diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 226 |
1 files changed, 73 insertions, 153 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c index 6e83ff59172a..0d19b09497a0 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c @@ -1,117 +1,8 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) /* - * AMD 10Gb Ethernet driver - * - * This file is available to you under your choice of the following two - * licenses: - * - * License 1: GPLv2 - * - * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. - * - * This file is free software; you may copy, redistribute and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or (at - * your option) any later version. - * - * This file is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * This file incorporates work covered by the following copyright and - * permission notice: - * The Synopsys DWC ETHER XGMAC Software Driver and documentation - * (hereinafter "Software") is an unsupported proprietary work of Synopsys, - * Inc. unless otherwise expressly agreed to in writing between Synopsys - * and you. - * - * The Software IS NOT an item of Licensed Software or Licensed Product - * 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: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * 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 - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - * - * - * License 2: Modified BSD - * - * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Advanced Micro Devices, Inc. nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * This file incorporates work covered by the following copyright and - * permission notice: - * The Synopsys DWC ETHER XGMAC Software Driver and documentation - * (hereinafter "Software") is an unsupported proprietary work of Synopsys, - * Inc. unless otherwise expressly agreed to in writing between Synopsys - * and you. - * - * The Software IS NOT an item of Licensed Software or Licensed Product - * 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: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * 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 - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. + * Copyright (c) 2014-2025, Advanced Micro Devices, Inc. + * Copyright (c) 2014, Synopsys, Inc. + * All rights reserved */ #include <linux/spinlock.h> @@ -194,24 +85,23 @@ static void xgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data) int i; switch (stringset) { + case ETH_SS_TEST: + xgbe_selftest_get_strings(pdata, data); + break; case ETH_SS_STATS: - for (i = 0; i < XGBE_STATS_COUNT; i++) { - memcpy(data, xgbe_gstring_stats[i].stat_string, - ETH_GSTRING_LEN); - data += ETH_GSTRING_LEN; - } + for (i = 0; i < XGBE_STATS_COUNT; i++) + ethtool_puts(&data, xgbe_gstring_stats[i].stat_string); + for (i = 0; i < pdata->tx_ring_count; i++) { - sprintf(data, "txq_%u_packets", i); - data += ETH_GSTRING_LEN; - sprintf(data, "txq_%u_bytes", i); - data += ETH_GSTRING_LEN; + ethtool_sprintf(&data, "txq_%u_packets", i); + ethtool_sprintf(&data, "txq_%u_bytes", i); } + for (i = 0; i < pdata->rx_ring_count; i++) { - sprintf(data, "rxq_%u_packets", i); - data += ETH_GSTRING_LEN; - sprintf(data, "rxq_%u_bytes", i); - data += ETH_GSTRING_LEN; + ethtool_sprintf(&data, "rxq_%u_packets", i); + ethtool_sprintf(&data, "rxq_%u_bytes", i); } + break; } } @@ -244,6 +134,9 @@ static int xgbe_get_sset_count(struct net_device *netdev, int stringset) int ret; switch (stringset) { + case ETH_SS_TEST: + ret = xgbe_selftest_get_count(pdata); + break; case ETH_SS_STATS: ret = XGBE_STATS_COUNT + (pdata->tx_ring_count * 2) + @@ -314,10 +207,15 @@ static int xgbe_get_link_ksettings(struct net_device *netdev, 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; + if (netif_carrier_ok(netdev)) { + cmd->base.speed = pdata->phy.speed; + cmd->base.duplex = pdata->phy.duplex; + } else { + cmd->base.speed = SPEED_UNKNOWN; + cmd->base.duplex = DUPLEX_UNKNOWN; + } + cmd->base.autoneg = pdata->phy.autoneg; cmd->base.port = PORT_NONE; XGBE_LM_COPY(cmd, supported, lks, supported); @@ -437,6 +335,7 @@ static int xgbe_get_coalesce(struct net_device *netdev, ec->rx_coalesce_usecs = pdata->rx_usecs; ec->rx_max_coalesced_frames = pdata->rx_frames; + ec->tx_coalesce_usecs = pdata->tx_usecs; ec->tx_max_coalesced_frames = pdata->tx_frames; return 0; @@ -450,7 +349,8 @@ static int xgbe_set_coalesce(struct net_device *netdev, 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; + unsigned int tx_frames, tx_usecs; + unsigned int jiffy_us = jiffies_to_usecs(1); rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs); rx_usecs = ec->rx_coalesce_usecs; @@ -472,20 +372,42 @@ static int xgbe_set_coalesce(struct net_device *netdev, return -EINVAL; } + tx_usecs = ec->tx_coalesce_usecs; tx_frames = ec->tx_max_coalesced_frames; /* Check the bounds of values for Tx */ + if (!tx_usecs) { + NL_SET_ERR_MSG_FMT_MOD(extack, + "tx-usecs must not be 0"); + return -EINVAL; + } + if (tx_usecs > XGMAC_MAX_COAL_TX_TICK) { + NL_SET_ERR_MSG_FMT_MOD(extack, "tx-usecs is limited to %d usec", + XGMAC_MAX_COAL_TX_TICK); + return -EINVAL; + } if (tx_frames > pdata->tx_desc_count) { netdev_err(netdev, "tx-frames is limited to %d frames\n", pdata->tx_desc_count); return -EINVAL; } + /* Round tx-usecs to nearest multiple of jiffy granularity */ + if (tx_usecs % jiffy_us) { + tx_usecs = rounddown(tx_usecs, jiffy_us); + if (!tx_usecs) + tx_usecs = jiffy_us; + NL_SET_ERR_MSG_FMT_MOD(extack, + "tx-usecs rounded to %u usec due to jiffy granularity (%u usec)", + tx_usecs, jiffy_us); + } + pdata->rx_riwt = rx_riwt; pdata->rx_usecs = rx_usecs; pdata->rx_frames = rx_frames; hw_if->config_rx_coalesce(pdata); + pdata->tx_usecs = tx_usecs; pdata->tx_frames = tx_frames; hw_if->config_tx_coalesce(pdata); @@ -522,47 +444,48 @@ static u32 xgbe_get_rxfh_indir_size(struct net_device *netdev) return ARRAY_SIZE(pdata->rss_table); } -static int xgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) +static int xgbe_get_rxfh(struct net_device *netdev, + struct ethtool_rxfh_param *rxfh) { struct xgbe_prv_data *pdata = netdev_priv(netdev); unsigned int i; - if (indir) { + if (rxfh->indir) { for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++) - indir[i] = XGMAC_GET_BITS(pdata->rss_table[i], - MAC_RSSDR, DMCH); + rxfh->indir[i] = XGMAC_GET_BITS(pdata->rss_table[i], + MAC_RSSDR, DMCH); } - if (key) - memcpy(key, pdata->rss_key, sizeof(pdata->rss_key)); + if (rxfh->key) + memcpy(rxfh->key, pdata->rss_key, sizeof(pdata->rss_key)); - if (hfunc) - *hfunc = ETH_RSS_HASH_TOP; + rxfh->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) +static int xgbe_set_rxfh(struct net_device *netdev, + struct ethtool_rxfh_param *rxfh, + struct netlink_ext_ack *extack) { struct xgbe_prv_data *pdata = netdev_priv(netdev); struct xgbe_hw_if *hw_if = &pdata->hw_if; - unsigned int ret; + int ret; - if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) { + if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && + rxfh->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 (rxfh->indir) { + ret = hw_if->set_rss_lookup_table(pdata, rxfh->indir); if (ret) return ret; } - if (key) { - ret = hw_if->set_rss_hash_key(pdata, key); + if (rxfh->key) { + ret = hw_if->set_rss_hash_key(pdata, rxfh->key); if (ret) return ret; } @@ -571,21 +494,17 @@ static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir, } static int xgbe_get_ts_info(struct net_device *netdev, - struct ethtool_ts_info *ts_info) + struct kernel_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) | @@ -820,7 +739,7 @@ out: } static const struct ethtool_ops xgbe_ethtool_ops = { - .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES, .get_drvinfo = xgbe_get_drvinfo, .get_msglevel = xgbe_get_msglevel, @@ -847,6 +766,7 @@ static const struct ethtool_ops xgbe_ethtool_ops = { .set_ringparam = xgbe_set_ringparam, .get_channels = xgbe_get_channels, .set_channels = xgbe_set_channels, + .self_test = xgbe_selftest_run, }; const struct ethtool_ops *xgbe_get_ethtool_ops(void) |