Loading...
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4#include <linux/pci.h>
5#include <linux/delay.h>
6#include <linux/sched.h>
7
8#include "ixgbe.h"
9#include "ixgbe_mbx.h"
10#include "ixgbe_phy.h"
11
12#define IXGBE_82598_MAX_TX_QUEUES 32
13#define IXGBE_82598_MAX_RX_QUEUES 64
14#define IXGBE_82598_RAR_ENTRIES 16
15#define IXGBE_82598_MC_TBL_SIZE 128
16#define IXGBE_82598_VFT_TBL_SIZE 128
17#define IXGBE_82598_RX_PB_SIZE 512
18
19static int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
20 ixgbe_link_speed speed,
21 bool autoneg_wait_to_complete);
22static int ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
23 u8 *eeprom_data);
24
25/**
26 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
27 * @hw: pointer to the HW structure
28 *
29 * The defaults for 82598 should be in the range of 50us to 50ms,
30 * however the hardware default for these parts is 500us to 1ms which is less
31 * than the 10ms recommended by the pci-e spec. To address this we need to
32 * increase the value to either 10ms to 250ms for capability version 1 config,
33 * or 16ms to 55ms for version 2.
34 **/
35static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
36{
37 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
38 u16 pcie_devctl2;
39
40 if (ixgbe_removed(hw->hw_addr))
41 return;
42
43 /* only take action if timeout value is defaulted to 0 */
44 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
45 goto out;
46
47 /*
48 * if capababilities version is type 1 we can write the
49 * timeout of 10ms to 250ms through the GCR register
50 */
51 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
52 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
53 goto out;
54 }
55
56 /*
57 * for version 2 capabilities we need to write the config space
58 * directly in order to set the completion timeout value for
59 * 16ms to 55ms
60 */
61 pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2);
62 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
63 ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
64out:
65 /* disable completion timeout resend */
66 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
67 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
68}
69
70static int ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
71{
72 struct ixgbe_mac_info *mac = &hw->mac;
73
74 /* Call PHY identify routine to get the phy type */
75 ixgbe_identify_phy_generic(hw);
76
77 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
78 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
79 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
80 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE;
81 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
82 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
83 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
84
85 return 0;
86}
87
88/**
89 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
90 * @hw: pointer to hardware structure
91 *
92 * Initialize any function pointers that were not able to be
93 * set during get_invariants because the PHY/SFP type was
94 * not known. Perform the SFP init if necessary.
95 *
96 **/
97static int ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
98{
99 struct ixgbe_mac_info *mac = &hw->mac;
100 struct ixgbe_phy_info *phy = &hw->phy;
101 u16 list_offset, data_offset;
102 int ret_val;
103
104 /* Identify the PHY */
105 phy->ops.identify(hw);
106
107 /* Overwrite the link function pointers if copper PHY */
108 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
109 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
110 mac->ops.get_link_capabilities =
111 &ixgbe_get_copper_link_capabilities_generic;
112 }
113
114 switch (hw->phy.type) {
115 case ixgbe_phy_tn:
116 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
117 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
118 break;
119 case ixgbe_phy_nl:
120 phy->ops.reset = &ixgbe_reset_phy_nl;
121
122 /* Call SFP+ identify routine to get the SFP+ module type */
123 ret_val = phy->ops.identify_sfp(hw);
124 if (ret_val)
125 return ret_val;
126 if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
127 return -EOPNOTSUPP;
128
129 /* Check to see if SFP+ module is supported */
130 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
131 &list_offset,
132 &data_offset);
133 if (ret_val)
134 return -EOPNOTSUPP;
135 break;
136 default:
137 break;
138 }
139
140 return 0;
141}
142
143/**
144 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
145 * @hw: pointer to hardware structure
146 *
147 * Starts the hardware using the generic start_hw function.
148 * Disables relaxed ordering for archs other than SPARC
149 * Then set pcie completion timeout
150 *
151 **/
152static int ixgbe_start_hw_82598(struct ixgbe_hw *hw)
153{
154 int ret_val;
155
156 ret_val = ixgbe_start_hw_generic(hw);
157 if (ret_val)
158 return ret_val;
159
160 /* set the completion timeout for interface */
161 ixgbe_set_pcie_completion_timeout(hw);
162
163 return 0;
164}
165
166/**
167 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
168 * @hw: pointer to hardware structure
169 * @speed: pointer to link speed
170 * @autoneg: boolean auto-negotiation value
171 *
172 * Determines the link capabilities by reading the AUTOC register.
173 **/
174static int ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
175 ixgbe_link_speed *speed,
176 bool *autoneg)
177{
178 u32 autoc = 0;
179
180 /*
181 * Determine link capabilities based on the stored value of AUTOC,
182 * which represents EEPROM defaults. If AUTOC value has not been
183 * stored, use the current register value.
184 */
185 if (hw->mac.orig_link_settings_stored)
186 autoc = hw->mac.orig_autoc;
187 else
188 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
189
190 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
191 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
192 *speed = IXGBE_LINK_SPEED_1GB_FULL;
193 *autoneg = false;
194 break;
195
196 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
197 *speed = IXGBE_LINK_SPEED_10GB_FULL;
198 *autoneg = false;
199 break;
200
201 case IXGBE_AUTOC_LMS_1G_AN:
202 *speed = IXGBE_LINK_SPEED_1GB_FULL;
203 *autoneg = true;
204 break;
205
206 case IXGBE_AUTOC_LMS_KX4_AN:
207 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
208 *speed = IXGBE_LINK_SPEED_UNKNOWN;
209 if (autoc & IXGBE_AUTOC_KX4_SUPP)
210 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
211 if (autoc & IXGBE_AUTOC_KX_SUPP)
212 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
213 *autoneg = true;
214 break;
215
216 default:
217 return -EIO;
218 }
219
220 return 0;
221}
222
223/**
224 * ixgbe_get_media_type_82598 - Determines media type
225 * @hw: pointer to hardware structure
226 *
227 * Returns the media type (fiber, copper, backplane)
228 **/
229static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
230{
231 /* Detect if there is a copper PHY attached. */
232 switch (hw->phy.type) {
233 case ixgbe_phy_cu_unknown:
234 case ixgbe_phy_tn:
235 return ixgbe_media_type_copper;
236
237 default:
238 break;
239 }
240
241 /* Media type for I82598 is based on device ID */
242 switch (hw->device_id) {
243 case IXGBE_DEV_ID_82598:
244 case IXGBE_DEV_ID_82598_BX:
245 /* Default device ID is mezzanine card KX/KX4 */
246 return ixgbe_media_type_backplane;
247
248 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
249 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
250 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
251 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
252 case IXGBE_DEV_ID_82598EB_XF_LR:
253 case IXGBE_DEV_ID_82598EB_SFP_LOM:
254 return ixgbe_media_type_fiber;
255
256 case IXGBE_DEV_ID_82598EB_CX4:
257 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
258 return ixgbe_media_type_cx4;
259
260 case IXGBE_DEV_ID_82598AT:
261 case IXGBE_DEV_ID_82598AT2:
262 return ixgbe_media_type_copper;
263
264 default:
265 return ixgbe_media_type_unknown;
266 }
267}
268
269/**
270 * ixgbe_fc_enable_82598 - Enable flow control
271 * @hw: pointer to hardware structure
272 *
273 * Enable flow control according to the current settings.
274 **/
275static int ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
276{
277 u32 fctrl_reg;
278 u32 rmcs_reg;
279 u32 reg;
280 u32 fcrtl, fcrth;
281 u32 link_speed = 0;
282 int i;
283 bool link_up;
284
285 /* Validate the water mark configuration */
286 if (!hw->fc.pause_time)
287 return -EINVAL;
288
289 /* Low water mark of zero causes XOFF floods */
290 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
291 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
292 hw->fc.high_water[i]) {
293 if (!hw->fc.low_water[i] ||
294 hw->fc.low_water[i] >= hw->fc.high_water[i]) {
295 hw_dbg(hw, "Invalid water mark configuration\n");
296 return -EINVAL;
297 }
298 }
299 }
300
301 /*
302 * On 82598 having Rx FC on causes resets while doing 1G
303 * so if it's on turn it off once we know link_speed. For
304 * more details see 82598 Specification update.
305 */
306 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
307 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
308 switch (hw->fc.requested_mode) {
309 case ixgbe_fc_full:
310 hw->fc.requested_mode = ixgbe_fc_tx_pause;
311 break;
312 case ixgbe_fc_rx_pause:
313 hw->fc.requested_mode = ixgbe_fc_none;
314 break;
315 default:
316 /* no change */
317 break;
318 }
319 }
320
321 /* Negotiate the fc mode to use */
322 hw->mac.ops.fc_autoneg(hw);
323
324 /* Disable any previous flow control settings */
325 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
326 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
327
328 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
329 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
330
331 /*
332 * The possible values of fc.current_mode are:
333 * 0: Flow control is completely disabled
334 * 1: Rx flow control is enabled (we can receive pause frames,
335 * but not send pause frames).
336 * 2: Tx flow control is enabled (we can send pause frames but
337 * we do not support receiving pause frames).
338 * 3: Both Rx and Tx flow control (symmetric) are enabled.
339 * other: Invalid.
340 */
341 switch (hw->fc.current_mode) {
342 case ixgbe_fc_none:
343 /*
344 * Flow control is disabled by software override or autoneg.
345 * The code below will actually disable it in the HW.
346 */
347 break;
348 case ixgbe_fc_rx_pause:
349 /*
350 * Rx Flow control is enabled and Tx Flow control is
351 * disabled by software override. Since there really
352 * isn't a way to advertise that we are capable of RX
353 * Pause ONLY, we will advertise that we support both
354 * symmetric and asymmetric Rx PAUSE. Later, we will
355 * disable the adapter's ability to send PAUSE frames.
356 */
357 fctrl_reg |= IXGBE_FCTRL_RFCE;
358 break;
359 case ixgbe_fc_tx_pause:
360 /*
361 * Tx Flow control is enabled, and Rx Flow control is
362 * disabled by software override.
363 */
364 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
365 break;
366 case ixgbe_fc_full:
367 /* Flow control (both Rx and Tx) is enabled by SW override. */
368 fctrl_reg |= IXGBE_FCTRL_RFCE;
369 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
370 break;
371 default:
372 hw_dbg(hw, "Flow control param set incorrectly\n");
373 return -EIO;
374 }
375
376 /* Set 802.3x based flow control settings. */
377 fctrl_reg |= IXGBE_FCTRL_DPF;
378 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
379 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
380
381 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
382 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
383 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
384 hw->fc.high_water[i]) {
385 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
386 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
387 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
388 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth);
389 } else {
390 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
391 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
392 }
393
394 }
395
396 /* Configure pause time (2 TCs per register) */
397 reg = hw->fc.pause_time * 0x00010001;
398 for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
399 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
400
401 /* Configure flow control refresh threshold value */
402 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
403
404 return 0;
405}
406
407/**
408 * ixgbe_start_mac_link_82598 - Configures MAC link settings
409 * @hw: pointer to hardware structure
410 * @autoneg_wait_to_complete: true when waiting for completion is needed
411 *
412 * Configures link settings based on values in the ixgbe_hw struct.
413 * Restarts the link. Performs autonegotiation if needed.
414 **/
415static int ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
416 bool autoneg_wait_to_complete)
417{
418 int status = 0;
419 u32 autoc_reg;
420 u32 links_reg;
421 u32 i;
422
423 /* Restart link */
424 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
425 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
426 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
427
428 /* Only poll for autoneg to complete if specified to do so */
429 if (autoneg_wait_to_complete) {
430 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
431 IXGBE_AUTOC_LMS_KX4_AN ||
432 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
433 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
434 links_reg = 0; /* Just in case Autoneg time = 0 */
435 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
436 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
437 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
438 break;
439 msleep(100);
440 }
441 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
442 status = -EIO;
443 hw_dbg(hw, "Autonegotiation did not complete.\n");
444 }
445 }
446 }
447
448 /* Add delay to filter out noises during initial link setup */
449 msleep(50);
450
451 return status;
452}
453
454/**
455 * ixgbe_validate_link_ready - Function looks for phy link
456 * @hw: pointer to hardware structure
457 *
458 * Function indicates success when phy link is available. If phy is not ready
459 * within 5 seconds of MAC indicating link, the function returns error.
460 **/
461static int ixgbe_validate_link_ready(struct ixgbe_hw *hw)
462{
463 u32 timeout;
464 u16 an_reg;
465
466 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
467 return 0;
468
469 for (timeout = 0;
470 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
471 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
472
473 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
474 (an_reg & MDIO_STAT1_LSTATUS))
475 break;
476
477 msleep(100);
478 }
479
480 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
481 hw_dbg(hw, "Link was indicated but link is down\n");
482 return -EIO;
483 }
484
485 return 0;
486}
487
488/**
489 * ixgbe_check_mac_link_82598 - Get link/speed status
490 * @hw: pointer to hardware structure
491 * @speed: pointer to link speed
492 * @link_up: true is link is up, false otherwise
493 * @link_up_wait_to_complete: bool used to wait for link up or not
494 *
495 * Reads the links register to determine if link is up and the current speed
496 **/
497static int ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
498 ixgbe_link_speed *speed, bool *link_up,
499 bool link_up_wait_to_complete)
500{
501 u32 links_reg;
502 u32 i;
503 u16 link_reg, adapt_comp_reg;
504
505 /*
506 * SERDES PHY requires us to read link status from register 0xC79F.
507 * Bit 0 set indicates link is up/ready; clear indicates link down.
508 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
509 * clear indicates active; set indicates inactive.
510 */
511 if (hw->phy.type == ixgbe_phy_nl) {
512 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
513 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
514 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
515 &adapt_comp_reg);
516 if (link_up_wait_to_complete) {
517 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
518 if ((link_reg & 1) &&
519 ((adapt_comp_reg & 1) == 0)) {
520 *link_up = true;
521 break;
522 } else {
523 *link_up = false;
524 }
525 msleep(100);
526 hw->phy.ops.read_reg(hw, 0xC79F,
527 MDIO_MMD_PMAPMD,
528 &link_reg);
529 hw->phy.ops.read_reg(hw, 0xC00C,
530 MDIO_MMD_PMAPMD,
531 &adapt_comp_reg);
532 }
533 } else {
534 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
535 *link_up = true;
536 else
537 *link_up = false;
538 }
539
540 if (!*link_up)
541 return 0;
542 }
543
544 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
545 if (link_up_wait_to_complete) {
546 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
547 if (links_reg & IXGBE_LINKS_UP) {
548 *link_up = true;
549 break;
550 } else {
551 *link_up = false;
552 }
553 msleep(100);
554 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
555 }
556 } else {
557 if (links_reg & IXGBE_LINKS_UP)
558 *link_up = true;
559 else
560 *link_up = false;
561 }
562
563 if (links_reg & IXGBE_LINKS_SPEED)
564 *speed = IXGBE_LINK_SPEED_10GB_FULL;
565 else
566 *speed = IXGBE_LINK_SPEED_1GB_FULL;
567
568 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up &&
569 (ixgbe_validate_link_ready(hw) != 0))
570 *link_up = false;
571
572 return 0;
573}
574
575/**
576 * ixgbe_setup_mac_link_82598 - Set MAC link speed
577 * @hw: pointer to hardware structure
578 * @speed: new link speed
579 * @autoneg_wait_to_complete: true when waiting for completion is needed
580 *
581 * Set the link speed in the AUTOC register and restarts link.
582 **/
583static int ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
584 ixgbe_link_speed speed,
585 bool autoneg_wait_to_complete)
586{
587 bool autoneg = false;
588 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
589 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
590 u32 autoc = curr_autoc;
591 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
592
593 /* Check to see if speed passed in is supported. */
594 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
595 speed &= link_capabilities;
596
597 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
598 return -EINVAL;
599
600 /* Set KX4/KX support according to speed requested */
601 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
602 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
603 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
604 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
605 autoc |= IXGBE_AUTOC_KX4_SUPP;
606 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
607 autoc |= IXGBE_AUTOC_KX_SUPP;
608 if (autoc != curr_autoc)
609 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
610 }
611
612 /* Setup and restart the link based on the new values in
613 * ixgbe_hw This will write the AUTOC register based on the new
614 * stored values
615 */
616 return ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
617}
618
619
620/**
621 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
622 * @hw: pointer to hardware structure
623 * @speed: new link speed
624 * @autoneg_wait_to_complete: true if waiting is needed to complete
625 *
626 * Sets the link speed in the AUTOC register in the MAC and restarts link.
627 **/
628static int ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
629 ixgbe_link_speed speed,
630 bool autoneg_wait_to_complete)
631{
632 int status;
633
634 /* Setup the PHY according to input speed */
635 status = hw->phy.ops.setup_link_speed(hw, speed,
636 autoneg_wait_to_complete);
637 /* Set up MAC */
638 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
639
640 return status;
641}
642
643/**
644 * ixgbe_reset_hw_82598 - Performs hardware reset
645 * @hw: pointer to hardware structure
646 *
647 * Resets the hardware by resetting the transmit and receive units, masks and
648 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
649 * reset.
650 **/
651static int ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
652{
653 int phy_status = 0;
654 u8 analog_val;
655 u32 gheccr;
656 int status;
657 u32 autoc;
658 u32 ctrl;
659 u32 i;
660
661 /* Call adapter stop to disable tx/rx and clear interrupts */
662 status = hw->mac.ops.stop_adapter(hw);
663 if (status)
664 return status;
665
666 /*
667 * Power up the Atlas Tx lanes if they are currently powered down.
668 * Atlas Tx lanes are powered down for MAC loopback tests, but
669 * they are not automatically restored on reset.
670 */
671 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
672 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
673 /* Enable Tx Atlas so packets can be transmitted again */
674 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
675 &analog_val);
676 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
677 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
678 analog_val);
679
680 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
681 &analog_val);
682 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
683 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
684 analog_val);
685
686 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
687 &analog_val);
688 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
689 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
690 analog_val);
691
692 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
693 &analog_val);
694 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
695 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
696 analog_val);
697 }
698
699 /* Reset PHY */
700 if (hw->phy.reset_disable == false) {
701 /* PHY ops must be identified and initialized prior to reset */
702
703 /* Init PHY and function pointers, perform SFP setup */
704 phy_status = hw->phy.ops.init(hw);
705 if (phy_status == -EOPNOTSUPP)
706 return phy_status;
707 if (phy_status == -ENOENT)
708 goto mac_reset_top;
709
710 hw->phy.ops.reset(hw);
711 }
712
713mac_reset_top:
714 /*
715 * Issue global reset to the MAC. This needs to be a SW reset.
716 * If link reset is used, it might reset the MAC when mng is using it
717 */
718 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST;
719 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
720 IXGBE_WRITE_FLUSH(hw);
721 usleep_range(1000, 1200);
722
723 /* Poll for reset bit to self-clear indicating reset is complete */
724 for (i = 0; i < 10; i++) {
725 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
726 if (!(ctrl & IXGBE_CTRL_RST))
727 break;
728 udelay(1);
729 }
730 if (ctrl & IXGBE_CTRL_RST) {
731 status = -EIO;
732 hw_dbg(hw, "Reset polling failed to complete.\n");
733 }
734
735 msleep(50);
736
737 /*
738 * Double resets are required for recovery from certain error
739 * conditions. Between resets, it is necessary to stall to allow time
740 * for any pending HW events to complete.
741 */
742 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
743 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
744 goto mac_reset_top;
745 }
746
747 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
748 gheccr &= ~(BIT(21) | BIT(18) | BIT(9) | BIT(6));
749 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
750
751 /*
752 * Store the original AUTOC value if it has not been
753 * stored off yet. Otherwise restore the stored original
754 * AUTOC value since the reset operation sets back to deaults.
755 */
756 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
757 if (hw->mac.orig_link_settings_stored == false) {
758 hw->mac.orig_autoc = autoc;
759 hw->mac.orig_link_settings_stored = true;
760 } else if (autoc != hw->mac.orig_autoc) {
761 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
762 }
763
764 /* Store the permanent mac address */
765 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
766
767 /*
768 * Store MAC address from RAR0, clear receive address registers, and
769 * clear the multicast table
770 */
771 hw->mac.ops.init_rx_addrs(hw);
772
773 if (phy_status)
774 status = phy_status;
775
776 return status;
777}
778
779/**
780 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
781 * @hw: pointer to hardware struct
782 * @rar: receive address register index to associate with a VMDq index
783 * @vmdq: VMDq set index
784 **/
785static int ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
786{
787 u32 rar_high;
788 u32 rar_entries = hw->mac.num_rar_entries;
789
790 /* Make sure we are using a valid rar index range */
791 if (rar >= rar_entries) {
792 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
793 return -EINVAL;
794 }
795
796 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
797 rar_high &= ~IXGBE_RAH_VIND_MASK;
798 rar_high |= FIELD_PREP(IXGBE_RAH_VIND_MASK, vmdq);
799 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
800 return 0;
801}
802
803/**
804 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
805 * @hw: pointer to hardware struct
806 * @rar: receive address register index to associate with a VMDq index
807 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
808 **/
809static int ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
810{
811 u32 rar_high;
812 u32 rar_entries = hw->mac.num_rar_entries;
813
814
815 /* Make sure we are using a valid rar index range */
816 if (rar >= rar_entries) {
817 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
818 return -EINVAL;
819 }
820
821 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
822 if (rar_high & IXGBE_RAH_VIND_MASK) {
823 rar_high &= ~IXGBE_RAH_VIND_MASK;
824 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
825 }
826
827 return 0;
828}
829
830/**
831 * ixgbe_set_vfta_82598 - Set VLAN filter table
832 * @hw: pointer to hardware structure
833 * @vlan: VLAN id to write to VLAN filter
834 * @vind: VMDq output index that maps queue to VLAN id in VFTA
835 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
836 * @vlvf_bypass: boolean flag - unused
837 *
838 * Turn on/off specified VLAN in the VLAN filter table.
839 **/
840static int ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
841 bool vlan_on, bool vlvf_bypass)
842{
843 u32 regindex;
844 u32 bitindex;
845 u32 bits;
846 u32 vftabyte;
847
848 if (vlan > 4095)
849 return -EINVAL;
850
851 /* Determine 32-bit word position in array */
852 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
853
854 /* Determine the location of the (VMD) queue index */
855 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
856 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
857
858 /* Set the nibble for VMD queue index */
859 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
860 bits &= (~(0x0F << bitindex));
861 bits |= (vind << bitindex);
862 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
863
864 /* Determine the location of the bit for this VLAN id */
865 bitindex = vlan & 0x1F; /* lower five bits */
866
867 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
868 if (vlan_on)
869 /* Turn on this VLAN id */
870 bits |= BIT(bitindex);
871 else
872 /* Turn off this VLAN id */
873 bits &= ~BIT(bitindex);
874 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
875
876 return 0;
877}
878
879/**
880 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
881 * @hw: pointer to hardware structure
882 *
883 * Clears the VLAN filter table, and the VMDq index associated with the filter
884 **/
885static int ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
886{
887 u32 offset;
888 u32 vlanbyte;
889
890 for (offset = 0; offset < hw->mac.vft_size; offset++)
891 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
892
893 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
894 for (offset = 0; offset < hw->mac.vft_size; offset++)
895 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
896 0);
897
898 return 0;
899}
900
901/**
902 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
903 * @hw: pointer to hardware structure
904 * @reg: analog register to read
905 * @val: read value
906 *
907 * Performs read operation to Atlas analog register specified.
908 **/
909static int ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
910{
911 u32 atlas_ctl;
912
913 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
914 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
915 IXGBE_WRITE_FLUSH(hw);
916 udelay(10);
917 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
918 *val = (u8)atlas_ctl;
919
920 return 0;
921}
922
923/**
924 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
925 * @hw: pointer to hardware structure
926 * @reg: atlas register to write
927 * @val: value to write
928 *
929 * Performs write operation to Atlas analog register specified.
930 **/
931static int ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
932{
933 u32 atlas_ctl;
934
935 atlas_ctl = (reg << 8) | val;
936 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
937 IXGBE_WRITE_FLUSH(hw);
938 udelay(10);
939
940 return 0;
941}
942
943/**
944 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
945 * @hw: pointer to hardware structure
946 * @dev_addr: address to read from
947 * @byte_offset: byte offset to read from dev_addr
948 * @eeprom_data: value read
949 *
950 * Performs 8 byte read operation to SFP module's data over I2C interface.
951 **/
952static int ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
953 u8 byte_offset, u8 *eeprom_data)
954{
955 u16 sfp_addr = 0;
956 u16 sfp_data = 0;
957 u16 sfp_stat = 0;
958 int status = 0;
959 u16 gssr;
960 u32 i;
961
962 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
963 gssr = IXGBE_GSSR_PHY1_SM;
964 else
965 gssr = IXGBE_GSSR_PHY0_SM;
966
967 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
968 return -EBUSY;
969
970 if (hw->phy.type == ixgbe_phy_nl) {
971 /*
972 * phy SDA/SCL registers are at addresses 0xC30A to
973 * 0xC30D. These registers are used to talk to the SFP+
974 * module's EEPROM through the SDA/SCL (I2C) interface.
975 */
976 sfp_addr = (dev_addr << 8) + byte_offset;
977 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
978 hw->phy.ops.write_reg_mdi(hw,
979 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
980 MDIO_MMD_PMAPMD,
981 sfp_addr);
982
983 /* Poll status */
984 for (i = 0; i < 100; i++) {
985 hw->phy.ops.read_reg_mdi(hw,
986 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
987 MDIO_MMD_PMAPMD,
988 &sfp_stat);
989 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
990 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
991 break;
992 usleep_range(10000, 20000);
993 }
994
995 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
996 hw_dbg(hw, "EEPROM read did not pass.\n");
997 status = -ENOENT;
998 goto out;
999 }
1000
1001 /* Read data */
1002 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
1003 MDIO_MMD_PMAPMD, &sfp_data);
1004
1005 *eeprom_data = (u8)(sfp_data >> 8);
1006 } else {
1007 status = -EIO;
1008 }
1009
1010out:
1011 hw->mac.ops.release_swfw_sync(hw, gssr);
1012 return status;
1013}
1014
1015/**
1016 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1017 * @hw: pointer to hardware structure
1018 * @byte_offset: EEPROM byte offset to read
1019 * @eeprom_data: value read
1020 *
1021 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1022 **/
1023static int ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1024 u8 *eeprom_data)
1025{
1026 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR,
1027 byte_offset, eeprom_data);
1028}
1029
1030/**
1031 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1032 * @hw: pointer to hardware structure
1033 * @byte_offset: byte offset at address 0xA2
1034 * @sff8472_data: value read
1035 *
1036 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1037 **/
1038static int ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
1039 u8 *sff8472_data)
1040{
1041 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2,
1042 byte_offset, sff8472_data);
1043}
1044
1045/**
1046 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1047 * port devices.
1048 * @hw: pointer to the HW structure
1049 *
1050 * Calls common function and corrects issue with some single port devices
1051 * that enable LAN1 but not LAN0.
1052 **/
1053static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
1054{
1055 struct ixgbe_bus_info *bus = &hw->bus;
1056 u16 pci_gen = 0;
1057 u16 pci_ctrl2 = 0;
1058
1059 ixgbe_set_lan_id_multi_port_pcie(hw);
1060
1061 /* check if LAN0 is disabled */
1062 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen);
1063 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) {
1064
1065 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2);
1066
1067 /* if LAN0 is completely disabled force function to 0 */
1068 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) &&
1069 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) &&
1070 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) {
1071
1072 bus->func = 0;
1073 }
1074 }
1075}
1076
1077/**
1078 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1079 * @hw: pointer to hardware structure
1080 * @num_pb: number of packet buffers to allocate
1081 * @headroom: reserve n KB of headroom
1082 * @strategy: packet buffer allocation strategy
1083 **/
1084static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
1085 u32 headroom, int strategy)
1086{
1087 u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
1088 u8 i = 0;
1089
1090 if (!num_pb)
1091 return;
1092
1093 /* Setup Rx packet buffer sizes */
1094 switch (strategy) {
1095 case PBA_STRATEGY_WEIGHTED:
1096 /* Setup the first four at 80KB */
1097 rxpktsize = IXGBE_RXPBSIZE_80KB;
1098 for (; i < 4; i++)
1099 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1100 /* Setup the last four at 48KB...don't re-init i */
1101 rxpktsize = IXGBE_RXPBSIZE_48KB;
1102 fallthrough;
1103 case PBA_STRATEGY_EQUAL:
1104 default:
1105 /* Divide the remaining Rx packet buffer evenly among the TCs */
1106 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1107 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1108 break;
1109 }
1110
1111 /* Setup Tx packet buffer sizes */
1112 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1113 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
1114}
1115
1116static const struct ixgbe_mac_operations mac_ops_82598 = {
1117 .init_hw = &ixgbe_init_hw_generic,
1118 .reset_hw = &ixgbe_reset_hw_82598,
1119 .start_hw = &ixgbe_start_hw_82598,
1120 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
1121 .get_media_type = &ixgbe_get_media_type_82598,
1122 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
1123 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1124 .stop_adapter = &ixgbe_stop_adapter_generic,
1125 .get_bus_info = &ixgbe_get_bus_info_generic,
1126 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598,
1127 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1128 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
1129 .setup_link = &ixgbe_setup_mac_link_82598,
1130 .set_rxpba = &ixgbe_set_rxpba_82598,
1131 .check_link = &ixgbe_check_mac_link_82598,
1132 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1133 .led_on = &ixgbe_led_on_generic,
1134 .led_off = &ixgbe_led_off_generic,
1135 .init_led_link_act = ixgbe_init_led_link_act_generic,
1136 .blink_led_start = &ixgbe_blink_led_start_generic,
1137 .blink_led_stop = &ixgbe_blink_led_stop_generic,
1138 .set_rar = &ixgbe_set_rar_generic,
1139 .clear_rar = &ixgbe_clear_rar_generic,
1140 .set_vmdq = &ixgbe_set_vmdq_82598,
1141 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1142 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1143 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1144 .enable_mc = &ixgbe_enable_mc_generic,
1145 .disable_mc = &ixgbe_disable_mc_generic,
1146 .clear_vfta = &ixgbe_clear_vfta_82598,
1147 .set_vfta = &ixgbe_set_vfta_82598,
1148 .fc_enable = &ixgbe_fc_enable_82598,
1149 .setup_fc = ixgbe_setup_fc_generic,
1150 .fc_autoneg = ixgbe_fc_autoneg,
1151 .set_fw_drv_ver = NULL,
1152 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
1153 .release_swfw_sync = &ixgbe_release_swfw_sync,
1154 .init_swfw_sync = NULL,
1155 .get_thermal_sensor_data = NULL,
1156 .init_thermal_sensor_thresh = NULL,
1157 .prot_autoc_read = &prot_autoc_read_generic,
1158 .prot_autoc_write = &prot_autoc_write_generic,
1159 .enable_rx = &ixgbe_enable_rx_generic,
1160 .disable_rx = &ixgbe_disable_rx_generic,
1161};
1162
1163static const struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1164 .init_params = &ixgbe_init_eeprom_params_generic,
1165 .read = &ixgbe_read_eerd_generic,
1166 .write = &ixgbe_write_eeprom_generic,
1167 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic,
1168 .read_buffer = &ixgbe_read_eerd_buffer_generic,
1169 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
1170 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1171 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1172};
1173
1174static const struct ixgbe_phy_operations phy_ops_82598 = {
1175 .identify = &ixgbe_identify_phy_generic,
1176 .identify_sfp = &ixgbe_identify_module_generic,
1177 .init = &ixgbe_init_phy_ops_82598,
1178 .reset = &ixgbe_reset_phy_generic,
1179 .read_reg = &ixgbe_read_phy_reg_generic,
1180 .write_reg = &ixgbe_write_phy_reg_generic,
1181 .read_reg_mdi = &ixgbe_read_phy_reg_mdi,
1182 .write_reg_mdi = &ixgbe_write_phy_reg_mdi,
1183 .setup_link = &ixgbe_setup_phy_link_generic,
1184 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
1185 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598,
1186 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
1187 .check_overtemp = &ixgbe_tn_check_overtemp,
1188};
1189
1190const struct ixgbe_info ixgbe_82598_info = {
1191 .mac = ixgbe_mac_82598EB,
1192 .get_invariants = &ixgbe_get_invariants_82598,
1193 .mac_ops = &mac_ops_82598,
1194 .eeprom_ops = &eeprom_ops_82598,
1195 .phy_ops = &phy_ops_82598,
1196 .mvals = ixgbe_mvals_8259X,
1197};
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4#include <linux/pci.h>
5#include <linux/delay.h>
6#include <linux/sched.h>
7
8#include "ixgbe.h"
9#include "ixgbe_phy.h"
10
11#define IXGBE_82598_MAX_TX_QUEUES 32
12#define IXGBE_82598_MAX_RX_QUEUES 64
13#define IXGBE_82598_RAR_ENTRIES 16
14#define IXGBE_82598_MC_TBL_SIZE 128
15#define IXGBE_82598_VFT_TBL_SIZE 128
16#define IXGBE_82598_RX_PB_SIZE 512
17
18static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
19 ixgbe_link_speed speed,
20 bool autoneg_wait_to_complete);
21static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
22 u8 *eeprom_data);
23
24/**
25 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
26 * @hw: pointer to the HW structure
27 *
28 * The defaults for 82598 should be in the range of 50us to 50ms,
29 * however the hardware default for these parts is 500us to 1ms which is less
30 * than the 10ms recommended by the pci-e spec. To address this we need to
31 * increase the value to either 10ms to 250ms for capability version 1 config,
32 * or 16ms to 55ms for version 2.
33 **/
34static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
35{
36 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
37 u16 pcie_devctl2;
38
39 if (ixgbe_removed(hw->hw_addr))
40 return;
41
42 /* only take action if timeout value is defaulted to 0 */
43 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
44 goto out;
45
46 /*
47 * if capababilities version is type 1 we can write the
48 * timeout of 10ms to 250ms through the GCR register
49 */
50 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
51 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
52 goto out;
53 }
54
55 /*
56 * for version 2 capabilities we need to write the config space
57 * directly in order to set the completion timeout value for
58 * 16ms to 55ms
59 */
60 pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2);
61 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
62 ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
63out:
64 /* disable completion timeout resend */
65 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
66 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
67}
68
69static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
70{
71 struct ixgbe_mac_info *mac = &hw->mac;
72
73 /* Call PHY identify routine to get the phy type */
74 ixgbe_identify_phy_generic(hw);
75
76 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
77 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
78 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
79 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE;
80 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
81 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
82 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
83
84 return 0;
85}
86
87/**
88 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
89 * @hw: pointer to hardware structure
90 *
91 * Initialize any function pointers that were not able to be
92 * set during get_invariants because the PHY/SFP type was
93 * not known. Perform the SFP init if necessary.
94 *
95 **/
96static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
97{
98 struct ixgbe_mac_info *mac = &hw->mac;
99 struct ixgbe_phy_info *phy = &hw->phy;
100 s32 ret_val;
101 u16 list_offset, data_offset;
102
103 /* Identify the PHY */
104 phy->ops.identify(hw);
105
106 /* Overwrite the link function pointers if copper PHY */
107 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
108 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
109 mac->ops.get_link_capabilities =
110 &ixgbe_get_copper_link_capabilities_generic;
111 }
112
113 switch (hw->phy.type) {
114 case ixgbe_phy_tn:
115 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
116 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
117 break;
118 case ixgbe_phy_nl:
119 phy->ops.reset = &ixgbe_reset_phy_nl;
120
121 /* Call SFP+ identify routine to get the SFP+ module type */
122 ret_val = phy->ops.identify_sfp(hw);
123 if (ret_val)
124 return ret_val;
125 if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
126 return IXGBE_ERR_SFP_NOT_SUPPORTED;
127
128 /* Check to see if SFP+ module is supported */
129 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
130 &list_offset,
131 &data_offset);
132 if (ret_val)
133 return IXGBE_ERR_SFP_NOT_SUPPORTED;
134 break;
135 default:
136 break;
137 }
138
139 return 0;
140}
141
142/**
143 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
144 * @hw: pointer to hardware structure
145 *
146 * Starts the hardware using the generic start_hw function.
147 * Disables relaxed ordering for archs other than SPARC
148 * Then set pcie completion timeout
149 *
150 **/
151static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
152{
153 s32 ret_val;
154
155 ret_val = ixgbe_start_hw_generic(hw);
156 if (ret_val)
157 return ret_val;
158
159 /* set the completion timeout for interface */
160 ixgbe_set_pcie_completion_timeout(hw);
161
162 return 0;
163}
164
165/**
166 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
167 * @hw: pointer to hardware structure
168 * @speed: pointer to link speed
169 * @autoneg: boolean auto-negotiation value
170 *
171 * Determines the link capabilities by reading the AUTOC register.
172 **/
173static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
174 ixgbe_link_speed *speed,
175 bool *autoneg)
176{
177 u32 autoc = 0;
178
179 /*
180 * Determine link capabilities based on the stored value of AUTOC,
181 * which represents EEPROM defaults. If AUTOC value has not been
182 * stored, use the current register value.
183 */
184 if (hw->mac.orig_link_settings_stored)
185 autoc = hw->mac.orig_autoc;
186 else
187 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
188
189 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
190 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
191 *speed = IXGBE_LINK_SPEED_1GB_FULL;
192 *autoneg = false;
193 break;
194
195 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
196 *speed = IXGBE_LINK_SPEED_10GB_FULL;
197 *autoneg = false;
198 break;
199
200 case IXGBE_AUTOC_LMS_1G_AN:
201 *speed = IXGBE_LINK_SPEED_1GB_FULL;
202 *autoneg = true;
203 break;
204
205 case IXGBE_AUTOC_LMS_KX4_AN:
206 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
207 *speed = IXGBE_LINK_SPEED_UNKNOWN;
208 if (autoc & IXGBE_AUTOC_KX4_SUPP)
209 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
210 if (autoc & IXGBE_AUTOC_KX_SUPP)
211 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
212 *autoneg = true;
213 break;
214
215 default:
216 return IXGBE_ERR_LINK_SETUP;
217 }
218
219 return 0;
220}
221
222/**
223 * ixgbe_get_media_type_82598 - Determines media type
224 * @hw: pointer to hardware structure
225 *
226 * Returns the media type (fiber, copper, backplane)
227 **/
228static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
229{
230 /* Detect if there is a copper PHY attached. */
231 switch (hw->phy.type) {
232 case ixgbe_phy_cu_unknown:
233 case ixgbe_phy_tn:
234 return ixgbe_media_type_copper;
235
236 default:
237 break;
238 }
239
240 /* Media type for I82598 is based on device ID */
241 switch (hw->device_id) {
242 case IXGBE_DEV_ID_82598:
243 case IXGBE_DEV_ID_82598_BX:
244 /* Default device ID is mezzanine card KX/KX4 */
245 return ixgbe_media_type_backplane;
246
247 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
248 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
249 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
250 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
251 case IXGBE_DEV_ID_82598EB_XF_LR:
252 case IXGBE_DEV_ID_82598EB_SFP_LOM:
253 return ixgbe_media_type_fiber;
254
255 case IXGBE_DEV_ID_82598EB_CX4:
256 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
257 return ixgbe_media_type_cx4;
258
259 case IXGBE_DEV_ID_82598AT:
260 case IXGBE_DEV_ID_82598AT2:
261 return ixgbe_media_type_copper;
262
263 default:
264 return ixgbe_media_type_unknown;
265 }
266}
267
268/**
269 * ixgbe_fc_enable_82598 - Enable flow control
270 * @hw: pointer to hardware structure
271 *
272 * Enable flow control according to the current settings.
273 **/
274static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
275{
276 u32 fctrl_reg;
277 u32 rmcs_reg;
278 u32 reg;
279 u32 fcrtl, fcrth;
280 u32 link_speed = 0;
281 int i;
282 bool link_up;
283
284 /* Validate the water mark configuration */
285 if (!hw->fc.pause_time)
286 return IXGBE_ERR_INVALID_LINK_SETTINGS;
287
288 /* Low water mark of zero causes XOFF floods */
289 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
290 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
291 hw->fc.high_water[i]) {
292 if (!hw->fc.low_water[i] ||
293 hw->fc.low_water[i] >= hw->fc.high_water[i]) {
294 hw_dbg(hw, "Invalid water mark configuration\n");
295 return IXGBE_ERR_INVALID_LINK_SETTINGS;
296 }
297 }
298 }
299
300 /*
301 * On 82598 having Rx FC on causes resets while doing 1G
302 * so if it's on turn it off once we know link_speed. For
303 * more details see 82598 Specification update.
304 */
305 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
306 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
307 switch (hw->fc.requested_mode) {
308 case ixgbe_fc_full:
309 hw->fc.requested_mode = ixgbe_fc_tx_pause;
310 break;
311 case ixgbe_fc_rx_pause:
312 hw->fc.requested_mode = ixgbe_fc_none;
313 break;
314 default:
315 /* no change */
316 break;
317 }
318 }
319
320 /* Negotiate the fc mode to use */
321 hw->mac.ops.fc_autoneg(hw);
322
323 /* Disable any previous flow control settings */
324 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
325 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
326
327 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
328 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
329
330 /*
331 * The possible values of fc.current_mode are:
332 * 0: Flow control is completely disabled
333 * 1: Rx flow control is enabled (we can receive pause frames,
334 * but not send pause frames).
335 * 2: Tx flow control is enabled (we can send pause frames but
336 * we do not support receiving pause frames).
337 * 3: Both Rx and Tx flow control (symmetric) are enabled.
338 * other: Invalid.
339 */
340 switch (hw->fc.current_mode) {
341 case ixgbe_fc_none:
342 /*
343 * Flow control is disabled by software override or autoneg.
344 * The code below will actually disable it in the HW.
345 */
346 break;
347 case ixgbe_fc_rx_pause:
348 /*
349 * Rx Flow control is enabled and Tx Flow control is
350 * disabled by software override. Since there really
351 * isn't a way to advertise that we are capable of RX
352 * Pause ONLY, we will advertise that we support both
353 * symmetric and asymmetric Rx PAUSE. Later, we will
354 * disable the adapter's ability to send PAUSE frames.
355 */
356 fctrl_reg |= IXGBE_FCTRL_RFCE;
357 break;
358 case ixgbe_fc_tx_pause:
359 /*
360 * Tx Flow control is enabled, and Rx Flow control is
361 * disabled by software override.
362 */
363 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
364 break;
365 case ixgbe_fc_full:
366 /* Flow control (both Rx and Tx) is enabled by SW override. */
367 fctrl_reg |= IXGBE_FCTRL_RFCE;
368 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
369 break;
370 default:
371 hw_dbg(hw, "Flow control param set incorrectly\n");
372 return IXGBE_ERR_CONFIG;
373 }
374
375 /* Set 802.3x based flow control settings. */
376 fctrl_reg |= IXGBE_FCTRL_DPF;
377 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
378 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
379
380 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
381 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
382 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
383 hw->fc.high_water[i]) {
384 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
385 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
386 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
387 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth);
388 } else {
389 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
390 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
391 }
392
393 }
394
395 /* Configure pause time (2 TCs per register) */
396 reg = hw->fc.pause_time * 0x00010001;
397 for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
398 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
399
400 /* Configure flow control refresh threshold value */
401 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
402
403 return 0;
404}
405
406/**
407 * ixgbe_start_mac_link_82598 - Configures MAC link settings
408 * @hw: pointer to hardware structure
409 * @autoneg_wait_to_complete: true when waiting for completion is needed
410 *
411 * Configures link settings based on values in the ixgbe_hw struct.
412 * Restarts the link. Performs autonegotiation if needed.
413 **/
414static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
415 bool autoneg_wait_to_complete)
416{
417 u32 autoc_reg;
418 u32 links_reg;
419 u32 i;
420 s32 status = 0;
421
422 /* Restart link */
423 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
424 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
425 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
426
427 /* Only poll for autoneg to complete if specified to do so */
428 if (autoneg_wait_to_complete) {
429 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
430 IXGBE_AUTOC_LMS_KX4_AN ||
431 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
432 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
433 links_reg = 0; /* Just in case Autoneg time = 0 */
434 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
435 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
436 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
437 break;
438 msleep(100);
439 }
440 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
441 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
442 hw_dbg(hw, "Autonegotiation did not complete.\n");
443 }
444 }
445 }
446
447 /* Add delay to filter out noises during initial link setup */
448 msleep(50);
449
450 return status;
451}
452
453/**
454 * ixgbe_validate_link_ready - Function looks for phy link
455 * @hw: pointer to hardware structure
456 *
457 * Function indicates success when phy link is available. If phy is not ready
458 * within 5 seconds of MAC indicating link, the function returns error.
459 **/
460static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
461{
462 u32 timeout;
463 u16 an_reg;
464
465 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
466 return 0;
467
468 for (timeout = 0;
469 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
470 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
471
472 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
473 (an_reg & MDIO_STAT1_LSTATUS))
474 break;
475
476 msleep(100);
477 }
478
479 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
480 hw_dbg(hw, "Link was indicated but link is down\n");
481 return IXGBE_ERR_LINK_SETUP;
482 }
483
484 return 0;
485}
486
487/**
488 * ixgbe_check_mac_link_82598 - Get link/speed status
489 * @hw: pointer to hardware structure
490 * @speed: pointer to link speed
491 * @link_up: true is link is up, false otherwise
492 * @link_up_wait_to_complete: bool used to wait for link up or not
493 *
494 * Reads the links register to determine if link is up and the current speed
495 **/
496static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
497 ixgbe_link_speed *speed, bool *link_up,
498 bool link_up_wait_to_complete)
499{
500 u32 links_reg;
501 u32 i;
502 u16 link_reg, adapt_comp_reg;
503
504 /*
505 * SERDES PHY requires us to read link status from register 0xC79F.
506 * Bit 0 set indicates link is up/ready; clear indicates link down.
507 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
508 * clear indicates active; set indicates inactive.
509 */
510 if (hw->phy.type == ixgbe_phy_nl) {
511 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
512 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
513 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
514 &adapt_comp_reg);
515 if (link_up_wait_to_complete) {
516 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
517 if ((link_reg & 1) &&
518 ((adapt_comp_reg & 1) == 0)) {
519 *link_up = true;
520 break;
521 } else {
522 *link_up = false;
523 }
524 msleep(100);
525 hw->phy.ops.read_reg(hw, 0xC79F,
526 MDIO_MMD_PMAPMD,
527 &link_reg);
528 hw->phy.ops.read_reg(hw, 0xC00C,
529 MDIO_MMD_PMAPMD,
530 &adapt_comp_reg);
531 }
532 } else {
533 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
534 *link_up = true;
535 else
536 *link_up = false;
537 }
538
539 if (!*link_up)
540 return 0;
541 }
542
543 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
544 if (link_up_wait_to_complete) {
545 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
546 if (links_reg & IXGBE_LINKS_UP) {
547 *link_up = true;
548 break;
549 } else {
550 *link_up = false;
551 }
552 msleep(100);
553 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
554 }
555 } else {
556 if (links_reg & IXGBE_LINKS_UP)
557 *link_up = true;
558 else
559 *link_up = false;
560 }
561
562 if (links_reg & IXGBE_LINKS_SPEED)
563 *speed = IXGBE_LINK_SPEED_10GB_FULL;
564 else
565 *speed = IXGBE_LINK_SPEED_1GB_FULL;
566
567 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up &&
568 (ixgbe_validate_link_ready(hw) != 0))
569 *link_up = false;
570
571 return 0;
572}
573
574/**
575 * ixgbe_setup_mac_link_82598 - Set MAC link speed
576 * @hw: pointer to hardware structure
577 * @speed: new link speed
578 * @autoneg_wait_to_complete: true when waiting for completion is needed
579 *
580 * Set the link speed in the AUTOC register and restarts link.
581 **/
582static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
583 ixgbe_link_speed speed,
584 bool autoneg_wait_to_complete)
585{
586 bool autoneg = false;
587 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
588 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
589 u32 autoc = curr_autoc;
590 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
591
592 /* Check to see if speed passed in is supported. */
593 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
594 speed &= link_capabilities;
595
596 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
597 return IXGBE_ERR_LINK_SETUP;
598
599 /* Set KX4/KX support according to speed requested */
600 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
601 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
602 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
603 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
604 autoc |= IXGBE_AUTOC_KX4_SUPP;
605 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
606 autoc |= IXGBE_AUTOC_KX_SUPP;
607 if (autoc != curr_autoc)
608 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
609 }
610
611 /* Setup and restart the link based on the new values in
612 * ixgbe_hw This will write the AUTOC register based on the new
613 * stored values
614 */
615 return ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
616}
617
618
619/**
620 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
621 * @hw: pointer to hardware structure
622 * @speed: new link speed
623 * @autoneg_wait_to_complete: true if waiting is needed to complete
624 *
625 * Sets the link speed in the AUTOC register in the MAC and restarts link.
626 **/
627static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
628 ixgbe_link_speed speed,
629 bool autoneg_wait_to_complete)
630{
631 s32 status;
632
633 /* Setup the PHY according to input speed */
634 status = hw->phy.ops.setup_link_speed(hw, speed,
635 autoneg_wait_to_complete);
636 /* Set up MAC */
637 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
638
639 return status;
640}
641
642/**
643 * ixgbe_reset_hw_82598 - Performs hardware reset
644 * @hw: pointer to hardware structure
645 *
646 * Resets the hardware by resetting the transmit and receive units, masks and
647 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
648 * reset.
649 **/
650static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
651{
652 s32 status;
653 s32 phy_status = 0;
654 u32 ctrl;
655 u32 gheccr;
656 u32 i;
657 u32 autoc;
658 u8 analog_val;
659
660 /* Call adapter stop to disable tx/rx and clear interrupts */
661 status = hw->mac.ops.stop_adapter(hw);
662 if (status)
663 return status;
664
665 /*
666 * Power up the Atlas Tx lanes if they are currently powered down.
667 * Atlas Tx lanes are powered down for MAC loopback tests, but
668 * they are not automatically restored on reset.
669 */
670 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
671 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
672 /* Enable Tx Atlas so packets can be transmitted again */
673 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
674 &analog_val);
675 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
676 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
677 analog_val);
678
679 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
680 &analog_val);
681 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
682 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
683 analog_val);
684
685 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
686 &analog_val);
687 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
688 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
689 analog_val);
690
691 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
692 &analog_val);
693 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
694 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
695 analog_val);
696 }
697
698 /* Reset PHY */
699 if (hw->phy.reset_disable == false) {
700 /* PHY ops must be identified and initialized prior to reset */
701
702 /* Init PHY and function pointers, perform SFP setup */
703 phy_status = hw->phy.ops.init(hw);
704 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
705 return phy_status;
706 if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
707 goto mac_reset_top;
708
709 hw->phy.ops.reset(hw);
710 }
711
712mac_reset_top:
713 /*
714 * Issue global reset to the MAC. This needs to be a SW reset.
715 * If link reset is used, it might reset the MAC when mng is using it
716 */
717 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST;
718 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
719 IXGBE_WRITE_FLUSH(hw);
720 usleep_range(1000, 1200);
721
722 /* Poll for reset bit to self-clear indicating reset is complete */
723 for (i = 0; i < 10; i++) {
724 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
725 if (!(ctrl & IXGBE_CTRL_RST))
726 break;
727 udelay(1);
728 }
729 if (ctrl & IXGBE_CTRL_RST) {
730 status = IXGBE_ERR_RESET_FAILED;
731 hw_dbg(hw, "Reset polling failed to complete.\n");
732 }
733
734 msleep(50);
735
736 /*
737 * Double resets are required for recovery from certain error
738 * conditions. Between resets, it is necessary to stall to allow time
739 * for any pending HW events to complete.
740 */
741 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
742 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
743 goto mac_reset_top;
744 }
745
746 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
747 gheccr &= ~(BIT(21) | BIT(18) | BIT(9) | BIT(6));
748 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
749
750 /*
751 * Store the original AUTOC value if it has not been
752 * stored off yet. Otherwise restore the stored original
753 * AUTOC value since the reset operation sets back to deaults.
754 */
755 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
756 if (hw->mac.orig_link_settings_stored == false) {
757 hw->mac.orig_autoc = autoc;
758 hw->mac.orig_link_settings_stored = true;
759 } else if (autoc != hw->mac.orig_autoc) {
760 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
761 }
762
763 /* Store the permanent mac address */
764 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
765
766 /*
767 * Store MAC address from RAR0, clear receive address registers, and
768 * clear the multicast table
769 */
770 hw->mac.ops.init_rx_addrs(hw);
771
772 if (phy_status)
773 status = phy_status;
774
775 return status;
776}
777
778/**
779 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
780 * @hw: pointer to hardware struct
781 * @rar: receive address register index to associate with a VMDq index
782 * @vmdq: VMDq set index
783 **/
784static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
785{
786 u32 rar_high;
787 u32 rar_entries = hw->mac.num_rar_entries;
788
789 /* Make sure we are using a valid rar index range */
790 if (rar >= rar_entries) {
791 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
792 return IXGBE_ERR_INVALID_ARGUMENT;
793 }
794
795 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
796 rar_high &= ~IXGBE_RAH_VIND_MASK;
797 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
798 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
799 return 0;
800}
801
802/**
803 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
804 * @hw: pointer to hardware struct
805 * @rar: receive address register index to associate with a VMDq index
806 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
807 **/
808static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
809{
810 u32 rar_high;
811 u32 rar_entries = hw->mac.num_rar_entries;
812
813
814 /* Make sure we are using a valid rar index range */
815 if (rar >= rar_entries) {
816 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
817 return IXGBE_ERR_INVALID_ARGUMENT;
818 }
819
820 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
821 if (rar_high & IXGBE_RAH_VIND_MASK) {
822 rar_high &= ~IXGBE_RAH_VIND_MASK;
823 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
824 }
825
826 return 0;
827}
828
829/**
830 * ixgbe_set_vfta_82598 - Set VLAN filter table
831 * @hw: pointer to hardware structure
832 * @vlan: VLAN id to write to VLAN filter
833 * @vind: VMDq output index that maps queue to VLAN id in VFTA
834 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
835 * @vlvf_bypass: boolean flag - unused
836 *
837 * Turn on/off specified VLAN in the VLAN filter table.
838 **/
839static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
840 bool vlan_on, bool vlvf_bypass)
841{
842 u32 regindex;
843 u32 bitindex;
844 u32 bits;
845 u32 vftabyte;
846
847 if (vlan > 4095)
848 return IXGBE_ERR_PARAM;
849
850 /* Determine 32-bit word position in array */
851 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
852
853 /* Determine the location of the (VMD) queue index */
854 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
855 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
856
857 /* Set the nibble for VMD queue index */
858 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
859 bits &= (~(0x0F << bitindex));
860 bits |= (vind << bitindex);
861 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
862
863 /* Determine the location of the bit for this VLAN id */
864 bitindex = vlan & 0x1F; /* lower five bits */
865
866 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
867 if (vlan_on)
868 /* Turn on this VLAN id */
869 bits |= BIT(bitindex);
870 else
871 /* Turn off this VLAN id */
872 bits &= ~BIT(bitindex);
873 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
874
875 return 0;
876}
877
878/**
879 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
880 * @hw: pointer to hardware structure
881 *
882 * Clears the VLAN filter table, and the VMDq index associated with the filter
883 **/
884static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
885{
886 u32 offset;
887 u32 vlanbyte;
888
889 for (offset = 0; offset < hw->mac.vft_size; offset++)
890 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
891
892 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
893 for (offset = 0; offset < hw->mac.vft_size; offset++)
894 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
895 0);
896
897 return 0;
898}
899
900/**
901 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
902 * @hw: pointer to hardware structure
903 * @reg: analog register to read
904 * @val: read value
905 *
906 * Performs read operation to Atlas analog register specified.
907 **/
908static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
909{
910 u32 atlas_ctl;
911
912 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
913 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
914 IXGBE_WRITE_FLUSH(hw);
915 udelay(10);
916 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
917 *val = (u8)atlas_ctl;
918
919 return 0;
920}
921
922/**
923 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
924 * @hw: pointer to hardware structure
925 * @reg: atlas register to write
926 * @val: value to write
927 *
928 * Performs write operation to Atlas analog register specified.
929 **/
930static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
931{
932 u32 atlas_ctl;
933
934 atlas_ctl = (reg << 8) | val;
935 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
936 IXGBE_WRITE_FLUSH(hw);
937 udelay(10);
938
939 return 0;
940}
941
942/**
943 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
944 * @hw: pointer to hardware structure
945 * @dev_addr: address to read from
946 * @byte_offset: byte offset to read from dev_addr
947 * @eeprom_data: value read
948 *
949 * Performs 8 byte read operation to SFP module's data over I2C interface.
950 **/
951static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
952 u8 byte_offset, u8 *eeprom_data)
953{
954 s32 status = 0;
955 u16 sfp_addr = 0;
956 u16 sfp_data = 0;
957 u16 sfp_stat = 0;
958 u16 gssr;
959 u32 i;
960
961 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
962 gssr = IXGBE_GSSR_PHY1_SM;
963 else
964 gssr = IXGBE_GSSR_PHY0_SM;
965
966 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
967 return IXGBE_ERR_SWFW_SYNC;
968
969 if (hw->phy.type == ixgbe_phy_nl) {
970 /*
971 * phy SDA/SCL registers are at addresses 0xC30A to
972 * 0xC30D. These registers are used to talk to the SFP+
973 * module's EEPROM through the SDA/SCL (I2C) interface.
974 */
975 sfp_addr = (dev_addr << 8) + byte_offset;
976 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
977 hw->phy.ops.write_reg_mdi(hw,
978 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
979 MDIO_MMD_PMAPMD,
980 sfp_addr);
981
982 /* Poll status */
983 for (i = 0; i < 100; i++) {
984 hw->phy.ops.read_reg_mdi(hw,
985 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
986 MDIO_MMD_PMAPMD,
987 &sfp_stat);
988 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
989 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
990 break;
991 usleep_range(10000, 20000);
992 }
993
994 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
995 hw_dbg(hw, "EEPROM read did not pass.\n");
996 status = IXGBE_ERR_SFP_NOT_PRESENT;
997 goto out;
998 }
999
1000 /* Read data */
1001 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
1002 MDIO_MMD_PMAPMD, &sfp_data);
1003
1004 *eeprom_data = (u8)(sfp_data >> 8);
1005 } else {
1006 status = IXGBE_ERR_PHY;
1007 }
1008
1009out:
1010 hw->mac.ops.release_swfw_sync(hw, gssr);
1011 return status;
1012}
1013
1014/**
1015 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1016 * @hw: pointer to hardware structure
1017 * @byte_offset: EEPROM byte offset to read
1018 * @eeprom_data: value read
1019 *
1020 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1021 **/
1022static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1023 u8 *eeprom_data)
1024{
1025 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR,
1026 byte_offset, eeprom_data);
1027}
1028
1029/**
1030 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1031 * @hw: pointer to hardware structure
1032 * @byte_offset: byte offset at address 0xA2
1033 * @sff8472_data: value read
1034 *
1035 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1036 **/
1037static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
1038 u8 *sff8472_data)
1039{
1040 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2,
1041 byte_offset, sff8472_data);
1042}
1043
1044/**
1045 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1046 * port devices.
1047 * @hw: pointer to the HW structure
1048 *
1049 * Calls common function and corrects issue with some single port devices
1050 * that enable LAN1 but not LAN0.
1051 **/
1052static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
1053{
1054 struct ixgbe_bus_info *bus = &hw->bus;
1055 u16 pci_gen = 0;
1056 u16 pci_ctrl2 = 0;
1057
1058 ixgbe_set_lan_id_multi_port_pcie(hw);
1059
1060 /* check if LAN0 is disabled */
1061 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen);
1062 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) {
1063
1064 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2);
1065
1066 /* if LAN0 is completely disabled force function to 0 */
1067 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) &&
1068 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) &&
1069 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) {
1070
1071 bus->func = 0;
1072 }
1073 }
1074}
1075
1076/**
1077 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1078 * @hw: pointer to hardware structure
1079 * @num_pb: number of packet buffers to allocate
1080 * @headroom: reserve n KB of headroom
1081 * @strategy: packet buffer allocation strategy
1082 **/
1083static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
1084 u32 headroom, int strategy)
1085{
1086 u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
1087 u8 i = 0;
1088
1089 if (!num_pb)
1090 return;
1091
1092 /* Setup Rx packet buffer sizes */
1093 switch (strategy) {
1094 case PBA_STRATEGY_WEIGHTED:
1095 /* Setup the first four at 80KB */
1096 rxpktsize = IXGBE_RXPBSIZE_80KB;
1097 for (; i < 4; i++)
1098 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1099 /* Setup the last four at 48KB...don't re-init i */
1100 rxpktsize = IXGBE_RXPBSIZE_48KB;
1101 fallthrough;
1102 case PBA_STRATEGY_EQUAL:
1103 default:
1104 /* Divide the remaining Rx packet buffer evenly among the TCs */
1105 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1106 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1107 break;
1108 }
1109
1110 /* Setup Tx packet buffer sizes */
1111 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1112 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
1113}
1114
1115static const struct ixgbe_mac_operations mac_ops_82598 = {
1116 .init_hw = &ixgbe_init_hw_generic,
1117 .reset_hw = &ixgbe_reset_hw_82598,
1118 .start_hw = &ixgbe_start_hw_82598,
1119 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
1120 .get_media_type = &ixgbe_get_media_type_82598,
1121 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
1122 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1123 .stop_adapter = &ixgbe_stop_adapter_generic,
1124 .get_bus_info = &ixgbe_get_bus_info_generic,
1125 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598,
1126 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1127 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
1128 .setup_link = &ixgbe_setup_mac_link_82598,
1129 .set_rxpba = &ixgbe_set_rxpba_82598,
1130 .check_link = &ixgbe_check_mac_link_82598,
1131 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1132 .led_on = &ixgbe_led_on_generic,
1133 .led_off = &ixgbe_led_off_generic,
1134 .init_led_link_act = ixgbe_init_led_link_act_generic,
1135 .blink_led_start = &ixgbe_blink_led_start_generic,
1136 .blink_led_stop = &ixgbe_blink_led_stop_generic,
1137 .set_rar = &ixgbe_set_rar_generic,
1138 .clear_rar = &ixgbe_clear_rar_generic,
1139 .set_vmdq = &ixgbe_set_vmdq_82598,
1140 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1141 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1142 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1143 .enable_mc = &ixgbe_enable_mc_generic,
1144 .disable_mc = &ixgbe_disable_mc_generic,
1145 .clear_vfta = &ixgbe_clear_vfta_82598,
1146 .set_vfta = &ixgbe_set_vfta_82598,
1147 .fc_enable = &ixgbe_fc_enable_82598,
1148 .setup_fc = ixgbe_setup_fc_generic,
1149 .fc_autoneg = ixgbe_fc_autoneg,
1150 .set_fw_drv_ver = NULL,
1151 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
1152 .release_swfw_sync = &ixgbe_release_swfw_sync,
1153 .init_swfw_sync = NULL,
1154 .get_thermal_sensor_data = NULL,
1155 .init_thermal_sensor_thresh = NULL,
1156 .prot_autoc_read = &prot_autoc_read_generic,
1157 .prot_autoc_write = &prot_autoc_write_generic,
1158 .enable_rx = &ixgbe_enable_rx_generic,
1159 .disable_rx = &ixgbe_disable_rx_generic,
1160};
1161
1162static const struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1163 .init_params = &ixgbe_init_eeprom_params_generic,
1164 .read = &ixgbe_read_eerd_generic,
1165 .write = &ixgbe_write_eeprom_generic,
1166 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic,
1167 .read_buffer = &ixgbe_read_eerd_buffer_generic,
1168 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
1169 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1170 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1171};
1172
1173static const struct ixgbe_phy_operations phy_ops_82598 = {
1174 .identify = &ixgbe_identify_phy_generic,
1175 .identify_sfp = &ixgbe_identify_module_generic,
1176 .init = &ixgbe_init_phy_ops_82598,
1177 .reset = &ixgbe_reset_phy_generic,
1178 .read_reg = &ixgbe_read_phy_reg_generic,
1179 .write_reg = &ixgbe_write_phy_reg_generic,
1180 .read_reg_mdi = &ixgbe_read_phy_reg_mdi,
1181 .write_reg_mdi = &ixgbe_write_phy_reg_mdi,
1182 .setup_link = &ixgbe_setup_phy_link_generic,
1183 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
1184 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598,
1185 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
1186 .check_overtemp = &ixgbe_tn_check_overtemp,
1187};
1188
1189const struct ixgbe_info ixgbe_82598_info = {
1190 .mac = ixgbe_mac_82598EB,
1191 .get_invariants = &ixgbe_get_invariants_82598,
1192 .mac_ops = &mac_ops_82598,
1193 .eeprom_ops = &eeprom_ops_82598,
1194 .phy_ops = &phy_ops_82598,
1195 .mvals = ixgbe_mvals_8259X,
1196};