netdev - Re: [PATCH 2.6.36] vlan: Avoid hwaccel vlan packets when vid not used

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Date:	Fri, 07 Jan 2011 03:43:22 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Matt Carlson <mcarlson@...adcom.com>
Cc:	Jesse Gross <jesse@...ira.com>,
	Michael Leun <lkml20101129@...ton.leun.net>,
	Michael Chan <mchan@...adcom.com>,
	David Miller <davem@...emloft.net>,
	Ben Greear <greearb@...delatech.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 2.6.36] vlan: Avoid hwaccel vlan packets when vid not
 used

Le vendredi 07 janvier 2011 à 03:41 +0100, Eric Dumazet a écrit :
> Le jeudi 06 janvier 2011 à 18:29 -0800, Matt Carlson a écrit :
> 
> > Hi Eric.  Sorry for the delay.  I was under the impression that your
> > problems were software related and that you just needed a revised
> > version of these VLAN patches I was sending to Michael.  Is this not
> > true?
> > 
> > Having a hardware stat increment suggests this is a new problem.
> > Maybe I missed it, but I didn't see what hardware you are working
> > with and whether or not management firmware was enabled.  Could you tell
> > me that info?
> > 
> 
> Hi Matt
> 
> I started a bisection, because I couldnt sleep tonight anyway :(
> 
> 14:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5715S
> Gigabit Ethernet (rev a3)
> 	Subsystem: Hewlett-Packard Company NC326m PCIe Dual Port Adapter
> 	Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 43
> 	Memory at fdff0000 (64-bit, non-prefetchable) [size=64K]
> 	Memory at fdfe0000 (64-bit, non-prefetchable) [size=64K]
> 	[virtual] Expansion ROM at fdbe0000 [disabled] [size=128K]
> 	Capabilities: [40] PCI-X non-bridge device
> 	Capabilities: [48] Power Management version 2
> 	Capabilities: [50] Vital Product Data
> 	Capabilities: [58] MSI: Enable+ Count=1/8 Maskable- 64bit+
> 	Kernel driver in use: tg3
> 	Kernel modules: tg3
> 
> 

$ ethtool -i eth2
driver: tg3
version: 3.115
firmware-version: 5715s-v3.28
bus-info: 0000:14:04.0
$ dmesg | grep ASF
[    6.220577] tg3 0000:14:04.0: eth2: RXcsums[1] LinkChgREG[0] MIirq[0]
ASF[0] TSOcap[1]
[    6.228586] tg3 0000:14:04.1: eth3: RXcsums[1] LinkChgREG[0] MIirq[0]
ASF[0] TSOcap[1]



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