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/***********************license start***************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as published by
* the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful,
* but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
***********************license end**************************************/
/**
* @file
*
* Functions for LOOP initialization, configuration,
* and monitoring.
*
*/
#ifndef __CVMX_HELPER_LOOP_H__
#define __CVMX_HELPER_LOOP_H__
/**
* Probe a LOOP interface and determine the number of ports
* connected to it. The LOOP interface should still be down after
* this call.
*
* @interface: Interface to probe
*
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_loop_probe(int interface);
static inline int __cvmx_helper_loop_enumerate(int interface) {return 4; }
/**
* Bringup and enable a LOOP interface. After this call packet
* I/O should be fully functional. This is called with IPD
* enabled but PKO disabled.
*
* @interface: Interface to bring up
*
* Returns Zero on success, negative on failure
*/
extern int __cvmx_helper_loop_enable(int interface);
#endif