Re: [RFC v2] mac80211: assign needed_headroom/tailroom for netdevs

David Miller
2008-05-13T05:01:27Z

From: David Miller <davem@davemloft.net>
Date: Mon, 05 May 2008 15:37:30 -0700 (PDT)

Just a heads up that I'm adding this to my tree as well.

> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index f35eaea..86f0e36 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -1562,13 +1562,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
> * be cloned. This could happen, e.g., with Linux bridge code passing
> * us broadcast frames. */
>
> - if (head_need > 0 || skb_cloned(skb)) {
> + if (head_need > 0 || skb_header_cloned(skb)) {
> #if 0
> printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
> "of headroom\n", dev->name, head_need);
> #endif
>
> - if (skb_cloned(skb))
> + if (skb_header_cloned(skb))
> I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
> else
> I802_DEBUG_INC(local->tx_expand_skb_head);