/* * Copyright (c) 2004-2006 Atheros Communications Inc. * All rights reserved. * *  Wireless Network driver for Atheros AR6001 * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License version 2 as *  published by the Free Software Foundation; * *  Software distributed under the License is distributed on an "AS *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or *  implied. See the License for the specific language governing *  rights and limitations under the License. * * * This module implements frequently used wlan utilies * */#include "../include/athdefs.h"#include "../include/athtypes.h"#include "../include/osapi.h"/* * converts ieee channel number to frequency */A_UINT16wlan_ieee2freq(int chan){    if (chan == 14) {        return 2484;    }    if (chan < 14) {    /* 0-13 */        return (2407 + (chan*5));    }    if (chan < 27) {    /* 15-26 */        return (2512 + ((chan-15)*20));    }    return (5000 + (chan*5));}/* * Converts MHz frequency to IEEE channel number. */A_UINT32wlan_freq2ieee(A_UINT16 freq){    if (freq == 2484)        return 14;    if (freq < 2484)        return (freq - 2407) / 5;    if (freq < 5000)        return 15 + ((freq - 2512) / 20);    return (freq - 5000) / 5;}