Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

rtsol: introduce an 'always' script

In addition to the 'M' and 'O' scripts (for when 'Managed' and 'Other'
flags are set) also introduce an 'always' script that is called for any
router advertisemen

rtsol: introduce an 'always' script

In addition to the 'M' and 'O' scripts (for when 'Managed' and 'Other'
flags are set) also introduce an 'always' script that is called for any
router advertisement (so even if M and O are not set).

This is primarly useful for systems like pfSense that wish to be
informed of routers for further system configuration.

See also https://redmine.pfsense.org/issues/14072

Reviewed by: melifaro
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D39931

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rtsold: Note network interfaces changing index when removed/inserted

Remove reference to PCMCIA. The issue is more generic than that. Also,
it does apply to FreeBSD, so no need to hedge about some O

rtsold: Note network interfaces changing index when removed/inserted

Remove reference to PCMCIA. The issue is more generic than that. Also,
it does apply to FreeBSD, so no need to hedge about some OSes. The index
won't change if no other interfaces are created after the card is
removed, so note that it may change, not will change.

Suggested by: phk
Reviewed by: gleb
Sponsored by: Netflix

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rtsol/rtsold: Add option to skip random delay

In accordance with a SHOULD in RFC 4861, rtsol and rtsold wait a
random time between zero and one (aka MAX_RTR_SOLICITATION_DELAY)
seconds before sendin

rtsol/rtsold: Add option to skip random delay

In accordance with a SHOULD in RFC 4861, rtsol and rtsold wait a
random time between zero and one (aka MAX_RTR_SOLICITATION_DELAY)
seconds before sending a Router Solicitation, in order to avoid
network congestion if many hosts come online at once. (The
question of how many hosts would be required to cause congestion
by each sending a single packet on a Gbps+ network is left to the
reader.)

The new option -i disables this wait and instructs rtsol and rtsold
to send the Router Solicitation immediately.

Reviewed by: bz, kp (earlier version)
MFC after: 1 week
Relnotes: yes
Sponsored by: https://www.patreon.com/cperciva
Differential Revision: https://reviews.freebsd.org/D32956

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rtsold: pass sending router address to other and managed script

Reviewed by: markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31518

rtsold: auto-probe point to point interfaces

rtsold works fine for point to point interfaces in manual mode but will
not auto-probe them.

Reviewed by: markj
MFC after: 1 week
Differential Revision:

rtsold: auto-probe point to point interfaces

rtsold works fine for point to point interfaces in manual mode but will
not auto-probe them.

Reviewed by: markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31517

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MFH

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

rtsol(d): add script for "M bit"

While we do support the "O bit" running a script (usually to start a
dhcpv6 client) we have no options for setups which set the "M bit" for,
e.g., static address ass

rtsol(d): add script for "M bit"

While we do support the "O bit" running a script (usually to start a
dhcpv6 client) we have no options for setups which set the "M bit" for,
e.g., static address assignment as in EC2.

Duplicate most of the "O bit" logic to also start a script for the
"M bit" with the one difference: if the "M bit" is set we will not
start the script for the "O bit" as well (per RFC 4861, Section 4.2).

Reviewed by: hrs, markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D26099

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Merge ^/head r339670 through r339812.

Clarify the description of the -u option.

MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

- Fix wording. [1]
- Improve the descriptions in the FILES section. [2]

Reported by: Jason McIntyre [1]
Obtained from: NetBSD [2]
MFC after: 3 days

Correct the description of the -a option: rtsol(d) -a will in fact send out
router solicitations on multiple interfaces.

Reviewed by: hrs
MFC after: 1 week

IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

Spelling fixes for usr.sbin/

MFC

IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

- Add ":origin" label to the interface id for resolvconf(8). (r223149)
- Add -u option to enable adding :[RA-source-address] to the interface id.
(r223149)
- s/INET6_ADDRSTRLEN/sizeof(ntopbuf)/ (r

- Add ":origin" label to the interface id for resolvconf(8). (r223149)
- Add -u option to enable adding :[RA-source-address] to the interface id.
(r223149)
- s/INET6_ADDRSTRLEN/sizeof(ntopbuf)/ (r223149)
- Fix a bug that can prevent -D from being overridden by -d. (r223149)
- /-P pidfile/-p pidfile/ for consistency with rtadvd(8). (r223149)
- Fix -F flag handling to support receiving RAs even when ip6.forwarding=1.
(r225150)

Approved by: re (kib)

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IFC @ r222830

MFC

- Implement RDNSS and DNSSL options (RFC 6106, IPv6 Router Advertisement
Options for DNS Configuration) into rtadvd(8) and rtsold(8). DNS
information received by rtsold(8) will go to resolv.conf

- Implement RDNSS and DNSSL options (RFC 6106, IPv6 Router Advertisement
Options for DNS Configuration) into rtadvd(8) and rtsold(8). DNS
information received by rtsold(8) will go to resolv.conf(5) by
resolvconf(8) script. This is based on work by J.R. Oldroyd (kern/156259)
but revised extensively[1].

- rtadvd(8) now supports "noifprefix" to disable gathering on-link prefixes
from interfaces when no "addr" is specified[2]. An entry in rtadvd.conf
with "noifprefix" + no "addr" generates an RA message with no prefix
information option.

- rtadvd(8) now supports RTM_IFANNOUNCE message to fix crashes when an
interface is added or removed.

- Correct bogus ND_OPT_ROUTE_INFO value to one in RFC 4191.

Reviewed by: bz[1]
PR: kern/156259 [1]
PR: bin/152458 [2]

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