1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * This file is based on code from OCTEON SDK by Cavium Networks.
4  *
5  * Copyright (c) 2003-2007 Cavium Networks
6  */
7 
8 #include <asm/octeon/cvmx-pip.h>
9 #include <asm/octeon/cvmx-helper.h>
10 #include <asm/octeon/cvmx-helper-util.h>
11 
12 /**
13  * cvm_oct_get_buffer_ptr - convert packet data address to pointer
14  * @packet_ptr: Packet data hardware address
15  *
16  * Returns Packet buffer pointer
17  */
18 static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
19 {
20 	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
21 				<< 7);
22 }
23 
24 /**
25  * INTERFACE - convert IPD port to logical interface
26  * @ipd_port: Port to check
27  *
28  * Returns Logical interface
29  */
30 static inline int INTERFACE(int ipd_port)
31 {
32 	int interface;
33 
34 	if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
35 		return 10;
36 	interface = cvmx_helper_get_interface_num(ipd_port);
37 	if (interface >= 0)
38 		return interface;
39 	panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__);
40 }
41 
42 /**
43  * INDEX - convert IPD/PKO port number to the port's interface index
44  * @ipd_port: Port to check
45  *
46  * Returns Index into interface port list
47  */
48 static inline int INDEX(int ipd_port)
49 {
50 	return cvmx_helper_get_interface_index_num(ipd_port);
51 }
52