Date: Thu, 23 Sep 2010 11:26:37 -0700 From: Pyun YongHyeon <pyunyh@gmail.com> To: Sushanth Rai <sushanth_rai@yahoo.com> Cc: freebsd-net@freebsd.org, Luiz Otavio O Souza <lists.br@gmail.com> Subject: Re: Changing link status in bge driver Message-ID: <20100923182637.GB15014@michelle.cdnetworks.com> In-Reply-To: <580411.14417.qm@web180001.mail.gq1.yahoo.com> References: <748672F0-DFF8-48A4-A4AC-AC9BA698584C@gmail.com> <580411.14417.qm@web180001.mail.gq1.yahoo.com>
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On Thu, Sep 23, 2010 at 11:05:08AM -0700, Sushanth Rai wrote: > "ifconfig bge1 media none" does change the PHY status temporarily. I see the following when I run this command: > > bge1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM> > ether 00:40:d0:b8:1e:0b > media: Ethernet none > status: no carrier > > After a few seconds if I do "ifconfig bge1", it's automagically changed to: > > bge1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM> > ether 00:40:d0:b8:1e:0b > media: Ethernet none (1000baseTX <full-duplex>) > status: active > > > I tried playing around with mediaopt, but PHY status doesn't seem to change permanently. > brgphy(4) does not correctly handle IFM_NONE at this moment. In fact, brgphy(4)'s manual media configuration does not seem to work well. See MII_MEDIACHG handler of brgphy_physervice and implement IFM_NONE media type to power down or isolate the PHY. > > --- On Thu, 9/23/10, Luiz Otavio O Souza <lists.br@gmail.com> wrote: > > > From: Luiz Otavio O Souza <lists.br@gmail.com> > > Subject: Re: Changing link status in bge driver > > To: "Sushanth Rai" <sushanth_rai@yahoo.com> > > Date: Thursday, September 23, 2010, 2:31 AM > > On Sep 23, 2010, at 4:11 AM, Sushanth > > Rai wrote: > > > > > Hello, > > > > > > I'm using BCM5715C based NIC card on a FreeBSD 7.2 > > system. I would like to simulate condition where the PHY > > layer is powered-off i.e, the link status should show as "no > > carrier". When I do "ifconfig down", it just turns-off the > > driver and the link status is still active. Is there is > > anything I can do in the bge driver or anywhere else in the > > software stack to simulate this condition without physically > > disconnecting the cable ? > > > > > > Thanks, > > > Sushanth > > > > Hi, > > > > ifconfig bgeX media none should do what you need. > > > > Luiz > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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