Root/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
31static 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
49static int
50spider_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
67static void
68spider_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
82static void
83spider_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
91static u32
92spider_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
99static void
100spider_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
108static int
109spider_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
118static u32
119spider_net_ethtool_get_rx_csum(struct net_device *netdev)
120{
121    struct spider_net_card *card = netdev_priv(netdev);
122
123    return card->options.rx_csum;
124}
125
126static int
127spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
128{
129    struct spider_net_card *card = netdev_priv(netdev);
130
131    card->options.rx_csum = n;
132    return 0;
133}
134
135
136static void
137spider_net_ethtool_get_ringparam(struct net_device *netdev,
138                 struct ethtool_ringparam *ering)
139{
140    struct spider_net_card *card = netdev_priv(netdev);
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
148static 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
158static 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(netdev);
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
178static 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
184const 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
201

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