Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 175 insertions, 0 deletions

diff --git a/ospf6d/ospf6_message.h b/ospf6d/ospf6_message.h
new file mode 100644
index 0000000..2b25b07
--- /dev/null
+++ b/ospf6d/ospf6_message.h
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 1999-2003 Yasuhiro Ohara
+ */
+
+#ifndef OSPF6_MESSAGE_H
+#define OSPF6_MESSAGE_H
+
+#define OSPF6_MESSAGE_BUFSIZ  4096
+
+/* Debug option */
+extern unsigned char conf_debug_ospf6_message[];
+
+#define OSPF6_ACTION_SEND 0x01
+#define OSPF6_ACTION_RECV 0x02
+#define OSPF6_DEBUG_MESSAGE_SEND 0x01
+#define OSPF6_DEBUG_MESSAGE_RECV 0x02
+#define OSPF6_DEBUG_MESSAGE_SEND_HDR 0x04
+#define OSPF6_DEBUG_MESSAGE_RECV_HDR 0x08
+#define OSPF6_DEBUG_MESSAGE_SEND_BOTH                                          \
+	OSPF6_DEBUG_MESSAGE_SEND | OSPF6_DEBUG_MESSAGE_SEND_HDR
+#define OSPF6_DEBUG_MESSAGE_RECV_BOTH                                          \
+	OSPF6_DEBUG_MESSAGE_RECV | OSPF6_DEBUG_MESSAGE_RECV_HDR
+
+#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)                                           \
+	(((OSPF6_DEBUG_MESSAGE_##e) == OSPF6_DEBUG_MESSAGE_RECV_HDR)           \
+		? (conf_debug_ospf6_message[t]                                 \
+		   & (OSPF6_DEBUG_MESSAGE_RECV_BOTH))                          \
+		: (((OSPF6_DEBUG_MESSAGE_##e) == OSPF6_DEBUG_MESSAGE_SEND_HDR) \
+			   ? (conf_debug_ospf6_message[t]                      \
+			      & (OSPF6_DEBUG_MESSAGE_SEND_BOTH))               \
+			   : (conf_debug_ospf6_message[t]                      \
+			      & (OSPF6_DEBUG_MESSAGE_##e))))
+
+#define IS_OSPF6_DEBUG_MESSAGE_ENABLED(type, e)                                \
+	(conf_debug_ospf6_message[type] & (OSPF6_DEBUG_MESSAGE_##e))
+
+/* Type */
+#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 request */
+#define OSPF6_MESSAGE_TYPE_LSUPDATE 0x4  /* Database update */
+#define OSPF6_MESSAGE_TYPE_LSACK    0x5  /* Flooding acknowledgment */
+#define OSPF6_MESSAGE_TYPE_ALL      0x6  /* For debug option */
+#define OSPF6_MESSAGE_TYPE_MAX 0x6       /* same as OSPF6_MESSAGE_TYPE_ALL */
+
+struct ospf6_packet {
+	struct ospf6_packet *next;
+
+	/* Pointer to data stream. */
+	struct stream *s;
+
+	/* IP destination address. */
+	struct in6_addr dst;
+
+	/* OSPF6 packet length. */
+	uint16_t length;
+};
+
+/* OSPF packet queue structure. */
+struct ospf6_fifo {
+	unsigned long count;
+
+	struct ospf6_packet *head;
+	struct ospf6_packet *tail;
+};
+
+/* OSPFv3 packet header */
+#define OSPF6_HEADER_SIZE                     16U
+struct ospf6_header {
+	uint8_t version;
+	uint8_t type;
+	uint16_t length;
+	in_addr_t router_id;
+	in_addr_t area_id;
+	uint16_t checksum;
+	uint8_t instance_id;
+	uint8_t reserved;
+};
+
+#define OSPF6_MESSAGE_END(H) ((caddr_t) (H) + ntohs ((H)->length))
+
+/* Hello */
+#define OSPF6_HELLO_MIN_SIZE                  20U
+struct ospf6_hello {
+	ifindex_t interface_id;
+	uint8_t priority;
+	uint8_t options[3];
+	uint16_t hello_interval;
+	uint16_t dead_interval;
+	in_addr_t drouter;
+	in_addr_t bdrouter;
+	/* Followed by Router-IDs */
+};
+
+/* Database Description */
+#define OSPF6_DB_DESC_MIN_SIZE                12U
+struct ospf6_dbdesc {
+	uint8_t reserved1;
+	uint8_t options[3];
+	uint16_t ifmtu;
+	uint8_t reserved2;
+	uint8_t bits;
+	uint32_t seqnum;
+	/* Followed by LSA Headers */
+};
+
+#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 */
+#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 {
+	uint16_t reserved;   /* Must Be Zero */
+	uint16_t type;       /* LS type */
+	in_addr_t id;	 /* Link State ID */
+	in_addr_t adv_router; /* Advertising Router */
+};
+
+/* Link State Update */
+#define OSPF6_LS_UPD_MIN_SIZE                  4U
+struct ospf6_lsupdate {
+	uint32_t lsa_number;
+	/* Followed by LSAs */
+};
+
+/* LLS is not supported, but used to derive
+ * offset of Auth_trailer
+ */
+struct ospf6_lls_hdr {
+	uint16_t checksum;
+	uint16_t length;
+};
+
+/* Link State Acknowledgement */
+#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 *, int action);
+extern void ospf6_dbdesc_print(struct ospf6_header *, int action);
+extern void ospf6_lsreq_print(struct ospf6_header *, int action);
+extern void ospf6_lsupdate_print(struct ospf6_header *, int action);
+extern void ospf6_lsack_print(struct ospf6_header *, int action);
+
+extern struct ospf6_fifo *ospf6_fifo_new(void);
+extern void ospf6_fifo_flush(struct ospf6_fifo *fifo);
+extern void ospf6_fifo_free(struct ospf6_fifo *fifo);
+
+extern int ospf6_iobuf_size(unsigned int size);
+extern void ospf6_message_terminate(void);
+extern void ospf6_receive(struct event *thread);
+
+extern void ospf6_hello_send(struct event *thread);
+extern void ospf6_dbdesc_send(struct event *thread);
+extern void ospf6_dbdesc_send_newone(struct event *thread);
+extern void ospf6_lsreq_send(struct event *thread);
+extern void ospf6_lsupdate_send_interface(struct event *thread);
+extern void ospf6_lsupdate_send_neighbor(struct event *thread);
+extern void ospf6_lsack_send_interface(struct event *thread);
+extern void ospf6_lsack_send_neighbor(struct event *thread);
+
+extern int config_write_ospf6_debug_message(struct vty *);
+extern void install_element_ospf6_debug_message(void);
+extern const char *ospf6_message_type(int type);
+#endif /* OSPF6_MESSAGE_H */