linux-kernel - Re: [PATCH net-next v3] xdp: Add helpers for head length, headroom, and metadata length

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Message-ID: <aBpKLNPct95KdADM@mini-arch>
Date: Tue, 6 May 2025 10:43:08 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Jon Kohler <jon@...anix.com>
Cc: Willem de Bruijn <willemdebruijn.kernel@...il.com>,
	Jason Wang <jasowang@...hat.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Simon Horman <horms@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH net-next v3] xdp: Add helpers for head length, headroom,
 and metadata length

On 05/06, Jon Kohler wrote:
> Introduce new XDP helpers:
> - xdp_headlen: Similar to skb_headlen
> - xdp_headroom: Similar to skb_headroom
> - xdp_metadata_len: Similar to skb_metadata_len
> 
> Integrate these helpers into tap, tun, and XDP implementation to start.
> 
> No functional changes introduced.
> 
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> Signed-off-by: Jon Kohler <jon@...anix.com>
> ---
> v2->v3: Integrate feedback from Stanislav
> https://patchwork.kernel.org/project/netdevbpf/patch/20250430201120.1794658-1-jon@nutanix.com/

Acked-by: Stanislav Fomichev <sdf@...ichev.me>

Thanks!