[PATCH net-next mlxsw v2 0/5] A test for mirror-to-gretap with LAG in UL packet path

[Petr Machata]

This patchset adds a test for "tc action mirred mirror" where the
mirrored-to device is a gretap, and underlay path contains a LAG device.

In patches #1 and #2, some helper infrastructure is introduced:
require_command(), which should henceforth be used to declare dependence
on a certain tool; and setup_wait_dev() is split out of setup_wait() as
a helper for waiting on a single device.

In patch #3, two new functions, team_create() and team_destroy(), are
added to lib.sh.

The newly-added test uses arping, which isn't necessarily available.
Therefore patch #4 introduces $ARPING, and a preexisting test is fixed
to require_command $ARPING.

In patch #5, the new test is actually added.

Changes from v1 to v2:

- Introduce patches #1 and #4
- Introduce $ARPING and $TEAMD

Petr Machata (5):
  selftests: forwarding: lib: Add require_command()
  selftests: forwarding: lib: Split out setup_wait_dev()
  selftests: forwarding: lib: Support team devices
  selftests: forwarding: Introduce $ARPING
  selftests: forwarding: Test mirror-to-gretap w/ UL team

 tools/testing/selftests/net/forwarding/lib.sh      |  68 ++++--
 .../net/forwarding/mirror_gre_bridge_1q_lag.sh     | 248 +++++++++++++++++++++
 .../net/forwarding/mirror_gre_vlan_bridge_1q.sh    |   6 +-
 3 files changed, 303 insertions(+), 19 deletions(-)
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q_lag.sh

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2.4.11