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authorPJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>2009-02-27 10:44:30 -0500
committerDavid S. Miller <davem@davemloft.net>2009-03-01 03:24:33 -0500
commit11afc1b1fd802c11dc0fa986c210602c177f1e21 (patch)
tree16f46e5acf0aa7b5ec8b1a0cc07a0c89ac002642 /drivers/net/ixgbe/ixgbe_82599.c
parent8010dc306ba39a8cdb3993d1e809fcb7dfdf089a (diff)
ixgbe: Add hardware specific initialization code for 82599 devices
This patch adds the hardware initialization code specific to 82599. This is similar to the 82598 hardware initialization code. It also includes all changes to the existing hardware init code to support 82599. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82599.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_82599.c1277
1 files changed, 1277 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
new file mode 100644
index 00000000000..cc3bfa195b7
--- /dev/null
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -0,0 +1,1277 @@
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};
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 22:22:25 -0500