ipsec: support for multipoint on ipsec interfaces
Type: feature
Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: Iae9fe35cfbce4c675fa25e0800c0f4629a83e012
diff --git a/test/test_ipsec_tun_if_esp.py b/test/test_ipsec_tun_if_esp.py
index 9d01b93..fb31f22 100644
--- a/test/test_ipsec_tun_if_esp.py
+++ b/test/test_ipsec_tun_if_esp.py
@@ -1576,7 +1576,7 @@
# setup some SAs for several next-hops on the interface
self.multi_params = []
- for ii in range(1):
+ for ii in range(N_NHS):
p = copy.copy(self.ipv4_params)
p.remote_tun_if_host = "1.1.1.%d" % (ii + 1)
@@ -2810,5 +2810,128 @@
self.unconfig_network(p)
+class TestIpsecMIfEsp4(TemplateIpsec, IpsecTun4):
+ """ Ipsec P2MP ESP v4 tests """
+ tun4_encrypt_node_name = "esp4-encrypt-tun"
+ tun4_decrypt_node_name = "esp4-decrypt-tun"
+ encryption_type = ESP
+
+ def gen_encrypt_pkts(self, p, sa, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=self.pg1.local_ip4,
+ dst=self.pg1.remote_ip4) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size))
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1,
+ payload_size=100):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src="1.1.1.1", dst=dst) /
+ UDP(sport=1144, dport=2233) /
+ Raw(b'X' * payload_size)
+ for i in range(count)]
+
+ def verify_decrypted(self, p, rxs):
+ for rx in rxs:
+ self.assert_equal(rx[Ether].dst, self.pg1.remote_mac)
+ self.assert_equal(rx[IP].dst, self.pg1.remote_ip4)
+
+ def verify_encrypted(self, p, sa, rxs):
+ for rx in rxs:
+ try:
+ pkt = sa.decrypt(rx[IP])
+ if not pkt.haslayer(IP):
+ pkt = IP(pkt[Raw].load)
+ self.assert_packet_checksums_valid(pkt)
+ e = pkt[IP]
+ self.assertEqual(e[IP].dst, p.remote_tun_if_host)
+ except (IndexError, AssertionError):
+ self.logger.debug(ppp("Unexpected packet:", rx))
+ try:
+ self.logger.debug(ppp("Decrypted packet:", pkt))
+ except:
+ pass
+ raise
+
+ def setUp(self):
+ super(TestIpsecMIfEsp4, self).setUp()
+
+ N_NHS = 16
+ self.tun_if = self.pg0
+ p = self.ipv4_params
+ p.tun_if = VppIpsecInterface(self,
+ mode=(VppEnum.vl_api_tunnel_mode_t.
+ TUNNEL_API_MODE_MP))
+ p.tun_if.add_vpp_config()
+ p.tun_if.admin_up()
+ p.tun_if.config_ip4()
+ p.tun_if.generate_remote_hosts(N_NHS)
+ self.pg0.generate_remote_hosts(N_NHS)
+ self.pg0.configure_ipv4_neighbors()
+
+ # setup some SAs for several next-hops on the interface
+ self.multi_params = []
+
+ for ii in range(N_NHS):
+ p = copy.copy(self.ipv4_params)
+
+ p.remote_tun_if_host = "1.1.1.%d" % (ii + 1)
+ p.scapy_tun_sa_id = p.scapy_tun_sa_id + ii
+ p.scapy_tun_spi = p.scapy_tun_spi + ii
+ p.vpp_tun_sa_id = p.vpp_tun_sa_id + ii
+ p.vpp_tun_spi = p.vpp_tun_spi + ii
+
+ p.scapy_tra_sa_id = p.scapy_tra_sa_id + ii
+ p.scapy_tra_spi = p.scapy_tra_spi + ii
+ p.vpp_tra_sa_id = p.vpp_tra_sa_id + ii
+ p.vpp_tra_spi = p.vpp_tra_spi + ii
+ p.tun_sa_out = VppIpsecSA(self, p.scapy_tun_sa_id, p.scapy_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.local_ip4,
+ self.pg0.remote_hosts[ii].ip4)
+ p.tun_sa_out.add_vpp_config()
+
+ p.tun_sa_in = VppIpsecSA(self, p.vpp_tun_sa_id, p.vpp_tun_spi,
+ p.auth_algo_vpp_id, p.auth_key,
+ p.crypt_algo_vpp_id, p.crypt_key,
+ self.vpp_esp_protocol,
+ self.pg0.remote_hosts[ii].ip4,
+ self.pg0.local_ip4)
+ p.tun_sa_in.add_vpp_config()
+
+ p.tun_protect = VppIpsecTunProtect(
+ self,
+ p.tun_if,
+ p.tun_sa_out,
+ [p.tun_sa_in],
+ nh=p.tun_if.remote_hosts[ii].ip4)
+ p.tun_protect.add_vpp_config()
+ config_tun_params(p, self.encryption_type, None,
+ self.pg0.local_ip4,
+ self.pg0.remote_hosts[ii].ip4)
+ self.multi_params.append(p)
+
+ VppIpRoute(self, p.remote_tun_if_host, 32,
+ [VppRoutePath(p.tun_if.remote_hosts[ii].ip4,
+ p.tun_if.sw_if_index)]).add_vpp_config()
+
+ p.tun_dst = self.pg0.remote_hosts[ii].ip4
+
+ def tearDown(self):
+ p = self.ipv4_params
+ p.tun_if.unconfig_ip4()
+ super(TestIpsecMIfEsp4, self).tearDown()
+
+ def test_tun_44(self):
+ """P2MP IPSEC 44"""
+ N_PKTS = 63
+ for p in self.multi_params:
+ self.verify_tun_44(p, count=N_PKTS)
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)