mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-14 10:36:49 +07:00
f0823475d5
Add support for parsing and setting the dfs region (ETSI, FCC, JP) when the internal regulatory database is used. Before this the DFS region was being ignored even if present on the used db.txt Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Reviewed-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
133 lines
3.6 KiB
Awk
133 lines
3.6 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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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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 "#include \"regdb.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=$2
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sub(/:/, "", country)
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printf "static const struct ieee80211_regdomain regdom_%s = {\n", country
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printf "\t.alpha2 = \"%s\",\n", country
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if ($NF ~ /DFS-ETSI/)
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printf "\t.dfs_region = NL80211_DFS_ETSI,\n"
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else if ($NF ~ /DFS-FCC/)
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printf "\t.dfs_region = NL80211_DFS_FCC,\n"
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else if ($NF ~ /DFS-JP/)
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printf "\t.dfs_region = NL80211_DFS_JP,\n"
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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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