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-rw-r--r--test/test_ipsec_esp.py14
1 files changed, 12 insertions, 2 deletions
diff --git a/test/test_ipsec_esp.py b/test/test_ipsec_esp.py
index 7448df1d09a..dbd21f1f5fe 100644
--- a/test/test_ipsec_esp.py
+++ b/test/test_ipsec_esp.py
@@ -1,7 +1,7 @@
import socket
import unittest
from scapy.layers.ipsec import ESP
-from scapy.layers.inet import UDP
+from scapy.layers.inet import IP, ICMP, UDP
from parameterized import parameterized
from framework import VppTestRunner
@@ -544,6 +544,8 @@ class RunTestIpsecEspAll(ConfigIpsecESP,
self.run_a_test(self.engine, self.flag, self.algo)
def run_a_test(self, engine, flag, algo, payload_size=None):
+ if engine == "ia32":
+ engine = "native"
self.vapi.cli("set crypto handler all %s" % engine)
self.ipv4_params = IPsecIPv4Params()
@@ -579,8 +581,16 @@ class RunTestIpsecEspAll(ConfigIpsecESP,
self.verify_tra_basic4(count=NUM_PKTS)
self.verify_tun_66(self.params[socket.AF_INET6],
count=NUM_PKTS)
+ #
+ # Use an odd-byte payload size to check for correct padding.
+ #
+ # 49 + 2 == 51 which should pad +1 to 52 for 4 byte alignment, +5
+ # to 56 for 8 byte alignment, and +13 to 64 for 64 byte alignment.
+ # This should catch bugs where the code is incorrectly over-padding
+ # for algorithms that don't require it
+ psz = 49 - len(IP()/ICMP()) if payload_size is None else payload_size
self.verify_tun_44(self.params[socket.AF_INET],
- count=NUM_PKTS)
+ count=NUM_PKTS, payload_size=psz)
LARGE_PKT_SZ = [
1970, # results in 2 chained buffers entering decrypt node