blob: 3cc9e69880a80ab90d1dc872c0f87c7263e0f9fe [file] [log] [blame]
John W. Linville3b377ea2009-12-18 17:59:01 -05001#!/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
15BEGIN {
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>"
24 print ""
25 regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
26}
27
28/^[ \t]*#/ {
John W. Linvillef83d6642009-12-25 16:35:43 -080029 # Ignore
John W. Linville3b377ea2009-12-18 17:59:01 -050030}
31
32!active && /^[ \t]*$/ {
John W. Linvillef83d6642009-12-25 16:35:43 -080033 # Ignore
John W. Linville3b377ea2009-12-18 17:59:01 -050034}
35
36!active && /country/ {
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 printf "\t.reg_rules = {\n"
42 active = 1
43 regdb = regdb "\t&regdom_" country ",\n"
44}
45
46active && /^[ \t]*\(/ {
47 start = $1
48 sub(/\(/, "", start)
49 end = $3
50 bw = $5
51 sub(/\),/, "", bw)
52 gain = $6
53 sub(/\(/, "", gain)
54 sub(/,/, "", gain)
55 power = $7
56 sub(/\)/, "", power)
57 sub(/,/, "", power)
58 # power might be in mW...
59 units = $8
60 sub(/\)/, "", units)
61 sub(/,/, "", units)
62 if (units == "mW") {
63 if (power == 100) {
64 power = 20
65 } else if (power == 200) {
66 power = 23
67 } else if (power == 500) {
68 power = 27
69 } else if (power == 1000) {
70 power = 30
71 } else {
72 print "Unknown power value in database!"
73 }
74 }
75 flagstr = ""
76 for (i=8; i<=NF; i++)
77 flagstr = flagstr $i
78 split(flagstr, flagarray, ",")
79 flags = ""
80 for (arg in flagarray) {
81 if (flagarray[arg] == "NO-OFDM") {
82 flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
83 } else if (flagarray[arg] == "NO-CCK") {
84 flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
85 } else if (flagarray[arg] == "NO-INDOOR") {
86 flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
87 } else if (flagarray[arg] == "NO-OUTDOOR") {
88 flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
89 } else if (flagarray[arg] == "DFS") {
90 flags = flags "\n\t\t\tNL80211_RRF_DFS | "
91 } else if (flagarray[arg] == "PTP-ONLY") {
92 flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
93 } else if (flagarray[arg] == "PTMP-ONLY") {
94 flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
95 } else if (flagarray[arg] == "PASSIVE-SCAN") {
96 flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
97 } else if (flagarray[arg] == "NO-IBSS") {
98 flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
99 }
100 }
101 flags = flags "0"
102 printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
103 rules++
104}
105
106active && /^[ \t]*$/ {
107 active = 0
108 printf "\t},\n"
109 printf "\t.n_reg_rules = %d\n", rules
110 printf "};\n\n"
111 rules = 0;
112}
113
114END {
115 print regdb "};"
116 print ""
117 print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
118}