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/*****************************************************************************
(c) Cambridge Silicon Radio Limited 2011
All rights reserved and confidential information of CSR
Refer to LICENSE.txt included with this source for details
on the license terms.
*****************************************************************************/
/*
* ---------------------------------------------------------------------------
*
* FILE: csr_wifi_hip_conversions.h
*
* PURPOSE:
* This header file provides the macros for converting to and from
* wire format.
* These macros *MUST* work for little-endian AND big-endian hosts.
*
* ---------------------------------------------------------------------------
*/
#ifndef __CSR_WIFI_HIP_CONVERSIONS_H__
#define __CSR_WIFI_HIP_CONVERSIONS_H__
#define SIZEOF_UINT16 2
#define SIZEOF_UINT32 4
#define SIZEOF_UINT64 8
#define SIZEOF_SIGNAL_HEADER 6
#define SIZEOF_DATAREF 4
/*
* Macro to retrieve the signal ID from a wire-format signal.
*/
#define GET_SIGNAL_ID(_buf) CSR_GET_UINT16_FROM_LITTLE_ENDIAN((_buf))
/*
* Macros to retrieve and set the DATAREF fields in a packed (i.e. wire-format)
* HIP signal.
*/
#define GET_PACKED_DATAREF_SLOT(_buf, _ref) \
CSR_GET_UINT16_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + ((_ref) * SIZEOF_DATAREF) + 0))
#define GET_PACKED_DATAREF_LEN(_buf, _ref) \
CSR_GET_UINT16_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + ((_ref) * SIZEOF_DATAREF) + 2))
#define SET_PACKED_DATAREF_SLOT(_buf, _ref, _slot) \
CSR_COPY_UINT16_TO_LITTLE_ENDIAN((_slot), ((_buf) + SIZEOF_SIGNAL_HEADER + ((_ref) * SIZEOF_DATAREF) + 0))
#define SET_PACKED_DATAREF_LEN(_buf, _ref, _len) \
CSR_COPY_UINT16_TO_LITTLE_ENDIAN((_len), ((_buf) + SIZEOF_SIGNAL_HEADER + ((_ref) * SIZEOF_DATAREF) + 2))
#define GET_PACKED_MA_PACKET_REQUEST_FRAME_PRIORITY(_buf) \
CSR_GET_UINT16_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + UNIFI_MAX_DATA_REFERENCES * SIZEOF_DATAREF + 8))
#define GET_PACKED_MA_PACKET_REQUEST_HOST_TAG(_buf) \
CSR_GET_UINT32_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + UNIFI_MAX_DATA_REFERENCES * SIZEOF_DATAREF + 4))
#define GET_PACKED_MA_PACKET_CONFIRM_HOST_TAG(_buf) \
CSR_GET_UINT32_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + UNIFI_MAX_DATA_REFERENCES * SIZEOF_DATAREF + 8))
#define GET_PACKED_MA_PACKET_CONFIRM_TRANSMISSION_STATUS(_buf) \
CSR_GET_UINT16_FROM_LITTLE_ENDIAN(((_buf) + SIZEOF_SIGNAL_HEADER + UNIFI_MAX_DATA_REFERENCES * SIZEOF_DATAREF + 2))
s32 get_packed_struct_size(const u8 *buf);
CsrResult read_unpack_signal(const u8 *ptr, CSR_SIGNAL *sig);
CsrResult write_pack(const CSR_SIGNAL *sig, u8 *ptr, u16 *sig_len);
#endif /* __CSR_WIFI_HIP_CONVERSIONS_H__ */
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