This source file includes following definitions.
- bsearch
- ieee80211_regdomain_compare_cn
- ieee80211_regdomain_compare_rn
- ieee80211_name2countrycode
- ieee80211_name2regdomain
- ieee80211_countrycode2name
- ieee80211_regdomain2name
- ieee80211_regdomain2flag
- ieee80211_countrycode2regdomain
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23 #include <sys/param.h>
24 #include <sys/systm.h>
25 #include <sys/mbuf.h>
26 #include <sys/kernel.h>
27 #include <sys/socket.h>
28 #include <sys/sockio.h>
29 #include <sys/endian.h>
30 #include <sys/errno.h>
31
32 #include <net/if.h>
33 #include <net/if_dl.h>
34 #include <net/if_media.h>
35 #include <net/if_arp.h>
36 #include <net/if_llc.h>
37
38 #ifdef INET
39 #include <netinet/in.h>
40 #include <netinet/if_ether.h>
41 #endif
42
43 #include <net80211/ieee80211_var.h>
44 #include <net80211/ieee80211_regdomain.h>
45
46 int ieee80211_regdomain_compare_cn(const void *, const void *);
47 int ieee80211_regdomain_compare_rn(const void *, const void *);
48
49 static const struct ieee80211_regdomainname
50 ieee80211_r_names[] = IEEE80211_REGDOMAIN_NAMES;
51
52 static const struct ieee80211_regdomainmap
53 ieee80211_r_map[] = IEEE80211_REGDOMAIN_MAP;
54
55 static const struct ieee80211_countryname
56 ieee80211_r_ctry[] = IEEE80211_REGDOMAIN_COUNTRY_NAMES;
57
58 #ifndef bsearch
59 const void *bsearch(const void *, const void *, size_t, size_t,
60 int (*)(const void *, const void *));
61
62 const void *
63 bsearch(const void *key, const void *base0, size_t nmemb, size_t size,
64 int (*compar)(const void *, const void *))
65 {
66 const char *base = base0;
67 int lim, cmp;
68 const void *p;
69
70 for (lim = nmemb; lim != 0; lim >>= 1) {
71 p = base + (lim >> 1) * size;
72 cmp = (*compar)(key, p);
73 if (cmp == 0)
74 return ((const void *)p);
75 if (cmp > 0) {
76 base = (const char *)p + size;
77 lim--;
78 }
79 }
80 return (NULL);
81 }
82 #endif
83
84 int
85 ieee80211_regdomain_compare_cn(const void *a, const void *b)
86 {
87 return (strcmp(((const struct ieee80211_countryname*)a)->cn_name,
88 ((const struct ieee80211_countryname*)b)->cn_name));
89 }
90
91 int
92 ieee80211_regdomain_compare_rn(const void *a, const void *b)
93 {
94 return (strcmp(((const struct ieee80211_regdomainname*)a)->rn_name,
95 ((const struct ieee80211_regdomainname*)b)->rn_name));
96 }
97
98 u_int16_t
99 ieee80211_name2countrycode(const char *name)
100 {
101 const struct ieee80211_countryname key = { CTRY_DEFAULT, name }, *value;
102
103 if ((value = bsearch(&key, &ieee80211_r_ctry,
104 sizeof(ieee80211_r_ctry) / sizeof(ieee80211_r_ctry[0]),
105 sizeof(struct ieee80211_countryname),
106 ieee80211_regdomain_compare_cn)) != NULL)
107 return (value->cn_code);
108
109 return (CTRY_DEFAULT);
110 }
111
112 u_int32_t
113 ieee80211_name2regdomain(const char *name)
114 {
115 const struct ieee80211_regdomainname *value;
116 struct ieee80211_regdomainname key;
117
118 key.rn_domain = DMN_DEFAULT;
119 key.rn_name = name;
120
121 if ((value = bsearch(&key, &ieee80211_r_names,
122 sizeof(ieee80211_r_names) / sizeof(ieee80211_r_names[0]),
123 sizeof(struct ieee80211_regdomainname),
124 ieee80211_regdomain_compare_rn)) != NULL)
125 return ((u_int32_t)value->rn_domain);
126
127 return ((u_int32_t)DMN_DEFAULT);
128 }
129
130 const char *
131 ieee80211_countrycode2name(u_int16_t code)
132 {
133 int i;
134
135
136 for (i = 0; i < (sizeof(ieee80211_r_ctry) /
137 sizeof(ieee80211_r_ctry[0])); i++)
138 if (ieee80211_r_ctry[i].cn_code == code)
139 return (ieee80211_r_ctry[i].cn_name);
140
141 return (NULL);
142 }
143
144 const char *
145 ieee80211_regdomain2name(u_int32_t regdomain)
146 {
147 int i;
148
149
150 for (i = 0; i < (sizeof(ieee80211_r_names) /
151 sizeof(ieee80211_r_names[0])); i++)
152 if (ieee80211_r_names[i].rn_domain == regdomain)
153 return (ieee80211_r_names[i].rn_name);
154
155 return (ieee80211_r_names[0].rn_name);
156 }
157
158 u_int32_t
159 ieee80211_regdomain2flag(u_int16_t regdomain, u_int16_t mhz)
160 {
161 int i;
162
163 for (i = 0; i < (sizeof(ieee80211_r_map) /
164 sizeof(ieee80211_r_map[0])); i++) {
165 if (ieee80211_r_map[i].rm_domain == regdomain) {
166 if (mhz >= 2000 && mhz <= 3000)
167 return ((u_int32_t)
168 ieee80211_r_map[i].rm_domain_2ghz);
169 if (mhz >= IEEE80211_CHANNELS_5GHZ_MIN &&
170 mhz <= IEEE80211_CHANNELS_5GHZ_MAX)
171 return ((u_int32_t)
172 ieee80211_r_map[i].rm_domain_5ghz);
173 }
174 }
175
176 return ((u_int32_t)DMN_DEBUG);
177 }
178
179 u_int32_t
180 ieee80211_countrycode2regdomain(u_int16_t code)
181 {
182 int i;
183
184 for (i = 0;
185 i < (sizeof(ieee80211_r_ctry) / sizeof(ieee80211_r_ctry[0])); i++)
186 if (ieee80211_r_ctry[i].cn_code == code)
187 return (ieee80211_r_ctry[i].cn_domain);
188
189 return ((u_int32_t)DMN_DEFAULT);
190 }