Re: RTNET setup issue

From: "François Legal" <devel@thom.fr.eu.org>
To: Paal Tamas <paal_to@freemail.hu>
Cc: xenomai@xenomai.org
Subject: Re: RTNET setup issue
Date: Wed, 23 Mar 2022 14:37:28 +0100	[thread overview]
Message-ID: <d01-623b2280-33-400dfa00@254400388> (raw)
In-Reply-To: <freemail.20220323140747.6187.1@fmxmldata10.freemail.hu>

Le Mercredi, Mars 23, 2022 14:07 CET, Paal Tamas <paal_to@freemail.hu> a écrit:

>
> "François Legal" <devel@thom.fr.eu.org> írta:
> >Le Mercredi, Mars 23, 2022 10:48 CET, Paal Tamas via Xenomai <xenomai@xenomai.org> a écrit:
> >
> >> Dear All,   I am trying to set up RTNET using the latest xenomai_3.2.1 on an x86_64 system. I need only the raw packet (e.g rtpacket layer). I tried a lot of things but I still got errors like:  ioctl: Inappropriate ioctl for device    I try to use this PCI device:
> >> 01:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)
> >>     Subsystem: Intel Corporation Gigabit ET Dual Port Server Adapter
> >>     Kernel driver in use: rt_igb
> >>     Kernel modules: igb, rt_igb   What I do is: ifconfig enp1s0f0 down
> >> ifconfig enp1s0f1 down
> >> rmmod igbmodprobe rtnet
> >> modprobe rtpacket
> >> modprobe rt_igb
> >> modprobe rtipv4
> >> modprobe rtudp  set up the rtnet.conf file and start rtnet: /usr/xenomai/sbin$ sudo ./rtnet start
> >> ioctl: Inappropriate ioctl for device
> >> ioctl: Inappropriate ioctl for device
> >> ioctl: Inappropriate ioctl for device
> >> Stage 1: searching for master...ioctl: Inappropriate ioctl for deviceStage 2: waiting for other slaves...
> >> Stage 3: waiting for common setup completion...ioctl: Inappropriate ioctl for deviceclickandmove@clickandmove-desktop:/usr/xenomai/sbin$ sudo /usr/xenomai/sbin/rtifconfig -a
> >> ioctl: Inappropriate ioctl for device   The kernel log:  [   50.360253] igb 0000:01:00.1: removed PHC on enp1s0f1
> >> [   50.553797] igb 0000:01:00.0: removed PHC on enp1s0f0
> >> [   81.769798] RTnet: registered rteth0
> >> [   81.769802] rt_igb 0000:01:00.0: Intel(R) Gigabit Ethernet Network Connection
> >> [   81.769804] rt_igb 0000:01:00.0: rteth0: (PCIe:2.5Gb/s:Width x1) 6c:b3:11:56:2e:32
> >> [   81.769807] rt_igb 0000:01:00.0: rteth0: PBA No: Unknown
> >> [   81.769808] rt_igb 0000:01:00.0: Using MSI-X interrupts. 1 rx queue(s), 1 tx queue(s)
> >> [   81.777139] rt_loopback: initializing loopback interface...
> >> [   81.777315] RTnet: registered rtlo
> >> [   81.787311] RTcfg: init real-time configuration distribution protocol
> >> [   81.793326] RTmac: init realtime media access control
> >> [   81.800424] RTmac/TDMA: init time division multiple access control mechanism   Even rtifconfig returns the same error  /usr/xenomai/sbin/rtifconfig -aioctl: Inappropriate ioctl for device   What am I doing wrong? Thank you,Tamas
> >>
> >
> > Hello,
> >
> >what makes you think it does not work ? Using the rtnet script, you&#39;re trying to configure rtmac & rtcfg which you stated are not necessary for your setup.
> >
> >Have you tried only rtifconfig rteth* up and checked the Tx/Rx counters displayed there ?
> >
> >François
>
> >Hello,  The "rtifconfig rteth0 up" command returns the  "ioctl: Inappropriate ioctl for device" error too. That&#39;s why I think something is wrong. Thank you,Tamas

 Alright,

then you might want to take a look at the source code of the e1000 driver to verify that your device is supported by the xenomai release your using (you should find the PCI dev/prod id in some header file)

François