1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2006 Intel Corporation. */
3
4 /* ethtool support for e1000 */
5
6 #include "e1000.h"
7 #include <linux/jiffies.h>
8 #include <linux/uaccess.h>
9
10 enum {NETDEV_STATS, E1000_STATS};
11
12 struct e1000_stats {
13 char stat_string[ETH_GSTRING_LEN];
14 int type;
15 int sizeof_stat;
16 int stat_offset;
17 };
18
19 #define E1000_STAT(m) E1000_STATS, \
20 sizeof(((struct e1000_adapter *)0)->m), \
21 offsetof(struct e1000_adapter, m)
22 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
23 sizeof(((struct net_device *)0)->m), \
24 offsetof(struct net_device, m)
25
26 static const struct e1000_stats e1000_gstrings_stats[] = {
27 { "rx_packets", E1000_STAT(stats.gprc) },
28 { "tx_packets", E1000_STAT(stats.gptc) },
29 { "rx_bytes", E1000_STAT(stats.gorcl) },
30 { "tx_bytes", E1000_STAT(stats.gotcl) },
31 { "rx_broadcast", E1000_STAT(stats.bprc) },
32 { "tx_broadcast", E1000_STAT(stats.bptc) },
33 { "rx_multicast", E1000_STAT(stats.mprc) },
34 { "tx_multicast", E1000_STAT(stats.mptc) },
35 { "rx_errors", E1000_STAT(stats.rxerrc) },
36 { "tx_errors", E1000_STAT(stats.txerrc) },
37 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
38 { "multicast", E1000_STAT(stats.mprc) },
39 { "collisions", E1000_STAT(stats.colc) },
40 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
41 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
42 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
43 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
44 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
45 { "rx_missed_errors", E1000_STAT(stats.mpc) },
46 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
47 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
48 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
49 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
50 { "tx_window_errors", E1000_STAT(stats.latecol) },
51 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
52 { "tx_deferred_ok", E1000_STAT(stats.dc) },
53 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
54 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
55 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
56 { "tx_restart_queue", E1000_STAT(restart_queue) },
57 { "rx_long_length_errors", E1000_STAT(stats.roc) },
58 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
59 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
60 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
61 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
62 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
63 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
64 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
65 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
66 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
67 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
68 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
69 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
70 { "tx_smbus", E1000_STAT(stats.mgptc) },
71 { "rx_smbus", E1000_STAT(stats.mgprc) },
72 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
73 };
74
75 #define E1000_QUEUE_STATS_LEN 0
76 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
77 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
78 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)", "Eeprom test (offline)",
80 "Interrupt test (offline)", "Loopback test (offline)",
81 "Link test (on/offline)"
82 };
83
84 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
85
e1000_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)86 static int e1000_get_link_ksettings(struct net_device *netdev,
87 struct ethtool_link_ksettings *cmd)
88 {
89 struct e1000_adapter *adapter = netdev_priv(netdev);
90 struct e1000_hw *hw = &adapter->hw;
91 u32 supported, advertising;
92
93 if (hw->media_type == e1000_media_type_copper) {
94 supported = (SUPPORTED_10baseT_Half |
95 SUPPORTED_10baseT_Full |
96 SUPPORTED_100baseT_Half |
97 SUPPORTED_100baseT_Full |
98 SUPPORTED_1000baseT_Full|
99 SUPPORTED_Autoneg |
100 SUPPORTED_TP);
101 advertising = ADVERTISED_TP;
102
103 if (hw->autoneg == 1) {
104 advertising |= ADVERTISED_Autoneg;
105 /* the e1000 autoneg seems to match ethtool nicely */
106 advertising |= hw->autoneg_advertised;
107 }
108
109 cmd->base.port = PORT_TP;
110 cmd->base.phy_address = hw->phy_addr;
111 } else {
112 supported = (SUPPORTED_1000baseT_Full |
113 SUPPORTED_FIBRE |
114 SUPPORTED_Autoneg);
115
116 advertising = (ADVERTISED_1000baseT_Full |
117 ADVERTISED_FIBRE |
118 ADVERTISED_Autoneg);
119
120 cmd->base.port = PORT_FIBRE;
121 }
122
123 if (er32(STATUS) & E1000_STATUS_LU) {
124 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
125 &adapter->link_duplex);
126 cmd->base.speed = adapter->link_speed;
127
128 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
129 * and HALF_DUPLEX != DUPLEX_HALF
130 */
131 if (adapter->link_duplex == FULL_DUPLEX)
132 cmd->base.duplex = DUPLEX_FULL;
133 else
134 cmd->base.duplex = DUPLEX_HALF;
135 } else {
136 cmd->base.speed = SPEED_UNKNOWN;
137 cmd->base.duplex = DUPLEX_UNKNOWN;
138 }
139
140 cmd->base.autoneg = ((hw->media_type == e1000_media_type_fiber) ||
141 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
142
143 /* MDI-X => 1; MDI => 0 */
144 if ((hw->media_type == e1000_media_type_copper) &&
145 netif_carrier_ok(netdev))
146 cmd->base.eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
147 ETH_TP_MDI_X : ETH_TP_MDI);
148 else
149 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
150
151 if (hw->mdix == AUTO_ALL_MODES)
152 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
153 else
154 cmd->base.eth_tp_mdix_ctrl = hw->mdix;
155
156 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
157 supported);
158 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
159 advertising);
160
161 return 0;
162 }
163
e1000_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * cmd)164 static int e1000_set_link_ksettings(struct net_device *netdev,
165 const struct ethtool_link_ksettings *cmd)
166 {
167 struct e1000_adapter *adapter = netdev_priv(netdev);
168 struct e1000_hw *hw = &adapter->hw;
169 u32 advertising;
170
171 ethtool_convert_link_mode_to_legacy_u32(&advertising,
172 cmd->link_modes.advertising);
173
174 /* MDI setting is only allowed when autoneg enabled because
175 * some hardware doesn't allow MDI setting when speed or
176 * duplex is forced.
177 */
178 if (cmd->base.eth_tp_mdix_ctrl) {
179 if (hw->media_type != e1000_media_type_copper)
180 return -EOPNOTSUPP;
181
182 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
183 (cmd->base.autoneg != AUTONEG_ENABLE)) {
184 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
185 return -EINVAL;
186 }
187 }
188
189 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
190 msleep(1);
191
192 if (cmd->base.autoneg == AUTONEG_ENABLE) {
193 hw->autoneg = 1;
194 if (hw->media_type == e1000_media_type_fiber)
195 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
196 ADVERTISED_FIBRE |
197 ADVERTISED_Autoneg;
198 else
199 hw->autoneg_advertised = advertising |
200 ADVERTISED_TP |
201 ADVERTISED_Autoneg;
202 } else {
203 u32 speed = cmd->base.speed;
204 /* calling this overrides forced MDI setting */
205 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
206 clear_bit(__E1000_RESETTING, &adapter->flags);
207 return -EINVAL;
208 }
209 }
210
211 /* MDI-X => 2; MDI => 1; Auto => 3 */
212 if (cmd->base.eth_tp_mdix_ctrl) {
213 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
214 hw->mdix = AUTO_ALL_MODES;
215 else
216 hw->mdix = cmd->base.eth_tp_mdix_ctrl;
217 }
218
219 /* reset the link */
220
221 if (netif_running(adapter->netdev)) {
222 e1000_down(adapter);
223 e1000_up(adapter);
224 } else {
225 e1000_reset(adapter);
226 }
227 clear_bit(__E1000_RESETTING, &adapter->flags);
228 return 0;
229 }
230
e1000_get_link(struct net_device * netdev)231 static u32 e1000_get_link(struct net_device *netdev)
232 {
233 struct e1000_adapter *adapter = netdev_priv(netdev);
234
235 /* If the link is not reported up to netdev, interrupts are disabled,
236 * and so the physical link state may have changed since we last
237 * looked. Set get_link_status to make sure that the true link
238 * state is interrogated, rather than pulling a cached and possibly
239 * stale link state from the driver.
240 */
241 if (!netif_carrier_ok(netdev))
242 adapter->hw.get_link_status = 1;
243
244 return e1000_has_link(adapter);
245 }
246
e1000_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)247 static void e1000_get_pauseparam(struct net_device *netdev,
248 struct ethtool_pauseparam *pause)
249 {
250 struct e1000_adapter *adapter = netdev_priv(netdev);
251 struct e1000_hw *hw = &adapter->hw;
252
253 pause->autoneg =
254 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
255
256 if (hw->fc == E1000_FC_RX_PAUSE) {
257 pause->rx_pause = 1;
258 } else if (hw->fc == E1000_FC_TX_PAUSE) {
259 pause->tx_pause = 1;
260 } else if (hw->fc == E1000_FC_FULL) {
261 pause->rx_pause = 1;
262 pause->tx_pause = 1;
263 }
264 }
265
e1000_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)266 static int e1000_set_pauseparam(struct net_device *netdev,
267 struct ethtool_pauseparam *pause)
268 {
269 struct e1000_adapter *adapter = netdev_priv(netdev);
270 struct e1000_hw *hw = &adapter->hw;
271 int retval = 0;
272
273 adapter->fc_autoneg = pause->autoneg;
274
275 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
276 msleep(1);
277
278 if (pause->rx_pause && pause->tx_pause)
279 hw->fc = E1000_FC_FULL;
280 else if (pause->rx_pause && !pause->tx_pause)
281 hw->fc = E1000_FC_RX_PAUSE;
282 else if (!pause->rx_pause && pause->tx_pause)
283 hw->fc = E1000_FC_TX_PAUSE;
284 else if (!pause->rx_pause && !pause->tx_pause)
285 hw->fc = E1000_FC_NONE;
286
287 hw->original_fc = hw->fc;
288
289 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
290 if (netif_running(adapter->netdev)) {
291 e1000_down(adapter);
292 e1000_up(adapter);
293 } else {
294 e1000_reset(adapter);
295 }
296 } else
297 retval = ((hw->media_type == e1000_media_type_fiber) ?
298 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
299
300 clear_bit(__E1000_RESETTING, &adapter->flags);
301 return retval;
302 }
303
e1000_get_msglevel(struct net_device * netdev)304 static u32 e1000_get_msglevel(struct net_device *netdev)
305 {
306 struct e1000_adapter *adapter = netdev_priv(netdev);
307
308 return adapter->msg_enable;
309 }
310
e1000_set_msglevel(struct net_device * netdev,u32 data)311 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
312 {
313 struct e1000_adapter *adapter = netdev_priv(netdev);
314
315 adapter->msg_enable = data;
316 }
317
e1000_get_regs_len(struct net_device * netdev)318 static int e1000_get_regs_len(struct net_device *netdev)
319 {
320 #define E1000_REGS_LEN 32
321 return E1000_REGS_LEN * sizeof(u32);
322 }
323
e1000_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)324 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
325 void *p)
326 {
327 struct e1000_adapter *adapter = netdev_priv(netdev);
328 struct e1000_hw *hw = &adapter->hw;
329 u32 *regs_buff = p;
330 u16 phy_data;
331
332 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
333
334 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
335
336 regs_buff[0] = er32(CTRL);
337 regs_buff[1] = er32(STATUS);
338
339 regs_buff[2] = er32(RCTL);
340 regs_buff[3] = er32(RDLEN);
341 regs_buff[4] = er32(RDH);
342 regs_buff[5] = er32(RDT);
343 regs_buff[6] = er32(RDTR);
344
345 regs_buff[7] = er32(TCTL);
346 regs_buff[8] = er32(TDLEN);
347 regs_buff[9] = er32(TDH);
348 regs_buff[10] = er32(TDT);
349 regs_buff[11] = er32(TIDV);
350
351 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
352 if (hw->phy_type == e1000_phy_igp) {
353 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
354 IGP01E1000_PHY_AGC_A);
355 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
356 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
357 regs_buff[13] = (u32)phy_data; /* cable length */
358 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
359 IGP01E1000_PHY_AGC_B);
360 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
361 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
362 regs_buff[14] = (u32)phy_data; /* cable length */
363 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
364 IGP01E1000_PHY_AGC_C);
365 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
366 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
367 regs_buff[15] = (u32)phy_data; /* cable length */
368 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
369 IGP01E1000_PHY_AGC_D);
370 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
371 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
372 regs_buff[16] = (u32)phy_data; /* cable length */
373 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
374 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
375 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
376 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
377 regs_buff[18] = (u32)phy_data; /* cable polarity */
378 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
379 IGP01E1000_PHY_PCS_INIT_REG);
380 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
381 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
382 regs_buff[19] = (u32)phy_data; /* cable polarity */
383 regs_buff[20] = 0; /* polarity correction enabled (always) */
384 regs_buff[22] = 0; /* phy receive errors (unavailable) */
385 regs_buff[23] = regs_buff[18]; /* mdix mode */
386 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
387 } else {
388 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
389 regs_buff[13] = (u32)phy_data; /* cable length */
390 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
391 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
392 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
393 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
394 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
395 regs_buff[18] = regs_buff[13]; /* cable polarity */
396 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
397 regs_buff[20] = regs_buff[17]; /* polarity correction */
398 /* phy receive errors */
399 regs_buff[22] = adapter->phy_stats.receive_errors;
400 regs_buff[23] = regs_buff[13]; /* mdix mode */
401 }
402 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
403 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
404 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
405 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
406 if (hw->mac_type >= e1000_82540 &&
407 hw->media_type == e1000_media_type_copper) {
408 regs_buff[26] = er32(MANC);
409 }
410 }
411
e1000_get_eeprom_len(struct net_device * netdev)412 static int e1000_get_eeprom_len(struct net_device *netdev)
413 {
414 struct e1000_adapter *adapter = netdev_priv(netdev);
415 struct e1000_hw *hw = &adapter->hw;
416
417 return hw->eeprom.word_size * 2;
418 }
419
e1000_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)420 static int e1000_get_eeprom(struct net_device *netdev,
421 struct ethtool_eeprom *eeprom, u8 *bytes)
422 {
423 struct e1000_adapter *adapter = netdev_priv(netdev);
424 struct e1000_hw *hw = &adapter->hw;
425 u16 *eeprom_buff;
426 int first_word, last_word;
427 int ret_val = 0;
428 u16 i;
429
430 if (eeprom->len == 0)
431 return -EINVAL;
432
433 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
434
435 first_word = eeprom->offset >> 1;
436 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
437
438 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
439 GFP_KERNEL);
440 if (!eeprom_buff)
441 return -ENOMEM;
442
443 if (hw->eeprom.type == e1000_eeprom_spi)
444 ret_val = e1000_read_eeprom(hw, first_word,
445 last_word - first_word + 1,
446 eeprom_buff);
447 else {
448 for (i = 0; i < last_word - first_word + 1; i++) {
449 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
450 &eeprom_buff[i]);
451 if (ret_val)
452 break;
453 }
454 }
455
456 /* Device's eeprom is always little-endian, word addressable */
457 for (i = 0; i < last_word - first_word + 1; i++)
458 le16_to_cpus(&eeprom_buff[i]);
459
460 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
461 eeprom->len);
462 kfree(eeprom_buff);
463
464 return ret_val;
465 }
466
e1000_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)467 static int e1000_set_eeprom(struct net_device *netdev,
468 struct ethtool_eeprom *eeprom, u8 *bytes)
469 {
470 struct e1000_adapter *adapter = netdev_priv(netdev);
471 struct e1000_hw *hw = &adapter->hw;
472 u16 *eeprom_buff;
473 void *ptr;
474 int max_len, first_word, last_word, ret_val = 0;
475 u16 i;
476
477 if (eeprom->len == 0)
478 return -EOPNOTSUPP;
479
480 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
481 return -EFAULT;
482
483 max_len = hw->eeprom.word_size * 2;
484
485 first_word = eeprom->offset >> 1;
486 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
487 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
488 if (!eeprom_buff)
489 return -ENOMEM;
490
491 ptr = (void *)eeprom_buff;
492
493 if (eeprom->offset & 1) {
494 /* need read/modify/write of first changed EEPROM word
495 * only the second byte of the word is being modified
496 */
497 ret_val = e1000_read_eeprom(hw, first_word, 1,
498 &eeprom_buff[0]);
499 if (ret_val)
500 goto out;
501
502 ptr++;
503 }
504 if ((eeprom->offset + eeprom->len) & 1) {
505 /* need read/modify/write of last changed EEPROM word
506 * only the first byte of the word is being modified
507 */
508 ret_val = e1000_read_eeprom(hw, last_word, 1,
509 &eeprom_buff[last_word - first_word]);
510 if (ret_val)
511 goto out;
512 }
513
514 /* Device's eeprom is always little-endian, word addressable */
515 for (i = 0; i < last_word - first_word + 1; i++)
516 le16_to_cpus(&eeprom_buff[i]);
517
518 memcpy(ptr, bytes, eeprom->len);
519
520 for (i = 0; i < last_word - first_word + 1; i++)
521 cpu_to_le16s(&eeprom_buff[i]);
522
523 ret_val = e1000_write_eeprom(hw, first_word,
524 last_word - first_word + 1, eeprom_buff);
525
526 /* Update the checksum over the first part of the EEPROM if needed */
527 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
528 e1000_update_eeprom_checksum(hw);
529
530 out:
531 kfree(eeprom_buff);
532 return ret_val;
533 }
534
e1000_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)535 static void e1000_get_drvinfo(struct net_device *netdev,
536 struct ethtool_drvinfo *drvinfo)
537 {
538 struct e1000_adapter *adapter = netdev_priv(netdev);
539
540 strscpy(drvinfo->driver, e1000_driver_name,
541 sizeof(drvinfo->driver));
542
543 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
544 sizeof(drvinfo->bus_info));
545 }
546
e1000_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)547 static void e1000_get_ringparam(struct net_device *netdev,
548 struct ethtool_ringparam *ring,
549 struct kernel_ethtool_ringparam *kernel_ring,
550 struct netlink_ext_ack *extack)
551 {
552 struct e1000_adapter *adapter = netdev_priv(netdev);
553 struct e1000_hw *hw = &adapter->hw;
554 e1000_mac_type mac_type = hw->mac_type;
555 struct e1000_tx_ring *txdr = adapter->tx_ring;
556 struct e1000_rx_ring *rxdr = adapter->rx_ring;
557
558 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
559 E1000_MAX_82544_RXD;
560 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
561 E1000_MAX_82544_TXD;
562 ring->rx_pending = rxdr->count;
563 ring->tx_pending = txdr->count;
564 }
565
e1000_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)566 static int e1000_set_ringparam(struct net_device *netdev,
567 struct ethtool_ringparam *ring,
568 struct kernel_ethtool_ringparam *kernel_ring,
569 struct netlink_ext_ack *extack)
570 {
571 struct e1000_adapter *adapter = netdev_priv(netdev);
572 struct e1000_hw *hw = &adapter->hw;
573 e1000_mac_type mac_type = hw->mac_type;
574 struct e1000_tx_ring *txdr, *tx_old;
575 struct e1000_rx_ring *rxdr, *rx_old;
576 int i, err;
577
578 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
579 return -EINVAL;
580
581 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
582 msleep(1);
583
584 if (netif_running(adapter->netdev))
585 e1000_down(adapter);
586
587 tx_old = adapter->tx_ring;
588 rx_old = adapter->rx_ring;
589
590 err = -ENOMEM;
591 txdr = kzalloc_objs(struct e1000_tx_ring, adapter->num_tx_queues);
592 if (!txdr)
593 goto err_alloc_tx;
594
595 rxdr = kzalloc_objs(struct e1000_rx_ring, adapter->num_rx_queues);
596 if (!rxdr)
597 goto err_alloc_rx;
598
599 adapter->tx_ring = txdr;
600 adapter->rx_ring = rxdr;
601
602 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
603 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
604 E1000_MAX_RXD : E1000_MAX_82544_RXD));
605 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
606 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
607 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
608 E1000_MAX_TXD : E1000_MAX_82544_TXD));
609 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
610
611 for (i = 0; i < adapter->num_tx_queues; i++)
612 txdr[i].count = txdr->count;
613 for (i = 0; i < adapter->num_rx_queues; i++)
614 rxdr[i].count = rxdr->count;
615
616 err = 0;
617 if (netif_running(adapter->netdev)) {
618 /* Try to get new resources before deleting old */
619 err = e1000_setup_all_rx_resources(adapter);
620 if (err)
621 goto err_setup_rx;
622 err = e1000_setup_all_tx_resources(adapter);
623 if (err)
624 goto err_setup_tx;
625
626 /* save the new, restore the old in order to free it,
627 * then restore the new back again
628 */
629
630 adapter->rx_ring = rx_old;
631 adapter->tx_ring = tx_old;
632 e1000_free_all_rx_resources(adapter);
633 e1000_free_all_tx_resources(adapter);
634 adapter->rx_ring = rxdr;
635 adapter->tx_ring = txdr;
636 err = e1000_up(adapter);
637 }
638 kfree(tx_old);
639 kfree(rx_old);
640
641 clear_bit(__E1000_RESETTING, &adapter->flags);
642 return err;
643
644 err_setup_tx:
645 e1000_free_all_rx_resources(adapter);
646 err_setup_rx:
647 adapter->rx_ring = rx_old;
648 adapter->tx_ring = tx_old;
649 kfree(rxdr);
650 err_alloc_rx:
651 kfree(txdr);
652 err_alloc_tx:
653 if (netif_running(adapter->netdev))
654 e1000_up(adapter);
655 clear_bit(__E1000_RESETTING, &adapter->flags);
656 return err;
657 }
658
reg_pattern_test(struct e1000_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)659 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
660 u32 mask, u32 write)
661 {
662 struct e1000_hw *hw = &adapter->hw;
663 static const u32 test[] = {
664 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
665 };
666 u8 __iomem *address = hw->hw_addr + reg;
667 u32 read;
668 int i;
669
670 for (i = 0; i < ARRAY_SIZE(test); i++) {
671 writel(write & test[i], address);
672 read = readl(address);
673 if (read != (write & test[i] & mask)) {
674 e_err(drv, "pattern test reg %04X failed: "
675 "got 0x%08X expected 0x%08X\n",
676 reg, read, (write & test[i] & mask));
677 *data = reg;
678 return true;
679 }
680 }
681 return false;
682 }
683
reg_set_and_check(struct e1000_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)684 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
685 u32 mask, u32 write)
686 {
687 struct e1000_hw *hw = &adapter->hw;
688 u8 __iomem *address = hw->hw_addr + reg;
689 u32 read;
690
691 writel(write & mask, address);
692 read = readl(address);
693 if ((read & mask) != (write & mask)) {
694 e_err(drv, "set/check reg %04X test failed: "
695 "got 0x%08X expected 0x%08X\n",
696 reg, (read & mask), (write & mask));
697 *data = reg;
698 return true;
699 }
700 return false;
701 }
702
703 #define REG_PATTERN_TEST(reg, mask, write) \
704 do { \
705 if (reg_pattern_test(adapter, data, \
706 (hw->mac_type >= e1000_82543) \
707 ? E1000_##reg : E1000_82542_##reg, \
708 mask, write)) \
709 return 1; \
710 } while (0)
711
712 #define REG_SET_AND_CHECK(reg, mask, write) \
713 do { \
714 if (reg_set_and_check(adapter, data, \
715 (hw->mac_type >= e1000_82543) \
716 ? E1000_##reg : E1000_82542_##reg, \
717 mask, write)) \
718 return 1; \
719 } while (0)
720
e1000_reg_test(struct e1000_adapter * adapter,u64 * data)721 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
722 {
723 u32 value, before, after;
724 u32 i, toggle;
725 struct e1000_hw *hw = &adapter->hw;
726
727 /* The status register is Read Only, so a write should fail.
728 * Some bits that get toggled are ignored.
729 */
730
731 /* there are several bits on newer hardware that are r/w */
732 toggle = 0xFFFFF833;
733
734 before = er32(STATUS);
735 value = (er32(STATUS) & toggle);
736 ew32(STATUS, toggle);
737 after = er32(STATUS) & toggle;
738 if (value != after) {
739 e_err(drv, "failed STATUS register test got: "
740 "0x%08X expected: 0x%08X\n", after, value);
741 *data = 1;
742 return 1;
743 }
744 /* restore previous status */
745 ew32(STATUS, before);
746
747 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
748 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
749 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
750 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
751
752 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
753 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
754 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
755 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
756 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
757 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
758 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
759 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
760 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
761 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
762
763 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
764
765 before = 0x06DFB3FE;
766 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
767 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
768
769 if (hw->mac_type >= e1000_82543) {
770 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
771 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
772 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
774 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
775 value = E1000_RAR_ENTRIES;
776 for (i = 0; i < value; i++) {
777 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
778 0x8003FFFF, 0xFFFFFFFF);
779 }
780 } else {
781 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
782 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
783 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
784 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
785 }
786
787 value = E1000_MC_TBL_SIZE;
788 for (i = 0; i < value; i++)
789 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
790
791 *data = 0;
792 return 0;
793 }
794
e1000_eeprom_test(struct e1000_adapter * adapter,u64 * data)795 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
796 {
797 struct e1000_hw *hw = &adapter->hw;
798 u16 temp;
799 u16 checksum = 0;
800 u16 i;
801
802 *data = 0;
803 /* Read and add up the contents of the EEPROM */
804 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
805 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
806 *data = 1;
807 break;
808 }
809 checksum += temp;
810 }
811
812 /* If Checksum is not Correct return error else test passed */
813 if (checksum != EEPROM_SUM && !(*data))
814 *data = 2;
815
816 return *data;
817 }
818
e1000_test_intr(int irq,void * data)819 static irqreturn_t e1000_test_intr(int irq, void *data)
820 {
821 struct net_device *netdev = (struct net_device *)data;
822 struct e1000_adapter *adapter = netdev_priv(netdev);
823 struct e1000_hw *hw = &adapter->hw;
824
825 adapter->test_icr |= er32(ICR);
826
827 return IRQ_HANDLED;
828 }
829
e1000_intr_test(struct e1000_adapter * adapter,u64 * data)830 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
831 {
832 struct net_device *netdev = adapter->netdev;
833 u32 mask, i = 0;
834 bool shared_int = true;
835 u32 irq = adapter->pdev->irq;
836 struct e1000_hw *hw = &adapter->hw;
837
838 *data = 0;
839
840 /* NOTE: we don't test MSI interrupts here, yet
841 * Hook up test interrupt handler just for this test
842 */
843 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
844 netdev))
845 shared_int = false;
846 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
847 netdev->name, netdev)) {
848 *data = 1;
849 return -1;
850 }
851 e_info(hw, "testing %s interrupt\n", (shared_int ?
852 "shared" : "unshared"));
853
854 /* Disable all the interrupts */
855 ew32(IMC, 0xFFFFFFFF);
856 E1000_WRITE_FLUSH();
857 msleep(10);
858
859 /* Test each interrupt */
860 for (; i < 10; i++) {
861 /* Interrupt to test */
862 mask = 1 << i;
863
864 if (!shared_int) {
865 /* Disable the interrupt to be reported in
866 * the cause register and then force the same
867 * interrupt and see if one gets posted. If
868 * an interrupt was posted to the bus, the
869 * test failed.
870 */
871 adapter->test_icr = 0;
872 ew32(IMC, mask);
873 ew32(ICS, mask);
874 E1000_WRITE_FLUSH();
875 msleep(10);
876
877 if (adapter->test_icr & mask) {
878 *data = 3;
879 break;
880 }
881 }
882
883 /* Enable the interrupt to be reported in
884 * the cause register and then force the same
885 * interrupt and see if one gets posted. If
886 * an interrupt was not posted to the bus, the
887 * test failed.
888 */
889 adapter->test_icr = 0;
890 ew32(IMS, mask);
891 ew32(ICS, mask);
892 E1000_WRITE_FLUSH();
893 msleep(10);
894
895 if (!(adapter->test_icr & mask)) {
896 *data = 4;
897 break;
898 }
899
900 if (!shared_int) {
901 /* Disable the other interrupts to be reported in
902 * the cause register and then force the other
903 * interrupts and see if any get posted. If
904 * an interrupt was posted to the bus, the
905 * test failed.
906 */
907 adapter->test_icr = 0;
908 ew32(IMC, ~mask & 0x00007FFF);
909 ew32(ICS, ~mask & 0x00007FFF);
910 E1000_WRITE_FLUSH();
911 msleep(10);
912
913 if (adapter->test_icr) {
914 *data = 5;
915 break;
916 }
917 }
918 }
919
920 /* Disable all the interrupts */
921 ew32(IMC, 0xFFFFFFFF);
922 E1000_WRITE_FLUSH();
923 msleep(10);
924
925 /* Unhook test interrupt handler */
926 free_irq(irq, netdev);
927
928 return *data;
929 }
930
e1000_free_desc_rings(struct e1000_adapter * adapter)931 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
932 {
933 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
934 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
935 struct pci_dev *pdev = adapter->pdev;
936 int i;
937
938 if (txdr->desc && txdr->buffer_info) {
939 for (i = 0; i < txdr->count; i++) {
940 if (txdr->buffer_info[i].dma)
941 dma_unmap_single(&pdev->dev,
942 txdr->buffer_info[i].dma,
943 txdr->buffer_info[i].length,
944 DMA_TO_DEVICE);
945 dev_kfree_skb(txdr->buffer_info[i].skb);
946 }
947 }
948
949 if (rxdr->desc && rxdr->buffer_info) {
950 for (i = 0; i < rxdr->count; i++) {
951 if (rxdr->buffer_info[i].dma)
952 dma_unmap_single(&pdev->dev,
953 rxdr->buffer_info[i].dma,
954 E1000_RXBUFFER_2048,
955 DMA_FROM_DEVICE);
956 kfree(rxdr->buffer_info[i].rxbuf.data);
957 }
958 }
959
960 if (txdr->desc) {
961 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
962 txdr->dma);
963 txdr->desc = NULL;
964 }
965 if (rxdr->desc) {
966 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
967 rxdr->dma);
968 rxdr->desc = NULL;
969 }
970
971 kfree(txdr->buffer_info);
972 txdr->buffer_info = NULL;
973 kfree(rxdr->buffer_info);
974 rxdr->buffer_info = NULL;
975 }
976
e1000_setup_desc_rings(struct e1000_adapter * adapter)977 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
978 {
979 struct e1000_hw *hw = &adapter->hw;
980 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
981 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
982 struct pci_dev *pdev = adapter->pdev;
983 u32 rctl;
984 int i, ret_val;
985
986 /* Setup Tx descriptor ring and Tx buffers */
987
988 if (!txdr->count)
989 txdr->count = E1000_DEFAULT_TXD;
990
991 txdr->buffer_info = kzalloc_objs(struct e1000_tx_buffer, txdr->count);
992 if (!txdr->buffer_info) {
993 ret_val = 1;
994 goto err_nomem;
995 }
996
997 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
998 txdr->size = ALIGN(txdr->size, 4096);
999 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1000 GFP_KERNEL);
1001 if (!txdr->desc) {
1002 ret_val = 2;
1003 goto err_nomem;
1004 }
1005 txdr->next_to_use = txdr->next_to_clean = 0;
1006
1007 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1008 ew32(TDBAH, ((u64)txdr->dma >> 32));
1009 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1010 ew32(TDH, 0);
1011 ew32(TDT, 0);
1012 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1013 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1014 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1015
1016 for (i = 0; i < txdr->count; i++) {
1017 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1018 struct sk_buff *skb;
1019 unsigned int size = 1024;
1020
1021 skb = alloc_skb(size, GFP_KERNEL);
1022 if (!skb) {
1023 ret_val = 3;
1024 goto err_nomem;
1025 }
1026 skb_put(skb, size);
1027 txdr->buffer_info[i].skb = skb;
1028 txdr->buffer_info[i].length = skb->len;
1029 txdr->buffer_info[i].dma =
1030 dma_map_single(&pdev->dev, skb->data, skb->len,
1031 DMA_TO_DEVICE);
1032 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1033 ret_val = 4;
1034 goto err_nomem;
1035 }
1036 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1037 tx_desc->lower.data = cpu_to_le32(skb->len);
1038 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1039 E1000_TXD_CMD_IFCS |
1040 E1000_TXD_CMD_RPS);
1041 tx_desc->upper.data = 0;
1042 }
1043
1044 /* Setup Rx descriptor ring and Rx buffers */
1045
1046 if (!rxdr->count)
1047 rxdr->count = E1000_DEFAULT_RXD;
1048
1049 rxdr->buffer_info = kzalloc_objs(struct e1000_rx_buffer, rxdr->count);
1050 if (!rxdr->buffer_info) {
1051 ret_val = 5;
1052 goto err_nomem;
1053 }
1054
1055 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1056 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1057 GFP_KERNEL);
1058 if (!rxdr->desc) {
1059 ret_val = 6;
1060 goto err_nomem;
1061 }
1062 rxdr->next_to_use = rxdr->next_to_clean = 0;
1063
1064 rctl = er32(RCTL);
1065 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1066 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1067 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1068 ew32(RDLEN, rxdr->size);
1069 ew32(RDH, 0);
1070 ew32(RDT, 0);
1071 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1072 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1073 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1074 ew32(RCTL, rctl);
1075
1076 for (i = 0; i < rxdr->count; i++) {
1077 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1078 u8 *buf;
1079
1080 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1081 GFP_KERNEL);
1082 if (!buf) {
1083 ret_val = 7;
1084 goto err_nomem;
1085 }
1086 rxdr->buffer_info[i].rxbuf.data = buf;
1087
1088 rxdr->buffer_info[i].dma =
1089 dma_map_single(&pdev->dev,
1090 buf + NET_SKB_PAD + NET_IP_ALIGN,
1091 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1092 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1093 ret_val = 8;
1094 goto err_nomem;
1095 }
1096 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1097 }
1098
1099 return 0;
1100
1101 err_nomem:
1102 e1000_free_desc_rings(adapter);
1103 return ret_val;
1104 }
1105
e1000_phy_disable_receiver(struct e1000_adapter * adapter)1106 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1107 {
1108 struct e1000_hw *hw = &adapter->hw;
1109
1110 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1111 e1000_write_phy_reg(hw, 29, 0x001F);
1112 e1000_write_phy_reg(hw, 30, 0x8FFC);
1113 e1000_write_phy_reg(hw, 29, 0x001A);
1114 e1000_write_phy_reg(hw, 30, 0x8FF0);
1115 }
1116
e1000_phy_reset_clk_and_crs(struct e1000_adapter * adapter)1117 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1118 {
1119 struct e1000_hw *hw = &adapter->hw;
1120 u16 phy_reg;
1121
1122 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1123 * Extended PHY Specific Control Register to 25MHz clock. This
1124 * value defaults back to a 2.5MHz clock when the PHY is reset.
1125 */
1126 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1127 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1128 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1129
1130 /* In addition, because of the s/w reset above, we need to enable
1131 * CRS on TX. This must be set for both full and half duplex
1132 * operation.
1133 */
1134 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1135 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1136 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1137 }
1138
e1000_nonintegrated_phy_loopback(struct e1000_adapter * adapter)1139 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1140 {
1141 struct e1000_hw *hw = &adapter->hw;
1142 u32 ctrl_reg;
1143 u16 phy_reg;
1144
1145 /* Setup the Device Control Register for PHY loopback test. */
1146
1147 ctrl_reg = er32(CTRL);
1148 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1149 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1150 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1151 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1152 E1000_CTRL_FD); /* Force Duplex to FULL */
1153
1154 ew32(CTRL, ctrl_reg);
1155
1156 /* Read the PHY Specific Control Register (0x10) */
1157 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1158
1159 /* Clear Auto-Crossover bits in PHY Specific Control Register
1160 * (bits 6:5).
1161 */
1162 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1163 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1164
1165 /* Perform software reset on the PHY */
1166 e1000_phy_reset(hw);
1167
1168 /* Have to setup TX_CLK and TX_CRS after software reset */
1169 e1000_phy_reset_clk_and_crs(adapter);
1170
1171 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1172
1173 /* Wait for reset to complete. */
1174 udelay(500);
1175
1176 /* Have to setup TX_CLK and TX_CRS after software reset */
1177 e1000_phy_reset_clk_and_crs(adapter);
1178
1179 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1180 e1000_phy_disable_receiver(adapter);
1181
1182 /* Set the loopback bit in the PHY control register. */
1183 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1184 phy_reg |= MII_CR_LOOPBACK;
1185 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1186
1187 /* Setup TX_CLK and TX_CRS one more time. */
1188 e1000_phy_reset_clk_and_crs(adapter);
1189
1190 /* Check Phy Configuration */
1191 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1192 if (phy_reg != 0x4100)
1193 return 9;
1194
1195 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1196 if (phy_reg != 0x0070)
1197 return 10;
1198
1199 e1000_read_phy_reg(hw, 29, &phy_reg);
1200 if (phy_reg != 0x001A)
1201 return 11;
1202
1203 return 0;
1204 }
1205
e1000_integrated_phy_loopback(struct e1000_adapter * adapter)1206 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1207 {
1208 struct e1000_hw *hw = &adapter->hw;
1209 u32 ctrl_reg = 0;
1210 u32 stat_reg = 0;
1211
1212 hw->autoneg = false;
1213
1214 if (hw->phy_type == e1000_phy_m88) {
1215 /* Auto-MDI/MDIX Off */
1216 e1000_write_phy_reg(hw,
1217 M88E1000_PHY_SPEC_CTRL, 0x0808);
1218 /* reset to update Auto-MDI/MDIX */
1219 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1220 /* autoneg off */
1221 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1222 }
1223
1224 ctrl_reg = er32(CTRL);
1225
1226 /* force 1000, set loopback */
1227 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1228
1229 /* Now set up the MAC to the same speed/duplex as the PHY. */
1230 ctrl_reg = er32(CTRL);
1231 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1232 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1233 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1234 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1235 E1000_CTRL_FD); /* Force Duplex to FULL */
1236
1237 if (hw->media_type == e1000_media_type_copper &&
1238 hw->phy_type == e1000_phy_m88)
1239 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1240 else {
1241 /* Set the ILOS bit on the fiber Nic is half
1242 * duplex link is detected.
1243 */
1244 stat_reg = er32(STATUS);
1245 if ((stat_reg & E1000_STATUS_FD) == 0)
1246 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1247 }
1248
1249 ew32(CTRL, ctrl_reg);
1250
1251 /* Disable the receiver on the PHY so when a cable is plugged in, the
1252 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1253 */
1254 if (hw->phy_type == e1000_phy_m88)
1255 e1000_phy_disable_receiver(adapter);
1256
1257 udelay(500);
1258
1259 return 0;
1260 }
1261
e1000_set_phy_loopback(struct e1000_adapter * adapter)1262 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1263 {
1264 struct e1000_hw *hw = &adapter->hw;
1265 u16 phy_reg = 0;
1266 u16 count = 0;
1267
1268 switch (hw->mac_type) {
1269 case e1000_82543:
1270 if (hw->media_type == e1000_media_type_copper) {
1271 /* Attempt to setup Loopback mode on Non-integrated PHY.
1272 * Some PHY registers get corrupted at random, so
1273 * attempt this 10 times.
1274 */
1275 while (e1000_nonintegrated_phy_loopback(adapter) &&
1276 count++ < 10);
1277 if (count < 11)
1278 return 0;
1279 }
1280 break;
1281
1282 case e1000_82544:
1283 case e1000_82540:
1284 case e1000_82545:
1285 case e1000_82545_rev_3:
1286 case e1000_82546:
1287 case e1000_82546_rev_3:
1288 case e1000_82541:
1289 case e1000_82541_rev_2:
1290 case e1000_82547:
1291 case e1000_82547_rev_2:
1292 return e1000_integrated_phy_loopback(adapter);
1293 default:
1294 /* Default PHY loopback work is to read the MII
1295 * control register and assert bit 14 (loopback mode).
1296 */
1297 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1298 phy_reg |= MII_CR_LOOPBACK;
1299 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1300 return 0;
1301 }
1302
1303 return 8;
1304 }
1305
e1000_setup_loopback_test(struct e1000_adapter * adapter)1306 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1307 {
1308 struct e1000_hw *hw = &adapter->hw;
1309 u32 rctl;
1310
1311 if (hw->media_type == e1000_media_type_fiber ||
1312 hw->media_type == e1000_media_type_internal_serdes) {
1313 switch (hw->mac_type) {
1314 case e1000_82545:
1315 case e1000_82546:
1316 case e1000_82545_rev_3:
1317 case e1000_82546_rev_3:
1318 return e1000_set_phy_loopback(adapter);
1319 default:
1320 rctl = er32(RCTL);
1321 rctl |= E1000_RCTL_LBM_TCVR;
1322 ew32(RCTL, rctl);
1323 return 0;
1324 }
1325 } else if (hw->media_type == e1000_media_type_copper) {
1326 return e1000_set_phy_loopback(adapter);
1327 }
1328
1329 return 7;
1330 }
1331
e1000_loopback_cleanup(struct e1000_adapter * adapter)1332 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1333 {
1334 struct e1000_hw *hw = &adapter->hw;
1335 u32 rctl;
1336 u16 phy_reg;
1337
1338 rctl = er32(RCTL);
1339 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1340 ew32(RCTL, rctl);
1341
1342 switch (hw->mac_type) {
1343 case e1000_82545:
1344 case e1000_82546:
1345 case e1000_82545_rev_3:
1346 case e1000_82546_rev_3:
1347 default:
1348 hw->autoneg = true;
1349 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1350 if (phy_reg & MII_CR_LOOPBACK) {
1351 phy_reg &= ~MII_CR_LOOPBACK;
1352 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1353 e1000_phy_reset(hw);
1354 }
1355 break;
1356 }
1357 }
1358
e1000_create_lbtest_frame(struct sk_buff * skb,unsigned int frame_size)1359 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1360 unsigned int frame_size)
1361 {
1362 memset(skb->data, 0xFF, frame_size);
1363 frame_size &= ~1;
1364 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1365 skb->data[frame_size / 2 + 10] = 0xBE;
1366 skb->data[frame_size / 2 + 12] = 0xAF;
1367 }
1368
e1000_check_lbtest_frame(const unsigned char * data,unsigned int frame_size)1369 static int e1000_check_lbtest_frame(const unsigned char *data,
1370 unsigned int frame_size)
1371 {
1372 frame_size &= ~1;
1373 if (*(data + 3) == 0xFF) {
1374 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1375 (*(data + frame_size / 2 + 12) == 0xAF)) {
1376 return 0;
1377 }
1378 }
1379 return 13;
1380 }
1381
e1000_run_loopback_test(struct e1000_adapter * adapter)1382 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1383 {
1384 struct e1000_hw *hw = &adapter->hw;
1385 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1386 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1387 struct pci_dev *pdev = adapter->pdev;
1388 int i, j, k, l, lc, good_cnt, ret_val = 0;
1389 unsigned long time;
1390
1391 ew32(RDT, rxdr->count - 1);
1392
1393 /* Calculate the loop count based on the largest descriptor ring
1394 * The idea is to wrap the largest ring a number of times using 64
1395 * send/receive pairs during each loop
1396 */
1397
1398 if (rxdr->count <= txdr->count)
1399 lc = ((txdr->count / 64) * 2) + 1;
1400 else
1401 lc = ((rxdr->count / 64) * 2) + 1;
1402
1403 k = l = 0;
1404 for (j = 0; j <= lc; j++) { /* loop count loop */
1405 for (i = 0; i < 64; i++) { /* send the packets */
1406 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1407 1024);
1408 dma_sync_single_for_device(&pdev->dev,
1409 txdr->buffer_info[k].dma,
1410 txdr->buffer_info[k].length,
1411 DMA_TO_DEVICE);
1412 if (unlikely(++k == txdr->count))
1413 k = 0;
1414 }
1415 ew32(TDT, k);
1416 E1000_WRITE_FLUSH();
1417 msleep(200);
1418 time = jiffies; /* set the start time for the receive */
1419 good_cnt = 0;
1420 do { /* receive the sent packets */
1421 dma_sync_single_for_cpu(&pdev->dev,
1422 rxdr->buffer_info[l].dma,
1423 E1000_RXBUFFER_2048,
1424 DMA_FROM_DEVICE);
1425
1426 ret_val = e1000_check_lbtest_frame(
1427 rxdr->buffer_info[l].rxbuf.data +
1428 NET_SKB_PAD + NET_IP_ALIGN,
1429 1024);
1430 if (!ret_val)
1431 good_cnt++;
1432 if (unlikely(++l == rxdr->count))
1433 l = 0;
1434 /* time + 20 msecs (200 msecs on 2.4) is more than
1435 * enough time to complete the receives, if it's
1436 * exceeded, break and error off
1437 */
1438 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1439
1440 if (good_cnt != 64) {
1441 ret_val = 13; /* ret_val is the same as mis-compare */
1442 break;
1443 }
1444 if (time_after_eq(jiffies, time + 2)) {
1445 ret_val = 14; /* error code for time out error */
1446 break;
1447 }
1448 } /* end loop count loop */
1449 return ret_val;
1450 }
1451
e1000_loopback_test(struct e1000_adapter * adapter,u64 * data)1452 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1453 {
1454 *data = e1000_setup_desc_rings(adapter);
1455 if (*data)
1456 goto out;
1457 *data = e1000_setup_loopback_test(adapter);
1458 if (*data)
1459 goto err_loopback;
1460 *data = e1000_run_loopback_test(adapter);
1461 e1000_loopback_cleanup(adapter);
1462
1463 err_loopback:
1464 e1000_free_desc_rings(adapter);
1465 out:
1466 return *data;
1467 }
1468
e1000_link_test(struct e1000_adapter * adapter,u64 * data)1469 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1470 {
1471 struct e1000_hw *hw = &adapter->hw;
1472 *data = 0;
1473 if (hw->media_type == e1000_media_type_internal_serdes) {
1474 int i = 0;
1475
1476 hw->serdes_has_link = false;
1477
1478 /* On some blade server designs, link establishment
1479 * could take as long as 2-3 minutes
1480 */
1481 do {
1482 e1000_check_for_link(hw);
1483 if (hw->serdes_has_link)
1484 return *data;
1485 msleep(20);
1486 } while (i++ < 3750);
1487
1488 *data = 1;
1489 } else {
1490 e1000_check_for_link(hw);
1491 if (hw->autoneg) /* if auto_neg is set wait for it */
1492 msleep(4000);
1493
1494 if (!(er32(STATUS) & E1000_STATUS_LU))
1495 *data = 1;
1496 }
1497 return *data;
1498 }
1499
e1000_get_sset_count(struct net_device * netdev,int sset)1500 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1501 {
1502 switch (sset) {
1503 case ETH_SS_TEST:
1504 return E1000_TEST_LEN;
1505 case ETH_SS_STATS:
1506 return E1000_STATS_LEN;
1507 default:
1508 return -EOPNOTSUPP;
1509 }
1510 }
1511
e1000_diag_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)1512 static void e1000_diag_test(struct net_device *netdev,
1513 struct ethtool_test *eth_test, u64 *data)
1514 {
1515 struct e1000_adapter *adapter = netdev_priv(netdev);
1516 struct e1000_hw *hw = &adapter->hw;
1517 bool if_running = netif_running(netdev);
1518
1519 set_bit(__E1000_TESTING, &adapter->flags);
1520 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1521 /* Offline tests */
1522
1523 /* save speed, duplex, autoneg settings */
1524 u16 autoneg_advertised = hw->autoneg_advertised;
1525 u8 forced_speed_duplex = hw->forced_speed_duplex;
1526 u8 autoneg = hw->autoneg;
1527
1528 e_info(hw, "offline testing starting\n");
1529
1530 /* Link test performed before hardware reset so autoneg doesn't
1531 * interfere with test result
1532 */
1533 if (e1000_link_test(adapter, &data[4]))
1534 eth_test->flags |= ETH_TEST_FL_FAILED;
1535
1536 if (if_running)
1537 /* indicate we're in test mode */
1538 e1000_close(netdev);
1539 else
1540 e1000_reset(adapter);
1541
1542 if (e1000_reg_test(adapter, &data[0]))
1543 eth_test->flags |= ETH_TEST_FL_FAILED;
1544
1545 e1000_reset(adapter);
1546 if (e1000_eeprom_test(adapter, &data[1]))
1547 eth_test->flags |= ETH_TEST_FL_FAILED;
1548
1549 e1000_reset(adapter);
1550 if (e1000_intr_test(adapter, &data[2]))
1551 eth_test->flags |= ETH_TEST_FL_FAILED;
1552
1553 e1000_reset(adapter);
1554 /* make sure the phy is powered up */
1555 e1000_power_up_phy(adapter);
1556 if (e1000_loopback_test(adapter, &data[3]))
1557 eth_test->flags |= ETH_TEST_FL_FAILED;
1558
1559 /* restore speed, duplex, autoneg settings */
1560 hw->autoneg_advertised = autoneg_advertised;
1561 hw->forced_speed_duplex = forced_speed_duplex;
1562 hw->autoneg = autoneg;
1563
1564 e1000_reset(adapter);
1565 clear_bit(__E1000_TESTING, &adapter->flags);
1566 if (if_running)
1567 e1000_open(netdev);
1568 } else {
1569 e_info(hw, "online testing starting\n");
1570 /* Online tests */
1571 if (e1000_link_test(adapter, &data[4]))
1572 eth_test->flags |= ETH_TEST_FL_FAILED;
1573
1574 /* Online tests aren't run; pass by default */
1575 data[0] = 0;
1576 data[1] = 0;
1577 data[2] = 0;
1578 data[3] = 0;
1579
1580 clear_bit(__E1000_TESTING, &adapter->flags);
1581 }
1582 msleep_interruptible(4 * 1000);
1583 }
1584
e1000_wol_exclusion(struct e1000_adapter * adapter,struct ethtool_wolinfo * wol)1585 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1586 struct ethtool_wolinfo *wol)
1587 {
1588 struct e1000_hw *hw = &adapter->hw;
1589 int retval = 1; /* fail by default */
1590
1591 switch (hw->device_id) {
1592 case E1000_DEV_ID_82542:
1593 case E1000_DEV_ID_82543GC_FIBER:
1594 case E1000_DEV_ID_82543GC_COPPER:
1595 case E1000_DEV_ID_82544EI_FIBER:
1596 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1597 case E1000_DEV_ID_82545EM_FIBER:
1598 case E1000_DEV_ID_82545EM_COPPER:
1599 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1600 case E1000_DEV_ID_82546GB_PCIE:
1601 /* these don't support WoL at all */
1602 wol->supported = 0;
1603 break;
1604 case E1000_DEV_ID_82546EB_FIBER:
1605 case E1000_DEV_ID_82546GB_FIBER:
1606 /* Wake events not supported on port B */
1607 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1608 wol->supported = 0;
1609 break;
1610 }
1611 /* return success for non excluded adapter ports */
1612 retval = 0;
1613 break;
1614 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1615 /* quad port adapters only support WoL on port A */
1616 if (!adapter->quad_port_a) {
1617 wol->supported = 0;
1618 break;
1619 }
1620 /* return success for non excluded adapter ports */
1621 retval = 0;
1622 break;
1623 default:
1624 /* dual port cards only support WoL on port A from now on
1625 * unless it was enabled in the eeprom for port B
1626 * so exclude FUNC_1 ports from having WoL enabled
1627 */
1628 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1629 !adapter->eeprom_wol) {
1630 wol->supported = 0;
1631 break;
1632 }
1633
1634 retval = 0;
1635 }
1636
1637 return retval;
1638 }
1639
e1000_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1640 static void e1000_get_wol(struct net_device *netdev,
1641 struct ethtool_wolinfo *wol)
1642 {
1643 struct e1000_adapter *adapter = netdev_priv(netdev);
1644 struct e1000_hw *hw = &adapter->hw;
1645
1646 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1647 wol->wolopts = 0;
1648
1649 /* this function will set ->supported = 0 and return 1 if wol is not
1650 * supported by this hardware
1651 */
1652 if (e1000_wol_exclusion(adapter, wol) ||
1653 !device_can_wakeup(&adapter->pdev->dev))
1654 return;
1655
1656 /* apply any specific unsupported masks here */
1657 switch (hw->device_id) {
1658 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1659 /* KSP3 does not support UCAST wake-ups */
1660 wol->supported &= ~WAKE_UCAST;
1661
1662 if (adapter->wol & E1000_WUFC_EX)
1663 e_err(drv, "Interface does not support directed "
1664 "(unicast) frame wake-up packets\n");
1665 break;
1666 default:
1667 break;
1668 }
1669
1670 if (adapter->wol & E1000_WUFC_EX)
1671 wol->wolopts |= WAKE_UCAST;
1672 if (adapter->wol & E1000_WUFC_MC)
1673 wol->wolopts |= WAKE_MCAST;
1674 if (adapter->wol & E1000_WUFC_BC)
1675 wol->wolopts |= WAKE_BCAST;
1676 if (adapter->wol & E1000_WUFC_MAG)
1677 wol->wolopts |= WAKE_MAGIC;
1678 }
1679
e1000_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1680 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1681 {
1682 struct e1000_adapter *adapter = netdev_priv(netdev);
1683 struct e1000_hw *hw = &adapter->hw;
1684
1685 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1686 return -EOPNOTSUPP;
1687
1688 if (e1000_wol_exclusion(adapter, wol) ||
1689 !device_can_wakeup(&adapter->pdev->dev))
1690 return wol->wolopts ? -EOPNOTSUPP : 0;
1691
1692 switch (hw->device_id) {
1693 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1694 if (wol->wolopts & WAKE_UCAST) {
1695 e_err(drv, "Interface does not support directed "
1696 "(unicast) frame wake-up packets\n");
1697 return -EOPNOTSUPP;
1698 }
1699 break;
1700 default:
1701 break;
1702 }
1703
1704 /* these settings will always override what we currently have */
1705 adapter->wol = 0;
1706
1707 if (wol->wolopts & WAKE_UCAST)
1708 adapter->wol |= E1000_WUFC_EX;
1709 if (wol->wolopts & WAKE_MCAST)
1710 adapter->wol |= E1000_WUFC_MC;
1711 if (wol->wolopts & WAKE_BCAST)
1712 adapter->wol |= E1000_WUFC_BC;
1713 if (wol->wolopts & WAKE_MAGIC)
1714 adapter->wol |= E1000_WUFC_MAG;
1715
1716 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1717
1718 return 0;
1719 }
1720
e1000_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1721 static int e1000_set_phys_id(struct net_device *netdev,
1722 enum ethtool_phys_id_state state)
1723 {
1724 struct e1000_adapter *adapter = netdev_priv(netdev);
1725 struct e1000_hw *hw = &adapter->hw;
1726
1727 switch (state) {
1728 case ETHTOOL_ID_ACTIVE:
1729 e1000_setup_led(hw);
1730 return 2;
1731
1732 case ETHTOOL_ID_ON:
1733 e1000_led_on(hw);
1734 break;
1735
1736 case ETHTOOL_ID_OFF:
1737 e1000_led_off(hw);
1738 break;
1739
1740 case ETHTOOL_ID_INACTIVE:
1741 e1000_cleanup_led(hw);
1742 }
1743
1744 return 0;
1745 }
1746
e1000_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1747 static int e1000_get_coalesce(struct net_device *netdev,
1748 struct ethtool_coalesce *ec,
1749 struct kernel_ethtool_coalesce *kernel_coal,
1750 struct netlink_ext_ack *extack)
1751 {
1752 struct e1000_adapter *adapter = netdev_priv(netdev);
1753
1754 if (adapter->hw.mac_type < e1000_82545)
1755 return -EOPNOTSUPP;
1756
1757 if (adapter->itr_setting <= 4)
1758 ec->rx_coalesce_usecs = adapter->itr_setting;
1759 else
1760 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1761
1762 return 0;
1763 }
1764
e1000_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1765 static int e1000_set_coalesce(struct net_device *netdev,
1766 struct ethtool_coalesce *ec,
1767 struct kernel_ethtool_coalesce *kernel_coal,
1768 struct netlink_ext_ack *extack)
1769 {
1770 struct e1000_adapter *adapter = netdev_priv(netdev);
1771 struct e1000_hw *hw = &adapter->hw;
1772
1773 if (hw->mac_type < e1000_82545)
1774 return -EOPNOTSUPP;
1775
1776 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1777 ((ec->rx_coalesce_usecs > 4) &&
1778 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1779 (ec->rx_coalesce_usecs == 2))
1780 return -EINVAL;
1781
1782 if (ec->rx_coalesce_usecs == 4) {
1783 adapter->itr = adapter->itr_setting = 4;
1784 } else if (ec->rx_coalesce_usecs <= 3) {
1785 adapter->itr = 20000;
1786 adapter->itr_setting = ec->rx_coalesce_usecs;
1787 } else {
1788 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1789 adapter->itr_setting = adapter->itr & ~3;
1790 }
1791
1792 if (adapter->itr_setting != 0)
1793 ew32(ITR, 1000000000 / (adapter->itr * 256));
1794 else
1795 ew32(ITR, 0);
1796
1797 return 0;
1798 }
1799
e1000_nway_reset(struct net_device * netdev)1800 static int e1000_nway_reset(struct net_device *netdev)
1801 {
1802 struct e1000_adapter *adapter = netdev_priv(netdev);
1803
1804 if (netif_running(netdev))
1805 e1000_reinit_locked(adapter);
1806 return 0;
1807 }
1808
e1000_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1809 static void e1000_get_ethtool_stats(struct net_device *netdev,
1810 struct ethtool_stats *stats, u64 *data)
1811 {
1812 struct e1000_adapter *adapter = netdev_priv(netdev);
1813 int i;
1814 const struct e1000_stats *stat = e1000_gstrings_stats;
1815
1816 e1000_update_stats(adapter);
1817 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
1818 char *p;
1819
1820 switch (stat->type) {
1821 case NETDEV_STATS:
1822 p = (char *)netdev + stat->stat_offset;
1823 break;
1824 case E1000_STATS:
1825 p = (char *)adapter + stat->stat_offset;
1826 break;
1827 default:
1828 netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n",
1829 stat->type, i);
1830 continue;
1831 }
1832
1833 if (stat->sizeof_stat == sizeof(u64))
1834 data[i] = *(u64 *)p;
1835 else
1836 data[i] = *(u32 *)p;
1837 }
1838 /* BUG_ON(i != E1000_STATS_LEN); */
1839 }
1840
e1000_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1841 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1842 u8 *data)
1843 {
1844 u8 *p = data;
1845 int i;
1846
1847 switch (stringset) {
1848 case ETH_SS_TEST:
1849 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1850 break;
1851 case ETH_SS_STATS:
1852 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1853 memcpy(p, e1000_gstrings_stats[i].stat_string,
1854 ETH_GSTRING_LEN);
1855 p += ETH_GSTRING_LEN;
1856 }
1857 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1858 break;
1859 }
1860 }
1861
1862 static const struct ethtool_ops e1000_ethtool_ops = {
1863 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
1864 .get_drvinfo = e1000_get_drvinfo,
1865 .get_regs_len = e1000_get_regs_len,
1866 .get_regs = e1000_get_regs,
1867 .get_wol = e1000_get_wol,
1868 .set_wol = e1000_set_wol,
1869 .get_msglevel = e1000_get_msglevel,
1870 .set_msglevel = e1000_set_msglevel,
1871 .nway_reset = e1000_nway_reset,
1872 .get_link = e1000_get_link,
1873 .get_eeprom_len = e1000_get_eeprom_len,
1874 .get_eeprom = e1000_get_eeprom,
1875 .set_eeprom = e1000_set_eeprom,
1876 .get_ringparam = e1000_get_ringparam,
1877 .set_ringparam = e1000_set_ringparam,
1878 .get_pauseparam = e1000_get_pauseparam,
1879 .set_pauseparam = e1000_set_pauseparam,
1880 .self_test = e1000_diag_test,
1881 .get_strings = e1000_get_strings,
1882 .set_phys_id = e1000_set_phys_id,
1883 .get_ethtool_stats = e1000_get_ethtool_stats,
1884 .get_sset_count = e1000_get_sset_count,
1885 .get_coalesce = e1000_get_coalesce,
1886 .set_coalesce = e1000_set_coalesce,
1887 .get_ts_info = ethtool_op_get_ts_info,
1888 .get_link_ksettings = e1000_get_link_ksettings,
1889 .set_link_ksettings = e1000_set_link_ksettings,
1890 };
1891
e1000_set_ethtool_ops(struct net_device * netdev)1892 void e1000_set_ethtool_ops(struct net_device *netdev)
1893 {
1894 netdev->ethtool_ops = &e1000_ethtool_ops;
1895 }
1896