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718e3744 | 1 | /* Interface function header. |
2 | * Copyright (C) 1999 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
21 | ||
ca776988 | 22 | #ifdef HAVE_IRDP |
23 | #include "zebra/irdp.h" | |
24 | #endif | |
25 | ||
718e3744 | 26 | /* For interface multicast configuration. */ |
27 | #define IF_ZEBRA_MULTICAST_UNSPEC 0 | |
28 | #define IF_ZEBRA_MULTICAST_ON 1 | |
29 | #define IF_ZEBRA_MULTICAST_OFF 2 | |
30 | ||
31 | /* For interface shutdown configuration. */ | |
32 | #define IF_ZEBRA_SHUTDOWN_UNSPEC 0 | |
33 | #define IF_ZEBRA_SHUTDOWN_ON 1 | |
34 | #define IF_ZEBRA_SHUTDOWN_OFF 2 | |
35 | ||
36 | /* Router advertisement feature. */ | |
37 | #if (defined(LINUX_IPV6) && (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1)) || defined(KAME) | |
726f9b2b | 38 | #ifdef HAVE_RTADV |
39 | #define RTADV | |
40 | #endif | |
718e3744 | 41 | #endif |
42 | ||
43 | #ifdef RTADV | |
44 | /* Router advertisement parameter. From RFC2461. */ | |
45 | struct rtadvconf | |
46 | { | |
47 | /* A flag indicating whether or not the router sends periodic Router | |
48 | Advertisements and responds to Router Solicitations. | |
49 | Default: FALSE */ | |
50 | int AdvSendAdvertisements; | |
51 | ||
52 | /* The maximum time allowed between sending unsolicited multicast | |
53 | Router Advertisements from the interface, in seconds. MUST be no | |
54 | less than 4 seconds and no greater than 1800 seconds. | |
55 | ||
56 | Default: 600 seconds */ | |
57 | int MaxRtrAdvInterval; | |
58 | #define RTADV_MAX_RTR_ADV_INTERVAL 600 | |
59 | ||
60 | /* The minimum time allowed between sending unsolicited multicast | |
61 | Router Advertisements from the interface, in seconds. MUST be no | |
62 | less than 3 seconds and no greater than .75 * MaxRtrAdvInterval. | |
63 | ||
64 | Default: 0.33 * MaxRtrAdvInterval */ | |
65 | int MinRtrAdvInterval; | |
66 | #define RTADV_MIN_RTR_ADV_INTERVAL (0.33 * RTADV_MAX_RTR_ADV_INTERVAL) | |
67 | ||
68 | /* Unsolicited Router Advertisements' interval timer. */ | |
69 | int AdvIntervalTimer; | |
70 | ||
71 | /* The TRUE/FALSE value to be placed in the "Managed address | |
72 | configuration" flag field in the Router Advertisement. See | |
73 | [ADDRCONF]. | |
74 | ||
75 | Default: FALSE */ | |
76 | int AdvManagedFlag; | |
77 | ||
78 | ||
79 | /* The TRUE/FALSE value to be placed in the "Other stateful | |
80 | configuration" flag field in the Router Advertisement. See | |
81 | [ADDRCONF]. | |
82 | ||
83 | Default: FALSE */ | |
84 | int AdvOtherConfigFlag; | |
85 | ||
86 | /* The value to be placed in MTU options sent by the router. A | |
87 | value of zero indicates that no MTU options are sent. | |
88 | ||
89 | Default: 0 */ | |
90 | int AdvLinkMTU; | |
91 | ||
92 | ||
93 | /* The value to be placed in the Reachable Time field in the Router | |
94 | Advertisement messages sent by the router. The value zero means | |
95 | unspecified (by this router). MUST be no greater than 3,600,000 | |
96 | milliseconds (1 hour). | |
97 | ||
98 | Default: 0 */ | |
99 | u_int32_t AdvReachableTime; | |
100 | #define RTADV_MAX_REACHABLE_TIME 3600000 | |
101 | ||
102 | ||
103 | /* The value to be placed in the Retrans Timer field in the Router | |
104 | Advertisement messages sent by the router. The value zero means | |
105 | unspecified (by this router). | |
106 | ||
107 | Default: 0 */ | |
108 | int AdvRetransTimer; | |
109 | ||
110 | /* The default value to be placed in the Cur Hop Limit field in the | |
111 | Router Advertisement messages sent by the router. The value | |
112 | should be set to that current diameter of the Internet. The | |
113 | value zero means unspecified (by this router). | |
114 | ||
115 | Default: The value specified in the "Assigned Numbers" RFC | |
116 | [ASSIGNED] that was in effect at the time of implementation. */ | |
117 | int AdvCurHopLimit; | |
118 | ||
119 | /* The value to be placed in the Router Lifetime field of Router | |
120 | Advertisements sent from the interface, in seconds. MUST be | |
121 | either zero or between MaxRtrAdvInterval and 9000 seconds. A | |
122 | value of zero indicates that the router is not to be used as a | |
123 | default router. | |
124 | ||
125 | Default: 3 * MaxRtrAdvInterval */ | |
126 | int AdvDefaultLifetime; | |
127 | #define RTADV_ADV_DEFAULT_LIFETIME (3 * RTADV_MAX_RTR_ADV_INTERVAL) | |
128 | ||
129 | ||
130 | /* A list of prefixes to be placed in Prefix Information options in | |
131 | Router Advertisement messages sent from the interface. | |
132 | ||
133 | Default: all prefixes that the router advertises via routing | |
134 | protocols as being on-link for the interface from which the | |
135 | advertisement is sent. The link-local prefix SHOULD NOT be | |
136 | included in the list of advertised prefixes. */ | |
137 | list AdvPrefixList; | |
138 | }; | |
139 | ||
140 | #endif /* RTADV */ | |
141 | ||
142 | /* `zebra' daemon local interface structure. */ | |
143 | struct zebra_if | |
144 | { | |
145 | /* Shutdown configuration. */ | |
146 | u_char shutdown; | |
147 | ||
148 | /* Multicast configuration. */ | |
149 | u_char multicast; | |
150 | ||
151 | /* Router advertise configuration. */ | |
152 | u_char rtadv_enable; | |
153 | ||
154 | /* Interface's address. */ | |
155 | list address; | |
156 | ||
157 | #ifdef RTADV | |
158 | struct rtadvconf rtadv; | |
159 | #endif /* RTADV */ | |
ca776988 | 160 | |
161 | #ifdef HAVE_IRDP | |
162 | struct irdp_interface irdp; | |
163 | #endif | |
164 | ||
718e3744 | 165 | }; |
166 | ||
167 | void if_delete_update (struct interface *ifp); | |
168 | void if_add_update (struct interface *ifp); | |
169 | void if_up (struct interface *); | |
170 | void if_down (struct interface *); | |
171 | void if_refresh (struct interface *); | |
172 | void zebra_interface_up_update (struct interface *ifp); | |
173 | void zebra_interface_down_update (struct interface *ifp); | |
174 | ||
175 | #ifdef HAVE_PROC_NET_DEV | |
176 | int ifstat_update_proc (); | |
177 | #endif /* HAVE_PROC_NET_DEV */ | |
178 | #ifdef HAVE_NET_RT_IFLIST | |
179 | void ifstat_update_sysctl (); | |
180 | ||
181 | #endif /* HAVE_NET_RT_IFLIST */ | |
182 | #ifdef HAVE_PROC_NET_DEV | |
183 | int interface_list_proc (); | |
184 | #endif /* HAVE_PROC_NET_DEV */ | |
185 | #ifdef HAVE_PROC_NET_IF_INET6 | |
186 | int ifaddr_proc_ipv6 (); | |
187 | #endif /* HAVE_PROC_NET_IF_INET6 */ | |
188 | ||
189 | #ifdef BSDI | |
190 | int if_kvm_get_mtu (struct interface *); | |
191 | #endif /* BSDI */ |