/***********************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
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