package/acx/files/lib/wifi/acx.sh

   1 #!/bin/sh
   2 append DRIVERS "acx"
   3
   4 find_acx_phy() {
   5         local device="$1"
   6
   7         local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
   8         config_get phy "$device" phy
   9         [ -z "$phy" -a -n "$macaddr" ] && {
  10                 cd /proc/driver
  11                 for phy in $(ls acx_wlan[0-9] 2>&-); do
  12                         phy=${phy#acx_}
  13                         [ "$macaddr" = "$(cat /sys/class/net/${phy}/address)" ] || continue
  14                         config_set "$device" phy "$phy"
  15                         break
  16                 done
  17                 config_get phy "$device" phy
  18         }
  19         [ -n "$phy" -a -f "/proc/driver/acx_$phy" ] || {
  20                 echo "phy for wifi device $1 not found"
  21                 return 1
  22         }
  23         [ -z "$macaddr" ] && {
  24                 config_set "$device" macaddr "$(cat /sys/class/net/${phy}/address)"
  25         }
  26         return 0
  27 }
  28
  29 scan_acx() {
  30         local device="$1"
  31
  32         [ ${device%[0-9]} = "wlan" ] && config_set "$device" phy "$device" || find_acx_phy "$device" || {
  33                 config_unset "$device" vifs
  34                 return 0
  35         }
  36         config_get phy "$device" phy
  37
  38         config_get vifs "$device" vifs
  39         for vif in $vifs; do
  40                 config_get mode "$vif" mode
  41                 case "$mode" in
  42                         adhoc|sta|ap|monitor)
  43                                 # Only one vif is allowed
  44                                 config_set "$vif" ifname "$phy"
  45                                 break
  46                         ;;
  47                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  48                 esac
  49         done
  50         config_set "$device" vifs "$vif"
  51 }
  52
  53 disable_acx() (
  54         local device="$1"
  55
  56         find_acx_phy "$device" || return 0
  57         config_get phy "$device" phy
  58
  59         set_wifi_down "$device"
  60
  61         include /lib/network
  62         unbridge "$phy"
  63         return 0
  64 )
  65
  66 enable_acx() {
  67         local device="$1"
  68
  69         find_acx_phy "$device" || return 0
  70         config_get phy "$device" phy
  71
  72         config_get regdomain "$device" regdomain
  73         [ -n "$regdomain" ] && iwpriv "$device" SetRegDomain "$regdomain"
  74
  75         config_get rxantenna "$device" rxantenna
  76         config_get txantenna "$device" txantenna
  77         config_get_bool diversity "$device" diversity
  78         [ -n "$diversity" ] && {
  79                 rxantenna="2"
  80         }
  81         [ -n "$rxantenna" ] && iwpriv "$phy" SetRxAnt "$rxantenna"
  82         [ -n "$txantenna" ] && iwpriv "$phy" SetTxAnt "$txantenna"
  83
  84         config_get channel "$device" channel
  85         [ -n "$channel" ] && iwconfig "$phy" channel "$channel" >/dev/null 2>/dev/null
  86
  87         config_get txpower "$device" txpower
  88         [ -n "$txpower" ] && iwconfig "$phy" txpower "${txpower%%.*}"
  89
  90         config_get vif "$device" vifs
  91
  92         config_get ifname "$vif" ifname
  93         config_get ssid "$vif" ssid
  94         config_get mode "$vif" mode
  95
  96         iwconfig "$phy" essid ${ssid:+-- }"${ssid:-any}"
  97
  98         case "$mode" in
  99                 sta)
 100                         iwconfig "$phy" mode managed
 101                         config_get addr "$device" bssid
 102                         [ -z "$addr" ] || {
 103                                 iwconfig "$phy" ap "$addr"
 104                         }
 105                 ;;
 106                 ap) iwconfig "$phy" mode master;;
 107                 adhoc) iwconfig "$phy" mode ad-hoc;;
 108                 *) iwconfig "$phy" mode "$mode";;
 109         esac
 110
 111         config_get frag "$vif" frag
 112         [ -n "$frag" ] && iwconfig "$phy" frag "${frag%%.*}"
 113
 114         config_get rts "$vif" rts
 115         [ -n "$rts" ] && iwconfig "$phy" rts "${rts%%.*}"
 116
 117         config_get enc "$vif" encryption
 118         case "$enc" in
 119                 wep)
 120                         for idx in 1 2 3 4; do
 121                                 config_get key "$vif" "key${idx}"
 122                                 iwconfig "$ifname" enc restricted "[$idx]" "${key:-off}"
 123                         done
 124                         config_get key "$vif" key
 125                         key="${key:-1}"
 126                         case "$key" in
 127                                 [1234]) iwconfig "$ifname" enc restricted "[$key]";;
 128                                 *) iwconfig "$ifname" enc restricted "$key";;
 129                         esac
 130                 ;;
 131                 psk*|wpa*)
 132                         echo "$device($vif): WPA/WPA2 not supported by acx driver"
 133                         return 1
 134                 ;;
 135         esac
 136
 137         local net_cfg bridge
 138         net_cfg="$(find_net_config "$vif")"
 139         [ -z "$net_cfg" ] || {
 140                 bridge="$(bridge_interface "$net_cfg")"
 141                 config_set "$vif" bridge "$bridge"
 142                 start_net "$ifname" "$net_cfg"
 143         }
 144         set_wifi_up "$vif" "$ifname"
 145
 146 }
 147
 148 check_acx_device() {
 149         [ ${1%[0-9]} = "wlan" ] && config_set "$1" phy "$1"
 150         config_get phy "$1" phy
 151         [ -z "$phy" ] && {
 152                 find_acx_phy "$1" >/dev/null || return 0
 153                 config_get phy "$1" phy
 154         }
 155         [ "$phy" = "$dev" ] && found=1
 156 }
 157
 158 detect_acx() {
 159         devidx=0
 160         config_load wireless
 161         while :; do
 162                 config_get type "radio$devidx" type
 163                 [ -n "$type" ] || break
 164                 devidx=$(($devidx + 1))
 165         done
 166         cd /proc/driver
 167         for dev in $(ls acx_wlan[0-9] 2>&-); do
 168                 dev=${dev#acx_}
 169                 found=0
 170                 config_foreach check_acx_device wifi-device
 171                 [ "$found" -gt 0 ] && continue
 172                 cat <<EOF
 173 config wifi-device radio$devidx
 174         option type     acx
 175         option channel  11
 176         option macaddr  $(cat /sys/class/net/${dev}/address)
 177
 178         # REMOVE THIS LINE TO ENABLE WIFI:
 179         option disabled 1
 180
 181 config wifi-iface
 182         option device   radio$devidx
 183         option network  lan
 184         option mode     ap
 185         option ssid     OpenWrt
 186         option encryption none
 187
 188 EOF
 189         devidx=$(($devidx + 1))
 190         done
 191 }