tcp: remove support for TCPPCAP

This feature could be used to store the last sent and received TCP
packets for a TCP endpoint. There was no utility to get these packets
from a live system or core.
T

tcp: remove support for TCPPCAP

This feature could be used to store the last sent and received TCP
packets for a TCP endpoint. There was no utility to get these packets
from a live system or core.
This functionality is now provided by TCP Black Box Logging, which also
stores additional events. There are tools to get these traces from a
live system or a core.
Therefore remove TCPPCAP to avoid maintaining it, when it is not
used anymore.

Reviewed by: rrs, rscheff, Peter Lei, glebiu
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D49589

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tcpsso: remove support for some IPPROTO_TCP-level socket option names

Remove support for IPPROTO_TCP-level socket option names, because these
names will be removed from the source tree soon.
The cor

tcpsso: remove support for some IPPROTO_TCP-level socket option names

Remove support for IPPROTO_TCP-level socket option names, because these
names will be removed from the source tree soon.
The corresponding socket options are not implemented by the TCP stack
at all.
This change was suggested by Peter Lei.

Reviewed by: cc
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D46437

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tcpsso: remove support for TCP_BBR_POLICER_DETECT

TCP_BBR_POLICER_DETECT will be removed by an upcoming commit.

Reviewed by: rrs
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews

tcpsso: remove support for TCP_BBR_POLICER_DETECT

TCP_BBR_POLICER_DETECT will be removed by an upcoming commit.

Reviewed by: rrs
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D46244

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tcpsso: support TIME_WAIT state

TCP endpoints in TIME_WAIT are not handled in a special way anymore.
Therefore, they can be handled now by tcpsso.

Reviewed by: rscheff
MFC after: 1 week
Sponsored

tcpsso: support TIME_WAIT state

TCP endpoints in TIME_WAIT are not handled in a special way anymore.
Therefore, they can be handled now by tcpsso.

Reviewed by: rscheff
MFC after: 1 week
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D43351

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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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tcp_sso: add support for TCP_MAXUNACKTIME

Reported by: rscheff@
Reviewed by: rscheff@
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D36802

usr.sbin: add tcpsso

tcpsso is a command line tool to apply a socket option to an
existing TCP endpoint, which is identified by the inp_gencnt.
tcpsso can be used, for example, to switch the congest

usr.sbin: add tcpsso

tcpsso is a command line tool to apply a socket option to an
existing TCP endpoint, which is identified by the inp_gencnt.
tcpsso can be used, for example, to switch the congestion control
module or the TCP stack.

Reviewed by: rrs, rscheff, debdrup, pau amma
Relnotes: yes
Sponsored by: Netflix, Inc.
Differential Revision: https://reviews.freebsd.org/D34139

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