netdev - Re: [PATCH net-next 2/2] hv_netvsc: Implement set

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Message-Id: <20150812.144556.430563471959505989.davem@davemloft.net>
Date:	Wed, 12 Aug 2015 14:45:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andschwa@...rosoft.com
Cc:	haiyangz@...rosoft.com, kys@...rosoft.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] hv_netvsc: Implement set_channels ethtool
 op

From: Andrew Schwartzmeyer <andschwa@...rosoft.com>
Date: Tue, 11 Aug 2015 17:14:32 -0700

> This enables the use of ethtool --set-channels devname combined N to
> change the number of vRSS queues. Separate rx, tx, and other parameters
> are not supported. The maximum is rsscap.num_recv_que. It passes the
> given value to rndis_filter_device_add through the device_info->num_chn
> field.
> 
> If the procedure fails, it attempts to recover to the prior state. If
> the recovery fails, it logs an error and aborts.
> 
> Current num_chn is saved and restored when changing the MTU.
> 
> Signed-off-by: Andrew Schwartzmeyer <andschwa@...rosoft.com>

Applied.
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