netdev - Re: [PATCH net v2] net: ip_gre: use erspan key field for tunnel lookup

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Message-Id: <20190122.115306.1180335517813651066.davem@davemloft.net>
Date:   Tue, 22 Jan 2019 11:53:06 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     lorenzo.bianconi@...hat.com
Cc:     netdev@...r.kernel.org, u9012063@...il.com, dcaratti@...hat.com
Subject: Re: [PATCH net v2] net: ip_gre: use erspan key field for tunnel
 lookup

From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Date: Fri, 18 Jan 2019 12:05:39 +0100

> Use ERSPAN key header field as tunnel key in gre_parse_header routine
> since ERSPAN protocol sets the key field of the external GRE header to
> 0 resulting in a tunnel lookup fail in ip6gre_err.
> In addition remove key field parsing and pskb_may_pull check in
> erspan_rcv and ip6erspan_rcv
> 
> Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support")
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
> ---
> Changes since v1:
> - verify that ershdr is in the skb linear area
> - remove duplicated pskb_may_pull checks in erspan_rcv and
>   ip6erspan_rcv  

Applied and queued up for -stable, thank you.