(resend - I forgot to cc Eduardo)

(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Fri, 2 Apr 2010 18:17:07 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:

quoted text
> https://bugzilla.kernel.org/show_bug.cgi?id=15683
> 
>            Summary: XFRM IS NOT UPDATING ETH TYPE FIELD FOR INNER PACKET
>                     ON ETH
>            Product: Networking
>            Version: 2.5
>     Kernel Version: 2.6.28-2
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Other
>         AssignedTo: acme@ghostprotocols.net
>         ReportedBy: eduardo.panisset@gmail.com
>         Regression: No
> 
> 
> Before doing this change wireshark was showing the inner packet as
> "malformed" as it uses the ethernet's type field to classify the L3
> packets as IPv6, IPv4 and so on.
> The problem is when the inner packet is reinserted into Linux stack
> and the ethernet header keeps holding on its type field a value for
> the protocol of outer packet.
> 
> Below my correction on file net/xfrm/xfrm_input.c, function xfrm_prepare_input:
> 
> ...
> 
> skb->protocol = inner_mode->afinfo->eth_proto; // existing code
> eth_hdr(skb)->h_proto = skb->protocol; // my change, adding this line
> 
> ...
> 

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