From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail022-1.exch022.serverdata.net ([64.78.22.98]:37686 "EHLO mail022-1.exch022.serverdata.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130Ab2DEEWC (ORCPT ); Thu, 5 Apr 2012 00:22:02 -0400 Message-ID: <4F7D1DE4.5000000@posedge.com> (sfid-20120405_062229_121471_70163E14) Date: Thu, 05 Apr 2012 09:51:56 +0530 From: Mahesh MIME-Version: 1.0 To: Johannes Berg CC: linville@tuxdriver.com, linux-wireless@vger.kernel.org, Chakra Parvathaneni Subject: Re: 802.11ac support References: <1329933458.4657.2.camel@jlt3.sipsolutions.net> <1329937072.4657.4.camel@jlt3.sipsolutions.net> <4F471F40.8060503@posedge.com> <1330070145.3426.8.camel@jlt3.sipsolutions.net> <4F4772AB.9000305@posedge.com> (sfid-20120225_202329_108179_7C3BAD32) <1330205424.3509.5.camel@jlt3.sipsolutions.net> (sfid-20120402_104501_564453_6BF9F70F) <1333454805.3574.14.camel@jlt3.sipsolutions.net> In-Reply-To: <1333454805.3574.14.camel@jlt3.sipsolutions.net> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 04/03/2012 05:36 PM, Johannes Berg wrote: > On Mon, 2012-04-02 at 14:07 +0530, Mahesh wrote: > >> I had analysed mac80211 code to see what changes are required for 11ac >> support. Attached word doc describes mac80211 modules in detail and last >> section describing what changes we need for 11ac. This is a proposal. >> Please review and let me know your opinion. > You really shouldn't try to send word documents to the list, they won't > arrive anyway. Also, it's bad form to send out documents that say > "confidential" all over them ... > Most people also probably don't care about your analysis of what > mac80211 already does. > > In any case, here's my list of things I think will/may need to be done > for 11ac in the stack: > * extend regulatory framework (cfg80211) > * advertise VHT capabilities (nl80211/cfg80211/mac80211& each driver) > * advertise VHT in scan (mac80211) > * advertise VHT in assoc req (mac80211) > * advertise VHT in P2P probe responses (wpa_supplicant) > * advertise VHT in AP/GO mode beacons/probe responses > (wpa_supplicant/hostapd) > * handle per-station VHT capa (mac80211, wpa_s) > * extended CSA (mac80211) > * VHT transmit power envelope/extended power constraint (mac80211) > * quiet channels? > * HT/VHT basic rate handling? > * neighbor reports? > * beamforming action frame support? (mac80211) > > johannes > Thanks for listing the 11ac requirements. will work on those and post my updates. ~Mahesh