ethernet/toshiba/spider_net_ethtool.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Network device driver for Cell Processor-Based Blade
0004  *
0005  * (C) Copyright IBM Corp. 2005
0006  *
0007  * Authors : Utz Bacher <utz.bacher@de.ibm.com>
0008  *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
0009  */
0010
0011 #include <linux/netdevice.h>
0012 #include <linux/ethtool.h>
0013 #include <linux/pci.h>
0014
0015 #include "spider_net.h"
0016
0017
0018 static struct {
0019     const char str[ETH_GSTRING_LEN];
0020 } ethtool_stats_keys[] = {
0021     { "tx_packets" },
0022     { "tx_bytes" },
0023     { "rx_packets" },
0024     { "rx_bytes" },
0025     { "tx_errors" },
0026     { "tx_dropped" },
0027     { "rx_dropped" },
0028     { "rx_descriptor_error" },
0029     { "tx_timeouts" },
0030     { "alloc_rx_skb_error" },
0031     { "rx_iommu_map_error" },
0032     { "tx_iommu_map_error" },
0033     { "rx_desc_unk_state" },
0034 };
0035
0036 static int
0037 spider_net_ethtool_get_link_ksettings(struct net_device *netdev,
0038                       struct ethtool_link_ksettings *cmd)
0039 {
0040     struct spider_net_card *card;
0041     card = netdev_priv(netdev);
0042
0043     ethtool_link_ksettings_zero_link_mode(cmd, supported);
0044     ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full);
0045     ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
0046
0047     ethtool_link_ksettings_zero_link_mode(cmd, advertising);
0048     ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
0049     ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
0050
0051     cmd->base.port = PORT_FIBRE;
0052     cmd->base.speed = card->phy.speed;
0053     cmd->base.duplex = DUPLEX_FULL;
0054
0055     return 0;
0056 }
0057
0058 static void
0059 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
0060                    struct ethtool_drvinfo *drvinfo)
0061 {
0062     struct spider_net_card *card;
0063     card = netdev_priv(netdev);
0064
0065     /* clear and fill out info */
0066     strlcpy(drvinfo->driver, spider_net_driver_name,
0067         sizeof(drvinfo->driver));
0068     strlcpy(drvinfo->version, VERSION, sizeof(drvinfo->version));
0069     strlcpy(drvinfo->fw_version, "no information",
0070         sizeof(drvinfo->fw_version));
0071     strlcpy(drvinfo->bus_info, pci_name(card->pdev),
0072         sizeof(drvinfo->bus_info));
0073 }
0074
0075 static void
0076 spider_net_ethtool_get_wol(struct net_device *netdev,
0077                struct ethtool_wolinfo *wolinfo)
0078 {
0079     /* no support for wol */
0080     wolinfo->supported = 0;
0081     wolinfo->wolopts = 0;
0082 }
0083
0084 static u32
0085 spider_net_ethtool_get_msglevel(struct net_device *netdev)
0086 {
0087     struct spider_net_card *card;
0088     card = netdev_priv(netdev);
0089     return card->msg_enable;
0090 }
0091
0092 static void
0093 spider_net_ethtool_set_msglevel(struct net_device *netdev,
0094                 u32 level)
0095 {
0096     struct spider_net_card *card;
0097     card = netdev_priv(netdev);
0098     card->msg_enable = level;
0099 }
0100
0101 static int
0102 spider_net_ethtool_nway_reset(struct net_device *netdev)
0103 {
0104     if (netif_running(netdev)) {
0105         spider_net_stop(netdev);
0106         spider_net_open(netdev);
0107     }
0108     return 0;
0109 }
0110
0111 static void
0112 spider_net_ethtool_get_ringparam(struct net_device *netdev,
0113                  struct ethtool_ringparam *ering,
0114                  struct kernel_ethtool_ringparam *kernel_ering,
0115                  struct netlink_ext_ack *extack)
0116 {
0117     struct spider_net_card *card = netdev_priv(netdev);
0118
0119     ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
0120     ering->tx_pending = card->tx_chain.num_desc;
0121     ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
0122     ering->rx_pending = card->rx_chain.num_desc;
0123 }
0124
0125 static int spider_net_get_sset_count(struct net_device *netdev, int sset)
0126 {
0127     switch (sset) {
0128     case ETH_SS_STATS:
0129         return ARRAY_SIZE(ethtool_stats_keys);
0130     default:
0131         return -EOPNOTSUPP;
0132     }
0133 }
0134
0135 static void spider_net_get_ethtool_stats(struct net_device *netdev,
0136         struct ethtool_stats *stats, u64 *data)
0137 {
0138     struct spider_net_card *card = netdev_priv(netdev);
0139
0140     data[0] = netdev->stats.tx_packets;
0141     data[1] = netdev->stats.tx_bytes;
0142     data[2] = netdev->stats.rx_packets;
0143     data[3] = netdev->stats.rx_bytes;
0144     data[4] = netdev->stats.tx_errors;
0145     data[5] = netdev->stats.tx_dropped;
0146     data[6] = netdev->stats.rx_dropped;
0147     data[7] = card->spider_stats.rx_desc_error;
0148     data[8] = card->spider_stats.tx_timeouts;
0149     data[9] = card->spider_stats.alloc_rx_skb_error;
0150     data[10] = card->spider_stats.rx_iommu_map_error;
0151     data[11] = card->spider_stats.tx_iommu_map_error;
0152     data[12] = card->spider_stats.rx_desc_unk_state;
0153 }
0154
0155 static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
0156                    u8 *data)
0157 {
0158     memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
0159 }
0160
0161 const struct ethtool_ops spider_net_ethtool_ops = {
0162     .get_drvinfo        = spider_net_ethtool_get_drvinfo,
0163     .get_wol        = spider_net_ethtool_get_wol,
0164     .get_msglevel       = spider_net_ethtool_get_msglevel,
0165     .set_msglevel       = spider_net_ethtool_set_msglevel,
0166     .get_link       = ethtool_op_get_link,
0167     .nway_reset     = spider_net_ethtool_nway_reset,
0168     .get_ringparam          = spider_net_ethtool_get_ringparam,
0169     .get_strings        = spider_net_get_strings,
0170     .get_sset_count     = spider_net_get_sset_count,
0171     .get_ethtool_stats  = spider_net_get_ethtool_stats,
0172     .get_link_ksettings = spider_net_ethtool_get_link_ksettings,
0173 };
0174