1 files changed, 24 insertions, 4 deletions

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 0dd00f4..790be14 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -24,12 +24,21 @@
 
 struct rpcsec_gss_info;
 
+/* auth_cred ac_flags bits */
+enum {
+	RPC_CRED_NO_CRKEY_TIMEOUT = 0, /* underlying cred has no key timeout */
+	RPC_CRED_KEY_EXPIRE_SOON = 1, /* underlying cred key will expire soon */
+	RPC_CRED_NOTIFY_TIMEOUT = 2,   /* nofity generic cred when underlying
+					key will expire soon */
+};
+
 /* Work around the lack of a VFS credential */
 struct auth_cred {
 	kuid_t	uid;
 	kgid_t	gid;
 	struct group_info *group_info;
 	const char *principal;
+	unsigned long ac_flags;
 	unsigned char machine_cred : 1;
 };
 
@@ -87,6 +96,11 @@ struct rpc_auth {
 	/* per-flavor data */
 };
 
+struct rpc_auth_create_args {
+	rpc_authflavor_t pseudoflavor;
+	const char *target_name;
+};
+
 /* Flags for rpcauth_lookupcred() */
 #define RPCAUTH_LOOKUP_NEW		0x01	/* Accept an uninitialised cred */
 
@@ -97,17 +111,17 @@ struct rpc_authops {
 	struct module		*owner;
 	rpc_authflavor_t	au_flavor;	/* flavor (RPC_AUTH_*) */
 	char *			au_name;
-	struct rpc_auth *	(*create)(struct rpc_clnt *, rpc_authflavor_t);
+	struct rpc_auth *	(*create)(struct rpc_auth_create_args *, struct rpc_clnt *);
 	void			(*destroy)(struct rpc_auth *);
 
 	struct rpc_cred *	(*lookup_cred)(struct rpc_auth *, struct auth_cred *, int);
 	struct rpc_cred *	(*crcreate)(struct rpc_auth*, struct auth_cred *, int);
-	int			(*pipes_create)(struct rpc_auth *);
-	void			(*pipes_destroy)(struct rpc_auth *);
 	int			(*list_pseudoflavors)(rpc_authflavor_t *, int);
 	rpc_authflavor_t	(*info2flavor)(struct rpcsec_gss_info *);
 	int			(*flavor2info)(rpc_authflavor_t,
 						struct rpcsec_gss_info *);
+	int			(*key_timeout)(struct rpc_auth *,
+						struct rpc_cred *);
 };
 
 struct rpc_credops {
@@ -124,6 +138,8 @@ struct rpc_credops {
 						void *, __be32 *, void *);
 	int			(*crunwrap_resp)(struct rpc_task *, kxdrdproc_t,
 						void *, __be32 *, void *);
+	int			(*crkey_timeout)(struct rpc_cred *);
+	bool			(*crkey_to_expire)(struct rpc_cred *);
 };
 
 extern const struct rpc_authops	authunix_ops;
@@ -140,7 +156,8 @@ struct rpc_cred *	rpc_lookup_cred(void);
 struct rpc_cred *	rpc_lookup_machine_cred(const char *service_name);
 int			rpcauth_register(const struct rpc_authops *);
 int			rpcauth_unregister(const struct rpc_authops *);
-struct rpc_auth *	rpcauth_create(rpc_authflavor_t, struct rpc_clnt *);
+struct rpc_auth *	rpcauth_create(struct rpc_auth_create_args *,
+				struct rpc_clnt *);
 void			rpcauth_release(struct rpc_auth *);
 rpc_authflavor_t	rpcauth_get_pseudoflavor(rpc_authflavor_t,
 				struct rpcsec_gss_info *);
@@ -162,6 +179,9 @@ int			rpcauth_uptodatecred(struct rpc_task *);
 int			rpcauth_init_credcache(struct rpc_auth *);
 void			rpcauth_destroy_credcache(struct rpc_auth *);
 void			rpcauth_clear_credcache(struct rpc_cred_cache *);
+int			rpcauth_key_timeout_notify(struct rpc_auth *,
+						struct rpc_cred *);
+bool			rpcauth_cred_key_to_expire(struct rpc_cred *);
 
 static inline
 struct rpc_cred *	get_rpccred(struct rpc_cred *cred)