sctp: cleanup cdefs.h include

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

net: clean up empty lines in .c and .h files

Ensure that an stcb is not dereferenced when it is about to be
freed.
This issue was found by SYZKALLER.

MFC after: 3 days

Merge ^/head r351317 through r351731.

Fix initialization of top_fsn.

MFC after: 3 days

Whitespace changes due to changes in ident.

Revert https://svnweb.freebsd.org/changeset/base/336503
since I also ran the export script with different parameters.

Whitespace changes due to change if ident.

Merge ^/head r325999 through r326131.

sys: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for

sys: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Whitespace changes.

The toolchain for processing the sources has been updated. No functional
change.

MFC after: 3 days

Merge ^/head r309519 through r309757.

Cleanup the names of SSN, SID, TSN, FSN, PPID and MID.

This made a couple of bugs visible in handling SSN wrap-arounds
when using DATA chunks. Now bulk transfer seems to work fine...
This fixes the

Cleanup the names of SSN, SID, TSN, FSN, PPID and MID.

This made a couple of bugs visible in handling SSN wrap-arounds
when using DATA chunks. Now bulk transfer seems to work fine...
This fixes the issue reported in
https://github.com/sctplab/usrsctp/issues/111

MFC after: 1 week

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MFH

Sponsored by: The FreeBSD Foundation

A couple of minor changes that I missed that Michael had done, most noted
in these is the change to non-strict ordering for incoming data (this will
make pkt-drill test 14 fail but its expected).

This is work done by Michael Tuexen and myself at the IETF. This
adds the new I-Data (Interleaved Data) message. This allows a user
to be able to have complete freedom from Head Of Line blocking that

This is work done by Michael Tuexen and myself at the IETF. This
adds the new I-Data (Interleaved Data) message. This allows a user
to be able to have complete freedom from Head Of Line blocking that
was previously there due to the in-ability to send multiple large
messages without the TSN's being in sequence. The code as been
tested with Michaels various packet drill scripts as well as
inter-networking between the IETF's location in Argentina and Germany.

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Merge from head

Sponsored by: Gandi.net

Finish merging from head, messed up in previous attempt

Catch up with head, primarily for the 1.14.4.0 firmware.

Merge ^/head r285924 through r286421.

Don't take the port numbers for packets containing ABORT chunks from
a freed mbuf. Just use them from the stcb.

MFC after: 3 days

Merge head r233826 through r256722.

Merge from head

IFC @ r254014