123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159 |
- #!/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"
- }
- function parse_country_head() {
- 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®dom_" country ",\n"
- }
- function parse_reg_rule()
- {
- flag_starts_at = 7
- start = $1
- sub(/\(/, "", start)
- end = $3
- bw = $5
- sub(/\),/, "", bw)
- gain = 0
- power = $6
- # power might be in mW...
- units = $7
- dfs_cac = 0
- sub(/\(/, "", power)
- sub(/\),/, "", power)
- sub(/\),/, "", units)
- sub(/\)/, "", units)
- if (units == "mW") {
- flag_starts_at = 8
- power = 10 * log(power)/log(10)
- if ($8 ~ /[[:digit:]]/) {
- flag_starts_at = 9
- dfs_cac = $8
- }
- } else {
- if ($7 ~ /[[:digit:]]/) {
- flag_starts_at = 8
- dfs_cac = $7
- }
- }
- sub(/\(/, "", dfs_cac)
- sub(/\),/, "", dfs_cac)
- flagstr = ""
- for (i=flag_starts_at; i<=NF; i++)
- flagstr = flagstr $i
- split(flagstr, flagarray, ",")
- flags = ""
- for (arg in flagarray) {
- if (flagarray[arg] == "NO-OFDM") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | "
- } else if (flagarray[arg] == "NO-CCK") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | "
- } else if (flagarray[arg] == "NO-INDOOR") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | "
- } else if (flagarray[arg] == "NO-OUTDOOR") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | "
- } else if (flagarray[arg] == "DFS") {
- flags = flags "\n\t\t\tNL80211_RRF_DFS | "
- } else if (flagarray[arg] == "PTP-ONLY") {
- flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | "
- } else if (flagarray[arg] == "PTMP-ONLY") {
- flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | "
- } else if (flagarray[arg] == "PASSIVE-SCAN") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
- } else if (flagarray[arg] == "NO-IBSS") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
- } else if (flagarray[arg] == "NO-IR") {
- flags = flags "\n\t\t\tNL80211_RRF_NO_IR | "
- } else if (flagarray[arg] == "AUTO-BW") {
- flags = flags "\n\t\t\tNL80211_RRF_AUTO_BW | "
- }
- }
- flags = flags "0"
- printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %.0f, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
- rules++
- }
- function print_tail_country()
- {
- active = 0
- printf "\t},\n"
- printf "\t.n_reg_rules = %d\n", rules
- printf "};\n\n"
- rules = 0;
- }
- /^[ \t]*#/ {
- # Ignore
- }
- !active && /^[ \t]*$/ {
- # Ignore
- }
- !active && /country/ {
- parse_country_head()
- }
- active && /^[ \t]*\(/ {
- parse_reg_rule()
- }
- active && /^[ \t]*$/ {
- print_tail_country()
- }
- END {
- if (active)
- print_tail_country()
- print regdb "};"
- print ""
- print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);"
- }
|