tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * Copyright (c) 2004, 2005 Reyk Floeter <reyk@vantronix.net>
3 *
4 * Permission to use, copy, modify, and 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/*
18 * Basic regulation domain extensions for the IEEE 802.11 stack
19 */
20
21#include <linux/kernel.h>
22#include <linux/string.h>
23
24#include "regdom.h"
25
26static const struct ath5k_regdommap {
27 enum ath5k_regdom dmn;
28 enum ath5k_regdom dmn5;
29 enum ath5k_regdom dmn2;
30} r_map[] = {
31 { DMN_DEFAULT, DMN_DEBUG, DMN_DEBUG },
32 { DMN_NULL_WORLD, DMN_NULL, DMN_WORLD },
33 { DMN_NULL_ETSIB, DMN_NULL, DMN_ETSIB },
34 { DMN_NULL_ETSIC, DMN_NULL, DMN_ETSIC },
35 { DMN_FCC1_FCCA, DMN_FCC1, DMN_FCCA },
36 { DMN_FCC1_WORLD, DMN_FCC1, DMN_WORLD },
37 { DMN_FCC2_FCCA, DMN_FCC2, DMN_FCCA },
38 { DMN_FCC2_WORLD, DMN_FCC2, DMN_WORLD },
39 { DMN_FCC2_ETSIC, DMN_FCC2, DMN_ETSIC },
40 { DMN_FRANCE_NULL, DMN_ETSI3, DMN_ETSI3 },
41 { DMN_FCC3_FCCA, DMN_FCC3, DMN_WORLD },
42 { DMN_ETSI1_WORLD, DMN_ETSI1, DMN_WORLD },
43 { DMN_ETSI3_ETSIA, DMN_ETSI3, DMN_WORLD },
44 { DMN_ETSI2_WORLD, DMN_ETSI2, DMN_WORLD },
45 { DMN_ETSI3_WORLD, DMN_ETSI3, DMN_WORLD },
46 { DMN_ETSI4_WORLD, DMN_ETSI4, DMN_WORLD },
47 { DMN_ETSI4_ETSIC, DMN_ETSI4, DMN_ETSIC },
48 { DMN_ETSI5_WORLD, DMN_ETSI5, DMN_WORLD },
49 { DMN_ETSI6_WORLD, DMN_ETSI6, DMN_WORLD },
50 { DMN_ETSI_NULL, DMN_ETSI1, DMN_ETSI1 },
51 { DMN_MKK1_MKKA, DMN_MKK1, DMN_MKKA },
52 { DMN_MKK1_MKKB, DMN_MKK1, DMN_MKKA },
53 { DMN_APL4_WORLD, DMN_APL4, DMN_WORLD },
54 { DMN_MKK2_MKKA, DMN_MKK2, DMN_MKKA },
55 { DMN_APL_NULL, DMN_APL1, DMN_NULL },
56 { DMN_APL2_WORLD, DMN_APL2, DMN_WORLD },
57 { DMN_APL2_APLC, DMN_APL2, DMN_WORLD },
58 { DMN_APL3_WORLD, DMN_APL3, DMN_WORLD },
59 { DMN_MKK1_FCCA, DMN_MKK1, DMN_FCCA },
60 { DMN_APL2_APLD, DMN_APL2, DMN_APLD },
61 { DMN_MKK1_MKKA1, DMN_MKK1, DMN_MKKA },
62 { DMN_MKK1_MKKA2, DMN_MKK1, DMN_MKKA },
63 { DMN_APL1_WORLD, DMN_APL1, DMN_WORLD },
64 { DMN_APL1_FCCA, DMN_APL1, DMN_FCCA },
65 { DMN_APL1_APLA, DMN_APL1, DMN_WORLD },
66 { DMN_APL1_ETSIC, DMN_APL1, DMN_ETSIC },
67 { DMN_APL2_ETSIC, DMN_APL2, DMN_ETSIC },
68 { DMN_APL5_WORLD, DMN_APL5, DMN_WORLD },
69 { DMN_WOR0_WORLD, DMN_WORLD, DMN_WORLD },
70 { DMN_WOR1_WORLD, DMN_WORLD, DMN_WORLD },
71 { DMN_WOR2_WORLD, DMN_WORLD, DMN_WORLD },
72 { DMN_WOR3_WORLD, DMN_WORLD, DMN_WORLD },
73 { DMN_WOR4_WORLD, DMN_WORLD, DMN_WORLD },
74 { DMN_WOR5_ETSIC, DMN_WORLD, DMN_WORLD },
75 { DMN_WOR01_WORLD, DMN_WORLD, DMN_WORLD },
76 { DMN_WOR02_WORLD, DMN_WORLD, DMN_WORLD },
77 { DMN_EU1_WORLD, DMN_ETSI1, DMN_WORLD },
78 { DMN_WOR9_WORLD, DMN_WORLD, DMN_WORLD },
79 { DMN_WORA_WORLD, DMN_WORLD, DMN_WORLD },
80};
81
82enum ath5k_regdom ath5k_regdom2flag(enum ath5k_regdom dmn, u16 mhz)
83{
84 unsigned int i;
85
86 for (i = 0; i < ARRAY_SIZE(r_map); i++) {
87 if (r_map[i].dmn == dmn) {
88 if (mhz >= 2000 && mhz <= 3000)
89 return r_map[i].dmn2;
90 if (mhz >= IEEE80211_CHANNELS_5GHZ_MIN &&
91 mhz <= IEEE80211_CHANNELS_5GHZ_MAX)
92 return r_map[i].dmn5;
93 }
94 }
95
96 return DMN_DEBUG;
97}
98
99u16 ath5k_regdom_from_ieee(enum ath5k_regdom ieee)
100{
101 u32 regdomain = (u32)ieee;
102
103 /*
104 * Use the default regulation domain if the value is empty
105 * or not supported by the net80211 regulation code.
106 */
107 if (ath5k_regdom2flag(regdomain, IEEE80211_CHANNELS_5GHZ_MIN) ==
108 DMN_DEBUG)
109 return (u16)AR5K_TUNE_REGDOMAIN;
110
111 /* It is supported, just return the value */
112 return regdomain;
113}
114
115enum ath5k_regdom ath5k_regdom_to_ieee(u16 regdomain)
116{
117 enum ath5k_regdom ieee = (enum ath5k_regdom)regdomain;
118
119 return ieee;
120}
121