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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
7f57883e DS |
2 | /* |
3 | * EIGRP General Sending and Receiving of EIGRP Packets. | |
4 | * Copyright (C) 2013-2016 | |
5 | * Authors: | |
6 | * Donnie Savage | |
7 | * Jan Janovic | |
8 | * Matej Perina | |
9 | * Peter Orsag | |
10 | * Peter Paluch | |
11 | * Frantisek Gazo | |
12 | * Tomas Hvorkovy | |
13 | * Martin Kontsek | |
14 | * Lukas Koribsky | |
7f57883e DS |
15 | */ |
16 | ||
17 | #ifndef _ZEBRA_EIGRP_PACKET_H | |
18 | #define _ZEBRA_EIGRP_PACKET_H | |
19 | ||
20 | /*Prototypes*/ | |
e6685141 DS |
21 | extern void eigrp_read(struct event *thread); |
22 | extern void eigrp_write(struct event *thread); | |
d62a17ae | 23 | |
8e699447 DS |
24 | extern struct eigrp_packet *eigrp_packet_new(size_t size, |
25 | struct eigrp_neighbor *nbr); | |
26 | extern struct eigrp_packet *eigrp_packet_duplicate(struct eigrp_packet *old, | |
27 | struct eigrp_neighbor *nbr); | |
28 | extern void eigrp_packet_free(struct eigrp_packet *ep); | |
29 | extern void eigrp_packet_delete(struct eigrp_interface *ei); | |
30 | extern void eigrp_packet_header_init(int type, struct eigrp *eigrp, | |
31 | struct stream *s, uint32_t flags, | |
32 | uint32_t sequence, uint32_t ack); | |
33 | extern void eigrp_packet_checksum(struct eigrp_interface *ei, struct stream *s, | |
34 | uint16_t length); | |
d62a17ae | 35 | |
36 | extern struct eigrp_fifo *eigrp_fifo_new(void); | |
8e699447 DS |
37 | extern struct eigrp_packet *eigrp_fifo_next(struct eigrp_fifo *fifo); |
38 | extern struct eigrp_packet *eigrp_fifo_pop(struct eigrp_fifo *fifo); | |
39 | extern void eigrp_fifo_push(struct eigrp_fifo *fifo, struct eigrp_packet *ep); | |
40 | extern void eigrp_fifo_free(struct eigrp_fifo *fifo); | |
41 | extern void eigrp_fifo_reset(struct eigrp_fifo *fifo); | |
d62a17ae | 42 | |
8e699447 | 43 | extern void eigrp_send_packet_reliably(struct eigrp_neighbor *nbr); |
d62a17ae | 44 | |
8e699447 | 45 | extern struct TLV_IPv4_Internal_type *eigrp_read_ipv4_tlv(struct stream *s); |
dc4accdd DS |
46 | extern uint16_t |
47 | eigrp_add_internalTLV_to_stream(struct stream *s, | |
48 | struct eigrp_prefix_descriptor *pe); | |
8e699447 DS |
49 | extern uint16_t eigrp_add_authTLV_MD5_to_stream(struct stream *s, |
50 | struct eigrp_interface *ei); | |
51 | extern uint16_t eigrp_add_authTLV_SHA256_to_stream(struct stream *s, | |
52 | struct eigrp_interface *ei); | |
d62a17ae | 53 | |
e6685141 DS |
54 | extern void eigrp_unack_packet_retrans(struct event *thread); |
55 | extern void eigrp_unack_multicast_packet_retrans(struct event *thread); | |
7f57883e DS |
56 | |
57 | /* | |
58 | * untill there is reason to have their own header, these externs are found in | |
59 | * eigrp_hello.c | |
60 | */ | |
01cbe587 | 61 | extern void eigrp_sw_version_initialize(void); |
8e699447 DS |
62 | extern void eigrp_hello_send(struct eigrp_interface *ei, uint8_t flags, |
63 | struct in_addr *nbr_addr); | |
64 | extern void eigrp_hello_send_ack(struct eigrp_neighbor *nbr); | |
65 | extern void eigrp_hello_receive(struct eigrp *eigrp, struct ip *iph, | |
66 | struct eigrp_header *eigrph, struct stream *s, | |
67 | struct eigrp_interface *ei, int size); | |
e6685141 | 68 | extern void eigrp_hello_timer(struct event *thread); |
7f57883e DS |
69 | |
70 | /* | |
71 | * These externs are found in eigrp_update.c | |
72 | */ | |
71b52ef2 | 73 | extern bool eigrp_update_prefix_apply(struct eigrp *eigrp, |
996c9314 | 74 | struct eigrp_interface *ei, int in, |
71b52ef2 | 75 | struct prefix *prefix); |
8e699447 DS |
76 | extern void eigrp_update_send(struct eigrp_interface *ei); |
77 | extern void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph, | |
78 | struct eigrp_header *eigrph, struct stream *s, | |
79 | struct eigrp_interface *ei, int size); | |
80 | extern void eigrp_update_send_all(struct eigrp *eigrp, | |
81 | struct eigrp_interface *exception); | |
82 | extern void eigrp_update_send_init(struct eigrp_neighbor *nbr); | |
83 | extern void eigrp_update_send_EOT(struct eigrp_neighbor *nbr); | |
e6685141 | 84 | extern void eigrp_update_send_GR_thread(struct event *thread); |
8e699447 DS |
85 | extern void eigrp_update_send_GR(struct eigrp_neighbor *nbr, |
86 | enum GR_type gr_type, struct vty *vty); | |
87 | extern void eigrp_update_send_interface_GR(struct eigrp_interface *ei, | |
88 | enum GR_type gr_type, | |
89 | struct vty *vty); | |
90 | extern void eigrp_update_send_process_GR(struct eigrp *eigrp, | |
91 | enum GR_type gr_type, struct vty *vty); | |
7f57883e DS |
92 | |
93 | /* | |
94 | * These externs are found in eigrp_query.c | |
95 | */ | |
96 | ||
8e699447 DS |
97 | extern void eigrp_send_query(struct eigrp_interface *ei); |
98 | extern void eigrp_query_receive(struct eigrp *eigrp, struct ip *iph, | |
99 | struct eigrp_header *eigrph, struct stream *s, | |
100 | struct eigrp_interface *ei, int size); | |
101 | extern uint32_t eigrp_query_send_all(struct eigrp *eigrp); | |
7f57883e DS |
102 | |
103 | /* | |
104 | * These externs are found in eigrp_reply.c | |
105 | */ | |
8e699447 | 106 | extern void eigrp_send_reply(struct eigrp_neighbor *nbr, |
dc4accdd | 107 | struct eigrp_prefix_descriptor *pe); |
8e699447 DS |
108 | extern void eigrp_reply_receive(struct eigrp *eigrp, struct ip *iph, |
109 | struct eigrp_header *eigrph, struct stream *s, | |
110 | struct eigrp_interface *ei, int size); | |
7f57883e DS |
111 | |
112 | /* | |
113 | * These externs are found in eigrp_siaquery.c | |
114 | */ | |
8e699447 | 115 | extern void eigrp_send_siaquery(struct eigrp_neighbor *nbr, |
dc4accdd | 116 | struct eigrp_prefix_descriptor *pe); |
8e699447 DS |
117 | extern void eigrp_siaquery_receive(struct eigrp *eigrp, struct ip *iph, |
118 | struct eigrp_header *eigrph, | |
119 | struct stream *s, struct eigrp_interface *ei, | |
120 | int size); | |
7f57883e DS |
121 | |
122 | /* | |
123 | * These externs are found in eigrp_siareply.c | |
124 | */ | |
8e699447 | 125 | extern void eigrp_send_siareply(struct eigrp_neighbor *nbr, |
dc4accdd | 126 | struct eigrp_prefix_descriptor *pe); |
8e699447 DS |
127 | extern void eigrp_siareply_receive(struct eigrp *eigrp, struct ip *iph, |
128 | struct eigrp_header *eigrph, | |
129 | struct stream *s, struct eigrp_interface *ei, | |
130 | int size); | |
d62a17ae | 131 | |
132 | extern struct TLV_MD5_Authentication_Type *eigrp_authTLV_MD5_new(void); | |
8e699447 | 133 | extern void eigrp_authTLV_MD5_free(struct TLV_MD5_Authentication_Type *authTLV); |
d62a17ae | 134 | extern struct TLV_SHA256_Authentication_Type *eigrp_authTLV_SHA256_new(void); |
8e699447 DS |
135 | extern void |
136 | eigrp_authTLV_SHA256_free(struct TLV_SHA256_Authentication_Type *authTLV); | |
137 | ||
138 | extern int eigrp_make_md5_digest(struct eigrp_interface *ei, struct stream *s, | |
139 | uint8_t flags); | |
140 | extern int eigrp_check_md5_digest(struct stream *s, | |
141 | struct TLV_MD5_Authentication_Type *authTLV, | |
142 | struct eigrp_neighbor *nbr, uint8_t flags); | |
143 | extern int eigrp_make_sha256_digest(struct eigrp_interface *ei, | |
144 | struct stream *s, uint8_t flags); | |
145 | extern int | |
146 | eigrp_check_sha256_digest(struct stream *s, | |
147 | struct TLV_SHA256_Authentication_Type *authTLV, | |
148 | struct eigrp_neighbor *nbr, uint8_t flags); | |
149 | ||
150 | ||
151 | extern void | |
152 | eigrp_IPv4_InternalTLV_free(struct TLV_IPv4_Internal_type *IPv4_InternalTLV); | |
d62a17ae | 153 | |
154 | extern struct TLV_Sequence_Type *eigrp_SequenceTLV_new(void); | |
7f57883e DS |
155 | |
156 | extern const struct message eigrp_packet_type_str[]; | |
157 | extern const size_t eigrp_packet_type_str_max; | |
158 | ||
159 | #endif /* _ZEBRA_EIGRP_PACKET_H */ |