|  | /***********************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 |