When multicast snooping is enabled and a reporter is known, it is still
possible to flood associated packets to some other port via the
mcast-snooping-flood option.

Test this combination.

Signed-off-by: David Marchand <[email protected]>
---
 tests/mcast-snooping.at | 88 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/tests/mcast-snooping.at b/tests/mcast-snooping.at
index d5b7c4774c..21c806ef63 100644
--- a/tests/mcast-snooping.at
+++ b/tests/mcast-snooping.at
@@ -105,6 +105,94 @@ AT_CHECK([ovs-appctl mdb/show br0], [0], [dnl
 OVS_VSWITCHD_STOP
 AT_CLEANUP
 
+
+AT_SETUP([mcast - check flooding on ports])
+OVS_VSWITCHD_START([])
+
+AT_CHECK([
+    ovs-vsctl set bridge br0 \
+    datapath_type=dummy \
+    mcast_snooping_enable=true \
+    other-config:mcast-snooping-disable-flood-unregistered=false
+], [0])
+
+AT_CHECK([ovs-ofctl add-flow br0 action=normal])
+
+AT_CHECK([
+    ovs-vsctl add-port br0 p1 \
+    -- set Interface p1 type=dummy other-config:hwaddr=aa:55:aa:55:00:01 
ofport_request=1 \
+    -- add-port br0 p2 \
+    -- set Interface p2 type=dummy other-config:hwaddr=aa:55:aa:55:00:02 
ofport_request=2 \
+    -- add-port br0 p3 \
+    -- set Interface p3 type=dummy other-config:hwaddr=aa:55:aa:55:00:03 
ofport_request=3 \
+], [0])
+
+ovs-appctl time/stop
+
+# send report packets
+AT_CHECK([
+    ovs-appctl netdev-dummy/receive p1  \
+        
'01005E010101000C29A027A108004500001C000100004002CBAEAC10221EE001010112140CE9E0010101'
+], [0])
+
+AT_CHECK([ovs-appctl mdb/show br0], [0], [dnl
+ port  VLAN  GROUP                Age
+    1     0  224.1.1.1           0
+])
+
+AT_CHECK([ovs-appctl ofproto/trace 
"in_port(3),eth(src=aa:55:aa:55:00:ff,dst=01:00:5e:5e:01:01),eth_type(0x0800),ipv4(src=10.0.0.1,dst=224.1.1.1,proto=17,tos=0,ttl=64,frag=no),udp(src=0,dst=8000)"],
 [0], [dnl
+Flow: 
udp,in_port=3,vlan_tci=0x0000,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_src=10.0.0.1,nw_dst=224.1.1.1,nw_tos=0,nw_ecn=0,nw_ttl=64,nw_frag=no,tp_src=0,tp_dst=8000
+
+bridge("br0")
+-------------
+ 0. priority 32768
+    NORMAL
+     -> forwarding to mcast group port
+
+Final flow: unchanged
+Megaflow: 
recirc_id=0,eth,udp,in_port=3,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_dst=224.1.1.1,nw_frag=no
+Datapath actions: 1
+])
+
+AT_CHECK([ovs-vsctl set port p2 other_config:mcast-snooping-flood=true])
+
+AT_CHECK([ovs-appctl ofproto/trace 
"in_port(3),eth(src=aa:55:aa:55:00:ff,dst=01:00:5e:5e:01:01),eth_type(0x0800),ipv4(src=10.0.0.1,dst=224.1.1.1,proto=17,tos=0,ttl=64,frag=no),udp(src=0,dst=8000)"],
 [0], [dnl
+Flow: 
udp,in_port=3,vlan_tci=0x0000,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_src=10.0.0.1,nw_dst=224.1.1.1,nw_tos=0,nw_ecn=0,nw_ttl=64,nw_frag=no,tp_src=0,tp_dst=8000
+
+bridge("br0")
+-------------
+ 0. priority 32768
+    NORMAL
+     -> forwarding to mcast group port
+     -> forwarding to mcast flood port
+
+Final flow: unchanged
+Megaflow: 
recirc_id=0,eth,udp,in_port=3,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_dst=224.1.1.1,nw_frag=no
+Datapath actions: 1,2
+])
+
+AT_CHECK([ovs-vsctl set port p3 other_config:mcast-snooping-flood=true])
+
+AT_CHECK([ovs-appctl ofproto/trace 
"in_port(3),eth(src=aa:55:aa:55:00:ff,dst=01:00:5e:5e:01:01),eth_type(0x0800),ipv4(src=10.0.0.1,dst=224.1.1.1,proto=17,tos=0,ttl=64,frag=no),udp(src=0,dst=8000)"],
 [0], [dnl
+Flow: 
udp,in_port=3,vlan_tci=0x0000,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_src=10.0.0.1,nw_dst=224.1.1.1,nw_tos=0,nw_ecn=0,nw_ttl=64,nw_frag=no,tp_src=0,tp_dst=8000
+
+bridge("br0")
+-------------
+ 0. priority 32768
+    NORMAL
+     -> forwarding to mcast group port
+     -> forwarding to mcast flood port
+     -> mcast flood port is input port, dropping
+
+Final flow: unchanged
+Megaflow: 
recirc_id=0,eth,udp,in_port=3,dl_src=aa:55:aa:55:00:ff,dl_dst=01:00:5e:5e:01:01,nw_dst=224.1.1.1,nw_frag=no
+Datapath actions: 1,2
+])
+
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+
 AT_SETUP([mcast - delete the port mdb when vlan configuration changed])
 OVS_VSWITCHD_START([])
 
-- 
2.41.0

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