cdfefa0ba0
facilities as well as support for the Octeon 2 family of SoCs.
XXX Note that with our antediluvian assembler, we can't support some Octeon 2
instructions and fall back to using the old ones instead.
82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Networks nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* Packet buffer defines.
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*
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* <hr>$Revision: 49448 $<hr>
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*
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*/
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#ifndef __CVMX_PACKET_H__
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#define __CVMX_PACKET_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* This structure defines a buffer pointer on Octeon
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*/
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union cvmx_buf_ptr {
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void* ptr;
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uint64_t u64;
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struct
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{
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uint64_t i : 1; /**< if set, invert the "free" pick of the overall packet. HW always sets this bit to 0 on inbound packet */
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uint64_t back : 4; /**< Indicates the amount to back up to get to the buffer start in cache lines. In most cases
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this is less than one complete cache line, so the value is zero */
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uint64_t pool : 3; /**< The pool that the buffer came from / goes to */
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uint64_t size :16; /**< The size of the segment pointed to by addr (in bytes) */
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uint64_t addr :40; /**< Pointer to the first byte of the data, NOT buffer */
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} s;
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};
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typedef union cvmx_buf_ptr cvmx_buf_ptr_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_PACKET_H__ */
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