diff options
Diffstat (limited to 'package/mac80211/files/lib/wifi')
| -rw-r--r-- | package/mac80211/files/lib/wifi/mac80211.sh | 284 |
1 files changed, 185 insertions, 99 deletions
diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh index 5d4fcee27..703131cc4 100644 --- a/package/mac80211/files/lib/wifi/mac80211.sh +++ b/package/mac80211/files/lib/wifi/mac80211.sh @@ -1,16 +1,35 @@ #!/bin/sh append DRIVERS "mac80211" +find_mac80211_phy() { + config_get device "$1" + + local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')" + config_get phy "$device" phy + [ -z "$phy" -a -n "$macaddr" ] && { + for phy in $(ls /sys/class/ieee80211); do + [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue + config_set "$device" phy "$phy" + break + done + config_get phy "$device" phy + } + [ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || { + echo "PHY for wifi device $1 not found" + return 1 + } + [ -z "$macaddr" ] && { + config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)" + } + return 0 +} + scan_mac80211() { local device="$1" local adhoc sta ap monitor mesh config_get vifs "$device" vifs for vif in $vifs; do - - config_get ifname "$vif" ifname - config_set "$vif" ifname "${ifname:-$device}" - config_get mode "$vif" mode case "$mode" in adhoc|sta|ap|monitor|mesh) @@ -27,6 +46,9 @@ scan_mac80211() { 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 @@ -36,13 +58,12 @@ disable_mac80211() ( done include /lib/network - cd /proc/sys/net - for dev in *; do - grep "$device" "$dev/%parent" >/dev/null 2>/dev/null && { - ifconfig "$dev" down - unbridge "$dev" - } + for wdev in $(ls /sys/class/ieee80211/${phy}/device/net); do + ifconfig "$wdev" down 2>/dev/null + unbridge "$dev" + iw dev "$wdev" del done + return 0 ) @@ -51,77 +72,109 @@ enable_mac80211() { config_get channel "$device" channel config_get vifs "$device" vifs config_get txpower "$device" txpower + find_mac80211_phy "$device" || return 0 + config_get phy "$device" phy + local i=0 - local first=1 - local mesh_idx=0 wifi_fixup_hwmode "$device" "g" for vif in $vifs; do - ifconfig "$ifname" down 2>/dev/null - config_get ifname "$vif" ifname - config_get enc "$vif" encryption - config_get eap_type "$vif" eap_type - config_get mode "$vif" mode + while [ -d "/sys/class/net/wlan$i" ]; do + i=$(($i + 1)) + done config_get ifname "$vif" ifname - [ $? -ne 0 ] && { - echo "enable_mac80211($device): Failed to set up $mode vif $ifname" >&2 - continue + [ -n "$ifname" ] || { + ifname="wlan$i" } - config_set "$vif" ifname "$ifname" - - [ "$first" = 1 ] && { - # only need to change freq band and channel on the first vif - iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null - if [ "$mode" = adhoc ]; then - iwlist "$ifname" scan >/dev/null 2>/dev/null - sleep 1 - iwconfig "$ifname" mode ad-hoc >/dev/null 2>/dev/null - fi - # mesh interface should be created only for the first interface - if [ "$mode" = mesh ]; then - config_get mesh_id "$vif" mesh_id - if [ -n "$mesh_id" ]; then - iw dev "$ifname" interface add msh$mesh_idx type mp mesh_id $mesh_id - fi - fi - sleep 1 - iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null - } - if [ "$mode" = sta ]; then - iwconfig "$ifname" mode managed >/dev/null 2>/dev/null - else - iwconfig "$ifname" mode $mode >/dev/null 2>/dev/null - fi + config_set ifname "$vif" ifname - wpa= - case "$enc" in - WEP|wep) - for idx in 1 2 3 4; do - config_get key "$vif" "key${idx}" - iwconfig "$ifname" enc "[$idx]" "${key:-off}" - done - config_get key "$vif" key - key="${key:-1}" - case "$key" in - [1234]) iwconfig "$ifname" enc "[$key]";; - *) iwconfig "$ifname" enc "$key";; - esac - ;; - PSK|psk|PSK2|psk2) - config_get key "$vif" key - ;; - esac + config_get enc "$vif" encryption + config_get mode "$vif" mode + config_get ssid "$vif" ssid + # It is far easier to delete and create the desired interface case "$mode" in adhoc) - config_get addr "$vif" bssid - [ -z "$addr" ] || { - iwconfig "$ifname" ap "$addr" - } + iw phy "$phy" interface add "$ifname" type adhoc + ;; + ap) + # Hostapd will handle recreating the interface and + # it's accompanying monitor + iw phy "$phy" interface add "$ifname" type managed + ;; + mesh) + config_get mesh_id "$vif" mesh_id + iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id" + ;; + monitor) + iw phy "$phy" interface add "$ifname" type monitor + ;; + sta) + iw phy "$phy" interface add "$ifname" type managed ;; esac - config_get ssid "$vif" ssid + # All interfaces must have unique mac addresses + # which can either be explicitly set in the device + # section, or automatically generated + config_get macaddr "$device" macaddr + local mac_1="${macaddr%%:*}" + local mac_2="${macaddr#*:}" + + config_get vif_mac "$vif" macaddr + [ -n "$vif_mac" ] || { + if [ "$i" -gt 0 ]; then + offset="$(( 2 + $i * 4 ))" + else + offset="0" + fi + vif_mac="$( printf %02x $(($mac_1 + $offset)) ):$mac_2" + } + ifconfig "$ifname" hw ether "$vif_mac" + + # We attempt to set teh channel for all interfaces, although + # mac80211 may not support it or the driver might not yet + iw dev "$ifname" set channel "$channel" + + local key keystring + + # Valid values are: + # wpa / wep / none + # + # !! ap !! + # + # ALL ap functionality will be passed to hostapd + # + # !! mesh / adhoc / station !! + # none -> NO encryption + # + # wep + keymgmt = '' -> we use iw to connect to the + # network. + # + # wep + keymgmt = 'NONE' -> wpa_supplicant will be + # configured to handle the wep connection + if [ ! "$mode" = "ap" ]; then + case "$enc" in + wep) + config_get keymgmt "$vif" keymgmt + if [ -e "$keymgmt" ]; then + for idx in 1 2 3 4; do + local zidx + zidx = idx - 1 + config_get key "$vif" "key${idx}" + if [ -n "$key" ]; then + append keystring "${zidx}:${key} " + fi + done + fi + ;; + wpa) + config_get key "$vif" key + ;; + esac + fi + + # txpower is not yet implemented in iw config_get vif_txpower "$vif" txpower # use vif_txpower (from wifi-iface) to override txpower (from # wifi-device) if the latter doesn't exist @@ -130,16 +183,15 @@ enable_mac80211() { config_get frag "$vif" frag if [ -n "$frag" ]; then - iwconfig "$ifname" frag "${frag%%.*}" + iw phy "$phy" set frag "${frag%%.*}" fi config_get rts "$vif" rts if [ -n "$rts" ]; then - iwconfig "$ifname" rts "${rts%%.*}" + iw phy "$phy" set rts "${frag%%.*}" fi ifconfig "$ifname" up - iwconfig "$ifname" channel "$channel" >/dev/null 2>/dev/null local net_cfg bridge net_cfg="$(find_net_config "$vif")" @@ -148,7 +200,7 @@ enable_mac80211() { config_set "$vif" bridge "$bridge" start_net "$ifname" "$net_cfg" } - iwconfig "$ifname" essid "$ssid" + set_wifi_up "$vif" "$ifname" case "$mode" in ap) @@ -161,48 +213,82 @@ enable_mac80211() { } fi ;; - sta) - if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then - wpa_supplicant_setup_vif "$vif" wext || { - 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 - ;; - mesh) - # special case where physical interface should be down for mesh to work - ifconfig "$ifname" down - ifconfig "msh$mesh_idx" up - iwlist msh$mesh_idx scan 2>/dev/null >/dev/null + sta|mesh|adhoc) + # Fixup... sometimes you have to scan to get beaconing going + iw dev "$ifname" scan &> /dev/null + case "$enc" in + wep) + if [ -e "$keymgmt" ]; then + [ -n "$keystring" ] && + iw dev "$ifname" connect "$ssid" key "$keystring" + else + if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then + wpa_supplicant_setup_vif "$vif" wext || { + echo "enable_mac80211($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 + fi + ;; + wpa) + if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then + wpa_supplicant_setup_vif "$vif" wext || { + echo "enable_mac80211($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 + ;; esac - first=0 - mesh_idx=$(expr $mesh_idx + 1) done } +check_device() { + config_get phy "$1" phy + [ -z "$phy" ] && { + find_mac80211_phy "$1" || return 0 + config_get phy "$1" phy + } + [ "$phy" = "$dev" ] && found=1 +} + detect_mac80211() { - cd /sys/class/net - for dev in $(ls -d wlan* 2>&-); do - config_get type "$dev" type - [ "$type" = mac80211 ] && return + devidx=0 + config_load wireless + for dev in $(ls /sys/class/ieee80211); do + found=0 + config_foreach check_device wifi-device + [ "$found" -gt 0 ] && continue + + while :; do + config_get type "wifi$devidx" type + [ -n "$type" ] || break + devidx=$(($devidx + 1)) + done + cat <<EOF -config wifi-device $dev +config wifi-device wifi$devidx option type mac80211 option channel 5 - + option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress) # REMOVE THIS LINE TO ENABLE WIFI: option disabled 1 config wifi-iface - option device $dev - option network lan - option mode ap - option ssid OpenWrt + option device wifi$devidx + option network lan + option mode ap + option ssid OpenWrt option encryption none + EOF done } + |