mac80211: do not try to setup hostapd-managed interfaces.
[openwrt/openwrt.git] / package / kernel / mac80211 / files / lib / netifd / wireless / mac80211.sh
index 824c87ac15cd068edf9d3f0798c152b0d4be5f88..f59c4982159d5be5f11ce01b58cbad963399827f 100644 (file)
@@ -1,6 +1,7 @@
 #!/bin/sh
 . /lib/netifd/netifd-wireless.sh
 . /lib/netifd/hostapd.sh
+. /lib/netifd/mac80211.sh
 
 init_wireless_driver "$@"
 
@@ -14,15 +15,24 @@ MP_CONFIG_INT="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh
 MP_CONFIG_BOOL="mesh_auto_open_plinks mesh_fwding"
 MP_CONFIG_STRING="mesh_power_mode"
 
+NEWAPLIST=
+OLDAPLIST=
+NEWSPLIST=
+OLDSPLIST=
+NEWUMLIST=
+OLDUMLIST=
+
 drv_mac80211_init_device_config() {
        hostapd_common_add_device_config
 
        config_add_string path phy 'macaddr:macaddr'
        config_add_string hwmode
+       config_add_string tx_burst
        config_add_int beacon_int chanbw frag rts
        config_add_int rxantenna txantenna antenna_gain txpower distance
-       config_add_boolean noscan
+       config_add_boolean noscan ht_coex acs_exclude_dfs
        config_add_array ht_capab
+       config_add_array channels
        config_add_boolean \
                rxldpc \
                short_gi_80 \
@@ -51,7 +61,8 @@ drv_mac80211_init_iface_config() {
 
        config_add_string 'macaddr:macaddr' ifname
 
-       config_add_boolean wds powersave
+       config_add_boolean wds powersave enable
+       config_add_string wds_bridge
        config_add_int maxassoc
        config_add_int max_listen_int
        config_add_int dtim_period
@@ -89,9 +100,19 @@ mac80211_hostapd_setup_base() {
        json_select config
 
        [ "$auto_channel" -gt 0 ] && channel=acs_survey
+       [ "$auto_channel" -gt 0 ] && json_get_values channel_list channels
+
+       [ "$auto_channel" -gt 0 ] && json_get_vars acs_exclude_dfs
+       [ -n "$acs_exclude_dfs" ] && [ "$acs_exclude_dfs" -gt 0 ] &&
+               append base_cfg "acs_exclude_dfs=1" "$N"
+
+       json_get_vars noscan ht_coex
+       json_get_values ht_capab_list ht_capab tx_burst
+
+       set_default noscan 0
 
-       json_get_vars noscan
-       json_get_values ht_capab_list ht_capab
+       [ "$noscan" -gt 0 ] && hostapd_noscan=1
+       [ "$tx_burst" = 0 ] && tx_burst=
 
        ieee80211n=1
        ht_capab=
@@ -127,6 +148,9 @@ mac80211_hostapd_setup_base() {
        [ -n "$ieee80211n" ] && {
                append base_cfg "ieee80211n=1" "$N"
 
+               set_default ht_coex 0
+               append base_cfg "ht_coex=$ht_coex" "$N"
+
                json_get_vars \
                        ldpc:1 \
                        greenfield:0 \
@@ -215,10 +239,10 @@ mac80211_hostapd_setup_base() {
                        vht_max_a_mpdu_len_exp:7 \
                        vht_max_mpdu:11454 \
                        rx_stbc:4 \
-                       tx_stbc:4 \
                        vht_link_adapt:3 \
                        vht160:2
 
+               set_default tx_burst 2.0
                append base_cfg "ieee80211ac=1" "$N"
                vht_cap=0
                for cap in $(iw phy "$phy" info | awk -F "[()]" '/VHT Capabilities/ { print $2 }'); do
@@ -227,13 +251,13 @@ mac80211_hostapd_setup_base() {
 
                cap_rx_stbc=$((($vht_cap >> 8) & 7))
                [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
-               ht_cap_mask="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
+               vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
 
                mac80211_add_capabilities vht_capab $vht_cap \
                        RXLDPC:0x10::$rxldpc \
                        SHORT-GI-80:0x20::$short_gi_80 \
                        SHORT-GI-160:0x40::$short_gi_160 \
-                       TX-STBC-2BY1:0x80::$tx_stbc \
+                       TX-STBC-2BY1:0x80::$tx_stbc_2by1 \
                        SU-BEAMFORMER:0x800::$su_beamformer \
                        SU-BEAMFORMEE:0x1000::$su_beamformee \
                        MU-BEAMFORMER:0x80000::$mu_beamformer \
@@ -242,10 +266,10 @@ mac80211_hostapd_setup_base() {
                        HTC-VHT:0x400000::$htc_vht \
                        RX-ANTENNA-PATTERN:0x10000000::$rx_antenna_pattern \
                        TX-ANTENNA-PATTERN:0x20000000::$tx_antenna_pattern \
-                       RX-STBC1:0x700:0x100:1 \
-                       RX-STBC12:0x700:0x200:1 \
-                       RX-STBC123:0x700:0x300:1 \
-                       RX-STBC1234:0x700:0x400:1 \
+                       RX-STBC-1:0x700:0x100:1 \
+                       RX-STBC-12:0x700:0x200:1 \
+                       RX-STBC-123:0x700:0x300:1 \
+                       RX-STBC-1234:0x700:0x400:1 \
 
                # supported Channel widths
                vht160_hw=0
@@ -264,7 +288,7 @@ mac80211_hostapd_setup_base() {
                        vht_max_mpdu_hw=11454
                [ "$vht_max_mpdu_hw" != 3895 ] && \
                        vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
-                       
+
                # maximum A-MPDU length exponent
                vht_max_a_mpdu_len_exp_hw=0
                [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
@@ -298,11 +322,15 @@ mac80211_hostapd_setup_base() {
        hostapd_prepare_device_config "$hostapd_conf_file" nl80211
        cat >> "$hostapd_conf_file" <<EOF
 ${channel:+channel=$channel}
-${noscan:+noscan=$noscan}
+${channel_list:+chanlist=$channel_list}
+${hostapd_noscan:+noscan=1}
+${tx_burst:+tx_queue_data2_burst=$tx_burst}
 $base_cfg
 
 EOF
        json_select ..
+       radio_md5sum=$(md5sum $hostapd_conf_file | cut -d" " -f1)
+       echo "radio_config_id=${radio_md5sum}" >> $hostapd_conf_file
 }
 
 mac80211_hostapd_setup_bss() {
@@ -315,12 +343,15 @@ mac80211_hostapd_setup_bss() {
        append hostapd_cfg "$type=$ifname" "$N"
 
        hostapd_set_bss_options hostapd_cfg "$vif" || return 1
-       json_get_vars wds dtim_period max_listen_int start_disabled
+       json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 
        set_default wds 0
        set_default start_disabled 0
 
-       [ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
+       [ "$wds" -gt 0 ] && {
+               append hostapd_cfg "wds_sta=1" "$N"
+               [ -n "$wds_bridge" ] && append hostapd_cfg "wds_bridge=$wds_bridge" "$N"
+       }
        [ "$staidx" -gt 0 -o "$start_disabled" -eq 1 ] && append hostapd_cfg "start_disabled=1" "$N"
 
        cat >> /var/run/hostapd-$phy.conf <<EOF
@@ -368,7 +399,7 @@ mac80211_generate_mac() {
        [ "$((0x$mask1))" -gt 0 ] && {
                b1="0x$1"
                [ "$id" -gt 0 ] && \
-                       b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
+                       b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2) | 0x2)))
                printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
                return
        }
@@ -388,12 +419,8 @@ mac80211_generate_mac() {
 find_phy() {
        [ -n "$phy" -a -d /sys/class/ieee80211/$phy ] && return 0
        [ -n "$path" ] && {
-               for phy in /sys/devices/$path/ieee80211/phy*; do
-                       [ -e "$phy" ] && {
-                               phy="${phy##*/}"
-                               return 0
-                       }
-               done
+               phy="$(mac80211_path_to_phy "$path")"
+               [ -n "$phy" ] && return 0
        }
        [ -n "$macaddr" ] && {
                for phy in $(ls /sys/class/ieee80211 2>/dev/null); do
@@ -407,10 +434,68 @@ mac80211_check_ap() {
        has_ap=1
 }
 
+mac80211_iw_interface_add() {
+       local phy="$1"
+       local ifname="$2"
+       local type="$3"
+       local wdsflag="$4"
+       local rc
+
+       iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
+       rc="$?"
+
+       [ "$rc" = 233 ] && {
+               # Device might have just been deleted, give the kernel some time to finish cleaning it up
+               sleep 1
+
+               iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
+               rc="$?"
+       }
+
+       [ "$rc" = 233 ] && {
+               # Keep matching pre-existing interface
+               [ -d "/sys/class/ieee80211/${phy}/device/net/${ifname}" ] && \
+               case "$(iw dev wlan0 info | grep "^\ttype" | cut -d' ' -f2- 2>/dev/null)" in
+                       "AP")
+                               [ "$type" = "__ap" ] && rc=0
+                               ;;
+                       "IBSS")
+                               [ "$type" = "adhoc" ] && rc=0
+                               ;;
+                       "managed")
+                               [ "$type" = "managed" ] && rc=0
+                               ;;
+                       "mesh point")
+                               [ "$type" = "mp" ] && rc=0
+                               ;;
+                       "monitor")
+                               [ "$type" = "monitor" ] && rc=0
+                               ;;
+               esac
+       }
+
+       [ "$rc" = 233 ] && {
+               iw dev "$ifname" del
+               sleep 1
+
+               iw phy "$phy" interface add "$ifname" type "$type" $wdsflag
+               rc="$?"
+       }
+
+       [ "$rc" = 233 ] && {
+               # Device might not support virtual interfaces, so the interface never got deleted in the first place.
+               # Check if the interface already exists, and avoid failing in this case.
+               ip link show dev "$ifname" >/dev/null 2>/dev/null && rc=0
+       }
+
+       [ "$rc" != 0 ] && wireless_setup_failed INTERFACE_CREATION_FAILED
+       return $rc
+}
+
 mac80211_prepare_vif() {
        json_select config
 
-       json_get_vars ifname mode ssid wds powersave macaddr
+       json_get_vars ifname mode ssid wds powersave macaddr enable
 
        [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
        if_idx=$((${if_idx:-0} + 1))
@@ -433,7 +518,7 @@ mac80211_prepare_vif() {
        # It is far easier to delete and create the desired interface
        case "$mode" in
                adhoc)
-                       iw phy "$phy" interface add "$ifname" type adhoc
+                       mac80211_iw_interface_add "$phy" "$ifname" adhoc || return
                ;;
                ap)
                        # Hostapd will handle recreating the interface and
@@ -446,27 +531,28 @@ mac80211_prepare_vif() {
 
                        mac80211_hostapd_setup_bss "$phy" "$ifname" "$macaddr" "$type" || return
 
+                       NEWAPLIST="${NEWAPLIST}$ifname "
                        [ -n "$hostapd_ctrl" ] || {
-                               iw phy "$phy" interface add "$ifname" type managed
+                               ap_ifname="${ifname}"
                                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
+                       mac80211_iw_interface_add "$phy" "$ifname" mp || return
                ;;
                monitor)
-                       iw phy "$phy" interface add "$ifname" type monitor
+                       mac80211_iw_interface_add "$phy" "$ifname" monitor || return
                ;;
                sta)
                        local wdsflag=
-                       staidx="$(($staidx + 1))"
+                       [ "$enable" = 0 ] || staidx="$(($staidx + 1))"
                        [ "$wds" -gt 0 ] && wdsflag="4addr on"
-                       iw phy "$phy" interface add "$ifname" type managed $wdsflag
+                       mac80211_iw_interface_add "$phy" "$ifname" managed "$wdsflag" || return
+                       if [ "$wds" -gt 0 ]; then
+                               iw "$ifname" set 4addr on
+                       else
+                               iw "$ifname" set 4addr off
+                       fi
                        [ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
                        iw "$ifname" set power_save "$powersave"
                ;;
@@ -474,7 +560,7 @@ mac80211_prepare_vif() {
 
        case "$mode" in
                monitor|mesh)
-                       [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $htmode
+                       [ "$auto_channel" -gt 0 ] || iw dev "$ifname" set channel "$channel" $iw_htmode
                ;;
        esac
 
@@ -483,53 +569,119 @@ mac80211_prepare_vif() {
                # 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"
+               ip link set dev "$ifname" address "$macaddr"
        fi
 
        json_select ..
 }
 
 mac80211_setup_supplicant() {
+       local enable=$1
+       local add_sp=0
+       local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
+
        wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
-       wpa_supplicant_add_network "$ifname"
-       wpa_supplicant_run "$ifname" ${hostapd_ctrl:+-H $hostapd_ctrl}
+       wpa_supplicant_prepare_interface "$ifname" nl80211 || {
+               iw dev "$ifname" del
+               return 1
+       }
+       if [ "$mode" = "sta" ]; then
+               wpa_supplicant_add_network "$ifname"
+       else
+               wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
+       fi
+
+       NEWSPLIST="${NEWSPLIST}$ifname "
+
+       if [ "${NEWAPLIST%% *}" != "${OLDAPLIST%% *}" ]; then
+               [ "$spobj" ] && ubus call wpa_supplicant.${phy} config_del "{\"iface\":\"$ifname\"}"
+               add_sp=1
+       fi
+       [ "$enable" = 0 ] && {
+               ubus call wpa_supplicant.${phy} config_del "{\"iface\":\"$ifname\"}"
+               ip link set dev "$ifname" down
+               return 0
+       }
+       [ -z "$spobj" ] && add_sp=1
+
+       if [ "$add_sp" = "1" ]; then
+               wpa_supplicant_run "$ifname" "$hostapd_ctrl"
+       else
+               ubus call $spobj reload
+       fi
 }
 
-mac80211_setup_adhoc_htmode() {
+mac80211_setup_supplicant_noctl() {
+       local enable=$1
+       local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
+       wpa_supplicant_prepare_interface "$ifname" nl80211 || {
+               iw dev "$ifname" del
+               return 1
+       }
+
+       wpa_supplicant_add_network "$ifname" "$freq" "$htmode" "$noscan"
+
+       NEWSPLIST="${NEWSPLIST}$ifname "
+       [ "$enable" = 0 ] && {
+               ubus call wpa_supplicant.${phy} config_del "{\"iface\":\"$ifname\"}"
+               ip link set dev "$ifname" down
+               return 0
+       }
+       if [ -z "$spobj" ]; then
+               wpa_supplicant_run "$ifname"
+       else
+               ubus call $spobj reload
+       fi
+}
+
+mac80211_prepare_iw_htmode() {
        case "$htmode" in
-               VHT20|HT20) ibss_htmode=HT20;;
-               HT40*|VHT40|VHT80|VHT160)
+               VHT20|HT20) iw_htmode=HT20;;
+               HT40*|VHT40|VHT160)
                        case "$hwmode" in
                                a)
                                        case "$(( ($channel / 4) % 2 ))" in
-                                               1) ibss_htmode="HT40+" ;;
-                                               0) ibss_htmode="HT40-";;
+                                               1) iw_htmode="HT40+" ;;
+                                               0) iw_htmode="HT40-";;
                                        esac
                                ;;
                                *)
                                        case "$htmode" in
-                                               HT40+) ibss_htmode="HT40+";;
-                                               HT40-) ibss_htmode="HT40-";;
+                                               HT40+) iw_htmode="HT40+";;
+                                               HT40-) iw_htmode="HT40-";;
                                                *)
                                                        if [ "$channel" -lt 7 ]; then
-                                                               ibss_htmode="HT40+"
+                                                               iw_htmode="HT40+"
                                                        else
-                                                               ibss_htmode="HT40-"
+                                                               iw_htmode="HT40-"
                                                        fi
                                                ;;
                                        esac
                                ;;
                        esac
-                       [ "$auto_channel" -gt 0 ] && ibss_htmode="HT40+"
+                       [ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
+               ;;
+               VHT80)
+                       iw_htmode="80MHZ"
+               ;;
+               NONE|NOHT)
+                       iw_htmode="NOHT"
                ;;
-               *) ibss_htmode="" ;;
+               *) iw_htmode="" ;;
        esac
-
 }
 
 mac80211_setup_adhoc() {
+       local enable=$1
        json_get_vars bssid ssid key mcast_rate
 
+       NEWUMLIST="${NEWUMLIST}$ifname "
+
+       [ "$enable" = 0 ] && {
+               ip link set dev "$ifname" down
+               return 0
+       }
+
        keyspec=
        [ "$auth_type" = "wep" ] && {
                set_default key 1
@@ -560,16 +712,37 @@ mac80211_setup_adhoc() {
        mcval=
        [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 
-       iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
-               ${beacon_int:+beacon-interval $beacon_int} \
+       iw dev "$ifname" ibss join "$ssid" $freq $iw_htmode fixed-freq $bssid \
+               beacon-interval $beacon_int \
                ${brstr:+basic-rates $brstr} \
                ${mcval:+mcast-rate $mcval} \
                ${keyspec:+keys $keyspec}
 }
 
+mac80211_setup_mesh() {
+       local enable=$1
+       json_get_vars ssid mesh_id mcast_rate
+
+       NEWUMLIST="${NEWUMLIST}$ifname "
+
+       [ "$enable" = 0 ] && {
+               ip link set dev "$ifname" down
+               return 0
+       }
+
+       mcval=
+       [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
+       [ -n "$mesh_id" ] && ssid="$mesh_id"
+
+       iw dev "$ifname" mesh join "$ssid" freq $freq $iw_htmode \
+               ${mcval:+mcast-rate $mcval} \
+               beacon-interval $beacon_int
+}
+
 mac80211_setup_vif() {
        local name="$1"
        local failed
+       local action=up
 
        json_select data
        json_get_vars ifname
@@ -577,31 +750,29 @@ mac80211_setup_vif() {
 
        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 "${vif_txpower%%.*}00"
+       json_get_var vif_txpower
+       json_get_var vif_enable enable 1
+
+       [ "$vif_enable" = 1 ] || action=down
+       if [ "$mode" != "ap" ] || [ "$ifname" = "$ap_ifname" ]; then
+               logger ip link set dev "$ifname" $action
+               ip link set dev "$ifname" "$action" || {
+                       wireless_setup_vif_failed IFUP_ERROR
+                       json_select ..
+                       return
+               }
+               [ -z "$vif_txpower" ] || iw dev "$ifname" set txpower fixed "${vif_txpower%%.*}00"
+       fi
 
        case "$mode" in
                mesh)
-                       # authsae or wpa_supplicant
-                       json_get_vars key
-                       if [ -n "$key" ]; then
-                               if [ -e "/lib/wifi/authsae.sh" ]; then
-                                       . /lib/wifi/authsae.sh
-                                       authsae_start_interface || failed=1
-                               else
-                                       wireless_vif_parse_encryption
-                                       mac80211_setup_supplicant || failed=1
-                               fi
+                       wireless_vif_parse_encryption
+                       freq="$(get_freq "$phy" "$channel")"
+                       if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ] || chan_is_dfs "$phy" "$channel"; then
+                               mac80211_setup_supplicant $vif_enable || failed=1
+                       else
+                               mac80211_setup_mesh $vif_enable
                        fi
-
                        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"
@@ -609,15 +780,15 @@ mac80211_setup_vif() {
                ;;
                adhoc)
                        wireless_vif_parse_encryption
-                       mac80211_setup_adhoc_htmode
                        if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
-                               mac80211_setup_supplicant || failed=1
+                               freq="$(get_freq "$phy" "$channel")"
+                               mac80211_setup_supplicant_noctl $vif_enable || failed=1
                        else
-                               mac80211_setup_adhoc
+                               mac80211_setup_adhoc $vif_enable
                        fi
                ;;
                sta)
-                       mac80211_setup_supplicant || failed=1
+                       mac80211_setup_supplicant $vif_enable || failed=1
                ;;
        esac
 
@@ -631,15 +802,38 @@ get_freq() {
        iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
 }
 
-mac80211_interface_cleanup() {
+chan_is_dfs() {
        local phy="$1"
+       local chan="$2"
+       iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep -q "MHz.*radar detection"
+       return $!
+}
 
-       for wdev in $(list_phy_interfaces "$phy"); do
-               ifconfig "$wdev" down 2>/dev/null
+mac80211_vap_cleanup() {
+       local service="$1"
+       local vaps="$2"
+
+       for wdev in $vaps; do
+               [ "$service" != "none" ] && ubus call ${service}.${phy} config_remove "{\"iface\":\"$wdev\"}"
+               ip link set dev "$wdev" down 2>/dev/null
                iw dev "$wdev" del
        done
 }
 
+mac80211_interface_cleanup() {
+       local phy="$1"
+       local primary_ap=$(uci -q -P /var/state get wireless._${phy}.aplist)
+       primary_ap=${primary_ap%% *}
+
+       mac80211_vap_cleanup hostapd "${primary_ap}"
+       mac80211_vap_cleanup wpa_supplicant "$(uci -q -P /var/state get wireless._${phy}.splist)"
+       mac80211_vap_cleanup none "$(uci -q -P /var/state get wireless._${phy}.umlist)"
+}
+
+mac80211_set_noscan() {
+       hostapd_noscan=1
+}
+
 drv_mac80211_cleanup() {
        hostapd_common_cleanup
 }
@@ -651,7 +845,7 @@ drv_mac80211_setup() {
                country chanbw distance \
                txpower antenna_gain \
                rxantenna txantenna \
-               frag rts beacon_int htmode
+               frag rts beacon_int:100 htmode
        json_get_values basic_rate_list basic_rate
        json_select ..
 
@@ -661,8 +855,32 @@ drv_mac80211_setup() {
                return 1
        }
 
-       wireless_set_data phy="$phy"
-       mac80211_interface_cleanup "$phy"
+       [ -z "$(uci -q -P /var/state show wireless._${phy})" ] && {
+               uci -q -P /var/state set wireless._${phy}=phy
+               wireless_set_data phy="$phy"
+       }
+
+       OLDAPLIST=$(uci -q -P /var/state get wireless._${phy}.aplist)
+       OLDSPLIST=$(uci -q -P /var/state get wireless._${phy}.splist)
+       OLDUMLIST=$(uci -q -P /var/state get wireless._${phy}.umlist)
+
+       local wdev
+       local cwdev
+       local found
+
+       for wdev in $(list_phy_interfaces "$phy"); do
+               found=0
+               for cwdev in $OLDAPLIST $OLDSPLIST $OLDUMLIST; do
+                       if [ "$wdev" = "$cwdev" ]; then
+                               found=1
+                               break
+                       fi
+               done
+               if [ "$found" = "0" ]; then
+                       ip link set dev "$wdev" down
+                       iw dev "$wdev" del
+               fi
+       done
 
        # convert channel to frequency
        [ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
@@ -681,49 +899,106 @@ drv_mac80211_setup() {
        staidx=0
 
        [ -n "$chanbw" ] && {
-               for file in /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode; do
+               for file in /sys/kernel/debug/ieee80211/$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 rxantenna 0xffffffff
+       set_default txantenna 0xffffffff
        set_default distance 0
        set_default antenna_gain 0
 
+       [ "$txantenna" = "all" ] && txantenna=0xffffffff
+       [ "$rxantenna" = "all" ] && rxantenna=0xffffffff
+
        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"
 
+       if [ -n "$txpower" ]; then
+               iw phy "$phy" set txpower fixed "${txpower%%.*}00"
+       else
+               iw phy "$phy" set txpower auto
+       fi
+
        [ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
        [ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
 
        has_ap=
        hostapd_ctrl=
+       ap_ifname=
+       hostapd_noscan=
        for_each_interface "ap" mac80211_check_ap
 
        rm -f "$hostapd_conf_file"
+
+       for_each_interface "sta adhoc mesh" mac80211_set_noscan
        [ -n "$has_ap" ] && mac80211_hostapd_setup_base "$phy"
 
+       mac80211_prepare_iw_htmode
        for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
+       NEWAPLIST=
        for_each_interface "ap" mac80211_prepare_vif
-
+       NEW_MD5=$(test -e "${hostapd_conf_file}" && md5sum ${hostapd_conf_file})
+       OLD_MD5=$(uci -q -P /var/state get wireless._${phy}.md5)
+       if [ "${NEWAPLIST}" != "${OLDAPLIST}" ]; then
+               mac80211_vap_cleanup hostapd "${OLDAPLIST}"
+               [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap || return
+       fi
+       local add_ap=0
+       local primary_ap=${NEWAPLIST%% *}
        [ -n "$hostapd_ctrl" ] && {
-               /usr/sbin/hostapd -P /var/run/wifi-$phy.pid -B "$hostapd_conf_file"
+               local no_reload=1
+               if [ -n "$(ubus list | grep hostapd.$primary_ap)" ]; then
+                       [ "${NEW_MD5}" = "${OLD_MD5}" ] || {
+                               ubus call hostapd.$primary_ap reload
+                               no_reload=$?
+                               mac80211_vap_cleanup hostapd "${OLDAPLIST}"
+                               [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap || return
+                       }
+               fi
+               if [ "$no_reload" != "0" ]; then
+                       add_ap=1
+                       ubus wait_for hostapd.$phy
+                       ubus call hostapd.${phy} config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}"
+                       local hostapd_pid=$(ubus call service list '{"name": "hostapd"}' | jsonfilter -l 1 -e "@['hostapd'].instances['hostapd-${phy}'].pid")
+                       wireless_add_process "$hostapd_pid" "/usr/sbin/hostapd" 1
+               fi
                ret="$?"
-               wireless_add_process "$(cat /var/run/wifi-$phy.pid)" "/usr/sbin/hostapd" 1
                [ "$ret" != 0 ] && {
                        wireless_setup_failed HOSTAPD_START_FAILED
                        return
                }
        }
+       uci -q -P /var/state set wireless._${phy}.aplist="${NEWAPLIST}"
+       uci -q -P /var/state set wireless._${phy}.md5="${NEW_MD5}"
+
+       [ "${add_ap}" = 1 ] && sleep 1
+       for_each_interface "ap" mac80211_setup_vif
 
-       for_each_interface "ap sta adhoc mesh monitor" mac80211_setup_vif
+       NEWSPLIST=
+       NEWUMLIST=
 
+       for_each_interface "sta adhoc mesh monitor" mac80211_setup_vif
+
+       uci -q -P /var/state set wireless._${phy}.splist="${NEWSPLIST}"
+       uci -q -P /var/state set wireless._${phy}.umlist="${NEWUMLIST}"
+
+       local foundvap
+       local dropvap=""
+       for oldvap in $OLDSPLIST; do
+               foundvap=0
+               for newvap in $NEWSPLIST; do
+                       [ "$oldvap" = "$newvap" ] && foundvap=1
+               done
+               [ "$foundvap" = "0" ] && dropvap="$dropvap $oldvap"
+       done
+       [ -n "$dropvap" ] && mac80211_vap_cleanup wpa_supplicant "$dropvap"
        wireless_set_up
 }
 
-list_phy_interfaces() {
+_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;
@@ -732,6 +1007,15 @@ list_phy_interfaces() {
        fi
 }
 
+list_phy_interfaces() {
+       local phy="$1"
+
+       for dev in $(_list_phy_interfaces "$phy"); do
+               readlink "/sys/class/net/${dev}/phy80211" | grep -q "/${phy}\$" || continue
+               echo "$dev"
+       done
+}
+
 drv_mac80211_teardown() {
        wireless_process_kill_all
 
@@ -740,6 +1024,7 @@ drv_mac80211_teardown() {
        json_select ..
 
        mac80211_interface_cleanup "$phy"
+       uci -q -P /var/state revert wireless._${phy}
 }
 
 add_driver mac80211