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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 *
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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
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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/rt.h"
ec1a4283 32#include "zebra/kernel_socket.h"
6621ca86 33
718e3744 34/* Kernel routing table read up by sysctl function. */
d62a17ae 35void route_read(struct zebra_ns *zns)
718e3744 36{
d62a17ae 37 caddr_t buf, end, ref;
38 size_t bufsiz;
39 struct rt_msghdr *rtm;
40
718e3744 41#define MIBSIZ 6
d62a17ae 42 int mib[MIBSIZ] = {CTL_NET, PF_ROUTE, 0, 0, NET_RT_DUMP, 0};
43
44 if (zns->ns_id != NS_DEFAULT)
45 return;
46
47 /* Get buffer size. */
48 if (sysctl(mib, MIBSIZ, NULL, &bufsiz, NULL, 0) < 0) {
49 zlog_warn("sysctl fail: %s", safe_strerror(errno));
50 return;
51 }
52
53 /* Allocate buffer. */
54 ref = buf = XMALLOC(MTYPE_TMP, bufsiz);
55
56 /* Read routing table information by calling sysctl(). */
57 if (sysctl(mib, MIBSIZ, buf, &bufsiz, NULL, 0) < 0) {
58 zlog_warn("sysctl() fail by %s", safe_strerror(errno));
59 XFREE(MTYPE_TMP, ref);
60 return;
61 }
62
63 for (end = buf + bufsiz; buf < end; buf += rtm->rtm_msglen) {
64 rtm = (struct rt_msghdr *)buf;
65 /* We must set RTF_DONE here, so rtm_read() doesn't ignore the
66 * message. */
67 SET_FLAG(rtm->rtm_flags, RTF_DONE);
68 rtm_read(rtm);
69 }
70
71 /* Free buffer. */
72 XFREE(MTYPE_TMP, ref);
73
74 return;
718e3744 75}
2232a77c 76
77/* Only implemented for the netlink method. */
d62a17ae 78void macfdb_read(struct zebra_ns *zns)
2232a77c 79{
80}
81
d62a17ae 82void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp,
83 struct interface *br_if)
2232a77c 84{
85}
86
d62a17ae 87void neigh_read(struct zebra_ns *zns)
2232a77c 88{
89}
90
d62a17ae 91void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *vlan_if)
2232a77c 92{
93}
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94
95#endif /* !defined(GNU_LINUX) && !defined(SUNOS_5) */