[PATCH 7/7] net/ice: pin outer Ethertype for L2TPv2 flow rules

[Burakov, Anatoly]

On 4/27/2026 4:31 AM, Shaiq Wani wrote:
> L2TPv2 flow rules do not include the outer Ethertype in the input set,
> so a rule created for outer IPv6 also matches packets with outer IPv4
> (and vice versa). The hardware profile cannot distinguish the two
> families because nothing in the match key differentiates them.
> 
> Add ICE_INSET_ETHERTYPE to input_set_o and set ext_data.ether_type to
> 0x0800 or 0x86DD based on the outer L3 item, so the profile includes
> the Ethertype field and rejects cross-family mismatches.
> 
> Fixes: 733640dae75e ("net/ice: support L2TPv2 flow pattern matching")
> Signed-off-by: Shaiq Wani <shaiq.wani at intel.com>
> ---

Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>

-- 
Thanks,
Anatoly