Merge pull request #5653 from slankdev/slankdev-bgpd-support-prefix-sid-srv6-l3vpn

[mirror_frr.git] / ospf6d / ospf6_proto.h

diff --git a/ospf6d/ospf6_proto.h b/ospf6d/ospf6_proto.h
index 9a95444a5f13611d996435a5b67ab35fabfc77dc..c9e7b549db8b4443cb99f86fb33c87b41ff11f44 100644 (file)
--- a/ospf6d/ospf6_proto.h
+++ b/ospf6d/ospf6_proto.h
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 1999 Yasuhiro Ohara
+ * Common protocol data and data structures.
+ * Copyright (C) 2003 Yasuhiro Ohara
  *
  * This file is part of GNU Zebra.
  *
@@ -13,46 +14,27 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING.  If not, write to the 
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
- * Boston, MA 02111-1307, USA.  
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef OSPF6_PROTO_H
 #define OSPF6_PROTO_H
 
 /* OSPF protocol version */
-#define OSPF6_VERSION          3
-
-/* OSPF protocol number. */
-#ifndef IPPROTO_OSPFIGP
-#define IPPROTO_OSPFIGP         89
-#endif
+#define OSPFV3_VERSION           3
 
 /* TOS field normaly null */
-#define OSPF6_TOS_VALUE               0x0
-
-/* Architectural Constants */
-#define OSPF6_LS_REFRESH_TIME         1800       /* 30 min */
-#define OSPF6_MIN_LS_INTERVAL         5
-#define OSPF6_MIN_LS_ARRIVAL          1
-#define MAXAGE                  3600       /* 1 hour */
-#define CHECK_AGE               300        /* 5 min */
-#define MAX_AGE_DIFF            900        /* 15 min */
-#define LS_INFINITY             0xffffff   /* 24-bit binary value */
-#define INITIAL_SEQUENCE_NUMBER 0x80000001 /* signed 32-bit integer */
-#define MAX_SEQUENCE_NUMBER     0x7fffffff /* signed 32-bit integer */
-
-#define MAXOSPFMESSAGELEN         4096
+#define DEFAULT_TOS_VALUE      0x0
 
 #define ALLSPFROUTERS6 "ff02::5"
 #define ALLDROUTERS6   "ff02::6"
 
-/* Configurable Constants */
-
-#define DEFAULT_HELLO_INTERVAL    10
-#define DEFAULT_ROUTER_DEAD_TIMER 40
+#define OSPF6_ROUTER_BIT_W     (1 << 3)
+#define OSPF6_ROUTER_BIT_V     (1 << 2)
+#define OSPF6_ROUTER_BIT_E     (1 << 1)
+#define OSPF6_ROUTER_BIT_B     (1 << 0)
 
 /* OSPF options */
 /* present in HELLO, DD, LSA */
@@ -61,15 +43,53 @@
 #define OSPF6_OPT_CLEAR(x,opt) ((x)[2] &= ~(opt))
 #define OSPF6_OPT_CLEAR_ALL(x) ((x)[0] = (x)[1] = (x)[2] = 0)
 
-#define OSPF6_OPT_V6 (1 << 0)   /* IPv6 forwarding Capability */
-#define OSPF6_OPT_E  (1 << 1)   /* AS External Capability */
-#define OSPF6_OPT_MC (1 << 2)   /* Multicasting Capability */
-#define OSPF6_OPT_N  (1 << 3)   /* Handling Type-7 LSA Capability */
-#define OSPF6_OPT_R  (1 << 4)   /* Forwarding Capability (Any Protocol) */
 #define OSPF6_OPT_DC (1 << 5)   /* Demand Circuit handling Capability */
+#define OSPF6_OPT_R  (1 << 4)   /* Forwarding Capability (Any Protocol) */
+#define OSPF6_OPT_N  (1 << 3)   /* Handling Type-7 LSA Capability */
+#define OSPF6_OPT_MC (1 << 2)   /* Multicasting Capability */
+#define OSPF6_OPT_E  (1 << 1)   /* AS External Capability */
+#define OSPF6_OPT_V6 (1 << 0)   /* IPv6 forwarding Capability */
 
-char *
-ospf6_options_string (u_char opt_capability[3], char *buffer, int size);
+/* OSPF6 Prefix */
+#define OSPF6_PREFIX_MIN_SIZE                  4U /* .length == 0 */
+struct ospf6_prefix {
+       uint8_t prefix_length;
+       uint8_t prefix_options;
+       union {
+               uint16_t _prefix_metric;
+               uint16_t _prefix_referenced_lstype;
+       } u;
+#define prefix_metric        u._prefix_metric
+#define prefix_refer_lstype  u._prefix_referenced_lstype
+       /* followed by one address_prefix */
+       struct in6_addr addr[];
+};
 
-#endif /* OSPF6_PROTO_H */
+#define OSPF6_PREFIX_OPTION_NU (1 << 0)  /* No Unicast */
+#define OSPF6_PREFIX_OPTION_LA (1 << 1)  /* Local Address */
+#define OSPF6_PREFIX_OPTION_MC (1 << 2)  /* MultiCast */
+#define OSPF6_PREFIX_OPTION_P  (1 << 3)  /* Propagate (NSSA) */
+
+/* caddr_t OSPF6_PREFIX_BODY (struct ospf6_prefix *); */
+#define OSPF6_PREFIX_BODY(x) ((caddr_t)(x) + sizeof (struct ospf6_prefix))
 
+/* size_t OSPF6_PREFIX_SPACE (int prefixlength); */
+#define OSPF6_PREFIX_SPACE(x) ((((x) + 31) / 32) * 4)
+
+/* size_t OSPF6_PREFIX_SIZE (struct ospf6_prefix *); */
+#define OSPF6_PREFIX_SIZE(x)                                                   \
+       (OSPF6_PREFIX_SPACE((x)->prefix_length) + sizeof(struct ospf6_prefix))
+
+/* struct ospf6_prefix *OSPF6_PREFIX_NEXT (struct ospf6_prefix *); */
+#define OSPF6_PREFIX_NEXT(x)                                                   \
+       ((struct ospf6_prefix *)((caddr_t)(x) + OSPF6_PREFIX_SIZE(x)))
+
+extern void ospf6_prefix_in6_addr(struct in6_addr *in6, const void *prefix_buf,
+                                 const struct ospf6_prefix *p);
+extern void ospf6_prefix_apply_mask(struct ospf6_prefix *op);
+extern void ospf6_prefix_options_printbuf(uint8_t prefix_options, char *buf,
+                                         int size);
+extern void ospf6_capability_printbuf(char capability, char *buf, int size);
+extern void ospf6_options_printbuf(uint8_t *options, char *buf, int size);
+
+#endif /* OSPF6_PROTO_H */