return 0;
fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ nat_outside_fib_t *outside_fib;
fib_prefix_t pfx = {
.fp_proto = FIB_PROTOCOL_IP4,
.fp_len = 32,
u32 sw_if_index = fib_entry_get_resolving_interface (fei);
if (sw_if_index == ~0)
{
- fei = fib_table_lookup (sm->outside_fib_index, &pfx);
- if (FIB_NODE_INDEX_INVALID != fei)
- sw_if_index = fib_entry_get_resolving_interface (fei);
+ vec_foreach (outside_fib, sm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ sw_if_index = fib_entry_get_resolving_interface (fei);
+ if (sw_if_index != ~0)
+ break;
+ }
+ }
}
+ if (sw_if_index == ~0)
+ return 1;
+
snat_interface_t *i;
pool_foreach (i, sm->interfaces,
({
key0.addr = ip0->src_address;
key0.port = src_port;
key0.protocol = proto0;
- key0.fib_index = sm->outside_fib_index;
+ key0.fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index);
kv0.key = key0.as_u64;
if (!clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].out2in, &kv0,
key0.addr = ip0->dst_address;
key0.port = dst_port;
key0.protocol = proto0;
- key0.fib_index = sm->inside_fib_index;
kv0.key = key0.as_u64;
if (!clib_bihash_search_8_8 (&sm->per_thread_data[thread_index].in2out, &kv0,
&value0))
clib_bihash_kv_8_8_t kv0;
snat_session_key_t key1;
u32 address_index = ~0;
- u32 outside_fib_index;
- uword * p;
udp_header_t * udp0 = ip4_next_header (ip0);
u8 is_sm = 0;
+ nat_outside_fib_t *outside_fib;
+ fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = ip0->dst_address.as_u32,
+ },
+ };
if (PREDICT_FALSE (maximum_sessions_exceeded(sm, thread_index)))
{
return SNAT_IN2OUT_NEXT_DROP;
}
- p = hash_get (sm->ip4_main->fib_index_by_table_id, sm->outside_vrf_id);
- if (! p)
- {
- b0->error = node->errors[SNAT_IN2OUT_ERROR_BAD_OUTSIDE_FIB];
- return SNAT_IN2OUT_NEXT_DROP;
- }
- outside_fib_index = p[0];
-
key1.protocol = key0->protocol;
u = nat_user_get_or_create (sm, &ip0->src_address, rx_fib_index0,
s->in2out = *key0;
s->out2in = key1;
s->out2in.protocol = key0->protocol;
- s->out2in.fib_index = outside_fib_index;
+ s->out2in.fib_index = sm->outside_fib_index;
+ switch (vec_len (sm->outside_fibs))
+ {
+ case 0:
+ s->out2in.fib_index = sm->outside_fib_index;
+ break;
+ case 1:
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
+ break;
+ default:
+ vec_foreach (outside_fib, sm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ if (fib_entry_get_resolving_interface (fei) != ~0)
+ {
+ s->out2in.fib_index = outside_fib->fib_index;
+ break;
+ }
+ }
+ }
+ break;
+ }
s->ext_host_addr.as_u32 = ip0->dst_address.as_u32;
s->ext_host_port = udp0->dst_port;
*sessionp = s;
u32 old_addr, new_addr;
ip_csum_t sum;
- make_sm_kv (&kv, &ip->dst_address, 0, sm->outside_fib_index, 0);
+ make_sm_kv (&kv, &ip->dst_address, 0, 0, 0);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
return;
/* Hairpinning */
if (vnet_buffer(b)->sw_if_index[VLIB_TX] == ~0)
{
+ vnet_buffer(b)->sw_if_index[VLIB_TX] = m->fib_index;
nat_hairpinning_sm_unknown_proto (sm, b, ip);
- vnet_buffer(b)->sw_if_index[VLIB_TX] = sm->outside_fib_index;
}
return 0;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
nat_ed_ses_key_t *key = (nat_ed_ses_key_t *) kv->key;
u32 proto = ip_proto_to_snat_proto (key->proto);
+ nat_outside_fib_t *outside_fib;
+ fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = key->r_addr.as_u32,
+ },
+ };
if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
{
s->out2in = key1;
s->out2in.protocol = key0.protocol;
+ switch (vec_len (sm->outside_fibs))
+ {
+ case 0:
+ s->out2in.fib_index = sm->outside_fib_index;
+ break;
+ case 1:
+ s->out2in.fib_index = sm->outside_fibs[0].fib_index;
+ break;
+ default:
+ vec_foreach (outside_fib, sm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ if (fib_entry_get_resolving_interface (fei) != ~0)
+ {
+ s->out2in.fib_index = outside_fib->fib_index;
+ break;
+ }
+ }
+ }
+ break;
+ }
+
/* Add to lookup tables */
kv->value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->in2out_ed, kv, 1))
nat_log_notice ("in2out-ed key add failed");
- make_ed_kv (kv, &key1.addr, &key->r_addr, key->proto, key1.fib_index,
+ make_ed_kv (kv, &key1.addr, &key->r_addr, key->proto, s->out2in.fib_index,
key1.port, key->r_port);
kv->value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, kv, 1))
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
snat_interface_t *i;
snat_session_t *s;
+ u32 fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index);
/* src NAT check */
- make_ed_kv (&kv, &ip->src_address, &ip->dst_address, proto,
- sm->outside_fib_index, src_port, dst_port);
+ make_ed_kv (&kv, &ip->src_address, &ip->dst_address, proto, fib_index,
+ src_port, dst_port);
if (!clib_bihash_search_16_8 (&tsm->out2in_ed, &kv, &value))
return 1;
/* dst NAT check */
- make_ed_kv (&kv, &ip->dst_address, &ip->src_address, proto,
- sm->inside_fib_index, dst_port, src_port);
+ make_ed_kv (&kv, &ip->dst_address, &ip->src_address, proto, fib_index,
+ dst_port, src_port);
if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &kv, &value))
{
s = pool_elt_at_index (tsm->sessions, value.value);
sm->outside_fib_index, 0, 0);
if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value))
{
- make_sm_kv (&kv, &ip->dst_address, 0, sm->outside_fib_index, 0);
+ make_sm_kv (&kv, &ip->dst_address, 0, 0, 0);
if (clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv, &value))
return;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
u32 elt_index, head_index, ses_index;
snat_session_t * s;
- u32 address_index = ~0;
+ u32 address_index = ~0, outside_fib_index = sm->outside_fib_index;
int i;
u8 is_sm = 0;
+ nat_outside_fib_t *outside_fib;
+ fib_node_index_t fei = FIB_NODE_INDEX_INVALID;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ .fp_addr = {
+ .ip4.as_u32 = ip->dst_address.as_u32,
+ },
+ };
+ switch (vec_len (sm->outside_fibs))
+ {
+ case 0:
+ outside_fib_index = sm->outside_fib_index;
+ break;
+ case 1:
+ outside_fib_index = sm->outside_fibs[0].fib_index;
+ break;
+ default:
+ vec_foreach (outside_fib, sm->outside_fibs)
+ {
+ fei = fib_table_lookup (outside_fib->fib_index, &pfx);
+ if (FIB_NODE_INDEX_INVALID != fei)
+ {
+ if (fib_entry_get_resolving_interface (fei) != ~0)
+ {
+ outside_fib_index = outside_fib->fib_index;
+ break;
+ }
+ }
+ }
+ break;
+ }
old_addr = ip->src_address.as_u32;
make_ed_kv (&s_kv, &ip->src_address, &ip->dst_address, ip->protocol,
address_index = s->outside_address_index;
make_ed_kv (&s_kv, &s->out2in.addr, &ip->dst_address,
- ip->protocol, sm->outside_fib_index, 0, 0);
+ ip->protocol, outside_fib_index, 0, 0);
if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value))
goto create_ses;
for (i = 0; i < vec_len (sm->addresses); i++)
{
make_ed_kv (&s_kv, &sm->addresses[i].addr, &ip->dst_address,
- ip->protocol, sm->outside_fib_index, 0, 0);
+ ip->protocol, outside_fib_index, 0, 0);
if (clib_bihash_search_16_8 (&tsm->out2in_ed, &s_kv, &s_value))
{
new_addr = ip->src_address.as_u32 =
s->flags |= SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT;
s->outside_address_index = address_index;
s->out2in.addr.as_u32 = new_addr;
- s->out2in.fib_index = sm->outside_fib_index;
+ s->out2in.fib_index = outside_fib_index;
s->in2out.addr.as_u32 = old_addr;
s->in2out.fib_index = rx_fib_index;
s->in2out.port = s->out2in.port = ip->protocol;
nat_log_notice ("in2out key add failed");
make_ed_kv (&s_kv, &s->out2in.addr, &ip->dst_address, ip->protocol,
- sm->outside_fib_index, 0, 0);
+ outside_fib_index, 0, 0);
s_kv.value = s - tsm->sessions;
if (clib_bihash_add_del_16_8 (&tsm->out2in_ed, &s_kv, 1))
nat_log_notice ("out2in key add failed");
nat44_ed_hairpinning_unknown_proto(sm, b, ip);
if (vnet_buffer(b)->sw_if_index[VLIB_TX] == ~0)
- vnet_buffer(b)->sw_if_index[VLIB_TX] = sm->outside_fib_index;
+ vnet_buffer(b)->sw_if_index[VLIB_TX] = outside_fib_index;
return s;
}
}
m_key.addr.as_u32 = dst_addr->as_u32;
- m_key.fib_index = sm->outside_fib_index;
+ m_key.fib_index = 0;
m_key.port = 0;
m_key.protocol = 0;
kv.key = m_key.as_u64;
self.pg1.set_table_ip4(vrf_id2)
self.pg0.config_ip4()
self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
self.nat44_add_address(nat_ip1, vrf_id=vrf_id1)
self.nat44_add_address(nat_ip2, vrf_id=vrf_id2)
self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index,
is_inside=0)
- # first VRF
- pkts = self.create_stream_in(self.pg0, self.pg2)
- self.pg0.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- capture = self.pg2.get_capture(len(pkts))
- self.verify_capture_out(capture, nat_ip1)
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1)
- # second VRF
- pkts = self.create_stream_in(self.pg1, self.pg2)
- self.pg1.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- capture = self.pg2.get_capture(len(pkts))
- self.verify_capture_out(capture, nat_ip2)
+ # second VRF
+ pkts = self.create_stream_in(self.pg1, self.pg2)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip2)
- self.pg0.unconfig_ip4()
- self.pg1.unconfig_ip4()
- self.pg0.set_table_ip4(0)
- self.pg1.set_table_ip4(0)
- self.vapi.ip_table_add_del(vrf_id1, is_add=0)
- self.vapi.ip_table_add_del(vrf_id2, is_add=0)
+ finally:
+ self.pg0.unconfig_ip4()
+ self.pg1.unconfig_ip4()
+ self.pg0.set_table_ip4(0)
+ self.pg1.set_table_ip4(0)
+ self.pg0.config_ip4()
+ self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
+ self.vapi.ip_table_add_del(vrf_id1, is_add=0)
+ self.vapi.ip_table_add_del(vrf_id2, is_add=0)
def test_vrf_feature_independent(self):
""" NAT44 tenant VRF independent address pool mode """
self.verify_ipfix_max_fragments_ip4(data, 0,
self.pg0.remote_ip4n)
+ def test_multiple_outside_vrf(self):
+ """ Multiple outside VRF """
+ vrf_id1 = 1
+ vrf_id2 = 2
+
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.vapi.ip_table_add_del(vrf_id1, is_add=1)
+ self.vapi.ip_table_add_del(vrf_id2, is_add=1)
+ self.pg1.set_table_ip4(vrf_id1)
+ self.pg2.set_table_ip4(vrf_id2)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ self.pg2.resolve_arp()
+
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index,
+ is_inside=0)
+
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg1, self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ self.tcp_port_in = 60303
+ self.udp_port_in = 60304
+ self.icmp_id_in = 60305
+
+ # second VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg2, self.nat_addr)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ finally:
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.pg1.set_table_ip4(0)
+ self.pg2.set_table_ip4(0)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ self.pg2.resolve_arp()
+
def tearDown(self):
super(TestNAT44, self).tearDown()
if not self.vpp_dead:
cls.ipfix_domain_id = 1
cls.tcp_external_port = 80
- cls.create_pg_interfaces(range(5))
+ cls.create_pg_interfaces(range(7))
cls.interfaces = list(cls.pg_interfaces[0:3])
for i in cls.interfaces:
cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4
cls.pg4.resolve_arp()
+ zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0")
+ cls.vapi.ip_table_add_del(1, is_add=1)
+
+ cls.pg5._local_ip4 = "10.1.1.1"
+ cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET,
+ cls.pg5.local_ip4)
+ cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2"
+ cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg5.remote_ip4)
+ cls.pg5.set_table_ip4(1)
+ cls.pg5.config_ip4()
+ cls.pg5.admin_up()
+ cls.vapi.ip_add_del_route(dst_address=cls.pg5.remote_ip4n,
+ dst_address_length=32,
+ table_id=1,
+ next_hop_sw_if_index=cls.pg5.sw_if_index,
+ next_hop_address=zero_ip4n)
+
+ cls.pg6._local_ip4 = "10.1.2.1"
+ cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET,
+ cls.pg6.local_ip4)
+ cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2"
+ cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg6.remote_ip4)
+ cls.pg6.set_table_ip4(1)
+ cls.pg6.config_ip4()
+ cls.pg6.admin_up()
+ cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
+ dst_address_length=32,
+ table_id=1,
+ next_hop_sw_if_index=cls.pg6.sw_if_index,
+ next_hop_address=zero_ip4n)
+
+ cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
+ dst_address_length=16,
+ next_hop_address=zero_ip4n,
+ table_id=0,
+ next_hop_table_id=1)
+ cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
+ dst_address_length=0,
+ next_hop_address=zero_ip4n,
+ table_id=1,
+ next_hop_table_id=0)
+ cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
+ dst_address_length=0,
+ table_id=0,
+ next_hop_sw_if_index=cls.pg1.sw_if_index,
+ next_hop_address=cls.pg1.local_ip4n)
+
+ cls.pg5.resolve_arp()
+ cls.pg6.resolve_arp()
+
except Exception:
super(TestNAT44EndpointDependent, cls).tearDownClass()
raise
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
+ def test_multiple_vrf(self):
+ """ Multiple VRF setup """
+ external_addr = '1.2.3.4'
+ external_port = 80
+ local_port = 8080
+ port = 0
+
+ self.vapi.nat44_forwarding_enable_disable(1)
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index,
+ is_inside=0)
+ self.nat44_add_static_mapping(self.pg5.remote_ip4, external_addr,
+ local_port, external_port, vrf_id=1,
+ proto=IP_PROTOS.tcp, out2in_only=1)
+ self.nat44_add_static_mapping(
+ self.pg0.remote_ip4, external_sw_if_index=self.pg0.sw_if_index,
+ local_port=local_port, vrf_id=0, external_port=external_port,
+ proto=IP_PROTOS.tcp, out2in_only=1)
+
+ # from client to service (both VRF1)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=external_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client (both VRF1)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # dynamic NAT from VRF1 to VRF0 (output-feature)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=2345, dport=22))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertNotEqual(tcp.sport, 2345)
+ self.assert_packet_checksums_valid(p)
+ port = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=22, dport=port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, 2345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to service VRF0
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg0.local_ip4) /
+ TCP(sport=12346, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF0 back to client VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12346))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.local_ip4)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to service VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=external_addr) /
+ TCP(sport=12347, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF1 back to client VRF0
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12347))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client to server (both VRF1, no translation)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12348, dport=local_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server back to client (both VRF1, no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12348))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to server VRF0 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF0 back to client VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to server VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12344, dport=local_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF1 back to client VRF0 (no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12344))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
def tearDown(self):
super(TestNAT44EndpointDependent, self).tearDown()
if not self.vpp_dead:
Code Review / vpp.git / commitdiff