On Fri, Apr 16, 2021 at 08:36:53PM +0800, Yangbo Lu wrote: > @@ -628,9 +620,7 @@ static netdev_tx_t dsa_slave_xmit(struct sk_buff *skb, struct net_device *dev) > > DSA_SKB_CB(skb)->clone = NULL; > > - /* Identify PTP protocol packets, clone them, and pass them to the > - * switch driver > - */ > + /* Handle tx timestamp request if has */ "if has" what? > dsa_skb_tx_timestamp(p, skb); > > if (dsa_realloc_skb(skb, dev)) { > -- > 2.25.1 > Thanks, Richard