Re: [PATCH] net: ethernet: mtk_wed: increase WED v2 WDMA RESV_BUFF to 0x80

From: Jakub Kicinski

Date: Fri Aug 21 2026 - 20:41:37 EST


On Wed, 19 Aug 2026 21:07:07 +0800 Shiji Yang wrote:
> Change WDMA RESV_BUFF from 0x40 to 0x80 to avoid CDM TX FIFO overflow.
> Without this patch mt7986 and mt7981 may have WDMA TX hang issue. This
> patch was pulled from mtk-openwrt-feeds GPL open source project.

Lorenzo, could you TAL? (incl. Simon's suggestion of the Fixes tag)