package/kernel/mac80211/files/lib/wifi/mac80211.sh

   1 #!/bin/sh
   2
   3 append DRIVERS "mac80211"
   4
   5 check_mac80211_device() {
   6         local device="$1"
   7         local path="$2"
   8         local macaddr="$3"
   9
  10         [ -n "$found" ] && return 0
  11
  12         phy_path=
  13         config_get phy "$device" phy
  14         json_select wlan
  15         [ -n "$phy" ] && case "$phy" in
  16                 phy*)
  17                         [ -d /sys/class/ieee80211/$phy ] && \
  18                                 phy_path="$(iwinfo nl80211 path "$dev")"
  19                 ;;
  20                 *)
  21                         if json_is_a "$phy" object; then
  22                                 json_select "$phy"
  23                                 json_get_var phy_path path
  24                                 json_select ..
  25                         elif json_is_a "${phy%.*}" object; then
  26                                 json_select "${phy%.*}"
  27                                 json_get_var phy_path path
  28                                 json_select ..
  29                                 phy_path="$phy_path+${phy##*.}"
  30                         fi
  31                 ;;
  32         esac
  33         json_select ..
  34         [ -n "$phy_path" ] || config_get phy_path "$device" path
  35         [ -n "$path" -a "$phy_path" = "$path" ] && {
  36                 found=1
  37                 return 0
  38         }
  39
  40         config_get dev_macaddr "$device" macaddr
  41
  42         [ -n "$macaddr" -a "$dev_macaddr" = "$macaddr" ] && found=1
  43
  44         return 0
  45 }
  46
  47
  48 __get_band_defaults() {
  49         local phy="$1"
  50
  51         ( iw phy "$phy" info; echo ) | awk '
  52 BEGIN {
  53         bands = ""
  54 }
  55
  56 ($1 == "Band" || $1 == "") && band {
  57         if (channel) {
  58                 mode="NOHT"
  59                 if (ht) mode="HT20"
  60                 if (vht && band != "1:") mode="VHT80"
  61                 if (he) mode="HE80"
  62                 if (he && band == "1:") mode="HE20"
  63                 sub("\\[", "", channel)
  64                 sub("\\]", "", channel)
  65                 bands = bands band channel ":" mode " "
  66         }
  67         band=""
  68 }
  69
  70 $1 == "Band" {
  71         band = $2
  72         channel = ""
  73         vht = ""
  74         ht = ""
  75         he = ""
  76 }
  77
  78 $0 ~ "Capabilities:" {
  79         ht=1
  80 }
  81
  82 $0 ~ "VHT Capabilities" {
  83         vht=1
  84 }
  85
  86 $0 ~ "HE Iftypes" {
  87         he=1
  88 }
  89
  90 $1 == "*" && $3 == "MHz" && $0 !~ /disabled/ && band && !channel {
  91         channel = $4
  92 }
  93
  94 END {
  95         print bands
  96 }'
  97 }
  98
  99 get_band_defaults() {
 100         local phy="$1"
 101
 102         for c in $(__get_band_defaults "$phy"); do
 103                 local band="${c%%:*}"
 104                 c="${c#*:}"
 105                 local chan="${c%%:*}"
 106                 c="${c#*:}"
 107                 local mode="${c%%:*}"
 108
 109                 case "$band" in
 110                         1) band=2g;;
 111                         2) band=5g;;
 112                         3) band=60g;;
 113                         4) band=6g;;
 114                         *) band="";;
 115                 esac
 116
 117                 [ -n "$band" ] || continue
 118                 [ -n "$mode_band" -a "$band" = "6g" ] && return
 119
 120                 mode_band="$band"
 121                 channel="$chan"
 122                 htmode="$mode"
 123         done
 124 }
 125
 126 check_devidx() {
 127         case "$1" in
 128         radio[0-9]*)
 129                 local idx="${1#radio}"
 130                 [ "$devidx" -ge "${1#radio}" ] && devidx=$((idx + 1))
 131                 ;;
 132         esac
 133 }
 134
 135 check_board_phy() {
 136         local name="$2"
 137
 138         json_select "$name"
 139         json_get_var phy_path path
 140         json_select ..
 141
 142         if [ "$path" = "$phy_path" ]; then
 143                 board_dev="$name"
 144         elif [ "${path%+*}" = "$phy_path" ]; then
 145                 fallback_board_dev="$name.${path#*+}"
 146         fi
 147 }
 148
 149 detect_mac80211() {
 150         devidx=0
 151         config_load wireless
 152         config_foreach check_devidx wifi-device
 153
 154         json_load_file /etc/board.json
 155
 156         for _dev in /sys/class/ieee80211/*; do
 157                 [ -e "$_dev" ] || continue
 158
 159                 dev="${_dev##*/}"
 160
 161                 mode_band=""
 162                 channel=""
 163                 htmode=""
 164                 ht_capab=""
 165
 166                 get_band_defaults "$dev"
 167
 168                 path="$(iwinfo nl80211 path "$dev")"
 169                 macaddr="$(cat /sys/class/ieee80211/${dev}/macaddress)"
 170
 171                 # work around phy rename related race condition
 172                 [ -n "$path" -o -n "$macaddr" ] || continue
 173
 174                 board_dev=
 175                 fallback_board_dev=
 176                 json_for_each_item check_board_phy wlan
 177                 [ -n "$board_dev" ] || board_dev="$fallback_board_dev"
 178                 [ -n "$board_dev" ] && dev="$board_dev"
 179
 180                 found=
 181                 config_foreach check_mac80211_device wifi-device "$path" "$macaddr"
 182                 [ -n "$found" ] && continue
 183
 184                 name="radio${devidx}"
 185                 devidx=$(($devidx + 1))
 186                 case "$dev" in
 187                         phy*)
 188                                 if [ -n "$path" ]; then
 189                                         dev_id="set wireless.${name}.path='$path'"
 190                                 else
 191                                         dev_id="set wireless.${name}.macaddr='$macaddr'"
 192                                 fi
 193                                 ;;
 194                         *)
 195                                 dev_id="set wireless.${name}.phy='$dev'"
 196                                 ;;
 197                 esac
 198
 199                 uci -q batch <<-EOF
 200                         set wireless.${name}=wifi-device
 201                         set wireless.${name}.type=mac80211
 202                         ${dev_id}
 203                         set wireless.${name}.channel=${channel}
 204                         set wireless.${name}.band=${mode_band}
 205                         set wireless.${name}.htmode=$htmode
 206                         set wireless.${name}.disabled=1
 207
 208                         set wireless.default_${name}=wifi-iface
 209                         set wireless.default_${name}.device=${name}
 210                         set wireless.default_${name}.network=lan
 211                         set wireless.default_${name}.mode=ap
 212                         set wireless.default_${name}.ssid=OpenWrt
 213                         set wireless.default_${name}.encryption=none
 214 EOF
 215                 uci -q commit wireless
 216         done
 217 }