MFC of em/igb drivers
Scott Long
scottl at samsco.org
Sat May 3 17:40:06 UTC 2008
Jack Vogel wrote:
> On Sat, May 3, 2008 at 4:45 AM, Kostik Belousov <kostikbel at gmail.com> wrote:
>> On Sat, May 03, 2008 at 12:14:32AM -0700, 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!
>>
>> Besides the broken tinderbox, you did not connected the igb module to
>> the module build. Is this intentional ?
>>
>
> No, not intentional, both issues are now fixed, sorry, was tired yesterday
> afternoon :)
>
Is it still true that support for the 575 moved from em to igb? If so,
please put an entry in src/UPDATING about it and ask the re/docs team to
make sure it's documented in the next release notes.
Scott
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