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3b377ea9 JL |
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 | # This program is free software; you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License version 2 as | |
12 | # published by the Free Software Foundation. | |
13 | # | |
14 | ||
15 | BEGIN { | |
16 | active = 0 | |
17 | rules = 0; | |
18 | print "/*" | |
19 | print " * DO NOT EDIT -- file generated from data in db.txt" | |
20 | print " */" | |
21 | print "" | |
22 | print "#include <linux/nl80211.h>" | |
23 | print "#include <net/cfg80211.h>" | |
2ea6fb6d | 24 | print "#include \"regdb.h\"" |
3b377ea9 JL |
25 | print "" |
26 | regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" | |
27 | } | |
28 | ||
29 | /^[ \t]*#/ { | |
f83d664e | 30 | # Ignore |
3b377ea9 JL |
31 | } |
32 | ||
33 | !active && /^[ \t]*$/ { | |
f83d664e | 34 | # Ignore |
3b377ea9 JL |
35 | } |
36 | ||
37 | !active && /country/ { | |
38 | country=$2 | |
39 | sub(/:/, "", country) | |
40 | printf "static const struct ieee80211_regdomain regdom_%s = {\n", country | |
41 | printf "\t.alpha2 = \"%s\",\n", country | |
42 | printf "\t.reg_rules = {\n" | |
43 | active = 1 | |
44 | regdb = regdb "\t®dom_" country ",\n" | |
45 | } | |
46 | ||
47 | active && /^[ \t]*\(/ { | |
48 | start = $1 | |
49 | sub(/\(/, "", start) | |
50 | end = $3 | |
51 | bw = $5 | |
52 | sub(/\),/, "", bw) | |
53 | gain = $6 | |
54 | sub(/\(/, "", gain) | |
55 | sub(/,/, "", gain) | |
56 | power = $7 | |
57 | sub(/\)/, "", power) | |
58 | sub(/,/, "", power) | |
59 | # power might be in mW... | |
60 | units = $8 | |
61 | sub(/\)/, "", units) | |
62 | sub(/,/, "", units) | |
63 | if (units == "mW") { | |
64 | if (power == 100) { | |
65 | power = 20 | |
66 | } else if (power == 200) { | |
67 | power = 23 | |
68 | } else if (power == 500) { | |
69 | power = 27 | |
70 | } else if (power == 1000) { | |
71 | power = 30 | |
72 | } else { | |
73 | print "Unknown power value in database!" | |
74 | } | |
75 | } | |
76 | flagstr = "" | |
77 | for (i=8; i<=NF; i++) | |
78 | flagstr = flagstr $i | |
79 | split(flagstr, flagarray, ",") | |
80 | flags = "" | |
81 | for (arg in flagarray) { | |
82 | if (flagarray[arg] == "NO-OFDM") { | |
83 | flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " | |
84 | } else if (flagarray[arg] == "NO-CCK") { | |
85 | flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " | |
86 | } else if (flagarray[arg] == "NO-INDOOR") { | |
87 | flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " | |
88 | } else if (flagarray[arg] == "NO-OUTDOOR") { | |
89 | flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " | |
90 | } else if (flagarray[arg] == "DFS") { | |
91 | flags = flags "\n\t\t\tNL80211_RRF_DFS | " | |
92 | } else if (flagarray[arg] == "PTP-ONLY") { | |
93 | flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " | |
94 | } else if (flagarray[arg] == "PTMP-ONLY") { | |
95 | flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " | |
96 | } else if (flagarray[arg] == "PASSIVE-SCAN") { | |
97 | flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | " | |
98 | } else if (flagarray[arg] == "NO-IBSS") { | |
99 | flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | " | |
100 | } | |
101 | } | |
102 | flags = flags "0" | |
103 | printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags | |
104 | rules++ | |
105 | } | |
106 | ||
107 | active && /^[ \t]*$/ { | |
108 | active = 0 | |
109 | printf "\t},\n" | |
110 | printf "\t.n_reg_rules = %d\n", rules | |
111 | printf "};\n\n" | |
112 | rules = 0; | |
113 | } | |
114 | ||
115 | END { | |
116 | print regdb "};" | |
117 | print "" | |
118 | print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" | |
119 | } |