Re: [RFT/C 7/7] mac80211: move TX info into skb->cb

[Ivo van Doorn <ivdoorn@gmail.com>]

On Monday 12 May 2008, David Miller wrote:
> From: Johannes Berg <johannes@sipsolutions.net>
> Date: Sun, 11 May 2008 00:18:52 +0200
> 
> > This patch converts mac80211 and all drivers to have transmit
> > information and status in skb->cb rather than allocating extra
> > memory for it and copying all the data around. To make it fit,
> > a union is used where only data that is necessary for all steps
> > is kept outside of the union.
> > 
> > A number of fixes were done by Ivo, as well as the rt2x00 part
> > of this patch.
> > 
> > Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
> > Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
> 
> Please create an IEEE80211_SKB_CB() or similar macro to wrap
> these casts around with, like all other SKB CB users do.

Johannes, I have such a function in rt2x00queue.h:

static inline struct ieee80211_tx_info* get_skb_tx_info(struct sk_buff *skb)
{
	return (struct ieee80211_tx_info *)skb->cb;
}

You could rename it and move that one into mac80211.h

Ivo