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netifd: add wireless configuration support and port mac80211 to the new framework

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38988
This commit is contained in:
Felix Fietkau
2013-12-02 16:41:03 +00:00
parent c9902e141e
commit 498d84fc4e
8 changed files with 1069 additions and 544 deletions
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5
package/kernel/mac80211/Makefile
View File

@@ -72,7 +72,7 @@ endef
define KernelPackage/mac80211
$(call KernelPackage/mac80211/Default)
TITLE:=Linux 802.11 Wireless Networking Stack
DEPENDS+= +kmod-crypto-core +kmod-crypto-arc4 +kmod-crypto-aes +kmod-cfg80211
DEPENDS+= +kmod-crypto-core +kmod-crypto-arc4 +kmod-crypto-aes +kmod-cfg80211 +hostapd-common
KCONFIG:=\
CONFIG_AVERAGE=y
FILES:= $(PKG_BUILD_DIR)/net/mac80211/mac80211.ko
@@ -1537,8 +1537,9 @@ define KernelPackage/libertas-sd/install
endef
define KernelPackage/cfg80211/install
$(INSTALL_DIR) $(1)/lib/wifi
$(INSTALL_DIR) $(1)/lib/wifi $(1)/lib/netifd/wireless
$(INSTALL_DATA) ./files/lib/wifi/mac80211.sh $(1)/lib/wifi
$(INSTALL_BIN) ./files/lib/netifd/wireless/mac80211.sh $(1)/lib/netifd/wireless
endef
define KernelPackage/p54-pci/install

443
package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh Normal file
View File

@@ -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

532
package/kernel/mac80211/files/lib/wifi/mac80211.sh
View File

@@ -1,166 +1,6 @@
#!/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 beacon_int "$device" beacon_int
config_get basic_rate_list "$device" basic_rate
config_get_bool noscan "$device" noscan
hostapd_set_log_options base_cfg "$device"
[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
hostapd_channel=$channel
[ "$channel" = auto -o "$channel" = 0 ] && hostapd_channel=acs_survey
[ -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"
}
}
local country_ie=0
[ -n "$country" ] && country_ie=1
config_get_bool country_ie "$device" country_ie "$country_ie"
[ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
local br brval brstr
[ -n "$basic_rate_list" ] && {
for br in $basic_rate_list; do
brval="$(($br / 100))"
[ -n "$brstr" ] && brstr="$brstr "
brstr="$brstr$brval"
done
}
cat >> "$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}
${hostapd_channel:+channel=$hostapd_channel}
${beacon_int:+beacon_int=$beacon_int}
${country:+country_code=$country}
${noscan:+noscan=$noscan}
${brstr:+basic_rates=$brstr}
$base_cfg
EOF
}
mac80211_hostapd_setup_bss() {
local phy="$1"
local vif="$2"
local staidx="$3"
hostapd_cfg=
cfgfile="/var/run/hostapd-$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" "$N"
[ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
local macaddr hidden maxassoc wmm
config_get macaddr "$vif" macaddr
config_get maxassoc "$vif" maxassoc
config_get dtim_period "$vif" dtim_period
config_get max_listen_int "$vif" max_listen_int
config_get_bool hidden "$vif" hidden 0
config_get_bool wmm "$vif" wmm 1
cat >> /var/run/hostapd-$phy.conf <<EOF
$hostapd_cfg
wmm_enabled=$wmm
bssid=$macaddr
ignore_broadcast_ssid=$hidden
${dtim_period:+dtim_period=$dtim_period}
${max_listen_int:+max_listen_interval=$max_listen_int}
${maxassoc:+max_num_sta=$maxassoc}
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"
}
lookup_phy() {
[ -n "$phy" ] && {
[ -d /sys/class/ieee80211/$phy ] && return
@@ -204,378 +44,6 @@ find_mac80211_phy() {
return 0
}
scan_mac80211() {
local device="$1"
local adhoc sta ap monitor mesh disabled
config_get vifs "$device" vifs
for vif in $vifs; do
config_get_bool disabled "$vif" disabled 0
[ $disabled = 0 ] || continue
config_get mode "$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}"
}
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
}
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 $(list_phy_interfaces "$phy"); do
[ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
for pid in `pidof wpa_supplicant meshd-nl80211`; 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}'
}
mac80211_generate_mac() {
local id="$1"
local ref="$2"
local mask="$3"
[ "$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"
[ "$((0x$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 ))
}
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
config_get txantenna "$device" txantenna all
config_get rxantenna "$device" rxantenna all
config_get antenna_gain "$device" antenna_gain 0
config_get frag "$device" frag
config_get rts "$device" rts
find_mac80211_phy "$device" || return 0
config_get phy "$device" phy
local i=0
local macidx=0
local apidx=0
local staidx=0
fixed=""
local hostapd_ctrl=""
[ -n "$country" ] && {
iw reg get | grep -q "^country $country:" || {
iw reg set "$country"
sleep 1
}
}
config_get chanbw "$device" chanbw
[ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
[ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath5k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode
[ "$channel" = "auto" -o "$channel" = "0" ] || {
fixed=1
}
iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
iw phy "$phy" set antenna_gain $antenna_gain
[ -n "$distance" ] && iw phy "$phy" set distance "$distance"
[ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
[ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
export channel fixed
# convert channel to frequency
local freq="$(get_freq "$phy" "${fixed:+$channel}")"
wifi_fixup_hwmode "$device" "g"
for vif in $vifs; do
config_get ifname "$vif" ifname
[ -n "$ifname" ] || {
[ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
}
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 "$ifname" type adhoc
;;
ap)
# Hostapd will handle recreating the interface and
# it's accompanying monitor
apidx="$(($apidx + 1))"
[ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
;;
mesh)
config_get key "$vif" key ""
if [ -n "$key" ]; then
iw phy "$phy" interface add "$ifname" type mp
else
config_get mesh_id "$vif" mesh_id
iw phy "$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))"
config_get_bool wds "$vif" wds 0
[ "$wds" -gt 0 ] && wdsflag="4addr on"
iw phy "$phy" interface add "$ifname" type managed $wdsflag
config_get_bool powersave "$vif" powersave 0
[ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
iw "$ifname" set power_save "$powersave"
;;
esac
# All interfaces must have unique mac addresses
# which can either be explicitly set in the device
# section, or automatically generated
config_get macaddr "$device" macaddr
config_get vif_mac "$vif" macaddr
[ -n "$vif_mac" ] || {
vif_mac="$(mac80211_generate_mac $macidx $macaddr $(cat /sys/class/ieee80211/${phy}/address_mask))"
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
config_get htmode "$device" htmode
case "$htmode" in
HT20|HT40+|HT40-) ;;
*) htmode= ;;
esac
[ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel" $htmode
fi
i=$(($i + 1))
done
local start_hostapd=
rm -f /var/run/hostapd-$phy.conf
for vif in $vifs; do
config_get mode "$vif" mode
case "$mode" in
ap)
mac80211_hostapd_setup_bss "$phy" "$vif" "$staidx"
start_hostapd=1
;;
mesh)
config_get key "$vif" key ""
[ -n "$key" ] && authsae_start_interface "$device" "$vif"
;;
esac
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
hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
mac80211_start_vif "$vif" "$ifname"
done
}
for vif in $vifs; do
config_get mode "$vif" mode
config_get ifname "$vif" ifname
[ "$mode" = "ap" ] || ifconfig "$ifname" up
config_get vif_txpower "$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 "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
case "$mode" in
adhoc)
config_get bssid "$vif" bssid
config_get ssid "$vif" ssid
config_get beacon_int "$device" beacon_int
config_get basic_rate_list "$device" basic_rate
config_get encryption "$vif" encryption
config_get key "$vif" key 1
config_get mcast_rate "$vif" mcast_rate
config_get htmode "$device" htmode
case "$htmode" in
HT20|HT40+|HT40-) ;;
*) htmode= ;;
esac
local keyspec=""
[ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq $htmode || {
echo "enable_mac80211($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
}
mac80211_start_vif "$vif" "$ifname"
continue
fi
}
[ "$encryption" == "wep" ] && {
case "$key" in
[1234])
local idx
for idx in 1 2 3 4; do
local ikey
config_get ikey "$vif" "key$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 "$key")" ;;
esac
}
local br brval brsub brstr
[ -n "$basic_rate_list" ] && {
for br in $basic_rate_list; do
brval="$(($br / 1000))"
brsub="$((($br / 100) % 10))"
[ "$brsub" -gt 0 ] && brval="$brval.$brsub"
[ -n "$brstr" ] && brstr="$brstr,"
brstr="$brstr$brval"
done
}
local mcval=""
[ -n "$mcast_rate" ] && {
mcval="$(($mcast_rate / 1000))"
mcsub="$(( ($mcast_rate / 100) % 10 ))"
[ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
}
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}
;;
mesh)
mp_list="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
mesh_max_retries mesh_ttl mesh_element_ttl mesh_auto_open_plinks 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_fwding mesh_sync_offset_max_neighor
mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
mesh_hwmp_confirmation_interval mesh_power_mode mesh_awake_window"
for mp in $mp_list
do
config_get mp_val "$vif" "$mp" ""
[ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$mp" "$mp_val"
done
;;
sta)
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
echo "enable_mac80211($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
[ "$mode" = "ap" ] || mac80211_start_vif "$vif" "$ifname"
done
}
check_mac80211_device() {
config_get phy "$1" phy
[ -z "$phy" ] && {