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Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / net / wireless / rndis_wlan.c
CommitLineData
bf164cc0
JK		 1/*
2 * Driver for RNDIS based wireless USB devices.
3 *
4 * Copyright (C) 2007 by Bjorge Dijkstra <bjd@jooz.net>
e6146c5c 5 * Copyright (C) 2008-2009 by Jussi Kivilinna <jussi.kivilinna@iki.fi>
bf164cc0
JK		 6 *
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
36769159 18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
bf164cc0
JK		 19 *
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>
bf164cc0
JK		 29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/ethtool.h>
32#include <linux/workqueue.h>
33#include <linux/mutex.h>
34#include <linux/mii.h>
35#include <linux/usb.h>
36#include <linux/usb/cdc.h>
2c706002 37#include <linux/ieee80211.h>
bf164cc0
JK		 38#include <linux/if_arp.h>
39#include <linux/ctype.h>
40#include <linux/spinlock.h>
5a0e3ad6 41#include <linux/slab.h>
5c8fa4f7 42#include <net/cfg80211.h>
bf164cc0
JK		 43#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
77593ae2 83static int modparam_workaround_interval;
bf164cc0
JK		 84module_param_named(workaround_interval, modparam_workaround_interval,
85 int, 0444);
86MODULE_PARM_DESC(workaround_interval,
77593ae2 87 "set stall workaround interval in msecs (0=disabled) (default: 0)");
bf164cc0 88
bf164cc0
JK		 89/* Typical noise/maximum signal level values taken from ndiswrapper iw_ndis.h */
90#define WL_NOISE -96 /* typical noise level in dBm */
91#define WL_SIGMAX -32 /* typical maximum signal level in dBm */
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.
222ec50a
JK		 97 * 100% : 20 mW ~ 13dBm
98 * 75% : 15 mW ~ 12dBm
99 * 50% : 10 mW ~ 10dBm
100 * 25% : 5 mW ~ 7dBm
bf164cc0 101 */
222ec50a
JK		 102#define BCM4320_DEFAULT_TXPOWER_DBM_100 13
103#define BCM4320_DEFAULT_TXPOWER_DBM_75 12
104#define BCM4320_DEFAULT_TXPOWER_DBM_50 10
105#define BCM4320_DEFAULT_TXPOWER_DBM_25 7
bf164cc0 106
5cb56af2
JK		 107/* Known device types */
108#define RNDIS_UNKNOWN 0
109#define RNDIS_BCM4320A 1
110#define RNDIS_BCM4320B 2
111
112
bf164cc0
JK		 113/* 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
1e41e1d2 120enum ndis_80211_net_type {
aa18294a
JK		 121 NDIS_80211_TYPE_FREQ_HOP,
122 NDIS_80211_TYPE_DIRECT_SEQ,
123 NDIS_80211_TYPE_OFDM_A,
124 NDIS_80211_TYPE_OFDM_G
1e41e1d2
JK		 125};
126
127enum ndis_80211_net_infra {
aa18294a
JK		 128 NDIS_80211_INFRA_ADHOC,
129 NDIS_80211_INFRA_INFRA,
130 NDIS_80211_INFRA_AUTO_UNKNOWN
1e41e1d2
JK		 131};
132
133enum ndis_80211_auth_mode {
aa18294a
JK		 134 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
1e41e1d2
JK		 142};
143
144enum ndis_80211_encr_status {
aa18294a
JK		 145 NDIS_80211_ENCR_WEP_ENABLED,
146 NDIS_80211_ENCR_DISABLED,
147 NDIS_80211_ENCR_WEP_KEY_ABSENT,
148 NDIS_80211_ENCR_NOT_SUPPORTED,
149 NDIS_80211_ENCR_TKIP_ENABLED,
150 NDIS_80211_ENCR_TKIP_KEY_ABSENT,
151 NDIS_80211_ENCR_CCMP_ENABLED,
152 NDIS_80211_ENCR_CCMP_KEY_ABSENT
1e41e1d2
JK		 153};
154
155enum ndis_80211_priv_filter {
aa18294a
JK		 156 NDIS_80211_PRIV_ACCEPT_ALL,
157 NDIS_80211_PRIV_8021X_WEP
1e41e1d2
JK		 158};
159
030645ac
JK		 160enum 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
b4703a2e 178enum ndis_80211_addkey_bits {
aa18294a
JK		 179 NDIS_80211_ADDKEY_8021X_AUTH = cpu_to_le32(1 << 28),
180 NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ = cpu_to_le32(1 << 29),
181 NDIS_80211_ADDKEY_PAIRWISE_KEY = cpu_to_le32(1 << 30),
182 NDIS_80211_ADDKEY_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 183};
184
185enum ndis_80211_addwep_bits {
aa18294a
JK		 186 NDIS_80211_ADDWEP_PERCLIENT_KEY = cpu_to_le32(1 << 30),
187 NDIS_80211_ADDWEP_TRANSMIT_KEY = cpu_to_le32(1 << 31)
b4703a2e
JK		 188};
189
40d70dd1
JK		 190enum 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
1c706875
JK		 196enum ndis_80211_pmkid_cand_list_flag_bits {
197 NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
198};
199
030645ac
JK		 200struct ndis_80211_auth_request {
201 __le32 length;
93803b33 202 u8 bssid[ETH_ALEN];
030645ac
JK		 203 u8 padding[2];
204 __le32 flags;
ba2d3587 205} __packed;
030645ac
JK		 206
207struct ndis_80211_pmkid_candidate {
93803b33 208 u8 bssid[ETH_ALEN];
030645ac
JK		 209 u8 padding[2];
210 __le32 flags;
ba2d3587 211} __packed;
030645ac
JK		 212
213struct ndis_80211_pmkid_cand_list {
214 __le32 version;
215 __le32 num_candidates;
216 struct ndis_80211_pmkid_candidate candidate_list[0];
ba2d3587 217} __packed;
030645ac
JK		 218
219struct ndis_80211_status_indication {
220 __le32 status_type;
221 union {
53d27eaf
JK		 222 __le32 media_stream_mode;
223 __le32 radio_status;
030645ac
JK		 224 struct ndis_80211_auth_request auth_request[0];
225 struct ndis_80211_pmkid_cand_list cand_list;
226 } u;
ba2d3587 227} __packed;
030645ac 228
1e41e1d2 229struct ndis_80211_ssid {
461b3f2a
JK		 230 __le32 length;
231 u8 essid[NDIS_802_11_LENGTH_SSID];
ba2d3587 232} __packed;
bf164cc0 233
1e41e1d2 234struct ndis_80211_conf_freq_hop {
461b3f2a
JK		 235 __le32 length;
236 __le32 hop_pattern;
237 __le32 hop_set;
238 __le32 dwell_time;
ba2d3587 239} __packed;
bf164cc0 240
1e41e1d2 241struct ndis_80211_conf {
461b3f2a
JK		 242 __le32 length;
243 __le32 beacon_period;
244 __le32 atim_window;
245 __le32 ds_config;
246 struct ndis_80211_conf_freq_hop fh_config;
ba2d3587 247} __packed;
bf164cc0 248
1e41e1d2 249struct ndis_80211_bssid_ex {
461b3f2a 250 __le32 length;
93803b33 251 u8 mac[ETH_ALEN];
461b3f2a
JK		 252 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];
ba2d3587 262} __packed;
bf164cc0 263
1e41e1d2 264struct ndis_80211_bssid_list_ex {
461b3f2a
JK		 265 __le32 num_items;
266 struct ndis_80211_bssid_ex bssid[0];
ba2d3587 267} __packed;
bf164cc0 268
1e41e1d2 269struct ndis_80211_fixed_ies {
461b3f2a
JK		 270 u8 timestamp[8];
271 __le16 beacon_interval;
272 __le16 capabilities;
ba2d3587 273} __packed;
bf164cc0 274
1e41e1d2 275struct ndis_80211_wep_key {
461b3f2a
JK		 276 __le32 size;
277 __le32 index;
278 __le32 length;
279 u8 material[32];
ba2d3587 280} __packed;
bf164cc0 281
1e41e1d2 282struct ndis_80211_key {
461b3f2a
JK		 283 __le32 size;
284 __le32 index;
285 __le32 length;
93803b33 286 u8 bssid[ETH_ALEN];
461b3f2a
JK		 287 u8 padding[6];
288 u8 rsc[8];
289 u8 material[32];
ba2d3587 290} __packed;
bf164cc0 291
1e41e1d2 292struct ndis_80211_remove_key {
461b3f2a
JK		 293 __le32 size;
294 __le32 index;
93803b33 295 u8 bssid[ETH_ALEN];
9d40934e 296 u8 padding[2];
ba2d3587 297} __packed;
bf164cc0 298
1e41e1d2 299struct ndis_config_param {
461b3f2a
JK		 300 __le32 name_offs;
301 __le32 name_length;
302 __le32 type;
303 __le32 value_offs;
304 __le32 value_length;
ba2d3587 305} __packed;
bf164cc0 306
4364623c
SA		 307struct ndis_80211_assoc_info {
308 __le32 length;
309 __le16 req_ies;
310 struct req_ie {
311 __le16 capa;
312 __le16 listen_interval;
93803b33 313 u8 cur_ap_address[ETH_ALEN];
4364623c
SA		 314 } 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;
ba2d3587 325} __packed;
4364623c 326
0308383f
JK		 327struct ndis_80211_auth_encr_pair {
328 __le32 auth_mode;
329 __le32 encr_mode;
ba2d3587 330} __packed;
0308383f
JK		 331
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];
ba2d3587 338} __packed;
0308383f 339
5a7d0583 340struct ndis_80211_bssid_info {
93803b33 341 u8 bssid[ETH_ALEN];
5a7d0583 342 u8 pmkid[16];
30fd9073 343} __packed;
5a7d0583
JK		 344
345struct ndis_80211_pmkid {
346 __le32 length;
347 __le32 bssid_info_count;
348 struct ndis_80211_bssid_info bssid_info[0];
30fd9073 349} __packed;
5a7d0583 350
bf164cc0
JK		 351/*
352 * private data
353 */
bf164cc0
JK		 354#define CAP_MODE_80211A 1
355#define CAP_MODE_80211B 2
356#define CAP_MODE_80211G 4
357#define CAP_MODE_MASK 7
bf164cc0 358
e3958e9d
DC		 359#define WORK_LINK_UP 0
360#define WORK_LINK_DOWN 1
361#define WORK_SET_MULTICAST_LIST 2
bf164cc0 362
5c52323e
JK		 363#define RNDIS_WLAN_ALG_NONE 0
364#define RNDIS_WLAN_ALG_WEP (1<<0)
365#define RNDIS_WLAN_ALG_TKIP (1<<1)
366#define RNDIS_WLAN_ALG_CCMP (1<<2)
367
ec3cbb9c 368#define RNDIS_WLAN_NUM_KEYS 4
5c52323e
JK		 369#define RNDIS_WLAN_KEY_MGMT_NONE 0
370#define RNDIS_WLAN_KEY_MGMT_802_1X (1<<0)
371#define RNDIS_WLAN_KEY_MGMT_PSK (1<<1)
372
90d07349
JK		 373#define COMMAND_BUFFER_SIZE (CONTROL_BUFFER_SIZE + sizeof(struct rndis_set))
374
5c8fa4f7
JL		 375static 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
4a7f13ee
JK		 407static 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
b7cfc5b3
JK		 414struct rndis_wlan_encr_key {
415 int len;
84bf8400 416 u32 cipher;
b7cfc5b3
JK		 417 u8 material[32];
418 u8 bssid[ETH_ALEN];
419 bool pairwise;
420 bool tx_key;
421};
422
bf164cc0 423/* RNDIS device private data */
582241a0 424struct rndis_wlan_private {
bf164cc0
JK		 425 struct usbnet *usbdev;
426
5c8fa4f7
JL		 427 struct wireless_dev wdev;
428
71a7b26d
JK		 429 struct cfg80211_scan_request *scan_request;
430
bf164cc0 431 struct workqueue_struct *workqueue;
305e243e 432 struct delayed_work dev_poller_work;
71a7b26d 433 struct delayed_work scan_work;
bf164cc0
JK		 434 struct work_struct work;
435 struct mutex command_lock;
bf164cc0 436 unsigned long work_pending;
8b89a288 437 int last_qual;
49b35bd3
JK		 438 s32 cqm_rssi_thold;
439 u32 cqm_rssi_hyst;
440 int last_cqm_event_rssi;
bf164cc0 441
5c8fa4f7
JL		 442 struct ieee80211_supported_band band;
443 struct ieee80211_channel channels[ARRAY_SIZE(rndis_channels)];
444 struct ieee80211_rate rates[ARRAY_SIZE(rndis_rates)];
4a7f13ee 445 u32 cipher_suites[ARRAY_SIZE(rndis_cipher_suites)];
5c8fa4f7 446
5cb56af2 447 int device_type;
bf164cc0
JK		 448 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 */
051ae0bf 462 bool radio_on;
40d70dd1 463 int power_mode;
bf164cc0 464 int infra_mode;
5c52323e 465 bool connected;
8b89a288 466 u8 bssid[ETH_ALEN];
470f16c8 467 u32 current_command_oid;
bf164cc0
JK		 468
469 /* encryption stuff */
461bc26c 470 u8 encr_tx_key_index;
ec3cbb9c 471 struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
bf164cc0 472 int wpa_version;
90d07349
JK		 473
474 u8 command_buffer[COMMAND_BUFFER_SIZE];
bf164cc0
JK		 475};
476
964c1d41
JL		 477/*
478 * cfg80211 ops
479 */
e36d56b6
JB		 480static int rndis_change_virtual_intf(struct wiphy *wiphy,
481 struct net_device *dev,
964c1d41
JL		 482 enum nl80211_iftype type, u32 *flags,
483 struct vif_params *params);
484
fd014284 485static int rndis_scan(struct wiphy *wiphy,
71a7b26d
JK		 486 struct cfg80211_scan_request *request);
487
d75ec2b7
JK		 488static int rndis_set_wiphy_params(struct wiphy *wiphy, u32 changed);
489
fa61cf70 490static int rndis_set_tx_power(struct wiphy *wiphy,
c8442118 491 struct wireless_dev *wdev,
fa61cf70
JO		 492 enum nl80211_tx_power_setting type,
493 int mbm);
c8442118
JB		 494static int rndis_get_tx_power(struct wiphy *wiphy,
495 struct wireless_dev *wdev,
496 int *dbm);
222ec50a 497
5c52323e
JK		 498static 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
84bf8400 509static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 510 u8 key_index, bool pairwise, const u8 *mac_addr,
511 struct key_params *params);
84bf8400
JK		 512
513static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 514 u8 key_index, bool pairwise, const u8 *mac_addr);
84bf8400
JK		 515
516static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 517 u8 key_index, bool unicast, bool multicast);
84bf8400 518
8b89a288 519static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 520 const u8 *mac, struct station_info *sinfo);
8b89a288 521
d695df90
JK		 522static int rndis_dump_station(struct wiphy *wiphy, struct net_device *dev,
523 int idx, u8 *mac, struct station_info *sinfo);
524
5a7d0583
JK		 525static 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
40d70dd1
JK		 533static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
534 bool enabled, int timeout);
535
49b35bd3
JK		 536static int rndis_set_cqm_rssi_config(struct wiphy *wiphy,
537 struct net_device *dev,
538 s32 rssi_thold, u32 rssi_hyst);
539
c2aa4132 540static const struct cfg80211_ops rndis_config_ops = {
964c1d41 541 .change_virtual_intf = rndis_change_virtual_intf,
71a7b26d 542 .scan = rndis_scan,
d75ec2b7 543 .set_wiphy_params = rndis_set_wiphy_params,
222ec50a
JK		 544 .set_tx_power = rndis_set_tx_power,
545 .get_tx_power = rndis_get_tx_power,
5c52323e
JK		 546 .connect = rndis_connect,
547 .disconnect = rndis_disconnect,
548 .join_ibss = rndis_join_ibss,
549 .leave_ibss = rndis_leave_ibss,
84bf8400
JK		 550 .add_key = rndis_add_key,
551 .del_key = rndis_del_key,
552 .set_default_key = rndis_set_default_key,
8b89a288 553 .get_station = rndis_get_station,
d695df90 554 .dump_station = rndis_dump_station,
5a7d0583
JK		 555 .set_pmksa = rndis_set_pmksa,
556 .del_pmksa = rndis_del_pmksa,
557 .flush_pmksa = rndis_flush_pmksa,
40d70dd1 558 .set_power_mgmt = rndis_set_power_mgmt,
49b35bd3 559 .set_cqm_rssi_config = rndis_set_cqm_rssi_config,
964c1d41 560};
bf164cc0 561
caa6dfad 562static void *rndis_wiphy_privid = &rndis_wiphy_privid;
bf164cc0 563
bf164cc0 564
582241a0 565static struct rndis_wlan_private *get_rndis_wlan_priv(struct usbnet *dev)
bf164cc0 566{
582241a0 567 return (struct rndis_wlan_private *)dev->driver_priv;
bf164cc0
JK		 568}
569
222ec50a 570static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
bf164cc0 571{
222ec50a
JK		 572 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 }
bf164cc0
JK		 583}
584
461bc26c 585static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
b7cfc5b3
JK		 586{
587 int cipher = priv->encr_keys[idx].cipher;
588
589 return (cipher == WLAN_CIPHER_SUITE_CCMP ||
590 cipher == WLAN_CIPHER_SUITE_TKIP);
591}
592
5c52323e
JK		 593static 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
27b7b5c1 620#ifdef DEBUG
470f16c8 621static const char *oid_to_string(u32 oid)
27b7b5c1 622{
470f16c8 623 switch (oid) {
117599e0 624#define OID_STR(oid) case oid: return(#oid)
27b7b5c1 625 /* from rndis_host.h */
8cdddc3f
LW		 626 OID_STR(RNDIS_OID_802_3_PERMANENT_ADDRESS);
627 OID_STR(RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE);
628 OID_STR(RNDIS_OID_GEN_CURRENT_PACKET_FILTER);
629 OID_STR(RNDIS_OID_GEN_PHYSICAL_MEDIUM);
27b7b5c1
JK		 630
631 /* from rndis_wlan.c */
8cdddc3f
LW		 632 OID_STR(RNDIS_OID_GEN_LINK_SPEED);
633 OID_STR(RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER);
27b7b5c1 634
8cdddc3f
LW		 635 OID_STR(RNDIS_OID_GEN_XMIT_OK);
636 OID_STR(RNDIS_OID_GEN_RCV_OK);
637 OID_STR(RNDIS_OID_GEN_XMIT_ERROR);
638 OID_STR(RNDIS_OID_GEN_RCV_ERROR);
639 OID_STR(RNDIS_OID_GEN_RCV_NO_BUFFER);
27b7b5c1 640
4cc6c4d5
LW		 641 OID_STR(RNDIS_OID_802_3_CURRENT_ADDRESS);
642 OID_STR(RNDIS_OID_802_3_MULTICAST_LIST);
643 OID_STR(RNDIS_OID_802_3_MAXIMUM_LIST_SIZE);
644
645 OID_STR(RNDIS_OID_802_11_BSSID);
646 OID_STR(RNDIS_OID_802_11_SSID);
647 OID_STR(RNDIS_OID_802_11_INFRASTRUCTURE_MODE);
648 OID_STR(RNDIS_OID_802_11_ADD_WEP);
649 OID_STR(RNDIS_OID_802_11_REMOVE_WEP);
650 OID_STR(RNDIS_OID_802_11_DISASSOCIATE);
651 OID_STR(RNDIS_OID_802_11_AUTHENTICATION_MODE);
652 OID_STR(RNDIS_OID_802_11_PRIVACY_FILTER);
653 OID_STR(RNDIS_OID_802_11_BSSID_LIST_SCAN);
654 OID_STR(RNDIS_OID_802_11_ENCRYPTION_STATUS);
655 OID_STR(RNDIS_OID_802_11_ADD_KEY);
656 OID_STR(RNDIS_OID_802_11_REMOVE_KEY);
657 OID_STR(RNDIS_OID_802_11_ASSOCIATION_INFORMATION);
658 OID_STR(RNDIS_OID_802_11_CAPABILITY);
659 OID_STR(RNDIS_OID_802_11_PMKID);
660 OID_STR(RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED);
661 OID_STR(RNDIS_OID_802_11_NETWORK_TYPE_IN_USE);
662 OID_STR(RNDIS_OID_802_11_TX_POWER_LEVEL);
663 OID_STR(RNDIS_OID_802_11_RSSI);
664 OID_STR(RNDIS_OID_802_11_RSSI_TRIGGER);
665 OID_STR(RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD);
666 OID_STR(RNDIS_OID_802_11_RTS_THRESHOLD);
667 OID_STR(RNDIS_OID_802_11_SUPPORTED_RATES);
668 OID_STR(RNDIS_OID_802_11_CONFIGURATION);
669 OID_STR(RNDIS_OID_802_11_POWER_MODE);
670 OID_STR(RNDIS_OID_802_11_BSSID_LIST);
27b7b5c1
JK		 671#undef OID_STR
672 }
673
674 return "?";
675}
676#else
470f16c8 677static const char *oid_to_string(u32 oid)
27b7b5c1
JK		 678{
679 return "?";
680}
681#endif
682
bf164cc0
JK		 683/* translate error code */
684static int rndis_error_status(__le32 rndis_status)
685{
686 int ret = -EINVAL;
117599e0
JK		 687 switch (le32_to_cpu(rndis_status)) {
688 case RNDIS_STATUS_SUCCESS:
bf164cc0
JK		 689 ret = 0;
690 break;
117599e0
JK		 691 case RNDIS_STATUS_FAILURE:
692 case RNDIS_STATUS_INVALID_DATA:
bf164cc0
JK		 693 ret = -EINVAL;
694 break;
117599e0 695 case RNDIS_STATUS_NOT_SUPPORTED:
bf164cc0
JK		 696 ret = -EOPNOTSUPP;
697 break;
117599e0
JK		 698 case RNDIS_STATUS_ADAPTER_NOT_READY:
699 case RNDIS_STATUS_ADAPTER_NOT_OPEN:
bf164cc0
JK		 700 ret = -EBUSY;
701 break;
702 }
703 return ret;
704}
705
470f16c8 706static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len)
bf164cc0 707{
582241a0 708 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 709 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;
80f8c5b4 716 int resplen, respoffs, copylen;
bf164cc0
JK		 717
718 buflen = *len + sizeof(*u.get);
719 if (buflen < CONTROL_BUFFER_SIZE)
720 buflen = CONTROL_BUFFER_SIZE;
90d07349
JK		 721
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
bf164cc0 732 memset(u.get, 0, sizeof *u.get);
7390e8b0 733 u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY);
35c26c2c 734 u.get->msg_len = cpu_to_le32(sizeof *u.get);
470f16c8 735 u.get->oid = cpu_to_le32(oid);
bf164cc0 736
5f81ff5a 737 priv->current_command_oid = oid;
818727ba 738 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 739 priv->current_command_oid = 0;
27b7b5c1 740 if (ret < 0)
60b86755
JP		 741 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
742 __func__, oid_to_string(oid), ret,
743 le32_to_cpu(u.get_c->status));
27b7b5c1 744
bf164cc0 745 if (ret == 0) {
80f8c5b4
JK		 746 resplen = le32_to_cpu(u.get_c->len);
747 respoffs = le32_to_cpu(u.get_c->offset) + 8;
c1f8ca1d 748
80f8c5b4
JK		 749 if (respoffs > buflen) {
750 /* Device returned data offset outside buffer, error. */
751 netdev_dbg(dev->net, "%s(%s): received invalid "
752 "data offset: %d > %d\n", __func__,
753 oid_to_string(oid), respoffs, buflen);
c1f8ca1d 754
80f8c5b4
JK		 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;
27b7b5c1 774
c1f8ca1d 775 ret = rndis_error_status(u.get_c->status);
27b7b5c1 776 if (ret < 0)
60b86755
JP		 777 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
778 __func__, oid_to_string(oid),
779 le32_to_cpu(u.get_c->status), ret);
bf164cc0
JK		 780 }
781
80f8c5b4 782exit_unlock:
90d07349
JK		 783 mutex_unlock(&priv->command_lock);
784
785 if (u.buf != priv->command_buffer)
786 kfree(u.buf);
bf164cc0
JK		 787 return ret;
788}
789
470f16c8 790static int rndis_set_oid(struct usbnet *dev, u32 oid, const void *data,
22288a58 791 int len)
bf164cc0 792{
582241a0 793 struct rndis_wlan_private *priv = get_rndis_wlan_priv(dev);
bf164cc0
JK		 794 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;
90d07349
JK		 805
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);
bf164cc0
JK		 815
816 memset(u.set, 0, sizeof *u.set);
7390e8b0 817 u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET);
bf164cc0 818 u.set->msg_len = cpu_to_le32(sizeof(*u.set) + len);
470f16c8 819 u.set->oid = cpu_to_le32(oid);
bf164cc0 820 u.set->len = cpu_to_le32(len);
35c26c2c
HH		 821 u.set->offset = cpu_to_le32(sizeof(*u.set) - 8);
822 u.set->handle = cpu_to_le32(0);
bf164cc0
JK		 823 memcpy(u.buf + sizeof(*u.set), data, len);
824
5f81ff5a 825 priv->current_command_oid = oid;
818727ba 826 ret = rndis_command(dev, u.header, buflen);
5f81ff5a 827 priv->current_command_oid = 0;
27b7b5c1 828 if (ret < 0)
60b86755
JP		 829 netdev_dbg(dev->net, "%s(%s): rndis_command() failed, %d (%08x)\n",
830 __func__, oid_to_string(oid), ret,
831 le32_to_cpu(u.set_c->status));
27b7b5c1
JK		 832
833 if (ret == 0) {
bf164cc0
JK		 834 ret = rndis_error_status(u.set_c->status);
835
27b7b5c1 836 if (ret < 0)
60b86755
JP		 837 netdev_dbg(dev->net, "%s(%s): device returned error, 0x%08x (%d)\n",
838 __func__, oid_to_string(oid),
839 le32_to_cpu(u.set_c->status), ret);
27b7b5c1
JK		 840 }
841
90d07349
JK		 842 mutex_unlock(&priv->command_lock);
843
844 if (u.buf != priv->command_buffer)
845 kfree(u.buf);
bf164cc0
JK		 846 return ret;
847}
848
7eaab708
JK		 849static 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));
7390e8b0 859 reset->msg_type = cpu_to_le32(RNDIS_MSG_RESET);
7eaab708 860 reset->msg_len = cpu_to_le32(sizeof(*reset));
5f81ff5a 861 priv->current_command_oid = 0;
7eaab708
JK		 862 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
bf164cc0
JK		 871/*
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{
1e41e1d2 879 struct ndis_config_param *infobuf;
bf164cc0
JK		 880 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)
60b86755
JP		 908 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n",
909 param, (u8 *)value);
bf164cc0 910 else
60b86755
JP		 911 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n",
912 param, *(u32 *)value);
bf164cc0 913
461b3f2a
JK		 914 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf));
915 infobuf->name_length = cpu_to_le32(param_len);
916 infobuf->type = cpu_to_le32(value_type);
917 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len);
918 infobuf->value_length = cpu_to_le32(value_len);
bf164cc0
JK		 919
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
60b86755 935 netdev_dbg(dev->net, "info buffer (len: %d)\n", info_len);
bf164cc0
JK		 936 for (i = 0; i < info_len; i += 12) {
937 u32 *tmp = (u32 *)((u8 *)infobuf + i);
60b86755
JP		 938 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]));
bf164cc0
JK		 942 }
943#endif
944
470f16c8 945 ret = rndis_set_oid(dev, RNDIS_OID_GEN_RNDIS_CONFIG_PARAMETER,
bf164cc0
JK		 946 infobuf, info_len);
947 if (ret != 0)
60b86755
JP		 948 netdev_dbg(dev->net, "setting rndis config parameter failed, %d\n",
949 ret);
bf164cc0
JK		 950
951 kfree(infobuf);
952 return ret;
953}
954
955static int rndis_set_config_parameter_str(struct usbnet *dev,
956 char *param, char *value)
957{
c5c4fe90 958 return rndis_set_config_parameter(dev, param, 2, value);
bf164cc0
JK		 959}
960
bf164cc0
JK		 961/*
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
bf164cc0
JK		 970/*
971 * common functions
972 */
9f77ccab 973static int set_infra_mode(struct usbnet *usbdev, int mode);
b7cfc5b3 974static void restore_keys(struct usbnet *usbdev);
b5257c95
JK		 975static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
976 bool *matched);
bf164cc0 977
5cb56af2
JK		 978static int rndis_start_bssid_list_scan(struct usbnet *usbdev)
979{
980 __le32 tmp;
981
4cc6c4d5 982 /* Note: RNDIS_OID_802_11_BSSID_LIST_SCAN clears internal BSS list. */
5cb56af2 983 tmp = cpu_to_le32(1);
470f16c8 984 return rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST_SCAN, &tmp,
5cb56af2
JK		 985 sizeof(tmp));
986}
987
1e41e1d2 988static int set_essid(struct usbnet *usbdev, struct ndis_80211_ssid *ssid)
bf164cc0 989{
582241a0 990 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 991 int ret;
992
470f16c8 993 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_SSID,
4cc6c4d5 994 ssid, sizeof(*ssid));
5c52323e 995 if (ret < 0) {
60b86755 996 netdev_warn(usbdev->net, "setting SSID failed (%08X)\n", ret);
5c52323e
JK		 997 return ret;
998 }
bf164cc0 999 if (ret == 0) {
051ae0bf 1000 priv->radio_on = true;
60b86755 1001 netdev_dbg(usbdev->net, "%s(): radio_on = true\n", __func__);
bf164cc0
JK		 1002 }
1003
1004 return ret;
1005}
1006
22288a58 1007static int set_bssid(struct usbnet *usbdev, const u8 *bssid)
5c52323e
JK		 1008{
1009 int ret;
1010
470f16c8 1011 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_BSSID,
4cc6c4d5 1012 bssid, ETH_ALEN);
5c52323e 1013 if (ret < 0) {
60b86755
JP		 1014 netdev_warn(usbdev->net, "setting BSSID[%pM] failed (%08X)\n",
1015 bssid, ret);
5c52323e
JK		 1016 return ret;
1017 }
1018
1019 return ret;
1020}
1021
1022static int clear_bssid(struct usbnet *usbdev)
1023{
22288a58
JP		 1024 static const u8 broadcast_mac[ETH_ALEN] = {
1025 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
1026 };
5c52323e
JK		 1027
1028 return set_bssid(usbdev, broadcast_mac);
1029}
bf164cc0
JK		 1030
1031static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN])
1032{
1033 int ret, len;
1034
1035 len = ETH_ALEN;
470f16c8 1036 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID,
4cc6c4d5 1037 bssid, &len);
bf164cc0
JK		 1038
1039 if (ret != 0)
93803b33 1040 eth_zero_addr(bssid);
bf164cc0
JK		 1041
1042 return ret;
1043}
1044
4364623c
SA		 1045static int get_association_info(struct usbnet *usbdev,
1046 struct ndis_80211_assoc_info *info, int len)
1047{
4cc6c4d5 1048 return rndis_query_oid(usbdev,
470f16c8 1049 RNDIS_OID_802_11_ASSOCIATION_INFORMATION,
4cc6c4d5 1050 info, &len);
4364623c 1051}
bf164cc0 1052
5c52323e 1053static bool is_associated(struct usbnet *usbdev)
bf164cc0 1054{
5c52323e 1055 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1056 u8 bssid[ETH_ALEN];
1057 int ret;
1058
5c52323e
JK		 1059 if (!priv->radio_on)
1060 return false;
1061
bf164cc0
JK		 1062 ret = get_bssid(usbdev, bssid);
1063
7b1fff99 1064 return (ret == 0 && !is_zero_ether_addr(bssid));
bf164cc0
JK		 1065}
1066
051ae0bf 1067static int disassociate(struct usbnet *usbdev, bool reset_ssid)
bf164cc0 1068{
582241a0 1069 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1070 struct ndis_80211_ssid ssid;
bf164cc0
JK		 1071 int i, ret = 0;
1072
1073 if (priv->radio_on) {
4cc6c4d5 1074 ret = rndis_set_oid(usbdev,
470f16c8 1075 RNDIS_OID_802_11_DISASSOCIATE,
4cc6c4d5 1076 NULL, 0);
bf164cc0 1077 if (ret == 0) {
051ae0bf 1078 priv->radio_on = false;
60b86755
JP		 1079 netdev_dbg(usbdev->net, "%s(): radio_on = false\n",
1080 __func__);
bf164cc0
JK		 1081
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) {
9f77ccab
JK		 1090 /* 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
461b3f2a
JK		 1095 ssid.length = cpu_to_le32(sizeof(ssid.essid));
1096 get_random_bytes(&ssid.essid[2], sizeof(ssid.essid)-2);
1097 ssid.essid[0] = 0x1;
1098 ssid.essid[1] = 0xff;
1099 for (i = 2; i < sizeof(ssid.essid); i++)
1100 ssid.essid[i] = 0x1 + (ssid.essid[i] * 0xfe / 0xff);
bf164cc0
JK		 1101 ret = set_essid(usbdev, &ssid);
1102 }
1103 return ret;
1104}
1105
5c52323e
JK		 1106static int set_auth_mode(struct usbnet *usbdev, u32 wpa_version,
1107 enum nl80211_auth_type auth_type, int keymgmt)
bf164cc0 1108{
582241a0 1109 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1110 __le32 tmp;
1111 int auth_mode, ret;
1112
60b86755
JP		 1113 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x authalg=0x%x keymgmt=0x%x\n",
1114 __func__, wpa_version, auth_type, keymgmt);
bf164cc0 1115
5c52323e
JK		 1116 if (wpa_version & NL80211_WPA_VERSION_2) {
1117 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1118 auth_mode = NDIS_80211_AUTH_WPA2;
bf164cc0 1119 else
aa18294a 1120 auth_mode = NDIS_80211_AUTH_WPA2_PSK;
5c52323e
JK		 1121 } else if (wpa_version & NL80211_WPA_VERSION_1) {
1122 if (keymgmt & RNDIS_WLAN_KEY_MGMT_802_1X)
aa18294a 1123 auth_mode = NDIS_80211_AUTH_WPA;
5c52323e 1124 else if (keymgmt & RNDIS_WLAN_KEY_MGMT_PSK)
aa18294a 1125 auth_mode = NDIS_80211_AUTH_WPA_PSK;
bf164cc0 1126 else
aa18294a 1127 auth_mode = NDIS_80211_AUTH_WPA_NONE;
5c52323e
JK		 1128 } else if (auth_type == NL80211_AUTHTYPE_SHARED_KEY)
1129 auth_mode = NDIS_80211_AUTH_SHARED;
1130 else if (auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
aa18294a 1131 auth_mode = NDIS_80211_AUTH_OPEN;
634a555c
JK		 1132 else if (auth_type == NL80211_AUTHTYPE_AUTOMATIC)
1133 auth_mode = NDIS_80211_AUTH_AUTO_SWITCH;
5c52323e
JK		 1134 else
1135 return -ENOTSUPP;
bf164cc0
JK		 1136
1137 tmp = cpu_to_le32(auth_mode);
4cc6c4d5 1138 ret = rndis_set_oid(usbdev,
470f16c8 1139 RNDIS_OID_802_11_AUTHENTICATION_MODE,
4cc6c4d5 1140 &tmp, sizeof(tmp));
bf164cc0 1141 if (ret != 0) {
60b86755
JP		 1142 netdev_warn(usbdev->net, "setting auth mode failed (%08X)\n",
1143 ret);
bf164cc0
JK		 1144 return ret;
1145 }
1146
1147 priv->wpa_version = wpa_version;
5c52323e 1148
bf164cc0
JK		 1149 return 0;
1150}
1151
bf164cc0
JK		 1152static int set_priv_filter(struct usbnet *usbdev)
1153{
582241a0 1154 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 1155 __le32 tmp;
1156
60b86755
JP		 1157 netdev_dbg(usbdev->net, "%s(): wpa_version=0x%x\n",
1158 __func__, priv->wpa_version);
bf164cc0 1159
5c52323e
JK		 1160 if (priv->wpa_version & NL80211_WPA_VERSION_2 ||
1161 priv->wpa_version & NL80211_WPA_VERSION_1)
aa18294a 1162 tmp = cpu_to_le32(NDIS_80211_PRIV_8021X_WEP);
bf164cc0 1163 else
aa18294a 1164 tmp = cpu_to_le32(NDIS_80211_PRIV_ACCEPT_ALL);
bf164cc0 1165
4cc6c4d5 1166 return rndis_set_oid(usbdev,
470f16c8 1167 RNDIS_OID_802_11_PRIVACY_FILTER, &tmp,
4cc6c4d5 1168 sizeof(tmp));
bf164cc0
JK		 1169}
1170
bf164cc0
JK		 1171static int set_encr_mode(struct usbnet *usbdev, int pairwise, int groupwise)
1172{
bf164cc0
JK		 1173 __le32 tmp;
1174 int encr_mode, ret;
1175
60b86755
JP		 1176 netdev_dbg(usbdev->net, "%s(): cipher_pair=0x%x cipher_group=0x%x\n",
1177 __func__, pairwise, groupwise);
bf164cc0 1178
5c52323e 1179 if (pairwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1180 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1181 else if (pairwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1182 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
5c52323e 1183 else if (pairwise & RNDIS_WLAN_ALG_WEP)
aa18294a 1184 encr_mode = NDIS_80211_ENCR_WEP_ENABLED;
5c52323e 1185 else if (groupwise & RNDIS_WLAN_ALG_CCMP)
aa18294a 1186 encr_mode = NDIS_80211_ENCR_CCMP_ENABLED;
5c52323e 1187 else if (groupwise & RNDIS_WLAN_ALG_TKIP)
aa18294a 1188 encr_mode = NDIS_80211_ENCR_TKIP_ENABLED;
bf164cc0 1189 else
aa18294a 1190 encr_mode = NDIS_80211_ENCR_DISABLED;
bf164cc0
JK		 1191
1192 tmp = cpu_to_le32(encr_mode);
4cc6c4d5 1193 ret = rndis_set_oid(usbdev,
470f16c8 1194 RNDIS_OID_802_11_ENCRYPTION_STATUS, &tmp,
4cc6c4d5 1195 sizeof(tmp));
bf164cc0 1196 if (ret != 0) {
60b86755
JP		 1197 netdev_warn(usbdev->net, "setting encr mode failed (%08X)\n",
1198 ret);
bf164cc0
JK		 1199 return ret;
1200 }
1201
bf164cc0
JK		 1202 return 0;
1203}
1204
bf164cc0
JK		 1205static int set_infra_mode(struct usbnet *usbdev, int mode)
1206{
582241a0 1207 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 1208 __le32 tmp;
b7cfc5b3 1209 int ret;
bf164cc0 1210
60b86755
JP		 1211 netdev_dbg(usbdev->net, "%s(): infra_mode=0x%x\n",
1212 __func__, priv->infra_mode);
bf164cc0
JK		 1213
1214 tmp = cpu_to_le32(mode);
4cc6c4d5 1215 ret = rndis_set_oid(usbdev,
470f16c8 1216 RNDIS_OID_802_11_INFRASTRUCTURE_MODE,
4cc6c4d5 1217 &tmp, sizeof(tmp));
bf164cc0 1218 if (ret != 0) {
60b86755
JP		 1219 netdev_warn(usbdev->net, "setting infra mode failed (%08X)\n",
1220 ret);
bf164cc0
JK		 1221 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 */
b7cfc5b3 1227 restore_keys(usbdev);
bf164cc0
JK		 1228
1229 priv->infra_mode = mode;
1230 return 0;
1231}
1232
d75ec2b7
JK		 1233static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold)
1234{
1235 __le32 tmp;
1236
60b86755 1237 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold);
d75ec2b7 1238
7e724da6 1239 if (rts_threshold == -1 || rts_threshold > 2347)
d75ec2b7
JK		 1240 rts_threshold = 2347;
1241
1242 tmp = cpu_to_le32(rts_threshold);
4cc6c4d5 1243 return rndis_set_oid(usbdev,
470f16c8 1244 RNDIS_OID_802_11_RTS_THRESHOLD,
4cc6c4d5 1245 &tmp, sizeof(tmp));
d75ec2b7
JK		 1246}
1247
d75ec2b7
JK		 1248static int set_frag_threshold(struct usbnet *usbdev, u32 frag_threshold)
1249{
1250 __le32 tmp;
1251
60b86755 1252 netdev_dbg(usbdev->net, "%s(): %i\n", __func__, frag_threshold);
d75ec2b7
JK		 1253
1254 if (frag_threshold < 256 || frag_threshold > 2346)
1255 frag_threshold = 2346;
1256
1257 tmp = cpu_to_le32(frag_threshold);
4cc6c4d5 1258 return rndis_set_oid(usbdev,
470f16c8 1259 RNDIS_OID_802_11_FRAGMENTATION_THRESHOLD,
4cc6c4d5 1260 &tmp, sizeof(tmp));
d75ec2b7
JK		 1261}
1262
bf164cc0
JK		 1263static void set_default_iw_params(struct usbnet *usbdev)
1264{
aa18294a 1265 set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
5c52323e
JK		 1266 set_auth_mode(usbdev, 0, NL80211_AUTHTYPE_OPEN_SYSTEM,
1267 RNDIS_WLAN_KEY_MGMT_NONE);
bf164cc0 1268 set_priv_filter(usbdev);
5c52323e 1269 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1270}
1271
bf164cc0
JK		 1272static int deauthenticate(struct usbnet *usbdev)
1273{
1274 int ret;
1275
051ae0bf 1276 ret = disassociate(usbdev, true);
bf164cc0
JK		 1277 set_default_iw_params(usbdev);
1278 return ret;
1279}
1280
5c52323e
JK		 1281static int set_channel(struct usbnet *usbdev, int channel)
1282{
1283 struct ndis_80211_conf config;
1284 unsigned int dsconfig;
1285 int len, ret;
1286
60b86755 1287 netdev_dbg(usbdev->net, "%s(%d)\n", __func__, channel);
5c52323e
JK		 1288
1289 /* this OID is valid only when not associated */
1290 if (is_associated(usbdev))
1291 return 0;
1292
3a11af8a 1293 dsconfig = 1000 *
57fbcce3 1294 ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
5c52323e
JK		 1295
1296 len = sizeof(config);
4cc6c4d5 1297 ret = rndis_query_oid(usbdev,
470f16c8 1298 RNDIS_OID_802_11_CONFIGURATION,
4cc6c4d5 1299 &config, &len);
5c52323e 1300 if (ret < 0) {
60b86755
JP		 1301 netdev_dbg(usbdev->net, "%s(): querying configuration failed\n",
1302 __func__);
5c52323e
JK		 1303 return ret;
1304 }
1305
1306 config.ds_config = cpu_to_le32(dsconfig);
4cc6c4d5 1307 ret = rndis_set_oid(usbdev,
470f16c8 1308 RNDIS_OID_802_11_CONFIGURATION,
4cc6c4d5 1309 &config, sizeof(config));
5c52323e 1310
60b86755 1311 netdev_dbg(usbdev->net, "%s(): %d -> %d\n", __func__, channel, ret);
5c52323e
JK		 1312
1313 return ret;
1314}
1315
cb82a66d 1316static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
f808e4ad 1317 u32 *beacon_period)
cb82a66d
JK		 1318{
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);
4cc6c4d5 1326 ret = rndis_query_oid(usbdev,
470f16c8 1327 RNDIS_OID_802_11_CONFIGURATION,
4cc6c4d5
LW		 1328 &config, &len);
1329 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_CONFIGURATION -> %d\n",
cb82a66d
JK		 1330 __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
f808e4ad
JK		 1339 if (beacon_period)
1340 *beacon_period = le32_to_cpu(config.beacon_period);
cb82a66d
JK		 1341 return channel;
1342}
1343
bf164cc0 1344/* index must be 0 - N, as per NDIS */
5c52323e 1345static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
461bc26c 1346 u8 index)
bf164cc0 1347{
582241a0 1348 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1349 struct ndis_80211_wep_key ndis_key;
84bf8400
JK		 1350 u32 cipher;
1351 int ret;
1352
60b86755
JP		 1353 netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
1354 __func__, index, key_len);
bf164cc0 1355
461bc26c 1356 if (index >= RNDIS_WLAN_NUM_KEYS)
bf164cc0
JK		 1357 return -EINVAL;
1358
b7cfc5b3
JK		 1359 if (key_len == 5)
1360 cipher = WLAN_CIPHER_SUITE_WEP40;
f096ce6d 1361 else if (key_len == 13)
b7cfc5b3 1362 cipher = WLAN_CIPHER_SUITE_WEP104;
f096ce6d
JK		 1363 else
1364 return -EINVAL;
b7cfc5b3 1365
bf164cc0
JK		 1366 memset(&ndis_key, 0, sizeof(ndis_key));
1367
461b3f2a
JK		 1368 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);
bf164cc0
JK		 1372
1373 if (index == priv->encr_tx_key_index) {
aa18294a 1374 ndis_key.index |= NDIS_80211_ADDWEP_TRANSMIT_KEY;
5c52323e
JK		 1375 ret = set_encr_mode(usbdev, RNDIS_WLAN_ALG_WEP,
1376 RNDIS_WLAN_ALG_NONE);
bf164cc0 1377 if (ret)
60b86755
JP		 1378 netdev_warn(usbdev->net, "encryption couldn't be enabled (%08X)\n",
1379 ret);
bf164cc0
JK		 1380 }
1381
4cc6c4d5 1382 ret = rndis_set_oid(usbdev,
470f16c8 1383 RNDIS_OID_802_11_ADD_WEP, &ndis_key,
4cc6c4d5 1384 sizeof(ndis_key));
bf164cc0 1385 if (ret != 0) {
60b86755
JP		 1386 netdev_warn(usbdev->net, "adding encryption key %d failed (%08X)\n",
1387 index + 1, ret);
bf164cc0
JK		 1388 return ret;
1389 }
1390
b7cfc5b3
JK		 1391 priv->encr_keys[index].len = key_len;
1392 priv->encr_keys[index].cipher = cipher;
1393 memcpy(&priv->encr_keys[index].material, key, key_len);
93803b33 1394 eth_broadcast_addr(priv->encr_keys[index].bssid);
bf164cc0
JK		 1395
1396 return 0;
1397}
1398
b145ee0c 1399static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
461bc26c 1400 u8 index, const u8 *addr, const u8 *rx_seq,
53d27eaf 1401 int seq_len, u32 cipher, __le32 flags)
b145ee0c 1402{
582241a0 1403 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
b145ee0c 1404 struct ndis_80211_key ndis_key;
b7cfc5b3 1405 bool is_addr_ok;
b145ee0c
JK		 1406 int ret;
1407
461bc26c 1408 if (index >= RNDIS_WLAN_NUM_KEYS) {
60b86755
JP		 1409 netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
1410 __func__, index);
b145ee0c 1411 return -EINVAL;
b7cfc5b3
JK		 1412 }
1413 if (key_len > sizeof(ndis_key.material) || key_len < 0) {
60b86755
JP		 1414 netdev_dbg(usbdev->net, "%s(): key length out of range (%i)\n",
1415 __func__, key_len);
b145ee0c 1416 return -EINVAL;
b7cfc5b3 1417 }
84bf8400
JK		 1418 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ) {
1419 if (!rx_seq || seq_len <= 0) {
60b86755
JP		 1420 netdev_dbg(usbdev->net, "%s(): recv seq flag without buffer\n",
1421 __func__);
84bf8400
JK		 1422 return -EINVAL;
1423 }
1424 if (rx_seq && seq_len > sizeof(ndis_key.rsc)) {
60b86755 1425 netdev_dbg(usbdev->net, "%s(): too big recv seq buffer\n", __func__);
84bf8400
JK		 1426 return -EINVAL;
1427 }
b7cfc5b3 1428 }
84bf8400 1429
7b1fff99
JK		 1430 is_addr_ok = addr && !is_zero_ether_addr(addr) &&
1431 !is_broadcast_ether_addr(addr);
b7cfc5b3 1432 if ((flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) && !is_addr_ok) {
60b86755
JP		 1433 netdev_dbg(usbdev->net, "%s(): pairwise but bssid invalid (%pM)\n",
1434 __func__, addr);
b145ee0c 1435 return -EINVAL;
b7cfc5b3 1436 }
b145ee0c 1437
60b86755
JP		 1438 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));
b145ee0c
JK		 1443
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
b7cfc5b3 1451 if (cipher == WLAN_CIPHER_SUITE_TKIP && key_len == 32) {
b145ee0c
JK		 1452 /* 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
aa18294a 1460 if (flags & NDIS_80211_ADDKEY_SET_INIT_RECV_SEQ)
84bf8400 1461 memcpy(ndis_key.rsc, rx_seq, seq_len);
b145ee0c 1462
aa18294a 1463 if (flags & NDIS_80211_ADDKEY_PAIRWISE_KEY) {
b145ee0c 1464 /* pairwise key */
b7cfc5b3 1465 memcpy(ndis_key.bssid, addr, ETH_ALEN);
b145ee0c
JK		 1466 } else {
1467 /* group key */
aa18294a 1468 if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
93803b33 1469 eth_broadcast_addr(ndis_key.bssid);
b145ee0c
JK		 1470 else
1471 get_bssid(usbdev, ndis_key.bssid);
1472 }
1473
4cc6c4d5 1474 ret = rndis_set_oid(usbdev,
470f16c8 1475 RNDIS_OID_802_11_ADD_KEY, &ndis_key,
4cc6c4d5
LW		 1476 le32_to_cpu(ndis_key.size));
1477 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_ADD_KEY -> %08X\n",
60b86755 1478 __func__, ret);
b145ee0c
JK		 1479 if (ret != 0)
1480 return ret;
1481
b7cfc5b3
JK		 1482 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
93803b33 1489 eth_broadcast_addr(priv->encr_keys[index].bssid);
9839178e 1490
aa18294a 1491 if (flags & NDIS_80211_ADDKEY_TRANSMIT_KEY)
b145ee0c
JK		 1492 priv->encr_tx_key_index = index;
1493
1494 return 0;
1495}
1496
461bc26c 1497static int restore_key(struct usbnet *usbdev, u8 key_idx)
b7cfc5b3
JK		 1498{
1499 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1500 struct rndis_wlan_encr_key key;
84bf8400
JK		 1501
1502 if (is_wpa_key(priv, key_idx))
1503 return 0;
b7cfc5b3
JK		 1504
1505 key = priv->encr_keys[key_idx];
1506
60b86755 1507 netdev_dbg(usbdev->net, "%s(): %i:%i\n", __func__, key_idx, key.len);
b7cfc5b3
JK		 1508
1509 if (key.len == 0)
1510 return 0;
1511
b7cfc5b3
JK		 1512 return add_wep_key(usbdev, key.material, key.len, key_idx);
1513}
1514
b7cfc5b3
JK		 1515static 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
461bc26c 1523static void clear_key(struct rndis_wlan_private *priv, u8 idx)
b7cfc5b3
JK		 1524{
1525 memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
1526}
1527
bf164cc0 1528/* remove_key is for both wep and wpa */
461bc26c 1529static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
bf164cc0 1530{
582241a0 1531 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
1e41e1d2 1532 struct ndis_80211_remove_key remove_key;
bf164cc0 1533 __le32 keyindex;
b7cfc5b3 1534 bool is_wpa;
bf164cc0
JK		 1535 int ret;
1536
ec3cbb9c
DC		 1537 if (index >= RNDIS_WLAN_NUM_KEYS)
1538 return -ENOENT;
1539
b7cfc5b3 1540 if (priv->encr_keys[index].len == 0)
bf164cc0
JK		 1541 return 0;
1542
b7cfc5b3 1543 is_wpa = is_wpa_key(priv, index);
bf164cc0 1544
60b86755
JP		 1545 netdev_dbg(usbdev->net, "%s(): %i:%s:%i\n",
1546 __func__, index, is_wpa ? "wpa" : "wep",
1547 priv->encr_keys[index].len);
b7cfc5b3
JK		 1548
1549 clear_key(priv, index);
1550
1551 if (is_wpa) {
461b3f2a
JK		 1552 remove_key.size = cpu_to_le32(sizeof(remove_key));
1553 remove_key.index = cpu_to_le32(index);
bf164cc0
JK		 1554 if (bssid) {
1555 /* pairwise key */
7b1fff99 1556 if (!is_broadcast_ether_addr(bssid))
b4703a2e 1557 remove_key.index |=
aa18294a 1558 NDIS_80211_ADDKEY_PAIRWISE_KEY;
461b3f2a
JK		 1559 memcpy(remove_key.bssid, bssid,
1560 sizeof(remove_key.bssid));
bf164cc0 1561 } else
461b3f2a
JK		 1562 memset(remove_key.bssid, 0xff,
1563 sizeof(remove_key.bssid));
bf164cc0 1564
4cc6c4d5 1565 ret = rndis_set_oid(usbdev,
470f16c8 1566 RNDIS_OID_802_11_REMOVE_KEY,
4cc6c4d5 1567 &remove_key, sizeof(remove_key));
bf164cc0
JK		 1568 if (ret != 0)
1569 return ret;
1570 } else {
1571 keyindex = cpu_to_le32(index);
4cc6c4d5 1572 ret = rndis_set_oid(usbdev,
470f16c8 1573 RNDIS_OID_802_11_REMOVE_WEP,
4cc6c4d5 1574 &keyindex, sizeof(keyindex));
bf164cc0 1575 if (ret != 0) {
60b86755
JP		 1576 netdev_warn(usbdev->net,
1577 "removing encryption key %d failed (%08X)\n",
1578 index, ret);
bf164cc0
JK		 1579 return ret;
1580 }
1581 }
1582
1583 /* if it is transmit key, disable encryption */
1584 if (index == priv->encr_tx_key_index)
5c52323e 1585 set_encr_mode(usbdev, RNDIS_WLAN_ALG_NONE, RNDIS_WLAN_ALG_NONE);
bf164cc0
JK		 1586
1587 return 0;
1588}
1589
bf164cc0
JK		 1590static void set_multicast_list(struct usbnet *usbdev)
1591{
582241a0 1592 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
22bedad3 1593 struct netdev_hw_addr *ha;
12c3400a
JP		 1594 __le32 filter, basefilter;
1595 int ret;
1596 char *mc_addrs = NULL;
1597 int mc_count;
bf164cc0 1598
7390e8b0
LW		 1599 basefilter = filter = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED |
1600 RNDIS_PACKET_TYPE_BROADCAST);
bf164cc0
JK		 1601
1602 if (usbdev->net->flags & IFF_PROMISC) {
7390e8b0
LW		 1603 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_PROMISCUOUS |
1604 RNDIS_PACKET_TYPE_ALL_LOCAL);
12c3400a 1605 } else if (usbdev->net->flags & IFF_ALLMULTI) {
7390e8b0 1606 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
12c3400a
JP		 1607 }
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) {
7390e8b0 1619 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
12c3400a
JP		 1620 } else if (mc_count) {
1621 int i = 0;
1622
0d2e7a5c 1623 mc_addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC);
12c3400a 1624 if (!mc_addrs) {
655ffee2 1625 netif_addr_unlock_bh(usbdev->net);
bf164cc0
JK		 1626 return;
1627 }
1628
22bedad3 1629 netdev_for_each_mc_addr(ha, usbdev->net)
12c3400a 1630 memcpy(mc_addrs + i++ * ETH_ALEN,
22bedad3 1631 ha->addr, ETH_ALEN);
12c3400a
JP		 1632 }
1633 netif_addr_unlock_bh(usbdev->net);
bf164cc0 1634
12c3400a
JP		 1635 if (filter != basefilter)
1636 goto set_filter;
1637
1638 if (mc_count) {
4cc6c4d5 1639 ret = rndis_set_oid(usbdev,
470f16c8 1640 RNDIS_OID_802_3_MULTICAST_LIST,
4cc6c4d5 1641 mc_addrs, mc_count * ETH_ALEN);
12c3400a
JP		 1642 kfree(mc_addrs);
1643 if (ret == 0)
7390e8b0 1644 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_MULTICAST);
bf164cc0 1645 else
7390e8b0 1646 filter |= cpu_to_le32(RNDIS_PACKET_TYPE_ALL_MULTICAST);
bf164cc0 1647
4cc6c4d5 1648 netdev_dbg(usbdev->net, "RNDIS_OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
12c3400a 1649 mc_count, priv->multicast_size, ret);
bf164cc0
JK		 1650 }
1651
12c3400a 1652set_filter:
470f16c8 1653 ret = rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
bf164cc0
JK		 1654 sizeof(filter));
1655 if (ret < 0) {
60b86755
JP		 1656 netdev_warn(usbdev->net, "couldn't set packet filter: %08x\n",
1657 le32_to_cpu(filter));
bf164cc0
JK		 1658 }
1659
8cdddc3f 1660 netdev_dbg(usbdev->net, "RNDIS_OID_GEN_CURRENT_PACKET_FILTER(%08x) -> %d\n",
60b86755 1661 le32_to_cpu(filter), ret);
bf164cc0
JK		 1662}
1663
5a7d0583
JK		 1664#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
470f16c8 1719 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_PMKID,
4cc6c4d5 1720 pmkids, &len);
5a7d0583 1721 if (ret < 0) {
4cc6c4d5 1722 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d)"
5a7d0583
JK		 1723 " -> %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
470f16c8 1748 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID, pmkids,
4cc6c4d5 1749 le32_to_cpu(pmkids->length));
5a7d0583 1750 if (ret < 0) {
4cc6c4d5 1751 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_PMKID(%d, %d) -> %d"
5a7d0583
JK		 1752 "\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{
551d6fe6
DC		 1764 int i, newlen, err;
1765 unsigned int count;
5a7d0583 1766
5a7d0583
JK		 1767 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++)
2e42e474
JP		 1773 if (ether_addr_equal(pmkids->bssid_info[i].bssid,
1774 pmksa->bssid))
5a7d0583
JK		 1775 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{
60f53cf9 1805 struct ndis_80211_pmkid *new_pmkids;
551d6fe6
DC		 1806 int i, err, newlen;
1807 unsigned int count;
5a7d0583 1808
5a7d0583
JK		 1809 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++) {
2e42e474
JP		 1816 if (!ether_addr_equal(pmkids->bssid_info[i].bssid,
1817 pmksa->bssid))
5a7d0583
JK		 1818 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
60f53cf9
AK		 1836 new_pmkids = krealloc(pmkids, newlen, GFP_KERNEL);
1837 if (!new_pmkids) {
5a7d0583
JK		 1838 err = -ENOMEM;
1839 goto error;
1840 }
60f53cf9 1841 pmkids = new_pmkids;
5a7d0583
JK		 1842
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
964c1d41
JL		 1855/*
1856 * cfg80211 ops
1857 */
e36d56b6
JB		 1858static int rndis_change_virtual_intf(struct wiphy *wiphy,
1859 struct net_device *dev,
964c1d41
JL		 1860 enum nl80211_iftype type, u32 *flags,
1861 struct vif_params *params)
1862{
16139172
JK		 1863 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1864 struct usbnet *usbdev = priv->usbdev;
964c1d41
JL		 1865 int mode;
1866
964c1d41
JL		 1867 switch (type) {
1868 case NL80211_IFTYPE_ADHOC:
aa18294a 1869 mode = NDIS_80211_INFRA_ADHOC;
964c1d41
JL		 1870 break;
1871 case NL80211_IFTYPE_STATION:
aa18294a 1872 mode = NDIS_80211_INFRA_INFRA;
964c1d41
JL		 1873 break;
1874 default:
1875 return -EINVAL;
1876 }
1877
16139172
JK		 1878 priv->wdev.iftype = type;
1879
964c1d41
JL		 1880 return set_infra_mode(usbdev, mode);
1881}
1882
d75ec2b7
JK		 1883static 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
fa61cf70 1904static int rndis_set_tx_power(struct wiphy *wiphy,
c8442118 1905 struct wireless_dev *wdev,
fa61cf70
JO		 1906 enum nl80211_tx_power_setting type,
1907 int mbm)
222ec50a
JK		 1908{
1909 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1910 struct usbnet *usbdev = priv->usbdev;
1911
fa61cf70
JO		 1912 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;
222ec50a
JK		 1917
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 */
fa61cf70
JO		 1922 if (type == NL80211_TX_POWER_AUTOMATIC ||
1923 MBM_TO_DBM(mbm) == get_bcm4320_power_dbm(priv)) {
222ec50a 1924 if (!priv->radio_on)
051ae0bf 1925 disassociate(usbdev, true); /* turn on radio */
222ec50a
JK		 1926
1927 return 0;
1928 }
1929
1930 return -ENOTSUPP;
1931}
1932
c8442118
JB		 1933static int rndis_get_tx_power(struct wiphy *wiphy,
1934 struct wireless_dev *wdev,
1935 int *dbm)
222ec50a
JK		 1936{
1937 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
1938 struct usbnet *usbdev = priv->usbdev;
1939
1940 *dbm = get_bcm4320_power_dbm(priv);
1941
60b86755 1942 netdev_dbg(usbdev->net, "%s(): dbm:%i\n", __func__, *dbm);
222ec50a
JK		 1943
1944 return 0;
1945}
1946
b1d25a67 1947#define SCAN_DELAY_JIFFIES (6 * HZ)
fd014284 1948static int rndis_scan(struct wiphy *wiphy,
71a7b26d
JK		 1949 struct cfg80211_scan_request *request)
1950{
fd014284 1951 struct net_device *dev = request->wdev->netdev;
71a7b26d 1952 struct usbnet *usbdev = netdev_priv(dev);
582241a0 1953 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 1954 int ret;
5cb56af2 1955 int delay = SCAN_DELAY_JIFFIES;
71a7b26d 1956
60b86755 1957 netdev_dbg(usbdev->net, "cfg80211.scan\n");
71a7b26d 1958
db0dd396
JK		 1959 /* Get current bssid list from device before new scan, as new scan
1960 * clears internal bssid list.
1961 */
b5257c95 1962 rndis_check_bssid_list(usbdev, NULL, NULL);
db0dd396 1963
71a7b26d
JK		 1964 if (priv->scan_request && priv->scan_request != request)
1965 return -EBUSY;
1966
1967 priv->scan_request = request;
1968
5cb56af2 1969 ret = rndis_start_bssid_list_scan(usbdev);
71a7b26d 1970 if (ret == 0) {
5cb56af2
JK		 1971 if (priv->device_type == RNDIS_BCM4320A)
1972 delay = HZ;
1973
71a7b26d 1974 /* Wait before retrieving scan results from device */
5cb56af2 1975 queue_delayed_work(priv->workqueue, &priv->scan_work, delay);
71a7b26d
JK		 1976 }
1977
1978 return ret;
1979}
1980
a64e2e23
JK		 1981static bool rndis_bss_info_update(struct usbnet *usbdev,
1982 struct ndis_80211_bssid_ex *bssid)
71a7b26d 1983{
582241a0 1984 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
71a7b26d 1985 struct ieee80211_channel *channel;
a64e2e23 1986 struct cfg80211_bss *bss;
71a7b26d
JK		 1987 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
bfe3850b
JK		 1995 netdev_dbg(usbdev->net, " found bssid: '%.32s' [%pM], len: %d\n",
1996 bssid->ssid.essid, bssid->mac, le32_to_cpu(bssid->length));
5fd8f250 1997
71a7b26d
JK		 1998 /* 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
5bc8c1f2
JB		 2025 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);
5b112d3d 2029 cfg80211_put_bss(priv->wdev.wiphy, bss);
a64e2e23
JK		 2030
2031 return (bss != NULL);
71a7b26d
JK		 2032}
2033
bfe3850b
JK		 2034static 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
b5257c95
JK		 2067static int rndis_check_bssid_list(struct usbnet *usbdev, u8 *match_bssid,
2068 bool *matched)
71a7b26d
JK		 2069{
2070 void *buf = NULL;
2071 struct ndis_80211_bssid_list_ex *bssid_list;
2072 struct ndis_80211_bssid_ex *bssid;
bfe3850b 2073 int ret = -EINVAL, len, count, bssid_len, real_count, new_len;
71a7b26d 2074
bfe3850b 2075 netdev_dbg(usbdev->net, "%s()\n", __func__);
71a7b26d
JK		 2076
2077 len = CONTROL_BUFFER_SIZE;
5fd8f250 2078resize_buf:
bfe3850b 2079 buf = kzalloc(len, GFP_KERNEL);
71a7b26d
JK		 2080 if (!buf) {
2081 ret = -ENOMEM;
2082 goto out;
2083 }
2084
bfe3850b
JK		 2085 /* 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;
470f16c8 2089 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_BSSID_LIST,
4cc6c4d5 2090 buf, &new_len);
bfe3850b 2091 if (ret != 0 || new_len < sizeof(struct ndis_80211_bssid_list_ex))
71a7b26d
JK		 2092 goto out;
2093
bfe3850b
JK		 2094 if (new_len > len) {
2095 len = new_len;
5fd8f250
JK		 2096 kfree(buf);
2097 goto resize_buf;
2098 }
2099
bfe3850b
JK		 2100 len = new_len;
2101
71a7b26d 2102 bssid_list = buf;
71a7b26d 2103 count = le32_to_cpu(bssid_list->num_items);
bfe3850b
JK		 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);
71a7b26d 2109
bfe3850b
JK		 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)) {
b5257c95
JK		 2114 if (rndis_bss_info_update(usbdev, bssid) && match_bssid &&
2115 matched) {
b0fd49b7 2116 if (ether_addr_equal(bssid->mac, match_bssid))
b5257c95
JK		 2117 *matched = true;
2118 }
71a7b26d 2119
bfe3850b
JK		 2120 real_count++;
2121 bssid = next_bssid_list_item(bssid, &bssid_len, buf, len);
71a7b26d
JK		 2122 }
2123
bfe3850b
JK		 2124 netdev_dbg(usbdev->net, "%s(): num_items from device: %d, really found:"
2125 " %d\n", __func__, count, real_count);
2126
71a7b26d
JK		 2127out:
2128 kfree(buf);
2129 return ret;
2130}
2131
71a7b26d
JK		 2132static void rndis_get_scan_results(struct work_struct *work)
2133{
582241a0
JK		 2134 struct rndis_wlan_private *priv =
2135 container_of(work, struct rndis_wlan_private, scan_work.work);
71a7b26d 2136 struct usbnet *usbdev = priv->usbdev;
1d76250b 2137 struct cfg80211_scan_info info = {};
71a7b26d
JK		 2138 int ret;
2139
60b86755 2140 netdev_dbg(usbdev->net, "get_scan_results\n");
71a7b26d 2141
005ba2f1
JK		 2142 if (!priv->scan_request)
2143 return;
2144
b5257c95 2145 ret = rndis_check_bssid_list(usbdev, NULL, NULL);
71a7b26d 2146
1d76250b
AS		 2147 info.aborted = ret < 0;
2148 cfg80211_scan_done(priv->scan_request, &info);
71a7b26d
JK		 2149
2150 priv->scan_request = NULL;
2151}
2152
5c52323e
JK		 2153static 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) {
60b86755 2175 netdev_err(usbdev->net, "Unsupported pairwise cipher\n");
5c52323e
JK		 2176 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) {
60b86755 2185 netdev_err(usbdev->net, "Invalid keymgmt\n");
5c52323e
JK		 2186 return -ENOTSUPP;
2187 }
2188
60b86755
JP		 2189 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);
5c52323e
JK		 2193
2194 if (is_associated(usbdev))
2195 disassociate(usbdev, false);
2196
2197 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_INFRA);
2198 if (ret < 0) {
60b86755
JP		 2199 netdev_dbg(usbdev->net, "connect: set_infra_mode failed, %d\n",
2200 ret);
5c52323e
JK		 2201 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) {
60b86755
JP		 2207 netdev_dbg(usbdev->net, "connect: set_auth_mode failed, %d\n",
2208 ret);
5c52323e
JK		 2209 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) {
60b86755
JP		 2216 netdev_dbg(usbdev->net, "connect: set_encr_mode failed, %d\n",
2217 ret);
5c52323e
JK		 2218 goto err_turn_radio_on;
2219 }
2220
2221 if (channel) {
2222 ret = set_channel(usbdev, chan);
2223 if (ret < 0) {
60b86755
JP		 2224 netdev_dbg(usbdev->net, "connect: set_channel failed, %d\n",
2225 ret);
5c52323e
JK		 2226 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) {
60b86755
JP		 2234 netdev_dbg(usbdev->net, "connect: add_wep_key failed, %d (%d, %d)\n",
2235 ret, sme->key_len, sme->key_idx);
5c52323e
JK		 2236 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) {
60b86755
JP		 2244 netdev_dbg(usbdev->net, "connect: set_bssid failed, %d\n",
2245 ret);
5c52323e
JK		 2246 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)
60b86755 2267 netdev_dbg(usbdev->net, "connect: set_essid failed, %d\n", ret);
5c52323e
JK		 2268 return ret;
2269
2270err_turn_radio_on:
051ae0bf 2271 disassociate(usbdev, true);
5c52323e
JK		 2272
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
60b86755 2282 netdev_dbg(usbdev->net, "cfg80211.disconnect(%d)\n", reason_code);
5c52323e
JK		 2283
2284 priv->connected = false;
93803b33 2285 eth_zero_addr(priv->bssid);
5c52323e
JK		 2286
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;
683b6d3b 2295 struct ieee80211_channel *channel = params->chandef.chan;
5c52323e
JK		 2296 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
60b86755
JP		 2316 netdev_dbg(usbdev->net, "cfg80211.join_ibss('%.32s':[%pM]:%d:%d)\n",
2317 params->ssid, params->bssid, chan, params->privacy);
5c52323e
JK		 2318
2319 if (is_associated(usbdev))
2320 disassociate(usbdev, false);
2321
2322 ret = set_infra_mode(usbdev, NDIS_80211_INFRA_ADHOC);
2323 if (ret < 0) {
60b86755
JP		 2324 netdev_dbg(usbdev->net, "join_ibss: set_infra_mode failed, %d\n",
2325 ret);
5c52323e
JK		 2326 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) {
60b86755
JP		 2331 netdev_dbg(usbdev->net, "join_ibss: set_auth_mode failed, %d\n",
2332 ret);
5c52323e
JK		 2333 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) {
60b86755
JP		 2340 netdev_dbg(usbdev->net, "join_ibss: set_encr_mode failed, %d\n",
2341 ret);
5c52323e
JK		 2342 goto err_turn_radio_on;
2343 }
2344
2345 if (channel) {
2346 ret = set_channel(usbdev, chan);
2347 if (ret < 0) {
60b86755
JP		 2348 netdev_dbg(usbdev->net, "join_ibss: set_channel failed, %d\n",
2349 ret);
5c52323e
JK		 2350 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) {
60b86755
JP		 2358 netdev_dbg(usbdev->net, "join_ibss: set_bssid failed, %d\n",
2359 ret);
5c52323e
JK		 2360 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)
60b86755
JP		 2379 netdev_dbg(usbdev->net, "join_ibss: set_essid failed, %d\n",
2380 ret);
5c52323e
JK		 2381 return ret;
2382
2383err_turn_radio_on:
051ae0bf 2384 disassociate(usbdev, true);
5c52323e
JK		 2385
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
60b86755 2394 netdev_dbg(usbdev->net, "cfg80211.leave_ibss()\n");
5c52323e
JK		 2395
2396 priv->connected = false;
93803b33 2397 eth_zero_addr(priv->bssid);
5c52323e
JK		 2398
2399 return deauthenticate(usbdev);
2400}
2401
84bf8400 2402static int rndis_add_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213
JB		 2403 u8 key_index, bool pairwise, const u8 *mac_addr,
2404 struct key_params *params)
84bf8400
JK		 2405{
2406 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2407 struct usbnet *usbdev = priv->usbdev;
53d27eaf 2408 __le32 flags;
84bf8400 2409
60b86755
JP		 2410 netdev_dbg(usbdev->net, "%s(%i, %pM, %08x)\n",
2411 __func__, key_index, mac_addr, params->cipher);
84bf8400
JK		 2412
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:
60b86755
JP		 2432 netdev_dbg(usbdev->net, "%s(): unsupported cipher %08x\n",
2433 __func__, params->cipher);
84bf8400
JK		 2434 return -ENOTSUPP;
2435 }
2436}
2437
2438static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
e31b8213 2439 u8 key_index, bool pairwise, const u8 *mac_addr)
84bf8400
JK		 2440{
2441 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2442 struct usbnet *usbdev = priv->usbdev;
2443
60b86755 2444 netdev_dbg(usbdev->net, "%s(%i, %pM)\n", __func__, key_index, mac_addr);
84bf8400
JK		 2445
2446 return remove_key(usbdev, key_index, mac_addr);
2447}
2448
2449static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
dbd2fd65 2450 u8 key_index, bool unicast, bool multicast)
84bf8400
JK		 2451{
2452 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2453 struct usbnet *usbdev = priv->usbdev;
2454 struct rndis_wlan_encr_key key;
2455
60b86755 2456 netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
84bf8400 2457
ec3cbb9c
DC		 2458 if (key_index >= RNDIS_WLAN_NUM_KEYS)
2459 return -ENOENT;
2460
84bf8400
JK		 2461 priv->encr_tx_key_index = key_index;
2462
0b578021
JK		 2463 if (is_wpa_key(priv, key_index))
2464 return 0;
2465
84bf8400
JK		 2466 key = priv->encr_keys[key_index];
2467
2468 return add_wep_key(usbdev, key.material, key.len, key_index);
2469}
2470
8b89a288
JK		 2471static 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);
470f16c8 2480 ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len);
8b89a288
JK		 2481 if (ret == 0) {
2482 sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000;
319090bf 2483 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
8b89a288
JK		 2484 }
2485
2486 len = sizeof(rssi);
470f16c8 2487 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
4cc6c4d5 2488 &rssi, &len);
8b89a288
JK		 2489 if (ret == 0) {
2490 sinfo->signal = level_to_qual(le32_to_cpu(rssi));
319090bf 2491 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
8b89a288
JK		 2492 }
2493}
2494
2495static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2496 const u8 *mac, struct station_info *sinfo)
8b89a288
JK		 2497{
2498 struct rndis_wlan_private *priv = wiphy_priv(wiphy);
2499 struct usbnet *usbdev = priv->usbdev;
2500
2e42e474 2501 if (!ether_addr_equal(priv->bssid, mac))
8b89a288
JK		 2502 return -ENOENT;
2503
2504 rndis_fill_station_info(usbdev, sinfo);
2505
2506 return 0;
2507}
2508
d695df90
JK		 2509static 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
5a7d0583
JK		 2525static 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
470f16c8 2594 return rndis_set_oid(usbdev, RNDIS_OID_802_11_PMKID,
4cc6c4d5 2595 &pmkid, sizeof(pmkid));
5a7d0583
JK		 2596}
2597
40d70dd1
JK		 2598static 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
63453c05
JK		 2607 if (priv->device_type != RNDIS_BCM4320B)
2608 return -ENOTSUPP;
2609
40d70dd1
JK		 2610 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);
470f16c8 2625 ret = rndis_set_oid(usbdev, RNDIS_OID_802_11_POWER_MODE,
4cc6c4d5 2626 &mode, sizeof(mode));
40d70dd1 2627
4cc6c4d5 2628 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_POWER_MODE -> %d\n",
40d70dd1
JK		 2629 __func__, ret);
2630
2631 return ret;
2632}
2633
49b35bd3
JK		 2634static 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
b5257c95
JK		 2647static 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;
b5257c95 2652 struct ndis_80211_ssid ssid;
a64e2e23 2653 struct cfg80211_bss *bss;
b5257c95
JK		 2654 s32 signal;
2655 u64 timestamp;
2656 u16 capability;
f808e4ad 2657 u32 beacon_period = 0;
b5257c95
JK		 2658 __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;
470f16c8 2665 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
4cc6c4d5 2666 &rssi, &len);
b5257c95
JK		 2667 signal = level_to_qual(le32_to_cpu(rssi));
2668
4cc6c4d5 2669 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_RSSI -> %d, "
b5257c95
JK		 2670 "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 */
f808e4ad 2683 channel = get_current_channel(usbdev, &beacon_period);
cb82a66d
JK		 2684 if (!channel) {
2685 netdev_warn(usbdev->net, "%s(): could not get channel.\n",
2686 __func__);
b5257c95
JK		 2687 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));
470f16c8 2693 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_SSID,
4cc6c4d5
LW		 2694 &ssid, &len);
2695 netdev_dbg(usbdev->net, "%s(): RNDIS_OID_802_11_SSID -> %d, len: %d, ssid: "
b5257c95
JK		 2696 "'%.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),
f808e4ad 2714 bssid, (u32)timestamp, capability, beacon_period, ie_len,
b5257c95
JK		 2715 ssid.essid, signal);
2716
5bc8c1f2
JB		 2717 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);
5b112d3d 2721 cfg80211_put_bss(priv->wdev.wiphy, bss);
b5257c95
JK		 2722}
2723
c5c4fe90
JK		 2724/*
2725 * workers, indication handlers, device poller
2726 */
0848e6c6 2727static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
bf164cc0 2728{
5c52323e 2729 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3d1ca47e 2730 struct ndis_80211_assoc_info *info = NULL;
0848e6c6 2731 u8 bssid[ETH_ALEN];
41eedf39
DC		 2732 unsigned int resp_ie_len, req_ie_len;
2733 unsigned int offset;
5c52323e 2734 u8 *req_ie, *resp_ie;
41eedf39 2735 int ret;
5c52323e 2736 bool roamed = false;
b5257c95 2737 bool match_bss;
bf164cc0 2738
5c52323e
JK		 2739 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;
2743 }
0848e6c6 2744
5c52323e
JK		 2745 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) {
3d1ca47e
JK		 2751 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 }
5c52323e 2758
3d1ca47e
JK		 2759 /* Get association info IEs from device. */
2760 ret = get_association_info(usbdev, info, CONTROL_BUFFER_SIZE);
5c52323e
JK		 2761 if (!ret) {
2762 req_ie_len = le32_to_cpu(info->req_ie_length);
41eedf39
DC		 2763 if (req_ie_len > CONTROL_BUFFER_SIZE)
2764 req_ie_len = CONTROL_BUFFER_SIZE;
2765 if (req_ie_len != 0) {
5c52323e 2766 offset = le32_to_cpu(info->offset_req_ies);
3d1ca47e
JK		 2767
2768 if (offset > CONTROL_BUFFER_SIZE)
2769 offset = CONTROL_BUFFER_SIZE;
2770
5c52323e 2771 req_ie = (u8 *)info + offset;
3d1ca47e
JK		 2772
2773 if (offset + req_ie_len > CONTROL_BUFFER_SIZE)
2774 req_ie_len =
2775 CONTROL_BUFFER_SIZE - offset;
5c52323e
JK		 2776 }
2777
2778 resp_ie_len = le32_to_cpu(info->resp_ie_length);
41eedf39
DC		 2779 if (resp_ie_len > CONTROL_BUFFER_SIZE)
2780 resp_ie_len = CONTROL_BUFFER_SIZE;
2781 if (resp_ie_len != 0) {
5c52323e 2782 offset = le32_to_cpu(info->offset_resp_ies);
3d1ca47e
JK		 2783
2784 if (offset > CONTROL_BUFFER_SIZE)
2785 offset = CONTROL_BUFFER_SIZE;
2786
5c52323e 2787 resp_ie = (u8 *)info + offset;
3d1ca47e
JK		 2788
2789 if (offset + resp_ie_len > CONTROL_BUFFER_SIZE)
2790 resp_ie_len =
2791 CONTROL_BUFFER_SIZE - offset;
5c52323e 2792 }
b5257c95
JK		 2793 } 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;
4364623c 2800 }
5c52323e
JK		 2801 } else if (WARN_ON(priv->infra_mode != NDIS_80211_INFRA_ADHOC))
2802 return;
4364623c 2803
5c52323e
JK		 2804 ret = get_bssid(usbdev, bssid);
2805 if (ret < 0)
2806 memset(bssid, 0, sizeof(bssid));
7834ddbc 2807
60b86755
JP		 2808 netdev_dbg(usbdev->net, "link up work: [%pM]%s\n",
2809 bssid, roamed ? " roamed" : "");
bf164cc0 2810
b5257c95 2811 /* Internal bss list in device should contain at least the currently
5c52323e
JK		 2812 * connected bss and we can get it to cfg80211 with
2813 * rndis_check_bssid_list().
b5257c95
JK		 2814 *
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
4cc6c4d5 2818 * response to query of RNDIS_OID_802_11_BSSID_LIST."
b5257c95
JK		 2819 *
2820 * NOTE: Seems to be true for BCM4320b variant, but not BCM4320a.
5c52323e 2821 */
b5257c95
JK		 2822 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 }
5c52323e
JK		 2831
2832 if (priv->infra_mode == NDIS_80211_INFRA_INFRA) {
2833 if (!roamed)
2834 cfg80211_connect_result(usbdev->net, bssid, req_ie,
2835 req_ie_len, resp_ie,
2836 resp_ie_len, 0, GFP_KERNEL);
2837 else
6f104a08
JK		 2838 cfg80211_roamed(usbdev->net,
2839 get_current_channel(usbdev, NULL),
2840 bssid, req_ie, req_ie_len,
5c52323e
JK		 2841 resp_ie, resp_ie_len, GFP_KERNEL);
2842 } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
fe94f3a4
AQ		 2843 cfg80211_ibss_joined(usbdev->net, bssid,
2844 get_current_channel(usbdev, NULL),
2845 GFP_KERNEL);
5c52323e 2846
cd3d03d5 2847 kfree(info);
3d1ca47e 2848
5c52323e 2849 priv->connected = true;
8b89a288 2850 memcpy(priv->bssid, bssid, ETH_ALEN);
6010ce07 2851
0848e6c6 2852 usbnet_resume_rx(usbdev);
5c52323e 2853 netif_carrier_on(usbdev->net);
0848e6c6
JK		 2854}
2855
2856static void rndis_wlan_do_link_down_work(struct usbnet *usbdev)
2857{
b6411fc2 2858 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
0848e6c6 2859
b6411fc2
JK		 2860 if (priv->connected) {
2861 priv->connected = false;
93803b33 2862 eth_zero_addr(priv->bssid);
b6411fc2
JK		 2863
2864 deauthenticate(usbdev);
0848e6c6 2865
80279fb7 2866 cfg80211_disconnected(usbdev->net, 0, NULL, 0, true, GFP_KERNEL);
b6411fc2
JK		 2867 }
2868
2869 netif_carrier_off(usbdev->net);
0848e6c6
JK		 2870}
2871
2872static void rndis_wlan_worker(struct work_struct *work)
2873{
2874 struct rndis_wlan_private *priv =
2875 container_of(work, struct rndis_wlan_private, work);
2876 struct usbnet *usbdev = priv->usbdev;
2877
2878 if (test_and_clear_bit(WORK_LINK_UP, &priv->work_pending))
2879 rndis_wlan_do_link_up_work(usbdev);
2880
2881 if (test_and_clear_bit(WORK_LINK_DOWN, &priv->work_pending))
2882 rndis_wlan_do_link_down_work(usbdev);
2883
bf164cc0
JK		 2884 if (test_and_clear_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2885 set_multicast_list(usbdev);
2886}
2887
582241a0 2888static void rndis_wlan_set_multicast_list(struct net_device *dev)
bf164cc0 2889{
524ad0a7 2890 struct usbnet *usbdev = netdev_priv(dev);
582241a0 2891 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 2892
a67edb9e
JK		 2893 if (test_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending))
2894 return;
2895
bf164cc0
JK		 2896 set_bit(WORK_SET_MULTICAST_LIST, &priv->work_pending);
2897 queue_work(priv->workqueue, &priv->work);
2898}
2899
030645ac
JK		 2900static void rndis_wlan_auth_indication(struct usbnet *usbdev,
2901 struct ndis_80211_status_indication *indication,
2902 int len)
2903{
2904 u8 *buf;
2905 const char *type;
a0f9ce2a 2906 int flags, buflen, key_id;
030645ac
JK		 2907 bool pairwise_error, group_error;
2908 struct ndis_80211_auth_request *auth_req;
a0f9ce2a 2909 enum nl80211_key_type key_type;
030645ac
JK		 2910
2911 /* must have at least one array entry */
2912 if (len < offsetof(struct ndis_80211_status_indication, u) +
2913 sizeof(struct ndis_80211_auth_request)) {
60b86755
JP		 2914 netdev_info(usbdev->net, "authentication indication: too short message (%i)\n",
2915 len);
030645ac
JK		 2916 return;
2917 }
2918
2919 buf = (void *)&indication->u.auth_request[0];
2920 buflen = len - offsetof(struct ndis_80211_status_indication, u);
2921
2922 while (buflen >= sizeof(*auth_req)) {
2923 auth_req = (void *)buf;
2924 type = "unknown";
2925 flags = le32_to_cpu(auth_req->flags);
2926 pairwise_error = false;
2927 group_error = false;
2928
2929 if (flags & 0x1)
2930 type = "reauth request";
2931 if (flags & 0x2)
2932 type = "key update request";
2933 if (flags & 0x6) {
2934 pairwise_error = true;
2935 type = "pairwise_error";
2936 }
2937 if (flags & 0xe) {
2938 group_error = true;
2939 type = "group_error";
2940 }
2941
60b86755
JP		 2942 netdev_info(usbdev->net, "authentication indication: %s (0x%08x)\n",
2943 type, le32_to_cpu(auth_req->flags));
030645ac 2944
a0f9ce2a
JK		 2945 if (pairwise_error) {
2946 key_type = NL80211_KEYTYPE_PAIRWISE;
2947 key_id = -1;
030645ac 2948
a0f9ce2a
JK		 2949 cfg80211_michael_mic_failure(usbdev->net,
2950 auth_req->bssid,
2951 key_type, key_id, NULL,
2952 GFP_KERNEL);
2953 }
030645ac 2954
a0f9ce2a
JK		 2955 if (group_error) {
2956 key_type = NL80211_KEYTYPE_GROUP;
2957 key_id = -1;
030645ac 2958
a0f9ce2a
JK		 2959 cfg80211_michael_mic_failure(usbdev->net,
2960 auth_req->bssid,
2961 key_type, key_id, NULL,
2962 GFP_KERNEL);
030645ac
JK		 2963 }
2964
2965 buflen -= le32_to_cpu(auth_req->length);
2966 buf += le32_to_cpu(auth_req->length);
2967 }
2968}
2969
2970static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
2971 struct ndis_80211_status_indication *indication,
2972 int len)
2973{
2974 struct ndis_80211_pmkid_cand_list *cand_list;
2975 int list_len, expected_len, i;
2976
2977 if (len < offsetof(struct ndis_80211_status_indication, u) +
2978 sizeof(struct ndis_80211_pmkid_cand_list)) {
60b86755
JP		 2979 netdev_info(usbdev->net, "pmkid candidate list indication: too short message (%i)\n",
2980 len);
030645ac
JK		 2981 return;
2982 }
2983
2984 list_len = le32_to_cpu(indication->u.cand_list.num_candidates) *
2985 sizeof(struct ndis_80211_pmkid_candidate);
2986 expected_len = sizeof(struct ndis_80211_pmkid_cand_list) + list_len +
2987 offsetof(struct ndis_80211_status_indication, u);
2988
2989 if (len < expected_len) {
60b86755
JP		 2990 netdev_info(usbdev->net, "pmkid candidate list indication: list larger than buffer (%i < %i)\n",
2991 len, expected_len);
030645ac
JK		 2992 return;
2993 }
2994
2995 cand_list = &indication->u.cand_list;
2996
60b86755
JP		 2997 netdev_info(usbdev->net, "pmkid candidate list indication: version %i, candidates %i\n",
2998 le32_to_cpu(cand_list->version),
2999 le32_to_cpu(cand_list->num_candidates));
030645ac
JK		 3000
3001 if (le32_to_cpu(cand_list->version) != 1)
3002 return;
3003
3004 for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
030645ac
JK		 3005 struct ndis_80211_pmkid_candidate *cand =
3006 &cand_list->candidate_list[i];
1c706875 3007 bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
030645ac 3008
1c706875
JK		 3009 netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
3010 i, le32_to_cpu(cand->flags), preauth, cand->bssid);
21ec2d8d 3011
1c706875
JK		 3012 cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
3013 preauth, GFP_ATOMIC);
030645ac
JK		 3014 }
3015}
3016
3017static void rndis_wlan_media_specific_indication(struct usbnet *usbdev,
3018 struct rndis_indicate *msg, int buflen)
3019{
3020 struct ndis_80211_status_indication *indication;
e4e02da2 3021 unsigned int len, offset;
030645ac
JK		 3022
3023 offset = offsetof(struct rndis_indicate, status) +
3024 le32_to_cpu(msg->offset);
3025 len = le32_to_cpu(msg->length);
3026
3027 if (len < 8) {
60b86755
JP		 3028 netdev_info(usbdev->net, "media specific indication, ignore too short message (%i < 8)\n",
3029 len);
030645ac
JK		 3030 return;
3031 }
3032
e4e02da2 3033 if (len > buflen || offset > buflen || offset + len > buflen) {
60b86755
JP		 3034 netdev_info(usbdev->net, "media specific indication, too large to fit to buffer (%i > %i)\n",
3035 offset + len, buflen);
030645ac
JK		 3036 return;
3037 }
3038
3039 indication = (void *)((u8 *)msg + offset);
3040
3041 switch (le32_to_cpu(indication->status_type)) {
3042 case NDIS_80211_STATUSTYPE_RADIOSTATE:
60b86755
JP		 3043 netdev_info(usbdev->net, "radio state indication: %i\n",
3044 le32_to_cpu(indication->u.radio_status));
030645ac
JK		 3045 return;
3046
3047 case NDIS_80211_STATUSTYPE_MEDIASTREAMMODE:
60b86755
JP		 3048 netdev_info(usbdev->net, "media stream mode indication: %i\n",
3049 le32_to_cpu(indication->u.media_stream_mode));
030645ac
JK		 3050 return;
3051
3052 case NDIS_80211_STATUSTYPE_AUTHENTICATION:
3053 rndis_wlan_auth_indication(usbdev, indication, len);
3054 return;
3055
3056 case NDIS_80211_STATUSTYPE_PMKID_CANDIDATELIST:
3057 rndis_wlan_pmkid_cand_list_indication(usbdev, indication, len);
3058 return;
3059
3060 default:
60b86755
JP		 3061 netdev_info(usbdev->net, "media specific indication: unknown status type 0x%08x\n",
3062 le32_to_cpu(indication->status_type));
030645ac
JK		 3063 }
3064}
3065
2a4901bc 3066static void rndis_wlan_indication(struct usbnet *usbdev, void *ind, int buflen)
bf164cc0 3067{
582241a0 3068 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
2a4901bc 3069 struct rndis_indicate *msg = ind;
bf164cc0 3070
117599e0
JK		 3071 switch (le32_to_cpu(msg->status)) {
3072 case RNDIS_STATUS_MEDIA_CONNECT:
470f16c8
JK		 3073 if (priv->current_command_oid == RNDIS_OID_802_11_ADD_KEY) {
3074 /* RNDIS_OID_802_11_ADD_KEY causes sometimes extra
5f81ff5a
JK		 3075 * "media connect" indications which confuses driver
3076 * and userspace to think that device is
3077 * roaming/reassociating when it isn't.
3078 */
4cc6c4d5 3079 netdev_dbg(usbdev->net, "ignored RNDIS_OID_802_11_ADD_KEY triggered 'media connect'\n");
5f81ff5a
JK		 3080 return;
3081 }
3082
7834ddbc
JK		 3083 usbnet_pause_rx(usbdev);
3084
60b86755 3085 netdev_info(usbdev->net, "media connect\n");
2a4901bc 3086
030645ac 3087 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3088 set_bit(WORK_LINK_UP, &priv->work_pending);
3089 queue_work(priv->workqueue, &priv->work);
3090 break;
3091
117599e0 3092 case RNDIS_STATUS_MEDIA_DISCONNECT:
60b86755 3093 netdev_info(usbdev->net, "media disconnect\n");
2a4901bc 3094
030645ac 3095 /* queue work to avoid recursive calls into rndis_command */
2a4901bc
JK		 3096 set_bit(WORK_LINK_DOWN, &priv->work_pending);
3097 queue_work(priv->workqueue, &priv->work);
3098 break;
3099
117599e0 3100 case RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION:
030645ac
JK		 3101 rndis_wlan_media_specific_indication(usbdev, msg, buflen);
3102 break;
3103
2a4901bc 3104 default:
60b86755
JP		 3105 netdev_info(usbdev->net, "indication: 0x%08x\n",
3106 le32_to_cpu(msg->status));
2a4901bc
JK		 3107 break;
3108 }
bf164cc0
JK		 3109}
3110
0308383f 3111static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
bf164cc0
JK		 3112{
3113 struct {
3114 __le32 num_items;
3115 __le32 items[8];
3116 } networks_supported;
0308383f
JK		 3117 struct ndis_80211_capability *caps;
3118 u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
bf164cc0 3119 int len, retval, i, n;
582241a0 3120 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3121
bf164cc0
JK		 3122 /* determine supported modes */
3123 len = sizeof(networks_supported);
4cc6c4d5 3124 retval = rndis_query_oid(usbdev,
470f16c8 3125 RNDIS_OID_802_11_NETWORK_TYPES_SUPPORTED,
4cc6c4d5 3126 &networks_supported, &len);
bf164cc0
JK		 3127 if (retval >= 0) {
3128 n = le32_to_cpu(networks_supported.num_items);
3129 if (n > 8)
3130 n = 8;
3131 for (i = 0; i < n; i++) {
3132 switch (le32_to_cpu(networks_supported.items[i])) {
aa18294a
JK		 3133 case NDIS_80211_TYPE_FREQ_HOP:
3134 case NDIS_80211_TYPE_DIRECT_SEQ:
bf164cc0
JK		 3135 priv->caps |= CAP_MODE_80211B;
3136 break;
aa18294a 3137 case NDIS_80211_TYPE_OFDM_A:
bf164cc0
JK		 3138 priv->caps |= CAP_MODE_80211A;
3139 break;
aa18294a 3140 case NDIS_80211_TYPE_OFDM_G:
bf164cc0
JK		 3141 priv->caps |= CAP_MODE_80211G;
3142 break;
3143 }
3144 }
bf164cc0
JK		 3145 }
3146
0308383f
JK		 3147 /* get device 802.11 capabilities, number of PMKIDs */
3148 caps = (struct ndis_80211_capability *)caps_buf;
3149 len = sizeof(caps_buf);
4cc6c4d5 3150 retval = rndis_query_oid(usbdev,
470f16c8 3151 RNDIS_OID_802_11_CAPABILITY,
4cc6c4d5 3152 caps, &len);
0308383f 3153 if (retval >= 0) {
4cc6c4d5 3154 netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
0308383f
JK		 3155 "ver %d, pmkids %d, auth-encr-pairs %d\n",
3156 le32_to_cpu(caps->length),
3157 le32_to_cpu(caps->version),
3158 le32_to_cpu(caps->num_pmkids),
3159 le32_to_cpu(caps->num_auth_encr_pair));
3160 wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
3161 } else
3162 wiphy->max_num_pmkids = 0;
3163
bf164cc0
JK		 3164 return retval;
3165}
3166
49b35bd3
JK		 3167static void rndis_do_cqm(struct usbnet *usbdev, s32 rssi)
3168{
3169 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3170 enum nl80211_cqm_rssi_threshold_event event;
3171 int thold, hyst, last_event;
3172
3173 if (priv->cqm_rssi_thold >= 0 || rssi >= 0)
3174 return;
3175 if (priv->infra_mode != NDIS_80211_INFRA_INFRA)
3176 return;
3177
3178 last_event = priv->last_cqm_event_rssi;
3179 thold = priv->cqm_rssi_thold;
3180 hyst = priv->cqm_rssi_hyst;
3181
3182 if (rssi < thold && (last_event == 0 || rssi < last_event - hyst))
3183 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW;
3184 else if (rssi > thold && (last_event == 0 || rssi > last_event + hyst))
3185 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
3186 else
3187 return;
3188
3189 priv->last_cqm_event_rssi = rssi;
3190 cfg80211_cqm_rssi_notify(usbdev->net, event, GFP_KERNEL);
3191}
3192
305e243e
JK		 3193#define DEVICE_POLLER_JIFFIES (HZ)
3194static void rndis_device_poller(struct work_struct *work)
bf164cc0 3195{
582241a0 3196 struct rndis_wlan_private *priv =
305e243e
JK		 3197 container_of(work, struct rndis_wlan_private,
3198 dev_poller_work.work);
bf164cc0 3199 struct usbnet *usbdev = priv->usbdev;
bf164cc0 3200 __le32 rssi, tmp;
a97b1f3d 3201 int len, ret, j;
305e243e 3202 int update_jiffies = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3203 void *buf;
3204
8b89a288
JK		 3205 /* Only check/do workaround when connected. Calling is_associated()
3206 * also polls device with rndis_command() and catches for media link
3207 * indications.
3208 */
5cb56af2
JK		 3209 if (!is_associated(usbdev)) {
3210 /* Workaround bad scanning in BCM4320a devices with active
3211 * background scanning when not associated.
3212 */
3213 if (priv->device_type == RNDIS_BCM4320A && priv->radio_on &&
3214 !priv->scan_request) {
3215 /* Get previous scan results */
3216 rndis_check_bssid_list(usbdev, NULL, NULL);
3217
3218 /* Initiate new scan */
3219 rndis_start_bssid_list_scan(usbdev);
3220 }
3221
bf164cc0 3222 goto end;
5cb56af2 3223 }
bf164cc0
JK		 3224
3225 len = sizeof(rssi);
470f16c8 3226 ret = rndis_query_oid(usbdev, RNDIS_OID_802_11_RSSI,
4cc6c4d5 3227 &rssi, &len);
49b35bd3 3228 if (ret == 0) {
8b89a288 3229 priv->last_qual = level_to_qual(le32_to_cpu(rssi));
49b35bd3
JK		 3230 rndis_do_cqm(usbdev, le32_to_cpu(rssi));
3231 }
bf164cc0 3232
4cc6c4d5 3233 netdev_dbg(usbdev->net, "dev-poller: RNDIS_OID_802_11_RSSI -> %d, rssi:%d, qual: %d\n",
60b86755 3234 ret, le32_to_cpu(rssi), level_to_qual(le32_to_cpu(rssi)));
bf164cc0 3235
a97b1f3d
JK		 3236 /* Workaround transfer stalls on poor quality links.
3237 * TODO: find right way to fix these stalls (as stalls do not happen
3238 * with ndiswrapper/windows driver). */
77593ae2 3239 if (priv->param_workaround_interval > 0 && priv->last_qual <= 25) {
bf164cc0
JK		 3240 /* Decrease stats worker interval to catch stalls.
3241 * faster. Faster than 400-500ms causes packet loss,
3242 * Slower doesn't catch stalls fast enough.
3243 */
3244 j = msecs_to_jiffies(priv->param_workaround_interval);
305e243e
JK		 3245 if (j > DEVICE_POLLER_JIFFIES)
3246 j = DEVICE_POLLER_JIFFIES;
bf164cc0
JK		 3247 else if (j <= 0)
3248 j = 1;
3249 update_jiffies = j;
3250
3251 /* Send scan OID. Use of both OIDs is required to get device
3252 * working.
3253 */
35c26c2c 3254 tmp = cpu_to_le32(1);
4cc6c4d5 3255 rndis_set_oid(usbdev,
470f16c8 3256 RNDIS_OID_802_11_BSSID_LIST_SCAN,
4cc6c4d5 3257 &tmp, sizeof(tmp));
bf164cc0
JK		 3258
3259 len = CONTROL_BUFFER_SIZE;
3260 buf = kmalloc(len, GFP_KERNEL);
3261 if (!buf)
3262 goto end;
3263
4cc6c4d5 3264 rndis_query_oid(usbdev,
470f16c8 3265 RNDIS_OID_802_11_BSSID_LIST,
4cc6c4d5 3266 buf, &len);
bf164cc0
JK		 3267 kfree(buf);
3268 }
bf164cc0 3269
305e243e 3270end:
bf164cc0
JK		 3271 if (update_jiffies >= HZ)
3272 update_jiffies = round_jiffies_relative(update_jiffies);
3273 else {
3274 j = round_jiffies_relative(update_jiffies);
3275 if (abs(j - update_jiffies) <= 10)
3276 update_jiffies = j;
3277 }
3278
305e243e
JK		 3279 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3280 update_jiffies);
bf164cc0
JK		 3281}
3282
c5c4fe90
JK		 3283/*
3284 * driver/device initialization
3285 */
5cb56af2 3286static void rndis_copy_module_params(struct usbnet *usbdev, int device_type)
bf164cc0 3287{
582241a0 3288 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0 3289
5cb56af2
JK		 3290 priv->device_type = device_type;
3291
bf164cc0
JK		 3292 priv->param_country[0] = modparam_country[0];
3293 priv->param_country[1] = modparam_country[1];
3294 priv->param_country[2] = 0;
3295 priv->param_frameburst = modparam_frameburst;
3296 priv->param_afterburner = modparam_afterburner;
3297 priv->param_power_save = modparam_power_save;
3298 priv->param_power_output = modparam_power_output;
3299 priv->param_roamtrigger = modparam_roamtrigger;
3300 priv->param_roamdelta = modparam_roamdelta;
bf164cc0
JK		 3301
3302 priv->param_country[0] = toupper(priv->param_country[0]);
3303 priv->param_country[1] = toupper(priv->param_country[1]);
3304 /* doesn't support EU as country code, use FI instead */
3305 if (!strcmp(priv->param_country, "EU"))
3306 strcpy(priv->param_country, "FI");
3307
3308 if (priv->param_power_save < 0)
3309 priv->param_power_save = 0;
3310 else if (priv->param_power_save > 2)
3311 priv->param_power_save = 2;
3312
a7624837
JK		 3313 if (priv->param_power_output < 0)
3314 priv->param_power_output = 0;
3315 else if (priv->param_power_output > 3)
3316 priv->param_power_output = 3;
3317
bf164cc0
JK		 3318 if (priv->param_roamtrigger < -80)
3319 priv->param_roamtrigger = -80;
3320 else if (priv->param_roamtrigger > -60)
3321 priv->param_roamtrigger = -60;
3322
3323 if (priv->param_roamdelta < 0)
3324 priv->param_roamdelta = 0;
3325 else if (priv->param_roamdelta > 2)
3326 priv->param_roamdelta = 2;
3327
4d381ffb 3328 if (modparam_workaround_interval < 0)
bf164cc0 3329 priv->param_workaround_interval = 500;
4d381ffb
RK		 3330 else
3331 priv->param_workaround_interval = modparam_workaround_interval;
cef6e912
JK		 3332}
3333
5cb56af2
JK		 3334static int unknown_early_init(struct usbnet *usbdev)
3335{
3336 /* copy module parameters for unknown so that iwconfig reports txpower
3337 * and workaround parameter is copied to private structure correctly.
3338 */
3339 rndis_copy_module_params(usbdev, RNDIS_UNKNOWN);
3340
3341 /* This is unknown device, so do not try set configuration parameters.
3342 */
3343
3344 return 0;
3345}
3346
cef6e912
JK		 3347static int bcm4320a_early_init(struct usbnet *usbdev)
3348{
6e850af5
JK		 3349 /* copy module parameters for bcm4320a so that iwconfig reports txpower
3350 * and workaround parameter is copied to private structure correctly.
3351 */
5cb56af2 3352 rndis_copy_module_params(usbdev, RNDIS_BCM4320A);
6e850af5 3353
cef6e912
JK		 3354 /* bcm4320a doesn't handle configuration parameters well. Try
3355 * set any and you get partially zeroed mac and broken device.
3356 */
3357
3358 return 0;
3359}
3360
3361static int bcm4320b_early_init(struct usbnet *usbdev)
3362{
3363 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3364 char buf[8];
3365
5cb56af2 3366 rndis_copy_module_params(usbdev, RNDIS_BCM4320B);
cef6e912
JK		 3367
3368 /* Early initialization settings, setting these won't have effect
3369 * if called after generic_rndis_bind().
3370 */
bf164cc0 3371
a19d7292
JK		 3372 rndis_set_config_parameter_str(usbdev, "Country", priv->param_country);
3373 rndis_set_config_parameter_str(usbdev, "FrameBursting",
bf164cc0 3374 priv->param_frameburst ? "1" : "0");
a19d7292 3375 rndis_set_config_parameter_str(usbdev, "Afterburner",
bf164cc0
JK		 3376 priv->param_afterburner ? "1" : "0");
3377 sprintf(buf, "%d", priv->param_power_save);
a19d7292 3378 rndis_set_config_parameter_str(usbdev, "PowerSaveMode", buf);
bf164cc0 3379 sprintf(buf, "%d", priv->param_power_output);
a19d7292 3380 rndis_set_config_parameter_str(usbdev, "PwrOut", buf);
bf164cc0 3381 sprintf(buf, "%d", priv->param_roamtrigger);
a19d7292 3382 rndis_set_config_parameter_str(usbdev, "RoamTrigger", buf);
bf164cc0 3383 sprintf(buf, "%d", priv->param_roamdelta);
a19d7292 3384 rndis_set_config_parameter_str(usbdev, "RoamDelta", buf);
bf164cc0
JK		 3385
3386 return 0;
3387}
3388
23d12e2b 3389/* same as rndis_netdev_ops but with local multicast handler */
582241a0 3390static const struct net_device_ops rndis_wlan_netdev_ops = {
23d12e2b
DM		 3391 .ndo_open = usbnet_open,
3392 .ndo_stop = usbnet_stop,
3393 .ndo_start_xmit = usbnet_start_xmit,
3394 .ndo_tx_timeout = usbnet_tx_timeout,
3395 .ndo_set_mac_address = eth_mac_addr,
3396 .ndo_validate_addr = eth_validate_addr,
afc4b13d 3397 .ndo_set_rx_mode = rndis_wlan_set_multicast_list,
23d12e2b
DM		 3398};
3399
582241a0 3400static int rndis_wlan_bind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3401{
5c8fa4f7 3402 struct wiphy *wiphy;
582241a0 3403 struct rndis_wlan_private *priv;
bf164cc0
JK		 3404 int retval, len;
3405 __le32 tmp;
3406
5c8fa4f7
JL		 3407 /* allocate wiphy and rndis private data
3408 * NOTE: We only support a single virtual interface, so wiphy
3409 * and wireless_dev are somewhat synonymous for this device.
3410 */
582241a0 3411 wiphy = wiphy_new(&rndis_config_ops, sizeof(struct rndis_wlan_private));
5c8fa4f7 3412 if (!wiphy)
bf164cc0
JK		 3413 return -ENOMEM;
3414
5c8fa4f7
JL		 3415 priv = wiphy_priv(wiphy);
3416 usbdev->net->ieee80211_ptr = &priv->wdev;
3417 priv->wdev.wiphy = wiphy;
3418 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3419
bf164cc0 3420 /* These have to be initialized before calling generic_rndis_bind().
582241a0 3421 * Otherwise we'll be in big trouble in rndis_wlan_early_init().
bf164cc0 3422 */
a19d7292 3423 usbdev->driver_priv = priv;
a19d7292 3424 priv->usbdev = usbdev;
bf164cc0
JK		 3425
3426 mutex_init(&priv->command_lock);
bf164cc0 3427
8d4d99ae
JK		 3428 /* because rndis_command() sleeps we need to use workqueue */
3429 priv->workqueue = create_singlethread_workqueue("rndis_wlan");
582241a0 3430 INIT_WORK(&priv->work, rndis_wlan_worker);
305e243e 3431 INIT_DELAYED_WORK(&priv->dev_poller_work, rndis_device_poller);
8d4d99ae
JK		 3432 INIT_DELAYED_WORK(&priv->scan_work, rndis_get_scan_results);
3433
bf164cc0 3434 /* try bind rndis_host */
a19d7292 3435 retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
bf164cc0
JK		 3436 if (retval < 0)
3437 goto fail;
3438
3439 /* generic_rndis_bind set packet filter to multicast_all+
3440 * promisc mode which doesn't work well for our devices (device
3441 * picks up rssi to closest station instead of to access point).
3442 *
3443 * rndis_host wants to avoid all OID as much as possible
582241a0 3444 * so do promisc/multicast handling in rndis_wlan.
bf164cc0 3445 */
582241a0 3446 usbdev->net->netdev_ops = &rndis_wlan_netdev_ops;
23d12e2b 3447
7390e8b0
LW		 3448 tmp = cpu_to_le32(RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST);
3449 retval = rndis_set_oid(usbdev,
470f16c8 3450 RNDIS_OID_GEN_CURRENT_PACKET_FILTER,
7390e8b0 3451 &tmp, sizeof(tmp));
bf164cc0
JK		 3452
3453 len = sizeof(tmp);
7390e8b0 3454 retval = rndis_query_oid(usbdev,
470f16c8 3455 RNDIS_OID_802_3_MAXIMUM_LIST_SIZE,
7390e8b0 3456 &tmp, &len);
bf164cc0
JK		 3457 priv->multicast_size = le32_to_cpu(tmp);
3458 if (retval < 0 || priv->multicast_size < 0)
3459 priv->multicast_size = 0;
3460 if (priv->multicast_size > 0)
a19d7292 3461 usbdev->net->flags |= IFF_MULTICAST;
bf164cc0 3462 else
a19d7292 3463 usbdev->net->flags &= ~IFF_MULTICAST;
bf164cc0 3464
5c8fa4f7
JL		 3465 /* fill-out wiphy structure and register w/ cfg80211 */
3466 memcpy(wiphy->perm_addr, usbdev->net->dev_addr, ETH_ALEN);
3467 wiphy->privid = rndis_wiphy_privid;
3468 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3469 | BIT(NL80211_IFTYPE_ADHOC);
3470 wiphy->max_scan_ssids = 1;
3471
4a7f13ee 3472 /* TODO: fill-out band/encr information based on priv->caps */
0308383f 3473 rndis_wlan_get_caps(usbdev, wiphy);
5c8fa4f7
JL		 3474
3475 memcpy(priv->channels, rndis_channels, sizeof(rndis_channels));
3476 memcpy(priv->rates, rndis_rates, sizeof(rndis_rates));
3477 priv->band.channels = priv->channels;
3478 priv->band.n_channels = ARRAY_SIZE(rndis_channels);
3479 priv->band.bitrates = priv->rates;
3480 priv->band.n_bitrates = ARRAY_SIZE(rndis_rates);
57fbcce3 3481 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band;
4d2a369e 3482 wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
5c8fa4f7 3483
4a7f13ee
JK		 3484 memcpy(priv->cipher_suites, rndis_cipher_suites,
3485 sizeof(rndis_cipher_suites));
3486 wiphy->cipher_suites = priv->cipher_suites;
3487 wiphy->n_cipher_suites = ARRAY_SIZE(rndis_cipher_suites);
3488
5c8fa4f7
JL		 3489 set_wiphy_dev(wiphy, &usbdev->udev->dev);
3490
3491 if (wiphy_register(wiphy)) {
eb1a685e
JK		 3492 retval = -ENODEV;
3493 goto fail;
5c8fa4f7
JL		 3494 }
3495
a19d7292 3496 set_default_iw_params(usbdev);
bf164cc0 3497
40d70dd1
JK		 3498 priv->power_mode = -1;
3499
d75ec2b7
JK		 3500 /* set default rts/frag */
3501 rndis_set_wiphy_params(wiphy,
3502 WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD);
3503
21b27bec
JK		 3504 /* turn radio off on init */
3505 priv->radio_on = false;
3506 disassociate(usbdev, false);
a19d7292 3507 netif_carrier_off(usbdev->net);
bf164cc0 3508
bf164cc0
JK		 3509 return 0;
3510
3511fail:
305e243e 3512 cancel_delayed_work_sync(&priv->dev_poller_work);
8d4d99ae
JK		 3513 cancel_delayed_work_sync(&priv->scan_work);
3514 cancel_work_sync(&priv->work);
3515 flush_workqueue(priv->workqueue);
3516 destroy_workqueue(priv->workqueue);
3517
eb1a685e 3518 wiphy_free(wiphy);
bf164cc0
JK		 3519 return retval;
3520}
3521
582241a0 3522static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
bf164cc0 3523{
582241a0 3524 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
bf164cc0
JK		 3525
3526 /* turn radio off */
051ae0bf 3527 disassociate(usbdev, false);
bf164cc0 3528
305e243e 3529 cancel_delayed_work_sync(&priv->dev_poller_work);
71a7b26d 3530 cancel_delayed_work_sync(&priv->scan_work);
bf164cc0
JK		 3531 cancel_work_sync(&priv->work);
3532 flush_workqueue(priv->workqueue);
3533 destroy_workqueue(priv->workqueue);
3534
a19d7292 3535 rndis_unbind(usbdev, intf);
5c8fa4f7
JL		 3536
3537 wiphy_unregister(priv->wdev.wiphy);
3538 wiphy_free(priv->wdev.wiphy);
bf164cc0
JK		 3539}
3540
582241a0 3541static int rndis_wlan_reset(struct usbnet *usbdev)
bf164cc0 3542{
110736de 3543 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
7eaab708 3544 int retval;
110736de 3545
60b86755 3546 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3547
7eaab708
JK		 3548 retval = rndis_reset(usbdev);
3549 if (retval)
60b86755 3550 netdev_warn(usbdev->net, "rndis_reset failed: %d\n", retval);
7eaab708 3551
e5a11a82
JK		 3552 /* rndis_reset cleared multicast list, so restore here.
3553 (set_multicast_list() also turns on current packet filter) */
7eaab708
JK		 3554 set_multicast_list(usbdev);
3555
305e243e
JK		 3556 queue_delayed_work(priv->workqueue, &priv->dev_poller_work,
3557 round_jiffies_relative(DEVICE_POLLER_JIFFIES));
110736de 3558
a19d7292 3559 return deauthenticate(usbdev);
bf164cc0
JK		 3560}
3561
222ec50a
JK		 3562static int rndis_wlan_stop(struct usbnet *usbdev)
3563{
110736de
JK		 3564 struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
3565 int retval;
e5a11a82 3566 __le32 filter;
110736de 3567
60b86755 3568 netdev_dbg(usbdev->net, "%s()\n", __func__);
110736de 3569
051ae0bf 3570 retval = disassociate(usbdev, false);
110736de
JK		 3571
3572 priv->work_pending = 0;
305e243e 3573 cancel_delayed_work_sync(&priv->dev_poller_work);
110736de
JK		 3574 cancel_delayed_work_sync(&priv->scan_work);
3575 cancel_work_sync(&priv->work);
3576 flush_workqueue(priv->workqueue);
3577
005ba2f1 3578 if (priv->scan_request) {
1d76250b
AS		 3579 struct cfg80211_scan_info info = {
3580 .aborted = true,
3581 };
3582
3583 cfg80211_scan_done(priv->scan_request, &info);
005ba2f1
JK		 3584 priv->scan_request = NULL;
3585 }
3586
e5a11a82
JK		 3587 /* Set current packet filter zero to block receiving data packets from
3588 device. */
3589 filter = 0;
470f16c8 3590 rndis_set_oid(usbdev, RNDIS_OID_GEN_CURRENT_PACKET_FILTER, &filter,
e5a11a82
JK		 3591 sizeof(filter));
3592
110736de 3593 return retval;
222ec50a
JK		 3594}
3595
bf164cc0
JK		 3596static const struct driver_info bcm4320b_info = {
3597 .description = "Wireless RNDIS device, BCM4320b based",
1487cd5e
JK		 3598 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3599 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3600 .bind = rndis_wlan_bind,
3601 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3602 .status = rndis_status,
3603 .rx_fixup = rndis_rx_fixup,
3604 .tx_fixup = rndis_tx_fixup,
582241a0 3605 .reset = rndis_wlan_reset,
222ec50a 3606 .stop = rndis_wlan_stop,
59620e9f 3607 .early_init = bcm4320b_early_init,
2a4901bc 3608 .indication = rndis_wlan_indication,
bf164cc0
JK		 3609};
3610
3611static const struct driver_info bcm4320a_info = {
3612 .description = "Wireless RNDIS device, BCM4320a based",
1487cd5e
JK		 3613 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3614 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3615 .bind = rndis_wlan_bind,
3616 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3617 .status = rndis_status,
3618 .rx_fixup = rndis_rx_fixup,
3619 .tx_fixup = rndis_tx_fixup,
582241a0 3620 .reset = rndis_wlan_reset,
222ec50a 3621 .stop = rndis_wlan_stop,
59620e9f 3622 .early_init = bcm4320a_early_init,
2a4901bc 3623 .indication = rndis_wlan_indication,
bf164cc0
JK		 3624};
3625
582241a0 3626static const struct driver_info rndis_wlan_info = {
bf164cc0 3627 .description = "Wireless RNDIS device",
1487cd5e
JK		 3628 .flags = FLAG_WLAN | FLAG_FRAMING_RN | FLAG_NO_SETINT |
3629 FLAG_AVOID_UNLINK_URBS,
582241a0
JK		 3630 .bind = rndis_wlan_bind,
3631 .unbind = rndis_wlan_unbind,
bf164cc0
JK		 3632 .status = rndis_status,
3633 .rx_fixup = rndis_rx_fixup,
3634 .tx_fixup = rndis_tx_fixup,
582241a0 3635 .reset = rndis_wlan_reset,
222ec50a 3636 .stop = rndis_wlan_stop,
5cb56af2 3637 .early_init = unknown_early_init,
2a4901bc 3638 .indication = rndis_wlan_indication,
bf164cc0
JK		 3639};
3640
3641/*-------------------------------------------------------------------------*/
3642
3643static const struct usb_device_id products [] = {
3644#define RNDIS_MASTER_INTERFACE \
3645 .bInterfaceClass = USB_CLASS_COMM, \
3646 .bInterfaceSubClass = 2 /* ACM */, \
3647 .bInterfaceProtocol = 0x0ff
3648
3649/* INF driver for these devices have DriverVer >= 4.xx.xx.xx and many custom
3650 * parameters available. Chipset marked as 'BCM4320SKFBG' in NDISwrapper-wiki.
3651 */
3652{
3653 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3654 | USB_DEVICE_ID_MATCH_DEVICE,
3655 .idVendor = 0x0411,
3656 .idProduct = 0x00bc, /* Buffalo WLI-U2-KG125S */
3657 RNDIS_MASTER_INTERFACE,
3658 .driver_info = (unsigned long) &bcm4320b_info,
3659}, {
3660 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3661 | USB_DEVICE_ID_MATCH_DEVICE,
3662 .idVendor = 0x0baf,
3663 .idProduct = 0x011b, /* U.S. Robotics USR5421 */
3664 RNDIS_MASTER_INTERFACE,
3665 .driver_info = (unsigned long) &bcm4320b_info,
3666}, {
3667 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3668 | USB_DEVICE_ID_MATCH_DEVICE,
3669 .idVendor = 0x050d,
3670 .idProduct = 0x011b, /* Belkin F5D7051 */
3671 RNDIS_MASTER_INTERFACE,
3672 .driver_info = (unsigned long) &bcm4320b_info,
3673}, {
3674 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3675 | USB_DEVICE_ID_MATCH_DEVICE,
3676 .idVendor = 0x1799, /* Belkin has two vendor ids */
3677 .idProduct = 0x011b, /* Belkin F5D7051 */
3678 RNDIS_MASTER_INTERFACE,
3679 .driver_info = (unsigned long) &bcm4320b_info,
3680}, {
3681 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3682 | USB_DEVICE_ID_MATCH_DEVICE,
3683 .idVendor = 0x13b1,
3684 .idProduct = 0x0014, /* Linksys WUSB54GSv2 */
3685 RNDIS_MASTER_INTERFACE,
3686 .driver_info = (unsigned long) &bcm4320b_info,
3687}, {
3688 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3689 | USB_DEVICE_ID_MATCH_DEVICE,
3690 .idVendor = 0x13b1,
3691 .idProduct = 0x0026, /* Linksys WUSB54GSC */
3692 RNDIS_MASTER_INTERFACE,
3693 .driver_info = (unsigned long) &bcm4320b_info,
3694}, {
3695 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3696 | USB_DEVICE_ID_MATCH_DEVICE,
3697 .idVendor = 0x0b05,
3698 .idProduct = 0x1717, /* Asus WL169gE */
3699 RNDIS_MASTER_INTERFACE,
3700 .driver_info = (unsigned long) &bcm4320b_info,
3701}, {
3702 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3703 | USB_DEVICE_ID_MATCH_DEVICE,
3704 .idVendor = 0x0a5c,
3705 .idProduct = 0xd11b, /* Eminent EM4045 */
3706 RNDIS_MASTER_INTERFACE,
3707 .driver_info = (unsigned long) &bcm4320b_info,
3708}, {
3709 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3710 | USB_DEVICE_ID_MATCH_DEVICE,
3711 .idVendor = 0x1690,
3712 .idProduct = 0x0715, /* BT Voyager 1055 */
3713 RNDIS_MASTER_INTERFACE,
3714 .driver_info = (unsigned long) &bcm4320b_info,
3715},
3716/* These devices have DriverVer < 4.xx.xx.xx and do not have any custom
3717 * parameters available, hardware probably contain older firmware version with
3718 * no way of updating. Chipset marked as 'BCM4320????' in NDISwrapper-wiki.
3719 */
3720{
3721 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3722 | USB_DEVICE_ID_MATCH_DEVICE,
3723 .idVendor = 0x13b1,
3724 .idProduct = 0x000e, /* Linksys WUSB54GSv1 */
3725 RNDIS_MASTER_INTERFACE,
3726 .driver_info = (unsigned long) &bcm4320a_info,
3727}, {
3728 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3729 | USB_DEVICE_ID_MATCH_DEVICE,
3730 .idVendor = 0x0baf,
3731 .idProduct = 0x0111, /* U.S. Robotics USR5420 */
3732 RNDIS_MASTER_INTERFACE,
3733 .driver_info = (unsigned long) &bcm4320a_info,
3734}, {
3735 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
3736 | USB_DEVICE_ID_MATCH_DEVICE,
3737 .idVendor = 0x0411,
3738 .idProduct = 0x004b, /* BUFFALO WLI-USB-G54 */
3739 RNDIS_MASTER_INTERFACE,
3740 .driver_info = (unsigned long) &bcm4320a_info,
3741},
3742/* Generic Wireless RNDIS devices that we don't have exact
3743 * idVendor/idProduct/chip yet.
3744 */
3745{
3746 /* RNDIS is MSFT's un-official variant of CDC ACM */
3747 USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
582241a0 3748 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3749}, {
3750 /* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
3751 USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
582241a0 3752 .driver_info = (unsigned long) &rndis_wlan_info,
bf164cc0
JK		 3753},
3754 { }, // END
3755};
3756MODULE_DEVICE_TABLE(usb, products);
3757
3758static struct usb_driver rndis_wlan_driver = {
3759 .name = "rndis_wlan",
3760 .id_table = products,
3761 .probe = usbnet_probe,
3762 .disconnect = usbnet_disconnect,
3763 .suspend = usbnet_suspend,
3764 .resume = usbnet_resume,
e1f12eb6 3765 .disable_hub_initiated_lpm = 1,
bf164cc0
JK		 3766};
3767
d632eb1b 3768module_usb_driver(rndis_wlan_driver);
bf164cc0
JK		 3769
3770MODULE_AUTHOR("Bjorge Dijkstra");
3771MODULE_AUTHOR("Jussi Kivilinna");
3772MODULE_DESCRIPTION("Driver for RNDIS based USB Wireless adapters");
3773MODULE_LICENSE("GPL");
3774
Linux kernel - Deliverables
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