[PATCH net-next 09/10] xsk: Call skb_metadata_set when skb->data points past metadata
From: Jakub Sitnicki <jakub@cloudflare.com>
Date: 2026-01-10 21:05:36
Also in:
bpf, intel-wired-lan
Subsystem:
networking [general], the rest, xdp (express data path) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Alexei Starovoitov, Daniel Borkmann, Jesper Dangaard Brouer, John Fastabend
Prepare to copy the XDP metadata into an skb extension in skb_metadata_set. Adjust AF_XDP to pull from skb->data before calling skb_metadata_set. Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> --- net/core/xdp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/xdp.c b/net/core/xdp.c
index 9100e160113a..e86ac1d6ad6d 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c@@ -768,8 +768,8 @@ struct sk_buff *xdp_build_skb_from_zc(struct xdp_buff *xdp) metalen = xdp->data - xdp->data_meta; if (metalen > 0) { - skb_metadata_set(skb, metalen); __skb_pull(skb, metalen); + skb_metadata_set(skb, metalen); } skb_record_rx_queue(skb, rxq->queue_index);
--
2.43.0