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latency tunable.
Reviewed by: jfv
MFC after: 1 day
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path for an infinite loop. Problem originally noticed in ixgbe
by Jeff Roberson and fixed there. Thanks to everyone involved.
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will sometimes fail to initialize problem due to a lock
contention with management hardware. However, in order to
deliver that fix it was necessary to take a shared code
update as a whole, and this required scattered changes in
the core code to be compatible.
The em driver now has VLAN HW support added as the igb
driver had previously.
MFC after: ASAP - in time for 7.1 RELEASE
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MFC after: 2 months
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MFC after: 2 months
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- changes in support of the VLAN filter fix to 126850
- removal of a bunch of legacy code that was cruft, if not
possibly harmful.
- removal of POLLING from this driver, with multiqueue and
MSIX it just makes no sense here.
- Fix an LRO bug that I've been working on internally, intermittent
panics under stress, the problem was releasing the RX ring lock
before the LRO flushing.
- Following the above fix I now enable LRO by default
- For performance reasons increase the default number of RX queues
to 4.
- Add AIM - "Adaptive Interrupt Moderation", a fancy way of saying
that the EITR value is dynamically changed based on the size of
packets in the last interrupt interval.
- Much goodness to try, enjoy!!
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proved to be necessary to make the static drivers work
in EITHER/OR or BOTH configurations. Modules will still
build in sys/modules/igb or em as before.
This also updates the igb driver for support for the 82576
adapter, adds shared code fixes, and etc....
MFC after: ASAP
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