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
atl1c_get_settings(struct net_device * netdev,struct ethtool_cmd * ecmd)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, SPEED_UNKNOWN);
60 ecmd->duplex = DUPLEX_UNKNOWN;
61 }
62
63 ecmd->autoneg = AUTONEG_ENABLE;
64 return 0;
65 }
66
atl1c_set_settings(struct net_device * netdev,struct ethtool_cmd * ecmd)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
atl1c_get_msglevel(struct net_device * netdev)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
atl1c_set_msglevel(struct net_device * netdev,u32 data)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
atl1c_get_regs_len(struct net_device * netdev)129 static int atl1c_get_regs_len(struct net_device *netdev)
130 {
131 return AT_REGS_LEN;
132 }
133
atl1c_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)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 = 1;
145 AT_READ_REG(hw, REG_PM_CTRL, p++);
146 AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++);
147 AT_READ_REG(hw, REG_TWSI_CTRL, p++);
148 AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++);
149 AT_READ_REG(hw, REG_MASTER_CTRL, p++);
150 AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++);
151 AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
152 AT_READ_REG(hw, REG_GPHY_CTRL, p++);
153 AT_READ_REG(hw, REG_LINK_CTRL, p++);
154 AT_READ_REG(hw, REG_IDLE_STATUS, p++);
155 AT_READ_REG(hw, REG_MDIO_CTRL, p++);
156 AT_READ_REG(hw, REG_SERDES, p++);
157 AT_READ_REG(hw, REG_MAC_CTRL, p++);
158 AT_READ_REG(hw, REG_MAC_IPG_IFG, p++);
159 AT_READ_REG(hw, REG_MAC_STA_ADDR, p++);
160 AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++);
161 AT_READ_REG(hw, REG_RX_HASH_TABLE, p++);
162 AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++);
163 AT_READ_REG(hw, REG_RXQ_CTRL, p++);
164 AT_READ_REG(hw, REG_TXQ_CTRL, p++);
165 AT_READ_REG(hw, REG_MTU, p++);
166 AT_READ_REG(hw, REG_WOL_CTRL, p++);
167
168 atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
169 regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data;
170 atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
171 regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data;
172 }
173
atl1c_get_eeprom_len(struct net_device * netdev)174 static int atl1c_get_eeprom_len(struct net_device *netdev)
175 {
176 struct atl1c_adapter *adapter = netdev_priv(netdev);
177
178 if (atl1c_check_eeprom_exist(&adapter->hw))
179 return AT_EEPROM_LEN;
180 else
181 return 0;
182 }
183
atl1c_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)184 static int atl1c_get_eeprom(struct net_device *netdev,
185 struct ethtool_eeprom *eeprom, u8 *bytes)
186 {
187 struct atl1c_adapter *adapter = netdev_priv(netdev);
188 struct atl1c_hw *hw = &adapter->hw;
189 u32 *eeprom_buff;
190 int first_dword, last_dword;
191 int ret_val = 0;
192 int i;
193
194 if (eeprom->len == 0)
195 return -EINVAL;
196
197 if (!atl1c_check_eeprom_exist(hw)) /* not exist */
198 return -EINVAL;
199
200 eeprom->magic = adapter->pdev->vendor |
201 (adapter->pdev->device << 16);
202
203 first_dword = eeprom->offset >> 2;
204 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
205
206 eeprom_buff = kmalloc(sizeof(u32) *
207 (last_dword - first_dword + 1), GFP_KERNEL);
208 if (eeprom_buff == NULL)
209 return -ENOMEM;
210
211 for (i = first_dword; i < last_dword; i++) {
212 if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
213 kfree(eeprom_buff);
214 return -EIO;
215 }
216 }
217
218 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
219 eeprom->len);
220 kfree(eeprom_buff);
221
222 return ret_val;
223 return 0;
224 }
225
atl1c_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)226 static void atl1c_get_drvinfo(struct net_device *netdev,
227 struct ethtool_drvinfo *drvinfo)
228 {
229 struct atl1c_adapter *adapter = netdev_priv(netdev);
230
231 strlcpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver));
232 strlcpy(drvinfo->version, atl1c_driver_version,
233 sizeof(drvinfo->version));
234 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
235 sizeof(drvinfo->bus_info));
236 }
237
atl1c_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)238 static void atl1c_get_wol(struct net_device *netdev,
239 struct ethtool_wolinfo *wol)
240 {
241 struct atl1c_adapter *adapter = netdev_priv(netdev);
242
243 wol->supported = WAKE_MAGIC | WAKE_PHY;
244 wol->wolopts = 0;
245
246 if (adapter->wol & AT_WUFC_EX)
247 wol->wolopts |= WAKE_UCAST;
248 if (adapter->wol & AT_WUFC_MC)
249 wol->wolopts |= WAKE_MCAST;
250 if (adapter->wol & AT_WUFC_BC)
251 wol->wolopts |= WAKE_BCAST;
252 if (adapter->wol & AT_WUFC_MAG)
253 wol->wolopts |= WAKE_MAGIC;
254 if (adapter->wol & AT_WUFC_LNKC)
255 wol->wolopts |= WAKE_PHY;
256 }
257
atl1c_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)258 static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
259 {
260 struct atl1c_adapter *adapter = netdev_priv(netdev);
261
262 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
263 WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
264 return -EOPNOTSUPP;
265 /* these settings will always override what we currently have */
266 adapter->wol = 0;
267
268 if (wol->wolopts & WAKE_MAGIC)
269 adapter->wol |= AT_WUFC_MAG;
270 if (wol->wolopts & WAKE_PHY)
271 adapter->wol |= AT_WUFC_LNKC;
272
273 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
274
275 return 0;
276 }
277
atl1c_nway_reset(struct net_device * netdev)278 static int atl1c_nway_reset(struct net_device *netdev)
279 {
280 struct atl1c_adapter *adapter = netdev_priv(netdev);
281 if (netif_running(netdev))
282 atl1c_reinit_locked(adapter);
283 return 0;
284 }
285
286 static const struct ethtool_ops atl1c_ethtool_ops = {
287 .get_settings = atl1c_get_settings,
288 .set_settings = atl1c_set_settings,
289 .get_drvinfo = atl1c_get_drvinfo,
290 .get_regs_len = atl1c_get_regs_len,
291 .get_regs = atl1c_get_regs,
292 .get_wol = atl1c_get_wol,
293 .set_wol = atl1c_set_wol,
294 .get_msglevel = atl1c_get_msglevel,
295 .set_msglevel = atl1c_set_msglevel,
296 .nway_reset = atl1c_nway_reset,
297 .get_link = ethtool_op_get_link,
298 .get_eeprom_len = atl1c_get_eeprom_len,
299 .get_eeprom = atl1c_get_eeprom,
300 };
301
atl1c_set_ethtool_ops(struct net_device * netdev)302 void atl1c_set_ethtool_ops(struct net_device *netdev)
303 {
304 netdev->ethtool_ops = &atl1c_ethtool_ops;
305 }
306