1 files changed, 9 insertions, 0 deletions

diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index 6d5886efb102..82868f18c573 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -26,11 +26,19 @@
 #ifndef NET_9P_TRANSPORT_H
 #define NET_9P_TRANSPORT_H
 
+#define P9_TRANS_PREF_PAYLOAD_MASK 0x1
+
+/* Default. Add Payload to PDU before sending it down to transport layer */
+#define P9_TRANS_PREF_PAYLOAD_DEF  0x0
+/* Send pay load seperately to transport layer along with PDU.*/
+#define P9_TRANS_PREF_PAYLOAD_SEP  0x1
+
 /**
  * struct p9_trans_module - transport module interface
  * @list: used to maintain a list of currently available transports
  * @name: the human-readable name of the transport
  * @maxsize: transport provided maximum packet size
+ * @pref: Preferences of this transport
  * @def: set if this transport should be considered the default
  * @create: member function to create a new connection on this transport
  * @request: member function to issue a request to the transport
@@ -47,6 +55,7 @@ struct p9_trans_module {
         struct list_head list;
         char *name;             /* name of transport */
         int maxsize;            /* max message size of transport */
+        int pref;               /* Preferences of this transport */
         int def;                /* this transport should be default */
         struct module *owner;
         int (*create)(struct p9_client *, const char *, char *);