Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6.git] / drivers / net / spider_net_ethtool.c
1 /*
2  * Network device driver for Cell Processor-Based Blade
3  *
4  * (C) Copyright IBM Corp. 2005
5  *
6  * Authors : Utz Bacher <utz.bacher@de.ibm.com>
7  *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2, or (at your option)
12  * any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23
24 #include <linux/netdevice.h>
25 #include <linux/ethtool.h>
26 #include <linux/pci.h>
27
28 #include "spider_net.h"
29
30
31 static struct {
32         const char str[ETH_GSTRING_LEN];
33 } ethtool_stats_keys[] = {
34         { "tx_packets" },
35         { "tx_bytes" },
36         { "rx_packets" },
37         { "rx_bytes" },
38         { "tx_errors" },
39         { "tx_dropped" },
40         { "rx_dropped" },
41         { "rx_descriptor_error" },
42         { "tx_timeouts" },
43         { "alloc_rx_skb_error" },
44         { "rx_iommu_map_error" },
45         { "tx_iommu_map_error" },
46         { "rx_desc_unk_state" },
47 };
48
49 static int
50 spider_net_ethtool_get_settings(struct net_device *netdev,
51                                struct ethtool_cmd *cmd)
52 {
53         struct spider_net_card *card;
54         card = netdev_priv(netdev);
55
56         cmd->supported   = (SUPPORTED_1000baseT_Full |
57                              SUPPORTED_FIBRE);
58         cmd->advertising = (ADVERTISED_1000baseT_Full |
59                              ADVERTISED_FIBRE);
60         cmd->port = PORT_FIBRE;
61         cmd->speed = card->phy.speed;
62         cmd->duplex = DUPLEX_FULL;
63
64         return 0;
65 }
66
67 static void
68 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
69                                struct ethtool_drvinfo *drvinfo)
70 {
71         struct spider_net_card *card;
72         card = netdev_priv(netdev);
73
74         /* clear and fill out info */
75         memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
76         strncpy(drvinfo->driver, spider_net_driver_name, 32);
77         strncpy(drvinfo->version, VERSION, 32);
78         strcpy(drvinfo->fw_version, "no information");
79         strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
80 }
81
82 static void
83 spider_net_ethtool_get_wol(struct net_device *netdev,
84                            struct ethtool_wolinfo *wolinfo)
85 {
86         /* no support for wol */
87         wolinfo->supported = 0;
88         wolinfo->wolopts = 0;
89 }
90
91 static u32
92 spider_net_ethtool_get_msglevel(struct net_device *netdev)
93 {
94         struct spider_net_card *card;
95         card = netdev_priv(netdev);
96         return card->msg_enable;
97 }
98
99 static void
100 spider_net_ethtool_set_msglevel(struct net_device *netdev,
101                                 u32 level)
102 {
103         struct spider_net_card *card;
104         card = netdev_priv(netdev);
105         card->msg_enable = level;
106 }
107
108 static int
109 spider_net_ethtool_nway_reset(struct net_device *netdev)
110 {
111         if (netif_running(netdev)) {
112                 spider_net_stop(netdev);
113                 spider_net_open(netdev);
114         }
115         return 0;
116 }
117
118 static u32
119 spider_net_ethtool_get_rx_csum(struct net_device *netdev)
120 {
121         struct spider_net_card *card = netdev->priv;
122
123         return card->options.rx_csum;
124 }
125
126 static int
127 spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
128 {
129         struct spider_net_card *card = netdev->priv;
130
131         card->options.rx_csum = n;
132         return 0;
133 }
134
135
136 static void
137 spider_net_ethtool_get_ringparam(struct net_device *netdev,
138                                  struct ethtool_ringparam *ering)
139 {
140         struct spider_net_card *card = netdev->priv;
141
142         ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
143         ering->tx_pending = card->tx_chain.num_desc;
144         ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
145         ering->rx_pending = card->rx_chain.num_desc;
146 }
147
148 static int spider_net_get_sset_count(struct net_device *netdev, int sset)
149 {
150         switch (sset) {
151         case ETH_SS_STATS:
152                 return ARRAY_SIZE(ethtool_stats_keys);
153         default:
154                 return -EOPNOTSUPP;
155         }
156 }
157
158 static void spider_net_get_ethtool_stats(struct net_device *netdev,
159                 struct ethtool_stats *stats, u64 *data)
160 {
161         struct spider_net_card *card = netdev->priv;
162
163         data[0] = netdev->stats.tx_packets;
164         data[1] = netdev->stats.tx_bytes;
165         data[2] = netdev->stats.rx_packets;
166         data[3] = netdev->stats.rx_bytes;
167         data[4] = netdev->stats.tx_errors;
168         data[5] = netdev->stats.tx_dropped;
169         data[6] = netdev->stats.rx_dropped;
170         data[7] = card->spider_stats.rx_desc_error;
171         data[8] = card->spider_stats.tx_timeouts;
172         data[9] = card->spider_stats.alloc_rx_skb_error;
173         data[10] = card->spider_stats.rx_iommu_map_error;
174         data[11] = card->spider_stats.tx_iommu_map_error;
175         data[12] = card->spider_stats.rx_desc_unk_state;
176 }
177
178 static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
179                                    u8 *data)
180 {
181         memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
182 }
183
184 const struct ethtool_ops spider_net_ethtool_ops = {
185         .get_settings           = spider_net_ethtool_get_settings,
186         .get_drvinfo            = spider_net_ethtool_get_drvinfo,
187         .get_wol                = spider_net_ethtool_get_wol,
188         .get_msglevel           = spider_net_ethtool_get_msglevel,
189         .set_msglevel           = spider_net_ethtool_set_msglevel,
190         .get_link               = ethtool_op_get_link,
191         .nway_reset             = spider_net_ethtool_nway_reset,
192         .get_rx_csum            = spider_net_ethtool_get_rx_csum,
193         .set_rx_csum            = spider_net_ethtool_set_rx_csum,
194         .set_tx_csum            = ethtool_op_set_tx_csum,
195         .get_ringparam          = spider_net_ethtool_get_ringparam,
196         .get_strings            = spider_net_get_strings,
197         .get_sset_count         = spider_net_get_sset_count,
198         .get_ethtool_stats      = spider_net_get_ethtool_stats,
199 };
200