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 "$device"
  34
  35         local ifidx=0
  36
  37         config_get vifs "$device" vifs
  38         for vif in $vifs; do
  39                 config_get_bool disabled "$vif" disabled 0
  40                 [ $disabled = 0 ] || continue
  41
  42                 local vifname
  43                 [ $ifidx -gt 0 ] && vifname="ath${device#radio}-$ifidx" || vifname="ath${device#radio}"
  44
  45                 config_get ifname "$vif" ifname
  46                 config_set "$vif" ifname "${ifname:-$vifname}"
  47
  48                 config_get mode "$vif" mode
  49                 case "$mode" in
  50                         adhoc|ahdemo|sta|ap|monitor)
  51                                 append $mode "$vif"
  52                         ;;
  53                         wds)
  54                                 config_get ssid "$vif" ssid
  55                                 [ -z "$ssid" ] && continue
  56
  57                                 config_set "$vif" wds 1
  58                                 config_set "$vif" mode sta
  59                                 mode="sta"
  60                                 addr="$ssid"
  61                                 ${addr:+append $mode "$vif"}
  62                         ;;
  63                         *) echo "$device($vif): Invalid mode, ignored."; continue;;
  64                 esac
  65
  66                 ifidx=$(($ifidx + 1))
  67         done
  68
  69         case "${adhoc:+1}:${sta:+1}:${ap:+1}" in
  70                 # valid mode combinations
  71                 1::) wds="";;
  72                 1::1);;
  73                 :1:1)config_set "$device" nosbeacon 1;; # AP+STA, can't use beacon timers for STA
  74                 :1:);;
  75                 ::1);;
  76                 ::);;
  77                 *) echo "$device: Invalid mode combination in config"; return 1;;
  78         esac
  79
  80         config_set "$device" vifs "${sta:+$sta }${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${wds:+$wds }${monitor:+$monitor}"
  81 }
  82
  83
  84 disable_atheros() (
  85         local device="$1"
  86
  87         find_atheros_phy "$device" || return 0
  88         config_get phy "$device" phy
  89
  90         set_wifi_down "$device"
  91
  92         include /lib/network
  93         cd /proc/sys/net
  94         for dev in *; do
  95                 grep "$phy" "$dev/%parent" >/dev/null 2>/dev/null && {
  96                         [ -f "/var/run/wifi-${dev}.pid" ] &&
  97                                 kill "$(cat "/var/run/wifi-${dev}.pid")"
  98                         ifconfig "$dev" down
  99                         unbridge "$dev"
 100                         wlanconfig "$dev" destroy
 101                 }
 102         done
 103         return 0
 104 )
 105
 106 enable_atheros() {
 107         local device="$1"
 108
 109         find_atheros_phy "$device" || return 0
 110         config_get phy "$device" phy
 111
 112         config_get regdomain "$device" regdomain
 113         [ -n "$regdomain" ] && echo "$regdomain" > /proc/sys/dev/$phy/regdomain
 114
 115         config_get country "$device" country
 116         case "$country" in
 117                 [A-Za-z]*) country=`grep -i "$country" /lib/wifi/madwifi_countrycodes.txt |cut -d " " -f 2`;;
 118                 [0-9]*) ;;
 119                 *) country="" ;;
 120         esac
 121         [ -n "$country" ] && echo "$country" > /proc/sys/dev/$phy/countrycode
 122
 123         config_get_bool outdoor "$device" outdoor "0"
 124         echo "$outdoor" > /proc/sys/dev/$phy/outdoor
 125
 126         config_get channel "$device" channel
 127         config_get vifs "$device" vifs
 128         config_get txpower "$device" txpower
 129
 130         [ auto = "$channel" ] && channel=0
 131
 132         config_get_bool antdiv "$device" diversity
 133         config_get antrx "$device" rxantenna
 134         config_get anttx "$device" txantenna
 135         config_get_bool softled "$device" softled
 136         config_get antenna "$device" antenna
 137
 138         devname="$(cat /proc/sys/dev/$phy/dev_name)"
 139         local antgpio=
 140         local invert=
 141         case "$devname" in
 142                 NanoStation2) antgpio=7; invert=1;;
 143                 NanoStation5) antgpio=1; invert=1;;
 144                 "NanoStation Loco2") antgpio=2;;
 145                 "NanoStation Loco5")
 146                         case "$antenna" in
 147                                 horizontal) antdiv=0; anttx=1; antrx=1;;
 148                                 vertical) antdiv=0; anttx=2; antrx=2;;
 149                                 *) antdiv=1; anttx=0; antrx=0;;
 150                         esac
 151                 ;;
 152         esac
 153         if [ -n "$invert" ]; then
 154                 _set="clear"
 155                 _clear="set"
 156         else
 157                 _set="set"
 158                 _clear="clear"
 159         fi
 160         if [ -n "$antgpio" ]; then
 161                 softled=0
 162                 case "$devname" in
 163                         "NanoStation Loco2")
 164                                 antdiv=0
 165                                 antrx=1
 166                                 anttx=1
 167                                 case "$antenna" in
 168                                         horizontal) gpioval=0;;
 169                                         *) gpioval=1;;
 170                                 esac
 171                         ;;
 172                         *)
 173                                 case "$antenna" in
 174                                         external) antdiv=0; antrx=1; anttx=1; gpioval=1;;
 175                                         horizontal) antdiv=0; antrx=1; anttx=1; gpioval=0;;
 176                                         vertical) antdiv=0; antrx=2; anttx=2; gpioval=0;;
 177                                         auto) antdiv=1; antrx=0; anttx=0; gpioval=0;;
 178                                 esac
 179                         ;;
 180                 esac
 181
 182                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 183                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 184                 case "$gpioval" in
 185                         0)
 186                                 gpioctl "$_clear" "$antgpio" >/dev/null 2>&1
 187                         ;;
 188                         1)
 189                                 gpioctl "$_set" "$antgpio" >/dev/null 2>&1
 190                         ;;
 191                 esac
 192         fi
 193
 194         [ -n "$antdiv" ] && sysctl -w dev."$phy".diversity="$antdiv" >&-
 195         [ -n "$antrx" ] && sysctl -w dev."$phy".rxantenna="$antrx" >&-
 196         [ -n "$anttx" ] && sysctl -w dev."$phy".txantenna="$anttx" >&-
 197         [ -n "$softled" ] && sysctl -w dev."$phy".softled="$softled" >&-
 198
 199         config_get distance "$device" distance
 200         [ -n "$distance" ] && sysctl -w dev."$phy".distance="$distance" >&-
 201
 202         for vif in $vifs; do
 203                 local start_hostapd= vif_txpower= nosbeacon=
 204                 config_get ifname "$vif" ifname
 205                 config_get enc "$vif" encryption
 206                 config_get eap_type "$vif" eap_type
 207                 config_get mode "$vif" mode
 208
 209                 case "$mode" in
 210                         sta) config_get_bool nosbeacon "$device" nosbeacon;;
 211                         adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;;
 212                 esac
 213
 214                 [ "$nosbeacon" = 1 ] || nosbeacon=""
 215                 ifname=$(wlanconfig "$ifname" create nounit wlandev "$phy" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 216                 [ $? -ne 0 ] && {
 217                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 218                         continue
 219                 }
 220                 config_set "$vif" ifname "$ifname"
 221
 222                 config_get hwmode "$device" hwmode
 223                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 224
 225                 pureg=0
 226                 case "$hwmode" in
 227                         *b) hwmode=11b;;
 228                         *bg) hwmode=11g;;
 229                         *g) hwmode=11g; pureg=1;;
 230                         *gdt) hwmode=11gdt;;
 231                         *a) hwmode=11a;;
 232                         *adt) hwmode=11adt;;
 233                         *ast) hwmode=11ast;;
 234                         *fh) hwmode=fh;;
 235                         *) hwmode=auto;;
 236                 esac
 237                 iwpriv "$ifname" mode "$hwmode"
 238                 iwpriv "$ifname" pureg "$pureg"
 239
 240                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 241
 242                 config_get_bool hidden "$vif" hidden 0
 243                 iwpriv "$ifname" hide_ssid "$hidden"
 244
 245                 config_get ff "$vif" ff
 246                 if [ -n "$ff" ]; then
 247                         iwpriv "$ifname" ff "$ff"
 248                 fi
 249
 250                 config_get wds "$vif" wds
 251                 case "$wds" in
 252                         1|on|enabled) wds=1;;
 253                         *) wds=0;;
 254                 esac
 255                 iwpriv "$ifname" wds "$wds" >/dev/null 2>&1
 256
 257                 [ "$mode" = ap -a "$wds" = 1 ] && {
 258                         config_get_bool wdssep "$vif" wdssep 1
 259                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 260                 }
 261
 262                 case "$enc" in
 263                         wep*)
 264                                 case "$enc" in
 265                                         *shared*) iwpriv "$ifname" authmode 2;;
 266                                         *)        iwpriv "$ifname" authmode 1;;
 267                                 esac
 268                                 for idx in 1 2 3 4; do
 269                                         config_get key "$vif" "key${idx}"
 270                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 271                                 done
 272                                 config_get key "$vif" key
 273                                 key="${key:-1}"
 274                                 case "$key" in
 275                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 276                                         *) iwconfig "$ifname" enc "$key";;
 277                                 esac
 278                         ;;
 279                         psk*|wpa*)
 280                                 start_hostapd=1
 281                                 config_get key "$vif" key
 282                         ;;
 283                 esac
 284
 285                 case "$mode" in
 286                         sta|adhoc|ahdemo)
 287                                 config_get addr "$vif" bssid
 288                                 [ -z "$addr" ] || {
 289                                         iwconfig "$ifname" ap "$addr"
 290                                 }
 291                         ;;
 292                 esac
 293
 294                 config_get_bool uapsd "$vif" uapsd 0
 295                 iwpriv "$ifname" uapsd "$uapsd"
 296
 297                 config_get_bool bgscan "$vif" bgscan
 298                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 299
 300                 config_get rate "$vif" rate
 301                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 302
 303                 config_get mcast_rate "$vif" mcast_rate
 304                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 305
 306                 config_get frag "$vif" frag
 307                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 308
 309                 config_get rts "$vif" rts
 310                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 311
 312                 config_get_bool comp "$vif" compression 0
 313                 iwpriv "$ifname" compression "$comp" >/dev/null 2>&1
 314
 315                 config_get minrate "$vif" minrate
 316                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 317
 318                 config_get maxrate "$vif" maxrate
 319                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 320
 321                 config_get_bool burst "$vif" bursting
 322                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 323
 324                 config_get_bool wmm "$vif" wmm
 325                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 326
 327                 config_get_bool xr "$vif" xr
 328                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 329
 330                 config_get_bool ar "$vif" ar
 331                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 332
 333                 config_get_bool beacon_power "$vif" beacon_power
 334                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 335
 336                 config_get_bool doth "$vif" doth 0
 337                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 338
 339                 config_get_bool probereq "$vif" probereq
 340                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 341
 342                 config_get maclist "$vif" maclist
 343                 [ -n "$maclist" ] && {
 344                         # flush MAC list
 345                         iwpriv "$ifname" maccmd 3
 346                         for mac in $maclist; do
 347                                 iwpriv "$ifname" addmac "$mac"
 348                         done
 349                 }
 350
 351                 config_get macpolicy "$vif" macpolicy
 352                 case "$macpolicy" in
 353                         allow)
 354                                 iwpriv "$ifname" maccmd 1
 355                         ;;
 356                         deny)
 357                                 iwpriv "$ifname" maccmd 2
 358                         ;;
 359                         *)
 360                                 # default deny policy if mac list exists
 361                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 362                         ;;
 363                 esac
 364
 365                 ifconfig "$ifname" up
 366
 367                 local net_cfg bridge
 368                 net_cfg="$(find_net_config "$vif")"
 369                 [ -z "$net_cfg" ] || {
 370                         bridge="$(bridge_interface "$net_cfg")"
 371                         config_set "$vif" bridge "$bridge"
 372                         start_net "$ifname" "$net_cfg"
 373                 }
 374
 375                 config_get ssid "$vif" ssid
 376                 [ -n "$ssid" ] && {
 377                         iwconfig "$ifname" essid on
 378                         iwconfig "$ifname" essid ${ssid:+-- }"$ssid"
 379                 }
 380
 381                 set_wifi_up "$vif" "$ifname"
 382
 383                 # TXPower settings only work if device is up already
 384                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 385                 # adjustment it does not work with the current atheros hal/madwifi driver
 386
 387                 config_get vif_txpower "$vif" txpower
 388                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 389                 # the latter doesn't exist
 390                 txpower="${txpower:-$vif_txpower}"
 391                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 392
 393                 case "$mode" in
 394                         ap)
 395                                 config_get_bool isolate "$vif" isolate 0
 396                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 397
 398                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 399                                         hostapd_setup_vif "$vif" madwifi || {
 400                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 401                                                 # make sure this wifi interface won't accidentally stay open without encryption
 402                                                 ifconfig "$ifname" down
 403                                                 wlanconfig "$ifname" destroy
 404                                                 continue
 405                                         }
 406                                 fi
 407                         ;;
 408                         wds|sta)
 409                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 410                                         wpa_supplicant_setup_vif "$vif" wext || {
 411                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 412                                                 ifconfig "$ifname" down
 413                                                 wlanconfig "$ifname" destroy
 414                                                 continue
 415                                         }
 416                                 fi
 417                         ;;
 418                         adhoc)
 419                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 420                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 421                                                 echo "enable_atheros($device): Failed to set up wpa"
 422                                                 ifconfig "$ifname" down
 423                                                 wlanconfig "$ifname" destroy
 424                                                 continue
 425                                         }
 426                                 fi
 427                 esac
 428         done
 429 }
 430
 431 check_atheros_device() {
 432         [ ${1%[0-9]} = "wifi" ] && config_set "$1" phy "$1"
 433         config_get phy "$1" phy
 434         [ -z "$phy" ] && {
 435                 find_atheros_phy "$1" >/dev/null || return 0
 436                 config_get phy "$1" phy
 437         }
 438         [ "$phy" = "$dev" ] && found=1
 439 }
 440
 441
 442 detect_atheros() {
 443         devidx=0
 444         config_load wireless
 445         while :; do
 446                 config_get type "radio$devidx" type
 447                 [ -n "$type" ] || break
 448                 devidx=$(($devidx + 1))
 449         done
 450         cd /proc/sys/dev
 451         [ -d ath ] || return
 452         for dev in $(ls -d wifi* 2>&-); do
 453                 found=0
 454                 config_foreach check_atheros_device wifi-device
 455                 [ "$found" -gt 0 ] && continue
 456
 457                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 458                 case "$devname" in
 459                         "NanoStation Loco2")
 460                                 EXTRA_DEV="
 461 # Ubiquiti NanoStation Loco2 features
 462         option antenna  vertical # (horizontal|vertical)
 463 "
 464                         ;;
 465                         "NanoStation Loco5")
 466                                 EXTRA_DEV="
 467 # Ubiquiti NanoStation Loco5 features
 468         option antenna  auto # (auto|horizontal|vertical)
 469 "
 470                         ;;
 471                         NanoStation*)
 472                                 EXTRA_DEV="
 473 # Ubiquiti NanoStation features
 474         option antenna  auto # (auto|horizontal|vertical|external)
 475 "
 476                         ;;
 477                 esac
 478
 479                 cat <<EOF
 480 config wifi-device  radio$devidx
 481         option type     atheros
 482         option channel  auto
 483         option macaddr  $(cat /sys/class/net/${dev}/address)
 484 $EXTRA_DEV
 485         # REMOVE THIS LINE TO ENABLE WIFI:
 486         option disabled 1
 487
 488 config wifi-iface
 489         option device   radio$devidx
 490         option network  lan
 491         option mode     ap
 492         option ssid     OpenWrt
 493         option encryption none
 494
 495 EOF
 496         devidx=$(($devidx + 1))
 497         done
 498 }