X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_table.h;h=74be63d326a1da634fd51c1c561e518cdf7ac09a;hb=9db6ada779794779158163f6293b479ae7f6ad5e;hp=f13dd77c8b42484ad42452b688a4db5c6e7d58ac;hpb=0d3d4824a46205e776ff32c82be4cb514f459a5f;p=vpp.git

diff --git a/src/vnet/fib/fib_table.h b/src/vnet/fib/fib_table.h
index f13dd77c8b4..74be63d326a 100644
--- a/src/vnet/fib/fib_table.h
+++ b/src/vnet/fib/fib_table.h
@@ -40,16 +40,21 @@ typedef enum fib_table_attribute_t_ {
      * the table is for IP6 link local addresses
      */
     FIB_TABLE_ATTRIBUTE_IP6_LL = FIB_TABLE_ATTRIBUTE_FIRST,
+    /**
+     * the table is currently resync-ing
+     */
+    FIB_TABLE_ATTRIBUTE_RESYNC,
     /**
      * Marker. add new entries before this one.
      */
-    FIB_TABLE_ATTRIBUTE_LAST = FIB_TABLE_ATTRIBUTE_IP6_LL,
+    FIB_TABLE_ATTRIBUTE_LAST = FIB_TABLE_ATTRIBUTE_RESYNC,
 } fib_table_attribute_t;
 
 #define FIB_TABLE_ATTRIBUTE_MAX (FIB_TABLE_ATTRIBUTE_LAST+1)
 
 #define FIB_TABLE_ATTRIBUTES {		         \
     [FIB_TABLE_ATTRIBUTE_IP6_LL]  = "ip6-ll",	 \
+    [FIB_TABLE_ATTRIBUTE_RESYNC]  = "resync",    \
 }
 
 #define FOR_EACH_FIB_TABLE_ATTRIBUTE(_item)      	\
@@ -60,8 +65,11 @@ typedef enum fib_table_attribute_t_ {
 typedef enum fib_table_flags_t_ {
     FIB_TABLE_FLAG_NONE   = 0,
     FIB_TABLE_FLAG_IP6_LL  = (1 << FIB_TABLE_ATTRIBUTE_IP6_LL),
+    FIB_TABLE_FLAG_RESYNC  = (1 << FIB_TABLE_ATTRIBUTE_RESYNC),
 } __attribute__ ((packed)) fib_table_flags_t;
 
+extern u8* format_fib_table_flags(u8 *s, va_list *args);
+
 /**
  * @brief 
  *   A protocol Independent FIB table
@@ -108,6 +116,11 @@ typedef struct fib_table_t_
      */
     u32 ft_total_route_counts;
 
+    /**
+     * Epoch - number of resyncs performed
+     */
+    u32 ft_epoch;
+
     /**
      * Table description
      */
@@ -622,6 +635,46 @@ extern void fib_table_flush(u32 fib_index,
 			    fib_protocol_t proto,
 			    fib_source_t source);
 
+/**
+ * @brief
+ *  Resync all entries from a table for the source
+ *  this is the mark part of the mark and sweep algorithm.
+ *  All entries in this FIB that are sourced by 'source' are marked
+ *  as stale.
+ *
+ * @param fib_index
+ *  The index of the FIB
+ *
+ * @paran proto
+ *  The protocol of the entries in the table
+ *
+ * @param source
+ *  the source to flush
+ */
+extern void fib_table_mark(u32 fib_index,
+                           fib_protocol_t proto,
+                           fib_source_t source);
+
+/**
+ * @brief
+ *  Signal that the table has converged, i.e. all updates are complete.
+ *  this is the sweep part of the mark and sweep algorithm.
+ *  All entries in this FIB that are sourced by 'source' and marked
+ *  as stale are flushed.
+ *
+ * @param fib_index
+ *  The index of the FIB
+ *
+ * @paran proto
+ *  The protocol of the entries in the table
+ *
+ * @param source
+ *  the source to flush
+ */
+extern void fib_table_sweep(u32 fib_index,
+                            fib_protocol_t proto,
+                            fib_source_t source);
+
 /**
  * @brief
  *  Get the index of the FIB bound to the interface