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

   1 #!/bin/sh
   2 append DRIVERS "mac80211"
   3
   4 lookup_phy() {
   5         [ -n "$phy" ] && {
   6                 [ -d /sys/class/ieee80211/$phy ] && return
   7         }
   8
   9         local devpath
  10         config_get devpath "$device" path
  11         [ -n "$devpath" ] && {
  12                 for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
  13                         case "$(readlink -f /sys/class/ieee80211/$phy/device)" in
  14                                 *$devpath) return;;
  15                         esac
  16                 done
  17         }
  18
  19         local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
  20         [ -n "$macaddr" ] && {
  21                 for _phy in /sys/class/ieee80211/*; do
  22                         [ -e "$_phy" ] || continue
  23
  24                         [ "$macaddr" = "$(cat ${_phy}/macaddress)" ] || continue
  25                         phy="${_phy##*/}"
  26                         return
  27                 done
  28         }
  29         phy=
  30         return
  31 }
  32
  33 find_mac80211_phy() {
  34         local device="$1"
  35
  36         config_get phy "$device" phy
  37         lookup_phy
  38         [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
  39                 echo "PHY for wifi device $1 not found"
  40                 return 1
  41         }
  42         config_set "$device" phy "$phy"
  43
  44         config_get macaddr "$device" macaddr
  45         [ -z "$macaddr" ] && {
  46                 config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
  47         }
  48
  49         return 0
  50 }
  51
  52 check_mac80211_device() {
  53         config_get phy "$1" phy
  54         [ -z "$phy" ] && {
  55                 find_mac80211_phy "$1" >/dev/null || return 0
  56                 config_get phy "$1" phy
  57         }
  58         [ "$phy" = "$dev" ] && found=1
  59 }
  60
  61 detect_mac80211() {
  62         devidx=0
  63         config_load wireless
  64         while :; do
  65                 config_get type "radio$devidx" type
  66                 [ -n "$type" ] || break
  67                 devidx=$(($devidx + 1))
  68         done
  69
  70         for _dev in /sys/class/ieee80211/*; do
  71                 [ -e "$_dev" ] || continue
  72
  73                 dev="${_dev##*/}"
  74
  75                 found=0
  76                 config_foreach check_mac80211_device wifi-device
  77                 [ "$found" -gt 0 ] && continue
  78
  79                 mode_band="g"
  80                 channel="11"
  81                 htmode=""
  82                 ht_capab=""
  83
  84                 iw phy "$dev" info | grep -q 'Capabilities:' && htmode=HT20
  85
  86                 iw phy "$dev" info | grep -q '5180 MHz' && {
  87                         mode_band="a"
  88                         channel="36"
  89                         iw phy "$dev" info | grep -q 'VHT Capabilities' && htmode="VHT80"
  90                 }
  91
  92                 [ -n "$htmode" ] && ht_capab="set wireless.radio${devidx}.htmode=$htmode"
  93
  94                 if [ -x /usr/bin/readlink -a -h /sys/class/ieee80211/${dev} ]; then
  95                         path="$(readlink -f /sys/class/ieee80211/${dev}/device)"
  96                 else
  97                         path=""
  98                 fi
  99                 if [ -n "$path" ]; then
 100                         path="${path##/sys/devices/}"
 101                         case "$path" in
 102                                 platform*/pci*) path="${path##platform/}";;
 103                         esac
 104                         dev_id="set wireless.radio${devidx}.path='$path'"
 105                 else
 106                         dev_id="set wireless.radio${devidx}.macaddr=$(cat /sys/class/ieee80211/${dev}/macaddress)"
 107                 fi
 108
 109                 uci -q batch <<-EOF
 110                         set wireless.radio${devidx}=wifi-device
 111                         set wireless.radio${devidx}.type=mac80211
 112                         set wireless.radio${devidx}.channel=${channel}
 113                         set wireless.radio${devidx}.hwmode=11${mode_band}
 114                         ${dev_id}
 115                         ${ht_capab}
 116                         set wireless.radio${devidx}.disabled=1
 117
 118                         set wireless.default_radio${devidx}=wifi-iface
 119                         set wireless.default_radio${devidx}.device=radio${devidx}
 120                         set wireless.default_radio${devidx}.network=lan
 121                         set wireless.default_radio${devidx}.mode=ap
 122                         set wireless.default_radio${devidx}.ssid=OpenWrt
 123                         set wireless.default_radio${devidx}.encryption=none
 124 EOF
 125                 uci -q commit wireless
 126
 127                 devidx=$(($devidx + 1))
 128         done
 129 }