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Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-packet.h')
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diff --git a/arch/mips/include/asm/octeon/cvmx-packet.h b/arch/mips/include/asm/octeon/cvmx-packet.h
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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 {
+ /* 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;
+ } s;
+};
+
+#endif /* __CVMX_PACKET_H__ */