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mac80211: select the first available channel for 5GHz interfaces

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Some 5GHz wifi interfaces, especially in Tri-band routers, can't use
channel 36. In these cases, the default configuration for 5GHz
interfaces, once enabled, doesn't work.

This patch selects the first non-disabled channel for 5GHz interfaces.

Signed-off-by: Davide Fioravanti <pantanastyle@gmail.com>
This commit is contained in:
Davide Fioravanti 2020-09-17 15:40:27 +02:00 committed by David Bauer
parent 7190fb2da4
commit cd36c0d2f0
1 changed files with 2 additions and 2 deletions
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4
package/kernel/mac80211/files/lib/wifi/mac80211.sh
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@ -82,9 +82,9 @@ detect_mac80211() {
iw phy "$dev" info | grep -q 'Capabilities:' && htmode=HT20
iw phy "$dev" info | grep -q '5180 MHz' && {
iw phy "$dev" info | grep -q '\* 5... MHz \[' && {
mode_band="a"
channel="36"
channel=$(iw phy "$dev" info | grep '\* 5... MHz \[' | grep '(disabled)' -v -m 1 | sed 's/[^[]*\[\|\].*//g')
iw phy "$dev" info | grep -q 'VHT Capabilities' && htmode="VHT80"
}