netdev - Re: [PATCH net] macvlan: allow to enqueue broadcast pkt on virtual device

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Message-ID: <1411164317.26859.45.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 19 Sep 2014 15:05:17 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <cwang@...pensource.com>
Cc:	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [PATCH net] macvlan: allow to enqueue broadcast pkt on virtual
 device

On Fri, 2014-09-19 at 14:59 -0700, Cong Wang wrote:

> 
> Then fix these tx_queue_len = 0?

What are you suggesting exactly ?

We want them being 0, exactly.

This is the standard way many scripts are able to remove a qdisc.

We dont want to break user scripts. Ever.

tc qdisc add dev bond0 root sfq

...

ifconfig bond0 txqueuelen 0
tc qdisc del dev bond0 root

-> No qdisc



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