Introduce CoPP selftest for bfd controller action
Signed-off-by: Lorenzo Bianconi <[email protected]>
---
tests/system-ovn.at | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/tests/system-ovn.at b/tests/system-ovn.at
index d003843c3..77c811946 100644
--- a/tests/system-ovn.at
+++ b/tests/system-ovn.at
@@ -6743,6 +6743,34 @@ OVS_WAIT_UNTIL([
])
kill $(pidof tcpdump)
+check ovn-nbctl meter-add bfd-meter drop 1 pktps 0
+check ovn-nbctl --wait=hv lr-copp-add R1 bfd bfd-meter
+AT_CHECK([ovn-nbctl lr-copp-list R1 |grep bfd], [0], [dnl
+bfd: bfd-meter
+])
+
+check ovn-nbctl --bfd lr-route-add R1 240.0.0.0/8 172.16.1.50 rp-public
+printf "%08x" $(ovn-sbctl get bfd . disc) > /tmp/disc
+NS_EXEC([server], [tcpdump -l -n -i s1 udp port 3784 -Q in > bfd.pcap &])
+ip netns exec server scapy -H <<-EOF
+import binascii
+f = open("/tmp/disc", "r")
+# scapy does not support BFD protocol
+# let's hardcode a BFD payload with the proper my-disc field read from the db
+bfd = binascii.unhexlify("20600518a899e77b" + f.readline().strip() +
"000f4240000f424000000000")
+p = IP(src="172.16.1.50", dst="172.16.1.1") / UDP(dport = 3784, sport = 49152)
/ Raw(load = bfd)
+send (p, iface='s1', loop = 0, verbose = 0, count = 100)
+f.close()
+EOF
+rm /tmp/disc
+
+# 1pps + 1 burst size
+OVS_WAIT_UNTIL([
+ n_tcp_rst=$(grep Final bfd.pcap | wc -l)
+ test "${n_tcp_rst}" = "2"
+])
+kill $(pidof tcpdump)
+
kill $(pidof ovn-controller)
as ovn-sb
--
2.31.1
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