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Jan-Bernd Themann7a291082006-09-13 17:44:31 +02001/*
2 * linux/drivers/net/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
Joe Perches8c4877a2010-12-13 10:05:14 -080029#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
30
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020031#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);
David Decotigny70739492011-04-27 18:32:40 +000037 u32 speed;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020038 int ret;
39
40 ret = ehea_sense_port_attr(port);
41
42 if (ret)
43 return ret;
44
45 if (netif_carrier_ok(dev)) {
Doug Maxey13da93d2008-01-31 20:20:48 -060046 switch (port->port_speed) {
David Decotigny70739492011-04-27 18:32:40 +000047 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 */
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020062 }
63 cmd->duplex = port->full_duplex == 1 ?
64 DUPLEX_FULL : DUPLEX_HALF;
65 } else {
David Decotigny70739492011-04-27 18:32:40 +000066 speed = ~0;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020067 cmd->duplex = -1;
68 }
David Decotigny70739492011-04-27 18:32:40 +000069 ethtool_cmd_speed_set(cmd, speed);
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020070
Kleber Sacilotto de Souzadcbe14b2011-05-04 13:05:11 +000071 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 }
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020084
Jan-Bernd Themann7a291082006-09-13 17:44:31 +020085 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
Doug Maxey13da93d2008-01-31 20:20:48 -0600101 switch (cmd->speed) {
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200102 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)
Joe Perches8c4877a2010-12-13 10:05:14 -0800141 netdev_info(dev,
142 "Port speed successfully set: %dMbps %s Duplex\n",
143 port->port_speed,
144 port->full_duplex == 1 ? "Full" : "Half");
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200145out:
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)
Joe Perches8c4877a2010-12-13 10:05:14 -0800157 netdev_info(port->netdev,
158 "Port speed successfully set: %dMbps %s Duplex\n",
159 port->port_speed,
160 port->full_duplex == 1 ? "Full" : "Half");
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200161 return ret;
162}
163
164static void ehea_get_drvinfo(struct net_device *dev,
165 struct ethtool_drvinfo *info)
166{
Jean Delvare4eccccb2007-03-26 21:47:22 -0800167 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
168 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200169}
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
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200183static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200184 {"sig_comp_iv"},
185 {"swqe_refill_th"},
186 {"port resets"},
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100187 {"Receive errors"},
188 {"TCP cksum errors"},
189 {"IP cksum errors"},
190 {"Frame cksum errors"},
191 {"num SQ stopped"},
192 {"SQ stopped"},
193 {"PR0 free_swqes"},
194 {"PR1 free_swqes"},
195 {"PR2 free_swqes"},
196 {"PR3 free_swqes"},
197 {"PR4 free_swqes"},
198 {"PR5 free_swqes"},
199 {"PR6 free_swqes"},
200 {"PR7 free_swqes"},
Jan-Bernd Themannd4dc4ec2007-09-25 16:16:34 -0700201 {"LRO aggregated"},
202 {"LRO flushed"},
203 {"LRO no_desc"},
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200204};
205
206static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
207{
208 if (stringset == ETH_SS_STATS) {
209 memcpy(data, &ehea_ethtool_stats_keys,
210 sizeof(ehea_ethtool_stats_keys));
211 }
212}
213
Jeff Garzikb9f2c042007-10-03 18:07:32 -0700214static int ehea_get_sset_count(struct net_device *dev, int sset)
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200215{
Jeff Garzikb9f2c042007-10-03 18:07:32 -0700216 switch (sset) {
217 case ETH_SS_STATS:
218 return ARRAY_SIZE(ehea_ethtool_stats_keys);
219 default:
220 return -EOPNOTSUPP;
221 }
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200222}
223
224static void ehea_get_ethtool_stats(struct net_device *dev,
225 struct ethtool_stats *stats, u64 *data)
226{
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100227 int i, k, tmp;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200228 struct ehea_port *port = netdev_priv(dev);
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200229
Jeff Garzikb9f2c042007-10-03 18:07:32 -0700230 for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++)
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200231 data[i] = 0;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200232 i = 0;
233
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200234 data[i++] = port->sig_comp_iv;
235 data[i++] = port->port_res[0].swqe_refill_th;
236 data[i++] = port->resets;
237
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100238 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
239 tmp += port->port_res[k].p_stats.poll_receive_errors;
240 data[i++] = tmp;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200241
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100242 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
243 tmp += port->port_res[k].p_stats.err_tcp_cksum;
244 data[i++] = tmp;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200245
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100246 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
247 tmp += port->port_res[k].p_stats.err_ip_cksum;
248 data[i++] = tmp;
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200249
Jan-Bernd Themannacbddb52007-03-23 17:18:53 +0100250 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
251 tmp += port->port_res[k].p_stats.err_frame_crc;
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.queue_stopped;
256 data[i++] = tmp;
257
258 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
259 tmp |= port->port_res[k].queue_stopped;
260 data[i++] = tmp;
261
262 for (k = 0; k < 8; k++)
263 data[i++] = atomic_read(&port->port_res[k].swqe_avail);
264
Jan-Bernd Themannd4dc4ec2007-09-25 16:16:34 -0700265 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
266 tmp |= port->port_res[k].lro_mgr.stats.aggregated;
267 data[i++] = tmp;
268
269 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
270 tmp |= port->port_res[k].lro_mgr.stats.flushed;
271 data[i++] = tmp;
272
273 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
274 tmp |= port->port_res[k].lro_mgr.stats.no_desc;
275 data[i++] = tmp;
276
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200277}
278
Jeff Garzik7282d492006-09-13 14:30:00 -0400279const struct ethtool_ops ehea_ethtool_ops = {
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200280 .get_settings = ehea_get_settings,
281 .get_drvinfo = ehea_get_drvinfo,
282 .get_msglevel = ehea_get_msglevel,
283 .set_msglevel = ehea_set_msglevel,
284 .get_link = ethtool_op_get_link,
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200285 .get_strings = ehea_get_strings,
Jeff Garzikb9f2c042007-10-03 18:07:32 -0700286 .get_sset_count = ehea_get_sset_count,
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200287 .get_ethtool_stats = ehea_get_ethtool_stats,
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200288 .set_settings = ehea_set_settings,
Jan-Bernd Themann7a291082006-09-13 17:44:31 +0200289 .nway_reset = ehea_nway_reset, /* Restart autonegotiation */
290};
291
292void ehea_set_ethtool_ops(struct net_device *netdev)
293{
294 SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);
295}