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selftests: forwarding: Add VxLAN tests with a VLAN-unaware bridge for IPv6

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Add tests similar to vxlan_bridge_1d.sh and vxlan_bridge_1d_port_8472.sh.

The tests set up a topology with three VxLAN endpoints: one
"local", possibly offloaded, and two "remote", formed using veth pairs
and likely purely software bridges. The "local" endpoint is connected to
host systems by a VLAN-unaware bridge.

Since VxLAN tunnels must be unique per namespace, each of the "remote"
endpoints is in its own namespace. H3 forms the bridge between the three
domains.

Send IPv4 packets and IPv6 packets with IPv6 underlay.
Use `TC_FLAG`, which is defined in `forwarding.config` file, for TC
checks. `TC_FLAG` allows testing that on HW datapath, the traffic
actually goes through HW.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Amit Cohen
2021-12-21 16:49:44 +02:00
committed by Jakub Kicinski
parent 0cd0b1f7a6
commit b07e9957f2
2 changed files with 815 additions and 0 deletions
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804
tools/testing/selftests/net/forwarding/vxlan_bridge_1d_ipv6.sh Executable file
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tools/testing/selftests/net/forwarding/vxlan_bridge_1d_port_8472_ipv6.sh Executable file
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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# A wrapper to run VXLAN tests with an unusual port number.
VXPORT=8472
ALL_TESTS="
ping_ipv4
ping_ipv6
"
source vxlan_bridge_1d_ipv6.sh