Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

sys: Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

iavf(4): Split source and update to 3.0.26-k

The iavf(4) driver now uses a different source base from ixl(4), since
it will be the standard VF driver for new Intel Ethernet products going
forward, i

iavf(4): Split source and update to 3.0.26-k

The iavf(4) driver now uses a different source base from ixl(4), since
it will be the standard VF driver for new Intel Ethernet products going
forward, including ice(4). It continues to use the iflib framework
for network drivers.

Since it now uses a different source code base, this commit adds a new
sys/dev/iavf entry, but it re-uses the existing module name so no
configuration changes are necessary.

Signed-off-by: Eric Joyner <erj@FreeBSD.org>

Reviewed by: kbowling@
Tested by: lukasz.szczepaniak@intel.com
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D28636

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MFHead @347527

Sponsored by: The FreeBSD Foundation

Use symlinks for kernel modules rather than hardlinks

When aliasing a kernel module to a different name (ie if_igb for if_em),
it's better to use symlinks than hard links. kldxref will omit entries

Use symlinks for kernel modules rather than hardlinks

When aliasing a kernel module to a different name (ie if_igb for if_em),
it's better to use symlinks than hard links. kldxref will omit entries for
the links, ensuring that the loaded module has the correct name.

Reviewed by: imp
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D19979

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Merge ^/head r340918 through r341763.

- Add a belated UPDATING entry for the ixlv(4) -> iavf(4) rename in r339338.
- Likewise, add ixlv.4.gz to OLD_FILES,
- and link if_ixlv.ko to if_iavf.ko in order to aid a bit in the transition.

Merge ^/head r339015 through r339669.

iavf(4): Finish rename/rebrand internally

Rename functions and variables from ixlv to iavf to match the
user-facing name change. There shouldn't be any functional changes
with this change, but this

iavf(4): Finish rename/rebrand internally

Rename functions and variables from ixlv to iavf to match the
user-facing name change. There shouldn't be any functional changes
with this change, but this may help with browsing the source code
and reducing diffs in the future.

Submitted by: kbowling@
Reviewed by: erj@, sbruno@
Approved by: re (gjb@)
Differential Revision: https://reviews.freebsd.org/D17544

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ixl/iavf(4): Change ixlv to iavf and update it to use iflib(9)

Finishes the conversion of the 40Gb Intel Ethernet drivers to iflib(9) for
FreeBSD 12.0, and fixes numerous bugs in both ixl(4) and iav

ixl/iavf(4): Change ixlv to iavf and update it to use iflib(9)

Finishes the conversion of the 40Gb Intel Ethernet drivers to iflib(9) for
FreeBSD 12.0, and fixes numerous bugs in both ixl(4) and iavf(4).

This commit also re-adds the VF driver to GENERIC since it now compiles and
functions.

The VF driver name was changed from ixlv(4) to iavf(4) because the VF driver is
now intended to be used with future products, not just with Fortville/Fort Park
VFs.

A man page update that documents these drivers is forthcoming in a separate
commit.

Reviewed by: sbruno@, kbowling@
Tested by: jeffrey.e.pieper@intel.com
Approved by: re (gjb@)
Relnotes: yes
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D16429

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