> -----Original Message----- > From: rea-f...@codelabs.ru [mailto:rea-f...@codelabs.ru] > Sent: Thursday, January 15, 2009 12:01 PM > To: Yony Yossef > Cc: 'Julian Elischer'; Liran Liss; freebsd-...@freebsd.org; > Oleg Kats; 'H.fazaeli'; Eitan Shefi; firstname.lastname@example.org > Subject: Re: howto determine network device unit number? device.hints? > > Yony, good day. > > Thu, Jan 15, 2009 at 11:26:34AM +0200, Yony Yossef wrote: > > All I'm doing is unloading and reloading the driver. > > Unit numbers change and it makes my automatic subnet configuration > > (/etc/rc.conf) assign bad IPs. > > You're using your own driver, aren't you? If yes, could you > show your device_method_t structure and the corresponding > identify, probe, attach and detach routines? You're setting > the unit numbers via 'if_initname(ifp, device_get_name(dev), > device_get_unit(dev))' or alike?
My device has 2 ports, therefore my if_initname is that: if_initname(dev, device_get_name(mdev->pdev), port + 2 * device_get_unit(mdev->pdev)); > > I still don't get the reason for this arbitrarily assigned unit > > numbers and what is the common solution for it. Except post load > > rename of the interfaces. > > I was under impression that the unit number are coming from > the parent busses and they should be stable, at least for the > case when the parent bus driver isn't unloaded (and for PCI > it should be the case). So, either the driver sets device > unit names weirdly or you hit some bug. > -- > Eygene This is what I captured the last time it happened. # pciconf -l | grep mtnic mtn...@pci0:19:0:0: class=0x020000 card=0x001715b3 chip=0x636815b3 rev=0xa0 hdr=0x00 mtn...@pci0:16:0:0: class=0x020000 card=0x001715b3 chip=0x636815b3 rev=0xa0 hdr=0x00 # kldunload if_mtnic # kldload if_mtnic # pciconf -l | grep mtnic mtn...@pci0:19:0:0: class=0x020000 card=0x001715b3 chip=0x636815b3 rev=0xa0 hdr=0x00 mtn...@pci0:16:0:0: class=0x020000 card=0x001715b3 chip=0x636815b3 rev=0xa0 hdr=0x00 _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"