diff options
Diffstat (limited to 'ospf6d/ospf6_proto.h')
| -rw-r--r-- | ospf6d/ospf6_proto.h | 92 |
1 files changed, 69 insertions, 23 deletions
diff --git a/ospf6d/ospf6_proto.h b/ospf6d/ospf6_proto.h index 9a95444a..447513a7 100644 --- a/ospf6d/ospf6_proto.h +++ b/ospf6d/ospf6_proto.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1999 Yasuhiro Ohara + * Copyright (C) 2003 Yasuhiro Ohara * * This file is part of GNU Zebra. * @@ -23,7 +23,7 @@ #define OSPF6_PROTO_H /* OSPF protocol version */ -#define OSPF6_VERSION 3 +#define OSPFV3_VERSION 3 /* OSPF protocol number. */ #ifndef IPPROTO_OSPFIGP @@ -31,28 +31,31 @@ #endif /* TOS field normaly null */ -#define OSPF6_TOS_VALUE 0x0 +#define DEFAULT_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 LS_REFRESH_TIME 1800 /* 30 min */ +#define MIN_LS_INTERVAL 5 +#define 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 ALLSPFROUTERS6 "ff02::5" #define ALLDROUTERS6 "ff02::6" /* Configurable Constants */ -#define DEFAULT_HELLO_INTERVAL 10 -#define DEFAULT_ROUTER_DEAD_TIMER 40 +#define DEFAULT_HELLO_INTERVAL 10 +#define DEFAULT_ROUTER_DEAD_INTERVAL 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 +64,58 @@ #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 */ + +/* OSPF6 Prefix */ +struct ospf6_prefix +{ + u_int8_t prefix_length; + u_int8_t prefix_options; + union { + u_int16_t _prefix_metric; + u_int16_t _prefix_referenced_lstype; + } u; +#define prefix_metric u._prefix_metric +#define prefix_refer_lstype u._prefix_referenced_lstype + /* followed by one address_prefix */ +}; + +#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))) + +#define ospf6_prefix_in6_addr(in6, op) \ +do { \ + memset (in6, 0, sizeof (struct in6_addr)); \ + memcpy (in6, (caddr_t) (op) + sizeof (struct ospf6_prefix), \ + OSPF6_PREFIX_SPACE ((op)->prefix_length)); \ +} while (0) -char * -ospf6_options_string (u_char opt_capability[3], char *buffer, int size); +void ospf6_prefix_apply_mask (struct ospf6_prefix *op); +void ospf6_prefix_options_printbuf (u_int8_t prefix_options, + char *buf, int size); +void ospf6_capability_printbuf (char capability, char *buf, int size); +void ospf6_options_printbuf (char *options, char *buf, int size); #endif /* OSPF6_PROTO_H */ |