Add a test that exercises bridge binding.
Signed-off-by: Petr Machata <petrm@xxxxxxxxxx>
Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxx>
---
CC: Shuah Khan <shuah@xxxxxxxxxx>
CC: linux-kselftest@xxxxxxxxxxxxxxx
---
tools/testing/selftests/net/Makefile | 1 +
.../selftests/net/vlan_bridge_binding.sh | 256 ++++++++++++++++++
2 files changed, 257 insertions(+)
create mode 100755 tools/testing/selftests/net/vlan_bridge_binding.sh
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index f09bd96cc978..73ee88d6b043 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -96,6 +96,7 @@ TEST_PROGS += test_bridge_backup_port.sh
TEST_PROGS += fdb_flush.sh fdb_notify.sh
TEST_PROGS += fq_band_pktlimit.sh
TEST_PROGS += vlan_hw_filter.sh
+TEST_PROGS += vlan_bridge_binding.sh
TEST_PROGS += bpf_offload.py
TEST_PROGS += ipv6_route_update_soft_lockup.sh
TEST_PROGS += busy_poll_test.sh
diff --git a/tools/testing/selftests/net/vlan_bridge_binding.sh b/tools/testing/selftests/net/vlan_bridge_binding.sh
new file mode 100755
index 000000000000..e7cb8c678bde
--- /dev/null
+++ b/tools/testing/selftests/net/vlan_bridge_binding.sh
@@ -0,0 +1,256 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source lib.sh
+
+ALL_TESTS="
+ test_binding_on
+ test_binding_off
+ test_binding_toggle_on
+ test_binding_toggle_off
+ test_binding_toggle_on_when_upper_down
+ test_binding_toggle_off_when_upper_down
+ test_binding_toggle_on_when_lower_down
+ test_binding_toggle_off_when_lower_down
+"
+
+setup_prepare()
+{
+ local port
+
+ ip_link_add br up type bridge vlan_filtering 1
+
+ for port in d1 d2 d3; do
+ ip_link_add $port type veth peer name r$port
+ ip_link_set_up $port
+ ip_link_set_up r$port
+ ip_link_set_master $port br
+ done
+
+ bridge_vlan_add vid 11 dev br self
+ bridge_vlan_add vid 11 dev d1 master
+
+ bridge_vlan_add vid 12 dev br self
+ bridge_vlan_add vid 12 dev d2 master
+
+ bridge_vlan_add vid 13 dev br self
+ bridge_vlan_add vid 13 dev d1 master
+ bridge_vlan_add vid 13 dev d2 master
+
+ bridge_vlan_add vid 14 dev br self
+ bridge_vlan_add vid 14 dev d1 master
+ bridge_vlan_add vid 14 dev d2 master
+ bridge_vlan_add vid 14 dev d3 master
+}
+
+operstate_is()
+{
+ local dev=$1; shift
+ local expect=$1; shift
+
+ local operstate=$(ip -j link show $dev | jq -r .[].operstate)
+ if [[ $operstate == UP ]]; then
+ operstate=1
+ elif [[ $operstate == DOWN || $operstate == LOWERLAYERDOWN ]]; then
+ operstate=0
+ fi
+ echo -n $operstate
+ [[ $operstate == $expect ]]
+}
+
+check_operstate()
+{
+ local dev=$1; shift
+ local expect=$1; shift
+ local operstate
+
+ operstate=$(busywait 1000 \
+ operstate_is "$dev" "$expect")
+ check_err $? "Got operstate of $operstate, expected $expect"
+}
+
+add_one_vlan()
+{
+ local link=$1; shift
+ local id=$1; shift
+
+ ip_link_add $link.$id link $link type vlan id $id "$@"
+}
+
+add_vlans()
+{
+ add_one_vlan br 11 "$@"
+ add_one_vlan br 12 "$@"
+ add_one_vlan br 13 "$@"
+ add_one_vlan br 14 "$@"
+}
+
+set_vlans()
+{
+ ip link set dev br.11 "$@"
+ ip link set dev br.12 "$@"
+ ip link set dev br.13 "$@"
+ ip link set dev br.14 "$@"
+}
+
+down_netdevs()
+{
+ local dev
+
+ for dev in "$@"; do
+ ip_link_set_down $dev
+ done
+}
+
+check_operstates()
+{
+ local opst_11=$1; shift
+ local opst_12=$1; shift
+ local opst_13=$1; shift
+ local opst_14=$1; shift
+
+ check_operstate br.11 $opst_11
+ check_operstate br.12 $opst_12
+ check_operstate br.13 $opst_13
+ check_operstate br.14 $opst_14
+}
+
+do_test_binding()
+{
+ local inject=$1; shift
+ local what=$1; shift
+ local opsts_d1=$1; shift
+ local opsts_d2=$1; shift
+ local opsts_d12=$1; shift
+ local opsts_d123=$1; shift
+
+ RET=0
+
+ defer_scope_push
+ down_netdevs d1
+ $inject
+ check_operstates $opsts_d1
+ defer_scope_pop
+
+ defer_scope_push
+ down_netdevs d2
+ $inject
+ check_operstates $opsts_d2
+ defer_scope_pop
+
+ defer_scope_push
+ down_netdevs d1 d2
+ $inject
+ check_operstates $opsts_d12
+ defer_scope_pop
+
+ defer_scope_push
+ down_netdevs d1 d2 d3
+ $inject
+ check_operstates $opsts_d123
+ defer_scope_pop
+
+ log_test "Test bridge_binding $what"
+}
+
+do_test_binding_on()
+{
+ local inject=$1; shift
+ local what=$1; shift
+
+ do_test_binding "$inject" "$what" \
+ "0 1 1 1" \
+ "1 0 1 1" \
+ "0 0 0 1" \
+ "0 0 0 0"
+}
+
+do_test_binding_off()
+{
+ local inject=$1; shift
+ local what=$1; shift
+
+ do_test_binding "$inject" "$what" \
+ "1 1 1 1" \
+ "1 1 1 1" \
+ "1 1 1 1" \
+ "0 0 0 0"
+}
+
+test_binding_on()
+{
+ add_vlans bridge_binding on
+ set_vlans up
+ do_test_binding_on : "on"
+}
+
+test_binding_off()
+{
+ add_vlans bridge_binding off
+ set_vlans up
+ do_test_binding_off : "off"
+}
+
+test_binding_toggle_on()
+{
+ add_vlans bridge_binding off
+ set_vlans up
+ set_vlans type vlan bridge_binding on
+ do_test_binding_on : "off->on"
+}
+
+test_binding_toggle_off()
+{
+ add_vlans bridge_binding on
+ set_vlans up
+ set_vlans type vlan bridge_binding off
+ do_test_binding_off : "on->off"
+}
+
+dfr_set_binding_on()
+{
+ set_vlans type vlan bridge_binding on
+ defer set_vlans type vlan bridge_binding off
+}
+
+dfr_set_binding_off()
+{
+ set_vlans type vlan bridge_binding off
+ defer set_vlans type vlan bridge_binding on
+}
+
+test_binding_toggle_on_when_lower_down()
+{
+ add_vlans bridge_binding off
+ set_vlans up
+ do_test_binding_on dfr_set_binding_on "off->on when lower down"
+}
+
+test_binding_toggle_off_when_lower_down()
+{
+ add_vlans bridge_binding on
+ set_vlans up
+ do_test_binding_off dfr_set_binding_off "on->off when lower down"
+}
+
+test_binding_toggle_on_when_upper_down()
+{
+ add_vlans bridge_binding off
+ set_vlans type vlan bridge_binding on
+ set_vlans up
+ do_test_binding_on : "off->on when upper down"
+}
+
+test_binding_toggle_off_when_upper_down()
+{
+ add_vlans bridge_binding on
+ set_vlans type vlan bridge_binding off
+ set_vlans up
+ do_test_binding_off : "on->off when upper down"
+}
+
+trap defer_scopes_cleanup EXIT
+setup_prepare
+tests_run
+
+exit $EXIT_STATUS
--
2.47.0
