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