diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2025-03-18 12:46:10 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-25 04:35:42 -0700 |
| commit | c313d35f60c1ce20f7a43c0b6424220e697dd539 (patch) | |
| tree | 3831547be2d107abbef99ab5251bb88faf1992cc | |
| parent | 74fb1346bc779f5b4ad448bd20520907e0aec7cf (diff) | |
net: mana: Add metadata support for xdp mode
Set metadata size building the skb from xdp_buff in mana driver.
mana driver sets xdp headroom to XDP_PACKET_HEADROOM 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-v2-6-b6075778f61f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/mana_bpf.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/microsoft/mana/mana_en.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/mana_bpf.c b/drivers/net/ethernet/microsoft/mana/mana_bpf.c index 23b1521c0df9..d30721d4516f 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_bpf.c +++ b/drivers/net/ethernet/microsoft/mana/mana_bpf.c @@ -91,7 +91,7 @@ u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq, goto out; xdp_init_buff(xdp, PAGE_SIZE, &rxq->xdp_rxq); - xdp_prepare_buff(xdp, buf_va, XDP_PACKET_HEADROOM, pkt_len, false); + xdp_prepare_buff(xdp, buf_va, XDP_PACKET_HEADROOM, pkt_len, true); act = bpf_prog_run_xdp(prog, xdp); diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index 9a8171f099b6..e190d5ee5154 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -1559,8 +1559,12 @@ static struct sk_buff *mana_build_skb(struct mana_rxq *rxq, void *buf_va, return NULL; if (xdp->data_hard_start) { + u32 metasize = xdp->data - xdp->data_meta; + skb_reserve(skb, xdp->data - xdp->data_hard_start); skb_put(skb, xdp->data_end - xdp->data); + if (metasize) + skb_metadata_set(skb, metasize); return skb; } |