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Diffstat (limited to 'drivers/net/ethernet/ibm/ehea/ehea_ethtool.c')
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_ethtool.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
new file mode 100644
index 000000000..1db5b6790
--- /dev/null
+++ b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * 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>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "ehea.h"
+#include "ehea_phyp.h"
+
+static int ehea_get_link_ksettings(struct net_device *dev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct ehea_port *port = netdev_priv(dev);
+ u32 supported, advertising;
+ 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->base.duplex = port->full_duplex == 1 ?
+ DUPLEX_FULL : DUPLEX_HALF;
+ } else {
+ speed = SPEED_UNKNOWN;
+ cmd->base.duplex = DUPLEX_UNKNOWN;
+ }
+ cmd->base.speed = speed;
+
+ if (cmd->base.speed == SPEED_10000) {
+ supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
+ advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
+ cmd->base.port = PORT_FIBRE;
+ } else {
+ supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
+ | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
+ | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
+ | SUPPORTED_TP);
+ advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
+ | ADVERTISED_TP);
+ cmd->base.port = PORT_TP;
+ }
+
+ cmd->base.autoneg = port->autoneg == 1 ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+ ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
+ supported);
+ ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
+ advertising);
+
+ return 0;
+}
+
+static int ehea_set_link_ksettings(struct net_device *dev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct ehea_port *port = netdev_priv(dev);
+ int ret = 0;
+ u32 sp;
+
+ if (cmd->base.autoneg == AUTONEG_ENABLE) {
+ sp = EHEA_SPEED_AUTONEG;
+ goto doit;
+ }
+
+ switch (cmd->base.speed) {
+ case SPEED_10:
+ if (cmd->base.duplex == DUPLEX_FULL)
+ sp = H_SPEED_10M_F;
+ else
+ sp = H_SPEED_10M_H;
+ break;
+
+ case SPEED_100:
+ if (cmd->base.duplex == DUPLEX_FULL)
+ sp = H_SPEED_100M_F;
+ else
+ sp = H_SPEED_100M_H;
+ break;
+
+ case SPEED_1000:
+ if (cmd->base.duplex == DUPLEX_FULL)
+ sp = H_SPEED_1G_F;
+ else
+ ret = -EINVAL;
+ break;
+
+ case SPEED_10000:
+ if (cmd->base.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)
+{
+ strscpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strscpy(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_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,
+ .nway_reset = ehea_nway_reset, /* Restart autonegotiation */
+ .get_link_ksettings = ehea_get_link_ksettings,
+ .set_link_ksettings = ehea_set_link_ksettings,
+};
+
+void ehea_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &ehea_ethtool_ops;
+}
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