148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <cutils/properties.h>
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#define LOG_TAG "TiwlanWifiController"
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#include <cutils/log.h>
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#include "PropertyManager.h"
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#include "TiwlanWifiController.h"
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#include "TiwlanEventListener.h"
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#define DRIVER_PROP_NAME "wlan.driver.status"
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extern "C" int sched_yield(void);
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TiwlanWifiController::TiwlanWifiController(PropertyManager *propmngr,
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IControllerHandler *handlers,
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char *modpath, char *modname,
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char *modargs) :
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WifiController(propmngr, handlers, modpath, modname,
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modargs) {
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mEventListener = NULL;
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mListenerSock = -1;
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}
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int TiwlanWifiController::powerUp() {
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return 0; // Powerup is currently done when the driver is loaded
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}
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int TiwlanWifiController::powerDown() {
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if (mEventListener) {
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delete mEventListener;
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shutdown(mListenerSock, SHUT_RDWR);
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close(mListenerSock);
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mListenerSock = -1;
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mEventListener = NULL;
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}
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return 0; // Powerdown is currently done when the driver is unloaded
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}
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bool TiwlanWifiController::isPoweredUp() {
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return isKernelModuleLoaded(getModuleName());
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}
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int TiwlanWifiController::loadFirmware() {
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char driver_status[PROPERTY_VALUE_MAX];
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int count = 100;
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property_set("ctl.start", "wlan_loader");
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sched_yield();
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// Wait for driver to be ready
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while (count-- > 0) {
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if (property_get(DRIVER_PROP_NAME, driver_status, NULL)) {
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if (!strcmp(driver_status, "ok")) {
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LOGD("Firmware loaded OK");
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if (startDriverEventListener()) {
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LOGW("Failed to start driver event listener (%s)",
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strerror(errno));
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}
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return 0;
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} else if (!strcmp(DRIVER_PROP_NAME, "failed")) {
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LOGE("Firmware load failed");
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return -1;
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}
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}
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usleep(200000);
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}
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property_set(DRIVER_PROP_NAME, "timeout");
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LOGE("Firmware load timed out");
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return -1;
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}
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int TiwlanWifiController::startDriverEventListener() {
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struct sockaddr_in addr;
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if (mListenerSock != -1) {
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LOGE("Listener already started!");
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errno = EBUSY;
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return -1;
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}
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if ((mListenerSock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
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LOGE("socket failed (%s)", strerror(errno));
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return -1;
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}
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = htonl(INADDR_ANY);
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addr.sin_port = htons(TI_DRIVER_MSG_PORT);
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if (bind(mListenerSock,
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(struct sockaddr *) &addr,
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sizeof(addr)) < 0) {
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LOGE("bind failed (%s)", strerror(errno));
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goto out_err;
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}
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mEventListener = new TiwlanEventListener(mListenerSock);
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if (mEventListener->startListener()) {
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LOGE("Error starting driver listener (%s)", strerror(errno));
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goto out_err;
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}
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return 0;
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out_err:
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if (mEventListener) {
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delete mEventListener;
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mEventListener = NULL;
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}
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if (mListenerSock != -1) {
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shutdown(mListenerSock, SHUT_RDWR);
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close(mListenerSock);
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mListenerSock = -1;
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}
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return -1;
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}
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bool TiwlanWifiController::isFirmwareLoaded() {
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// Always load the firmware
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return false;
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}
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