As of r347410 IPSec is no longer built into GENERIC. The ipsec.ko module must
be loaded before we can execute the IPSec tests.
Check this, and skip the tests if IPSec is not available.
The netipsec and pf tests have a number of common test functions. These
used to be duplicated, but it makes more sense for them to re-use the
common functions.
PR: 236223
Originally, these tests accidentally used broadcast addresses when they
should've used unicast addresses. That the tests passed prior to r337736
was accidental.
Submitted by: ae
Reviewed by: olivier
MFC after: 2 weeks
Some IPSec in tunnel mode allowing to test multiple IPSec
configurations. These tests are reusing the jail/vnet scripts from pf
tests for generating complex network.
Submitted by: olivier@
Differential Revision: https://reviews.freebsd.org/D13017
