package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh

   1 append DRIVERS "broadcom"
   2
   3 scan_broadcom() {
   4         local device="$1"
   5         local wds
   6         local adhoc sta apmode mon disabled
   7         local adhoc_if sta_if ap_if mon_if
   8         local _c=0
   9
  10         config_get vifs "$device" vifs
  11         for vif in $vifs; do
  12                 config_get_bool disabled "$vif" disabled 0
  13                 [ $disabled -eq 0 ] || continue
  14
  15                 config_get mode "$vif" mode
  16                 _c=$(($_c + 1))
  17                 case "$mode" in
  18                         adhoc)
  19                                 adhoc=1
  20                                 adhoc_if="$vif"
  21                         ;;
  22                         sta)
  23                                 sta=1
  24                                 sta_if="$vif"
  25                         ;;
  26                         ap)
  27                                 apmode=1
  28                                 ap_if="${ap_if:+$ap_if }$vif"
  29                         ;;
  30                         wds)
  31                                 config_get addr "$vif" bssid
  32                                 [ -z "$addr" ] || {
  33                                         addr=$(echo "$addr" | tr 'A-F' 'a-f')
  34                                         append wds "$addr"
  35                                 }
  36                         ;;
  37                         monitor)
  38                                 mon=1
  39                                 mon_if="$vif"
  40                         ;;
  41                         *) echo "$device($vif): Invalid mode";;
  42                 esac
  43         done
  44         config_set "$device" wds "$wds"
  45
  46         local _c=
  47         for vif in ${adhoc_if:-$sta_if $ap_if $mon_if}; do
  48                 config_set "$vif" ifname "${device}${_c:+.$_c}"
  49                 _c=$((${_c:-0} + 1))
  50         done
  51         config_set "$device" vifs "${adhoc_if:-$sta_if $ap_if $mon_if}"
  52
  53         ifdown="down"
  54         for vif in 0 1 2 3; do
  55                 append ifdown "vif $vif" "$N"
  56                 append ifdown "enabled 0" "$N"
  57         done
  58
  59         ap=1
  60         infra=1
  61         if [ "$_c" -gt 1 ]; then
  62                 mssid=1
  63         else
  64                 mssid=
  65         fi
  66         apsta=0
  67         radio=1
  68         monitor=0
  69         case "$adhoc:$sta:$apmode:$mon" in
  70                 1*)
  71                         ap=0
  72                         mssid=
  73                         infra=0
  74                 ;;
  75                 :1:1:)
  76                         apsta=1
  77                         wet=1
  78                 ;;
  79                 :1::)
  80                         wet=1
  81                         ap=0
  82                         mssid=
  83                 ;;
  84                 :::1)
  85                         wet=1
  86                         ap=0
  87                         mssid=
  88                         monitor=1
  89                 ;;
  90                 ::)
  91                         radio=0
  92                 ;;
  93         esac
  94 }
  95
  96 disable_broadcom() {
  97         local device="$1"
  98         set_wifi_down "$device"
  99         wlc ifname "$device" down
 100         wlc ifname "$device" bssid `wlc ifname "$device" default_bssid`
 101         (
 102                 include /lib/network
 103
 104                 # make sure the interfaces are down and removed from all bridges
 105                 for dev in $device ${device}.1 ${device}.2 ${device}.3; do
 106                         ifconfig "$dev" down 2>/dev/null >/dev/null && {
 107                                 unbridge "$dev"
 108                         }
 109                 done
 110         )
 111         true
 112 }
 113
 114 enable_broadcom() {
 115         local device="$1"
 116         local _c
 117         config_get channel "$device" channel
 118         config_get country "$device" country
 119         config_get maxassoc "$device" maxassoc
 120         config_get wds "$device" wds
 121         config_get vifs "$device" vifs
 122         config_get distance "$device" distance
 123         config_get slottime "$device" slottime
 124         config_get rxantenna "$device" rxantenna
 125         config_get txantenna "$device" txantenna
 126         config_get_bool frameburst "$device" frameburst
 127         config_get macfilter "$device" macfilter
 128         config_get maclist "$device" maclist
 129         config_get macaddr "$device" macaddr
 130         config_get txpower "$device" txpower
 131         config_get frag "$device" frag
 132         config_get rts "$device" rts
 133         config_get hwmode "$device" hwmode
 134         local vif_pre_up vif_post_up vif_do_up vif_txpower
 135         local doth=0
 136         local wmm=1
 137
 138         _c=0
 139         nas="$(which nas)"
 140         nas_cmd=
 141         if_up=
 142
 143         [ -z "$slottime" ] && {
 144                 [ -n "$distance" ] && {
 145                         # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
 146                         slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
 147                 }
 148         } || {
 149                 slottime="${slottime:--1}"
 150         }
 151
 152         case "$macfilter" in
 153                 allow|2)
 154                         macfilter=2;
 155                 ;;
 156                 deny|1)
 157                         macfilter=1;
 158                 ;;
 159                 disable|none|0)
 160                         macfilter=0;
 161                 ;;
 162         esac
 163
 164         case "$hwmode" in
 165                 *b)   hwmode=0;;
 166                 *bg)  hwmode=1;;
 167                 *g)   hwmode=2;;
 168                 *gst) hwmode=4;;
 169                 *lrs) hwmode=5;;
 170                 *)    hwmode=1;;
 171         esac
 172
 173         for vif in $vifs; do
 174                 config_get vif_txpower "$vif" txpower
 175
 176                 config_get mode "$vif" mode
 177                 append vif_pre_up "vif $_c" "$N"
 178                 append vif_post_up "vif $_c" "$N"
 179                 append vif_do_up "vif $_c" "$N"
 180
 181                 config_get_bool wmm "$vif" wmm "$wmm"
 182                 config_get_bool doth "$vif" doth "$doth"
 183
 184                 [ "$mode" = "sta" ] || {
 185                         config_get_bool hidden "$vif" hidden 0
 186                         append vif_pre_up "closed $hidden" "$N"
 187                         config_get_bool isolate "$vif" isolate 0
 188                         append vif_pre_up "ap_isolate $isolate" "$N"
 189                 }
 190
 191                 wsec_r=0
 192                 eap_r=0
 193                 wsec=0
 194                 auth=0
 195                 nasopts=
 196                 config_get enc "$vif" encryption
 197                 case "$enc" in
 198                         *wep*)
 199                                 wsec_r=1
 200                                 wsec=1
 201                                 defkey=1
 202                                 config_get key "$vif" key
 203                                 case "$enc" in
 204                                         *shared*) append vif_do_up "wepauth 1" "$N";;
 205                                         *) append vif_do_up "wepauth 0" "$N";;
 206                                 esac
 207                                 case "$key" in
 208                                         [1234])
 209                                                 defkey="$key"
 210                                                 for knr in 1 2 3 4; do
 211                                                         config_get k "$vif" key$knr
 212                                                         [ -n "$k" ] || continue
 213                                                         [ "$defkey" = "$knr" ] && def="=" || def=""
 214                                                         append vif_do_up "wepkey $def$knr,$k" "$N"
 215                                                 done
 216                                         ;;
 217                                         "");;
 218                                         *) append vif_do_up "wepkey =1,$key" "$N";;
 219                                 esac
 220                         ;;
 221                         *psk*)
 222                                 wsec_r=1
 223                                 config_get key "$vif" key
 224
 225                                 # psk version + default cipher
 226                                 case "$enc" in
 227                                         *mixed*|*psk+psk2*) auth=132; wsec=6;;
 228                                         *psk2*) auth=128; wsec=4;;
 229                                         *) auth=4; wsec=2;;
 230                                 esac
 231
 232                                 # cipher override
 233                                 case "$enc" in
 234                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 235                                         *aes*|*ccmp*) wsec=4;;
 236                                         *tkip*) wsec=2;;
 237                                 esac
 238
 239                                 # group rekey interval
 240                                 config_get rekey "$vif" wpa_group_rekey
 241
 242                                 eval "${vif}_key=\"\$key\""
 243                                 nasopts="-k \"\$${vif}_key\"${rekey:+ -g $rekey}"
 244                         ;;
 245                         *wpa*)
 246                                 wsec_r=1
 247                                 eap_r=1
 248                                 config_get auth_server "$vif" auth_server
 249                                 [ -z "$auth_server" ] && config_get auth_server "$vif" server
 250                                 config_get auth_port "$vif" auth_port
 251                                 [ -z "$auth_port" ] && config_get auth_port "$vif" port
 252                                 config_get auth_secret "$vif" auth_secret
 253                                 [ -z "$auth_secret" ] && config_get auth_secret "$vif" key
 254
 255                                 # wpa version + default cipher
 256                                 case "$enc" in
 257                                         *mixed*|*wpa+wpa2*) auth=66; wsec=6;;
 258                                         *wpa2*) auth=64; wsec=4;;
 259                                         *) auth=2; wsec=2;;
 260                                 esac
 261
 262                                 # cipher override
 263                                 case "$enc" in
 264                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 265                                         *aes*|*ccmp*) wsec=4;;
 266                                         *tkip*) wsec=2;;
 267                                 esac
 268
 269                                 # group rekey interval
 270                                 config_get rekey "$vif" wpa_group_rekey
 271
 272                                 eval "${vif}_key=\"\$auth_secret\""
 273                                 nasopts="-r \"\$${vif}_key\" -h $auth_server -p ${auth_port:-1812}${rekey:+ -g $rekey}"
 274                         ;;
 275                 esac
 276                 append vif_do_up "wsec $wsec" "$N"
 277                 append vif_do_up "wpa_auth $auth" "$N"
 278                 append vif_do_up "wsec_restrict $wsec_r" "$N"
 279                 append vif_do_up "eap_restrict $eap_r" "$N"
 280
 281                 config_get ssid "$vif" ssid
 282                 append vif_post_up "vlan_mode 0" "$N"
 283                 append vif_post_up "ssid $ssid" "$N"
 284                 append vif_do_up "ssid $ssid" "$N"
 285
 286                 [ "$mode" = "monitor" ] && {
 287                         append vif_post_up "monitor $monitor" "$N"
 288                 }
 289
 290                 [ "$mode" = "adhoc" ] && {
 291                         config_get bssid "$vif" bssid
 292                         [ -n "$bssid" ] && {
 293                                 append vif_pre_up "bssid $bssid" "$N"
 294                                 append vif_pre_up "ibss_merge 0" "$N"
 295                         } || {
 296                                 append vif_pre_up "ibss_merge 1" "$N"
 297                         }
 298                 }
 299
 300                 append vif_post_up "enabled 1" "$N"
 301
 302                 config_get ifname "$vif" ifname
 303                 #append if_up "ifconfig $ifname up" ";$N"
 304
 305                 local net_cfg
 306                 net_cfg="$(find_net_config "$vif")"
 307                 [ -z "$net_cfg" ] || {
 308                         append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
 309                         append if_up "start_net '$ifname' '$net_cfg'" ";$N"
 310                 }
 311                 [ -z "$nasopts" ] || {
 312                         eval "${vif}_ssid=\"\$ssid\""
 313                         nas_mode="-A"
 314                         [ "$mode" = "sta" ] && nas_mode="-S"
 315                         [ -z "$nas" ] || {
 316                                 nas_cmd="${nas_cmd:+$nas_cmd$N}start-stop-daemon -S -b -p /var/run/nas.$ifname.pid -x $nas -- -P /var/run/nas.$ifname.pid -H 34954 -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
 317                         }
 318                 }
 319                 _c=$(($_c + 1))
 320         done
 321         killall -KILL nas >&- 2>&-
 322         wlc ifname "$device" stdin <<EOF
 323 $ifdown
 324
 325 gmode ${hwmode:-1}
 326 apsta $apsta
 327 ap $ap
 328 ${mssid:+mssid $mssid}
 329 infra $infra
 330 ${wet:+wet 1}
 331 802.11d 0
 332 802.11h ${doth:-0}
 333 wme ${wmm:-1}
 334 rxant ${rxantenna:-3}
 335 txant ${txantenna:-3}
 336 fragthresh ${frag:-2346}
 337 rtsthresh ${rts:-2347}
 338 monitor ${monitor:-0}
 339
 340 radio ${radio:-1}
 341 macfilter ${macfilter:-0}
 342 maclist ${maclist:-none}
 343 wds none
 344 ${wds:+wds $wds}
 345 country ${country:-US}
 346 ${channel:+channel $channel}
 347 maxassoc ${maxassoc:-128}
 348 slottime ${slottime:--1}
 349 ${frameburst:+frameburst $frameburst}
 350
 351 $vif_pre_up
 352 up
 353 $vif_post_up
 354 EOF
 355         eval "$if_up"
 356         wlc ifname "$device" stdin <<EOF
 357 $vif_do_up
 358 EOF
 359
 360         # use vif_txpower (from last wifi-iface) instead of txpower (from
 361         # wifi-device) if the latter does not exist
 362         txpower=${txpower:-$vif_txpower}
 363         [ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
 364
 365         eval "$nas_cmd"
 366 }
 367
 368
 369 detect_broadcom() {
 370         local i=-1
 371
 372         while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
 373                 local channel
 374
 375                 config_get type wl${i} type
 376                 [ "$type" = broadcom ] && continue
 377                 channel=`wlc ifname wl${i} channel`
 378                 cat <<EOF
 379 config wifi-device  wl${i}
 380         option type     broadcom
 381         option channel  ${channel:-11}
 382
 383         # REMOVE THIS LINE TO ENABLE WIFI:
 384         option disabled 1
 385
 386 config wifi-iface
 387         option device   wl${i}
 388         option network  lan
 389         option mode     ap
 390         option ssid     OpenWrt${i#0}
 391         option encryption none
 392
 393 EOF
 394         done
 395 }