net: ti: cpsw: Add metadata support for xdp mode

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Set metadata size building the skb from xdp_buff in cpsw/cpsw_new
drivers. ti cpsw and cpsw_new drivers set xdp headroom at least to
CPSW_HEADROOM_NA:

CPSW_HEADROOM_NA max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN

so the headroom is large enough to contain xdp_frame and xdp metadata.
Please note this patch is just compiled tested.

Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250318-mvneta-xdp-meta-v2-7-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Lorenzo Bianconi 2025-03-18 12:46:11 +01:00 • committed by Jakub Kicinski

parent c313d35f60

commit b3a54be70c

2 changed files with 10 additions and 2 deletions

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6

drivers/net/ethernet/ti/cpsw.c

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6

drivers/net/ethernet/ti/cpsw_new.c

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