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mac80211: make use of the new 'band' option

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Use it to look up frequencies only in the configured band to better deal
with channel number overlap

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2021-05-24 14:55:01 +02:00
parent db072fdc9e
commit 8b8c1cb09b
1 changed files with 31 additions and 14 deletions
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45
package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh
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@@ -26,7 +26,6 @@ drv_mac80211_init_device_config() {
hostapd_common_add_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
@@ -689,14 +688,8 @@ mac80211_prepare_iw_htmode() {
case "$htmode" in
VHT20|HT20) iw_htmode=HT20;;
HT40*|VHT40|VHT160)
case "$hwmode" in
a)
case "$(( ($channel / 4) % 2 ))" in
1) iw_htmode="HT40+" ;;
0) iw_htmode="HT40-";;
esac
;;
*)
case "$band" in
2g)
case "$htmode" in
HT40+) iw_htmode="HT40+";;
HT40-) iw_htmode="HT40-";;
@@ -709,6 +702,12 @@ mac80211_prepare_iw_htmode() {
;;
esac
;;
*)
case "$(( ($channel / 4) % 2 ))" in
1) iw_htmode="HT40+" ;;
0) iw_htmode="HT40-";;
esac
;;
esac
[ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
;;
@@ -818,7 +817,6 @@ mac80211_setup_vif() {
mesh)
wireless_vif_parse_encryption
[ -z "$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 $vif_enable || failed=1
else
@@ -832,7 +830,6 @@ mac80211_setup_vif() {
adhoc)
wireless_vif_parse_encryption
if [ "$wpa" -gt 0 -o "$auto_channel" -gt 0 ]; then
freq="$(get_freq "$phy" "$channel")"
mac80211_setup_supplicant_noctl $vif_enable || failed=1
else
mac80211_setup_adhoc $vif_enable
@@ -849,10 +846,30 @@ mac80211_setup_vif() {
get_freq() {
local phy="$1"
local chan="$2"
iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
local channel="$2"
local band="$3"
case "$band" in
2g) band="1:";;
5g) band="2:";;
60g) band="3:";;
6g) band="4:";;
esac
iw "$phy" info | awk -v band="$band" -v channel="[$channel]" '
$1 ~ /Band/ {
band_match = band == $2
}
band_match && $3 == "MHz" && $4 == channel {
print $2
exit
}
'
}
chan_is_dfs() {
local phy="$1"
local chan="$2"
@@ -935,7 +952,7 @@ drv_mac80211_setup() {
done
# convert channel to frequency
[ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel")"
[ "$auto_channel" -gt 0 ] || freq="$(get_freq "$phy" "$channel" "$band")"
[ -n "$country" ] && {
iw reg get | grep -q "^country $country:" || {