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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 AK |
50 | static u8 |
51 | mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type | |
52 | channel_type) | |
5e6e3a92 | 53 | { |
5e6e3a92 BZ |
54 | switch (channel_type) { |
55 | case NL80211_CHAN_NO_HT: | |
56 | case NL80211_CHAN_HT20: | |
21c3ba34 | 57 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 58 | case NL80211_CHAN_HT40PLUS: |
21c3ba34 | 59 | return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
5e6e3a92 | 60 | case NL80211_CHAN_HT40MINUS: |
21c3ba34 | 61 | return IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
5e6e3a92 | 62 | default: |
21c3ba34 | 63 | return IEEE80211_HT_PARAM_CHA_SEC_NONE; |
5e6e3a92 | 64 | } |
5e6e3a92 BZ |
65 | } |
66 | ||
5e6e3a92 BZ |
67 | /* |
68 | * This function checks whether WEP is set. | |
69 | */ | |
70 | static int | |
71 | mwifiex_is_alg_wep(u32 cipher) | |
72 | { | |
5e6e3a92 | 73 | switch (cipher) { |
2be50b8d YAP |
74 | case WLAN_CIPHER_SUITE_WEP40: |
75 | case WLAN_CIPHER_SUITE_WEP104: | |
270e58e8 | 76 | return 1; |
5e6e3a92 | 77 | default: |
5e6e3a92 BZ |
78 | break; |
79 | } | |
270e58e8 YAP |
80 | |
81 | return 0; | |
5e6e3a92 BZ |
82 | } |
83 | ||
5e6e3a92 BZ |
84 | /* |
85 | * This function retrieves the private structure from kernel wiphy structure. | |
86 | */ | |
67fdf39e | 87 | static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) |
5e6e3a92 BZ |
88 | { |
89 | return (void *) (*(unsigned long *) wiphy_priv(wiphy)); | |
90 | } | |
91 | ||
92 | /* | |
93 | * CFG802.11 operation handler to delete a network key. | |
94 | */ | |
95 | static int | |
96 | mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, | |
97 | u8 key_index, bool pairwise, const u8 *mac_addr) | |
98 | { | |
f540f9f3 | 99 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
75edd2c6 AP |
100 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
101 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; | |
5e6e3a92 | 102 | |
75edd2c6 | 103 | if (mwifiex_set_encode(priv, NULL, 0, key_index, peer_mac, 1)) { |
5e6e3a92 BZ |
104 | wiphy_err(wiphy, "deleting the crypto keys\n"); |
105 | return -EFAULT; | |
106 | } | |
107 | ||
108 | wiphy_dbg(wiphy, "info: crypto keys deleted\n"); | |
109 | return 0; | |
110 | } | |
111 | ||
112 | /* | |
113 | * CFG802.11 operation handler to set Tx power. | |
114 | */ | |
115 | static int | |
116 | mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, | |
117 | enum nl80211_tx_power_setting type, | |
742c29fd | 118 | int mbm) |
5e6e3a92 | 119 | { |
67fdf39e AP |
120 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
121 | struct mwifiex_private *priv; | |
600f5d90 | 122 | struct mwifiex_power_cfg power_cfg; |
742c29fd | 123 | int dbm = MBM_TO_DBM(mbm); |
5e6e3a92 | 124 | |
600f5d90 AK |
125 | if (type == NL80211_TX_POWER_FIXED) { |
126 | power_cfg.is_power_auto = 0; | |
127 | power_cfg.power_level = dbm; | |
128 | } else { | |
129 | power_cfg.is_power_auto = 1; | |
130 | } | |
131 | ||
67fdf39e AP |
132 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
133 | ||
636c4598 | 134 | return mwifiex_set_tx_power(priv, &power_cfg); |
5e6e3a92 BZ |
135 | } |
136 | ||
137 | /* | |
138 | * CFG802.11 operation handler to set Power Save option. | |
139 | * | |
140 | * The timeout value, if provided, is currently ignored. | |
141 | */ | |
142 | static int | |
143 | mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, | |
144 | struct net_device *dev, | |
145 | bool enabled, int timeout) | |
146 | { | |
f540f9f3 | 147 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
600f5d90 | 148 | u32 ps_mode; |
5e6e3a92 BZ |
149 | |
150 | if (timeout) | |
151 | wiphy_dbg(wiphy, | |
aea0701e | 152 | "info: ignore timeout value for IEEE Power Save\n"); |
5e6e3a92 | 153 | |
600f5d90 | 154 | ps_mode = enabled; |
5e6e3a92 | 155 | |
636c4598 | 156 | return mwifiex_drv_set_power(priv, &ps_mode); |
5e6e3a92 BZ |
157 | } |
158 | ||
159 | /* | |
160 | * CFG802.11 operation handler to set the default network key. | |
161 | */ | |
162 | static int | |
163 | mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, | |
164 | u8 key_index, bool unicast, | |
165 | bool multicast) | |
166 | { | |
f540f9f3 | 167 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
5e6e3a92 | 168 | |
2d3d0a88 | 169 | /* Return if WEP key not configured */ |
5eb02e44 | 170 | if (!priv->sec_info.wep_enabled) |
2d3d0a88 AK |
171 | return 0; |
172 | ||
75edd2c6 | 173 | if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) { |
636c4598 | 174 | wiphy_err(wiphy, "set default Tx key index\n"); |
5e6e3a92 | 175 | return -EFAULT; |
636c4598 | 176 | } |
5e6e3a92 BZ |
177 | |
178 | return 0; | |
179 | } | |
180 | ||
181 | /* | |
182 | * CFG802.11 operation handler to add a network key. | |
183 | */ | |
184 | static int | |
185 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, | |
186 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
187 | struct key_params *params) | |
188 | { | |
f540f9f3 | 189 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
75edd2c6 AP |
190 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
191 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; | |
5e6e3a92 | 192 | |
636c4598 | 193 | if (mwifiex_set_encode(priv, params->key, params->key_len, |
75edd2c6 | 194 | key_index, peer_mac, 0)) { |
636c4598 | 195 | wiphy_err(wiphy, "crypto keys added\n"); |
5e6e3a92 | 196 | return -EFAULT; |
636c4598 | 197 | } |
5e6e3a92 BZ |
198 | |
199 | return 0; | |
200 | } | |
201 | ||
202 | /* | |
203 | * This function sends domain information to the firmware. | |
204 | * | |
205 | * The following information are passed to the firmware - | |
206 | * - Country codes | |
207 | * - Sub bands (first channel, number of channels, maximum Tx power) | |
208 | */ | |
209 | static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) | |
210 | { | |
211 | u8 no_of_triplet = 0; | |
212 | struct ieee80211_country_ie_triplet *t; | |
213 | u8 no_of_parsed_chan = 0; | |
214 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; | |
215 | u8 i, flag = 0; | |
216 | enum ieee80211_band band; | |
217 | struct ieee80211_supported_band *sband; | |
218 | struct ieee80211_channel *ch; | |
67fdf39e AP |
219 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
220 | struct mwifiex_private *priv; | |
5e6e3a92 | 221 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
5e6e3a92 BZ |
222 | |
223 | /* Set country code */ | |
67fdf39e AP |
224 | domain_info->country_code[0] = adapter->country_code[0]; |
225 | domain_info->country_code[1] = adapter->country_code[1]; | |
5e6e3a92 BZ |
226 | domain_info->country_code[2] = ' '; |
227 | ||
228 | band = mwifiex_band_to_radio_type(adapter->config_bands); | |
229 | if (!wiphy->bands[band]) { | |
230 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); | |
231 | return -1; | |
232 | } | |
233 | ||
234 | sband = wiphy->bands[band]; | |
235 | ||
236 | for (i = 0; i < sband->n_channels ; i++) { | |
237 | ch = &sband->channels[i]; | |
238 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
239 | continue; | |
240 | ||
241 | if (!flag) { | |
242 | flag = 1; | |
243 | first_chan = (u32) ch->hw_value; | |
244 | next_chan = first_chan; | |
245 | max_pwr = ch->max_power; | |
246 | no_of_parsed_chan = 1; | |
247 | continue; | |
248 | } | |
249 | ||
250 | if (ch->hw_value == next_chan + 1 && | |
aea0701e | 251 | ch->max_power == max_pwr) { |
5e6e3a92 BZ |
252 | next_chan++; |
253 | no_of_parsed_chan++; | |
254 | } else { | |
255 | t = &domain_info->triplet[no_of_triplet]; | |
256 | t->chans.first_channel = first_chan; | |
257 | t->chans.num_channels = no_of_parsed_chan; | |
258 | t->chans.max_power = max_pwr; | |
259 | no_of_triplet++; | |
260 | first_chan = (u32) ch->hw_value; | |
261 | next_chan = first_chan; | |
262 | max_pwr = ch->max_power; | |
263 | no_of_parsed_chan = 1; | |
264 | } | |
265 | } | |
266 | ||
267 | if (flag) { | |
268 | t = &domain_info->triplet[no_of_triplet]; | |
269 | t->chans.first_channel = first_chan; | |
270 | t->chans.num_channels = no_of_parsed_chan; | |
271 | t->chans.max_power = max_pwr; | |
272 | no_of_triplet++; | |
273 | } | |
274 | ||
275 | domain_info->no_of_triplet = no_of_triplet; | |
636c4598 | 276 | |
67fdf39e AP |
277 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
278 | ||
636c4598 | 279 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
aea0701e | 280 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
5e6e3a92 | 281 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
636c4598 YAP |
282 | return -1; |
283 | } | |
5e6e3a92 | 284 | |
636c4598 | 285 | return 0; |
5e6e3a92 BZ |
286 | } |
287 | ||
288 | /* | |
289 | * CFG802.11 regulatory domain callback function. | |
290 | * | |
291 | * This function is called when the regulatory domain is changed due to the | |
292 | * following reasons - | |
293 | * - Set by driver | |
294 | * - Set by system core | |
295 | * - Set by user | |
296 | * - Set bt Country IE | |
297 | */ | |
298 | static int mwifiex_reg_notifier(struct wiphy *wiphy, | |
aea0701e | 299 | struct regulatory_request *request) |
5e6e3a92 | 300 | { |
67fdf39e | 301 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
5e6e3a92 | 302 | |
67fdf39e AP |
303 | wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n", |
304 | request->alpha2[0], request->alpha2[1]); | |
5e6e3a92 | 305 | |
67fdf39e | 306 | memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); |
5e6e3a92 BZ |
307 | |
308 | switch (request->initiator) { | |
309 | case NL80211_REGDOM_SET_BY_DRIVER: | |
310 | case NL80211_REGDOM_SET_BY_CORE: | |
311 | case NL80211_REGDOM_SET_BY_USER: | |
312 | break; | |
313 | /* Todo: apply driver specific changes in channel flags based | |
314 | on the request initiator if necessary. */ | |
315 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: | |
316 | break; | |
317 | } | |
318 | mwifiex_send_domain_info_cmd_fw(wiphy); | |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
323 | /* | |
324 | * This function sets the RF channel. | |
325 | * | |
326 | * This function creates multiple IOCTL requests, populates them accordingly | |
327 | * and issues them to set the band/channel and frequency. | |
328 | */ | |
329 | static int | |
330 | mwifiex_set_rf_channel(struct mwifiex_private *priv, | |
331 | struct ieee80211_channel *chan, | |
332 | enum nl80211_channel_type channel_type) | |
333 | { | |
334 | struct mwifiex_chan_freq_power cfp; | |
5e6e3a92 BZ |
335 | u32 config_bands = 0; |
336 | struct wiphy *wiphy = priv->wdev->wiphy; | |
43906cdb | 337 | struct mwifiex_adapter *adapter = priv->adapter; |
5e6e3a92 | 338 | |
5e6e3a92 | 339 | if (chan) { |
5e6e3a92 | 340 | /* Set appropriate bands */ |
3aebee02 AK |
341 | if (chan->band == IEEE80211_BAND_2GHZ) { |
342 | if (channel_type == NL80211_CHAN_NO_HT) | |
343 | if (priv->adapter->config_bands == BAND_B || | |
aea0701e | 344 | priv->adapter->config_bands == BAND_G) |
3aebee02 AK |
345 | config_bands = |
346 | priv->adapter->config_bands; | |
347 | else | |
348 | config_bands = BAND_B | BAND_G; | |
349 | else | |
350 | config_bands = BAND_B | BAND_G | BAND_GN; | |
351 | } else { | |
352 | if (channel_type == NL80211_CHAN_NO_HT) | |
353 | config_bands = BAND_A; | |
354 | else | |
355 | config_bands = BAND_AN | BAND_A; | |
356 | } | |
636c4598 | 357 | |
43906cdb AK |
358 | if (!((config_bands | adapter->fw_bands) & |
359 | ~adapter->fw_bands)) { | |
360 | adapter->config_bands = config_bands; | |
361 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { | |
362 | adapter->adhoc_start_band = config_bands; | |
363 | if ((config_bands & BAND_GN) || | |
aea0701e | 364 | (config_bands & BAND_AN)) |
43906cdb AK |
365 | adapter->adhoc_11n_enabled = true; |
366 | else | |
367 | adapter->adhoc_11n_enabled = false; | |
368 | } | |
369 | } | |
21c3ba34 AK |
370 | adapter->sec_chan_offset = |
371 | mwifiex_cfg80211_channel_type_to_sec_chan_offset | |
5e6e3a92 | 372 | (channel_type); |
3aebee02 | 373 | adapter->channel_type = channel_type; |
5e6e3a92 | 374 | |
5e6e3a92 BZ |
375 | mwifiex_send_domain_info_cmd_fw(wiphy); |
376 | } | |
377 | ||
aea0701e YAP |
378 | wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n", |
379 | config_bands, adapter->sec_chan_offset, priv->bss_mode); | |
5e6e3a92 | 380 | if (!chan) |
636c4598 | 381 | return 0; |
5e6e3a92 BZ |
382 | |
383 | memset(&cfp, 0, sizeof(cfp)); | |
384 | cfp.freq = chan->center_freq; | |
5e6e3a92 BZ |
385 | cfp.channel = ieee80211_frequency_to_channel(chan->center_freq); |
386 | ||
636c4598 | 387 | if (mwifiex_bss_set_channel(priv, &cfp)) |
5e6e3a92 BZ |
388 | return -EFAULT; |
389 | ||
4db16a18 AP |
390 | if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) |
391 | return mwifiex_drv_change_adhoc_chan(priv, cfp.channel); | |
392 | else | |
393 | return mwifiex_uap_set_channel(priv, cfp.channel); | |
5e6e3a92 BZ |
394 | } |
395 | ||
396 | /* | |
397 | * CFG802.11 operation handler to set channel. | |
398 | * | |
399 | * This function can only be used when station is not connected. | |
400 | */ | |
401 | static int | |
402 | mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, | |
403 | struct ieee80211_channel *chan, | |
404 | enum nl80211_channel_type channel_type) | |
405 | { | |
477778bb | 406 | struct mwifiex_private *priv; |
67fdf39e | 407 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
477778bb AK |
408 | |
409 | if (dev) | |
410 | priv = mwifiex_netdev_get_priv(dev); | |
411 | else | |
67fdf39e | 412 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); |
5e6e3a92 BZ |
413 | |
414 | if (priv->media_connected) { | |
67fdf39e | 415 | wiphy_err(wiphy, "This is invalid in connected state\n"); |
5e6e3a92 BZ |
416 | return -EINVAL; |
417 | } | |
418 | ||
419 | return mwifiex_set_rf_channel(priv, chan, channel_type); | |
420 | } | |
421 | ||
422 | /* | |
423 | * This function sets the fragmentation threshold. | |
424 | * | |
600f5d90 | 425 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
5e6e3a92 BZ |
426 | * and MWIFIEX_FRAG_MAX_VALUE. |
427 | */ | |
428 | static int | |
429 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) | |
430 | { | |
270e58e8 | 431 | int ret; |
5e6e3a92 | 432 | |
aea0701e YAP |
433 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
434 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) | |
5e6e3a92 BZ |
435 | return -EINVAL; |
436 | ||
600f5d90 AK |
437 | /* Send request to firmware */ |
438 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, | |
439 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, | |
440 | &frag_thr); | |
5e6e3a92 | 441 | |
5e6e3a92 BZ |
442 | return ret; |
443 | } | |
444 | ||
445 | /* | |
446 | * This function sets the RTS threshold. | |
600f5d90 AK |
447 | |
448 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE | |
449 | * and MWIFIEX_RTS_MAX_VALUE. | |
5e6e3a92 BZ |
450 | */ |
451 | static int | |
452 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) | |
453 | { | |
5e6e3a92 BZ |
454 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
455 | rts_thr = MWIFIEX_RTS_MAX_VALUE; | |
456 | ||
636c4598 | 457 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
600f5d90 AK |
458 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
459 | &rts_thr); | |
5e6e3a92 BZ |
460 | } |
461 | ||
462 | /* | |
463 | * CFG802.11 operation handler to set wiphy parameters. | |
464 | * | |
465 | * This function can be used to set the RTS threshold and the | |
466 | * Fragmentation threshold of the driver. | |
467 | */ | |
468 | static int | |
469 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
470 | { | |
67fdf39e AP |
471 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
472 | struct mwifiex_private *priv = mwifiex_get_priv(adapter, | |
473 | MWIFIEX_BSS_ROLE_STA); | |
5e6e3a92 BZ |
474 | int ret = 0; |
475 | ||
636c4598 | 476 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
5e6e3a92 | 477 | ret = mwifiex_set_rts(priv, wiphy->rts_threshold); |
636c4598 YAP |
478 | if (ret) |
479 | return ret; | |
480 | } | |
5e6e3a92 BZ |
481 | |
482 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
483 | ret = mwifiex_set_frag(priv, wiphy->frag_threshold); | |
484 | ||
485 | return ret; | |
486 | } | |
487 | ||
488 | /* | |
489 | * CFG802.11 operation handler to change interface type. | |
5e6e3a92 BZ |
490 | */ |
491 | static int | |
492 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, | |
493 | struct net_device *dev, | |
494 | enum nl80211_iftype type, u32 *flags, | |
495 | struct vif_params *params) | |
496 | { | |
270e58e8 | 497 | int ret; |
5e6e3a92 | 498 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 499 | |
eecd8250 BZ |
500 | if (priv->bss_mode == type) { |
501 | wiphy_warn(wiphy, "already set to required type\n"); | |
502 | return 0; | |
503 | } | |
504 | ||
505 | priv->bss_mode = type; | |
5e6e3a92 BZ |
506 | |
507 | switch (type) { | |
508 | case NL80211_IFTYPE_ADHOC: | |
5e6e3a92 BZ |
509 | dev->ieee80211_ptr->iftype = NL80211_IFTYPE_ADHOC; |
510 | wiphy_dbg(wiphy, "info: setting interface type to adhoc\n"); | |
511 | break; | |
512 | case NL80211_IFTYPE_STATION: | |
5e6e3a92 | 513 | dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; |
eecd8250 | 514 | wiphy_dbg(wiphy, "info: setting interface type to managed\n"); |
5e6e3a92 BZ |
515 | break; |
516 | case NL80211_IFTYPE_UNSPECIFIED: | |
5e6e3a92 BZ |
517 | dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; |
518 | wiphy_dbg(wiphy, "info: setting interface type to auto\n"); | |
eecd8250 | 519 | return 0; |
5e6e3a92 | 520 | default: |
eecd8250 BZ |
521 | wiphy_err(wiphy, "unknown interface type: %d\n", type); |
522 | return -EINVAL; | |
5e6e3a92 | 523 | } |
5e6e3a92 | 524 | |
600f5d90 | 525 | mwifiex_deauthenticate(priv, NULL); |
eecd8250 | 526 | |
f986b6d5 | 527 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
eecd8250 | 528 | |
600f5d90 AK |
529 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
530 | HostCmd_ACT_GEN_SET, 0, NULL); | |
eecd8250 | 531 | |
5e6e3a92 BZ |
532 | return ret; |
533 | } | |
534 | ||
535 | /* | |
536 | * This function dumps the station information on a buffer. | |
537 | * | |
538 | * The following information are shown - | |
539 | * - Total bytes transmitted | |
540 | * - Total bytes received | |
541 | * - Total packets transmitted | |
542 | * - Total packets received | |
543 | * - Signal quality level | |
544 | * - Transmission rate | |
545 | */ | |
546 | static int | |
547 | mwifiex_dump_station_info(struct mwifiex_private *priv, | |
548 | struct station_info *sinfo) | |
549 | { | |
5e6e3a92 | 550 | struct mwifiex_rate_cfg rate; |
5e6e3a92 BZ |
551 | |
552 | sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | | |
7013d3e2 AK |
553 | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | |
554 | STATION_INFO_TX_BITRATE | | |
555 | STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; | |
5e6e3a92 BZ |
556 | |
557 | /* Get signal information from the firmware */ | |
958a4a86 AK |
558 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
559 | HostCmd_ACT_GEN_GET, 0, NULL)) { | |
560 | dev_err(priv->adapter->dev, "failed to get signal information\n"); | |
561 | return -EFAULT; | |
5e6e3a92 BZ |
562 | } |
563 | ||
564 | if (mwifiex_drv_get_data_rate(priv, &rate)) { | |
565 | dev_err(priv->adapter->dev, "getting data rate\n"); | |
958a4a86 | 566 | return -EFAULT; |
5e6e3a92 BZ |
567 | } |
568 | ||
caf60a6c AK |
569 | /* Get DTIM period information from firmware */ |
570 | mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, | |
571 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, | |
572 | &priv->dtim_period); | |
573 | ||
4ec6f9c0 AK |
574 | /* |
575 | * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid | |
576 | * MCS index values for us are 0 to 7. | |
577 | */ | |
578 | if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) { | |
579 | sinfo->txrate.mcs = priv->tx_rate; | |
580 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
581 | /* 40MHz rate */ | |
582 | if (priv->tx_htinfo & BIT(1)) | |
583 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
584 | /* SGI enabled */ | |
585 | if (priv->tx_htinfo & BIT(2)) | |
586 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
587 | } | |
588 | ||
7013d3e2 | 589 | sinfo->signal_avg = priv->bcn_rssi_avg; |
5e6e3a92 BZ |
590 | sinfo->rx_bytes = priv->stats.rx_bytes; |
591 | sinfo->tx_bytes = priv->stats.tx_bytes; | |
592 | sinfo->rx_packets = priv->stats.rx_packets; | |
593 | sinfo->tx_packets = priv->stats.tx_packets; | |
958a4a86 | 594 | sinfo->signal = priv->bcn_rssi_avg; |
4ec6f9c0 AK |
595 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
596 | sinfo->txrate.legacy = rate.rate * 5; | |
5e6e3a92 | 597 | |
c4f3b972 AK |
598 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
599 | sinfo->filled |= STATION_INFO_BSS_PARAM; | |
600 | sinfo->bss_param.flags = 0; | |
601 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
602 | WLAN_CAPABILITY_SHORT_PREAMBLE) | |
603 | sinfo->bss_param.flags |= | |
604 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
605 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
606 | WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
607 | sinfo->bss_param.flags |= | |
608 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
caf60a6c | 609 | sinfo->bss_param.dtim_period = priv->dtim_period; |
c4f3b972 AK |
610 | sinfo->bss_param.beacon_interval = |
611 | priv->curr_bss_params.bss_descriptor.beacon_period; | |
612 | } | |
613 | ||
958a4a86 | 614 | return 0; |
5e6e3a92 BZ |
615 | } |
616 | ||
617 | /* | |
618 | * CFG802.11 operation handler to get station information. | |
619 | * | |
620 | * This function only works in connected mode, and dumps the | |
621 | * requested station information, if available. | |
622 | */ | |
623 | static int | |
624 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, | |
625 | u8 *mac, struct station_info *sinfo) | |
626 | { | |
627 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
5e6e3a92 | 628 | |
5e6e3a92 BZ |
629 | if (!priv->media_connected) |
630 | return -ENOENT; | |
631 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) | |
632 | return -ENOENT; | |
633 | ||
636c4598 | 634 | return mwifiex_dump_station_info(priv, sinfo); |
5e6e3a92 BZ |
635 | } |
636 | ||
f85aae6b AK |
637 | /* |
638 | * CFG802.11 operation handler to dump station information. | |
639 | */ | |
640 | static int | |
641 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
642 | int idx, u8 *mac, struct station_info *sinfo) | |
643 | { | |
644 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
645 | ||
646 | if (!priv->media_connected || idx) | |
647 | return -ENOENT; | |
648 | ||
649 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); | |
650 | ||
651 | return mwifiex_dump_station_info(priv, sinfo); | |
652 | } | |
653 | ||
5e6e3a92 BZ |
654 | /* Supported rates to be advertised to the cfg80211 */ |
655 | ||
656 | static struct ieee80211_rate mwifiex_rates[] = { | |
657 | {.bitrate = 10, .hw_value = 2, }, | |
658 | {.bitrate = 20, .hw_value = 4, }, | |
659 | {.bitrate = 55, .hw_value = 11, }, | |
660 | {.bitrate = 110, .hw_value = 22, }, | |
5e6e3a92 BZ |
661 | {.bitrate = 60, .hw_value = 12, }, |
662 | {.bitrate = 90, .hw_value = 18, }, | |
663 | {.bitrate = 120, .hw_value = 24, }, | |
664 | {.bitrate = 180, .hw_value = 36, }, | |
665 | {.bitrate = 240, .hw_value = 48, }, | |
666 | {.bitrate = 360, .hw_value = 72, }, | |
667 | {.bitrate = 480, .hw_value = 96, }, | |
668 | {.bitrate = 540, .hw_value = 108, }, | |
5e6e3a92 BZ |
669 | }; |
670 | ||
671 | /* Channel definitions to be advertised to cfg80211 */ | |
672 | ||
673 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { | |
674 | {.center_freq = 2412, .hw_value = 1, }, | |
675 | {.center_freq = 2417, .hw_value = 2, }, | |
676 | {.center_freq = 2422, .hw_value = 3, }, | |
677 | {.center_freq = 2427, .hw_value = 4, }, | |
678 | {.center_freq = 2432, .hw_value = 5, }, | |
679 | {.center_freq = 2437, .hw_value = 6, }, | |
680 | {.center_freq = 2442, .hw_value = 7, }, | |
681 | {.center_freq = 2447, .hw_value = 8, }, | |
682 | {.center_freq = 2452, .hw_value = 9, }, | |
683 | {.center_freq = 2457, .hw_value = 10, }, | |
684 | {.center_freq = 2462, .hw_value = 11, }, | |
685 | {.center_freq = 2467, .hw_value = 12, }, | |
686 | {.center_freq = 2472, .hw_value = 13, }, | |
687 | {.center_freq = 2484, .hw_value = 14, }, | |
688 | }; | |
689 | ||
690 | static struct ieee80211_supported_band mwifiex_band_2ghz = { | |
691 | .channels = mwifiex_channels_2ghz, | |
692 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), | |
693 | .bitrates = mwifiex_rates, | |
8763848e | 694 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
5e6e3a92 BZ |
695 | }; |
696 | ||
697 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { | |
698 | {.center_freq = 5040, .hw_value = 8, }, | |
699 | {.center_freq = 5060, .hw_value = 12, }, | |
700 | {.center_freq = 5080, .hw_value = 16, }, | |
701 | {.center_freq = 5170, .hw_value = 34, }, | |
702 | {.center_freq = 5190, .hw_value = 38, }, | |
703 | {.center_freq = 5210, .hw_value = 42, }, | |
704 | {.center_freq = 5230, .hw_value = 46, }, | |
705 | {.center_freq = 5180, .hw_value = 36, }, | |
706 | {.center_freq = 5200, .hw_value = 40, }, | |
707 | {.center_freq = 5220, .hw_value = 44, }, | |
708 | {.center_freq = 5240, .hw_value = 48, }, | |
709 | {.center_freq = 5260, .hw_value = 52, }, | |
710 | {.center_freq = 5280, .hw_value = 56, }, | |
711 | {.center_freq = 5300, .hw_value = 60, }, | |
712 | {.center_freq = 5320, .hw_value = 64, }, | |
713 | {.center_freq = 5500, .hw_value = 100, }, | |
714 | {.center_freq = 5520, .hw_value = 104, }, | |
715 | {.center_freq = 5540, .hw_value = 108, }, | |
716 | {.center_freq = 5560, .hw_value = 112, }, | |
717 | {.center_freq = 5580, .hw_value = 116, }, | |
718 | {.center_freq = 5600, .hw_value = 120, }, | |
719 | {.center_freq = 5620, .hw_value = 124, }, | |
720 | {.center_freq = 5640, .hw_value = 128, }, | |
721 | {.center_freq = 5660, .hw_value = 132, }, | |
722 | {.center_freq = 5680, .hw_value = 136, }, | |
723 | {.center_freq = 5700, .hw_value = 140, }, | |
724 | {.center_freq = 5745, .hw_value = 149, }, | |
725 | {.center_freq = 5765, .hw_value = 153, }, | |
726 | {.center_freq = 5785, .hw_value = 157, }, | |
727 | {.center_freq = 5805, .hw_value = 161, }, | |
728 | {.center_freq = 5825, .hw_value = 165, }, | |
729 | }; | |
730 | ||
731 | static struct ieee80211_supported_band mwifiex_band_5ghz = { | |
732 | .channels = mwifiex_channels_5ghz, | |
733 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), | |
eb416ad3 AP |
734 | .bitrates = mwifiex_rates + 4, |
735 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, | |
5e6e3a92 BZ |
736 | }; |
737 | ||
738 | ||
739 | /* Supported crypto cipher suits to be advertised to cfg80211 */ | |
740 | ||
741 | static const u32 mwifiex_cipher_suites[] = { | |
742 | WLAN_CIPHER_SUITE_WEP40, | |
743 | WLAN_CIPHER_SUITE_WEP104, | |
744 | WLAN_CIPHER_SUITE_TKIP, | |
745 | WLAN_CIPHER_SUITE_CCMP, | |
746 | }; | |
747 | ||
5d82c53a YAP |
748 | /* |
749 | * CFG802.11 operation handler for setting bit rates. | |
750 | * | |
751 | * Function selects legacy bang B/G/BG from corresponding bitrates selection. | |
752 | * Currently only 2.4GHz band is supported. | |
753 | */ | |
754 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, | |
755 | struct net_device *dev, | |
756 | const u8 *peer, | |
757 | const struct cfg80211_bitrate_mask *mask) | |
758 | { | |
5d82c53a YAP |
759 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
760 | int index = 0, mode = 0, i; | |
43906cdb | 761 | struct mwifiex_adapter *adapter = priv->adapter; |
5d82c53a YAP |
762 | |
763 | /* Currently only 2.4GHz is supported */ | |
764 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { | |
765 | /* | |
766 | * Rates below 6 Mbps in the table are CCK rates; 802.11b | |
767 | * and from 6 they are OFDM; 802.11G | |
768 | */ | |
769 | if (mwifiex_rates[i].bitrate == 60) { | |
770 | index = 1 << i; | |
771 | break; | |
772 | } | |
773 | } | |
774 | ||
775 | if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) { | |
776 | mode = BAND_B; | |
777 | } else { | |
778 | mode = BAND_G; | |
779 | if (mask->control[IEEE80211_BAND_2GHZ].legacy % index) | |
780 | mode |= BAND_B; | |
781 | } | |
782 | ||
43906cdb AK |
783 | if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) { |
784 | adapter->config_bands = mode; | |
785 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { | |
786 | adapter->adhoc_start_band = mode; | |
787 | adapter->adhoc_11n_enabled = false; | |
788 | } | |
789 | } | |
21c3ba34 | 790 | adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; |
3aebee02 | 791 | adapter->channel_type = NL80211_CHAN_NO_HT; |
5d82c53a YAP |
792 | |
793 | wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n", | |
aea0701e | 794 | (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : ""); |
5d82c53a YAP |
795 | |
796 | return 0; | |
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 | ||
5e6e3a92 BZ |
838 | /* |
839 | * CFG802.11 operation handler for disconnection request. | |
840 | * | |
841 | * This function does not work when there is already a disconnection | |
842 | * procedure going on. | |
843 | */ | |
844 | static int | |
845 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
846 | u16 reason_code) | |
847 | { | |
848 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
849 | ||
600f5d90 | 850 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
851 | return -EFAULT; |
852 | ||
853 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" | |
854 | " reason code %d\n", priv->cfg_bssid, reason_code); | |
855 | ||
38c9d664 | 856 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
857 | |
858 | return 0; | |
859 | } | |
860 | ||
861 | /* | |
862 | * This function informs the CFG802.11 subsystem of a new IBSS. | |
863 | * | |
864 | * The following information are sent to the CFG802.11 subsystem | |
865 | * to register the new IBSS. If we do not register the new IBSS, | |
866 | * a kernel panic will result. | |
867 | * - SSID | |
868 | * - SSID length | |
869 | * - BSSID | |
870 | * - Channel | |
871 | */ | |
872 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) | |
873 | { | |
5e6e3a92 BZ |
874 | struct ieee80211_channel *chan; |
875 | struct mwifiex_bss_info bss_info; | |
aa95a48d | 876 | struct cfg80211_bss *bss; |
270e58e8 | 877 | int ie_len; |
5e6e3a92 | 878 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
4ed5d521 | 879 | enum ieee80211_band band; |
5e6e3a92 | 880 | |
636c4598 YAP |
881 | if (mwifiex_get_bss_info(priv, &bss_info)) |
882 | return -1; | |
5e6e3a92 BZ |
883 | |
884 | ie_buf[0] = WLAN_EID_SSID; | |
885 | ie_buf[1] = bss_info.ssid.ssid_len; | |
886 | ||
887 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], | |
aea0701e | 888 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
5e6e3a92 BZ |
889 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
890 | ||
4ed5d521 | 891 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5e6e3a92 BZ |
892 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
893 | ieee80211_channel_to_frequency(bss_info.bss_chan, | |
4ed5d521 | 894 | band)); |
5e6e3a92 | 895 | |
aa95a48d | 896 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
aea0701e YAP |
897 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
898 | 0, ie_buf, ie_len, 0, GFP_KERNEL); | |
aa95a48d | 899 | cfg80211_put_bss(bss); |
5e6e3a92 BZ |
900 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
901 | ||
636c4598 | 902 | return 0; |
5e6e3a92 BZ |
903 | } |
904 | ||
5e6e3a92 BZ |
905 | /* |
906 | * This function connects with a BSS. | |
907 | * | |
908 | * This function handles both Infra and Ad-Hoc modes. It also performs | |
909 | * validity checking on the provided parameters, disconnects from the | |
910 | * current BSS (if any), sets up the association/scan parameters, | |
911 | * including security settings, and performs specific SSID scan before | |
912 | * trying to connect. | |
913 | * | |
914 | * For Infra mode, the function returns failure if the specified SSID | |
915 | * is not found in scan table. However, for Ad-Hoc mode, it can create | |
916 | * the IBSS if it does not exist. On successful completion in either case, | |
7c6fa2a8 | 917 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
5e6e3a92 BZ |
918 | */ |
919 | static int | |
920 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, | |
921 | u8 *bssid, int mode, struct ieee80211_channel *channel, | |
922 | struct cfg80211_connect_params *sme, bool privacy) | |
923 | { | |
b9be5f39 | 924 | struct cfg80211_ssid req_ssid; |
270e58e8 | 925 | int ret, auth_type = 0; |
7c6fa2a8 AK |
926 | struct cfg80211_bss *bss = NULL; |
927 | u8 is_scanning_required = 0; | |
5e6e3a92 | 928 | |
b9be5f39 | 929 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
5e6e3a92 BZ |
930 | |
931 | req_ssid.ssid_len = ssid_len; | |
932 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
933 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
934 | return -EINVAL; | |
935 | } | |
936 | ||
937 | memcpy(req_ssid.ssid, ssid, ssid_len); | |
938 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { | |
939 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
940 | return -EINVAL; | |
941 | } | |
942 | ||
943 | /* disconnect before try to associate */ | |
600f5d90 | 944 | mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
945 | |
946 | if (channel) | |
947 | ret = mwifiex_set_rf_channel(priv, channel, | |
3aebee02 | 948 | priv->adapter->channel_type); |
5e6e3a92 | 949 | |
6670f15b AK |
950 | /* As this is new association, clear locally stored |
951 | * keys and security related flags */ | |
952 | priv->sec_info.wpa_enabled = false; | |
953 | priv->sec_info.wpa2_enabled = false; | |
954 | priv->wep_key_curr_index = 0; | |
00f157b4 | 955 | priv->sec_info.encryption_mode = 0; |
a0f6d6ca | 956 | priv->sec_info.is_authtype_auto = 0; |
75edd2c6 | 957 | ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1); |
5e6e3a92 | 958 | |
eecd8250 | 959 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
960 | /* "privacy" is set only for ad-hoc mode */ |
961 | if (privacy) { | |
962 | /* | |
2be50b8d | 963 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
5e6e3a92 BZ |
964 | * the firmware can find a matching network from the |
965 | * scan. The cfg80211 does not give us the encryption | |
966 | * mode at this stage so just setting it to WEP here. | |
967 | */ | |
203afeca | 968 | priv->sec_info.encryption_mode = |
2be50b8d | 969 | WLAN_CIPHER_SUITE_WEP104; |
203afeca | 970 | priv->sec_info.authentication_mode = |
f986b6d5 | 971 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 BZ |
972 | } |
973 | ||
974 | goto done; | |
975 | } | |
976 | ||
977 | /* Now handle infra mode. "sme" is valid for infra mode only */ | |
a0f6d6ca | 978 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
f986b6d5 | 979 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
a0f6d6ca AK |
980 | priv->sec_info.is_authtype_auto = 1; |
981 | } else { | |
982 | auth_type = sme->auth_type; | |
983 | } | |
5e6e3a92 BZ |
984 | |
985 | if (sme->crypto.n_ciphers_pairwise) { | |
2be50b8d YAP |
986 | priv->sec_info.encryption_mode = |
987 | sme->crypto.ciphers_pairwise[0]; | |
203afeca | 988 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
989 | } |
990 | ||
991 | if (sme->crypto.cipher_group) { | |
2be50b8d | 992 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
203afeca | 993 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
994 | } |
995 | if (sme->ie) | |
996 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); | |
997 | ||
998 | if (sme->key) { | |
e6faada5 | 999 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
5e6e3a92 BZ |
1000 | dev_dbg(priv->adapter->dev, |
1001 | "info: setting wep encryption" | |
1002 | " with key len %d\n", sme->key_len); | |
6670f15b | 1003 | priv->wep_key_curr_index = sme->key_idx; |
5e6e3a92 | 1004 | ret = mwifiex_set_encode(priv, sme->key, sme->key_len, |
75edd2c6 | 1005 | sme->key_idx, NULL, 0); |
5e6e3a92 BZ |
1006 | } |
1007 | } | |
1008 | done: | |
7c6fa2a8 AK |
1009 | /* |
1010 | * Scan entries are valid for some time (15 sec). So we can save one | |
1011 | * active scan time if we just try cfg80211_get_bss first. If it fails | |
1012 | * then request scan and cfg80211_get_bss() again for final output. | |
1013 | */ | |
1014 | while (1) { | |
1015 | if (is_scanning_required) { | |
1016 | /* Do specific SSID scanning */ | |
1017 | if (mwifiex_request_scan(priv, &req_ssid)) { | |
1018 | dev_err(priv->adapter->dev, "scan error\n"); | |
1019 | return -EFAULT; | |
1020 | } | |
1021 | } | |
5e6e3a92 | 1022 | |
7c6fa2a8 AK |
1023 | /* Find the BSS we want using available scan results */ |
1024 | if (mode == NL80211_IFTYPE_ADHOC) | |
1025 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1026 | bssid, ssid, ssid_len, | |
1027 | WLAN_CAPABILITY_IBSS, | |
1028 | WLAN_CAPABILITY_IBSS); | |
1029 | else | |
1030 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1031 | bssid, ssid, ssid_len, | |
1032 | WLAN_CAPABILITY_ESS, | |
1033 | WLAN_CAPABILITY_ESS); | |
1034 | ||
1035 | if (!bss) { | |
1036 | if (is_scanning_required) { | |
aea0701e YAP |
1037 | dev_warn(priv->adapter->dev, |
1038 | "assoc: requested bss not found in scan results\n"); | |
7c6fa2a8 AK |
1039 | break; |
1040 | } | |
1041 | is_scanning_required = 1; | |
1042 | } else { | |
aea0701e YAP |
1043 | dev_dbg(priv->adapter->dev, |
1044 | "info: trying to associate to '%s' bssid %pM\n", | |
1045 | (char *) req_ssid.ssid, bss->bssid); | |
7c6fa2a8 AK |
1046 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
1047 | break; | |
1048 | } | |
5e6e3a92 BZ |
1049 | } |
1050 | ||
7c6fa2a8 | 1051 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
5e6e3a92 BZ |
1052 | return -EFAULT; |
1053 | ||
eecd8250 | 1054 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1055 | /* Inform the BSS information to kernel, otherwise |
1056 | * kernel will give a panic after successful assoc */ | |
1057 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) | |
1058 | return -EFAULT; | |
1059 | } | |
1060 | ||
1061 | return ret; | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * CFG802.11 operation handler for association request. | |
1066 | * | |
1067 | * This function does not work when the current mode is set to Ad-Hoc, or | |
1068 | * when there is already an association procedure going on. The given BSS | |
1069 | * information is used to associate. | |
1070 | */ | |
1071 | static int | |
1072 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, | |
1073 | struct cfg80211_connect_params *sme) | |
1074 | { | |
1075 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1076 | int ret = 0; | |
5e6e3a92 | 1077 | |
eecd8250 | 1078 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1079 | wiphy_err(wiphy, "received infra assoc request " |
1080 | "when station is in ibss mode\n"); | |
1081 | goto done; | |
1082 | } | |
1083 | ||
5e6e3a92 | 1084 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
aea0701e | 1085 | (char *) sme->ssid, sme->bssid); |
5e6e3a92 BZ |
1086 | |
1087 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, | |
eecd8250 | 1088 | priv->bss_mode, sme->channel, sme, 0); |
5e6e3a92 | 1089 | done: |
38c9d664 AK |
1090 | if (!ret) { |
1091 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, | |
1092 | NULL, 0, WLAN_STATUS_SUCCESS, | |
1093 | GFP_KERNEL); | |
1094 | dev_dbg(priv->adapter->dev, | |
1095 | "info: associated to bssid %pM successfully\n", | |
1096 | priv->cfg_bssid); | |
1097 | } else { | |
1098 | dev_dbg(priv->adapter->dev, | |
1099 | "info: association to bssid %pM failed\n", | |
1100 | priv->cfg_bssid); | |
1101 | memset(priv->cfg_bssid, 0, ETH_ALEN); | |
1102 | } | |
1103 | ||
5e6e3a92 BZ |
1104 | return ret; |
1105 | } | |
1106 | ||
1107 | /* | |
1108 | * CFG802.11 operation handler to join an IBSS. | |
1109 | * | |
1110 | * This function does not work in any mode other than Ad-Hoc, or if | |
1111 | * a join operation is already in progress. | |
1112 | */ | |
1113 | static int | |
1114 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1115 | struct cfg80211_ibss_params *params) | |
1116 | { | |
f540f9f3 | 1117 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1118 | int ret = 0; |
5e6e3a92 | 1119 | |
eecd8250 | 1120 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1121 | wiphy_err(wiphy, "request to join ibss received " |
1122 | "when station is not in ibss mode\n"); | |
1123 | goto done; | |
1124 | } | |
1125 | ||
5e6e3a92 | 1126 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
aea0701e | 1127 | (char *) params->ssid, params->bssid); |
5e6e3a92 BZ |
1128 | |
1129 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, | |
aea0701e YAP |
1130 | params->bssid, priv->bss_mode, |
1131 | params->channel, NULL, params->privacy); | |
5e6e3a92 | 1132 | done: |
38c9d664 AK |
1133 | if (!ret) { |
1134 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); | |
1135 | dev_dbg(priv->adapter->dev, | |
1136 | "info: joined/created adhoc network with bssid" | |
1137 | " %pM successfully\n", priv->cfg_bssid); | |
1138 | } else { | |
1139 | dev_dbg(priv->adapter->dev, | |
1140 | "info: failed creating/joining adhoc network\n"); | |
1141 | } | |
1142 | ||
5e6e3a92 BZ |
1143 | return ret; |
1144 | } | |
1145 | ||
1146 | /* | |
1147 | * CFG802.11 operation handler to leave an IBSS. | |
1148 | * | |
1149 | * This function does not work if a leave operation is | |
1150 | * already in progress. | |
1151 | */ | |
1152 | static int | |
1153 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1154 | { | |
f540f9f3 | 1155 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1156 | |
5e6e3a92 | 1157 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
aea0701e | 1158 | priv->cfg_bssid); |
600f5d90 | 1159 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1160 | return -EFAULT; |
1161 | ||
38c9d664 | 1162 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1163 | |
1164 | return 0; | |
1165 | } | |
1166 | ||
1167 | /* | |
1168 | * CFG802.11 operation handler for scan request. | |
1169 | * | |
1170 | * This function issues a scan request to the firmware based upon | |
1171 | * the user specified scan configuration. On successfull completion, | |
1172 | * it also informs the results. | |
1173 | */ | |
1174 | static int | |
1175 | mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, | |
1176 | struct cfg80211_scan_request *request) | |
1177 | { | |
1178 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
38c9d664 AK |
1179 | int i; |
1180 | struct ieee80211_channel *chan; | |
5e6e3a92 BZ |
1181 | |
1182 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); | |
1183 | ||
5e6e3a92 BZ |
1184 | priv->scan_request = request; |
1185 | ||
38c9d664 | 1186 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
aea0701e | 1187 | GFP_KERNEL); |
38c9d664 AK |
1188 | if (!priv->user_scan_cfg) { |
1189 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); | |
1190 | return -ENOMEM; | |
1191 | } | |
be0b281e AK |
1192 | |
1193 | priv->user_scan_cfg->num_ssids = request->n_ssids; | |
1194 | priv->user_scan_cfg->ssid_list = request->ssids; | |
1195 | ||
13d7ba78 AP |
1196 | if (request->ie && request->ie_len) { |
1197 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1198 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) | |
1199 | continue; | |
1200 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; | |
1201 | memcpy(&priv->vs_ie[i].ie, request->ie, | |
1202 | request->ie_len); | |
1203 | break; | |
1204 | } | |
1205 | } | |
1206 | ||
38c9d664 AK |
1207 | for (i = 0; i < request->n_channels; i++) { |
1208 | chan = request->channels[i]; | |
1209 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; | |
1210 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; | |
1211 | ||
1212 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
1213 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1214 | MWIFIEX_SCAN_TYPE_PASSIVE; |
38c9d664 AK |
1215 | else |
1216 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1217 | MWIFIEX_SCAN_TYPE_ACTIVE; |
38c9d664 AK |
1218 | |
1219 | priv->user_scan_cfg->chan_list[i].scan_time = 0; | |
1220 | } | |
1221 | if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) | |
1222 | return -EFAULT; | |
1223 | ||
13d7ba78 AP |
1224 | if (request->ie && request->ie_len) { |
1225 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1226 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { | |
1227 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; | |
1228 | memset(&priv->vs_ie[i].ie, 0, | |
1229 | MWIFIEX_MAX_VSIE_LEN); | |
1230 | } | |
1231 | } | |
1232 | } | |
5e6e3a92 BZ |
1233 | return 0; |
1234 | } | |
1235 | ||
1236 | /* | |
1237 | * This function sets up the CFG802.11 specific HT capability fields | |
1238 | * with default values. | |
1239 | * | |
1240 | * The following default values are set - | |
1241 | * - HT Supported = True | |
a46b7b5c AK |
1242 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
1243 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE | |
1244 | * - HT Capabilities supported by firmware | |
5e6e3a92 BZ |
1245 | * - MCS information, Rx mask = 0xff |
1246 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) | |
1247 | */ | |
1248 | static void | |
1249 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, | |
1250 | struct mwifiex_private *priv) | |
1251 | { | |
1252 | int rx_mcs_supp; | |
1253 | struct ieee80211_mcs_info mcs_set; | |
1254 | u8 *mcs = (u8 *)&mcs_set; | |
1255 | struct mwifiex_adapter *adapter = priv->adapter; | |
1256 | ||
1257 | ht_info->ht_supported = true; | |
a46b7b5c AK |
1258 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
1259 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; | |
5e6e3a92 BZ |
1260 | |
1261 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
5e6e3a92 | 1262 | |
a46b7b5c AK |
1263 | /* Fill HT capability information */ |
1264 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) | |
1265 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1266 | else | |
1267 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1268 | ||
1269 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) | |
1270 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1271 | else | |
1272 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; | |
1273 | ||
1274 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) | |
1275 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1276 | else | |
1277 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; | |
1278 | ||
1279 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1280 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1281 | else | |
1282 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); | |
1283 | ||
1284 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1285 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; | |
1286 | else | |
1287 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; | |
1288 | ||
1289 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
1290 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; | |
1291 | ||
1292 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); | |
5e6e3a92 BZ |
1293 | /* Set MCS for 1x1 */ |
1294 | memset(mcs, 0xff, rx_mcs_supp); | |
1295 | /* Clear all the other values */ | |
1296 | memset(&mcs[rx_mcs_supp], 0, | |
aea0701e | 1297 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
eecd8250 | 1298 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
aea0701e | 1299 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
5e6e3a92 BZ |
1300 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
1301 | SETHT_MCS32(mcs_set.rx_mask); | |
1302 | ||
1303 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); | |
1304 | ||
1305 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1306 | } | |
1307 | ||
93a1df48 YAP |
1308 | /* |
1309 | * create a new virtual interface with the given name | |
1310 | */ | |
1311 | struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, | |
aea0701e YAP |
1312 | char *name, |
1313 | enum nl80211_iftype type, | |
1314 | u32 *flags, | |
1315 | struct vif_params *params) | |
93a1df48 | 1316 | { |
67fdf39e AP |
1317 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
1318 | struct mwifiex_private *priv; | |
93a1df48 YAP |
1319 | struct net_device *dev; |
1320 | void *mdev_priv; | |
d6bffe8b | 1321 | struct wireless_dev *wdev; |
93a1df48 | 1322 | |
93a1df48 YAP |
1323 | if (!adapter) |
1324 | return NULL; | |
1325 | ||
1326 | switch (type) { | |
1327 | case NL80211_IFTYPE_UNSPECIFIED: | |
1328 | case NL80211_IFTYPE_STATION: | |
1329 | case NL80211_IFTYPE_ADHOC: | |
d6bffe8b | 1330 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
93a1df48 | 1331 | if (priv->bss_mode) { |
d6bffe8b AP |
1332 | wiphy_err(wiphy, |
1333 | "cannot create multiple sta/adhoc ifaces\n"); | |
93a1df48 YAP |
1334 | return NULL; |
1335 | } | |
1336 | ||
d6bffe8b AP |
1337 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
1338 | if (!wdev) | |
1339 | return NULL; | |
1340 | ||
1341 | wdev->wiphy = wiphy; | |
1342 | priv->wdev = wdev; | |
1343 | wdev->iftype = NL80211_IFTYPE_STATION; | |
1344 | ||
93a1df48 YAP |
1345 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
1346 | priv->bss_mode = NL80211_IFTYPE_STATION; | |
1347 | else | |
1348 | priv->bss_mode = type; | |
1349 | ||
1350 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; | |
1351 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
d6bffe8b | 1352 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
93a1df48 | 1353 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
93a1df48 YAP |
1354 | priv->bss_num = 0; |
1355 | ||
d6bffe8b AP |
1356 | break; |
1357 | case NL80211_IFTYPE_AP: | |
1358 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; | |
1359 | ||
1360 | if (priv->bss_mode) { | |
1361 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); | |
1362 | return NULL; | |
1363 | } | |
1364 | ||
1365 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); | |
1366 | if (!wdev) | |
1367 | return NULL; | |
1368 | ||
1369 | priv->wdev = wdev; | |
1370 | wdev->wiphy = wiphy; | |
1371 | wdev->iftype = NL80211_IFTYPE_AP; | |
1372 | ||
1373 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; | |
1374 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
1375 | priv->bss_priority = MWIFIEX_BSS_ROLE_UAP; | |
1376 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; | |
1377 | priv->bss_started = 0; | |
1378 | priv->bss_num = 0; | |
1379 | priv->bss_mode = type; | |
1380 | ||
93a1df48 YAP |
1381 | break; |
1382 | default: | |
1383 | wiphy_err(wiphy, "type not supported\n"); | |
1384 | return NULL; | |
1385 | } | |
1386 | ||
1387 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, | |
1388 | ether_setup, 1); | |
1389 | if (!dev) { | |
1390 | wiphy_err(wiphy, "no memory available for netdevice\n"); | |
1391 | goto error; | |
1392 | } | |
1393 | ||
d6bffe8b AP |
1394 | mwifiex_init_priv_params(priv, dev); |
1395 | priv->netdev = dev; | |
1396 | ||
1397 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); | |
1398 | ||
1399 | if (adapter->config_bands & BAND_A) | |
1400 | mwifiex_setup_ht_caps( | |
1401 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); | |
1402 | ||
93a1df48 YAP |
1403 | dev_net_set(dev, wiphy_net(wiphy)); |
1404 | dev->ieee80211_ptr = priv->wdev; | |
1405 | dev->ieee80211_ptr->iftype = priv->bss_mode; | |
1406 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); | |
1407 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); | |
1408 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); | |
1409 | ||
1410 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
1411 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; | |
1412 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; | |
1413 | ||
1414 | mdev_priv = netdev_priv(dev); | |
1415 | *((unsigned long *) mdev_priv) = (unsigned long) priv; | |
1416 | ||
93a1df48 YAP |
1417 | SET_NETDEV_DEV(dev, adapter->dev); |
1418 | ||
1419 | /* Register network device */ | |
1420 | if (register_netdevice(dev)) { | |
1421 | wiphy_err(wiphy, "cannot register virtual network device\n"); | |
1422 | goto error; | |
1423 | } | |
1424 | ||
1425 | sema_init(&priv->async_sem, 1); | |
1426 | priv->scan_pending_on_block = false; | |
1427 | ||
1428 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); | |
1429 | ||
1430 | #ifdef CONFIG_DEBUG_FS | |
1431 | mwifiex_dev_debugfs_init(priv); | |
1432 | #endif | |
1433 | return dev; | |
1434 | error: | |
1435 | if (dev && (dev->reg_state == NETREG_UNREGISTERED)) | |
1436 | free_netdev(dev); | |
1437 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; | |
1438 | ||
1439 | return NULL; | |
1440 | } | |
1441 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); | |
1442 | ||
1443 | /* | |
1444 | * del_virtual_intf: remove the virtual interface determined by dev | |
1445 | */ | |
1446 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) | |
1447 | { | |
f540f9f3 | 1448 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
93a1df48 YAP |
1449 | |
1450 | #ifdef CONFIG_DEBUG_FS | |
1451 | mwifiex_dev_debugfs_remove(priv); | |
1452 | #endif | |
1453 | ||
1454 | if (!netif_queue_stopped(priv->netdev)) | |
1455 | netif_stop_queue(priv->netdev); | |
1456 | ||
1457 | if (netif_carrier_ok(priv->netdev)) | |
1458 | netif_carrier_off(priv->netdev); | |
1459 | ||
1460 | if (dev->reg_state == NETREG_REGISTERED) | |
1461 | unregister_netdevice(dev); | |
1462 | ||
1463 | if (dev->reg_state == NETREG_UNREGISTERED) | |
1464 | free_netdev(dev); | |
1465 | ||
1466 | /* Clear the priv in adapter */ | |
1467 | priv->netdev = NULL; | |
1468 | ||
1469 | priv->media_connected = false; | |
1470 | ||
93a1df48 YAP |
1471 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1472 | ||
1473 | return 0; | |
1474 | } | |
1475 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); | |
1476 | ||
5e6e3a92 BZ |
1477 | /* station cfg80211 operations */ |
1478 | static struct cfg80211_ops mwifiex_cfg80211_ops = { | |
93a1df48 YAP |
1479 | .add_virtual_intf = mwifiex_add_virtual_intf, |
1480 | .del_virtual_intf = mwifiex_del_virtual_intf, | |
5e6e3a92 BZ |
1481 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
1482 | .scan = mwifiex_cfg80211_scan, | |
1483 | .connect = mwifiex_cfg80211_connect, | |
1484 | .disconnect = mwifiex_cfg80211_disconnect, | |
1485 | .get_station = mwifiex_cfg80211_get_station, | |
f85aae6b | 1486 | .dump_station = mwifiex_cfg80211_dump_station, |
5e6e3a92 BZ |
1487 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
1488 | .set_channel = mwifiex_cfg80211_set_channel, | |
1489 | .join_ibss = mwifiex_cfg80211_join_ibss, | |
1490 | .leave_ibss = mwifiex_cfg80211_leave_ibss, | |
1491 | .add_key = mwifiex_cfg80211_add_key, | |
1492 | .del_key = mwifiex_cfg80211_del_key, | |
1493 | .set_default_key = mwifiex_cfg80211_set_default_key, | |
1494 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, | |
1495 | .set_tx_power = mwifiex_cfg80211_set_tx_power, | |
5d82c53a | 1496 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
fa444bf8 | 1497 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
5e6e3a92 BZ |
1498 | }; |
1499 | ||
1500 | /* | |
1501 | * This function registers the device with CFG802.11 subsystem. | |
1502 | * | |
1503 | * The function creates the wireless device/wiphy, populates it with | |
1504 | * default parameters and handler function pointers, and finally | |
1505 | * registers the device. | |
1506 | */ | |
d6bffe8b AP |
1507 | |
1508 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) | |
5e6e3a92 | 1509 | { |
270e58e8 YAP |
1510 | int ret; |
1511 | void *wdev_priv; | |
d6bffe8b AP |
1512 | struct wiphy *wiphy; |
1513 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; | |
9e04a7c6 | 1514 | u8 *country_code; |
5e6e3a92 | 1515 | |
d6bffe8b AP |
1516 | /* create a new wiphy for use with cfg80211 */ |
1517 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, | |
1518 | sizeof(struct mwifiex_adapter *)); | |
1519 | if (!wiphy) { | |
1520 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); | |
5e6e3a92 BZ |
1521 | return -ENOMEM; |
1522 | } | |
d6bffe8b AP |
1523 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
1524 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; | |
1525 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1526 | BIT(NL80211_IFTYPE_ADHOC) | | |
1527 | BIT(NL80211_IFTYPE_AP); | |
1528 | ||
1529 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; | |
1530 | if (adapter->config_bands & BAND_A) | |
1531 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; | |
1532 | else | |
1533 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
5e6e3a92 | 1534 | |
cd8440da AP |
1535 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
1536 | wiphy->n_iface_combinations = 1; | |
1537 | ||
5e6e3a92 | 1538 | /* Initialize cipher suits */ |
d6bffe8b AP |
1539 | wiphy->cipher_suites = mwifiex_cipher_suites; |
1540 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); | |
5e6e3a92 | 1541 | |
d6bffe8b AP |
1542 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
1543 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
1544 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_CUSTOM_REGULATORY; | |
5e6e3a92 | 1545 | |
b5abcf02 | 1546 | /* Reserve space for mwifiex specific private data for BSS */ |
d6bffe8b | 1547 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
5116f3ce | 1548 | |
d6bffe8b | 1549 | wiphy->reg_notifier = mwifiex_reg_notifier; |
5e6e3a92 | 1550 | |
67fdf39e | 1551 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
d6bffe8b | 1552 | wdev_priv = wiphy_priv(wiphy); |
67fdf39e | 1553 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
5e6e3a92 | 1554 | |
d6bffe8b | 1555 | set_wiphy_dev(wiphy, (struct device *)priv->adapter->dev); |
a7b21165 | 1556 | |
d6bffe8b | 1557 | ret = wiphy_register(wiphy); |
5e6e3a92 | 1558 | if (ret < 0) { |
d6bffe8b AP |
1559 | dev_err(adapter->dev, |
1560 | "%s: wiphy_register failed: %d\n", __func__, ret); | |
1561 | wiphy_free(wiphy); | |
5e6e3a92 | 1562 | return ret; |
5e6e3a92 | 1563 | } |
9e04a7c6 | 1564 | country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); |
d6bffe8b AP |
1565 | if (country_code && regulatory_hint(wiphy, country_code)) |
1566 | dev_err(adapter->dev, "regulatory_hint() failed\n"); | |
5e6e3a92 | 1567 | |
d6bffe8b | 1568 | adapter->wiphy = wiphy; |
5e6e3a92 BZ |
1569 | return ret; |
1570 | } |