[Xenomai] CAN Loopback with Recieve own message

Narasimhaprasad Yedatore Achutha Narasimhaprasad_A at infosys.com
Tue Dec 15 07:01:34 CET 2015


Thanks Giles.  Do you have any idea on other three questions 
, if we modify the kernel driver supporting 
> CAN_RAW_RECV_OWN_MSGS, so that we start receiving transmitted message 
> back at the controller, how much an impact happens on
> 
> -          Real time scheduling
> 
> -          Does CAN message missing cases be frequent at high bus
> -          load for real time applications
> 
> -          Any other impact we need to consider?

Thanks and Regards
Prasad

-----Original Message-----
From: Gilles Chanteperdrix [mailto:gilles.chanteperdrix at xenomai.org] 
Sent: Tuesday, December 15, 2015 4:15 AM
To: Narasimhaprasad Yedatore Achutha
Cc: Xenomai at xenomai.org
Subject: Re: [Xenomai] CAN Loopback with Recieve own message

On Sat, Dec 12, 2015 at 01:42:01PM +0000, Narasimhaprasad Yedatore Achutha wrote:
> Hello All
> 
> I have a question on RT-Socket not supporting Receive own message 
> option(CAN_RAW_RECV_OWN_MSGS ) with MSG_CONFIRM flag not supported. 
> I'm trying to understand, if we modify the kernel driver supporting 
> CAN_RAW_RECV_OWN_MSGS, so that we start receiving transmitted message 
> back at the controller, how much an impact happens on
> 
> -          Real time scheduling
> 
> -          Does CAN message missing cases be frequent at high bus
> -          load for real time applications
> 
> -          Any other impact we need to consider?
> 
> Please let me know if anybody has any experience on this or any 
> experiments to share?. Any thoughts or advice will be helpful

I do not see any other reason for not having CAN_RAW_RECV_OWN_MSGS than the fact that nobody needed this, so nobody implemented it.

-- 
					    Gilles.
https://click-hack.org

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