tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
33static 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
51static int
52spider_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
69static void
70spider_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
84static void
85spider_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
93static u32
94spider_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
101static void
102spider_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
110static int
111spider_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
120static u32
121spider_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
128static int
129spider_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
138static void
139spider_net_ethtool_get_ringparam(struct net_device *netdev,
140 struct ethtool_ringparam *ering)
141{
142 struct spider_net_card *card = netdev->priv;
143
144 ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
145 ering->tx_pending = card->tx_chain.num_desc;
146 ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
147 ering->rx_pending = card->rx_chain.num_desc;
148}
149
150static int spider_net_get_stats_count(struct net_device *netdev)
151{
152 return SPIDER_NET_NUM_STATS;
153}
154
155static void spider_net_get_ethtool_stats(struct net_device *netdev,
156 struct ethtool_stats *stats, u64 *data)
157{
158 struct spider_net_card *card = netdev->priv;
159
160 data[0] = card->netdev_stats.tx_packets;
161 data[1] = card->netdev_stats.tx_bytes;
162 data[2] = card->netdev_stats.rx_packets;
163 data[3] = card->netdev_stats.rx_bytes;
164 data[4] = card->netdev_stats.tx_errors;
165 data[5] = card->netdev_stats.tx_dropped;
166 data[6] = card->netdev_stats.rx_dropped;
167 data[7] = card->spider_stats.rx_desc_error;
168 data[8] = card->spider_stats.tx_timeouts;
169 data[9] = card->spider_stats.alloc_rx_skb_error;
170 data[10] = card->spider_stats.rx_iommu_map_error;
171 data[11] = card->spider_stats.tx_iommu_map_error;
172 data[12] = card->spider_stats.rx_desc_unk_state;
173}
174
175static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
176 u8 *data)
177{
178 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
179}
180
181const struct ethtool_ops spider_net_ethtool_ops = {
182 .get_settings = spider_net_ethtool_get_settings,
183 .get_drvinfo = spider_net_ethtool_get_drvinfo,
184 .get_wol = spider_net_ethtool_get_wol,
185 .get_msglevel = spider_net_ethtool_get_msglevel,
186 .set_msglevel = spider_net_ethtool_set_msglevel,
187 .get_link = ethtool_op_get_link,
188 .nway_reset = spider_net_ethtool_nway_reset,
189 .get_rx_csum = spider_net_ethtool_get_rx_csum,
190 .set_rx_csum = spider_net_ethtool_set_rx_csum,
191 .get_tx_csum = ethtool_op_get_tx_csum,
192 .set_tx_csum = ethtool_op_set_tx_csum,
193 .get_ringparam = spider_net_ethtool_get_ringparam,
194 .get_strings = spider_net_get_strings,
195 .get_stats_count = spider_net_get_stats_count,
196 .get_ethtool_stats = spider_net_get_ethtool_stats,
197};
198