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" = "$dev" ] && found=1
  58 }
  59
  60 detect_mac80211() {
  61         devidx=0
  62         config_load wireless
  63         while :; do
  64                 config_get type "radio$devidx" type
  65                 [ -n "$type" ] || break
  66                 devidx=$(($devidx + 1))
  67         done
  68
  69         for _dev in /sys/class/ieee80211/*; do
  70                 [ -e "$_dev" ] || continue
  71
  72                 dev="${_dev##*/}"
  73
  74                 found=0
  75                 config_foreach check_mac80211_device wifi-device
  76                 [ "$found" -gt 0 ] && continue
  77
  78                 mode_band="g"
  79                 channel="11"
  80                 htmode=""
  81                 ht_capab=""
  82
  83                 iw phy "$dev" info | grep -q 'Capabilities:' && htmode=HT20
  84
  85                 iw phy "$dev" info | grep -q '5180 MHz' && {
  86                         mode_band="a"
  87                         channel="36"
  88                         iw phy "$dev" info | grep -q 'VHT Capabilities' && htmode="VHT80"
  89                 }
  90
  91                 [ -n "$htmode" ] && ht_capab="set wireless.radio${devidx}.htmode=$htmode"
  92
  93                 path="$(mac80211_phy_to_path "$dev")"
  94                 if [ -n "$path" ]; then
  95                         dev_id="set wireless.radio${devidx}.path='$path'"
  96                 else
  97                         dev_id="set wireless.radio${devidx}.macaddr=$(cat /sys/class/ieee80211/${dev}/macaddress)"
  98                 fi
  99
 100                 uci -q batch <<-EOF
 101                         set wireless.radio${devidx}=wifi-device
 102                         set wireless.radio${devidx}.type=mac80211
 103                         set wireless.radio${devidx}.channel=${channel}
 104                         set wireless.radio${devidx}.hwmode=11${mode_band}
 105                         ${dev_id}
 106                         ${ht_capab}
 107                         set wireless.radio${devidx}.disabled=1
 108
 109                         set wireless.default_radio${devidx}=wifi-iface
 110                         set wireless.default_radio${devidx}.device=radio${devidx}
 111                         set wireless.default_radio${devidx}.network=lan
 112                         set wireless.default_radio${devidx}.mode=ap
 113                         set wireless.default_radio${devidx}.ssid=OpenWrt
 114                         set wireless.default_radio${devidx}.encryption=none
 115 EOF
 116                 uci -q commit wireless
 117
 118                 devidx=$(($devidx + 1))
 119         done
 120 }