diff mbox series

[net-next,3/8] selftests: router_bridge_vlan_upper: Add a new selftest

Message ID 8d15c2fbca6dfb54f410e2acd5a385d4b9be3aaf.1690815746.git.petrm@nvidia.com (mailing list archive)
State Accepted
Commit 49e15dec8b90314ad94f20c5435810dd3229df98
Delegated to: Netdev Maintainers
Headers show
Series selftests: New selftests for out-of-order-operations patches in mlxsw | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
netdev/cc_maintainers warning 3 maintainers not CCed: razor@blackwall.org shuah@kernel.org linux-kselftest@vger.kernel.org
netdev/build_clang success Errors and warnings before: 9 this patch: 9
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success net selftest script(s) already in Makefile
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 9 this patch: 9
netdev/checkpatch warning WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Petr Machata July 31, 2023, 3:47 p.m. UTC 
Add a selftest that verifies routing through VLAN bridge uppers.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
---
 .../testing/selftests/net/forwarding/Makefile |   1 +
 .../forwarding/router_bridge_vlan_upper.sh    | 169 ++++++++++++++++++
 2 files changed, 170 insertions(+)
 create mode 100755 tools/testing/selftests/net/forwarding/router_bridge_vlan_upper.sh
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile
index 96b6dcefbc65..44a0308d8bc2 100644
--- a/tools/testing/selftests/net/forwarding/Makefile
+++ b/tools/testing/selftests/net/forwarding/Makefile
@@ -66,6 +66,7 @@  TEST_PROGS = bridge_igmp.sh \
 	router_bridge.sh \
 	router_bridge_1d.sh \
 	router_bridge_vlan.sh \
+	router_bridge_vlan_upper.sh \
 	router_bridge_pvid_vlan_upper.sh \
 	router_bridge_vlan_upper_pvid.sh \
 	router_broadcast.sh \
diff --git a/tools/testing/selftests/net/forwarding/router_bridge_vlan_upper.sh b/tools/testing/selftests/net/forwarding/router_bridge_vlan_upper.sh
new file mode 100755
index 000000000000..215309ea1c8c
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/router_bridge_vlan_upper.sh
@@ -0,0 +1,169 @@ 
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# +------------------------+                           +----------------------+
+# | H1 (vrf)               |                           |             H2 (vrf) |
+# |    + $h1.555           |                           |  + $h2.777           |
+# |    | 192.0.2.1/28      |                           |  | 192.0.2.18/28     |
+# |    | 2001:db8:1::1/64  |                           |  | 2001:db8:2::2/64  |
+# |    |                   |                           |  |                   |
+# |    + $h1               |                           |  + $h2               |
+# +----|-------------------+                           +--|-------------------+
+#      |                                                  |
+# +----|--------------------------------------------------|-------------------+
+# | SW |                                                  |                   |
+# | +--|--------------------------------------------------|-----------------+ |
+# | |  + $swp1                   BR1 (802.1q)             + $swp2           | |
+# | |                                                                       | |
+# | +------+------------------------------------------+---------------------+ |
+# |        |                                          |                       |
+# |        + br1.555                                  + br1.777               |
+# |          192.0.2.2/28                               192.0.2.17/28         |
+# |          2001:db8:1::2/64                           2001:db8:2::1/64      |
+# +---------------------------------------------------------------------------+
+
+ALL_TESTS="
+	ping_ipv4
+	ping_ipv6
+	respin_config
+	ping_ipv4
+	ping_ipv6
+"
+NUM_NETIFS=4
+source lib.sh
+
+h1_create()
+{
+	simple_if_init $h1
+	vlan_create $h1 555 v$h1 192.0.2.1/28 2001:db8:1::1/64
+	ip -4 route add 192.0.2.16/28 vrf v$h1 nexthop via 192.0.2.2
+	ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
+}
+
+h1_destroy()
+{
+	ip -6 route del 2001:db8:2::/64 vrf v$h1
+	ip -4 route del 192.0.2.16/28 vrf v$h1
+	vlan_destroy $h1 555
+	simple_if_fini $h1
+}
+
+h2_create()
+{
+	simple_if_init $h2
+	vlan_create $h2 777 v$h2 192.0.2.18/28 2001:db8:2::2/64
+	ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.17
+	ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1
+}
+
+h2_destroy()
+{
+	ip -6 route del 2001:db8:1::/64 vrf v$h2
+	ip -4 route del 192.0.2.0/28 vrf v$h2
+	vlan_destroy $h2 777
+	simple_if_fini $h2
+}
+
+router_create()
+{
+	ip link add name br1 address $(mac_get $swp1) \
+		type bridge vlan_filtering 1
+	ip link set dev br1 up
+
+	ip link set dev $swp1 master br1
+	ip link set dev $swp2 master br1
+	ip link set dev $swp1 up
+	ip link set dev $swp2 up
+
+	bridge vlan add dev br1 vid 555 self
+	bridge vlan add dev br1 vid 777 self
+	bridge vlan add dev $swp1 vid 555
+	bridge vlan add dev $swp2 vid 777
+
+	vlan_create br1 555 "" 192.0.2.2/28 2001:db8:1::2/64
+	vlan_create br1 777 "" 192.0.2.17/28 2001:db8:2::1/64
+}
+
+router_destroy()
+{
+	vlan_destroy br1 777
+	vlan_destroy br1 555
+
+	bridge vlan del dev $swp2 vid 777
+	bridge vlan del dev $swp1 vid 555
+	bridge vlan del dev br1 vid 777 self
+	bridge vlan del dev br1 vid 555 self
+
+	ip link set dev $swp2 down nomaster
+	ip link set dev $swp1 down nomaster
+
+	ip link set dev br1 down
+	ip link del dev br1
+}
+
+setup_prepare()
+{
+	h1=${NETIFS[p1]}
+	swp1=${NETIFS[p2]}
+
+	swp2=${NETIFS[p3]}
+	h2=${NETIFS[p4]}
+
+	vrf_prepare
+
+	h1_create
+	h2_create
+
+	router_create
+
+	forwarding_enable
+}
+
+cleanup()
+{
+	pre_cleanup
+
+	forwarding_restore
+
+	router_destroy
+
+	h2_destroy
+	h1_destroy
+
+	vrf_cleanup
+}
+
+ping_ipv4()
+{
+	ping_test $h1 192.0.2.18
+}
+
+ping_ipv6()
+{
+	ping6_test $h1 2001:db8:2::2
+}
+
+respin_config()
+{
+	log_info "Remaster bridge slave"
+
+	ip link set dev $swp2 nomaster
+	ip link set dev $swp1 nomaster
+
+	sleep 2
+
+	ip link set dev $swp1 master br1
+	ip link set dev $swp2 master br1
+
+	bridge vlan add dev $swp1 vid 555
+	bridge vlan add dev $swp2 vid 777
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS