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/*
* Copyright (c) 2004, 2005 Reyk Floeter <reyk@vantronix.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Basic regulation domain extensions for the IEEE 802.11 stack
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include "regdom.h"
static const struct ath5k_regdommap {
enum ath5k_regdom dmn;
enum ath5k_regdom dmn5;
enum ath5k_regdom dmn2;
} r_map[] = {
{ DMN_DEFAULT, DMN_DEBUG, DMN_DEBUG },
{ DMN_NULL_WORLD, DMN_NULL, DMN_WORLD },
{ DMN_NULL_ETSIB, DMN_NULL, DMN_ETSIB },
{ DMN_NULL_ETSIC, DMN_NULL, DMN_ETSIC },
{ DMN_FCC1_FCCA, DMN_FCC1, DMN_FCCA },
{ DMN_FCC1_WORLD, DMN_FCC1, DMN_WORLD },
{ DMN_FCC2_FCCA, DMN_FCC2, DMN_FCCA },
{ DMN_FCC2_WORLD, DMN_FCC2, DMN_WORLD },
{ DMN_FCC2_ETSIC, DMN_FCC2, DMN_ETSIC },
{ DMN_FRANCE_NULL, DMN_ETSI3, DMN_ETSI3 },
{ DMN_FCC3_FCCA, DMN_FCC3, DMN_WORLD },
{ DMN_ETSI1_WORLD, DMN_ETSI1, DMN_WORLD },
{ DMN_ETSI3_ETSIA, DMN_ETSI3, DMN_WORLD },
{ DMN_ETSI2_WORLD, DMN_ETSI2, DMN_WORLD },
{ DMN_ETSI3_WORLD, DMN_ETSI3, DMN_WORLD },
{ DMN_ETSI4_WORLD, DMN_ETSI4, DMN_WORLD },
{ DMN_ETSI4_ETSIC, DMN_ETSI4, DMN_ETSIC },
{ DMN_ETSI5_WORLD, DMN_ETSI5, DMN_WORLD },
{ DMN_ETSI6_WORLD, DMN_ETSI6, DMN_WORLD },
{ DMN_ETSI_NULL, DMN_ETSI1, DMN_ETSI1 },
{ DMN_MKK1_MKKA, DMN_MKK1, DMN_MKKA },
{ DMN_MKK1_MKKB, DMN_MKK1, DMN_MKKA },
{ DMN_APL4_WORLD, DMN_APL4, DMN_WORLD },
{ DMN_MKK2_MKKA, DMN_MKK2, DMN_MKKA },
{ DMN_APL_NULL, DMN_APL1, DMN_NULL },
{ DMN_APL2_WORLD, DMN_APL2, DMN_WORLD },
{ DMN_APL2_APLC, DMN_APL2, DMN_WORLD },
{ DMN_APL3_WORLD, DMN_APL3, DMN_WORLD },
{ DMN_MKK1_FCCA, DMN_MKK1, DMN_FCCA },
{ DMN_APL2_APLD, DMN_APL2, DMN_APLD },
{ DMN_MKK1_MKKA1, DMN_MKK1, DMN_MKKA },
{ DMN_MKK1_MKKA2, DMN_MKK1, DMN_MKKA },
{ DMN_APL1_WORLD, DMN_APL1, DMN_WORLD },
{ DMN_APL1_FCCA, DMN_APL1, DMN_FCCA },
{ DMN_APL1_APLA, DMN_APL1, DMN_WORLD },
{ DMN_APL1_ETSIC, DMN_APL1, DMN_ETSIC },
{ DMN_APL2_ETSIC, DMN_APL2, DMN_ETSIC },
{ DMN_APL5_WORLD, DMN_APL5, DMN_WORLD },
{ DMN_WOR0_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR1_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR2_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR3_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR4_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR5_ETSIC, DMN_WORLD, DMN_WORLD },
{ DMN_WOR01_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WOR02_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_EU1_WORLD, DMN_ETSI1, DMN_WORLD },
{ DMN_WOR9_WORLD, DMN_WORLD, DMN_WORLD },
{ DMN_WORA_WORLD, DMN_WORLD, DMN_WORLD },
};
enum ath5k_regdom ath5k_regdom2flag(enum ath5k_regdom dmn, u16 mhz)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(r_map); i++) {
if (r_map[i].dmn == dmn) {
if (mhz >= 2000 && mhz <= 3000)
return r_map[i].dmn2;
if (mhz >= IEEE80211_CHANNELS_5GHZ_MIN &&
mhz <= IEEE80211_CHANNELS_5GHZ_MAX)
return r_map[i].dmn5;
}
}
return DMN_DEBUG;
}
u16 ath5k_regdom_from_ieee(enum ath5k_regdom ieee)
{
u32 regdomain = (u32)ieee;
/*
* Use the default regulation domain if the value is empty
* or not supported by the net80211 regulation code.
*/
if (ath5k_regdom2flag(regdomain, IEEE80211_CHANNELS_5GHZ_MIN) ==
DMN_DEBUG)
return (u16)AR5K_TUNE_REGDOMAIN;
/* It is supported, just return the value */
return regdomain;
}
enum ath5k_regdom ath5k_regdom_to_ieee(u16 regdomain)
{
enum ath5k_regdom ieee = (enum ath5k_regdom)regdomain;
return ieee;
}
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