Re: [PATCH net-next v6 0/8] tun/tap & vhost-net: netdev queue flow control to avoid ptr_ring tail drop
From: Michael S. Tsirkin
Date: Wed Nov 26 2025 - 02:18:06 EST
On Fri, Nov 21, 2025 at 10:22:54AM +0100, Simon Schippers wrote:
> I agree, but I really would like to reduce the buffer bloat caused by the
> default 500 TUN / 1000 TAP packet queue without losing performance.
that default is part of the userspace API and can't be changed.
just change whatever userspace is creating your device.
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MST