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SubjectRe: [RFC PATCH 34/35] Add the Xen virtual network device driver.
* Stephen Hemminger (shemminger@osdl.org) wrote:
> The stuff in /proc could easily just be added attributes to the class_device kobject
> of the net device (and then show up in sysfs).

Agreed, it's on the todo list to drop proc support there. Thought that
was marked in the patch.

> > +#define GRANT_INVALID_REF 0
> > +
> > +#define NET_TX_RING_SIZE __RING_SIZE((struct netif_tx_sring *)0, PAGE_SIZE)
> > +#define NET_RX_RING_SIZE __RING_SIZE((struct netif_rx_sring *)0, PAGE_SIZE)
> > +
> > +static inline void init_skb_shinfo(struct sk_buff *skb)
> > +{
> > + atomic_set(&(skb_shinfo(skb)->dataref), 1);
> > + skb_shinfo(skb)->nr_frags = 0;
> > + skb_shinfo(skb)->frag_list = NULL;
> > +}
>
> Could you use existing sk_buff_head instead of inventing your
> own skb queue?

Hmm, there is some standard skb_queue_tail happening. I don't have a
clear idea what you mean.

> > + u8 mac[ETH_ALEN];
>
> Isn't mac address already stored in dev->dev_addr and/or dev->perm_addr?

Yes, I don't see the reason to keep in twice. It's basically a temp
buffer, but it certainly appears we can eliminate it.

thanks,
-chris
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