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/*
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* Copyright (c) 2010, Mentor Graphics Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the <ORGANIZATION> nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <openmcapi.h>
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/*************************************************************************
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*
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* FUNCTION
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*
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* mcapi_forward
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*
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* DESCRIPTION
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*
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* Forwards an MCAPI packet to another node.
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*
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* INPUTS
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*
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* *node_data A pointer to the global structure holding
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* data about the local node.
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* *mcapi_buf_ptr A pointer to the buffer to be forwarded.
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* dest_node The final destination node.
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*
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* OUTPUTS
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*
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* None.
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*
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*************************************************************************/
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void mcapi_forward(MCAPI_GLOBAL_DATA *node_data, MCAPI_BUFFER *mcapi_buf_ptr,
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mcapi_node_t dest_node)
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{
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MCAPI_ROUTE *route_ptr;
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mcapi_status_t status = -1;
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MCAPI_NODE *node_ptr;
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int node_idx;
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/* Get the index of the local node. */
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node_idx = mcapi_find_node(MCAPI_Node_ID, node_data);
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if (node_idx != -1)
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{
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/* Get a pointer to the local node. */
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node_ptr = &node_data->mcapi_node_list[node_idx];
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/* Find a route to the destination. */
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route_ptr = mcapi_find_route(dest_node, node_ptr);
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/* If a route was found. */
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if (route_ptr)
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{
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/* Pass the data to the transport layer driver. */
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status =
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route_ptr->mcapi_rt_int->mcapi_tx_output(mcapi_buf_ptr,
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mcapi_buf_ptr->buf_size,
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MCAPI_GET16(mcapi_buf_ptr->buf_ptr,
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MCAPI_PRIO_OFFSET), MCAPI_NULL);
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}
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}
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/* If the packet could not be forwarded. */
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if (status != MCAPI_SUCCESS)
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{
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((MCAPI_INTERFACE*)(mcapi_buf_ptr->mcapi_dev_ptr))->
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mcapi_recover_buffer(mcapi_buf_ptr);
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}
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}
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