cifs: Register generic netlink family

Register a new generic netlink family to talk to the witness service
userspace daemon.

Signed-off-by: Samuel Cabrero <[email protected]>
Reviewed-by: Aurelien Aptel <[email protected]>
Signed-off-by: Steve French <[email protected]>

1 files changed, 31 insertions, 0 deletions

diff --git a/include/uapi/linux/cifs/cifs_netlink.h b/include/uapi/linux/cifs/cifs_netlink.h
new file mode 100644
index 000000000000..cdb1bd78fbc7
--- /dev/null
+++ b/include/uapi/linux/cifs/cifs_netlink.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
+/*
+ * Netlink routines for CIFS
+ *
+ * Copyright (c) 2020 Samuel Cabrero <[email protected]>
+ */
+
+
+#ifndef _UAPILINUX_CIFS_NETLINK_H
+#define _UAPILINUX_CIFS_NETLINK_H
+
+#define CIFS_GENL_NAME			"cifs"
+#define CIFS_GENL_VERSION		0x1
+
+#define CIFS_GENL_MCGRP_SWN_NAME	"cifs_mcgrp_swn"
+
+enum cifs_genl_multicast_groups {
+	CIFS_GENL_MCGRP_SWN,
+};
+
+enum cifs_genl_attributes {
+	__CIFS_GENL_ATTR_MAX,
+};
+#define CIFS_GENL_ATTR_MAX (__CIFS_GENL_ATTR_MAX - 1)
+
+enum cifs_genl_commands {
+	__CIFS_GENL_CMD_MAX
+};
+#define CIFS_GENL_CMD_MAX (__CIFS_GENL_CMD_MAX - 1)
+
+#endif /* _UAPILINUX_CIFS_NETLINK_H */