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From: Luis Carlos Cobo <luisca@cozybit.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH 07/13] o11s: support for mesh interfaces in mac80211 data path
Date: Fri, 08 Feb 2008 18:18:01 -0800	[thread overview]
Message-ID: <1202523481.7025.76.camel@localhost> (raw)
In-Reply-To: <1202345620.9965.80.camel@johannes.berg>


On Thu, 2008-02-07 at 01:53 +0100, Johannes Berg wrote:
> > +	if (rx->sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
> > +		if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
> > +			if (!((rx->fc & IEEE80211_FCTL_FROMDS) &&
> > +					(rx->fc & IEEE80211_FCTL_TODS)))
> 
> It'd be shorter to write
> 
> 	if (rx->fc ^ (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS))
> 
> but I'm not sure that's easier to understand ;)

Would that work? For data frames rx->fc is 0xYY08 (with YY being the
flags, including fromDS/toDS), so they would always evaluate to true in
that if, regardless of the flags.

-- 
Luis Carlos Cobo Rus       GnuPG ID: 44019B60
cozybit Inc.



  parent reply	other threads:[~2008-02-09  2:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-04 19:17 [PATCH 07/13] o11s: support for mesh interfaces in mac80211 data path Luis Carlos Cobo
2008-02-07  0:53 ` Johannes Berg
2008-02-09  0:36   ` Luis Carlos Cobo
2008-02-11  9:30     ` Johannes Berg
2008-02-09  2:18   ` Luis Carlos Cobo [this message]
2008-02-11  7:50     ` Johannes Berg

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