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 "$device" softled 1
 180
 181                 devname="$(cat /proc/sys/dev/$device/dev_name)"
 182                 antgpio=
 183                 case "$devname" in
 184                         NanoStation2) antgpio=7;;
 185                         NanoStation5) antgpio=1;;
 186                 esac
 187                 if [ -n "$antgpio" ]; then
 188                         softled=0
 189                         config_get polarity "$device" polarity
 190                         case "$polarity" in
 191                                 horizontal) antdiv=0; antrx=1; anttx=1 ;;
 192                                 vertical) antdiv=0; antrx=2; anttx=2 ;;
 193                                 auto) antdiv=1; antrx=0; anttx=0 ;;
 194                         esac
 195                         config_get antenna "$device" antenna
 196                         [ -x "$(which gpioctl 2>/dev/null)" ] || antenna=
 197                         case "$antenna" in
 198                                 internal)
 199                                         gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 200                                         gpioctl "set" "$antgpio" >/dev/null 2>&1
 201                                 ;;
 202                                 external)
 203                                         gpioctl "dirout" "$antgpio" >/dev/null 2>&1
 204                                         gpioctl "clear" "$antgpio" >/dev/null 2>&1
 205                                         antdiv=0
 206                                         antrx=1
 207                                         anttx=1
 208                                 ;;
 209                         esac
 210                 fi
 211
 212                 [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 213                 [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 214                 [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 215                 [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 216
 217                 config_get distance "$device" distance
 218                 [ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
 219
 220                 config_get txpwr "$vif" txpower
 221                 [ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
 222
 223                 config_get rate "$vif" rate
 224                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 225
 226                 config_get mcast_rate "$vif" mcast_rate
 227                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 228
 229                 config_get frag "$vif" frag
 230                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 231
 232                 config_get rts "$vif" rts
 233                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 234
 235                 config_get_bool comp "$vif" compression
 236                 [ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
 237
 238                 config_get_bool minrate "$vif" minrate
 239                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 240
 241                 config_get_bool maxrate "$vif" maxrate
 242                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 243
 244                 config_get_bool burst "$vif" bursting
 245                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 246
 247                 config_get_bool wmm "$vif" wmm
 248                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 249
 250                 config_get_bool xr "$vif" xr
 251                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 252
 253                 config_get_bool ar "$vif" ar
 254                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 255
 256                 config_get_bool turbo "$vif" turbo
 257                 [ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
 258
 259                 config_get_bool doth "$vif" doth 0
 260                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 261
 262                 config_get maclist "$vif" maclist
 263                 [ -n "$maclist" ] && {
 264                         # flush MAC list
 265                         iwpriv "$ifname" maccmd 3
 266                         for mac in $maclist; do
 267                                 iwpriv "$ifname" addmac "$mac"
 268                         done
 269                 }
 270
 271                 config_get macpolicy "$vif" macpolicy
 272                 case "$macpolicy" in
 273                         allow)
 274                                 iwpriv "$ifname" maccmd 1
 275                         ;;
 276                         deny)
 277                                 iwpriv "$ifname" maccmd 2
 278                         ;;
 279                         *)
 280                                 # default deny policy if mac list exists
 281                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 282                         ;;
 283                 esac
 284
 285                 ifconfig "$ifname" up
 286                 local net_cfg bridge
 287                 net_cfg="$(find_net_config "$vif")"
 288                 [ -z "$net_cfg" ] || {
 289                         bridge="$(bridge_interface "$net_cfg")"
 290                         config_set "$vif" bridge "$bridge"
 291                         start_net "$ifname" "$net_cfg"
 292                 }
 293                 [ -n "$ssid" ] && iwconfig "$ifname" essid on
 294                 iwconfig "$ifname" essid "$ssid"
 295                 set_wifi_up "$vif" "$ifname"
 296                 case "$mode" in
 297                         ap)
 298                                 config_get_bool isolate "$vif" isolate 0
 299                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 300
 301                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 302                                         hostapd_setup_vif "$vif" madwifi || {
 303                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 304                                                 # make sure this wifi interface won't accidentally stay open without encryption
 305                                                 ifconfig "$ifname" down
 306                                                 wlanconfig "$ifname" destroy
 307                                                 continue
 308                                         }
 309                                 fi
 310                         ;;
 311                         wds|sta)
 312                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 313                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 314                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 315                                                 ifconfig "$ifname" down
 316                                                 wlanconfig "$ifname" destroy
 317                                                 continue
 318                                         }
 319                                 fi
 320                         ;;
 321                 esac
 322                 first=0
 323         done
 324 }
 325
 326
 327 detect_atheros() {
 328         cd /proc/sys/dev
 329         [ -d ath ] || return
 330         for dev in $(ls -d wifi* 2>&-); do
 331                 config_get type "$dev" type
 332                 devname="$(cat /proc/sys/dev/$dev/dev_name)"
 333                 case "$devname" in
 334                         NanoStation*)
 335                                 EXTRA_DEV="
 336 # Ubiquiti NanoStation features
 337         option antenna  internal
 338         option polarity auto # (auto|horizontal|vertical)
 339 "
 340                         ;;
 341                 esac
 342                 [ "$type" = atheros ] && return
 343                 cat <<EOF
 344 config wifi-device  $dev
 345         option type     atheros
 346         option channel  auto
 347 $EXTRA_DEV
 348         # REMOVE THIS LINE TO ENABLE WIFI:
 349         option disabled 1
 350
 351 config wifi-iface
 352         option device   $dev
 353         option network  lan
 354         option mode     ap
 355         option ssid     OpenWrt
 356         option encryption none
 357 EOF
 358         done
 359 }