478 lines
11 KiB
Bash
478 lines
11 KiB
Bash
append DRIVERS "broadcom"
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scan_broadcom() {
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local device="$1"
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local vif vifs wds
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local adhoc sta apmode mon disabled
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local adhoc_if sta_if ap_if mon_if
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config_get vifs "$device" vifs
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for vif in $vifs; do
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config_get_bool disabled "$vif" disabled 0
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[ $disabled -eq 0 ] || continue
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local mode
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config_get mode "$vif" mode
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case "$mode" in
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adhoc)
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adhoc=1
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adhoc_if="$vif"
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;;
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sta)
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sta=1
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sta_if="$vif"
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;;
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ap)
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apmode=1
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ap_if="${ap_if:+$ap_if }$vif"
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;;
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wds)
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local addr
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config_get addr "$vif" bssid
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[ -z "$addr" ] || {
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addr=$(echo "$addr" | tr 'A-F' 'a-f')
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append wds "$addr"
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}
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;;
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monitor)
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mon=1
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mon_if="$vif"
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;;
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*) echo "$device($vif): Invalid mode";;
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esac
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done
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config_set "$device" wds "$wds"
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local _c=
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for vif in ${adhoc_if:-$sta_if $ap_if $mon_if}; do
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config_set "$vif" ifname "${device}${_c:+-$_c}"
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_c=$((${_c:-0} + 1))
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done
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config_set "$device" vifs "${adhoc_if:-$sta_if $ap_if $mon_if}"
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ap=1
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infra=1
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if [ "$_c" -gt 1 ]; then
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mssid=1
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else
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mssid=
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fi
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apsta=0
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radio=1
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monitor=0
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case "$adhoc:$sta:$apmode:$mon" in
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1*)
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ap=0
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mssid=
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infra=0
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;;
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:1:1:)
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apsta=1
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wet=1
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;;
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:1::)
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wet=1
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ap=0
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mssid=
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;;
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:::1)
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wet=1
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ap=0
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mssid=
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monitor=1
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;;
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::)
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radio=0
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;;
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esac
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}
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disable_broadcom() {
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local device="$1"
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set_wifi_down "$device"
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(
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include /lib/network
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local pid_file=/var/run/nas.$device.pid
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[ -e $pid_file ] && start-stop-daemon -K -q -s SIGKILL -p $pid_file && rm $pid_file
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# make sure the interfaces are down and removed from all bridges
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local dev ifname
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for dev in /sys/class/net/wds${device##wl}-* /sys/class/net/${device}-* /sys/class/net/${device}; do
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if [ -e "$dev" ]; then
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ifname=${dev##/sys/class/net/}
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ip link set dev "$ifname" down
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unbridge "$ifname"
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fi
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done
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# make sure all of the devices are disabled in the driver
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local ifdown=
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local bssmax=$(wlc ifname "$device" bssmax)
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local vif=$((${bssmax:-4} - 1))
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append ifdown "down" "$N"
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append ifdown "wds none" "$N"
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while [ $vif -ge 0 ]; do
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append ifdown "vif $vif" "$N"
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append ifdown "enabled 0" "$N"
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vif=$(($vif - 1))
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done
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wlc ifname "$device" stdin <<EOF
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$ifdown
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leddc 0xffff
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EOF
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)
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true
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}
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enable_broadcom() {
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local device="$1"
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local channel country maxassoc wds vifs distance slottime rxantenna txantenna
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local frameburst macfilter maclist macaddr txpower frag rts hwmode htmode
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config_get channel "$device" channel
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config_get country "$device" country
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config_get maxassoc "$device" maxassoc
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config_get wds "$device" wds
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config_get vifs "$device" vifs
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config_get distance "$device" distance
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config_get slottime "$device" slottime
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config_get rxantenna "$device" rxantenna
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config_get txantenna "$device" txantenna
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config_get_bool frameburst "$device" frameburst
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config_get macfilter "$device" macfilter
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config_get maclist "$device" maclist
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config_get macaddr "$device" macaddr $(wlc ifname "$device" default_bssid)
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config_get txpower "$device" txpower
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config_get frag "$device" frag
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config_get rts "$device" rts
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config_get hwmode "$device" hwmode
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config_get htmode "$device" htmode
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local doth=0
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local wmm=1
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[ -z "$slottime" ] && {
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[ -n "$distance" ] && {
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# slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
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slottime="$((9 + ($distance / 150) + 1 - (150 - ($distance % 150)) / 150 ))"
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}
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} || {
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slottime="${slottime:--1}"
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}
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case "$macfilter" in
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allow|2)
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macfilter=2;
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;;
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deny|1)
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macfilter=1;
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;;
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disable|none|0)
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macfilter=0;
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;;
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esac
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local gmode=2 nmode=0 nreqd=
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case "$hwmode" in
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*a) gmode=;;
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*b) gmode=0;;
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*bg) gmode=1;;
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*g) gmode=2;;
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*gst) gmode=4;;
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*lrs) gmode=5;;
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*) nmode=1; nreqd=0;;
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esac
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case "$hwmode" in
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n|11n) nmode=1; nreqd=1;;
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*n*) nmode=1; nreqd=0;;
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esac
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# Use 'nmode' for N-Phy only
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[ "$(wlc ifname "$device" phytype)" = 4 ] || nmode=
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local band chanspec
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[ ${channel:-0} -ge 1 -a ${channel:-0} -le 14 ] && band=2
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[ ${channel:-0} -ge 36 ] && {
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band=1
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gmode=
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}
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# Use 'chanspec' instead of 'channel' for 'N' modes (See bcmwifi.h)
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[ -n "$nmode" -a -n "$band" -a -n "$channel" ] && {
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case "$htmode" in
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HT40)
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if [ -n "$gmode" ]; then
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[ $channel -lt 7 ] && htmode="HT40+" || htmode="HT40-"
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else
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[ $(( ($channel / 4) % 2 )) -eq 1 ] && htmode="HT40+" || htmode="HT40-"
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fi
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;;
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esac
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case "$htmode" in
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HT40-) chanspec=$(printf 0x%x%x%02x $band 0xe $(($channel - 2))); nmode=1; channel=;;
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HT40+) chanspec=$(printf 0x%x%x%02x $band 0xd $(($channel + 2))); nmode=1; channel=;;
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HT20) chanspec=$(printf 0x%x%x%02x $band 0xb $channel); nmode=1; channel=;;
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*) ;;
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esac
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}
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local leddc=$(wlc ifname "$device" leddc)
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[ $((leddc)) -eq $((0xffff)) ] && {
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leddc=0x005a000a;
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}
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local _c=0
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local nas="$(which nas)"
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local if_pre_up if_up nas_cmd
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local vif vif_pre_up vif_post_up vif_do_up vif_txpower
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local bssmax=$(wlc ifname "$device" bssmax)
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bssmax=${bssmax:-4}
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for vif in $vifs; do
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[ $_c -ge $bssmax ] && break
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config_get vif_txpower "$vif" txpower
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local mode
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config_get mode "$vif" mode
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append vif_pre_up "vif $_c" "$N"
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append vif_post_up "vif $_c" "$N"
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append vif_do_up "vif $_c" "$N"
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config_get_bool wmm "$vif" wmm "$wmm"
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config_get_bool doth "$vif" doth "$doth"
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[ "$mode" = "sta" ] || {
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local hidden isolate
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config_get_bool hidden "$vif" hidden 0
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append vif_pre_up "closed $hidden" "$N"
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config_get_bool isolate "$vif" isolate 0
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append vif_pre_up "ap_isolate $isolate" "$N"
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}
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local wsec_r=0
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local eap_r=0
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local wsec=0
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local auth=0
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local nasopts=
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local enc key rekey
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config_get enc "$vif" encryption
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case "$enc" in
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*wep*)
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local def defkey k knr
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wsec_r=1
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wsec=1
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defkey=1
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config_get key "$vif" key
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case "$enc" in
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*shared*) append vif_do_up "wepauth 1" "$N";;
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*) append vif_do_up "wepauth 0" "$N";;
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esac
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case "$key" in
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[1234])
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defkey="$key"
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for knr in 1 2 3 4; do
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config_get k "$vif" key$knr
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[ -n "$k" ] || continue
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[ "$defkey" = "$knr" ] && def="=" || def=""
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append vif_do_up "wepkey $def$knr,$k" "$N"
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done
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;;
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"");;
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*) append vif_do_up "wepkey =1,$key" "$N";;
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esac
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;;
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*psk*)
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wsec_r=1
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config_get key "$vif" key
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# psk version + default cipher
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case "$enc" in
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*mixed*|*psk+psk2*) auth=132; wsec=6;;
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*psk2*) auth=128; wsec=4;;
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*) auth=4; wsec=2;;
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esac
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# cipher override
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case "$enc" in
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*tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
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*aes*|*ccmp*) wsec=4;;
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*tkip*) wsec=2;;
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esac
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# group rekey interval
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config_get rekey "$vif" wpa_group_rekey
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eval "${vif}_key=\"\$key\""
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nasopts="-k \"\$${vif}_key\"${rekey:+ -g $rekey}"
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;;
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*wpa*)
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local auth_port auth_secret auth_server
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wsec_r=1
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eap_r=1
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config_get auth_server "$vif" auth_server
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[ -z "$auth_server" ] && config_get auth_server "$vif" server
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config_get auth_port "$vif" auth_port
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[ -z "$auth_port" ] && config_get auth_port "$vif" port
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config_get auth_secret "$vif" auth_secret
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[ -z "$auth_secret" ] && config_get auth_secret "$vif" key
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# wpa version + default cipher
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case "$enc" in
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*mixed*|*wpa+wpa2*) auth=66; wsec=6;;
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*wpa2*) auth=64; wsec=4;;
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*) auth=2; wsec=2;;
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esac
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# cipher override
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case "$enc" in
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*tkip+aes*|*tkip+ccmp*|*aes+tkip*|*ccmp+tkip*) wsec=6;;
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*aes*|*ccmp*) wsec=4;;
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*tkip*) wsec=2;;
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esac
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# group rekey interval
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config_get rekey "$vif" wpa_group_rekey
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eval "${vif}_key=\"\$auth_secret\""
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nasopts="-r \"\$${vif}_key\" -h $auth_server -p ${auth_port:-1812}${rekey:+ -g $rekey}"
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;;
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esac
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append vif_do_up "wsec $wsec" "$N"
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append vif_do_up "wpa_auth $auth" "$N"
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append vif_do_up "wsec_restrict $wsec_r" "$N"
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append vif_do_up "eap_restrict $eap_r" "$N"
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local ssid
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config_get ssid "$vif" ssid
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append vif_post_up "vlan_mode 0" "$N"
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append vif_pre_up "ssid $ssid" "$N"
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[ "$mode" = "monitor" ] && {
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append vif_post_up "monitor $monitor" "$N"
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}
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[ "$mode" = "adhoc" ] && {
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local bssid
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config_get bssid "$vif" bssid
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[ -n "$bssid" ] && {
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append vif_pre_up "bssid $bssid" "$N"
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append vif_pre_up "ibss_merge 0" "$N"
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} || {
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append vif_pre_up "ibss_merge 1" "$N"
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}
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}
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append vif_post_up "enabled 1" "$N"
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local ifname
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config_get ifname "$vif" ifname
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local if_cmd="if_pre_up"
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[ "$ifname" != "${ifname##${device}-}" ] && if_cmd="if_up"
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append $if_cmd "macaddr=\$(wlc ifname '$ifname' cur_etheraddr)" ";$N"
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append $if_cmd "ip link set dev '$ifname' address \$macaddr" ";$N"
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append if_up "ip link set dev '$ifname' up" ";$N"
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local net_cfg="$(find_net_config "$vif")"
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[ -z "$net_cfg" ] || {
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ubus -t 30 wait_for network.interface."$net_cfg"
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append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
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append if_up "start_net '$ifname' '$net_cfg'" ";$N"
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}
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[ -z "$nas" -o -z "$nasopts" ] || {
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eval "${vif}_ssid=\"\$ssid\""
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local nas_mode="-A"
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[ "$mode" = "sta" ] && nas_mode="-S"
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[ -z "$nas_cmd" ] && {
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local pid_file=/var/run/nas.$device.pid
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nas_cmd="start-stop-daemon -S -b -p $pid_file -x $nas -- -P $pid_file -H 34954"
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}
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append nas_cmd "-i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
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}
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_c=$(($_c + 1))
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done
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wlc ifname "$device" stdin <<EOF
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${macaddr:+bssid $macaddr}
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${macaddr:+cur_etheraddr $macaddr}
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band ${band:-0}
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${nmode:+nmode $nmode}
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${nmode:+${nreqd:+nreqd $nreqd}}
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${gmode:+gmode $gmode}
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leddc $leddc
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apsta $apsta
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ap $ap
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${mssid:+mssid $mssid}
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infra $infra
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${wet:+wet 1}
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802.11d 0
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802.11h ${doth:-0}
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wme ${wmm:-1}
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rxant ${rxantenna:-3}
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txant ${txantenna:-3}
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fragthresh ${frag:-2346}
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rtsthresh ${rts:-2347}
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monitor ${monitor:-0}
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radio ${radio:-1}
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macfilter ${macfilter:-0}
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maclist ${maclist:-none}
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${wds:+wds $wds}
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country ${country:-US}
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${channel:+channel $channel}
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${chanspec:+chanspec $chanspec}
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maxassoc ${maxassoc:-128}
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slottime ${slottime:--1}
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${frameburst:+frameburst $frameburst}
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$vif_pre_up
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EOF
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eval "$if_pre_up"
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wlc ifname "$device" stdin <<EOF
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up
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$vif_post_up
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EOF
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eval "$if_up"
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wlc ifname "$device" stdin <<EOF
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$vif_do_up
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EOF
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# use vif_txpower (from last wifi-iface) instead of txpower (from
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# wifi-device) if the latter does not exist
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txpower=${txpower:-$vif_txpower}
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[ -z "$txpower" ] || iwconfig $device txpower ${txpower}dBm
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eval "$nas_cmd"
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}
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detect_broadcom() {
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local i=-1
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while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
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local channel type
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config_get type wl${i} type
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[ "$type" = broadcom ] && continue
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channel=`wlc ifname wl${i} channel`
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cat <<EOF
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config wifi-device wl${i}
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option type broadcom
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option channel ${channel:-11}
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option txantenna 3
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option rxantenna 3
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# REMOVE THIS LINE TO ENABLE WIFI:
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option disabled 1
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config wifi-iface
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option device wl${i}
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option network lan
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option mode ap
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option ssid OpenWrt${i#0}
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option encryption none
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EOF
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done
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}
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