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 /**
9  * cvm_oct_get_buffer_ptr - convert packet data address to pointer
10  * @packet_ptr: Packet data hardware address
11  *
12  * Returns Packet buffer pointer
13  */
cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)14 static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
15 {
16 	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
17 				<< 7);
18 }
19 
20 /**
21  * INTERFACE - convert IPD port to logical interface
22  * @ipd_port: Port to check
23  *
24  * Returns Logical interface
25  */
INTERFACE(int ipd_port)26 static inline int INTERFACE(int ipd_port)
27 {
28 	int interface;
29 
30 	if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
31 		return 10;
32 	interface = cvmx_helper_get_interface_num(ipd_port);
33 	if (interface >= 0)
34 		return interface;
35 	panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__);
36 }
37 
38 /**
39  * INDEX - convert IPD/PKO port number to the port's interface index
40  * @ipd_port: Port to check
41  *
42  * Returns Index into interface port list
43  */
INDEX(int ipd_port)44 static inline int INDEX(int ipd_port)
45 {
46 	return cvmx_helper_get_interface_index_num(ipd_port);
47 }
48