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5e6e3a92 BZ |
1 | /* |
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 - | |
21c3ba34 AK |
27 | * 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 | |
5e6e3a92 | 32 | */ |
21c3ba34 AK |
33 | static u8 |
34 | mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type | |
35 | channel_type) | |
5e6e3a92 | 36 | { |
5e6e3a92 BZ |
37 | switch (channel_type) { |
38 | case NL80211_CHAN_NO_HT: | |
39 | case NL80211_CHAN_HT20: | |
21c3ba34 | 40 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 41 | case NL80211_CHAN_HT40PLUS: |
21c3ba34 | 42 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
5e6e3a92 | 43 | case NL80211_CHAN_HT40MINUS: |
21c3ba34 | 44 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
5e6e3a92 | 45 | default: |
21c3ba34 | 46 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 47 | } |
5e6e3a92 BZ |
48 | } |
49 | ||
5e6e3a92 BZ |
50 | /* |
51 | * This function checks whether WEP is set. | |
52 | */ | |
53 | static int | |
54 | mwifiex_is_alg_wep(u32 cipher) | |
55 | { | |
5e6e3a92 | 56 | switch (cipher) { |
2be50b8d YAP |
57 | case WLAN_CIPHER_SUITE_WEP40: |
58 | case WLAN_CIPHER_SUITE_WEP104: | |
270e58e8 | 59 | return 1; |
5e6e3a92 | 60 | default: |
5e6e3a92 BZ |
61 | break; |
62 | } | |
270e58e8 YAP |
63 | |
64 | return 0; | |
5e6e3a92 BZ |
65 | } |
66 | ||
5e6e3a92 BZ |
67 | /* |
68 | * This function retrieves the private structure from kernel wiphy structure. | |
69 | */ | |
70 | static 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 | */ | |
78 | static int | |
79 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
80 | u8 key_index, bool pairwise, const u8 *mac_addr) | |
81 | { | |
f540f9f3 | 82 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
5e6e3a92 | 83 | |
636c4598 | 84 | if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) { |
5e6e3a92 BZ |
85 | 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 | */ | |
96 | static int | |
97 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, | |
98 | enum nl80211_tx_power_setting type, | |
742c29fd | 99 | int mbm) |
5e6e3a92 | 100 | { |
5e6e3a92 | 101 | struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); |
600f5d90 | 102 | struct mwifiex_power_cfg power_cfg; |
742c29fd | 103 | int dbm = MBM_TO_DBM(mbm); |
5e6e3a92 | 104 | |
600f5d90 AK |
105 | 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 | ||
636c4598 | 112 | return mwifiex_set_tx_power(priv, &power_cfg); |
5e6e3a92 BZ |
113 | } |
114 | ||
115 | /* | |
116 | * CFG802.11 operation handler to set Power Save option. | |
117 | * | |
118 | * The timeout value, if provided, is currently ignored. | |
119 | */ | |
120 | static int | |
121 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
122 | struct net_device *dev, | |
123 | bool enabled, int timeout) | |
124 | { | |
f540f9f3 | 125 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
600f5d90 | 126 | u32 ps_mode; |
5e6e3a92 BZ |
127 | |
128 | if (timeout) | |
129 | wiphy_dbg(wiphy, | |
130 | "info: ignoring the timeout value" | |
131 | " for IEEE power save\n"); | |
132 | ||
600f5d90 | 133 | ps_mode = enabled; |
5e6e3a92 | 134 | |
636c4598 | 135 | return mwifiex_drv_set_power(priv, &ps_mode); |
5e6e3a92 BZ |
136 | } |
137 | ||
138 | /* | |
139 | * CFG802.11 operation handler to set the default network key. | |
140 | */ | |
141 | static int | |
142 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
143 | u8 key_index, bool unicast, | |
144 | bool multicast) | |
145 | { | |
f540f9f3 | 146 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
5e6e3a92 | 147 | |
2d3d0a88 AK |
148 | /* Return if WEP key not configured */ |
149 | if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED) | |
150 | return 0; | |
151 | ||
636c4598 YAP |
152 | if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) { |
153 | wiphy_err(wiphy, "set default Tx key index\n"); | |
5e6e3a92 | 154 | return -EFAULT; |
636c4598 | 155 | } |
5e6e3a92 BZ |
156 | |
157 | return 0; | |
158 | } | |
159 | ||
160 | /* | |
161 | * CFG802.11 operation handler to add a network key. | |
162 | */ | |
163 | static int | |
164 | mwifiex_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 | { | |
f540f9f3 | 168 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
5e6e3a92 | 169 | |
636c4598 YAP |
170 | if (mwifiex_set_encode(priv, params->key, params->key_len, |
171 | key_index, 0)) { | |
172 | wiphy_err(wiphy, "crypto keys added\n"); | |
5e6e3a92 | 173 | return -EFAULT; |
636c4598 | 174 | } |
5e6e3a92 BZ |
175 | |
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 | */ | |
186 | static 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; | |
5e6e3a92 BZ |
199 | |
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; | |
636c4598 YAP |
253 | |
254 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, | |
255 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
5e6e3a92 | 256 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
636c4598 YAP |
257 | return -1; |
258 | } | |
5e6e3a92 | 259 | |
636c4598 | 260 | return 0; |
5e6e3a92 BZ |
261 | } |
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 | */ | |
273 | static 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 | */ | |
304 | static int | |
305 | mwifiex_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; | |
5e6e3a92 BZ |
310 | u32 config_bands = 0; |
311 | struct wiphy *wiphy = priv->wdev->wiphy; | |
43906cdb | 312 | struct mwifiex_adapter *adapter = priv->adapter; |
5e6e3a92 | 313 | |
5e6e3a92 | 314 | if (chan) { |
5e6e3a92 | 315 | /* Set appropriate bands */ |
3aebee02 AK |
316 | 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 | } | |
636c4598 | 332 | |
43906cdb AK |
333 | 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 | } | |
21c3ba34 AK |
345 | adapter->sec_chan_offset = |
346 | mwifiex_cfg80211_channel_type_to_sec_chan_offset | |
5e6e3a92 | 347 | (channel_type); |
3aebee02 | 348 | adapter->channel_type = channel_type; |
5e6e3a92 | 349 | |
5e6e3a92 BZ |
350 | mwifiex_send_domain_info_cmd_fw(wiphy); |
351 | } | |
352 | ||
353 | wiphy_dbg(wiphy, "info: setting band %d, channel offset %d and " | |
21c3ba34 | 354 | "mode %d\n", config_bands, adapter->sec_chan_offset, |
eecd8250 | 355 | priv->bss_mode); |
5e6e3a92 | 356 | if (!chan) |
636c4598 | 357 | return 0; |
5e6e3a92 BZ |
358 | |
359 | memset(&cfp, 0, sizeof(cfp)); | |
360 | cfp.freq = chan->center_freq; | |
5e6e3a92 BZ |
361 | cfp.channel = ieee80211_frequency_to_channel(chan->center_freq); |
362 | ||
636c4598 | 363 | if (mwifiex_bss_set_channel(priv, &cfp)) |
5e6e3a92 BZ |
364 | return -EFAULT; |
365 | ||
636c4598 | 366 | return mwifiex_drv_change_adhoc_chan(priv, cfp.channel); |
5e6e3a92 BZ |
367 | } |
368 | ||
369 | /* | |
370 | * CFG802.11 operation handler to set channel. | |
371 | * | |
372 | * This function can only be used when station is not connected. | |
373 | */ | |
374 | static int | |
375 | mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, | |
376 | struct ieee80211_channel *chan, | |
377 | enum nl80211_channel_type channel_type) | |
378 | { | |
f540f9f3 | 379 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 BZ |
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 | * | |
600f5d90 | 393 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
5e6e3a92 BZ |
394 | * and MWIFIEX_FRAG_MAX_VALUE. |
395 | */ | |
396 | static int | |
397 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) | |
398 | { | |
270e58e8 | 399 | int ret; |
5e6e3a92 BZ |
400 | |
401 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE | |
402 | || frag_thr > MWIFIEX_FRAG_MAX_VALUE) | |
403 | return -EINVAL; | |
404 | ||
600f5d90 AK |
405 | /* 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); | |
5e6e3a92 | 409 | |
5e6e3a92 BZ |
410 | return ret; |
411 | } | |
412 | ||
413 | /* | |
414 | * This function sets the RTS threshold. | |
600f5d90 AK |
415 | |
416 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE | |
417 | * and MWIFIEX_RTS_MAX_VALUE. | |
5e6e3a92 BZ |
418 | */ |
419 | static int | |
420 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) | |
421 | { | |
5e6e3a92 BZ |
422 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
423 | rts_thr = MWIFIEX_RTS_MAX_VALUE; | |
424 | ||
636c4598 | 425 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
600f5d90 AK |
426 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
427 | &rts_thr); | |
5e6e3a92 BZ |
428 | } |
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 | */ | |
436 | static int | |
437 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
438 | { | |
439 | struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); | |
5e6e3a92 BZ |
440 | int ret = 0; |
441 | ||
636c4598 | 442 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
5e6e3a92 | 443 | ret = mwifiex_set_rts(priv, wiphy->rts_threshold); |
636c4598 YAP |
444 | if (ret) |
445 | return ret; | |
446 | } | |
5e6e3a92 BZ |
447 | |
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. | |
5e6e3a92 BZ |
456 | */ |
457 | static int | |
458 | mwifiex_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 | { | |
270e58e8 | 463 | int ret; |
5e6e3a92 | 464 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 465 | |
eecd8250 BZ |
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; | |
5e6e3a92 BZ |
472 | |
473 | switch (type) { | |
474 | case NL80211_IFTYPE_ADHOC: | |
5e6e3a92 BZ |
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: | |
5e6e3a92 | 479 | dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; |
eecd8250 | 480 | wiphy_dbg(wiphy, "info: setting interface type to managed\n"); |
5e6e3a92 BZ |
481 | break; |
482 | case NL80211_IFTYPE_UNSPECIFIED: | |
5e6e3a92 BZ |
483 | dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; |
484 | wiphy_dbg(wiphy, "info: setting interface type to auto\n"); | |
eecd8250 | 485 | return 0; |
5e6e3a92 | 486 | default: |
eecd8250 BZ |
487 | wiphy_err(wiphy, "unknown interface type: %d\n", type); |
488 | return -EINVAL; | |
5e6e3a92 | 489 | } |
5e6e3a92 | 490 | |
600f5d90 | 491 | mwifiex_deauthenticate(priv, NULL); |
eecd8250 | 492 | |
f986b6d5 | 493 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
eecd8250 | 494 | |
600f5d90 AK |
495 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
496 | HostCmd_ACT_GEN_SET, 0, NULL); | |
eecd8250 | 497 | |
5e6e3a92 BZ |
498 | 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 | */ | |
512 | static int | |
513 | mwifiex_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)); | |
600f5d90 | 527 | if (mwifiex_get_signal_info(priv, &signal)) { |
5e6e3a92 BZ |
528 | 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 | ||
4ec6f9c0 AK |
537 | /* |
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 | ||
5e6e3a92 BZ |
552 | 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; | |
67a50035 | 556 | sinfo->signal = priv->qual_level; |
4ec6f9c0 AK |
557 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
558 | sinfo->txrate.legacy = rate.rate * 5; | |
5e6e3a92 BZ |
559 | |
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 | */ | |
569 | static int | |
570 | mwifiex_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); | |
5e6e3a92 | 574 | |
5e6e3a92 BZ |
575 | if (!priv->media_connected) |
576 | return -ENOENT; | |
577 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) | |
578 | return -ENOENT; | |
579 | ||
636c4598 | 580 | return mwifiex_dump_station_info(priv, sinfo); |
5e6e3a92 BZ |
581 | } |
582 | ||
583 | /* Supported rates to be advertised to the cfg80211 */ | |
584 | ||
585 | static 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 | ||
604 | static 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 | ||
621 | static 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 | ||
628 | static 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 | ||
662 | static 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 | ||
672 | static 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 | ||
5d82c53a YAP |
679 | /* |
680 | * 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 | */ | |
685 | static 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 | { | |
5d82c53a YAP |
690 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
691 | int index = 0, mode = 0, i; | |
43906cdb | 692 | struct mwifiex_adapter *adapter = priv->adapter; |
5d82c53a YAP |
693 | |
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 | ||
43906cdb AK |
714 | 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 | } | |
21c3ba34 | 721 | adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; |
3aebee02 | 722 | adapter->channel_type = NL80211_CHAN_NO_HT; |
5d82c53a YAP |
723 | |
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 | ||
5e6e3a92 BZ |
731 | /* |
732 | * 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 | */ | |
737 | static int | |
738 | mwifiex_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 | ||
600f5d90 | 743 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
744 | return -EFAULT; |
745 | ||
746 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" | |
747 | " reason code %d\n", priv->cfg_bssid, reason_code); | |
748 | ||
38c9d664 | 749 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
750 | |
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 | */ | |
765 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) | |
766 | { | |
5e6e3a92 BZ |
767 | struct ieee80211_channel *chan; |
768 | struct mwifiex_bss_info bss_info; | |
aa95a48d | 769 | struct cfg80211_bss *bss; |
270e58e8 | 770 | int ie_len; |
5e6e3a92 | 771 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
4ed5d521 | 772 | enum ieee80211_band band; |
5e6e3a92 | 773 | |
636c4598 YAP |
774 | if (mwifiex_get_bss_info(priv, &bss_info)) |
775 | return -1; | |
5e6e3a92 BZ |
776 | |
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 | ||
4ed5d521 | 785 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5e6e3a92 BZ |
786 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
787 | ieee80211_channel_to_frequency(bss_info.bss_chan, | |
4ed5d521 | 788 | band)); |
5e6e3a92 | 789 | |
aa95a48d | 790 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
5e6e3a92 BZ |
791 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
792 | 0, ie_buf, ie_len, 0, GFP_KERNEL); | |
aa95a48d | 793 | cfg80211_put_bss(bss); |
5e6e3a92 BZ |
794 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
795 | ||
636c4598 | 796 | return 0; |
5e6e3a92 BZ |
797 | } |
798 | ||
5e6e3a92 BZ |
799 | /* |
800 | * 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, | |
7c6fa2a8 | 811 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
5e6e3a92 BZ |
812 | */ |
813 | static int | |
814 | mwifiex_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; | |
270e58e8 | 819 | int ret, auth_type = 0; |
7c6fa2a8 AK |
820 | struct cfg80211_bss *bss = NULL; |
821 | u8 is_scanning_required = 0; | |
5e6e3a92 BZ |
822 | |
823 | memset(&req_ssid, 0, sizeof(struct mwifiex_802_11_ssid)); | |
5e6e3a92 BZ |
824 | |
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 */ | |
600f5d90 | 838 | mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
839 | |
840 | if (channel) | |
841 | ret = mwifiex_set_rf_channel(priv, channel, | |
3aebee02 | 842 | priv->adapter->channel_type); |
5e6e3a92 BZ |
843 | |
844 | ret = mwifiex_set_encode(priv, NULL, 0, 0, 1); /* Disable keys */ | |
845 | ||
eecd8250 | 846 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
847 | /* "privacy" is set only for ad-hoc mode */ |
848 | if (privacy) { | |
849 | /* | |
2be50b8d | 850 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
5e6e3a92 BZ |
851 | * the firmware can find a matching network from the |
852 | * scan. The cfg80211 does not give us the encryption | |
853 | * mode at this stage so just setting it to WEP here. | |
854 | */ | |
203afeca | 855 | priv->sec_info.encryption_mode = |
2be50b8d | 856 | WLAN_CIPHER_SUITE_WEP104; |
203afeca | 857 | priv->sec_info.authentication_mode = |
f986b6d5 | 858 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 BZ |
859 | } |
860 | ||
861 | goto done; | |
862 | } | |
863 | ||
864 | /* Now handle infra mode. "sme" is valid for infra mode only */ | |
865 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC | |
866 | || sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) | |
f986b6d5 | 867 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 | 868 | else if (sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
f986b6d5 | 869 | auth_type = NL80211_AUTHTYPE_SHARED_KEY; |
5e6e3a92 BZ |
870 | |
871 | if (sme->crypto.n_ciphers_pairwise) { | |
2be50b8d YAP |
872 | priv->sec_info.encryption_mode = |
873 | sme->crypto.ciphers_pairwise[0]; | |
203afeca | 874 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
875 | } |
876 | ||
877 | if (sme->crypto.cipher_group) { | |
2be50b8d | 878 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
203afeca | 879 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
880 | } |
881 | if (sme->ie) | |
882 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); | |
883 | ||
884 | if (sme->key) { | |
e6faada5 | 885 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
5e6e3a92 BZ |
886 | dev_dbg(priv->adapter->dev, |
887 | "info: setting wep encryption" | |
888 | " with key len %d\n", sme->key_len); | |
889 | ret = mwifiex_set_encode(priv, sme->key, sme->key_len, | |
890 | sme->key_idx, 0); | |
891 | } | |
892 | } | |
893 | done: | |
894 | /* Do specific SSID scanning */ | |
600f5d90 | 895 | if (mwifiex_request_scan(priv, &req_ssid)) { |
5e6e3a92 BZ |
896 | dev_err(priv->adapter->dev, "scan error\n"); |
897 | return -EFAULT; | |
898 | } | |
899 | ||
7c6fa2a8 AK |
900 | /* |
901 | * Scan entries are valid for some time (15 sec). So we can save one | |
902 | * active scan time if we just try cfg80211_get_bss first. If it fails | |
903 | * then request scan and cfg80211_get_bss() again for final output. | |
904 | */ | |
905 | while (1) { | |
906 | if (is_scanning_required) { | |
907 | /* Do specific SSID scanning */ | |
908 | if (mwifiex_request_scan(priv, &req_ssid)) { | |
909 | dev_err(priv->adapter->dev, "scan error\n"); | |
910 | return -EFAULT; | |
911 | } | |
912 | } | |
5e6e3a92 | 913 | |
7c6fa2a8 AK |
914 | /* Find the BSS we want using available scan results */ |
915 | if (mode == NL80211_IFTYPE_ADHOC) | |
916 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
917 | bssid, ssid, ssid_len, | |
918 | WLAN_CAPABILITY_IBSS, | |
919 | WLAN_CAPABILITY_IBSS); | |
920 | else | |
921 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
922 | bssid, ssid, ssid_len, | |
923 | WLAN_CAPABILITY_ESS, | |
924 | WLAN_CAPABILITY_ESS); | |
925 | ||
926 | if (!bss) { | |
927 | if (is_scanning_required) { | |
928 | dev_warn(priv->adapter->dev, "assoc: requested " | |
929 | "bss not found in scan results\n"); | |
930 | break; | |
931 | } | |
932 | is_scanning_required = 1; | |
933 | } else { | |
934 | dev_dbg(priv->adapter->dev, "info: trying to associate to %s and bssid %pM\n", | |
935 | (char *) req_ssid.ssid, bss->bssid); | |
936 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); | |
937 | break; | |
938 | } | |
5e6e3a92 BZ |
939 | } |
940 | ||
7c6fa2a8 | 941 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
5e6e3a92 BZ |
942 | return -EFAULT; |
943 | ||
eecd8250 | 944 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
945 | /* Inform the BSS information to kernel, otherwise |
946 | * kernel will give a panic after successful assoc */ | |
947 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) | |
948 | return -EFAULT; | |
949 | } | |
950 | ||
951 | return ret; | |
952 | } | |
953 | ||
954 | /* | |
955 | * CFG802.11 operation handler for association request. | |
956 | * | |
957 | * This function does not work when the current mode is set to Ad-Hoc, or | |
958 | * when there is already an association procedure going on. The given BSS | |
959 | * information is used to associate. | |
960 | */ | |
961 | static int | |
962 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, | |
963 | struct cfg80211_connect_params *sme) | |
964 | { | |
965 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
966 | int ret = 0; | |
5e6e3a92 | 967 | |
eecd8250 | 968 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
969 | wiphy_err(wiphy, "received infra assoc request " |
970 | "when station is in ibss mode\n"); | |
971 | goto done; | |
972 | } | |
973 | ||
5e6e3a92 BZ |
974 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
975 | (char *) sme->ssid, sme->bssid); | |
976 | ||
977 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, | |
eecd8250 | 978 | priv->bss_mode, sme->channel, sme, 0); |
5e6e3a92 | 979 | done: |
38c9d664 AK |
980 | if (!ret) { |
981 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, | |
982 | NULL, 0, WLAN_STATUS_SUCCESS, | |
983 | GFP_KERNEL); | |
984 | dev_dbg(priv->adapter->dev, | |
985 | "info: associated to bssid %pM successfully\n", | |
986 | priv->cfg_bssid); | |
987 | } else { | |
988 | dev_dbg(priv->adapter->dev, | |
989 | "info: association to bssid %pM failed\n", | |
990 | priv->cfg_bssid); | |
991 | memset(priv->cfg_bssid, 0, ETH_ALEN); | |
992 | } | |
993 | ||
5e6e3a92 BZ |
994 | return ret; |
995 | } | |
996 | ||
997 | /* | |
998 | * CFG802.11 operation handler to join an IBSS. | |
999 | * | |
1000 | * This function does not work in any mode other than Ad-Hoc, or if | |
1001 | * a join operation is already in progress. | |
1002 | */ | |
1003 | static int | |
1004 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1005 | struct cfg80211_ibss_params *params) | |
1006 | { | |
f540f9f3 | 1007 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1008 | int ret = 0; |
5e6e3a92 | 1009 | |
eecd8250 | 1010 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1011 | wiphy_err(wiphy, "request to join ibss received " |
1012 | "when station is not in ibss mode\n"); | |
1013 | goto done; | |
1014 | } | |
1015 | ||
5e6e3a92 BZ |
1016 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
1017 | (char *) params->ssid, params->bssid); | |
1018 | ||
1019 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, | |
eecd8250 BZ |
1020 | params->bssid, priv->bss_mode, |
1021 | params->channel, NULL, params->privacy); | |
5e6e3a92 | 1022 | done: |
38c9d664 AK |
1023 | if (!ret) { |
1024 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); | |
1025 | dev_dbg(priv->adapter->dev, | |
1026 | "info: joined/created adhoc network with bssid" | |
1027 | " %pM successfully\n", priv->cfg_bssid); | |
1028 | } else { | |
1029 | dev_dbg(priv->adapter->dev, | |
1030 | "info: failed creating/joining adhoc network\n"); | |
1031 | } | |
1032 | ||
5e6e3a92 BZ |
1033 | return ret; |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * CFG802.11 operation handler to leave an IBSS. | |
1038 | * | |
1039 | * This function does not work if a leave operation is | |
1040 | * already in progress. | |
1041 | */ | |
1042 | static int | |
1043 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1044 | { | |
f540f9f3 | 1045 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1046 | |
5e6e3a92 BZ |
1047 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
1048 | priv->cfg_bssid); | |
600f5d90 | 1049 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1050 | return -EFAULT; |
1051 | ||
38c9d664 | 1052 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1053 | |
1054 | return 0; | |
1055 | } | |
1056 | ||
1057 | /* | |
1058 | * CFG802.11 operation handler for scan request. | |
1059 | * | |
1060 | * This function issues a scan request to the firmware based upon | |
1061 | * the user specified scan configuration. On successfull completion, | |
1062 | * it also informs the results. | |
1063 | */ | |
1064 | static int | |
1065 | mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, | |
1066 | struct cfg80211_scan_request *request) | |
1067 | { | |
1068 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
38c9d664 AK |
1069 | int i; |
1070 | struct ieee80211_channel *chan; | |
5e6e3a92 BZ |
1071 | |
1072 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); | |
1073 | ||
5e6e3a92 BZ |
1074 | priv->scan_request = request; |
1075 | ||
38c9d664 AK |
1076 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
1077 | GFP_KERNEL); | |
1078 | if (!priv->user_scan_cfg) { | |
1079 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); | |
1080 | return -ENOMEM; | |
1081 | } | |
1082 | for (i = 0; i < request->n_ssids; i++) { | |
1083 | memcpy(priv->user_scan_cfg->ssid_list[i].ssid, | |
1084 | request->ssids[i].ssid, request->ssids[i].ssid_len); | |
1085 | priv->user_scan_cfg->ssid_list[i].max_len = | |
1086 | request->ssids[i].ssid_len; | |
1087 | } | |
1088 | for (i = 0; i < request->n_channels; i++) { | |
1089 | chan = request->channels[i]; | |
1090 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; | |
1091 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; | |
1092 | ||
1093 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
1094 | priv->user_scan_cfg->chan_list[i].scan_type = | |
1095 | MWIFIEX_SCAN_TYPE_PASSIVE; | |
1096 | else | |
1097 | priv->user_scan_cfg->chan_list[i].scan_type = | |
1098 | MWIFIEX_SCAN_TYPE_ACTIVE; | |
1099 | ||
1100 | priv->user_scan_cfg->chan_list[i].scan_time = 0; | |
1101 | } | |
1102 | if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) | |
1103 | return -EFAULT; | |
1104 | ||
5e6e3a92 BZ |
1105 | return 0; |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * This function sets up the CFG802.11 specific HT capability fields | |
1110 | * with default values. | |
1111 | * | |
1112 | * The following default values are set - | |
1113 | * - HT Supported = True | |
a46b7b5c AK |
1114 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
1115 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE | |
1116 | * - HT Capabilities supported by firmware | |
5e6e3a92 BZ |
1117 | * - MCS information, Rx mask = 0xff |
1118 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) | |
1119 | */ | |
1120 | static void | |
1121 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, | |
1122 | struct mwifiex_private *priv) | |
1123 | { | |
1124 | int rx_mcs_supp; | |
1125 | struct ieee80211_mcs_info mcs_set; | |
1126 | u8 *mcs = (u8 *)&mcs_set; | |
1127 | struct mwifiex_adapter *adapter = priv->adapter; | |
1128 | ||
1129 | ht_info->ht_supported = true; | |
a46b7b5c AK |
1130 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
1131 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; | |
5e6e3a92 BZ |
1132 | |
1133 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
5e6e3a92 | 1134 | |
a46b7b5c AK |
1135 | /* Fill HT capability information */ |
1136 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) | |
1137 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1138 | else | |
1139 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1140 | ||
1141 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) | |
1142 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1143 | else | |
1144 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; | |
1145 | ||
1146 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) | |
1147 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1148 | else | |
1149 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; | |
1150 | ||
1151 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1152 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1153 | else | |
1154 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); | |
1155 | ||
1156 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1157 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; | |
1158 | else | |
1159 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; | |
1160 | ||
1161 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
1162 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; | |
1163 | ||
1164 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); | |
5e6e3a92 BZ |
1165 | /* Set MCS for 1x1 */ |
1166 | memset(mcs, 0xff, rx_mcs_supp); | |
1167 | /* Clear all the other values */ | |
1168 | memset(&mcs[rx_mcs_supp], 0, | |
1169 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); | |
eecd8250 | 1170 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
6d2bd916 | 1171 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
5e6e3a92 BZ |
1172 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
1173 | SETHT_MCS32(mcs_set.rx_mask); | |
1174 | ||
1175 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); | |
1176 | ||
1177 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1178 | } | |
1179 | ||
93a1df48 YAP |
1180 | /* |
1181 | * create a new virtual interface with the given name | |
1182 | */ | |
1183 | struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, | |
1184 | char *name, | |
1185 | enum nl80211_iftype type, | |
1186 | u32 *flags, | |
1187 | struct vif_params *params) | |
1188 | { | |
1189 | struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); | |
1190 | struct mwifiex_adapter *adapter; | |
1191 | struct net_device *dev; | |
1192 | void *mdev_priv; | |
1193 | ||
1194 | if (!priv) | |
1195 | return NULL; | |
1196 | ||
1197 | adapter = priv->adapter; | |
1198 | if (!adapter) | |
1199 | return NULL; | |
1200 | ||
1201 | switch (type) { | |
1202 | case NL80211_IFTYPE_UNSPECIFIED: | |
1203 | case NL80211_IFTYPE_STATION: | |
1204 | case NL80211_IFTYPE_ADHOC: | |
1205 | if (priv->bss_mode) { | |
1206 | wiphy_err(wiphy, "cannot create multiple" | |
1207 | " station/adhoc interfaces\n"); | |
1208 | return NULL; | |
1209 | } | |
1210 | ||
1211 | if (type == NL80211_IFTYPE_UNSPECIFIED) | |
1212 | priv->bss_mode = NL80211_IFTYPE_STATION; | |
1213 | else | |
1214 | priv->bss_mode = type; | |
1215 | ||
1216 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; | |
1217 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
1218 | priv->bss_priority = 0; | |
1219 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; | |
93a1df48 YAP |
1220 | priv->bss_num = 0; |
1221 | ||
1222 | break; | |
1223 | default: | |
1224 | wiphy_err(wiphy, "type not supported\n"); | |
1225 | return NULL; | |
1226 | } | |
1227 | ||
1228 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, | |
1229 | ether_setup, 1); | |
1230 | if (!dev) { | |
1231 | wiphy_err(wiphy, "no memory available for netdevice\n"); | |
1232 | goto error; | |
1233 | } | |
1234 | ||
1235 | dev_net_set(dev, wiphy_net(wiphy)); | |
1236 | dev->ieee80211_ptr = priv->wdev; | |
1237 | dev->ieee80211_ptr->iftype = priv->bss_mode; | |
1238 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); | |
1239 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); | |
1240 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); | |
1241 | ||
1242 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
1243 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; | |
1244 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; | |
1245 | ||
1246 | mdev_priv = netdev_priv(dev); | |
1247 | *((unsigned long *) mdev_priv) = (unsigned long) priv; | |
1248 | ||
1249 | priv->netdev = dev; | |
1250 | mwifiex_init_priv_params(priv, dev); | |
1251 | ||
1252 | SET_NETDEV_DEV(dev, adapter->dev); | |
1253 | ||
1254 | /* Register network device */ | |
1255 | if (register_netdevice(dev)) { | |
1256 | wiphy_err(wiphy, "cannot register virtual network device\n"); | |
1257 | goto error; | |
1258 | } | |
1259 | ||
1260 | sema_init(&priv->async_sem, 1); | |
1261 | priv->scan_pending_on_block = false; | |
1262 | ||
1263 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); | |
1264 | ||
1265 | #ifdef CONFIG_DEBUG_FS | |
1266 | mwifiex_dev_debugfs_init(priv); | |
1267 | #endif | |
1268 | return dev; | |
1269 | error: | |
1270 | if (dev && (dev->reg_state == NETREG_UNREGISTERED)) | |
1271 | free_netdev(dev); | |
1272 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; | |
1273 | ||
1274 | return NULL; | |
1275 | } | |
1276 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); | |
1277 | ||
1278 | /* | |
1279 | * del_virtual_intf: remove the virtual interface determined by dev | |
1280 | */ | |
1281 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) | |
1282 | { | |
f540f9f3 | 1283 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
93a1df48 YAP |
1284 | |
1285 | #ifdef CONFIG_DEBUG_FS | |
1286 | mwifiex_dev_debugfs_remove(priv); | |
1287 | #endif | |
1288 | ||
1289 | if (!netif_queue_stopped(priv->netdev)) | |
1290 | netif_stop_queue(priv->netdev); | |
1291 | ||
1292 | if (netif_carrier_ok(priv->netdev)) | |
1293 | netif_carrier_off(priv->netdev); | |
1294 | ||
1295 | if (dev->reg_state == NETREG_REGISTERED) | |
1296 | unregister_netdevice(dev); | |
1297 | ||
1298 | if (dev->reg_state == NETREG_UNREGISTERED) | |
1299 | free_netdev(dev); | |
1300 | ||
1301 | /* Clear the priv in adapter */ | |
1302 | priv->netdev = NULL; | |
1303 | ||
1304 | priv->media_connected = false; | |
1305 | ||
93a1df48 YAP |
1306 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1307 | ||
1308 | return 0; | |
1309 | } | |
1310 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); | |
1311 | ||
5e6e3a92 BZ |
1312 | /* station cfg80211 operations */ |
1313 | static struct cfg80211_ops mwifiex_cfg80211_ops = { | |
93a1df48 YAP |
1314 | .add_virtual_intf = mwifiex_add_virtual_intf, |
1315 | .del_virtual_intf = mwifiex_del_virtual_intf, | |
5e6e3a92 BZ |
1316 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
1317 | .scan = mwifiex_cfg80211_scan, | |
1318 | .connect = mwifiex_cfg80211_connect, | |
1319 | .disconnect = mwifiex_cfg80211_disconnect, | |
1320 | .get_station = mwifiex_cfg80211_get_station, | |
1321 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, | |
1322 | .set_channel = mwifiex_cfg80211_set_channel, | |
1323 | .join_ibss = mwifiex_cfg80211_join_ibss, | |
1324 | .leave_ibss = mwifiex_cfg80211_leave_ibss, | |
1325 | .add_key = mwifiex_cfg80211_add_key, | |
1326 | .del_key = mwifiex_cfg80211_del_key, | |
1327 | .set_default_key = mwifiex_cfg80211_set_default_key, | |
1328 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, | |
1329 | .set_tx_power = mwifiex_cfg80211_set_tx_power, | |
5d82c53a | 1330 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
5e6e3a92 BZ |
1331 | }; |
1332 | ||
1333 | /* | |
1334 | * This function registers the device with CFG802.11 subsystem. | |
1335 | * | |
1336 | * The function creates the wireless device/wiphy, populates it with | |
1337 | * default parameters and handler function pointers, and finally | |
1338 | * registers the device. | |
1339 | */ | |
93a1df48 | 1340 | int mwifiex_register_cfg80211(struct mwifiex_private *priv) |
5e6e3a92 | 1341 | { |
270e58e8 YAP |
1342 | int ret; |
1343 | void *wdev_priv; | |
5e6e3a92 BZ |
1344 | struct wireless_dev *wdev; |
1345 | ||
1346 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); | |
1347 | if (!wdev) { | |
1348 | dev_err(priv->adapter->dev, "%s: allocating wireless device\n", | |
1349 | __func__); | |
1350 | return -ENOMEM; | |
1351 | } | |
1352 | wdev->wiphy = | |
1353 | wiphy_new(&mwifiex_cfg80211_ops, | |
1354 | sizeof(struct mwifiex_private *)); | |
b53575ec CF |
1355 | if (!wdev->wiphy) { |
1356 | kfree(wdev); | |
5e6e3a92 | 1357 | return -ENOMEM; |
b53575ec | 1358 | } |
5e6e3a92 BZ |
1359 | wdev->iftype = NL80211_IFTYPE_STATION; |
1360 | wdev->wiphy->max_scan_ssids = 10; | |
1361 | wdev->wiphy->interface_modes = | |
1362 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); | |
adc89595 | 1363 | |
5e6e3a92 | 1364 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; |
adc89595 AK |
1365 | mwifiex_setup_ht_caps( |
1366 | &wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); | |
1367 | ||
1368 | if (priv->adapter->config_bands & BAND_A) { | |
1369 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; | |
1370 | mwifiex_setup_ht_caps( | |
1371 | &wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); | |
1372 | } else { | |
1373 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
1374 | } | |
5e6e3a92 BZ |
1375 | |
1376 | /* Initialize cipher suits */ | |
1377 | wdev->wiphy->cipher_suites = mwifiex_cipher_suites; | |
1378 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); | |
1379 | ||
93a1df48 | 1380 | memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
5e6e3a92 BZ |
1381 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
1382 | ||
5116f3ce AK |
1383 | /* Reserve space for bss band information */ |
1384 | wdev->wiphy->bss_priv_size = sizeof(u8); | |
1385 | ||
5e6e3a92 BZ |
1386 | wdev->wiphy->reg_notifier = mwifiex_reg_notifier; |
1387 | ||
1388 | /* Set struct mwifiex_private pointer in wiphy_priv */ | |
1389 | wdev_priv = wiphy_priv(wdev->wiphy); | |
1390 | ||
1391 | *(unsigned long *) wdev_priv = (unsigned long) priv; | |
1392 | ||
a7b21165 YAP |
1393 | set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev); |
1394 | ||
5e6e3a92 BZ |
1395 | ret = wiphy_register(wdev->wiphy); |
1396 | if (ret < 0) { | |
1397 | dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n", | |
1398 | __func__); | |
1399 | wiphy_free(wdev->wiphy); | |
b53575ec | 1400 | kfree(wdev); |
5e6e3a92 BZ |
1401 | return ret; |
1402 | } else { | |
1403 | dev_dbg(priv->adapter->dev, | |
1404 | "info: successfully registered wiphy device\n"); | |
1405 | } | |
1406 | ||
5e6e3a92 BZ |
1407 | priv->wdev = wdev; |
1408 | ||
5e6e3a92 BZ |
1409 | return ret; |
1410 | } |