netdev - Re: [PATCH/RFC net-next] MPLS: Use mpls_features to activate software MPLS GSO segmentation

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Date:	Sun, 25 May 2014 10:46:05 -0700
From:	Jesse Gross <jesse@...ira.com>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Thomas Graf <tgraf@...g.ch>, netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH/RFC net-next] MPLS: Use mpls_features to activate software
 MPLS GSO segmentation

On Fri, May 23, 2014 at 7:42 PM, Simon Horman <horms@...ge.net.au> wrote:
> If an MPLS packet requires segmentation then use mpls_features
> to determine if the software implementation should be used.
>
> As no driver advertises MPLS GSO segmentation this will always be
> the case.
>
> I had not noticed that this was necessary before as software MPLS GSO
> segmentation was already being used in my test environment. I believe that
> the reason for that is the skbs in question always had fragments and the
> driver I used does not advertise NETIF_F_FRAGLIST (which seems to be the
> case for most drivers). Thus Thus software segmentation was activated by
> skb_gso_ok().
>
> Thanks to Jesse Gross for prompting me to investigate this.
>
> Cc: Jesse Gross <jesse@...ira.com>
> Signed-off-by: Simon Horman <horms@...ge.net.au>

Acked-by: Jesse Gross <jesse@...ira.com>
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