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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[people/arne_f/kernel.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
44defeb3 415 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
bc7f75fa
AK		 416 adapter->flags |= FLAG_TSO_FORCE;
417 return 0;
418}
419
420static u32 e1000_get_msglevel(struct net_device *netdev)
421{
422 struct e1000_adapter *adapter = netdev_priv(netdev);
423 return adapter->msg_enable;
424}
425
426static void e1000_set_msglevel(struct net_device *netdev, u32 data)
427{
428 struct e1000_adapter *adapter = netdev_priv(netdev);
429 adapter->msg_enable = data;
430}
431
432static int e1000_get_regs_len(struct net_device *netdev)
433{
434#define E1000_REGS_LEN 32 /* overestimate */
435 return E1000_REGS_LEN * sizeof(u32);
436}
437
438static void e1000_get_regs(struct net_device *netdev,
439 struct ethtool_regs *regs, void *p)
440{
441 struct e1000_adapter *adapter = netdev_priv(netdev);
442 struct e1000_hw *hw = &adapter->hw;
443 u32 *regs_buff = p;
444 u16 phy_data;
445 u8 revision_id;
446
447 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
448
449 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
450
451 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
452
453 regs_buff[0] = er32(CTRL);
454 regs_buff[1] = er32(STATUS);
455
456 regs_buff[2] = er32(RCTL);
457 regs_buff[3] = er32(RDLEN);
458 regs_buff[4] = er32(RDH);
459 regs_buff[5] = er32(RDT);
460 regs_buff[6] = er32(RDTR);
461
462 regs_buff[7] = er32(TCTL);
463 regs_buff[8] = er32(TDLEN);
464 regs_buff[9] = er32(TDH);
465 regs_buff[10] = er32(TDT);
466 regs_buff[11] = er32(TIDV);
467
468 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 469
470 /* ethtool doesn't use anything past this point, so all this
471 * code is likely legacy junk for apps that may or may not
472 * exist */
bc7f75fa
AK		 473 if (hw->phy.type == e1000_phy_m88) {
474 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
475 regs_buff[13] = (u32)phy_data; /* cable length */
476 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
477 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
478 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
479 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
480 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
481 regs_buff[18] = regs_buff[13]; /* cable polarity */
482 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
483 regs_buff[20] = regs_buff[17]; /* polarity correction */
484 /* phy receive errors */
485 regs_buff[22] = adapter->phy_stats.receive_errors;
486 regs_buff[23] = regs_buff[13]; /* mdix mode */
487 }
23033fad 488 regs_buff[21] = 0; /* was idle_errors */
bc7f75fa
AK		 489 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
490 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
491 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
492}
493
494static int e1000_get_eeprom_len(struct net_device *netdev)
495{
496 struct e1000_adapter *adapter = netdev_priv(netdev);
497 return adapter->hw.nvm.word_size * 2;
498}
499
500static int e1000_get_eeprom(struct net_device *netdev,
501 struct ethtool_eeprom *eeprom, u8 *bytes)
502{
503 struct e1000_adapter *adapter = netdev_priv(netdev);
504 struct e1000_hw *hw = &adapter->hw;
505 u16 *eeprom_buff;
506 int first_word;
507 int last_word;
508 int ret_val = 0;
509 u16 i;
510
511 if (eeprom->len == 0)
512 return -EINVAL;
513
514 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
515
516 first_word = eeprom->offset >> 1;
517 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
518
519 eeprom_buff = kmalloc(sizeof(u16) *
520 (last_word - first_word + 1), GFP_KERNEL);
521 if (!eeprom_buff)
522 return -ENOMEM;
523
524 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
525 ret_val = e1000_read_nvm(hw, first_word,
526 last_word - first_word + 1,
527 eeprom_buff);
528 } else {
529 for (i = 0; i < last_word - first_word + 1; i++) {
530 ret_val = e1000_read_nvm(hw, first_word + i, 1,
531 &eeprom_buff[i]);
e243455d 532 if (ret_val)
bc7f75fa
AK		 533 break;
534 }
535 }
536
e243455d
BA		 537 if (ret_val) {
538 /* a read error occurred, throw away the result */
8528b016
RK		 539 memset(eeprom_buff, 0xff, sizeof(u16) *
540 (last_word - first_word + 1));
e243455d
BA		 541 } else {
542 /* Device's eeprom is always little-endian, word addressable */
543 for (i = 0; i < last_word - first_word + 1; i++)
544 le16_to_cpus(&eeprom_buff[i]);
545 }
bc7f75fa
AK		 546
547 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
548 kfree(eeprom_buff);
549
550 return ret_val;
551}
552
553static int e1000_set_eeprom(struct net_device *netdev,
554 struct ethtool_eeprom *eeprom, u8 *bytes)
555{
556 struct e1000_adapter *adapter = netdev_priv(netdev);
557 struct e1000_hw *hw = &adapter->hw;
558 u16 *eeprom_buff;
559 void *ptr;
560 int max_len;
561 int first_word;
562 int last_word;
563 int ret_val = 0;
564 u16 i;
565
566 if (eeprom->len == 0)
567 return -EOPNOTSUPP;
568
569 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
570 return -EFAULT;
571
4a770358
BA		 572 if (adapter->flags & FLAG_READ_ONLY_NVM)
573 return -EINVAL;
574
bc7f75fa
AK		 575 max_len = hw->nvm.word_size * 2;
576
577 first_word = eeprom->offset >> 1;
578 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
579 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
580 if (!eeprom_buff)
581 return -ENOMEM;
582
583 ptr = (void *)eeprom_buff;
584
585 if (eeprom->offset & 1) {
586 /* need read/modify/write of first changed EEPROM word */
587 /* only the second byte of the word is being modified */
588 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
589 ptr++;
590 }
591 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
592 /* need read/modify/write of last changed EEPROM word */
593 /* only the first byte of the word is being modified */
594 ret_val = e1000_read_nvm(hw, last_word, 1,
595 &eeprom_buff[last_word - first_word]);
596
e243455d
BA		 597 if (ret_val)
598 goto out;
599
bc7f75fa
AK		 600 /* Device's eeprom is always little-endian, word addressable */
601 for (i = 0; i < last_word - first_word + 1; i++)
602 le16_to_cpus(&eeprom_buff[i]);
603
604 memcpy(ptr, bytes, eeprom->len);
605
606 for (i = 0; i < last_word - first_word + 1; i++)
607 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
608
609 ret_val = e1000_write_nvm(hw, first_word,
610 last_word - first_word + 1, eeprom_buff);
611
e243455d
BA		 612 if (ret_val)
613 goto out;
614
ad68076e
BA		 615 /*
616 * Update the checksum over the first part of the EEPROM if needed
e243455d 617 * and flush shadow RAM for applicable controllers
ad68076e 618 */
e243455d 619 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 620 (hw->mac.type == e1000_82583) ||
621 (hw->mac.type == e1000_82574) ||
622 (hw->mac.type == e1000_82573))
e243455d 623 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 624
e243455d 625out:
bc7f75fa
AK		 626 kfree(eeprom_buff);
627 return ret_val;
628}
629
630static void e1000_get_drvinfo(struct net_device *netdev,
631 struct ethtool_drvinfo *drvinfo)
632{
633 struct e1000_adapter *adapter = netdev_priv(netdev);
634 char firmware_version[32];
bc7f75fa
AK		 635
636 strncpy(drvinfo->driver, e1000e_driver_name, 32);
637 strncpy(drvinfo->version, e1000e_driver_version, 32);
638
ad68076e
BA		 639 /*
640 * EEPROM image version # is reported as firmware version # for
641 * PCI-E controllers
642 */
bc7f75fa 643 sprintf(firmware_version, "%d.%d-%d",
84527590
BA		 644 (adapter->eeprom_vers & 0xF000) >> 12,
645 (adapter->eeprom_vers & 0x0FF0) >> 4,
646 (adapter->eeprom_vers & 0x000F));
bc7f75fa
AK		 647
648 strncpy(drvinfo->fw_version, firmware_version, 32);
649 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 650 drvinfo->regdump_len = e1000_get_regs_len(netdev);
651 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
652}
653
654static void e1000_get_ringparam(struct net_device *netdev,
655 struct ethtool_ringparam *ring)
656{
657 struct e1000_adapter *adapter = netdev_priv(netdev);
658 struct e1000_ring *tx_ring = adapter->tx_ring;
659 struct e1000_ring *rx_ring = adapter->rx_ring;
660
661 ring->rx_max_pending = E1000_MAX_RXD;
662 ring->tx_max_pending = E1000_MAX_TXD;
663 ring->rx_mini_max_pending = 0;
664 ring->rx_jumbo_max_pending = 0;
665 ring->rx_pending = rx_ring->count;
666 ring->tx_pending = tx_ring->count;
667 ring->rx_mini_pending = 0;
668 ring->rx_jumbo_pending = 0;
669}
670
671static int e1000_set_ringparam(struct net_device *netdev,
672 struct ethtool_ringparam *ring)
673{
674 struct e1000_adapter *adapter = netdev_priv(netdev);
675 struct e1000_ring *tx_ring, *tx_old;
676 struct e1000_ring *rx_ring, *rx_old;
677 int err;
678
679 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
680 return -EINVAL;
681
682 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
683 msleep(1);
684
685 if (netif_running(adapter->netdev))
686 e1000e_down(adapter);
687
688 tx_old = adapter->tx_ring;
689 rx_old = adapter->rx_ring;
690
691 err = -ENOMEM;
692 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
693 if (!tx_ring)
694 goto err_alloc_tx;
cef8c793
BA		 695 /*
696 * use a memcpy to save any previously configured
697 * items like napi structs from having to be
698 * reinitialized
699 */
700 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 701
702 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
703 if (!rx_ring)
704 goto err_alloc_rx;
cef8c793 705 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 706
707 adapter->tx_ring = tx_ring;
708 adapter->rx_ring = rx_ring;
709
710 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
711 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
712 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
713
714 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
715 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
716 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
717
718 if (netif_running(adapter->netdev)) {
719 /* Try to get new resources before deleting old */
720 err = e1000e_setup_rx_resources(adapter);
721 if (err)
722 goto err_setup_rx;
723 err = e1000e_setup_tx_resources(adapter);
724 if (err)
725 goto err_setup_tx;
726
ad68076e
BA		 727 /*
728 * restore the old in order to free it,
729 * then add in the new
730 */
bc7f75fa
AK		 731 adapter->rx_ring = rx_old;
732 adapter->tx_ring = tx_old;
733 e1000e_free_rx_resources(adapter);
734 e1000e_free_tx_resources(adapter);
735 kfree(tx_old);
736 kfree(rx_old);
737 adapter->rx_ring = rx_ring;
738 adapter->tx_ring = tx_ring;
739 err = e1000e_up(adapter);
740 if (err)
741 goto err_setup;
742 }
743
744 clear_bit(__E1000_RESETTING, &adapter->state);
745 return 0;
746err_setup_tx:
747 e1000e_free_rx_resources(adapter);
748err_setup_rx:
749 adapter->rx_ring = rx_old;
750 adapter->tx_ring = tx_old;
751 kfree(rx_ring);
752err_alloc_rx:
753 kfree(tx_ring);
754err_alloc_tx:
755 e1000e_up(adapter);
756err_setup:
757 clear_bit(__E1000_RESETTING, &adapter->state);
758 return err;
759}
760
cef8c793
BA		 761static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
762 int reg, int offset, u32 mask, u32 write)
2a887191 763{
cef8c793 764 u32 pat, val;
2a887191
JP		 765 static const u32 test[] =
766 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 767 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 768 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 769 (test[pat] & write));
770 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
771 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 772 e_err("pattern test reg %04X failed: got 0x%08X "
773 "expected 0x%08X\n", reg + offset, val,
774 (test[pat] & write & mask));
2a887191 775 *data = reg;
cef8c793 776 return 1;
2a887191
JP		 777 }
778 }
cef8c793 779 return 0;
bc7f75fa
AK		 780}
781
2a887191
JP		 782static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
783 int reg, u32 mask, u32 write)
784{
cef8c793 785 u32 val;
2a887191 786 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 787 val = __er32(&adapter->hw, reg);
788 if ((write & mask) != (val & mask)) {
44defeb3
JK		 789 e_err("set/check reg %04X test failed: got 0x%08X "
790 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 791 *data = reg;
cef8c793 792 return 1;
2a887191 793 }
cef8c793 794 return 0;
bc7f75fa 795}
cef8c793
BA		 796#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
797 do { \
798 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
799 return 1; \
2a887191 800 } while (0)
cef8c793
BA		 801#define REG_PATTERN_TEST(reg, mask, write) \
802 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 803
cef8c793
BA		 804#define REG_SET_AND_CHECK(reg, mask, write) \
805 do { \
806 if (reg_set_and_check(adapter, data, reg, mask, write)) \
807 return 1; \
2a887191
JP		 808 } while (0)
809
bc7f75fa
AK		 810static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
811{
812 struct e1000_hw *hw = &adapter->hw;
813 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 814 u32 value;
815 u32 before;
816 u32 after;
817 u32 i;
818 u32 toggle;
a4f58f54 819 u32 mask;
bc7f75fa 820
ad68076e
BA		 821 /*
822 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 823 * Some bits that get toggled are ignored.
824 */
825 switch (mac->type) {
826 /* there are several bits on newer hardware that are r/w */
827 case e1000_82571:
828 case e1000_82572:
829 case e1000_80003es2lan:
830 toggle = 0x7FFFF3FF;
831 break;
a4f58f54 832 default:
bc7f75fa
AK		 833 toggle = 0x7FFFF033;
834 break;
bc7f75fa
AK		 835 }
836
837 before = er32(STATUS);
838 value = (er32(STATUS) & toggle);
839 ew32(STATUS, toggle);
840 after = er32(STATUS) & toggle;
841 if (value != after) {
44defeb3
JK		 842 e_err("failed STATUS register test got: 0x%08X expected: "
843 "0x%08X\n", after, value);
bc7f75fa
AK		 844 *data = 1;
845 return 1;
846 }
847 /* restore previous status */
848 ew32(STATUS, before);
849
97ac8cae 850 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 851 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
852 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
853 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
854 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
855 }
856
857 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
858 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
859 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
860 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
861 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
862 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
863 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
864 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
865 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
866 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
867
868 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
869
97ac8cae 870 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 871 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
872 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
873
8658251d
AK		 874 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
875 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 876 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 877 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
878 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
879 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 880 mask = 0x8003FFFF;
881 switch (mac->type) {
882 case e1000_ich10lan:
883 case e1000_pchlan:
884 mask |= (1 << 18);
885 break;
886 default:
887 break;
888 }
8658251d
AK		 889 for (i = 0; i < mac->rar_entry_count; i++)
890 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
a4f58f54 891 mask, 0xFFFFFFFF);
bc7f75fa
AK		 892
893 for (i = 0; i < mac->mta_reg_count; i++)
894 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
895
896 *data = 0;
897 return 0;
898}
899
900static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
901{
902 u16 temp;
903 u16 checksum = 0;
904 u16 i;
905
906 *data = 0;
907 /* Read and add up the contents of the EEPROM */
908 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
909 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
910 *data = 1;
e243455d 911 return *data;
bc7f75fa
AK		 912 }
913 checksum += temp;
914 }
915
916 /* If Checksum is not Correct return error else test passed */
917 if ((checksum != (u16) NVM_SUM) && !(*data))
918 *data = 2;
919
920 return *data;
921}
922
923static irqreturn_t e1000_test_intr(int irq, void *data)
924{
925 struct net_device *netdev = (struct net_device *) data;
926 struct e1000_adapter *adapter = netdev_priv(netdev);
927 struct e1000_hw *hw = &adapter->hw;
928
929 adapter->test_icr |= er32(ICR);
930
931 return IRQ_HANDLED;
932}
933
934static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
935{
936 struct net_device *netdev = adapter->netdev;
937 struct e1000_hw *hw = &adapter->hw;
938 u32 mask;
939 u32 shared_int = 1;
940 u32 irq = adapter->pdev->irq;
941 int i;
4662e82b
BA		 942 int ret_val = 0;
943 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 944
945 *data = 0;
946
4662e82b
BA		 947 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
948 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
949 int_mode = adapter->int_mode;
950 e1000e_reset_interrupt_capability(adapter);
951 adapter->int_mode = E1000E_INT_MODE_LEGACY;
952 e1000e_set_interrupt_capability(adapter);
953 }
bc7f75fa 954 /* Hook up test interrupt handler just for this test */
a0607fd3 955 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 956 netdev)) {
957 shared_int = 0;
a0607fd3 958 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
bc7f75fa
AK		 959 netdev->name, netdev)) {
960 *data = 1;
4662e82b
BA		 961 ret_val = -1;
962 goto out;
bc7f75fa 963 }
44defeb3 964 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 965
966 /* Disable all the interrupts */
967 ew32(IMC, 0xFFFFFFFF);
968 msleep(10);
969
970 /* Test each interrupt */
971 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 972 /* Interrupt to test */
973 mask = 1 << i;
974
f4187b56
BA		 975 if (adapter->flags & FLAG_IS_ICH) {
976 switch (mask) {
977 case E1000_ICR_RXSEQ:
978 continue;
979 case 0x00000100:
980 if (adapter->hw.mac.type == e1000_ich8lan ||
981 adapter->hw.mac.type == e1000_ich9lan)
982 continue;
983 break;
984 default:
985 break;
986 }
987 }
988
bc7f75fa 989 if (!shared_int) {
ad68076e
BA		 990 /*
991 * Disable the interrupt to be reported in
bc7f75fa
AK		 992 * the cause register and then force the same
993 * interrupt and see if one gets posted. If
994 * an interrupt was posted to the bus, the
995 * test failed.
996 */
997 adapter->test_icr = 0;
998 ew32(IMC, mask);
999 ew32(ICS, mask);
1000 msleep(10);
1001
1002 if (adapter->test_icr & mask) {
1003 *data = 3;
1004 break;
1005 }
1006 }
1007
ad68076e
BA		 1008 /*
1009 * Enable the interrupt to be reported in
bc7f75fa
AK		 1010 * the cause register and then force the same
1011 * interrupt and see if one gets posted. If
1012 * an interrupt was not posted to the bus, the
1013 * test failed.
1014 */
1015 adapter->test_icr = 0;
1016 ew32(IMS, mask);
1017 ew32(ICS, mask);
1018 msleep(10);
1019
1020 if (!(adapter->test_icr & mask)) {
1021 *data = 4;
1022 break;
1023 }
1024
1025 if (!shared_int) {
ad68076e
BA		 1026 /*
1027 * Disable the other interrupts to be reported in
bc7f75fa
AK		 1028 * the cause register and then force the other
1029 * interrupts and see if any get posted. If
1030 * an interrupt was posted to the bus, the
1031 * test failed.
1032 */
1033 adapter->test_icr = 0;
1034 ew32(IMC, ~mask & 0x00007FFF);
1035 ew32(ICS, ~mask & 0x00007FFF);
1036 msleep(10);
1037
1038 if (adapter->test_icr) {
1039 *data = 5;
1040 break;
1041 }
1042 }
1043 }
1044
1045 /* Disable all the interrupts */
1046 ew32(IMC, 0xFFFFFFFF);
1047 msleep(10);
1048
1049 /* Unhook test interrupt handler */
1050 free_irq(irq, netdev);
1051
4662e82b
BA		 1052out:
1053 if (int_mode == E1000E_INT_MODE_MSIX) {
1054 e1000e_reset_interrupt_capability(adapter);
1055 adapter->int_mode = int_mode;
1056 e1000e_set_interrupt_capability(adapter);
1057 }
1058
1059 return ret_val;
bc7f75fa
AK		 1060}
1061
1062static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1063{
1064 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1065 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1066 struct pci_dev *pdev = adapter->pdev;
1067 int i;
1068
1069 if (tx_ring->desc && tx_ring->buffer_info) {
1070 for (i = 0; i < tx_ring->count; i++) {
1071 if (tx_ring->buffer_info[i].dma)
1072 pci_unmap_single(pdev,
1073 tx_ring->buffer_info[i].dma,
1074 tx_ring->buffer_info[i].length,
1075 PCI_DMA_TODEVICE);
1076 if (tx_ring->buffer_info[i].skb)
1077 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1078 }
1079 }
1080
1081 if (rx_ring->desc && rx_ring->buffer_info) {
1082 for (i = 0; i < rx_ring->count; i++) {
1083 if (rx_ring->buffer_info[i].dma)
1084 pci_unmap_single(pdev,
1085 rx_ring->buffer_info[i].dma,
1086 2048, PCI_DMA_FROMDEVICE);
1087 if (rx_ring->buffer_info[i].skb)
1088 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1089 }
1090 }
1091
1092 if (tx_ring->desc) {
1093 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1094 tx_ring->dma);
1095 tx_ring->desc = NULL;
1096 }
1097 if (rx_ring->desc) {
1098 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1099 rx_ring->dma);
1100 rx_ring->desc = NULL;
1101 }
1102
1103 kfree(tx_ring->buffer_info);
1104 tx_ring->buffer_info = NULL;
1105 kfree(rx_ring->buffer_info);
1106 rx_ring->buffer_info = NULL;
1107}
1108
1109static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1110{
1111 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1112 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1113 struct pci_dev *pdev = adapter->pdev;
1114 struct e1000_hw *hw = &adapter->hw;
1115 u32 rctl;
bc7f75fa
AK		 1116 int i;
1117 int ret_val;
1118
1119 /* Setup Tx descriptor ring and Tx buffers */
1120
1121 if (!tx_ring->count)
1122 tx_ring->count = E1000_DEFAULT_TXD;
1123
cef8c793
BA		 1124 tx_ring->buffer_info = kcalloc(tx_ring->count,
1125 sizeof(struct e1000_buffer),
1126 GFP_KERNEL);
1127 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1128 ret_val = 1;
1129 goto err_nomem;
1130 }
bc7f75fa
AK		 1131
1132 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1133 tx_ring->size = ALIGN(tx_ring->size, 4096);
1134 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1135 &tx_ring->dma, GFP_KERNEL);
1136 if (!tx_ring->desc) {
1137 ret_val = 2;
1138 goto err_nomem;
1139 }
bc7f75fa
AK		 1140 tx_ring->next_to_use = 0;
1141 tx_ring->next_to_clean = 0;
1142
cef8c793 1143 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1144 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1145 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1146 ew32(TDH, 0);
1147 ew32(TDT, 0);
cef8c793
BA		 1148 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1149 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1150 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1151
1152 for (i = 0; i < tx_ring->count; i++) {
1153 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1154 struct sk_buff *skb;
1155 unsigned int skb_size = 1024;
1156
1157 skb = alloc_skb(skb_size, GFP_KERNEL);
1158 if (!skb) {
1159 ret_val = 3;
1160 goto err_nomem;
1161 }
1162 skb_put(skb, skb_size);
1163 tx_ring->buffer_info[i].skb = skb;
1164 tx_ring->buffer_info[i].length = skb->len;
1165 tx_ring->buffer_info[i].dma =
1166 pci_map_single(pdev, skb->data, skb->len,
1167 PCI_DMA_TODEVICE);
8d8bb39b 1168 if (pci_dma_mapping_error(pdev, 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 =
1229 pci_map_single(pdev, skb->data, 2048,
1230 PCI_DMA_FROMDEVICE);
8d8bb39b 1231 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1232 ret_val = 8;
1233 goto err_nomem;
1234 }
1235 rx_desc->buffer_addr =
1236 cpu_to_le64(rx_ring->buffer_info[i].dma);
1237 memset(skb->data, 0x00, skb->len);
1238 }
1239
1240 return 0;
1241
1242err_nomem:
1243 e1000_free_desc_rings(adapter);
1244 return ret_val;
1245}
1246
1247static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1248{
1249 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1250 e1e_wphy(&adapter->hw, 29, 0x001F);
1251 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1252 e1e_wphy(&adapter->hw, 29, 0x001A);
1253 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1254}
1255
1256static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1257{
1258 struct e1000_hw *hw = &adapter->hw;
1259 u32 ctrl_reg = 0;
1260 u32 stat_reg = 0;
97ac8cae 1261 u16 phy_reg = 0;
bc7f75fa 1262
318a94d6 1263 hw->mac.autoneg = 0;
bc7f75fa 1264
bb436b20
BA		 1265 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1266 if (hw->mac.type == e1000_pchlan)
1267 e1000_configure_k1_ich8lan(hw, false);
1268
318a94d6 1269 if (hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1270 /* Auto-MDI/MDIX Off */
1271 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1272 /* reset to update Auto-MDI/MDIX */
1273 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1274 /* autoneg off */
1275 e1e_wphy(hw, PHY_CONTROL, 0x8140);
318a94d6 1276 } else if (hw->phy.type == e1000_phy_gg82563)
bc7f75fa
AK		 1277 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1278
1279 ctrl_reg = er32(CTRL);
1280
cef8c793
BA		 1281 switch (hw->phy.type) {
1282 case e1000_phy_ife:
bc7f75fa
AK		 1283 /* force 100, set loopback */
1284 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1285
1286 /* Now set up the MAC to the same speed/duplex as the PHY. */
1287 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1288 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1289 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1290 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1291 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1292 break;
97ac8cae
BA		 1293 case e1000_phy_bm:
1294 /* Set Default MAC Interface speed to 1GB */
1295 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1296 phy_reg &= ~0x0007;
1297 phy_reg |= 0x006;
1298 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1299 /* Assert SW reset for above settings to take effect */
1300 e1000e_commit_phy(hw);
1301 mdelay(1);
1302 /* Force Full Duplex */
1303 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1304 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1305 /* Set Link Up (in force link) */
1306 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1307 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1308 /* Force Link */
1309 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1310 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1311 /* Set Early Link Enable */
1312 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1313 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1314 /* fall through */
cef8c793 1315 default:
bc7f75fa
AK		 1316 /* force 1000, set loopback */
1317 e1e_wphy(hw, PHY_CONTROL, 0x4140);
cef8c793 1318 mdelay(250);
bc7f75fa
AK		 1319
1320 /* Now set up the MAC to the same speed/duplex as the PHY. */
1321 ctrl_reg = er32(CTRL);
1322 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1323 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1324 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1325 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1326 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1327
97ac8cae 1328 if (adapter->flags & FLAG_IS_ICH)
cef8c793 1329 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa
AK		 1330 }
1331
318a94d6
JK		 1332 if (hw->phy.media_type == e1000_media_type_copper &&
1333 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1334 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1335 } else {
ad68076e
BA		 1336 /*
1337 * Set the ILOS bit on the fiber Nic if half duplex link is
1338 * detected.
1339 */
bc7f75fa
AK		 1340 stat_reg = er32(STATUS);
1341 if ((stat_reg & E1000_STATUS_FD) == 0)
1342 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1343 }
1344
1345 ew32(CTRL, ctrl_reg);
1346
ad68076e
BA		 1347 /*
1348 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1349 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1350 */
318a94d6 1351 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1352 e1000_phy_disable_receiver(adapter);
1353
1354 udelay(500);
1355
1356 return 0;
1357}
1358
1359static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1360{
1361 struct e1000_hw *hw = &adapter->hw;
1362 u32 ctrl = er32(CTRL);
1363 int link = 0;
1364
1365 /* special requirements for 82571/82572 fiber adapters */
1366
ad68076e
BA		 1367 /*
1368 * jump through hoops to make sure link is up because serdes
1369 * link is hardwired up
1370 */
bc7f75fa
AK		 1371 ctrl |= E1000_CTRL_SLU;
1372 ew32(CTRL, ctrl);
1373
1374 /* disable autoneg */
1375 ctrl = er32(TXCW);
1376 ctrl &= ~(1 << 31);
1377 ew32(TXCW, ctrl);
1378
1379 link = (er32(STATUS) & E1000_STATUS_LU);
1380
1381 if (!link) {
1382 /* set invert loss of signal */
1383 ctrl = er32(CTRL);
1384 ctrl |= E1000_CTRL_ILOS;
1385 ew32(CTRL, ctrl);
1386 }
1387
ad68076e
BA		 1388 /*
1389 * special write to serdes control register to enable SerDes analog
1390 * loopback
1391 */
bc7f75fa
AK		 1392#define E1000_SERDES_LB_ON 0x410
1393 ew32(SCTL, E1000_SERDES_LB_ON);
1394 msleep(10);
1395
1396 return 0;
1397}
1398
1399/* only call this for fiber/serdes connections to es2lan */
1400static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1401{
1402 struct e1000_hw *hw = &adapter->hw;
1403 u32 ctrlext = er32(CTRL_EXT);
1404 u32 ctrl = er32(CTRL);
1405
ad68076e
BA		 1406 /*
1407 * save CTRL_EXT to restore later, reuse an empty variable (unused
1408 * on mac_type 80003es2lan)
1409 */
bc7f75fa
AK		 1410 adapter->tx_fifo_head = ctrlext;
1411
1412 /* clear the serdes mode bits, putting the device into mac loopback */
1413 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1414 ew32(CTRL_EXT, ctrlext);
1415
1416 /* force speed to 1000/FD, link up */
1417 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1418 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1419 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1420 ew32(CTRL, ctrl);
1421
1422 /* set mac loopback */
1423 ctrl = er32(RCTL);
1424 ctrl |= E1000_RCTL_LBM_MAC;
1425 ew32(RCTL, ctrl);
1426
1427 /* set testing mode parameters (no need to reset later) */
1428#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1429#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1430 ew32(KMRNCTRLSTA,
cef8c793 1431 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1432
1433 return 0;
1434}
1435
1436static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1437{
1438 struct e1000_hw *hw = &adapter->hw;
1439 u32 rctl;
1440
318a94d6
JK		 1441 if (hw->phy.media_type == e1000_media_type_fiber ||
1442 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1443 switch (hw->mac.type) {
1444 case e1000_80003es2lan:
1445 return e1000_set_es2lan_mac_loopback(adapter);
1446 break;
1447 case e1000_82571:
1448 case e1000_82572:
1449 return e1000_set_82571_fiber_loopback(adapter);
1450 break;
1451 default:
1452 rctl = er32(RCTL);
1453 rctl |= E1000_RCTL_LBM_TCVR;
1454 ew32(RCTL, rctl);
1455 return 0;
1456 }
318a94d6 1457 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1458 return e1000_integrated_phy_loopback(adapter);
1459 }
1460
1461 return 7;
1462}
1463
1464static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1465{
1466 struct e1000_hw *hw = &adapter->hw;
1467 u32 rctl;
1468 u16 phy_reg;
1469
1470 rctl = er32(RCTL);
1471 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1472 ew32(RCTL, rctl);
1473
1474 switch (hw->mac.type) {
1475 case e1000_80003es2lan:
318a94d6
JK		 1476 if (hw->phy.media_type == e1000_media_type_fiber ||
1477 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1478 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1479 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1480 adapter->tx_fifo_head = 0;
1481 }
1482 /* fall through */
1483 case e1000_82571:
1484 case e1000_82572:
318a94d6
JK		 1485 if (hw->phy.media_type == e1000_media_type_fiber ||
1486 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1487#define E1000_SERDES_LB_OFF 0x400
1488 ew32(SCTL, E1000_SERDES_LB_OFF);
1489 msleep(10);
1490 break;
1491 }
1492 /* Fall Through */
1493 default:
1494 hw->mac.autoneg = 1;
1495 if (hw->phy.type == e1000_phy_gg82563)
1496 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1497 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1498 if (phy_reg & MII_CR_LOOPBACK) {
1499 phy_reg &= ~MII_CR_LOOPBACK;
1500 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1501 e1000e_commit_phy(hw);
1502 }
1503 break;
1504 }
1505}
1506
1507static void e1000_create_lbtest_frame(struct sk_buff *skb,
1508 unsigned int frame_size)
1509{
1510 memset(skb->data, 0xFF, frame_size);
1511 frame_size &= ~1;
1512 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1513 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1514 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1515}
1516
1517static int e1000_check_lbtest_frame(struct sk_buff *skb,
1518 unsigned int frame_size)
1519{
1520 frame_size &= ~1;
1521 if (*(skb->data + 3) == 0xFF)
1522 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1523 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1524 return 0;
1525 return 13;
1526}
1527
1528static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1529{
1530 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1531 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1532 struct pci_dev *pdev = adapter->pdev;
1533 struct e1000_hw *hw = &adapter->hw;
1534 int i, j, k, l;
1535 int lc;
1536 int good_cnt;
1537 int ret_val = 0;
1538 unsigned long time;
1539
1540 ew32(RDT, rx_ring->count - 1);
1541
ad68076e
BA		 1542 /*
1543 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1544 * The idea is to wrap the largest ring a number of times using 64
1545 * send/receive pairs during each loop
1546 */
1547
1548 if (rx_ring->count <= tx_ring->count)
1549 lc = ((tx_ring->count / 64) * 2) + 1;
1550 else
1551 lc = ((rx_ring->count / 64) * 2) + 1;
1552
1553 k = 0;
1554 l = 0;
1555 for (j = 0; j <= lc; j++) { /* loop count loop */
1556 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1557 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1558 1024);
bc7f75fa
AK		 1559 pci_dma_sync_single_for_device(pdev,
1560 tx_ring->buffer_info[k].dma,
1561 tx_ring->buffer_info[k].length,
1562 PCI_DMA_TODEVICE);
1563 k++;
1564 if (k == tx_ring->count)
1565 k = 0;
1566 }
1567 ew32(TDT, k);
1568 msleep(200);
1569 time = jiffies; /* set the start time for the receive */
1570 good_cnt = 0;
1571 do { /* receive the sent packets */
1572 pci_dma_sync_single_for_cpu(pdev,
1573 rx_ring->buffer_info[l].dma, 2048,
1574 PCI_DMA_FROMDEVICE);
1575
1576 ret_val = e1000_check_lbtest_frame(
1577 rx_ring->buffer_info[l].skb, 1024);
1578 if (!ret_val)
1579 good_cnt++;
1580 l++;
1581 if (l == rx_ring->count)
1582 l = 0;
ad68076e
BA		 1583 /*
1584 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1585 * enough time to complete the receives, if it's
1586 * exceeded, break and error off
1587 */
1588 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1589 if (good_cnt != 64) {
1590 ret_val = 13; /* ret_val is the same as mis-compare */
1591 break;
1592 }
cef8c793 1593 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1594 ret_val = 14; /* error code for time out error */
1595 break;
1596 }
1597 } /* end loop count loop */
1598 return ret_val;
1599}
1600
1601static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1602{
ad68076e
BA		 1603 /*
1604 * PHY loopback cannot be performed if SoL/IDER
1605 * sessions are active
1606 */
bc7f75fa 1607 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1608 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1609 *data = 0;
1610 goto out;
1611 }
1612
1613 *data = e1000_setup_desc_rings(adapter);
e265522c 1614 if (*data)
bc7f75fa
AK		 1615 goto out;
1616
1617 *data = e1000_setup_loopback_test(adapter);
e265522c 1618 if (*data)
bc7f75fa
AK		 1619 goto err_loopback;
1620
1621 *data = e1000_run_loopback_test(adapter);
1622 e1000_loopback_cleanup(adapter);
1623
1624err_loopback:
1625 e1000_free_desc_rings(adapter);
1626out:
1627 return *data;
1628}
1629
1630static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1631{
1632 struct e1000_hw *hw = &adapter->hw;
1633
1634 *data = 0;
318a94d6 1635 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1636 int i = 0;
612e244c 1637 hw->mac.serdes_has_link = false;
bc7f75fa 1638
ad68076e
BA		 1639 /*
1640 * On some blade server designs, link establishment
1641 * could take as long as 2-3 minutes
1642 */
bc7f75fa
AK		 1643 do {
1644 hw->mac.ops.check_for_link(hw);
1645 if (hw->mac.serdes_has_link)
1646 return *data;
1647 msleep(20);
1648 } while (i++ < 3750);
1649
1650 *data = 1;
1651 } else {
1652 hw->mac.ops.check_for_link(hw);
1653 if (hw->mac.autoneg)
1654 msleep(4000);
1655
1656 if (!(er32(STATUS) &
1657 E1000_STATUS_LU))
1658 *data = 1;
1659 }
1660 return *data;
1661}
1662
b9f2c044 1663static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1664{
b9f2c044
JG		 1665 switch (sset) {
1666 case ETH_SS_TEST:
1667 return E1000_TEST_LEN;
1668 case ETH_SS_STATS:
1669 return E1000_STATS_LEN;
1670 default:
1671 return -EOPNOTSUPP;
1672 }
bc7f75fa
AK		 1673}
1674
1675static void e1000_diag_test(struct net_device *netdev,
1676 struct ethtool_test *eth_test, u64 *data)
1677{
1678 struct e1000_adapter *adapter = netdev_priv(netdev);
1679 u16 autoneg_advertised;
1680 u8 forced_speed_duplex;
1681 u8 autoneg;
1682 bool if_running = netif_running(netdev);
1683
1684 set_bit(__E1000_TESTING, &adapter->state);
1685 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1686 /* Offline tests */
1687
1688 /* save speed, duplex, autoneg settings */
1689 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1690 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1691 autoneg = adapter->hw.mac.autoneg;
1692
44defeb3 1693 e_info("offline testing starting\n");
bc7f75fa 1694
ad68076e
BA		 1695 /*
1696 * Link test performed before hardware reset so autoneg doesn't
1697 * interfere with test result
1698 */
bc7f75fa
AK		 1699 if (e1000_link_test(adapter, &data[4]))
1700 eth_test->flags |= ETH_TEST_FL_FAILED;
1701
1702 if (if_running)
1703 /* indicate we're in test mode */
1704 dev_close(netdev);
1705 else
1706 e1000e_reset(adapter);
1707
1708 if (e1000_reg_test(adapter, &data[0]))
1709 eth_test->flags |= ETH_TEST_FL_FAILED;
1710
1711 e1000e_reset(adapter);
1712 if (e1000_eeprom_test(adapter, &data[1]))
1713 eth_test->flags |= ETH_TEST_FL_FAILED;
1714
1715 e1000e_reset(adapter);
1716 if (e1000_intr_test(adapter, &data[2]))
1717 eth_test->flags |= ETH_TEST_FL_FAILED;
1718
1719 e1000e_reset(adapter);
1720 /* make sure the phy is powered up */
1721 e1000e_power_up_phy(adapter);
1722 if (e1000_loopback_test(adapter, &data[3]))
1723 eth_test->flags |= ETH_TEST_FL_FAILED;
1724
1725 /* restore speed, duplex, autoneg settings */
1726 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1727 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1728 adapter->hw.mac.autoneg = autoneg;
1729
1730 /* force this routine to wait until autoneg complete/timeout */
318a94d6 1731 adapter->hw.phy.autoneg_wait_to_complete = 1;
bc7f75fa 1732 e1000e_reset(adapter);
318a94d6 1733 adapter->hw.phy.autoneg_wait_to_complete = 0;
bc7f75fa
AK		 1734
1735 clear_bit(__E1000_TESTING, &adapter->state);
1736 if (if_running)
1737 dev_open(netdev);
1738 } else {
44defeb3 1739 e_info("online testing starting\n");
bc7f75fa
AK		 1740 /* Online tests */
1741 if (e1000_link_test(adapter, &data[4]))
1742 eth_test->flags |= ETH_TEST_FL_FAILED;
1743
1744 /* Online tests aren't run; pass by default */
1745 data[0] = 0;
1746 data[1] = 0;
1747 data[2] = 0;
1748 data[3] = 0;
1749
1750 clear_bit(__E1000_TESTING, &adapter->state);
1751 }
1752 msleep_interruptible(4 * 1000);
1753}
1754
1755static void e1000_get_wol(struct net_device *netdev,
1756 struct ethtool_wolinfo *wol)
1757{
1758 struct e1000_adapter *adapter = netdev_priv(netdev);
1759
1760 wol->supported = 0;
1761 wol->wolopts = 0;
1762
6ff68026
RW		 1763 if (!(adapter->flags & FLAG_HAS_WOL) ||
1764 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1765 return;
1766
1767 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1768 WAKE_BCAST | WAKE_MAGIC |
1769 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1770
1771 /* apply any specific unsupported masks here */
1772 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1773 wol->supported &= ~WAKE_UCAST;
1774
1775 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1776 e_err("Interface does not support directed (unicast) "
1777 "frame wake-up packets\n");
bc7f75fa
AK		 1778 }
1779
1780 if (adapter->wol & E1000_WUFC_EX)
1781 wol->wolopts |= WAKE_UCAST;
1782 if (adapter->wol & E1000_WUFC_MC)
1783 wol->wolopts |= WAKE_MCAST;
1784 if (adapter->wol & E1000_WUFC_BC)
1785 wol->wolopts |= WAKE_BCAST;
1786 if (adapter->wol & E1000_WUFC_MAG)
1787 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1788 if (adapter->wol & E1000_WUFC_LNKC)
1789 wol->wolopts |= WAKE_PHY;
1790 if (adapter->wol & E1000_WUFC_ARP)
1791 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1792}
1793
1794static int e1000_set_wol(struct net_device *netdev,
1795 struct ethtool_wolinfo *wol)
1796{
1797 struct e1000_adapter *adapter = netdev_priv(netdev);
1798
6ff68026 1799 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1800 !device_can_wakeup(&adapter->pdev->dev) ||
1801 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1802 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1803 return -EOPNOTSUPP;
bc7f75fa
AK		 1804
1805 /* these settings will always override what we currently have */
1806 adapter->wol = 0;
1807
1808 if (wol->wolopts & WAKE_UCAST)
1809 adapter->wol |= E1000_WUFC_EX;
1810 if (wol->wolopts & WAKE_MCAST)
1811 adapter->wol |= E1000_WUFC_MC;
1812 if (wol->wolopts & WAKE_BCAST)
1813 adapter->wol |= E1000_WUFC_BC;
1814 if (wol->wolopts & WAKE_MAGIC)
1815 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1816 if (wol->wolopts & WAKE_PHY)
1817 adapter->wol |= E1000_WUFC_LNKC;
1818 if (wol->wolopts & WAKE_ARP)
1819 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa 1820
6ff68026
RW		 1821 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1822
bc7f75fa
AK		 1823 return 0;
1824}
1825
1826/* toggle LED 4 times per second = 2 "blinks" per second */
1827#define E1000_ID_INTERVAL (HZ/4)
1828
1829/* bit defines for adapter->led_status */
1830#define E1000_LED_ON 0
1831
a4f58f54 1832static void e1000e_led_blink_task(struct work_struct *work)
bc7f75fa 1833{
a4f58f54
BA		 1834 struct e1000_adapter *adapter = container_of(work,
1835 struct e1000_adapter, led_blink_task);
bc7f75fa
AK		 1836
1837 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1838 adapter->hw.mac.ops.led_off(&adapter->hw);
1839 else
1840 adapter->hw.mac.ops.led_on(&adapter->hw);
a4f58f54
BA		 1841}
1842
1843static void e1000_led_blink_callback(unsigned long data)
1844{
1845 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
bc7f75fa 1846
a4f58f54 1847 schedule_work(&adapter->led_blink_task);
bc7f75fa
AK		 1848 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1849}
1850
1851static int e1000_phys_id(struct net_device *netdev, u32 data)
1852{
1853 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1854 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1855
5a9147bb
SH		 1856 if (!data)
1857 data = INT_MAX;
bc7f75fa 1858
4662e82b 1859 if ((hw->phy.type == e1000_phy_ife) ||
a4f58f54 1860 (hw->mac.type == e1000_pchlan) ||
f89271dd 1861 (hw->mac.type == e1000_82583) ||
4662e82b 1862 (hw->mac.type == e1000_82574)) {
a4f58f54 1863 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
bc7f75fa
AK		 1864 if (!adapter->blink_timer.function) {
1865 init_timer(&adapter->blink_timer);
1866 adapter->blink_timer.function =
1867 e1000_led_blink_callback;
1868 adapter->blink_timer.data = (unsigned long) adapter;
1869 }
1870 mod_timer(&adapter->blink_timer, jiffies);
1871 msleep_interruptible(data * 1000);
1872 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1873 if (hw->phy.type == e1000_phy_ife)
1874 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1875 } else {
4662e82b 1876 e1000e_blink_led(hw);
bc7f75fa
AK		 1877 msleep_interruptible(data * 1000);
1878 }
1879
4662e82b 1880 hw->mac.ops.led_off(hw);
bc7f75fa 1881 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1882 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1883
1884 return 0;
1885}
1886
de5b3077
AK		 1887static int e1000_get_coalesce(struct net_device *netdev,
1888 struct ethtool_coalesce *ec)
1889{
1890 struct e1000_adapter *adapter = netdev_priv(netdev);
1891
1892 if (adapter->itr_setting <= 3)
1893 ec->rx_coalesce_usecs = adapter->itr_setting;
1894 else
1895 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1896
1897 return 0;
1898}
1899
1900static int e1000_set_coalesce(struct net_device *netdev,
1901 struct ethtool_coalesce *ec)
1902{
1903 struct e1000_adapter *adapter = netdev_priv(netdev);
1904 struct e1000_hw *hw = &adapter->hw;
1905
1906 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1907 ((ec->rx_coalesce_usecs > 3) &&
1908 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1909 (ec->rx_coalesce_usecs == 2))
1910 return -EINVAL;
1911
1912 if (ec->rx_coalesce_usecs <= 3) {
1913 adapter->itr = 20000;
1914 adapter->itr_setting = ec->rx_coalesce_usecs;
1915 } else {
1916 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1917 adapter->itr_setting = adapter->itr & ~3;
1918 }
1919
1920 if (adapter->itr_setting != 0)
1921 ew32(ITR, 1000000000 / (adapter->itr * 256));
1922 else
1923 ew32(ITR, 0);
1924
1925 return 0;
1926}
1927
bc7f75fa
AK		 1928static int e1000_nway_reset(struct net_device *netdev)
1929{
1930 struct e1000_adapter *adapter = netdev_priv(netdev);
1931 if (netif_running(netdev))
1932 e1000e_reinit_locked(adapter);
1933 return 0;
1934}
1935
bc7f75fa
AK		 1936static void e1000_get_ethtool_stats(struct net_device *netdev,
1937 struct ethtool_stats *stats,
1938 u64 *data)
1939{
1940 struct e1000_adapter *adapter = netdev_priv(netdev);
1941 int i;
e0f36a95 1942 char *p = NULL;
bc7f75fa
AK		 1943
1944 e1000e_update_stats(adapter);
1945 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1946 switch (e1000_gstrings_stats[i].type) {
1947 case NETDEV_STATS:
1948 p = (char *) netdev +
1949 e1000_gstrings_stats[i].stat_offset;
1950 break;
1951 case E1000_STATS:
1952 p = (char *) adapter +
1953 e1000_gstrings_stats[i].stat_offset;
1954 break;
1955 }
1956
bc7f75fa
AK		 1957 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1958 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1959 }
1960}
1961
1962static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1963 u8 *data)
1964{
1965 u8 *p = data;
1966 int i;
1967
1968 switch (stringset) {
1969 case ETH_SS_TEST:
ad68076e 1970 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 1971 break;
1972 case ETH_SS_STATS:
1973 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1974 memcpy(p, e1000_gstrings_stats[i].stat_string,
1975 ETH_GSTRING_LEN);
1976 p += ETH_GSTRING_LEN;
1977 }
1978 break;
1979 }
1980}
1981
1982static const struct ethtool_ops e1000_ethtool_ops = {
1983 .get_settings = e1000_get_settings,
1984 .set_settings = e1000_set_settings,
1985 .get_drvinfo = e1000_get_drvinfo,
1986 .get_regs_len = e1000_get_regs_len,
1987 .get_regs = e1000_get_regs,
1988 .get_wol = e1000_get_wol,
1989 .set_wol = e1000_set_wol,
1990 .get_msglevel = e1000_get_msglevel,
1991 .set_msglevel = e1000_set_msglevel,
1992 .nway_reset = e1000_nway_reset,
369d742d 1993 .get_link = e1000_get_link,
bc7f75fa
AK		 1994 .get_eeprom_len = e1000_get_eeprom_len,
1995 .get_eeprom = e1000_get_eeprom,
1996 .set_eeprom = e1000_set_eeprom,
1997 .get_ringparam = e1000_get_ringparam,
1998 .set_ringparam = e1000_set_ringparam,
1999 .get_pauseparam = e1000_get_pauseparam,
2000 .set_pauseparam = e1000_set_pauseparam,
2001 .get_rx_csum = e1000_get_rx_csum,
2002 .set_rx_csum = e1000_set_rx_csum,
2003 .get_tx_csum = e1000_get_tx_csum,
2004 .set_tx_csum = e1000_set_tx_csum,
2005 .get_sg = ethtool_op_get_sg,
2006 .set_sg = ethtool_op_set_sg,
2007 .get_tso = ethtool_op_get_tso,
2008 .set_tso = e1000_set_tso,
bc7f75fa
AK		 2009 .self_test = e1000_diag_test,
2010 .get_strings = e1000_get_strings,
2011 .phys_id = e1000_phys_id,
bc7f75fa 2012 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2013 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2014 .get_coalesce = e1000_get_coalesce,
2015 .set_coalesce = e1000_set_coalesce,
e7d906f7
BA		 2016 .get_flags = ethtool_op_get_flags,
2017 .set_flags = ethtool_op_set_flags,
bc7f75fa
AK		 2018};
2019
2020void e1000e_set_ethtool_ops(struct net_device *netdev)
2021{
2022 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2023}
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