FIB: path parsing, table-id not fib-index (VPP-1586)

Change-Id: Ib27952935393163eaabf005c69b1cbc2feca2b98
Signed-off-by: Neale Ranns <nranns@cisco.com>

src/vnet/fib/fib_api.c

@@ -56,10 +56,20 @@ fib_path_api_parse (const vl_api_fib_path_t *in,
     out->frp_proto = in->afi;
     // .frp_addr = (NULL == next_hop ? zero_addr : *next_hop),
     out->frp_sw_if_index = ntohl(in->sw_if_index);
-    out->frp_fib_index = ntohl(in->table_id);
     out->frp_weight = in->weight;
     out->frp_preference = in->preference;
 
+    if (DPO_PROTO_IP4 == out->frp_proto ||
+        DPO_PROTO_IP6 == out->frp_proto ||
+        DPO_PROTO_MPLS == out->frp_proto)
+    {
+        out->frp_fib_index = fib_table_find (dpo_proto_to_fib(out->frp_proto),
+                                             ntohl (in->table_id));
+
+        if (~0 == out->frp_fib_index)
+            return (VNET_API_ERROR_NO_SUCH_FIB);
+    }
+
     /*
      * the special INVALID label meams we are not recursing via a
      * label. Exp-null value is never a valid via-label so that

test/test_abf.py

@@ -5,7 +5,7 @@ import unittest
 
 from framework import VppTestCase, VppTestRunner
 from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsLabel
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsLabel, VppIpTable
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether
@@ -144,9 +144,9 @@ class TestAbf(VppTestCase):
     def setUp(self):
         super(TestAbf, self).setUp()
 
-        self.create_pg_interfaces(range(4))
+        self.create_pg_interfaces(range(5))
 
-        for i in self.pg_interfaces:
+        for i in self.pg_interfaces[:4]:
             i.admin_up()
             i.config_ip4()
             i.resolve_arp()
@@ -266,6 +266,30 @@ class TestAbf(VppTestCase):
 
         self.send_and_assert_no_replies(self.pg1, p_2 * 65, "Detached")
 
+        #
+        # Swap to route via a next-hop in the non-default table
+        #
+        table_20 = VppIpTable(self, 20)
+        table_20.add_vpp_config()
+
+        self.pg4.set_table_ip4(table_20.table_id)
+        self.pg4.admin_up()
+        self.pg4.config_ip4()
+        self.pg4.resolve_arp()
+
+        abf_13 = VppAbfPolicy(self, 13, acl_1,
+                              [VppRoutePath(self.pg4.remote_ip4,
+                                            0xffffffff,
+                                            nh_table_id=table_20.table_id)])
+        abf_13.add_vpp_config()
+        attach_5 = VppAbfAttach(self, 13, self.pg0.sw_if_index, 30)
+        attach_5.add_vpp_config()
+
+        self.send_and_expect(self.pg0, p_1*65, self.pg4)
+
+        self.pg4.unconfig_ip4()
+        self.pg4.set_table_ip4(0)
+
     def test_abf6(self):
         """ IPv6 ACL Based Forwarding
         """

test/test_bier.py

@@ -583,10 +583,12 @@ class TestBier(VppTestCase):
                           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",
-                                                    0xffffffff,
-                                                    nh_table_id=8)])
+        bier_route_max = VppBierRoute(
+            self, bti, max_bp,
+            [VppRoutePath("0.0.0.0",
+                          0xffffffff,
+                          nh_table_id=8,
+                          proto=DpoProto.DPO_PROTO_BIER)])
         bier_route_max.add_vpp_config()
 
         #