summaryrefslogtreecommitdiffstats
path: root/net/wireless/genregdb.awk
blob: 42ed274e81f4ca7debc59c4ae17137c35a0993d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#!/usr/bin/awk -f
#
# genregdb.awk -- generate regdb.c from db.txt
#
# Actually, it reads from stdin (presumed to be db.txt) and writes
# to stdout (presumed to be regdb.c), but close enough...
#
# Copyright 2009 John W. Linville <linville@tuxdriver.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

BEGIN {
	active = 0
	rules = 0;
	print "/*"
	print " * DO NOT EDIT -- file generated from data in db.txt"
	print " */"
	print ""
	print "#include <linux/nl80211.h>"
	print "#include <net/cfg80211.h>"
	print "#include \"regdb.h\""
	print ""
	regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
}

/^[ \t]*#/ {
	# Ignore
}

!active && /^[ \t]*$/ {
	# Ignore
}

!active && /country/ {
	country=$2
	sub(/:/, "", country)
	printf "static const struct ieee80211_regdomain regdom_%s = {\n", country
	printf "\t.alpha2 = \"%s\",\n", country
	if ($NF ~ /DFS-ETSI/)
		printf "\t.dfs_region = NL80211_DFS_ETSI,\n"
	else if ($NF ~ /DFS-FCC/)
		printf "\t.dfs_region = NL80211_DFS_FCC,\n"
	else if ($NF ~ /DFS-JP/)
		printf "\t.dfs_region = NL80211_DFS_JP,\n"
	printf "\t.reg_rules = {\n"
	active = 1
	regdb = regdb "\t&regdom_" country ",\n"
}

active && /^[ \t]*\(/ {
	start = $1
	sub(/\(/, "", start)
	end = $3
	bw = $5
	sub(/\),/, "", bw)
	gain = $6
	sub(/\(/, "", gain)
	sub(/,/, "", gain)
	power = $7
	sub(/\)/, "", power)
	sub(/,/, "", power)
	# power might be in mW...
	units = $8
	sub(/\)/, "", units)
	sub(/,/, "", units)
	if (units == "mW") {
		if (power == 100) {
			power = 20
		} else if (power == 200) {
			power = 23
		} else if (power == 500) {
			power = 27
		} else if (power == 1000) {
			power = 30
		} else {
			print "Unknown power value in database!"
		}
	}
	flagstr = ""
	for (i=8; i<=NF; i++)
		flagstr = flagstr $i
	split(flagstr, flagarray, ",")
	flags = ""
	for (arg in flagarray) {
		if (flagarray[arg] == "NO-OFDM") {
			flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
		} else if (flagarray[arg] == "NO-CCK") {
			flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
		} else if (flagarray[arg] == "NO-INDOOR") {
			flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
		} else if (flagarray[arg] == "NO-OUTDOOR") {
			flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
		} else if (flagarray[arg] == "DFS") {
			flags = flags "\n\t\t\tNL80211_RRF_DFS | "
		} else if (flagarray[arg] == "PTP-ONLY") {
			flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
		} else if (flagarray[arg] == "PTMP-ONLY") {
			flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
		} else if (flagarray[arg] == "PASSIVE-SCAN") {
			flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
		} else if (flagarray[arg] == "NO-IBSS") {
			flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
		}
	}
	flags = flags "0"
	printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
	rules++
}

active && /^[ \t]*$/ {
	active = 0
	printf "\t},\n"
	printf "\t.n_reg_rules = %d\n", rules
	printf "};\n\n"
	rules = 0;
}

END {
	print regdb "};"
	print ""
	print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
}
OpenPOWER on IntegriCloud