Merge ^/head r325999 through r326131.

General 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 f

General 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 r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge ^/head r306412 through r306905.

Fix spurious white space introduced in r301059

r301059 accidently introduced a subtle change for point to point interfaces
where an extra space is inserted before the netmask. This can cause issues

Fix spurious white space introduced in r301059

r301059 accidently introduced a subtle change for point to point interfaces
where an extra space is inserted before the netmask. This can cause issues
for scripts that parse ifconfig output.

Submitted by: Kevin Bowling <kevin.bowling@kev009.com>
Reviewed by: hiren
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D8199

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Address feedback from hrs@ re: r301059 (ifconfig subnet mask)

- Use NI_MAXHOST to size buffers for getnameinfo()
- remove non-standard 'full' inet6 address printing
- remove 'no scope' option
- use

Address feedback from hrs@ re: r301059 (ifconfig subnet mask)

- Use NI_MAXHOST to size buffers for getnameinfo()
- remove non-standard 'full' inet6 address printing
- remove 'no scope' option
- use strchr(3) to optimize replacing separator character in lladdrs

Reviewed by: gnn, jhb
Differential Revision: https://reviews.freebsd.org/D2856

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ifconfig(8) now supports some output formatting options

specified by the -f flag or IFCONFIG_FORMAT environment variable, the user
can request that inet4 subnet masks be printed in CIDR or dotted-qu

ifconfig(8) now supports some output formatting options

specified by the -f flag or IFCONFIG_FORMAT environment variable, the user
can request that inet4 subnet masks be printed in CIDR or dotted-quad
notation, in addition to the traditional hex output.
inet6 prefixes can be printed in CIDR as well.

For more documentation see the ifconfig(8) man page.

PR: 169072
Requested by: seanc, marcel, brd, many others
Reviewed by: gnn, jhb (earlier version)
Relnotes: yes
Sponsored by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D2856

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Use strlcpy() instead of strncpy() when copying ifname to ensure
that it is NUL terminated. Additional NUL padding is not required
for short names.

Use sizeof(destination) in a few places instead o

Use strlcpy() instead of strncpy() when copying ifname to ensure
that it is NUL terminated. Additional NUL padding is not required
for short names.

Use sizeof(destination) in a few places instead of IFNAMSIZ.

Cast afp->af_ridreq and afp->af_addreq to make the intent of
the code more obvious.

Reported by: Coverity
CID: 1009628, 1009630, 1009631, 1009632, 1009633, 1009635, 1009638
CID: 1009639, 1009640, 1009641, 1009642, 1009643, 1009644, 1009645
CID: 1009646, 1009647, 1010049, 1010050, 1010051, 1010052, 1010053
CID: 1010054, 1011293, 1011294, 1011295, 1011296, 1011297, 1011298
CID: 1011299, 1305821, 1351720, 1351721
MFC after: 1 week

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User NULL instead of 0 for pointers.

gethostbyname(3) will return NULL in case of an error.

MFC after: 2 weeks.

Catch up with HEAD (r280229-r284686).

MFH: r282615-r283655

Sponsored by: The FreeBSD Foundation

Merge sync of head

Use MIN from sys/param.h instead of handrolling the macro

Replace sys/types.h with sys/param.h per-style(9)

MFC after: 3 days
Sponsored by: EMC / Isilon Storage Division

Merge from head

MFH: r280643-r281852

Sponsored by: The FreeBSD Foundation

Stop including if_var.h from userland.

Sponsored by: Nginx, Inc.

IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

Since size of struct in_aliasreq has just been changed in r228571,
and thus ifconfig(8) needs recompile, it is a good chance to make
parameter checks on SIOCAIFADDR arguments more strict.

A major overhaul of the CARP implementation. The ip_carp.c was started
from scratch, copying needed functionality from the old implemenation
on demand, with a thorough review of all code. The main ch

A major overhaul of the CARP implementation. The ip_carp.c was started
from scratch, copying needed functionality from the old implemenation
on demand, with a thorough review of all code. The main change is that
interface layer has been removed from the CARP. Now redundant addresses
are configured exactly on the interfaces, they run on.

The CARP configuration itself is, as before, configured and read via
SIOCSVH/SIOCGVH ioctls. A new prefix created with SIOCAIFADDR or
SIOCAIFADDR_IN6 may now be configured to a particular virtual host id,
which makes the prefix redundant.

ifconfig(8) semantics has been changed too: now one doesn't need
to clone carpXX interface, he/she should directly configure a vhid
on a Ethernet interface.

To supply vhid data from the kernel to an application the getifaddrs(8)
function had been changed to pass ifam_data with each address. [1]

The new implementation definitely closes all PRs related to carp(4)
being an interface, and may close several others. It also allows
to run a single redundant IP per interface.

Big thanks to Bjoern Zeeb for his help with inet6 part of patch, for
idea on using ifam_data and for several rounds of reviewing!

PR: kern/117000, kern/126945, kern/126714, kern/120130, kern/117448
Reviewed by: bz
Submitted by: bz [1]

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IFC @ r227804

Pull in the virtio drivers from head.

For unknown reason, since rev 1.1 of ifconfig.c, sin_family isn't
set properly for the mask argument.

Since I'd like to improve argument sanity checking in kernel
side, in in_control(), fix this.

Integrate FreeBSD/head into projects/zfsd/head as of SVN revision 224870.

IFC @ r224187