wext.sh

   1 #!/bin/sh
   2
   3 append DRIVERS "wext"
   4
   5 scan_wext() {
   6         local device="$1"
   7         local adhoc sta ap monitor mesh disabled
   8
   9         config_get vifs "$device" vifs
  10
  11         for vif in $vifs; do
  12                 config_get_bool disabled "$vif" disabled 0
  13                 [ $disabled = 0 ] || continue
  14
  15                 config_get ifname "$vif" ifname
  16                 config_set "$vif" ifname "${ifname:-$device}"
  17
  18                 config_get mode "$vif" mode
  19
  20                 case "$mode" in
  21                         sta)
  22                                 append $mode "$vif"
  23                         ;;
  24                         *)
  25                                 echo "$device($vif): Invalid mode, ignored."
  26                                 continue
  27                         ;;
  28                 esac
  29         done
  30
  31         config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
  32 }
  33
  34 disable_wext() {
  35         local device="$1"
  36
  37         set_wifi_down "$device"
  38
  39         for pid in `pidof wpa_supplicant`; do
  40                 grep -E "$device" /proc/$pid/cmdline >/dev/null 2>/dev/null && \
  41                         kill $pid
  42         done
  43
  44         ifconfig "$device" down
  45
  46         return 0
  47 }
  48
  49 enable_wext() {
  50         local device="$1"
  51         local i=0
  52
  53         config_get vifs "$device" vifs
  54
  55         for vif in $vifs; do
  56                 config_get ifname "$vif" ifname
  57                 config_get mode "$vif" mode
  58
  59                 config_set "$vif" ifname "$ifname"
  60
  61                 ifconfig "$ifname" up
  62                 set_wifi_up "$vif" "$ifname"
  63
  64                 case "$mode" in
  65                         sta)
  66                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
  67                                         wpa_supplicant_setup_vif "$vif" wext || {
  68                                                 echo "enable_wext($device): Failed to set up wpa_supplicant for interface $ifname" >&2
  69                                                 ifconfig "$ifname" down
  70                                                 continue
  71                                         }
  72                                 fi
  73                         ;;
  74                 esac
  75
  76                 i=$(($i + 1))
  77         done
  78 }