On di, 17 dec 2019 13:26:19 +0100, Marc Kleine-Budde wrote: > On 12/17/19 1:16 PM, Kurt Van Dijck wrote: > > This series is my attempt to make avoid packet loss on a D_CAN chip. > > > > It consists of adding a manual mode to rx-offload, with a temporary queue > > for use during ISR. > > The c_can ISR is re-organized to use rx-offload in manual mode. > > > > This reduced the packet loss on our product _almost_ completely. > > > > Finally, I added the commits in can-next/c_can-more-objects. > > Nice. However I don't like the Kconfig options, make it dependent on the > DT compatible. See the individual mails. > > > I observed no more packet loss since (monitoring for +/- 6 weeks). > > Our product runs a v4.9 kernel, on which I tuned the code. > > This series is a forward-ported version of it, on top of can-next. > > How many RX/TX mailboxes are you using? 48rx, 16tx. But I could reduce to 8tx or even 4tx too without har without harm, as you suggested. > > Marc > > -- > Pengutronix e.K. | Marc Kleine-Budde | > Embedded Linux | https://www.pengutronix.de | > Vertretung West/Dortmund | Phone: +49-231-2826-924 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >
