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