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

   1 #!/bin/sh
   2 append DRIVERS "atheros"
   3
   4 find_atheros_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/sys/dev
  11                 for phy in $(ls -d wifi* 2>&-); do
  12                         [ "$macaddr" = "$(cat /sys/class/net/${phy}/address)" ] || continue
  13                         config_set "$device" phy "$phy"
  14                         break
  15                 done
  16                 config_get phy "$device" phy
  17         }
  18         [ -n "$phy" -a -d "/proc/sys/dev/$phy" ] || {
  19                 echo "phy for wifi device $1 not found"
  20                 return 1
  21         }
  22         [ -z "$macaddr" ] && {
  23                 config_set "$device" macaddr "$(cat /sys/class/net/${phy}/address)"
  24         }
  25         return 0
  26 }
  27
  28 scan_atheros() {
  29         local device="$1"
  30         local wds
  31         local adhoc ahdemo sta ap monitor
  32
  33         [ ${device%[0-9]} = "wifi" ] && config_set "$device" phy "$device"
  34
  35         config_get vifs "$device" vifs
  36         for vif in $vifs; do
  37
  38                 config_get ifname "$vif" ifname
  39                 config_set "$vif" ifname "${ifname:-ath}"
  40
  41                 config_get mode "$vif" mode
  42                 case "$mode" in
  43                         adhoc|ahdemo|sta|ap|monitor)
  44                                 append $mode "$vif"
  45                         ;;
  46                         wds)
  47                                 config_get ssid "$vif" ssid
  48                                 [ -z "$ssid" ] && continue
  49
  50                                 config_set "$vif" wds 1
  51                                 config_set "$vif" mode sta
  52                                 mode="sta"
  53                                 addr="$ssid"
  54                                 ${addr:+append $mode "$vif"}
  55                         ;;
  56                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  57                 esac
  58         done
  59
  60         case "${adhoc:+1}:${sta:+1}:${ap:+1}" in
  61                 # valid mode combinations
  62                 1::) wds="";;
  63                 1::1);;
  64                 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
  65                 :1:);;
  66                 ::1);;
  67                 ::);;
  68                 *) echo "$device: Invalid mode combination in config"; return 1;;
  69         esac
  70
  71         config_set "$device" vifs "${sta:+$sta }${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${wds:+$wds }${monitor:+$monitor}"
  72 }
  73
  74
  75 disable_atheros() (
  76         local device="$1"
  77
  78         find_atheros_phy "$device" || return 0
  79         config_get phy "$device" phy
  80
  81         set_wifi_down "$device"
  82
  83         include /lib/network
  84         cd /proc/sys/net
  85         for dev in *; do
  86                 grep "$phy" "$dev/%parent" >/dev/null 2>/dev/null && {
  87                         [ -f "/var/run/wifi-${dev}.pid" ] &&
  88                                 kill "$(cat "/var/run/wifi-${dev}.pid")"
  89                         ifconfig "$dev" down
  90                         unbridge "$dev"
  91                         wlanconfig "$dev" destroy
  92                 }
  93         done
  94         return 0
  95 )
  96
  97 enable_atheros() {
  98         local device="$1"
  99
 100         find_atheros_phy "$device" || return 0
 101         config_get phy "$device" phy
 102
 103         config_get regdomain "$device" regdomain
 104         [ -n "$regdomain" ] && echo "$regdomain" > /proc/sys/dev/$phy/regdomain
 105
 106         config_get country "$device" country
 107         [ -z "$country" ] && country="0"
 108         echo "$country" > /proc/sys/dev/$phy/countrycode
 109
 110         config_get_bool outdoor "$device" outdoor "0"
 111         echo "$outdoor" > /proc/sys/dev/$phy/outdoor
 112
 113         config_get channel "$device" channel
 114         config_get vifs "$device" vifs
 115         config_get txpower "$device" txpower
 116
 117         [ auto = "$channel" ] && channel=0
 118
 119         config_get_bool antdiv "$device" diversity
 120         config_get antrx "$device" rxantenna
 121         config_get anttx "$device" txantenna
 122         config_get_bool softled "$device" softled
 123         config_get antenna "$device" antenna
 124
 125         devname="$(cat /proc/sys/dev/$phy/dev_name)"
 126         local antgpio=
 127         local invert=
 128         case "$devname" in
 129                 NanoStation2) antgpio=7; invert=1;;
 130                 NanoStation5) antgpio=1; invert=1;;
 131                 "NanoStation Loco2") antgpio=2;;
 132                 "NanoStation Loco5")
 133                         case "$antenna" in
 134                                 horizontal) antdiv=0; anttx=1; antrx=1;;
 135                                 vertical) antdiv=0; anttx=2; antrx=2;;
 136                                 *) antdiv=1; anttx=0; antrx=0;;
 137                         esac
 138                 ;;
 139         esac
 140         if [ -n "$invert" ]; then
 141                 _set="clear"
 142                 _clear="set"
 143         else
 144                 _set="set"
 145                 _clear="clear"
 146         fi
 147         if [ -n "$antgpio" ]; then
 148                 softled=0
 149                 case "$devname" in
 150                         "NanoStation Loco2")
 151                                 antdiv=0
 152                                 antrx=1
 153                                 anttx=1
 154                                 case "$antenna" in
 155                                         horizontal) gpioval=0;;
 156                                         *) gpioval=1;;
 157                                 esac
 158                         ;;
 159                         *)
 160                                 case "$antenna" in
 161                                         external) antdiv=0; antrx=1; anttx=1; gpioval=1;;
 162                                         horizontal) antdiv=0; antrx=1; anttx=1; gpioval=0;;
 163                                         vertical) antdiv=0; antrx=2; anttx=2; gpioval=0;;
 164                                         auto) antdiv=1; antrx=0; anttx=0; gpioval=0;;
 165                                 esac
 166                         ;;
 167                 esac
 168
 169                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 170                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 171                 case "$gpioval" in
 172                         0)
 173                                 gpioctl "$_clear" "$antgpio" >/dev/null 2>&1
 174                         ;;
 175                         1)
 176                                 gpioctl "$_set" "$antgpio" >/dev/null 2>&1
 177                         ;;
 178                 esac
 179         fi
 180
 181         [ -n "$antdiv" ] && sysctl -w dev."$phy".diversity="$antdiv" >&-
 182         [ -n "$antrx" ] && sysctl -w dev."$phy".rxantenna="$antrx" >&-
 183         [ -n "$anttx" ] && sysctl -w dev."$phy".txantenna="$anttx" >&-
 184         [ -n "$softled" ] && sysctl -w dev."$phy".softled="$softled" >&-
 185
 186         config_get distance "$device" distance
 187         [ -n "$distance" ] && sysctl -w dev."$phy".distance="$distance" >&-
 188
 189         for vif in $vifs; do
 190                 local start_hostapd= vif_txpower= nosbeacon=
 191                 config_get ifname "$vif" ifname
 192                 config_get enc "$vif" encryption
 193                 config_get eap_type "$vif" eap_type
 194                 config_get mode "$vif" mode
 195
 196                 case "$mode" in
 197                         sta) config_get_bool nosbeacon "$device" nosbeacon;;
 198                         adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;;
 199                 esac
 200
 201                 [ "$nosbeacon" = 1 ] || nosbeacon=""
 202                 ifname=$(wlanconfig "$ifname" create wlandev "$phy" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 203                 [ $? -ne 0 ] && {
 204                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 205                         continue
 206                 }
 207                 config_set "$vif" ifname "$ifname"
 208
 209                 config_get hwmode "$device" hwmode
 210                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 211
 212                 pureg=0
 213                 case "$hwmode" in
 214                         *b) hwmode=11b;;
 215                         *bg) hwmode=11g;;
 216                         *g) hwmode=11g; pureg=1;;
 217                         *gdt) hwmode=11gdt;;
 218                         *a) hwmode=11a;;
 219                         *adt) hwmode=11adt;;
 220                         *ast) hwmode=11ast;;
 221                         *fh) hwmode=fh;;
 222                         *) hwmode=auto;;
 223                 esac
 224                 iwpriv "$ifname" mode "$hwmode"
 225                 iwpriv "$ifname" pureg "$pureg"
 226
 227                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 228
 229                 config_get_bool hidden "$vif" hidden 0
 230                 iwpriv "$ifname" hide_ssid "$hidden"
 231
 232                 config_get ff "$vif" ff
 233                 if [ -n "$ff" ]; then
 234                         iwpriv "$ifname" ff "$ff"
 235                 fi
 236
 237                 config_get wds "$vif" wds
 238                 case "$wds" in
 239                         1|on|enabled) wds=1;;
 240                         *) wds=0;;
 241                 esac
 242                 iwpriv "$ifname" wds "$wds" >/dev/null 2>&1
 243
 244                 [ "$mode" = ap -a "$wds" = 1 ] && {
 245                         config_get_bool wdssep "$vif" wdssep 1
 246                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 247                 }
 248
 249                 case "$enc" in
 250                         wep*)
 251                                 case "$enc" in
 252                                         *shared*) iwpriv "$ifname" authmode 2;;
 253                                         *)        iwpriv "$ifname" authmode 1;;
 254                                 esac
 255                                 for idx in 1 2 3 4; do
 256                                         config_get key "$vif" "key${idx}"
 257                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 258                                 done
 259                                 config_get key "$vif" key
 260                                 key="${key:-1}"
 261                                 case "$key" in
 262                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 263                                         *) iwconfig "$ifname" enc "$key";;
 264                                 esac
 265                         ;;
 266                         psk*|wpa*)
 267                                 start_hostapd=1
 268                                 config_get key "$vif" key
 269                         ;;
 270                 esac
 271
 272                 case "$mode" in
 273                         sta|adhoc|ahdemo)
 274                                 config_get addr "$vif" bssid
 275                                 [ -z "$addr" ] || {
 276                                         iwconfig "$ifname" ap "$addr"
 277                                 }
 278                         ;;
 279                 esac
 280
 281                 config_get_bool uapsd "$vif" uapsd 0
 282                 iwpriv "$ifname" uapsd "$uapsd"
 283
 284                 config_get_bool bgscan "$vif" bgscan
 285                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 286
 287                 config_get rate "$vif" rate
 288                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 289
 290                 config_get mcast_rate "$vif" mcast_rate
 291                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 292
 293                 config_get frag "$vif" frag
 294                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 295
 296                 config_get rts "$vif" rts
 297                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 298
 299                 config_get_bool comp "$vif" compression 0
 300                 iwpriv "$ifname" compression "$comp" >/dev/null 2>&1
 301
 302                 config_get_bool minrate "$vif" minrate
 303                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 304
 305                 config_get_bool maxrate "$vif" maxrate
 306                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 307
 308                 config_get_bool burst "$vif" bursting
 309                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 310
 311                 config_get_bool wmm "$vif" wmm
 312                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 313
 314                 config_get_bool xr "$vif" xr
 315                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 316
 317                 config_get_bool ar "$vif" ar
 318                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 319
 320                 config_get_bool beacon_power "$vif" beacon_power
 321                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 322
 323                 config_get_bool doth "$vif" doth 0
 324                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 325
 326                 config_get_bool probereq "$vif" probereq
 327                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 328
 329                 config_get maclist "$vif" maclist
 330                 [ -n "$maclist" ] && {
 331                         # flush MAC list
 332                         iwpriv "$ifname" maccmd 3
 333                         for mac in $maclist; do
 334                                 iwpriv "$ifname" addmac "$mac"
 335                         done
 336                 }
 337
 338                 config_get macpolicy "$vif" macpolicy
 339                 case "$macpolicy" in
 340                         allow)
 341                                 iwpriv "$ifname" maccmd 1
 342                         ;;
 343                         deny)
 344                                 iwpriv "$ifname" maccmd 2
 345                         ;;
 346                         *)
 347                                 # default deny policy if mac list exists
 348                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 349                         ;;
 350                 esac
 351
 352                 ifconfig "$ifname" up
 353
 354                 local net_cfg bridge
 355                 net_cfg="$(find_net_config "$vif")"
 356                 [ -z "$net_cfg" ] || {
 357                         bridge="$(bridge_interface "$net_cfg")"
 358                         config_set "$vif" bridge "$bridge"
 359                         start_net "$ifname" "$net_cfg"
 360                 }
 361
 362                 config_get ssid "$vif" ssid
 363                 [ -n "$ssid" ] && {
 364                         iwconfig "$ifname" essid on
 365                         iwconfig "$ifname" essid "$ssid"
 366                 }
 367
 368                 set_wifi_up "$vif" "$ifname"
 369
 370                 # TXPower settings only work if device is up already
 371                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 372                 # adjustment it does not work with the current atheros hal/madwifi driver
 373
 374                 config_get vif_txpower "$vif" txpower
 375                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 376                 # the latter doesn't exist
 377                 txpower="${txpower:-$vif_txpower}"
 378                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 379
 380                 case "$mode" in
 381                         ap)
 382                                 config_get_bool isolate "$vif" isolate 0
 383                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 384
 385                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 386                                         hostapd_setup_vif "$vif" madwifi || {
 387                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 388                                                 # make sure this wifi interface won't accidentally stay open without encryption
 389                                                 ifconfig "$ifname" down
 390                                                 wlanconfig "$ifname" destroy
 391                                                 continue
 392                                         }
 393                                 fi
 394                         ;;
 395                         wds|sta)
 396                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 397                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 398                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 399                                                 ifconfig "$ifname" down
 400                                                 wlanconfig "$ifname" destroy
 401                                                 continue
 402                                         }
 403                                 fi
 404                         ;;
 405                 esac
 406         done
 407 }
 408
 409 check_atheros_device() {
 410         [ ${1%[0-9]} = "wifi" ] && config_set "$1" phy "$1"
 411         config_get phy "$1" phy
 412         [ -z "$phy" ] && {
 413                 find_atheros_phy "$1" >/dev/null || return 0
 414                 config_get phy "$1" phy
 415         }
 416         [ "$phy" = "$dev" ] && found=1
 417 }
 418
 419
 420 detect_atheros() {
 421         devidx=0
 422         config_load wireless
 423         while :; do
 424                 config_get type "radio$devidx" type
 425                 [ -n "$type" ] || break
 426                 devidx=$(($devidx + 1))
 427         done
 428         cd /proc/sys/dev
 429         [ -d ath ] || return
 430         for dev in $(ls -d wifi* 2>&-); do
 431                 found=0
 432                 config_foreach check_atheros_device wifi-device
 433                 [ "$found" -gt 0 ] && continue
 434
 435                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 436                 case "$devname" in
 437                         "NanoStation Loco2")
 438                                 EXTRA_DEV="
 439 # Ubiquiti NanoStation Loco2 features
 440         option antenna  vertical # (horizontal|vertical)
 441 "
 442                         ;;
 443                         "NanoStation Loco5")
 444                                 EXTRA_DEV="
 445 # Ubiquiti NanoStation Loco5 features
 446         option antenna  auto # (auto|horizontal|vertical)
 447 "
 448                         ;;
 449                         NanoStation*)
 450                                 EXTRA_DEV="
 451 # Ubiquiti NanoStation features
 452         option antenna  auto # (auto|horizontal|vertical|external)
 453 "
 454                         ;;
 455                 esac
 456
 457                 cat <<EOF
 458 config wifi-device  radio$devidx
 459         option type     atheros
 460         option channel  auto
 461         option macaddr  $(cat /sys/class/net/${dev}/address)
 462 $EXTRA_DEV
 463         # REMOVE THIS LINE TO ENABLE WIFI:
 464         option disabled 1
 465
 466 config wifi-iface
 467         option device   radio$devidx
 468         option network  lan
 469         option mode     ap
 470         option ssid     OpenWrt
 471         option encryption none
 472 EOF
 473         devidx=$(($devidx + 1))
 474         done
 475 }