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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 | # | |
3b77d5ec LR |
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. | |
3b377ea9 | 13 | # |
3b77d5ec LR |
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. | |
3b377ea9 JL |
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>" | |
2ea6fb6d | 31 | print "#include \"regdb.h\"" |
3b377ea9 JL |
32 | print "" |
33 | regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" | |
34 | } | |
35 | ||
36 | /^[ \t]*#/ { | |
f83d664e | 37 | # Ignore |
3b377ea9 JL |
38 | } |
39 | ||
40 | !active && /^[ \t]*$/ { | |
f83d664e | 41 | # Ignore |
3b377ea9 JL |
42 | } |
43 | ||
44 | !active && /country/ { | |
45 | country=$2 | |
46 | sub(/:/, "", country) | |
47 | printf "static const struct ieee80211_regdomain regdom_%s = {\n", country | |
48 | printf "\t.alpha2 = \"%s\",\n", country | |
49 | printf "\t.reg_rules = {\n" | |
50 | active = 1 | |
51 | regdb = regdb "\t®dom_" country ",\n" | |
52 | } | |
53 | ||
54 | active && /^[ \t]*\(/ { | |
55 | start = $1 | |
56 | sub(/\(/, "", start) | |
57 | end = $3 | |
58 | bw = $5 | |
59 | sub(/\),/, "", bw) | |
60 | gain = $6 | |
61 | sub(/\(/, "", gain) | |
62 | sub(/,/, "", gain) | |
63 | power = $7 | |
64 | sub(/\)/, "", power) | |
65 | sub(/,/, "", power) | |
66 | # power might be in mW... | |
67 | units = $8 | |
68 | sub(/\)/, "", units) | |
69 | sub(/,/, "", units) | |
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 | } | |
83 | flagstr = "" | |
84 | for (i=8; i<=NF; i++) | |
85 | flagstr = flagstr $i | |
86 | split(flagstr, flagarray, ",") | |
87 | flags = "" | |
88 | for (arg in flagarray) { | |
89 | if (flagarray[arg] == "NO-OFDM") { | |
90 | flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " | |
91 | } else if (flagarray[arg] == "NO-CCK") { | |
92 | flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " | |
93 | } else if (flagarray[arg] == "NO-INDOOR") { | |
94 | flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " | |
95 | } else if (flagarray[arg] == "NO-OUTDOOR") { | |
96 | flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " | |
97 | } else if (flagarray[arg] == "DFS") { | |
98 | flags = flags "\n\t\t\tNL80211_RRF_DFS | " | |
99 | } else if (flagarray[arg] == "PTP-ONLY") { | |
100 | flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " | |
101 | } else if (flagarray[arg] == "PTMP-ONLY") { | |
102 | flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " | |
103 | } else if (flagarray[arg] == "PASSIVE-SCAN") { | |
104 | flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | " | |
105 | } else if (flagarray[arg] == "NO-IBSS") { | |
106 | flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | " | |
107 | } | |
108 | } | |
109 | flags = flags "0" | |
110 | printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags | |
111 | rules++ | |
112 | } | |
113 | ||
114 | active && /^[ \t]*$/ { | |
115 | active = 0 | |
116 | printf "\t},\n" | |
117 | printf "\t.n_reg_rules = %d\n", rules | |
118 | printf "};\n\n" | |
119 | rules = 0; | |
120 | } | |
121 | ||
122 | END { | |
123 | print regdb "};" | |
124 | print "" | |
125 | print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" | |
126 | } |