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

   1 #!/bin/sh
   2 . /lib/netifd/mac80211.sh
   3
   4 append DRIVERS "mac80211"
   5
   6 lookup_phy() {
   7         [ -n "$phy" ] && {
   8                 [ -d /sys/class/ieee80211/$phy ] && return
   9         }
  10
  11         local devpath
  12         config_get devpath "$device" path
  13         [ -n "$devpath" ] && {
  14                 phy="$(mac80211_path_to_phy "$devpath")"
  15                 [ -n "$phy" ] && return
  16         }
  17
  18         local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
  19         [ -n "$macaddr" ] && {
  20                 for _phy in /sys/class/ieee80211/*; do
  21                         [ -e "$_phy" ] || continue
  22
  23                         [ "$macaddr" = "$(cat ${_phy}/macaddress)" ] || continue
  24                         phy="${_phy##*/}"
  25                         return
  26                 done
  27         }
  28         phy=
  29         return
  30 }
  31
  32 find_mac80211_phy() {
  33         local device="$1"
  34
  35         config_get phy "$device" phy
  36         lookup_phy
  37         [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
  38                 echo "PHY for wifi device $1 not found"
  39                 return 1
  40         }
  41         config_set "$device" phy "$phy"
  42
  43         config_get macaddr "$device" macaddr
  44         [ -z "$macaddr" ] && {
  45                 config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
  46         }
  47
  48         return 0
  49 }
  50
  51 check_mac80211_device() {
  52         config_get phy "$1" phy
  53         [ -z "$phy" ] && {
  54                 find_mac80211_phy "$1" >/dev/null || return 0
  55                 config_get phy "$1" phy
  56         }
  57         [ "$phy" = "$dev" ] && found=1
  58 }
  59
  60
  61 __get_band_defaults() {
  62         local phy="$1"
  63
  64         ( iw phy "$phy" info; echo ) | awk '
  65 BEGIN {
  66         bands = ""
  67 }
  68
  69 ($1 == "Band" || $1 == "") && band {
  70         if (channel) {
  71                 mode="NOHT"
  72                 if (ht) mode="HT20"
  73                 if (vht) mode="VHT80"
  74                 if (he) mode="HE80"
  75                 if (he && band == "1:") mode="HE20"
  76                 sub("\\[", "", channel)
  77                 sub("\\]", "", channel)
  78                 bands = bands band channel ":" mode " "
  79         }
  80         band=""
  81 }
  82
  83 $1 == "Band" {
  84         band = $2
  85         channel = ""
  86         vht = ""
  87         ht = ""
  88         he = ""
  89 }
  90
  91 $0 ~ "Capabilities:" {
  92         ht=1
  93 }
  94
  95 $0 ~ "VHT Capabilities" {
  96         vht=1
  97 }
  98
  99 $0 ~ "HE Iftypes" {
 100         he=1
 101 }
 102
 103 $1 == "*" && $3 == "MHz" && $0 !~ /disabled/ && band && !channel {
 104         channel = $4
 105 }
 106
 107 END {
 108         print bands
 109 }'
 110 }
 111
 112 get_band_defaults() {
 113         local phy="$1"
 114
 115         for c in $(__get_band_defaults "$phy"); do
 116                 local band="${c%%:*}"
 117                 c="${c#*:}"
 118                 local chan="${c%%:*}"
 119                 c="${c#*:}"
 120                 local mode="${c%%:*}"
 121
 122                 case "$band" in
 123                         1) band=2g;;
 124                         2) band=5g;;
 125                         3) band=60g;;
 126                         4) band=6g;;
 127                         *) band="";;
 128                 esac
 129
 130                 [ -n "$band" ] || continue
 131                 [ -n "$mode_band" -a "$band" = "6g" ] && return
 132
 133                 mode_band="$band"
 134                 channel="$chan"
 135                 htmode="$mode"
 136         done
 137 }
 138
 139 detect_mac80211() {
 140         devidx=0
 141         config_load wireless
 142         while :; do
 143                 config_get type "radio$devidx" type
 144                 [ -n "$type" ] || break
 145                 devidx=$(($devidx + 1))
 146         done
 147
 148         for _dev in /sys/class/ieee80211/*; do
 149                 [ -e "$_dev" ] || continue
 150
 151                 dev="${_dev##*/}"
 152
 153                 found=0
 154                 config_foreach check_mac80211_device wifi-device
 155                 [ "$found" -gt 0 ] && continue
 156
 157                 mode_band=""
 158                 channel=""
 159                 htmode=""
 160                 ht_capab=""
 161
 162                 get_band_defaults "$dev"
 163
 164                 path="$(mac80211_phy_to_path "$dev")"
 165                 if [ -n "$path" ]; then
 166                         dev_id="set wireless.radio${devidx}.path='$path'"
 167                 else
 168                         dev_id="set wireless.radio${devidx}.macaddr=$(cat /sys/class/ieee80211/${dev}/macaddress)"
 169                 fi
 170
 171                 uci -q batch <<-EOF
 172                         set wireless.radio${devidx}=wifi-device
 173                         set wireless.radio${devidx}.type=mac80211
 174                         ${dev_id}
 175                         set wireless.radio${devidx}.channel=${channel}
 176                         set wireless.radio${devidx}.band=${mode_band}
 177                         set wireless.radio${devidx}.htmode=$htmode
 178                         set wireless.radio${devidx}.disabled=1
 179
 180                         set wireless.default_radio${devidx}=wifi-iface
 181                         set wireless.default_radio${devidx}.device=radio${devidx}
 182                         set wireless.default_radio${devidx}.network=lan
 183                         set wireless.default_radio${devidx}.mode=ap
 184                         set wireless.default_radio${devidx}.ssid=OpenWrt
 185                         set wireless.default_radio${devidx}.encryption=none
 186 EOF
 187                 uci -q commit wireless
 188
 189                 devidx=$(($devidx + 1))
 190         done
 191 }