Re: [PATCH net 1/2] macvlan: forbid L2 fowarding offload formacvtap

[Stephen Hemminger]

On Thu, 09 Jan 2014 16:55:07 +0800
Jason Wang <jasowang@xxxxxxxxxx> wrote:

> What if use do want a qdisc and want to change the its queue length for
> tun/macvlan? And the the name tx_queue_length is misleading. For tun it
> may make sense since it was used in transmission path. For macvtap it
> was not. So maybe what we need is just a new ioctl for both tun/macvtap
> and a new feature flag. If user create the device with new feature flag,
> the socket receive queue length could be changed by ioctl instead of
> dev->tx_queue_length. If not, the old behaviour could be kept.

The overloading of tx_queue_len in macvtap was the original design mistake.
Can't this just be undone and expose rx_queue_len as sysfs attribute?
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