Re: [PATCH net-next v3 4/6] net: bcmgenet: add XDP_TX support

[Mohsin Bashir]

> +static bool
> +bcmgenet_xdp_xmit_frame(struct bcmgenet_priv *priv,
> +			struct xdp_frame *xdpf, bool dma_map)
> +{
> +	struct bcmgenet_tx_ring *ring = &priv->tx_rings[DESC_INDEX];
> +	struct device *kdev = &priv->pdev->dev;
> +	struct enet_cb *tx_cb_ptr;
> +	dma_addr_t mapping;
> +	unsigned int dma_len;
> +	u32 len_stat;
> +
> +	spin_lock(&ring->lock);
> +

So we acquire lock on per-packet basis on the XDP_TX path? Do you think 
we can batch this?