Thread (25 messages) flat view 25 messages, 6 authors, 2026-01-13

RE: [Intel-wired-lan] [PATCH net-next 07/10] mlx5e: Call skb_metadata_set when skb->data points past metadata

From: Loktionov, Aleksandr <hidden>
Date: 2026-01-12 11:33:02
Also in: bpf, intel-wired-lan

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-----Original Message-----
From: Intel-wired-lan <redacted> On Behalf
Of Jakub Sitnicki via Intel-wired-lan
Sent: Saturday, January 10, 2026 10:05 PM
To: netdev@vger.kernel.org
Cc: David S. Miller <davem@davemloft.net>; Eric Dumazet
[off-list ref]; Jakub Kicinski [off-list ref]; Paolo Abeni
[off-list ref]; Simon Horman [off-list ref]; Michael Chan
[off-list ref]; Pavan Chebbi [off-list ref];
Andrew Lunn [off-list ref]; Nguyen, Anthony L
[off-list ref]; Kitszel, Przemyslaw
[off-list ref]; Saeed Mahameed [off-list ref];
Leon Romanovsky [off-list ref]; Tariq Toukan [off-list ref];
Mark Bloch [off-list ref]; Alexei Starovoitov [off-list ref];
Daniel Borkmann [off-list ref]; Jesper Dangaard Brouer
[off-list ref]; John Fastabend [off-list ref];
Stanislav Fomichev [off-list ref]; intel-wired-
lan@lists.osuosl.org; bpf@vger.kernel.org; kernel-team@cloudflare.com
Subject: [Intel-wired-lan] [PATCH net-next 07/10] mlx5e: Call
skb_metadata_set when skb->data points past metadata

Prepare to copy the XDP metadata into an skb extension in
skb_metadata_set.

Adjust the driver to pull from skb->data before calling
skb_metadata_set.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
index 2b05536d564a..20c983c3ce62 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
@@ -237,8 +237,8 @@ static struct sk_buff
*mlx5e_xsk_construct_skb(struct mlx5e_rq *rq, struct xdp_b
 	skb_put_data(skb, xdp->data_meta, totallen);

 	if (metalen) {
-		skb_metadata_set(skb, metalen);
 		__skb_pull(skb, metalen);
+		skb_metadata_set(skb, metalen);
 	}

 	return skb;

--
2.43.0
Reviewed-by: Aleksandr Loktionov <redacted>
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