Exposing sysctls for ixgbe

[hiren panchasara]

I am going to commit this change in the weekend.

Let me know if there are any objections.

Thanks,
Hiren


On Mon, Sep 30, 2013 at 8:51 AM, hiren panchasara <hiren at freebsd.org> wrote:

> + jfv
>
>
> On Wed, Sep 25, 2013 at 5:35 PM, Adrian Chadd <adrian at freebsd.org> wrote:
>
>> please cc jfv and get them into his driver. :)
>>
>> -a
>>
>>
>> On 24 September 2013 23:53, hiren panchasara <hiren at freebsd.org> wrote:
>>
>>> Any comments?
>>>
>>> cheers,
>>> Hiren
>>>
>>> On Sun, Sep 22, 2013 at 12:01 PM, hiren panchasara <hiren at freebsd.org
>>> >wrote:
>>>
>>> > $ sysctl hw.igb
>>> > hw.igb.rxd: 4096
>>> > hw.igb.txd: 4096
>>> > hw.igb.enable_aim: 1
>>> > hw.igb.enable_msix: 1
>>> > hw.igb.max_interrupt_rate: 8000
>>> > hw.igb.buf_ring_size: 4096
>>> > hw.igb.header_split: 0
>>> > hw.igb.num_queues: 1
>>> > hw.igb.rx_process_limit: 100
>>> > $ sysctl hw.ix
>>> > sysctl: unknown oid 'hw.ix': No such file or directory
>>> >
>>> > I thought it would be nice to have these things exposed. So I copied
>>> them
>>> > from igb:
>>> > http://people.freebsd.org/~hiren/ixgbe_sysctls.txt
>>> >
>>> > Changes for if_igb.c is to expose correct auto-tuned value for a
>>> running
>>> > system for "hw.igb.num_queues", which is not the case right now.
>>> >
>>> > Thanks to markj@ for help/pointers.
>>> >
>>> > Please let me know if the diffs look okay.
>>> >
>>> > cheers,
>>> > Hiren
>>> >
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>>
>>
>