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selftests: vxlan_mdb: Add MDB bulk deletion test
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Add test cases to verify the behavior of the MDB bulk deletion
functionality in the VXLAN driver.

Signed-off-by: Ido Schimmel <[email protected]>
Acked-by: Petr Machata <[email protected]>
Acked-by: Nikolay Aleksandrov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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@idosch @davem330
idosch authored and davem330 committed Dec 20, 2023
1 parent bd2dcb9 commit c3e87a7
Showing 1 changed file with 199 additions and 2 deletions.
201 changes: 199 additions & 2 deletions tools/testing/selftests/net/test_vxlan_mdb.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ CONTROL_PATH_TESTS="
dump_ipv6_ipv4
dump_ipv4_ipv6
dump_ipv6_ipv6
flush
"

DATA_PATH_TESTS="
Expand Down Expand Up @@ -968,6 +969,202 @@ dump_ipv6_ipv6()
dump_common $ns1 $local_addr $remote_prefix $fn
}

flush()
{
local num_entries

echo
echo "Control path: Flush"
echo "-------------------"

# Add entries with different attributes and check that they are all
# flushed when the flush command is given with no parameters.

# Different source VNI.
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.2 permanent dst 198.51.100.1 src_vni 10011"

# Different routing protocol.
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.3 permanent proto bgp dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.4 permanent proto zebra dst 198.51.100.1 src_vni 10010"

# Different destination IP.
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.5 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.6 permanent dst 198.51.100.2 src_vni 10010"

# Different destination port.
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.7 permanent dst 198.51.100.1 dst_port 11111 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.8 permanent dst 198.51.100.1 dst_port 22222 src_vni 10010"

# Different VNI.
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.9 permanent dst 198.51.100.1 vni 10010 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.10 permanent dst 198.51.100.1 vni 10020 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"
num_entries=$(bridge -n $ns1_v4 mdb show dev vx0 | wc -l)
[[ $num_entries -eq 0 ]]
log_test $? 0 "Flush all"

# Check that entries are flushed when port is specified as the VXLAN
# device and that an error is returned when port is specified as a
# different net device.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 port vx0"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010"
log_test $? 254 "Flush by port"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 port veth0"
log_test $? 255 "Flush by wrong port"

# Check that when flushing by source VNI only entries programmed with
# the specified source VNI are flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.2 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10011"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.2 src_vni 10011"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 src_vni 10010"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010"
log_test $? 254 "Flush by specified source VNI"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10011"
log_test $? 0 "Flush by unspecified source VNI"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# Check that all entries are flushed when "permanent" is specified and
# that an error is returned when "nopermanent" is specified.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 permanent"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010"
log_test $? 254 "Flush by \"permanent\" state"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 nopermanent"
log_test $? 255 "Flush by \"nopermanent\" state"

# Check that when flushing by routing protocol only entries programmed
# with the specified routing protocol are flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent proto bgp dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent proto zebra dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 proto bgp"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \"proto bgp\""
log_test $? 1 "Flush by specified routing protocol"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \"proto zebra\""
log_test $? 0 "Flush by unspecified routing protocol"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# Check that when flushing by destination IP only entries programmed
# with the specified destination IP are flushed and the rest are not.

# IPv4.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 dst 198.51.100.2"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.2"
log_test $? 1 "Flush by specified destination IP - IPv4"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.1"
log_test $? 0 "Flush by unspecified destination IP - IPv4"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# IPv6.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 2001:db8:1000::1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 2001:db8:1000::2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 dst 2001:db8:1000::2"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 2001:db8:1000::2"
log_test $? 1 "Flush by specified destination IP - IPv6"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 2001:db8:1000::1"
log_test $? 0 "Flush by unspecified destination IP - IPv6"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# Check that when flushing by UDP destination port only entries
# programmed with the specified port are flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst_port 11111 dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst_port 22222 dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 dst_port 11111"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \"dst_port 11111\""
log_test $? 1 "Flush by specified UDP destination port"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \"dst_port 22222\""
log_test $? 0 "Flush by unspecified UDP destination port"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# When not specifying a UDP destination port for an entry, traffic is
# encapsulated with the device's UDP destination port. Check that when
# flushing by the device's UDP destination port only entries programmed
# with this port are flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst_port 22222 dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 dst_port 4789"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.1"
log_test $? 1 "Flush by device's UDP destination port"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.2"
log_test $? 0 "Flush by unspecified UDP destination port"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# Check that when flushing by destination VNI only entries programmed
# with the specified destination VNI are flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent vni 20010 dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent vni 20011 dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 vni 20010"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \" vni 20010\""
log_test $? 1 "Flush by specified destination VNI"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep \" vni 20011\""
log_test $? 0 "Flush by unspecified destination VNI"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# When not specifying a destination VNI for an entry, traffic is
# encapsulated with the source VNI. Check that when flushing by a
# destination VNI that is equal to the source VNI only such entries are
# flushed and the rest are not.

run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent dst 198.51.100.1 src_vni 10010"
run_cmd "bridge -n $ns1_v4 mdb add dev vx0 port vx0 grp 239.1.1.1 permanent vni 20010 dst 198.51.100.2 src_vni 10010"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 vni 10010"

run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.1"
log_test $? 1 "Flush by destination VNI equal to source VNI"
run_cmd "bridge -n $ns1_v4 -d -s mdb get dev vx0 grp 239.1.1.1 src_vni 10010 | grep 198.51.100.2"
log_test $? 0 "Flush by unspecified destination VNI"

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0"

# Test that an error is returned when trying to flush using VLAN ID.

run_cmd "bridge -n $ns1_v4 mdb flush dev vx0 vid 10"
log_test $? 255 "Flush by VLAN ID"
}

################################################################################
# Tests - Data path

Expand Down Expand Up @@ -2292,9 +2489,9 @@ if [ ! -x "$(command -v jq)" ]; then
exit $ksft_skip
fi

bridge mdb help 2>&1 | grep -q "get"
bridge mdb help 2>&1 | grep -q "flush"
if [ $? -ne 0 ]; then
echo "SKIP: iproute2 bridge too old, missing VXLAN MDB get support"
echo "SKIP: iproute2 bridge too old, missing VXLAN MDB flush support"
exit $ksft_skip
fi

Expand Down

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