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

[Ming Kuang]

Resent it to add Signed-off-by, sorry for the confusion

On Fri, 2025-03-21 at 23:32 +0800, Ming Kuang wrote:
> 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]:
> https://github.com/openwrt/openwrt/commit/768d09be8781228d3553142c0f1e1231c6aacc7c
> ---
>  .../files/lib/netifd/wireless/mac80211.sh           | 13 +++++++++---
> -
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/package/network/config/wifi-
> scripts/files/lib/netifd/wireless/mac80211.sh
> b/package/network/config/wifi-
> scripts/files/lib/netifd/wireless/mac80211.sh
> index b4aa19bf52..059fd9b8c8 100755
> --- a/package/network/config/wifi-
> scripts/files/lib/netifd/wireless/mac80211.sh
> +++ b/package/network/config/wifi-
> scripts/files/lib/netifd/wireless/mac80211.sh
> @@ -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"