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

   1 append DRIVERS "broadcom"
   2
   3 scan_broadcom() {
   4         local device="$1"
   5         local vif vifs wds
   6         local adhoc sta apmode mon disabled
   7         local adhoc_if sta_if ap_if mon_if
   8
   9         config_get vifs "$device" vifs
  10         for vif in $vifs; do
  11                 config_get_bool disabled "$vif" disabled 0
  12                 [ $disabled -eq 0 ] || continue
  13
  14                 local mode
  15                 config_get mode "$vif" mode
  16                 case "$mode" in
  17                         adhoc)
  18                                 adhoc=1
  19                                 adhoc_if="$vif"
  20                         ;;
  21                         sta)
  22                                 sta=1
  23                                 sta_if="$vif"
  24                         ;;
  25                         ap)
  26                                 apmode=1
  27                                 ap_if="${ap_if:+$ap_if }$vif"
  28                         ;;
  29                         wds)
  30                                 local addr
  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 $mon_if}"
  52
  53         ap=1
  54         infra=1
  55         if [ "$_c" -gt 1 ]; then
  56                 mssid=1
  57         else
  58                 mssid=
  59         fi
  60         apsta=0
  61         radio=1
  62         monitor=0
  63         case "$adhoc:$sta:$apmode:$mon" in
  64                 1*)
  65                         ap=0
  66                         mssid=
  67                         infra=0
  68                 ;;
  69                 :1:1:)
  70                         apsta=1
  71                         wet=1
  72                 ;;
  73                 :1::)
  74                         wet=1
  75                         ap=0
  76                         mssid=
  77                 ;;
  78                 :::1)
  79                         wet=1
  80                         ap=0
  81                         mssid=
  82                         monitor=1
  83                 ;;
  84                 ::)
  85                         radio=0
  86                 ;;
  87         esac
  88 }
  89
  90 disable_broadcom() {
  91         local device="$1"
  92         set_wifi_down "$device"
  93         (
  94                 include /lib/network
  95
  96                 local pid_file=/var/run/nas.$device.pid
  97                 [ -e $pid_file ] && start-stop-daemon -K -q -s SIGKILL -p $pid_file && rm $pid_file
  98
  99                 # make sure the interfaces are down and removed from all bridges
 100                 local dev ifname
 101                 for dev in /sys/class/net/wds${device##wl}-* /sys/class/net/${device}-* /sys/class/net/${device}; do
 102                         if [ -e "$dev" ]; then
 103                                 ifname=${dev##/sys/class/net/}
 104                                 ifconfig "$ifname" down
 105                                 unbridge "$ifname"
 106                         fi
 107                 done
 108
 109                 # make sure all of the devices are disabled in the driver
 110                 local ifdown=
 111                 local bssmax=$(wlc ifname "$device" bssmax)
 112                 local vif=$((${bssmax:-4} - 1))
 113                 append ifdown "down" "$N"
 114                 append ifdown "wds none" "$N"
 115                 while [ $vif -ge 0 ]; do
 116                         append ifdown "vif $vif" "$N"
 117                         append ifdown "enabled 0" "$N"
 118                         vif=$(($vif - 1))
 119                 done
 120
 121                 wlc ifname "$device" stdin <<EOF
 122 $ifdown
 123 EOF
 124         )
 125         true
 126 }
 127
 128 enable_broadcom() {
 129         local device="$1"
 130         local channel country maxassoc wds vifs distance slottime rxantenna txantenna
 131         local frameburst macfilter maclist macaddr txpower frag rts hwmode htmode
 132         config_get channel "$device" channel
 133         config_get country "$device" country
 134         config_get maxassoc "$device" maxassoc
 135         config_get wds "$device" wds
 136         config_get vifs "$device" vifs
 137         config_get distance "$device" distance
 138         config_get slottime "$device" slottime
 139         config_get rxantenna "$device" rxantenna
 140         config_get txantenna "$device" txantenna
 141         config_get_bool frameburst "$device" frameburst
 142         config_get macfilter "$device" macfilter
 143         config_get maclist "$device" maclist
 144         config_get macaddr "$device" macaddr $(wlc ifname "$device" default_bssid)
 145         config_get txpower "$device" txpower
 146         config_get frag "$device" frag
 147         config_get rts "$device" rts
 148         config_get hwmode "$device" hwmode
 149         config_get htmode "$device" htmode
 150         local doth=0
 151         local wmm=1
 152
 153         [ -z "$slottime" ] && {
 154                 [ -n "$distance" ] && {
 155                         # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
 156                         slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
 157                 }
 158         } || {
 159                 slottime="${slottime:--1}"
 160         }
 161
 162         case "$macfilter" in
 163                 allow|2)
 164                         macfilter=2;
 165                 ;;
 166                 deny|1)
 167                         macfilter=1;
 168                 ;;
 169                 disable|none|0)
 170                         macfilter=0;
 171                 ;;
 172         esac
 173
 174         local gmode=2 nmode=0 nreqd=
 175         case "$hwmode" in
 176                 *a)     gmode=;;
 177                 *b)     gmode=0;;
 178                 *bg)    gmode=1;;
 179                 *g)     gmode=2;;
 180                 *gst)   gmode=4;;
 181                 *lrs)   gmode=5;;
 182                 *)      nmode=1; nreqd=0;;
 183         esac
 184
 185         case "$hwmode" in
 186                 n|11n)  nmode=1; nreqd=1;;
 187                 *n*)    nmode=1; nreqd=0;;
 188         esac
 189
 190         # Use 'nmode' for N-Phy only
 191         [ "$(wlc ifname "$device" phytype)" = 4 ] || nmode=
 192
 193         local band chanspec
 194         [ ${channel:-0} -ge 1 -a ${channel:-0} -le 14 ] && band=2
 195         [ ${channel:-0} -ge 36 ] && {
 196                 band=1
 197                 gmode=
 198         }
 199
 200         # Use 'chanspec' instead of 'channel' for 'N' modes (See bcmwifi.h)
 201         [ ${nmode:-0} -ne 0 -a -n "$band" -a -n "$channel" ] && {
 202                 case "$htmode" in
 203                         HT40-)  chanspec=$(printf 0x%x%x%02x $band 0xe $(($channel - 2))); channel=;;
 204                         HT40+)  chanspec=$(printf 0x%x%x%02x $band 0xd $(($channel + 2))); channel=;;
 205                         HT20)   chanspec=$(printf 0x%x%x%02x $band 0xb $channel); channel=;;
 206                         *) ;;
 207                 esac
 208         }
 209
 210         local _c=0
 211         local nas="$(which nas)"
 212         local if_pre_up if_up nas_cmd
 213         local vif vif_pre_up vif_post_up vif_do_up vif_txpower
 214         local bssmax=$(wlc ifname "$device" bssmax)
 215         bssmax=${bssmax:-4}
 216
 217         for vif in $vifs; do
 218                 [ $_c -ge $bssmax ] && break
 219
 220                 config_get vif_txpower "$vif" txpower
 221
 222                 local mode
 223                 config_get mode "$vif" mode
 224                 append vif_pre_up "vif $_c" "$N"
 225                 append vif_post_up "vif $_c" "$N"
 226                 append vif_do_up "vif $_c" "$N"
 227
 228                 config_get_bool wmm "$vif" wmm "$wmm"
 229                 config_get_bool doth "$vif" doth "$doth"
 230
 231                 [ "$mode" = "sta" ] || {
 232                         local hidden isolate
 233                         config_get_bool hidden "$vif" hidden 0
 234                         append vif_pre_up "closed $hidden" "$N"
 235                         config_get_bool isolate "$vif" isolate 0
 236                         append vif_pre_up "ap_isolate $isolate" "$N"
 237                 }
 238
 239                 local wsec_r=0
 240                 local eap_r=0
 241                 local wsec=0
 242                 local auth=0
 243                 local nasopts=
 244                 local enc key rekey
 245
 246                 config_get enc "$vif" encryption
 247                 case "$enc" in
 248                         *wep*)
 249                                 local def defkey k knr
 250                                 wsec_r=1
 251                                 wsec=1
 252                                 defkey=1
 253                                 config_get key "$vif" key
 254                                 case "$enc" in
 255                                         *shared*) append vif_do_up "wepauth 1" "$N";;
 256                                         *) append vif_do_up "wepauth 0" "$N";;
 257                                 esac
 258                                 case "$key" in
 259                                         [1234])
 260                                                 defkey="$key"
 261                                                 for knr in 1 2 3 4; do
 262                                                         config_get k "$vif" key$knr
 263                                                         [ -n "$k" ] || continue
 264                                                         [ "$defkey" = "$knr" ] && def="=" || def=""
 265                                                         append vif_do_up "wepkey $def$knr,$k" "$N"
 266                                                 done
 267                                         ;;
 268                                         "");;
 269                                         *) append vif_do_up "wepkey =1,$key" "$N";;
 270                                 esac
 271                         ;;
 272                         *psk*)
 273                                 wsec_r=1
 274                                 config_get key "$vif" key
 275
 276                                 # psk version + default cipher
 277                                 case "$enc" in
 278                                         *mixed*|*psk+psk2*) auth=132; wsec=6;;
 279                                         *psk2*) auth=128; wsec=4;;
 280                                         *) auth=4; wsec=2;;
 281                                 esac
 282
 283                                 # cipher override
 284                                 case "$enc" in
 285                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 286                                         *aes*|*ccmp*) wsec=4;;
 287                                         *tkip*) wsec=2;;
 288                                 esac
 289
 290                                 # group rekey interval
 291                                 config_get rekey "$vif" wpa_group_rekey
 292
 293                                 eval "${vif}_key=\"\$key\""
 294                                 nasopts="-k \"\$${vif}_key\"${rekey:+ -g $rekey}"
 295                         ;;
 296                         *wpa*)
 297                                 local auth_port auth_secret auth_server
 298                                 wsec_r=1
 299                                 eap_r=1
 300                                 config_get auth_server "$vif" auth_server
 301                                 [ -z "$auth_server" ] && config_get auth_server "$vif" server
 302                                 config_get auth_port "$vif" auth_port
 303                                 [ -z "$auth_port" ] && config_get auth_port "$vif" port
 304                                 config_get auth_secret "$vif" auth_secret
 305                                 [ -z "$auth_secret" ] && config_get auth_secret "$vif" key
 306
 307                                 # wpa version + default cipher
 308                                 case "$enc" in
 309                                         *mixed*|*wpa+wpa2*) auth=66; wsec=6;;
 310                                         *wpa2*) auth=64; wsec=4;;
 311                                         *) auth=2; wsec=2;;
 312                                 esac
 313
 314                                 # cipher override
 315                                 case "$enc" in
 316                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 317                                         *aes*|*ccmp*) wsec=4;;
 318                                         *tkip*) wsec=2;;
 319                                 esac
 320
 321                                 # group rekey interval
 322                                 config_get rekey "$vif" wpa_group_rekey
 323
 324                                 eval "${vif}_key=\"\$auth_secret\""
 325                                 nasopts="-r \"\$${vif}_key\" -h $auth_server -p ${auth_port:-1812}${rekey:+ -g $rekey}"
 326                         ;;
 327                 esac
 328                 append vif_do_up "wsec $wsec" "$N"
 329                 append vif_do_up "wpa_auth $auth" "$N"
 330                 append vif_do_up "wsec_restrict $wsec_r" "$N"
 331                 append vif_do_up "eap_restrict $eap_r" "$N"
 332
 333                 local ssid
 334                 config_get ssid "$vif" ssid
 335                 append vif_post_up "vlan_mode 0" "$N"
 336                 append vif_pre_up "ssid $ssid" "$N"
 337
 338                 [ "$mode" = "monitor" ] && {
 339                         append vif_post_up "monitor $monitor" "$N"
 340                 }
 341
 342                 [ "$mode" = "adhoc" ] && {
 343                         local bssid
 344                         config_get bssid "$vif" bssid
 345                         [ -n "$bssid" ] && {
 346                                 append vif_pre_up "bssid $bssid" "$N"
 347                                 append vif_pre_up "ibss_merge 0" "$N"
 348                         } || {
 349                                 append vif_pre_up "ibss_merge 1" "$N"
 350                         }
 351                 }
 352
 353                 append vif_post_up "enabled 1" "$N"
 354
 355                 local ifname
 356                 config_get ifname "$vif" ifname
 357                 local if_cmd="if_pre_up"
 358                 [ "$ifname" != "${ifname##${device}-}" ] && if_cmd="if_up"
 359                 append $if_cmd "macaddr=\$(wlc ifname '$ifname' cur_etheraddr)" ";$N"
 360                 append $if_cmd "ifconfig '$ifname' \${macaddr:+hw ether \$macaddr}" ";$N"
 361
 362                 local net_cfg="$(find_net_config "$vif")"
 363                 [ -z "$net_cfg" ] || {
 364                         append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
 365                         append if_up "start_net '$ifname' '$net_cfg'" ";$N"
 366                 }
 367                 [ -z "$nas" -o -z "$nasopts" ] || {
 368                         eval "${vif}_ssid=\"\$ssid\""
 369                         local nas_mode="-A"
 370                         [ "$mode" = "sta" ] && nas_mode="-S"
 371                         [ -z "$nas_cmd" ] && {
 372                                 local pid_file=/var/run/nas.$device.pid
 373                                 nas_cmd="start-stop-daemon -S -b -p $pid_file -x $nas -- -P $pid_file -H 34954"
 374                         }
 375                         append nas_cmd "-i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
 376                 }
 377                 _c=$(($_c + 1))
 378         done
 379         wlc ifname "$device" stdin <<EOF
 380 ${macaddr:+bssid $macaddr}
 381 ${macaddr:+cur_etheraddr $macaddr}
 382 band ${band:-0}
 383 ${nmode:+nmode $nmode}
 384 ${nmode:+${nreqd:+nreqd $nreqd}}
 385 ${gmode:+gmode $gmode}
 386 apsta $apsta
 387 ap $ap
 388 ${mssid:+mssid $mssid}
 389 infra $infra
 390 ${wet:+wet 1}
 391 802.11d 0
 392 802.11h ${doth:-0}
 393 wme ${wmm:-1}
 394 rxant ${rxantenna:-3}
 395 txant ${txantenna:-3}
 396 fragthresh ${frag:-2346}
 397 rtsthresh ${rts:-2347}
 398 monitor ${monitor:-0}
 399
 400 radio ${radio:-1}
 401 macfilter ${macfilter:-0}
 402 maclist ${maclist:-none}
 403 ${wds:+wds $wds}
 404 country ${country:-US}
 405 ${channel:+channel $channel}
 406 ${chanspec:+chanspec $chanspec}
 407 maxassoc ${maxassoc:-128}
 408 slottime ${slottime:--1}
 409 ${frameburst:+frameburst $frameburst}
 410
 411 $vif_pre_up
 412 EOF
 413         eval "$if_pre_up"
 414         wlc ifname "$device" stdin <<EOF
 415 up
 416 $vif_post_up
 417 EOF
 418         eval "$if_up"
 419         wlc ifname "$device" stdin <<EOF
 420 $vif_do_up
 421 EOF
 422
 423         # use vif_txpower (from last wifi-iface) instead of txpower (from
 424         # wifi-device) if the latter does not exist
 425         txpower=${txpower:-$vif_txpower}
 426         [ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
 427
 428         eval "$nas_cmd"
 429 }
 430
 431
 432 detect_broadcom() {
 433         local i=-1
 434
 435         while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
 436                 local channel type
 437
 438                 config_get type wl${i} type
 439                 [ "$type" = broadcom ] && continue
 440                 channel=`wlc ifname wl${i} channel`
 441                 cat <<EOF
 442 config wifi-device  wl${i}
 443         option type     broadcom
 444         option channel  ${channel:-11}
 445
 446         # REMOVE THIS LINE TO ENABLE WIFI:
 447         option disabled 1
 448
 449 config wifi-iface
 450         option device   wl${i}
 451         option network  lan
 452         option mode     ap
 453         option ssid     OpenWrt${i#0}
 454         option encryption none
 455
 456 EOF
 457         done
 458 }