hostapd: do not restart hostapd instance on wireless restarts
[openwrt/staging/rmilecki.git] / package / kernel / mac80211 / files / lib / netifd / wireless / mac80211.sh
index 1ebdceaab8a8cdc605a423ecedfdef3774c655b8..95b6c817ffc1e397a0992c4268b5a485f4638135 100644 (file)
@@ -28,11 +28,13 @@ drv_mac80211_init_device_config() {
        config_add_string path phy 'macaddr:macaddr'
        config_add_string hwmode
        config_add_string tx_burst
+       config_add_string distance
        config_add_int beacon_int chanbw frag rts
-       config_add_int rxantenna txantenna antenna_gain txpower distance
+       config_add_int rxantenna txantenna antenna_gain txpower
        config_add_boolean noscan ht_coex acs_exclude_dfs
        config_add_array ht_capab
        config_add_array channels
+       config_add_array scan_list
        config_add_boolean \
                rxldpc \
                short_gi_80 \
@@ -100,7 +102,6 @@ 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 ] &&
@@ -108,6 +109,10 @@ mac80211_hostapd_setup_base() {
 
        json_get_vars noscan ht_coex
        json_get_values ht_capab_list ht_capab tx_burst
+       json_get_values channel_list channels
+
+       [ "$auto_channel" = 0 ] && [ -z "$channel_list" ] && \
+               channel_list="$channel"
 
        set_default noscan 0
 
@@ -117,8 +122,8 @@ mac80211_hostapd_setup_base() {
        ieee80211n=1
        ht_capab=
        case "$htmode" in
-               VHT20|HT20) ;;
-               HT40*|VHT40|VHT80|VHT160)
+               VHT20|HT20|HE20) ;;
+               HT40*|VHT40|VHT80|VHT160|HE40|HE80|HE160)
                        case "$hwmode" in
                                a)
                                        case "$(( ($channel / 4) % 2 ))" in
@@ -188,19 +193,21 @@ mac80211_hostapd_setup_base() {
 
        # 802.11ac
        enable_ac=0
+       vht_oper_chwidth=0
+       vht_center_seg0=
+
        idx="$channel"
        case "$htmode" in
-               VHT20) enable_ac=1;;
-               VHT40)
+               VHT20|HE20) enable_ac=1;;
+               VHT40|HE40)
                        case "$(( ($channel / 4) % 2 ))" in
                                1) idx=$(($channel + 2));;
                                0) idx=$(($channel - 2));;
                        esac
                        enable_ac=1
-                       append base_cfg "vht_oper_chwidth=0" "$N"
-                       append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       vht_center_seg0=$idx
                ;;
-               VHT80)
+               VHT80|HE80)
                        case "$(( ($channel / 4) % 4 ))" in
                                1) idx=$(($channel + 6));;
                                2) idx=$(($channel + 2));;
@@ -208,19 +215,20 @@ mac80211_hostapd_setup_base() {
                                0) idx=$(($channel - 6));;
                        esac
                        enable_ac=1
-                       append base_cfg "vht_oper_chwidth=1" "$N"
-                       append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       vht_oper_chwidth=1
+                       vht_center_seg0=$idx
                ;;
-               VHT160)
+               VHT160|HE160)
                        case "$channel" in
                                36|40|44|48|52|56|60|64) idx=50;;
                                100|104|108|112|116|120|124|128) idx=114;;
                        esac
                        enable_ac=1
-                       append base_cfg "vht_oper_chwidth=2" "$N"
-                       append base_cfg "vht_oper_centr_freq_seg0_idx=$idx" "$N"
+                       vht_oper_chwidth=2
+                       vht_center_seg0=$idx
                ;;
        esac
+       [ "$hwmode" = "a" ] || enable_ac=0
 
        if [ "$enable_ac" != "0" ]; then
                json_get_vars \
@@ -249,6 +257,9 @@ mac80211_hostapd_setup_base() {
                        vht_cap="$(($vht_cap | $cap))"
                done
 
+               append base_cfg "vht_oper_chwidth=$vht_oper_chwidth" "$N"
+               append base_cfg "vht_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
+
                cap_rx_stbc=$((($vht_cap >> 8) & 7))
                [ "$rx_stbc" -lt "$cap_rx_stbc" ] && cap_rx_stbc="$rx_stbc"
                vht_cap="$(( ($vht_cap & ~(0x700)) | ($cap_rx_stbc << 8) ))"
@@ -319,6 +330,25 @@ mac80211_hostapd_setup_base() {
                [ -n "$vht_capab" ] && append base_cfg "vht_capab=$vht_capab" "$N"
        fi
 
+       # 802.11ax
+       enable_ax=0
+       case "$htmode" in
+               HE*) enable_ax=1 ;;
+       esac
+
+       if [ "$enable_ax" != "0" ]; then
+               append base_cfg "ieee80211ax=1" "$N"
+               [ "$hwmode" = "a" ] && {
+                       append base_cfg "he_oper_chwidth=$vht_oper_chwidth" "$N"
+                       append base_cfg "he_oper_centr_freq_seg0_idx=$vht_center_seg0" "$N"
+               }
+               append base_cfg "he_default_pe_duration=4" "$N"
+               append base_cfg "he_rts_threshold=1023" "$N"
+               append base_cfg "he_su_beamformer=1" "$N"
+               append base_cfg "he_su_beamformee=1" "$N"
+               append base_cfg "he_mu_beamformer=1023" "$N"
+       fi
+
        hostapd_prepare_device_config "$hostapd_conf_file" nl80211
        cat >> "$hostapd_conf_file" <<EOF
 ${channel:+channel=$channel}
@@ -342,7 +372,7 @@ mac80211_hostapd_setup_bss() {
        hostapd_cfg=
        append hostapd_cfg "$type=$ifname" "$N"
 
-       hostapd_set_bss_options hostapd_cfg "$vif" || return 1
+       hostapd_set_bss_options hostapd_cfg "$phy" "$vif" || return 1
        json_get_vars wds wds_bridge dtim_period max_listen_int start_disabled
 
        set_default wds 0
@@ -366,7 +396,7 @@ mac80211_get_addr() {
        local phy="$1"
        local idx="$(($2 + 1))"
 
-       head -n $(($macidx + 1)) /sys/class/ieee80211/${phy}/addresses | tail -n1
+       head -n $idx /sys/class/ieee80211/${phy}/addresses | tail -n1
 }
 
 mac80211_generate_mac() {
@@ -379,7 +409,7 @@ mac80211_generate_mac() {
        [ "$mask" = "00:00:00:00:00:00" ] && {
                mask="ff:ff:ff:ff:ff:ff";
 
-               [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt 1 ] && {
+               [ "$(wc -l < /sys/class/ieee80211/${phy}/addresses)" -gt $id ] && {
                        addr="$(mac80211_get_addr "$phy" "$id")"
                        [ -n "$addr" ] && {
                                echo "$addr"
@@ -399,7 +429,7 @@ mac80211_generate_mac() {
        [ "$((0x$mask1))" -gt 0 ] && {
                b1="0x$1"
                [ "$id" -gt 0 ] && \
-                       b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2) | 0x2)))
+                       b1=$(($b1 ^ ((($id - !($b1 & 2)) << 2)) | 0x2))
                printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
                return
        }
@@ -505,7 +535,7 @@ mac80211_iw_interface_add() {
 mac80211_prepare_vif() {
        json_select config
 
-       json_get_vars ifname mode ssid wds powersave macaddr enable
+       json_get_vars ifname mode ssid wds powersave macaddr enable wpa_psk_file vlan_file
 
        [ -n "$ifname" ] || ifname="wlan${phy#phy}${if_idx:+-$if_idx}"
        if_idx=$((${if_idx:-0} + 1))
@@ -523,6 +553,12 @@ mac80211_prepare_vif() {
        json_add_object data
        json_add_string ifname "$ifname"
        json_close_object
+
+       [ "$mode" == "ap" ] && {
+               [ -z "$wpa_psk_file" ] && hostapd_set_psk "$ifname"
+               [ -z "$vlan_file" ] && hostapd_set_vlan "$ifname"
+       }
+
        json_select config
 
        # It is far easier to delete and create the desired interface
@@ -590,7 +626,13 @@ mac80211_setup_supplicant() {
        local add_sp=0
        local spobj="$(ubus -S list | grep wpa_supplicant.${ifname})"
 
-       wpa_supplicant_prepare_interface "$ifname" nl80211 || return 1
+       [ "$enable" = 0 ] && {
+               ubus call wpa_supplicant.${phy} config_remove "{\"iface\":\"$ifname\"}"
+               ip link set dev "$ifname" down
+               iw dev "$ifname" del
+               return 0
+       }
+
        wpa_supplicant_prepare_interface "$ifname" nl80211 || {
                iw dev "$ifname" del
                return 1
@@ -607,18 +649,17 @@ mac80211_setup_supplicant() {
                [ "$spobj" ] && ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
                add_sp=1
        fi
-       [ "$enable" = 0 ] && {
-               ubus call wpa_supplicant config_remove "{\"iface\":\"$ifname\"}"
-               ip link set dev "$ifname" down
-               return 0
-       }
        [ -z "$spobj" ] && add_sp=1
 
+       NEW_MD5_SP=$(test -e "${_config}" && md5sum ${_config})
+       OLD_MD5_SP=$(uci -q -P /var/state get wireless._${phy}.md5_${ifname})
        if [ "$add_sp" = "1" ]; then
                wpa_supplicant_run "$ifname" "$hostapd_ctrl"
        else
-               ubus call $spobj reload
+               [ "${NEW_MD5_SP}" == "${OLD_MD5_SP}" ] || ubus call $spobj reload
        fi
+       uci -q -P /var/state set wireless._${phy}.md5_${ifname}="${NEW_MD5_SP}"
+       return 0
 }
 
 mac80211_setup_supplicant_noctl() {
@@ -765,7 +806,6 @@ mac80211_setup_vif() {
 
        [ "$vif_enable" = 1 ] || action=down
        if [ "$mode" != "ap" ] || [ "$ifname" = "$ap_ifname" ]; then
-               logger ip link set dev "$ifname" $action
                ip link set dev "$ifname" "$action" || {
                        wireless_setup_vif_failed IFUP_ERROR
                        json_select ..
@@ -777,6 +817,7 @@ mac80211_setup_vif() {
        case "$mode" in
                mesh)
                        wireless_vif_parse_encryption
+                       [ -z "$htmode" ] && htmode="NOHT";
                        freq="$(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
@@ -857,6 +898,7 @@ drv_mac80211_setup() {
                rxantenna txantenna \
                frag rts beacon_int:100 htmode
        json_get_values basic_rate_list basic_rate
+       json_get_values scan_list scan_list
        json_select ..
 
        find_phy || {
@@ -923,8 +965,8 @@ drv_mac80211_setup() {
        [ "$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 "$distance"
+       iw phy "$phy" set antenna_gain $antenna_gain >/dev/null 2>&1
+       iw phy "$phy" set distance "$distance" >/dev/null 2>&1
 
        if [ -n "$txpower" ]; then
                iw phy "$phy" set txpower fixed "${txpower%%.*}00"
@@ -954,8 +996,8 @@ drv_mac80211_setup() {
        OLD_MD5=$(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" "${NEWAPLIST%% *}" __ap || return
        fi
+       [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
        local add_ap=0
        local primary_ap=${NEWAPLIST%% *}
        [ -n "$hostapd_ctrl" ] && {
@@ -966,7 +1008,11 @@ drv_mac80211_setup() {
                                no_reload=$?
                                if [ "$no_reload" != "0" ]; then
                                        mac80211_vap_cleanup hostapd "${OLDAPLIST}"
-                                       [ -n "${NEWAPLIST}" ] && mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap || return
+                                       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)"
+                                       sleep 2
+                                       mac80211_iw_interface_add "$phy" "${NEWAPLIST%% *}" __ap
+                                       for_each_interface "sta adhoc mesh monitor" mac80211_prepare_vif
                                fi
                        }
                fi
@@ -974,8 +1020,8 @@ drv_mac80211_setup() {
                        add_ap=1
                        ubus wait_for hostapd
                        ubus call hostapd config_add "{\"iface\":\"$primary_ap\", \"config\":\"${hostapd_conf_file}\"}"
-                       local hostapd_pid=$(ubus call service list '{"name": "hostapd"}' | jsonfilter -l 1 -e "@['hostapd'].instances['hostapd'].pid")
-                       wireless_add_process "$hostapd_pid" "/usr/sbin/hostapd" 1
+                       local hostapd_pid=$(ubus call service list '{"name": "wpad"}' | jsonfilter -l 1 -e "@['wpad'].instances['hostapd'].pid")
+                       wireless_add_process "$hostapd_pid" "/usr/sbin/hostapd" 1 1
                fi
                ret="$?"
                [ "$ret" != 0 ] && {
@@ -1029,8 +1075,6 @@ list_phy_interfaces() {
 }
 
 drv_mac80211_teardown() {
-       wireless_process_kill_all
-
        json_select data
        json_get_vars phy
        json_select ..