diff --git a/src/bup_tests/kernelspace/topo b/src/bup_tests/kernelspace/topo
new file mode 100644
index 0000000..795f96f
--- /dev/null
+++ b/src/bup_tests/kernelspace/topo
@@ -0,0 +1,10 @@
+leftSubnet:10.0.
+rightSubnet:10.1.
+path_0:10,10,4,True
+path_1:40,30,4,False
+topoType:MultiIf
+#changeNetem:yes
+#netem_{path_id}:at,cmd
+#netemAt_0:5,delay 100ms limit 10 loss 10%
+#netemAt_0:15,delay 10ms limit 10
+#netemAt_1:15,delay 100ms limit 10
diff --git a/src/bup_tests/kernelspace/validation.yml b/src/bup_tests/kernelspace/validation.yml
new file mode 100644
index 0000000..52a784f
--- /dev/null
+++ b/src/bup_tests/kernelspace/validation.yml
@@ -0,0 +1,8 @@
+checkers:
+  tshark:
+    - test: "filter"
+      filter: "tcp.options.mptcp.subtype==5"
+      validations:
+        - name: "exact_value"
+          target: 1
+          desc: "When the default interface is a backup, MPRIO should be sent"
diff --git a/src/bup_tests/kernelspace/xp b/src/bup_tests/kernelspace/xp
new file mode 100644
index 0000000..9c0e589
--- /dev/null
+++ b/src/bup_tests/kernelspace/xp
@@ -0,0 +1,10 @@
+xpType:ncpv
+ncClientPort_0:33400
+clientPcap:yes
+pvRateLimit:400k
+ddCount:5000
+kpmc:fullmesh
+#sched:roundrobin
+#rmem:87380 87380 87380
+#rmem:150000 150000 150000
+#rmem:300000 300000 300000
diff --git a/src/bup_tests/userspace/topo b/src/bup_tests/userspace/topo
new file mode 100644
index 0000000..795f96f
--- /dev/null
+++ b/src/bup_tests/userspace/topo
@@ -0,0 +1,10 @@
+leftSubnet:10.0.
+rightSubnet:10.1.
+path_0:10,10,4,True
+path_1:40,30,4,False
+topoType:MultiIf
+#changeNetem:yes
+#netem_{path_id}:at,cmd
+#netemAt_0:5,delay 100ms limit 10 loss 10%
+#netemAt_0:15,delay 10ms limit 10
+#netemAt_1:15,delay 100ms limit 10
diff --git a/src/bup_tests/userspace/validation.yml b/src/bup_tests/userspace/validation.yml
new file mode 100644
index 0000000..52a784f
--- /dev/null
+++ b/src/bup_tests/userspace/validation.yml
@@ -0,0 +1,8 @@
+checkers:
+  tshark:
+    - test: "filter"
+      filter: "tcp.options.mptcp.subtype==5"
+      validations:
+        - name: "exact_value"
+          target: 1
+          desc: "When the default interface is a backup, MPRIO should be sent"
diff --git a/src/bup_tests/userspace/xp b/src/bup_tests/userspace/xp
new file mode 100644
index 0000000..158dc11
--- /dev/null
+++ b/src/bup_tests/userspace/xp
@@ -0,0 +1,11 @@
+xpType:ncpv
+ncClientPort_0:33400
+clientPcap:yes
+pvRateLimit:400k
+ddCount:5000
+kpmc:netlink
+upmc:fullmesh
+#sched:roundrobin
+#rmem:87380 87380 87380
+#rmem:150000 150000 150000
+#rmem:300000 300000 300000
diff --git a/src/mpValidations.py b/src/mpValidations.py
index 563fa99..d204738 100644
--- a/src/mpValidations.py
+++ b/src/mpValidations.py
@@ -1,6 +1,7 @@
 
 
 from mpTcptraceData import *
+from subprocess import check_output
 
 import numpy as np
 
@@ -126,6 +127,15 @@ class Tester:
 		raise Exception("Method not implemented")
 
 
+class FilterTest(Tester):
+	def get_tested_value(self, yml):
+		if "filter" in self.yml:
+			ret = check_output(["tshark", "-r", self.trace, "-Y", self.yml["filter"]])
+			return len(ret.split("\n")) - 1
+		else:
+			raise Exception("Test requires a filter.")
+
+
 
 class CsvTest(Tester):
 	def get_tested_value(self, validation):
@@ -161,6 +171,12 @@ class TcptraceChecker(Checker):
 		self.trace = TcptraceData(destDir+"/client.pcap")
 		self.test_id = test_id
 
+class TsharkChecker(Checker):
+	def __init__(self, yml, test_id, destDir):
+		self.yml = yml["tshark"]
+		self.trace = destDir+"/client.pcap"
+		self.test_id = test_id
+
 from mpMptcptraceData import *
 
 # Runs tests based on mptcptrace