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From: Johannes Berg <johannes@sipsolutions.net>
To: Ben Greear <greearb@candelatech.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH v9 2/2] mac80211:  Support ht-cap over-rides.
Date: Fri, 18 Nov 2011 18:35:21 +0100	[thread overview]
Message-ID: <1321637721.10266.72.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <4EC69658.8000309@candelatech.com>

On Fri, 2011-11-18 at 09:31 -0800, Ben Greear wrote:

> >>> This looks like it has endian bugs. Note that sband->ht_cap is
> >>> ieee80211_sta_ht_cap, whereas sdata->u.mgd.ht_capa[_mask] is
> >>> ieee80211_ht_cap -- the latter is in IEEE format (LE) while the former
> >>> is in a complete different format that's easier to digest for the
> >>> CPU :-)
> >>
> >> So, the ht-caps&  mask data coming from user-space via netlink
> >> should be in network-byte order?
> >
> > It is that way right now, and that makes sense.
> 
> Ok, I think I am using host-byte-order currently in my iw
> and hostap patches, which is why everything works for me.
> 
> But, I'll flip that all around....

You're using x86 so 802.11 byte order == CPU byte order...

Be careful: "network byte order" usually means big endian...

johannes


  reply	other threads:[~2011-11-18 17:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-17 21:54 [PATCH v9 1/2] wireless: Support ht-capabilities over-rides greearb
2011-11-17 21:54 ` [PATCH v9 2/2] mac80211: Support ht-cap over-rides greearb
2011-11-18 10:15   ` Johannes Berg
2011-11-18 17:09     ` Ben Greear
2011-11-18 17:28       ` Johannes Berg
2011-11-18 17:31         ` Ben Greear
2011-11-18 17:35           ` Johannes Berg [this message]
2011-11-18 10:04 ` [PATCH v9 1/2] wireless: Support ht-capabilities over-rides Johannes Berg
  -- strict thread matches above, loose matches on Subject: below --
2011-11-08 23:15 [PATCH v9 2/2] mac80211: Support ht-cap over-rides greearb

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