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e1000e: cleanup formatting of static structs
[deliverable/linux.git] / drivers / net / ethernet / intel / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
bf67044b 4 Copyright(c) 1999 - 2013 Intel Corporation.
bc7f75fa
AK		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for e1000 */
30
31#include <linux/netdevice.h>
9fb7a5f7 32#include <linux/interrupt.h>
bc7f75fa
AK		 33#include <linux/ethtool.h>
34#include <linux/pci.h>
5a0e3ad6 35#include <linux/slab.h>
bc7f75fa 36#include <linux/delay.h>
c85c21ad 37#include <linux/vmalloc.h>
203e4151 38#include <linux/mdio.h>
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) &&
14ad2513
DD		 226 spd != SPEED_1000 &&
227 dplx != DUPLEX_FULL) {
228 goto err_inval;
bc7f75fa
AK		 229 }
230
14ad2513 231 switch (spd + dplx) {
bc7f75fa
AK		 232 case SPEED_10 + DUPLEX_HALF:
233 mac->forced_speed_duplex = ADVERTISE_10_HALF;
234 break;
235 case SPEED_10 + DUPLEX_FULL:
236 mac->forced_speed_duplex = ADVERTISE_10_FULL;
237 break;
238 case SPEED_100 + DUPLEX_HALF:
239 mac->forced_speed_duplex = ADVERTISE_100_HALF;
240 break;
241 case SPEED_100 + DUPLEX_FULL:
242 mac->forced_speed_duplex = ADVERTISE_100_FULL;
243 break;
244 case SPEED_1000 + DUPLEX_FULL:
245 mac->autoneg = 1;
246 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
247 break;
248 case SPEED_1000 + DUPLEX_HALF: /* not supported */
249 default:
14ad2513 250 goto err_inval;
bc7f75fa 251 }
4e8186b6
JB		 252
253 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
254 adapter->hw.phy.mdix = AUTO_ALL_MODES;
255
bc7f75fa 256 return 0;
14ad2513
DD		 257
258err_inval:
259 e_err("Unsupported Speed/Duplex configuration\n");
260 return -EINVAL;
bc7f75fa
AK		 261}
262
263static int e1000_set_settings(struct net_device *netdev,
264 struct ethtool_cmd *ecmd)
265{
266 struct e1000_adapter *adapter = netdev_priv(netdev);
267 struct e1000_hw *hw = &adapter->hw;
268
e921eb1a 269 /* When SoL/IDER sessions are active, autoneg/speed/duplex
ad68076e
BA		 270 * cannot be changed
271 */
470a5420
BA		 272 if (hw->phy.ops.check_reset_block &&
273 hw->phy.ops.check_reset_block(hw)) {
6ad65145 274 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
bc7f75fa
AK		 275 return -EINVAL;
276 }
277
e921eb1a 278 /* MDI setting is only allowed when autoneg enabled because
4e8186b6
JB		 279 * some hardware doesn't allow MDI setting when speed or
280 * duplex is forced.
281 */
282 if (ecmd->eth_tp_mdix_ctrl) {
283 if (hw->phy.media_type != e1000_media_type_copper)
284 return -EOPNOTSUPP;
285
286 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
287 (ecmd->autoneg != AUTONEG_ENABLE)) {
288 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
289 return -EINVAL;
290 }
291 }
292
bc7f75fa 293 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 294 usleep_range(1000, 2000);
bc7f75fa
AK		 295
296 if (ecmd->autoneg == AUTONEG_ENABLE) {
297 hw->mac.autoneg = 1;
318a94d6 298 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa 299 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
f0ff4398 300 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
bc7f75fa
AK		 301 else
302 hw->phy.autoneg_advertised = ecmd->advertising |
f0ff4398 303 ADVERTISED_TP | ADVERTISED_Autoneg;
bc7f75fa 304 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 305 if (adapter->fc_autoneg)
5c48ef3e 306 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa 307 } else {
25db0338 308 u32 speed = ethtool_cmd_speed(ecmd);
4e8186b6 309 /* calling this overrides forced MDI setting */
14ad2513 310 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
bc7f75fa
AK		 311 clear_bit(__E1000_RESETTING, &adapter->state);
312 return -EINVAL;
313 }
314 }
315
4e8186b6
JB		 316 /* MDI-X => 2; MDI => 1; Auto => 3 */
317 if (ecmd->eth_tp_mdix_ctrl) {
e921eb1a 318 /* fix up the value for auto (3 => 0) as zero is mapped
4e8186b6
JB		 319 * internally to auto
320 */
321 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
322 hw->phy.mdix = AUTO_ALL_MODES;
323 else
324 hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
325 }
326
bc7f75fa 327 /* reset the link */
bc7f75fa
AK		 328 if (netif_running(adapter->netdev)) {
329 e1000e_down(adapter);
330 e1000e_up(adapter);
a7a1d9da 331 } else {
bc7f75fa 332 e1000e_reset(adapter);
a7a1d9da 333 }
bc7f75fa
AK		 334
335 clear_bit(__E1000_RESETTING, &adapter->state);
336 return 0;
337}
338
339static void e1000_get_pauseparam(struct net_device *netdev,
340 struct ethtool_pauseparam *pause)
341{
342 struct e1000_adapter *adapter = netdev_priv(netdev);
343 struct e1000_hw *hw = &adapter->hw;
344
345 pause->autoneg =
f0ff4398 346 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
bc7f75fa 347
5c48ef3e 348 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 349 pause->rx_pause = 1;
5c48ef3e 350 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 351 pause->tx_pause = 1;
5c48ef3e 352 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 353 pause->rx_pause = 1;
354 pause->tx_pause = 1;
355 }
356}
357
358static int e1000_set_pauseparam(struct net_device *netdev,
359 struct ethtool_pauseparam *pause)
360{
361 struct e1000_adapter *adapter = netdev_priv(netdev);
362 struct e1000_hw *hw = &adapter->hw;
363 int retval = 0;
364
365 adapter->fc_autoneg = pause->autoneg;
366
367 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
1bba4386 368 usleep_range(1000, 2000);
bc7f75fa 369
bc7f75fa 370 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 371 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 372 if (netif_running(adapter->netdev)) {
373 e1000e_down(adapter);
374 e1000e_up(adapter);
375 } else {
376 e1000e_reset(adapter);
377 }
378 } else {
5c48ef3e
BA		 379 if (pause->rx_pause && pause->tx_pause)
380 hw->fc.requested_mode = e1000_fc_full;
381 else if (pause->rx_pause && !pause->tx_pause)
382 hw->fc.requested_mode = e1000_fc_rx_pause;
383 else if (!pause->rx_pause && pause->tx_pause)
384 hw->fc.requested_mode = e1000_fc_tx_pause;
385 else if (!pause->rx_pause && !pause->tx_pause)
386 hw->fc.requested_mode = e1000_fc_none;
387
388 hw->fc.current_mode = hw->fc.requested_mode;
389
945eb313
BA		 390 if (hw->phy.media_type == e1000_media_type_fiber) {
391 retval = hw->mac.ops.setup_link(hw);
392 /* implicit goto out */
393 } else {
394 retval = e1000e_force_mac_fc(hw);
395 if (retval)
396 goto out;
397 e1000e_set_fc_watermarks(hw);
398 }
bc7f75fa
AK		 399 }
400
945eb313 401out:
bc7f75fa
AK		 402 clear_bit(__E1000_RESETTING, &adapter->state);
403 return retval;
404}
405
bc7f75fa
AK		 406static u32 e1000_get_msglevel(struct net_device *netdev)
407{
408 struct e1000_adapter *adapter = netdev_priv(netdev);
409 return adapter->msg_enable;
410}
411
412static void e1000_set_msglevel(struct net_device *netdev, u32 data)
413{
414 struct e1000_adapter *adapter = netdev_priv(netdev);
415 adapter->msg_enable = data;
416}
417
8bb62869 418static int e1000_get_regs_len(struct net_device __always_unused *netdev)
bc7f75fa
AK		 419{
420#define E1000_REGS_LEN 32 /* overestimate */
421 return E1000_REGS_LEN * sizeof(u32);
422}
423
424static void e1000_get_regs(struct net_device *netdev,
425 struct ethtool_regs *regs, void *p)
426{
427 struct e1000_adapter *adapter = netdev_priv(netdev);
428 struct e1000_hw *hw = &adapter->hw;
429 u32 *regs_buff = p;
430 u16 phy_data;
bc7f75fa
AK		 431
432 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
433
ff938e43 434 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
f0ff4398 435 adapter->pdev->device;
bc7f75fa
AK		 436
437 regs_buff[0] = er32(CTRL);
438 regs_buff[1] = er32(STATUS);
439
440 regs_buff[2] = er32(RCTL);
1e36052e
BA		 441 regs_buff[3] = er32(RDLEN(0));
442 regs_buff[4] = er32(RDH(0));
443 regs_buff[5] = er32(RDT(0));
bc7f75fa
AK		 444 regs_buff[6] = er32(RDTR);
445
446 regs_buff[7] = er32(TCTL);
1e36052e
BA		 447 regs_buff[8] = er32(TDLEN(0));
448 regs_buff[9] = er32(TDH(0));
449 regs_buff[10] = er32(TDT(0));
bc7f75fa
AK		 450 regs_buff[11] = er32(TIDV);
451
452 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 453
454 /* ethtool doesn't use anything past this point, so all this
e921eb1a
BA		 455 * code is likely legacy junk for apps that may or may not exist
456 */
bc7f75fa
AK		 457 if (hw->phy.type == e1000_phy_m88) {
458 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
459 regs_buff[13] = (u32)phy_data; /* cable length */
460 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
461 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
462 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
463 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
464 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
465 regs_buff[18] = regs_buff[13]; /* cable polarity */
466 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
467 regs_buff[20] = regs_buff[17]; /* polarity correction */
468 /* phy receive errors */
469 regs_buff[22] = adapter->phy_stats.receive_errors;
470 regs_buff[23] = regs_buff[13]; /* mdix mode */
471 }
c2ade1a4
BA		 472 regs_buff[21] = 0; /* was idle_errors */
473 e1e_rphy(hw, MII_STAT1000, &phy_data);
474 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
475 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
bc7f75fa
AK		 476}
477
478static int e1000_get_eeprom_len(struct net_device *netdev)
479{
480 struct e1000_adapter *adapter = netdev_priv(netdev);
481 return adapter->hw.nvm.word_size * 2;
482}
483
484static int e1000_get_eeprom(struct net_device *netdev,
485 struct ethtool_eeprom *eeprom, u8 *bytes)
486{
487 struct e1000_adapter *adapter = netdev_priv(netdev);
488 struct e1000_hw *hw = &adapter->hw;
489 u16 *eeprom_buff;
490 int first_word;
491 int last_word;
492 int ret_val = 0;
493 u16 i;
494
495 if (eeprom->len == 0)
496 return -EINVAL;
497
498 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
499
500 first_word = eeprom->offset >> 1;
501 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
502
17e813ec
BA		 503 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
504 GFP_KERNEL);
bc7f75fa
AK		 505 if (!eeprom_buff)
506 return -ENOMEM;
507
508 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
509 ret_val = e1000_read_nvm(hw, first_word,
510 last_word - first_word + 1,
511 eeprom_buff);
512 } else {
513 for (i = 0; i < last_word - first_word + 1; i++) {
514 ret_val = e1000_read_nvm(hw, first_word + i, 1,
17e813ec 515 &eeprom_buff[i]);
e243455d 516 if (ret_val)
bc7f75fa
AK		 517 break;
518 }
519 }
520
e243455d
BA		 521 if (ret_val) {
522 /* a read error occurred, throw away the result */
8528b016
RK		 523 memset(eeprom_buff, 0xff, sizeof(u16) *
524 (last_word - first_word + 1));
e243455d
BA		 525 } else {
526 /* Device's eeprom is always little-endian, word addressable */
527 for (i = 0; i < last_word - first_word + 1; i++)
528 le16_to_cpus(&eeprom_buff[i]);
529 }
bc7f75fa
AK		 530
531 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
532 kfree(eeprom_buff);
533
534 return ret_val;
535}
536
537static int e1000_set_eeprom(struct net_device *netdev,
538 struct ethtool_eeprom *eeprom, u8 *bytes)
539{
540 struct e1000_adapter *adapter = netdev_priv(netdev);
541 struct e1000_hw *hw = &adapter->hw;
542 u16 *eeprom_buff;
543 void *ptr;
544 int max_len;
545 int first_word;
546 int last_word;
547 int ret_val = 0;
548 u16 i;
549
550 if (eeprom->len == 0)
551 return -EOPNOTSUPP;
552
c29c3ba5
BA		 553 if (eeprom->magic !=
554 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
bc7f75fa
AK		 555 return -EFAULT;
556
4a770358
BA		 557 if (adapter->flags & FLAG_READ_ONLY_NVM)
558 return -EINVAL;
559
bc7f75fa
AK		 560 max_len = hw->nvm.word_size * 2;
561
562 first_word = eeprom->offset >> 1;
563 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
564 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
565 if (!eeprom_buff)
566 return -ENOMEM;
567
568 ptr = (void *)eeprom_buff;
569
570 if (eeprom->offset & 1) {
571 /* need read/modify/write of first changed EEPROM word */
572 /* only the second byte of the word is being modified */
573 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
574 ptr++;
575 }
9e2d7657 576 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
bc7f75fa
AK		 577 /* need read/modify/write of last changed EEPROM word */
578 /* only the first byte of the word is being modified */
579 ret_val = e1000_read_nvm(hw, last_word, 1,
17e813ec 580 &eeprom_buff[last_word - first_word]);
bc7f75fa 581
e243455d
BA		 582 if (ret_val)
583 goto out;
584
bc7f75fa
AK		 585 /* Device's eeprom is always little-endian, word addressable */
586 for (i = 0; i < last_word - first_word + 1; i++)
587 le16_to_cpus(&eeprom_buff[i]);
588
589 memcpy(ptr, bytes, eeprom->len);
590
591 for (i = 0; i < last_word - first_word + 1; i++)
e885d762 592 cpu_to_le16s(&eeprom_buff[i]);
bc7f75fa
AK		 593
594 ret_val = e1000_write_nvm(hw, first_word,
595 last_word - first_word + 1, eeprom_buff);
596
e243455d
BA		 597 if (ret_val)
598 goto out;
599
e921eb1a 600 /* Update the checksum over the first part of the EEPROM if needed
e243455d 601 * and flush shadow RAM for applicable controllers
ad68076e 602 */
e243455d 603 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 604 (hw->mac.type == e1000_82583) ||
605 (hw->mac.type == e1000_82574) ||
606 (hw->mac.type == e1000_82573))
e243455d 607 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 608
e243455d 609out:
bc7f75fa
AK		 610 kfree(eeprom_buff);
611 return ret_val;
612}
613
614static void e1000_get_drvinfo(struct net_device *netdev,
615 struct ethtool_drvinfo *drvinfo)
616{
617 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa 618
612a94d6
RJ		 619 strlcpy(drvinfo->driver, e1000e_driver_name,
620 sizeof(drvinfo->driver));
33a5ba14 621 strlcpy(drvinfo->version, e1000e_driver_version,
612a94d6 622 sizeof(drvinfo->version));
bc7f75fa 623
e921eb1a 624 /* EEPROM image version # is reported as firmware version # for
ad68076e
BA		 625 * PCI-E controllers
626 */
612a94d6 627 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
17e813ec
BA		 628 "%d.%d-%d",
629 (adapter->eeprom_vers & 0xF000) >> 12,
630 (adapter->eeprom_vers & 0x0FF0) >> 4,
631 (adapter->eeprom_vers & 0x000F));
bc7f75fa 632
612a94d6
RJ		 633 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
634 sizeof(drvinfo->bus_info));
bc7f75fa
AK		 635 drvinfo->regdump_len = e1000_get_regs_len(netdev);
636 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
637}
638
639static void e1000_get_ringparam(struct net_device *netdev,
640 struct ethtool_ringparam *ring)
641{
642 struct e1000_adapter *adapter = netdev_priv(netdev);
bc7f75fa
AK		 643
644 ring->rx_max_pending = E1000_MAX_RXD;
645 ring->tx_max_pending = E1000_MAX_TXD;
508da426
BA		 646 ring->rx_pending = adapter->rx_ring_count;
647 ring->tx_pending = adapter->tx_ring_count;
bc7f75fa
AK		 648}
649
650static int e1000_set_ringparam(struct net_device *netdev,
651 struct ethtool_ringparam *ring)
652{
653 struct e1000_adapter *adapter = netdev_priv(netdev);
508da426
BA		 654 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
655 int err = 0, size = sizeof(struct e1000_ring);
656 bool set_tx = false, set_rx = false;
657 u16 new_rx_count, new_tx_count;
bc7f75fa
AK		 658
659 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
660 return -EINVAL;
661
508da426
BA		 662 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
663 E1000_MAX_RXD);
664 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
bc7f75fa 665
508da426
BA		 666 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
667 E1000_MAX_TXD);
668 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
bc7f75fa 669
508da426
BA		 670 if ((new_tx_count == adapter->tx_ring_count) &&
671 (new_rx_count == adapter->rx_ring_count))
672 /* nothing to do */
673 return 0;
bc7f75fa 674
508da426
BA		 675 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
676 usleep_range(1000, 2000);
bc7f75fa 677
508da426
BA		 678 if (!netif_running(adapter->netdev)) {
679 /* Set counts now and allocate resources during open() */
680 adapter->tx_ring->count = new_tx_count;
681 adapter->rx_ring->count = new_rx_count;
682 adapter->tx_ring_count = new_tx_count;
683 adapter->rx_ring_count = new_rx_count;
684 goto clear_reset;
685 }
bc7f75fa 686
508da426
BA		 687 set_tx = (new_tx_count != adapter->tx_ring_count);
688 set_rx = (new_rx_count != adapter->rx_ring_count);
bc7f75fa 689
508da426
BA		 690 /* Allocate temporary storage for ring updates */
691 if (set_tx) {
692 temp_tx = vmalloc(size);
693 if (!temp_tx) {
694 err = -ENOMEM;
695 goto free_temp;
696 }
697 }
698 if (set_rx) {
699 temp_rx = vmalloc(size);
700 if (!temp_rx) {
701 err = -ENOMEM;
702 goto free_temp;
703 }
704 }
bc7f75fa 705
508da426 706 e1000e_down(adapter);
bc7f75fa 707
e921eb1a 708 /* We can't just free everything and then setup again, because the
508da426
BA		 709 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
710 * structs. First, attempt to allocate new resources...
711 */
712 if (set_tx) {
713 memcpy(temp_tx, adapter->tx_ring, size);
714 temp_tx->count = new_tx_count;
715 err = e1000e_setup_tx_resources(temp_tx);
bc7f75fa 716 if (err)
508da426
BA		 717 goto err_setup;
718 }
719 if (set_rx) {
720 memcpy(temp_rx, adapter->rx_ring, size);
721 temp_rx->count = new_rx_count;
722 err = e1000e_setup_rx_resources(temp_rx);
bc7f75fa 723 if (err)
508da426
BA		 724 goto err_setup_rx;
725 }
726
727 /* ...then free the old resources and copy back any new ring data */
728 if (set_tx) {
55aa6985 729 e1000e_free_tx_resources(adapter->tx_ring);
508da426
BA		 730 memcpy(adapter->tx_ring, temp_tx, size);
731 adapter->tx_ring_count = new_tx_count;
732 }
733 if (set_rx) {
734 e1000e_free_rx_resources(adapter->rx_ring);
735 memcpy(adapter->rx_ring, temp_rx, size);
736 adapter->rx_ring_count = new_rx_count;
bc7f75fa
AK		 737 }
738
bc7f75fa 739err_setup_rx:
508da426
BA		 740 if (err && set_tx)
741 e1000e_free_tx_resources(temp_tx);
bc7f75fa 742err_setup:
508da426
BA		 743 e1000e_up(adapter);
744free_temp:
745 vfree(temp_tx);
746 vfree(temp_rx);
747clear_reset:
bc7f75fa
AK		 748 clear_bit(__E1000_RESETTING, &adapter->state);
749 return err;
750}
751
cef8c793
BA		 752static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
753 int reg, int offset, u32 mask, u32 write)
2a887191 754{
cef8c793 755 u32 pat, val;
6480641e 756 static const u32 test[] = {
04e115cf
BA		 757 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
758 };
cef8c793 759 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 760 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 761 (test[pat] & write));
762 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
763 if (val != (test[pat] & write & mask)) {
a8fc1891
BA		 764 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
765 reg + (offset << 2), val,
766 (test[pat] & write & mask));
2a887191 767 *data = reg;
cef8c793 768 return 1;
2a887191
JP		 769 }
770 }
cef8c793 771 return 0;
bc7f75fa
AK		 772}
773
2a887191
JP		 774static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
775 int reg, u32 mask, u32 write)
776{
cef8c793 777 u32 val;
2a887191 778 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 779 val = __er32(&adapter->hw, reg);
780 if ((write & mask) != (val & mask)) {
a8fc1891 781 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
6ad65145 782 reg, (val & mask), (write & mask));
2a887191 783 *data = reg;
cef8c793 784 return 1;
2a887191 785 }
cef8c793 786 return 0;
bc7f75fa 787}
fc830b78 788
cef8c793
BA		 789#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
790 do { \
791 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
792 return 1; \
2a887191 793 } while (0)
cef8c793
BA		 794#define REG_PATTERN_TEST(reg, mask, write) \
795 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 796
cef8c793
BA		 797#define REG_SET_AND_CHECK(reg, mask, write) \
798 do { \
799 if (reg_set_and_check(adapter, data, reg, mask, write)) \
800 return 1; \
2a887191
JP		 801 } while (0)
802
bc7f75fa
AK		 803static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
804{
805 struct e1000_hw *hw = &adapter->hw;
806 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 807 u32 value;
808 u32 before;
809 u32 after;
810 u32 i;
811 u32 toggle;
a4f58f54 812 u32 mask;
2fbe4526 813 u32 wlock_mac = 0;
bc7f75fa 814
e921eb1a 815 /* The status register is Read Only, so a write should fail.
33550cec
BA		 816 * Some bits that get toggled are ignored. There are several bits
817 * on newer hardware that are r/w.
bc7f75fa
AK		 818 */
819 switch (mac->type) {
bc7f75fa
AK		 820 case e1000_82571:
821 case e1000_82572:
822 case e1000_80003es2lan:
823 toggle = 0x7FFFF3FF;
824 break;
f0ff4398 825 default:
bc7f75fa
AK		 826 toggle = 0x7FFFF033;
827 break;
bc7f75fa
AK		 828 }
829
830 before = er32(STATUS);
831 value = (er32(STATUS) & toggle);
832 ew32(STATUS, toggle);
833 after = er32(STATUS) & toggle;
834 if (value != after) {
6ad65145
BA		 835 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
836 after, value);
bc7f75fa
AK		 837 *data = 1;
838 return 1;
839 }
840 /* restore previous status */
841 ew32(STATUS, before);
842
97ac8cae 843 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 844 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
846 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
847 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
848 }
849
850 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
1e36052e
BA		 851 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
852 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
853 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
854 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
bc7f75fa
AK		 855 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
856 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
857 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
1e36052e
BA		 858 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
859 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
bc7f75fa
AK		 860
861 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
862
97ac8cae 863 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 864 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
865 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
866
8658251d 867 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
1e36052e 868 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 869 if (!(adapter->flags & FLAG_IS_ICH))
8658251d 870 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
1e36052e 871 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
8658251d 872 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 873 mask = 0x8003FFFF;
874 switch (mac->type) {
875 case e1000_ich10lan:
876 case e1000_pchlan:
d3738bb8 877 case e1000_pch2lan:
2fbe4526 878 case e1000_pch_lpt:
a4f58f54
BA		 879 mask |= (1 << 18);
880 break;
881 default:
882 break;
883 }
2fbe4526
BA		 884
885 if (mac->type == e1000_pch_lpt)
886 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
887 E1000_FWSM_WLOCK_MAC_SHIFT;
888
889 for (i = 0; i < mac->rar_entry_count; i++) {
a8fc1891
BA		 890 if (mac->type == e1000_pch_lpt) {
891 /* Cannot test write-protected SHRAL[n] registers */
892 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
893 continue;
894
895 /* SHRAH[9] different than the others */
896 if (i == 10)
897 mask |= (1 << 30);
898 else
899 mask &= ~(1 << 30);
900 }
2fbe4526 901
a8fc1891
BA		 902 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
903 0xFFFFFFFF);
2fbe4526 904 }
bc7f75fa
AK		 905
906 for (i = 0; i < mac->mta_reg_count; i++)
907 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
908
909 *data = 0;
2fbe4526 910
bc7f75fa
AK		 911 return 0;
912}
913
914static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
915{
916 u16 temp;
917 u16 checksum = 0;
918 u16 i;
919
920 *data = 0;
921 /* Read and add up the contents of the EEPROM */
922 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
923 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
924 *data = 1;
e243455d 925 return *data;
bc7f75fa
AK		 926 }
927 checksum += temp;
928 }
929
930 /* If Checksum is not Correct return error else test passed */
53aa82da 931 if ((checksum != (u16)NVM_SUM) && !(*data))
bc7f75fa
AK		 932 *data = 2;
933
934 return *data;
935}
936
8bb62869 937static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
bc7f75fa 938{
53aa82da 939 struct net_device *netdev = (struct net_device *)data;
bc7f75fa
AK		 940 struct e1000_adapter *adapter = netdev_priv(netdev);
941 struct e1000_hw *hw = &adapter->hw;
942
943 adapter->test_icr |= er32(ICR);
944
945 return IRQ_HANDLED;
946}
947
948static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
949{
950 struct net_device *netdev = adapter->netdev;
951 struct e1000_hw *hw = &adapter->hw;
952 u32 mask;
953 u32 shared_int = 1;
954 u32 irq = adapter->pdev->irq;
955 int i;
4662e82b
BA		 956 int ret_val = 0;
957 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 958
959 *data = 0;
960
4662e82b
BA		 961 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
962 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
963 int_mode = adapter->int_mode;
964 e1000e_reset_interrupt_capability(adapter);
965 adapter->int_mode = E1000E_INT_MODE_LEGACY;
966 e1000e_set_interrupt_capability(adapter);
967 }
bc7f75fa 968 /* Hook up test interrupt handler just for this test */
a0607fd3 969 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 970 netdev)) {
971 shared_int = 0;
17e813ec
BA		 972 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
973 netdev)) {
bc7f75fa 974 *data = 1;
4662e82b
BA		 975 ret_val = -1;
976 goto out;
bc7f75fa 977 }
44defeb3 978 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 979
980 /* Disable all the interrupts */
981 ew32(IMC, 0xFFFFFFFF);
945a5151 982 e1e_flush();
1bba4386 983 usleep_range(10000, 20000);
bc7f75fa
AK		 984
985 /* Test each interrupt */
986 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 987 /* Interrupt to test */
988 mask = 1 << i;
989
f4187b56
BA		 990 if (adapter->flags & FLAG_IS_ICH) {
991 switch (mask) {
992 case E1000_ICR_RXSEQ:
993 continue;
994 case 0x00000100:
995 if (adapter->hw.mac.type == e1000_ich8lan ||
996 adapter->hw.mac.type == e1000_ich9lan)
997 continue;
998 break;
999 default:
1000 break;
1001 }
1002 }
1003
bc7f75fa 1004 if (!shared_int) {
e921eb1a 1005 /* Disable the interrupt to be reported in
bc7f75fa
AK		 1006 * the cause register and then force the same
1007 * interrupt and see if one gets posted. If
1008 * an interrupt was posted to the bus, the
1009 * test failed.
1010 */
1011 adapter->test_icr = 0;
1012 ew32(IMC, mask);
1013 ew32(ICS, mask);
945a5151 1014 e1e_flush();
1bba4386 1015 usleep_range(10000, 20000);
bc7f75fa
AK		 1016
1017 if (adapter->test_icr & mask) {
1018 *data = 3;
1019 break;
1020 }
1021 }
1022
e921eb1a 1023 /* Enable the interrupt to be reported in
bc7f75fa
AK		 1024 * the cause register and then force the same
1025 * interrupt and see if one gets posted. If
1026 * an interrupt was not posted to the bus, the
1027 * test failed.
1028 */
1029 adapter->test_icr = 0;
1030 ew32(IMS, mask);
1031 ew32(ICS, mask);
945a5151 1032 e1e_flush();
1bba4386 1033 usleep_range(10000, 20000);
bc7f75fa
AK		 1034
1035 if (!(adapter->test_icr & mask)) {
1036 *data = 4;
1037 break;
1038 }
1039
1040 if (!shared_int) {
e921eb1a 1041 /* Disable the other interrupts to be reported in
bc7f75fa
AK		 1042 * the cause register and then force the other
1043 * interrupts and see if any get posted. If
1044 * an interrupt was posted to the bus, the
1045 * test failed.
1046 */
1047 adapter->test_icr = 0;
1048 ew32(IMC, ~mask & 0x00007FFF);
1049 ew32(ICS, ~mask & 0x00007FFF);
945a5151 1050 e1e_flush();
1bba4386 1051 usleep_range(10000, 20000);
bc7f75fa
AK		 1052
1053 if (adapter->test_icr) {
1054 *data = 5;
1055 break;
1056 }
1057 }
1058 }
1059
1060 /* Disable all the interrupts */
1061 ew32(IMC, 0xFFFFFFFF);
945a5151 1062 e1e_flush();
1bba4386 1063 usleep_range(10000, 20000);
bc7f75fa
AK		 1064
1065 /* Unhook test interrupt handler */
1066 free_irq(irq, netdev);
1067
4662e82b
BA		 1068out:
1069 if (int_mode == E1000E_INT_MODE_MSIX) {
1070 e1000e_reset_interrupt_capability(adapter);
1071 adapter->int_mode = int_mode;
1072 e1000e_set_interrupt_capability(adapter);
1073 }
1074
1075 return ret_val;
bc7f75fa
AK		 1076}
1077
1078static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1079{
1080 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1081 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1082 struct pci_dev *pdev = adapter->pdev;
17e813ec 1083 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1084 int i;
1085
1086 if (tx_ring->desc && tx_ring->buffer_info) {
1087 for (i = 0; i < tx_ring->count; i++) {
17e813ec
BA		 1088 buffer_info = &tx_ring->buffer_info[i];
1089
1090 if (buffer_info->dma)
0be3f55f 1091 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1092 buffer_info->dma,
1093 buffer_info->length,
1094 DMA_TO_DEVICE);
1095 if (buffer_info->skb)
1096 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1097 }
1098 }
1099
1100 if (rx_ring->desc && rx_ring->buffer_info) {
1101 for (i = 0; i < rx_ring->count; i++) {
17e813ec
BA		 1102 buffer_info = &rx_ring->buffer_info[i];
1103
1104 if (buffer_info->dma)
0be3f55f 1105 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1106 buffer_info->dma,
1107 2048, DMA_FROM_DEVICE);
1108 if (buffer_info->skb)
1109 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1110 }
1111 }
1112
1113 if (tx_ring->desc) {
1114 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1115 tx_ring->dma);
1116 tx_ring->desc = NULL;
1117 }
1118 if (rx_ring->desc) {
1119 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1120 rx_ring->dma);
1121 rx_ring->desc = NULL;
1122 }
1123
1124 kfree(tx_ring->buffer_info);
1125 tx_ring->buffer_info = NULL;
1126 kfree(rx_ring->buffer_info);
1127 rx_ring->buffer_info = NULL;
1128}
1129
1130static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1131{
1132 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1133 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1134 struct pci_dev *pdev = adapter->pdev;
1135 struct e1000_hw *hw = &adapter->hw;
1136 u32 rctl;
bc7f75fa
AK		 1137 int i;
1138 int ret_val;
1139
1140 /* Setup Tx descriptor ring and Tx buffers */
1141
1142 if (!tx_ring->count)
1143 tx_ring->count = E1000_DEFAULT_TXD;
1144
cef8c793
BA		 1145 tx_ring->buffer_info = kcalloc(tx_ring->count,
1146 sizeof(struct e1000_buffer),
1147 GFP_KERNEL);
668018d7 1148 if (!tx_ring->buffer_info) {
bc7f75fa
AK		 1149 ret_val = 1;
1150 goto err_nomem;
1151 }
bc7f75fa
AK		 1152
1153 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1154 tx_ring->size = ALIGN(tx_ring->size, 4096);
1155 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1156 &tx_ring->dma, GFP_KERNEL);
1157 if (!tx_ring->desc) {
1158 ret_val = 2;
1159 goto err_nomem;
1160 }
bc7f75fa
AK		 1161 tx_ring->next_to_use = 0;
1162 tx_ring->next_to_clean = 0;
1163
53aa82da
BA		 1164 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1165 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1e36052e
BA		 1166 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1167 ew32(TDH(0), 0);
1168 ew32(TDT(0), 0);
cef8c793
BA		 1169 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1170 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1171 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1172
1173 for (i = 0; i < tx_ring->count; i++) {
1174 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1175 struct sk_buff *skb;
1176 unsigned int skb_size = 1024;
1177
1178 skb = alloc_skb(skb_size, GFP_KERNEL);
1179 if (!skb) {
1180 ret_val = 3;
1181 goto err_nomem;
1182 }
1183 skb_put(skb, skb_size);
1184 tx_ring->buffer_info[i].skb = skb;
1185 tx_ring->buffer_info[i].length = skb->len;
1186 tx_ring->buffer_info[i].dma =
f0ff4398
BA		 1187 dma_map_single(&pdev->dev, skb->data, skb->len,
1188 DMA_TO_DEVICE);
0be3f55f
NN		 1189 if (dma_mapping_error(&pdev->dev,
1190 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1191 ret_val = 4;
1192 goto err_nomem;
1193 }
cef8c793 1194 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1195 tx_desc->lower.data = cpu_to_le32(skb->len);
1196 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1197 E1000_TXD_CMD_IFCS |
cef8c793 1198 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1199 tx_desc->upper.data = 0;
1200 }
1201
1202 /* Setup Rx descriptor ring and Rx buffers */
1203
1204 if (!rx_ring->count)
1205 rx_ring->count = E1000_DEFAULT_RXD;
1206
cef8c793
BA		 1207 rx_ring->buffer_info = kcalloc(rx_ring->count,
1208 sizeof(struct e1000_buffer),
1209 GFP_KERNEL);
668018d7 1210 if (!rx_ring->buffer_info) {
bc7f75fa
AK		 1211 ret_val = 5;
1212 goto err_nomem;
1213 }
bc7f75fa 1214
5f450212 1215 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
bc7f75fa
AK		 1216 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1217 &rx_ring->dma, GFP_KERNEL);
1218 if (!rx_ring->desc) {
1219 ret_val = 6;
1220 goto err_nomem;
1221 }
bc7f75fa
AK		 1222 rx_ring->next_to_use = 0;
1223 rx_ring->next_to_clean = 0;
1224
1225 rctl = er32(RCTL);
7f99ae63
BA		 1226 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1227 ew32(RCTL, rctl & ~E1000_RCTL_EN);
53aa82da
BA		 1228 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1229 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1e36052e
BA		 1230 ew32(RDLEN(0), rx_ring->size);
1231 ew32(RDH(0), 0);
1232 ew32(RDT(0), 0);
bc7f75fa 1233 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
f0ff4398
BA		 1234 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1235 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1236 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1237 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
bc7f75fa
AK		 1238 ew32(RCTL, rctl);
1239
1240 for (i = 0; i < rx_ring->count; i++) {
5f450212 1241 union e1000_rx_desc_extended *rx_desc;
bc7f75fa
AK		 1242 struct sk_buff *skb;
1243
1244 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1245 if (!skb) {
1246 ret_val = 7;
1247 goto err_nomem;
1248 }
1249 skb_reserve(skb, NET_IP_ALIGN);
1250 rx_ring->buffer_info[i].skb = skb;
1251 rx_ring->buffer_info[i].dma =
f0ff4398
BA		 1252 dma_map_single(&pdev->dev, skb->data, 2048,
1253 DMA_FROM_DEVICE);
0be3f55f
NN		 1254 if (dma_mapping_error(&pdev->dev,
1255 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1256 ret_val = 8;
1257 goto err_nomem;
1258 }
5f450212
BA		 1259 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1260 rx_desc->read.buffer_addr =
1261 cpu_to_le64(rx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1262 memset(skb->data, 0x00, skb->len);
1263 }
1264
1265 return 0;
1266
1267err_nomem:
1268 e1000_free_desc_rings(adapter);
1269 return ret_val;
1270}
1271
1272static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1273{
1274 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1275 e1e_wphy(&adapter->hw, 29, 0x001F);
1276 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1277 e1e_wphy(&adapter->hw, 29, 0x001A);
1278 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1279}
1280
1281static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1282{
1283 struct e1000_hw *hw = &adapter->hw;
1284 u32 ctrl_reg = 0;
97ac8cae 1285 u16 phy_reg = 0;
cbd006cb 1286 s32 ret_val = 0;
bc7f75fa 1287
318a94d6 1288 hw->mac.autoneg = 0;
bc7f75fa 1289
3af50481 1290 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa 1291 /* force 100, set loopback */
c2ade1a4 1292 e1e_wphy(hw, MII_BMCR, 0x6100);
bc7f75fa
AK		 1293
1294 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1295 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1296 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1297 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1298 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1299 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1300 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1301
1302 ew32(CTRL, ctrl_reg);
945a5151 1303 e1e_flush();
3af50481
BA		 1304 udelay(500);
1305
1306 return 0;
1307 }
1308
1309 /* Specific PHY configuration for loopback */
1310 switch (hw->phy.type) {
1311 case e1000_phy_m88:
1312 /* Auto-MDI/MDIX Off */
1313 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1314 /* reset to update Auto-MDI/MDIX */
c2ade1a4 1315 e1e_wphy(hw, MII_BMCR, 0x9140);
3af50481 1316 /* autoneg off */
c2ade1a4 1317 e1e_wphy(hw, MII_BMCR, 0x8140);
3af50481
BA		 1318 break;
1319 case e1000_phy_gg82563:
1320 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1321 break;
97ac8cae
BA		 1322 case e1000_phy_bm:
1323 /* Set Default MAC Interface speed to 1GB */
1324 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1325 phy_reg &= ~0x0007;
1326 phy_reg |= 0x006;
1327 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1328 /* Assert SW reset for above settings to take effect */
6b598e1e 1329 hw->phy.ops.commit(hw);
97ac8cae
BA		 1330 mdelay(1);
1331 /* Force Full Duplex */
1332 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1333 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1334 /* Set Link Up (in force link) */
1335 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1336 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1337 /* Force Link */
1338 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1339 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1340 /* Set Early Link Enable */
1341 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1342 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1343 break;
1344 case e1000_phy_82577:
1345 case e1000_phy_82578:
1346 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1347 ret_val = hw->phy.ops.acquire(hw);
1348 if (ret_val) {
1349 e_err("Cannot setup 1Gbps loopback.\n");
1350 return ret_val;
1351 }
3af50481 1352 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1353 hw->phy.ops.release(hw);
3af50481 1354 break;
d3738bb8
BA		 1355 case e1000_phy_82579:
1356 /* Disable PHY energy detect power down */
1357 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1358 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1359 /* Disable full chip energy detect */
1360 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1361 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1362 /* Enable loopback on the PHY */
d3738bb8
BA		 1363 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1364 break;
cef8c793 1365 default:
3af50481
BA		 1366 break;
1367 }
bc7f75fa 1368
3af50481 1369 /* force 1000, set loopback */
c2ade1a4 1370 e1e_wphy(hw, MII_BMCR, 0x4140);
3af50481 1371 mdelay(250);
cef8c793 1372
3af50481
BA		 1373 /* Now set up the MAC to the same speed/duplex as the PHY. */
1374 ctrl_reg = er32(CTRL);
1375 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1376 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1377 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1378 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1379 E1000_CTRL_FD); /* Force Duplex to FULL */
1380
1381 if (adapter->flags & FLAG_IS_ICH)
1382 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1383
318a94d6
JK		 1384 if (hw->phy.media_type == e1000_media_type_copper &&
1385 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1386 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1387 } else {
e921eb1a 1388 /* Set the ILOS bit on the fiber Nic if half duplex link is
ad68076e
BA		 1389 * detected.
1390 */
90da0669 1391 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
bc7f75fa
AK		 1392 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1393 }
1394
1395 ew32(CTRL, ctrl_reg);
1396
e921eb1a 1397 /* Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1398 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1399 */
318a94d6 1400 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1401 e1000_phy_disable_receiver(adapter);
1402
1403 udelay(500);
1404
1405 return 0;
1406}
1407
1408static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1409{
1410 struct e1000_hw *hw = &adapter->hw;
1411 u32 ctrl = er32(CTRL);
70806a7f 1412 int link;
bc7f75fa
AK		 1413
1414 /* special requirements for 82571/82572 fiber adapters */
1415
e921eb1a 1416 /* jump through hoops to make sure link is up because serdes
ad68076e
BA		 1417 * link is hardwired up
1418 */
bc7f75fa
AK		 1419 ctrl |= E1000_CTRL_SLU;
1420 ew32(CTRL, ctrl);
1421
1422 /* disable autoneg */
1423 ctrl = er32(TXCW);
1424 ctrl &= ~(1 << 31);
1425 ew32(TXCW, ctrl);
1426
1427 link = (er32(STATUS) & E1000_STATUS_LU);
1428
1429 if (!link) {
1430 /* set invert loss of signal */
1431 ctrl = er32(CTRL);
1432 ctrl |= E1000_CTRL_ILOS;
1433 ew32(CTRL, ctrl);
1434 }
1435
e921eb1a 1436 /* special write to serdes control register to enable SerDes analog
ad68076e
BA		 1437 * loopback
1438 */
bc7f75fa
AK		 1439#define E1000_SERDES_LB_ON 0x410
1440 ew32(SCTL, E1000_SERDES_LB_ON);
945a5151 1441 e1e_flush();
1bba4386 1442 usleep_range(10000, 20000);
bc7f75fa
AK		 1443
1444 return 0;
1445}
1446
1447/* only call this for fiber/serdes connections to es2lan */
1448static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1449{
1450 struct e1000_hw *hw = &adapter->hw;
1451 u32 ctrlext = er32(CTRL_EXT);
1452 u32 ctrl = er32(CTRL);
1453
e921eb1a 1454 /* save CTRL_EXT to restore later, reuse an empty variable (unused
ad68076e
BA		 1455 * on mac_type 80003es2lan)
1456 */
bc7f75fa
AK		 1457 adapter->tx_fifo_head = ctrlext;
1458
1459 /* clear the serdes mode bits, putting the device into mac loopback */
1460 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1461 ew32(CTRL_EXT, ctrlext);
1462
1463 /* force speed to 1000/FD, link up */
1464 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1465 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1466 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1467 ew32(CTRL, ctrl);
1468
1469 /* set mac loopback */
1470 ctrl = er32(RCTL);
1471 ctrl |= E1000_RCTL_LBM_MAC;
1472 ew32(RCTL, ctrl);
1473
1474 /* set testing mode parameters (no need to reset later) */
1475#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1476#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1477 ew32(KMRNCTRLSTA,
cef8c793 1478 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1479
1480 return 0;
1481}
1482
1483static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1484{
1485 struct e1000_hw *hw = &adapter->hw;
1486 u32 rctl;
1487
318a94d6
JK		 1488 if (hw->phy.media_type == e1000_media_type_fiber ||
1489 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1490 switch (hw->mac.type) {
1491 case e1000_80003es2lan:
1492 return e1000_set_es2lan_mac_loopback(adapter);
1493 break;
1494 case e1000_82571:
1495 case e1000_82572:
1496 return e1000_set_82571_fiber_loopback(adapter);
1497 break;
1498 default:
1499 rctl = er32(RCTL);
1500 rctl |= E1000_RCTL_LBM_TCVR;
1501 ew32(RCTL, rctl);
1502 return 0;
1503 }
318a94d6 1504 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1505 return e1000_integrated_phy_loopback(adapter);
1506 }
1507
1508 return 7;
1509}
1510
1511static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1512{
1513 struct e1000_hw *hw = &adapter->hw;
1514 u32 rctl;
1515 u16 phy_reg;
1516
1517 rctl = er32(RCTL);
1518 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1519 ew32(RCTL, rctl);
1520
1521 switch (hw->mac.type) {
1522 case e1000_80003es2lan:
318a94d6
JK		 1523 if (hw->phy.media_type == e1000_media_type_fiber ||
1524 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1525 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1526 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1527 adapter->tx_fifo_head = 0;
1528 }
1529 /* fall through */
1530 case e1000_82571:
1531 case e1000_82572:
318a94d6
JK		 1532 if (hw->phy.media_type == e1000_media_type_fiber ||
1533 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1534#define E1000_SERDES_LB_OFF 0x400
1535 ew32(SCTL, E1000_SERDES_LB_OFF);
945a5151 1536 e1e_flush();
1bba4386 1537 usleep_range(10000, 20000);
bc7f75fa
AK		 1538 break;
1539 }
1540 /* Fall Through */
1541 default:
1542 hw->mac.autoneg = 1;
1543 if (hw->phy.type == e1000_phy_gg82563)
1544 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
c2ade1a4
BA		 1545 e1e_rphy(hw, MII_BMCR, &phy_reg);
1546 if (phy_reg & BMCR_LOOPBACK) {
1547 phy_reg &= ~BMCR_LOOPBACK;
1548 e1e_wphy(hw, MII_BMCR, phy_reg);
6b598e1e
BA		 1549 if (hw->phy.ops.commit)
1550 hw->phy.ops.commit(hw);
bc7f75fa
AK		 1551 }
1552 break;
1553 }
1554}
1555
1556static void e1000_create_lbtest_frame(struct sk_buff *skb,
1557 unsigned int frame_size)
1558{
1559 memset(skb->data, 0xFF, frame_size);
1560 frame_size &= ~1;
1561 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1562 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1563 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1564}
1565
1566static int e1000_check_lbtest_frame(struct sk_buff *skb,
1567 unsigned int frame_size)
1568{
1569 frame_size &= ~1;
1570 if (*(skb->data + 3) == 0xFF)
1571 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
17e813ec 1572 (*(skb->data + frame_size / 2 + 12) == 0xAF))
bc7f75fa
AK		 1573 return 0;
1574 return 13;
1575}
1576
1577static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1578{
1579 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1580 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1581 struct pci_dev *pdev = adapter->pdev;
1582 struct e1000_hw *hw = &adapter->hw;
17e813ec 1583 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1584 int i, j, k, l;
1585 int lc;
1586 int good_cnt;
1587 int ret_val = 0;
1588 unsigned long time;
1589
1e36052e 1590 ew32(RDT(0), rx_ring->count - 1);
bc7f75fa 1591
e921eb1a 1592 /* Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1593 * The idea is to wrap the largest ring a number of times using 64
1594 * send/receive pairs during each loop
1595 */
1596
1597 if (rx_ring->count <= tx_ring->count)
1598 lc = ((tx_ring->count / 64) * 2) + 1;
1599 else
1600 lc = ((rx_ring->count / 64) * 2) + 1;
1601
1602 k = 0;
1603 l = 0;
33550cec
BA		 1604 /* loop count loop */
1605 for (j = 0; j <= lc; j++) {
1606 /* send the packets */
1607 for (i = 0; i < 64; i++) {
17e813ec
BA		 1608 buffer_info = &tx_ring->buffer_info[k];
1609
1610 e1000_create_lbtest_frame(buffer_info->skb, 1024);
0be3f55f 1611 dma_sync_single_for_device(&pdev->dev,
17e813ec
BA		 1612 buffer_info->dma,
1613 buffer_info->length,
1614 DMA_TO_DEVICE);
bc7f75fa
AK		 1615 k++;
1616 if (k == tx_ring->count)
1617 k = 0;
1618 }
1e36052e 1619 ew32(TDT(0), k);
945a5151 1620 e1e_flush();
bc7f75fa
AK		 1621 msleep(200);
1622 time = jiffies; /* set the start time for the receive */
1623 good_cnt = 0;
33550cec
BA		 1624 /* receive the sent packets */
1625 do {
17e813ec
BA		 1626 buffer_info = &rx_ring->buffer_info[l];
1627
0be3f55f 1628 dma_sync_single_for_cpu(&pdev->dev,
17e813ec
BA		 1629 buffer_info->dma, 2048,
1630 DMA_FROM_DEVICE);
bc7f75fa 1631
17e813ec
BA		 1632 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1633 1024);
bc7f75fa
AK		 1634 if (!ret_val)
1635 good_cnt++;
1636 l++;
1637 if (l == rx_ring->count)
1638 l = 0;
e921eb1a 1639 /* time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1640 * enough time to complete the receives, if it's
1641 * exceeded, break and error off
1642 */
1643 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1644 if (good_cnt != 64) {
1645 ret_val = 13; /* ret_val is the same as mis-compare */
1646 break;
1647 }
cef8c793 1648 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1649 ret_val = 14; /* error code for time out error */
1650 break;
1651 }
33550cec 1652 }
bc7f75fa
AK		 1653 return ret_val;
1654}
1655
1656static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1657{
44abd5c1
BA		 1658 struct e1000_hw *hw = &adapter->hw;
1659
e921eb1a 1660 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
470a5420
BA		 1661 if (hw->phy.ops.check_reset_block &&
1662 hw->phy.ops.check_reset_block(hw)) {
44defeb3 1663 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1664 *data = 0;
1665 goto out;
1666 }
1667
1668 *data = e1000_setup_desc_rings(adapter);
e265522c 1669 if (*data)
bc7f75fa
AK		 1670 goto out;
1671
1672 *data = e1000_setup_loopback_test(adapter);
e265522c 1673 if (*data)
bc7f75fa
AK		 1674 goto err_loopback;
1675
1676 *data = e1000_run_loopback_test(adapter);
1677 e1000_loopback_cleanup(adapter);
1678
1679err_loopback:
1680 e1000_free_desc_rings(adapter);
1681out:
1682 return *data;
1683}
1684
1685static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1686{
1687 struct e1000_hw *hw = &adapter->hw;
1688
1689 *data = 0;
318a94d6 1690 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1691 int i = 0;
612e244c 1692 hw->mac.serdes_has_link = false;
bc7f75fa 1693
e921eb1a 1694 /* On some blade server designs, link establishment
ad68076e
BA		 1695 * could take as long as 2-3 minutes
1696 */
bc7f75fa
AK		 1697 do {
1698 hw->mac.ops.check_for_link(hw);
1699 if (hw->mac.serdes_has_link)
1700 return *data;
1701 msleep(20);
1702 } while (i++ < 3750);
1703
1704 *data = 1;
1705 } else {
1706 hw->mac.ops.check_for_link(hw);
1707 if (hw->mac.autoneg)
e921eb1a 1708 /* On some Phy/switch combinations, link establishment
5661aeb0
BA		 1709 * can take a few seconds more than expected.
1710 */
1711 msleep(5000);
bc7f75fa 1712
5661aeb0 1713 if (!(er32(STATUS) & E1000_STATUS_LU))
bc7f75fa
AK		 1714 *data = 1;
1715 }
1716 return *data;
1717}
1718
8bb62869
BA		 1719static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1720 int sset)
bc7f75fa 1721{
b9f2c044
JG		 1722 switch (sset) {
1723 case ETH_SS_TEST:
1724 return E1000_TEST_LEN;
1725 case ETH_SS_STATS:
1726 return E1000_STATS_LEN;
1727 default:
1728 return -EOPNOTSUPP;
1729 }
bc7f75fa
AK		 1730}
1731
1732static void e1000_diag_test(struct net_device *netdev,
1733 struct ethtool_test *eth_test, u64 *data)
1734{
1735 struct e1000_adapter *adapter = netdev_priv(netdev);
1736 u16 autoneg_advertised;
1737 u8 forced_speed_duplex;
1738 u8 autoneg;
1739 bool if_running = netif_running(netdev);
1740
1741 set_bit(__E1000_TESTING, &adapter->state);
31dbe5b4
BA		 1742
1743 if (!if_running) {
1744 /* Get control of and reset hardware */
1745 if (adapter->flags & FLAG_HAS_AMT)
1746 e1000e_get_hw_control(adapter);
1747
1748 e1000e_power_up_phy(adapter);
1749
1750 adapter->hw.phy.autoneg_wait_to_complete = 1;
1751 e1000e_reset(adapter);
1752 adapter->hw.phy.autoneg_wait_to_complete = 0;
1753 }
1754
bc7f75fa
AK		 1755 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1756 /* Offline tests */
1757
1758 /* save speed, duplex, autoneg settings */
1759 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1760 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1761 autoneg = adapter->hw.mac.autoneg;
1762
44defeb3 1763 e_info("offline testing starting\n");
bc7f75fa 1764
bc7f75fa
AK		 1765 if (if_running)
1766 /* indicate we're in test mode */
1767 dev_close(netdev);
bc7f75fa
AK		 1768
1769 if (e1000_reg_test(adapter, &data[0]))
1770 eth_test->flags |= ETH_TEST_FL_FAILED;
1771
1772 e1000e_reset(adapter);
1773 if (e1000_eeprom_test(adapter, &data[1]))
1774 eth_test->flags |= ETH_TEST_FL_FAILED;
1775
1776 e1000e_reset(adapter);
1777 if (e1000_intr_test(adapter, &data[2]))
1778 eth_test->flags |= ETH_TEST_FL_FAILED;
1779
1780 e1000e_reset(adapter);
bc7f75fa
AK		 1781 if (e1000_loopback_test(adapter, &data[3]))
1782 eth_test->flags |= ETH_TEST_FL_FAILED;
1783
c6ce3854
CW		 1784 /* force this routine to wait until autoneg complete/timeout */
1785 adapter->hw.phy.autoneg_wait_to_complete = 1;
1786 e1000e_reset(adapter);
1787 adapter->hw.phy.autoneg_wait_to_complete = 0;
1788
1789 if (e1000_link_test(adapter, &data[4]))
1790 eth_test->flags |= ETH_TEST_FL_FAILED;
1791
bc7f75fa
AK		 1792 /* restore speed, duplex, autoneg settings */
1793 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1794 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1795 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1796 e1000e_reset(adapter);
bc7f75fa
AK		 1797
1798 clear_bit(__E1000_TESTING, &adapter->state);
1799 if (if_running)
1800 dev_open(netdev);
1801 } else {
31dbe5b4 1802 /* Online tests */
11b08be8 1803
44defeb3 1804 e_info("online testing starting\n");
bc7f75fa 1805
31dbe5b4 1806 /* register, eeprom, intr and loopback tests not run online */
bc7f75fa
AK		 1807 data[0] = 0;
1808 data[1] = 0;
1809 data[2] = 0;
1810 data[3] = 0;
1811
31dbe5b4
BA		 1812 if (e1000_link_test(adapter, &data[4]))
1813 eth_test->flags |= ETH_TEST_FL_FAILED;
11b08be8 1814
bc7f75fa
AK		 1815 clear_bit(__E1000_TESTING, &adapter->state);
1816 }
31dbe5b4
BA		 1817
1818 if (!if_running) {
1819 e1000e_reset(adapter);
1820
1821 if (adapter->flags & FLAG_HAS_AMT)
1822 e1000e_release_hw_control(adapter);
1823 }
1824
bc7f75fa
AK		 1825 msleep_interruptible(4 * 1000);
1826}
1827
1828static void e1000_get_wol(struct net_device *netdev,
1829 struct ethtool_wolinfo *wol)
1830{
1831 struct e1000_adapter *adapter = netdev_priv(netdev);
1832
1833 wol->supported = 0;
1834 wol->wolopts = 0;
1835
6ff68026
RW		 1836 if (!(adapter->flags & FLAG_HAS_WOL) ||
1837 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1838 return;
1839
1840 wol->supported = WAKE_UCAST | WAKE_MCAST |
4a29e155 1841 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
bc7f75fa
AK		 1842
1843 /* apply any specific unsupported masks here */
1844 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1845 wol->supported &= ~WAKE_UCAST;
1846
1847 if (adapter->wol & E1000_WUFC_EX)
6ad65145 1848 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
bc7f75fa
AK		 1849 }
1850
1851 if (adapter->wol & E1000_WUFC_EX)
1852 wol->wolopts |= WAKE_UCAST;
1853 if (adapter->wol & E1000_WUFC_MC)
1854 wol->wolopts |= WAKE_MCAST;
1855 if (adapter->wol & E1000_WUFC_BC)
1856 wol->wolopts |= WAKE_BCAST;
1857 if (adapter->wol & E1000_WUFC_MAG)
1858 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1859 if (adapter->wol & E1000_WUFC_LNKC)
1860 wol->wolopts |= WAKE_PHY;
bc7f75fa
AK		 1861}
1862
4a29e155 1863static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
bc7f75fa
AK		 1864{
1865 struct e1000_adapter *adapter = netdev_priv(netdev);
1866
6ff68026 1867 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1868 !device_can_wakeup(&adapter->pdev->dev) ||
1869 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
4a29e155 1870 WAKE_MAGIC | WAKE_PHY)))
1fbfca32 1871 return -EOPNOTSUPP;
bc7f75fa
AK		 1872
1873 /* these settings will always override what we currently have */
1874 adapter->wol = 0;
1875
1876 if (wol->wolopts & WAKE_UCAST)
1877 adapter->wol |= E1000_WUFC_EX;
1878 if (wol->wolopts & WAKE_MCAST)
1879 adapter->wol |= E1000_WUFC_MC;
1880 if (wol->wolopts & WAKE_BCAST)
1881 adapter->wol |= E1000_WUFC_BC;
1882 if (wol->wolopts & WAKE_MAGIC)
1883 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1884 if (wol->wolopts & WAKE_PHY)
1885 adapter->wol |= E1000_WUFC_LNKC;
bc7f75fa 1886
6ff68026
RW		 1887 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1888
bc7f75fa
AK		 1889 return 0;
1890}
1891
dbf80dcb
BA		 1892static int e1000_set_phys_id(struct net_device *netdev,
1893 enum ethtool_phys_id_state state)
bc7f75fa
AK		 1894{
1895 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1896 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1897
dbf80dcb
BA		 1898 switch (state) {
1899 case ETHTOOL_ID_ACTIVE:
1900 if (!hw->mac.ops.blink_led)
1901 return 2; /* cycle on/off twice per second */
bc7f75fa 1902
dbf80dcb
BA		 1903 hw->mac.ops.blink_led(hw);
1904 break;
1905
1906 case ETHTOOL_ID_INACTIVE:
4662e82b
BA		 1907 if (hw->phy.type == e1000_phy_ife)
1908 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
dbf80dcb
BA		 1909 hw->mac.ops.led_off(hw);
1910 hw->mac.ops.cleanup_led(hw);
1911 break;
bc7f75fa 1912
dbf80dcb 1913 case ETHTOOL_ID_ON:
f23efdff 1914 hw->mac.ops.led_on(hw);
dbf80dcb 1915 break;
bc7f75fa 1916
dbf80dcb 1917 case ETHTOOL_ID_OFF:
f23efdff 1918 hw->mac.ops.led_off(hw);
dbf80dcb
BA		 1919 break;
1920 }
bc7f75fa
AK		 1921 return 0;
1922}
1923
de5b3077
AK		 1924static int e1000_get_coalesce(struct net_device *netdev,
1925 struct ethtool_coalesce *ec)
1926{
1927 struct e1000_adapter *adapter = netdev_priv(netdev);
1928
eab2abf5 1929 if (adapter->itr_setting <= 4)
de5b3077
AK		 1930 ec->rx_coalesce_usecs = adapter->itr_setting;
1931 else
1932 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1933
1934 return 0;
1935}
1936
1937static int e1000_set_coalesce(struct net_device *netdev,
1938 struct ethtool_coalesce *ec)
1939{
1940 struct e1000_adapter *adapter = netdev_priv(netdev);
de5b3077
AK		 1941
1942 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1943 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1944 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1945 (ec->rx_coalesce_usecs == 2))
1946 return -EINVAL;
1947
eab2abf5 1948 if (ec->rx_coalesce_usecs == 4) {
06a402ef
BA		 1949 adapter->itr_setting = 4;
1950 adapter->itr = adapter->itr_setting;
eab2abf5 1951 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1952 adapter->itr = 20000;
1953 adapter->itr_setting = ec->rx_coalesce_usecs;
1954 } else {
1955 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1956 adapter->itr_setting = adapter->itr & ~3;
1957 }
1958
1959 if (adapter->itr_setting != 0)
22a4cca2 1960 e1000e_write_itr(adapter, adapter->itr);
de5b3077 1961 else
22a4cca2 1962 e1000e_write_itr(adapter, 0);
de5b3077
AK		 1963
1964 return 0;
1965}
1966
bc7f75fa
AK		 1967static int e1000_nway_reset(struct net_device *netdev)
1968{
1969 struct e1000_adapter *adapter = netdev_priv(netdev);
5962bc21
BA		 1970
1971 if (!netif_running(netdev))
1972 return -EAGAIN;
1973
1974 if (!adapter->hw.mac.autoneg)
1975 return -EINVAL;
1976
1977 e1000e_reinit_locked(adapter);
1978
bc7f75fa
AK		 1979 return 0;
1980}
1981
bc7f75fa 1982static void e1000_get_ethtool_stats(struct net_device *netdev,
8bb62869 1983 struct ethtool_stats __always_unused *stats,
bc7f75fa
AK		 1984 u64 *data)
1985{
1986 struct e1000_adapter *adapter = netdev_priv(netdev);
67fd4fcb 1987 struct rtnl_link_stats64 net_stats;
bc7f75fa 1988 int i;
e0f36a95 1989 char *p = NULL;
bc7f75fa 1990
67fd4fcb 1991 e1000e_get_stats64(netdev, &net_stats);
bc7f75fa 1992 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1993 switch (e1000_gstrings_stats[i].type) {
1994 case NETDEV_STATS:
53aa82da 1995 p = (char *)&net_stats +
f0ff4398 1996 e1000_gstrings_stats[i].stat_offset;
e0f36a95
AK		 1997 break;
1998 case E1000_STATS:
53aa82da 1999 p = (char *)adapter +
f0ff4398 2000 e1000_gstrings_stats[i].stat_offset;
e0f36a95 2001 break;
61c75816
BA		 2002 default:
2003 data[i] = 0;
2004 continue;
e0f36a95
AK		 2005 }
2006
bc7f75fa 2007 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
f0ff4398 2008 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
bc7f75fa
AK		 2009 }
2010}
2011
8bb62869
BA		 2012static void e1000_get_strings(struct net_device __always_unused *netdev,
2013 u32 stringset, u8 *data)
bc7f75fa
AK		 2014{
2015 u8 *p = data;
2016 int i;
2017
2018 switch (stringset) {
2019 case ETH_SS_TEST:
5c1bda0a 2020 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2021 break;
2022 case ETH_SS_STATS:
2023 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2024 memcpy(p, e1000_gstrings_stats[i].stat_string,
2025 ETH_GSTRING_LEN);
2026 p += ETH_GSTRING_LEN;
2027 }
2028 break;
2029 }
2030}
2031
70495a50 2032static int e1000_get_rxnfc(struct net_device *netdev,
8bb62869
BA		 2033 struct ethtool_rxnfc *info,
2034 u32 __always_unused *rule_locs)
70495a50
BA		 2035{
2036 info->data = 0;
2037
2038 switch (info->cmd) {
2039 case ETHTOOL_GRXFH: {
2040 struct e1000_adapter *adapter = netdev_priv(netdev);
2041 struct e1000_hw *hw = &adapter->hw;
2042 u32 mrqc = er32(MRQC);
2043
2044 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2045 return 0;
2046
2047 switch (info->flow_type) {
2048 case TCP_V4_FLOW:
2049 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2050 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2051 /* fall through */
2052 case UDP_V4_FLOW:
2053 case SCTP_V4_FLOW:
2054 case AH_ESP_V4_FLOW:
2055 case IPV4_FLOW:
2056 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2057 info->data |= RXH_IP_SRC | RXH_IP_DST;
2058 break;
2059 case TCP_V6_FLOW:
2060 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2061 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2062 /* fall through */
2063 case UDP_V6_FLOW:
2064 case SCTP_V6_FLOW:
2065 case AH_ESP_V6_FLOW:
2066 case IPV6_FLOW:
2067 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2068 info->data |= RXH_IP_SRC | RXH_IP_DST;
2069 break;
2070 default:
2071 break;
2072 }
2073 return 0;
2074 }
2075 default:
2076 return -EOPNOTSUPP;
2077 }
2078}
2079
203e4151
BA		 2080static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2081{
2082 struct e1000_adapter *adapter = netdev_priv(netdev);
2083 struct e1000_hw *hw = &adapter->hw;
2084 u16 cap_addr, adv_addr, lpa_addr, pcs_stat_addr, phy_data, lpi_ctrl;
2085 u32 status, ret_val;
2086
2087 if (!(adapter->flags & FLAG_IS_ICH) ||
2088 !(adapter->flags2 & FLAG2_HAS_EEE))
2089 return -EOPNOTSUPP;
2090
2091 switch (hw->phy.type) {
2092 case e1000_phy_82579:
2093 cap_addr = I82579_EEE_CAPABILITY;
2094 adv_addr = I82579_EEE_ADVERTISEMENT;
2095 lpa_addr = I82579_EEE_LP_ABILITY;
2096 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2097 break;
2098 case e1000_phy_i217:
2099 cap_addr = I217_EEE_CAPABILITY;
2100 adv_addr = I217_EEE_ADVERTISEMENT;
2101 lpa_addr = I217_EEE_LP_ABILITY;
2102 pcs_stat_addr = I217_EEE_PCS_STATUS;
2103 break;
2104 default:
2105 return -EOPNOTSUPP;
2106 }
2107
2108 ret_val = hw->phy.ops.acquire(hw);
2109 if (ret_val)
2110 return -EBUSY;
2111
2112 /* EEE Capability */
2113 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2114 if (ret_val)
2115 goto release;
2116 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2117
2118 /* EEE Advertised */
2119 ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &phy_data);
2120 if (ret_val)
2121 goto release;
2122 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2123
2124 /* EEE Link Partner Advertised */
2125 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2126 if (ret_val)
2127 goto release;
2128 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2129
2130 /* EEE PCS Status */
2131 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2132 if (hw->phy.type == e1000_phy_82579)
2133 phy_data <<= 8;
2134
2135release:
2136 hw->phy.ops.release(hw);
2137 if (ret_val)
2138 return -ENODATA;
2139
2140 e1e_rphy(hw, I82579_LPI_CTRL, &lpi_ctrl);
2141 status = er32(STATUS);
2142
2143 /* Result of the EEE auto negotiation - there is no register that
2144 * has the status of the EEE negotiation so do a best-guess based
2145 * on whether both Tx and Rx LPI indications have been received or
2146 * base it on the link speed, the EEE advertised speeds on both ends
2147 * and the speeds on which EEE is enabled locally.
2148 */
2149 if (((phy_data & E1000_EEE_TX_LPI_RCVD) &&
2150 (phy_data & E1000_EEE_RX_LPI_RCVD)) ||
2151 ((status & E1000_STATUS_SPEED_100) &&
2152 (edata->advertised & ADVERTISED_100baseT_Full) &&
2153 (edata->lp_advertised & ADVERTISED_100baseT_Full) &&
2154 (lpi_ctrl & I82579_LPI_CTRL_100_ENABLE)) ||
2155 ((status & E1000_STATUS_SPEED_1000) &&
2156 (edata->advertised & ADVERTISED_1000baseT_Full) &&
2157 (edata->lp_advertised & ADVERTISED_1000baseT_Full) &&
2158 (lpi_ctrl & I82579_LPI_CTRL_1000_ENABLE)))
2159 edata->eee_active = true;
2160
2161 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2162 edata->tx_lpi_enabled = true;
2163 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2164
2165 return 0;
2166}
2167
2168static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2169{
2170 struct e1000_adapter *adapter = netdev_priv(netdev);
2171 struct e1000_hw *hw = &adapter->hw;
2172 struct ethtool_eee eee_curr;
2173 s32 ret_val;
2174
2175 if (!(adapter->flags & FLAG_IS_ICH) ||
2176 !(adapter->flags2 & FLAG2_HAS_EEE))
2177 return -EOPNOTSUPP;
2178
2179 ret_val = e1000e_get_eee(netdev, &eee_curr);
2180 if (ret_val)
2181 return ret_val;
2182
2183 if (eee_curr.advertised != edata->advertised) {
2184 e_err("Setting EEE advertisement is not supported\n");
2185 return -EINVAL;
2186 }
2187
2188 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2189 e_err("Setting EEE tx-lpi is not supported\n");
2190 return -EINVAL;
2191 }
2192
2193 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2194 e_err("Setting EEE Tx LPI timer is not supported\n");
2195 return -EINVAL;
2196 }
2197
2198 if (hw->dev_spec.ich8lan.eee_disable != !edata->eee_enabled) {
2199 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2200
2201 /* reset the link */
2202 if (netif_running(netdev))
2203 e1000e_reinit_locked(adapter);
2204 else
2205 e1000e_reset(adapter);
2206 }
2207
2208 return 0;
2209}
2210
b67e1913
BA		 2211static int e1000e_get_ts_info(struct net_device *netdev,
2212 struct ethtool_ts_info *info)
2213{
2214 struct e1000_adapter *adapter = netdev_priv(netdev);
2215
2216 ethtool_op_get_ts_info(netdev, info);
2217
2218 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2219 return 0;
2220
2221 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2222 SOF_TIMESTAMPING_RX_HARDWARE |
2223 SOF_TIMESTAMPING_RAW_HARDWARE);
2224
2225 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2226
2227 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
d89777bf
BA		 2228 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2229 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2230 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2231 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2232 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2233 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2234 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2235 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2236 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
b67e1913
BA		 2237 (1 << HWTSTAMP_FILTER_ALL));
2238
d89777bf
BA		 2239 if (adapter->ptp_clock)
2240 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2241
b67e1913
BA		 2242 return 0;
2243}
2244
bc7f75fa
AK		 2245static const struct ethtool_ops e1000_ethtool_ops = {
2246 .get_settings = e1000_get_settings,
2247 .set_settings = e1000_set_settings,
2248 .get_drvinfo = e1000_get_drvinfo,
2249 .get_regs_len = e1000_get_regs_len,
2250 .get_regs = e1000_get_regs,
2251 .get_wol = e1000_get_wol,
2252 .set_wol = e1000_set_wol,
2253 .get_msglevel = e1000_get_msglevel,
2254 .set_msglevel = e1000_set_msglevel,
2255 .nway_reset = e1000_nway_reset,
ed4ba4b5 2256 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2257 .get_eeprom_len = e1000_get_eeprom_len,
2258 .get_eeprom = e1000_get_eeprom,
2259 .set_eeprom = e1000_set_eeprom,
2260 .get_ringparam = e1000_get_ringparam,
2261 .set_ringparam = e1000_set_ringparam,
2262 .get_pauseparam = e1000_get_pauseparam,
2263 .set_pauseparam = e1000_set_pauseparam,
bc7f75fa
AK		 2264 .self_test = e1000_diag_test,
2265 .get_strings = e1000_get_strings,
dbf80dcb 2266 .set_phys_id = e1000_set_phys_id,
bc7f75fa 2267 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2268 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2269 .get_coalesce = e1000_get_coalesce,
2270 .set_coalesce = e1000_set_coalesce,
70495a50 2271 .get_rxnfc = e1000_get_rxnfc,
b67e1913 2272 .get_ts_info = e1000e_get_ts_info,
203e4151
BA		 2273 .get_eee = e1000e_get_eee,
2274 .set_eee = e1000e_set_eee,
bc7f75fa
AK		 2275};
2276
2277void e1000e_set_ethtool_ops(struct net_device *netdev)
2278{
2279 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2280}
Linux kernel - Deliverables
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