1 /* Copyright (c) 2014, The Linux Foundation. All rights reserved.
2  *
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions
5  * are met:
6  *  * Redistributions of source code must retain the above copyright
7  *    notice, this list of conditions and the following disclaimer.
8  *  * Redistributions in binary form must reproduce the above copyright
9  *    notice, this list of conditions and the following disclaimer in
10  *    the documentation and/or other materials provided with the
11  *    distribution.
12  *  * Neither the name of The Linux Foundation nor the names of its
13  *    contributors may be used to endorse or promote products derived
14  *    from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "sync.h"
30 
31 #define LOG_TAG  "WifiHAL"
32 
33 #include <utils/Log.h>
34 
35 #include "wifi_hal.h"
36 #include "common.h"
37 #include "cpp_bindings.h"
38 #include "tdlsCommand.h"
39 #include "vendor_definitions.h"
40 
41 /* Singleton Static Instance */
42 TdlsCommand* TdlsCommand::mTdlsCommandInstance  = NULL;
TdlsCommand(wifi_handle handle,int id,u32 vendor_id,u32 subcmd)43 TdlsCommand::TdlsCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd)
44         : WifiVendorCommand(handle, id, vendor_id, subcmd)
45 {
46     memset(&mHandler, 0, sizeof(mHandler));
47     memset(&mTDLSgetStatusRspParams, 0, sizeof(wifi_tdls_status));
48     mRequestId = 0;
49 }
50 
~TdlsCommand()51 TdlsCommand::~TdlsCommand()
52 {
53     mTdlsCommandInstance = NULL;
54     unregisterVendorHandler(mVendor_id, mSubcmd);
55 }
56 
instance(wifi_handle handle)57 TdlsCommand* TdlsCommand::instance(wifi_handle handle)
58 {
59     if (handle == NULL) {
60         ALOGE("Interface Handle is invalid");
61         return NULL;
62     }
63     if (mTdlsCommandInstance == NULL) {
64         mTdlsCommandInstance = new TdlsCommand(handle, 0,
65                 OUI_QCA,
66                 QCA_NL80211_VENDOR_SUBCMD_TDLS_ENABLE);
67         ALOGV("TdlsCommand %p created", mTdlsCommandInstance);
68         return mTdlsCommandInstance;
69     }
70     else
71     {
72         if (handle != getWifiHandle(mTdlsCommandInstance->mInfo))
73         {
74             /* upper layer must have cleaned up the handle and reinitialized,
75                so we need to update the same */
76             ALOGV("Handle different, update the handle");
77             mTdlsCommandInstance->mInfo = (hal_info *)handle;
78         }
79     }
80     ALOGV("TdlsCommand %p created already", mTdlsCommandInstance);
81     return mTdlsCommandInstance;
82 }
83 
setSubCmd(u32 subcmd)84 void TdlsCommand::setSubCmd(u32 subcmd)
85 {
86     mSubcmd = subcmd;
87 }
88 
89 /* This function will be the main handler for incoming event SUBCMD_TDLS
90  * Call the appropriate callback handler after parsing the vendor data.
91  */
handleEvent(WifiEvent & event)92 int TdlsCommand::handleEvent(WifiEvent &event)
93 {
94     ALOGV("Got a TDLS message from Driver");
95     WifiVendorCommand::handleEvent(event);
96 
97     /* Parse the vendordata and get the attribute */
98     switch(mSubcmd)
99     {
100         case QCA_NL80211_VENDOR_SUBCMD_TDLS_STATE:
101             {
102                 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_STATE_MAX
103                     + 1];
104                 mac_addr addr;
105                 wifi_tdls_status status;
106 
107                 memset(&addr, 0, sizeof(mac_addr));
108                 memset(&status, 0, sizeof(wifi_tdls_status));
109                 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_TDLS_STATE_MAX,
110                         (struct nlattr *)mVendorData,
111                         mDataLen, NULL);
112 
113                 ALOGV("QCA_NL80211_VENDOR_SUBCMD_TDLS_STATE Received");
114                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_MAC_ADDR])
115                 {
116                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_MAC_ADDR not found",
117                             __FUNCTION__);
118                     return WIFI_ERROR_INVALID_ARGS;
119                 }
120                 memcpy(addr,
121                   (u8 *)nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_MAC_ADDR]),
122                   nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_MAC_ADDR]));
123 
124                 ALOGV(MAC_ADDR_STR, MAC_ADDR_ARRAY(addr));
125 
126                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_STATE])
127                 {
128                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_STATE not found",
129                             __FUNCTION__);
130                     return WIFI_ERROR_INVALID_ARGS;
131                 }
132                 status.state = (wifi_tdls_state)
133                     get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_STATE]);
134                 ALOGV("TDLS: State New : %d ", status.state);
135 
136                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_REASON])
137                 {
138                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_REASON not found",
139                             __FUNCTION__);
140                     return WIFI_ERROR_INVALID_ARGS;
141                 }
142                 status.reason = (wifi_tdls_reason)
143                     get_s32(tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_REASON]);
144                 ALOGV("TDLS: Reason : %d ", status.reason);
145 
146                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_CHANNEL])
147                 {
148                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_CHANNEL not found",
149                             __FUNCTION__);
150                     return WIFI_ERROR_INVALID_ARGS;
151                 }
152                 status.channel =
153                     get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_CHANNEL]);
154                 ALOGV("TDLS: channel : %d ", status.channel);
155 
156                 if (!tb_vendor[
157                         QCA_WLAN_VENDOR_ATTR_TDLS_GLOBAL_OPERATING_CLASS])
158                 {
159                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GLOBAL_OPERATING_CLASS"
160                             " not found", __FUNCTION__);
161                     return WIFI_ERROR_INVALID_ARGS;
162                 }
163                 status.global_operating_class = get_u32(
164                    tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GLOBAL_OPERATING_CLASS]);
165                 ALOGV("TDLS: global_operating_class: %d ",
166                         status.global_operating_class);
167 
168                 if (mHandler.on_tdls_state_changed)
169                     (*mHandler.on_tdls_state_changed)(addr, status);
170                 else
171                     ALOGE("TDLS: No Callback registered: ");
172             }
173             break;
174 
175         default:
176             /* Error case should not happen print log */
177             ALOGE("%s: Wrong TDLS subcmd received %d", __FUNCTION__, mSubcmd);
178     }
179 
180     return NL_SKIP;
181 }
182 
handleResponse(WifiEvent & reply)183 int TdlsCommand::handleResponse(WifiEvent &reply)
184 {
185     WifiVendorCommand::handleResponse(reply);
186 
187     switch(mSubcmd)
188     {
189         case QCA_NL80211_VENDOR_SUBCMD_TDLS_GET_STATUS:
190             {
191                 struct nlattr *tb_vendor[
192                     QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAX + 1];
193                 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAX,
194                         (struct nlattr *)mVendorData,
195                         mDataLen, NULL);
196 
197                 ALOGV("QCA_NL80211_VENDOR_SUBCMD_TDLS_GET_STATUS Received");
198                 memset(&mTDLSgetStatusRspParams, 0, sizeof(wifi_tdls_status));
199 
200                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_STATE])
201                 {
202                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_STATE"
203                             " not found", __FUNCTION__);
204                     return WIFI_ERROR_INVALID_ARGS;
205                 }
206                 mTDLSgetStatusRspParams.state = (wifi_tdls_state)get_u32(
207                         tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_STATE]);
208                 ALOGV("TDLS: State : %u ", mTDLSgetStatusRspParams.state);
209 
210                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_REASON])
211                 {
212                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_REASON"
213                             " not found", __FUNCTION__);
214                     return WIFI_ERROR_INVALID_ARGS;
215                 }
216                 mTDLSgetStatusRspParams.reason = (wifi_tdls_reason)get_s32(
217                         tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_REASON]);
218                 ALOGV("TDLS: Reason : %d ", mTDLSgetStatusRspParams.reason);
219 
220                 if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_CHANNEL])
221                 {
222                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_CHANNEL"
223                             " not found", __FUNCTION__);
224                     return WIFI_ERROR_INVALID_ARGS;
225                 }
226                 mTDLSgetStatusRspParams.channel = get_u32(tb_vendor[
227                         QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_CHANNEL]);
228                 ALOGV("TDLS: channel : %d ", mTDLSgetStatusRspParams.channel);
229 
230                 if (!tb_vendor[
231                   QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_GLOBAL_OPERATING_CLASS])
232                 {
233                     ALOGE("%s:"
234                    "QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_GLOBAL_OPERATING_CLASS"
235                     " not found", __FUNCTION__);
236                     return WIFI_ERROR_INVALID_ARGS;
237                 }
238                 mTDLSgetStatusRspParams.global_operating_class =
239                   get_u32(tb_vendor[
240                   QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_GLOBAL_OPERATING_CLASS]);
241                 ALOGV("TDLS: global_operating_class: %d ",
242                         mTDLSgetStatusRspParams.global_operating_class);
243             }
244             break;
245         case QCA_NL80211_VENDOR_SUBCMD_TDLS_GET_CAPABILITIES:
246             {
247                 struct nlattr *tb_vendor[
248                     QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_MAX + 1];
249                 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_MAX,
250                         (struct nlattr *)mVendorData,
251                         mDataLen, NULL);
252 
253                 memset(&mTDLSgetCaps, 0, sizeof(wifiTdlsCapabilities));
254 
255                 if (!tb_vendor[
256                     QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_MAX_CONC_SESSIONS]
257                    )
258                 {
259                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_"
260                           "MAX_CONC_SESSIONS not found", __FUNCTION__);
261                     return WIFI_ERROR_INVALID_ARGS;
262                 }
263                 mTDLSgetCaps.maxConcurrentTdlsSessionNum = get_u32(tb_vendor[
264                         QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_MAX_CONC_SESSIONS]);
265 
266                 if (!tb_vendor[
267                     QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_FEATURES_SUPPORTED])
268                 {
269                     ALOGE("%s: QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_"
270                           "FEATURES_SUPPORTED not found", __FUNCTION__);
271                     return WIFI_ERROR_INVALID_ARGS;
272                 }
273                 mTDLSgetCaps.tdlsSupportedFeatures = get_u32(tb_vendor[
274                     QCA_WLAN_VENDOR_ATTR_TDLS_GET_CAPS_FEATURES_SUPPORTED]);
275             }
276             break;
277         default :
278             ALOGE("%s: Wrong TDLS subcmd response received %d",
279                 __FUNCTION__, mSubcmd);
280     }
281     return NL_SKIP;
282 }
283 
284 
setCallbackHandler(wifi_tdls_handler nHandler,u32 event)285 int TdlsCommand::setCallbackHandler(wifi_tdls_handler nHandler, u32 event)
286 {
287     int res = 0;
288     mHandler = nHandler;
289     res = registerVendorHandler(mVendor_id, event);
290     if (res != 0) {
291         /* Error case should not happen print log */
292         ALOGE("%s: Unable to register Vendor Handler Vendor Id=0x%x subcmd=%u",
293               __FUNCTION__, mVendor_id, mSubcmd);
294     }
295     return res;
296 }
297 
unregisterHandler(u32 subCmd)298 void TdlsCommand::unregisterHandler(u32 subCmd)
299 {
300     unregisterVendorHandler(mVendor_id, subCmd);
301 }
302 
getStatusRspParams(wifi_tdls_status * status)303 void TdlsCommand::getStatusRspParams(wifi_tdls_status *status)
304 {
305     status->channel = mTDLSgetStatusRspParams.channel;
306     status->global_operating_class =
307         mTDLSgetStatusRspParams.global_operating_class;
308     status->state = mTDLSgetStatusRspParams.state;
309     status->reason = mTDLSgetStatusRspParams.reason;
310 }
311 
requestResponse()312 int TdlsCommand::requestResponse()
313 {
314     return WifiCommand::requestResponse(mMsg);
315 }
316 
getCapsRspParams(wifi_tdls_capabilities * caps)317 void TdlsCommand::getCapsRspParams(wifi_tdls_capabilities *caps)
318 {
319     caps->max_concurrent_tdls_session_num =
320         mTDLSgetCaps.maxConcurrentTdlsSessionNum;
321     caps->is_global_tdls_supported =
322         !!(mTDLSgetCaps.tdlsSupportedFeatures & IS_GLOBAL_TDLS_SUPPORTED);
323     caps->is_per_mac_tdls_supported =
324         !!(mTDLSgetCaps.tdlsSupportedFeatures & IS_PER_MAC_TDLS_SUPPORTED);
325     caps->is_off_channel_tdls_supported =
326         !!(mTDLSgetCaps.tdlsSupportedFeatures & IS_OFF_CHANNEL_TDLS_SUPPORTED);
327     ALOGV("TDLS capabilities:");
328     ALOGV("max_concurrent_tdls_session_numChannel : %d\n",
329             caps->max_concurrent_tdls_session_num);
330     ALOGV("is_global_tdls_supported : %d\n",
331             caps->is_global_tdls_supported);
332     ALOGV("is_per_mac_tdls_supported : %d\n",
333             caps->is_per_mac_tdls_supported);
334     ALOGV("is_off_channel_tdls_supported : %d \n",
335             caps->is_off_channel_tdls_supported);
336 }
337 
338 /* wifi_enable_tdls - enables TDLS-auto mode for a specific route
339  *
340  * params specifies hints, which provide more information about
341  * why TDLS is being sought. The firmware should do its best to
342  * honor the hints before downgrading regular AP link
343  *
344  * On successful completion, must fire on_tdls_state_changed event
345  * to indicate the status of TDLS operation.
346  */
wifi_enable_tdls(wifi_interface_handle iface,mac_addr addr,wifi_tdls_params * params,wifi_tdls_handler handler)347 wifi_error wifi_enable_tdls(wifi_interface_handle iface,
348                             mac_addr addr,
349                             wifi_tdls_params *params,
350                             wifi_tdls_handler handler)
351 {
352     int ret = 0;
353     TdlsCommand *pTdlsCommand;
354     struct nlattr *nl_data;
355     interface_info *iinfo = getIfaceInfo(iface);
356     wifi_handle handle = getWifiHandle(iface);
357     pTdlsCommand = TdlsCommand::instance(handle);
358 
359     if (pTdlsCommand == NULL) {
360         ALOGE("%s: Error TdlsCommand NULL", __FUNCTION__);
361         return WIFI_ERROR_UNKNOWN;
362     }
363     pTdlsCommand->setSubCmd(QCA_NL80211_VENDOR_SUBCMD_TDLS_ENABLE);
364 
365     /* Create the message */
366     ret = pTdlsCommand->create();
367     if (ret < 0)
368         goto cleanup;
369 
370     ret = pTdlsCommand->set_iface_id(iinfo->name);
371     if (ret < 0)
372         goto cleanup;
373 
374     /* Add the attributes */
375     nl_data = pTdlsCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
376     if (!nl_data)
377         goto cleanup;
378     ALOGV("%s: MAC_ADDR: " MAC_ADDR_STR, __FUNCTION__, MAC_ADDR_ARRAY(addr));
379     ret = pTdlsCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAC_ADDR,
380                                   (char *)addr, 6);
381     if (ret < 0)
382         goto cleanup;
383 
384     if (params != NULL) {
385         ALOGV("%s: Channel: %d, Global operating class: %d, "
386             "Max Latency: %dms, Min Bandwidth: %dKbps",
387             __FUNCTION__, params->channel, params->global_operating_class,
388             params->max_latency_ms, params->min_bandwidth_kbps);
389         ret = pTdlsCommand->put_u32(
390                             QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_CHANNEL,
391                             params->channel) |
392               pTdlsCommand->put_u32(
393                             QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_GLOBAL_OPERATING_CLASS,
394                             params->global_operating_class) |
395               pTdlsCommand->put_u32(
396                             QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAX_LATENCY_MS,
397                             params->max_latency_ms) |
398               pTdlsCommand->put_u32(
399                             QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MIN_BANDWIDTH_KBPS,
400                             params->min_bandwidth_kbps);
401         if (ret < 0)
402             goto cleanup;
403     }
404 
405     pTdlsCommand->attr_end(nl_data);
406 
407     ret = pTdlsCommand->setCallbackHandler(handler,
408                         QCA_NL80211_VENDOR_SUBCMD_TDLS_STATE);
409     if (ret < 0)
410         goto cleanup;
411 
412     ret = pTdlsCommand->requestResponse();
413     if (ret != 0) {
414         ALOGE("%s: requestResponse Error:%d", __FUNCTION__, ret);
415     }
416 
417 cleanup:
418     return (wifi_error)ret;
419 }
420 
421 /* wifi_disable_tdls - disables TDLS-auto mode for a specific route
422  *
423  * This terminates any existing TDLS with addr device, and frees the
424  * device resources to make TDLS connections on new routes.
425  *
426  * DON'T fire any more events on 'handler' specified in earlier call to
427  * wifi_enable_tdls after this action.
428  */
wifi_disable_tdls(wifi_interface_handle iface,mac_addr addr)429 wifi_error wifi_disable_tdls(wifi_interface_handle iface, mac_addr addr)
430 {
431     int ret = 0;
432     TdlsCommand *pTdlsCommand;
433     struct nlattr *nl_data;
434     interface_info *iinfo = getIfaceInfo(iface);
435     wifi_handle handle = getWifiHandle(iface);
436     pTdlsCommand = TdlsCommand::instance(handle);
437 
438     if (pTdlsCommand == NULL) {
439         ALOGE("%s: Error TdlsCommand NULL", __FUNCTION__);
440         return WIFI_ERROR_UNKNOWN;
441     }
442     pTdlsCommand->setSubCmd(QCA_NL80211_VENDOR_SUBCMD_TDLS_DISABLE);
443 
444     /* Create the message */
445     ret = pTdlsCommand->create();
446     if (ret < 0)
447         goto cleanup;
448 
449     ret = pTdlsCommand->set_iface_id(iinfo->name);
450     if (ret < 0)
451         goto cleanup;
452     ALOGV("%s: ifindex obtained:%d", __FUNCTION__, ret);
453     ALOGV("%s: MAC_ADDR: " MAC_ADDR_STR, __FUNCTION__, MAC_ADDR_ARRAY(addr));
454 
455     /* Add the attributes */
456     nl_data = pTdlsCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
457     if (!nl_data)
458         goto cleanup;
459     ret = pTdlsCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_TDLS_DISABLE_MAC_ADDR,
460                                   (char *)addr, 6);
461     if (ret < 0)
462         goto cleanup;
463     pTdlsCommand->attr_end(nl_data);
464 
465     ret = pTdlsCommand->requestResponse();
466     if (ret != 0) {
467         ALOGE("%s: requestResponse Error:%d", __FUNCTION__, ret);
468     }
469 
470 cleanup:
471     delete pTdlsCommand;
472     return (wifi_error)ret;
473 }
474 
475 /* wifi_get_tdls_status - allows getting the status of TDLS for a specific
476  * route
477  */
wifi_get_tdls_status(wifi_interface_handle iface,mac_addr addr,wifi_tdls_status * status)478 wifi_error wifi_get_tdls_status(wifi_interface_handle iface, mac_addr addr,
479                                 wifi_tdls_status *status)
480 {
481     int ret = 0;
482     TdlsCommand *pTdlsCommand;
483     struct nlattr *nl_data;
484     interface_info *iinfo = getIfaceInfo(iface);
485     wifi_handle handle = getWifiHandle(iface);
486     pTdlsCommand = TdlsCommand::instance(handle);
487 
488     if (pTdlsCommand == NULL) {
489         ALOGE("%s: Error TdlsCommand NULL", __FUNCTION__);
490         return WIFI_ERROR_UNKNOWN;
491     }
492     pTdlsCommand->setSubCmd(QCA_NL80211_VENDOR_SUBCMD_TDLS_GET_STATUS);
493 
494     /* Create the message */
495     ret = pTdlsCommand->create();
496     if (ret < 0)
497         goto cleanup;
498 
499     ret = pTdlsCommand->set_iface_id(iinfo->name);
500     if (ret < 0)
501         goto cleanup;
502     ALOGV("%s: ifindex obtained:%d", __FUNCTION__, ret);
503 
504     /* Add the attributes */
505     nl_data = pTdlsCommand->attr_start(NL80211_ATTR_VENDOR_DATA);
506     if (!nl_data)
507         goto cleanup;
508     ret = pTdlsCommand->put_bytes(QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAC_ADDR,
509                                   (char *)addr, 6);
510     if (ret < 0)
511         goto cleanup;
512     pTdlsCommand->attr_end(nl_data);
513 
514     ret = pTdlsCommand->requestResponse();
515     if (ret != 0) {
516         ALOGE("%s: requestResponse Error:%d", __FUNCTION__, ret);
517     }
518     pTdlsCommand->getStatusRspParams(status);
519 
520 cleanup:
521     return (wifi_error)ret;
522 }
523 
524 /* return the current HW + Firmware combination's TDLS capabilities */
wifi_get_tdls_capabilities(wifi_interface_handle iface,wifi_tdls_capabilities * capabilities)525 wifi_error wifi_get_tdls_capabilities(wifi_interface_handle iface,
526                                       wifi_tdls_capabilities *capabilities)
527 {
528     int ret = 0;
529     TdlsCommand *pTdlsCommand;
530 
531     if (capabilities == NULL) {
532         ALOGE("%s: capabilities is NULL", __FUNCTION__);
533         return WIFI_ERROR_INVALID_ARGS;
534     }
535 
536     interface_info *iinfo = getIfaceInfo(iface);
537     wifi_handle handle = getWifiHandle(iface);
538     pTdlsCommand = TdlsCommand::instance(handle);
539 
540     if (pTdlsCommand == NULL) {
541         ALOGE("%s: Error TdlsCommand NULL", __FUNCTION__);
542         return WIFI_ERROR_UNKNOWN;
543     }
544     pTdlsCommand->setSubCmd(QCA_NL80211_VENDOR_SUBCMD_TDLS_GET_CAPABILITIES);
545 
546     /* Create the message */
547     ret = pTdlsCommand->create();
548     if (ret < 0)
549         goto cleanup;
550 
551     ret = pTdlsCommand->set_iface_id(iinfo->name);
552     if (ret < 0)
553         goto cleanup;
554 
555     ret = pTdlsCommand->requestResponse();
556     if (ret != 0) {
557         ALOGE("%s: requestResponse Error:%d", __FUNCTION__, ret);
558         goto cleanup;
559     }
560     pTdlsCommand->getCapsRspParams(capabilities);
561 
562 cleanup:
563     if (ret < 0)
564         memset(capabilities, 0, sizeof(wifi_tdls_capabilities));
565     delete pTdlsCommand;
566     return (wifi_error)ret;
567 }
568