Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1 | /* |
Sujith | cee075a | 2009-03-13 09:07:23 +0530 | [diff] [blame] | 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/slab.h> |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 19 | #include <net/cfg80211.h> |
| 20 | #include <net/mac80211.h> |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 21 | #include "regd.h" |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 22 | #include "regd_common.h" |
| 23 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 24 | /* |
| 25 | * This is a set of common rules used by our world regulatory domains. |
| 26 | * We have 12 world regulatory domains. To save space we consolidate |
| 27 | * the regulatory domains in 5 structures by frequency and change |
| 28 | * the flags on our reg_notifier() on a case by case basis. |
| 29 | */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 30 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 31 | /* Only these channels all allow active scan on all world regulatory domains */ |
| 32 | #define ATH9K_2GHZ_CH01_11 REG_RULE(2412-10, 2462+10, 40, 0, 20, 0) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 33 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 34 | /* We enable active scan on these a case by case basis by regulatory domain */ |
| 35 | #define ATH9K_2GHZ_CH12_13 REG_RULE(2467-10, 2472+10, 40, 0, 20,\ |
| 36 | NL80211_RRF_PASSIVE_SCAN) |
| 37 | #define ATH9K_2GHZ_CH14 REG_RULE(2484-10, 2484+10, 40, 0, 20,\ |
| 38 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_OFDM) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 39 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 40 | /* We allow IBSS on these on a case by case basis by regulatory domain */ |
| 41 | #define ATH9K_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 40, 0, 30,\ |
| 42 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) |
| 43 | #define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 40, 0, 30,\ |
| 44 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) |
| 45 | #define ATH9K_5GHZ_5725_5850 REG_RULE(5725-10, 5850+10, 40, 0, 30,\ |
| 46 | NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS) |
| 47 | |
| 48 | #define ATH9K_2GHZ_ALL ATH9K_2GHZ_CH01_11, \ |
| 49 | ATH9K_2GHZ_CH12_13, \ |
| 50 | ATH9K_2GHZ_CH14 |
| 51 | |
| 52 | #define ATH9K_5GHZ_ALL ATH9K_5GHZ_5150_5350, \ |
| 53 | ATH9K_5GHZ_5470_5850 |
| 54 | /* This one skips what we call "mid band" */ |
| 55 | #define ATH9K_5GHZ_NO_MIDBAND ATH9K_5GHZ_5150_5350, \ |
| 56 | ATH9K_5GHZ_5725_5850 |
| 57 | |
| 58 | /* Can be used for: |
| 59 | * 0x60, 0x61, 0x62 */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 60 | static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 61 | .n_reg_rules = 5, |
| 62 | .alpha2 = "99", |
| 63 | .reg_rules = { |
| 64 | ATH9K_2GHZ_ALL, |
| 65 | ATH9K_5GHZ_ALL, |
| 66 | } |
| 67 | }; |
| 68 | |
| 69 | /* Can be used by 0x63 and 0x65 */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 70 | static const struct ieee80211_regdomain ath_world_regdom_63_65 = { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 71 | .n_reg_rules = 4, |
| 72 | .alpha2 = "99", |
| 73 | .reg_rules = { |
| 74 | ATH9K_2GHZ_CH01_11, |
| 75 | ATH9K_2GHZ_CH12_13, |
| 76 | ATH9K_5GHZ_NO_MIDBAND, |
| 77 | } |
| 78 | }; |
| 79 | |
| 80 | /* Can be used by 0x64 only */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 81 | static const struct ieee80211_regdomain ath_world_regdom_64 = { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 82 | .n_reg_rules = 3, |
| 83 | .alpha2 = "99", |
| 84 | .reg_rules = { |
| 85 | ATH9K_2GHZ_CH01_11, |
| 86 | ATH9K_5GHZ_NO_MIDBAND, |
| 87 | } |
| 88 | }; |
| 89 | |
| 90 | /* Can be used by 0x66 and 0x69 */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 91 | static const struct ieee80211_regdomain ath_world_regdom_66_69 = { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 92 | .n_reg_rules = 3, |
| 93 | .alpha2 = "99", |
| 94 | .reg_rules = { |
| 95 | ATH9K_2GHZ_CH01_11, |
| 96 | ATH9K_5GHZ_ALL, |
| 97 | } |
| 98 | }; |
| 99 | |
| 100 | /* Can be used by 0x67, 0x6A and 0x68 */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 101 | static const struct ieee80211_regdomain ath_world_regdom_67_68_6A = { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 102 | .n_reg_rules = 4, |
| 103 | .alpha2 = "99", |
| 104 | .reg_rules = { |
| 105 | ATH9K_2GHZ_CH01_11, |
| 106 | ATH9K_2GHZ_CH12_13, |
| 107 | ATH9K_5GHZ_ALL, |
| 108 | } |
| 109 | }; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 110 | |
Bob Copeland | d0f48f9 | 2009-02-12 13:38:55 -0500 | [diff] [blame] | 111 | static inline bool is_wwr_sku(u16 regd) |
| 112 | { |
| 113 | return ((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) || |
| 114 | (regd == WORLD); |
| 115 | } |
| 116 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 117 | static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 118 | { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 119 | return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 120 | } |
| 121 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 122 | bool ath_is_world_regd(struct ath_regulatory *reg) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 123 | { |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 124 | return is_wwr_sku(ath_regd_get_eepromRD(reg)); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 125 | } |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 126 | EXPORT_SYMBOL(ath_is_world_regd); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 127 | |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 128 | static const struct ieee80211_regdomain *ath_default_world_regdomain(void) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 129 | { |
| 130 | /* this is the most restrictive */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 131 | return &ath_world_regdom_64; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 132 | } |
| 133 | |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 134 | static const struct |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 135 | ieee80211_regdomain *ath_world_regdomain(struct ath_regulatory *reg) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 136 | { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 137 | switch (reg->regpair->regDmnEnum) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 138 | case 0x60: |
| 139 | case 0x61: |
| 140 | case 0x62: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 141 | return &ath_world_regdom_60_61_62; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 142 | case 0x63: |
| 143 | case 0x65: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 144 | return &ath_world_regdom_63_65; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 145 | case 0x64: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 146 | return &ath_world_regdom_64; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 147 | case 0x66: |
| 148 | case 0x69: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 149 | return &ath_world_regdom_66_69; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 150 | case 0x67: |
| 151 | case 0x68: |
| 152 | case 0x6A: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 153 | return &ath_world_regdom_67_68_6A; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 154 | default: |
| 155 | WARN_ON(1); |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 156 | return ath_default_world_regdomain(); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 157 | } |
| 158 | } |
| 159 | |
Luis R. Rodriguez | 547e4c2 | 2009-01-28 12:17:48 -0800 | [diff] [blame] | 160 | /* Frequency is one where radar detection is required */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 161 | static bool ath_is_radar_freq(u16 center_freq) |
Luis R. Rodriguez | 547e4c2 | 2009-01-28 12:17:48 -0800 | [diff] [blame] | 162 | { |
| 163 | return (center_freq >= 5260 && center_freq <= 5700); |
| 164 | } |
| 165 | |
Luis R. Rodriguez | 7519a8f | 2009-01-28 12:17:49 -0800 | [diff] [blame] | 166 | /* |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 167 | * N.B: These exception rules do not apply radar freqs. |
| 168 | * |
| 169 | * - We enable adhoc (or beaconing) if allowed by 11d |
| 170 | * - We enable active scan if the channel is allowed by 11d |
| 171 | * - If no country IE has been processed and a we determine we have |
| 172 | * received a beacon on a channel we can enable active scan and |
| 173 | * adhoc (or beaconing). |
Luis R. Rodriguez | 7519a8f | 2009-01-28 12:17:49 -0800 | [diff] [blame] | 174 | */ |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 175 | static void |
| 176 | ath_reg_apply_beaconing_flags(struct wiphy *wiphy, |
| 177 | enum nl80211_reg_initiator initiator) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 178 | { |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 179 | enum ieee80211_band band; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 180 | struct ieee80211_supported_band *sband; |
| 181 | const struct ieee80211_reg_rule *reg_rule; |
| 182 | struct ieee80211_channel *ch; |
| 183 | unsigned int i; |
| 184 | u32 bandwidth = 0; |
| 185 | int r; |
| 186 | |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 187 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 188 | |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 189 | if (!wiphy->bands[band]) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 190 | continue; |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 191 | |
| 192 | sband = wiphy->bands[band]; |
| 193 | |
| 194 | for (i = 0; i < sband->n_channels; i++) { |
| 195 | |
| 196 | ch = &sband->channels[i]; |
| 197 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 198 | if (ath_is_radar_freq(ch->center_freq) || |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 199 | (ch->flags & IEEE80211_CHAN_RADAR)) |
| 200 | continue; |
| 201 | |
Luis R. Rodriguez | 7db90f4 | 2009-03-09 22:07:41 -0400 | [diff] [blame] | 202 | if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { |
Luis R. Rodriguez | 038659e | 2009-05-02 00:37:17 -0400 | [diff] [blame] | 203 | r = freq_reg_info(wiphy, |
| 204 | ch->center_freq, |
| 205 | bandwidth, |
| 206 | ®_rule); |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 207 | if (r) |
| 208 | continue; |
| 209 | /* |
| 210 | * If 11d had a rule for this channel ensure |
| 211 | * we enable adhoc/beaconing if it allows us to |
| 212 | * use it. Note that we would have disabled it |
| 213 | * by applying our static world regdomain by |
| 214 | * default during init, prior to calling our |
| 215 | * regulatory_hint(). |
| 216 | */ |
| 217 | if (!(reg_rule->flags & |
| 218 | NL80211_RRF_NO_IBSS)) |
| 219 | ch->flags &= |
| 220 | ~IEEE80211_CHAN_NO_IBSS; |
| 221 | if (!(reg_rule->flags & |
| 222 | NL80211_RRF_PASSIVE_SCAN)) |
| 223 | ch->flags &= |
| 224 | ~IEEE80211_CHAN_PASSIVE_SCAN; |
| 225 | } else { |
| 226 | if (ch->beacon_found) |
| 227 | ch->flags &= ~(IEEE80211_CHAN_NO_IBSS | |
| 228 | IEEE80211_CHAN_PASSIVE_SCAN); |
| 229 | } |
| 230 | } |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 231 | } |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 232 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | /* Allows active scan scan on Ch 12 and 13 */ |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 236 | static void |
| 237 | ath_reg_apply_active_scan_flags(struct wiphy *wiphy, |
| 238 | enum nl80211_reg_initiator initiator) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 239 | { |
| 240 | struct ieee80211_supported_band *sband; |
| 241 | struct ieee80211_channel *ch; |
| 242 | const struct ieee80211_reg_rule *reg_rule; |
| 243 | u32 bandwidth = 0; |
| 244 | int r; |
| 245 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 246 | sband = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 247 | |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 248 | /* |
| 249 | * If no country IE has been received always enable active scan |
| 250 | * on these channels. This is only done for specific regulatory SKUs |
| 251 | */ |
Luis R. Rodriguez | 7db90f4 | 2009-03-09 22:07:41 -0400 | [diff] [blame] | 252 | if (initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 253 | ch = &sband->channels[11]; /* CH 12 */ |
| 254 | if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 255 | ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; |
| 256 | ch = &sband->channels[12]; /* CH 13 */ |
| 257 | if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 258 | ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; |
| 259 | return; |
| 260 | } |
| 261 | |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 262 | /* |
| 263 | * If a country IE has been recieved check its rule for this |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 264 | * channel first before enabling active scan. The passive scan |
Luis R. Rodriguez | 8454086 | 2009-02-21 00:20:40 -0500 | [diff] [blame] | 265 | * would have been enforced by the initial processing of our |
| 266 | * custom regulatory domain. |
| 267 | */ |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 268 | |
| 269 | ch = &sband->channels[11]; /* CH 12 */ |
Luis R. Rodriguez | 038659e | 2009-05-02 00:37:17 -0400 | [diff] [blame] | 270 | r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 271 | if (!r) { |
| 272 | if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) |
| 273 | if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 274 | ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; |
| 275 | } |
| 276 | |
| 277 | ch = &sband->channels[12]; /* CH 13 */ |
Luis R. Rodriguez | 038659e | 2009-05-02 00:37:17 -0400 | [diff] [blame] | 278 | r = freq_reg_info(wiphy, ch->center_freq, bandwidth, ®_rule); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 279 | if (!r) { |
| 280 | if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) |
| 281 | if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 282 | ch->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | /* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */ |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 287 | static void ath_reg_apply_radar_flags(struct wiphy *wiphy) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 288 | { |
| 289 | struct ieee80211_supported_band *sband; |
| 290 | struct ieee80211_channel *ch; |
| 291 | unsigned int i; |
| 292 | |
| 293 | if (!wiphy->bands[IEEE80211_BAND_5GHZ]) |
| 294 | return; |
| 295 | |
| 296 | sband = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 297 | |
| 298 | for (i = 0; i < sband->n_channels; i++) { |
| 299 | ch = &sband->channels[i]; |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 300 | if (!ath_is_radar_freq(ch->center_freq)) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 301 | continue; |
| 302 | /* We always enable radar detection/DFS on this |
| 303 | * frequency range. Additionally we also apply on |
| 304 | * this frequency range: |
| 305 | * - If STA mode does not yet have DFS supports disable |
| 306 | * active scanning |
| 307 | * - If adhoc mode does not support DFS yet then |
| 308 | * disable adhoc in the frequency. |
| 309 | * - If AP mode does not yet support radar detection/DFS |
| 310 | * do not allow AP mode |
| 311 | */ |
| 312 | if (!(ch->flags & IEEE80211_CHAN_DISABLED)) |
| 313 | ch->flags |= IEEE80211_CHAN_RADAR | |
| 314 | IEEE80211_CHAN_NO_IBSS | |
| 315 | IEEE80211_CHAN_PASSIVE_SCAN; |
| 316 | } |
| 317 | } |
| 318 | |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 319 | static void ath_reg_apply_world_flags(struct wiphy *wiphy, |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 320 | enum nl80211_reg_initiator initiator, |
| 321 | struct ath_regulatory *reg) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 322 | { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 323 | switch (reg->regpair->regDmnEnum) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 324 | case 0x60: |
| 325 | case 0x63: |
| 326 | case 0x66: |
| 327 | case 0x67: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 328 | ath_reg_apply_beaconing_flags(wiphy, initiator); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 329 | break; |
| 330 | case 0x68: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 331 | ath_reg_apply_beaconing_flags(wiphy, initiator); |
| 332 | ath_reg_apply_active_scan_flags(wiphy, initiator); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 333 | break; |
| 334 | } |
| 335 | return; |
| 336 | } |
| 337 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 338 | int ath_reg_notifier_apply(struct wiphy *wiphy, |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 339 | struct regulatory_request *request, |
| 340 | struct ath_regulatory *reg) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 341 | { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 342 | /* We always apply this */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 343 | ath_reg_apply_radar_flags(wiphy); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 344 | |
| 345 | switch (request->initiator) { |
Luis R. Rodriguez | 7db90f4 | 2009-03-09 22:07:41 -0400 | [diff] [blame] | 346 | case NL80211_REGDOM_SET_BY_DRIVER: |
| 347 | case NL80211_REGDOM_SET_BY_CORE: |
| 348 | case NL80211_REGDOM_SET_BY_USER: |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 349 | break; |
Luis R. Rodriguez | 7db90f4 | 2009-03-09 22:07:41 -0400 | [diff] [blame] | 350 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 351 | if (ath_is_world_regd(reg)) |
| 352 | ath_reg_apply_world_flags(wiphy, request->initiator, |
| 353 | reg); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 354 | break; |
| 355 | } |
| 356 | |
| 357 | return 0; |
| 358 | } |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 359 | EXPORT_SYMBOL(ath_reg_notifier_apply); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 360 | |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 361 | static bool ath_regd_is_eeprom_valid(struct ath_regulatory *reg) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 362 | { |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 363 | u16 rd = ath_regd_get_eepromRD(reg); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 364 | int i; |
| 365 | |
| 366 | if (rd & COUNTRY_ERD_FLAG) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 367 | /* EEPROM value is a country code */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 368 | u16 cc = rd & ~COUNTRY_ERD_FLAG; |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 369 | printk(KERN_DEBUG |
| 370 | "ath: EEPROM indicates we should expect " |
| 371 | "a country code\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 372 | for (i = 0; i < ARRAY_SIZE(allCountries); i++) |
| 373 | if (allCountries[i].countryCode == cc) |
| 374 | return true; |
| 375 | } else { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 376 | /* EEPROM value is a regpair value */ |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 377 | if (rd != CTRY_DEFAULT) |
| 378 | printk(KERN_DEBUG "ath: EEPROM indicates we " |
| 379 | "should expect a direct regpair map\n"); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 380 | for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) |
| 381 | if (regDomainPairs[i].regDmnEnum == rd) |
| 382 | return true; |
| 383 | } |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 384 | printk(KERN_DEBUG |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 385 | "ath: invalid regulatory domain/country code 0x%x\n", rd); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 386 | return false; |
| 387 | } |
| 388 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 389 | /* EEPROM country code to regpair mapping */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 390 | static struct country_code_to_enum_rd* |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 391 | ath_regd_find_country(u16 countryCode) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 392 | { |
| 393 | int i; |
| 394 | |
| 395 | for (i = 0; i < ARRAY_SIZE(allCountries); i++) { |
| 396 | if (allCountries[i].countryCode == countryCode) |
| 397 | return &allCountries[i]; |
| 398 | } |
| 399 | return NULL; |
| 400 | } |
| 401 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 402 | /* EEPROM rd code to regpair mapping */ |
| 403 | static struct country_code_to_enum_rd* |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 404 | ath_regd_find_country_by_rd(int regdmn) |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 405 | { |
| 406 | int i; |
| 407 | |
| 408 | for (i = 0; i < ARRAY_SIZE(allCountries); i++) { |
| 409 | if (allCountries[i].regDmnEnum == regdmn) |
| 410 | return &allCountries[i]; |
| 411 | } |
| 412 | return NULL; |
| 413 | } |
| 414 | |
| 415 | /* Returns the map of the EEPROM set RD to a country code */ |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 416 | static u16 ath_regd_get_default_country(u16 rd) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 417 | { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 418 | if (rd & COUNTRY_ERD_FLAG) { |
| 419 | struct country_code_to_enum_rd *country = NULL; |
| 420 | u16 cc = rd & ~COUNTRY_ERD_FLAG; |
| 421 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 422 | country = ath_regd_find_country(cc); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 423 | if (country != NULL) |
| 424 | return cc; |
| 425 | } |
| 426 | |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 427 | return CTRY_DEFAULT; |
| 428 | } |
| 429 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 430 | static struct reg_dmn_pair_mapping* |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 431 | ath_get_regpair(int regdmn) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 432 | { |
| 433 | int i; |
| 434 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 435 | if (regdmn == NO_ENUMRD) |
| 436 | return NULL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 437 | for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) { |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 438 | if (regDomainPairs[i].regDmnEnum == regdmn) |
| 439 | return ®DomainPairs[i]; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 440 | } |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 441 | return NULL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 442 | } |
| 443 | |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 444 | static int |
| 445 | ath_regd_init_wiphy(struct ath_regulatory *reg, |
| 446 | struct wiphy *wiphy, |
| 447 | int (*reg_notifier)(struct wiphy *wiphy, |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 448 | struct regulatory_request *request)) |
| 449 | { |
| 450 | const struct ieee80211_regdomain *regd; |
| 451 | |
| 452 | wiphy->reg_notifier = reg_notifier; |
| 453 | wiphy->strict_regulatory = true; |
| 454 | |
| 455 | if (ath_is_world_regd(reg)) { |
| 456 | /* |
| 457 | * Anything applied here (prior to wiphy registration) gets |
| 458 | * saved on the wiphy orig_* parameters |
| 459 | */ |
| 460 | regd = ath_world_regdomain(reg); |
| 461 | wiphy->custom_regulatory = true; |
| 462 | wiphy->strict_regulatory = false; |
| 463 | } else { |
| 464 | /* |
| 465 | * This gets applied in the case of the absense of CRDA, |
| 466 | * it's our own custom world regulatory domain, similar to |
| 467 | * cfg80211's but we enable passive scanning. |
| 468 | */ |
| 469 | regd = ath_default_world_regdomain(); |
| 470 | } |
| 471 | wiphy_apply_custom_regulatory(wiphy, regd); |
| 472 | ath_reg_apply_radar_flags(wiphy); |
| 473 | ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg); |
| 474 | return 0; |
| 475 | } |
| 476 | |
Luis R. Rodriguez | 6b2b2ff | 2009-03-30 22:30:34 -0400 | [diff] [blame] | 477 | int |
| 478 | ath_regd_init(struct ath_regulatory *reg, |
| 479 | struct wiphy *wiphy, |
| 480 | int (*reg_notifier)(struct wiphy *wiphy, |
| 481 | struct regulatory_request *request)) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 482 | { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 483 | struct country_code_to_enum_rd *country = NULL; |
Bob Copeland | e775aaf | 2009-02-12 13:38:54 -0500 | [diff] [blame] | 484 | u16 regdmn; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 485 | |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 486 | if (!reg) |
| 487 | return -EINVAL; |
| 488 | |
| 489 | printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd); |
| 490 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 491 | if (!ath_regd_is_eeprom_valid(reg)) { |
Luis R. Rodriguez | 85efc86 | 2009-04-13 21:41:46 -0400 | [diff] [blame] | 492 | printk(KERN_ERR "ath: Invalid EEPROM contents\n"); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 493 | return -EINVAL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 494 | } |
| 495 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 496 | regdmn = ath_regd_get_eepromRD(reg); |
| 497 | reg->country_code = ath_regd_get_default_country(regdmn); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 498 | |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 499 | if (reg->country_code == CTRY_DEFAULT && |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 500 | regdmn == CTRY_DEFAULT) { |
| 501 | printk(KERN_DEBUG "ath: EEPROM indicates default " |
| 502 | "country code should be used\n"); |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 503 | reg->country_code = CTRY_UNITED_STATES; |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 504 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 505 | |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 506 | if (reg->country_code == CTRY_DEFAULT) { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 507 | country = NULL; |
| 508 | } else { |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 509 | printk(KERN_DEBUG "ath: doing EEPROM country->regdmn " |
| 510 | "map search\n"); |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 511 | country = ath_regd_find_country(reg->country_code); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 512 | if (country == NULL) { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 513 | printk(KERN_DEBUG |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 514 | "ath: no valid country maps found for " |
| 515 | "country code: 0x%0x\n", |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 516 | reg->country_code); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 517 | return -EINVAL; |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 518 | } else { |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 519 | regdmn = country->regDmnEnum; |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 520 | printk(KERN_DEBUG "ath: country maps to " |
| 521 | "regdmn code: 0x%0x\n", |
| 522 | regdmn); |
| 523 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 524 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 525 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 526 | reg->regpair = ath_get_regpair(regdmn); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 527 | |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 528 | if (!reg->regpair) { |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 529 | printk(KERN_DEBUG "ath: " |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 530 | "No regulatory domain pair found, cannot continue\n"); |
| 531 | return -EINVAL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 532 | } |
| 533 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 534 | if (!country) |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 535 | country = ath_regd_find_country_by_rd(regdmn); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 536 | |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 537 | if (country) { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 538 | reg->alpha2[0] = country->isoName[0]; |
| 539 | reg->alpha2[1] = country->isoName[1]; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 540 | } else { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 541 | reg->alpha2[0] = '0'; |
| 542 | reg->alpha2[1] = '0'; |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 543 | } |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 544 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 545 | printk(KERN_DEBUG "ath: Country alpha2 being used: %c%c\n", |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 546 | reg->alpha2[0], reg->alpha2[1]); |
Luis R. Rodriguez | e03e5ffd | 2009-06-02 16:30:56 -0400 | [diff] [blame] | 547 | printk(KERN_DEBUG "ath: Regpair used: 0x%0x\n", |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 548 | reg->regpair->regDmnEnum); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 549 | |
Bob Copeland | e3bb249 | 2009-03-30 22:30:30 -0400 | [diff] [blame] | 550 | ath_regd_init_wiphy(reg, wiphy, reg_notifier); |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 551 | return 0; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 552 | } |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 553 | EXPORT_SYMBOL(ath_regd_init); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 554 | |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 555 | u32 ath_regd_get_band_ctl(struct ath_regulatory *reg, |
| 556 | enum ieee80211_band band) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 557 | { |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 558 | if (!reg->regpair || |
| 559 | (reg->country_code == CTRY_DEFAULT && |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 560 | is_wwr_sku(ath_regd_get_eepromRD(reg)))) { |
Bob Copeland | fc2ada3 | 2009-03-30 22:30:27 -0400 | [diff] [blame] | 561 | return SD_NO_CTL; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 562 | } |
Luis R. Rodriguez | 5f8e077 | 2009-01-22 15:16:48 -0800 | [diff] [blame] | 563 | |
Bob Copeland | fc2ada3 | 2009-03-30 22:30:27 -0400 | [diff] [blame] | 564 | switch (band) { |
| 565 | case IEEE80211_BAND_2GHZ: |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 566 | return reg->regpair->reg_2ghz_ctl; |
Bob Copeland | fc2ada3 | 2009-03-30 22:30:27 -0400 | [diff] [blame] | 567 | case IEEE80211_BAND_5GHZ: |
Bob Copeland | c02cf37 | 2009-03-30 22:30:28 -0400 | [diff] [blame] | 568 | return reg->regpair->reg_5ghz_ctl; |
Bob Copeland | fc2ada3 | 2009-03-30 22:30:27 -0400 | [diff] [blame] | 569 | default: |
| 570 | return NO_CTL; |
| 571 | } |
| 572 | |
| 573 | return NO_CTL; |
| 574 | } |
Bob Copeland | 3a702e4 | 2009-03-30 22:30:29 -0400 | [diff] [blame] | 575 | EXPORT_SYMBOL(ath_regd_get_band_ctl); |