856 lines
28 KiB
C
856 lines
28 KiB
C
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/*
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* AMD 10Gb Ethernet driver
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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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* Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
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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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* Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
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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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* * 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 <linux/spinlock.h>
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#include <linux/phy.h>
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#include <linux/net_tstamp.h>
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#include "xgbe.h"
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#include "xgbe-common.h"
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struct xgbe_stats {
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char stat_string[ETH_GSTRING_LEN];
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int stat_size;
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int stat_offset;
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};
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#define XGMAC_MMC_STAT(_string, _var) \
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{ _string, \
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sizeof_field(struct xgbe_mmc_stats, _var), \
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offsetof(struct xgbe_prv_data, mmc_stats._var), \
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}
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#define XGMAC_EXT_STAT(_string, _var) \
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{ _string, \
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sizeof_field(struct xgbe_ext_stats, _var), \
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offsetof(struct xgbe_prv_data, ext_stats._var), \
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}
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static const struct xgbe_stats xgbe_gstring_stats[] = {
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XGMAC_MMC_STAT("tx_bytes", txoctetcount_gb),
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XGMAC_MMC_STAT("tx_packets", txframecount_gb),
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XGMAC_MMC_STAT("tx_unicast_packets", txunicastframes_gb),
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XGMAC_MMC_STAT("tx_broadcast_packets", txbroadcastframes_gb),
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XGMAC_MMC_STAT("tx_multicast_packets", txmulticastframes_gb),
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XGMAC_MMC_STAT("tx_vlan_packets", txvlanframes_g),
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XGMAC_EXT_STAT("tx_vxlan_packets", tx_vxlan_packets),
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XGMAC_EXT_STAT("tx_tso_packets", tx_tso_packets),
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XGMAC_MMC_STAT("tx_64_byte_packets", tx64octets_gb),
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XGMAC_MMC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb),
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XGMAC_MMC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb),
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XGMAC_MMC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb),
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XGMAC_MMC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb),
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XGMAC_MMC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb),
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XGMAC_MMC_STAT("tx_underflow_errors", txunderflowerror),
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XGMAC_MMC_STAT("tx_pause_frames", txpauseframes),
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XGMAC_MMC_STAT("rx_bytes", rxoctetcount_gb),
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XGMAC_MMC_STAT("rx_packets", rxframecount_gb),
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XGMAC_MMC_STAT("rx_unicast_packets", rxunicastframes_g),
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XGMAC_MMC_STAT("rx_broadcast_packets", rxbroadcastframes_g),
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XGMAC_MMC_STAT("rx_multicast_packets", rxmulticastframes_g),
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XGMAC_MMC_STAT("rx_vlan_packets", rxvlanframes_gb),
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XGMAC_EXT_STAT("rx_vxlan_packets", rx_vxlan_packets),
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XGMAC_MMC_STAT("rx_64_byte_packets", rx64octets_gb),
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XGMAC_MMC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb),
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XGMAC_MMC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb),
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XGMAC_MMC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb),
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XGMAC_MMC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb),
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XGMAC_MMC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb),
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XGMAC_MMC_STAT("rx_undersize_packets", rxundersize_g),
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XGMAC_MMC_STAT("rx_oversize_packets", rxoversize_g),
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XGMAC_MMC_STAT("rx_crc_errors", rxcrcerror),
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XGMAC_MMC_STAT("rx_crc_errors_small_packets", rxrunterror),
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XGMAC_MMC_STAT("rx_crc_errors_giant_packets", rxjabbererror),
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XGMAC_MMC_STAT("rx_length_errors", rxlengtherror),
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XGMAC_MMC_STAT("rx_out_of_range_errors", rxoutofrangetype),
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XGMAC_MMC_STAT("rx_fifo_overflow_errors", rxfifooverflow),
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XGMAC_MMC_STAT("rx_watchdog_errors", rxwatchdogerror),
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XGMAC_EXT_STAT("rx_csum_errors", rx_csum_errors),
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XGMAC_EXT_STAT("rx_vxlan_csum_errors", rx_vxlan_csum_errors),
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XGMAC_MMC_STAT("rx_pause_frames", rxpauseframes),
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XGMAC_EXT_STAT("rx_split_header_packets", rx_split_header_packets),
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XGMAC_EXT_STAT("rx_buffer_unavailable", rx_buffer_unavailable),
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};
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#define XGBE_STATS_COUNT ARRAY_SIZE(xgbe_gstring_stats)
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static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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int i;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < XGBE_STATS_COUNT; i++) {
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memcpy(data, xgbe_gstring_stats[i].stat_string,
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ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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for (i = 0; i < pdata->tx_ring_count; i++) {
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sprintf(data, "txq_%u_packets", i);
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data += ETH_GSTRING_LEN;
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sprintf(data, "txq_%u_bytes", i);
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data += ETH_GSTRING_LEN;
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}
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for (i = 0; i < pdata->rx_ring_count; i++) {
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sprintf(data, "rxq_%u_packets", i);
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data += ETH_GSTRING_LEN;
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sprintf(data, "rxq_%u_bytes", i);
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data += ETH_GSTRING_LEN;
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}
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break;
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}
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}
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static void xgbe_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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u8 *stat;
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int i;
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pdata->hw_if.read_mmc_stats(pdata);
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for (i = 0; i < XGBE_STATS_COUNT; i++) {
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stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset;
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*data++ = *(u64 *)stat;
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}
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for (i = 0; i < pdata->tx_ring_count; i++) {
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*data++ = pdata->ext_stats.txq_packets[i];
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*data++ = pdata->ext_stats.txq_bytes[i];
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}
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for (i = 0; i < pdata->rx_ring_count; i++) {
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*data++ = pdata->ext_stats.rxq_packets[i];
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*data++ = pdata->ext_stats.rxq_bytes[i];
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}
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}
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static int xgbe_get_sset_count(struct net_device *netdev, int stringset)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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int ret;
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switch (stringset) {
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case ETH_SS_STATS:
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ret = XGBE_STATS_COUNT +
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(pdata->tx_ring_count * 2) +
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(pdata->rx_ring_count * 2);
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break;
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default:
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ret = -EOPNOTSUPP;
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}
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return ret;
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}
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static void xgbe_get_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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pause->autoneg = pdata->phy.pause_autoneg;
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pause->tx_pause = pdata->phy.tx_pause;
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pause->rx_pause = pdata->phy.rx_pause;
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}
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static int xgbe_set_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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struct ethtool_link_ksettings *lks = &pdata->phy.lks;
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int ret = 0;
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if (pause->autoneg && (pdata->phy.autoneg != AUTONEG_ENABLE)) {
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netdev_err(netdev,
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"autoneg disabled, pause autoneg not available\n");
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return -EINVAL;
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}
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pdata->phy.pause_autoneg = pause->autoneg;
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pdata->phy.tx_pause = pause->tx_pause;
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pdata->phy.rx_pause = pause->rx_pause;
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XGBE_CLR_ADV(lks, Pause);
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XGBE_CLR_ADV(lks, Asym_Pause);
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if (pause->rx_pause) {
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XGBE_SET_ADV(lks, Pause);
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XGBE_SET_ADV(lks, Asym_Pause);
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}
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if (pause->tx_pause) {
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/* Equivalent to XOR of Asym_Pause */
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if (XGBE_ADV(lks, Asym_Pause))
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XGBE_CLR_ADV(lks, Asym_Pause);
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else
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XGBE_SET_ADV(lks, Asym_Pause);
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}
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if (netif_running(netdev))
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ret = pdata->phy_if.phy_config_aneg(pdata);
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return ret;
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}
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static int xgbe_get_link_ksettings(struct net_device *netdev,
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struct ethtool_link_ksettings *cmd)
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{
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struct xgbe_prv_data *pdata = netdev_priv(netdev);
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struct ethtool_link_ksettings *lks = &pdata->phy.lks;
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||
|
|
cmd->base.phy_address = pdata->phy.address;
|
||
|
|
|
||
|
|
cmd->base.autoneg = pdata->phy.autoneg;
|
||
|
|
cmd->base.speed = pdata->phy.speed;
|
||
|
|
cmd->base.duplex = pdata->phy.duplex;
|
||
|
|
|
||
|
|
cmd->base.port = PORT_NONE;
|
||
|
|
|
||
|
|
XGBE_LM_COPY(cmd, supported, lks, supported);
|
||
|
|
XGBE_LM_COPY(cmd, advertising, lks, advertising);
|
||
|
|
XGBE_LM_COPY(cmd, lp_advertising, lks, lp_advertising);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_set_link_ksettings(struct net_device *netdev,
|
||
|
|
const struct ethtool_link_ksettings *cmd)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
|
||
|
|
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
|
||
|
|
u32 speed;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
speed = cmd->base.speed;
|
||
|
|
|
||
|
|
if (cmd->base.phy_address != pdata->phy.address) {
|
||
|
|
netdev_err(netdev, "invalid phy address %hhu\n",
|
||
|
|
cmd->base.phy_address);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((cmd->base.autoneg != AUTONEG_ENABLE) &&
|
||
|
|
(cmd->base.autoneg != AUTONEG_DISABLE)) {
|
||
|
|
netdev_err(netdev, "unsupported autoneg %hhu\n",
|
||
|
|
cmd->base.autoneg);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cmd->base.autoneg == AUTONEG_DISABLE) {
|
||
|
|
if (!pdata->phy_if.phy_valid_speed(pdata, speed)) {
|
||
|
|
netdev_err(netdev, "unsupported speed %u\n", speed);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cmd->base.duplex != DUPLEX_FULL) {
|
||
|
|
netdev_err(netdev, "unsupported duplex %hhu\n",
|
||
|
|
cmd->base.duplex);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
netif_dbg(pdata, link, netdev,
|
||
|
|
"requested advertisement 0x%*pb, phy supported 0x%*pb\n",
|
||
|
|
__ETHTOOL_LINK_MODE_MASK_NBITS, cmd->link_modes.advertising,
|
||
|
|
__ETHTOOL_LINK_MODE_MASK_NBITS, lks->link_modes.supported);
|
||
|
|
|
||
|
|
linkmode_and(advertising, cmd->link_modes.advertising,
|
||
|
|
lks->link_modes.supported);
|
||
|
|
|
||
|
|
if ((cmd->base.autoneg == AUTONEG_ENABLE) &&
|
||
|
|
bitmap_empty(advertising, __ETHTOOL_LINK_MODE_MASK_NBITS)) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"unsupported requested advertisement\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = 0;
|
||
|
|
pdata->phy.autoneg = cmd->base.autoneg;
|
||
|
|
pdata->phy.speed = speed;
|
||
|
|
pdata->phy.duplex = cmd->base.duplex;
|
||
|
|
linkmode_copy(lks->link_modes.advertising, advertising);
|
||
|
|
|
||
|
|
if (cmd->base.autoneg == AUTONEG_ENABLE)
|
||
|
|
XGBE_SET_ADV(lks, Autoneg);
|
||
|
|
else
|
||
|
|
XGBE_CLR_ADV(lks, Autoneg);
|
||
|
|
|
||
|
|
if (netif_running(netdev))
|
||
|
|
ret = pdata->phy_if.phy_config_aneg(pdata);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgbe_get_drvinfo(struct net_device *netdev,
|
||
|
|
struct ethtool_drvinfo *drvinfo)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
struct xgbe_hw_features *hw_feat = &pdata->hw_feat;
|
||
|
|
|
||
|
|
strscpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver));
|
||
|
|
strscpy(drvinfo->bus_info, dev_name(pdata->dev),
|
||
|
|
sizeof(drvinfo->bus_info));
|
||
|
|
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d",
|
||
|
|
XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER),
|
||
|
|
XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID),
|
||
|
|
XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER));
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 xgbe_get_msglevel(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
return pdata->msg_enable;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
pdata->msg_enable = msglevel;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_coalesce(struct net_device *netdev,
|
||
|
|
struct ethtool_coalesce *ec,
|
||
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
memset(ec, 0, sizeof(struct ethtool_coalesce));
|
||
|
|
|
||
|
|
ec->rx_coalesce_usecs = pdata->rx_usecs;
|
||
|
|
ec->rx_max_coalesced_frames = pdata->rx_frames;
|
||
|
|
|
||
|
|
ec->tx_max_coalesced_frames = pdata->tx_frames;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_set_coalesce(struct net_device *netdev,
|
||
|
|
struct ethtool_coalesce *ec,
|
||
|
|
struct kernel_ethtool_coalesce *kernel_coal,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
struct xgbe_hw_if *hw_if = &pdata->hw_if;
|
||
|
|
unsigned int rx_frames, rx_riwt, rx_usecs;
|
||
|
|
unsigned int tx_frames;
|
||
|
|
|
||
|
|
rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
|
||
|
|
rx_usecs = ec->rx_coalesce_usecs;
|
||
|
|
rx_frames = ec->rx_max_coalesced_frames;
|
||
|
|
|
||
|
|
/* Use smallest possible value if conversion resulted in zero */
|
||
|
|
if (rx_usecs && !rx_riwt)
|
||
|
|
rx_riwt = 1;
|
||
|
|
|
||
|
|
/* Check the bounds of values for Rx */
|
||
|
|
if (rx_riwt > XGMAC_MAX_DMA_RIWT) {
|
||
|
|
netdev_err(netdev, "rx-usec is limited to %d usecs\n",
|
||
|
|
hw_if->riwt_to_usec(pdata, XGMAC_MAX_DMA_RIWT));
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
if (rx_frames > pdata->rx_desc_count) {
|
||
|
|
netdev_err(netdev, "rx-frames is limited to %d frames\n",
|
||
|
|
pdata->rx_desc_count);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
tx_frames = ec->tx_max_coalesced_frames;
|
||
|
|
|
||
|
|
/* Check the bounds of values for Tx */
|
||
|
|
if (tx_frames > pdata->tx_desc_count) {
|
||
|
|
netdev_err(netdev, "tx-frames is limited to %d frames\n",
|
||
|
|
pdata->tx_desc_count);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
pdata->rx_riwt = rx_riwt;
|
||
|
|
pdata->rx_usecs = rx_usecs;
|
||
|
|
pdata->rx_frames = rx_frames;
|
||
|
|
hw_if->config_rx_coalesce(pdata);
|
||
|
|
|
||
|
|
pdata->tx_frames = tx_frames;
|
||
|
|
hw_if->config_tx_coalesce(pdata);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_rxnfc(struct net_device *netdev,
|
||
|
|
struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
switch (rxnfc->cmd) {
|
||
|
|
case ETHTOOL_GRXRINGS:
|
||
|
|
rxnfc->data = pdata->rx_ring_count;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 xgbe_get_rxfh_key_size(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
return sizeof(pdata->rss_key);
|
||
|
|
}
|
||
|
|
|
||
|
|
static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
return ARRAY_SIZE(pdata->rss_table);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
||
|
|
u8 *hfunc)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
if (indir) {
|
||
|
|
for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++)
|
||
|
|
indir[i] = XGMAC_GET_BITS(pdata->rss_table[i],
|
||
|
|
MAC_RSSDR, DMCH);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (key)
|
||
|
|
memcpy(key, pdata->rss_key, sizeof(pdata->rss_key));
|
||
|
|
|
||
|
|
if (hfunc)
|
||
|
|
*hfunc = ETH_RSS_HASH_TOP;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
|
||
|
|
const u8 *key, const u8 hfunc)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
struct xgbe_hw_if *hw_if = &pdata->hw_if;
|
||
|
|
unsigned int ret;
|
||
|
|
|
||
|
|
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) {
|
||
|
|
netdev_err(netdev, "unsupported hash function\n");
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (indir) {
|
||
|
|
ret = hw_if->set_rss_lookup_table(pdata, indir);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (key) {
|
||
|
|
ret = hw_if->set_rss_hash_key(pdata, key);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_ts_info(struct net_device *netdev,
|
||
|
|
struct ethtool_ts_info *ts_info)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
|
||
|
|
SOF_TIMESTAMPING_RX_SOFTWARE |
|
||
|
|
SOF_TIMESTAMPING_SOFTWARE |
|
||
|
|
SOF_TIMESTAMPING_TX_HARDWARE |
|
||
|
|
SOF_TIMESTAMPING_RX_HARDWARE |
|
||
|
|
SOF_TIMESTAMPING_RAW_HARDWARE;
|
||
|
|
|
||
|
|
if (pdata->ptp_clock)
|
||
|
|
ts_info->phc_index = ptp_clock_index(pdata->ptp_clock);
|
||
|
|
else
|
||
|
|
ts_info->phc_index = -1;
|
||
|
|
|
||
|
|
ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
|
||
|
|
ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
|
||
|
|
(1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
|
||
|
|
(1 << HWTSTAMP_FILTER_ALL);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_module_info(struct net_device *netdev,
|
||
|
|
struct ethtool_modinfo *modinfo)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
return pdata->phy_if.module_info(pdata, modinfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_get_module_eeprom(struct net_device *netdev,
|
||
|
|
struct ethtool_eeprom *eeprom, u8 *data)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
return pdata->phy_if.module_eeprom(pdata, eeprom, data);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
xgbe_get_ringparam(struct net_device *netdev,
|
||
|
|
struct ethtool_ringparam *ringparam,
|
||
|
|
struct kernel_ethtool_ringparam *kernel_ringparam,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
|
||
|
|
ringparam->rx_max_pending = XGBE_RX_DESC_CNT_MAX;
|
||
|
|
ringparam->tx_max_pending = XGBE_TX_DESC_CNT_MAX;
|
||
|
|
ringparam->rx_pending = pdata->rx_desc_count;
|
||
|
|
ringparam->tx_pending = pdata->tx_desc_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_set_ringparam(struct net_device *netdev,
|
||
|
|
struct ethtool_ringparam *ringparam,
|
||
|
|
struct kernel_ethtool_ringparam *kernel_ringparam,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
unsigned int rx, tx;
|
||
|
|
|
||
|
|
if (ringparam->rx_mini_pending || ringparam->rx_jumbo_pending) {
|
||
|
|
netdev_err(netdev, "unsupported ring parameter\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((ringparam->rx_pending < XGBE_RX_DESC_CNT_MIN) ||
|
||
|
|
(ringparam->rx_pending > XGBE_RX_DESC_CNT_MAX)) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"rx ring parameter must be between %u and %u\n",
|
||
|
|
XGBE_RX_DESC_CNT_MIN, XGBE_RX_DESC_CNT_MAX);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((ringparam->tx_pending < XGBE_TX_DESC_CNT_MIN) ||
|
||
|
|
(ringparam->tx_pending > XGBE_TX_DESC_CNT_MAX)) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"tx ring parameter must be between %u and %u\n",
|
||
|
|
XGBE_TX_DESC_CNT_MIN, XGBE_TX_DESC_CNT_MAX);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
rx = __rounddown_pow_of_two(ringparam->rx_pending);
|
||
|
|
if (rx != ringparam->rx_pending)
|
||
|
|
netdev_notice(netdev,
|
||
|
|
"rx ring parameter rounded to power of two: %u\n",
|
||
|
|
rx);
|
||
|
|
|
||
|
|
tx = __rounddown_pow_of_two(ringparam->tx_pending);
|
||
|
|
if (tx != ringparam->tx_pending)
|
||
|
|
netdev_notice(netdev,
|
||
|
|
"tx ring parameter rounded to power of two: %u\n",
|
||
|
|
tx);
|
||
|
|
|
||
|
|
if ((rx == pdata->rx_desc_count) &&
|
||
|
|
(tx == pdata->tx_desc_count))
|
||
|
|
goto out;
|
||
|
|
|
||
|
|
pdata->rx_desc_count = rx;
|
||
|
|
pdata->tx_desc_count = tx;
|
||
|
|
|
||
|
|
xgbe_restart_dev(pdata);
|
||
|
|
|
||
|
|
out:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgbe_get_channels(struct net_device *netdev,
|
||
|
|
struct ethtool_channels *channels)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
unsigned int rx, tx, combined;
|
||
|
|
|
||
|
|
/* Calculate maximums allowed:
|
||
|
|
* - Take into account the number of available IRQs
|
||
|
|
* - Do not take into account the number of online CPUs so that
|
||
|
|
* the user can over-subscribe if desired
|
||
|
|
* - Tx is additionally limited by the number of hardware queues
|
||
|
|
*/
|
||
|
|
rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
|
||
|
|
rx = min(rx, pdata->channel_irq_count);
|
||
|
|
tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
|
||
|
|
tx = min(tx, pdata->channel_irq_count);
|
||
|
|
tx = min(tx, pdata->tx_max_q_count);
|
||
|
|
|
||
|
|
combined = min(rx, tx);
|
||
|
|
|
||
|
|
channels->max_combined = combined;
|
||
|
|
channels->max_rx = rx ? rx - 1 : 0;
|
||
|
|
channels->max_tx = tx ? tx - 1 : 0;
|
||
|
|
|
||
|
|
/* Get current settings based on device state */
|
||
|
|
rx = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
|
||
|
|
tx = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
|
||
|
|
|
||
|
|
combined = min(rx, tx);
|
||
|
|
rx -= combined;
|
||
|
|
tx -= combined;
|
||
|
|
|
||
|
|
channels->combined_count = combined;
|
||
|
|
channels->rx_count = rx;
|
||
|
|
channels->tx_count = tx;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void xgbe_print_set_channels_input(struct net_device *netdev,
|
||
|
|
struct ethtool_channels *channels)
|
||
|
|
{
|
||
|
|
netdev_err(netdev, "channel inputs: combined=%u, rx-only=%u, tx-only=%u\n",
|
||
|
|
channels->combined_count, channels->rx_count,
|
||
|
|
channels->tx_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int xgbe_set_channels(struct net_device *netdev,
|
||
|
|
struct ethtool_channels *channels)
|
||
|
|
{
|
||
|
|
struct xgbe_prv_data *pdata = netdev_priv(netdev);
|
||
|
|
unsigned int rx, rx_curr, tx, tx_curr, combined;
|
||
|
|
|
||
|
|
/* Calculate maximums allowed:
|
||
|
|
* - Take into account the number of available IRQs
|
||
|
|
* - Do not take into account the number of online CPUs so that
|
||
|
|
* the user can over-subscribe if desired
|
||
|
|
* - Tx is additionally limited by the number of hardware queues
|
||
|
|
*/
|
||
|
|
rx = min(pdata->hw_feat.rx_ch_cnt, pdata->rx_max_channel_count);
|
||
|
|
rx = min(rx, pdata->channel_irq_count);
|
||
|
|
tx = min(pdata->hw_feat.tx_ch_cnt, pdata->tx_max_channel_count);
|
||
|
|
tx = min(tx, pdata->tx_max_q_count);
|
||
|
|
tx = min(tx, pdata->channel_irq_count);
|
||
|
|
|
||
|
|
combined = min(rx, tx);
|
||
|
|
|
||
|
|
/* Should not be setting other count */
|
||
|
|
if (channels->other_count) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"other channel count must be zero\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Require at least one Combined (Rx and Tx) channel */
|
||
|
|
if (!channels->combined_count) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"at least one combined Rx/Tx channel is required\n");
|
||
|
|
xgbe_print_set_channels_input(netdev, channels);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check combined channels */
|
||
|
|
if (channels->combined_count > combined) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"combined channel count cannot exceed %u\n",
|
||
|
|
combined);
|
||
|
|
xgbe_print_set_channels_input(netdev, channels);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Can have some Rx-only or Tx-only channels, but not both */
|
||
|
|
if (channels->rx_count && channels->tx_count) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"cannot specify both Rx-only and Tx-only channels\n");
|
||
|
|
xgbe_print_set_channels_input(netdev, channels);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check that we don't exceed the maximum number of channels */
|
||
|
|
if ((channels->combined_count + channels->rx_count) > rx) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"total Rx channels (%u) requested exceeds maximum available (%u)\n",
|
||
|
|
channels->combined_count + channels->rx_count, rx);
|
||
|
|
xgbe_print_set_channels_input(netdev, channels);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((channels->combined_count + channels->tx_count) > tx) {
|
||
|
|
netdev_err(netdev,
|
||
|
|
"total Tx channels (%u) requested exceeds maximum available (%u)\n",
|
||
|
|
channels->combined_count + channels->tx_count, tx);
|
||
|
|
xgbe_print_set_channels_input(netdev, channels);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
rx = channels->combined_count + channels->rx_count;
|
||
|
|
tx = channels->combined_count + channels->tx_count;
|
||
|
|
|
||
|
|
rx_curr = pdata->new_rx_ring_count ? : pdata->rx_ring_count;
|
||
|
|
tx_curr = pdata->new_tx_ring_count ? : pdata->tx_ring_count;
|
||
|
|
|
||
|
|
if ((rx == rx_curr) && (tx == tx_curr))
|
||
|
|
goto out;
|
||
|
|
|
||
|
|
pdata->new_rx_ring_count = rx;
|
||
|
|
pdata->new_tx_ring_count = tx;
|
||
|
|
|
||
|
|
xgbe_full_restart_dev(pdata);
|
||
|
|
|
||
|
|
out:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct ethtool_ops xgbe_ethtool_ops = {
|
||
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
|
||
|
|
ETHTOOL_COALESCE_MAX_FRAMES,
|
||
|
|
.get_drvinfo = xgbe_get_drvinfo,
|
||
|
|
.get_msglevel = xgbe_get_msglevel,
|
||
|
|
.set_msglevel = xgbe_set_msglevel,
|
||
|
|
.get_link = ethtool_op_get_link,
|
||
|
|
.get_coalesce = xgbe_get_coalesce,
|
||
|
|
.set_coalesce = xgbe_set_coalesce,
|
||
|
|
.get_pauseparam = xgbe_get_pauseparam,
|
||
|
|
.set_pauseparam = xgbe_set_pauseparam,
|
||
|
|
.get_strings = xgbe_get_strings,
|
||
|
|
.get_ethtool_stats = xgbe_get_ethtool_stats,
|
||
|
|
.get_sset_count = xgbe_get_sset_count,
|
||
|
|
.get_rxnfc = xgbe_get_rxnfc,
|
||
|
|
.get_rxfh_key_size = xgbe_get_rxfh_key_size,
|
||
|
|
.get_rxfh_indir_size = xgbe_get_rxfh_indir_size,
|
||
|
|
.get_rxfh = xgbe_get_rxfh,
|
||
|
|
.set_rxfh = xgbe_set_rxfh,
|
||
|
|
.get_ts_info = xgbe_get_ts_info,
|
||
|
|
.get_link_ksettings = xgbe_get_link_ksettings,
|
||
|
|
.set_link_ksettings = xgbe_set_link_ksettings,
|
||
|
|
.get_module_info = xgbe_get_module_info,
|
||
|
|
.get_module_eeprom = xgbe_get_module_eeprom,
|
||
|
|
.get_ringparam = xgbe_get_ringparam,
|
||
|
|
.set_ringparam = xgbe_set_ringparam,
|
||
|
|
.get_channels = xgbe_get_channels,
|
||
|
|
.set_channels = xgbe_set_channels,
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct ethtool_ops *xgbe_get_ethtool_ops(void)
|
||
|
|
{
|
||
|
|
return &xgbe_ethtool_ops;
|
||
|
|
}
|