import socket
from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \
VppMplsTable, VppIpMRoute, VppMRoutePath, VppIpTable, \
- MRouteEntryFlags, MRouteItfFlags, MPLS_LABEL_INVALID, DpoProto, \
+ MRouteEntryFlags, MRouteItfFlags, MPLS_LABEL_INVALID, \
VppMplsLabel
from vpp_bier import *
from vpp_udp_encap import *
"""BIER midpoint BSL:64"""
self.bier_midpoint(BIERLength.BIER_LEN_64, 8, 64)
+ def test_bier_load_balance(self):
+ """BIER load-balance"""
+
+ #
+ # Add a BIER table for sub-domain 0, set 0, and BSL 256
+ #
+ bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_64)
+ bt = VppBierTable(self, bti, 77)
+ bt.add_vpp_config()
+
+ #
+ # packets with varying entropy
+ #
+ pkts = []
+ for ii in range(257):
+ pkts.append((Ether(dst=self.pg0.local_mac,
+ src=self.pg0.remote_mac) /
+ MPLS(label=77, ttl=255) /
+ BIER(length=BIERLength.BIER_LEN_64,
+ entropy=ii,
+ BitString=chr(255)*16) /
+ IPv6(src=self.pg0.remote_ip6,
+ dst=self.pg0.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw()))
+
+ #
+ # 4 next hops
+ #
+ nhs = [{'ip': "10.0.0.1", 'label': 201},
+ {'ip': "10.0.0.2", 'label': 202},
+ {'ip': "10.0.0.3", 'label': 203},
+ {'ip': "10.0.0.4", 'label': 204}]
+
+ for nh in nhs:
+ ipr = VppIpRoute(
+ self, nh['ip'], 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index,
+ labels=[VppMplsLabel(nh['label'])])])
+ ipr.add_vpp_config()
+
+ bier_route = VppBierRoute(
+ self, bti, 1,
+ [VppRoutePath(nhs[0]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]),
+ VppRoutePath(nhs[1]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)])])
+ bier_route.add_vpp_config()
+
+ rx = self.send_and_expect(self.pg0, pkts, self.pg1)
+
+ #
+ # we should have recieved a packet from each neighbor
+ #
+ for nh in nhs[:2]:
+ self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
+
+ #
+ # add the other paths
+ #
+ bier_route.update_paths(
+ [VppRoutePath(nhs[0]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]),
+ VppRoutePath(nhs[1]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]),
+ VppRoutePath(nhs[2]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]),
+ VppRoutePath(nhs[3]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)])])
+
+ rx = self.send_and_expect(self.pg0, pkts, self.pg1)
+ for nh in nhs:
+ self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
+
+ #
+ # remove first two paths
+ #
+ bier_route.remove_path(VppRoutePath(nhs[0]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]))
+ bier_route.remove_path(VppRoutePath(nhs[1]['ip'], 0xffffffff,
+ labels=[VppMplsLabel(101)]))
+
+ rx = self.send_and_expect(self.pg0, pkts, self.pg1)
+ for nh in nhs[2:]:
+ self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
+
+ #
+ # remove the last of the paths, deleteing the entry
+ #
+ bier_route.remove_all_paths()
+
+ self.send_and_assert_no_replies(self.pg0, pkts)
+
def test_bier_head(self):
"""BIER head"""
#
# 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 = VppBierRoute(
+ self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_BIER,
+ nh_table_id=8)])
bier_route_1.add_vpp_config()
#
#
self.send_and_expect(self.pg0, [p], self.pg1)
+ #
+ # A multicast route to forward post BIER disposition that needs
+ # a check against sending back into the BIER core
+ #
+ bi = VppBierImp(self, bti, 333, chr(0x3) * 32)
+ bi.add_vpp_config()
+
+ route_eg_232_1_1_2 = VppIpMRoute(
+ self,
+ "0.0.0.0",
+ "232.1.1.2", 32,
+ MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ paths=[VppMRoutePath(0xffffffff,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
+ proto=DpoProto.DPO_PROTO_BIER,
+ bier_imp=bi.bi_index),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ route_eg_232_1_1_2.add_vpp_config()
+ route_eg_232_1_1_2.update_rpf_id(8192)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ MPLS(label=77, ttl=255) /
+ BIER(length=BIERLength.BIER_LEN_256,
+ BitString=chr(255)*32,
+ BFRID=77) /
+ IP(src="1.1.1.1", dst="232.1.1.2") /
+ UDP(sport=1234, dport=1234) /
+ Raw())
+ self.send_and_expect(self.pg0, [p], self.pg1)
+
def bier_e2e(self, hdr_len_id, n_bytes, max_bp):
""" BIER end-to-end"""
# BIER routes in table that are for-us, resolving through
# disp table 8.
#
- bier_route_1 = VppBierRoute(self, bti, 1,
- [VppRoutePath("0.0.0.0",
- 0xffffffff,
- nh_table_id=8)])
+ bier_route_1 = VppBierRoute(
+ self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_BIER,
+ nh_table_id=8)])
bier_route_1.add_vpp_config()
bier_route_max = VppBierRoute(self, bti, max_bp,
[VppRoutePath("0.0.0.0",
labels=[VppMplsLabel(2001)])])
ip_route.add_vpp_config()
- udp_encap = VppUdpEncap(self, 4,
+ udp_encap = VppUdpEncap(self,
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 = VppBierRoute(
+ self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ is_udp_encap=1,
+ next_hop_id=udp_encap.id)])
bier_route.add_vpp_config()
#
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].bsl, BIERLength.BIER_LEN_256)
self.assertEqual(rx[0][BIFT].sd, 1)
self.assertEqual(rx[0][BIFT].set, 0)
self.assertEqual(rx[0][BIFT].ttl, 64)
#
# 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 = VppBierRoute(
+ self, bti, 1,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_BIER,
+ nh_table_id=8)])
bier_route_1.add_vpp_config()
#
Code Review / vpp.git / blobdiff