netdev - Re: will 2 cpu simultaneously process packets which have same hash value on multiqueue nic?

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Message-ID: <1274355967.17395.5.camel@lb-tlvb-eilong.il.broadcom.com>
Date:	Thu, 20 May 2010 14:46:07 +0300
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"Jon Zhou" <Jon.Zhou@...u.com>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: will 2 cpu simultaneously process packets which have same
 hash value on multiqueue nic?

On Wed, 2010-05-19 at 22:37 -0700, Jon Zhou wrote:
> will 2 cpu simultaneously  process packets which have same hash value on multiqueue nic?
> 
> let 's take broadcom 57711 bnx2x_main.c as an example:
> 
> #1 packet1->queue=1
> #2 packet2->queue=1
> 
> will cpu1 and cpu2 execute the function " bnx2x_rx_int" in parallel, to receive packet1 & packet2
Both packets will be handled by the same queue and the queue processing
is serialized - so the packets will be handled one after the other.

Regards,
Eilon

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