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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>
25#include <linux/slab.h>
26
27#include "atl1e.h"
28
29static int atl1e_get_settings(struct net_device *netdev,
30 struct ethtool_cmd *ecmd)
31{
32 struct atl1e_adapter *adapter = netdev_priv(netdev);
33 struct atl1e_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->nic_type == athr_l1e)
42 ecmd->supported |= SUPPORTED_1000baseT_Full;
43
44 ecmd->advertising = ADVERTISED_TP;
45
46 ecmd->advertising |= ADVERTISED_Autoneg;
47 ecmd->advertising |= hw->autoneg_advertised;
48
49 ecmd->port = PORT_TP;
50 ecmd->phy_address = 0;
51 ecmd->transceiver = XCVR_INTERNAL;
52
53 if (adapter->link_speed != SPEED_0) {
54 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
55 if (adapter->link_duplex == FULL_DUPLEX)
56 ecmd->duplex = DUPLEX_FULL;
57 else
58 ecmd->duplex = DUPLEX_HALF;
59 } else {
60 ethtool_cmd_speed_set(ecmd, -1);
61 ecmd->duplex = -1;
62 }
63
64 ecmd->autoneg = AUTONEG_ENABLE;
65 return 0;
66}
67
68static int atl1e_set_settings(struct net_device *netdev,
69 struct ethtool_cmd *ecmd)
70{
71 struct atl1e_adapter *adapter = netdev_priv(netdev);
72 struct atl1e_hw *hw = &adapter->hw;
73
74 while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
75 msleep(1);
76
77 if (ecmd->autoneg == AUTONEG_ENABLE) {
78 u16 adv4, adv9;
79
80 if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
81 if (hw->nic_type == athr_l1e) {
82 hw->autoneg_advertised =
83 ecmd->advertising & AT_ADV_MASK;
84 } else {
85 clear_bit(__AT_RESETTING, &adapter->flags);
86 return -EINVAL;
87 }
88 } else if (ecmd->advertising&ADVERTISE_1000_HALF) {
89 clear_bit(__AT_RESETTING, &adapter->flags);
90 return -EINVAL;
91 } else {
92 hw->autoneg_advertised =
93 ecmd->advertising & AT_ADV_MASK;
94 }
95 ecmd->advertising = hw->autoneg_advertised |
96 ADVERTISED_TP | ADVERTISED_Autoneg;
97
98 adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL;
99 adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
100 if (hw->autoneg_advertised & ADVERTISE_10_HALF)
101 adv4 |= ADVERTISE_10HALF;
102 if (hw->autoneg_advertised & ADVERTISE_10_FULL)
103 adv4 |= ADVERTISE_10FULL;
104 if (hw->autoneg_advertised & ADVERTISE_100_HALF)
105 adv4 |= ADVERTISE_100HALF;
106 if (hw->autoneg_advertised & ADVERTISE_100_FULL)
107 adv4 |= ADVERTISE_100FULL;
108 if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
109 adv9 |= ADVERTISE_1000FULL;
110
111 if (adv4 != hw->mii_autoneg_adv_reg ||
112 adv9 != hw->mii_1000t_ctrl_reg) {
113 hw->mii_autoneg_adv_reg = adv4;
114 hw->mii_1000t_ctrl_reg = adv9;
115 hw->re_autoneg = true;
116 }
117
118 } else {
119 clear_bit(__AT_RESETTING, &adapter->flags);
120 return -EINVAL;
121 }
122
123 /* reset the link */
124
125 if (netif_running(adapter->netdev)) {
126 atl1e_down(adapter);
127 atl1e_up(adapter);
128 } else
129 atl1e_reset_hw(&adapter->hw);
130
131 clear_bit(__AT_RESETTING, &adapter->flags);
132 return 0;
133}
134
135static u32 atl1e_get_msglevel(struct net_device *netdev)
136{
137#ifdef DBG
138 return 1;
139#else
140 return 0;
141#endif
142}
143
144static int atl1e_get_regs_len(struct net_device *netdev)
145{
146 return AT_REGS_LEN * sizeof(u32);
147}
148
149static void atl1e_get_regs(struct net_device *netdev,
150 struct ethtool_regs *regs, void *p)
151{
152 struct atl1e_adapter *adapter = netdev_priv(netdev);
153 struct atl1e_hw *hw = &adapter->hw;
154 u32 *regs_buff = p;
155 u16 phy_data;
156
157 memset(p, 0, AT_REGS_LEN * sizeof(u32));
158
159 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
160
161 regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
162 regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
163 regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
164 regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
165 regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
166 regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
167 regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
168 regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
169 regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
170 regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
171 regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
172 regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
173 regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
174 regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
175 regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
176 regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
177 regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
178 regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
179 regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
180 regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
181 regs_buff[20] = AT_READ_REG(hw, REG_MTU);
182 regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
183 regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
184 regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
185 regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
186 regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
187 regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
188 regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
189 regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
190 regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
191
192 atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
193 regs_buff[73] = (u32)phy_data;
194 atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
195 regs_buff[74] = (u32)phy_data;
196}
197
198static int atl1e_get_eeprom_len(struct net_device *netdev)
199{
200 struct atl1e_adapter *adapter = netdev_priv(netdev);
201
202 if (!atl1e_check_eeprom_exist(&adapter->hw))
203 return AT_EEPROM_LEN;
204 else
205 return 0;
206}
207
208static int atl1e_get_eeprom(struct net_device *netdev,
209 struct ethtool_eeprom *eeprom, u8 *bytes)
210{
211 struct atl1e_adapter *adapter = netdev_priv(netdev);
212 struct atl1e_hw *hw = &adapter->hw;
213 u32 *eeprom_buff;
214 int first_dword, last_dword;
215 int ret_val = 0;
216 int i;
217
218 if (eeprom->len == 0)
219 return -EINVAL;
220
221 if (atl1e_check_eeprom_exist(hw)) /* not exist */
222 return -EINVAL;
223
224 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
225
226 first_dword = eeprom->offset >> 2;
227 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
228
229 eeprom_buff = kmalloc(sizeof(u32) *
230 (last_dword - first_dword + 1), GFP_KERNEL);
231 if (eeprom_buff == NULL)
232 return -ENOMEM;
233
234 for (i = first_dword; i < last_dword; i++) {
235 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
236 kfree(eeprom_buff);
237 return -EIO;
238 }
239 }
240
241 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
242 eeprom->len);
243 kfree(eeprom_buff);
244
245 return ret_val;
246}
247
248static int atl1e_set_eeprom(struct net_device *netdev,
249 struct ethtool_eeprom *eeprom, u8 *bytes)
250{
251 struct atl1e_adapter *adapter = netdev_priv(netdev);
252 struct atl1e_hw *hw = &adapter->hw;
253 u32 *eeprom_buff;
254 u32 *ptr;
255 int first_dword, last_dword;
256 int ret_val = 0;
257 int i;
258
259 if (eeprom->len == 0)
260 return -EOPNOTSUPP;
261
262 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
263 return -EINVAL;
264
265 first_dword = eeprom->offset >> 2;
266 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
267 eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
268 if (eeprom_buff == NULL)
269 return -ENOMEM;
270
271 ptr = (u32 *)eeprom_buff;
272
273 if (eeprom->offset & 3) {
274 /* need read/modify/write of first changed EEPROM word */
275 /* only the second byte of the word is being modified */
276 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
277 ret_val = -EIO;
278 goto out;
279 }
280 ptr++;
281 }
282 if (((eeprom->offset + eeprom->len) & 3)) {
283 /* need read/modify/write of last changed EEPROM word */
284 /* only the first byte of the word is being modified */
285
286 if (!atl1e_read_eeprom(hw, last_dword * 4,
287 &(eeprom_buff[last_dword - first_dword]))) {
288 ret_val = -EIO;
289 goto out;
290 }
291 }
292
293 /* Device's eeprom is always little-endian, word addressable */
294 memcpy(ptr, bytes, eeprom->len);
295
296 for (i = 0; i < last_dword - first_dword + 1; i++) {
297 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
298 eeprom_buff[i])) {
299 ret_val = -EIO;
300 goto out;
301 }
302 }
303out:
304 kfree(eeprom_buff);
305 return ret_val;
306}
307
308static void atl1e_get_drvinfo(struct net_device *netdev,
309 struct ethtool_drvinfo *drvinfo)
310{
311 struct atl1e_adapter *adapter = netdev_priv(netdev);
312
313 strncpy(drvinfo->driver, atl1e_driver_name, 32);
314 strncpy(drvinfo->version, atl1e_driver_version, 32);
315 strncpy(drvinfo->fw_version, "L1e", 32);
316 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
317 drvinfo->n_stats = 0;
318 drvinfo->testinfo_len = 0;
319 drvinfo->regdump_len = atl1e_get_regs_len(netdev);
320 drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
321}
322
323static void atl1e_get_wol(struct net_device *netdev,
324 struct ethtool_wolinfo *wol)
325{
326 struct atl1e_adapter *adapter = netdev_priv(netdev);
327
328 wol->supported = WAKE_MAGIC | WAKE_PHY;
329 wol->wolopts = 0;
330
331 if (adapter->wol & AT_WUFC_EX)
332 wol->wolopts |= WAKE_UCAST;
333 if (adapter->wol & AT_WUFC_MC)
334 wol->wolopts |= WAKE_MCAST;
335 if (adapter->wol & AT_WUFC_BC)
336 wol->wolopts |= WAKE_BCAST;
337 if (adapter->wol & AT_WUFC_MAG)
338 wol->wolopts |= WAKE_MAGIC;
339 if (adapter->wol & AT_WUFC_LNKC)
340 wol->wolopts |= WAKE_PHY;
341}
342
343static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
344{
345 struct atl1e_adapter *adapter = netdev_priv(netdev);
346
347 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
348 WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
349 return -EOPNOTSUPP;
350 /* these settings will always override what we currently have */
351 adapter->wol = 0;
352
353 if (wol->wolopts & WAKE_MAGIC)
354 adapter->wol |= AT_WUFC_MAG;
355 if (wol->wolopts & WAKE_PHY)
356 adapter->wol |= AT_WUFC_LNKC;
357
358 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
359
360 return 0;
361}
362
363static int atl1e_nway_reset(struct net_device *netdev)
364{
365 struct atl1e_adapter *adapter = netdev_priv(netdev);
366 if (netif_running(netdev))
367 atl1e_reinit_locked(adapter);
368 return 0;
369}
370
371static const struct ethtool_ops atl1e_ethtool_ops = {
372 .get_settings = atl1e_get_settings,
373 .set_settings = atl1e_set_settings,
374 .get_drvinfo = atl1e_get_drvinfo,
375 .get_regs_len = atl1e_get_regs_len,
376 .get_regs = atl1e_get_regs,
377 .get_wol = atl1e_get_wol,
378 .set_wol = atl1e_set_wol,
379 .get_msglevel = atl1e_get_msglevel,
380 .nway_reset = atl1e_nway_reset,
381 .get_link = ethtool_op_get_link,
382 .get_eeprom_len = atl1e_get_eeprom_len,
383 .get_eeprom = atl1e_get_eeprom,
384 .set_eeprom = atl1e_set_eeprom,
385};
386
387void atl1e_set_ethtool_ops(struct net_device *netdev)
388{
389 SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
390}