linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
<<
>>
Prefs
   1/*
   2 *  linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
   3 *
   4 *  eHEA ethernet device driver for IBM eServer System p
   5 *
   6 *  (C) Copyright IBM Corp. 2006
   7 *
   8 *  Authors:
   9 *       Christoph Raisch <raisch@de.ibm.com>
  10 *       Jan-Bernd Themann <themann@de.ibm.com>
  11 *       Thomas Klein <tklein@de.ibm.com>
  12 *
  13 *
  14 * This program is free software; you can redistribute it and/or modify
  15 * it under the terms of the GNU General Public License as published by
  16 * the Free Software Foundation; either version 2, or (at your option)
  17 * any later version.
  18 *
  19 * This program is distributed in the hope that it will be useful,
  20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 * GNU General Public License for more details.
  23 *
  24 * You should have received a copy of the GNU General Public License
  25 * along with this program; if not, write to the Free Software
  26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27 */
  28
  29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  30
  31#include "ehea.h"
  32#include "ehea_phyp.h"
  33
  34static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  35{
  36        struct ehea_port *port = netdev_priv(dev);
  37        u32 speed;
  38        int ret;
  39
  40        ret = ehea_sense_port_attr(port);
  41
  42        if (ret)
  43                return ret;
  44
  45        if (netif_carrier_ok(dev)) {
  46                switch (port->port_speed) {
  47                case EHEA_SPEED_10M:
  48                        speed = SPEED_10;
  49                        break;
  50                case EHEA_SPEED_100M:
  51                        speed = SPEED_100;
  52                        break;
  53                case EHEA_SPEED_1G:
  54                        speed = SPEED_1000;
  55                        break;
  56                case EHEA_SPEED_10G:
  57                        speed = SPEED_10000;
  58                        break;
  59                default:
  60                        speed = -1;
  61                        break; /* BUG */
  62                }
  63                cmd->duplex = port->full_duplex == 1 ?
  64                                                     DUPLEX_FULL : DUPLEX_HALF;
  65        } else {
  66                speed = SPEED_UNKNOWN;
  67                cmd->duplex = DUPLEX_UNKNOWN;
  68        }
  69        ethtool_cmd_speed_set(cmd, speed);
  70
  71        if (cmd->speed == SPEED_10000) {
  72                cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
  73                cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
  74                cmd->port = PORT_FIBRE;
  75        } else {
  76                cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
  77                               | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
  78                               | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
  79                               | SUPPORTED_TP);
  80                cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
  81                                 | ADVERTISED_TP);
  82                cmd->port = PORT_TP;
  83        }
  84
  85        cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
  86
  87        return 0;
  88}
  89
  90static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
  91{
  92        struct ehea_port *port = netdev_priv(dev);
  93        int ret = 0;
  94        u32 sp;
  95
  96        if (cmd->autoneg == AUTONEG_ENABLE) {
  97                sp = EHEA_SPEED_AUTONEG;
  98                goto doit;
  99        }
 100
 101        switch (cmd->speed) {
 102        case SPEED_10:
 103                if (cmd->duplex == DUPLEX_FULL)
 104                        sp = H_SPEED_10M_F;
 105                else
 106                        sp = H_SPEED_10M_H;
 107                break;
 108
 109        case SPEED_100:
 110                if (cmd->duplex == DUPLEX_FULL)
 111                        sp = H_SPEED_100M_F;
 112                else
 113                        sp = H_SPEED_100M_H;
 114                break;
 115
 116        case SPEED_1000:
 117                if (cmd->duplex == DUPLEX_FULL)
 118                        sp = H_SPEED_1G_F;
 119                else
 120                        ret = -EINVAL;
 121                break;
 122
 123        case SPEED_10000:
 124                if (cmd->duplex == DUPLEX_FULL)
 125                        sp = H_SPEED_10G_F;
 126                else
 127                        ret = -EINVAL;
 128                break;
 129
 130        default:
 131                        ret = -EINVAL;
 132                break;
 133        }
 134
 135        if (ret)
 136                goto out;
 137doit:
 138        ret = ehea_set_portspeed(port, sp);
 139
 140        if (!ret)
 141                netdev_info(dev,
 142                            "Port speed successfully set: %dMbps %s Duplex\n",
 143                            port->port_speed,
 144                            port->full_duplex == 1 ? "Full" : "Half");
 145out:
 146        return ret;
 147}
 148
 149static int ehea_nway_reset(struct net_device *dev)
 150{
 151        struct ehea_port *port = netdev_priv(dev);
 152        int ret;
 153
 154        ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
 155
 156        if (!ret)
 157                netdev_info(port->netdev,
 158                            "Port speed successfully set: %dMbps %s Duplex\n",
 159                            port->port_speed,
 160                            port->full_duplex == 1 ? "Full" : "Half");
 161        return ret;
 162}
 163
 164static void ehea_get_drvinfo(struct net_device *dev,
 165                               struct ethtool_drvinfo *info)
 166{
 167        strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 168        strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 169}
 170
 171static u32 ehea_get_msglevel(struct net_device *dev)
 172{
 173        struct ehea_port *port = netdev_priv(dev);
 174        return port->msg_enable;
 175}
 176
 177static void ehea_set_msglevel(struct net_device *dev, u32 value)
 178{
 179        struct ehea_port *port = netdev_priv(dev);
 180        port->msg_enable = value;
 181}
 182
 183static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
 184        {"sig_comp_iv"},
 185        {"swqe_refill_th"},
 186        {"port resets"},
 187        {"Receive errors"},
 188        {"TCP cksum errors"},
 189        {"IP cksum errors"},
 190        {"Frame cksum errors"},
 191        {"num SQ stopped"},
 192        {"PR0 free_swqes"},
 193        {"PR1 free_swqes"},
 194        {"PR2 free_swqes"},
 195        {"PR3 free_swqes"},
 196        {"PR4 free_swqes"},
 197        {"PR5 free_swqes"},
 198        {"PR6 free_swqes"},
 199        {"PR7 free_swqes"},
 200        {"PR8 free_swqes"},
 201        {"PR9 free_swqes"},
 202        {"PR10 free_swqes"},
 203        {"PR11 free_swqes"},
 204        {"PR12 free_swqes"},
 205        {"PR13 free_swqes"},
 206        {"PR14 free_swqes"},
 207        {"PR15 free_swqes"},
 208};
 209
 210static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
 211{
 212        if (stringset == ETH_SS_STATS) {
 213                memcpy(data, &ehea_ethtool_stats_keys,
 214                       sizeof(ehea_ethtool_stats_keys));
 215        }
 216}
 217
 218static int ehea_get_sset_count(struct net_device *dev, int sset)
 219{
 220        switch (sset) {
 221        case ETH_SS_STATS:
 222                return ARRAY_SIZE(ehea_ethtool_stats_keys);
 223        default:
 224                return -EOPNOTSUPP;
 225        }
 226}
 227
 228static void ehea_get_ethtool_stats(struct net_device *dev,
 229                                     struct ethtool_stats *stats, u64 *data)
 230{
 231        int i, k, tmp;
 232        struct ehea_port *port = netdev_priv(dev);
 233
 234        for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
 235                data[i] = 0;
 236        i = 0;
 237
 238        data[i++] = port->sig_comp_iv;
 239        data[i++] = port->port_res[0].swqe_refill_th;
 240        data[i++] = port->resets;
 241
 242        for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
 243                tmp += port->port_res[k].p_stats.poll_receive_errors;
 244        data[i++] = tmp;
 245
 246        for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
 247                tmp += port->port_res[k].p_stats.err_tcp_cksum;
 248        data[i++] = tmp;
 249
 250        for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
 251                tmp += port->port_res[k].p_stats.err_ip_cksum;
 252        data[i++] = tmp;
 253
 254        for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
 255                tmp += port->port_res[k].p_stats.err_frame_crc;
 256        data[i++] = tmp;
 257
 258        for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
 259                tmp += port->port_res[k].p_stats.queue_stopped;
 260        data[i++] = tmp;
 261
 262        for (k = 0; k < 16; k++)
 263                data[i++] = atomic_read(&port->port_res[k].swqe_avail);
 264}
 265
 266static const struct ethtool_ops ehea_ethtool_ops = {
 267        .get_settings = ehea_get_settings,
 268        .get_drvinfo = ehea_get_drvinfo,
 269        .get_msglevel = ehea_get_msglevel,
 270        .set_msglevel = ehea_set_msglevel,
 271        .get_link = ethtool_op_get_link,
 272        .get_strings = ehea_get_strings,
 273        .get_sset_count = ehea_get_sset_count,
 274        .get_ethtool_stats = ehea_get_ethtool_stats,
 275        .set_settings = ehea_set_settings,
 276        .nway_reset = ehea_nway_reset,          /* Restart autonegotiation */
 277};
 278
 279void ehea_set_ethtool_ops(struct net_device *netdev)
 280{
 281        netdev->ethtool_ops = &ehea_ethtool_ops;
 282}
 283