From d04b55e43c5f5dd0999aae5b3df01d658908d481 Mon Sep 17 00:00:00 2001
From: hcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 25 Jun 2010 08:11:54 +0000
Subject: Add script support for Marvell 88W8686 mac80211. This is a hack now,
but it works. cfg80211 is very broken in the current mainline Marvell driver.
A new patch set to address this is in linux-next, I just do not have time
today to address it.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21899 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../gumstix/base-files/lib/wifi/mac80211.sh | 437 +++++++++++++++++++++
1 file changed, 437 insertions(+)
create mode 100644 target/linux/omap35xx/gumstix/base-files/lib/wifi/mac80211.sh
(limited to 'target/linux')
diff --git a/target/linux/omap35xx/gumstix/base-files/lib/wifi/mac80211.sh b/target/linux/omap35xx/gumstix/base-files/lib/wifi/mac80211.sh
new file mode 100644
index 000000000..53910efcd
--- /dev/null
+++ b/target/linux/omap35xx/gumstix/base-files/lib/wifi/mac80211.sh
@@ -0,0 +1,437 @@
+#!/bin/sh
+append DRIVERS "mac80211"
+
+mac80211_hostapd_setup_base() {
+ local phy="$1"
+ local ifname="$2"
+
+ cfgfile="/var/run/hostapd-$phy.conf"
+ config_get device "$vif" device
+ config_get country "$device" country
+ config_get hwmode "$device" hwmode
+ config_get channel "$device" channel
+ config_get_bool noscan "$device" noscan
+ [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
+ [ "$channel" = auto ] && channel=
+ [ -n "$hwmode" ] && {
+ config_get hwmode_11n "$device" hwmode_11n
+ [ -n "$hwmode_11n" ] && {
+ hwmode="$hwmode_11n"
+ append base_cfg "ieee80211n=1" "$N"
+ config_get htmode "$device" htmode
+ config_get ht_capab_list "$device" ht_capab
+ case "$htmode" in
+ HT20|HT40+|HT40-) ht_capab="[$htmode]";;
+ *)ht_capab=;;
+ esac
+ for cap in $ht_capab_list; do
+ ht_capab="$ht_capab[$cap]"
+ done
+ [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
+ }
+ }
+ cat > "$cfgfile" <<EOF
+ctrl_interface=/var/run/hostapd-$phy
+driver=nl80211
+wmm_ac_bk_cwmin=4
+wmm_ac_bk_cwmax=10
+wmm_ac_bk_aifs=7
+wmm_ac_bk_txop_limit=0
+wmm_ac_bk_acm=0
+wmm_ac_be_aifs=3
+wmm_ac_be_cwmin=4
+wmm_ac_be_cwmax=10
+wmm_ac_be_txop_limit=0
+wmm_ac_be_acm=0
+wmm_ac_vi_aifs=2
+wmm_ac_vi_cwmin=3
+wmm_ac_vi_cwmax=4
+wmm_ac_vi_txop_limit=94
+wmm_ac_vi_acm=0
+wmm_ac_vo_aifs=2
+wmm_ac_vo_cwmin=2
+wmm_ac_vo_cwmax=3
+wmm_ac_vo_txop_limit=47
+wmm_ac_vo_acm=0
+tx_queue_data3_aifs=7
+tx_queue_data3_cwmin=15
+tx_queue_data3_cwmax=1023
+tx_queue_data3_burst=0
+tx_queue_data2_aifs=3
+tx_queue_data2_cwmin=15
+tx_queue_data2_cwmax=63
+tx_queue_data2_burst=0
+tx_queue_data1_aifs=1
+tx_queue_data1_cwmin=7
+tx_queue_data1_cwmax=15
+tx_queue_data1_burst=3.0
+tx_queue_data0_aifs=1
+tx_queue_data0_cwmin=3
+tx_queue_data0_cwmax=7
+tx_queue_data0_burst=1.5
+${hwmode:+hw_mode=$hwmode}
+${channel:+channel=$channel}
+${country:+country_code=$country}
+${noscan:+noscan=$noscan}
+$base_cfg
+
+EOF
+}
+
+mac80211_hostapd_setup_bss() {
+ local phy="$1"
+ local vif="$2"
+
+ hostapd_cfg=
+ cfgfile="/var/run/hostapd-$phy.conf"
+ config_get ifname "$vif" ifname
+
+ if [ -f "$cfgfile" ]; then
+ append hostapd_cfg "bss=$ifname" "$N"
+ else
+ mac80211_hostapd_setup_base "$phy" "$ifname"
+ append hostapd_cfg "interface=$ifname" "$N"
+ fi
+
+ local net_cfg bridge
+ net_cfg="$(find_net_config "$vif")"
+ [ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
+ config_set "$vif" bridge "$bridge"
+
+ hostapd_set_bss_options hostapd_cfg "$vif"
+
+ config_get_bool wds "$vif" wds 0
+ [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
+
+ config_get macaddr "$vif" macaddr
+ config_get_bool hidden "$vif" hidden 0
+ cat >> /var/run/hostapd-$phy.conf <<EOF
+$hostapd_cfg
+wmm_enabled=1
+bssid=$macaddr
+ignore_broadcast_ssid=$hidden
+EOF
+}
+
+mac80211_start_vif() {
+ local vif="$1"
+ local ifname="$2"
+
+ local net_cfg
+ net_cfg="$(find_net_config "$vif")"
+ [ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
+
+ set_wifi_up "$vif" "$ifname"
+}
+
+find_mac80211_phy() {
+ local device="$1"
+
+ local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
+ config_get phy "$device" phy
+ [ -z "$phy" -a -n "$macaddr" ] && {
+ for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
+ [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue
+ config_set "$device" phy "$phy"
+ break
+ done
+ config_get phy "$device" phy
+ }
+ [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
+ echo "PHY for wifi device $1 not found"
+ return 1
+ }
+ [ -z "$macaddr" ] && {
+ config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
+ }
+ return 0
+}
+
+scan_mac80211() {
+ local device="$1"
+ local adhoc sta ap monitor mesh
+
+ config_get vifs "$device" vifs
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ case "$mode" in
+ adhoc|sta|ap|monitor|mesh)
+ append $mode "$vif"
+ ;;
+ *) echo "$device($vif): Invalid mode, ignored."; continue;;
+ esac
+ done
+
+ config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
+}
+
+
+disable_mac80211() (
+ local device="$1"
+
+ find_mac80211_phy "$device" || return 0
+ config_get phy "$device" phy
+
+ set_wifi_down "$device"
+ # kill all running hostapd and wpa_supplicant processes that
+ # are running on atheros/mac80211 vifs
+ for pid in `pidof hostapd`; do
+ grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
+ kill $pid
+ done
+
+ include /lib/network
+ for wdev in $(ls /sys/class/ieee80211/${phy}/device/net 2>/dev/null); do
+ [ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
+ for pid in `pidof wpa_supplicant`; do
+ grep "$wdev" /proc/$pid/cmdline >/dev/null && \
+ kill $pid
+ done
+ ifconfig "$wdev" down 2>/dev/null
+ unbridge "$dev"
+ iw dev "$wdev" del
+ done
+
+ return 0
+)
+get_freq() {
+ local phy="$1"
+ local chan="$2"
+
+ iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
+}
+
+enable_mac80211() {
+ local device="$1"
+ config_get channel "$device" channel
+ config_get vifs "$device" vifs
+ config_get txpower "$device" txpower
+ config_get country "$device" country
+ config_get distance "$device" distance
+ find_mac80211_phy "$device" || return 0
+ config_get phy "$device" phy
+ local i=0
+ local macidx=0
+ local apidx=0
+ fixed=""
+
+ [ -n "$country" ] && iw reg set "$country"
+ [ "$channel" = "auto" -o "$channel" = "0" ] || {
+ fixed=1
+ }
+
+ [ -n "$distance" ] && iw phy "$phy" set distance "$distance"
+
+ export channel fixed
+ # convert channel to frequency
+ local freq="$(get_freq "$phy" "${fixed:+$channel}")"
+
+ wifi_fixup_hwmode "$device" "g"
+ for vif in $vifs; do
+ while [ -d "/sys/class/net/wlan$i" ]; do
+ i=$(($i + 1))
+ done
+
+ config_get ifname "$device" ifname
+ [ -n "$ifname" ] || {
+ ifname="wlan0"
+ }
+ config_set "$vif" ifname "$ifname"
+
+ config_get mode "$vif" mode
+ config_get ssid "$vif" ssid
+
+ # It is far easier to delete and create the desired interface
+ case "$mode" in
+ adhoc)
+ iw phy "$phy" interface add "$ifname" type adhoc
+ ;;
+ ap)
+ # Hostapd will handle recreating the interface and
+ # it's accompanying monitor
+ apidx="$(($apidx + 1))"
+ i=$(($i + 1))
+ [ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
+ ;;
+ mesh)
+ config_get mesh_id "$vif" mesh_id
+ iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
+ ;;
+ monitor)
+ iw phy "$phy" interface add "$ifname" type monitor
+ ;;
+ sta)
+ local wdsflag
+ config_get_bool wds "$vif" wds 0
+ ;;
+ esac
+
+ # All interfaces must have unique mac addresses
+ # which can either be explicitly set in the device
+ # section, or automatically generated
+ config_get macaddr "$device" macaddr
+ local mac_1="${macaddr%%:*}"
+ local mac_2="${macaddr#*:}"
+
+ config_get vif_mac "$vif" macaddr
+ [ -n "$vif_mac" ] || {
+ if [ "$macidx" -gt 0 ]; then
+ offset="$(( 2 + $macidx * 4 ))"
+ else
+ offset="0"
+ fi
+ vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2"
+ macidx="$(($macidx + 1))"
+ }
+ [ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
+ config_set "$vif" macaddr "$vif_mac"
+
+ # !! ap !!
+ #
+ # ALL ap functionality will be passed to hostapd
+ #
+ # !! station !!
+ #
+ # ALL station functionality will be passed to wpa_supplicant
+ #
+ #if [ ! "$mode" = "ap" ]; then
+ # We attempt to set the channel for all interfaces, although
+ # mac80211 may not support it or the driver might not yet
+ # for ap mode this is handled by hostapd
+ # echo "iw dev set channel"
+ # [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel"
+ #fi
+
+ # txpower is not yet implemented in iw
+# config_get vif_txpower "$vif" txpower
+ # use vif_txpower (from wifi-iface) to override txpower (from
+ # wifi-device) if the latter doesn't exist
+# txpower="${txpower:-$vif_txpower}"
+# [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
+
+ done
+
+ local start_hostapd=
+ rm -f /var/run/hostapd-$phy.conf
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ [ "$mode" = "ap" ] || continue
+ mac80211_hostapd_setup_bss "$phy" "$vif"
+ start_hostapd=1
+ done
+
+ [ -n "$start_hostapd" ] && {
+ hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
+ echo "Failed to start hostapd for $phy"
+ return
+ }
+ sleep 2
+
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ config_get ifname "$vif" ifname
+ [ "$mode" = "ap" ] || continue
+ mac80211_start_vif "$vif" "$ifname"
+ done
+ }
+
+ for vif in $vifs; do
+ config_get mode "$vif" mode
+ config_get ifname "$vif" ifname
+ [ ! "$mode" = "ap" ] || continue
+ ifconfig "$ifname" up
+
+ if [ ! "$mode" = "ap" ]; then
+ ifconfig "$ifname" up
+ case "$mode" in
+ adhoc)
+ config_get bssid "$vif" bssid
+ config_get ssid "$vif" ssid
+ iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid
+ ;;
+ sta)
+ if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+ wpa_supplicant_setup_vif "$vif" mac80211 || {
+ echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
+ # make sure this wifi interface won't accidentally stay open without encryption
+ ifconfig "$ifname" down
+ continue
+ }
+ fi
+ ;;
+ esac
+ mac80211_start_vif "$vif" "$ifname"
+ fi
+ done
+
+}
+
+
+check_device() {
+ config_get phy "$1" phy
+ [ -z "$phy" ] && {
+ find_mac80211_phy "$1" >/dev/null || return 0
+ config_get phy "$1" phy
+ }
+ [ "$phy" = "$dev" ] && found=1
+}
+
+detect_mac80211() {
+ devidx=0
+ config_load wireless
+ while :; do
+ config_get type "radio$devidx" type
+ [ -n "$type" ] || break
+ devidx=$(($devidx + 1))
+ done
+ for dev in $(ls /sys/class/ieee80211); do
+ found=0
+ config_foreach check_device wifi-device
+ [ "$found" -gt 0 ] && continue
+
+ mode_11n=""
+ mode_band="g"
+ channel="5"
+ ht_cap=0
+ for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
+ ht_cap="$(($ht_cap | $cap))"
+ done
+ ht_capab="";
+ [ "$ht_cap" -gt 0 ] && {
+ mode_11n="n"
+ append ht_capab " option htmode HT20" "$N"
+
+ list=" list ht_capab"
+ [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
+ [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
+ [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
+ [ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N"
+ [ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N"
+ [ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N"
+ [ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N"
+ [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
+ }
+ iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
+
+ cat <<EOF
+config wifi-device radio$devidx
+ option type mac80211
+ option channel ${channel}
+ option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)
+ option hwmode 11${mode_11n}${mode_band}
+$ht_capab
+ # REMOVE THIS LINE TO ENABLE WIFI:
+ option disabled 1
+
+config wifi-iface
+ option device radio$devidx
+ option network lan
+ option mode ap
+ option ssid OpenWrt
+ option encryption none
+
+EOF
+ devidx=$(($devidx + 1))
+ done
+}
+
--
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