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