> -----Original Message----- > From: Dan Williams [mailto:dcbw@xxxxxxxxxx] > Sent: den 18 augusti 2008 16:34 > To: Lars Ericsson > Cc: 'Ivo van Doorn'; hostap@xxxxxxxxxxxxxxx; > linux-wireless@xxxxxxxxxxxxxxx; rt2400-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: RE: [Rt2400-devel] mac80211 / rt2x00 / rt61 and adhoc status > > On Sun, 2008-08-17 at 22:42 +0200, Lars Ericsson wrote: > > > > > > > Two tests cases, but same behaviour: > > > > > > > 1) Linx.git: 2.6.26 and wpa_supplicant 0.5.9 > > > > > > > 2) rt2x00.git: Version 2.2.0 and wpa_supplicant 0.5.9 > > > > > > > > > > > > Are any beacons going out? Is there anything in the > logs which > > > > > > indicates what is happening? > > > > > > > > > > > > > > > > As you can se in the trace below, the configuration > > > > proceeds and the adhoc > > > > > is created. > > > > > The warnon might give some clues. > > > > > > > > So how about those beacons? are they getting out? > > > > > > > > > > After patching the wpa_suplicant (0.5.9) adhoc works. > > > When first started, as the only part in the adhoc net, the > > > driver just scans > > > around for other adhoc members. > > > This happen in mac80211 state 4 and no beacons are sent, as > > > far as I can > > > tell. Only probe requests are sent. > > > > > > When an other node (N2) shows up in the same adhoc net > work, N2 starts > > > sending beacons immediately. > > > The RT61 catch that and merge that ibss, switch to state 5 > > > and all is fine. > > > At this time ping works in both directions. > > > > > > When removing the second note, leaving the RT61 alone, RT61 > > > starts sending > > > beacons, still in state 5. > > > > The reason for the above behaviour are timeouts. > > - Mac80211 will create an ibss after 20 seconds probing for > existing ibss. > > - Wpa_supplicant will restart this timer every 5 second .... > > > > Changing the wpa timer will make the rt61 start sending > beacons even if no > > other STA is available. > > > > I think that wpa_supplicant 0.5.10 addresses this issue, I > will check and > > come back. > > If fixed your issues about a month or two ago. Either use > wpa_supplicant 0.6.4 and a 2.6.26 kernel, or else grab the following > patches and apply locally: > > wpa_supplicant (committed to 0.6.x): > [PATCH] wpa_supplicant: give adhoc associations a bit more time > ?[PATCH v2] wext: handle mode switches correctly for mac80211 > > kernel (SHA1s from wireless-testing.git, both in 2.6.26): > 872ba53395b2a8be08c3ea2d39e225e5b4a8cb40 mac80211: decrease > IBSS creation latency > 507b06d0622480f8026d49a94f86068bb0fd6ed6 mac80211: send > association event on IBSS create > > You'd need to backport the wpa_supplicant patches to 0.5.x, > or else poke > Jouni and maybe he'll backport them for you. I do want to > get them into > 0.5.x as well. > OK, thanks for the commits and prompt reply. I did poke around before I started debugging but did not found any useful info. Sorry for asking already ready solved questions. I have backported the patches to 0.5.9 and they works fine, as far as I can tell on 2.6.26. I can drop them here if they are of interest. I also vote for putting them into 0.5.x Jouni; would that be possible ? /Lars -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
