1 /*
2  * The olsr.org Optimized Link-State Routing daemon (olsrd)
3  *
4  * (c) by the OLSR project
5  *
6  * See our Git repository to find out who worked on this file
7  * and thus is a copyright holder on it.
8  *
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
15  * * Redistributions of source code must retain the above copyright
16  *   notice, this list of conditions and the following disclaimer.
17  * * Redistributions in binary form must reproduce the above copyright
18  *   notice, this list of conditions and the following disclaimer in
19  *   the documentation and/or other materials provided with the
20  *   distribution.
21  * * Neither the name of olsr.org, olsrd nor the names of its
22  *   contributors may be used to endorse or promote products derived
23  *   from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
30  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
31  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  *
38  * Visit http://www.olsr.org for more information.
39  *
40  * If you find this software useful feel free to make a donation
41  * to the project. For more information see the website or contact
42  * the copyright holders.
43  *
44  */
45 
46 /* -------------------------------------------------------------------------
47  * File               : packet.h
48  * Description        : header file for packet.c
49  * ------------------------------------------------------------------------- */
50 
51 #ifndef _LIB_QUAGGA_PACKET_H_
52 #define _LIB_QUAGGA_PACKET_H_
53 
54 /* Zebra packet size */
55 #define ZEBRA_MAX_PACKET_SIZ		4096
56 
57 /* Zebra header marker */
58 #ifndef ZEBRA_HEADER_MARKER
59 #define ZEBRA_HEADER_MARKER 255
60 #endif /* ZEBRA_HEADER_MARKER */
61 
62 /* Zebra message types */
63 #define ZEBRA_IPV4_ROUTE_ADD		7
64 #define ZEBRA_IPV4_ROUTE_DELETE		8
65 #define ZEBRA_IPV6_ROUTE_ADD            9
66 #define ZEBRA_IPV6_ROUTE_DELETE         10
67 #define ZEBRA_REDISTRIBUTE_ADD         11
68 #define ZEBRA_REDISTRIBUTE_DELETE      12
69 #define ZEBRA_HELLO                    23
70 
71 /* Zebra nexthop flags */
72 #define ZEBRA_NEXTHOP_IFINDEX		1
73 #define ZEBRA_NEXTHOP_IPV4		3
74 #define ZEBRA_NEXTHOP_IPV6              6
75 
76 /* Zebra message flags */
77 #define ZAPI_MESSAGE_NEXTHOP		0x01
78 #define ZAPI_MESSAGE_IFINDEX		0x02
79 #define ZAPI_MESSAGE_DISTANCE		0x04
80 #define ZAPI_MESSAGE_METRIC		0x08
81 
82 /* Subsequent Address Family Identifier */
83 #define SAFI_UNICAST                    1
84 
85 /* Zebra flags */
86 #define ZEBRA_FLAG_SELECTED		0x10
87 
88 struct zroute {
89   unsigned char type;
90   unsigned char flags;
91   unsigned char message;
92   uint16_t safi;
93   unsigned char prefixlen;
94   union olsr_ip_addr prefix;
95   unsigned char nexthop_num;
96   union olsr_ip_addr *nexthop;
97   unsigned char ifindex_num;
98   uint32_t *ifindex;
99   uint32_t metric;
100   uint8_t distance;
101 };
102 
103 unsigned char *zpacket_route(uint16_t, struct zroute *);
104 unsigned char *zpacket_redistribute(uint16_t, unsigned char);
105 
106 #endif /* _LIB_QUAGGA_PACKET_H_ */
107 
108 /*
109  * Local Variables:
110  * c-basic-offset: 2
111  * indent-tabs-mode: nil
112  * End:
113  */
114