MFC of em/igb drivers

[Ganbold]

Jeremy Chadwick wrote:
> On Fri, Jun 06, 2008 at 03:49:40PM +0800, Ganbold wrote:
>   
>> Jack Vogel wrote:
>>     
>>> I got the new drivers in Friday afternoon for those that don't see CVS
>>> messages.
>>>
>>> The igb driver is for 82575 and 82576 adapters, it has multiqueue support and
>>> MSIX, there will be more server type enhancements in that driver as I get the
>>> time.
>>>
>>> The em driver now will be client oriented, the latest hardware support however
>>> is for 82574, Hartwell, which is a really nice low cost PCIE dual-port adapter,
>>> that actually also has MSIX. This first released support for it will
>>> use 3 interrupt
>>> vectors, one for TX, one for RX, and Link. The hardware actually supports 5
>>> vectors, so I am planning to add support for another RX and TX queue as my
>>> schedule allows.
>>>
>>> Hartwell is also the first adapter that has IEEE 1588 PTP support, the driver
>>> provides init and an ioctl interface to use that facility, I hope we
>>> see software
>>> support follow on soon. This is an early announcement, I am not sure on
>>> exact dates for availability but they should be soon.
>>>
>>> As ever, issues and bugs should be sent to me. Cheers everyone!
>>>       
>> I have Intel Gigabit card and FreeBSD-7.0-STABLE recognizes it as following:
>> ...
>> em0 at pci0:0:25:0:        class=0x020000 card=0x2800103c chip=0x104a8086 
>> rev=0x02 hdr=0x00
>>    vendor     = 'Intel Corporation'
>>    device     = '82566DM Gigabit Network Connection'
>>    class      = network
>>    subclass   = ethernet
>> ...
>> # uname -an
>> FreeBSD test.ub.mng.net 7.0-STABLE FreeBSD 7.0-STABLE #0: Thu Jun  5 
>> 11:12:34 ULAT 2008     tsgan at test.ub.mng.net:/usr/obj/usr/src/sys/FIREWALL  
>> i386
>>
>>
>> It has some problem, 1000baseTX connection status almost never goes to 
>> active in bridged mode, sometimes
>> it goes to active but then immediately it goes to no carrier. (The other 
>> end is Cisco4507R, Gigabit Ethernet port)
>> ...
>> em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 
>> mtu 1500
>>    options=198<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4>
>>    ether 00:0f:fe:82:23:db
>>    media: Ethernet 1000baseTX <full-duplex> (autoselect)
>>    status: no carrier
>> ...
>>
>> Any idea how to solve this issue?
>>     
>
> Have you tried disabling speed and duplex negotiation and explicitly
> stating speed and duplex like so?
>
> ifconfig_em0="... media 1000baseTX mediaopt full-duplex"
>   

I tried it and it doesn't work.

> Cisco switches have a notorious history of not being "friendly" with
> non-Cisco hardware.  Forcing duplex on both ends of the link (that means
> on both the host side, and the Cisco side!) usually fixes it.
>   

Tried too, doesn't work.

Ganbold

-- 
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