tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
26#include "atl1e.h"
27
28static int atl1e_get_settings(struct net_device *netdev,
29 struct ethtool_cmd *ecmd)
30{
31 struct atl1e_adapter *adapter = netdev_priv(netdev);
32 struct atl1e_hw *hw = &adapter->hw;
33
34 ecmd->supported = (SUPPORTED_10baseT_Half |
35 SUPPORTED_10baseT_Full |
36 SUPPORTED_100baseT_Half |
37 SUPPORTED_100baseT_Full |
38 SUPPORTED_Autoneg |
39 SUPPORTED_TP);
40 if (hw->nic_type == athr_l1e)
41 ecmd->supported |= SUPPORTED_1000baseT_Full;
42
43 ecmd->advertising = ADVERTISED_TP;
44
45 ecmd->advertising |= ADVERTISED_Autoneg;
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 ecmd->speed = 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 ecmd->speed = -1;
60 ecmd->duplex = -1;
61 }
62
63 ecmd->autoneg = AUTONEG_ENABLE;
64 return 0;
65}
66
67static int atl1e_set_settings(struct net_device *netdev,
68 struct ethtool_cmd *ecmd)
69{
70 struct atl1e_adapter *adapter = netdev_priv(netdev);
71 struct atl1e_hw *hw = &adapter->hw;
72
73 while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
74 msleep(1);
75
76 if (ecmd->autoneg == AUTONEG_ENABLE) {
77 u16 adv4, adv9;
78
79 if ((ecmd->advertising&ADVERTISE_1000_FULL)) {
80 if (hw->nic_type == athr_l1e) {
81 hw->autoneg_advertised =
82 ecmd->advertising & AT_ADV_MASK;
83 } else {
84 clear_bit(__AT_RESETTING, &adapter->flags);
85 return -EINVAL;
86 }
87 } else if (ecmd->advertising&ADVERTISE_1000_HALF) {
88 clear_bit(__AT_RESETTING, &adapter->flags);
89 return -EINVAL;
90 } else {
91 hw->autoneg_advertised =
92 ecmd->advertising & AT_ADV_MASK;
93 }
94 ecmd->advertising = hw->autoneg_advertised |
95 ADVERTISED_TP | ADVERTISED_Autoneg;
96
97 adv4 = hw->mii_autoneg_adv_reg & ~MII_AR_SPEED_MASK;
98 adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
99 if (hw->autoneg_advertised & ADVERTISE_10_HALF)
100 adv4 |= MII_AR_10T_HD_CAPS;
101 if (hw->autoneg_advertised & ADVERTISE_10_FULL)
102 adv4 |= MII_AR_10T_FD_CAPS;
103 if (hw->autoneg_advertised & ADVERTISE_100_HALF)
104 adv4 |= MII_AR_100TX_HD_CAPS;
105 if (hw->autoneg_advertised & ADVERTISE_100_FULL)
106 adv4 |= MII_AR_100TX_FD_CAPS;
107 if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
108 adv9 |= MII_AT001_CR_1000T_FD_CAPS;
109
110 if (adv4 != hw->mii_autoneg_adv_reg ||
111 adv9 != hw->mii_1000t_ctrl_reg) {
112 hw->mii_autoneg_adv_reg = adv4;
113 hw->mii_1000t_ctrl_reg = adv9;
114 hw->re_autoneg = true;
115 }
116
117 } else {
118 clear_bit(__AT_RESETTING, &adapter->flags);
119 return -EINVAL;
120 }
121
122 /* reset the link */
123
124 if (netif_running(adapter->netdev)) {
125 atl1e_down(adapter);
126 atl1e_up(adapter);
127 } else
128 atl1e_reset_hw(&adapter->hw);
129
130 clear_bit(__AT_RESETTING, &adapter->flags);
131 return 0;
132}
133
134static u32 atl1e_get_tx_csum(struct net_device *netdev)
135{
136 return (netdev->features & NETIF_F_HW_CSUM) != 0;
137}
138
139static u32 atl1e_get_msglevel(struct net_device *netdev)
140{
141#ifdef DBG
142 return 1;
143#else
144 return 0;
145#endif
146}
147
148static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
149{
150}
151
152static int atl1e_get_regs_len(struct net_device *netdev)
153{
154 return AT_REGS_LEN * sizeof(u32);
155}
156
157static void atl1e_get_regs(struct net_device *netdev,
158 struct ethtool_regs *regs, void *p)
159{
160 struct atl1e_adapter *adapter = netdev_priv(netdev);
161 struct atl1e_hw *hw = &adapter->hw;
162 u32 *regs_buff = p;
163 u16 phy_data;
164
165 memset(p, 0, AT_REGS_LEN * sizeof(u32));
166
167 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
168
169 regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
170 regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
171 regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
172 regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
173 regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
174 regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
175 regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
176 regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
177 regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
178 regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
179 regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
180 regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
181 regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
182 regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
183 regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
184 regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
185 regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
186 regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
187 regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
188 regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
189 regs_buff[20] = AT_READ_REG(hw, REG_MTU);
190 regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
191 regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
192 regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
193 regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
194 regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
195 regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
196 regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
197 regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
198 regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
199
200 atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
201 regs_buff[73] = (u32)phy_data;
202 atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
203 regs_buff[74] = (u32)phy_data;
204}
205
206static int atl1e_get_eeprom_len(struct net_device *netdev)
207{
208 struct atl1e_adapter *adapter = netdev_priv(netdev);
209
210 if (!atl1e_check_eeprom_exist(&adapter->hw))
211 return AT_EEPROM_LEN;
212 else
213 return 0;
214}
215
216static int atl1e_get_eeprom(struct net_device *netdev,
217 struct ethtool_eeprom *eeprom, u8 *bytes)
218{
219 struct atl1e_adapter *adapter = netdev_priv(netdev);
220 struct atl1e_hw *hw = &adapter->hw;
221 u32 *eeprom_buff;
222 int first_dword, last_dword;
223 int ret_val = 0;
224 int i;
225
226 if (eeprom->len == 0)
227 return -EINVAL;
228
229 if (atl1e_check_eeprom_exist(hw)) /* not exist */
230 return -EINVAL;
231
232 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
233
234 first_dword = eeprom->offset >> 2;
235 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
236
237 eeprom_buff = kmalloc(sizeof(u32) *
238 (last_dword - first_dword + 1), GFP_KERNEL);
239 if (eeprom_buff == NULL)
240 return -ENOMEM;
241
242 for (i = first_dword; i < last_dword; i++) {
243 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
244 kfree(eeprom_buff);
245 return -EIO;
246 }
247 }
248
249 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
250 eeprom->len);
251 kfree(eeprom_buff);
252
253 return ret_val;
254}
255
256static int atl1e_set_eeprom(struct net_device *netdev,
257 struct ethtool_eeprom *eeprom, u8 *bytes)
258{
259 struct atl1e_adapter *adapter = netdev_priv(netdev);
260 struct atl1e_hw *hw = &adapter->hw;
261 u32 *eeprom_buff;
262 u32 *ptr;
263 int first_dword, last_dword;
264 int ret_val = 0;
265 int i;
266
267 if (eeprom->len == 0)
268 return -EOPNOTSUPP;
269
270 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
271 return -EINVAL;
272
273 first_dword = eeprom->offset >> 2;
274 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
275 eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
276 if (eeprom_buff == NULL)
277 return -ENOMEM;
278
279 ptr = (u32 *)eeprom_buff;
280
281 if (eeprom->offset & 3) {
282 /* need read/modify/write of first changed EEPROM word */
283 /* only the second byte of the word is being modified */
284 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
285 ret_val = -EIO;
286 goto out;
287 }
288 ptr++;
289 }
290 if (((eeprom->offset + eeprom->len) & 3)) {
291 /* need read/modify/write of last changed EEPROM word */
292 /* only the first byte of the word is being modified */
293
294 if (!atl1e_read_eeprom(hw, last_dword * 4,
295 &(eeprom_buff[last_dword - first_dword]))) {
296 ret_val = -EIO;
297 goto out;
298 }
299 }
300
301 /* Device's eeprom is always little-endian, word addressable */
302 memcpy(ptr, bytes, eeprom->len);
303
304 for (i = 0; i < last_dword - first_dword + 1; i++) {
305 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
306 eeprom_buff[i])) {
307 ret_val = -EIO;
308 goto out;
309 }
310 }
311out:
312 kfree(eeprom_buff);
313 return ret_val;
314}
315
316static void atl1e_get_drvinfo(struct net_device *netdev,
317 struct ethtool_drvinfo *drvinfo)
318{
319 struct atl1e_adapter *adapter = netdev_priv(netdev);
320
321 strncpy(drvinfo->driver, atl1e_driver_name, 32);
322 strncpy(drvinfo->version, atl1e_driver_version, 32);
323 strncpy(drvinfo->fw_version, "L1e", 32);
324 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
325 drvinfo->n_stats = 0;
326 drvinfo->testinfo_len = 0;
327 drvinfo->regdump_len = atl1e_get_regs_len(netdev);
328 drvinfo->eedump_len = atl1e_get_eeprom_len(netdev);
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;
349
350 return;
351}
352
353static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
354{
355 struct atl1e_adapter *adapter = netdev_priv(netdev);
356
357 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
358 WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
359 return -EOPNOTSUPP;
360 /* these settings will always override what we currently have */
361 adapter->wol = 0;
362
363 if (wol->wolopts & WAKE_MAGIC)
364 adapter->wol |= AT_WUFC_MAG;
365 if (wol->wolopts & WAKE_PHY)
366 adapter->wol |= AT_WUFC_LNKC;
367
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
379static struct ethtool_ops atl1e_ethtool_ops = {
380 .get_settings = atl1e_get_settings,
381 .set_settings = atl1e_set_settings,
382 .get_drvinfo = atl1e_get_drvinfo,
383 .get_regs_len = atl1e_get_regs_len,
384 .get_regs = atl1e_get_regs,
385 .get_wol = atl1e_get_wol,
386 .set_wol = atl1e_set_wol,
387 .get_msglevel = atl1e_get_msglevel,
388 .set_msglevel = atl1e_set_msglevel,
389 .nway_reset = atl1e_nway_reset,
390 .get_link = ethtool_op_get_link,
391 .get_eeprom_len = atl1e_get_eeprom_len,
392 .get_eeprom = atl1e_get_eeprom,
393 .set_eeprom = atl1e_set_eeprom,
394 .get_tx_csum = atl1e_get_tx_csum,
395 .get_sg = ethtool_op_get_sg,
396 .set_sg = ethtool_op_set_sg,
397#ifdef NETIF_F_TSO
398 .get_tso = ethtool_op_get_tso,
399#endif
400};
401
402void atl1e_set_ethtool_ops(struct net_device *netdev)
403{
404 SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops);
405}