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135 lines
3.3 KiB
Bash
135 lines
3.3 KiB
Bash
#!/bin/sh
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append DRIVERS "mac80211"
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lookup_phy() {
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[ -n "$phy" ] && {
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[ -d /sys/class/ieee80211/$phy ] && return
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}
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local devpath
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config_get devpath "$device" path
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[ -n "$devpath" -a -d "/sys/devices/$devpath/ieee80211" ] && {
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phy="$(ls /sys/devices/$devpath/ieee80211 | grep -m 1 phy)"
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[ -n "$phy" ] && return
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}
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local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
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[ -n "$macaddr" ] && {
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for _phy in $(ls /sys/class/ieee80211 2>/dev/null); do
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[ "$macaddr" = "$(cat /sys/class/ieee80211/${_phy}/macaddress)" ] || continue
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phy="$_phy"
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return
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done
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}
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phy=
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return
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}
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find_mac80211_phy() {
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local device="$1"
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config_get phy "$device" phy
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lookup_phy
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[ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
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echo "PHY for wifi device $1 not found"
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return 1
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}
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config_set "$device" phy "$phy"
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config_get macaddr "$device" macaddr
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[ -z "$macaddr" ] && {
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config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
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}
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return 0
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}
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check_mac80211_device() {
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config_get phy "$1" phy
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[ -z "$phy" ] && {
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find_mac80211_phy "$1" >/dev/null || return 0
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config_get phy "$1" phy
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}
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[ "$phy" = "$dev" ] && found=1
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}
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detect_mac80211() {
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devidx=0
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config_load wireless
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while :; do
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config_get type "radio$devidx" type
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[ -n "$type" ] || break
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devidx=$(($devidx + 1))
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done
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for dev in $(ls /sys/class/ieee80211); do
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found=0
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config_foreach check_mac80211_device wifi-device
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[ "$found" -gt 0 ] && continue
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mode_11n=""
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mode_band="g"
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channel="11"
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htmode=""
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ht_cap=0
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for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
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ht_cap="$(($ht_cap | $cap))"
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done
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ht_capab="";
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[ "$ht_cap" -gt 0 ] && {
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mode_11n="n"
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htmode="HT20"
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list=" list ht_capab"
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[ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
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[ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list GF" "$N"
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[ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
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[ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
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[ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N"
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[ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N"
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[ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N"
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[ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N"
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[ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
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}
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iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
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vht_cap=$(iw phy "$dev" info | grep -c 'VHT Capabilities')
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[ "$vht_cap" -gt 0 ] && {
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mode_band="a";
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channel="36"
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htmode="VHT80"
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}
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[ -n $htmode ] && append ht_capab " option htmode $htmode" "$N"
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if [ -x /usr/bin/readlink ]; then
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path="$(readlink -f /sys/class/ieee80211/${dev}/device)"
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path="${path##/sys/devices/}"
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dev_id=" option path '$path'"
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else
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dev_id=" option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)"
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fi
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cat <<EOF
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config wifi-device radio$devidx
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option type mac80211
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option channel ${channel}
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option hwmode 11${mode_11n}${mode_band}
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$dev_id
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$ht_capab
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# REMOVE THIS LINE TO ENABLE WIFI:
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option disabled 1
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config wifi-iface
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option device radio$devidx
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option network lan
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option mode ap
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option ssid OpenWrt
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option encryption none
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EOF
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devidx=$(($devidx + 1))
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done
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}
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