X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9878ccc8d2b6a6755db4ececee68ae2ea1d21b68..8d8efd341271239bd80b438a15774ffbfbcf1a91:/package/mac80211/files/lib/wifi/mac80211.sh diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh index 703131cc4..dea57223b 100644 --- a/package/mac80211/files/lib/wifi/mac80211.sh +++ b/package/mac80211/files/lib/wifi/mac80211.sh @@ -7,7 +7,7 @@ find_mac80211_phy() { 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 + for phy in $(ls /sys/class/ieee80211 2>/dev/null); do [ "$macaddr" = "$(cat /sys/class/ieee80211/${phy}/macaddress)" ] || continue config_set "$device" phy "$phy" break @@ -58,7 +58,7 @@ disable_mac80211() ( done include /lib/network - for wdev in $(ls /sys/class/ieee80211/${phy}/device/net); do + for wdev in $(ls /sys/class/ieee80211/${phy}/device/net 2>/dev/null); do ifconfig "$wdev" down 2>/dev/null unbridge "$dev" iw dev "$wdev" del @@ -66,15 +66,34 @@ disable_mac80211() ( 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}' +} 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 find_mac80211_phy "$device" || return 0 config_get phy "$device" phy local i=0 + local macidx=0 + fixed="" + + [ -n "$country" ] && iw reg set "$country" + [ "$channel" = "auto" -o "$channel" = "0" ] || { + fixed=1 + } + + [ -n "$distance" ] && iw phy "$phy" set distance "$distance" + + export channel fixed + # convert channel to frequency + local freq="$(get_freq "$phy" "${fixed:+$channel}")" wifi_fixup_hwmode "$device" "g" for vif in $vifs; do @@ -86,11 +105,12 @@ enable_mac80211() { [ -n "$ifname" ] || { ifname="wlan$i" } - config_set ifname "$vif" ifname + config_set "$vif" ifname "$ifname" config_get enc "$vif" encryption config_get mode "$vif" mode config_get ssid "$vif" ssid + config_get_bool wds "$vif" wds 0 # It is far easier to delete and create the desired interface case "$mode" in @@ -110,12 +130,17 @@ enable_mac80211() { iw phy "$phy" interface add "$ifname" type monitor ;; sta) - iw phy "$phy" interface add "$ifname" type managed + local wdsflag + [ "$wds" -gt 0 ] && wdsflag="4addr on" + iw phy "$phy" interface add "$ifname" type managed $wdsflag + config_get_bool powersave "$vif" powersave 0 + [ "$powersave" -gt 0 ] && powersave="on" || powersave="off" + iwconfig "$ifname" power "$powersave" ;; esac # All interfaces must have unique mac addresses - # which can either be explicitly set in the device + # which can either be explicitly set in the device # section, or automatically generated config_get macaddr "$device" macaddr local mac_1="${macaddr%%:*}" @@ -123,18 +148,19 @@ enable_mac80211() { config_get vif_mac "$vif" macaddr [ -n "$vif_mac" ] || { - if [ "$i" -gt 0 ]; then - offset="$(( 2 + $i * 4 ))" + if [ "$macidx" -gt 0 ]; then + offset="$(( 2 + $macidx * 4 ))" else offset="0" fi - vif_mac="$( printf %02x $(($mac_1 + $offset)) ):$mac_2" + vif_mac="$( printf %02x $((0x$mac_1 + $offset)) ):$mac_2" + macidx="$(($macidx + 1))" } 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" + [ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel" local key keystring @@ -149,26 +175,36 @@ enable_mac80211() { # none -> NO encryption # # wep + keymgmt = '' -> we use iw to connect to the - # network. + # network. # # wep + keymgmt = 'NONE' -> wpa_supplicant will be # configured to handle the wep connection if [ ! "$mode" = "ap" ]; then case "$enc" in - wep) + *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}:${key} " - fi - done + if [ -z "$keymgmt" ]; then + config_get key "$vif" key + key="${key:-1}" + case "$key" in + [1234]) + for idx in 1 2 3 4; do + local zidx + zidx=$(($idx - 1)) + config_get ckey "$vif" "key${idx}" + if [ -n "$ckey" ]; then + [ $idx -eq $key ] && zidx="d:${zidx}" + append keystring "${zidx}:$(prepare_key_wep "$ckey")" + fi + done + ;; + *) + keystring="d:0:$(prepare_key_wep "$key")" + ;; + esac fi ;; - wpa) + *psk*|*wpa*) config_get key "$vif" key ;; esac @@ -188,7 +224,7 @@ enable_mac80211() { config_get rts "$vif" rts if [ -n "$rts" ]; then - iw phy "$phy" set rts "${frag%%.*}" + iw phy "$phy" set rts "${rts%%.*}" fi ifconfig "$ifname" up @@ -213,14 +249,17 @@ enable_mac80211() { } fi ;; - sta|mesh|adhoc) - # Fixup... sometimes you have to scan to get beaconing going - iw dev "$ifname" scan &> /dev/null - case "$enc" in - wep) - if [ -e "$keymgmt" ]; then + adhoc) + config_get bssid "$vif" bssid + iw dev "$ifname" ibss join "$ssid" $freq ${fixed:+fixed-freq} $bssid + ;; + sta|mesh) + config_get bssid "$vif" bssid + case "$enc" in + *wep*) + if [ -z "$keymgmt" ]; then [ -n "$keystring" ] && - iw dev "$ifname" connect "$ssid" key "$keystring" + iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid key $keystring else if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then wpa_supplicant_setup_vif "$vif" wext || { @@ -232,7 +271,8 @@ enable_mac80211() { fi fi ;; - wpa) + *wpa*|*psk*) + config_get key "$vif" key if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then wpa_supplicant_setup_vif "$vif" wext || { echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2 @@ -242,6 +282,9 @@ enable_mac80211() { } fi ;; + *) + iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid + ;; esac ;; @@ -253,7 +296,7 @@ enable_mac80211() { check_device() { config_get phy "$1" phy [ -z "$phy" ] && { - find_mac80211_phy "$1" || return 0 + find_mac80211_phy "$1" >/dev/null || return 0 config_get phy "$1" phy } [ "$phy" = "$dev" ] && found=1 @@ -262,33 +305,54 @@ check_device() { detect_mac80211() { devidx=0 config_load wireless + while :; do + config_get type "radio$devidx" type + [ -n "$type" ] || break + devidx=$(($devidx + 1)) + done 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)) + mode_11n="" + mode_band="g" + channel="5" + ht_cap=0 + for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do + ht_cap="$(($ht_cap | $cap))" done + ht_capab=""; + [ "$ht_cap" -gt 0 ] && { + mode_11n="n" + list=" list ht_capab" + [ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N" + [ "$(($ht_cap & 2))" -eq 2 ] && append ht_capab "$list HT40-" "$N" + [ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N" + [ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N" + [ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N" + } + iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; } cat <