From: Simon Horman <horms@kernel.org>
To: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Felix Fietkau <nbd@nbd.name>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Pablo Neira Ayuso <pablo@netfilter.org>,
Florian Westphal <fw@strlen.de>, Phil Sutter <phil@nwl.cc>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org
Subject: Re: [PATCH nf-next] net: pass net_device_path_ctx to dev_fill_forward_path()
Date: Fri, 7 Aug 2026 11:36:44 +0100 [thread overview]
Message-ID: <20260807103644.GJ51943@horms.kernel.org> (raw)
In-Reply-To: <20260805-dev_fill_forward_path-ctx-arg-v1-1-f2873d941755@oss.qualcomm.com>
On Wed, Aug 05, 2026 at 10:53:09AM +0200, Lorenzo Bianconi wrote:
> Refactor dev_fill_forward_path() to take a struct net_device_path_ctx
> pointer instead of a (dev, daddr) pair, so the caller can build and
> populate the context up front and keep it after the forward path walk.
>
> This allows additional fields (e.g. vlan and ether_type) to be carried
> in the context and shared with ndo_fill_forward_path implementations,
> instead of being reconstructed on the stack inside the core helper.
>
> Update the mtk_ppe_offload, airoha_ppe and nf_flow_table_path callers to
> allocate and fill the context before invoking dev_fill_forward_path().
> The network topology resolution behaviour is unchanged.
>
> This is a preliminary patch to enable HW flowtable offload for IPv4
> over IPv6 tunnels.
>
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>
Reviewed-by: Simon Horman <horms@kernel.org>
prev parent reply other threads:[~2026-08-07 10:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 8:53 [PATCH nf-next] net: pass net_device_path_ctx to dev_fill_forward_path() Lorenzo Bianconi
2026-08-07 10:36 ` Simon Horman [this message]
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