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5
6#include "e1000.h"
7#include <linux/jiffies.h>
8#include <linux/uaccess.h>
9
10enum {NETDEV_STATS, E1000_STATS};
11
12struct e1000_stats {
13 char stat_string[ETH_GSTRING_LEN];
14 int type;
15 int sizeof_stat;
16 int stat_offset;
17};
18
19#define E1000_STAT(m) E1000_STATS, \
20 sizeof(((struct e1000_adapter *)0)->m), \
21 offsetof(struct e1000_adapter, m)
22#define E1000_NETDEV_STAT(m) NETDEV_STATS, \
23 sizeof(((struct net_device *)0)->m), \
24 offsetof(struct net_device, m)
25
26static const struct e1000_stats e1000_gstrings_stats[] = {
27 { "rx_packets", E1000_STAT(stats.gprc) },
28 { "tx_packets", E1000_STAT(stats.gptc) },
29 { "rx_bytes", E1000_STAT(stats.gorcl) },
30 { "tx_bytes", E1000_STAT(stats.gotcl) },
31 { "rx_broadcast", E1000_STAT(stats.bprc) },
32 { "tx_broadcast", E1000_STAT(stats.bptc) },
33 { "rx_multicast", E1000_STAT(stats.mprc) },
34 { "tx_multicast", E1000_STAT(stats.mptc) },
35 { "rx_errors", E1000_STAT(stats.rxerrc) },
36 { "tx_errors", E1000_STAT(stats.txerrc) },
37 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
38 { "multicast", E1000_STAT(stats.mprc) },
39 { "collisions", E1000_STAT(stats.colc) },
40 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
41 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
42 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
43 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
44 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
45 { "rx_missed_errors", E1000_STAT(stats.mpc) },
46 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
47 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
48 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
49 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
50 { "tx_window_errors", E1000_STAT(stats.latecol) },
51 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
52 { "tx_deferred_ok", E1000_STAT(stats.dc) },
53 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
54 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
55 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
56 { "tx_restart_queue", E1000_STAT(restart_queue) },
57 { "rx_long_length_errors", E1000_STAT(stats.roc) },
58 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
59 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
60 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
61 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
62 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
63 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
64 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
65 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
66 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
67 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
68 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
69 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
70 { "tx_smbus", E1000_STAT(stats.mgptc) },
71 { "rx_smbus", E1000_STAT(stats.mgprc) },
72 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
73};
74
75#define E1000_QUEUE_STATS_LEN 0
76#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
77#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
78static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)", "Eeprom test (offline)",
80 "Interrupt test (offline)", "Loopback test (offline)",
81 "Link test (on/offline)"
82};
83
84#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
85
86static int e1000_get_link_ksettings(struct net_device *netdev,
87 struct ethtool_link_ksettings *cmd)
88{
89 struct e1000_adapter *adapter = netdev_priv(netdev);
90 struct e1000_hw *hw = &adapter->hw;
91 u32 supported, advertising;
92
93 if (hw->media_type == e1000_media_type_copper) {
94 supported = (SUPPORTED_10baseT_Half |
95 SUPPORTED_10baseT_Full |
96 SUPPORTED_100baseT_Half |
97 SUPPORTED_100baseT_Full |
98 SUPPORTED_1000baseT_Full|
99 SUPPORTED_Autoneg |
100 SUPPORTED_TP);
101 advertising = ADVERTISED_TP;
102
103 if (hw->autoneg == 1) {
104 advertising |= ADVERTISED_Autoneg;
105
106 advertising |= hw->autoneg_advertised;
107 }
108
109 cmd->base.port = PORT_TP;
110 cmd->base.phy_address = hw->phy_addr;
111 } else {
112 supported = (SUPPORTED_1000baseT_Full |
113 SUPPORTED_FIBRE |
114 SUPPORTED_Autoneg);
115
116 advertising = (ADVERTISED_1000baseT_Full |
117 ADVERTISED_FIBRE |
118 ADVERTISED_Autoneg);
119
120 cmd->base.port = PORT_FIBRE;
121 }
122
123 if (er32(STATUS) & E1000_STATUS_LU) {
124 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
125 &adapter->link_duplex);
126 cmd->base.speed = adapter->link_speed;
127
128
129
130
131 if (adapter->link_duplex == FULL_DUPLEX)
132 cmd->base.duplex = DUPLEX_FULL;
133 else
134 cmd->base.duplex = DUPLEX_HALF;
135 } else {
136 cmd->base.speed = SPEED_UNKNOWN;
137 cmd->base.duplex = DUPLEX_UNKNOWN;
138 }
139
140 cmd->base.autoneg = ((hw->media_type == e1000_media_type_fiber) ||
141 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
142
143
144 if ((hw->media_type == e1000_media_type_copper) &&
145 netif_carrier_ok(netdev))
146 cmd->base.eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
147 ETH_TP_MDI_X : ETH_TP_MDI);
148 else
149 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
150
151 if (hw->mdix == AUTO_ALL_MODES)
152 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
153 else
154 cmd->base.eth_tp_mdix_ctrl = hw->mdix;
155
156 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
157 supported);
158 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
159 advertising);
160
161 return 0;
162}
163
164static int e1000_set_link_ksettings(struct net_device *netdev,
165 const struct ethtool_link_ksettings *cmd)
166{
167 struct e1000_adapter *adapter = netdev_priv(netdev);
168 struct e1000_hw *hw = &adapter->hw;
169 u32 advertising;
170
171 ethtool_convert_link_mode_to_legacy_u32(&advertising,
172 cmd->link_modes.advertising);
173
174
175
176
177
178 if (cmd->base.eth_tp_mdix_ctrl) {
179 if (hw->media_type != e1000_media_type_copper)
180 return -EOPNOTSUPP;
181
182 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
183 (cmd->base.autoneg != AUTONEG_ENABLE)) {
184 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
185 return -EINVAL;
186 }
187 }
188
189 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
190 msleep(1);
191
192 if (cmd->base.autoneg == AUTONEG_ENABLE) {
193 hw->autoneg = 1;
194 if (hw->media_type == e1000_media_type_fiber)
195 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
196 ADVERTISED_FIBRE |
197 ADVERTISED_Autoneg;
198 else
199 hw->autoneg_advertised = advertising |
200 ADVERTISED_TP |
201 ADVERTISED_Autoneg;
202 } else {
203 u32 speed = cmd->base.speed;
204
205 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
206 clear_bit(__E1000_RESETTING, &adapter->flags);
207 return -EINVAL;
208 }
209 }
210
211
212 if (cmd->base.eth_tp_mdix_ctrl) {
213 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
214 hw->mdix = AUTO_ALL_MODES;
215 else
216 hw->mdix = cmd->base.eth_tp_mdix_ctrl;
217 }
218
219
220
221 if (netif_running(adapter->netdev)) {
222 e1000_down(adapter);
223 e1000_up(adapter);
224 } else {
225 e1000_reset(adapter);
226 }
227 clear_bit(__E1000_RESETTING, &adapter->flags);
228 return 0;
229}
230
231static u32 e1000_get_link(struct net_device *netdev)
232{
233 struct e1000_adapter *adapter = netdev_priv(netdev);
234
235
236
237
238
239
240
241 if (!netif_carrier_ok(netdev))
242 adapter->hw.get_link_status = 1;
243
244 return e1000_has_link(adapter);
245}
246
247static void e1000_get_pauseparam(struct net_device *netdev,
248 struct ethtool_pauseparam *pause)
249{
250 struct e1000_adapter *adapter = netdev_priv(netdev);
251 struct e1000_hw *hw = &adapter->hw;
252
253 pause->autoneg =
254 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
255
256 if (hw->fc == E1000_FC_RX_PAUSE) {
257 pause->rx_pause = 1;
258 } else if (hw->fc == E1000_FC_TX_PAUSE) {
259 pause->tx_pause = 1;
260 } else if (hw->fc == E1000_FC_FULL) {
261 pause->rx_pause = 1;
262 pause->tx_pause = 1;
263 }
264}
265
266static int e1000_set_pauseparam(struct net_device *netdev,
267 struct ethtool_pauseparam *pause)
268{
269 struct e1000_adapter *adapter = netdev_priv(netdev);
270 struct e1000_hw *hw = &adapter->hw;
271 int retval = 0;
272
273 adapter->fc_autoneg = pause->autoneg;
274
275 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
276 msleep(1);
277
278 if (pause->rx_pause && pause->tx_pause)
279 hw->fc = E1000_FC_FULL;
280 else if (pause->rx_pause && !pause->tx_pause)
281 hw->fc = E1000_FC_RX_PAUSE;
282 else if (!pause->rx_pause && pause->tx_pause)
283 hw->fc = E1000_FC_TX_PAUSE;
284 else if (!pause->rx_pause && !pause->tx_pause)
285 hw->fc = E1000_FC_NONE;
286
287 hw->original_fc = hw->fc;
288
289 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
290 if (netif_running(adapter->netdev)) {
291 e1000_down(adapter);
292 e1000_up(adapter);
293 } else {
294 e1000_reset(adapter);
295 }
296 } else
297 retval = ((hw->media_type == e1000_media_type_fiber) ?
298 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
299
300 clear_bit(__E1000_RESETTING, &adapter->flags);
301 return retval;
302}
303
304static u32 e1000_get_msglevel(struct net_device *netdev)
305{
306 struct e1000_adapter *adapter = netdev_priv(netdev);
307
308 return adapter->msg_enable;
309}
310
311static void e1000_set_msglevel(struct net_device *netdev, u32 data)
312{
313 struct e1000_adapter *adapter = netdev_priv(netdev);
314
315 adapter->msg_enable = data;
316}
317
318static int e1000_get_regs_len(struct net_device *netdev)
319{
320#define E1000_REGS_LEN 32
321 return E1000_REGS_LEN * sizeof(u32);
322}
323
324static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
325 void *p)
326{
327 struct e1000_adapter *adapter = netdev_priv(netdev);
328 struct e1000_hw *hw = &adapter->hw;
329 u32 *regs_buff = p;
330 u16 phy_data;
331
332 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
333
334 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
335
336 regs_buff[0] = er32(CTRL);
337 regs_buff[1] = er32(STATUS);
338
339 regs_buff[2] = er32(RCTL);
340 regs_buff[3] = er32(RDLEN);
341 regs_buff[4] = er32(RDH);
342 regs_buff[5] = er32(RDT);
343 regs_buff[6] = er32(RDTR);
344
345 regs_buff[7] = er32(TCTL);
346 regs_buff[8] = er32(TDLEN);
347 regs_buff[9] = er32(TDH);
348 regs_buff[10] = er32(TDT);
349 regs_buff[11] = er32(TIDV);
350
351 regs_buff[12] = hw->phy_type;
352 if (hw->phy_type == e1000_phy_igp) {
353 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
354 IGP01E1000_PHY_AGC_A);
355 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
356 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
357 regs_buff[13] = (u32)phy_data;
358 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
359 IGP01E1000_PHY_AGC_B);
360 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
361 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
362 regs_buff[14] = (u32)phy_data;
363 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
364 IGP01E1000_PHY_AGC_C);
365 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
366 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
367 regs_buff[15] = (u32)phy_data;
368 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
369 IGP01E1000_PHY_AGC_D);
370 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
371 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
372 regs_buff[16] = (u32)phy_data;
373 regs_buff[17] = 0;
374 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
375 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
376 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
377 regs_buff[18] = (u32)phy_data;
378 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
379 IGP01E1000_PHY_PCS_INIT_REG);
380 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
381 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
382 regs_buff[19] = (u32)phy_data;
383 regs_buff[20] = 0;
384 regs_buff[22] = 0;
385 regs_buff[23] = regs_buff[18];
386 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
387 } else {
388 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
389 regs_buff[13] = (u32)phy_data;
390 regs_buff[14] = 0;
391 regs_buff[15] = 0;
392 regs_buff[16] = 0;
393 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
394 regs_buff[17] = (u32)phy_data;
395 regs_buff[18] = regs_buff[13];
396 regs_buff[19] = 0;
397 regs_buff[20] = regs_buff[17];
398
399 regs_buff[22] = adapter->phy_stats.receive_errors;
400 regs_buff[23] = regs_buff[13];
401 }
402 regs_buff[21] = adapter->phy_stats.idle_errors;
403 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
404 regs_buff[24] = (u32)phy_data;
405 regs_buff[25] = regs_buff[24];
406 if (hw->mac_type >= e1000_82540 &&
407 hw->media_type == e1000_media_type_copper) {
408 regs_buff[26] = er32(MANC);
409 }
410}
411
412static int e1000_get_eeprom_len(struct net_device *netdev)
413{
414 struct e1000_adapter *adapter = netdev_priv(netdev);
415 struct e1000_hw *hw = &adapter->hw;
416
417 return hw->eeprom.word_size * 2;
418}
419
420static int e1000_get_eeprom(struct net_device *netdev,
421 struct ethtool_eeprom *eeprom, u8 *bytes)
422{
423 struct e1000_adapter *adapter = netdev_priv(netdev);
424 struct e1000_hw *hw = &adapter->hw;
425 u16 *eeprom_buff;
426 int first_word, last_word;
427 int ret_val = 0;
428 u16 i;
429
430 if (eeprom->len == 0)
431 return -EINVAL;
432
433 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
434
435 first_word = eeprom->offset >> 1;
436 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
437
438 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
439 GFP_KERNEL);
440 if (!eeprom_buff)
441 return -ENOMEM;
442
443 if (hw->eeprom.type == e1000_eeprom_spi)
444 ret_val = e1000_read_eeprom(hw, first_word,
445 last_word - first_word + 1,
446 eeprom_buff);
447 else {
448 for (i = 0; i < last_word - first_word + 1; i++) {
449 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
450 &eeprom_buff[i]);
451 if (ret_val)
452 break;
453 }
454 }
455
456
457 for (i = 0; i < last_word - first_word + 1; i++)
458 le16_to_cpus(&eeprom_buff[i]);
459
460 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
461 eeprom->len);
462 kfree(eeprom_buff);
463
464 return ret_val;
465}
466
467static int e1000_set_eeprom(struct net_device *netdev,
468 struct ethtool_eeprom *eeprom, u8 *bytes)
469{
470 struct e1000_adapter *adapter = netdev_priv(netdev);
471 struct e1000_hw *hw = &adapter->hw;
472 u16 *eeprom_buff;
473 void *ptr;
474 int max_len, first_word, last_word, ret_val = 0;
475 u16 i;
476
477 if (eeprom->len == 0)
478 return -EOPNOTSUPP;
479
480 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
481 return -EFAULT;
482
483 max_len = hw->eeprom.word_size * 2;
484
485 first_word = eeprom->offset >> 1;
486 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
487 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
488 if (!eeprom_buff)
489 return -ENOMEM;
490
491 ptr = (void *)eeprom_buff;
492
493 if (eeprom->offset & 1) {
494
495
496
497 ret_val = e1000_read_eeprom(hw, first_word, 1,
498 &eeprom_buff[0]);
499 ptr++;
500 }
501 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
502
503
504
505 ret_val = e1000_read_eeprom(hw, last_word, 1,
506 &eeprom_buff[last_word - first_word]);
507 }
508
509
510 for (i = 0; i < last_word - first_word + 1; i++)
511 le16_to_cpus(&eeprom_buff[i]);
512
513 memcpy(ptr, bytes, eeprom->len);
514
515 for (i = 0; i < last_word - first_word + 1; i++)
516 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
517
518 ret_val = e1000_write_eeprom(hw, first_word,
519 last_word - first_word + 1, eeprom_buff);
520
521
522 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
523 e1000_update_eeprom_checksum(hw);
524
525 kfree(eeprom_buff);
526 return ret_val;
527}
528
529static void e1000_get_drvinfo(struct net_device *netdev,
530 struct ethtool_drvinfo *drvinfo)
531{
532 struct e1000_adapter *adapter = netdev_priv(netdev);
533
534 strlcpy(drvinfo->driver, e1000_driver_name,
535 sizeof(drvinfo->driver));
536 strlcpy(drvinfo->version, e1000_driver_version,
537 sizeof(drvinfo->version));
538
539 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
540 sizeof(drvinfo->bus_info));
541}
542
543static void e1000_get_ringparam(struct net_device *netdev,
544 struct ethtool_ringparam *ring)
545{
546 struct e1000_adapter *adapter = netdev_priv(netdev);
547 struct e1000_hw *hw = &adapter->hw;
548 e1000_mac_type mac_type = hw->mac_type;
549 struct e1000_tx_ring *txdr = adapter->tx_ring;
550 struct e1000_rx_ring *rxdr = adapter->rx_ring;
551
552 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
553 E1000_MAX_82544_RXD;
554 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
555 E1000_MAX_82544_TXD;
556 ring->rx_pending = rxdr->count;
557 ring->tx_pending = txdr->count;
558}
559
560static int e1000_set_ringparam(struct net_device *netdev,
561 struct ethtool_ringparam *ring)
562{
563 struct e1000_adapter *adapter = netdev_priv(netdev);
564 struct e1000_hw *hw = &adapter->hw;
565 e1000_mac_type mac_type = hw->mac_type;
566 struct e1000_tx_ring *txdr, *tx_old;
567 struct e1000_rx_ring *rxdr, *rx_old;
568 int i, err;
569
570 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
571 return -EINVAL;
572
573 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
574 msleep(1);
575
576 if (netif_running(adapter->netdev))
577 e1000_down(adapter);
578
579 tx_old = adapter->tx_ring;
580 rx_old = adapter->rx_ring;
581
582 err = -ENOMEM;
583 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
584 GFP_KERNEL);
585 if (!txdr)
586 goto err_alloc_tx;
587
588 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
589 GFP_KERNEL);
590 if (!rxdr)
591 goto err_alloc_rx;
592
593 adapter->tx_ring = txdr;
594 adapter->rx_ring = rxdr;
595
596 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
597 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
598 E1000_MAX_RXD : E1000_MAX_82544_RXD));
599 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
600 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
601 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
602 E1000_MAX_TXD : E1000_MAX_82544_TXD));
603 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
604
605 for (i = 0; i < adapter->num_tx_queues; i++)
606 txdr[i].count = txdr->count;
607 for (i = 0; i < adapter->num_rx_queues; i++)
608 rxdr[i].count = rxdr->count;
609
610 if (netif_running(adapter->netdev)) {
611
612 err = e1000_setup_all_rx_resources(adapter);
613 if (err)
614 goto err_setup_rx;
615 err = e1000_setup_all_tx_resources(adapter);
616 if (err)
617 goto err_setup_tx;
618
619
620
621
622
623 adapter->rx_ring = rx_old;
624 adapter->tx_ring = tx_old;
625 e1000_free_all_rx_resources(adapter);
626 e1000_free_all_tx_resources(adapter);
627 adapter->rx_ring = rxdr;
628 adapter->tx_ring = txdr;
629 err = e1000_up(adapter);
630 if (err)
631 goto err_setup;
632 }
633 kfree(tx_old);
634 kfree(rx_old);
635
636 clear_bit(__E1000_RESETTING, &adapter->flags);
637 return 0;
638err_setup_tx:
639 e1000_free_all_rx_resources(adapter);
640err_setup_rx:
641 adapter->rx_ring = rx_old;
642 adapter->tx_ring = tx_old;
643 kfree(rxdr);
644err_alloc_rx:
645 kfree(txdr);
646err_alloc_tx:
647 if (netif_running(adapter->netdev))
648 e1000_up(adapter);
649err_setup:
650 clear_bit(__E1000_RESETTING, &adapter->flags);
651 return err;
652}
653
654static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
655 u32 mask, u32 write)
656{
657 struct e1000_hw *hw = &adapter->hw;
658 static const u32 test[] = {
659 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
660 };
661 u8 __iomem *address = hw->hw_addr + reg;
662 u32 read;
663 int i;
664
665 for (i = 0; i < ARRAY_SIZE(test); i++) {
666 writel(write & test[i], address);
667 read = readl(address);
668 if (read != (write & test[i] & mask)) {
669 e_err(drv, "pattern test reg %04X failed: "
670 "got 0x%08X expected 0x%08X\n",
671 reg, read, (write & test[i] & mask));
672 *data = reg;
673 return true;
674 }
675 }
676 return false;
677}
678
679static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
680 u32 mask, u32 write)
681{
682 struct e1000_hw *hw = &adapter->hw;
683 u8 __iomem *address = hw->hw_addr + reg;
684 u32 read;
685
686 writel(write & mask, address);
687 read = readl(address);
688 if ((read & mask) != (write & mask)) {
689 e_err(drv, "set/check reg %04X test failed: "
690 "got 0x%08X expected 0x%08X\n",
691 reg, (read & mask), (write & mask));
692 *data = reg;
693 return true;
694 }
695 return false;
696}
697
698#define REG_PATTERN_TEST(reg, mask, write) \
699 do { \
700 if (reg_pattern_test(adapter, data, \
701 (hw->mac_type >= e1000_82543) \
702 ? E1000_##reg : E1000_82542_##reg, \
703 mask, write)) \
704 return 1; \
705 } while (0)
706
707#define REG_SET_AND_CHECK(reg, mask, write) \
708 do { \
709 if (reg_set_and_check(adapter, data, \
710 (hw->mac_type >= e1000_82543) \
711 ? E1000_##reg : E1000_82542_##reg, \
712 mask, write)) \
713 return 1; \
714 } while (0)
715
716static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
717{
718 u32 value, before, after;
719 u32 i, toggle;
720 struct e1000_hw *hw = &adapter->hw;
721
722
723
724
725
726
727 toggle = 0xFFFFF833;
728
729 before = er32(STATUS);
730 value = (er32(STATUS) & toggle);
731 ew32(STATUS, toggle);
732 after = er32(STATUS) & toggle;
733 if (value != after) {
734 e_err(drv, "failed STATUS register test got: "
735 "0x%08X expected: 0x%08X\n", after, value);
736 *data = 1;
737 return 1;
738 }
739
740 ew32(STATUS, before);
741
742 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
743 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
744 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
745 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
746
747 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
748 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
749 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
750 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
751 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
752 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
753 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
754 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
755 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
756 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
757
758 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
759
760 before = 0x06DFB3FE;
761 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
762 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
763
764 if (hw->mac_type >= e1000_82543) {
765 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
766 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
767 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
768 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
769 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
770 value = E1000_RAR_ENTRIES;
771 for (i = 0; i < value; i++) {
772 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
773 0x8003FFFF, 0xFFFFFFFF);
774 }
775 } else {
776 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
777 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
778 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
779 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
780 }
781
782 value = E1000_MC_TBL_SIZE;
783 for (i = 0; i < value; i++)
784 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
785
786 *data = 0;
787 return 0;
788}
789
790static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
791{
792 struct e1000_hw *hw = &adapter->hw;
793 u16 temp;
794 u16 checksum = 0;
795 u16 i;
796
797 *data = 0;
798
799 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
800 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
801 *data = 1;
802 break;
803 }
804 checksum += temp;
805 }
806
807
808 if ((checksum != (u16)EEPROM_SUM) && !(*data))
809 *data = 2;
810
811 return *data;
812}
813
814static irqreturn_t e1000_test_intr(int irq, void *data)
815{
816 struct net_device *netdev = (struct net_device *)data;
817 struct e1000_adapter *adapter = netdev_priv(netdev);
818 struct e1000_hw *hw = &adapter->hw;
819
820 adapter->test_icr |= er32(ICR);
821
822 return IRQ_HANDLED;
823}
824
825static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
826{
827 struct net_device *netdev = adapter->netdev;
828 u32 mask, i = 0;
829 bool shared_int = true;
830 u32 irq = adapter->pdev->irq;
831 struct e1000_hw *hw = &adapter->hw;
832
833 *data = 0;
834
835
836
837
838 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
839 netdev))
840 shared_int = false;
841 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
842 netdev->name, netdev)) {
843 *data = 1;
844 return -1;
845 }
846 e_info(hw, "testing %s interrupt\n", (shared_int ?
847 "shared" : "unshared"));
848
849
850 ew32(IMC, 0xFFFFFFFF);
851 E1000_WRITE_FLUSH();
852 msleep(10);
853
854
855 for (; i < 10; i++) {
856
857 mask = 1 << i;
858
859 if (!shared_int) {
860
861
862
863
864
865
866 adapter->test_icr = 0;
867 ew32(IMC, mask);
868 ew32(ICS, mask);
869 E1000_WRITE_FLUSH();
870 msleep(10);
871
872 if (adapter->test_icr & mask) {
873 *data = 3;
874 break;
875 }
876 }
877
878
879
880
881
882
883
884 adapter->test_icr = 0;
885 ew32(IMS, mask);
886 ew32(ICS, mask);
887 E1000_WRITE_FLUSH();
888 msleep(10);
889
890 if (!(adapter->test_icr & mask)) {
891 *data = 4;
892 break;
893 }
894
895 if (!shared_int) {
896
897
898
899
900
901
902 adapter->test_icr = 0;
903 ew32(IMC, ~mask & 0x00007FFF);
904 ew32(ICS, ~mask & 0x00007FFF);
905 E1000_WRITE_FLUSH();
906 msleep(10);
907
908 if (adapter->test_icr) {
909 *data = 5;
910 break;
911 }
912 }
913 }
914
915
916 ew32(IMC, 0xFFFFFFFF);
917 E1000_WRITE_FLUSH();
918 msleep(10);
919
920
921 free_irq(irq, netdev);
922
923 return *data;
924}
925
926static void e1000_free_desc_rings(struct e1000_adapter *adapter)
927{
928 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
929 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
930 struct pci_dev *pdev = adapter->pdev;
931 int i;
932
933 if (txdr->desc && txdr->buffer_info) {
934 for (i = 0; i < txdr->count; i++) {
935 if (txdr->buffer_info[i].dma)
936 dma_unmap_single(&pdev->dev,
937 txdr->buffer_info[i].dma,
938 txdr->buffer_info[i].length,
939 DMA_TO_DEVICE);
940 if (txdr->buffer_info[i].skb)
941 dev_kfree_skb(txdr->buffer_info[i].skb);
942 }
943 }
944
945 if (rxdr->desc && rxdr->buffer_info) {
946 for (i = 0; i < rxdr->count; i++) {
947 if (rxdr->buffer_info[i].dma)
948 dma_unmap_single(&pdev->dev,
949 rxdr->buffer_info[i].dma,
950 E1000_RXBUFFER_2048,
951 DMA_FROM_DEVICE);
952 kfree(rxdr->buffer_info[i].rxbuf.data);
953 }
954 }
955
956 if (txdr->desc) {
957 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
958 txdr->dma);
959 txdr->desc = NULL;
960 }
961 if (rxdr->desc) {
962 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
963 rxdr->dma);
964 rxdr->desc = NULL;
965 }
966
967 kfree(txdr->buffer_info);
968 txdr->buffer_info = NULL;
969 kfree(rxdr->buffer_info);
970 rxdr->buffer_info = NULL;
971}
972
973static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
974{
975 struct e1000_hw *hw = &adapter->hw;
976 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
977 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
978 struct pci_dev *pdev = adapter->pdev;
979 u32 rctl;
980 int i, ret_val;
981
982
983
984 if (!txdr->count)
985 txdr->count = E1000_DEFAULT_TXD;
986
987 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
988 GFP_KERNEL);
989 if (!txdr->buffer_info) {
990 ret_val = 1;
991 goto err_nomem;
992 }
993
994 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
995 txdr->size = ALIGN(txdr->size, 4096);
996 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
997 GFP_KERNEL);
998 if (!txdr->desc) {
999 ret_val = 2;
1000 goto err_nomem;
1001 }
1002 txdr->next_to_use = txdr->next_to_clean = 0;
1003
1004 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1005 ew32(TDBAH, ((u64)txdr->dma >> 32));
1006 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1007 ew32(TDH, 0);
1008 ew32(TDT, 0);
1009 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1010 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1011 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1012
1013 for (i = 0; i < txdr->count; i++) {
1014 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1015 struct sk_buff *skb;
1016 unsigned int size = 1024;
1017
1018 skb = alloc_skb(size, GFP_KERNEL);
1019 if (!skb) {
1020 ret_val = 3;
1021 goto err_nomem;
1022 }
1023 skb_put(skb, size);
1024 txdr->buffer_info[i].skb = skb;
1025 txdr->buffer_info[i].length = skb->len;
1026 txdr->buffer_info[i].dma =
1027 dma_map_single(&pdev->dev, skb->data, skb->len,
1028 DMA_TO_DEVICE);
1029 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1030 ret_val = 4;
1031 goto err_nomem;
1032 }
1033 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1034 tx_desc->lower.data = cpu_to_le32(skb->len);
1035 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1036 E1000_TXD_CMD_IFCS |
1037 E1000_TXD_CMD_RPS);
1038 tx_desc->upper.data = 0;
1039 }
1040
1041
1042
1043 if (!rxdr->count)
1044 rxdr->count = E1000_DEFAULT_RXD;
1045
1046 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1047 GFP_KERNEL);
1048 if (!rxdr->buffer_info) {
1049 ret_val = 5;
1050 goto err_nomem;
1051 }
1052
1053 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1054 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1055 GFP_KERNEL);
1056 if (!rxdr->desc) {
1057 ret_val = 6;
1058 goto err_nomem;
1059 }
1060 rxdr->next_to_use = rxdr->next_to_clean = 0;
1061
1062 rctl = er32(RCTL);
1063 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1064 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1065 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1066 ew32(RDLEN, rxdr->size);
1067 ew32(RDH, 0);
1068 ew32(RDT, 0);
1069 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1070 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1071 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1072 ew32(RCTL, rctl);
1073
1074 for (i = 0; i < rxdr->count; i++) {
1075 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1076 u8 *buf;
1077
1078 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1079 GFP_KERNEL);
1080 if (!buf) {
1081 ret_val = 7;
1082 goto err_nomem;
1083 }
1084 rxdr->buffer_info[i].rxbuf.data = buf;
1085
1086 rxdr->buffer_info[i].dma =
1087 dma_map_single(&pdev->dev,
1088 buf + NET_SKB_PAD + NET_IP_ALIGN,
1089 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1090 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1091 ret_val = 8;
1092 goto err_nomem;
1093 }
1094 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1095 }
1096
1097 return 0;
1098
1099err_nomem:
1100 e1000_free_desc_rings(adapter);
1101 return ret_val;
1102}
1103
1104static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1105{
1106 struct e1000_hw *hw = &adapter->hw;
1107
1108
1109 e1000_write_phy_reg(hw, 29, 0x001F);
1110 e1000_write_phy_reg(hw, 30, 0x8FFC);
1111 e1000_write_phy_reg(hw, 29, 0x001A);
1112 e1000_write_phy_reg(hw, 30, 0x8FF0);
1113}
1114
1115static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1116{
1117 struct e1000_hw *hw = &adapter->hw;
1118 u16 phy_reg;
1119
1120
1121
1122
1123
1124 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1125 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1126 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1127
1128
1129
1130
1131
1132 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1133 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1134 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1135}
1136
1137static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1138{
1139 struct e1000_hw *hw = &adapter->hw;
1140 u32 ctrl_reg;
1141 u16 phy_reg;
1142
1143
1144
1145 ctrl_reg = er32(CTRL);
1146 ctrl_reg |= (E1000_CTRL_ILOS |
1147 E1000_CTRL_FRCSPD |
1148 E1000_CTRL_FRCDPX |
1149 E1000_CTRL_SPD_1000 |
1150 E1000_CTRL_FD);
1151
1152 ew32(CTRL, ctrl_reg);
1153
1154
1155 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1156
1157
1158
1159
1160 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1161 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1162
1163
1164 e1000_phy_reset(hw);
1165
1166
1167 e1000_phy_reset_clk_and_crs(adapter);
1168
1169 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1170
1171
1172 udelay(500);
1173
1174
1175 e1000_phy_reset_clk_and_crs(adapter);
1176
1177
1178 e1000_phy_disable_receiver(adapter);
1179
1180
1181 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1182 phy_reg |= MII_CR_LOOPBACK;
1183 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1184
1185
1186 e1000_phy_reset_clk_and_crs(adapter);
1187
1188
1189 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1190 if (phy_reg != 0x4100)
1191 return 9;
1192
1193 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1194 if (phy_reg != 0x0070)
1195 return 10;
1196
1197 e1000_read_phy_reg(hw, 29, &phy_reg);
1198 if (phy_reg != 0x001A)
1199 return 11;
1200
1201 return 0;
1202}
1203
1204static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1205{
1206 struct e1000_hw *hw = &adapter->hw;
1207 u32 ctrl_reg = 0;
1208 u32 stat_reg = 0;
1209
1210 hw->autoneg = false;
1211
1212 if (hw->phy_type == e1000_phy_m88) {
1213
1214 e1000_write_phy_reg(hw,
1215 M88E1000_PHY_SPEC_CTRL, 0x0808);
1216
1217 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1218
1219 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1220 }
1221
1222 ctrl_reg = er32(CTRL);
1223
1224
1225 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1226
1227
1228 ctrl_reg = er32(CTRL);
1229 ctrl_reg &= ~E1000_CTRL_SPD_SEL;
1230 ctrl_reg |= (E1000_CTRL_FRCSPD |
1231 E1000_CTRL_FRCDPX |
1232 E1000_CTRL_SPD_1000 |
1233 E1000_CTRL_FD);
1234
1235 if (hw->media_type == e1000_media_type_copper &&
1236 hw->phy_type == e1000_phy_m88)
1237 ctrl_reg |= E1000_CTRL_ILOS;
1238 else {
1239
1240
1241
1242 stat_reg = er32(STATUS);
1243 if ((stat_reg & E1000_STATUS_FD) == 0)
1244 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1245 }
1246
1247 ew32(CTRL, ctrl_reg);
1248
1249
1250
1251
1252 if (hw->phy_type == e1000_phy_m88)
1253 e1000_phy_disable_receiver(adapter);
1254
1255 udelay(500);
1256
1257 return 0;
1258}
1259
1260static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1261{
1262 struct e1000_hw *hw = &adapter->hw;
1263 u16 phy_reg = 0;
1264 u16 count = 0;
1265
1266 switch (hw->mac_type) {
1267 case e1000_82543:
1268 if (hw->media_type == e1000_media_type_copper) {
1269
1270
1271
1272
1273 while (e1000_nonintegrated_phy_loopback(adapter) &&
1274 count++ < 10);
1275 if (count < 11)
1276 return 0;
1277 }
1278 break;
1279
1280 case e1000_82544:
1281 case e1000_82540:
1282 case e1000_82545:
1283 case e1000_82545_rev_3:
1284 case e1000_82546:
1285 case e1000_82546_rev_3:
1286 case e1000_82541:
1287 case e1000_82541_rev_2:
1288 case e1000_82547:
1289 case e1000_82547_rev_2:
1290 return e1000_integrated_phy_loopback(adapter);
1291 default:
1292
1293
1294
1295 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1296 phy_reg |= MII_CR_LOOPBACK;
1297 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1298 return 0;
1299 }
1300
1301 return 8;
1302}
1303
1304static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1305{
1306 struct e1000_hw *hw = &adapter->hw;
1307 u32 rctl;
1308
1309 if (hw->media_type == e1000_media_type_fiber ||
1310 hw->media_type == e1000_media_type_internal_serdes) {
1311 switch (hw->mac_type) {
1312 case e1000_82545:
1313 case e1000_82546:
1314 case e1000_82545_rev_3:
1315 case e1000_82546_rev_3:
1316 return e1000_set_phy_loopback(adapter);
1317 default:
1318 rctl = er32(RCTL);
1319 rctl |= E1000_RCTL_LBM_TCVR;
1320 ew32(RCTL, rctl);
1321 return 0;
1322 }
1323 } else if (hw->media_type == e1000_media_type_copper) {
1324 return e1000_set_phy_loopback(adapter);
1325 }
1326
1327 return 7;
1328}
1329
1330static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1331{
1332 struct e1000_hw *hw = &adapter->hw;
1333 u32 rctl;
1334 u16 phy_reg;
1335
1336 rctl = er32(RCTL);
1337 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1338 ew32(RCTL, rctl);
1339
1340 switch (hw->mac_type) {
1341 case e1000_82545:
1342 case e1000_82546:
1343 case e1000_82545_rev_3:
1344 case e1000_82546_rev_3:
1345 default:
1346 hw->autoneg = true;
1347 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1348 if (phy_reg & MII_CR_LOOPBACK) {
1349 phy_reg &= ~MII_CR_LOOPBACK;
1350 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1351 e1000_phy_reset(hw);
1352 }
1353 break;
1354 }
1355}
1356
1357static void e1000_create_lbtest_frame(struct sk_buff *skb,
1358 unsigned int frame_size)
1359{
1360 memset(skb->data, 0xFF, frame_size);
1361 frame_size &= ~1;
1362 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1363 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1364 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1365}
1366
1367static int e1000_check_lbtest_frame(const unsigned char *data,
1368 unsigned int frame_size)
1369{
1370 frame_size &= ~1;
1371 if (*(data + 3) == 0xFF) {
1372 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1373 (*(data + frame_size / 2 + 12) == 0xAF)) {
1374 return 0;
1375 }
1376 }
1377 return 13;
1378}
1379
1380static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1381{
1382 struct e1000_hw *hw = &adapter->hw;
1383 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1384 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1385 struct pci_dev *pdev = adapter->pdev;
1386 int i, j, k, l, lc, good_cnt, ret_val = 0;
1387 unsigned long time;
1388
1389 ew32(RDT, rxdr->count - 1);
1390
1391
1392
1393
1394
1395
1396 if (rxdr->count <= txdr->count)
1397 lc = ((txdr->count / 64) * 2) + 1;
1398 else
1399 lc = ((rxdr->count / 64) * 2) + 1;
1400
1401 k = l = 0;
1402 for (j = 0; j <= lc; j++) {
1403 for (i = 0; i < 64; i++) {
1404 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1405 1024);
1406 dma_sync_single_for_device(&pdev->dev,
1407 txdr->buffer_info[k].dma,
1408 txdr->buffer_info[k].length,
1409 DMA_TO_DEVICE);
1410 if (unlikely(++k == txdr->count))
1411 k = 0;
1412 }
1413 ew32(TDT, k);
1414 E1000_WRITE_FLUSH();
1415 msleep(200);
1416 time = jiffies;
1417 good_cnt = 0;
1418 do {
1419 dma_sync_single_for_cpu(&pdev->dev,
1420 rxdr->buffer_info[l].dma,
1421 E1000_RXBUFFER_2048,
1422 DMA_FROM_DEVICE);
1423
1424 ret_val = e1000_check_lbtest_frame(
1425 rxdr->buffer_info[l].rxbuf.data +
1426 NET_SKB_PAD + NET_IP_ALIGN,
1427 1024);
1428 if (!ret_val)
1429 good_cnt++;
1430 if (unlikely(++l == rxdr->count))
1431 l = 0;
1432
1433
1434
1435
1436 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1437
1438 if (good_cnt != 64) {
1439 ret_val = 13;
1440 break;
1441 }
1442 if (time_after_eq(jiffies, time + 2)) {
1443 ret_val = 14;
1444 break;
1445 }
1446 }
1447 return ret_val;
1448}
1449
1450static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1451{
1452 *data = e1000_setup_desc_rings(adapter);
1453 if (*data)
1454 goto out;
1455 *data = e1000_setup_loopback_test(adapter);
1456 if (*data)
1457 goto err_loopback;
1458 *data = e1000_run_loopback_test(adapter);
1459 e1000_loopback_cleanup(adapter);
1460
1461err_loopback:
1462 e1000_free_desc_rings(adapter);
1463out:
1464 return *data;
1465}
1466
1467static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1468{
1469 struct e1000_hw *hw = &adapter->hw;
1470 *data = 0;
1471 if (hw->media_type == e1000_media_type_internal_serdes) {
1472 int i = 0;
1473
1474 hw->serdes_has_link = false;
1475
1476
1477
1478
1479 do {
1480 e1000_check_for_link(hw);
1481 if (hw->serdes_has_link)
1482 return *data;
1483 msleep(20);
1484 } while (i++ < 3750);
1485
1486 *data = 1;
1487 } else {
1488 e1000_check_for_link(hw);
1489 if (hw->autoneg)
1490 msleep(4000);
1491
1492 if (!(er32(STATUS) & E1000_STATUS_LU))
1493 *data = 1;
1494 }
1495 return *data;
1496}
1497
1498static int e1000_get_sset_count(struct net_device *netdev, int sset)
1499{
1500 switch (sset) {
1501 case ETH_SS_TEST:
1502 return E1000_TEST_LEN;
1503 case ETH_SS_STATS:
1504 return E1000_STATS_LEN;
1505 default:
1506 return -EOPNOTSUPP;
1507 }
1508}
1509
1510static void e1000_diag_test(struct net_device *netdev,
1511 struct ethtool_test *eth_test, u64 *data)
1512{
1513 struct e1000_adapter *adapter = netdev_priv(netdev);
1514 struct e1000_hw *hw = &adapter->hw;
1515 bool if_running = netif_running(netdev);
1516
1517 set_bit(__E1000_TESTING, &adapter->flags);
1518 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1519
1520
1521
1522 u16 autoneg_advertised = hw->autoneg_advertised;
1523 u8 forced_speed_duplex = hw->forced_speed_duplex;
1524 u8 autoneg = hw->autoneg;
1525
1526 e_info(hw, "offline testing starting\n");
1527
1528
1529
1530
1531 if (e1000_link_test(adapter, &data[4]))
1532 eth_test->flags |= ETH_TEST_FL_FAILED;
1533
1534 if (if_running)
1535
1536 e1000_close(netdev);
1537 else
1538 e1000_reset(adapter);
1539
1540 if (e1000_reg_test(adapter, &data[0]))
1541 eth_test->flags |= ETH_TEST_FL_FAILED;
1542
1543 e1000_reset(adapter);
1544 if (e1000_eeprom_test(adapter, &data[1]))
1545 eth_test->flags |= ETH_TEST_FL_FAILED;
1546
1547 e1000_reset(adapter);
1548 if (e1000_intr_test(adapter, &data[2]))
1549 eth_test->flags |= ETH_TEST_FL_FAILED;
1550
1551 e1000_reset(adapter);
1552
1553 e1000_power_up_phy(adapter);
1554 if (e1000_loopback_test(adapter, &data[3]))
1555 eth_test->flags |= ETH_TEST_FL_FAILED;
1556
1557
1558 hw->autoneg_advertised = autoneg_advertised;
1559 hw->forced_speed_duplex = forced_speed_duplex;
1560 hw->autoneg = autoneg;
1561
1562 e1000_reset(adapter);
1563 clear_bit(__E1000_TESTING, &adapter->flags);
1564 if (if_running)
1565 e1000_open(netdev);
1566 } else {
1567 e_info(hw, "online testing starting\n");
1568
1569 if (e1000_link_test(adapter, &data[4]))
1570 eth_test->flags |= ETH_TEST_FL_FAILED;
1571
1572
1573 data[0] = 0;
1574 data[1] = 0;
1575 data[2] = 0;
1576 data[3] = 0;
1577
1578 clear_bit(__E1000_TESTING, &adapter->flags);
1579 }
1580 msleep_interruptible(4 * 1000);
1581}
1582
1583static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1584 struct ethtool_wolinfo *wol)
1585{
1586 struct e1000_hw *hw = &adapter->hw;
1587 int retval = 1;
1588
1589 switch (hw->device_id) {
1590 case E1000_DEV_ID_82542:
1591 case E1000_DEV_ID_82543GC_FIBER:
1592 case E1000_DEV_ID_82543GC_COPPER:
1593 case E1000_DEV_ID_82544EI_FIBER:
1594 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1595 case E1000_DEV_ID_82545EM_FIBER:
1596 case E1000_DEV_ID_82545EM_COPPER:
1597 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1598 case E1000_DEV_ID_82546GB_PCIE:
1599
1600 wol->supported = 0;
1601 break;
1602 case E1000_DEV_ID_82546EB_FIBER:
1603 case E1000_DEV_ID_82546GB_FIBER:
1604
1605 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1606 wol->supported = 0;
1607 break;
1608 }
1609
1610 retval = 0;
1611 break;
1612 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1613
1614 if (!adapter->quad_port_a) {
1615 wol->supported = 0;
1616 break;
1617 }
1618
1619 retval = 0;
1620 break;
1621 default:
1622
1623
1624
1625
1626 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1627 !adapter->eeprom_wol) {
1628 wol->supported = 0;
1629 break;
1630 }
1631
1632 retval = 0;
1633 }
1634
1635 return retval;
1636}
1637
1638static void e1000_get_wol(struct net_device *netdev,
1639 struct ethtool_wolinfo *wol)
1640{
1641 struct e1000_adapter *adapter = netdev_priv(netdev);
1642 struct e1000_hw *hw = &adapter->hw;
1643
1644 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1645 wol->wolopts = 0;
1646
1647
1648
1649
1650 if (e1000_wol_exclusion(adapter, wol) ||
1651 !device_can_wakeup(&adapter->pdev->dev))
1652 return;
1653
1654
1655 switch (hw->device_id) {
1656 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1657
1658 wol->supported &= ~WAKE_UCAST;
1659
1660 if (adapter->wol & E1000_WUFC_EX)
1661 e_err(drv, "Interface does not support directed "
1662 "(unicast) frame wake-up packets\n");
1663 break;
1664 default:
1665 break;
1666 }
1667
1668 if (adapter->wol & E1000_WUFC_EX)
1669 wol->wolopts |= WAKE_UCAST;
1670 if (adapter->wol & E1000_WUFC_MC)
1671 wol->wolopts |= WAKE_MCAST;
1672 if (adapter->wol & E1000_WUFC_BC)
1673 wol->wolopts |= WAKE_BCAST;
1674 if (adapter->wol & E1000_WUFC_MAG)
1675 wol->wolopts |= WAKE_MAGIC;
1676}
1677
1678static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1679{
1680 struct e1000_adapter *adapter = netdev_priv(netdev);
1681 struct e1000_hw *hw = &adapter->hw;
1682
1683 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1684 return -EOPNOTSUPP;
1685
1686 if (e1000_wol_exclusion(adapter, wol) ||
1687 !device_can_wakeup(&adapter->pdev->dev))
1688 return wol->wolopts ? -EOPNOTSUPP : 0;
1689
1690 switch (hw->device_id) {
1691 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1692 if (wol->wolopts & WAKE_UCAST) {
1693 e_err(drv, "Interface does not support directed "
1694 "(unicast) frame wake-up packets\n");
1695 return -EOPNOTSUPP;
1696 }
1697 break;
1698 default:
1699 break;
1700 }
1701
1702
1703 adapter->wol = 0;
1704
1705 if (wol->wolopts & WAKE_UCAST)
1706 adapter->wol |= E1000_WUFC_EX;
1707 if (wol->wolopts & WAKE_MCAST)
1708 adapter->wol |= E1000_WUFC_MC;
1709 if (wol->wolopts & WAKE_BCAST)
1710 adapter->wol |= E1000_WUFC_BC;
1711 if (wol->wolopts & WAKE_MAGIC)
1712 adapter->wol |= E1000_WUFC_MAG;
1713
1714 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1715
1716 return 0;
1717}
1718
1719static int e1000_set_phys_id(struct net_device *netdev,
1720 enum ethtool_phys_id_state state)
1721{
1722 struct e1000_adapter *adapter = netdev_priv(netdev);
1723 struct e1000_hw *hw = &adapter->hw;
1724
1725 switch (state) {
1726 case ETHTOOL_ID_ACTIVE:
1727 e1000_setup_led(hw);
1728 return 2;
1729
1730 case ETHTOOL_ID_ON:
1731 e1000_led_on(hw);
1732 break;
1733
1734 case ETHTOOL_ID_OFF:
1735 e1000_led_off(hw);
1736 break;
1737
1738 case ETHTOOL_ID_INACTIVE:
1739 e1000_cleanup_led(hw);
1740 }
1741
1742 return 0;
1743}
1744
1745static int e1000_get_coalesce(struct net_device *netdev,
1746 struct ethtool_coalesce *ec)
1747{
1748 struct e1000_adapter *adapter = netdev_priv(netdev);
1749
1750 if (adapter->hw.mac_type < e1000_82545)
1751 return -EOPNOTSUPP;
1752
1753 if (adapter->itr_setting <= 4)
1754 ec->rx_coalesce_usecs = adapter->itr_setting;
1755 else
1756 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1757
1758 return 0;
1759}
1760
1761static int e1000_set_coalesce(struct net_device *netdev,
1762 struct ethtool_coalesce *ec)
1763{
1764 struct e1000_adapter *adapter = netdev_priv(netdev);
1765 struct e1000_hw *hw = &adapter->hw;
1766
1767 if (hw->mac_type < e1000_82545)
1768 return -EOPNOTSUPP;
1769
1770 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1771 ((ec->rx_coalesce_usecs > 4) &&
1772 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1773 (ec->rx_coalesce_usecs == 2))
1774 return -EINVAL;
1775
1776 if (ec->rx_coalesce_usecs == 4) {
1777 adapter->itr = adapter->itr_setting = 4;
1778 } else if (ec->rx_coalesce_usecs <= 3) {
1779 adapter->itr = 20000;
1780 adapter->itr_setting = ec->rx_coalesce_usecs;
1781 } else {
1782 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1783 adapter->itr_setting = adapter->itr & ~3;
1784 }
1785
1786 if (adapter->itr_setting != 0)
1787 ew32(ITR, 1000000000 / (adapter->itr * 256));
1788 else
1789 ew32(ITR, 0);
1790
1791 return 0;
1792}
1793
1794static int e1000_nway_reset(struct net_device *netdev)
1795{
1796 struct e1000_adapter *adapter = netdev_priv(netdev);
1797
1798 if (netif_running(netdev))
1799 e1000_reinit_locked(adapter);
1800 return 0;
1801}
1802
1803static void e1000_get_ethtool_stats(struct net_device *netdev,
1804 struct ethtool_stats *stats, u64 *data)
1805{
1806 struct e1000_adapter *adapter = netdev_priv(netdev);
1807 int i;
1808 const struct e1000_stats *stat = e1000_gstrings_stats;
1809
1810 e1000_update_stats(adapter);
1811 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
1812 char *p;
1813
1814 switch (stat->type) {
1815 case NETDEV_STATS:
1816 p = (char *)netdev + stat->stat_offset;
1817 break;
1818 case E1000_STATS:
1819 p = (char *)adapter + stat->stat_offset;
1820 break;
1821 default:
1822 netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n",
1823 stat->type, i);
1824 continue;
1825 }
1826
1827 if (stat->sizeof_stat == sizeof(u64))
1828 data[i] = *(u64 *)p;
1829 else
1830 data[i] = *(u32 *)p;
1831 }
1832
1833}
1834
1835static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1836 u8 *data)
1837{
1838 u8 *p = data;
1839 int i;
1840
1841 switch (stringset) {
1842 case ETH_SS_TEST:
1843 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1844 break;
1845 case ETH_SS_STATS:
1846 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1847 memcpy(p, e1000_gstrings_stats[i].stat_string,
1848 ETH_GSTRING_LEN);
1849 p += ETH_GSTRING_LEN;
1850 }
1851
1852 break;
1853 }
1854}
1855
1856static const struct ethtool_ops e1000_ethtool_ops = {
1857 .get_drvinfo = e1000_get_drvinfo,
1858 .get_regs_len = e1000_get_regs_len,
1859 .get_regs = e1000_get_regs,
1860 .get_wol = e1000_get_wol,
1861 .set_wol = e1000_set_wol,
1862 .get_msglevel = e1000_get_msglevel,
1863 .set_msglevel = e1000_set_msglevel,
1864 .nway_reset = e1000_nway_reset,
1865 .get_link = e1000_get_link,
1866 .get_eeprom_len = e1000_get_eeprom_len,
1867 .get_eeprom = e1000_get_eeprom,
1868 .set_eeprom = e1000_set_eeprom,
1869 .get_ringparam = e1000_get_ringparam,
1870 .set_ringparam = e1000_set_ringparam,
1871 .get_pauseparam = e1000_get_pauseparam,
1872 .set_pauseparam = e1000_set_pauseparam,
1873 .self_test = e1000_diag_test,
1874 .get_strings = e1000_get_strings,
1875 .set_phys_id = e1000_set_phys_id,
1876 .get_ethtool_stats = e1000_get_ethtool_stats,
1877 .get_sset_count = e1000_get_sset_count,
1878 .get_coalesce = e1000_get_coalesce,
1879 .set_coalesce = e1000_set_coalesce,
1880 .get_ts_info = ethtool_op_get_ts_info,
1881 .get_link_ksettings = e1000_get_link_ksettings,
1882 .set_link_ksettings = e1000_set_link_ksettings,
1883};
1884
1885void e1000_set_ethtool_ops(struct net_device *netdev)
1886{
1887 netdev->ethtool_ops = &e1000_ethtool_ops;
1888}
1889
