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. > - 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. > > Wolfgang. > > Thanks. Javi Roman. ------------------------------------------------------------------------- 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
