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                 [ -n "$antdiv" ] && sysctl -w dev."$device".diversity="$antdiv" >&-
 178
 179                 config_get antrx "$device" rxantenna
 180                 [ -n "$antrx" ] && sysctl -w dev."$device".rxantenna="$antrx" >&-
 181
 182                 config_get anttx "$device" txantenna
 183                 [ -n "$anttx" ] && sysctl -w dev."$device".txantenna="$anttx" >&-
 184
 185                 config_get distance "$device" distance
 186                 [ -n "$distance" ] && athctrl -i "$device" -d "$distance" >&-
 187
 188                 config_get_bool softled "$device" softled 1
 189                 [ -n "$softled" ] && sysctl -w dev."$device".softled="$softled" >&-
 190
 191                 config_get txpwr "$vif" txpower
 192                 [ -n "$txpwr" ] && iwconfig "$ifname" txpower "${txpwr%%.*}"
 193
 194                 config_get rate "$vif" rate
 195                 [ -n "$rate" ] && iwconfig "$ifname" rate "${rate%%.*}"
 196
 197                 config_get mcast_rate "$vif" mcast_rate
 198                 [ -n "$mcast_rate" ] && iwpriv "$ifname" mcast_rate "${mcast_rate%%.*}"
 199
 200                 config_get frag "$vif" frag
 201                 [ -n "$frag" ] && iwconfig "$ifname" frag "${frag%%.*}"
 202
 203                 config_get rts "$vif" rts
 204                 [ -n "$rts" ] && iwconfig "$ifname" rts "${rts%%.*}"
 205
 206                 config_get_bool comp "$vif" compression
 207                 [ -n "$comp" ] && iwpriv "$ifname" compression "$comp"
 208
 209                 config_get_bool minrate "$vif" minrate
 210                 [ -n "$minrate" ] && iwpriv "$ifname" minrate "$minrate"
 211
 212                 config_get_bool maxrate "$vif" maxrate
 213                 [ -n "$maxrate" ] && iwpriv "$ifname" maxrate "$maxrate"
 214
 215                 config_get_bool burst "$vif" bursting
 216                 [ -n "$burst" ] && iwpriv "$ifname" burst "$burst"
 217
 218                 config_get_bool wmm "$vif" wmm
 219                 [ -n "$wmm" ] && iwpriv "$ifname" wmm "$wmm"
 220
 221                 config_get_bool xr "$vif" xr
 222                 [ -n "$xr" ] && iwpriv "$ifname" xr "$xr"
 223
 224                 config_get_bool ar "$vif" ar
 225                 [ -n "$ar" ] && iwpriv "$ifname" ar "$ar"
 226
 227                 config_get_bool turbo "$vif" turbo
 228                 [ -n "$turbo" ] && iwpriv "$ifname" turbo "$turbo"
 229
 230                 config_get_bool doth "$vif" doth 0
 231                 [ -n "$doth" ] && iwpriv "$ifname" doth "$doth"
 232
 233                 config_get maclist "$vif" maclist
 234                 [ -n "$maclist" ] && {
 235                         # flush MAC list
 236                         iwpriv "$ifname" maccmd 3
 237                         for mac in $maclist; do
 238                                 iwpriv "$ifname" addmac "$mac"
 239                         done
 240                 }
 241
 242                 config_get macpolicy "$vif" macpolicy
 243                 case "$macpolicy" in
 244                         allow)
 245                                 iwpriv "$ifname" maccmd 1
 246                         ;;
 247                         deny)
 248                                 iwpriv "$ifname" maccmd 2
 249                         ;;
 250                         *)
 251                                 # default deny policy if mac list exists
 252                                 [ -n "$maclist" ] && iwpriv "$ifname" maccmd 2
 253                         ;;
 254                 esac
 255
 256                 ifconfig "$ifname" up
 257                 local net_cfg bridge
 258                 net_cfg="$(find_net_config "$vif")"
 259                 [ -z "$net_cfg" ] || {
 260                         bridge="$(bridge_interface "$net_cfg")"
 261                         config_set "$vif" bridge "$bridge"
 262                         start_net "$ifname" "$net_cfg"
 263                 }
 264                 [ -n "$ssid" ] && iwconfig "$ifname" essid on
 265                 iwconfig "$ifname" essid "$ssid"
 266                 set_wifi_up "$vif" "$ifname"
 267                 case "$mode" in
 268                         ap)
 269                                 config_get_bool isolate "$vif" isolate 0
 270                                 iwpriv "$ifname" ap_bridge "$((isolate^1))"
 271
 272                                 if [ -n "$start_hostapd" ] && eval "type hostapd_setup_vif" 2>/dev/null >/dev/null; then
 273                                         hostapd_setup_vif "$vif" madwifi || {
 274                                                 echo "enable_atheros($device): Failed to set up hostapd for interface $ifname" >&2
 275                                                 # make sure this wifi interface won't accidentally stay open without encryption
 276                                                 ifconfig "$ifname" down
 277                                                 wlanconfig "$ifname" destroy
 278                                                 continue
 279                                         }
 280                                 fi
 281                         ;;
 282                         wds|sta)
 283                                 if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
 284                                         wpa_supplicant_setup_vif "$vif" madwifi || {
 285                                                 echo "enable_atheros($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 286                                                 ifconfig "$ifname" down
 287                                                 wlanconfig "$ifname" destroy
 288                                                 continue
 289                                         }
 290                                 fi
 291                         ;;
 292                 esac
 293                 first=0
 294         done
 295 }
 296
 297
 298 detect_atheros() {
 299         cd /proc/sys/dev
 300         [ -d ath ] || return
 301         for dev in $(ls -d wifi* 2>&-); do
 302                 config_get type "$dev" type
 303                 [ "$type" = atheros ] && return
 304                 cat <<EOF
 305 config wifi-device  $dev
 306         option type     atheros
 307         option channel  auto
 308
 309         # REMOVE THIS LINE TO ENABLE WIFI:
 310         option disabled 1
 311
 312 config wifi-iface
 313         option device   $dev
 314         option network  lan
 315         option mode     ap
 316         option ssid     OpenWrt
 317         option encryption none
 318 EOF
 319         done
 320 }