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
  91         config_get antenna "$device" antenna
  92
  93         devname="$(cat /proc/sys/dev/$device/dev_name)"
  94         local antgpio=
  95         local invert=
  96         case "$devname" in
  97                 NanoStation2) antgpio=7; invert=1;;
  98                 NanoStation5) antgpio=1; invert=1;;
  99                 "NanoStation Loco2") antgpio=2;;
 100                 "NanoStation Loco5")
 101                         case "$antenna" in
 102                                 horizontal) antdiv=0; anttx=1; antrx=1;;
 103                                 vertical) antdiv=0; anttx=2; antrx=2;;
 104                                 *) antdiv=1; anttx=0; antrx=0;;
 105                         esac
 106                 ;;
 107         esac
 108         if [ -n "$invert" ]; then
 109                 _set="clear"
 110                 _clear="set"
 111         else
 112                 _set="set"
 113                 _clear="clear"
 114         fi
 115         if [ -n "$antgpio" ]; then
 116                 softled=0
 117                 case "$devname" in
 118                         "NanoStation Loco2")
 119                                 antdiv=0
 120                                 antrx=1
 121                                 anttx=1
 122                                 case "$antenna" in
 123                                         horizontal) gpioval=0;;
 124                                         *) gpioval=1;;
 125                                 esac
 126                         ;;
 127                         *)
 128                                 case "$antenna" in
 129                                         external) antdiv=0; antrx=1; anttx=1; gpioval=1;;
 130                                         horizontal) antdiv=0; antrx=1; anttx=1; gpioval=0;;
 131                                         vertical) antdiv=0; antrx=2; anttx=2; gpioval=0;;
 132                                         auto) antdiv=1; antrx=0; anttx=0; gpioval=0;;
 133                                 esac
 134                         ;;
 135                 esac
 136
 137                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 138                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 139                 case "$gpioval" in
 140                         0)
 141                                 gpioctl "$_clear" "$antgpio" >/dev/null 2>&1
 142                         ;;
 143                         1)
 144                                 gpioctl "$_set" "$antgpio" >/dev/null 2>&1
 145                         ;;
 146                 esac
 147         fi
 148
 149         [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 150         [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 151         [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 152         [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 153
 154         config_get distance "$device" distance
 155         [ -n "$distance" ] && sysctl -w dev."$device".distance="$distance" >&-
 156
 157         for vif in $vifs; do
 158                 local start_hostapd= vif_txpower= nosbeacon=
 159                 config_get ifname "$vif" ifname
 160                 config_get enc "$vif" encryption
 161                 config_get eap_type "$vif" eap_type
 162                 config_get mode "$vif" mode
 163
 164                 case "$mode" in
 165                         sta) config_get_bool nosbeacon "$device" nosbeacon;;
 166                         adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;;
 167                 esac
 168
 169                 [ "$nosbeacon" = 1 ] || nosbeacon=""
 170                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 171                 [ $? -ne 0 ] && {
 172                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 173                         continue
 174                 }
 175                 config_set "$vif" ifname "$ifname"
 176
 177                 config_get hwmode "$device" hwmode
 178                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 179
 180                 pureg=0
 181                 case "$hwmode" in
 182                         *b) hwmode=11b;;
 183                         *bg) hwmode=11g;;
 184                         *g) hwmode=11g; pureg=1;;
 185                         *gdt) hwmode=11gdt;;
 186                         *a) hwmode=11a;;
 187                         *adt) hwmode=11adt;;
 188                         *ast) hwmode=11ast;;
 189                         *fh) hwmode=fh;;
 190                         *) hwmode=auto;;
 191                 esac
 192                 iwpriv "$ifname" mode "$hwmode"
 193                 iwpriv "$ifname" pureg "$pureg"
 194
 195                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 196
 197                 config_get_bool hidden "$vif" hidden 0
 198                 iwpriv "$ifname" hide_ssid "$hidden"
 199
 200                 config_get ff "$vif" ff
 201                 if [ -n "$ff" ]; then
 202                         iwpriv "$ifname" ff "$ff"
 203                 fi
 204
 205                 config_get wds "$vif" wds
 206                 case "$wds" in
 207                         1|on|enabled) wds=1;;
 208                         *) wds=0;;
 209                 esac
 210                 iwpriv "$ifname" wds "$wds" >/dev/null 2>&1
 211
 212                 [ "$mode" = ap -a "$wds" = 1 ] && {
 213                         config_get_bool wdssep "$vif" wdssep 1
 214                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 215                 }
 216
 217                 case "$enc" in
 218                         WEP|wep)
 219                                 for idx in 1 2 3 4; do
 220                                         config_get key "$vif" "key${idx}"
 221                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 222                                 done
 223                                 config_get key "$vif" key
 224                                 key="${key:-1}"
 225                                 case "$key" in
 226                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 227                                         *) iwconfig "$ifname" enc "$key";;
 228                                 esac
 229                         ;;
 230                         psk*|wpa*)
 231                                 start_hostapd=1
 232                                 config_get key "$vif" key
 233                         ;;
 234                 esac
 235
 236                 case "$mode" in
 237                         sta|adhoc|ahdemo)
 238                                 config_get addr "$vif" bssid
 239                                 [ -z "$addr" ] || {
 240                                         iwconfig "$ifname" ap "$addr"
 241                                 }
 242                         ;;
 243                 esac
 244
 245                 config_get_bool uapsd "$vif" uapsd 0
 246                 iwpriv "$ifname" uapsd "$uapsd"
 247
 248                 config_get_bool bgscan "$vif" bgscan
 249                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 250
 251                 config_get rate "$vif" rate
 252                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 253
 254                 config_get mcast_rate "$vif" mcast_rate
 255                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 256
 257                 config_get frag "$vif" frag
 258                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 259
 260                 config_get rts "$vif" rts
 261                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 262
 263                 config_get_bool comp "$vif" compression 0
 264                 iwpriv "$ifname" compression "$comp" >/dev/null 2>&1
 265
 266                 config_get_bool minrate "$vif" minrate
 267                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 268
 269                 config_get_bool maxrate "$vif" maxrate
 270                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 271
 272                 config_get_bool burst "$vif" bursting
 273                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 274
 275                 config_get_bool wmm "$vif" wmm
 276                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 277
 278                 config_get_bool xr "$vif" xr
 279                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 280
 281                 config_get_bool ar "$vif" ar
 282                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 283
 284                 config_get_bool beacon_power "$vif" beacon_power
 285                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 286
 287                 config_get_bool doth "$vif" doth 0
 288                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 289
 290                 config_get_bool probereq "$vif" probereq
 291                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 292
 293                 config_get maclist "$vif" maclist
 294                 [ -n "$maclist" ] && {
 295                         # flush MAC list
 296                         iwpriv "$ifname" maccmd 3
 297                         for mac in $maclist; do
 298                                 iwpriv "$ifname" addmac "$mac"
 299                         done
 300                 }
 301
 302                 config_get macpolicy "$vif" macpolicy
 303                 case "$macpolicy" in
 304                         allow)
 305                                 iwpriv "$ifname" maccmd 1
 306                         ;;
 307                         deny)
 308                                 iwpriv "$ifname" maccmd 2
 309                         ;;
 310                         *)
 311                                 # default deny policy if mac list exists
 312                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 313                         ;;
 314                 esac
 315
 316                 ifconfig "$ifname" up
 317
 318                 local net_cfg bridge
 319                 net_cfg="$(find_net_config "$vif")"
 320                 [ -z "$net_cfg" ] || {
 321                         bridge="$(bridge_interface "$net_cfg")"
 322                         config_set "$vif" bridge "$bridge"
 323                         start_net "$ifname" "$net_cfg"
 324                 }
 325
 326                 config_get ssid "$vif" ssid
 327                 [ -n "$ssid" ] && {
 328                         iwconfig "$ifname" essid on
 329                         iwconfig "$ifname" essid "$ssid"
 330                 }
 331
 332                 set_wifi_up "$vif" "$ifname"
 333
 334                 # TXPower settings only work if device is up already
 335                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 336                 # adjustment it does not work with the current atheros hal/madwifi driver
 337
 338                 config_get vif_txpower "$vif" txpower
 339                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 340                 # the latter doesn't exist
 341                 txpower="${txpower:-$vif_txpower}"
 342                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 343
 344                 case "$mode" in
 345                         ap)
 346                                 config_get_bool isolate "$vif" isolate 0
 347                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 348
 349                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 350                                         hostapd_setup_vif "$vif" madwifi || {
 351                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 352                                                 # make sure this wifi interface won't accidentally stay open without encryption
 353                                                 ifconfig "$ifname" down
 354                                                 wlanconfig "$ifname" destroy
 355                                                 continue
 356                                         }
 357                                 fi
 358                         ;;
 359                         wds|sta)
 360                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 361                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 362                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 363                                                 ifconfig "$ifname" down
 364                                                 wlanconfig "$ifname" destroy
 365                                                 continue
 366                                         }
 367                                 fi
 368                         ;;
 369                 esac
 370         done
 371 }
 372
 373
 374 detect_atheros() {
 375         cd /proc/sys/dev
 376         [ -d ath ] || return
 377         for dev in $(ls -d wifi* 2>&-); do
 378                 config_get type "$dev" type
 379                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 380                 case "$devname" in
 381                         "NanoStation Loco2")
 382                                 EXTRA_DEV="
 383 # Ubiquiti NanoStation Loco2 features
 384         option antenna  vertical # (horizontal|vertical)
 385 "
 386                         ;;
 387                         "NanoStation Loco5")
 388                                 EXTRA_DEV="
 389 # Ubiquiti NanoStation Loco5 features
 390         option antenna  auto # (auto|horizontal|vertical)
 391 "
 392                         ;;
 393                         NanoStation*)
 394                                 EXTRA_DEV="
 395 # Ubiquiti NanoStation features
 396         option antenna  auto # (auto|horizontal|vertical|external)
 397 "
 398                         ;;
 399                 esac
 400                 [ "$type" = atheros ] && continue
 401                 cat <<EOF
 402 config wifi-device  $dev
 403         option type     atheros
 404         option channel  auto
 405 $EXTRA_DEV
 406         # REMOVE THIS LINE TO ENABLE WIFI:
 407         option disabled 1
 408
 409 config wifi-iface
 410         option device   $dev
 411         option network  lan
 412         option mode     ap
 413         option ssid     OpenWrt
 414         option encryption none
 415 EOF
 416         done
 417 }