Harmonize vec/pool_get_aligned object sizes and alignment requests

[vpp.git] / src / vnet / fib / ip4_fib.h

diff --git a/src/vnet/fib/ip4_fib.h b/src/vnet/fib/ip4_fib.h
index a8dc68b..7fc2d3f 100644 (file)
--- a/src/vnet/fib/ip4_fib.h
+++ b/src/vnet/fib/ip4_fib.h
@@ -34,6 +34,32 @@
 #include <vnet/ip/ip.h>
 #include <vnet/fib/fib_entry.h>
 #include <vnet/fib/fib_table.h>
+#include <vnet/ip/ip4_mtrie.h>
+
+typedef struct ip4_fib_t_
+{
+  /**
+   * Mtrie for fast lookups. Hash is used to maintain overlapping prefixes.
+   * First member so it's in the first cacheline.
+   */
+  ip4_fib_mtrie_t mtrie;
+
+  /* Hash table for each prefix length mapping. */
+  uword *fib_entry_by_dst_address[33];
+
+  /* Table ID (hash key) for this FIB. */
+  u32 table_id;
+
+  /* Index into FIB vector. */
+  u32 index;
+
+  /* N-tuple classifier indices */
+  u32 fwd_classify_table_index;
+  u32 rev_classify_table_index;
+
+  /* Required for pool_get_aligned */
+  CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+} ip4_fib_t;
 
 extern fib_node_index_t ip4_fib_table_lookup(const ip4_fib_t *fib,
                                             const ip4_address_t *addr,
@@ -50,7 +76,7 @@ extern void ip4_fib_table_entry_insert(ip4_fib_t *fib,
                                       const ip4_address_t *addr,
                                       u32 len,
                                       fib_node_index_t fib_entry_index);
-extern void ip4_fib_table_destroy(ip4_fib_t *fib);
+extern void ip4_fib_table_destroy(u32 fib_index);
 
 extern void ip4_fib_table_fwding_dpo_update(ip4_fib_t *fib,
                                            const ip4_address_t *addr,
@@ -60,7 +86,8 @@ extern void ip4_fib_table_fwding_dpo_update(ip4_fib_t *fib,
 extern void ip4_fib_table_fwding_dpo_remove(ip4_fib_t *fib,
                                            const ip4_address_t *addr,
                                            u32 len,
-                                           const dpo_id_t *dpo);
+                                           const dpo_id_t *dpo,
+                                            fib_node_index_t cover_index);
 extern u32 ip4_fib_table_lookup_lb (ip4_fib_t *fib,
                                    const ip4_address_t * dst);
 
@@ -73,13 +100,23 @@ extern void ip4_fib_table_walk(ip4_fib_t *fib,
                                fib_table_walk_fn_t fn,
                                void *ctx);
 
+/**
+ * @brief Walk all entries in a sub-tree of the FIB table
+ * N.B: This is NOT safe to deletes. If you need to delete walk the whole
+ * table and store elements in a vector, then delete the elements
+ */
+extern void ip4_fib_table_sub_tree_walk(ip4_fib_t *fib,
+                                        const fib_prefix_t *root,
+                                        fib_table_walk_fn_t fn,
+                                        void *ctx);
+
 /**
  * @brief Get the FIB at the given index
  */
 static inline ip4_fib_t *
 ip4_fib_get (u32 index)
 {
-    return (&(pool_elt_at_index(ip4_main.fibs, index)->v4));
+    return (pool_elt_at_index(ip4_main.v4_fibs, index));
 }
 
 always_inline u32
@@ -102,9 +139,11 @@ ip4_fib_lookup (ip4_main_t * im, u32 sw_if_index, ip4_address_t * dst)
  * @returns A pointer to the retrieved or created fib.
  *
  */
-extern u32 ip4_fib_table_find_or_create_and_lock(u32 table_id);
-extern u32 ip4_fib_table_create_and_lock(void);
+extern u32 ip4_fib_table_find_or_create_and_lock(u32 table_id,
+                                                 fib_source_t src);
+extern u32 ip4_fib_table_create_and_lock(fib_source_t src);
 
+extern u8 *format_ip4_fib_table_memory(u8 * s, va_list * args);
 
 static inline 
 u32 ip4_fib_index_from_table_id (u32 table_id)
@@ -121,9 +160,6 @@ u32 ip4_fib_index_from_table_id (u32 table_id)
 
 extern u32 ip4_fib_table_get_index_for_sw_if_index(u32 sw_if_index);
 
-extern flow_hash_config_t ip4_fib_table_get_flow_hash_config(u32 fib_index);
-
-
 always_inline index_t
 ip4_fib_forwarding_lookup (u32 fib_index,
                            const ip4_address_t * addr)
@@ -133,15 +169,10 @@ ip4_fib_forwarding_lookup (u32 fib_index,
 
     mtrie = &ip4_fib_get(fib_index)->mtrie;
 
-    leaf = IP4_FIB_MTRIE_LEAF_ROOT;
-    leaf = ip4_fib_mtrie_lookup_step (mtrie, leaf, addr, 0);
-    leaf = ip4_fib_mtrie_lookup_step (mtrie, leaf, addr, 1);
+    leaf = ip4_fib_mtrie_lookup_step_one (mtrie, addr);
     leaf = ip4_fib_mtrie_lookup_step (mtrie, leaf, addr, 2);
     leaf = ip4_fib_mtrie_lookup_step (mtrie, leaf, addr, 3);
 
-    /* Handle default route. */
-    leaf = (leaf == IP4_FIB_MTRIE_LEAF_EMPTY ? mtrie->default_leaf : leaf);
-    
     return (ip4_fib_mtrie_leaf_get_adj_index(leaf));
 }