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[mirror_ubuntu-eoan-kernel.git] / drivers / net / ethernet / atheros / atl1e / atl1e_ethtool.c
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1/*
2 * Copyright(c) 2007 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>
5a0e3ad6 25#include <linux/slab.h>
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26
27#include "atl1e.h"
28
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29static int atl1e_get_link_ksettings(struct net_device *netdev,
30 struct ethtool_link_ksettings *cmd)
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31{
32 struct atl1e_adapter *adapter = netdev_priv(netdev);
33 struct atl1e_hw *hw = &adapter->hw;
63fb571e 34 u32 supported, advertising;
a6a53252 35
63fb571e 36 supported = (SUPPORTED_10baseT_Half |
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37 SUPPORTED_10baseT_Full |
38 SUPPORTED_100baseT_Half |
39 SUPPORTED_100baseT_Full |
40 SUPPORTED_Autoneg |
41 SUPPORTED_TP);
42 if (hw->nic_type == athr_l1e)
63fb571e 43 supported |= SUPPORTED_1000baseT_Full;
a6a53252 44
63fb571e 45 advertising = ADVERTISED_TP;
a6a53252 46
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47 advertising |= ADVERTISED_Autoneg;
48 advertising |= hw->autoneg_advertised;
a6a53252 49
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50 cmd->base.port = PORT_TP;
51 cmd->base.phy_address = 0;
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52
53 if (adapter->link_speed != SPEED_0) {
63fb571e 54 cmd->base.speed = adapter->link_speed;
a6a53252 55 if (adapter->link_duplex == FULL_DUPLEX)
63fb571e 56 cmd->base.duplex = DUPLEX_FULL;
a6a53252 57 else
63fb571e 58 cmd->base.duplex = DUPLEX_HALF;
a6a53252 59 } else {
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60 cmd->base.speed = SPEED_UNKNOWN;
61 cmd->base.duplex = DUPLEX_UNKNOWN;
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62 }
63
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64 cmd->base.autoneg = AUTONEG_ENABLE;
65
66 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
67 supported);
68 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
69 advertising);
70
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71 return 0;
72}
73
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74static int atl1e_set_link_ksettings(struct net_device *netdev,
75 const struct ethtool_link_ksettings *cmd)
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76{
77 struct atl1e_adapter *adapter = netdev_priv(netdev);
78 struct atl1e_hw *hw = &adapter->hw;
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79 u32 advertising;
80
81 ethtool_convert_link_mode_to_legacy_u32(&advertising,
82 cmd->link_modes.advertising);
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83
84 while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
85 msleep(1);
86
63fb571e 87 if (cmd->base.autoneg == AUTONEG_ENABLE) {
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88 u16 adv4, adv9;
89
63fb571e 90 if (advertising & ADVERTISE_1000_FULL) {
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91 if (hw->nic_type == athr_l1e) {
92 hw->autoneg_advertised =
63fb571e 93 advertising & AT_ADV_MASK;
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94 } else {
95 clear_bit(__AT_RESETTING, &adapter->flags);
96 return -EINVAL;
97 }
63fb571e 98 } else if (advertising & ADVERTISE_1000_HALF) {
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99 clear_bit(__AT_RESETTING, &adapter->flags);
100 return -EINVAL;
101 } else {
102 hw->autoneg_advertised =
63fb571e 103 advertising & AT_ADV_MASK;
a6a53252 104 }
63fb571e 105 advertising = hw->autoneg_advertised |
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106 ADVERTISED_TP | ADVERTISED_Autoneg;
107
ccd5c8ef 108 adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL;
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109 adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
110 if (hw->autoneg_advertised & ADVERTISE_10_HALF)
ccd5c8ef 111 adv4 |= ADVERTISE_10HALF;
a6a53252 112 if (hw->autoneg_advertised & ADVERTISE_10_FULL)
ccd5c8ef 113 adv4 |= ADVERTISE_10FULL;
a6a53252 114 if (hw->autoneg_advertised & ADVERTISE_100_HALF)
ccd5c8ef 115 adv4 |= ADVERTISE_100HALF;
a6a53252 116 if (hw->autoneg_advertised & ADVERTISE_100_FULL)
ccd5c8ef 117 adv4 |= ADVERTISE_100FULL;
a6a53252 118 if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
ccd5c8ef 119 adv9 |= ADVERTISE_1000FULL;
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120
121 if (adv4 != hw->mii_autoneg_adv_reg ||
122 adv9 != hw->mii_1000t_ctrl_reg) {
123 hw->mii_autoneg_adv_reg = adv4;
124 hw->mii_1000t_ctrl_reg = adv9;
125 hw->re_autoneg = true;
126 }
127
128 } else {
129 clear_bit(__AT_RESETTING, &adapter->flags);
130 return -EINVAL;
131 }
132
133 /* reset the link */
134
135 if (netif_running(adapter->netdev)) {
136 atl1e_down(adapter);
137 atl1e_up(adapter);
138 } else
139 atl1e_reset_hw(&adapter->hw);
140
141 clear_bit(__AT_RESETTING, &adapter->flags);
142 return 0;
143}
144
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145static u32 atl1e_get_msglevel(struct net_device *netdev)
146{
147#ifdef DBG
148 return 1;
149#else
150 return 0;
151#endif
152}
153
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154static int atl1e_get_regs_len(struct net_device *netdev)
155{
156 return AT_REGS_LEN * sizeof(u32);
157}
158
159static void atl1e_get_regs(struct net_device *netdev,
160 struct ethtool_regs *regs, void *p)
161{
162 struct atl1e_adapter *adapter = netdev_priv(netdev);
163 struct atl1e_hw *hw = &adapter->hw;
164 u32 *regs_buff = p;
165 u16 phy_data;
166
167 memset(p, 0, AT_REGS_LEN * sizeof(u32));
168
169 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
170
171 regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
172 regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
173 regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
174 regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
175 regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
176 regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
177 regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
178 regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
179 regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
180 regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
181 regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
182 regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
183 regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
184 regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
185 regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
186 regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
187 regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
188 regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
189 regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
190 regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
191 regs_buff[20] = AT_READ_REG(hw, REG_MTU);
192 regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
193 regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
194 regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
195 regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
196 regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
197 regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
198 regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
199 regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
200 regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
201
202 atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
203 regs_buff[73] = (u32)phy_data;
204 atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
205 regs_buff[74] = (u32)phy_data;
206}
207
208static int atl1e_get_eeprom_len(struct net_device *netdev)
209{
210 struct atl1e_adapter *adapter = netdev_priv(netdev);
211
212 if (!atl1e_check_eeprom_exist(&adapter->hw))
213 return AT_EEPROM_LEN;
214 else
215 return 0;
216}
217
218static int atl1e_get_eeprom(struct net_device *netdev,
219 struct ethtool_eeprom *eeprom, u8 *bytes)
220{
221 struct atl1e_adapter *adapter = netdev_priv(netdev);
222 struct atl1e_hw *hw = &adapter->hw;
223 u32 *eeprom_buff;
224 int first_dword, last_dword;
225 int ret_val = 0;
226 int i;
227
228 if (eeprom->len == 0)
229 return -EINVAL;
230
231 if (atl1e_check_eeprom_exist(hw)) /* not exist */
232 return -EINVAL;
233
234 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
235
236 first_dword = eeprom->offset >> 2;
237 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
238
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KC
239 eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32),
240 GFP_KERNEL);
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241 if (eeprom_buff == NULL)
242 return -ENOMEM;
243
244 for (i = first_dword; i < last_dword; i++) {
245 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
246 kfree(eeprom_buff);
247 return -EIO;
248 }
249 }
250
251 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
252 eeprom->len);
253 kfree(eeprom_buff);
254
255 return ret_val;
256}
257
258static int atl1e_set_eeprom(struct net_device *netdev,
259 struct ethtool_eeprom *eeprom, u8 *bytes)
260{
261 struct atl1e_adapter *adapter = netdev_priv(netdev);
262 struct atl1e_hw *hw = &adapter->hw;
263 u32 *eeprom_buff;
264 u32 *ptr;
265 int first_dword, last_dword;
266 int ret_val = 0;
267 int i;
268
269 if (eeprom->len == 0)
270 return -EOPNOTSUPP;
271
272 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
273 return -EINVAL;
274
275 first_dword = eeprom->offset >> 2;
276 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
277 eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
278 if (eeprom_buff == NULL)
279 return -ENOMEM;
280
64699336 281 ptr = eeprom_buff;
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282
283 if (eeprom->offset & 3) {
284 /* need read/modify/write of first changed EEPROM word */
285 /* only the second byte of the word is being modified */
286 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
287 ret_val = -EIO;
288 goto out;
289 }
290 ptr++;
291 }
292 if (((eeprom->offset + eeprom->len) & 3)) {
293 /* need read/modify/write of last changed EEPROM word */
294 /* only the first byte of the word is being modified */
295
296 if (!atl1e_read_eeprom(hw, last_dword * 4,
297 &(eeprom_buff[last_dword - first_dword]))) {
298 ret_val = -EIO;
299 goto out;
300 }
301 }
302
303 /* Device's eeprom is always little-endian, word addressable */
304 memcpy(ptr, bytes, eeprom->len);
305
306 for (i = 0; i < last_dword - first_dword + 1; i++) {
307 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
308 eeprom_buff[i])) {
309 ret_val = -EIO;
310 goto out;
311 }
312 }
313out:
314 kfree(eeprom_buff);
315 return ret_val;
316}
317
318static void atl1e_get_drvinfo(struct net_device *netdev,
319 struct ethtool_drvinfo *drvinfo)
320{
321 struct atl1e_adapter *adapter = netdev_priv(netdev);
322
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323 strlcpy(drvinfo->driver, atl1e_driver_name, sizeof(drvinfo->driver));
324 strlcpy(drvinfo->version, atl1e_driver_version,
325 sizeof(drvinfo->version));
326 strlcpy(drvinfo->fw_version, "L1e", sizeof(drvinfo->fw_version));
327 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
328 sizeof(drvinfo->bus_info));
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329}
330
331static void atl1e_get_wol(struct net_device *netdev,
332 struct ethtool_wolinfo *wol)
333{
334 struct atl1e_adapter *adapter = netdev_priv(netdev);
335
336 wol->supported = WAKE_MAGIC | WAKE_PHY;
337 wol->wolopts = 0;
338
339 if (adapter->wol & AT_WUFC_EX)
340 wol->wolopts |= WAKE_UCAST;
341 if (adapter->wol & AT_WUFC_MC)
342 wol->wolopts |= WAKE_MCAST;
343 if (adapter->wol & AT_WUFC_BC)
344 wol->wolopts |= WAKE_BCAST;
345 if (adapter->wol & AT_WUFC_MAG)
346 wol->wolopts |= WAKE_MAGIC;
347 if (adapter->wol & AT_WUFC_LNKC)
348 wol->wolopts |= WAKE_PHY;
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349}
350
351static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
352{
353 struct atl1e_adapter *adapter = netdev_priv(netdev);
354
355 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
1a3c4bc6 356 WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
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357 return -EOPNOTSUPP;
358 /* these settings will always override what we currently have */
359 adapter->wol = 0;
360
361 if (wol->wolopts & WAKE_MAGIC)
362 adapter->wol |= AT_WUFC_MAG;
363 if (wol->wolopts & WAKE_PHY)
364 adapter->wol |= AT_WUFC_LNKC;
365
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BP
366 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
367
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368 return 0;
369}
370
371static int atl1e_nway_reset(struct net_device *netdev)
372{
373 struct atl1e_adapter *adapter = netdev_priv(netdev);
374 if (netif_running(netdev))
375 atl1e_reinit_locked(adapter);
376 return 0;
377}
378
0fc0b732 379static const struct ethtool_ops atl1e_ethtool_ops = {
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380 .get_drvinfo = atl1e_get_drvinfo,
381 .get_regs_len = atl1e_get_regs_len,
382 .get_regs = atl1e_get_regs,
383 .get_wol = atl1e_get_wol,
384 .set_wol = atl1e_set_wol,
385 .get_msglevel = atl1e_get_msglevel,
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386 .nway_reset = atl1e_nway_reset,
387 .get_link = ethtool_op_get_link,
388 .get_eeprom_len = atl1e_get_eeprom_len,
389 .get_eeprom = atl1e_get_eeprom,
390 .set_eeprom = atl1e_set_eeprom,
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PR
391 .get_link_ksettings = atl1e_get_link_ksettings,
392 .set_link_ksettings = atl1e_set_link_ksettings,
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393};
394
395void atl1e_set_ethtool_ops(struct net_device *netdev)
396{
7ad24ea4 397 netdev->ethtool_ops = &atl1e_ethtool_ops;
a6a53252 398}