FIB Inherited Srouce
forwarding provided by the source is pushed to all other entries
it covers in the sub-tree
Change-Id: I2a45222ef653358f55c2436de3e3c6353cfadba2
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c
index 9a8febb..61b290b 100644
--- a/src/vnet/fib/fib_test.c
+++ b/src/vnet/fib/fib_test.c
@@ -661,7 +661,8 @@
const load_balance_t *lb;
FIB_TEST_LB((DPO_LOAD_BALANCE == dpo.dpoi_type),
- "Entry links to %U",
+ "%U Entry links to %U",
+ format_fib_prefix, &pfx,
format_dpo_type, dpo.dpoi_type);
lb = load_balance_get(dpo.dpoi_index);
@@ -698,7 +699,7 @@
fw_lbi = 0;
}
FIB_TEST_LB((fw_lbi == dpo.dpoi_index),
- "Contributed LB = FW LB: %U\n %U",
+ "Contributed LB = FW LB:\n fwd:%U\n cont:%U",
format_load_balance, fw_lbi, 0,
format_load_balance, dpo.dpoi_index, 0);
}
@@ -8781,6 +8782,796 @@
return (0);
}
+static int
+fib_test_inherit (void)
+{
+ fib_node_index_t fei;
+ test_main_t *tm;
+ int n_feis;
+
+ n_feis = fib_entry_pool_size();
+ tm = &test_main;
+
+ const ip46_address_t nh_10_10_10_1 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
+ };
+ const ip46_address_t nh_10_10_10_2 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
+ };
+ const ip46_address_t nh_10_10_10_16 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a10),
+ };
+ const ip46_address_t nh_10_10_10_20 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a14),
+ };
+ const ip46_address_t nh_10_10_10_21 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a15),
+ };
+ const ip46_address_t nh_10_10_10_22 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a16),
+ };
+ const ip46_address_t nh_10_10_10_255 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0aff),
+ };
+ const ip46_address_t nh_10_10_10_0 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a00),
+ };
+ const ip46_address_t nh_10_10_0_0 = {
+ .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0000),
+ };
+
+ /*
+ * prefixes at the base of a sub-tree
+ */
+ const fib_prefix_t pfx_10_10_10_21_s_32 = {
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_21,
+ };
+ const fib_prefix_t pfx_10_10_10_22_s_32 = {
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_22,
+ };
+ const fib_prefix_t pfx_10_10_10_255_s_32 = {
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_255,
+ };
+
+ fib_table_entry_special_add(0,
+ &pfx_10_10_10_21_s_32,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+ fib_table_entry_special_add(0,
+ &pfx_10_10_10_22_s_32,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+ fib_table_entry_special_add(0,
+ &pfx_10_10_10_255_s_32,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+
+ /*
+ * source an entry that pushes its state down the sub-tree
+ */
+ const fib_prefix_t pfx_10_10_10_16_s_28 = {
+ .fp_len = 28,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_16,
+ };
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_16_s_28,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ /*
+ * this covering entry and all those below it should have
+ * the same forwarding information.
+ */
+ adj_index_t ai_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index);
+ fib_test_lb_bucket_t adj_o_10_10_10_1 = {
+ .type = FT_LB_ADJ,
+ .adj = {
+ .adj = ai_10_10_10_1,
+ },
+ };
+
+ fei = fib_table_lookup(0, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+
+ /*
+ * remove the inherting cover - covereds go back to drop
+ */
+ fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_API);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+
+ /*
+ * source an entry that pushes its state down the sub-tree
+ */
+ const fib_prefix_t pfx_10_10_10_0_s_24 = {
+ .fp_len = 24,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_0,
+ };
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_0_s_24,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ /*
+ * whole sub-tree now covered
+ */
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+
+ /*
+ * insert a more specific into the sub-tree - expect inheritance
+ * this one is directly covered by the root
+ */
+ fib_table_entry_special_add(0,
+ &pfx_10_10_10_16_s_28,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+
+ /*
+ * insert a more specific into the sub-tree - expect inheritance
+ * this one is indirectly covered by the root
+ */
+ const fib_prefix_t pfx_10_10_10_20_s_30 = {
+ .fp_len = 30,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_10_20,
+ };
+ fib_table_entry_special_add(0,
+ &pfx_10_10_10_20_s_30,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_20_s_30);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_20_s_30);
+
+ /*
+ * remove the prefix from the middle of the sub-tree
+ * the inherited source will be the only one remaining - expect
+ * it to be withdrawn and hence the prefix is removed.
+ */
+ fib_table_entry_special_remove(0,
+ &pfx_10_10_10_20_s_30,
+ FIB_SOURCE_CLI);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_20_s_30);
+ FIB_TEST((FIB_NODE_INDEX_INVALID == fei),
+ "%U gone",
+ format_fib_prefix, &pfx_10_10_10_20_s_30);
+
+ /*
+ * inheriting source is modifed - expect the modification to be present
+ * throughout the sub-tree
+ */
+ adj_index_t ai_10_10_10_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index);
+ fib_test_lb_bucket_t adj_o_10_10_10_2 = {
+ .type = FT_LB_ADJ,
+ .adj = {
+ .adj = ai_10_10_10_2,
+ },
+ };
+
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_0_s_24,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+
+ /*
+ * add the source that replaces inherited state.
+ * inheriting source is not the best, so it doesn't push state.
+ */
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_0_s_24,
+ FIB_SOURCE_PLUGIN_HI,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+
+ /*
+ * withdraw the higher priority source and expect the inherited to return
+ * throughout the sub-tree
+ */
+ fib_table_entry_delete(0, &pfx_10_10_10_0_s_24, FIB_SOURCE_PLUGIN_HI);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+
+ /*
+ * source a covered entry in the sub-tree with the same inherting source
+ * - expect that it now owns the sub-tree and thus over-rides its cover
+ */
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_16_s_28,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+
+ /* these two unaffected by the sub-tree change */
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+
+ /*
+ * removes the more specific, expect the /24 to now re-owns the sub-tree
+ */
+ fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_API);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+ /*
+ * modify the /24. expect the new forwarding to be pushed down
+ */
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_10_0_s_24,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+
+ /*
+ * add an entry less specific to /24. it should not own the /24's tree
+ */
+ const fib_prefix_t pfx_10_10_0_0_s_16 = {
+ .fp_len = 16,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = nh_10_10_0_0,
+ };
+ fib_table_entry_update_one_path(0,
+ &pfx_10_10_0_0_s_16,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP4,
+ &nh_10_10_10_2,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_16_s_28);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_21_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_22_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_255_s_32);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_1),
+ "%U via 10.10.10.1",
+ format_fib_prefix, &pfx_10_10_10_0_s_24);
+ fei = fib_table_lookup_exact_match(0, &pfx_10_10_0_0_s_16);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
+ 1,
+ &adj_o_10_10_10_2),
+ "%U via 10.10.10.2",
+ format_fib_prefix, &pfx_10_10_0_0_s_16);
+
+ /*
+ * cleanup
+ */
+ fib_table_entry_delete(0, &pfx_10_10_10_21_s_32, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_10_10_10_22_s_32, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_10_10_10_255_s_32, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_10_10_10_0_s_24, FIB_SOURCE_API);
+ fib_table_entry_delete(0, &pfx_10_10_0_0_s_16, FIB_SOURCE_API);
+ adj_unlock(ai_10_10_10_1);
+ adj_unlock(ai_10_10_10_2);
+
+ /*
+ * test the v6 tree walk.
+ * a /64 that covers everytinhg. a /96 that covers one /128
+ * a second /128 covered only by the /64.
+ */
+ const fib_prefix_t pfx_2001_s_64 = {
+ .fp_len = 64,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_addr = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x2001000000000000),
+ [1] = clib_host_to_net_u64(0x0000000000000000),
+ },
+ },
+ },
+ };
+ const fib_prefix_t pfx_2001_1_s_96 = {
+ .fp_len = 96,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_addr = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x2001000000000000),
+ [1] = clib_host_to_net_u64(0x1000000000000000),
+ },
+ },
+ },
+ };
+ const fib_prefix_t pfx_2001_1_1_s_128 = {
+ .fp_len = 128,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_addr = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x2001000000000000),
+ [1] = clib_host_to_net_u64(0x1000000000000001),
+ },
+ },
+ },
+ };
+ const fib_prefix_t pfx_2001_0_1_s_128 = {
+ .fp_len = 128,
+ .fp_proto = FIB_PROTOCOL_IP6,
+ .fp_addr = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x2001000000000000),
+ [1] = clib_host_to_net_u64(0x0000000000000001),
+ },
+ },
+ },
+ };
+ const ip46_address_t nh_3000_1 = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x3000000000000000),
+ [1] = clib_host_to_net_u64(0x0000000000000001),
+ },
+ },
+ };
+ const ip46_address_t nh_3000_2 = {
+ .ip6 = {
+ .as_u64 = {
+ [0] = clib_host_to_net_u64(0x3000000000000000),
+ [1] = clib_host_to_net_u64(0x0000000000000002),
+ },
+ },
+ };
+ adj_index_t ai_3000_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
+ VNET_LINK_IP6,
+ &nh_3000_1,
+ tm->hw[0]->sw_if_index);
+ adj_index_t ai_3000_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
+ VNET_LINK_IP6,
+ &nh_3000_2,
+ tm->hw[0]->sw_if_index);
+ fib_test_lb_bucket_t adj_o_3000_1 = {
+ .type = FT_LB_ADJ,
+ .adj = {
+ .adj = ai_3000_1,
+ },
+ };
+ fib_test_lb_bucket_t adj_o_3000_2 = {
+ .type = FT_LB_ADJ,
+ .adj = {
+ .adj = ai_3000_2,
+ },
+ };
+
+ fib_table_entry_special_add(0,
+ &pfx_2001_0_1_s_128,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+ fib_table_entry_special_add(0,
+ &pfx_2001_1_1_s_128,
+ FIB_SOURCE_CLI,
+ FIB_ENTRY_FLAG_DROP);
+
+ /*
+ * /96 has inherited forwarding pushed down to its covered /128
+ */
+ fib_table_entry_update_one_path(0,
+ &pfx_2001_1_s_96,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP6,
+ &nh_3000_1,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_1_s_96);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_1),
+ "%U via 3000::1",
+ format_fib_prefix, &pfx_2001_1_s_96);
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_1_1_s_128);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_1),
+ "%U via 3000::1",
+ format_fib_prefix, &pfx_2001_1_1_s_128);
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_0_1_s_128);
+ FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
+ "%U resolves via drop",
+ format_fib_prefix, &pfx_2001_0_1_s_128);
+
+ /*
+ * /64 has inherited forwarding pushed down to all, but the /96
+ * and its sub-tree remain unaffected.
+ */
+ fib_table_entry_update_one_path(0,
+ &pfx_2001_s_64,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_COVERED_INHERIT,
+ DPO_PROTO_IP6,
+ &nh_3000_2,
+ tm->hw[0]->sw_if_index,
+ ~0,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_s_64);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_2),
+ "%U via 3000::2",
+ format_fib_prefix, &pfx_2001_s_64);
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_0_1_s_128);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_2),
+ "%U via 3000::1",
+ format_fib_prefix, &pfx_2001_0_1_s_128);
+
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_1_s_96);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_1),
+ "%U via 3000::1",
+ format_fib_prefix, &pfx_2001_1_s_96);
+ fei = fib_table_lookup_exact_match(0, &pfx_2001_1_1_s_128);
+ FIB_TEST(fib_test_validate_entry(fei,
+ FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
+ 1,
+ &adj_o_3000_1),
+ "%U via 3000::1",
+ format_fib_prefix, &pfx_2001_1_1_s_128);
+
+ /*
+ * Cleanup
+ */
+ fib_table_entry_delete(0, &pfx_2001_0_1_s_128, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_2001_1_1_s_128, FIB_SOURCE_CLI);
+ fib_table_entry_delete(0, &pfx_2001_s_64, FIB_SOURCE_API);
+ fib_table_entry_delete(0, &pfx_2001_1_s_96, FIB_SOURCE_API);
+ adj_unlock(ai_3000_1);
+ adj_unlock(ai_3000_2);
+
+ /*
+ * test no-one left behind
+ */
+ FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
+ FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
+ return (0);
+}
+
static clib_error_t *
fib_test (vlib_main_t * vm,
unformat_input_t * input,
@@ -8825,6 +9616,10 @@
{
res += fib_test_bfd();
}
+ else if (unformat (input, "inherit"))
+ {
+ res += fib_test_inherit();
+ }
else
{
res += fib_test_v4();
@@ -8833,6 +9628,7 @@
res += fib_test_bfd();
res += fib_test_pref();
res += fib_test_label();
+ res += fib_test_inherit();
res += lfib_test();
/*