From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] bonding: set correct tx_queue_len for bond_dev
Date: Tue, 30 Jul 2013 00:34:03 -0700 (PDT)
Message-ID: <20130730.003403.299786235452826263.davem@davemloft.net>
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From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 30 Jul 2013 15:20:42 +0800

> With htb, sch->limit is set from bond_dev->tx_queue_len which
> is initialized to 0 in bond_setup.

This is intentional, software devices should not queue TX
packets.

You can only use the packet scheduler with hardware devices.