Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/zebra/rtread_sysctl.c b/zebra/rtread_sysctl.c
new file mode 100644
index 0000000..ef1e21b
--- /dev/null
+++ b/zebra/rtread_sysctl.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Kernel routing table read by sysctl function.
+ * Copyright (C) 1997, 98 Kunihiro Ishiguro
+ */
+
+#include <zebra.h>
+
+#if !defined(GNU_LINUX)
+
+#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) */