1/*************************************************************************
2SPDX-License-Identifier: BSD-3-Clause
3
4Copyright (c) 2003-2007  Cavium Networks (support@cavium.com). All rights
5reserved.
6
7
8Redistribution and use in source and binary forms, with or without
9modification, are permitted provided that the following conditions are
10met:
11
12    * Redistributions of source code must retain the above copyright
13      notice, this list of conditions and the following disclaimer.
14
15    * Redistributions in binary form must reproduce the above
16      copyright notice, this list of conditions and the following
17      disclaimer in the documentation and/or other materials provided
18      with the distribution.
19
20    * Neither the name of Cavium Networks nor the names of
21      its contributors may be used to endorse or promote products
22      derived from this software without specific prior written
23      permission.
24
25This Software, including technical data, may be subject to U.S. export  control laws, including the U.S. Export Administration Act and its  associated regulations, and may be subject to export or import  regulations in other countries.
26
27TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
28AND WITH ALL FAULTS AND CAVIUM  NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
29
30*************************************************************************/
31/* $FreeBSD$ */
32
33#define DEBUGPRINT(format, ...) printf(format, ##__VA_ARGS__)
34
35/**
36 * Given a packet data address, return a pointer to the
37 * beginning of the packet buffer.
38 *
39 * @param packet_ptr Packet data hardware address
40 * @return Packet buffer pointer
41 */
42static inline char *cvm_oct_get_buffer_ptr(cvmx_buf_ptr_t packet_ptr)
43{
44	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7);
45}
46
47
48/**
49 * Given an IPD/PKO port number, return the logical interface it is
50 * on.
51 *
52 * @param ipd_port Port to check
53 *
54 * @return Logical interface
55 */
56static inline int INTERFACE(int ipd_port)
57{
58	if (ipd_port < 32)    /* Interface 0 or 1 for RGMII,GMII,SPI, etc */
59		return ipd_port>>4;
60	else if (ipd_port < 36)   /* Interface 2 for NPI */
61		return 2;
62	else if (ipd_port < 40)   /* Interface 3 for loopback */
63		return 3;
64	else if (ipd_port == 40)  /* Non existant interface for POW0 */
65		return 4;
66	else
67		panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port);
68}
69
70
71/**
72 * Given an IPD/PKO port number, return the port's index on a
73 * logical interface.
74 *
75 * @param ipd_port Port to check
76 *
77 * @return Index into interface port list
78 */
79static inline int INDEX(int ipd_port)
80{
81	if (ipd_port < 32)
82		return ipd_port & 15;
83	else
84		return ipd_port & 3;
85}
86
87