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https://github.com/freebsd/freebsd-src
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210 lines
8.1 KiB
C
210 lines
8.1 KiB
C
/*
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* AMD 10Gb Ethernet driver
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*
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* Copyright (c) 2014-2016,2020 Advanced Micro Devices, Inc.
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*
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* This file is available to you under your choice of the following two
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* licenses:
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*
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* License 1: GPLv2
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*
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* This file is free software; you may copy, redistribute and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or (at
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* your option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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* The Synopsys DWC ETHER XGMAC Software Driver and documentation
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* (hereinafter "Software") is an unsupported proprietary work of Synopsys,
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* Inc. unless otherwise expressly agreed to in writing between Synopsys
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* and you.
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*
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* The Software IS NOT an item of Licensed Software or Licensed Product
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* under any End User Software License Agreement or Agreement for Licensed
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* Product with Synopsys or any supplement thereto. Permission is hereby
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* granted, free of charge, to any person obtaining a copy of this software
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* annotated with this license and the Software, to deal in the Software
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* without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
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* BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
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* BE 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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* License 2: Modified BSD
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Advanced Micro Devices, Inc. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software 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 <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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* The Synopsys DWC ETHER XGMAC Software Driver and documentation
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* (hereinafter "Software") is an unsupported proprietary work of Synopsys,
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* Inc. unless otherwise expressly agreed to in writing between Synopsys
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* and you.
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*
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* The Software IS NOT an item of Licensed Software or Licensed Product
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* under any End User Software License Agreement or Agreement for Licensed
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* Product with Synopsys or any supplement thereto. Permission is hereby
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* granted, free of charge, to any person obtaining a copy of this software
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* annotated with this license and the Software, to deal in the Software
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* without restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
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* BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
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* BE 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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include "xgbe.h"
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#include "xgbe-common.h"
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static void
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xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata)
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{
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struct xgbe_hw_if *hw_if = &pdata->hw_if;
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struct xgbe_channel *channel;
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struct xgbe_ring *ring;
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struct xgbe_ring_data *rdata;
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struct xgbe_ring_desc *rdesc;
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bus_addr_t rdesc_paddr;
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unsigned int i, j;
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DBGPR("-->xgbe_wrapper_tx_descriptor_init\n");
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for (i = 0; i < pdata->channel_count; i++) {
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channel = pdata->channel[i];
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ring = channel->tx_ring;
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if (!ring)
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break;
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rdesc = ring->rdesc;
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rdesc_paddr = ring->rdesc_paddr;
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for (j = 0; j < ring->rdesc_count; j++) {
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rdata = XGBE_GET_DESC_DATA(ring, j);
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rdata->rdesc = rdesc;
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rdata->rdata_paddr = rdesc_paddr;
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rdesc++;
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rdesc_paddr += sizeof(struct xgbe_ring_desc);
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}
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ring->cur = 0;
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ring->dirty = 0;
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memset(&ring->tx, 0, sizeof(ring->tx));
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hw_if->tx_desc_init(channel);
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}
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DBGPR("<--xgbe_wrapper_tx_descriptor_init\n");
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}
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static void
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xgbe_wrapper_rx_descriptor_init(struct xgbe_prv_data *pdata)
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{
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struct xgbe_hw_if *hw_if = &pdata->hw_if;
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struct xgbe_channel *channel;
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struct xgbe_ring *ring;
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struct xgbe_ring_desc *rdesc;
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struct xgbe_ring_data *rdata;
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bus_addr_t rdesc_paddr;
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unsigned int i, j;
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DBGPR("-->xgbe_wrapper_rx_descriptor_init\n");
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for (i = 0; i < pdata->channel_count; i++) {
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channel = pdata->channel[i];
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ring = channel->rx_ring;
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if (!ring)
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break;
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rdesc = ring->rdesc;
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rdesc_paddr = ring->rdesc_paddr;
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for (j = 0; j < ring->rdesc_count; j++) {
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rdata = XGBE_GET_DESC_DATA(ring, j);
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rdata->rdesc = rdesc;
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rdata->rdata_paddr = rdesc_paddr;
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rdesc++;
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rdesc_paddr += sizeof(struct xgbe_ring_desc);
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}
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ring->cur = 0;
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ring->dirty = 0;
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hw_if->rx_desc_init(channel);
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}
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}
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void
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xgbe_init_function_ptrs_desc(struct xgbe_desc_if *desc_if)
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{
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desc_if->wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init;
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desc_if->wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init;
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}
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