diff options
Diffstat (limited to 'package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh')
| -rw-r--r-- | package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh b/package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh new file mode 100644 index 0000000..a9c4de2 --- /dev/null +++ b/package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh @@ -0,0 +1,477 @@ +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` + 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 +} |