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From: Johannes Berg <johannes@sipsolutions.net>
To: Kalle Valo <kalle.valo@iki.fi>
Cc: Javier Cardona <javier@cozybit.com>,
	linux-wireless@vger.kernel.org,
	Andrey Yurovsky <andrey@cozybit.com>,
	linville@tuxdriver.com, devel@lists.open80211s.org
Subject: Re: [PATCH 3/8] mac80211: Simulate transmission losses on plinks to aid in testing mesh metrics.
Date: Sat, 08 Aug 2009 10:46:27 +0200	[thread overview]
Message-ID: <1249721187.31670.11.camel@johannes.local> (raw)
In-Reply-To: <87d476n2vu.fsf@litku.valot.fi>

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On Sat, 2009-08-08 at 11:09 +0300, Kalle Valo wrote:
> Javier Cardona <javier@cozybit.com> writes:
> 
> > This enables us to specify a simulated loss probability per mesh peer link.
> > Useful to simulate and test different mesh topologies and test different mesh
> > metrics.
> >
> > The simulated loss rate setting can be configured as a plink action.  The
> > intended use is:
> >
> > iw dev mesh station set <MAC> plink_action loss 25
> 
> I really would not like to see debug functionality in nl80211 just to
> simplify the maintenance. Debugging belongs to debugfs or somewhere
> else.

I agree, and I also don't think it belongs into mac80211. I think this
is a good case for actually finally writing the userspace frame
forwarding for hwsim, so you can simulate _anything_ with simple
userspace programs.

johannes

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  reply	other threads:[~2009-08-08  8:46 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-08  3:38 Mesh fixes and improvements Javier Cardona
2009-08-08  3:38 ` [PATCH 1/8] mac80211: Improve dequeing from mpath frame queue Javier Cardona
2009-08-08  3:38   ` [PATCH 2/8] mac80211: Use correct sign for mesh active path refresh Javier Cardona
2009-08-08  3:38     ` [PATCH 3/8] mac80211: Simulate transmission losses on plinks to aid in testing mesh metrics Javier Cardona
2009-08-08  3:38       ` [PATCH 4/8] mac80211: Use 3-address format for mesh broadcast frames Javier Cardona
2009-08-08  3:38         ` [PATCH 5/8] mac80211: Update the station failed frames average when minstrel is used Javier Cardona
2009-08-08  3:38           ` [PATCH 6/8] mac80211: Early detection of broken mesh paths when using minstrel Javier Cardona
2009-08-08  3:38             ` [PATCH 7/8] mac80211: Assign a default mesh beaconing interval Javier Cardona
2009-08-08  3:38               ` [PATCH 8/8] mac80211: Moved mpath and mpp growth to mesh workqueue Javier Cardona
2009-08-08  8:09       ` [PATCH 3/8] mac80211: Simulate transmission losses on plinks to aid in testing mesh metrics Kalle Valo
2009-08-08  8:46         ` Johannes Berg [this message]
2009-08-08  9:09 ` Mesh fixes and improvements Johannes Berg
2009-08-09  4:55   ` Javier Cardona
2009-08-10 17:52     ` John W. Linville
2009-08-10 19:15       ` Mesh fixes and improvements [v2] Javier Cardona
2009-08-10 19:15         ` [PATCH 1/7] mac80211: Improve dequeing from mpath frame queue Javier Cardona
2009-08-10 19:15           ` [PATCH 2/7] mac80211: Use correct sign for mesh active path refresh Javier Cardona
2009-08-10 19:15             ` [PATCH 3/7] mac80211: Use 3-address format for mesh broadcast frames Javier Cardona
2009-08-10 19:15               ` [PATCH 4/7] mac80211: Update the station failed frames average when minstrel is used Javier Cardona
2009-08-10 19:15                 ` [PATCH 5/7] mac80211: Early detection of broken mesh paths when using minstrel Javier Cardona
2009-08-10 19:15                   ` [PATCH 6/7] mac80211: Assign a default mesh beaconing interval Javier Cardona
2009-08-10 19:15                     ` [PATCH 7/7] mac80211: Move mpath and mpp growth to mesh workqueue Javier Cardona

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