netdev - Re: bnx2/BCM5709: why 5 interrupts on a 4 core system (2.6.33.3)

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Message-ID: <C27F8246C663564A84BB7AB3439772421B7814753B@IRVEXCHCCR01.corp.ad.broadcom.com>
Date:	Sun, 16 May 2010 13:24:07 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"'Eric Dumazet'" <eric.dumazet@...il.com>
cc:	"'Krzysztof Oledzki'" <ole@....pl>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: bnx2/BCM5709: why 5 interrupts on a 4 core system
 (2.6.33.3)

Eric Dumazet write:

> > I think that ICMP ping packets will always go to ring 0 (eth1-0)
> > because they are non-IP packets.  I need to double check tomorrow
> > on how exactly the hashing works on RX.  Can you try running IP
> > traffic?  IP packets should theoretically go to rings 1 - 4.
> >
>
> ICMP packets are IP packets (Protocol=1)
>

Sorry, Eric is right.  Anyway, I'll check on the hashing to see how
it works on UDP, TCP, and other packets.

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