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drivers/net: return operator cleanup
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
451152d9 4 Copyright(c) 1999 - 2010 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>
32#include <linux/ethtool.h>
33#include <linux/pci.h>
5a0e3ad6 34#include <linux/slab.h>
bc7f75fa
AK		 35#include <linux/delay.h>
36
37#include "e1000.h"
38
e0f36a95
AK		 39enum {NETDEV_STATS, E1000_STATS};
40
bc7f75fa
AK		 41struct e1000_stats {
42 char stat_string[ETH_GSTRING_LEN];
e0f36a95 43 int type;
bc7f75fa
AK		 44 int sizeof_stat;
45 int stat_offset;
46};
47
e0f36a95
AK		 48#define E1000_STAT(m) E1000_STATS, \
49 sizeof(((struct e1000_adapter *)0)->m), \
50 offsetof(struct e1000_adapter, m)
51#define E1000_NETDEV_STAT(m) NETDEV_STATS, \
52 sizeof(((struct net_device *)0)->m), \
53 offsetof(struct net_device, m)
54
bc7f75fa
AK		 55static const struct e1000_stats e1000_gstrings_stats[] = {
56 { "rx_packets", E1000_STAT(stats.gprc) },
57 { "tx_packets", E1000_STAT(stats.gptc) },
7c25769f
BA		 58 { "rx_bytes", E1000_STAT(stats.gorc) },
59 { "tx_bytes", E1000_STAT(stats.gotc) },
bc7f75fa
AK		 60 { "rx_broadcast", E1000_STAT(stats.bprc) },
61 { "tx_broadcast", E1000_STAT(stats.bptc) },
62 { "rx_multicast", E1000_STAT(stats.mprc) },
63 { "tx_multicast", E1000_STAT(stats.mptc) },
7274c20f
AK		 64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
bc7f75fa
AK		 67 { "multicast", E1000_STAT(stats.mprc) },
68 { "collisions", E1000_STAT(stats.colc) },
7274c20f
AK		 69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
bc7f75fa 71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
7274c20f 72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
bc7f75fa
AK		 73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
74 { "rx_missed_errors", E1000_STAT(stats.mpc) },
75 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
7274c20f
AK		 77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
bc7f75fa
AK		 79 { "tx_window_errors", E1000_STAT(stats.latecol) },
80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
81 { "tx_deferred_ok", E1000_STAT(stats.dc) },
82 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
85 { "tx_restart_queue", E1000_STAT(restart_queue) },
86 { "rx_long_length_errors", E1000_STAT(stats.roc) },
87 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
88 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
7c25769f 95 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
bc7f75fa
AK		 96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
98 { "rx_header_split", E1000_STAT(rx_hdr_split) },
99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
100 { "tx_smbus", E1000_STAT(stats.mgptc) },
101 { "rx_smbus", E1000_STAT(stats.mgprc) },
102 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
105};
106
c00acf46 107#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 108#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
109static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
110 "Register test (offline)", "Eeprom test (offline)",
111 "Interrupt test (offline)", "Loopback test (offline)",
112 "Link test (on/offline)"
113};
ad68076e 114#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 115
116static int e1000_get_settings(struct net_device *netdev,
117 struct ethtool_cmd *ecmd)
118{
119 struct e1000_adapter *adapter = netdev_priv(netdev);
120 struct e1000_hw *hw = &adapter->hw;
121
318a94d6 122 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 123
124 ecmd->supported = (SUPPORTED_10baseT_Half |
125 SUPPORTED_10baseT_Full |
126 SUPPORTED_100baseT_Half |
127 SUPPORTED_100baseT_Full |
128 SUPPORTED_1000baseT_Full |
129 SUPPORTED_Autoneg |
130 SUPPORTED_TP);
131 if (hw->phy.type == e1000_phy_ife)
132 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
133 ecmd->advertising = ADVERTISED_TP;
134
135 if (hw->mac.autoneg == 1) {
136 ecmd->advertising |= ADVERTISED_Autoneg;
137 /* the e1000 autoneg seems to match ethtool nicely */
138 ecmd->advertising |= hw->phy.autoneg_advertised;
139 }
140
141 ecmd->port = PORT_TP;
142 ecmd->phy_address = hw->phy.addr;
143 ecmd->transceiver = XCVR_INTERNAL;
144
145 } else {
146 ecmd->supported = (SUPPORTED_1000baseT_Full |
147 SUPPORTED_FIBRE |
148 SUPPORTED_Autoneg);
149
150 ecmd->advertising = (ADVERTISED_1000baseT_Full |
151 ADVERTISED_FIBRE |
152 ADVERTISED_Autoneg);
153
154 ecmd->port = PORT_FIBRE;
155 ecmd->transceiver = XCVR_EXTERNAL;
156 }
157
0c6bdb30
BA		 158 ecmd->speed = -1;
159 ecmd->duplex = -1;
160
161 if (netif_running(netdev)) {
162 if (netif_carrier_ok(netdev)) {
163 ecmd->speed = adapter->link_speed;
164 ecmd->duplex = adapter->link_duplex - 1;
165 }
bc7f75fa 166 } else {
0c6bdb30
BA		 167 u32 status = er32(STATUS);
168 if (status & E1000_STATUS_LU) {
169 if (status & E1000_STATUS_SPEED_1000)
170 ecmd->speed = 1000;
171 else if (status & E1000_STATUS_SPEED_100)
172 ecmd->speed = 100;
173 else
174 ecmd->speed = 10;
175
176 if (status & E1000_STATUS_FD)
177 ecmd->duplex = DUPLEX_FULL;
178 else
179 ecmd->duplex = DUPLEX_HALF;
180 }
bc7f75fa
AK		 181 }
182
318a94d6 183 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 184 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 185
186 /* MDI-X => 2; MDI =>1; Invalid =>0 */
187 if ((hw->phy.media_type == e1000_media_type_copper) &&
0c6bdb30 188 netif_carrier_ok(netdev))
18760f1e
CL		 189 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
190 ETH_TP_MDI;
191 else
192 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
193
bc7f75fa
AK		 194 return 0;
195}
196
369d742d
AK		 197static u32 e1000_get_link(struct net_device *netdev)
198{
199 struct e1000_adapter *adapter = netdev_priv(netdev);
0c6bdb30 200 struct e1000_hw *hw = &adapter->hw;
7ea9655f
BA		 201
202 /*
0c6bdb30
BA		 203 * Avoid touching hardware registers when possible, otherwise
204 * link negotiation can get messed up when user-level scripts
205 * are rapidly polling the driver to see if link is up.
7ea9655f 206 */
0c6bdb30
BA		 207 return netif_running(netdev) ? netif_carrier_ok(netdev) :
208 !!(er32(STATUS) & E1000_STATUS_LU);
369d742d
AK		 209}
210
bc7f75fa
AK		 211static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
212{
213 struct e1000_mac_info *mac = &adapter->hw.mac;
214
215 mac->autoneg = 0;
216
217 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 218 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
bc7f75fa 219 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
44defeb3 220 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 221 return -EINVAL;
222 }
223
224 switch (spddplx) {
225 case SPEED_10 + DUPLEX_HALF:
226 mac->forced_speed_duplex = ADVERTISE_10_HALF;
227 break;
228 case SPEED_10 + DUPLEX_FULL:
229 mac->forced_speed_duplex = ADVERTISE_10_FULL;
230 break;
231 case SPEED_100 + DUPLEX_HALF:
232 mac->forced_speed_duplex = ADVERTISE_100_HALF;
233 break;
234 case SPEED_100 + DUPLEX_FULL:
235 mac->forced_speed_duplex = ADVERTISE_100_FULL;
236 break;
237 case SPEED_1000 + DUPLEX_FULL:
238 mac->autoneg = 1;
239 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
240 break;
241 case SPEED_1000 + DUPLEX_HALF: /* not supported */
242 default:
44defeb3 243 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 244 return -EINVAL;
245 }
246 return 0;
247}
248
249static int e1000_set_settings(struct net_device *netdev,
250 struct ethtool_cmd *ecmd)
251{
252 struct e1000_adapter *adapter = netdev_priv(netdev);
253 struct e1000_hw *hw = &adapter->hw;
254
ad68076e
BA		 255 /*
256 * When SoL/IDER sessions are active, autoneg/speed/duplex
257 * cannot be changed
258 */
bc7f75fa 259 if (e1000_check_reset_block(hw)) {
44defeb3
JK		 260 e_err("Cannot change link characteristics when SoL/IDER is "
261 "active.\n");
bc7f75fa
AK		 262 return -EINVAL;
263 }
264
265 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
266 msleep(1);
267
268 if (ecmd->autoneg == AUTONEG_ENABLE) {
269 hw->mac.autoneg = 1;
318a94d6 270 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa
AK		 271 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
272 ADVERTISED_FIBRE |
273 ADVERTISED_Autoneg;
274 else
275 hw->phy.autoneg_advertised = ecmd->advertising |
276 ADVERTISED_TP |
277 ADVERTISED_Autoneg;
278 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 279 if (adapter->fc_autoneg)
5c48ef3e 280 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 281 } else {
282 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
283 clear_bit(__E1000_RESETTING, &adapter->state);
284 return -EINVAL;
285 }
286 }
287
288 /* reset the link */
289
290 if (netif_running(adapter->netdev)) {
291 e1000e_down(adapter);
292 e1000e_up(adapter);
293 } else {
294 e1000e_reset(adapter);
295 }
296
297 clear_bit(__E1000_RESETTING, &adapter->state);
298 return 0;
299}
300
301static void e1000_get_pauseparam(struct net_device *netdev,
302 struct ethtool_pauseparam *pause)
303{
304 struct e1000_adapter *adapter = netdev_priv(netdev);
305 struct e1000_hw *hw = &adapter->hw;
306
307 pause->autoneg =
308 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
309
5c48ef3e 310 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 311 pause->rx_pause = 1;
5c48ef3e 312 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 313 pause->tx_pause = 1;
5c48ef3e 314 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 315 pause->rx_pause = 1;
316 pause->tx_pause = 1;
317 }
318}
319
320static int e1000_set_pauseparam(struct net_device *netdev,
321 struct ethtool_pauseparam *pause)
322{
323 struct e1000_adapter *adapter = netdev_priv(netdev);
324 struct e1000_hw *hw = &adapter->hw;
325 int retval = 0;
326
327 adapter->fc_autoneg = pause->autoneg;
328
329 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
330 msleep(1);
331
bc7f75fa 332 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 333 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 334 if (netif_running(adapter->netdev)) {
335 e1000e_down(adapter);
336 e1000e_up(adapter);
337 } else {
338 e1000e_reset(adapter);
339 }
340 } else {
5c48ef3e
BA		 341 if (pause->rx_pause && pause->tx_pause)
342 hw->fc.requested_mode = e1000_fc_full;
343 else if (pause->rx_pause && !pause->tx_pause)
344 hw->fc.requested_mode = e1000_fc_rx_pause;
345 else if (!pause->rx_pause && pause->tx_pause)
346 hw->fc.requested_mode = e1000_fc_tx_pause;
347 else if (!pause->rx_pause && !pause->tx_pause)
348 hw->fc.requested_mode = e1000_fc_none;
349
350 hw->fc.current_mode = hw->fc.requested_mode;
351
945eb313
BA		 352 if (hw->phy.media_type == e1000_media_type_fiber) {
353 retval = hw->mac.ops.setup_link(hw);
354 /* implicit goto out */
355 } else {
356 retval = e1000e_force_mac_fc(hw);
357 if (retval)
358 goto out;
359 e1000e_set_fc_watermarks(hw);
360 }
bc7f75fa
AK		 361 }
362
945eb313 363out:
bc7f75fa
AK		 364 clear_bit(__E1000_RESETTING, &adapter->state);
365 return retval;
366}
367
368static u32 e1000_get_rx_csum(struct net_device *netdev)
369{
370 struct e1000_adapter *adapter = netdev_priv(netdev);
807540ba 371 return adapter->flags & FLAG_RX_CSUM_ENABLED;
bc7f75fa
AK		 372}
373
374static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
375{
376 struct e1000_adapter *adapter = netdev_priv(netdev);
377
378 if (data)
379 adapter->flags |= FLAG_RX_CSUM_ENABLED;
380 else
381 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
382
383 if (netif_running(netdev))
384 e1000e_reinit_locked(adapter);
385 else
386 e1000e_reset(adapter);
387 return 0;
388}
389
390static u32 e1000_get_tx_csum(struct net_device *netdev)
391{
807540ba 392 return (netdev->features & NETIF_F_HW_CSUM) != 0;
bc7f75fa
AK		 393}
394
395static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
396{
397 if (data)
398 netdev->features |= NETIF_F_HW_CSUM;
399 else
400 netdev->features &= ~NETIF_F_HW_CSUM;
401
402 return 0;
403}
404
405static int e1000_set_tso(struct net_device *netdev, u32 data)
406{
407 struct e1000_adapter *adapter = netdev_priv(netdev);
408
409 if (data) {
410 netdev->features |= NETIF_F_TSO;
411 netdev->features |= NETIF_F_TSO6;
412 } else {
413 netdev->features &= ~NETIF_F_TSO;
414 netdev->features &= ~NETIF_F_TSO6;
415 }
416
bc7f75fa
AK		 417 adapter->flags |= FLAG_TSO_FORCE;
418 return 0;
419}
420
421static u32 e1000_get_msglevel(struct net_device *netdev)
422{
423 struct e1000_adapter *adapter = netdev_priv(netdev);
424 return adapter->msg_enable;
425}
426
427static void e1000_set_msglevel(struct net_device *netdev, u32 data)
428{
429 struct e1000_adapter *adapter = netdev_priv(netdev);
430 adapter->msg_enable = data;
431}
432
433static int e1000_get_regs_len(struct net_device *netdev)
434{
435#define E1000_REGS_LEN 32 /* overestimate */
436 return E1000_REGS_LEN * sizeof(u32);
437}
438
439static void e1000_get_regs(struct net_device *netdev,
440 struct ethtool_regs *regs, void *p)
441{
442 struct e1000_adapter *adapter = netdev_priv(netdev);
443 struct e1000_hw *hw = &adapter->hw;
444 u32 *regs_buff = p;
445 u16 phy_data;
446 u8 revision_id;
447
448 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
449
450 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
451
452 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
453
454 regs_buff[0] = er32(CTRL);
455 regs_buff[1] = er32(STATUS);
456
457 regs_buff[2] = er32(RCTL);
458 regs_buff[3] = er32(RDLEN);
459 regs_buff[4] = er32(RDH);
460 regs_buff[5] = er32(RDT);
461 regs_buff[6] = er32(RDTR);
462
463 regs_buff[7] = er32(TCTL);
464 regs_buff[8] = er32(TDLEN);
465 regs_buff[9] = er32(TDH);
466 regs_buff[10] = er32(TDT);
467 regs_buff[11] = er32(TIDV);
468
469 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 470
471 /* ethtool doesn't use anything past this point, so all this
472 * code is likely legacy junk for apps that may or may not
473 * exist */
bc7f75fa
AK		 474 if (hw->phy.type == e1000_phy_m88) {
475 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
476 regs_buff[13] = (u32)phy_data; /* cable length */
477 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
478 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
479 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
480 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
481 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
482 regs_buff[18] = regs_buff[13]; /* cable polarity */
483 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
484 regs_buff[20] = regs_buff[17]; /* polarity correction */
485 /* phy receive errors */
486 regs_buff[22] = adapter->phy_stats.receive_errors;
487 regs_buff[23] = regs_buff[13]; /* mdix mode */
488 }
23033fad 489 regs_buff[21] = 0; /* was idle_errors */
bc7f75fa
AK		 490 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
491 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
492 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
493}
494
495static int e1000_get_eeprom_len(struct net_device *netdev)
496{
497 struct e1000_adapter *adapter = netdev_priv(netdev);
498 return adapter->hw.nvm.word_size * 2;
499}
500
501static int e1000_get_eeprom(struct net_device *netdev,
502 struct ethtool_eeprom *eeprom, u8 *bytes)
503{
504 struct e1000_adapter *adapter = netdev_priv(netdev);
505 struct e1000_hw *hw = &adapter->hw;
506 u16 *eeprom_buff;
507 int first_word;
508 int last_word;
509 int ret_val = 0;
510 u16 i;
511
512 if (eeprom->len == 0)
513 return -EINVAL;
514
515 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
516
517 first_word = eeprom->offset >> 1;
518 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
519
520 eeprom_buff = kmalloc(sizeof(u16) *
521 (last_word - first_word + 1), GFP_KERNEL);
522 if (!eeprom_buff)
523 return -ENOMEM;
524
525 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
526 ret_val = e1000_read_nvm(hw, first_word,
527 last_word - first_word + 1,
528 eeprom_buff);
529 } else {
530 for (i = 0; i < last_word - first_word + 1; i++) {
531 ret_val = e1000_read_nvm(hw, first_word + i, 1,
532 &eeprom_buff[i]);
e243455d 533 if (ret_val)
bc7f75fa
AK		 534 break;
535 }
536 }
537
e243455d
BA		 538 if (ret_val) {
539 /* a read error occurred, throw away the result */
8528b016
RK		 540 memset(eeprom_buff, 0xff, sizeof(u16) *
541 (last_word - first_word + 1));
e243455d
BA		 542 } else {
543 /* Device's eeprom is always little-endian, word addressable */
544 for (i = 0; i < last_word - first_word + 1; i++)
545 le16_to_cpus(&eeprom_buff[i]);
546 }
bc7f75fa
AK		 547
548 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
549 kfree(eeprom_buff);
550
551 return ret_val;
552}
553
554static int e1000_set_eeprom(struct net_device *netdev,
555 struct ethtool_eeprom *eeprom, u8 *bytes)
556{
557 struct e1000_adapter *adapter = netdev_priv(netdev);
558 struct e1000_hw *hw = &adapter->hw;
559 u16 *eeprom_buff;
560 void *ptr;
561 int max_len;
562 int first_word;
563 int last_word;
564 int ret_val = 0;
565 u16 i;
566
567 if (eeprom->len == 0)
568 return -EOPNOTSUPP;
569
570 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
571 return -EFAULT;
572
4a770358
BA		 573 if (adapter->flags & FLAG_READ_ONLY_NVM)
574 return -EINVAL;
575
bc7f75fa
AK		 576 max_len = hw->nvm.word_size * 2;
577
578 first_word = eeprom->offset >> 1;
579 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
580 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
581 if (!eeprom_buff)
582 return -ENOMEM;
583
584 ptr = (void *)eeprom_buff;
585
586 if (eeprom->offset & 1) {
587 /* need read/modify/write of first changed EEPROM word */
588 /* only the second byte of the word is being modified */
589 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
590 ptr++;
591 }
592 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
593 /* need read/modify/write of last changed EEPROM word */
594 /* only the first byte of the word is being modified */
595 ret_val = e1000_read_nvm(hw, last_word, 1,
596 &eeprom_buff[last_word - first_word]);
597
e243455d
BA		 598 if (ret_val)
599 goto out;
600
bc7f75fa
AK		 601 /* Device's eeprom is always little-endian, word addressable */
602 for (i = 0; i < last_word - first_word + 1; i++)
603 le16_to_cpus(&eeprom_buff[i]);
604
605 memcpy(ptr, bytes, eeprom->len);
606
607 for (i = 0; i < last_word - first_word + 1; i++)
608 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
609
610 ret_val = e1000_write_nvm(hw, first_word,
611 last_word - first_word + 1, eeprom_buff);
612
e243455d
BA		 613 if (ret_val)
614 goto out;
615
ad68076e
BA		 616 /*
617 * Update the checksum over the first part of the EEPROM if needed
e243455d 618 * and flush shadow RAM for applicable controllers
ad68076e 619 */
e243455d 620 if ((first_word <= NVM_CHECKSUM_REG) ||
f89271dd
BA		 621 (hw->mac.type == e1000_82583) ||
622 (hw->mac.type == e1000_82574) ||
623 (hw->mac.type == e1000_82573))
e243455d 624 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 625
e243455d 626out:
bc7f75fa
AK		 627 kfree(eeprom_buff);
628 return ret_val;
629}
630
631static void e1000_get_drvinfo(struct net_device *netdev,
632 struct ethtool_drvinfo *drvinfo)
633{
634 struct e1000_adapter *adapter = netdev_priv(netdev);
635 char firmware_version[32];
bc7f75fa
AK		 636
637 strncpy(drvinfo->driver, e1000e_driver_name, 32);
638 strncpy(drvinfo->version, e1000e_driver_version, 32);
639
ad68076e
BA		 640 /*
641 * EEPROM image version # is reported as firmware version # for
642 * PCI-E controllers
643 */
bc7f75fa 644 sprintf(firmware_version, "%d.%d-%d",
84527590
BA		 645 (adapter->eeprom_vers & 0xF000) >> 12,
646 (adapter->eeprom_vers & 0x0FF0) >> 4,
647 (adapter->eeprom_vers & 0x000F));
bc7f75fa
AK		 648
649 strncpy(drvinfo->fw_version, firmware_version, 32);
650 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 651 drvinfo->regdump_len = e1000_get_regs_len(netdev);
652 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
653}
654
655static void e1000_get_ringparam(struct net_device *netdev,
656 struct ethtool_ringparam *ring)
657{
658 struct e1000_adapter *adapter = netdev_priv(netdev);
659 struct e1000_ring *tx_ring = adapter->tx_ring;
660 struct e1000_ring *rx_ring = adapter->rx_ring;
661
662 ring->rx_max_pending = E1000_MAX_RXD;
663 ring->tx_max_pending = E1000_MAX_TXD;
664 ring->rx_mini_max_pending = 0;
665 ring->rx_jumbo_max_pending = 0;
666 ring->rx_pending = rx_ring->count;
667 ring->tx_pending = tx_ring->count;
668 ring->rx_mini_pending = 0;
669 ring->rx_jumbo_pending = 0;
670}
671
672static int e1000_set_ringparam(struct net_device *netdev,
673 struct ethtool_ringparam *ring)
674{
675 struct e1000_adapter *adapter = netdev_priv(netdev);
676 struct e1000_ring *tx_ring, *tx_old;
677 struct e1000_ring *rx_ring, *rx_old;
678 int err;
679
680 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
681 return -EINVAL;
682
683 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
684 msleep(1);
685
686 if (netif_running(adapter->netdev))
687 e1000e_down(adapter);
688
689 tx_old = adapter->tx_ring;
690 rx_old = adapter->rx_ring;
691
692 err = -ENOMEM;
693 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
694 if (!tx_ring)
695 goto err_alloc_tx;
cef8c793
BA		 696 /*
697 * use a memcpy to save any previously configured
698 * items like napi structs from having to be
699 * reinitialized
700 */
701 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 702
703 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
704 if (!rx_ring)
705 goto err_alloc_rx;
cef8c793 706 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 707
708 adapter->tx_ring = tx_ring;
709 adapter->rx_ring = rx_ring;
710
711 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
712 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
713 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
714
715 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
716 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
717 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
718
719 if (netif_running(adapter->netdev)) {
720 /* Try to get new resources before deleting old */
721 err = e1000e_setup_rx_resources(adapter);
722 if (err)
723 goto err_setup_rx;
724 err = e1000e_setup_tx_resources(adapter);
725 if (err)
726 goto err_setup_tx;
727
ad68076e
BA		 728 /*
729 * restore the old in order to free it,
730 * then add in the new
731 */
bc7f75fa
AK		 732 adapter->rx_ring = rx_old;
733 adapter->tx_ring = tx_old;
734 e1000e_free_rx_resources(adapter);
735 e1000e_free_tx_resources(adapter);
736 kfree(tx_old);
737 kfree(rx_old);
738 adapter->rx_ring = rx_ring;
739 adapter->tx_ring = tx_ring;
740 err = e1000e_up(adapter);
741 if (err)
742 goto err_setup;
743 }
744
745 clear_bit(__E1000_RESETTING, &adapter->state);
746 return 0;
747err_setup_tx:
748 e1000e_free_rx_resources(adapter);
749err_setup_rx:
750 adapter->rx_ring = rx_old;
751 adapter->tx_ring = tx_old;
752 kfree(rx_ring);
753err_alloc_rx:
754 kfree(tx_ring);
755err_alloc_tx:
756 e1000e_up(adapter);
757err_setup:
758 clear_bit(__E1000_RESETTING, &adapter->state);
759 return err;
760}
761
cef8c793
BA		 762static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
763 int reg, int offset, u32 mask, u32 write)
2a887191 764{
cef8c793 765 u32 pat, val;
2a887191
JP		 766 static const u32 test[] =
767 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 768 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 769 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 770 (test[pat] & write));
771 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
772 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 773 e_err("pattern test reg %04X failed: got 0x%08X "
774 "expected 0x%08X\n", reg + offset, val,
775 (test[pat] & write & mask));
2a887191 776 *data = reg;
cef8c793 777 return 1;
2a887191
JP		 778 }
779 }
cef8c793 780 return 0;
bc7f75fa
AK		 781}
782
2a887191
JP		 783static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
784 int reg, u32 mask, u32 write)
785{
cef8c793 786 u32 val;
2a887191 787 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 788 val = __er32(&adapter->hw, reg);
789 if ((write & mask) != (val & mask)) {
44defeb3
JK		 790 e_err("set/check reg %04X test failed: got 0x%08X "
791 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 792 *data = reg;
cef8c793 793 return 1;
2a887191 794 }
cef8c793 795 return 0;
bc7f75fa 796}
cef8c793
BA		 797#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
798 do { \
799 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
800 return 1; \
2a887191 801 } while (0)
cef8c793
BA		 802#define REG_PATTERN_TEST(reg, mask, write) \
803 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 804
cef8c793
BA		 805#define REG_SET_AND_CHECK(reg, mask, write) \
806 do { \
807 if (reg_set_and_check(adapter, data, reg, mask, write)) \
808 return 1; \
2a887191
JP		 809 } while (0)
810
bc7f75fa
AK		 811static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
812{
813 struct e1000_hw *hw = &adapter->hw;
814 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 815 u32 value;
816 u32 before;
817 u32 after;
818 u32 i;
819 u32 toggle;
a4f58f54 820 u32 mask;
bc7f75fa 821
ad68076e
BA		 822 /*
823 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 824 * Some bits that get toggled are ignored.
825 */
826 switch (mac->type) {
827 /* there are several bits on newer hardware that are r/w */
828 case e1000_82571:
829 case e1000_82572:
830 case e1000_80003es2lan:
831 toggle = 0x7FFFF3FF;
832 break;
a4f58f54 833 default:
bc7f75fa
AK		 834 toggle = 0x7FFFF033;
835 break;
bc7f75fa
AK		 836 }
837
838 before = er32(STATUS);
839 value = (er32(STATUS) & toggle);
840 ew32(STATUS, toggle);
841 after = er32(STATUS) & toggle;
842 if (value != after) {
44defeb3
JK		 843 e_err("failed STATUS register test got: 0x%08X expected: "
844 "0x%08X\n", after, value);
bc7f75fa
AK		 845 *data = 1;
846 return 1;
847 }
848 /* restore previous status */
849 ew32(STATUS, before);
850
97ac8cae 851 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 852 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
853 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
854 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
855 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
856 }
857
858 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
859 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
860 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
861 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
862 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
863 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
864 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
865 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
866 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
867 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
868
869 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
870
97ac8cae 871 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 872 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
873 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
874
8658251d
AK		 875 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
876 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 877 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 878 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
879 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
880 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 881 mask = 0x8003FFFF;
882 switch (mac->type) {
883 case e1000_ich10lan:
884 case e1000_pchlan:
d3738bb8 885 case e1000_pch2lan:
a4f58f54
BA		 886 mask |= (1 << 18);
887 break;
888 default:
889 break;
890 }
8658251d
AK		 891 for (i = 0; i < mac->rar_entry_count; i++)
892 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
a4f58f54 893 mask, 0xFFFFFFFF);
bc7f75fa
AK		 894
895 for (i = 0; i < mac->mta_reg_count; i++)
896 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
897
898 *data = 0;
899 return 0;
900}
901
902static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
903{
904 u16 temp;
905 u16 checksum = 0;
906 u16 i;
907
908 *data = 0;
909 /* Read and add up the contents of the EEPROM */
910 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
911 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
912 *data = 1;
e243455d 913 return *data;
bc7f75fa
AK		 914 }
915 checksum += temp;
916 }
917
918 /* If Checksum is not Correct return error else test passed */
919 if ((checksum != (u16) NVM_SUM) && !(*data))
920 *data = 2;
921
922 return *data;
923}
924
925static irqreturn_t e1000_test_intr(int irq, void *data)
926{
927 struct net_device *netdev = (struct net_device *) data;
928 struct e1000_adapter *adapter = netdev_priv(netdev);
929 struct e1000_hw *hw = &adapter->hw;
930
931 adapter->test_icr |= er32(ICR);
932
933 return IRQ_HANDLED;
934}
935
936static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
937{
938 struct net_device *netdev = adapter->netdev;
939 struct e1000_hw *hw = &adapter->hw;
940 u32 mask;
941 u32 shared_int = 1;
942 u32 irq = adapter->pdev->irq;
943 int i;
4662e82b
BA		 944 int ret_val = 0;
945 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 946
947 *data = 0;
948
4662e82b
BA		 949 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
950 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
951 int_mode = adapter->int_mode;
952 e1000e_reset_interrupt_capability(adapter);
953 adapter->int_mode = E1000E_INT_MODE_LEGACY;
954 e1000e_set_interrupt_capability(adapter);
955 }
bc7f75fa 956 /* Hook up test interrupt handler just for this test */
a0607fd3 957 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 958 netdev)) {
959 shared_int = 0;
a0607fd3 960 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
bc7f75fa
AK		 961 netdev->name, netdev)) {
962 *data = 1;
4662e82b
BA		 963 ret_val = -1;
964 goto out;
bc7f75fa 965 }
44defeb3 966 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 967
968 /* Disable all the interrupts */
969 ew32(IMC, 0xFFFFFFFF);
970 msleep(10);
971
972 /* Test each interrupt */
973 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 974 /* Interrupt to test */
975 mask = 1 << i;
976
f4187b56
BA		 977 if (adapter->flags & FLAG_IS_ICH) {
978 switch (mask) {
979 case E1000_ICR_RXSEQ:
980 continue;
981 case 0x00000100:
982 if (adapter->hw.mac.type == e1000_ich8lan ||
983 adapter->hw.mac.type == e1000_ich9lan)
984 continue;
985 break;
986 default:
987 break;
988 }
989 }
990
bc7f75fa 991 if (!shared_int) {
ad68076e
BA		 992 /*
993 * Disable the interrupt to be reported in
bc7f75fa
AK		 994 * the cause register and then force the same
995 * interrupt and see if one gets posted. If
996 * an interrupt was posted to the bus, the
997 * test failed.
998 */
999 adapter->test_icr = 0;
1000 ew32(IMC, mask);
1001 ew32(ICS, mask);
1002 msleep(10);
1003
1004 if (adapter->test_icr & mask) {
1005 *data = 3;
1006 break;
1007 }
1008 }
1009
ad68076e
BA		 1010 /*
1011 * Enable the interrupt to be reported in
bc7f75fa
AK		 1012 * the cause register and then force the same
1013 * interrupt and see if one gets posted. If
1014 * an interrupt was not posted to the bus, the
1015 * test failed.
1016 */
1017 adapter->test_icr = 0;
1018 ew32(IMS, mask);
1019 ew32(ICS, mask);
1020 msleep(10);
1021
1022 if (!(adapter->test_icr & mask)) {
1023 *data = 4;
1024 break;
1025 }
1026
1027 if (!shared_int) {
ad68076e
BA		 1028 /*
1029 * Disable the other interrupts to be reported in
bc7f75fa
AK		 1030 * the cause register and then force the other
1031 * interrupts and see if any get posted. If
1032 * an interrupt was posted to the bus, the
1033 * test failed.
1034 */
1035 adapter->test_icr = 0;
1036 ew32(IMC, ~mask & 0x00007FFF);
1037 ew32(ICS, ~mask & 0x00007FFF);
1038 msleep(10);
1039
1040 if (adapter->test_icr) {
1041 *data = 5;
1042 break;
1043 }
1044 }
1045 }
1046
1047 /* Disable all the interrupts */
1048 ew32(IMC, 0xFFFFFFFF);
1049 msleep(10);
1050
1051 /* Unhook test interrupt handler */
1052 free_irq(irq, netdev);
1053
4662e82b
BA		 1054out:
1055 if (int_mode == E1000E_INT_MODE_MSIX) {
1056 e1000e_reset_interrupt_capability(adapter);
1057 adapter->int_mode = int_mode;
1058 e1000e_set_interrupt_capability(adapter);
1059 }
1060
1061 return ret_val;
bc7f75fa
AK		 1062}
1063
1064static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1065{
1066 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1067 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1068 struct pci_dev *pdev = adapter->pdev;
1069 int i;
1070
1071 if (tx_ring->desc && tx_ring->buffer_info) {
1072 for (i = 0; i < tx_ring->count; i++) {
1073 if (tx_ring->buffer_info[i].dma)
0be3f55f 1074 dma_unmap_single(&pdev->dev,
bc7f75fa
AK		 1075 tx_ring->buffer_info[i].dma,
1076 tx_ring->buffer_info[i].length,
0be3f55f 1077 DMA_TO_DEVICE);
bc7f75fa
AK		 1078 if (tx_ring->buffer_info[i].skb)
1079 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1080 }
1081 }
1082
1083 if (rx_ring->desc && rx_ring->buffer_info) {
1084 for (i = 0; i < rx_ring->count; i++) {
1085 if (rx_ring->buffer_info[i].dma)
0be3f55f 1086 dma_unmap_single(&pdev->dev,
bc7f75fa 1087 rx_ring->buffer_info[i].dma,
0be3f55f 1088 2048, DMA_FROM_DEVICE);
bc7f75fa
AK		 1089 if (rx_ring->buffer_info[i].skb)
1090 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1091 }
1092 }
1093
1094 if (tx_ring->desc) {
1095 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1096 tx_ring->dma);
1097 tx_ring->desc = NULL;
1098 }
1099 if (rx_ring->desc) {
1100 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1101 rx_ring->dma);
1102 rx_ring->desc = NULL;
1103 }
1104
1105 kfree(tx_ring->buffer_info);
1106 tx_ring->buffer_info = NULL;
1107 kfree(rx_ring->buffer_info);
1108 rx_ring->buffer_info = NULL;
1109}
1110
1111static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1112{
1113 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1114 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1115 struct pci_dev *pdev = adapter->pdev;
1116 struct e1000_hw *hw = &adapter->hw;
1117 u32 rctl;
bc7f75fa
AK		 1118 int i;
1119 int ret_val;
1120
1121 /* Setup Tx descriptor ring and Tx buffers */
1122
1123 if (!tx_ring->count)
1124 tx_ring->count = E1000_DEFAULT_TXD;
1125
cef8c793
BA		 1126 tx_ring->buffer_info = kcalloc(tx_ring->count,
1127 sizeof(struct e1000_buffer),
1128 GFP_KERNEL);
1129 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1130 ret_val = 1;
1131 goto err_nomem;
1132 }
bc7f75fa
AK		 1133
1134 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1135 tx_ring->size = ALIGN(tx_ring->size, 4096);
1136 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1137 &tx_ring->dma, GFP_KERNEL);
1138 if (!tx_ring->desc) {
1139 ret_val = 2;
1140 goto err_nomem;
1141 }
bc7f75fa
AK		 1142 tx_ring->next_to_use = 0;
1143 tx_ring->next_to_clean = 0;
1144
cef8c793 1145 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1146 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1147 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1148 ew32(TDH, 0);
1149 ew32(TDT, 0);
cef8c793
BA		 1150 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1151 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1152 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1153
1154 for (i = 0; i < tx_ring->count; i++) {
1155 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1156 struct sk_buff *skb;
1157 unsigned int skb_size = 1024;
1158
1159 skb = alloc_skb(skb_size, GFP_KERNEL);
1160 if (!skb) {
1161 ret_val = 3;
1162 goto err_nomem;
1163 }
1164 skb_put(skb, skb_size);
1165 tx_ring->buffer_info[i].skb = skb;
1166 tx_ring->buffer_info[i].length = skb->len;
1167 tx_ring->buffer_info[i].dma =
0be3f55f
NN		 1168 dma_map_single(&pdev->dev, skb->data, skb->len,
1169 DMA_TO_DEVICE);
1170 if (dma_mapping_error(&pdev->dev,
1171 tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1172 ret_val = 4;
1173 goto err_nomem;
1174 }
cef8c793 1175 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1176 tx_desc->lower.data = cpu_to_le32(skb->len);
1177 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1178 E1000_TXD_CMD_IFCS |
cef8c793 1179 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1180 tx_desc->upper.data = 0;
1181 }
1182
1183 /* Setup Rx descriptor ring and Rx buffers */
1184
1185 if (!rx_ring->count)
1186 rx_ring->count = E1000_DEFAULT_RXD;
1187
cef8c793
BA		 1188 rx_ring->buffer_info = kcalloc(rx_ring->count,
1189 sizeof(struct e1000_buffer),
1190 GFP_KERNEL);
1191 if (!(rx_ring->buffer_info)) {
bc7f75fa
AK		 1192 ret_val = 5;
1193 goto err_nomem;
1194 }
bc7f75fa
AK		 1195
1196 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1197 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1198 &rx_ring->dma, GFP_KERNEL);
1199 if (!rx_ring->desc) {
1200 ret_val = 6;
1201 goto err_nomem;
1202 }
bc7f75fa
AK		 1203 rx_ring->next_to_use = 0;
1204 rx_ring->next_to_clean = 0;
1205
1206 rctl = er32(RCTL);
1207 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1208 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1209 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1210 ew32(RDLEN, rx_ring->size);
1211 ew32(RDH, 0);
1212 ew32(RDT, 0);
1213 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
cef8c793
BA		 1214 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1215 E1000_RCTL_SBP | E1000_RCTL_SECRC |
bc7f75fa
AK		 1216 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1217 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1218 ew32(RCTL, rctl);
1219
1220 for (i = 0; i < rx_ring->count; i++) {
1221 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1222 struct sk_buff *skb;
1223
1224 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1225 if (!skb) {
1226 ret_val = 7;
1227 goto err_nomem;
1228 }
1229 skb_reserve(skb, NET_IP_ALIGN);
1230 rx_ring->buffer_info[i].skb = skb;
1231 rx_ring->buffer_info[i].dma =
0be3f55f
NN		 1232 dma_map_single(&pdev->dev, skb->data, 2048,
1233 DMA_FROM_DEVICE);
1234 if (dma_mapping_error(&pdev->dev,
1235 rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1236 ret_val = 8;
1237 goto err_nomem;
1238 }
1239 rx_desc->buffer_addr =
1240 cpu_to_le64(rx_ring->buffer_info[i].dma);
1241 memset(skb->data, 0x00, skb->len);
1242 }
1243
1244 return 0;
1245
1246err_nomem:
1247 e1000_free_desc_rings(adapter);
1248 return ret_val;
1249}
1250
1251static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1252{
1253 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1254 e1e_wphy(&adapter->hw, 29, 0x001F);
1255 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1256 e1e_wphy(&adapter->hw, 29, 0x001A);
1257 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1258}
1259
1260static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1261{
1262 struct e1000_hw *hw = &adapter->hw;
1263 u32 ctrl_reg = 0;
1264 u32 stat_reg = 0;
97ac8cae 1265 u16 phy_reg = 0;
bc7f75fa 1266
318a94d6 1267 hw->mac.autoneg = 0;
bc7f75fa 1268
3af50481 1269 if (hw->phy.type == e1000_phy_ife) {
bc7f75fa
AK		 1270 /* force 100, set loopback */
1271 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1272
1273 /* Now set up the MAC to the same speed/duplex as the PHY. */
3af50481 1274 ctrl_reg = er32(CTRL);
bc7f75fa
AK		 1275 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1276 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1277 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1278 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1279 E1000_CTRL_FD); /* Force Duplex to FULL */
3af50481
BA		 1280
1281 ew32(CTRL, ctrl_reg);
1282 udelay(500);
1283
1284 return 0;
1285 }
1286
1287 /* Specific PHY configuration for loopback */
1288 switch (hw->phy.type) {
1289 case e1000_phy_m88:
1290 /* Auto-MDI/MDIX Off */
1291 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1292 /* reset to update Auto-MDI/MDIX */
1293 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1294 /* autoneg off */
1295 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1296 break;
1297 case e1000_phy_gg82563:
1298 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
cef8c793 1299 break;
97ac8cae
BA		 1300 case e1000_phy_bm:
1301 /* Set Default MAC Interface speed to 1GB */
1302 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1303 phy_reg &= ~0x0007;
1304 phy_reg |= 0x006;
1305 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1306 /* Assert SW reset for above settings to take effect */
1307 e1000e_commit_phy(hw);
1308 mdelay(1);
1309 /* Force Full Duplex */
1310 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1311 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1312 /* Set Link Up (in force link) */
1313 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1314 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1315 /* Force Link */
1316 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1317 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1318 /* Set Early Link Enable */
1319 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1320 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
3af50481
BA		 1321 break;
1322 case e1000_phy_82577:
1323 case e1000_phy_82578:
1324 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1325 e1000_configure_k1_ich8lan(hw, false);
1326 break;
d3738bb8
BA		 1327 case e1000_phy_82579:
1328 /* Disable PHY energy detect power down */
1329 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1330 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1331 /* Disable full chip energy detect */
1332 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1333 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1334 /* Enable loopback on the PHY */
1335#define I82577_PHY_LBK_CTRL 19
1336 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1337 break;
cef8c793 1338 default:
3af50481
BA		 1339 break;
1340 }
bc7f75fa 1341
3af50481
BA		 1342 /* force 1000, set loopback */
1343 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1344 mdelay(250);
cef8c793 1345
3af50481
BA		 1346 /* Now set up the MAC to the same speed/duplex as the PHY. */
1347 ctrl_reg = er32(CTRL);
1348 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1349 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1350 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1351 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1352 E1000_CTRL_FD); /* Force Duplex to FULL */
1353
1354 if (adapter->flags & FLAG_IS_ICH)
1355 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa 1356
318a94d6
JK		 1357 if (hw->phy.media_type == e1000_media_type_copper &&
1358 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1359 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1360 } else {
ad68076e
BA		 1361 /*
1362 * Set the ILOS bit on the fiber Nic if half duplex link is
1363 * detected.
1364 */
bc7f75fa
AK		 1365 stat_reg = er32(STATUS);
1366 if ((stat_reg & E1000_STATUS_FD) == 0)
1367 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1368 }
1369
1370 ew32(CTRL, ctrl_reg);
1371
ad68076e
BA		 1372 /*
1373 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1374 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1375 */
318a94d6 1376 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1377 e1000_phy_disable_receiver(adapter);
1378
1379 udelay(500);
1380
1381 return 0;
1382}
1383
1384static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1385{
1386 struct e1000_hw *hw = &adapter->hw;
1387 u32 ctrl = er32(CTRL);
1388 int link = 0;
1389
1390 /* special requirements for 82571/82572 fiber adapters */
1391
ad68076e
BA		 1392 /*
1393 * jump through hoops to make sure link is up because serdes
1394 * link is hardwired up
1395 */
bc7f75fa
AK		 1396 ctrl |= E1000_CTRL_SLU;
1397 ew32(CTRL, ctrl);
1398
1399 /* disable autoneg */
1400 ctrl = er32(TXCW);
1401 ctrl &= ~(1 << 31);
1402 ew32(TXCW, ctrl);
1403
1404 link = (er32(STATUS) & E1000_STATUS_LU);
1405
1406 if (!link) {
1407 /* set invert loss of signal */
1408 ctrl = er32(CTRL);
1409 ctrl |= E1000_CTRL_ILOS;
1410 ew32(CTRL, ctrl);
1411 }
1412
ad68076e
BA		 1413 /*
1414 * special write to serdes control register to enable SerDes analog
1415 * loopback
1416 */
bc7f75fa
AK		 1417#define E1000_SERDES_LB_ON 0x410
1418 ew32(SCTL, E1000_SERDES_LB_ON);
1419 msleep(10);
1420
1421 return 0;
1422}
1423
1424/* only call this for fiber/serdes connections to es2lan */
1425static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1426{
1427 struct e1000_hw *hw = &adapter->hw;
1428 u32 ctrlext = er32(CTRL_EXT);
1429 u32 ctrl = er32(CTRL);
1430
ad68076e
BA		 1431 /*
1432 * save CTRL_EXT to restore later, reuse an empty variable (unused
1433 * on mac_type 80003es2lan)
1434 */
bc7f75fa
AK		 1435 adapter->tx_fifo_head = ctrlext;
1436
1437 /* clear the serdes mode bits, putting the device into mac loopback */
1438 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1439 ew32(CTRL_EXT, ctrlext);
1440
1441 /* force speed to 1000/FD, link up */
1442 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1443 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1444 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1445 ew32(CTRL, ctrl);
1446
1447 /* set mac loopback */
1448 ctrl = er32(RCTL);
1449 ctrl |= E1000_RCTL_LBM_MAC;
1450 ew32(RCTL, ctrl);
1451
1452 /* set testing mode parameters (no need to reset later) */
1453#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1454#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1455 ew32(KMRNCTRLSTA,
cef8c793 1456 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1457
1458 return 0;
1459}
1460
1461static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1462{
1463 struct e1000_hw *hw = &adapter->hw;
1464 u32 rctl;
1465
318a94d6
JK		 1466 if (hw->phy.media_type == e1000_media_type_fiber ||
1467 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1468 switch (hw->mac.type) {
1469 case e1000_80003es2lan:
1470 return e1000_set_es2lan_mac_loopback(adapter);
1471 break;
1472 case e1000_82571:
1473 case e1000_82572:
1474 return e1000_set_82571_fiber_loopback(adapter);
1475 break;
1476 default:
1477 rctl = er32(RCTL);
1478 rctl |= E1000_RCTL_LBM_TCVR;
1479 ew32(RCTL, rctl);
1480 return 0;
1481 }
318a94d6 1482 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1483 return e1000_integrated_phy_loopback(adapter);
1484 }
1485
1486 return 7;
1487}
1488
1489static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1490{
1491 struct e1000_hw *hw = &adapter->hw;
1492 u32 rctl;
1493 u16 phy_reg;
1494
1495 rctl = er32(RCTL);
1496 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1497 ew32(RCTL, rctl);
1498
1499 switch (hw->mac.type) {
1500 case e1000_80003es2lan:
318a94d6
JK		 1501 if (hw->phy.media_type == e1000_media_type_fiber ||
1502 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1503 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1504 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1505 adapter->tx_fifo_head = 0;
1506 }
1507 /* fall through */
1508 case e1000_82571:
1509 case e1000_82572:
318a94d6
JK		 1510 if (hw->phy.media_type == e1000_media_type_fiber ||
1511 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1512#define E1000_SERDES_LB_OFF 0x400
1513 ew32(SCTL, E1000_SERDES_LB_OFF);
1514 msleep(10);
1515 break;
1516 }
1517 /* Fall Through */
1518 default:
1519 hw->mac.autoneg = 1;
1520 if (hw->phy.type == e1000_phy_gg82563)
1521 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1522 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1523 if (phy_reg & MII_CR_LOOPBACK) {
1524 phy_reg &= ~MII_CR_LOOPBACK;
1525 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1526 e1000e_commit_phy(hw);
1527 }
1528 break;
1529 }
1530}
1531
1532static void e1000_create_lbtest_frame(struct sk_buff *skb,
1533 unsigned int frame_size)
1534{
1535 memset(skb->data, 0xFF, frame_size);
1536 frame_size &= ~1;
1537 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1538 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1539 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1540}
1541
1542static int e1000_check_lbtest_frame(struct sk_buff *skb,
1543 unsigned int frame_size)
1544{
1545 frame_size &= ~1;
1546 if (*(skb->data + 3) == 0xFF)
1547 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1548 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1549 return 0;
1550 return 13;
1551}
1552
1553static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1554{
1555 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1556 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1557 struct pci_dev *pdev = adapter->pdev;
1558 struct e1000_hw *hw = &adapter->hw;
1559 int i, j, k, l;
1560 int lc;
1561 int good_cnt;
1562 int ret_val = 0;
1563 unsigned long time;
1564
1565 ew32(RDT, rx_ring->count - 1);
1566
ad68076e
BA		 1567 /*
1568 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1569 * The idea is to wrap the largest ring a number of times using 64
1570 * send/receive pairs during each loop
1571 */
1572
1573 if (rx_ring->count <= tx_ring->count)
1574 lc = ((tx_ring->count / 64) * 2) + 1;
1575 else
1576 lc = ((rx_ring->count / 64) * 2) + 1;
1577
1578 k = 0;
1579 l = 0;
1580 for (j = 0; j <= lc; j++) { /* loop count loop */
1581 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1582 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1583 1024);
0be3f55f 1584 dma_sync_single_for_device(&pdev->dev,
bc7f75fa
AK		 1585 tx_ring->buffer_info[k].dma,
1586 tx_ring->buffer_info[k].length,
0be3f55f 1587 DMA_TO_DEVICE);
bc7f75fa
AK		 1588 k++;
1589 if (k == tx_ring->count)
1590 k = 0;
1591 }
1592 ew32(TDT, k);
1593 msleep(200);
1594 time = jiffies; /* set the start time for the receive */
1595 good_cnt = 0;
1596 do { /* receive the sent packets */
0be3f55f 1597 dma_sync_single_for_cpu(&pdev->dev,
bc7f75fa 1598 rx_ring->buffer_info[l].dma, 2048,
0be3f55f 1599 DMA_FROM_DEVICE);
bc7f75fa
AK		 1600
1601 ret_val = e1000_check_lbtest_frame(
1602 rx_ring->buffer_info[l].skb, 1024);
1603 if (!ret_val)
1604 good_cnt++;
1605 l++;
1606 if (l == rx_ring->count)
1607 l = 0;
ad68076e
BA		 1608 /*
1609 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1610 * enough time to complete the receives, if it's
1611 * exceeded, break and error off
1612 */
1613 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1614 if (good_cnt != 64) {
1615 ret_val = 13; /* ret_val is the same as mis-compare */
1616 break;
1617 }
cef8c793 1618 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1619 ret_val = 14; /* error code for time out error */
1620 break;
1621 }
1622 } /* end loop count loop */
1623 return ret_val;
1624}
1625
1626static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1627{
ad68076e
BA		 1628 /*
1629 * PHY loopback cannot be performed if SoL/IDER
1630 * sessions are active
1631 */
bc7f75fa 1632 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1633 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1634 *data = 0;
1635 goto out;
1636 }
1637
1638 *data = e1000_setup_desc_rings(adapter);
e265522c 1639 if (*data)
bc7f75fa
AK		 1640 goto out;
1641
1642 *data = e1000_setup_loopback_test(adapter);
e265522c 1643 if (*data)
bc7f75fa
AK		 1644 goto err_loopback;
1645
1646 *data = e1000_run_loopback_test(adapter);
1647 e1000_loopback_cleanup(adapter);
1648
1649err_loopback:
1650 e1000_free_desc_rings(adapter);
1651out:
1652 return *data;
1653}
1654
1655static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1656{
1657 struct e1000_hw *hw = &adapter->hw;
1658
1659 *data = 0;
318a94d6 1660 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1661 int i = 0;
612e244c 1662 hw->mac.serdes_has_link = false;
bc7f75fa 1663
ad68076e
BA		 1664 /*
1665 * On some blade server designs, link establishment
1666 * could take as long as 2-3 minutes
1667 */
bc7f75fa
AK		 1668 do {
1669 hw->mac.ops.check_for_link(hw);
1670 if (hw->mac.serdes_has_link)
1671 return *data;
1672 msleep(20);
1673 } while (i++ < 3750);
1674
1675 *data = 1;
1676 } else {
1677 hw->mac.ops.check_for_link(hw);
1678 if (hw->mac.autoneg)
1679 msleep(4000);
1680
1681 if (!(er32(STATUS) &
1682 E1000_STATUS_LU))
1683 *data = 1;
1684 }
1685 return *data;
1686}
1687
b9f2c044 1688static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1689{
b9f2c044
JG		 1690 switch (sset) {
1691 case ETH_SS_TEST:
1692 return E1000_TEST_LEN;
1693 case ETH_SS_STATS:
1694 return E1000_STATS_LEN;
1695 default:
1696 return -EOPNOTSUPP;
1697 }
bc7f75fa
AK		 1698}
1699
1700static void e1000_diag_test(struct net_device *netdev,
1701 struct ethtool_test *eth_test, u64 *data)
1702{
1703 struct e1000_adapter *adapter = netdev_priv(netdev);
1704 u16 autoneg_advertised;
1705 u8 forced_speed_duplex;
1706 u8 autoneg;
1707 bool if_running = netif_running(netdev);
1708
1709 set_bit(__E1000_TESTING, &adapter->state);
1710 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1711 /* Offline tests */
1712
1713 /* save speed, duplex, autoneg settings */
1714 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1715 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1716 autoneg = adapter->hw.mac.autoneg;
1717
44defeb3 1718 e_info("offline testing starting\n");
bc7f75fa 1719
ad68076e
BA		 1720 /*
1721 * Link test performed before hardware reset so autoneg doesn't
1722 * interfere with test result
1723 */
bc7f75fa
AK		 1724 if (e1000_link_test(adapter, &data[4]))
1725 eth_test->flags |= ETH_TEST_FL_FAILED;
1726
1727 if (if_running)
1728 /* indicate we're in test mode */
1729 dev_close(netdev);
1730 else
1731 e1000e_reset(adapter);
1732
1733 if (e1000_reg_test(adapter, &data[0]))
1734 eth_test->flags |= ETH_TEST_FL_FAILED;
1735
1736 e1000e_reset(adapter);
1737 if (e1000_eeprom_test(adapter, &data[1]))
1738 eth_test->flags |= ETH_TEST_FL_FAILED;
1739
1740 e1000e_reset(adapter);
1741 if (e1000_intr_test(adapter, &data[2]))
1742 eth_test->flags |= ETH_TEST_FL_FAILED;
1743
1744 e1000e_reset(adapter);
1745 /* make sure the phy is powered up */
1746 e1000e_power_up_phy(adapter);
1747 if (e1000_loopback_test(adapter, &data[3]))
1748 eth_test->flags |= ETH_TEST_FL_FAILED;
1749
1750 /* restore speed, duplex, autoneg settings */
1751 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1752 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1753 adapter->hw.mac.autoneg = autoneg;
1754
1755 /* force this routine to wait until autoneg complete/timeout */
318a94d6 1756 adapter->hw.phy.autoneg_wait_to_complete = 1;
bc7f75fa 1757 e1000e_reset(adapter);
318a94d6 1758 adapter->hw.phy.autoneg_wait_to_complete = 0;
bc7f75fa
AK		 1759
1760 clear_bit(__E1000_TESTING, &adapter->state);
1761 if (if_running)
1762 dev_open(netdev);
1763 } else {
11b08be8
BA		 1764 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) {
1765 clear_bit(__E1000_TESTING, &adapter->state);
1766 dev_open(netdev);
1767 set_bit(__E1000_TESTING, &adapter->state);
1768 }
1769
44defeb3 1770 e_info("online testing starting\n");
bc7f75fa
AK		 1771 /* Online tests */
1772 if (e1000_link_test(adapter, &data[4]))
1773 eth_test->flags |= ETH_TEST_FL_FAILED;
1774
1775 /* Online tests aren't run; pass by default */
1776 data[0] = 0;
1777 data[1] = 0;
1778 data[2] = 0;
1779 data[3] = 0;
1780
11b08be8
BA		 1781 if (!if_running && (adapter->flags & FLAG_HAS_AMT))
1782 dev_close(netdev);
1783
bc7f75fa
AK		 1784 clear_bit(__E1000_TESTING, &adapter->state);
1785 }
1786 msleep_interruptible(4 * 1000);
1787}
1788
1789static void e1000_get_wol(struct net_device *netdev,
1790 struct ethtool_wolinfo *wol)
1791{
1792 struct e1000_adapter *adapter = netdev_priv(netdev);
1793
1794 wol->supported = 0;
1795 wol->wolopts = 0;
1796
6ff68026
RW		 1797 if (!(adapter->flags & FLAG_HAS_WOL) ||
1798 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1799 return;
1800
1801 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1802 WAKE_BCAST | WAKE_MAGIC |
1803 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1804
1805 /* apply any specific unsupported masks here */
1806 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1807 wol->supported &= ~WAKE_UCAST;
1808
1809 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1810 e_err("Interface does not support directed (unicast) "
1811 "frame wake-up packets\n");
bc7f75fa
AK		 1812 }
1813
1814 if (adapter->wol & E1000_WUFC_EX)
1815 wol->wolopts |= WAKE_UCAST;
1816 if (adapter->wol & E1000_WUFC_MC)
1817 wol->wolopts |= WAKE_MCAST;
1818 if (adapter->wol & E1000_WUFC_BC)
1819 wol->wolopts |= WAKE_BCAST;
1820 if (adapter->wol & E1000_WUFC_MAG)
1821 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1822 if (adapter->wol & E1000_WUFC_LNKC)
1823 wol->wolopts |= WAKE_PHY;
1824 if (adapter->wol & E1000_WUFC_ARP)
1825 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1826}
1827
1828static int e1000_set_wol(struct net_device *netdev,
1829 struct ethtool_wolinfo *wol)
1830{
1831 struct e1000_adapter *adapter = netdev_priv(netdev);
1832
6ff68026 1833 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1834 !device_can_wakeup(&adapter->pdev->dev) ||
1835 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1836 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1837 return -EOPNOTSUPP;
bc7f75fa
AK		 1838
1839 /* these settings will always override what we currently have */
1840 adapter->wol = 0;
1841
1842 if (wol->wolopts & WAKE_UCAST)
1843 adapter->wol |= E1000_WUFC_EX;
1844 if (wol->wolopts & WAKE_MCAST)
1845 adapter->wol |= E1000_WUFC_MC;
1846 if (wol->wolopts & WAKE_BCAST)
1847 adapter->wol |= E1000_WUFC_BC;
1848 if (wol->wolopts & WAKE_MAGIC)
1849 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1850 if (wol->wolopts & WAKE_PHY)
1851 adapter->wol |= E1000_WUFC_LNKC;
1852 if (wol->wolopts & WAKE_ARP)
1853 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa 1854
6ff68026
RW		 1855 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1856
bc7f75fa
AK		 1857 return 0;
1858}
1859
1860/* toggle LED 4 times per second = 2 "blinks" per second */
1861#define E1000_ID_INTERVAL (HZ/4)
1862
1863/* bit defines for adapter->led_status */
1864#define E1000_LED_ON 0
1865
a4f58f54 1866static void e1000e_led_blink_task(struct work_struct *work)
bc7f75fa 1867{
a4f58f54
BA		 1868 struct e1000_adapter *adapter = container_of(work,
1869 struct e1000_adapter, led_blink_task);
bc7f75fa
AK		 1870
1871 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1872 adapter->hw.mac.ops.led_off(&adapter->hw);
1873 else
1874 adapter->hw.mac.ops.led_on(&adapter->hw);
a4f58f54
BA		 1875}
1876
1877static void e1000_led_blink_callback(unsigned long data)
1878{
1879 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
bc7f75fa 1880
a4f58f54 1881 schedule_work(&adapter->led_blink_task);
bc7f75fa
AK		 1882 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1883}
1884
1885static int e1000_phys_id(struct net_device *netdev, u32 data)
1886{
1887 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1888 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1889
5a9147bb
SH		 1890 if (!data)
1891 data = INT_MAX;
bc7f75fa 1892
4662e82b 1893 if ((hw->phy.type == e1000_phy_ife) ||
a4f58f54 1894 (hw->mac.type == e1000_pchlan) ||
d3738bb8 1895 (hw->mac.type == e1000_pch2lan) ||
f89271dd 1896 (hw->mac.type == e1000_82583) ||
4662e82b 1897 (hw->mac.type == e1000_82574)) {
a4f58f54 1898 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
bc7f75fa
AK		 1899 if (!adapter->blink_timer.function) {
1900 init_timer(&adapter->blink_timer);
1901 adapter->blink_timer.function =
1902 e1000_led_blink_callback;
1903 adapter->blink_timer.data = (unsigned long) adapter;
1904 }
1905 mod_timer(&adapter->blink_timer, jiffies);
1906 msleep_interruptible(data * 1000);
1907 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1908 if (hw->phy.type == e1000_phy_ife)
1909 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1910 } else {
4662e82b 1911 e1000e_blink_led(hw);
bc7f75fa
AK		 1912 msleep_interruptible(data * 1000);
1913 }
1914
4662e82b 1915 hw->mac.ops.led_off(hw);
bc7f75fa 1916 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1917 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1918
1919 return 0;
1920}
1921
de5b3077
AK		 1922static int e1000_get_coalesce(struct net_device *netdev,
1923 struct ethtool_coalesce *ec)
1924{
1925 struct e1000_adapter *adapter = netdev_priv(netdev);
1926
eab2abf5 1927 if (adapter->itr_setting <= 4)
de5b3077
AK		 1928 ec->rx_coalesce_usecs = adapter->itr_setting;
1929 else
1930 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1931
1932 return 0;
1933}
1934
1935static int e1000_set_coalesce(struct net_device *netdev,
1936 struct ethtool_coalesce *ec)
1937{
1938 struct e1000_adapter *adapter = netdev_priv(netdev);
1939 struct e1000_hw *hw = &adapter->hw;
1940
1941 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
eab2abf5 1942 ((ec->rx_coalesce_usecs > 4) &&
de5b3077
AK		 1943 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1944 (ec->rx_coalesce_usecs == 2))
1945 return -EINVAL;
1946
eab2abf5
JB		 1947 if (ec->rx_coalesce_usecs == 4) {
1948 adapter->itr = adapter->itr_setting = 4;
1949 } else if (ec->rx_coalesce_usecs <= 3) {
de5b3077
AK		 1950 adapter->itr = 20000;
1951 adapter->itr_setting = ec->rx_coalesce_usecs;
1952 } else {
1953 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1954 adapter->itr_setting = adapter->itr & ~3;
1955 }
1956
1957 if (adapter->itr_setting != 0)
1958 ew32(ITR, 1000000000 / (adapter->itr * 256));
1959 else
1960 ew32(ITR, 0);
1961
1962 return 0;
1963}
1964
bc7f75fa
AK		 1965static int e1000_nway_reset(struct net_device *netdev)
1966{
1967 struct e1000_adapter *adapter = netdev_priv(netdev);
1968 if (netif_running(netdev))
1969 e1000e_reinit_locked(adapter);
1970 return 0;
1971}
1972
bc7f75fa
AK		 1973static void e1000_get_ethtool_stats(struct net_device *netdev,
1974 struct ethtool_stats *stats,
1975 u64 *data)
1976{
1977 struct e1000_adapter *adapter = netdev_priv(netdev);
1978 int i;
e0f36a95 1979 char *p = NULL;
bc7f75fa
AK		 1980
1981 e1000e_update_stats(adapter);
1982 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1983 switch (e1000_gstrings_stats[i].type) {
1984 case NETDEV_STATS:
1985 p = (char *) netdev +
1986 e1000_gstrings_stats[i].stat_offset;
1987 break;
1988 case E1000_STATS:
1989 p = (char *) adapter +
1990 e1000_gstrings_stats[i].stat_offset;
1991 break;
1992 }
1993
bc7f75fa
AK		 1994 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1995 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1996 }
1997}
1998
1999static void e1000_get_strings(struct net_device *netdev, u32 stringset,
2000 u8 *data)
2001{
2002 u8 *p = data;
2003 int i;
2004
2005 switch (stringset) {
2006 case ETH_SS_TEST:
ad68076e 2007 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 2008 break;
2009 case ETH_SS_STATS:
2010 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2011 memcpy(p, e1000_gstrings_stats[i].stat_string,
2012 ETH_GSTRING_LEN);
2013 p += ETH_GSTRING_LEN;
2014 }
2015 break;
2016 }
2017}
2018
2019static const struct ethtool_ops e1000_ethtool_ops = {
2020 .get_settings = e1000_get_settings,
2021 .set_settings = e1000_set_settings,
2022 .get_drvinfo = e1000_get_drvinfo,
2023 .get_regs_len = e1000_get_regs_len,
2024 .get_regs = e1000_get_regs,
2025 .get_wol = e1000_get_wol,
2026 .set_wol = e1000_set_wol,
2027 .get_msglevel = e1000_get_msglevel,
2028 .set_msglevel = e1000_set_msglevel,
2029 .nway_reset = e1000_nway_reset,
369d742d 2030 .get_link = e1000_get_link,
bc7f75fa
AK		 2031 .get_eeprom_len = e1000_get_eeprom_len,
2032 .get_eeprom = e1000_get_eeprom,
2033 .set_eeprom = e1000_set_eeprom,
2034 .get_ringparam = e1000_get_ringparam,
2035 .set_ringparam = e1000_set_ringparam,
2036 .get_pauseparam = e1000_get_pauseparam,
2037 .set_pauseparam = e1000_set_pauseparam,
2038 .get_rx_csum = e1000_get_rx_csum,
2039 .set_rx_csum = e1000_set_rx_csum,
2040 .get_tx_csum = e1000_get_tx_csum,
2041 .set_tx_csum = e1000_set_tx_csum,
2042 .get_sg = ethtool_op_get_sg,
2043 .set_sg = ethtool_op_set_sg,
2044 .get_tso = ethtool_op_get_tso,
2045 .set_tso = e1000_set_tso,
bc7f75fa
AK		 2046 .self_test = e1000_diag_test,
2047 .get_strings = e1000_get_strings,
2048 .phys_id = e1000_phys_id,
bc7f75fa 2049 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 2050 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 2051 .get_coalesce = e1000_get_coalesce,
2052 .set_coalesce = e1000_set_coalesce,
e7d906f7 2053 .get_flags = ethtool_op_get_flags,
bc7f75fa
AK		 2054};
2055
2056void e1000e_set_ethtool_ops(struct net_device *netdev)
2057{
2058 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2059}
kernel source for telekom puls (alcatel/mediatek)