Revert last commit, to remove added skeleton tree.

Delta D2489 - Add SRIOV support to the Intel 10G driver.

NOTE: This is a technology preview, while it has undergone development
tests, Intel has not yet completed full validation of the featur

Delta D2489 - Add SRIOV support to the Intel 10G driver.

NOTE: This is a technology preview, while it has undergone development
tests, Intel has not yet completed full validation of the feature.
It is being integrated for early access and customer testing.

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Merge sync of head

Merge from head

MFH: r281855-r282312

Sponsored by: The FreeBSD Foundation

Add support for certain Intel X550 devices.

These include standalone X550 adapters, X552 10GbE backplane, and
X552/X557-AT 10GBASE-T; with the latter two being integrated into Xeon D SoCs.

As well,

Add support for certain Intel X550 devices.

These include standalone X550 adapters, X552 10GbE backplane, and
X552/X557-AT 10GBASE-T; with the latter two being integrated into Xeon D SoCs.

As well, this bumps the ixgbe version number to 2.8.3, and includes updates
to shared code for support for the new devices.

Differential Revision: D2414
Reviewed by: gnn, adrian
Approved by: jfv (mentor), gnn (mentor)

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Merge from HEAD

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Another refresh to pick up a build fix.

Fix i386 LINT build issues, and remove unused variable.

Merge r278538 through r280226.

Update to the Intel ixgbe driver:
- Split the driver into independent pf and vf loadables. This is
in preparation for SRIOV support which will be following shortly.
This also allows us to keep

Update to the Intel ixgbe driver:
- Split the driver into independent pf and vf loadables. This is
in preparation for SRIOV support which will be following shortly.
This also allows us to keep a seperate revision control over the
two parts, making for easier sustaining.
- Make the TX/RX code a shared/seperated file, in the old code base
the ixv code would miss fixes that went into ixgbe, this model
will eliminate that problem.
- The driver loadables will now match the device names, something that
has been requested for some time.
- Rather than a modules/ixgbe there is now modules/ix and modules/ixv
- It will also be possible to make your static kernel with only one
or the other for streamlined installs, or both.

Enjoy!

Submitted by: jfv and erj

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Merge from head

Merge ^/head r279313 through r279595.

Merge r278538 through r279514.

Pad RX copy alignment calculation to avoid illegal memory accesses

The optimization made in r239940 is valid for struct mbuf's current structure
and size in FreeBSD, but hardcodes assumptions about

Pad RX copy alignment calculation to avoid illegal memory accesses

The optimization made in r239940 is valid for struct mbuf's current structure
and size in FreeBSD, but hardcodes assumptions about sizes of struct mbuf,
which are unfortunately broken if additional data is added to the beginning of
struct mbuf

X-MFC note (discussed with rwatson):

This change requires the MPKTHSIZE definition, which is only available after
head@r277203 and will not be MFCed as it breaks mbuf(9) KPI.

A direct commit to stable/10 and merges to other branches to add the necessary
definitions to work with the code as-is will be done to facilitate this MFC

PR: 194314
MFC after: 2 weeks
Approved/Reviewed by: erj, jfv
Sponsored by: EMC / Isilon Storage Division

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Merge from head@274682

Sync to HEAD@r272516.

IFC @r271694

The error bits are not valid with EOP=0; so intermediary fragments should
not be discarded.

Submitted by: Marc De La Gueronniere <mdelagueronniere@verisign.com>
MFC after: 1 week
Sponsored by: Veris

The error bits are not valid with EOP=0; so intermediary fragments should
not be discarded.

Submitted by: Marc De La Gueronniere <mdelagueronniere@verisign.com>
MFC after: 1 week
Sponsored by: Verisign, Inc.

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Sync to HEAD@r271160.

* Add SIOCGI2C driver ioctl used to retrieve i2c info.
* Convert ixgbe to use this ioctl
* Convert ifconfig to use generic i2c handler for "ix" interfaces.

Approved by: Eric Joyner (ixgbe part)
MFC

* Add SIOCGI2C driver ioctl used to retrieve i2c info.
* Convert ixgbe to use this ioctl
* Convert ifconfig to use generic i2c handler for "ix" interfaces.

Approved by: Eric Joyner (ixgbe part)
MFC after: 2 weeks
Sponsored by: Yandex LLC

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Merge head

IFC @264767

MFC @ r259205 in preparation for some SVM updates. (for real this time)