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Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / drivers / net / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
c7e54b1b 4 Copyright(c) 1999 - 2009 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
e0f36a95
AK		 48#define E1000_STAT(m) E1000_STATS, \
49 sizeof(((struct e1000_adapter *)0)->m), \
50 offsetof(struct e1000_adapter, m)
51#define E1000_NETDEV_STAT(m) NETDEV_STATS, \
52 sizeof(((struct net_device *)0)->m), \
53 offsetof(struct net_device, m)
54
bc7f75fa
AK		 55static const struct e1000_stats e1000_gstrings_stats[] = {
56 { "rx_packets", E1000_STAT(stats.gprc) },
57 { "tx_packets", E1000_STAT(stats.gptc) },
7c25769f
BA		 58 { "rx_bytes", E1000_STAT(stats.gorc) },
59 { "tx_bytes", E1000_STAT(stats.gotc) },
bc7f75fa
AK		 60 { "rx_broadcast", E1000_STAT(stats.bprc) },
61 { "tx_broadcast", E1000_STAT(stats.bptc) },
62 { "rx_multicast", E1000_STAT(stats.mprc) },
63 { "tx_multicast", E1000_STAT(stats.mptc) },
7274c20f
AK		 64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
bc7f75fa
AK		 67 { "multicast", E1000_STAT(stats.mprc) },
68 { "collisions", E1000_STAT(stats.colc) },
7274c20f
AK		 69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
bc7f75fa 71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
7274c20f 72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
bc7f75fa
AK		 73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
74 { "rx_missed_errors", E1000_STAT(stats.mpc) },
75 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
7274c20f
AK		 77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
bc7f75fa
AK		 79 { "tx_window_errors", E1000_STAT(stats.latecol) },
80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
81 { "tx_deferred_ok", E1000_STAT(stats.dc) },
82 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
85 { "tx_restart_queue", E1000_STAT(restart_queue) },
86 { "rx_long_length_errors", E1000_STAT(stats.roc) },
87 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
88 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
7c25769f 95 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
bc7f75fa
AK		 96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
98 { "rx_header_split", E1000_STAT(rx_hdr_split) },
99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
100 { "tx_smbus", E1000_STAT(stats.mgptc) },
101 { "rx_smbus", E1000_STAT(stats.mgprc) },
102 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
105};
106
c00acf46 107#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 108#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
109static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
110 "Register test (offline)", "Eeprom test (offline)",
111 "Interrupt test (offline)", "Loopback test (offline)",
112 "Link test (on/offline)"
113};
ad68076e 114#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 115
116static int e1000_get_settings(struct net_device *netdev,
117 struct ethtool_cmd *ecmd)
118{
119 struct e1000_adapter *adapter = netdev_priv(netdev);
120 struct e1000_hw *hw = &adapter->hw;
369d742d 121 u32 status;
bc7f75fa 122
318a94d6 123 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 124
125 ecmd->supported = (SUPPORTED_10baseT_Half |
126 SUPPORTED_10baseT_Full |
127 SUPPORTED_100baseT_Half |
128 SUPPORTED_100baseT_Full |
129 SUPPORTED_1000baseT_Full |
130 SUPPORTED_Autoneg |
131 SUPPORTED_TP);
132 if (hw->phy.type == e1000_phy_ife)
133 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
134 ecmd->advertising = ADVERTISED_TP;
135
136 if (hw->mac.autoneg == 1) {
137 ecmd->advertising |= ADVERTISED_Autoneg;
138 /* the e1000 autoneg seems to match ethtool nicely */
139 ecmd->advertising |= hw->phy.autoneg_advertised;
140 }
141
142 ecmd->port = PORT_TP;
143 ecmd->phy_address = hw->phy.addr;
144 ecmd->transceiver = XCVR_INTERNAL;
145
146 } else {
147 ecmd->supported = (SUPPORTED_1000baseT_Full |
148 SUPPORTED_FIBRE |
149 SUPPORTED_Autoneg);
150
151 ecmd->advertising = (ADVERTISED_1000baseT_Full |
152 ADVERTISED_FIBRE |
153 ADVERTISED_Autoneg);
154
155 ecmd->port = PORT_FIBRE;
156 ecmd->transceiver = XCVR_EXTERNAL;
157 }
158
369d742d
AK		 159 status = er32(STATUS);
160 if (status & E1000_STATUS_LU) {
161 if (status & E1000_STATUS_SPEED_1000)
162 ecmd->speed = 1000;
163 else if (status & E1000_STATUS_SPEED_100)
164 ecmd->speed = 100;
165 else
166 ecmd->speed = 10;
bc7f75fa 167
369d742d 168 if (status & E1000_STATUS_FD)
bc7f75fa
AK		 169 ecmd->duplex = DUPLEX_FULL;
170 else
171 ecmd->duplex = DUPLEX_HALF;
172 } else {
173 ecmd->speed = -1;
174 ecmd->duplex = -1;
175 }
176
318a94d6 177 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 178 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 179
180 /* MDI-X => 2; MDI =>1; Invalid =>0 */
181 if ((hw->phy.media_type == e1000_media_type_copper) &&
182 !hw->mac.get_link_status)
183 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
184 ETH_TP_MDI;
185 else
186 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
187
bc7f75fa
AK		 188 return 0;
189}
190
369d742d
AK		 191static u32 e1000_get_link(struct net_device *netdev)
192{
193 struct e1000_adapter *adapter = netdev_priv(netdev);
7ea9655f
BA		 194 struct e1000_mac_info *mac = &adapter->hw.mac;
195
196 /*
197 * If the link is not reported up to netdev, interrupts are disabled,
198 * and so the physical link state may have changed since we last
199 * looked. Set get_link_status to make sure that the true link
200 * state is interrogated, rather than pulling a cached and possibly
201 * stale link state from the driver.
202 */
203 if (!netif_carrier_ok(netdev))
204 mac->get_link_status = 1;
a20e4cf9 205
b405e8df 206 return e1000e_has_link(adapter);
369d742d
AK		 207}
208
bc7f75fa
AK		 209static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
210{
211 struct e1000_mac_info *mac = &adapter->hw.mac;
212
213 mac->autoneg = 0;
214
215 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 216 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
bc7f75fa 217 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
44defeb3 218 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 219 return -EINVAL;
220 }
221
222 switch (spddplx) {
223 case SPEED_10 + DUPLEX_HALF:
224 mac->forced_speed_duplex = ADVERTISE_10_HALF;
225 break;
226 case SPEED_10 + DUPLEX_FULL:
227 mac->forced_speed_duplex = ADVERTISE_10_FULL;
228 break;
229 case SPEED_100 + DUPLEX_HALF:
230 mac->forced_speed_duplex = ADVERTISE_100_HALF;
231 break;
232 case SPEED_100 + DUPLEX_FULL:
233 mac->forced_speed_duplex = ADVERTISE_100_FULL;
234 break;
235 case SPEED_1000 + DUPLEX_FULL:
236 mac->autoneg = 1;
237 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
238 break;
239 case SPEED_1000 + DUPLEX_HALF: /* not supported */
240 default:
44defeb3 241 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 242 return -EINVAL;
243 }
244 return 0;
245}
246
247static int e1000_set_settings(struct net_device *netdev,
248 struct ethtool_cmd *ecmd)
249{
250 struct e1000_adapter *adapter = netdev_priv(netdev);
251 struct e1000_hw *hw = &adapter->hw;
252
ad68076e
BA		 253 /*
254 * When SoL/IDER sessions are active, autoneg/speed/duplex
255 * cannot be changed
256 */
bc7f75fa 257 if (e1000_check_reset_block(hw)) {
44defeb3
JK		 258 e_err("Cannot change link characteristics when SoL/IDER is "
259 "active.\n");
bc7f75fa
AK		 260 return -EINVAL;
261 }
262
263 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
264 msleep(1);
265
266 if (ecmd->autoneg == AUTONEG_ENABLE) {
267 hw->mac.autoneg = 1;
318a94d6 268 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa
AK		 269 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
270 ADVERTISED_FIBRE |
271 ADVERTISED_Autoneg;
272 else
273 hw->phy.autoneg_advertised = ecmd->advertising |
274 ADVERTISED_TP |
275 ADVERTISED_Autoneg;
276 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 277 if (adapter->fc_autoneg)
5c48ef3e 278 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 279 } else {
280 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
281 clear_bit(__E1000_RESETTING, &adapter->state);
282 return -EINVAL;
283 }
284 }
285
286 /* reset the link */
287
288 if (netif_running(adapter->netdev)) {
289 e1000e_down(adapter);
290 e1000e_up(adapter);
291 } else {
292 e1000e_reset(adapter);
293 }
294
295 clear_bit(__E1000_RESETTING, &adapter->state);
296 return 0;
297}
298
299static void e1000_get_pauseparam(struct net_device *netdev,
300 struct ethtool_pauseparam *pause)
301{
302 struct e1000_adapter *adapter = netdev_priv(netdev);
303 struct e1000_hw *hw = &adapter->hw;
304
305 pause->autoneg =
306 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
307
5c48ef3e 308 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 309 pause->rx_pause = 1;
5c48ef3e 310 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 311 pause->tx_pause = 1;
5c48ef3e 312 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 313 pause->rx_pause = 1;
314 pause->tx_pause = 1;
315 }
316}
317
318static int e1000_set_pauseparam(struct net_device *netdev,
319 struct ethtool_pauseparam *pause)
320{
321 struct e1000_adapter *adapter = netdev_priv(netdev);
322 struct e1000_hw *hw = &adapter->hw;
323 int retval = 0;
324
325 adapter->fc_autoneg = pause->autoneg;
326
327 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
328 msleep(1);
329
bc7f75fa 330 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 331 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 332 if (netif_running(adapter->netdev)) {
333 e1000e_down(adapter);
334 e1000e_up(adapter);
335 } else {
336 e1000e_reset(adapter);
337 }
338 } else {
5c48ef3e
BA		 339 if (pause->rx_pause && pause->tx_pause)
340 hw->fc.requested_mode = e1000_fc_full;
341 else if (pause->rx_pause && !pause->tx_pause)
342 hw->fc.requested_mode = e1000_fc_rx_pause;
343 else if (!pause->rx_pause && pause->tx_pause)
344 hw->fc.requested_mode = e1000_fc_tx_pause;
345 else if (!pause->rx_pause && !pause->tx_pause)
346 hw->fc.requested_mode = e1000_fc_none;
347
348 hw->fc.current_mode = hw->fc.requested_mode;
349
945eb313
BA		 350 if (hw->phy.media_type == e1000_media_type_fiber) {
351 retval = hw->mac.ops.setup_link(hw);
352 /* implicit goto out */
353 } else {
354 retval = e1000e_force_mac_fc(hw);
355 if (retval)
356 goto out;
357 e1000e_set_fc_watermarks(hw);
358 }
bc7f75fa
AK		 359 }
360
945eb313 361out:
bc7f75fa
AK		 362 clear_bit(__E1000_RESETTING, &adapter->state);
363 return retval;
364}
365
366static u32 e1000_get_rx_csum(struct net_device *netdev)
367{
368 struct e1000_adapter *adapter = netdev_priv(netdev);
369 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
370}
371
372static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
373{
374 struct e1000_adapter *adapter = netdev_priv(netdev);
375
376 if (data)
377 adapter->flags |= FLAG_RX_CSUM_ENABLED;
378 else
379 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
380
381 if (netif_running(netdev))
382 e1000e_reinit_locked(adapter);
383 else
384 e1000e_reset(adapter);
385 return 0;
386}
387
388static u32 e1000_get_tx_csum(struct net_device *netdev)
389{
390 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
391}
392
393static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
394{
395 if (data)
396 netdev->features |= NETIF_F_HW_CSUM;
397 else
398 netdev->features &= ~NETIF_F_HW_CSUM;
399
400 return 0;
401}
402
403static int e1000_set_tso(struct net_device *netdev, u32 data)
404{
405 struct e1000_adapter *adapter = netdev_priv(netdev);
406
407 if (data) {
408 netdev->features |= NETIF_F_TSO;
409 netdev->features |= NETIF_F_TSO6;
410 } else {
411 netdev->features &= ~NETIF_F_TSO;
412 netdev->features &= ~NETIF_F_TSO6;
413 }
414
bc7f75fa
AK		 415 adapter->flags |= FLAG_TSO_FORCE;
416 return 0;
417}
418
419static u32 e1000_get_msglevel(struct net_device *netdev)
420{
421 struct e1000_adapter *adapter = netdev_priv(netdev);
422 return adapter->msg_enable;
423}
424
425static void e1000_set_msglevel(struct net_device *netdev, u32 data)
426{
427 struct e1000_adapter *adapter = netdev_priv(netdev);
428 adapter->msg_enable = data;
429}
430
431static int e1000_get_regs_len(struct net_device *netdev)
432{
433#define E1000_REGS_LEN 32 /* overestimate */
434 return E1000_REGS_LEN * sizeof(u32);
435}
436
437static void e1000_get_regs(struct net_device *netdev,
438 struct ethtool_regs *regs, void *p)
439{
440 struct e1000_adapter *adapter = netdev_priv(netdev);
441 struct e1000_hw *hw = &adapter->hw;
442 u32 *regs_buff = p;
443 u16 phy_data;
444 u8 revision_id;
445
446 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
447
448 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
449
450 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
451
452 regs_buff[0] = er32(CTRL);
453 regs_buff[1] = er32(STATUS);
454
455 regs_buff[2] = er32(RCTL);
456 regs_buff[3] = er32(RDLEN);
457 regs_buff[4] = er32(RDH);
458 regs_buff[5] = er32(RDT);
459 regs_buff[6] = er32(RDTR);
460
461 regs_buff[7] = er32(TCTL);
462 regs_buff[8] = er32(TDLEN);
463 regs_buff[9] = er32(TDH);
464 regs_buff[10] = er32(TDT);
465 regs_buff[11] = er32(TIDV);
466
467 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 468
469 /* ethtool doesn't use anything past this point, so all this
470 * code is likely legacy junk for apps that may or may not
471 * exist */
bc7f75fa
AK		 472 if (hw->phy.type == e1000_phy_m88) {
473 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
474 regs_buff[13] = (u32)phy_data; /* cable length */
475 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
476 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
477 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
478 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
479 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
480 regs_buff[18] = regs_buff[13]; /* cable polarity */
481 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
482 regs_buff[20] = regs_buff[17]; /* polarity correction */
483 /* phy receive errors */
484 regs_buff[22] = adapter->phy_stats.receive_errors;
485 regs_buff[23] = regs_buff[13]; /* mdix mode */
486 }
23033fad 487 regs_buff[21] = 0; /* was idle_errors */
bc7f75fa
AK		 488 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
489 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
490 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
491}
492
493static int e1000_get_eeprom_len(struct net_device *netdev)
494{
495 struct e1000_adapter *adapter = netdev_priv(netdev);
496 return adapter->hw.nvm.word_size * 2;
497}
498
499static int e1000_get_eeprom(struct net_device *netdev,
500 struct ethtool_eeprom *eeprom, u8 *bytes)
501{
502 struct e1000_adapter *adapter = netdev_priv(netdev);
503 struct e1000_hw *hw = &adapter->hw;
504 u16 *eeprom_buff;
505 int first_word;
506 int last_word;
507 int ret_val = 0;
508 u16 i;
509
510 if (eeprom->len == 0)
511 return -EINVAL;
512
513 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
514
515 first_word = eeprom->offset >> 1;
516 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
517
518 eeprom_buff = kmalloc(sizeof(u16) *
519 (last_word - first_word + 1), GFP_KERNEL);
520 if (!eeprom_buff)
521 return -ENOMEM;
522
523 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
524 ret_val = e1000_read_nvm(hw, first_word,
525 last_word - first_word + 1,
526 eeprom_buff);
527 } else {
528 for (i = 0; i < last_word - first_word + 1; i++) {
529 ret_val = e1000_read_nvm(hw, first_word + i, 1,
530 &eeprom_buff[i]);
e243455d 531 if (ret_val)
bc7f75fa
AK		 532 break;
533 }
534 }
535
e243455d
BA		 536 if (ret_val) {
537 /* a read error occurred, throw away the result */
8528b016
RK		 538 memset(eeprom_buff, 0xff, sizeof(u16) *
539 (last_word - first_word + 1));
e243455d
BA		 540 } else {
541 /* Device's eeprom is always little-endian, word addressable */
542 for (i = 0; i < last_word - first_word + 1; i++)
543 le16_to_cpus(&eeprom_buff[i]);
544 }
bc7f75fa
AK		 545
546 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
547 kfree(eeprom_buff);
548
549 return ret_val;
550}
551
552static int e1000_set_eeprom(struct net_device *netdev,
553 struct ethtool_eeprom *eeprom, u8 *bytes)
554{
555 struct e1000_adapter *adapter = netdev_priv(netdev);
556 struct e1000_hw *hw = &adapter->hw;
557 u16 *eeprom_buff;
558 void *ptr;
559 int max_len;
560 int first_word;
561 int last_word;
562 int ret_val = 0;
563 u16 i;
564
565 if (eeprom->len == 0)
566 return -EOPNOTSUPP;
567
568 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
569 return -EFAULT;
570
4a770358
BA		 571 if (adapter->flags & FLAG_READ_ONLY_NVM)
572 return -EINVAL;
573
bc7f75fa
AK		 574 max_len = hw->nvm.word_size * 2;
575
576 first_word = eeprom->offset >> 1;
577 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
578 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
579 if (!eeprom_buff)
580 return -ENOMEM;
581
582 ptr = (void *)eeprom_buff;
583
584 if (eeprom->offset & 1) {
585 /* need read/modify/write of first changed EEPROM word */
586 /* only the second byte of the word is being modified */
587 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
588 ptr++;
589 }
590 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
591 /* need read/modify/write of last changed EEPROM word */
592 /* only the first byte of the word is being modified */
593 ret_val = e1000_read_nvm(hw, last_word, 1,
594 &eeprom_buff[last_word - first_word]);
595
e243455d
BA		 596 if (ret_val)
597 goto out;
598
bc7f75fa
AK		 599 /* Device's eeprom is always little-endian, word addressable */
600 for (i = 0; i < last_word - first_word + 1; i++)
601 le16_to_cpus(&eeprom_buff[i]);
602
603 memcpy(ptr, bytes, eeprom->len);
604
605 for (i = 0; i < last_word - first_word + 1; i++)
606 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
607
608 ret_val = e1000_write_nvm(hw, first_word,
609 last_word - first_word + 1, eeprom_buff);
610
e243455d
BA		 611 if (ret_val)
612 goto out;
613
ad68076e
BA		 614 /*
615 * Update the checksum over the first part of the EEPROM if needed
e243455d 616 * and flush shadow RAM for applicable controllers
ad68076e 617 */
e243455d 618 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 619 (hw->mac.type == e1000_82583) ||
620 (hw->mac.type == e1000_82574) ||
621 (hw->mac.type == e1000_82573))
e243455d 622 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 623
e243455d 624out:
bc7f75fa
AK		 625 kfree(eeprom_buff);
626 return ret_val;
627}
628
629static void e1000_get_drvinfo(struct net_device *netdev,
630 struct ethtool_drvinfo *drvinfo)
631{
632 struct e1000_adapter *adapter = netdev_priv(netdev);
633 char firmware_version[32];
bc7f75fa
AK		 634
635 strncpy(drvinfo->driver, e1000e_driver_name, 32);
636 strncpy(drvinfo->version, e1000e_driver_version, 32);
637
ad68076e
BA		 638 /*
639 * EEPROM image version # is reported as firmware version # for
640 * PCI-E controllers
641 */
bc7f75fa 642 sprintf(firmware_version, "%d.%d-%d",
84527590
BA		 643 (adapter->eeprom_vers & 0xF000) >> 12,
644 (adapter->eeprom_vers & 0x0FF0) >> 4,
645 (adapter->eeprom_vers & 0x000F));
bc7f75fa
AK		 646
647 strncpy(drvinfo->fw_version, firmware_version, 32);
648 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 649 drvinfo->regdump_len = e1000_get_regs_len(netdev);
650 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
651}
652
653static void e1000_get_ringparam(struct net_device *netdev,
654 struct ethtool_ringparam *ring)
655{
656 struct e1000_adapter *adapter = netdev_priv(netdev);
657 struct e1000_ring *tx_ring = adapter->tx_ring;
658 struct e1000_ring *rx_ring = adapter->rx_ring;
659
660 ring->rx_max_pending = E1000_MAX_RXD;
661 ring->tx_max_pending = E1000_MAX_TXD;
662 ring->rx_mini_max_pending = 0;
663 ring->rx_jumbo_max_pending = 0;
664 ring->rx_pending = rx_ring->count;
665 ring->tx_pending = tx_ring->count;
666 ring->rx_mini_pending = 0;
667 ring->rx_jumbo_pending = 0;
668}
669
670static int e1000_set_ringparam(struct net_device *netdev,
671 struct ethtool_ringparam *ring)
672{
673 struct e1000_adapter *adapter = netdev_priv(netdev);
674 struct e1000_ring *tx_ring, *tx_old;
675 struct e1000_ring *rx_ring, *rx_old;
676 int err;
677
678 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
679 return -EINVAL;
680
681 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
682 msleep(1);
683
684 if (netif_running(adapter->netdev))
685 e1000e_down(adapter);
686
687 tx_old = adapter->tx_ring;
688 rx_old = adapter->rx_ring;
689
690 err = -ENOMEM;
691 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
692 if (!tx_ring)
693 goto err_alloc_tx;
cef8c793
BA		 694 /*
695 * use a memcpy to save any previously configured
696 * items like napi structs from having to be
697 * reinitialized
698 */
699 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 700
701 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
702 if (!rx_ring)
703 goto err_alloc_rx;
cef8c793 704 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 705
706 adapter->tx_ring = tx_ring;
707 adapter->rx_ring = rx_ring;
708
709 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
710 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
711 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
712
713 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
714 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
715 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
716
717 if (netif_running(adapter->netdev)) {
718 /* Try to get new resources before deleting old */
719 err = e1000e_setup_rx_resources(adapter);
720 if (err)
721 goto err_setup_rx;
722 err = e1000e_setup_tx_resources(adapter);
723 if (err)
724 goto err_setup_tx;
725
ad68076e
BA		 726 /*
727 * restore the old in order to free it,
728 * then add in the new
729 */
bc7f75fa
AK		 730 adapter->rx_ring = rx_old;
731 adapter->tx_ring = tx_old;
732 e1000e_free_rx_resources(adapter);
733 e1000e_free_tx_resources(adapter);
734 kfree(tx_old);
735 kfree(rx_old);
736 adapter->rx_ring = rx_ring;
737 adapter->tx_ring = tx_ring;
738 err = e1000e_up(adapter);
739 if (err)
740 goto err_setup;
741 }
742
743 clear_bit(__E1000_RESETTING, &adapter->state);
744 return 0;
745err_setup_tx:
746 e1000e_free_rx_resources(adapter);
747err_setup_rx:
748 adapter->rx_ring = rx_old;
749 adapter->tx_ring = tx_old;
750 kfree(rx_ring);
751err_alloc_rx:
752 kfree(tx_ring);
753err_alloc_tx:
754 e1000e_up(adapter);
755err_setup:
756 clear_bit(__E1000_RESETTING, &adapter->state);
757 return err;
758}
759
cef8c793
BA		 760static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
761 int reg, int offset, u32 mask, u32 write)
2a887191 762{
cef8c793 763 u32 pat, val;
2a887191
JP		 764 static const u32 test[] =
765 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 766 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 767 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 768 (test[pat] & write));
769 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
770 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 771 e_err("pattern test reg %04X failed: got 0x%08X "
772 "expected 0x%08X\n", reg + offset, val,
773 (test[pat] & write & mask));
2a887191 774 *data = reg;
cef8c793 775 return 1;
2a887191
JP		 776 }
777 }
cef8c793 778 return 0;
bc7f75fa
AK		 779}
780
2a887191
JP		 781static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
782 int reg, u32 mask, u32 write)
783{
cef8c793 784 u32 val;
2a887191 785 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 786 val = __er32(&adapter->hw, reg);
787 if ((write & mask) != (val & mask)) {
44defeb3
JK		 788 e_err("set/check reg %04X test failed: got 0x%08X "
789 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 790 *data = reg;
cef8c793 791 return 1;
2a887191 792 }
cef8c793 793 return 0;
bc7f75fa 794}
cef8c793
BA		 795#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
796 do { \
797 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
798 return 1; \
2a887191 799 } while (0)
cef8c793
BA		 800#define REG_PATTERN_TEST(reg, mask, write) \
801 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 802
cef8c793
BA		 803#define REG_SET_AND_CHECK(reg, mask, write) \
804 do { \
805 if (reg_set_and_check(adapter, data, reg, mask, write)) \
806 return 1; \
2a887191
JP		 807 } while (0)
808
bc7f75fa
AK		 809static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
810{
811 struct e1000_hw *hw = &adapter->hw;
812 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 813 u32 value;
814 u32 before;
815 u32 after;
816 u32 i;
817 u32 toggle;
a4f58f54 818 u32 mask;
bc7f75fa 819
ad68076e
BA		 820 /*
821 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 822 * Some bits that get toggled are ignored.
823 */
824 switch (mac->type) {
825 /* there are several bits on newer hardware that are r/w */
826 case e1000_82571:
827 case e1000_82572:
828 case e1000_80003es2lan:
829 toggle = 0x7FFFF3FF;
830 break;
a4f58f54 831 default:
bc7f75fa
AK		 832 toggle = 0x7FFFF033;
833 break;
bc7f75fa
AK		 834 }
835
836 before = er32(STATUS);
837 value = (er32(STATUS) & toggle);
838 ew32(STATUS, toggle);
839 after = er32(STATUS) & toggle;
840 if (value != after) {
44defeb3
JK		 841 e_err("failed STATUS register test got: 0x%08X expected: "
842 "0x%08X\n", after, value);
bc7f75fa
AK		 843 *data = 1;
844 return 1;
845 }
846 /* restore previous status */
847 ew32(STATUS, before);
848
97ac8cae 849 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 850 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
852 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
853 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
854 }
855
856 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
857 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
858 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
859 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
860 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
861 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
862 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
863 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
864 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
865 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
866
867 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
868
97ac8cae 869 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 870 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
871 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
872
8658251d
AK		 873 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
874 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 875 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 876 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
877 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
878 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 879 mask = 0x8003FFFF;
880 switch (mac->type) {
881 case e1000_ich10lan:
882 case e1000_pchlan:
883 mask |= (1 << 18);
884 break;
885 default:
886 break;
887 }
8658251d
AK		 888 for (i = 0; i < mac->rar_entry_count; i++)
889 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
a4f58f54 890 mask, 0xFFFFFFFF);
bc7f75fa
AK		 891
892 for (i = 0; i < mac->mta_reg_count; i++)
893 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
894
895 *data = 0;
896 return 0;
897}
898
899static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
900{
901 u16 temp;
902 u16 checksum = 0;
903 u16 i;
904
905 *data = 0;
906 /* Read and add up the contents of the EEPROM */
907 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
908 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
909 *data = 1;
e243455d 910 return *data;
bc7f75fa
AK		 911 }
912 checksum += temp;
913 }
914
915 /* If Checksum is not Correct return error else test passed */
916 if ((checksum != (u16) NVM_SUM) && !(*data))
917 *data = 2;
918
919 return *data;
920}
921
922static irqreturn_t e1000_test_intr(int irq, void *data)
923{
924 struct net_device *netdev = (struct net_device *) data;
925 struct e1000_adapter *adapter = netdev_priv(netdev);
926 struct e1000_hw *hw = &adapter->hw;
927
928 adapter->test_icr |= er32(ICR);
929
930 return IRQ_HANDLED;
931}
932
933static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
934{
935 struct net_device *netdev = adapter->netdev;
936 struct e1000_hw *hw = &adapter->hw;
937 u32 mask;
938 u32 shared_int = 1;
939 u32 irq = adapter->pdev->irq;
940 int i;
4662e82b
BA		 941 int ret_val = 0;
942 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 943
944 *data = 0;
945
4662e82b
BA		 946 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
947 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
948 int_mode = adapter->int_mode;
949 e1000e_reset_interrupt_capability(adapter);
950 adapter->int_mode = E1000E_INT_MODE_LEGACY;
951 e1000e_set_interrupt_capability(adapter);
952 }
bc7f75fa 953 /* Hook up test interrupt handler just for this test */
a0607fd3 954 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 955 netdev)) {
956 shared_int = 0;
a0607fd3 957 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
bc7f75fa
AK		 958 netdev->name, netdev)) {
959 *data = 1;
4662e82b
BA		 960 ret_val = -1;
961 goto out;
bc7f75fa 962 }
44defeb3 963 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 964
965 /* Disable all the interrupts */
966 ew32(IMC, 0xFFFFFFFF);
967 msleep(10);
968
969 /* Test each interrupt */
970 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 971 /* Interrupt to test */
972 mask = 1 << i;
973
f4187b56
BA		 974 if (adapter->flags & FLAG_IS_ICH) {
975 switch (mask) {
976 case E1000_ICR_RXSEQ:
977 continue;
978 case 0x00000100:
979 if (adapter->hw.mac.type == e1000_ich8lan ||
980 adapter->hw.mac.type == e1000_ich9lan)
981 continue;
982 break;
983 default:
984 break;
985 }
986 }
987
bc7f75fa 988 if (!shared_int) {
ad68076e
BA		 989 /*
990 * Disable the interrupt to be reported in
bc7f75fa
AK		 991 * the cause register and then force the same
992 * interrupt and see if one gets posted. If
993 * an interrupt was posted to the bus, the
994 * test failed.
995 */
996 adapter->test_icr = 0;
997 ew32(IMC, mask);
998 ew32(ICS, mask);
999 msleep(10);
1000
1001 if (adapter->test_icr & mask) {
1002 *data = 3;
1003 break;
1004 }
1005 }
1006
ad68076e
BA		 1007 /*
1008 * Enable the interrupt to be reported in
bc7f75fa
AK		 1009 * the cause register and then force the same
1010 * interrupt and see if one gets posted. If
1011 * an interrupt was not posted to the bus, the
1012 * test failed.
1013 */
1014 adapter->test_icr = 0;
1015 ew32(IMS, mask);
1016 ew32(ICS, mask);
1017 msleep(10);
1018
1019 if (!(adapter->test_icr & mask)) {
1020 *data = 4;
1021 break;
1022 }
1023
1024 if (!shared_int) {
ad68076e
BA		 1025 /*
1026 * Disable the other interrupts to be reported in
bc7f75fa
AK		 1027 * the cause register and then force the other
1028 * interrupts and see if any get posted. If
1029 * an interrupt was posted to the bus, the
1030 * test failed.
1031 */
1032 adapter->test_icr = 0;
1033 ew32(IMC, ~mask & 0x00007FFF);
1034 ew32(ICS, ~mask & 0x00007FFF);
1035 msleep(10);
1036
1037 if (adapter->test_icr) {
1038 *data = 5;
1039 break;
1040 }
1041 }
1042 }
1043
1044 /* Disable all the interrupts */
1045 ew32(IMC, 0xFFFFFFFF);
1046 msleep(10);
1047
1048 /* Unhook test interrupt handler */
1049 free_irq(irq, netdev);
1050
4662e82b
BA		 1051out:
1052 if (int_mode == E1000E_INT_MODE_MSIX) {
1053 e1000e_reset_interrupt_capability(adapter);
1054 adapter->int_mode = int_mode;
1055 e1000e_set_interrupt_capability(adapter);
1056 }
1057
1058 return ret_val;
bc7f75fa
AK		 1059}
1060
1061static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1062{
1063 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1064 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1065 struct pci_dev *pdev = adapter->pdev;
1066 int i;
1067
1068 if (tx_ring->desc && tx_ring->buffer_info) {
1069 for (i = 0; i < tx_ring->count; i++) {
1070 if (tx_ring->buffer_info[i].dma)
0be3f55f 1071 dma_unmap_single(&pdev->dev,
bc7f75fa
AK		 1072 tx_ring->buffer_info[i].dma,
1073 tx_ring->buffer_info[i].length,
0be3f55f 1074 DMA_TO_DEVICE);
bc7f75fa
AK		 1075 if (tx_ring->buffer_info[i].skb)
1076 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1077 }
1078 }
1079
1080 if (rx_ring->desc && rx_ring->buffer_info) {
1081 for (i = 0; i < rx_ring->count; i++) {
1082 if (rx_ring->buffer_info[i].dma)
0be3f55f 1083 dma_unmap_single(&pdev->dev,
bc7f75fa 1084 rx_ring->buffer_info[i].dma,
0be3f55f 1085 2048, DMA_FROM_DEVICE);
bc7f75fa
AK		 1086 if (rx_ring->buffer_info[i].skb)
1087 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1088 }
1089 }
1090
1091 if (tx_ring->desc) {
1092 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1093 tx_ring->dma);
1094 tx_ring->desc = NULL;
1095 }
1096 if (rx_ring->desc) {
1097 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1098 rx_ring->dma);
1099 rx_ring->desc = NULL;
1100 }
1101
1102 kfree(tx_ring->buffer_info);
1103 tx_ring->buffer_info = NULL;
1104 kfree(rx_ring->buffer_info);
1105 rx_ring->buffer_info = NULL;
1106}
1107
1108static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1109{
1110 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1111 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1112 struct pci_dev *pdev = adapter->pdev;
1113 struct e1000_hw *hw = &adapter->hw;
1114 u32 rctl;
bc7f75fa
AK		 1115 int i;
1116 int ret_val;
1117
1118 /* Setup Tx descriptor ring and Tx buffers */
1119
1120 if (!tx_ring->count)
1121 tx_ring->count = E1000_DEFAULT_TXD;
1122
cef8c793
BA		 1123 tx_ring->buffer_info = kcalloc(tx_ring->count,
1124 sizeof(struct e1000_buffer),
1125 GFP_KERNEL);
1126 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1127 ret_val = 1;
1128 goto err_nomem;
1129 }
bc7f75fa
AK		 1130
1131 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1132 tx_ring->size = ALIGN(tx_ring->size, 4096);
1133 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1134 &tx_ring->dma, GFP_KERNEL);
1135 if (!tx_ring->desc) {
1136 ret_val = 2;
1137 goto err_nomem;
1138 }
bc7f75fa
AK		 1139 tx_ring->next_to_use = 0;
1140 tx_ring->next_to_clean = 0;
1141
cef8c793 1142 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1143 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1144 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1145 ew32(TDH, 0);
1146 ew32(TDT, 0);
cef8c793
BA		 1147 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1148 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1149 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1150
1151 for (i = 0; i < tx_ring->count; i++) {
1152 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1153 struct sk_buff *skb;
1154 unsigned int skb_size = 1024;
1155
1156 skb = alloc_skb(skb_size, GFP_KERNEL);
1157 if (!skb) {
1158 ret_val = 3;
1159 goto err_nomem;
1160 }
1161 skb_put(skb, skb_size);
1162 tx_ring->buffer_info[i].skb = skb;
1163 tx_ring->buffer_info[i].length = skb->len;
1164 tx_ring->buffer_info[i].dma =
0be3f55f
NN		 1165 dma_map_single(&pdev->dev, skb->data, skb->len,
1166 DMA_TO_DEVICE);
1167 if (dma_mapping_error(&pdev->dev,
1168 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1169 ret_val = 4;
1170 goto err_nomem;
1171 }
cef8c793 1172 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1173 tx_desc->lower.data = cpu_to_le32(skb->len);
1174 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1175 E1000_TXD_CMD_IFCS |
cef8c793 1176 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1177 tx_desc->upper.data = 0;
1178 }
1179
1180 /* Setup Rx descriptor ring and Rx buffers */
1181
1182 if (!rx_ring->count)
1183 rx_ring->count = E1000_DEFAULT_RXD;
1184
cef8c793
BA		 1185 rx_ring->buffer_info = kcalloc(rx_ring->count,
1186 sizeof(struct e1000_buffer),
1187 GFP_KERNEL);
1188 if (!(rx_ring->buffer_info)) {
bc7f75fa
AK		 1189 ret_val = 5;
1190 goto err_nomem;
1191 }
bc7f75fa
AK		 1192
1193 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1194 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1195 &rx_ring->dma, GFP_KERNEL);
1196 if (!rx_ring->desc) {
1197 ret_val = 6;
1198 goto err_nomem;
1199 }
bc7f75fa
AK		 1200 rx_ring->next_to_use = 0;
1201 rx_ring->next_to_clean = 0;
1202
1203 rctl = er32(RCTL);
1204 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1205 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1206 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1207 ew32(RDLEN, rx_ring->size);
1208 ew32(RDH, 0);
1209 ew32(RDT, 0);
1210 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
cef8c793
BA		 1211 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1212 E1000_RCTL_SBP | E1000_RCTL_SECRC |
bc7f75fa
AK		 1213 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1214 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1215 ew32(RCTL, rctl);
1216
1217 for (i = 0; i < rx_ring->count; i++) {
1218 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1219 struct sk_buff *skb;
1220
1221 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1222 if (!skb) {
1223 ret_val = 7;
1224 goto err_nomem;
1225 }
1226 skb_reserve(skb, NET_IP_ALIGN);
1227 rx_ring->buffer_info[i].skb = skb;
1228 rx_ring->buffer_info[i].dma =
0be3f55f
NN		 1229 dma_map_single(&pdev->dev, skb->data, 2048,
1230 DMA_FROM_DEVICE);
1231 if (dma_mapping_error(&pdev->dev,
1232 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1233 ret_val = 8;
1234 goto err_nomem;
1235 }
1236 rx_desc->buffer_addr =
1237 cpu_to_le64(rx_ring->buffer_info[i].dma);
1238 memset(skb->data, 0x00, skb->len);
1239 }
1240
1241 return 0;
1242
1243err_nomem:
1244 e1000_free_desc_rings(adapter);
1245 return ret_val;
1246}
1247
1248static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1249{
1250 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1251 e1e_wphy(&adapter->hw, 29, 0x001F);
1252 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1253 e1e_wphy(&adapter->hw, 29, 0x001A);
1254 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1255}
1256
1257static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1258{
1259 struct e1000_hw *hw = &adapter->hw;
1260 u32 ctrl_reg = 0;
1261 u32 stat_reg = 0;
97ac8cae 1262 u16 phy_reg = 0;
bc7f75fa 1263
318a94d6 1264 hw->mac.autoneg = 0;
bc7f75fa 1265
bb436b20
BA		 1266 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1267 if (hw->mac.type == e1000_pchlan)
1268 e1000_configure_k1_ich8lan(hw, false);
1269
318a94d6 1270 if (hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1271 /* Auto-MDI/MDIX Off */
1272 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1273 /* reset to update Auto-MDI/MDIX */
1274 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1275 /* autoneg off */
1276 e1e_wphy(hw, PHY_CONTROL, 0x8140);
318a94d6 1277 } else if (hw->phy.type == e1000_phy_gg82563)
bc7f75fa
AK		 1278 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1279
1280 ctrl_reg = er32(CTRL);
1281
cef8c793
BA		 1282 switch (hw->phy.type) {
1283 case e1000_phy_ife:
bc7f75fa
AK		 1284 /* force 100, set loopback */
1285 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1286
1287 /* Now set up the MAC to the same speed/duplex as the PHY. */
1288 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1289 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1290 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1291 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1292 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1293 break;
97ac8cae
BA		 1294 case e1000_phy_bm:
1295 /* Set Default MAC Interface speed to 1GB */
1296 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1297 phy_reg &= ~0x0007;
1298 phy_reg |= 0x006;
1299 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1300 /* Assert SW reset for above settings to take effect */
1301 e1000e_commit_phy(hw);
1302 mdelay(1);
1303 /* Force Full Duplex */
1304 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1305 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1306 /* Set Link Up (in force link) */
1307 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1308 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1309 /* Force Link */
1310 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1311 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1312 /* Set Early Link Enable */
1313 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1314 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1315 /* fall through */
cef8c793 1316 default:
bc7f75fa
AK		 1317 /* force 1000, set loopback */
1318 e1e_wphy(hw, PHY_CONTROL, 0x4140);
cef8c793 1319 mdelay(250);
bc7f75fa
AK		 1320
1321 /* Now set up the MAC to the same speed/duplex as the PHY. */
1322 ctrl_reg = er32(CTRL);
1323 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1324 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1325 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1326 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1327 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1328
97ac8cae 1329 if (adapter->flags & FLAG_IS_ICH)
cef8c793 1330 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa
AK		 1331 }
1332
318a94d6
JK		 1333 if (hw->phy.media_type == e1000_media_type_copper &&
1334 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1335 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1336 } else {
ad68076e
BA		 1337 /*
1338 * Set the ILOS bit on the fiber Nic if half duplex link is
1339 * detected.
1340 */
bc7f75fa
AK		 1341 stat_reg = er32(STATUS);
1342 if ((stat_reg & E1000_STATUS_FD) == 0)
1343 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1344 }
1345
1346 ew32(CTRL, ctrl_reg);
1347
ad68076e
BA		 1348 /*
1349 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1350 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1351 */
318a94d6 1352 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1353 e1000_phy_disable_receiver(adapter);
1354
1355 udelay(500);
1356
1357 return 0;
1358}
1359
1360static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1361{
1362 struct e1000_hw *hw = &adapter->hw;
1363 u32 ctrl = er32(CTRL);
1364 int link = 0;
1365
1366 /* special requirements for 82571/82572 fiber adapters */
1367
ad68076e
BA		 1368 /*
1369 * jump through hoops to make sure link is up because serdes
1370 * link is hardwired up
1371 */
bc7f75fa
AK		 1372 ctrl |= E1000_CTRL_SLU;
1373 ew32(CTRL, ctrl);
1374
1375 /* disable autoneg */
1376 ctrl = er32(TXCW);
1377 ctrl &= ~(1 << 31);
1378 ew32(TXCW, ctrl);
1379
1380 link = (er32(STATUS) & E1000_STATUS_LU);
1381
1382 if (!link) {
1383 /* set invert loss of signal */
1384 ctrl = er32(CTRL);
1385 ctrl |= E1000_CTRL_ILOS;
1386 ew32(CTRL, ctrl);
1387 }
1388
ad68076e
BA		 1389 /*
1390 * special write to serdes control register to enable SerDes analog
1391 * loopback
1392 */
bc7f75fa
AK		 1393#define E1000_SERDES_LB_ON 0x410
1394 ew32(SCTL, E1000_SERDES_LB_ON);
1395 msleep(10);
1396
1397 return 0;
1398}
1399
1400/* only call this for fiber/serdes connections to es2lan */
1401static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1402{
1403 struct e1000_hw *hw = &adapter->hw;
1404 u32 ctrlext = er32(CTRL_EXT);
1405 u32 ctrl = er32(CTRL);
1406
ad68076e
BA		 1407 /*
1408 * save CTRL_EXT to restore later, reuse an empty variable (unused
1409 * on mac_type 80003es2lan)
1410 */
bc7f75fa
AK		 1411 adapter->tx_fifo_head = ctrlext;
1412
1413 /* clear the serdes mode bits, putting the device into mac loopback */
1414 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1415 ew32(CTRL_EXT, ctrlext);
1416
1417 /* force speed to 1000/FD, link up */
1418 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1419 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1420 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1421 ew32(CTRL, ctrl);
1422
1423 /* set mac loopback */
1424 ctrl = er32(RCTL);
1425 ctrl |= E1000_RCTL_LBM_MAC;
1426 ew32(RCTL, ctrl);
1427
1428 /* set testing mode parameters (no need to reset later) */
1429#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1430#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1431 ew32(KMRNCTRLSTA,
cef8c793 1432 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1433
1434 return 0;
1435}
1436
1437static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1438{
1439 struct e1000_hw *hw = &adapter->hw;
1440 u32 rctl;
1441
318a94d6
JK		 1442 if (hw->phy.media_type == e1000_media_type_fiber ||
1443 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1444 switch (hw->mac.type) {
1445 case e1000_80003es2lan:
1446 return e1000_set_es2lan_mac_loopback(adapter);
1447 break;
1448 case e1000_82571:
1449 case e1000_82572:
1450 return e1000_set_82571_fiber_loopback(adapter);
1451 break;
1452 default:
1453 rctl = er32(RCTL);
1454 rctl |= E1000_RCTL_LBM_TCVR;
1455 ew32(RCTL, rctl);
1456 return 0;
1457 }
318a94d6 1458 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1459 return e1000_integrated_phy_loopback(adapter);
1460 }
1461
1462 return 7;
1463}
1464
1465static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1466{
1467 struct e1000_hw *hw = &adapter->hw;
1468 u32 rctl;
1469 u16 phy_reg;
1470
1471 rctl = er32(RCTL);
1472 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1473 ew32(RCTL, rctl);
1474
1475 switch (hw->mac.type) {
1476 case e1000_80003es2lan:
318a94d6
JK		 1477 if (hw->phy.media_type == e1000_media_type_fiber ||
1478 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1479 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1480 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1481 adapter->tx_fifo_head = 0;
1482 }
1483 /* fall through */
1484 case e1000_82571:
1485 case e1000_82572:
318a94d6
JK		 1486 if (hw->phy.media_type == e1000_media_type_fiber ||
1487 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1488#define E1000_SERDES_LB_OFF 0x400
1489 ew32(SCTL, E1000_SERDES_LB_OFF);
1490 msleep(10);
1491 break;
1492 }
1493 /* Fall Through */
1494 default:
1495 hw->mac.autoneg = 1;
1496 if (hw->phy.type == e1000_phy_gg82563)
1497 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1498 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1499 if (phy_reg & MII_CR_LOOPBACK) {
1500 phy_reg &= ~MII_CR_LOOPBACK;
1501 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1502 e1000e_commit_phy(hw);
1503 }
1504 break;
1505 }
1506}
1507
1508static void e1000_create_lbtest_frame(struct sk_buff *skb,
1509 unsigned int frame_size)
1510{
1511 memset(skb->data, 0xFF, frame_size);
1512 frame_size &= ~1;
1513 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1514 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1515 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1516}
1517
1518static int e1000_check_lbtest_frame(struct sk_buff *skb,
1519 unsigned int frame_size)
1520{
1521 frame_size &= ~1;
1522 if (*(skb->data + 3) == 0xFF)
1523 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1524 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1525 return 0;
1526 return 13;
1527}
1528
1529static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1530{
1531 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1532 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1533 struct pci_dev *pdev = adapter->pdev;
1534 struct e1000_hw *hw = &adapter->hw;
1535 int i, j, k, l;
1536 int lc;
1537 int good_cnt;
1538 int ret_val = 0;
1539 unsigned long time;
1540
1541 ew32(RDT, rx_ring->count - 1);
1542
ad68076e
BA		 1543 /*
1544 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1545 * The idea is to wrap the largest ring a number of times using 64
1546 * send/receive pairs during each loop
1547 */
1548
1549 if (rx_ring->count <= tx_ring->count)
1550 lc = ((tx_ring->count / 64) * 2) + 1;
1551 else
1552 lc = ((rx_ring->count / 64) * 2) + 1;
1553
1554 k = 0;
1555 l = 0;
1556 for (j = 0; j <= lc; j++) { /* loop count loop */
1557 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1558 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1559 1024);
0be3f55f 1560 dma_sync_single_for_device(&pdev->dev,
bc7f75fa
AK		 1561 tx_ring->buffer_info[k].dma,
1562 tx_ring->buffer_info[k].length,
0be3f55f 1563 DMA_TO_DEVICE);
bc7f75fa
AK		 1564 k++;
1565 if (k == tx_ring->count)
1566 k = 0;
1567 }
1568 ew32(TDT, k);
1569 msleep(200);
1570 time = jiffies; /* set the start time for the receive */
1571 good_cnt = 0;
1572 do { /* receive the sent packets */
0be3f55f 1573 dma_sync_single_for_cpu(&pdev->dev,
bc7f75fa 1574 rx_ring->buffer_info[l].dma, 2048,
0be3f55f 1575 DMA_FROM_DEVICE);
bc7f75fa
AK		 1576
1577 ret_val = e1000_check_lbtest_frame(
1578 rx_ring->buffer_info[l].skb, 1024);
1579 if (!ret_val)
1580 good_cnt++;
1581 l++;
1582 if (l == rx_ring->count)
1583 l = 0;
ad68076e
BA		 1584 /*
1585 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1586 * enough time to complete the receives, if it's
1587 * exceeded, break and error off
1588 */
1589 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1590 if (good_cnt != 64) {
1591 ret_val = 13; /* ret_val is the same as mis-compare */
1592 break;
1593 }
cef8c793 1594 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1595 ret_val = 14; /* error code for time out error */
1596 break;
1597 }
1598 } /* end loop count loop */
1599 return ret_val;
1600}
1601
1602static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1603{
ad68076e
BA		 1604 /*
1605 * PHY loopback cannot be performed if SoL/IDER
1606 * sessions are active
1607 */
bc7f75fa 1608 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1609 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1610 *data = 0;
1611 goto out;
1612 }
1613
1614 *data = e1000_setup_desc_rings(adapter);
e265522c 1615 if (*data)
bc7f75fa
AK		 1616 goto out;
1617
1618 *data = e1000_setup_loopback_test(adapter);
e265522c 1619 if (*data)
bc7f75fa
AK		 1620 goto err_loopback;
1621
1622 *data = e1000_run_loopback_test(adapter);
1623 e1000_loopback_cleanup(adapter);
1624
1625err_loopback:
1626 e1000_free_desc_rings(adapter);
1627out:
1628 return *data;
1629}
1630
1631static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1632{
1633 struct e1000_hw *hw = &adapter->hw;
1634
1635 *data = 0;
318a94d6 1636 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1637 int i = 0;
612e244c 1638 hw->mac.serdes_has_link = false;
bc7f75fa 1639
ad68076e
BA		 1640 /*
1641 * On some blade server designs, link establishment
1642 * could take as long as 2-3 minutes
1643 */
bc7f75fa
AK		 1644 do {
1645 hw->mac.ops.check_for_link(hw);
1646 if (hw->mac.serdes_has_link)
1647 return *data;
1648 msleep(20);
1649 } while (i++ < 3750);
1650
1651 *data = 1;
1652 } else {
1653 hw->mac.ops.check_for_link(hw);
1654 if (hw->mac.autoneg)
1655 msleep(4000);
1656
1657 if (!(er32(STATUS) &
1658 E1000_STATUS_LU))
1659 *data = 1;
1660 }
1661 return *data;
1662}
1663
b9f2c044 1664static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1665{
b9f2c044
JG		 1666 switch (sset) {
1667 case ETH_SS_TEST:
1668 return E1000_TEST_LEN;
1669 case ETH_SS_STATS:
1670 return E1000_STATS_LEN;
1671 default:
1672 return -EOPNOTSUPP;
1673 }
bc7f75fa
AK		 1674}
1675
1676static void e1000_diag_test(struct net_device *netdev,
1677 struct ethtool_test *eth_test, u64 *data)
1678{
1679 struct e1000_adapter *adapter = netdev_priv(netdev);
1680 u16 autoneg_advertised;
1681 u8 forced_speed_duplex;
1682 u8 autoneg;
1683 bool if_running = netif_running(netdev);
1684
1685 set_bit(__E1000_TESTING, &adapter->state);
1686 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1687 /* Offline tests */
1688
1689 /* save speed, duplex, autoneg settings */
1690 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1691 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1692 autoneg = adapter->hw.mac.autoneg;
1693
44defeb3 1694 e_info("offline testing starting\n");
bc7f75fa 1695
ad68076e
BA		 1696 /*
1697 * Link test performed before hardware reset so autoneg doesn't
1698 * interfere with test result
1699 */
bc7f75fa
AK		 1700 if (e1000_link_test(adapter, &data[4]))
1701 eth_test->flags |= ETH_TEST_FL_FAILED;
1702
1703 if (if_running)
1704 /* indicate we're in test mode */
1705 dev_close(netdev);
1706 else
1707 e1000e_reset(adapter);
1708
1709 if (e1000_reg_test(adapter, &data[0]))
1710 eth_test->flags |= ETH_TEST_FL_FAILED;
1711
1712 e1000e_reset(adapter);
1713 if (e1000_eeprom_test(adapter, &data[1]))
1714 eth_test->flags |= ETH_TEST_FL_FAILED;
1715
1716 e1000e_reset(adapter);
1717 if (e1000_intr_test(adapter, &data[2]))
1718 eth_test->flags |= ETH_TEST_FL_FAILED;
1719
1720 e1000e_reset(adapter);
1721 /* make sure the phy is powered up */
1722 e1000e_power_up_phy(adapter);
1723 if (e1000_loopback_test(adapter, &data[3]))
1724 eth_test->flags |= ETH_TEST_FL_FAILED;
1725
1726 /* restore speed, duplex, autoneg settings */
1727 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1728 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1729 adapter->hw.mac.autoneg = autoneg;
1730
1731 /* force this routine to wait until autoneg complete/timeout */
318a94d6 1732 adapter->hw.phy.autoneg_wait_to_complete = 1;
bc7f75fa 1733 e1000e_reset(adapter);
318a94d6 1734 adapter->hw.phy.autoneg_wait_to_complete = 0;
bc7f75fa
AK		 1735
1736 clear_bit(__E1000_TESTING, &adapter->state);
1737 if (if_running)
1738 dev_open(netdev);
1739 } else {
11b08be8
BA		 1740 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) {
1741 clear_bit(__E1000_TESTING, &adapter->state);
1742 dev_open(netdev);
1743 set_bit(__E1000_TESTING, &adapter->state);
1744 }
1745
44defeb3 1746 e_info("online testing starting\n");
bc7f75fa
AK		 1747 /* Online tests */
1748 if (e1000_link_test(adapter, &data[4]))
1749 eth_test->flags |= ETH_TEST_FL_FAILED;
1750
1751 /* Online tests aren't run; pass by default */
1752 data[0] = 0;
1753 data[1] = 0;
1754 data[2] = 0;
1755 data[3] = 0;
1756
11b08be8
BA		 1757 if (!if_running && (adapter->flags & FLAG_HAS_AMT))
1758 dev_close(netdev);
1759
bc7f75fa
AK		 1760 clear_bit(__E1000_TESTING, &adapter->state);
1761 }
1762 msleep_interruptible(4 * 1000);
1763}
1764
1765static void e1000_get_wol(struct net_device *netdev,
1766 struct ethtool_wolinfo *wol)
1767{
1768 struct e1000_adapter *adapter = netdev_priv(netdev);
1769
1770 wol->supported = 0;
1771 wol->wolopts = 0;
1772
6ff68026
RW		 1773 if (!(adapter->flags & FLAG_HAS_WOL) ||
1774 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1775 return;
1776
1777 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1778 WAKE_BCAST | WAKE_MAGIC |
1779 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1780
1781 /* apply any specific unsupported masks here */
1782 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1783 wol->supported &= ~WAKE_UCAST;
1784
1785 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1786 e_err("Interface does not support directed (unicast) "
1787 "frame wake-up packets\n");
bc7f75fa
AK		 1788 }
1789
1790 if (adapter->wol & E1000_WUFC_EX)
1791 wol->wolopts |= WAKE_UCAST;
1792 if (adapter->wol & E1000_WUFC_MC)
1793 wol->wolopts |= WAKE_MCAST;
1794 if (adapter->wol & E1000_WUFC_BC)
1795 wol->wolopts |= WAKE_BCAST;
1796 if (adapter->wol & E1000_WUFC_MAG)
1797 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1798 if (adapter->wol & E1000_WUFC_LNKC)
1799 wol->wolopts |= WAKE_PHY;
1800 if (adapter->wol & E1000_WUFC_ARP)
1801 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1802}
1803
1804static int e1000_set_wol(struct net_device *netdev,
1805 struct ethtool_wolinfo *wol)
1806{
1807 struct e1000_adapter *adapter = netdev_priv(netdev);
1808
6ff68026 1809 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1810 !device_can_wakeup(&adapter->pdev->dev) ||
1811 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1812 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1813 return -EOPNOTSUPP;
bc7f75fa
AK		 1814
1815 /* these settings will always override what we currently have */
1816 adapter->wol = 0;
1817
1818 if (wol->wolopts & WAKE_UCAST)
1819 adapter->wol |= E1000_WUFC_EX;
1820 if (wol->wolopts & WAKE_MCAST)
1821 adapter->wol |= E1000_WUFC_MC;
1822 if (wol->wolopts & WAKE_BCAST)
1823 adapter->wol |= E1000_WUFC_BC;
1824 if (wol->wolopts & WAKE_MAGIC)
1825 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1826 if (wol->wolopts & WAKE_PHY)
1827 adapter->wol |= E1000_WUFC_LNKC;
1828 if (wol->wolopts & WAKE_ARP)
1829 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa 1830
6ff68026
RW		 1831 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1832
bc7f75fa
AK		 1833 return 0;
1834}
1835
1836/* toggle LED 4 times per second = 2 "blinks" per second */
1837#define E1000_ID_INTERVAL (HZ/4)
1838
1839/* bit defines for adapter->led_status */
1840#define E1000_LED_ON 0
1841
a4f58f54 1842static void e1000e_led_blink_task(struct work_struct *work)
bc7f75fa 1843{
a4f58f54
BA		 1844 struct e1000_adapter *adapter = container_of(work,
1845 struct e1000_adapter, led_blink_task);
bc7f75fa
AK		 1846
1847 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1848 adapter->hw.mac.ops.led_off(&adapter->hw);
1849 else
1850 adapter->hw.mac.ops.led_on(&adapter->hw);
a4f58f54
BA		 1851}
1852
1853static void e1000_led_blink_callback(unsigned long data)
1854{
1855 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
bc7f75fa 1856
a4f58f54 1857 schedule_work(&adapter->led_blink_task);
bc7f75fa
AK		 1858 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1859}
1860
1861static int e1000_phys_id(struct net_device *netdev, u32 data)
1862{
1863 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1864 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1865
5a9147bb
SH		 1866 if (!data)
1867 data = INT_MAX;
bc7f75fa 1868
4662e82b 1869 if ((hw->phy.type == e1000_phy_ife) ||
a4f58f54 1870 (hw->mac.type == e1000_pchlan) ||
f89271dd 1871 (hw->mac.type == e1000_82583) ||
4662e82b 1872 (hw->mac.type == e1000_82574)) {
a4f58f54 1873 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
bc7f75fa
AK		 1874 if (!adapter->blink_timer.function) {
1875 init_timer(&adapter->blink_timer);
1876 adapter->blink_timer.function =
1877 e1000_led_blink_callback;
1878 adapter->blink_timer.data = (unsigned long) adapter;
1879 }
1880 mod_timer(&adapter->blink_timer, jiffies);
1881 msleep_interruptible(data * 1000);
1882 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1883 if (hw->phy.type == e1000_phy_ife)
1884 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1885 } else {
4662e82b 1886 e1000e_blink_led(hw);
bc7f75fa
AK		 1887 msleep_interruptible(data * 1000);
1888 }
1889
4662e82b 1890 hw->mac.ops.led_off(hw);
bc7f75fa 1891 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1892 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1893
1894 return 0;
1895}
1896
de5b3077
AK		 1897static int e1000_get_coalesce(struct net_device *netdev,
1898 struct ethtool_coalesce *ec)
1899{
1900 struct e1000_adapter *adapter = netdev_priv(netdev);
1901
eab2abf5 1902 if (adapter->itr_setting <= 4)
de5b3077
AK		 1903 ec->rx_coalesce_usecs = adapter->itr_setting;
1904 else
1905 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1906
1907 return 0;
1908}
1909
1910static int e1000_set_coalesce(struct net_device *netdev,
1911 struct ethtool_coalesce *ec)
1912{
1913 struct e1000_adapter *adapter = netdev_priv(netdev);
1914 struct e1000_hw *hw = &adapter->hw;
1915
1916 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1917 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1918 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1919 (ec->rx_coalesce_usecs == 2))
1920 return -EINVAL;
1921
eab2abf5
JB		 1922 if (ec->rx_coalesce_usecs == 4) {
1923 adapter->itr = adapter->itr_setting = 4;
1924 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1925 adapter->itr = 20000;
1926 adapter->itr_setting = ec->rx_coalesce_usecs;
1927 } else {
1928 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1929 adapter->itr_setting = adapter->itr & ~3;
1930 }
1931
1932 if (adapter->itr_setting != 0)
1933 ew32(ITR, 1000000000 / (adapter->itr * 256));
1934 else
1935 ew32(ITR, 0);
1936
1937 return 0;
1938}
1939
bc7f75fa
AK		 1940static int e1000_nway_reset(struct net_device *netdev)
1941{
1942 struct e1000_adapter *adapter = netdev_priv(netdev);
1943 if (netif_running(netdev))
1944 e1000e_reinit_locked(adapter);
1945 return 0;
1946}
1947
bc7f75fa
AK		 1948static void e1000_get_ethtool_stats(struct net_device *netdev,
1949 struct ethtool_stats *stats,
1950 u64 *data)
1951{
1952 struct e1000_adapter *adapter = netdev_priv(netdev);
1953 int i;
e0f36a95 1954 char *p = NULL;
bc7f75fa
AK		 1955
1956 e1000e_update_stats(adapter);
1957 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1958 switch (e1000_gstrings_stats[i].type) {
1959 case NETDEV_STATS:
1960 p = (char *) netdev +
1961 e1000_gstrings_stats[i].stat_offset;
1962 break;
1963 case E1000_STATS:
1964 p = (char *) adapter +
1965 e1000_gstrings_stats[i].stat_offset;
1966 break;
1967 }
1968
bc7f75fa
AK		 1969 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1970 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1971 }
1972}
1973
1974static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1975 u8 *data)
1976{
1977 u8 *p = data;
1978 int i;
1979
1980 switch (stringset) {
1981 case ETH_SS_TEST:
ad68076e 1982 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 1983 break;
1984 case ETH_SS_STATS:
1985 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1986 memcpy(p, e1000_gstrings_stats[i].stat_string,
1987 ETH_GSTRING_LEN);
1988 p += ETH_GSTRING_LEN;
1989 }
1990 break;
1991 }
1992}
1993
1994static const struct ethtool_ops e1000_ethtool_ops = {
1995 .get_settings = e1000_get_settings,
1996 .set_settings = e1000_set_settings,
1997 .get_drvinfo = e1000_get_drvinfo,
1998 .get_regs_len = e1000_get_regs_len,
1999 .get_regs = e1000_get_regs,
2000 .get_wol = e1000_get_wol,
2001 .set_wol = e1000_set_wol,
2002 .get_msglevel = e1000_get_msglevel,
2003 .set_msglevel = e1000_set_msglevel,
2004 .nway_reset = e1000_nway_reset,
369d742d 2005 .get_link = e1000_get_link,
bc7f75fa
AK		 2006 .get_eeprom_len = e1000_get_eeprom_len,
2007 .get_eeprom = e1000_get_eeprom,
2008 .set_eeprom = e1000_set_eeprom,
2009 .get_ringparam = e1000_get_ringparam,
2010 .set_ringparam = e1000_set_ringparam,
2011 .get_pauseparam = e1000_get_pauseparam,
2012 .set_pauseparam = e1000_set_pauseparam,
2013 .get_rx_csum = e1000_get_rx_csum,
2014 .set_rx_csum = e1000_set_rx_csum,
2015 .get_tx_csum = e1000_get_tx_csum,
2016 .set_tx_csum = e1000_set_tx_csum,
2017 .get_sg = ethtool_op_get_sg,
2018 .set_sg = ethtool_op_set_sg,
2019 .get_tso = ethtool_op_get_tso,
2020 .set_tso = e1000_set_tso,
bc7f75fa
AK		 2021 .self_test = e1000_diag_test,
2022 .get_strings = e1000_get_strings,
2023 .phys_id = e1000_phys_id,
bc7f75fa 2024 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2025 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2026 .get_coalesce = e1000_get_coalesce,
2027 .set_coalesce = e1000_set_coalesce,
e7d906f7
BA		 2028 .get_flags = ethtool_op_get_flags,
2029 .set_flags = ethtool_op_set_flags,
bc7f75fa
AK		 2030};
2031
2032void e1000e_set_ethtool_ops(struct net_device *netdev)
2033{
2034 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2035}