android13/hardware/rockchip/wifi/wifi_hal/common/wifi_hal.cpp

64 lines
1.8 KiB
C++

/*
* Copyright (C) 2017 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.
*/
#define LOG_TAG "RKWifiHAL"
#include <stdint.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <errno.h>
#include <dirent.h>
#include <sys/types.h>
#include <unistd.h>
#include <log/log.h>
#include "wifi_hal.h"
extern "C" const char *get_wifi_hal_name(void);
/* initialize function pointer table with vendor HAL */
wifi_error init_wifi_vendor_hal_func_table(wifi_hal_fn *fn)
{
if (fn == NULL) {
return WIFI_ERROR_UNKNOWN;
}
const char *wifi_hal_name = get_wifi_hal_name();
void *lib_handle;
wifi_error (*init_wifi_vendor_hal_func_table_)(wifi_hal_fn *);
if (wifi_hal_name == NULL) {
ALOGE("unknown wifi hal name");
return WIFI_ERROR_UNKNOWN;
}
ALOGD("libwifi hal name: %s", wifi_hal_name);
lib_handle = dlopen(wifi_hal_name, RTLD_NOW);
if (lib_handle == NULL) {
ALOGE("dlopen %s fail", wifi_hal_name);
return WIFI_ERROR_UNKNOWN;
}
init_wifi_vendor_hal_func_table_ = (wifi_error (*)(wifi_hal_fn *))dlsym(lib_handle, "init_wifi_vendor_hal_func_table");
if (init_wifi_vendor_hal_func_table_ == NULL) {
ALOGE("dlsym get interface fail");
return WIFI_ERROR_UNKNOWN;
}
return init_wifi_vendor_hal_func_table_(fn);
}