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

   1 #!/bin/sh
   2 append DRIVERS "atheros"
   3
   4 scan_atheros() {
   5         local device="$1"
   6         local wds
   7         local adhoc sta ap
   8
   9         config_get vifs "$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 "${ap:+$ap }${adhoc:+$adhoc }${ahdemo:+$ahdemo }${sta:+$sta }${wds:+$wds }${monitor:+$monitor}"
  46 }
  47
  48
  49 disable_atheros() (
  50         local device="$1"
  51
  52         set_wifi_down "$device"
  53         # kill all running hostapd and wpa_supplicant processes that
  54         # are running on atheros vifs
  55         for pid in `pidof hostapd wpa_supplicant`; do
  56                 grep ath /proc/$pid/cmdline >/dev/null && \
  57                         kill $pid
  58         done
  59
  60         include /lib/network
  61         cd /proc/sys/net
  62         for dev in *; do
  63                 grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && {
  64                         ifconfig "$dev" down
  65                         unbridge "$dev"
  66                         wlanconfig "$dev" destroy
  67                 }
  68         done
  69         return 0
  70 )
  71
  72 enable_atheros() {
  73         local device="$1"
  74         config_get channel "$device" channel
  75         config_get vifs "$device" vifs
  76
  77         [ auto = "$channel" ] && channel=0
  78
  79         local first=1
  80         for vif in $vifs; do
  81                 local start_hostapd
  82                 nosbeacon=
  83                 config_get ifname "$vif" ifname
  84                 config_get enc "$vif" encryption
  85                 config_get eap_type "$vif" eap_type
  86                 config_get mode "$vif" mode
  87
  88                 case "$mode" in
  89                         sta) config_get nosbeacon "$device" nosbeacon;;
  90                         adhoc) config_get nosbeacon "$vif" sw_merge;;
  91                 esac
  92
  93                 config_get ifname "$vif" ifname
  94                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
  95                 [ $? -ne 0 ] && {
  96                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
  97                         continue
  98                 }
  99                 config_set "$vif" ifname "$ifname"
 100
 101                 # only need to change freq band and channel on the first vif
 102                 config_get agmode "$device" agmode
 103                 [ -z "$agmode" ] && config_get agmode "$device" mode
 104
 105                 pureg=0
 106                 case "$agmode" in
 107                         *b) agmode=11b;;
 108                         *bg) agmode=11g;;
 109                         *g) agmode=11g; pureg=1;;
 110                         *gdt) agmode=11gdt;;
 111                         *a) agmode=11a;;
 112                         *adt) agmode=11adt;;
 113                         *ast) agmode=11ast;;
 114                         *fh) agmode=fh;;
 115                         *) agmode=auto;;
 116                 esac
 117                 iwpriv "$ifname" mode "$agmode"
 118                 iwpriv "$ifname" pureg "$pureg"
 119
 120                 [ "$first" = 1 ] && {
 121                         iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 122                 }
 123
 124                 config_get_bool hidden "$vif" hidden 0
 125                 iwpriv "$ifname" hide_ssid "$hidden"
 126
 127                 config_get ff "$vif" ff
 128                 if [ -n "$ff" ]; then
 129                         iwpriv "$ifname" ff "$ff"
 130                 fi
 131
 132                 config_get wds "$vif" wds
 133                 case "$wds" in
 134                         1|on|enabled) wds=1;;
 135                         *) wds=0;;
 136                 esac
 137                 iwpriv "$ifname" wds "$wds"
 138
 139                 [ "$mode" = ap -a "$wds" = 1 ] && {
 140                         config_get_bool wdssep "$vif" wdssep 1
 141                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 142                 }
 143
 144                 case "$enc" in
 145                         WEP|wep)
 146                                 for idx in 1 2 3 4; do
 147                                         config_get key "$vif" "key${idx}"
 148                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 149                                 done
 150                                 config_get key "$vif" key
 151                                 key="${key:-1}"
 152                                 case "$key" in
 153                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 154                                         *) iwconfig "$ifname" enc "$key";;
 155                                 esac
 156                         ;;
 157                         psk*|wpa*)
 158                                 start_hostapd=1
 159                                 config_get key "$vif" key
 160                         ;;
 161                 esac
 162
 163                 case "$mode" in
 164                         adhoc|ahdemo)
 165                                 config_get addr "$vif" bssid
 166                                 [ -z "$addr" ] || {
 167                                         iwconfig "$ifname" ap "$addr"
 168                                 }
 169                         ;;
 170                 esac
 171                 config_get ssid "$vif" ssid
 172
 173                 config_get_bool bgscan "$vif" bgscan
 174                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 175
 176                 config_get_bool antdiv "$device" diversity
 177                 config_get antrx "$device" rxantenna
 178                 config_get anttx "$device" txantenna
 179                 config_get_bool softled "$device" softled 1
 180                 config_get_bool gpioctl "$device" gpioctl
 181
 182                 devname="$(cat /proc/sys/dev/$device/dev_name)"
 183                 antgpio=
 184                 case "$devname" in
 185                         NanoStation2) antgpio=wlan; [ -n "$gpioctl" ] && gpioctl=0;;
 186                         NanoStation5) antgpio=1;;
 187                 esac
 188                 if [ -n "$antgpio" ]; then
 189                         softled=0
 190                         config_get antenna "$device" antenna
 191                         case "$antenna" in
 192                                 external) antdiv=0; antrx=1; anttx=1 ;;
 193                                 horizontal) antdiv=0; antrx=1; anttx=1 ;;
 194                                 vertical) antdiv=0; antrx=2; anttx=2 ;;
 195                                 auto) antdiv=1; antrx=0; anttx=0 ;;
 196                         esac
 197
 198                         [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 199                         case "$antenna" in
 200                                 horizontal|vertical|auto)
 201                                         if [ "$gpioctl" = "0" ]; then
 202                                                 echo 1 >/sys/class/leds/$antgpio/brightness 2>&1
 203                                         else
 204                                                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 205                                                 gpioctl "set" "$antgpio" >/dev/null 2>&1
 206                                         fi
 207                                 ;;
 208                                 external)
 209                                         if [ "$gpioctl" = "0" ]; then
 210                                                 echo 0 >/sys/class/leds/$antgpio/brightness
 211                                         else
 212                                                 gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 213                                                 gpioctl "clear" "$antgpio" >/dev/null 2>&1
 214                                         fi
 215                                 ;;
 216                         esac
 217                 fi
 218
 219                 [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 220                 [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 221                 [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 222                 [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 223
 224                 config_get distance "$device" distance
 225                 [ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
 226
 227                 config_get txpwr "$vif" txpower
 228                 [ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
 229
 230                 config_get rate "$vif" rate
 231                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 232
 233                 config_get mcast_rate "$vif" mcast_rate
 234                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 235
 236                 config_get frag "$vif" frag
 237                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 238
 239                 config_get rts "$vif" rts
 240                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 241
 242                 config_get_bool comp "$vif" compression
 243                 [ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
 244
 245                 config_get_bool minrate "$vif" minrate
 246                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 247
 248                 config_get_bool maxrate "$vif" maxrate
 249                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 250
 251                 config_get_bool burst "$vif" bursting
 252                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 253
 254                 config_get_bool wmm "$vif" wmm
 255                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 256
 257                 config_get_bool xr "$vif" xr
 258                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 259
 260                 config_get_bool ar "$vif" ar
 261                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 262
 263                 config_get_bool turbo "$vif" turbo
 264                 [ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
 265
 266                 config_get_bool doth "$vif" doth 0
 267                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 268
 269                 config_get maclist "$vif" maclist
 270                 [ -n "$maclist" ] && {
 271                         # flush MAC list
 272                         iwpriv "$ifname" maccmd 3
 273                         for mac in $maclist; do
 274                                 iwpriv "$ifname" addmac "$mac"
 275                         done
 276                 }
 277
 278                 config_get macpolicy "$vif" macpolicy
 279                 case "$macpolicy" in
 280                         allow)
 281                                 iwpriv "$ifname" maccmd 1
 282                         ;;
 283                         deny)
 284                                 iwpriv "$ifname" maccmd 2
 285                         ;;
 286                         *)
 287                                 # default deny policy if mac list exists
 288                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 289                         ;;
 290                 esac
 291
 292                 ifconfig "$ifname" up
 293                 local net_cfg bridge
 294                 net_cfg="$(find_net_config "$vif")"
 295                 [ -z "$net_cfg" ] || {
 296                         bridge="$(bridge_interface "$net_cfg")"
 297                         config_set "$vif" bridge "$bridge"
 298                         start_net "$ifname" "$net_cfg"
 299                 }
 300                 [ -n "$ssid" ] && iwconfig "$ifname" essid on
 301                 iwconfig "$ifname" essid "$ssid"
 302                 set_wifi_up "$vif" "$ifname"
 303                 case "$mode" in
 304                         ap)
 305                                 config_get_bool isolate "$vif" isolate 0
 306                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 307
 308                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 309                                         hostapd_setup_vif "$vif" madwifi || {
 310                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 311                                                 # make sure this wifi interface won't accidentally stay open without encryption
 312                                                 ifconfig "$ifname" down
 313                                                 wlanconfig "$ifname" destroy
 314                                                 continue
 315                                         }
 316                                 fi
 317                         ;;
 318                         wds|sta)
 319                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 320                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 321                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 322                                                 ifconfig "$ifname" down
 323                                                 wlanconfig "$ifname" destroy
 324                                                 continue
 325                                         }
 326                                 fi
 327                         ;;
 328                 esac
 329                 first=0
 330         done
 331 }
 332
 333
 334 detect_atheros() {
 335         cd /proc/sys/dev
 336         [ -d ath ] || return
 337         for dev in $(ls -d wifi* 2>&-); do
 338                 config_get type "$dev" type
 339                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 340                 case "$devname" in
 341                         NanoStation*)
 342                                 EXTRA_DEV="
 343 # Ubiquiti NanoStation features
 344         option antenna  auto # (auto|horizontal|vertical|external)
 345 "
 346                         ;;
 347                 esac
 348                 [ "$type" = atheros ] && return
 349                 cat <<EOF
 350 config wifi-device  $dev
 351         option type     atheros
 352         option channel  auto
 353 $EXTRA_DEV
 354         # REMOVE THIS LINE TO ENABLE WIFI:
 355         option disabled 1
 356
 357 config wifi-iface
 358         option device   $dev
 359         option network  lan
 360         option mode     ap
 361         option ssid     OpenWrt
 362         option encryption none
 363 EOF
 364         done
 365 }