L2 over MPLS
[vpp.git] / src / vnet / fib / fib_table.h
index b310aea..579740e 100644 (file)
@@ -126,14 +126,16 @@ extern fib_node_index_t fib_table_get_less_specific(u32 fib_index,
 
 /**
  * @brief
- *  Add a 'special' entry to the FIB that links to the adj passed
+ *  Add a 'special' entry to the FIB.
  *  A special entry is an entry that the FIB is not expect to resolve
  *  via the usual mechanisms (i.e. recurisve or neighbour adj DB lookup).
- *  Instead the client/source provides the adj to link to.
+ *  Instead the will link to a DPO valid for the source and/or the flags.
  *  This add is reference counting per-source. So n 'removes' are required
  *  for n 'adds', if the entry is no longer required.
+ *  If the source needs to provide non-default forwarding use:
+ *  fib_table_entry_special_dpo_add()
  *
 * @param fib_index
+ * @param fib_index
  *  The index of the FIB
  *
  * @param prefix
@@ -145,17 +147,13 @@ extern fib_node_index_t fib_table_get_less_specific(u32 fib_index,
  * @param flags
  *  Flags for the entry.
  *
- * @param adj_index
- *  The adjacency to link to.
- *
  * @return
  *  the index of the fib_entry_t that is created (or exists already).
  */
 extern fib_node_index_t fib_table_entry_special_add(u32 fib_index,
                                                    const fib_prefix_t *prefix,
                                                    fib_source_t source,
-                                                   fib_entry_flag_t flags,
-                                                   adj_index_t adj_index);
+                                                   fib_entry_flag_t flags);
 
 /**
  * @brief
@@ -290,7 +288,7 @@ extern fib_node_index_t fib_table_entry_path_add(u32 fib_index,
                                                 const fib_prefix_t *prefix,
                                                 fib_source_t source,
                                                 fib_entry_flag_t flags,
-                                                fib_protocol_t next_hop_proto,
+                                                dpo_proto_t next_hop_proto,
                                                 const ip46_address_t *next_hop,
                                                 u32 next_hop_sw_if_index,
                                                 u32 next_hop_fib_index,
@@ -366,7 +364,7 @@ extern fib_node_index_t fib_table_entry_path_add2(u32 fib_index,
 extern void fib_table_entry_path_remove(u32 fib_index,
                                        const fib_prefix_t *prefix,
                                        fib_source_t source,
-                                       fib_protocol_t next_hop_proto,
+                                       dpo_proto_t next_hop_proto,
                                        const ip46_address_t *next_hop,
                                        u32 next_hop_sw_if_index,
                                        u32 next_hop_fib_index,
@@ -473,7 +471,7 @@ extern fib_node_index_t fib_table_entry_update_one_path(u32 fib_index,
                                                        const fib_prefix_t *prefix,
                                                        fib_source_t source,
                                                        fib_entry_flag_t flags,
-                                                       fib_protocol_t next_hop_proto,
+                                                       dpo_proto_t next_hop_proto,
                                                        const ip46_address_t *next_hop,
                                                        u32 next_hop_sw_if_index,
                                                        u32 next_hop_fib_index,
@@ -667,6 +665,36 @@ extern u32 fib_table_create_and_lock(fib_protocol_t proto,
 extern flow_hash_config_t fib_table_get_flow_hash_config(u32 fib_index,
                                                         fib_protocol_t proto);
 
+/**
+ * @brief
+ *  Get the flow hash configured used by the protocol
+ *
+ * @paran proto
+ *  The protocol of the FIB (and thus the entries therein)
+ *
+ * @return The flow hash config
+ */
+extern flow_hash_config_t fib_table_get_default_flow_hash_config(fib_protocol_t proto);
+
+/**
+ * @brief
+ *  Set the flow hash configured used by the table
+ *
+ * @param fib_index
+ *  The index of the FIB
+ *
+ * @paran proto
+ *  The protocol of the FIB (and thus the entries therein)
+ *
+ * @param hash_config
+ *  The flow-hash config to set
+ *
+ * @return none
+ */
+extern void fib_table_set_flow_hash_config(u32 fib_index,
+                                           fib_protocol_t proto,
+                                           flow_hash_config_t hash_config);
+
 /**
  * @brief
  * Take a reference counting lock on the table