netdev - Re: [PATCH net] ipv4: Don't pass IP fragments to upper layer GRO handlers.

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Date:   Fri, 28 Apr 2017 16:01:00 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     steffen.klassert@...unet.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] ipv4: Don't pass IP fragments to upper layer GRO
 handlers.

From: Steffen Klassert <steffen.klassert@...unet.com>
Date: Fri, 28 Apr 2017 10:54:32 +0200

> Upper layer GRO handlers can not handle IP fragments, so
> exit GRO processing in this case.
> 
> This fixes ESP GRO because the packet must be reassembled
> before we can decapsulate, otherwise we get authentication
> failures.
> 
> It also aligns IPv4 to IPv6 where packets with fragmentation
> headers are not passed to upper layer GRO handlers.
> 
> Fixes: 7785bba299a8 ("esp: Add a software GRO codepath")
> Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>

Applied, thank you.