iproute2 not function on CAN FD

[Wenyou.Yang at microchip.com]

Hi Oliver,

> -----Original Message-----
> From: Oliver Hartkopp [mailto:socketcan at hartkopp.net]
> Sent: 2017年2月20日 15:57
> To: Wenyou Yang - A41535 <Wenyou.Yang at microchip.com>;
> mkl at pengutronix.de; wg at grandegger.com
> Cc: linux-can at vger.kernel.org; linux-arm-kernel at lists.infradead.org
> Subject: Re: iproute2 not function on CAN FD
> 
> On 02/20/2017 02:12 AM, Wenyou.Yang at microchip.com wrote:
> 
> > I am testing the CAN FD of M_CAN on the SAMA5D2 Xplained board, when
> > using the ip tool from iprounte2 suite to set the CAN interface, it
> > doesn't work with the message "RTNETLINK answers: Operation not supported".
> > --->8----
> > # ip link set can0 type can bitrate 125000 dbitrate 8000000 fd on
> > RTNETLINK answers: Operation not supported
> 
> Please try:
> 
> # ip link set can0 type can bitrate 125000 dbitrate 8000000 fd on fd-non-iso on
> 
> The driver for the M_CAN IP core 3.0.x in the mainline kernel supports a
> NON_ISO IP core.
> 
> This non-iso setting is fixed with this v3.0.x M_CAN and we decided to make this
> configuration explicit - as all other options run into a mess.
> 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=bb208f144cf
> 3f59d8f89a09a80efd04389718907
> 
> Did that help?

Thank you very much!

You are very helpful!


Best Regards,
Wenyou Yang