On Tue, 11 Mar 2025 at 14:19, Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:
>
> Set metadata size building the skb from xdp_buff in netsec driver
>
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> ---
> drivers/net/ethernet/socionext/netsec.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
> index dc99821c6226fbaece65c8ade23899f610b44a9a..ee890de69ffe795dbdcc5331e36be86769f0d9a6 100644
> --- a/drivers/net/ethernet/socionext/netsec.c
> +++ b/drivers/net/ethernet/socionext/netsec.c
> @@ -970,7 +970,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
> struct netsec_de *de = dring->vaddr + (DESC_SZ * idx);
> struct netsec_desc *desc = &dring->desc[idx];
> struct page *page = virt_to_page(desc->addr);
> - u32 xdp_result = NETSEC_XDP_PASS;
> + u32 metasize, xdp_result = NETSEC_XDP_PASS;
> struct sk_buff *skb = NULL;
> u16 pkt_len, desc_len;
> dma_addr_t dma_handle;
> @@ -1019,7 +1019,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
> prefetch(desc->addr);
>
> xdp_prepare_buff(&xdp, desc->addr, NETSEC_RXBUF_HEADROOM,
> - pkt_len, false);
> + pkt_len, true);
>
> if (xdp_prog) {
> xdp_result = netsec_run_xdp(priv, xdp_prog, &xdp);
> @@ -1048,6 +1048,9 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
>
> skb_reserve(skb, xdp.data - xdp.data_hard_start);
> skb_put(skb, xdp.data_end - xdp.data);
> + metasize = xdp.data - xdp.data_meta;
> + if (metasize)
> + skb_metadata_set(skb, metasize);
> skb->protocol = eth_type_trans(skb, priv->ndev);
>
> if (priv->rx_cksum_offload_flag &&
>
> --
> 2.48.1
>
Acked-by: Ilias Apalodimas <ilias.apalodimas@xxxxxxxxxx>
