Re: [PATCH nf-next v6 0/2] Add IPIP flowtable SW acceleratio

[Lorenzo Bianconi <lorenzo@kernel.org>]

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> Introduce SW acceleration for IPIP tunnels in the netfilter flowtable
> infrastructure.
> 

Hi Pablo, Florian and Jozsef,

any update about this patch? What is the best way to proceed on this feature?

Regards,
Lorenzo

> ---
> Changes in v6:
> - Rebase on top of nf-next main branch
> - Link to v5: https://lore.kernel.org/r/20250721-nf-flowtable-ipip-v5-0-0865af9e58c6@kernel.org
> 
> Changes in v5:
> - Rely on __ipv4_addr_hash() to compute the hash used as encap ID
> - Remove unnecessary pskb_may_pull() in nf_flow_tuple_encap()
> - Add nf_flow_ip4_ecanp_pop utility routine
> - Link to v4: https://lore.kernel.org/r/20250718-nf-flowtable-ipip-v4-0-f8bb1c18b986@kernel.org
> 
> Changes in v4:
> - Use the hash value of the saddr, daddr and protocol of outer IP header as
>   encapsulation id.
> - Link to v3: https://lore.kernel.org/r/20250703-nf-flowtable-ipip-v3-0-880afd319b9f@kernel.org
> 
> Changes in v3:
> - Add outer IP header sanity checks
> - target nf-next tree instead of net-next
> - Link to v2: https://lore.kernel.org/r/20250627-nf-flowtable-ipip-v2-0-c713003ce75b@kernel.org
> 
> Changes in v2:
> - Introduce IPIP flowtable selftest
> - Link to v1: https://lore.kernel.org/r/20250623-nf-flowtable-ipip-v1-1-2853596e3941@kernel.org
> 
> ---
> Lorenzo Bianconi (2):
>       net: netfilter: Add IPIP flowtable SW acceleration
>       selftests: netfilter: nft_flowtable.sh: Add IPIP flowtable selftest
> 
>  include/linux/netdevice.h                          |  1 +
>  net/ipv4/ipip.c                                    | 28 +++++++++++
>  net/netfilter/nf_flow_table_ip.c                   | 56 +++++++++++++++++++++-
>  net/netfilter/nft_flow_offload.c                   |  1 +
>  .../selftests/net/netfilter/nft_flowtable.sh       | 40 ++++++++++++++++
>  5 files changed, 124 insertions(+), 2 deletions(-)
> ---
> base-commit: bab3ce404553de56242d7b09ad7ea5b70441ea41
> change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067
> 
> Best regards,
> -- 
> Lorenzo Bianconi <lorenzo@kernel.org>
> 

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