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 leddc 0xffff
 124 EOF
 125         )
 126         true
 127 }
 128
 129 enable_broadcom() {
 130         local device="$1"
 131         local channel country maxassoc wds vifs distance slottime rxantenna txantenna
 132         local frameburst macfilter maclist macaddr txpower frag rts hwmode htmode
 133         config_get channel "$device" channel
 134         config_get country "$device" country
 135         config_get maxassoc "$device" maxassoc
 136         config_get wds "$device" wds
 137         config_get vifs "$device" vifs
 138         config_get distance "$device" distance
 139         config_get slottime "$device" slottime
 140         config_get rxantenna "$device" rxantenna
 141         config_get txantenna "$device" txantenna
 142         config_get_bool frameburst "$device" frameburst
 143         config_get macfilter "$device" macfilter
 144         config_get maclist "$device" maclist
 145         config_get macaddr "$device" macaddr $(wlc ifname "$device" default_bssid)
 146         config_get txpower "$device" txpower
 147         config_get frag "$device" frag
 148         config_get rts "$device" rts
 149         config_get hwmode "$device" hwmode
 150         config_get htmode "$device" htmode
 151         local doth=0
 152         local wmm=1
 153
 154         [ -z "$slottime" ] && {
 155                 [ -n "$distance" ] && {
 156                         # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
 157                         slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
 158                 }
 159         } || {
 160                 slottime="${slottime:--1}"
 161         }
 162
 163         case "$macfilter" in
 164                 allow|2)
 165                         macfilter=2;
 166                 ;;
 167                 deny|1)
 168                         macfilter=1;
 169                 ;;
 170                 disable|none|0)
 171                         macfilter=0;
 172                 ;;
 173         esac
 174
 175         local gmode=2 nmode=0 nreqd=
 176         case "$hwmode" in
 177                 *a)     gmode=;;
 178                 *b)     gmode=0;;
 179                 *bg)    gmode=1;;
 180                 *g)     gmode=2;;
 181                 *gst)   gmode=4;;
 182                 *lrs)   gmode=5;;
 183                 *)      nmode=1; nreqd=0;;
 184         esac
 185
 186         case "$hwmode" in
 187                 n|11n)  nmode=1; nreqd=1;;
 188                 *n*)    nmode=1; nreqd=0;;
 189         esac
 190
 191         # Use 'nmode' for N-Phy only
 192         [ "$(wlc ifname "$device" phytype)" = 4 ] || nmode=
 193
 194         local band chanspec
 195         [ ${channel:-0} -ge 1 -a ${channel:-0} -le 14 ] && band=2
 196         [ ${channel:-0} -ge 36 ] && {
 197                 band=1
 198                 gmode=
 199         }
 200
 201         # Use 'chanspec' instead of 'channel' for 'N' modes (See bcmwifi.h)
 202         [ -n "$nmode" -a -n "$band" -a -n "$channel" ] && {
 203                 case "$htmode" in
 204                         HT40)
 205                                 if [ -n "$gmode" ]; then
 206                                         [ $channel -lt 7 ] && htmode="HT40+" || htmode="HT40-"
 207                                 else
 208                                         [ $(( ($channel / 4) % 2 )) -eq 1 ] && htmode="HT40+" || htmode="HT40-"
 209                                 fi
 210                         ;;
 211                 esac
 212                 case "$htmode" in
 213                         HT40-)  chanspec=$(printf 0x%x%x%02x $band 0xe $(($channel - 2))); nmode=1; channel=;;
 214                         HT40+)  chanspec=$(printf 0x%x%x%02x $band 0xd $(($channel + 2))); nmode=1; channel=;;
 215                         HT20)   chanspec=$(printf 0x%x%x%02x $band 0xb $channel); nmode=1; channel=;;
 216                         *) ;;
 217                 esac
 218         }
 219
 220         local leddc=$(wlc ifname "$device" leddc)
 221         [ $((leddc)) -eq $((0xffff)) ] && {
 222                 leddc=0x005a000a;
 223         }
 224
 225         local _c=0
 226         local nas="$(which nas)"
 227         local if_pre_up if_up nas_cmd
 228         local vif vif_pre_up vif_post_up vif_do_up vif_txpower
 229         local bssmax=$(wlc ifname "$device" bssmax)
 230         bssmax=${bssmax:-4}
 231
 232         for vif in $vifs; do
 233                 [ $_c -ge $bssmax ] && break
 234
 235                 config_get vif_txpower "$vif" txpower
 236
 237                 local mode
 238                 config_get mode "$vif" mode
 239                 append vif_pre_up "vif $_c" "$N"
 240                 append vif_post_up "vif $_c" "$N"
 241                 append vif_do_up "vif $_c" "$N"
 242
 243                 config_get_bool wmm "$vif" wmm "$wmm"
 244                 config_get_bool doth "$vif" doth "$doth"
 245
 246                 [ "$mode" = "sta" ] || {
 247                         local hidden isolate
 248                         config_get_bool hidden "$vif" hidden 0
 249                         append vif_pre_up "closed $hidden" "$N"
 250                         config_get_bool isolate "$vif" isolate 0
 251                         append vif_pre_up "ap_isolate $isolate" "$N"
 252                 }
 253
 254                 local wsec_r=0
 255                 local eap_r=0
 256                 local wsec=0
 257                 local auth=0
 258                 local nasopts=
 259                 local enc key rekey
 260
 261                 config_get enc "$vif" encryption
 262                 case "$enc" in
 263                         *wep*)
 264                                 local def defkey k knr
 265                                 wsec_r=1
 266                                 wsec=1
 267                                 defkey=1
 268                                 config_get key "$vif" key
 269                                 case "$enc" in
 270                                         *shared*) append vif_do_up "wepauth 1" "$N";;
 271                                         *) append vif_do_up "wepauth 0" "$N";;
 272                                 esac
 273                                 case "$key" in
 274                                         [1234])
 275                                                 defkey="$key"
 276                                                 for knr in 1 2 3 4; do
 277                                                         config_get k "$vif" key$knr
 278                                                         [ -n "$k" ] || continue
 279                                                         [ "$defkey" = "$knr" ] && def="=" || def=""
 280                                                         append vif_do_up "wepkey $def$knr,$k" "$N"
 281                                                 done
 282                                         ;;
 283                                         "");;
 284                                         *) append vif_do_up "wepkey =1,$key" "$N";;
 285                                 esac
 286                         ;;
 287                         *psk*)
 288                                 wsec_r=1
 289                                 config_get key "$vif" key
 290
 291                                 # psk version + default cipher
 292                                 case "$enc" in
 293                                         *mixed*|*psk+psk2*) auth=132; wsec=6;;
 294                                         *psk2*) auth=128; wsec=4;;
 295                                         *) auth=4; wsec=2;;
 296                                 esac
 297
 298                                 # cipher override
 299                                 case "$enc" in
 300                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 301                                         *aes*|*ccmp*) wsec=4;;
 302                                         *tkip*) wsec=2;;
 303                                 esac
 304
 305                                 # group rekey interval
 306                                 config_get rekey "$vif" wpa_group_rekey
 307
 308                                 eval "${vif}_key=\"\$key\""
 309                                 nasopts="-k \"\$${vif}_key\"${rekey:+ -g $rekey}"
 310                         ;;
 311                         *wpa*)
 312                                 local auth_port auth_secret auth_server
 313                                 wsec_r=1
 314                                 eap_r=1
 315                                 config_get auth_server "$vif" auth_server
 316                                 [ -z "$auth_server" ] && config_get auth_server "$vif" server
 317                                 config_get auth_port "$vif" auth_port
 318                                 [ -z "$auth_port" ] && config_get auth_port "$vif" port
 319                                 config_get auth_secret "$vif" auth_secret
 320                                 [ -z "$auth_secret" ] && config_get auth_secret "$vif" key
 321
 322                                 # wpa version + default cipher
 323                                 case "$enc" in
 324                                         *mixed*|*wpa+wpa2*) auth=66; wsec=6;;
 325                                         *wpa2*) auth=64; wsec=4;;
 326                                         *) auth=2; wsec=2;;
 327                                 esac
 328
 329                                 # cipher override
 330                                 case "$enc" in
 331                                         *tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
 332                                         *aes*|*ccmp*) wsec=4;;
 333                                         *tkip*) wsec=2;;
 334                                 esac
 335
 336                                 # group rekey interval
 337                                 config_get rekey "$vif" wpa_group_rekey
 338
 339                                 eval "${vif}_key=\"\$auth_secret\""
 340                                 nasopts="-r \"\$${vif}_key\" -h $auth_server -p ${auth_port:-1812}${rekey:+ -g $rekey}"
 341                         ;;
 342                 esac
 343                 append vif_do_up "wsec $wsec" "$N"
 344                 append vif_do_up "wpa_auth $auth" "$N"
 345                 append vif_do_up "wsec_restrict $wsec_r" "$N"
 346                 append vif_do_up "eap_restrict $eap_r" "$N"
 347
 348                 local ssid
 349                 config_get ssid "$vif" ssid
 350                 append vif_post_up "vlan_mode 0" "$N"
 351                 append vif_pre_up "ssid $ssid" "$N"
 352
 353                 [ "$mode" = "monitor" ] && {
 354                         append vif_post_up "monitor $monitor" "$N"
 355                 }
 356
 357                 [ "$mode" = "adhoc" ] && {
 358                         local bssid
 359                         config_get bssid "$vif" bssid
 360                         [ -n "$bssid" ] && {
 361                                 append vif_pre_up "bssid $bssid" "$N"
 362                                 append vif_pre_up "ibss_merge 0" "$N"
 363                         } || {
 364                                 append vif_pre_up "ibss_merge 1" "$N"
 365                         }
 366                 }
 367
 368                 append vif_post_up "enabled 1" "$N"
 369
 370                 local ifname
 371                 config_get ifname "$vif" ifname
 372                 local if_cmd="if_pre_up"
 373                 [ "$ifname" != "${ifname##${device}-}" ] && if_cmd="if_up"
 374                 append $if_cmd "macaddr=\$(wlc ifname '$ifname' cur_etheraddr)" ";$N"
 375                 append $if_cmd "ifconfig '$ifname' \${macaddr:+hw ether \$macaddr}" ";$N"
 376                 append if_up "ifconfig '$ifname' up" ";$N"
 377
 378                 local net_cfg="$(find_net_config "$vif")"
 379                 [ -z "$net_cfg" ] || {
 380                         append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
 381                         append if_up "start_net '$ifname' '$net_cfg'" ";$N"
 382                 }
 383                 [ -z "$nas" -o -z "$nasopts" ] || {
 384                         eval "${vif}_ssid=\"\$ssid\""
 385                         local nas_mode="-A"
 386                         [ "$mode" = "sta" ] && nas_mode="-S"
 387                         [ -z "$nas_cmd" ] && {
 388                                 local pid_file=/var/run/nas.$device.pid
 389                                 nas_cmd="start-stop-daemon -S -b -p $pid_file -x $nas -- -P $pid_file -H 34954"
 390                         }
 391                         append nas_cmd "-i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
 392                 }
 393                 _c=$(($_c + 1))
 394         done
 395         wlc ifname "$device" stdin <<EOF
 396 ${macaddr:+bssid $macaddr}
 397 ${macaddr:+cur_etheraddr $macaddr}
 398 band ${band:-0}
 399 ${nmode:+nmode $nmode}
 400 ${nmode:+${nreqd:+nreqd $nreqd}}
 401 ${gmode:+gmode $gmode}
 402 leddc $leddc
 403 apsta $apsta
 404 ap $ap
 405 ${mssid:+mssid $mssid}
 406 infra $infra
 407 ${wet:+wet 1}
 408 802.11d 0
 409 802.11h ${doth:-0}
 410 wme ${wmm:-1}
 411 rxant ${rxantenna:-3}
 412 txant ${txantenna:-3}
 413 fragthresh ${frag:-2346}
 414 rtsthresh ${rts:-2347}
 415 monitor ${monitor:-0}
 416
 417 radio ${radio:-1}
 418 macfilter ${macfilter:-0}
 419 maclist ${maclist:-none}
 420 ${wds:+wds $wds}
 421 country ${country:-US}
 422 ${channel:+channel $channel}
 423 ${chanspec:+chanspec $chanspec}
 424 maxassoc ${maxassoc:-128}
 425 slottime ${slottime:--1}
 426 ${frameburst:+frameburst $frameburst}
 427
 428 $vif_pre_up
 429 EOF
 430         eval "$if_pre_up"
 431         wlc ifname "$device" stdin <<EOF
 432 up
 433 $vif_post_up
 434 EOF
 435         eval "$if_up"
 436         wlc ifname "$device" stdin <<EOF
 437 $vif_do_up
 438 EOF
 439
 440         # use vif_txpower (from last wifi-iface) instead of txpower (from
 441         # wifi-device) if the latter does not exist
 442         txpower=${txpower:-$vif_txpower}
 443         [ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
 444
 445         eval "$nas_cmd"
 446 }
 447
 448
 449 detect_broadcom() {
 450         local i=-1
 451
 452         while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
 453                 local channel type
 454
 455                 config_get type wl${i} type
 456                 [ "$type" = broadcom ] && continue
 457                 channel=`wlc ifname wl${i} channel`
 458                 cat <<EOF
 459 config wifi-device  wl${i}
 460         option type     broadcom
 461         option channel  ${channel:-11}
 462         option txantenna 3
 463         option rxantenna 3
 464         # REMOVE THIS LINE TO ENABLE WIFI:
 465         option disabled 1
 466
 467 config wifi-iface
 468         option device   wl${i}
 469         option network  lan
 470         option mode     ap
 471         option ssid     OpenWrt${i#0}
 472         option encryption none
 473
 474 EOF
 475         done
 476 }