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