package/madwifi/files/lib/wifi/madwifi.sh

   1 #!/bin/sh
   2 set -x
   3 append DRIVERS "atheros"
   4
   5 scan_atheros() {
   6         local device="$1"
   7         local wds
   8         local adhoc sta ap
   9
  10         config_get vifs "$device" vifs
  11         for vif in $vifs; do
  12
  13                 config_get ifname "$vif" ifname
  14                 config_set "$vif" ifname "${ifname:-ath}"
  15
  16                 config_get mode "$vif" mode
  17                 case "$mode" in
  18                         adhoc|sta|ap)
  19                                 append $mode "$vif"
  20                         ;;
  21                         wds)
  22                                 config_get addr "$vif" bssid
  23                                 ${addr:+append wds "$addr"}
  24                         ;;
  25                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  26                 esac
  27         done
  28
  29         case "${adhoc:+1}:${sta:+}:${ap+1}" in
  30                 # valid mode combinations
  31                 1::);;
  32                 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
  33                 :1:);;
  34                 ::1);;
  35                 :::);;
  36                 *) echo "$device: Invalid mode combination in config"; return 1;;
  37         esac
  38
  39         config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }"
  40
  41         [ -z "$adhoc" ] && config_set "$device" wds "$wdsifs"
  42 }
  43
  44 disable_atheros() (
  45         local device="$1"
  46
  47         include /lib/network
  48         cd /proc/sys/net
  49         for dev in *; do
  50                 grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
  51                         ifconfig "$dev" down
  52                         unbridge "$dev"
  53                         wlanconfig $dev destroy
  54                 }
  55         done
  56 )
  57
  58 enable_atheros() {
  59         config_get channel "$device" channel
  60         config_get wds "$device" wds
  61         config_get vifs "$device" vifs
  62
  63         for vif in $vifs; do
  64                 nosbeacon=
  65                 config_get ifname "$vif" ifname
  66                 config_get enc "$vif" encryption
  67                 config_get mode "$vif" mode
  68
  69                 [ "$mode" = sta ] && config_get nosbeacon "$device" nosbeacon
  70
  71                 config_get ifname "$vif" ifname
  72                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
  73                 config_set "$vif" ifname "$ifname"
  74
  75                 [ $? -ne 0 ] && {
  76                         echo "enable_atheros($device): Failed to set up vif $ifname" >&2
  77                         continue
  78                 }
  79                 wpa=
  80                 case "$enc" in
  81                         WEP|wep)
  82                                 for idx in 1 2 3 4; do
  83                                         config_get key "$vif" "key${idx}"
  84                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
  85                                 done
  86                                 config_get key "$vif" key
  87                                 iwconfig "$ifname" enc "$key"
  88                         ;;
  89                 esac
  90                 case "$mode" in
  91                         ap)
  92                                 local hostapd_cfg=
  93                                 case "$enc" in
  94                                         *psk*|*PSK*)
  95                                         # FIXME: wpa
  96                                         ;;
  97                                         *wpa*|*WPA*)
  98                                         # FIXME: add wpa+radius here
  99                                         ;;
 100                                 esac
 101                         ;;
 102                         sta)
 103                                 # FIXME: implement wpa_supplicant calls here
 104                         ;;
 105                 esac
 106
 107                 config_get ssid "$vif" ssid
 108                 append if_up "iwconfig $ifname essid $ssid channel $channel" ";$N"
 109                 append if_up "sleep 1" ";$N"
 110                 append if_up "ifconfig $ifname up" ";$N"
 111
 112                 local net_cfg bridge
 113                 net_cfg="$(find_net_config "$vif")"
 114                 [ -z "$net_cfg" ] || {
 115                         bridge="$(bridge_interface "$net_cfg")"
 116                         append if_up "start_net '$ifname' '$net_cfg'" ";$N"
 117                 }
 118                 # TODO: start hostapd
 119         done
 120
 121         #killall -KILL $hostapd >&- 2>&-
 122         eval "$if_up"
 123 }
 124
 125
 126 detect_atheros() {
 127         cd /proc/sys/dev
 128         [ -d ath ] || return
 129         for dev in wifi*; do
 130                 config_get type "$dev" type
 131                 [ "$type" = atheros ] && return
 132                 cat <<EOF
 133 config wifi-device  $dev
 134         option type     atheros
 135         option channel  5
 136
 137 config wifi-iface
 138         option device   $dev
 139         option mode     ap
 140         option ssid     OpenWrt
 141         option hidden   0
 142         option encryption none
 143
 144 EOF
 145         done
 146 }
 147