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/***********************license start***********************************
* Copyright (c) 2003-2017 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 THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Thunder Network Switch interface.
*
* $Revision$
*
* @addtogroup hal
* @{
*/
/**
* Initialize the TNS block to enable clocks, allow register accesses, and
* perform some basic initialization in anticipation of future packet
* processing.
*
* TNS at power-up will be in BYPASS mode where packets from the vNIC pipes
* to the BGX ports will be direct, and this will not change that.
*
* This is normally called automatically in bdk-init-main.c.
*
* @param node Node to initialize
*
* @return Zero on success, negative on failure
*/
extern int bdk_tns_initialize(bdk_node_t node) BDK_WEAK;
/**
* Disable TNS from processing packets. After this, TNS must be fully
* initialized. The NIC and BGX blocks must already be stopped before
* calling this function.
*
* Nota Bene: In CN88XX_PASS_1 there is a bug that prevents TNS DataPath
* from draining packets. So ensure that NIC and BGX have
* also drained their packet queues.
*
* @param node
*
* @return Zero on success, negative on failure
*/
extern int bdk_tns_shutdown(bdk_node_t node);
/**
* Set the TNS 'profile' to passthru. I.e. do the necessary writes
* to the TNS datapath and TNS sst (Search, SDE, and TxQ) registers
* to configure the TNS to allow vNIC0..vNIC7 <-> LMAC0..LMAC7 traffic
* to flow straight through TNS (although the actual enabling of using
* the TNS is done elsewhere (in traffic-gen.))
*
* @param node Node to configure
*
* @return Zero on success, negative on failure
*/
extern int bdk_tns_profile_passthru(bdk_node_t node) BDK_WEAK;
/**
* Set the TNS 'profile' to bgxloopback. I.e. do the necessary writes
* to the TNS datapath and TNS sst (Search, SDE, and TxQ) registers
* to configure the TNS to allow any packets received on LMAC0..LMAC7
* (BGX ports) to be reflected back to the same port after hitting the
* TNS (although the actual enabling of using the TNS is done elsewhere
* (in traffic-gen.))
*
* @param node Node to configure
*
* @return Zero on success, negative on failure
*/
extern int bdk_tns_profile_bgxloopback(bdk_node_t node) BDK_WEAK;
/** @} */
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