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selftests: mlxsw: Test RIF's reference count when joining a LAG 

Test that the reference count of a router interface (RIF) configured for
a LAG is incremented / decremented when ports join / leave the LAG. Use
the offload indication on routes configured on the RIF to understand if
it was created / destroyed.

The test fails without the previous patch.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-sugar-mainline-defconfig
Ido Schimmel 2020-12-06 10:22:22 +02:00 committed by David S. Miller
parent 31e1de4f12
commit 23fb55526d
1 changed files with 43 additions and 0 deletions
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43
tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
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@ -22,6 +22,7 @@ ALL_TESTS="
duplicate_vlans_test
vlan_rif_refcount_test
subport_rif_refcount_test
subport_rif_lag_join_test
vlan_dev_deletion_test
lag_unlink_slaves_test
lag_dev_deletion_test
@ -440,6 +441,48 @@ subport_rif_refcount_test()
ip link del dev bond1
}
subport_rif_lag_join_test()
{
# Test that the reference count of a RIF configured for a LAG is
# incremented / decremented when ports join / leave the LAG. We use the
# offload indication on routes configured on the RIF to understand if
# it was created / destroyed
RET=0
ip link add name bond1 type bond mode 802.3ad
ip link set dev $swp1 down
ip link set dev $swp2 down
ip link set dev $swp1 master bond1
ip link set dev $swp2 master bond1
ip link set dev bond1 up
ip -6 address add 2001:db8:1::1/64 dev bond1
busywait "$TIMEOUT" wait_for_offload \
ip -6 route get fibmatch 2001:db8:1::2 dev bond1
check_err $? "subport rif was not created on lag device"
ip link set dev $swp1 nomaster
busywait "$TIMEOUT" wait_for_offload \
ip -6 route get fibmatch 2001:db8:1::2 dev bond1
check_err $? "subport rif of lag device was destroyed after removing one port"
ip link set dev $swp1 master bond1
ip link set dev $swp2 nomaster
busywait "$TIMEOUT" wait_for_offload \
ip -6 route get fibmatch 2001:db8:1::2 dev bond1
check_err $? "subport rif of lag device was destroyed after re-adding a port and removing another"
ip link set dev $swp1 nomaster
busywait "$TIMEOUT" not wait_for_offload \
ip -6 route get fibmatch 2001:db8:1::2 dev bond1
check_err $? "subport rif of lag device was not destroyed when should"
log_test "subport rif lag join"
ip link del dev bond1
}
vlan_dev_deletion_test()
{
# Test that VLAN devices are correctly deleted / unlinked when enslaved