Javi Roman wrote: > On 1/10/07, Wolfgang Grandegger <[EMAIL PROTECTED]> wrote: >> Jan Kiszka wrote: >> > Javi Roman wrote: >> >> ... >> >> I think the driver requires PHY management (MDIO) to get my ethernet >> >> working, and from the brand new rtnet-0.9.7 (rt_mpc8xx_fec.c): >> >> >> >> #ifdef CONFIG_RTAI_RTNET_USE_MDIO >> >> #error "MDIO for PHY configuration is not yet supported!" >> >> #endif >> > >> > OK, that's something Wolfgang has to comment on. >> >> As the message says, MDIO is not supported. >> >> > >> >> All MDIO stuff is under this macro. >> >> I don't know why is not supported, nevertheless I'm going to work with >> >> this issue. >> > >> > The original phy management here includes timed jobs that you don't >> want >> > in a deterministic environment, therefore they have been switched off. >> > Of course, this only makes sense when those jobs are not required to >> > keep the link running. If they are needed to bring it up, a smart >> way to >> > only do this during fec_enet_open has to be found. >> > >> > The golden rule is: Keep "comfort" functions out of the critical path. >> > If you have high rate deterministic traffic, some link watchdog at a >> few >> > HZ will choke far too late anyway. In this case, error detection can >> > best be performed at higher levels. >> >> Before we think more about PHY support some more questions: >> >> - did you disable the FEC driver in Linux via kernel config > > Yes I did.
OK. >> - do you see link up messages or are the corresponding LEDs on or >> blinking. > > LEDs are on but they aren't blinking when I try something like > "rtroute solicit ....". > The driver output queue only is freed when the network wire is > unplugged. Only raises the handler fec_enet_interrupt when the > network wire is unplugged. > >> - does FEC work under Linux without PHY support (try disabling PHY >> support via kenrel config). > > I'm trying this one right now. OK, I'm going to check for old bugs now. Nevertheless, the software versions of Linux, RTAI and RTnet are very old :-(. Wolfgang ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
