2 * linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c
4 * eHEA ethernet device driver for IBM eServer System p
6 * (C) Copyright IBM Corp. 2006
9 * Christoph Raisch <raisch@de.ibm.com>
10 * Jan-Bernd Themann <themann@de.ibm.com>
11 * Thomas Klein <tklein@de.ibm.com>
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)
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.
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.
29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32 #include "ehea_phyp.h"
34 static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
36 struct ehea_port *port = netdev_priv(dev);
40 ret = ehea_sense_port_attr(port);
45 if (netif_carrier_ok(dev)) {
46 switch (port->port_speed) {
63 cmd->duplex = port->full_duplex == 1 ?
64 DUPLEX_FULL : DUPLEX_HALF;
69 ethtool_cmd_speed_set(cmd, speed);
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;
76 cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
77 | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
78 | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
80 cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
85 cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
90 static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
92 struct ehea_port *port = netdev_priv(dev);
96 if (cmd->autoneg == AUTONEG_ENABLE) {
97 sp = EHEA_SPEED_AUTONEG;
101 switch (cmd->speed) {
103 if (cmd->duplex == DUPLEX_FULL)
110 if (cmd->duplex == DUPLEX_FULL)
117 if (cmd->duplex == DUPLEX_FULL)
124 if (cmd->duplex == DUPLEX_FULL)
138 ret = ehea_set_portspeed(port, sp);
142 "Port speed successfully set: %dMbps %s Duplex\n",
144 port->full_duplex == 1 ? "Full" : "Half");
149 static int ehea_nway_reset(struct net_device *dev)
151 struct ehea_port *port = netdev_priv(dev);
154 ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
157 netdev_info(port->netdev,
158 "Port speed successfully set: %dMbps %s Duplex\n",
160 port->full_duplex == 1 ? "Full" : "Half");
164 static void ehea_get_drvinfo(struct net_device *dev,
165 struct ethtool_drvinfo *info)
167 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
168 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
171 static u32 ehea_get_msglevel(struct net_device *dev)
173 struct ehea_port *port = netdev_priv(dev);
174 return port->msg_enable;
177 static void ehea_set_msglevel(struct net_device *dev, u32 value)
179 struct ehea_port *port = netdev_priv(dev);
180 port->msg_enable = value;
183 static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
188 {"TCP cksum errors"},
190 {"Frame cksum errors"},
210 static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
212 if (stringset == ETH_SS_STATS) {
213 memcpy(data, &ehea_ethtool_stats_keys,
214 sizeof(ehea_ethtool_stats_keys));
218 static int ehea_get_sset_count(struct net_device *dev, int sset)
222 return ARRAY_SIZE(ehea_ethtool_stats_keys);
228 static void ehea_get_ethtool_stats(struct net_device *dev,
229 struct ethtool_stats *stats, u64 *data)
232 struct ehea_port *port = netdev_priv(dev);
234 for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
238 data[i++] = port->sig_comp_iv;
239 data[i++] = port->port_res[0].swqe_refill_th;
240 data[i++] = port->resets;
242 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
243 tmp += port->port_res[k].p_stats.poll_receive_errors;
246 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
247 tmp += port->port_res[k].p_stats.err_tcp_cksum;
250 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
251 tmp += port->port_res[k].p_stats.err_ip_cksum;
254 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
255 tmp += port->port_res[k].p_stats.err_frame_crc;
258 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
259 tmp += port->port_res[k].p_stats.queue_stopped;
262 for (k = 0; k < 16; k++)
263 data[i++] = atomic_read(&port->port_res[k].swqe_avail);
266 static 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 */
279 void ehea_set_ethtool_ops(struct net_device *netdev)
281 SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);