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author | Felix Fietkau <nbd@openwrt.org> | 2013-12-02 16:41:03 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2013-12-02 16:41:03 +0000 |
commit | 3fab0ab03ffebf980a4582b3c4a54d4fb6a74c08 (patch) | |
tree | 89cfa70014c554c8753782fab558317974e838ee /package/kernel | |
parent | fed8a06b41e0972b0cd25036eaa411f34397debc (diff) | |
download | master-187ad058-3fab0ab03ffebf980a4582b3c4a54d4fb6a74c08.tar.gz master-187ad058-3fab0ab03ffebf980a4582b3c4a54d4fb6a74c08.tar.bz2 master-187ad058-3fab0ab03ffebf980a4582b3c4a54d4fb6a74c08.zip |
netifd: add wireless configuration support and port mac80211 to the new framework
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38988 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/kernel')
-rw-r--r-- | package/kernel/mac80211/Makefile | 5 | ||||
-rw-r--r-- | package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh | 443 | ||||
-rw-r--r-- | package/kernel/mac80211/files/lib/wifi/mac80211.sh | 532 |
3 files changed, 446 insertions, 534 deletions
diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile index aafa28bd1e..21b8bb517c 100644 --- a/package/kernel/mac80211/Makefile +++ b/package/kernel/mac80211/Makefile @@ -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 $(1)/lib/netifd/wireless endef define KernelPackage/p54-pci/install diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh new file mode 100644 index 0000000000..eefe1fed5d --- /dev/null +++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh @@ -0,0 +1,443 @@ +#!/bin/sh +. /lib/netifd/netifd-wireless.sh +. /lib/netifd/hostapd.sh + +init_wireless_driver "$@" + +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 diff --git a/package/kernel/mac80211/files/lib/wifi/mac80211.sh b/package/kernel/mac80211/files/lib/wifi/mac80211.sh index 1994ca38d4..e33b09abb2 100644 --- a/package/kernel/mac80211/files/lib/wifi/mac80211.sh +++ b/package/kernel/mac80211/files/lib/wifi/mac80211.sh @@ -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" ] && { |