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e1000e: checkpatch error - trailing statements
[deliverable/linux.git] / drivers / net / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
451152d9 4 Copyright(c) 1999 - 2010 Intel Corporation.
bc7f75fa
AK		 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>
5a0e3ad6 34#include <linux/slab.h>
bc7f75fa
AK		 35#include <linux/delay.h>
36
37#include "e1000.h"
38
e0f36a95
AK		 39enum {NETDEV_STATS, E1000_STATS};
40
bc7f75fa
AK		 41struct e1000_stats {
42 char stat_string[ETH_GSTRING_LEN];
e0f36a95 43 int type;
bc7f75fa
AK		 44 int sizeof_stat;
45 int stat_offset;
46};
47
f0f1a172
BA		 48#define E1000_STAT(str, m) { \
49 .stat_string = str, \
50 .type = E1000_STATS, \
51 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
52 .stat_offset = offsetof(struct e1000_adapter, m) }
53#define E1000_NETDEV_STAT(str, m) { \
54 .stat_string = str, \
55 .type = NETDEV_STATS, \
56 .sizeof_stat = sizeof(((struct net_device *)0)->m), \
57 .stat_offset = offsetof(struct net_device, m) }
e0f36a95 58
bc7f75fa 59static const struct e1000_stats e1000_gstrings_stats[] = {
f0f1a172
BA		 60 E1000_STAT("rx_packets", stats.gprc),
61 E1000_STAT("tx_packets", stats.gptc),
62 E1000_STAT("rx_bytes", stats.gorc),
63 E1000_STAT("tx_bytes", stats.gotc),
64 E1000_STAT("rx_broadcast", stats.bprc),
65 E1000_STAT("tx_broadcast", stats.bptc),
66 E1000_STAT("rx_multicast", stats.mprc),
67 E1000_STAT("tx_multicast", stats.mptc),
68 E1000_NETDEV_STAT("rx_errors", stats.rx_errors),
69 E1000_NETDEV_STAT("tx_errors", stats.tx_errors),
70 E1000_NETDEV_STAT("tx_dropped", stats.tx_dropped),
71 E1000_STAT("multicast", stats.mprc),
72 E1000_STAT("collisions", stats.colc),
73 E1000_NETDEV_STAT("rx_length_errors", stats.rx_length_errors),
74 E1000_NETDEV_STAT("rx_over_errors", stats.rx_over_errors),
75 E1000_STAT("rx_crc_errors", stats.crcerrs),
76 E1000_NETDEV_STAT("rx_frame_errors", stats.rx_frame_errors),
77 E1000_STAT("rx_no_buffer_count", stats.rnbc),
78 E1000_STAT("rx_missed_errors", stats.mpc),
79 E1000_STAT("tx_aborted_errors", stats.ecol),
80 E1000_STAT("tx_carrier_errors", stats.tncrs),
81 E1000_NETDEV_STAT("tx_fifo_errors", stats.tx_fifo_errors),
82 E1000_NETDEV_STAT("tx_heartbeat_errors", stats.tx_heartbeat_errors),
83 E1000_STAT("tx_window_errors", stats.latecol),
84 E1000_STAT("tx_abort_late_coll", stats.latecol),
85 E1000_STAT("tx_deferred_ok", stats.dc),
86 E1000_STAT("tx_single_coll_ok", stats.scc),
87 E1000_STAT("tx_multi_coll_ok", stats.mcc),
88 E1000_STAT("tx_timeout_count", tx_timeout_count),
89 E1000_STAT("tx_restart_queue", restart_queue),
90 E1000_STAT("rx_long_length_errors", stats.roc),
91 E1000_STAT("rx_short_length_errors", stats.ruc),
92 E1000_STAT("rx_align_errors", stats.algnerrc),
93 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
94 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
95 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
96 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
97 E1000_STAT("tx_flow_control_xon", stats.xontxc),
98 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
99 E1000_STAT("rx_long_byte_count", stats.gorc),
100 E1000_STAT("rx_csum_offload_good", hw_csum_good),
101 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
102 E1000_STAT("rx_header_split", rx_hdr_split),
103 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
104 E1000_STAT("tx_smbus", stats.mgptc),
105 E1000_STAT("rx_smbus", stats.mgprc),
106 E1000_STAT("dropped_smbus", stats.mgpdc),
107 E1000_STAT("rx_dma_failed", rx_dma_failed),
108 E1000_STAT("tx_dma_failed", tx_dma_failed),
bc7f75fa
AK		 109};
110
c00acf46 111#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 112#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
113static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
114 "Register test (offline)", "Eeprom test (offline)",
115 "Interrupt test (offline)", "Loopback test (offline)",
116 "Link test (on/offline)"
117};
ad68076e 118#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 119
120static int e1000_get_settings(struct net_device *netdev,
121 struct ethtool_cmd *ecmd)
122{
123 struct e1000_adapter *adapter = netdev_priv(netdev);
124 struct e1000_hw *hw = &adapter->hw;
125
318a94d6 126 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 127
128 ecmd->supported = (SUPPORTED_10baseT_Half |
129 SUPPORTED_10baseT_Full |
130 SUPPORTED_100baseT_Half |
131 SUPPORTED_100baseT_Full |
132 SUPPORTED_1000baseT_Full |
133 SUPPORTED_Autoneg |
134 SUPPORTED_TP);
135 if (hw->phy.type == e1000_phy_ife)
136 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
137 ecmd->advertising = ADVERTISED_TP;
138
139 if (hw->mac.autoneg == 1) {
140 ecmd->advertising |= ADVERTISED_Autoneg;
141 /* the e1000 autoneg seems to match ethtool nicely */
142 ecmd->advertising |= hw->phy.autoneg_advertised;
143 }
144
145 ecmd->port = PORT_TP;
146 ecmd->phy_address = hw->phy.addr;
147 ecmd->transceiver = XCVR_INTERNAL;
148
149 } else {
150 ecmd->supported = (SUPPORTED_1000baseT_Full |
151 SUPPORTED_FIBRE |
152 SUPPORTED_Autoneg);
153
154 ecmd->advertising = (ADVERTISED_1000baseT_Full |
155 ADVERTISED_FIBRE |
156 ADVERTISED_Autoneg);
157
158 ecmd->port = PORT_FIBRE;
159 ecmd->transceiver = XCVR_EXTERNAL;
160 }
161
0c6bdb30
BA		 162 ecmd->speed = -1;
163 ecmd->duplex = -1;
164
165 if (netif_running(netdev)) {
166 if (netif_carrier_ok(netdev)) {
167 ecmd->speed = adapter->link_speed;
168 ecmd->duplex = adapter->link_duplex - 1;
169 }
bc7f75fa 170 } else {
0c6bdb30
BA		 171 u32 status = er32(STATUS);
172 if (status & E1000_STATUS_LU) {
173 if (status & E1000_STATUS_SPEED_1000)
174 ecmd->speed = 1000;
175 else if (status & E1000_STATUS_SPEED_100)
176 ecmd->speed = 100;
177 else
178 ecmd->speed = 10;
179
180 if (status & E1000_STATUS_FD)
181 ecmd->duplex = DUPLEX_FULL;
182 else
183 ecmd->duplex = DUPLEX_HALF;
184 }
bc7f75fa
AK		 185 }
186
318a94d6 187 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 188 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 189
190 /* MDI-X => 2; MDI =>1; Invalid =>0 */
191 if ((hw->phy.media_type == e1000_media_type_copper) &&
0c6bdb30 192 netif_carrier_ok(netdev))
18760f1e
CL		 193 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
194 ETH_TP_MDI;
195 else
196 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
197
bc7f75fa
AK		 198 return 0;
199}
200
201static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
202{
203 struct e1000_mac_info *mac = &adapter->hw.mac;
204
205 mac->autoneg = 0;
206
207 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 208 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
bc7f75fa 209 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
44defeb3 210 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 211 return -EINVAL;
212 }
213
214 switch (spddplx) {
215 case SPEED_10 + DUPLEX_HALF:
216 mac->forced_speed_duplex = ADVERTISE_10_HALF;
217 break;
218 case SPEED_10 + DUPLEX_FULL:
219 mac->forced_speed_duplex = ADVERTISE_10_FULL;
220 break;
221 case SPEED_100 + DUPLEX_HALF:
222 mac->forced_speed_duplex = ADVERTISE_100_HALF;
223 break;
224 case SPEED_100 + DUPLEX_FULL:
225 mac->forced_speed_duplex = ADVERTISE_100_FULL;
226 break;
227 case SPEED_1000 + DUPLEX_FULL:
228 mac->autoneg = 1;
229 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
230 break;
231 case SPEED_1000 + DUPLEX_HALF: /* not supported */
232 default:
44defeb3 233 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 234 return -EINVAL;
235 }
236 return 0;
237}
238
239static int e1000_set_settings(struct net_device *netdev,
240 struct ethtool_cmd *ecmd)
241{
242 struct e1000_adapter *adapter = netdev_priv(netdev);
243 struct e1000_hw *hw = &adapter->hw;
244
ad68076e
BA		 245 /*
246 * When SoL/IDER sessions are active, autoneg/speed/duplex
247 * cannot be changed
248 */
bc7f75fa 249 if (e1000_check_reset_block(hw)) {
44defeb3
JK		 250 e_err("Cannot change link characteristics when SoL/IDER is "
251 "active.\n");
bc7f75fa
AK		 252 return -EINVAL;
253 }
254
255 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
256 msleep(1);
257
258 if (ecmd->autoneg == AUTONEG_ENABLE) {
259 hw->mac.autoneg = 1;
318a94d6 260 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa
AK		 261 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
262 ADVERTISED_FIBRE |
263 ADVERTISED_Autoneg;
264 else
265 hw->phy.autoneg_advertised = ecmd->advertising |
266 ADVERTISED_TP |
267 ADVERTISED_Autoneg;
268 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 269 if (adapter->fc_autoneg)
5c48ef3e 270 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 271 } else {
272 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
273 clear_bit(__E1000_RESETTING, &adapter->state);
274 return -EINVAL;
275 }
276 }
277
278 /* reset the link */
279
280 if (netif_running(adapter->netdev)) {
281 e1000e_down(adapter);
282 e1000e_up(adapter);
283 } else {
284 e1000e_reset(adapter);
285 }
286
287 clear_bit(__E1000_RESETTING, &adapter->state);
288 return 0;
289}
290
291static void e1000_get_pauseparam(struct net_device *netdev,
292 struct ethtool_pauseparam *pause)
293{
294 struct e1000_adapter *adapter = netdev_priv(netdev);
295 struct e1000_hw *hw = &adapter->hw;
296
297 pause->autoneg =
298 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
299
5c48ef3e 300 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 301 pause->rx_pause = 1;
5c48ef3e 302 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 303 pause->tx_pause = 1;
5c48ef3e 304 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 305 pause->rx_pause = 1;
306 pause->tx_pause = 1;
307 }
308}
309
310static int e1000_set_pauseparam(struct net_device *netdev,
311 struct ethtool_pauseparam *pause)
312{
313 struct e1000_adapter *adapter = netdev_priv(netdev);
314 struct e1000_hw *hw = &adapter->hw;
315 int retval = 0;
316
317 adapter->fc_autoneg = pause->autoneg;
318
319 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
320 msleep(1);
321
bc7f75fa 322 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 323 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 324 if (netif_running(adapter->netdev)) {
325 e1000e_down(adapter);
326 e1000e_up(adapter);
327 } else {
328 e1000e_reset(adapter);
329 }
330 } else {
5c48ef3e
BA		 331 if (pause->rx_pause && pause->tx_pause)
332 hw->fc.requested_mode = e1000_fc_full;
333 else if (pause->rx_pause && !pause->tx_pause)
334 hw->fc.requested_mode = e1000_fc_rx_pause;
335 else if (!pause->rx_pause && pause->tx_pause)
336 hw->fc.requested_mode = e1000_fc_tx_pause;
337 else if (!pause->rx_pause && !pause->tx_pause)
338 hw->fc.requested_mode = e1000_fc_none;
339
340 hw->fc.current_mode = hw->fc.requested_mode;
341
945eb313
BA		 342 if (hw->phy.media_type == e1000_media_type_fiber) {
343 retval = hw->mac.ops.setup_link(hw);
344 /* implicit goto out */
345 } else {
346 retval = e1000e_force_mac_fc(hw);
347 if (retval)
348 goto out;
349 e1000e_set_fc_watermarks(hw);
350 }
bc7f75fa
AK		 351 }
352
945eb313 353out:
bc7f75fa
AK		 354 clear_bit(__E1000_RESETTING, &adapter->state);
355 return retval;
356}
357
358static u32 e1000_get_rx_csum(struct net_device *netdev)
359{
360 struct e1000_adapter *adapter = netdev_priv(netdev);
807540ba 361 return adapter->flags & FLAG_RX_CSUM_ENABLED;
bc7f75fa
AK		 362}
363
364static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
365{
366 struct e1000_adapter *adapter = netdev_priv(netdev);
367
368 if (data)
369 adapter->flags |= FLAG_RX_CSUM_ENABLED;
370 else
371 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
372
373 if (netif_running(netdev))
374 e1000e_reinit_locked(adapter);
375 else
376 e1000e_reset(adapter);
377 return 0;
378}
379
380static u32 e1000_get_tx_csum(struct net_device *netdev)
381{
807540ba 382 return (netdev->features & NETIF_F_HW_CSUM) != 0;
bc7f75fa
AK		 383}
384
385static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
386{
387 if (data)
388 netdev->features |= NETIF_F_HW_CSUM;
389 else
390 netdev->features &= ~NETIF_F_HW_CSUM;
391
392 return 0;
393}
394
395static int e1000_set_tso(struct net_device *netdev, u32 data)
396{
397 struct e1000_adapter *adapter = netdev_priv(netdev);
398
399 if (data) {
400 netdev->features |= NETIF_F_TSO;
401 netdev->features |= NETIF_F_TSO6;
402 } else {
403 netdev->features &= ~NETIF_F_TSO;
404 netdev->features &= ~NETIF_F_TSO6;
405 }
406
bc7f75fa
AK		 407 adapter->flags |= FLAG_TSO_FORCE;
408 return 0;
409}
410
411static u32 e1000_get_msglevel(struct net_device *netdev)
412{
413 struct e1000_adapter *adapter = netdev_priv(netdev);
414 return adapter->msg_enable;
415}
416
417static void e1000_set_msglevel(struct net_device *netdev, u32 data)
418{
419 struct e1000_adapter *adapter = netdev_priv(netdev);
420 adapter->msg_enable = data;
421}
422
423static int e1000_get_regs_len(struct net_device *netdev)
424{
425#define E1000_REGS_LEN 32 /* overestimate */
426 return E1000_REGS_LEN * sizeof(u32);
427}
428
429static void e1000_get_regs(struct net_device *netdev,
430 struct ethtool_regs *regs, void *p)
431{
432 struct e1000_adapter *adapter = netdev_priv(netdev);
433 struct e1000_hw *hw = &adapter->hw;
434 u32 *regs_buff = p;
435 u16 phy_data;
436 u8 revision_id;
437
438 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
439
440 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
441
442 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
443
444 regs_buff[0] = er32(CTRL);
445 regs_buff[1] = er32(STATUS);
446
447 regs_buff[2] = er32(RCTL);
448 regs_buff[3] = er32(RDLEN);
449 regs_buff[4] = er32(RDH);
450 regs_buff[5] = er32(RDT);
451 regs_buff[6] = er32(RDTR);
452
453 regs_buff[7] = er32(TCTL);
454 regs_buff[8] = er32(TDLEN);
455 regs_buff[9] = er32(TDH);
456 regs_buff[10] = er32(TDT);
457 regs_buff[11] = er32(TIDV);
458
459 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 460
461 /* ethtool doesn't use anything past this point, so all this
462 * code is likely legacy junk for apps that may or may not
463 * exist */
bc7f75fa
AK		 464 if (hw->phy.type == e1000_phy_m88) {
465 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
466 regs_buff[13] = (u32)phy_data; /* cable length */
467 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
468 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
469 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
470 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
471 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
472 regs_buff[18] = regs_buff[13]; /* cable polarity */
473 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
474 regs_buff[20] = regs_buff[17]; /* polarity correction */
475 /* phy receive errors */
476 regs_buff[22] = adapter->phy_stats.receive_errors;
477 regs_buff[23] = regs_buff[13]; /* mdix mode */
478 }
23033fad 479 regs_buff[21] = 0; /* was idle_errors */
bc7f75fa
AK		 480 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
481 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
482 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
483}
484
485static int e1000_get_eeprom_len(struct net_device *netdev)
486{
487 struct e1000_adapter *adapter = netdev_priv(netdev);
488 return adapter->hw.nvm.word_size * 2;
489}
490
491static int e1000_get_eeprom(struct net_device *netdev,
492 struct ethtool_eeprom *eeprom, u8 *bytes)
493{
494 struct e1000_adapter *adapter = netdev_priv(netdev);
495 struct e1000_hw *hw = &adapter->hw;
496 u16 *eeprom_buff;
497 int first_word;
498 int last_word;
499 int ret_val = 0;
500 u16 i;
501
502 if (eeprom->len == 0)
503 return -EINVAL;
504
505 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
506
507 first_word = eeprom->offset >> 1;
508 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
509
510 eeprom_buff = kmalloc(sizeof(u16) *
511 (last_word - first_word + 1), GFP_KERNEL);
512 if (!eeprom_buff)
513 return -ENOMEM;
514
515 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
516 ret_val = e1000_read_nvm(hw, first_word,
517 last_word - first_word + 1,
518 eeprom_buff);
519 } else {
520 for (i = 0; i < last_word - first_word + 1; i++) {
521 ret_val = e1000_read_nvm(hw, first_word + i, 1,
522 &eeprom_buff[i]);
e243455d 523 if (ret_val)
bc7f75fa
AK		 524 break;
525 }
526 }
527
e243455d
BA		 528 if (ret_val) {
529 /* a read error occurred, throw away the result */
8528b016
RK		 530 memset(eeprom_buff, 0xff, sizeof(u16) *
531 (last_word - first_word + 1));
e243455d
BA		 532 } else {
533 /* Device's eeprom is always little-endian, word addressable */
534 for (i = 0; i < last_word - first_word + 1; i++)
535 le16_to_cpus(&eeprom_buff[i]);
536 }
bc7f75fa
AK		 537
538 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
539 kfree(eeprom_buff);
540
541 return ret_val;
542}
543
544static int e1000_set_eeprom(struct net_device *netdev,
545 struct ethtool_eeprom *eeprom, u8 *bytes)
546{
547 struct e1000_adapter *adapter = netdev_priv(netdev);
548 struct e1000_hw *hw = &adapter->hw;
549 u16 *eeprom_buff;
550 void *ptr;
551 int max_len;
552 int first_word;
553 int last_word;
554 int ret_val = 0;
555 u16 i;
556
557 if (eeprom->len == 0)
558 return -EOPNOTSUPP;
559
560 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
561 return -EFAULT;
562
4a770358
BA		 563 if (adapter->flags & FLAG_READ_ONLY_NVM)
564 return -EINVAL;
565
bc7f75fa
AK		 566 max_len = hw->nvm.word_size * 2;
567
568 first_word = eeprom->offset >> 1;
569 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
570 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
571 if (!eeprom_buff)
572 return -ENOMEM;
573
574 ptr = (void *)eeprom_buff;
575
576 if (eeprom->offset & 1) {
577 /* need read/modify/write of first changed EEPROM word */
578 /* only the second byte of the word is being modified */
579 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
580 ptr++;
581 }
582 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
583 /* need read/modify/write of last changed EEPROM word */
584 /* only the first byte of the word is being modified */
585 ret_val = e1000_read_nvm(hw, last_word, 1,
586 &eeprom_buff[last_word - first_word]);
587
e243455d
BA		 588 if (ret_val)
589 goto out;
590
bc7f75fa
AK		 591 /* Device's eeprom is always little-endian, word addressable */
592 for (i = 0; i < last_word - first_word + 1; i++)
593 le16_to_cpus(&eeprom_buff[i]);
594
595 memcpy(ptr, bytes, eeprom->len);
596
597 for (i = 0; i < last_word - first_word + 1; i++)
598 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
599
600 ret_val = e1000_write_nvm(hw, first_word,
601 last_word - first_word + 1, eeprom_buff);
602
e243455d
BA		 603 if (ret_val)
604 goto out;
605
ad68076e
BA		 606 /*
607 * Update the checksum over the first part of the EEPROM if needed
e243455d 608 * and flush shadow RAM for applicable controllers
ad68076e 609 */
e243455d 610 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 611 (hw->mac.type == e1000_82583) ||
612 (hw->mac.type == e1000_82574) ||
613 (hw->mac.type == e1000_82573))
e243455d 614 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 615
e243455d 616out:
bc7f75fa
AK		 617 kfree(eeprom_buff);
618 return ret_val;
619}
620
621static void e1000_get_drvinfo(struct net_device *netdev,
622 struct ethtool_drvinfo *drvinfo)
623{
624 struct e1000_adapter *adapter = netdev_priv(netdev);
625 char firmware_version[32];
bc7f75fa
AK		 626
627 strncpy(drvinfo->driver, e1000e_driver_name, 32);
628 strncpy(drvinfo->version, e1000e_driver_version, 32);
629
ad68076e
BA		 630 /*
631 * EEPROM image version # is reported as firmware version # for
632 * PCI-E controllers
633 */
bc7f75fa 634 sprintf(firmware_version, "%d.%d-%d",
84527590
BA		 635 (adapter->eeprom_vers & 0xF000) >> 12,
636 (adapter->eeprom_vers & 0x0FF0) >> 4,
637 (adapter->eeprom_vers & 0x000F));
bc7f75fa
AK		 638
639 strncpy(drvinfo->fw_version, firmware_version, 32);
640 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 641 drvinfo->regdump_len = e1000_get_regs_len(netdev);
642 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
643}
644
645static void e1000_get_ringparam(struct net_device *netdev,
646 struct ethtool_ringparam *ring)
647{
648 struct e1000_adapter *adapter = netdev_priv(netdev);
649 struct e1000_ring *tx_ring = adapter->tx_ring;
650 struct e1000_ring *rx_ring = adapter->rx_ring;
651
652 ring->rx_max_pending = E1000_MAX_RXD;
653 ring->tx_max_pending = E1000_MAX_TXD;
654 ring->rx_mini_max_pending = 0;
655 ring->rx_jumbo_max_pending = 0;
656 ring->rx_pending = rx_ring->count;
657 ring->tx_pending = tx_ring->count;
658 ring->rx_mini_pending = 0;
659 ring->rx_jumbo_pending = 0;
660}
661
662static int e1000_set_ringparam(struct net_device *netdev,
663 struct ethtool_ringparam *ring)
664{
665 struct e1000_adapter *adapter = netdev_priv(netdev);
666 struct e1000_ring *tx_ring, *tx_old;
667 struct e1000_ring *rx_ring, *rx_old;
668 int err;
669
670 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
671 return -EINVAL;
672
673 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
674 msleep(1);
675
676 if (netif_running(adapter->netdev))
677 e1000e_down(adapter);
678
679 tx_old = adapter->tx_ring;
680 rx_old = adapter->rx_ring;
681
682 err = -ENOMEM;
683 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
684 if (!tx_ring)
685 goto err_alloc_tx;
cef8c793
BA		 686 /*
687 * use a memcpy to save any previously configured
688 * items like napi structs from having to be
689 * reinitialized
690 */
691 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 692
693 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
694 if (!rx_ring)
695 goto err_alloc_rx;
cef8c793 696 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 697
698 adapter->tx_ring = tx_ring;
699 adapter->rx_ring = rx_ring;
700
701 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
702 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
703 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
704
705 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
706 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
707 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
708
709 if (netif_running(adapter->netdev)) {
710 /* Try to get new resources before deleting old */
711 err = e1000e_setup_rx_resources(adapter);
712 if (err)
713 goto err_setup_rx;
714 err = e1000e_setup_tx_resources(adapter);
715 if (err)
716 goto err_setup_tx;
717
ad68076e
BA		 718 /*
719 * restore the old in order to free it,
720 * then add in the new
721 */
bc7f75fa
AK		 722 adapter->rx_ring = rx_old;
723 adapter->tx_ring = tx_old;
724 e1000e_free_rx_resources(adapter);
725 e1000e_free_tx_resources(adapter);
726 kfree(tx_old);
727 kfree(rx_old);
728 adapter->rx_ring = rx_ring;
729 adapter->tx_ring = tx_ring;
730 err = e1000e_up(adapter);
731 if (err)
732 goto err_setup;
733 }
734
735 clear_bit(__E1000_RESETTING, &adapter->state);
736 return 0;
737err_setup_tx:
738 e1000e_free_rx_resources(adapter);
739err_setup_rx:
740 adapter->rx_ring = rx_old;
741 adapter->tx_ring = tx_old;
742 kfree(rx_ring);
743err_alloc_rx:
744 kfree(tx_ring);
745err_alloc_tx:
746 e1000e_up(adapter);
747err_setup:
748 clear_bit(__E1000_RESETTING, &adapter->state);
749 return err;
750}
751
cef8c793
BA		 752static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
753 int reg, int offset, u32 mask, u32 write)
2a887191 754{
cef8c793 755 u32 pat, val;
2a887191
JP		 756 static const u32 test[] =
757 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 758 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 759 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 760 (test[pat] & write));
761 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
762 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 763 e_err("pattern test reg %04X failed: got 0x%08X "
764 "expected 0x%08X\n", reg + offset, val,
765 (test[pat] & write & mask));
2a887191 766 *data = reg;
cef8c793 767 return 1;
2a887191
JP		 768 }
769 }
cef8c793 770 return 0;
bc7f75fa
AK		 771}
772
2a887191
JP		 773static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
774 int reg, u32 mask, u32 write)
775{
cef8c793 776 u32 val;
2a887191 777 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 778 val = __er32(&adapter->hw, reg);
779 if ((write & mask) != (val & mask)) {
44defeb3
JK		 780 e_err("set/check reg %04X test failed: got 0x%08X "
781 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 782 *data = reg;
cef8c793 783 return 1;
2a887191 784 }
cef8c793 785 return 0;
bc7f75fa 786}
cef8c793
BA		 787#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
788 do { \
789 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
790 return 1; \
2a887191 791 } while (0)
cef8c793
BA		 792#define REG_PATTERN_TEST(reg, mask, write) \
793 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 794
cef8c793
BA		 795#define REG_SET_AND_CHECK(reg, mask, write) \
796 do { \
797 if (reg_set_and_check(adapter, data, reg, mask, write)) \
798 return 1; \
2a887191
JP		 799 } while (0)
800
bc7f75fa
AK		 801static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
802{
803 struct e1000_hw *hw = &adapter->hw;
804 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 805 u32 value;
806 u32 before;
807 u32 after;
808 u32 i;
809 u32 toggle;
a4f58f54 810 u32 mask;
bc7f75fa 811
ad68076e
BA		 812 /*
813 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 814 * Some bits that get toggled are ignored.
815 */
816 switch (mac->type) {
817 /* there are several bits on newer hardware that are r/w */
818 case e1000_82571:
819 case e1000_82572:
820 case e1000_80003es2lan:
821 toggle = 0x7FFFF3FF;
822 break;
a4f58f54 823 default:
bc7f75fa
AK		 824 toggle = 0x7FFFF033;
825 break;
bc7f75fa
AK		 826 }
827
828 before = er32(STATUS);
829 value = (er32(STATUS) & toggle);
830 ew32(STATUS, toggle);
831 after = er32(STATUS) & toggle;
832 if (value != after) {
44defeb3
JK		 833 e_err("failed STATUS register test got: 0x%08X expected: "
834 "0x%08X\n", after, value);
bc7f75fa
AK		 835 *data = 1;
836 return 1;
837 }
838 /* restore previous status */
839 ew32(STATUS, before);
840
97ac8cae 841 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 842 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
843 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
846 }
847
848 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
849 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
850 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
851 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
852 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
853 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
854 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
855 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
856 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
857 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
858
859 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
860
97ac8cae 861 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 862 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
863 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
864
8658251d
AK		 865 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
866 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 867 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 868 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
869 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
870 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 871 mask = 0x8003FFFF;
872 switch (mac->type) {
873 case e1000_ich10lan:
874 case e1000_pchlan:
d3738bb8 875 case e1000_pch2lan:
a4f58f54
BA		 876 mask |= (1 << 18);
877 break;
878 default:
879 break;
880 }
8658251d
AK		 881 for (i = 0; i < mac->rar_entry_count; i++)
882 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
a4f58f54 883 mask, 0xFFFFFFFF);
bc7f75fa
AK		 884
885 for (i = 0; i < mac->mta_reg_count; i++)
886 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
887
888 *data = 0;
889 return 0;
890}
891
892static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
893{
894 u16 temp;
895 u16 checksum = 0;
896 u16 i;
897
898 *data = 0;
899 /* Read and add up the contents of the EEPROM */
900 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
901 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
902 *data = 1;
e243455d 903 return *data;
bc7f75fa
AK		 904 }
905 checksum += temp;
906 }
907
908 /* If Checksum is not Correct return error else test passed */
909 if ((checksum != (u16) NVM_SUM) && !(*data))
910 *data = 2;
911
912 return *data;
913}
914
915static irqreturn_t e1000_test_intr(int irq, void *data)
916{
917 struct net_device *netdev = (struct net_device *) data;
918 struct e1000_adapter *adapter = netdev_priv(netdev);
919 struct e1000_hw *hw = &adapter->hw;
920
921 adapter->test_icr |= er32(ICR);
922
923 return IRQ_HANDLED;
924}
925
926static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
927{
928 struct net_device *netdev = adapter->netdev;
929 struct e1000_hw *hw = &adapter->hw;
930 u32 mask;
931 u32 shared_int = 1;
932 u32 irq = adapter->pdev->irq;
933 int i;
4662e82b
BA		 934 int ret_val = 0;
935 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 936
937 *data = 0;
938
4662e82b
BA		 939 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
940 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
941 int_mode = adapter->int_mode;
942 e1000e_reset_interrupt_capability(adapter);
943 adapter->int_mode = E1000E_INT_MODE_LEGACY;
944 e1000e_set_interrupt_capability(adapter);
945 }
bc7f75fa 946 /* Hook up test interrupt handler just for this test */
a0607fd3 947 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 948 netdev)) {
949 shared_int = 0;
a0607fd3 950 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
bc7f75fa
AK		 951 netdev->name, netdev)) {
952 *data = 1;
4662e82b
BA		 953 ret_val = -1;
954 goto out;
bc7f75fa 955 }
44defeb3 956 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 957
958 /* Disable all the interrupts */
959 ew32(IMC, 0xFFFFFFFF);
960 msleep(10);
961
962 /* Test each interrupt */
963 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 964 /* Interrupt to test */
965 mask = 1 << i;
966
f4187b56
BA		 967 if (adapter->flags & FLAG_IS_ICH) {
968 switch (mask) {
969 case E1000_ICR_RXSEQ:
970 continue;
971 case 0x00000100:
972 if (adapter->hw.mac.type == e1000_ich8lan ||
973 adapter->hw.mac.type == e1000_ich9lan)
974 continue;
975 break;
976 default:
977 break;
978 }
979 }
980
bc7f75fa 981 if (!shared_int) {
ad68076e
BA		 982 /*
983 * Disable the interrupt to be reported in
bc7f75fa
AK		 984 * the cause register and then force the same
985 * interrupt and see if one gets posted. If
986 * an interrupt was posted to the bus, the
987 * test failed.
988 */
989 adapter->test_icr = 0;
990 ew32(IMC, mask);
991 ew32(ICS, mask);
992 msleep(10);
993
994 if (adapter->test_icr & mask) {
995 *data = 3;
996 break;
997 }
998 }
999
ad68076e
BA		 1000 /*
1001 * Enable the interrupt to be reported in
bc7f75fa
AK		 1002 * the cause register and then force the same
1003 * interrupt and see if one gets posted. If
1004 * an interrupt was not posted to the bus, the
1005 * test failed.
1006 */
1007 adapter->test_icr = 0;
1008 ew32(IMS, mask);
1009 ew32(ICS, mask);
1010 msleep(10);
1011
1012 if (!(adapter->test_icr & mask)) {
1013 *data = 4;
1014 break;
1015 }
1016
1017 if (!shared_int) {
ad68076e
BA		 1018 /*
1019 * Disable the other interrupts to be reported in
bc7f75fa
AK		 1020 * the cause register and then force the other
1021 * interrupts and see if any get posted. If
1022 * an interrupt was posted to the bus, the
1023 * test failed.
1024 */
1025 adapter->test_icr = 0;
1026 ew32(IMC, ~mask & 0x00007FFF);
1027 ew32(ICS, ~mask & 0x00007FFF);
1028 msleep(10);
1029
1030 if (adapter->test_icr) {
1031 *data = 5;
1032 break;
1033 }
1034 }
1035 }
1036
1037 /* Disable all the interrupts */
1038 ew32(IMC, 0xFFFFFFFF);
1039 msleep(10);
1040
1041 /* Unhook test interrupt handler */
1042 free_irq(irq, netdev);
1043
4662e82b
BA		 1044out:
1045 if (int_mode == E1000E_INT_MODE_MSIX) {
1046 e1000e_reset_interrupt_capability(adapter);
1047 adapter->int_mode = int_mode;
1048 e1000e_set_interrupt_capability(adapter);
1049 }
1050
1051 return ret_val;
bc7f75fa
AK		 1052}
1053
1054static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1055{
1056 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1057 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1058 struct pci_dev *pdev = adapter->pdev;
1059 int i;
1060
1061 if (tx_ring->desc && tx_ring->buffer_info) {
1062 for (i = 0; i < tx_ring->count; i++) {
1063 if (tx_ring->buffer_info[i].dma)
0be3f55f 1064 dma_unmap_single(&pdev->dev,
bc7f75fa
AK		 1065 tx_ring->buffer_info[i].dma,
1066 tx_ring->buffer_info[i].length,
0be3f55f 1067 DMA_TO_DEVICE);
bc7f75fa
AK		 1068 if (tx_ring->buffer_info[i].skb)
1069 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1070 }
1071 }
1072
1073 if (rx_ring->desc && rx_ring->buffer_info) {
1074 for (i = 0; i < rx_ring->count; i++) {
1075 if (rx_ring->buffer_info[i].dma)
0be3f55f 1076 dma_unmap_single(&pdev->dev,
bc7f75fa 1077 rx_ring->buffer_info[i].dma,
0be3f55f 1078 2048, DMA_FROM_DEVICE);
bc7f75fa
AK		 1079 if (rx_ring->buffer_info[i].skb)
1080 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1081 }
1082 }
1083
1084 if (tx_ring->desc) {
1085 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1086 tx_ring->dma);
1087 tx_ring->desc = NULL;
1088 }
1089 if (rx_ring->desc) {
1090 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1091 rx_ring->dma);
1092 rx_ring->desc = NULL;
1093 }
1094
1095 kfree(tx_ring->buffer_info);
1096 tx_ring->buffer_info = NULL;
1097 kfree(rx_ring->buffer_info);
1098 rx_ring->buffer_info = NULL;
1099}
1100
1101static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1102{
1103 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1104 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1105 struct pci_dev *pdev = adapter->pdev;
1106 struct e1000_hw *hw = &adapter->hw;
1107 u32 rctl;
bc7f75fa
AK		 1108 int i;
1109 int ret_val;
1110
1111 /* Setup Tx descriptor ring and Tx buffers */
1112
1113 if (!tx_ring->count)
1114 tx_ring->count = E1000_DEFAULT_TXD;
1115
cef8c793
BA		 1116 tx_ring->buffer_info = kcalloc(tx_ring->count,
1117 sizeof(struct e1000_buffer),
1118 GFP_KERNEL);
1119 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1120 ret_val = 1;
1121 goto err_nomem;
1122 }
bc7f75fa
AK		 1123
1124 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1125 tx_ring->size = ALIGN(tx_ring->size, 4096);
1126 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1127 &tx_ring->dma, GFP_KERNEL);
1128 if (!tx_ring->desc) {
1129 ret_val = 2;
1130 goto err_nomem;
1131 }
bc7f75fa
AK		 1132 tx_ring->next_to_use = 0;
1133 tx_ring->next_to_clean = 0;
1134
cef8c793 1135 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1136 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1137 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1138 ew32(TDH, 0);
1139 ew32(TDT, 0);
cef8c793
BA		 1140 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1141 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1142 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1143
1144 for (i = 0; i < tx_ring->count; i++) {
1145 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1146 struct sk_buff *skb;
1147 unsigned int skb_size = 1024;
1148
1149 skb = alloc_skb(skb_size, GFP_KERNEL);
1150 if (!skb) {
1151 ret_val = 3;
1152 goto err_nomem;
1153 }
1154 skb_put(skb, skb_size);
1155 tx_ring->buffer_info[i].skb = skb;
1156 tx_ring->buffer_info[i].length = skb->len;
1157 tx_ring->buffer_info[i].dma =
0be3f55f
NN		 1158 dma_map_single(&pdev->dev, skb->data, skb->len,
1159 DMA_TO_DEVICE);
1160 if (dma_mapping_error(&pdev->dev,
1161 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1162 ret_val = 4;
1163 goto err_nomem;
1164 }
cef8c793 1165 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1166 tx_desc->lower.data = cpu_to_le32(skb->len);
1167 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1168 E1000_TXD_CMD_IFCS |
cef8c793 1169 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1170 tx_desc->upper.data = 0;
1171 }
1172
1173 /* Setup Rx descriptor ring and Rx buffers */
1174
1175 if (!rx_ring->count)
1176 rx_ring->count = E1000_DEFAULT_RXD;
1177
cef8c793
BA		 1178 rx_ring->buffer_info = kcalloc(rx_ring->count,
1179 sizeof(struct e1000_buffer),
1180 GFP_KERNEL);
1181 if (!(rx_ring->buffer_info)) {
bc7f75fa
AK		 1182 ret_val = 5;
1183 goto err_nomem;
1184 }
bc7f75fa
AK		 1185
1186 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1187 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1188 &rx_ring->dma, GFP_KERNEL);
1189 if (!rx_ring->desc) {
1190 ret_val = 6;
1191 goto err_nomem;
1192 }
bc7f75fa
AK		 1193 rx_ring->next_to_use = 0;
1194 rx_ring->next_to_clean = 0;
1195
1196 rctl = er32(RCTL);
1197 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1198 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1199 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1200 ew32(RDLEN, rx_ring->size);
1201 ew32(RDH, 0);
1202 ew32(RDT, 0);
1203 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
cef8c793
BA		 1204 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1205 E1000_RCTL_SBP | E1000_RCTL_SECRC |
bc7f75fa
AK		 1206 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1207 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1208 ew32(RCTL, rctl);
1209
1210 for (i = 0; i < rx_ring->count; i++) {
1211 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1212 struct sk_buff *skb;
1213
1214 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1215 if (!skb) {
1216 ret_val = 7;
1217 goto err_nomem;
1218 }
1219 skb_reserve(skb, NET_IP_ALIGN);
1220 rx_ring->buffer_info[i].skb = skb;
1221 rx_ring->buffer_info[i].dma =
0be3f55f
NN		 1222 dma_map_single(&pdev->dev, skb->data, 2048,
1223 DMA_FROM_DEVICE);
1224 if (dma_mapping_error(&pdev->dev,
1225 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1226 ret_val = 8;
1227 goto err_nomem;
1228 }
1229 rx_desc->buffer_addr =
1230 cpu_to_le64(rx_ring->buffer_info[i].dma);
1231 memset(skb->data, 0x00, skb->len);
1232 }
1233
1234 return 0;
1235
1236err_nomem:
1237 e1000_free_desc_rings(adapter);
1238 return ret_val;
1239}
1240
1241static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1242{
1243 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1244 e1e_wphy(&adapter->hw, 29, 0x001F);
1245 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1246 e1e_wphy(&adapter->hw, 29, 0x001A);
1247 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1248}
1249
1250static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1251{
1252 struct e1000_hw *hw = &adapter->hw;
1253 u32 ctrl_reg = 0;
1254 u32 stat_reg = 0;
97ac8cae 1255 u16 phy_reg = 0;
cbd006cb 1256 s32 ret_val = 0;
bc7f75fa 1257
318a94d6 1258 hw->mac.autoneg = 0;
bc7f75fa 1259
3af50481 1260 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa
AK		 1261 /* force 100, set loopback */
1262 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1263
1264 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1265 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1266 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1267 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1268 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1269 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1270 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1271
1272 ew32(CTRL, ctrl_reg);
1273 udelay(500);
1274
1275 return 0;
1276 }
1277
1278 /* Specific PHY configuration for loopback */
1279 switch (hw->phy.type) {
1280 case e1000_phy_m88:
1281 /* Auto-MDI/MDIX Off */
1282 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1283 /* reset to update Auto-MDI/MDIX */
1284 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1285 /* autoneg off */
1286 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1287 break;
1288 case e1000_phy_gg82563:
1289 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1290 break;
97ac8cae
BA		 1291 case e1000_phy_bm:
1292 /* Set Default MAC Interface speed to 1GB */
1293 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1294 phy_reg &= ~0x0007;
1295 phy_reg |= 0x006;
1296 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1297 /* Assert SW reset for above settings to take effect */
1298 e1000e_commit_phy(hw);
1299 mdelay(1);
1300 /* Force Full Duplex */
1301 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1302 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1303 /* Set Link Up (in force link) */
1304 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1305 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1306 /* Force Link */
1307 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1308 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1309 /* Set Early Link Enable */
1310 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1311 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1312 break;
1313 case e1000_phy_82577:
1314 case e1000_phy_82578:
1315 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1316 ret_val = hw->phy.ops.acquire(hw);
1317 if (ret_val) {
1318 e_err("Cannot setup 1Gbps loopback.\n");
1319 return ret_val;
1320 }
3af50481 1321 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1322 hw->phy.ops.release(hw);
3af50481 1323 break;
d3738bb8
BA		 1324 case e1000_phy_82579:
1325 /* Disable PHY energy detect power down */
1326 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1327 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1328 /* Disable full chip energy detect */
1329 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1330 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1331 /* Enable loopback on the PHY */
1332#define I82577_PHY_LBK_CTRL 19
1333 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1334 break;
cef8c793 1335 default:
3af50481
BA		 1336 break;
1337 }
bc7f75fa 1338
3af50481
BA		 1339 /* force 1000, set loopback */
1340 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1341 mdelay(250);
cef8c793 1342
3af50481
BA		 1343 /* Now set up the MAC to the same speed/duplex as the PHY. */
1344 ctrl_reg = er32(CTRL);
1345 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1346 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1347 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1348 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1349 E1000_CTRL_FD); /* Force Duplex to FULL */
1350
1351 if (adapter->flags & FLAG_IS_ICH)
1352 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1353
318a94d6
JK		 1354 if (hw->phy.media_type == e1000_media_type_copper &&
1355 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1356 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1357 } else {
ad68076e
BA		 1358 /*
1359 * Set the ILOS bit on the fiber Nic if half duplex link is
1360 * detected.
1361 */
bc7f75fa
AK		 1362 stat_reg = er32(STATUS);
1363 if ((stat_reg & E1000_STATUS_FD) == 0)
1364 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1365 }
1366
1367 ew32(CTRL, ctrl_reg);
1368
ad68076e
BA		 1369 /*
1370 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1371 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1372 */
318a94d6 1373 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1374 e1000_phy_disable_receiver(adapter);
1375
1376 udelay(500);
1377
1378 return 0;
1379}
1380
1381static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1382{
1383 struct e1000_hw *hw = &adapter->hw;
1384 u32 ctrl = er32(CTRL);
1385 int link = 0;
1386
1387 /* special requirements for 82571/82572 fiber adapters */
1388
ad68076e
BA		 1389 /*
1390 * jump through hoops to make sure link is up because serdes
1391 * link is hardwired up
1392 */
bc7f75fa
AK		 1393 ctrl |= E1000_CTRL_SLU;
1394 ew32(CTRL, ctrl);
1395
1396 /* disable autoneg */
1397 ctrl = er32(TXCW);
1398 ctrl &= ~(1 << 31);
1399 ew32(TXCW, ctrl);
1400
1401 link = (er32(STATUS) & E1000_STATUS_LU);
1402
1403 if (!link) {
1404 /* set invert loss of signal */
1405 ctrl = er32(CTRL);
1406 ctrl |= E1000_CTRL_ILOS;
1407 ew32(CTRL, ctrl);
1408 }
1409
ad68076e
BA		 1410 /*
1411 * special write to serdes control register to enable SerDes analog
1412 * loopback
1413 */
bc7f75fa
AK		 1414#define E1000_SERDES_LB_ON 0x410
1415 ew32(SCTL, E1000_SERDES_LB_ON);
1416 msleep(10);
1417
1418 return 0;
1419}
1420
1421/* only call this for fiber/serdes connections to es2lan */
1422static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1423{
1424 struct e1000_hw *hw = &adapter->hw;
1425 u32 ctrlext = er32(CTRL_EXT);
1426 u32 ctrl = er32(CTRL);
1427
ad68076e
BA		 1428 /*
1429 * save CTRL_EXT to restore later, reuse an empty variable (unused
1430 * on mac_type 80003es2lan)
1431 */
bc7f75fa
AK		 1432 adapter->tx_fifo_head = ctrlext;
1433
1434 /* clear the serdes mode bits, putting the device into mac loopback */
1435 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1436 ew32(CTRL_EXT, ctrlext);
1437
1438 /* force speed to 1000/FD, link up */
1439 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1440 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1441 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1442 ew32(CTRL, ctrl);
1443
1444 /* set mac loopback */
1445 ctrl = er32(RCTL);
1446 ctrl |= E1000_RCTL_LBM_MAC;
1447 ew32(RCTL, ctrl);
1448
1449 /* set testing mode parameters (no need to reset later) */
1450#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1451#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1452 ew32(KMRNCTRLSTA,
cef8c793 1453 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1454
1455 return 0;
1456}
1457
1458static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1459{
1460 struct e1000_hw *hw = &adapter->hw;
1461 u32 rctl;
1462
318a94d6
JK		 1463 if (hw->phy.media_type == e1000_media_type_fiber ||
1464 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1465 switch (hw->mac.type) {
1466 case e1000_80003es2lan:
1467 return e1000_set_es2lan_mac_loopback(adapter);
1468 break;
1469 case e1000_82571:
1470 case e1000_82572:
1471 return e1000_set_82571_fiber_loopback(adapter);
1472 break;
1473 default:
1474 rctl = er32(RCTL);
1475 rctl |= E1000_RCTL_LBM_TCVR;
1476 ew32(RCTL, rctl);
1477 return 0;
1478 }
318a94d6 1479 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1480 return e1000_integrated_phy_loopback(adapter);
1481 }
1482
1483 return 7;
1484}
1485
1486static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1487{
1488 struct e1000_hw *hw = &adapter->hw;
1489 u32 rctl;
1490 u16 phy_reg;
1491
1492 rctl = er32(RCTL);
1493 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1494 ew32(RCTL, rctl);
1495
1496 switch (hw->mac.type) {
1497 case e1000_80003es2lan:
318a94d6
JK		 1498 if (hw->phy.media_type == e1000_media_type_fiber ||
1499 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1500 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1501 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1502 adapter->tx_fifo_head = 0;
1503 }
1504 /* fall through */
1505 case e1000_82571:
1506 case e1000_82572:
318a94d6
JK		 1507 if (hw->phy.media_type == e1000_media_type_fiber ||
1508 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1509#define E1000_SERDES_LB_OFF 0x400
1510 ew32(SCTL, E1000_SERDES_LB_OFF);
1511 msleep(10);
1512 break;
1513 }
1514 /* Fall Through */
1515 default:
1516 hw->mac.autoneg = 1;
1517 if (hw->phy.type == e1000_phy_gg82563)
1518 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1519 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1520 if (phy_reg & MII_CR_LOOPBACK) {
1521 phy_reg &= ~MII_CR_LOOPBACK;
1522 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1523 e1000e_commit_phy(hw);
1524 }
1525 break;
1526 }
1527}
1528
1529static void e1000_create_lbtest_frame(struct sk_buff *skb,
1530 unsigned int frame_size)
1531{
1532 memset(skb->data, 0xFF, frame_size);
1533 frame_size &= ~1;
1534 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1535 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1536 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1537}
1538
1539static int e1000_check_lbtest_frame(struct sk_buff *skb,
1540 unsigned int frame_size)
1541{
1542 frame_size &= ~1;
1543 if (*(skb->data + 3) == 0xFF)
1544 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1545 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1546 return 0;
1547 return 13;
1548}
1549
1550static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1551{
1552 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1553 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1554 struct pci_dev *pdev = adapter->pdev;
1555 struct e1000_hw *hw = &adapter->hw;
1556 int i, j, k, l;
1557 int lc;
1558 int good_cnt;
1559 int ret_val = 0;
1560 unsigned long time;
1561
1562 ew32(RDT, rx_ring->count - 1);
1563
ad68076e
BA		 1564 /*
1565 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1566 * The idea is to wrap the largest ring a number of times using 64
1567 * send/receive pairs during each loop
1568 */
1569
1570 if (rx_ring->count <= tx_ring->count)
1571 lc = ((tx_ring->count / 64) * 2) + 1;
1572 else
1573 lc = ((rx_ring->count / 64) * 2) + 1;
1574
1575 k = 0;
1576 l = 0;
1577 for (j = 0; j <= lc; j++) { /* loop count loop */
1578 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1579 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1580 1024);
0be3f55f 1581 dma_sync_single_for_device(&pdev->dev,
bc7f75fa
AK		 1582 tx_ring->buffer_info[k].dma,
1583 tx_ring->buffer_info[k].length,
0be3f55f 1584 DMA_TO_DEVICE);
bc7f75fa
AK		 1585 k++;
1586 if (k == tx_ring->count)
1587 k = 0;
1588 }
1589 ew32(TDT, k);
1590 msleep(200);
1591 time = jiffies; /* set the start time for the receive */
1592 good_cnt = 0;
1593 do { /* receive the sent packets */
0be3f55f 1594 dma_sync_single_for_cpu(&pdev->dev,
bc7f75fa 1595 rx_ring->buffer_info[l].dma, 2048,
0be3f55f 1596 DMA_FROM_DEVICE);
bc7f75fa
AK		 1597
1598 ret_val = e1000_check_lbtest_frame(
1599 rx_ring->buffer_info[l].skb, 1024);
1600 if (!ret_val)
1601 good_cnt++;
1602 l++;
1603 if (l == rx_ring->count)
1604 l = 0;
ad68076e
BA		 1605 /*
1606 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1607 * enough time to complete the receives, if it's
1608 * exceeded, break and error off
1609 */
1610 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1611 if (good_cnt != 64) {
1612 ret_val = 13; /* ret_val is the same as mis-compare */
1613 break;
1614 }
cef8c793 1615 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1616 ret_val = 14; /* error code for time out error */
1617 break;
1618 }
1619 } /* end loop count loop */
1620 return ret_val;
1621}
1622
1623static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1624{
ad68076e
BA		 1625 /*
1626 * PHY loopback cannot be performed if SoL/IDER
1627 * sessions are active
1628 */
bc7f75fa 1629 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1630 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1631 *data = 0;
1632 goto out;
1633 }
1634
1635 *data = e1000_setup_desc_rings(adapter);
e265522c 1636 if (*data)
bc7f75fa
AK		 1637 goto out;
1638
1639 *data = e1000_setup_loopback_test(adapter);
e265522c 1640 if (*data)
bc7f75fa
AK		 1641 goto err_loopback;
1642
1643 *data = e1000_run_loopback_test(adapter);
1644 e1000_loopback_cleanup(adapter);
1645
1646err_loopback:
1647 e1000_free_desc_rings(adapter);
1648out:
1649 return *data;
1650}
1651
1652static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1653{
1654 struct e1000_hw *hw = &adapter->hw;
1655
1656 *data = 0;
318a94d6 1657 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1658 int i = 0;
612e244c 1659 hw->mac.serdes_has_link = false;
bc7f75fa 1660
ad68076e
BA		 1661 /*
1662 * On some blade server designs, link establishment
1663 * could take as long as 2-3 minutes
1664 */
bc7f75fa
AK		 1665 do {
1666 hw->mac.ops.check_for_link(hw);
1667 if (hw->mac.serdes_has_link)
1668 return *data;
1669 msleep(20);
1670 } while (i++ < 3750);
1671
1672 *data = 1;
1673 } else {
1674 hw->mac.ops.check_for_link(hw);
1675 if (hw->mac.autoneg)
1676 msleep(4000);
1677
1678 if (!(er32(STATUS) &
1679 E1000_STATUS_LU))
1680 *data = 1;
1681 }
1682 return *data;
1683}
1684
b9f2c044 1685static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1686{
b9f2c044
JG		 1687 switch (sset) {
1688 case ETH_SS_TEST:
1689 return E1000_TEST_LEN;
1690 case ETH_SS_STATS:
1691 return E1000_STATS_LEN;
1692 default:
1693 return -EOPNOTSUPP;
1694 }
bc7f75fa
AK		 1695}
1696
1697static void e1000_diag_test(struct net_device *netdev,
1698 struct ethtool_test *eth_test, u64 *data)
1699{
1700 struct e1000_adapter *adapter = netdev_priv(netdev);
1701 u16 autoneg_advertised;
1702 u8 forced_speed_duplex;
1703 u8 autoneg;
1704 bool if_running = netif_running(netdev);
1705
1706 set_bit(__E1000_TESTING, &adapter->state);
1707 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1708 /* Offline tests */
1709
1710 /* save speed, duplex, autoneg settings */
1711 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1712 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1713 autoneg = adapter->hw.mac.autoneg;
1714
44defeb3 1715 e_info("offline testing starting\n");
bc7f75fa 1716
bc7f75fa
AK		 1717 if (if_running)
1718 /* indicate we're in test mode */
1719 dev_close(netdev);
1720 else
1721 e1000e_reset(adapter);
1722
1723 if (e1000_reg_test(adapter, &data[0]))
1724 eth_test->flags |= ETH_TEST_FL_FAILED;
1725
1726 e1000e_reset(adapter);
1727 if (e1000_eeprom_test(adapter, &data[1]))
1728 eth_test->flags |= ETH_TEST_FL_FAILED;
1729
1730 e1000e_reset(adapter);
1731 if (e1000_intr_test(adapter, &data[2]))
1732 eth_test->flags |= ETH_TEST_FL_FAILED;
1733
1734 e1000e_reset(adapter);
1735 /* make sure the phy is powered up */
1736 e1000e_power_up_phy(adapter);
1737 if (e1000_loopback_test(adapter, &data[3]))
1738 eth_test->flags |= ETH_TEST_FL_FAILED;
1739
c6ce3854
CW		 1740 /* force this routine to wait until autoneg complete/timeout */
1741 adapter->hw.phy.autoneg_wait_to_complete = 1;
1742 e1000e_reset(adapter);
1743 adapter->hw.phy.autoneg_wait_to_complete = 0;
1744
1745 if (e1000_link_test(adapter, &data[4]))
1746 eth_test->flags |= ETH_TEST_FL_FAILED;
1747
bc7f75fa
AK		 1748 /* restore speed, duplex, autoneg settings */
1749 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1750 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1751 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1752 e1000e_reset(adapter);
bc7f75fa
AK		 1753
1754 clear_bit(__E1000_TESTING, &adapter->state);
1755 if (if_running)
1756 dev_open(netdev);
1757 } else {
11b08be8
BA		 1758 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) {
1759 clear_bit(__E1000_TESTING, &adapter->state);
1760 dev_open(netdev);
1761 set_bit(__E1000_TESTING, &adapter->state);
1762 }
1763
44defeb3 1764 e_info("online testing starting\n");
bc7f75fa
AK		 1765 /* Online tests */
1766 if (e1000_link_test(adapter, &data[4]))
1767 eth_test->flags |= ETH_TEST_FL_FAILED;
1768
1769 /* Online tests aren't run; pass by default */
1770 data[0] = 0;
1771 data[1] = 0;
1772 data[2] = 0;
1773 data[3] = 0;
1774
11b08be8
BA		 1775 if (!if_running && (adapter->flags & FLAG_HAS_AMT))
1776 dev_close(netdev);
1777
bc7f75fa
AK		 1778 clear_bit(__E1000_TESTING, &adapter->state);
1779 }
1780 msleep_interruptible(4 * 1000);
1781}
1782
1783static void e1000_get_wol(struct net_device *netdev,
1784 struct ethtool_wolinfo *wol)
1785{
1786 struct e1000_adapter *adapter = netdev_priv(netdev);
1787
1788 wol->supported = 0;
1789 wol->wolopts = 0;
1790
6ff68026
RW		 1791 if (!(adapter->flags & FLAG_HAS_WOL) ||
1792 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1793 return;
1794
1795 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1796 WAKE_BCAST | WAKE_MAGIC |
1797 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1798
1799 /* apply any specific unsupported masks here */
1800 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1801 wol->supported &= ~WAKE_UCAST;
1802
1803 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1804 e_err("Interface does not support directed (unicast) "
1805 "frame wake-up packets\n");
bc7f75fa
AK		 1806 }
1807
1808 if (adapter->wol & E1000_WUFC_EX)
1809 wol->wolopts |= WAKE_UCAST;
1810 if (adapter->wol & E1000_WUFC_MC)
1811 wol->wolopts |= WAKE_MCAST;
1812 if (adapter->wol & E1000_WUFC_BC)
1813 wol->wolopts |= WAKE_BCAST;
1814 if (adapter->wol & E1000_WUFC_MAG)
1815 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1816 if (adapter->wol & E1000_WUFC_LNKC)
1817 wol->wolopts |= WAKE_PHY;
1818 if (adapter->wol & E1000_WUFC_ARP)
1819 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1820}
1821
1822static int e1000_set_wol(struct net_device *netdev,
1823 struct ethtool_wolinfo *wol)
1824{
1825 struct e1000_adapter *adapter = netdev_priv(netdev);
1826
6ff68026 1827 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1828 !device_can_wakeup(&adapter->pdev->dev) ||
1829 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1830 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1831 return -EOPNOTSUPP;
bc7f75fa
AK		 1832
1833 /* these settings will always override what we currently have */
1834 adapter->wol = 0;
1835
1836 if (wol->wolopts & WAKE_UCAST)
1837 adapter->wol |= E1000_WUFC_EX;
1838 if (wol->wolopts & WAKE_MCAST)
1839 adapter->wol |= E1000_WUFC_MC;
1840 if (wol->wolopts & WAKE_BCAST)
1841 adapter->wol |= E1000_WUFC_BC;
1842 if (wol->wolopts & WAKE_MAGIC)
1843 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1844 if (wol->wolopts & WAKE_PHY)
1845 adapter->wol |= E1000_WUFC_LNKC;
1846 if (wol->wolopts & WAKE_ARP)
1847 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa 1848
6ff68026
RW		 1849 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1850
bc7f75fa
AK		 1851 return 0;
1852}
1853
1854/* toggle LED 4 times per second = 2 "blinks" per second */
1855#define E1000_ID_INTERVAL (HZ/4)
1856
1857/* bit defines for adapter->led_status */
1858#define E1000_LED_ON 0
1859
9633e63b 1860void e1000e_led_blink_task(struct work_struct *work)
bc7f75fa 1861{
a4f58f54
BA		 1862 struct e1000_adapter *adapter = container_of(work,
1863 struct e1000_adapter, led_blink_task);
bc7f75fa
AK		 1864
1865 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1866 adapter->hw.mac.ops.led_off(&adapter->hw);
1867 else
1868 adapter->hw.mac.ops.led_on(&adapter->hw);
a4f58f54
BA		 1869}
1870
1871static void e1000_led_blink_callback(unsigned long data)
1872{
1873 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
bc7f75fa 1874
a4f58f54 1875 schedule_work(&adapter->led_blink_task);
bc7f75fa
AK		 1876 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1877}
1878
1879static int e1000_phys_id(struct net_device *netdev, u32 data)
1880{
1881 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1882 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1883
5a9147bb
SH		 1884 if (!data)
1885 data = INT_MAX;
bc7f75fa 1886
4662e82b 1887 if ((hw->phy.type == e1000_phy_ife) ||
a4f58f54 1888 (hw->mac.type == e1000_pchlan) ||
d3738bb8 1889 (hw->mac.type == e1000_pch2lan) ||
f89271dd 1890 (hw->mac.type == e1000_82583) ||
4662e82b 1891 (hw->mac.type == e1000_82574)) {
bc7f75fa
AK		 1892 if (!adapter->blink_timer.function) {
1893 init_timer(&adapter->blink_timer);
1894 adapter->blink_timer.function =
1895 e1000_led_blink_callback;
1896 adapter->blink_timer.data = (unsigned long) adapter;
1897 }
1898 mod_timer(&adapter->blink_timer, jiffies);
1899 msleep_interruptible(data * 1000);
1900 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1901 if (hw->phy.type == e1000_phy_ife)
1902 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1903 } else {
4662e82b 1904 e1000e_blink_led(hw);
bc7f75fa
AK		 1905 msleep_interruptible(data * 1000);
1906 }
1907
4662e82b 1908 hw->mac.ops.led_off(hw);
bc7f75fa 1909 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1910 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1911
1912 return 0;
1913}
1914
de5b3077
AK		 1915static int e1000_get_coalesce(struct net_device *netdev,
1916 struct ethtool_coalesce *ec)
1917{
1918 struct e1000_adapter *adapter = netdev_priv(netdev);
1919
eab2abf5 1920 if (adapter->itr_setting <= 4)
de5b3077
AK		 1921 ec->rx_coalesce_usecs = adapter->itr_setting;
1922 else
1923 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1924
1925 return 0;
1926}
1927
1928static int e1000_set_coalesce(struct net_device *netdev,
1929 struct ethtool_coalesce *ec)
1930{
1931 struct e1000_adapter *adapter = netdev_priv(netdev);
1932 struct e1000_hw *hw = &adapter->hw;
1933
1934 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1935 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1936 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1937 (ec->rx_coalesce_usecs == 2))
1938 return -EINVAL;
1939
eab2abf5
JB		 1940 if (ec->rx_coalesce_usecs == 4) {
1941 adapter->itr = adapter->itr_setting = 4;
1942 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1943 adapter->itr = 20000;
1944 adapter->itr_setting = ec->rx_coalesce_usecs;
1945 } else {
1946 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1947 adapter->itr_setting = adapter->itr & ~3;
1948 }
1949
1950 if (adapter->itr_setting != 0)
1951 ew32(ITR, 1000000000 / (adapter->itr * 256));
1952 else
1953 ew32(ITR, 0);
1954
1955 return 0;
1956}
1957
bc7f75fa
AK		 1958static int e1000_nway_reset(struct net_device *netdev)
1959{
1960 struct e1000_adapter *adapter = netdev_priv(netdev);
1961 if (netif_running(netdev))
1962 e1000e_reinit_locked(adapter);
1963 return 0;
1964}
1965
bc7f75fa
AK		 1966static void e1000_get_ethtool_stats(struct net_device *netdev,
1967 struct ethtool_stats *stats,
1968 u64 *data)
1969{
1970 struct e1000_adapter *adapter = netdev_priv(netdev);
1971 int i;
e0f36a95 1972 char *p = NULL;
bc7f75fa
AK		 1973
1974 e1000e_update_stats(adapter);
1975 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1976 switch (e1000_gstrings_stats[i].type) {
1977 case NETDEV_STATS:
1978 p = (char *) netdev +
1979 e1000_gstrings_stats[i].stat_offset;
1980 break;
1981 case E1000_STATS:
1982 p = (char *) adapter +
1983 e1000_gstrings_stats[i].stat_offset;
1984 break;
61c75816
BA		 1985 default:
1986 data[i] = 0;
1987 continue;
e0f36a95
AK		 1988 }
1989
bc7f75fa
AK		 1990 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1991 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1992 }
1993}
1994
1995static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1996 u8 *data)
1997{
1998 u8 *p = data;
1999 int i;
2000
2001 switch (stringset) {
2002 case ETH_SS_TEST:
ad68076e 2003 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2004 break;
2005 case ETH_SS_STATS:
2006 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2007 memcpy(p, e1000_gstrings_stats[i].stat_string,
2008 ETH_GSTRING_LEN);
2009 p += ETH_GSTRING_LEN;
2010 }
2011 break;
2012 }
2013}
2014
2015static const struct ethtool_ops e1000_ethtool_ops = {
2016 .get_settings = e1000_get_settings,
2017 .set_settings = e1000_set_settings,
2018 .get_drvinfo = e1000_get_drvinfo,
2019 .get_regs_len = e1000_get_regs_len,
2020 .get_regs = e1000_get_regs,
2021 .get_wol = e1000_get_wol,
2022 .set_wol = e1000_set_wol,
2023 .get_msglevel = e1000_get_msglevel,
2024 .set_msglevel = e1000_set_msglevel,
2025 .nway_reset = e1000_nway_reset,
ed4ba4b5 2026 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2027 .get_eeprom_len = e1000_get_eeprom_len,
2028 .get_eeprom = e1000_get_eeprom,
2029 .set_eeprom = e1000_set_eeprom,
2030 .get_ringparam = e1000_get_ringparam,
2031 .set_ringparam = e1000_set_ringparam,
2032 .get_pauseparam = e1000_get_pauseparam,
2033 .set_pauseparam = e1000_set_pauseparam,
2034 .get_rx_csum = e1000_get_rx_csum,
2035 .set_rx_csum = e1000_set_rx_csum,
2036 .get_tx_csum = e1000_get_tx_csum,
2037 .set_tx_csum = e1000_set_tx_csum,
2038 .get_sg = ethtool_op_get_sg,
2039 .set_sg = ethtool_op_set_sg,
2040 .get_tso = ethtool_op_get_tso,
2041 .set_tso = e1000_set_tso,
bc7f75fa
AK		 2042 .self_test = e1000_diag_test,
2043 .get_strings = e1000_get_strings,
2044 .phys_id = e1000_phys_id,
bc7f75fa 2045 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2046 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2047 .get_coalesce = e1000_get_coalesce,
2048 .set_coalesce = e1000_set_coalesce,
e7d906f7 2049 .get_flags = ethtool_op_get_flags,
bc7f75fa
AK		 2050};
2051
2052void e1000e_set_ethtool_ops(struct net_device *netdev)
2053{
2054 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2055}
Linux kernel - Deliverables
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