From: Johannes Berg <johannes@sipsolutions.net>
To: Ben Greear <greearb@candelatech.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: Why is wmm_param required for HT40- in mlme.c
Date: Sun, 30 Jan 2011 10:36:48 +0100 [thread overview]
Message-ID: <1296380208.3616.0.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <4D44F94F.8040707@candelatech.com>
On Sat, 2011-01-29 at 21:38 -0800, Ben Greear wrote:
> I tried to set up hostapd to do HT40-, but for whatever reason,
> it's not sending any wmm_param options, so the stations will not
> associate with HT40- enabled due to the check below.
>
> Is it really *reqired* that wmm_param exist to enable HT mode?
>
> From mlme.c:
> if (elems.ht_info_elem && elems.wmm_param &&
> (sdata->local->hw.queues >= 4) &&
> !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
> changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
> cbss->bssid, ap_ht_cap_flags);
802.11n-2009 says it is required.
johannes
next prev parent reply other threads:[~2011-01-30 9:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-30 5:38 Why is wmm_param required for HT40- in mlme.c Ben Greear
2011-01-30 9:36 ` Johannes Berg [this message]
2011-01-30 17:34 ` Ben Greear
2011-01-31 11:03 ` Johannes Berg
2011-01-31 17:35 ` Ben Greear
2011-01-31 17:40 ` Johannes Berg
2011-01-30 17:41 ` Pat Erley
2011-01-31 11:28 ` Jouni Malinen
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