Commit | Line | Data |
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3b377ea9 JL |
1 | #!/usr/bin/awk -f |
2 | # | |
3 | # genregdb.awk -- generate regdb.c from db.txt | |
4 | # | |
5 | # Actually, it reads from stdin (presumed to be db.txt) and writes | |
6 | # to stdout (presumed to be regdb.c), but close enough... | |
7 | # | |
8 | # Copyright 2009 John W. Linville <linville@tuxdriver.com> | |
9 | # | |
3b77d5ec LR |
10 | # Permission to use, copy, modify, and/or distribute this software for any |
11 | # purpose with or without fee is hereby granted, provided that the above | |
12 | # copyright notice and this permission notice appear in all copies. | |
3b377ea9 | 13 | # |
3b77d5ec LR |
14 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
15 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
16 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
17 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
18 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
19 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
20 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
3b377ea9 JL |
21 | |
22 | BEGIN { | |
23 | active = 0 | |
24 | rules = 0; | |
25 | print "/*" | |
26 | print " * DO NOT EDIT -- file generated from data in db.txt" | |
27 | print " */" | |
28 | print "" | |
29 | print "#include <linux/nl80211.h>" | |
30 | print "#include <net/cfg80211.h>" | |
2ea6fb6d | 31 | print "#include \"regdb.h\"" |
3b377ea9 JL |
32 | print "" |
33 | regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" | |
34 | } | |
35 | ||
af9b2235 | 36 | function parse_country_head() { |
3b377ea9 JL |
37 | country=$2 |
38 | sub(/:/, "", country) | |
39 | printf "static const struct ieee80211_regdomain regdom_%s = {\n", country | |
40 | printf "\t.alpha2 = \"%s\",\n", country | |
f0823475 JD |
41 | if ($NF ~ /DFS-ETSI/) |
42 | printf "\t.dfs_region = NL80211_DFS_ETSI,\n" | |
43 | else if ($NF ~ /DFS-FCC/) | |
44 | printf "\t.dfs_region = NL80211_DFS_FCC,\n" | |
45 | else if ($NF ~ /DFS-JP/) | |
46 | printf "\t.dfs_region = NL80211_DFS_JP,\n" | |
3b377ea9 JL |
47 | printf "\t.reg_rules = {\n" |
48 | active = 1 | |
49 | regdb = regdb "\t®dom_" country ",\n" | |
50 | } | |
51 | ||
af9b2235 LR |
52 | function parse_reg_rule() |
53 | { | |
fa96aabb LR |
54 | flag_starts_at = 7 |
55 | ||
3b377ea9 JL |
56 | start = $1 |
57 | sub(/\(/, "", start) | |
58 | end = $3 | |
59 | bw = $5 | |
60 | sub(/\),/, "", bw) | |
fa96aabb LR |
61 | gain = 0 |
62 | power = $6 | |
3b377ea9 | 63 | # power might be in mW... |
fa96aabb LR |
64 | units = $7 |
65 | dfs_cac = 0 | |
66 | ||
67 | sub(/\(/, "", power) | |
68 | sub(/\),/, "", power) | |
69 | sub(/\),/, "", units) | |
3b377ea9 | 70 | sub(/\)/, "", units) |
fa96aabb | 71 | |
3b377ea9 | 72 | if (units == "mW") { |
fa96aabb | 73 | flag_starts_at = 8 |
a9fb5416 | 74 | power = 10 * log(power)/log(10) |
fa96aabb LR |
75 | if ($8 ~ /[[:digit:]]/) { |
76 | flag_starts_at = 9 | |
77 | dfs_cac = $8 | |
78 | } | |
089027e5 | 79 | } else { |
fa96aabb LR |
80 | if ($7 ~ /[[:digit:]]/) { |
81 | flag_starts_at = 8 | |
82 | dfs_cac = $7 | |
83 | } | |
3b377ea9 | 84 | } |
089027e5 | 85 | sub(/\(/, "", dfs_cac) |
fa96aabb | 86 | sub(/\),/, "", dfs_cac) |
3b377ea9 | 87 | flagstr = "" |
fa96aabb | 88 | for (i=flag_starts_at; i<=NF; i++) |
3b377ea9 JL |
89 | flagstr = flagstr $i |
90 | split(flagstr, flagarray, ",") | |
91 | flags = "" | |
92 | for (arg in flagarray) { | |
93 | if (flagarray[arg] == "NO-OFDM") { | |
94 | flags = flags "\n\t\t\tNL80211_RRF_NO_OFDM | " | |
95 | } else if (flagarray[arg] == "NO-CCK") { | |
96 | flags = flags "\n\t\t\tNL80211_RRF_NO_CCK | " | |
97 | } else if (flagarray[arg] == "NO-INDOOR") { | |
98 | flags = flags "\n\t\t\tNL80211_RRF_NO_INDOOR | " | |
99 | } else if (flagarray[arg] == "NO-OUTDOOR") { | |
100 | flags = flags "\n\t\t\tNL80211_RRF_NO_OUTDOOR | " | |
101 | } else if (flagarray[arg] == "DFS") { | |
102 | flags = flags "\n\t\t\tNL80211_RRF_DFS | " | |
103 | } else if (flagarray[arg] == "PTP-ONLY") { | |
104 | flags = flags "\n\t\t\tNL80211_RRF_PTP_ONLY | " | |
105 | } else if (flagarray[arg] == "PTMP-ONLY") { | |
106 | flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " | |
107 | } else if (flagarray[arg] == "PASSIVE-SCAN") { | |
8fe02e16 | 108 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " |
3b377ea9 | 109 | } else if (flagarray[arg] == "NO-IBSS") { |
8fe02e16 LR |
110 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " |
111 | } else if (flagarray[arg] == "NO-IR") { | |
112 | flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " | |
b0dfd2ea JD |
113 | } else if (flagarray[arg] == "AUTO-BW") { |
114 | flags = flags "\n\t\t\tNL80211_RRF_AUTO_BW | " | |
3b377ea9 | 115 | } |
8fe02e16 | 116 | |
3b377ea9 JL |
117 | } |
118 | flags = flags "0" | |
a9fb5416 | 119 | printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %.0f, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags |
3b377ea9 JL |
120 | rules++ |
121 | } | |
122 | ||
af9b2235 LR |
123 | function print_tail_country() |
124 | { | |
3b377ea9 JL |
125 | active = 0 |
126 | printf "\t},\n" | |
127 | printf "\t.n_reg_rules = %d\n", rules | |
128 | printf "};\n\n" | |
129 | rules = 0; | |
130 | } | |
131 | ||
af9b2235 LR |
132 | /^[ \t]*#/ { |
133 | # Ignore | |
134 | } | |
135 | ||
136 | !active && /^[ \t]*$/ { | |
137 | # Ignore | |
138 | } | |
139 | ||
140 | !active && /country/ { | |
141 | parse_country_head() | |
142 | } | |
143 | ||
144 | active && /^[ \t]*\(/ { | |
145 | parse_reg_rule() | |
146 | } | |
147 | ||
148 | active && /^[ \t]*$/ { | |
149 | print_tail_country() | |
150 | } | |
151 | ||
3b377ea9 | 152 | END { |
ae689390 LR |
153 | if (active) |
154 | print_tail_country() | |
3b377ea9 JL |
155 | print regdb "};" |
156 | print "" | |
157 | print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" | |
158 | } |