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1 | #!/usr/bin/awk -f |
2 | # |
3 | # genregdb.awk -- generate regdb.c from db.txt |
4 | # |
5 | # Actually, it reads from stdin (presumed to be db.txt) and writes |
6 | # to stdout (presumed to be regdb.c), but close enough... |
7 | # |
8 | # Copyright 2009 John W. Linville <linville@tuxdriver.com> |
9 | # |
10 | # Permission to use, copy, modify, and/or distribute this software for any |
11 | # purpose with or without fee is hereby granted, provided that the above |
12 | # copyright notice and this permission notice appear in all copies. |
13 | # |
14 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
15 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
16 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
17 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
18 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
19 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
20 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
21 | |
22 | BEGIN { |
23 | active = 0 |
24 | rules = 0; |
25 | print "/*" |
26 | print " * DO NOT EDIT -- file generated from data in db.txt" |
27 | print " */" |
28 | print "" |
29 | print "#include <linux/nl80211.h>" |
30 | print "#include <net/cfg80211.h>" |
31 | print "#include \"regdb.h\"" |
32 | print "" |
33 | regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" |
34 | } |
35 | |
36 | function parse_country_head() { |
37 | country=$2 |
38 | sub(/:/, "", country) |
39 | printf "static const struct ieee80211_regdomain regdom_%s = {\n", country |
40 | printf "\t.alpha2 = \"%s\",\n", country |
41 | if ($NF ~ /DFS-ETSI/) |
42 | printf "\t.dfs_region = NL80211_DFS_ETSI,\n" |
43 | else if ($NF ~ /DFS-FCC/) |
44 | printf "\t.dfs_region = NL80211_DFS_FCC,\n" |
45 | else if ($NF ~ /DFS-JP/) |
46 | printf "\t.dfs_region = NL80211_DFS_JP,\n" |
47 | printf "\t.reg_rules = {\n" |
48 | active = 1 |
49 | regdb = regdb "\t®dom_" country ",\n" |
50 | } |
51 | |
52 | function parse_reg_rule() |
53 | { |
54 | start = $1 |
55 | sub(/\(/, "", start) |
56 | end = $3 |
57 | bw = $5 |
58 | sub(/\),/, "", bw) |
59 | gain = $6 |
60 | sub(/\(/, "", gain) |
61 | sub(/,/, "", gain) |
62 | power = $7 |
63 | sub(/\)/, "", power) |
64 | sub(/,/, "", power) |
65 | # power might be in mW... |
66 | units = $8 |
67 | sub(/\)/, "", units) |
68 | sub(/,/, "", units) |
69 | dfs_cac = $9 |
70 | if (units == "mW") { |
71 | if (power == 100) { |
72 | power = 20 |
73 | } else if (power == 200) { |
74 | power = 23 |
75 | } else if (power == 500) { |
76 | power = 27 |
77 | } else if (power == 1000) { |
78 | power = 30 |
79 | } else { |
80 | print "Unknown power value in database!" |
81 | } |
82 | } else { |
83 | dfs_cac = $8 |
84 | } |
85 | sub(/,/, "", dfs_cac) |
86 | sub(/\(/, "", dfs_cac) |
87 | sub(/\)/, "", dfs_cac) |
88 | flagstr = "" |
89 | for (i=8; i<=NF; i++) |
90 | flagstr = flagstr $i |
91 | split(flagstr, flagarray, ",") |
92 | flags = "" |
93 | for (arg in flagarray) { |
94 | if (flagarray[arg] == "NO-OFDM") { |
95 | flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " |
96 | } else if (flagarray[arg] == "NO-CCK") { |
97 | flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " |
98 | } else if (flagarray[arg] == "NO-INDOOR") { |
99 | flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " |
100 | } else if (flagarray[arg] == "NO-OUTDOOR") { |
101 | flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " |
102 | } else if (flagarray[arg] == "DFS") { |
103 | flags = flags "\n\t\t\tNL80211_RRF_DFS | " |
104 | } else if (flagarray[arg] == "PTP-ONLY") { |
105 | flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " |
106 | } else if (flagarray[arg] == "PTMP-ONLY") { |
107 | flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " |
108 | } else if (flagarray[arg] == "PASSIVE-SCAN") { |
109 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " |
110 | } else if (flagarray[arg] == "NO-IBSS") { |
111 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " |
112 | } else if (flagarray[arg] == "NO-IR") { |
113 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " |
114 | } else if (flagarray[arg] == "AUTO-BW") { |
115 | flags = flags "\n\t\t\tNL80211_RRF_AUTO_BW | " |
116 | } |
117 | |
118 | } |
119 | flags = flags "0" |
120 | printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags |
121 | rules++ |
122 | } |
123 | |
124 | function print_tail_country() |
125 | { |
126 | active = 0 |
127 | printf "\t},\n" |
128 | printf "\t.n_reg_rules = %d\n", rules |
129 | printf "};\n\n" |
130 | rules = 0; |
131 | } |
132 | |
133 | /^[ \t]*#/ { |
134 | # Ignore |
135 | } |
136 | |
137 | !active && /^[ \t]*$/ { |
138 | # Ignore |
139 | } |
140 | |
141 | !active && /country/ { |
142 | parse_country_head() |
143 | } |
144 | |
145 | active && /^[ \t]*\(/ { |
146 | parse_reg_rule() |
147 | } |
148 | |
149 | active && /^[ \t]*$/ { |
150 | print_tail_country() |
151 | } |
152 | |
153 | END { |
154 | if (active) |
155 | print_tail_country() |
156 | print regdb "};" |
157 | print "" |
158 | print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" |
159 | } |
160 |
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