struct ndis_80211_pmkid_candidate *cand =
3013 &cand_list->candidate_list[i];
Jussi Kivilinna1c706872011-11-19 13:04:21 +02003014 bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003015
Jussi Kivilinna1c706872011-11-19 13:04:21 +02003016 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3017 i, le32_to_cpu(cand->flags), preauth, cand->bssid);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003018
Jussi Kivilinna1c706872011-11-19 13:04:21 +02003019 cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
3020 preauth, GFP_ATOMIC);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003021 }
3022}
3023
3024static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3025 struct rndis_indicate *msg, int buflen)
3026{
3027 struct ndis_80211_status_indication *indication;
Dan Carpentere4e02da2012-02-29 09:37:53 +03003028 unsigned int len, offset;
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003029
3030 offset = offsetof(struct rndis_indicate, status) +
3031 le32_to_cpu(msg->offset);
3032 len = le32_to_cpu(msg->length);
3033
3034 if (len < 8) {
Joe Perches60b86752010-02-17 10:30:23 +00003035 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3036 len);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003037 return;
3038 }
3039
Dan Carpentere4e02da2012-02-29 09:37:53 +03003040 if (len > buflen || offset > buflen || offset + len > buflen) {
Joe Perches60b86752010-02-17 10:30:23 +00003041 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3042 offset + len, buflen);
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003043 return;
3044 }
3045
3046 indication = (void *)((u8 *)msg + offset);
3047
3048 switch (le32_to_cpu(indication->status_type)) {
3049 case NDIS_80211_STATUSTYPE_RADIOSTATE:
Joe Perches60b86752010-02-17 10:30:23 +00003050 netdev_info(usbdev->net, "radio state indication: %i\n",
3051 le32_to_cpu(indication->u.radio_status));
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003052 return;
3053
3054 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
Joe Perches60b86752010-02-17 10:30:23 +00003055 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3056 le32_to_cpu(indication->u.media_stream_mode));
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003057 return;
3058
3059 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3060 rndis_wlan_auth_indication(usbdev, indication, len);
3061 return;
3062
3063 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3064 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3065 return;
3066
3067 default:
Joe Perches60b86752010-02-17 10:30:23 +00003068 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3069 le32_to_cpu(indication->status_type));
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003070 }
3071}
3072
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003073static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003074{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003075 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003076 struct rndis_indicate *msg = ind;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003077
Jussi Kivilinna117599e2012-05-11 22:17:42 +00003078 switch (le32_to_cpu(msg->status)) {
3079 case RNDIS_STATUS_MEDIA_CONNECT:
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003080 if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) {
3081 /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +03003082 * "media connect" indications which confuses driver
3083 * and userspace to think that device is
3084 * roaming/reassociating when it isn't.
3085 */
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003086 netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
Jussi Kivilinna5f81ff52009-08-28 12:58:49 +03003087 return;
3088 }
3089
Jussi Kivilinna7834ddb2009-08-11 22:57:16 +03003090 usbnet_pause_rx(usbdev);
3091
Joe Perches60b86752010-02-17 10:30:23 +00003092 netdev_info(usbdev->net, "media connect\n");
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003093
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003094 /* queue work to avoid recursive calls into rndis_command */
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003095 set_bit(WORK_LINK_UP, &priv->work_pending);
3096 queue_work(priv->workqueue, &priv->work);
3097 break;
3098
Jussi Kivilinna117599e2012-05-11 22:17:42 +00003099 case RNDIS_STATUS_MEDIA_DISCONNECT:
Joe Perches60b86752010-02-17 10:30:23 +00003100 netdev_info(usbdev->net, "media disconnect\n");
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003101
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003102 /* queue work to avoid recursive calls into rndis_command */
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003103 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3104 queue_work(priv->workqueue, &priv->work);
3105 break;
3106
Jussi Kivilinna117599e2012-05-11 22:17:42 +00003107 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
Jussi Kivilinna030645a2009-07-30 19:41:58 +03003108 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3109 break;
3110
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003111 default:
Joe Perches60b86752010-02-17 10:30:23 +00003112 netdev_info(usbdev->net, "indication: 0x%08x\n",
3113 le32_to_cpu(msg->status));
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003114 break;
3115 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003116}
3117
Jussi Kivilinna03083832010-03-04 18:27:24 +02003118static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003119{
3120 struct {
3121 __le32 num_items;
3122 __le32 items[8];
3123 } networks_supported;
Jussi Kivilinna03083832010-03-04 18:27:24 +02003124 struct ndis_80211_capability *caps;
3125 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003126 int len, retval, i, n;
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003127 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003128
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003129 /* determine supported modes */
3130 len = sizeof(networks_supported);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003131 retval = rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003132 RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003133 &networks_supported, &len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003134 if (retval >= 0) {
3135 n = le32_to_cpu(networks_supported.num_items);
3136 if (n > 8)
3137 n = 8;
3138 for (i = 0; i < n; i++) {
3139 switch (le32_to_cpu(networks_supported.items[i])) {
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03003140 case NDIS_80211_TYPE_FREQ_HOP:
3141 case NDIS_80211_TYPE_DIRECT_SEQ:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003142 priv->caps |= CAP_MODE_80211B;
3143 break;
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03003144 case NDIS_80211_TYPE_OFDM_A:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003145 priv->caps |= CAP_MODE_80211A;
3146 break;
Jussi Kivilinnaaa182942009-06-04 20:13:19 +03003147 case NDIS_80211_TYPE_OFDM_G:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003148 priv->caps |= CAP_MODE_80211G;
3149 break;
3150 }
3151 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003152 }
3153
Jussi Kivilinna03083832010-03-04 18:27:24 +02003154 /* get device 802.11 capabilities, number of PMKIDs */
3155 caps = (struct ndis_80211_capability *)caps_buf;
3156 len = sizeof(caps_buf);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003157 retval = rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003158 RNDIS_OID_802_11_CAPABILITY,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003159 caps, &len);
Jussi Kivilinna03083832010-03-04 18:27:24 +02003160 if (retval >= 0) {
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003161 netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
Jussi Kivilinna03083832010-03-04 18:27:24 +02003162 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3163 le32_to_cpu(caps->length),
3164 le32_to_cpu(caps->version),
3165 le32_to_cpu(caps->num_pmkids),
3166 le32_to_cpu(caps->num_auth_encr_pair));
3167 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3168 } else
3169 wiphy->max_num_pmkids = 0;
3170
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003171 return retval;
3172}
3173
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +02003174static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3175{
3176 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3177 enum nl80211_cqm_rssi_threshold_event event;
3178 int thold, hyst, last_event;
3179
3180 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3181 return;
3182 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3183 return;
3184
3185 last_event = priv->last_cqm_event_rssi;
3186 thold = priv->cqm_rssi_thold;
3187 hyst = priv->cqm_rssi_hyst;
3188
3189 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3190 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3191 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3192 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3193 else
3194 return;
3195
3196 priv->last_cqm_event_rssi = rssi;
Andrzej Zaborowskibee427b2017-01-25 12:43:41 +01003197 cfg80211_cqm_rssi_notify(usbdev->net, event, rssi, GFP_KERNEL);
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +02003198}
3199
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003200#define DEVICE_POLLER_JIFFIES (HZ)
3201static void rndis_device_poller(struct work_struct *work)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003202{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003203 struct rndis_wlan_private *priv =
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003204 container_of(work, struct rndis_wlan_private,
3205 dev_poller_work.work);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003206 struct usbnet *usbdev = priv->usbdev;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003207 __le32 rssi, tmp;
Jussi Kivilinnaa97b1f32008-02-06 15:36:10 +02003208 int len, ret, j;
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003209 int update_jiffies = DEVICE_POLLER_JIFFIES;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003210 void *buf;
3211
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03003212 /* Only check/do workaround when connected. Calling is_associated()
3213 * also polls device with rndis_command() and catches for media link
3214 * indications.
3215 */
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003216 if (!is_associated(usbdev)) {
3217 /* Workaround bad scanning in BCM4320a devices with active
3218 * background scanning when not associated.
3219 */
3220 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3221 !priv->scan_request) {
3222 /* Get previous scan results */
3223 rndis_check_bssid_list(usbdev, NULL, NULL);
3224
3225 /* Initiate new scan */
3226 rndis_start_bssid_list_scan(usbdev);
3227 }
3228
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003229 goto end;
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003230 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003231
3232 len = sizeof(rssi);
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003233 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003234 &rssi, &len);
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +02003235 if (ret == 0) {
Jussi Kivilinna8b89a282009-08-28 13:28:03 +03003236 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
Jussi Kivilinna49b35bd2010-12-21 22:44:42 +02003237 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3238 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003239
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003240 netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
Joe Perches60b86752010-02-17 10:30:23 +00003241 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003242
Jussi Kivilinnaa97b1f32008-02-06 15:36:10 +02003243 /* Workaround transfer stalls on poor quality links.
3244 * TODO: find right way to fix these stalls (as stalls do not happen
3245 * with ndiswrapper/windows driver). */
Jussi Kivilinna77593ae2009-11-22 20:16:47 +02003246 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003247 /* Decrease stats worker interval to catch stalls.
3248 * faster. Faster than 400-500ms causes packet loss,
3249 * Slower doesn't catch stalls fast enough.
3250 */
3251 j = msecs_to_jiffies(priv->param_workaround_interval);
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003252 if (j > DEVICE_POLLER_JIFFIES)
3253 j = DEVICE_POLLER_JIFFIES;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003254 else if (j <= 0)
3255 j = 1;
3256 update_jiffies = j;
3257
3258 /* Send scan OID. Use of both OIDs is required to get device
3259 * working.
3260 */
Harvey Harrison35c26c22009-02-14 22:56:56 -08003261 tmp = cpu_to_le32(1);
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003262 rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003263 RNDIS_OID_802_11_BSSID_LIST_SCAN,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003264 &tmp, sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003265
3266 len = CONTROL_BUFFER_SIZE;
3267 buf = kmalloc(len, GFP_KERNEL);
3268 if (!buf)
3269 goto end;
3270
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003271 rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003272 RNDIS_OID_802_11_BSSID_LIST,
Linus Walleij4cc6c4d2012-05-11 22:16:16 +00003273 buf, &len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003274 kfree(buf);
3275 }
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003276
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003277end:
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003278 if (update_jiffies >= HZ)
3279 update_jiffies = round_jiffies_relative(update_jiffies);
3280 else {
3281 j = round_jiffies_relative(update_jiffies);
3282 if (abs(j - update_jiffies) <= 10)
3283 update_jiffies = j;
3284 }
3285
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003286 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3287 update_jiffies);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003288}
3289
Jussi Kivilinnac5c4fe92009-09-01 15:33:00 +03003290/*
3291 * driver/device initialization
3292 */
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003293static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003294{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003295 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003296
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003297 priv->device_type = device_type;
3298
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003299 priv->param_country[0] = modparam_country[0];
3300 priv->param_country[1] = modparam_country[1];
3301 priv->param_country[2] = 0;
3302 priv->param_frameburst = modparam_frameburst;
3303 priv->param_afterburner = modparam_afterburner;
3304 priv->param_power_save = modparam_power_save;
3305 priv->param_power_output = modparam_power_output;
3306 priv->param_roamtrigger = modparam_roamtrigger;
3307 priv->param_roamdelta = modparam_roamdelta;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003308
3309 priv->param_country[0] = toupper(priv->param_country[0]);
3310 priv->param_country[1] = toupper(priv->param_country[1]);
3311 /* doesn't support EU as country code, use FI instead */
3312 if (!strcmp(priv->param_country, "EU"))
3313 strcpy(priv->param_country, "FI");
3314
3315 if (priv->param_power_save < 0)
3316 priv->param_power_save = 0;
3317 else if (priv->param_power_save > 2)
3318 priv->param_power_save = 2;
3319
Jussi Kivilinnaa7624832008-05-27 11:15:08 +03003320 if (priv->param_power_output < 0)
3321 priv->param_power_output = 0;
3322 else if (priv->param_power_output > 3)
3323 priv->param_power_output = 3;
3324
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003325 if (priv->param_roamtrigger < -80)
3326 priv->param_roamtrigger = -80;
3327 else if (priv->param_roamtrigger > -60)
3328 priv->param_roamtrigger = -60;
3329
3330 if (priv->param_roamdelta < 0)
3331 priv->param_roamdelta = 0;
3332 else if (priv->param_roamdelta > 2)
3333 priv->param_roamdelta = 2;
3334
Roel Kluin4d381ff2008-04-23 22:10:29 +02003335 if (modparam_workaround_interval < 0)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003336 priv->param_workaround_interval = 500;
Roel Kluin4d381ff2008-04-23 22:10:29 +02003337 else
3338 priv->param_workaround_interval = modparam_workaround_interval;
Jussi Kivilinnacef6e912009-11-30 21:50:07 +02003339}
3340
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003341static int unknown_early_init(struct usbnet *usbdev)
3342{
3343 /* copy module parameters for unknown so that iwconfig reports txpower
3344 * and workaround parameter is copied to private structure correctly.
3345 */
3346 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3347
3348 /* This is unknown device, so do not try set configuration parameters.
3349 */
3350
3351 return 0;
3352}
3353
Jussi Kivilinnacef6e912009-11-30 21:50:07 +02003354static int bcm4320a_early_init(struct usbnet *usbdev)
3355{
Jussi Kivilinna6e850af2009-11-30 21:50:13 +02003356 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3357 * and workaround parameter is copied to private structure correctly.
3358 */
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003359 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
Jussi Kivilinna6e850af2009-11-30 21:50:13 +02003360
Jussi Kivilinnacef6e912009-11-30 21:50:07 +02003361 /* bcm4320a doesn't handle configuration parameters well. Try
3362 * set any and you get partially zeroed mac and broken device.
3363 */
3364
3365 return 0;
3366}
3367
3368static int bcm4320b_early_init(struct usbnet *usbdev)
3369{
3370 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3371 char buf[8];
3372
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003373 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
Jussi Kivilinnacef6e912009-11-30 21:50:07 +02003374
3375 /* Early initialization settings, setting these won't have effect
3376 * if called after generic_rndis_bind().
3377 */
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003378
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003379 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3380 rndis_set_config_parameter_str(usbdev, "FrameBursting",
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003381 priv->param_frameburst ? "1" : "0");
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003382 rndis_set_config_parameter_str(usbdev, "Afterburner",
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003383 priv->param_afterburner ? "1" : "0");
3384 sprintf(buf, "%d", priv->param_power_save);
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003385 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003386 sprintf(buf, "%d", priv->param_power_output);
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003387 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003388 sprintf(buf, "%d", priv->param_roamtrigger);
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003389 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003390 sprintf(buf, "%d", priv->param_roamdelta);
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003391 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003392
3393 return 0;
3394}
3395
David S. Miller23d12e22009-03-25 00:03:16 -07003396/* same as rndis_netdev_ops but with local multicast handler */
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003397static const struct net_device_ops rndis_wlan_netdev_ops = {
David S. Miller23d12e22009-03-25 00:03:16 -07003398 .ndo_open = usbnet_open,
3399 .ndo_stop = usbnet_stop,
3400 .ndo_start_xmit = usbnet_start_xmit,
3401 .ndo_tx_timeout = usbnet_tx_timeout,
Greg Ungererc8b5d122017-04-03 15:50:03 +10003402 .ndo_get_stats64 = usbnet_get_stats64,
David S. Miller23d12e22009-03-25 00:03:16 -07003403 .ndo_set_mac_address = eth_mac_addr,
3404 .ndo_validate_addr = eth_validate_addr,
Jiri Pirkoafc4b132011-08-16 06:29:01 +00003405 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
David S. Miller23d12e22009-03-25 00:03:16 -07003406};
3407
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003408static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003409{
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003410 struct wiphy *wiphy;
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003411 struct rndis_wlan_private *priv;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003412 int retval, len;
3413 __le32 tmp;
3414
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003415 /* allocate wiphy and rndis private data
3416 * NOTE: We only support a single virtual interface, so wiphy
3417 * and wireless_dev are somewhat synonymous for this device.
3418 */
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003419 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003420 if (!wiphy)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003421 return -ENOMEM;
3422
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003423 priv = wiphy_priv(wiphy);
3424 usbdev->net->ieee80211_ptr = &priv->wdev;
3425 priv->wdev.wiphy = wiphy;
3426 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3427
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003428 /* These have to be initialized before calling generic_rndis_bind().
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003429 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003430 */
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003431 usbdev->driver_priv = priv;
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003432 priv->usbdev = usbdev;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003433
3434 mutex_init(&priv->command_lock);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003435
Jussi Kivilinna8d4d99a2009-04-21 19:48:07 +03003436 /* because rndis_command() sleeps we need to use workqueue */
3437 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
Pan Bian9dc7efd2017-04-24 08:40:28 +08003438 if (!priv->workqueue) {
3439 wiphy_free(wiphy);
3440 return -ENOMEM;
3441 }
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003442 INIT_WORK(&priv->work, rndis_wlan_worker);
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003443 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
Jussi Kivilinna8d4d99a2009-04-21 19:48:07 +03003444 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3445
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003446 /* try bind rndis_host */
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003447 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003448 if (retval < 0)
3449 goto fail;
3450
3451 /* generic_rndis_bind set packet filter to multicast_all+
3452 * promisc mode which doesn't work well for our devices (device
3453 * picks up rssi to closest station instead of to access point).
3454 *
3455 * rndis_host wants to avoid all OID as much as possible
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003456 * so do promisc/multicast handling in rndis_wlan.
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003457 */
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003458 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
David S. Miller23d12e22009-03-25 00:03:16 -07003459
Linus Walleij7390e8b2012-05-11 22:15:39 +00003460 tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST);
3461 retval = rndis_set_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003462 RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
Linus Walleij7390e8b2012-05-11 22:15:39 +00003463 &tmp, sizeof(tmp));
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003464
3465 len = sizeof(tmp);
Linus Walleij7390e8b2012-05-11 22:15:39 +00003466 retval = rndis_query_oid(usbdev,
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003467 RNDIS_OID_802_3_MAXIMUM_LIST_SIZE,
Linus Walleij7390e8b2012-05-11 22:15:39 +00003468 &tmp, &len);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003469 priv->multicast_size = le32_to_cpu(tmp);
3470 if (retval < 0 || priv->multicast_size < 0)
3471 priv->multicast_size = 0;
3472 if (priv->multicast_size > 0)
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003473 usbdev->net->flags |= IFF_MULTICAST;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003474 else
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003475 usbdev->net->flags &= ~IFF_MULTICAST;
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003476
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003477 /* fill-out wiphy structure and register w/ cfg80211 */
3478 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3479 wiphy->privid = rndis_wiphy_privid;
3480 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3481 | BIT(NL80211_IFTYPE_ADHOC);
3482 wiphy->max_scan_ssids = 1;
3483
Jussi Kivilinna4a7f13e2009-08-26 15:53:02 +03003484 /* TODO: fill-out band/encr information based on priv->caps */
Jussi Kivilinna03083832010-03-04 18:27:24 +02003485 rndis_wlan_get_caps(usbdev, wiphy);
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003486
3487 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3488 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3489 priv->band.channels = priv->channels;
3490 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3491 priv->band.bitrates = priv->rates;
3492 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
Johannes Berg57fbcce2016-04-12 15:56:15 +02003493 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band;
Jussi Kivilinna4d2a3692009-03-26 23:40:23 +02003494 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003495
Jussi Kivilinna4a7f13e2009-08-26 15:53:02 +03003496 memcpy(priv->cipher_suites, rndis_cipher_suites,
3497 sizeof(rndis_cipher_suites));
3498 wiphy->cipher_suites = priv->cipher_suites;
3499 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3500
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003501 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3502
3503 if (wiphy_register(wiphy)) {
Jussi Kivilinnaeb1a6852009-04-21 19:48:15 +03003504 retval = -ENODEV;
3505 goto fail;
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003506 }
3507
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003508 set_default_iw_params(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003509
Jussi Kivilinna40d70dd2010-12-21 22:44:49 +02003510 priv->power_mode = -1;
3511
Jussi Kivilinnad75ec2b2009-06-16 17:17:21 +03003512 /* set default rts/frag */
3513 rndis_set_wiphy_params(wiphy,
3514 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3515
Jussi Kivilinna21b27be2010-12-21 22:44:20 +02003516 /* turn radio off on init */
3517 priv->radio_on = false;
3518 disassociate(usbdev, false);
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003519 netif_carrier_off(usbdev->net);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003520
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003521 return 0;
3522
3523fail:
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003524 cancel_delayed_work_sync(&priv->dev_poller_work);
Jussi Kivilinna8d4d99a2009-04-21 19:48:07 +03003525 cancel_delayed_work_sync(&priv->scan_work);
3526 cancel_work_sync(&priv->work);
3527 flush_workqueue(priv->workqueue);
3528 destroy_workqueue(priv->workqueue);
3529
Jussi Kivilinnaeb1a6852009-04-21 19:48:15 +03003530 wiphy_free(wiphy);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003531 return retval;
3532}
3533
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003534static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003535{
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003536 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003537
3538 /* turn radio off */
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03003539 disassociate(usbdev, false);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003540
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003541 cancel_delayed_work_sync(&priv->dev_poller_work);
Jussi Kivilinna71a7b262009-03-26 23:40:31 +02003542 cancel_delayed_work_sync(&priv->scan_work);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003543 cancel_work_sync(&priv->work);
3544 flush_workqueue(priv->workqueue);
3545 destroy_workqueue(priv->workqueue);
3546
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003547 rndis_unbind(usbdev, intf);
John W. Linville5c8fa4f2009-03-26 23:39:53 +02003548
3549 wiphy_unregister(priv->wdev.wiphy);
3550 wiphy_free(priv->wdev.wiphy);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003551}
3552
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003553static int rndis_wlan_reset(struct usbnet *usbdev)
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003554{
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003555 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
Jussi Kivilinna7eaab702009-07-30 19:41:37 +03003556 int retval;
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003557
Joe Perches60b86752010-02-17 10:30:23 +00003558 netdev_dbg(usbdev->net, "%s()\n", __func__);
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003559
Jussi Kivilinna7eaab702009-07-30 19:41:37 +03003560 retval = rndis_reset(usbdev);
3561 if (retval)
Joe Perches60b86752010-02-17 10:30:23 +00003562 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
Jussi Kivilinna7eaab702009-07-30 19:41:37 +03003563
Jussi Kivilinnae5a11a82009-07-30 19:41:42 +03003564 /* rndis_reset cleared multicast list, so restore here.
3565 (set_multicast_list() also turns on current packet filter) */
Jussi Kivilinna7eaab702009-07-30 19:41:37 +03003566 set_multicast_list(usbdev);
3567
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003568 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3569 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003570
Jussi Kivilinnaa19d7292008-06-02 18:35:44 +03003571 return deauthenticate(usbdev);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003572}
3573
Jussi Kivilinna222ec502009-06-16 17:17:32 +03003574static int rndis_wlan_stop(struct usbnet *usbdev)
3575{
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003576 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3577 int retval;
Jussi Kivilinnae5a11a82009-07-30 19:41:42 +03003578 __le32 filter;
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003579
Joe Perches60b86752010-02-17 10:30:23 +00003580 netdev_dbg(usbdev->net, "%s()\n", __func__);
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003581
Jussi Kivilinna051ae0b2009-09-01 15:32:55 +03003582 retval = disassociate(usbdev, false);
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003583
3584 priv->work_pending = 0;
Jussi Kivilinna305e2432009-08-28 13:28:14 +03003585 cancel_delayed_work_sync(&priv->dev_poller_work);
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003586 cancel_delayed_work_sync(&priv->scan_work);
3587 cancel_work_sync(&priv->work);
3588 flush_workqueue(priv->workqueue);
3589
Jussi Kivilinna005ba2f2009-07-30 19:41:31 +03003590 if (priv->scan_request) {
Avraham Stern1d762502016-07-05 17:10:13 +03003591 struct cfg80211_scan_info info = {
3592 .aborted = true,
3593 };
3594
3595 cfg80211_scan_done(priv->scan_request, &info);
Jussi Kivilinna005ba2f2009-07-30 19:41:31 +03003596 priv->scan_request = NULL;
3597 }
3598
Jussi Kivilinnae5a11a82009-07-30 19:41:42 +03003599 /* Set current packet filter zero to block receiving data packets from
3600 device. */
3601 filter = 0;
Jussi Kivilinna470f16c2012-05-11 22:17:57 +00003602 rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
Jussi Kivilinnae5a11a82009-07-30 19:41:42 +03003603 sizeof(filter));
3604
Jussi Kivilinna110736d2009-07-30 19:41:26 +03003605 return retval;
Jussi Kivilinna222ec502009-06-16 17:17:32 +03003606}
3607
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003608static const struct driver_info bcm4320b_info = {
3609 .description = "Wireless RNDIS device, BCM4320b based",
Jussi Kivilinna1487cd52009-07-30 19:41:20 +03003610 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3611 FLAG_AVOID_UNLINK_URBS,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003612 .bind = rndis_wlan_bind,
3613 .unbind = rndis_wlan_unbind,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003614 .status = rndis_status,
3615 .rx_fixup = rndis_rx_fixup,
3616 .tx_fixup = rndis_tx_fixup,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003617 .reset = rndis_wlan_reset,
Jussi Kivilinna222ec502009-06-16 17:17:32 +03003618 .stop = rndis_wlan_stop,
Jussi Kivilinna59620e92009-05-22 11:58:36 +03003619 .early_init = bcm4320b_early_init,
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003620 .indication = rndis_wlan_indication,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003621};
3622
3623static const struct driver_info bcm4320a_info = {
3624 .description = "Wireless RNDIS device, BCM4320a based",
Jussi Kivilinna1487cd52009-07-30 19:41:20 +03003625 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3626 FLAG_AVOID_UNLINK_URBS,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003627 .bind = rndis_wlan_bind,
3628 .unbind = rndis_wlan_unbind,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003629 .status = rndis_status,
3630 .rx_fixup = rndis_rx_fixup,
3631 .tx_fixup = rndis_tx_fixup,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003632 .reset = rndis_wlan_reset,
Jussi Kivilinna222ec502009-06-16 17:17:32 +03003633 .stop = rndis_wlan_stop,
Jussi Kivilinna59620e92009-05-22 11:58:36 +03003634 .early_init = bcm4320a_early_init,
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003635 .indication = rndis_wlan_indication,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003636};
3637
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003638static const struct driver_info rndis_wlan_info = {
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003639 .description = "Wireless RNDIS device",
Jussi Kivilinna1487cd52009-07-30 19:41:20 +03003640 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3641 FLAG_AVOID_UNLINK_URBS,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003642 .bind = rndis_wlan_bind,
3643 .unbind = rndis_wlan_unbind,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003644 .status = rndis_status,
3645 .rx_fixup = rndis_rx_fixup,
3646 .tx_fixup = rndis_tx_fixup,
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003647 .reset = rndis_wlan_reset,
Jussi Kivilinna222ec502009-06-16 17:17:32 +03003648 .stop = rndis_wlan_stop,
Jussi Kivilinna5cb56af2010-11-09 19:25:56 +02003649 .early_init = unknown_early_init,
Jussi Kivilinna2a4901b2009-07-30 19:41:52 +03003650 .indication = rndis_wlan_indication,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003651};
3652
3653/*-------------------------------------------------------------------------*/
3654
3655static const struct usb_device_id products [] = {
3656#define RNDIS_MASTER_INTERFACE \
3657 .bInterfaceClass = USB_CLASS_COMM, \
3658 .bInterfaceSubClass = 2 /* ACM */, \
3659 .bInterfaceProtocol = 0x0ff
3660
3661/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3662 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3663 */
3664{
3665 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3666 | USB_DEVICE_ID_MATCH_DEVICE,
3667 .idVendor = 0x0411,
3668 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3669 RNDIS_MASTER_INTERFACE,
3670 .driver_info = (unsigned long) &bcm4320b_info,
3671}, {
3672 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3673 | USB_DEVICE_ID_MATCH_DEVICE,
3674 .idVendor = 0x0baf,
3675 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3676 RNDIS_MASTER_INTERFACE,
3677 .driver_info = (unsigned long) &bcm4320b_info,
3678}, {
3679 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3680 | USB_DEVICE_ID_MATCH_DEVICE,
3681 .idVendor = 0x050d,
3682 .idProduct = 0x011b, /* Belkin F5D7051 */
3683 RNDIS_MASTER_INTERFACE,
3684 .driver_info = (unsigned long) &bcm4320b_info,
3685}, {
3686 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3687 | USB_DEVICE_ID_MATCH_DEVICE,
3688 .idVendor = 0x1799, /* Belkin has two vendor ids */
3689 .idProduct = 0x011b, /* Belkin F5D7051 */
3690 RNDIS_MASTER_INTERFACE,
3691 .driver_info = (unsigned long) &bcm4320b_info,
3692}, {
3693 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3694 | USB_DEVICE_ID_MATCH_DEVICE,
3695 .idVendor = 0x13b1,
3696 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3697 RNDIS_MASTER_INTERFACE,
3698 .driver_info = (unsigned long) &bcm4320b_info,
3699}, {
3700 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3701 | USB_DEVICE_ID_MATCH_DEVICE,
3702 .idVendor = 0x13b1,
3703 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3704 RNDIS_MASTER_INTERFACE,
3705 .driver_info = (unsigned long) &bcm4320b_info,
3706}, {
3707 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3708 | USB_DEVICE_ID_MATCH_DEVICE,
3709 .idVendor = 0x0b05,
3710 .idProduct = 0x1717, /* Asus WL169gE */
3711 RNDIS_MASTER_INTERFACE,
3712 .driver_info = (unsigned long) &bcm4320b_info,
3713}, {
3714 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3715 | USB_DEVICE_ID_MATCH_DEVICE,
3716 .idVendor = 0x0a5c,
3717 .idProduct = 0xd11b, /* Eminent EM4045 */
3718 RNDIS_MASTER_INTERFACE,
3719 .driver_info = (unsigned long) &bcm4320b_info,
3720}, {
3721 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3722 | USB_DEVICE_ID_MATCH_DEVICE,
3723 .idVendor = 0x1690,
3724 .idProduct = 0x0715, /* BT Voyager 1055 */
3725 RNDIS_MASTER_INTERFACE,
3726 .driver_info = (unsigned long) &bcm4320b_info,
3727},
3728/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3729 * parameters available, hardware probably contain older firmware version with
3730 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3731 */
3732{
3733 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3734 | USB_DEVICE_ID_MATCH_DEVICE,
3735 .idVendor = 0x13b1,
3736 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3737 RNDIS_MASTER_INTERFACE,
3738 .driver_info = (unsigned long) &bcm4320a_info,
3739}, {
3740 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3741 | USB_DEVICE_ID_MATCH_DEVICE,
3742 .idVendor = 0x0baf,
3743 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3744 RNDIS_MASTER_INTERFACE,
3745 .driver_info = (unsigned long) &bcm4320a_info,
3746}, {
3747 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3748 | USB_DEVICE_ID_MATCH_DEVICE,
3749 .idVendor = 0x0411,
3750 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3751 RNDIS_MASTER_INTERFACE,
3752 .driver_info = (unsigned long) &bcm4320a_info,
3753},
3754/* Generic Wireless RNDIS devices that we don't have exact
3755 * idVendor/idProduct/chip yet.
3756 */
3757{
3758 /* RNDIS is MSFT's un-official variant of CDC ACM */
3759 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003760 .driver_info = (unsigned long) &rndis_wlan_info,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003761}, {
3762 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3763 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
Jussi Kivilinna582241a02009-06-04 20:13:25 +03003764 .driver_info = (unsigned long) &rndis_wlan_info,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003765},
3766 { }, // END
3767};
3768MODULE_DEVICE_TABLE(usb, products);
3769
3770static struct usb_driver rndis_wlan_driver = {
3771 .name = "rndis_wlan",
3772 .id_table = products,
3773 .probe = usbnet_probe,
3774 .disconnect = usbnet_disconnect,
3775 .suspend = usbnet_suspend,
3776 .resume = usbnet_resume,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -07003777 .disable_hub_initiated_lpm = 1,
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003778};
3779
Greg Kroah-Hartmand632eb12011-11-18 09:44:20 -08003780module_usb_driver(rndis_wlan_driver);
Jussi Kivilinnabf164cc2008-01-26 00:51:51 +02003781
3782MODULE_AUTHOR("Bjorge Dijkstra");
3783MODULE_AUTHOR("Jussi Kivilinna");
3784MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3785MODULE_LICENSE("GPL");
3786