vnet tests: check for if_bridge.ko

A number of tests create a bridge, but did not check if if_bridge.ko is loaded.

We usually get away with that, because `ifconfig bridge create` autoloads the
modu

vnet tests: check for if_bridge.ko

A number of tests create a bridge, but did not check if if_bridge.ko is loaded.

We usually get away with that, because `ifconfig bridge create` autoloads the
module, but if we run the tests in a jail (e.g. because of kyua's upcoming
execenv.jail.params feature) we can't load the module and these tests can fail.

Check if the module is loaded, skip the test if it is not.

Reviewed by: markj
MFC after: 1 week
Event: Kitchener-Waterloo Hackathon 202406
Differential Revision: https://reviews.freebsd.org/D45487

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netinet tests: basic VRRP tests

Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D44775

Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

carp test: improve jail names for unicast_ll_v6 test

Rename the jails used in the unicast_ll_v6 test, to ensure the jail
names are unique to this test.
That is one of the requirements for running th

carp test: improve jail names for unicast_ll_v6 test

Rename the jails used in the unicast_ll_v6 test, to ensure the jail
names are unique to this test.
That is one of the requirements for running these tests in parallel.

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carp tests: test unicast carp via link-local addresses

Sponsored by: Rubicon Communications, LLC ("Netgate")

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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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carp tests: unicast tests (IPv6)

Test the new unicast carp mode for IPv6.

There's a routing hop between the peers, to ensure that the TTL check is
correctly disabled for unicast carp.

Sponsored by

carp tests: unicast tests (IPv6)

Test the new unicast carp mode for IPv6.

There's a routing hop between the peers, to ensure that the TTL check is
correctly disabled for unicast carp.

Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D38942

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carp tests: unicast tests (IPv4)

Test the new unicast carp mode for IPv4.

There's a routing hop between the peers, to ensure that the TTL check is
correctly disabled for unicast carp.

Sponsored by

carp tests: unicast tests (IPv4)

Test the new unicast carp mode for IPv4.

There's a routing hop between the peers, to ensure that the TTL check is
correctly disabled for unicast carp.

Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D38941

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carp tests: test manually switch between backup and master

There's been at least one issue where we failed to correctly enter
NET_EPOCH that was triggered in this scenario.
Add a test case for it to

carp tests: test manually switch between backup and master

There's been at least one issue where we failed to correctly enter
NET_EPOCH that was triggered in this scenario.
Add a test case for it to make it easier to detect issues like this in
the future.

Reviewed by: zlei
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D39115

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carp tests: ensure exactly one jail is master

Verify that we only have one master, not two.

Sponsored by: Rubicon Communications, LLC ("Netgate")

tests/netinet: add test for IPv6 NS and CARP

PR: 193280
Reviewed by: melifaro
Differential revision: https://reviews.freebsd.org/D33859

carp tests: negative demotion

PR: 259528
Reviewed by: donner
MFC after: 3 weeks
Sponsored by: Modirum MDPay
Differential Revision: https://reviews.freebsd.org/D32760

ping: fix some man pages and tests after r368045

MFC-with: r368045

carp tests: Basic functionality test

Set up three vnet jails, bridged together. Run carp between two of them.
Attempt to provoke locking / epoch issues.

Reviewed by: mav (previous version), melifar

carp tests: Basic functionality test

Set up three vnet jails, bridged together. Run carp between two of them.
Attempt to provoke locking / epoch issues.

Reviewed by: mav (previous version), melifaro, asomers
Differential Revision: https://reviews.freebsd.org/D24303

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