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e1000e: Tx hang on I218 when linked at 100Half and slow response at 10Mbps
[linux-2.6-block.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>
e60b22c5 38#include <linux/pm_runtime.h>
bc7f75fa
AK		 39
40#include "e1000.h"
41
362e20ca 42enum { NETDEV_STATS, E1000_STATS };
e0f36a95 43
bc7f75fa
AK		 44struct e1000_stats {
45 char stat_string[ETH_GSTRING_LEN];
e0f36a95 46 int type;
bc7f75fa
AK		 47 int sizeof_stat;
48 int stat_offset;
49};
50
f0f1a172 51#define E1000_STAT(str, m) { \
67fd4fcb
JK		 52 .stat_string = str, \
53 .type = E1000_STATS, \
54 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
55 .stat_offset = offsetof(struct e1000_adapter, m) }
f0f1a172 56#define E1000_NETDEV_STAT(str, m) { \
67fd4fcb
JK		 57 .stat_string = str, \
58 .type = NETDEV_STATS, \
59 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
60 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
e0f36a95 61
bc7f75fa 62static const struct e1000_stats e1000_gstrings_stats[] = {
f0f1a172
BA		 63 E1000_STAT("rx_packets", stats.gprc),
64 E1000_STAT("tx_packets", stats.gptc),
65 E1000_STAT("rx_bytes", stats.gorc),
66 E1000_STAT("tx_bytes", stats.gotc),
67 E1000_STAT("rx_broadcast", stats.bprc),
68 E1000_STAT("tx_broadcast", stats.bptc),
69 E1000_STAT("rx_multicast", stats.mprc),
70 E1000_STAT("tx_multicast", stats.mptc),
67fd4fcb
JK		 71 E1000_NETDEV_STAT("rx_errors", rx_errors),
72 E1000_NETDEV_STAT("tx_errors", tx_errors),
73 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
f0f1a172
BA		 74 E1000_STAT("multicast", stats.mprc),
75 E1000_STAT("collisions", stats.colc),
67fd4fcb
JK		 76 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
77 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
f0f1a172 78 E1000_STAT("rx_crc_errors", stats.crcerrs),
67fd4fcb 79 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
f0f1a172
BA		 80 E1000_STAT("rx_no_buffer_count", stats.rnbc),
81 E1000_STAT("rx_missed_errors", stats.mpc),
82 E1000_STAT("tx_aborted_errors", stats.ecol),
83 E1000_STAT("tx_carrier_errors", stats.tncrs),
67fd4fcb
JK		 84 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
85 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
f0f1a172
BA		 86 E1000_STAT("tx_window_errors", stats.latecol),
87 E1000_STAT("tx_abort_late_coll", stats.latecol),
88 E1000_STAT("tx_deferred_ok", stats.dc),
89 E1000_STAT("tx_single_coll_ok", stats.scc),
90 E1000_STAT("tx_multi_coll_ok", stats.mcc),
91 E1000_STAT("tx_timeout_count", tx_timeout_count),
92 E1000_STAT("tx_restart_queue", restart_queue),
93 E1000_STAT("rx_long_length_errors", stats.roc),
94 E1000_STAT("rx_short_length_errors", stats.ruc),
95 E1000_STAT("rx_align_errors", stats.algnerrc),
96 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
97 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
98 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
99 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
100 E1000_STAT("tx_flow_control_xon", stats.xontxc),
101 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
f0f1a172
BA		 102 E1000_STAT("rx_csum_offload_good", hw_csum_good),
103 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
104 E1000_STAT("rx_header_split", rx_hdr_split),
105 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
106 E1000_STAT("tx_smbus", stats.mgptc),
107 E1000_STAT("rx_smbus", stats.mgprc),
108 E1000_STAT("dropped_smbus", stats.mgpdc),
109 E1000_STAT("rx_dma_failed", rx_dma_failed),
110 E1000_STAT("tx_dma_failed", tx_dma_failed),
b67e1913 111 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
94fb848b
BA		 112 E1000_STAT("uncorr_ecc_errors", uncorr_errors),
113 E1000_STAT("corr_ecc_errors", corr_errors),
bc7f75fa
AK		 114};
115
c00acf46 116#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 117#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
118static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
119 "Register test (offline)", "Eeprom test (offline)",
120 "Interrupt test (offline)", "Loopback test (offline)",
121 "Link test (on/offline)"
122};
fc830b78 123
ad68076e 124#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 125
126static int e1000_get_settings(struct net_device *netdev,
127 struct ethtool_cmd *ecmd)
128{
129 struct e1000_adapter *adapter = netdev_priv(netdev);
130 struct e1000_hw *hw = &adapter->hw;
70739497 131 u32 speed;
bc7f75fa 132
318a94d6 133 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 134 ecmd->supported = (SUPPORTED_10baseT_Half |
135 SUPPORTED_10baseT_Full |
136 SUPPORTED_100baseT_Half |
137 SUPPORTED_100baseT_Full |
138 SUPPORTED_1000baseT_Full |
139 SUPPORTED_Autoneg |
140 SUPPORTED_TP);
141 if (hw->phy.type == e1000_phy_ife)
142 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
143 ecmd->advertising = ADVERTISED_TP;
144
145 if (hw->mac.autoneg == 1) {
146 ecmd->advertising |= ADVERTISED_Autoneg;
147 /* the e1000 autoneg seems to match ethtool nicely */
148 ecmd->advertising |= hw->phy.autoneg_advertised;
149 }
150
151 ecmd->port = PORT_TP;
152 ecmd->phy_address = hw->phy.addr;
153 ecmd->transceiver = XCVR_INTERNAL;
154
155 } else {
156 ecmd->supported = (SUPPORTED_1000baseT_Full |
157 SUPPORTED_FIBRE |
158 SUPPORTED_Autoneg);
159
160 ecmd->advertising = (ADVERTISED_1000baseT_Full |
161 ADVERTISED_FIBRE |
162 ADVERTISED_Autoneg);
163
164 ecmd->port = PORT_FIBRE;
165 ecmd->transceiver = XCVR_EXTERNAL;
166 }
167
70739497 168 speed = -1;
0c6bdb30
BA		 169 ecmd->duplex = -1;
170
171 if (netif_running(netdev)) {
172 if (netif_carrier_ok(netdev)) {
70739497 173 speed = adapter->link_speed;
0c6bdb30
BA		 174 ecmd->duplex = adapter->link_duplex - 1;
175 }
bc7f75fa 176 } else {
0c6bdb30
BA		 177 u32 status = er32(STATUS);
178 if (status & E1000_STATUS_LU) {
179 if (status & E1000_STATUS_SPEED_1000)
70739497 180 speed = SPEED_1000;
0c6bdb30 181 else if (status & E1000_STATUS_SPEED_100)
70739497 182 speed = SPEED_100;
0c6bdb30 183 else
70739497 184 speed = SPEED_10;
0c6bdb30
BA		 185
186 if (status & E1000_STATUS_FD)
187 ecmd->duplex = DUPLEX_FULL;
188 else
189 ecmd->duplex = DUPLEX_HALF;
190 }
bc7f75fa
AK		 191 }
192
70739497 193 ethtool_cmd_speed_set(ecmd, speed);
318a94d6 194 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 195 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 196
197 /* MDI-X => 2; MDI =>1; Invalid =>0 */
198 if ((hw->phy.media_type == e1000_media_type_copper) &&
0c6bdb30 199 netif_carrier_ok(netdev))
f0ff4398 200 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X : ETH_TP_MDI;
18760f1e
CL		 201 else
202 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
203
4e8186b6
JB		 204 if (hw->phy.mdix == AUTO_ALL_MODES)
205 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
206 else
207 ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
208
bc7f75fa
AK		 209 return 0;
210}
211
14ad2513 212static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
bc7f75fa
AK		 213{
214 struct e1000_mac_info *mac = &adapter->hw.mac;
215
216 mac->autoneg = 0;
217
14ad2513 218 /* Make sure dplx is at most 1 bit and lsb of speed is not set
e921eb1a
BA		 219 * for the switch() below to work
220 */
14ad2513
DD		 221 if ((spd & 1) || (dplx & ~1))
222 goto err_inval;
223
bc7f75fa 224 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 225 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
e5fe2541 226 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
14ad2513 227 goto err_inval;
bc7f75fa
AK		 228 }
229
14ad2513 230 switch (spd + dplx) {
bc7f75fa
AK		 231 case SPEED_10 + DUPLEX_HALF:
232 mac->forced_speed_duplex = ADVERTISE_10_HALF;
233 break;
234 case SPEED_10 + DUPLEX_FULL:
235 mac->forced_speed_duplex = ADVERTISE_10_FULL;
236 break;
237 case SPEED_100 + DUPLEX_HALF:
238 mac->forced_speed_duplex = ADVERTISE_100_HALF;
239 break;
240 case SPEED_100 + DUPLEX_FULL:
241 mac->forced_speed_duplex = ADVERTISE_100_FULL;
242 break;
243 case SPEED_1000 + DUPLEX_FULL:
244 mac->autoneg = 1;
245 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
246 break;
e80bd1d1 247 case SPEED_1000 + DUPLEX_HALF: /* not supported */
bc7f75fa 248 default:
14ad2513 249 goto err_inval;
bc7f75fa 250 }
4e8186b6
JB		 251
252 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
253 adapter->hw.phy.mdix = AUTO_ALL_MODES;
254
bc7f75fa 255 return 0;
14ad2513
DD		 256
257err_inval:
258 e_err("Unsupported Speed/Duplex configuration\n");
259 return -EINVAL;
bc7f75fa
AK		 260}
261
262static int e1000_set_settings(struct net_device *netdev,
263 struct ethtool_cmd *ecmd)
264{
265 struct e1000_adapter *adapter = netdev_priv(netdev);
266 struct e1000_hw *hw = &adapter->hw;
267
e921eb1a 268 /* When SoL/IDER sessions are active, autoneg/speed/duplex
ad68076e
BA		 269 * cannot be changed
270 */
470a5420
BA		 271 if (hw->phy.ops.check_reset_block &&
272 hw->phy.ops.check_reset_block(hw)) {
6ad65145 273 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
bc7f75fa
AK		 274 return -EINVAL;
275 }
276
e921eb1a 277 /* MDI setting is only allowed when autoneg enabled because
4e8186b6
JB		 278 * some hardware doesn't allow MDI setting when speed or
279 * duplex is forced.
280 */
281 if (ecmd->eth_tp_mdix_ctrl) {
282 if (hw->phy.media_type != e1000_media_type_copper)
283 return -EOPNOTSUPP;
284
285 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
286 (ecmd->autoneg != AUTONEG_ENABLE)) {
287 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
288 return -EINVAL;
289 }
290 }
291
bc7f75fa 292 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 293 usleep_range(1000, 2000);
bc7f75fa
AK		 294
295 if (ecmd->autoneg == AUTONEG_ENABLE) {
296 hw->mac.autoneg = 1;
318a94d6 297 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa 298 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
f0ff4398 299 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
bc7f75fa
AK		 300 else
301 hw->phy.autoneg_advertised = ecmd->advertising |
f0ff4398 302 ADVERTISED_TP | ADVERTISED_Autoneg;
bc7f75fa 303 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 304 if (adapter->fc_autoneg)
5c48ef3e 305 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa 306 } else {
25db0338 307 u32 speed = ethtool_cmd_speed(ecmd);
4e8186b6 308 /* calling this overrides forced MDI setting */
14ad2513 309 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
bc7f75fa
AK		 310 clear_bit(__E1000_RESETTING, &adapter->state);
311 return -EINVAL;
312 }
313 }
314
4e8186b6
JB		 315 /* MDI-X => 2; MDI => 1; Auto => 3 */
316 if (ecmd->eth_tp_mdix_ctrl) {
e921eb1a 317 /* fix up the value for auto (3 => 0) as zero is mapped
4e8186b6
JB		 318 * internally to auto
319 */
320 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
321 hw->phy.mdix = AUTO_ALL_MODES;
322 else
323 hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
324 }
325
bc7f75fa 326 /* reset the link */
bc7f75fa
AK		 327 if (netif_running(adapter->netdev)) {
328 e1000e_down(adapter);
329 e1000e_up(adapter);
a7a1d9da 330 } else {
bc7f75fa 331 e1000e_reset(adapter);
a7a1d9da 332 }
bc7f75fa
AK		 333
334 clear_bit(__E1000_RESETTING, &adapter->state);
335 return 0;
336}
337
338static void e1000_get_pauseparam(struct net_device *netdev,
339 struct ethtool_pauseparam *pause)
340{
341 struct e1000_adapter *adapter = netdev_priv(netdev);
342 struct e1000_hw *hw = &adapter->hw;
343
344 pause->autoneg =
f0ff4398 345 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
bc7f75fa 346
5c48ef3e 347 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 348 pause->rx_pause = 1;
5c48ef3e 349 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 350 pause->tx_pause = 1;
5c48ef3e 351 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 352 pause->rx_pause = 1;
353 pause->tx_pause = 1;
354 }
355}
356
357static int e1000_set_pauseparam(struct net_device *netdev,
358 struct ethtool_pauseparam *pause)
359{
360 struct e1000_adapter *adapter = netdev_priv(netdev);
361 struct e1000_hw *hw = &adapter->hw;
362 int retval = 0;
363
364 adapter->fc_autoneg = pause->autoneg;
365
366 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 367 usleep_range(1000, 2000);
bc7f75fa 368
bc7f75fa 369 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 370 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 371 if (netif_running(adapter->netdev)) {
372 e1000e_down(adapter);
373 e1000e_up(adapter);
374 } else {
375 e1000e_reset(adapter);
376 }
377 } else {
5c48ef3e
BA		 378 if (pause->rx_pause && pause->tx_pause)
379 hw->fc.requested_mode = e1000_fc_full;
380 else if (pause->rx_pause && !pause->tx_pause)
381 hw->fc.requested_mode = e1000_fc_rx_pause;
382 else if (!pause->rx_pause && pause->tx_pause)
383 hw->fc.requested_mode = e1000_fc_tx_pause;
384 else if (!pause->rx_pause && !pause->tx_pause)
385 hw->fc.requested_mode = e1000_fc_none;
386
387 hw->fc.current_mode = hw->fc.requested_mode;
388
945eb313
BA		 389 if (hw->phy.media_type == e1000_media_type_fiber) {
390 retval = hw->mac.ops.setup_link(hw);
391 /* implicit goto out */
392 } else {
393 retval = e1000e_force_mac_fc(hw);
394 if (retval)
395 goto out;
396 e1000e_set_fc_watermarks(hw);
397 }
bc7f75fa
AK		 398 }
399
945eb313 400out:
bc7f75fa
AK		 401 clear_bit(__E1000_RESETTING, &adapter->state);
402 return retval;
403}
404
bc7f75fa
AK		 405static u32 e1000_get_msglevel(struct net_device *netdev)
406{
407 struct e1000_adapter *adapter = netdev_priv(netdev);
408 return adapter->msg_enable;
409}
410
411static void e1000_set_msglevel(struct net_device *netdev, u32 data)
412{
413 struct e1000_adapter *adapter = netdev_priv(netdev);
414 adapter->msg_enable = data;
415}
416
8bb62869 417static int e1000_get_regs_len(struct net_device __always_unused *netdev)
bc7f75fa 418{
e80bd1d1 419#define E1000_REGS_LEN 32 /* overestimate */
bc7f75fa
AK		 420 return E1000_REGS_LEN * sizeof(u32);
421}
422
423static void e1000_get_regs(struct net_device *netdev,
424 struct ethtool_regs *regs, void *p)
425{
426 struct e1000_adapter *adapter = netdev_priv(netdev);
427 struct e1000_hw *hw = &adapter->hw;
428 u32 *regs_buff = p;
429 u16 phy_data;
bc7f75fa
AK		 430
431 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
432
ff938e43 433 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
f0ff4398 434 adapter->pdev->device;
bc7f75fa 435
e80bd1d1
BA		 436 regs_buff[0] = er32(CTRL);
437 regs_buff[1] = er32(STATUS);
bc7f75fa 438
e80bd1d1
BA		 439 regs_buff[2] = er32(RCTL);
440 regs_buff[3] = er32(RDLEN(0));
441 regs_buff[4] = er32(RDH(0));
442 regs_buff[5] = er32(RDT(0));
443 regs_buff[6] = er32(RDTR);
bc7f75fa 444
e80bd1d1
BA		 445 regs_buff[7] = er32(TCTL);
446 regs_buff[8] = er32(TDLEN(0));
447 regs_buff[9] = er32(TDH(0));
1e36052e 448 regs_buff[10] = er32(TDT(0));
bc7f75fa
AK		 449 regs_buff[11] = er32(TIDV);
450
e80bd1d1 451 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 452
453 /* ethtool doesn't use anything past this point, so all this
e921eb1a
BA		 454 * code is likely legacy junk for apps that may or may not exist
455 */
bc7f75fa
AK		 456 if (hw->phy.type == e1000_phy_m88) {
457 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
458 regs_buff[13] = (u32)phy_data; /* cable length */
459 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
460 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
461 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
462 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
463 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
464 regs_buff[18] = regs_buff[13]; /* cable polarity */
465 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
466 regs_buff[20] = regs_buff[17]; /* polarity correction */
467 /* phy receive errors */
468 regs_buff[22] = adapter->phy_stats.receive_errors;
469 regs_buff[23] = regs_buff[13]; /* mdix mode */
470 }
c2ade1a4
BA		 471 regs_buff[21] = 0; /* was idle_errors */
472 e1e_rphy(hw, MII_STAT1000, &phy_data);
473 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
474 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
bc7f75fa
AK		 475}
476
477static int e1000_get_eeprom_len(struct net_device *netdev)
478{
479 struct e1000_adapter *adapter = netdev_priv(netdev);
480 return adapter->hw.nvm.word_size * 2;
481}
482
483static int e1000_get_eeprom(struct net_device *netdev,
484 struct ethtool_eeprom *eeprom, u8 *bytes)
485{
486 struct e1000_adapter *adapter = netdev_priv(netdev);
487 struct e1000_hw *hw = &adapter->hw;
488 u16 *eeprom_buff;
489 int first_word;
490 int last_word;
491 int ret_val = 0;
492 u16 i;
493
494 if (eeprom->len == 0)
495 return -EINVAL;
496
497 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
498
499 first_word = eeprom->offset >> 1;
500 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
501
17e813ec
BA		 502 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
503 GFP_KERNEL);
bc7f75fa
AK		 504 if (!eeprom_buff)
505 return -ENOMEM;
506
507 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
508 ret_val = e1000_read_nvm(hw, first_word,
509 last_word - first_word + 1,
510 eeprom_buff);
511 } else {
512 for (i = 0; i < last_word - first_word + 1; i++) {
513 ret_val = e1000_read_nvm(hw, first_word + i, 1,
17e813ec 514 &eeprom_buff[i]);
e243455d 515 if (ret_val)
bc7f75fa
AK		 516 break;
517 }
518 }
519
e243455d
BA		 520 if (ret_val) {
521 /* a read error occurred, throw away the result */
8528b016
RK		 522 memset(eeprom_buff, 0xff, sizeof(u16) *
523 (last_word - first_word + 1));
e243455d
BA		 524 } else {
525 /* Device's eeprom is always little-endian, word addressable */
526 for (i = 0; i < last_word - first_word + 1; i++)
527 le16_to_cpus(&eeprom_buff[i]);
528 }
bc7f75fa
AK		 529
530 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
531 kfree(eeprom_buff);
532
533 return ret_val;
534}
535
536static int e1000_set_eeprom(struct net_device *netdev,
537 struct ethtool_eeprom *eeprom, u8 *bytes)
538{
539 struct e1000_adapter *adapter = netdev_priv(netdev);
540 struct e1000_hw *hw = &adapter->hw;
541 u16 *eeprom_buff;
542 void *ptr;
543 int max_len;
544 int first_word;
545 int last_word;
546 int ret_val = 0;
547 u16 i;
548
549 if (eeprom->len == 0)
550 return -EOPNOTSUPP;
551
c29c3ba5
BA		 552 if (eeprom->magic !=
553 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
bc7f75fa
AK		 554 return -EFAULT;
555
4a770358
BA		 556 if (adapter->flags & FLAG_READ_ONLY_NVM)
557 return -EINVAL;
558
bc7f75fa
AK		 559 max_len = hw->nvm.word_size * 2;
560
561 first_word = eeprom->offset >> 1;
562 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
563 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
564 if (!eeprom_buff)
565 return -ENOMEM;
566
567 ptr = (void *)eeprom_buff;
568
569 if (eeprom->offset & 1) {
570 /* need read/modify/write of first changed EEPROM word */
571 /* only the second byte of the word is being modified */
572 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
573 ptr++;
574 }
9e2d7657 575 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
bc7f75fa
AK		 576 /* need read/modify/write of last changed EEPROM word */
577 /* only the first byte of the word is being modified */
578 ret_val = e1000_read_nvm(hw, last_word, 1,
17e813ec 579 &eeprom_buff[last_word - first_word]);
bc7f75fa 580
e243455d
BA		 581 if (ret_val)
582 goto out;
583
bc7f75fa
AK		 584 /* Device's eeprom is always little-endian, word addressable */
585 for (i = 0; i < last_word - first_word + 1; i++)
586 le16_to_cpus(&eeprom_buff[i]);
587
588 memcpy(ptr, bytes, eeprom->len);
589
590 for (i = 0; i < last_word - first_word + 1; i++)
e885d762 591 cpu_to_le16s(&eeprom_buff[i]);
bc7f75fa
AK		 592
593 ret_val = e1000_write_nvm(hw, first_word,
594 last_word - first_word + 1, eeprom_buff);
595
e243455d
BA		 596 if (ret_val)
597 goto out;
598
e921eb1a 599 /* Update the checksum over the first part of the EEPROM if needed
e243455d 600 * and flush shadow RAM for applicable controllers
ad68076e 601 */
e243455d 602 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 603 (hw->mac.type == e1000_82583) ||
604 (hw->mac.type == e1000_82574) ||
605 (hw->mac.type == e1000_82573))
e243455d 606 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 607
e243455d 608out:
bc7f75fa
AK		 609 kfree(eeprom_buff);
610 return ret_val;
611}
612
613static void e1000_get_drvinfo(struct net_device *netdev,
614 struct ethtool_drvinfo *drvinfo)
615{
616 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa 617
e5fe2541 618 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
33a5ba14 619 strlcpy(drvinfo->version, e1000e_driver_version,
612a94d6 620 sizeof(drvinfo->version));
bc7f75fa 621
e921eb1a 622 /* EEPROM image version # is reported as firmware version # for
ad68076e
BA		 623 * PCI-E controllers
624 */
612a94d6 625 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
17e813ec
BA		 626 "%d.%d-%d",
627 (adapter->eeprom_vers & 0xF000) >> 12,
628 (adapter->eeprom_vers & 0x0FF0) >> 4,
629 (adapter->eeprom_vers & 0x000F));
bc7f75fa 630
612a94d6
RJ		 631 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
632 sizeof(drvinfo->bus_info));
bc7f75fa
AK		 633 drvinfo->regdump_len = e1000_get_regs_len(netdev);
634 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
635}
636
637static void e1000_get_ringparam(struct net_device *netdev,
638 struct ethtool_ringparam *ring)
639{
640 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa
AK		 641
642 ring->rx_max_pending = E1000_MAX_RXD;
643 ring->tx_max_pending = E1000_MAX_TXD;
508da426
BA		 644 ring->rx_pending = adapter->rx_ring_count;
645 ring->tx_pending = adapter->tx_ring_count;
bc7f75fa
AK		 646}
647
648static int e1000_set_ringparam(struct net_device *netdev,
649 struct ethtool_ringparam *ring)
650{
651 struct e1000_adapter *adapter = netdev_priv(netdev);
508da426
BA		 652 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
653 int err = 0, size = sizeof(struct e1000_ring);
654 bool set_tx = false, set_rx = false;
655 u16 new_rx_count, new_tx_count;
bc7f75fa
AK		 656
657 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
658 return -EINVAL;
659
508da426
BA		 660 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
661 E1000_MAX_RXD);
662 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
bc7f75fa 663
508da426
BA		 664 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
665 E1000_MAX_TXD);
666 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
bc7f75fa 667
508da426
BA		 668 if ((new_tx_count == adapter->tx_ring_count) &&
669 (new_rx_count == adapter->rx_ring_count))
670 /* nothing to do */
671 return 0;
bc7f75fa 672
508da426
BA		 673 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
674 usleep_range(1000, 2000);
bc7f75fa 675
508da426
BA		 676 if (!netif_running(adapter->netdev)) {
677 /* Set counts now and allocate resources during open() */
678 adapter->tx_ring->count = new_tx_count;
679 adapter->rx_ring->count = new_rx_count;
680 adapter->tx_ring_count = new_tx_count;
681 adapter->rx_ring_count = new_rx_count;
682 goto clear_reset;
683 }
bc7f75fa 684
508da426
BA		 685 set_tx = (new_tx_count != adapter->tx_ring_count);
686 set_rx = (new_rx_count != adapter->rx_ring_count);
bc7f75fa 687
508da426
BA		 688 /* Allocate temporary storage for ring updates */
689 if (set_tx) {
690 temp_tx = vmalloc(size);
691 if (!temp_tx) {
692 err = -ENOMEM;
693 goto free_temp;
694 }
695 }
696 if (set_rx) {
697 temp_rx = vmalloc(size);
698 if (!temp_rx) {
699 err = -ENOMEM;
700 goto free_temp;
701 }
702 }
bc7f75fa 703
508da426 704 e1000e_down(adapter);
bc7f75fa 705
e921eb1a 706 /* We can't just free everything and then setup again, because the
508da426
BA		 707 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
708 * structs. First, attempt to allocate new resources...
709 */
710 if (set_tx) {
711 memcpy(temp_tx, adapter->tx_ring, size);
712 temp_tx->count = new_tx_count;
713 err = e1000e_setup_tx_resources(temp_tx);
bc7f75fa 714 if (err)
508da426
BA		 715 goto err_setup;
716 }
717 if (set_rx) {
718 memcpy(temp_rx, adapter->rx_ring, size);
719 temp_rx->count = new_rx_count;
720 err = e1000e_setup_rx_resources(temp_rx);
bc7f75fa 721 if (err)
508da426
BA		 722 goto err_setup_rx;
723 }
724
725 /* ...then free the old resources and copy back any new ring data */
726 if (set_tx) {
55aa6985 727 e1000e_free_tx_resources(adapter->tx_ring);
508da426
BA		 728 memcpy(adapter->tx_ring, temp_tx, size);
729 adapter->tx_ring_count = new_tx_count;
730 }
731 if (set_rx) {
732 e1000e_free_rx_resources(adapter->rx_ring);
733 memcpy(adapter->rx_ring, temp_rx, size);
734 adapter->rx_ring_count = new_rx_count;
bc7f75fa
AK		 735 }
736
bc7f75fa 737err_setup_rx:
508da426
BA		 738 if (err && set_tx)
739 e1000e_free_tx_resources(temp_tx);
bc7f75fa 740err_setup:
508da426
BA		 741 e1000e_up(adapter);
742free_temp:
743 vfree(temp_tx);
744 vfree(temp_rx);
745clear_reset:
bc7f75fa
AK		 746 clear_bit(__E1000_RESETTING, &adapter->state);
747 return err;
748}
749
cef8c793
BA		 750static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
751 int reg, int offset, u32 mask, u32 write)
2a887191 752{
cef8c793 753 u32 pat, val;
6480641e 754 static const u32 test[] = {
04e115cf
BA		 755 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
756 };
cef8c793 757 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 758 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 759 (test[pat] & write));
760 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
761 if (val != (test[pat] & write & mask)) {
a8fc1891
BA		 762 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
763 reg + (offset << 2), val,
764 (test[pat] & write & mask));
2a887191 765 *data = reg;
cef8c793 766 return 1;
2a887191
JP		 767 }
768 }
cef8c793 769 return 0;
bc7f75fa
AK		 770}
771
2a887191
JP		 772static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
773 int reg, u32 mask, u32 write)
774{
cef8c793 775 u32 val;
2a887191 776 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 777 val = __er32(&adapter->hw, reg);
778 if ((write & mask) != (val & mask)) {
a8fc1891 779 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
6ad65145 780 reg, (val & mask), (write & mask));
2a887191 781 *data = reg;
cef8c793 782 return 1;
2a887191 783 }
cef8c793 784 return 0;
bc7f75fa 785}
fc830b78 786
cef8c793
BA		 787#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
788 do { \
789 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
790 return 1; \
2a887191 791 } while (0)
cef8c793
BA		 792#define REG_PATTERN_TEST(reg, mask, write) \
793 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 794
cef8c793
BA		 795#define REG_SET_AND_CHECK(reg, mask, write) \
796 do { \
797 if (reg_set_and_check(adapter, data, reg, mask, write)) \
798 return 1; \
2a887191
JP		 799 } while (0)
800
bc7f75fa
AK		 801static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
802{
803 struct e1000_hw *hw = &adapter->hw;
804 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 805 u32 value;
806 u32 before;
807 u32 after;
808 u32 i;
809 u32 toggle;
a4f58f54 810 u32 mask;
2fbe4526 811 u32 wlock_mac = 0;
bc7f75fa 812
e921eb1a 813 /* The status register is Read Only, so a write should fail.
33550cec
BA		 814 * Some bits that get toggled are ignored. There are several bits
815 * on newer hardware that are r/w.
bc7f75fa
AK		 816 */
817 switch (mac->type) {
bc7f75fa
AK		 818 case e1000_82571:
819 case e1000_82572:
820 case e1000_80003es2lan:
821 toggle = 0x7FFFF3FF;
822 break;
f0ff4398 823 default:
bc7f75fa
AK		 824 toggle = 0x7FFFF033;
825 break;
bc7f75fa
AK		 826 }
827
828 before = er32(STATUS);
829 value = (er32(STATUS) & toggle);
830 ew32(STATUS, toggle);
831 after = er32(STATUS) & toggle;
832 if (value != after) {
6ad65145
BA		 833 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
834 after, value);
bc7f75fa
AK		 835 *data = 1;
836 return 1;
837 }
838 /* restore previous status */
839 ew32(STATUS, before);
840
97ac8cae 841 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 842 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
843 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
846 }
847
848 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
1e36052e
BA		 849 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
850 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
851 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
852 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
bc7f75fa
AK		 853 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
854 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
855 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
1e36052e
BA		 856 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
857 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
bc7f75fa
AK		 858
859 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
860
97ac8cae 861 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 862 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
863 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
864
8658251d 865 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
1e36052e 866 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 867 if (!(adapter->flags & FLAG_IS_ICH))
8658251d 868 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
1e36052e 869 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
8658251d 870 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 871 mask = 0x8003FFFF;
872 switch (mac->type) {
873 case e1000_ich10lan:
874 case e1000_pchlan:
d3738bb8 875 case e1000_pch2lan:
2fbe4526 876 case e1000_pch_lpt:
a4f58f54
BA		 877 mask |= (1 << 18);
878 break;
879 default:
880 break;
881 }
2fbe4526
BA		 882
883 if (mac->type == e1000_pch_lpt)
884 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
885 E1000_FWSM_WLOCK_MAC_SHIFT;
886
887 for (i = 0; i < mac->rar_entry_count; i++) {
a8fc1891
BA		 888 if (mac->type == e1000_pch_lpt) {
889 /* Cannot test write-protected SHRAL[n] registers */
890 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
891 continue;
892
893 /* SHRAH[9] different than the others */
894 if (i == 10)
895 mask |= (1 << 30);
896 else
897 mask &= ~(1 << 30);
898 }
2fbe4526 899
a8fc1891
BA		 900 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
901 0xFFFFFFFF);
2fbe4526 902 }
bc7f75fa
AK		 903
904 for (i = 0; i < mac->mta_reg_count; i++)
905 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
906
907 *data = 0;
2fbe4526 908
bc7f75fa
AK		 909 return 0;
910}
911
912static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
913{
914 u16 temp;
915 u16 checksum = 0;
916 u16 i;
917
918 *data = 0;
919 /* Read and add up the contents of the EEPROM */
920 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
921 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
922 *data = 1;
e243455d 923 return *data;
bc7f75fa
AK		 924 }
925 checksum += temp;
926 }
927
928 /* If Checksum is not Correct return error else test passed */
53aa82da 929 if ((checksum != (u16)NVM_SUM) && !(*data))
bc7f75fa
AK		 930 *data = 2;
931
932 return *data;
933}
934
8bb62869 935static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
bc7f75fa 936{
53aa82da 937 struct net_device *netdev = (struct net_device *)data;
bc7f75fa
AK		 938 struct e1000_adapter *adapter = netdev_priv(netdev);
939 struct e1000_hw *hw = &adapter->hw;
940
941 adapter->test_icr |= er32(ICR);
942
943 return IRQ_HANDLED;
944}
945
946static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
947{
948 struct net_device *netdev = adapter->netdev;
949 struct e1000_hw *hw = &adapter->hw;
950 u32 mask;
951 u32 shared_int = 1;
952 u32 irq = adapter->pdev->irq;
953 int i;
4662e82b
BA		 954 int ret_val = 0;
955 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 956
957 *data = 0;
958
4662e82b
BA		 959 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
960 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
961 int_mode = adapter->int_mode;
962 e1000e_reset_interrupt_capability(adapter);
963 adapter->int_mode = E1000E_INT_MODE_LEGACY;
964 e1000e_set_interrupt_capability(adapter);
965 }
bc7f75fa 966 /* Hook up test interrupt handler just for this test */
a0607fd3 967 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 968 netdev)) {
969 shared_int = 0;
17e813ec
BA		 970 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
971 netdev)) {
bc7f75fa 972 *data = 1;
4662e82b
BA		 973 ret_val = -1;
974 goto out;
bc7f75fa 975 }
44defeb3 976 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 977
978 /* Disable all the interrupts */
979 ew32(IMC, 0xFFFFFFFF);
945a5151 980 e1e_flush();
1bba4386 981 usleep_range(10000, 20000);
bc7f75fa
AK		 982
983 /* Test each interrupt */
984 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 985 /* Interrupt to test */
986 mask = 1 << i;
987
f4187b56
BA		 988 if (adapter->flags & FLAG_IS_ICH) {
989 switch (mask) {
990 case E1000_ICR_RXSEQ:
991 continue;
992 case 0x00000100:
993 if (adapter->hw.mac.type == e1000_ich8lan ||
994 adapter->hw.mac.type == e1000_ich9lan)
995 continue;
996 break;
997 default:
998 break;
999 }
1000 }
1001
bc7f75fa 1002 if (!shared_int) {
e921eb1a 1003 /* Disable the interrupt to be reported in
bc7f75fa
AK		 1004 * the cause register and then force the same
1005 * interrupt and see if one gets posted. If
1006 * an interrupt was posted to the bus, the
1007 * test failed.
1008 */
1009 adapter->test_icr = 0;
1010 ew32(IMC, mask);
1011 ew32(ICS, mask);
945a5151 1012 e1e_flush();
1bba4386 1013 usleep_range(10000, 20000);
bc7f75fa
AK		 1014
1015 if (adapter->test_icr & mask) {
1016 *data = 3;
1017 break;
1018 }
1019 }
1020
e921eb1a 1021 /* Enable the interrupt to be reported in
bc7f75fa
AK		 1022 * the cause register and then force the same
1023 * interrupt and see if one gets posted. If
1024 * an interrupt was not posted to the bus, the
1025 * test failed.
1026 */
1027 adapter->test_icr = 0;
1028 ew32(IMS, mask);
1029 ew32(ICS, mask);
945a5151 1030 e1e_flush();
1bba4386 1031 usleep_range(10000, 20000);
bc7f75fa
AK		 1032
1033 if (!(adapter->test_icr & mask)) {
1034 *data = 4;
1035 break;
1036 }
1037
1038 if (!shared_int) {
e921eb1a 1039 /* Disable the other interrupts to be reported in
bc7f75fa
AK		 1040 * the cause register and then force the other
1041 * interrupts and see if any get posted. If
1042 * an interrupt was posted to the bus, the
1043 * test failed.
1044 */
1045 adapter->test_icr = 0;
1046 ew32(IMC, ~mask & 0x00007FFF);
1047 ew32(ICS, ~mask & 0x00007FFF);
945a5151 1048 e1e_flush();
1bba4386 1049 usleep_range(10000, 20000);
bc7f75fa
AK		 1050
1051 if (adapter->test_icr) {
1052 *data = 5;
1053 break;
1054 }
1055 }
1056 }
1057
1058 /* Disable all the interrupts */
1059 ew32(IMC, 0xFFFFFFFF);
945a5151 1060 e1e_flush();
1bba4386 1061 usleep_range(10000, 20000);
bc7f75fa
AK		 1062
1063 /* Unhook test interrupt handler */
1064 free_irq(irq, netdev);
1065
4662e82b
BA		 1066out:
1067 if (int_mode == E1000E_INT_MODE_MSIX) {
1068 e1000e_reset_interrupt_capability(adapter);
1069 adapter->int_mode = int_mode;
1070 e1000e_set_interrupt_capability(adapter);
1071 }
1072
1073 return ret_val;
bc7f75fa
AK		 1074}
1075
1076static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1077{
1078 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1079 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1080 struct pci_dev *pdev = adapter->pdev;
17e813ec 1081 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1082 int i;
1083
1084 if (tx_ring->desc && tx_ring->buffer_info) {
1085 for (i = 0; i < tx_ring->count; i++) {
17e813ec
BA		 1086 buffer_info = &tx_ring->buffer_info[i];
1087
1088 if (buffer_info->dma)
0be3f55f 1089 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1090 buffer_info->dma,
1091 buffer_info->length,
1092 DMA_TO_DEVICE);
1093 if (buffer_info->skb)
1094 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1095 }
1096 }
1097
1098 if (rx_ring->desc && rx_ring->buffer_info) {
1099 for (i = 0; i < rx_ring->count; i++) {
17e813ec
BA		 1100 buffer_info = &rx_ring->buffer_info[i];
1101
1102 if (buffer_info->dma)
0be3f55f 1103 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1104 buffer_info->dma,
1105 2048, DMA_FROM_DEVICE);
1106 if (buffer_info->skb)
1107 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1108 }
1109 }
1110
1111 if (tx_ring->desc) {
1112 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1113 tx_ring->dma);
1114 tx_ring->desc = NULL;
1115 }
1116 if (rx_ring->desc) {
1117 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1118 rx_ring->dma);
1119 rx_ring->desc = NULL;
1120 }
1121
1122 kfree(tx_ring->buffer_info);
1123 tx_ring->buffer_info = NULL;
1124 kfree(rx_ring->buffer_info);
1125 rx_ring->buffer_info = NULL;
1126}
1127
1128static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1129{
1130 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1131 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1132 struct pci_dev *pdev = adapter->pdev;
1133 struct e1000_hw *hw = &adapter->hw;
1134 u32 rctl;
bc7f75fa
AK		 1135 int i;
1136 int ret_val;
1137
1138 /* Setup Tx descriptor ring and Tx buffers */
1139
1140 if (!tx_ring->count)
1141 tx_ring->count = E1000_DEFAULT_TXD;
1142
cef8c793 1143 tx_ring->buffer_info = kcalloc(tx_ring->count,
e5fe2541 1144 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1145 if (!tx_ring->buffer_info) {
bc7f75fa
AK		 1146 ret_val = 1;
1147 goto err_nomem;
1148 }
bc7f75fa
AK		 1149
1150 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1151 tx_ring->size = ALIGN(tx_ring->size, 4096);
1152 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1153 &tx_ring->dma, GFP_KERNEL);
1154 if (!tx_ring->desc) {
1155 ret_val = 2;
1156 goto err_nomem;
1157 }
bc7f75fa
AK		 1158 tx_ring->next_to_use = 0;
1159 tx_ring->next_to_clean = 0;
1160
53aa82da
BA		 1161 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1162 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1e36052e
BA		 1163 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1164 ew32(TDH(0), 0);
1165 ew32(TDT(0), 0);
cef8c793
BA		 1166 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1167 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1168 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1169
1170 for (i = 0; i < tx_ring->count; i++) {
1171 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1172 struct sk_buff *skb;
1173 unsigned int skb_size = 1024;
1174
1175 skb = alloc_skb(skb_size, GFP_KERNEL);
1176 if (!skb) {
1177 ret_val = 3;
1178 goto err_nomem;
1179 }
1180 skb_put(skb, skb_size);
1181 tx_ring->buffer_info[i].skb = skb;
1182 tx_ring->buffer_info[i].length = skb->len;
1183 tx_ring->buffer_info[i].dma =
f0ff4398
BA		 1184 dma_map_single(&pdev->dev, skb->data, skb->len,
1185 DMA_TO_DEVICE);
0be3f55f
NN		 1186 if (dma_mapping_error(&pdev->dev,
1187 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1188 ret_val = 4;
1189 goto err_nomem;
1190 }
cef8c793 1191 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1192 tx_desc->lower.data = cpu_to_le32(skb->len);
1193 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1194 E1000_TXD_CMD_IFCS |
cef8c793 1195 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1196 tx_desc->upper.data = 0;
1197 }
1198
1199 /* Setup Rx descriptor ring and Rx buffers */
1200
1201 if (!rx_ring->count)
1202 rx_ring->count = E1000_DEFAULT_RXD;
1203
cef8c793 1204 rx_ring->buffer_info = kcalloc(rx_ring->count,
e5fe2541 1205 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1206 if (!rx_ring->buffer_info) {
bc7f75fa
AK		 1207 ret_val = 5;
1208 goto err_nomem;
1209 }
bc7f75fa 1210
5f450212 1211 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
bc7f75fa
AK		 1212 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1213 &rx_ring->dma, GFP_KERNEL);
1214 if (!rx_ring->desc) {
1215 ret_val = 6;
1216 goto err_nomem;
1217 }
bc7f75fa
AK		 1218 rx_ring->next_to_use = 0;
1219 rx_ring->next_to_clean = 0;
1220
1221 rctl = er32(RCTL);
7f99ae63
BA		 1222 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1223 ew32(RCTL, rctl & ~E1000_RCTL_EN);
53aa82da
BA		 1224 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1225 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1e36052e
BA		 1226 ew32(RDLEN(0), rx_ring->size);
1227 ew32(RDH(0), 0);
1228 ew32(RDT(0), 0);
bc7f75fa 1229 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
f0ff4398
BA		 1230 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1231 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1232 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1233 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
bc7f75fa
AK		 1234 ew32(RCTL, rctl);
1235
1236 for (i = 0; i < rx_ring->count; i++) {
5f450212 1237 union e1000_rx_desc_extended *rx_desc;
bc7f75fa
AK		 1238 struct sk_buff *skb;
1239
1240 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1241 if (!skb) {
1242 ret_val = 7;
1243 goto err_nomem;
1244 }
1245 skb_reserve(skb, NET_IP_ALIGN);
1246 rx_ring->buffer_info[i].skb = skb;
1247 rx_ring->buffer_info[i].dma =
f0ff4398
BA		 1248 dma_map_single(&pdev->dev, skb->data, 2048,
1249 DMA_FROM_DEVICE);
0be3f55f
NN		 1250 if (dma_mapping_error(&pdev->dev,
1251 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1252 ret_val = 8;
1253 goto err_nomem;
1254 }
5f450212
BA		 1255 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1256 rx_desc->read.buffer_addr =
1257 cpu_to_le64(rx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1258 memset(skb->data, 0x00, skb->len);
1259 }
1260
1261 return 0;
1262
1263err_nomem:
1264 e1000_free_desc_rings(adapter);
1265 return ret_val;
1266}
1267
1268static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1269{
1270 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1271 e1e_wphy(&adapter->hw, 29, 0x001F);
1272 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1273 e1e_wphy(&adapter->hw, 29, 0x001A);
1274 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1275}
1276
1277static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1278{
1279 struct e1000_hw *hw = &adapter->hw;
1280 u32 ctrl_reg = 0;
97ac8cae 1281 u16 phy_reg = 0;
cbd006cb 1282 s32 ret_val = 0;
bc7f75fa 1283
318a94d6 1284 hw->mac.autoneg = 0;
bc7f75fa 1285
3af50481 1286 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa 1287 /* force 100, set loopback */
c2ade1a4 1288 e1e_wphy(hw, MII_BMCR, 0x6100);
bc7f75fa
AK		 1289
1290 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1291 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1292 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1293 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1294 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1295 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1296 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1297
1298 ew32(CTRL, ctrl_reg);
945a5151 1299 e1e_flush();
ce43a216 1300 usleep_range(500, 1000);
3af50481
BA		 1301
1302 return 0;
1303 }
1304
1305 /* Specific PHY configuration for loopback */
1306 switch (hw->phy.type) {
1307 case e1000_phy_m88:
1308 /* Auto-MDI/MDIX Off */
1309 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1310 /* reset to update Auto-MDI/MDIX */
c2ade1a4 1311 e1e_wphy(hw, MII_BMCR, 0x9140);
3af50481 1312 /* autoneg off */
c2ade1a4 1313 e1e_wphy(hw, MII_BMCR, 0x8140);
3af50481
BA		 1314 break;
1315 case e1000_phy_gg82563:
1316 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1317 break;
97ac8cae
BA		 1318 case e1000_phy_bm:
1319 /* Set Default MAC Interface speed to 1GB */
1320 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1321 phy_reg &= ~0x0007;
1322 phy_reg |= 0x006;
1323 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1324 /* Assert SW reset for above settings to take effect */
6b598e1e 1325 hw->phy.ops.commit(hw);
ce43a216 1326 usleep_range(1000, 2000);
97ac8cae
BA		 1327 /* Force Full Duplex */
1328 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1329 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1330 /* Set Link Up (in force link) */
1331 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1332 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1333 /* Force Link */
1334 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1335 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1336 /* Set Early Link Enable */
1337 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1338 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1339 break;
1340 case e1000_phy_82577:
1341 case e1000_phy_82578:
1342 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1343 ret_val = hw->phy.ops.acquire(hw);
1344 if (ret_val) {
1345 e_err("Cannot setup 1Gbps loopback.\n");
1346 return ret_val;
1347 }
3af50481 1348 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1349 hw->phy.ops.release(hw);
3af50481 1350 break;
d3738bb8
BA		 1351 case e1000_phy_82579:
1352 /* Disable PHY energy detect power down */
1353 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1354 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1355 /* Disable full chip energy detect */
1356 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1357 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1358 /* Enable loopback on the PHY */
d3738bb8
BA		 1359 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1360 break;
cef8c793 1361 default:
3af50481
BA		 1362 break;
1363 }
bc7f75fa 1364
3af50481 1365 /* force 1000, set loopback */
c2ade1a4 1366 e1e_wphy(hw, MII_BMCR, 0x4140);
ce43a216 1367 msleep(250);
cef8c793 1368
3af50481
BA		 1369 /* Now set up the MAC to the same speed/duplex as the PHY. */
1370 ctrl_reg = er32(CTRL);
1371 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1372 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1373 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1374 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1375 E1000_CTRL_FD); /* Force Duplex to FULL */
1376
1377 if (adapter->flags & FLAG_IS_ICH)
1378 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1379
318a94d6
JK		 1380 if (hw->phy.media_type == e1000_media_type_copper &&
1381 hw->phy.type == e1000_phy_m88) {
e80bd1d1 1382 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
bc7f75fa 1383 } else {
e921eb1a 1384 /* Set the ILOS bit on the fiber Nic if half duplex link is
ad68076e
BA		 1385 * detected.
1386 */
90da0669 1387 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
bc7f75fa
AK		 1388 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1389 }
1390
1391 ew32(CTRL, ctrl_reg);
1392
e921eb1a 1393 /* Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1394 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1395 */
318a94d6 1396 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1397 e1000_phy_disable_receiver(adapter);
1398
ce43a216 1399 usleep_range(500, 1000);
bc7f75fa
AK		 1400
1401 return 0;
1402}
1403
1404static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1405{
1406 struct e1000_hw *hw = &adapter->hw;
1407 u32 ctrl = er32(CTRL);
70806a7f 1408 int link;
bc7f75fa
AK		 1409
1410 /* special requirements for 82571/82572 fiber adapters */
1411
e921eb1a 1412 /* jump through hoops to make sure link is up because serdes
ad68076e
BA		 1413 * link is hardwired up
1414 */
bc7f75fa
AK		 1415 ctrl |= E1000_CTRL_SLU;
1416 ew32(CTRL, ctrl);
1417
1418 /* disable autoneg */
1419 ctrl = er32(TXCW);
1420 ctrl &= ~(1 << 31);
1421 ew32(TXCW, ctrl);
1422
1423 link = (er32(STATUS) & E1000_STATUS_LU);
1424
1425 if (!link) {
1426 /* set invert loss of signal */
1427 ctrl = er32(CTRL);
1428 ctrl |= E1000_CTRL_ILOS;
1429 ew32(CTRL, ctrl);
1430 }
1431
e921eb1a 1432 /* special write to serdes control register to enable SerDes analog
ad68076e
BA		 1433 * loopback
1434 */
3ffcf2cb 1435 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
945a5151 1436 e1e_flush();
1bba4386 1437 usleep_range(10000, 20000);
bc7f75fa
AK		 1438
1439 return 0;
1440}
1441
1442/* only call this for fiber/serdes connections to es2lan */
1443static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1444{
1445 struct e1000_hw *hw = &adapter->hw;
1446 u32 ctrlext = er32(CTRL_EXT);
1447 u32 ctrl = er32(CTRL);
1448
e921eb1a 1449 /* save CTRL_EXT to restore later, reuse an empty variable (unused
ad68076e
BA		 1450 * on mac_type 80003es2lan)
1451 */
bc7f75fa
AK		 1452 adapter->tx_fifo_head = ctrlext;
1453
1454 /* clear the serdes mode bits, putting the device into mac loopback */
1455 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1456 ew32(CTRL_EXT, ctrlext);
1457
1458 /* force speed to 1000/FD, link up */
1459 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1460 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1461 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1462 ew32(CTRL, ctrl);
1463
1464 /* set mac loopback */
1465 ctrl = er32(RCTL);
1466 ctrl |= E1000_RCTL_LBM_MAC;
1467 ew32(RCTL, ctrl);
1468
1469 /* set testing mode parameters (no need to reset later) */
1470#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1471#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1472 ew32(KMRNCTRLSTA,
cef8c793 1473 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1474
1475 return 0;
1476}
1477
1478static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1479{
1480 struct e1000_hw *hw = &adapter->hw;
1481 u32 rctl;
1482
318a94d6
JK		 1483 if (hw->phy.media_type == e1000_media_type_fiber ||
1484 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1485 switch (hw->mac.type) {
1486 case e1000_80003es2lan:
1487 return e1000_set_es2lan_mac_loopback(adapter);
1488 break;
1489 case e1000_82571:
1490 case e1000_82572:
1491 return e1000_set_82571_fiber_loopback(adapter);
1492 break;
1493 default:
1494 rctl = er32(RCTL);
1495 rctl |= E1000_RCTL_LBM_TCVR;
1496 ew32(RCTL, rctl);
1497 return 0;
1498 }
318a94d6 1499 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1500 return e1000_integrated_phy_loopback(adapter);
1501 }
1502
1503 return 7;
1504}
1505
1506static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1507{
1508 struct e1000_hw *hw = &adapter->hw;
1509 u32 rctl;
1510 u16 phy_reg;
1511
1512 rctl = er32(RCTL);
1513 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1514 ew32(RCTL, rctl);
1515
1516 switch (hw->mac.type) {
1517 case e1000_80003es2lan:
318a94d6
JK		 1518 if (hw->phy.media_type == e1000_media_type_fiber ||
1519 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1520 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1521 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1522 adapter->tx_fifo_head = 0;
1523 }
1524 /* fall through */
1525 case e1000_82571:
1526 case e1000_82572:
318a94d6
JK		 1527 if (hw->phy.media_type == e1000_media_type_fiber ||
1528 hw->phy.media_type == e1000_media_type_internal_serdes) {
3ffcf2cb 1529 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
945a5151 1530 e1e_flush();
1bba4386 1531 usleep_range(10000, 20000);
bc7f75fa
AK		 1532 break;
1533 }
1534 /* Fall Through */
1535 default:
1536 hw->mac.autoneg = 1;
1537 if (hw->phy.type == e1000_phy_gg82563)
1538 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
c2ade1a4
BA		 1539 e1e_rphy(hw, MII_BMCR, &phy_reg);
1540 if (phy_reg & BMCR_LOOPBACK) {
1541 phy_reg &= ~BMCR_LOOPBACK;
1542 e1e_wphy(hw, MII_BMCR, phy_reg);
6b598e1e
BA		 1543 if (hw->phy.ops.commit)
1544 hw->phy.ops.commit(hw);
bc7f75fa
AK		 1545 }
1546 break;
1547 }
1548}
1549
1550static void e1000_create_lbtest_frame(struct sk_buff *skb,
1551 unsigned int frame_size)
1552{
1553 memset(skb->data, 0xFF, frame_size);
1554 frame_size &= ~1;
1555 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1556 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1557 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1558}
1559
1560static int e1000_check_lbtest_frame(struct sk_buff *skb,
1561 unsigned int frame_size)
1562{
1563 frame_size &= ~1;
1564 if (*(skb->data + 3) == 0xFF)
1565 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
17e813ec 1566 (*(skb->data + frame_size / 2 + 12) == 0xAF))
bc7f75fa
AK		 1567 return 0;
1568 return 13;
1569}
1570
1571static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1572{
1573 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1574 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1575 struct pci_dev *pdev = adapter->pdev;
1576 struct e1000_hw *hw = &adapter->hw;
17e813ec 1577 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1578 int i, j, k, l;
1579 int lc;
1580 int good_cnt;
1581 int ret_val = 0;
1582 unsigned long time;
1583
1e36052e 1584 ew32(RDT(0), rx_ring->count - 1);
bc7f75fa 1585
e921eb1a 1586 /* Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1587 * The idea is to wrap the largest ring a number of times using 64
1588 * send/receive pairs during each loop
1589 */
1590
1591 if (rx_ring->count <= tx_ring->count)
1592 lc = ((tx_ring->count / 64) * 2) + 1;
1593 else
1594 lc = ((rx_ring->count / 64) * 2) + 1;
1595
1596 k = 0;
1597 l = 0;
33550cec
BA		 1598 /* loop count loop */
1599 for (j = 0; j <= lc; j++) {
1600 /* send the packets */
1601 for (i = 0; i < 64; i++) {
17e813ec
BA		 1602 buffer_info = &tx_ring->buffer_info[k];
1603
1604 e1000_create_lbtest_frame(buffer_info->skb, 1024);
0be3f55f 1605 dma_sync_single_for_device(&pdev->dev,
17e813ec
BA		 1606 buffer_info->dma,
1607 buffer_info->length,
1608 DMA_TO_DEVICE);
bc7f75fa
AK		 1609 k++;
1610 if (k == tx_ring->count)
1611 k = 0;
1612 }
1e36052e 1613 ew32(TDT(0), k);
945a5151 1614 e1e_flush();
bc7f75fa 1615 msleep(200);
e80bd1d1 1616 time = jiffies; /* set the start time for the receive */
bc7f75fa 1617 good_cnt = 0;
33550cec
BA		 1618 /* receive the sent packets */
1619 do {
17e813ec
BA		 1620 buffer_info = &rx_ring->buffer_info[l];
1621
0be3f55f 1622 dma_sync_single_for_cpu(&pdev->dev,
17e813ec
BA		 1623 buffer_info->dma, 2048,
1624 DMA_FROM_DEVICE);
bc7f75fa 1625
17e813ec
BA		 1626 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1627 1024);
bc7f75fa
AK		 1628 if (!ret_val)
1629 good_cnt++;
1630 l++;
1631 if (l == rx_ring->count)
1632 l = 0;
e921eb1a 1633 /* time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1634 * enough time to complete the receives, if it's
1635 * exceeded, break and error off
1636 */
1637 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1638 if (good_cnt != 64) {
e80bd1d1 1639 ret_val = 13; /* ret_val is the same as mis-compare */
bc7f75fa
AK		 1640 break;
1641 }
cef8c793 1642 if (jiffies >= (time + 20)) {
e80bd1d1 1643 ret_val = 14; /* error code for time out error */
bc7f75fa
AK		 1644 break;
1645 }
33550cec 1646 }
bc7f75fa
AK		 1647 return ret_val;
1648}
1649
1650static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1651{
44abd5c1
BA		 1652 struct e1000_hw *hw = &adapter->hw;
1653
e921eb1a 1654 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
470a5420
BA		 1655 if (hw->phy.ops.check_reset_block &&
1656 hw->phy.ops.check_reset_block(hw)) {
44defeb3 1657 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1658 *data = 0;
1659 goto out;
1660 }
1661
1662 *data = e1000_setup_desc_rings(adapter);
e265522c 1663 if (*data)
bc7f75fa
AK		 1664 goto out;
1665
1666 *data = e1000_setup_loopback_test(adapter);
e265522c 1667 if (*data)
bc7f75fa
AK		 1668 goto err_loopback;
1669
1670 *data = e1000_run_loopback_test(adapter);
1671 e1000_loopback_cleanup(adapter);
1672
1673err_loopback:
1674 e1000_free_desc_rings(adapter);
1675out:
1676 return *data;
1677}
1678
1679static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1680{
1681 struct e1000_hw *hw = &adapter->hw;
1682
1683 *data = 0;
318a94d6 1684 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1685 int i = 0;
612e244c 1686 hw->mac.serdes_has_link = false;
bc7f75fa 1687
e921eb1a 1688 /* On some blade server designs, link establishment
ad68076e
BA		 1689 * could take as long as 2-3 minutes
1690 */
bc7f75fa
AK		 1691 do {
1692 hw->mac.ops.check_for_link(hw);
1693 if (hw->mac.serdes_has_link)
1694 return *data;
1695 msleep(20);
1696 } while (i++ < 3750);
1697
1698 *data = 1;
1699 } else {
1700 hw->mac.ops.check_for_link(hw);
1701 if (hw->mac.autoneg)
e921eb1a 1702 /* On some Phy/switch combinations, link establishment
5661aeb0
BA		 1703 * can take a few seconds more than expected.
1704 */
ce43a216 1705 msleep_interruptible(5000);
bc7f75fa 1706
5661aeb0 1707 if (!(er32(STATUS) & E1000_STATUS_LU))
bc7f75fa
AK		 1708 *data = 1;
1709 }
1710 return *data;
1711}
1712
8bb62869
BA		 1713static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1714 int sset)
bc7f75fa 1715{
b9f2c044
JG		 1716 switch (sset) {
1717 case ETH_SS_TEST:
1718 return E1000_TEST_LEN;
1719 case ETH_SS_STATS:
1720 return E1000_STATS_LEN;
1721 default:
1722 return -EOPNOTSUPP;
1723 }
bc7f75fa
AK		 1724}
1725
1726static void e1000_diag_test(struct net_device *netdev,
1727 struct ethtool_test *eth_test, u64 *data)
1728{
1729 struct e1000_adapter *adapter = netdev_priv(netdev);
1730 u16 autoneg_advertised;
1731 u8 forced_speed_duplex;
1732 u8 autoneg;
1733 bool if_running = netif_running(netdev);
1734
1735 set_bit(__E1000_TESTING, &adapter->state);
31dbe5b4
BA		 1736
1737 if (!if_running) {
1738 /* Get control of and reset hardware */
1739 if (adapter->flags & FLAG_HAS_AMT)
1740 e1000e_get_hw_control(adapter);
1741
1742 e1000e_power_up_phy(adapter);
1743
1744 adapter->hw.phy.autoneg_wait_to_complete = 1;
1745 e1000e_reset(adapter);
1746 adapter->hw.phy.autoneg_wait_to_complete = 0;
1747 }
1748
bc7f75fa
AK		 1749 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1750 /* Offline tests */
1751
1752 /* save speed, duplex, autoneg settings */
1753 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1754 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1755 autoneg = adapter->hw.mac.autoneg;
1756
44defeb3 1757 e_info("offline testing starting\n");
bc7f75fa 1758
bc7f75fa
AK		 1759 if (if_running)
1760 /* indicate we're in test mode */
1761 dev_close(netdev);
bc7f75fa
AK		 1762
1763 if (e1000_reg_test(adapter, &data[0]))
1764 eth_test->flags |= ETH_TEST_FL_FAILED;
1765
1766 e1000e_reset(adapter);
1767 if (e1000_eeprom_test(adapter, &data[1]))
1768 eth_test->flags |= ETH_TEST_FL_FAILED;
1769
1770 e1000e_reset(adapter);
1771 if (e1000_intr_test(adapter, &data[2]))
1772 eth_test->flags |= ETH_TEST_FL_FAILED;
1773
1774 e1000e_reset(adapter);
bc7f75fa
AK		 1775 if (e1000_loopback_test(adapter, &data[3]))
1776 eth_test->flags |= ETH_TEST_FL_FAILED;
1777
c6ce3854
CW		 1778 /* force this routine to wait until autoneg complete/timeout */
1779 adapter->hw.phy.autoneg_wait_to_complete = 1;
1780 e1000e_reset(adapter);
1781 adapter->hw.phy.autoneg_wait_to_complete = 0;
1782
1783 if (e1000_link_test(adapter, &data[4]))
1784 eth_test->flags |= ETH_TEST_FL_FAILED;
1785
bc7f75fa
AK		 1786 /* restore speed, duplex, autoneg settings */
1787 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1788 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1789 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1790 e1000e_reset(adapter);
bc7f75fa
AK		 1791
1792 clear_bit(__E1000_TESTING, &adapter->state);
1793 if (if_running)
1794 dev_open(netdev);
1795 } else {
31dbe5b4 1796 /* Online tests */
11b08be8 1797
44defeb3 1798 e_info("online testing starting\n");
bc7f75fa 1799
31dbe5b4 1800 /* register, eeprom, intr and loopback tests not run online */
bc7f75fa
AK		 1801 data[0] = 0;
1802 data[1] = 0;
1803 data[2] = 0;
1804 data[3] = 0;
1805
31dbe5b4
BA		 1806 if (e1000_link_test(adapter, &data[4]))
1807 eth_test->flags |= ETH_TEST_FL_FAILED;
11b08be8 1808
bc7f75fa
AK		 1809 clear_bit(__E1000_TESTING, &adapter->state);
1810 }
31dbe5b4
BA		 1811
1812 if (!if_running) {
1813 e1000e_reset(adapter);
1814
1815 if (adapter->flags & FLAG_HAS_AMT)
1816 e1000e_release_hw_control(adapter);
1817 }
1818
bc7f75fa
AK		 1819 msleep_interruptible(4 * 1000);
1820}
1821
1822static void e1000_get_wol(struct net_device *netdev,
1823 struct ethtool_wolinfo *wol)
1824{
1825 struct e1000_adapter *adapter = netdev_priv(netdev);
1826
1827 wol->supported = 0;
1828 wol->wolopts = 0;
1829
6ff68026
RW		 1830 if (!(adapter->flags & FLAG_HAS_WOL) ||
1831 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1832 return;
1833
1834 wol->supported = WAKE_UCAST | WAKE_MCAST |
4a29e155 1835 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
bc7f75fa
AK		 1836
1837 /* apply any specific unsupported masks here */
1838 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1839 wol->supported &= ~WAKE_UCAST;
1840
1841 if (adapter->wol & E1000_WUFC_EX)
6ad65145 1842 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
bc7f75fa
AK		 1843 }
1844
1845 if (adapter->wol & E1000_WUFC_EX)
1846 wol->wolopts |= WAKE_UCAST;
1847 if (adapter->wol & E1000_WUFC_MC)
1848 wol->wolopts |= WAKE_MCAST;
1849 if (adapter->wol & E1000_WUFC_BC)
1850 wol->wolopts |= WAKE_BCAST;
1851 if (adapter->wol & E1000_WUFC_MAG)
1852 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1853 if (adapter->wol & E1000_WUFC_LNKC)
1854 wol->wolopts |= WAKE_PHY;
bc7f75fa
AK		 1855}
1856
4a29e155 1857static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
bc7f75fa
AK		 1858{
1859 struct e1000_adapter *adapter = netdev_priv(netdev);
1860
6ff68026 1861 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1862 !device_can_wakeup(&adapter->pdev->dev) ||
1863 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
4a29e155 1864 WAKE_MAGIC | WAKE_PHY)))
1fbfca32 1865 return -EOPNOTSUPP;
bc7f75fa
AK		 1866
1867 /* these settings will always override what we currently have */
1868 adapter->wol = 0;
1869
1870 if (wol->wolopts & WAKE_UCAST)
1871 adapter->wol |= E1000_WUFC_EX;
1872 if (wol->wolopts & WAKE_MCAST)
1873 adapter->wol |= E1000_WUFC_MC;
1874 if (wol->wolopts & WAKE_BCAST)
1875 adapter->wol |= E1000_WUFC_BC;
1876 if (wol->wolopts & WAKE_MAGIC)
1877 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1878 if (wol->wolopts & WAKE_PHY)
1879 adapter->wol |= E1000_WUFC_LNKC;
bc7f75fa 1880
6ff68026
RW		 1881 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1882
bc7f75fa
AK		 1883 return 0;
1884}
1885
dbf80dcb
BA		 1886static int e1000_set_phys_id(struct net_device *netdev,
1887 enum ethtool_phys_id_state state)
bc7f75fa
AK		 1888{
1889 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1890 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1891
dbf80dcb
BA		 1892 switch (state) {
1893 case ETHTOOL_ID_ACTIVE:
1894 if (!hw->mac.ops.blink_led)
1895 return 2; /* cycle on/off twice per second */
bc7f75fa 1896
dbf80dcb
BA		 1897 hw->mac.ops.blink_led(hw);
1898 break;
1899
1900 case ETHTOOL_ID_INACTIVE:
4662e82b
BA		 1901 if (hw->phy.type == e1000_phy_ife)
1902 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
dbf80dcb
BA		 1903 hw->mac.ops.led_off(hw);
1904 hw->mac.ops.cleanup_led(hw);
1905 break;
bc7f75fa 1906
dbf80dcb 1907 case ETHTOOL_ID_ON:
f23efdff 1908 hw->mac.ops.led_on(hw);
dbf80dcb 1909 break;
bc7f75fa 1910
dbf80dcb 1911 case ETHTOOL_ID_OFF:
f23efdff 1912 hw->mac.ops.led_off(hw);
dbf80dcb
BA		 1913 break;
1914 }
bc7f75fa
AK		 1915 return 0;
1916}
1917
de5b3077
AK		 1918static int e1000_get_coalesce(struct net_device *netdev,
1919 struct ethtool_coalesce *ec)
1920{
1921 struct e1000_adapter *adapter = netdev_priv(netdev);
1922
eab2abf5 1923 if (adapter->itr_setting <= 4)
de5b3077
AK		 1924 ec->rx_coalesce_usecs = adapter->itr_setting;
1925 else
1926 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1927
1928 return 0;
1929}
1930
1931static int e1000_set_coalesce(struct net_device *netdev,
1932 struct ethtool_coalesce *ec)
1933{
1934 struct e1000_adapter *adapter = netdev_priv(netdev);
de5b3077
AK		 1935
1936 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1937 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1938 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1939 (ec->rx_coalesce_usecs == 2))
1940 return -EINVAL;
1941
eab2abf5 1942 if (ec->rx_coalesce_usecs == 4) {
06a402ef
BA		 1943 adapter->itr_setting = 4;
1944 adapter->itr = adapter->itr_setting;
eab2abf5 1945 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1946 adapter->itr = 20000;
1947 adapter->itr_setting = ec->rx_coalesce_usecs;
1948 } else {
1949 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1950 adapter->itr_setting = adapter->itr & ~3;
1951 }
1952
1953 if (adapter->itr_setting != 0)
22a4cca2 1954 e1000e_write_itr(adapter, adapter->itr);
de5b3077 1955 else
22a4cca2 1956 e1000e_write_itr(adapter, 0);
de5b3077
AK		 1957
1958 return 0;
1959}
1960
bc7f75fa
AK		 1961static int e1000_nway_reset(struct net_device *netdev)
1962{
1963 struct e1000_adapter *adapter = netdev_priv(netdev);
5962bc21
BA		 1964
1965 if (!netif_running(netdev))
1966 return -EAGAIN;
1967
1968 if (!adapter->hw.mac.autoneg)
1969 return -EINVAL;
1970
1971 e1000e_reinit_locked(adapter);
1972
bc7f75fa
AK		 1973 return 0;
1974}
1975
bc7f75fa 1976static void e1000_get_ethtool_stats(struct net_device *netdev,
8bb62869 1977 struct ethtool_stats __always_unused *stats,
bc7f75fa
AK		 1978 u64 *data)
1979{
1980 struct e1000_adapter *adapter = netdev_priv(netdev);
67fd4fcb 1981 struct rtnl_link_stats64 net_stats;
bc7f75fa 1982 int i;
e0f36a95 1983 char *p = NULL;
bc7f75fa 1984
67fd4fcb 1985 e1000e_get_stats64(netdev, &net_stats);
bc7f75fa 1986 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1987 switch (e1000_gstrings_stats[i].type) {
1988 case NETDEV_STATS:
53aa82da 1989 p = (char *)&net_stats +
f0ff4398 1990 e1000_gstrings_stats[i].stat_offset;
e0f36a95
AK		 1991 break;
1992 case E1000_STATS:
53aa82da 1993 p = (char *)adapter +
f0ff4398 1994 e1000_gstrings_stats[i].stat_offset;
e0f36a95 1995 break;
61c75816
BA		 1996 default:
1997 data[i] = 0;
1998 continue;
e0f36a95
AK		 1999 }
2000
bc7f75fa 2001 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
f0ff4398 2002 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
bc7f75fa
AK		 2003 }
2004}
2005
8bb62869
BA		 2006static void e1000_get_strings(struct net_device __always_unused *netdev,
2007 u32 stringset, u8 *data)
bc7f75fa
AK		 2008{
2009 u8 *p = data;
2010 int i;
2011
2012 switch (stringset) {
2013 case ETH_SS_TEST:
5c1bda0a 2014 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2015 break;
2016 case ETH_SS_STATS:
2017 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2018 memcpy(p, e1000_gstrings_stats[i].stat_string,
2019 ETH_GSTRING_LEN);
2020 p += ETH_GSTRING_LEN;
2021 }
2022 break;
2023 }
2024}
2025
70495a50 2026static int e1000_get_rxnfc(struct net_device *netdev,
8bb62869
BA		 2027 struct ethtool_rxnfc *info,
2028 u32 __always_unused *rule_locs)
70495a50
BA		 2029{
2030 info->data = 0;
2031
2032 switch (info->cmd) {
2033 case ETHTOOL_GRXFH: {
2034 struct e1000_adapter *adapter = netdev_priv(netdev);
2035 struct e1000_hw *hw = &adapter->hw;
2036 u32 mrqc = er32(MRQC);
2037
2038 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2039 return 0;
2040
2041 switch (info->flow_type) {
2042 case TCP_V4_FLOW:
2043 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2044 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2045 /* fall through */
2046 case UDP_V4_FLOW:
2047 case SCTP_V4_FLOW:
2048 case AH_ESP_V4_FLOW:
2049 case IPV4_FLOW:
2050 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2051 info->data |= RXH_IP_SRC | RXH_IP_DST;
2052 break;
2053 case TCP_V6_FLOW:
2054 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2055 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2056 /* fall through */
2057 case UDP_V6_FLOW:
2058 case SCTP_V6_FLOW:
2059 case AH_ESP_V6_FLOW:
2060 case IPV6_FLOW:
2061 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2062 info->data |= RXH_IP_SRC | RXH_IP_DST;
2063 break;
2064 default:
2065 break;
2066 }
2067 return 0;
2068 }
2069 default:
2070 return -EOPNOTSUPP;
2071 }
2072}
2073
203e4151
BA		 2074static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2075{
2076 struct e1000_adapter *adapter = netdev_priv(netdev);
2077 struct e1000_hw *hw = &adapter->hw;
d495bcb8
BA		 2078 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2079 u32 ret_val;
203e4151 2080
d495bcb8 2081 if (!(adapter->flags2 & FLAG2_HAS_EEE))
203e4151
BA		 2082 return -EOPNOTSUPP;
2083
2084 switch (hw->phy.type) {
2085 case e1000_phy_82579:
2086 cap_addr = I82579_EEE_CAPABILITY;
203e4151
BA		 2087 lpa_addr = I82579_EEE_LP_ABILITY;
2088 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2089 break;
2090 case e1000_phy_i217:
2091 cap_addr = I217_EEE_CAPABILITY;
203e4151
BA		 2092 lpa_addr = I217_EEE_LP_ABILITY;
2093 pcs_stat_addr = I217_EEE_PCS_STATUS;
2094 break;
2095 default:
2096 return -EOPNOTSUPP;
2097 }
2098
2099 ret_val = hw->phy.ops.acquire(hw);
2100 if (ret_val)
2101 return -EBUSY;
2102
2103 /* EEE Capability */
2104 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2105 if (ret_val)
2106 goto release;
2107 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2108
2109 /* EEE Advertised */
d495bcb8 2110 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
203e4151
BA		 2111
2112 /* EEE Link Partner Advertised */
2113 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2114 if (ret_val)
2115 goto release;
2116 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2117
2118 /* EEE PCS Status */
2119 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2120 if (hw->phy.type == e1000_phy_82579)
2121 phy_data <<= 8;
2122
2123release:
2124 hw->phy.ops.release(hw);
2125 if (ret_val)
2126 return -ENODATA;
2127
203e4151
BA		 2128 /* Result of the EEE auto negotiation - there is no register that
2129 * has the status of the EEE negotiation so do a best-guess based
d495bcb8 2130 * on whether Tx or Rx LPI indications have been received.
203e4151 2131 */
d495bcb8 2132 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
203e4151
BA		 2133 edata->eee_active = true;
2134
2135 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2136 edata->tx_lpi_enabled = true;
2137 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2138
2139 return 0;
2140}
2141
2142static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2143{
2144 struct e1000_adapter *adapter = netdev_priv(netdev);
2145 struct e1000_hw *hw = &adapter->hw;
2146 struct ethtool_eee eee_curr;
2147 s32 ret_val;
2148
203e4151
BA		 2149 ret_val = e1000e_get_eee(netdev, &eee_curr);
2150 if (ret_val)
2151 return ret_val;
2152
203e4151
BA		 2153 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2154 e_err("Setting EEE tx-lpi is not supported\n");
2155 return -EINVAL;
2156 }
2157
2158 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2159 e_err("Setting EEE Tx LPI timer is not supported\n");
2160 return -EINVAL;
2161 }
2162
d495bcb8
BA		 2163 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2164 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2165 return -EINVAL;
203e4151
BA		 2166 }
2167
d495bcb8
BA		 2168 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2169
2170 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2171
2172 /* reset the link */
2173 if (netif_running(netdev))
2174 e1000e_reinit_locked(adapter);
2175 else
2176 e1000e_reset(adapter);
2177
203e4151
BA		 2178 return 0;
2179}
2180
b67e1913
BA		 2181static int e1000e_get_ts_info(struct net_device *netdev,
2182 struct ethtool_ts_info *info)
2183{
2184 struct e1000_adapter *adapter = netdev_priv(netdev);
2185
2186 ethtool_op_get_ts_info(netdev, info);
2187
2188 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2189 return 0;
2190
2191 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2192 SOF_TIMESTAMPING_RX_HARDWARE |
2193 SOF_TIMESTAMPING_RAW_HARDWARE);
2194
2195 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2196
2197 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
d89777bf
BA		 2198 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2199 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2200 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2201 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2202 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2203 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2204 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2205 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2206 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
b67e1913
BA		 2207 (1 << HWTSTAMP_FILTER_ALL));
2208
d89777bf
BA		 2209 if (adapter->ptp_clock)
2210 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2211
b67e1913
BA		 2212 return 0;
2213}
2214
e60b22c5
KK		 2215static int e1000e_ethtool_begin(struct net_device *netdev)
2216{
2217 return pm_runtime_get_sync(netdev->dev.parent);
2218}
2219
2220static void e1000e_ethtool_complete(struct net_device *netdev)
2221{
2222 pm_runtime_put_sync(netdev->dev.parent);
2223}
2224
bc7f75fa 2225static const struct ethtool_ops e1000_ethtool_ops = {
e60b22c5
KK		 2226 .begin = e1000e_ethtool_begin,
2227 .complete = e1000e_ethtool_complete,
bc7f75fa
AK		 2228 .get_settings = e1000_get_settings,
2229 .set_settings = e1000_set_settings,
2230 .get_drvinfo = e1000_get_drvinfo,
2231 .get_regs_len = e1000_get_regs_len,
2232 .get_regs = e1000_get_regs,
2233 .get_wol = e1000_get_wol,
2234 .set_wol = e1000_set_wol,
2235 .get_msglevel = e1000_get_msglevel,
2236 .set_msglevel = e1000_set_msglevel,
2237 .nway_reset = e1000_nway_reset,
ed4ba4b5 2238 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2239 .get_eeprom_len = e1000_get_eeprom_len,
2240 .get_eeprom = e1000_get_eeprom,
2241 .set_eeprom = e1000_set_eeprom,
2242 .get_ringparam = e1000_get_ringparam,
2243 .set_ringparam = e1000_set_ringparam,
2244 .get_pauseparam = e1000_get_pauseparam,
2245 .set_pauseparam = e1000_set_pauseparam,
bc7f75fa
AK		 2246 .self_test = e1000_diag_test,
2247 .get_strings = e1000_get_strings,
dbf80dcb 2248 .set_phys_id = e1000_set_phys_id,
bc7f75fa 2249 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2250 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2251 .get_coalesce = e1000_get_coalesce,
2252 .set_coalesce = e1000_set_coalesce,
70495a50 2253 .get_rxnfc = e1000_get_rxnfc,
b67e1913 2254 .get_ts_info = e1000e_get_ts_info,
203e4151
BA		 2255 .get_eee = e1000e_get_eee,
2256 .set_eee = e1000e_set_eee,
bc7f75fa
AK		 2257};
2258
2259void e1000e_set_ethtool_ops(struct net_device *netdev)
2260{
2261 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2262}
Linux 6.x block layer and io_uring tree(s)