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/***********************license start***************
 * Author: Cavium Networks
 *
 * Contact: support@caviumnetworks.com
 * This file is part of the OCTEON SDK
 *
 * Copyright (c) 2003-2008 Cavium Networks
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, Version 2, as
 * published by the Free Software Foundation.
 *
 * This file is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this file; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 * or visit http://www.gnu.org/licenses/.
 *
 * This file may also be available under a different license from Cavium.
 * Contact Cavium Networks for more information
 ***********************license end**************************************/

/*
 * Packet buffer defines.
 */

#ifndef __CVMX_PACKET_H__
#define __CVMX_PACKET_H__

/**
 * This structure defines a buffer pointer on Octeon
 */
union cvmx_buf_ptr {
	void *ptr;
	uint64_t u64;
	struct {
#ifdef __BIG_ENDIAN_BITFIELD
		/* if set, invert the "free" pick of the overall
		 * packet. HW always sets this bit to 0 on inbound
		 * packet */
		uint64_t i:1;

		/* Indicates the amount to back up to get to the
		 * buffer start in cache lines. In most cases this is
		 * less than one complete cache line, so the value is
		 * zero */
		uint64_t back:4;
		/* The pool that the buffer came from / goes to */
		uint64_t pool:3;
		/* The size of the segment pointed to by addr (in bytes) */
		uint64_t size:16;
		/* Pointer to the first byte of the data, NOT buffer */
		uint64_t addr:40;
#else
	        uint64_t addr:40;
	        uint64_t size:16;
	        uint64_t pool:3;
	        uint64_t back:4;
	        uint64_t i:1;
#endif
	} s;
};

#endif /*  __CVMX_PACKET_H__ */

Filemanager

Name Type Size Permission Actions
cvmx-address.h File 9.15 KB 0644
cvmx-agl-defs.h File 70.87 KB 0644
cvmx-asm.h File 5.08 KB 0644
cvmx-asxx-defs.h File 17.73 KB 0644
cvmx-boot-vector.h File 1.57 KB 0644
cvmx-bootinfo.h File 13.44 KB 0644
cvmx-bootmem.h File 14.02 KB 0644
cvmx-ciu-defs.h File 214.08 KB 0644
cvmx-ciu2-defs.h File 173.44 KB 0644
cvmx-ciu3-defs.h File 10.71 KB 0644
cvmx-cmd-queue.h File 18.46 KB 0644
cvmx-config.h File 6.31 KB 0644
cvmx-coremask.h File 2.13 KB 0644
cvmx-dbg-defs.h File 2.73 KB 0644
cvmx-dpi-defs.h File 27 KB 0644
cvmx-fau.h File 18.21 KB 0644
cvmx-fpa-defs.h File 37.39 KB 0644
cvmx-fpa.h File 8.14 KB 0644
cvmx-gmxx-defs.h File 226.41 KB 0644
cvmx-gpio-defs.h File 13.3 KB 0644
cvmx-helper-board.h File 4.91 KB 0644
cvmx-helper-errata.h File 1.25 KB 0644
cvmx-helper-jtag.h File 1.49 KB 0644
cvmx-helper-loop.h File 1.93 KB 0644
cvmx-helper-npi.h File 1.91 KB 0644
cvmx-helper-rgmii.h File 3.45 KB 0644
cvmx-helper-sgmii.h File 3.3 KB 0644
cvmx-helper-spi.h File 2.71 KB 0644
cvmx-helper-util.h File 5.92 KB 0644
cvmx-helper-xaui.h File 3.29 KB 0644
cvmx-helper.h File 7 KB 0644
cvmx-iob-defs.h File 35.77 KB 0644
cvmx-ipd-defs.h File 56.09 KB 0644
cvmx-ipd.h File 10.45 KB 0644
cvmx-l2c-defs.h File 7.94 KB 0644
cvmx-l2c.h File 11.13 KB 0644
cvmx-l2d-defs.h File 1.9 KB 0644
cvmx-l2t-defs.h File 5.18 KB 0644
cvmx-led-defs.h File 7.7 KB 0644
cvmx-lmcx-defs.h File 88.35 KB 0644
cvmx-mio-defs.h File 141.79 KB 0644
cvmx-mixx-defs.h File 14.58 KB 0644
cvmx-npei-defs.h File 94.93 KB 0644
cvmx-npi-defs.h File 67.92 KB 0644
cvmx-packet.h File 2.07 KB 0644
cvmx-pci-defs.h File 56.08 KB 0644
cvmx-pciercx-defs.h File 11.23 KB 0644
cvmx-pcsx-defs.h File 33.81 KB 0644
cvmx-pcsxx-defs.h File 25.23 KB 0644
cvmx-pemx-defs.h File 20.62 KB 0644
cvmx-pescx-defs.h File 15.88 KB 0644
cvmx-pexp-defs.h File 16.64 KB 0644
cvmx-pip-defs.h File 87.19 KB 0644
cvmx-pip.h File 16.01 KB 0644
cvmx-pko-defs.h File 73.09 KB 0644
cvmx-pko.h File 19.17 KB 0644
cvmx-pow-defs.h File 33.51 KB 0644
cvmx-pow.h File 63.82 KB 0644
cvmx-rnm-defs.h File 6.03 KB 0644
cvmx-rst-defs.h File 7.27 KB 0644
cvmx-scratch.h File 3.78 KB 0644
cvmx-sli-defs.h File 3.95 KB 0644
cvmx-smix-defs.h File 11.01 KB 0644
cvmx-spi.h File 8.93 KB 0644
cvmx-spinlock.h File 6.24 KB 0644
cvmx-spxx-defs.h File 12.86 KB 0644
cvmx-sriox-defs.h File 42.13 KB 0644
cvmx-srxx-defs.h File 4.49 KB 0644
cvmx-stxx-defs.h File 10.42 KB 0644
cvmx-sysinfo.h File 3.95 KB 0644
cvmx-uctlx-defs.h File 12.78 KB 0644
cvmx-wqe.h File 17.06 KB 0644
cvmx.h File 13.85 KB 0644
octeon-feature.h File 6.38 KB 0644
octeon-model.h File 16.49 KB 0644
octeon.h File 12.26 KB 0644
pci-octeon.h File 1.65 KB 0644