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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: functions for station ioctl | |
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 "decl.h" | |
21 | #include "ioctl.h" | |
22 | #include "util.h" | |
23 | #include "fw.h" | |
24 | #include "main.h" | |
25 | #include "wmm.h" | |
26 | #include "11n.h" | |
27 | #include "cfg80211.h" | |
28 | ||
29 | /* | |
30 | * Copies the multicast address list from device to driver. | |
31 | * | |
32 | * This function does not validate the destination memory for | |
33 | * size, and the calling function must ensure enough memory is | |
34 | * available. | |
35 | */ | |
600f5d90 AK |
36 | int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, |
37 | struct net_device *dev) | |
5e6e3a92 BZ |
38 | { |
39 | int i = 0; | |
40 | struct netdev_hw_addr *ha; | |
41 | ||
42 | netdev_for_each_mc_addr(ha, dev) | |
43 | memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN); | |
44 | ||
45 | return i; | |
46 | } | |
47 | ||
5e6e3a92 BZ |
48 | /* |
49 | * Wait queue completion handler. | |
50 | * | |
600f5d90 AK |
51 | * This function waits on a cmd wait queue. It also cancels the pending |
52 | * request after waking up, in case of errors. | |
5e6e3a92 | 53 | */ |
600f5d90 | 54 | int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
55 | { |
56 | bool cancel_flag = false; | |
600f5d90 | 57 | int status = adapter->cmd_wait_q.status; |
5e6e3a92 | 58 | |
600f5d90 AK |
59 | dev_dbg(adapter->dev, "cmd pending\n"); |
60 | atomic_inc(&adapter->cmd_pending); | |
5e6e3a92 | 61 | |
600f5d90 AK |
62 | /* Status pending, wake up main process */ |
63 | queue_work(adapter->workqueue, &adapter->main_work); | |
5e6e3a92 | 64 | |
600f5d90 AK |
65 | /* Wait for completion */ |
66 | wait_event_interruptible(adapter->cmd_wait_q.wait, | |
67 | adapter->cmd_wait_q.condition); | |
68 | if (!adapter->cmd_wait_q.condition) | |
69 | cancel_flag = true; | |
5e6e3a92 | 70 | |
600f5d90 AK |
71 | if (cancel_flag) { |
72 | mwifiex_cancel_pending_ioctl(adapter); | |
73 | dev_dbg(adapter->dev, "cmd cancel\n"); | |
5e6e3a92 | 74 | } |
600f5d90 | 75 | adapter->cmd_wait_q.status = 0; |
5e6e3a92 | 76 | |
5e6e3a92 BZ |
77 | return status; |
78 | } | |
79 | ||
80 | /* | |
5e6e3a92 BZ |
81 | * This function prepares the correct firmware command and |
82 | * issues it to set the multicast list. | |
83 | * | |
84 | * This function can be used to enable promiscuous mode, or enable all | |
85 | * multicast packets, or to enable selective multicast. | |
86 | */ | |
600f5d90 AK |
87 | int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, |
88 | struct mwifiex_multicast_list *mcast_list) | |
5e6e3a92 BZ |
89 | { |
90 | int ret = 0; | |
91 | u16 old_pkt_filter; | |
92 | ||
93 | old_pkt_filter = priv->curr_pkt_filter; | |
5e6e3a92 BZ |
94 | |
95 | if (mcast_list->mode == MWIFIEX_PROMISC_MODE) { | |
96 | dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n"); | |
97 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
98 | priv->curr_pkt_filter &= | |
99 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
100 | } else { | |
101 | /* Multicast */ | |
102 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
103 | if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) { | |
104 | dev_dbg(priv->adapter->dev, | |
105 | "info: Enabling All Multicast!\n"); | |
106 | priv->curr_pkt_filter |= | |
107 | HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
108 | } else { | |
109 | priv->curr_pkt_filter &= | |
110 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
111 | if (mcast_list->num_multicast_addr) { | |
112 | dev_dbg(priv->adapter->dev, | |
113 | "info: Set multicast list=%d\n", | |
114 | mcast_list->num_multicast_addr); | |
115 | /* Set multicast addresses to firmware */ | |
116 | if (old_pkt_filter == priv->curr_pkt_filter) { | |
117 | /* Send request to firmware */ | |
600f5d90 | 118 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 119 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 AK |
120 | HostCmd_ACT_GEN_SET, 0, |
121 | mcast_list); | |
5e6e3a92 BZ |
122 | } else { |
123 | /* Send request to firmware */ | |
600f5d90 | 124 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 125 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 | 126 | HostCmd_ACT_GEN_SET, 0, |
5e6e3a92 BZ |
127 | mcast_list); |
128 | } | |
129 | } | |
130 | } | |
131 | } | |
132 | dev_dbg(priv->adapter->dev, | |
133 | "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", | |
134 | old_pkt_filter, priv->curr_pkt_filter); | |
135 | if (old_pkt_filter != priv->curr_pkt_filter) { | |
600f5d90 AK |
136 | ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
137 | HostCmd_ACT_GEN_SET, | |
138 | 0, &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
139 | } |
140 | ||
141 | return ret; | |
142 | } | |
143 | ||
144 | /* | |
5e6e3a92 BZ |
145 | * In Ad-Hoc mode, the IBSS is created if not found in scan list. |
146 | * In both Ad-Hoc and infra mode, an deauthentication is performed | |
147 | * first. | |
148 | */ | |
600f5d90 AK |
149 | int mwifiex_bss_start(struct mwifiex_private *priv, |
150 | struct mwifiex_ssid_bssid *ssid_bssid) | |
5e6e3a92 BZ |
151 | { |
152 | int ret = 0; | |
153 | struct mwifiex_adapter *adapter = priv->adapter; | |
154 | s32 i = -1; | |
155 | ||
156 | priv->scan_block = false; | |
157 | if (!ssid_bssid) | |
158 | return -1; | |
159 | ||
eecd8250 | 160 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
5e6e3a92 | 161 | /* Infra mode */ |
600f5d90 | 162 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
163 | if (ret) |
164 | return ret; | |
165 | ||
166 | /* Search for the requested SSID in the scan table */ | |
167 | if (ssid_bssid->ssid.ssid_len) | |
168 | i = mwifiex_find_ssid_in_list(priv, &ssid_bssid->ssid, | |
eecd8250 | 169 | NULL, NL80211_IFTYPE_STATION); |
5e6e3a92 BZ |
170 | else |
171 | i = mwifiex_find_bssid_in_list(priv, | |
172 | (u8 *) &ssid_bssid->bssid, | |
eecd8250 | 173 | NL80211_IFTYPE_STATION); |
5e6e3a92 BZ |
174 | if (i < 0) |
175 | return -1; | |
176 | ||
177 | dev_dbg(adapter->dev, | |
178 | "info: SSID found in scan list ... associating...\n"); | |
179 | ||
180 | /* Clear any past association response stored for | |
181 | * application retrieval */ | |
182 | priv->assoc_rsp_size = 0; | |
600f5d90 | 183 | ret = mwifiex_associate(priv, &adapter->scan_table[i]); |
5e6e3a92 BZ |
184 | if (ret) |
185 | return ret; | |
186 | } else { | |
187 | /* Adhoc mode */ | |
188 | /* If the requested SSID matches current SSID, return */ | |
189 | if (ssid_bssid->ssid.ssid_len && | |
190 | (!mwifiex_ssid_cmp | |
191 | (&priv->curr_bss_params.bss_descriptor.ssid, | |
192 | &ssid_bssid->ssid))) | |
193 | return 0; | |
194 | ||
195 | /* Exit Adhoc mode first */ | |
196 | dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n"); | |
600f5d90 | 197 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 BZ |
198 | if (ret) |
199 | return ret; | |
200 | ||
201 | priv->adhoc_is_link_sensed = false; | |
202 | ||
203 | /* Search for the requested network in the scan table */ | |
204 | if (ssid_bssid->ssid.ssid_len) | |
205 | i = mwifiex_find_ssid_in_list(priv, | |
206 | &ssid_bssid->ssid, NULL, | |
eecd8250 | 207 | NL80211_IFTYPE_ADHOC); |
5e6e3a92 BZ |
208 | else |
209 | i = mwifiex_find_bssid_in_list(priv, | |
210 | (u8 *)&ssid_bssid->bssid, | |
eecd8250 | 211 | NL80211_IFTYPE_ADHOC); |
5e6e3a92 BZ |
212 | |
213 | if (i >= 0) { | |
214 | dev_dbg(adapter->dev, "info: network found in scan" | |
215 | " list. Joining...\n"); | |
600f5d90 | 216 | ret = mwifiex_adhoc_join(priv, &adapter->scan_table[i]); |
5e6e3a92 BZ |
217 | if (ret) |
218 | return ret; | |
219 | } else { /* i >= 0 */ | |
220 | dev_dbg(adapter->dev, "info: Network not found in " | |
221 | "the list, creating adhoc with ssid = %s\n", | |
222 | ssid_bssid->ssid.ssid); | |
600f5d90 | 223 | ret = mwifiex_adhoc_start(priv, &ssid_bssid->ssid); |
5e6e3a92 BZ |
224 | if (ret) |
225 | return ret; | |
226 | } | |
227 | } | |
228 | ||
5e6e3a92 BZ |
229 | return ret; |
230 | } | |
231 | ||
5e6e3a92 BZ |
232 | /* |
233 | * IOCTL request handler to set host sleep configuration. | |
234 | * | |
235 | * This function prepares the correct firmware command and | |
236 | * issues it. | |
237 | */ | |
600f5d90 AK |
238 | int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action, |
239 | int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg) | |
240 | ||
5e6e3a92 BZ |
241 | { |
242 | struct mwifiex_adapter *adapter = priv->adapter; | |
243 | int status = 0; | |
244 | u32 prev_cond = 0; | |
245 | ||
600f5d90 AK |
246 | if (!hs_cfg) |
247 | return -ENOMEM; | |
248 | ||
5e6e3a92 BZ |
249 | switch (action) { |
250 | case HostCmd_ACT_GEN_SET: | |
251 | if (adapter->pps_uapsd_mode) { | |
252 | dev_dbg(adapter->dev, "info: Host Sleep IOCTL" | |
253 | " is blocked in UAPSD/PPS mode\n"); | |
254 | status = -1; | |
255 | break; | |
256 | } | |
257 | if (hs_cfg->is_invoke_hostcmd) { | |
258 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) { | |
259 | if (!adapter->is_hs_configured) | |
260 | /* Already cancelled */ | |
261 | break; | |
262 | /* Save previous condition */ | |
263 | prev_cond = le32_to_cpu(adapter->hs_cfg | |
264 | .conditions); | |
265 | adapter->hs_cfg.conditions = | |
266 | cpu_to_le32(hs_cfg->conditions); | |
267 | } else if (hs_cfg->conditions) { | |
268 | adapter->hs_cfg.conditions = | |
269 | cpu_to_le32(hs_cfg->conditions); | |
270 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; | |
271 | if (hs_cfg->gap) | |
272 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
273 | } else if (adapter->hs_cfg.conditions == | |
274 | cpu_to_le32( | |
275 | HOST_SLEEP_CFG_CANCEL)) { | |
276 | /* Return failure if no parameters for HS | |
277 | enable */ | |
278 | status = -1; | |
279 | break; | |
280 | } | |
600f5d90 AK |
281 | if (cmd_type == MWIFIEX_SYNC_CMD) |
282 | status = mwifiex_send_cmd_sync(priv, | |
283 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
284 | HostCmd_ACT_GEN_SET, 0, | |
285 | &adapter->hs_cfg); | |
286 | else | |
287 | status = mwifiex_send_cmd_async(priv, | |
288 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
289 | HostCmd_ACT_GEN_SET, 0, | |
290 | &adapter->hs_cfg); | |
5e6e3a92 BZ |
291 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) |
292 | /* Restore previous condition */ | |
293 | adapter->hs_cfg.conditions = | |
294 | cpu_to_le32(prev_cond); | |
295 | } else { | |
296 | adapter->hs_cfg.conditions = | |
297 | cpu_to_le32(hs_cfg->conditions); | |
298 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; | |
299 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
300 | } | |
301 | break; | |
302 | case HostCmd_ACT_GEN_GET: | |
303 | hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); | |
304 | hs_cfg->gpio = adapter->hs_cfg.gpio; | |
305 | hs_cfg->gap = adapter->hs_cfg.gap; | |
306 | break; | |
307 | default: | |
308 | status = -1; | |
309 | break; | |
310 | } | |
311 | ||
312 | return status; | |
313 | } | |
314 | ||
5e6e3a92 BZ |
315 | /* |
316 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
317 | * | |
318 | * This function allocates the IOCTL request buffer, fills it | |
319 | * with requisite parameters and calls the IOCTL handler. | |
320 | */ | |
600f5d90 | 321 | int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type) |
5e6e3a92 BZ |
322 | { |
323 | int ret = 0; | |
324 | struct mwifiex_ds_hs_cfg hscfg; | |
325 | ||
326 | /* Cancel Host Sleep */ | |
327 | hscfg.conditions = HOST_SLEEP_CFG_CANCEL; | |
328 | hscfg.is_invoke_hostcmd = true; | |
329 | ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, | |
600f5d90 | 330 | cmd_type, &hscfg); |
5e6e3a92 BZ |
331 | |
332 | return ret; | |
333 | } | |
334 | EXPORT_SYMBOL_GPL(mwifiex_cancel_hs); | |
335 | ||
336 | /* | |
337 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
338 | * | |
339 | * This function allocates the IOCTL request buffer, fills it | |
340 | * with requisite parameters and calls the IOCTL handler. | |
341 | */ | |
342 | int mwifiex_enable_hs(struct mwifiex_adapter *adapter) | |
343 | { | |
344 | struct mwifiex_ds_hs_cfg hscfg; | |
345 | ||
346 | if (adapter->hs_activated) { | |
347 | dev_dbg(adapter->dev, "cmd: HS Already actived\n"); | |
348 | return true; | |
349 | } | |
350 | ||
351 | /* Enable Host Sleep */ | |
352 | adapter->hs_activate_wait_q_woken = false; | |
353 | ||
354 | memset(&hscfg, 0, sizeof(struct mwifiex_hs_config_param)); | |
355 | hscfg.is_invoke_hostcmd = true; | |
356 | ||
357 | if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, | |
358 | MWIFIEX_BSS_ROLE_STA), | |
600f5d90 AK |
359 | HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, |
360 | &hscfg)) { | |
5e6e3a92 BZ |
361 | dev_err(adapter->dev, "IOCTL request HS enable failed\n"); |
362 | return false; | |
363 | } | |
364 | ||
365 | wait_event_interruptible(adapter->hs_activate_wait_q, | |
366 | adapter->hs_activate_wait_q_woken); | |
367 | ||
368 | return true; | |
369 | } | |
370 | EXPORT_SYMBOL_GPL(mwifiex_enable_hs); | |
371 | ||
5e6e3a92 BZ |
372 | /* |
373 | * IOCTL request handler to get BSS information. | |
374 | * | |
375 | * This function collates the information from different driver structures | |
376 | * to send to the user. | |
377 | */ | |
378 | int mwifiex_get_bss_info(struct mwifiex_private *priv, | |
379 | struct mwifiex_bss_info *info) | |
380 | { | |
381 | struct mwifiex_adapter *adapter = priv->adapter; | |
382 | struct mwifiex_bssdescriptor *bss_desc; | |
383 | s32 tbl_idx = 0; | |
384 | ||
385 | if (!info) | |
386 | return -1; | |
387 | ||
388 | /* Get current BSS info */ | |
389 | bss_desc = &priv->curr_bss_params.bss_descriptor; | |
390 | ||
391 | /* BSS mode */ | |
392 | info->bss_mode = priv->bss_mode; | |
393 | ||
394 | /* SSID */ | |
395 | memcpy(&info->ssid, &bss_desc->ssid, | |
396 | sizeof(struct mwifiex_802_11_ssid)); | |
397 | ||
398 | /* BSSID */ | |
399 | memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); | |
400 | ||
401 | /* Channel */ | |
402 | info->bss_chan = bss_desc->channel; | |
403 | ||
404 | /* Region code */ | |
405 | info->region_code = adapter->region_code; | |
406 | ||
407 | /* Scan table index if connected */ | |
408 | info->scan_table_idx = 0; | |
409 | if (priv->media_connected) { | |
410 | tbl_idx = | |
411 | mwifiex_find_ssid_in_list(priv, &bss_desc->ssid, | |
412 | bss_desc->mac_address, | |
413 | priv->bss_mode); | |
414 | if (tbl_idx >= 0) | |
415 | info->scan_table_idx = tbl_idx; | |
416 | } | |
417 | ||
418 | /* Connection status */ | |
419 | info->media_connected = priv->media_connected; | |
420 | ||
5e6e3a92 BZ |
421 | /* Tx power information */ |
422 | info->max_power_level = priv->max_tx_power_level; | |
423 | info->min_power_level = priv->min_tx_power_level; | |
424 | ||
425 | /* AdHoc state */ | |
426 | info->adhoc_state = priv->adhoc_state; | |
427 | ||
428 | /* Last beacon NF */ | |
429 | info->bcn_nf_last = priv->bcn_nf_last; | |
430 | ||
431 | /* wep status */ | |
432 | if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED) | |
433 | info->wep_status = true; | |
434 | else | |
435 | info->wep_status = false; | |
436 | ||
437 | info->is_hs_configured = adapter->is_hs_configured; | |
438 | info->is_deep_sleep = adapter->is_deep_sleep; | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | /* | |
600f5d90 | 444 | * The function sets band configurations. |
5e6e3a92 | 445 | * |
600f5d90 | 446 | * it performs extra checks to make sure the Ad-Hoc |
5e6e3a92 BZ |
447 | * band and channel are compatible. Otherwise it returns an error. |
448 | * | |
5e6e3a92 | 449 | */ |
600f5d90 AK |
450 | int mwifiex_set_radio_band_cfg(struct mwifiex_private *priv, |
451 | struct mwifiex_ds_band_cfg *radio_cfg) | |
5e6e3a92 BZ |
452 | { |
453 | struct mwifiex_adapter *adapter = priv->adapter; | |
454 | u8 infra_band = 0; | |
455 | u8 adhoc_band = 0; | |
456 | u32 adhoc_channel = 0; | |
457 | ||
5e6e3a92 BZ |
458 | infra_band = (u8) radio_cfg->config_bands; |
459 | adhoc_band = (u8) radio_cfg->adhoc_start_band; | |
460 | adhoc_channel = radio_cfg->adhoc_channel; | |
461 | ||
462 | /* SET Infra band */ | |
463 | if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands) | |
464 | return -1; | |
465 | ||
466 | adapter->config_bands = infra_band; | |
467 | ||
468 | /* SET Ad-hoc Band */ | |
469 | if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands) | |
470 | return -1; | |
471 | ||
472 | if (adhoc_band) | |
473 | adapter->adhoc_start_band = adhoc_band; | |
474 | adapter->chan_offset = (u8) radio_cfg->sec_chan_offset; | |
475 | /* | |
476 | * If no adhoc_channel is supplied verify if the existing adhoc | |
477 | * channel compiles with new adhoc_band | |
478 | */ | |
479 | if (!adhoc_channel) { | |
480 | if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
481 | (priv, adapter->adhoc_start_band, | |
482 | priv->adhoc_channel)) { | |
483 | /* Pass back the default channel */ | |
484 | radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
485 | if ((adapter->adhoc_start_band & BAND_A) | |
486 | || (adapter->adhoc_start_band & BAND_AN)) | |
487 | radio_cfg->adhoc_channel = | |
488 | DEFAULT_AD_HOC_CHANNEL_A; | |
489 | } | |
490 | } else { /* Retrurn error if adhoc_band and | |
491 | adhoc_channel combination is invalid */ | |
492 | if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
493 | (priv, adapter->adhoc_start_band, (u16) adhoc_channel)) | |
494 | return -1; | |
495 | priv->adhoc_channel = (u8) adhoc_channel; | |
496 | } | |
497 | if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN)) | |
498 | adapter->adhoc_11n_enabled = true; | |
499 | else | |
500 | adapter->adhoc_11n_enabled = false; | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | /* | |
506 | * IOCTL request handler to set/get active channel. | |
507 | * | |
508 | * This function performs validity checking on channel/frequency | |
509 | * compatibility and returns failure if not valid. | |
510 | */ | |
600f5d90 AK |
511 | int mwifiex_bss_set_channel(struct mwifiex_private *priv, |
512 | struct mwifiex_chan_freq_power *chan) | |
5e6e3a92 BZ |
513 | { |
514 | struct mwifiex_adapter *adapter = priv->adapter; | |
515 | struct mwifiex_chan_freq_power *cfp = NULL; | |
516 | ||
517 | if (!chan) | |
518 | return -1; | |
519 | ||
5e6e3a92 BZ |
520 | if (!chan->channel && !chan->freq) |
521 | return -1; | |
522 | if (adapter->adhoc_start_band & BAND_AN) | |
523 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
524 | else if (adapter->adhoc_start_band & BAND_A) | |
525 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
526 | if (chan->channel) { | |
527 | if (chan->channel <= MAX_CHANNEL_BAND_BG) | |
528 | cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
529 | (priv, 0, (u16) chan->channel); | |
530 | if (!cfp) { | |
531 | cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
532 | (priv, BAND_A, (u16) chan->channel); | |
533 | if (cfp) { | |
534 | if (adapter->adhoc_11n_enabled) | |
535 | adapter->adhoc_start_band = BAND_A | |
536 | | BAND_AN; | |
537 | else | |
538 | adapter->adhoc_start_band = BAND_A; | |
539 | } | |
540 | } | |
541 | } else { | |
542 | if (chan->freq <= MAX_FREQUENCY_BAND_BG) | |
543 | cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211( | |
544 | priv, 0, chan->freq); | |
545 | if (!cfp) { | |
546 | cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211 | |
547 | (priv, BAND_A, chan->freq); | |
548 | if (cfp) { | |
549 | if (adapter->adhoc_11n_enabled) | |
550 | adapter->adhoc_start_band = BAND_A | |
551 | | BAND_AN; | |
552 | else | |
553 | adapter->adhoc_start_band = BAND_A; | |
554 | } | |
555 | } | |
556 | } | |
557 | if (!cfp || !cfp->channel) { | |
558 | dev_err(adapter->dev, "invalid channel/freq\n"); | |
559 | return -1; | |
560 | } | |
561 | priv->adhoc_channel = (u8) cfp->channel; | |
562 | chan->channel = cfp->channel; | |
563 | chan->freq = cfp->freq; | |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
5e6e3a92 BZ |
568 | /* |
569 | * IOCTL request handler to set/get Ad-Hoc channel. | |
570 | * | |
571 | * This function prepares the correct firmware command and | |
572 | * issues it to set or get the ad-hoc channel. | |
573 | */ | |
574 | static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
575 | u16 action, u16 *channel) |
576 | { | |
577 | int ret = 0; | |
578 | ||
579 | if (action == HostCmd_ACT_GEN_GET) { | |
580 | if (!priv->media_connected) { | |
581 | *channel = priv->adhoc_channel; | |
582 | return ret; | |
583 | } | |
584 | } else { | |
585 | priv->adhoc_channel = (u8) *channel; | |
586 | } | |
587 | ||
588 | /* Send request to firmware */ | |
600f5d90 AK |
589 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL, |
590 | action, 0, channel); | |
5e6e3a92 BZ |
591 | |
592 | return ret; | |
593 | } | |
594 | ||
595 | /* | |
596 | * IOCTL request handler to find a particular BSS. | |
597 | * | |
598 | * The BSS can be searched with either a BSSID or a SSID. If none of | |
599 | * these are provided, just the best BSS (best RSSI) is returned. | |
600 | */ | |
601 | int mwifiex_bss_ioctl_find_bss(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
602 | struct mwifiex_ssid_bssid *ssid_bssid) |
603 | { | |
604 | struct mwifiex_adapter *adapter = priv->adapter; | |
605 | int ret = 0; | |
606 | struct mwifiex_bssdescriptor *bss_desc; | |
607 | u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 }; | |
608 | u8 mac[ETH_ALEN]; | |
609 | int i = 0; | |
610 | ||
611 | if (memcmp(ssid_bssid->bssid, zero_mac, sizeof(zero_mac))) { | |
612 | i = mwifiex_find_bssid_in_list(priv, | |
613 | (u8 *) ssid_bssid->bssid, | |
614 | priv->bss_mode); | |
615 | if (i < 0) { | |
616 | memcpy(mac, ssid_bssid->bssid, sizeof(mac)); | |
617 | dev_err(adapter->dev, "cannot find bssid %pM\n", mac); | |
618 | return -1; | |
619 | } | |
620 | bss_desc = &adapter->scan_table[i]; | |
621 | memcpy(&ssid_bssid->ssid, &bss_desc->ssid, | |
622 | sizeof(struct mwifiex_802_11_ssid)); | |
623 | } else if (ssid_bssid->ssid.ssid_len) { | |
624 | i = mwifiex_find_ssid_in_list(priv, &ssid_bssid->ssid, NULL, | |
625 | priv->bss_mode); | |
626 | if (i < 0) { | |
627 | dev_err(adapter->dev, "cannot find ssid %s\n", | |
628 | ssid_bssid->ssid.ssid); | |
629 | return -1; | |
630 | } | |
631 | bss_desc = &adapter->scan_table[i]; | |
632 | memcpy(ssid_bssid->bssid, bss_desc->mac_address, ETH_ALEN); | |
633 | } else { | |
634 | ret = mwifiex_find_best_network(priv, ssid_bssid); | |
635 | } | |
636 | ||
637 | return ret; | |
638 | } | |
639 | ||
640 | /* | |
641 | * IOCTL request handler to change Ad-Hoc channel. | |
642 | * | |
643 | * This function allocates the IOCTL request buffer, fills it | |
644 | * with requisite parameters and calls the IOCTL handler. | |
645 | * | |
646 | * The function follows the following steps to perform the change - | |
647 | * - Get current IBSS information | |
648 | * - Get current channel | |
649 | * - If no change is required, return | |
650 | * - If not connected, change channel and return | |
651 | * - If connected, | |
652 | * - Disconnect | |
653 | * - Change channel | |
654 | * - Perform specific SSID scan with same SSID | |
655 | * - Start/Join the IBSS | |
656 | */ | |
657 | int | |
658 | mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel) | |
659 | { | |
660 | int ret = 0; | |
5e6e3a92 | 661 | struct mwifiex_bss_info bss_info; |
5e6e3a92 BZ |
662 | struct mwifiex_ssid_bssid ssid_bssid; |
663 | u16 curr_chan = 0; | |
664 | ||
665 | memset(&bss_info, 0, sizeof(bss_info)); | |
666 | ||
667 | /* Get BSS information */ | |
668 | if (mwifiex_get_bss_info(priv, &bss_info)) | |
669 | return -1; | |
670 | ||
5e6e3a92 | 671 | /* Get current channel */ |
600f5d90 AK |
672 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET, |
673 | &curr_chan); | |
5e6e3a92 | 674 | |
5e6e3a92 BZ |
675 | if (curr_chan == channel) { |
676 | ret = 0; | |
677 | goto done; | |
678 | } | |
679 | dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n", | |
680 | curr_chan, channel); | |
681 | ||
682 | if (!bss_info.media_connected) { | |
683 | ret = 0; | |
684 | goto done; | |
685 | } | |
686 | ||
687 | /* Do disonnect */ | |
688 | memset(&ssid_bssid, 0, ETH_ALEN); | |
600f5d90 | 689 | ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid); |
5e6e3a92 | 690 | |
600f5d90 AK |
691 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET, |
692 | (u16 *) &channel); | |
5e6e3a92 BZ |
693 | |
694 | /* Do specific SSID scanning */ | |
600f5d90 | 695 | if (mwifiex_request_scan(priv, &bss_info.ssid)) { |
5e6e3a92 BZ |
696 | ret = -1; |
697 | goto done; | |
698 | } | |
699 | /* Start/Join Adhoc network */ | |
700 | memset(&ssid_bssid, 0, sizeof(struct mwifiex_ssid_bssid)); | |
701 | memcpy(&ssid_bssid.ssid, &bss_info.ssid, | |
702 | sizeof(struct mwifiex_802_11_ssid)); | |
703 | ||
600f5d90 | 704 | ret = mwifiex_bss_start(priv, &ssid_bssid); |
5e6e3a92 | 705 | done: |
5e6e3a92 BZ |
706 | return ret; |
707 | } | |
708 | ||
5e6e3a92 BZ |
709 | /* |
710 | * IOCTL request handler to get rate. | |
711 | * | |
712 | * This function prepares the correct firmware command and | |
713 | * issues it to get the current rate if it is connected, | |
714 | * otherwise, the function returns the lowest supported rate | |
715 | * for the band. | |
716 | */ | |
717 | static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
718 | struct mwifiex_rate_cfg *rate_cfg) |
719 | { | |
720 | struct mwifiex_adapter *adapter = priv->adapter; | |
721 | int ret = 0; | |
722 | ||
723 | rate_cfg->is_rate_auto = priv->is_data_rate_auto; | |
724 | if (!priv->media_connected) { | |
725 | switch (adapter->config_bands) { | |
726 | case BAND_B: | |
727 | /* Return the lowest supported rate for B band */ | |
728 | rate_cfg->rate = supported_rates_b[0] & 0x7f; | |
729 | break; | |
730 | case BAND_G: | |
731 | case BAND_G | BAND_GN: | |
732 | /* Return the lowest supported rate for G band */ | |
733 | rate_cfg->rate = supported_rates_g[0] & 0x7f; | |
734 | break; | |
735 | case BAND_B | BAND_G: | |
736 | case BAND_A | BAND_B | BAND_G: | |
737 | case BAND_A | BAND_B: | |
738 | case BAND_A | BAND_B | BAND_G | BAND_AN | BAND_GN: | |
739 | case BAND_B | BAND_G | BAND_GN: | |
740 | /* Return the lowest supported rate for BG band */ | |
741 | rate_cfg->rate = supported_rates_bg[0] & 0x7f; | |
742 | break; | |
743 | case BAND_A: | |
744 | case BAND_A | BAND_G: | |
745 | case BAND_A | BAND_G | BAND_AN | BAND_GN: | |
746 | case BAND_A | BAND_AN: | |
747 | /* Return the lowest supported rate for A band */ | |
748 | rate_cfg->rate = supported_rates_a[0] & 0x7f; | |
749 | break; | |
750 | case BAND_GN: | |
751 | /* Return the lowest supported rate for N band */ | |
752 | rate_cfg->rate = supported_rates_n[0] & 0x7f; | |
753 | break; | |
754 | default: | |
755 | dev_warn(adapter->dev, "invalid band %#x\n", | |
756 | adapter->config_bands); | |
757 | break; | |
758 | } | |
759 | } else { | |
760 | /* Send request to firmware */ | |
600f5d90 AK |
761 | ret = mwifiex_send_cmd_sync(priv, |
762 | HostCmd_CMD_802_11_TX_RATE_QUERY, | |
763 | HostCmd_ACT_GEN_GET, 0, NULL); | |
5e6e3a92 BZ |
764 | } |
765 | ||
766 | return ret; | |
767 | } | |
768 | ||
769 | /* | |
770 | * IOCTL request handler to set rate. | |
771 | * | |
772 | * This function prepares the correct firmware command and | |
773 | * issues it to set the current rate. | |
774 | * | |
775 | * The function also performs validation checking on the supplied value. | |
776 | */ | |
777 | static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
778 | struct mwifiex_rate_cfg *rate_cfg) |
779 | { | |
780 | u8 rates[MWIFIEX_SUPPORTED_RATES]; | |
781 | u8 *rate = NULL; | |
782 | int rate_index = 0; | |
783 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; | |
784 | u32 i = 0; | |
785 | int ret = 0; | |
786 | struct mwifiex_adapter *adapter = priv->adapter; | |
787 | ||
788 | if (rate_cfg->is_rate_auto) { | |
789 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
790 | /* Support all HR/DSSS rates */ | |
791 | bitmap_rates[0] = 0x000F; | |
792 | /* Support all OFDM rates */ | |
793 | bitmap_rates[1] = 0x00FF; | |
794 | /* Support all HT-MCSs rate */ | |
795 | for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++) | |
796 | bitmap_rates[i + 2] = 0xFFFF; | |
797 | bitmap_rates[9] = 0x3FFF; | |
798 | } else { | |
799 | memset(rates, 0, sizeof(rates)); | |
800 | mwifiex_get_active_data_rates(priv, rates); | |
801 | rate = rates; | |
802 | for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) { | |
803 | dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n", | |
804 | rate[i], rate_cfg->rate); | |
805 | if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f)) | |
806 | break; | |
807 | } | |
808 | if (!rate[i] || (i == MWIFIEX_SUPPORTED_RATES)) { | |
809 | dev_err(adapter->dev, "fixed data rate %#x is out " | |
810 | "of range\n", rate_cfg->rate); | |
811 | return -1; | |
812 | } | |
813 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
814 | ||
815 | rate_index = | |
816 | mwifiex_data_rate_to_index(adapter, rate_cfg->rate); | |
817 | ||
818 | /* Only allow b/g rates to be set */ | |
819 | if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 && | |
820 | rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) { | |
821 | bitmap_rates[0] = 1 << rate_index; | |
822 | } else { | |
823 | rate_index -= 1; /* There is a 0x00 in the table */ | |
824 | if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 && | |
825 | rate_index <= MWIFIEX_RATE_INDEX_OFDM7) | |
826 | bitmap_rates[1] = 1 << (rate_index - | |
827 | MWIFIEX_RATE_INDEX_OFDM0); | |
828 | } | |
829 | } | |
830 | ||
831 | /* Send request to firmware */ | |
600f5d90 AK |
832 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, |
833 | HostCmd_ACT_GEN_SET, 0, bitmap_rates); | |
5e6e3a92 BZ |
834 | |
835 | return ret; | |
836 | } | |
837 | ||
838 | /* | |
839 | * IOCTL request handler to set/get rate. | |
840 | * | |
841 | * This function can be used to set/get either the rate value or the | |
842 | * rate index. | |
843 | */ | |
844 | static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
845 | struct mwifiex_rate_cfg *rate_cfg) |
846 | { | |
847 | int status = 0; | |
848 | ||
849 | if (!rate_cfg) | |
850 | return -1; | |
851 | ||
852 | if (rate_cfg->action == HostCmd_ACT_GEN_GET) | |
600f5d90 | 853 | status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg); |
5e6e3a92 | 854 | else |
600f5d90 | 855 | status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg); |
5e6e3a92 BZ |
856 | |
857 | return status; | |
858 | } | |
859 | ||
860 | /* | |
861 | * Sends IOCTL request to get the data rate. | |
862 | * | |
863 | * This function allocates the IOCTL request buffer, fills it | |
864 | * with requisite parameters and calls the IOCTL handler. | |
865 | */ | |
866 | int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, | |
867 | struct mwifiex_rate_cfg *rate) | |
868 | { | |
869 | int ret = 0; | |
5e6e3a92 BZ |
870 | |
871 | memset(rate, 0, sizeof(struct mwifiex_rate_cfg)); | |
872 | rate->action = HostCmd_ACT_GEN_GET; | |
600f5d90 | 873 | ret = mwifiex_rate_ioctl_cfg(priv, rate); |
5e6e3a92 | 874 | |
5e6e3a92 BZ |
875 | if (!ret) { |
876 | if (rate && rate->is_rate_auto) | |
877 | rate->rate = mwifiex_index_to_data_rate(priv->adapter, | |
878 | priv->tx_rate, priv->tx_htinfo); | |
879 | else if (rate) | |
880 | rate->rate = priv->data_rate; | |
881 | } else { | |
882 | ret = -1; | |
883 | } | |
884 | ||
5e6e3a92 BZ |
885 | return ret; |
886 | } | |
887 | ||
888 | /* | |
889 | * IOCTL request handler to set tx power configuration. | |
890 | * | |
891 | * This function prepares the correct firmware command and | |
892 | * issues it. | |
893 | * | |
894 | * For non-auto power mode, all the following power groups are set - | |
895 | * - Modulation class HR/DSSS | |
896 | * - Modulation class OFDM | |
897 | * - Modulation class HTBW20 | |
898 | * - Modulation class HTBW40 | |
899 | */ | |
600f5d90 AK |
900 | int mwifiex_set_tx_power(struct mwifiex_private *priv, |
901 | struct mwifiex_power_cfg *power_cfg) | |
5e6e3a92 BZ |
902 | { |
903 | int ret = 0; | |
904 | struct host_cmd_ds_txpwr_cfg *txp_cfg = NULL; | |
905 | struct mwifiex_types_power_group *pg_tlv = NULL; | |
906 | struct mwifiex_power_group *pg = NULL; | |
907 | u8 *buf = NULL; | |
908 | u16 dbm = 0; | |
909 | ||
910 | if (!power_cfg->is_power_auto) { | |
911 | dbm = (u16) power_cfg->power_level; | |
912 | if ((dbm < priv->min_tx_power_level) || | |
913 | (dbm > priv->max_tx_power_level)) { | |
914 | dev_err(priv->adapter->dev, "txpower value %d dBm" | |
915 | " is out of range (%d dBm-%d dBm)\n", | |
916 | dbm, priv->min_tx_power_level, | |
917 | priv->max_tx_power_level); | |
918 | return -1; | |
919 | } | |
920 | } | |
921 | buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL); | |
922 | if (!buf) { | |
923 | dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n", | |
924 | __func__); | |
925 | return -1; | |
926 | } | |
927 | ||
928 | txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf; | |
929 | txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET); | |
930 | if (!power_cfg->is_power_auto) { | |
931 | txp_cfg->mode = cpu_to_le32(1); | |
932 | pg_tlv = (struct mwifiex_types_power_group *) (buf + | |
933 | sizeof(struct host_cmd_ds_txpwr_cfg)); | |
934 | pg_tlv->type = TLV_TYPE_POWER_GROUP; | |
935 | pg_tlv->length = 4 * sizeof(struct mwifiex_power_group); | |
936 | pg = (struct mwifiex_power_group *) (buf + | |
937 | sizeof(struct host_cmd_ds_txpwr_cfg) + | |
938 | sizeof(struct mwifiex_types_power_group)); | |
939 | /* Power group for modulation class HR/DSSS */ | |
940 | pg->first_rate_code = 0x00; | |
941 | pg->last_rate_code = 0x03; | |
942 | pg->modulation_class = MOD_CLASS_HR_DSSS; | |
943 | pg->power_step = 0; | |
944 | pg->power_min = (s8) dbm; | |
945 | pg->power_max = (s8) dbm; | |
946 | pg++; | |
947 | /* Power group for modulation class OFDM */ | |
948 | pg->first_rate_code = 0x00; | |
949 | pg->last_rate_code = 0x07; | |
950 | pg->modulation_class = MOD_CLASS_OFDM; | |
951 | pg->power_step = 0; | |
952 | pg->power_min = (s8) dbm; | |
953 | pg->power_max = (s8) dbm; | |
954 | pg++; | |
955 | /* Power group for modulation class HTBW20 */ | |
956 | pg->first_rate_code = 0x00; | |
957 | pg->last_rate_code = 0x20; | |
958 | pg->modulation_class = MOD_CLASS_HT; | |
959 | pg->power_step = 0; | |
960 | pg->power_min = (s8) dbm; | |
961 | pg->power_max = (s8) dbm; | |
962 | pg->ht_bandwidth = HT_BW_20; | |
963 | pg++; | |
964 | /* Power group for modulation class HTBW40 */ | |
965 | pg->first_rate_code = 0x00; | |
966 | pg->last_rate_code = 0x20; | |
967 | pg->modulation_class = MOD_CLASS_HT; | |
968 | pg->power_step = 0; | |
969 | pg->power_min = (s8) dbm; | |
970 | pg->power_max = (s8) dbm; | |
971 | pg->ht_bandwidth = HT_BW_40; | |
972 | } | |
973 | /* Send request to firmware */ | |
600f5d90 AK |
974 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG, |
975 | HostCmd_ACT_GEN_SET, 0, buf); | |
5e6e3a92 | 976 | |
600f5d90 | 977 | kfree(buf); |
5e6e3a92 BZ |
978 | return ret; |
979 | } | |
980 | ||
981 | /* | |
982 | * IOCTL request handler to get power save mode. | |
983 | * | |
984 | * This function prepares the correct firmware command and | |
985 | * issues it. | |
986 | */ | |
600f5d90 | 987 | int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode) |
5e6e3a92 BZ |
988 | { |
989 | int ret = 0; | |
990 | struct mwifiex_adapter *adapter = priv->adapter; | |
991 | u16 sub_cmd; | |
992 | ||
600f5d90 AK |
993 | if (*ps_mode) |
994 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; | |
995 | else | |
996 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
997 | sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; | |
998 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, | |
999 | sub_cmd, BITMAP_STA_PS, NULL); | |
1000 | if ((!ret) && (sub_cmd == DIS_AUTO_PS)) | |
1001 | ret = mwifiex_send_cmd_async(priv, | |
1002 | HostCmd_CMD_802_11_PS_MODE_ENH, GET_PS, | |
1003 | 0, NULL); | |
5e6e3a92 BZ |
1004 | |
1005 | return ret; | |
1006 | } | |
1007 | ||
1008 | /* | |
1009 | * IOCTL request handler to set/reset WPA IE. | |
1010 | * | |
1011 | * The supplied WPA IE is treated as a opaque buffer. Only the first field | |
1012 | * is checked to determine WPA version. If buffer length is zero, the existing | |
1013 | * WPA IE is reset. | |
1014 | */ | |
1015 | static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv, | |
1016 | u8 *ie_data_ptr, u16 ie_len) | |
1017 | { | |
1018 | if (ie_len) { | |
1019 | if (ie_len > sizeof(priv->wpa_ie)) { | |
1020 | dev_err(priv->adapter->dev, | |
1021 | "failed to copy WPA IE, too big\n"); | |
1022 | return -1; | |
1023 | } | |
1024 | memcpy(priv->wpa_ie, ie_data_ptr, ie_len); | |
1025 | priv->wpa_ie_len = (u8) ie_len; | |
1026 | dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n", | |
1027 | priv->wpa_ie_len, priv->wpa_ie[0]); | |
1028 | ||
1029 | if (priv->wpa_ie[0] == WLAN_EID_WPA) { | |
1030 | priv->sec_info.wpa_enabled = true; | |
1031 | } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { | |
1032 | priv->sec_info.wpa2_enabled = true; | |
1033 | } else { | |
1034 | priv->sec_info.wpa_enabled = false; | |
1035 | priv->sec_info.wpa2_enabled = false; | |
1036 | } | |
1037 | } else { | |
1038 | memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); | |
1039 | priv->wpa_ie_len = 0; | |
1040 | dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n", | |
1041 | priv->wpa_ie_len, priv->wpa_ie[0]); | |
1042 | priv->sec_info.wpa_enabled = false; | |
1043 | priv->sec_info.wpa2_enabled = false; | |
1044 | } | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | /* | |
1050 | * IOCTL request handler to set/reset WAPI IE. | |
1051 | * | |
1052 | * The supplied WAPI IE is treated as a opaque buffer. Only the first field | |
1053 | * is checked to internally enable WAPI. If buffer length is zero, the existing | |
1054 | * WAPI IE is reset. | |
1055 | */ | |
1056 | static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, | |
1057 | u8 *ie_data_ptr, u16 ie_len) | |
1058 | { | |
1059 | if (ie_len) { | |
1060 | if (ie_len > sizeof(priv->wapi_ie)) { | |
1061 | dev_dbg(priv->adapter->dev, | |
1062 | "info: failed to copy WAPI IE, too big\n"); | |
1063 | return -1; | |
1064 | } | |
1065 | memcpy(priv->wapi_ie, ie_data_ptr, ie_len); | |
1066 | priv->wapi_ie_len = ie_len; | |
1067 | dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n", | |
1068 | priv->wapi_ie_len, priv->wapi_ie[0]); | |
1069 | ||
1070 | if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY) | |
1071 | priv->sec_info.wapi_enabled = true; | |
1072 | } else { | |
1073 | memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie)); | |
1074 | priv->wapi_ie_len = ie_len; | |
1075 | dev_dbg(priv->adapter->dev, | |
1076 | "info: Reset wapi_ie_len=%d IE=%#x\n", | |
1077 | priv->wapi_ie_len, priv->wapi_ie[0]); | |
1078 | priv->sec_info.wapi_enabled = false; | |
1079 | } | |
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | /* | |
1084 | * IOCTL request handler to set WAPI key. | |
1085 | * | |
1086 | * This function prepares the correct firmware command and | |
1087 | * issues it. | |
1088 | */ | |
600f5d90 | 1089 | static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1090 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1091 | { | |
1092 | int ret = 0; | |
5e6e3a92 | 1093 | |
600f5d90 AK |
1094 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL, |
1095 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, | |
1096 | encrypt_key); | |
5e6e3a92 BZ |
1097 | |
1098 | return ret; | |
1099 | } | |
1100 | ||
5e6e3a92 BZ |
1101 | /* |
1102 | * IOCTL request handler to set WEP network key. | |
1103 | * | |
1104 | * This function prepares the correct firmware command and | |
1105 | * issues it, after validation checks. | |
1106 | */ | |
600f5d90 | 1107 | static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1108 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1109 | { | |
1110 | int ret = 0; | |
5e6e3a92 BZ |
1111 | struct mwifiex_wep_key *wep_key = NULL; |
1112 | int index; | |
1113 | ||
1114 | if (priv->wep_key_curr_index >= NUM_WEP_KEYS) | |
1115 | priv->wep_key_curr_index = 0; | |
1116 | wep_key = &priv->wep_key[priv->wep_key_curr_index]; | |
1117 | index = encrypt_key->key_index; | |
1118 | if (encrypt_key->key_disable) { | |
1119 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_DISABLED; | |
1120 | } else if (!encrypt_key->key_len) { | |
1121 | /* Copy the required key as the current key */ | |
1122 | wep_key = &priv->wep_key[index]; | |
1123 | if (!wep_key->key_length) { | |
600f5d90 | 1124 | dev_err(priv->adapter->dev, |
5e6e3a92 BZ |
1125 | "key not set, so cannot enable it\n"); |
1126 | return -1; | |
1127 | } | |
1128 | priv->wep_key_curr_index = (u16) index; | |
1129 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED; | |
1130 | } else { | |
1131 | wep_key = &priv->wep_key[index]; | |
1132 | /* Cleanup */ | |
1133 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); | |
1134 | /* Copy the key in the driver */ | |
1135 | memcpy(wep_key->key_material, | |
1136 | encrypt_key->key_material, | |
1137 | encrypt_key->key_len); | |
1138 | wep_key->key_index = index; | |
1139 | wep_key->key_length = encrypt_key->key_len; | |
1140 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED; | |
1141 | } | |
1142 | if (wep_key->key_length) { | |
1143 | /* Send request to firmware */ | |
600f5d90 AK |
1144 | ret = mwifiex_send_cmd_async(priv, |
1145 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1146 | HostCmd_ACT_GEN_SET, 0, NULL); | |
5e6e3a92 BZ |
1147 | if (ret) |
1148 | return ret; | |
1149 | } | |
1150 | if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED) | |
1151 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; | |
1152 | else | |
1153 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; | |
1154 | ||
1155 | /* Send request to firmware */ | |
600f5d90 AK |
1156 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, |
1157 | HostCmd_ACT_GEN_SET, 0, | |
1158 | &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
1159 | |
1160 | return ret; | |
1161 | } | |
1162 | ||
1163 | /* | |
1164 | * IOCTL request handler to set WPA key. | |
1165 | * | |
1166 | * This function prepares the correct firmware command and | |
1167 | * issues it, after validation checks. | |
1168 | * | |
1169 | * Current driver only supports key length of up to 32 bytes. | |
1170 | * | |
1171 | * This function can also be used to disable a currently set key. | |
1172 | */ | |
600f5d90 | 1173 | static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1174 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1175 | { | |
1176 | int ret = 0; | |
5e6e3a92 BZ |
1177 | u8 remove_key = false; |
1178 | struct host_cmd_ds_802_11_key_material *ibss_key; | |
1179 | ||
1180 | /* Current driver only supports key length of up to 32 bytes */ | |
1181 | if (encrypt_key->key_len > MWIFIEX_MAX_KEY_LENGTH) { | |
600f5d90 | 1182 | dev_err(priv->adapter->dev, "key length too long\n"); |
5e6e3a92 BZ |
1183 | return -1; |
1184 | } | |
1185 | ||
eecd8250 | 1186 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1187 | /* |
1188 | * IBSS/WPA-None uses only one key (Group) for both receiving | |
1189 | * and sending unicast and multicast packets. | |
1190 | */ | |
1191 | /* Send the key as PTK to firmware */ | |
1192 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
600f5d90 AK |
1193 | ret = mwifiex_send_cmd_async(priv, |
1194 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1195 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, | |
1196 | encrypt_key); | |
5e6e3a92 BZ |
1197 | if (ret) |
1198 | return ret; | |
1199 | ||
1200 | ibss_key = &priv->aes_key; | |
1201 | memset(ibss_key, 0, | |
1202 | sizeof(struct host_cmd_ds_802_11_key_material)); | |
1203 | /* Copy the key in the driver */ | |
1204 | memcpy(ibss_key->key_param_set.key, encrypt_key->key_material, | |
1205 | encrypt_key->key_len); | |
1206 | memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len, | |
1207 | sizeof(ibss_key->key_param_set.key_len)); | |
1208 | ibss_key->key_param_set.key_type_id | |
1209 | = cpu_to_le16(KEY_TYPE_ID_TKIP); | |
6a35a0ac | 1210 | ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); |
5e6e3a92 BZ |
1211 | |
1212 | /* Send the key as GTK to firmware */ | |
1213 | encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST; | |
1214 | } | |
1215 | ||
1216 | if (!encrypt_key->key_index) | |
1217 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
1218 | ||
1219 | if (remove_key) | |
1220 | /* Send request to firmware */ | |
600f5d90 AK |
1221 | ret = mwifiex_send_cmd_sync(priv, |
1222 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1223 | HostCmd_ACT_GEN_SET, !(KEY_INFO_ENABLED), | |
1224 | encrypt_key); | |
5e6e3a92 BZ |
1225 | else |
1226 | /* Send request to firmware */ | |
600f5d90 AK |
1227 | ret = mwifiex_send_cmd_sync(priv, |
1228 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1229 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, | |
1230 | encrypt_key); | |
5e6e3a92 BZ |
1231 | |
1232 | return ret; | |
1233 | } | |
1234 | ||
1235 | /* | |
1236 | * IOCTL request handler to set/get network keys. | |
1237 | * | |
1238 | * This is a generic key handling function which supports WEP, WPA | |
1239 | * and WAPI. | |
1240 | */ | |
1241 | static int | |
1242 | mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1243 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1244 | { | |
1245 | int status = 0; | |
5e6e3a92 BZ |
1246 | |
1247 | if (encrypt_key->is_wapi_key) | |
600f5d90 | 1248 | status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key); |
5e6e3a92 | 1249 | else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) |
600f5d90 | 1250 | status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key); |
5e6e3a92 | 1251 | else |
600f5d90 | 1252 | status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key); |
5e6e3a92 BZ |
1253 | return status; |
1254 | } | |
1255 | ||
1256 | /* | |
1257 | * This function returns the driver version. | |
1258 | */ | |
1259 | int | |
1260 | mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, | |
1261 | int max_len) | |
1262 | { | |
1263 | union { | |
1264 | u32 l; | |
1265 | u8 c[4]; | |
1266 | } ver; | |
1267 | char fw_ver[32]; | |
1268 | ||
1269 | ver.l = adapter->fw_release_number; | |
1270 | sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); | |
1271 | ||
1272 | snprintf(version, max_len, driver_version, fw_ver); | |
1273 | ||
1274 | dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version); | |
1275 | ||
1276 | return 0; | |
1277 | } | |
1278 | ||
5e6e3a92 BZ |
1279 | /* |
1280 | * Sends IOCTL request to get signal information. | |
1281 | * | |
1282 | * This function allocates the IOCTL request buffer, fills it | |
1283 | * with requisite parameters and calls the IOCTL handler. | |
1284 | */ | |
600f5d90 | 1285 | int mwifiex_get_signal_info(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1286 | struct mwifiex_ds_get_signal *signal) |
1287 | { | |
1288 | struct mwifiex_ds_get_signal info; | |
5e6e3a92 BZ |
1289 | int status = 0; |
1290 | ||
600f5d90 | 1291 | memset(&info, 0, sizeof(struct mwifiex_ds_get_signal)); |
5e6e3a92 BZ |
1292 | info.selector = ALL_RSSI_INFO_MASK; |
1293 | ||
600f5d90 AK |
1294 | /* Signal info can be obtained only if connected */ |
1295 | if (!priv->media_connected) { | |
1296 | dev_dbg(priv->adapter->dev, | |
1297 | "info: Can not get signal in disconnected state\n"); | |
1298 | return -1; | |
1299 | } | |
1300 | ||
1301 | /* Send request to firmware */ | |
1302 | status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, | |
1303 | HostCmd_ACT_GEN_GET, 0, signal); | |
5e6e3a92 | 1304 | |
5e6e3a92 BZ |
1305 | if (!status) { |
1306 | if (signal) | |
1307 | memcpy(signal, &info, | |
1308 | sizeof(struct mwifiex_ds_get_signal)); | |
1309 | if (info.selector & BCN_RSSI_AVG_MASK) | |
1310 | priv->w_stats.qual.level = info.bcn_rssi_avg; | |
1311 | if (info.selector & BCN_NF_AVG_MASK) | |
1312 | priv->w_stats.qual.noise = info.bcn_nf_avg; | |
1313 | } | |
1314 | ||
5e6e3a92 BZ |
1315 | return status; |
1316 | } | |
1317 | ||
5e6e3a92 BZ |
1318 | /* |
1319 | * Sends IOCTL request to set encoding parameters. | |
1320 | * | |
1321 | * This function allocates the IOCTL request buffer, fills it | |
1322 | * with requisite parameters and calls the IOCTL handler. | |
1323 | */ | |
1324 | int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key, | |
1325 | int key_len, u8 key_index, int disable) | |
1326 | { | |
5e6e3a92 | 1327 | struct mwifiex_ds_encrypt_key encrypt_key; |
5e6e3a92 BZ |
1328 | int ret = 0; |
1329 | ||
5e6e3a92 BZ |
1330 | memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); |
1331 | encrypt_key.key_len = key_len; | |
1332 | if (!disable) { | |
1333 | encrypt_key.key_index = key_index; | |
1334 | if (key_len) | |
1335 | memcpy(encrypt_key.key_material, key, key_len); | |
1336 | } else { | |
1337 | encrypt_key.key_disable = true; | |
1338 | } | |
1339 | ||
600f5d90 | 1340 | ret = mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key); |
5e6e3a92 | 1341 | |
5e6e3a92 BZ |
1342 | return ret; |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | * Sends IOCTL request to get extended version. | |
1347 | * | |
1348 | * This function allocates the IOCTL request buffer, fills it | |
1349 | * with requisite parameters and calls the IOCTL handler. | |
1350 | */ | |
1351 | int | |
1352 | mwifiex_get_ver_ext(struct mwifiex_private *priv) | |
1353 | { | |
1354 | struct mwifiex_ver_ext ver_ext; | |
5e6e3a92 | 1355 | int ret = 0; |
5e6e3a92 BZ |
1356 | |
1357 | /* get fw version */ | |
1358 | memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext)); | |
600f5d90 AK |
1359 | /* Send request to firmware */ |
1360 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT, | |
1361 | HostCmd_ACT_GEN_GET, 0, &ver_ext); | |
5e6e3a92 BZ |
1362 | |
1363 | if (ret) | |
1364 | ret = -1; | |
1365 | ||
5e6e3a92 BZ |
1366 | return ret; |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * Sends IOCTL request to get statistics information. | |
1371 | * | |
1372 | * This function allocates the IOCTL request buffer, fills it | |
1373 | * with requisite parameters and calls the IOCTL handler. | |
1374 | */ | |
1375 | int | |
1376 | mwifiex_get_stats_info(struct mwifiex_private *priv, | |
1377 | struct mwifiex_ds_get_stats *log) | |
1378 | { | |
1379 | int ret = 0; | |
5e6e3a92 | 1380 | struct mwifiex_ds_get_stats get_log; |
5e6e3a92 BZ |
1381 | |
1382 | memset(&get_log, 0, sizeof(struct mwifiex_ds_get_stats)); | |
600f5d90 AK |
1383 | /* Send request to firmware */ |
1384 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG, | |
1385 | HostCmd_ACT_GEN_GET, 0, &get_log); | |
5e6e3a92 | 1386 | |
5e6e3a92 BZ |
1387 | if (!ret) { |
1388 | if (log) | |
1389 | memcpy(log, &get_log, sizeof(struct | |
1390 | mwifiex_ds_get_stats)); | |
1391 | priv->w_stats.discard.fragment = get_log.fcs_error; | |
1392 | priv->w_stats.discard.retries = get_log.retry; | |
1393 | priv->w_stats.discard.misc = get_log.ack_failure; | |
1394 | } | |
1395 | ||
5e6e3a92 BZ |
1396 | return ret; |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * IOCTL request handler to read/write register. | |
1401 | * | |
1402 | * This function prepares the correct firmware command and | |
1403 | * issues it. | |
1404 | * | |
1405 | * Access to the following registers are supported - | |
1406 | * - MAC | |
1407 | * - BBP | |
1408 | * - RF | |
1409 | * - PMIC | |
1410 | * - CAU | |
1411 | */ | |
1412 | static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1413 | struct mwifiex_ds_reg_rw *reg_rw, |
1414 | u16 action) | |
1415 | { | |
1416 | int ret = 0; | |
1417 | u16 cmd_no; | |
1418 | ||
1419 | switch (le32_to_cpu(reg_rw->type)) { | |
1420 | case MWIFIEX_REG_MAC: | |
1421 | cmd_no = HostCmd_CMD_MAC_REG_ACCESS; | |
1422 | break; | |
1423 | case MWIFIEX_REG_BBP: | |
1424 | cmd_no = HostCmd_CMD_BBP_REG_ACCESS; | |
1425 | break; | |
1426 | case MWIFIEX_REG_RF: | |
1427 | cmd_no = HostCmd_CMD_RF_REG_ACCESS; | |
1428 | break; | |
1429 | case MWIFIEX_REG_PMIC: | |
1430 | cmd_no = HostCmd_CMD_PMIC_REG_ACCESS; | |
1431 | break; | |
1432 | case MWIFIEX_REG_CAU: | |
1433 | cmd_no = HostCmd_CMD_CAU_REG_ACCESS; | |
1434 | break; | |
1435 | default: | |
1436 | return -1; | |
1437 | } | |
1438 | ||
1439 | /* Send request to firmware */ | |
600f5d90 | 1440 | ret = mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw); |
5e6e3a92 BZ |
1441 | |
1442 | return ret; | |
1443 | } | |
1444 | ||
1445 | /* | |
1446 | * Sends IOCTL request to write to a register. | |
1447 | * | |
1448 | * This function allocates the IOCTL request buffer, fills it | |
1449 | * with requisite parameters and calls the IOCTL handler. | |
1450 | */ | |
1451 | int | |
1452 | mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type, | |
1453 | u32 reg_offset, u32 reg_value) | |
1454 | { | |
1455 | int ret = 0; | |
5e6e3a92 BZ |
1456 | struct mwifiex_ds_reg_rw reg_rw; |
1457 | ||
5e6e3a92 BZ |
1458 | reg_rw.type = cpu_to_le32(reg_type); |
1459 | reg_rw.offset = cpu_to_le32(reg_offset); | |
1460 | reg_rw.value = cpu_to_le32(reg_value); | |
600f5d90 | 1461 | ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET); |
5e6e3a92 | 1462 | |
5e6e3a92 BZ |
1463 | return ret; |
1464 | } | |
1465 | ||
1466 | /* | |
1467 | * Sends IOCTL request to read from a register. | |
1468 | * | |
1469 | * This function allocates the IOCTL request buffer, fills it | |
1470 | * with requisite parameters and calls the IOCTL handler. | |
1471 | */ | |
1472 | int | |
1473 | mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type, | |
1474 | u32 reg_offset, u32 *value) | |
1475 | { | |
1476 | int ret = 0; | |
5e6e3a92 BZ |
1477 | struct mwifiex_ds_reg_rw reg_rw; |
1478 | ||
5e6e3a92 BZ |
1479 | reg_rw.type = cpu_to_le32(reg_type); |
1480 | reg_rw.offset = cpu_to_le32(reg_offset); | |
600f5d90 | 1481 | ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); |
5e6e3a92 | 1482 | |
5e6e3a92 BZ |
1483 | if (ret) |
1484 | goto done; | |
1485 | ||
1486 | *value = le32_to_cpu(reg_rw.value); | |
1487 | ||
1488 | done: | |
5e6e3a92 BZ |
1489 | return ret; |
1490 | } | |
1491 | ||
1492 | /* | |
1493 | * Sends IOCTL request to read from EEPROM. | |
1494 | * | |
1495 | * This function allocates the IOCTL request buffer, fills it | |
1496 | * with requisite parameters and calls the IOCTL handler. | |
1497 | */ | |
1498 | int | |
1499 | mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes, | |
1500 | u8 *value) | |
1501 | { | |
1502 | int ret = 0; | |
5e6e3a92 BZ |
1503 | struct mwifiex_ds_read_eeprom rd_eeprom; |
1504 | ||
5e6e3a92 BZ |
1505 | rd_eeprom.offset = cpu_to_le16((u16) offset); |
1506 | rd_eeprom.byte_count = cpu_to_le16((u16) bytes); | |
5e6e3a92 | 1507 | |
600f5d90 AK |
1508 | /* Send request to firmware */ |
1509 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, | |
1510 | HostCmd_ACT_GEN_GET, 0, &rd_eeprom); | |
5e6e3a92 | 1511 | |
600f5d90 AK |
1512 | if (!ret) |
1513 | memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA); | |
5e6e3a92 BZ |
1514 | return ret; |
1515 | } | |
1516 | ||
1517 | /* | |
1518 | * This function sets a generic IE. In addition to generic IE, it can | |
1519 | * also handle WPA, WPA2 and WAPI IEs. | |
1520 | */ | |
1521 | static int | |
1522 | mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, | |
1523 | u16 ie_len) | |
1524 | { | |
1525 | int ret = 0; | |
1526 | struct ieee_types_vendor_header *pvendor_ie; | |
1527 | const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; | |
1528 | const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; | |
1529 | ||
1530 | /* If the passed length is zero, reset the buffer */ | |
1531 | if (!ie_len) { | |
1532 | priv->gen_ie_buf_len = 0; | |
1533 | priv->wps.session_enable = false; | |
1534 | ||
1535 | return 0; | |
1536 | } else if (!ie_data_ptr) { | |
1537 | return -1; | |
1538 | } | |
1539 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
1540 | /* Test to see if it is a WPA IE, if not, then it is a gen IE */ | |
1541 | if (((pvendor_ie->element_id == WLAN_EID_WPA) | |
1542 | && (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) | |
1543 | || (pvendor_ie->element_id == WLAN_EID_RSN)) { | |
1544 | ||
1545 | /* IE is a WPA/WPA2 IE so call set_wpa function */ | |
1546 | ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len); | |
1547 | priv->wps.session_enable = false; | |
1548 | ||
1549 | return ret; | |
1550 | } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { | |
1551 | /* IE is a WAPI IE so call set_wapi function */ | |
1552 | ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len); | |
1553 | ||
1554 | return ret; | |
1555 | } | |
1556 | /* | |
1557 | * Verify that the passed length is not larger than the | |
1558 | * available space remaining in the buffer | |
1559 | */ | |
1560 | if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { | |
1561 | ||
1562 | /* Test to see if it is a WPS IE, if so, enable | |
1563 | * wps session flag | |
1564 | */ | |
1565 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
1566 | if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) | |
1567 | && (!memcmp(pvendor_ie->oui, wps_oui, | |
1568 | sizeof(wps_oui)))) { | |
1569 | priv->wps.session_enable = true; | |
1570 | dev_dbg(priv->adapter->dev, | |
1571 | "info: WPS Session Enabled.\n"); | |
1572 | } | |
1573 | ||
1574 | /* Append the passed data to the end of the | |
1575 | genIeBuffer */ | |
1576 | memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr, | |
1577 | ie_len); | |
1578 | /* Increment the stored buffer length by the | |
1579 | size passed */ | |
1580 | priv->gen_ie_buf_len += ie_len; | |
1581 | } else { | |
1582 | /* Passed data does not fit in the remaining | |
1583 | buffer space */ | |
1584 | ret = -1; | |
1585 | } | |
1586 | ||
1587 | /* Return 0, or -1 for error case */ | |
1588 | return ret; | |
1589 | } | |
1590 | ||
1591 | /* | |
1592 | * IOCTL request handler to set/get generic IE. | |
1593 | * | |
1594 | * In addition to various generic IEs, this function can also be | |
1595 | * used to set the ARP filter. | |
1596 | */ | |
1597 | static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv, | |
1598 | struct mwifiex_ds_misc_gen_ie *gen_ie, | |
1599 | u16 action) | |
1600 | { | |
1601 | struct mwifiex_adapter *adapter = priv->adapter; | |
1602 | ||
1603 | switch (gen_ie->type) { | |
1604 | case MWIFIEX_IE_TYPE_GEN_IE: | |
1605 | if (action == HostCmd_ACT_GEN_GET) { | |
1606 | gen_ie->len = priv->wpa_ie_len; | |
1607 | memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); | |
1608 | } else { | |
1609 | mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data, | |
1610 | (u16) gen_ie->len); | |
1611 | } | |
1612 | break; | |
1613 | case MWIFIEX_IE_TYPE_ARP_FILTER: | |
1614 | memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); | |
1615 | if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { | |
1616 | adapter->arp_filter_size = 0; | |
1617 | dev_err(adapter->dev, "invalid ARP filter size\n"); | |
1618 | return -1; | |
1619 | } else { | |
1620 | memcpy(adapter->arp_filter, gen_ie->ie_data, | |
1621 | gen_ie->len); | |
1622 | adapter->arp_filter_size = gen_ie->len; | |
1623 | } | |
1624 | break; | |
1625 | default: | |
1626 | dev_err(adapter->dev, "invalid IE type\n"); | |
1627 | return -1; | |
1628 | } | |
1629 | return 0; | |
1630 | } | |
1631 | ||
1632 | /* | |
1633 | * Sends IOCTL request to set a generic IE. | |
1634 | * | |
1635 | * This function allocates the IOCTL request buffer, fills it | |
1636 | * with requisite parameters and calls the IOCTL handler. | |
1637 | */ | |
1638 | int | |
1639 | mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len) | |
1640 | { | |
1641 | struct mwifiex_ds_misc_gen_ie gen_ie; | |
1642 | int status = 0; | |
1643 | ||
1644 | if (ie_len > IW_CUSTOM_MAX) | |
1645 | return -EFAULT; | |
1646 | ||
1647 | gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE; | |
1648 | gen_ie.len = ie_len; | |
1649 | memcpy(gen_ie.ie_data, ie, ie_len); | |
1650 | status = mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET); | |
1651 | if (status) | |
1652 | return -EFAULT; | |
1653 | ||
1654 | return 0; | |
1655 | } |