From: Patrick McHardy <kaber@trash.net>
To: Or Gerlitz <ogerlitz@voltaire.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>, netdev@vger.kernel.org
Subject: Re: bonds/vlan combinations and device features
Date: Mon, 08 Jun 2009 15:43:34 +0200 [thread overview]
Message-ID: <4A2D1586.2020906@trash.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0906081244140.7633@zuben.voltaire.com>
Or Gerlitz wrote:
> Another questions which is more related to the vlan (8021q) driver, is the lack of
> vlan passthrough (e.g setting dev->vlan_features) by most of the drivers (all expect
> for the Intel ones...) as pointed by Jay earlier on these threads. Is there a real
> issue for other HW vendors to support this or its something that got fogotten through
> the introduction of the vlan_features? I traced 289c79a4... "vlan: Use bitmask of
> feature flags instead of seperate feature bits" be to the 8021q patch and ad31c402...
> "ixbge: allow vlan devices to use TSO and TCP CSUM offload" et al to be Intel drivers
> patches, but I didn't see other drivers support.
>
> Patrick, assuming that vlans are common and people expect NIC to support TCP offloads
> such as checksum and large-send, what is the actual gap here per your view?
Its up to the maintainers or people owning a device which doesn't yet
set those flags. I do not know which other devices support this.
next prev parent reply other threads:[~2009-06-08 13:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-08 10:05 bonds/vlan combinations and device features Or Gerlitz
2009-06-08 13:43 ` Patrick McHardy [this message]
2009-06-09 12:02 ` Or Gerlitz
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