From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:53:30 +0200 Subject: Adding upstream version 8.4.4. Signed-off-by: Daniel Baumann --- eigrpd/eigrp_packet.h | 174 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 eigrpd/eigrp_packet.h (limited to 'eigrpd/eigrp_packet.h') 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 */ -- cgit v1.2.3