static int read_mac_addr_from_file(const char *p_mac_file, char *mac_addr)
{
mm_segment_t oldfs;
struct file *filp;
struct inode *inode = NULL;
int length;
unsigned char soft_mac_tmp_buf[ATH_SOFT_MAC_TMP_BUF_LEN];
/* open file */
oldfs = get_fs();
set_fs(KERNEL_DS);
filp = filp_open(p_mac_file, O_RDONLY, S_IRUSR);
printk("%s try to open file %s\n", __FUNCTION__, p_mac_file);
if (IS_ERR(filp)) {
printk("%s: file %s filp_open error\n", __FUNCTION__, p_mac_file);
set_fs(oldfs);
return -1;
}
if (!filp->f_op) {
printk("%s: File Operation Method Error\n", __FUNCTION__);
filp_close(filp, NULL);
set_fs(oldfs);
return -1;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
inode = filp->f_path.dentry->d_inode;
#else
inode = filp->f_dentry->d_inode;
#endif
if (!inode) {
printk("%s: Get inode from filp failed\n", __FUNCTION__);
filp_close(filp, NULL);
set_fs(oldfs);
return -1;
}
printk("%s file offset opsition: %xh\n", __FUNCTION__, (unsigned)filp->f_pos);
length = filp->f_op->read(filp, soft_mac_tmp_buf, ATH_SOFT_MAC_TMP_BUF_LEN, &filp->f_pos);
soft_mac_tmp_buf[length] = '\0'; /* ensure that it is NULL terminated */
/* read data out successfully */
filp_close(filp, NULL);
set_fs(oldfs);
/* convert mac address */
if (!wmic_ether_aton(soft_mac_tmp_buf, length, mac_addr)) {
printk("%s: convert mac value fail\n", __FUNCTION__);
return -1;
}
return 0;
}
void _tmain(int argc, TCHAR *argv[]) {
BYTE macAddr[6];
TCHAR adapterName[256];
TCHAR field[12];
HANDLE hAdapter = NULL;
DWORD dwReturnedBytes = 0;
DWORD rd;
// Update MAC addr in buffer
HCURSOR curr = GetCursor();
SetCursor(LoadCursor(NULL, IDC_WAIT));
if ((argc != 4)) {
printUsage();
exit(-1);
}
_tcsncpy(adapterName, argv[1], sizeof(adapterName)/sizeof(TCHAR));
_tcsncpy(field, argv[2], sizeof(field)/sizeof(TCHAR));
hAdapter = CreateFile(TEXT("DRG1:"),GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
INVALID_HANDLE_VALUE);
if (INVALID_HANDLE_VALUE == hAdapter) {
MessageBox(NULL,_T("Unable to open the device "),NULL,MB_OK);
exit(-1);
}
do {
if ( _tcscmp( field, MAC_FIELD) == 0 ) {
// Parse the MAC Addr in to a BYTE array.
if (wmic_ether_aton(argv[3], macAddr) == -1) {
MessageBox(NULL,_T("Invalid Mac addr format"),NULL,MB_OK);
break;
}
if (!DeviceIoControl(
hAdapter,
IOCTL_CAR6K_MACADDR_UPDATE,
macAddr,
6,
NULL,
0,
&dwReturnedBytes,
NULL) )
{
MessageBox(NULL,_T("MACADDR UPDATE FAILED"),_T("eepromUpdater"),MB_OK);
} else {
MessageBox(NULL,_T("MACADDR UPDATE SUCCESS"),_T("eepromUpdater"),MB_OK);
}
} else if ( _tcscmp( field, RD_FIELD) == 0 ) {
if (wmic_rd_aton(argv[3], &rd) == -1) {
MessageBox(NULL,_T("Invalid RD format"),NULL,MB_OK);
break;
}
if (!DeviceIoControl(
hAdapter,
IOCTL_CAR6K_RD_UPDATE,
&rd,
2,
NULL,
0,
&dwReturnedBytes,
NULL) )
{
MessageBox(NULL,_T("RD UPDATE FAILED"),_T("eepromUpdater"),MB_OK);
} else {
MessageBox(NULL,_T("RD UPDATE SUCCESS"),_T("eepromUpdater"),MB_OK);
}
} else {
printUsage();
}
} while(0);
CloseHandle (hAdapter);
SetCursor(curr);
}
