eigrp: Initial Commit

Please Note, I will be redoing this commit message with
more information.

Additionally I will rework the lib/* changes into their
own commits.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/eigrpd/eigrp_packet.h b/eigrpd/eigrp_packet.h
new file mode 100644
index 0000000000..b8b2815168
--- /dev/null
+++ b/eigrpd/eigrp_packet.h
@@ -0,0 +1,143 @@
+/*
+ * 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 GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef _ZEBRA_EIGRP_PACKET_H
+#define _ZEBRA_EIGRP_PACKET_H
+
+/*Prototypes*/
+extern int eigrp_read (struct thread *);
+extern int eigrp_write (struct thread *);
+
+extern struct eigrp_packet *eigrp_packet_new (size_t);
+extern struct eigrp_packet *eigrp_packet_duplicate (struct eigrp_packet *, struct eigrp_neighbor *);
+extern void eigrp_packet_free (struct eigrp_packet *);
+extern void eigrp_packet_delete (struct eigrp_interface *);
+extern void eigrp_packet_header_init (int, struct eigrp_interface *, struct stream *,
+				     u_int32_t, u_int32_t, u_int32_t);
+extern void eigrp_packet_checksum (struct eigrp_interface *, struct stream *, u_int16_t);
+
+extern struct eigrp_fifo *eigrp_fifo_new (void);
+extern struct eigrp_packet *eigrp_fifo_head (struct eigrp_fifo *);
+extern struct eigrp_packet *eigrp_fifo_tail (struct eigrp_fifo *);
+extern struct eigrp_packet *eigrp_fifo_pop (struct eigrp_fifo *);
+extern struct eigrp_packet *eigrp_fifo_pop_tail (struct eigrp_fifo *);
+extern void eigrp_fifo_push_head (struct eigrp_fifo *, struct eigrp_packet *);
+extern void eigrp_fifo_free (struct eigrp_fifo *);
+extern void eigrp_fifo_reset (struct eigrp_fifo *);
+
+extern void eigrp_send_packet_reliably (struct eigrp_neighbor *);
+
+extern struct TLV_IPv4_Internal_type *eigrp_read_ipv4_tlv (struct stream *);
+extern u_int16_t eigrp_add_internalTLV_to_stream (struct stream *, struct eigrp_prefix_entry *);
+extern u_int16_t eigrp_add_authTLV_MD5_to_stream (struct stream *, struct eigrp_interface *);
+extern u_int16_t eigrp_add_authTLV_SHA256_to_stream (struct stream *, struct eigrp_interface *);
+
+extern int eigrp_unack_packet_retrans (struct thread *);
+extern int eigrp_unack_multicast_packet_retrans (struct thread *);
+
+/*
+ * untill there is reason to have their own header, these externs are found in
+ * eigrp_hello.c
+ */
+extern void eigrp_hello_send (struct eigrp_interface *, u_char, struct in_addr *);
+extern void eigrp_hello_send_ack (struct eigrp_neighbor *);
+extern void eigrp_hello_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+				struct stream *, struct eigrp_interface *, int);
+extern int  eigrp_hello_timer (struct thread *);
+
+/*
+ * These externs are found in eigrp_update.c
+ */
+extern void eigrp_update_send (struct eigrp_interface *);
+extern void eigrp_update_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+                                struct stream *, struct eigrp_interface *, int);
+extern void eigrp_update_send_all (struct eigrp *, struct eigrp_interface *);
+extern void eigrp_update_send_init (struct eigrp_neighbor *);
+extern void eigrp_update_send_EOT (struct eigrp_neighbor *);
+extern int eigrp_update_send_GR_thread(struct thread *);
+extern void eigrp_update_send_GR (struct eigrp_neighbor *, enum GR_type, struct vty *);
+extern void eigrp_update_send_interface_GR (struct eigrp_interface *, enum GR_type, struct vty *);
+extern void eigrp_update_send_process_GR (struct eigrp *, enum GR_type, struct vty *);
+
+/*
+ * These externs are found in eigrp_query.c
+ */
+
+extern void eigrp_send_query (struct eigrp_interface *);
+extern void eigrp_query_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+                                 struct stream *, struct eigrp_interface *, int);
+extern u_int32_t eigrp_query_send_all (struct eigrp *);
+
+/*
+ * These externs are found in eigrp_reply.c
+ */
+extern void eigrp_send_reply (struct eigrp_neighbor *, struct eigrp_prefix_entry *);
+extern void eigrp_reply_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+                                 struct stream *, struct eigrp_interface *, int);
+
+/*
+ * These externs are found in eigrp_siaquery.c
+ */
+extern void eigrp_send_siaquery (struct eigrp_neighbor *, struct eigrp_prefix_entry *);
+extern void eigrp_siaquery_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+                     struct stream *, struct eigrp_interface *, int);
+
+/*
+ * These externs are found in eigrp_siareply.c
+ */
+extern void eigrp_send_siareply (struct eigrp_neighbor *, struct eigrp_prefix_entry *);
+extern void eigrp_siareply_receive (struct eigrp *, struct ip *, struct eigrp_header *,
+                     struct stream *, struct eigrp_interface *, int);
+
+extern struct TLV_MD5_Authentication_Type *eigrp_authTLV_MD5_new (void);
+extern void eigrp_authTLV_MD5_free (struct TLV_MD5_Authentication_Type *);
+extern struct TLV_SHA256_Authentication_Type *eigrp_authTLV_SHA256_new (void);
+extern void eigrp_authTLV_SHA256_free (struct TLV_SHA256_Authentication_Type *);
+
+extern int eigrp_make_md5_digest (struct eigrp_interface *, struct stream *,
+                                  u_char);
+extern int eigrp_check_md5_digest (struct stream *, struct TLV_MD5_Authentication_Type *,
+                            struct eigrp_neighbor *, u_char);
+extern int eigrp_make_sha256_digest (struct eigrp_interface *, struct stream *, u_char);
+extern int eigrp_check_sha256_digest (struct stream *, struct TLV_SHA256_Authentication_Type *,
+                            struct eigrp_neighbor *, u_char );
+
+
+extern struct TLV_IPv4_Internal_type *eigrp_IPv4_InternalTLV_new (void);
+extern void eigrp_IPv4_InternalTLV_free (struct TLV_IPv4_Internal_type *);
+
+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 */