From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:38385 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755881AbZDBKD0 (ORCPT ); Thu, 2 Apr 2009 06:03:26 -0400 Subject: Re: [PATCH] mac80211: Always send a null data frame if TIM bit is set. From: Johannes Berg To: Kalle Valo Cc: Vivek Natarajan , linux-wireless@vger.kernel.org, Ivo van Doorn In-Reply-To: <87ocvfiovd.fsf@litku.valot.fi> (sfid-20090402_075231_784877_7FBB0EC4) References: <20090302145030.GA4660@myhost.users.atheros.com> <8e92b4100903312115l2f013083jf507b66f8449a63a@mail.gmail.com> <87ocvfiovd.fsf@litku.valot.fi> (sfid-20090402_075231_784877_7FBB0EC4) Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-fGRrC25B8aTPJ7JPfpjT" Date: Thu, 02 Apr 2009 12:02:51 +0200 Message-Id: <1238666571.4141.14.camel@johannes.local> (sfid-20090402_120330_300060_EA391D4B) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-fGRrC25B8aTPJ7JPfpjT Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2009-04-02 at 08:52 +0300, Kalle Valo wrote: > I really would like to have some frame ack callback to mac80211, even > not all drivers support that. Otherwise we cannot reliably go to power > save because the AP might not receive our nullfunc frame. I have to > think about this and I'll try to propose something later on. I suppose we could well assume that we do get TX status for those devices that do support power save -- which devices would that affect? johannes --=-fGRrC25B8aTPJ7JPfpjT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJJ1I1IAAoJEKVg1VMiehFYCRkP/0W/r0XEPkzFDv7Dt37fuVRK uN0716NwRKXH99PC5WgN2hvZh3rztuLON2E3YVsg8pku5v09bpbSQOrmQ82mVkCC Saj0588UW+EIiVG0SPNfYz3HjptYPVL5Rlq3KrKuWnF1BRgUUn/W8Tm67OZjs6ML jRooHQ70d/0iRf6SkRWbRMPbRvT4YpLbMA2KPq82WW01eiAt6oXy/NvpwqD3n0/J s+7jTOGnA+Gl6p02tlawWNAu7zjw5lIhCVi9OqoG8Eysg86noFBF+995QBfR6xsY nyoQZT6EhQU/IjMzFEmiqJk17NKcD52F6sbSsZWRMYu9nQhqm+dNRUYDEfF+SI+n y3GJIOT+v8n0h+g8qFiiotHVclRmB+pYzGHF6Je5rGkolAODlZd2mQDGSsTl6AwH NemkyFK/gVTVT2b0vdpGw1t6mW1mecq9/qJ3L8iYvjYjto6NnK/TUrISNWm+IgD2 vARGyDw3pIzaRfrMxFnoZEylevHZzxipQJ4a8eq3ebLg3vdQYpk6UpZeHKBTj9PI RggRCHVZpJOC0VNHanFq7PDBt6vd+ZEGuQslbn26BGfdkOQ6SD7h5MWS/Omt1MmC b++Isp65KWjangJL+YcmViKqD2oxEAi6EB8+lbtER/rzf4uI4iUImsLc/7q/iOrz EgL9MnOIo57iEUGyDwep =LzJd -----END PGP SIGNATURE----- --=-fGRrC25B8aTPJ7JPfpjT--