* A high priority source a plugin can use
*/
FIB_SOURCE_PLUGIN_HI,
+ /**
+ * From the BIER subsystem
+ */
+ FIB_SOURCE_BIER,
/**
* From the control plane API
*/
* IPv[46] Mapping
*/
FIB_SOURCE_MAP,
- /**
- * SIXRD
- */
- FIB_SOURCE_SIXRD,
/**
* 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
* '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_DEFAULT_ROUTE,
+ FIB_SOURCE_LAST = FIB_SOURCE_INTERPOSE,
} __attribute__ ((packed)) fib_source_t;
STATIC_ASSERT (sizeof(fib_source_t) == 1,
[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_SIXRD] = "SixRD", \
[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_INTERPOSE] = "interpose", \
}
#define FOR_EACH_FIB_SOURCE(_item) \
* To be used with caution
*/
FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT,
+ /**
+ * The prefix/address exempted from attached export
+ */
+ FIB_ENTRY_ATTRIBUTE_NO_ATTACHED_EXPORT,
+ /**
+ * This FIB entry imposes its source information on all prefixes
+ * that is covers
+ */
+ FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT,
+ /**
+ * The interpose attribute.
+ * place the forwarding provided by the source infront of the forwarding
+ * provided by the best source, or failing that, by the cover.
+ */
+ FIB_ENTRY_ATTRIBUTE_INTERPOSE,
/**
* Marker. add new entries before this one.
*/
- FIB_ENTRY_ATTRIBUTE_LAST = FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT,
+ FIB_ENTRY_ATTRIBUTE_LAST = FIB_ENTRY_ATTRIBUTE_INTERPOSE,
} fib_entry_attribute_t;
#define FIB_ENTRY_ATTRIBUTES { \
[FIB_ENTRY_ATTRIBUTE_LOCAL] = "local", \
[FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT] = "uRPF-exempt", \
[FIB_ENTRY_ATTRIBUTE_MULTICAST] = "multicast", \
+ [FIB_ENTRY_ATTRIBUTE_NO_ATTACHED_EXPORT] = "no-attached-export", \
+ [FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT] = "covered-inherit", \
+ [FIB_ENTRY_ATTRIBUTE_INTERPOSE] = "interpose", \
}
#define FOR_EACH_FIB_ATTRIBUTE(_item) \
FIB_ENTRY_FLAG_EXCLUSIVE = (1 << FIB_ENTRY_ATTRIBUTE_EXCLUSIVE),
FIB_ENTRY_FLAG_LOCAL = (1 << FIB_ENTRY_ATTRIBUTE_LOCAL),
FIB_ENTRY_FLAG_IMPORT = (1 << FIB_ENTRY_ATTRIBUTE_IMPORT),
+ FIB_ENTRY_FLAG_NO_ATTACHED_EXPORT = (1 << FIB_ENTRY_ATTRIBUTE_NO_ATTACHED_EXPORT),
FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT = (1 << FIB_ENTRY_ATTRIBUTE_URPF_EXEMPT),
FIB_ENTRY_FLAG_MULTICAST = (1 << FIB_ENTRY_ATTRIBUTE_MULTICAST),
+ FIB_ENTRY_FLAG_COVERED_INHERIT = (1 << FIB_ENTRY_ATTRIBUTE_COVERED_INHERIT),
+ FIB_ENTRY_FLAG_INTERPOSE = (1 << FIB_ENTRY_ATTRIBUTE_INTERPOSE),
} __attribute__((packed)) fib_entry_flag_t;
/**
* the source has been added to the entry
*/
FIB_ENTRY_SRC_ATTRIBUTE_ADDED = FIB_ENTRY_SRC_ATTRIBUTE_FIRST,
+ /**
+ * the source is contributing forwarding
+ */
+ FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING,
/**
* the source is active/best
*/
FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+ /**
+ * the source is inherited from its cover
+ */
+ FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
/**
* Marker. add new entries before this one.
*/
- FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE,
+ FIB_ENTRY_SRC_ATTRIBUTE_LAST = FIB_ENTRY_SRC_ATTRIBUTE_INHERITED,
} fib_entry_src_attribute_t;
-#define FIB_ENTRY_SRC_ATTRIBUTE_MAX (FIB_ENTRY_SRC_ATTRIBUTE_LAST+1)
#define FIB_ENTRY_SRC_ATTRIBUTES { \
[FIB_ENTRY_SRC_ATTRIBUTE_ADDED] = "added", \
+ [FIB_ENTRY_SRC_ATTRIBUTE_CONTRIBUTING] = "contributing", \
[FIB_ENTRY_SRC_ATTRIBUTE_ACTIVE] = "active", \
+ [FIB_ENTRY_SRC_ATTRIBUTE_INHERITED] = "inherited", \
}
+#define FOR_EACH_FIB_SRC_ATTRIBUTE(_item) \
+ for (_item = FIB_ENTRY_SRC_ATTRIBUTE_FIRST; \
+ _item <= FIB_ENTRY_SRC_ATTRIBUTE_LAST; \
+ _item++)
+
typedef enum fib_entry_src_flag_t_ {
FIB_ENTRY_SRC_FLAG_NONE = 0,
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_INHERITED = (1 << FIB_ENTRY_SRC_ATTRIBUTE_INHERITED),
} __attribute__ ((packed)) fib_entry_src_flag_t;
/*
* The path-list created by the source
*/
fib_node_index_t fes_pl;
+
+ /**
+ * Flags the source contributes to the entry
+ */
+ fib_entry_flag_t fes_entry_flags;
+
/**
* Which source this info block is for
*/
fib_source_t fes_src;
+
/**
* Flags on the source
*/
* of times a given source has been added. Which is even fewer
*/
u8 fes_ref_count;
-
- /**
- * Flags the source contributes to the entry
- */
- fib_entry_flag_t fes_entry_flags;
/**
* Source specific info
*/
u32 fesr_sibling;
} rr;
+ struct {
+ /**
+ * the index of the FIB entry that is the covering entry
+ */
+ fib_node_index_t fesi_cover;
+ /**
+ * This source's index in the cover's list
+ */
+ u32 fesi_sibling;
+ /**
+ * DPO type to interpose. The dpo type needs to have registered
+ * it's 'contribute interpose' callback function.
+ */
+ dpo_id_t fesi_dpo;
+ } interpose;
struct {
/**
* the index of the FIB entry that is the covering entry
*/
fib_node_index_t fesl_fib_index;
} lisp;
- };
+ } u;
} fib_entry_src_t;
/**
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);
+
+extern void fib_entry_inherit(fib_node_index_t cover,
+ fib_node_index_t covered);
+
extern fib_entry_src_flag_t fib_entry_delete(fib_node_index_t fib_entry_index,
fib_source_t source);
+extern void fib_entry_recalculate_forwarding(
+ fib_node_index_t fib_entry_index);
extern void fib_entry_contribute_urpf(fib_node_index_t path_index,
index_t urpf);
extern void fib_entry_contribute_forwarding(
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