[ETHTOOL] Provide default behaviors for a few ethtool sub-ioctls
[linux-2.6.git] / drivers / net / ehea / ehea_ethtool.c
1 /*
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
29 #include "ehea.h"
30 #include "ehea_phyp.h"
31
32 static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
33 {
34         struct ehea_port *port = netdev_priv(dev);
35         int ret;
36
37         ret = ehea_sense_port_attr(port);
38
39         if (ret)
40                 return ret;
41
42         if (netif_carrier_ok(dev)) {
43                 switch(port->port_speed) {
44                 case EHEA_SPEED_10M: cmd->speed = SPEED_10; break;
45                 case EHEA_SPEED_100M: cmd->speed = SPEED_100; break;
46                 case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break;
47                 case EHEA_SPEED_10G: cmd->speed = SPEED_10000; break;
48                 }
49                 cmd->duplex = port->full_duplex == 1 ?
50                                                      DUPLEX_FULL : DUPLEX_HALF;
51         } else {
52                 cmd->speed = -1;
53                 cmd->duplex = -1;
54         }
55
56         cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full
57                        | SUPPORTED_100baseT_Full |  SUPPORTED_100baseT_Half
58                        | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half
59                        | SUPPORTED_Autoneg | SUPPORTED_FIBRE);
60
61         cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg
62                          | ADVERTISED_FIBRE);
63
64         cmd->port = PORT_FIBRE;
65         cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
66
67         return 0;
68 }
69
70 static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
71 {
72         struct ehea_port *port = netdev_priv(dev);
73         int ret = 0;
74         u32 sp;
75
76         if (cmd->autoneg == AUTONEG_ENABLE) {
77                 sp = EHEA_SPEED_AUTONEG;
78                 goto doit;
79         }
80
81         switch(cmd->speed) {
82         case SPEED_10:
83                 if (cmd->duplex == DUPLEX_FULL)
84                         sp = H_SPEED_10M_F;
85                 else
86                         sp = H_SPEED_10M_H;
87                 break;
88
89         case SPEED_100:
90                 if (cmd->duplex == DUPLEX_FULL)
91                         sp = H_SPEED_100M_F;
92                 else
93                         sp = H_SPEED_100M_H;
94                 break;
95
96         case SPEED_1000:
97                 if (cmd->duplex == DUPLEX_FULL)
98                         sp = H_SPEED_1G_F;
99                 else
100                         ret = -EINVAL;
101                 break;
102
103         case SPEED_10000:
104                 if (cmd->duplex == DUPLEX_FULL)
105                         sp = H_SPEED_10G_F;
106                 else
107                         ret = -EINVAL;
108                 break;
109
110         default:
111                         ret = -EINVAL;
112                 break;
113         }
114
115         if (ret)
116                 goto out;
117 doit:
118         ret = ehea_set_portspeed(port, sp);
119
120         if (!ret)
121                 ehea_info("%s: Port speed succesfully set: %dMbps "
122                           "%s Duplex",
123                           port->netdev->name, port->port_speed,
124                           port->full_duplex == 1 ? "Full" : "Half");
125 out:
126         return ret;
127 }
128
129 static int ehea_nway_reset(struct net_device *dev)
130 {
131         struct ehea_port *port = netdev_priv(dev);
132         int ret;
133
134         ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG);
135
136         if (!ret)
137                 ehea_info("%s: Port speed succesfully set: %dMbps "
138                           "%s Duplex",
139                           port->netdev->name, port->port_speed,
140                           port->full_duplex == 1 ? "Full" : "Half");
141         return ret;
142 }
143
144 static void ehea_get_drvinfo(struct net_device *dev,
145                                struct ethtool_drvinfo *info)
146 {
147         strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
148         strlcpy(info->version, DRV_VERSION, sizeof(info->version));
149 }
150
151 static u32 ehea_get_msglevel(struct net_device *dev)
152 {
153         struct ehea_port *port = netdev_priv(dev);
154         return port->msg_enable;
155 }
156
157 static void ehea_set_msglevel(struct net_device *dev, u32 value)
158 {
159         struct ehea_port *port = netdev_priv(dev);
160         port->msg_enable = value;
161 }
162
163 static u32 ehea_get_rx_csum(struct net_device *dev)
164 {
165         return 1;
166 }
167
168 static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = {
169         {"sig_comp_iv"},
170         {"swqe_refill_th"},
171         {"port resets"},
172         {"Receive errors"},
173         {"TCP cksum errors"},
174         {"IP cksum errors"},
175         {"Frame cksum errors"},
176         {"num SQ stopped"},
177         {"SQ stopped"},
178         {"PR0 free_swqes"},
179         {"PR1 free_swqes"},
180         {"PR2 free_swqes"},
181         {"PR3 free_swqes"},
182         {"PR4 free_swqes"},
183         {"PR5 free_swqes"},
184         {"PR6 free_swqes"},
185         {"PR7 free_swqes"},
186         {"LRO aggregated"},
187         {"LRO flushed"},
188         {"LRO no_desc"},
189 };
190
191 static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data)
192 {
193         if (stringset == ETH_SS_STATS) {
194                 memcpy(data, &ehea_ethtool_stats_keys,
195                        sizeof(ehea_ethtool_stats_keys));
196         }
197 }
198
199 static int ehea_get_stats_count(struct net_device *dev)
200 {
201         return ARRAY_SIZE(ehea_ethtool_stats_keys);
202 }
203
204 static void ehea_get_ethtool_stats(struct net_device *dev,
205                                      struct ethtool_stats *stats, u64 *data)
206 {
207         int i, k, tmp;
208         struct ehea_port *port = netdev_priv(dev);
209
210         for (i = 0; i < ehea_get_stats_count(dev); i++)
211                 data[i] = 0;
212         i = 0;
213
214         data[i++] = port->sig_comp_iv;
215         data[i++] = port->port_res[0].swqe_refill_th;
216         data[i++] = port->resets;
217
218         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
219                 tmp += port->port_res[k].p_stats.poll_receive_errors;
220         data[i++] = tmp;
221
222         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
223                 tmp += port->port_res[k].p_stats.err_tcp_cksum;
224         data[i++] = tmp;
225
226         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
227                 tmp += port->port_res[k].p_stats.err_ip_cksum;
228         data[i++] = tmp;
229
230         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
231                 tmp += port->port_res[k].p_stats.err_frame_crc;
232         data[i++] = tmp;
233
234         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
235                 tmp += port->port_res[k].p_stats.queue_stopped;
236         data[i++] = tmp;
237
238         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
239                 tmp |= port->port_res[k].queue_stopped;
240         data[i++] = tmp;
241
242         for (k = 0; k < 8; k++)
243                 data[i++] = atomic_read(&port->port_res[k].swqe_avail);
244
245         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
246                 tmp |= port->port_res[k].lro_mgr.stats.aggregated;
247         data[i++] = tmp;
248
249         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
250                 tmp |= port->port_res[k].lro_mgr.stats.flushed;
251         data[i++] = tmp;
252
253         for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
254                 tmp |= port->port_res[k].lro_mgr.stats.no_desc;
255         data[i++] = tmp;
256
257 }
258
259 const struct ethtool_ops ehea_ethtool_ops = {
260         .get_settings = ehea_get_settings,
261         .get_drvinfo = ehea_get_drvinfo,
262         .get_msglevel = ehea_get_msglevel,
263         .set_msglevel = ehea_set_msglevel,
264         .get_link = ethtool_op_get_link,
265         .set_tso = ethtool_op_set_tso,
266         .get_strings = ehea_get_strings,
267         .get_stats_count = ehea_get_stats_count,
268         .get_ethtool_stats = ehea_get_ethtool_stats,
269         .get_rx_csum = ehea_get_rx_csum,
270         .set_settings = ehea_set_settings,
271         .nway_reset = ehea_nway_reset,          /* Restart autonegotiation */
272 };
273
274 void ehea_set_ethtool_ops(struct net_device *netdev)
275 {
276         SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);
277 }