mac80211: don't call md5sum on non-existing file
[openwrt/staging/wigyori.git] / package / kernel / mac80211 / files / lib / netifd / wireless / mac80211.sh
index 5b174cded6403046c8b2848e75b03488cfdbf75f..18033e9d567a4c036fabc3b5762ee12dffa63edb 100644 (file)
@@ -15,14 +15,12 @@ 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"
 
-iw() {
-       command iw $@ || logger -t mac80211 "Failed command: iw $@"
-}
-
 NEWAPLIST=
 OLDAPLIST=
 NEWSPLIST=
 OLDSPLIST=
+NEWUMLIST=
+OLDUMLIST=
 
 drv_mac80211_init_device_config() {
        hostapd_common_add_device_config
@@ -110,7 +108,9 @@ mac80211_hostapd_setup_base() {
        json_get_vars noscan ht_coex
        json_get_values ht_capab_list ht_capab tx_burst
 
-       [ -n "$noscan" -a "$noscan" -gt 0 ] && hostapd_noscan=1
+       set_default noscan 0
+
+       [ "$noscan" -gt 0 ] && hostapd_noscan=1
        [ "$tx_burst" = 0 ] && tx_burst=
 
        ieee80211n=1
@@ -446,6 +446,36 @@ mac80211_iw_interface_add() {
                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" $wdsflag
+               rc="$?"
+       }
+
        [ "$rc" = 233 ] && {
                # Device might not support virtual interfaces, so the interface never got deleted in the first place.
                # Check if the interface already exists, and avoid failing in this case.
@@ -511,6 +541,11 @@ mac80211_prepare_vif() {
                        [ "$enable" = 0 ] || staidx="$(($staidx + 1))"
                        [ "$wds" -gt 0 ] && wdsflag="4addr on"
                        mac80211_iw_interface_add "$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"
                ;;
@@ -518,7 +553,7 @@ 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
 
@@ -592,40 +627,40 @@ mac80211_setup_supplicant_noctl() {
        fi
 }
 
-mac80211_setup_adhoc_htmode() {
+mac80211_prepare_iw_htmode() {
        case "$htmode" in
-               VHT20|HT20) ibss_htmode=HT20;;
+               VHT20|HT20) iw_htmode=HT20;;
                HT40*|VHT40|VHT160)
                        case "$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)
-                       ibss_htmode="80MHZ"
+                       iw_htmode="80MHZ"
                ;;
                NONE|NOHT)
-                       ibss_htmode="NOHT"
+                       iw_htmode="NOHT"
                ;;
-               *) ibss_htmode="" ;;
+               *) iw_htmode="" ;;
        esac
 }
 
@@ -633,6 +668,8 @@ 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
@@ -668,7 +705,7 @@ 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 $bssid \
+       iw dev "$ifname" ibss join "$ssid" $freq $iw_htmode fixed-freq $bssid \
                beacon-interval $beacon_int \
                ${brstr:+basic-rates $brstr} \
                ${mcval:+mcast-rate $mcval} \
@@ -679,6 +716,8 @@ 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
@@ -688,40 +727,7 @@ mac80211_setup_mesh() {
        [ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
        [ -n "$mesh_id" ] && ssid="$mesh_id"
 
-       case "$htmode" in
-               VHT20|HT20) mesh_htmode=HT20;;
-               HT40*|VHT40)
-                       case "$hwmode" in
-                               a)
-                                       case "$(( ($channel / 4) % 2 ))" in
-                                               1) mesh_htmode="HT40+" ;;
-                                               0) mesh_htmode="HT40-";;
-                                       esac
-                               ;;
-                               *)
-                                       case "$htmode" in
-                                               HT40+) mesh_htmode="HT40+";;
-                                               HT40-) mesh_htmode="HT40-";;
-                                               *)
-                                                       if [ "$channel" -lt 7 ]; then
-                                                               mesh_htmode="HT40+"
-                                                       else
-                                                               mesh_htmode="HT40-"
-                                                       fi
-                                               ;;
-                                       esac
-                               ;;
-                       esac
-               ;;
-               VHT80)
-                       mesh_htmode="80Mhz"
-               ;;
-               VHT160)
-                       mesh_htmode="160Mhz"
-               ;;
-               *) mesh_htmode="NOHT" ;;
-       esac
-       iw dev "$ifname" mesh join "$ssid" freq $freq $mesh_htmode \
+       iw dev "$ifname" mesh join "$ssid" freq $freq $iw_htmode \
                ${mcval:+mcast-rate $mcval} \
                beacon-interval $beacon_int
 }
@@ -766,7 +772,6 @@ mac80211_setup_vif() {
                ;;
                adhoc)
                        wireless_vif_parse_encryption
-                       mac80211_setup_adhoc_htmode
                        if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
                                freq="$(get_freq "$phy" "$channel")"
                                mac80211_setup_supplicant_noctl $vif_enable || failed=1
@@ -801,7 +806,7 @@ mac80211_vap_cleanup() {
        local vaps="$2"
 
        for wdev in $vaps; do
-               ubus call ${service}.${phy} config_remove "{\"iface\":\"$wdev\"}"
+               [ "$service" != "none" ] && ubus call ${service}.${phy} config_remove "{\"iface\":\"$wdev\"}"
                ip link set dev "$wdev" down 2>/dev/null
                iw dev "$wdev" del
        done
@@ -814,6 +819,7 @@ mac80211_interface_cleanup() {
 
        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() {
@@ -846,6 +852,28 @@ drv_mac80211_setup() {
                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")"
 
@@ -893,11 +921,11 @@ drv_mac80211_setup() {
        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
-       OLDAPLIST=$(uci -q -P /var/state get wireless._${phy}.aplist)
-       NEW_MD5=$(md5sum ${hostapd_conf_file})
+       NEW_MD5=$(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}"
@@ -912,7 +940,10 @@ drv_mac80211_setup() {
                        }
                else
                        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 "$hostapd_pid" "/usr/sbin/hostapd" 1
                fi
                ret="$?"
                [ "$ret" != 0 ] && {
@@ -927,10 +958,12 @@ drv_mac80211_setup() {
        for_each_interface "ap" mac80211_setup_vif
 
        NEWSPLIST=
-       OLDSPLIST=$(uci -q -P /var/state get wireless._${phy}.splist)
+       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=""
@@ -945,6 +978,15 @@ drv_mac80211_setup() {
        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