From: Ben Greear <greearb@candelatech.com>
To: David Miller <davem@davemloft.net>
Cc: shemminger@linux-foundation.org,
djohnson+linux-kernel@sw.starentnetworks.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bguo@sw.starentnetworks.com
Subject: Re: expected behavior of PF_PACKET on NETIF_F_HW_VLAN_RX device?
Date: Thu, 01 Nov 2007 08:04:31 -0700 [thread overview]
Message-ID: <4729EAFF.9050606@candelatech.com> (raw)
In-Reply-To: <20071031.215025.195350296.davem@davemloft.net>
David Miller wrote:
> From: Stephen Hemminger <shemminger@linux-foundation.org>
> Date: Wed, 31 Oct 2007 18:23:37 -0700
>
>
>> The code in AF_PACKET should fix the skb before passing to user
>> space so that there is no difference between accel and non-accel
>> hardware. Internal choices shouldn't leak to user space. Ditto,
>> the receive checksum offload should be fixed up as well.
>>
>
> The hardware has stripped the VLAN header completely and has not
> provided it to us at all.
>
Do the NICs not save the QoS bits in the VLAN header anywhere that we could
use to reconstitute the header?
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2007-11-01 15:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-31 18:43 expected behavior of PF_PACKET on NETIF_F_HW_VLAN_RX device? Dave Johnson
2007-10-31 19:33 ` Stephen Hemminger
2007-11-01 1:06 ` Ben Greear
2007-11-01 1:10 ` David Miller
2007-11-01 1:23 ` Stephen Hemminger
2007-11-01 1:31 ` Ben Greear
2007-11-01 4:50 ` David Miller
2007-11-01 15:04 ` Ben Greear [this message]
2007-11-01 21:35 ` David Miller
2007-11-01 21:36 ` Dave Johnson
2007-11-01 21:48 ` Rick Jones
2007-11-01 21:59 ` David Miller
2007-11-01 22:04 ` Rick Jones
2007-11-01 22:07 ` David Miller
2007-11-01 23:26 ` Rick Jones
2007-11-05 17:46 ` [PATCH 1/2] NET: Re-add VLAN tag for devices incapable of keeping it Dave Johnson
2007-11-05 18:00 ` Patrick McHardy
2007-11-05 23:15 ` David Miller
2007-11-06 0:21 ` Patrick McHardy
2007-11-06 0:35 ` David Miller
2007-11-06 18:03 ` Krzysztof Halasa
2007-11-06 18:56 ` Ben Greear
2007-11-06 20:08 ` Krzysztof Halasa
2007-11-06 23:55 ` Patrick McHardy
2007-11-05 17:47 ` [PATCH 2/2] " Dave Johnson
2007-11-06 2:39 ` Ramkrishna Vepa
2007-11-06 18:28 ` Ramkrishna Vepa
2007-11-06 18:34 ` Dave Johnson
2007-11-01 21:58 ` expected behavior of PF_PACKET on NETIF_F_HW_VLAN_RX device? David Miller
2007-11-02 18:08 ` Dave Johnson
2007-11-02 21:20 ` David Miller
2007-11-02 21:52 ` Michael Chan
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