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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / net / ethernet / atheros / atl1c / atl1c_ethtool.c
blob7be884d0aaf6e36464a5908aefdd29c12a2dadab
1 /*
2 * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.
3 *
4 * Derived from Intel e1000 driver
5 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc., 59
19 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 *
21 */
22
23 #include <linux/netdevice.h>
24 #include <linux/ethtool.h>
25 #include <linux/slab.h>
26
27 #include "atl1c.h"
28
29 static int atl1c_get_settings(struct net_device *netdev,
30 struct ethtool_cmd *ecmd)
31 {
32 struct atl1c_adapter *adapter = netdev_priv(netdev);
33 struct atl1c_hw *hw = &adapter->hw;
34
35 ecmd->supported = (SUPPORTED_10baseT_Half |
36 SUPPORTED_10baseT_Full |
37 SUPPORTED_100baseT_Half |
38 SUPPORTED_100baseT_Full |
39 SUPPORTED_Autoneg |
40 SUPPORTED_TP);
41 if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M)
42 ecmd->supported |= SUPPORTED_1000baseT_Full;
43
44 ecmd->advertising = ADVERTISED_TP;
45
46 ecmd->advertising |= hw->autoneg_advertised;
47
48 ecmd->port = PORT_TP;
49 ecmd->phy_address = 0;
50 ecmd->transceiver = XCVR_INTERNAL;
51
52 if (adapter->link_speed != SPEED_0) {
53 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
54 if (adapter->link_duplex == FULL_DUPLEX)
55 ecmd->duplex = DUPLEX_FULL;
56 else
57 ecmd->duplex = DUPLEX_HALF;
58 } else {
59 ethtool_cmd_speed_set(ecmd, -1);
60 ecmd->duplex = -1;
61 }
62
63 ecmd->autoneg = AUTONEG_ENABLE;
64 return 0;
65 }
66
67 static int atl1c_set_settings(struct net_device *netdev,
68 struct ethtool_cmd *ecmd)
69 {
70 struct atl1c_adapter *adapter = netdev_priv(netdev);
71 struct atl1c_hw *hw = &adapter->hw;
72 u16 autoneg_advertised;
73
74 while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
75 msleep(1);
76
77 if (ecmd->autoneg == AUTONEG_ENABLE) {
78 autoneg_advertised = ADVERTISED_Autoneg;
79 } else {
80 u32 speed = ethtool_cmd_speed(ecmd);
81 if (speed == SPEED_1000) {
82 if (ecmd->duplex != DUPLEX_FULL) {
83 if (netif_msg_link(adapter))
84 dev_warn(&adapter->pdev->dev,
85 "1000M half is invalid\n");
86 clear_bit(__AT_RESETTING, &adapter->flags);
87 return -EINVAL;
88 }
89 autoneg_advertised = ADVERTISED_1000baseT_Full;
90 } else if (speed == SPEED_100) {
91 if (ecmd->duplex == DUPLEX_FULL)
92 autoneg_advertised = ADVERTISED_100baseT_Full;
93 else
94 autoneg_advertised = ADVERTISED_100baseT_Half;
95 } else {
96 if (ecmd->duplex == DUPLEX_FULL)
97 autoneg_advertised = ADVERTISED_10baseT_Full;
98 else
99 autoneg_advertised = ADVERTISED_10baseT_Half;
100 }
101 }
102
103 if (hw->autoneg_advertised != autoneg_advertised) {
104 hw->autoneg_advertised = autoneg_advertised;
105 if (atl1c_restart_autoneg(hw) != 0) {
106 if (netif_msg_link(adapter))
107 dev_warn(&adapter->pdev->dev,
108 "ethtool speed/duplex setting failed\n");
109 clear_bit(__AT_RESETTING, &adapter->flags);
110 return -EINVAL;
111 }
112 }
113 clear_bit(__AT_RESETTING, &adapter->flags);
114 return 0;
115 }
116
117 static u32 atl1c_get_msglevel(struct net_device *netdev)
118 {
119 struct atl1c_adapter *adapter = netdev_priv(netdev);
120 return adapter->msg_enable;
121 }
122
123 static void atl1c_set_msglevel(struct net_device *netdev, u32 data)
124 {
125 struct atl1c_adapter *adapter = netdev_priv(netdev);
126 adapter->msg_enable = data;
127 }
128
129 static int atl1c_get_regs_len(struct net_device *netdev)
130 {
131 return AT_REGS_LEN;
132 }
133
134 static void atl1c_get_regs(struct net_device *netdev,
135 struct ethtool_regs *regs, void *p)
136 {
137 struct atl1c_adapter *adapter = netdev_priv(netdev);
138 struct atl1c_hw *hw = &adapter->hw;
139 u32 *regs_buff = p;
140 u16 phy_data;
141
142 memset(p, 0, AT_REGS_LEN);
143
144 regs->version = 0;
145 AT_READ_REG(hw, REG_VPD_CAP, p++);
146 AT_READ_REG(hw, REG_PM_CTRL, p++);
147 AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++);
148 AT_READ_REG(hw, REG_TWSI_CTRL, p++);
149 AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++);
150 AT_READ_REG(hw, REG_MASTER_CTRL, p++);
151 AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++);
152 AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
153 AT_READ_REG(hw, REG_GPHY_CTRL, p++);
154 AT_READ_REG(hw, REG_LINK_CTRL, p++);
155 AT_READ_REG(hw, REG_IDLE_STATUS, p++);
156 AT_READ_REG(hw, REG_MDIO_CTRL, p++);
157 AT_READ_REG(hw, REG_SERDES_LOCK, p++);
158 AT_READ_REG(hw, REG_MAC_CTRL, p++);
159 AT_READ_REG(hw, REG_MAC_IPG_IFG, p++);
160 AT_READ_REG(hw, REG_MAC_STA_ADDR, p++);
161 AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++);
162 AT_READ_REG(hw, REG_RX_HASH_TABLE, p++);
163 AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++);
164 AT_READ_REG(hw, REG_RXQ_CTRL, p++);
165 AT_READ_REG(hw, REG_TXQ_CTRL, p++);
166 AT_READ_REG(hw, REG_MTU, p++);
167 AT_READ_REG(hw, REG_WOL_CTRL, p++);
168
169 atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
170 regs_buff[73] = (u32) phy_data;
171 atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
172 regs_buff[74] = (u32) phy_data;
173 }
174
175 static int atl1c_get_eeprom_len(struct net_device *netdev)
176 {
177 struct atl1c_adapter *adapter = netdev_priv(netdev);
178
179 if (atl1c_check_eeprom_exist(&adapter->hw))
180 return AT_EEPROM_LEN;
181 else
182 return 0;
183 }
184
185 static int atl1c_get_eeprom(struct net_device *netdev,
186 struct ethtool_eeprom *eeprom, u8 *bytes)
187 {
188 struct atl1c_adapter *adapter = netdev_priv(netdev);
189 struct atl1c_hw *hw = &adapter->hw;
190 u32 *eeprom_buff;
191 int first_dword, last_dword;
192 int ret_val = 0;
193 int i;
194
195 if (eeprom->len == 0)
196 return -EINVAL;
197
198 if (!atl1c_check_eeprom_exist(hw)) /* not exist */
199 return -EINVAL;
200
201 eeprom->magic = adapter->pdev->vendor |
202 (adapter->pdev->device << 16);
203
204 first_dword = eeprom->offset >> 2;
205 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
206
207 eeprom_buff = kmalloc(sizeof(u32) *
208 (last_dword - first_dword + 1), GFP_KERNEL);
209 if (eeprom_buff == NULL)
210 return -ENOMEM;
211
212 for (i = first_dword; i < last_dword; i++) {
213 if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
214 kfree(eeprom_buff);
215 return -EIO;
216 }
217 }
218
219 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
220 eeprom->len);
221 kfree(eeprom_buff);
222
223 return ret_val;
224 return 0;
225 }
226
227 static void atl1c_get_drvinfo(struct net_device *netdev,
228 struct ethtool_drvinfo *drvinfo)
229 {
230 struct atl1c_adapter *adapter = netdev_priv(netdev);
231
232 strlcpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver));
233 strlcpy(drvinfo->version, atl1c_driver_version,
234 sizeof(drvinfo->version));
235 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
236 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
237 sizeof(drvinfo->bus_info));
238 drvinfo->n_stats = 0;
239 drvinfo->testinfo_len = 0;
240 drvinfo->regdump_len = atl1c_get_regs_len(netdev);
241 drvinfo->eedump_len = atl1c_get_eeprom_len(netdev);
242 }
243
244 static void atl1c_get_wol(struct net_device *netdev,
245 struct ethtool_wolinfo *wol)
246 {
247 struct atl1c_adapter *adapter = netdev_priv(netdev);
248
249 wol->supported = WAKE_MAGIC | WAKE_PHY;
250 wol->wolopts = 0;
251
252 if (adapter->wol & AT_WUFC_EX)
253 wol->wolopts |= WAKE_UCAST;
254 if (adapter->wol & AT_WUFC_MC)
255 wol->wolopts |= WAKE_MCAST;
256 if (adapter->wol & AT_WUFC_BC)
257 wol->wolopts |= WAKE_BCAST;
258 if (adapter->wol & AT_WUFC_MAG)
259 wol->wolopts |= WAKE_MAGIC;
260 if (adapter->wol & AT_WUFC_LNKC)
261 wol->wolopts |= WAKE_PHY;
262 }
263
264 static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
265 {
266 struct atl1c_adapter *adapter = netdev_priv(netdev);
267
268 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
269 WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
270 return -EOPNOTSUPP;
271 /* these settings will always override what we currently have */
272 adapter->wol = 0;
273
274 if (wol->wolopts & WAKE_MAGIC)
275 adapter->wol |= AT_WUFC_MAG;
276 if (wol->wolopts & WAKE_PHY)
277 adapter->wol |= AT_WUFC_LNKC;
278
279 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
280
281 return 0;
282 }
283
284 static int atl1c_nway_reset(struct net_device *netdev)
285 {
286 struct atl1c_adapter *adapter = netdev_priv(netdev);
287 if (netif_running(netdev))
288 atl1c_reinit_locked(adapter);
289 return 0;
290 }
291
292 static const struct ethtool_ops atl1c_ethtool_ops = {
293 .get_settings = atl1c_get_settings,
294 .set_settings = atl1c_set_settings,
295 .get_drvinfo = atl1c_get_drvinfo,
296 .get_regs_len = atl1c_get_regs_len,
297 .get_regs = atl1c_get_regs,
298 .get_wol = atl1c_get_wol,
299 .set_wol = atl1c_set_wol,
300 .get_msglevel = atl1c_get_msglevel,
301 .set_msglevel = atl1c_set_msglevel,
302 .nway_reset = atl1c_nway_reset,
303 .get_link = ethtool_op_get_link,
304 .get_eeprom_len = atl1c_get_eeprom_len,
305 .get_eeprom = atl1c_get_eeprom,
306 };
307
308 void atl1c_set_ethtool_ops(struct net_device *netdev)
309 {
310 SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops);
311 }
linux-next