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cc9f21da22
The int return value is never used. Modify the code base to just return a void instead. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
191 lines
6.3 KiB
C
191 lines
6.3 KiB
C
/*
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* Copyright (C) 1999-2003 Yasuhiro Ohara
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef OSPF6_MESSAGE_H
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#define OSPF6_MESSAGE_H
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#define OSPF6_MESSAGE_BUFSIZ 4096
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/* Debug option */
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extern unsigned char conf_debug_ospf6_message[];
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#define OSPF6_ACTION_SEND 0x01
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#define OSPF6_ACTION_RECV 0x02
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#define OSPF6_DEBUG_MESSAGE_SEND 0x01
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#define OSPF6_DEBUG_MESSAGE_RECV 0x02
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#define OSPF6_DEBUG_MESSAGE_SEND_HDR 0x04
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#define OSPF6_DEBUG_MESSAGE_RECV_HDR 0x08
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#define OSPF6_DEBUG_MESSAGE_SEND_BOTH \
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OSPF6_DEBUG_MESSAGE_SEND | OSPF6_DEBUG_MESSAGE_SEND_HDR
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#define OSPF6_DEBUG_MESSAGE_RECV_BOTH \
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OSPF6_DEBUG_MESSAGE_RECV | OSPF6_DEBUG_MESSAGE_RECV_HDR
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#define OSPF6_DEBUG_MESSAGE_ON(type, level) \
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(conf_debug_ospf6_message[type] |= (level))
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#define OSPF6_DEBUG_MESSAGE_OFF(type, level) \
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(conf_debug_ospf6_message[type] &= ~(level))
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#define IS_OSPF6_DEBUG_MESSAGE(t, e) \
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(((OSPF6_DEBUG_MESSAGE_##e) == OSPF6_DEBUG_MESSAGE_RECV_HDR) \
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? (conf_debug_ospf6_message[t] \
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& (OSPF6_DEBUG_MESSAGE_RECV_BOTH)) \
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: (((OSPF6_DEBUG_MESSAGE_##e) == OSPF6_DEBUG_MESSAGE_SEND_HDR) \
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? (conf_debug_ospf6_message[t] \
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& (OSPF6_DEBUG_MESSAGE_SEND_BOTH)) \
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: (conf_debug_ospf6_message[t] \
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& (OSPF6_DEBUG_MESSAGE_##e))))
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#define IS_OSPF6_DEBUG_MESSAGE_ENABLED(type, e) \
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(conf_debug_ospf6_message[type] & (OSPF6_DEBUG_MESSAGE_##e))
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/* Type */
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#define OSPF6_MESSAGE_TYPE_UNKNOWN 0x0
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#define OSPF6_MESSAGE_TYPE_HELLO 0x1 /* Discover/maintain neighbors */
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#define OSPF6_MESSAGE_TYPE_DBDESC 0x2 /* Summarize database contents */
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#define OSPF6_MESSAGE_TYPE_LSREQ 0x3 /* Database download request */
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#define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4 /* Database update */
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#define OSPF6_MESSAGE_TYPE_LSACK 0x5 /* Flooding acknowledgment */
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#define OSPF6_MESSAGE_TYPE_ALL 0x6 /* For debug option */
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#define OSPF6_MESSAGE_TYPE_MAX 0x6 /* same as OSPF6_MESSAGE_TYPE_ALL */
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struct ospf6_packet {
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struct ospf6_packet *next;
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/* Pointer to data stream. */
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struct stream *s;
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/* IP destination address. */
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struct in6_addr dst;
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/* OSPF6 packet length. */
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uint16_t length;
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};
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/* OSPF packet queue structure. */
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struct ospf6_fifo {
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unsigned long count;
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struct ospf6_packet *head;
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struct ospf6_packet *tail;
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};
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/* OSPFv3 packet header */
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#define OSPF6_HEADER_SIZE 16U
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struct ospf6_header {
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uint8_t version;
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uint8_t type;
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uint16_t length;
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in_addr_t router_id;
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in_addr_t area_id;
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uint16_t checksum;
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uint8_t instance_id;
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uint8_t reserved;
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};
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#define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
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/* Hello */
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#define OSPF6_HELLO_MIN_SIZE 20U
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struct ospf6_hello {
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ifindex_t interface_id;
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uint8_t priority;
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uint8_t options[3];
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uint16_t hello_interval;
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uint16_t dead_interval;
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in_addr_t drouter;
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in_addr_t bdrouter;
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/* Followed by Router-IDs */
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};
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/* Database Description */
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#define OSPF6_DB_DESC_MIN_SIZE 12U
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struct ospf6_dbdesc {
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uint8_t reserved1;
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uint8_t options[3];
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uint16_t ifmtu;
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uint8_t reserved2;
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uint8_t bits;
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uint32_t seqnum;
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/* Followed by LSA Headers */
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};
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#define OSPF6_DBDESC_MSBIT (0x01) /* master/slave bit */
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#define OSPF6_DBDESC_MBIT (0x02) /* more bit */
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#define OSPF6_DBDESC_IBIT (0x04) /* initial bit */
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/* Link State Request */
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#define OSPF6_LS_REQ_MIN_SIZE 0U
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/* It is just a sequence of entries below */
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#define OSPF6_LSREQ_LSDESC_FIX_SIZE 12U
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struct ospf6_lsreq_entry {
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uint16_t reserved; /* Must Be Zero */
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uint16_t type; /* LS type */
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in_addr_t id; /* Link State ID */
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in_addr_t adv_router; /* Advertising Router */
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};
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/* Link State Update */
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#define OSPF6_LS_UPD_MIN_SIZE 4U
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struct ospf6_lsupdate {
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uint32_t lsa_number;
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/* Followed by LSAs */
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};
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/* LLS is not supported, but used to derive
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* offset of Auth_trailer
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*/
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struct ospf6_lls_hdr {
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uint16_t checksum;
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uint16_t length;
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};
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/* Link State Acknowledgement */
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#define OSPF6_LS_ACK_MIN_SIZE 0U
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/* It is just a sequence of LSA Headers */
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/* Function definition */
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extern void ospf6_hello_print(struct ospf6_header *, int action);
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extern void ospf6_dbdesc_print(struct ospf6_header *, int action);
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extern void ospf6_lsreq_print(struct ospf6_header *, int action);
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extern void ospf6_lsupdate_print(struct ospf6_header *, int action);
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extern void ospf6_lsack_print(struct ospf6_header *, int action);
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extern struct ospf6_fifo *ospf6_fifo_new(void);
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extern void ospf6_fifo_flush(struct ospf6_fifo *fifo);
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extern void ospf6_fifo_free(struct ospf6_fifo *fifo);
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extern int ospf6_iobuf_size(unsigned int size);
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extern void ospf6_message_terminate(void);
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extern void ospf6_receive(struct thread *thread);
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extern void ospf6_hello_send(struct thread *thread);
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extern void ospf6_dbdesc_send(struct thread *thread);
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extern void ospf6_dbdesc_send_newone(struct thread *thread);
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extern void ospf6_lsreq_send(struct thread *thread);
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extern void ospf6_lsupdate_send_interface(struct thread *thread);
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extern void ospf6_lsupdate_send_neighbor(struct thread *thread);
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extern void ospf6_lsack_send_interface(struct thread *thread);
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extern void ospf6_lsack_send_neighbor(struct thread *thread);
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extern int config_write_ospf6_debug_message(struct vty *);
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extern void install_element_ospf6_debug_message(void);
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extern const char *ospf6_message_type(int type);
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#endif /* OSPF6_MESSAGE_H */
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