sctp: make sure all SCTP RESET notifications use sctp_ulp_notify()

While there, improve consistency of the notification related code.
No functional change intended.

MFC after: 3 days

sctp: cleanup cdefs.h include

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

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

sctp: initial implementation of draft-tuexen-tsvwg-sctp-zero-checksum

sctp: improve handling of sctp inpcb flags

Use an atomic operation when the inp is not write locked.

Reported by: syzbot+bf27083e9a3f8fde8b4d@syzkaller.appspotmail.com
MFC after: 3 days

sctp: cleanup the SCTP_MAXSEG socket option.

This patch makes the handling of the SCTP_MAXSEG socket option
compliant with RFC 6458 (SCTP socket API) and fixes an issue
found by syzkaller.

Reported

sctp: cleanup the SCTP_MAXSEG socket option.

This patch makes the handling of the SCTP_MAXSEG socket option
compliant with RFC 6458 (SCTP socket API) and fixes an issue
found by syzkaller.

Reported by: syzbot+a2791b89ab99121e3333@syzkaller.appspotmail.com
MFC after: 3 days

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sctp: Fix errno in case of association setup failures

Do not report always ETIMEDOUT, but only when appropriate. In
other cases report ECONNABORTED.

MFC after: 3 days

sctp: use RTO.Initial of 1 second as specified in RFC 4960bis

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

MFH

Sponsored by: Rubicon Communications, LLC (netgate.com)

Detect and handle an invalid reassembly constellation, which results in
a memory leak.

Thanks to Felix Weinrank for finding this issue using fuzz testing the
userland stack.

MFC after: 1 week

Whitespace change due to upstream cleanup.

MFC after: 1 week

More cleanups due to ifdef cleanup done upstream

MFC after: 1 week

Retire SCTP_SO_LOCK_TESTING.

This was intended to test the locking used in the MacOS X kernel on a
FreeBSD system, to make use of WITNESS and other debugging infrastructure.
This hasn't been used fo

Retire SCTP_SO_LOCK_TESTING.

This was intended to test the locking used in the MacOS X kernel on a
FreeBSD system, to make use of WITNESS and other debugging infrastructure.
This hasn't been used for ages, to take it out to reduce the #ifdef
complexity.

MFC after: 1 week

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Non-functional changes due to cleanup (upstream removing of Panda support)
of the code

MFC after: 1 week

Handle integer overflows correctly when converting msecs and secs to
ticks and vice versa.
These issues were caught by recently added panic() calls on INVARIANTS
systems.

Reported by: syzbot+b44787

Handle integer overflows correctly when converting msecs and secs to
ticks and vice versa.
These issues were caught by recently added panic() calls on INVARIANTS
systems.

Reported by: syzbot+b44787b4be7096cd1590@syzkaller.appspotmail.com
Reported by: syzbot+35f82d22805c1e899685@syzkaller.appspotmail.com
MFC after: 1 week

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Merge ^/head r358131 through r358178.

Remove an unused timer type.

MFC after: 1 week

Merge ^/head r357408 through r357661.

Improve numbering of debug information.

Submitted by: Taylor Brandstetter
MFC after: 1 week

Limit the user-controllable amount of memory the kernel allocates
via IPPROTO_SCTP level socket options.

This issue was found by running syzkaller.

MFC after: 1 week

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.