Date: Thu, 11 Aug 2011 02:04:22 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r224769 - user/adrian/if_ath_tx/sys/dev/ath Message-ID: <201108110204.p7B24MG8070260@svn.freebsd.org>
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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. +
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