Fix the handling of fragmented unordered messages when using DATA chunks
and FORWARD-TSN.

This bug was reported in https://github.com/sctplab/usrsctp/issues/286
for the userland stack.

This is join

Fix the handling of fragmented unordered messages when using DATA chunks
and FORWARD-TSN.

This bug was reported in https://github.com/sctplab/usrsctp/issues/286
for the userland stack.

This is joint work with rrs@.

MFC after: 1 week

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Merge ^/head r338026 through r338297, and resolve conflicts.

Refactor the SHUTDOWN_PENDING state handling.

This is not a functional change but a preperation for the upcoming
DTrace support. It is necessary to change the state in one
logical operation, even if

Refactor the SHUTDOWN_PENDING state handling.

This is not a functional change but a preperation for the upcoming
DTrace support. It is necessary to change the state in one
logical operation, even if it involves clearing the sub state
SHUTDOWN_PENDING.

MFC after: 1 month

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Merge ^/head r337646 through r338014.

Use the stacb instead of the asoc in state macros.

This is not a functional change. Just a preparation for upcoming
dtrace state change provider support.

Use consistently the macors to modify the assoc state.

No functional change.

MFH @ r337607, in preparation for boarding

Merge ^/head r337586 through r337590.

Fix misspellings of transmitter/transmitted

Reviewed by: emaste, bcr
Sponsored by: Smule, Inc.
Differential Revision: https://reviews.freebsd.org/D16025

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.

Make clear why there is an assignment, which is not necessary.

netinet silence warnings

Ensure we are not dereferencing a NULL pointer.

This was found by Coverity scanning the usrsctp stack (CID 203808).

MFC after: 3 days

Fix a bug related to fast retransmissions.

When processing a SACK advancing the cumtsn-ack in fast recovery,
increment the miss-indications for all TSN's reported as missing.

Thanks to Fabian Ising

Fix a bug related to fast retransmissions.

When processing a SACK advancing the cumtsn-ack in fast recovery,
increment the miss-indications for all TSN's reported as missing.

Thanks to Fabian Ising for finding the bug and to Timo Voelker
for provinding a fix.

This fix moves also CMT related initialisation of some variables
to a more appropriate place.

MFC after: 1 week

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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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Merge ^/head r323559 through r325504.

Fix an accounting bug where data was counted twice if on the read
queue and on the ordered or unordered queue.
While there, improve the checking in INVARIANTs when computing the
a_rwnd.

MFC after: 3

Fix an accounting bug where data was counted twice if on the read
queue and on the ordered or unordered queue.
While there, improve the checking in INVARIANTs when computing the
a_rwnd.

MFC after: 3 days

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MFhead@r324837

While here, diff reduce some of the changes in sys/boot by moving
MK_COVERAGE=no to sys/boot/Makefile.inc .

Fix a signed/unsigned warning.

MFC after: 1 week

Abort an SCTP association, when a DATA chunk is followed by an unknown
chunk with a length smaller than the minimum length.

Thanks to Felix Weinrank for making me aware of the problem.
MFC after: 3

Abort an SCTP association, when a DATA chunk is followed by an unknown
chunk with a length smaller than the minimum length.

Thanks to Felix Weinrank for making me aware of the problem.
MFC after: 3 days

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Code cleanup, not functional change.

This avoids taking a pointer of a packed structure which allows simpler
compilation of the userland stack.

MFC after: 1 week

MFhead@r320180