Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Do not initialize the adapter on MTU change when adapter status is down.
This fixes long-standing problems when changing settings of the adapter.

Discussed in:
https://lists.freebsd.org/pipermail/freebsd-net/2016-June/045509.html

Submitted by: arnaud.ysmal@stormshield.eu
Reviewed by: erj@freebsd.org
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D7030

Cleanup unnecessary semicolons from the kernel.

Found with devel/coccinelle.

Prevent invalid ixgbe advertise setting warning

Prevent ixgbe outputting "Invalid advertised speed" warning on boot with
no customisations by moving test from sysctl handler to set handler.

PR: 208022
MFC after: 3 days
Sponsored by: Multiplay

In FreeBSD 10 and higher the driver announces SCTP checksum offloading support
also for 82598, which doesn't support it.
The legacy code has a check for it, which was missed when the code for dealing with
CSUM_IP6_* was added. Add the same check for FreeBSD 10 and higher.

Differential Revision: https://reviews.freebsd.org/D5192

Configure ixgbe phy & gbic power

Setup phy and gbic power as per Linux 4.3.13 driver.

This fixes link not detected on X540-AT2 after booting to Linux which turns
the phy power off on detach.

Reviewed by: sbruno
MFC after: 2 days
Sponsored by: Multiplay
Differential Revision: https://reviews.freebsd.org/D5107

ixgbe sysctl hardware defaults

Added hw.ix.flow_control which enables the default flow_control of all ix
interfaces to be set in loader.conf.

Added hw.ix.advertise_speed which enables the default advertised_speed of
all ix interfaces to be set in loader.conf.

Made enable_aim device independent based on hw.ix.enable_aim default.

Reviewed by: erj
MFC after: 1 week
Sponsored by: Multiplay
Differential Revision: https://reviews.freebsd.org/D5060

Fix ix advertise value after media change

When ifconfig sets media then the values displayed by the advertise_speed
value are invalidated.

Fix this by setting the bits correctly including setting advertise to 0 for
media = auto.

Reviewed by: sbruno
MFC after: 1 week
Sponsored by: Multiplay
Differential Revision: https://reviews.freebsd.org/D5034

Add optimizing LRO wrapper:

- Add optimizing LRO wrapper which pre-sorts all incoming packets
according to the hash type and flowid. This prevents exhaustion of
the LRO entries due to too many connections at the same time.
Testing using a larger number of higher bandwidth TCP connections
showed that the incoming ACK packet aggregation rate increased from
~1.3:1 to almost 3:1. Another test showed that for a number of TCP
connections greater than 16 per hardware receive ring, where 8 TCP
connections was the LRO active entry limit, there was a significant
improvement in throughput due to being able to fully aggregate more
than 8 TCP stream. For very few very high bandwidth TCP streams, the
optimizing LRO wrapper will add CPU usage instead of reducing CPU
usage. This is expected. Network drivers which want to use the
optimizing LRO wrapper needs to call "tcp_lro_queue_mbuf()" instead
of "tcp_lro_rx()" and "tcp_lro_flush_all()" instead of
"tcp_lro_flush()". Further the LRO control structure must be
initialized using "tcp_lro_init_args()" passing a non-zero number
into the "lro_mbufs" argument.

- Make LRO statistics 64-bit. Previously 32-bit integers were used for
statistics which can be prone to wrap-around. Fix this while at it
and update all SYSCTL's which expose LRO statistics.

- Ensure all data is freed when destroying a LRO control structures,
especially leftover LRO entries.

- Reduce number of memory allocations needed when setting up a LRO
control structure by precomputing the total amount of memory needed.

- Add own memory allocation counter for LRO.

- Bump the FreeBSD version to force recompilation of all KLDs due to
change of the LRO control structure size.

Sponsored by: Mellanox Technologies
Reviewed by: gallatin, sbruno, rrs, gnn, transport
Tested by: Netflix
Differential Revision: https://reviews.freebsd.org/D4914

Fixup SFP module insertion on the 82599 when insertion happens after
the system is booted and running.

Add PHY detection logic to ixgbe_handle_mod() and add locking to
ixgbe_handle_msf() as well.

PR: 150251
Submitted by: aboyer@averesystems.com
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D3188

ixgbe(4): Update to version 3.1.13-k

Add support for two new devices: X552 SFP+ 10 GbE, and the single port
version of X550T.

Submitted by: erj
Reviewed by: gnn
Sponsored by: Intel Corporation
Differential Revision: https://reviews.freebsd.org/D4186

Add support for sysctl knobs to live tune the per interrupt rx/tx packet
processing limits in ixgbe(4)

Differential Revision: https://reviews.freebsd.org/D3719
Submitted by: jason wolfe (j-nitrology.com)
MFC after: 2 weeks

A misplaced #endif in ixgbe_ioctl() causes interface MTU to become
zero when INET and INET6 are undefined.

PR: 162028
Differential Revision: https://reviews.freebsd.org/D3187
Submitted by: hoomanfazaeli@gmail.com pluknet
Reviewed by: erj hiren gelbius
MFC after: 2 weeks

Remove a couple of TUNABLE_INT() calls which are unnecessary after r267961.
r267961 did remove them but they "reappeared" when ixgbe(4) rewrite happened in
r280182.

Sponsored by: Limelight Networks

Add netmap support for ixgbe SRIOV VFs (that is, to if_ixv).

Differential Revision: https://reviews.freebsd.org/D2923
Reviewed by: erj, gnn
Approved by: jmallett (mentor)
Sponsored by: Norse Corp, Inc.

Fix igxbe SRIOV VF (if_ixv) initialization bugs. The MAC address for
an if_ixv instance can now set at creation time, and the receive ring
tail pointer is correctly initialized (previously, things still worked
because the receive ring tail pointer was being fixed up as a side
effect of other activity).

Differential Revision: https://reviews.freebsd.org/D2922
Reviewed by: erj, gnn
Approved by: jmallett (mentor)
Sponsored by: Norse Corp, Inc.

Sync netmap sources with the version in our private tree.
This commit contains large contributions from Giuseppe Lettieri and
Stefano Garzarella, is partly supported by grants from Verisign and Cisco,
and brings in the following:

- fix zerocopy monitor ports and introduce copying monitor ports
(the latter are lower performance but give access to all traffic
in parallel with the application)

- exclusive open mode, useful to implement solutions that recover
from crashes of the main netmap client (suggested by Patrick Kelsey)

- revised memory allocator in preparation for the 'passthrough mode'
(ptnetmap) recently presented at bsdcan. ptnetmap is described in
S. Garzarella, G. Lettieri, L. Rizzo;
Virtual device passthrough for high speed VM networking,
ACM/IEEE ANCS 2015, Oakland (CA) May 2015
http://info.iet.unipi.it/~luigi/research.html

- fix rx CRC handing on ixl

- add module dependencies for netmap when building drivers as modules

- minor simplifications to device-specific routines (*txsync, *rxsync)

- general code cleanup (remove unused variables, introduce macros
to access rings and remove duplicate code,

Applications do not need to be recompiled, unless of course
they want to use the new features (monitors and exclusive open).

Those willing to try this code on stable/10 can just update the
sys/dev/netmap/*, sys/net/netmap* with the version in HEAD
and apply the small patches to individual device drivers.

MFC after: 1 month
Sponsored by: (partly) Verisign, Cisco

Catch up to the SRIOV API changes in r283670.

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

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

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 feature.
It is being integrated for early access and customer testing.

Remove the extra extern which makes gcc complain; I assume it came from
r282289.

We do include ixgbe.h which does include ixgbe_common.h which has the
extern statement for ixgbe_stop_mac_link_on_d3_82599().

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)

Various fixes to the stats in igb(4), ixgbe(4), and ixl(4).
- Use hardware counters for ifnet stats in igb(4) when possible. This
ensures these stats include packets that bypass the regular stack via
netmap.
- Don't derefence values off the end of the igb(4) VF stats structure.
Instead, add a dedicated if_get_counter method for igb(4) VF interfaces.
- Report missed packets on igb(4) as input queue drops rather than an
input error.
- Report bug_ring drop counts as output queue drops for igb(4) and ixgbe(4).
- Export the buf_ring drop stats for individual rings via sysctl on
ixgbe(4).
- Fix a typo that in ixl(4) that caused output queue drops to be reported
as input queue drops and input queue drops to be unreported.

Differential Revision: https://reviews.freebsd.org/D2402
Reviewed by: jfv, rstone (6)
Sponsored by: Norse Corp, Inc.

Add back ixgbe_rxeof, just remove the assignment to more.

Remove unused variable.

Differential Revision: D2331
Reviewed by: erj

Fix ixgbe(4) to compile - with RSS; with ix+ixv in the kernel.

* Fix the multiple same-named devclasses; the duplicate name
trips up the linker.

* Re-do the taskqueue stuff to use the new cpuset API, not the old
pinned API.

* Add includes for the new location of the RSS configuration routines.

This allows ixgbe to compile as a module /and/ linked into the kernel,
along with RSS working.

Sponsored by: Norse Corp, Inc.

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