Add a new kernel-version independent broadcom binary driver for brcm47xx (contributed by NewMedia-NET)

This will allow us to get rid of brcm-2.4 soon.
[ ... and there was much rejoicing ]

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21809 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 361 insertions, 0 deletions

diff --git a/package/broadcom-wl/files/lib/wifi/broadcom.sh b/package/broadcom-wl/files/lib/wifi/broadcom.sh
new file mode 100644
index 000000000..ffe8d1dc5
--- /dev/null
+++ b/package/broadcom-wl/files/lib/wifi/broadcom.sh
@@ -0,0 +1,361 @@
+append DRIVERS "broadcom"
+
+scan_broadcom() {
+	local device="$1"
+	local wds
+	local adhoc sta apmode mon
+	local adhoc_if sta_if ap_if mon_if
+	local _c=0
+
+	config_get vifs "$device" vifs
+	for vif in $vifs; do
+		config_get mode "$vif" mode
+		_c=$(($_c + 1))
+		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)
+				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}"
+
+	ifdown="down"
+	for vif in 0 1 2 3; do
+		append ifdown "vif $vif" "$N"
+		append ifdown "enabled 0" "$N"
+	done
+
+	ap=1
+	infra=1
+	if [ "$_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"
+	wlc ifname "$device" down
+	wlc ifname "$device" bssid `wlc ifname "$device" default_bssid`
+	(
+		include /lib/network
+
+		# make sure the interfaces are down and removed from all bridges
+		for dev in $device ${device}.1 ${device}.2 ${device}.3; do
+			ifconfig "$dev" down 2>/dev/null >/dev/null && {
+				unbridge "$dev"
+			}
+		done
+	)
+	true
+}
+
+enable_broadcom() {
+	local device="$1"
+	local _c
+	config_get channel "$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
+	config_get txpower "$device" txpower
+	config_get frag "$device" frag
+	config_get rts "$device" rts
+	config_get hwmode "$device" hwmode
+	local vif_pre_up vif_post_up vif_do_up vif_txpower
+	local doth=0
+	local wmm=0
+
+	_c=0
+	nas="$(which nas)"
+	nas_cmd=
+	if_up=
+
+	[ -z "$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
+
+	case "$hwmode" in
+		*b)   hwmode=0;;
+		*bg)  hwmode=1;;
+		*g)   hwmode=2;;
+		*gst) hwmode=4;;
+		*lrs) hwmode=5;;
+		*)    hwmode=1;;
+	esac
+
+	for vif in $vifs; do
+		config_get vif_txpower "$vif" txpower
+
+		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"
+
+		[ "$mode" = "sta" ] || {
+			config_get_bool hidden "$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"
+		}
+
+		wsec_r=0
+		eap_r=0
+		wsec=0
+		auth=0
+		nasopts=
+		config_get enc "$vif" encryption
+		case "$enc" in
+			*WEP*|*wep*)
+				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*|*PSK*)
+				wsec_r=1
+				config_get key "$vif" key
+				case "$enc" in
+					wpa*+wpa2*|WPA*+WPA2*|*psk+*psk2|*PSK+*PSK2) auth=132; wsec=6;;
+					wpa2*|WPA2*|*PSK2|*psk2) auth=128; wsec=4;;
+					*aes|*AES) auth=4; wsec=4;;
+					*) auth=4; wsec=2;;
+				esac
+				eval "${vif}_key=\"\$key\""
+				nasopts="-k \"\$${vif}_key\""
+			;;
+			*wpa*|*WPA*)
+				wsec_r=1
+				eap_r=1
+				config_get key "$vif" key
+				config_get server "$vif" server
+				config_get port "$vif" port
+				case "$enc" in
+					wpa*+wpa2*|WPA*+WPA2*) auth=66; wsec=6;;
+					wpa2*|WPA2*) auth=64; wsec=4;;
+					*) auth=2; wsec=2;;
+				esac
+				eval "${vif}_key=\"\$key\""
+				nasopts="-r \"\$${vif}_key\" -h $server -p ${port:-1812}"
+			;;
+		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"
+
+		config_get ssid "$vif" ssid
+		append vif_post_up "vlan_mode 0" "$N"
+		append vif_post_up "ssid $ssid" "$N"
+		append vif_do_up "ssid $ssid" "$N"
+
+		[ "$mode" = "monitor" ] && {
+			append vif_post_up "monitor $monitor" "$N"
+		}
+
+		[ "$mode" = "adhoc" ] && {
+			config_get bssid "$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" "$N"
+
+		config_get ifname "$vif" ifname
+		#append if_up "ifconfig $ifname up" ";$N"
+
+		local net_cfg
+		net_cfg="$(find_net_config "$vif")"
+		[ -z "$net_cfg" ] || {
+			append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
+			append if_up "start_net '$ifname' '$net_cfg'" ";$N"
+		}
+		[ -z "$nasopts" ] || {
+			eval "${vif}_ssid=\"\$ssid\""
+			nas_mode="-A"
+			[ "$mode" = "sta" ] && nas_mode="-S"
+			[ -z "$nas" ] || {
+				nas_cmd="${nas_cmd:+$nas_cmd$N}start-stop-daemon -S -b -p /var/run/nas.$ifname.pid -x $nas -- -P /var/run/nas.$ifname.pid -H 34954 -i $ifname $nas_mode -m $auth -w $wsec -s \"\$${vif}_ssid\" -g 3600 -F $nasopts"
+			}
+		}
+		_c=$(($_c + 1))
+	done
+	killall -KILL nas >&- 2>&-
+	wlc ifname "$device" stdin <<EOF
+$ifdown
+
+gmode ${hwmode:-1}
+apsta $apsta
+ap $ap
+${mssid:+mssid $mssid}
+infra $infra
+${wet:+wet 1}
+802.11d 0
+802.11h ${doth:-0}
+wme ${wmm:-0}
+rxant ${rxantenna:-3}
+txant ${txantenna:-3}
+fragthresh ${frag:-2346}
+rtsthresh ${rts:-2347}
+monitor ${monitor:-0}
+
+radio ${radio:-1}
+macfilter ${macfilter:-0}
+maclist ${maclist:-none}
+wds none
+${wds:+wds $wds}
+country ${country:-US}
+${channel:+channel $channel}
+maxassoc ${maxassoc:-128}
+slottime ${slottime:--1}
+${frameburst:+frameburst $frameburst}
+
+$vif_pre_up
+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$((++i)):" /proc/net/dev; do
+		config_get type wl${i} type
+		[ "$type" = broadcom ] && continue
+		cat <<EOF
+config wifi-device  wl${i}
+	option type     broadcom
+	option channel  5
+
+	# 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
+}