openwrt/package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh
Hauke Mehrtens 46dd362bde broadcom-wl: add interface after bridge is up
Without this patch adding the wifi device to the bridge may fail
because the bridge is not already configured when the wifi device gets
configured. This patch makes broadcom-wl wait till the bridge is ready.

This fixes #17262

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 46749
2015-08-29 20:05:04 +00:00

478 lines
11 KiB
Bash

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/}
ifconfig "$ifname" down
unbridge "$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 $if_cmd "ifconfig '$ifname' \${macaddr:+hw ether \$macaddr}" ";$N"
append if_up "ifconfig '$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`
cat <<EOF
config wifi-device wl${i}
option type broadcom
option channel ${channel:-11}
option txantenna 3
option rxantenna 3
# REMOVE THIS LINE TO ENABLE WIFI:
option disabled 1
config wifi-iface
option device wl${i}
option network lan
option mode ap
option ssid OpenWrt${i#0}
option encryption none
EOF
done
}