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         local antgpio=
  94         local invert=
  95         case "$devname" in
  96                 NanoStation2) antgpio=7; invert=1;;
  97                 NanoStation5) antgpio=1; invert=1;;
  98                 "NanoStation Loco2") antgpio=2;;
  99         esac
 100         if [ -n "$invert" ]; then
 101                 _set="clear"
 102                 _clear="set"
 103         else
 104                 _set="set"
 105                 _clear="clear"
 106         fi
 107         if [ -n "$antgpio" ]; then
 108                 softled=0
 109                 config_get antenna "$device" antenna
 110                 case "$antenna" in
 111                         external) antdiv=0; antrx=1; anttx=1 ;;
 112                         horizontal) antdiv=0; antrx=1; anttx=1 ;;
 113                         vertical) antdiv=0; antrx=2; anttx=2 ;;
 114                         auto) antdiv=1; antrx=0; anttx=0 ;;
 115                 esac
 116
 117                 [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 118                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 119                 case "$antenna" in
 120                         horizontal|vertical|auto)
 121                                 gpioctl "$_clear" "$antgpio" >/dev/null 2>&1
 122                         ;;
 123                         external)
 124                                 gpioctl "$_set" "$antgpio" >/dev/null 2>&1
 125                         ;;
 126                 esac
 127         fi
 128
 129         [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 130         [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 131         [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 132         [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 133
 134         config_get distance "$device" distance
 135         [ -n "$distance" ] && sysctl -w dev."$device".distance="$distance" >&-
 136
 137         for vif in $vifs; do
 138                 local start_hostapd= vif_txpower= nosbeacon=
 139                 config_get ifname "$vif" ifname
 140                 config_get enc "$vif" encryption
 141                 config_get eap_type "$vif" eap_type
 142                 config_get mode "$vif" mode
 143
 144                 case "$mode" in
 145                         sta) config_get_bool nosbeacon "$device" nosbeacon;;
 146                         adhoc) config_get_bool nosbeacon "$vif" sw_merge 1;;
 147                 esac
 148
 149                 [ "$nosbeacon" = 1 ] || nosbeacon=""
 150                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
 151                 [ $? -ne 0 ] && {
 152                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
 153                         continue
 154                 }
 155                 config_set "$vif" ifname "$ifname"
 156
 157                 config_get hwmode "$device" hwmode
 158                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 159
 160                 pureg=0
 161                 case "$hwmode" in
 162                         *b) hwmode=11b;;
 163                         *bg) hwmode=11g;;
 164                         *g) hwmode=11g; pureg=1;;
 165                         *gdt) hwmode=11gdt;;
 166                         *a) hwmode=11a;;
 167                         *adt) hwmode=11adt;;
 168                         *ast) hwmode=11ast;;
 169                         *fh) hwmode=fh;;
 170                         *) hwmode=auto;;
 171                 esac
 172                 iwpriv "$ifname" mode "$hwmode"
 173                 iwpriv "$ifname" pureg "$pureg"
 174
 175                 iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 176
 177                 config_get_bool hidden "$vif" hidden 0
 178                 iwpriv "$ifname" hide_ssid "$hidden"
 179
 180                 config_get ff "$vif" ff
 181                 if [ -n "$ff" ]; then
 182                         iwpriv "$ifname" ff "$ff"
 183                 fi
 184
 185                 config_get wds "$vif" wds
 186                 case "$wds" in
 187                         1|on|enabled) wds=1;;
 188                         *) wds=0;;
 189                 esac
 190                 iwpriv "$ifname" wds "$wds" >/dev/null 2>&1
 191
 192                 [ "$mode" = ap -a "$wds" = 1 ] && {
 193                         config_get_bool wdssep "$vif" wdssep 1
 194                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 195                 }
 196
 197                 case "$enc" in
 198                         WEP|wep)
 199                                 for idx in 1 2 3 4; do
 200                                         config_get key "$vif" "key${idx}"
 201                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 202                                 done
 203                                 config_get key "$vif" key
 204                                 key="${key:-1}"
 205                                 case "$key" in
 206                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 207                                         *) iwconfig "$ifname" enc "$key";;
 208                                 esac
 209                         ;;
 210                         psk*|wpa*)
 211                                 start_hostapd=1
 212                                 config_get key "$vif" key
 213                         ;;
 214                 esac
 215
 216                 case "$mode" in
 217                         sta|adhoc|ahdemo)
 218                                 config_get addr "$vif" bssid
 219                                 [ -z "$addr" ] || {
 220                                         iwconfig "$ifname" ap "$addr"
 221                                 }
 222                         ;;
 223                 esac
 224
 225                 config_get_bool uapsd "$vif" uapsd 0
 226                 iwpriv "$ifname" uapsd "$uapsd"
 227
 228                 config_get_bool bgscan "$vif" bgscan
 229                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 230
 231                 config_get rate "$vif" rate
 232                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 233
 234                 config_get mcast_rate "$vif" mcast_rate
 235                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 236
 237                 config_get frag "$vif" frag
 238                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 239
 240                 config_get rts "$vif" rts
 241                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 242
 243                 config_get_bool comp "$vif" compression 0
 244                 iwpriv "$ifname" compression "$comp" >/dev/null 2>&1
 245
 246                 config_get_bool minrate "$vif" minrate
 247                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 248
 249                 config_get_bool maxrate "$vif" maxrate
 250                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 251
 252                 config_get_bool burst "$vif" bursting
 253                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 254
 255                 config_get_bool wmm "$vif" wmm
 256                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 257
 258                 config_get_bool xr "$vif" xr
 259                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 260
 261                 config_get_bool ar "$vif" ar
 262                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 263
 264                 config_get_bool beacon_power "$vif" beacon_power
 265                 [ -n "$beacon_power" ] && iwpriv "$ifname" beacon_pwr "$beacon_power"
 266
 267                 config_get_bool doth "$vif" doth 0
 268                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 269
 270                 config_get_bool probereq "$vif" probereq
 271                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 272
 273                 config_get maclist "$vif" maclist
 274                 [ -n "$maclist" ] && {
 275                         # flush MAC list
 276                         iwpriv "$ifname" maccmd 3
 277                         for mac in $maclist; do
 278                                 iwpriv "$ifname" addmac "$mac"
 279                         done
 280                 }
 281
 282                 config_get macpolicy "$vif" macpolicy
 283                 case "$macpolicy" in
 284                         allow)
 285                                 iwpriv "$ifname" maccmd 1
 286                         ;;
 287                         deny)
 288                                 iwpriv "$ifname" maccmd 2
 289                         ;;
 290                         *)
 291                                 # default deny policy if mac list exists
 292                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 293                         ;;
 294                 esac
 295
 296                 ifconfig "$ifname" up
 297
 298                 local net_cfg bridge
 299                 net_cfg="$(find_net_config "$vif")"
 300                 [ -z "$net_cfg" ] || {
 301                         bridge="$(bridge_interface "$net_cfg")"
 302                         config_set "$vif" bridge "$bridge"
 303                         start_net "$ifname" "$net_cfg"
 304                 }
 305
 306                 config_get ssid "$vif" ssid
 307                 [ -n "$ssid" ] && {
 308                         iwconfig "$ifname" essid on
 309                         iwconfig "$ifname" essid "$ssid"
 310                 }
 311
 312                 set_wifi_up "$vif" "$ifname"
 313
 314                 # TXPower settings only work if device is up already
 315                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 316                 # adjustment it does not work with the current atheros hal/madwifi driver
 317
 318                 config_get vif_txpower "$vif" txpower
 319                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 320                 # the latter doesn't exist
 321                 txpower="${txpower:-$vif_txpower}"
 322                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 323
 324                 case "$mode" in
 325                         ap)
 326                                 config_get_bool isolate "$vif" isolate 0
 327                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 328
 329                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 330                                         hostapd_setup_vif "$vif" madwifi || {
 331                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 332                                                 # make sure this wifi interface won't accidentally stay open without encryption
 333                                                 ifconfig "$ifname" down
 334                                                 wlanconfig "$ifname" destroy
 335                                                 continue
 336                                         }
 337                                 fi
 338                         ;;
 339                         wds|sta)
 340                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 341                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 342                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 343                                                 ifconfig "$ifname" down
 344                                                 wlanconfig "$ifname" destroy
 345                                                 continue
 346                                         }
 347                                 fi
 348                         ;;
 349                 esac
 350         done
 351 }
 352
 353
 354 detect_atheros() {
 355         cd /proc/sys/dev
 356         [ -d ath ] || return
 357         for dev in $(ls -d wifi* 2>&-); do
 358                 config_get type "$dev" type
 359                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 360                 case "$devname" in
 361                         NanoStation*)
 362                                 EXTRA_DEV="
 363 # Ubiquiti NanoStation features
 364         option antenna  auto # (auto|horizontal|vertical|external)
 365 "
 366                         ;;
 367                 esac
 368                 [ "$type" = atheros ] && continue
 369                 cat <<EOF
 370 config wifi-device  $dev
 371         option type     atheros
 372         option channel  auto
 373 $EXTRA_DEV
 374         # REMOVE THIS LINE TO ENABLE WIFI:
 375         option disabled 1
 376
 377 config wifi-iface
 378         option device   $dev
 379         option network  lan
 380         option mode     ap
 381         option ssid     OpenWrt
 382         option encryption none
 383 EOF
 384         done
 385 }