Date: Thu, 19 Sep 2019 15:21:15 -0700 From: Johannes Lundberg <johalun@FreeBSD.org> To: Adrian Chadd <adrian.chadd@gmail.com>, Cy Schubert <cy.schubert@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org>, "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>, Tom Jones <thj@freebsd.org>, Poul-Henning Kamp <phk@phk.freebsd.dk> Subject: Re: wlan can't discover known networks after relocating Message-ID: <7938e5fa-67da-35fa-10d0-ee3004438df7@FreeBSD.org> In-Reply-To: <CAJ-VmokYEqjyPJ_VmKUsQoy%2BuwCBDQTVFS0%2BNfN0GD9iXzBOJg@mail.gmail.com> References: <707bcd3f-fa6b-82eb-fa8f-09c4b800f477@FreeBSD.org> <6985.1568738188@critter.freebsd.dk> <20190919122804.GA80037@tom-desk.erg.abdn.ac.uk> <D1396AF2-AA20-4B59-A3E7-B27E4A670A14@lists.zabbadoz.net> <CAJ-Vmon0-3xjNZvwNkPk5yTrrA8o8ZWxG2SesCFB9fkAnn=%2BmA@mail.gmail.com> <E5DF6C2E-F71E-4F66-B92E-56897ED91AA2@cschubert.com> <CAJ-VmokYEqjyPJ_VmKUsQoy%2BuwCBDQTVFS0%2BNfN0GD9iXzBOJg@mail.gmail.com>
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On 9/19/19 3:06 PM, Adrian Chadd wrote: > So roaming in ifconfig/net80211 is what's set to manual. > > wpa_supplicant right now does RSSI threshold based roaming. All of the > roaming and network preferences when wpa_supplicant is running is done > in wpa_supplicant. That's where you have to look. Ideally > wpa_supplicant would be triggering bgscan too periodically rather than > only when the RSSI is low. > > > > -adrian > > > On Thu, 19 Sep 2019 at 15:04, Cy Schubert <cy.schubert@gmail.com > <mailto:cy.schubert@gmail.com>> wrote: > > On September 19, 2019 8:20:07 AM PDT, Adrian Chadd > <adrian.chadd@gmail.com <mailto:adrian.chadd@gmail.com>> wrote: > >Roaming is done in wpa_supplicant when it's running.That's where the > >smarts > >need to be. :( > > > > > > > >-adrian > > > > > >On Thu, 19 Sep 2019 at 05:44, Bjoern A. Zeeb > ><bzeeb-lists@lists.zabbadoz.net > <mailto:bzeeb-lists@lists.zabbadoz.net>> > >wrote: > > > >> On 19 Sep 2019, at 12:28, Tom Jones wrote: > >> > >> Hi, > >> > >> freebsd-wireless might be a better list for all this .. > >> > >> > >> > On Tue, Sep 17, 2019 at 04:36:28PM +0000, Poul-Henning Kamp > wrote: > >> >> -------- > >> >> In message <707bcd3f-fa6b-82eb-fa8f-09c4b800f477@FreeBSD.org>, > >> >> Johannes Lundber > >> >> g writes: > >> >> > >> >>> For a long time now I have had this problem with iwm and wlan0. > >> >>> Whenever > >> >>> I move between work and home it won't reconnect > automatically and > >I > >> >>> have > >> >>> to do wlan0 scan manually for it to pick up the different > >network. > >> >> > >> >> I suffer from the dreaded "reason=0" when I move inside my > house: > >> >> > >> >> > scan > >> >> OK > >> >> <3>CTRL-EVENT-SCAN-RESULTS > >> >> <3>Trying to associate with 6c:3b:6b:3d:a2:e9 > >(SSID='Palombia' > >> >> freq=2452 MHz) > >> >> <3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:3d:a2:e9 reason=0 > >> >> <3>CTRL-EVENT-SCAN-RESULTS > >> >> <3>Trying to associate with 6c:3b:6b:ab:ce:d4 > >(SSID='Palombia' > >> >> freq=2412 MHz) > >> >> <3>Associated with 6c:3b:6b:ab:ce:d4 > >> >> > >> >> a2:e9 is the loudest AP here in my office, but my I have been in > >the > >> >> other end of the house iwn consistently fails to associate > with it > >> >> and > >> >> and keeps picking the weaker AP in the far end. > >> >> > >> >> Eventually (hours!) it disconnects from the weaker ap, also with > >> >> "reason=0" and gets it right: > >> >> > >> >> <3>WPA: Group rekeying completed with 6c:3b:6b:ab:ce:d4 > >[GTK=CCMP] > >> >> <3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:ab:ce:d4 reason=0 > >> >> <3>CTRL-EVENT-SCAN-RESULTS > >> >> <3>Trying to associate with 6c:3b:6b:3d:a2:e9 > >(SSID='Palombia' > >> >> freq=2452 MHz) > >> >> <3>Associated with 6c:3b:6b:3d:a2:e9 > >> >> <3>WPA: Key negotiation completed with 6c:3b:6b:3d:a2:e9 > >[PTK=CCMP > >> >> GTK=CCMP] > >> >> <3>CTRL-EVENT-CONNECTED - Connection to 6c:3b:6b:3d:a2:e9 > >> completed > >> >> [id=3 id_str=] > >> >> <3>WPA: Group rekeying completed with 6c:3b:6b:3d:a2:e9 > >[GTK=CCMP] > >> >> > >> >> And yes, working roaming would be nice too... > >> > > >> > I have the problem that when roaming networks become disabled > >> > > >> > $ wpa_cli > >> > Selected interface 'wlan0' > >> > > >> > Interactive mode > >> > > >> > > list_networks > >> > network id / ssid / bssid / flags > >> > 0 network1 any [CURRENT] > >> > 1 network2 any [DISABLED] > >> > 2 network3 any [DISABLED] > >> > 3 network4 any [DISABLED] > >> > 4 network5 any [DISABLED] > >> > Selected interface 'wlan0' > >> > > >> > > >> > I address this by doing network_enable x in wpa_cli and it all > >comes > >> > back. I asked Adrian about this in the past, but it needs some > >> > debugging > >> > to pin down. > >> > >> > >> Is this iwm(4) as well in your case or another card? > >> > >> /bz > >> _______________________________________________ > >> freebsd-wireless@freebsd.org > <mailto:freebsd-wireless@freebsd.org> mailing list > >> https://lists.freebsd.org/mailman/listinfo/freebsd-wireless > >> To unsubscribe, send any mail to > >"freebsd-wireless-unsubscribe@freebsd.org > <mailto:freebsd-wireless-unsubscribe@freebsd.org> > >> " > >> > >_______________________________________________ > >freebsd-current@freebsd.org <mailto:freebsd-current@freebsd.org> > mailing list > >https://lists.freebsd.org/mailman/listinfo/freebsd-current > >To unsubscribe, send any mail to > >"freebsd-current-unsubscribe@freebsd.org > <mailto:freebsd-current-unsubscribe@freebsd.org>" > > With wpa_supplicant running roaming is set to manual. Bgscan > should be enabled. > > At home we have two n (and 2 g) wifi networks. When powering off > one ap it connects to the other (in addition to using lagg to > failover from ethernet to wifi and back). > > Your wpa_supplicant should contain each ssid you intend to use. A > wildcard can be used for open networks. > > It's a while since I've tested this functionality but I can test > again when I get home tonight. > > > -- > Pardon the typos and autocorrect, small keyboard in use. > Cheers, > Cy Schubert <Cy.Schubert@cschubert.com > <mailto:Cy.Schubert@cschubert.com>> > FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org > > The need of the many outweighs the greed of the few. > Hmm so in other words, you have to set bgscan for each network entry you want roaming? What are some good values for this?
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