Re: [PATCH -next] mac80211: Use #define IEEE80211_CCMP_PN_LEN and bool

[Joe Perches]

On Mon, 2015-03-30 at 22:01 +0200, Johannes Berg wrote:
> On Mon, 2015-03-30 at 09:37 -0700, Joe Perches wrote:
> 
> > @@ -89,11 +90,11 @@ struct ieee80211_fragment_entry {
> >  	unsigned int last_frag;
> >  	unsigned int extra_len;
> >  	struct sk_buff_head skb_list;
> > -	int ccmp; /* Whether fragments were encrypted with CCMP */
> > -	u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
> > +	/* for CCMP fragments */
> > +	bool ccmp;				/* encrypted with CCMP */
> > +	u8 last_pn[IEEE80211_CCMP_PN_LEN];	/* PN of the last fragment */
> 
> I took your patch as an opportunity to check into this, and it turns out
> all of this logic is also going to be needed for GCMP. As a result, I'm
> not going to take this patch but instead we'll fix it up for GCMP (where
> using CCMP_PN_LEN would not be appropriate anyway - perhaps we need a
> union or just keep '8' which is the right size for both anyway, or we'll
> go to a u64 value or something)

No worries.  Whatever's right.


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