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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 | #define DEBUGPRINT(format, ...) do { if (printk_ratelimit()) \ | |
29 | printk(format, ##__VA_ARGS__); \ | |
30 | } while (0) | |
31 | ||
32 | /** | |
ec977c5b | 33 | * cvm_oct_get_buffer_ptr - convert packet data address to pointer |
80ff0fd3 | 34 | * @packet_ptr: Packet data hardware address |
ec977c5b | 35 | * |
80ff0fd3 DD |
36 | * Returns Packet buffer pointer |
37 | */ | |
38 | static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr) | |
39 | { | |
40 | return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back) | |
41 | << 7); | |
42 | } | |
43 | ||
44 | /** | |
ec977c5b | 45 | * INTERFACE - convert IPD port to locgical interface |
80ff0fd3 DD |
46 | * @ipd_port: Port to check |
47 | * | |
48 | * Returns Logical interface | |
49 | */ | |
50 | static inline int INTERFACE(int ipd_port) | |
51 | { | |
52 | if (ipd_port < 32) /* Interface 0 or 1 for RGMII,GMII,SPI, etc */ | |
53 | return ipd_port >> 4; | |
54 | else if (ipd_port < 36) /* Interface 2 for NPI */ | |
55 | return 2; | |
56 | else if (ipd_port < 40) /* Interface 3 for loopback */ | |
57 | return 3; | |
58 | else if (ipd_port == 40) /* Non existant interface for POW0 */ | |
59 | return 4; | |
60 | else | |
61 | panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port); | |
62 | } | |
63 | ||
64 | /** | |
ec977c5b | 65 | * INDEX - convert IPD/PKO port number to the port's interface index |
80ff0fd3 DD |
66 | * @ipd_port: Port to check |
67 | * | |
68 | * Returns Index into interface port list | |
69 | */ | |
70 | static inline int INDEX(int ipd_port) | |
71 | { | |
72 | if (ipd_port < 32) | |
73 | return ipd_port & 15; | |
74 | else | |
75 | return ipd_port & 3; | |
76 | } |