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/*
* Copyright (c) 2010 Broadcom Corporation
*
* Permission to use, copy, modify, and/or 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 _BCM_XDR_H
#define _BCM_XDR_H
/*
* bcm_xdr_buf_t
* Structure used for bookkeeping of a buffer being packed or unpacked.
* Keeps a current read/write pointer and size as well as
* the original buffer pointer and size.
*
*/
typedef struct {
u8 *buf; /* pointer to current position in origbuf */
uint size; /* current (residual) size in bytes */
u8 *origbuf; /* unmodified pointer to orignal buffer */
uint origsize; /* unmodified orignal buffer size in bytes */
} bcm_xdr_buf_t;
void bcm_xdr_buf_init(bcm_xdr_buf_t *b, void *buf, size_t len);
int bcm_xdr_pack_u32(bcm_xdr_buf_t *b, u32 val);
int bcm_xdr_unpack_u32(bcm_xdr_buf_t *b, u32 *pval);
int bcm_xdr_pack_s32(bcm_xdr_buf_t *b, s32 val);
int bcm_xdr_unpack_s32(bcm_xdr_buf_t *b, s32 *pval);
int bcm_xdr_pack_s8(bcm_xdr_buf_t *b, s8 val);
int bcm_xdr_unpack_s8(bcm_xdr_buf_t *b, s8 *pval);
int bcm_xdr_pack_opaque(bcm_xdr_buf_t *b, uint len, void *data);
int bcm_xdr_unpack_opaque(bcm_xdr_buf_t *b, uint len, void **pdata);
int bcm_xdr_unpack_opaque_cpy(bcm_xdr_buf_t *b, uint len, void *data);
int bcm_xdr_pack_opaque_varlen(bcm_xdr_buf_t *b, uint len, void *data);
int bcm_xdr_unpack_opaque_varlen(bcm_xdr_buf_t *b, uint *plen, void **pdata);
int bcm_xdr_pack_string(bcm_xdr_buf_t *b, char *str);
int bcm_xdr_unpack_string(bcm_xdr_buf_t *b, uint *plen, char **pstr);
int bcm_xdr_pack_u8_vec(bcm_xdr_buf_t *, u8 *vec, u32 elems);
int bcm_xdr_unpack_u8_vec(bcm_xdr_buf_t *, u8 *vec, u32 elems);
int bcm_xdr_pack_u16_vec(bcm_xdr_buf_t *b, uint len, void *vec);
int bcm_xdr_unpack_u16_vec(bcm_xdr_buf_t *b, uint len, void *vec);
int bcm_xdr_pack_u32_vec(bcm_xdr_buf_t *b, uint len, void *vec);
int bcm_xdr_unpack_u32_vec(bcm_xdr_buf_t *b, uint len, void *vec);
int bcm_xdr_pack_opaque_raw(bcm_xdr_buf_t *b, uint len, void *data);
int bcm_xdr_pack_opaque_pad(bcm_xdr_buf_t *b);
#endif /* _BCM_XDR_H */
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