On Tue, Feb 13, 2018 at 10:29 PM, Greg Gallagher <g...@embeddedgreg.com> wrote:
> I'll defer to someone with more experience with RTNet, but I'd confirm
> that you have the correct drivers loaded, and that you don't see any
> errors in the kernel log.  Are the non-realtime drivers loaded?
>

Yes, all driver modules are loaded I guess.
If you are pointing to any thing specific please let me know.


> -Greg
>
> On Tue, Feb 13, 2018 at 11:25 AM, Pintu Kumar <pintu.p...@gmail.com> wrote:
>> On Tue, Feb 13, 2018 at 8:09 PM, Greg Gallagher <g...@embeddedgreg.com> 
>> wrote:
>>> Have you confirmed that the rtnet drivers for your system are loaded?
>>> Are they built into the kernel or built as modules?
>>>
>>
>> Yes, I have enabled RTDM and RTNET in kernel confirm as loadable
>> module (M), and rent drivers are loaded successfully.
>> As I said before, all the rtnet modules are visible from lsmod.
>>
>> Also, as I said rtnet loopback (rtlo) is working fine.
>> But rteth0 does not come up using rent script.
>>
>> I even tried forcefully reserving the interface name to (eth0, eth1)
>> by passing kernel command line argument.
>> Now the interface name is shown as : eth0, eth1 (instead of enp0*)
>>
>> But still I am not able to get rteth0, rteth1 interface.
>>
>> Is there any thing I am missing?
>>
>> Thanks,
>> Pintu
>>
>>
>>> -Greg
>>>
>>> On Tue, Feb 13, 2018 at 8:26 AM, Pintu Kumar <pintu.p...@gmail.com> wrote:
>>>> Hi,
>>>>
>>>> I am expecting some reply again with rtnet setup on ubuntu (virtual
>>>> box) using version: 4.9.62-pintu-xeno-3.0.6+
>>>> Note: I am using virtual box for experimental purpose before moving it
>>>> to the actual hardware
>>>>
>>>> I haven't got any reply with my previous query so I am top posting again.
>>>>
>>>> I am trying to verify UDP client/server socket communication using
>>>> rtnet interface.
>>>> Using loopback (rtlo with local address 127.0.0.1) it is working fine.
>>>>
>>>> But, I have no success using the rteth0/1 (actual ip address) interface.
>>>>
>>>> In my machine the network interface names are shown like below:
>>>> 1) enp0s3
>>>>                  inet addr:10.0.2.15
>>>> 2) enp0s8
>>>>                  inet addr:192.168.56.101
>>>>
>>>> When I try to start rtnet, I get these errors:
>>>>
>>>> $ sudo /usr/xenomai/sbin/rtnet start
>>>> rteth0: ERROR while getting interface flags: No such device
>>>> rteth0-mac: ERROR while getting interface flags: No such device
>>>> ioctl: No such device
>>>> ioctl: No such device
>>>> ioctl: No such device
>>>> ioctl: No such device
>>>> ioctl (add): No such device
>>>> ioctl (add): No such device
>>>> ioctl (add): No such device
>>>> vnic0: ERROR while getting interface flags: No such device
>>>> SIOCSIFADDR: No such device
>>>> vnic0: ERROR while getting interface flags: No such device
>>>> Waiting for all slaves...ioctl: No such device
>>>> ioctl: No such device
>>>>
>>>> After this I see only rtlo is up, and I could not find rteth* device.
>>>>
>>>> 3) rtlo
>>>>
>>>> 4) $ sudo /usr/xenomai/sbin/rtifconfig
>>>>           rtlo      Medium: Local Loopback
>>>>                      IP address: 127.0.0.1
>>>>                      UP LOOPBACK RUNNING  MTU: 1500
>>>>
>>>>
>>>> 5) In the rtnet script I tried replacing the eth0 interface with my
>>>> system interface name, but that also did not help.
>>>>
>>>> So, please let me know how to bring up rteth0 interface on my system ?
>>>>
>>>>
>>>> Hope I will get some help this time to proceed.
>>>> Please help!
>>>>
>>>>
>>>> Thanks,
>>>> Pintu
>>>>
>>>>
>>>> On Tue, Jan 16, 2018 at 7:06 PM, Pintu Kumar <pintu.p...@gmail.com> wrote:
>>>>> Ok, I think I found the problem.
>>>>>
>>>>>> modprobe: FATAL: Module rttcp not found in directory
>>>>>
>>>>> 1)
>>>>> I think the rttcp module is disabled in the kernel.
>>>>>
>>>>> drivers/xenomai/net/stack/ipv4/Kconfig:
>>>>> # source "drivers/xenomai/net/stack/ipv4/tcp/Kconfig"
>>>>>
>>>>> But I wonder, why the rttcp is commented out in the kernel source.
>>>>> Is there any problem using tcp on xenomai ?
>>>>>
>>>>>
>>>>> 2)  If I remove "tcp" from rtnet.conf and also make RTCAP as "no", I
>>>>> am able to run the rtnet script.
>>>>> But, I still get the following errors:
>>>>>
>>>>> # sudo /usr/xenomai/sbin/rtnet start
>>>>> ioctl: No such device
>>>>> ioctl: No such device
>>>>> ioctl: No such device
>>>>> ioctl: No such device
>>>>> ioctl (add): No such device
>>>>> ioctl (add): No such device
>>>>> ioctl (add): No such device
>>>>> vnic0: ERROR while getting interface flags: No such device
>>>>> SIOCSIFADDR: No such device
>>>>> vnic0: ERROR while getting interface flags: No such device
>>>>> SIOCSIFNETMASK: No such device
>>>>> Waiting for all slaves...ioctl: No such device
>>>>> ioctl: No such device
>>>>>
>>>>>
>>>>> However, the rt_ modules are getting installed.
>>>>>
>>>>> # lsmod | grep rt
>>>>> rtmac                   7879  1 tdma
>>>>> rtcfg                  32455  0
>>>>> rt_loopback             1143  1
>>>>> rtpacket                5768  0
>>>>> rtudp                   9262  0
>>>>> rt_eepro100            14398  0
>>>>> rtipv4                 21568  2 rtudp,rtcfg
>>>>> rtnet                  46929  8
>>>>> rtipv4,rt_loopback,rtmac,rt_eepro100,rtpacket,rtudp,rtcfg,tdma
>>>>>
>>>>>
>>>>> 3) Another problem is, if I do : ifconfig, I could not find any rtnet0 
>>>>> node.
>>>>>     Also, if I run: "/usr/xenomai/sbin/rtping 10.0.2.15", I get this:
>>>>> # sudo /usr/xenomai/sbin/rtping 10.0.2.15
>>>>> Real-time PING 10.0.2.15 56(84) bytes of data.
>>>>> ioctl: No route to host
>>>>>
>>>>>     So, how can I make sure that rtnet is working ?
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Pintu
>>>>>
>>>>>
>>>>> On Tue, Jan 16, 2018 at 5:42 PM, Pintu Kumar <pintu.p...@gmail.com> wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I have brought up Xenomai 3.0.6 (dual kernel, cobalt) on a
>>>>>> Ubuntu-32-bit machine with Linux Kernel version 4.9.62.
>>>>>> # cat /proc/xenomai/version
>>>>>> 3.0.6
>>>>>>
>>>>>> # uname -a
>>>>>> Linux osboxes 4.9.62-pintu-xeno-3.0.6+ #4 SMP Wed Jan 3 18:54:46 IST
>>>>>> 2018 i686 i686 i686 GNU/Linux
>>>>>>
>>>>>> My Xenomai libraries are installed under:
>>>>>> # ls /usr/xenomai/
>>>>>> bin/     demo/    etc/     include/ lib/     sbin/
>>>>>>
>>>>>>
>>>>>> I have verified with sample posix and native application and the
>>>>>> xenomai is working fine.
>>>>>>
>>>>>> -------------------------
>>>>>> Next, I wanted to check rtdm driver such as RTnet.
>>>>>> So, I noticed that RTNET module needs to be enabled in my patched kernel 
>>>>>> 4.9.62.
>>>>>> So, I enabled it and installed the modules successfully.
>>>>>>
>>>>>> I also see that the modules are installed under:
>>>>>> # ls 
>>>>>> /lib/modules/4.9.62-pintu-xeno-3.0.6+/kernel/drivers/xenomai/net/drivers/
>>>>>> e1000/          rt_8139too.ko   rt_eepro100.ko  rt_loopback.ko
>>>>>>
>>>>>> # ls 
>>>>>> /lib/modules/4.9.62-pintu-xeno-3.0.6+/kernel/drivers/xenomai/net/stack/
>>>>>> ipv4/     packet/   rtcfg/    rtmac/    rtnet.ko
>>>>>>
>>>>>>
>>>>>> So, after that, when I try to install the rtnet driver, I get the
>>>>>> following error:
>>>>>> # sudo /usr/xenomai/sbin/rtnet -v start
>>>>>> Turning on verbose mode
>>>>>> modprobe: FATAL: Module rttcp not found in directory
>>>>>> /lib/modules/4.9.62-pintu-xeno-3.0.6+
>>>>>>
>>>>>>
>>>>>> When, I check the config file, the RTNET module path is listed as:
>>>>>> RTNET_MOD="/lib/modules/`uname -r`/kernel/drivers/xenomai/net"
>>>>>>
>>>>>>
>>>>>> I tried changing it to the correct path by adding xenomai/net/drivers
>>>>>> or xenomai/net/stack, but still I get the same error.
>>>>>>
>>>>>>
>>>>>> Please let me know how to correctly install the RTNET driver using the
>>>>>> /usr/xenomai/sbin/rtnet scripts.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> Pintu
>>>>
>>>> _______________________________________________
>>>> Xenomai mailing list
>>>> Xenomai@xenomai.org
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