[PATCH v4] lpc32xx: Added ethernet driver
Eric Dumazet
eric.dumazet at gmail.com
Mon Mar 5 19:49:18 EST 2012
On Mon, 2012-03-05 at 22:45 +0000, Ben Hutchings wrote:
> On Mon, 2012-03-05 at 22:40 +0100, Roland Stigge wrote:
> [...]
...
> > + /* Copy packet from buffer */
> > + memcpy(prdbuf,
> > + pldat->rx_buff_v[rxconsidx], len);
> > +
> > + /* Pass to upper layer */
> > + skb->protocol = eth_type_trans(skb, ndev);
> > + netif_rx(skb);
> > + ndev->last_rx = jiffies;
>
> Drivers don't need to set last_rx any more.
Also, a NAPI driver should call netif_receive_skb() instead of
netif_rx()
netif_rx() is more expensive because of additional queue, while
netif_receive_skb() directly calls the upper stacks.
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