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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/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2016 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29#include <linux/pci.h>
30#include <linux/delay.h>
31#include <linux/sched.h>
32
33#include "ixgbe.h"
34#include "ixgbe_phy.h"
35
36#define IXGBE_82598_MAX_TX_QUEUES 32
37#define IXGBE_82598_MAX_RX_QUEUES 64
38#define IXGBE_82598_RAR_ENTRIES 16
39#define IXGBE_82598_MC_TBL_SIZE 128
40#define IXGBE_82598_VFT_TBL_SIZE 128
41#define IXGBE_82598_RX_PB_SIZE 512
42
43static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
44 ixgbe_link_speed speed,
45 bool autoneg_wait_to_complete);
46static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
47 u8 *eeprom_data);
48
49/**
50 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
51 * @hw: pointer to the HW structure
52 *
53 * The defaults for 82598 should be in the range of 50us to 50ms,
54 * however the hardware default for these parts is 500us to 1ms which is less
55 * than the 10ms recommended by the pci-e spec. To address this we need to
56 * increase the value to either 10ms to 250ms for capability version 1 config,
57 * or 16ms to 55ms for version 2.
58 **/
59static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
60{
61 u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
62 u16 pcie_devctl2;
63
64 if (ixgbe_removed(hw->hw_addr))
65 return;
66
67 /* only take action if timeout value is defaulted to 0 */
68 if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK)
69 goto out;
70
71 /*
72 * if capababilities version is type 1 we can write the
73 * timeout of 10ms to 250ms through the GCR register
74 */
75 if (!(gcr & IXGBE_GCR_CAP_VER2)) {
76 gcr |= IXGBE_GCR_CMPL_TMOUT_10ms;
77 goto out;
78 }
79
80 /*
81 * for version 2 capabilities we need to write the config space
82 * directly in order to set the completion timeout value for
83 * 16ms to 55ms
84 */
85 pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2);
86 pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms;
87 ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2);
88out:
89 /* disable completion timeout resend */
90 gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND;
91 IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr);
92}
93
94static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
95{
96 struct ixgbe_mac_info *mac = &hw->mac;
97
98 /* Call PHY identify routine to get the phy type */
99 ixgbe_identify_phy_generic(hw);
100
101 mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
102 mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
103 mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
104 mac->rx_pb_size = IXGBE_82598_RX_PB_SIZE;
105 mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
106 mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
107 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw);
108
109 return 0;
110}
111
112/**
113 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
114 * @hw: pointer to hardware structure
115 *
116 * Initialize any function pointers that were not able to be
117 * set during get_invariants because the PHY/SFP type was
118 * not known. Perform the SFP init if necessary.
119 *
120 **/
121static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
122{
123 struct ixgbe_mac_info *mac = &hw->mac;
124 struct ixgbe_phy_info *phy = &hw->phy;
125 s32 ret_val;
126 u16 list_offset, data_offset;
127
128 /* Identify the PHY */
129 phy->ops.identify(hw);
130
131 /* Overwrite the link function pointers if copper PHY */
132 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
133 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
134 mac->ops.get_link_capabilities =
135 &ixgbe_get_copper_link_capabilities_generic;
136 }
137
138 switch (hw->phy.type) {
139 case ixgbe_phy_tn:
140 phy->ops.setup_link = &ixgbe_setup_phy_link_tnx;
141 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
142 phy->ops.get_firmware_version =
143 &ixgbe_get_phy_firmware_version_tnx;
144 break;
145 case ixgbe_phy_nl:
146 phy->ops.reset = &ixgbe_reset_phy_nl;
147
148 /* Call SFP+ identify routine to get the SFP+ module type */
149 ret_val = phy->ops.identify_sfp(hw);
150 if (ret_val)
151 return ret_val;
152 if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
153 return IXGBE_ERR_SFP_NOT_SUPPORTED;
154
155 /* Check to see if SFP+ module is supported */
156 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
157 &list_offset,
158 &data_offset);
159 if (ret_val)
160 return IXGBE_ERR_SFP_NOT_SUPPORTED;
161 break;
162 default:
163 break;
164 }
165
166 return 0;
167}
168
169/**
170 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
171 * @hw: pointer to hardware structure
172 *
173 * Starts the hardware using the generic start_hw function.
174 * Disables relaxed ordering for archs other than SPARC
175 * Then set pcie completion timeout
176 *
177 **/
178static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
179{
180#ifndef CONFIG_SPARC
181 u32 regval;
182 u32 i;
183#endif
184 s32 ret_val;
185
186 ret_val = ixgbe_start_hw_generic(hw);
187
188#ifndef CONFIG_SPARC
189 /* Disable relaxed ordering */
190 for (i = 0; ((i < hw->mac.max_tx_queues) &&
191 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
192 regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
193 regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
194 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval);
195 }
196
197 for (i = 0; ((i < hw->mac.max_rx_queues) &&
198 (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
199 regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
200 regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
201 IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
202 IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
203 }
204#endif
205 if (ret_val)
206 return ret_val;
207
208 /* set the completion timeout for interface */
209 ixgbe_set_pcie_completion_timeout(hw);
210
211 return 0;
212}
213
214/**
215 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
216 * @hw: pointer to hardware structure
217 * @speed: pointer to link speed
218 * @autoneg: boolean auto-negotiation value
219 *
220 * Determines the link capabilities by reading the AUTOC register.
221 **/
222static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
223 ixgbe_link_speed *speed,
224 bool *autoneg)
225{
226 u32 autoc = 0;
227
228 /*
229 * Determine link capabilities based on the stored value of AUTOC,
230 * which represents EEPROM defaults. If AUTOC value has not been
231 * stored, use the current register value.
232 */
233 if (hw->mac.orig_link_settings_stored)
234 autoc = hw->mac.orig_autoc;
235 else
236 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
237
238 switch (autoc & IXGBE_AUTOC_LMS_MASK) {
239 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
240 *speed = IXGBE_LINK_SPEED_1GB_FULL;
241 *autoneg = false;
242 break;
243
244 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
245 *speed = IXGBE_LINK_SPEED_10GB_FULL;
246 *autoneg = false;
247 break;
248
249 case IXGBE_AUTOC_LMS_1G_AN:
250 *speed = IXGBE_LINK_SPEED_1GB_FULL;
251 *autoneg = true;
252 break;
253
254 case IXGBE_AUTOC_LMS_KX4_AN:
255 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
256 *speed = IXGBE_LINK_SPEED_UNKNOWN;
257 if (autoc & IXGBE_AUTOC_KX4_SUPP)
258 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
259 if (autoc & IXGBE_AUTOC_KX_SUPP)
260 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
261 *autoneg = true;
262 break;
263
264 default:
265 return IXGBE_ERR_LINK_SETUP;
266 }
267
268 return 0;
269}
270
271/**
272 * ixgbe_get_media_type_82598 - Determines media type
273 * @hw: pointer to hardware structure
274 *
275 * Returns the media type (fiber, copper, backplane)
276 **/
277static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
278{
279 /* Detect if there is a copper PHY attached. */
280 switch (hw->phy.type) {
281 case ixgbe_phy_cu_unknown:
282 case ixgbe_phy_tn:
283 return ixgbe_media_type_copper;
284
285 default:
286 break;
287 }
288
289 /* Media type for I82598 is based on device ID */
290 switch (hw->device_id) {
291 case IXGBE_DEV_ID_82598:
292 case IXGBE_DEV_ID_82598_BX:
293 /* Default device ID is mezzanine card KX/KX4 */
294 return ixgbe_media_type_backplane;
295
296 case IXGBE_DEV_ID_82598AF_DUAL_PORT:
297 case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
298 case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
299 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
300 case IXGBE_DEV_ID_82598EB_XF_LR:
301 case IXGBE_DEV_ID_82598EB_SFP_LOM:
302 return ixgbe_media_type_fiber;
303
304 case IXGBE_DEV_ID_82598EB_CX4:
305 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
306 return ixgbe_media_type_cx4;
307
308 case IXGBE_DEV_ID_82598AT:
309 case IXGBE_DEV_ID_82598AT2:
310 return ixgbe_media_type_copper;
311
312 default:
313 return ixgbe_media_type_unknown;
314 }
315}
316
317/**
318 * ixgbe_fc_enable_82598 - Enable flow control
319 * @hw: pointer to hardware structure
320 *
321 * Enable flow control according to the current settings.
322 **/
323static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
324{
325 u32 fctrl_reg;
326 u32 rmcs_reg;
327 u32 reg;
328 u32 fcrtl, fcrth;
329 u32 link_speed = 0;
330 int i;
331 bool link_up;
332
333 /* Validate the water mark configuration */
334 if (!hw->fc.pause_time)
335 return IXGBE_ERR_INVALID_LINK_SETTINGS;
336
337 /* Low water mark of zero causes XOFF floods */
338 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
339 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
340 hw->fc.high_water[i]) {
341 if (!hw->fc.low_water[i] ||
342 hw->fc.low_water[i] >= hw->fc.high_water[i]) {
343 hw_dbg(hw, "Invalid water mark configuration\n");
344 return IXGBE_ERR_INVALID_LINK_SETTINGS;
345 }
346 }
347 }
348
349 /*
350 * On 82598 having Rx FC on causes resets while doing 1G
351 * so if it's on turn it off once we know link_speed. For
352 * more details see 82598 Specification update.
353 */
354 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
355 if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
356 switch (hw->fc.requested_mode) {
357 case ixgbe_fc_full:
358 hw->fc.requested_mode = ixgbe_fc_tx_pause;
359 break;
360 case ixgbe_fc_rx_pause:
361 hw->fc.requested_mode = ixgbe_fc_none;
362 break;
363 default:
364 /* no change */
365 break;
366 }
367 }
368
369 /* Negotiate the fc mode to use */
370 hw->mac.ops.fc_autoneg(hw);
371
372 /* Disable any previous flow control settings */
373 fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
374 fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
375
376 rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
377 rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
378
379 /*
380 * The possible values of fc.current_mode are:
381 * 0: Flow control is completely disabled
382 * 1: Rx flow control is enabled (we can receive pause frames,
383 * but not send pause frames).
384 * 2: Tx flow control is enabled (we can send pause frames but
385 * we do not support receiving pause frames).
386 * 3: Both Rx and Tx flow control (symmetric) are enabled.
387 * other: Invalid.
388 */
389 switch (hw->fc.current_mode) {
390 case ixgbe_fc_none:
391 /*
392 * Flow control is disabled by software override or autoneg.
393 * The code below will actually disable it in the HW.
394 */
395 break;
396 case ixgbe_fc_rx_pause:
397 /*
398 * Rx Flow control is enabled and Tx Flow control is
399 * disabled by software override. Since there really
400 * isn't a way to advertise that we are capable of RX
401 * Pause ONLY, we will advertise that we support both
402 * symmetric and asymmetric Rx PAUSE. Later, we will
403 * disable the adapter's ability to send PAUSE frames.
404 */
405 fctrl_reg |= IXGBE_FCTRL_RFCE;
406 break;
407 case ixgbe_fc_tx_pause:
408 /*
409 * Tx Flow control is enabled, and Rx Flow control is
410 * disabled by software override.
411 */
412 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
413 break;
414 case ixgbe_fc_full:
415 /* Flow control (both Rx and Tx) is enabled by SW override. */
416 fctrl_reg |= IXGBE_FCTRL_RFCE;
417 rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
418 break;
419 default:
420 hw_dbg(hw, "Flow control param set incorrectly\n");
421 return IXGBE_ERR_CONFIG;
422 }
423
424 /* Set 802.3x based flow control settings. */
425 fctrl_reg |= IXGBE_FCTRL_DPF;
426 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
427 IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
428
429 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
430 for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
431 if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
432 hw->fc.high_water[i]) {
433 fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
434 fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
435 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
436 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth);
437 } else {
438 IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
439 IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
440 }
441
442 }
443
444 /* Configure pause time (2 TCs per register) */
445 reg = hw->fc.pause_time * 0x00010001;
446 for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
447 IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
448
449 /* Configure flow control refresh threshold value */
450 IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
451
452 return 0;
453}
454
455/**
456 * ixgbe_start_mac_link_82598 - Configures MAC link settings
457 * @hw: pointer to hardware structure
458 *
459 * Configures link settings based on values in the ixgbe_hw struct.
460 * Restarts the link. Performs autonegotiation if needed.
461 **/
462static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
463 bool autoneg_wait_to_complete)
464{
465 u32 autoc_reg;
466 u32 links_reg;
467 u32 i;
468 s32 status = 0;
469
470 /* Restart link */
471 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
472 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
473 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
474
475 /* Only poll for autoneg to complete if specified to do so */
476 if (autoneg_wait_to_complete) {
477 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
478 IXGBE_AUTOC_LMS_KX4_AN ||
479 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
480 IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
481 links_reg = 0; /* Just in case Autoneg time = 0 */
482 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
483 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
484 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
485 break;
486 msleep(100);
487 }
488 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
489 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
490 hw_dbg(hw, "Autonegotiation did not complete.\n");
491 }
492 }
493 }
494
495 /* Add delay to filter out noises during initial link setup */
496 msleep(50);
497
498 return status;
499}
500
501/**
502 * ixgbe_validate_link_ready - Function looks for phy link
503 * @hw: pointer to hardware structure
504 *
505 * Function indicates success when phy link is available. If phy is not ready
506 * within 5 seconds of MAC indicating link, the function returns error.
507 **/
508static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
509{
510 u32 timeout;
511 u16 an_reg;
512
513 if (hw->device_id != IXGBE_DEV_ID_82598AT2)
514 return 0;
515
516 for (timeout = 0;
517 timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
518 hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
519
520 if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
521 (an_reg & MDIO_STAT1_LSTATUS))
522 break;
523
524 msleep(100);
525 }
526
527 if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
528 hw_dbg(hw, "Link was indicated but link is down\n");
529 return IXGBE_ERR_LINK_SETUP;
530 }
531
532 return 0;
533}
534
535/**
536 * ixgbe_check_mac_link_82598 - Get link/speed status
537 * @hw: pointer to hardware structure
538 * @speed: pointer to link speed
539 * @link_up: true is link is up, false otherwise
540 * @link_up_wait_to_complete: bool used to wait for link up or not
541 *
542 * Reads the links register to determine if link is up and the current speed
543 **/
544static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw,
545 ixgbe_link_speed *speed, bool *link_up,
546 bool link_up_wait_to_complete)
547{
548 u32 links_reg;
549 u32 i;
550 u16 link_reg, adapt_comp_reg;
551
552 /*
553 * SERDES PHY requires us to read link status from register 0xC79F.
554 * Bit 0 set indicates link is up/ready; clear indicates link down.
555 * 0xC00C is read to check that the XAUI lanes are active. Bit 0
556 * clear indicates active; set indicates inactive.
557 */
558 if (hw->phy.type == ixgbe_phy_nl) {
559 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
560 hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
561 hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
562 &adapt_comp_reg);
563 if (link_up_wait_to_complete) {
564 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
565 if ((link_reg & 1) &&
566 ((adapt_comp_reg & 1) == 0)) {
567 *link_up = true;
568 break;
569 } else {
570 *link_up = false;
571 }
572 msleep(100);
573 hw->phy.ops.read_reg(hw, 0xC79F,
574 MDIO_MMD_PMAPMD,
575 &link_reg);
576 hw->phy.ops.read_reg(hw, 0xC00C,
577 MDIO_MMD_PMAPMD,
578 &adapt_comp_reg);
579 }
580 } else {
581 if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0))
582 *link_up = true;
583 else
584 *link_up = false;
585 }
586
587 if (!*link_up)
588 return 0;
589 }
590
591 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
592 if (link_up_wait_to_complete) {
593 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
594 if (links_reg & IXGBE_LINKS_UP) {
595 *link_up = true;
596 break;
597 } else {
598 *link_up = false;
599 }
600 msleep(100);
601 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
602 }
603 } else {
604 if (links_reg & IXGBE_LINKS_UP)
605 *link_up = true;
606 else
607 *link_up = false;
608 }
609
610 if (links_reg & IXGBE_LINKS_SPEED)
611 *speed = IXGBE_LINK_SPEED_10GB_FULL;
612 else
613 *speed = IXGBE_LINK_SPEED_1GB_FULL;
614
615 if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up &&
616 (ixgbe_validate_link_ready(hw) != 0))
617 *link_up = false;
618
619 return 0;
620}
621
622/**
623 * ixgbe_setup_mac_link_82598 - Set MAC link speed
624 * @hw: pointer to hardware structure
625 * @speed: new link speed
626 * @autoneg_wait_to_complete: true when waiting for completion is needed
627 *
628 * Set the link speed in the AUTOC register and restarts link.
629 **/
630static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
631 ixgbe_link_speed speed,
632 bool autoneg_wait_to_complete)
633{
634 bool autoneg = false;
635 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
636 u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
637 u32 autoc = curr_autoc;
638 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
639
640 /* Check to see if speed passed in is supported. */
641 ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg);
642 speed &= link_capabilities;
643
644 if (speed == IXGBE_LINK_SPEED_UNKNOWN)
645 return IXGBE_ERR_LINK_SETUP;
646
647 /* Set KX4/KX support according to speed requested */
648 else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
649 link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
650 autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK;
651 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
652 autoc |= IXGBE_AUTOC_KX4_SUPP;
653 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
654 autoc |= IXGBE_AUTOC_KX_SUPP;
655 if (autoc != curr_autoc)
656 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
657 }
658
659 /* Setup and restart the link based on the new values in
660 * ixgbe_hw This will write the AUTOC register based on the new
661 * stored values
662 */
663 return ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
664}
665
666
667/**
668 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
669 * @hw: pointer to hardware structure
670 * @speed: new link speed
671 * @autoneg_wait_to_complete: true if waiting is needed to complete
672 *
673 * Sets the link speed in the AUTOC register in the MAC and restarts link.
674 **/
675static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
676 ixgbe_link_speed speed,
677 bool autoneg_wait_to_complete)
678{
679 s32 status;
680
681 /* Setup the PHY according to input speed */
682 status = hw->phy.ops.setup_link_speed(hw, speed,
683 autoneg_wait_to_complete);
684 /* Set up MAC */
685 ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
686
687 return status;
688}
689
690/**
691 * ixgbe_reset_hw_82598 - Performs hardware reset
692 * @hw: pointer to hardware structure
693 *
694 * Resets the hardware by resetting the transmit and receive units, masks and
695 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
696 * reset.
697 **/
698static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
699{
700 s32 status;
701 s32 phy_status = 0;
702 u32 ctrl;
703 u32 gheccr;
704 u32 i;
705 u32 autoc;
706 u8 analog_val;
707
708 /* Call adapter stop to disable tx/rx and clear interrupts */
709 status = hw->mac.ops.stop_adapter(hw);
710 if (status)
711 return status;
712
713 /*
714 * Power up the Atlas Tx lanes if they are currently powered down.
715 * Atlas Tx lanes are powered down for MAC loopback tests, but
716 * they are not automatically restored on reset.
717 */
718 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
719 if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
720 /* Enable Tx Atlas so packets can be transmitted again */
721 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
722 &analog_val);
723 analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
724 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK,
725 analog_val);
726
727 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
728 &analog_val);
729 analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
730 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G,
731 analog_val);
732
733 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
734 &analog_val);
735 analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
736 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G,
737 analog_val);
738
739 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
740 &analog_val);
741 analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
742 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN,
743 analog_val);
744 }
745
746 /* Reset PHY */
747 if (hw->phy.reset_disable == false) {
748 /* PHY ops must be identified and initialized prior to reset */
749
750 /* Init PHY and function pointers, perform SFP setup */
751 phy_status = hw->phy.ops.init(hw);
752 if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
753 return phy_status;
754 if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
755 goto mac_reset_top;
756
757 hw->phy.ops.reset(hw);
758 }
759
760mac_reset_top:
761 /*
762 * Issue global reset to the MAC. This needs to be a SW reset.
763 * If link reset is used, it might reset the MAC when mng is using it
764 */
765 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST;
766 IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
767 IXGBE_WRITE_FLUSH(hw);
768 usleep_range(1000, 1200);
769
770 /* Poll for reset bit to self-clear indicating reset is complete */
771 for (i = 0; i < 10; i++) {
772 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
773 if (!(ctrl & IXGBE_CTRL_RST))
774 break;
775 udelay(1);
776 }
777 if (ctrl & IXGBE_CTRL_RST) {
778 status = IXGBE_ERR_RESET_FAILED;
779 hw_dbg(hw, "Reset polling failed to complete.\n");
780 }
781
782 msleep(50);
783
784 /*
785 * Double resets are required for recovery from certain error
786 * conditions. Between resets, it is necessary to stall to allow time
787 * for any pending HW events to complete.
788 */
789 if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
790 hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
791 goto mac_reset_top;
792 }
793
794 gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
795 gheccr &= ~(BIT(21) | BIT(18) | BIT(9) | BIT(6));
796 IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
797
798 /*
799 * Store the original AUTOC value if it has not been
800 * stored off yet. Otherwise restore the stored original
801 * AUTOC value since the reset operation sets back to deaults.
802 */
803 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
804 if (hw->mac.orig_link_settings_stored == false) {
805 hw->mac.orig_autoc = autoc;
806 hw->mac.orig_link_settings_stored = true;
807 } else if (autoc != hw->mac.orig_autoc) {
808 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
809 }
810
811 /* Store the permanent mac address */
812 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
813
814 /*
815 * Store MAC address from RAR0, clear receive address registers, and
816 * clear the multicast table
817 */
818 hw->mac.ops.init_rx_addrs(hw);
819
820 if (phy_status)
821 status = phy_status;
822
823 return status;
824}
825
826/**
827 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
828 * @hw: pointer to hardware struct
829 * @rar: receive address register index to associate with a VMDq index
830 * @vmdq: VMDq set index
831 **/
832static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
833{
834 u32 rar_high;
835 u32 rar_entries = hw->mac.num_rar_entries;
836
837 /* Make sure we are using a valid rar index range */
838 if (rar >= rar_entries) {
839 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
840 return IXGBE_ERR_INVALID_ARGUMENT;
841 }
842
843 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
844 rar_high &= ~IXGBE_RAH_VIND_MASK;
845 rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK);
846 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
847 return 0;
848}
849
850/**
851 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
852 * @hw: pointer to hardware struct
853 * @rar: receive address register index to associate with a VMDq index
854 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
855 **/
856static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
857{
858 u32 rar_high;
859 u32 rar_entries = hw->mac.num_rar_entries;
860
861
862 /* Make sure we are using a valid rar index range */
863 if (rar >= rar_entries) {
864 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
865 return IXGBE_ERR_INVALID_ARGUMENT;
866 }
867
868 rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
869 if (rar_high & IXGBE_RAH_VIND_MASK) {
870 rar_high &= ~IXGBE_RAH_VIND_MASK;
871 IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high);
872 }
873
874 return 0;
875}
876
877/**
878 * ixgbe_set_vfta_82598 - Set VLAN filter table
879 * @hw: pointer to hardware structure
880 * @vlan: VLAN id to write to VLAN filter
881 * @vind: VMDq output index that maps queue to VLAN id in VFTA
882 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
883 * @vlvf_bypass: boolean flag - unused
884 *
885 * Turn on/off specified VLAN in the VLAN filter table.
886 **/
887static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
888 bool vlan_on, bool vlvf_bypass)
889{
890 u32 regindex;
891 u32 bitindex;
892 u32 bits;
893 u32 vftabyte;
894
895 if (vlan > 4095)
896 return IXGBE_ERR_PARAM;
897
898 /* Determine 32-bit word position in array */
899 regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
900
901 /* Determine the location of the (VMD) queue index */
902 vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
903 bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
904
905 /* Set the nibble for VMD queue index */
906 bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex));
907 bits &= (~(0x0F << bitindex));
908 bits |= (vind << bitindex);
909 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits);
910
911 /* Determine the location of the bit for this VLAN id */
912 bitindex = vlan & 0x1F; /* lower five bits */
913
914 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
915 if (vlan_on)
916 /* Turn on this VLAN id */
917 bits |= BIT(bitindex);
918 else
919 /* Turn off this VLAN id */
920 bits &= ~BIT(bitindex);
921 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
922
923 return 0;
924}
925
926/**
927 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
928 * @hw: pointer to hardware structure
929 *
930 * Clears the VLAN filer table, and the VMDq index associated with the filter
931 **/
932static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw)
933{
934 u32 offset;
935 u32 vlanbyte;
936
937 for (offset = 0; offset < hw->mac.vft_size; offset++)
938 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
939
940 for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
941 for (offset = 0; offset < hw->mac.vft_size; offset++)
942 IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
943 0);
944
945 return 0;
946}
947
948/**
949 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
950 * @hw: pointer to hardware structure
951 * @reg: analog register to read
952 * @val: read value
953 *
954 * Performs read operation to Atlas analog register specified.
955 **/
956static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val)
957{
958 u32 atlas_ctl;
959
960 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
961 IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
962 IXGBE_WRITE_FLUSH(hw);
963 udelay(10);
964 atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
965 *val = (u8)atlas_ctl;
966
967 return 0;
968}
969
970/**
971 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
972 * @hw: pointer to hardware structure
973 * @reg: atlas register to write
974 * @val: value to write
975 *
976 * Performs write operation to Atlas analog register specified.
977 **/
978static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val)
979{
980 u32 atlas_ctl;
981
982 atlas_ctl = (reg << 8) | val;
983 IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
984 IXGBE_WRITE_FLUSH(hw);
985 udelay(10);
986
987 return 0;
988}
989
990/**
991 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
992 * @hw: pointer to hardware structure
993 * @dev_addr: address to read from
994 * @byte_offset: byte offset to read from dev_addr
995 * @eeprom_data: value read
996 *
997 * Performs 8 byte read operation to SFP module's data over I2C interface.
998 **/
999static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
1000 u8 byte_offset, u8 *eeprom_data)
1001{
1002 s32 status = 0;
1003 u16 sfp_addr = 0;
1004 u16 sfp_data = 0;
1005 u16 sfp_stat = 0;
1006 u16 gssr;
1007 u32 i;
1008
1009 if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
1010 gssr = IXGBE_GSSR_PHY1_SM;
1011 else
1012 gssr = IXGBE_GSSR_PHY0_SM;
1013
1014 if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
1015 return IXGBE_ERR_SWFW_SYNC;
1016
1017 if (hw->phy.type == ixgbe_phy_nl) {
1018 /*
1019 * phy SDA/SCL registers are at addresses 0xC30A to
1020 * 0xC30D. These registers are used to talk to the SFP+
1021 * module's EEPROM through the SDA/SCL (I2C) interface.
1022 */
1023 sfp_addr = (dev_addr << 8) + byte_offset;
1024 sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
1025 hw->phy.ops.write_reg_mdi(hw,
1026 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
1027 MDIO_MMD_PMAPMD,
1028 sfp_addr);
1029
1030 /* Poll status */
1031 for (i = 0; i < 100; i++) {
1032 hw->phy.ops.read_reg_mdi(hw,
1033 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
1034 MDIO_MMD_PMAPMD,
1035 &sfp_stat);
1036 sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
1037 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
1038 break;
1039 usleep_range(10000, 20000);
1040 }
1041
1042 if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
1043 hw_dbg(hw, "EEPROM read did not pass.\n");
1044 status = IXGBE_ERR_SFP_NOT_PRESENT;
1045 goto out;
1046 }
1047
1048 /* Read data */
1049 hw->phy.ops.read_reg_mdi(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
1050 MDIO_MMD_PMAPMD, &sfp_data);
1051
1052 *eeprom_data = (u8)(sfp_data >> 8);
1053 } else {
1054 status = IXGBE_ERR_PHY;
1055 }
1056
1057out:
1058 hw->mac.ops.release_swfw_sync(hw, gssr);
1059 return status;
1060}
1061
1062/**
1063 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1064 * @hw: pointer to hardware structure
1065 * @byte_offset: EEPROM byte offset to read
1066 * @eeprom_data: value read
1067 *
1068 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1069 **/
1070static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
1071 u8 *eeprom_data)
1072{
1073 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR,
1074 byte_offset, eeprom_data);
1075}
1076
1077/**
1078 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1079 * @hw: pointer to hardware structure
1080 * @byte_offset: byte offset at address 0xA2
1081 * @eeprom_data: value read
1082 *
1083 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1084 **/
1085static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset,
1086 u8 *sff8472_data)
1087{
1088 return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2,
1089 byte_offset, sff8472_data);
1090}
1091
1092/**
1093 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1094 * port devices.
1095 * @hw: pointer to the HW structure
1096 *
1097 * Calls common function and corrects issue with some single port devices
1098 * that enable LAN1 but not LAN0.
1099 **/
1100static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
1101{
1102 struct ixgbe_bus_info *bus = &hw->bus;
1103 u16 pci_gen = 0;
1104 u16 pci_ctrl2 = 0;
1105
1106 ixgbe_set_lan_id_multi_port_pcie(hw);
1107
1108 /* check if LAN0 is disabled */
1109 hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen);
1110 if ((pci_gen != 0) && (pci_gen != 0xFFFF)) {
1111
1112 hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2);
1113
1114 /* if LAN0 is completely disabled force function to 0 */
1115 if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) &&
1116 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) &&
1117 !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) {
1118
1119 bus->func = 0;
1120 }
1121 }
1122}
1123
1124/**
1125 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1126 * @hw: pointer to hardware structure
1127 * @num_pb: number of packet buffers to allocate
1128 * @headroom: reserve n KB of headroom
1129 * @strategy: packet buffer allocation strategy
1130 **/
1131static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb,
1132 u32 headroom, int strategy)
1133{
1134 u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
1135 u8 i = 0;
1136
1137 if (!num_pb)
1138 return;
1139
1140 /* Setup Rx packet buffer sizes */
1141 switch (strategy) {
1142 case PBA_STRATEGY_WEIGHTED:
1143 /* Setup the first four at 80KB */
1144 rxpktsize = IXGBE_RXPBSIZE_80KB;
1145 for (; i < 4; i++)
1146 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1147 /* Setup the last four at 48KB...don't re-init i */
1148 rxpktsize = IXGBE_RXPBSIZE_48KB;
1149 /* Fall Through */
1150 case PBA_STRATEGY_EQUAL:
1151 default:
1152 /* Divide the remaining Rx packet buffer evenly among the TCs */
1153 for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1154 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
1155 break;
1156 }
1157
1158 /* Setup Tx packet buffer sizes */
1159 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
1160 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
1161}
1162
1163static const struct ixgbe_mac_operations mac_ops_82598 = {
1164 .init_hw = &ixgbe_init_hw_generic,
1165 .reset_hw = &ixgbe_reset_hw_82598,
1166 .start_hw = &ixgbe_start_hw_82598,
1167 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
1168 .get_media_type = &ixgbe_get_media_type_82598,
1169 .enable_rx_dma = &ixgbe_enable_rx_dma_generic,
1170 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1171 .stop_adapter = &ixgbe_stop_adapter_generic,
1172 .get_bus_info = &ixgbe_get_bus_info_generic,
1173 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598,
1174 .read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
1175 .write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
1176 .setup_link = &ixgbe_setup_mac_link_82598,
1177 .set_rxpba = &ixgbe_set_rxpba_82598,
1178 .check_link = &ixgbe_check_mac_link_82598,
1179 .get_link_capabilities = &ixgbe_get_link_capabilities_82598,
1180 .led_on = &ixgbe_led_on_generic,
1181 .led_off = &ixgbe_led_off_generic,
1182 .init_led_link_act = ixgbe_init_led_link_act_generic,
1183 .blink_led_start = &ixgbe_blink_led_start_generic,
1184 .blink_led_stop = &ixgbe_blink_led_stop_generic,
1185 .set_rar = &ixgbe_set_rar_generic,
1186 .clear_rar = &ixgbe_clear_rar_generic,
1187 .set_vmdq = &ixgbe_set_vmdq_82598,
1188 .clear_vmdq = &ixgbe_clear_vmdq_82598,
1189 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1190 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1191 .enable_mc = &ixgbe_enable_mc_generic,
1192 .disable_mc = &ixgbe_disable_mc_generic,
1193 .clear_vfta = &ixgbe_clear_vfta_82598,
1194 .set_vfta = &ixgbe_set_vfta_82598,
1195 .fc_enable = &ixgbe_fc_enable_82598,
1196 .setup_fc = ixgbe_setup_fc_generic,
1197 .fc_autoneg = ixgbe_fc_autoneg,
1198 .set_fw_drv_ver = NULL,
1199 .acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
1200 .release_swfw_sync = &ixgbe_release_swfw_sync,
1201 .init_swfw_sync = NULL,
1202 .get_thermal_sensor_data = NULL,
1203 .init_thermal_sensor_thresh = NULL,
1204 .prot_autoc_read = &prot_autoc_read_generic,
1205 .prot_autoc_write = &prot_autoc_write_generic,
1206 .enable_rx = &ixgbe_enable_rx_generic,
1207 .disable_rx = &ixgbe_disable_rx_generic,
1208};
1209
1210static const struct ixgbe_eeprom_operations eeprom_ops_82598 = {
1211 .init_params = &ixgbe_init_eeprom_params_generic,
1212 .read = &ixgbe_read_eerd_generic,
1213 .write = &ixgbe_write_eeprom_generic,
1214 .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic,
1215 .read_buffer = &ixgbe_read_eerd_buffer_generic,
1216 .calc_checksum = &ixgbe_calc_eeprom_checksum_generic,
1217 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1218 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1219};
1220
1221static const struct ixgbe_phy_operations phy_ops_82598 = {
1222 .identify = &ixgbe_identify_phy_generic,
1223 .identify_sfp = &ixgbe_identify_module_generic,
1224 .init = &ixgbe_init_phy_ops_82598,
1225 .reset = &ixgbe_reset_phy_generic,
1226 .read_reg = &ixgbe_read_phy_reg_generic,
1227 .write_reg = &ixgbe_write_phy_reg_generic,
1228 .read_reg_mdi = &ixgbe_read_phy_reg_mdi,
1229 .write_reg_mdi = &ixgbe_write_phy_reg_mdi,
1230 .setup_link = &ixgbe_setup_phy_link_generic,
1231 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
1232 .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598,
1233 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
1234 .check_overtemp = &ixgbe_tn_check_overtemp,
1235};
1236
1237const struct ixgbe_info ixgbe_82598_info = {
1238 .mac = ixgbe_mac_82598EB,
1239 .get_invariants = &ixgbe_get_invariants_82598,
1240 .mac_ops = &mac_ops_82598,
1241 .eeprom_ops = &eeprom_ops_82598,
1242 .phy_ops = &phy_ops_82598,
1243 .mvals = ixgbe_mvals_8259X,
1244};