1 files changed, 84 insertions, 0 deletions
diff --git a/test/test_ipsec_esp.py b/test/test_ipsec_esp.py
index 209298a30a4..50c6f5c8db5 100644
--- a/test/test_ipsec_esp.py
+++ b/test/test_ipsec_esp.py
@@ -466,6 +466,90 @@ class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
     pass
 
 
+class TestIpsecEspAsync(TemplateIpsecEsp):
+    """ Ipsec ESP - Aysnc tests """
+
+    worker_config = "workers 2"
+
+    def setUp(self):
+        super(TestIpsecEspAsync, self).setUp()
+
+        self.vapi.ipsec_set_async_mode(async_enable=True)
+        self.p4 = IPsecIPv4Params()
+
+        self.p4.crypt_algo_vpp_id = (VppEnum.vl_api_ipsec_crypto_alg_t.
+                                     IPSEC_API_CRYPTO_ALG_AES_CBC_256)
+        self.p4.crypt_algo = 'AES-CBC'  # scapy name
+        self.p4.crypt_key = b'JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h'
+
+        self.p4.scapy_tun_sa_id += 0xf0000
+        self.p4.scapy_tun_spi += 0xf0000
+        self.p4.vpp_tun_sa_id += 0xf0000
+        self.p4.vpp_tun_spi += 0xf0000
+        self.p4.remote_tun_if_host = "2.2.2.2"
+        e = VppEnum.vl_api_ipsec_spd_action_t
+
+        self.p4.sa = VppIpsecSA(
+            self,
+            self.p4.vpp_tun_sa_id,
+            self.p4.vpp_tun_spi,
+            self.p4.auth_algo_vpp_id,
+            self.p4.auth_key,
+            self.p4.crypt_algo_vpp_id,
+            self.p4.crypt_key,
+            self.vpp_esp_protocol,
+            self.tun_if.local_addr[self.p4.addr_type],
+            self.tun_if.remote_addr[self.p4.addr_type]).add_vpp_config()
+        self.p4.spd = VppIpsecSpdEntry(
+            self,
+            self.tun_spd,
+            self.p4.vpp_tun_sa_id,
+            self.pg1.remote_addr[self.p4.addr_type],
+            self.pg1.remote_addr[self.p4.addr_type],
+            self.p4.remote_tun_if_host,
+            self.p4.remote_tun_if_host,
+            0,
+            priority=1,
+            policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+            is_outbound=1).add_vpp_config()
+        VppIpRoute(self,  self.p4.remote_tun_if_host, self.p4.addr_len,
+                   [VppRoutePath(self.tun_if.remote_addr[self.p4.addr_type],
+                                 0xffffffff)]).add_vpp_config()
+        config_tun_params(self.p4, self.encryption_type, self.tun_if)
+
+    def test_dual_stream(self):
+        """ Alternating SAs """
+        p = self.params[self.p4.addr_type]
+
+        pkts = [(Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+                 IP(src=self.pg1.remote_ip4,
+                    dst=self.p4.remote_tun_if_host) /
+                 UDP(sport=4444, dport=4444) /
+                 Raw(b'0x0' * 200)),
+                (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+                 IP(src=self.pg1.remote_ip4,
+                    dst=p.remote_tun_if_host) /
+                 UDP(sport=4444, dport=4444) /
+                 Raw(b'0x0' * 200))]
+        pkts *= 1023
+
+        rxs = self.send_and_expect(self.pg1, pkts, self.pg0)
+
+        self.assertEqual(len(rxs), len(pkts))
+
+        for rx in rxs:
+            if rx[ESP].spi == p.scapy_tun_spi:
+                decrypted = p.vpp_tun_sa.decrypt(rx[IP])
+            elif rx[ESP].spi == self.p4.vpp_tun_spi:
+                decrypted = self.p4.scapy_tun_sa.decrypt(rx[IP])
+            else:
+                rx.show()
+                self.assertTrue(False)
+
+        self.p4.spd.remove_vpp_config()
+        self.p4.sa.remove_vpp_config()
+
+
 class TestIpsecEspHandoff(TemplateIpsecEsp,
                           IpsecTun6HandoffTests,
                           IpsecTun4HandoffTests):