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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 | ||
cd8440da AP |
23 | static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { |
24 | { | |
25 | .max = 1, .types = BIT(NL80211_IFTYPE_STATION), | |
26 | }, | |
27 | { | |
28 | .max = 1, .types = BIT(NL80211_IFTYPE_AP), | |
29 | }, | |
30 | }; | |
31 | ||
32 | static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = { | |
33 | .limits = mwifiex_ap_sta_limits, | |
34 | .num_different_channels = 1, | |
35 | .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), | |
36 | .max_interfaces = MWIFIEX_MAX_BSS_NUM, | |
37 | .beacon_int_infra_match = true, | |
38 | }; | |
39 | ||
5e6e3a92 BZ |
40 | /* |
41 | * This function maps the nl802.11 channel type into driver channel type. | |
42 | * | |
43 | * The mapping is as follows - | |
21c3ba34 AK |
44 | * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE |
45 | * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE | |
46 | * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE | |
47 | * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW | |
48 | * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE | |
5e6e3a92 | 49 | */ |
21c3ba34 | 50 | static u8 |
05910f4a | 51 | mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) |
5e6e3a92 | 52 | { |
05910f4a | 53 | switch (chan_type) { |
5e6e3a92 BZ |
54 | case NL80211_CHAN_NO_HT: |
55 | case NL80211_CHAN_HT20: | |
21c3ba34 | 56 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 57 | case NL80211_CHAN_HT40PLUS: |
21c3ba34 | 58 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
5e6e3a92 | 59 | case NL80211_CHAN_HT40MINUS: |
21c3ba34 | 60 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
5e6e3a92 | 61 | default: |
21c3ba34 | 62 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 63 | } |
5e6e3a92 BZ |
64 | } |
65 | ||
5e6e3a92 BZ |
66 | /* |
67 | * This function checks whether WEP is set. | |
68 | */ | |
69 | static int | |
70 | mwifiex_is_alg_wep(u32 cipher) | |
71 | { | |
5e6e3a92 | 72 | switch (cipher) { |
2be50b8d YAP |
73 | case WLAN_CIPHER_SUITE_WEP40: |
74 | case WLAN_CIPHER_SUITE_WEP104: | |
270e58e8 | 75 | return 1; |
5e6e3a92 | 76 | default: |
5e6e3a92 BZ |
77 | break; |
78 | } | |
270e58e8 YAP |
79 | |
80 | return 0; | |
5e6e3a92 BZ |
81 | } |
82 | ||
5e6e3a92 BZ |
83 | /* |
84 | * This function retrieves the private structure from kernel wiphy structure. | |
85 | */ | |
67fdf39e | 86 | static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) |
5e6e3a92 BZ |
87 | { |
88 | return (void *) (*(unsigned long *) wiphy_priv(wiphy)); | |
89 | } | |
90 | ||
91 | /* | |
92 | * CFG802.11 operation handler to delete a network key. | |
93 | */ | |
94 | static int | |
95 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
96 | u8 key_index, bool pairwise, const u8 *mac_addr) | |
97 | { | |
f540f9f3 | 98 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
75edd2c6 AP |
99 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
100 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; | |
5e6e3a92 | 101 | |
53b11231 | 102 | if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { |
5e6e3a92 BZ |
103 | wiphy_err(wiphy, "deleting the crypto keys\n"); |
104 | return -EFAULT; | |
105 | } | |
106 | ||
107 | wiphy_dbg(wiphy, "info: crypto keys deleted\n"); | |
108 | return 0; | |
109 | } | |
110 | ||
111 | /* | |
112 | * CFG802.11 operation handler to set Tx power. | |
113 | */ | |
114 | static int | |
115 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, | |
116 | enum nl80211_tx_power_setting type, | |
742c29fd | 117 | int mbm) |
5e6e3a92 | 118 | { |
67fdf39e AP |
119 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
120 | struct mwifiex_private *priv; | |
600f5d90 | 121 | struct mwifiex_power_cfg power_cfg; |
742c29fd | 122 | int dbm = MBM_TO_DBM(mbm); |
5e6e3a92 | 123 | |
600f5d90 AK |
124 | if (type == NL80211_TX_POWER_FIXED) { |
125 | power_cfg.is_power_auto = 0; | |
126 | power_cfg.power_level = dbm; | |
127 | } else { | |
128 | power_cfg.is_power_auto = 1; | |
129 | } | |
130 | ||
67fdf39e AP |
131 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
132 | ||
636c4598 | 133 | return mwifiex_set_tx_power(priv, &power_cfg); |
5e6e3a92 BZ |
134 | } |
135 | ||
136 | /* | |
137 | * CFG802.11 operation handler to set Power Save option. | |
138 | * | |
139 | * The timeout value, if provided, is currently ignored. | |
140 | */ | |
141 | static int | |
142 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
143 | struct net_device *dev, | |
144 | bool enabled, int timeout) | |
145 | { | |
f540f9f3 | 146 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
600f5d90 | 147 | u32 ps_mode; |
5e6e3a92 BZ |
148 | |
149 | if (timeout) | |
150 | wiphy_dbg(wiphy, | |
aea0701e | 151 | "info: ignore timeout value for IEEE Power Save\n"); |
5e6e3a92 | 152 | |
600f5d90 | 153 | ps_mode = enabled; |
5e6e3a92 | 154 | |
636c4598 | 155 | return mwifiex_drv_set_power(priv, &ps_mode); |
5e6e3a92 BZ |
156 | } |
157 | ||
158 | /* | |
159 | * CFG802.11 operation handler to set the default network key. | |
160 | */ | |
161 | static int | |
162 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
163 | u8 key_index, bool unicast, | |
164 | bool multicast) | |
165 | { | |
f540f9f3 | 166 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
5e6e3a92 | 167 | |
2d3d0a88 | 168 | /* Return if WEP key not configured */ |
5eb02e44 | 169 | if (!priv->sec_info.wep_enabled) |
2d3d0a88 AK |
170 | return 0; |
171 | ||
96893538 AP |
172 | if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { |
173 | priv->wep_key_curr_index = key_index; | |
53b11231 YL |
174 | } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, |
175 | NULL, 0)) { | |
636c4598 | 176 | wiphy_err(wiphy, "set default Tx key index\n"); |
5e6e3a92 | 177 | return -EFAULT; |
636c4598 | 178 | } |
5e6e3a92 BZ |
179 | |
180 | return 0; | |
181 | } | |
182 | ||
183 | /* | |
184 | * CFG802.11 operation handler to add a network key. | |
185 | */ | |
186 | static int | |
187 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, | |
188 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
189 | struct key_params *params) | |
190 | { | |
f540f9f3 | 191 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
96893538 | 192 | struct mwifiex_wep_key *wep_key; |
75edd2c6 AP |
193 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
194 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; | |
5e6e3a92 | 195 | |
96893538 AP |
196 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
197 | (params->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
198 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { | |
199 | if (params->key && params->key_len) { | |
200 | wep_key = &priv->wep_key[key_index]; | |
201 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); | |
202 | memcpy(wep_key->key_material, params->key, | |
203 | params->key_len); | |
204 | wep_key->key_index = key_index; | |
205 | wep_key->key_length = params->key_len; | |
206 | priv->sec_info.wep_enabled = 1; | |
207 | } | |
208 | return 0; | |
209 | } | |
210 | ||
53b11231 | 211 | if (mwifiex_set_encode(priv, params, params->key, params->key_len, |
75edd2c6 | 212 | key_index, peer_mac, 0)) { |
636c4598 | 213 | wiphy_err(wiphy, "crypto keys added\n"); |
5e6e3a92 | 214 | return -EFAULT; |
636c4598 | 215 | } |
5e6e3a92 BZ |
216 | |
217 | return 0; | |
218 | } | |
219 | ||
220 | /* | |
221 | * This function sends domain information to the firmware. | |
222 | * | |
223 | * The following information are passed to the firmware - | |
224 | * - Country codes | |
225 | * - Sub bands (first channel, number of channels, maximum Tx power) | |
226 | */ | |
227 | static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) | |
228 | { | |
229 | u8 no_of_triplet = 0; | |
230 | struct ieee80211_country_ie_triplet *t; | |
231 | u8 no_of_parsed_chan = 0; | |
232 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; | |
233 | u8 i, flag = 0; | |
234 | enum ieee80211_band band; | |
235 | struct ieee80211_supported_band *sband; | |
236 | struct ieee80211_channel *ch; | |
67fdf39e AP |
237 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
238 | struct mwifiex_private *priv; | |
5e6e3a92 | 239 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
5e6e3a92 BZ |
240 | |
241 | /* Set country code */ | |
67fdf39e AP |
242 | domain_info->country_code[0] = adapter->country_code[0]; |
243 | domain_info->country_code[1] = adapter->country_code[1]; | |
5e6e3a92 BZ |
244 | domain_info->country_code[2] = ' '; |
245 | ||
246 | band = mwifiex_band_to_radio_type(adapter->config_bands); | |
247 | if (!wiphy->bands[band]) { | |
248 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); | |
249 | return -1; | |
250 | } | |
251 | ||
252 | sband = wiphy->bands[band]; | |
253 | ||
254 | for (i = 0; i < sband->n_channels ; i++) { | |
255 | ch = &sband->channels[i]; | |
256 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
257 | continue; | |
258 | ||
259 | if (!flag) { | |
260 | flag = 1; | |
261 | first_chan = (u32) ch->hw_value; | |
262 | next_chan = first_chan; | |
34202e28 | 263 | max_pwr = ch->max_reg_power; |
5e6e3a92 BZ |
264 | no_of_parsed_chan = 1; |
265 | continue; | |
266 | } | |
267 | ||
268 | if (ch->hw_value == next_chan + 1 && | |
34202e28 | 269 | ch->max_reg_power == max_pwr) { |
5e6e3a92 BZ |
270 | next_chan++; |
271 | no_of_parsed_chan++; | |
272 | } else { | |
273 | t = &domain_info->triplet[no_of_triplet]; | |
274 | t->chans.first_channel = first_chan; | |
275 | t->chans.num_channels = no_of_parsed_chan; | |
276 | t->chans.max_power = max_pwr; | |
277 | no_of_triplet++; | |
278 | first_chan = (u32) ch->hw_value; | |
279 | next_chan = first_chan; | |
34202e28 | 280 | max_pwr = ch->max_reg_power; |
5e6e3a92 BZ |
281 | no_of_parsed_chan = 1; |
282 | } | |
283 | } | |
284 | ||
285 | if (flag) { | |
286 | t = &domain_info->triplet[no_of_triplet]; | |
287 | t->chans.first_channel = first_chan; | |
288 | t->chans.num_channels = no_of_parsed_chan; | |
289 | t->chans.max_power = max_pwr; | |
290 | no_of_triplet++; | |
291 | } | |
292 | ||
293 | domain_info->no_of_triplet = no_of_triplet; | |
636c4598 | 294 | |
67fdf39e AP |
295 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
296 | ||
636c4598 | 297 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
aea0701e | 298 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
5e6e3a92 | 299 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
636c4598 YAP |
300 | return -1; |
301 | } | |
5e6e3a92 | 302 | |
636c4598 | 303 | return 0; |
5e6e3a92 BZ |
304 | } |
305 | ||
306 | /* | |
307 | * CFG802.11 regulatory domain callback function. | |
308 | * | |
309 | * This function is called when the regulatory domain is changed due to the | |
310 | * following reasons - | |
311 | * - Set by driver | |
312 | * - Set by system core | |
313 | * - Set by user | |
314 | * - Set bt Country IE | |
315 | */ | |
316 | static int mwifiex_reg_notifier(struct wiphy *wiphy, | |
aea0701e | 317 | struct regulatory_request *request) |
5e6e3a92 | 318 | { |
67fdf39e | 319 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
5e6e3a92 | 320 | |
67fdf39e AP |
321 | wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n", |
322 | request->alpha2[0], request->alpha2[1]); | |
5e6e3a92 | 323 | |
67fdf39e | 324 | memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); |
5e6e3a92 BZ |
325 | |
326 | switch (request->initiator) { | |
327 | case NL80211_REGDOM_SET_BY_DRIVER: | |
328 | case NL80211_REGDOM_SET_BY_CORE: | |
329 | case NL80211_REGDOM_SET_BY_USER: | |
330 | break; | |
331 | /* Todo: apply driver specific changes in channel flags based | |
332 | on the request initiator if necessary. */ | |
333 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: | |
334 | break; | |
335 | } | |
336 | mwifiex_send_domain_info_cmd_fw(wiphy); | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
5e6e3a92 BZ |
341 | /* |
342 | * This function sets the fragmentation threshold. | |
343 | * | |
600f5d90 | 344 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
5e6e3a92 BZ |
345 | * and MWIFIEX_FRAG_MAX_VALUE. |
346 | */ | |
347 | static int | |
348 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) | |
349 | { | |
aea0701e YAP |
350 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
351 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) | |
9b930eae | 352 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
5e6e3a92 | 353 | |
9b930eae AP |
354 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
355 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, | |
356 | &frag_thr); | |
5e6e3a92 BZ |
357 | } |
358 | ||
359 | /* | |
360 | * This function sets the RTS threshold. | |
600f5d90 AK |
361 | |
362 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE | |
363 | * and MWIFIEX_RTS_MAX_VALUE. | |
5e6e3a92 BZ |
364 | */ |
365 | static int | |
366 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) | |
367 | { | |
5e6e3a92 BZ |
368 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
369 | rts_thr = MWIFIEX_RTS_MAX_VALUE; | |
370 | ||
636c4598 | 371 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
600f5d90 AK |
372 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
373 | &rts_thr); | |
5e6e3a92 BZ |
374 | } |
375 | ||
376 | /* | |
377 | * CFG802.11 operation handler to set wiphy parameters. | |
378 | * | |
379 | * This function can be used to set the RTS threshold and the | |
380 | * Fragmentation threshold of the driver. | |
381 | */ | |
382 | static int | |
383 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
384 | { | |
67fdf39e | 385 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
9b930eae AP |
386 | struct mwifiex_private *priv; |
387 | struct mwifiex_uap_bss_param *bss_cfg; | |
388 | int ret, bss_started, i; | |
389 | ||
390 | for (i = 0; i < adapter->priv_num; i++) { | |
391 | priv = adapter->priv[i]; | |
392 | ||
393 | switch (priv->bss_role) { | |
394 | case MWIFIEX_BSS_ROLE_UAP: | |
395 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), | |
396 | GFP_KERNEL); | |
397 | if (!bss_cfg) | |
398 | return -ENOMEM; | |
399 | ||
400 | mwifiex_set_sys_config_invalid_data(bss_cfg); | |
401 | ||
402 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
403 | bss_cfg->rts_threshold = wiphy->rts_threshold; | |
404 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
405 | bss_cfg->frag_threshold = wiphy->frag_threshold; | |
406 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
407 | bss_cfg->retry_limit = wiphy->retry_long; | |
408 | ||
409 | bss_started = priv->bss_started; | |
410 | ||
411 | ret = mwifiex_send_cmd_sync(priv, | |
412 | HostCmd_CMD_UAP_BSS_STOP, | |
413 | HostCmd_ACT_GEN_SET, 0, | |
414 | NULL); | |
415 | if (ret) { | |
416 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
417 | kfree(bss_cfg); | |
418 | return ret; | |
419 | } | |
420 | ||
421 | ret = mwifiex_send_cmd_async(priv, | |
422 | HostCmd_CMD_UAP_SYS_CONFIG, | |
423 | HostCmd_ACT_GEN_SET, | |
e76268da | 424 | UAP_BSS_PARAMS_I, bss_cfg); |
5e6e3a92 | 425 | |
9b930eae AP |
426 | kfree(bss_cfg); |
427 | ||
428 | if (ret) { | |
429 | wiphy_err(wiphy, "Failed to set bss config\n"); | |
430 | return ret; | |
431 | } | |
5e6e3a92 | 432 | |
9b930eae AP |
433 | if (!bss_started) |
434 | break; | |
435 | ||
436 | ret = mwifiex_send_cmd_async(priv, | |
437 | HostCmd_CMD_UAP_BSS_START, | |
438 | HostCmd_ACT_GEN_SET, 0, | |
439 | NULL); | |
440 | if (ret) { | |
441 | wiphy_err(wiphy, "Failed to start BSS\n"); | |
442 | return ret; | |
443 | } | |
444 | ||
445 | break; | |
446 | case MWIFIEX_BSS_ROLE_STA: | |
447 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
448 | ret = mwifiex_set_rts(priv, | |
449 | wiphy->rts_threshold); | |
450 | if (ret) | |
451 | return ret; | |
452 | } | |
453 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
454 | ret = mwifiex_set_frag(priv, | |
455 | wiphy->frag_threshold); | |
456 | if (ret) | |
457 | return ret; | |
458 | } | |
459 | break; | |
460 | } | |
461 | } | |
462 | ||
463 | return 0; | |
5e6e3a92 BZ |
464 | } |
465 | ||
466 | /* | |
467 | * CFG802.11 operation handler to change interface type. | |
5e6e3a92 BZ |
468 | */ |
469 | static int | |
470 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, | |
471 | struct net_device *dev, | |
472 | enum nl80211_iftype type, u32 *flags, | |
473 | struct vif_params *params) | |
474 | { | |
270e58e8 | 475 | int ret; |
5e6e3a92 | 476 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 477 | |
4f02341a | 478 | switch (dev->ieee80211_ptr->iftype) { |
5e6e3a92 | 479 | case NL80211_IFTYPE_ADHOC: |
4f02341a AP |
480 | switch (type) { |
481 | case NL80211_IFTYPE_STATION: | |
482 | break; | |
483 | case NL80211_IFTYPE_UNSPECIFIED: | |
484 | wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); | |
485 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ | |
486 | return 0; | |
487 | case NL80211_IFTYPE_AP: | |
488 | default: | |
489 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
490 | dev->name, type); | |
491 | return -EOPNOTSUPP; | |
492 | } | |
5e6e3a92 BZ |
493 | break; |
494 | case NL80211_IFTYPE_STATION: | |
4f02341a AP |
495 | switch (type) { |
496 | case NL80211_IFTYPE_ADHOC: | |
497 | break; | |
498 | case NL80211_IFTYPE_UNSPECIFIED: | |
499 | wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); | |
500 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ | |
501 | return 0; | |
502 | case NL80211_IFTYPE_AP: | |
503 | default: | |
504 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
505 | dev->name, type); | |
506 | return -EOPNOTSUPP; | |
507 | } | |
508 | break; | |
509 | case NL80211_IFTYPE_AP: | |
510 | switch (type) { | |
511 | case NL80211_IFTYPE_UNSPECIFIED: | |
512 | wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); | |
513 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ | |
514 | return 0; | |
515 | case NL80211_IFTYPE_ADHOC: | |
516 | case NL80211_IFTYPE_STATION: | |
517 | default: | |
518 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
519 | dev->name, type); | |
520 | return -EOPNOTSUPP; | |
521 | } | |
5e6e3a92 | 522 | break; |
5e6e3a92 | 523 | default: |
4f02341a AP |
524 | wiphy_err(wiphy, "%s: unknown iftype: %d\n", |
525 | dev->name, dev->ieee80211_ptr->iftype); | |
526 | return -EOPNOTSUPP; | |
5e6e3a92 | 527 | } |
5e6e3a92 | 528 | |
4f02341a AP |
529 | dev->ieee80211_ptr->iftype = type; |
530 | priv->bss_mode = type; | |
600f5d90 | 531 | mwifiex_deauthenticate(priv, NULL); |
eecd8250 | 532 | |
f986b6d5 | 533 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
eecd8250 | 534 | |
600f5d90 AK |
535 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
536 | HostCmd_ACT_GEN_SET, 0, NULL); | |
eecd8250 | 537 | |
5e6e3a92 BZ |
538 | return ret; |
539 | } | |
540 | ||
541 | /* | |
542 | * This function dumps the station information on a buffer. | |
543 | * | |
544 | * The following information are shown - | |
545 | * - Total bytes transmitted | |
546 | * - Total bytes received | |
547 | * - Total packets transmitted | |
548 | * - Total packets received | |
549 | * - Signal quality level | |
550 | * - Transmission rate | |
551 | */ | |
552 | static int | |
553 | mwifiex_dump_station_info(struct mwifiex_private *priv, | |
554 | struct station_info *sinfo) | |
555 | { | |
006606c0 | 556 | u32 rate; |
5e6e3a92 BZ |
557 | |
558 | sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | | |
7013d3e2 AK |
559 | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | |
560 | STATION_INFO_TX_BITRATE | | |
561 | STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; | |
5e6e3a92 BZ |
562 | |
563 | /* Get signal information from the firmware */ | |
958a4a86 AK |
564 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
565 | HostCmd_ACT_GEN_GET, 0, NULL)) { | |
566 | dev_err(priv->adapter->dev, "failed to get signal information\n"); | |
567 | return -EFAULT; | |
5e6e3a92 BZ |
568 | } |
569 | ||
570 | if (mwifiex_drv_get_data_rate(priv, &rate)) { | |
571 | dev_err(priv->adapter->dev, "getting data rate\n"); | |
958a4a86 | 572 | return -EFAULT; |
5e6e3a92 BZ |
573 | } |
574 | ||
caf60a6c AK |
575 | /* Get DTIM period information from firmware */ |
576 | mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, | |
577 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, | |
578 | &priv->dtim_period); | |
579 | ||
4ec6f9c0 AK |
580 | /* |
581 | * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid | |
fe020120 | 582 | * MCS index values for us are 0 to 15. |
4ec6f9c0 | 583 | */ |
fe020120 | 584 | if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { |
4ec6f9c0 AK |
585 | sinfo->txrate.mcs = priv->tx_rate; |
586 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
587 | /* 40MHz rate */ | |
588 | if (priv->tx_htinfo & BIT(1)) | |
589 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
590 | /* SGI enabled */ | |
591 | if (priv->tx_htinfo & BIT(2)) | |
592 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
593 | } | |
594 | ||
7013d3e2 | 595 | sinfo->signal_avg = priv->bcn_rssi_avg; |
5e6e3a92 BZ |
596 | sinfo->rx_bytes = priv->stats.rx_bytes; |
597 | sinfo->tx_bytes = priv->stats.tx_bytes; | |
598 | sinfo->rx_packets = priv->stats.rx_packets; | |
599 | sinfo->tx_packets = priv->stats.tx_packets; | |
958a4a86 | 600 | sinfo->signal = priv->bcn_rssi_avg; |
4ec6f9c0 | 601 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
006606c0 | 602 | sinfo->txrate.legacy = rate * 5; |
5e6e3a92 | 603 | |
c4f3b972 AK |
604 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
605 | sinfo->filled |= STATION_INFO_BSS_PARAM; | |
606 | sinfo->bss_param.flags = 0; | |
607 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
608 | WLAN_CAPABILITY_SHORT_PREAMBLE) | |
609 | sinfo->bss_param.flags |= | |
610 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
611 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
612 | WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
613 | sinfo->bss_param.flags |= | |
614 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
caf60a6c | 615 | sinfo->bss_param.dtim_period = priv->dtim_period; |
c4f3b972 AK |
616 | sinfo->bss_param.beacon_interval = |
617 | priv->curr_bss_params.bss_descriptor.beacon_period; | |
618 | } | |
619 | ||
958a4a86 | 620 | return 0; |
5e6e3a92 BZ |
621 | } |
622 | ||
623 | /* | |
624 | * CFG802.11 operation handler to get station information. | |
625 | * | |
626 | * This function only works in connected mode, and dumps the | |
627 | * requested station information, if available. | |
628 | */ | |
629 | static int | |
630 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, | |
631 | u8 *mac, struct station_info *sinfo) | |
632 | { | |
633 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
5e6e3a92 | 634 | |
5e6e3a92 BZ |
635 | if (!priv->media_connected) |
636 | return -ENOENT; | |
637 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) | |
638 | return -ENOENT; | |
639 | ||
636c4598 | 640 | return mwifiex_dump_station_info(priv, sinfo); |
5e6e3a92 BZ |
641 | } |
642 | ||
f85aae6b AK |
643 | /* |
644 | * CFG802.11 operation handler to dump station information. | |
645 | */ | |
646 | static int | |
647 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
648 | int idx, u8 *mac, struct station_info *sinfo) | |
649 | { | |
650 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
651 | ||
652 | if (!priv->media_connected || idx) | |
653 | return -ENOENT; | |
654 | ||
655 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); | |
656 | ||
657 | return mwifiex_dump_station_info(priv, sinfo); | |
658 | } | |
659 | ||
5e6e3a92 BZ |
660 | /* Supported rates to be advertised to the cfg80211 */ |
661 | ||
662 | static struct ieee80211_rate mwifiex_rates[] = { | |
663 | {.bitrate = 10, .hw_value = 2, }, | |
664 | {.bitrate = 20, .hw_value = 4, }, | |
665 | {.bitrate = 55, .hw_value = 11, }, | |
666 | {.bitrate = 110, .hw_value = 22, }, | |
5e6e3a92 BZ |
667 | {.bitrate = 60, .hw_value = 12, }, |
668 | {.bitrate = 90, .hw_value = 18, }, | |
669 | {.bitrate = 120, .hw_value = 24, }, | |
670 | {.bitrate = 180, .hw_value = 36, }, | |
671 | {.bitrate = 240, .hw_value = 48, }, | |
672 | {.bitrate = 360, .hw_value = 72, }, | |
673 | {.bitrate = 480, .hw_value = 96, }, | |
674 | {.bitrate = 540, .hw_value = 108, }, | |
5e6e3a92 BZ |
675 | }; |
676 | ||
677 | /* Channel definitions to be advertised to cfg80211 */ | |
678 | ||
679 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { | |
680 | {.center_freq = 2412, .hw_value = 1, }, | |
681 | {.center_freq = 2417, .hw_value = 2, }, | |
682 | {.center_freq = 2422, .hw_value = 3, }, | |
683 | {.center_freq = 2427, .hw_value = 4, }, | |
684 | {.center_freq = 2432, .hw_value = 5, }, | |
685 | {.center_freq = 2437, .hw_value = 6, }, | |
686 | {.center_freq = 2442, .hw_value = 7, }, | |
687 | {.center_freq = 2447, .hw_value = 8, }, | |
688 | {.center_freq = 2452, .hw_value = 9, }, | |
689 | {.center_freq = 2457, .hw_value = 10, }, | |
690 | {.center_freq = 2462, .hw_value = 11, }, | |
691 | {.center_freq = 2467, .hw_value = 12, }, | |
692 | {.center_freq = 2472, .hw_value = 13, }, | |
693 | {.center_freq = 2484, .hw_value = 14, }, | |
694 | }; | |
695 | ||
696 | static struct ieee80211_supported_band mwifiex_band_2ghz = { | |
697 | .channels = mwifiex_channels_2ghz, | |
698 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), | |
699 | .bitrates = mwifiex_rates, | |
8763848e | 700 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
5e6e3a92 BZ |
701 | }; |
702 | ||
703 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { | |
704 | {.center_freq = 5040, .hw_value = 8, }, | |
705 | {.center_freq = 5060, .hw_value = 12, }, | |
706 | {.center_freq = 5080, .hw_value = 16, }, | |
707 | {.center_freq = 5170, .hw_value = 34, }, | |
708 | {.center_freq = 5190, .hw_value = 38, }, | |
709 | {.center_freq = 5210, .hw_value = 42, }, | |
710 | {.center_freq = 5230, .hw_value = 46, }, | |
711 | {.center_freq = 5180, .hw_value = 36, }, | |
712 | {.center_freq = 5200, .hw_value = 40, }, | |
713 | {.center_freq = 5220, .hw_value = 44, }, | |
714 | {.center_freq = 5240, .hw_value = 48, }, | |
715 | {.center_freq = 5260, .hw_value = 52, }, | |
716 | {.center_freq = 5280, .hw_value = 56, }, | |
717 | {.center_freq = 5300, .hw_value = 60, }, | |
718 | {.center_freq = 5320, .hw_value = 64, }, | |
719 | {.center_freq = 5500, .hw_value = 100, }, | |
720 | {.center_freq = 5520, .hw_value = 104, }, | |
721 | {.center_freq = 5540, .hw_value = 108, }, | |
722 | {.center_freq = 5560, .hw_value = 112, }, | |
723 | {.center_freq = 5580, .hw_value = 116, }, | |
724 | {.center_freq = 5600, .hw_value = 120, }, | |
725 | {.center_freq = 5620, .hw_value = 124, }, | |
726 | {.center_freq = 5640, .hw_value = 128, }, | |
727 | {.center_freq = 5660, .hw_value = 132, }, | |
728 | {.center_freq = 5680, .hw_value = 136, }, | |
729 | {.center_freq = 5700, .hw_value = 140, }, | |
730 | {.center_freq = 5745, .hw_value = 149, }, | |
731 | {.center_freq = 5765, .hw_value = 153, }, | |
732 | {.center_freq = 5785, .hw_value = 157, }, | |
733 | {.center_freq = 5805, .hw_value = 161, }, | |
734 | {.center_freq = 5825, .hw_value = 165, }, | |
735 | }; | |
736 | ||
737 | static struct ieee80211_supported_band mwifiex_band_5ghz = { | |
738 | .channels = mwifiex_channels_5ghz, | |
739 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), | |
eb416ad3 AP |
740 | .bitrates = mwifiex_rates + 4, |
741 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, | |
5e6e3a92 BZ |
742 | }; |
743 | ||
744 | ||
745 | /* Supported crypto cipher suits to be advertised to cfg80211 */ | |
746 | ||
747 | static const u32 mwifiex_cipher_suites[] = { | |
748 | WLAN_CIPHER_SUITE_WEP40, | |
749 | WLAN_CIPHER_SUITE_WEP104, | |
750 | WLAN_CIPHER_SUITE_TKIP, | |
751 | WLAN_CIPHER_SUITE_CCMP, | |
53b11231 | 752 | WLAN_CIPHER_SUITE_AES_CMAC, |
5e6e3a92 BZ |
753 | }; |
754 | ||
5d82c53a YAP |
755 | /* |
756 | * CFG802.11 operation handler for setting bit rates. | |
757 | * | |
433c3990 AK |
758 | * Function configures data rates to firmware using bitrate mask |
759 | * provided by cfg80211. | |
5d82c53a YAP |
760 | */ |
761 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, | |
762 | struct net_device *dev, | |
763 | const u8 *peer, | |
764 | const struct cfg80211_bitrate_mask *mask) | |
765 | { | |
5d82c53a | 766 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
433c3990 AK |
767 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
768 | enum ieee80211_band band; | |
5d82c53a | 769 | |
433c3990 AK |
770 | if (!priv->media_connected) { |
771 | dev_err(priv->adapter->dev, | |
772 | "Can not set Tx data rate in disconnected state\n"); | |
773 | return -EINVAL; | |
5d82c53a YAP |
774 | } |
775 | ||
433c3990 | 776 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5d82c53a | 777 | |
433c3990 | 778 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
5d82c53a | 779 | |
433c3990 AK |
780 | /* Fill HR/DSSS rates. */ |
781 | if (band == IEEE80211_BAND_2GHZ) | |
782 | bitmap_rates[0] = mask->control[band].legacy & 0x000f; | |
5d82c53a | 783 | |
433c3990 AK |
784 | /* Fill OFDM rates */ |
785 | if (band == IEEE80211_BAND_2GHZ) | |
786 | bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; | |
787 | else | |
788 | bitmap_rates[1] = mask->control[band].legacy; | |
789 | ||
790 | /* Fill MCS rates */ | |
791 | bitmap_rates[2] = mask->control[band].mcs[0]; | |
792 | if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) | |
793 | bitmap_rates[2] |= mask->control[band].mcs[1] << 8; | |
794 | ||
795 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, | |
796 | HostCmd_ACT_GEN_SET, 0, bitmap_rates); | |
5d82c53a YAP |
797 | } |
798 | ||
fa444bf8 AK |
799 | /* |
800 | * CFG802.11 operation handler for connection quality monitoring. | |
801 | * | |
802 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI | |
803 | * events to FW. | |
804 | */ | |
805 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, | |
806 | struct net_device *dev, | |
807 | s32 rssi_thold, u32 rssi_hyst) | |
808 | { | |
809 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
810 | struct mwifiex_ds_misc_subsc_evt subsc_evt; | |
811 | ||
812 | priv->cqm_rssi_thold = rssi_thold; | |
813 | priv->cqm_rssi_hyst = rssi_hyst; | |
814 | ||
815 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); | |
816 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; | |
817 | ||
818 | /* Subscribe/unsubscribe low and high rssi events */ | |
819 | if (rssi_thold && rssi_hyst) { | |
820 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; | |
821 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); | |
822 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); | |
823 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; | |
824 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; | |
825 | return mwifiex_send_cmd_sync(priv, | |
826 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
827 | 0, 0, &subsc_evt); | |
828 | } else { | |
829 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; | |
830 | return mwifiex_send_cmd_sync(priv, | |
831 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
832 | 0, 0, &subsc_evt); | |
833 | } | |
834 | ||
835 | return 0; | |
836 | } | |
837 | ||
5370c836 AP |
838 | /* cfg80211 operation handler for change_beacon. |
839 | * Function retrieves and sets modified management IEs to FW. | |
840 | */ | |
841 | static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, | |
842 | struct net_device *dev, | |
843 | struct cfg80211_beacon_data *data) | |
844 | { | |
845 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
846 | ||
847 | if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) { | |
848 | wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__); | |
849 | return -EINVAL; | |
850 | } | |
851 | ||
852 | if (!priv->bss_started) { | |
853 | wiphy_err(wiphy, "%s: bss not started\n", __func__); | |
854 | return -EINVAL; | |
855 | } | |
856 | ||
857 | if (mwifiex_set_mgmt_ies(priv, data)) { | |
858 | wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__); | |
859 | return -EFAULT; | |
860 | } | |
861 | ||
862 | return 0; | |
863 | } | |
864 | ||
8a279d5b AK |
865 | static int |
866 | mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) | |
867 | { | |
868 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); | |
869 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, | |
870 | MWIFIEX_BSS_ROLE_ANY); | |
871 | struct mwifiex_ds_ant_cfg ant_cfg; | |
872 | ||
873 | if (!tx_ant || !rx_ant) | |
874 | return -EOPNOTSUPP; | |
875 | ||
876 | if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { | |
877 | /* Not a MIMO chip. User should provide specific antenna number | |
878 | * for Tx/Rx path or enable all antennas for diversity | |
879 | */ | |
880 | if (tx_ant != rx_ant) | |
881 | return -EOPNOTSUPP; | |
882 | ||
883 | if ((tx_ant & (tx_ant - 1)) && | |
884 | (tx_ant != BIT(adapter->number_of_antenna) - 1)) | |
885 | return -EOPNOTSUPP; | |
886 | ||
887 | if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && | |
888 | (priv->adapter->number_of_antenna > 1)) { | |
889 | tx_ant = RF_ANTENNA_AUTO; | |
890 | rx_ant = RF_ANTENNA_AUTO; | |
891 | } | |
892 | } | |
893 | ||
894 | ant_cfg.tx_ant = tx_ant; | |
895 | ant_cfg.rx_ant = rx_ant; | |
896 | ||
897 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA, | |
898 | HostCmd_ACT_GEN_SET, 0, &ant_cfg); | |
899 | } | |
900 | ||
12190c5d AP |
901 | /* cfg80211 operation handler for stop ap. |
902 | * Function stops BSS running at uAP interface. | |
903 | */ | |
904 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) | |
905 | { | |
906 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
907 | ||
40bbc21a AP |
908 | if (mwifiex_del_mgmt_ies(priv)) |
909 | wiphy_err(wiphy, "Failed to delete mgmt IEs!\n"); | |
910 | ||
c8258913 AP |
911 | priv->ap_11n_enabled = 0; |
912 | ||
12190c5d AP |
913 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
914 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
915 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
916 | return -1; | |
917 | } | |
918 | ||
919 | return 0; | |
920 | } | |
921 | ||
922 | /* cfg80211 operation handler for start_ap. | |
923 | * Function sets beacon period, DTIM period, SSID and security into | |
924 | * AP config structure. | |
925 | * AP is configured with these settings and BSS is started. | |
926 | */ | |
927 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, | |
928 | struct net_device *dev, | |
929 | struct cfg80211_ap_settings *params) | |
930 | { | |
931 | struct mwifiex_uap_bss_param *bss_cfg; | |
932 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
05910f4a | 933 | u8 config_bands = 0; |
12190c5d | 934 | |
f752dcd5 AP |
935 | if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) |
936 | return -1; | |
adb6ed0c | 937 | if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) |
f31acabe | 938 | return -1; |
f752dcd5 | 939 | |
12190c5d AP |
940 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); |
941 | if (!bss_cfg) | |
942 | return -ENOMEM; | |
943 | ||
944 | mwifiex_set_sys_config_invalid_data(bss_cfg); | |
945 | ||
946 | if (params->beacon_interval) | |
947 | bss_cfg->beacon_period = params->beacon_interval; | |
948 | if (params->dtim_period) | |
949 | bss_cfg->dtim_period = params->dtim_period; | |
950 | ||
951 | if (params->ssid && params->ssid_len) { | |
952 | memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); | |
953 | bss_cfg->ssid.ssid_len = params->ssid_len; | |
954 | } | |
955 | ||
7a1c9934 AP |
956 | switch (params->hidden_ssid) { |
957 | case NL80211_HIDDEN_SSID_NOT_IN_USE: | |
958 | bss_cfg->bcast_ssid_ctl = 1; | |
959 | break; | |
960 | case NL80211_HIDDEN_SSID_ZERO_LEN: | |
961 | bss_cfg->bcast_ssid_ctl = 0; | |
962 | break; | |
963 | case NL80211_HIDDEN_SSID_ZERO_CONTENTS: | |
964 | /* firmware doesn't support this type of hidden SSID */ | |
965 | default: | |
b3190466 | 966 | kfree(bss_cfg); |
7a1c9934 AP |
967 | return -EINVAL; |
968 | } | |
969 | ||
0abd79e5 AP |
970 | bss_cfg->channel = |
971 | (u8)ieee80211_frequency_to_channel(params->channel->center_freq); | |
0abd79e5 | 972 | |
05910f4a AK |
973 | /* Set appropriate bands */ |
974 | if (params->channel->band == IEEE80211_BAND_2GHZ) { | |
a3c2c4f6 AP |
975 | bss_cfg->band_cfg = BAND_CONFIG_BG; |
976 | ||
05910f4a AK |
977 | if (params->channel_type == NL80211_CHAN_NO_HT) |
978 | config_bands = BAND_B | BAND_G; | |
979 | else | |
980 | config_bands = BAND_B | BAND_G | BAND_GN; | |
981 | } else { | |
a3c2c4f6 AP |
982 | bss_cfg->band_cfg = BAND_CONFIG_A; |
983 | ||
05910f4a AK |
984 | if (params->channel_type == NL80211_CHAN_NO_HT) |
985 | config_bands = BAND_A; | |
986 | else | |
987 | config_bands = BAND_AN | BAND_A; | |
0abd79e5 AP |
988 | } |
989 | ||
05910f4a AK |
990 | if (!((config_bands | priv->adapter->fw_bands) & |
991 | ~priv->adapter->fw_bands)) | |
992 | priv->adapter->config_bands = config_bands; | |
993 | ||
a3c2c4f6 | 994 | mwifiex_set_uap_rates(bss_cfg, params); |
05910f4a AK |
995 | mwifiex_send_domain_info_cmd_fw(wiphy); |
996 | ||
f752dcd5 AP |
997 | if (mwifiex_set_secure_params(priv, bss_cfg, params)) { |
998 | kfree(bss_cfg); | |
999 | wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); | |
1000 | return -1; | |
1001 | } | |
1002 | ||
22281256 AP |
1003 | mwifiex_set_ht_params(priv, bss_cfg, params); |
1004 | ||
12190c5d AP |
1005 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
1006 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
1007 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
1008 | kfree(bss_cfg); | |
1009 | return -1; | |
1010 | } | |
1011 | ||
1012 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, | |
e76268da AP |
1013 | HostCmd_ACT_GEN_SET, |
1014 | UAP_BSS_PARAMS_I, bss_cfg)) { | |
12190c5d AP |
1015 | wiphy_err(wiphy, "Failed to set the SSID\n"); |
1016 | kfree(bss_cfg); | |
1017 | return -1; | |
1018 | } | |
1019 | ||
1020 | kfree(bss_cfg); | |
1021 | ||
1022 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START, | |
1023 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
1024 | wiphy_err(wiphy, "Failed to start the BSS\n"); | |
1025 | return -1; | |
1026 | } | |
1027 | ||
96893538 AP |
1028 | if (priv->sec_info.wep_enabled) |
1029 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; | |
1030 | else | |
1031 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; | |
1032 | ||
1033 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, | |
1034 | HostCmd_ACT_GEN_SET, 0, | |
1035 | &priv->curr_pkt_filter)) | |
1036 | return -1; | |
1037 | ||
12190c5d AP |
1038 | return 0; |
1039 | } | |
1040 | ||
5e6e3a92 BZ |
1041 | /* |
1042 | * CFG802.11 operation handler for disconnection request. | |
1043 | * | |
1044 | * This function does not work when there is already a disconnection | |
1045 | * procedure going on. | |
1046 | */ | |
1047 | static int | |
1048 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
1049 | u16 reason_code) | |
1050 | { | |
1051 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1052 | ||
600f5d90 | 1053 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1054 | return -EFAULT; |
1055 | ||
1056 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" | |
1057 | " reason code %d\n", priv->cfg_bssid, reason_code); | |
1058 | ||
38c9d664 | 1059 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1060 | |
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * This function informs the CFG802.11 subsystem of a new IBSS. | |
1066 | * | |
1067 | * The following information are sent to the CFG802.11 subsystem | |
1068 | * to register the new IBSS. If we do not register the new IBSS, | |
1069 | * a kernel panic will result. | |
1070 | * - SSID | |
1071 | * - SSID length | |
1072 | * - BSSID | |
1073 | * - Channel | |
1074 | */ | |
1075 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) | |
1076 | { | |
5e6e3a92 BZ |
1077 | struct ieee80211_channel *chan; |
1078 | struct mwifiex_bss_info bss_info; | |
aa95a48d | 1079 | struct cfg80211_bss *bss; |
270e58e8 | 1080 | int ie_len; |
5e6e3a92 | 1081 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
4ed5d521 | 1082 | enum ieee80211_band band; |
5e6e3a92 | 1083 | |
636c4598 YAP |
1084 | if (mwifiex_get_bss_info(priv, &bss_info)) |
1085 | return -1; | |
5e6e3a92 BZ |
1086 | |
1087 | ie_buf[0] = WLAN_EID_SSID; | |
1088 | ie_buf[1] = bss_info.ssid.ssid_len; | |
1089 | ||
1090 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], | |
aea0701e | 1091 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
5e6e3a92 BZ |
1092 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
1093 | ||
4ed5d521 | 1094 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5e6e3a92 BZ |
1095 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
1096 | ieee80211_channel_to_frequency(bss_info.bss_chan, | |
4ed5d521 | 1097 | band)); |
5e6e3a92 | 1098 | |
aa95a48d | 1099 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
aea0701e YAP |
1100 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
1101 | 0, ie_buf, ie_len, 0, GFP_KERNEL); | |
aa95a48d | 1102 | cfg80211_put_bss(bss); |
5e6e3a92 BZ |
1103 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
1104 | ||
636c4598 | 1105 | return 0; |
5e6e3a92 BZ |
1106 | } |
1107 | ||
5e6e3a92 BZ |
1108 | /* |
1109 | * This function connects with a BSS. | |
1110 | * | |
1111 | * This function handles both Infra and Ad-Hoc modes. It also performs | |
1112 | * validity checking on the provided parameters, disconnects from the | |
1113 | * current BSS (if any), sets up the association/scan parameters, | |
1114 | * including security settings, and performs specific SSID scan before | |
1115 | * trying to connect. | |
1116 | * | |
1117 | * For Infra mode, the function returns failure if the specified SSID | |
1118 | * is not found in scan table. However, for Ad-Hoc mode, it can create | |
1119 | * the IBSS if it does not exist. On successful completion in either case, | |
7c6fa2a8 | 1120 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
5e6e3a92 BZ |
1121 | */ |
1122 | static int | |
1123 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, | |
1124 | u8 *bssid, int mode, struct ieee80211_channel *channel, | |
1125 | struct cfg80211_connect_params *sme, bool privacy) | |
1126 | { | |
b9be5f39 | 1127 | struct cfg80211_ssid req_ssid; |
270e58e8 | 1128 | int ret, auth_type = 0; |
7c6fa2a8 | 1129 | struct cfg80211_bss *bss = NULL; |
05910f4a | 1130 | u8 is_scanning_required = 0, config_bands = 0; |
5e6e3a92 | 1131 | |
b9be5f39 | 1132 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
5e6e3a92 BZ |
1133 | |
1134 | req_ssid.ssid_len = ssid_len; | |
1135 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
1136 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1137 | return -EINVAL; | |
1138 | } | |
1139 | ||
1140 | memcpy(req_ssid.ssid, ssid, ssid_len); | |
1141 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { | |
1142 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1143 | return -EINVAL; | |
1144 | } | |
1145 | ||
1146 | /* disconnect before try to associate */ | |
600f5d90 | 1147 | mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 | 1148 | |
05910f4a AK |
1149 | if (channel) { |
1150 | if (mode == NL80211_IFTYPE_STATION) { | |
1151 | if (channel->band == IEEE80211_BAND_2GHZ) | |
1152 | config_bands = BAND_B | BAND_G | BAND_GN; | |
1153 | else | |
1154 | config_bands = BAND_A | BAND_AN; | |
1155 | ||
1156 | if (!((config_bands | priv->adapter->fw_bands) & | |
1157 | ~priv->adapter->fw_bands)) | |
1158 | priv->adapter->config_bands = config_bands; | |
1159 | } | |
1160 | mwifiex_send_domain_info_cmd_fw(priv->wdev->wiphy); | |
1161 | } | |
5e6e3a92 | 1162 | |
6670f15b AK |
1163 | /* As this is new association, clear locally stored |
1164 | * keys and security related flags */ | |
1165 | priv->sec_info.wpa_enabled = false; | |
1166 | priv->sec_info.wpa2_enabled = false; | |
1167 | priv->wep_key_curr_index = 0; | |
00f157b4 | 1168 | priv->sec_info.encryption_mode = 0; |
a0f6d6ca | 1169 | priv->sec_info.is_authtype_auto = 0; |
53b11231 | 1170 | ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); |
5e6e3a92 | 1171 | |
eecd8250 | 1172 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1173 | /* "privacy" is set only for ad-hoc mode */ |
1174 | if (privacy) { | |
1175 | /* | |
2be50b8d | 1176 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
5e6e3a92 BZ |
1177 | * the firmware can find a matching network from the |
1178 | * scan. The cfg80211 does not give us the encryption | |
1179 | * mode at this stage so just setting it to WEP here. | |
1180 | */ | |
203afeca | 1181 | priv->sec_info.encryption_mode = |
2be50b8d | 1182 | WLAN_CIPHER_SUITE_WEP104; |
203afeca | 1183 | priv->sec_info.authentication_mode = |
f986b6d5 | 1184 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 BZ |
1185 | } |
1186 | ||
1187 | goto done; | |
1188 | } | |
1189 | ||
1190 | /* Now handle infra mode. "sme" is valid for infra mode only */ | |
a0f6d6ca | 1191 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
f986b6d5 | 1192 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
a0f6d6ca AK |
1193 | priv->sec_info.is_authtype_auto = 1; |
1194 | } else { | |
1195 | auth_type = sme->auth_type; | |
1196 | } | |
5e6e3a92 BZ |
1197 | |
1198 | if (sme->crypto.n_ciphers_pairwise) { | |
2be50b8d YAP |
1199 | priv->sec_info.encryption_mode = |
1200 | sme->crypto.ciphers_pairwise[0]; | |
203afeca | 1201 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1202 | } |
1203 | ||
1204 | if (sme->crypto.cipher_group) { | |
2be50b8d | 1205 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
203afeca | 1206 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1207 | } |
1208 | if (sme->ie) | |
1209 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); | |
1210 | ||
1211 | if (sme->key) { | |
e6faada5 | 1212 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
5e6e3a92 BZ |
1213 | dev_dbg(priv->adapter->dev, |
1214 | "info: setting wep encryption" | |
1215 | " with key len %d\n", sme->key_len); | |
6670f15b | 1216 | priv->wep_key_curr_index = sme->key_idx; |
53b11231 YL |
1217 | ret = mwifiex_set_encode(priv, NULL, sme->key, |
1218 | sme->key_len, sme->key_idx, | |
1219 | NULL, 0); | |
5e6e3a92 BZ |
1220 | } |
1221 | } | |
1222 | done: | |
7c6fa2a8 AK |
1223 | /* |
1224 | * Scan entries are valid for some time (15 sec). So we can save one | |
1225 | * active scan time if we just try cfg80211_get_bss first. If it fails | |
1226 | * then request scan and cfg80211_get_bss() again for final output. | |
1227 | */ | |
1228 | while (1) { | |
1229 | if (is_scanning_required) { | |
1230 | /* Do specific SSID scanning */ | |
1231 | if (mwifiex_request_scan(priv, &req_ssid)) { | |
1232 | dev_err(priv->adapter->dev, "scan error\n"); | |
1233 | return -EFAULT; | |
1234 | } | |
1235 | } | |
5e6e3a92 | 1236 | |
7c6fa2a8 AK |
1237 | /* Find the BSS we want using available scan results */ |
1238 | if (mode == NL80211_IFTYPE_ADHOC) | |
1239 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1240 | bssid, ssid, ssid_len, | |
1241 | WLAN_CAPABILITY_IBSS, | |
1242 | WLAN_CAPABILITY_IBSS); | |
1243 | else | |
1244 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1245 | bssid, ssid, ssid_len, | |
1246 | WLAN_CAPABILITY_ESS, | |
1247 | WLAN_CAPABILITY_ESS); | |
1248 | ||
1249 | if (!bss) { | |
1250 | if (is_scanning_required) { | |
aea0701e YAP |
1251 | dev_warn(priv->adapter->dev, |
1252 | "assoc: requested bss not found in scan results\n"); | |
7c6fa2a8 AK |
1253 | break; |
1254 | } | |
1255 | is_scanning_required = 1; | |
1256 | } else { | |
aea0701e YAP |
1257 | dev_dbg(priv->adapter->dev, |
1258 | "info: trying to associate to '%s' bssid %pM\n", | |
1259 | (char *) req_ssid.ssid, bss->bssid); | |
7c6fa2a8 AK |
1260 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
1261 | break; | |
1262 | } | |
5e6e3a92 BZ |
1263 | } |
1264 | ||
7c6fa2a8 | 1265 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
5e6e3a92 BZ |
1266 | return -EFAULT; |
1267 | ||
eecd8250 | 1268 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1269 | /* Inform the BSS information to kernel, otherwise |
1270 | * kernel will give a panic after successful assoc */ | |
1271 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) | |
1272 | return -EFAULT; | |
1273 | } | |
1274 | ||
1275 | return ret; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * CFG802.11 operation handler for association request. | |
1280 | * | |
1281 | * This function does not work when the current mode is set to Ad-Hoc, or | |
1282 | * when there is already an association procedure going on. The given BSS | |
1283 | * information is used to associate. | |
1284 | */ | |
1285 | static int | |
1286 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, | |
1287 | struct cfg80211_connect_params *sme) | |
1288 | { | |
1289 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1290 | int ret = 0; | |
5e6e3a92 | 1291 | |
eecd8250 | 1292 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1293 | wiphy_err(wiphy, "received infra assoc request " |
1294 | "when station is in ibss mode\n"); | |
1295 | goto done; | |
1296 | } | |
1297 | ||
e568634a AP |
1298 | if (priv->bss_mode == NL80211_IFTYPE_AP) { |
1299 | wiphy_err(wiphy, "skip association request for AP interface\n"); | |
1300 | goto done; | |
1301 | } | |
1302 | ||
5e6e3a92 | 1303 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
aea0701e | 1304 | (char *) sme->ssid, sme->bssid); |
5e6e3a92 BZ |
1305 | |
1306 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, | |
eecd8250 | 1307 | priv->bss_mode, sme->channel, sme, 0); |
5e6e3a92 | 1308 | done: |
38c9d664 AK |
1309 | if (!ret) { |
1310 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, | |
1311 | NULL, 0, WLAN_STATUS_SUCCESS, | |
1312 | GFP_KERNEL); | |
1313 | dev_dbg(priv->adapter->dev, | |
1314 | "info: associated to bssid %pM successfully\n", | |
1315 | priv->cfg_bssid); | |
1316 | } else { | |
1317 | dev_dbg(priv->adapter->dev, | |
1318 | "info: association to bssid %pM failed\n", | |
1319 | priv->cfg_bssid); | |
1320 | memset(priv->cfg_bssid, 0, ETH_ALEN); | |
1321 | } | |
1322 | ||
5e6e3a92 BZ |
1323 | return ret; |
1324 | } | |
1325 | ||
05910f4a AK |
1326 | /* |
1327 | * This function sets following parameters for ibss network. | |
1328 | * - channel | |
1329 | * - start band | |
1330 | * - 11n flag | |
1331 | * - secondary channel offset | |
1332 | */ | |
1333 | static int mwifiex_set_ibss_params(struct mwifiex_private *priv, | |
1334 | struct cfg80211_ibss_params *params) | |
1335 | { | |
1336 | struct wiphy *wiphy = priv->wdev->wiphy; | |
1337 | struct mwifiex_adapter *adapter = priv->adapter; | |
1338 | int index = 0, i; | |
1339 | u8 config_bands = 0; | |
1340 | ||
1341 | if (params->channel->band == IEEE80211_BAND_2GHZ) { | |
1342 | if (!params->basic_rates) { | |
1343 | config_bands = BAND_B | BAND_G; | |
1344 | } else { | |
1345 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { | |
1346 | /* | |
1347 | * Rates below 6 Mbps in the table are CCK | |
1348 | * rates; 802.11b and from 6 they are OFDM; | |
1349 | * 802.11G | |
1350 | */ | |
1351 | if (mwifiex_rates[i].bitrate == 60) { | |
1352 | index = 1 << i; | |
1353 | break; | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | if (params->basic_rates < index) { | |
1358 | config_bands = BAND_B; | |
1359 | } else { | |
1360 | config_bands = BAND_G; | |
1361 | if (params->basic_rates % index) | |
1362 | config_bands |= BAND_B; | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | if (params->channel_type != NL80211_CHAN_NO_HT) | |
1367 | config_bands |= BAND_GN; | |
1368 | } else { | |
1369 | if (params->channel_type == NL80211_CHAN_NO_HT) | |
1370 | config_bands = BAND_A; | |
1371 | else | |
1372 | config_bands = BAND_AN | BAND_A; | |
1373 | } | |
1374 | ||
1375 | if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { | |
1376 | adapter->config_bands = config_bands; | |
1377 | adapter->adhoc_start_band = config_bands; | |
1378 | ||
1379 | if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) | |
1380 | adapter->adhoc_11n_enabled = true; | |
1381 | else | |
1382 | adapter->adhoc_11n_enabled = false; | |
1383 | } | |
1384 | ||
1385 | adapter->sec_chan_offset = | |
1386 | mwifiex_chan_type_to_sec_chan_offset(params->channel_type); | |
1387 | priv->adhoc_channel = | |
1388 | ieee80211_frequency_to_channel(params->channel->center_freq); | |
1389 | ||
1390 | wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n", | |
1391 | config_bands, priv->adhoc_channel, adapter->sec_chan_offset); | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | ||
5e6e3a92 BZ |
1396 | /* |
1397 | * CFG802.11 operation handler to join an IBSS. | |
1398 | * | |
1399 | * This function does not work in any mode other than Ad-Hoc, or if | |
1400 | * a join operation is already in progress. | |
1401 | */ | |
1402 | static int | |
1403 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1404 | struct cfg80211_ibss_params *params) | |
1405 | { | |
f540f9f3 | 1406 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1407 | int ret = 0; |
5e6e3a92 | 1408 | |
eecd8250 | 1409 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1410 | wiphy_err(wiphy, "request to join ibss received " |
1411 | "when station is not in ibss mode\n"); | |
1412 | goto done; | |
1413 | } | |
1414 | ||
5e6e3a92 | 1415 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
aea0701e | 1416 | (char *) params->ssid, params->bssid); |
5e6e3a92 | 1417 | |
05910f4a AK |
1418 | mwifiex_set_ibss_params(priv, params); |
1419 | ||
5e6e3a92 | 1420 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, |
aea0701e YAP |
1421 | params->bssid, priv->bss_mode, |
1422 | params->channel, NULL, params->privacy); | |
5e6e3a92 | 1423 | done: |
38c9d664 AK |
1424 | if (!ret) { |
1425 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); | |
1426 | dev_dbg(priv->adapter->dev, | |
1427 | "info: joined/created adhoc network with bssid" | |
1428 | " %pM successfully\n", priv->cfg_bssid); | |
1429 | } else { | |
1430 | dev_dbg(priv->adapter->dev, | |
1431 | "info: failed creating/joining adhoc network\n"); | |
1432 | } | |
1433 | ||
5e6e3a92 BZ |
1434 | return ret; |
1435 | } | |
1436 | ||
1437 | /* | |
1438 | * CFG802.11 operation handler to leave an IBSS. | |
1439 | * | |
1440 | * This function does not work if a leave operation is | |
1441 | * already in progress. | |
1442 | */ | |
1443 | static int | |
1444 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1445 | { | |
f540f9f3 | 1446 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1447 | |
5e6e3a92 | 1448 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
aea0701e | 1449 | priv->cfg_bssid); |
600f5d90 | 1450 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1451 | return -EFAULT; |
1452 | ||
38c9d664 | 1453 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1454 | |
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | /* | |
1459 | * CFG802.11 operation handler for scan request. | |
1460 | * | |
1461 | * This function issues a scan request to the firmware based upon | |
1462 | * the user specified scan configuration. On successfull completion, | |
1463 | * it also informs the results. | |
1464 | */ | |
1465 | static int | |
fd014284 | 1466 | mwifiex_cfg80211_scan(struct wiphy *wiphy, |
5e6e3a92 BZ |
1467 | struct cfg80211_scan_request *request) |
1468 | { | |
fd014284 | 1469 | struct net_device *dev = request->wdev->netdev; |
5e6e3a92 | 1470 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
38c9d664 AK |
1471 | int i; |
1472 | struct ieee80211_channel *chan; | |
5e6e3a92 BZ |
1473 | |
1474 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); | |
1475 | ||
5e6e3a92 BZ |
1476 | priv->scan_request = request; |
1477 | ||
38c9d664 | 1478 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
aea0701e | 1479 | GFP_KERNEL); |
38c9d664 AK |
1480 | if (!priv->user_scan_cfg) { |
1481 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); | |
1482 | return -ENOMEM; | |
1483 | } | |
be0b281e AK |
1484 | |
1485 | priv->user_scan_cfg->num_ssids = request->n_ssids; | |
1486 | priv->user_scan_cfg->ssid_list = request->ssids; | |
1487 | ||
13d7ba78 AP |
1488 | if (request->ie && request->ie_len) { |
1489 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1490 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) | |
1491 | continue; | |
1492 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; | |
1493 | memcpy(&priv->vs_ie[i].ie, request->ie, | |
1494 | request->ie_len); | |
1495 | break; | |
1496 | } | |
1497 | } | |
1498 | ||
38c9d664 AK |
1499 | for (i = 0; i < request->n_channels; i++) { |
1500 | chan = request->channels[i]; | |
1501 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; | |
1502 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; | |
1503 | ||
1504 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
1505 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1506 | MWIFIEX_SCAN_TYPE_PASSIVE; |
38c9d664 AK |
1507 | else |
1508 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1509 | MWIFIEX_SCAN_TYPE_ACTIVE; |
38c9d664 AK |
1510 | |
1511 | priv->user_scan_cfg->chan_list[i].scan_time = 0; | |
1512 | } | |
1a1fb970 | 1513 | if (mwifiex_scan_networks(priv, priv->user_scan_cfg)) |
38c9d664 AK |
1514 | return -EFAULT; |
1515 | ||
13d7ba78 AP |
1516 | if (request->ie && request->ie_len) { |
1517 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1518 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { | |
1519 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; | |
1520 | memset(&priv->vs_ie[i].ie, 0, | |
1521 | MWIFIEX_MAX_VSIE_LEN); | |
1522 | } | |
1523 | } | |
1524 | } | |
5e6e3a92 BZ |
1525 | return 0; |
1526 | } | |
1527 | ||
1528 | /* | |
1529 | * This function sets up the CFG802.11 specific HT capability fields | |
1530 | * with default values. | |
1531 | * | |
1532 | * The following default values are set - | |
1533 | * - HT Supported = True | |
a46b7b5c AK |
1534 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
1535 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE | |
1536 | * - HT Capabilities supported by firmware | |
5e6e3a92 BZ |
1537 | * - MCS information, Rx mask = 0xff |
1538 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) | |
1539 | */ | |
1540 | static void | |
1541 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, | |
1542 | struct mwifiex_private *priv) | |
1543 | { | |
1544 | int rx_mcs_supp; | |
1545 | struct ieee80211_mcs_info mcs_set; | |
1546 | u8 *mcs = (u8 *)&mcs_set; | |
1547 | struct mwifiex_adapter *adapter = priv->adapter; | |
1548 | ||
1549 | ht_info->ht_supported = true; | |
a46b7b5c AK |
1550 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
1551 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; | |
5e6e3a92 BZ |
1552 | |
1553 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
5e6e3a92 | 1554 | |
a46b7b5c AK |
1555 | /* Fill HT capability information */ |
1556 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) | |
1557 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1558 | else | |
1559 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1560 | ||
1561 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) | |
1562 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1563 | else | |
1564 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; | |
1565 | ||
1566 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) | |
1567 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1568 | else | |
1569 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; | |
1570 | ||
1571 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1572 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1573 | else | |
1574 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); | |
1575 | ||
1576 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1577 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; | |
1578 | else | |
1579 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; | |
1580 | ||
1581 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
1582 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; | |
1583 | ||
1584 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); | |
5e6e3a92 BZ |
1585 | /* Set MCS for 1x1 */ |
1586 | memset(mcs, 0xff, rx_mcs_supp); | |
1587 | /* Clear all the other values */ | |
1588 | memset(&mcs[rx_mcs_supp], 0, | |
aea0701e | 1589 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
eecd8250 | 1590 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
aea0701e | 1591 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
5e6e3a92 BZ |
1592 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
1593 | SETHT_MCS32(mcs_set.rx_mask); | |
1594 | ||
1595 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); | |
1596 | ||
1597 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1598 | } | |
1599 | ||
93a1df48 YAP |
1600 | /* |
1601 | * create a new virtual interface with the given name | |
1602 | */ | |
84efbb84 JB |
1603 | struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, |
1604 | char *name, | |
1605 | enum nl80211_iftype type, | |
1606 | u32 *flags, | |
1607 | struct vif_params *params) | |
93a1df48 | 1608 | { |
67fdf39e AP |
1609 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
1610 | struct mwifiex_private *priv; | |
93a1df48 YAP |
1611 | struct net_device *dev; |
1612 | void *mdev_priv; | |
d6bffe8b | 1613 | struct wireless_dev *wdev; |
93a1df48 | 1614 | |
93a1df48 | 1615 | if (!adapter) |
858faa57 | 1616 | return ERR_PTR(-EFAULT); |
93a1df48 YAP |
1617 | |
1618 | switch (type) { | |
1619 | case NL80211_IFTYPE_UNSPECIFIED: | |
1620 | case NL80211_IFTYPE_STATION: | |
1621 | case NL80211_IFTYPE_ADHOC: | |
d6bffe8b | 1622 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
93a1df48 | 1623 | if (priv->bss_mode) { |
d6bffe8b AP |
1624 | wiphy_err(wiphy, |
1625 | "cannot create multiple sta/adhoc ifaces\n"); | |
858faa57 | 1626 | return ERR_PTR(-EINVAL); |
93a1df48 YAP |
1627 | } |
1628 | ||
d6bffe8b AP |
1629 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
1630 | if (!wdev) | |
858faa57 | 1631 | return ERR_PTR(-ENOMEM); |
d6bffe8b AP |
1632 | |
1633 | wdev->wiphy = wiphy; | |
1634 | priv->wdev = wdev; | |
1635 | wdev->iftype = NL80211_IFTYPE_STATION; | |
1636 | ||
93a1df48 YAP |
1637 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
1638 | priv->bss_mode = NL80211_IFTYPE_STATION; | |
1639 | else | |
1640 | priv->bss_mode = type; | |
1641 | ||
1642 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; | |
1643 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
d6bffe8b | 1644 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
93a1df48 | 1645 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
93a1df48 YAP |
1646 | priv->bss_num = 0; |
1647 | ||
d6bffe8b AP |
1648 | break; |
1649 | case NL80211_IFTYPE_AP: | |
1650 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; | |
1651 | ||
1652 | if (priv->bss_mode) { | |
1653 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); | |
858faa57 | 1654 | return ERR_PTR(-EINVAL); |
d6bffe8b AP |
1655 | } |
1656 | ||
1657 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); | |
1658 | if (!wdev) | |
858faa57 | 1659 | return ERR_PTR(-ENOMEM); |
d6bffe8b AP |
1660 | |
1661 | priv->wdev = wdev; | |
1662 | wdev->wiphy = wiphy; | |
1663 | wdev->iftype = NL80211_IFTYPE_AP; | |
1664 | ||
1665 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; | |
1666 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
1667 | priv->bss_priority = MWIFIEX_BSS_ROLE_UAP; | |
1668 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; | |
1669 | priv->bss_started = 0; | |
1670 | priv->bss_num = 0; | |
1671 | priv->bss_mode = type; | |
1672 | ||
93a1df48 YAP |
1673 | break; |
1674 | default: | |
1675 | wiphy_err(wiphy, "type not supported\n"); | |
858faa57 | 1676 | return ERR_PTR(-EINVAL); |
93a1df48 YAP |
1677 | } |
1678 | ||
1679 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, | |
1680 | ether_setup, 1); | |
1681 | if (!dev) { | |
1682 | wiphy_err(wiphy, "no memory available for netdevice\n"); | |
858faa57 BZ |
1683 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1684 | return ERR_PTR(-ENOMEM); | |
93a1df48 YAP |
1685 | } |
1686 | ||
d6bffe8b AP |
1687 | mwifiex_init_priv_params(priv, dev); |
1688 | priv->netdev = dev; | |
1689 | ||
1690 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); | |
1691 | ||
1692 | if (adapter->config_bands & BAND_A) | |
1693 | mwifiex_setup_ht_caps( | |
1694 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); | |
1695 | ||
93a1df48 YAP |
1696 | dev_net_set(dev, wiphy_net(wiphy)); |
1697 | dev->ieee80211_ptr = priv->wdev; | |
1698 | dev->ieee80211_ptr->iftype = priv->bss_mode; | |
1699 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); | |
1700 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); | |
1701 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); | |
1702 | ||
1703 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
1704 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; | |
1705 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; | |
1706 | ||
1707 | mdev_priv = netdev_priv(dev); | |
1708 | *((unsigned long *) mdev_priv) = (unsigned long) priv; | |
1709 | ||
93a1df48 YAP |
1710 | SET_NETDEV_DEV(dev, adapter->dev); |
1711 | ||
1712 | /* Register network device */ | |
1713 | if (register_netdevice(dev)) { | |
1714 | wiphy_err(wiphy, "cannot register virtual network device\n"); | |
858faa57 BZ |
1715 | free_netdev(dev); |
1716 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; | |
1717 | return ERR_PTR(-EFAULT); | |
93a1df48 YAP |
1718 | } |
1719 | ||
1720 | sema_init(&priv->async_sem, 1); | |
1721 | priv->scan_pending_on_block = false; | |
1722 | ||
1723 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); | |
1724 | ||
1725 | #ifdef CONFIG_DEBUG_FS | |
1726 | mwifiex_dev_debugfs_init(priv); | |
1727 | #endif | |
84efbb84 | 1728 | return wdev; |
93a1df48 YAP |
1729 | } |
1730 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); | |
1731 | ||
1732 | /* | |
1733 | * del_virtual_intf: remove the virtual interface determined by dev | |
1734 | */ | |
84efbb84 | 1735 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
93a1df48 | 1736 | { |
84efbb84 | 1737 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
93a1df48 YAP |
1738 | |
1739 | #ifdef CONFIG_DEBUG_FS | |
1740 | mwifiex_dev_debugfs_remove(priv); | |
1741 | #endif | |
1742 | ||
1743 | if (!netif_queue_stopped(priv->netdev)) | |
1744 | netif_stop_queue(priv->netdev); | |
1745 | ||
1746 | if (netif_carrier_ok(priv->netdev)) | |
1747 | netif_carrier_off(priv->netdev); | |
1748 | ||
84efbb84 JB |
1749 | if (wdev->netdev->reg_state == NETREG_REGISTERED) |
1750 | unregister_netdevice(wdev->netdev); | |
93a1df48 | 1751 | |
84efbb84 JB |
1752 | if (wdev->netdev->reg_state == NETREG_UNREGISTERED) |
1753 | free_netdev(wdev->netdev); | |
93a1df48 YAP |
1754 | |
1755 | /* Clear the priv in adapter */ | |
1756 | priv->netdev = NULL; | |
1757 | ||
1758 | priv->media_connected = false; | |
1759 | ||
93a1df48 YAP |
1760 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1761 | ||
1762 | return 0; | |
1763 | } | |
1764 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); | |
1765 | ||
5e6e3a92 BZ |
1766 | /* station cfg80211 operations */ |
1767 | static struct cfg80211_ops mwifiex_cfg80211_ops = { | |
93a1df48 YAP |
1768 | .add_virtual_intf = mwifiex_add_virtual_intf, |
1769 | .del_virtual_intf = mwifiex_del_virtual_intf, | |
5e6e3a92 BZ |
1770 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
1771 | .scan = mwifiex_cfg80211_scan, | |
1772 | .connect = mwifiex_cfg80211_connect, | |
1773 | .disconnect = mwifiex_cfg80211_disconnect, | |
1774 | .get_station = mwifiex_cfg80211_get_station, | |
f85aae6b | 1775 | .dump_station = mwifiex_cfg80211_dump_station, |
5e6e3a92 | 1776 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
5e6e3a92 BZ |
1777 | .join_ibss = mwifiex_cfg80211_join_ibss, |
1778 | .leave_ibss = mwifiex_cfg80211_leave_ibss, | |
1779 | .add_key = mwifiex_cfg80211_add_key, | |
1780 | .del_key = mwifiex_cfg80211_del_key, | |
1781 | .set_default_key = mwifiex_cfg80211_set_default_key, | |
1782 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, | |
1783 | .set_tx_power = mwifiex_cfg80211_set_tx_power, | |
5d82c53a | 1784 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
12190c5d AP |
1785 | .start_ap = mwifiex_cfg80211_start_ap, |
1786 | .stop_ap = mwifiex_cfg80211_stop_ap, | |
5370c836 | 1787 | .change_beacon = mwifiex_cfg80211_change_beacon, |
fa444bf8 | 1788 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
8a279d5b | 1789 | .set_antenna = mwifiex_cfg80211_set_antenna, |
5e6e3a92 BZ |
1790 | }; |
1791 | ||
1792 | /* | |
1793 | * This function registers the device with CFG802.11 subsystem. | |
1794 | * | |
1795 | * The function creates the wireless device/wiphy, populates it with | |
1796 | * default parameters and handler function pointers, and finally | |
1797 | * registers the device. | |
1798 | */ | |
d6bffe8b AP |
1799 | |
1800 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) | |
5e6e3a92 | 1801 | { |
270e58e8 YAP |
1802 | int ret; |
1803 | void *wdev_priv; | |
d6bffe8b AP |
1804 | struct wiphy *wiphy; |
1805 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; | |
9e04a7c6 | 1806 | u8 *country_code; |
5e6e3a92 | 1807 | |
d6bffe8b AP |
1808 | /* create a new wiphy for use with cfg80211 */ |
1809 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, | |
1810 | sizeof(struct mwifiex_adapter *)); | |
1811 | if (!wiphy) { | |
1812 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); | |
5e6e3a92 BZ |
1813 | return -ENOMEM; |
1814 | } | |
d6bffe8b AP |
1815 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
1816 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; | |
1817 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1818 | BIT(NL80211_IFTYPE_ADHOC) | | |
1819 | BIT(NL80211_IFTYPE_AP); | |
1820 | ||
1821 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; | |
1822 | if (adapter->config_bands & BAND_A) | |
1823 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; | |
1824 | else | |
1825 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
5e6e3a92 | 1826 | |
cd8440da AP |
1827 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
1828 | wiphy->n_iface_combinations = 1; | |
1829 | ||
5e6e3a92 | 1830 | /* Initialize cipher suits */ |
d6bffe8b AP |
1831 | wiphy->cipher_suites = mwifiex_cipher_suites; |
1832 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); | |
5e6e3a92 | 1833 | |
d6bffe8b AP |
1834 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
1835 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
2dd2bd6b AP |
1836 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | |
1837 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
1838 | ||
1839 | wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
1840 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; | |
5e6e3a92 | 1841 | |
8a279d5b AK |
1842 | wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; |
1843 | wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; | |
5e6e3a92 | 1844 | |
05910f4a AK |
1845 | wiphy->features = NL80211_FEATURE_HT_IBSS; |
1846 | ||
b5abcf02 | 1847 | /* Reserve space for mwifiex specific private data for BSS */ |
d6bffe8b | 1848 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
5116f3ce | 1849 | |
d6bffe8b | 1850 | wiphy->reg_notifier = mwifiex_reg_notifier; |
5e6e3a92 | 1851 | |
67fdf39e | 1852 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
d6bffe8b | 1853 | wdev_priv = wiphy_priv(wiphy); |
67fdf39e | 1854 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
5e6e3a92 | 1855 | |
2c208890 | 1856 | set_wiphy_dev(wiphy, priv->adapter->dev); |
a7b21165 | 1857 | |
d6bffe8b | 1858 | ret = wiphy_register(wiphy); |
5e6e3a92 | 1859 | if (ret < 0) { |
d6bffe8b AP |
1860 | dev_err(adapter->dev, |
1861 | "%s: wiphy_register failed: %d\n", __func__, ret); | |
1862 | wiphy_free(wiphy); | |
5e6e3a92 | 1863 | return ret; |
5e6e3a92 | 1864 | } |
9e04a7c6 | 1865 | country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); |
d6bffe8b AP |
1866 | if (country_code && regulatory_hint(wiphy, country_code)) |
1867 | dev_err(adapter->dev, "regulatory_hint() failed\n"); | |
5e6e3a92 | 1868 | |
d6bffe8b | 1869 | adapter->wiphy = wiphy; |
5e6e3a92 BZ |
1870 | return ret; |
1871 | } |