Use ECONNABORTED in cases where the ABORT was sent to the peer.

MFC after: 3 days

Provide the flags in the SCTP stream reconfig related notification
as specified in RFC 6525.

MFC after: 3 days

IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

- Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

Merge head r232686 through r233825 into projects/pf/head.

Make stream our stream reset implementation
compliant to RFC6525.

MFC after: 1 month

IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

Address issues found by clang. While there, fix also some style
issues.

MFC after: 3 months.

Fix unused parameter warnings.
While there, fix some whitespace issues.

MFC after: 3 months.

Fix a bug reported by Irene Ruengeler which resulted in not sending
out HEARTBEATs when requested by the user. The HEARTBEATs were only
queued, but not actually sent out.

MFC after: 2 months.

IFC @ r226824

MFC

Fix the enabling/disabling of Heartbeats and path MTU
discovery when using the SCTP_PEER_ADDR_PARAMS socket option.
Approved by: re
MFC after: 1 month.

IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

Integrate FreeBSD/head into projects/zfsd/head as of SVN revision 224870.

The result of a joint work between rrs@ and myself at the IETF:
* Decouple the path supervision using a separate HB timer per path.
* Add support for potentially failed state.
* Bring back RTO.min to

The result of a joint work between rrs@ and myself at the IETF:
* Decouple the path supervision using a separate HB timer per path.
* Add support for potentially failed state.
* Bring back RTO.min to 1 second.
* Accept packets on IP-addresses already announced via an ASCONF
* While there: do some cleanups.

Approved by: re@
MFC after: 2 months.

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Merge svn+ssh://svn.freebsd.org/base/head@219553

Tunes and fixes the new DC-CC to seem to hit the
right mix. Still may need some tweaks but it
appears to almost not give away too much to an
RFC2581 flow, but can really minimize the amount of
buffe

Tunes and fixes the new DC-CC to seem to hit the
right mix. Still may need some tweaks but it
appears to almost not give away too much to an
RFC2581 flow, but can really minimize the amount of
buffers used in the net.

MFC after: 3 months

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Adds a new Congestion Control that helps reduce
the RTT that a flow will build up in buffers in
transit. It is a slight modification to RFC2581
but is more friendly i.e. less aggressive.

MFC after:

Adds a new Congestion Control that helps reduce
the RTT that a flow will build up in buffers in
transit. It is a slight modification to RFC2581
but is more friendly i.e. less aggressive.

MFC after: 3 months

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Merge svn+ssh://svn.freebsd.org/base/head@218816

1) Typo correction in comments and one spacing change.
2) Mass update to all copyrights.
MFC after: 3 Months

1) Move per John Baldwin to mp_maxid
2) Some signed/unsigned errors found by Mac OS compiler (from Michael)
3) a couple of copyright updates on the effected files.

MFC after: 3 months

Adds an experimental option to create a pool of
threads. These serve as input threads and are queued
packets based on the V-tag number. This is similar to
what a modern card can do with queue's for T

Adds an experimental option to create a pool of
threads. These serve as input threads and are queued
packets based on the V-tag number. This is similar to
what a modern card can do with queue's for TCP... but
alas modern cards know nothing about SCTP.

MFC after: 3 months (maybe)

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1) Allow a chunk to track the cwnd it was at when sent.
2) Add separate max-bursts for retransmit and hb. These
are set to sysctlable values but not settable via the
socket api. This makes sure

1) Allow a chunk to track the cwnd it was at when sent.
2) Add separate max-bursts for retransmit and hb. These
are set to sysctlable values but not settable via the
socket api. This makes sure we don't blast out HB's or
fast-retransmits.
3) Determine on the first data transmission on a net if
its local-lan (by being under or over a RTT). This
can later be used to think about different algorithms
based on locallan vs big-i (experimental)
4) The cwnd should NOT be allowed to grow when an ECNEcho
is seen (TCP has this same bug). We fix this in SCTP
so an ECNe being seen prevents an advance of cwnd.
5) CWR's should not be sent multiple times to the
same network, instead just updating the TSN being
transmitted if needed.

MFC after: 1 Month

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More ECN fixes:
1) We now remove ECN-Nonce since it will no longer continue as a I-D
2) Eliminate last_tsn_echo, this tied us to an assoc not the net
and thus we were not doing m-homing on the ECN

More ECN fixes:
1) We now remove ECN-Nonce since it will no longer continue as a I-D
2) Eliminate last_tsn_echo, this tied us to an assoc not the net
and thus we were not doing m-homing on the ECN-Echo senders side right.
3) Increment the count going out even if the TSN in lower in the pending
ECN-Echo, this way the receiver knows exactly how many packets were
marked even with network re-ordering
4) Fix so we DO NOT stop doing delayed sack if a ECN Echo is in queue
MFC after: 1 month

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