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-rw-r--r--drivers/net/e1000e/ethtool.c1774
1 files changed, 1774 insertions, 0 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
new file mode 100644
index 000000000000..0e80406bfbd7
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+++ b/drivers/net/e1000e/ethtool.c
@@ -0,0 +1,1774 @@
1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2007 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for e1000 */
30
31#include <linux/netdevice.h>
32#include <linux/ethtool.h>
33#include <linux/pci.h>
34#include <linux/delay.h>
35
36#include "e1000.h"
37
38struct e1000_stats {
39 char stat_string[ETH_GSTRING_LEN];
40 int sizeof_stat;
41 int stat_offset;
42};
43
44#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46static const struct e1000_stats e1000_gstrings_stats[] = {
47 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
49 { "rx_bytes", E1000_STAT(stats.gorcl) },
50 { "tx_bytes", E1000_STAT(stats.gotcl) },
51 { "rx_broadcast", E1000_STAT(stats.bprc) },
52 { "tx_broadcast", E1000_STAT(stats.bptc) },
53 { "rx_multicast", E1000_STAT(stats.mprc) },
54 { "tx_multicast", E1000_STAT(stats.mptc) },
55 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
56 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
57 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
58 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
61 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
62 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
63 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
64 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
65 { "rx_missed_errors", E1000_STAT(stats.mpc) },
66 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
67 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
68 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
70 { "tx_window_errors", E1000_STAT(stats.latecol) },
71 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
72 { "tx_deferred_ok", E1000_STAT(stats.dc) },
73 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
74 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
75 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
76 { "tx_restart_queue", E1000_STAT(restart_queue) },
77 { "rx_long_length_errors", E1000_STAT(stats.roc) },
78 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
79 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
80 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
82 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
83 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
84 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
85 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
86 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
89 { "rx_header_split", E1000_STAT(rx_hdr_split) },
90 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
91 { "tx_smbus", E1000_STAT(stats.mgptc) },
92 { "rx_smbus", E1000_STAT(stats.mgprc) },
93 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
94 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
95 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
96};
97
98#define E1000_GLOBAL_STATS_LEN \
99 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
100#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
101static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
102 "Register test (offline)", "Eeprom test (offline)",
103 "Interrupt test (offline)", "Loopback test (offline)",
104 "Link test (on/offline)"
105};
106#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
107
108static int e1000_get_settings(struct net_device *netdev,
109 struct ethtool_cmd *ecmd)
110{
111 struct e1000_adapter *adapter = netdev_priv(netdev);
112 struct e1000_hw *hw = &adapter->hw;
113
114 if (hw->media_type == e1000_media_type_copper) {
115
116 ecmd->supported = (SUPPORTED_10baseT_Half |
117 SUPPORTED_10baseT_Full |
118 SUPPORTED_100baseT_Half |
119 SUPPORTED_100baseT_Full |
120 SUPPORTED_1000baseT_Full |
121 SUPPORTED_Autoneg |
122 SUPPORTED_TP);
123 if (hw->phy.type == e1000_phy_ife)
124 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
125 ecmd->advertising = ADVERTISED_TP;
126
127 if (hw->mac.autoneg == 1) {
128 ecmd->advertising |= ADVERTISED_Autoneg;
129 /* the e1000 autoneg seems to match ethtool nicely */
130 ecmd->advertising |= hw->phy.autoneg_advertised;
131 }
132
133 ecmd->port = PORT_TP;
134 ecmd->phy_address = hw->phy.addr;
135 ecmd->transceiver = XCVR_INTERNAL;
136
137 } else {
138 ecmd->supported = (SUPPORTED_1000baseT_Full |
139 SUPPORTED_FIBRE |
140 SUPPORTED_Autoneg);
141
142 ecmd->advertising = (ADVERTISED_1000baseT_Full |
143 ADVERTISED_FIBRE |
144 ADVERTISED_Autoneg);
145
146 ecmd->port = PORT_FIBRE;
147 ecmd->transceiver = XCVR_EXTERNAL;
148 }
149
150 if (er32(STATUS) & E1000_STATUS_LU) {
151
152 adapter->hw.mac.ops.get_link_up_info(hw, &adapter->link_speed,
153 &adapter->link_duplex);
154 ecmd->speed = adapter->link_speed;
155
156 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
157 * and HALF_DUPLEX != DUPLEX_HALF */
158
159 if (adapter->link_duplex == FULL_DUPLEX)
160 ecmd->duplex = DUPLEX_FULL;
161 else
162 ecmd->duplex = DUPLEX_HALF;
163 } else {
164 ecmd->speed = -1;
165 ecmd->duplex = -1;
166 }
167
168 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
169 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
170 return 0;
171}
172
173static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
174{
175 struct e1000_mac_info *mac = &adapter->hw.mac;
176
177 mac->autoneg = 0;
178
179 /* Fiber NICs only allow 1000 gbps Full duplex */
180 if ((adapter->hw.media_type == e1000_media_type_fiber) &&
181 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
182 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
183 "configuration\n");
184 return -EINVAL;
185 }
186
187 switch (spddplx) {
188 case SPEED_10 + DUPLEX_HALF:
189 mac->forced_speed_duplex = ADVERTISE_10_HALF;
190 break;
191 case SPEED_10 + DUPLEX_FULL:
192 mac->forced_speed_duplex = ADVERTISE_10_FULL;
193 break;
194 case SPEED_100 + DUPLEX_HALF:
195 mac->forced_speed_duplex = ADVERTISE_100_HALF;
196 break;
197 case SPEED_100 + DUPLEX_FULL:
198 mac->forced_speed_duplex = ADVERTISE_100_FULL;
199 break;
200 case SPEED_1000 + DUPLEX_FULL:
201 mac->autoneg = 1;
202 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
203 break;
204 case SPEED_1000 + DUPLEX_HALF: /* not supported */
205 default:
206 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
207 "configuration\n");
208 return -EINVAL;
209 }
210 return 0;
211}
212
213static int e1000_set_settings(struct net_device *netdev,
214 struct ethtool_cmd *ecmd)
215{
216 struct e1000_adapter *adapter = netdev_priv(netdev);
217 struct e1000_hw *hw = &adapter->hw;
218
219 /* When SoL/IDER sessions are active, autoneg/speed/duplex
220 * cannot be changed */
221 if (e1000_check_reset_block(hw)) {
222 ndev_err(netdev, "Cannot change link "
223 "characteristics when SoL/IDER is active.\n");
224 return -EINVAL;
225 }
226
227 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
228 msleep(1);
229
230 if (ecmd->autoneg == AUTONEG_ENABLE) {
231 hw->mac.autoneg = 1;
232 if (hw->media_type == e1000_media_type_fiber)
233 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
234 ADVERTISED_FIBRE |
235 ADVERTISED_Autoneg;
236 else
237 hw->phy.autoneg_advertised = ecmd->advertising |
238 ADVERTISED_TP |
239 ADVERTISED_Autoneg;
240 ecmd->advertising = hw->phy.autoneg_advertised;
241 } else {
242 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
243 clear_bit(__E1000_RESETTING, &adapter->state);
244 return -EINVAL;
245 }
246 }
247
248 /* reset the link */
249
250 if (netif_running(adapter->netdev)) {
251 e1000e_down(adapter);
252 e1000e_up(adapter);
253 } else {
254 e1000e_reset(adapter);
255 }
256
257 clear_bit(__E1000_RESETTING, &adapter->state);
258 return 0;
259}
260
261static void e1000_get_pauseparam(struct net_device *netdev,
262 struct ethtool_pauseparam *pause)
263{
264 struct e1000_adapter *adapter = netdev_priv(netdev);
265 struct e1000_hw *hw = &adapter->hw;
266
267 pause->autoneg =
268 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
269
270 if (hw->mac.fc == e1000_fc_rx_pause) {
271 pause->rx_pause = 1;
272 } else if (hw->mac.fc == e1000_fc_tx_pause) {
273 pause->tx_pause = 1;
274 } else if (hw->mac.fc == e1000_fc_full) {
275 pause->rx_pause = 1;
276 pause->tx_pause = 1;
277 }
278}
279
280static int e1000_set_pauseparam(struct net_device *netdev,
281 struct ethtool_pauseparam *pause)
282{
283 struct e1000_adapter *adapter = netdev_priv(netdev);
284 struct e1000_hw *hw = &adapter->hw;
285 int retval = 0;
286
287 adapter->fc_autoneg = pause->autoneg;
288
289 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
290 msleep(1);
291
292 if (pause->rx_pause && pause->tx_pause)
293 hw->mac.fc = e1000_fc_full;
294 else if (pause->rx_pause && !pause->tx_pause)
295 hw->mac.fc = e1000_fc_rx_pause;
296 else if (!pause->rx_pause && pause->tx_pause)
297 hw->mac.fc = e1000_fc_tx_pause;
298 else if (!pause->rx_pause && !pause->tx_pause)
299 hw->mac.fc = e1000_fc_none;
300
301 hw->mac.original_fc = hw->mac.fc;
302
303 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
304 if (netif_running(adapter->netdev)) {
305 e1000e_down(adapter);
306 e1000e_up(adapter);
307 } else {
308 e1000e_reset(adapter);
309 }
310 } else {
311 retval = ((hw->media_type == e1000_media_type_fiber) ?
312 hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
313 }
314
315 clear_bit(__E1000_RESETTING, &adapter->state);
316 return retval;
317}
318
319static u32 e1000_get_rx_csum(struct net_device *netdev)
320{
321 struct e1000_adapter *adapter = netdev_priv(netdev);
322 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
323}
324
325static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
326{
327 struct e1000_adapter *adapter = netdev_priv(netdev);
328
329 if (data)
330 adapter->flags |= FLAG_RX_CSUM_ENABLED;
331 else
332 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
333
334 if (netif_running(netdev))
335 e1000e_reinit_locked(adapter);
336 else
337 e1000e_reset(adapter);
338 return 0;
339}
340
341static u32 e1000_get_tx_csum(struct net_device *netdev)
342{
343 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
344}
345
346static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
347{
348 if (data)
349 netdev->features |= NETIF_F_HW_CSUM;
350 else
351 netdev->features &= ~NETIF_F_HW_CSUM;
352
353 return 0;
354}
355
356static int e1000_set_tso(struct net_device *netdev, u32 data)
357{
358 struct e1000_adapter *adapter = netdev_priv(netdev);
359
360 if (data) {
361 netdev->features |= NETIF_F_TSO;
362 netdev->features |= NETIF_F_TSO6;
363 } else {
364 netdev->features &= ~NETIF_F_TSO;
365 netdev->features &= ~NETIF_F_TSO6;
366 }
367
368 ndev_info(netdev, "TSO is %s\n",
369 data ? "Enabled" : "Disabled");
370 adapter->flags |= FLAG_TSO_FORCE;
371 return 0;
372}
373
374static u32 e1000_get_msglevel(struct net_device *netdev)
375{
376 struct e1000_adapter *adapter = netdev_priv(netdev);
377 return adapter->msg_enable;
378}
379
380static void e1000_set_msglevel(struct net_device *netdev, u32 data)
381{
382 struct e1000_adapter *adapter = netdev_priv(netdev);
383 adapter->msg_enable = data;
384}
385
386static int e1000_get_regs_len(struct net_device *netdev)
387{
388#define E1000_REGS_LEN 32 /* overestimate */
389 return E1000_REGS_LEN * sizeof(u32);
390}
391
392static void e1000_get_regs(struct net_device *netdev,
393 struct ethtool_regs *regs, void *p)
394{
395 struct e1000_adapter *adapter = netdev_priv(netdev);
396 struct e1000_hw *hw = &adapter->hw;
397 u32 *regs_buff = p;
398 u16 phy_data;
399 u8 revision_id;
400
401 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
402
403 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
404
405 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
406
407 regs_buff[0] = er32(CTRL);
408 regs_buff[1] = er32(STATUS);
409
410 regs_buff[2] = er32(RCTL);
411 regs_buff[3] = er32(RDLEN);
412 regs_buff[4] = er32(RDH);
413 regs_buff[5] = er32(RDT);
414 regs_buff[6] = er32(RDTR);
415
416 regs_buff[7] = er32(TCTL);
417 regs_buff[8] = er32(TDLEN);
418 regs_buff[9] = er32(TDH);
419 regs_buff[10] = er32(TDT);
420 regs_buff[11] = er32(TIDV);
421
422 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
423 if (hw->phy.type == e1000_phy_m88) {
424 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
425 regs_buff[13] = (u32)phy_data; /* cable length */
426 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
427 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
428 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
429 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
430 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
431 regs_buff[18] = regs_buff[13]; /* cable polarity */
432 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
433 regs_buff[20] = regs_buff[17]; /* polarity correction */
434 /* phy receive errors */
435 regs_buff[22] = adapter->phy_stats.receive_errors;
436 regs_buff[23] = regs_buff[13]; /* mdix mode */
437 }
438 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
439 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
440 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
441 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
442}
443
444static int e1000_get_eeprom_len(struct net_device *netdev)
445{
446 struct e1000_adapter *adapter = netdev_priv(netdev);
447 return adapter->hw.nvm.word_size * 2;
448}
449
450static int e1000_get_eeprom(struct net_device *netdev,
451 struct ethtool_eeprom *eeprom, u8 *bytes)
452{
453 struct e1000_adapter *adapter = netdev_priv(netdev);
454 struct e1000_hw *hw = &adapter->hw;
455 u16 *eeprom_buff;
456 int first_word;
457 int last_word;
458 int ret_val = 0;
459 u16 i;
460
461 if (eeprom->len == 0)
462 return -EINVAL;
463
464 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
465
466 first_word = eeprom->offset >> 1;
467 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
468
469 eeprom_buff = kmalloc(sizeof(u16) *
470 (last_word - first_word + 1), GFP_KERNEL);
471 if (!eeprom_buff)
472 return -ENOMEM;
473
474 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
475 ret_val = e1000_read_nvm(hw, first_word,
476 last_word - first_word + 1,
477 eeprom_buff);
478 } else {
479 for (i = 0; i < last_word - first_word + 1; i++) {
480 ret_val = e1000_read_nvm(hw, first_word + i, 1,
481 &eeprom_buff[i]);
482 if (ret_val)
483 break;
484 }
485 }
486
487 /* Device's eeprom is always little-endian, word addressable */
488 for (i = 0; i < last_word - first_word + 1; i++)
489 le16_to_cpus(&eeprom_buff[i]);
490
491 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
492 kfree(eeprom_buff);
493
494 return ret_val;
495}
496
497static int e1000_set_eeprom(struct net_device *netdev,
498 struct ethtool_eeprom *eeprom, u8 *bytes)
499{
500 struct e1000_adapter *adapter = netdev_priv(netdev);
501 struct e1000_hw *hw = &adapter->hw;
502 u16 *eeprom_buff;
503 void *ptr;
504 int max_len;
505 int first_word;
506 int last_word;
507 int ret_val = 0;
508 u16 i;
509
510 if (eeprom->len == 0)
511 return -EOPNOTSUPP;
512
513 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
514 return -EFAULT;
515
516 max_len = hw->nvm.word_size * 2;
517
518 first_word = eeprom->offset >> 1;
519 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
520 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
521 if (!eeprom_buff)
522 return -ENOMEM;
523
524 ptr = (void *)eeprom_buff;
525
526 if (eeprom->offset & 1) {
527 /* need read/modify/write of first changed EEPROM word */
528 /* only the second byte of the word is being modified */
529 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
530 ptr++;
531 }
532 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
533 /* need read/modify/write of last changed EEPROM word */
534 /* only the first byte of the word is being modified */
535 ret_val = e1000_read_nvm(hw, last_word, 1,
536 &eeprom_buff[last_word - first_word]);
537
538 /* Device's eeprom is always little-endian, word addressable */
539 for (i = 0; i < last_word - first_word + 1; i++)
540 le16_to_cpus(&eeprom_buff[i]);
541
542 memcpy(ptr, bytes, eeprom->len);
543
544 for (i = 0; i < last_word - first_word + 1; i++)
545 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
546
547 ret_val = e1000_write_nvm(hw, first_word,
548 last_word - first_word + 1, eeprom_buff);
549
550 /* Update the checksum over the first part of the EEPROM if needed
551 * and flush shadow RAM for 82573 controllers */
552 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
553 (hw->mac.type == e1000_82573)))
554 e1000e_update_nvm_checksum(hw);
555
556 kfree(eeprom_buff);
557 return ret_val;
558}
559
560static void e1000_get_drvinfo(struct net_device *netdev,
561 struct ethtool_drvinfo *drvinfo)
562{
563 struct e1000_adapter *adapter = netdev_priv(netdev);
564 char firmware_version[32];
565 u16 eeprom_data;
566
567 strncpy(drvinfo->driver, e1000e_driver_name, 32);
568 strncpy(drvinfo->version, e1000e_driver_version, 32);
569
570 /* EEPROM image version # is reported as firmware version # for
571 * PCI-E controllers */
572 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
573 sprintf(firmware_version, "%d.%d-%d",
574 (eeprom_data & 0xF000) >> 12,
575 (eeprom_data & 0x0FF0) >> 4,
576 eeprom_data & 0x000F);
577
578 strncpy(drvinfo->fw_version, firmware_version, 32);
579 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
580 drvinfo->n_stats = E1000_STATS_LEN;
581 drvinfo->testinfo_len = E1000_TEST_LEN;
582 drvinfo->regdump_len = e1000_get_regs_len(netdev);
583 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
584}
585
586static void e1000_get_ringparam(struct net_device *netdev,
587 struct ethtool_ringparam *ring)
588{
589 struct e1000_adapter *adapter = netdev_priv(netdev);
590 struct e1000_ring *tx_ring = adapter->tx_ring;
591 struct e1000_ring *rx_ring = adapter->rx_ring;
592
593 ring->rx_max_pending = E1000_MAX_RXD;
594 ring->tx_max_pending = E1000_MAX_TXD;
595 ring->rx_mini_max_pending = 0;
596 ring->rx_jumbo_max_pending = 0;
597 ring->rx_pending = rx_ring->count;
598 ring->tx_pending = tx_ring->count;
599 ring->rx_mini_pending = 0;
600 ring->rx_jumbo_pending = 0;
601}
602
603static int e1000_set_ringparam(struct net_device *netdev,
604 struct ethtool_ringparam *ring)
605{
606 struct e1000_adapter *adapter = netdev_priv(netdev);
607 struct e1000_ring *tx_ring, *tx_old;
608 struct e1000_ring *rx_ring, *rx_old;
609 int err;
610
611 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
612 return -EINVAL;
613
614 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
615 msleep(1);
616
617 if (netif_running(adapter->netdev))
618 e1000e_down(adapter);
619
620 tx_old = adapter->tx_ring;
621 rx_old = adapter->rx_ring;
622
623 err = -ENOMEM;
624 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
625 if (!tx_ring)
626 goto err_alloc_tx;
627
628 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
629 if (!rx_ring)
630 goto err_alloc_rx;
631
632 adapter->tx_ring = tx_ring;
633 adapter->rx_ring = rx_ring;
634
635 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
636 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
637 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
638
639 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
640 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
641 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
642
643 if (netif_running(adapter->netdev)) {
644 /* Try to get new resources before deleting old */
645 err = e1000e_setup_rx_resources(adapter);
646 if (err)
647 goto err_setup_rx;
648 err = e1000e_setup_tx_resources(adapter);
649 if (err)
650 goto err_setup_tx;
651
652 /* save the new, restore the old in order to free it,
653 * then restore the new back again */
654 adapter->rx_ring = rx_old;
655 adapter->tx_ring = tx_old;
656 e1000e_free_rx_resources(adapter);
657 e1000e_free_tx_resources(adapter);
658 kfree(tx_old);
659 kfree(rx_old);
660 adapter->rx_ring = rx_ring;
661 adapter->tx_ring = tx_ring;
662 err = e1000e_up(adapter);
663 if (err)
664 goto err_setup;
665 }
666
667 clear_bit(__E1000_RESETTING, &adapter->state);
668 return 0;
669err_setup_tx:
670 e1000e_free_rx_resources(adapter);
671err_setup_rx:
672 adapter->rx_ring = rx_old;
673 adapter->tx_ring = tx_old;
674 kfree(rx_ring);
675err_alloc_rx:
676 kfree(tx_ring);
677err_alloc_tx:
678 e1000e_up(adapter);
679err_setup:
680 clear_bit(__E1000_RESETTING, &adapter->state);
681 return err;
682}
683
684#define REG_PATTERN_TEST(R, M, W) REG_PATTERN_TEST_ARRAY(R, 0, M, W)
685#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, writeable) \
686{ \
687 u32 _pat; \
688 u32 _value; \
689 u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
690 for (_pat = 0; _pat < ARRAY_SIZE(_test); _pat++) { \
691 E1000_WRITE_REG_ARRAY(hw, reg, offset, \
692 (_test[_pat] & writeable)); \
693 _value = E1000_READ_REG_ARRAY(hw, reg, offset); \
694 if (_value != (_test[_pat] & writeable & mask)) { \
695 ndev_err(netdev, "pattern test reg %04X " \
696 "failed: got 0x%08X expected 0x%08X\n", \
697 reg + offset, \
698 value, (_test[_pat] & writeable & mask)); \
699 *data = reg; \
700 return 1; \
701 } \
702 } \
703}
704
705#define REG_SET_AND_CHECK(R, M, W) \
706{ \
707 u32 _value; \
708 __ew32(hw, R, W & M); \
709 _value = __er32(hw, R); \
710 if ((W & M) != (_value & M)) { \
711 ndev_err(netdev, "set/check reg %04X test failed: " \
712 "got 0x%08X expected 0x%08X\n", R, (_value & M), \
713 (W & M)); \
714 *data = R; \
715 return 1; \
716 } \
717}
718
719static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
720{
721 struct e1000_hw *hw = &adapter->hw;
722 struct e1000_mac_info *mac = &adapter->hw.mac;
723 struct net_device *netdev = adapter->netdev;
724 u32 value;
725 u32 before;
726 u32 after;
727 u32 i;
728 u32 toggle;
729
730 /* The status register is Read Only, so a write should fail.
731 * Some bits that get toggled are ignored.
732 */
733 switch (mac->type) {
734 /* there are several bits on newer hardware that are r/w */
735 case e1000_82571:
736 case e1000_82572:
737 case e1000_80003es2lan:
738 toggle = 0x7FFFF3FF;
739 break;
740 case e1000_82573:
741 case e1000_ich8lan:
742 case e1000_ich9lan:
743 toggle = 0x7FFFF033;
744 break;
745 default:
746 toggle = 0xFFFFF833;
747 break;
748 }
749
750 before = er32(STATUS);
751 value = (er32(STATUS) & toggle);
752 ew32(STATUS, toggle);
753 after = er32(STATUS) & toggle;
754 if (value != after) {
755 ndev_err(netdev, "failed STATUS register test got: "
756 "0x%08X expected: 0x%08X\n", after, value);
757 *data = 1;
758 return 1;
759 }
760 /* restore previous status */
761 ew32(STATUS, before);
762
763 if ((mac->type != e1000_ich8lan) &&
764 (mac->type != e1000_ich9lan)) {
765 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
766 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
769 }
770
771 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
772 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
773 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
774 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
775 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
777 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
778 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
779 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
780 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
781
782 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
783
784 before = (((mac->type == e1000_ich8lan) ||
785 (mac->type == e1000_ich9lan)) ? 0x06C3B33E : 0x06DFB3FE);
786 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
787 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
788
789 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x01FFFFFF);
790 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFF000, 0xFFFFFFFF);
791 REG_PATTERN_TEST(E1000_TXCW, 0x0000FFFF, 0x0000FFFF);
792 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFF000, 0xFFFFFFFF);
793
794 for (i = 0; i < mac->mta_reg_count; i++)
795 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
796
797 *data = 0;
798 return 0;
799}
800
801static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
802{
803 u16 temp;
804 u16 checksum = 0;
805 u16 i;
806
807 *data = 0;
808 /* Read and add up the contents of the EEPROM */
809 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
810 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
811 *data = 1;
812 break;
813 }
814 checksum += temp;
815 }
816
817 /* If Checksum is not Correct return error else test passed */
818 if ((checksum != (u16) NVM_SUM) && !(*data))
819 *data = 2;
820
821 return *data;
822}
823
824static irqreturn_t e1000_test_intr(int irq, void *data)
825{
826 struct net_device *netdev = (struct net_device *) data;
827 struct e1000_adapter *adapter = netdev_priv(netdev);
828 struct e1000_hw *hw = &adapter->hw;
829
830 adapter->test_icr |= er32(ICR);
831
832 return IRQ_HANDLED;
833}
834
835static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
836{
837 struct net_device *netdev = adapter->netdev;
838 struct e1000_hw *hw = &adapter->hw;
839 u32 mask;
840 u32 shared_int = 1;
841 u32 irq = adapter->pdev->irq;
842 int i;
843
844 *data = 0;
845
846 /* NOTE: we don't test MSI interrupts here, yet */
847 /* Hook up test interrupt handler just for this test */
848 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
849 netdev)) {
850 shared_int = 0;
851 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
852 netdev->name, netdev)) {
853 *data = 1;
854 return -1;
855 }
856 ndev_info(netdev, "testing %s interrupt\n",
857 (shared_int ? "shared" : "unshared"));
858
859 /* Disable all the interrupts */
860 ew32(IMC, 0xFFFFFFFF);
861 msleep(10);
862
863 /* Test each interrupt */
864 for (i = 0; i < 10; i++) {
865
866 if (((adapter->hw.mac.type == e1000_ich8lan) ||
867 (adapter->hw.mac.type == e1000_ich9lan)) && i == 8)
868 continue;
869
870 /* Interrupt to test */
871 mask = 1 << i;
872
873 if (!shared_int) {
874 /* Disable the interrupt to be reported in
875 * the cause register and then force the same
876 * interrupt and see if one gets posted. If
877 * an interrupt was posted to the bus, the
878 * test failed.
879 */
880 adapter->test_icr = 0;
881 ew32(IMC, mask);
882 ew32(ICS, mask);
883 msleep(10);
884
885 if (adapter->test_icr & mask) {
886 *data = 3;
887 break;
888 }
889 }
890
891 /* Enable the interrupt to be reported in
892 * the cause register and then force the same
893 * interrupt and see if one gets posted. If
894 * an interrupt was not posted to the bus, the
895 * test failed.
896 */
897 adapter->test_icr = 0;
898 ew32(IMS, mask);
899 ew32(ICS, mask);
900 msleep(10);
901
902 if (!(adapter->test_icr & mask)) {
903 *data = 4;
904 break;
905 }
906
907 if (!shared_int) {
908 /* Disable the other interrupts to be reported in
909 * the cause register and then force the other
910 * interrupts and see if any get posted. If
911 * an interrupt was posted to the bus, the
912 * test failed.
913 */
914 adapter->test_icr = 0;
915 ew32(IMC, ~mask & 0x00007FFF);
916 ew32(ICS, ~mask & 0x00007FFF);
917 msleep(10);
918
919 if (adapter->test_icr) {
920 *data = 5;
921 break;
922 }
923 }
924 }
925
926 /* Disable all the interrupts */
927 ew32(IMC, 0xFFFFFFFF);
928 msleep(10);
929
930 /* Unhook test interrupt handler */
931 free_irq(irq, netdev);
932
933 return *data;
934}
935
936static void e1000_free_desc_rings(struct e1000_adapter *adapter)
937{
938 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
939 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
940 struct pci_dev *pdev = adapter->pdev;
941 int i;
942
943 if (tx_ring->desc && tx_ring->buffer_info) {
944 for (i = 0; i < tx_ring->count; i++) {
945 if (tx_ring->buffer_info[i].dma)
946 pci_unmap_single(pdev,
947 tx_ring->buffer_info[i].dma,
948 tx_ring->buffer_info[i].length,
949 PCI_DMA_TODEVICE);
950 if (tx_ring->buffer_info[i].skb)
951 dev_kfree_skb(tx_ring->buffer_info[i].skb);
952 }
953 }
954
955 if (rx_ring->desc && rx_ring->buffer_info) {
956 for (i = 0; i < rx_ring->count; i++) {
957 if (rx_ring->buffer_info[i].dma)
958 pci_unmap_single(pdev,
959 rx_ring->buffer_info[i].dma,
960 2048, PCI_DMA_FROMDEVICE);
961 if (rx_ring->buffer_info[i].skb)
962 dev_kfree_skb(rx_ring->buffer_info[i].skb);
963 }
964 }
965
966 if (tx_ring->desc) {
967 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
968 tx_ring->dma);
969 tx_ring->desc = NULL;
970 }
971 if (rx_ring->desc) {
972 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
973 rx_ring->dma);
974 rx_ring->desc = NULL;
975 }
976
977 kfree(tx_ring->buffer_info);
978 tx_ring->buffer_info = NULL;
979 kfree(rx_ring->buffer_info);
980 rx_ring->buffer_info = NULL;
981}
982
983static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
984{
985 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
986 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
987 struct pci_dev *pdev = adapter->pdev;
988 struct e1000_hw *hw = &adapter->hw;
989 u32 rctl;
990 int size;
991 int i;
992 int ret_val;
993
994 /* Setup Tx descriptor ring and Tx buffers */
995
996 if (!tx_ring->count)
997 tx_ring->count = E1000_DEFAULT_TXD;
998
999 size = tx_ring->count * sizeof(struct e1000_buffer);
1000 tx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
1001 if (!tx_ring->buffer_info) {
1002 ret_val = 1;
1003 goto err_nomem;
1004 }
1005 memset(tx_ring->buffer_info, 0, size);
1006
1007 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1008 tx_ring->size = ALIGN(tx_ring->size, 4096);
1009 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1010 &tx_ring->dma, GFP_KERNEL);
1011 if (!tx_ring->desc) {
1012 ret_val = 2;
1013 goto err_nomem;
1014 }
1015 memset(tx_ring->desc, 0, tx_ring->size);
1016 tx_ring->next_to_use = 0;
1017 tx_ring->next_to_clean = 0;
1018
1019 ew32(TDBAL,
1020 ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1021 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1022 ew32(TDLEN,
1023 tx_ring->count * sizeof(struct e1000_tx_desc));
1024 ew32(TDH, 0);
1025 ew32(TDT, 0);
1026 ew32(TCTL,
1027 E1000_TCTL_PSP | E1000_TCTL_EN |
1028 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1029 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1030
1031 for (i = 0; i < tx_ring->count; i++) {
1032 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1033 struct sk_buff *skb;
1034 unsigned int skb_size = 1024;
1035
1036 skb = alloc_skb(skb_size, GFP_KERNEL);
1037 if (!skb) {
1038 ret_val = 3;
1039 goto err_nomem;
1040 }
1041 skb_put(skb, skb_size);
1042 tx_ring->buffer_info[i].skb = skb;
1043 tx_ring->buffer_info[i].length = skb->len;
1044 tx_ring->buffer_info[i].dma =
1045 pci_map_single(pdev, skb->data, skb->len,
1046 PCI_DMA_TODEVICE);
1047 if (pci_dma_mapping_error(tx_ring->buffer_info[i].dma)) {
1048 ret_val = 4;
1049 goto err_nomem;
1050 }
1051 tx_desc->buffer_addr = cpu_to_le64(
1052 tx_ring->buffer_info[i].dma);
1053 tx_desc->lower.data = cpu_to_le32(skb->len);
1054 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1055 E1000_TXD_CMD_IFCS |
1056 E1000_TXD_CMD_RPS);
1057 tx_desc->upper.data = 0;
1058 }
1059
1060 /* Setup Rx descriptor ring and Rx buffers */
1061
1062 if (!rx_ring->count)
1063 rx_ring->count = E1000_DEFAULT_RXD;
1064
1065 size = rx_ring->count * sizeof(struct e1000_buffer);
1066 rx_ring->buffer_info = kmalloc(size, GFP_KERNEL);
1067 if (!rx_ring->buffer_info) {
1068 ret_val = 5;
1069 goto err_nomem;
1070 }
1071 memset(rx_ring->buffer_info, 0, size);
1072
1073 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1074 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1075 &rx_ring->dma, GFP_KERNEL);
1076 if (!rx_ring->desc) {
1077 ret_val = 6;
1078 goto err_nomem;
1079 }
1080 memset(rx_ring->desc, 0, rx_ring->size);
1081 rx_ring->next_to_use = 0;
1082 rx_ring->next_to_clean = 0;
1083
1084 rctl = er32(RCTL);
1085 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1086 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1087 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1088 ew32(RDLEN, rx_ring->size);
1089 ew32(RDH, 0);
1090 ew32(RDT, 0);
1091 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1092 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1093 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1094 ew32(RCTL, rctl);
1095
1096 for (i = 0; i < rx_ring->count; i++) {
1097 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1098 struct sk_buff *skb;
1099
1100 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1101 if (!skb) {
1102 ret_val = 7;
1103 goto err_nomem;
1104 }
1105 skb_reserve(skb, NET_IP_ALIGN);
1106 rx_ring->buffer_info[i].skb = skb;
1107 rx_ring->buffer_info[i].dma =
1108 pci_map_single(pdev, skb->data, 2048,
1109 PCI_DMA_FROMDEVICE);
1110 if (pci_dma_mapping_error(rx_ring->buffer_info[i].dma)) {
1111 ret_val = 8;
1112 goto err_nomem;
1113 }
1114 rx_desc->buffer_addr =
1115 cpu_to_le64(rx_ring->buffer_info[i].dma);
1116 memset(skb->data, 0x00, skb->len);
1117 }
1118
1119 return 0;
1120
1121err_nomem:
1122 e1000_free_desc_rings(adapter);
1123 return ret_val;
1124}
1125
1126static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1127{
1128 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1129 e1e_wphy(&adapter->hw, 29, 0x001F);
1130 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1131 e1e_wphy(&adapter->hw, 29, 0x001A);
1132 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1133}
1134
1135static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1136{
1137 struct e1000_hw *hw = &adapter->hw;
1138 u32 ctrl_reg = 0;
1139 u32 stat_reg = 0;
1140
1141 adapter->hw.mac.autoneg = 0;
1142
1143 if (adapter->hw.phy.type == e1000_phy_m88) {
1144 /* Auto-MDI/MDIX Off */
1145 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1146 /* reset to update Auto-MDI/MDIX */
1147 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1148 /* autoneg off */
1149 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1150 } else if (adapter->hw.phy.type == e1000_phy_gg82563)
1151 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1152
1153 ctrl_reg = er32(CTRL);
1154
1155 if (adapter->hw.phy.type == e1000_phy_ife) {
1156 /* force 100, set loopback */
1157 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1158
1159 /* Now set up the MAC to the same speed/duplex as the PHY. */
1160 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1161 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1162 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1163 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1164 E1000_CTRL_FD); /* Force Duplex to FULL */
1165 } else {
1166 /* force 1000, set loopback */
1167 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1168
1169 /* Now set up the MAC to the same speed/duplex as the PHY. */
1170 ctrl_reg = er32(CTRL);
1171 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1172 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1173 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1174 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1175 E1000_CTRL_FD); /* Force Duplex to FULL */
1176 }
1177
1178 if (adapter->hw.media_type == e1000_media_type_copper &&
1179 adapter->hw.phy.type == e1000_phy_m88) {
1180 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1181 } else {
1182 /* Set the ILOS bit on the fiber Nic if half duplex link is
1183 * detected. */
1184 stat_reg = er32(STATUS);
1185 if ((stat_reg & E1000_STATUS_FD) == 0)
1186 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1187 }
1188
1189 ew32(CTRL, ctrl_reg);
1190
1191 /* Disable the receiver on the PHY so when a cable is plugged in, the
1192 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1193 */
1194 if (adapter->hw.phy.type == e1000_phy_m88)
1195 e1000_phy_disable_receiver(adapter);
1196
1197 udelay(500);
1198
1199 return 0;
1200}
1201
1202static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1203{
1204 struct e1000_hw *hw = &adapter->hw;
1205 u32 ctrl = er32(CTRL);
1206 int link = 0;
1207
1208 /* special requirements for 82571/82572 fiber adapters */
1209
1210 /* jump through hoops to make sure link is up because serdes
1211 * link is hardwired up */
1212 ctrl |= E1000_CTRL_SLU;
1213 ew32(CTRL, ctrl);
1214
1215 /* disable autoneg */
1216 ctrl = er32(TXCW);
1217 ctrl &= ~(1 << 31);
1218 ew32(TXCW, ctrl);
1219
1220 link = (er32(STATUS) & E1000_STATUS_LU);
1221
1222 if (!link) {
1223 /* set invert loss of signal */
1224 ctrl = er32(CTRL);
1225 ctrl |= E1000_CTRL_ILOS;
1226 ew32(CTRL, ctrl);
1227 }
1228
1229 /* special write to serdes control register to enable SerDes analog
1230 * loopback */
1231#define E1000_SERDES_LB_ON 0x410
1232 ew32(SCTL, E1000_SERDES_LB_ON);
1233 msleep(10);
1234
1235 return 0;
1236}
1237
1238/* only call this for fiber/serdes connections to es2lan */
1239static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1240{
1241 struct e1000_hw *hw = &adapter->hw;
1242 u32 ctrlext = er32(CTRL_EXT);
1243 u32 ctrl = er32(CTRL);
1244
1245 /* save CTRL_EXT to restore later, reuse an empty variable (unused
1246 on mac_type 80003es2lan) */
1247 adapter->tx_fifo_head = ctrlext;
1248
1249 /* clear the serdes mode bits, putting the device into mac loopback */
1250 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1251 ew32(CTRL_EXT, ctrlext);
1252
1253 /* force speed to 1000/FD, link up */
1254 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1255 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1256 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1257 ew32(CTRL, ctrl);
1258
1259 /* set mac loopback */
1260 ctrl = er32(RCTL);
1261 ctrl |= E1000_RCTL_LBM_MAC;
1262 ew32(RCTL, ctrl);
1263
1264 /* set testing mode parameters (no need to reset later) */
1265#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1266#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1267 ew32(KMRNCTRLSTA,
1268 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1269
1270 return 0;
1271}
1272
1273static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1274{
1275 struct e1000_hw *hw = &adapter->hw;
1276 u32 rctl;
1277
1278 if (hw->media_type == e1000_media_type_fiber ||
1279 hw->media_type == e1000_media_type_internal_serdes) {
1280 switch (hw->mac.type) {
1281 case e1000_80003es2lan:
1282 return e1000_set_es2lan_mac_loopback(adapter);
1283 break;
1284 case e1000_82571:
1285 case e1000_82572:
1286 return e1000_set_82571_fiber_loopback(adapter);
1287 break;
1288 default:
1289 rctl = er32(RCTL);
1290 rctl |= E1000_RCTL_LBM_TCVR;
1291 ew32(RCTL, rctl);
1292 return 0;
1293 }
1294 } else if (hw->media_type == e1000_media_type_copper) {
1295 return e1000_integrated_phy_loopback(adapter);
1296 }
1297
1298 return 7;
1299}
1300
1301static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1302{
1303 struct e1000_hw *hw = &adapter->hw;
1304 u32 rctl;
1305 u16 phy_reg;
1306
1307 rctl = er32(RCTL);
1308 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1309 ew32(RCTL, rctl);
1310
1311 switch (hw->mac.type) {
1312 case e1000_80003es2lan:
1313 if (hw->media_type == e1000_media_type_fiber ||
1314 hw->media_type == e1000_media_type_internal_serdes) {
1315 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1316 ew32(CTRL_EXT,
1317 adapter->tx_fifo_head);
1318 adapter->tx_fifo_head = 0;
1319 }
1320 /* fall through */
1321 case e1000_82571:
1322 case e1000_82572:
1323 if (hw->media_type == e1000_media_type_fiber ||
1324 hw->media_type == e1000_media_type_internal_serdes) {
1325#define E1000_SERDES_LB_OFF 0x400
1326 ew32(SCTL, E1000_SERDES_LB_OFF);
1327 msleep(10);
1328 break;
1329 }
1330 /* Fall Through */
1331 default:
1332 hw->mac.autoneg = 1;
1333 if (hw->phy.type == e1000_phy_gg82563)
1334 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1335 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1336 if (phy_reg & MII_CR_LOOPBACK) {
1337 phy_reg &= ~MII_CR_LOOPBACK;
1338 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1339 e1000e_commit_phy(hw);
1340 }
1341 break;
1342 }
1343}
1344
1345static void e1000_create_lbtest_frame(struct sk_buff *skb,
1346 unsigned int frame_size)
1347{
1348 memset(skb->data, 0xFF, frame_size);
1349 frame_size &= ~1;
1350 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1351 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1352 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1353}
1354
1355static int e1000_check_lbtest_frame(struct sk_buff *skb,
1356 unsigned int frame_size)
1357{
1358 frame_size &= ~1;
1359 if (*(skb->data + 3) == 0xFF)
1360 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1361 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1362 return 0;
1363 return 13;
1364}
1365
1366static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1367{
1368 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1369 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1370 struct pci_dev *pdev = adapter->pdev;
1371 struct e1000_hw *hw = &adapter->hw;
1372 int i, j, k, l;
1373 int lc;
1374 int good_cnt;
1375 int ret_val = 0;
1376 unsigned long time;
1377
1378 ew32(RDT, rx_ring->count - 1);
1379
1380 /* Calculate the loop count based on the largest descriptor ring
1381 * The idea is to wrap the largest ring a number of times using 64
1382 * send/receive pairs during each loop
1383 */
1384
1385 if (rx_ring->count <= tx_ring->count)
1386 lc = ((tx_ring->count / 64) * 2) + 1;
1387 else
1388 lc = ((rx_ring->count / 64) * 2) + 1;
1389
1390 k = 0;
1391 l = 0;
1392 for (j = 0; j <= lc; j++) { /* loop count loop */
1393 for (i = 0; i < 64; i++) { /* send the packets */
1394 e1000_create_lbtest_frame(
1395 tx_ring->buffer_info[i].skb, 1024);
1396 pci_dma_sync_single_for_device(pdev,
1397 tx_ring->buffer_info[k].dma,
1398 tx_ring->buffer_info[k].length,
1399 PCI_DMA_TODEVICE);
1400 k++;
1401 if (k == tx_ring->count)
1402 k = 0;
1403 }
1404 ew32(TDT, k);
1405 msleep(200);
1406 time = jiffies; /* set the start time for the receive */
1407 good_cnt = 0;
1408 do { /* receive the sent packets */
1409 pci_dma_sync_single_for_cpu(pdev,
1410 rx_ring->buffer_info[l].dma, 2048,
1411 PCI_DMA_FROMDEVICE);
1412
1413 ret_val = e1000_check_lbtest_frame(
1414 rx_ring->buffer_info[l].skb, 1024);
1415 if (!ret_val)
1416 good_cnt++;
1417 l++;
1418 if (l == rx_ring->count)
1419 l = 0;
1420 /* time + 20 msecs (200 msecs on 2.4) is more than
1421 * enough time to complete the receives, if it's
1422 * exceeded, break and error off
1423 */
1424 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1425 if (good_cnt != 64) {
1426 ret_val = 13; /* ret_val is the same as mis-compare */
1427 break;
1428 }
1429 if (jiffies >= (time + 2)) {
1430 ret_val = 14; /* error code for time out error */
1431 break;
1432 }
1433 } /* end loop count loop */
1434 return ret_val;
1435}
1436
1437static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1438{
1439 /* PHY loopback cannot be performed if SoL/IDER
1440 * sessions are active */
1441 if (e1000_check_reset_block(&adapter->hw)) {
1442 ndev_err(adapter->netdev, "Cannot do PHY loopback test "
1443 "when SoL/IDER is active.\n");
1444 *data = 0;
1445 goto out;
1446 }
1447
1448 *data = e1000_setup_desc_rings(adapter);
1449 if (data)
1450 goto out;
1451
1452 *data = e1000_setup_loopback_test(adapter);
1453 if (data)
1454 goto err_loopback;
1455
1456 *data = e1000_run_loopback_test(adapter);
1457 e1000_loopback_cleanup(adapter);
1458
1459err_loopback:
1460 e1000_free_desc_rings(adapter);
1461out:
1462 return *data;
1463}
1464
1465static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1466{
1467 struct e1000_hw *hw = &adapter->hw;
1468
1469 *data = 0;
1470 if (hw->media_type == e1000_media_type_internal_serdes) {
1471 int i = 0;
1472 hw->mac.serdes_has_link = 0;
1473
1474 /* On some blade server designs, link establishment
1475 * could take as long as 2-3 minutes */
1476 do {
1477 hw->mac.ops.check_for_link(hw);
1478 if (hw->mac.serdes_has_link)
1479 return *data;
1480 msleep(20);
1481 } while (i++ < 3750);
1482
1483 *data = 1;
1484 } else {
1485 hw->mac.ops.check_for_link(hw);
1486 if (hw->mac.autoneg)
1487 msleep(4000);
1488
1489 if (!(er32(STATUS) &
1490 E1000_STATUS_LU))
1491 *data = 1;
1492 }
1493 return *data;
1494}
1495
1496static int e1000_diag_test_count(struct net_device *netdev)
1497{
1498 return E1000_TEST_LEN;
1499}
1500
1501static void e1000_diag_test(struct net_device *netdev,
1502 struct ethtool_test *eth_test, u64 *data)
1503{
1504 struct e1000_adapter *adapter = netdev_priv(netdev);
1505 u16 autoneg_advertised;
1506 u8 forced_speed_duplex;
1507 u8 autoneg;
1508 bool if_running = netif_running(netdev);
1509
1510 set_bit(__E1000_TESTING, &adapter->state);
1511 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1512 /* Offline tests */
1513
1514 /* save speed, duplex, autoneg settings */
1515 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1516 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1517 autoneg = adapter->hw.mac.autoneg;
1518
1519 ndev_info(netdev, "offline testing starting\n");
1520
1521 /* Link test performed before hardware reset so autoneg doesn't
1522 * interfere with test result */
1523 if (e1000_link_test(adapter, &data[4]))
1524 eth_test->flags |= ETH_TEST_FL_FAILED;
1525
1526 if (if_running)
1527 /* indicate we're in test mode */
1528 dev_close(netdev);
1529 else
1530 e1000e_reset(adapter);
1531
1532 if (e1000_reg_test(adapter, &data[0]))
1533 eth_test->flags |= ETH_TEST_FL_FAILED;
1534
1535 e1000e_reset(adapter);
1536 if (e1000_eeprom_test(adapter, &data[1]))
1537 eth_test->flags |= ETH_TEST_FL_FAILED;
1538
1539 e1000e_reset(adapter);
1540 if (e1000_intr_test(adapter, &data[2]))
1541 eth_test->flags |= ETH_TEST_FL_FAILED;
1542
1543 e1000e_reset(adapter);
1544 /* make sure the phy is powered up */
1545 e1000e_power_up_phy(adapter);
1546 if (e1000_loopback_test(adapter, &data[3]))
1547 eth_test->flags |= ETH_TEST_FL_FAILED;
1548
1549 /* restore speed, duplex, autoneg settings */
1550 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1551 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1552 adapter->hw.mac.autoneg = autoneg;
1553
1554 /* force this routine to wait until autoneg complete/timeout */
1555 adapter->hw.phy.wait_for_link = 1;
1556 e1000e_reset(adapter);
1557 adapter->hw.phy.wait_for_link = 0;
1558
1559 clear_bit(__E1000_TESTING, &adapter->state);
1560 if (if_running)
1561 dev_open(netdev);
1562 } else {
1563 ndev_info(netdev, "online testing starting\n");
1564 /* Online tests */
1565 if (e1000_link_test(adapter, &data[4]))
1566 eth_test->flags |= ETH_TEST_FL_FAILED;
1567
1568 /* Online tests aren't run; pass by default */
1569 data[0] = 0;
1570 data[1] = 0;
1571 data[2] = 0;
1572 data[3] = 0;
1573
1574 clear_bit(__E1000_TESTING, &adapter->state);
1575 }
1576 msleep_interruptible(4 * 1000);
1577}
1578
1579static void e1000_get_wol(struct net_device *netdev,
1580 struct ethtool_wolinfo *wol)
1581{
1582 struct e1000_adapter *adapter = netdev_priv(netdev);
1583
1584 wol->supported = 0;
1585 wol->wolopts = 0;
1586
1587 if (!(adapter->flags & FLAG_HAS_WOL))
1588 return;
1589
1590 wol->supported = WAKE_UCAST | WAKE_MCAST |
1591 WAKE_BCAST | WAKE_MAGIC;
1592
1593 /* apply any specific unsupported masks here */
1594 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1595 wol->supported &= ~WAKE_UCAST;
1596
1597 if (adapter->wol & E1000_WUFC_EX)
1598 ndev_err(netdev, "Interface does not support "
1599 "directed (unicast) frame wake-up packets\n");
1600 }
1601
1602 if (adapter->wol & E1000_WUFC_EX)
1603 wol->wolopts |= WAKE_UCAST;
1604 if (adapter->wol & E1000_WUFC_MC)
1605 wol->wolopts |= WAKE_MCAST;
1606 if (adapter->wol & E1000_WUFC_BC)
1607 wol->wolopts |= WAKE_BCAST;
1608 if (adapter->wol & E1000_WUFC_MAG)
1609 wol->wolopts |= WAKE_MAGIC;
1610}
1611
1612static int e1000_set_wol(struct net_device *netdev,
1613 struct ethtool_wolinfo *wol)
1614{
1615 struct e1000_adapter *adapter = netdev_priv(netdev);
1616
1617 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1618 return -EOPNOTSUPP;
1619
1620 if (!(adapter->flags & FLAG_HAS_WOL))
1621 return wol->wolopts ? -EOPNOTSUPP : 0;
1622
1623 /* these settings will always override what we currently have */
1624 adapter->wol = 0;
1625
1626 if (wol->wolopts & WAKE_UCAST)
1627 adapter->wol |= E1000_WUFC_EX;
1628 if (wol->wolopts & WAKE_MCAST)
1629 adapter->wol |= E1000_WUFC_MC;
1630 if (wol->wolopts & WAKE_BCAST)
1631 adapter->wol |= E1000_WUFC_BC;
1632 if (wol->wolopts & WAKE_MAGIC)
1633 adapter->wol |= E1000_WUFC_MAG;
1634
1635 return 0;
1636}
1637
1638/* toggle LED 4 times per second = 2 "blinks" per second */
1639#define E1000_ID_INTERVAL (HZ/4)
1640
1641/* bit defines for adapter->led_status */
1642#define E1000_LED_ON 0
1643
1644static void e1000_led_blink_callback(unsigned long data)
1645{
1646 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1647
1648 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1649 adapter->hw.mac.ops.led_off(&adapter->hw);
1650 else
1651 adapter->hw.mac.ops.led_on(&adapter->hw);
1652
1653 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1654}
1655
1656static int e1000_phys_id(struct net_device *netdev, u32 data)
1657{
1658 struct e1000_adapter *adapter = netdev_priv(netdev);
1659
1660 if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
1661 data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
1662
1663 if (adapter->hw.phy.type == e1000_phy_ife) {
1664 if (!adapter->blink_timer.function) {
1665 init_timer(&adapter->blink_timer);
1666 adapter->blink_timer.function =
1667 e1000_led_blink_callback;
1668 adapter->blink_timer.data = (unsigned long) adapter;
1669 }
1670 mod_timer(&adapter->blink_timer, jiffies);
1671 msleep_interruptible(data * 1000);
1672 del_timer_sync(&adapter->blink_timer);
1673 e1e_wphy(&adapter->hw,
1674 IFE_PHY_SPECIAL_CONTROL_LED, 0);
1675 } else {
1676 e1000e_blink_led(&adapter->hw);
1677 msleep_interruptible(data * 1000);
1678 }
1679
1680 adapter->hw.mac.ops.led_off(&adapter->hw);
1681 clear_bit(E1000_LED_ON, &adapter->led_status);
1682 adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1683
1684 return 0;
1685}
1686
1687static int e1000_nway_reset(struct net_device *netdev)
1688{
1689 struct e1000_adapter *adapter = netdev_priv(netdev);
1690 if (netif_running(netdev))
1691 e1000e_reinit_locked(adapter);
1692 return 0;
1693}
1694
1695static int e1000_get_stats_count(struct net_device *netdev)
1696{
1697 return E1000_STATS_LEN;
1698}
1699
1700static void e1000_get_ethtool_stats(struct net_device *netdev,
1701 struct ethtool_stats *stats,
1702 u64 *data)
1703{
1704 struct e1000_adapter *adapter = netdev_priv(netdev);
1705 int i;
1706
1707 e1000e_update_stats(adapter);
1708 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1709 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1710 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1711 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1712 }
1713}
1714
1715static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1716 u8 *data)
1717{
1718 u8 *p = data;
1719 int i;
1720
1721 switch (stringset) {
1722 case ETH_SS_TEST:
1723 memcpy(data, *e1000_gstrings_test,
1724 E1000_TEST_LEN*ETH_GSTRING_LEN);
1725 break;
1726 case ETH_SS_STATS:
1727 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1728 memcpy(p, e1000_gstrings_stats[i].stat_string,
1729 ETH_GSTRING_LEN);
1730 p += ETH_GSTRING_LEN;
1731 }
1732 break;
1733 }
1734}
1735
1736static const struct ethtool_ops e1000_ethtool_ops = {
1737 .get_settings = e1000_get_settings,
1738 .set_settings = e1000_set_settings,
1739 .get_drvinfo = e1000_get_drvinfo,
1740 .get_regs_len = e1000_get_regs_len,
1741 .get_regs = e1000_get_regs,
1742 .get_wol = e1000_get_wol,
1743 .set_wol = e1000_set_wol,
1744 .get_msglevel = e1000_get_msglevel,
1745 .set_msglevel = e1000_set_msglevel,
1746 .nway_reset = e1000_nway_reset,
1747 .get_link = ethtool_op_get_link,
1748 .get_eeprom_len = e1000_get_eeprom_len,
1749 .get_eeprom = e1000_get_eeprom,
1750 .set_eeprom = e1000_set_eeprom,
1751 .get_ringparam = e1000_get_ringparam,
1752 .set_ringparam = e1000_set_ringparam,
1753 .get_pauseparam = e1000_get_pauseparam,
1754 .set_pauseparam = e1000_set_pauseparam,
1755 .get_rx_csum = e1000_get_rx_csum,
1756 .set_rx_csum = e1000_set_rx_csum,
1757 .get_tx_csum = e1000_get_tx_csum,
1758 .set_tx_csum = e1000_set_tx_csum,
1759 .get_sg = ethtool_op_get_sg,
1760 .set_sg = ethtool_op_set_sg,
1761 .get_tso = ethtool_op_get_tso,
1762 .set_tso = e1000_set_tso,
1763 .self_test_count = e1000_diag_test_count,
1764 .self_test = e1000_diag_test,
1765 .get_strings = e1000_get_strings,
1766 .phys_id = e1000_phys_id,
1767 .get_stats_count = e1000_get_stats_count,
1768 .get_ethtool_stats = e1000_get_ethtool_stats,
1769};
1770
1771void e1000e_set_ethtool_ops(struct net_device *netdev)
1772{
1773 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1774}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-15 21:23:46 -0500