netdev - [RFC net-next 6/9] veth: apply XDP offloading fixup when building skb

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Date: Thu, 20 Jun 2024 15:19:25 -0700
From: Yan Zhai <yan@...udflare.com>
To: netdev@...r.kernel.org
Cc: "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>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: [RFC net-next 6/9] veth: apply XDP offloading fixup when building skb

Add a common point to transfer offloading info from XDP context to skb.

Signed-off-by: Yan Zhai <yan@...udflare.com>
---
 drivers/net/veth.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 426e68a95067..c799362a839c 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -703,6 +703,8 @@ static void veth_xdp_rcv_bulk_skb(struct veth_rq *rq, void **frames,
 			stats->rx_drops++;
 			continue;
 		}
+
+		xdp_frame_fixup_skb_offloading(frames[i], skb);
 		napi_gro_receive(&rq->xdp_napi, skb);
 	}
 }
@@ -855,6 +857,8 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
 	metalen = xdp->data - xdp->data_meta;
 	if (metalen)
 		skb_metadata_set(skb, metalen);
+
+	xdp_buff_fixup_skb_offloading(xdp, skb);
 out:
 	return skb;
 drop:
-- 
2.30.2