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
  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="$1"
  70         config_get channel "$device" channel
  71         config_get vifs "$device" vifs
  72         config_get txpower "$device" txpower
  73
  74         [ auto = "$channel" ] && channel=0
  75
  76         local first=1
  77         for vif in $vifs; do
  78                 local start_hostapd vif_txpower
  79                 nosbeacon=
  80                 config_get ifname "$vif" ifname
  81                 config_get enc "$vif" encryption
  82                 config_get eap_type "$vif" eap_type
  83                 config_get mode "$vif" mode
  84
  85                 case "$mode" in
  86                         sta) config_get nosbeacon "$device" nosbeacon;;
  87                         adhoc) config_get nosbeacon "$vif" sw_merge;;
  88                 esac
  89
  90                 config_get ifname "$vif" ifname
  91                 ifname=$(wlanconfig "$ifname" create wlandev "$device" wlanmode "$mode" ${nosbeacon:+nosbeacon})
  92                 [ $? -ne 0 ] && {
  93                         echo "enable_atheros($device): Failed to set up $mode vif $ifname" >&2
  94                         continue
  95                 }
  96                 config_set "$vif" ifname "$ifname"
  97
  98                 # only need to change freq band and channel on the first vif
  99                 config_get hwmode "$device" hwmode
 100                 [ -z "$hwmode" ] && config_get hwmode "$device" mode
 101
 102                 pureg=0
 103                 case "$hwmode" in
 104                         *b) hwmode=11b;;
 105                         *bg) hwmode=11g;;
 106                         *g) hwmode=11g; pureg=1;;
 107                         *gdt) hwmode=11gdt;;
 108                         *a) hwmode=11a;;
 109                         *adt) hwmode=11adt;;
 110                         *ast) hwmode=11ast;;
 111                         *fh) hwmode=fh;;
 112                         *) hwmode=auto;;
 113                 esac
 114                 iwpriv "$ifname" mode "$hwmode"
 115                 iwpriv "$ifname" pureg "$pureg"
 116
 117                 [ "$first" = 1 ] && {
 118                         iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null
 119                 }
 120
 121                 config_get_bool hidden "$vif" hidden 0
 122                 iwpriv "$ifname" hide_ssid "$hidden"
 123
 124                 config_get ff "$vif" ff
 125                 if [ -n "$ff" ]; then
 126                         iwpriv "$ifname" ff "$ff"
 127                 fi
 128
 129                 config_get wds "$vif" wds
 130                 case "$wds" in
 131                         1|on|enabled) wds=1;;
 132                         *) wds=0;;
 133                 esac
 134                 iwpriv "$ifname" wds "$wds"
 135
 136                 [ "$mode" = ap -a "$wds" = 1 ] && {
 137                         config_get_bool wdssep "$vif" wdssep 1
 138                         [ -n "$wdssep" ] && iwpriv "$ifname" wdssep "$wdssep"
 139                 }
 140
 141                 case "$enc" in
 142                         WEP|wep)
 143                                 for idx in 1 2 3 4; do
 144                                         config_get key "$vif" "key${idx}"
 145                                         iwconfig "$ifname" enc "[$idx]" "${key:-off}"
 146                                 done
 147                                 config_get key "$vif" key
 148                                 key="${key:-1}"
 149                                 case "$key" in
 150                                         [1234]) iwconfig "$ifname" enc "[$key]";;
 151                                         *) iwconfig "$ifname" enc "$key";;
 152                                 esac
 153                         ;;
 154                         psk*|wpa*)
 155                                 start_hostapd=1
 156                                 config_get key "$vif" key
 157                         ;;
 158                 esac
 159
 160                 case "$mode" in
 161                         adhoc|ahdemo)
 162                                 config_get addr "$vif" bssid
 163                                 [ -z "$addr" ] || {
 164                                         iwconfig "$ifname" ap "$addr"
 165                                 }
 166                         ;;
 167                 esac
 168                 config_get ssid "$vif" ssid
 169
 170                 config_get_bool bgscan "$vif" bgscan
 171                 [ -n "$bgscan" ] && iwpriv "$ifname" bgscan "$bgscan"
 172
 173                 config_get_bool antdiv "$device" diversity
 174                 config_get antrx "$device" rxantenna
 175                 config_get anttx "$device" txantenna
 176                 config_get_bool softled "$device" softled 1
 177
 178                 devname="$(cat /proc/sys/dev/$device/dev_name)"
 179                 antgpio=
 180                 case "$devname" in
 181                         NanoStation2) antgpio=7;;
 182                         NanoStation5) antgpio=1;;
 183                 esac
 184                 if [ -n "$antgpio" ]; then
 185                         softled=0
 186                         config_get antenna "$device" antenna
 187                         case "$antenna" in
 188                                 external) antdiv=0; antrx=1; anttx=1 ;;
 189                                 horizontal) antdiv=0; antrx=1; anttx=1 ;;
 190                                 vertical) antdiv=0; antrx=2; anttx=2 ;;
 191                                 auto) antdiv=1; antrx=0; anttx=0 ;;
 192                         esac
 193
 194                         [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 195                         case "$antenna" in
 196                                 horizontal|vertical|auto)
 197                                         gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 198                                         gpioctl "set" "$antgpio" >/dev/null 2>&1
 199                                 ;;
 200                                 external)
 201                                         gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 202                                         gpioctl "clear" "$antgpio" >/dev/null 2>&1
 203                                 ;;
 204                         esac
 205                 fi
 206
 207                 [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 208                 [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 209                 [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 210                 [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 211
 212                 config_get distance "$device" distance
 213                 [ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
 214
 215                 config_get txpwr "$vif" txpower
 216                 [ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
 217
 218                 config_get rate "$vif" rate
 219                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 220
 221                 config_get mcast_rate "$vif" mcast_rate
 222                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 223
 224                 config_get frag "$vif" frag
 225                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 226
 227                 config_get rts "$vif" rts
 228                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 229
 230                 config_get_bool comp "$vif" compression
 231                 [ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
 232
 233                 config_get_bool minrate "$vif" minrate
 234                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 235
 236                 config_get_bool maxrate "$vif" maxrate
 237                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 238
 239                 config_get_bool burst "$vif" bursting
 240                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 241
 242                 config_get_bool wmm "$vif" wmm
 243                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 244
 245                 config_get_bool xr "$vif" xr
 246                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 247
 248                 config_get_bool ar "$vif" ar
 249                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 250
 251                 config_get_bool turbo "$vif" turbo
 252                 [ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
 253
 254                 config_get_bool doth "$vif" doth 0
 255                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 256
 257                 config_get_bool probereq "$vif" probereq
 258                 [ -n "$probereq" ] && iwpriv "$ifname" probereq "$probereq"
 259
 260                 config_get maclist "$vif" maclist
 261                 [ -n "$maclist" ] && {
 262                         # flush MAC list
 263                         iwpriv "$ifname" maccmd 3
 264                         for mac in $maclist; do
 265                                 iwpriv "$ifname" addmac "$mac"
 266                         done
 267                 }
 268
 269                 config_get macpolicy "$vif" macpolicy
 270                 case "$macpolicy" in
 271                         allow)
 272                                 iwpriv "$ifname" maccmd 1
 273                         ;;
 274                         deny)
 275                                 iwpriv "$ifname" maccmd 2
 276                         ;;
 277                         *)
 278                                 # default deny policy if mac list exists
 279                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 280                         ;;
 281                 esac
 282
 283                 ifconfig "$ifname" up
 284                 local net_cfg bridge
 285                 net_cfg="$(find_net_config "$vif")"
 286                 [ -z "$net_cfg" ] || {
 287                         bridge="$(bridge_interface "$net_cfg")"
 288                         config_set "$vif" bridge "$bridge"
 289                         start_net "$ifname" "$net_cfg"
 290                 }
 291                 [ -n "$ssid" ] && iwconfig "$ifname" essid on
 292                 iwconfig "$ifname" essid "$ssid"
 293                 set_wifi_up "$vif" "$ifname"
 294
 295                 # TXPower settings only work if device is up already
 296                 # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
 297                 # adjustment it does not work with the current atheros hal/madwifi driver
 298
 299                 config_get vif_txpower "$vif" txpower
 300                 # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
 301                 # the latter doesn't exist
 302                 txpower="${txpower:-$vif_txpower}"
 303                 [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
 304
 305                 case "$mode" in
 306                         ap)
 307                                 config_get_bool isolate "$vif" isolate 0
 308                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 309
 310                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 311                                         hostapd_setup_vif "$vif" madwifi || {
 312                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 313                                                 # make sure this wifi interface won't accidentally stay open without encryption
 314                                                 ifconfig "$ifname" down
 315                                                 wlanconfig "$ifname" destroy
 316                                                 continue
 317                                         }
 318                                 fi
 319                         ;;
 320                         wds|sta)
 321                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 322                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 323                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 324                                                 ifconfig "$ifname" down
 325                                                 wlanconfig "$ifname" destroy
 326                                                 continue
 327                                         }
 328                                 fi
 329                         ;;
 330                 esac
 331                 first=0
 332         done
 333 }
 334
 335
 336 detect_atheros() {
 337         cd /proc/sys/dev
 338         [ -d ath ] || return
 339         for dev in $(ls -d wifi* 2>&-); do
 340                 config_get type "$dev" type
 341                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 342                 case "$devname" in
 343                         NanoStation*)
 344                                 EXTRA_DEV="
 345 # Ubiquiti NanoStation features
 346         option antenna  auto # (auto|horizontal|vertical|external)
 347 "
 348                         ;;
 349                 esac
 350                 [ "$type" = atheros ] && return
 351                 cat <<EOF
 352 config wifi-device  $dev
 353         option type     atheros
 354         option channel  auto
 355 $EXTRA_DEV
 356         # REMOVE THIS LINE TO ENABLE WIFI:
 357         option disabled 1
 358
 359 config wifi-iface
 360         option device   $dev
 361         option network  lan
 362         option mode     ap
 363         option ssid     OpenWrt
 364         option encryption none
 365 EOF
 366         done
 367 }