ACPI: Add the reference count to avoid unloading ACPI video bus twice
[linux-2.6.git] / drivers / net / pasemi_mac_ethtool.c
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
29 static 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
67 static int
68 pasemi_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         return phy_ethtool_gset(phydev, cmd);
75 }
76
77 static void
78 pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
79                                struct ethtool_drvinfo *drvinfo)
80 {
81         struct pasemi_mac *mac;
82         mac = netdev_priv(netdev);
83
84         /* clear and fill out info */
85         memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
86         strncpy(drvinfo->driver, "pasemi_mac", 12);
87         strcpy(drvinfo->version, "N/A");
88         strcpy(drvinfo->fw_version, "N/A");
89         strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
90 }
91
92 static u32
93 pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
94 {
95         struct pasemi_mac *mac = netdev_priv(netdev);
96         return mac->msg_enable;
97 }
98
99 static void
100 pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
101                                 u32 level)
102 {
103         struct pasemi_mac *mac = netdev_priv(netdev);
104         mac->msg_enable = level;
105 }
106
107
108 static void
109 pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
110                                  struct ethtool_ringparam *ering)
111 {
112         struct pasemi_mac *mac = netdev_priv(netdev);
113
114         ering->tx_max_pending = TX_RING_SIZE/2;
115         ering->tx_pending = RING_USED(mac->tx)/2;
116         ering->rx_max_pending = RX_RING_SIZE/4;
117         ering->rx_pending = RING_USED(mac->rx)/4;
118 }
119
120 static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
121 {
122         switch (sset) {
123         case ETH_SS_STATS:
124                 return ARRAY_SIZE(ethtool_stats_keys);
125         default:
126                 return -EOPNOTSUPP;
127         }
128 }
129
130 static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
131                 struct ethtool_stats *stats, u64 *data)
132 {
133         struct pasemi_mac *mac = netdev_priv(netdev);
134         int i;
135
136         data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
137                         >> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
138         for (i = 0; i < 32; i++)
139                 data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
140 }
141
142 static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
143                                    u8 *data)
144 {
145         memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
146 }
147
148 const struct ethtool_ops pasemi_mac_ethtool_ops = {
149         .get_settings           = pasemi_mac_ethtool_get_settings,
150         .get_drvinfo            = pasemi_mac_ethtool_get_drvinfo,
151         .get_msglevel           = pasemi_mac_ethtool_get_msglevel,
152         .set_msglevel           = pasemi_mac_ethtool_set_msglevel,
153         .get_link               = ethtool_op_get_link,
154         .get_ringparam          = pasemi_mac_ethtool_get_ringparam,
155         .get_strings            = pasemi_mac_get_strings,
156         .get_sset_count         = pasemi_mac_get_sset_count,
157         .get_ethtool_stats      = pasemi_mac_get_ethtool_stats,
158 };
159