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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Kernel routing table read by sysctl function.
* Copyright (C) 1997, 98 Kunihiro Ishiguro
*/
#include <zebra.h>
#include <net/route.h>
#if !defined(GNU_LINUX)
#include <sys/sysctl.h>
#include "memory.h"
#include "log.h"
#include "vrf.h"
#include "zebra/rt.h"
#include "zebra/kernel_socket.h"
#include "zebra/zebra_pbr.h"
#include "zebra/zebra_tc.h"
#include "zebra/zebra_errors.h"
/* Kernel routing table read up by sysctl function. */
void route_read(struct zebra_ns *zns)
{
caddr_t buf, end, ref;
size_t bufsiz;
struct rt_msghdr *rtm;
#define MIBSIZ 6
int mib[MIBSIZ] = {CTL_NET, PF_ROUTE, 0, 0, NET_RT_DUMP, 0};
if (zns->ns_id != NS_DEFAULT)
return;
/* Get buffer size. */
if (sysctl(mib, MIBSIZ, NULL, &bufsiz, NULL, 0) < 0) {
flog_warn(EC_ZEBRA_SYSCTL_FAILED, "sysctl fail: %s",
safe_strerror(errno));
return;
}
/* Allocate buffer. */
ref = buf = XMALLOC(MTYPE_TMP, bufsiz);
/* Read routing table information by calling sysctl(). */
if (sysctl(mib, MIBSIZ, buf, &bufsiz, NULL, 0) < 0) {
flog_warn(EC_ZEBRA_SYSCTL_FAILED, "sysctl() fail by %s",
safe_strerror(errno));
XFREE(MTYPE_TMP, ref);
return;
}
for (end = buf + bufsiz; buf < end; buf += rtm->rtm_msglen) {
rtm = (struct rt_msghdr *)buf;
/* We must set RTF_DONE here, so rtm_read() doesn't ignore the
* message. */
SET_FLAG(rtm->rtm_flags, RTF_DONE);
rtm_read(rtm);
}
/* Free buffer. */
XFREE(MTYPE_TMP, ref);
return;
}
/* Only implemented for the netlink method. */
void macfdb_read(struct zebra_ns *zns)
{
}
void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp,
struct interface *br_if, vlanid_t vid)
{
}
void macfdb_read_mcast_entry_for_vni(struct zebra_ns *zns,
struct interface *ifp, vni_t vni)
{
}
void macfdb_read_specific_mac(struct zebra_ns *zns, struct interface *br_if,
const struct ethaddr *mac, vlanid_t vid)
{
}
void neigh_read(struct zebra_ns *zns)
{
}
void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *vlan_if)
{
}
void neigh_read_specific_ip(const struct ipaddr *ip, struct interface *vlan_if)
{
}
void kernel_read_pbr_rules(struct zebra_ns *zns)
{
}
void kernel_read_tc_qdisc(struct zebra_ns *zns)
{
}
void vlan_read(struct zebra_ns *zns)
{
}
#endif /* !defined(GNU_LINUX) */
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