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authorFelix Fietkau <nbd@openwrt.org>2013-12-02 16:41:03 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-12-02 16:41:03 +0000
commit498d84fc4e00ad75514c3a9dde09338552b89a8c (patch)
treec356de13fce36967a6069a2b470b070eafdc6690 /package/kernel/mac80211/files/lib/netifd/wireless
parentc9902e141e021a683e871d594ddd15a978def1d5 (diff)
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netifd: add wireless configuration support and port mac80211 to the new framework
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 38988
Diffstat (limited to 'package/kernel/mac80211/files/lib/netifd/wireless')
-rw-r--r--package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh443
1 files changed, 443 insertions, 0 deletions
diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
new file mode 100644
index 0000000..eefe1fe
--- /dev/null
+++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
@@ -0,0 +1,443 @@
+#!/bin/sh
+. /lib/netifd/netifd-wireless.sh
+. /lib/netifd/hostapd.sh
+
+init_wireless_driver "$@"
+
+MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
+ mesh_max_retries mesh_ttl mesh_element_ttl mesh_hwmp_max_preq_retries
+ mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
+ mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
+ mesh_hwmp_rann_interval mesh_gate_announcements mesh_sync_offset_max_neighor
+ mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
+ mesh_hwmp_confirmation_interval mesh_awake_window mesh_plink_timeout"
+MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
+MP_CONFIG_STRING="mesh_power_mode"
+
+drv_mac80211_init_device_config() {
+ hostapd_common_add_device_config
+
+ config_add_string path phy macaddr
+ config_add_string hwmode
+ config_add_int beacon_int chanbw frag rts
+ config_add_int rxantenna txantenna antenna_gain txpower
+ config_add_boolean noscan
+ config_add_array ht_capab
+}
+
+drv_mac80211_init_iface_config() {
+ hostapd_common_add_bss_config
+
+ config_add_string macaddr
+
+ config_add_boolean wds powersave
+ config_add_int maxassoc
+ config_add_int max_listen_int
+ config_add_int dtim_interval
+
+ # mesh
+ config_add_int $MP_CONFIG_INT
+ config_add_boolean $MP_CONFIG_BOOL
+ config_add_string $MP_CONFIG_STRING
+}
+
+mac80211_hostapd_setup_base() {
+ local phy="$1"
+
+ json_select config
+
+ [ "$auto_channel" -gt 0 ] && channel=acs_survey
+
+ [ "$enable_ht" -gt 0 ] && {
+ json_get_vars noscan htmode
+ json_get_values ht_capab_list ht_capab
+
+ append base_cfg "ieee80211n=1" "$N"
+
+ ht_capab=
+ [ -n "$htmode" ] && ht_capab="[$htmode]"
+ for cap in $ht_capab_list; do
+ ht_capab="$ht_capab[$cap]"
+ done
+
+ [ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
+ }
+
+ hostapd_prepare_device_config "$hostapd_conf_file" nl80211
+ cat >> "$hostapd_conf_file" <<EOF
+${channel:+channel=$channel}
+${noscan:+noscan=$noscan}
+$base_cfg
+
+EOF
+ json_select ..
+}
+
+mac80211_hostapd_setup_bss() {
+ local phy="$1"
+ local ifname="$2"
+ local macaddr="$3"
+ local type="$4"
+
+ hostapd_cfg=
+ append hostapd_cfg "$type=$ifname" "$N"
+
+ hostapd_set_bss_options hostapd_cfg "$vif" || return 1
+ json_get_vars wds dtim_period max_listen_int
+
+ [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
+ [ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
+
+ cat >> /var/run/hostapd-$phy.conf <<EOF
+$hostapd_cfg
+bssid=$macaddr
+${dtim_period:+dtim_period=$dtim_period}
+${max_listen_int:+max_listen_interval=$max_listen_int}
+EOF
+}
+
+mac80211_generate_mac() {
+ local phy="$1"
+ local id="${macidx:-0}"
+
+ local ref="$(cat /sys/class/ieee80211/${phy}/macaddress)"
+ local mask="$(cat /sys/class/ieee80211/${phy}/address_mask)"
+
+ [ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
+ local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
+
+ local mask1=$1
+ local mask6=$6
+
+ local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
+
+ macidx=$(($id + 1))
+ [ "$((0x$mask1))" -gt 0 ] && {
+ b1="0x$1"
+ [ "$id" -gt 0 ] && \
+ b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
+ printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
+ return
+ }
+
+ [ "$((0x$mask6))" -lt 255 ] && {
+ printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
+ return
+ }
+
+ off2=$(( (0x$6 + $id) / 0x100 ))
+ printf "%s:%s:%s:%s:%02x:%02x" \
+ $1 $2 $3 $4 \
+ $(( (0x$5 + $off2) % 0x100 )) \
+ $(( (0x$6 + $id) % 0x100 ))
+}
+
+find_phy() {
+ [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
+ [ -n "$path" -a -d "/sys/devices/$path/ieee80211" ] && {
+ phy="$(ls /sys/devices/$path/ieee80211 | grep -m 1 phy)"
+ [ -n "$phy" ] && return 0
+ }
+ [ -n "$macaddr" ] && {
+ for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
+ grep -i -q "$macaddr" "/sys/class/ieee80211/${phy}/macaddress" && return 0
+ done
+ }
+ return 1
+}
+
+mac80211_check_ap() {
+ has_ap=1
+}
+
+mac80211_prepare_vif() {
+ json_select config
+
+ json_get_vars ifname mode ssid wds powersave macaddr
+
+ [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
+ if_idx=$((${if_idx:-0} + 1))
+
+ set_default wds 0
+ set_default powersave 0
+
+ json_select ..
+
+ [ -n "$macaddr" ] || {
+ macaddr="$(mac80211_generate_mac $phy)"
+ macidx="$(($macidx + 1))"
+ }
+
+ json_add_object data
+ json_add_string ifname "$ifname"
+ json_close_object
+ json_select config
+
+ # It is far easier to delete and create the desired interface
+ case "$mode" in
+ adhoc)
+ iw phy "$phy" interface add "$ifname" type adhoc
+ ;;
+ ap)
+ # Hostapd will handle recreating the interface and
+ # subsequent virtual APs belonging to the same PHY
+ if [ -n "$hostapd_ctrl" ]; then
+ type=bss
+ else
+ type=interface
+ fi
+
+ mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
+
+ [ -n "$hostapd_ctrl" ] || {
+ iw phy "$phy" interface add "$ifname" type managed
+ hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd/$ifname}"
+ }
+ ;;
+ mesh)
+ json_get_vars key mesh_id
+ if [ -n "$key" ]; then
+ iw phy "$phy" interface add "$ifname" type mp
+ else
+ iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
+ fi
+ ;;
+ monitor)
+ iw phy "$phy" interface add "$ifname" type monitor
+ ;;
+ sta)
+ local wdsflag=
+ staidx="$(($staidx + 1))"
+ [ "$wds" -gt 0 ] && wdsflag="4addr on"
+ iw phy "$phy" interface add "$ifname" type managed $wdsflag
+ [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
+ iw "$ifname" set power_save "$powersave"
+ ;;
+ esac
+
+ case "$mode" in
+ monitor|mesh)
+ [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
+ ;;
+ esac
+
+ if [ "$mode" != "ap" ]; then
+ # ALL ap functionality will be passed to hostapd
+ # All interfaces must have unique mac addresses
+ # which can either be explicitly set in the device
+ # section, or automatically generated
+ ifconfig "$ifname" hw ether "$macaddr"
+ fi
+
+ json_select ..
+}
+
+mac80211_setup_supplicant() {
+ wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
+ wpa_supplicant_add_network "$ifname"
+ wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
+}
+
+mac80211_setup_adhoc() {
+ json_get_vars bssid ssid basic_rate key
+
+ keyspec=
+ [ "$auth_type" == "wep" ] && {
+ set_default key 1
+ case "$key" in
+ [1234])
+ local idx
+ for idx in 1 2 3 4; do
+ json_get_var ikey "key$idx"
+
+ [ -n "$ikey" ] && {
+ ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
+ [ $idx -eq $key ] && ikey="d:$ikey"
+ append keyspec "$ikey"
+ }
+ done
+ ;;
+ *)
+ append keyspec "d:0:$(prepare_key_wep "$key")"
+ ;;
+ esac
+ }
+
+ brstr=
+ for br in $basic_rate; do
+ hostapd_add_rate brstr "$br"
+ done
+
+ mcval=
+ [ -n "$mcast_rate" ] && hostapd_add_rate mcval "$mcast_rate"
+
+ iw dev "$ifname" ibss join "$ssid" $freq $htmode \
+ ${fixed:+fixed-freq} $bssid \
+ ${beacon_int:+beacon-interval $beacon_int} \
+ ${brstr:+basic-rates $brstr} \
+ ${mcval:+mcast-rate $mcval} \
+ ${keyspec:+keys $keyspec}
+}
+
+mac80211_setup_vif() {
+ local name="$1"
+
+ json_select data
+ json_get_vars ifname
+ json_select ..
+
+ json_select config
+ json_get_vars mode
+ json_get_var vif_txpower txpower
+
+ ifconfig "$ifname" up || {
+ wireless_setup_vif_failed IFUP_ERROR
+ json_select ..
+ return
+ }
+
+ set_default vif_txpower "$txpower"
+ [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
+
+ case "$mode" in
+ mesh)
+ for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
+ json_get_var mp_val "$var"
+ [ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$var" "$mp_val"
+ done
+ # todo: authsae
+ ;;
+ adhoc)
+ wireless_vif_parse_encryption
+ if [ "$wpa" -gt 0 ]; then
+ mac80211_setup_supplicant || failed=1
+ else
+ mac80211_setup_adhoc
+ fi
+ ;;
+ sta)
+ mac80211_setup_supplicant || failed=1
+ ;;
+ esac
+
+ json_select ..
+ [ -n "$failed" ] || wireless_add_vif "$name" "$ifname"
+}
+
+get_freq() {
+ local phy="$1"
+ local chan="$2"
+ iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
+}
+
+mac80211_interface_cleanup() {
+ local phy="$1"
+
+ for wdev in $(list_phy_interfaces "$phy"); do
+ ifconfig "$wdev" down 2>/dev/null
+ iw dev "$wdev" del
+ done
+}
+
+drv_mac80211_cleanup() {
+ hostapd_common_cleanup
+}
+
+drv_mac80211_setup() {
+ json_select config
+ json_get_vars \
+ phy macaddr path \
+ country chanbw distance \
+ txpower antenna_gain \
+ rxantenna txantenna \
+ frag rts beacon_int
+ json_select ..
+
+ find_phy || {
+ echo "Could not find PHY for device '$1'"
+ wireless_set_retry 0
+ return 1
+ }
+
+ wireless_set_data phy="$phy"
+ mac80211_interface_cleanup "$phy"
+
+ # convert channel to frequency
+ [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
+
+ [ -n "$country" ] && {
+ iw reg get | grep -q "^country $country:" || {
+ iw reg set "$country"
+ sleep 1
+ }
+ }
+
+ hostapd_conf_file="/var/run/hostapd-$phy.conf"
+
+ no_ap=1
+ macidx=0
+ staidx=0
+
+ [ -n "$chanbw" ] && {
+ for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
+ [ -f "$file" ] && echo "$chanbw" > "$file"
+ done
+ }
+
+ set_default rxantenna all
+ set_default txantenna all
+ set_default distance 0
+ set_default antenna_gain 0
+
+ iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
+ iw phy "$phy" set antenna_gain $antenna_gain
+ iw phy "$phy" set distance "$distance"
+
+ [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
+ [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
+
+ has_ap=
+ hostapd_ctrl=
+ for_each_interface "ap" mac80211_check_ap
+
+ rm -f "$hostapd_conf_file"
+ [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
+
+ for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
+ for_each_interface "ap" mac80211_prepare_vif
+
+ [ -n "$hostapd_ctrl" ] && {
+ /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
+ ret="$?"
+ wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
+ [ "$ret" != 0 ] && {
+ wireless_setup_failed HOSTAPD_START_FAILED
+ return
+ }
+ }
+
+ for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
+
+ wireless_set_up
+}
+
+list_phy_interfaces() {
+ local phy="$1"
+ if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
+ ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
+ else
+ ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
+ fi
+}
+
+drv_mac80211_teardown() {
+ wireless_process_kill_all
+
+ json_select data
+ json_get_vars phy
+ json_select ..
+
+ mac80211_interface_cleanup "$phy"
+}
+
+add_driver mac80211