Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
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>"
31 print "#include \"regdb.h\""
32 print ""
33 regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
34}
35
36/^[ \t]*#/ {
37 # Ignore
38}
39
40!active && /^[ \t]*$/ {
41 # Ignore
42}
43
44!active && /country/ {
45 country=$2
46 sub(/:/, "", country)
47 printf "static const struct ieee80211_regdomain regdom_%s = {\n", country
48 printf "\t.alpha2 = \"%s\",\n", country
49 if ($NF ~ /DFS-ETSI/)
50 printf "\t.dfs_region = NL80211_DFS_ETSI,\n"
51 else if ($NF ~ /DFS-FCC/)
52 printf "\t.dfs_region = NL80211_DFS_FCC,\n"
53 else if ($NF ~ /DFS-JP/)
54 printf "\t.dfs_region = NL80211_DFS_JP,\n"
55 printf "\t.reg_rules = {\n"
56 active = 1
57 regdb = regdb "\t®dom_" country ",\n"
58}
59
60active && /^[ \t]*\(/ {
61 start = $1
62 sub(/\(/, "", start)
63 end = $3
64 bw = $5
65 sub(/\),/, "", bw)
66 gain = $6
67 sub(/\(/, "", gain)
68 sub(/,/, "", gain)
69 power = $7
70 sub(/\)/, "", power)
71 sub(/,/, "", power)
72 # power might be in mW...
73 units = $8
74 sub(/\)/, "", units)
75 sub(/,/, "", units)
76 if (units == "mW") {
77 if (power == 100) {
78 power = 20
79 } else if (power == 200) {
80 power = 23
81 } else if (power == 500) {
82 power = 27
83 } else if (power == 1000) {
84 power = 30
85 } else {
86 print "Unknown power value in database!"
87 }
88 }
89 flagstr = ""
90 for (i=8; i<=NF; i++)
91 flagstr = flagstr $i
92 split(flagstr, flagarray, ",")
93 flags = ""
94 for (arg in flagarray) {
95 if (flagarray[arg] == "NO-OFDM") {
96 flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
97 } else if (flagarray[arg] == "NO-CCK") {
98 flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
99 } else if (flagarray[arg] == "NO-INDOOR") {
100 flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
101 } else if (flagarray[arg] == "NO-OUTDOOR") {
102 flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
103 } else if (flagarray[arg] == "DFS") {
104 flags = flags "\n\t\t\tNL80211_RRF_DFS | "
105 } else if (flagarray[arg] == "PTP-ONLY") {
106 flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
107 } else if (flagarray[arg] == "PTMP-ONLY") {
108 flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
109 } else if (flagarray[arg] == "PASSIVE-SCAN") {
110 flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
111 } else if (flagarray[arg] == "NO-IBSS") {
112 flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
113 }
114 }
115 flags = flags "0"
116 printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
117 rules++
118}
119
120active && /^[ \t]*$/ {
121 active = 0
122 printf "\t},\n"
123 printf "\t.n_reg_rules = %d\n", rules
124 printf "};\n\n"
125 rules = 0;
126}
127
128END {
129 print regdb "};"
130 print ""
131 print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
132}