CINXE.COM

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>LKML: Michael Buesch: Re: Broadcom 43xx first results</title><link href="/css/message.css" rel="stylesheet" type="text/css" /><link href="/css/wrap.css" rel="alternate stylesheet" type="text/css" title="wrap" /><link href="/css/nowrap.css" rel="stylesheet" type="text/css" title="nowrap" /><link href="/favicon.ico" rel="shortcut icon" /><script src="/js/simple-calendar.js" type="text/javascript"></script><script src="/js/styleswitcher.js" type="text/javascript"></script><link rel="alternate" type="application/rss+xml" title="lkml.org : last 100 messages" href="/rss.php" /><link rel="alternate" type="application/rss+xml" title="lkml.org : last messages by Michael Buesch" href="/groupie.php?aid=30890" /><script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(["setDoNotTrack", true]); _paq.push(["disableCookies"]); _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function() { var u="//m.lkml.org/"; _paq.push(['setTrackerUrl', u+'matomo.php']); _paq.push(['setSiteId', '1']); var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0]; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s); })(); </script></head><body onload="es.jasper.simpleCalendar.init();" itemscope="itemscope" itemtype="http://schema.org/BlogPosting"><table border="0" cellpadding="0" cellspacing="0"><tr><td width="180" align="center"><a href="/"><img style="border:0;width:135px;height:32px" src="/images/toprowlk.gif" alt="lkml.org" /></a></td><td width="32">聽</td><td class="nb"><div><a class="nb" href="/lkml"> [lkml]</a> 聽 <a class="nb" href="/lkml/2005"> [2005]</a> 聽 <a class="nb" href="/lkml/2005/12"> [Dec]</a> 聽 <a class="nb" href="/lkml/2005/12/7"> [7]</a> 聽 <a class="nb" href="/lkml/last100"> [last100]</a> 聽 <a href="/rss.php"><img src="/images/rss-or.gif" border="0" alt="RSS Feed" /></a></div><div>Views: <a href="#" class="nowrap" onclick="setActiveStyleSheet('wrap');return false;">[wrap]</a><a href="#" class="wrap" onclick="setActiveStyleSheet('nowrap');return false;">[no wrap]</a> 聽 <a class="nb" href="/lkml/mheaders/2005/12/7/127" onclick="this.href='/lkml/headers'+'/2005/12/7/127';">[headers]</a>聽 <a href="/lkml/bounce/2005/12/7/127">[forward]</a>聽 </div></td><td width="32">聽</td></tr><tr><td valign="top"><div class="es-jasper-simpleCalendar" baseurl="/lkml/"></div><div class="threadlist">Messages in this thread</div><ul class="threadlist"><li class="root"><a href="/lkml/2005/12/4/90">First message in thread</a></li><li><a href="/lkml/2005/12/6/152">Harald Welte</a><ul><li><a href="/lkml/2005/12/6/272">Jeff Garzik</a><ul><li><a href="/lkml/2005/12/6/333">Stephen Hemminger</a></li><li><a href="/lkml/2005/12/7/10">Harald Welte</a></li></ul></li><li><a href="/lkml/2005/12/6/397">"David S. Miller"</a><ul><li><a href="/lkml/2005/12/6/406">Jeff Garzik</a></li><li class="origin"><a href="/lkml/2005/12/8/62">Michael Buesch</a><ul><li><a href="/lkml/2005/12/8/62">Jiri Benc</a></li></ul></li></ul></li></ul></li></ul></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerl.gif" width="32" height="32" alt="/" /></td><td class="c" rowspan="2" valign="top" style="padding-top: 1em"><table><tr><td><table><tr><td class="lp">From</td><td class="rp" itemprop="author">Michael Buesch <></td></tr><tr><td class="lp">Subject</td><td class="rp" itemprop="name">Re: Broadcom 43xx first results</td></tr><tr><td class="lp">Date</td><td class="rp" itemprop="datePublished">Wed, 7 Dec 2005 14:34:22 +0100</td></tr></table></td><td></td></tr></table><pre itemprop="articleBody">On Wednesday 07 December 2005 00:19, you wrote:<br />> From: Harald Welte <laforge@gnumonks.org><br />> Date: Tue, 6 Dec 2005 20:40:47 +0530<br />> <br />> > I'm also in favor of merging the devicescape code, but I don't see it<br />> > happening without somebody taking care to provide all the required<br />> > levels of interfaces (I see at least three levels of API's that a wireless<br />> > driver would need, depending on how much stuff is done in<br />> > hardware/firmware and how much in software.<br />> <br />> I hate to say this, but part of the problem is exactly the fact<br />> that all the implementors have implemented different levels of<br />> hardware-MAC'ness in their wireless products.<br />> <br />> Stated even further, things might have been more consistent if M$ had<br />> specified a set of driver interfaces into their own softmac stack,<br />> which I am to understand they are working on now.<br />> <br />> So every M$ wireless driver essentially links in their own softmac<br />> stack, if needed.<br />> <br />> This has resulted in a complicated situation for an already<br />> complicated technology. Therefore, the fact that it's taking this<br />> long to accomodate all of the cases in the vanilla tree is quite<br />> understandable.<br />> <br />> I'm at the point where I frankly don't care which softmac<br />> implementation we go with, but rather I'm more concerned that we pick<br />> _ONE_ and just stick with it, and then adding the necessary interfaces<br />> and infrastructure as different wireless devices require.<br />> <br />> Yes, you hear me right, it's more important to agree to one<br />> implementation as the basis, even if it's the worst one currently.<br />> Division of labor is something we simply cannot afford on the wireless<br />> stack at this time.<br /><br />I agree with you, and that is exactly what we are doing:<br />We take the existing code and add functionality to it. If the<br />added functionality is an external module, well, consinder this<br />as an extra cookie for devices which do not need MAC handling.<br /><br />-- <br />Greetings Michael.<br />[unhandled content-type:application/pgp-signature]</pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2005-12-07 14:38 聽聽 [from the cache]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>