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