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