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

   1 mac80211_phy_to_path() {
   2         local phy="$1"
   3
   4         [ -x /usr/bin/readlink -a -h /sys/class/ieee80211/${phy} ] || return
   5
   6         local path="$(readlink -f /sys/class/ieee80211/${phy}/device)"
   7         [ -n "$path" ] || return
   8
   9         path="${path##/sys/devices/}"
  10         case "$path" in
  11                 platform*/pci*) path="${path##platform/}";;
  12         esac
  13
  14         local p
  15         local seq=""
  16         for p in $(ls /sys/class/ieee80211/$phy/device/ieee80211); do
  17                 [ "$p" = "$phy" ] && {
  18                         echo "$path${seq:++$seq}"
  19                         break
  20                 }
  21
  22                 seq=$((${seq:-0} + 1))
  23         done
  24 }
  25
  26 mac80211_path_to_phy() {
  27         local path="$1"
  28
  29         local p
  30         for p in $(ls /sys/class/ieee80211); do
  31                 local cur="$(mac80211_phy_to_path "$p")"
  32                 case "$cur" in
  33                         *$path) echo "$p"; return;;
  34                 esac
  35         done
  36 }