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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 | ||
96893538 AP |
173 | if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { |
174 | priv->wep_key_curr_index = key_index; | |
175 | } else if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) { | |
636c4598 | 176 | wiphy_err(wiphy, "set default Tx key index\n"); |
5e6e3a92 | 177 | return -EFAULT; |
636c4598 | 178 | } |
5e6e3a92 BZ |
179 | |
180 | return 0; | |
181 | } | |
182 | ||
183 | /* | |
184 | * CFG802.11 operation handler to add a network key. | |
185 | */ | |
186 | static int | |
187 | mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, | |
188 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
189 | struct key_params *params) | |
190 | { | |
f540f9f3 | 191 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); |
96893538 | 192 | struct mwifiex_wep_key *wep_key; |
75edd2c6 AP |
193 | const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
194 | const u8 *peer_mac = pairwise ? mac_addr : bc_mac; | |
5e6e3a92 | 195 | |
96893538 AP |
196 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && |
197 | (params->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
198 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { | |
199 | if (params->key && params->key_len) { | |
200 | wep_key = &priv->wep_key[key_index]; | |
201 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); | |
202 | memcpy(wep_key->key_material, params->key, | |
203 | params->key_len); | |
204 | wep_key->key_index = key_index; | |
205 | wep_key->key_length = params->key_len; | |
206 | priv->sec_info.wep_enabled = 1; | |
207 | } | |
208 | return 0; | |
209 | } | |
210 | ||
636c4598 | 211 | if (mwifiex_set_encode(priv, params->key, params->key_len, |
75edd2c6 | 212 | key_index, peer_mac, 0)) { |
636c4598 | 213 | wiphy_err(wiphy, "crypto keys added\n"); |
5e6e3a92 | 214 | return -EFAULT; |
636c4598 | 215 | } |
5e6e3a92 BZ |
216 | |
217 | return 0; | |
218 | } | |
219 | ||
220 | /* | |
221 | * This function sends domain information to the firmware. | |
222 | * | |
223 | * The following information are passed to the firmware - | |
224 | * - Country codes | |
225 | * - Sub bands (first channel, number of channels, maximum Tx power) | |
226 | */ | |
227 | static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) | |
228 | { | |
229 | u8 no_of_triplet = 0; | |
230 | struct ieee80211_country_ie_triplet *t; | |
231 | u8 no_of_parsed_chan = 0; | |
232 | u8 first_chan = 0, next_chan = 0, max_pwr = 0; | |
233 | u8 i, flag = 0; | |
234 | enum ieee80211_band band; | |
235 | struct ieee80211_supported_band *sband; | |
236 | struct ieee80211_channel *ch; | |
67fdf39e AP |
237 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
238 | struct mwifiex_private *priv; | |
5e6e3a92 | 239 | struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; |
5e6e3a92 BZ |
240 | |
241 | /* Set country code */ | |
67fdf39e AP |
242 | domain_info->country_code[0] = adapter->country_code[0]; |
243 | domain_info->country_code[1] = adapter->country_code[1]; | |
5e6e3a92 BZ |
244 | domain_info->country_code[2] = ' '; |
245 | ||
246 | band = mwifiex_band_to_radio_type(adapter->config_bands); | |
247 | if (!wiphy->bands[band]) { | |
248 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); | |
249 | return -1; | |
250 | } | |
251 | ||
252 | sband = wiphy->bands[band]; | |
253 | ||
254 | for (i = 0; i < sband->n_channels ; i++) { | |
255 | ch = &sband->channels[i]; | |
256 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
257 | continue; | |
258 | ||
259 | if (!flag) { | |
260 | flag = 1; | |
261 | first_chan = (u32) ch->hw_value; | |
262 | next_chan = first_chan; | |
263 | max_pwr = ch->max_power; | |
264 | no_of_parsed_chan = 1; | |
265 | continue; | |
266 | } | |
267 | ||
268 | if (ch->hw_value == next_chan + 1 && | |
aea0701e | 269 | ch->max_power == max_pwr) { |
5e6e3a92 BZ |
270 | next_chan++; |
271 | no_of_parsed_chan++; | |
272 | } else { | |
273 | t = &domain_info->triplet[no_of_triplet]; | |
274 | t->chans.first_channel = first_chan; | |
275 | t->chans.num_channels = no_of_parsed_chan; | |
276 | t->chans.max_power = max_pwr; | |
277 | no_of_triplet++; | |
278 | first_chan = (u32) ch->hw_value; | |
279 | next_chan = first_chan; | |
280 | max_pwr = ch->max_power; | |
281 | no_of_parsed_chan = 1; | |
282 | } | |
283 | } | |
284 | ||
285 | if (flag) { | |
286 | t = &domain_info->triplet[no_of_triplet]; | |
287 | t->chans.first_channel = first_chan; | |
288 | t->chans.num_channels = no_of_parsed_chan; | |
289 | t->chans.max_power = max_pwr; | |
290 | no_of_triplet++; | |
291 | } | |
292 | ||
293 | domain_info->no_of_triplet = no_of_triplet; | |
636c4598 | 294 | |
67fdf39e AP |
295 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
296 | ||
636c4598 | 297 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, |
aea0701e | 298 | HostCmd_ACT_GEN_SET, 0, NULL)) { |
5e6e3a92 | 299 | wiphy_err(wiphy, "11D: setting domain info in FW\n"); |
636c4598 YAP |
300 | return -1; |
301 | } | |
5e6e3a92 | 302 | |
636c4598 | 303 | return 0; |
5e6e3a92 BZ |
304 | } |
305 | ||
306 | /* | |
307 | * CFG802.11 regulatory domain callback function. | |
308 | * | |
309 | * This function is called when the regulatory domain is changed due to the | |
310 | * following reasons - | |
311 | * - Set by driver | |
312 | * - Set by system core | |
313 | * - Set by user | |
314 | * - Set bt Country IE | |
315 | */ | |
316 | static int mwifiex_reg_notifier(struct wiphy *wiphy, | |
aea0701e | 317 | struct regulatory_request *request) |
5e6e3a92 | 318 | { |
67fdf39e | 319 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
5e6e3a92 | 320 | |
67fdf39e AP |
321 | wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n", |
322 | request->alpha2[0], request->alpha2[1]); | |
5e6e3a92 | 323 | |
67fdf39e | 324 | memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); |
5e6e3a92 BZ |
325 | |
326 | switch (request->initiator) { | |
327 | case NL80211_REGDOM_SET_BY_DRIVER: | |
328 | case NL80211_REGDOM_SET_BY_CORE: | |
329 | case NL80211_REGDOM_SET_BY_USER: | |
330 | break; | |
331 | /* Todo: apply driver specific changes in channel flags based | |
332 | on the request initiator if necessary. */ | |
333 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: | |
334 | break; | |
335 | } | |
336 | mwifiex_send_domain_info_cmd_fw(wiphy); | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
341 | /* | |
342 | * This function sets the RF channel. | |
343 | * | |
344 | * This function creates multiple IOCTL requests, populates them accordingly | |
345 | * and issues them to set the band/channel and frequency. | |
346 | */ | |
347 | static int | |
348 | mwifiex_set_rf_channel(struct mwifiex_private *priv, | |
349 | struct ieee80211_channel *chan, | |
350 | enum nl80211_channel_type channel_type) | |
351 | { | |
352 | struct mwifiex_chan_freq_power cfp; | |
5e6e3a92 BZ |
353 | u32 config_bands = 0; |
354 | struct wiphy *wiphy = priv->wdev->wiphy; | |
43906cdb | 355 | struct mwifiex_adapter *adapter = priv->adapter; |
5e6e3a92 | 356 | |
5e6e3a92 | 357 | if (chan) { |
5e6e3a92 | 358 | /* Set appropriate bands */ |
3aebee02 AK |
359 | if (chan->band == IEEE80211_BAND_2GHZ) { |
360 | if (channel_type == NL80211_CHAN_NO_HT) | |
361 | if (priv->adapter->config_bands == BAND_B || | |
aea0701e | 362 | priv->adapter->config_bands == BAND_G) |
3aebee02 AK |
363 | config_bands = |
364 | priv->adapter->config_bands; | |
365 | else | |
366 | config_bands = BAND_B | BAND_G; | |
367 | else | |
368 | config_bands = BAND_B | BAND_G | BAND_GN; | |
369 | } else { | |
370 | if (channel_type == NL80211_CHAN_NO_HT) | |
371 | config_bands = BAND_A; | |
372 | else | |
373 | config_bands = BAND_AN | BAND_A; | |
374 | } | |
636c4598 | 375 | |
43906cdb AK |
376 | if (!((config_bands | adapter->fw_bands) & |
377 | ~adapter->fw_bands)) { | |
378 | adapter->config_bands = config_bands; | |
379 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { | |
380 | adapter->adhoc_start_band = config_bands; | |
381 | if ((config_bands & BAND_GN) || | |
aea0701e | 382 | (config_bands & BAND_AN)) |
43906cdb AK |
383 | adapter->adhoc_11n_enabled = true; |
384 | else | |
385 | adapter->adhoc_11n_enabled = false; | |
386 | } | |
387 | } | |
21c3ba34 AK |
388 | adapter->sec_chan_offset = |
389 | mwifiex_cfg80211_channel_type_to_sec_chan_offset | |
5e6e3a92 | 390 | (channel_type); |
3aebee02 | 391 | adapter->channel_type = channel_type; |
5e6e3a92 | 392 | |
5e6e3a92 BZ |
393 | mwifiex_send_domain_info_cmd_fw(wiphy); |
394 | } | |
395 | ||
aea0701e YAP |
396 | wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n", |
397 | config_bands, adapter->sec_chan_offset, priv->bss_mode); | |
5e6e3a92 | 398 | if (!chan) |
636c4598 | 399 | return 0; |
5e6e3a92 BZ |
400 | |
401 | memset(&cfp, 0, sizeof(cfp)); | |
402 | cfp.freq = chan->center_freq; | |
5e6e3a92 BZ |
403 | cfp.channel = ieee80211_frequency_to_channel(chan->center_freq); |
404 | ||
0abd79e5 AP |
405 | if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) { |
406 | if (mwifiex_bss_set_channel(priv, &cfp)) | |
407 | return -EFAULT; | |
4db16a18 | 408 | return mwifiex_drv_change_adhoc_chan(priv, cfp.channel); |
0abd79e5 AP |
409 | } |
410 | ||
411 | return 0; | |
5e6e3a92 BZ |
412 | } |
413 | ||
5e6e3a92 BZ |
414 | /* |
415 | * This function sets the fragmentation threshold. | |
416 | * | |
600f5d90 | 417 | * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE |
5e6e3a92 BZ |
418 | * and MWIFIEX_FRAG_MAX_VALUE. |
419 | */ | |
420 | static int | |
421 | mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) | |
422 | { | |
aea0701e YAP |
423 | if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || |
424 | frag_thr > MWIFIEX_FRAG_MAX_VALUE) | |
9b930eae | 425 | frag_thr = MWIFIEX_FRAG_MAX_VALUE; |
5e6e3a92 | 426 | |
9b930eae AP |
427 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
428 | HostCmd_ACT_GEN_SET, FRAG_THRESH_I, | |
429 | &frag_thr); | |
5e6e3a92 BZ |
430 | } |
431 | ||
432 | /* | |
433 | * This function sets the RTS threshold. | |
600f5d90 AK |
434 | |
435 | * The rts value must lie between MWIFIEX_RTS_MIN_VALUE | |
436 | * and MWIFIEX_RTS_MAX_VALUE. | |
5e6e3a92 BZ |
437 | */ |
438 | static int | |
439 | mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) | |
440 | { | |
5e6e3a92 BZ |
441 | if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) |
442 | rts_thr = MWIFIEX_RTS_MAX_VALUE; | |
443 | ||
636c4598 | 444 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, |
600f5d90 AK |
445 | HostCmd_ACT_GEN_SET, RTS_THRESH_I, |
446 | &rts_thr); | |
5e6e3a92 BZ |
447 | } |
448 | ||
449 | /* | |
450 | * CFG802.11 operation handler to set wiphy parameters. | |
451 | * | |
452 | * This function can be used to set the RTS threshold and the | |
453 | * Fragmentation threshold of the driver. | |
454 | */ | |
455 | static int | |
456 | mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) | |
457 | { | |
67fdf39e | 458 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
9b930eae AP |
459 | struct mwifiex_private *priv; |
460 | struct mwifiex_uap_bss_param *bss_cfg; | |
461 | int ret, bss_started, i; | |
462 | ||
463 | for (i = 0; i < adapter->priv_num; i++) { | |
464 | priv = adapter->priv[i]; | |
465 | ||
466 | switch (priv->bss_role) { | |
467 | case MWIFIEX_BSS_ROLE_UAP: | |
468 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), | |
469 | GFP_KERNEL); | |
470 | if (!bss_cfg) | |
471 | return -ENOMEM; | |
472 | ||
473 | mwifiex_set_sys_config_invalid_data(bss_cfg); | |
474 | ||
475 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
476 | bss_cfg->rts_threshold = wiphy->rts_threshold; | |
477 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
478 | bss_cfg->frag_threshold = wiphy->frag_threshold; | |
479 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
480 | bss_cfg->retry_limit = wiphy->retry_long; | |
481 | ||
482 | bss_started = priv->bss_started; | |
483 | ||
484 | ret = mwifiex_send_cmd_sync(priv, | |
485 | HostCmd_CMD_UAP_BSS_STOP, | |
486 | HostCmd_ACT_GEN_SET, 0, | |
487 | NULL); | |
488 | if (ret) { | |
489 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
490 | kfree(bss_cfg); | |
491 | return ret; | |
492 | } | |
493 | ||
494 | ret = mwifiex_send_cmd_async(priv, | |
495 | HostCmd_CMD_UAP_SYS_CONFIG, | |
496 | HostCmd_ACT_GEN_SET, | |
e76268da | 497 | UAP_BSS_PARAMS_I, bss_cfg); |
5e6e3a92 | 498 | |
9b930eae AP |
499 | kfree(bss_cfg); |
500 | ||
501 | if (ret) { | |
502 | wiphy_err(wiphy, "Failed to set bss config\n"); | |
503 | return ret; | |
504 | } | |
5e6e3a92 | 505 | |
9b930eae AP |
506 | if (!bss_started) |
507 | break; | |
508 | ||
509 | ret = mwifiex_send_cmd_async(priv, | |
510 | HostCmd_CMD_UAP_BSS_START, | |
511 | HostCmd_ACT_GEN_SET, 0, | |
512 | NULL); | |
513 | if (ret) { | |
514 | wiphy_err(wiphy, "Failed to start BSS\n"); | |
515 | return ret; | |
516 | } | |
517 | ||
518 | break; | |
519 | case MWIFIEX_BSS_ROLE_STA: | |
520 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
521 | ret = mwifiex_set_rts(priv, | |
522 | wiphy->rts_threshold); | |
523 | if (ret) | |
524 | return ret; | |
525 | } | |
526 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { | |
527 | ret = mwifiex_set_frag(priv, | |
528 | wiphy->frag_threshold); | |
529 | if (ret) | |
530 | return ret; | |
531 | } | |
532 | break; | |
533 | } | |
534 | } | |
535 | ||
536 | return 0; | |
5e6e3a92 BZ |
537 | } |
538 | ||
539 | /* | |
540 | * CFG802.11 operation handler to change interface type. | |
5e6e3a92 BZ |
541 | */ |
542 | static int | |
543 | mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, | |
544 | struct net_device *dev, | |
545 | enum nl80211_iftype type, u32 *flags, | |
546 | struct vif_params *params) | |
547 | { | |
270e58e8 | 548 | int ret; |
5e6e3a92 | 549 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 550 | |
4f02341a | 551 | switch (dev->ieee80211_ptr->iftype) { |
5e6e3a92 | 552 | case NL80211_IFTYPE_ADHOC: |
4f02341a AP |
553 | switch (type) { |
554 | case NL80211_IFTYPE_STATION: | |
555 | break; | |
556 | case NL80211_IFTYPE_UNSPECIFIED: | |
557 | wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); | |
558 | case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ | |
559 | return 0; | |
560 | case NL80211_IFTYPE_AP: | |
561 | default: | |
562 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
563 | dev->name, type); | |
564 | return -EOPNOTSUPP; | |
565 | } | |
5e6e3a92 BZ |
566 | break; |
567 | case NL80211_IFTYPE_STATION: | |
4f02341a AP |
568 | switch (type) { |
569 | case NL80211_IFTYPE_ADHOC: | |
570 | break; | |
571 | case NL80211_IFTYPE_UNSPECIFIED: | |
572 | wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); | |
573 | case NL80211_IFTYPE_STATION: /* This shouldn't happen */ | |
574 | return 0; | |
575 | case NL80211_IFTYPE_AP: | |
576 | default: | |
577 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
578 | dev->name, type); | |
579 | return -EOPNOTSUPP; | |
580 | } | |
581 | break; | |
582 | case NL80211_IFTYPE_AP: | |
583 | switch (type) { | |
584 | case NL80211_IFTYPE_UNSPECIFIED: | |
585 | wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); | |
586 | case NL80211_IFTYPE_AP: /* This shouldn't happen */ | |
587 | return 0; | |
588 | case NL80211_IFTYPE_ADHOC: | |
589 | case NL80211_IFTYPE_STATION: | |
590 | default: | |
591 | wiphy_err(wiphy, "%s: changing to %d not supported\n", | |
592 | dev->name, type); | |
593 | return -EOPNOTSUPP; | |
594 | } | |
5e6e3a92 | 595 | break; |
5e6e3a92 | 596 | default: |
4f02341a AP |
597 | wiphy_err(wiphy, "%s: unknown iftype: %d\n", |
598 | dev->name, dev->ieee80211_ptr->iftype); | |
599 | return -EOPNOTSUPP; | |
5e6e3a92 | 600 | } |
5e6e3a92 | 601 | |
4f02341a AP |
602 | dev->ieee80211_ptr->iftype = type; |
603 | priv->bss_mode = type; | |
600f5d90 | 604 | mwifiex_deauthenticate(priv, NULL); |
eecd8250 | 605 | |
f986b6d5 | 606 | priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; |
eecd8250 | 607 | |
600f5d90 AK |
608 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE, |
609 | HostCmd_ACT_GEN_SET, 0, NULL); | |
eecd8250 | 610 | |
5e6e3a92 BZ |
611 | return ret; |
612 | } | |
613 | ||
614 | /* | |
615 | * This function dumps the station information on a buffer. | |
616 | * | |
617 | * The following information are shown - | |
618 | * - Total bytes transmitted | |
619 | * - Total bytes received | |
620 | * - Total packets transmitted | |
621 | * - Total packets received | |
622 | * - Signal quality level | |
623 | * - Transmission rate | |
624 | */ | |
625 | static int | |
626 | mwifiex_dump_station_info(struct mwifiex_private *priv, | |
627 | struct station_info *sinfo) | |
628 | { | |
5e6e3a92 | 629 | struct mwifiex_rate_cfg rate; |
5e6e3a92 BZ |
630 | |
631 | sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES | | |
7013d3e2 AK |
632 | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | |
633 | STATION_INFO_TX_BITRATE | | |
634 | STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; | |
5e6e3a92 BZ |
635 | |
636 | /* Get signal information from the firmware */ | |
958a4a86 AK |
637 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
638 | HostCmd_ACT_GEN_GET, 0, NULL)) { | |
639 | dev_err(priv->adapter->dev, "failed to get signal information\n"); | |
640 | return -EFAULT; | |
5e6e3a92 BZ |
641 | } |
642 | ||
643 | if (mwifiex_drv_get_data_rate(priv, &rate)) { | |
644 | dev_err(priv->adapter->dev, "getting data rate\n"); | |
958a4a86 | 645 | return -EFAULT; |
5e6e3a92 BZ |
646 | } |
647 | ||
caf60a6c AK |
648 | /* Get DTIM period information from firmware */ |
649 | mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB, | |
650 | HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, | |
651 | &priv->dtim_period); | |
652 | ||
4ec6f9c0 AK |
653 | /* |
654 | * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid | |
655 | * MCS index values for us are 0 to 7. | |
656 | */ | |
657 | if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) { | |
658 | sinfo->txrate.mcs = priv->tx_rate; | |
659 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
660 | /* 40MHz rate */ | |
661 | if (priv->tx_htinfo & BIT(1)) | |
662 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
663 | /* SGI enabled */ | |
664 | if (priv->tx_htinfo & BIT(2)) | |
665 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
666 | } | |
667 | ||
7013d3e2 | 668 | sinfo->signal_avg = priv->bcn_rssi_avg; |
5e6e3a92 BZ |
669 | sinfo->rx_bytes = priv->stats.rx_bytes; |
670 | sinfo->tx_bytes = priv->stats.tx_bytes; | |
671 | sinfo->rx_packets = priv->stats.rx_packets; | |
672 | sinfo->tx_packets = priv->stats.tx_packets; | |
958a4a86 | 673 | sinfo->signal = priv->bcn_rssi_avg; |
4ec6f9c0 AK |
674 | /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ |
675 | sinfo->txrate.legacy = rate.rate * 5; | |
5e6e3a92 | 676 | |
c4f3b972 AK |
677 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
678 | sinfo->filled |= STATION_INFO_BSS_PARAM; | |
679 | sinfo->bss_param.flags = 0; | |
680 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
681 | WLAN_CAPABILITY_SHORT_PREAMBLE) | |
682 | sinfo->bss_param.flags |= | |
683 | BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
684 | if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & | |
685 | WLAN_CAPABILITY_SHORT_SLOT_TIME) | |
686 | sinfo->bss_param.flags |= | |
687 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
caf60a6c | 688 | sinfo->bss_param.dtim_period = priv->dtim_period; |
c4f3b972 AK |
689 | sinfo->bss_param.beacon_interval = |
690 | priv->curr_bss_params.bss_descriptor.beacon_period; | |
691 | } | |
692 | ||
958a4a86 | 693 | return 0; |
5e6e3a92 BZ |
694 | } |
695 | ||
696 | /* | |
697 | * CFG802.11 operation handler to get station information. | |
698 | * | |
699 | * This function only works in connected mode, and dumps the | |
700 | * requested station information, if available. | |
701 | */ | |
702 | static int | |
703 | mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, | |
704 | u8 *mac, struct station_info *sinfo) | |
705 | { | |
706 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
5e6e3a92 | 707 | |
5e6e3a92 BZ |
708 | if (!priv->media_connected) |
709 | return -ENOENT; | |
710 | if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) | |
711 | return -ENOENT; | |
712 | ||
636c4598 | 713 | return mwifiex_dump_station_info(priv, sinfo); |
5e6e3a92 BZ |
714 | } |
715 | ||
f85aae6b AK |
716 | /* |
717 | * CFG802.11 operation handler to dump station information. | |
718 | */ | |
719 | static int | |
720 | mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
721 | int idx, u8 *mac, struct station_info *sinfo) | |
722 | { | |
723 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
724 | ||
725 | if (!priv->media_connected || idx) | |
726 | return -ENOENT; | |
727 | ||
728 | memcpy(mac, priv->cfg_bssid, ETH_ALEN); | |
729 | ||
730 | return mwifiex_dump_station_info(priv, sinfo); | |
731 | } | |
732 | ||
5e6e3a92 BZ |
733 | /* Supported rates to be advertised to the cfg80211 */ |
734 | ||
735 | static struct ieee80211_rate mwifiex_rates[] = { | |
736 | {.bitrate = 10, .hw_value = 2, }, | |
737 | {.bitrate = 20, .hw_value = 4, }, | |
738 | {.bitrate = 55, .hw_value = 11, }, | |
739 | {.bitrate = 110, .hw_value = 22, }, | |
5e6e3a92 BZ |
740 | {.bitrate = 60, .hw_value = 12, }, |
741 | {.bitrate = 90, .hw_value = 18, }, | |
742 | {.bitrate = 120, .hw_value = 24, }, | |
743 | {.bitrate = 180, .hw_value = 36, }, | |
744 | {.bitrate = 240, .hw_value = 48, }, | |
745 | {.bitrate = 360, .hw_value = 72, }, | |
746 | {.bitrate = 480, .hw_value = 96, }, | |
747 | {.bitrate = 540, .hw_value = 108, }, | |
5e6e3a92 BZ |
748 | }; |
749 | ||
750 | /* Channel definitions to be advertised to cfg80211 */ | |
751 | ||
752 | static struct ieee80211_channel mwifiex_channels_2ghz[] = { | |
753 | {.center_freq = 2412, .hw_value = 1, }, | |
754 | {.center_freq = 2417, .hw_value = 2, }, | |
755 | {.center_freq = 2422, .hw_value = 3, }, | |
756 | {.center_freq = 2427, .hw_value = 4, }, | |
757 | {.center_freq = 2432, .hw_value = 5, }, | |
758 | {.center_freq = 2437, .hw_value = 6, }, | |
759 | {.center_freq = 2442, .hw_value = 7, }, | |
760 | {.center_freq = 2447, .hw_value = 8, }, | |
761 | {.center_freq = 2452, .hw_value = 9, }, | |
762 | {.center_freq = 2457, .hw_value = 10, }, | |
763 | {.center_freq = 2462, .hw_value = 11, }, | |
764 | {.center_freq = 2467, .hw_value = 12, }, | |
765 | {.center_freq = 2472, .hw_value = 13, }, | |
766 | {.center_freq = 2484, .hw_value = 14, }, | |
767 | }; | |
768 | ||
769 | static struct ieee80211_supported_band mwifiex_band_2ghz = { | |
770 | .channels = mwifiex_channels_2ghz, | |
771 | .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), | |
772 | .bitrates = mwifiex_rates, | |
8763848e | 773 | .n_bitrates = ARRAY_SIZE(mwifiex_rates), |
5e6e3a92 BZ |
774 | }; |
775 | ||
776 | static struct ieee80211_channel mwifiex_channels_5ghz[] = { | |
777 | {.center_freq = 5040, .hw_value = 8, }, | |
778 | {.center_freq = 5060, .hw_value = 12, }, | |
779 | {.center_freq = 5080, .hw_value = 16, }, | |
780 | {.center_freq = 5170, .hw_value = 34, }, | |
781 | {.center_freq = 5190, .hw_value = 38, }, | |
782 | {.center_freq = 5210, .hw_value = 42, }, | |
783 | {.center_freq = 5230, .hw_value = 46, }, | |
784 | {.center_freq = 5180, .hw_value = 36, }, | |
785 | {.center_freq = 5200, .hw_value = 40, }, | |
786 | {.center_freq = 5220, .hw_value = 44, }, | |
787 | {.center_freq = 5240, .hw_value = 48, }, | |
788 | {.center_freq = 5260, .hw_value = 52, }, | |
789 | {.center_freq = 5280, .hw_value = 56, }, | |
790 | {.center_freq = 5300, .hw_value = 60, }, | |
791 | {.center_freq = 5320, .hw_value = 64, }, | |
792 | {.center_freq = 5500, .hw_value = 100, }, | |
793 | {.center_freq = 5520, .hw_value = 104, }, | |
794 | {.center_freq = 5540, .hw_value = 108, }, | |
795 | {.center_freq = 5560, .hw_value = 112, }, | |
796 | {.center_freq = 5580, .hw_value = 116, }, | |
797 | {.center_freq = 5600, .hw_value = 120, }, | |
798 | {.center_freq = 5620, .hw_value = 124, }, | |
799 | {.center_freq = 5640, .hw_value = 128, }, | |
800 | {.center_freq = 5660, .hw_value = 132, }, | |
801 | {.center_freq = 5680, .hw_value = 136, }, | |
802 | {.center_freq = 5700, .hw_value = 140, }, | |
803 | {.center_freq = 5745, .hw_value = 149, }, | |
804 | {.center_freq = 5765, .hw_value = 153, }, | |
805 | {.center_freq = 5785, .hw_value = 157, }, | |
806 | {.center_freq = 5805, .hw_value = 161, }, | |
807 | {.center_freq = 5825, .hw_value = 165, }, | |
808 | }; | |
809 | ||
810 | static struct ieee80211_supported_band mwifiex_band_5ghz = { | |
811 | .channels = mwifiex_channels_5ghz, | |
812 | .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), | |
eb416ad3 AP |
813 | .bitrates = mwifiex_rates + 4, |
814 | .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, | |
5e6e3a92 BZ |
815 | }; |
816 | ||
817 | ||
818 | /* Supported crypto cipher suits to be advertised to cfg80211 */ | |
819 | ||
820 | static const u32 mwifiex_cipher_suites[] = { | |
821 | WLAN_CIPHER_SUITE_WEP40, | |
822 | WLAN_CIPHER_SUITE_WEP104, | |
823 | WLAN_CIPHER_SUITE_TKIP, | |
824 | WLAN_CIPHER_SUITE_CCMP, | |
825 | }; | |
826 | ||
5d82c53a YAP |
827 | /* |
828 | * CFG802.11 operation handler for setting bit rates. | |
829 | * | |
830 | * Function selects legacy bang B/G/BG from corresponding bitrates selection. | |
831 | * Currently only 2.4GHz band is supported. | |
832 | */ | |
833 | static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, | |
834 | struct net_device *dev, | |
835 | const u8 *peer, | |
836 | const struct cfg80211_bitrate_mask *mask) | |
837 | { | |
5d82c53a YAP |
838 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
839 | int index = 0, mode = 0, i; | |
43906cdb | 840 | struct mwifiex_adapter *adapter = priv->adapter; |
5d82c53a YAP |
841 | |
842 | /* Currently only 2.4GHz is supported */ | |
843 | for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { | |
844 | /* | |
845 | * Rates below 6 Mbps in the table are CCK rates; 802.11b | |
846 | * and from 6 they are OFDM; 802.11G | |
847 | */ | |
848 | if (mwifiex_rates[i].bitrate == 60) { | |
849 | index = 1 << i; | |
850 | break; | |
851 | } | |
852 | } | |
853 | ||
854 | if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) { | |
855 | mode = BAND_B; | |
856 | } else { | |
857 | mode = BAND_G; | |
858 | if (mask->control[IEEE80211_BAND_2GHZ].legacy % index) | |
859 | mode |= BAND_B; | |
860 | } | |
861 | ||
43906cdb AK |
862 | if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) { |
863 | adapter->config_bands = mode; | |
864 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { | |
865 | adapter->adhoc_start_band = mode; | |
866 | adapter->adhoc_11n_enabled = false; | |
867 | } | |
868 | } | |
21c3ba34 | 869 | adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; |
3aebee02 | 870 | adapter->channel_type = NL80211_CHAN_NO_HT; |
5d82c53a YAP |
871 | |
872 | wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n", | |
aea0701e | 873 | (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : ""); |
5d82c53a YAP |
874 | |
875 | return 0; | |
876 | } | |
877 | ||
fa444bf8 AK |
878 | /* |
879 | * CFG802.11 operation handler for connection quality monitoring. | |
880 | * | |
881 | * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI | |
882 | * events to FW. | |
883 | */ | |
884 | static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, | |
885 | struct net_device *dev, | |
886 | s32 rssi_thold, u32 rssi_hyst) | |
887 | { | |
888 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
889 | struct mwifiex_ds_misc_subsc_evt subsc_evt; | |
890 | ||
891 | priv->cqm_rssi_thold = rssi_thold; | |
892 | priv->cqm_rssi_hyst = rssi_hyst; | |
893 | ||
894 | memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); | |
895 | subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; | |
896 | ||
897 | /* Subscribe/unsubscribe low and high rssi events */ | |
898 | if (rssi_thold && rssi_hyst) { | |
899 | subsc_evt.action = HostCmd_ACT_BITWISE_SET; | |
900 | subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); | |
901 | subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); | |
902 | subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; | |
903 | subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; | |
904 | return mwifiex_send_cmd_sync(priv, | |
905 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
906 | 0, 0, &subsc_evt); | |
907 | } else { | |
908 | subsc_evt.action = HostCmd_ACT_BITWISE_CLR; | |
909 | return mwifiex_send_cmd_sync(priv, | |
910 | HostCmd_CMD_802_11_SUBSCRIBE_EVENT, | |
911 | 0, 0, &subsc_evt); | |
912 | } | |
913 | ||
914 | return 0; | |
915 | } | |
916 | ||
12190c5d AP |
917 | /* cfg80211 operation handler for stop ap. |
918 | * Function stops BSS running at uAP interface. | |
919 | */ | |
920 | static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) | |
921 | { | |
922 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
923 | ||
40bbc21a AP |
924 | if (mwifiex_del_mgmt_ies(priv)) |
925 | wiphy_err(wiphy, "Failed to delete mgmt IEs!\n"); | |
926 | ||
12190c5d AP |
927 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
928 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
929 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
930 | return -1; | |
931 | } | |
932 | ||
933 | return 0; | |
934 | } | |
935 | ||
936 | /* cfg80211 operation handler for start_ap. | |
937 | * Function sets beacon period, DTIM period, SSID and security into | |
938 | * AP config structure. | |
939 | * AP is configured with these settings and BSS is started. | |
940 | */ | |
941 | static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, | |
942 | struct net_device *dev, | |
943 | struct cfg80211_ap_settings *params) | |
944 | { | |
945 | struct mwifiex_uap_bss_param *bss_cfg; | |
946 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
947 | ||
f752dcd5 AP |
948 | if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) |
949 | return -1; | |
f31acabe AP |
950 | if (mwifiex_set_mgmt_ies(priv, params)) |
951 | return -1; | |
f752dcd5 | 952 | |
12190c5d AP |
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 | ||
605b73af AP |
969 | switch (params->hidden_ssid) { |
970 | case NL80211_HIDDEN_SSID_NOT_IN_USE: | |
971 | bss_cfg->bcast_ssid_ctl = 1; | |
972 | break; | |
973 | case NL80211_HIDDEN_SSID_ZERO_LEN: | |
974 | bss_cfg->bcast_ssid_ctl = 0; | |
975 | break; | |
976 | case NL80211_HIDDEN_SSID_ZERO_CONTENTS: | |
977 | /* firmware doesn't support this type of hidden SSID */ | |
978 | default: | |
979 | return -EINVAL; | |
980 | } | |
981 | ||
0abd79e5 AP |
982 | bss_cfg->channel = |
983 | (u8)ieee80211_frequency_to_channel(params->channel->center_freq); | |
984 | bss_cfg->band_cfg = BAND_CONFIG_MANUAL; | |
985 | ||
986 | if (mwifiex_set_rf_channel(priv, params->channel, | |
987 | params->channel_type)) { | |
988 | kfree(bss_cfg); | |
989 | wiphy_err(wiphy, "Failed to set band config information!\n"); | |
990 | return -1; | |
991 | } | |
992 | ||
f752dcd5 AP |
993 | if (mwifiex_set_secure_params(priv, bss_cfg, params)) { |
994 | kfree(bss_cfg); | |
995 | wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); | |
996 | return -1; | |
997 | } | |
998 | ||
22281256 AP |
999 | mwifiex_set_ht_params(priv, bss_cfg, params); |
1000 | ||
12190c5d AP |
1001 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
1002 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
1003 | wiphy_err(wiphy, "Failed to stop the BSS\n"); | |
1004 | kfree(bss_cfg); | |
1005 | return -1; | |
1006 | } | |
1007 | ||
1008 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, | |
e76268da AP |
1009 | HostCmd_ACT_GEN_SET, |
1010 | UAP_BSS_PARAMS_I, bss_cfg)) { | |
12190c5d AP |
1011 | wiphy_err(wiphy, "Failed to set the SSID\n"); |
1012 | kfree(bss_cfg); | |
1013 | return -1; | |
1014 | } | |
1015 | ||
1016 | kfree(bss_cfg); | |
1017 | ||
1018 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START, | |
1019 | HostCmd_ACT_GEN_SET, 0, NULL)) { | |
1020 | wiphy_err(wiphy, "Failed to start the BSS\n"); | |
1021 | return -1; | |
1022 | } | |
1023 | ||
96893538 AP |
1024 | if (priv->sec_info.wep_enabled) |
1025 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; | |
1026 | else | |
1027 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; | |
1028 | ||
1029 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, | |
1030 | HostCmd_ACT_GEN_SET, 0, | |
1031 | &priv->curr_pkt_filter)) | |
1032 | return -1; | |
1033 | ||
12190c5d AP |
1034 | return 0; |
1035 | } | |
1036 | ||
5e6e3a92 BZ |
1037 | /* |
1038 | * CFG802.11 operation handler for disconnection request. | |
1039 | * | |
1040 | * This function does not work when there is already a disconnection | |
1041 | * procedure going on. | |
1042 | */ | |
1043 | static int | |
1044 | mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, | |
1045 | u16 reason_code) | |
1046 | { | |
1047 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1048 | ||
600f5d90 | 1049 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1050 | return -EFAULT; |
1051 | ||
1052 | wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" | |
1053 | " reason code %d\n", priv->cfg_bssid, reason_code); | |
1054 | ||
38c9d664 | 1055 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1056 | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | /* | |
1061 | * This function informs the CFG802.11 subsystem of a new IBSS. | |
1062 | * | |
1063 | * The following information are sent to the CFG802.11 subsystem | |
1064 | * to register the new IBSS. If we do not register the new IBSS, | |
1065 | * a kernel panic will result. | |
1066 | * - SSID | |
1067 | * - SSID length | |
1068 | * - BSSID | |
1069 | * - Channel | |
1070 | */ | |
1071 | static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) | |
1072 | { | |
5e6e3a92 BZ |
1073 | struct ieee80211_channel *chan; |
1074 | struct mwifiex_bss_info bss_info; | |
aa95a48d | 1075 | struct cfg80211_bss *bss; |
270e58e8 | 1076 | int ie_len; |
5e6e3a92 | 1077 | u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; |
4ed5d521 | 1078 | enum ieee80211_band band; |
5e6e3a92 | 1079 | |
636c4598 YAP |
1080 | if (mwifiex_get_bss_info(priv, &bss_info)) |
1081 | return -1; | |
5e6e3a92 BZ |
1082 | |
1083 | ie_buf[0] = WLAN_EID_SSID; | |
1084 | ie_buf[1] = bss_info.ssid.ssid_len; | |
1085 | ||
1086 | memcpy(&ie_buf[sizeof(struct ieee_types_header)], | |
aea0701e | 1087 | &bss_info.ssid.ssid, bss_info.ssid.ssid_len); |
5e6e3a92 BZ |
1088 | ie_len = ie_buf[1] + sizeof(struct ieee_types_header); |
1089 | ||
4ed5d521 | 1090 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
5e6e3a92 BZ |
1091 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
1092 | ieee80211_channel_to_frequency(bss_info.bss_chan, | |
4ed5d521 | 1093 | band)); |
5e6e3a92 | 1094 | |
aa95a48d | 1095 | bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, |
aea0701e YAP |
1096 | bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, |
1097 | 0, ie_buf, ie_len, 0, GFP_KERNEL); | |
aa95a48d | 1098 | cfg80211_put_bss(bss); |
5e6e3a92 BZ |
1099 | memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); |
1100 | ||
636c4598 | 1101 | return 0; |
5e6e3a92 BZ |
1102 | } |
1103 | ||
5e6e3a92 BZ |
1104 | /* |
1105 | * This function connects with a BSS. | |
1106 | * | |
1107 | * This function handles both Infra and Ad-Hoc modes. It also performs | |
1108 | * validity checking on the provided parameters, disconnects from the | |
1109 | * current BSS (if any), sets up the association/scan parameters, | |
1110 | * including security settings, and performs specific SSID scan before | |
1111 | * trying to connect. | |
1112 | * | |
1113 | * For Infra mode, the function returns failure if the specified SSID | |
1114 | * is not found in scan table. However, for Ad-Hoc mode, it can create | |
1115 | * the IBSS if it does not exist. On successful completion in either case, | |
7c6fa2a8 | 1116 | * the function notifies the CFG802.11 subsystem of the new BSS connection. |
5e6e3a92 BZ |
1117 | */ |
1118 | static int | |
1119 | mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid, | |
1120 | u8 *bssid, int mode, struct ieee80211_channel *channel, | |
1121 | struct cfg80211_connect_params *sme, bool privacy) | |
1122 | { | |
b9be5f39 | 1123 | struct cfg80211_ssid req_ssid; |
270e58e8 | 1124 | int ret, auth_type = 0; |
7c6fa2a8 AK |
1125 | struct cfg80211_bss *bss = NULL; |
1126 | u8 is_scanning_required = 0; | |
5e6e3a92 | 1127 | |
b9be5f39 | 1128 | memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); |
5e6e3a92 BZ |
1129 | |
1130 | req_ssid.ssid_len = ssid_len; | |
1131 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
1132 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1133 | return -EINVAL; | |
1134 | } | |
1135 | ||
1136 | memcpy(req_ssid.ssid, ssid, ssid_len); | |
1137 | if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { | |
1138 | dev_err(priv->adapter->dev, "invalid SSID - aborting\n"); | |
1139 | return -EINVAL; | |
1140 | } | |
1141 | ||
1142 | /* disconnect before try to associate */ | |
600f5d90 | 1143 | mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
1144 | |
1145 | if (channel) | |
1146 | ret = mwifiex_set_rf_channel(priv, channel, | |
3aebee02 | 1147 | priv->adapter->channel_type); |
5e6e3a92 | 1148 | |
6670f15b AK |
1149 | /* As this is new association, clear locally stored |
1150 | * keys and security related flags */ | |
1151 | priv->sec_info.wpa_enabled = false; | |
1152 | priv->sec_info.wpa2_enabled = false; | |
1153 | priv->wep_key_curr_index = 0; | |
00f157b4 | 1154 | priv->sec_info.encryption_mode = 0; |
a0f6d6ca | 1155 | priv->sec_info.is_authtype_auto = 0; |
75edd2c6 | 1156 | ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1); |
5e6e3a92 | 1157 | |
eecd8250 | 1158 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1159 | /* "privacy" is set only for ad-hoc mode */ |
1160 | if (privacy) { | |
1161 | /* | |
2be50b8d | 1162 | * Keep WLAN_CIPHER_SUITE_WEP104 for now so that |
5e6e3a92 BZ |
1163 | * the firmware can find a matching network from the |
1164 | * scan. The cfg80211 does not give us the encryption | |
1165 | * mode at this stage so just setting it to WEP here. | |
1166 | */ | |
203afeca | 1167 | priv->sec_info.encryption_mode = |
2be50b8d | 1168 | WLAN_CIPHER_SUITE_WEP104; |
203afeca | 1169 | priv->sec_info.authentication_mode = |
f986b6d5 | 1170 | NL80211_AUTHTYPE_OPEN_SYSTEM; |
5e6e3a92 BZ |
1171 | } |
1172 | ||
1173 | goto done; | |
1174 | } | |
1175 | ||
1176 | /* Now handle infra mode. "sme" is valid for infra mode only */ | |
a0f6d6ca | 1177 | if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { |
f986b6d5 | 1178 | auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
a0f6d6ca AK |
1179 | priv->sec_info.is_authtype_auto = 1; |
1180 | } else { | |
1181 | auth_type = sme->auth_type; | |
1182 | } | |
5e6e3a92 BZ |
1183 | |
1184 | if (sme->crypto.n_ciphers_pairwise) { | |
2be50b8d YAP |
1185 | priv->sec_info.encryption_mode = |
1186 | sme->crypto.ciphers_pairwise[0]; | |
203afeca | 1187 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1188 | } |
1189 | ||
1190 | if (sme->crypto.cipher_group) { | |
2be50b8d | 1191 | priv->sec_info.encryption_mode = sme->crypto.cipher_group; |
203afeca | 1192 | priv->sec_info.authentication_mode = auth_type; |
5e6e3a92 BZ |
1193 | } |
1194 | if (sme->ie) | |
1195 | ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); | |
1196 | ||
1197 | if (sme->key) { | |
e6faada5 | 1198 | if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { |
5e6e3a92 BZ |
1199 | dev_dbg(priv->adapter->dev, |
1200 | "info: setting wep encryption" | |
1201 | " with key len %d\n", sme->key_len); | |
6670f15b | 1202 | priv->wep_key_curr_index = sme->key_idx; |
5e6e3a92 | 1203 | ret = mwifiex_set_encode(priv, sme->key, sme->key_len, |
75edd2c6 | 1204 | sme->key_idx, NULL, 0); |
5e6e3a92 BZ |
1205 | } |
1206 | } | |
1207 | done: | |
7c6fa2a8 AK |
1208 | /* |
1209 | * Scan entries are valid for some time (15 sec). So we can save one | |
1210 | * active scan time if we just try cfg80211_get_bss first. If it fails | |
1211 | * then request scan and cfg80211_get_bss() again for final output. | |
1212 | */ | |
1213 | while (1) { | |
1214 | if (is_scanning_required) { | |
1215 | /* Do specific SSID scanning */ | |
1216 | if (mwifiex_request_scan(priv, &req_ssid)) { | |
1217 | dev_err(priv->adapter->dev, "scan error\n"); | |
1218 | return -EFAULT; | |
1219 | } | |
1220 | } | |
5e6e3a92 | 1221 | |
7c6fa2a8 AK |
1222 | /* Find the BSS we want using available scan results */ |
1223 | if (mode == NL80211_IFTYPE_ADHOC) | |
1224 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1225 | bssid, ssid, ssid_len, | |
1226 | WLAN_CAPABILITY_IBSS, | |
1227 | WLAN_CAPABILITY_IBSS); | |
1228 | else | |
1229 | bss = cfg80211_get_bss(priv->wdev->wiphy, channel, | |
1230 | bssid, ssid, ssid_len, | |
1231 | WLAN_CAPABILITY_ESS, | |
1232 | WLAN_CAPABILITY_ESS); | |
1233 | ||
1234 | if (!bss) { | |
1235 | if (is_scanning_required) { | |
aea0701e YAP |
1236 | dev_warn(priv->adapter->dev, |
1237 | "assoc: requested bss not found in scan results\n"); | |
7c6fa2a8 AK |
1238 | break; |
1239 | } | |
1240 | is_scanning_required = 1; | |
1241 | } else { | |
aea0701e YAP |
1242 | dev_dbg(priv->adapter->dev, |
1243 | "info: trying to associate to '%s' bssid %pM\n", | |
1244 | (char *) req_ssid.ssid, bss->bssid); | |
7c6fa2a8 AK |
1245 | memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); |
1246 | break; | |
1247 | } | |
5e6e3a92 BZ |
1248 | } |
1249 | ||
7c6fa2a8 | 1250 | if (mwifiex_bss_start(priv, bss, &req_ssid)) |
5e6e3a92 BZ |
1251 | return -EFAULT; |
1252 | ||
eecd8250 | 1253 | if (mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1254 | /* Inform the BSS information to kernel, otherwise |
1255 | * kernel will give a panic after successful assoc */ | |
1256 | if (mwifiex_cfg80211_inform_ibss_bss(priv)) | |
1257 | return -EFAULT; | |
1258 | } | |
1259 | ||
1260 | return ret; | |
1261 | } | |
1262 | ||
1263 | /* | |
1264 | * CFG802.11 operation handler for association request. | |
1265 | * | |
1266 | * This function does not work when the current mode is set to Ad-Hoc, or | |
1267 | * when there is already an association procedure going on. The given BSS | |
1268 | * information is used to associate. | |
1269 | */ | |
1270 | static int | |
1271 | mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, | |
1272 | struct cfg80211_connect_params *sme) | |
1273 | { | |
1274 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); | |
1275 | int ret = 0; | |
5e6e3a92 | 1276 | |
eecd8250 | 1277 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1278 | wiphy_err(wiphy, "received infra assoc request " |
1279 | "when station is in ibss mode\n"); | |
1280 | goto done; | |
1281 | } | |
1282 | ||
e568634a AP |
1283 | if (priv->bss_mode == NL80211_IFTYPE_AP) { |
1284 | wiphy_err(wiphy, "skip association request for AP interface\n"); | |
1285 | goto done; | |
1286 | } | |
1287 | ||
5e6e3a92 | 1288 | wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n", |
aea0701e | 1289 | (char *) sme->ssid, sme->bssid); |
5e6e3a92 BZ |
1290 | |
1291 | ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, | |
eecd8250 | 1292 | priv->bss_mode, sme->channel, sme, 0); |
5e6e3a92 | 1293 | done: |
38c9d664 AK |
1294 | if (!ret) { |
1295 | cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, | |
1296 | NULL, 0, WLAN_STATUS_SUCCESS, | |
1297 | GFP_KERNEL); | |
1298 | dev_dbg(priv->adapter->dev, | |
1299 | "info: associated to bssid %pM successfully\n", | |
1300 | priv->cfg_bssid); | |
1301 | } else { | |
1302 | dev_dbg(priv->adapter->dev, | |
1303 | "info: association to bssid %pM failed\n", | |
1304 | priv->cfg_bssid); | |
1305 | memset(priv->cfg_bssid, 0, ETH_ALEN); | |
1306 | } | |
1307 | ||
5e6e3a92 BZ |
1308 | return ret; |
1309 | } | |
1310 | ||
1311 | /* | |
1312 | * CFG802.11 operation handler to join an IBSS. | |
1313 | * | |
1314 | * This function does not work in any mode other than Ad-Hoc, or if | |
1315 | * a join operation is already in progress. | |
1316 | */ | |
1317 | static int | |
1318 | mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, | |
1319 | struct cfg80211_ibss_params *params) | |
1320 | { | |
f540f9f3 | 1321 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1322 | int ret = 0; |
5e6e3a92 | 1323 | |
eecd8250 | 1324 | if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1325 | wiphy_err(wiphy, "request to join ibss received " |
1326 | "when station is not in ibss mode\n"); | |
1327 | goto done; | |
1328 | } | |
1329 | ||
5e6e3a92 | 1330 | wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n", |
aea0701e | 1331 | (char *) params->ssid, params->bssid); |
5e6e3a92 BZ |
1332 | |
1333 | ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, | |
aea0701e YAP |
1334 | params->bssid, priv->bss_mode, |
1335 | params->channel, NULL, params->privacy); | |
5e6e3a92 | 1336 | done: |
38c9d664 AK |
1337 | if (!ret) { |
1338 | cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); | |
1339 | dev_dbg(priv->adapter->dev, | |
1340 | "info: joined/created adhoc network with bssid" | |
1341 | " %pM successfully\n", priv->cfg_bssid); | |
1342 | } else { | |
1343 | dev_dbg(priv->adapter->dev, | |
1344 | "info: failed creating/joining adhoc network\n"); | |
1345 | } | |
1346 | ||
5e6e3a92 BZ |
1347 | return ret; |
1348 | } | |
1349 | ||
1350 | /* | |
1351 | * CFG802.11 operation handler to leave an IBSS. | |
1352 | * | |
1353 | * This function does not work if a leave operation is | |
1354 | * already in progress. | |
1355 | */ | |
1356 | static int | |
1357 | mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1358 | { | |
f540f9f3 | 1359 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
5e6e3a92 | 1360 | |
5e6e3a92 | 1361 | wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", |
aea0701e | 1362 | priv->cfg_bssid); |
600f5d90 | 1363 | if (mwifiex_deauthenticate(priv, NULL)) |
5e6e3a92 BZ |
1364 | return -EFAULT; |
1365 | ||
38c9d664 | 1366 | memset(priv->cfg_bssid, 0, ETH_ALEN); |
5e6e3a92 BZ |
1367 | |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | /* | |
1372 | * CFG802.11 operation handler for scan request. | |
1373 | * | |
1374 | * This function issues a scan request to the firmware based upon | |
1375 | * the user specified scan configuration. On successfull completion, | |
1376 | * it also informs the results. | |
1377 | */ | |
1378 | static int | |
fd014284 | 1379 | mwifiex_cfg80211_scan(struct wiphy *wiphy, |
5e6e3a92 BZ |
1380 | struct cfg80211_scan_request *request) |
1381 | { | |
fd014284 | 1382 | struct net_device *dev = request->wdev->netdev; |
5e6e3a92 | 1383 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
38c9d664 AK |
1384 | int i; |
1385 | struct ieee80211_channel *chan; | |
5e6e3a92 BZ |
1386 | |
1387 | wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); | |
1388 | ||
5e6e3a92 BZ |
1389 | priv->scan_request = request; |
1390 | ||
38c9d664 | 1391 | priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), |
aea0701e | 1392 | GFP_KERNEL); |
38c9d664 AK |
1393 | if (!priv->user_scan_cfg) { |
1394 | dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); | |
1395 | return -ENOMEM; | |
1396 | } | |
be0b281e AK |
1397 | |
1398 | priv->user_scan_cfg->num_ssids = request->n_ssids; | |
1399 | priv->user_scan_cfg->ssid_list = request->ssids; | |
1400 | ||
13d7ba78 AP |
1401 | if (request->ie && request->ie_len) { |
1402 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1403 | if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) | |
1404 | continue; | |
1405 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; | |
1406 | memcpy(&priv->vs_ie[i].ie, request->ie, | |
1407 | request->ie_len); | |
1408 | break; | |
1409 | } | |
1410 | } | |
1411 | ||
38c9d664 AK |
1412 | for (i = 0; i < request->n_channels; i++) { |
1413 | chan = request->channels[i]; | |
1414 | priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; | |
1415 | priv->user_scan_cfg->chan_list[i].radio_type = chan->band; | |
1416 | ||
1417 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
1418 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1419 | MWIFIEX_SCAN_TYPE_PASSIVE; |
38c9d664 AK |
1420 | else |
1421 | priv->user_scan_cfg->chan_list[i].scan_type = | |
aea0701e | 1422 | MWIFIEX_SCAN_TYPE_ACTIVE; |
38c9d664 AK |
1423 | |
1424 | priv->user_scan_cfg->chan_list[i].scan_time = 0; | |
1425 | } | |
1426 | if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) | |
1427 | return -EFAULT; | |
1428 | ||
13d7ba78 AP |
1429 | if (request->ie && request->ie_len) { |
1430 | for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { | |
1431 | if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { | |
1432 | priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; | |
1433 | memset(&priv->vs_ie[i].ie, 0, | |
1434 | MWIFIEX_MAX_VSIE_LEN); | |
1435 | } | |
1436 | } | |
1437 | } | |
5e6e3a92 BZ |
1438 | return 0; |
1439 | } | |
1440 | ||
1441 | /* | |
1442 | * This function sets up the CFG802.11 specific HT capability fields | |
1443 | * with default values. | |
1444 | * | |
1445 | * The following default values are set - | |
1446 | * - HT Supported = True | |
a46b7b5c AK |
1447 | * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K |
1448 | * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE | |
1449 | * - HT Capabilities supported by firmware | |
5e6e3a92 BZ |
1450 | * - MCS information, Rx mask = 0xff |
1451 | * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) | |
1452 | */ | |
1453 | static void | |
1454 | mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, | |
1455 | struct mwifiex_private *priv) | |
1456 | { | |
1457 | int rx_mcs_supp; | |
1458 | struct ieee80211_mcs_info mcs_set; | |
1459 | u8 *mcs = (u8 *)&mcs_set; | |
1460 | struct mwifiex_adapter *adapter = priv->adapter; | |
1461 | ||
1462 | ht_info->ht_supported = true; | |
a46b7b5c AK |
1463 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
1464 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; | |
5e6e3a92 BZ |
1465 | |
1466 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
5e6e3a92 | 1467 | |
a46b7b5c AK |
1468 | /* Fill HT capability information */ |
1469 | if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) | |
1470 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1471 | else | |
1472 | ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; | |
1473 | ||
1474 | if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) | |
1475 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1476 | else | |
1477 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; | |
1478 | ||
1479 | if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) | |
1480 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1481 | else | |
1482 | ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; | |
1483 | ||
1484 | if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1485 | ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; | |
1486 | else | |
1487 | ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); | |
1488 | ||
1489 | if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) | |
1490 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; | |
1491 | else | |
1492 | ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; | |
1493 | ||
1494 | ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; | |
1495 | ht_info->cap |= IEEE80211_HT_CAP_SM_PS; | |
1496 | ||
1497 | rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); | |
5e6e3a92 BZ |
1498 | /* Set MCS for 1x1 */ |
1499 | memset(mcs, 0xff, rx_mcs_supp); | |
1500 | /* Clear all the other values */ | |
1501 | memset(&mcs[rx_mcs_supp], 0, | |
aea0701e | 1502 | sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); |
eecd8250 | 1503 | if (priv->bss_mode == NL80211_IFTYPE_STATION || |
aea0701e | 1504 | ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) |
5e6e3a92 BZ |
1505 | /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ |
1506 | SETHT_MCS32(mcs_set.rx_mask); | |
1507 | ||
1508 | memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); | |
1509 | ||
1510 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1511 | } | |
1512 | ||
93a1df48 YAP |
1513 | /* |
1514 | * create a new virtual interface with the given name | |
1515 | */ | |
84efbb84 JB |
1516 | struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, |
1517 | char *name, | |
1518 | enum nl80211_iftype type, | |
1519 | u32 *flags, | |
1520 | struct vif_params *params) | |
93a1df48 | 1521 | { |
67fdf39e AP |
1522 | struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); |
1523 | struct mwifiex_private *priv; | |
93a1df48 YAP |
1524 | struct net_device *dev; |
1525 | void *mdev_priv; | |
d6bffe8b | 1526 | struct wireless_dev *wdev; |
93a1df48 | 1527 | |
93a1df48 YAP |
1528 | if (!adapter) |
1529 | return NULL; | |
1530 | ||
1531 | switch (type) { | |
1532 | case NL80211_IFTYPE_UNSPECIFIED: | |
1533 | case NL80211_IFTYPE_STATION: | |
1534 | case NL80211_IFTYPE_ADHOC: | |
d6bffe8b | 1535 | priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; |
93a1df48 | 1536 | if (priv->bss_mode) { |
d6bffe8b AP |
1537 | wiphy_err(wiphy, |
1538 | "cannot create multiple sta/adhoc ifaces\n"); | |
93a1df48 YAP |
1539 | return NULL; |
1540 | } | |
1541 | ||
d6bffe8b AP |
1542 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
1543 | if (!wdev) | |
1544 | return NULL; | |
1545 | ||
1546 | wdev->wiphy = wiphy; | |
1547 | priv->wdev = wdev; | |
1548 | wdev->iftype = NL80211_IFTYPE_STATION; | |
1549 | ||
93a1df48 YAP |
1550 | if (type == NL80211_IFTYPE_UNSPECIFIED) |
1551 | priv->bss_mode = NL80211_IFTYPE_STATION; | |
1552 | else | |
1553 | priv->bss_mode = type; | |
1554 | ||
1555 | priv->bss_type = MWIFIEX_BSS_TYPE_STA; | |
1556 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
d6bffe8b | 1557 | priv->bss_priority = MWIFIEX_BSS_ROLE_STA; |
93a1df48 | 1558 | priv->bss_role = MWIFIEX_BSS_ROLE_STA; |
93a1df48 YAP |
1559 | priv->bss_num = 0; |
1560 | ||
d6bffe8b AP |
1561 | break; |
1562 | case NL80211_IFTYPE_AP: | |
1563 | priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP]; | |
1564 | ||
1565 | if (priv->bss_mode) { | |
1566 | wiphy_err(wiphy, "Can't create multiple AP interfaces"); | |
1567 | return NULL; | |
1568 | } | |
1569 | ||
1570 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); | |
1571 | if (!wdev) | |
1572 | return NULL; | |
1573 | ||
1574 | priv->wdev = wdev; | |
1575 | wdev->wiphy = wiphy; | |
1576 | wdev->iftype = NL80211_IFTYPE_AP; | |
1577 | ||
1578 | priv->bss_type = MWIFIEX_BSS_TYPE_UAP; | |
1579 | priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; | |
1580 | priv->bss_priority = MWIFIEX_BSS_ROLE_UAP; | |
1581 | priv->bss_role = MWIFIEX_BSS_ROLE_UAP; | |
1582 | priv->bss_started = 0; | |
1583 | priv->bss_num = 0; | |
1584 | priv->bss_mode = type; | |
1585 | ||
93a1df48 YAP |
1586 | break; |
1587 | default: | |
1588 | wiphy_err(wiphy, "type not supported\n"); | |
1589 | return NULL; | |
1590 | } | |
1591 | ||
1592 | dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, | |
1593 | ether_setup, 1); | |
1594 | if (!dev) { | |
1595 | wiphy_err(wiphy, "no memory available for netdevice\n"); | |
1596 | goto error; | |
1597 | } | |
1598 | ||
d6bffe8b AP |
1599 | mwifiex_init_priv_params(priv, dev); |
1600 | priv->netdev = dev; | |
1601 | ||
1602 | mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); | |
1603 | ||
1604 | if (adapter->config_bands & BAND_A) | |
1605 | mwifiex_setup_ht_caps( | |
1606 | &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); | |
1607 | ||
93a1df48 YAP |
1608 | dev_net_set(dev, wiphy_net(wiphy)); |
1609 | dev->ieee80211_ptr = priv->wdev; | |
1610 | dev->ieee80211_ptr->iftype = priv->bss_mode; | |
1611 | memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); | |
1612 | memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN); | |
1613 | SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); | |
1614 | ||
1615 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
1616 | dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; | |
1617 | dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; | |
1618 | ||
1619 | mdev_priv = netdev_priv(dev); | |
1620 | *((unsigned long *) mdev_priv) = (unsigned long) priv; | |
1621 | ||
93a1df48 YAP |
1622 | SET_NETDEV_DEV(dev, adapter->dev); |
1623 | ||
1624 | /* Register network device */ | |
1625 | if (register_netdevice(dev)) { | |
1626 | wiphy_err(wiphy, "cannot register virtual network device\n"); | |
1627 | goto error; | |
1628 | } | |
1629 | ||
1630 | sema_init(&priv->async_sem, 1); | |
1631 | priv->scan_pending_on_block = false; | |
1632 | ||
1633 | dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); | |
1634 | ||
1635 | #ifdef CONFIG_DEBUG_FS | |
1636 | mwifiex_dev_debugfs_init(priv); | |
1637 | #endif | |
84efbb84 | 1638 | return wdev; |
93a1df48 YAP |
1639 | error: |
1640 | if (dev && (dev->reg_state == NETREG_UNREGISTERED)) | |
1641 | free_netdev(dev); | |
1642 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; | |
1643 | ||
1644 | return NULL; | |
1645 | } | |
1646 | EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); | |
1647 | ||
1648 | /* | |
1649 | * del_virtual_intf: remove the virtual interface determined by dev | |
1650 | */ | |
84efbb84 | 1651 | int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
93a1df48 | 1652 | { |
84efbb84 | 1653 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); |
93a1df48 YAP |
1654 | |
1655 | #ifdef CONFIG_DEBUG_FS | |
1656 | mwifiex_dev_debugfs_remove(priv); | |
1657 | #endif | |
1658 | ||
1659 | if (!netif_queue_stopped(priv->netdev)) | |
1660 | netif_stop_queue(priv->netdev); | |
1661 | ||
1662 | if (netif_carrier_ok(priv->netdev)) | |
1663 | netif_carrier_off(priv->netdev); | |
1664 | ||
84efbb84 JB |
1665 | if (wdev->netdev->reg_state == NETREG_REGISTERED) |
1666 | unregister_netdevice(wdev->netdev); | |
93a1df48 | 1667 | |
84efbb84 JB |
1668 | if (wdev->netdev->reg_state == NETREG_UNREGISTERED) |
1669 | free_netdev(wdev->netdev); | |
93a1df48 YAP |
1670 | |
1671 | /* Clear the priv in adapter */ | |
1672 | priv->netdev = NULL; | |
1673 | ||
1674 | priv->media_connected = false; | |
1675 | ||
93a1df48 YAP |
1676 | priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; |
1677 | ||
1678 | return 0; | |
1679 | } | |
1680 | EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); | |
1681 | ||
5e6e3a92 BZ |
1682 | /* station cfg80211 operations */ |
1683 | static struct cfg80211_ops mwifiex_cfg80211_ops = { | |
93a1df48 YAP |
1684 | .add_virtual_intf = mwifiex_add_virtual_intf, |
1685 | .del_virtual_intf = mwifiex_del_virtual_intf, | |
5e6e3a92 BZ |
1686 | .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, |
1687 | .scan = mwifiex_cfg80211_scan, | |
1688 | .connect = mwifiex_cfg80211_connect, | |
1689 | .disconnect = mwifiex_cfg80211_disconnect, | |
1690 | .get_station = mwifiex_cfg80211_get_station, | |
f85aae6b | 1691 | .dump_station = mwifiex_cfg80211_dump_station, |
5e6e3a92 | 1692 | .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, |
5e6e3a92 BZ |
1693 | .join_ibss = mwifiex_cfg80211_join_ibss, |
1694 | .leave_ibss = mwifiex_cfg80211_leave_ibss, | |
1695 | .add_key = mwifiex_cfg80211_add_key, | |
1696 | .del_key = mwifiex_cfg80211_del_key, | |
1697 | .set_default_key = mwifiex_cfg80211_set_default_key, | |
1698 | .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, | |
1699 | .set_tx_power = mwifiex_cfg80211_set_tx_power, | |
5d82c53a | 1700 | .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, |
12190c5d AP |
1701 | .start_ap = mwifiex_cfg80211_start_ap, |
1702 | .stop_ap = mwifiex_cfg80211_stop_ap, | |
fa444bf8 | 1703 | .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, |
5e6e3a92 BZ |
1704 | }; |
1705 | ||
1706 | /* | |
1707 | * This function registers the device with CFG802.11 subsystem. | |
1708 | * | |
1709 | * The function creates the wireless device/wiphy, populates it with | |
1710 | * default parameters and handler function pointers, and finally | |
1711 | * registers the device. | |
1712 | */ | |
d6bffe8b AP |
1713 | |
1714 | int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) | |
5e6e3a92 | 1715 | { |
270e58e8 YAP |
1716 | int ret; |
1717 | void *wdev_priv; | |
d6bffe8b AP |
1718 | struct wiphy *wiphy; |
1719 | struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; | |
9e04a7c6 | 1720 | u8 *country_code; |
5e6e3a92 | 1721 | |
d6bffe8b AP |
1722 | /* create a new wiphy for use with cfg80211 */ |
1723 | wiphy = wiphy_new(&mwifiex_cfg80211_ops, | |
1724 | sizeof(struct mwifiex_adapter *)); | |
1725 | if (!wiphy) { | |
1726 | dev_err(adapter->dev, "%s: creating new wiphy\n", __func__); | |
5e6e3a92 BZ |
1727 | return -ENOMEM; |
1728 | } | |
d6bffe8b AP |
1729 | wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; |
1730 | wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; | |
1731 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | | |
1732 | BIT(NL80211_IFTYPE_ADHOC) | | |
1733 | BIT(NL80211_IFTYPE_AP); | |
1734 | ||
1735 | wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; | |
1736 | if (adapter->config_bands & BAND_A) | |
1737 | wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; | |
1738 | else | |
1739 | wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; | |
5e6e3a92 | 1740 | |
cd8440da AP |
1741 | wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; |
1742 | wiphy->n_iface_combinations = 1; | |
1743 | ||
5e6e3a92 | 1744 | /* Initialize cipher suits */ |
d6bffe8b AP |
1745 | wiphy->cipher_suites = mwifiex_cipher_suites; |
1746 | wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); | |
5e6e3a92 | 1747 | |
d6bffe8b AP |
1748 | memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); |
1749 | wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; | |
1750 | wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_CUSTOM_REGULATORY; | |
5e6e3a92 | 1751 | |
b5abcf02 | 1752 | /* Reserve space for mwifiex specific private data for BSS */ |
d6bffe8b | 1753 | wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |
5116f3ce | 1754 | |
d6bffe8b | 1755 | wiphy->reg_notifier = mwifiex_reg_notifier; |
5e6e3a92 | 1756 | |
67fdf39e | 1757 | /* Set struct mwifiex_adapter pointer in wiphy_priv */ |
d6bffe8b | 1758 | wdev_priv = wiphy_priv(wiphy); |
67fdf39e | 1759 | *(unsigned long *)wdev_priv = (unsigned long)adapter; |
5e6e3a92 | 1760 | |
d6bffe8b | 1761 | set_wiphy_dev(wiphy, (struct device *)priv->adapter->dev); |
a7b21165 | 1762 | |
d6bffe8b | 1763 | ret = wiphy_register(wiphy); |
5e6e3a92 | 1764 | if (ret < 0) { |
d6bffe8b AP |
1765 | dev_err(adapter->dev, |
1766 | "%s: wiphy_register failed: %d\n", __func__, ret); | |
1767 | wiphy_free(wiphy); | |
5e6e3a92 | 1768 | return ret; |
5e6e3a92 | 1769 | } |
9e04a7c6 | 1770 | country_code = mwifiex_11d_code_2_region(priv->adapter->region_code); |
d6bffe8b AP |
1771 | if (country_code && regulatory_hint(wiphy, country_code)) |
1772 | dev_err(adapter->dev, "regulatory_hint() failed\n"); | |
5e6e3a92 | 1773 | |
d6bffe8b | 1774 | adapter->wiphy = wiphy; |
5e6e3a92 BZ |
1775 | return ret; |
1776 | } |