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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 | { | |
aea0701e YAP |
431 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
432 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) | |
9b930eae | 433 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
5e6e3a92 | 434 | |
9b930eae AP |
435 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
436 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, | |
437 | &frag_thr); | |
5e6e3a92 BZ |
438 | } |
439 | ||
440 | /* | |
441 | * This function sets the RTS threshold. | |
600f5d90 AK |
442 | |
443 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE | |
444 | * and MWIFIEX_RTS_MAX_VALUE. | |
5e6e3a92 BZ |
445 | */ |
446 | static int | |
447 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) | |
448 | { | |
5e6e3a92 BZ |
449 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
450 | rts_thr = MWIFIEX_RTS_MAX_VALUE; | |
451 | ||
636c4598 | 452 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
600f5d90 AK |
453 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
454 | &rts_thr); | |
5e6e3a92 BZ |
455 | } |
456 | ||
457 | /* | |
458 | * CFG802.11 operation handler to set wiphy parameters. | |
459 | * | |
460 | * This function can be used to set the RTS threshold and the | |
461 | * Fragmentation threshold of the driver. | |
462 | */ | |
463 | static int | |
464 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
465 | { | |
67fdf39e | 466 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
9b930eae AP |
467 | struct mwifiex_private *priv; |
468 | struct mwifiex_uap_bss_param *bss_cfg; | |
469 | int ret, bss_started, i; | |
470 | ||
471 | for (i = 0; i < adapter->priv_num; i++) { | |
472 | priv = adapter->priv[i]; | |
473 | ||
474 | switch (priv->bss_role) { | |
475 | case MWIFIEX_BSS_ROLE_UAP: | |
476 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), | |
477 | GFP_KERNEL); | |
478 | if (!bss_cfg) | |
479 | return -ENOMEM; | |
480 | ||
481 | mwifiex_set_sys_config_invalid_data(bss_cfg); | |
482 | ||
483 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
484 | bss_cfg->rts_threshold = wiphy->rts_threshold; | |
485 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
486 | bss_cfg->frag_threshold = wiphy->frag_threshold; | |
487 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
488 | bss_cfg->retry_limit = wiphy->retry_long; | |
489 | ||
490 | bss_started = priv->bss_started; | |
491 | ||
492 | ret = mwifiex_send_cmd_sync(priv, | |
493 | HostCmd_CMD_UAP_BSS_STOP, | |
494 | HostCmd_ACT_GEN_SET, 0, | |
495 | NULL); | |
496 | if (ret) { | |
497 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
498 | kfree(bss_cfg); | |
499 | return ret; | |
500 | } | |
501 | ||
502 | ret = mwifiex_send_cmd_async(priv, | |
503 | HostCmd_CMD_UAP_SYS_CONFIG, | |
504 | HostCmd_ACT_GEN_SET, | |
505 | 0, bss_cfg); | |
5e6e3a92 | 506 | |
9b930eae AP |
507 | kfree(bss_cfg); |
508 | ||
509 | if (ret) { | |
510 | wiphy_err(wiphy, "Failed to set bss config\n"); | |
511 | return ret; | |
512 | } | |
5e6e3a92 | 513 | |
9b930eae AP |
514 | if (!bss_started) |
515 | break; | |
516 | ||
517 | ret = mwifiex_send_cmd_async(priv, | |
518 | HostCmd_CMD_UAP_BSS_START, | |
519 | HostCmd_ACT_GEN_SET, 0, | |
520 | NULL); | |
521 | if (ret) { | |
522 | wiphy_err(wiphy, "Failed to start BSS\n"); | |
523 | return ret; | |
524 | } | |
525 | ||
526 | break; | |
527 | case MWIFIEX_BSS_ROLE_STA: | |
528 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
529 | ret = mwifiex_set_rts(priv, | |
530 | wiphy->rts_threshold); | |
531 | if (ret) | |
532 | return ret; | |
533 | } | |
534 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
535 | ret = mwifiex_set_frag(priv, | |
536 | wiphy->frag_threshold); | |
537 | if (ret) | |
538 | return ret; | |
539 | } | |
540 | break; | |
541 | } | |
542 | } | |
543 | ||
544 | return 0; | |
5e6e3a92 BZ |
545 | } |
546 | ||
547 | /* | |
548 | * CFG802.11 operation handler to change interface type. | |
5e6e3a92 BZ |
549 | */ |
550 | static int | |
551 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, | |
552 | struct net_device *dev, | |
553 | enum nl80211_iftype type, u32 *flags, | |
554 | struct vif_params *params) | |
555 | { | |
270e58e8 | 556 | int ret; |
5e6e3a92 | 557 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 558 | |
4f02341a | 559 | switch (dev->ieee80211_ptr->iftype) { |
5e6e3a92 | 560 | case NL80211_IFTYPE_ADHOC: |
4f02341a AP |
561 | switch (type) { |
562 | case NL80211_IFTYPE_STATION: | |
563 | break; | |
564 | case NL80211_IFTYPE_UNSPECIFIED: | |
565 | wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); | |
566 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ | |
567 | return 0; | |
568 | case NL80211_IFTYPE_AP: | |
569 | default: | |
570 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
571 | dev->name, type); | |
572 | return -EOPNOTSUPP; | |
573 | } | |
5e6e3a92 BZ |
574 | break; |
575 | case NL80211_IFTYPE_STATION: | |
4f02341a AP |
576 | switch (type) { |
577 | case NL80211_IFTYPE_ADHOC: | |
578 | break; | |
579 | case NL80211_IFTYPE_UNSPECIFIED: | |
580 | wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); | |
581 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ | |
582 | return 0; | |
583 | case NL80211_IFTYPE_AP: | |
584 | default: | |
585 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
586 | dev->name, type); | |
587 | return -EOPNOTSUPP; | |
588 | } | |
589 | break; | |
590 | case NL80211_IFTYPE_AP: | |
591 | switch (type) { | |
592 | case NL80211_IFTYPE_UNSPECIFIED: | |
593 | wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); | |
594 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ | |
595 | return 0; | |
596 | case NL80211_IFTYPE_ADHOC: | |
597 | case NL80211_IFTYPE_STATION: | |
598 | default: | |
599 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
600 | dev->name, type); | |
601 | return -EOPNOTSUPP; | |
602 | } | |
5e6e3a92 | 603 | break; |
5e6e3a92 | 604 | default: |
4f02341a AP |
605 | wiphy_err(wiphy, "%s: unknown iftype: %d\n", |
606 | dev->name, dev->ieee80211_ptr->iftype); | |
607 | return -EOPNOTSUPP; | |
5e6e3a92 | 608 | } |
5e6e3a92 | 609 | |
4f02341a AP |
610 | dev->ieee80211_ptr->iftype = type; |
611 | priv->bss_mode = type; | |
600f5d90 | 612 | mwifiex_deauthenticate(priv, NULL); |
eecd8250 | 613 | |
f986b6d5 | 614 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
eecd8250 | 615 | |
600f5d90 AK |
616 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
617 | HostCmd_ACT_GEN_SET, 0, NULL); | |
eecd8250 | 618 | |
5e6e3a92 BZ |
619 | return ret; |
620 | } | |
621 | ||
622 | /* | |
623 | * This function dumps the station information on a buffer. | |
624 | * | |
625 | * The following information are shown - | |
626 | * - Total bytes transmitted | |
627 | * - Total bytes received | |
628 | * - Total packets transmitted | |
629 | * - Total packets received | |
630 | * - Signal quality level | |
631 | * - Transmission rate | |
632 | */ | |
633 | static int | |
634 | mwifiex_dump_station_info(struct mwifiex_private *priv, | |
635 | struct station_info *sinfo) | |
636 | { | |
5e6e3a92 | 637 | struct mwifiex_rate_cfg rate; |
5e6e3a92 BZ |
638 | |
639 | sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | | |
7013d3e2 AK |
640 | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | |
641 | STATION_INFO_TX_BITRATE | | |
642 | STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; | |
5e6e3a92 BZ |
643 | |
644 | /* Get signal information from the firmware */ | |
958a4a86 AK |
645 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
646 | HostCmd_ACT_GEN_GET, 0, NULL)) { | |
647 | dev_err(priv->adapter->dev, "failed to get signal information\n"); | |
648 | return -EFAULT; | |
5e6e3a92 BZ |
649 | } |
650 | ||
651 | if (mwifiex_drv_get_data_rate(priv, &rate)) { | |
652 | dev_err(priv->adapter->dev, "getting data rate\n"); | |
958a4a86 | 653 | return -EFAULT; |
5e6e3a92 BZ |
654 | } |
655 | ||
caf60a6c AK |
656 | /* Get DTIM period information from firmware */ |
657 | mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, | |
658 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, | |
659 | &priv->dtim_period); | |
660 | ||
4ec6f9c0 AK |
661 | /* |
662 | * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid | |
663 | * MCS index values for us are 0 to 7. | |
664 | */ | |
665 | if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) { | |
666 | sinfo->txrate.mcs = priv->tx_rate; | |
667 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
668 | /* 40MHz rate */ | |
669 | if (priv->tx_htinfo & BIT(1)) | |
670 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
671 | /* SGI enabled */ | |
672 | if (priv->tx_htinfo & BIT(2)) | |
673 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
674 | } | |
675 | ||
7013d3e2 | 676 | sinfo->signal_avg = priv->bcn_rssi_avg; |
5e6e3a92 BZ |
677 | sinfo->rx_bytes = priv->stats.rx_bytes; |
678 | sinfo->tx_bytes = priv->stats.tx_bytes; | |
679 | sinfo->rx_packets = priv->stats.rx_packets; | |
680 | sinfo->tx_packets = priv->stats.tx_packets; | |
958a4a86 | 681 | sinfo->signal = priv->bcn_rssi_avg; |
4ec6f9c0 AK |
682 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
683 | sinfo->txrate.legacy = rate.rate * 5; | |
5e6e3a92 | 684 | |
c4f3b972 AK |
685 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
686 | sinfo->filled |= STATION_INFO_BSS_PARAM; | |
687 | sinfo->bss_param.flags = 0; | |
688 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
689 | WLAN_CAPABILITY_SHORT_PREAMBLE) | |
690 | sinfo->bss_param.flags |= | |
691 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
692 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
693 | WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
694 | sinfo->bss_param.flags |= | |
695 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
caf60a6c | 696 | sinfo->bss_param.dtim_period = priv->dtim_period; |
c4f3b972 AK |
697 | sinfo->bss_param.beacon_interval = |
698 | priv->curr_bss_params.bss_descriptor.beacon_period; | |
699 | } | |
700 | ||
958a4a86 | 701 | return 0; |
5e6e3a92 BZ |
702 | } |
703 | ||
704 | /* | |
705 | * CFG802.11 operation handler to get station information. | |
706 | * | |
707 | * This function only works in connected mode, and dumps the | |
708 | * requested station information, if available. | |
709 | */ | |
710 | static int | |
711 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, | |
712 | u8 *mac, struct station_info *sinfo) | |
713 | { | |
714 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
5e6e3a92 | 715 | |
5e6e3a92 BZ |
716 | if (!priv->media_connected) |
717 | return -ENOENT; | |
718 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) | |
719 | return -ENOENT; | |
720 | ||
636c4598 | 721 | return mwifiex_dump_station_info(priv, sinfo); |
5e6e3a92 BZ |
722 | } |
723 | ||
f85aae6b AK |
724 | /* |
725 | * CFG802.11 operation handler to dump station information. | |
726 | */ | |
727 | static int | |
728 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
729 | int idx, u8 *mac, struct station_info *sinfo) | |
730 | { | |
731 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
732 | ||
733 | if (!priv->media_connected || idx) | |
734 | return -ENOENT; | |
735 | ||
736 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); | |
737 | ||
738 | return mwifiex_dump_station_info(priv, sinfo); | |
739 | } | |
740 | ||
5e6e3a92 BZ |
741 | /* Supported rates to be advertised to the cfg80211 */ |
742 | ||
743 | static struct ieee80211_rate mwifiex_rates[] = { | |
744 | {.bitrate = 10, .hw_value = 2, }, | |
745 | {.bitrate = 20, .hw_value = 4, }, | |
746 | {.bitrate = 55, .hw_value = 11, }, | |
747 | {.bitrate = 110, .hw_value = 22, }, | |
5e6e3a92 BZ |
748 | {.bitrate = 60, .hw_value = 12, }, |
749 | {.bitrate = 90, .hw_value = 18, }, | |
750 | {.bitrate = 120, .hw_value = 24, }, | |
751 | {.bitrate = 180, .hw_value = 36, }, | |
752 | {.bitrate = 240, .hw_value = 48, }, | |
753 | {.bitrate = 360, .hw_value = 72, }, | |
754 | {.bitrate = 480, .hw_value = 96, }, | |
755 | {.bitrate = 540, .hw_value = 108, }, | |
5e6e3a92 BZ |
756 | }; |
757 | ||
758 | /* Channel definitions to be advertised to cfg80211 */ | |
759 | ||
760 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { | |
761 | {.center_freq = 2412, .hw_value = 1, }, | |
762 | {.center_freq = 2417, .hw_value = 2, }, | |
763 | {.center_freq = 2422, .hw_value = 3, }, | |
764 | {.center_freq = 2427, .hw_value = 4, }, | |
765 | {.center_freq = 2432, .hw_value = 5, }, | |
766 | {.center_freq = 2437, .hw_value = 6, }, | |
767 | {.center_freq = 2442, .hw_value = 7, }, | |
768 | {.center_freq = 2447, .hw_value = 8, }, | |
769 | {.center_freq = 2452, .hw_value = 9, }, | |
770 | {.center_freq = 2457, .hw_value = 10, }, | |
771 | {.center_freq = 2462, .hw_value = 11, }, | |
772 | {.center_freq = 2467, .hw_value = 12, }, | |
773 | {.center_freq = 2472, .hw_value = 13, }, | |
774 | {.center_freq = 2484, .hw_value = 14, }, | |
775 | }; | |
776 | ||
777 | static struct ieee80211_supported_band mwifiex_band_2ghz = { | |
778 | .channels = mwifiex_channels_2ghz, | |
779 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), | |
780 | .bitrates = mwifiex_rates, | |
8763848e | 781 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
5e6e3a92 BZ |
782 | }; |
783 | ||
784 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { | |
785 | {.center_freq = 5040, .hw_value = 8, }, | |
786 | {.center_freq = 5060, .hw_value = 12, }, | |
787 | {.center_freq = 5080, .hw_value = 16, }, | |
788 | {.center_freq = 5170, .hw_value = 34, }, | |
789 | {.center_freq = 5190, .hw_value = 38, }, | |
790 | {.center_freq = 5210, .hw_value = 42, }, | |
791 | {.center_freq = 5230, .hw_value = 46, }, | |
792 | {.center_freq = 5180, .hw_value = 36, }, | |
793 | {.center_freq = 5200, .hw_value = 40, }, | |
794 | {.center_freq = 5220, .hw_value = 44, }, | |
795 | {.center_freq = 5240, .hw_value = 48, }, | |
796 | {.center_freq = 5260, .hw_value = 52, }, | |
797 | {.center_freq = 5280, .hw_value = 56, }, | |
798 | {.center_freq = 5300, .hw_value = 60, }, | |
799 | {.center_freq = 5320, .hw_value = 64, }, | |
800 | {.center_freq = 5500, .hw_value = 100, }, | |
801 | {.center_freq = 5520, .hw_value = 104, }, | |
802 | {.center_freq = 5540, .hw_value = 108, }, | |
803 | {.center_freq = 5560, .hw_value = 112, }, | |
804 | {.center_freq = 5580, .hw_value = 116, }, | |
805 | {.center_freq = 5600, .hw_value = 120, }, | |
806 | {.center_freq = 5620, .hw_value = 124, }, | |
807 | {.center_freq = 5640, .hw_value = 128, }, | |
808 | {.center_freq = 5660, .hw_value = 132, }, | |
809 | {.center_freq = 5680, .hw_value = 136, }, | |
810 | {.center_freq = 5700, .hw_value = 140, }, | |
811 | {.center_freq = 5745, .hw_value = 149, }, | |
812 | {.center_freq = 5765, .hw_value = 153, }, | |
813 | {.center_freq = 5785, .hw_value = 157, }, | |
814 | {.center_freq = 5805, .hw_value = 161, }, | |
815 | {.center_freq = 5825, .hw_value = 165, }, | |
816 | }; | |
817 | ||
818 | static struct ieee80211_supported_band mwifiex_band_5ghz = { | |
819 | .channels = mwifiex_channels_5ghz, | |
820 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), | |
eb416ad3 AP |
821 | .bitrates = mwifiex_rates + 4, |
822 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, | |
5e6e3a92 BZ |
823 | }; |
824 | ||
825 | ||
826 | /* Supported crypto cipher suits to be advertised to cfg80211 */ | |
827 | ||
828 | static const u32 mwifiex_cipher_suites[] = { | |
829 | WLAN_CIPHER_SUITE_WEP40, | |
830 | WLAN_CIPHER_SUITE_WEP104, | |
831 | WLAN_CIPHER_SUITE_TKIP, | |
832 | WLAN_CIPHER_SUITE_CCMP, | |
833 | }; | |
834 | ||
5d82c53a YAP |
835 | /* |
836 | * CFG802.11 operation handler for setting bit rates. | |
837 | * | |
838 | * Function selects legacy bang B/G/BG from corresponding bitrates selection. | |
839 | * Currently only 2.4GHz band is supported. | |
840 | */ | |
841 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, | |
842 | struct net_device *dev, | |
843 | const u8 *peer, | |
844 | const struct cfg80211_bitrate_mask *mask) | |
845 | { | |
5d82c53a YAP |
846 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
847 | int index = 0, mode = 0, i; | |
43906cdb | 848 | struct mwifiex_adapter *adapter = priv->adapter; |
5d82c53a YAP |
849 | |
850 | /* Currently only 2.4GHz is supported */ | |
851 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { | |
852 | /* | |
853 | * Rates below 6 Mbps in the table are CCK rates; 802.11b | |
854 | * and from 6 they are OFDM; 802.11G | |
855 | */ | |
856 | if (mwifiex_rates[i].bitrate == 60) { | |
857 | index = 1 << i; | |
858 | break; | |
859 | } | |
860 | } | |
861 | ||
862 | if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) { | |
863 | mode = BAND_B; | |
864 | } else { | |
865 | mode = BAND_G; | |
866 | if (mask->control[IEEE80211_BAND_2GHZ].legacy % index) | |
867 | mode |= BAND_B; | |
868 | } | |
869 | ||
43906cdb AK |
870 | if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) { |
871 | adapter->config_bands = mode; | |
872 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { | |
873 | adapter->adhoc_start_band = mode; | |
874 | adapter->adhoc_11n_enabled = false; | |
875 | } | |
876 | } | |
21c3ba34 | 877 | adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; |
3aebee02 | 878 | adapter->channel_type = NL80211_CHAN_NO_HT; |
5d82c53a YAP |
879 | |
880 | wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n", | |
aea0701e | 881 | (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : ""); |
5d82c53a YAP |
882 | |
883 | return 0; | |
884 | } | |
885 | ||
fa444bf8 AK |
886 | /* |
887 | * CFG802.11 operation handler for connection quality monitoring. | |
888 | * | |
889 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI | |
890 | * events to FW. | |
891 | */ | |
892 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, | |
893 | struct net_device *dev, | |
894 | s32 rssi_thold, u32 rssi_hyst) | |
895 | { | |
896 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
897 | struct mwifiex_ds_misc_subsc_evt subsc_evt; | |
898 | ||
899 | priv->cqm_rssi_thold = rssi_thold; | |
900 | priv->cqm_rssi_hyst = rssi_hyst; | |
901 | ||
902 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); | |
903 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; | |
904 | ||
905 | /* Subscribe/unsubscribe low and high rssi events */ | |
906 | if (rssi_thold && rssi_hyst) { | |
907 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; | |
908 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); | |
909 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); | |
910 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; | |
911 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; | |
912 | return mwifiex_send_cmd_sync(priv, | |
913 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
914 | 0, 0, &subsc_evt); | |
915 | } else { | |
916 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; | |
917 | return mwifiex_send_cmd_sync(priv, | |
918 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
919 | 0, 0, &subsc_evt); | |
920 | } | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
12190c5d AP |
925 | /* cfg80211 operation handler for stop ap. |
926 | * Function stops BSS running at uAP interface. | |
927 | */ | |
928 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) | |
929 | { | |
930 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
931 | ||
932 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, | |
933 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
934 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
935 | return -1; | |
936 | } | |
937 | ||
938 | return 0; | |
939 | } | |
940 | ||
941 | /* cfg80211 operation handler for start_ap. | |
942 | * Function sets beacon period, DTIM period, SSID and security into | |
943 | * AP config structure. | |
944 | * AP is configured with these settings and BSS is started. | |
945 | */ | |
946 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, | |
947 | struct net_device *dev, | |
948 | struct cfg80211_ap_settings *params) | |
949 | { | |
950 | struct mwifiex_uap_bss_param *bss_cfg; | |
951 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
952 | ||
953 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); | |
954 | if (!bss_cfg) | |
955 | return -ENOMEM; | |
956 | ||
957 | mwifiex_set_sys_config_invalid_data(bss_cfg); | |
958 | ||
959 | if (params->beacon_interval) | |
960 | bss_cfg->beacon_period = params->beacon_interval; | |
961 | if (params->dtim_period) | |
962 | bss_cfg->dtim_period = params->dtim_period; | |
963 | ||
964 | if (params->ssid && params->ssid_len) { | |
965 | memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); | |
966 | bss_cfg->ssid.ssid_len = params->ssid_len; | |
967 | } | |
968 | ||
969 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, | |
970 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
971 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
972 | kfree(bss_cfg); | |
973 | return -1; | |
974 | } | |
975 | ||
976 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, | |
977 | HostCmd_ACT_GEN_SET, 0, bss_cfg)) { | |
978 | wiphy_err(wiphy, "Failed to set the SSID\n"); | |
979 | kfree(bss_cfg); | |
980 | return -1; | |
981 | } | |
982 | ||
983 | kfree(bss_cfg); | |
984 | ||
985 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START, | |
986 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
987 | wiphy_err(wiphy, "Failed to start the BSS\n"); | |
988 | return -1; | |
989 | } | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
5e6e3a92 BZ |
994 | /* |
995 | * CFG802.11 operation handler for disconnection request. | |
996 | * | |
997 | * This function does not work when there is already a disconnection | |
998 | * procedure going on. | |
999 | */ | |
1000 | static int | |
1001 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
1002 | u16 reason_code) | |
1003 | { | |
1004 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1005 | ||
600f5d90 | 1006 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1007 | return -EFAULT; |
1008 | ||
1009 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" | |
1010 | " reason code %d\n", priv->cfg_bssid, reason_code); | |
1011 | ||
38c9d664 | 1012 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1013 | |
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | /* | |
1018 | * This function informs the CFG802.11 subsystem of a new IBSS. | |
1019 | * | |
1020 | * The following information are sent to the CFG802.11 subsystem | |
1021 | * to register the new IBSS. If we do not register the new IBSS, | |
1022 | * a kernel panic will result. | |
1023 | * - SSID | |
1024 | * - SSID length | |
1025 | * - BSSID | |
1026 | * - Channel | |
1027 | */ | |
1028 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) | |
1029 | { | |
5e6e3a92 BZ |
1030 | struct ieee80211_channel *chan; |
1031 | struct mwifiex_bss_info bss_info; | |
aa95a48d | 1032 | struct cfg80211_bss *bss; |
270e58e8 | 1033 | int ie_len; |
5e6e3a92 | 1034 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
4ed5d521 | 1035 | enum ieee80211_band band; |
5e6e3a92 | 1036 | |
636c4598 YAP |
1037 | if (mwifiex_get_bss_info(priv, &bss_info)) |
1038 | return -1; | |
5e6e3a92 BZ |
1039 | |
1040 | ie_buf[0] = WLAN_EID_SSID; | |
1041 | ie_buf[1] = bss_info.ssid.ssid_len; | |
1042 | ||
1043 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], | |
aea0701e | 1044 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
5e6e3a92 BZ |
1045 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
1046 | ||
4ed5d521 | 1047 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5e6e3a92 BZ |
1048 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
1049 | ieee80211_channel_to_frequency(bss_info.bss_chan, | |
4ed5d521 | 1050 | band)); |
5e6e3a92 | 1051 | |
aa95a48d | 1052 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
aea0701e YAP |
1053 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
1054 | 0, ie_buf, ie_len, 0, GFP_KERNEL); | |
aa95a48d | 1055 | cfg80211_put_bss(bss); |
5e6e3a92 BZ |
1056 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
1057 | ||
636c4598 | 1058 | return 0; |
5e6e3a92 BZ |
1059 | } |
1060 | ||
5e6e3a92 BZ |
1061 | /* |
1062 | * This function connects with a BSS. | |
1063 | * | |
1064 | * This function handles both Infra and Ad-Hoc modes. It also performs | |
1065 | * validity checking on the provided parameters, disconnects from the | |
1066 | * current BSS (if any), sets up the association/scan parameters, | |
1067 | * including security settings, and performs specific SSID scan before | |
1068 | * trying to connect. | |
1069 | * | |
1070 | * For Infra mode, the function returns failure if the specified SSID | |
1071 | * is not found in scan table. However, for Ad-Hoc mode, it can create | |
1072 | * the IBSS if it does not exist. On successful completion in either case, | |
7c6fa2a8 | 1073 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
5e6e3a92 BZ |
1074 | */ |
1075 | static int | |
1076 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, | |
1077 | u8 *bssid, int mode, struct ieee80211_channel *channel, | |
1078 | struct cfg80211_connect_params *sme, bool privacy) | |
1079 | { | |
b9be5f39 | 1080 | struct cfg80211_ssid req_ssid; |
270e58e8 | 1081 | int ret, auth_type = 0; |
7c6fa2a8 AK |
1082 | struct cfg80211_bss *bss = NULL; |
1083 | u8 is_scanning_required = 0; | |
5e6e3a92 | 1084 | |
b9be5f39 | 1085 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
5e6e3a92 BZ |
1086 | |
1087 | req_ssid.ssid_len = ssid_len; | |
1088 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
1089 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1090 | return -EINVAL; | |
1091 | } | |
1092 | ||
1093 | memcpy(req_ssid.ssid, ssid, ssid_len); | |
1094 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { | |
1095 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1096 | return -EINVAL; | |
1097 | } | |
1098 | ||
1099 | /* disconnect before try to associate */ | |
600f5d90 | 1100 | mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
1101 | |
1102 | if (channel) | |
1103 | ret = mwifiex_set_rf_channel(priv, channel, | |
3aebee02 | 1104 | priv->adapter->channel_type); |
5e6e3a92 | 1105 | |
6670f15b AK |
1106 | /* As this is new association, clear locally stored |
1107 | * keys and security related flags */ | |
1108 | priv->sec_info.wpa_enabled = false; | |
1109 | priv->sec_info.wpa2_enabled = false; | |
1110 | priv->wep_key_curr_index = 0; | |
00f157b4 | 1111 | priv->sec_info.encryption_mode = 0; |
a0f6d6ca | 1112 | priv->sec_info.is_authtype_auto = 0; |
75edd2c6 | 1113 | ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1); |
5e6e3a92 | 1114 | |
eecd8250 | 1115 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1116 | /* "privacy" is set only for ad-hoc mode */ |
1117 | if (privacy) { | |
1118 | /* | |
2be50b8d | 1119 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
5e6e3a92 BZ |
1120 | * the firmware can find a matching network from the |
1121 | * scan. The cfg80211 does not give us the encryption | |
1122 | * mode at this stage so just setting it to WEP here. | |
1123 | */ | |
203afeca | 1124 | priv->sec_info.encryption_mode = |
2be50b8d | 1125 | WLAN_CIPHER_SUITE_WEP104; |
203afeca | 1126 | priv->sec_info.authentication_mode = |
f986b6d5 | 1127 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 BZ |
1128 | } |
1129 | ||
1130 | goto done; | |
1131 | } | |
1132 | ||
1133 | /* Now handle infra mode. "sme" is valid for infra mode only */ | |
a0f6d6ca | 1134 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
f986b6d5 | 1135 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
a0f6d6ca AK |
1136 | priv->sec_info.is_authtype_auto = 1; |
1137 | } else { | |
1138 | auth_type = sme->auth_type; | |
1139 | } | |
5e6e3a92 BZ |
1140 | |
1141 | if (sme->crypto.n_ciphers_pairwise) { | |
2be50b8d YAP |
1142 | priv->sec_info.encryption_mode = |
1143 | sme->crypto.ciphers_pairwise[0]; | |
203afeca | 1144 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1145 | } |
1146 | ||
1147 | if (sme->crypto.cipher_group) { | |
2be50b8d | 1148 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
203afeca | 1149 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1150 | } |
1151 | if (sme->ie) | |
1152 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); | |
1153 | ||
1154 | if (sme->key) { | |
e6faada5 | 1155 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
5e6e3a92 BZ |
1156 | dev_dbg(priv->adapter->dev, |
1157 | "info: setting wep encryption" | |
1158 | " with key len %d\n", sme->key_len); | |
6670f15b | 1159 | priv->wep_key_curr_index = sme->key_idx; |
5e6e3a92 | 1160 | ret = mwifiex_set_encode(priv, sme->key, sme->key_len, |
75edd2c6 | 1161 | sme->key_idx, NULL, 0); |
5e6e3a92 BZ |
1162 | } |
1163 | } | |
1164 | done: | |
7c6fa2a8 AK |
1165 | /* |
1166 | * Scan entries are valid for some time (15 sec). So we can save one | |
1167 | * active scan time if we just try cfg80211_get_bss first. If it fails | |
1168 | * then request scan and cfg80211_get_bss() again for final output. | |
1169 | */ | |
1170 | while (1) { | |
1171 | if (is_scanning_required) { | |
1172 | /* Do specific SSID scanning */ | |
1173 | if (mwifiex_request_scan(priv, &req_ssid)) { | |
1174 | dev_err(priv->adapter->dev, "scan error\n"); | |
1175 | return -EFAULT; | |
1176 | } | |
1177 | } | |
5e6e3a92 | 1178 | |
7c6fa2a8 AK |
1179 | /* Find the BSS we want using available scan results */ |
1180 | if (mode == NL80211_IFTYPE_ADHOC) | |
1181 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1182 | bssid, ssid, ssid_len, | |
1183 | WLAN_CAPABILITY_IBSS, | |
1184 | WLAN_CAPABILITY_IBSS); | |
1185 | else | |
1186 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1187 | bssid, ssid, ssid_len, | |
1188 | WLAN_CAPABILITY_ESS, | |
1189 | WLAN_CAPABILITY_ESS); | |
1190 | ||
1191 | if (!bss) { | |
1192 | if (is_scanning_required) { | |
aea0701e YAP |
1193 | dev_warn(priv->adapter->dev, |
1194 | "assoc: requested bss not found in scan results\n"); | |
7c6fa2a8 AK |
1195 | break; |
1196 | } | |
1197 | is_scanning_required = 1; | |
1198 | } else { | |
aea0701e YAP |
1199 | dev_dbg(priv->adapter->dev, |
1200 | "info: trying to associate to '%s' bssid %pM\n", | |
1201 | (char *) req_ssid.ssid, bss->bssid); | |
7c6fa2a8 AK |
1202 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
1203 | break; | |
1204 | } | |
5e6e3a92 BZ |
1205 | } |
1206 | ||
7c6fa2a8 | 1207 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
5e6e3a92 BZ |
1208 | return -EFAULT; |
1209 | ||
eecd8250 | 1210 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1211 | /* Inform the BSS information to kernel, otherwise |
1212 | * kernel will give a panic after successful assoc */ | |
1213 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) | |
1214 | return -EFAULT; | |
1215 | } | |
1216 | ||
1217 | return ret; | |
1218 | } | |
1219 | ||
1220 | /* | |
1221 | * CFG802.11 operation handler for association request. | |
1222 | * | |
1223 | * This function does not work when the current mode is set to Ad-Hoc, or | |
1224 | * when there is already an association procedure going on. The given BSS | |
1225 | * information is used to associate. | |
1226 | */ | |
1227 | static int | |
1228 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, | |
1229 | struct cfg80211_connect_params *sme) | |
1230 | { | |
1231 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1232 | int ret = 0; | |
5e6e3a92 | 1233 | |
eecd8250 | 1234 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1235 | wiphy_err(wiphy, "received infra assoc request " |
1236 | "when station is in ibss mode\n"); | |
1237 | goto done; | |
1238 | } | |
1239 | ||
e568634a AP |
1240 | if (priv->bss_mode == NL80211_IFTYPE_AP) { |
1241 | wiphy_err(wiphy, "skip association request for AP interface\n"); | |
1242 | goto done; | |
1243 | } | |
1244 | ||
5e6e3a92 | 1245 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
aea0701e | 1246 | (char *) sme->ssid, sme->bssid); |
5e6e3a92 BZ |
1247 | |
1248 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, | |
eecd8250 | 1249 | priv->bss_mode, sme->channel, sme, 0); |
5e6e3a92 | 1250 | done: |
38c9d664 AK |
1251 | if (!ret) { |
1252 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, | |
1253 | NULL, 0, WLAN_STATUS_SUCCESS, | |
1254 | GFP_KERNEL); | |
1255 | dev_dbg(priv->adapter->dev, | |
1256 | "info: associated to bssid %pM successfully\n", | |
1257 | priv->cfg_bssid); | |
1258 | } else { | |
1259 | dev_dbg(priv->adapter->dev, | |
1260 | "info: association to bssid %pM failed\n", | |
1261 | priv->cfg_bssid); | |
1262 | memset(priv->cfg_bssid, 0, ETH_ALEN); | |
1263 | } | |
1264 | ||
5e6e3a92 BZ |
1265 | return ret; |
1266 | } | |
1267 | ||
1268 | /* | |
1269 | * CFG802.11 operation handler to join an IBSS. | |
1270 | * | |
1271 | * This function does not work in any mode other than Ad-Hoc, or if | |
1272 | * a join operation is already in progress. | |
1273 | */ | |
1274 | static int | |
1275 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1276 | struct cfg80211_ibss_params *params) | |
1277 | { | |
f540f9f3 | 1278 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1279 | int ret = 0; |
5e6e3a92 | 1280 | |
eecd8250 | 1281 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1282 | wiphy_err(wiphy, "request to join ibss received " |
1283 | "when station is not in ibss mode\n"); | |
1284 | goto done; | |
1285 | } | |
1286 | ||
5e6e3a92 | 1287 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
aea0701e | 1288 | (char *) params->ssid, params->bssid); |
5e6e3a92 BZ |
1289 | |
1290 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, | |
aea0701e YAP |
1291 | params->bssid, priv->bss_mode, |
1292 | params->channel, NULL, params->privacy); | |
5e6e3a92 | 1293 | done: |
38c9d664 AK |
1294 | if (!ret) { |
1295 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); | |
1296 | dev_dbg(priv->adapter->dev, | |
1297 | "info: joined/created adhoc network with bssid" | |
1298 | " %pM successfully\n", priv->cfg_bssid); | |
1299 | } else { | |
1300 | dev_dbg(priv->adapter->dev, | |
1301 | "info: failed creating/joining adhoc network\n"); | |
1302 | } | |
1303 | ||
5e6e3a92 BZ |
1304 | return ret; |
1305 | } | |
1306 | ||
1307 | /* | |
1308 | * CFG802.11 operation handler to leave an IBSS. | |
1309 | * | |
1310 | * This function does not work if a leave operation is | |
1311 | * already in progress. | |
1312 | */ | |
1313 | static int | |
1314 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1315 | { | |
f540f9f3 | 1316 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1317 | |
5e6e3a92 | 1318 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
aea0701e | 1319 | priv->cfg_bssid); |
600f5d90 | 1320 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1321 | return -EFAULT; |
1322 | ||
38c9d664 | 1323 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1324 | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | /* | |
1329 | * CFG802.11 operation handler for scan request. | |
1330 | * | |
1331 | * This function issues a scan request to the firmware based upon | |
1332 | * the user specified scan configuration. On successfull completion, | |
1333 | * it also informs the results. | |
1334 | */ | |
1335 | static int | |
1336 | mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, | |
1337 | struct cfg80211_scan_request *request) | |
1338 | { | |
1339 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
38c9d664 AK |
1340 | int i; |
1341 | struct ieee80211_channel *chan; | |
5e6e3a92 BZ |
1342 | |
1343 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); | |
1344 | ||
5e6e3a92 BZ |
1345 | priv->scan_request = request; |
1346 | ||
38c9d664 | 1347 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
aea0701e | 1348 | GFP_KERNEL); |
38c9d664 AK |
1349 | if (!priv->user_scan_cfg) { |
1350 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); | |
1351 | return -ENOMEM; | |
1352 | } | |
be0b281e AK |
1353 | |
1354 | priv->user_scan_cfg->num_ssids = request->n_ssids; | |
1355 | priv->user_scan_cfg->ssid_list = request->ssids; | |
1356 | ||
13d7ba78 AP |
1357 | if (request->ie && request->ie_len) { |
1358 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1359 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) | |
1360 | continue; | |
1361 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; | |
1362 | memcpy(&priv->vs_ie[i].ie, request->ie, | |
1363 | request->ie_len); | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | ||
38c9d664 AK |
1368 | for (i = 0; i < request->n_channels; i++) { |
1369 | chan = request->channels[i]; | |
1370 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; | |
1371 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; | |
1372 | ||
1373 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
1374 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1375 | MWIFIEX_SCAN_TYPE_PASSIVE; |
38c9d664 AK |
1376 | else |
1377 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1378 | MWIFIEX_SCAN_TYPE_ACTIVE; |
38c9d664 AK |
1379 | |
1380 | priv->user_scan_cfg->chan_list[i].scan_time = 0; | |
1381 | } | |
1382 | if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) | |
1383 | return -EFAULT; | |
1384 | ||
13d7ba78 AP |
1385 | if (request->ie && request->ie_len) { |
1386 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1387 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { | |
1388 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; | |
1389 | memset(&priv->vs_ie[i].ie, 0, | |
1390 | MWIFIEX_MAX_VSIE_LEN); | |
1391 | } | |
1392 | } | |
1393 | } | |
5e6e3a92 BZ |
1394 | return 0; |
1395 | } | |
1396 | ||
1397 | /* | |
1398 | * This function sets up the CFG802.11 specific HT capability fields | |
1399 | * with default values. | |
1400 | * | |
1401 | * The following default values are set - | |
1402 | * - HT Supported = True | |
a46b7b5c AK |
1403 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
1404 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE | |
1405 | * - HT Capabilities supported by firmware | |
5e6e3a92 BZ |
1406 | * - MCS information, Rx mask = 0xff |
1407 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) | |
1408 | */ | |
1409 | static void | |
1410 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, | |
1411 | struct mwifiex_private *priv) | |
1412 | { | |
1413 | int rx_mcs_supp; | |
1414 | struct ieee80211_mcs_info mcs_set; | |
1415 | u8 *mcs = (u8 *)&mcs_set; | |
1416 | struct mwifiex_adapter *adapter = priv->adapter; | |
1417 | ||
1418 | ht_info->ht_supported = true; | |
a46b7b5c AK |
1419 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
1420 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; | |
5e6e3a92 BZ |
1421 | |
1422 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
5e6e3a92 | 1423 | |
a46b7b5c AK |
1424 | /* Fill HT capability information */ |
1425 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) | |
1426 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1427 | else | |
1428 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1429 | ||
1430 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) | |
1431 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1432 | else | |
1433 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; | |
1434 | ||
1435 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) | |
1436 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1437 | else | |
1438 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; | |
1439 | ||
1440 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1441 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1442 | else | |
1443 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); | |
1444 | ||
1445 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1446 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; | |
1447 | else | |
1448 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; | |
1449 | ||
1450 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
1451 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; | |
1452 | ||
1453 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); | |
5e6e3a92 BZ |
1454 | /* Set MCS for 1x1 */ |
1455 | memset(mcs, 0xff, rx_mcs_supp); | |
1456 | /* Clear all the other values */ | |
1457 | memset(&mcs[rx_mcs_supp], 0, | |
aea0701e | 1458 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
eecd8250 | 1459 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
aea0701e | 1460 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
5e6e3a92 BZ |
1461 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
1462 | SETHT_MCS32(mcs_set.rx_mask); | |
1463 | ||
1464 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); | |
1465 | ||
1466 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1467 | } | |
1468 | ||
93a1df48 YAP |
1469 | /* |
1470 | * create a new virtual interface with the given name | |
1471 | */ | |
1472 | struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, | |
aea0701e YAP |
1473 | char *name, |
1474 | enum nl80211_iftype type, | |
1475 | u32 *flags, | |
1476 | struct vif_params *params) | |
93a1df48 | 1477 | { |
67fdf39e AP |
1478 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
1479 | struct mwifiex_private *priv; | |
93a1df48 YAP |
1480 | struct net_device *dev; |
1481 | void *mdev_priv; | |
d6bffe8b | 1482 | struct wireless_dev *wdev; |
93a1df48 | 1483 | |
93a1df48 YAP |
1484 | if (!adapter) |
1485 | return NULL; | |
1486 | ||
1487 | switch (type) { | |
1488 | case NL80211_IFTYPE_UNSPECIFIED: | |
1489 | case NL80211_IFTYPE_STATION: | |
1490 | case NL80211_IFTYPE_ADHOC: | |
d6bffe8b | 1491 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
93a1df48 | 1492 | if (priv->bss_mode) { |
d6bffe8b AP |
1493 | wiphy_err(wiphy, |
1494 | "cannot create multiple sta/adhoc ifaces\n"); | |
93a1df48 YAP |
1495 | return NULL; |
1496 | } | |
1497 | ||
d6bffe8b AP |
1498 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
1499 | if (!wdev) | |
1500 | return NULL; | |
1501 | ||
1502 | wdev->wiphy = wiphy; | |
1503 | priv->wdev = wdev; | |
1504 | wdev->iftype = NL80211_IFTYPE_STATION; | |
1505 | ||
93a1df48 YAP |
1506 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
1507 | priv->bss_mode = NL80211_IFTYPE_STATION; | |
1508 | else | |
1509 | priv->bss_mode = type; | |
1510 | ||
1511 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; | |
1512 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
d6bffe8b | 1513 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
93a1df48 | 1514 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
93a1df48 YAP |
1515 | priv->bss_num = 0; |
1516 | ||
d6bffe8b AP |
1517 | break; |
1518 | case NL80211_IFTYPE_AP: | |
1519 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; | |
1520 | ||
1521 | if (priv->bss_mode) { | |
1522 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); | |
1523 | return NULL; | |
1524 | } | |
1525 | ||
1526 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); | |
1527 | if (!wdev) | |
1528 | return NULL; | |
1529 | ||
1530 | priv->wdev = wdev; | |
1531 | wdev->wiphy = wiphy; | |
1532 | wdev->iftype = NL80211_IFTYPE_AP; | |
1533 | ||
1534 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; | |
1535 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
1536 | priv->bss_priority = MWIFIEX_BSS_ROLE_UAP; | |
1537 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; | |
1538 | priv->bss_started = 0; | |
1539 | priv->bss_num = 0; | |
1540 | priv->bss_mode = type; | |
1541 | ||
93a1df48 YAP |
1542 | break; |
1543 | default: | |
1544 | wiphy_err(wiphy, "type not supported\n"); | |
1545 | return NULL; | |
1546 | } | |
1547 | ||
1548 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, | |
1549 | ether_setup, 1); | |
1550 | if (!dev) { | |
1551 | wiphy_err(wiphy, "no memory available for netdevice\n"); | |
1552 | goto error; | |
1553 | } | |
1554 | ||
d6bffe8b AP |
1555 | mwifiex_init_priv_params(priv, dev); |
1556 | priv->netdev = dev; | |
1557 | ||
1558 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); | |
1559 | ||
1560 | if (adapter->config_bands & BAND_A) | |
1561 | mwifiex_setup_ht_caps( | |
1562 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); | |
1563 | ||
93a1df48 YAP |
1564 | dev_net_set(dev, wiphy_net(wiphy)); |
1565 | dev->ieee80211_ptr = priv->wdev; | |
1566 | dev->ieee80211_ptr->iftype = priv->bss_mode; | |
1567 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); | |
1568 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); | |
1569 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); | |
1570 | ||
1571 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
1572 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; | |
1573 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; | |
1574 | ||
1575 | mdev_priv = netdev_priv(dev); | |
1576 | *((unsigned long *) mdev_priv) = (unsigned long) priv; | |
1577 | ||
93a1df48 YAP |
1578 | SET_NETDEV_DEV(dev, adapter->dev); |
1579 | ||
1580 | /* Register network device */ | |
1581 | if (register_netdevice(dev)) { | |
1582 | wiphy_err(wiphy, "cannot register virtual network device\n"); | |
1583 | goto error; | |
1584 | } | |
1585 | ||
1586 | sema_init(&priv->async_sem, 1); | |
1587 | priv->scan_pending_on_block = false; | |
1588 | ||
1589 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); | |
1590 | ||
1591 | #ifdef CONFIG_DEBUG_FS | |
1592 | mwifiex_dev_debugfs_init(priv); | |
1593 | #endif | |
1594 | return dev; | |
1595 | error: | |
1596 | if (dev && (dev->reg_state == NETREG_UNREGISTERED)) | |
1597 | free_netdev(dev); | |
1598 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; | |
1599 | ||
1600 | return NULL; | |
1601 | } | |
1602 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); | |
1603 | ||
1604 | /* | |
1605 | * del_virtual_intf: remove the virtual interface determined by dev | |
1606 | */ | |
1607 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) | |
1608 | { | |
f540f9f3 | 1609 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
93a1df48 YAP |
1610 | |
1611 | #ifdef CONFIG_DEBUG_FS | |
1612 | mwifiex_dev_debugfs_remove(priv); | |
1613 | #endif | |
1614 | ||
1615 | if (!netif_queue_stopped(priv->netdev)) | |
1616 | netif_stop_queue(priv->netdev); | |
1617 | ||
1618 | if (netif_carrier_ok(priv->netdev)) | |
1619 | netif_carrier_off(priv->netdev); | |
1620 | ||
1621 | if (dev->reg_state == NETREG_REGISTERED) | |
1622 | unregister_netdevice(dev); | |
1623 | ||
1624 | if (dev->reg_state == NETREG_UNREGISTERED) | |
1625 | free_netdev(dev); | |
1626 | ||
1627 | /* Clear the priv in adapter */ | |
1628 | priv->netdev = NULL; | |
1629 | ||
1630 | priv->media_connected = false; | |
1631 | ||
93a1df48 YAP |
1632 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1633 | ||
1634 | return 0; | |
1635 | } | |
1636 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); | |
1637 | ||
5e6e3a92 BZ |
1638 | /* station cfg80211 operations */ |
1639 | static struct cfg80211_ops mwifiex_cfg80211_ops = { | |
93a1df48 YAP |
1640 | .add_virtual_intf = mwifiex_add_virtual_intf, |
1641 | .del_virtual_intf = mwifiex_del_virtual_intf, | |
5e6e3a92 BZ |
1642 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
1643 | .scan = mwifiex_cfg80211_scan, | |
1644 | .connect = mwifiex_cfg80211_connect, | |
1645 | .disconnect = mwifiex_cfg80211_disconnect, | |
1646 | .get_station = mwifiex_cfg80211_get_station, | |
f85aae6b | 1647 | .dump_station = mwifiex_cfg80211_dump_station, |
5e6e3a92 BZ |
1648 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
1649 | .set_channel = mwifiex_cfg80211_set_channel, | |
1650 | .join_ibss = mwifiex_cfg80211_join_ibss, | |
1651 | .leave_ibss = mwifiex_cfg80211_leave_ibss, | |
1652 | .add_key = mwifiex_cfg80211_add_key, | |
1653 | .del_key = mwifiex_cfg80211_del_key, | |
1654 | .set_default_key = mwifiex_cfg80211_set_default_key, | |
1655 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, | |
1656 | .set_tx_power = mwifiex_cfg80211_set_tx_power, | |
5d82c53a | 1657 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
12190c5d AP |
1658 | .start_ap = mwifiex_cfg80211_start_ap, |
1659 | .stop_ap = mwifiex_cfg80211_stop_ap, | |
fa444bf8 | 1660 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
5e6e3a92 BZ |
1661 | }; |
1662 | ||
1663 | /* | |
1664 | * This function registers the device with CFG802.11 subsystem. | |
1665 | * | |
1666 | * The function creates the wireless device/wiphy, populates it with | |
1667 | * default parameters and handler function pointers, and finally | |
1668 | * registers the device. | |
1669 | */ | |
d6bffe8b AP |
1670 | |
1671 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) | |
5e6e3a92 | 1672 | { |
270e58e8 YAP |
1673 | int ret; |
1674 | void *wdev_priv; | |
d6bffe8b AP |
1675 | struct wiphy *wiphy; |
1676 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; | |
9e04a7c6 | 1677 | u8 *country_code; |
5e6e3a92 | 1678 | |
d6bffe8b AP |
1679 | /* create a new wiphy for use with cfg80211 */ |
1680 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, | |
1681 | sizeof(struct mwifiex_adapter *)); | |
1682 | if (!wiphy) { | |
1683 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); | |
5e6e3a92 BZ |
1684 | return -ENOMEM; |
1685 | } | |
d6bffe8b AP |
1686 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
1687 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; | |
1688 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1689 | BIT(NL80211_IFTYPE_ADHOC) | | |
1690 | BIT(NL80211_IFTYPE_AP); | |
1691 | ||
1692 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; | |
1693 | if (adapter->config_bands & BAND_A) | |
1694 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; | |
1695 | else | |
1696 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
5e6e3a92 | 1697 | |
cd8440da AP |
1698 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
1699 | wiphy->n_iface_combinations = 1; | |
1700 | ||
5e6e3a92 | 1701 | /* Initialize cipher suits */ |
d6bffe8b AP |
1702 | wiphy->cipher_suites = mwifiex_cipher_suites; |
1703 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); | |
5e6e3a92 | 1704 | |
d6bffe8b AP |
1705 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
1706 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
1707 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_CUSTOM_REGULATORY; | |
5e6e3a92 | 1708 | |
b5abcf02 | 1709 | /* Reserve space for mwifiex specific private data for BSS */ |
d6bffe8b | 1710 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
5116f3ce | 1711 | |
d6bffe8b | 1712 | wiphy->reg_notifier = mwifiex_reg_notifier; |
5e6e3a92 | 1713 | |
67fdf39e | 1714 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
d6bffe8b | 1715 | wdev_priv = wiphy_priv(wiphy); |
67fdf39e | 1716 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
5e6e3a92 | 1717 | |
d6bffe8b | 1718 | set_wiphy_dev(wiphy, (struct device *)priv->adapter->dev); |
a7b21165 | 1719 | |
d6bffe8b | 1720 | ret = wiphy_register(wiphy); |
5e6e3a92 | 1721 | if (ret < 0) { |
d6bffe8b AP |
1722 | dev_err(adapter->dev, |
1723 | "%s: wiphy_register failed: %d\n", __func__, ret); | |
1724 | wiphy_free(wiphy); | |
5e6e3a92 | 1725 | return ret; |
5e6e3a92 | 1726 | } |
9e04a7c6 | 1727 | country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); |
d6bffe8b AP |
1728 | if (country_code && regulatory_hint(wiphy, country_code)) |
1729 | dev_err(adapter->dev, "regulatory_hint() failed\n"); | |
5e6e3a92 | 1730 | |
d6bffe8b | 1731 | adapter->wiphy = wiphy; |
5e6e3a92 BZ |
1732 | return ret; |
1733 | } |