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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/*******************************************************************************
3
4 Intel 10 Gigabit PCI Express Linux driver
5 Copyright(c) 1999 - 2016 Intel Corporation.
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms and conditions of the GNU General Public License,
9 version 2, as published by the Free Software Foundation.
10
11 This program is distributed in the hope it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19
20 The full GNU General Public License is included in this distribution in
21 the file called "COPYING".
22
23 Contact Information:
24 Linux NICS <linux.nics@intel.com>
25 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
26 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27
28*******************************************************************************/
29
30#include <linux/pci.h>
31#include <linux/delay.h>
32#include <linux/sched.h>
33
34#include "ixgbe.h"
35#include "ixgbe_phy.h"
36
37#define IXGBE_82598_MAX_TX_QUEUES 32
38#define IXGBE_82598_MAX_RX_QUEUES 64
39#define IXGBE_82598_RAR_ENTRIES 16
40#define IXGBE_82598_MC_TBL_SIZE 128
41#define IXGBE_82598_VFT_TBL_SIZE 128
42#define IXGBE_82598_RX_PB_SIZE 512
43
44static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
45 ixgbe_link_speed speed,
46 bool autoneg_wait_to_complete);
47static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
48 u8 *eeprom_data);
49
50/**
51 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
52 * @hw: pointer to the HW structure
53 *
54 * The defaults for 82598 should be in the range of 50us to 50ms,
55 * however the hardware default for these parts is 500us to 1ms which is less
56 * than the 10ms recommended by the pci-e spec. To address this we need to
57 * increase the value to either 10ms to 250ms for capability version 1 config,
58 * or 16ms to 55ms for version 2.
59 **/
60static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
61{
62 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
63 u16 pcie_devctl2;
64
65 if (ixgbe_removed(hw->hw_addr))
66 return;
67
68 /* only take action if timeout value is defaulted to 0 */
69 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
70 goto out;
71
72 /*
73 * if capababilities version is type 1 we can write the
74 * timeout of 10ms to 250ms through the GCR register
75 */
76 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
77 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
78 goto out;
79 }
80
81 /*
82 * for version 2 capabilities we need to write the config space
83 * directly in order to set the completion timeout value for
84 * 16ms to 55ms
85 */
86 pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2);
87 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
88 ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
89out:
90 /* disable completion timeout resend */
91 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
92 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
93}
94
95static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
96{
97 struct ixgbe_mac_info *mac = &hw->mac;
98
99 /* Call PHY identify routine to get the phy type */
100 ixgbe_identify_phy_generic(hw);
101
102 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
103 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
104 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
105 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE;
106 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
107 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
108 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
109
110 return 0;
111}
112
113/**
114 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
115 * @hw: pointer to hardware structure
116 *
117 * Initialize any function pointers that were not able to be
118 * set during get_invariants because the PHY/SFP type was
119 * not known. Perform the SFP init if necessary.
120 *
121 **/
122static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
123{
124 struct ixgbe_mac_info *mac = &hw->mac;
125 struct ixgbe_phy_info *phy = &hw->phy;
126 s32 ret_val;
127 u16 list_offset, data_offset;
128
129 /* Identify the PHY */
130 phy->ops.identify(hw);
131
132 /* Overwrite the link function pointers if copper PHY */
133 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
134 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
135 mac->ops.get_link_capabilities =
136 &ixgbe_get_copper_link_capabilities_generic;
137 }
138
139 switch (hw->phy.type) {
140 case ixgbe_phy_tn:
141 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
142 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
143 break;
144 case ixgbe_phy_nl:
145 phy->ops.reset = &ixgbe_reset_phy_nl;
146
147 /* Call SFP+ identify routine to get the SFP+ module type */
148 ret_val = phy->ops.identify_sfp(hw);
149 if (ret_val)
150 return ret_val;
151 if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
152 return IXGBE_ERR_SFP_NOT_SUPPORTED;
153
154 /* Check to see if SFP+ module is supported */
155 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
156 &list_offset,
157 &data_offset);
158 if (ret_val)
159 return IXGBE_ERR_SFP_NOT_SUPPORTED;
160 break;
161 default:
162 break;
163 }
164
165 return 0;
166}
167
168/**
169 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
170 * @hw: pointer to hardware structure
171 *
172 * Starts the hardware using the generic start_hw function.
173 * Disables relaxed ordering for archs other than SPARC
174 * Then set pcie completion timeout
175 *
176 **/
177static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
178{
179 s32 ret_val;
180
181 ret_val = ixgbe_start_hw_generic(hw);
182 if (ret_val)
183 return ret_val;
184
185 /* set the completion timeout for interface */
186 ixgbe_set_pcie_completion_timeout(hw);
187
188 return 0;
189}
190
191/**
192 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
193 * @hw: pointer to hardware structure
194 * @speed: pointer to link speed
195 * @autoneg: boolean auto-negotiation value
196 *
197 * Determines the link capabilities by reading the AUTOC register.
198 **/
199static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
200 ixgbe_link_speed *speed,
201 bool *autoneg)
202{
203 u32 autoc = 0;
204
205 /*
206 * Determine link capabilities based on the stored value of AUTOC,
207 * which represents EEPROM defaults. If AUTOC value has not been
208 * stored, use the current register value.
209 */
210 if (hw->mac.orig_link_settings_stored)
211 autoc = hw->mac.orig_autoc;
212 else
213 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
214
215 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
216 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
217 *speed = IXGBE_LINK_SPEED_1GB_FULL;
218 *autoneg = false;
219 break;
220
221 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
222 *speed = IXGBE_LINK_SPEED_10GB_FULL;
223 *autoneg = false;
224 break;
225
226 case IXGBE_AUTOC_LMS_1G_AN:
227 *speed = IXGBE_LINK_SPEED_1GB_FULL;
228 *autoneg = true;
229 break;
230
231 case IXGBE_AUTOC_LMS_KX4_AN:
232 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
233 *speed = IXGBE_LINK_SPEED_UNKNOWN;
234 if (autoc & IXGBE_AUTOC_KX4_SUPP)
235 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
236 if (autoc & IXGBE_AUTOC_KX_SUPP)
237 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
238 *autoneg = true;
239 break;
240
241 default:
242 return IXGBE_ERR_LINK_SETUP;
243 }
244
245 return 0;
246}
247
248/**
249 * ixgbe_get_media_type_82598 - Determines media type
250 * @hw: pointer to hardware structure
251 *
252 * Returns the media type (fiber, copper, backplane)
253 **/
254static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
255{
256 /* Detect if there is a copper PHY attached. */
257 switch (hw->phy.type) {
258 case ixgbe_phy_cu_unknown:
259 case ixgbe_phy_tn:
260 return ixgbe_media_type_copper;
261
262 default:
263 break;
264 }
265
266 /* Media type for I82598 is based on device ID */
267 switch (hw->device_id) {
268 case IXGBE_DEV_ID_82598:
269 case IXGBE_DEV_ID_82598_BX:
270 /* Default device ID is mezzanine card KX/KX4 */
271 return ixgbe_media_type_backplane;
272
273 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
274 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
275 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
276 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
277 case IXGBE_DEV_ID_82598EB_XF_LR:
278 case IXGBE_DEV_ID_82598EB_SFP_LOM:
279 return ixgbe_media_type_fiber;
280
281 case IXGBE_DEV_ID_82598EB_CX4:
282 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
283 return ixgbe_media_type_cx4;
284
285 case IXGBE_DEV_ID_82598AT:
286 case IXGBE_DEV_ID_82598AT2:
287 return ixgbe_media_type_copper;
288
289 default:
290 return ixgbe_media_type_unknown;
291 }
292}
293
294/**
295 * ixgbe_fc_enable_82598 - Enable flow control
296 * @hw: pointer to hardware structure
297 *
298 * Enable flow control according to the current settings.
299 **/
300static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
301{
302 u32 fctrl_reg;
303 u32 rmcs_reg;
304 u32 reg;
305 u32 fcrtl, fcrth;
306 u32 link_speed = 0;
307 int i;
308 bool link_up;
309
310 /* Validate the water mark configuration */
311 if (!hw->fc.pause_time)
312 return IXGBE_ERR_INVALID_LINK_SETTINGS;
313
314 /* Low water mark of zero causes XOFF floods */
315 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
316 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
317 hw->fc.high_water[i]) {
318 if (!hw->fc.low_water[i] ||
319 hw->fc.low_water[i] >= hw->fc.high_water[i]) {
320 hw_dbg(hw, "Invalid water mark configuration\n");
321 return IXGBE_ERR_INVALID_LINK_SETTINGS;
322 }
323 }
324 }
325
326 /*
327 * On 82598 having Rx FC on causes resets while doing 1G
328 * so if it's on turn it off once we know link_speed. For
329 * more details see 82598 Specification update.
330 */
331 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
332 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
333 switch (hw->fc.requested_mode) {
334 case ixgbe_fc_full:
335 hw->fc.requested_mode = ixgbe_fc_tx_pause;
336 break;
337 case ixgbe_fc_rx_pause:
338 hw->fc.requested_mode = ixgbe_fc_none;
339 break;
340 default:
341 /* no change */
342 break;
343 }
344 }
345
346 /* Negotiate the fc mode to use */
347 hw->mac.ops.fc_autoneg(hw);
348
349 /* Disable any previous flow control settings */
350 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
351 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
352
353 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
354 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
355
356 /*
357 * The possible values of fc.current_mode are:
358 * 0: Flow control is completely disabled
359 * 1: Rx flow control is enabled (we can receive pause frames,
360 * but not send pause frames).
361 * 2: Tx flow control is enabled (we can send pause frames but
362 * we do not support receiving pause frames).
363 * 3: Both Rx and Tx flow control (symmetric) are enabled.
364 * other: Invalid.
365 */
366 switch (hw->fc.current_mode) {
367 case ixgbe_fc_none:
368 /*
369 * Flow control is disabled by software override or autoneg.
370 * The code below will actually disable it in the HW.
371 */
372 break;
373 case ixgbe_fc_rx_pause:
374 /*
375 * Rx Flow control is enabled and Tx Flow control is
376 * disabled by software override. Since there really
377 * isn't a way to advertise that we are capable of RX
378 * Pause ONLY, we will advertise that we support both
379 * symmetric and asymmetric Rx PAUSE. Later, we will
380 * disable the adapter's ability to send PAUSE frames.
381 */
382 fctrl_reg |= IXGBE_FCTRL_RFCE;
383 break;
384 case ixgbe_fc_tx_pause:
385 /*
386 * Tx Flow control is enabled, and Rx Flow control is
387 * disabled by software override.
388 */
389 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
390 break;
391 case ixgbe_fc_full:
392 /* Flow control (both Rx and Tx) is enabled by SW override. */
393 fctrl_reg |= IXGBE_FCTRL_RFCE;
394 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
395 break;
396 default:
397 hw_dbg(hw, "Flow control param set incorrectly\n");
398 return IXGBE_ERR_CONFIG;
399 }
400
401 /* Set 802.3x based flow control settings. */
402 fctrl_reg |= IXGBE_FCTRL_DPF;
403 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
404 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
405
406 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
407 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
408 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
409 hw->fc.high_water[i]) {
410 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
411 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
412 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
413 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth);
414 } else {
415 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
416 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
417 }
418
419 }
420
421 /* Configure pause time (2 TCs per register) */
422 reg = hw->fc.pause_time * 0x00010001;
423 for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
424 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
425
426 /* Configure flow control refresh threshold value */
427 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
428
429 return 0;
430}
431
432/**
433 * ixgbe_start_mac_link_82598 - Configures MAC link settings
434 * @hw: pointer to hardware structure
435 * @autoneg_wait_to_complete: true when waiting for completion is needed
436 *
437 * Configures link settings based on values in the ixgbe_hw struct.
438 * Restarts the link. Performs autonegotiation if needed.
439 **/
440static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
441 bool autoneg_wait_to_complete)
442{
443 u32 autoc_reg;
444 u32 links_reg;
445 u32 i;
446 s32 status = 0;
447
448 /* Restart link */
449 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
450 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
451 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
452
453 /* Only poll for autoneg to complete if specified to do so */
454 if (autoneg_wait_to_complete) {
455 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
456 IXGBE_AUTOC_LMS_KX4_AN ||
457 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
458 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
459 links_reg = 0; /* Just in case Autoneg time = 0 */
460 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
461 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
462 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
463 break;
464 msleep(100);
465 }
466 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
467 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
468 hw_dbg(hw, "Autonegotiation did not complete.\n");
469 }
470 }
471 }
472
473 /* Add delay to filter out noises during initial link setup */
474 msleep(50);
475
476 return status;
477}
478
479/**
480 * ixgbe_validate_link_ready - Function looks for phy link
481 * @hw: pointer to hardware structure
482 *
483 * Function indicates success when phy link is available. If phy is not ready
484 * within 5 seconds of MAC indicating link, the function returns error.
485 **/
486static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
487{
488 u32 timeout;
489 u16 an_reg;
490
491 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
492 return 0;
493
494 for (timeout = 0;
495 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
496 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
497
498 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
499 (an_reg & MDIO_STAT1_LSTATUS))
500 break;
501
502 msleep(100);
503 }
504
505 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
506 hw_dbg(hw, "Link was indicated but link is down\n");
507 return IXGBE_ERR_LINK_SETUP;
508 }
509
510 return 0;
511}
512
513/**
514 * ixgbe_check_mac_link_82598 - Get link/speed status
515 * @hw: pointer to hardware structure
516 * @speed: pointer to link speed
517 * @link_up: true is link is up, false otherwise
518 * @link_up_wait_to_complete: bool used to wait for link up or not
519 *
520 * Reads the links register to determine if link is up and the current speed
521 **/
522static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
523 ixgbe_link_speed *speed, bool *link_up,
524 bool link_up_wait_to_complete)
525{
526 u32 links_reg;
527 u32 i;
528 u16 link_reg, adapt_comp_reg;
529
530 /*
531 * SERDES PHY requires us to read link status from register 0xC79F.
532 * Bit 0 set indicates link is up/ready; clear indicates link down.
533 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
534 * clear indicates active; set indicates inactive.
535 */
536 if (hw->phy.type == ixgbe_phy_nl) {
537 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
538 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
539 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
540 &adapt_comp_reg);
541 if (link_up_wait_to_complete) {
542 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
543 if ((link_reg & 1) &&
544 ((adapt_comp_reg & 1) == 0)) {
545 *link_up = true;
546 break;
547 } else {
548 *link_up = false;
549 }
550 msleep(100);
551 hw->phy.ops.read_reg(hw, 0xC79F,
552 MDIO_MMD_PMAPMD,
553 &link_reg);
554 hw->phy.ops.read_reg(hw, 0xC00C,
555 MDIO_MMD_PMAPMD,
556 &adapt_comp_reg);
557 }
558 } else {
559 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
560 *link_up = true;
561 else
562 *link_up = false;
563 }
564
565 if (!*link_up)
566 return 0;
567 }
568
569 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
570 if (link_up_wait_to_complete) {
571 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
572 if (links_reg & IXGBE_LINKS_UP) {
573 *link_up = true;
574 break;
575 } else {
576 *link_up = false;
577 }
578 msleep(100);
579 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
580 }
581 } else {
582 if (links_reg & IXGBE_LINKS_UP)
583 *link_up = true;
584 else
585 *link_up = false;
586 }
587
588 if (links_reg & IXGBE_LINKS_SPEED)
589 *speed = IXGBE_LINK_SPEED_10GB_FULL;
590 else
591 *speed = IXGBE_LINK_SPEED_1GB_FULL;
592
593 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up &&
594 (ixgbe_validate_link_ready(hw) != 0))
595 *link_up = false;
596
597 return 0;
598}
599
600/**
601 * ixgbe_setup_mac_link_82598 - Set MAC link speed
602 * @hw: pointer to hardware structure
603 * @speed: new link speed
604 * @autoneg_wait_to_complete: true when waiting for completion is needed
605 *
606 * Set the link speed in the AUTOC register and restarts link.
607 **/
608static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
609 ixgbe_link_speed speed,
610 bool autoneg_wait_to_complete)
611{
612 bool autoneg = false;
613 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
614 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
615 u32 autoc = curr_autoc;
616 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
617
618 /* Check to see if speed passed in is supported. */
619 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
620 speed &= link_capabilities;
621
622 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
623 return IXGBE_ERR_LINK_SETUP;
624
625 /* Set KX4/KX support according to speed requested */
626 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
627 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
628 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
629 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
630 autoc |= IXGBE_AUTOC_KX4_SUPP;
631 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
632 autoc |= IXGBE_AUTOC_KX_SUPP;
633 if (autoc != curr_autoc)
634 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
635 }
636
637 /* Setup and restart the link based on the new values in
638 * ixgbe_hw This will write the AUTOC register based on the new
639 * stored values
640 */
641 return ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
642}
643
644
645/**
646 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
647 * @hw: pointer to hardware structure
648 * @speed: new link speed
649 * @autoneg_wait_to_complete: true if waiting is needed to complete
650 *
651 * Sets the link speed in the AUTOC register in the MAC and restarts link.
652 **/
653static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
654 ixgbe_link_speed speed,
655 bool autoneg_wait_to_complete)
656{
657 s32 status;
658
659 /* Setup the PHY according to input speed */
660 status = hw->phy.ops.setup_link_speed(hw, speed,
661 autoneg_wait_to_complete);
662 /* Set up MAC */
663 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
664
665 return status;
666}
667
668/**
669 * ixgbe_reset_hw_82598 - Performs hardware reset
670 * @hw: pointer to hardware structure
671 *
672 * Resets the hardware by resetting the transmit and receive units, masks and
673 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
674 * reset.
675 **/
676static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
677{
678 s32 status;
679 s32 phy_status = 0;
680 u32 ctrl;
681 u32 gheccr;
682 u32 i;
683 u32 autoc;
684 u8 analog_val;
685
686 /* Call adapter stop to disable tx/rx and clear interrupts */
687 status = hw->mac.ops.stop_adapter(hw);
688 if (status)
689 return status;
690
691 /*
692 * Power up the Atlas Tx lanes if they are currently powered down.
693 * Atlas Tx lanes are powered down for MAC loopback tests, but
694 * they are not automatically restored on reset.
695 */
696 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
697 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
698 /* Enable Tx Atlas so packets can be transmitted again */
699 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
700 &analog_val);
701 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
702 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
703 analog_val);
704
705 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
706 &analog_val);
707 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
708 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
709 analog_val);
710
711 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
712 &analog_val);
713 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
714 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
715 analog_val);
716
717 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
718 &analog_val);
719 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
720 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
721 analog_val);
722 }
723
724 /* Reset PHY */
725 if (hw->phy.reset_disable == false) {
726 /* PHY ops must be identified and initialized prior to reset */
727
728 /* Init PHY and function pointers, perform SFP setup */
729 phy_status = hw->phy.ops.init(hw);
730 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
731 return phy_status;
732 if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
733 goto mac_reset_top;
734
735 hw->phy.ops.reset(hw);
736 }
737
738mac_reset_top:
739 /*
740 * Issue global reset to the MAC. This needs to be a SW reset.
741 * If link reset is used, it might reset the MAC when mng is using it
742 */
743 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST;
744 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
745 IXGBE_WRITE_FLUSH(hw);
746 usleep_range(1000, 1200);
747
748 /* Poll for reset bit to self-clear indicating reset is complete */
749 for (i = 0; i < 10; i++) {
750 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
751 if (!(ctrl & IXGBE_CTRL_RST))
752 break;
753 udelay(1);
754 }
755 if (ctrl & IXGBE_CTRL_RST) {
756 status = IXGBE_ERR_RESET_FAILED;
757 hw_dbg(hw, "Reset polling failed to complete.\n");
758 }
759
760 msleep(50);
761
762 /*
763 * Double resets are required for recovery from certain error
764 * conditions. Between resets, it is necessary to stall to allow time
765 * for any pending HW events to complete.
766 */
767 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
768 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
769 goto mac_reset_top;
770 }
771
772 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
773 gheccr &= ~(BIT(21) | BIT(18) | BIT(9) | BIT(6));
774 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
775
776 /*
777 * Store the original AUTOC value if it has not been
778 * stored off yet. Otherwise restore the stored original
779 * AUTOC value since the reset operation sets back to deaults.
780 */
781 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
782 if (hw->mac.orig_link_settings_stored == false) {
783 hw->mac.orig_autoc = autoc;
784 hw->mac.orig_link_settings_stored = true;
785 } else if (autoc != hw->mac.orig_autoc) {
786 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
787 }
788
789 /* Store the permanent mac address */
790 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
791
792 /*
793 * Store MAC address from RAR0, clear receive address registers, and
794 * clear the multicast table
795 */
796 hw->mac.ops.init_rx_addrs(hw);
797
798 if (phy_status)
799 status = phy_status;
800
801 return status;
802}
803
804/**
805 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
806 * @hw: pointer to hardware struct
807 * @rar: receive address register index to associate with a VMDq index
808 * @vmdq: VMDq set index
809 **/
810static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
811{
812 u32 rar_high;
813 u32 rar_entries = hw->mac.num_rar_entries;
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 IXGBE_ERR_INVALID_ARGUMENT;
819 }
820
821 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
822 rar_high &= ~IXGBE_RAH_VIND_MASK;
823 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
824 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
825 return 0;
826}
827
828/**
829 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
830 * @hw: pointer to hardware struct
831 * @rar: receive address register index to associate with a VMDq index
832 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
833 **/
834static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
835{
836 u32 rar_high;
837 u32 rar_entries = hw->mac.num_rar_entries;
838
839
840 /* Make sure we are using a valid rar index range */
841 if (rar >= rar_entries) {
842 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
843 return IXGBE_ERR_INVALID_ARGUMENT;
844 }
845
846 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
847 if (rar_high & IXGBE_RAH_VIND_MASK) {
848 rar_high &= ~IXGBE_RAH_VIND_MASK;
849 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
850 }
851
852 return 0;
853}
854
855/**
856 * ixgbe_set_vfta_82598 - Set VLAN filter table
857 * @hw: pointer to hardware structure
858 * @vlan: VLAN id to write to VLAN filter
859 * @vind: VMDq output index that maps queue to VLAN id in VFTA
860 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
861 * @vlvf_bypass: boolean flag - unused
862 *
863 * Turn on/off specified VLAN in the VLAN filter table.
864 **/
865static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
866 bool vlan_on, bool vlvf_bypass)
867{
868 u32 regindex;
869 u32 bitindex;
870 u32 bits;
871 u32 vftabyte;
872
873 if (vlan > 4095)
874 return IXGBE_ERR_PARAM;
875
876 /* Determine 32-bit word position in array */
877 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
878
879 /* Determine the location of the (VMD) queue index */
880 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
881 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
882
883 /* Set the nibble for VMD queue index */
884 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
885 bits &= (~(0x0F << bitindex));
886 bits |= (vind << bitindex);
887 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
888
889 /* Determine the location of the bit for this VLAN id */
890 bitindex = vlan & 0x1F; /* lower five bits */
891
892 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
893 if (vlan_on)
894 /* Turn on this VLAN id */
895 bits |= BIT(bitindex);
896 else
897 /* Turn off this VLAN id */
898 bits &= ~BIT(bitindex);
899 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
900
901 return 0;
902}
903
904/**
905 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
906 * @hw: pointer to hardware structure
907 *
908 * Clears the VLAN filer table, and the VMDq index associated with the filter
909 **/
910static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
911{
912 u32 offset;
913 u32 vlanbyte;
914
915 for (offset = 0; offset < hw->mac.vft_size; offset++)
916 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
917
918 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
919 for (offset = 0; offset < hw->mac.vft_size; offset++)
920 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
921 0);
922
923 return 0;
924}
925
926/**
927 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
928 * @hw: pointer to hardware structure
929 * @reg: analog register to read
930 * @val: read value
931 *
932 * Performs read operation to Atlas analog register specified.
933 **/
934static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
935{
936 u32 atlas_ctl;
937
938 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
939 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
940 IXGBE_WRITE_FLUSH(hw);
941 udelay(10);
942 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
943 *val = (u8)atlas_ctl;
944
945 return 0;
946}
947
948/**
949 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
950 * @hw: pointer to hardware structure
951 * @reg: atlas register to write
952 * @val: value to write
953 *
954 * Performs write operation to Atlas analog register specified.
955 **/
956static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
957{
958 u32 atlas_ctl;
959
960 atlas_ctl = (reg << 8) | val;
961 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
962 IXGBE_WRITE_FLUSH(hw);
963 udelay(10);
964
965 return 0;
966}
967
968/**
969 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
970 * @hw: pointer to hardware structure
971 * @dev_addr: address to read from
972 * @byte_offset: byte offset to read from dev_addr
973 * @eeprom_data: value read
974 *
975 * Performs 8 byte read operation to SFP module's data over I2C interface.
976 **/
977static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
978 u8 byte_offset, u8 *eeprom_data)
979{
980 s32 status = 0;
981 u16 sfp_addr = 0;
982 u16 sfp_data = 0;
983 u16 sfp_stat = 0;
984 u16 gssr;
985 u32 i;
986
987 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
988 gssr = IXGBE_GSSR_PHY1_SM;
989 else
990 gssr = IXGBE_GSSR_PHY0_SM;
991
992 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
993 return IXGBE_ERR_SWFW_SYNC;
994
995 if (hw->phy.type == ixgbe_phy_nl) {
996 /*
997 * phy SDA/SCL registers are at addresses 0xC30A to
998 * 0xC30D. These registers are used to talk to the SFP+
999 * module's EEPROM through the SDA/SCL (I2C) interface.
1000 */
1001 sfp_addr = (dev_addr << 8) + byte_offset;
1002 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
1003 hw->phy.ops.write_reg_mdi(hw,
1004 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
1005 MDIO_MMD_PMAPMD,
1006 sfp_addr);
1007
1008 /* Poll status */
1009 for (i = 0; i < 100; i++) {
1010 hw->phy.ops.read_reg_mdi(hw,
1011 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
1012 MDIO_MMD_PMAPMD,
1013 &sfp_stat);
1014 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
1015 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
1016 break;
1017 usleep_range(10000, 20000);
1018 }
1019
1020 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
1021 hw_dbg(hw, "EEPROM read did not pass.\n");
1022 status = IXGBE_ERR_SFP_NOT_PRESENT;
1023 goto out;
1024 }
1025
1026 /* Read data */
1027 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
1028 MDIO_MMD_PMAPMD, &sfp_data);
1029
1030 *eeprom_data = (u8)(sfp_data >> 8);
1031 } else {
1032 status = IXGBE_ERR_PHY;
1033 }
1034
1035out:
1036 hw->mac.ops.release_swfw_sync(hw, gssr);
1037 return status;
1038}
1039
1040/**
1041 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1042 * @hw: pointer to hardware structure
1043 * @byte_offset: EEPROM byte offset to read
1044 * @eeprom_data: value read
1045 *
1046 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1047 **/
1048static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1049 u8 *eeprom_data)
1050{
1051 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR,
1052 byte_offset, eeprom_data);
1053}
1054
1055/**
1056 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1057 * @hw: pointer to hardware structure
1058 * @byte_offset: byte offset at address 0xA2
1059 * @sff8472_data: value read
1060 *
1061 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1062 **/
1063static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
1064 u8 *sff8472_data)
1065{
1066 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2,
1067 byte_offset, sff8472_data);
1068}
1069
1070/**
1071 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1072 * port devices.
1073 * @hw: pointer to the HW structure
1074 *
1075 * Calls common function and corrects issue with some single port devices
1076 * that enable LAN1 but not LAN0.
1077 **/
1078static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
1079{
1080 struct ixgbe_bus_info *bus = &hw->bus;
1081 u16 pci_gen = 0;
1082 u16 pci_ctrl2 = 0;
1083
1084 ixgbe_set_lan_id_multi_port_pcie(hw);
1085
1086 /* check if LAN0 is disabled */
1087 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen);
1088 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) {
1089
1090 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2);
1091
1092 /* if LAN0 is completely disabled force function to 0 */
1093 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) &&
1094 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) &&
1095 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) {
1096
1097 bus->func = 0;
1098 }
1099 }
1100}
1101
1102/**
1103 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1104 * @hw: pointer to hardware structure
1105 * @num_pb: number of packet buffers to allocate
1106 * @headroom: reserve n KB of headroom
1107 * @strategy: packet buffer allocation strategy
1108 **/
1109static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
1110 u32 headroom, int strategy)
1111{
1112 u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
1113 u8 i = 0;
1114
1115 if (!num_pb)
1116 return;
1117
1118 /* Setup Rx packet buffer sizes */
1119 switch (strategy) {
1120 case PBA_STRATEGY_WEIGHTED:
1121 /* Setup the first four at 80KB */
1122 rxpktsize = IXGBE_RXPBSIZE_80KB;
1123 for (; i < 4; i++)
1124 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1125 /* Setup the last four at 48KB...don't re-init i */
1126 rxpktsize = IXGBE_RXPBSIZE_48KB;
1127 /* Fall Through */
1128 case PBA_STRATEGY_EQUAL:
1129 default:
1130 /* Divide the remaining Rx packet buffer evenly among the TCs */
1131 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1132 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1133 break;
1134 }
1135
1136 /* Setup Tx packet buffer sizes */
1137 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1138 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
1139}
1140
1141static const struct ixgbe_mac_operations mac_ops_82598 = {
1142 .init_hw = &ixgbe_init_hw_generic,
1143 .reset_hw = &ixgbe_reset_hw_82598,
1144 .start_hw = &ixgbe_start_hw_82598,
1145 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
1146 .get_media_type = &ixgbe_get_media_type_82598,
1147 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
1148 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1149 .stop_adapter = &ixgbe_stop_adapter_generic,
1150 .get_bus_info = &ixgbe_get_bus_info_generic,
1151 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598,
1152 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1153 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
1154 .setup_link = &ixgbe_setup_mac_link_82598,
1155 .set_rxpba = &ixgbe_set_rxpba_82598,
1156 .check_link = &ixgbe_check_mac_link_82598,
1157 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1158 .led_on = &ixgbe_led_on_generic,
1159 .led_off = &ixgbe_led_off_generic,
1160 .init_led_link_act = ixgbe_init_led_link_act_generic,
1161 .blink_led_start = &ixgbe_blink_led_start_generic,
1162 .blink_led_stop = &ixgbe_blink_led_stop_generic,
1163 .set_rar = &ixgbe_set_rar_generic,
1164 .clear_rar = &ixgbe_clear_rar_generic,
1165 .set_vmdq = &ixgbe_set_vmdq_82598,
1166 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1167 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1168 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1169 .enable_mc = &ixgbe_enable_mc_generic,
1170 .disable_mc = &ixgbe_disable_mc_generic,
1171 .clear_vfta = &ixgbe_clear_vfta_82598,
1172 .set_vfta = &ixgbe_set_vfta_82598,
1173 .fc_enable = &ixgbe_fc_enable_82598,
1174 .setup_fc = ixgbe_setup_fc_generic,
1175 .fc_autoneg = ixgbe_fc_autoneg,
1176 .set_fw_drv_ver = NULL,
1177 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
1178 .release_swfw_sync = &ixgbe_release_swfw_sync,
1179 .init_swfw_sync = NULL,
1180 .get_thermal_sensor_data = NULL,
1181 .init_thermal_sensor_thresh = NULL,
1182 .prot_autoc_read = &prot_autoc_read_generic,
1183 .prot_autoc_write = &prot_autoc_write_generic,
1184 .enable_rx = &ixgbe_enable_rx_generic,
1185 .disable_rx = &ixgbe_disable_rx_generic,
1186};
1187
1188static const struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1189 .init_params = &ixgbe_init_eeprom_params_generic,
1190 .read = &ixgbe_read_eerd_generic,
1191 .write = &ixgbe_write_eeprom_generic,
1192 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic,
1193 .read_buffer = &ixgbe_read_eerd_buffer_generic,
1194 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
1195 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1196 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1197};
1198
1199static const struct ixgbe_phy_operations phy_ops_82598 = {
1200 .identify = &ixgbe_identify_phy_generic,
1201 .identify_sfp = &ixgbe_identify_module_generic,
1202 .init = &ixgbe_init_phy_ops_82598,
1203 .reset = &ixgbe_reset_phy_generic,
1204 .read_reg = &ixgbe_read_phy_reg_generic,
1205 .write_reg = &ixgbe_write_phy_reg_generic,
1206 .read_reg_mdi = &ixgbe_read_phy_reg_mdi,
1207 .write_reg_mdi = &ixgbe_write_phy_reg_mdi,
1208 .setup_link = &ixgbe_setup_phy_link_generic,
1209 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
1210 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598,
1211 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
1212 .check_overtemp = &ixgbe_tn_check_overtemp,
1213};
1214
1215const struct ixgbe_info ixgbe_82598_info = {
1216 .mac = ixgbe_mac_82598EB,
1217 .get_invariants = &ixgbe_get_invariants_82598,
1218 .mac_ops = &mac_ops_82598,
1219 .eeprom_ops = &eeprom_ops_82598,
1220 .phy_ops = &phy_ops_82598,
1221 .mvals = ixgbe_mvals_8259X,
1222};