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e1000e: long access timeouts when I217/I218 MAC and PHY are out of sync
[deliverable/linux.git] / drivers / net / ethernet / intel / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
bf67044b 4 Copyright(c) 1999 - 2013 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>
9fb7a5f7 32#include <linux/interrupt.h>
bc7f75fa
AK		 33#include <linux/ethtool.h>
34#include <linux/pci.h>
5a0e3ad6 35#include <linux/slab.h>
bc7f75fa 36#include <linux/delay.h>
c85c21ad 37#include <linux/vmalloc.h>
203e4151 38#include <linux/mdio.h>
e60b22c5 39#include <linux/pm_runtime.h>
bc7f75fa
AK		 40
41#include "e1000.h"
42
362e20ca 43enum { NETDEV_STATS, E1000_STATS };
e0f36a95 44
bc7f75fa
AK		 45struct e1000_stats {
46 char stat_string[ETH_GSTRING_LEN];
e0f36a95 47 int type;
bc7f75fa
AK		 48 int sizeof_stat;
49 int stat_offset;
50};
51
f0f1a172 52#define E1000_STAT(str, m) { \
67fd4fcb
JK		 53 .stat_string = str, \
54 .type = E1000_STATS, \
55 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
56 .stat_offset = offsetof(struct e1000_adapter, m) }
f0f1a172 57#define E1000_NETDEV_STAT(str, m) { \
67fd4fcb
JK		 58 .stat_string = str, \
59 .type = NETDEV_STATS, \
60 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
61 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
e0f36a95 62
bc7f75fa 63static const struct e1000_stats e1000_gstrings_stats[] = {
f0f1a172
BA		 64 E1000_STAT("rx_packets", stats.gprc),
65 E1000_STAT("tx_packets", stats.gptc),
66 E1000_STAT("rx_bytes", stats.gorc),
67 E1000_STAT("tx_bytes", stats.gotc),
68 E1000_STAT("rx_broadcast", stats.bprc),
69 E1000_STAT("tx_broadcast", stats.bptc),
70 E1000_STAT("rx_multicast", stats.mprc),
71 E1000_STAT("tx_multicast", stats.mptc),
67fd4fcb
JK		 72 E1000_NETDEV_STAT("rx_errors", rx_errors),
73 E1000_NETDEV_STAT("tx_errors", tx_errors),
74 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
f0f1a172
BA		 75 E1000_STAT("multicast", stats.mprc),
76 E1000_STAT("collisions", stats.colc),
67fd4fcb
JK		 77 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
78 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
f0f1a172 79 E1000_STAT("rx_crc_errors", stats.crcerrs),
67fd4fcb 80 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
f0f1a172
BA		 81 E1000_STAT("rx_no_buffer_count", stats.rnbc),
82 E1000_STAT("rx_missed_errors", stats.mpc),
83 E1000_STAT("tx_aborted_errors", stats.ecol),
84 E1000_STAT("tx_carrier_errors", stats.tncrs),
67fd4fcb
JK		 85 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
86 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
f0f1a172
BA		 87 E1000_STAT("tx_window_errors", stats.latecol),
88 E1000_STAT("tx_abort_late_coll", stats.latecol),
89 E1000_STAT("tx_deferred_ok", stats.dc),
90 E1000_STAT("tx_single_coll_ok", stats.scc),
91 E1000_STAT("tx_multi_coll_ok", stats.mcc),
92 E1000_STAT("tx_timeout_count", tx_timeout_count),
93 E1000_STAT("tx_restart_queue", restart_queue),
94 E1000_STAT("rx_long_length_errors", stats.roc),
95 E1000_STAT("rx_short_length_errors", stats.ruc),
96 E1000_STAT("rx_align_errors", stats.algnerrc),
97 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
98 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
99 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
100 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
101 E1000_STAT("tx_flow_control_xon", stats.xontxc),
102 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
f0f1a172
BA		 103 E1000_STAT("rx_csum_offload_good", hw_csum_good),
104 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
105 E1000_STAT("rx_header_split", rx_hdr_split),
106 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
107 E1000_STAT("tx_smbus", stats.mgptc),
108 E1000_STAT("rx_smbus", stats.mgprc),
109 E1000_STAT("dropped_smbus", stats.mgpdc),
110 E1000_STAT("rx_dma_failed", rx_dma_failed),
111 E1000_STAT("tx_dma_failed", tx_dma_failed),
b67e1913 112 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
94fb848b
BA		 113 E1000_STAT("uncorr_ecc_errors", uncorr_errors),
114 E1000_STAT("corr_ecc_errors", corr_errors),
bc7f75fa
AK		 115};
116
c00acf46 117#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 118#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
119static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
120 "Register test (offline)", "Eeprom test (offline)",
121 "Interrupt test (offline)", "Loopback test (offline)",
122 "Link test (on/offline)"
123};
fc830b78 124
ad68076e 125#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 126
127static int e1000_get_settings(struct net_device *netdev,
128 struct ethtool_cmd *ecmd)
129{
130 struct e1000_adapter *adapter = netdev_priv(netdev);
131 struct e1000_hw *hw = &adapter->hw;
70739497 132 u32 speed;
bc7f75fa 133
318a94d6 134 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 135 ecmd->supported = (SUPPORTED_10baseT_Half |
136 SUPPORTED_10baseT_Full |
137 SUPPORTED_100baseT_Half |
138 SUPPORTED_100baseT_Full |
139 SUPPORTED_1000baseT_Full |
140 SUPPORTED_Autoneg |
141 SUPPORTED_TP);
142 if (hw->phy.type == e1000_phy_ife)
143 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
144 ecmd->advertising = ADVERTISED_TP;
145
146 if (hw->mac.autoneg == 1) {
147 ecmd->advertising |= ADVERTISED_Autoneg;
148 /* the e1000 autoneg seems to match ethtool nicely */
149 ecmd->advertising |= hw->phy.autoneg_advertised;
150 }
151
152 ecmd->port = PORT_TP;
153 ecmd->phy_address = hw->phy.addr;
154 ecmd->transceiver = XCVR_INTERNAL;
155
156 } else {
157 ecmd->supported = (SUPPORTED_1000baseT_Full |
158 SUPPORTED_FIBRE |
159 SUPPORTED_Autoneg);
160
161 ecmd->advertising = (ADVERTISED_1000baseT_Full |
162 ADVERTISED_FIBRE |
163 ADVERTISED_Autoneg);
164
165 ecmd->port = PORT_FIBRE;
166 ecmd->transceiver = XCVR_EXTERNAL;
167 }
168
70739497 169 speed = -1;
0c6bdb30
BA		 170 ecmd->duplex = -1;
171
172 if (netif_running(netdev)) {
173 if (netif_carrier_ok(netdev)) {
70739497 174 speed = adapter->link_speed;
0c6bdb30
BA		 175 ecmd->duplex = adapter->link_duplex - 1;
176 }
bc7f75fa 177 } else {
0c6bdb30
BA		 178 u32 status = er32(STATUS);
179 if (status & E1000_STATUS_LU) {
180 if (status & E1000_STATUS_SPEED_1000)
70739497 181 speed = SPEED_1000;
0c6bdb30 182 else if (status & E1000_STATUS_SPEED_100)
70739497 183 speed = SPEED_100;
0c6bdb30 184 else
70739497 185 speed = SPEED_10;
0c6bdb30
BA		 186
187 if (status & E1000_STATUS_FD)
188 ecmd->duplex = DUPLEX_FULL;
189 else
190 ecmd->duplex = DUPLEX_HALF;
191 }
bc7f75fa
AK		 192 }
193
70739497 194 ethtool_cmd_speed_set(ecmd, speed);
318a94d6 195 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 196 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 197
198 /* MDI-X => 2; MDI =>1; Invalid =>0 */
199 if ((hw->phy.media_type == e1000_media_type_copper) &&
0c6bdb30 200 netif_carrier_ok(netdev))
f0ff4398 201 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI;
18760f1e
CL		 202 else
203 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
204
4e8186b6
JB		 205 if (hw->phy.mdix == AUTO_ALL_MODES)
206 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
207 else
208 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
209
bc7f75fa
AK		 210 return 0;
211}
212
14ad2513 213static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
bc7f75fa
AK		 214{
215 struct e1000_mac_info *mac = &adapter->hw.mac;
216
217 mac->autoneg = 0;
218
14ad2513 219 /* Make sure dplx is at most 1 bit and lsb of speed is not set
e921eb1a
BA		 220 * for the switch() below to work
221 */
14ad2513
DD		 222 if ((spd & 1) || (dplx & ~1))
223 goto err_inval;
224
bc7f75fa 225 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 226 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
e5fe2541 227 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
14ad2513 228 goto err_inval;
bc7f75fa
AK		 229 }
230
14ad2513 231 switch (spd + dplx) {
bc7f75fa
AK		 232 case SPEED_10 + DUPLEX_HALF:
233 mac->forced_speed_duplex = ADVERTISE_10_HALF;
234 break;
235 case SPEED_10 + DUPLEX_FULL:
236 mac->forced_speed_duplex = ADVERTISE_10_FULL;
237 break;
238 case SPEED_100 + DUPLEX_HALF:
239 mac->forced_speed_duplex = ADVERTISE_100_HALF;
240 break;
241 case SPEED_100 + DUPLEX_FULL:
242 mac->forced_speed_duplex = ADVERTISE_100_FULL;
243 break;
244 case SPEED_1000 + DUPLEX_FULL:
245 mac->autoneg = 1;
246 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
247 break;
248 case SPEED_1000 + DUPLEX_HALF: /* not supported */
249 default:
14ad2513 250 goto err_inval;
bc7f75fa 251 }
4e8186b6
JB		 252
253 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
254 adapter->hw.phy.mdix = AUTO_ALL_MODES;
255
bc7f75fa 256 return 0;
14ad2513
DD		 257
258err_inval:
259 e_err("Unsupported Speed/Duplex configuration\n");
260 return -EINVAL;
bc7f75fa
AK		 261}
262
263static int e1000_set_settings(struct net_device *netdev,
264 struct ethtool_cmd *ecmd)
265{
266 struct e1000_adapter *adapter = netdev_priv(netdev);
267 struct e1000_hw *hw = &adapter->hw;
268
e921eb1a 269 /* When SoL/IDER sessions are active, autoneg/speed/duplex
ad68076e
BA		 270 * cannot be changed
271 */
470a5420
BA		 272 if (hw->phy.ops.check_reset_block &&
273 hw->phy.ops.check_reset_block(hw)) {
6ad65145 274 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
bc7f75fa
AK		 275 return -EINVAL;
276 }
277
e921eb1a 278 /* MDI setting is only allowed when autoneg enabled because
4e8186b6
JB		 279 * some hardware doesn't allow MDI setting when speed or
280 * duplex is forced.
281 */
282 if (ecmd->eth_tp_mdix_ctrl) {
283 if (hw->phy.media_type != e1000_media_type_copper)
284 return -EOPNOTSUPP;
285
286 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
287 (ecmd->autoneg != AUTONEG_ENABLE)) {
288 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
289 return -EINVAL;
290 }
291 }
292
bc7f75fa 293 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 294 usleep_range(1000, 2000);
bc7f75fa
AK		 295
296 if (ecmd->autoneg == AUTONEG_ENABLE) {
297 hw->mac.autoneg = 1;
318a94d6 298 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa 299 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
f0ff4398 300 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
bc7f75fa
AK		 301 else
302 hw->phy.autoneg_advertised = ecmd->advertising |
f0ff4398 303 ADVERTISED_TP | ADVERTISED_Autoneg;
bc7f75fa 304 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 305 if (adapter->fc_autoneg)
5c48ef3e 306 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa 307 } else {
25db0338 308 u32 speed = ethtool_cmd_speed(ecmd);
4e8186b6 309 /* calling this overrides forced MDI setting */
14ad2513 310 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
bc7f75fa
AK		 311 clear_bit(__E1000_RESETTING, &adapter->state);
312 return -EINVAL;
313 }
314 }
315
4e8186b6
JB		 316 /* MDI-X => 2; MDI => 1; Auto => 3 */
317 if (ecmd->eth_tp_mdix_ctrl) {
e921eb1a 318 /* fix up the value for auto (3 => 0) as zero is mapped
4e8186b6
JB		 319 * internally to auto
320 */
321 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
322 hw->phy.mdix = AUTO_ALL_MODES;
323 else
324 hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
325 }
326
bc7f75fa 327 /* reset the link */
bc7f75fa
AK		 328 if (netif_running(adapter->netdev)) {
329 e1000e_down(adapter);
330 e1000e_up(adapter);
a7a1d9da 331 } else {
bc7f75fa 332 e1000e_reset(adapter);
a7a1d9da 333 }
bc7f75fa
AK		 334
335 clear_bit(__E1000_RESETTING, &adapter->state);
336 return 0;
337}
338
339static void e1000_get_pauseparam(struct net_device *netdev,
340 struct ethtool_pauseparam *pause)
341{
342 struct e1000_adapter *adapter = netdev_priv(netdev);
343 struct e1000_hw *hw = &adapter->hw;
344
345 pause->autoneg =
f0ff4398 346 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
bc7f75fa 347
5c48ef3e 348 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 349 pause->rx_pause = 1;
5c48ef3e 350 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 351 pause->tx_pause = 1;
5c48ef3e 352 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 353 pause->rx_pause = 1;
354 pause->tx_pause = 1;
355 }
356}
357
358static int e1000_set_pauseparam(struct net_device *netdev,
359 struct ethtool_pauseparam *pause)
360{
361 struct e1000_adapter *adapter = netdev_priv(netdev);
362 struct e1000_hw *hw = &adapter->hw;
363 int retval = 0;
364
365 adapter->fc_autoneg = pause->autoneg;
366
367 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 368 usleep_range(1000, 2000);
bc7f75fa 369
bc7f75fa 370 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 371 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 372 if (netif_running(adapter->netdev)) {
373 e1000e_down(adapter);
374 e1000e_up(adapter);
375 } else {
376 e1000e_reset(adapter);
377 }
378 } else {
5c48ef3e
BA		 379 if (pause->rx_pause && pause->tx_pause)
380 hw->fc.requested_mode = e1000_fc_full;
381 else if (pause->rx_pause && !pause->tx_pause)
382 hw->fc.requested_mode = e1000_fc_rx_pause;
383 else if (!pause->rx_pause && pause->tx_pause)
384 hw->fc.requested_mode = e1000_fc_tx_pause;
385 else if (!pause->rx_pause && !pause->tx_pause)
386 hw->fc.requested_mode = e1000_fc_none;
387
388 hw->fc.current_mode = hw->fc.requested_mode;
389
945eb313
BA		 390 if (hw->phy.media_type == e1000_media_type_fiber) {
391 retval = hw->mac.ops.setup_link(hw);
392 /* implicit goto out */
393 } else {
394 retval = e1000e_force_mac_fc(hw);
395 if (retval)
396 goto out;
397 e1000e_set_fc_watermarks(hw);
398 }
bc7f75fa
AK		 399 }
400
945eb313 401out:
bc7f75fa
AK		 402 clear_bit(__E1000_RESETTING, &adapter->state);
403 return retval;
404}
405
bc7f75fa
AK		 406static u32 e1000_get_msglevel(struct net_device *netdev)
407{
408 struct e1000_adapter *adapter = netdev_priv(netdev);
409 return adapter->msg_enable;
410}
411
412static void e1000_set_msglevel(struct net_device *netdev, u32 data)
413{
414 struct e1000_adapter *adapter = netdev_priv(netdev);
415 adapter->msg_enable = data;
416}
417
8bb62869 418static int e1000_get_regs_len(struct net_device __always_unused *netdev)
bc7f75fa
AK		 419{
420#define E1000_REGS_LEN 32 /* overestimate */
421 return E1000_REGS_LEN * sizeof(u32);
422}
423
424static void e1000_get_regs(struct net_device *netdev,
425 struct ethtool_regs *regs, void *p)
426{
427 struct e1000_adapter *adapter = netdev_priv(netdev);
428 struct e1000_hw *hw = &adapter->hw;
429 u32 *regs_buff = p;
430 u16 phy_data;
bc7f75fa
AK		 431
432 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
433
ff938e43 434 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
f0ff4398 435 adapter->pdev->device;
bc7f75fa
AK		 436
437 regs_buff[0] = er32(CTRL);
438 regs_buff[1] = er32(STATUS);
439
440 regs_buff[2] = er32(RCTL);
1e36052e
BA		 441 regs_buff[3] = er32(RDLEN(0));
442 regs_buff[4] = er32(RDH(0));
443 regs_buff[5] = er32(RDT(0));
bc7f75fa
AK		 444 regs_buff[6] = er32(RDTR);
445
446 regs_buff[7] = er32(TCTL);
1e36052e
BA		 447 regs_buff[8] = er32(TDLEN(0));
448 regs_buff[9] = er32(TDH(0));
449 regs_buff[10] = er32(TDT(0));
bc7f75fa
AK		 450 regs_buff[11] = er32(TIDV);
451
452 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 453
454 /* ethtool doesn't use anything past this point, so all this
e921eb1a
BA		 455 * code is likely legacy junk for apps that may or may not exist
456 */
bc7f75fa
AK		 457 if (hw->phy.type == e1000_phy_m88) {
458 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
459 regs_buff[13] = (u32)phy_data; /* cable length */
460 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
461 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
462 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
463 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
464 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
465 regs_buff[18] = regs_buff[13]; /* cable polarity */
466 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
467 regs_buff[20] = regs_buff[17]; /* polarity correction */
468 /* phy receive errors */
469 regs_buff[22] = adapter->phy_stats.receive_errors;
470 regs_buff[23] = regs_buff[13]; /* mdix mode */
471 }
c2ade1a4
BA		 472 regs_buff[21] = 0; /* was idle_errors */
473 e1e_rphy(hw, MII_STAT1000, &phy_data);
474 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
475 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
bc7f75fa
AK		 476}
477
478static int e1000_get_eeprom_len(struct net_device *netdev)
479{
480 struct e1000_adapter *adapter = netdev_priv(netdev);
481 return adapter->hw.nvm.word_size * 2;
482}
483
484static int e1000_get_eeprom(struct net_device *netdev,
485 struct ethtool_eeprom *eeprom, u8 *bytes)
486{
487 struct e1000_adapter *adapter = netdev_priv(netdev);
488 struct e1000_hw *hw = &adapter->hw;
489 u16 *eeprom_buff;
490 int first_word;
491 int last_word;
492 int ret_val = 0;
493 u16 i;
494
495 if (eeprom->len == 0)
496 return -EINVAL;
497
498 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
499
500 first_word = eeprom->offset >> 1;
501 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
502
17e813ec
BA		 503 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
504 GFP_KERNEL);
bc7f75fa
AK		 505 if (!eeprom_buff)
506 return -ENOMEM;
507
508 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
509 ret_val = e1000_read_nvm(hw, first_word,
510 last_word - first_word + 1,
511 eeprom_buff);
512 } else {
513 for (i = 0; i < last_word - first_word + 1; i++) {
514 ret_val = e1000_read_nvm(hw, first_word + i, 1,
17e813ec 515 &eeprom_buff[i]);
e243455d 516 if (ret_val)
bc7f75fa
AK		 517 break;
518 }
519 }
520
e243455d
BA		 521 if (ret_val) {
522 /* a read error occurred, throw away the result */
8528b016
RK		 523 memset(eeprom_buff, 0xff, sizeof(u16) *
524 (last_word - first_word + 1));
e243455d
BA		 525 } else {
526 /* Device's eeprom is always little-endian, word addressable */
527 for (i = 0; i < last_word - first_word + 1; i++)
528 le16_to_cpus(&eeprom_buff[i]);
529 }
bc7f75fa
AK		 530
531 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
532 kfree(eeprom_buff);
533
534 return ret_val;
535}
536
537static int e1000_set_eeprom(struct net_device *netdev,
538 struct ethtool_eeprom *eeprom, u8 *bytes)
539{
540 struct e1000_adapter *adapter = netdev_priv(netdev);
541 struct e1000_hw *hw = &adapter->hw;
542 u16 *eeprom_buff;
543 void *ptr;
544 int max_len;
545 int first_word;
546 int last_word;
547 int ret_val = 0;
548 u16 i;
549
550 if (eeprom->len == 0)
551 return -EOPNOTSUPP;
552
c29c3ba5
BA		 553 if (eeprom->magic !=
554 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
bc7f75fa
AK		 555 return -EFAULT;
556
4a770358
BA		 557 if (adapter->flags & FLAG_READ_ONLY_NVM)
558 return -EINVAL;
559
bc7f75fa
AK		 560 max_len = hw->nvm.word_size * 2;
561
562 first_word = eeprom->offset >> 1;
563 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
564 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
565 if (!eeprom_buff)
566 return -ENOMEM;
567
568 ptr = (void *)eeprom_buff;
569
570 if (eeprom->offset & 1) {
571 /* need read/modify/write of first changed EEPROM word */
572 /* only the second byte of the word is being modified */
573 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
574 ptr++;
575 }
9e2d7657 576 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
bc7f75fa
AK		 577 /* need read/modify/write of last changed EEPROM word */
578 /* only the first byte of the word is being modified */
579 ret_val = e1000_read_nvm(hw, last_word, 1,
17e813ec 580 &eeprom_buff[last_word - first_word]);
bc7f75fa 581
e243455d
BA		 582 if (ret_val)
583 goto out;
584
bc7f75fa
AK		 585 /* Device's eeprom is always little-endian, word addressable */
586 for (i = 0; i < last_word - first_word + 1; i++)
587 le16_to_cpus(&eeprom_buff[i]);
588
589 memcpy(ptr, bytes, eeprom->len);
590
591 for (i = 0; i < last_word - first_word + 1; i++)
e885d762 592 cpu_to_le16s(&eeprom_buff[i]);
bc7f75fa
AK		 593
594 ret_val = e1000_write_nvm(hw, first_word,
595 last_word - first_word + 1, eeprom_buff);
596
e243455d
BA		 597 if (ret_val)
598 goto out;
599
e921eb1a 600 /* Update the checksum over the first part of the EEPROM if needed
e243455d 601 * and flush shadow RAM for applicable controllers
ad68076e 602 */
e243455d 603 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 604 (hw->mac.type == e1000_82583) ||
605 (hw->mac.type == e1000_82574) ||
606 (hw->mac.type == e1000_82573))
e243455d 607 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 608
e243455d 609out:
bc7f75fa
AK		 610 kfree(eeprom_buff);
611 return ret_val;
612}
613
614static void e1000_get_drvinfo(struct net_device *netdev,
615 struct ethtool_drvinfo *drvinfo)
616{
617 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa 618
e5fe2541 619 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
33a5ba14 620 strlcpy(drvinfo->version, e1000e_driver_version,
612a94d6 621 sizeof(drvinfo->version));
bc7f75fa 622
e921eb1a 623 /* EEPROM image version # is reported as firmware version # for
ad68076e
BA		 624 * PCI-E controllers
625 */
612a94d6 626 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
17e813ec
BA		 627 "%d.%d-%d",
628 (adapter->eeprom_vers & 0xF000) >> 12,
629 (adapter->eeprom_vers & 0x0FF0) >> 4,
630 (adapter->eeprom_vers & 0x000F));
bc7f75fa 631
612a94d6
RJ		 632 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
633 sizeof(drvinfo->bus_info));
bc7f75fa
AK		 634 drvinfo->regdump_len = e1000_get_regs_len(netdev);
635 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
636}
637
638static void e1000_get_ringparam(struct net_device *netdev,
639 struct ethtool_ringparam *ring)
640{
641 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa
AK		 642
643 ring->rx_max_pending = E1000_MAX_RXD;
644 ring->tx_max_pending = E1000_MAX_TXD;
508da426
BA		 645 ring->rx_pending = adapter->rx_ring_count;
646 ring->tx_pending = adapter->tx_ring_count;
bc7f75fa
AK		 647}
648
649static int e1000_set_ringparam(struct net_device *netdev,
650 struct ethtool_ringparam *ring)
651{
652 struct e1000_adapter *adapter = netdev_priv(netdev);
508da426
BA		 653 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
654 int err = 0, size = sizeof(struct e1000_ring);
655 bool set_tx = false, set_rx = false;
656 u16 new_rx_count, new_tx_count;
bc7f75fa
AK		 657
658 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
659 return -EINVAL;
660
508da426
BA		 661 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
662 E1000_MAX_RXD);
663 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
bc7f75fa 664
508da426
BA		 665 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
666 E1000_MAX_TXD);
667 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
bc7f75fa 668
508da426
BA		 669 if ((new_tx_count == adapter->tx_ring_count) &&
670 (new_rx_count == adapter->rx_ring_count))
671 /* nothing to do */
672 return 0;
bc7f75fa 673
508da426
BA		 674 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
675 usleep_range(1000, 2000);
bc7f75fa 676
508da426
BA		 677 if (!netif_running(adapter->netdev)) {
678 /* Set counts now and allocate resources during open() */
679 adapter->tx_ring->count = new_tx_count;
680 adapter->rx_ring->count = new_rx_count;
681 adapter->tx_ring_count = new_tx_count;
682 adapter->rx_ring_count = new_rx_count;
683 goto clear_reset;
684 }
bc7f75fa 685
508da426
BA		 686 set_tx = (new_tx_count != adapter->tx_ring_count);
687 set_rx = (new_rx_count != adapter->rx_ring_count);
bc7f75fa 688
508da426
BA		 689 /* Allocate temporary storage for ring updates */
690 if (set_tx) {
691 temp_tx = vmalloc(size);
692 if (!temp_tx) {
693 err = -ENOMEM;
694 goto free_temp;
695 }
696 }
697 if (set_rx) {
698 temp_rx = vmalloc(size);
699 if (!temp_rx) {
700 err = -ENOMEM;
701 goto free_temp;
702 }
703 }
bc7f75fa 704
508da426 705 e1000e_down(adapter);
bc7f75fa 706
e921eb1a 707 /* We can't just free everything and then setup again, because the
508da426
BA		 708 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
709 * structs. First, attempt to allocate new resources...
710 */
711 if (set_tx) {
712 memcpy(temp_tx, adapter->tx_ring, size);
713 temp_tx->count = new_tx_count;
714 err = e1000e_setup_tx_resources(temp_tx);
bc7f75fa 715 if (err)
508da426
BA		 716 goto err_setup;
717 }
718 if (set_rx) {
719 memcpy(temp_rx, adapter->rx_ring, size);
720 temp_rx->count = new_rx_count;
721 err = e1000e_setup_rx_resources(temp_rx);
bc7f75fa 722 if (err)
508da426
BA		 723 goto err_setup_rx;
724 }
725
726 /* ...then free the old resources and copy back any new ring data */
727 if (set_tx) {
55aa6985 728 e1000e_free_tx_resources(adapter->tx_ring);
508da426
BA		 729 memcpy(adapter->tx_ring, temp_tx, size);
730 adapter->tx_ring_count = new_tx_count;
731 }
732 if (set_rx) {
733 e1000e_free_rx_resources(adapter->rx_ring);
734 memcpy(adapter->rx_ring, temp_rx, size);
735 adapter->rx_ring_count = new_rx_count;
bc7f75fa
AK		 736 }
737
bc7f75fa 738err_setup_rx:
508da426
BA		 739 if (err && set_tx)
740 e1000e_free_tx_resources(temp_tx);
bc7f75fa 741err_setup:
508da426
BA		 742 e1000e_up(adapter);
743free_temp:
744 vfree(temp_tx);
745 vfree(temp_rx);
746clear_reset:
bc7f75fa
AK		 747 clear_bit(__E1000_RESETTING, &adapter->state);
748 return err;
749}
750
cef8c793
BA		 751static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
752 int reg, int offset, u32 mask, u32 write)
2a887191 753{
cef8c793 754 u32 pat, val;
6480641e 755 static const u32 test[] = {
04e115cf
BA		 756 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
757 };
cef8c793 758 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 759 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 760 (test[pat] & write));
761 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
762 if (val != (test[pat] & write & mask)) {
a8fc1891
BA		 763 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
764 reg + (offset << 2), val,
765 (test[pat] & write & mask));
2a887191 766 *data = reg;
cef8c793 767 return 1;
2a887191
JP		 768 }
769 }
cef8c793 770 return 0;
bc7f75fa
AK		 771}
772
2a887191
JP		 773static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
774 int reg, u32 mask, u32 write)
775{
cef8c793 776 u32 val;
2a887191 777 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 778 val = __er32(&adapter->hw, reg);
779 if ((write & mask) != (val & mask)) {
a8fc1891 780 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
6ad65145 781 reg, (val & mask), (write & mask));
2a887191 782 *data = reg;
cef8c793 783 return 1;
2a887191 784 }
cef8c793 785 return 0;
bc7f75fa 786}
fc830b78 787
cef8c793
BA		 788#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
789 do { \
790 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
791 return 1; \
2a887191 792 } while (0)
cef8c793
BA		 793#define REG_PATTERN_TEST(reg, mask, write) \
794 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 795
cef8c793
BA		 796#define REG_SET_AND_CHECK(reg, mask, write) \
797 do { \
798 if (reg_set_and_check(adapter, data, reg, mask, write)) \
799 return 1; \
2a887191
JP		 800 } while (0)
801
bc7f75fa
AK		 802static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
803{
804 struct e1000_hw *hw = &adapter->hw;
805 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 806 u32 value;
807 u32 before;
808 u32 after;
809 u32 i;
810 u32 toggle;
a4f58f54 811 u32 mask;
2fbe4526 812 u32 wlock_mac = 0;
bc7f75fa 813
e921eb1a 814 /* The status register is Read Only, so a write should fail.
33550cec
BA		 815 * Some bits that get toggled are ignored. There are several bits
816 * on newer hardware that are r/w.
bc7f75fa
AK		 817 */
818 switch (mac->type) {
bc7f75fa
AK		 819 case e1000_82571:
820 case e1000_82572:
821 case e1000_80003es2lan:
822 toggle = 0x7FFFF3FF;
823 break;
f0ff4398 824 default:
bc7f75fa
AK		 825 toggle = 0x7FFFF033;
826 break;
bc7f75fa
AK		 827 }
828
829 before = er32(STATUS);
830 value = (er32(STATUS) & toggle);
831 ew32(STATUS, toggle);
832 after = er32(STATUS) & toggle;
833 if (value != after) {
6ad65145
BA		 834 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
835 after, value);
bc7f75fa
AK		 836 *data = 1;
837 return 1;
838 }
839 /* restore previous status */
840 ew32(STATUS, before);
841
97ac8cae 842 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 843 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
846 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
847 }
848
849 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
1e36052e
BA		 850 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
852 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
853 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
bc7f75fa
AK		 854 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
855 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
856 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
1e36052e
BA		 857 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
858 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
bc7f75fa
AK		 859
860 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
861
97ac8cae 862 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 863 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
864 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
865
8658251d 866 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
1e36052e 867 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 868 if (!(adapter->flags & FLAG_IS_ICH))
8658251d 869 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
1e36052e 870 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
8658251d 871 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 872 mask = 0x8003FFFF;
873 switch (mac->type) {
874 case e1000_ich10lan:
875 case e1000_pchlan:
d3738bb8 876 case e1000_pch2lan:
2fbe4526 877 case e1000_pch_lpt:
a4f58f54
BA		 878 mask |= (1 << 18);
879 break;
880 default:
881 break;
882 }
2fbe4526
BA		 883
884 if (mac->type == e1000_pch_lpt)
885 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
886 E1000_FWSM_WLOCK_MAC_SHIFT;
887
888 for (i = 0; i < mac->rar_entry_count; i++) {
a8fc1891
BA		 889 if (mac->type == e1000_pch_lpt) {
890 /* Cannot test write-protected SHRAL[n] registers */
891 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
892 continue;
893
894 /* SHRAH[9] different than the others */
895 if (i == 10)
896 mask |= (1 << 30);
897 else
898 mask &= ~(1 << 30);
899 }
2fbe4526 900
a8fc1891
BA		 901 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
902 0xFFFFFFFF);
2fbe4526 903 }
bc7f75fa
AK		 904
905 for (i = 0; i < mac->mta_reg_count; i++)
906 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
907
908 *data = 0;
2fbe4526 909
bc7f75fa
AK		 910 return 0;
911}
912
913static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
914{
915 u16 temp;
916 u16 checksum = 0;
917 u16 i;
918
919 *data = 0;
920 /* Read and add up the contents of the EEPROM */
921 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
922 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
923 *data = 1;
e243455d 924 return *data;
bc7f75fa
AK		 925 }
926 checksum += temp;
927 }
928
929 /* If Checksum is not Correct return error else test passed */
53aa82da 930 if ((checksum != (u16)NVM_SUM) && !(*data))
bc7f75fa
AK		 931 *data = 2;
932
933 return *data;
934}
935
8bb62869 936static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
bc7f75fa 937{
53aa82da 938 struct net_device *netdev = (struct net_device *)data;
bc7f75fa
AK		 939 struct e1000_adapter *adapter = netdev_priv(netdev);
940 struct e1000_hw *hw = &adapter->hw;
941
942 adapter->test_icr |= er32(ICR);
943
944 return IRQ_HANDLED;
945}
946
947static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
948{
949 struct net_device *netdev = adapter->netdev;
950 struct e1000_hw *hw = &adapter->hw;
951 u32 mask;
952 u32 shared_int = 1;
953 u32 irq = adapter->pdev->irq;
954 int i;
4662e82b
BA		 955 int ret_val = 0;
956 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 957
958 *data = 0;
959
4662e82b
BA		 960 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
961 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
962 int_mode = adapter->int_mode;
963 e1000e_reset_interrupt_capability(adapter);
964 adapter->int_mode = E1000E_INT_MODE_LEGACY;
965 e1000e_set_interrupt_capability(adapter);
966 }
bc7f75fa 967 /* Hook up test interrupt handler just for this test */
a0607fd3 968 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 969 netdev)) {
970 shared_int = 0;
17e813ec
BA		 971 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
972 netdev)) {
bc7f75fa 973 *data = 1;
4662e82b
BA		 974 ret_val = -1;
975 goto out;
bc7f75fa 976 }
44defeb3 977 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 978
979 /* Disable all the interrupts */
980 ew32(IMC, 0xFFFFFFFF);
945a5151 981 e1e_flush();
1bba4386 982 usleep_range(10000, 20000);
bc7f75fa
AK		 983
984 /* Test each interrupt */
985 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 986 /* Interrupt to test */
987 mask = 1 << i;
988
f4187b56
BA		 989 if (adapter->flags & FLAG_IS_ICH) {
990 switch (mask) {
991 case E1000_ICR_RXSEQ:
992 continue;
993 case 0x00000100:
994 if (adapter->hw.mac.type == e1000_ich8lan ||
995 adapter->hw.mac.type == e1000_ich9lan)
996 continue;
997 break;
998 default:
999 break;
1000 }
1001 }
1002
bc7f75fa 1003 if (!shared_int) {
e921eb1a 1004 /* Disable the interrupt to be reported in
bc7f75fa
AK		 1005 * the cause register and then force the same
1006 * interrupt and see if one gets posted. If
1007 * an interrupt was posted to the bus, the
1008 * test failed.
1009 */
1010 adapter->test_icr = 0;
1011 ew32(IMC, mask);
1012 ew32(ICS, mask);
945a5151 1013 e1e_flush();
1bba4386 1014 usleep_range(10000, 20000);
bc7f75fa
AK		 1015
1016 if (adapter->test_icr & mask) {
1017 *data = 3;
1018 break;
1019 }
1020 }
1021
e921eb1a 1022 /* Enable the interrupt to be reported in
bc7f75fa
AK		 1023 * the cause register and then force the same
1024 * interrupt and see if one gets posted. If
1025 * an interrupt was not posted to the bus, the
1026 * test failed.
1027 */
1028 adapter->test_icr = 0;
1029 ew32(IMS, mask);
1030 ew32(ICS, mask);
945a5151 1031 e1e_flush();
1bba4386 1032 usleep_range(10000, 20000);
bc7f75fa
AK		 1033
1034 if (!(adapter->test_icr & mask)) {
1035 *data = 4;
1036 break;
1037 }
1038
1039 if (!shared_int) {
e921eb1a 1040 /* Disable the other interrupts to be reported in
bc7f75fa
AK		 1041 * the cause register and then force the other
1042 * interrupts and see if any get posted. If
1043 * an interrupt was posted to the bus, the
1044 * test failed.
1045 */
1046 adapter->test_icr = 0;
1047 ew32(IMC, ~mask & 0x00007FFF);
1048 ew32(ICS, ~mask & 0x00007FFF);
945a5151 1049 e1e_flush();
1bba4386 1050 usleep_range(10000, 20000);
bc7f75fa
AK		 1051
1052 if (adapter->test_icr) {
1053 *data = 5;
1054 break;
1055 }
1056 }
1057 }
1058
1059 /* Disable all the interrupts */
1060 ew32(IMC, 0xFFFFFFFF);
945a5151 1061 e1e_flush();
1bba4386 1062 usleep_range(10000, 20000);
bc7f75fa
AK		 1063
1064 /* Unhook test interrupt handler */
1065 free_irq(irq, netdev);
1066
4662e82b
BA		 1067out:
1068 if (int_mode == E1000E_INT_MODE_MSIX) {
1069 e1000e_reset_interrupt_capability(adapter);
1070 adapter->int_mode = int_mode;
1071 e1000e_set_interrupt_capability(adapter);
1072 }
1073
1074 return ret_val;
bc7f75fa
AK		 1075}
1076
1077static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1078{
1079 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1080 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1081 struct pci_dev *pdev = adapter->pdev;
17e813ec 1082 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1083 int i;
1084
1085 if (tx_ring->desc && tx_ring->buffer_info) {
1086 for (i = 0; i < tx_ring->count; i++) {
17e813ec
BA		 1087 buffer_info = &tx_ring->buffer_info[i];
1088
1089 if (buffer_info->dma)
0be3f55f 1090 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1091 buffer_info->dma,
1092 buffer_info->length,
1093 DMA_TO_DEVICE);
1094 if (buffer_info->skb)
1095 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1096 }
1097 }
1098
1099 if (rx_ring->desc && rx_ring->buffer_info) {
1100 for (i = 0; i < rx_ring->count; i++) {
17e813ec
BA		 1101 buffer_info = &rx_ring->buffer_info[i];
1102
1103 if (buffer_info->dma)
0be3f55f 1104 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1105 buffer_info->dma,
1106 2048, DMA_FROM_DEVICE);
1107 if (buffer_info->skb)
1108 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1109 }
1110 }
1111
1112 if (tx_ring->desc) {
1113 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1114 tx_ring->dma);
1115 tx_ring->desc = NULL;
1116 }
1117 if (rx_ring->desc) {
1118 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1119 rx_ring->dma);
1120 rx_ring->desc = NULL;
1121 }
1122
1123 kfree(tx_ring->buffer_info);
1124 tx_ring->buffer_info = NULL;
1125 kfree(rx_ring->buffer_info);
1126 rx_ring->buffer_info = NULL;
1127}
1128
1129static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1130{
1131 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1132 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1133 struct pci_dev *pdev = adapter->pdev;
1134 struct e1000_hw *hw = &adapter->hw;
1135 u32 rctl;
bc7f75fa
AK		 1136 int i;
1137 int ret_val;
1138
1139 /* Setup Tx descriptor ring and Tx buffers */
1140
1141 if (!tx_ring->count)
1142 tx_ring->count = E1000_DEFAULT_TXD;
1143
cef8c793 1144 tx_ring->buffer_info = kcalloc(tx_ring->count,
e5fe2541 1145 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1146 if (!tx_ring->buffer_info) {
bc7f75fa
AK		 1147 ret_val = 1;
1148 goto err_nomem;
1149 }
bc7f75fa
AK		 1150
1151 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1152 tx_ring->size = ALIGN(tx_ring->size, 4096);
1153 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1154 &tx_ring->dma, GFP_KERNEL);
1155 if (!tx_ring->desc) {
1156 ret_val = 2;
1157 goto err_nomem;
1158 }
bc7f75fa
AK		 1159 tx_ring->next_to_use = 0;
1160 tx_ring->next_to_clean = 0;
1161
53aa82da
BA		 1162 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1163 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1e36052e
BA		 1164 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1165 ew32(TDH(0), 0);
1166 ew32(TDT(0), 0);
cef8c793
BA		 1167 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1168 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1169 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1170
1171 for (i = 0; i < tx_ring->count; i++) {
1172 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1173 struct sk_buff *skb;
1174 unsigned int skb_size = 1024;
1175
1176 skb = alloc_skb(skb_size, GFP_KERNEL);
1177 if (!skb) {
1178 ret_val = 3;
1179 goto err_nomem;
1180 }
1181 skb_put(skb, skb_size);
1182 tx_ring->buffer_info[i].skb = skb;
1183 tx_ring->buffer_info[i].length = skb->len;
1184 tx_ring->buffer_info[i].dma =
f0ff4398
BA		 1185 dma_map_single(&pdev->dev, skb->data, skb->len,
1186 DMA_TO_DEVICE);
0be3f55f
NN		 1187 if (dma_mapping_error(&pdev->dev,
1188 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1189 ret_val = 4;
1190 goto err_nomem;
1191 }
cef8c793 1192 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1193 tx_desc->lower.data = cpu_to_le32(skb->len);
1194 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1195 E1000_TXD_CMD_IFCS |
cef8c793 1196 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1197 tx_desc->upper.data = 0;
1198 }
1199
1200 /* Setup Rx descriptor ring and Rx buffers */
1201
1202 if (!rx_ring->count)
1203 rx_ring->count = E1000_DEFAULT_RXD;
1204
cef8c793 1205 rx_ring->buffer_info = kcalloc(rx_ring->count,
e5fe2541 1206 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1207 if (!rx_ring->buffer_info) {
bc7f75fa
AK		 1208 ret_val = 5;
1209 goto err_nomem;
1210 }
bc7f75fa 1211
5f450212 1212 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
bc7f75fa
AK		 1213 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1214 &rx_ring->dma, GFP_KERNEL);
1215 if (!rx_ring->desc) {
1216 ret_val = 6;
1217 goto err_nomem;
1218 }
bc7f75fa
AK		 1219 rx_ring->next_to_use = 0;
1220 rx_ring->next_to_clean = 0;
1221
1222 rctl = er32(RCTL);
7f99ae63
BA		 1223 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1224 ew32(RCTL, rctl & ~E1000_RCTL_EN);
53aa82da
BA		 1225 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1226 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1e36052e
BA		 1227 ew32(RDLEN(0), rx_ring->size);
1228 ew32(RDH(0), 0);
1229 ew32(RDT(0), 0);
bc7f75fa 1230 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
f0ff4398
BA		 1231 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1232 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1233 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1234 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
bc7f75fa
AK		 1235 ew32(RCTL, rctl);
1236
1237 for (i = 0; i < rx_ring->count; i++) {
5f450212 1238 union e1000_rx_desc_extended *rx_desc;
bc7f75fa
AK		 1239 struct sk_buff *skb;
1240
1241 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1242 if (!skb) {
1243 ret_val = 7;
1244 goto err_nomem;
1245 }
1246 skb_reserve(skb, NET_IP_ALIGN);
1247 rx_ring->buffer_info[i].skb = skb;
1248 rx_ring->buffer_info[i].dma =
f0ff4398
BA		 1249 dma_map_single(&pdev->dev, skb->data, 2048,
1250 DMA_FROM_DEVICE);
0be3f55f
NN		 1251 if (dma_mapping_error(&pdev->dev,
1252 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1253 ret_val = 8;
1254 goto err_nomem;
1255 }
5f450212
BA		 1256 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1257 rx_desc->read.buffer_addr =
1258 cpu_to_le64(rx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1259 memset(skb->data, 0x00, skb->len);
1260 }
1261
1262 return 0;
1263
1264err_nomem:
1265 e1000_free_desc_rings(adapter);
1266 return ret_val;
1267}
1268
1269static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1270{
1271 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1272 e1e_wphy(&adapter->hw, 29, 0x001F);
1273 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1274 e1e_wphy(&adapter->hw, 29, 0x001A);
1275 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1276}
1277
1278static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1279{
1280 struct e1000_hw *hw = &adapter->hw;
1281 u32 ctrl_reg = 0;
97ac8cae 1282 u16 phy_reg = 0;
cbd006cb 1283 s32 ret_val = 0;
bc7f75fa 1284
318a94d6 1285 hw->mac.autoneg = 0;
bc7f75fa 1286
3af50481 1287 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa 1288 /* force 100, set loopback */
c2ade1a4 1289 e1e_wphy(hw, MII_BMCR, 0x6100);
bc7f75fa
AK		 1290
1291 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1292 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1293 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1294 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1295 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1296 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1297 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1298
1299 ew32(CTRL, ctrl_reg);
945a5151 1300 e1e_flush();
ce43a216 1301 usleep_range(500, 1000);
3af50481
BA		 1302
1303 return 0;
1304 }
1305
1306 /* Specific PHY configuration for loopback */
1307 switch (hw->phy.type) {
1308 case e1000_phy_m88:
1309 /* Auto-MDI/MDIX Off */
1310 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1311 /* reset to update Auto-MDI/MDIX */
c2ade1a4 1312 e1e_wphy(hw, MII_BMCR, 0x9140);
3af50481 1313 /* autoneg off */
c2ade1a4 1314 e1e_wphy(hw, MII_BMCR, 0x8140);
3af50481
BA		 1315 break;
1316 case e1000_phy_gg82563:
1317 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1318 break;
97ac8cae
BA		 1319 case e1000_phy_bm:
1320 /* Set Default MAC Interface speed to 1GB */
1321 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1322 phy_reg &= ~0x0007;
1323 phy_reg |= 0x006;
1324 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1325 /* Assert SW reset for above settings to take effect */
6b598e1e 1326 hw->phy.ops.commit(hw);
ce43a216 1327 usleep_range(1000, 2000);
97ac8cae
BA		 1328 /* Force Full Duplex */
1329 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1330 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1331 /* Set Link Up (in force link) */
1332 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1333 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1334 /* Force Link */
1335 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1336 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1337 /* Set Early Link Enable */
1338 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1339 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1340 break;
1341 case e1000_phy_82577:
1342 case e1000_phy_82578:
1343 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1344 ret_val = hw->phy.ops.acquire(hw);
1345 if (ret_val) {
1346 e_err("Cannot setup 1Gbps loopback.\n");
1347 return ret_val;
1348 }
3af50481 1349 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1350 hw->phy.ops.release(hw);
3af50481 1351 break;
d3738bb8
BA		 1352 case e1000_phy_82579:
1353 /* Disable PHY energy detect power down */
1354 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1355 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1356 /* Disable full chip energy detect */
1357 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1358 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1359 /* Enable loopback on the PHY */
d3738bb8
BA		 1360 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1361 break;
cef8c793 1362 default:
3af50481
BA		 1363 break;
1364 }
bc7f75fa 1365
3af50481 1366 /* force 1000, set loopback */
c2ade1a4 1367 e1e_wphy(hw, MII_BMCR, 0x4140);
ce43a216 1368 msleep(250);
cef8c793 1369
3af50481
BA		 1370 /* Now set up the MAC to the same speed/duplex as the PHY. */
1371 ctrl_reg = er32(CTRL);
1372 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1373 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1374 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1375 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1376 E1000_CTRL_FD); /* Force Duplex to FULL */
1377
1378 if (adapter->flags & FLAG_IS_ICH)
1379 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1380
318a94d6
JK		 1381 if (hw->phy.media_type == e1000_media_type_copper &&
1382 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1383 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1384 } else {
e921eb1a 1385 /* Set the ILOS bit on the fiber Nic if half duplex link is
ad68076e
BA		 1386 * detected.
1387 */
90da0669 1388 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
bc7f75fa
AK		 1389 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1390 }
1391
1392 ew32(CTRL, ctrl_reg);
1393
e921eb1a 1394 /* Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1395 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1396 */
318a94d6 1397 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1398 e1000_phy_disable_receiver(adapter);
1399
ce43a216 1400 usleep_range(500, 1000);
bc7f75fa
AK		 1401
1402 return 0;
1403}
1404
1405static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1406{
1407 struct e1000_hw *hw = &adapter->hw;
1408 u32 ctrl = er32(CTRL);
70806a7f 1409 int link;
bc7f75fa
AK		 1410
1411 /* special requirements for 82571/82572 fiber adapters */
1412
e921eb1a 1413 /* jump through hoops to make sure link is up because serdes
ad68076e
BA		 1414 * link is hardwired up
1415 */
bc7f75fa
AK		 1416 ctrl |= E1000_CTRL_SLU;
1417 ew32(CTRL, ctrl);
1418
1419 /* disable autoneg */
1420 ctrl = er32(TXCW);
1421 ctrl &= ~(1 << 31);
1422 ew32(TXCW, ctrl);
1423
1424 link = (er32(STATUS) & E1000_STATUS_LU);
1425
1426 if (!link) {
1427 /* set invert loss of signal */
1428 ctrl = er32(CTRL);
1429 ctrl |= E1000_CTRL_ILOS;
1430 ew32(CTRL, ctrl);
1431 }
1432
e921eb1a 1433 /* special write to serdes control register to enable SerDes analog
ad68076e
BA		 1434 * loopback
1435 */
3ffcf2cb 1436 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
945a5151 1437 e1e_flush();
1bba4386 1438 usleep_range(10000, 20000);
bc7f75fa
AK		 1439
1440 return 0;
1441}
1442
1443/* only call this for fiber/serdes connections to es2lan */
1444static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1445{
1446 struct e1000_hw *hw = &adapter->hw;
1447 u32 ctrlext = er32(CTRL_EXT);
1448 u32 ctrl = er32(CTRL);
1449
e921eb1a 1450 /* save CTRL_EXT to restore later, reuse an empty variable (unused
ad68076e
BA		 1451 * on mac_type 80003es2lan)
1452 */
bc7f75fa
AK		 1453 adapter->tx_fifo_head = ctrlext;
1454
1455 /* clear the serdes mode bits, putting the device into mac loopback */
1456 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1457 ew32(CTRL_EXT, ctrlext);
1458
1459 /* force speed to 1000/FD, link up */
1460 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1461 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1462 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1463 ew32(CTRL, ctrl);
1464
1465 /* set mac loopback */
1466 ctrl = er32(RCTL);
1467 ctrl |= E1000_RCTL_LBM_MAC;
1468 ew32(RCTL, ctrl);
1469
1470 /* set testing mode parameters (no need to reset later) */
1471#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1472#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1473 ew32(KMRNCTRLSTA,
cef8c793 1474 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1475
1476 return 0;
1477}
1478
1479static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1480{
1481 struct e1000_hw *hw = &adapter->hw;
1482 u32 rctl;
1483
318a94d6
JK		 1484 if (hw->phy.media_type == e1000_media_type_fiber ||
1485 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1486 switch (hw->mac.type) {
1487 case e1000_80003es2lan:
1488 return e1000_set_es2lan_mac_loopback(adapter);
1489 break;
1490 case e1000_82571:
1491 case e1000_82572:
1492 return e1000_set_82571_fiber_loopback(adapter);
1493 break;
1494 default:
1495 rctl = er32(RCTL);
1496 rctl |= E1000_RCTL_LBM_TCVR;
1497 ew32(RCTL, rctl);
1498 return 0;
1499 }
318a94d6 1500 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1501 return e1000_integrated_phy_loopback(adapter);
1502 }
1503
1504 return 7;
1505}
1506
1507static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1508{
1509 struct e1000_hw *hw = &adapter->hw;
1510 u32 rctl;
1511 u16 phy_reg;
1512
1513 rctl = er32(RCTL);
1514 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1515 ew32(RCTL, rctl);
1516
1517 switch (hw->mac.type) {
1518 case e1000_80003es2lan:
318a94d6
JK		 1519 if (hw->phy.media_type == e1000_media_type_fiber ||
1520 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1521 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1522 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1523 adapter->tx_fifo_head = 0;
1524 }
1525 /* fall through */
1526 case e1000_82571:
1527 case e1000_82572:
318a94d6
JK		 1528 if (hw->phy.media_type == e1000_media_type_fiber ||
1529 hw->phy.media_type == e1000_media_type_internal_serdes) {
3ffcf2cb 1530 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
945a5151 1531 e1e_flush();
1bba4386 1532 usleep_range(10000, 20000);
bc7f75fa
AK		 1533 break;
1534 }
1535 /* Fall Through */
1536 default:
1537 hw->mac.autoneg = 1;
1538 if (hw->phy.type == e1000_phy_gg82563)
1539 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
c2ade1a4
BA		 1540 e1e_rphy(hw, MII_BMCR, &phy_reg);
1541 if (phy_reg & BMCR_LOOPBACK) {
1542 phy_reg &= ~BMCR_LOOPBACK;
1543 e1e_wphy(hw, MII_BMCR, phy_reg);
6b598e1e
BA		 1544 if (hw->phy.ops.commit)
1545 hw->phy.ops.commit(hw);
bc7f75fa
AK		 1546 }
1547 break;
1548 }
1549}
1550
1551static void e1000_create_lbtest_frame(struct sk_buff *skb,
1552 unsigned int frame_size)
1553{
1554 memset(skb->data, 0xFF, frame_size);
1555 frame_size &= ~1;
1556 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1557 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1558 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1559}
1560
1561static int e1000_check_lbtest_frame(struct sk_buff *skb,
1562 unsigned int frame_size)
1563{
1564 frame_size &= ~1;
1565 if (*(skb->data + 3) == 0xFF)
1566 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
17e813ec 1567 (*(skb->data + frame_size / 2 + 12) == 0xAF))
bc7f75fa
AK		 1568 return 0;
1569 return 13;
1570}
1571
1572static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1573{
1574 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1575 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1576 struct pci_dev *pdev = adapter->pdev;
1577 struct e1000_hw *hw = &adapter->hw;
17e813ec 1578 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1579 int i, j, k, l;
1580 int lc;
1581 int good_cnt;
1582 int ret_val = 0;
1583 unsigned long time;
1584
1e36052e 1585 ew32(RDT(0), rx_ring->count - 1);
bc7f75fa 1586
e921eb1a 1587 /* Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1588 * The idea is to wrap the largest ring a number of times using 64
1589 * send/receive pairs during each loop
1590 */
1591
1592 if (rx_ring->count <= tx_ring->count)
1593 lc = ((tx_ring->count / 64) * 2) + 1;
1594 else
1595 lc = ((rx_ring->count / 64) * 2) + 1;
1596
1597 k = 0;
1598 l = 0;
33550cec
BA		 1599 /* loop count loop */
1600 for (j = 0; j <= lc; j++) {
1601 /* send the packets */
1602 for (i = 0; i < 64; i++) {
17e813ec
BA		 1603 buffer_info = &tx_ring->buffer_info[k];
1604
1605 e1000_create_lbtest_frame(buffer_info->skb, 1024);
0be3f55f 1606 dma_sync_single_for_device(&pdev->dev,
17e813ec
BA		 1607 buffer_info->dma,
1608 buffer_info->length,
1609 DMA_TO_DEVICE);
bc7f75fa
AK		 1610 k++;
1611 if (k == tx_ring->count)
1612 k = 0;
1613 }
1e36052e 1614 ew32(TDT(0), k);
945a5151 1615 e1e_flush();
bc7f75fa
AK		 1616 msleep(200);
1617 time = jiffies; /* set the start time for the receive */
1618 good_cnt = 0;
33550cec
BA		 1619 /* receive the sent packets */
1620 do {
17e813ec
BA		 1621 buffer_info = &rx_ring->buffer_info[l];
1622
0be3f55f 1623 dma_sync_single_for_cpu(&pdev->dev,
17e813ec
BA		 1624 buffer_info->dma, 2048,
1625 DMA_FROM_DEVICE);
bc7f75fa 1626
17e813ec
BA		 1627 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1628 1024);
bc7f75fa
AK		 1629 if (!ret_val)
1630 good_cnt++;
1631 l++;
1632 if (l == rx_ring->count)
1633 l = 0;
e921eb1a 1634 /* time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1635 * enough time to complete the receives, if it's
1636 * exceeded, break and error off
1637 */
1638 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1639 if (good_cnt != 64) {
1640 ret_val = 13; /* ret_val is the same as mis-compare */
1641 break;
1642 }
cef8c793 1643 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1644 ret_val = 14; /* error code for time out error */
1645 break;
1646 }
33550cec 1647 }
bc7f75fa
AK		 1648 return ret_val;
1649}
1650
1651static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1652{
44abd5c1
BA		 1653 struct e1000_hw *hw = &adapter->hw;
1654
e921eb1a 1655 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
470a5420
BA		 1656 if (hw->phy.ops.check_reset_block &&
1657 hw->phy.ops.check_reset_block(hw)) {
44defeb3 1658 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1659 *data = 0;
1660 goto out;
1661 }
1662
1663 *data = e1000_setup_desc_rings(adapter);
e265522c 1664 if (*data)
bc7f75fa
AK		 1665 goto out;
1666
1667 *data = e1000_setup_loopback_test(adapter);
e265522c 1668 if (*data)
bc7f75fa
AK		 1669 goto err_loopback;
1670
1671 *data = e1000_run_loopback_test(adapter);
1672 e1000_loopback_cleanup(adapter);
1673
1674err_loopback:
1675 e1000_free_desc_rings(adapter);
1676out:
1677 return *data;
1678}
1679
1680static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1681{
1682 struct e1000_hw *hw = &adapter->hw;
1683
1684 *data = 0;
318a94d6 1685 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1686 int i = 0;
612e244c 1687 hw->mac.serdes_has_link = false;
bc7f75fa 1688
e921eb1a 1689 /* On some blade server designs, link establishment
ad68076e
BA		 1690 * could take as long as 2-3 minutes
1691 */
bc7f75fa
AK		 1692 do {
1693 hw->mac.ops.check_for_link(hw);
1694 if (hw->mac.serdes_has_link)
1695 return *data;
1696 msleep(20);
1697 } while (i++ < 3750);
1698
1699 *data = 1;
1700 } else {
1701 hw->mac.ops.check_for_link(hw);
1702 if (hw->mac.autoneg)
e921eb1a 1703 /* On some Phy/switch combinations, link establishment
5661aeb0
BA		 1704 * can take a few seconds more than expected.
1705 */
ce43a216 1706 msleep_interruptible(5000);
bc7f75fa 1707
5661aeb0 1708 if (!(er32(STATUS) & E1000_STATUS_LU))
bc7f75fa
AK		 1709 *data = 1;
1710 }
1711 return *data;
1712}
1713
8bb62869
BA		 1714static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1715 int sset)
bc7f75fa 1716{
b9f2c044
JG		 1717 switch (sset) {
1718 case ETH_SS_TEST:
1719 return E1000_TEST_LEN;
1720 case ETH_SS_STATS:
1721 return E1000_STATS_LEN;
1722 default:
1723 return -EOPNOTSUPP;
1724 }
bc7f75fa
AK		 1725}
1726
1727static void e1000_diag_test(struct net_device *netdev,
1728 struct ethtool_test *eth_test, u64 *data)
1729{
1730 struct e1000_adapter *adapter = netdev_priv(netdev);
1731 u16 autoneg_advertised;
1732 u8 forced_speed_duplex;
1733 u8 autoneg;
1734 bool if_running = netif_running(netdev);
1735
1736 set_bit(__E1000_TESTING, &adapter->state);
31dbe5b4
BA		 1737
1738 if (!if_running) {
1739 /* Get control of and reset hardware */
1740 if (adapter->flags & FLAG_HAS_AMT)
1741 e1000e_get_hw_control(adapter);
1742
1743 e1000e_power_up_phy(adapter);
1744
1745 adapter->hw.phy.autoneg_wait_to_complete = 1;
1746 e1000e_reset(adapter);
1747 adapter->hw.phy.autoneg_wait_to_complete = 0;
1748 }
1749
bc7f75fa
AK		 1750 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1751 /* Offline tests */
1752
1753 /* save speed, duplex, autoneg settings */
1754 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1755 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1756 autoneg = adapter->hw.mac.autoneg;
1757
44defeb3 1758 e_info("offline testing starting\n");
bc7f75fa 1759
bc7f75fa
AK		 1760 if (if_running)
1761 /* indicate we're in test mode */
1762 dev_close(netdev);
bc7f75fa
AK		 1763
1764 if (e1000_reg_test(adapter, &data[0]))
1765 eth_test->flags |= ETH_TEST_FL_FAILED;
1766
1767 e1000e_reset(adapter);
1768 if (e1000_eeprom_test(adapter, &data[1]))
1769 eth_test->flags |= ETH_TEST_FL_FAILED;
1770
1771 e1000e_reset(adapter);
1772 if (e1000_intr_test(adapter, &data[2]))
1773 eth_test->flags |= ETH_TEST_FL_FAILED;
1774
1775 e1000e_reset(adapter);
bc7f75fa
AK		 1776 if (e1000_loopback_test(adapter, &data[3]))
1777 eth_test->flags |= ETH_TEST_FL_FAILED;
1778
c6ce3854
CW		 1779 /* force this routine to wait until autoneg complete/timeout */
1780 adapter->hw.phy.autoneg_wait_to_complete = 1;
1781 e1000e_reset(adapter);
1782 adapter->hw.phy.autoneg_wait_to_complete = 0;
1783
1784 if (e1000_link_test(adapter, &data[4]))
1785 eth_test->flags |= ETH_TEST_FL_FAILED;
1786
bc7f75fa
AK		 1787 /* restore speed, duplex, autoneg settings */
1788 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1789 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1790 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1791 e1000e_reset(adapter);
bc7f75fa
AK		 1792
1793 clear_bit(__E1000_TESTING, &adapter->state);
1794 if (if_running)
1795 dev_open(netdev);
1796 } else {
31dbe5b4 1797 /* Online tests */
11b08be8 1798
44defeb3 1799 e_info("online testing starting\n");
bc7f75fa 1800
31dbe5b4 1801 /* register, eeprom, intr and loopback tests not run online */
bc7f75fa
AK		 1802 data[0] = 0;
1803 data[1] = 0;
1804 data[2] = 0;
1805 data[3] = 0;
1806
31dbe5b4
BA		 1807 if (e1000_link_test(adapter, &data[4]))
1808 eth_test->flags |= ETH_TEST_FL_FAILED;
11b08be8 1809
bc7f75fa
AK		 1810 clear_bit(__E1000_TESTING, &adapter->state);
1811 }
31dbe5b4
BA		 1812
1813 if (!if_running) {
1814 e1000e_reset(adapter);
1815
1816 if (adapter->flags & FLAG_HAS_AMT)
1817 e1000e_release_hw_control(adapter);
1818 }
1819
bc7f75fa
AK		 1820 msleep_interruptible(4 * 1000);
1821}
1822
1823static void e1000_get_wol(struct net_device *netdev,
1824 struct ethtool_wolinfo *wol)
1825{
1826 struct e1000_adapter *adapter = netdev_priv(netdev);
1827
1828 wol->supported = 0;
1829 wol->wolopts = 0;
1830
6ff68026
RW		 1831 if (!(adapter->flags & FLAG_HAS_WOL) ||
1832 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1833 return;
1834
1835 wol->supported = WAKE_UCAST | WAKE_MCAST |
4a29e155 1836 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
bc7f75fa
AK		 1837
1838 /* apply any specific unsupported masks here */
1839 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1840 wol->supported &= ~WAKE_UCAST;
1841
1842 if (adapter->wol & E1000_WUFC_EX)
6ad65145 1843 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
bc7f75fa
AK		 1844 }
1845
1846 if (adapter->wol & E1000_WUFC_EX)
1847 wol->wolopts |= WAKE_UCAST;
1848 if (adapter->wol & E1000_WUFC_MC)
1849 wol->wolopts |= WAKE_MCAST;
1850 if (adapter->wol & E1000_WUFC_BC)
1851 wol->wolopts |= WAKE_BCAST;
1852 if (adapter->wol & E1000_WUFC_MAG)
1853 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1854 if (adapter->wol & E1000_WUFC_LNKC)
1855 wol->wolopts |= WAKE_PHY;
bc7f75fa
AK		 1856}
1857
4a29e155 1858static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
bc7f75fa
AK		 1859{
1860 struct e1000_adapter *adapter = netdev_priv(netdev);
1861
6ff68026 1862 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1863 !device_can_wakeup(&adapter->pdev->dev) ||
1864 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
4a29e155 1865 WAKE_MAGIC | WAKE_PHY)))
1fbfca32 1866 return -EOPNOTSUPP;
bc7f75fa
AK		 1867
1868 /* these settings will always override what we currently have */
1869 adapter->wol = 0;
1870
1871 if (wol->wolopts & WAKE_UCAST)
1872 adapter->wol |= E1000_WUFC_EX;
1873 if (wol->wolopts & WAKE_MCAST)
1874 adapter->wol |= E1000_WUFC_MC;
1875 if (wol->wolopts & WAKE_BCAST)
1876 adapter->wol |= E1000_WUFC_BC;
1877 if (wol->wolopts & WAKE_MAGIC)
1878 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1879 if (wol->wolopts & WAKE_PHY)
1880 adapter->wol |= E1000_WUFC_LNKC;
bc7f75fa 1881
6ff68026
RW		 1882 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1883
bc7f75fa
AK		 1884 return 0;
1885}
1886
dbf80dcb
BA		 1887static int e1000_set_phys_id(struct net_device *netdev,
1888 enum ethtool_phys_id_state state)
bc7f75fa
AK		 1889{
1890 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1891 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1892
dbf80dcb
BA		 1893 switch (state) {
1894 case ETHTOOL_ID_ACTIVE:
1895 if (!hw->mac.ops.blink_led)
1896 return 2; /* cycle on/off twice per second */
bc7f75fa 1897
dbf80dcb
BA		 1898 hw->mac.ops.blink_led(hw);
1899 break;
1900
1901 case ETHTOOL_ID_INACTIVE:
4662e82b
BA		 1902 if (hw->phy.type == e1000_phy_ife)
1903 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
dbf80dcb
BA		 1904 hw->mac.ops.led_off(hw);
1905 hw->mac.ops.cleanup_led(hw);
1906 break;
bc7f75fa 1907
dbf80dcb 1908 case ETHTOOL_ID_ON:
f23efdff 1909 hw->mac.ops.led_on(hw);
dbf80dcb 1910 break;
bc7f75fa 1911
dbf80dcb 1912 case ETHTOOL_ID_OFF:
f23efdff 1913 hw->mac.ops.led_off(hw);
dbf80dcb
BA		 1914 break;
1915 }
bc7f75fa
AK		 1916 return 0;
1917}
1918
de5b3077
AK		 1919static int e1000_get_coalesce(struct net_device *netdev,
1920 struct ethtool_coalesce *ec)
1921{
1922 struct e1000_adapter *adapter = netdev_priv(netdev);
1923
eab2abf5 1924 if (adapter->itr_setting <= 4)
de5b3077
AK		 1925 ec->rx_coalesce_usecs = adapter->itr_setting;
1926 else
1927 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1928
1929 return 0;
1930}
1931
1932static int e1000_set_coalesce(struct net_device *netdev,
1933 struct ethtool_coalesce *ec)
1934{
1935 struct e1000_adapter *adapter = netdev_priv(netdev);
de5b3077
AK		 1936
1937 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1938 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1939 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1940 (ec->rx_coalesce_usecs == 2))
1941 return -EINVAL;
1942
eab2abf5 1943 if (ec->rx_coalesce_usecs == 4) {
06a402ef
BA		 1944 adapter->itr_setting = 4;
1945 adapter->itr = adapter->itr_setting;
eab2abf5 1946 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1947 adapter->itr = 20000;
1948 adapter->itr_setting = ec->rx_coalesce_usecs;
1949 } else {
1950 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1951 adapter->itr_setting = adapter->itr & ~3;
1952 }
1953
1954 if (adapter->itr_setting != 0)
22a4cca2 1955 e1000e_write_itr(adapter, adapter->itr);
de5b3077 1956 else
22a4cca2 1957 e1000e_write_itr(adapter, 0);
de5b3077
AK		 1958
1959 return 0;
1960}
1961
bc7f75fa
AK		 1962static int e1000_nway_reset(struct net_device *netdev)
1963{
1964 struct e1000_adapter *adapter = netdev_priv(netdev);
5962bc21
BA		 1965
1966 if (!netif_running(netdev))
1967 return -EAGAIN;
1968
1969 if (!adapter->hw.mac.autoneg)
1970 return -EINVAL;
1971
1972 e1000e_reinit_locked(adapter);
1973
bc7f75fa
AK		 1974 return 0;
1975}
1976
bc7f75fa 1977static void e1000_get_ethtool_stats(struct net_device *netdev,
8bb62869 1978 struct ethtool_stats __always_unused *stats,
bc7f75fa
AK		 1979 u64 *data)
1980{
1981 struct e1000_adapter *adapter = netdev_priv(netdev);
67fd4fcb 1982 struct rtnl_link_stats64 net_stats;
bc7f75fa 1983 int i;
e0f36a95 1984 char *p = NULL;
bc7f75fa 1985
67fd4fcb 1986 e1000e_get_stats64(netdev, &net_stats);
bc7f75fa 1987 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1988 switch (e1000_gstrings_stats[i].type) {
1989 case NETDEV_STATS:
53aa82da 1990 p = (char *)&net_stats +
f0ff4398 1991 e1000_gstrings_stats[i].stat_offset;
e0f36a95
AK		 1992 break;
1993 case E1000_STATS:
53aa82da 1994 p = (char *)adapter +
f0ff4398 1995 e1000_gstrings_stats[i].stat_offset;
e0f36a95 1996 break;
61c75816
BA		 1997 default:
1998 data[i] = 0;
1999 continue;
e0f36a95
AK		 2000 }
2001
bc7f75fa 2002 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
f0ff4398 2003 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
bc7f75fa
AK		 2004 }
2005}
2006
8bb62869
BA		 2007static void e1000_get_strings(struct net_device __always_unused *netdev,
2008 u32 stringset, u8 *data)
bc7f75fa
AK		 2009{
2010 u8 *p = data;
2011 int i;
2012
2013 switch (stringset) {
2014 case ETH_SS_TEST:
5c1bda0a 2015 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2016 break;
2017 case ETH_SS_STATS:
2018 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2019 memcpy(p, e1000_gstrings_stats[i].stat_string,
2020 ETH_GSTRING_LEN);
2021 p += ETH_GSTRING_LEN;
2022 }
2023 break;
2024 }
2025}
2026
70495a50 2027static int e1000_get_rxnfc(struct net_device *netdev,
8bb62869
BA		 2028 struct ethtool_rxnfc *info,
2029 u32 __always_unused *rule_locs)
70495a50
BA		 2030{
2031 info->data = 0;
2032
2033 switch (info->cmd) {
2034 case ETHTOOL_GRXFH: {
2035 struct e1000_adapter *adapter = netdev_priv(netdev);
2036 struct e1000_hw *hw = &adapter->hw;
2037 u32 mrqc = er32(MRQC);
2038
2039 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2040 return 0;
2041
2042 switch (info->flow_type) {
2043 case TCP_V4_FLOW:
2044 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2045 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2046 /* fall through */
2047 case UDP_V4_FLOW:
2048 case SCTP_V4_FLOW:
2049 case AH_ESP_V4_FLOW:
2050 case IPV4_FLOW:
2051 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2052 info->data |= RXH_IP_SRC | RXH_IP_DST;
2053 break;
2054 case TCP_V6_FLOW:
2055 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2056 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2057 /* fall through */
2058 case UDP_V6_FLOW:
2059 case SCTP_V6_FLOW:
2060 case AH_ESP_V6_FLOW:
2061 case IPV6_FLOW:
2062 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2063 info->data |= RXH_IP_SRC | RXH_IP_DST;
2064 break;
2065 default:
2066 break;
2067 }
2068 return 0;
2069 }
2070 default:
2071 return -EOPNOTSUPP;
2072 }
2073}
2074
203e4151
BA		 2075static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2076{
2077 struct e1000_adapter *adapter = netdev_priv(netdev);
2078 struct e1000_hw *hw = &adapter->hw;
2079 u16 cap_addr, adv_addr, lpa_addr, pcs_stat_addr, phy_data, lpi_ctrl;
2080 u32 status, ret_val;
2081
2082 if (!(adapter->flags & FLAG_IS_ICH) ||
2083 !(adapter->flags2 & FLAG2_HAS_EEE))
2084 return -EOPNOTSUPP;
2085
2086 switch (hw->phy.type) {
2087 case e1000_phy_82579:
2088 cap_addr = I82579_EEE_CAPABILITY;
2089 adv_addr = I82579_EEE_ADVERTISEMENT;
2090 lpa_addr = I82579_EEE_LP_ABILITY;
2091 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2092 break;
2093 case e1000_phy_i217:
2094 cap_addr = I217_EEE_CAPABILITY;
2095 adv_addr = I217_EEE_ADVERTISEMENT;
2096 lpa_addr = I217_EEE_LP_ABILITY;
2097 pcs_stat_addr = I217_EEE_PCS_STATUS;
2098 break;
2099 default:
2100 return -EOPNOTSUPP;
2101 }
2102
2103 ret_val = hw->phy.ops.acquire(hw);
2104 if (ret_val)
2105 return -EBUSY;
2106
2107 /* EEE Capability */
2108 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2109 if (ret_val)
2110 goto release;
2111 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2112
2113 /* EEE Advertised */
2114 ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &phy_data);
2115 if (ret_val)
2116 goto release;
2117 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2118
2119 /* EEE Link Partner Advertised */
2120 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2121 if (ret_val)
2122 goto release;
2123 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2124
2125 /* EEE PCS Status */
2126 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2127 if (hw->phy.type == e1000_phy_82579)
2128 phy_data <<= 8;
2129
2130release:
2131 hw->phy.ops.release(hw);
2132 if (ret_val)
2133 return -ENODATA;
2134
2135 e1e_rphy(hw, I82579_LPI_CTRL, &lpi_ctrl);
2136 status = er32(STATUS);
2137
2138 /* Result of the EEE auto negotiation - there is no register that
2139 * has the status of the EEE negotiation so do a best-guess based
2140 * on whether both Tx and Rx LPI indications have been received or
2141 * base it on the link speed, the EEE advertised speeds on both ends
2142 * and the speeds on which EEE is enabled locally.
2143 */
2144 if (((phy_data & E1000_EEE_TX_LPI_RCVD) &&
2145 (phy_data & E1000_EEE_RX_LPI_RCVD)) ||
2146 ((status & E1000_STATUS_SPEED_100) &&
2147 (edata->advertised & ADVERTISED_100baseT_Full) &&
2148 (edata->lp_advertised & ADVERTISED_100baseT_Full) &&
2149 (lpi_ctrl & I82579_LPI_CTRL_100_ENABLE)) ||
2150 ((status & E1000_STATUS_SPEED_1000) &&
2151 (edata->advertised & ADVERTISED_1000baseT_Full) &&
2152 (edata->lp_advertised & ADVERTISED_1000baseT_Full) &&
2153 (lpi_ctrl & I82579_LPI_CTRL_1000_ENABLE)))
2154 edata->eee_active = true;
2155
2156 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2157 edata->tx_lpi_enabled = true;
2158 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2159
2160 return 0;
2161}
2162
2163static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2164{
2165 struct e1000_adapter *adapter = netdev_priv(netdev);
2166 struct e1000_hw *hw = &adapter->hw;
2167 struct ethtool_eee eee_curr;
2168 s32 ret_val;
2169
2170 if (!(adapter->flags & FLAG_IS_ICH) ||
2171 !(adapter->flags2 & FLAG2_HAS_EEE))
2172 return -EOPNOTSUPP;
2173
2174 ret_val = e1000e_get_eee(netdev, &eee_curr);
2175 if (ret_val)
2176 return ret_val;
2177
2178 if (eee_curr.advertised != edata->advertised) {
2179 e_err("Setting EEE advertisement is not supported\n");
2180 return -EINVAL;
2181 }
2182
2183 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2184 e_err("Setting EEE tx-lpi is not supported\n");
2185 return -EINVAL;
2186 }
2187
2188 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2189 e_err("Setting EEE Tx LPI timer is not supported\n");
2190 return -EINVAL;
2191 }
2192
2193 if (hw->dev_spec.ich8lan.eee_disable != !edata->eee_enabled) {
2194 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2195
2196 /* reset the link */
2197 if (netif_running(netdev))
2198 e1000e_reinit_locked(adapter);
2199 else
2200 e1000e_reset(adapter);
2201 }
2202
2203 return 0;
2204}
2205
b67e1913
BA		 2206static int e1000e_get_ts_info(struct net_device *netdev,
2207 struct ethtool_ts_info *info)
2208{
2209 struct e1000_adapter *adapter = netdev_priv(netdev);
2210
2211 ethtool_op_get_ts_info(netdev, info);
2212
2213 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2214 return 0;
2215
2216 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2217 SOF_TIMESTAMPING_RX_HARDWARE |
2218 SOF_TIMESTAMPING_RAW_HARDWARE);
2219
2220 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2221
2222 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
d89777bf
BA		 2223 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2224 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2225 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2226 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2227 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2228 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2229 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2230 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2231 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
b67e1913
BA		 2232 (1 << HWTSTAMP_FILTER_ALL));
2233
d89777bf
BA		 2234 if (adapter->ptp_clock)
2235 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2236
b67e1913
BA		 2237 return 0;
2238}
2239
e60b22c5
KK		 2240static int e1000e_ethtool_begin(struct net_device *netdev)
2241{
2242 return pm_runtime_get_sync(netdev->dev.parent);
2243}
2244
2245static void e1000e_ethtool_complete(struct net_device *netdev)
2246{
2247 pm_runtime_put_sync(netdev->dev.parent);
2248}
2249
bc7f75fa 2250static const struct ethtool_ops e1000_ethtool_ops = {
e60b22c5
KK		 2251 .begin = e1000e_ethtool_begin,
2252 .complete = e1000e_ethtool_complete,
bc7f75fa
AK		 2253 .get_settings = e1000_get_settings,
2254 .set_settings = e1000_set_settings,
2255 .get_drvinfo = e1000_get_drvinfo,
2256 .get_regs_len = e1000_get_regs_len,
2257 .get_regs = e1000_get_regs,
2258 .get_wol = e1000_get_wol,
2259 .set_wol = e1000_set_wol,
2260 .get_msglevel = e1000_get_msglevel,
2261 .set_msglevel = e1000_set_msglevel,
2262 .nway_reset = e1000_nway_reset,
ed4ba4b5 2263 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2264 .get_eeprom_len = e1000_get_eeprom_len,
2265 .get_eeprom = e1000_get_eeprom,
2266 .set_eeprom = e1000_set_eeprom,
2267 .get_ringparam = e1000_get_ringparam,
2268 .set_ringparam = e1000_set_ringparam,
2269 .get_pauseparam = e1000_get_pauseparam,
2270 .set_pauseparam = e1000_set_pauseparam,
bc7f75fa
AK		 2271 .self_test = e1000_diag_test,
2272 .get_strings = e1000_get_strings,
dbf80dcb 2273 .set_phys_id = e1000_set_phys_id,
bc7f75fa 2274 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2275 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2276 .get_coalesce = e1000_get_coalesce,
2277 .set_coalesce = e1000_set_coalesce,
70495a50 2278 .get_rxnfc = e1000_get_rxnfc,
b67e1913 2279 .get_ts_info = e1000e_get_ts_info,
203e4151
BA		 2280 .get_eee = e1000e_get_eee,
2281 .set_eee = e1000e_set_eee,
bc7f75fa
AK		 2282};
2283
2284void e1000e_set_ethtool_ops(struct net_device *netdev)
2285{
2286 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2287}
Linux kernel - Deliverables
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