projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge remote-tracking branch 'regulator/topic/da9063' into regulator-next
[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>
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 }
3ef672ab 176 } else if (!pm_runtime_suspended(netdev->dev.parent)) {
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;
3ef672ab
BA		 267 int ret_val = 0;
268
269 pm_runtime_get_sync(netdev->dev.parent);
bc7f75fa 270
e921eb1a 271 /* When SoL/IDER sessions are active, autoneg/speed/duplex
ad68076e
BA		 272 * cannot be changed
273 */
470a5420
BA		 274 if (hw->phy.ops.check_reset_block &&
275 hw->phy.ops.check_reset_block(hw)) {
6ad65145 276 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
3ef672ab
BA		 277 ret_val = -EINVAL;
278 goto out;
bc7f75fa
AK		 279 }
280
e921eb1a 281 /* MDI setting is only allowed when autoneg enabled because
4e8186b6
JB		 282 * some hardware doesn't allow MDI setting when speed or
283 * duplex is forced.
284 */
285 if (ecmd->eth_tp_mdix_ctrl) {
3ef672ab
BA		 286 if (hw->phy.media_type != e1000_media_type_copper) {
287 ret_val = -EOPNOTSUPP;
288 goto out;
289 }
4e8186b6
JB		 290
291 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
292 (ecmd->autoneg != AUTONEG_ENABLE)) {
293 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
3ef672ab
BA		 294 ret_val = -EINVAL;
295 goto out;
4e8186b6
JB		 296 }
297 }
298
bc7f75fa 299 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 300 usleep_range(1000, 2000);
bc7f75fa
AK		 301
302 if (ecmd->autoneg == AUTONEG_ENABLE) {
303 hw->mac.autoneg = 1;
318a94d6 304 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa 305 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
f0ff4398 306 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
bc7f75fa
AK		 307 else
308 hw->phy.autoneg_advertised = ecmd->advertising |
f0ff4398 309 ADVERTISED_TP | ADVERTISED_Autoneg;
bc7f75fa 310 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 311 if (adapter->fc_autoneg)
5c48ef3e 312 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa 313 } else {
25db0338 314 u32 speed = ethtool_cmd_speed(ecmd);
4e8186b6 315 /* calling this overrides forced MDI setting */
14ad2513 316 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
3ef672ab
BA		 317 ret_val = -EINVAL;
318 goto out;
bc7f75fa
AK		 319 }
320 }
321
4e8186b6
JB		 322 /* MDI-X => 2; MDI => 1; Auto => 3 */
323 if (ecmd->eth_tp_mdix_ctrl) {
e921eb1a 324 /* fix up the value for auto (3 => 0) as zero is mapped
4e8186b6
JB		 325 * internally to auto
326 */
327 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
328 hw->phy.mdix = AUTO_ALL_MODES;
329 else
330 hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
331 }
332
bc7f75fa 333 /* reset the link */
bc7f75fa
AK		 334 if (netif_running(adapter->netdev)) {
335 e1000e_down(adapter);
336 e1000e_up(adapter);
a7a1d9da 337 } else {
bc7f75fa 338 e1000e_reset(adapter);
a7a1d9da 339 }
bc7f75fa 340
3ef672ab
BA		 341out:
342 pm_runtime_put_sync(netdev->dev.parent);
bc7f75fa 343 clear_bit(__E1000_RESETTING, &adapter->state);
3ef672ab 344 return ret_val;
bc7f75fa
AK		 345}
346
347static void e1000_get_pauseparam(struct net_device *netdev,
348 struct ethtool_pauseparam *pause)
349{
350 struct e1000_adapter *adapter = netdev_priv(netdev);
351 struct e1000_hw *hw = &adapter->hw;
352
353 pause->autoneg =
f0ff4398 354 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
bc7f75fa 355
5c48ef3e 356 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 357 pause->rx_pause = 1;
5c48ef3e 358 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 359 pause->tx_pause = 1;
5c48ef3e 360 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 361 pause->rx_pause = 1;
362 pause->tx_pause = 1;
363 }
364}
365
366static int e1000_set_pauseparam(struct net_device *netdev,
367 struct ethtool_pauseparam *pause)
368{
369 struct e1000_adapter *adapter = netdev_priv(netdev);
370 struct e1000_hw *hw = &adapter->hw;
371 int retval = 0;
372
373 adapter->fc_autoneg = pause->autoneg;
374
375 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 376 usleep_range(1000, 2000);
bc7f75fa 377
3ef672ab
BA		 378 pm_runtime_get_sync(netdev->dev.parent);
379
bc7f75fa 380 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 381 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 382 if (netif_running(adapter->netdev)) {
383 e1000e_down(adapter);
384 e1000e_up(adapter);
385 } else {
386 e1000e_reset(adapter);
387 }
388 } else {
5c48ef3e
BA		 389 if (pause->rx_pause && pause->tx_pause)
390 hw->fc.requested_mode = e1000_fc_full;
391 else if (pause->rx_pause && !pause->tx_pause)
392 hw->fc.requested_mode = e1000_fc_rx_pause;
393 else if (!pause->rx_pause && pause->tx_pause)
394 hw->fc.requested_mode = e1000_fc_tx_pause;
395 else if (!pause->rx_pause && !pause->tx_pause)
396 hw->fc.requested_mode = e1000_fc_none;
397
398 hw->fc.current_mode = hw->fc.requested_mode;
399
945eb313
BA		 400 if (hw->phy.media_type == e1000_media_type_fiber) {
401 retval = hw->mac.ops.setup_link(hw);
402 /* implicit goto out */
403 } else {
404 retval = e1000e_force_mac_fc(hw);
405 if (retval)
406 goto out;
407 e1000e_set_fc_watermarks(hw);
408 }
bc7f75fa
AK		 409 }
410
945eb313 411out:
3ef672ab 412 pm_runtime_put_sync(netdev->dev.parent);
bc7f75fa
AK		 413 clear_bit(__E1000_RESETTING, &adapter->state);
414 return retval;
415}
416
bc7f75fa
AK		 417static u32 e1000_get_msglevel(struct net_device *netdev)
418{
419 struct e1000_adapter *adapter = netdev_priv(netdev);
420 return adapter->msg_enable;
421}
422
423static void e1000_set_msglevel(struct net_device *netdev, u32 data)
424{
425 struct e1000_adapter *adapter = netdev_priv(netdev);
426 adapter->msg_enable = data;
427}
428
8bb62869 429static int e1000_get_regs_len(struct net_device __always_unused *netdev)
bc7f75fa 430{
e80bd1d1 431#define E1000_REGS_LEN 32 /* overestimate */
bc7f75fa
AK		 432 return E1000_REGS_LEN * sizeof(u32);
433}
434
435static void e1000_get_regs(struct net_device *netdev,
436 struct ethtool_regs *regs, void *p)
437{
438 struct e1000_adapter *adapter = netdev_priv(netdev);
439 struct e1000_hw *hw = &adapter->hw;
440 u32 *regs_buff = p;
441 u16 phy_data;
bc7f75fa 442
3ef672ab
BA		 443 pm_runtime_get_sync(netdev->dev.parent);
444
bc7f75fa
AK		 445 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
446
ff938e43 447 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
f0ff4398 448 adapter->pdev->device;
bc7f75fa 449
e80bd1d1
BA		 450 regs_buff[0] = er32(CTRL);
451 regs_buff[1] = er32(STATUS);
bc7f75fa 452
e80bd1d1
BA		 453 regs_buff[2] = er32(RCTL);
454 regs_buff[3] = er32(RDLEN(0));
455 regs_buff[4] = er32(RDH(0));
456 regs_buff[5] = er32(RDT(0));
457 regs_buff[6] = er32(RDTR);
bc7f75fa 458
e80bd1d1
BA		 459 regs_buff[7] = er32(TCTL);
460 regs_buff[8] = er32(TDLEN(0));
461 regs_buff[9] = er32(TDH(0));
1e36052e 462 regs_buff[10] = er32(TDT(0));
bc7f75fa
AK		 463 regs_buff[11] = er32(TIDV);
464
e80bd1d1 465 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 466
467 /* ethtool doesn't use anything past this point, so all this
e921eb1a
BA		 468 * code is likely legacy junk for apps that may or may not exist
469 */
bc7f75fa
AK		 470 if (hw->phy.type == e1000_phy_m88) {
471 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
472 regs_buff[13] = (u32)phy_data; /* cable length */
473 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
474 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
475 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
476 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
477 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
478 regs_buff[18] = regs_buff[13]; /* cable polarity */
479 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
480 regs_buff[20] = regs_buff[17]; /* polarity correction */
481 /* phy receive errors */
482 regs_buff[22] = adapter->phy_stats.receive_errors;
483 regs_buff[23] = regs_buff[13]; /* mdix mode */
484 }
c2ade1a4
BA		 485 regs_buff[21] = 0; /* was idle_errors */
486 e1e_rphy(hw, MII_STAT1000, &phy_data);
487 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
488 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
3ef672ab
BA		 489
490 pm_runtime_put_sync(netdev->dev.parent);
bc7f75fa
AK		 491}
492
493static int e1000_get_eeprom_len(struct net_device *netdev)
494{
495 struct e1000_adapter *adapter = netdev_priv(netdev);
496 return adapter->hw.nvm.word_size * 2;
497}
498
499static int e1000_get_eeprom(struct net_device *netdev,
500 struct ethtool_eeprom *eeprom, u8 *bytes)
501{
502 struct e1000_adapter *adapter = netdev_priv(netdev);
503 struct e1000_hw *hw = &adapter->hw;
504 u16 *eeprom_buff;
505 int first_word;
506 int last_word;
507 int ret_val = 0;
508 u16 i;
509
510 if (eeprom->len == 0)
511 return -EINVAL;
512
513 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
514
515 first_word = eeprom->offset >> 1;
516 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
517
17e813ec
BA		 518 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
519 GFP_KERNEL);
bc7f75fa
AK		 520 if (!eeprom_buff)
521 return -ENOMEM;
522
3ef672ab
BA		 523 pm_runtime_get_sync(netdev->dev.parent);
524
bc7f75fa
AK		 525 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
526 ret_val = e1000_read_nvm(hw, first_word,
527 last_word - first_word + 1,
528 eeprom_buff);
529 } else {
530 for (i = 0; i < last_word - first_word + 1; i++) {
531 ret_val = e1000_read_nvm(hw, first_word + i, 1,
17e813ec 532 &eeprom_buff[i]);
e243455d 533 if (ret_val)
bc7f75fa
AK		 534 break;
535 }
536 }
537
3ef672ab
BA		 538 pm_runtime_put_sync(netdev->dev.parent);
539
e243455d
BA		 540 if (ret_val) {
541 /* a read error occurred, throw away the result */
8528b016
RK		 542 memset(eeprom_buff, 0xff, sizeof(u16) *
543 (last_word - first_word + 1));
e243455d
BA		 544 } else {
545 /* Device's eeprom is always little-endian, word addressable */
546 for (i = 0; i < last_word - first_word + 1; i++)
547 le16_to_cpus(&eeprom_buff[i]);
548 }
bc7f75fa
AK		 549
550 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
551 kfree(eeprom_buff);
552
553 return ret_val;
554}
555
556static int e1000_set_eeprom(struct net_device *netdev,
557 struct ethtool_eeprom *eeprom, u8 *bytes)
558{
559 struct e1000_adapter *adapter = netdev_priv(netdev);
560 struct e1000_hw *hw = &adapter->hw;
561 u16 *eeprom_buff;
562 void *ptr;
563 int max_len;
564 int first_word;
565 int last_word;
566 int ret_val = 0;
567 u16 i;
568
569 if (eeprom->len == 0)
570 return -EOPNOTSUPP;
571
c29c3ba5
BA		 572 if (eeprom->magic !=
573 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
bc7f75fa
AK		 574 return -EFAULT;
575
4a770358
BA		 576 if (adapter->flags & FLAG_READ_ONLY_NVM)
577 return -EINVAL;
578
bc7f75fa
AK		 579 max_len = hw->nvm.word_size * 2;
580
581 first_word = eeprom->offset >> 1;
582 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
583 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
584 if (!eeprom_buff)
585 return -ENOMEM;
586
587 ptr = (void *)eeprom_buff;
588
3ef672ab
BA		 589 pm_runtime_get_sync(netdev->dev.parent);
590
bc7f75fa
AK		 591 if (eeprom->offset & 1) {
592 /* need read/modify/write of first changed EEPROM word */
593 /* only the second byte of the word is being modified */
594 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
595 ptr++;
596 }
9e2d7657 597 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
bc7f75fa
AK		 598 /* need read/modify/write of last changed EEPROM word */
599 /* only the first byte of the word is being modified */
600 ret_val = e1000_read_nvm(hw, last_word, 1,
17e813ec 601 &eeprom_buff[last_word - first_word]);
bc7f75fa 602
e243455d
BA		 603 if (ret_val)
604 goto out;
605
bc7f75fa
AK		 606 /* Device's eeprom is always little-endian, word addressable */
607 for (i = 0; i < last_word - first_word + 1; i++)
608 le16_to_cpus(&eeprom_buff[i]);
609
610 memcpy(ptr, bytes, eeprom->len);
611
612 for (i = 0; i < last_word - first_word + 1; i++)
e885d762 613 cpu_to_le16s(&eeprom_buff[i]);
bc7f75fa
AK		 614
615 ret_val = e1000_write_nvm(hw, first_word,
616 last_word - first_word + 1, eeprom_buff);
617
e243455d
BA		 618 if (ret_val)
619 goto out;
620
e921eb1a 621 /* Update the checksum over the first part of the EEPROM if needed
e243455d 622 * and flush shadow RAM for applicable controllers
ad68076e 623 */
e243455d 624 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 625 (hw->mac.type == e1000_82583) ||
626 (hw->mac.type == e1000_82574) ||
627 (hw->mac.type == e1000_82573))
e243455d 628 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 629
e243455d 630out:
3ef672ab 631 pm_runtime_put_sync(netdev->dev.parent);
bc7f75fa
AK		 632 kfree(eeprom_buff);
633 return ret_val;
634}
635
636static void e1000_get_drvinfo(struct net_device *netdev,
637 struct ethtool_drvinfo *drvinfo)
638{
639 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa 640
e5fe2541 641 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
33a5ba14 642 strlcpy(drvinfo->version, e1000e_driver_version,
612a94d6 643 sizeof(drvinfo->version));
bc7f75fa 644
e921eb1a 645 /* EEPROM image version # is reported as firmware version # for
ad68076e
BA		 646 * PCI-E controllers
647 */
612a94d6 648 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
17e813ec
BA		 649 "%d.%d-%d",
650 (adapter->eeprom_vers & 0xF000) >> 12,
651 (adapter->eeprom_vers & 0x0FF0) >> 4,
652 (adapter->eeprom_vers & 0x000F));
bc7f75fa 653
612a94d6
RJ		 654 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
655 sizeof(drvinfo->bus_info));
bc7f75fa
AK		 656 drvinfo->regdump_len = e1000_get_regs_len(netdev);
657 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
658}
659
660static void e1000_get_ringparam(struct net_device *netdev,
661 struct ethtool_ringparam *ring)
662{
663 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa
AK		 664
665 ring->rx_max_pending = E1000_MAX_RXD;
666 ring->tx_max_pending = E1000_MAX_TXD;
508da426
BA		 667 ring->rx_pending = adapter->rx_ring_count;
668 ring->tx_pending = adapter->tx_ring_count;
bc7f75fa
AK		 669}
670
671static int e1000_set_ringparam(struct net_device *netdev,
672 struct ethtool_ringparam *ring)
673{
674 struct e1000_adapter *adapter = netdev_priv(netdev);
508da426
BA		 675 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
676 int err = 0, size = sizeof(struct e1000_ring);
677 bool set_tx = false, set_rx = false;
678 u16 new_rx_count, new_tx_count;
bc7f75fa
AK		 679
680 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
681 return -EINVAL;
682
508da426
BA		 683 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
684 E1000_MAX_RXD);
685 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
bc7f75fa 686
508da426
BA		 687 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
688 E1000_MAX_TXD);
689 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
bc7f75fa 690
508da426
BA		 691 if ((new_tx_count == adapter->tx_ring_count) &&
692 (new_rx_count == adapter->rx_ring_count))
693 /* nothing to do */
694 return 0;
bc7f75fa 695
508da426
BA		 696 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
697 usleep_range(1000, 2000);
bc7f75fa 698
508da426
BA		 699 if (!netif_running(adapter->netdev)) {
700 /* Set counts now and allocate resources during open() */
701 adapter->tx_ring->count = new_tx_count;
702 adapter->rx_ring->count = new_rx_count;
703 adapter->tx_ring_count = new_tx_count;
704 adapter->rx_ring_count = new_rx_count;
705 goto clear_reset;
706 }
bc7f75fa 707
508da426
BA		 708 set_tx = (new_tx_count != adapter->tx_ring_count);
709 set_rx = (new_rx_count != adapter->rx_ring_count);
bc7f75fa 710
508da426
BA		 711 /* Allocate temporary storage for ring updates */
712 if (set_tx) {
713 temp_tx = vmalloc(size);
714 if (!temp_tx) {
715 err = -ENOMEM;
716 goto free_temp;
717 }
718 }
719 if (set_rx) {
720 temp_rx = vmalloc(size);
721 if (!temp_rx) {
722 err = -ENOMEM;
723 goto free_temp;
724 }
725 }
bc7f75fa 726
3ef672ab
BA		 727 pm_runtime_get_sync(netdev->dev.parent);
728
508da426 729 e1000e_down(adapter);
bc7f75fa 730
e921eb1a 731 /* We can't just free everything and then setup again, because the
508da426
BA		 732 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
733 * structs. First, attempt to allocate new resources...
734 */
735 if (set_tx) {
736 memcpy(temp_tx, adapter->tx_ring, size);
737 temp_tx->count = new_tx_count;
738 err = e1000e_setup_tx_resources(temp_tx);
bc7f75fa 739 if (err)
508da426
BA		 740 goto err_setup;
741 }
742 if (set_rx) {
743 memcpy(temp_rx, adapter->rx_ring, size);
744 temp_rx->count = new_rx_count;
745 err = e1000e_setup_rx_resources(temp_rx);
bc7f75fa 746 if (err)
508da426
BA		 747 goto err_setup_rx;
748 }
749
750 /* ...then free the old resources and copy back any new ring data */
751 if (set_tx) {
55aa6985 752 e1000e_free_tx_resources(adapter->tx_ring);
508da426
BA		 753 memcpy(adapter->tx_ring, temp_tx, size);
754 adapter->tx_ring_count = new_tx_count;
755 }
756 if (set_rx) {
757 e1000e_free_rx_resources(adapter->rx_ring);
758 memcpy(adapter->rx_ring, temp_rx, size);
759 adapter->rx_ring_count = new_rx_count;
bc7f75fa
AK		 760 }
761
bc7f75fa 762err_setup_rx:
508da426
BA		 763 if (err && set_tx)
764 e1000e_free_tx_resources(temp_tx);
bc7f75fa 765err_setup:
508da426 766 e1000e_up(adapter);
3ef672ab 767 pm_runtime_put_sync(netdev->dev.parent);
508da426
BA		 768free_temp:
769 vfree(temp_tx);
770 vfree(temp_rx);
771clear_reset:
bc7f75fa
AK		 772 clear_bit(__E1000_RESETTING, &adapter->state);
773 return err;
774}
775
cef8c793
BA		 776static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
777 int reg, int offset, u32 mask, u32 write)
2a887191 778{
cef8c793 779 u32 pat, val;
6480641e 780 static const u32 test[] = {
04e115cf
BA		 781 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
782 };
cef8c793 783 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 784 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 785 (test[pat] & write));
786 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
787 if (val != (test[pat] & write & mask)) {
a8fc1891
BA		 788 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
789 reg + (offset << 2), val,
790 (test[pat] & write & mask));
2a887191 791 *data = reg;
cef8c793 792 return 1;
2a887191
JP		 793 }
794 }
cef8c793 795 return 0;
bc7f75fa
AK		 796}
797
2a887191
JP		 798static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
799 int reg, u32 mask, u32 write)
800{
cef8c793 801 u32 val;
2a887191 802 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 803 val = __er32(&adapter->hw, reg);
804 if ((write & mask) != (val & mask)) {
a8fc1891 805 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
6ad65145 806 reg, (val & mask), (write & mask));
2a887191 807 *data = reg;
cef8c793 808 return 1;
2a887191 809 }
cef8c793 810 return 0;
bc7f75fa 811}
fc830b78 812
cef8c793
BA		 813#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
814 do { \
815 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
816 return 1; \
2a887191 817 } while (0)
cef8c793
BA		 818#define REG_PATTERN_TEST(reg, mask, write) \
819 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 820
cef8c793
BA		 821#define REG_SET_AND_CHECK(reg, mask, write) \
822 do { \
823 if (reg_set_and_check(adapter, data, reg, mask, write)) \
824 return 1; \
2a887191
JP		 825 } while (0)
826
bc7f75fa
AK		 827static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
828{
829 struct e1000_hw *hw = &adapter->hw;
830 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 831 u32 value;
832 u32 before;
833 u32 after;
834 u32 i;
835 u32 toggle;
a4f58f54 836 u32 mask;
2fbe4526 837 u32 wlock_mac = 0;
bc7f75fa 838
e921eb1a 839 /* The status register is Read Only, so a write should fail.
33550cec
BA		 840 * Some bits that get toggled are ignored. There are several bits
841 * on newer hardware that are r/w.
bc7f75fa
AK		 842 */
843 switch (mac->type) {
bc7f75fa
AK		 844 case e1000_82571:
845 case e1000_82572:
846 case e1000_80003es2lan:
847 toggle = 0x7FFFF3FF;
848 break;
f0ff4398 849 default:
bc7f75fa
AK		 850 toggle = 0x7FFFF033;
851 break;
bc7f75fa
AK		 852 }
853
854 before = er32(STATUS);
855 value = (er32(STATUS) & toggle);
856 ew32(STATUS, toggle);
857 after = er32(STATUS) & toggle;
858 if (value != after) {
6ad65145
BA		 859 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
860 after, value);
bc7f75fa
AK		 861 *data = 1;
862 return 1;
863 }
864 /* restore previous status */
865 ew32(STATUS, before);
866
97ac8cae 867 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 868 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
869 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
870 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
871 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
872 }
873
874 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
1e36052e
BA		 875 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
876 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
877 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
878 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
bc7f75fa
AK		 879 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
880 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
881 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
1e36052e
BA		 882 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
883 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
bc7f75fa
AK		 884
885 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
886
97ac8cae 887 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 888 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
889 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
890
8658251d 891 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
1e36052e 892 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 893 if (!(adapter->flags & FLAG_IS_ICH))
8658251d 894 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
1e36052e 895 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
8658251d 896 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 897 mask = 0x8003FFFF;
898 switch (mac->type) {
899 case e1000_ich10lan:
900 case e1000_pchlan:
d3738bb8 901 case e1000_pch2lan:
2fbe4526 902 case e1000_pch_lpt:
a4f58f54
BA		 903 mask |= (1 << 18);
904 break;
905 default:
906 break;
907 }
2fbe4526
BA		 908
909 if (mac->type == e1000_pch_lpt)
910 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
911 E1000_FWSM_WLOCK_MAC_SHIFT;
912
913 for (i = 0; i < mac->rar_entry_count; i++) {
a8fc1891
BA		 914 if (mac->type == e1000_pch_lpt) {
915 /* Cannot test write-protected SHRAL[n] registers */
916 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
917 continue;
918
919 /* SHRAH[9] different than the others */
920 if (i == 10)
921 mask |= (1 << 30);
922 else
923 mask &= ~(1 << 30);
924 }
c3a0dce3
DE		 925 if (mac->type == e1000_pch2lan) {
926 /* SHRAH[0,1,2] different than previous */
927 if (i == 7)
928 mask &= 0xFFF4FFFF;
929 /* SHRAH[3] different than SHRAH[0,1,2] */
930 if (i == 10)
931 mask |= (1 << 30);
932 }
2fbe4526 933
a8fc1891
BA		 934 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
935 0xFFFFFFFF);
2fbe4526 936 }
bc7f75fa
AK		 937
938 for (i = 0; i < mac->mta_reg_count; i++)
939 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
940
941 *data = 0;
2fbe4526 942
bc7f75fa
AK		 943 return 0;
944}
945
946static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
947{
948 u16 temp;
949 u16 checksum = 0;
950 u16 i;
951
952 *data = 0;
953 /* Read and add up the contents of the EEPROM */
954 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
955 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
956 *data = 1;
e243455d 957 return *data;
bc7f75fa
AK		 958 }
959 checksum += temp;
960 }
961
962 /* If Checksum is not Correct return error else test passed */
53aa82da 963 if ((checksum != (u16)NVM_SUM) && !(*data))
bc7f75fa
AK		 964 *data = 2;
965
966 return *data;
967}
968
8bb62869 969static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
bc7f75fa 970{
53aa82da 971 struct net_device *netdev = (struct net_device *)data;
bc7f75fa
AK		 972 struct e1000_adapter *adapter = netdev_priv(netdev);
973 struct e1000_hw *hw = &adapter->hw;
974
975 adapter->test_icr |= er32(ICR);
976
977 return IRQ_HANDLED;
978}
979
980static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
981{
982 struct net_device *netdev = adapter->netdev;
983 struct e1000_hw *hw = &adapter->hw;
984 u32 mask;
985 u32 shared_int = 1;
986 u32 irq = adapter->pdev->irq;
987 int i;
4662e82b
BA		 988 int ret_val = 0;
989 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 990
991 *data = 0;
992
4662e82b
BA		 993 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
994 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
995 int_mode = adapter->int_mode;
996 e1000e_reset_interrupt_capability(adapter);
997 adapter->int_mode = E1000E_INT_MODE_LEGACY;
998 e1000e_set_interrupt_capability(adapter);
999 }
bc7f75fa 1000 /* Hook up test interrupt handler just for this test */
a0607fd3 1001 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 1002 netdev)) {
1003 shared_int = 0;
17e813ec
BA		 1004 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1005 netdev)) {
bc7f75fa 1006 *data = 1;
4662e82b
BA		 1007 ret_val = -1;
1008 goto out;
bc7f75fa 1009 }
44defeb3 1010 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 1011
1012 /* Disable all the interrupts */
1013 ew32(IMC, 0xFFFFFFFF);
945a5151 1014 e1e_flush();
1bba4386 1015 usleep_range(10000, 20000);
bc7f75fa
AK		 1016
1017 /* Test each interrupt */
1018 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 1019 /* Interrupt to test */
1020 mask = 1 << i;
1021
f4187b56
BA		 1022 if (adapter->flags & FLAG_IS_ICH) {
1023 switch (mask) {
1024 case E1000_ICR_RXSEQ:
1025 continue;
1026 case 0x00000100:
1027 if (adapter->hw.mac.type == e1000_ich8lan ||
1028 adapter->hw.mac.type == e1000_ich9lan)
1029 continue;
1030 break;
1031 default:
1032 break;
1033 }
1034 }
1035
bc7f75fa 1036 if (!shared_int) {
e921eb1a 1037 /* Disable the interrupt to be reported in
bc7f75fa
AK		 1038 * the cause register and then force the same
1039 * interrupt and see if one gets posted. If
1040 * an interrupt was posted to the bus, the
1041 * test failed.
1042 */
1043 adapter->test_icr = 0;
1044 ew32(IMC, mask);
1045 ew32(ICS, mask);
945a5151 1046 e1e_flush();
1bba4386 1047 usleep_range(10000, 20000);
bc7f75fa
AK		 1048
1049 if (adapter->test_icr & mask) {
1050 *data = 3;
1051 break;
1052 }
1053 }
1054
e921eb1a 1055 /* Enable the interrupt to be reported in
bc7f75fa
AK		 1056 * the cause register and then force the same
1057 * interrupt and see if one gets posted. If
1058 * an interrupt was not posted to the bus, the
1059 * test failed.
1060 */
1061 adapter->test_icr = 0;
1062 ew32(IMS, mask);
1063 ew32(ICS, mask);
945a5151 1064 e1e_flush();
1bba4386 1065 usleep_range(10000, 20000);
bc7f75fa
AK		 1066
1067 if (!(adapter->test_icr & mask)) {
1068 *data = 4;
1069 break;
1070 }
1071
1072 if (!shared_int) {
e921eb1a 1073 /* Disable the other interrupts to be reported in
bc7f75fa
AK		 1074 * the cause register and then force the other
1075 * interrupts and see if any get posted. If
1076 * an interrupt was posted to the bus, the
1077 * test failed.
1078 */
1079 adapter->test_icr = 0;
1080 ew32(IMC, ~mask & 0x00007FFF);
1081 ew32(ICS, ~mask & 0x00007FFF);
945a5151 1082 e1e_flush();
1bba4386 1083 usleep_range(10000, 20000);
bc7f75fa
AK		 1084
1085 if (adapter->test_icr) {
1086 *data = 5;
1087 break;
1088 }
1089 }
1090 }
1091
1092 /* Disable all the interrupts */
1093 ew32(IMC, 0xFFFFFFFF);
945a5151 1094 e1e_flush();
1bba4386 1095 usleep_range(10000, 20000);
bc7f75fa
AK		 1096
1097 /* Unhook test interrupt handler */
1098 free_irq(irq, netdev);
1099
4662e82b
BA		 1100out:
1101 if (int_mode == E1000E_INT_MODE_MSIX) {
1102 e1000e_reset_interrupt_capability(adapter);
1103 adapter->int_mode = int_mode;
1104 e1000e_set_interrupt_capability(adapter);
1105 }
1106
1107 return ret_val;
bc7f75fa
AK		 1108}
1109
1110static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1111{
1112 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1113 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1114 struct pci_dev *pdev = adapter->pdev;
17e813ec 1115 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1116 int i;
1117
1118 if (tx_ring->desc && tx_ring->buffer_info) {
1119 for (i = 0; i < tx_ring->count; i++) {
17e813ec
BA		 1120 buffer_info = &tx_ring->buffer_info[i];
1121
1122 if (buffer_info->dma)
0be3f55f 1123 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1124 buffer_info->dma,
1125 buffer_info->length,
1126 DMA_TO_DEVICE);
1127 if (buffer_info->skb)
1128 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1129 }
1130 }
1131
1132 if (rx_ring->desc && rx_ring->buffer_info) {
1133 for (i = 0; i < rx_ring->count; i++) {
17e813ec
BA		 1134 buffer_info = &rx_ring->buffer_info[i];
1135
1136 if (buffer_info->dma)
0be3f55f 1137 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1138 buffer_info->dma,
1139 2048, DMA_FROM_DEVICE);
1140 if (buffer_info->skb)
1141 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1142 }
1143 }
1144
1145 if (tx_ring->desc) {
1146 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1147 tx_ring->dma);
1148 tx_ring->desc = NULL;
1149 }
1150 if (rx_ring->desc) {
1151 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1152 rx_ring->dma);
1153 rx_ring->desc = NULL;
1154 }
1155
1156 kfree(tx_ring->buffer_info);
1157 tx_ring->buffer_info = NULL;
1158 kfree(rx_ring->buffer_info);
1159 rx_ring->buffer_info = NULL;
1160}
1161
1162static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1163{
1164 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1165 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1166 struct pci_dev *pdev = adapter->pdev;
1167 struct e1000_hw *hw = &adapter->hw;
1168 u32 rctl;
bc7f75fa
AK		 1169 int i;
1170 int ret_val;
1171
1172 /* Setup Tx descriptor ring and Tx buffers */
1173
1174 if (!tx_ring->count)
1175 tx_ring->count = E1000_DEFAULT_TXD;
1176
cef8c793 1177 tx_ring->buffer_info = kcalloc(tx_ring->count,
e5fe2541 1178 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1179 if (!tx_ring->buffer_info) {
bc7f75fa
AK		 1180 ret_val = 1;
1181 goto err_nomem;
1182 }
bc7f75fa
AK		 1183
1184 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1185 tx_ring->size = ALIGN(tx_ring->size, 4096);
1186 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1187 &tx_ring->dma, GFP_KERNEL);
1188 if (!tx_ring->desc) {
1189 ret_val = 2;
1190 goto err_nomem;
1191 }
bc7f75fa
AK		 1192 tx_ring->next_to_use = 0;
1193 tx_ring->next_to_clean = 0;
1194
53aa82da
BA		 1195 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1196 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1e36052e
BA		 1197 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1198 ew32(TDH(0), 0);
1199 ew32(TDT(0), 0);
cef8c793
BA		 1200 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1201 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1202 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1203
1204 for (i = 0; i < tx_ring->count; i++) {
1205 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1206 struct sk_buff *skb;
1207 unsigned int skb_size = 1024;
1208
1209 skb = alloc_skb(skb_size, GFP_KERNEL);
1210 if (!skb) {
1211 ret_val = 3;
1212 goto err_nomem;
1213 }
1214 skb_put(skb, skb_size);
1215 tx_ring->buffer_info[i].skb = skb;
1216 tx_ring->buffer_info[i].length = skb->len;
1217 tx_ring->buffer_info[i].dma =
f0ff4398
BA		 1218 dma_map_single(&pdev->dev, skb->data, skb->len,
1219 DMA_TO_DEVICE);
0be3f55f
NN		 1220 if (dma_mapping_error(&pdev->dev,
1221 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1222 ret_val = 4;
1223 goto err_nomem;
1224 }
cef8c793 1225 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1226 tx_desc->lower.data = cpu_to_le32(skb->len);
1227 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1228 E1000_TXD_CMD_IFCS |
cef8c793 1229 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1230 tx_desc->upper.data = 0;
1231 }
1232
1233 /* Setup Rx descriptor ring and Rx buffers */
1234
1235 if (!rx_ring->count)
1236 rx_ring->count = E1000_DEFAULT_RXD;
1237
cef8c793 1238 rx_ring->buffer_info = kcalloc(rx_ring->count,
e5fe2541 1239 sizeof(struct e1000_buffer), GFP_KERNEL);
668018d7 1240 if (!rx_ring->buffer_info) {
bc7f75fa
AK		 1241 ret_val = 5;
1242 goto err_nomem;
1243 }
bc7f75fa 1244
5f450212 1245 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
bc7f75fa
AK		 1246 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1247 &rx_ring->dma, GFP_KERNEL);
1248 if (!rx_ring->desc) {
1249 ret_val = 6;
1250 goto err_nomem;
1251 }
bc7f75fa
AK		 1252 rx_ring->next_to_use = 0;
1253 rx_ring->next_to_clean = 0;
1254
1255 rctl = er32(RCTL);
7f99ae63
BA		 1256 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1257 ew32(RCTL, rctl & ~E1000_RCTL_EN);
53aa82da
BA		 1258 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1259 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1e36052e
BA		 1260 ew32(RDLEN(0), rx_ring->size);
1261 ew32(RDH(0), 0);
1262 ew32(RDT(0), 0);
bc7f75fa 1263 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
f0ff4398
BA		 1264 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1265 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1266 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1267 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
bc7f75fa
AK		 1268 ew32(RCTL, rctl);
1269
1270 for (i = 0; i < rx_ring->count; i++) {
5f450212 1271 union e1000_rx_desc_extended *rx_desc;
bc7f75fa
AK		 1272 struct sk_buff *skb;
1273
1274 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1275 if (!skb) {
1276 ret_val = 7;
1277 goto err_nomem;
1278 }
1279 skb_reserve(skb, NET_IP_ALIGN);
1280 rx_ring->buffer_info[i].skb = skb;
1281 rx_ring->buffer_info[i].dma =
f0ff4398
BA		 1282 dma_map_single(&pdev->dev, skb->data, 2048,
1283 DMA_FROM_DEVICE);
0be3f55f
NN		 1284 if (dma_mapping_error(&pdev->dev,
1285 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1286 ret_val = 8;
1287 goto err_nomem;
1288 }
5f450212
BA		 1289 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1290 rx_desc->read.buffer_addr =
1291 cpu_to_le64(rx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1292 memset(skb->data, 0x00, skb->len);
1293 }
1294
1295 return 0;
1296
1297err_nomem:
1298 e1000_free_desc_rings(adapter);
1299 return ret_val;
1300}
1301
1302static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1303{
1304 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1305 e1e_wphy(&adapter->hw, 29, 0x001F);
1306 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1307 e1e_wphy(&adapter->hw, 29, 0x001A);
1308 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1309}
1310
1311static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1312{
1313 struct e1000_hw *hw = &adapter->hw;
1314 u32 ctrl_reg = 0;
97ac8cae 1315 u16 phy_reg = 0;
cbd006cb 1316 s32 ret_val = 0;
bc7f75fa 1317
318a94d6 1318 hw->mac.autoneg = 0;
bc7f75fa 1319
3af50481 1320 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa 1321 /* force 100, set loopback */
c2ade1a4 1322 e1e_wphy(hw, MII_BMCR, 0x6100);
bc7f75fa
AK		 1323
1324 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1325 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1326 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1327 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1328 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1329 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1330 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1331
1332 ew32(CTRL, ctrl_reg);
945a5151 1333 e1e_flush();
ce43a216 1334 usleep_range(500, 1000);
3af50481
BA		 1335
1336 return 0;
1337 }
1338
1339 /* Specific PHY configuration for loopback */
1340 switch (hw->phy.type) {
1341 case e1000_phy_m88:
1342 /* Auto-MDI/MDIX Off */
1343 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1344 /* reset to update Auto-MDI/MDIX */
c2ade1a4 1345 e1e_wphy(hw, MII_BMCR, 0x9140);
3af50481 1346 /* autoneg off */
c2ade1a4 1347 e1e_wphy(hw, MII_BMCR, 0x8140);
3af50481
BA		 1348 break;
1349 case e1000_phy_gg82563:
1350 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1351 break;
97ac8cae
BA		 1352 case e1000_phy_bm:
1353 /* Set Default MAC Interface speed to 1GB */
1354 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1355 phy_reg &= ~0x0007;
1356 phy_reg |= 0x006;
1357 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1358 /* Assert SW reset for above settings to take effect */
6b598e1e 1359 hw->phy.ops.commit(hw);
ce43a216 1360 usleep_range(1000, 2000);
97ac8cae
BA		 1361 /* Force Full Duplex */
1362 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1363 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1364 /* Set Link Up (in force link) */
1365 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1366 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1367 /* Force Link */
1368 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1369 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1370 /* Set Early Link Enable */
1371 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1372 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1373 break;
1374 case e1000_phy_82577:
1375 case e1000_phy_82578:
1376 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1377 ret_val = hw->phy.ops.acquire(hw);
1378 if (ret_val) {
1379 e_err("Cannot setup 1Gbps loopback.\n");
1380 return ret_val;
1381 }
3af50481 1382 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1383 hw->phy.ops.release(hw);
3af50481 1384 break;
d3738bb8
BA		 1385 case e1000_phy_82579:
1386 /* Disable PHY energy detect power down */
1387 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1388 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1389 /* Disable full chip energy detect */
1390 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1391 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1392 /* Enable loopback on the PHY */
d3738bb8
BA		 1393 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1394 break;
cef8c793 1395 default:
3af50481
BA		 1396 break;
1397 }
bc7f75fa 1398
3af50481 1399 /* force 1000, set loopback */
c2ade1a4 1400 e1e_wphy(hw, MII_BMCR, 0x4140);
ce43a216 1401 msleep(250);
cef8c793 1402
3af50481
BA		 1403 /* Now set up the MAC to the same speed/duplex as the PHY. */
1404 ctrl_reg = er32(CTRL);
1405 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1406 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1407 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1408 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1409 E1000_CTRL_FD); /* Force Duplex to FULL */
1410
1411 if (adapter->flags & FLAG_IS_ICH)
1412 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1413
318a94d6
JK		 1414 if (hw->phy.media_type == e1000_media_type_copper &&
1415 hw->phy.type == e1000_phy_m88) {
e80bd1d1 1416 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
bc7f75fa 1417 } else {
e921eb1a 1418 /* Set the ILOS bit on the fiber Nic if half duplex link is
ad68076e
BA		 1419 * detected.
1420 */
90da0669 1421 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
bc7f75fa
AK		 1422 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1423 }
1424
1425 ew32(CTRL, ctrl_reg);
1426
e921eb1a 1427 /* Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1428 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1429 */
318a94d6 1430 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1431 e1000_phy_disable_receiver(adapter);
1432
ce43a216 1433 usleep_range(500, 1000);
bc7f75fa
AK		 1434
1435 return 0;
1436}
1437
1438static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1439{
1440 struct e1000_hw *hw = &adapter->hw;
1441 u32 ctrl = er32(CTRL);
70806a7f 1442 int link;
bc7f75fa
AK		 1443
1444 /* special requirements for 82571/82572 fiber adapters */
1445
e921eb1a 1446 /* jump through hoops to make sure link is up because serdes
ad68076e
BA		 1447 * link is hardwired up
1448 */
bc7f75fa
AK		 1449 ctrl |= E1000_CTRL_SLU;
1450 ew32(CTRL, ctrl);
1451
1452 /* disable autoneg */
1453 ctrl = er32(TXCW);
1454 ctrl &= ~(1 << 31);
1455 ew32(TXCW, ctrl);
1456
1457 link = (er32(STATUS) & E1000_STATUS_LU);
1458
1459 if (!link) {
1460 /* set invert loss of signal */
1461 ctrl = er32(CTRL);
1462 ctrl |= E1000_CTRL_ILOS;
1463 ew32(CTRL, ctrl);
1464 }
1465
e921eb1a 1466 /* special write to serdes control register to enable SerDes analog
ad68076e
BA		 1467 * loopback
1468 */
3ffcf2cb 1469 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
945a5151 1470 e1e_flush();
1bba4386 1471 usleep_range(10000, 20000);
bc7f75fa
AK		 1472
1473 return 0;
1474}
1475
1476/* only call this for fiber/serdes connections to es2lan */
1477static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1478{
1479 struct e1000_hw *hw = &adapter->hw;
1480 u32 ctrlext = er32(CTRL_EXT);
1481 u32 ctrl = er32(CTRL);
1482
e921eb1a 1483 /* save CTRL_EXT to restore later, reuse an empty variable (unused
ad68076e
BA		 1484 * on mac_type 80003es2lan)
1485 */
bc7f75fa
AK		 1486 adapter->tx_fifo_head = ctrlext;
1487
1488 /* clear the serdes mode bits, putting the device into mac loopback */
1489 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1490 ew32(CTRL_EXT, ctrlext);
1491
1492 /* force speed to 1000/FD, link up */
1493 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1494 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1495 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1496 ew32(CTRL, ctrl);
1497
1498 /* set mac loopback */
1499 ctrl = er32(RCTL);
1500 ctrl |= E1000_RCTL_LBM_MAC;
1501 ew32(RCTL, ctrl);
1502
1503 /* set testing mode parameters (no need to reset later) */
1504#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1505#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1506 ew32(KMRNCTRLSTA,
cef8c793 1507 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1508
1509 return 0;
1510}
1511
1512static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1513{
1514 struct e1000_hw *hw = &adapter->hw;
1515 u32 rctl;
1516
318a94d6
JK		 1517 if (hw->phy.media_type == e1000_media_type_fiber ||
1518 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1519 switch (hw->mac.type) {
1520 case e1000_80003es2lan:
1521 return e1000_set_es2lan_mac_loopback(adapter);
1522 break;
1523 case e1000_82571:
1524 case e1000_82572:
1525 return e1000_set_82571_fiber_loopback(adapter);
1526 break;
1527 default:
1528 rctl = er32(RCTL);
1529 rctl |= E1000_RCTL_LBM_TCVR;
1530 ew32(RCTL, rctl);
1531 return 0;
1532 }
318a94d6 1533 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1534 return e1000_integrated_phy_loopback(adapter);
1535 }
1536
1537 return 7;
1538}
1539
1540static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1541{
1542 struct e1000_hw *hw = &adapter->hw;
1543 u32 rctl;
1544 u16 phy_reg;
1545
1546 rctl = er32(RCTL);
1547 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1548 ew32(RCTL, rctl);
1549
1550 switch (hw->mac.type) {
1551 case e1000_80003es2lan:
318a94d6
JK		 1552 if (hw->phy.media_type == e1000_media_type_fiber ||
1553 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1554 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1555 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1556 adapter->tx_fifo_head = 0;
1557 }
1558 /* fall through */
1559 case e1000_82571:
1560 case e1000_82572:
318a94d6
JK		 1561 if (hw->phy.media_type == e1000_media_type_fiber ||
1562 hw->phy.media_type == e1000_media_type_internal_serdes) {
3ffcf2cb 1563 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
945a5151 1564 e1e_flush();
1bba4386 1565 usleep_range(10000, 20000);
bc7f75fa
AK		 1566 break;
1567 }
1568 /* Fall Through */
1569 default:
1570 hw->mac.autoneg = 1;
1571 if (hw->phy.type == e1000_phy_gg82563)
1572 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
c2ade1a4
BA		 1573 e1e_rphy(hw, MII_BMCR, &phy_reg);
1574 if (phy_reg & BMCR_LOOPBACK) {
1575 phy_reg &= ~BMCR_LOOPBACK;
1576 e1e_wphy(hw, MII_BMCR, phy_reg);
6b598e1e
BA		 1577 if (hw->phy.ops.commit)
1578 hw->phy.ops.commit(hw);
bc7f75fa
AK		 1579 }
1580 break;
1581 }
1582}
1583
1584static void e1000_create_lbtest_frame(struct sk_buff *skb,
1585 unsigned int frame_size)
1586{
1587 memset(skb->data, 0xFF, frame_size);
1588 frame_size &= ~1;
1589 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1590 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1591 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1592}
1593
1594static int e1000_check_lbtest_frame(struct sk_buff *skb,
1595 unsigned int frame_size)
1596{
1597 frame_size &= ~1;
1598 if (*(skb->data + 3) == 0xFF)
1599 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
17e813ec 1600 (*(skb->data + frame_size / 2 + 12) == 0xAF))
bc7f75fa
AK		 1601 return 0;
1602 return 13;
1603}
1604
1605static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1606{
1607 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1608 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1609 struct pci_dev *pdev = adapter->pdev;
1610 struct e1000_hw *hw = &adapter->hw;
17e813ec 1611 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1612 int i, j, k, l;
1613 int lc;
1614 int good_cnt;
1615 int ret_val = 0;
1616 unsigned long time;
1617
1e36052e 1618 ew32(RDT(0), rx_ring->count - 1);
bc7f75fa 1619
e921eb1a 1620 /* Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1621 * The idea is to wrap the largest ring a number of times using 64
1622 * send/receive pairs during each loop
1623 */
1624
1625 if (rx_ring->count <= tx_ring->count)
1626 lc = ((tx_ring->count / 64) * 2) + 1;
1627 else
1628 lc = ((rx_ring->count / 64) * 2) + 1;
1629
1630 k = 0;
1631 l = 0;
33550cec
BA		 1632 /* loop count loop */
1633 for (j = 0; j <= lc; j++) {
1634 /* send the packets */
1635 for (i = 0; i < 64; i++) {
17e813ec
BA		 1636 buffer_info = &tx_ring->buffer_info[k];
1637
1638 e1000_create_lbtest_frame(buffer_info->skb, 1024);
0be3f55f 1639 dma_sync_single_for_device(&pdev->dev,
17e813ec
BA		 1640 buffer_info->dma,
1641 buffer_info->length,
1642 DMA_TO_DEVICE);
bc7f75fa
AK		 1643 k++;
1644 if (k == tx_ring->count)
1645 k = 0;
1646 }
1e36052e 1647 ew32(TDT(0), k);
945a5151 1648 e1e_flush();
bc7f75fa 1649 msleep(200);
e80bd1d1 1650 time = jiffies; /* set the start time for the receive */
bc7f75fa 1651 good_cnt = 0;
33550cec
BA		 1652 /* receive the sent packets */
1653 do {
17e813ec
BA		 1654 buffer_info = &rx_ring->buffer_info[l];
1655
0be3f55f 1656 dma_sync_single_for_cpu(&pdev->dev,
17e813ec
BA		 1657 buffer_info->dma, 2048,
1658 DMA_FROM_DEVICE);
bc7f75fa 1659
17e813ec
BA		 1660 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1661 1024);
bc7f75fa
AK		 1662 if (!ret_val)
1663 good_cnt++;
1664 l++;
1665 if (l == rx_ring->count)
1666 l = 0;
e921eb1a 1667 /* time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1668 * enough time to complete the receives, if it's
1669 * exceeded, break and error off
1670 */
1671 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1672 if (good_cnt != 64) {
e80bd1d1 1673 ret_val = 13; /* ret_val is the same as mis-compare */
bc7f75fa
AK		 1674 break;
1675 }
22f8abaa 1676 if (time_after(jiffies, time + 20)) {
e80bd1d1 1677 ret_val = 14; /* error code for time out error */
bc7f75fa
AK		 1678 break;
1679 }
33550cec 1680 }
bc7f75fa
AK		 1681 return ret_val;
1682}
1683
1684static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1685{
44abd5c1
BA		 1686 struct e1000_hw *hw = &adapter->hw;
1687
e921eb1a 1688 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
470a5420
BA		 1689 if (hw->phy.ops.check_reset_block &&
1690 hw->phy.ops.check_reset_block(hw)) {
44defeb3 1691 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1692 *data = 0;
1693 goto out;
1694 }
1695
1696 *data = e1000_setup_desc_rings(adapter);
e265522c 1697 if (*data)
bc7f75fa
AK		 1698 goto out;
1699
1700 *data = e1000_setup_loopback_test(adapter);
e265522c 1701 if (*data)
bc7f75fa
AK		 1702 goto err_loopback;
1703
1704 *data = e1000_run_loopback_test(adapter);
1705 e1000_loopback_cleanup(adapter);
1706
1707err_loopback:
1708 e1000_free_desc_rings(adapter);
1709out:
1710 return *data;
1711}
1712
1713static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1714{
1715 struct e1000_hw *hw = &adapter->hw;
1716
1717 *data = 0;
318a94d6 1718 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1719 int i = 0;
612e244c 1720 hw->mac.serdes_has_link = false;
bc7f75fa 1721
e921eb1a 1722 /* On some blade server designs, link establishment
ad68076e
BA		 1723 * could take as long as 2-3 minutes
1724 */
bc7f75fa
AK		 1725 do {
1726 hw->mac.ops.check_for_link(hw);
1727 if (hw->mac.serdes_has_link)
1728 return *data;
1729 msleep(20);
1730 } while (i++ < 3750);
1731
1732 *data = 1;
1733 } else {
1734 hw->mac.ops.check_for_link(hw);
1735 if (hw->mac.autoneg)
e921eb1a 1736 /* On some Phy/switch combinations, link establishment
5661aeb0
BA		 1737 * can take a few seconds more than expected.
1738 */
ce43a216 1739 msleep_interruptible(5000);
bc7f75fa 1740
5661aeb0 1741 if (!(er32(STATUS) & E1000_STATUS_LU))
bc7f75fa
AK		 1742 *data = 1;
1743 }
1744 return *data;
1745}
1746
8bb62869
BA		 1747static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1748 int sset)
bc7f75fa 1749{
b9f2c044
JG		 1750 switch (sset) {
1751 case ETH_SS_TEST:
1752 return E1000_TEST_LEN;
1753 case ETH_SS_STATS:
1754 return E1000_STATS_LEN;
1755 default:
1756 return -EOPNOTSUPP;
1757 }
bc7f75fa
AK		 1758}
1759
1760static void e1000_diag_test(struct net_device *netdev,
1761 struct ethtool_test *eth_test, u64 *data)
1762{
1763 struct e1000_adapter *adapter = netdev_priv(netdev);
1764 u16 autoneg_advertised;
1765 u8 forced_speed_duplex;
1766 u8 autoneg;
1767 bool if_running = netif_running(netdev);
1768
3ef672ab
BA		 1769 pm_runtime_get_sync(netdev->dev.parent);
1770
bc7f75fa 1771 set_bit(__E1000_TESTING, &adapter->state);
31dbe5b4
BA		 1772
1773 if (!if_running) {
1774 /* Get control of and reset hardware */
1775 if (adapter->flags & FLAG_HAS_AMT)
1776 e1000e_get_hw_control(adapter);
1777
1778 e1000e_power_up_phy(adapter);
1779
1780 adapter->hw.phy.autoneg_wait_to_complete = 1;
1781 e1000e_reset(adapter);
1782 adapter->hw.phy.autoneg_wait_to_complete = 0;
1783 }
1784
bc7f75fa
AK		 1785 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1786 /* Offline tests */
1787
1788 /* save speed, duplex, autoneg settings */
1789 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1790 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1791 autoneg = adapter->hw.mac.autoneg;
1792
44defeb3 1793 e_info("offline testing starting\n");
bc7f75fa 1794
bc7f75fa
AK		 1795 if (if_running)
1796 /* indicate we're in test mode */
1797 dev_close(netdev);
bc7f75fa
AK		 1798
1799 if (e1000_reg_test(adapter, &data[0]))
1800 eth_test->flags |= ETH_TEST_FL_FAILED;
1801
1802 e1000e_reset(adapter);
1803 if (e1000_eeprom_test(adapter, &data[1]))
1804 eth_test->flags |= ETH_TEST_FL_FAILED;
1805
1806 e1000e_reset(adapter);
1807 if (e1000_intr_test(adapter, &data[2]))
1808 eth_test->flags |= ETH_TEST_FL_FAILED;
1809
1810 e1000e_reset(adapter);
bc7f75fa
AK		 1811 if (e1000_loopback_test(adapter, &data[3]))
1812 eth_test->flags |= ETH_TEST_FL_FAILED;
1813
c6ce3854
CW		 1814 /* force this routine to wait until autoneg complete/timeout */
1815 adapter->hw.phy.autoneg_wait_to_complete = 1;
1816 e1000e_reset(adapter);
1817 adapter->hw.phy.autoneg_wait_to_complete = 0;
1818
1819 if (e1000_link_test(adapter, &data[4]))
1820 eth_test->flags |= ETH_TEST_FL_FAILED;
1821
bc7f75fa
AK		 1822 /* restore speed, duplex, autoneg settings */
1823 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1824 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1825 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1826 e1000e_reset(adapter);
bc7f75fa
AK		 1827
1828 clear_bit(__E1000_TESTING, &adapter->state);
1829 if (if_running)
1830 dev_open(netdev);
1831 } else {
31dbe5b4 1832 /* Online tests */
11b08be8 1833
44defeb3 1834 e_info("online testing starting\n");
bc7f75fa 1835
31dbe5b4 1836 /* register, eeprom, intr and loopback tests not run online */
bc7f75fa
AK		 1837 data[0] = 0;
1838 data[1] = 0;
1839 data[2] = 0;
1840 data[3] = 0;
1841
31dbe5b4
BA		 1842 if (e1000_link_test(adapter, &data[4]))
1843 eth_test->flags |= ETH_TEST_FL_FAILED;
11b08be8 1844
bc7f75fa
AK		 1845 clear_bit(__E1000_TESTING, &adapter->state);
1846 }
31dbe5b4
BA		 1847
1848 if (!if_running) {
1849 e1000e_reset(adapter);
1850
1851 if (adapter->flags & FLAG_HAS_AMT)
1852 e1000e_release_hw_control(adapter);
1853 }
1854
bc7f75fa 1855 msleep_interruptible(4 * 1000);
3ef672ab
BA		 1856
1857 pm_runtime_put_sync(netdev->dev.parent);
bc7f75fa
AK		 1858}
1859
1860static void e1000_get_wol(struct net_device *netdev,
1861 struct ethtool_wolinfo *wol)
1862{
1863 struct e1000_adapter *adapter = netdev_priv(netdev);
1864
1865 wol->supported = 0;
1866 wol->wolopts = 0;
1867
6ff68026
RW		 1868 if (!(adapter->flags & FLAG_HAS_WOL) ||
1869 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1870 return;
1871
1872 wol->supported = WAKE_UCAST | WAKE_MCAST |
4a29e155 1873 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
bc7f75fa
AK		 1874
1875 /* apply any specific unsupported masks here */
1876 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1877 wol->supported &= ~WAKE_UCAST;
1878
1879 if (adapter->wol & E1000_WUFC_EX)
6ad65145 1880 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
bc7f75fa
AK		 1881 }
1882
1883 if (adapter->wol & E1000_WUFC_EX)
1884 wol->wolopts |= WAKE_UCAST;
1885 if (adapter->wol & E1000_WUFC_MC)
1886 wol->wolopts |= WAKE_MCAST;
1887 if (adapter->wol & E1000_WUFC_BC)
1888 wol->wolopts |= WAKE_BCAST;
1889 if (adapter->wol & E1000_WUFC_MAG)
1890 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1891 if (adapter->wol & E1000_WUFC_LNKC)
1892 wol->wolopts |= WAKE_PHY;
bc7f75fa
AK		 1893}
1894
4a29e155 1895static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
bc7f75fa
AK		 1896{
1897 struct e1000_adapter *adapter = netdev_priv(netdev);
1898
6ff68026 1899 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1900 !device_can_wakeup(&adapter->pdev->dev) ||
1901 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
4a29e155 1902 WAKE_MAGIC | WAKE_PHY)))
1fbfca32 1903 return -EOPNOTSUPP;
bc7f75fa
AK		 1904
1905 /* these settings will always override what we currently have */
1906 adapter->wol = 0;
1907
1908 if (wol->wolopts & WAKE_UCAST)
1909 adapter->wol |= E1000_WUFC_EX;
1910 if (wol->wolopts & WAKE_MCAST)
1911 adapter->wol |= E1000_WUFC_MC;
1912 if (wol->wolopts & WAKE_BCAST)
1913 adapter->wol |= E1000_WUFC_BC;
1914 if (wol->wolopts & WAKE_MAGIC)
1915 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1916 if (wol->wolopts & WAKE_PHY)
1917 adapter->wol |= E1000_WUFC_LNKC;
bc7f75fa 1918
6ff68026
RW		 1919 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1920
bc7f75fa
AK		 1921 return 0;
1922}
1923
dbf80dcb
BA		 1924static int e1000_set_phys_id(struct net_device *netdev,
1925 enum ethtool_phys_id_state state)
bc7f75fa
AK		 1926{
1927 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1928 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1929
dbf80dcb
BA		 1930 switch (state) {
1931 case ETHTOOL_ID_ACTIVE:
3ef672ab
BA		 1932 pm_runtime_get_sync(netdev->dev.parent);
1933
dbf80dcb
BA		 1934 if (!hw->mac.ops.blink_led)
1935 return 2; /* cycle on/off twice per second */
bc7f75fa 1936
dbf80dcb
BA		 1937 hw->mac.ops.blink_led(hw);
1938 break;
1939
1940 case ETHTOOL_ID_INACTIVE:
4662e82b
BA		 1941 if (hw->phy.type == e1000_phy_ife)
1942 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
dbf80dcb
BA		 1943 hw->mac.ops.led_off(hw);
1944 hw->mac.ops.cleanup_led(hw);
3ef672ab 1945 pm_runtime_put_sync(netdev->dev.parent);
dbf80dcb 1946 break;
bc7f75fa 1947
dbf80dcb 1948 case ETHTOOL_ID_ON:
f23efdff 1949 hw->mac.ops.led_on(hw);
dbf80dcb 1950 break;
bc7f75fa 1951
dbf80dcb 1952 case ETHTOOL_ID_OFF:
f23efdff 1953 hw->mac.ops.led_off(hw);
dbf80dcb
BA		 1954 break;
1955 }
3ef672ab 1956
bc7f75fa
AK		 1957 return 0;
1958}
1959
de5b3077
AK		 1960static int e1000_get_coalesce(struct net_device *netdev,
1961 struct ethtool_coalesce *ec)
1962{
1963 struct e1000_adapter *adapter = netdev_priv(netdev);
1964
eab2abf5 1965 if (adapter->itr_setting <= 4)
de5b3077
AK		 1966 ec->rx_coalesce_usecs = adapter->itr_setting;
1967 else
1968 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1969
1970 return 0;
1971}
1972
1973static int e1000_set_coalesce(struct net_device *netdev,
1974 struct ethtool_coalesce *ec)
1975{
1976 struct e1000_adapter *adapter = netdev_priv(netdev);
de5b3077
AK		 1977
1978 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1979 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1980 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1981 (ec->rx_coalesce_usecs == 2))
1982 return -EINVAL;
1983
eab2abf5 1984 if (ec->rx_coalesce_usecs == 4) {
06a402ef
BA		 1985 adapter->itr_setting = 4;
1986 adapter->itr = adapter->itr_setting;
eab2abf5 1987 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1988 adapter->itr = 20000;
1989 adapter->itr_setting = ec->rx_coalesce_usecs;
1990 } else {
1991 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1992 adapter->itr_setting = adapter->itr & ~3;
1993 }
1994
3ef672ab
BA		 1995 pm_runtime_get_sync(netdev->dev.parent);
1996
de5b3077 1997 if (adapter->itr_setting != 0)
22a4cca2 1998 e1000e_write_itr(adapter, adapter->itr);
de5b3077 1999 else
22a4cca2 2000 e1000e_write_itr(adapter, 0);
de5b3077 2001
3ef672ab
BA		 2002 pm_runtime_put_sync(netdev->dev.parent);
2003
de5b3077
AK		 2004 return 0;
2005}
2006
bc7f75fa
AK		 2007static int e1000_nway_reset(struct net_device *netdev)
2008{
2009 struct e1000_adapter *adapter = netdev_priv(netdev);
5962bc21
BA		 2010
2011 if (!netif_running(netdev))
2012 return -EAGAIN;
2013
2014 if (!adapter->hw.mac.autoneg)
2015 return -EINVAL;
2016
3ef672ab 2017 pm_runtime_get_sync(netdev->dev.parent);
5962bc21 2018 e1000e_reinit_locked(adapter);
3ef672ab 2019 pm_runtime_put_sync(netdev->dev.parent);
5962bc21 2020
bc7f75fa
AK		 2021 return 0;
2022}
2023
bc7f75fa 2024static void e1000_get_ethtool_stats(struct net_device *netdev,
8bb62869 2025 struct ethtool_stats __always_unused *stats,
bc7f75fa
AK		 2026 u64 *data)
2027{
2028 struct e1000_adapter *adapter = netdev_priv(netdev);
67fd4fcb 2029 struct rtnl_link_stats64 net_stats;
bc7f75fa 2030 int i;
e0f36a95 2031 char *p = NULL;
bc7f75fa 2032
3ef672ab
BA		 2033 pm_runtime_get_sync(netdev->dev.parent);
2034
67fd4fcb 2035 e1000e_get_stats64(netdev, &net_stats);
3ef672ab
BA		 2036
2037 pm_runtime_put_sync(netdev->dev.parent);
2038
bc7f75fa 2039 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 2040 switch (e1000_gstrings_stats[i].type) {
2041 case NETDEV_STATS:
53aa82da 2042 p = (char *)&net_stats +
f0ff4398 2043 e1000_gstrings_stats[i].stat_offset;
e0f36a95
AK		 2044 break;
2045 case E1000_STATS:
53aa82da 2046 p = (char *)adapter +
f0ff4398 2047 e1000_gstrings_stats[i].stat_offset;
e0f36a95 2048 break;
61c75816
BA		 2049 default:
2050 data[i] = 0;
2051 continue;
e0f36a95
AK		 2052 }
2053
bc7f75fa 2054 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
f0ff4398 2055 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
bc7f75fa
AK		 2056 }
2057}
2058
8bb62869
BA		 2059static void e1000_get_strings(struct net_device __always_unused *netdev,
2060 u32 stringset, u8 *data)
bc7f75fa
AK		 2061{
2062 u8 *p = data;
2063 int i;
2064
2065 switch (stringset) {
2066 case ETH_SS_TEST:
5c1bda0a 2067 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2068 break;
2069 case ETH_SS_STATS:
2070 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2071 memcpy(p, e1000_gstrings_stats[i].stat_string,
2072 ETH_GSTRING_LEN);
2073 p += ETH_GSTRING_LEN;
2074 }
2075 break;
2076 }
2077}
2078
70495a50 2079static int e1000_get_rxnfc(struct net_device *netdev,
8bb62869
BA		 2080 struct ethtool_rxnfc *info,
2081 u32 __always_unused *rule_locs)
70495a50
BA		 2082{
2083 info->data = 0;
2084
2085 switch (info->cmd) {
2086 case ETHTOOL_GRXFH: {
2087 struct e1000_adapter *adapter = netdev_priv(netdev);
2088 struct e1000_hw *hw = &adapter->hw;
3ef672ab
BA		 2089 u32 mrqc;
2090
2091 pm_runtime_get_sync(netdev->dev.parent);
2092 mrqc = er32(MRQC);
2093 pm_runtime_put_sync(netdev->dev.parent);
70495a50
BA		 2094
2095 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2096 return 0;
2097
2098 switch (info->flow_type) {
2099 case TCP_V4_FLOW:
2100 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2101 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2102 /* fall through */
2103 case UDP_V4_FLOW:
2104 case SCTP_V4_FLOW:
2105 case AH_ESP_V4_FLOW:
2106 case IPV4_FLOW:
2107 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2108 info->data |= RXH_IP_SRC | RXH_IP_DST;
2109 break;
2110 case TCP_V6_FLOW:
2111 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2112 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2113 /* fall through */
2114 case UDP_V6_FLOW:
2115 case SCTP_V6_FLOW:
2116 case AH_ESP_V6_FLOW:
2117 case IPV6_FLOW:
2118 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2119 info->data |= RXH_IP_SRC | RXH_IP_DST;
2120 break;
2121 default:
2122 break;
2123 }
2124 return 0;
2125 }
2126 default:
2127 return -EOPNOTSUPP;
2128 }
2129}
2130
203e4151
BA		 2131static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2132{
2133 struct e1000_adapter *adapter = netdev_priv(netdev);
2134 struct e1000_hw *hw = &adapter->hw;
d495bcb8
BA		 2135 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2136 u32 ret_val;
203e4151 2137
d495bcb8 2138 if (!(adapter->flags2 & FLAG2_HAS_EEE))
203e4151
BA		 2139 return -EOPNOTSUPP;
2140
2141 switch (hw->phy.type) {
2142 case e1000_phy_82579:
2143 cap_addr = I82579_EEE_CAPABILITY;
203e4151
BA		 2144 lpa_addr = I82579_EEE_LP_ABILITY;
2145 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2146 break;
2147 case e1000_phy_i217:
2148 cap_addr = I217_EEE_CAPABILITY;
203e4151
BA		 2149 lpa_addr = I217_EEE_LP_ABILITY;
2150 pcs_stat_addr = I217_EEE_PCS_STATUS;
2151 break;
2152 default:
2153 return -EOPNOTSUPP;
2154 }
2155
3ef672ab
BA		 2156 pm_runtime_get_sync(netdev->dev.parent);
2157
203e4151 2158 ret_val = hw->phy.ops.acquire(hw);
3ef672ab
BA		 2159 if (ret_val) {
2160 pm_runtime_put_sync(netdev->dev.parent);
203e4151 2161 return -EBUSY;
3ef672ab 2162 }
203e4151
BA		 2163
2164 /* EEE Capability */
2165 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2166 if (ret_val)
2167 goto release;
2168 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2169
2170 /* EEE Advertised */
d495bcb8 2171 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
203e4151
BA		 2172
2173 /* EEE Link Partner Advertised */
2174 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2175 if (ret_val)
2176 goto release;
2177 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2178
2179 /* EEE PCS Status */
2180 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
3ef672ab
BA		 2181 if (ret_val)
2182 goto release;
203e4151
BA		 2183 if (hw->phy.type == e1000_phy_82579)
2184 phy_data <<= 8;
2185
203e4151
BA		 2186 /* Result of the EEE auto negotiation - there is no register that
2187 * has the status of the EEE negotiation so do a best-guess based
d495bcb8 2188 * on whether Tx or Rx LPI indications have been received.
203e4151 2189 */
d495bcb8 2190 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
203e4151
BA		 2191 edata->eee_active = true;
2192
2193 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2194 edata->tx_lpi_enabled = true;
2195 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2196
3ef672ab
BA		 2197release:
2198 hw->phy.ops.release(hw);
2199 if (ret_val)
2200 ret_val = -ENODATA;
2201
2202 pm_runtime_put_sync(netdev->dev.parent);
2203
2204 return ret_val;
203e4151
BA		 2205}
2206
2207static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2208{
2209 struct e1000_adapter *adapter = netdev_priv(netdev);
2210 struct e1000_hw *hw = &adapter->hw;
2211 struct ethtool_eee eee_curr;
2212 s32 ret_val;
2213
203e4151
BA		 2214 ret_val = e1000e_get_eee(netdev, &eee_curr);
2215 if (ret_val)
2216 return ret_val;
2217
203e4151
BA		 2218 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2219 e_err("Setting EEE tx-lpi is not supported\n");
2220 return -EINVAL;
2221 }
2222
2223 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2224 e_err("Setting EEE Tx LPI timer is not supported\n");
2225 return -EINVAL;
2226 }
2227
d495bcb8
BA		 2228 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2229 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2230 return -EINVAL;
203e4151
BA		 2231 }
2232
d495bcb8
BA		 2233 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2234
2235 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2236
3ef672ab
BA		 2237 pm_runtime_get_sync(netdev->dev.parent);
2238
d495bcb8
BA		 2239 /* reset the link */
2240 if (netif_running(netdev))
2241 e1000e_reinit_locked(adapter);
2242 else
2243 e1000e_reset(adapter);
2244
3ef672ab
BA		 2245 pm_runtime_put_sync(netdev->dev.parent);
2246
203e4151
BA		 2247 return 0;
2248}
2249
b67e1913
BA		 2250static int e1000e_get_ts_info(struct net_device *netdev,
2251 struct ethtool_ts_info *info)
2252{
2253 struct e1000_adapter *adapter = netdev_priv(netdev);
2254
2255 ethtool_op_get_ts_info(netdev, info);
2256
2257 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2258 return 0;
2259
2260 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2261 SOF_TIMESTAMPING_RX_HARDWARE |
2262 SOF_TIMESTAMPING_RAW_HARDWARE);
2263
2264 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2265
2266 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
d89777bf
BA		 2267 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2268 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2269 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2270 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2271 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2272 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2273 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2274 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2275 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
b67e1913
BA		 2276 (1 << HWTSTAMP_FILTER_ALL));
2277
d89777bf
BA		 2278 if (adapter->ptp_clock)
2279 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2280
b67e1913
BA		 2281 return 0;
2282}
2283
bc7f75fa
AK		 2284static const struct ethtool_ops e1000_ethtool_ops = {
2285 .get_settings = e1000_get_settings,
2286 .set_settings = e1000_set_settings,
2287 .get_drvinfo = e1000_get_drvinfo,
2288 .get_regs_len = e1000_get_regs_len,
2289 .get_regs = e1000_get_regs,
2290 .get_wol = e1000_get_wol,
2291 .set_wol = e1000_set_wol,
2292 .get_msglevel = e1000_get_msglevel,
2293 .set_msglevel = e1000_set_msglevel,
2294 .nway_reset = e1000_nway_reset,
ed4ba4b5 2295 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2296 .get_eeprom_len = e1000_get_eeprom_len,
2297 .get_eeprom = e1000_get_eeprom,
2298 .set_eeprom = e1000_set_eeprom,
2299 .get_ringparam = e1000_get_ringparam,
2300 .set_ringparam = e1000_set_ringparam,
2301 .get_pauseparam = e1000_get_pauseparam,
2302 .set_pauseparam = e1000_set_pauseparam,
bc7f75fa
AK		 2303 .self_test = e1000_diag_test,
2304 .get_strings = e1000_get_strings,
dbf80dcb 2305 .set_phys_id = e1000_set_phys_id,
bc7f75fa 2306 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2307 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2308 .get_coalesce = e1000_get_coalesce,
2309 .set_coalesce = e1000_set_coalesce,
70495a50 2310 .get_rxnfc = e1000_get_rxnfc,
b67e1913 2311 .get_ts_info = e1000e_get_ts_info,
203e4151
BA		 2312 .get_eee = e1000e_get_eee,
2313 .set_eee = e1000e_set_eee,
bc7f75fa
AK		 2314};
2315
2316void e1000e_set_ethtool_ops(struct net_device *netdev)
2317{
2318 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2319}
Linux kernel - Deliverables
This page took 0.84862 seconds and 5 git commands to generate.