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-rw-r--r--src/vnet/fib/ip4_fib.h44
1 files changed, 43 insertions, 1 deletions
diff --git a/src/vnet/fib/ip4_fib.h b/src/vnet/fib/ip4_fib.h
index 7d17baf2545..dc41eb8163f 100644
--- a/src/vnet/fib/ip4_fib.h
+++ b/src/vnet/fib/ip4_fib.h
@@ -197,5 +197,47 @@ ip4_fib_forwarding_lookup_x2 (u32 fib_index0,
*lb1 = ip4_fib_mtrie_leaf_get_adj_index(leaf[1]);
}
-#endif
+static_always_inline void
+ip4_fib_forwarding_lookup_x4 (u32 fib_index0,
+ u32 fib_index1,
+ u32 fib_index2,
+ u32 fib_index3,
+ const ip4_address_t * addr0,
+ const ip4_address_t * addr1,
+ const ip4_address_t * addr2,
+ const ip4_address_t * addr3,
+ index_t *lb0,
+ index_t *lb1,
+ index_t *lb2,
+ index_t *lb3)
+{
+ ip4_fib_mtrie_leaf_t leaf[4];
+ ip4_fib_mtrie_t * mtrie[4];
+
+ mtrie[0] = &ip4_fib_get(fib_index0)->mtrie;
+ mtrie[1] = &ip4_fib_get(fib_index1)->mtrie;
+ mtrie[2] = &ip4_fib_get(fib_index2)->mtrie;
+ mtrie[3] = &ip4_fib_get(fib_index3)->mtrie;
+
+ leaf[0] = ip4_fib_mtrie_lookup_step_one (mtrie[0], addr0);
+ leaf[1] = ip4_fib_mtrie_lookup_step_one (mtrie[1], addr1);
+ leaf[2] = ip4_fib_mtrie_lookup_step_one (mtrie[2], addr2);
+ leaf[3] = ip4_fib_mtrie_lookup_step_one (mtrie[3], addr3);
+
+ leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0], addr0, 2);
+ leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1], addr1, 2);
+ leaf[2] = ip4_fib_mtrie_lookup_step (mtrie[2], leaf[2], addr2, 2);
+ leaf[3] = ip4_fib_mtrie_lookup_step (mtrie[3], leaf[3], addr3, 2);
+
+ leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0], addr0, 3);
+ leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1], addr1, 3);
+ leaf[2] = ip4_fib_mtrie_lookup_step (mtrie[2], leaf[2], addr2, 3);
+ leaf[3] = ip4_fib_mtrie_lookup_step (mtrie[3], leaf[3], addr3, 3);
+
+ *lb0 = ip4_fib_mtrie_leaf_get_adj_index(leaf[0]);
+ *lb1 = ip4_fib_mtrie_leaf_get_adj_index(leaf[1]);
+ *lb2 = ip4_fib_mtrie_leaf_get_adj_index(leaf[2]);
+ *lb3 = ip4_fib_mtrie_leaf_get_adj_index(leaf[3]);
+}
+#endif