#define __FIB_ENTRY_H__
#include <vnet/fib/fib_node.h>
-#include <vnet/fib/fib_entry_delegate.h>
+#include <vnet/fib/fib_source.h>
#include <vnet/adj/adj.h>
#include <vnet/ip/ip.h>
#include <vnet/dpo/dpo.h>
/**
* The different sources that can create a route.
- * The sources are defined here the thier relative priority order.
- * The lower the value the higher the priority
- */
-typedef enum fib_source_t_ {
- /**
- * Marker. Add new values after this one.
- */
- FIB_SOURCE_FIRST,
- /**
- * Special sources. These are for entries that are added to all
- * FIBs by default, and should never be over-ridden (hence they
- * are the highest priority)
- */
- FIB_SOURCE_SPECIAL = FIB_SOURCE_FIRST,
- /**
- * Classify. A route that links directly to a classify adj
- */
- FIB_SOURCE_CLASSIFY,
- /**
- * A route the is being 'proxied' on behalf of another device
- */
- FIB_SOURCE_PROXY,
- /**
- * Route added as a result of interface configuration.
- * this will also come from the API/CLI, but the distinction is
- * that is from confiiguration on an interface, not a 'ip route' command
- */
- FIB_SOURCE_INTERFACE,
- /**
- * SRv6 and SR-MPLS
- */
- FIB_SOURCE_SR,
- /**
- * A high priority source a plugin can use
- */
- FIB_SOURCE_PLUGIN_HI,
- /**
- * From the BIER subsystem
- */
- FIB_SOURCE_BIER,
- /**
- * From the control plane API
- */
- FIB_SOURCE_API,
- /**
- * From the CLI.
- */
- FIB_SOURCE_CLI,
- /**
- * A low (below routing) priority source a plugin can use
- */
- FIB_SOURCE_PLUGIN_LOW,
- /**
- * LISP
- */
- FIB_SOURCE_LISP,
- /**
- * IPv[46] Mapping
- */
- FIB_SOURCE_MAP,
- /**
- * DHCP
- */
- FIB_SOURCE_DHCP,
- /**
- * IPv6 Proxy ND
- */
- FIB_SOURCE_IP6_ND_PROXY,
- /**
- * IPv6 ND (seen in the link-local tables)
- */
- FIB_SOURCE_IP6_ND,
- /**
- * Adjacency source.
- * routes created as a result of ARP/ND entries. This is lower priority
- * then the API/CLI. This is on purpose. trust me.
- */
- FIB_SOURCE_ADJ,
- /**
- * MPLS label. The prefix has been assigned a local label. This source
- * never provides forwarding information, instead it acts as a place-holder
- * so the association of label to prefix can be maintained
- */
- FIB_SOURCE_MPLS,
- /**
- * Attached Export source.
- * routes created as a result of attahced export. routes thus sourced
- * will be present in the export tables
- */
- FIB_SOURCE_AE,
- /**
- * Recursive resolution source.
- * Used to install an entry that is the resolution traget of another.
- */
- FIB_SOURCE_RR,
- /**
- * uRPF bypass/exemption.
- * Used to install an entry that is exempt from the loose uRPF check
- */
- FIB_SOURCE_URPF_EXEMPT,
- /**
- * The default route source.
- * The default route is always added to the FIB table (like the
- * special sources) but we need to be able to over-ride it with
- * 'ip route' sources when provided
- */
- FIB_SOURCE_DEFAULT_ROUTE,
- /**
- * The interpose source.
- * This is not a real source, so don't use it to source a prefix.
- * It exists here to provide a value against which to register to the
- * VFT for providing the interpose actions to a real source.
- */
- FIB_SOURCE_INTERPOSE,
- /**
- * Marker. add new entries before this one.
- */
- FIB_SOURCE_LAST = FIB_SOURCE_INTERPOSE,
-} __attribute__ ((packed)) fib_source_t;
-
-STATIC_ASSERT (sizeof(fib_source_t) == 1,
- "FIB too many sources");
-
-/**
- * The maximum number of sources
- */
-#define FIB_SOURCE_MAX (FIB_SOURCE_LAST+1)
-
-#define FIB_SOURCES { \
- [FIB_SOURCE_SPECIAL] = "special", \
- [FIB_SOURCE_INTERFACE] = "interface", \
- [FIB_SOURCE_PROXY] = "proxy", \
- [FIB_SOURCE_BIER] = "BIER", \
- [FIB_SOURCE_API] = "API", \
- [FIB_SOURCE_CLI] = "CLI", \
- [FIB_SOURCE_ADJ] = "adjacency", \
- [FIB_SOURCE_MAP] = "MAP", \
- [FIB_SOURCE_SR] = "SR", \
- [FIB_SOURCE_LISP] = "LISP", \
- [FIB_SOURCE_CLASSIFY] = "classify", \
- [FIB_SOURCE_DHCP] = "DHCP", \
- [FIB_SOURCE_IP6_ND_PROXY] = "IPv6-proxy-nd", \
- [FIB_SOURCE_IP6_ND] = "IPv6-nd", \
- [FIB_SOURCE_RR] = "recursive-resolution", \
- [FIB_SOURCE_AE] = "attached_export", \
- [FIB_SOURCE_MPLS] = "mpls", \
- [FIB_SOURCE_URPF_EXEMPT] = "urpf-exempt", \
- [FIB_SOURCE_DEFAULT_ROUTE] = "default-route", \
- [FIB_SOURCE_PLUGIN_HI] = "plugin-hi", \
- [FIB_SOURCE_PLUGIN_LOW] = "plugin-low", \
- [FIB_SOURCE_INTERPOSE] = "interpose", \
-}
-
-#define FOR_EACH_FIB_SOURCE(_item) \
- for (_item = FIB_SOURCE_FIRST; _item < FIB_SOURCE_MAX; _item++)
-
-/**
- * The different sources that can create a route.
- * The sources are defined here the thier relative priority order.
+ * The sources are defined here with their relative priority order.
* The lower the value the higher the priority
*/
typedef enum fib_entry_attribute_t_ {
FIB_ENTRY_FLAG_INTERPOSE = (1 << FIB_ENTRY_ATTRIBUTE_INTERPOSE),
} __attribute__((packed)) fib_entry_flag_t;
+extern u8 * format_fib_entry_flags(u8 *s, va_list *args);
+
/**
* Flags for the source data
*/
* the source is active/best
*/
FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+ /**
+ * the source is stale
+ */
+ FIB_ENTRY_SRC_ATTRIBUTE_STALE,
/**
* the source is inherited from its cover
*/
FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
+ /**
+ * the source is currently used as glean src address
+ */
+ FIB_ENTRY_SRC_ATTRIBUTE_PROVIDES_GLEAN,
/**
* Marker. add new entries before this one.
*/
- FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
+ FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_PROVIDES_GLEAN,
} fib_entry_src_attribute_t;
[FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
[FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \
[FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
+ [FIB_ENTRY_SRC_ATTRIBUTE_STALE] = "stale", \
[FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
+ [FIB_ENTRY_SRC_ATTRIBUTE_PROVIDES_GLEAN] = "provides-glean", \
}
#define FOR_EACH_FIB_SRC_ATTRIBUTE(_item) \
FIB_ENTRY_SRC_FLAG_ADDED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ADDED),
FIB_ENTRY_SRC_FLAG_CONTRIBUTING = (1 << FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING),
FIB_ENTRY_SRC_FLAG_ACTIVE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE),
+ FIB_ENTRY_SRC_FLAG_STALE = (1 << FIB_ENTRY_SRC_ATTRIBUTE_STALE),
FIB_ENTRY_SRC_FLAG_INHERITED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_INHERITED),
+ FIB_ENTRY_SRC_FLAG_PROVIDES_GLEAN = (1 << FIB_ENTRY_SRC_ATTRIBUTE_PROVIDES_GLEAN),
} __attribute__ ((packed)) fib_entry_src_flag_t;
+extern u8 * format_fib_entry_src_flags(u8 *s, va_list *args);
+
/*
* Keep the size of the flags field to 2 bytes, so it
* can be placed next to the 2 bytes reference count
u32 fe_sibling;
/**
- * A vector of delegates.
+ * A vector of delegate indices.
*/
- fib_entry_delegate_t *fe_delegates;
+ index_t *fe_delegates;
} fib_entry_t;
#define FOR_EACH_FIB_ENTRY_FLAG(_item) \
extern void fib_entry_path_add(fib_node_index_t fib_entry_index,
fib_source_t source,
fib_entry_flag_t flags,
- const fib_route_path_t *rpath);
+ const fib_route_path_t *rpaths);
extern void fib_entry_special_add(fib_node_index_t fib_entry_index,
fib_source_t source,
fib_entry_flag_t flags,
extern fib_entry_src_flag_t fib_entry_path_remove(fib_node_index_t fib_entry_index,
fib_source_t source,
- const fib_route_path_t *rpath);
+ const fib_route_path_t *rpaths);
extern void fib_entry_inherit(fib_node_index_t cover,
fib_node_index_t covered);
fib_node_index_t fib_entry_index,
fib_source_t source,
dpo_id_t *dpo);
+extern fib_node_index_t fib_entry_get_path_list_for_source (
+ fib_node_index_t fib_entry_index,
+ fib_source_t source);
extern adj_index_t fib_entry_get_adj(fib_node_index_t fib_entry_index);
extern void fib_entry_child_remove(fib_node_index_t fib_entry_index,
u32 sibling_index);
extern u32 fib_entry_get_resolving_interface(fib_node_index_t fib_entry_index);
+extern u32 fib_entry_get_any_resolving_interface(fib_node_index_t fib_entry_index);
extern u32 fib_entry_get_resolving_interface_for_source(
fib_node_index_t fib_entry_index,
fib_source_t source);
-extern void fib_entry_encode(fib_node_index_t fib_entry_index,
- fib_route_path_encode_t **api_rpaths);
-extern void fib_entry_get_prefix(fib_node_index_t fib_entry_index,
- fib_prefix_t *pfx);
+extern fib_route_path_t* fib_entry_encode(fib_node_index_t fib_entry_index);
+extern const fib_prefix_t* fib_entry_get_prefix(fib_node_index_t fib_entry_index);
extern u32 fib_entry_get_fib_index(fib_node_index_t fib_entry_index);
extern void fib_entry_set_source_data(fib_node_index_t fib_entry_index,
fib_source_t source,
extern fib_node_index_t fib_entry_get_path_list(fib_node_index_t fib_entry_index);
extern int fib_entry_is_resolved(fib_node_index_t fib_entry_index);
extern int fib_entry_is_host(fib_node_index_t fib_entry_index);
+extern int fib_entry_is_marked(fib_node_index_t fib_entry_index, fib_source_t source);
+extern void fib_entry_mark(fib_node_index_t fib_entry_index, fib_source_t source);
extern void fib_entry_set_flow_hash_config(fib_node_index_t fib_entry_index,
flow_hash_config_t hash_config);
extern void fib_entry_module_init(void);
+extern u32 fib_entry_get_stats_index(fib_node_index_t fib_entry_index);
+
/*
* unsafe... beware the raw pointer.
*/