blob: 5b2972b43b0e23ee62e94d255146d6be1787634d [file] [log] [blame]
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001/*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20#include "cfg80211.h"
21#include "main.h"
22
23/*
24 * This function maps the nl802.11 channel type into driver channel type.
25 *
26 * The mapping is as follows -
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080027 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
28 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
29 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
30 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
31 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
Bing Zhao5e6e3a92011-03-21 18:00:50 -070032 */
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080033static u8
34mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type
35 channel_type)
Bing Zhao5e6e3a92011-03-21 18:00:50 -070036{
Bing Zhao5e6e3a92011-03-21 18:00:50 -070037 switch (channel_type) {
38 case NL80211_CHAN_NO_HT:
39 case NL80211_CHAN_HT20:
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080040 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070041 case NL80211_CHAN_HT40PLUS:
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080042 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070043 case NL80211_CHAN_HT40MINUS:
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080044 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070045 default:
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -080046 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070047 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -070048}
49
50/*
Bing Zhao5e6e3a92011-03-21 18:00:50 -070051 * This function checks whether WEP is set.
52 */
53static int
54mwifiex_is_alg_wep(u32 cipher)
55{
Bing Zhao5e6e3a92011-03-21 18:00:50 -070056 switch (cipher) {
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -070057 case WLAN_CIPHER_SUITE_WEP40:
58 case WLAN_CIPHER_SUITE_WEP104:
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -070059 return 1;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070060 default:
Bing Zhao5e6e3a92011-03-21 18:00:50 -070061 break;
62 }
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -070063
64 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -070065}
66
67/*
Bing Zhao5e6e3a92011-03-21 18:00:50 -070068 * This function retrieves the private structure from kernel wiphy structure.
69 */
70static void *mwifiex_cfg80211_get_priv(struct wiphy *wiphy)
71{
72 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
73}
74
75/*
76 * CFG802.11 operation handler to delete a network key.
77 */
78static int
79mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
80 u8 key_index, bool pairwise, const u8 *mac_addr)
81{
82 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Bing Zhao5e6e3a92011-03-21 18:00:50 -070083
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -070084 if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -070085 wiphy_err(wiphy, "deleting the crypto keys\n");
86 return -EFAULT;
87 }
88
89 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
90 return 0;
91}
92
93/*
94 * CFG802.11 operation handler to set Tx power.
95 */
96static int
97mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
98 enum nl80211_tx_power_setting type,
Luis R. Rodriguez742c29f2011-11-28 16:38:50 -050099 int mbm)
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700100{
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700101 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700102 struct mwifiex_power_cfg power_cfg;
Luis R. Rodriguez742c29f2011-11-28 16:38:50 -0500103 int dbm = MBM_TO_DBM(mbm);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700104
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700105 if (type == NL80211_TX_POWER_FIXED) {
106 power_cfg.is_power_auto = 0;
107 power_cfg.power_level = dbm;
108 } else {
109 power_cfg.is_power_auto = 1;
110 }
111
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700112 return mwifiex_set_tx_power(priv, &power_cfg);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700113}
114
115/*
116 * CFG802.11 operation handler to set Power Save option.
117 *
118 * The timeout value, if provided, is currently ignored.
119 */
120static int
121mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
122 struct net_device *dev,
123 bool enabled, int timeout)
124{
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700125 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700126 u32 ps_mode;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700127
128 if (timeout)
129 wiphy_dbg(wiphy,
130 "info: ignoring the timeout value"
131 " for IEEE power save\n");
132
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700133 ps_mode = enabled;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700134
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700135 return mwifiex_drv_set_power(priv, &ps_mode);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700136}
137
138/*
139 * CFG802.11 operation handler to set the default network key.
140 */
141static int
142mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
143 u8 key_index, bool unicast,
144 bool multicast)
145{
146 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700147
Amitkumar Karwar2d3d0a82011-04-01 18:36:46 -0700148 /* Return if WEP key not configured */
149 if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED)
150 return 0;
151
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700152 if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) {
153 wiphy_err(wiphy, "set default Tx key index\n");
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700154 return -EFAULT;
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700155 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700156
157 return 0;
158}
159
160/*
161 * CFG802.11 operation handler to add a network key.
162 */
163static int
164mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
165 u8 key_index, bool pairwise, const u8 *mac_addr,
166 struct key_params *params)
167{
168 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700169
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700170 if (mwifiex_set_encode(priv, params->key, params->key_len,
171 key_index, 0)) {
172 wiphy_err(wiphy, "crypto keys added\n");
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700173 return -EFAULT;
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700174 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700175
176 return 0;
177}
178
179/*
180 * This function sends domain information to the firmware.
181 *
182 * The following information are passed to the firmware -
183 * - Country codes
184 * - Sub bands (first channel, number of channels, maximum Tx power)
185 */
186static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
187{
188 u8 no_of_triplet = 0;
189 struct ieee80211_country_ie_triplet *t;
190 u8 no_of_parsed_chan = 0;
191 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
192 u8 i, flag = 0;
193 enum ieee80211_band band;
194 struct ieee80211_supported_band *sband;
195 struct ieee80211_channel *ch;
196 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
197 struct mwifiex_adapter *adapter = priv->adapter;
198 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700199
200 /* Set country code */
201 domain_info->country_code[0] = priv->country_code[0];
202 domain_info->country_code[1] = priv->country_code[1];
203 domain_info->country_code[2] = ' ';
204
205 band = mwifiex_band_to_radio_type(adapter->config_bands);
206 if (!wiphy->bands[band]) {
207 wiphy_err(wiphy, "11D: setting domain info in FW\n");
208 return -1;
209 }
210
211 sband = wiphy->bands[band];
212
213 for (i = 0; i < sband->n_channels ; i++) {
214 ch = &sband->channels[i];
215 if (ch->flags & IEEE80211_CHAN_DISABLED)
216 continue;
217
218 if (!flag) {
219 flag = 1;
220 first_chan = (u32) ch->hw_value;
221 next_chan = first_chan;
222 max_pwr = ch->max_power;
223 no_of_parsed_chan = 1;
224 continue;
225 }
226
227 if (ch->hw_value == next_chan + 1 &&
228 ch->max_power == max_pwr) {
229 next_chan++;
230 no_of_parsed_chan++;
231 } else {
232 t = &domain_info->triplet[no_of_triplet];
233 t->chans.first_channel = first_chan;
234 t->chans.num_channels = no_of_parsed_chan;
235 t->chans.max_power = max_pwr;
236 no_of_triplet++;
237 first_chan = (u32) ch->hw_value;
238 next_chan = first_chan;
239 max_pwr = ch->max_power;
240 no_of_parsed_chan = 1;
241 }
242 }
243
244 if (flag) {
245 t = &domain_info->triplet[no_of_triplet];
246 t->chans.first_channel = first_chan;
247 t->chans.num_channels = no_of_parsed_chan;
248 t->chans.max_power = max_pwr;
249 no_of_triplet++;
250 }
251
252 domain_info->no_of_triplet = no_of_triplet;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700253
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700254 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
255 HostCmd_ACT_GEN_SET, 0, NULL)) {
256 wiphy_err(wiphy, "11D: setting domain info in FW\n");
257 return -1;
258 }
259
260 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700261}
262
263/*
264 * CFG802.11 regulatory domain callback function.
265 *
266 * This function is called when the regulatory domain is changed due to the
267 * following reasons -
268 * - Set by driver
269 * - Set by system core
270 * - Set by user
271 * - Set bt Country IE
272 */
273static int mwifiex_reg_notifier(struct wiphy *wiphy,
274 struct regulatory_request *request)
275{
276 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
277
278 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for domain"
279 " %c%c\n", request->alpha2[0], request->alpha2[1]);
280
281 memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
282
283 switch (request->initiator) {
284 case NL80211_REGDOM_SET_BY_DRIVER:
285 case NL80211_REGDOM_SET_BY_CORE:
286 case NL80211_REGDOM_SET_BY_USER:
287 break;
288 /* Todo: apply driver specific changes in channel flags based
289 on the request initiator if necessary. */
290 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
291 break;
292 }
293 mwifiex_send_domain_info_cmd_fw(wiphy);
294
295 return 0;
296}
297
298/*
299 * This function sets the RF channel.
300 *
301 * This function creates multiple IOCTL requests, populates them accordingly
302 * and issues them to set the band/channel and frequency.
303 */
304static int
305mwifiex_set_rf_channel(struct mwifiex_private *priv,
306 struct ieee80211_channel *chan,
307 enum nl80211_channel_type channel_type)
308{
309 struct mwifiex_chan_freq_power cfp;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700310 u32 config_bands = 0;
311 struct wiphy *wiphy = priv->wdev->wiphy;
Amitkumar Karwar43906cd2011-12-20 23:47:20 -0800312 struct mwifiex_adapter *adapter = priv->adapter;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700313
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700314 if (chan) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700315 /* Set appropriate bands */
Amitkumar Karwar3aebee02011-12-20 23:47:22 -0800316 if (chan->band == IEEE80211_BAND_2GHZ) {
317 if (channel_type == NL80211_CHAN_NO_HT)
318 if (priv->adapter->config_bands == BAND_B ||
319 priv->adapter->config_bands == BAND_G)
320 config_bands =
321 priv->adapter->config_bands;
322 else
323 config_bands = BAND_B | BAND_G;
324 else
325 config_bands = BAND_B | BAND_G | BAND_GN;
326 } else {
327 if (channel_type == NL80211_CHAN_NO_HT)
328 config_bands = BAND_A;
329 else
330 config_bands = BAND_AN | BAND_A;
331 }
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700332
Amitkumar Karwar43906cd2011-12-20 23:47:20 -0800333 if (!((config_bands | adapter->fw_bands) &
334 ~adapter->fw_bands)) {
335 adapter->config_bands = config_bands;
336 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
337 adapter->adhoc_start_band = config_bands;
338 if ((config_bands & BAND_GN) ||
339 (config_bands & BAND_AN))
340 adapter->adhoc_11n_enabled = true;
341 else
342 adapter->adhoc_11n_enabled = false;
343 }
344 }
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800345 adapter->sec_chan_offset =
346 mwifiex_cfg80211_channel_type_to_sec_chan_offset
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700347 (channel_type);
Amitkumar Karwar3aebee02011-12-20 23:47:22 -0800348 adapter->channel_type = channel_type;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700349
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700350 mwifiex_send_domain_info_cmd_fw(wiphy);
351 }
352
353 wiphy_dbg(wiphy, "info: setting band %d, channel offset %d and "
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800354 "mode %d\n", config_bands, adapter->sec_chan_offset,
Bing Zhaoeecd8252011-03-28 17:55:41 -0700355 priv->bss_mode);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700356 if (!chan)
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700357 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700358
359 memset(&cfp, 0, sizeof(cfp));
360 cfp.freq = chan->center_freq;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700361 cfp.channel = ieee80211_frequency_to_channel(chan->center_freq);
362
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700363 if (mwifiex_bss_set_channel(priv, &cfp))
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700364 return -EFAULT;
365
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700366 return mwifiex_drv_change_adhoc_chan(priv, cfp.channel);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700367}
368
369/*
370 * CFG802.11 operation handler to set channel.
371 *
372 * This function can only be used when station is not connected.
373 */
374static int
375mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
376 struct ieee80211_channel *chan,
377 enum nl80211_channel_type channel_type)
378{
379 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
380
381 if (priv->media_connected) {
382 wiphy_err(wiphy, "This setting is valid only when station "
383 "is not connected\n");
384 return -EINVAL;
385 }
386
387 return mwifiex_set_rf_channel(priv, chan, channel_type);
388}
389
390/*
391 * This function sets the fragmentation threshold.
392 *
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700393 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700394 * and MWIFIEX_FRAG_MAX_VALUE.
395 */
396static int
397mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
398{
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700399 int ret;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700400
401 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE
402 || frag_thr > MWIFIEX_FRAG_MAX_VALUE)
403 return -EINVAL;
404
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700405 /* Send request to firmware */
406 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
407 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
408 &frag_thr);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700409
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700410 return ret;
411}
412
413/*
414 * This function sets the RTS threshold.
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700415
416 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
417 * and MWIFIEX_RTS_MAX_VALUE.
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700418 */
419static int
420mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
421{
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700422 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
423 rts_thr = MWIFIEX_RTS_MAX_VALUE;
424
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700425 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700426 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
427 &rts_thr);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700428}
429
430/*
431 * CFG802.11 operation handler to set wiphy parameters.
432 *
433 * This function can be used to set the RTS threshold and the
434 * Fragmentation threshold of the driver.
435 */
436static int
437mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
438{
439 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700440 int ret = 0;
441
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700442 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700443 ret = mwifiex_set_rts(priv, wiphy->rts_threshold);
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700444 if (ret)
445 return ret;
446 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700447
448 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
449 ret = mwifiex_set_frag(priv, wiphy->frag_threshold);
450
451 return ret;
452}
453
454/*
455 * CFG802.11 operation handler to change interface type.
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700456 */
457static int
458mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
459 struct net_device *dev,
460 enum nl80211_iftype type, u32 *flags,
461 struct vif_params *params)
462{
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700463 int ret;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700464 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
Bing Zhaoeecd8252011-03-28 17:55:41 -0700465
466 if (priv->bss_mode == type) {
467 wiphy_warn(wiphy, "already set to required type\n");
468 return 0;
469 }
470
471 priv->bss_mode = type;
472
473 switch (type) {
474 case NL80211_IFTYPE_ADHOC:
475 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_ADHOC;
476 wiphy_dbg(wiphy, "info: setting interface type to adhoc\n");
477 break;
478 case NL80211_IFTYPE_STATION:
479 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
480 wiphy_dbg(wiphy, "info: setting interface type to managed\n");
481 break;
482 case NL80211_IFTYPE_UNSPECIFIED:
483 dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
484 wiphy_dbg(wiphy, "info: setting interface type to auto\n");
485 return 0;
486 default:
487 wiphy_err(wiphy, "unknown interface type: %d\n", type);
488 return -EINVAL;
489 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700490
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700491 mwifiex_deauthenticate(priv, NULL);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700492
Marc Yangf986b6d2011-03-28 17:55:42 -0700493 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
Bing Zhaoeecd8252011-03-28 17:55:41 -0700494
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700495 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
496 HostCmd_ACT_GEN_SET, 0, NULL);
Bing Zhaoeecd8252011-03-28 17:55:41 -0700497
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700498 return ret;
499}
500
501/*
502 * This function dumps the station information on a buffer.
503 *
504 * The following information are shown -
505 * - Total bytes transmitted
506 * - Total bytes received
507 * - Total packets transmitted
508 * - Total packets received
509 * - Signal quality level
510 * - Transmission rate
511 */
512static int
513mwifiex_dump_station_info(struct mwifiex_private *priv,
514 struct station_info *sinfo)
515{
516 struct mwifiex_ds_get_signal signal;
517 struct mwifiex_rate_cfg rate;
518 int ret = 0;
519
520 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
521 STATION_INFO_RX_PACKETS |
522 STATION_INFO_TX_PACKETS
523 | STATION_INFO_SIGNAL | STATION_INFO_TX_BITRATE;
524
525 /* Get signal information from the firmware */
526 memset(&signal, 0, sizeof(struct mwifiex_ds_get_signal));
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700527 if (mwifiex_get_signal_info(priv, &signal)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700528 dev_err(priv->adapter->dev, "getting signal information\n");
529 ret = -EFAULT;
530 }
531
532 if (mwifiex_drv_get_data_rate(priv, &rate)) {
533 dev_err(priv->adapter->dev, "getting data rate\n");
534 ret = -EFAULT;
535 }
536
Amitkumar Karwar4ec6f9c2011-09-26 20:37:25 -0700537 /*
538 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
539 * MCS index values for us are 0 to 7.
540 */
541 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) {
542 sinfo->txrate.mcs = priv->tx_rate;
543 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
544 /* 40MHz rate */
545 if (priv->tx_htinfo & BIT(1))
546 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
547 /* SGI enabled */
548 if (priv->tx_htinfo & BIT(2))
549 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
550 }
551
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700552 sinfo->rx_bytes = priv->stats.rx_bytes;
553 sinfo->tx_bytes = priv->stats.tx_bytes;
554 sinfo->rx_packets = priv->stats.rx_packets;
555 sinfo->tx_packets = priv->stats.tx_packets;
Bing Zhao67a50032011-07-13 18:38:34 -0700556 sinfo->signal = priv->qual_level;
Amitkumar Karwar4ec6f9c2011-09-26 20:37:25 -0700557 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
558 sinfo->txrate.legacy = rate.rate * 5;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700559
560 return ret;
561}
562
563/*
564 * CFG802.11 operation handler to get station information.
565 *
566 * This function only works in connected mode, and dumps the
567 * requested station information, if available.
568 */
569static int
570mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
571 u8 *mac, struct station_info *sinfo)
572{
573 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700574
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700575 if (!priv->media_connected)
576 return -ENOENT;
577 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
578 return -ENOENT;
579
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700580 return mwifiex_dump_station_info(priv, sinfo);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700581}
582
583/* Supported rates to be advertised to the cfg80211 */
584
585static struct ieee80211_rate mwifiex_rates[] = {
586 {.bitrate = 10, .hw_value = 2, },
587 {.bitrate = 20, .hw_value = 4, },
588 {.bitrate = 55, .hw_value = 11, },
589 {.bitrate = 110, .hw_value = 22, },
590 {.bitrate = 220, .hw_value = 44, },
591 {.bitrate = 60, .hw_value = 12, },
592 {.bitrate = 90, .hw_value = 18, },
593 {.bitrate = 120, .hw_value = 24, },
594 {.bitrate = 180, .hw_value = 36, },
595 {.bitrate = 240, .hw_value = 48, },
596 {.bitrate = 360, .hw_value = 72, },
597 {.bitrate = 480, .hw_value = 96, },
598 {.bitrate = 540, .hw_value = 108, },
599 {.bitrate = 720, .hw_value = 144, },
600};
601
602/* Channel definitions to be advertised to cfg80211 */
603
604static struct ieee80211_channel mwifiex_channels_2ghz[] = {
605 {.center_freq = 2412, .hw_value = 1, },
606 {.center_freq = 2417, .hw_value = 2, },
607 {.center_freq = 2422, .hw_value = 3, },
608 {.center_freq = 2427, .hw_value = 4, },
609 {.center_freq = 2432, .hw_value = 5, },
610 {.center_freq = 2437, .hw_value = 6, },
611 {.center_freq = 2442, .hw_value = 7, },
612 {.center_freq = 2447, .hw_value = 8, },
613 {.center_freq = 2452, .hw_value = 9, },
614 {.center_freq = 2457, .hw_value = 10, },
615 {.center_freq = 2462, .hw_value = 11, },
616 {.center_freq = 2467, .hw_value = 12, },
617 {.center_freq = 2472, .hw_value = 13, },
618 {.center_freq = 2484, .hw_value = 14, },
619};
620
621static struct ieee80211_supported_band mwifiex_band_2ghz = {
622 .channels = mwifiex_channels_2ghz,
623 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
624 .bitrates = mwifiex_rates,
625 .n_bitrates = 14,
626};
627
628static struct ieee80211_channel mwifiex_channels_5ghz[] = {
629 {.center_freq = 5040, .hw_value = 8, },
630 {.center_freq = 5060, .hw_value = 12, },
631 {.center_freq = 5080, .hw_value = 16, },
632 {.center_freq = 5170, .hw_value = 34, },
633 {.center_freq = 5190, .hw_value = 38, },
634 {.center_freq = 5210, .hw_value = 42, },
635 {.center_freq = 5230, .hw_value = 46, },
636 {.center_freq = 5180, .hw_value = 36, },
637 {.center_freq = 5200, .hw_value = 40, },
638 {.center_freq = 5220, .hw_value = 44, },
639 {.center_freq = 5240, .hw_value = 48, },
640 {.center_freq = 5260, .hw_value = 52, },
641 {.center_freq = 5280, .hw_value = 56, },
642 {.center_freq = 5300, .hw_value = 60, },
643 {.center_freq = 5320, .hw_value = 64, },
644 {.center_freq = 5500, .hw_value = 100, },
645 {.center_freq = 5520, .hw_value = 104, },
646 {.center_freq = 5540, .hw_value = 108, },
647 {.center_freq = 5560, .hw_value = 112, },
648 {.center_freq = 5580, .hw_value = 116, },
649 {.center_freq = 5600, .hw_value = 120, },
650 {.center_freq = 5620, .hw_value = 124, },
651 {.center_freq = 5640, .hw_value = 128, },
652 {.center_freq = 5660, .hw_value = 132, },
653 {.center_freq = 5680, .hw_value = 136, },
654 {.center_freq = 5700, .hw_value = 140, },
655 {.center_freq = 5745, .hw_value = 149, },
656 {.center_freq = 5765, .hw_value = 153, },
657 {.center_freq = 5785, .hw_value = 157, },
658 {.center_freq = 5805, .hw_value = 161, },
659 {.center_freq = 5825, .hw_value = 165, },
660};
661
662static struct ieee80211_supported_band mwifiex_band_5ghz = {
663 .channels = mwifiex_channels_5ghz,
664 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
665 .bitrates = mwifiex_rates - 4,
666 .n_bitrates = ARRAY_SIZE(mwifiex_rates) + 4,
667};
668
669
670/* Supported crypto cipher suits to be advertised to cfg80211 */
671
672static const u32 mwifiex_cipher_suites[] = {
673 WLAN_CIPHER_SUITE_WEP40,
674 WLAN_CIPHER_SUITE_WEP104,
675 WLAN_CIPHER_SUITE_TKIP,
676 WLAN_CIPHER_SUITE_CCMP,
677};
678
679/*
Yogesh Ashok Powar5d82c532011-07-11 20:04:44 -0700680 * CFG802.11 operation handler for setting bit rates.
681 *
682 * Function selects legacy bang B/G/BG from corresponding bitrates selection.
683 * Currently only 2.4GHz band is supported.
684 */
685static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
686 struct net_device *dev,
687 const u8 *peer,
688 const struct cfg80211_bitrate_mask *mask)
689{
Yogesh Ashok Powar5d82c532011-07-11 20:04:44 -0700690 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
691 int index = 0, mode = 0, i;
Amitkumar Karwar43906cd2011-12-20 23:47:20 -0800692 struct mwifiex_adapter *adapter = priv->adapter;
Yogesh Ashok Powar5d82c532011-07-11 20:04:44 -0700693
694 /* Currently only 2.4GHz is supported */
695 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
696 /*
697 * Rates below 6 Mbps in the table are CCK rates; 802.11b
698 * and from 6 they are OFDM; 802.11G
699 */
700 if (mwifiex_rates[i].bitrate == 60) {
701 index = 1 << i;
702 break;
703 }
704 }
705
706 if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) {
707 mode = BAND_B;
708 } else {
709 mode = BAND_G;
710 if (mask->control[IEEE80211_BAND_2GHZ].legacy % index)
711 mode |= BAND_B;
712 }
713
Amitkumar Karwar43906cd2011-12-20 23:47:20 -0800714 if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) {
715 adapter->config_bands = mode;
716 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
717 adapter->adhoc_start_band = mode;
718 adapter->adhoc_11n_enabled = false;
719 }
720 }
Amitkumar Karwar21c3ba32011-12-20 23:47:21 -0800721 adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
Amitkumar Karwar3aebee02011-12-20 23:47:22 -0800722 adapter->channel_type = NL80211_CHAN_NO_HT;
Yogesh Ashok Powar5d82c532011-07-11 20:04:44 -0700723
724 wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n",
725 (mode & BAND_B) ? "b" : "",
726 (mode & BAND_G) ? "g" : "");
727
728 return 0;
729}
730
731/*
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700732 * CFG802.11 operation handler for disconnection request.
733 *
734 * This function does not work when there is already a disconnection
735 * procedure going on.
736 */
737static int
738mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
739 u16 reason_code)
740{
741 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
742
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700743 if (mwifiex_deauthenticate(priv, NULL))
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700744 return -EFAULT;
745
746 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
747 " reason code %d\n", priv->cfg_bssid, reason_code);
748
Amitkumar Karwar38c9d662011-12-13 20:43:17 -0800749 memset(priv->cfg_bssid, 0, ETH_ALEN);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700750
751 return 0;
752}
753
754/*
755 * This function informs the CFG802.11 subsystem of a new IBSS.
756 *
757 * The following information are sent to the CFG802.11 subsystem
758 * to register the new IBSS. If we do not register the new IBSS,
759 * a kernel panic will result.
760 * - SSID
761 * - SSID length
762 * - BSSID
763 * - Channel
764 */
765static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
766{
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700767 struct ieee80211_channel *chan;
768 struct mwifiex_bss_info bss_info;
Amitkumar Karwaraa95a482011-11-07 21:41:12 -0800769 struct cfg80211_bss *bss;
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700770 int ie_len;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700771 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
Amitkumar Karwar4ed5d522011-09-21 21:43:24 -0700772 enum ieee80211_band band;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700773
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700774 if (mwifiex_get_bss_info(priv, &bss_info))
775 return -1;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700776
777 ie_buf[0] = WLAN_EID_SSID;
778 ie_buf[1] = bss_info.ssid.ssid_len;
779
780 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
781 &bss_info.ssid.ssid,
782 bss_info.ssid.ssid_len);
783 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
784
Amitkumar Karwar4ed5d522011-09-21 21:43:24 -0700785 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700786 chan = __ieee80211_get_channel(priv->wdev->wiphy,
787 ieee80211_channel_to_frequency(bss_info.bss_chan,
Amitkumar Karwar4ed5d522011-09-21 21:43:24 -0700788 band));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700789
Amitkumar Karwaraa95a482011-11-07 21:41:12 -0800790 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700791 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
792 0, ie_buf, ie_len, 0, GFP_KERNEL);
Amitkumar Karwaraa95a482011-11-07 21:41:12 -0800793 cfg80211_put_bss(bss);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700794 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
795
Yogesh Ashok Powar636c4592011-04-15 20:50:40 -0700796 return 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700797}
798
799/*
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700800 * This function connects with a BSS.
801 *
802 * This function handles both Infra and Ad-Hoc modes. It also performs
803 * validity checking on the provided parameters, disconnects from the
804 * current BSS (if any), sets up the association/scan parameters,
805 * including security settings, and performs specific SSID scan before
806 * trying to connect.
807 *
808 * For Infra mode, the function returns failure if the specified SSID
809 * is not found in scan table. However, for Ad-Hoc mode, it can create
810 * the IBSS if it does not exist. On successful completion in either case,
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700811 * the function notifies the CFG802.11 subsystem of the new BSS connection.
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700812 */
813static int
814mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
815 u8 *bssid, int mode, struct ieee80211_channel *channel,
816 struct cfg80211_connect_params *sme, bool privacy)
817{
818 struct mwifiex_802_11_ssid req_ssid;
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -0700819 int ret, auth_type = 0;
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700820 struct cfg80211_bss *bss = NULL;
821 u8 is_scanning_required = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700822
823 memset(&req_ssid, 0, sizeof(struct mwifiex_802_11_ssid));
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700824
825 req_ssid.ssid_len = ssid_len;
826 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
827 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
828 return -EINVAL;
829 }
830
831 memcpy(req_ssid.ssid, ssid, ssid_len);
832 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
833 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
834 return -EINVAL;
835 }
836
837 /* disconnect before try to associate */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700838 mwifiex_deauthenticate(priv, NULL);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700839
840 if (channel)
841 ret = mwifiex_set_rf_channel(priv, channel,
Amitkumar Karwar3aebee02011-12-20 23:47:22 -0800842 priv->adapter->channel_type);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700843
Amitkumar Karwar6670f152012-02-09 18:32:22 -0800844 /* As this is new association, clear locally stored
845 * keys and security related flags */
846 priv->sec_info.wpa_enabled = false;
847 priv->sec_info.wpa2_enabled = false;
848 priv->wep_key_curr_index = 0;
849 ret = mwifiex_set_encode(priv, NULL, 0, 0, 1);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700850
Bing Zhaoeecd8252011-03-28 17:55:41 -0700851 if (mode == NL80211_IFTYPE_ADHOC) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700852 /* "privacy" is set only for ad-hoc mode */
853 if (privacy) {
854 /*
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -0700855 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700856 * the firmware can find a matching network from the
857 * scan. The cfg80211 does not give us the encryption
858 * mode at this stage so just setting it to WEP here.
859 */
Marc Yang203afec2011-03-24 20:49:39 -0700860 priv->sec_info.encryption_mode =
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -0700861 WLAN_CIPHER_SUITE_WEP104;
Marc Yang203afec2011-03-24 20:49:39 -0700862 priv->sec_info.authentication_mode =
Marc Yangf986b6d2011-03-28 17:55:42 -0700863 NL80211_AUTHTYPE_OPEN_SYSTEM;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700864 }
865
866 goto done;
867 }
868
869 /* Now handle infra mode. "sme" is valid for infra mode only */
870 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC
871 || sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
Marc Yangf986b6d2011-03-28 17:55:42 -0700872 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700873 else if (sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY)
Marc Yangf986b6d2011-03-28 17:55:42 -0700874 auth_type = NL80211_AUTHTYPE_SHARED_KEY;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700875
876 if (sme->crypto.n_ciphers_pairwise) {
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -0700877 priv->sec_info.encryption_mode =
878 sme->crypto.ciphers_pairwise[0];
Marc Yang203afec2011-03-24 20:49:39 -0700879 priv->sec_info.authentication_mode = auth_type;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700880 }
881
882 if (sme->crypto.cipher_group) {
Yogesh Ashok Powar2be50b82011-04-01 18:36:47 -0700883 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
Marc Yang203afec2011-03-24 20:49:39 -0700884 priv->sec_info.authentication_mode = auth_type;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700885 }
886 if (sme->ie)
887 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
888
889 if (sme->key) {
Amitkumar Karware6faada2011-07-07 17:33:19 -0700890 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700891 dev_dbg(priv->adapter->dev,
892 "info: setting wep encryption"
893 " with key len %d\n", sme->key_len);
Amitkumar Karwar6670f152012-02-09 18:32:22 -0800894 priv->wep_key_curr_index = sme->key_idx;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700895 ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
896 sme->key_idx, 0);
897 }
898 }
899done:
900 /* Do specific SSID scanning */
Amitkumar Karwar600f5d92011-04-13 17:27:06 -0700901 if (mwifiex_request_scan(priv, &req_ssid)) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700902 dev_err(priv->adapter->dev, "scan error\n");
903 return -EFAULT;
904 }
905
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700906 /*
907 * Scan entries are valid for some time (15 sec). So we can save one
908 * active scan time if we just try cfg80211_get_bss first. If it fails
909 * then request scan and cfg80211_get_bss() again for final output.
910 */
911 while (1) {
912 if (is_scanning_required) {
913 /* Do specific SSID scanning */
914 if (mwifiex_request_scan(priv, &req_ssid)) {
915 dev_err(priv->adapter->dev, "scan error\n");
916 return -EFAULT;
917 }
918 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700919
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700920 /* Find the BSS we want using available scan results */
921 if (mode == NL80211_IFTYPE_ADHOC)
922 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
923 bssid, ssid, ssid_len,
924 WLAN_CAPABILITY_IBSS,
925 WLAN_CAPABILITY_IBSS);
926 else
927 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
928 bssid, ssid, ssid_len,
929 WLAN_CAPABILITY_ESS,
930 WLAN_CAPABILITY_ESS);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700931
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700932 if (!bss) {
933 if (is_scanning_required) {
934 dev_warn(priv->adapter->dev, "assoc: requested "
935 "bss not found in scan results\n");
936 break;
937 }
938 is_scanning_required = 1;
939 } else {
940 dev_dbg(priv->adapter->dev, "info: trying to associate to %s and bssid %pM\n",
941 (char *) req_ssid.ssid, bss->bssid);
942 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
943 break;
944 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700945 }
946
Amitkumar Karwar7c6fa2a2011-08-10 18:53:57 -0700947 if (mwifiex_bss_start(priv, bss, &req_ssid))
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700948 return -EFAULT;
949
Bing Zhaoeecd8252011-03-28 17:55:41 -0700950 if (mode == NL80211_IFTYPE_ADHOC) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700951 /* Inform the BSS information to kernel, otherwise
952 * kernel will give a panic after successful assoc */
953 if (mwifiex_cfg80211_inform_ibss_bss(priv))
954 return -EFAULT;
955 }
956
957 return ret;
958}
959
960/*
961 * CFG802.11 operation handler for association request.
962 *
963 * This function does not work when the current mode is set to Ad-Hoc, or
964 * when there is already an association procedure going on. The given BSS
965 * information is used to associate.
966 */
967static int
968mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
969 struct cfg80211_connect_params *sme)
970{
971 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
972 int ret = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700973
Bing Zhaoeecd8252011-03-28 17:55:41 -0700974 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700975 wiphy_err(wiphy, "received infra assoc request "
976 "when station is in ibss mode\n");
977 goto done;
978 }
979
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700980 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
981 (char *) sme->ssid, sme->bssid);
982
983 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
Bing Zhaoeecd8252011-03-28 17:55:41 -0700984 priv->bss_mode, sme->channel, sme, 0);
Bing Zhao5e6e3a92011-03-21 18:00:50 -0700985done:
Amitkumar Karwar38c9d662011-12-13 20:43:17 -0800986 if (!ret) {
987 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
988 NULL, 0, WLAN_STATUS_SUCCESS,
989 GFP_KERNEL);
990 dev_dbg(priv->adapter->dev,
991 "info: associated to bssid %pM successfully\n",
992 priv->cfg_bssid);
993 } else {
994 dev_dbg(priv->adapter->dev,
995 "info: association to bssid %pM failed\n",
996 priv->cfg_bssid);
997 memset(priv->cfg_bssid, 0, ETH_ALEN);
998 }
999
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001000 return ret;
1001}
1002
1003/*
1004 * CFG802.11 operation handler to join an IBSS.
1005 *
1006 * This function does not work in any mode other than Ad-Hoc, or if
1007 * a join operation is already in progress.
1008 */
1009static int
1010mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1011 struct cfg80211_ibss_params *params)
1012{
1013 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
1014 int ret = 0;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001015
Bing Zhaoeecd8252011-03-28 17:55:41 -07001016 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001017 wiphy_err(wiphy, "request to join ibss received "
1018 "when station is not in ibss mode\n");
1019 goto done;
1020 }
1021
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001022 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1023 (char *) params->ssid, params->bssid);
1024
1025 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
Bing Zhaoeecd8252011-03-28 17:55:41 -07001026 params->bssid, priv->bss_mode,
1027 params->channel, NULL, params->privacy);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001028done:
Amitkumar Karwar38c9d662011-12-13 20:43:17 -08001029 if (!ret) {
1030 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1031 dev_dbg(priv->adapter->dev,
1032 "info: joined/created adhoc network with bssid"
1033 " %pM successfully\n", priv->cfg_bssid);
1034 } else {
1035 dev_dbg(priv->adapter->dev,
1036 "info: failed creating/joining adhoc network\n");
1037 }
1038
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001039 return ret;
1040}
1041
1042/*
1043 * CFG802.11 operation handler to leave an IBSS.
1044 *
1045 * This function does not work if a leave operation is
1046 * already in progress.
1047 */
1048static int
1049mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1050{
1051 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
1052
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001053 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1054 priv->cfg_bssid);
Amitkumar Karwar600f5d92011-04-13 17:27:06 -07001055 if (mwifiex_deauthenticate(priv, NULL))
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001056 return -EFAULT;
1057
Amitkumar Karwar38c9d662011-12-13 20:43:17 -08001058 memset(priv->cfg_bssid, 0, ETH_ALEN);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001059
1060 return 0;
1061}
1062
1063/*
1064 * CFG802.11 operation handler for scan request.
1065 *
1066 * This function issues a scan request to the firmware based upon
1067 * the user specified scan configuration. On successfull completion,
1068 * it also informs the results.
1069 */
1070static int
1071mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
1072 struct cfg80211_scan_request *request)
1073{
1074 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
Amitkumar Karwar38c9d662011-12-13 20:43:17 -08001075 int i;
1076 struct ieee80211_channel *chan;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001077
1078 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1079
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001080 priv->scan_request = request;
1081
Amitkumar Karwar38c9d662011-12-13 20:43:17 -08001082 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1083 GFP_KERNEL);
1084 if (!priv->user_scan_cfg) {
1085 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1086 return -ENOMEM;
1087 }
1088 for (i = 0; i < request->n_ssids; i++) {
1089 memcpy(priv->user_scan_cfg->ssid_list[i].ssid,
1090 request->ssids[i].ssid, request->ssids[i].ssid_len);
1091 priv->user_scan_cfg->ssid_list[i].max_len =
1092 request->ssids[i].ssid_len;
1093 }
1094 for (i = 0; i < request->n_channels; i++) {
1095 chan = request->channels[i];
1096 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1097 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1098
1099 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1100 priv->user_scan_cfg->chan_list[i].scan_type =
1101 MWIFIEX_SCAN_TYPE_PASSIVE;
1102 else
1103 priv->user_scan_cfg->chan_list[i].scan_type =
1104 MWIFIEX_SCAN_TYPE_ACTIVE;
1105
1106 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1107 }
1108 if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
1109 return -EFAULT;
1110
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001111 return 0;
1112}
1113
1114/*
1115 * This function sets up the CFG802.11 specific HT capability fields
1116 * with default values.
1117 *
1118 * The following default values are set -
1119 * - HT Supported = True
Amitkumar Karwara46b7b52011-04-27 19:13:12 -07001120 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1121 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1122 * - HT Capabilities supported by firmware
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001123 * - MCS information, Rx mask = 0xff
1124 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1125 */
1126static void
1127mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1128 struct mwifiex_private *priv)
1129{
1130 int rx_mcs_supp;
1131 struct ieee80211_mcs_info mcs_set;
1132 u8 *mcs = (u8 *)&mcs_set;
1133 struct mwifiex_adapter *adapter = priv->adapter;
1134
1135 ht_info->ht_supported = true;
Amitkumar Karwara46b7b52011-04-27 19:13:12 -07001136 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1137 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001138
1139 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001140
Amitkumar Karwara46b7b52011-04-27 19:13:12 -07001141 /* Fill HT capability information */
1142 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1143 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1144 else
1145 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1146
1147 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1148 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1149 else
1150 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1151
1152 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1153 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1154 else
1155 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1156
1157 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1158 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1159 else
1160 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1161
1162 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1163 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1164 else
1165 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1166
1167 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1168 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1169
1170 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001171 /* Set MCS for 1x1 */
1172 memset(mcs, 0xff, rx_mcs_supp);
1173 /* Clear all the other values */
1174 memset(&mcs[rx_mcs_supp], 0,
1175 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
Bing Zhaoeecd8252011-03-28 17:55:41 -07001176 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
Marc Yang6d2bd912011-03-25 19:47:02 -07001177 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001178 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1179 SETHT_MCS32(mcs_set.rx_mask);
1180
1181 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1182
1183 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1184}
1185
Yogesh Ashok Powar93a1df42011-09-26 20:37:26 -07001186/*
1187 * create a new virtual interface with the given name
1188 */
1189struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1190 char *name,
1191 enum nl80211_iftype type,
1192 u32 *flags,
1193 struct vif_params *params)
1194{
1195 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
1196 struct mwifiex_adapter *adapter;
1197 struct net_device *dev;
1198 void *mdev_priv;
1199
1200 if (!priv)
1201 return NULL;
1202
1203 adapter = priv->adapter;
1204 if (!adapter)
1205 return NULL;
1206
1207 switch (type) {
1208 case NL80211_IFTYPE_UNSPECIFIED:
1209 case NL80211_IFTYPE_STATION:
1210 case NL80211_IFTYPE_ADHOC:
1211 if (priv->bss_mode) {
1212 wiphy_err(wiphy, "cannot create multiple"
1213 " station/adhoc interfaces\n");
1214 return NULL;
1215 }
1216
1217 if (type == NL80211_IFTYPE_UNSPECIFIED)
1218 priv->bss_mode = NL80211_IFTYPE_STATION;
1219 else
1220 priv->bss_mode = type;
1221
1222 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
1223 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1224 priv->bss_priority = 0;
1225 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
1226 priv->bss_index = 0;
1227 priv->bss_num = 0;
1228
1229 break;
1230 default:
1231 wiphy_err(wiphy, "type not supported\n");
1232 return NULL;
1233 }
1234
1235 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
1236 ether_setup, 1);
1237 if (!dev) {
1238 wiphy_err(wiphy, "no memory available for netdevice\n");
1239 goto error;
1240 }
1241
1242 dev_net_set(dev, wiphy_net(wiphy));
1243 dev->ieee80211_ptr = priv->wdev;
1244 dev->ieee80211_ptr->iftype = priv->bss_mode;
1245 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
1246 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
1247 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
1248
1249 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1250 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
1251 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
1252
1253 mdev_priv = netdev_priv(dev);
1254 *((unsigned long *) mdev_priv) = (unsigned long) priv;
1255
1256 priv->netdev = dev;
1257 mwifiex_init_priv_params(priv, dev);
1258
1259 SET_NETDEV_DEV(dev, adapter->dev);
1260
1261 /* Register network device */
1262 if (register_netdevice(dev)) {
1263 wiphy_err(wiphy, "cannot register virtual network device\n");
1264 goto error;
1265 }
1266
1267 sema_init(&priv->async_sem, 1);
1268 priv->scan_pending_on_block = false;
1269
1270 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
1271
1272#ifdef CONFIG_DEBUG_FS
1273 mwifiex_dev_debugfs_init(priv);
1274#endif
1275 return dev;
1276error:
1277 if (dev && (dev->reg_state == NETREG_UNREGISTERED))
1278 free_netdev(dev);
1279 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1280
1281 return NULL;
1282}
1283EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
1284
1285/*
1286 * del_virtual_intf: remove the virtual interface determined by dev
1287 */
1288int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
1289{
1290 struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
1291
1292 if (!priv || !dev)
1293 return 0;
1294
1295#ifdef CONFIG_DEBUG_FS
1296 mwifiex_dev_debugfs_remove(priv);
1297#endif
1298
1299 if (!netif_queue_stopped(priv->netdev))
1300 netif_stop_queue(priv->netdev);
1301
1302 if (netif_carrier_ok(priv->netdev))
1303 netif_carrier_off(priv->netdev);
1304
1305 if (dev->reg_state == NETREG_REGISTERED)
1306 unregister_netdevice(dev);
1307
1308 if (dev->reg_state == NETREG_UNREGISTERED)
1309 free_netdev(dev);
1310
1311 /* Clear the priv in adapter */
1312 priv->netdev = NULL;
1313
1314 priv->media_connected = false;
1315
Yogesh Ashok Powar93a1df42011-09-26 20:37:26 -07001316 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1317
1318 return 0;
1319}
1320EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
1321
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001322/* station cfg80211 operations */
1323static struct cfg80211_ops mwifiex_cfg80211_ops = {
Yogesh Ashok Powar93a1df42011-09-26 20:37:26 -07001324 .add_virtual_intf = mwifiex_add_virtual_intf,
1325 .del_virtual_intf = mwifiex_del_virtual_intf,
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001326 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
1327 .scan = mwifiex_cfg80211_scan,
1328 .connect = mwifiex_cfg80211_connect,
1329 .disconnect = mwifiex_cfg80211_disconnect,
1330 .get_station = mwifiex_cfg80211_get_station,
1331 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
1332 .set_channel = mwifiex_cfg80211_set_channel,
1333 .join_ibss = mwifiex_cfg80211_join_ibss,
1334 .leave_ibss = mwifiex_cfg80211_leave_ibss,
1335 .add_key = mwifiex_cfg80211_add_key,
1336 .del_key = mwifiex_cfg80211_del_key,
1337 .set_default_key = mwifiex_cfg80211_set_default_key,
1338 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
1339 .set_tx_power = mwifiex_cfg80211_set_tx_power,
Yogesh Ashok Powar5d82c532011-07-11 20:04:44 -07001340 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001341};
1342
1343/*
1344 * This function registers the device with CFG802.11 subsystem.
1345 *
1346 * The function creates the wireless device/wiphy, populates it with
1347 * default parameters and handler function pointers, and finally
1348 * registers the device.
1349 */
Yogesh Ashok Powar93a1df42011-09-26 20:37:26 -07001350int mwifiex_register_cfg80211(struct mwifiex_private *priv)
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001351{
Yogesh Ashok Powar270e58e2011-05-03 20:11:46 -07001352 int ret;
1353 void *wdev_priv;
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001354 struct wireless_dev *wdev;
1355
1356 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1357 if (!wdev) {
1358 dev_err(priv->adapter->dev, "%s: allocating wireless device\n",
1359 __func__);
1360 return -ENOMEM;
1361 }
1362 wdev->wiphy =
1363 wiphy_new(&mwifiex_cfg80211_ops,
1364 sizeof(struct mwifiex_private *));
Christoph Fritzb53575e2011-05-08 22:50:09 +02001365 if (!wdev->wiphy) {
1366 kfree(wdev);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001367 return -ENOMEM;
Christoph Fritzb53575e2011-05-08 22:50:09 +02001368 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001369 wdev->iftype = NL80211_IFTYPE_STATION;
1370 wdev->wiphy->max_scan_ssids = 10;
1371 wdev->wiphy->interface_modes =
1372 BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
Amitkumar Karwaradc89592011-04-27 19:13:11 -07001373
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001374 wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
Amitkumar Karwaradc89592011-04-27 19:13:11 -07001375 mwifiex_setup_ht_caps(
1376 &wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
1377
1378 if (priv->adapter->config_bands & BAND_A) {
1379 wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
1380 mwifiex_setup_ht_caps(
1381 &wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
1382 } else {
1383 wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1384 }
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001385
1386 /* Initialize cipher suits */
1387 wdev->wiphy->cipher_suites = mwifiex_cipher_suites;
1388 wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
1389
Yogesh Ashok Powar93a1df42011-09-26 20:37:26 -07001390 memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001391 wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1392
Amitkumar Karwar5116f3c2011-09-21 21:43:23 -07001393 /* Reserve space for bss band information */
1394 wdev->wiphy->bss_priv_size = sizeof(u8);
1395
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001396 wdev->wiphy->reg_notifier = mwifiex_reg_notifier;
1397
1398 /* Set struct mwifiex_private pointer in wiphy_priv */
1399 wdev_priv = wiphy_priv(wdev->wiphy);
1400
1401 *(unsigned long *) wdev_priv = (unsigned long) priv;
1402
Yogesh Ashok Powara7b21162011-06-13 09:49:27 +05301403 set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev);
1404
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001405 ret = wiphy_register(wdev->wiphy);
1406 if (ret < 0) {
1407 dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
1408 __func__);
1409 wiphy_free(wdev->wiphy);
Christoph Fritzb53575e2011-05-08 22:50:09 +02001410 kfree(wdev);
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001411 return ret;
1412 } else {
1413 dev_dbg(priv->adapter->dev,
1414 "info: successfully registered wiphy device\n");
1415 }
1416
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001417 priv->wdev = wdev;
1418
Bing Zhao5e6e3a92011-03-21 18:00:50 -07001419 return ret;
1420}