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Re: [PATCH] don't use net/ieee80211.h

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On Wed, 2008-10-29 at 15:27 +0000, Dave wrote:

> > -static inline u8 *orinoco_get_ie(u8 *data, size_t len,
> > -				 enum ieee80211_mfie eid)
> > +static inline u8 *orinoco_get_ie(u8 *data, size_t len, u8 eid)
> 
> Would it be better to change to enum ieee80211_eid here?

Not sure. You could very well use it to find arbitrary IEs that don't
have constants, or find dynamic ones based on a u8 variable. I don't
really care, up to you, which would you prefer?

> > @@ -839,7 +838,8 @@ static int orinoco_change_mtu(struct net
> >  	if ( (new_mtu < ORINOCO_MIN_MTU) || (new_mtu > ORINOCO_MAX_MTU) )
> >  		return -EINVAL;
> >  
> > -	if ( (new_mtu + ENCAPS_OVERHEAD + IEEE80211_HLEN) >
> > +	/* MTU + encapsulation + header length */
> > +	if ( (new_mtu + ENCAPS_OVERHEAD + 24) >
> 
> I think that constant should be 30. I'd prefer it if we didn't use a
> magic number here. How about sizeof(ieee80211_hdr)?

I wanted to use sizeof, but then I checked and realised the driver
doesn't support WDS mode, so it never needs a 4-addr header format, so
24 is the right header size.

> > @@ -3289,7 +3289,7 @@ static int orinoco_init(struct net_devic
> >  
> >  	/* No need to lock, the hw_unavailable flag is already set in
> >  	 * alloc_orinocodev() */
> > -	priv->nicbuf_size = IEEE80211_FRAME_LEN + ETH_HLEN;
> > +	priv->nicbuf_size = IEEE80211_MAX_FRAME_LEN + ETH_HLEN;
> 
> Note that this changes nicbuf_size from 2334 to 2352. I don't expect any
> problems, and haven't noticed anything while running my version with
> this change.

Oh. I wasn't aware the constants differed. What's this used for?

johannes

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