linux-kernel - Re: [PATCH 1/3] Kernel interfaces for multiqueue aware socket

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Message-ID: <4D097CD8.7080902@chelsio.com>
Date:	Wed, 15 Dec 2010 18:43:36 -0800
From:	Dimitris Michailidis <dm@...lsio.com>
To:	Changli Gao <xiaosuo@...il.com>
CC:	Fenghua Yu <fenghua.yu@...el.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Fastabend, John R" <john.r.fastabend@...el.com>,
	"Tang, Xinan" <xinan.tang@...el.com>,
	Junchang Wang <junchangwang@...il.com>,
	netdev <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] Kernel interfaces for multiqueue aware socket

Changli Gao wrote:
> On Thu, Dec 16, 2010 at 9:14 AM, Fenghua Yu <fenghua.yu@...el.com> wrote:
>> SKF_AD_QUEUE doesn't know number of rx queues. Thus user application can't
>> specify right SKF_AD_QUEUE.
> 
> It is wrong. AFAIK, you can get the queue number through
> /sys/class/net/eth*/queues/ or /proc/interrupts

The number of Rx queues is also available through ETHTOOL_GRXRINGS though 
few drivers support it currently.
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