blob: 9392f8cbb901d605769bbd6bb0fd048b3f884328 [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#
Luis R. Rodriguez3b77d5e2011-12-20 12:23:38 -080010# 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.
John W. Linville3b377ea2009-12-18 17:59:01 -050013#
Luis R. Rodriguez3b77d5e2011-12-20 12:23:38 -080014# 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.
John W. Linville3b377ea2009-12-18 17:59:01 -050021
22BEGIN {
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>"
John W. Linville2ea6fb62010-07-20 12:29:14 -040031 print "#include \"regdb.h\""
John W. Linville3b377ea2009-12-18 17:59:01 -050032 print ""
33 regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
34}
35
36/^[ \t]*#/ {
John W. Linvillef83d6642009-12-25 16:35:43 -080037 # Ignore
John W. Linville3b377ea2009-12-18 17:59:01 -050038}
39
40!active && /^[ \t]*$/ {
John W. Linvillef83d6642009-12-25 16:35:43 -080041 # Ignore
John W. Linville3b377ea2009-12-18 17:59:01 -050042}
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&regdom_" country ",\n"
52}
53
54active && /^[ \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 $i
86 split(flagstr, flagarray, ",")
87 flags = ""
88 for (arg in flagarray) {
89 if (flagarray[arg] == "NO-OFDM") {
90 flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
91 } else if (flagarray[arg] == "NO-CCK") {
92 flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
93 } else if (flagarray[arg] == "NO-INDOOR") {
94 flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
95 } else if (flagarray[arg] == "NO-OUTDOOR") {
96 flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
97 } else if (flagarray[arg] == "DFS") {
98 flags = flags "\n\t\t\tNL80211_RRF_DFS | "
99 } else if (flagarray[arg] == "PTP-ONLY") {
100 flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
101 } else if (flagarray[arg] == "PTMP-ONLY") {
102 flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
103 } else if (flagarray[arg] == "PASSIVE-SCAN") {
104 flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
105 } else if (flagarray[arg] == "NO-IBSS") {
106 flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
107 }
108 }
109 flags = flags "0"
110 printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
111 rules++
112}
113
114active && /^[ \t]*$/ {
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
122END {
123 print regdb "};"
124 print ""
125 print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
126}