aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/atl1e/atl1e_ethtool.c
blob: cdc3b85b10b9086fe6dfbbe198afef23e9f37019 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
/*
 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
 *
 * Derived from Intel e1000 driver
 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#include <linux/netdevice.h>
#include <linux/ethtool.h>

#include "atl1e.h"

static int atl1e_get_settings(struct net_device *netdev,
			      struct ethtool_cmd *ecmd)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	struct atl1e_hw *hw = &adapter->hw;

	ecmd->supported = (SUPPORTED_10baseT_Half  |
			   SUPPORTED_10baseT_Full  |
			   SUPPORTED_100baseT_Half |
			   SUPPORTED_100baseT_Full |
			   SUPPORTED_Autoneg       |
			   SUPPORTED_TP);
	if (hw->nic_type == athr_l1e)
		ecmd->supported |= SUPPORTED_1000baseT_Full;

	ecmd->advertising = ADVERTISED_TP;

	ecmd->advertising |= ADVERTISED_Autoneg;
	ecmd->advertising |= hw->autoneg_advertised;

	ecmd->port = PORT_TP;
	ecmd->phy_address = 0;
	ecmd->transceiver = XCVR_INTERNAL;

	if (adapter->link_speed != SPEED_0) {
		ecmd->speed = adapter->link_speed;
		if (adapter->link_duplex == FULL_DUPLEX)
			ecmd->duplex = DUPLEX_FULL;
		else
			ecmd->duplex = DUPLEX_HALF;
	} else {
		ecmd->speed = -1;
		ecmd->duplex = -1;
	}

	ecmd->autoneg = AUTONEG_ENABLE;
	return 0;
}

static int atl1e_set_settings(struct net_device *netdev,
			      struct ethtool_cmd *ecmd)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	struct atl1e_hw *hw = &adapter->hw;

	while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
		msleep(1);

	if (ecmd->autoneg == AUTONEG_ENABLE) {
		u16 adv4, adv9;

		if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
			if (hw->nic_type == athr_l1e) {
				hw->autoneg_advertised =
					ecmd->advertising & AT_ADV_MASK;
			} else {
				clear_bit(__AT_RESETTING, &adapter->flags);
				return -EINVAL;
			}
		} else if (ecmd->advertising&ADVERTISE_1000_HALF) {
			clear_bit(__AT_RESETTING, &adapter->flags);
			return -EINVAL;
		} else {
			hw->autoneg_advertised =
				ecmd->advertising & AT_ADV_MASK;
		}
		ecmd->advertising = hw->autoneg_advertised |
				    ADVERTISED_TP | ADVERTISED_Autoneg;

		adv4 = hw->mii_autoneg_adv_reg & ~MII_AR_SPEED_MASK;
		adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
		if (hw->autoneg_advertised & ADVERTISE_10_HALF)
			adv4 |= MII_AR_10T_HD_CAPS;
		if (hw->autoneg_advertised & ADVERTISE_10_FULL)
			adv4 |= MII_AR_10T_FD_CAPS;
		if (hw->autoneg_advertised & ADVERTISE_100_HALF)
			adv4 |= MII_AR_100TX_HD_CAPS;
		if (hw->autoneg_advertised & ADVERTISE_100_FULL)
			adv4 |= MII_AR_100TX_FD_CAPS;
		if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
			adv9 |= MII_AT001_CR_1000T_FD_CAPS;

		if (adv4 != hw->mii_autoneg_adv_reg ||
				adv9 != hw->mii_1000t_ctrl_reg) {
			hw->mii_autoneg_adv_reg = adv4;
			hw->mii_1000t_ctrl_reg = adv9;
			hw->re_autoneg = true;
		}

	} else {
		clear_bit(__AT_RESETTING, &adapter->flags);
		return -EINVAL;
	}

	/* reset the link */

	if (netif_running(adapter->netdev)) {
		atl1e_down(adapter);
		atl1e_up(adapter);
	} else
		atl1e_reset_hw(&adapter->hw);

	clear_bit(__AT_RESETTING, &adapter->flags);
	return 0;
}

static u32 atl1e_get_tx_csum(struct net_device *netdev)
{
	return (netdev->features & NETIF_F_HW_CSUM) != 0;
}

static u32 atl1e_get_msglevel(struct net_device *netdev)
{
#ifdef DBG
	return 1;
#else
	return 0;
#endif
}

static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
{
}

static int atl1e_get_regs_len(struct net_device *netdev)
{
	return AT_REGS_LEN * sizeof(u32);
}

static void atl1e_get_regs(struct net_device *netdev,
			   struct ethtool_regs *regs, void *p)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	struct atl1e_hw *hw = &adapter->hw;
	u32 *regs_buff = p;
	u16 phy_data;

	memset(p, 0, AT_REGS_LEN * sizeof(u32));

	regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;

	regs_buff[0]  = AT_READ_REG(hw, REG_VPD_CAP);
	regs_buff[1]  = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
	regs_buff[2]  = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
	regs_buff[3]  = AT_READ_REG(hw, REG_TWSI_CTRL);
	regs_buff[4]  = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
	regs_buff[5]  = AT_READ_REG(hw, REG_MASTER_CTRL);
	regs_buff[6]  = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
	regs_buff[7]  = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
	regs_buff[8]  = AT_READ_REG(hw, REG_GPHY_CTRL);
	regs_buff[9]  = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
	regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
	regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
	regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
	regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
	regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
	regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
	regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
	regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
	regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
	regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
	regs_buff[20] = AT_READ_REG(hw, REG_MTU);
	regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
	regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
	regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
	regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
	regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
	regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
	regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
	regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
	regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);

	atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
	regs_buff[73] = (u32)phy_data;
	atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
	regs_buff[74] = (u32)phy_data;
}

static int atl1e_get_eeprom_len(struct net_device *netdev)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);

	if (!atl1e_check_eeprom_exist(&adapter->hw))
		return AT_EEPROM_LEN;
	else
		return 0;
}

static int atl1e_get_eeprom(struct net_device *netdev,
		struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	struct atl1e_hw *hw = &adapter->hw;
	u32 *eeprom_buff;
	int first_dword, last_dword;
	int ret_val = 0;
	int i;

	if (eeprom->len == 0)
		return -EINVAL;

	if (atl1e_check_eeprom_exist(hw)) /* not exist */
		return -EINVAL;

	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

	first_dword = eeprom->offset >> 2;
	last_dword = (eeprom->offset + eeprom->len - 1) >> 2;

	eeprom_buff = kmalloc(sizeof(u32) *
			(last_dword - first_dword + 1), GFP_KERNEL);
	if (eeprom_buff == NULL)
		return -ENOMEM;

	for (i = first_dword; i < last_dword; i++) {
		if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
			kfree(eeprom_buff);
			return -EIO;
		}
	}

	memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
			eeprom->len);
	kfree(eeprom_buff);

	return ret_val;
}

static int atl1e_set_eeprom(struct net_device *netdev,
			    struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	struct atl1e_hw *hw = &adapter->hw;
	u32 *eeprom_buff;
	u32 *ptr;
	int first_dword, last_dword;
	int ret_val = 0;
	int i;

	if (eeprom->len == 0)
		return -EOPNOTSUPP;

	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
		return -EINVAL;

	first_dword = eeprom->offset >> 2;
	last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
	eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
	if (eeprom_buff == NULL)
		return -ENOMEM;

	ptr = (u32 *)eeprom_buff;

	if (eeprom->offset & 3) {
		/* need read/modify/write of first changed EEPROM word */
		/* only the second byte of the word is being modified */
		if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
			ret_val = -EIO;
			goto out;
		}
		ptr++;
	}
	if (((eeprom->offset + eeprom->len) & 3)) {
		/* need read/modify/write of last changed EEPROM word */
		/* only the first byte of the word is being modified */

		if (!atl1e_read_eeprom(hw, last_dword * 4,
				&(eeprom_buff[last_dword - first_dword]))) {
			ret_val = -EIO;
			goto out;
		}
	}

	/* Device's eeprom is always little-endian, word addressable */
	memcpy(ptr, bytes, eeprom->len);

	for (i = 0; i < last_dword - first_dword + 1; i++) {
		if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
				  eeprom_buff[i])) {
			ret_val = -EIO;
			goto out;
		}
	}
out:
	kfree(eeprom_buff);
	return ret_val;
}

static void atl1e_get_drvinfo(struct net_device *netdev,
		struct ethtool_drvinfo *drvinfo)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);

	strncpy(drvinfo->driver,  atl1e_driver_name, 32);
	strncpy(drvinfo->version, atl1e_driver_version, 32);
	strncpy(drvinfo->fw_version, "L1e", 32);
	strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
	drvinfo->n_stats = 0;
	drvinfo->testinfo_len = 0;
	drvinfo->regdump_len = atl1e_get_regs_len(netdev);
	drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
}

static void atl1e_get_wol(struct net_device *netdev,
			  struct ethtool_wolinfo *wol)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);

	wol->supported = WAKE_MAGIC | WAKE_PHY;
	wol->wolopts = 0;

	if (adapter->wol & AT_WUFC_EX)
		wol->wolopts |= WAKE_UCAST;
	if (adapter->wol & AT_WUFC_MC)
		wol->wolopts |= WAKE_MCAST;
	if (adapter->wol & AT_WUFC_BC)
		wol->wolopts |= WAKE_BCAST;
	if (adapter->wol & AT_WUFC_MAG)
		wol->wolopts |= WAKE_MAGIC;
	if (adapter->wol & AT_WUFC_LNKC)
		wol->wolopts |= WAKE_PHY;

	return;
}

static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);

	if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
			    WAKE_MCAST | WAKE_BCAST | WAKE_MCAST))
		return -EOPNOTSUPP;
	/* these settings will always override what we currently have */
	adapter->wol = 0;

	if (wol->wolopts & WAKE_MAGIC)
		adapter->wol |= AT_WUFC_MAG;
	if (wol->wolopts & WAKE_PHY)
		adapter->wol |= AT_WUFC_LNKC;

	return 0;
}

static int atl1e_nway_reset(struct net_device *netdev)
{
	struct atl1e_adapter *adapter = netdev_priv(netdev);
	if (netif_running(netdev))
		atl1e_reinit_locked(adapter);
	return 0;
}

static struct ethtool_ops atl1e_ethtool_ops = {
	.get_settings           = atl1e_get_settings,
	.set_settings           = atl1e_set_settings,
	.get_drvinfo            = atl1e_get_drvinfo,
	.get_regs_len           = atl1e_get_regs_len,
	.get_regs               = atl1e_get_regs,
	.get_wol                = atl1e_get_wol,
	.set_wol                = atl1e_set_wol,
	.get_msglevel           = atl1e_get_msglevel,
	.set_msglevel           = atl1e_set_msglevel,
	.nway_reset             = atl1e_nway_reset,
	.get_link               = ethtool_op_get_link,
	.get_eeprom_len         = atl1e_get_eeprom_len,
	.get_eeprom             = atl1e_get_eeprom,
	.set_eeprom             = atl1e_set_eeprom,
	.get_tx_csum            = atl1e_get_tx_csum,
	.get_sg                 = ethtool_op_get_sg,
	.set_sg                 = ethtool_op_set_sg,
#ifdef NETIF_F_TSO
	.get_tso                = ethtool_op_get_tso,
#endif
};

void atl1e_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
}