From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../kernel/broadcom-wl/files/lib/wifi/broadcom.sh  | 477 +++++++++++++++++++++
 1 file changed, 477 insertions(+)
 create mode 100644 package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh

(limited to 'package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh')

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
+}
-- 
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