mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-08-09 06:14:34 +02:00
Nikolay AleksandrovandJakub Kicinski
679eb1e32d
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>
228 lines
7.7 KiB
Bash
Executable File
228 lines
7.7 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Test bridge VLAN range grouping. VLANs are collapsed into a range entry in
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# the dump if they have the same per-VLAN options. These tests verify that
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# VLANs with different per-VLAN option values are not grouped together.
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# shellcheck disable=SC1091,SC2034,SC2154,SC2317
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source lib.sh
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ALL_TESTS="
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vlan_range_neigh_suppress
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vlan_range_mcast_max_groups
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vlan_range_mcast_n_groups
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vlan_range_mcast_enabled
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vlan_range_pvid
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"
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setup_prepare()
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{
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setup_ns NS
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defer cleanup_all_ns
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ip -n "$NS" link add name br0 type bridge vlan_filtering 1 \
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vlan_default_pvid 0 mcast_snooping 1 mcast_vlan_snooping 1
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ip -n "$NS" link set dev br0 up
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ip -n "$NS" link add name dummy0 type dummy
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ip -n "$NS" link set dev dummy0 master br0
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ip -n "$NS" link set dev dummy0 up
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}
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vlan_range_neigh_suppress()
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{
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RET=0
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# Add two new consecutive VLANs for range grouping test
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bridge -n "$NS" vlan add vid 10 dev dummy0
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defer bridge -n "$NS" vlan del vid 10 dev dummy0
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bridge -n "$NS" vlan add vid 11 dev dummy0
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defer bridge -n "$NS" vlan del vid 11 dev dummy0
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# Configure different neigh_suppress values and verify no range grouping
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bridge -n "$NS" vlan set vid 10 dev dummy0 neigh_suppress on
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check_err $? "Failed to set neigh_suppress for VLAN 10"
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bridge -n "$NS" vlan set vid 11 dev dummy0 neigh_suppress off
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check_err $? "Failed to set neigh_suppress for VLAN 11"
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# Verify VLANs are not shown as a range, but individual entries exist
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_fail $? "VLANs with different neigh_suppress incorrectly grouped"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$"
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check_err $? "VLAN 10 individual entry not found"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$"
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check_err $? "VLAN 11 individual entry not found"
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# Configure same neigh_suppress value and verify range grouping
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bridge -n "$NS" vlan set vid 11 dev dummy0 neigh_suppress on
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check_err $? "Failed to set neigh_suppress for VLAN 11"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_err $? "VLANs with same neigh_suppress not grouped"
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log_test "VLAN range grouping with neigh_suppress"
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}
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vlan_range_mcast_max_groups()
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{
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RET=0
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# Add two new consecutive VLANs for range grouping test
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bridge -n "$NS" vlan add vid 10 dev dummy0
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defer bridge -n "$NS" vlan del vid 10 dev dummy0
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bridge -n "$NS" vlan add vid 11 dev dummy0
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defer bridge -n "$NS" vlan del vid 11 dev dummy0
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# Configure different mcast_max_groups values and verify no range grouping
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bridge -n "$NS" vlan set vid 10 dev dummy0 mcast_max_groups 100
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check_err $? "Failed to set mcast_max_groups for VLAN 10"
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bridge -n "$NS" vlan set vid 11 dev dummy0 mcast_max_groups 200
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check_err $? "Failed to set mcast_max_groups for VLAN 11"
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# Verify VLANs are not shown as a range, but individual entries exist
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_fail $? "VLANs with different mcast_max_groups incorrectly grouped"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$"
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check_err $? "VLAN 10 individual entry not found"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$"
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check_err $? "VLAN 11 individual entry not found"
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# Configure same mcast_max_groups value and verify range grouping
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bridge -n "$NS" vlan set vid 11 dev dummy0 mcast_max_groups 100
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check_err $? "Failed to set mcast_max_groups for VLAN 11"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_err $? "VLANs with same mcast_max_groups not grouped"
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log_test "VLAN range grouping with mcast_max_groups"
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}
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vlan_range_mcast_n_groups()
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{
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RET=0
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# Add two new consecutive VLANs for range grouping test
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bridge -n "$NS" vlan add vid 10 dev dummy0
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defer bridge -n "$NS" vlan del vid 10 dev dummy0
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bridge -n "$NS" vlan add vid 11 dev dummy0
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defer bridge -n "$NS" vlan del vid 11 dev dummy0
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# Add different numbers of multicast groups to each VLAN
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bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.1 vid 10
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check_err $? "Failed to add mdb entry to VLAN 10"
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defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.1 vid 10
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bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.2 vid 10
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check_err $? "Failed to add second mdb entry to VLAN 10"
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defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.2 vid 10
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bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.1 vid 11
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check_err $? "Failed to add mdb entry to VLAN 11"
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defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.1 vid 11
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# Verify VLANs are not shown as a range due to different mcast_n_groups
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_fail $? "VLANs with different mcast_n_groups incorrectly grouped"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$"
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check_err $? "VLAN 10 individual entry not found"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$"
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check_err $? "VLAN 11 individual entry not found"
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# Add another group to VLAN 11 to match VLAN 10's count
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bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.2 vid 11
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check_err $? "Failed to add second mdb entry to VLAN 11"
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defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.2 vid 11
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_err $? "VLANs with same mcast_n_groups not grouped"
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log_test "VLAN range grouping with mcast_n_groups"
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}
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vlan_range_mcast_enabled()
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{
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RET=0
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# Add two new consecutive VLANs for range grouping test
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bridge -n "$NS" vlan add vid 10 dev br0 self
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defer bridge -n "$NS" vlan del vid 10 dev br0 self
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bridge -n "$NS" vlan add vid 11 dev br0 self
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defer bridge -n "$NS" vlan del vid 11 dev br0 self
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bridge -n "$NS" vlan add vid 10 dev dummy0
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defer bridge -n "$NS" vlan del vid 10 dev dummy0
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bridge -n "$NS" vlan add vid 11 dev dummy0
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defer bridge -n "$NS" vlan del vid 11 dev dummy0
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# Configure different mcast_snooping for bridge VLANs
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# Port VLANs inherit BR_VLFLAG_MCAST_ENABLED from bridge VLANs
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bridge -n "$NS" vlan global set dev br0 vid 10 mcast_snooping 1
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bridge -n "$NS" vlan global set dev br0 vid 11 mcast_snooping 0
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# Verify port VLANs are not grouped due to different mcast_enabled
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_fail $? "VLANs with different mcast_enabled incorrectly grouped"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$"
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check_err $? "VLAN 10 individual entry not found"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$"
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check_err $? "VLAN 11 individual entry not found"
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# Configure same mcast_snooping and verify range grouping
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bridge -n "$NS" vlan global set dev br0 vid 11 mcast_snooping 1
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11"
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check_err $? "VLANs with same mcast_enabled not grouped"
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log_test "VLAN range grouping with mcast_enabled"
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}
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vlan_range_pvid()
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{
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RET=0
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ip -n "$NS" link set dev br0 type bridge vlan_default_pvid 1
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check_err $? "Failed to configure default PVID"
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defer ip -n "$NS" link set dev br0 type bridge vlan_default_pvid 0
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bridge -n "$NS" vlan add vid 2 dev dummy0 untagged
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check_err $? "Failed to add VLAN 2"
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defer bridge -n "$NS" vlan del vid 2 dev dummy0
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bridge -n "$NS" -d vlan show dev dummy0 |
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grep -Eq '(^|[[:space:]])2([[:space:]]|$)'
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check_err $? "VLAN following PVID is missing from detailed dump"
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bridge -n "$NS" -d vlan show dev dummy0 | grep -q "1-2"
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check_fail $? "PVID was incorrectly included in a VLAN range"
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log_test "PVID is isolated from VLAN dump ranges"
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}
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# Verify the newest tested option is supported
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if ! bridge vlan help 2>&1 | grep -q "neigh_suppress"; then
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echo "SKIP: iproute2 too old, missing per-VLAN neighbor suppression support"
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exit "$ksft_skip"
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fi
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trap defer_scopes_cleanup EXIT
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setup_prepare
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tests_run
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exit "$EXIT_STATUS"
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