1 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 40ae58e3e9db..d9d396c16503 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -42,6 +42,10 @@ struct ceph_connection_operations {
         struct ceph_msg * (*alloc_msg) (struct ceph_connection *con,
                                         struct ceph_msg_header *hdr,
                                         int *skip);
+        int (*sign_message) (struct ceph_connection *con, struct ceph_msg *msg);
+
+        int (*check_message_signature) (struct ceph_connection *con,
+                                        struct ceph_msg *msg);
 };
 
 /* use format string %s%d */
@@ -142,7 +146,10 @@ struct ceph_msg_data_cursor {
  */
 struct ceph_msg {
         struct ceph_msg_header hdr;     /* header */
-        struct ceph_msg_footer footer;  /* footer */
+        union {
+                struct ceph_msg_footer footer;          /* footer */
+                struct ceph_msg_footer_old old_footer;  /* old format footer */
+        };
         struct kvec front;              /* unaligned blobs of message */
         struct ceph_buffer *middle;