# Re: \[PATCH net-next v2 5/6\] net: stmmac: Add support for XDP\_TX action

- From: Jakub Kicinski \<kuba@kernel.org\>
- Date: 2021-03-31 02:49:41 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/03/6322044
- Thread: https://ratatoskr.run/netdev/2021/03/6320558/t.md

```text
On Tue, 30 Mar 2021 10:49:48 +0800 Ong Boon Leong wrote:
> +	__netif_tx_lock(nq, cpu);
> +	res = stmmac_xdp_xmit_xdpf(priv, queue, xdpf);
> +	if (res == STMMAC_XDP_TX) {
> +		stmmac_flush_tx_descriptors(priv, queue);
> +		stmmac_tx_timer_arm(priv, queue);
> +	}
> +	__netif_tx_unlock(nq);

You may want to update nq->trans_start, see commit ec107e775d843
```