Mirroring tests involving VLAN

This patchset tests mirror-to-gretap with various underlay configurations involving VLAN netdevice in particular. Some of the tests involve bridges as well, but tests aimed specifically at testing bridges (i.e. FDB, STP) are not part of this patchset.

In patches #1-#6, the codebase is adapted to support the new tests.

In patch #7, a test for mirroring to VLAN is introduced.

Patches #8-#10 add three tests where VLAN is part of underlay path after gretap encapsulation.

Petr Machata (10):
selftests: forwarding: Split mirror_gre_topo_lib.sh
selftests: forwarding: mirror_gre_lib: Extract generic functions
selftests: forwarding: Add $h3's clsact to mirror_topo_lib.sh
selftests: forwarding: lib: Support VLAN devices
selftests: forwarding: mirror_gre_lib: Support VLAN
selftests: forwarding: lib: Extract trap_{,un}install()
selftests: forwarding: Test mirror-to-vlan
selftests: forwarding: Test mirror-to-gre w/ UL VLAN+802.1q
selftests: forwarding: Test mirror-to-gre w/ UL VLAN
selftests: forwarding: Test mirror-to-gre w/ UL 802.1d+VLAN

 tools/testing/selftests/net/forwarding/lib.sh      |  52 +++++--
 .../testing/selftests/net/forwarding/mirror_gre.sh |   2 -
 .../net/forwarding/mirror_gre_bridge_1d_vlan.sh    | 109 +++++++++++++
 .../selftests/net/forwarding/mirror_gre_changes.sh |   2 -
 .../selftests/net/forwarding/mirror_gre_lib.sh     |  61 +++++---
 .../net/forwarding/mirror_gre_topo_lib.sh          |  53 ++-----
 .../selftests/net/forwarding/mirror_gre_vlan.sh    |  92 +++++++++++
 .../net/forwarding/mirror_gre_vlan_bridge_1q.sh    | 140 +++++++++++++++++
 .../testing/selftests/net/forwarding/mirror_lib.sh |  54 +++++++
 .../selftests/net/forwarding/mirror_topo_lib.sh    | 101 ++++++++++++
 .../selftests/net/forwarding/mirror_vlan.sh        | 169 +++++++++++++++++++++
 11 files changed, 754 insertions(+), 81 deletions(-)
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_bridge_1d_vlan.sh
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_vlan.sh
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_gre_vlan_bridge_1q.sh
 create mode 100644 tools/testing/selftests/net/forwarding/mirror_topo_lib.sh
 create mode 100755 tools/testing/selftests/net/forwarding/mirror_vlan.sh

2.4.11

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