linux-kernel - Re: [linux-nics] [PATCH net 3/5] fm10k: Implement ndo_gso

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Message-ID: <CAJ3xEMjaQ54yEUQGL-8VHoPm=4G5bhPaGBa55jypzfKviR4KyQ@mail.gmail.com>
Date:	Wed, 5 Nov 2014 14:44:45 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	Joe Stringer <joestringer@...ira.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	linux.nics@...el.com, shahed.shaikh@...gic.com,
	sathya.perla@...lex.com, Amir Vadai <amirv@...lanox.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Dept-GELinuxNICDev@...gic.com, Tom Herbert <therbert@...gle.com>
Subject: Re: [linux-nics] [PATCH net 3/5] fm10k: Implement ndo_gso_check()

On Wed, Nov 5, 2014 at 2:34 PM, Jeff Kirsher
<jeffrey.t.kirsher@...el.com> wrote:
> On Tue, 2014-11-04 at 13:56 -0800, Joe Stringer wrote:
>> ndo_gso_check() was recently introduced to allow NICs to report the
>> offloading support that they have on a per-skb basis. Add an
>> implementation for this driver which checks for something that looks
>> like VXLAN.
>>
>> Implementation shamelessly stolen from Tom Herbert:
>> http://thread.gmane.org/gmane.linux.network/332428/focus=333111
>>
>> Signed-off-by: Joe Stringer <joestringer@...ira.com>
>> ---
>> Should this driver report support for GSO on packets with tunnel
>> headers
>> up to 64B like the i40e driver does?
>> ---
>>  drivers/net/ethernet/intel/fm10k/fm10k_netdev.c |   12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>
> Thanks Joe, I will add your patch to my queue.

Hi Jeff, please see my comment on patch 0/5, we're essentially
replicating the same helper four different times (fm10k, mlx4, benet,
qlgc) - I don't see the point in doing so. I asked Joe to come up with
one generic helper and then to pick it up by the four drivers, makes
sense?
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