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Set mac address based on destination network [HACK]

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This commit is contained in:
Nico Schottelius 2019-04-03 11:31:29 +02:00
commit 0f2df2723b
3 changed files with 47 additions and 8 deletions
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25
p4app/controller.py
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@ -78,6 +78,7 @@ class L2Controller(object):
# https://en.wikipedia.org/wiki/Solicited-node_multicast_address
self.info['ndp_multicast'] = ipaddress.ip_network("ff02::1:ff00:0/104")
self.info['mac_base'] = "00:00:0a:00:00:0{}"
self.info['mac_addr'] = "00:00:0a:00:00:42"
self.info['mac_broadcast'] = "ff:ff:ff:ff:ff:ff"
self.info['ipv6_link_local'] = ipaddress.ip_address("fe80::200:aff:fe00:42")
@ -115,8 +116,9 @@ class L2Controller(object):
net = self.info['v6_gen'].next()
self.v6_routes['base'].append({
"net": net,
"port": port}
)
"port": port,
"mac": self.info['mac_base'].format(port)
})
self.ports.append(port)
self.v6_routes['router'] = self.v6_routes['base']
@ -131,8 +133,9 @@ class L2Controller(object):
net = self.info['v4_gen'].next()
self.v4_routes['base'].append({
"net": net,
"port": port}
)
"port": port,
"mac": self.info['mac_base'].format(port)
})
self.ports.append(port)
self.v4_routes['router'] = self.v4_routes['base']
@ -256,13 +259,23 @@ class L2Controller(object):
def fill_tables(self):
self.controller.table_clear("v6_networks")
for v6route in self.v6_routes[self.mode]:
self.controller.table_add("v6_networks", "set_egress_port", [str(v6route['net'])], [str(v6route['port'])])
#self.controller.table_add("v6_networks", "set_egress_port", [str(v6route['net'])], [str(v6route['port'])])
self.controller.table_add("v4_networks", "set_egress_port_and_mac",
[str(v6route['net'])],
[str(v6route['port']),
str(v6route['mac']),
])
self.controller.table_clear("v4_networks")
self.controller.table_clear("v4_arp")
self.controller.table_clear("v4_arp_egress")
for v4route in self.v4_routes[self.mode]:
self.controller.table_add("v4_networks", "set_egress_port", [str(v4route['net'])], [str(v4route['port'])])
# self.controller.table_add("v4_networks", "set_egress_port", [str(v4route['net'])], [str(v4route['port'])])
self.controller.table_add("v4_networks", "set_egress_port_and_mac",
[str(v4route['net'])],
[str(v4route['port']),
str(v4route['mac']),
])
# ARP support
self.controller.table_add("v4_arp_egress", "set_egress_port", [str(v4route['net'])], [str(v4route['port'])])