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[net-next,1/7] net: mvneta: Add metadata support for xdp mode

Message ID 20250311-mvneta-xdp-meta-v1-1-36cf1c99790e@kernel.org
State New
Headers show
Series [net-next,1/7] net: mvneta: Add metadata support for xdp mode | expand

Commit Message

Lorenzo Bianconi March 11, 2025, 12:18 p.m. UTC 
Set metadata size building the skb from xdp_buff in mvneta driver

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/ethernet/marvell/mvneta.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 44b18c57390927e37eac267632cace656bb5526e..147571fdada378e430fd96f2fb4a7e7870b784a2 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2342,7 +2342,7 @@  mvneta_swbm_rx_frame(struct mvneta_port *pp,
 	prefetch(data);
 	xdp_buff_clear_frags_flag(xdp);
 	xdp_prepare_buff(xdp, data, pp->rx_offset_correction + MVNETA_MH_SIZE,
-			 data_len, false);
+			 data_len, true);
 }
 
 static void
@@ -2396,6 +2396,7 @@  mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
 		      struct xdp_buff *xdp, u32 desc_status)
 {
 	struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
+	u32 metasize = xdp->data - xdp->data_meta;
 	struct sk_buff *skb;
 	u8 num_frags;
 
@@ -2410,6 +2411,8 @@  mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool,
 
 	skb_reserve(skb, xdp->data - xdp->data_hard_start);
 	skb_put(skb, xdp->data_end - xdp->data);
+	if (metasize)
+		skb_metadata_set(skb, metasize);
 	skb->ip_summed = mvneta_rx_csum(pp, desc_status);
 
 	if (unlikely(xdp_buff_has_frags(xdp)))