tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2006-2008 PA Semi, Inc
3 *
4 * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20
21#include <linux/netdevice.h>
22#include <linux/ethtool.h>
23#include <linux/pci.h>
24#include <linux/inet_lro.h>
25
26#include <asm/pasemi_dma.h>
27#include "pasemi_mac.h"
28
29static struct {
30 const char str[ETH_GSTRING_LEN];
31} ethtool_stats_keys[] = {
32 { "rx-drops" },
33 { "rx-bytes" },
34 { "rx-packets" },
35 { "rx-broadcast-packets" },
36 { "rx-multicast-packets" },
37 { "rx-crc-errors" },
38 { "rx-undersize-errors" },
39 { "rx-oversize-errors" },
40 { "rx-short-fragment-errors" },
41 { "rx-jabber-errors" },
42 { "rx-64-byte-packets" },
43 { "rx-65-127-byte-packets" },
44 { "rx-128-255-byte-packets" },
45 { "rx-256-511-byte-packets" },
46 { "rx-512-1023-byte-packets" },
47 { "rx-1024-1518-byte-packets" },
48 { "rx-pause-frames" },
49 { "tx-bytes" },
50 { "tx-packets" },
51 { "tx-broadcast-packets" },
52 { "tx-multicast-packets" },
53 { "tx-collisions" },
54 { "tx-late-collisions" },
55 { "tx-excessive-collisions" },
56 { "tx-crc-errors" },
57 { "tx-undersize-errors" },
58 { "tx-oversize-errors" },
59 { "tx-64-byte-packets" },
60 { "tx-65-127-byte-packets" },
61 { "tx-128-255-byte-packets" },
62 { "tx-256-511-byte-packets" },
63 { "tx-512-1023-byte-packets" },
64 { "tx-1024-1518-byte-packets" },
65};
66
67static int
68pasemi_mac_ethtool_get_settings(struct net_device *netdev,
69 struct ethtool_cmd *cmd)
70{
71 struct pasemi_mac *mac = netdev_priv(netdev);
72 struct phy_device *phydev = mac->phydev;
73
74 if (!phydev)
75 return -EOPNOTSUPP;
76
77 return phy_ethtool_gset(phydev, cmd);
78}
79
80static int
81pasemi_mac_ethtool_set_settings(struct net_device *netdev,
82 struct ethtool_cmd *cmd)
83{
84 struct pasemi_mac *mac = netdev_priv(netdev);
85 struct phy_device *phydev = mac->phydev;
86
87 if (!phydev)
88 return -EOPNOTSUPP;
89
90 return phy_ethtool_sset(phydev, cmd);
91}
92
93static void
94pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
95 struct ethtool_drvinfo *drvinfo)
96{
97 struct pasemi_mac *mac;
98 mac = netdev_priv(netdev);
99
100 /* clear and fill out info */
101 memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
102 strncpy(drvinfo->driver, "pasemi_mac", 12);
103 strcpy(drvinfo->version, "N/A");
104 strcpy(drvinfo->fw_version, "N/A");
105 strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
106}
107
108static u32
109pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
110{
111 struct pasemi_mac *mac = netdev_priv(netdev);
112 return mac->msg_enable;
113}
114
115static void
116pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
117 u32 level)
118{
119 struct pasemi_mac *mac = netdev_priv(netdev);
120 mac->msg_enable = level;
121}
122
123
124static void
125pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
126 struct ethtool_ringparam *ering)
127{
128 struct pasemi_mac *mac = netdev_priv(netdev);
129
130 ering->tx_max_pending = TX_RING_SIZE/2;
131 ering->tx_pending = RING_USED(mac->tx)/2;
132 ering->rx_max_pending = RX_RING_SIZE/4;
133 ering->rx_pending = RING_USED(mac->rx)/4;
134}
135
136static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
137{
138 switch (sset) {
139 case ETH_SS_STATS:
140 return ARRAY_SIZE(ethtool_stats_keys);
141 default:
142 return -EOPNOTSUPP;
143 }
144}
145
146static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
147 struct ethtool_stats *stats, u64 *data)
148{
149 struct pasemi_mac *mac = netdev_priv(netdev);
150 int i;
151
152 data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
153 >> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
154 for (i = 0; i < 32; i++)
155 data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
156}
157
158static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
159 u8 *data)
160{
161 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
162}
163
164const struct ethtool_ops pasemi_mac_ethtool_ops = {
165 .get_settings = pasemi_mac_ethtool_get_settings,
166 .set_settings = pasemi_mac_ethtool_set_settings,
167 .get_drvinfo = pasemi_mac_ethtool_get_drvinfo,
168 .get_msglevel = pasemi_mac_ethtool_get_msglevel,
169 .set_msglevel = pasemi_mac_ethtool_set_msglevel,
170 .get_link = ethtool_op_get_link,
171 .get_ringparam = pasemi_mac_ethtool_get_ringparam,
172 .get_strings = pasemi_mac_get_strings,
173 .get_sset_count = pasemi_mac_get_sset_count,
174 .get_ethtool_stats = pasemi_mac_get_ethtool_stats,
175};
176