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selftests: net: bridge: test ranges with PVID VLAN

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Add a test with PVID VLAN that matches the flags of the VLAN following it
and check if the range is properly dumped. PVID VLAN should be on its own
and all VLANs should be present in the dump.

Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260721140922.682265-3-razor@blackwall.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2026-07-21 17:09:22 +03:00 committed by Jakub Kicinski
parent 43171c97e4
commit 679eb1e32d
1 changed files with 23 additions and 0 deletions
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23
tools/testing/selftests/net/bridge_vlan_dump.sh
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@ -13,6 +13,7 @@ ALL_TESTS="
vlan_range_mcast_max_groups
vlan_range_mcast_n_groups
vlan_range_mcast_enabled
vlan_range_pvid
"
setup_prepare()
@ -191,6 +192,28 @@ vlan_range_mcast_enabled()
log_test "VLAN range grouping with mcast_enabled"
}
vlan_range_pvid()
{
RET=0
ip -n "$NS" link set dev br0 type bridge vlan_default_pvid 1
check_err $? "Failed to configure default PVID"
defer ip -n "$NS" link set dev br0 type bridge vlan_default_pvid 0
bridge -n "$NS" vlan add vid 2 dev dummy0 untagged
check_err $? "Failed to add VLAN 2"
defer bridge -n "$NS" vlan del vid 2 dev dummy0
bridge -n "$NS" -d vlan show dev dummy0 |
grep -Eq '(^|[[:space:]])2([[:space:]]|$)'
check_err $? "VLAN following PVID is missing from detailed dump"
bridge -n "$NS" -d vlan show dev dummy0 | grep -q "1-2"
check_fail $? "PVID was incorrectly included in a VLAN range"
log_test "PVID is isolated from VLAN dump ranges"
}
# Verify the newest tested option is supported
if ! bridge vlan help 2>&1 | grep -q "neigh_suppress"; then
echo "SKIP: iproute2 too old, missing per-VLAN neighbor suppression support"