unsubscribe 2011/8/20 <uclinux-dev-requ...@uclinux.org>
> Send uClinux-dev mailing list submissions to > uclinux-dev@uclinux.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > or, via email, send a message with subject or body 'help' to > uclinux-dev-requ...@uclinux.org > > You can reach the person managing the list at > uclinux-dev-ow...@uclinux.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of uClinux-dev digest..." > > > Today's Topics: > > 1. Re: FEC and brctl after unplug in/out Ethernet cable (nunya si) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 18 Aug 2011 16:26:11 -0600 > From: nunya si <nunya034...@gmail.com> > Subject: Re: [uClinux-dev] FEC and brctl after unplug in/out Ethernet > cable > To: uclinux-dev@uclinux.org > Message-ID: > <CAJ6eg7A3=ztd3juhscwelzbnn9spmqz9kgymbmof5v6pew2...@mail.gmail.com > > > Content-Type: text/plain; charset=ISO-8859-1 > > On Wed, Aug 17, 2011 at 6:50 PM, Greg Ungerer <g...@snapgear.com> wrote: > > Hi Nunya, > > > > On 17/08/11 02:22, nunya si wrote: > >> > >> I have project where I take new uClinux on a coldfire 5275 dev board > >> and bridge both Ethernet interfaces together with brctl. > >> > >> If Ethernet plugged in when I turn on the board everything work just > >> fine BUT if I turn on board and THEN plug in Ethernet after it has > >> booted then I can talk to the local address but nothing passes in/out > >> of the bridge. Also if I power board up with Ethernet and un-plug and > >> re-plug in Ethernet then same problem, talk locally but not across > >> bridge. > >> > >> Doing "ifconfig eth0 up" every time I plug in cable will cause > >> everything to work. > >> > >> I play with: > >> > >> fec_enet_adjust_link(struct net_device *dev) function in fec.c and if > >> run only once: > >> > >> static char rerun=0; > >> if(rerun++>0) return; > >> > >> ácan solve up/down/up issue, but not plug in after boot issue. Not > >> know how to run ifconfig from driver automatic. > >> > >> What can do to solve issue to make eth0... Work in bridge after plug > >> in/out Ethernet all by itself? > > > > Do you have either mii-tool or ethtool on your target? > > It would be good to know what they report as the link > > status on eth0. > > > > Regards > > Greg > > > > > > > > Thank You Greg, > > I install ethtool and report is as follows: > > /> ethtool eth0 > Settings for eth0: > Supported ports: [ TP MII ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > Advertised auto-negotiation: Yes > Speed: 100Mb/s > Duplex: Full > Port: MII > PHYAD: 1 > Transceiver: external > Auto-negotiation: on > Link detected: yes > > Also /proc/kmsg announces: "PHY: 1:01 - Link is Up - 100/Full > > Also bridge reports after link up: br0: port 1(eth0) entering forwarding > state > > but still bridge is broken... > > I have bad fix like this in fec.c last lines of function static void > fec_enet_adjust_link(struct net_device *dev): > > if (status_change) > { > phy_print_status(phy_dev); > dev_ioctl(dev_net(dev), SIOCSIFFLAGS, "eth0"); // hack make > eth0 work > } > > And this fixes everything so far... no right way to fix but working. > > Ideas? > > Regards (and thank You), > Nunya Si > > > ------------------------------ > > _______________________________________________ > uClinux-dev mailing list > uClinux-dev@uclinux.org > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by uclinux-dev@uclinux.org > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev > > End of uClinux-dev Digest, Vol 100, Issue 14 > ******************************************** >
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