Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2015, 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 |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the 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 | #define LOG_TAG "WifiHAL" |
| 31 | #include <utils/Log.h> |
| 32 | #include <time.h> |
Ajay Dudani | 65b8c55 | 2015-04-11 22:52:06 -0700 | [diff] [blame] | 33 | #include <errno.h> |
Amarnath Hullur Subramanyam | b131c77 | 2015-08-06 14:22:50 -0700 | [diff] [blame] | 34 | #include <stdlib.h> |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 35 | #include "wificonfigcommand.h" |
| 36 | |
| 37 | /* Implementation of the API functions exposed in wifi_config.h */ |
| 38 | wifi_error wifi_extended_dtim_config_set(wifi_request_id id, |
| 39 | wifi_interface_handle iface, |
| 40 | int extended_dtim) |
| 41 | { |
| 42 | int ret = 0; |
| 43 | WiFiConfigCommand *wifiConfigCommand; |
| 44 | struct nlattr *nlData; |
| 45 | interface_info *ifaceInfo = getIfaceInfo(iface); |
| 46 | wifi_handle wifiHandle = getWifiHandle(iface); |
| 47 | hal_info *info = getHalInfo(wifiHandle); |
| 48 | |
| 49 | ALOGD("wifi_extended_dtim_config_set(): Enter"); |
| 50 | |
| 51 | wifiConfigCommand = new WiFiConfigCommand( |
| 52 | wifiHandle, |
| 53 | id, |
| 54 | OUI_QCA, |
| 55 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION); |
| 56 | |
| 57 | if (wifiConfigCommand == NULL) { |
| 58 | ALOGE("%s: Error wifiConfigCommand NULL", __func__); |
| 59 | return WIFI_ERROR_UNKNOWN; |
| 60 | } |
| 61 | |
| 62 | /* Create the NL message. */ |
| 63 | ret = wifiConfigCommand->create(); |
| 64 | if (ret < 0) { |
| 65 | ALOGE("wifi_extended_dtim_config_set: failed to create NL msg. " |
| 66 | "Error:%d", ret); |
| 67 | goto cleanup; |
| 68 | } |
| 69 | |
| 70 | /* Set the interface Id of the message. */ |
| 71 | ret = wifiConfigCommand->set_iface_id(ifaceInfo->name); |
| 72 | if (ret < 0) { |
| 73 | ALOGE("wifi_extended_dtim_config_set: failed to set iface id. " |
| 74 | "Error:%d", ret); |
| 75 | goto cleanup; |
| 76 | } |
| 77 | |
| 78 | /* Add the vendor specific attributes for the NL command. */ |
| 79 | nlData = wifiConfigCommand->attr_start(NL80211_ATTR_VENDOR_DATA); |
| 80 | if (!nlData) { |
| 81 | ALOGE("wifi_extended_dtim_config_set: failed attr_start for " |
| 82 | "VENDOR_DATA. Error:%d", ret); |
| 83 | goto cleanup; |
| 84 | } |
| 85 | |
| 86 | if (wifiConfigCommand->put_u32( |
| 87 | QCA_WLAN_VENDOR_ATTR_WIFI_CONFIG_DYNAMIC_DTIM, extended_dtim)) { |
| 88 | ALOGE("wifi_extended_dtim_config_set(): failed to put vendor data. " |
| 89 | "Error:%d", ret); |
| 90 | goto cleanup; |
| 91 | } |
| 92 | wifiConfigCommand->attr_end(nlData); |
| 93 | |
| 94 | /* Send the NL msg. */ |
| 95 | wifiConfigCommand->waitForRsp(false); |
| 96 | ret = wifiConfigCommand->requestEvent(); |
| 97 | if (ret != 0) { |
| 98 | ALOGE("wifi_extended_dtim_config_set(): requestEvent Error:%d", ret); |
| 99 | goto cleanup; |
| 100 | } |
| 101 | |
| 102 | cleanup: |
| 103 | ALOGI("%s: Delete object.", __func__); |
| 104 | delete wifiConfigCommand; |
| 105 | return (wifi_error)ret; |
| 106 | } |
| 107 | |
| 108 | /* Set the country code to driver. */ |
| 109 | wifi_error wifi_set_country_code(wifi_interface_handle iface, |
| 110 | const char* country_code) |
| 111 | { |
| 112 | int requestId, ret = 0; |
| 113 | WiFiConfigCommand *wifiConfigCommand; |
| 114 | struct nlattr *nlData; |
| 115 | interface_info *ifaceInfo = getIfaceInfo(iface); |
| 116 | wifi_handle wifiHandle = getWifiHandle(iface); |
| 117 | hal_info *info = getHalInfo(wifiHandle); |
| 118 | |
Srinivas Dasari | 02d14ee | 2015-08-19 16:52:08 +0530 | [diff] [blame^] | 119 | ALOGD("wifi_set_country_code(): %s", country_code); |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 120 | |
| 121 | /* No request id from caller, so generate one and pass it on to the driver. |
| 122 | * Generate it randomly. |
| 123 | */ |
Amarnath Hullur Subramanyam | b131c77 | 2015-08-06 14:22:50 -0700 | [diff] [blame] | 124 | requestId = get_requestid(); |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 125 | |
| 126 | wifiConfigCommand = new WiFiConfigCommand( |
| 127 | wifiHandle, |
| 128 | requestId, |
| 129 | OUI_QCA, |
| 130 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION); |
| 131 | if (wifiConfigCommand == NULL) { |
| 132 | ALOGE("%s: Error wifiConfigCommand NULL", __func__); |
| 133 | return WIFI_ERROR_UNKNOWN; |
| 134 | } |
| 135 | |
| 136 | /* Create the NL message with NL80211_CMD_REQ_SET_REG NL cmd. */ |
| 137 | ret = wifiConfigCommand->create_generic(NL80211_CMD_REQ_SET_REG); |
| 138 | if (ret < 0) { |
| 139 | ALOGE("wifi_set_country_code: failed to create NL msg. Error:%d", ret); |
| 140 | goto cleanup; |
| 141 | } |
| 142 | |
| 143 | if (wifiConfigCommand->put_string(NL80211_ATTR_REG_ALPHA2, country_code)) { |
| 144 | ALOGE("wifi_set_country_code: put country code failed. Error:%d", ret); |
| 145 | goto cleanup; |
| 146 | } |
| 147 | |
| 148 | /* Send the NL msg. */ |
| 149 | wifiConfigCommand->waitForRsp(false); |
| 150 | ret = wifiConfigCommand->requestEvent(); |
| 151 | if (ret != 0) { |
| 152 | ALOGE("wifi_set_country_code(): requestEvent Error:%d", ret); |
| 153 | goto cleanup; |
| 154 | } |
Srinivas Dasari | 02d14ee | 2015-08-19 16:52:08 +0530 | [diff] [blame^] | 155 | usleep(WAIT_TIME_FOR_SET_REG_DOMAIN); |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 156 | |
| 157 | cleanup: |
Srinivas Dasari | 02d14ee | 2015-08-19 16:52:08 +0530 | [diff] [blame^] | 158 | ALOGV("%s: Delete object.", __func__); |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 159 | delete wifiConfigCommand; |
| 160 | return (wifi_error)ret; |
| 161 | } |
| 162 | |
| 163 | wifi_error wifi_set_beacon_wifi_iface_stats_averaging_factor( |
| 164 | wifi_request_id id, |
| 165 | wifi_interface_handle iface, |
| 166 | u16 factor) |
| 167 | { |
| 168 | int ret = 0; |
| 169 | WiFiConfigCommand *wifiConfigCommand; |
| 170 | struct nlattr *nlData; |
| 171 | interface_info *ifaceInfo = getIfaceInfo(iface); |
| 172 | wifi_handle wifiHandle = getWifiHandle(iface); |
| 173 | hal_info *info = getHalInfo(wifiHandle); |
| 174 | |
| 175 | ALOGD("wifi_set_beacon_wifi_iface_stats_averaging_factor(): Enter"); |
| 176 | wifiConfigCommand = new WiFiConfigCommand( |
| 177 | wifiHandle, |
| 178 | id, |
| 179 | OUI_QCA, |
| 180 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION); |
| 181 | if (wifiConfigCommand == NULL) { |
| 182 | ALOGE("%s: Error wifiConfigCommand NULL", __func__); |
| 183 | return WIFI_ERROR_UNKNOWN; |
| 184 | } |
| 185 | |
| 186 | /* Create the NL message. */ |
| 187 | ret = wifiConfigCommand->create(); |
| 188 | if (ret < 0) { |
| 189 | ALOGE("wifi_set_beacon_wifi_iface_stats_averaging_factor: failed to " |
| 190 | "create NL msg. Error:%d", ret); |
| 191 | goto cleanup; |
| 192 | } |
| 193 | |
| 194 | /* Set the interface Id of the message. */ |
| 195 | ret = wifiConfigCommand->set_iface_id(ifaceInfo->name); |
| 196 | if (ret < 0) { |
| 197 | ALOGE("wifi_set_beacon_wifi_iface_stats_averaging_factor: failed to " |
| 198 | "set iface id. Error:%d", ret); |
| 199 | goto cleanup; |
| 200 | } |
| 201 | |
| 202 | /* Add the vendor specific attributes for the NL command. */ |
| 203 | nlData = wifiConfigCommand->attr_start(NL80211_ATTR_VENDOR_DATA); |
| 204 | if (!nlData) { |
| 205 | ALOGE("wifi_set_beacon_wifi_iface_stats_averaging_factor: failed " |
| 206 | "attr_start for VENDOR_DATA. Error:%d", ret); |
| 207 | goto cleanup; |
| 208 | } |
| 209 | |
| 210 | if (wifiConfigCommand->put_u32( |
| 211 | QCA_WLAN_VENDOR_ATTR_WIFI_CONFIG_STATS_AVG_FACTOR, factor)) { |
| 212 | ALOGE("wifi_set_beacon_wifi_iface_stats_averaging_factor(): failed to " |
| 213 | "put vendor data. Error:%d", ret); |
| 214 | goto cleanup; |
| 215 | } |
| 216 | wifiConfigCommand->attr_end(nlData); |
| 217 | |
| 218 | /* Send the NL msg. */ |
| 219 | wifiConfigCommand->waitForRsp(false); |
| 220 | ret = wifiConfigCommand->requestEvent(); |
| 221 | if (ret != 0) { |
| 222 | ALOGE("wifi_set_beacon_wifi_iface_stats_averaging_factor(): " |
| 223 | "requestEvent Error:%d", ret); |
| 224 | goto cleanup; |
| 225 | } |
| 226 | |
| 227 | cleanup: |
| 228 | ALOGI("%s: Delete object.", __func__); |
| 229 | delete wifiConfigCommand; |
| 230 | return (wifi_error)ret; |
| 231 | } |
| 232 | |
| 233 | wifi_error wifi_set_guard_time(wifi_request_id id, |
| 234 | wifi_interface_handle iface, |
| 235 | u32 guard_time) |
| 236 | { |
| 237 | int ret = 0; |
| 238 | WiFiConfigCommand *wifiConfigCommand; |
| 239 | struct nlattr *nlData; |
| 240 | interface_info *ifaceInfo = getIfaceInfo(iface); |
| 241 | wifi_handle wifiHandle = getWifiHandle(iface); |
| 242 | hal_info *info = getHalInfo(wifiHandle); |
| 243 | |
| 244 | ALOGD("wifi_set_guard_time(): Enter"); |
| 245 | |
| 246 | wifiConfigCommand = new WiFiConfigCommand( |
| 247 | wifiHandle, |
| 248 | id, |
| 249 | OUI_QCA, |
| 250 | QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION); |
| 251 | if (wifiConfigCommand == NULL) { |
| 252 | ALOGE("%s: Error wifiConfigCommand NULL", __func__); |
| 253 | return WIFI_ERROR_UNKNOWN; |
| 254 | } |
| 255 | |
| 256 | /* Create the NL message. */ |
| 257 | ret = wifiConfigCommand->create(); |
| 258 | if (ret < 0) { |
| 259 | ALOGE("wifi_set_guard_time: failed to create NL msg. Error:%d", ret); |
| 260 | goto cleanup; |
| 261 | } |
| 262 | |
| 263 | /* Set the interface Id of the message. */ |
| 264 | ret = wifiConfigCommand->set_iface_id(ifaceInfo->name); |
| 265 | if (ret < 0) { |
| 266 | ALOGE("wifi_set_guard_time: failed to set iface id. Error:%d", ret); |
| 267 | goto cleanup; |
| 268 | } |
| 269 | |
| 270 | /* Add the vendor specific attributes for the NL command. */ |
| 271 | nlData = wifiConfigCommand->attr_start(NL80211_ATTR_VENDOR_DATA); |
| 272 | if (!nlData) { |
| 273 | ALOGE("wifi_set_guard_time: failed attr_start for VENDOR_DATA. " |
| 274 | "Error:%d", ret); |
| 275 | goto cleanup; |
| 276 | } |
| 277 | |
| 278 | if (wifiConfigCommand->put_u32( |
| 279 | QCA_WLAN_VENDOR_ATTR_WIFI_CONFIG_GUARD_TIME, guard_time)) { |
| 280 | ALOGE("wifi_set_guard_time: failed to add vendor data."); |
| 281 | goto cleanup; |
| 282 | } |
| 283 | wifiConfigCommand->attr_end(nlData); |
| 284 | |
| 285 | /* Send the NL msg. */ |
| 286 | wifiConfigCommand->waitForRsp(false); |
| 287 | ret = wifiConfigCommand->requestEvent(); |
| 288 | if (ret != 0) { |
| 289 | ALOGE("wifi_set_guard_time(): requestEvent Error:%d", ret); |
| 290 | goto cleanup; |
| 291 | } |
| 292 | |
| 293 | cleanup: |
| 294 | ALOGI("%s: Delete object.", __func__); |
| 295 | delete wifiConfigCommand; |
| 296 | return (wifi_error)ret; |
| 297 | } |
| 298 | |
| 299 | WiFiConfigCommand::WiFiConfigCommand(wifi_handle handle, |
| 300 | int id, u32 vendor_id, |
| 301 | u32 subcmd) |
| 302 | : WifiVendorCommand(handle, id, vendor_id, subcmd) |
| 303 | { |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 304 | /* Initialize the member data variables here */ |
| 305 | mWaitforRsp = false; |
| 306 | mRequestId = id; |
| 307 | } |
| 308 | |
| 309 | WiFiConfigCommand::~WiFiConfigCommand() |
| 310 | { |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 311 | unregisterVendorHandler(mVendor_id, mSubcmd); |
| 312 | } |
| 313 | |
| 314 | /* This function implements creation of Vendor command */ |
| 315 | int WiFiConfigCommand::create() { |
| 316 | int ret = mMsg.create(NL80211_CMD_VENDOR, 0, 0); |
| 317 | if (ret < 0) { |
| 318 | return ret; |
| 319 | } |
| 320 | |
| 321 | /* Insert the oui in the msg */ |
| 322 | ret = mMsg.put_u32(NL80211_ATTR_VENDOR_ID, mVendor_id); |
| 323 | if (ret < 0) |
| 324 | goto out; |
| 325 | /* Insert the subcmd in the msg */ |
| 326 | ret = mMsg.put_u32(NL80211_ATTR_VENDOR_SUBCMD, mSubcmd); |
| 327 | if (ret < 0) |
| 328 | goto out; |
| 329 | |
| 330 | ALOGI("%s: mVendor_id = %d, Subcmd = %d.", |
| 331 | __func__, mVendor_id, mSubcmd); |
| 332 | out: |
| 333 | return ret; |
| 334 | } |
| 335 | |
| 336 | /* This function implements creation of generic NL command */ |
| 337 | int WiFiConfigCommand::create_generic(u8 cmdId) { |
| 338 | ALOGI("%s: cmdId = %d", __func__, cmdId); |
| 339 | int ret = mMsg.create(cmdId, 0, 0); |
| 340 | return ret; |
| 341 | } |
| 342 | |
| 343 | void WiFiConfigCommand::waitForRsp(bool wait) |
| 344 | { |
| 345 | mWaitforRsp = wait; |
| 346 | } |
| 347 | |
| 348 | /* Callback handlers registered for nl message send */ |
| 349 | static int error_handler_wifi_config(struct sockaddr_nl *nla, |
| 350 | struct nlmsgerr *err, |
| 351 | void *arg) |
| 352 | { |
| 353 | struct sockaddr_nl *tmp; |
| 354 | int *ret = (int *)arg; |
| 355 | tmp = nla; |
| 356 | *ret = err->error; |
| 357 | ALOGE("%s: Error code:%d (%s)", __func__, *ret, strerror(-(*ret))); |
| 358 | return NL_STOP; |
| 359 | } |
| 360 | |
| 361 | /* Callback handlers registered for nl message send */ |
| 362 | static int ack_handler_wifi_config(struct nl_msg *msg, void *arg) |
| 363 | { |
| 364 | int *ret = (int *)arg; |
| 365 | struct nl_msg * a; |
| 366 | |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 367 | a = msg; |
| 368 | *ret = 0; |
| 369 | return NL_STOP; |
| 370 | } |
| 371 | |
| 372 | /* Callback handlers registered for nl message send */ |
| 373 | static int finish_handler_wifi_config(struct nl_msg *msg, void *arg) |
| 374 | { |
| 375 | int *ret = (int *)arg; |
| 376 | struct nl_msg * a; |
| 377 | |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 378 | a = msg; |
| 379 | *ret = 0; |
| 380 | return NL_SKIP; |
| 381 | } |
| 382 | |
| 383 | /* |
| 384 | * Override base class requestEvent and implement little differently here. |
| 385 | * This will send the request message. |
| 386 | * We don't wait for any response back in case of wificonfig, |
| 387 | * thus no wait for condition. |
| 388 | */ |
| 389 | int WiFiConfigCommand::requestEvent() |
| 390 | { |
| 391 | int res = -1; |
| 392 | struct nl_cb *cb; |
| 393 | |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 394 | cb = nl_cb_alloc(NL_CB_DEFAULT); |
| 395 | if (!cb) { |
| 396 | ALOGE("%s: Callback allocation failed",__func__); |
| 397 | res = -1; |
| 398 | goto out; |
| 399 | } |
| 400 | |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 401 | res = nl_send_auto_complete(mInfo->cmd_sock, mMsg.getMessage()); |
| 402 | if (res < 0) |
| 403 | goto out; |
| 404 | res = 1; |
| 405 | |
| 406 | nl_cb_err(cb, NL_CB_CUSTOM, error_handler_wifi_config, &res); |
| 407 | nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler_wifi_config, |
| 408 | &res); |
| 409 | nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler_wifi_config, &res); |
| 410 | |
| 411 | /* Err is populated as part of finish_handler. */ |
| 412 | while (res > 0){ |
| 413 | nl_recvmsgs(mInfo->cmd_sock, cb); |
| 414 | } |
| 415 | |
Ahmad Kholaif | 159de4f | 2015-03-23 16:02:05 -0700 | [diff] [blame] | 416 | /* Only wait for the asynchronous event if HDD returns success, res=0 */ |
| 417 | if (!res && (mWaitforRsp == true)) { |
| 418 | struct timespec abstime; |
| 419 | abstime.tv_sec = 4; |
| 420 | abstime.tv_nsec = 0; |
| 421 | res = mCondition.wait(abstime); |
| 422 | if (res == ETIMEDOUT) |
| 423 | { |
| 424 | ALOGE("%s: Time out happened.", __func__); |
| 425 | } |
| 426 | ALOGD("%s: Command invoked return value:%d, mWaitForRsp=%d", |
| 427 | __func__, res, mWaitforRsp); |
| 428 | } |
| 429 | out: |
| 430 | /* Cleanup the mMsg */ |
| 431 | mMsg.destroy(); |
| 432 | return res; |
| 433 | } |
| 434 | |