Date: Fri, 15 Feb 2013 21:40:23 -0700 From: PseudoCylon <moonlightakkiy@yahoo.ca> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: negotiating HT params at assoc in sta mode Message-ID: <CAFZ_MY%2BrU7dqqQxhc8vey7iKuv%2BmmpFiVqb5cWmm%2BT20nNgX_g@mail.gmail.com> In-Reply-To: <CAJ-VmokXVtzWLHEA=k0Fps7cRYFu%2BA82zk0gt4Y=iZsUyF=Wzg@mail.gmail.com> References: <CAFZ_MYJqKDRjWMZk%2BuA8ciLSi-W0U6_=gdV4FRKhz%2Bqb6o7qEw@mail.gmail.com> <CAJ-VmonO2Fh1ziVo25Z=BxNHoOzW73TF4LycbQk8ZjL6z=_G=g@mail.gmail.com> <CAFZ_MY%2BQQnG2HG9j8kQDGZbLZREuFB4u_RvBsD_o-sccijGFyg@mail.gmail.com> <CAJ-VmokXVtzWLHEA=k0Fps7cRYFu%2BA82zk0gt4Y=iZsUyF=Wzg@mail.gmail.com>
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On Fri, Feb 15, 2013 at 8:54 PM, Adrian Chadd <adrian@freebsd.org> wrote: > On 15 February 2013 18:21, PseudoCylon <moonlightakkiy@yahoo.ca> wrote: >> On Fri, Feb 15, 2013 at 6:20 PM, Adrian Chadd <adrian@freebsd.org> wrote: >>> Hm, that sounds right, what's the code doing wrong? >> >> Currently, it seems the sta sends back ht params the ap included in a >> PROBE_RESP packet. So, the ap could send ampdu packets bigger (in >> byte) than the sta can handle or packet gaps are different from the >> sta wants after ba session is created. (During ba session negotiation, >> these params are not exchanged, only window sizes (frame count), seq >> #, and token.) > > Right. yes, we should be negotiating the ampdu density to be the > maximum of what the AP and STA can associate. > > Same deal with IBSS peers (and mesh peers too, eventually.) Yes. But because of this test http://fxr.watson.org/fxr/source/net80211/ieee80211_ht.c#L2649 only nodes in sta mode are affected. AK > > > > Adrian
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