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852 lines
27 KiB
852 lines
27 KiB
/* |
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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 |
|
* and you. |
|
* |
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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 |
|
* Product with Synopsys or any supplement thereto. Permission is hereby |
|
* granted, free of charge, to any person obtaining a copy of this software |
|
* annotated with this license and the Software, to deal in the Software |
|
* without restriction, including without limitation the rights to use, |
|
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
|
* of the Software, and to permit persons to whom the Software is furnished |
|
* to do so, subject to the following conditions: |
|
* |
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* The above copyright notice and this permission notice shall be included |
|
* in all copies or substantial portions of the Software. |
|
* |
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* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" |
|
* BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
|
* 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 |
|
* 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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|
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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; |
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cmd->base.autoneg = pdata->phy.autoneg; |
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cmd->base.speed = pdata->phy.speed; |
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cmd->base.duplex = pdata->phy.duplex; |
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cmd->base.port = PORT_NONE; |
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XGBE_LM_COPY(cmd, supported, lks, supported); |
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XGBE_LM_COPY(cmd, advertising, lks, advertising); |
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XGBE_LM_COPY(cmd, lp_advertising, lks, lp_advertising); |
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return 0; |
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} |
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static int xgbe_set_link_ksettings(struct net_device *netdev, |
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const 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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__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); |
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u32 speed; |
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int ret; |
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speed = cmd->base.speed; |
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if (cmd->base.phy_address != pdata->phy.address) { |
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netdev_err(netdev, "invalid phy address %hhu\n", |
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cmd->base.phy_address); |
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return -EINVAL; |
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} |
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if ((cmd->base.autoneg != AUTONEG_ENABLE) && |
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(cmd->base.autoneg != AUTONEG_DISABLE)) { |
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netdev_err(netdev, "unsupported autoneg %hhu\n", |
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cmd->base.autoneg); |
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return -EINVAL; |
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} |
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if (cmd->base.autoneg == AUTONEG_DISABLE) { |
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if (!pdata->phy_if.phy_valid_speed(pdata, speed)) { |
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netdev_err(netdev, "unsupported speed %u\n", speed); |
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return -EINVAL; |
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} |
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if (cmd->base.duplex != DUPLEX_FULL) { |
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netdev_err(netdev, "unsupported duplex %hhu\n", |
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cmd->base.duplex); |
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return -EINVAL; |
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} |
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} |
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netif_dbg(pdata, link, netdev, |
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"requested advertisement 0x%*pb, phy supported 0x%*pb\n", |
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__ETHTOOL_LINK_MODE_MASK_NBITS, cmd->link_modes.advertising, |
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__ETHTOOL_LINK_MODE_MASK_NBITS, lks->link_modes.supported); |
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bitmap_and(advertising, |
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cmd->link_modes.advertising, lks->link_modes.supported, |
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__ETHTOOL_LINK_MODE_MASK_NBITS); |
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if ((cmd->base.autoneg == AUTONEG_ENABLE) && |
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bitmap_empty(advertising, __ETHTOOL_LINK_MODE_MASK_NBITS)) { |
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netdev_err(netdev, |
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"unsupported requested advertisement\n"); |
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return -EINVAL; |
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} |
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ret = 0; |
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pdata->phy.autoneg = cmd->base.autoneg; |
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pdata->phy.speed = speed; |
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pdata->phy.duplex = cmd->base.duplex; |
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bitmap_copy(lks->link_modes.advertising, advertising, |
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__ETHTOOL_LINK_MODE_MASK_NBITS); |
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|
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if (cmd->base.autoneg == AUTONEG_ENABLE) |
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XGBE_SET_ADV(lks, Autoneg); |
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else |
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XGBE_CLR_ADV(lks, Autoneg); |
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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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|
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return ret; |
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} |
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static void xgbe_get_drvinfo(struct net_device *netdev, |
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struct ethtool_drvinfo *drvinfo) |
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{ |
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struct xgbe_prv_data *pdata = netdev_priv(netdev); |
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struct xgbe_hw_features *hw_feat = &pdata->hw_feat; |
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|
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strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver)); |
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strlcpy(drvinfo->bus_info, dev_name(pdata->dev), |
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sizeof(drvinfo->bus_info)); |
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snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d", |
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XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER), |
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XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID), |
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XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER)); |
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} |
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static u32 xgbe_get_msglevel(struct net_device *netdev) |
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{ |
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struct xgbe_prv_data *pdata = netdev_priv(netdev); |
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return pdata->msg_enable; |
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} |
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static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel) |
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{ |
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struct xgbe_prv_data *pdata = netdev_priv(netdev); |
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pdata->msg_enable = msglevel; |
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} |
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static int xgbe_get_coalesce(struct net_device *netdev, |
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struct ethtool_coalesce *ec, |
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struct kernel_ethtool_coalesce *kernel_coal, |
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struct netlink_ext_ack *extack) |
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{ |
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struct xgbe_prv_data *pdata = netdev_priv(netdev); |
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memset(ec, 0, sizeof(struct ethtool_coalesce)); |
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ec->rx_coalesce_usecs = pdata->rx_usecs; |
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ec->rx_max_coalesced_frames = pdata->rx_frames; |
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ec->tx_max_coalesced_frames = pdata->tx_frames; |
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return 0; |
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} |
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static int xgbe_set_coalesce(struct net_device *netdev, |
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struct ethtool_coalesce *ec, |
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struct kernel_ethtool_coalesce *kernel_coal, |
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struct netlink_ext_ack *extack) |
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{ |
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struct xgbe_prv_data *pdata = netdev_priv(netdev); |
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struct xgbe_hw_if *hw_if = &pdata->hw_if; |
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unsigned int rx_frames, rx_riwt, rx_usecs; |
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unsigned int tx_frames; |
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rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs); |
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rx_usecs = ec->rx_coalesce_usecs; |
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rx_frames = ec->rx_max_coalesced_frames; |
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|
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/* Use smallest possible value if conversion resulted in zero */ |
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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 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 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; |
|
}
|
|
|