From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:42313 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754217AbYGIOtD (ORCPT ); Wed, 9 Jul 2008 10:49:03 -0400 Subject: Re: [PATCH 1/3] mac80211: Include sequence number in IBSS and Mesh beacons From: Johannes Berg To: Ivo van Doorn Cc: Michael Buesch , "John W. Linville" , linux-wireless@vger.kernel.org, rt2400-devel@lists.sourceforge.net In-Reply-To: <200807091637.02090.IvDoorn@gmail.com> (sfid-20080709_162814_035311_2A5B7D8C) References: <200807091511.14288.IvDoorn@gmail.com> <200807091600.44437.mb@bu3sch.de> <1215612322.3246.12.camel@johannes.berg> <200807091637.02090.IvDoorn@gmail.com> (sfid-20080709_162814_035311_2A5B7D8C) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-iXU9RCYm4AmeJutV5F7F" Date: Wed, 09 Jul 2008 16:48:15 +0200 Message-Id: <1215614895.3246.17.camel@johannes.berg> (sfid-20080709_164915_175838_8AC6FFFC) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-iXU9RCYm4AmeJutV5F7F Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > If rt2x00 would use a global lock to block all TX and beacons, then yes. > But rt2x00 uses per-queue locking. When a beacon is being updated rt2x00 > will still allow regular frames to be queued. That just widens the window. And if you have multiple queues then you can't do sw sequence numbers anyway because the hardware might reorder the frames. > As far as rt2x00 is concerned, all hardware that supports multi-bss also > support HW sequence counters. rt2400pci and rt2500pci are the only ones > requiring SW sequence counters, and they can't do multi-bss. Do they keep per-BSS counters? johannes --=-iXU9RCYm4AmeJutV5F7F Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJIdM+rAAoJEKVg1VMiehFY3C8QALlH4rBcsfr1VFQbgo7G4nEt f3s+hZGXfsyWels7IdKJk57NETtLPKj1lIgadds9CXaNX2u3+4RJVjNK/y0HO+4E I4xUaO4iSqqfsEu4NClSxhJtO7iFMlg5XPMMUYrJI9hOlggTDMZ5IIXYziWmT9sr QobMYTyOcD24zqNRDm3Roz2GXRyH4VycLeKoMerNuLXNiesEJ6avkCdOdBnw4sdY BmLQdePSa8UoXU+lPVmhrjQ8s5oJ9T2+Pz8U7CQ5hBvzTAvDPUT8dfwMBze6Pfg6 dDR1t6IbzKZLyYCxLLLRT3iTBD+DCXGjrVMwqKN2oAKNof0KbHJv34N74g1IyYbS RtrkDnRybEwRohsSYjV4dxO7oZQgqVUWiwn2JlZr16XrC6oIyt5o0ICmYj6fy6MA mx2MUkzpfkmI9ALreU1uz98JzihnfVMl8iwx4bo2oLgBgKV+vCZECqc2cu/nd6He 2U9Hc8ljpaiy5vhejHLljXMNk2sMVwmbWJc84mYK/R24LClcTruUFuaL84ArcaPX RPCDFLm3QY/id4eq2b6apPo4Np+CFTj/WSYzmYk4fJwIDZ8vZoTq1yXbt+tIIK6T kJno6dM+5YQ5XZTUc+xzfGkKxUvI4z1N4bTjfxQky8JpmKGZIPsyuUE+yoLPsfXt 2RSQGW5SKP64K8ka2uyj =tH+q -----END PGP SIGNATURE----- --=-iXU9RCYm4AmeJutV5F7F--