Merge head r232040 through r257457.
M usr.sbin/portsnap/portsnap/portsnap.8
M usr.sbin/portsnap/portsnap/portsnap.sh
M usr.sbin/tcpdump/tcpdump/Makefile

The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
to this event, adding if_var.h to files that do need it. Also, include
all includes that now are included due to implicit po

The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
to this event, adding if_var.h to files that do need it. Also, include
all includes that now are included due to implicit pollution via if_var.h

Sponsored by: Netflix
Sponsored by: Nginx, Inc.

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Merge from head

IFC @ r254014

IFC @253398

IFC @ r252047

Merge fresh head.

Add quad port probe support, this gives the admin proper information about the slot
(which should be a PCIE Gen 3 slot for this adapter) by looking back thru the PCI
parent devices to the slot device

Add quad port probe support, this gives the admin proper information about the slot
(which should be a PCIE Gen 3 slot for this adapter) by looking back thru the PCI
parent devices to the slot device.

The fix above also corrects the bandwidth display to GT/s rather than the
incorrect Gb/s

Next, allow the use of ALTQ if you select the compile option IXGBE_LEGACY_TX.

Allow the use of 'unsupported' optic modules by a compile option as well.

Add a phy reset capability into the stop code, this is so a static configured
driver will still behave properly when taken down (not being able to unload it).

This revision synchronizes the shared code with Intel internal current code,
and note that it now includes DCB supporting code, this was necessitated by
some internal changes with the code, but it also will provide the opportunity
to develop this feature in the core driver down the road.

I have edited the README to get rid of some of the worse anachronisms in it
as well, its by no means as robust as I might wish at this point however.

Oh, I also have included some conditional stuff in the code so it will be
compatible in both the 9.X and 10 environments.

Performance has been a focus in recent changes and I believe this revision
driver will perform very well in most workloads.

MFC after: 2 weeks

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IFC @247348.

Sync with HEAD.

IFC @ r244983.

rename the 'tag' and 'map' fields used the rx ring to their
previous names, 'ptag' and 'pmap' -- p stands for packet.

This change reduces the difference between the code in stable/9
and head, and al

rename the 'tag' and 'map' fields used the rx ring to their
previous names, 'ptag' and 'pmap' -- p stands for packet.

This change reduces the difference between the code in stable/9
and head, and also helps using the same ixgbe_netmap.h on both branches.

Approved by: Jack Vogel

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IFC @r243836

Patch #11 - The final patch: this one greatly improves the
TX hot path by getting rid of index calculations and simply
managing pointers. Much of the creative code is due to my
coworker here at Inte

Patch #11 - The final patch: this one greatly improves the
TX hot path by getting rid of index calculations and simply
managing pointers. Much of the creative code is due to my
coworker here at Intel, Alex Duyck, thanks Alex!

Also, this whole series of patches was given the critical
eye of Gleb Smirnoff and is all the better for it, thanks
Gleb!

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Patch #8 Performance changes - this one improves locality,
moving some counters and data to the ring struct from
the adapter struct, also compressing some data in the
move.

Patch #7 This is primarily about processing limit control.
- add a limit for both RX and TX, change the default to 256
- change the sysctl usage to be common, and now to be called
during init for eac

Patch #7 This is primarily about processing limit control.
- add a limit for both RX and TX, change the default to 256
- change the sysctl usage to be common, and now to be called
during init for each ring.
- the TX limit is not yet used, but the changes in the last
patch in this series uses the value.
- the motivation behind these changes is to improve data
locality in the final code.
- rxeof interface changes since it now gets limit from the
ring struct

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Patch #6 Whitespace cleanup, and removal of some very old
defines (at Gleb's request). Also, change the defines around
the old transmit code to IXGBE_LEGACY_TX, I do this to make
it possible to defin

Patch #6 Whitespace cleanup, and removal of some very old
defines (at Gleb's request). Also, change the defines around
the old transmit code to IXGBE_LEGACY_TX, I do this to make
it possible to define this regardless of the OS level (it is
not defined by default). There are also a couple changed
comments for clarity.

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Patch #5 Cleanup unused IEEE1588 code fragments, the day may
come when this feature gets implemented, but its not here yet
and I see no reason to leave this laying around.

Patch #3 - Add a new ioctl to access SFP+ module diagnostic
data via the I2C routines in shared code.

Patch #2 - remove OACTIVE and DEPLETED notions from the
multiqueue code, this functionality has proven to be more
trouble than it was worth. Thanks to Gleb for a second
critical look over my code and

Patch #2 - remove OACTIVE and DEPLETED notions from the
multiqueue code, this functionality has proven to be more
trouble than it was worth. Thanks to Gleb for a second
critical look over my code and help in the patches!

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First of a series of 11 patches leading to new ixgbe version 2.5.0
This removes the header split and supporting code from the driver.

MFC @ r241285

IFC @ r242684

Sync from head

Merge similar fixes from 223198 from igb to ixgbe:
- Use a dedicated task to handle deferred transmits from the if_transmit
method instead of reusing the existing per-queue interrupt task.
Reusin

Merge similar fixes from 223198 from igb to ixgbe:
- Use a dedicated task to handle deferred transmits from the if_transmit
method instead of reusing the existing per-queue interrupt task.
Reusing the per-queue interrupt task could result in both an interrupt
thread and the taskqueue thread trying to handle received packets on a
single queue resulting in out-of-order packet processing and lock
contention.
- Don't define ixgbe_start() at all where if_transmit is used.

Tested by: Vijay Singh
Reviewed by: jfv
MFC after: 2 weeks

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