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1 | /***********************license start*************** |
2 | * Author: Cavium Networks | |
3 | * | |
4 | * Contact: support@caviumnetworks.com | |
5 | * This file is part of the OCTEON SDK | |
6 | * | |
7 | * Copyright (c) 2003-2008 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 published by | |
11 | * the Free Software Foundation. | |
12 | * | |
13 | * This file is distributed in the hope that it will be useful, | |
14 | * but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. | |
16 | * See the GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this file; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | * or visit http://www.gnu.org/licenses/. | |
22 | * | |
23 | * This file may also be available under a different license from Cavium. | |
24 | * Contact Cavium Networks for more information | |
25 | ***********************license end**************************************/ | |
26 | ||
27 | /** | |
28 | * @file | |
29 | * | |
30 | * Functions for LOOP initialization, configuration, | |
31 | * and monitoring. | |
32 | * | |
33 | */ | |
34 | #ifndef __CVMX_HELPER_LOOP_H__ | |
35 | #define __CVMX_HELPER_LOOP_H__ | |
36 | ||
37 | /** | |
38 | * Probe a LOOP interface and determine the number of ports | |
39 | * connected to it. The LOOP interface should still be down after | |
40 | * this call. | |
41 | * | |
42 | * @interface: Interface to probe | |
43 | * | |
44 | * Returns Number of ports on the interface. Zero to disable. | |
45 | */ | |
46 | extern int __cvmx_helper_loop_probe(int interface); | |
47 | ||
48 | /** | |
49 | * Bringup and enable a LOOP interface. After this call packet | |
50 | * I/O should be fully functional. This is called with IPD | |
51 | * enabled but PKO disabled. | |
52 | * | |
53 | * @interface: Interface to bring up | |
54 | * | |
55 | * Returns Zero on success, negative on failure | |
56 | */ | |
57 | extern int __cvmx_helper_loop_enable(int interface); | |
58 | ||
59 | #endif |