[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/net/ipv4/fib_notifier.c b/src/kernel/linux/v4.14/net/ipv4/fib_notifier.c
new file mode 100644
index 0000000..b804ccb
--- /dev/null
+++ b/src/kernel/linux/v4.14/net/ipv4/fib_notifier.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/rtnetlink.h>
+#include <linux/notifier.h>
+#include <linux/socket.h>
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <net/net_namespace.h>
+#include <net/fib_notifier.h>
+#include <net/netns/ipv4.h>
+#include <net/ip_fib.h>
+
+int call_fib4_notifier(struct notifier_block *nb, struct net *net,
+ enum fib_event_type event_type,
+ struct fib_notifier_info *info)
+{
+ info->family = AF_INET;
+ return call_fib_notifier(nb, net, event_type, info);
+}
+
+int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,
+ struct fib_notifier_info *info)
+{
+ ASSERT_RTNL();
+
+ info->family = AF_INET;
+ net->ipv4.fib_seq++;
+ return call_fib_notifiers(net, event_type, info);
+}
+
+static unsigned int fib4_seq_read(struct net *net)
+{
+ ASSERT_RTNL();
+
+ return net->ipv4.fib_seq + fib4_rules_seq_read(net);
+}
+
+static int fib4_dump(struct net *net, struct notifier_block *nb)
+{
+ int err;
+
+ err = fib4_rules_dump(net, nb);
+ if (err)
+ return err;
+
+ fib_notify(net, nb);
+
+ return 0;
+}
+
+static const struct fib_notifier_ops fib4_notifier_ops_template = {
+ .family = AF_INET,
+ .fib_seq_read = fib4_seq_read,
+ .fib_dump = fib4_dump,
+ .owner = THIS_MODULE,
+};
+
+int __net_init fib4_notifier_init(struct net *net)
+{
+ struct fib_notifier_ops *ops;
+
+ net->ipv4.fib_seq = 0;
+
+ ops = fib_notifier_ops_register(&fib4_notifier_ops_template, net);
+ if (IS_ERR(ops))
+ return PTR_ERR(ops);
+ net->ipv4.notifier_ops = ops;
+
+ return 0;
+}
+
+void __net_exit fib4_notifier_exit(struct net *net)
+{
+ fib_notifier_ops_unregister(net->ipv4.notifier_ops);
+}