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Diffstat (limited to 'nuttx/fs/nfs/rpc_idgen.h')
-rw-r--r-- | nuttx/fs/nfs/rpc_idgen.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/nuttx/fs/nfs/rpc_idgen.h b/nuttx/fs/nfs/rpc_idgen.h new file mode 100644 index 000000000..42babc4d7 --- /dev/null +++ b/nuttx/fs/nfs/rpc_idgen.h @@ -0,0 +1,69 @@ + +/* $OpenBSD: idgen.h,v 1.2 2008/06/25 00:55:53 djm Exp $ */ + +/* + */ + +/**************************************************************************** + * fs/nfs/rpc_idgen.h + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved. + * Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com> + * + * Leveraged from OpenBSD: + * + * Copyright (c) 2008 Damien Miller <djm@mindrot.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + ****************************************************************************/ + +#ifndef __FS_NFS_RPC_IDGEN_H +#define __FS_NFS_RPC_IDGEN_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define IDGEN32_ROUNDS 31 +#define IDGEN32_KEYLEN 32 +#define IDGEN32_REKEY_LIMIT 0x60000000 +#define IDGEN32_REKEY_TIME 600 + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +struct idgen32_ctx +{ + uint32_t id_counter; + uint32_t id_offset; + uint32_t id_hibit; + uint8_t id_key[IDGEN32_KEYLEN]; + time_t id_rekey_time; +}; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +void idgen32_init(struct idgen32_ctx *); +uint32_t idgen32(struct idgen32_ctx *); + +#endif /* __FS_NFS_RPC_IDGEN_H */ + |