diff mbox series

[net-next,8/8] selftests: mlxsw: rif_bridge: Add a new selftest

Message ID 607eaf8e33eb452af4ac007c0bb04113564c912d.1690815746.git.petrm@nvidia.com (mailing list archive)
State Accepted
Commit 67d5ffb9ed513d08ff81fefde6abc00440d9d4ce
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 2 maintainers not CCed: 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? WARNING: line length of 91 exceeds 80 columns
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 
This test verifies driver behavior with regards to creation of RIFs for a
bridge as LAGs are added or removed to/from it, and ports added or removed
to/from the LAG.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
---
 .../selftests/drivers/net/mlxsw/rif_bridge.sh | 183 ++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100755 tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh
diff mbox series

Patch

diff --git a/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh b/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh
new file mode 100755
index 000000000000..b79542a4dcc7
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh
@@ -0,0 +1,183 @@ 
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="
+	bridge_rif_add
+	bridge_rif_nomaster
+	bridge_rif_remaster
+	bridge_rif_nomaster_addr
+	bridge_rif_nomaster_port
+	bridge_rif_remaster_port
+"
+
+NUM_NETIFS=2
+source $lib_dir/lib.sh
+source $lib_dir/devlink_lib.sh
+
+setup_prepare()
+{
+	swp1=${NETIFS[p1]}
+	swp2=${NETIFS[p2]}
+
+	team_create lag1 lacp
+	ip link set dev lag1 addrgenmode none
+	ip link set dev lag1 address $(mac_get $swp1)
+
+	team_create lag2 lacp
+	ip link set dev lag2 addrgenmode none
+	ip link set dev lag2 address $(mac_get $swp2)
+
+	ip link add name br1 type bridge vlan_filtering 1
+	ip link set dev br1 addrgenmode none
+	ip link set dev br1 address $(mac_get lag1)
+	ip link set dev br1 up
+
+	ip link set dev lag1 master br1
+
+	ip link set dev $swp1 master lag1
+	ip link set dev $swp1 up
+
+	ip link set dev $swp2 master lag2
+	ip link set dev $swp2 up
+}
+
+cleanup()
+{
+	pre_cleanup
+
+	ip link set dev $swp2 nomaster
+	ip link set dev $swp2 down
+
+	ip link set dev $swp1 nomaster
+	ip link set dev $swp1 down
+
+	ip link del dev lag2
+	ip link set dev lag1 nomaster
+	ip link del dev lag1
+
+	ip link del dev br1
+}
+
+bridge_rif_add()
+{
+	RET=0
+
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+	__addr_add_del br1 add 192.0.2.2/28
+	sleep 1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0 + 1))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	log_test "Add RIF for bridge on address addition"
+}
+
+bridge_rif_nomaster()
+{
+	RET=0
+
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+	ip link set dev lag1 nomaster
+	sleep 1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0 - 1))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	log_test "Drop RIF for bridge on LAG deslavement"
+}
+
+bridge_rif_remaster()
+{
+	RET=0
+
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+	ip link set dev lag1 master br1
+	sleep 1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0 + 1))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	log_test "Add RIF for bridge on LAG reenslavement"
+}
+
+bridge_rif_nomaster_addr()
+{
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+
+	# Adding an address while the LAG is enslaved shouldn't generate a RIF.
+	__addr_add_del lag1 add 192.0.2.65/28
+	sleep 1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "After adding IP: Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	# Removing the LAG from the bridge should drop RIF for the bridge (as
+	# tested in bridge_rif_lag_nomaster), but since the LAG now has an
+	# address, it should gain a RIF.
+	ip link set dev lag1 nomaster
+	sleep 1
+	local rifs_occ_t2=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0))
+
+	((expected_rifs == rifs_occ_t2))
+	check_err $? "After deslaving: Expected $expected_rifs RIFs, $rifs_occ_t2 are used"
+
+	log_test "Add RIF for LAG on deslavement from bridge"
+
+	__addr_add_del lag1 del 192.0.2.65/28
+	ip link set dev lag1 master br1
+	sleep 1
+}
+
+bridge_rif_nomaster_port()
+{
+	RET=0
+
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+	ip link set dev $swp1 nomaster
+	sleep 1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0 - 1))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	log_test "Drop RIF for bridge on deslavement of port from LAG"
+}
+
+bridge_rif_remaster_port()
+{
+	RET=0
+
+	local rifs_occ_t0=$(devlink_resource_occ_get rifs)
+	ip link set dev $swp1 down
+	ip link set dev $swp1 master lag1
+	ip link set dev $swp1 up
+	setup_wait_dev $swp1
+	local rifs_occ_t1=$(devlink_resource_occ_get rifs)
+	local expected_rifs=$((rifs_occ_t0 + 1))
+
+	((expected_rifs == rifs_occ_t1))
+	check_err $? "Expected $expected_rifs RIFs, $rifs_occ_t1 are used"
+
+	log_test "Add RIF for bridge on reenslavement of port to LAG"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS