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selftests: router_bridge: Add tests to remove and add PVID 

This test relies on PVID being configured on the bridge itself. Thus when
it is deconfigured, the system should lose the ability to forward traffic.
Later when it is added again, the ability to forward traffic should be
regained. Add tests to exercise these configuration changes and verify
results.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2023-07-13 18:15:31 +02:00 committed by David S. Miller
parent 5f44a7144c
commit c7203a2981
1 changed files with 50 additions and 0 deletions
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50
tools/testing/selftests/net/forwarding/router_bridge.sh
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@ -1,9 +1,33 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# +------------------------+ +----------------------+
# | H1 (vrf) | | H2 (vrf) |
# | + $h1 | | + $h2 |
# | | 192.0.2.1/28 | | | 192.0.2.130/28 |
# | | 2001:db8:1::1/64 | | | 2001:db8:2::2/64 |
# | | | | | |
# +----|-------------------+ +--|-------------------+
# | |
# +----|--------------------------------------------------|-------------------+
# | SW | | |
# | +--|-----------------------------+ + $swp2 |
# | | + $swp1 BR1 (802.1q) | 192.0.2.129/28 |
# | | 192.0.2.2/28 | 2001:db8:2::1/64 |
# | | 2001:db8:1::1/64 | |
# | | | |
# | +--------------------------------+ |
# +---------------------------------------------------------------------------+
ALL_TESTS="
ping_ipv4
ping_ipv6
config_remove_pvid
ping_ipv4_fails
ping_ipv6_fails
config_add_pvid
ping_ipv4
ping_ipv6
"
NUM_NETIFS=4
source lib.sh
@ -62,6 +86,22 @@ router_destroy()
ip link del dev br1
}
config_remove_pvid()
{
log_info "Remove PVID from the bridge"
bridge vlan add dev br1 vid 1 self
sleep 2
}
config_add_pvid()
{
log_info "Add PVID to the bridge"
bridge vlan add dev br1 vid 1 self pvid untagged
sleep 2
}
setup_prepare()
{
h1=${NETIFS[p1]}
@ -104,6 +144,16 @@ ping_ipv6()
ping6_test $h1 2001:db8:2::2
}
ping_ipv4_fails()
{
ping_test_fails $h1 192.0.2.130
}
ping_ipv6_fails()
{
ping6_test_fails $h1 2001:db8:2::2
}
trap cleanup EXIT
setup_prepare