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

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Message-ID: <d4973197-c1be-49e4-8954-cb07e7ad05ac@iogearbox.net>
Date: Wed, 7 May 2025 18:18:59 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Jon Kohler <jon@...anix.com>,
 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>, 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
Cc: Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH net-next v3] xdp: Add helpers for head length, headroom,
 and metadata length

On 5/6/25 2:52 PM, 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>

lgtm as well, thanks!

Acked-by: Daniel Borkmann <daniel@...earbox.net>