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604 lines
16 KiB
604 lines
16 KiB
/* Copyright 2008-2016 Freescale Semiconductor, Inc. |
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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 Freescale Semiconductor 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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* |
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* ALTERNATIVELY, this software may be distributed under the terms of the |
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* GNU General Public License ("GPL") as published by the Free Software |
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* Foundation, either version 2 of that License or (at your option) any |
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* later version. |
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* |
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* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor 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 THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/string.h> |
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#include <linux/of_platform.h> |
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#include <linux/net_tstamp.h> |
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#include <linux/fsl/ptp_qoriq.h> |
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|
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#include "dpaa_eth.h" |
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#include "mac.h" |
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static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = { |
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"interrupts", |
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"rx packets", |
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"tx packets", |
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"tx confirm", |
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"tx S/G", |
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"tx error", |
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"rx error", |
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"rx dropped", |
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"tx dropped", |
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}; |
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static char dpaa_stats_global[][ETH_GSTRING_LEN] = { |
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/* dpa rx errors */ |
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"rx dma error", |
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"rx frame physical error", |
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"rx frame size error", |
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"rx header error", |
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|
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/* demultiplexing errors */ |
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"qman cg_tdrop", |
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"qman wred", |
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"qman error cond", |
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"qman early window", |
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"qman late window", |
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"qman fq tdrop", |
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"qman fq retired", |
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"qman orp disabled", |
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/* congestion related stats */ |
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"congestion time (ms)", |
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"entered congestion", |
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"congested (0/1)" |
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}; |
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#define DPAA_STATS_PERCPU_LEN ARRAY_SIZE(dpaa_stats_percpu) |
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#define DPAA_STATS_GLOBAL_LEN ARRAY_SIZE(dpaa_stats_global) |
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static int dpaa_get_link_ksettings(struct net_device *net_dev, |
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struct ethtool_link_ksettings *cmd) |
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{ |
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if (!net_dev->phydev) |
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return 0; |
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phy_ethtool_ksettings_get(net_dev->phydev, cmd); |
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return 0; |
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} |
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static int dpaa_set_link_ksettings(struct net_device *net_dev, |
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const struct ethtool_link_ksettings *cmd) |
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{ |
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int err; |
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if (!net_dev->phydev) |
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return -ENODEV; |
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err = phy_ethtool_ksettings_set(net_dev->phydev, cmd); |
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if (err < 0) |
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netdev_err(net_dev, "phy_ethtool_ksettings_set() = %d\n", err); |
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return err; |
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} |
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static void dpaa_get_drvinfo(struct net_device *net_dev, |
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struct ethtool_drvinfo *drvinfo) |
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{ |
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strlcpy(drvinfo->driver, KBUILD_MODNAME, |
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sizeof(drvinfo->driver)); |
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strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent), |
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sizeof(drvinfo->bus_info)); |
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} |
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static u32 dpaa_get_msglevel(struct net_device *net_dev) |
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{ |
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return ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable; |
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} |
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static void dpaa_set_msglevel(struct net_device *net_dev, |
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u32 msg_enable) |
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{ |
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((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable = msg_enable; |
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} |
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static int dpaa_nway_reset(struct net_device *net_dev) |
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{ |
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int err; |
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if (!net_dev->phydev) |
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return -ENODEV; |
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err = 0; |
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if (net_dev->phydev->autoneg) { |
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err = phy_start_aneg(net_dev->phydev); |
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if (err < 0) |
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netdev_err(net_dev, "phy_start_aneg() = %d\n", |
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err); |
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} |
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return err; |
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} |
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static void dpaa_get_pauseparam(struct net_device *net_dev, |
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struct ethtool_pauseparam *epause) |
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{ |
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struct mac_device *mac_dev; |
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struct dpaa_priv *priv; |
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priv = netdev_priv(net_dev); |
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mac_dev = priv->mac_dev; |
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if (!net_dev->phydev) |
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return; |
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epause->autoneg = mac_dev->autoneg_pause; |
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epause->rx_pause = mac_dev->rx_pause_active; |
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epause->tx_pause = mac_dev->tx_pause_active; |
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} |
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static int dpaa_set_pauseparam(struct net_device *net_dev, |
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struct ethtool_pauseparam *epause) |
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{ |
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struct mac_device *mac_dev; |
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struct phy_device *phydev; |
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bool rx_pause, tx_pause; |
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struct dpaa_priv *priv; |
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int err; |
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priv = netdev_priv(net_dev); |
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mac_dev = priv->mac_dev; |
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phydev = net_dev->phydev; |
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if (!phydev) { |
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netdev_err(net_dev, "phy device not initialized\n"); |
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return -ENODEV; |
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} |
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if (!phy_validate_pause(phydev, epause)) |
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return -EINVAL; |
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/* The MAC should know how to handle PAUSE frame autonegotiation before |
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* adjust_link is triggered by a forced renegotiation of sym/asym PAUSE |
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* settings. |
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*/ |
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mac_dev->autoneg_pause = !!epause->autoneg; |
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mac_dev->rx_pause_req = !!epause->rx_pause; |
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mac_dev->tx_pause_req = !!epause->tx_pause; |
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/* Determine the sym/asym advertised PAUSE capabilities from the desired |
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* rx/tx pause settings. |
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*/ |
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phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause); |
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fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); |
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err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); |
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if (err < 0) |
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netdev_err(net_dev, "set_mac_active_pause() = %d\n", err); |
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return err; |
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} |
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static int dpaa_get_sset_count(struct net_device *net_dev, int type) |
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{ |
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unsigned int total_stats, num_stats; |
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num_stats = num_online_cpus() + 1; |
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total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + 1) + |
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DPAA_STATS_GLOBAL_LEN; |
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switch (type) { |
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case ETH_SS_STATS: |
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return total_stats; |
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default: |
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return -EOPNOTSUPP; |
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} |
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} |
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static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus, |
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int crr_cpu, u64 bp_count, u64 *data) |
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{ |
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int num_values = num_cpus + 1; |
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int crr = 0; |
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/* update current CPU's stats and also add them to the total values */ |
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data[crr * num_values + crr_cpu] = percpu_priv->in_interrupt; |
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data[crr++ * num_values + num_cpus] += percpu_priv->in_interrupt; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_packets; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_packets; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_packets; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_packets; |
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data[crr * num_values + crr_cpu] = percpu_priv->tx_confirm; |
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data[crr++ * num_values + num_cpus] += percpu_priv->tx_confirm; |
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data[crr * num_values + crr_cpu] = percpu_priv->tx_frag_skbuffs; |
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data[crr++ * num_values + num_cpus] += percpu_priv->tx_frag_skbuffs; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_errors; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_errors; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_dropped; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_dropped; |
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data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_dropped; |
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data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_dropped; |
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data[crr * num_values + crr_cpu] = bp_count; |
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data[crr++ * num_values + num_cpus] += bp_count; |
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} |
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static void dpaa_get_ethtool_stats(struct net_device *net_dev, |
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struct ethtool_stats *stats, u64 *data) |
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{ |
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struct dpaa_percpu_priv *percpu_priv; |
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struct dpaa_rx_errors rx_errors; |
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unsigned int num_cpus, offset; |
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u64 bp_count, cg_time, cg_num; |
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struct dpaa_ern_cnt ern_cnt; |
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struct dpaa_bp *dpaa_bp; |
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struct dpaa_priv *priv; |
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int total_stats, i; |
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bool cg_status; |
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total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS); |
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priv = netdev_priv(net_dev); |
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num_cpus = num_online_cpus(); |
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memset(&bp_count, 0, sizeof(bp_count)); |
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memset(&rx_errors, 0, sizeof(struct dpaa_rx_errors)); |
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memset(&ern_cnt, 0, sizeof(struct dpaa_ern_cnt)); |
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memset(data, 0, total_stats * sizeof(u64)); |
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for_each_online_cpu(i) { |
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percpu_priv = per_cpu_ptr(priv->percpu_priv, i); |
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dpaa_bp = priv->dpaa_bp; |
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if (!dpaa_bp->percpu_count) |
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continue; |
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bp_count = *(per_cpu_ptr(dpaa_bp->percpu_count, i)); |
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rx_errors.dme += percpu_priv->rx_errors.dme; |
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rx_errors.fpe += percpu_priv->rx_errors.fpe; |
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rx_errors.fse += percpu_priv->rx_errors.fse; |
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rx_errors.phe += percpu_priv->rx_errors.phe; |
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ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop; |
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ern_cnt.wred += percpu_priv->ern_cnt.wred; |
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ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond; |
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ern_cnt.early_window += percpu_priv->ern_cnt.early_window; |
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ern_cnt.late_window += percpu_priv->ern_cnt.late_window; |
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ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop; |
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ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired; |
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ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero; |
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copy_stats(percpu_priv, num_cpus, i, bp_count, data); |
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} |
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offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + 1); |
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memcpy(data + offset, &rx_errors, sizeof(struct dpaa_rx_errors)); |
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offset += sizeof(struct dpaa_rx_errors) / sizeof(u64); |
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memcpy(data + offset, &ern_cnt, sizeof(struct dpaa_ern_cnt)); |
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/* gather congestion related counters */ |
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cg_num = 0; |
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cg_status = false; |
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cg_time = jiffies_to_msecs(priv->cgr_data.congested_jiffies); |
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if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) { |
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cg_num = priv->cgr_data.cgr_congested_count; |
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/* reset congestion stats (like QMan API does */ |
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priv->cgr_data.congested_jiffies = 0; |
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priv->cgr_data.cgr_congested_count = 0; |
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} |
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offset += sizeof(struct dpaa_ern_cnt) / sizeof(u64); |
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data[offset++] = cg_time; |
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data[offset++] = cg_num; |
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data[offset++] = cg_status; |
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} |
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static void dpaa_get_strings(struct net_device *net_dev, u32 stringset, |
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u8 *data) |
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{ |
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unsigned int i, j, num_cpus, size; |
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char string_cpu[ETH_GSTRING_LEN]; |
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u8 *strings; |
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memset(string_cpu, 0, sizeof(string_cpu)); |
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strings = data; |
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num_cpus = num_online_cpus(); |
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size = DPAA_STATS_GLOBAL_LEN * ETH_GSTRING_LEN; |
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for (i = 0; i < DPAA_STATS_PERCPU_LEN; i++) { |
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for (j = 0; j < num_cpus; j++) { |
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snprintf(string_cpu, ETH_GSTRING_LEN, "%s [CPU %d]", |
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dpaa_stats_percpu[i], j); |
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memcpy(strings, string_cpu, ETH_GSTRING_LEN); |
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strings += ETH_GSTRING_LEN; |
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} |
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snprintf(string_cpu, ETH_GSTRING_LEN, "%s [TOTAL]", |
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dpaa_stats_percpu[i]); |
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memcpy(strings, string_cpu, ETH_GSTRING_LEN); |
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strings += ETH_GSTRING_LEN; |
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} |
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for (j = 0; j < num_cpus; j++) { |
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snprintf(string_cpu, ETH_GSTRING_LEN, |
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"bpool [CPU %d]", j); |
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memcpy(strings, string_cpu, ETH_GSTRING_LEN); |
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strings += ETH_GSTRING_LEN; |
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} |
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snprintf(string_cpu, ETH_GSTRING_LEN, "bpool [TOTAL]"); |
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memcpy(strings, string_cpu, ETH_GSTRING_LEN); |
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strings += ETH_GSTRING_LEN; |
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memcpy(strings, dpaa_stats_global, size); |
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} |
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static int dpaa_get_hash_opts(struct net_device *dev, |
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struct ethtool_rxnfc *cmd) |
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{ |
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struct dpaa_priv *priv = netdev_priv(dev); |
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cmd->data = 0; |
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switch (cmd->flow_type) { |
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case TCP_V4_FLOW: |
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case TCP_V6_FLOW: |
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case UDP_V4_FLOW: |
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case UDP_V6_FLOW: |
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if (priv->keygen_in_use) |
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
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fallthrough; |
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case IPV4_FLOW: |
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case IPV6_FLOW: |
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case SCTP_V4_FLOW: |
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case SCTP_V6_FLOW: |
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case AH_ESP_V4_FLOW: |
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case AH_ESP_V6_FLOW: |
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case AH_V4_FLOW: |
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case AH_V6_FLOW: |
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case ESP_V4_FLOW: |
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case ESP_V6_FLOW: |
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if (priv->keygen_in_use) |
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cmd->data |= RXH_IP_SRC | RXH_IP_DST; |
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break; |
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default: |
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cmd->data = 0; |
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break; |
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} |
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return 0; |
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} |
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static int dpaa_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, |
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u32 *unused) |
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{ |
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int ret = -EOPNOTSUPP; |
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switch (cmd->cmd) { |
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case ETHTOOL_GRXFH: |
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ret = dpaa_get_hash_opts(dev, cmd); |
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break; |
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default: |
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break; |
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} |
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return ret; |
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} |
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static void dpaa_set_hash(struct net_device *net_dev, bool enable) |
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{ |
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struct mac_device *mac_dev; |
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struct fman_port *rxport; |
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struct dpaa_priv *priv; |
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priv = netdev_priv(net_dev); |
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mac_dev = priv->mac_dev; |
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rxport = mac_dev->port[0]; |
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fman_port_use_kg_hash(rxport, enable); |
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priv->keygen_in_use = enable; |
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} |
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static int dpaa_set_hash_opts(struct net_device *dev, |
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struct ethtool_rxnfc *nfc) |
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{ |
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int ret = -EINVAL; |
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/* we support hashing on IPv4/v6 src/dest IP and L4 src/dest port */ |
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if (nfc->data & |
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~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)) |
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return -EINVAL; |
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switch (nfc->flow_type) { |
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case TCP_V4_FLOW: |
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case TCP_V6_FLOW: |
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case UDP_V4_FLOW: |
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case UDP_V6_FLOW: |
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case IPV4_FLOW: |
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case IPV6_FLOW: |
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case SCTP_V4_FLOW: |
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case SCTP_V6_FLOW: |
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case AH_ESP_V4_FLOW: |
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case AH_ESP_V6_FLOW: |
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case AH_V4_FLOW: |
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case AH_V6_FLOW: |
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case ESP_V4_FLOW: |
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case ESP_V6_FLOW: |
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dpaa_set_hash(dev, !!nfc->data); |
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ret = 0; |
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break; |
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default: |
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break; |
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} |
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return ret; |
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} |
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static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
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{ |
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int ret = -EOPNOTSUPP; |
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|
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switch (cmd->cmd) { |
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case ETHTOOL_SRXFH: |
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ret = dpaa_set_hash_opts(dev, cmd); |
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break; |
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default: |
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break; |
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} |
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return ret; |
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} |
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static int dpaa_get_ts_info(struct net_device *net_dev, |
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struct ethtool_ts_info *info) |
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{ |
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struct device *dev = net_dev->dev.parent; |
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struct device_node *mac_node = dev->of_node; |
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struct device_node *fman_node = NULL, *ptp_node = NULL; |
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struct platform_device *ptp_dev = NULL; |
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struct ptp_qoriq *ptp = NULL; |
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info->phc_index = -1; |
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fman_node = of_get_parent(mac_node); |
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if (fman_node) |
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ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0); |
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if (ptp_node) |
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ptp_dev = of_find_device_by_node(ptp_node); |
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|
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if (ptp_dev) |
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ptp = platform_get_drvdata(ptp_dev); |
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if (ptp) |
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info->phc_index = ptp->phc_index; |
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info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | |
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SOF_TIMESTAMPING_RX_HARDWARE | |
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SOF_TIMESTAMPING_RAW_HARDWARE; |
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info->tx_types = (1 << HWTSTAMP_TX_OFF) | |
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(1 << HWTSTAMP_TX_ON); |
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info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | |
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(1 << HWTSTAMP_FILTER_ALL); |
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|
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return 0; |
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} |
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static int dpaa_get_coalesce(struct net_device *dev, |
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struct ethtool_coalesce *c, |
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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 qman_portal *portal; |
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u32 period; |
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u8 thresh; |
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|
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portal = qman_get_affine_portal(smp_processor_id()); |
|
qman_portal_get_iperiod(portal, &period); |
|
qman_dqrr_get_ithresh(portal, &thresh); |
|
|
|
c->rx_coalesce_usecs = period; |
|
c->rx_max_coalesced_frames = thresh; |
|
|
|
return 0; |
|
} |
|
|
|
static int dpaa_set_coalesce(struct net_device *dev, |
|
struct ethtool_coalesce *c, |
|
struct kernel_ethtool_coalesce *kernel_coal, |
|
struct netlink_ext_ack *extack) |
|
{ |
|
const cpumask_t *cpus = qman_affine_cpus(); |
|
bool needs_revert[NR_CPUS] = {false}; |
|
struct qman_portal *portal; |
|
u32 period, prev_period; |
|
u8 thresh, prev_thresh; |
|
int cpu, res; |
|
|
|
period = c->rx_coalesce_usecs; |
|
thresh = c->rx_max_coalesced_frames; |
|
|
|
/* save previous values */ |
|
portal = qman_get_affine_portal(smp_processor_id()); |
|
qman_portal_get_iperiod(portal, &prev_period); |
|
qman_dqrr_get_ithresh(portal, &prev_thresh); |
|
|
|
/* set new values */ |
|
for_each_cpu_and(cpu, cpus, cpu_online_mask) { |
|
portal = qman_get_affine_portal(cpu); |
|
res = qman_portal_set_iperiod(portal, period); |
|
if (res) |
|
goto revert_values; |
|
res = qman_dqrr_set_ithresh(portal, thresh); |
|
if (res) { |
|
qman_portal_set_iperiod(portal, prev_period); |
|
goto revert_values; |
|
} |
|
needs_revert[cpu] = true; |
|
} |
|
|
|
return 0; |
|
|
|
revert_values: |
|
/* restore previous values */ |
|
for_each_cpu_and(cpu, cpus, cpu_online_mask) { |
|
if (!needs_revert[cpu]) |
|
continue; |
|
portal = qman_get_affine_portal(cpu); |
|
/* previous values will not fail, ignore return value */ |
|
qman_portal_set_iperiod(portal, prev_period); |
|
qman_dqrr_set_ithresh(portal, prev_thresh); |
|
} |
|
|
|
return res; |
|
} |
|
|
|
const struct ethtool_ops dpaa_ethtool_ops = { |
|
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | |
|
ETHTOOL_COALESCE_RX_MAX_FRAMES, |
|
.get_drvinfo = dpaa_get_drvinfo, |
|
.get_msglevel = dpaa_get_msglevel, |
|
.set_msglevel = dpaa_set_msglevel, |
|
.nway_reset = dpaa_nway_reset, |
|
.get_pauseparam = dpaa_get_pauseparam, |
|
.set_pauseparam = dpaa_set_pauseparam, |
|
.get_link = ethtool_op_get_link, |
|
.get_sset_count = dpaa_get_sset_count, |
|
.get_ethtool_stats = dpaa_get_ethtool_stats, |
|
.get_strings = dpaa_get_strings, |
|
.get_link_ksettings = dpaa_get_link_ksettings, |
|
.set_link_ksettings = dpaa_set_link_ksettings, |
|
.get_rxnfc = dpaa_get_rxnfc, |
|
.set_rxnfc = dpaa_set_rxnfc, |
|
.get_ts_info = dpaa_get_ts_info, |
|
.get_coalesce = dpaa_get_coalesce, |
|
.set_coalesce = dpaa_set_coalesce, |
|
};
|
|
|