aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/spider_net_ethtool.c
blob: 91b99510291516d172701c2b7e9e9cff6f4f30ce (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
/*
 * Network device driver for Cell Processor-Based Blade
 *
 * (C) Copyright IBM Corp. 2005
 *
 * Authors : Utz Bacher <utz.bacher@de.ibm.com>
 *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/pci.h>

#include "spider_net.h"


#define SPIDER_NET_NUM_STATS 13

static struct {
	const char str[ETH_GSTRING_LEN];
} ethtool_stats_keys[] = {
	{ "tx_packets" },
	{ "tx_bytes" },
	{ "rx_packets" },
	{ "rx_bytes" },
	{ "tx_errors" },
	{ "tx_dropped" },
	{ "rx_dropped" },
	{ "rx_descriptor_error" },
	{ "tx_timeouts" },
	{ "alloc_rx_skb_error" },
	{ "rx_iommu_map_error" },
	{ "tx_iommu_map_error" },
	{ "rx_desc_unk_state" },
};

static int
spider_net_ethtool_get_settings(struct net_device *netdev,
			       struct ethtool_cmd *cmd)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);

	cmd->supported   = (SUPPORTED_1000baseT_Full |
			     SUPPORTED_FIBRE);
	cmd->advertising = (ADVERTISED_1000baseT_Full |
			     ADVERTISED_FIBRE);
	cmd->port = PORT_FIBRE;
	cmd->speed = card->phy.speed;
	cmd->duplex = DUPLEX_FULL;

	return 0;
}

static void
spider_net_ethtool_get_drvinfo(struct net_device *netdev,
			       struct ethtool_drvinfo *drvinfo)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);

	/* clear and fill out info */
	memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
	strncpy(drvinfo->driver, spider_net_driver_name, 32);
	strncpy(drvinfo->version, VERSION, 32);
	strcpy(drvinfo->fw_version, "no information");
	strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
}

static void
spider_net_ethtool_get_wol(struct net_device *netdev,
			   struct ethtool_wolinfo *wolinfo)
{
	/* no support for wol */
	wolinfo->supported = 0;
	wolinfo->wolopts = 0;
}

static u32
spider_net_ethtool_get_msglevel(struct net_device *netdev)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);
	return card->msg_enable;
}

static void
spider_net_ethtool_set_msglevel(struct net_device *netdev,
				u32 level)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);
	card->msg_enable = level;
}

static int
spider_net_ethtool_nway_reset(struct net_device *netdev)
{
	if (netif_running(netdev)) {
		spider_net_stop(netdev);
		spider_net_open(netdev);
	}
	return 0;
}

static u32
spider_net_ethtool_get_rx_csum(struct net_device *netdev)
{
	struct spider_net_card *card = netdev->priv;

	return card->options.rx_csum;
}

static int
spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
{
	struct spider_net_card *card = netdev->priv;

	card->options.rx_csum = n;
	return 0;
}

static uint32_t
spider_net_ethtool_get_tx_csum(struct net_device *netdev)
{
        return (netdev->features & NETIF_F_HW_CSUM) != 0;
}

static int
spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
{
        if (data)
                netdev->features |= NETIF_F_HW_CSUM;
        else
                netdev->features &= ~NETIF_F_HW_CSUM;

        return 0;
}

static void
spider_net_ethtool_get_ringparam(struct net_device *netdev,
				 struct ethtool_ringparam *ering)
{
	struct spider_net_card *card = netdev->priv;

	ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
	ering->tx_pending = card->num_tx_desc;
	ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
	ering->rx_pending = card->num_rx_desc;
}

static int spider_net_get_stats_count(struct net_device *netdev)
{
	return SPIDER_NET_NUM_STATS;
}

static void spider_net_get_ethtool_stats(struct net_device *netdev,
		struct ethtool_stats *stats, u64 *data)
{
	struct spider_net_card *card = netdev->priv;

	data[0] = card->netdev_stats.tx_packets;
	data[1] = card->netdev_stats.tx_bytes;
	data[2] = card->netdev_stats.rx_packets;
	data[3] = card->netdev_stats.rx_bytes;
	data[4] = card->netdev_stats.tx_errors;
	data[5] = card->netdev_stats.tx_dropped;
	data[6] = card->netdev_stats.rx_dropped;
	data[7] = card->spider_stats.rx_desc_error;
	data[8] = card->spider_stats.tx_timeouts;
	data[9] = card->spider_stats.alloc_rx_skb_error;
	data[10] = card->spider_stats.rx_iommu_map_error;
	data[11] = card->spider_stats.tx_iommu_map_error;
	data[12] = card->spider_stats.rx_desc_unk_state;
}

static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
				   u8 *data)
{
	memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
}

const struct ethtool_ops spider_net_ethtool_ops = {
	.get_settings		= spider_net_ethtool_get_settings,
	.get_drvinfo		= spider_net_ethtool_get_drvinfo,
	.get_wol		= spider_net_ethtool_get_wol,
	.get_msglevel		= spider_net_ethtool_get_msglevel,
	.set_msglevel		= spider_net_ethtool_set_msglevel,
	.nway_reset		= spider_net_ethtool_nway_reset,
	.get_rx_csum		= spider_net_ethtool_get_rx_csum,
	.set_rx_csum		= spider_net_ethtool_set_rx_csum,
	.get_tx_csum		= spider_net_ethtool_get_tx_csum,
	.set_tx_csum		= spider_net_ethtool_set_tx_csum,
	.get_ringparam          = spider_net_ethtool_get_ringparam,
	.get_strings		= spider_net_get_strings,
	.get_stats_count	= spider_net_get_stats_count,
	.get_ethtool_stats	= spider_net_get_ethtool_stats,
};