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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * Kernel routing table read by sysctl function. | |
3 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
ddfeb486 DL |
24 | #if !defined(GNU_LINUX) && !defined(SUNOS_5) |
25 | ||
718e3744 | 26 | #include "memory.h" |
4a1ab8e4 | 27 | #include "zebra_memory.h" |
718e3744 | 28 | #include "log.h" |
8f7d9fc0 | 29 | #include "vrf.h" |
718e3744 | 30 | |
6621ca86 | 31 | #include "zebra/zserv.h" |
32 | #include "zebra/rt.h" | |
ec1a4283 | 33 | #include "zebra/kernel_socket.h" |
6621ca86 | 34 | |
718e3744 | 35 | /* Kernel routing table read up by sysctl function. */ |
d62a17ae | 36 | void route_read(struct zebra_ns *zns) |
718e3744 | 37 | { |
d62a17ae | 38 | caddr_t buf, end, ref; |
39 | size_t bufsiz; | |
40 | struct rt_msghdr *rtm; | |
41 | ||
718e3744 | 42 | #define MIBSIZ 6 |
d62a17ae | 43 | int mib[MIBSIZ] = {CTL_NET, PF_ROUTE, 0, 0, NET_RT_DUMP, 0}; |
44 | ||
45 | if (zns->ns_id != NS_DEFAULT) | |
46 | return; | |
47 | ||
48 | /* Get buffer size. */ | |
49 | if (sysctl(mib, MIBSIZ, NULL, &bufsiz, NULL, 0) < 0) { | |
50 | zlog_warn("sysctl fail: %s", safe_strerror(errno)); | |
51 | return; | |
52 | } | |
53 | ||
54 | /* Allocate buffer. */ | |
55 | ref = buf = XMALLOC(MTYPE_TMP, bufsiz); | |
56 | ||
57 | /* Read routing table information by calling sysctl(). */ | |
58 | if (sysctl(mib, MIBSIZ, buf, &bufsiz, NULL, 0) < 0) { | |
59 | zlog_warn("sysctl() fail by %s", safe_strerror(errno)); | |
60 | XFREE(MTYPE_TMP, ref); | |
61 | return; | |
62 | } | |
63 | ||
64 | for (end = buf + bufsiz; buf < end; buf += rtm->rtm_msglen) { | |
65 | rtm = (struct rt_msghdr *)buf; | |
66 | /* We must set RTF_DONE here, so rtm_read() doesn't ignore the | |
67 | * message. */ | |
68 | SET_FLAG(rtm->rtm_flags, RTF_DONE); | |
69 | rtm_read(rtm); | |
70 | } | |
71 | ||
72 | /* Free buffer. */ | |
73 | XFREE(MTYPE_TMP, ref); | |
74 | ||
75 | return; | |
718e3744 | 76 | } |
2232a77c | 77 | |
78 | /* Only implemented for the netlink method. */ | |
d62a17ae | 79 | void macfdb_read(struct zebra_ns *zns) |
2232a77c | 80 | { |
81 | } | |
82 | ||
d62a17ae | 83 | void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp, |
84 | struct interface *br_if) | |
2232a77c | 85 | { |
86 | } | |
87 | ||
d62a17ae | 88 | void neigh_read(struct zebra_ns *zns) |
2232a77c | 89 | { |
90 | } | |
91 | ||
d62a17ae | 92 | void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *vlan_if) |
2232a77c | 93 | { |
94 | } | |
ddfeb486 DL |
95 | |
96 | #endif /* !defined(GNU_LINUX) && !defined(SUNOS_5) */ |