X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Fmpls_fib.h;h=8d18b008b0e0bf1e066bf1af6564be77dd7d0672;hb=eb987d3a09f669787014b1553f032219522149e1;hp=93ae462301646b42f671e9323cb1a5bd32264cab;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git

diff --git a/src/vnet/fib/mpls_fib.h b/src/vnet/fib/mpls_fib.h
index 93ae4623016..8d18b008b0e 100644
--- a/src/vnet/fib/mpls_fib.h
+++ b/src/vnet/fib/mpls_fib.h
@@ -25,16 +25,48 @@
 #include <vnet/mpls/mpls.h>
 #include <vnet/fib/fib_table.h>
 
+#define MPLS_FIB_DEFAULT_TABLE_ID 0
+
+/**
+ * Type exposure is to allow the DP fast/inlined access
+ */
+#define MPLS_FIB_KEY_SIZE 21
+#define MPLS_FIB_DB_SIZE (1 << (MPLS_FIB_KEY_SIZE-1))
+
+/**
+ * There are no options for controlling the MPLS flow hash
+ */
+#define MPLS_FLOW_HASH_DEFAULT 0
+
+typedef struct mpls_fib_t_
+{
+  /**
+   * Required for pool_get_aligned
+   */
+  CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+
+  /**
+   * A hash table of entries. 21 bit key
+   * Hash table for reduced memory footprint
+   */
+  uword * mf_entries;
+
+  /**
+   * The load-balance indices keyed by 21 bit label+eos bit.
+   * A flat array for maximum lookup performace.
+   */
+  index_t mf_lbs[MPLS_FIB_DB_SIZE];
+} mpls_fib_t;
+
 static inline mpls_fib_t*
 mpls_fib_get (fib_node_index_t index)
 {
-    if (!pool_is_free_index(mpls_main.fibs, index))
-	return (&(pool_elt_at_index(mpls_main.fibs, index)->mpls));
-    return (NULL);
+    return (pool_elt_at_index(mpls_main.mpls_fibs, index));
 }
 
-extern u32 mpls_fib_table_find_or_create_and_lock(u32 table_id);
-extern u32 mpls_fib_table_create_and_lock(void);
+extern u32 mpls_fib_table_find_or_create_and_lock(u32 table_id,
+                                                  fib_source_t src);
+extern u32 mpls_fib_table_create_and_lock(fib_source_t src);
 // extern mpls_fib_t * mpls_fib_find(u32 table_id);
 extern u32 mpls_fib_index_from_table_id(u32 table_id);
 
@@ -58,8 +90,7 @@ extern void mpls_fib_table_entry_insert(mpls_fib_t *mf,
 					mpls_label_t label,
 					mpls_eos_bit_t eos,
 					fib_node_index_t fei);
-extern void mpls_fib_table_destroy(mpls_fib_t *mf);
-
+extern void mpls_fib_table_destroy(u32 fib_index);
 
 
 extern void mpls_fib_forwarding_table_update(mpls_fib_t *mf,
@@ -70,6 +101,17 @@ extern void mpls_fib_forwarding_table_reset(mpls_fib_t *mf,
 					    mpls_label_t label,
 					    mpls_eos_bit_t eos);
 
+/**
+ * @brief Walk all entries in a 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 mpls_fib_table_walk(mpls_fib_t *fib,
+                                fib_table_walk_fn_t fn,
+                                void *ctx);
+
+extern u8 *format_mpls_fib_table_memory(u8 * s, va_list * args);
+
 /**
  * @brief
  *  Lookup a label and EOS bit in the MPLS_FIB table to retrieve the
@@ -101,6 +143,4 @@ mpls_fib_table_get_index_for_sw_if_index (u32 sw_if_index)
     return (mm->fib_index_by_sw_if_index[sw_if_index]);
 }
 
-extern flow_hash_config_t mpls_fib_table_get_flow_hash_config(u32 fib_index);
-
 #endif