VppMplsTable, VppIpMRoute, VppMRoutePath, VppIpTable, \
MRouteEntryFlags, MRouteItfFlags, MPLS_LABEL_INVALID, DpoProto
from vpp_bier import *
+from vpp_udp_encap import *
from scapy.packet import Raw
from scapy.layers.l2 import Ether
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
rx = output.get_capture(len(pkts))
+ return rx
def test_bier_midpoint(self):
"""BIER midpoint"""
labels=[2000+i])]))
nh_routes[-1].add_vpp_config()
- bier_routes.append(VppBierRoute(self, bti, i, nh, 100+i))
+ bier_routes.append(VppBierRoute(self, bti, i,
+ [VppRoutePath(nh, 0xffffffff,
+ labels=[100+i])]))
bier_routes[-1].add_vpp_config()
#
blabel = olabel[MPLS].payload
self.assertEqual(blabel.label, 100+bp)
+ self.assertEqual(blabel.ttl, 254)
bier_hdr = blabel[MPLS].payload
ip_route_1.add_vpp_config()
ip_route_2.add_vpp_config()
- bier_route_1 = VppBierRoute(self, bti, 1, nh1, 101)
- bier_route_2 = VppBierRoute(self, bti, 2, nh2, 102)
+ bier_route_1 = VppBierRoute(self, bti, 1,
+ [VppRoutePath(nh1, 0xffffffff,
+ labels=[101])])
+ bier_route_2 = VppBierRoute(self, bti, 2,
+ [VppRoutePath(nh2, 0xffffffff,
+ labels=[102])])
bier_route_1.add_vpp_config()
bier_route_2.add_vpp_config()
route_ing_232_1_1_1.add_vpp_config()
#
- # inject a packet an IP. We expect it to be BIER encapped,
+ # inject an IP packet. We expect it to be BIER encapped and
# replicated.
#
p = (Ether(dst=self.pg0.local_mac,
rx = self.pg1.get_capture(2)
+ #
+ # Encap Stack is; eth, MPLS, MPLS, BIER
+ #
+ igp_mpls = rx[0][MPLS]
+ self.assertEqual(igp_mpls.label, 2001)
+ self.assertEqual(igp_mpls.ttl, 64)
+ self.assertEqual(igp_mpls.s, 0)
+ bier_mpls = igp_mpls[MPLS].payload
+ self.assertEqual(bier_mpls.label, 101)
+ self.assertEqual(bier_mpls.ttl, 64)
+ self.assertEqual(bier_mpls.s, 1)
+ self.assertEqual(rx[0][BIER].length, 2)
+
+ igp_mpls = rx[1][MPLS]
+ self.assertEqual(igp_mpls.label, 2002)
+ self.assertEqual(igp_mpls.ttl, 64)
+ self.assertEqual(igp_mpls.s, 0)
+ bier_mpls = igp_mpls[MPLS].payload
+ self.assertEqual(bier_mpls.label, 102)
+ self.assertEqual(bier_mpls.ttl, 64)
+ self.assertEqual(bier_mpls.s, 1)
+ self.assertEqual(rx[0][BIER].length, 2)
+
def test_bier_tail(self):
"""BIER Tail"""
#
# BIER route in table that's for-us
#
- bier_route_1 = VppBierRoute(self, bti, 1, "0.0.0.0", 0,
- disp_table=8)
+ bier_route_1 = VppBierRoute(self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=8)])
bier_route_1.add_vpp_config()
#
# BIER route in table that's for-us, resolving through
# disp table 8.
#
- bier_route_1 = VppBierRoute(self, bti, 1, "0.0.0.0",
- MPLS_LABEL_INVALID,
- disp_table=8)
+ bier_route_1 = VppBierRoute(self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=8)])
bier_route_1.add_vpp_config()
#
IP(src="1.1.1.1", dst="232.1.1.1") /
UDP(sport=1234, dport=1234))
- self.send_and_expect(self.pg0, p*65, self.pg1)
+ rx = self.send_and_expect(self.pg0, p*65, self.pg1)
+
+ #
+ # should be IP
+ #
+ self.assertEqual(rx[0][IP].src, "1.1.1.1")
+ self.assertEqual(rx[0][IP].dst, "232.1.1.1")
+
+ def test_bier_head_o_udp(self):
+ """BIER head over UDP"""
+
+ #
+ # Add a BIER table for sub-domain 1, set 0, and BSL 256
+ #
+ bti = VppBierTableID(1, 0, BIERLength.BIER_LEN_256)
+ bt = VppBierTable(self, bti, 77)
+ bt.add_vpp_config()
+
+ #
+ # 1 bit positions via 1 next hops
+ #
+ nh1 = "10.0.0.1"
+ ip_route = VppIpRoute(self, nh1, 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index,
+ labels=[2001])])
+ ip_route.add_vpp_config()
+
+ udp_encap = VppUdpEncap(self, 4,
+ self.pg0.local_ip4,
+ nh1,
+ 330, 8138)
+ udp_encap.add_vpp_config()
+
+ bier_route = VppBierRoute(self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ is_udp_encap=1,
+ next_hop_id=4)])
+ bier_route.add_vpp_config()
+
+ #
+ # An imposition object with all bit-positions set
+ #
+ bi = VppBierImp(self, bti, 333, chr(0xff) * 32)
+ bi.add_vpp_config()
+
+ #
+ # Add a multicast route that will forward into the BIER doamin
+ #
+ route_ing_232_1_1_1 = VppIpMRoute(
+ self,
+ "0.0.0.0",
+ "232.1.1.1", 32,
+ MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ paths=[VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(0xffffffff,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
+ proto=DpoProto.DPO_PROTO_BIER,
+ bier_imp=bi.bi_index)])
+ route_ing_232_1_1_1.add_vpp_config()
+
+ #
+ # inject a packet an IP. We expect it to be BIER and UDP encapped,
+ #
+ p = (Ether(dst=self.pg0.local_mac,
+ src=self.pg0.remote_mac) /
+ IP(src="1.1.1.1", dst="232.1.1.1") /
+ UDP(sport=1234, dport=1234))
+
+ self.pg0.add_stream([p])
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg1.get_capture(1)
+
+ #
+ # Encap Stack is, eth, IP, UDP, BIFT, BIER
+ #
+ self.assertEqual(rx[0][IP].src, self.pg0.local_ip4)
+ self.assertEqual(rx[0][IP].dst, nh1)
+ self.assertEqual(rx[0][UDP].sport, 330)
+ self.assertEqual(rx[0][UDP].dport, 8138)
+ self.assertEqual(rx[0][BIFT].bsl, 2)
+ self.assertEqual(rx[0][BIFT].sd, 1)
+ self.assertEqual(rx[0][BIFT].set, 0)
+ self.assertEqual(rx[0][BIFT].ttl, 64)
+ self.assertEqual(rx[0][BIER].length, 2)
+
+ def test_bier_tail_o_udp(self):
+ """BIER Tail over UDP"""
+
+ #
+ # Add a BIER table for sub-domain 0, set 0, and BSL 256
+ #
+ bti = VppBierTableID(1, 0, BIERLength.BIER_LEN_256)
+ bt = VppBierTable(self, bti, MPLS_LABEL_INVALID)
+ bt.add_vpp_config()
+
+ #
+ # disposition table
+ #
+ bdt = VppBierDispTable(self, 8)
+ bdt.add_vpp_config()
+
+ #
+ # BIER route in table that's for-us
+ #
+ bier_route_1 = VppBierRoute(self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=8)])
+ bier_route_1.add_vpp_config()
+
+ #
+ # An entry in the disposition table
+ #
+ bier_de_1 = VppBierDispEntry(self, bdt.id, 99,
+ BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
+ "0.0.0.0", 0, rpf_id=8192)
+ bier_de_1.add_vpp_config()
+
+ #
+ # A multicast route to forward post BIER disposition
+ #
+ route_eg_232_1_1_1 = VppIpMRoute(
+ self,
+ "0.0.0.0",
+ "232.1.1.1", 32,
+ MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ paths=[VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ route_eg_232_1_1_1.add_vpp_config()
+ route_eg_232_1_1_1.update_rpf_id(8192)
+
+ #
+ # A packet with all bits set gets spat out to BP:1
+ #
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ UDP(sport=333, dport=8138) /
+ BIFT(sd=1, set=0, bsl=2, ttl=255) /
+ BIER(length=BIERLength.BIER_LEN_256, BFRID=99) /
+ IP(src="1.1.1.1", dst="232.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw())
+
+ rx = self.send_and_expect(self.pg0, [p], self.pg1)
if __name__ == '__main__':
Code Review / vpp.git / blobdiff