From owner-svn-src-user@FreeBSD.ORG Thu Aug 11 02:04:22 2011 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3EF58106566B; Thu, 11 Aug 2011 02:04:22 +0000 (UTC) (envelope-from adrian@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 2EBE98FC0C; Thu, 11 Aug 2011 02:04:22 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id p7B24MPQ070261; Thu, 11 Aug 2011 02:04:22 GMT (envelope-from adrian@svn.freebsd.org) Received: (from adrian@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id p7B24MG8070260; Thu, 11 Aug 2011 02:04:22 GMT (envelope-from adrian@svn.freebsd.org) Message-Id: <201108110204.p7B24MG8070260@svn.freebsd.org> From: Adrian Chadd Date: Thu, 11 Aug 2011 02:04:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r224769 - user/adrian/if_ath_tx/sys/dev/ath X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Aug 2011 02:04:22 -0000 Author: adrian Date: Thu Aug 11 02:04:21 2011 New Revision: 224769 URL: http://svn.freebsd.org/changeset/base/224769 Log: Include a TODO/README file with things I come across during this development and things I should likely fix/think about. Added: user/adrian/if_ath_tx/sys/dev/ath/README Added: user/adrian/if_ath_tx/sys/dev/ath/README ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/adrian/if_ath_tx/sys/dev/ath/README Thu Aug 11 02:04:21 2011 (r224769) @@ -0,0 +1,35 @@ +Things that need doing! + +* RIFS? Do I care about supporting RIFS? + +* Fast Frames? Do I care about supporting FF here, or is it done via suitable + evilness in net80211? + +* A-MPDU aggregation? + + how many pending A-MPDU frames per hardware TXQ? As many as needed? One? + +* Software retransmit when aggregation is enabled + + Whether doing A-MPDU or not + + Support rate updates and lookup on a retry; maybe a slower rate + is needed? + +* Send BAR when needed + + after TX failure + + when else? + +* DELBA - ie, downgrade existing packets in the SWQ + + What about stuff in the HWQ? + +* 20<->2040 mode change? + + part of this project or not? + + right now packets are simply flushed; why not just re-prod them into + the software TXQ ? + +Things that need investigating! + +* How should channel scanning be handled? Right now it's causing both a HW TXQ + and SW TXQ / node flush; this means the BAW will need to be slid along. Eek. + +* When a node is flushed (but not being deleted) should the BAW also be updated? + I don't think it is right now and this could be incorrect. +