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From: Harvey Harrison <harvey.harrison@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH 1/7] mac80211: add helpers for frame control testing
Date: Mon, 09 Jun 2008 09:31:26 -0700	[thread overview]
Message-ID: <1213029086.5974.21.camel@brick> (raw)
In-Reply-To: <1212997265.698.55.camel@johannes.berg>

On Mon, 2008-06-09 at 09:41 +0200, Johannes Berg wrote:
> > +static inline int ieee80211_data_has_qos(__le16 fc)
> > +{
> > +	/*
> > +	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
> > +	 * to check the one bit
> > +	 */
> > +	return (fc &
> > +	       cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
> > +	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
> > +}
> 
> Shouldn't that rather be _is_qos_data?
> 

I don't think so....I was trying to keep it so _is_ meant an exact comparison and
_has_ was checking the presence of particular bits.

As this helper only checks for the one bit being set, I chose _has_.

Harvey


  reply	other threads:[~2008-06-09 16:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-06 17:51 [PATCH 1/7] mac80211: add helpers for frame control testing Harvey Harrison
2008-06-09  7:37 ` Johannes Berg
2008-06-09 16:25   ` Harvey Harrison
2008-06-09  7:41 ` Johannes Berg
2008-06-09 16:31   ` Harvey Harrison [this message]
2008-06-09 17:21     ` Johannes Berg
2008-06-09 17:43       ` Harvey Harrison
2008-06-09 17:46         ` Johannes Berg
2008-06-09 17:54           ` Harvey Harrison
2008-06-09 18:02             ` Johannes Berg
2008-06-09 18:22               ` Harvey Harrison
2008-06-09 18:27                 ` Johannes Berg

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