RPCSEC_GSS: Add support for privacy to krb5 rpcsec_gss mechanism.

 Add support for privacy to the krb5 rpcsec_gss mechanism.

 Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index cb35833..7f93c2d 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -116,7 +116,7 @@
 
 s32
 make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
-		   struct xdr_netobj *cksum);
+		   int body_offset, struct xdr_netobj *cksum);
 
 u32
 krb5_make_token(struct krb5_ctx *context_handle, int qop_req,
@@ -129,6 +129,15 @@
 	  struct xdr_buf *message_buffer, int *qop_state);
 
 u32
+gss_wrap_kerberos(struct gss_ctx *ctx_id, u32 qop, int offset,
+		struct xdr_buf *outbuf, struct page **pages);
+
+u32
+gss_unwrap_kerberos(struct gss_ctx *ctx_id, u32 *qop, int offset,
+		struct xdr_buf *buf);
+
+
+u32
 krb5_encrypt(struct crypto_tfm * key,
 	     void *iv, void *in, void *out, int length);
 
@@ -136,6 +145,13 @@
 krb5_decrypt(struct crypto_tfm * key,
 	     void *iv, void *in, void *out, int length); 
 
+int
+gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *outbuf, int offset,
+		struct page **pages);
+
+int
+gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *inbuf, int offset);
+
 s32
 krb5_make_seq_num(struct crypto_tfm * key,
 		int direction,