Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / ethernet / ibm / ehea / ehea_ethtool.c
diff --git a/kernel/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/kernel/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
new file mode 100644 (file)
index 0000000..85a3866
--- /dev/null
@@ -0,0 +1,282 @@
+/*
+ *  linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
+ *
+ *  eHEA ethernet device driver for IBM eServer System p
+ *
+ *  (C) Copyright IBM Corp. 2006
+ *
+ *  Authors:
+ *       Christoph Raisch <raisch@de.ibm.com>
+ *       Jan-Bernd Themann <themann@de.ibm.com>
+ *       Thomas Klein <tklein@de.ibm.com>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "ehea.h"
+#include "ehea_phyp.h"
+
+static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+       struct ehea_port *port = netdev_priv(dev);
+       u32 speed;
+       int ret;
+
+       ret = ehea_sense_port_attr(port);
+
+       if (ret)
+               return ret;
+
+       if (netif_carrier_ok(dev)) {
+               switch (port->port_speed) {
+               case EHEA_SPEED_10M:
+                       speed = SPEED_10;
+                       break;
+               case EHEA_SPEED_100M:
+                       speed = SPEED_100;
+                       break;
+               case EHEA_SPEED_1G:
+                       speed = SPEED_1000;
+                       break;
+               case EHEA_SPEED_10G:
+                       speed = SPEED_10000;
+                       break;
+               default:
+                       speed = -1;
+                       break; /* BUG */
+               }
+               cmd->duplex = port->full_duplex == 1 ?
+                                                    DUPLEX_FULL : DUPLEX_HALF;
+       } else {
+               speed = SPEED_UNKNOWN;
+               cmd->duplex = DUPLEX_UNKNOWN;
+       }
+       ethtool_cmd_speed_set(cmd, speed);
+
+       if (cmd->speed == SPEED_10000) {
+               cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
+               cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
+               cmd->port = PORT_FIBRE;
+       } else {
+               cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
+                              | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
+                              | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
+                              | SUPPORTED_TP);
+               cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
+                                | ADVERTISED_TP);
+               cmd->port = PORT_TP;
+       }
+
+       cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+       return 0;
+}
+
+static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+       struct ehea_port *port = netdev_priv(dev);
+       int ret = 0;
+       u32 sp;
+
+       if (cmd->autoneg == AUTONEG_ENABLE) {
+               sp = EHEA_SPEED_AUTONEG;
+               goto doit;
+       }
+
+       switch (cmd->speed) {
+       case SPEED_10:
+               if (cmd->duplex == DUPLEX_FULL)
+                       sp = H_SPEED_10M_F;
+               else
+                       sp = H_SPEED_10M_H;
+               break;
+
+       case SPEED_100:
+               if (cmd->duplex == DUPLEX_FULL)
+                       sp = H_SPEED_100M_F;
+               else
+                       sp = H_SPEED_100M_H;
+               break;
+
+       case SPEED_1000:
+               if (cmd->duplex == DUPLEX_FULL)
+                       sp = H_SPEED_1G_F;
+               else
+                       ret = -EINVAL;
+               break;
+
+       case SPEED_10000:
+               if (cmd->duplex == DUPLEX_FULL)
+                       sp = H_SPEED_10G_F;
+               else
+                       ret = -EINVAL;
+               break;
+
+       default:
+                       ret = -EINVAL;
+               break;
+       }
+
+       if (ret)
+               goto out;
+doit:
+       ret = ehea_set_portspeed(port, sp);
+
+       if (!ret)
+               netdev_info(dev,
+                           "Port speed successfully set: %dMbps %s Duplex\n",
+                           port->port_speed,
+                           port->full_duplex == 1 ? "Full" : "Half");
+out:
+       return ret;
+}
+
+static int ehea_nway_reset(struct net_device *dev)
+{
+       struct ehea_port *port = netdev_priv(dev);
+       int ret;
+
+       ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
+
+       if (!ret)
+               netdev_info(port->netdev,
+                           "Port speed successfully set: %dMbps %s Duplex\n",
+                           port->port_speed,
+                           port->full_duplex == 1 ? "Full" : "Half");
+       return ret;
+}
+
+static void ehea_get_drvinfo(struct net_device *dev,
+                              struct ethtool_drvinfo *info)
+{
+       strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
+       strlcpy(info->version, DRV_VERSION, sizeof(info->version));
+}
+
+static u32 ehea_get_msglevel(struct net_device *dev)
+{
+       struct ehea_port *port = netdev_priv(dev);
+       return port->msg_enable;
+}
+
+static void ehea_set_msglevel(struct net_device *dev, u32 value)
+{
+       struct ehea_port *port = netdev_priv(dev);
+       port->msg_enable = value;
+}
+
+static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
+       {"sig_comp_iv"},
+       {"swqe_refill_th"},
+       {"port resets"},
+       {"Receive errors"},
+       {"TCP cksum errors"},
+       {"IP cksum errors"},
+       {"Frame cksum errors"},
+       {"num SQ stopped"},
+       {"PR0 free_swqes"},
+       {"PR1 free_swqes"},
+       {"PR2 free_swqes"},
+       {"PR3 free_swqes"},
+       {"PR4 free_swqes"},
+       {"PR5 free_swqes"},
+       {"PR6 free_swqes"},
+       {"PR7 free_swqes"},
+       {"PR8 free_swqes"},
+       {"PR9 free_swqes"},
+       {"PR10 free_swqes"},
+       {"PR11 free_swqes"},
+       {"PR12 free_swqes"},
+       {"PR13 free_swqes"},
+       {"PR14 free_swqes"},
+       {"PR15 free_swqes"},
+};
+
+static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+       if (stringset == ETH_SS_STATS) {
+               memcpy(data, &ehea_ethtool_stats_keys,
+                      sizeof(ehea_ethtool_stats_keys));
+       }
+}
+
+static int ehea_get_sset_count(struct net_device *dev, int sset)
+{
+       switch (sset) {
+       case ETH_SS_STATS:
+               return ARRAY_SIZE(ehea_ethtool_stats_keys);
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+
+static void ehea_get_ethtool_stats(struct net_device *dev,
+                                    struct ethtool_stats *stats, u64 *data)
+{
+       int i, k, tmp;
+       struct ehea_port *port = netdev_priv(dev);
+
+       for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
+               data[i] = 0;
+       i = 0;
+
+       data[i++] = port->sig_comp_iv;
+       data[i++] = port->port_res[0].swqe_refill_th;
+       data[i++] = port->resets;
+
+       for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
+               tmp += port->port_res[k].p_stats.poll_receive_errors;
+       data[i++] = tmp;
+
+       for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
+               tmp += port->port_res[k].p_stats.err_tcp_cksum;
+       data[i++] = tmp;
+
+       for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
+               tmp += port->port_res[k].p_stats.err_ip_cksum;
+       data[i++] = tmp;
+
+       for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
+               tmp += port->port_res[k].p_stats.err_frame_crc;
+       data[i++] = tmp;
+
+       for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
+               tmp += port->port_res[k].p_stats.queue_stopped;
+       data[i++] = tmp;
+
+       for (k = 0; k < 16; k++)
+               data[i++] = atomic_read(&port->port_res[k].swqe_avail);
+}
+
+static const struct ethtool_ops ehea_ethtool_ops = {
+       .get_settings = ehea_get_settings,
+       .get_drvinfo = ehea_get_drvinfo,
+       .get_msglevel = ehea_get_msglevel,
+       .set_msglevel = ehea_set_msglevel,
+       .get_link = ethtool_op_get_link,
+       .get_strings = ehea_get_strings,
+       .get_sset_count = ehea_get_sset_count,
+       .get_ethtool_stats = ehea_get_ethtool_stats,
+       .set_settings = ehea_set_settings,
+       .nway_reset = ehea_nway_reset,          /* Restart autonegotiation */
+};
+
+void ehea_set_ethtool_ops(struct net_device *netdev)
+{
+       netdev->ethtool_ops = &ehea_ethtool_ops;
+}