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

   1 #!/bin/sh
   2 append DRIVERS "atheros"
   3
   4 scan_atheros() {
   5         local device="$1"
   6         local wds
   7         local adhoc ahdemo sta ap monitor
   8
   9         config_get vifs "$device" vifs
  10         for vif in $vifs; do
  11
  12                 config_get ifname "$vif" ifname
  13                 config_set "$vif" ifname "${ifname:-ath}"
  14
  15                 config_get mode "$vif" mode
  16                 case "$mode" in
  17                         adhoc|ahdemo|sta|ap|monitor)
  18                                 append $mode "$vif"
  19                         ;;
  20                         wds)
  21                                 config_get ssid "$vif" ssid
  22                                 [ -z "$ssid" ] && continue
  23
  24                                 config_set "$vif" wds 1
  25                                 config_set "$vif" mode sta
  26                                 mode="sta"
  27                                 addr="$ssid"
  28                                 ${addr:+append $mode "$vif"}
  29                         ;;
  30                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  31                 esac
  32         done
  33
  34         case "${adhoc:+1}:${sta:+1}:${ap:+1}" in
  35                 # valid mode combinations
  36                 1::) wds="";;
  37                 1::1);;
  38                 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
  39                 :1:);;
  40                 ::1);;
  41                 ::);;
  42                 *) echo "$device: Invalid mode combination in config"; return 1;;
  43         esac
  44
  45         config_set "$device" vifs "${sta:+$sta }${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${wds:+$wds }${monitor:+$monitor}"
  46 }
  47
  48
  49 disable_atheros() (
  50         local device="$1"
  51
  52         set_wifi_down "$device"
  53
  54         include /lib/network
  55         cd /proc/sys/net
  56         for dev in *; do
  57                 grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
  58                         [ -f "/var/run/wifi-${dev}.pid" ] &&
  59                                 kill "$(cat "/var/run/wifi-${dev}.pid")"
  60                         ifconfig "$dev" down
  61                         unbridge "$dev"
  62                         wlanconfig "$dev" destroy
  63                 }
  64         done
  65         return 0
  66 )
  67
  68 enable_atheros() {
  69         local device="$1"
  70
  71         config_get regdomain "$device" regdomain
  72         [ -n "$regdomain" ] && echo "$regdomain" > /proc/sys/dev/$device/regdomain
  73
  74         config_get country "$device" country
  75         [ -z "$country" ] && country="0"
  76         echo "$country" > /proc/sys/dev/$device/countrycode
  77
  78         config_get_bool outdoor "$device" outdoor "0"
  79         echo "$outdoor" > /proc/sys/dev/$device/outdoor
  80
  81         config_get channel "$device" channel
  82         config_get vifs "$device" vifs
  83         config_get txpower "$device" txpower
  84
  85         [ auto = "$channel" ] && channel=0
  86
  87         config_get_bool antdiv "$device" diversity
  88         config_get antrx "$device" rxantenna
  89         config_get anttx "$device" txantenna
  90         config_get_bool softled "$device" softled 1
  91
  92         devname="$(cat /proc/sys/dev/$device/dev_name)"
  93         antgpio=
  94         case "$devname" in
  95                 NanoStation2) antgpio=7;;
  96                 NanoStation5) antgpio=1;;
  97         esac
  98         if [ -n "$antgpio" ]; then
  99                 softled=0
 100                 config_get antenna "$device" antenna
 101                 case "$antenna" in
 102                         external) antdiv=0; antrx=1; anttx=1 ;;
 103                         horizontal) antdiv=0; antrx=1; anttx=1 ;;
 104                         vertical) antdiv=0; antrx=2; anttx=2 ;;
 105                         auto) antdiv=1; antrx=0; anttx=0 ;;
 106                 esac
 107
 108                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 109                 case "$antenna" in
 110                         horizontal|vertical|auto)
 111                                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 112                                 gpioctl "set" "$antgpio" >/dev/null 2>&1
 113                         ;;
 114                         external)
 115                                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 116                                 gpioctl "clear" "$antgpio" >/dev/null 2>&1
 117                         ;;
 118                 esac
 119         fi
 120
 121         [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 122         [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 123         [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 124         [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 125
 126         config_get distance "$device" distance
 127         [ -n "$distance" ] && sysctl -w dev."$device".distance="$distance" >&-
 128
 129         for vif in $vifs; do
 130                 local start_hostapd= vif_txpower= nosbeacon=
 131                 config_get ifname "$vif" ifname
 132                 config_get enc "$vif" encryption
 133                 config_get eap_type "$vif" eap_type
 134                 config_get mode "$vif" mode
 135
 136                 case "$mode" in
 137                         sta) config_get nosbeacon "$device" nosbeacon;;
 138                         adhoc) config_get nosbeacon "$vif" sw_merge;;
 139                 esac
 140
 141                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 142                 [ $? -ne 0 ] && {
 143                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 144                         continue
 145                 }
 146                 config_set "$vif" ifname "$ifname"
 147
 148                 config_get hwmode "$device" hwmode
 149                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 150
 151                 pureg=0
 152                 case "$hwmode" in
 153                         *b) hwmode=11b;;
 154                         *bg) hwmode=11g;;
 155                         *g) hwmode=11g; pureg=1;;
 156                         *gdt) hwmode=11gdt;;
 157                         *a) hwmode=11a;;
 158                         *adt) hwmode=11adt;;
 159                         *ast) hwmode=11ast;;
 160                         *fh) hwmode=fh;;
 161                         *) hwmode=auto;;
 162                 esac
 163                 iwpriv "$ifname" mode "$hwmode"
 164                 iwpriv "$ifname" pureg "$pureg"
 165
 166                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 167
 168                 config_get_bool hidden "$vif" hidden 0
 169                 iwpriv "$ifname" hide_ssid "$hidden"
 170
 171                 config_get ff "$vif" ff
 172                 if [ -n "$ff" ]; then
 173                         iwpriv "$ifname" ff "$ff"
 174                 fi
 175
 176                 config_get wds "$vif" wds
 177                 case "$wds" in
 178                         1|on|enabled) wds=1;;
 179                         *) wds=0;;
 180                 esac
 181                 iwpriv "$ifname" wds "$wds"
 182
 183                 [ "$mode" = ap -a "$wds" = 1 ] && {
 184                         config_get_bool wdssep "$vif" wdssep 1
 185                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 186                 }
 187
 188                 case "$enc" in
 189                         WEP|wep)
 190                                 for idx in 1 2 3 4; do
 191                                         config_get key "$vif" "key${idx}"
 192                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 193                                 done
 194                                 config_get key "$vif" key
 195                                 key="${key:-1}"
 196                                 case "$key" in
 197                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 198                                         *) iwconfig "$ifname" enc "$key";;
 199                                 esac
 200                         ;;
 201                         psk*|wpa*)
 202                                 start_hostapd=1
 203                                 config_get key "$vif" key
 204                         ;;
 205                 esac
 206
 207                 case "$mode" in
 208                         sta|adhoc|ahdemo)
 209                                 config_get addr "$vif" bssid
 210                                 [ -z "$addr" ] || {
 211                                         iwconfig "$ifname" ap "$addr"
 212                                 }
 213                         ;;
 214                 esac
 215
 216                 config_get_bool bgscan "$vif" bgscan
 217                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 218
 219                 config_get rate "$vif" rate
 220                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 221
 222                 config_get mcast_rate "$vif" mcast_rate
 223                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 224
 225                 config_get frag "$vif" frag
 226                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 227
 228                 config_get rts "$vif" rts
 229                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 230
 231                 config_get_bool comp "$vif" compression 0
 232                 iwpriv "$ifname" compression "$comp"
 233
 234                 config_get_bool minrate "$vif" minrate
 235                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 236
 237                 config_get_bool maxrate "$vif" maxrate
 238                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 239
 240                 config_get_bool burst "$vif" bursting
 241                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 242
 243                 config_get_bool wmm "$vif" wmm
 244                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 245
 246                 config_get_bool xr "$vif" xr
 247                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 248
 249                 config_get_bool ar "$vif" ar
 250                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 251
 252                 config_get_bool beacon_power "$vif" beacon_power
 253                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 254
 255                 config_get_bool doth "$vif" doth 0
 256                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 257
 258                 config_get_bool probereq "$vif" probereq
 259                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 260
 261                 config_get maclist "$vif" maclist
 262                 [ -n "$maclist" ] && {
 263                         # flush MAC list
 264                         iwpriv "$ifname" maccmd 3
 265                         for mac in $maclist; do
 266                                 iwpriv "$ifname" addmac "$mac"
 267                         done
 268                 }
 269
 270                 config_get macpolicy "$vif" macpolicy
 271                 case "$macpolicy" in
 272                         allow)
 273                                 iwpriv "$ifname" maccmd 1
 274                         ;;
 275                         deny)
 276                                 iwpriv "$ifname" maccmd 2
 277                         ;;
 278                         *)
 279                                 # default deny policy if mac list exists
 280                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 281                         ;;
 282                 esac
 283
 284                 ifconfig "$ifname" up
 285
 286                 local net_cfg bridge
 287                 net_cfg="$(find_net_config "$vif")"
 288                 [ -z "$net_cfg" ] || {
 289                         bridge="$(bridge_interface "$net_cfg")"
 290                         config_set "$vif" bridge "$bridge"
 291                         start_net "$ifname" "$net_cfg"
 292                 }
 293
 294                 config_get ssid "$vif" ssid
 295                 [ -n "$ssid" ] && {
 296                         iwconfig "$ifname" essid on
 297                         iwconfig "$ifname" essid "$ssid"
 298                 }
 299
 300                 set_wifi_up "$vif" "$ifname"
 301
 302                 # TXPower settings only work if device is up already
 303                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 304                 # adjustment it does not work with the current atheros hal/madwifi driver
 305
 306                 config_get vif_txpower "$vif" txpower
 307                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 308                 # the latter doesn't exist
 309                 txpower="${txpower:-$vif_txpower}"
 310                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 311
 312                 case "$mode" in
 313                         ap)
 314                                 config_get_bool isolate "$vif" isolate 0
 315                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 316
 317                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 318                                         hostapd_setup_vif "$vif" madwifi || {
 319                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 320                                                 # make sure this wifi interface won't accidentally stay open without encryption
 321                                                 ifconfig "$ifname" down
 322                                                 wlanconfig "$ifname" destroy
 323                                                 continue
 324                                         }
 325                                 fi
 326                         ;;
 327                         wds|sta)
 328                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 329                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 330                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 331                                                 ifconfig "$ifname" down
 332                                                 wlanconfig "$ifname" destroy
 333                                                 continue
 334                                         }
 335                                 fi
 336                         ;;
 337                 esac
 338         done
 339 }
 340
 341
 342 detect_atheros() {
 343         cd /proc/sys/dev
 344         [ -d ath ] || return
 345         for dev in $(ls -d wifi* 2>&-); do
 346                 config_get type "$dev" type
 347                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 348                 case "$devname" in
 349                         NanoStation*)
 350                                 EXTRA_DEV="
 351 # Ubiquiti NanoStation features
 352         option antenna  auto # (auto|horizontal|vertical|external)
 353 "
 354                         ;;
 355                 esac
 356                 [ "$type" = atheros ] && continue
 357                 cat <<EOF
 358 config wifi-device  $dev
 359         option type     atheros
 360         option channel  auto
 361 $EXTRA_DEV
 362         # REMOVE THIS LINE TO ENABLE WIFI:
 363         option disabled 1
 364
 365 config wifi-iface
 366         option device   $dev
 367         option network  lan
 368         option mode     ap
 369         option ssid     OpenWrt
 370         option encryption none
 371 EOF
 372         done
 373 }