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-rw-r--r--src/vnet/bier/bier_fmask_db.h54
1 files changed, 38 insertions, 16 deletions
diff --git a/src/vnet/bier/bier_fmask_db.h b/src/vnet/bier/bier_fmask_db.h
index 6ba40f3a839..a7f29c2b6a6 100644
--- a/src/vnet/bier/bier_fmask_db.h
+++ b/src/vnet/bier/bier_fmask_db.h
@@ -21,18 +21,27 @@
#include <vnet/ip/ip.h>
-#include <vnet/bier/bier_types.h>
+#include <vnet/fib/fib_types.h>
/**
- * Foward declarations
+ * BIER header encapulsation types
*/
-struct bier_fmask_t_;
-
typedef enum bier_hdr_type_t_ {
- BIER_HDR_IN_IP6,
+ /**
+ * BIER Header in MPLS networks
+ */
BIER_HDR_O_MPLS,
+
+ /**
+ * BIER header in non-MPLS networks
+ */
+ BIER_HDR_O_OTHER,
} bier_hdr_type_t;
+/**
+ * A key/ID for a BIER forwarding Mas (FMask).
+ * This is a simplified version of a fib_route_path_t.
+ */
typedef struct bier_fmask_id_t_ {
/**
* Type of BIER header this fmask supports
@@ -40,22 +49,35 @@ typedef struct bier_fmask_id_t_ {
bier_hdr_type_t bfmi_hdr_type;
/**
- * next-hop of the peer
+ * The BIER table this fmask is in
+ */
+ index_t bfmi_bti;
+
+ union {
+ /**
+ * next-hop of the peer
+ */
+ ip46_address_t bfmi_nh;
+
+ /**
+ * ID of the next-hop object, e.g. a UDP-encap
+ */
+ u32 bfmi_id;
+ };
+
+ /**
+ * Software interface index
*/
- ip46_address_t bfmi_nh;
-} bier_fmask_id_t;
+ u32 bfmi_sw_if_index;
+} __attribute__((packed)) bier_fmask_id_t;
-extern u32
+extern index_t
bier_fmask_db_find_or_create_and_lock(index_t bti,
- const bier_fmask_id_t *fmid,
const fib_route_path_t *rpath);
+extern index_t bier_fmask_db_find (index_t bti,
+ const fib_route_path_t *rpath);
-extern u32
-bier_fmask_db_find(index_t bti,
- const bier_fmask_id_t *fmid);
+extern void bier_fmask_db_remove (const bier_fmask_id_t *fmid);
-extern void
-bier_fmask_db_remove(index_t bti,
- const bier_fmask_id_t *fmid);
#endif