/*
* This is an implementation of RFC4970 Router Information
* with support of RFC5088 PCE Capabilites announcement
+ * and support of draft-ietf-ospf-segment-routing-extensions-18
+ * for Segment Routing Capabilities announcement
+ *
*
* Module name: Router Information
- * Version: 0.99.22
- * Created: 2012-02-01 by Olivier Dugeon
- * Copyright (C) 2012 Orange Labs http://www.orange.com/
+ * Author: Olivier Dugeon <olivier.dugeon@orange.com>
+ * Copyright (C) 2012 - 2017 Orange Labs http://www.orange.com/
*
* This file is part of GNU Zebra.
*
*
* 24 16 8 0
* +--------+--------+--------+--------+
- * | 1 | MBZ |........|........|
+ * | 4 | MBZ |........|........|
* +--------+--------+--------+--------+
* |<-Type->|<Resv'd>|<-- Instance --->|
*
* +--------+--------+--------+--------+ |
* | LS checksum | Length | V
* +--------+--------+--------+--------+ ---
- * | Type | Length | A
- * +--------+--------+--------+--------+ | TLV part for Router Information;
- * Values might be
+ * | Type | Length | A TLV part for Router Information;
+ * +--------+--------+--------+--------+ | Values might be
* | Values ... | V structured as a set of sub-TLVs.
* +--------+--------+--------+--------+ ---
*/
* Following section defines TLV body parts.
*/
-/* Up to now, 8 code point have been assigned to Router Information */
+/* Up to now, 11 code points have been assigned to Router Information */
/* Only type 1 Router Capabilities and 6 PCE are supported with this code */
-#define RI_IANA_MAX_TYPE 8
+#define RI_IANA_MAX_TYPE 11
/* RFC4970: Router Information Capabilities TLV */ /* Mandatory */
#define RI_TLV_CAPABILITIES 1
u_int32_t value;
};
-#define RI_GRACE_RESTART 0x01
-#define RI_GRACE_HELPER 0x02
-#define RI_STUB_SUPPORT 0x04
-#define RI_TE_SUPPORT 0x08
-#define RI_P2P_OVER_LAN 0x10
-#define RI_TE_EXPERIMENTAL 0x20
+/* Capabilities bits are left align */
+#define RI_GRACE_RESTART 0x80000000
+#define RI_GRACE_HELPER 0x40000000
+#define RI_STUB_SUPPORT 0x20000000
+#define RI_TE_SUPPORT 0x10000000
+#define RI_P2P_OVER_LAN 0x08000000
+#define RI_TE_EXPERIMENTAL 0x04000000
#define RI_TLV_LENGTH 4
#define RI_PCE_SUBTLV_CAP_FLAG 5
#define PCE_CAP_GMPLS_LINK 0x0001
-#define PCE_CAP_BIDIRECTIONAL 0x0002
-#define PCE_CAP_DIVERSE_PATH 0x0004
-#define PCE_CAP_LOAD_BALANCE 0x0008
-#define PCE_CAP_SYNCHRONIZED 0x0010
+#define PCE_CAP_BIDIRECTIONAL 0x0002
+#define PCE_CAP_DIVERSE_PATH 0x0004
+#define PCE_CAP_LOAD_BALANCE 0x0008
+#define PCE_CAP_SYNCHRONIZED 0x0010
#define PCE_CAP_OBJECTIVES 0x0020
#define PCE_CAP_ADDITIVE 0x0040
-#define PCE_CAP_PRIORIZATION 0x0080
-#define PCE_CAP_MULTIPLE_REQ 0x0100
+#define PCE_CAP_PRIORIZATION 0x0080
+#define PCE_CAP_MULTIPLE_REQ 0x0100
struct ri_pce_subtlv_cap_flag {
struct tlv_header header; /* Type = 5; Length = n x 4 bytes. */
u_int32_t value;
};
+/* Structure to share flooding scope info for Segment Routing */
+struct scope_info {
+ u_int8_t scope;
+ struct in_addr area_id;
+};
+
/* Prototypes. */
extern int ospf_router_info_init(void);
extern void ospf_router_info_term(void);
-
+extern int ospf_router_info_enable(void);
+extern void ospf_router_info_update_sr(bool, struct sr_srgb, u_int8_t);
+extern struct scope_info ospf_router_info_get_flooding_scope(void);
#endif /* _ZEBRA_OSPF_ROUTER_INFO_H */