/*
- * Copyright (C) 1999 Yasuhiro Ohara
+ * Copyright (C) 1999-2003 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
#ifndef OSPF6_MESSAGE_H
#define OSPF6_MESSAGE_H
-#include "ospf6_prefix.h"
-#include "ospf6_lsa.h"
+#define OSPF6_MESSAGE_BUFSIZ 4096
+
+/* Debug option */
+extern unsigned char conf_debug_ospf6_message[];
+#define OSPF6_DEBUG_MESSAGE_SEND 0x01
+#define OSPF6_DEBUG_MESSAGE_RECV 0x02
+#define OSPF6_DEBUG_MESSAGE_ON(type, level) \
+ (conf_debug_ospf6_message[type] |= (level))
+#define OSPF6_DEBUG_MESSAGE_OFF(type, level) \
+ (conf_debug_ospf6_message[type] &= ~(level))
+#define IS_OSPF6_DEBUG_MESSAGE(t, e) \
+ (conf_debug_ospf6_message[t] & OSPF6_DEBUG_MESSAGE_ ## e)
/* Type */
-#define OSPF6_MESSAGE_TYPE_NONE 0x0
#define OSPF6_MESSAGE_TYPE_UNKNOWN 0x0
#define OSPF6_MESSAGE_TYPE_HELLO 0x1 /* Discover/maintain neighbors */
#define OSPF6_MESSAGE_TYPE_DBDESC 0x2 /* Summarize database contents */
-#define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download */
+#define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download request */
#define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4 /* Database update */
#define OSPF6_MESSAGE_TYPE_LSACK 0x5 /* Flooding acknowledgment */
-#define OSPF6_MESSAGE_TYPE_MAX 0x6
+#define OSPF6_MESSAGE_TYPE_ALL 0x6 /* For debug option */
/* OSPFv3 packet header */
+#define OSPF6_HEADER_SIZE 16U
struct ospf6_header
{
u_char version;
u_char type;
- u_int16_t len;
+ u_int16_t length;
u_int32_t router_id;
u_int32_t area_id;
- u_int16_t cksum;
+ u_int16_t checksum;
u_char instance_id;
u_char reserved;
};
+#define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
+
/* Hello */
-#define MAXLISTEDNBR 64
+#define OSPF6_HELLO_MIN_SIZE 20U
struct ospf6_hello
{
- u_int32_t interface_id;
- u_char rtr_pri;
+ ifindex_t interface_id;
+ u_char priority;
u_char options[3];
u_int16_t hello_interval;
- u_int16_t router_dead_interval;
- u_int32_t dr;
- u_int32_t bdr;
+ u_int16_t dead_interval;
+ u_int32_t drouter;
+ u_int32_t bdrouter;
+ /* Followed by Router-IDs */
};
/* Database Description */
+#define OSPF6_DB_DESC_MIN_SIZE 12U
struct ospf6_dbdesc
{
- u_char mbz1;
+ u_char reserved1;
u_char options[3];
u_int16_t ifmtu;
- u_char mbz2;
+ u_char reserved2;
u_char bits;
u_int32_t seqnum;
- /* Followed by LSAs */
+ /* Followed by LSA Headers */
};
-#define DEFAULT_INTERFACE_MTU 1500
-
-#define DD_IS_MSBIT_SET(x) ((x) & (1 << 0))
-#define DD_MSBIT_SET(x) ((x) |= (1 << 0))
-#define DD_MSBIT_CLEAR(x) ((x) &= ~(1 << 0))
-#define DD_IS_MBIT_SET(x) ((x) & (1 << 1))
-#define DD_MBIT_SET(x) ((x) |= (1 << 1))
-#define DD_MBIT_CLEAR(x) ((x) &= ~(1 << 1))
-#define DD_IS_IBIT_SET(x) ((x) & (1 << 2))
-#define DD_IBIT_SET(x) ((x) |= (1 << 2))
-#define DD_IBIT_CLEAR(x) ((x) &= ~(1 << 2))
-
-#define DDBIT_IS_MASTER(x) ((x) & (1 << 0))
-#define DDBIT_IS_SLAVE(x) (!((x) & (1 << 0)))
-#define DDBIT_SET_MASTER(x) ((x) |= (1 << 0))
-#define DDBIT_SET_SLAVE(x) ((x) |= ~(1 << 0))
-#define DDBIT_IS_MORE(x) ((x) & (1 << 1))
-#define DDBIT_SET_MORE(x) ((x) |= (1 << 1))
-#define DDBIT_CLR_MORE(x) ((x) |= ~(1 << 1))
-#define DDBIT_IS_INITIAL(x) ((x) & (1 << 2))
-#define DDBIT_SET_INITIAL(x) ((x) |= (1 << 2))
-#define DDBIT_CLR_INITIAL(x) ((x) |= ~(1 << 2))
-
-#define OSPF6_DBDESC_BIT_MASTER 0x01
-#define OSPF6_DBDESC_BIT_MORE 0x02
-#define OSPF6_DBDESC_BIT_INITIAL 0x04
+
+#define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
+#define OSPF6_DBDESC_MBIT (0x02) /* more bit */
+#define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
/* Link State Request */
-struct ospf6_lsreq
+#define OSPF6_LS_REQ_MIN_SIZE 0U
+/* It is just a sequence of entries below */
+#define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U
+struct ospf6_lsreq_entry
{
- u_int16_t mbz; /* Must Be Zero */
+ u_int16_t reserved; /* Must Be Zero */
u_int16_t type; /* LS type */
u_int32_t id; /* Link State ID */
u_int32_t adv_router; /* Advertising Router */
};
/* Link State Update */
+#define OSPF6_LS_UPD_MIN_SIZE 4U
struct ospf6_lsupdate
{
- u_int32_t lsupdate_num;
+ u_int32_t lsa_number;
+ /* Followed by LSAs */
};
/* Link State Acknowledgement */
- /* no need for structure,
- it will include only LSA header in the packet body.*/
-
-/* definition for ospf6_message.c */
-#define OSPF6_MESSAGE_RECEIVE_BUFSIZE 5120
-#define OSPF6_MESSAGE_IOVEC_END 1024
-
-#define IS_OVER_MTU(message,mtu,addsize) \
- (iov_totallen(message)+(addsize) >= \
- (mtu)-sizeof(struct ospf6_header))
-
-#define OSPF6_MESSAGE_IOVEC_SIZE 1024
-#define OSPF6_MESSAGE_CLEAR(msg) \
-do { \
- int x; \
- for (x = 0; x < OSPF6_MESSAGE_IOVEC_SIZE; x++) \
- { \
- (msg)[x].iov_base = NULL; \
- (msg)[x].iov_len = 0; \
- } \
-} while (0)
-
-#define OSPF6_MESSAGE_ATTACH(msg,buf,bufsize) \
-do { \
- int x; \
- for (x = 0; x < OSPF6_MESSAGE_IOVEC_SIZE; x++) \
- if ((msg)[x].iov_base == (void *)NULL && (msg)[x].iov_len == 0) \
- break; \
- if (x < OSPF6_MESSAGE_IOVEC_SIZE - 1) \
- { \
- (msg)[x].iov_base = (void *)(buf); \
- (msg)[x].iov_len = (bufsize); \
- } \
-} while (0)
-
-#define OSPF6_MESSAGE_JOIN(msg,join) \
-do { \
- int x,y; \
- for (x = 0; x < OSPF6_MESSAGE_IOVEC_SIZE; x++) \
- if ((msg)[x].iov_base == NULL && (msg)[x].iov_len == 0) \
- break; \
- for (y = x; y < OSPF6_MESSAGE_IOVEC_SIZE; y++) \
- { \
- (msg)[y].iov_base = (join)[y - x].iov_base; \
- (msg)[y].iov_len = (join)[y - x].iov_len; \
- } \
-} while (0)
-
-
-/* Statistics */
-struct ospf6_message_stat
-{
- u_int32_t send;
- u_int32_t send_octet;
- u_int32_t recv;
- u_int32_t recv_octet;
-};
-
-/* Type string */
-extern char *ospf6_message_type_string[];
-
-/* Function Prototypes */
-int ospf6_receive (struct thread *);
-
-int ospf6_send_hello (struct thread *);
-int ospf6_send_dbdesc_rxmt (struct thread *);
-int ospf6_send_dbdesc (struct thread *);
-int ospf6_send_lsreq (struct thread *);
-
-struct ospf6_neighbor;
-struct ospf6_interface;
-int
-ospf6_send_lsupdate_rxmt (struct thread *);
-void
-ospf6_send_lsupdate_direct (struct ospf6_lsa *, struct ospf6_neighbor *);
-void
-ospf6_send_lsupdate_flood (struct ospf6_lsa *, struct ospf6_interface *);
-
-int ospf6_send_lsack_delayed (struct thread *);
-int ospf6_send_lsack_direct (struct thread *);
-
-void ospf6_message_send (u_char, struct iovec *, struct in6_addr *, u_int);
+#define OSPF6_LS_ACK_MIN_SIZE 0U
+/* It is just a sequence of LSA Headers */
+
+/* Function definition */
+extern void ospf6_hello_print (struct ospf6_header *);
+extern void ospf6_dbdesc_print (struct ospf6_header *);
+extern void ospf6_lsreq_print (struct ospf6_header *);
+extern void ospf6_lsupdate_print (struct ospf6_header *);
+extern void ospf6_lsack_print (struct ospf6_header *);
+
+extern int ospf6_iobuf_size (unsigned int size);
+extern void ospf6_message_terminate (void);
+extern int ospf6_receive (struct thread *thread);
+
+extern int ospf6_hello_send (struct thread *thread);
+extern int ospf6_dbdesc_send (struct thread *thread);
+extern int ospf6_dbdesc_send_newone (struct thread *thread);
+extern int ospf6_lsreq_send (struct thread *thread);
+extern int ospf6_lsupdate_send_interface (struct thread *thread);
+extern int ospf6_lsupdate_send_neighbor (struct thread *thread);
+extern int ospf6_lsack_send_interface (struct thread *thread);
+extern int ospf6_lsack_send_neighbor (struct thread *thread);
+
+extern int config_write_ospf6_debug_message (struct vty *);
+extern void install_element_ospf6_debug_message (void);
#endif /* OSPF6_MESSAGE_H */
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