1/**********************************************************************
 2 * Author: Cavium Networks
 3 *
 4 * Contact: support@caviumnetworks.com
 5 * This file is part of the OCTEON SDK
 6 *
 7 * Copyright (c) 2003-2007 Cavium Networks
 8 *
 9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT.  See the GNU General Public License for more
17 * details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this file; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 * or visit http://www.gnu.org/licenses/.
23 *
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26*********************************************************************/
27
28/**
29 * cvm_oct_get_buffer_ptr - convert packet data address to pointer
30 * @packet_ptr: Packet data hardware address
31 *
32 * Returns Packet buffer pointer
33 */
34static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
35{
36	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
37				<< 7);
38}
39
40/**
41 * INTERFACE - convert IPD port to logical interface
42 * @ipd_port: Port to check
43 *
44 * Returns Logical interface
45 */
46static inline int INTERFACE(int ipd_port)
47{
48	if (ipd_port < 32)	/* Interface 0 or 1 for RGMII,GMII,SPI, etc */
49		return ipd_port >> 4;
50	else if (ipd_port < 36)	/* Interface 2 for NPI */
51		return 2;
52	else if (ipd_port < 40)	/* Interface 3 for loopback */
53		return 3;
54	else if (ipd_port == 40)	/* Non existent interface for POW0 */
55		return 4;
56	else
57		panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port);
58}
59
60/**
61 * INDEX - convert IPD/PKO port number to the port's interface index
62 * @ipd_port: Port to check
63 *
64 * Returns Index into interface port list
65 */
66static inline int INDEX(int ipd_port)
67{
68	if (ipd_port < 32)
69		return ipd_port & 15;
70	else
71		return ipd_port & 3;
72}

 1/*
 2 * This file is based on code from OCTEON SDK by Cavium Networks.
 
 
 
 3 *
 4 * Copyright (c) 2003-2007 Cavium Networks
 5 *
 6 * This file is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License, Version 2, as
 8 * published by the Free Software Foundation.
 9 */
10
11#include <asm/octeon/cvmx-pip.h>
12#include <asm/octeon/cvmx-helper.h>
13#include <asm/octeon/cvmx-helper-util.h>
 
 
 
 
 
 
 
 
 
 
14
15/**
16 * cvm_oct_get_buffer_ptr - convert packet data address to pointer
17 * @packet_ptr: Packet data hardware address
18 *
19 * Returns Packet buffer pointer
20 */
21static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
22{
23	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
24				<< 7);
25}
26
27/**
28 * INTERFACE - convert IPD port to logical interface
29 * @ipd_port: Port to check
30 *
31 * Returns Logical interface
32 */
33static inline int INTERFACE(int ipd_port)
34{
35	int interface = cvmx_helper_get_interface_num(ipd_port);
36
37	if (interface >= 0)
38		return interface;
39	else if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
40		return 10;
41	panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port);
 
 
 
42}
43
44/**
45 * INDEX - convert IPD/PKO port number to the port's interface index
46 * @ipd_port: Port to check
47 *
48 * Returns Index into interface port list
49 */
50static inline int INDEX(int ipd_port)
51{
52	return cvmx_helper_get_interface_index_num(ipd_port);
 
 
 
53}