diff options
Diffstat (limited to 'tools/testing/selftests/net/bridge_vlan_dump.sh')
| -rwxr-xr-x | tools/testing/selftests/net/bridge_vlan_dump.sh | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/bridge_vlan_dump.sh b/tools/testing/selftests/net/bridge_vlan_dump.sh new file mode 100755 index 000000000000..ad66731d2a6f --- /dev/null +++ b/tools/testing/selftests/net/bridge_vlan_dump.sh @@ -0,0 +1,204 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test bridge VLAN range grouping. VLANs are collapsed into a range entry in +# the dump if they have the same per-VLAN options. These tests verify that +# VLANs with different per-VLAN option values are not grouped together. + +# shellcheck disable=SC1091,SC2034,SC2154,SC2317 +source lib.sh + +ALL_TESTS=" + vlan_range_neigh_suppress + vlan_range_mcast_max_groups + vlan_range_mcast_n_groups + vlan_range_mcast_enabled +" + +setup_prepare() +{ + setup_ns NS + defer cleanup_all_ns + + ip -n "$NS" link add name br0 type bridge vlan_filtering 1 \ + vlan_default_pvid 0 mcast_snooping 1 mcast_vlan_snooping 1 + ip -n "$NS" link set dev br0 up + + ip -n "$NS" link add name dummy0 type dummy + ip -n "$NS" link set dev dummy0 master br0 + ip -n "$NS" link set dev dummy0 up +} + +vlan_range_neigh_suppress() +{ + RET=0 + + # Add two new consecutive VLANs for range grouping test + bridge -n "$NS" vlan add vid 10 dev dummy0 + defer bridge -n "$NS" vlan del vid 10 dev dummy0 + + bridge -n "$NS" vlan add vid 11 dev dummy0 + defer bridge -n "$NS" vlan del vid 11 dev dummy0 + + # Configure different neigh_suppress values and verify no range grouping + bridge -n "$NS" vlan set vid 10 dev dummy0 neigh_suppress on + check_err $? "Failed to set neigh_suppress for VLAN 10" + + bridge -n "$NS" vlan set vid 11 dev dummy0 neigh_suppress off + check_err $? "Failed to set neigh_suppress for VLAN 11" + + # Verify VLANs are not shown as a range, but individual entries exist + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_fail $? "VLANs with different neigh_suppress incorrectly grouped" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$" + check_err $? "VLAN 10 individual entry not found" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$" + check_err $? "VLAN 11 individual entry not found" + + # Configure same neigh_suppress value and verify range grouping + bridge -n "$NS" vlan set vid 11 dev dummy0 neigh_suppress on + check_err $? "Failed to set neigh_suppress for VLAN 11" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_err $? "VLANs with same neigh_suppress not grouped" + + log_test "VLAN range grouping with neigh_suppress" +} + +vlan_range_mcast_max_groups() +{ + RET=0 + + # Add two new consecutive VLANs for range grouping test + bridge -n "$NS" vlan add vid 10 dev dummy0 + defer bridge -n "$NS" vlan del vid 10 dev dummy0 + + bridge -n "$NS" vlan add vid 11 dev dummy0 + defer bridge -n "$NS" vlan del vid 11 dev dummy0 + + # Configure different mcast_max_groups values and verify no range grouping + bridge -n "$NS" vlan set vid 10 dev dummy0 mcast_max_groups 100 + check_err $? "Failed to set mcast_max_groups for VLAN 10" + + bridge -n "$NS" vlan set vid 11 dev dummy0 mcast_max_groups 200 + check_err $? "Failed to set mcast_max_groups for VLAN 11" + + # Verify VLANs are not shown as a range, but individual entries exist + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_fail $? "VLANs with different mcast_max_groups incorrectly grouped" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$" + check_err $? "VLAN 10 individual entry not found" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$" + check_err $? "VLAN 11 individual entry not found" + + # Configure same mcast_max_groups value and verify range grouping + bridge -n "$NS" vlan set vid 11 dev dummy0 mcast_max_groups 100 + check_err $? "Failed to set mcast_max_groups for VLAN 11" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_err $? "VLANs with same mcast_max_groups not grouped" + + log_test "VLAN range grouping with mcast_max_groups" +} + +vlan_range_mcast_n_groups() +{ + RET=0 + + # Add two new consecutive VLANs for range grouping test + bridge -n "$NS" vlan add vid 10 dev dummy0 + defer bridge -n "$NS" vlan del vid 10 dev dummy0 + + bridge -n "$NS" vlan add vid 11 dev dummy0 + defer bridge -n "$NS" vlan del vid 11 dev dummy0 + + # Add different numbers of multicast groups to each VLAN + bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.1 vid 10 + check_err $? "Failed to add mdb entry to VLAN 10" + defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.1 vid 10 + + bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.2 vid 10 + check_err $? "Failed to add second mdb entry to VLAN 10" + defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.2 vid 10 + + bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.1 vid 11 + check_err $? "Failed to add mdb entry to VLAN 11" + defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.1 vid 11 + + # Verify VLANs are not shown as a range due to different mcast_n_groups + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_fail $? "VLANs with different mcast_n_groups incorrectly grouped" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$" + check_err $? "VLAN 10 individual entry not found" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$" + check_err $? "VLAN 11 individual entry not found" + + # Add another group to VLAN 11 to match VLAN 10's count + bridge -n "$NS" mdb add dev br0 port dummy0 grp 239.1.1.2 vid 11 + check_err $? "Failed to add second mdb entry to VLAN 11" + defer bridge -n "$NS" mdb del dev br0 port dummy0 grp 239.1.1.2 vid 11 + + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_err $? "VLANs with same mcast_n_groups not grouped" + + log_test "VLAN range grouping with mcast_n_groups" +} + +vlan_range_mcast_enabled() +{ + RET=0 + + # Add two new consecutive VLANs for range grouping test + bridge -n "$NS" vlan add vid 10 dev br0 self + defer bridge -n "$NS" vlan del vid 10 dev br0 self + + bridge -n "$NS" vlan add vid 11 dev br0 self + defer bridge -n "$NS" vlan del vid 11 dev br0 self + + bridge -n "$NS" vlan add vid 10 dev dummy0 + defer bridge -n "$NS" vlan del vid 10 dev dummy0 + + bridge -n "$NS" vlan add vid 11 dev dummy0 + defer bridge -n "$NS" vlan del vid 11 dev dummy0 + + # Configure different mcast_snooping for bridge VLANs + # Port VLANs inherit BR_VLFLAG_MCAST_ENABLED from bridge VLANs + bridge -n "$NS" vlan global set dev br0 vid 10 mcast_snooping 1 + bridge -n "$NS" vlan global set dev br0 vid 11 mcast_snooping 0 + + # Verify port VLANs are not grouped due to different mcast_enabled + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_fail $? "VLANs with different mcast_enabled incorrectly grouped" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+10$|^\s+10$" + check_err $? "VLAN 10 individual entry not found" + + bridge -n "$NS" -d vlan show dev dummy0 | grep -Eq "^\S+\s+11$|^\s+11$" + check_err $? "VLAN 11 individual entry not found" + + # Configure same mcast_snooping and verify range grouping + bridge -n "$NS" vlan global set dev br0 vid 11 mcast_snooping 1 + + bridge -n "$NS" -d vlan show dev dummy0 | grep -q "10-11" + check_err $? "VLANs with same mcast_enabled not grouped" + + log_test "VLAN range grouping with mcast_enabled" +} + +# Verify the newest tested option is supported +if ! bridge vlan help 2>&1 | grep -q "neigh_suppress"; then + echo "SKIP: iproute2 too old, missing per-VLAN neighbor suppression support" + exit "$ksft_skip" +fi + +trap defer_scopes_cleanup EXIT +setup_prepare +tests_run + +exit "$EXIT_STATUS" |