1af866496SDavid Daney /***********************license start***************
2af866496SDavid Daney * Author: Cavium Networks
3af866496SDavid Daney *
4af866496SDavid Daney * Contact: support@caviumnetworks.com
5af866496SDavid Daney * This file is part of the OCTEON SDK
6af866496SDavid Daney *
7af866496SDavid Daney * Copyright (c) 2003-2008 Cavium Networks
8af866496SDavid Daney *
9af866496SDavid Daney * This file is free software; you can redistribute it and/or modify
10af866496SDavid Daney * it under the terms of the GNU General Public License, Version 2, as published by
11af866496SDavid Daney * the Free Software Foundation.
12af866496SDavid Daney *
13af866496SDavid Daney * This file is distributed in the hope that it will be useful,
14af866496SDavid Daney * but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
15af866496SDavid Daney * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
16af866496SDavid Daney * See the GNU General Public License for more details.
17af866496SDavid Daney *
18af866496SDavid Daney * You should have received a copy of the GNU General Public License
19af866496SDavid Daney * along with this file; if not, write to the Free Software
20af866496SDavid Daney * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21af866496SDavid Daney * or visit http://www.gnu.org/licenses/.
22af866496SDavid Daney *
23af866496SDavid Daney * This file may also be available under a different license from Cavium.
24af866496SDavid Daney * Contact Cavium Networks for more information
25af866496SDavid Daney ***********************license end**************************************/
26af866496SDavid Daney
27af866496SDavid Daney /**
28af866496SDavid Daney * @file
29af866496SDavid Daney *
30af866496SDavid Daney * Functions for LOOP initialization, configuration,
31af866496SDavid Daney * and monitoring.
32af866496SDavid Daney *
33af866496SDavid Daney */
34af866496SDavid Daney #ifndef __CVMX_HELPER_LOOP_H__
35af866496SDavid Daney #define __CVMX_HELPER_LOOP_H__
36af866496SDavid Daney
37af866496SDavid Daney /**
38af866496SDavid Daney * Probe a LOOP interface and determine the number of ports
39af866496SDavid Daney * connected to it. The LOOP interface should still be down after
40af866496SDavid Daney * this call.
41af866496SDavid Daney *
42af866496SDavid Daney * @interface: Interface to probe
43af866496SDavid Daney *
44af866496SDavid Daney * Returns Number of ports on the interface. Zero to disable.
45af866496SDavid Daney */
46af866496SDavid Daney extern int __cvmx_helper_loop_probe(int interface);
__cvmx_helper_loop_enumerate(int interface)47*37d3bfd9SDavid Daney static inline int __cvmx_helper_loop_enumerate(int interface) {return 4; }
48af866496SDavid Daney
49af866496SDavid Daney /**
50af866496SDavid Daney * Bringup and enable a LOOP interface. After this call packet
51af866496SDavid Daney * I/O should be fully functional. This is called with IPD
52af866496SDavid Daney * enabled but PKO disabled.
53af866496SDavid Daney *
54af866496SDavid Daney * @interface: Interface to bring up
55af866496SDavid Daney *
56af866496SDavid Daney * Returns Zero on success, negative on failure
57af866496SDavid Daney */
58af866496SDavid Daney extern int __cvmx_helper_loop_enable(int interface);
59af866496SDavid Daney
60af866496SDavid Daney #endif
61