f-stack/freebsd/contrib/octeon-sdk/cvmx-helper-ilk.h

111 lines
3.6 KiB
C

/***********************license start***************
* Copyright (c) 2010 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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***********************license end**************************************/
/**
* @file
*
* Functions for ILK initialization, configuration,
* and monitoring.
*
* <hr>$Revision: 41586 $<hr>
*/
#ifndef __CVMX_HELPER_ILK_H__
#define __CVMX_HELPER_ILK_H__
extern int __cvmx_helper_ilk_enumerate(int interface);
/**
* @INTERNAL
* Probe a ILK interface and determine the number of ports
* connected to it. The ILK interface should still be down after
* this call.
*
* @param interface Interface to probe
*
* @return Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_ilk_probe(int interface);
/**
* @INTERNAL
* Bringup and enable a ILK interface. After this call packet
* I/O should be fully functional. This is called with IPD
* enabled but PKO disabled.
*
* @param interface Interface to bring up
*
* @return Zero on success, negative on failure
*/
extern int __cvmx_helper_ilk_enable(int interface);
/**
* @INTERNAL
* Return the link state of an IPD/PKO port as returned by ILK link status.
*
* @param ipd_port IPD/PKO port to query
*
* @return Link state
*/
extern cvmx_helper_link_info_t __cvmx_helper_ilk_link_get(int ipd_port);
/**
* @INTERNAL
* Configure an IPD/PKO port for the specified link state. This
* function does not influence auto negotiation at the PHY level.
* The passed link state must always match the link state returned
* by cvmx_helper_link_get(). It is normally best to use
* cvmx_helper_link_autoconf() instead.
*
* @param ipd_port IPD/PKO port to configure
* @param link_info The new link state
*
* @return Zero on success, negative on failure
*/
extern int __cvmx_helper_ilk_link_set(int ipd_port, cvmx_helper_link_info_t link_info);
extern void __cvmx_helper_ilk_show_stats (void);
#endif