#!/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);"}