#include <vnet/mpls/mpls.h>
#include <vnet/mpls/packet.h>
+/**
+ * Keep a lock per-source and a total
+ */
+#define FIB_TABLE_N_LOCKS (FIB_SOURCE_MAX+1)
+#define FIB_TABLE_TOTAL_LOCKS FIB_SOURCE_MAX
+
/**
* @brief
* A protocol Independent FIB table
*/
typedef struct fib_table_t_
{
- /**
- * A union of the protocol specific FIBs that provide the
- * underlying LPM mechanism.
- * This element is first in the struct so that it is in the
- * first cache line.
- */
- union {
- ip4_fib_t v4;
- ip6_fib_t v6;
- mpls_fib_t mpls;
- };
-
/**
* Which protocol this table serves. Used to switch on the union above.
*/
fib_protocol_t ft_proto;
/**
- * number of locks on the table
+ * per-source number of locks on the table
*/
- u16 ft_locks;
+ u16 ft_locks[FIB_TABLE_N_LOCKS];
/**
* Table ID (hash key) for this FIB.
* @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
/**
* @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
* @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
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,
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,
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,
*
* @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
*/
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
*
* @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