#include <vnet/mpls/mpls.h>
#include <vnet/mpls/packet.h>
+/**
+ * Flags for the source data
+ */
+typedef enum fib_table_attribute_t_ {
+ /**
+ * Marker. Add new values after this one.
+ */
+ FIB_TABLE_ATTRIBUTE_FIRST,
+ /**
+ * 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_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) \
+ for (_item = FIB_TABLE_ATTRIBUTE_FIRST; \
+ _item < FIB_TABLE_ATTRIBUTE_MAX; \
+ _item++)
+
+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
fib_protocol_t ft_proto;
/**
- * number of locks on the table
+ * Table flags
*/
- u16 ft_locks;
+ fib_table_flags_t ft_flags;
+
+ /**
+ * per-source number of locks on the table
+ */
+ u32 *ft_locks;
+ u32 ft_total_locks;
/**
* Table ID (hash key) for this FIB.
/**
* Per-source route counters
*/
- u32 ft_src_route_counts[FIB_SOURCE_MAX];
+ u32 *ft_src_route_counts;
/**
* Total route counters
*/
u32 ft_total_route_counts;
+ /**
+ * Epoch - number of resyncs performed
+ */
+ u32 ft_epoch;
+
/**
* Table description
*/
* @brief
* Format the description/name of the table
*/
-extern u8* format_fib_table_name(u8* s, va_list ap);
+extern u8* format_fib_table_name(u8* s, va_list *ap);
/**
* @brief
u32 next_hop_sw_if_index,
u32 next_hop_fib_index,
u32 next_hop_weight,
- mpls_label_t *next_hop_label_stack,
+ fib_mpls_label_t *next_hop_label_stack,
fib_route_path_flags_t pf);
/**
* @brief
u32 next_hop_sw_if_index,
u32 next_hop_fib_index,
u32 next_hop_weight,
- mpls_label_t *next_hop_label_stack,
+ fib_mpls_label_t *next_hop_label_stack,
fib_route_path_flags_t pf);
/**
extern void fib_table_entry_delete_index(fib_node_index_t entry_index,
fib_source_t source);
+/**
+ * @brief
+ * Return the stats index for a FIB entry
+ * @param fib_index
+ * The table's FIB index
+ * @param prefix
+ * The entry's prefix's
+ */
+extern u32 fib_table_entry_get_stats_index(u32 fib_index,
+ const fib_prefix_t *prefix);
+
/**
* @brief
* Flush all entries from a table for the source
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
extern u32 fib_table_get_table_id_for_sw_if_index(fib_protocol_t proto,
u32 sw_if_index);
+/**
+ * @brief
+ * Get the Table-ID of the FIB from protocol and index
+ *
+ * @param fib_index
+ * The FIB index
+ *
+ * @paran proto
+ * The protocol of the FIB (and thus the entries therein)
+ *
+ * @return fib_index
+ * The tableID of the FIB
+ */
+extern u32 fib_table_get_table_id(u32 fib_index, fib_protocol_t proto);
+
/**
* @brief
* Get the index of the FIB for a Table-ID. This DOES NOT create the
*
* @return fib_index
* The index of the FIB
+ *
+ * @param source
+ * The ID of the client/source.
*/
extern u32 fib_table_find_or_create_and_lock(fib_protocol_t proto,
- u32 table_id);
+ u32 table_id,
+ fib_source_t source);
+
+/**
+ * @brief
+ * Get the index of the FIB for a Table-ID. This DOES create the
+ * FIB if it does not exist.
+ *
+ * @paran proto
+ * The protocol of the FIB (and thus the entries therein)
+ *
+ * @param table-id
+ * The Table-ID
+ *
+ * @return fib_index
+ * The index of the FIB
+ *
+ * @param source
+ * The ID of the client/source.
+ *
+ * @param name
+ * The client is choosing the name they want the table to have
+ */
+extern u32 fib_table_find_or_create_and_lock_w_name(fib_protocol_t proto,
+ u32 table_id,
+ fib_source_t source,
+ const u8 *name);
/**
* @brief
* @param fmt
* A string to describe the table
*
+ * @param source
+ * The ID of the client/source.
+ *
* @return fib_index
* The index of the FIB
*/
extern u32 fib_table_create_and_lock(fib_protocol_t proto,
+ fib_source_t source,
const char *const fmt,
...);
* The index of the FIB
*
* @paran proto
- * The protocol of the FIB (and thus the entries therein)
+ * The protocol the packets the flow hash will be calculated for.
*
* @return The flow hash config
*/
*
* @paran proto
* The protocol of the FIB (and thus the entries therein)
+ *
+ * @param source
+ * The ID of the client/source.
*/
extern void fib_table_unlock(u32 fib_index,
- fib_protocol_t proto);
+ fib_protocol_t proto,
+ fib_source_t source);
/**
* @brief
*
* @paran proto
* The protocol of the FIB (and thus the entries therein)
+ *
+ * @param source
+ * The ID of the client/source.
*/
extern void fib_table_lock(u32 fib_index,
- fib_protocol_t proto);
+ fib_protocol_t proto,
+ fib_source_t source);
/**
* @brief
extern fib_table_t *fib_table_get(fib_node_index_t index,
fib_protocol_t proto);
+/**
+ * @brief return code controlling how a table walk proceeds
+ */
+typedef enum fib_table_walk_rc_t_
+{
+ /**
+ * Continue on to the next entry
+ */
+ FIB_TABLE_WALK_CONTINUE,
+ /**
+ * Do no traverse down this sub-tree
+ */
+ FIB_TABLE_WALK_SUB_TREE_STOP,
+ /**
+ * Stop the walk completely
+ */
+ FIB_TABLE_WALK_STOP,
+} fib_table_walk_rc_t;
+
/**
* @brief Call back function when walking entries in a FIB table
*/
-typedef int (*fib_table_walk_fn_t)(fib_node_index_t fei,
- void *ctx);
+typedef fib_table_walk_rc_t (*fib_table_walk_fn_t)(fib_node_index_t fei,
+ void *ctx);
/**
* @brief Walk all entries in a FIB table
fib_table_walk_fn_t fn,
void *ctx);
+/**
+ * @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 fib_table_walk_w_src(u32 fib_index,
+ fib_protocol_t proto,
+ fib_source_t src,
+ fib_table_walk_fn_t fn,
+ void *ctx);
+
+/**
+ * @brief Walk all entries in a sub-tree FIB table. The 'root' paraneter
+ * is the prefix at the root of the sub-tree.
+ * 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 fib_table_sub_tree_walk(u32 fib_index,
+ fib_protocol_t proto,
+ const fib_prefix_t *root,
+ fib_table_walk_fn_t fn,
+ void *ctx);
+
+/**
+ * @brief format (display) the memory used by the FIB tables
+ */
+extern u8 *format_fib_table_memory(u8 *s, va_list *args);
+
+/**
+ * Debug function
+ */
+#if CLIB_DEBUG > 0
+extern void fib_table_assert_empty(const fib_table_t *fib_table);
+#endif
+
+
#endif
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