diff options
Diffstat (limited to 'drivers/net/wireless/ath5k/regdom.c')
| -rw-r--r-- | drivers/net/wireless/ath5k/regdom.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/regdom.c b/drivers/net/wireless/ath5k/regdom.c new file mode 100644 index 000000000000..e851957dacfd --- /dev/null +++ b/drivers/net/wireless/ath5k/regdom.c @@ -0,0 +1,121 @@ +/* + * 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; +} + |