nfs41: exchange_id operation
Implement the exchange_id operation conforming to
http://tools.ietf.org/html/draft-ietf-nfsv4-minorversion1-26
Unlike NFSv4.0, NFSv4.1 requires machine credentials. RPC_AUTH_GSS machine
credentials will be passed into the kernel at mount time to be available for
the exchange_id operation.
RPC_AUTH_UNIX root mounts can use the UNIX root credential. Store the root
credential in the nfs_client struct.
Without a credential, NFSv4.1 state renewal fails.
[nfs41: establish clientid via exchange id only if cred != NULL]
Signed-off-by: Andy Adamson<andros@umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41: move nfstime4 from under CONFIG_NFS_V4_1]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: do not wait a lease time in exchange id]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: pass *session in seq_args and seq_res]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
[nfs41: Ignoring impid in decode_exchange_id is missing a READ_BUF]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: fix Xcode_exchange_id's xdr Xcoding pointer type]
[nfs41: get rid of unused struct nfs41_exchange_id_res members]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 4ac14b4..5d70b924 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -879,6 +879,46 @@
#endif /* CONFIG_NFS_V4 */
+struct nfstime4 {
+ u64 seconds;
+ u32 nseconds;
+};
+
+#ifdef CONFIG_NFS_V4_1
+struct nfs_impl_id4 {
+ u32 domain_len;
+ char *domain;
+ u32 name_len;
+ char *name;
+ struct nfstime4 date;
+};
+
+#define NFS4_EXCHANGE_ID_LEN (48)
+struct nfs41_exchange_id_args {
+ struct nfs_client *client;
+ nfs4_verifier *verifier;
+ unsigned int id_len;
+ char id[NFS4_EXCHANGE_ID_LEN];
+ u32 flags;
+};
+
+struct server_owner {
+ uint64_t minor_id;
+ uint32_t major_id_sz;
+ char major_id[NFS4_OPAQUE_LIMIT];
+};
+
+struct server_scope {
+ uint32_t server_scope_sz;
+ char server_scope[NFS4_OPAQUE_LIMIT];
+};
+
+struct nfs41_exchange_id_res {
+ struct nfs_client *client;
+ u32 flags;
+};
+#endif /* CONFIG_NFS_V4_1 */
+
struct nfs_page;
#define NFS_PAGEVEC_SIZE (8U)