GBP Endpoint Learning

Learning GBP endpoints over vxlan-gbp tunnels

Change-Id: I1db9fda5a16802d9ad8b4efd4e475614f3b21502
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>

test/vpp_ip_route.py

@@ -35,6 +35,13 @@ class MplsLspMode:
     UNIFORM = 1
 
 
+def ip_to_dpo_proto(addr):
+    if addr.version is 6:
+        return DpoProto.DPO_PROTO_IP6
+    else:
+        return DpoProto.DPO_PROTO_IP4
+
+
 def find_route(test, ip_addr, len, table_id=0, inet=AF_INET):
     if inet == AF_INET:
         s = 4
@@ -71,6 +78,23 @@ def find_mroute(test, grp_addr, src_addr, grp_addr_len,
     return False
 
 
+def fib_interface_ip_prefix(test, address, length, sw_if_index):
+    vp = VppIpPrefix(address, length)
+    addrs = test.vapi.ip_address_dump(sw_if_index, is_ipv6=vp.is_ip6)
+
+    if vp.is_ip6:
+        n = 16
+    else:
+        n = 4
+
+    for a in addrs:
+        if a.prefix_length == length and \
+           a.sw_if_index == sw_if_index and \
+           a.ip[:n] == vp.bytes:
+            return True
+    return False
+
+
 class VppIpTable(VppObject):
 
     def __init__(self,
@@ -95,6 +119,9 @@ class VppIpTable(VppObject):
             is_add=0)
 
     def query_vpp_config(self):
+        if self.table_id == 0:
+            # the default table always exists
+            return False
         # find the default route
         return find_route(self._test,
                           "::" if self.is_ip6 else "0.0.0.0",
@@ -111,6 +138,79 @@ class VppIpTable(VppObject):
                  self.table_id))
 
 
+class VppIpInterfaceAddress(VppObject):
+
+    def __init__(self, test, intf, addr, len):
+        self._test = test
+        self.intf = intf
+        self.prefix = VppIpPrefix(addr, len)
+
+    def add_vpp_config(self):
+        self._test.vapi.sw_interface_add_del_address(
+            self.intf.sw_if_index,
+            self.prefix.bytes,
+            self.prefix.length,
+            is_add=1,
+            is_ipv6=self.prefix.is_ip6)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.sw_interface_add_del_address(
+            self.intf.sw_if_index,
+            self.prefix.bytes,
+            self.prefix.length,
+            is_add=0,
+            is_ipv6=self.prefix.is_ip6)
+
+    def query_vpp_config(self):
+        return fib_interface_ip_prefix(self._test,
+                                       self.prefix.address,
+                                       self.prefix.length,
+                                       self.intf.sw_if_index)
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "interface-ip-%s-%s" % (self.intf, self.prefix)
+
+
+class VppIpInterfaceBind(VppObject):
+
+    def __init__(self, test, intf, table):
+        self._test = test
+        self.intf = intf
+        self.table = table
+
+    def add_vpp_config(self):
+        if self.table.is_ip6:
+            self.intf.set_table_ip6(self.table.table_id)
+        else:
+            self.intf.set_table_ip4(self.table.table_id)
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        if 0 == self.table.table_id:
+            return
+        if self.table.is_ip6:
+            self.intf.set_table_ip6(0)
+        else:
+            self.intf.set_table_ip4(0)
+
+    def query_vpp_config(self):
+        if 0 == self.table.table_id:
+            return False
+        return self._test.vapi.sw_interface_get_table(
+            self.intf.sw_if_index,
+            self.table.is_ip6).vrf_id == self.table.table_id
+
+    def __str__(self):
+        return self.object_id()
+
+    def object_id(self):
+        return "interface-bind-%s-%s" % (self.intf, self.table)
+
+
 class VppMplsLabel(object):
     def __init__(self, value, mode=MplsLspMode.PIPE, ttl=64, exp=0):
         self.value = value