#include <vlib/vlib.h>
#include <vnet/adj/adj.h>
-#include "fib_node.h"
-#include "fib_path.h"
+#include <vnet/fib/fib_node.h>
+#include <vnet/fib/fib_path.h>
/**
* Enumeration of path-list flags.
* be searched for each route update.
*/
FIB_PATH_LIST_ATTRIBUTE_SHARED = FIB_PATH_LIST_ATTRIBUTE_FIRST,
- /**
- * Indexed means the path-list keeps a hash table of all paths for
- * fast lookup. The lookup result is the fib_node_index of the path.
- */
- FIB_PATH_LIST_ATTRIBUTE_INDEXED,
/**
* explicit drop path-list. Used when the entry source needs to
* force a drop, despite the fact the path info is present.
* looped path-list. one path looped implies the whole list is
*/
FIB_PATH_LIST_ATTRIBUTE_LOOPED,
+ /**
+ * a popular path-ist is one that is shared amongst many entries.
+ * Path list become popular as they gain more children, but they
+ * don't become unpopular as they lose them.
+ */
+ FIB_PATH_LIST_ATTRIBUTE_POPULAR,
/**
* no uRPF - do not generate unicast RPF list for this path-list
*/
/**
* Marher. Add new flags before this one, and then update it.
*/
- FIB_PATH_LIST_ATTRIBUTE_LAST = FIB_PATH_LIST_ATTRIBUTE_LOOPED,
+ FIB_PATH_LIST_ATTRIBUTE_LAST = FIB_PATH_LIST_ATTRIBUTE_NO_URPF,
} fib_path_list_attribute_t;
typedef enum fib_path_list_flags_t_ {
FIB_PATH_LIST_FLAG_NONE = 0,
FIB_PATH_LIST_FLAG_SHARED = (1 << FIB_PATH_LIST_ATTRIBUTE_SHARED),
- FIB_PATH_LIST_FLAG_INDEXED = (1 << FIB_PATH_LIST_ATTRIBUTE_INDEXED),
FIB_PATH_LIST_FLAG_DROP = (1 << FIB_PATH_LIST_ATTRIBUTE_DROP),
FIB_PATH_LIST_FLAG_LOCAL = (1 << FIB_PATH_LIST_ATTRIBUTE_LOCAL),
FIB_PATH_LIST_FLAG_EXCLUSIVE = (1 << FIB_PATH_LIST_ATTRIBUTE_EXCLUSIVE),
FIB_PATH_LIST_FLAG_RESOLVED = (1 << FIB_PATH_LIST_ATTRIBUTE_RESOLVED),
FIB_PATH_LIST_FLAG_LOOPED = (1 << FIB_PATH_LIST_ATTRIBUTE_LOOPED),
+ FIB_PATH_LIST_FLAG_POPULAR = (1 << FIB_PATH_LIST_ATTRIBUTE_POPULAR),
FIB_PATH_LIST_FLAG_NO_URPF = (1 << FIB_PATH_LIST_ATTRIBUTE_NO_URPF),
} fib_path_list_flags_t;
#define FIB_PATH_LIST_ATTRIBUTES { \
[FIB_PATH_LIST_ATTRIBUTE_SHARED] = "shared", \
- [FIB_PATH_LIST_ATTRIBUTE_INDEXED] = "indexed", \
[FIB_PATH_LIST_ATTRIBUTE_RESOLVED] = "resolved", \
[FIB_PATH_LIST_ATTRIBUTE_DROP] = "drop", \
[FIB_PATH_LIST_ATTRIBUTE_EXCLUSIVE] = "exclusive", \
- [FIB_PATH_LIST_ATTRIBUTE_LOCAL] = "local", \
- [FIB_PATH_LIST_ATTRIBUTE_LOOPED] = "looped", \
- [FIB_PATH_LIST_ATTRIBUTE_NO_URPF] = "no-uRPF", \
+ [FIB_PATH_LIST_ATTRIBUTE_LOCAL] = "local", \
+ [FIB_PATH_LIST_ATTRIBUTE_LOOPED] = "looped", \
+ [FIB_PATH_LIST_ATTRIBUTE_POPULAR] = "popular", \
+ [FIB_PATH_LIST_ATTRIBUTE_NO_URPF] = "no-uRPF", \
}
#define FOR_EACH_PATH_LIST_ATTRIBUTE(_item) \
extern fib_node_index_t fib_path_list_create(fib_path_list_flags_t flags,
const fib_route_path_t *paths);
-extern fib_node_index_t fib_path_list_create_special(fib_protocol_t nh_proto,
+extern fib_node_index_t fib_path_list_create_special(dpo_proto_t nh_proto,
fib_path_list_flags_t flags,
const dpo_id_t *dpo);
extern u32 fib_path_list_get_n_paths(fib_node_index_t pl_index);
+/**
+ * Flags to control how the path-list returns forwarding information
+ */
+typedef enum fib_path_list_fwd_flags_t_
+{
+ FIB_PATH_LIST_FWD_FLAG_NONE = 0,
+ FIB_PATH_LIST_FWD_FLAG_COLLAPSE = (1 << 0),
+ FIB_PATH_LIST_FWD_FLAG_STICKY = (1 << 1),
+} fib_path_list_fwd_flags_t;
+
extern void fib_path_list_contribute_forwarding(fib_node_index_t path_list_index,
fib_forward_chain_type_t type,
+ fib_path_list_fwd_flags_t flags,
dpo_id_t *dpo);
extern void fib_path_list_contribute_urpf(fib_node_index_t path_index,
index_t urpf);
fib_node_index_t **entry_indicies);
extern u32 fib_path_list_get_resolving_interface(fib_node_index_t path_list_index);
extern int fib_path_list_is_looped(fib_node_index_t path_list_index);
-extern fib_protocol_t fib_path_list_get_proto(fib_node_index_t path_list_index);
+extern int fib_path_list_is_popular(fib_node_index_t path_list_index);
+extern dpo_proto_t fib_path_list_get_proto(fib_node_index_t path_list_index);
extern u8 * fib_path_list_format(fib_node_index_t pl_index,
u8 * s);
+extern u8 * format_fib_path_list(u8 * s, va_list *args);
+
extern index_t fib_path_list_lb_map_add_or_lock(fib_node_index_t pl_index,
const fib_node_index_t *pis);
extern u32 fib_path_list_find_rpath (fib_node_index_t path_list_index,
/**
* A callback function type for walking a path-list's paths
*/
-typedef int (*fib_path_list_walk_fn_t)(fib_node_index_t pl_index,
- fib_node_index_t path_index,
- void *ctx);
+typedef fib_path_list_walk_rc_t (*fib_path_list_walk_fn_t)(
+ fib_node_index_t pl_index,
+ fib_node_index_t path_index,
+ void *ctx);
extern void fib_path_list_walk(fib_node_index_t pl_index,
fib_path_list_walk_fn_t func,
void *ctx);
+typedef fib_path_list_walk_rc_t (*fib_path_list_walk_w_ext_fn_t)(
+ fib_node_index_t pl_index,
+ fib_node_index_t path_index,
+ const struct fib_path_ext_t_ *ext_list,
+ void *ctx);
+
+extern void fib_path_list_walk_w_ext(fib_node_index_t pl_index,
+ const fib_path_ext_list_t *ext_list,
+ fib_path_list_walk_w_ext_fn_t func,
+ void *ctx);
+
extern void fib_path_list_module_init(void);
extern void fib_path_list_module_init(void);
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