tests: Add tests for new RPF lookup group and source list features

Expand existing pim_mrib tests to include testing lookup modes
specific to source and/or group as defined in prefix lists.

Signed-off-by: Nathan Bahr <nbahr@atcorp.com>

tests/topotests/pim_mrib/r1/frr.conf

@@ -20,9 +20,10 @@ interface r1-eth1
 ip forwarding
 !
 ip route 10.0.2.0/24 10.0.0.2 50
-ip route 10.0.3.0/24 10.0.1.3 50
+ip route 10.0.3.0/24 10.0.0.2 50
 !
 router pim
  rpf-lookup-mode mrib-then-urib
  rp 10.0.0.1 224.0.0.0/4
+ rp 10.0.1.1 225.0.0.0/24
 !

tests/topotests/pim_mrib/r2/frr.conf

@@ -25,4 +25,5 @@ ip route 10.0.3.0/24 10.0.2.4 50
 router pim
  rpf-lookup-mode mrib-then-urib
  rp 10.0.0.1 224.0.0.0/4
+ rp 10.0.1.1 225.0.0.0/24
 !

tests/topotests/pim_mrib/r3/frr.conf

@@ -25,4 +25,5 @@ ip route 10.0.2.0/24 10.0.3.4 50
 router pim
  rpf-lookup-mode mrib-then-urib
  rp 10.0.0.1 224.0.0.0/4
+ rp 10.0.1.1 225.0.0.0/24
 !

tests/topotests/pim_mrib/r4/frr.conf

@@ -18,12 +18,24 @@ interface r4-eth1
  ip igmp
  ip pim
 !
+interface r4-dum0
+ ip address 10.10.0.4/24
+ ip igmp
+ ip pim
+ ip pim passive
+!
 ip forwarding
 !
 ip route 10.0.0.0/24 10.0.2.2 50
-ip route 10.0.1.0/24 10.0.3.3 50
+ip route 10.0.1.0/24 10.0.2.2 50
+!
+ip prefix-list SRCPLIST permit 10.0.0.1/32
+ip prefix-list SRCPLIST2 permit 10.0.1.1/32
+ip prefix-list GRPPLIST permit 239.1.1.1/32
+ip prefix-list GRPPLIST2 permit 239.2.2.2/32
 !
 router pim
  rpf-lookup-mode mrib-then-urib
  rp 10.0.0.1 224.0.0.0/4
+ rp 10.0.1.1 225.0.0.0/24
 !