Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
[linux-2.6] / 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 #define SPIDER_NET_NUM_STATS 13
32
33 static struct {
34         const char str[ETH_GSTRING_LEN];
35 } ethtool_stats_keys[] = {
36         { "tx_packets" },
37         { "tx_bytes" },
38         { "rx_packets" },
39         { "rx_bytes" },
40         { "tx_errors" },
41         { "tx_dropped" },
42         { "rx_dropped" },
43         { "rx_descriptor_error" },
44         { "tx_timeouts" },
45         { "alloc_rx_skb_error" },
46         { "rx_iommu_map_error" },
47         { "tx_iommu_map_error" },
48         { "rx_desc_unk_state" },
49 };
50
51 static int
52 spider_net_ethtool_get_settings(struct net_device *netdev,
53                                struct ethtool_cmd *cmd)
54 {
55         struct spider_net_card *card;
56         card = netdev_priv(netdev);
57
58         cmd->supported   = (SUPPORTED_1000baseT_Full |
59                              SUPPORTED_FIBRE);
60         cmd->advertising = (ADVERTISED_1000baseT_Full |
61                              ADVERTISED_FIBRE);
62         cmd->port = PORT_FIBRE;
63         cmd->speed = card->phy.speed;
64         cmd->duplex = DUPLEX_FULL;
65
66         return 0;
67 }
68
69 static void
70 spider_net_ethtool_get_drvinfo(struct net_device *netdev,
71                                struct ethtool_drvinfo *drvinfo)
72 {
73         struct spider_net_card *card;
74         card = netdev_priv(netdev);
75
76         /* clear and fill out info */
77         memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
78         strncpy(drvinfo->driver, spider_net_driver_name, 32);
79         strncpy(drvinfo->version, VERSION, 32);
80         strcpy(drvinfo->fw_version, "no information");
81         strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
82 }
83
84 static void
85 spider_net_ethtool_get_wol(struct net_device *netdev,
86                            struct ethtool_wolinfo *wolinfo)
87 {
88         /* no support for wol */
89         wolinfo->supported = 0;
90         wolinfo->wolopts = 0;
91 }
92
93 static u32
94 spider_net_ethtool_get_msglevel(struct net_device *netdev)
95 {
96         struct spider_net_card *card;
97         card = netdev_priv(netdev);
98         return card->msg_enable;
99 }
100
101 static void
102 spider_net_ethtool_set_msglevel(struct net_device *netdev,
103                                 u32 level)
104 {
105         struct spider_net_card *card;
106         card = netdev_priv(netdev);
107         card->msg_enable = level;
108 }
109
110 static int
111 spider_net_ethtool_nway_reset(struct net_device *netdev)
112 {
113         if (netif_running(netdev)) {
114                 spider_net_stop(netdev);
115                 spider_net_open(netdev);
116         }
117         return 0;
118 }
119
120 static u32
121 spider_net_ethtool_get_rx_csum(struct net_device *netdev)
122 {
123         struct spider_net_card *card = netdev->priv;
124
125         return card->options.rx_csum;
126 }
127
128 static int
129 spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
130 {
131         struct spider_net_card *card = netdev->priv;
132
133         card->options.rx_csum = n;
134         return 0;
135 }
136
137 static uint32_t
138 spider_net_ethtool_get_tx_csum(struct net_device *netdev)
139 {
140         return (netdev->features & NETIF_F_HW_CSUM) != 0;
141 }
142
143 static int
144 spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
145 {
146         if (data)
147                 netdev->features |= NETIF_F_HW_CSUM;
148         else
149                 netdev->features &= ~NETIF_F_HW_CSUM;
150
151         return 0;
152 }
153
154 static void
155 spider_net_ethtool_get_ringparam(struct net_device *netdev,
156                                  struct ethtool_ringparam *ering)
157 {
158         struct spider_net_card *card = netdev->priv;
159
160         ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
161         ering->tx_pending = card->tx_chain.num_desc;
162         ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
163         ering->rx_pending = card->rx_chain.num_desc;
164 }
165
166 static int spider_net_get_stats_count(struct net_device *netdev)
167 {
168         return SPIDER_NET_NUM_STATS;
169 }
170
171 static void spider_net_get_ethtool_stats(struct net_device *netdev,
172                 struct ethtool_stats *stats, u64 *data)
173 {
174         struct spider_net_card *card = netdev->priv;
175
176         data[0] = card->netdev_stats.tx_packets;
177         data[1] = card->netdev_stats.tx_bytes;
178         data[2] = card->netdev_stats.rx_packets;
179         data[3] = card->netdev_stats.rx_bytes;
180         data[4] = card->netdev_stats.tx_errors;
181         data[5] = card->netdev_stats.tx_dropped;
182         data[6] = card->netdev_stats.rx_dropped;
183         data[7] = card->spider_stats.rx_desc_error;
184         data[8] = card->spider_stats.tx_timeouts;
185         data[9] = card->spider_stats.alloc_rx_skb_error;
186         data[10] = card->spider_stats.rx_iommu_map_error;
187         data[11] = card->spider_stats.tx_iommu_map_error;
188         data[12] = card->spider_stats.rx_desc_unk_state;
189 }
190
191 static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
192                                    u8 *data)
193 {
194         memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
195 }
196
197 const struct ethtool_ops spider_net_ethtool_ops = {
198         .get_settings           = spider_net_ethtool_get_settings,
199         .get_drvinfo            = spider_net_ethtool_get_drvinfo,
200         .get_wol                = spider_net_ethtool_get_wol,
201         .get_msglevel           = spider_net_ethtool_get_msglevel,
202         .set_msglevel           = spider_net_ethtool_set_msglevel,
203         .nway_reset             = spider_net_ethtool_nway_reset,
204         .get_rx_csum            = spider_net_ethtool_get_rx_csum,
205         .set_rx_csum            = spider_net_ethtool_set_rx_csum,
206         .get_tx_csum            = spider_net_ethtool_get_tx_csum,
207         .set_tx_csum            = spider_net_ethtool_set_tx_csum,
208         .get_ringparam          = spider_net_ethtool_get_ringparam,
209         .get_strings            = spider_net_get_strings,
210         .get_stats_count        = spider_net_get_stats_count,
211         .get_ethtool_stats      = spider_net_get_ethtool_stats,
212 };
213