netdev - Re: Question on netif_tx_queue

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Message-Id: <20090127.221043.244908230.davem@davemloft.net>
Date:	Tue, 27 Jan 2009 22:10:43 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	greearb@...delatech.com
Cc:	netdev@...r.kernel.org
Subject: Re: Question on netif_tx_queue_stopped

From: Ben Greear <greearb@...delatech.com>
Date: Tue, 27 Jan 2009 22:05:01 -0800

> I'm doing some tests with pktgen and the 8139too (realtek) driver
> in kernel 2.6.29-rc2.
> 
> It seems that netif_tx_queue_stopped will return false fairly often even if the
> cable is pulled from the NIC.
> 
> Is that expected?

Yep.

Pulling the cable out only effects netif_carrier_ok().
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