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MAP: Convert from DPO to input feature.

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Change-Id: I25c86aea23dff19656449b23133db27b1f062ac0
Signed-off-by: Jon Loeliger <jdl@netgate.com>
Signed-off-by: Ole Troan <ot@cisco.com>
This commit is contained in:
Jon Loeliger
2018-12-20 11:47:30 -06:00
committed by Ole Trøan
parent a45dc07c15
commit fc7344f9be
14 changed files with 691 additions and 490 deletions
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98
test/test_map.py
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@ -76,11 +76,25 @@ class TestMAP(VppTestCase):
#
# Add a domain that maps from pg0 to pg1
#
map_dst = '{}/{}'.format(map_br_pfx, map_br_pfx_len)
map_dst = '2001::/64'
map_src = '3000::1/128'
client_pfx = '192.168.0.0/16'
self.vapi.map_add_domain(map_dst, map_src, client_pfx)
# Enable MAP on interface.
self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 0)
# Ensure MAP doesn't steal all packets!
v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
UDP(sport=20000, dport=10000) /
Raw('\xa5' * 100))
rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
v4_reply = v4[1]
v4_reply.ttl -= 1
for p in rx:
self.validate(p[1], v4_reply)
#
# Fire in a v4 packet that will be encapped to the BR
#
@ -91,6 +105,20 @@ class TestMAP(VppTestCase):
self.send_and_assert_encapped(v4, "3000::1", "2001::c0a8:0:0")
# Enable MAP on interface.
self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 0)
# Ensure MAP doesn't steal all packets
v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
UDP(sport=20000, dport=10000) /
Raw('\xa5' * 100))
rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
v6_reply = v6[1]
v6_reply.hlim -= 1
for p in rx:
self.validate(p[1], v6_reply)
#
# Fire in a V6 encapped packet.
# expect a decapped packet on the inside ip4 link
@ -168,15 +196,37 @@ class TestMAP(VppTestCase):
#
# Add a domain that maps from pg0 to pg1
#
self.vapi.map_add_domain('2001:db8::/32',
'1234:5678:90ab:cdef::/64',
'192.168.0.0/24',
16, 6, 4, 1)
map_dst = '2001:db8::/32'
map_src = '1234:5678:90ab:cdef::/64'
ip4_pfx = '192.168.0.0/24'
self.vapi.map_add_domain(map_dst, map_src, ip4_pfx,
16, 6, 4)
# Enable MAP-T on interfaces.
self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 1)
self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 1)
# self.vapi.map_if_enable_disable(1, self.pg0.sw_if_index, 1)
# self.vapi.map_if_enable_disable(1, self.pg1.sw_if_index, 1)
# Ensure MAP doesn't steal all packets!
v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
UDP(sport=20000, dport=10000) /
Raw('\xa5' * 100))
rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
v4_reply = v4[1]
v4_reply.ttl -= 1
for p in rx:
self.validate(p[1], v4_reply)
# Ensure MAP doesn't steal all packets
v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
UDP(sport=20000, dport=10000) /
Raw('\xa5' * 100))
rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
v6_reply = v6[1]
v6_reply.hlim -= 1
for p in rx:
self.validate(p[1], v6_reply)
map_route = VppIpRoute(self,
"2001:db8::",
@ -298,6 +348,40 @@ class TestMAP(VppTestCase):
# p4_reply.id = 256
# self.validate(reass_pkt, p4_reply)
# TCP MSS clamping
self.vapi.map_param_set_tcp(1300)
#
# Send a v4 TCP SYN packet that will be translated and MSS clamped
#
p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
payload = TCP(sport=0xabcd, dport=0xabcd, flags="S",
options=[('MSS', 1460)])
p4 = (p_ether / p_ip4 / payload)
p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0",
dst="2001:db8:1f0::c0a8:1:f") / payload)
p6_translated.hlim -= 1
p6_translated['TCP'].options = [('MSS', 1300)]
rx = self.send_and_expect(self.pg0, p4*1, self.pg1)
for p in rx:
self.validate(p[1], p6_translated)
# Send back an IPv6 packet that will be "untranslated"
p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
dst='1234:5678:90ab:cdef:ac:1001:200:0')
p6 = (p_ether6 / p_ip6 / payload)
p4_translated = (IP(src='192.168.0.1',
dst=self.pg0.remote_ip4) / payload)
p4_translated.id = 0
p4_translated.ttl -= 1
p4_translated['TCP'].options = [('MSS', 1300)]
rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
for p in rx:
self.validate(p[1], p4_translated)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)