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

   1 #!/bin/sh
   2
   3 append DRIVERS "mac80211"
   4
   5 lookup_phy() {
   6         [ -n "$phy" ] && {
   7                 [ -d /sys/class/ieee80211/$phy ] && return
   8         }
   9
  10         local devpath
  11         config_get devpath "$device" path
  12         [ -n "$devpath" ] && {
  13                 phy="$(iwinfo nl80211 phyname "path=$devpath")"
  14                 [ -n "$phy" ] && return
  15         }
  16
  17         local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
  18         [ -n "$macaddr" ] && {
  19                 for _phy in /sys/class/ieee80211/*; do
  20                         [ -e "$_phy" ] || continue
  21
  22                         [ "$macaddr" = "$(cat ${_phy}/macaddress)" ] || continue
  23                         phy="${_phy##*/}"
  24                         return
  25                 done
  26         }
  27         phy=
  28         return
  29 }
  30
  31 find_mac80211_phy() {
  32         local device="$1"
  33
  34         config_get phy "$device" phy
  35         lookup_phy
  36         [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
  37                 echo "PHY for wifi device $1 not found"
  38                 return 1
  39         }
  40         config_set "$device" phy "$phy"
  41
  42         config_get macaddr "$device" macaddr
  43         [ -z "$macaddr" ] && {
  44                 config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
  45         }
  46
  47         return 0
  48 }
  49
  50 check_mac80211_device() {
  51         config_get phy "$1" phy
  52         [ -z "$phy" ] && {
  53                 find_mac80211_phy "$1" >/dev/null || return 0
  54                 config_get phy "$1" phy
  55         }
  56         [ "$phy" = "$dev" ] && found=1
  57 }
  58
  59
  60 __get_band_defaults() {
  61         local phy="$1"
  62
  63         ( iw phy "$phy" info; echo ) | awk '
  64 BEGIN {
  65         bands = ""
  66 }
  67
  68 ($1 == "Band" || $1 == "") && band {
  69         if (channel) {
  70                 mode="NOHT"
  71                 if (ht) mode="HT20"
  72                 if (vht && band != "1:") mode="VHT80"
  73                 if (he) mode="HE80"
  74                 if (he && band == "1:") mode="HE20"
  75                 sub("\\[", "", channel)
  76                 sub("\\]", "", channel)
  77                 bands = bands band channel ":" mode " "
  78         }
  79         band=""
  80 }
  81
  82 $1 == "Band" {
  83         band = $2
  84         channel = ""
  85         vht = ""
  86         ht = ""
  87         he = ""
  88 }
  89
  90 $0 ~ "Capabilities:" {
  91         ht=1
  92 }
  93
  94 $0 ~ "VHT Capabilities" {
  95         vht=1
  96 }
  97
  98 $0 ~ "HE Iftypes" {
  99         he=1
 100 }
 101
 102 $1 == "*" && $3 == "MHz" && $0 !~ /disabled/ && band && !channel {
 103         channel = $4
 104 }
 105
 106 END {
 107         print bands
 108 }'
 109 }
 110
 111 get_band_defaults() {
 112         local phy="$1"
 113
 114         for c in $(__get_band_defaults "$phy"); do
 115                 local band="${c%%:*}"
 116                 c="${c#*:}"
 117                 local chan="${c%%:*}"
 118                 c="${c#*:}"
 119                 local mode="${c%%:*}"
 120
 121                 case "$band" in
 122                         1) band=2g;;
 123                         2) band=5g;;
 124                         3) band=60g;;
 125                         4) band=6g;;
 126                         *) band="";;
 127                 esac
 128
 129                 [ -n "$band" ] || continue
 130                 [ -n "$mode_band" -a "$band" = "6g" ] && return
 131
 132                 mode_band="$band"
 133                 channel="$chan"
 134                 htmode="$mode"
 135         done
 136 }
 137
 138 detect_mac80211() {
 139         devidx=0
 140         config_load wireless
 141         while :; do
 142                 config_get type "radio$devidx" type
 143                 [ -n "$type" ] || break
 144                 devidx=$(($devidx + 1))
 145         done
 146
 147         for _dev in /sys/class/ieee80211/*; do
 148                 [ -e "$_dev" ] || continue
 149
 150                 dev="${_dev##*/}"
 151
 152                 found=0
 153                 config_foreach check_mac80211_device wifi-device
 154                 [ "$found" -gt 0 ] && continue
 155
 156                 mode_band=""
 157                 channel=""
 158                 htmode=""
 159                 ht_capab=""
 160
 161                 get_band_defaults "$dev"
 162
 163                 path="$(iwinfo nl80211 path "$dev")"
 164                 if [ -n "$path" ]; then
 165                         dev_id="set wireless.radio${devidx}.path='$path'"
 166                 else
 167                         dev_id="set wireless.radio${devidx}.macaddr=$(cat /sys/class/ieee80211/${dev}/macaddress)"
 168                 fi
 169
 170                 uci -q batch <<-EOF
 171                         set wireless.radio${devidx}=wifi-device
 172                         set wireless.radio${devidx}.type=mac80211
 173                         ${dev_id}
 174                         set wireless.radio${devidx}.channel=${channel}
 175                         set wireless.radio${devidx}.band=${mode_band}
 176                         set wireless.radio${devidx}.htmode=$htmode
 177                         set wireless.radio${devidx}.disabled=1
 178
 179                         set wireless.default_radio${devidx}=wifi-iface
 180                         set wireless.default_radio${devidx}.device=radio${devidx}
 181                         set wireless.default_radio${devidx}.network=lan
 182                         set wireless.default_radio${devidx}.mode=ap
 183                         set wireless.default_radio${devidx}.ssid=OpenWrt
 184                         set wireless.default_radio${devidx}.encryption=none
 185 EOF
 186                 uci -q commit wireless
 187
 188                 devidx=$(($devidx + 1))
 189         done
 190 }