netstat(1): Complete libxo transition

Reviewed by: des
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D41427

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a pe

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

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

netstat: Use valid prototypes for function declarations with no arguments.

Reviewed by: emaste
Differential Revision: https://reviews.freebsd.org/D39731

ip_mroute: refactor bw_meter API

API should work as following:
- periodicaly report Lower-or-EQual bandwidth (LEQ) connections
over kernel socket, if user application registered for such
per-flo

ip_mroute: refactor bw_meter API

API should work as following:
- periodicaly report Lower-or-EQual bandwidth (LEQ) connections
over kernel socket, if user application registered for such
per-flow notifications
- report Grater-or-EQual (GEQ) bandwidth as soon as it reaches
specified value in configured time window

Custom implementation of callouts was removed. There is no
point of doing calout-wheel here as generic callouts are
doing exactly the same. The performance is not critical
for such reporting, so the biggest concern should be
to have a code which can be easily maintained.

This is ia preparation for locking rework which is highly inefficient.

Approved by: mw
Sponsored by: Stormshield
Obtained from: Semihalf
Differential Revision: https://reviews.freebsd.org/D30210

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Fix netstat -gs with ip_mroute module and/or vnet

The code for "netstat -gs -f inet" failed if the kernel namelist did not
include the _mrtstat symbol. However, that symbol is not in a standard
kern

Fix netstat -gs with ip_mroute module and/or vnet

The code for "netstat -gs -f inet" failed if the kernel namelist did not
include the _mrtstat symbol. However, that symbol is not in a standard
kernel even with the ip_mroute module loaded, where the functionality is
available. It is also not in a kernel with MROUTING but also VIMAGE, as
there can be multiple sets of stats. However, when running the command
on a live system, the symbol is not used; a sysctl is used. Go ahead
and try the sysctl in any case, and complain that IPv4 MROUTING is not
present only if the sysctl fails with ENOENT. Also fail if _mrtstat is
not defined when running on a core file; netstat doesn't know about vnets,
so can only work if MROUTING was included, and VIMAGE was not.

Reviewed by: bz
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D22311

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Merge ^/head r325842 through r325998.

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensou

spdx: initial adoption of licensing ID tags.

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.

Initially, only tag files that use BSD 4-Clause "Original" license.

RelNotes: yes
Differential Revision: https://reviews.freebsd.org/D13133

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Merge ^/head r311314 through r311459.

Use strlcpy and snprintf in netstat(1).

Expand inet6name() line buffer to NI_MAXHOST and use strlcpy/snprintf
in various places.

Reported by: Anton Yuzhaninov <citrin citrin ru>
MFC after: 3 days
D

Use strlcpy and snprintf in netstat(1).

Expand inet6name() line buffer to NI_MAXHOST and use strlcpy/snprintf
in various places.

Reported by: Anton Yuzhaninov <citrin citrin ru>
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D8916

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Merge from head

Sponsored by: Gandi.net

Merge from head

Sync up with head (up to r288341).

Merge from head

Merge ^/head r287527 through r287679.

Use a common subroutine to fetch and zero protocol stats instead of
duplicating roughly similar code for each protocol.

MFC after: 2 weeks

Merge r286744-r287584 from head.

Merge ^/head r286858 through r287489.

Simplify kvm symbol resolution and error handling. The symbol table
nl_symbols will eventually be organized into several modules depending
on MK_* variables.

- Add -W flag support for network column in intpr() (-i flag) and
routepr() (-r flag). It is too narrow to show an IPv6 prefix
in most cases.

- Accept "local" as a synonym of "unix" in protocol

- Add -W flag support for network column in intpr() (-i flag) and
routepr() (-r flag). It is too narrow to show an IPv6 prefix
in most cases.

- Accept "local" as a synonym of "unix" in protocol family name.

- Show a prefix length in CIDR notation when name resolution failed in
netname().

- Make routename() and netname() AF-independent and remove
unnecessary typecasting from struct sockaddr.

- Use getnameinfo(3) to format L2 addr in intpr().

- Fix a bug which showed "Address" when -A flag is specfied in pr_rthdr().

- Replace cryptic GETSA() macro with SA_SIZE().

- Fix declarations shadowing local variables with the same names.

- Add more static, remove unused header files and variables.

MFC after: 1 week

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Merge sync of head

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge from head

Merge r278538 through r279514.

Merge ^/head r279023 through r279162.