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