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 disabled
  32
  33         [ ${device%[0-9]} = "wifi" ] && config_set "$device" phy "$device"
  34
  35         config_get vifs "$device" vifs
  36         for vif in $vifs; do
  37                 config_get_bool disabled "$vif" disabled 0
  38                 [ $disabled = 0 ] || continue
  39
  40                 config_get ifname "$vif" ifname
  41                 config_set "$vif" ifname "${ifname:-ath}"
  42
  43                 config_get mode "$vif" mode
  44                 case "$mode" in
  45                         adhoc|ahdemo|sta|ap|monitor)
  46                                 append $mode "$vif"
  47                         ;;
  48                         wds)
  49                                 config_get ssid "$vif" ssid
  50                                 [ -z "$ssid" ] && continue
  51
  52                                 config_set "$vif" wds 1
  53                                 config_set "$vif" mode sta
  54                                 mode="sta"
  55                                 addr="$ssid"
  56                                 ${addr:+append $mode "$vif"}
  57                         ;;
  58                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  59                 esac
  60         done
  61
  62         case "${adhoc:+1}:${sta:+1}:${ap:+1}" in
  63                 # valid mode combinations
  64                 1::) wds="";;
  65                 1::1);;
  66                 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
  67                 :1:);;
  68                 ::1);;
  69                 ::);;
  70                 *) echo "$device: Invalid mode combination in config"; return 1;;
  71         esac
  72
  73         config_set "$device" vifs "${sta:+$sta }${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${wds:+$wds }${monitor:+$monitor}"
  74 }
  75
  76
  77 disable_atheros() (
  78         local device="$1"
  79
  80         find_atheros_phy "$device" || return 0
  81         config_get phy "$device" phy
  82
  83         set_wifi_down "$device"
  84
  85         include /lib/network
  86         cd /proc/sys/net
  87         for dev in *; do
  88                 grep "$phy" "$dev/%parent" >/dev/null 2>/dev/null && {
  89                         [ -f "/var/run/wifi-${dev}.pid" ] &&
  90                                 kill "$(cat "/var/run/wifi-${dev}.pid")"
  91                         ifconfig "$dev" down
  92                         unbridge "$dev"
  93                         wlanconfig "$dev" destroy
  94                 }
  95         done
  96         return 0
  97 )
  98
  99 enable_atheros() {
 100         local device="$1"
 101
 102         find_atheros_phy "$device" || return 0
 103         config_get phy "$device" phy
 104
 105         config_get regdomain "$device" regdomain
 106         [ -n "$regdomain" ] && echo "$regdomain" > /proc/sys/dev/$phy/regdomain
 107
 108         config_get country "$device" country
 109         case "$country" in
 110                 [A-Za-z]*) country=`grep -i "$country" /lib/wifi/madwifi_countrycodes.txt |cut -d " " -f 2`;;
 111                 [0-9]*) ;;
 112                 *) country="" ;;
 113         esac
 114         [ -n "$country" ] && echo "$country" > /proc/sys/dev/$phy/countrycode
 115
 116         config_get_bool outdoor "$device" outdoor "0"
 117         echo "$outdoor" > /proc/sys/dev/$phy/outdoor
 118
 119         config_get channel "$device" channel
 120         config_get vifs "$device" vifs
 121         config_get txpower "$device" txpower
 122
 123         [ auto = "$channel" ] && channel=0
 124
 125         config_get_bool antdiv "$device" diversity
 126         config_get antrx "$device" rxantenna
 127         config_get anttx "$device" txantenna
 128         config_get_bool softled "$device" softled
 129         config_get antenna "$device" antenna
 130
 131         devname="$(cat /proc/sys/dev/$phy/dev_name)"
 132         local antgpio=
 133         local invert=
 134         case "$devname" in
 135                 NanoStation2) antgpio=7; invert=1;;
 136                 NanoStation5) antgpio=1; invert=1;;
 137                 "NanoStation Loco2") antgpio=2;;
 138                 "NanoStation Loco5")
 139                         case "$antenna" in
 140                                 horizontal) antdiv=0; anttx=1; antrx=1;;
 141                                 vertical) antdiv=0; anttx=2; antrx=2;;
 142                                 *) antdiv=1; anttx=0; antrx=0;;
 143                         esac
 144                 ;;
 145         esac
 146         if [ -n "$invert" ]; then
 147                 _set="clear"
 148                 _clear="set"
 149         else
 150                 _set="set"
 151                 _clear="clear"
 152         fi
 153         if [ -n "$antgpio" ]; then
 154                 softled=0
 155                 case "$devname" in
 156                         "NanoStation Loco2")
 157                                 antdiv=0
 158                                 antrx=1
 159                                 anttx=1
 160                                 case "$antenna" in
 161                                         horizontal) gpioval=0;;
 162                                         *) gpioval=1;;
 163                                 esac
 164                         ;;
 165                         *)
 166                                 case "$antenna" in
 167                                         external) antdiv=0; antrx=1; anttx=1; gpioval=1;;
 168                                         horizontal) antdiv=0; antrx=1; anttx=1; gpioval=0;;
 169                                         vertical) antdiv=0; antrx=2; anttx=2; gpioval=0;;
 170                                         auto) antdiv=1; antrx=0; anttx=0; gpioval=0;;
 171                                 esac
 172                         ;;
 173                 esac
 174
 175                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 176                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 177                 case "$gpioval" in
 178                         0)
 179                                 gpioctl "$_clear" "$antgpio" >/dev/null 2>&1
 180                         ;;
 181                         1)
 182                                 gpioctl "$_set" "$antgpio" >/dev/null 2>&1
 183                         ;;
 184                 esac
 185         fi
 186
 187         [ -n "$antdiv" ] && sysctl -w dev."$phy".diversity="$antdiv" >&-
 188         [ -n "$antrx" ] && sysctl -w dev."$phy".rxantenna="$antrx" >&-
 189         [ -n "$anttx" ] && sysctl -w dev."$phy".txantenna="$anttx" >&-
 190         [ -n "$softled" ] && sysctl -w dev."$phy".softled="$softled" >&-
 191
 192         config_get distance "$device" distance
 193         [ -n "$distance" ] && sysctl -w dev."$phy".distance="$distance" >&-
 194
 195         for vif in $vifs; do
 196                 local start_hostapd= vif_txpower= nosbeacon=
 197                 config_get ifname "$vif" ifname
 198                 config_get enc "$vif" encryption
 199                 config_get eap_type "$vif" eap_type
 200                 config_get mode "$vif" mode
 201
 202                 case "$mode" in
 203                         sta) config_get_bool nosbeacon "$device" nosbeacon;;
 204                         adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;;
 205                 esac
 206
 207                 [ "$nosbeacon" = 1 ] || nosbeacon=""
 208                 ifname=$(wlanconfig "$ifname" create wlandev "$phy" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 209                 [ $? -ne 0 ] && {
 210                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 211                         continue
 212                 }
 213                 config_set "$vif" ifname "$ifname"
 214
 215                 config_get hwmode "$device" hwmode
 216                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 217
 218                 pureg=0
 219                 case "$hwmode" in
 220                         *b) hwmode=11b;;
 221                         *bg) hwmode=11g;;
 222                         *g) hwmode=11g; pureg=1;;
 223                         *gdt) hwmode=11gdt;;
 224                         *a) hwmode=11a;;
 225                         *adt) hwmode=11adt;;
 226                         *ast) hwmode=11ast;;
 227                         *fh) hwmode=fh;;
 228                         *) hwmode=auto;;
 229                 esac
 230                 iwpriv "$ifname" mode "$hwmode"
 231                 iwpriv "$ifname" pureg "$pureg"
 232
 233                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 234
 235                 config_get_bool hidden "$vif" hidden 0
 236                 iwpriv "$ifname" hide_ssid "$hidden"
 237
 238                 config_get ff "$vif" ff
 239                 if [ -n "$ff" ]; then
 240                         iwpriv "$ifname" ff "$ff"
 241                 fi
 242
 243                 config_get wds "$vif" wds
 244                 case "$wds" in
 245                         1|on|enabled) wds=1;;
 246                         *) wds=0;;
 247                 esac
 248                 iwpriv "$ifname" wds "$wds" >/dev/null 2>&1
 249
 250                 [ "$mode" = ap -a "$wds" = 1 ] && {
 251                         config_get_bool wdssep "$vif" wdssep 1
 252                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 253                 }
 254
 255                 case "$enc" in
 256                         wep*)
 257                                 case "$enc" in
 258                                         *shared*) iwpriv "$ifname" authmode 2;;
 259                                         *)        iwpriv "$ifname" authmode 1;;
 260                                 esac
 261                                 for idx in 1 2 3 4; do
 262                                         config_get key "$vif" "key${idx}"
 263                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 264                                 done
 265                                 config_get key "$vif" key
 266                                 key="${key:-1}"
 267                                 case "$key" in
 268                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 269                                         *) iwconfig "$ifname" enc "$key";;
 270                                 esac
 271                         ;;
 272                         psk*|wpa*)
 273                                 start_hostapd=1
 274                                 config_get key "$vif" key
 275                         ;;
 276                 esac
 277
 278                 case "$mode" in
 279                         sta|adhoc|ahdemo)
 280                                 config_get addr "$vif" bssid
 281                                 [ -z "$addr" ] || {
 282                                         iwconfig "$ifname" ap "$addr"
 283                                 }
 284                         ;;
 285                 esac
 286
 287                 config_get_bool uapsd "$vif" uapsd 0
 288                 iwpriv "$ifname" uapsd "$uapsd"
 289
 290                 config_get_bool bgscan "$vif" bgscan
 291                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 292
 293                 config_get rate "$vif" rate
 294                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 295
 296                 config_get mcast_rate "$vif" mcast_rate
 297                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 298
 299                 config_get frag "$vif" frag
 300                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 301
 302                 config_get rts "$vif" rts
 303                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 304
 305                 config_get_bool comp "$vif" compression 0
 306                 iwpriv "$ifname" compression "$comp" >/dev/null 2>&1
 307
 308                 config_get minrate "$vif" minrate
 309                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 310
 311                 config_get maxrate "$vif" maxrate
 312                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 313
 314                 config_get_bool burst "$vif" bursting
 315                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 316
 317                 config_get_bool wmm "$vif" wmm
 318                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 319
 320                 config_get_bool xr "$vif" xr
 321                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 322
 323                 config_get_bool ar "$vif" ar
 324                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 325
 326                 config_get_bool beacon_power "$vif" beacon_power
 327                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 328
 329                 config_get_bool doth "$vif" doth 0
 330                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 331
 332                 config_get_bool probereq "$vif" probereq
 333                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 334
 335                 config_get maclist "$vif" maclist
 336                 [ -n "$maclist" ] && {
 337                         # flush MAC list
 338                         iwpriv "$ifname" maccmd 3
 339                         for mac in $maclist; do
 340                                 iwpriv "$ifname" addmac "$mac"
 341                         done
 342                 }
 343
 344                 config_get macpolicy "$vif" macpolicy
 345                 case "$macpolicy" in
 346                         allow)
 347                                 iwpriv "$ifname" maccmd 1
 348                         ;;
 349                         deny)
 350                                 iwpriv "$ifname" maccmd 2
 351                         ;;
 352                         *)
 353                                 # default deny policy if mac list exists
 354                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 355                         ;;
 356                 esac
 357
 358                 ifconfig "$ifname" up
 359
 360                 local net_cfg bridge
 361                 net_cfg="$(find_net_config "$vif")"
 362                 [ -z "$net_cfg" ] || {
 363                         bridge="$(bridge_interface "$net_cfg")"
 364                         config_set "$vif" bridge "$bridge"
 365                         start_net "$ifname" "$net_cfg"
 366                 }
 367
 368                 config_get ssid "$vif" ssid
 369                 [ -n "$ssid" ] && {
 370                         iwconfig "$ifname" essid on
 371                         iwconfig "$ifname" essid ${ssid:+-- }"$ssid"
 372                 }
 373
 374                 set_wifi_up "$vif" "$ifname"
 375
 376                 # TXPower settings only work if device is up already
 377                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 378                 # adjustment it does not work with the current atheros hal/madwifi driver
 379
 380                 config_get vif_txpower "$vif" txpower
 381                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 382                 # the latter doesn't exist
 383                 txpower="${txpower:-$vif_txpower}"
 384                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 385
 386                 case "$mode" in
 387                         ap)
 388                                 config_get_bool isolate "$vif" isolate 0
 389                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 390
 391                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 392                                         hostapd_setup_vif "$vif" madwifi || {
 393                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 394                                                 # make sure this wifi interface won't accidentally stay open without encryption
 395                                                 ifconfig "$ifname" down
 396                                                 wlanconfig "$ifname" destroy
 397                                                 continue
 398                                         }
 399                                 fi
 400                         ;;
 401                         wds|sta)
 402                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 403                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 404                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 405                                                 ifconfig "$ifname" down
 406                                                 wlanconfig "$ifname" destroy
 407                                                 continue
 408                                         }
 409                                 fi
 410                         ;;
 411                 esac
 412         done
 413 }
 414
 415 check_atheros_device() {
 416         [ ${1%[0-9]} = "wifi" ] && config_set "$1" phy "$1"
 417         config_get phy "$1" phy
 418         [ -z "$phy" ] && {
 419                 find_atheros_phy "$1" >/dev/null || return 0
 420                 config_get phy "$1" phy
 421         }
 422         [ "$phy" = "$dev" ] && found=1
 423 }
 424
 425
 426 detect_atheros() {
 427         devidx=0
 428         config_load wireless
 429         while :; do
 430                 config_get type "radio$devidx" type
 431                 [ -n "$type" ] || break
 432                 devidx=$(($devidx + 1))
 433         done
 434         cd /proc/sys/dev
 435         [ -d ath ] || return
 436         for dev in $(ls -d wifi* 2>&-); do
 437                 found=0
 438                 config_foreach check_atheros_device wifi-device
 439                 [ "$found" -gt 0 ] && continue
 440
 441                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 442                 case "$devname" in
 443                         "NanoStation Loco2")
 444                                 EXTRA_DEV="
 445 # Ubiquiti NanoStation Loco2 features
 446         option antenna  vertical # (horizontal|vertical)
 447 "
 448                         ;;
 449                         "NanoStation Loco5")
 450                                 EXTRA_DEV="
 451 # Ubiquiti NanoStation Loco5 features
 452         option antenna  auto # (auto|horizontal|vertical)
 453 "
 454                         ;;
 455                         NanoStation*)
 456                                 EXTRA_DEV="
 457 # Ubiquiti NanoStation features
 458         option antenna  auto # (auto|horizontal|vertical|external)
 459 "
 460                         ;;
 461                 esac
 462
 463                 cat <<EOF
 464 config wifi-device  radio$devidx
 465         option type     atheros
 466         option channel  auto
 467         option macaddr  $(cat /sys/class/net/${dev}/address)
 468 $EXTRA_DEV
 469         # REMOVE THIS LINE TO ENABLE WIFI:
 470         option disabled 1
 471
 472 config wifi-iface
 473         option device   radio$devidx
 474         option network  lan
 475         option mode     ap
 476         option ssid     OpenWrt
 477         option encryption none
 478
 479 EOF
 480         devidx=$(($devidx + 1))
 481         done
 482 }