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