Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 30 insertions, 0 deletions

diff --git a/include/net/dn_neigh.h b/include/net/dn_neigh.h
new file mode 100644
index 000000000..2e3e77939
--- /dev/null
+++ b/include/net/dn_neigh.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _NET_DN_NEIGH_H
+#define _NET_DN_NEIGH_H
+
+/*
+ * The position of the first two fields of
+ * this structure are critical - SJW
+ */
+struct dn_neigh {
+        struct neighbour n;
+	__le16 addr;
+        unsigned long flags;
+#define DN_NDFLAG_R1    0x0001 /* Router L1      */
+#define DN_NDFLAG_R2    0x0002 /* Router L2      */
+#define DN_NDFLAG_P3    0x0004 /* Phase III Node */
+        unsigned long blksize;
+	__u8 priority;
+};
+
+void dn_neigh_init(void);
+void dn_neigh_cleanup(void);
+int dn_neigh_router_hello(struct net *net, struct sock *sk, struct sk_buff *skb);
+int dn_neigh_endnode_hello(struct net *net, struct sock *sk, struct sk_buff *skb);
+void dn_neigh_pointopoint_hello(struct sk_buff *skb);
+int dn_neigh_elist(struct net_device *dev, unsigned char *ptr, int n);
+int dn_to_neigh_output(struct net *net, struct sock *sk, struct sk_buff *skb);
+
+extern struct neigh_table dn_neigh_table;
+
+#endif /* _NET_DN_NEIGH_H */