Date: Tue, 5 Apr 2022 15:41:42 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: "J.R. Oldroyd" <fbsd@opal.com> Cc: Takashi Inoue <inoue.takashi@nihon-u.ac.jp>, FreeBSD wireless mailing list <wireless@freebsd.org> Subject: Re: wifimgr with iwlwifi Message-ID: <alpine.BSF.2.00.2204051540340.68830@ai.fobar.qr> In-Reply-To: <alpine.BSF.2.00.2204012242080.68830@ai.fobar.qr> References: <86sfr5o9hj.fsf@kpiecuch.pl> <2dadd936-7bd6-ad0a-e2f8-b6f0e677b785@nihon-u.ac.jp> <CAN6yY1tQjNUN4r2R3OYkFNSagcGkiA3y1XgU40h5Qe-mz-=Ozw@mail.gmail.com> <20220326165218.4934d148@opal.com> <alpine.BSF.2.00.2204012242080.68830@ai.fobar.qr>
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On Fri, 1 Apr 2022, Bjoern A. Zeeb wrote: > On Sat, 26 Mar 2022, J.R. Oldroyd wrote: > > Hi, > >> On Sat, 26 Mar 2022 09:58:12 -0700 Kevin Oberman <rkoberman@gmail.com> >> wrote: >>> >>> On Sat, Mar 26, 2022 at 3:28 AM Takashi Inoue >>> <inoue.takashi@nihon-u.ac.jp> >>> wrote: >>> >>>> Do you use "wifimgr" which is a GUI tool to select AP. >>>> When I use "if_iwlfiwi.ko", wave strength displayed >>>> in wifimgr is 0 for all access point. >>>> Do you see this phenomenon? Or, does someone see this? >>>> >>>> Best, >>>> Takashi >>>> >>> >>> I'll have to leave the wifimge to others. >> >> Wifimgr parses the output of "ifconfig -v wlanN list scan" in order to >> compute the number of bars to display for the signal strength. >> >> With the iwm driver, I see s/n values like -49:-96 for my network. > > I am actually not sure if the values in iwm are correct; there is a > factor-2 calculation in there which I believe is only done for max tx > power of older cards based on eeprom values but not for the rssi > anymore in iwlwifi. I haven't started digging where that originated, > so hard to say. > > >> But with the iwlwifi driver, the values for the same network are -121:-96 . >> >> This large negative value for the signal strength is causing wifimgr >> to compute the number of bars as 0. > > Quick shot. I just pushed two changes to main for anyone who wants to > try. > > If you are on stable/13 and want to test them early you can (unitl > they'll be merged): > > git cherry-pick -x 4a22cd6c4e5f4fc4a38aa7400742d4005c5ae3de > git cherry-pick -x 60970a328e280b25b05f1d9a9de1ef91af573c4a > > Let me know if values start to look more reasonable. Okay, changes are in stable/13 now as well. Let me know if things got better please. Bjoern -- Bjoern A. Zeeb r15:7home | help
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