p2p start listen

Stone stonezju at gmail.com
Mon Dec 19 21:40:58 EST 2011


Hi Jouni,

Do you have a plan to add a function mgmt_rx() with parameter wait and freq
in cfg80211_ops? This is similar with mgmt_tx() in cfg80211_ops.

2011/12/18 Jouni Malinen <j at w1.fi>

> On Sun, Dec 18, 2011 at 08:55:41PM +0800, Huijun Gan wrote:
> > Thanks. My fault that expressed the opposite meaning. I wonder why
> > wpa_drv_probe_req_report() is called first.
> >
> > My understanding on  remain-on-channel is to ensure that the device is
> > on the indicated channel to receive the probe req frames.
>
> Well, these should really be done in an atomic operation, so I don't
> really consider either sequence to be better than the reverse order.
>
> > And besides, for OFFCHANNEL_TX driver, after sending action frame
> > (like GO neg req) out on peer's listen or operating channel, how does
> > our own driver/device know how long it should stay on this channel, to
> > guerantee peer's resp? There is a wait_time parameter when sending
> > action frame, I think this is to ensure TX success (the max time
> > waiting for TX_STATUS, right?).
>
> This depends on the driver capabilities. You can either depend on the
> remain-on-channel operations or use the wait_time to offload this to the
> driver/firmware. In the offload case, the wait_time parameter is the
> time that the device needs to wait for the response.
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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