119 lines
2.8 KiB
Awk
119 lines
2.8 KiB
Awk
#!/usr/bin/awk -f
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#
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# genregdb.awk -- generate regdb.c from db.txt
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#
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# Actually, it reads from stdin (presumed to be db.txt) and writes
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# to stdout (presumed to be regdb.c), but close enough...
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#
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# Copyright 2009 John W. Linville <linville@tuxdriver.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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BEGIN {
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active = 0
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rules = 0;
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print "/*"
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print " * DO NOT EDIT -- file generated from data in db.txt"
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print " */"
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print ""
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print "#include <linux/nl80211.h>"
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print "#include <net/cfg80211.h>"
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print ""
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regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n"
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}
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/^[ \t]*#/ {
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# Ignore
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}
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!active && /^[ \t]*$/ {
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# Ignore
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}
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!active && /country/ {
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country=$2
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sub(/:/, "", country)
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printf "static const struct ieee80211_regdomain regdom_%s = {\n", country
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printf "\t.alpha2 = \"%s\",\n", country
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printf "\t.reg_rules = {\n"
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active = 1
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regdb = regdb "\t®dom_" country ",\n"
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}
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active && /^[ \t]*\(/ {
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start = $1
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sub(/\(/, "", start)
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end = $3
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bw = $5
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sub(/\),/, "", bw)
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gain = $6
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sub(/\(/, "", gain)
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sub(/,/, "", gain)
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power = $7
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sub(/\)/, "", power)
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sub(/,/, "", power)
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# power might be in mW...
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units = $8
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sub(/\)/, "", units)
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sub(/,/, "", units)
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if (units == "mW") {
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if (power == 100) {
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power = 20
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} else if (power == 200) {
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power = 23
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} else if (power == 500) {
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power = 27
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} else if (power == 1000) {
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power = 30
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} else {
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print "Unknown power value in database!"
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}
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}
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flagstr = ""
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for (i=8; i<=NF; i++)
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flagstr = flagstr $i
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split(flagstr, flagarray, ",")
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flags = ""
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for (arg in flagarray) {
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if (flagarray[arg] == "NO-OFDM") {
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flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
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} else if (flagarray[arg] == "NO-CCK") {
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flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
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} else if (flagarray[arg] == "NO-INDOOR") {
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flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
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} else if (flagarray[arg] == "NO-OUTDOOR") {
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flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
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} else if (flagarray[arg] == "DFS") {
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flags = flags "\n\t\t\tNL80211_RRF_DFS | "
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} else if (flagarray[arg] == "PTP-ONLY") {
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flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
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} else if (flagarray[arg] == "PTMP-ONLY") {
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flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
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} else if (flagarray[arg] == "PASSIVE-SCAN") {
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flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | "
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} else if (flagarray[arg] == "NO-IBSS") {
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flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | "
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}
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}
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flags = flags "0"
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printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags
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rules++
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}
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active && /^[ \t]*$/ {
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active = 0
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printf "\t},\n"
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printf "\t.n_reg_rules = %d\n", rules
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printf "};\n\n"
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rules = 0;
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}
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END {
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print regdb "};"
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print ""
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print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
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}
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