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gerrit-public.fairphone.software / kernel / msm-5.4 / 11afc1b1fd802c11dc0fa986c210602c177f1e21 / . / drivers / net / ixgbe / ixgbe_82599.c
blob: cc3bfa195b78921e6cbfbd11cd157b0c945029f2 [file] [log] [blame]
PJ Waskiewicz11afc1b2009-02-27 15:44:30 +0000[diff] [blame^]1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2009 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 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
28#include <linux/pci.h>
29#include <linux/delay.h>
30#include <linux/sched.h>
31
32#include "ixgbe.h"
33#include "ixgbe_phy.h"
34
35#define IXGBE_82599_MAX_TX_QUEUES 128
36#define IXGBE_82599_MAX_RX_QUEUES 128
37#define IXGBE_82599_RAR_ENTRIES 128
38#define IXGBE_82599_MC_TBL_SIZE 128
39#define IXGBE_82599_VFT_TBL_SIZE 128
40
41s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
42 ixgbe_link_speed *speed,
43 bool *autoneg);
44enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw);
45s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw);
46s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
47 ixgbe_link_speed speed, bool autoneg,
48 bool autoneg_wait_to_complete);
49s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw);
50s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw,
51 ixgbe_link_speed *speed,
52 bool *link_up, bool link_up_wait_to_complete);
53s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
54 ixgbe_link_speed speed,
55 bool autoneg,
56 bool autoneg_wait_to_complete);
57static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
58 ixgbe_link_speed *speed,
59 bool *autoneg);
60static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw);
61static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
62 ixgbe_link_speed speed,
63 bool autoneg,
64 bool autoneg_wait_to_complete);
65s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw);
66s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
67s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
68s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan,
69 u32 vind, bool vlan_on);
70s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw);
71s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index);
72s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index);
73s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw);
74s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val);
75s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val);
76s32 ixgbe_start_hw_rev_0_82599(struct ixgbe_hw *hw);
77s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw);
78s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw);
79u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw);
80
81void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
82{
83 struct ixgbe_mac_info *mac = &hw->mac;
84 if (hw->phy.multispeed_fiber) {
85 /* Set up dual speed SFP+ support */
86 mac->ops.setup_link =
87 &ixgbe_setup_mac_link_multispeed_fiber;
88 mac->ops.setup_link_speed =
89 &ixgbe_setup_mac_link_speed_multispeed_fiber;
90 } else {
91 mac->ops.setup_link =
92 &ixgbe_setup_mac_link_82599;
93 mac->ops.setup_link_speed =
94 &ixgbe_setup_mac_link_speed_82599;
95 }
96}
97
98s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
99{
100 s32 ret_val = 0;
101 u16 list_offset, data_offset, data_value;
102
103 if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
104 ixgbe_init_mac_link_ops_82599(hw);
105 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
106 &data_offset);
107
108 if (ret_val != 0)
109 goto setup_sfp_out;
110
111 hw->eeprom.ops.read(hw, ++data_offset, &data_value);
112 while (data_value != 0xffff) {
113 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
114 IXGBE_WRITE_FLUSH(hw);
115 hw->eeprom.ops.read(hw, ++data_offset, &data_value);
116 }
117 /* Now restart DSP */
118 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000102);
119 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000b1d);
120 IXGBE_WRITE_FLUSH(hw);
121 }
122
123setup_sfp_out:
124 return ret_val;
125}
126
127/**
128 * ixgbe_get_pcie_msix_count_82599 - Gets MSI-X vector count
129 * @hw: pointer to hardware structure
130 *
131 * Read PCIe configuration space, and get the MSI-X vector count from
132 * the capabilities table.
133 **/
134u32 ixgbe_get_pcie_msix_count_82599(struct ixgbe_hw *hw)
135{
136 struct ixgbe_adapter *adapter = hw->back;
137 u16 msix_count;
138 pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
139 &msix_count);
140 msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
141
142 /* MSI-X count is zero-based in HW, so increment to give proper value */
143 msix_count++;
144
145 return msix_count;
146}
147
148static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
149{
150 struct ixgbe_mac_info *mac = &hw->mac;
151 struct ixgbe_phy_info *phy = &hw->phy;
152 s32 ret_val;
153
154 /* Set the bus information prior to PHY identification */
155 mac->ops.get_bus_info(hw);
156
157 /* Call PHY identify routine to get the Cu or SFI phy type */
158 ret_val = phy->ops.identify(hw);
159
160 if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
161 goto get_invariants_out;
162
163 ixgbe_init_mac_link_ops_82599(hw);
164
165 /* Setup SFP module if there is one present. */
166 ret_val = mac->ops.setup_sfp(hw);
167
168 /* If copper media, overwrite with copper function pointers */
169 if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
170 mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
171 mac->ops.setup_link_speed =
172 &ixgbe_setup_copper_link_speed_82599;
173 mac->ops.get_link_capabilities =
174 &ixgbe_get_copper_link_capabilities_82599;
175 }
176
177 /* PHY Init */
178 switch (hw->phy.type) {
179 case ixgbe_phy_tn:
180 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
181 phy->ops.get_firmware_version =
182 &ixgbe_get_phy_firmware_version_tnx;
183 break;
184 default:
185 break;
186 }
187
188 mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
189 mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
190 mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
191 mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
192 mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
193 mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82599(hw);
194
195get_invariants_out:
196 return ret_val;
197}
198
199/**
200 * ixgbe_get_link_capabilities_82599 - Determines link capabilities
201 * @hw: pointer to hardware structure
202 * @speed: pointer to link speed
203 * @negotiation: true when autoneg or autotry is enabled
204 *
205 * Determines the link capabilities by reading the AUTOC register.
206 **/
207s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
208 ixgbe_link_speed *speed,
209 bool *negotiation)
210{
211 s32 status = 0;
212
213 switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) {
214 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
215 *speed = IXGBE_LINK_SPEED_1GB_FULL;
216 *negotiation = false;
217 break;
218
219 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
220 *speed = IXGBE_LINK_SPEED_10GB_FULL;
221 *negotiation = false;
222 break;
223
224 case IXGBE_AUTOC_LMS_1G_AN:
225 *speed = IXGBE_LINK_SPEED_1GB_FULL;
226 *negotiation = true;
227 break;
228
229 case IXGBE_AUTOC_LMS_10G_SERIAL:
230 *speed = IXGBE_LINK_SPEED_10GB_FULL;
231 *negotiation = false;
232 break;
233
234 case IXGBE_AUTOC_LMS_KX4_KX_KR:
235 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
236 *speed = IXGBE_LINK_SPEED_UNKNOWN;
237 if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
238 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
239 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
240 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
241 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
242 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
243 *negotiation = true;
244 break;
245
246 case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
247 *speed = IXGBE_LINK_SPEED_100_FULL;
248 if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
249 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
250 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
251 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
252 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
253 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
254 *negotiation = true;
255 break;
256
257 case IXGBE_AUTOC_LMS_SGMII_1G_100M:
258 *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
259 *negotiation = false;
260 break;
261
262 default:
263 status = IXGBE_ERR_LINK_SETUP;
264 goto out;
265 break;
266 }
267
268 if (hw->phy.multispeed_fiber) {
269 *speed |= IXGBE_LINK_SPEED_10GB_FULL |
270 IXGBE_LINK_SPEED_1GB_FULL;
271 *negotiation = true;
272 }
273
274out:
275 return status;
276}
277
278/**
279 * ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
280 * @hw: pointer to hardware structure
281 * @speed: pointer to link speed
282 * @autoneg: boolean auto-negotiation value
283 *
284 * Determines the link capabilities by reading the AUTOC register.
285 **/
286static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
287 ixgbe_link_speed *speed,
288 bool *autoneg)
289{
290 s32 status = IXGBE_ERR_LINK_SETUP;
291 u16 speed_ability;
292
293 *speed = 0;
294 *autoneg = true;
295
296 status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
297 IXGBE_MDIO_PMA_PMD_DEV_TYPE,
298 &speed_ability);
299
300 if (status == 0) {
301 if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
302 *speed |= IXGBE_LINK_SPEED_10GB_FULL;
303 if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
304 *speed |= IXGBE_LINK_SPEED_1GB_FULL;
305 }
306
307 return status;
308}
309
310/**
311 * ixgbe_get_media_type_82599 - Get media type
312 * @hw: pointer to hardware structure
313 *
314 * Returns the media type (fiber, copper, backplane)
315 **/
316enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
317{
318 enum ixgbe_media_type media_type;
319
320 /* Detect if there is a copper PHY attached. */
321 if (hw->phy.type == ixgbe_phy_cu_unknown ||
322 hw->phy.type == ixgbe_phy_tn) {
323 media_type = ixgbe_media_type_copper;
324 goto out;
325 }
326
327 switch (hw->device_id) {
328 case IXGBE_DEV_ID_82599:
329 case IXGBE_DEV_ID_82599_KX4:
330 /* Default device ID is mezzanine card KX/KX4 */
331 media_type = ixgbe_media_type_backplane;
332 break;
333 case IXGBE_DEV_ID_82599_SFP:
334 media_type = ixgbe_media_type_fiber;
335 break;
336 default:
337 media_type = ixgbe_media_type_unknown;
338 break;
339 }
340out:
341 return media_type;
342}
343
344/**
345 * ixgbe_setup_mac_link_82599 - Setup MAC link settings
346 * @hw: pointer to hardware structure
347 *
348 * Configures link settings based on values in the ixgbe_hw struct.
349 * Restarts the link. Performs autonegotiation if needed.
350 **/
351s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw)
352{
353 u32 autoc_reg;
354 u32 links_reg;
355 u32 i;
356 s32 status = 0;
357
358 /* Restart link */
359 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
360 autoc_reg |= IXGBE_AUTOC_AN_RESTART;
361 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
362
363 /* Only poll for autoneg to complete if specified to do so */
364 if (hw->phy.autoneg_wait_to_complete) {
365 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
366 IXGBE_AUTOC_LMS_KX4_KX_KR ||
367 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
368 IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
369 (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
370 IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
371 links_reg = 0; /* Just in case Autoneg time = 0 */
372 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
373 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
374 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
375 break;
376 msleep(100);
377 }
378 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
379 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
380 hw_dbg(hw, "Autoneg did not complete.\n");
381 }
382 }
383 }
384
385 /* Set up flow control */
386 status = ixgbe_setup_fc_generic(hw, 0);
387
388 /* Add delay to filter out noises during initial link setup */
389 msleep(50);
390
391 return status;
392}
393
394/**
395 * ixgbe_setup_mac_link_multispeed_fiber - Setup MAC link settings
396 * @hw: pointer to hardware structure
397 *
398 * Configures link settings based on values in the ixgbe_hw struct.
399 * Restarts the link for multi-speed fiber at 1G speed, if link
400 * fails at 10G.
401 * Performs autonegotiation if needed.
402 **/
403s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw)
404{
405 s32 status = 0;
406 ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_82599_AUTONEG;
407 status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw,
408 link_speed,
409 true, true);
410 return status;
411}
412
413/**
414 * ixgbe_setup_mac_link_speed_multispeed_fiber - Set MAC link speed
415 * @hw: pointer to hardware structure
416 * @speed: new link speed
417 * @autoneg: true if autonegotiation enabled
418 * @autoneg_wait_to_complete: true when waiting for completion is needed
419 *
420 * Set the link speed in the AUTOC register and restarts link.
421 **/
422s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
423 ixgbe_link_speed speed,
424 bool autoneg,
425 bool autoneg_wait_to_complete)
426{
427 s32 status = 0;
428 ixgbe_link_speed phy_link_speed;
429 ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
430 u32 speedcnt = 0;
431 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
432 bool link_up = false;
433 bool negotiation;
434
435 /* Mask off requested but non-supported speeds */
436 hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
437 speed &= phy_link_speed;
438
439 /*
440 * Try each speed one by one, highest priority first. We do this in
441 * software because 10gb fiber doesn't support speed autonegotiation.
442 */
443 if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
444 speedcnt++;
445 highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
446
447 /* Set hardware SDP's */
448 esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
449 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
450
451 ixgbe_setup_mac_link_speed_82599(hw,
452 IXGBE_LINK_SPEED_10GB_FULL,
453 autoneg,
454 autoneg_wait_to_complete);
455
456 msleep(50);
457
458 /* If we have link, just jump out */
459 hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
460 if (link_up)
461 goto out;
462 }
463
464 if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
465 speedcnt++;
466 if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
467 highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
468
469 /* Set hardware SDP's */
470 esdp_reg &= ~IXGBE_ESDP_SDP5;
471 esdp_reg |= IXGBE_ESDP_SDP5_DIR;
472 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
473
474 ixgbe_setup_mac_link_speed_82599(
475 hw, IXGBE_LINK_SPEED_1GB_FULL, autoneg,
476 autoneg_wait_to_complete);
477
478 msleep(50);
479
480 /* If we have link, just jump out */
481 hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
482 if (link_up)
483 goto out;
484 }
485
486 /*
487 * We didn't get link. Configure back to the highest speed we tried,
488 * (if there was more than one). We call ourselves back with just the
489 * single highest speed that the user requested.
490 */
491 if (speedcnt > 1)
492 status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw,
493 highest_link_speed,
494 autoneg,
495 autoneg_wait_to_complete);
496
497out:
498 return status;
499}
500
501/**
502 * ixgbe_check_mac_link_82599 - Determine link and speed status
503 * @hw: pointer to hardware structure
504 * @speed: pointer to link speed
505 * @link_up: true when link is up
506 * @link_up_wait_to_complete: bool used to wait for link up or not
507 *
508 * Reads the links register to determine if link is up and the current speed
509 **/
510s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
511 bool *link_up, bool link_up_wait_to_complete)
512{
513 u32 links_reg;
514 u32 i;
515
516 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
517 if (link_up_wait_to_complete) {
518 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
519 if (links_reg & IXGBE_LINKS_UP) {
520 *link_up = true;
521 break;
522 } else {
523 *link_up = false;
524 }
525 msleep(100);
526 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
527 }
528 } else {
529 if (links_reg & IXGBE_LINKS_UP)
530 *link_up = true;
531 else
532 *link_up = false;
533 }
534
535 if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
536 IXGBE_LINKS_SPEED_10G_82599)
537 *speed = IXGBE_LINK_SPEED_10GB_FULL;
538 else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
539 IXGBE_LINKS_SPEED_1G_82599)
540 *speed = IXGBE_LINK_SPEED_1GB_FULL;
541 else
542 *speed = IXGBE_LINK_SPEED_100_FULL;
543
544
545 return 0;
546}
547
548/**
549 * ixgbe_setup_mac_link_speed_82599 - Set MAC link speed
550 * @hw: pointer to hardware structure
551 * @speed: new link speed
552 * @autoneg: true if autonegotiation enabled
553 * @autoneg_wait_to_complete: true when waiting for completion is needed
554 *
555 * Set the link speed in the AUTOC register and restarts link.
556 **/
557s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
558 ixgbe_link_speed speed, bool autoneg,
559 bool autoneg_wait_to_complete)
560{
561 s32 status = 0;
562 u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
563 u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
564 u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
565 u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
566 u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
567 u32 links_reg;
568 u32 i;
569 ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
570
571 /* Check to see if speed passed in is supported. */
572 hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg);
573 speed &= link_capabilities;
574
575 if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
576 status = IXGBE_ERR_LINK_SETUP;
577 } else if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
578 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
579 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
580 /* Set KX4/KX/KR support according to speed requested */
581 autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
582 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
583 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
584 autoc |= IXGBE_AUTOC_KX4_SUPP;
585 if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
586 autoc |= IXGBE_AUTOC_KR_SUPP;
587 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
588 autoc |= IXGBE_AUTOC_KX_SUPP;
589 } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
590 (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
591 link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
592 /* Switch from 1G SFI to 10G SFI if requested */
593 if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
594 (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
595 autoc &= ~IXGBE_AUTOC_LMS_MASK;
596 autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
597 }
598 } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
599 (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
600 /* Switch from 10G SFI to 1G SFI if requested */
601 if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
602 (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
603 autoc &= ~IXGBE_AUTOC_LMS_MASK;
604 if (autoneg)
605 autoc |= IXGBE_AUTOC_LMS_1G_AN;
606 else
607 autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
608 }
609 }
610
611 if (status == 0) {
612 /* Restart link */
613 autoc |= IXGBE_AUTOC_AN_RESTART;
614 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
615
616 /* Only poll for autoneg to complete if specified to do so */
617 if (autoneg_wait_to_complete) {
618 if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
619 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
620 link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
621 links_reg = 0; /*Just in case Autoneg time=0*/
622 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
623 links_reg =
624 IXGBE_READ_REG(hw, IXGBE_LINKS);
625 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
626 break;
627 msleep(100);
628 }
629 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
630 status =
631 IXGBE_ERR_AUTONEG_NOT_COMPLETE;
632 hw_dbg(hw, "Autoneg did not "
633 "complete.\n");
634 }
635 }
636 }
637
638 /* Set up flow control */
639 status = ixgbe_setup_fc_generic(hw, 0);
640
641 /* Add delay to filter out noises during initial link setup */
642 msleep(50);
643 }
644
645 return status;
646}
647
648/**
649 * ixgbe_setup_copper_link_82599 - Setup copper link settings
650 * @hw: pointer to hardware structure
651 *
652 * Restarts the link on PHY and then MAC. Performs autonegotiation if needed.
653 **/
654static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw)
655{
656 s32 status;
657
658 /* Restart autonegotiation on PHY */
659 status = hw->phy.ops.setup_link(hw);
660
661 /* Set up MAC */
662 ixgbe_setup_mac_link_82599(hw);
663
664 return status;
665}
666
667/**
668 * ixgbe_setup_copper_link_speed_82599 - Set the PHY autoneg advertised field
669 * @hw: pointer to hardware structure
670 * @speed: new link speed
671 * @autoneg: true if autonegotiation enabled
672 * @autoneg_wait_to_complete: true if waiting is needed to complete
673 *
674 * Restarts link on PHY and MAC based on settings passed in.
675 **/
676static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
677 ixgbe_link_speed speed,
678 bool autoneg,
679 bool autoneg_wait_to_complete)
680{
681 s32 status;
682
683 /* Setup the PHY according to input speed */
684 status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
685 autoneg_wait_to_complete);
686 /* Set up MAC */
687 ixgbe_setup_mac_link_82599(hw);
688
689 return status;
690}
691
692/**
693 * ixgbe_reset_hw_82599 - Perform hardware reset
694 * @hw: pointer to hardware structure
695 *
696 * Resets the hardware by resetting the transmit and receive units, masks
697 * and clears all interrupts, perform a PHY reset, and perform a link (MAC)
698 * reset.
699 **/
700s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
701{
702 s32 status = 0;
703 u32 ctrl, ctrl_ext;
704 u32 i;
705 u32 autoc;
706 u32 autoc2;
707
708 /* Call adapter stop to disable tx/rx and clear interrupts */
709 hw->mac.ops.stop_adapter(hw);
710
711 /* Reset PHY */
712 hw->phy.ops.reset(hw);
713
714 /*
715 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
716 * access and verify no pending requests before reset
717 */
718 if (ixgbe_disable_pcie_master(hw) != 0) {
719 status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
720 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
721 }
722
723 /*
724 * Issue global reset to the MAC. This needs to be a SW reset.
725 * If link reset is used, it might reset the MAC when mng is using it
726 */
727 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
728 IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
729 IXGBE_WRITE_FLUSH(hw);
730
731 /* Poll for reset bit to self-clear indicating reset is complete */
732 for (i = 0; i < 10; i++) {
733 udelay(1);
734 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
735 if (!(ctrl & IXGBE_CTRL_RST))
736 break;
737 }
738 if (ctrl & IXGBE_CTRL_RST) {
739 status = IXGBE_ERR_RESET_FAILED;
740 hw_dbg(hw, "Reset polling failed to complete.\n");
741 }
742 /* Clear PF Reset Done bit so PF/VF Mail Ops can work */
743 ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
744 ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
745 IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
746
747 msleep(50);
748
749
750
751 /*
752 * Store the original AUTOC/AUTOC2 values if they have not been
753 * stored off yet. Otherwise restore the stored original
754 * values since the reset operation sets back to defaults.
755 */
756 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
757 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
758 if (hw->mac.orig_link_settings_stored == false) {
759 hw->mac.orig_autoc = autoc;
760 hw->mac.orig_autoc2 = autoc2;
761 hw->mac.orig_link_settings_stored = true;
762 } else {
763 if (autoc != hw->mac.orig_autoc)
764 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
765 IXGBE_AUTOC_AN_RESTART));
766
767 if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
768 (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
769 autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
770 autoc2 |= (hw->mac.orig_autoc2 &
771 IXGBE_AUTOC2_UPPER_MASK);
772 IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
773 }
774 }
775
776 /* Store the permanent mac address */
777 hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
778
779 return status;
780}
781
782/**
783 * ixgbe_clear_vmdq_82599 - Disassociate a VMDq pool index from a rx address
784 * @hw: pointer to hardware struct
785 * @rar: receive address register index to disassociate
786 * @vmdq: VMDq pool index to remove from the rar
787 **/
788s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
789{
790 u32 mpsar_lo, mpsar_hi;
791 u32 rar_entries = hw->mac.num_rar_entries;
792
793 if (rar < rar_entries) {
794 mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
795 mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
796
797 if (!mpsar_lo && !mpsar_hi)
798 goto done;
799
800 if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
801 if (mpsar_lo) {
802 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
803 mpsar_lo = 0;
804 }
805 if (mpsar_hi) {
806 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
807 mpsar_hi = 0;
808 }
809 } else if (vmdq < 32) {
810 mpsar_lo &= ~(1 << vmdq);
811 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
812 } else {
813 mpsar_hi &= ~(1 << (vmdq - 32));
814 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
815 }
816
817 /* was that the last pool using this rar? */
818 if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
819 hw->mac.ops.clear_rar(hw, rar);
820 } else {
821 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
822 }
823
824done:
825 return 0;
826}
827
828/**
829 * ixgbe_set_vmdq_82599 - Associate a VMDq pool index with a rx address
830 * @hw: pointer to hardware struct
831 * @rar: receive address register index to associate with a VMDq index
832 * @vmdq: VMDq pool index
833 **/
834s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
835{
836 u32 mpsar;
837 u32 rar_entries = hw->mac.num_rar_entries;
838
839 if (rar < rar_entries) {
840 if (vmdq < 32) {
841 mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
842 mpsar |= 1 << vmdq;
843 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
844 } else {
845 mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
846 mpsar |= 1 << (vmdq - 32);
847 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
848 }
849 } else {
850 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
851 }
852 return 0;
853}
854
855/**
856 * ixgbe_set_vfta_82599 - 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 VFVFB
860 * @vlan_on: boolean flag to turn on/off VLAN in VFVF
861 *
862 * Turn on/off specified VLAN in the VLAN filter table.
863 **/
864s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan, u32 vind,
865 bool vlan_on)
866{
867 u32 regindex;
868 u32 bitindex;
869 u32 bits;
870 u32 first_empty_slot;
871
872 if (vlan > 4095)
873 return IXGBE_ERR_PARAM;
874
875 /*
876 * this is a 2 part operation - first the VFTA, then the
877 * VLVF and VLVFB if vind is set
878 */
879
880 /* Part 1
881 * The VFTA is a bitstring made up of 128 32-bit registers
882 * that enable the particular VLAN id, much like the MTA:
883 * bits[11-5]: which register
884 * bits[4-0]: which bit in the register
885 */
886 regindex = (vlan >> 5) & 0x7F;
887 bitindex = vlan & 0x1F;
888 bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
889 if (vlan_on)
890 bits |= (1 << bitindex);
891 else
892 bits &= ~(1 << bitindex);
893 IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
894
895
896 /* Part 2
897 * If the vind is set
898 * Either vlan_on
899 * make sure the vlan is in VLVF
900 * set the vind bit in the matching VLVFB
901 * Or !vlan_on
902 * clear the pool bit and possibly the vind
903 */
904 if (vind) {
905 /* find the vlanid or the first empty slot */
906 first_empty_slot = 0;
907
908 for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
909 bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
910 if (!bits && !first_empty_slot)
911 first_empty_slot = regindex;
912 else if ((bits & 0x0FFF) == vlan)
913 break;
914 }
915
916 if (regindex >= IXGBE_VLVF_ENTRIES) {
917 if (first_empty_slot)
918 regindex = first_empty_slot;
919 else {
920 hw_dbg(hw, "No space in VLVF.\n");
921 goto out;
922 }
923 }
924
925 if (vlan_on) {
926 /* set the pool bit */
927 if (vind < 32) {
928 bits = IXGBE_READ_REG(hw,
929 IXGBE_VLVFB(regindex * 2));
930 bits |= (1 << vind);
931 IXGBE_WRITE_REG(hw,
932 IXGBE_VLVFB(regindex * 2), bits);
933 } else {
934 bits = IXGBE_READ_REG(hw,
935 IXGBE_VLVFB((regindex * 2) + 1));
936 bits |= (1 << vind);
937 IXGBE_WRITE_REG(hw,
938 IXGBE_VLVFB((regindex * 2) + 1), bits);
939 }
940 } else {
941 /* clear the pool bit */
942 if (vind < 32) {
943 bits = IXGBE_READ_REG(hw,
944 IXGBE_VLVFB(regindex * 2));
945 bits &= ~(1 << vind);
946 IXGBE_WRITE_REG(hw,
947 IXGBE_VLVFB(regindex * 2), bits);
948 bits |= IXGBE_READ_REG(hw,
949 IXGBE_VLVFB((regindex * 2) + 1));
950 } else {
951 bits = IXGBE_READ_REG(hw,
952 IXGBE_VLVFB((regindex * 2) + 1));
953 bits &= ~(1 << vind);
954 IXGBE_WRITE_REG(hw,
955 IXGBE_VLVFB((regindex * 2) + 1), bits);
956 bits |= IXGBE_READ_REG(hw,
957 IXGBE_VLVFB(regindex * 2));
958 }
959 }
960
961 if (bits)
962 IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex),
963 (IXGBE_VLVF_VIEN | vlan));
964 else
965 IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex), 0);
966 }
967
968out:
969 return 0;
970}
971
972/**
973 * ixgbe_clear_vfta_82599 - Clear VLAN filter table
974 * @hw: pointer to hardware structure
975 *
976 * Clears the VLAN filer table, and the VMDq index associated with the filter
977 **/
978s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw)
979{
980 u32 offset;
981
982 for (offset = 0; offset < hw->mac.vft_size; offset++)
983 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
984
985 for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
986 IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
987 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0);
988 IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset * 2) + 1), 0);
989 }
990
991 return 0;
992}
993
994/**
995 * ixgbe_blink_led_start_82599 - Blink LED based on index.
996 * @hw: pointer to hardware structure
997 * @index: led number to blink
998 **/
999s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index)
1000{
1001 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1002
1003 led_reg &= ~IXGBE_LED_MODE_MASK(index);
1004 led_reg |= IXGBE_LED_BLINK(index);
1005 IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
1006 IXGBE_WRITE_FLUSH(hw);
1007
1008 return 0;
1009}
1010
1011/**
1012 * ixgbe_blink_led_stop_82599 - Stop blinking LED based on index.
1013 * @hw: pointer to hardware structure
1014 * @index: led number to stop blinking
1015 **/
1016s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index)
1017{
1018 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1019
1020 led_reg &= ~IXGBE_LED_MODE_MASK(index);
1021 led_reg &= ~IXGBE_LED_BLINK(index);
1022 IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
1023 IXGBE_WRITE_FLUSH(hw);
1024
1025 return 0;
1026}
1027
1028/**
1029 * ixgbe_init_uta_tables_82599 - Initialize the Unicast Table Array
1030 * @hw: pointer to hardware structure
1031 **/
1032s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw)
1033{
1034 int i;
1035 hw_dbg(hw, " Clearing UTA\n");
1036
1037 for (i = 0; i < 128; i++)
1038 IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
1039
1040 return 0;
1041}
1042
1043/**
1044 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1045 * @hw: pointer to hardware structure
1046 * @reg: analog register to read
1047 * @val: read value
1048 *
1049 * Performs read operation to Omer analog register specified.
1050 **/
1051s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
1052{
1053 u32 core_ctl;
1054
1055 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
1056 (reg << 8));
1057 IXGBE_WRITE_FLUSH(hw);
1058 udelay(10);
1059 core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
1060 *val = (u8)core_ctl;
1061
1062 return 0;
1063}
1064
1065/**
1066 * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
1067 * @hw: pointer to hardware structure
1068 * @reg: atlas register to write
1069 * @val: value to write
1070 *
1071 * Performs write operation to Omer analog register specified.
1072 **/
1073s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
1074{
1075 u32 core_ctl;
1076
1077 core_ctl = (reg << 8) | val;
1078 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
1079 IXGBE_WRITE_FLUSH(hw);
1080 udelay(10);
1081
1082 return 0;
1083}
1084
1085/**
1086 * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
1087 * @hw: pointer to hardware structure
1088 *
1089 * Starts the hardware using the generic start_hw function.
1090 * Then performs device-specific:
1091 * Clears the rate limiter registers.
1092 **/
1093s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
1094{
1095 u32 q_num;
1096
1097 ixgbe_start_hw_generic(hw);
1098
1099 /* Clear the rate limiters */
1100 for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) {
1101 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num);
1102 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
1103 }
1104 IXGBE_WRITE_FLUSH(hw);
1105
1106 return 0;
1107}
1108
1109/**
1110 * ixgbe_identify_phy_82599 - Get physical layer module
1111 * @hw: pointer to hardware structure
1112 *
1113 * Determines the physical layer module found on the current adapter.
1114 **/
1115s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
1116{
1117 s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
1118 status = ixgbe_identify_phy_generic(hw);
1119 if (status != 0)
1120 status = ixgbe_identify_sfp_module_generic(hw);
1121 return status;
1122}
1123
1124/**
1125 * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
1126 * @hw: pointer to hardware structure
1127 *
1128 * Determines physical layer capabilities of the current configuration.
1129 **/
1130u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
1131{
1132 u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1133
1134 switch (hw->device_id) {
1135 case IXGBE_DEV_ID_82599:
1136 case IXGBE_DEV_ID_82599_KX4:
1137 /* Default device ID is mezzanine card KX/KX4 */
1138 physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
1139 IXGBE_PHYSICAL_LAYER_1000BASE_KX);
1140 break;
1141 case IXGBE_DEV_ID_82599_SFP:
1142 hw->phy.ops.identify_sfp(hw);
1143
1144 switch (hw->phy.sfp_type) {
1145 case ixgbe_sfp_type_da_cu:
1146 physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1147 break;
1148 case ixgbe_sfp_type_sr:
1149 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1150 break;
1151 case ixgbe_sfp_type_lr:
1152 physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1153 break;
1154 default:
1155 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1156 break;
1157 }
1158 break;
1159 default:
1160 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1161 break;
1162 }
1163
1164 return physical_layer;
1165}
1166
1167/**
1168 * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
1169 * @hw: pointer to hardware structure
1170 * @regval: register value to write to RXCTRL
1171 *
1172 * Enables the Rx DMA unit for 82599
1173 **/
1174s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
1175{
1176#define IXGBE_MAX_SECRX_POLL 30
1177 int i;
1178 int secrxreg;
1179
1180 /*
1181 * Workaround for 82599 silicon errata when enabling the Rx datapath.
1182 * If traffic is incoming before we enable the Rx unit, it could hang
1183 * the Rx DMA unit. Therefore, make sure the security engine is
1184 * completely disabled prior to enabling the Rx unit.
1185 */
1186 secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1187 secrxreg |= IXGBE_SECRXCTRL_RX_DIS;
1188 IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
1189 for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) {
1190 secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
1191 if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY)
1192 break;
1193 else
1194 udelay(10);
1195 }
1196
1197 /* For informational purposes only */
1198 if (i >= IXGBE_MAX_SECRX_POLL)
1199 hw_dbg(hw, "Rx unit being enabled before security "
1200 "path fully disabled. Continuing with init.\n");
1201
1202 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
1203 secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1204 secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS;
1205 IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
1206 IXGBE_WRITE_FLUSH(hw);
1207
1208 return 0;
1209}
1210
1211static struct ixgbe_mac_operations mac_ops_82599 = {
1212 .init_hw = &ixgbe_init_hw_generic,
1213 .reset_hw = &ixgbe_reset_hw_82599,
1214 .start_hw = &ixgbe_start_hw_82599,
1215 .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
1216 .get_media_type = &ixgbe_get_media_type_82599,
1217 .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
1218 .enable_rx_dma = &ixgbe_enable_rx_dma_82599,
1219 .get_mac_addr = &ixgbe_get_mac_addr_generic,
1220 .stop_adapter = &ixgbe_stop_adapter_generic,
1221 .get_bus_info = &ixgbe_get_bus_info_generic,
1222 .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
1223 .read_analog_reg8 = &ixgbe_read_analog_reg8_82599,
1224 .write_analog_reg8 = &ixgbe_write_analog_reg8_82599,
1225 .setup_link = &ixgbe_setup_mac_link_82599,
1226 .setup_link_speed = &ixgbe_setup_mac_link_speed_82599,
1227 .check_link = &ixgbe_check_mac_link_82599,
1228 .get_link_capabilities = &ixgbe_get_link_capabilities_82599,
1229 .led_on = &ixgbe_led_on_generic,
1230 .led_off = &ixgbe_led_off_generic,
1231 .blink_led_start = &ixgbe_blink_led_start_82599,
1232 .blink_led_stop = &ixgbe_blink_led_stop_82599,
1233 .set_rar = &ixgbe_set_rar_generic,
1234 .clear_rar = &ixgbe_clear_rar_generic,
1235 .set_vmdq = &ixgbe_set_vmdq_82599,
1236 .clear_vmdq = &ixgbe_clear_vmdq_82599,
1237 .init_rx_addrs = &ixgbe_init_rx_addrs_generic,
1238 .update_uc_addr_list = &ixgbe_update_uc_addr_list_generic,
1239 .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
1240 .enable_mc = &ixgbe_enable_mc_generic,
1241 .disable_mc = &ixgbe_disable_mc_generic,
1242 .clear_vfta = &ixgbe_clear_vfta_82599,
1243 .set_vfta = &ixgbe_set_vfta_82599,
1244 .setup_fc = &ixgbe_setup_fc_generic,
1245 .init_uta_tables = &ixgbe_init_uta_tables_82599,
1246 .setup_sfp = &ixgbe_setup_sfp_modules_82599,
1247};
1248
1249static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
1250 .init_params = &ixgbe_init_eeprom_params_generic,
1251 .read = &ixgbe_read_eeprom_generic,
1252 .write = &ixgbe_write_eeprom_generic,
1253 .validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
1254 .update_checksum = &ixgbe_update_eeprom_checksum_generic,
1255};
1256
1257static struct ixgbe_phy_operations phy_ops_82599 = {
1258 .identify = &ixgbe_identify_phy_82599,
1259 .identify_sfp = &ixgbe_identify_sfp_module_generic,
1260 .reset = &ixgbe_reset_phy_generic,
1261 .read_reg = &ixgbe_read_phy_reg_generic,
1262 .write_reg = &ixgbe_write_phy_reg_generic,
1263 .setup_link = &ixgbe_setup_phy_link_generic,
1264 .setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
1265 .read_i2c_byte = &ixgbe_read_i2c_byte_generic,
1266 .write_i2c_byte = &ixgbe_write_i2c_byte_generic,
1267 .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic,
1268 .write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic,
1269};
1270
1271struct ixgbe_info ixgbe_82599_info = {
1272 .mac = ixgbe_mac_82599EB,
1273 .get_invariants = &ixgbe_get_invariants_82599,
1274 .mac_ops = &mac_ops_82599,
1275 .eeprom_ops = &eeprom_ops_82599,
1276 .phy_ops = &phy_ops_82599,
1277};