projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
e1000e: cleanup (add/remove) blank lines where appropriate
[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
BA		 756 static const u32 test[] = {
757 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 758 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 759 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 760 (test[pat] & write));
761 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
762 if (val != (test[pat] & write & mask)) {
a8fc1891
BA		 763 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
764 reg + (offset << 2), val,
765 (test[pat] & write & mask));
2a887191 766 *data = reg;
cef8c793 767 return 1;
2a887191
JP		 768 }
769 }
cef8c793 770 return 0;
bc7f75fa
AK		 771}
772
2a887191
JP		 773static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
774 int reg, u32 mask, u32 write)
775{
cef8c793 776 u32 val;
2a887191 777 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 778 val = __er32(&adapter->hw, reg);
779 if ((write & mask) != (val & mask)) {
a8fc1891 780 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
6ad65145 781 reg, (val & mask), (write & mask));
2a887191 782 *data = reg;
cef8c793 783 return 1;
2a887191 784 }
cef8c793 785 return 0;
bc7f75fa 786}
fc830b78 787
cef8c793
BA		 788#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
789 do { \
790 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
791 return 1; \
2a887191 792 } while (0)
cef8c793
BA		 793#define REG_PATTERN_TEST(reg, mask, write) \
794 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 795
cef8c793
BA		 796#define REG_SET_AND_CHECK(reg, mask, write) \
797 do { \
798 if (reg_set_and_check(adapter, data, reg, mask, write)) \
799 return 1; \
2a887191
JP		 800 } while (0)
801
bc7f75fa
AK		 802static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
803{
804 struct e1000_hw *hw = &adapter->hw;
805 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 806 u32 value;
807 u32 before;
808 u32 after;
809 u32 i;
810 u32 toggle;
a4f58f54 811 u32 mask;
2fbe4526 812 u32 wlock_mac = 0;
bc7f75fa 813
e921eb1a 814 /* The status register is Read Only, so a write should fail.
bc7f75fa
AK		 815 * Some bits that get toggled are ignored.
816 */
817 switch (mac->type) {
818 /* there are several bits on newer hardware that are r/w */
819 case e1000_82571:
820 case e1000_82572:
821 case e1000_80003es2lan:
822 toggle = 0x7FFFF3FF;
823 break;
f0ff4398 824 default:
bc7f75fa
AK		 825 toggle = 0x7FFFF033;
826 break;
bc7f75fa
AK		 827 }
828
829 before = er32(STATUS);
830 value = (er32(STATUS) & toggle);
831 ew32(STATUS, toggle);
832 after = er32(STATUS) & toggle;
833 if (value != after) {
6ad65145
BA		 834 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
835 after, value);
bc7f75fa
AK		 836 *data = 1;
837 return 1;
838 }
839 /* restore previous status */
840 ew32(STATUS, before);
841
97ac8cae 842 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 843 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
846 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
847 }
848
849 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
1e36052e
BA		 850 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
852 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
853 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
bc7f75fa
AK		 854 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
855 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
856 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
1e36052e
BA		 857 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
858 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
bc7f75fa
AK		 859
860 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
861
97ac8cae 862 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 863 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
864 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
865
8658251d 866 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
1e36052e 867 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 868 if (!(adapter->flags & FLAG_IS_ICH))
8658251d 869 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
1e36052e 870 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
8658251d 871 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 872 mask = 0x8003FFFF;
873 switch (mac->type) {
874 case e1000_ich10lan:
875 case e1000_pchlan:
d3738bb8 876 case e1000_pch2lan:
2fbe4526 877 case e1000_pch_lpt:
a4f58f54
BA		 878 mask |= (1 << 18);
879 break;
880 default:
881 break;
882 }
2fbe4526
BA		 883
884 if (mac->type == e1000_pch_lpt)
885 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
886 E1000_FWSM_WLOCK_MAC_SHIFT;
887
888 for (i = 0; i < mac->rar_entry_count; i++) {
a8fc1891
BA		 889 if (mac->type == e1000_pch_lpt) {
890 /* Cannot test write-protected SHRAL[n] registers */
891 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
892 continue;
893
894 /* SHRAH[9] different than the others */
895 if (i == 10)
896 mask |= (1 << 30);
897 else
898 mask &= ~(1 << 30);
899 }
2fbe4526 900
a8fc1891
BA		 901 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
902 0xFFFFFFFF);
2fbe4526 903 }
bc7f75fa
AK		 904
905 for (i = 0; i < mac->mta_reg_count; i++)
906 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
907
908 *data = 0;
2fbe4526 909
bc7f75fa
AK		 910 return 0;
911}
912
913static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
914{
915 u16 temp;
916 u16 checksum = 0;
917 u16 i;
918
919 *data = 0;
920 /* Read and add up the contents of the EEPROM */
921 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
922 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
923 *data = 1;
e243455d 924 return *data;
bc7f75fa
AK		 925 }
926 checksum += temp;
927 }
928
929 /* If Checksum is not Correct return error else test passed */
53aa82da 930 if ((checksum != (u16)NVM_SUM) && !(*data))
bc7f75fa
AK		 931 *data = 2;
932
933 return *data;
934}
935
8bb62869 936static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
bc7f75fa 937{
53aa82da 938 struct net_device *netdev = (struct net_device *)data;
bc7f75fa
AK		 939 struct e1000_adapter *adapter = netdev_priv(netdev);
940 struct e1000_hw *hw = &adapter->hw;
941
942 adapter->test_icr |= er32(ICR);
943
944 return IRQ_HANDLED;
945}
946
947static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
948{
949 struct net_device *netdev = adapter->netdev;
950 struct e1000_hw *hw = &adapter->hw;
951 u32 mask;
952 u32 shared_int = 1;
953 u32 irq = adapter->pdev->irq;
954 int i;
4662e82b
BA		 955 int ret_val = 0;
956 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 957
958 *data = 0;
959
4662e82b
BA		 960 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
961 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
962 int_mode = adapter->int_mode;
963 e1000e_reset_interrupt_capability(adapter);
964 adapter->int_mode = E1000E_INT_MODE_LEGACY;
965 e1000e_set_interrupt_capability(adapter);
966 }
bc7f75fa 967 /* Hook up test interrupt handler just for this test */
a0607fd3 968 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 969 netdev)) {
970 shared_int = 0;
17e813ec
BA		 971 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
972 netdev)) {
bc7f75fa 973 *data = 1;
4662e82b
BA		 974 ret_val = -1;
975 goto out;
bc7f75fa 976 }
44defeb3 977 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 978
979 /* Disable all the interrupts */
980 ew32(IMC, 0xFFFFFFFF);
945a5151 981 e1e_flush();
1bba4386 982 usleep_range(10000, 20000);
bc7f75fa
AK		 983
984 /* Test each interrupt */
985 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 986 /* Interrupt to test */
987 mask = 1 << i;
988
f4187b56
BA		 989 if (adapter->flags & FLAG_IS_ICH) {
990 switch (mask) {
991 case E1000_ICR_RXSEQ:
992 continue;
993 case 0x00000100:
994 if (adapter->hw.mac.type == e1000_ich8lan ||
995 adapter->hw.mac.type == e1000_ich9lan)
996 continue;
997 break;
998 default:
999 break;
1000 }
1001 }
1002
bc7f75fa 1003 if (!shared_int) {
e921eb1a 1004 /* Disable the interrupt to be reported in
bc7f75fa
AK		 1005 * the cause register and then force the same
1006 * interrupt and see if one gets posted. If
1007 * an interrupt was posted to the bus, the
1008 * test failed.
1009 */
1010 adapter->test_icr = 0;
1011 ew32(IMC, mask);
1012 ew32(ICS, mask);
945a5151 1013 e1e_flush();
1bba4386 1014 usleep_range(10000, 20000);
bc7f75fa
AK		 1015
1016 if (adapter->test_icr & mask) {
1017 *data = 3;
1018 break;
1019 }
1020 }
1021
e921eb1a 1022 /* Enable the interrupt to be reported in
bc7f75fa
AK		 1023 * the cause register and then force the same
1024 * interrupt and see if one gets posted. If
1025 * an interrupt was not posted to the bus, the
1026 * test failed.
1027 */
1028 adapter->test_icr = 0;
1029 ew32(IMS, mask);
1030 ew32(ICS, mask);
945a5151 1031 e1e_flush();
1bba4386 1032 usleep_range(10000, 20000);
bc7f75fa
AK		 1033
1034 if (!(adapter->test_icr & mask)) {
1035 *data = 4;
1036 break;
1037 }
1038
1039 if (!shared_int) {
e921eb1a 1040 /* Disable the other interrupts to be reported in
bc7f75fa
AK		 1041 * the cause register and then force the other
1042 * interrupts and see if any get posted. If
1043 * an interrupt was posted to the bus, the
1044 * test failed.
1045 */
1046 adapter->test_icr = 0;
1047 ew32(IMC, ~mask & 0x00007FFF);
1048 ew32(ICS, ~mask & 0x00007FFF);
945a5151 1049 e1e_flush();
1bba4386 1050 usleep_range(10000, 20000);
bc7f75fa
AK		 1051
1052 if (adapter->test_icr) {
1053 *data = 5;
1054 break;
1055 }
1056 }
1057 }
1058
1059 /* Disable all the interrupts */
1060 ew32(IMC, 0xFFFFFFFF);
945a5151 1061 e1e_flush();
1bba4386 1062 usleep_range(10000, 20000);
bc7f75fa
AK		 1063
1064 /* Unhook test interrupt handler */
1065 free_irq(irq, netdev);
1066
4662e82b
BA		 1067out:
1068 if (int_mode == E1000E_INT_MODE_MSIX) {
1069 e1000e_reset_interrupt_capability(adapter);
1070 adapter->int_mode = int_mode;
1071 e1000e_set_interrupt_capability(adapter);
1072 }
1073
1074 return ret_val;
bc7f75fa
AK		 1075}
1076
1077static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1078{
1079 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1080 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1081 struct pci_dev *pdev = adapter->pdev;
17e813ec 1082 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1083 int i;
1084
1085 if (tx_ring->desc && tx_ring->buffer_info) {
1086 for (i = 0; i < tx_ring->count; i++) {
17e813ec
BA		 1087 buffer_info = &tx_ring->buffer_info[i];
1088
1089 if (buffer_info->dma)
0be3f55f 1090 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1091 buffer_info->dma,
1092 buffer_info->length,
1093 DMA_TO_DEVICE);
1094 if (buffer_info->skb)
1095 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1096 }
1097 }
1098
1099 if (rx_ring->desc && rx_ring->buffer_info) {
1100 for (i = 0; i < rx_ring->count; i++) {
17e813ec
BA		 1101 buffer_info = &rx_ring->buffer_info[i];
1102
1103 if (buffer_info->dma)
0be3f55f 1104 dma_unmap_single(&pdev->dev,
17e813ec
BA		 1105 buffer_info->dma,
1106 2048, DMA_FROM_DEVICE);
1107 if (buffer_info->skb)
1108 dev_kfree_skb(buffer_info->skb);
bc7f75fa
AK		 1109 }
1110 }
1111
1112 if (tx_ring->desc) {
1113 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1114 tx_ring->dma);
1115 tx_ring->desc = NULL;
1116 }
1117 if (rx_ring->desc) {
1118 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1119 rx_ring->dma);
1120 rx_ring->desc = NULL;
1121 }
1122
1123 kfree(tx_ring->buffer_info);
1124 tx_ring->buffer_info = NULL;
1125 kfree(rx_ring->buffer_info);
1126 rx_ring->buffer_info = NULL;
1127}
1128
1129static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1130{
1131 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1132 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1133 struct pci_dev *pdev = adapter->pdev;
1134 struct e1000_hw *hw = &adapter->hw;
1135 u32 rctl;
bc7f75fa
AK		 1136 int i;
1137 int ret_val;
1138
1139 /* Setup Tx descriptor ring and Tx buffers */
1140
1141 if (!tx_ring->count)
1142 tx_ring->count = E1000_DEFAULT_TXD;
1143
cef8c793
BA		 1144 tx_ring->buffer_info = kcalloc(tx_ring->count,
1145 sizeof(struct e1000_buffer),
1146 GFP_KERNEL);
668018d7 1147 if (!tx_ring->buffer_info) {
bc7f75fa
AK		 1148 ret_val = 1;
1149 goto err_nomem;
1150 }
bc7f75fa
AK		 1151
1152 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1153 tx_ring->size = ALIGN(tx_ring->size, 4096);
1154 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1155 &tx_ring->dma, GFP_KERNEL);
1156 if (!tx_ring->desc) {
1157 ret_val = 2;
1158 goto err_nomem;
1159 }
bc7f75fa
AK		 1160 tx_ring->next_to_use = 0;
1161 tx_ring->next_to_clean = 0;
1162
53aa82da
BA		 1163 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1164 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1e36052e
BA		 1165 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1166 ew32(TDH(0), 0);
1167 ew32(TDT(0), 0);
cef8c793
BA		 1168 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1169 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1170 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1171
1172 for (i = 0; i < tx_ring->count; i++) {
1173 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1174 struct sk_buff *skb;
1175 unsigned int skb_size = 1024;
1176
1177 skb = alloc_skb(skb_size, GFP_KERNEL);
1178 if (!skb) {
1179 ret_val = 3;
1180 goto err_nomem;
1181 }
1182 skb_put(skb, skb_size);
1183 tx_ring->buffer_info[i].skb = skb;
1184 tx_ring->buffer_info[i].length = skb->len;
1185 tx_ring->buffer_info[i].dma =
f0ff4398
BA		 1186 dma_map_single(&pdev->dev, skb->data, skb->len,
1187 DMA_TO_DEVICE);
0be3f55f
NN		 1188 if (dma_mapping_error(&pdev->dev,
1189 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1190 ret_val = 4;
1191 goto err_nomem;
1192 }
cef8c793 1193 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1194 tx_desc->lower.data = cpu_to_le32(skb->len);
1195 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1196 E1000_TXD_CMD_IFCS |
cef8c793 1197 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1198 tx_desc->upper.data = 0;
1199 }
1200
1201 /* Setup Rx descriptor ring and Rx buffers */
1202
1203 if (!rx_ring->count)
1204 rx_ring->count = E1000_DEFAULT_RXD;
1205
cef8c793
BA		 1206 rx_ring->buffer_info = kcalloc(rx_ring->count,
1207 sizeof(struct e1000_buffer),
1208 GFP_KERNEL);
668018d7 1209 if (!rx_ring->buffer_info) {
bc7f75fa
AK		 1210 ret_val = 5;
1211 goto err_nomem;
1212 }
bc7f75fa 1213
5f450212 1214 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
bc7f75fa
AK		 1215 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1216 &rx_ring->dma, GFP_KERNEL);
1217 if (!rx_ring->desc) {
1218 ret_val = 6;
1219 goto err_nomem;
1220 }
bc7f75fa
AK		 1221 rx_ring->next_to_use = 0;
1222 rx_ring->next_to_clean = 0;
1223
1224 rctl = er32(RCTL);
7f99ae63
BA		 1225 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1226 ew32(RCTL, rctl & ~E1000_RCTL_EN);
53aa82da
BA		 1227 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1228 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1e36052e
BA		 1229 ew32(RDLEN(0), rx_ring->size);
1230 ew32(RDH(0), 0);
1231 ew32(RDT(0), 0);
bc7f75fa 1232 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
f0ff4398
BA		 1233 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1234 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1235 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1236 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
bc7f75fa
AK		 1237 ew32(RCTL, rctl);
1238
1239 for (i = 0; i < rx_ring->count; i++) {
5f450212 1240 union e1000_rx_desc_extended *rx_desc;
bc7f75fa
AK		 1241 struct sk_buff *skb;
1242
1243 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1244 if (!skb) {
1245 ret_val = 7;
1246 goto err_nomem;
1247 }
1248 skb_reserve(skb, NET_IP_ALIGN);
1249 rx_ring->buffer_info[i].skb = skb;
1250 rx_ring->buffer_info[i].dma =
f0ff4398
BA		 1251 dma_map_single(&pdev->dev, skb->data, 2048,
1252 DMA_FROM_DEVICE);
0be3f55f
NN		 1253 if (dma_mapping_error(&pdev->dev,
1254 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1255 ret_val = 8;
1256 goto err_nomem;
1257 }
5f450212
BA		 1258 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1259 rx_desc->read.buffer_addr =
1260 cpu_to_le64(rx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1261 memset(skb->data, 0x00, skb->len);
1262 }
1263
1264 return 0;
1265
1266err_nomem:
1267 e1000_free_desc_rings(adapter);
1268 return ret_val;
1269}
1270
1271static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1272{
1273 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1274 e1e_wphy(&adapter->hw, 29, 0x001F);
1275 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1276 e1e_wphy(&adapter->hw, 29, 0x001A);
1277 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1278}
1279
1280static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1281{
1282 struct e1000_hw *hw = &adapter->hw;
1283 u32 ctrl_reg = 0;
97ac8cae 1284 u16 phy_reg = 0;
cbd006cb 1285 s32 ret_val = 0;
bc7f75fa 1286
318a94d6 1287 hw->mac.autoneg = 0;
bc7f75fa 1288
3af50481 1289 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa 1290 /* force 100, set loopback */
c2ade1a4 1291 e1e_wphy(hw, MII_BMCR, 0x6100);
bc7f75fa
AK		 1292
1293 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1294 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1295 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1296 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1297 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1298 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1299 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1300
1301 ew32(CTRL, ctrl_reg);
945a5151 1302 e1e_flush();
3af50481
BA		 1303 udelay(500);
1304
1305 return 0;
1306 }
1307
1308 /* Specific PHY configuration for loopback */
1309 switch (hw->phy.type) {
1310 case e1000_phy_m88:
1311 /* Auto-MDI/MDIX Off */
1312 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1313 /* reset to update Auto-MDI/MDIX */
c2ade1a4 1314 e1e_wphy(hw, MII_BMCR, 0x9140);
3af50481 1315 /* autoneg off */
c2ade1a4 1316 e1e_wphy(hw, MII_BMCR, 0x8140);
3af50481
BA		 1317 break;
1318 case e1000_phy_gg82563:
1319 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1320 break;
97ac8cae
BA		 1321 case e1000_phy_bm:
1322 /* Set Default MAC Interface speed to 1GB */
1323 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1324 phy_reg &= ~0x0007;
1325 phy_reg |= 0x006;
1326 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1327 /* Assert SW reset for above settings to take effect */
6b598e1e 1328 hw->phy.ops.commit(hw);
97ac8cae
BA		 1329 mdelay(1);
1330 /* Force Full Duplex */
1331 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1332 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1333 /* Set Link Up (in force link) */
1334 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1335 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1336 /* Force Link */
1337 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1338 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1339 /* Set Early Link Enable */
1340 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1341 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1342 break;
1343 case e1000_phy_82577:
1344 case e1000_phy_82578:
1345 /* Workaround: K1 must be disabled for stable 1Gbps operation */
cbd006cb
BA		 1346 ret_val = hw->phy.ops.acquire(hw);
1347 if (ret_val) {
1348 e_err("Cannot setup 1Gbps loopback.\n");
1349 return ret_val;
1350 }
3af50481 1351 e1000_configure_k1_ich8lan(hw, false);
cbd006cb 1352 hw->phy.ops.release(hw);
3af50481 1353 break;
d3738bb8
BA		 1354 case e1000_phy_82579:
1355 /* Disable PHY energy detect power down */
1356 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1357 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1358 /* Disable full chip energy detect */
1359 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1360 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1361 /* Enable loopback on the PHY */
d3738bb8
BA		 1362 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1363 break;
cef8c793 1364 default:
3af50481
BA		 1365 break;
1366 }
bc7f75fa 1367
3af50481 1368 /* force 1000, set loopback */
c2ade1a4 1369 e1e_wphy(hw, MII_BMCR, 0x4140);
3af50481 1370 mdelay(250);
cef8c793 1371
3af50481
BA		 1372 /* Now set up the MAC to the same speed/duplex as the PHY. */
1373 ctrl_reg = er32(CTRL);
1374 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1375 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1376 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1377 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1378 E1000_CTRL_FD); /* Force Duplex to FULL */
1379
1380 if (adapter->flags & FLAG_IS_ICH)
1381 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1382
318a94d6
JK		 1383 if (hw->phy.media_type == e1000_media_type_copper &&
1384 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1385 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1386 } else {
e921eb1a 1387 /* Set the ILOS bit on the fiber Nic if half duplex link is
ad68076e
BA		 1388 * detected.
1389 */
90da0669 1390 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
bc7f75fa
AK		 1391 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1392 }
1393
1394 ew32(CTRL, ctrl_reg);
1395
e921eb1a 1396 /* Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1397 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1398 */
318a94d6 1399 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1400 e1000_phy_disable_receiver(adapter);
1401
1402 udelay(500);
1403
1404 return 0;
1405}
1406
1407static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1408{
1409 struct e1000_hw *hw = &adapter->hw;
1410 u32 ctrl = er32(CTRL);
70806a7f 1411 int link;
bc7f75fa
AK		 1412
1413 /* special requirements for 82571/82572 fiber adapters */
1414
e921eb1a 1415 /* jump through hoops to make sure link is up because serdes
ad68076e
BA		 1416 * link is hardwired up
1417 */
bc7f75fa
AK		 1418 ctrl |= E1000_CTRL_SLU;
1419 ew32(CTRL, ctrl);
1420
1421 /* disable autoneg */
1422 ctrl = er32(TXCW);
1423 ctrl &= ~(1 << 31);
1424 ew32(TXCW, ctrl);
1425
1426 link = (er32(STATUS) & E1000_STATUS_LU);
1427
1428 if (!link) {
1429 /* set invert loss of signal */
1430 ctrl = er32(CTRL);
1431 ctrl |= E1000_CTRL_ILOS;
1432 ew32(CTRL, ctrl);
1433 }
1434
e921eb1a 1435 /* special write to serdes control register to enable SerDes analog
ad68076e
BA		 1436 * loopback
1437 */
bc7f75fa
AK		 1438#define E1000_SERDES_LB_ON 0x410
1439 ew32(SCTL, E1000_SERDES_LB_ON);
945a5151 1440 e1e_flush();
1bba4386 1441 usleep_range(10000, 20000);
bc7f75fa
AK		 1442
1443 return 0;
1444}
1445
1446/* only call this for fiber/serdes connections to es2lan */
1447static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1448{
1449 struct e1000_hw *hw = &adapter->hw;
1450 u32 ctrlext = er32(CTRL_EXT);
1451 u32 ctrl = er32(CTRL);
1452
e921eb1a 1453 /* save CTRL_EXT to restore later, reuse an empty variable (unused
ad68076e
BA		 1454 * on mac_type 80003es2lan)
1455 */
bc7f75fa
AK		 1456 adapter->tx_fifo_head = ctrlext;
1457
1458 /* clear the serdes mode bits, putting the device into mac loopback */
1459 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1460 ew32(CTRL_EXT, ctrlext);
1461
1462 /* force speed to 1000/FD, link up */
1463 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1464 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1465 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1466 ew32(CTRL, ctrl);
1467
1468 /* set mac loopback */
1469 ctrl = er32(RCTL);
1470 ctrl |= E1000_RCTL_LBM_MAC;
1471 ew32(RCTL, ctrl);
1472
1473 /* set testing mode parameters (no need to reset later) */
1474#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1475#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1476 ew32(KMRNCTRLSTA,
cef8c793 1477 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1478
1479 return 0;
1480}
1481
1482static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1483{
1484 struct e1000_hw *hw = &adapter->hw;
1485 u32 rctl;
1486
318a94d6
JK		 1487 if (hw->phy.media_type == e1000_media_type_fiber ||
1488 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1489 switch (hw->mac.type) {
1490 case e1000_80003es2lan:
1491 return e1000_set_es2lan_mac_loopback(adapter);
1492 break;
1493 case e1000_82571:
1494 case e1000_82572:
1495 return e1000_set_82571_fiber_loopback(adapter);
1496 break;
1497 default:
1498 rctl = er32(RCTL);
1499 rctl |= E1000_RCTL_LBM_TCVR;
1500 ew32(RCTL, rctl);
1501 return 0;
1502 }
318a94d6 1503 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1504 return e1000_integrated_phy_loopback(adapter);
1505 }
1506
1507 return 7;
1508}
1509
1510static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1511{
1512 struct e1000_hw *hw = &adapter->hw;
1513 u32 rctl;
1514 u16 phy_reg;
1515
1516 rctl = er32(RCTL);
1517 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1518 ew32(RCTL, rctl);
1519
1520 switch (hw->mac.type) {
1521 case e1000_80003es2lan:
318a94d6
JK		 1522 if (hw->phy.media_type == e1000_media_type_fiber ||
1523 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1524 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1525 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1526 adapter->tx_fifo_head = 0;
1527 }
1528 /* fall through */
1529 case e1000_82571:
1530 case e1000_82572:
318a94d6
JK		 1531 if (hw->phy.media_type == e1000_media_type_fiber ||
1532 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1533#define E1000_SERDES_LB_OFF 0x400
1534 ew32(SCTL, E1000_SERDES_LB_OFF);
945a5151 1535 e1e_flush();
1bba4386 1536 usleep_range(10000, 20000);
bc7f75fa
AK		 1537 break;
1538 }
1539 /* Fall Through */
1540 default:
1541 hw->mac.autoneg = 1;
1542 if (hw->phy.type == e1000_phy_gg82563)
1543 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
c2ade1a4
BA		 1544 e1e_rphy(hw, MII_BMCR, &phy_reg);
1545 if (phy_reg & BMCR_LOOPBACK) {
1546 phy_reg &= ~BMCR_LOOPBACK;
1547 e1e_wphy(hw, MII_BMCR, phy_reg);
6b598e1e
BA		 1548 if (hw->phy.ops.commit)
1549 hw->phy.ops.commit(hw);
bc7f75fa
AK		 1550 }
1551 break;
1552 }
1553}
1554
1555static void e1000_create_lbtest_frame(struct sk_buff *skb,
1556 unsigned int frame_size)
1557{
1558 memset(skb->data, 0xFF, frame_size);
1559 frame_size &= ~1;
1560 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1561 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1562 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1563}
1564
1565static int e1000_check_lbtest_frame(struct sk_buff *skb,
1566 unsigned int frame_size)
1567{
1568 frame_size &= ~1;
1569 if (*(skb->data + 3) == 0xFF)
1570 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
17e813ec 1571 (*(skb->data + frame_size / 2 + 12) == 0xAF))
bc7f75fa
AK		 1572 return 0;
1573 return 13;
1574}
1575
1576static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1577{
1578 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1579 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1580 struct pci_dev *pdev = adapter->pdev;
1581 struct e1000_hw *hw = &adapter->hw;
17e813ec 1582 struct e1000_buffer *buffer_info;
bc7f75fa
AK		 1583 int i, j, k, l;
1584 int lc;
1585 int good_cnt;
1586 int ret_val = 0;
1587 unsigned long time;
1588
1e36052e 1589 ew32(RDT(0), rx_ring->count - 1);
bc7f75fa 1590
e921eb1a 1591 /* Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1592 * The idea is to wrap the largest ring a number of times using 64
1593 * send/receive pairs during each loop
1594 */
1595
1596 if (rx_ring->count <= tx_ring->count)
1597 lc = ((tx_ring->count / 64) * 2) + 1;
1598 else
1599 lc = ((rx_ring->count / 64) * 2) + 1;
1600
1601 k = 0;
1602 l = 0;
1603 for (j = 0; j <= lc; j++) { /* loop count loop */
1604 for (i = 0; i < 64; i++) { /* send the packets */
17e813ec
BA		 1605 buffer_info = &tx_ring->buffer_info[k];
1606
1607 e1000_create_lbtest_frame(buffer_info->skb, 1024);
0be3f55f 1608 dma_sync_single_for_device(&pdev->dev,
17e813ec
BA		 1609 buffer_info->dma,
1610 buffer_info->length,
1611 DMA_TO_DEVICE);
bc7f75fa
AK		 1612 k++;
1613 if (k == tx_ring->count)
1614 k = 0;
1615 }
1e36052e 1616 ew32(TDT(0), k);
945a5151 1617 e1e_flush();
bc7f75fa
AK		 1618 msleep(200);
1619 time = jiffies; /* set the start time for the receive */
1620 good_cnt = 0;
1621 do { /* receive the sent packets */
17e813ec
BA		 1622 buffer_info = &rx_ring->buffer_info[l];
1623
0be3f55f 1624 dma_sync_single_for_cpu(&pdev->dev,
17e813ec
BA		 1625 buffer_info->dma, 2048,
1626 DMA_FROM_DEVICE);
bc7f75fa 1627
17e813ec
BA		 1628 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1629 1024);
bc7f75fa
AK		 1630 if (!ret_val)
1631 good_cnt++;
1632 l++;
1633 if (l == rx_ring->count)
1634 l = 0;
e921eb1a 1635 /* time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1636 * enough time to complete the receives, if it's
1637 * exceeded, break and error off
1638 */
1639 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1640 if (good_cnt != 64) {
1641 ret_val = 13; /* ret_val is the same as mis-compare */
1642 break;
1643 }
cef8c793 1644 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1645 ret_val = 14; /* error code for time out error */
1646 break;
1647 }
1648 } /* end loop count loop */
1649 return ret_val;
1650}
1651
1652static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1653{
44abd5c1
BA		 1654 struct e1000_hw *hw = &adapter->hw;
1655
e921eb1a 1656 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
470a5420
BA		 1657 if (hw->phy.ops.check_reset_block &&
1658 hw->phy.ops.check_reset_block(hw)) {
44defeb3 1659 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1660 *data = 0;
1661 goto out;
1662 }
1663
1664 *data = e1000_setup_desc_rings(adapter);
e265522c 1665 if (*data)
bc7f75fa
AK		 1666 goto out;
1667
1668 *data = e1000_setup_loopback_test(adapter);
e265522c 1669 if (*data)
bc7f75fa
AK		 1670 goto err_loopback;
1671
1672 *data = e1000_run_loopback_test(adapter);
1673 e1000_loopback_cleanup(adapter);
1674
1675err_loopback:
1676 e1000_free_desc_rings(adapter);
1677out:
1678 return *data;
1679}
1680
1681static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1682{
1683 struct e1000_hw *hw = &adapter->hw;
1684
1685 *data = 0;
318a94d6 1686 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1687 int i = 0;
612e244c 1688 hw->mac.serdes_has_link = false;
bc7f75fa 1689
e921eb1a 1690 /* On some blade server designs, link establishment
ad68076e
BA		 1691 * could take as long as 2-3 minutes
1692 */
bc7f75fa
AK		 1693 do {
1694 hw->mac.ops.check_for_link(hw);
1695 if (hw->mac.serdes_has_link)
1696 return *data;
1697 msleep(20);
1698 } while (i++ < 3750);
1699
1700 *data = 1;
1701 } else {
1702 hw->mac.ops.check_for_link(hw);
1703 if (hw->mac.autoneg)
e921eb1a 1704 /* On some Phy/switch combinations, link establishment
5661aeb0
BA		 1705 * can take a few seconds more than expected.
1706 */
1707 msleep(5000);
bc7f75fa 1708
5661aeb0 1709 if (!(er32(STATUS) & E1000_STATUS_LU))
bc7f75fa
AK		 1710 *data = 1;
1711 }
1712 return *data;
1713}
1714
8bb62869
BA		 1715static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1716 int sset)
bc7f75fa 1717{
b9f2c044
JG		 1718 switch (sset) {
1719 case ETH_SS_TEST:
1720 return E1000_TEST_LEN;
1721 case ETH_SS_STATS:
1722 return E1000_STATS_LEN;
1723 default:
1724 return -EOPNOTSUPP;
1725 }
bc7f75fa
AK		 1726}
1727
1728static void e1000_diag_test(struct net_device *netdev,
1729 struct ethtool_test *eth_test, u64 *data)
1730{
1731 struct e1000_adapter *adapter = netdev_priv(netdev);
1732 u16 autoneg_advertised;
1733 u8 forced_speed_duplex;
1734 u8 autoneg;
1735 bool if_running = netif_running(netdev);
1736
1737 set_bit(__E1000_TESTING, &adapter->state);
31dbe5b4
BA		 1738
1739 if (!if_running) {
1740 /* Get control of and reset hardware */
1741 if (adapter->flags & FLAG_HAS_AMT)
1742 e1000e_get_hw_control(adapter);
1743
1744 e1000e_power_up_phy(adapter);
1745
1746 adapter->hw.phy.autoneg_wait_to_complete = 1;
1747 e1000e_reset(adapter);
1748 adapter->hw.phy.autoneg_wait_to_complete = 0;
1749 }
1750
bc7f75fa
AK		 1751 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1752 /* Offline tests */
1753
1754 /* save speed, duplex, autoneg settings */
1755 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1756 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1757 autoneg = adapter->hw.mac.autoneg;
1758
44defeb3 1759 e_info("offline testing starting\n");
bc7f75fa 1760
bc7f75fa
AK		 1761 if (if_running)
1762 /* indicate we're in test mode */
1763 dev_close(netdev);
bc7f75fa
AK		 1764
1765 if (e1000_reg_test(adapter, &data[0]))
1766 eth_test->flags |= ETH_TEST_FL_FAILED;
1767
1768 e1000e_reset(adapter);
1769 if (e1000_eeprom_test(adapter, &data[1]))
1770 eth_test->flags |= ETH_TEST_FL_FAILED;
1771
1772 e1000e_reset(adapter);
1773 if (e1000_intr_test(adapter, &data[2]))
1774 eth_test->flags |= ETH_TEST_FL_FAILED;
1775
1776 e1000e_reset(adapter);
bc7f75fa
AK		 1777 if (e1000_loopback_test(adapter, &data[3]))
1778 eth_test->flags |= ETH_TEST_FL_FAILED;
1779
c6ce3854
CW		 1780 /* force this routine to wait until autoneg complete/timeout */
1781 adapter->hw.phy.autoneg_wait_to_complete = 1;
1782 e1000e_reset(adapter);
1783 adapter->hw.phy.autoneg_wait_to_complete = 0;
1784
1785 if (e1000_link_test(adapter, &data[4]))
1786 eth_test->flags |= ETH_TEST_FL_FAILED;
1787
bc7f75fa
AK		 1788 /* restore speed, duplex, autoneg settings */
1789 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1790 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1791 adapter->hw.mac.autoneg = autoneg;
bc7f75fa 1792 e1000e_reset(adapter);
bc7f75fa
AK		 1793
1794 clear_bit(__E1000_TESTING, &adapter->state);
1795 if (if_running)
1796 dev_open(netdev);
1797 } else {
31dbe5b4 1798 /* Online tests */
11b08be8 1799
44defeb3 1800 e_info("online testing starting\n");
bc7f75fa 1801
31dbe5b4 1802 /* register, eeprom, intr and loopback tests not run online */
bc7f75fa
AK		 1803 data[0] = 0;
1804 data[1] = 0;
1805 data[2] = 0;
1806 data[3] = 0;
1807
31dbe5b4
BA		 1808 if (e1000_link_test(adapter, &data[4]))
1809 eth_test->flags |= ETH_TEST_FL_FAILED;
11b08be8 1810
bc7f75fa
AK		 1811 clear_bit(__E1000_TESTING, &adapter->state);
1812 }
31dbe5b4
BA		 1813
1814 if (!if_running) {
1815 e1000e_reset(adapter);
1816
1817 if (adapter->flags & FLAG_HAS_AMT)
1818 e1000e_release_hw_control(adapter);
1819 }
1820
bc7f75fa
AK		 1821 msleep_interruptible(4 * 1000);
1822}
1823
1824static void e1000_get_wol(struct net_device *netdev,
1825 struct ethtool_wolinfo *wol)
1826{
1827 struct e1000_adapter *adapter = netdev_priv(netdev);
1828
1829 wol->supported = 0;
1830 wol->wolopts = 0;
1831
6ff68026
RW		 1832 if (!(adapter->flags & FLAG_HAS_WOL) ||
1833 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1834 return;
1835
1836 wol->supported = WAKE_UCAST | WAKE_MCAST |
4a29e155 1837 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
bc7f75fa
AK		 1838
1839 /* apply any specific unsupported masks here */
1840 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1841 wol->supported &= ~WAKE_UCAST;
1842
1843 if (adapter->wol & E1000_WUFC_EX)
6ad65145 1844 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
bc7f75fa
AK		 1845 }
1846
1847 if (adapter->wol & E1000_WUFC_EX)
1848 wol->wolopts |= WAKE_UCAST;
1849 if (adapter->wol & E1000_WUFC_MC)
1850 wol->wolopts |= WAKE_MCAST;
1851 if (adapter->wol & E1000_WUFC_BC)
1852 wol->wolopts |= WAKE_BCAST;
1853 if (adapter->wol & E1000_WUFC_MAG)
1854 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1855 if (adapter->wol & E1000_WUFC_LNKC)
1856 wol->wolopts |= WAKE_PHY;
bc7f75fa
AK		 1857}
1858
4a29e155 1859static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
bc7f75fa
AK		 1860{
1861 struct e1000_adapter *adapter = netdev_priv(netdev);
1862
6ff68026 1863 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1864 !device_can_wakeup(&adapter->pdev->dev) ||
1865 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
4a29e155 1866 WAKE_MAGIC | WAKE_PHY)))
1fbfca32 1867 return -EOPNOTSUPP;
bc7f75fa
AK		 1868
1869 /* these settings will always override what we currently have */
1870 adapter->wol = 0;
1871
1872 if (wol->wolopts & WAKE_UCAST)
1873 adapter->wol |= E1000_WUFC_EX;
1874 if (wol->wolopts & WAKE_MCAST)
1875 adapter->wol |= E1000_WUFC_MC;
1876 if (wol->wolopts & WAKE_BCAST)
1877 adapter->wol |= E1000_WUFC_BC;
1878 if (wol->wolopts & WAKE_MAGIC)
1879 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1880 if (wol->wolopts & WAKE_PHY)
1881 adapter->wol |= E1000_WUFC_LNKC;
bc7f75fa 1882
6ff68026
RW		 1883 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1884
bc7f75fa
AK		 1885 return 0;
1886}
1887
dbf80dcb
BA		 1888static int e1000_set_phys_id(struct net_device *netdev,
1889 enum ethtool_phys_id_state state)
bc7f75fa
AK		 1890{
1891 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1892 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1893
dbf80dcb
BA		 1894 switch (state) {
1895 case ETHTOOL_ID_ACTIVE:
1896 if (!hw->mac.ops.blink_led)
1897 return 2; /* cycle on/off twice per second */
bc7f75fa 1898
dbf80dcb
BA		 1899 hw->mac.ops.blink_led(hw);
1900 break;
1901
1902 case ETHTOOL_ID_INACTIVE:
4662e82b
BA		 1903 if (hw->phy.type == e1000_phy_ife)
1904 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
dbf80dcb
BA		 1905 hw->mac.ops.led_off(hw);
1906 hw->mac.ops.cleanup_led(hw);
1907 break;
bc7f75fa 1908
dbf80dcb 1909 case ETHTOOL_ID_ON:
f23efdff 1910 hw->mac.ops.led_on(hw);
dbf80dcb 1911 break;
bc7f75fa 1912
dbf80dcb 1913 case ETHTOOL_ID_OFF:
f23efdff 1914 hw->mac.ops.led_off(hw);
dbf80dcb
BA		 1915 break;
1916 }
bc7f75fa
AK		 1917 return 0;
1918}
1919
de5b3077
AK		 1920static int e1000_get_coalesce(struct net_device *netdev,
1921 struct ethtool_coalesce *ec)
1922{
1923 struct e1000_adapter *adapter = netdev_priv(netdev);
1924
eab2abf5 1925 if (adapter->itr_setting <= 4)
de5b3077
AK		 1926 ec->rx_coalesce_usecs = adapter->itr_setting;
1927 else
1928 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1929
1930 return 0;
1931}
1932
1933static int e1000_set_coalesce(struct net_device *netdev,
1934 struct ethtool_coalesce *ec)
1935{
1936 struct e1000_adapter *adapter = netdev_priv(netdev);
de5b3077
AK		 1937
1938 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1939 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1940 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1941 (ec->rx_coalesce_usecs == 2))
1942 return -EINVAL;
1943
eab2abf5 1944 if (ec->rx_coalesce_usecs == 4) {
06a402ef
BA		 1945 adapter->itr_setting = 4;
1946 adapter->itr = adapter->itr_setting;
eab2abf5 1947 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1948 adapter->itr = 20000;
1949 adapter->itr_setting = ec->rx_coalesce_usecs;
1950 } else {
1951 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1952 adapter->itr_setting = adapter->itr & ~3;
1953 }
1954
1955 if (adapter->itr_setting != 0)
22a4cca2 1956 e1000e_write_itr(adapter, adapter->itr);
de5b3077 1957 else
22a4cca2 1958 e1000e_write_itr(adapter, 0);
de5b3077
AK		 1959
1960 return 0;
1961}
1962
bc7f75fa
AK		 1963static int e1000_nway_reset(struct net_device *netdev)
1964{
1965 struct e1000_adapter *adapter = netdev_priv(netdev);
5962bc21
BA		 1966
1967 if (!netif_running(netdev))
1968 return -EAGAIN;
1969
1970 if (!adapter->hw.mac.autoneg)
1971 return -EINVAL;
1972
1973 e1000e_reinit_locked(adapter);
1974
bc7f75fa
AK		 1975 return 0;
1976}
1977
bc7f75fa 1978static void e1000_get_ethtool_stats(struct net_device *netdev,
8bb62869 1979 struct ethtool_stats __always_unused *stats,
bc7f75fa
AK		 1980 u64 *data)
1981{
1982 struct e1000_adapter *adapter = netdev_priv(netdev);
67fd4fcb 1983 struct rtnl_link_stats64 net_stats;
bc7f75fa 1984 int i;
e0f36a95 1985 char *p = NULL;
bc7f75fa 1986
67fd4fcb 1987 e1000e_get_stats64(netdev, &net_stats);
bc7f75fa 1988 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1989 switch (e1000_gstrings_stats[i].type) {
1990 case NETDEV_STATS:
53aa82da 1991 p = (char *)&net_stats +
f0ff4398 1992 e1000_gstrings_stats[i].stat_offset;
e0f36a95
AK		 1993 break;
1994 case E1000_STATS:
53aa82da 1995 p = (char *)adapter +
f0ff4398 1996 e1000_gstrings_stats[i].stat_offset;
e0f36a95 1997 break;
61c75816
BA		 1998 default:
1999 data[i] = 0;
2000 continue;
e0f36a95
AK		 2001 }
2002
bc7f75fa 2003 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
f0ff4398 2004 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
bc7f75fa
AK		 2005 }
2006}
2007
8bb62869
BA		 2008static void e1000_get_strings(struct net_device __always_unused *netdev,
2009 u32 stringset, u8 *data)
bc7f75fa
AK		 2010{
2011 u8 *p = data;
2012 int i;
2013
2014 switch (stringset) {
2015 case ETH_SS_TEST:
5c1bda0a 2016 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2017 break;
2018 case ETH_SS_STATS:
2019 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2020 memcpy(p, e1000_gstrings_stats[i].stat_string,
2021 ETH_GSTRING_LEN);
2022 p += ETH_GSTRING_LEN;
2023 }
2024 break;
2025 }
2026}
2027
70495a50 2028static int e1000_get_rxnfc(struct net_device *netdev,
8bb62869
BA		 2029 struct ethtool_rxnfc *info,
2030 u32 __always_unused *rule_locs)
70495a50
BA		 2031{
2032 info->data = 0;
2033
2034 switch (info->cmd) {
2035 case ETHTOOL_GRXFH: {
2036 struct e1000_adapter *adapter = netdev_priv(netdev);
2037 struct e1000_hw *hw = &adapter->hw;
2038 u32 mrqc = er32(MRQC);
2039
2040 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2041 return 0;
2042
2043 switch (info->flow_type) {
2044 case TCP_V4_FLOW:
2045 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2046 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2047 /* fall through */
2048 case UDP_V4_FLOW:
2049 case SCTP_V4_FLOW:
2050 case AH_ESP_V4_FLOW:
2051 case IPV4_FLOW:
2052 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2053 info->data |= RXH_IP_SRC | RXH_IP_DST;
2054 break;
2055 case TCP_V6_FLOW:
2056 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2057 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2058 /* fall through */
2059 case UDP_V6_FLOW:
2060 case SCTP_V6_FLOW:
2061 case AH_ESP_V6_FLOW:
2062 case IPV6_FLOW:
2063 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2064 info->data |= RXH_IP_SRC | RXH_IP_DST;
2065 break;
2066 default:
2067 break;
2068 }
2069 return 0;
2070 }
2071 default:
2072 return -EOPNOTSUPP;
2073 }
2074}
2075
203e4151
BA		 2076static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2077{
2078 struct e1000_adapter *adapter = netdev_priv(netdev);
2079 struct e1000_hw *hw = &adapter->hw;
2080 u16 cap_addr, adv_addr, lpa_addr, pcs_stat_addr, phy_data, lpi_ctrl;
2081 u32 status, ret_val;
2082
2083 if (!(adapter->flags & FLAG_IS_ICH) ||
2084 !(adapter->flags2 & FLAG2_HAS_EEE))
2085 return -EOPNOTSUPP;
2086
2087 switch (hw->phy.type) {
2088 case e1000_phy_82579:
2089 cap_addr = I82579_EEE_CAPABILITY;
2090 adv_addr = I82579_EEE_ADVERTISEMENT;
2091 lpa_addr = I82579_EEE_LP_ABILITY;
2092 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2093 break;
2094 case e1000_phy_i217:
2095 cap_addr = I217_EEE_CAPABILITY;
2096 adv_addr = I217_EEE_ADVERTISEMENT;
2097 lpa_addr = I217_EEE_LP_ABILITY;
2098 pcs_stat_addr = I217_EEE_PCS_STATUS;
2099 break;
2100 default:
2101 return -EOPNOTSUPP;
2102 }
2103
2104 ret_val = hw->phy.ops.acquire(hw);
2105 if (ret_val)
2106 return -EBUSY;
2107
2108 /* EEE Capability */
2109 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2110 if (ret_val)
2111 goto release;
2112 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2113
2114 /* EEE Advertised */
2115 ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &phy_data);
2116 if (ret_val)
2117 goto release;
2118 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2119
2120 /* EEE Link Partner Advertised */
2121 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2122 if (ret_val)
2123 goto release;
2124 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2125
2126 /* EEE PCS Status */
2127 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2128 if (hw->phy.type == e1000_phy_82579)
2129 phy_data <<= 8;
2130
2131release:
2132 hw->phy.ops.release(hw);
2133 if (ret_val)
2134 return -ENODATA;
2135
2136 e1e_rphy(hw, I82579_LPI_CTRL, &lpi_ctrl);
2137 status = er32(STATUS);
2138
2139 /* Result of the EEE auto negotiation - there is no register that
2140 * has the status of the EEE negotiation so do a best-guess based
2141 * on whether both Tx and Rx LPI indications have been received or
2142 * base it on the link speed, the EEE advertised speeds on both ends
2143 * and the speeds on which EEE is enabled locally.
2144 */
2145 if (((phy_data & E1000_EEE_TX_LPI_RCVD) &&
2146 (phy_data & E1000_EEE_RX_LPI_RCVD)) ||
2147 ((status & E1000_STATUS_SPEED_100) &&
2148 (edata->advertised & ADVERTISED_100baseT_Full) &&
2149 (edata->lp_advertised & ADVERTISED_100baseT_Full) &&
2150 (lpi_ctrl & I82579_LPI_CTRL_100_ENABLE)) ||
2151 ((status & E1000_STATUS_SPEED_1000) &&
2152 (edata->advertised & ADVERTISED_1000baseT_Full) &&
2153 (edata->lp_advertised & ADVERTISED_1000baseT_Full) &&
2154 (lpi_ctrl & I82579_LPI_CTRL_1000_ENABLE)))
2155 edata->eee_active = true;
2156
2157 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2158 edata->tx_lpi_enabled = true;
2159 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2160
2161 return 0;
2162}
2163
2164static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2165{
2166 struct e1000_adapter *adapter = netdev_priv(netdev);
2167 struct e1000_hw *hw = &adapter->hw;
2168 struct ethtool_eee eee_curr;
2169 s32 ret_val;
2170
2171 if (!(adapter->flags & FLAG_IS_ICH) ||
2172 !(adapter->flags2 & FLAG2_HAS_EEE))
2173 return -EOPNOTSUPP;
2174
2175 ret_val = e1000e_get_eee(netdev, &eee_curr);
2176 if (ret_val)
2177 return ret_val;
2178
2179 if (eee_curr.advertised != edata->advertised) {
2180 e_err("Setting EEE advertisement is not supported\n");
2181 return -EINVAL;
2182 }
2183
2184 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2185 e_err("Setting EEE tx-lpi is not supported\n");
2186 return -EINVAL;
2187 }
2188
2189 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2190 e_err("Setting EEE Tx LPI timer is not supported\n");
2191 return -EINVAL;
2192 }
2193
2194 if (hw->dev_spec.ich8lan.eee_disable != !edata->eee_enabled) {
2195 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2196
2197 /* reset the link */
2198 if (netif_running(netdev))
2199 e1000e_reinit_locked(adapter);
2200 else
2201 e1000e_reset(adapter);
2202 }
2203
2204 return 0;
2205}
2206
b67e1913
BA		 2207static int e1000e_get_ts_info(struct net_device *netdev,
2208 struct ethtool_ts_info *info)
2209{
2210 struct e1000_adapter *adapter = netdev_priv(netdev);
2211
2212 ethtool_op_get_ts_info(netdev, info);
2213
2214 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2215 return 0;
2216
2217 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2218 SOF_TIMESTAMPING_RX_HARDWARE |
2219 SOF_TIMESTAMPING_RAW_HARDWARE);
2220
2221 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
2222
2223 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
d89777bf
BA		 2224 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2225 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2226 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2227 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2228 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2229 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2230 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
2231 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2232 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
b67e1913
BA		 2233 (1 << HWTSTAMP_FILTER_ALL));
2234
d89777bf
BA		 2235 if (adapter->ptp_clock)
2236 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2237
b67e1913
BA		 2238 return 0;
2239}
2240
bc7f75fa
AK		 2241static const struct ethtool_ops e1000_ethtool_ops = {
2242 .get_settings = e1000_get_settings,
2243 .set_settings = e1000_set_settings,
2244 .get_drvinfo = e1000_get_drvinfo,
2245 .get_regs_len = e1000_get_regs_len,
2246 .get_regs = e1000_get_regs,
2247 .get_wol = e1000_get_wol,
2248 .set_wol = e1000_set_wol,
2249 .get_msglevel = e1000_get_msglevel,
2250 .set_msglevel = e1000_set_msglevel,
2251 .nway_reset = e1000_nway_reset,
ed4ba4b5 2252 .get_link = ethtool_op_get_link,
bc7f75fa
AK		 2253 .get_eeprom_len = e1000_get_eeprom_len,
2254 .get_eeprom = e1000_get_eeprom,
2255 .set_eeprom = e1000_set_eeprom,
2256 .get_ringparam = e1000_get_ringparam,
2257 .set_ringparam = e1000_set_ringparam,
2258 .get_pauseparam = e1000_get_pauseparam,
2259 .set_pauseparam = e1000_set_pauseparam,
bc7f75fa
AK		 2260 .self_test = e1000_diag_test,
2261 .get_strings = e1000_get_strings,
dbf80dcb 2262 .set_phys_id = e1000_set_phys_id,
bc7f75fa 2263 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2264 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2265 .get_coalesce = e1000_get_coalesce,
2266 .set_coalesce = e1000_set_coalesce,
70495a50 2267 .get_rxnfc = e1000_get_rxnfc,
b67e1913 2268 .get_ts_info = e1000e_get_ts_info,
203e4151
BA		 2269 .get_eee = e1000e_get_eee,
2270 .set_eee = e1000e_set_eee,
bc7f75fa
AK		 2271};
2272
2273void e1000e_set_ethtool_ops(struct net_device *netdev)
2274{
2275 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2276}
Linux kernel - Deliverables
This page took 0.879826 seconds and 5 git commands to generate.