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); 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