smb: smbdirect: introduce smbdirect_socket.rdma.legacy_iwarp

This will be used by client and server soon.

Cc: Steve French <[email protected]>
Cc: Tom Talpey <[email protected]>
Cc: Long Li <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Stefan Metzmacher <[email protected]>
Signed-off-by: Steve French <[email protected]>

Author: metze-samba

fs/smb/common/smbdirect/smbdirect_socket.h

@@ -50,6 +50,10 @@ struct smbdirect_socket {
 	/* RDMA related */
 	struct {
 		struct rdma_cm_id *cm_id;
+		/*
+		 * This is for iWarp MPA v1
+		 */
+		bool legacy_iwarp;
 	} rdma;
 
 	/* IB verbs related */