name : cvmx-helper-loop.h /***********************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