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From: Dan Williams <dcbw@redhat.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Andy Green <andy@warmcat.com>, Jiri Benc <jbenc@suse.cz>,
	Michael Wu <flamingice@sourmilk.net>,
	James Ketrenos <jketreno@linux.intel.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org
Subject: Re: [PATCH 09/13] mac80211: remove hw_scan callback
Date: Fri, 27 Apr 2007 13:49:22 -0400	[thread overview]
Message-ID: <1177696162.30796.4.camel@localhost.localdomain> (raw)
In-Reply-To: <1177687364.3565.36.camel@johannes.berg>

On Fri, 2007-04-27 at 17:22 +0200, Johannes Berg wrote:
> On Fri, 2007-04-27 at 16:16 +0100, Andy Green wrote:
> 
> > Yeah but this isn't "in hardware" -- it's in firmware: software that
> > runs of a different, vendor-specific, CPU.
> 
> [...]
> 
> Guys, this discussion is deteriorating rapidly!
> 
> The diff to rip out the hw_scan callback is tiny, and since it'd need to
> be worked on anyway to add notification when scanning is done, IMHO it
> is little more work to remove the scan now and add it back in one patch
> including the notification. That just pushes the problem back to those
> people who want/need it and then they can decide if it's worth the
> effort and if they can show that it brings enough advantages.

This discussion has made it pretty clear that if hw_scan ever goes out,
it's going to be really difficult to get it back _in_ at all, even if it
works.

Dan

> The current cfg80211 scanning API is pretty much modeled on the 802.11
> MLME interface and as such should be easy to push through to the
> firmware if necessary, even through mac80211.
> 
> johannes


  parent reply	other threads:[~2007-04-27 17:46 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-23 18:48 [PATCH 01/13] mac80211: Add radiotap support Michael Wu
2007-04-23 18:48 ` [PATCH 02/13] sync with radiotap header in wireless-2.6 Michael Wu
2007-04-23 18:48 ` [PATCH 03/13] mac80211: fix virtual interface related locking Michael Wu
2007-04-23 20:41   ` Jiri Benc
2007-04-23 20:55     ` Michael Wu
2007-04-23 22:20       ` Michael Wu
2007-04-23 20:58   ` Andy Green
2007-04-23 21:21     ` Michael Wu
2007-04-24 18:09       ` Andy Green
2007-04-24 18:24         ` Michael Wu
2007-04-24 18:59           ` John W. Linville
2007-04-25 12:09           ` Johannes Berg
2007-04-23 18:48 ` [PATCH 06/13] mac80211: avoid flush_scheduled_work Michael Wu
2007-04-23 18:48 ` [PATCH 07/13] mac80211: fix configuration concurrency issues in ieee80211_sta.c Michael Wu
2007-04-24 16:19   ` Johannes Berg
2007-04-23 18:48 ` [PATCH 04/13] mac80211: disable tasklets on close Michael Wu
2007-04-23 20:53   ` Jiri Benc
2007-04-23 18:48 ` [PATCH 05/13] mac80211: remove statistics callback for master device Michael Wu
2007-04-23 18:48 ` [PATCH 10/13] mac80211: set bssid to broadcast before scan Michael Wu
2007-04-24 16:24   ` Johannes Berg
2007-04-27 17:40     ` Jiri Benc
2007-04-27 19:49       ` Michael Wu
2007-04-27 21:18         ` Michael Wu
2007-04-27 21:29           ` Michael Wu
2007-04-23 18:48 ` [PATCH 12/13] mac80211: prevent master device from going up without ieee80211 qdisc Michael Wu
2007-04-23 18:48 ` [PATCH 11/13] mac80211: fix issues in " Michael Wu
2007-04-23 18:48 ` [PATCH 09/13] mac80211: remove hw_scan callback Michael Wu
2007-04-24 16:20   ` Johannes Berg
2007-04-26 12:48     ` Michael Wu
2007-04-25  5:03   ` James Ketrenos
2007-04-25 18:16     ` John W. Linville
2007-04-25 20:34       ` Michael Wu
2007-04-26 21:57         ` James Ketrenos
2007-04-27  0:23           ` Michael Wu
2007-04-27  4:14             ` James Ketrenos
2007-04-27  7:44               ` Andy Green
2007-04-27  8:06                 ` James Ketrenos
2007-04-27  8:54                   ` Andy Green
2007-04-27  9:00               ` Jiri Benc
2007-04-27 15:32               ` Michael Wu
2007-04-29 11:55                 ` Guy Cohen
2007-04-27  6:54             ` James Ketrenos
2007-04-27 14:27               ` Michael Wu
2007-05-08 17:08               ` Michael Wu
2007-04-27 14:28             ` Dan Williams
2007-04-27 14:42               ` Jiri Benc
2007-04-27 14:56                 ` Dan Williams
2007-04-27 15:16                   ` Andy Green
2007-04-27 15:22                     ` Johannes Berg
2007-04-27 17:17                       ` James Ketrenos
2007-04-27 17:49                       ` Dan Williams [this message]
2007-04-27 18:09                     ` Dan Williams
2007-04-27 18:52                       ` Andy Green
2007-04-27 15:20                   ` Jiri Benc
2007-04-27 15:30                     ` Andy Green
2007-04-27 15:36                       ` Jiri Benc
2007-04-27 15:52                         ` Andy Green
2007-04-27 17:44                         ` James Ketrenos
2007-04-27 17:02                     ` James Ketrenos
2007-04-27 18:10                       ` Jiri Benc
2007-04-27 19:42                         ` Dan Williams
2007-04-27 19:47                           ` Jiri Benc
2007-04-27 19:52                     ` John W. Linville
2007-04-26  3:03       ` James Ketrenos
2007-04-27 20:47   ` James Ketrenos
2007-04-28 13:25     ` Jiri Benc
2007-04-23 18:48 ` [PATCH 08/13] mac80211: misc cleanups in ieee80211_sta.c Michael Wu
2007-04-23 18:48 ` [PATCH 13/13] mac80211: stop all virtual interfaces when master device goes down Michael Wu
2007-04-23 20:58   ` Jiri Benc
2007-04-24 16:16 ` [PATCH 01/13] mac80211: Add radiotap support Johannes Berg
2007-04-28 13:18 ` Jiri Benc

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