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wifi-scripts: mac80211.sh: add EHT and HE160 support to iw_htmode

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For WIFI7 devices (such as mt7925e), the dev width is currently
always "20 MHz (no HT)" in monitor mode.

Add EHT and HE160 support to iw_htmode to fix this issue.
Additionally, the following changes are made:
1. Set iw_htmode to 160MHz for VHT160. The reason for the current
   VHT160 setting is unclear and seems to have been in place for
   over a decade (ibss_htmode [1]). If anyone knows its impact,
   please inform me so I can restore it.
2. Modify MHZ to MHz. The original matching table in the current
   iw tool uses MHz. Although the match is case-insensitive,
   correcting this won't hurt.

[1]: 768d09be87

Signed-off-by: Ming Kuang <ming@imkuang.com>
Link: https://github.com/openwrt/openwrt/pull/18319
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Ming Kuang 2025-03-21 23:21:05 +08:00 committed by Hauke Mehrtens
parent f76185c3f3
commit 86eb1c0b5a
1 changed files with 9 additions and 4 deletions
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13
package/network/config/wifi-scripts/files/lib/netifd/wireless/mac80211.sh
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@ -740,8 +740,10 @@ mac80211_prepare_vif() {
mac80211_prepare_iw_htmode() {
case "$htmode" in
VHT20|HT20|HE20) iw_htmode=HT20;;
HT40*|VHT40|VHT160|HE40)
HT20|VHT20|HE20|EHT20)
iw_htmode=HT20
;;
HT40*|VHT40|HE40|EHT40)
case "$band" in
2g)
case "$htmode" in
@ -765,8 +767,11 @@ mac80211_prepare_iw_htmode() {
esac
[ "$auto_channel" -gt 0 ] && iw_htmode="HT40+"
;;
VHT80|HE80)
iw_htmode="80MHZ"
VHT80|HE80|EHT80)
iw_htmode="80MHz"
;;
VHT160|HE160|EHT160)
iw_htmode="160MHz"
;;
NONE|NOHT)
iw_htmode="NOHT"