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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; |
efaaa8b8 | 58 | struct cmd_ctrl_node *cmd_queued = adapter->cmd_queued; |
5e6e3a92 | 59 | |
efaaa8b8 | 60 | adapter->cmd_queued = NULL; |
600f5d90 AK |
61 | dev_dbg(adapter->dev, "cmd pending\n"); |
62 | atomic_inc(&adapter->cmd_pending); | |
5e6e3a92 | 63 | |
600f5d90 AK |
64 | /* Status pending, wake up main process */ |
65 | queue_work(adapter->workqueue, &adapter->main_work); | |
5e6e3a92 | 66 | |
600f5d90 AK |
67 | /* Wait for completion */ |
68 | wait_event_interruptible(adapter->cmd_wait_q.wait, | |
efaaa8b8 AK |
69 | *(cmd_queued->condition)); |
70 | if (!*(cmd_queued->condition)) | |
600f5d90 | 71 | cancel_flag = true; |
5e6e3a92 | 72 | |
600f5d90 AK |
73 | if (cancel_flag) { |
74 | mwifiex_cancel_pending_ioctl(adapter); | |
75 | dev_dbg(adapter->dev, "cmd cancel\n"); | |
5e6e3a92 | 76 | } |
600f5d90 | 77 | adapter->cmd_wait_q.status = 0; |
5e6e3a92 | 78 | |
5e6e3a92 BZ |
79 | return status; |
80 | } | |
81 | ||
82 | /* | |
5e6e3a92 BZ |
83 | * This function prepares the correct firmware command and |
84 | * issues it to set the multicast list. | |
85 | * | |
86 | * This function can be used to enable promiscuous mode, or enable all | |
87 | * multicast packets, or to enable selective multicast. | |
88 | */ | |
600f5d90 AK |
89 | int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, |
90 | struct mwifiex_multicast_list *mcast_list) | |
5e6e3a92 BZ |
91 | { |
92 | int ret = 0; | |
93 | u16 old_pkt_filter; | |
94 | ||
95 | old_pkt_filter = priv->curr_pkt_filter; | |
5e6e3a92 BZ |
96 | |
97 | if (mcast_list->mode == MWIFIEX_PROMISC_MODE) { | |
98 | dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n"); | |
99 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
100 | priv->curr_pkt_filter &= | |
101 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
102 | } else { | |
103 | /* Multicast */ | |
104 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; | |
105 | if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) { | |
106 | dev_dbg(priv->adapter->dev, | |
107 | "info: Enabling All Multicast!\n"); | |
108 | priv->curr_pkt_filter |= | |
109 | HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
110 | } else { | |
111 | priv->curr_pkt_filter &= | |
112 | ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; | |
113 | if (mcast_list->num_multicast_addr) { | |
114 | dev_dbg(priv->adapter->dev, | |
115 | "info: Set multicast list=%d\n", | |
116 | mcast_list->num_multicast_addr); | |
117 | /* Set multicast addresses to firmware */ | |
118 | if (old_pkt_filter == priv->curr_pkt_filter) { | |
119 | /* Send request to firmware */ | |
600f5d90 | 120 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 121 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 AK |
122 | HostCmd_ACT_GEN_SET, 0, |
123 | mcast_list); | |
5e6e3a92 BZ |
124 | } else { |
125 | /* Send request to firmware */ | |
600f5d90 | 126 | ret = mwifiex_send_cmd_async(priv, |
5e6e3a92 | 127 | HostCmd_CMD_MAC_MULTICAST_ADR, |
600f5d90 | 128 | HostCmd_ACT_GEN_SET, 0, |
5e6e3a92 BZ |
129 | mcast_list); |
130 | } | |
131 | } | |
132 | } | |
133 | } | |
134 | dev_dbg(priv->adapter->dev, | |
135 | "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", | |
136 | old_pkt_filter, priv->curr_pkt_filter); | |
137 | if (old_pkt_filter != priv->curr_pkt_filter) { | |
600f5d90 AK |
138 | ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
139 | HostCmd_ACT_GEN_SET, | |
140 | 0, &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
141 | } |
142 | ||
143 | return ret; | |
144 | } | |
145 | ||
7c6fa2a8 AK |
146 | /* |
147 | * This function fills bss descriptor structure using provided | |
148 | * information. | |
149 | */ | |
150 | int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, | |
151 | u8 *bssid, s32 rssi, u8 *ie_buf, | |
152 | size_t ie_len, u16 beacon_period, | |
5116f3ce | 153 | u16 cap_info_bitmap, u8 band, |
7c6fa2a8 AK |
154 | struct mwifiex_bssdescriptor *bss_desc) |
155 | { | |
156 | int ret; | |
157 | ||
158 | memcpy(bss_desc->mac_address, bssid, ETH_ALEN); | |
159 | bss_desc->rssi = rssi; | |
160 | bss_desc->beacon_buf = ie_buf; | |
161 | bss_desc->beacon_buf_size = ie_len; | |
162 | bss_desc->beacon_period = beacon_period; | |
163 | bss_desc->cap_info_bitmap = cap_info_bitmap; | |
5116f3ce | 164 | bss_desc->bss_band = band; |
7c6fa2a8 AK |
165 | if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { |
166 | dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n"); | |
167 | bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; | |
168 | } else { | |
169 | bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; | |
170 | } | |
171 | if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS) | |
172 | bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; | |
173 | else | |
174 | bss_desc->bss_mode = NL80211_IFTYPE_STATION; | |
175 | ||
176 | ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc, | |
177 | ie_buf, ie_len); | |
178 | ||
179 | return ret; | |
180 | } | |
181 | ||
5e6e3a92 | 182 | /* |
5e6e3a92 BZ |
183 | * In Ad-Hoc mode, the IBSS is created if not found in scan list. |
184 | * In both Ad-Hoc and infra mode, an deauthentication is performed | |
185 | * first. | |
186 | */ | |
7c6fa2a8 AK |
187 | int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, |
188 | struct mwifiex_802_11_ssid *req_ssid) | |
5e6e3a92 | 189 | { |
270e58e8 | 190 | int ret; |
5e6e3a92 | 191 | struct mwifiex_adapter *adapter = priv->adapter; |
7c6fa2a8 AK |
192 | struct mwifiex_bssdescriptor *bss_desc = NULL; |
193 | u8 *beacon_ie = NULL; | |
5e6e3a92 BZ |
194 | |
195 | priv->scan_block = false; | |
7c6fa2a8 AK |
196 | |
197 | if (bss) { | |
198 | /* Allocate and fill new bss descriptor */ | |
199 | bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), | |
200 | GFP_KERNEL); | |
201 | if (!bss_desc) { | |
202 | dev_err(priv->adapter->dev, " failed to alloc bss_desc\n"); | |
203 | return -ENOMEM; | |
204 | } | |
5982b47a YAP |
205 | |
206 | beacon_ie = kmemdup(bss->information_elements, | |
207 | bss->len_beacon_ies, GFP_KERNEL); | |
7c6fa2a8 | 208 | if (!beacon_ie) { |
aef0ba54 | 209 | kfree(bss_desc); |
5982b47a | 210 | dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); |
7c6fa2a8 AK |
211 | return -ENOMEM; |
212 | } | |
5982b47a | 213 | |
7c6fa2a8 AK |
214 | ret = mwifiex_fill_new_bss_desc(priv, bss->bssid, bss->signal, |
215 | beacon_ie, bss->len_beacon_ies, | |
216 | bss->beacon_interval, | |
5116f3ce AK |
217 | bss->capability, |
218 | *(u8 *)bss->priv, bss_desc); | |
7c6fa2a8 AK |
219 | if (ret) |
220 | goto done; | |
221 | } | |
5e6e3a92 | 222 | |
eecd8250 | 223 | if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
5e6e3a92 | 224 | /* Infra mode */ |
600f5d90 | 225 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 | 226 | if (ret) |
7c6fa2a8 AK |
227 | goto done; |
228 | ||
229 | ret = mwifiex_check_network_compatibility(priv, bss_desc); | |
230 | if (ret) | |
231 | goto done; | |
5e6e3a92 | 232 | |
7c6fa2a8 AK |
233 | dev_dbg(adapter->dev, "info: SSID found in scan list ... " |
234 | "associating...\n"); | |
235 | ||
236 | if (!netif_queue_stopped(priv->netdev)) | |
237 | netif_stop_queue(priv->netdev); | |
5e6e3a92 BZ |
238 | |
239 | /* Clear any past association response stored for | |
240 | * application retrieval */ | |
241 | priv->assoc_rsp_size = 0; | |
7c6fa2a8 AK |
242 | ret = mwifiex_associate(priv, bss_desc); |
243 | if (bss) | |
244 | cfg80211_put_bss(bss); | |
5e6e3a92 BZ |
245 | } else { |
246 | /* Adhoc mode */ | |
247 | /* If the requested SSID matches current SSID, return */ | |
7c6fa2a8 | 248 | if (bss_desc && bss_desc->ssid.ssid_len && |
5e6e3a92 BZ |
249 | (!mwifiex_ssid_cmp |
250 | (&priv->curr_bss_params.bss_descriptor.ssid, | |
7c6fa2a8 AK |
251 | &bss_desc->ssid))) { |
252 | kfree(bss_desc); | |
253 | kfree(beacon_ie); | |
5e6e3a92 | 254 | return 0; |
7c6fa2a8 | 255 | } |
5e6e3a92 BZ |
256 | |
257 | /* Exit Adhoc mode first */ | |
258 | dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n"); | |
600f5d90 | 259 | ret = mwifiex_deauthenticate(priv, NULL); |
5e6e3a92 | 260 | if (ret) |
7c6fa2a8 | 261 | goto done; |
5e6e3a92 BZ |
262 | |
263 | priv->adhoc_is_link_sensed = false; | |
264 | ||
7c6fa2a8 AK |
265 | ret = mwifiex_check_network_compatibility(priv, bss_desc); |
266 | ||
267 | if (!netif_queue_stopped(priv->netdev)) | |
268 | netif_stop_queue(priv->netdev); | |
269 | ||
270 | if (!ret) { | |
5e6e3a92 BZ |
271 | dev_dbg(adapter->dev, "info: network found in scan" |
272 | " list. Joining...\n"); | |
7c6fa2a8 AK |
273 | ret = mwifiex_adhoc_join(priv, bss_desc); |
274 | if (bss) | |
275 | cfg80211_put_bss(bss); | |
636c4598 | 276 | } else { |
5e6e3a92 BZ |
277 | dev_dbg(adapter->dev, "info: Network not found in " |
278 | "the list, creating adhoc with ssid = %s\n", | |
7c6fa2a8 AK |
279 | req_ssid->ssid); |
280 | ret = mwifiex_adhoc_start(priv, req_ssid); | |
5e6e3a92 BZ |
281 | } |
282 | } | |
283 | ||
7c6fa2a8 AK |
284 | done: |
285 | kfree(bss_desc); | |
286 | kfree(beacon_ie); | |
5e6e3a92 BZ |
287 | return ret; |
288 | } | |
289 | ||
5e6e3a92 BZ |
290 | /* |
291 | * IOCTL request handler to set host sleep configuration. | |
292 | * | |
293 | * This function prepares the correct firmware command and | |
294 | * issues it. | |
295 | */ | |
711825a0 AK |
296 | static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action, |
297 | int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg) | |
600f5d90 | 298 | |
5e6e3a92 BZ |
299 | { |
300 | struct mwifiex_adapter *adapter = priv->adapter; | |
301 | int status = 0; | |
302 | u32 prev_cond = 0; | |
303 | ||
600f5d90 AK |
304 | if (!hs_cfg) |
305 | return -ENOMEM; | |
306 | ||
5e6e3a92 BZ |
307 | switch (action) { |
308 | case HostCmd_ACT_GEN_SET: | |
309 | if (adapter->pps_uapsd_mode) { | |
310 | dev_dbg(adapter->dev, "info: Host Sleep IOCTL" | |
311 | " is blocked in UAPSD/PPS mode\n"); | |
312 | status = -1; | |
313 | break; | |
314 | } | |
315 | if (hs_cfg->is_invoke_hostcmd) { | |
316 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) { | |
317 | if (!adapter->is_hs_configured) | |
318 | /* Already cancelled */ | |
319 | break; | |
320 | /* Save previous condition */ | |
321 | prev_cond = le32_to_cpu(adapter->hs_cfg | |
322 | .conditions); | |
323 | adapter->hs_cfg.conditions = | |
324 | cpu_to_le32(hs_cfg->conditions); | |
325 | } else if (hs_cfg->conditions) { | |
326 | adapter->hs_cfg.conditions = | |
327 | cpu_to_le32(hs_cfg->conditions); | |
328 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; | |
329 | if (hs_cfg->gap) | |
330 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
331 | } else if (adapter->hs_cfg.conditions == | |
332 | cpu_to_le32( | |
333 | HOST_SLEEP_CFG_CANCEL)) { | |
334 | /* Return failure if no parameters for HS | |
335 | enable */ | |
336 | status = -1; | |
337 | break; | |
338 | } | |
600f5d90 AK |
339 | if (cmd_type == MWIFIEX_SYNC_CMD) |
340 | status = mwifiex_send_cmd_sync(priv, | |
341 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
342 | HostCmd_ACT_GEN_SET, 0, | |
343 | &adapter->hs_cfg); | |
344 | else | |
345 | status = mwifiex_send_cmd_async(priv, | |
346 | HostCmd_CMD_802_11_HS_CFG_ENH, | |
347 | HostCmd_ACT_GEN_SET, 0, | |
348 | &adapter->hs_cfg); | |
5e6e3a92 BZ |
349 | if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) |
350 | /* Restore previous condition */ | |
351 | adapter->hs_cfg.conditions = | |
352 | cpu_to_le32(prev_cond); | |
353 | } else { | |
354 | adapter->hs_cfg.conditions = | |
355 | cpu_to_le32(hs_cfg->conditions); | |
356 | adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; | |
357 | adapter->hs_cfg.gap = (u8)hs_cfg->gap; | |
358 | } | |
359 | break; | |
360 | case HostCmd_ACT_GEN_GET: | |
361 | hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); | |
362 | hs_cfg->gpio = adapter->hs_cfg.gpio; | |
363 | hs_cfg->gap = adapter->hs_cfg.gap; | |
364 | break; | |
365 | default: | |
366 | status = -1; | |
367 | break; | |
368 | } | |
369 | ||
370 | return status; | |
371 | } | |
372 | ||
5e6e3a92 BZ |
373 | /* |
374 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
375 | * | |
376 | * This function allocates the IOCTL request buffer, fills it | |
377 | * with requisite parameters and calls the IOCTL handler. | |
378 | */ | |
600f5d90 | 379 | int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type) |
5e6e3a92 | 380 | { |
5e6e3a92 BZ |
381 | struct mwifiex_ds_hs_cfg hscfg; |
382 | ||
5e6e3a92 BZ |
383 | hscfg.conditions = HOST_SLEEP_CFG_CANCEL; |
384 | hscfg.is_invoke_hostcmd = true; | |
5e6e3a92 | 385 | |
636c4598 YAP |
386 | return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, |
387 | cmd_type, &hscfg); | |
5e6e3a92 BZ |
388 | } |
389 | EXPORT_SYMBOL_GPL(mwifiex_cancel_hs); | |
390 | ||
391 | /* | |
392 | * Sends IOCTL request to cancel the existing Host Sleep configuration. | |
393 | * | |
394 | * This function allocates the IOCTL request buffer, fills it | |
395 | * with requisite parameters and calls the IOCTL handler. | |
396 | */ | |
397 | int mwifiex_enable_hs(struct mwifiex_adapter *adapter) | |
398 | { | |
399 | struct mwifiex_ds_hs_cfg hscfg; | |
400 | ||
401 | if (adapter->hs_activated) { | |
402 | dev_dbg(adapter->dev, "cmd: HS Already actived\n"); | |
403 | return true; | |
404 | } | |
405 | ||
5e6e3a92 BZ |
406 | adapter->hs_activate_wait_q_woken = false; |
407 | ||
408 | memset(&hscfg, 0, sizeof(struct mwifiex_hs_config_param)); | |
409 | hscfg.is_invoke_hostcmd = true; | |
410 | ||
411 | if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, | |
412 | MWIFIEX_BSS_ROLE_STA), | |
600f5d90 AK |
413 | HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, |
414 | &hscfg)) { | |
5e6e3a92 BZ |
415 | dev_err(adapter->dev, "IOCTL request HS enable failed\n"); |
416 | return false; | |
417 | } | |
418 | ||
419 | wait_event_interruptible(adapter->hs_activate_wait_q, | |
420 | adapter->hs_activate_wait_q_woken); | |
421 | ||
422 | return true; | |
423 | } | |
424 | EXPORT_SYMBOL_GPL(mwifiex_enable_hs); | |
425 | ||
5e6e3a92 BZ |
426 | /* |
427 | * IOCTL request handler to get BSS information. | |
428 | * | |
429 | * This function collates the information from different driver structures | |
430 | * to send to the user. | |
431 | */ | |
432 | int mwifiex_get_bss_info(struct mwifiex_private *priv, | |
433 | struct mwifiex_bss_info *info) | |
434 | { | |
435 | struct mwifiex_adapter *adapter = priv->adapter; | |
436 | struct mwifiex_bssdescriptor *bss_desc; | |
5e6e3a92 BZ |
437 | |
438 | if (!info) | |
439 | return -1; | |
440 | ||
5e6e3a92 BZ |
441 | bss_desc = &priv->curr_bss_params.bss_descriptor; |
442 | ||
5e6e3a92 BZ |
443 | info->bss_mode = priv->bss_mode; |
444 | ||
5e6e3a92 BZ |
445 | memcpy(&info->ssid, &bss_desc->ssid, |
446 | sizeof(struct mwifiex_802_11_ssid)); | |
447 | ||
5e6e3a92 BZ |
448 | memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); |
449 | ||
5e6e3a92 BZ |
450 | info->bss_chan = bss_desc->channel; |
451 | ||
5e6e3a92 BZ |
452 | info->region_code = adapter->region_code; |
453 | ||
5e6e3a92 BZ |
454 | info->media_connected = priv->media_connected; |
455 | ||
5e6e3a92 BZ |
456 | info->max_power_level = priv->max_tx_power_level; |
457 | info->min_power_level = priv->min_tx_power_level; | |
458 | ||
5e6e3a92 BZ |
459 | info->adhoc_state = priv->adhoc_state; |
460 | ||
5e6e3a92 BZ |
461 | info->bcn_nf_last = priv->bcn_nf_last; |
462 | ||
5e6e3a92 BZ |
463 | if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED) |
464 | info->wep_status = true; | |
465 | else | |
466 | info->wep_status = false; | |
467 | ||
468 | info->is_hs_configured = adapter->is_hs_configured; | |
469 | info->is_deep_sleep = adapter->is_deep_sleep; | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | /* | |
600f5d90 | 475 | * The function sets band configurations. |
5e6e3a92 | 476 | * |
600f5d90 | 477 | * it performs extra checks to make sure the Ad-Hoc |
5e6e3a92 BZ |
478 | * band and channel are compatible. Otherwise it returns an error. |
479 | * | |
5e6e3a92 | 480 | */ |
600f5d90 AK |
481 | int mwifiex_set_radio_band_cfg(struct mwifiex_private *priv, |
482 | struct mwifiex_ds_band_cfg *radio_cfg) | |
5e6e3a92 BZ |
483 | { |
484 | struct mwifiex_adapter *adapter = priv->adapter; | |
270e58e8 YAP |
485 | u8 infra_band, adhoc_band; |
486 | u32 adhoc_channel; | |
5e6e3a92 | 487 | |
5e6e3a92 BZ |
488 | infra_band = (u8) radio_cfg->config_bands; |
489 | adhoc_band = (u8) radio_cfg->adhoc_start_band; | |
490 | adhoc_channel = radio_cfg->adhoc_channel; | |
491 | ||
492 | /* SET Infra band */ | |
493 | if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands) | |
494 | return -1; | |
495 | ||
496 | adapter->config_bands = infra_band; | |
497 | ||
498 | /* SET Ad-hoc Band */ | |
499 | if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands) | |
500 | return -1; | |
501 | ||
502 | if (adhoc_band) | |
503 | adapter->adhoc_start_band = adhoc_band; | |
504 | adapter->chan_offset = (u8) radio_cfg->sec_chan_offset; | |
505 | /* | |
506 | * If no adhoc_channel is supplied verify if the existing adhoc | |
507 | * channel compiles with new adhoc_band | |
508 | */ | |
509 | if (!adhoc_channel) { | |
510 | if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
511 | (priv, adapter->adhoc_start_band, | |
512 | priv->adhoc_channel)) { | |
513 | /* Pass back the default channel */ | |
514 | radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
515 | if ((adapter->adhoc_start_band & BAND_A) | |
516 | || (adapter->adhoc_start_band & BAND_AN)) | |
517 | radio_cfg->adhoc_channel = | |
518 | DEFAULT_AD_HOC_CHANNEL_A; | |
519 | } | |
520 | } else { /* Retrurn error if adhoc_band and | |
521 | adhoc_channel combination is invalid */ | |
522 | if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
523 | (priv, adapter->adhoc_start_band, (u16) adhoc_channel)) | |
524 | return -1; | |
525 | priv->adhoc_channel = (u8) adhoc_channel; | |
526 | } | |
527 | if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN)) | |
528 | adapter->adhoc_11n_enabled = true; | |
529 | else | |
530 | adapter->adhoc_11n_enabled = false; | |
531 | ||
532 | return 0; | |
533 | } | |
534 | ||
a0490936 AK |
535 | /* |
536 | * The function disables auto deep sleep mode. | |
537 | */ | |
538 | int mwifiex_disable_auto_ds(struct mwifiex_private *priv) | |
539 | { | |
540 | struct mwifiex_ds_auto_ds auto_ds; | |
541 | ||
542 | auto_ds.auto_ds = DEEP_SLEEP_OFF; | |
543 | ||
544 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, | |
545 | DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds); | |
546 | } | |
547 | EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds); | |
548 | ||
5e6e3a92 BZ |
549 | /* |
550 | * IOCTL request handler to set/get active channel. | |
551 | * | |
552 | * This function performs validity checking on channel/frequency | |
553 | * compatibility and returns failure if not valid. | |
554 | */ | |
600f5d90 AK |
555 | int mwifiex_bss_set_channel(struct mwifiex_private *priv, |
556 | struct mwifiex_chan_freq_power *chan) | |
5e6e3a92 BZ |
557 | { |
558 | struct mwifiex_adapter *adapter = priv->adapter; | |
559 | struct mwifiex_chan_freq_power *cfp = NULL; | |
560 | ||
561 | if (!chan) | |
562 | return -1; | |
563 | ||
5e6e3a92 BZ |
564 | if (!chan->channel && !chan->freq) |
565 | return -1; | |
566 | if (adapter->adhoc_start_band & BAND_AN) | |
567 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
568 | else if (adapter->adhoc_start_band & BAND_A) | |
569 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
570 | if (chan->channel) { | |
571 | if (chan->channel <= MAX_CHANNEL_BAND_BG) | |
572 | cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
573 | (priv, 0, (u16) chan->channel); | |
574 | if (!cfp) { | |
575 | cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211 | |
576 | (priv, BAND_A, (u16) chan->channel); | |
577 | if (cfp) { | |
578 | if (adapter->adhoc_11n_enabled) | |
579 | adapter->adhoc_start_band = BAND_A | |
580 | | BAND_AN; | |
581 | else | |
582 | adapter->adhoc_start_band = BAND_A; | |
583 | } | |
584 | } | |
585 | } else { | |
586 | if (chan->freq <= MAX_FREQUENCY_BAND_BG) | |
587 | cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211( | |
588 | priv, 0, chan->freq); | |
589 | if (!cfp) { | |
590 | cfp = mwifiex_get_cfp_by_band_and_freq_from_cfg80211 | |
591 | (priv, BAND_A, chan->freq); | |
592 | if (cfp) { | |
593 | if (adapter->adhoc_11n_enabled) | |
594 | adapter->adhoc_start_band = BAND_A | |
595 | | BAND_AN; | |
596 | else | |
597 | adapter->adhoc_start_band = BAND_A; | |
598 | } | |
599 | } | |
600 | } | |
601 | if (!cfp || !cfp->channel) { | |
602 | dev_err(adapter->dev, "invalid channel/freq\n"); | |
603 | return -1; | |
604 | } | |
605 | priv->adhoc_channel = (u8) cfp->channel; | |
606 | chan->channel = cfp->channel; | |
607 | chan->freq = cfp->freq; | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
5e6e3a92 BZ |
612 | /* |
613 | * IOCTL request handler to set/get Ad-Hoc channel. | |
614 | * | |
615 | * This function prepares the correct firmware command and | |
616 | * issues it to set or get the ad-hoc channel. | |
617 | */ | |
618 | static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
619 | u16 action, u16 *channel) |
620 | { | |
5e6e3a92 BZ |
621 | if (action == HostCmd_ACT_GEN_GET) { |
622 | if (!priv->media_connected) { | |
623 | *channel = priv->adhoc_channel; | |
636c4598 | 624 | return 0; |
5e6e3a92 BZ |
625 | } |
626 | } else { | |
627 | priv->adhoc_channel = (u8) *channel; | |
628 | } | |
629 | ||
636c4598 | 630 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL, |
600f5d90 | 631 | action, 0, channel); |
5e6e3a92 BZ |
632 | } |
633 | ||
5e6e3a92 BZ |
634 | /* |
635 | * IOCTL request handler to change Ad-Hoc channel. | |
636 | * | |
637 | * This function allocates the IOCTL request buffer, fills it | |
638 | * with requisite parameters and calls the IOCTL handler. | |
639 | * | |
640 | * The function follows the following steps to perform the change - | |
641 | * - Get current IBSS information | |
642 | * - Get current channel | |
643 | * - If no change is required, return | |
644 | * - If not connected, change channel and return | |
645 | * - If connected, | |
646 | * - Disconnect | |
647 | * - Change channel | |
648 | * - Perform specific SSID scan with same SSID | |
649 | * - Start/Join the IBSS | |
650 | */ | |
651 | int | |
652 | mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, int channel) | |
653 | { | |
270e58e8 | 654 | int ret; |
5e6e3a92 | 655 | struct mwifiex_bss_info bss_info; |
5e6e3a92 BZ |
656 | struct mwifiex_ssid_bssid ssid_bssid; |
657 | u16 curr_chan = 0; | |
7c6fa2a8 AK |
658 | struct cfg80211_bss *bss = NULL; |
659 | struct ieee80211_channel *chan; | |
4ed5d521 | 660 | enum ieee80211_band band; |
5e6e3a92 BZ |
661 | |
662 | memset(&bss_info, 0, sizeof(bss_info)); | |
663 | ||
664 | /* Get BSS information */ | |
665 | if (mwifiex_get_bss_info(priv, &bss_info)) | |
666 | return -1; | |
667 | ||
5e6e3a92 | 668 | /* Get current channel */ |
600f5d90 AK |
669 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET, |
670 | &curr_chan); | |
5e6e3a92 | 671 | |
5e6e3a92 BZ |
672 | if (curr_chan == channel) { |
673 | ret = 0; | |
674 | goto done; | |
675 | } | |
676 | dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n", | |
677 | curr_chan, channel); | |
678 | ||
679 | if (!bss_info.media_connected) { | |
680 | ret = 0; | |
681 | goto done; | |
682 | } | |
683 | ||
684 | /* Do disonnect */ | |
685 | memset(&ssid_bssid, 0, ETH_ALEN); | |
600f5d90 | 686 | ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid); |
5e6e3a92 | 687 | |
600f5d90 AK |
688 | ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET, |
689 | (u16 *) &channel); | |
5e6e3a92 BZ |
690 | |
691 | /* Do specific SSID scanning */ | |
600f5d90 | 692 | if (mwifiex_request_scan(priv, &bss_info.ssid)) { |
5e6e3a92 BZ |
693 | ret = -1; |
694 | goto done; | |
695 | } | |
5e6e3a92 | 696 | |
4ed5d521 | 697 | band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
7c6fa2a8 | 698 | chan = __ieee80211_get_channel(priv->wdev->wiphy, |
4ed5d521 | 699 | ieee80211_channel_to_frequency(channel, band)); |
7c6fa2a8 AK |
700 | |
701 | /* Find the BSS we want using available scan results */ | |
702 | bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid, | |
703 | bss_info.ssid.ssid, bss_info.ssid.ssid_len, | |
704 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
705 | if (!bss) | |
706 | wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n", | |
707 | bss_info.bssid); | |
708 | ||
709 | ret = mwifiex_bss_start(priv, bss, &bss_info.ssid); | |
5e6e3a92 | 710 | done: |
5e6e3a92 BZ |
711 | return ret; |
712 | } | |
713 | ||
5e6e3a92 BZ |
714 | /* |
715 | * IOCTL request handler to get rate. | |
716 | * | |
717 | * This function prepares the correct firmware command and | |
718 | * issues it to get the current rate if it is connected, | |
719 | * otherwise, the function returns the lowest supported rate | |
720 | * for the band. | |
721 | */ | |
722 | static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
723 | struct mwifiex_rate_cfg *rate_cfg) |
724 | { | |
5e6e3a92 | 725 | rate_cfg->is_rate_auto = priv->is_data_rate_auto; |
cbaaf592 AK |
726 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, |
727 | HostCmd_ACT_GEN_GET, 0, NULL); | |
5e6e3a92 BZ |
728 | } |
729 | ||
730 | /* | |
731 | * IOCTL request handler to set rate. | |
732 | * | |
733 | * This function prepares the correct firmware command and | |
734 | * issues it to set the current rate. | |
735 | * | |
736 | * The function also performs validation checking on the supplied value. | |
737 | */ | |
738 | static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
739 | struct mwifiex_rate_cfg *rate_cfg) |
740 | { | |
741 | u8 rates[MWIFIEX_SUPPORTED_RATES]; | |
270e58e8 YAP |
742 | u8 *rate; |
743 | int rate_index, ret; | |
5e6e3a92 | 744 | u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
270e58e8 | 745 | u32 i; |
5e6e3a92 BZ |
746 | struct mwifiex_adapter *adapter = priv->adapter; |
747 | ||
748 | if (rate_cfg->is_rate_auto) { | |
749 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
750 | /* Support all HR/DSSS rates */ | |
751 | bitmap_rates[0] = 0x000F; | |
752 | /* Support all OFDM rates */ | |
753 | bitmap_rates[1] = 0x00FF; | |
754 | /* Support all HT-MCSs rate */ | |
755 | for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++) | |
756 | bitmap_rates[i + 2] = 0xFFFF; | |
757 | bitmap_rates[9] = 0x3FFF; | |
758 | } else { | |
759 | memset(rates, 0, sizeof(rates)); | |
760 | mwifiex_get_active_data_rates(priv, rates); | |
761 | rate = rates; | |
762 | for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) { | |
763 | dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n", | |
764 | rate[i], rate_cfg->rate); | |
765 | if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f)) | |
766 | break; | |
767 | } | |
3d82de0f | 768 | if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) { |
5e6e3a92 BZ |
769 | dev_err(adapter->dev, "fixed data rate %#x is out " |
770 | "of range\n", rate_cfg->rate); | |
771 | return -1; | |
772 | } | |
773 | memset(bitmap_rates, 0, sizeof(bitmap_rates)); | |
774 | ||
572e8f3e | 775 | rate_index = mwifiex_data_rate_to_index(rate_cfg->rate); |
5e6e3a92 BZ |
776 | |
777 | /* Only allow b/g rates to be set */ | |
778 | if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 && | |
779 | rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) { | |
780 | bitmap_rates[0] = 1 << rate_index; | |
781 | } else { | |
782 | rate_index -= 1; /* There is a 0x00 in the table */ | |
783 | if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 && | |
784 | rate_index <= MWIFIEX_RATE_INDEX_OFDM7) | |
785 | bitmap_rates[1] = 1 << (rate_index - | |
786 | MWIFIEX_RATE_INDEX_OFDM0); | |
787 | } | |
788 | } | |
789 | ||
600f5d90 AK |
790 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, |
791 | HostCmd_ACT_GEN_SET, 0, bitmap_rates); | |
5e6e3a92 BZ |
792 | |
793 | return ret; | |
794 | } | |
795 | ||
796 | /* | |
797 | * IOCTL request handler to set/get rate. | |
798 | * | |
799 | * This function can be used to set/get either the rate value or the | |
800 | * rate index. | |
801 | */ | |
802 | static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
803 | struct mwifiex_rate_cfg *rate_cfg) |
804 | { | |
270e58e8 | 805 | int status; |
5e6e3a92 BZ |
806 | |
807 | if (!rate_cfg) | |
808 | return -1; | |
809 | ||
810 | if (rate_cfg->action == HostCmd_ACT_GEN_GET) | |
600f5d90 | 811 | status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg); |
5e6e3a92 | 812 | else |
600f5d90 | 813 | status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg); |
5e6e3a92 BZ |
814 | |
815 | return status; | |
816 | } | |
817 | ||
818 | /* | |
819 | * Sends IOCTL request to get the data rate. | |
820 | * | |
821 | * This function allocates the IOCTL request buffer, fills it | |
822 | * with requisite parameters and calls the IOCTL handler. | |
823 | */ | |
824 | int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, | |
825 | struct mwifiex_rate_cfg *rate) | |
826 | { | |
270e58e8 | 827 | int ret; |
5e6e3a92 BZ |
828 | |
829 | memset(rate, 0, sizeof(struct mwifiex_rate_cfg)); | |
830 | rate->action = HostCmd_ACT_GEN_GET; | |
600f5d90 | 831 | ret = mwifiex_rate_ioctl_cfg(priv, rate); |
5e6e3a92 | 832 | |
5e6e3a92 | 833 | if (!ret) { |
49753128 | 834 | if (rate->is_rate_auto) |
572e8f3e AK |
835 | rate->rate = mwifiex_index_to_data_rate(priv->tx_rate, |
836 | priv->tx_htinfo); | |
49753128 | 837 | else |
5e6e3a92 BZ |
838 | rate->rate = priv->data_rate; |
839 | } else { | |
840 | ret = -1; | |
841 | } | |
842 | ||
5e6e3a92 BZ |
843 | return ret; |
844 | } | |
845 | ||
846 | /* | |
847 | * IOCTL request handler to set tx power configuration. | |
848 | * | |
849 | * This function prepares the correct firmware command and | |
850 | * issues it. | |
851 | * | |
852 | * For non-auto power mode, all the following power groups are set - | |
853 | * - Modulation class HR/DSSS | |
854 | * - Modulation class OFDM | |
855 | * - Modulation class HTBW20 | |
856 | * - Modulation class HTBW40 | |
857 | */ | |
600f5d90 AK |
858 | int mwifiex_set_tx_power(struct mwifiex_private *priv, |
859 | struct mwifiex_power_cfg *power_cfg) | |
5e6e3a92 | 860 | { |
270e58e8 YAP |
861 | int ret; |
862 | struct host_cmd_ds_txpwr_cfg *txp_cfg; | |
863 | struct mwifiex_types_power_group *pg_tlv; | |
864 | struct mwifiex_power_group *pg; | |
865 | u8 *buf; | |
5e6e3a92 BZ |
866 | u16 dbm = 0; |
867 | ||
868 | if (!power_cfg->is_power_auto) { | |
869 | dbm = (u16) power_cfg->power_level; | |
870 | if ((dbm < priv->min_tx_power_level) || | |
871 | (dbm > priv->max_tx_power_level)) { | |
872 | dev_err(priv->adapter->dev, "txpower value %d dBm" | |
873 | " is out of range (%d dBm-%d dBm)\n", | |
874 | dbm, priv->min_tx_power_level, | |
875 | priv->max_tx_power_level); | |
876 | return -1; | |
877 | } | |
878 | } | |
879 | buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL); | |
880 | if (!buf) { | |
881 | dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n", | |
882 | __func__); | |
b53575ec | 883 | return -ENOMEM; |
5e6e3a92 BZ |
884 | } |
885 | ||
886 | txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf; | |
887 | txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET); | |
888 | if (!power_cfg->is_power_auto) { | |
889 | txp_cfg->mode = cpu_to_le32(1); | |
890 | pg_tlv = (struct mwifiex_types_power_group *) (buf + | |
891 | sizeof(struct host_cmd_ds_txpwr_cfg)); | |
892 | pg_tlv->type = TLV_TYPE_POWER_GROUP; | |
893 | pg_tlv->length = 4 * sizeof(struct mwifiex_power_group); | |
894 | pg = (struct mwifiex_power_group *) (buf + | |
895 | sizeof(struct host_cmd_ds_txpwr_cfg) + | |
896 | sizeof(struct mwifiex_types_power_group)); | |
897 | /* Power group for modulation class HR/DSSS */ | |
898 | pg->first_rate_code = 0x00; | |
899 | pg->last_rate_code = 0x03; | |
900 | pg->modulation_class = MOD_CLASS_HR_DSSS; | |
901 | pg->power_step = 0; | |
902 | pg->power_min = (s8) dbm; | |
903 | pg->power_max = (s8) dbm; | |
904 | pg++; | |
905 | /* Power group for modulation class OFDM */ | |
906 | pg->first_rate_code = 0x00; | |
907 | pg->last_rate_code = 0x07; | |
908 | pg->modulation_class = MOD_CLASS_OFDM; | |
909 | pg->power_step = 0; | |
910 | pg->power_min = (s8) dbm; | |
911 | pg->power_max = (s8) dbm; | |
912 | pg++; | |
913 | /* Power group for modulation class HTBW20 */ | |
914 | pg->first_rate_code = 0x00; | |
915 | pg->last_rate_code = 0x20; | |
916 | pg->modulation_class = MOD_CLASS_HT; | |
917 | pg->power_step = 0; | |
918 | pg->power_min = (s8) dbm; | |
919 | pg->power_max = (s8) dbm; | |
920 | pg->ht_bandwidth = HT_BW_20; | |
921 | pg++; | |
922 | /* Power group for modulation class HTBW40 */ | |
923 | pg->first_rate_code = 0x00; | |
924 | pg->last_rate_code = 0x20; | |
925 | pg->modulation_class = MOD_CLASS_HT; | |
926 | pg->power_step = 0; | |
927 | pg->power_min = (s8) dbm; | |
928 | pg->power_max = (s8) dbm; | |
929 | pg->ht_bandwidth = HT_BW_40; | |
930 | } | |
600f5d90 AK |
931 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG, |
932 | HostCmd_ACT_GEN_SET, 0, buf); | |
5e6e3a92 | 933 | |
600f5d90 | 934 | kfree(buf); |
5e6e3a92 BZ |
935 | return ret; |
936 | } | |
937 | ||
938 | /* | |
939 | * IOCTL request handler to get power save mode. | |
940 | * | |
941 | * This function prepares the correct firmware command and | |
942 | * issues it. | |
943 | */ | |
600f5d90 | 944 | int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode) |
5e6e3a92 | 945 | { |
270e58e8 | 946 | int ret; |
5e6e3a92 BZ |
947 | struct mwifiex_adapter *adapter = priv->adapter; |
948 | u16 sub_cmd; | |
949 | ||
600f5d90 AK |
950 | if (*ps_mode) |
951 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; | |
952 | else | |
953 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
954 | sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; | |
955 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, | |
956 | sub_cmd, BITMAP_STA_PS, NULL); | |
957 | if ((!ret) && (sub_cmd == DIS_AUTO_PS)) | |
958 | ret = mwifiex_send_cmd_async(priv, | |
959 | HostCmd_CMD_802_11_PS_MODE_ENH, GET_PS, | |
960 | 0, NULL); | |
5e6e3a92 BZ |
961 | |
962 | return ret; | |
963 | } | |
964 | ||
965 | /* | |
966 | * IOCTL request handler to set/reset WPA IE. | |
967 | * | |
968 | * The supplied WPA IE is treated as a opaque buffer. Only the first field | |
969 | * is checked to determine WPA version. If buffer length is zero, the existing | |
970 | * WPA IE is reset. | |
971 | */ | |
972 | static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv, | |
973 | u8 *ie_data_ptr, u16 ie_len) | |
974 | { | |
975 | if (ie_len) { | |
976 | if (ie_len > sizeof(priv->wpa_ie)) { | |
977 | dev_err(priv->adapter->dev, | |
978 | "failed to copy WPA IE, too big\n"); | |
979 | return -1; | |
980 | } | |
981 | memcpy(priv->wpa_ie, ie_data_ptr, ie_len); | |
982 | priv->wpa_ie_len = (u8) ie_len; | |
983 | dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n", | |
984 | priv->wpa_ie_len, priv->wpa_ie[0]); | |
985 | ||
986 | if (priv->wpa_ie[0] == WLAN_EID_WPA) { | |
987 | priv->sec_info.wpa_enabled = true; | |
988 | } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { | |
989 | priv->sec_info.wpa2_enabled = true; | |
990 | } else { | |
991 | priv->sec_info.wpa_enabled = false; | |
992 | priv->sec_info.wpa2_enabled = false; | |
993 | } | |
994 | } else { | |
995 | memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); | |
996 | priv->wpa_ie_len = 0; | |
997 | dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n", | |
998 | priv->wpa_ie_len, priv->wpa_ie[0]); | |
999 | priv->sec_info.wpa_enabled = false; | |
1000 | priv->sec_info.wpa2_enabled = false; | |
1001 | } | |
1002 | ||
1003 | return 0; | |
1004 | } | |
1005 | ||
1006 | /* | |
1007 | * IOCTL request handler to set/reset WAPI IE. | |
1008 | * | |
1009 | * The supplied WAPI IE is treated as a opaque buffer. Only the first field | |
1010 | * is checked to internally enable WAPI. If buffer length is zero, the existing | |
1011 | * WAPI IE is reset. | |
1012 | */ | |
1013 | static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, | |
1014 | u8 *ie_data_ptr, u16 ie_len) | |
1015 | { | |
1016 | if (ie_len) { | |
1017 | if (ie_len > sizeof(priv->wapi_ie)) { | |
1018 | dev_dbg(priv->adapter->dev, | |
1019 | "info: failed to copy WAPI IE, too big\n"); | |
1020 | return -1; | |
1021 | } | |
1022 | memcpy(priv->wapi_ie, ie_data_ptr, ie_len); | |
1023 | priv->wapi_ie_len = ie_len; | |
1024 | dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n", | |
1025 | priv->wapi_ie_len, priv->wapi_ie[0]); | |
1026 | ||
1027 | if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY) | |
1028 | priv->sec_info.wapi_enabled = true; | |
1029 | } else { | |
1030 | memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie)); | |
1031 | priv->wapi_ie_len = ie_len; | |
1032 | dev_dbg(priv->adapter->dev, | |
1033 | "info: Reset wapi_ie_len=%d IE=%#x\n", | |
1034 | priv->wapi_ie_len, priv->wapi_ie[0]); | |
1035 | priv->sec_info.wapi_enabled = false; | |
1036 | } | |
1037 | return 0; | |
1038 | } | |
1039 | ||
1040 | /* | |
1041 | * IOCTL request handler to set WAPI key. | |
1042 | * | |
1043 | * This function prepares the correct firmware command and | |
1044 | * issues it. | |
1045 | */ | |
600f5d90 | 1046 | static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1047 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1048 | { | |
5e6e3a92 | 1049 | |
636c4598 | 1050 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL, |
600f5d90 AK |
1051 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, |
1052 | encrypt_key); | |
5e6e3a92 BZ |
1053 | } |
1054 | ||
5e6e3a92 BZ |
1055 | /* |
1056 | * IOCTL request handler to set WEP network key. | |
1057 | * | |
1058 | * This function prepares the correct firmware command and | |
1059 | * issues it, after validation checks. | |
1060 | */ | |
600f5d90 | 1061 | static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1062 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1063 | { | |
270e58e8 YAP |
1064 | int ret; |
1065 | struct mwifiex_wep_key *wep_key; | |
5e6e3a92 BZ |
1066 | int index; |
1067 | ||
1068 | if (priv->wep_key_curr_index >= NUM_WEP_KEYS) | |
1069 | priv->wep_key_curr_index = 0; | |
1070 | wep_key = &priv->wep_key[priv->wep_key_curr_index]; | |
1071 | index = encrypt_key->key_index; | |
1072 | if (encrypt_key->key_disable) { | |
1073 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_DISABLED; | |
1074 | } else if (!encrypt_key->key_len) { | |
1075 | /* Copy the required key as the current key */ | |
1076 | wep_key = &priv->wep_key[index]; | |
1077 | if (!wep_key->key_length) { | |
600f5d90 | 1078 | dev_err(priv->adapter->dev, |
5e6e3a92 BZ |
1079 | "key not set, so cannot enable it\n"); |
1080 | return -1; | |
1081 | } | |
1082 | priv->wep_key_curr_index = (u16) index; | |
1083 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED; | |
1084 | } else { | |
1085 | wep_key = &priv->wep_key[index]; | |
5e6e3a92 BZ |
1086 | memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
1087 | /* Copy the key in the driver */ | |
1088 | memcpy(wep_key->key_material, | |
1089 | encrypt_key->key_material, | |
1090 | encrypt_key->key_len); | |
1091 | wep_key->key_index = index; | |
1092 | wep_key->key_length = encrypt_key->key_len; | |
1093 | priv->sec_info.wep_status = MWIFIEX_802_11_WEP_ENABLED; | |
1094 | } | |
1095 | if (wep_key->key_length) { | |
1096 | /* Send request to firmware */ | |
600f5d90 AK |
1097 | ret = mwifiex_send_cmd_async(priv, |
1098 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1099 | HostCmd_ACT_GEN_SET, 0, NULL); | |
5e6e3a92 BZ |
1100 | if (ret) |
1101 | return ret; | |
1102 | } | |
1103 | if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED) | |
1104 | priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; | |
1105 | else | |
1106 | priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; | |
1107 | ||
600f5d90 AK |
1108 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, |
1109 | HostCmd_ACT_GEN_SET, 0, | |
1110 | &priv->curr_pkt_filter); | |
5e6e3a92 BZ |
1111 | |
1112 | return ret; | |
1113 | } | |
1114 | ||
1115 | /* | |
1116 | * IOCTL request handler to set WPA key. | |
1117 | * | |
1118 | * This function prepares the correct firmware command and | |
1119 | * issues it, after validation checks. | |
1120 | * | |
1121 | * Current driver only supports key length of up to 32 bytes. | |
1122 | * | |
1123 | * This function can also be used to disable a currently set key. | |
1124 | */ | |
600f5d90 | 1125 | static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1126 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1127 | { | |
270e58e8 | 1128 | int ret; |
5e6e3a92 BZ |
1129 | u8 remove_key = false; |
1130 | struct host_cmd_ds_802_11_key_material *ibss_key; | |
1131 | ||
1132 | /* Current driver only supports key length of up to 32 bytes */ | |
a3731658 | 1133 | if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) { |
600f5d90 | 1134 | dev_err(priv->adapter->dev, "key length too long\n"); |
5e6e3a92 BZ |
1135 | return -1; |
1136 | } | |
1137 | ||
eecd8250 | 1138 | if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
5e6e3a92 BZ |
1139 | /* |
1140 | * IBSS/WPA-None uses only one key (Group) for both receiving | |
1141 | * and sending unicast and multicast packets. | |
1142 | */ | |
1143 | /* Send the key as PTK to firmware */ | |
1144 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
600f5d90 AK |
1145 | ret = mwifiex_send_cmd_async(priv, |
1146 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1147 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, | |
1148 | encrypt_key); | |
5e6e3a92 BZ |
1149 | if (ret) |
1150 | return ret; | |
1151 | ||
1152 | ibss_key = &priv->aes_key; | |
1153 | memset(ibss_key, 0, | |
1154 | sizeof(struct host_cmd_ds_802_11_key_material)); | |
1155 | /* Copy the key in the driver */ | |
1156 | memcpy(ibss_key->key_param_set.key, encrypt_key->key_material, | |
1157 | encrypt_key->key_len); | |
1158 | memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len, | |
1159 | sizeof(ibss_key->key_param_set.key_len)); | |
1160 | ibss_key->key_param_set.key_type_id | |
1161 | = cpu_to_le16(KEY_TYPE_ID_TKIP); | |
6a35a0ac | 1162 | ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); |
5e6e3a92 BZ |
1163 | |
1164 | /* Send the key as GTK to firmware */ | |
1165 | encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST; | |
1166 | } | |
1167 | ||
1168 | if (!encrypt_key->key_index) | |
1169 | encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; | |
1170 | ||
1171 | if (remove_key) | |
600f5d90 AK |
1172 | ret = mwifiex_send_cmd_sync(priv, |
1173 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1174 | HostCmd_ACT_GEN_SET, !(KEY_INFO_ENABLED), | |
1175 | encrypt_key); | |
5e6e3a92 | 1176 | else |
600f5d90 AK |
1177 | ret = mwifiex_send_cmd_sync(priv, |
1178 | HostCmd_CMD_802_11_KEY_MATERIAL, | |
1179 | HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, | |
1180 | encrypt_key); | |
5e6e3a92 BZ |
1181 | |
1182 | return ret; | |
1183 | } | |
1184 | ||
1185 | /* | |
1186 | * IOCTL request handler to set/get network keys. | |
1187 | * | |
1188 | * This is a generic key handling function which supports WEP, WPA | |
1189 | * and WAPI. | |
1190 | */ | |
1191 | static int | |
1192 | mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1193 | struct mwifiex_ds_encrypt_key *encrypt_key) |
1194 | { | |
270e58e8 | 1195 | int status; |
5e6e3a92 BZ |
1196 | |
1197 | if (encrypt_key->is_wapi_key) | |
600f5d90 | 1198 | status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key); |
5e6e3a92 | 1199 | else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) |
600f5d90 | 1200 | status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key); |
5e6e3a92 | 1201 | else |
600f5d90 | 1202 | status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key); |
5e6e3a92 BZ |
1203 | return status; |
1204 | } | |
1205 | ||
1206 | /* | |
1207 | * This function returns the driver version. | |
1208 | */ | |
1209 | int | |
1210 | mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, | |
1211 | int max_len) | |
1212 | { | |
1213 | union { | |
1214 | u32 l; | |
1215 | u8 c[4]; | |
1216 | } ver; | |
1217 | char fw_ver[32]; | |
1218 | ||
1219 | ver.l = adapter->fw_release_number; | |
1220 | sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); | |
1221 | ||
1222 | snprintf(version, max_len, driver_version, fw_ver); | |
1223 | ||
1224 | dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version); | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
5e6e3a92 BZ |
1229 | /* |
1230 | * Sends IOCTL request to get signal information. | |
1231 | * | |
1232 | * This function allocates the IOCTL request buffer, fills it | |
1233 | * with requisite parameters and calls the IOCTL handler. | |
1234 | */ | |
600f5d90 | 1235 | int mwifiex_get_signal_info(struct mwifiex_private *priv, |
5e6e3a92 BZ |
1236 | struct mwifiex_ds_get_signal *signal) |
1237 | { | |
270e58e8 | 1238 | int status; |
5e6e3a92 | 1239 | |
c4859fbc | 1240 | signal->selector = ALL_RSSI_INFO_MASK; |
5e6e3a92 | 1241 | |
600f5d90 AK |
1242 | /* Signal info can be obtained only if connected */ |
1243 | if (!priv->media_connected) { | |
1244 | dev_dbg(priv->adapter->dev, | |
1245 | "info: Can not get signal in disconnected state\n"); | |
1246 | return -1; | |
1247 | } | |
1248 | ||
600f5d90 AK |
1249 | status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
1250 | HostCmd_ACT_GEN_GET, 0, signal); | |
5e6e3a92 | 1251 | |
5e6e3a92 | 1252 | if (!status) { |
c4859fbc | 1253 | if (signal->selector & BCN_RSSI_AVG_MASK) |
67a50035 | 1254 | priv->qual_level = signal->bcn_rssi_avg; |
c4859fbc | 1255 | if (signal->selector & BCN_NF_AVG_MASK) |
67a50035 | 1256 | priv->qual_noise = signal->bcn_nf_avg; |
5e6e3a92 BZ |
1257 | } |
1258 | ||
5e6e3a92 BZ |
1259 | return status; |
1260 | } | |
1261 | ||
5e6e3a92 BZ |
1262 | /* |
1263 | * Sends IOCTL request to set encoding parameters. | |
1264 | * | |
1265 | * This function allocates the IOCTL request buffer, fills it | |
1266 | * with requisite parameters and calls the IOCTL handler. | |
1267 | */ | |
1268 | int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key, | |
1269 | int key_len, u8 key_index, int disable) | |
1270 | { | |
5e6e3a92 | 1271 | struct mwifiex_ds_encrypt_key encrypt_key; |
5e6e3a92 | 1272 | |
5e6e3a92 BZ |
1273 | memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); |
1274 | encrypt_key.key_len = key_len; | |
1275 | if (!disable) { | |
1276 | encrypt_key.key_index = key_index; | |
1277 | if (key_len) | |
1278 | memcpy(encrypt_key.key_material, key, key_len); | |
1279 | } else { | |
1280 | encrypt_key.key_disable = true; | |
1281 | } | |
1282 | ||
636c4598 | 1283 | return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key); |
5e6e3a92 BZ |
1284 | } |
1285 | ||
1286 | /* | |
1287 | * Sends IOCTL request to get extended version. | |
1288 | * | |
1289 | * This function allocates the IOCTL request buffer, fills it | |
1290 | * with requisite parameters and calls the IOCTL handler. | |
1291 | */ | |
1292 | int | |
1293 | mwifiex_get_ver_ext(struct mwifiex_private *priv) | |
1294 | { | |
1295 | struct mwifiex_ver_ext ver_ext; | |
5e6e3a92 | 1296 | |
5e6e3a92 | 1297 | memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext)); |
636c4598 YAP |
1298 | if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT, |
1299 | HostCmd_ACT_GEN_GET, 0, &ver_ext)) | |
1300 | return -1; | |
5e6e3a92 | 1301 | |
636c4598 | 1302 | return 0; |
5e6e3a92 BZ |
1303 | } |
1304 | ||
1305 | /* | |
1306 | * Sends IOCTL request to get statistics information. | |
1307 | * | |
1308 | * This function allocates the IOCTL request buffer, fills it | |
1309 | * with requisite parameters and calls the IOCTL handler. | |
1310 | */ | |
1311 | int | |
1312 | mwifiex_get_stats_info(struct mwifiex_private *priv, | |
1313 | struct mwifiex_ds_get_stats *log) | |
1314 | { | |
67a50035 | 1315 | return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG, |
c4859fbc | 1316 | HostCmd_ACT_GEN_GET, 0, log); |
5e6e3a92 BZ |
1317 | } |
1318 | ||
1319 | /* | |
1320 | * IOCTL request handler to read/write register. | |
1321 | * | |
1322 | * This function prepares the correct firmware command and | |
1323 | * issues it. | |
1324 | * | |
1325 | * Access to the following registers are supported - | |
1326 | * - MAC | |
1327 | * - BBP | |
1328 | * - RF | |
1329 | * - PMIC | |
1330 | * - CAU | |
1331 | */ | |
1332 | static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv, | |
5e6e3a92 BZ |
1333 | struct mwifiex_ds_reg_rw *reg_rw, |
1334 | u16 action) | |
1335 | { | |
5e6e3a92 BZ |
1336 | u16 cmd_no; |
1337 | ||
1338 | switch (le32_to_cpu(reg_rw->type)) { | |
1339 | case MWIFIEX_REG_MAC: | |
1340 | cmd_no = HostCmd_CMD_MAC_REG_ACCESS; | |
1341 | break; | |
1342 | case MWIFIEX_REG_BBP: | |
1343 | cmd_no = HostCmd_CMD_BBP_REG_ACCESS; | |
1344 | break; | |
1345 | case MWIFIEX_REG_RF: | |
1346 | cmd_no = HostCmd_CMD_RF_REG_ACCESS; | |
1347 | break; | |
1348 | case MWIFIEX_REG_PMIC: | |
1349 | cmd_no = HostCmd_CMD_PMIC_REG_ACCESS; | |
1350 | break; | |
1351 | case MWIFIEX_REG_CAU: | |
1352 | cmd_no = HostCmd_CMD_CAU_REG_ACCESS; | |
1353 | break; | |
1354 | default: | |
1355 | return -1; | |
1356 | } | |
1357 | ||
636c4598 | 1358 | return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw); |
5e6e3a92 | 1359 | |
5e6e3a92 BZ |
1360 | } |
1361 | ||
1362 | /* | |
1363 | * Sends IOCTL request to write to a register. | |
1364 | * | |
1365 | * This function allocates the IOCTL request buffer, fills it | |
1366 | * with requisite parameters and calls the IOCTL handler. | |
1367 | */ | |
1368 | int | |
1369 | mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type, | |
1370 | u32 reg_offset, u32 reg_value) | |
1371 | { | |
5e6e3a92 BZ |
1372 | struct mwifiex_ds_reg_rw reg_rw; |
1373 | ||
5e6e3a92 BZ |
1374 | reg_rw.type = cpu_to_le32(reg_type); |
1375 | reg_rw.offset = cpu_to_le32(reg_offset); | |
1376 | reg_rw.value = cpu_to_le32(reg_value); | |
5e6e3a92 | 1377 | |
636c4598 | 1378 | return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET); |
5e6e3a92 BZ |
1379 | } |
1380 | ||
1381 | /* | |
1382 | * Sends IOCTL request to read from a register. | |
1383 | * | |
1384 | * This function allocates the IOCTL request buffer, fills it | |
1385 | * with requisite parameters and calls the IOCTL handler. | |
1386 | */ | |
1387 | int | |
1388 | mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type, | |
1389 | u32 reg_offset, u32 *value) | |
1390 | { | |
270e58e8 | 1391 | int ret; |
5e6e3a92 BZ |
1392 | struct mwifiex_ds_reg_rw reg_rw; |
1393 | ||
5e6e3a92 BZ |
1394 | reg_rw.type = cpu_to_le32(reg_type); |
1395 | reg_rw.offset = cpu_to_le32(reg_offset); | |
600f5d90 | 1396 | ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); |
5e6e3a92 | 1397 | |
5e6e3a92 BZ |
1398 | if (ret) |
1399 | goto done; | |
1400 | ||
1401 | *value = le32_to_cpu(reg_rw.value); | |
1402 | ||
1403 | done: | |
5e6e3a92 BZ |
1404 | return ret; |
1405 | } | |
1406 | ||
1407 | /* | |
1408 | * Sends IOCTL request to read from EEPROM. | |
1409 | * | |
1410 | * This function allocates the IOCTL request buffer, fills it | |
1411 | * with requisite parameters and calls the IOCTL handler. | |
1412 | */ | |
1413 | int | |
1414 | mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes, | |
1415 | u8 *value) | |
1416 | { | |
270e58e8 | 1417 | int ret; |
5e6e3a92 BZ |
1418 | struct mwifiex_ds_read_eeprom rd_eeprom; |
1419 | ||
5e6e3a92 BZ |
1420 | rd_eeprom.offset = cpu_to_le16((u16) offset); |
1421 | rd_eeprom.byte_count = cpu_to_le16((u16) bytes); | |
5e6e3a92 | 1422 | |
600f5d90 AK |
1423 | /* Send request to firmware */ |
1424 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, | |
1425 | HostCmd_ACT_GEN_GET, 0, &rd_eeprom); | |
5e6e3a92 | 1426 | |
600f5d90 AK |
1427 | if (!ret) |
1428 | memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA); | |
5e6e3a92 BZ |
1429 | return ret; |
1430 | } | |
1431 | ||
1432 | /* | |
1433 | * This function sets a generic IE. In addition to generic IE, it can | |
1434 | * also handle WPA, WPA2 and WAPI IEs. | |
1435 | */ | |
1436 | static int | |
1437 | mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, | |
1438 | u16 ie_len) | |
1439 | { | |
1440 | int ret = 0; | |
1441 | struct ieee_types_vendor_header *pvendor_ie; | |
1442 | const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; | |
1443 | const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; | |
1444 | ||
1445 | /* If the passed length is zero, reset the buffer */ | |
1446 | if (!ie_len) { | |
1447 | priv->gen_ie_buf_len = 0; | |
1448 | priv->wps.session_enable = false; | |
1449 | ||
1450 | return 0; | |
1451 | } else if (!ie_data_ptr) { | |
1452 | return -1; | |
1453 | } | |
1454 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
1455 | /* Test to see if it is a WPA IE, if not, then it is a gen IE */ | |
1456 | if (((pvendor_ie->element_id == WLAN_EID_WPA) | |
1457 | && (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) | |
1458 | || (pvendor_ie->element_id == WLAN_EID_RSN)) { | |
1459 | ||
1460 | /* IE is a WPA/WPA2 IE so call set_wpa function */ | |
1461 | ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len); | |
1462 | priv->wps.session_enable = false; | |
1463 | ||
1464 | return ret; | |
1465 | } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { | |
1466 | /* IE is a WAPI IE so call set_wapi function */ | |
1467 | ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len); | |
1468 | ||
1469 | return ret; | |
1470 | } | |
1471 | /* | |
1472 | * Verify that the passed length is not larger than the | |
1473 | * available space remaining in the buffer | |
1474 | */ | |
1475 | if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { | |
1476 | ||
1477 | /* Test to see if it is a WPS IE, if so, enable | |
1478 | * wps session flag | |
1479 | */ | |
1480 | pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; | |
1481 | if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) | |
1482 | && (!memcmp(pvendor_ie->oui, wps_oui, | |
1483 | sizeof(wps_oui)))) { | |
1484 | priv->wps.session_enable = true; | |
1485 | dev_dbg(priv->adapter->dev, | |
1486 | "info: WPS Session Enabled.\n"); | |
1487 | } | |
1488 | ||
1489 | /* Append the passed data to the end of the | |
1490 | genIeBuffer */ | |
1491 | memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr, | |
1492 | ie_len); | |
1493 | /* Increment the stored buffer length by the | |
1494 | size passed */ | |
1495 | priv->gen_ie_buf_len += ie_len; | |
1496 | } else { | |
1497 | /* Passed data does not fit in the remaining | |
1498 | buffer space */ | |
1499 | ret = -1; | |
1500 | } | |
1501 | ||
1502 | /* Return 0, or -1 for error case */ | |
1503 | return ret; | |
1504 | } | |
1505 | ||
1506 | /* | |
1507 | * IOCTL request handler to set/get generic IE. | |
1508 | * | |
1509 | * In addition to various generic IEs, this function can also be | |
1510 | * used to set the ARP filter. | |
1511 | */ | |
1512 | static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv, | |
1513 | struct mwifiex_ds_misc_gen_ie *gen_ie, | |
1514 | u16 action) | |
1515 | { | |
1516 | struct mwifiex_adapter *adapter = priv->adapter; | |
1517 | ||
1518 | switch (gen_ie->type) { | |
1519 | case MWIFIEX_IE_TYPE_GEN_IE: | |
1520 | if (action == HostCmd_ACT_GEN_GET) { | |
1521 | gen_ie->len = priv->wpa_ie_len; | |
1522 | memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); | |
1523 | } else { | |
1524 | mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data, | |
1525 | (u16) gen_ie->len); | |
1526 | } | |
1527 | break; | |
1528 | case MWIFIEX_IE_TYPE_ARP_FILTER: | |
1529 | memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); | |
1530 | if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { | |
1531 | adapter->arp_filter_size = 0; | |
1532 | dev_err(adapter->dev, "invalid ARP filter size\n"); | |
1533 | return -1; | |
1534 | } else { | |
1535 | memcpy(adapter->arp_filter, gen_ie->ie_data, | |
1536 | gen_ie->len); | |
1537 | adapter->arp_filter_size = gen_ie->len; | |
1538 | } | |
1539 | break; | |
1540 | default: | |
1541 | dev_err(adapter->dev, "invalid IE type\n"); | |
1542 | return -1; | |
1543 | } | |
1544 | return 0; | |
1545 | } | |
1546 | ||
1547 | /* | |
1548 | * Sends IOCTL request to set a generic IE. | |
1549 | * | |
1550 | * This function allocates the IOCTL request buffer, fills it | |
1551 | * with requisite parameters and calls the IOCTL handler. | |
1552 | */ | |
1553 | int | |
1554 | mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len) | |
1555 | { | |
1556 | struct mwifiex_ds_misc_gen_ie gen_ie; | |
5e6e3a92 | 1557 | |
67a50035 | 1558 | if (ie_len > IEEE_MAX_IE_SIZE) |
5e6e3a92 BZ |
1559 | return -EFAULT; |
1560 | ||
1561 | gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE; | |
1562 | gen_ie.len = ie_len; | |
1563 | memcpy(gen_ie.ie_data, ie, ie_len); | |
636c4598 | 1564 | if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET)) |
5e6e3a92 BZ |
1565 | return -EFAULT; |
1566 | ||
1567 | return 0; | |
1568 | } |