netdev - Re: [PATCH nf-next v5 0/2] Add IPIP flowtable SW acceleratio

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Message-ID: <aIjo1azEuq2k3s2w@lore-desk>
Date: Tue, 29 Jul 2025 17:29:25 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
	David Ahern <dsahern@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Jozsef Kadlecsik <kadlec@...filter.org>,
	Shuah Khan <shuah@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>
Cc: Florian Westphal <fw@...len.de>, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH nf-next v5 0/2] Add IPIP flowtable SW acceleratio

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

Hi Pablo,

do you have any update on v5?

Regards,
Lorenzo

> 
> ---
> 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: dd500e4aecf25e48e874ca7628697969df679493
> change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067
> 
> Best regards,
> -- 
> Lorenzo Bianconi <lorenzo@...nel.org>
> 

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