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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /eigrpd/eigrp_packet.h
parentInitial commit. (diff)
downloadfrr-upstream.tar.xz
frr-upstream.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'eigrpd/eigrp_packet.h')
-rw-r--r--eigrpd/eigrp_packet.h174
1 files changed, 174 insertions, 0 deletions
diff --git a/eigrpd/eigrp_packet.h b/eigrpd/eigrp_packet.h
new file mode 100644
index 0000000..f659176
--- /dev/null
+++ b/eigrpd/eigrp_packet.h
@@ -0,0 +1,174 @@
+/*
+ * EIGRP General Sending and Receiving of EIGRP Packets.
+ * Copyright (C) 2013-2016
+ * Authors:
+ * Donnie Savage
+ * Jan Janovic
+ * Matej Perina
+ * Peter Orsag
+ * Peter Paluch
+ * Frantisek Gazo
+ * Tomas Hvorkovy
+ * Martin Kontsek
+ * Lukas Koribsky
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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 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 _ZEBRA_EIGRP_PACKET_H
+#define _ZEBRA_EIGRP_PACKET_H
+
+/*Prototypes*/
+extern void eigrp_read(struct thread *thread);
+extern void eigrp_write(struct thread *thread);
+
+extern struct eigrp_packet *eigrp_packet_new(size_t size,
+ struct eigrp_neighbor *nbr);
+extern struct eigrp_packet *eigrp_packet_duplicate(struct eigrp_packet *old,
+ struct eigrp_neighbor *nbr);
+extern void eigrp_packet_free(struct eigrp_packet *ep);
+extern void eigrp_packet_delete(struct eigrp_interface *ei);
+extern void eigrp_packet_header_init(int type, struct eigrp *eigrp,
+ struct stream *s, uint32_t flags,
+ uint32_t sequence, uint32_t ack);
+extern void eigrp_packet_checksum(struct eigrp_interface *ei, struct stream *s,
+ uint16_t length);
+
+extern struct eigrp_fifo *eigrp_fifo_new(void);
+extern struct eigrp_packet *eigrp_fifo_next(struct eigrp_fifo *fifo);
+extern struct eigrp_packet *eigrp_fifo_pop(struct eigrp_fifo *fifo);
+extern void eigrp_fifo_push(struct eigrp_fifo *fifo, struct eigrp_packet *ep);
+extern void eigrp_fifo_free(struct eigrp_fifo *fifo);
+extern void eigrp_fifo_reset(struct eigrp_fifo *fifo);
+
+extern void eigrp_send_packet_reliably(struct eigrp_neighbor *nbr);
+
+extern struct TLV_IPv4_Internal_type *eigrp_read_ipv4_tlv(struct stream *s);
+extern uint16_t
+eigrp_add_internalTLV_to_stream(struct stream *s,
+ struct eigrp_prefix_descriptor *pe);
+extern uint16_t eigrp_add_authTLV_MD5_to_stream(struct stream *s,
+ struct eigrp_interface *ei);
+extern uint16_t eigrp_add_authTLV_SHA256_to_stream(struct stream *s,
+ struct eigrp_interface *ei);
+
+extern void eigrp_unack_packet_retrans(struct thread *thread);
+extern void eigrp_unack_multicast_packet_retrans(struct thread *thread);
+
+/*
+ * untill there is reason to have their own header, these externs are found in
+ * eigrp_hello.c
+ */
+extern void eigrp_sw_version_initialize(void);
+extern void eigrp_hello_send(struct eigrp_interface *ei, uint8_t flags,
+ struct in_addr *nbr_addr);
+extern void eigrp_hello_send_ack(struct eigrp_neighbor *nbr);
+extern void eigrp_hello_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph, struct stream *s,
+ struct eigrp_interface *ei, int size);
+extern void eigrp_hello_timer(struct thread *thread);
+
+/*
+ * These externs are found in eigrp_update.c
+ */
+extern bool eigrp_update_prefix_apply(struct eigrp *eigrp,
+ struct eigrp_interface *ei, int in,
+ struct prefix *prefix);
+extern void eigrp_update_send(struct eigrp_interface *ei);
+extern void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph, struct stream *s,
+ struct eigrp_interface *ei, int size);
+extern void eigrp_update_send_all(struct eigrp *eigrp,
+ struct eigrp_interface *exception);
+extern void eigrp_update_send_init(struct eigrp_neighbor *nbr);
+extern void eigrp_update_send_EOT(struct eigrp_neighbor *nbr);
+extern void eigrp_update_send_GR_thread(struct thread *thread);
+extern void eigrp_update_send_GR(struct eigrp_neighbor *nbr,
+ enum GR_type gr_type, struct vty *vty);
+extern void eigrp_update_send_interface_GR(struct eigrp_interface *ei,
+ enum GR_type gr_type,
+ struct vty *vty);
+extern void eigrp_update_send_process_GR(struct eigrp *eigrp,
+ enum GR_type gr_type, struct vty *vty);
+
+/*
+ * These externs are found in eigrp_query.c
+ */
+
+extern void eigrp_send_query(struct eigrp_interface *ei);
+extern void eigrp_query_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph, struct stream *s,
+ struct eigrp_interface *ei, int size);
+extern uint32_t eigrp_query_send_all(struct eigrp *eigrp);
+
+/*
+ * These externs are found in eigrp_reply.c
+ */
+extern void eigrp_send_reply(struct eigrp_neighbor *nbr,
+ struct eigrp_prefix_descriptor *pe);
+extern void eigrp_reply_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph, struct stream *s,
+ struct eigrp_interface *ei, int size);
+
+/*
+ * These externs are found in eigrp_siaquery.c
+ */
+extern void eigrp_send_siaquery(struct eigrp_neighbor *nbr,
+ struct eigrp_prefix_descriptor *pe);
+extern void eigrp_siaquery_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph,
+ struct stream *s, struct eigrp_interface *ei,
+ int size);
+
+/*
+ * These externs are found in eigrp_siareply.c
+ */
+extern void eigrp_send_siareply(struct eigrp_neighbor *nbr,
+ struct eigrp_prefix_descriptor *pe);
+extern void eigrp_siareply_receive(struct eigrp *eigrp, struct ip *iph,
+ struct eigrp_header *eigrph,
+ struct stream *s, struct eigrp_interface *ei,
+ int size);
+
+extern struct TLV_MD5_Authentication_Type *eigrp_authTLV_MD5_new(void);
+extern void eigrp_authTLV_MD5_free(struct TLV_MD5_Authentication_Type *authTLV);
+extern struct TLV_SHA256_Authentication_Type *eigrp_authTLV_SHA256_new(void);
+extern void
+eigrp_authTLV_SHA256_free(struct TLV_SHA256_Authentication_Type *authTLV);
+
+extern int eigrp_make_md5_digest(struct eigrp_interface *ei, struct stream *s,
+ uint8_t flags);
+extern int eigrp_check_md5_digest(struct stream *s,
+ struct TLV_MD5_Authentication_Type *authTLV,
+ struct eigrp_neighbor *nbr, uint8_t flags);
+extern int eigrp_make_sha256_digest(struct eigrp_interface *ei,
+ struct stream *s, uint8_t flags);
+extern int
+eigrp_check_sha256_digest(struct stream *s,
+ struct TLV_SHA256_Authentication_Type *authTLV,
+ struct eigrp_neighbor *nbr, uint8_t flags);
+
+
+extern void
+eigrp_IPv4_InternalTLV_free(struct TLV_IPv4_Internal_type *IPv4_InternalTLV);
+
+extern struct TLV_Sequence_Type *eigrp_SequenceTLV_new(void);
+
+extern const struct message eigrp_packet_type_str[];
+extern const size_t eigrp_packet_type_str_max;
+
+#endif /* _ZEBRA_EIGRP_PACKET_H */