// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Network device driver for Cell Processor-Based Blade
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*
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* (C) Copyright IBM Corp. 2005
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*
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* Authors : Utz Bacher <utz.bacher@de.ibm.com>
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* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/pci.h>
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#include "spider_net.h"
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static struct {
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const char str[ETH_GSTRING_LEN];
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} ethtool_stats_keys[] = {
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{ "tx_packets" },
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{ "tx_bytes" },
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{ "rx_packets" },
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{ "rx_bytes" },
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{ "tx_errors" },
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{ "tx_dropped" },
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{ "rx_dropped" },
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{ "rx_descriptor_error" },
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{ "tx_timeouts" },
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{ "alloc_rx_skb_error" },
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{ "rx_iommu_map_error" },
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{ "tx_iommu_map_error" },
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{ "rx_desc_unk_state" },
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};
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static int
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spider_net_ethtool_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 spider_net_card *card;
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card = netdev_priv(netdev);
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ethtool_link_ksettings_zero_link_mode(cmd, supported);
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ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full);
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ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
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ethtool_link_ksettings_zero_link_mode(cmd, advertising);
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ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
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ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
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cmd->base.port = PORT_FIBRE;
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cmd->base.speed = card->phy.speed;
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cmd->base.duplex = DUPLEX_FULL;
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return 0;
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}
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static void
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spider_net_ethtool_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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/* clear and fill out info */
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strlcpy(drvinfo->driver, spider_net_driver_name,
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sizeof(drvinfo->driver));
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strlcpy(drvinfo->version, VERSION, sizeof(drvinfo->version));
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strlcpy(drvinfo->fw_version, "no information",
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sizeof(drvinfo->fw_version));
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strlcpy(drvinfo->bus_info, pci_name(card->pdev),
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sizeof(drvinfo->bus_info));
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}
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static void
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spider_net_ethtool_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wolinfo)
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{
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/* no support for wol */
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wolinfo->supported = 0;
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wolinfo->wolopts = 0;
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}
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static u32
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spider_net_ethtool_get_msglevel(struct net_device *netdev)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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return card->msg_enable;
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}
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static void
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spider_net_ethtool_set_msglevel(struct net_device *netdev,
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u32 level)
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{
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struct spider_net_card *card;
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card = netdev_priv(netdev);
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card->msg_enable = level;
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}
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static int
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spider_net_ethtool_nway_reset(struct net_device *netdev)
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{
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if (netif_running(netdev)) {
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spider_net_stop(netdev);
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spider_net_open(netdev);
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}
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return 0;
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}
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static void
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spider_net_ethtool_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ering)
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{
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struct spider_net_card *card = netdev_priv(netdev);
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ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
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ering->tx_pending = card->tx_chain.num_desc;
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ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
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ering->rx_pending = card->rx_chain.num_desc;
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}
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static int spider_net_get_sset_count(struct net_device *netdev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return ARRAY_SIZE(ethtool_stats_keys);
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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 spider_net_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 spider_net_card *card = netdev_priv(netdev);
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data[0] = netdev->stats.tx_packets;
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data[1] = netdev->stats.tx_bytes;
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data[2] = netdev->stats.rx_packets;
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data[3] = netdev->stats.rx_bytes;
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data[4] = netdev->stats.tx_errors;
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data[5] = netdev->stats.tx_dropped;
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data[6] = netdev->stats.rx_dropped;
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data[7] = card->spider_stats.rx_desc_error;
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data[8] = card->spider_stats.tx_timeouts;
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data[9] = card->spider_stats.alloc_rx_skb_error;
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data[10] = card->spider_stats.rx_iommu_map_error;
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data[11] = card->spider_stats.tx_iommu_map_error;
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data[12] = card->spider_stats.rx_desc_unk_state;
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}
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static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
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u8 *data)
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{
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memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
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}
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const struct ethtool_ops spider_net_ethtool_ops = {
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.get_drvinfo = spider_net_ethtool_get_drvinfo,
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.get_wol = spider_net_ethtool_get_wol,
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.get_msglevel = spider_net_ethtool_get_msglevel,
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.set_msglevel = spider_net_ethtool_set_msglevel,
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.get_link = ethtool_op_get_link,
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.nway_reset = spider_net_ethtool_nway_reset,
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.get_ringparam = spider_net_ethtool_get_ringparam,
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.get_strings = spider_net_get_strings,
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.get_sset_count = spider_net_get_sset_count,
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.get_ethtool_stats = spider_net_get_ethtool_stats,
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.get_link_ksettings = spider_net_ethtool_get_link_ksettings,
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};
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