1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2010 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #include <linux/pci.h>
29 #include <linux/delay.h>
30 #include <linux/sched.h>
33 #include "ixgbe_phy.h"
34 #include "ixgbe_mbx.h"
36 #define IXGBE_82599_MAX_TX_QUEUES 128
37 #define IXGBE_82599_MAX_RX_QUEUES 128
38 #define IXGBE_82599_RAR_ENTRIES 128
39 #define IXGBE_82599_MC_TBL_SIZE 128
40 #define IXGBE_82599_VFT_TBL_SIZE 128
42 void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
);
43 void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
);
44 void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
);
45 s32
ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw
*hw
,
46 ixgbe_link_speed speed
,
48 bool autoneg_wait_to_complete
);
49 static s32
ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw
*hw
,
50 ixgbe_link_speed speed
,
52 bool autoneg_wait_to_complete
);
53 s32
ixgbe_start_mac_link_82599(struct ixgbe_hw
*hw
,
54 bool autoneg_wait_to_complete
);
55 s32
ixgbe_setup_mac_link_82599(struct ixgbe_hw
*hw
,
56 ixgbe_link_speed speed
,
58 bool autoneg_wait_to_complete
);
59 static s32
ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw
*hw
,
60 ixgbe_link_speed
*speed
,
62 static s32
ixgbe_setup_copper_link_82599(struct ixgbe_hw
*hw
,
63 ixgbe_link_speed speed
,
65 bool autoneg_wait_to_complete
);
66 static s32
ixgbe_verify_fw_version_82599(struct ixgbe_hw
*hw
);
68 static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw
*hw
)
70 struct ixgbe_mac_info
*mac
= &hw
->mac
;
71 if (hw
->phy
.multispeed_fiber
) {
72 /* Set up dual speed SFP+ support */
73 mac
->ops
.setup_link
= &ixgbe_setup_mac_link_multispeed_fiber
;
74 mac
->ops
.disable_tx_laser
=
75 &ixgbe_disable_tx_laser_multispeed_fiber
;
76 mac
->ops
.enable_tx_laser
=
77 &ixgbe_enable_tx_laser_multispeed_fiber
;
78 mac
->ops
.flap_tx_laser
= &ixgbe_flap_tx_laser_multispeed_fiber
;
80 mac
->ops
.disable_tx_laser
= NULL
;
81 mac
->ops
.enable_tx_laser
= NULL
;
82 mac
->ops
.flap_tx_laser
= NULL
;
83 if ((mac
->ops
.get_media_type(hw
) ==
84 ixgbe_media_type_backplane
) &&
85 (hw
->phy
.smart_speed
== ixgbe_smart_speed_auto
||
86 hw
->phy
.smart_speed
== ixgbe_smart_speed_on
))
87 mac
->ops
.setup_link
= &ixgbe_setup_mac_link_smartspeed
;
89 mac
->ops
.setup_link
= &ixgbe_setup_mac_link_82599
;
93 static s32
ixgbe_setup_sfp_modules_82599(struct ixgbe_hw
*hw
)
96 u16 list_offset
, data_offset
, data_value
;
98 if (hw
->phy
.sfp_type
!= ixgbe_sfp_type_unknown
) {
99 ixgbe_init_mac_link_ops_82599(hw
);
101 hw
->phy
.ops
.reset
= NULL
;
103 ret_val
= ixgbe_get_sfp_init_sequence_offsets(hw
, &list_offset
,
109 /* PHY config will finish before releasing the semaphore */
110 ret_val
= ixgbe_acquire_swfw_sync(hw
, IXGBE_GSSR_MAC_CSR_SM
);
112 ret_val
= IXGBE_ERR_SWFW_SYNC
;
116 hw
->eeprom
.ops
.read(hw
, ++data_offset
, &data_value
);
117 while (data_value
!= 0xffff) {
118 IXGBE_WRITE_REG(hw
, IXGBE_CORECTL
, data_value
);
119 IXGBE_WRITE_FLUSH(hw
);
120 hw
->eeprom
.ops
.read(hw
, ++data_offset
, &data_value
);
122 /* Now restart DSP by setting Restart_AN */
123 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
,
124 (IXGBE_READ_REG(hw
, IXGBE_AUTOC
) | IXGBE_AUTOC_AN_RESTART
));
126 /* Release the semaphore */
127 ixgbe_release_swfw_sync(hw
, IXGBE_GSSR_MAC_CSR_SM
);
128 /* Delay obtaining semaphore again to allow FW access */
129 msleep(hw
->eeprom
.semaphore_delay
);
136 static s32
ixgbe_get_invariants_82599(struct ixgbe_hw
*hw
)
138 struct ixgbe_mac_info
*mac
= &hw
->mac
;
140 ixgbe_init_mac_link_ops_82599(hw
);
142 mac
->mcft_size
= IXGBE_82599_MC_TBL_SIZE
;
143 mac
->vft_size
= IXGBE_82599_VFT_TBL_SIZE
;
144 mac
->num_rar_entries
= IXGBE_82599_RAR_ENTRIES
;
145 mac
->max_rx_queues
= IXGBE_82599_MAX_RX_QUEUES
;
146 mac
->max_tx_queues
= IXGBE_82599_MAX_TX_QUEUES
;
147 mac
->max_msix_vectors
= ixgbe_get_pcie_msix_count_generic(hw
);
153 * ixgbe_init_phy_ops_82599 - PHY/SFP specific init
154 * @hw: pointer to hardware structure
156 * Initialize any function pointers that were not able to be
157 * set during get_invariants because the PHY/SFP type was
158 * not known. Perform the SFP init if necessary.
161 static s32
ixgbe_init_phy_ops_82599(struct ixgbe_hw
*hw
)
163 struct ixgbe_mac_info
*mac
= &hw
->mac
;
164 struct ixgbe_phy_info
*phy
= &hw
->phy
;
167 /* Identify the PHY or SFP module */
168 ret_val
= phy
->ops
.identify(hw
);
170 /* Setup function pointers based on detected SFP module and speeds */
171 ixgbe_init_mac_link_ops_82599(hw
);
173 /* If copper media, overwrite with copper function pointers */
174 if (mac
->ops
.get_media_type(hw
) == ixgbe_media_type_copper
) {
175 mac
->ops
.setup_link
= &ixgbe_setup_copper_link_82599
;
176 mac
->ops
.get_link_capabilities
=
177 &ixgbe_get_copper_link_capabilities_82599
;
180 /* Set necessary function pointers based on phy type */
181 switch (hw
->phy
.type
) {
183 phy
->ops
.check_link
= &ixgbe_check_phy_link_tnx
;
184 phy
->ops
.get_firmware_version
=
185 &ixgbe_get_phy_firmware_version_tnx
;
195 * ixgbe_get_link_capabilities_82599 - Determines link capabilities
196 * @hw: pointer to hardware structure
197 * @speed: pointer to link speed
198 * @negotiation: true when autoneg or autotry is enabled
200 * Determines the link capabilities by reading the AUTOC register.
202 static s32
ixgbe_get_link_capabilities_82599(struct ixgbe_hw
*hw
,
203 ixgbe_link_speed
*speed
,
209 /* Determine 1G link capabilities off of SFP+ type */
210 if (hw
->phy
.sfp_type
== ixgbe_sfp_type_1g_cu_core0
||
211 hw
->phy
.sfp_type
== ixgbe_sfp_type_1g_cu_core1
) {
212 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
218 * Determine link capabilities based on the stored value of AUTOC,
219 * which represents EEPROM defaults. If AUTOC value has not been
220 * stored, use the current register value.
222 if (hw
->mac
.orig_link_settings_stored
)
223 autoc
= hw
->mac
.orig_autoc
;
225 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
227 switch (autoc
& IXGBE_AUTOC_LMS_MASK
) {
228 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN
:
229 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
230 *negotiation
= false;
233 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN
:
234 *speed
= IXGBE_LINK_SPEED_10GB_FULL
;
235 *negotiation
= false;
238 case IXGBE_AUTOC_LMS_1G_AN
:
239 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
243 case IXGBE_AUTOC_LMS_10G_SERIAL
:
244 *speed
= IXGBE_LINK_SPEED_10GB_FULL
;
245 *negotiation
= false;
248 case IXGBE_AUTOC_LMS_KX4_KX_KR
:
249 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN
:
250 *speed
= IXGBE_LINK_SPEED_UNKNOWN
;
251 if (autoc
& IXGBE_AUTOC_KR_SUPP
)
252 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
253 if (autoc
& IXGBE_AUTOC_KX4_SUPP
)
254 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
255 if (autoc
& IXGBE_AUTOC_KX_SUPP
)
256 *speed
|= IXGBE_LINK_SPEED_1GB_FULL
;
260 case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII
:
261 *speed
= IXGBE_LINK_SPEED_100_FULL
;
262 if (autoc
& IXGBE_AUTOC_KR_SUPP
)
263 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
264 if (autoc
& IXGBE_AUTOC_KX4_SUPP
)
265 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
266 if (autoc
& IXGBE_AUTOC_KX_SUPP
)
267 *speed
|= IXGBE_LINK_SPEED_1GB_FULL
;
271 case IXGBE_AUTOC_LMS_SGMII_1G_100M
:
272 *speed
= IXGBE_LINK_SPEED_1GB_FULL
| IXGBE_LINK_SPEED_100_FULL
;
273 *negotiation
= false;
277 status
= IXGBE_ERR_LINK_SETUP
;
282 if (hw
->phy
.multispeed_fiber
) {
283 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
|
284 IXGBE_LINK_SPEED_1GB_FULL
;
293 * ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
294 * @hw: pointer to hardware structure
295 * @speed: pointer to link speed
296 * @autoneg: boolean auto-negotiation value
298 * Determines the link capabilities by reading the AUTOC register.
300 static s32
ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw
*hw
,
301 ixgbe_link_speed
*speed
,
304 s32 status
= IXGBE_ERR_LINK_SETUP
;
310 status
= hw
->phy
.ops
.read_reg(hw
, MDIO_SPEED
, MDIO_MMD_PMAPMD
,
314 if (speed_ability
& MDIO_SPEED_10G
)
315 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
316 if (speed_ability
& MDIO_PMA_SPEED_1000
)
317 *speed
|= IXGBE_LINK_SPEED_1GB_FULL
;
324 * ixgbe_get_media_type_82599 - Get media type
325 * @hw: pointer to hardware structure
327 * Returns the media type (fiber, copper, backplane)
329 static enum ixgbe_media_type
ixgbe_get_media_type_82599(struct ixgbe_hw
*hw
)
331 enum ixgbe_media_type media_type
;
333 /* Detect if there is a copper PHY attached. */
334 if (hw
->phy
.type
== ixgbe_phy_cu_unknown
||
335 hw
->phy
.type
== ixgbe_phy_tn
) {
336 media_type
= ixgbe_media_type_copper
;
340 switch (hw
->device_id
) {
341 case IXGBE_DEV_ID_82599_KX4
:
342 case IXGBE_DEV_ID_82599_KX4_MEZZ
:
343 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE
:
344 case IXGBE_DEV_ID_82599_KR
:
345 case IXGBE_DEV_ID_82599_XAUI_LOM
:
346 /* Default device ID is mezzanine card KX/KX4 */
347 media_type
= ixgbe_media_type_backplane
;
349 case IXGBE_DEV_ID_82599_SFP
:
350 case IXGBE_DEV_ID_82599_SFP_EM
:
351 media_type
= ixgbe_media_type_fiber
;
353 case IXGBE_DEV_ID_82599_CX4
:
354 media_type
= ixgbe_media_type_cx4
;
357 media_type
= ixgbe_media_type_unknown
;
365 * ixgbe_start_mac_link_82599 - Setup MAC link settings
366 * @hw: pointer to hardware structure
367 * @autoneg_wait_to_complete: true when waiting for completion is needed
369 * Configures link settings based on values in the ixgbe_hw struct.
370 * Restarts the link. Performs autonegotiation if needed.
372 s32
ixgbe_start_mac_link_82599(struct ixgbe_hw
*hw
,
373 bool autoneg_wait_to_complete
)
381 autoc_reg
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
382 autoc_reg
|= IXGBE_AUTOC_AN_RESTART
;
383 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, autoc_reg
);
385 /* Only poll for autoneg to complete if specified to do so */
386 if (autoneg_wait_to_complete
) {
387 if ((autoc_reg
& IXGBE_AUTOC_LMS_MASK
) ==
388 IXGBE_AUTOC_LMS_KX4_KX_KR
||
389 (autoc_reg
& IXGBE_AUTOC_LMS_MASK
) ==
390 IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN
||
391 (autoc_reg
& IXGBE_AUTOC_LMS_MASK
) ==
392 IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII
) {
393 links_reg
= 0; /* Just in case Autoneg time = 0 */
394 for (i
= 0; i
< IXGBE_AUTO_NEG_TIME
; i
++) {
395 links_reg
= IXGBE_READ_REG(hw
, IXGBE_LINKS
);
396 if (links_reg
& IXGBE_LINKS_KX_AN_COMP
)
400 if (!(links_reg
& IXGBE_LINKS_KX_AN_COMP
)) {
401 status
= IXGBE_ERR_AUTONEG_NOT_COMPLETE
;
402 hw_dbg(hw
, "Autoneg did not complete.\n");
407 /* Add delay to filter out noises during initial link setup */
414 * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser
415 * @hw: pointer to hardware structure
417 * The base drivers may require better control over SFP+ module
418 * PHY states. This includes selectively shutting down the Tx
419 * laser on the PHY, effectively halting physical link.
421 void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
)
423 u32 esdp_reg
= IXGBE_READ_REG(hw
, IXGBE_ESDP
);
425 /* Disable tx laser; allow 100us to go dark per spec */
426 esdp_reg
|= IXGBE_ESDP_SDP3
;
427 IXGBE_WRITE_REG(hw
, IXGBE_ESDP
, esdp_reg
);
428 IXGBE_WRITE_FLUSH(hw
);
433 * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser
434 * @hw: pointer to hardware structure
436 * The base drivers may require better control over SFP+ module
437 * PHY states. This includes selectively turning on the Tx
438 * laser on the PHY, effectively starting physical link.
440 void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
)
442 u32 esdp_reg
= IXGBE_READ_REG(hw
, IXGBE_ESDP
);
444 /* Enable tx laser; allow 100ms to light up */
445 esdp_reg
&= ~IXGBE_ESDP_SDP3
;
446 IXGBE_WRITE_REG(hw
, IXGBE_ESDP
, esdp_reg
);
447 IXGBE_WRITE_FLUSH(hw
);
452 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
453 * @hw: pointer to hardware structure
455 * When the driver changes the link speeds that it can support,
456 * it sets autotry_restart to true to indicate that we need to
457 * initiate a new autotry session with the link partner. To do
458 * so, we set the speed then disable and re-enable the tx laser, to
459 * alert the link partner that it also needs to restart autotry on its
460 * end. This is consistent with true clause 37 autoneg, which also
461 * involves a loss of signal.
463 void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw
*hw
)
465 hw_dbg(hw
, "ixgbe_flap_tx_laser_multispeed_fiber\n");
467 if (hw
->mac
.autotry_restart
) {
468 ixgbe_disable_tx_laser_multispeed_fiber(hw
);
469 ixgbe_enable_tx_laser_multispeed_fiber(hw
);
470 hw
->mac
.autotry_restart
= false;
475 * ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
476 * @hw: pointer to hardware structure
477 * @speed: new link speed
478 * @autoneg: true if autonegotiation enabled
479 * @autoneg_wait_to_complete: true when waiting for completion is needed
481 * Set the link speed in the AUTOC register and restarts link.
483 s32
ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw
*hw
,
484 ixgbe_link_speed speed
,
486 bool autoneg_wait_to_complete
)
489 ixgbe_link_speed phy_link_speed
;
490 ixgbe_link_speed highest_link_speed
= IXGBE_LINK_SPEED_UNKNOWN
;
492 u32 esdp_reg
= IXGBE_READ_REG(hw
, IXGBE_ESDP
);
493 bool link_up
= false;
497 /* Mask off requested but non-supported speeds */
498 hw
->mac
.ops
.get_link_capabilities(hw
, &phy_link_speed
, &negotiation
);
499 speed
&= phy_link_speed
;
502 * Try each speed one by one, highest priority first. We do this in
503 * software because 10gb fiber doesn't support speed autonegotiation.
505 if (speed
& IXGBE_LINK_SPEED_10GB_FULL
) {
507 highest_link_speed
= IXGBE_LINK_SPEED_10GB_FULL
;
509 /* If we already have link at this speed, just jump out */
510 hw
->mac
.ops
.check_link(hw
, &phy_link_speed
, &link_up
, false);
512 if ((phy_link_speed
== IXGBE_LINK_SPEED_10GB_FULL
) && link_up
)
515 /* Set the module link speed */
516 esdp_reg
|= (IXGBE_ESDP_SDP5_DIR
| IXGBE_ESDP_SDP5
);
517 IXGBE_WRITE_REG(hw
, IXGBE_ESDP
, esdp_reg
);
518 IXGBE_WRITE_FLUSH(hw
);
520 /* Allow module to change analog characteristics (1G->10G) */
523 status
= ixgbe_setup_mac_link_82599(hw
,
524 IXGBE_LINK_SPEED_10GB_FULL
,
526 autoneg_wait_to_complete
);
530 /* Flap the tx laser if it has not already been done */
531 hw
->mac
.ops
.flap_tx_laser(hw
);
534 * Wait for the controller to acquire link. Per IEEE 802.3ap,
535 * Section 73.10.2, we may have to wait up to 500ms if KR is
536 * attempted. 82599 uses the same timing for 10g SFI.
539 for (i
= 0; i
< 5; i
++) {
540 /* Wait for the link partner to also set speed */
543 /* If we have link, just jump out */
544 hw
->mac
.ops
.check_link(hw
, &phy_link_speed
,
551 if (speed
& IXGBE_LINK_SPEED_1GB_FULL
) {
553 if (highest_link_speed
== IXGBE_LINK_SPEED_UNKNOWN
)
554 highest_link_speed
= IXGBE_LINK_SPEED_1GB_FULL
;
556 /* If we already have link at this speed, just jump out */
557 hw
->mac
.ops
.check_link(hw
, &phy_link_speed
, &link_up
, false);
559 if ((phy_link_speed
== IXGBE_LINK_SPEED_1GB_FULL
) && link_up
)
562 /* Set the module link speed */
563 esdp_reg
&= ~IXGBE_ESDP_SDP5
;
564 esdp_reg
|= IXGBE_ESDP_SDP5_DIR
;
565 IXGBE_WRITE_REG(hw
, IXGBE_ESDP
, esdp_reg
);
566 IXGBE_WRITE_FLUSH(hw
);
568 /* Allow module to change analog characteristics (10G->1G) */
571 status
= ixgbe_setup_mac_link_82599(hw
,
572 IXGBE_LINK_SPEED_1GB_FULL
,
574 autoneg_wait_to_complete
);
578 /* Flap the tx laser if it has not already been done */
579 hw
->mac
.ops
.flap_tx_laser(hw
);
581 /* Wait for the link partner to also set speed */
584 /* If we have link, just jump out */
585 hw
->mac
.ops
.check_link(hw
, &phy_link_speed
, &link_up
, false);
591 * We didn't get link. Configure back to the highest speed we tried,
592 * (if there was more than one). We call ourselves back with just the
593 * single highest speed that the user requested.
596 status
= ixgbe_setup_mac_link_multispeed_fiber(hw
,
599 autoneg_wait_to_complete
);
602 /* Set autoneg_advertised value based on input link speed */
603 hw
->phy
.autoneg_advertised
= 0;
605 if (speed
& IXGBE_LINK_SPEED_10GB_FULL
)
606 hw
->phy
.autoneg_advertised
|= IXGBE_LINK_SPEED_10GB_FULL
;
608 if (speed
& IXGBE_LINK_SPEED_1GB_FULL
)
609 hw
->phy
.autoneg_advertised
|= IXGBE_LINK_SPEED_1GB_FULL
;
615 * ixgbe_setup_mac_link_smartspeed - Set MAC link speed using SmartSpeed
616 * @hw: pointer to hardware structure
617 * @speed: new link speed
618 * @autoneg: true if autonegotiation enabled
619 * @autoneg_wait_to_complete: true when waiting for completion is needed
621 * Implements the Intel SmartSpeed algorithm.
623 static s32
ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw
*hw
,
624 ixgbe_link_speed speed
, bool autoneg
,
625 bool autoneg_wait_to_complete
)
628 ixgbe_link_speed link_speed
;
630 bool link_up
= false;
631 u32 autoc_reg
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
632 struct ixgbe_adapter
*adapter
= hw
->back
;
634 hw_dbg(hw
, "ixgbe_setup_mac_link_smartspeed.\n");
636 /* Set autoneg_advertised value based on input link speed */
637 hw
->phy
.autoneg_advertised
= 0;
639 if (speed
& IXGBE_LINK_SPEED_10GB_FULL
)
640 hw
->phy
.autoneg_advertised
|= IXGBE_LINK_SPEED_10GB_FULL
;
642 if (speed
& IXGBE_LINK_SPEED_1GB_FULL
)
643 hw
->phy
.autoneg_advertised
|= IXGBE_LINK_SPEED_1GB_FULL
;
645 if (speed
& IXGBE_LINK_SPEED_100_FULL
)
646 hw
->phy
.autoneg_advertised
|= IXGBE_LINK_SPEED_100_FULL
;
649 * Implement Intel SmartSpeed algorithm. SmartSpeed will reduce the
650 * autoneg advertisement if link is unable to be established at the
651 * highest negotiated rate. This can sometimes happen due to integrity
652 * issues with the physical media connection.
655 /* First, try to get link with full advertisement */
656 hw
->phy
.smart_speed_active
= false;
657 for (j
= 0; j
< IXGBE_SMARTSPEED_MAX_RETRIES
; j
++) {
658 status
= ixgbe_setup_mac_link_82599(hw
, speed
, autoneg
,
659 autoneg_wait_to_complete
);
664 * Wait for the controller to acquire link. Per IEEE 802.3ap,
665 * Section 73.10.2, we may have to wait up to 500ms if KR is
666 * attempted, or 200ms if KX/KX4/BX/BX4 is attempted, per
667 * Table 9 in the AN MAS.
669 for (i
= 0; i
< 5; i
++) {
672 /* If we have link, just jump out */
673 hw
->mac
.ops
.check_link(hw
, &link_speed
,
681 * We didn't get link. If we advertised KR plus one of KX4/KX
682 * (or BX4/BX), then disable KR and try again.
684 if (((autoc_reg
& IXGBE_AUTOC_KR_SUPP
) == 0) ||
685 ((autoc_reg
& IXGBE_AUTOC_KX4_KX_SUPP_MASK
) == 0))
688 /* Turn SmartSpeed on to disable KR support */
689 hw
->phy
.smart_speed_active
= true;
690 status
= ixgbe_setup_mac_link_82599(hw
, speed
, autoneg
,
691 autoneg_wait_to_complete
);
696 * Wait for the controller to acquire link. 600ms will allow for
697 * the AN link_fail_inhibit_timer as well for multiple cycles of
698 * parallel detect, both 10g and 1g. This allows for the maximum
699 * connect attempts as defined in the AN MAS table 73-7.
701 for (i
= 0; i
< 6; i
++) {
704 /* If we have link, just jump out */
705 hw
->mac
.ops
.check_link(hw
, &link_speed
,
711 /* We didn't get link. Turn SmartSpeed back off. */
712 hw
->phy
.smart_speed_active
= false;
713 status
= ixgbe_setup_mac_link_82599(hw
, speed
, autoneg
,
714 autoneg_wait_to_complete
);
717 if (link_up
&& (link_speed
== IXGBE_LINK_SPEED_1GB_FULL
))
718 e_info(hw
, "Smartspeed has downgraded the link speed from "
719 "the maximum advertised\n");
724 * ixgbe_setup_mac_link_82599 - Set MAC link speed
725 * @hw: pointer to hardware structure
726 * @speed: new link speed
727 * @autoneg: true if autonegotiation enabled
728 * @autoneg_wait_to_complete: true when waiting for completion is needed
730 * Set the link speed in the AUTOC register and restarts link.
732 s32
ixgbe_setup_mac_link_82599(struct ixgbe_hw
*hw
,
733 ixgbe_link_speed speed
, bool autoneg
,
734 bool autoneg_wait_to_complete
)
737 u32 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
738 u32 autoc2
= IXGBE_READ_REG(hw
, IXGBE_AUTOC2
);
739 u32 start_autoc
= autoc
;
741 u32 link_mode
= autoc
& IXGBE_AUTOC_LMS_MASK
;
742 u32 pma_pmd_1g
= autoc
& IXGBE_AUTOC_1G_PMA_PMD_MASK
;
743 u32 pma_pmd_10g_serial
= autoc2
& IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK
;
746 ixgbe_link_speed link_capabilities
= IXGBE_LINK_SPEED_UNKNOWN
;
748 /* Check to see if speed passed in is supported. */
749 hw
->mac
.ops
.get_link_capabilities(hw
, &link_capabilities
, &autoneg
);
750 speed
&= link_capabilities
;
752 if (speed
== IXGBE_LINK_SPEED_UNKNOWN
) {
753 status
= IXGBE_ERR_LINK_SETUP
;
757 /* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/
758 if (hw
->mac
.orig_link_settings_stored
)
759 orig_autoc
= hw
->mac
.orig_autoc
;
764 if (link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR
||
765 link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN
||
766 link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII
) {
767 /* Set KX4/KX/KR support according to speed requested */
768 autoc
&= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK
| IXGBE_AUTOC_KR_SUPP
);
769 if (speed
& IXGBE_LINK_SPEED_10GB_FULL
)
770 if (orig_autoc
& IXGBE_AUTOC_KX4_SUPP
)
771 autoc
|= IXGBE_AUTOC_KX4_SUPP
;
772 if ((orig_autoc
& IXGBE_AUTOC_KR_SUPP
) &&
773 (hw
->phy
.smart_speed_active
== false))
774 autoc
|= IXGBE_AUTOC_KR_SUPP
;
775 if (speed
& IXGBE_LINK_SPEED_1GB_FULL
)
776 autoc
|= IXGBE_AUTOC_KX_SUPP
;
777 } else if ((pma_pmd_1g
== IXGBE_AUTOC_1G_SFI
) &&
778 (link_mode
== IXGBE_AUTOC_LMS_1G_LINK_NO_AN
||
779 link_mode
== IXGBE_AUTOC_LMS_1G_AN
)) {
780 /* Switch from 1G SFI to 10G SFI if requested */
781 if ((speed
== IXGBE_LINK_SPEED_10GB_FULL
) &&
782 (pma_pmd_10g_serial
== IXGBE_AUTOC2_10G_SFI
)) {
783 autoc
&= ~IXGBE_AUTOC_LMS_MASK
;
784 autoc
|= IXGBE_AUTOC_LMS_10G_SERIAL
;
786 } else if ((pma_pmd_10g_serial
== IXGBE_AUTOC2_10G_SFI
) &&
787 (link_mode
== IXGBE_AUTOC_LMS_10G_SERIAL
)) {
788 /* Switch from 10G SFI to 1G SFI if requested */
789 if ((speed
== IXGBE_LINK_SPEED_1GB_FULL
) &&
790 (pma_pmd_1g
== IXGBE_AUTOC_1G_SFI
)) {
791 autoc
&= ~IXGBE_AUTOC_LMS_MASK
;
793 autoc
|= IXGBE_AUTOC_LMS_1G_AN
;
795 autoc
|= IXGBE_AUTOC_LMS_1G_LINK_NO_AN
;
799 if (autoc
!= start_autoc
) {
801 autoc
|= IXGBE_AUTOC_AN_RESTART
;
802 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, autoc
);
804 /* Only poll for autoneg to complete if specified to do so */
805 if (autoneg_wait_to_complete
) {
806 if (link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR
||
807 link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN
||
808 link_mode
== IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII
) {
809 links_reg
= 0; /*Just in case Autoneg time=0*/
810 for (i
= 0; i
< IXGBE_AUTO_NEG_TIME
; i
++) {
812 IXGBE_READ_REG(hw
, IXGBE_LINKS
);
813 if (links_reg
& IXGBE_LINKS_KX_AN_COMP
)
817 if (!(links_reg
& IXGBE_LINKS_KX_AN_COMP
)) {
819 IXGBE_ERR_AUTONEG_NOT_COMPLETE
;
820 hw_dbg(hw
, "Autoneg did not "
826 /* Add delay to filter out noises during initial link setup */
835 * ixgbe_setup_copper_link_82599 - Set the PHY autoneg advertised field
836 * @hw: pointer to hardware structure
837 * @speed: new link speed
838 * @autoneg: true if autonegotiation enabled
839 * @autoneg_wait_to_complete: true if waiting is needed to complete
841 * Restarts link on PHY and MAC based on settings passed in.
843 static s32
ixgbe_setup_copper_link_82599(struct ixgbe_hw
*hw
,
844 ixgbe_link_speed speed
,
846 bool autoneg_wait_to_complete
)
850 /* Setup the PHY according to input speed */
851 status
= hw
->phy
.ops
.setup_link_speed(hw
, speed
, autoneg
,
852 autoneg_wait_to_complete
);
854 ixgbe_start_mac_link_82599(hw
, autoneg_wait_to_complete
);
860 * ixgbe_reset_hw_82599 - Perform hardware reset
861 * @hw: pointer to hardware structure
863 * Resets the hardware by resetting the transmit and receive units, masks
864 * and clears all interrupts, perform a PHY reset, and perform a link (MAC)
867 static s32
ixgbe_reset_hw_82599(struct ixgbe_hw
*hw
)
875 /* Call adapter stop to disable tx/rx and clear interrupts */
876 hw
->mac
.ops
.stop_adapter(hw
);
878 /* PHY ops must be identified and initialized prior to reset */
880 /* Init PHY and function pointers, perform SFP setup */
881 status
= hw
->phy
.ops
.init(hw
);
883 if (status
== IXGBE_ERR_SFP_NOT_SUPPORTED
)
886 /* Setup SFP module if there is one present. */
887 if (hw
->phy
.sfp_setup_needed
) {
888 status
= hw
->mac
.ops
.setup_sfp(hw
);
889 hw
->phy
.sfp_setup_needed
= false;
893 if (hw
->phy
.reset_disable
== false && hw
->phy
.ops
.reset
!= NULL
)
894 hw
->phy
.ops
.reset(hw
);
897 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
898 * access and verify no pending requests before reset
900 status
= ixgbe_disable_pcie_master(hw
);
902 status
= IXGBE_ERR_MASTER_REQUESTS_PENDING
;
903 hw_dbg(hw
, "PCI-E Master disable polling has failed.\n");
907 * Issue global reset to the MAC. This needs to be a SW reset.
908 * If link reset is used, it might reset the MAC when mng is using it
910 ctrl
= IXGBE_READ_REG(hw
, IXGBE_CTRL
);
911 IXGBE_WRITE_REG(hw
, IXGBE_CTRL
, (ctrl
| IXGBE_CTRL_RST
));
912 IXGBE_WRITE_FLUSH(hw
);
914 /* Poll for reset bit to self-clear indicating reset is complete */
915 for (i
= 0; i
< 10; i
++) {
917 ctrl
= IXGBE_READ_REG(hw
, IXGBE_CTRL
);
918 if (!(ctrl
& IXGBE_CTRL_RST
))
921 if (ctrl
& IXGBE_CTRL_RST
) {
922 status
= IXGBE_ERR_RESET_FAILED
;
923 hw_dbg(hw
, "Reset polling failed to complete.\n");
929 * Store the original AUTOC/AUTOC2 values if they have not been
930 * stored off yet. Otherwise restore the stored original
931 * values since the reset operation sets back to defaults.
933 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
934 autoc2
= IXGBE_READ_REG(hw
, IXGBE_AUTOC2
);
935 if (hw
->mac
.orig_link_settings_stored
== false) {
936 hw
->mac
.orig_autoc
= autoc
;
937 hw
->mac
.orig_autoc2
= autoc2
;
938 hw
->mac
.orig_link_settings_stored
= true;
940 if (autoc
!= hw
->mac
.orig_autoc
)
941 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, (hw
->mac
.orig_autoc
|
942 IXGBE_AUTOC_AN_RESTART
));
944 if ((autoc2
& IXGBE_AUTOC2_UPPER_MASK
) !=
945 (hw
->mac
.orig_autoc2
& IXGBE_AUTOC2_UPPER_MASK
)) {
946 autoc2
&= ~IXGBE_AUTOC2_UPPER_MASK
;
947 autoc2
|= (hw
->mac
.orig_autoc2
&
948 IXGBE_AUTOC2_UPPER_MASK
);
949 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC2
, autoc2
);
954 * Store MAC address from RAR0, clear receive address registers, and
955 * clear the multicast table. Also reset num_rar_entries to 128,
956 * since we modify this value when programming the SAN MAC address.
958 hw
->mac
.num_rar_entries
= 128;
959 hw
->mac
.ops
.init_rx_addrs(hw
);
961 /* Store the permanent mac address */
962 hw
->mac
.ops
.get_mac_addr(hw
, hw
->mac
.perm_addr
);
964 /* Store the permanent SAN mac address */
965 hw
->mac
.ops
.get_san_mac_addr(hw
, hw
->mac
.san_addr
);
967 /* Add the SAN MAC address to the RAR only if it's a valid address */
968 if (ixgbe_validate_mac_addr(hw
->mac
.san_addr
) == 0) {
969 hw
->mac
.ops
.set_rar(hw
, hw
->mac
.num_rar_entries
- 1,
970 hw
->mac
.san_addr
, 0, IXGBE_RAH_AV
);
972 /* Reserve the last RAR for the SAN MAC address */
973 hw
->mac
.num_rar_entries
--;
976 /* Store the alternative WWNN/WWPN prefix */
977 hw
->mac
.ops
.get_wwn_prefix(hw
, &hw
->mac
.wwnn_prefix
,
978 &hw
->mac
.wwpn_prefix
);
985 * ixgbe_reinit_fdir_tables_82599 - Reinitialize Flow Director tables.
986 * @hw: pointer to hardware structure
988 s32
ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw
*hw
)
991 u32 fdirctrl
= IXGBE_READ_REG(hw
, IXGBE_FDIRCTRL
);
992 fdirctrl
&= ~IXGBE_FDIRCTRL_INIT_DONE
;
995 * Before starting reinitialization process,
996 * FDIRCMD.CMD must be zero.
998 for (i
= 0; i
< IXGBE_FDIRCMD_CMD_POLL
; i
++) {
999 if (!(IXGBE_READ_REG(hw
, IXGBE_FDIRCMD
) &
1000 IXGBE_FDIRCMD_CMD_MASK
))
1004 if (i
>= IXGBE_FDIRCMD_CMD_POLL
) {
1005 hw_dbg(hw
,"Flow Director previous command isn't complete, "
1006 "aborting table re-initialization.\n");
1007 return IXGBE_ERR_FDIR_REINIT_FAILED
;
1010 IXGBE_WRITE_REG(hw
, IXGBE_FDIRFREE
, 0);
1011 IXGBE_WRITE_FLUSH(hw
);
1012 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCMD
,
1013 (IXGBE_READ_REG(hw
, IXGBE_FDIRCMD
) |
1014 IXGBE_FDIRCMD_CLEARHT
));
1015 IXGBE_WRITE_FLUSH(hw
);
1016 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCMD
,
1017 (IXGBE_READ_REG(hw
, IXGBE_FDIRCMD
) &
1018 ~IXGBE_FDIRCMD_CLEARHT
));
1019 IXGBE_WRITE_FLUSH(hw
);
1021 * Clear FDIR Hash register to clear any leftover hashes
1022 * waiting to be programmed.
1024 IXGBE_WRITE_REG(hw
, IXGBE_FDIRHASH
, 0x00);
1025 IXGBE_WRITE_FLUSH(hw
);
1027 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCTRL
, fdirctrl
);
1028 IXGBE_WRITE_FLUSH(hw
);
1030 /* Poll init-done after we write FDIRCTRL register */
1031 for (i
= 0; i
< IXGBE_FDIR_INIT_DONE_POLL
; i
++) {
1032 if (IXGBE_READ_REG(hw
, IXGBE_FDIRCTRL
) &
1033 IXGBE_FDIRCTRL_INIT_DONE
)
1037 if (i
>= IXGBE_FDIR_INIT_DONE_POLL
) {
1038 hw_dbg(hw
, "Flow Director Signature poll time exceeded!\n");
1039 return IXGBE_ERR_FDIR_REINIT_FAILED
;
1042 /* Clear FDIR statistics registers (read to clear) */
1043 IXGBE_READ_REG(hw
, IXGBE_FDIRUSTAT
);
1044 IXGBE_READ_REG(hw
, IXGBE_FDIRFSTAT
);
1045 IXGBE_READ_REG(hw
, IXGBE_FDIRMATCH
);
1046 IXGBE_READ_REG(hw
, IXGBE_FDIRMISS
);
1047 IXGBE_READ_REG(hw
, IXGBE_FDIRLEN
);
1053 * ixgbe_init_fdir_signature_82599 - Initialize Flow Director signature filters
1054 * @hw: pointer to hardware structure
1055 * @pballoc: which mode to allocate filters with
1057 s32
ixgbe_init_fdir_signature_82599(struct ixgbe_hw
*hw
, u32 pballoc
)
1064 * Before enabling Flow Director, the Rx Packet Buffer size
1065 * must be reduced. The new value is the current size minus
1066 * flow director memory usage size.
1068 pbsize
= (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT
+ pballoc
));
1069 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(0),
1070 (IXGBE_READ_REG(hw
, IXGBE_RXPBSIZE(0)) - pbsize
));
1073 * The defaults in the HW for RX PB 1-7 are not zero and so should be
1074 * intialized to zero for non DCB mode otherwise actual total RX PB
1075 * would be bigger than programmed and filter space would run into
1078 for (i
= 1; i
< 8; i
++)
1079 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(i
), 0);
1081 /* Send interrupt when 64 filters are left */
1082 fdirctrl
|= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT
;
1084 /* Set the maximum length per hash bucket to 0xA filters */
1085 fdirctrl
|= 0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT
;
1088 case IXGBE_FDIR_PBALLOC_64K
:
1089 /* 8k - 1 signature filters */
1090 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_64K
;
1092 case IXGBE_FDIR_PBALLOC_128K
:
1093 /* 16k - 1 signature filters */
1094 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_128K
;
1096 case IXGBE_FDIR_PBALLOC_256K
:
1097 /* 32k - 1 signature filters */
1098 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_256K
;
1102 return IXGBE_ERR_CONFIG
;
1105 /* Move the flexible bytes to use the ethertype - shift 6 words */
1106 fdirctrl
|= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT
);
1108 fdirctrl
|= IXGBE_FDIRCTRL_REPORT_STATUS
;
1110 /* Prime the keys for hashing */
1111 IXGBE_WRITE_REG(hw
, IXGBE_FDIRHKEY
,
1112 htonl(IXGBE_ATR_BUCKET_HASH_KEY
));
1113 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSKEY
,
1114 htonl(IXGBE_ATR_SIGNATURE_HASH_KEY
));
1117 * Poll init-done after we write the register. Estimated times:
1118 * 10G: PBALLOC = 11b, timing is 60us
1119 * 1G: PBALLOC = 11b, timing is 600us
1120 * 100M: PBALLOC = 11b, timing is 6ms
1122 * Multiple these timings by 4 if under full Rx load
1124 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1125 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1126 * this might not finish in our poll time, but we can live with that
1129 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCTRL
, fdirctrl
);
1130 IXGBE_WRITE_FLUSH(hw
);
1131 for (i
= 0; i
< IXGBE_FDIR_INIT_DONE_POLL
; i
++) {
1132 if (IXGBE_READ_REG(hw
, IXGBE_FDIRCTRL
) &
1133 IXGBE_FDIRCTRL_INIT_DONE
)
1137 if (i
>= IXGBE_FDIR_INIT_DONE_POLL
)
1138 hw_dbg(hw
, "Flow Director Signature poll time exceeded!\n");
1144 * ixgbe_init_fdir_perfect_82599 - Initialize Flow Director perfect filters
1145 * @hw: pointer to hardware structure
1146 * @pballoc: which mode to allocate filters with
1148 s32
ixgbe_init_fdir_perfect_82599(struct ixgbe_hw
*hw
, u32 pballoc
)
1155 * Before enabling Flow Director, the Rx Packet Buffer size
1156 * must be reduced. The new value is the current size minus
1157 * flow director memory usage size.
1159 pbsize
= (1 << (IXGBE_FDIR_PBALLOC_SIZE_SHIFT
+ pballoc
));
1160 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(0),
1161 (IXGBE_READ_REG(hw
, IXGBE_RXPBSIZE(0)) - pbsize
));
1164 * The defaults in the HW for RX PB 1-7 are not zero and so should be
1165 * intialized to zero for non DCB mode otherwise actual total RX PB
1166 * would be bigger than programmed and filter space would run into
1169 for (i
= 1; i
< 8; i
++)
1170 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(i
), 0);
1172 /* Send interrupt when 64 filters are left */
1173 fdirctrl
|= 4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT
;
1175 /* Initialize the drop queue to Rx queue 127 */
1176 fdirctrl
|= (127 << IXGBE_FDIRCTRL_DROP_Q_SHIFT
);
1179 case IXGBE_FDIR_PBALLOC_64K
:
1180 /* 2k - 1 perfect filters */
1181 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_64K
;
1183 case IXGBE_FDIR_PBALLOC_128K
:
1184 /* 4k - 1 perfect filters */
1185 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_128K
;
1187 case IXGBE_FDIR_PBALLOC_256K
:
1188 /* 8k - 1 perfect filters */
1189 fdirctrl
|= IXGBE_FDIRCTRL_PBALLOC_256K
;
1193 return IXGBE_ERR_CONFIG
;
1196 /* Turn perfect match filtering on */
1197 fdirctrl
|= IXGBE_FDIRCTRL_PERFECT_MATCH
;
1198 fdirctrl
|= IXGBE_FDIRCTRL_REPORT_STATUS
;
1200 /* Move the flexible bytes to use the ethertype - shift 6 words */
1201 fdirctrl
|= (0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT
);
1203 /* Prime the keys for hashing */
1204 IXGBE_WRITE_REG(hw
, IXGBE_FDIRHKEY
,
1205 htonl(IXGBE_ATR_BUCKET_HASH_KEY
));
1206 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSKEY
,
1207 htonl(IXGBE_ATR_SIGNATURE_HASH_KEY
));
1210 * Poll init-done after we write the register. Estimated times:
1211 * 10G: PBALLOC = 11b, timing is 60us
1212 * 1G: PBALLOC = 11b, timing is 600us
1213 * 100M: PBALLOC = 11b, timing is 6ms
1215 * Multiple these timings by 4 if under full Rx load
1217 * So we'll poll for IXGBE_FDIR_INIT_DONE_POLL times, sleeping for
1218 * 1 msec per poll time. If we're at line rate and drop to 100M, then
1219 * this might not finish in our poll time, but we can live with that
1223 /* Set the maximum length per hash bucket to 0xA filters */
1224 fdirctrl
|= (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT
);
1226 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCTRL
, fdirctrl
);
1227 IXGBE_WRITE_FLUSH(hw
);
1228 for (i
= 0; i
< IXGBE_FDIR_INIT_DONE_POLL
; i
++) {
1229 if (IXGBE_READ_REG(hw
, IXGBE_FDIRCTRL
) &
1230 IXGBE_FDIRCTRL_INIT_DONE
)
1234 if (i
>= IXGBE_FDIR_INIT_DONE_POLL
)
1235 hw_dbg(hw
, "Flow Director Perfect poll time exceeded!\n");
1242 * ixgbe_atr_compute_hash_82599 - Compute the hashes for SW ATR
1243 * @stream: input bitstream to compute the hash on
1244 * @key: 32-bit hash key
1246 static u16
ixgbe_atr_compute_hash_82599(struct ixgbe_atr_input
*atr_input
,
1250 * The algorithm is as follows:
1251 * Hash[15:0] = Sum { S[n] x K[n+16] }, n = 0...350
1252 * where Sum {A[n]}, n = 0...n is bitwise XOR of A[0], A[1]...A[n]
1253 * and A[n] x B[n] is bitwise AND between same length strings
1255 * K[n] is 16 bits, defined as:
1256 * for n modulo 32 >= 15, K[n] = K[n % 32 : (n % 32) - 15]
1257 * for n modulo 32 < 15, K[n] =
1258 * K[(n % 32:0) | (31:31 - (14 - (n % 32)))]
1260 * S[n] is 16 bits, defined as:
1261 * for n >= 15, S[n] = S[n:n - 15]
1262 * for n < 15, S[n] = S[(n:0) | (350:350 - (14 - n))]
1264 * To simplify for programming, the algorithm is implemented
1265 * in software this way:
1267 * Key[31:0], Stream[335:0]
1269 * tmp_key[11 * 32 - 1:0] = 11{Key[31:0] = key concatenated 11 times
1270 * int_key[350:0] = tmp_key[351:1]
1271 * int_stream[365:0] = Stream[14:0] | Stream[335:0] | Stream[335:321]
1274 * for (i = 0; i < 351; i++) {
1276 * hash ^= int_stream[(i + 15):i];
1286 u8
*stream
= (u8
*)atr_input
;
1287 u8 int_key
[44]; /* upper-most bit unused */
1288 u8 hash_str
[46]; /* upper-most 2 bits unused */
1289 u16 hash_result
= 0;
1293 * Initialize the fill member to prevent warnings
1296 tmp_key
.fill
[0] = 0;
1298 /* First load the temporary key stream */
1299 for (i
= 0; i
< 6; i
++) {
1300 u64 fillkey
= ((u64
)key
<< 32) | key
;
1301 tmp_key
.fill
[i
] = fillkey
;
1305 * Set the interim key for the hashing. Bit 352 is unused, so we must
1306 * shift and compensate when building the key.
1309 int_key
[0] = tmp_key
.key_stream
[0] >> 1;
1310 for (i
= 1, j
= 0; i
< 44; i
++) {
1311 unsigned int this_key
= tmp_key
.key_stream
[j
] << 7;
1313 int_key
[i
] = (u8
)(this_key
| (tmp_key
.key_stream
[j
] >> 1));
1317 * Set the interim bit string for the hashing. Bits 368 and 367 are
1318 * unused, so shift and compensate when building the string.
1320 hash_str
[0] = (stream
[40] & 0x7f) >> 1;
1321 for (i
= 1, j
= 40; i
< 46; i
++) {
1322 unsigned int this_str
= stream
[j
] << 7;
1326 hash_str
[i
] = (u8
)(this_str
| (stream
[j
] >> 1));
1330 * Now compute the hash. i is the index into hash_str, j is into our
1331 * key stream, k is counting the number of bits, and h interates within
1334 for (i
= 45, j
= 43, k
= 0; k
< 351 && i
>= 2 && j
>= 0; i
--, j
--) {
1335 for (h
= 0; h
< 8 && k
< 351; h
++, k
++) {
1336 if (int_key
[j
] & (1 << h
)) {
1338 * Key bit is set, XOR in the current 16-bit
1339 * string. Example of processing:
1341 * tmp = (hash_str[i - 2] & 0 << 16) |
1342 * (hash_str[i - 1] & 0xff << 8) |
1343 * (hash_str[i] & 0xff >> 0)
1344 * So tmp = hash_str[15 + k:k], since the
1345 * i + 2 clause rolls off the 16-bit value
1347 * tmp = (hash_str[i - 2] & 0x7f << 9) |
1348 * (hash_str[i - 1] & 0xff << 1) |
1349 * (hash_str[i] & 0x80 >> 7)
1351 int tmp
= (hash_str
[i
] >> h
);
1352 tmp
|= (hash_str
[i
- 1] << (8 - h
));
1353 tmp
|= (int)(hash_str
[i
- 2] & ((1 << h
) - 1))
1355 hash_result
^= (u16
)tmp
;
1364 * ixgbe_atr_set_vlan_id_82599 - Sets the VLAN id in the ATR input stream
1365 * @input: input stream to modify
1366 * @vlan: the VLAN id to load
1368 s32
ixgbe_atr_set_vlan_id_82599(struct ixgbe_atr_input
*input
, u16 vlan
)
1370 input
->byte_stream
[IXGBE_ATR_VLAN_OFFSET
+ 1] = vlan
>> 8;
1371 input
->byte_stream
[IXGBE_ATR_VLAN_OFFSET
] = vlan
& 0xff;
1377 * ixgbe_atr_set_src_ipv4_82599 - Sets the source IPv4 address
1378 * @input: input stream to modify
1379 * @src_addr: the IP address to load
1381 s32
ixgbe_atr_set_src_ipv4_82599(struct ixgbe_atr_input
*input
, u32 src_addr
)
1383 input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 3] = src_addr
>> 24;
1384 input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 2] =
1385 (src_addr
>> 16) & 0xff;
1386 input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 1] =
1387 (src_addr
>> 8) & 0xff;
1388 input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
] = src_addr
& 0xff;
1394 * ixgbe_atr_set_dst_ipv4_82599 - Sets the destination IPv4 address
1395 * @input: input stream to modify
1396 * @dst_addr: the IP address to load
1398 s32
ixgbe_atr_set_dst_ipv4_82599(struct ixgbe_atr_input
*input
, u32 dst_addr
)
1400 input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 3] = dst_addr
>> 24;
1401 input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 2] =
1402 (dst_addr
>> 16) & 0xff;
1403 input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 1] =
1404 (dst_addr
>> 8) & 0xff;
1405 input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
] = dst_addr
& 0xff;
1411 * ixgbe_atr_set_src_ipv6_82599 - Sets the source IPv6 address
1412 * @input: input stream to modify
1413 * @src_addr_1: the first 4 bytes of the IP address to load
1414 * @src_addr_2: the second 4 bytes of the IP address to load
1415 * @src_addr_3: the third 4 bytes of the IP address to load
1416 * @src_addr_4: the fourth 4 bytes of the IP address to load
1418 s32
ixgbe_atr_set_src_ipv6_82599(struct ixgbe_atr_input
*input
,
1419 u32 src_addr_1
, u32 src_addr_2
,
1420 u32 src_addr_3
, u32 src_addr_4
)
1422 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
] = src_addr_4
& 0xff;
1423 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 1] =
1424 (src_addr_4
>> 8) & 0xff;
1425 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 2] =
1426 (src_addr_4
>> 16) & 0xff;
1427 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 3] = src_addr_4
>> 24;
1429 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 4] = src_addr_3
& 0xff;
1430 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 5] =
1431 (src_addr_3
>> 8) & 0xff;
1432 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 6] =
1433 (src_addr_3
>> 16) & 0xff;
1434 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 7] = src_addr_3
>> 24;
1436 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 8] = src_addr_2
& 0xff;
1437 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 9] =
1438 (src_addr_2
>> 8) & 0xff;
1439 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 10] =
1440 (src_addr_2
>> 16) & 0xff;
1441 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 11] = src_addr_2
>> 24;
1443 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 12] = src_addr_1
& 0xff;
1444 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 13] =
1445 (src_addr_1
>> 8) & 0xff;
1446 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 14] =
1447 (src_addr_1
>> 16) & 0xff;
1448 input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 15] = src_addr_1
>> 24;
1454 * ixgbe_atr_set_dst_ipv6_82599 - Sets the destination IPv6 address
1455 * @input: input stream to modify
1456 * @dst_addr_1: the first 4 bytes of the IP address to load
1457 * @dst_addr_2: the second 4 bytes of the IP address to load
1458 * @dst_addr_3: the third 4 bytes of the IP address to load
1459 * @dst_addr_4: the fourth 4 bytes of the IP address to load
1461 s32
ixgbe_atr_set_dst_ipv6_82599(struct ixgbe_atr_input
*input
,
1462 u32 dst_addr_1
, u32 dst_addr_2
,
1463 u32 dst_addr_3
, u32 dst_addr_4
)
1465 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
] = dst_addr_4
& 0xff;
1466 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 1] =
1467 (dst_addr_4
>> 8) & 0xff;
1468 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 2] =
1469 (dst_addr_4
>> 16) & 0xff;
1470 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 3] = dst_addr_4
>> 24;
1472 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 4] = dst_addr_3
& 0xff;
1473 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 5] =
1474 (dst_addr_3
>> 8) & 0xff;
1475 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 6] =
1476 (dst_addr_3
>> 16) & 0xff;
1477 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 7] = dst_addr_3
>> 24;
1479 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 8] = dst_addr_2
& 0xff;
1480 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 9] =
1481 (dst_addr_2
>> 8) & 0xff;
1482 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 10] =
1483 (dst_addr_2
>> 16) & 0xff;
1484 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 11] = dst_addr_2
>> 24;
1486 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 12] = dst_addr_1
& 0xff;
1487 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 13] =
1488 (dst_addr_1
>> 8) & 0xff;
1489 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 14] =
1490 (dst_addr_1
>> 16) & 0xff;
1491 input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 15] = dst_addr_1
>> 24;
1497 * ixgbe_atr_set_src_port_82599 - Sets the source port
1498 * @input: input stream to modify
1499 * @src_port: the source port to load
1501 s32
ixgbe_atr_set_src_port_82599(struct ixgbe_atr_input
*input
, u16 src_port
)
1503 input
->byte_stream
[IXGBE_ATR_SRC_PORT_OFFSET
+ 1] = src_port
>> 8;
1504 input
->byte_stream
[IXGBE_ATR_SRC_PORT_OFFSET
] = src_port
& 0xff;
1510 * ixgbe_atr_set_dst_port_82599 - Sets the destination port
1511 * @input: input stream to modify
1512 * @dst_port: the destination port to load
1514 s32
ixgbe_atr_set_dst_port_82599(struct ixgbe_atr_input
*input
, u16 dst_port
)
1516 input
->byte_stream
[IXGBE_ATR_DST_PORT_OFFSET
+ 1] = dst_port
>> 8;
1517 input
->byte_stream
[IXGBE_ATR_DST_PORT_OFFSET
] = dst_port
& 0xff;
1523 * ixgbe_atr_set_flex_byte_82599 - Sets the flexible bytes
1524 * @input: input stream to modify
1525 * @flex_bytes: the flexible bytes to load
1527 s32
ixgbe_atr_set_flex_byte_82599(struct ixgbe_atr_input
*input
, u16 flex_byte
)
1529 input
->byte_stream
[IXGBE_ATR_FLEX_BYTE_OFFSET
+ 1] = flex_byte
>> 8;
1530 input
->byte_stream
[IXGBE_ATR_FLEX_BYTE_OFFSET
] = flex_byte
& 0xff;
1536 * ixgbe_atr_set_vm_pool_82599 - Sets the Virtual Machine pool
1537 * @input: input stream to modify
1538 * @vm_pool: the Virtual Machine pool to load
1540 s32
ixgbe_atr_set_vm_pool_82599(struct ixgbe_atr_input
*input
,
1543 input
->byte_stream
[IXGBE_ATR_VM_POOL_OFFSET
] = vm_pool
;
1549 * ixgbe_atr_set_l4type_82599 - Sets the layer 4 packet type
1550 * @input: input stream to modify
1551 * @l4type: the layer 4 type value to load
1553 s32
ixgbe_atr_set_l4type_82599(struct ixgbe_atr_input
*input
, u8 l4type
)
1555 input
->byte_stream
[IXGBE_ATR_L4TYPE_OFFSET
] = l4type
;
1561 * ixgbe_atr_get_vlan_id_82599 - Gets the VLAN id from the ATR input stream
1562 * @input: input stream to search
1563 * @vlan: the VLAN id to load
1565 static s32
ixgbe_atr_get_vlan_id_82599(struct ixgbe_atr_input
*input
, u16
*vlan
)
1567 *vlan
= input
->byte_stream
[IXGBE_ATR_VLAN_OFFSET
];
1568 *vlan
|= input
->byte_stream
[IXGBE_ATR_VLAN_OFFSET
+ 1] << 8;
1574 * ixgbe_atr_get_src_ipv4_82599 - Gets the source IPv4 address
1575 * @input: input stream to search
1576 * @src_addr: the IP address to load
1578 static s32
ixgbe_atr_get_src_ipv4_82599(struct ixgbe_atr_input
*input
,
1581 *src_addr
= input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
];
1582 *src_addr
|= input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 1] << 8;
1583 *src_addr
|= input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 2] << 16;
1584 *src_addr
|= input
->byte_stream
[IXGBE_ATR_SRC_IPV4_OFFSET
+ 3] << 24;
1590 * ixgbe_atr_get_dst_ipv4_82599 - Gets the destination IPv4 address
1591 * @input: input stream to search
1592 * @dst_addr: the IP address to load
1594 static s32
ixgbe_atr_get_dst_ipv4_82599(struct ixgbe_atr_input
*input
,
1597 *dst_addr
= input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
];
1598 *dst_addr
|= input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 1] << 8;
1599 *dst_addr
|= input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 2] << 16;
1600 *dst_addr
|= input
->byte_stream
[IXGBE_ATR_DST_IPV4_OFFSET
+ 3] << 24;
1606 * ixgbe_atr_get_src_ipv6_82599 - Gets the source IPv6 address
1607 * @input: input stream to search
1608 * @src_addr_1: the first 4 bytes of the IP address to load
1609 * @src_addr_2: the second 4 bytes of the IP address to load
1610 * @src_addr_3: the third 4 bytes of the IP address to load
1611 * @src_addr_4: the fourth 4 bytes of the IP address to load
1613 static s32
ixgbe_atr_get_src_ipv6_82599(struct ixgbe_atr_input
*input
,
1614 u32
*src_addr_1
, u32
*src_addr_2
,
1615 u32
*src_addr_3
, u32
*src_addr_4
)
1617 *src_addr_1
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 12];
1618 *src_addr_1
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 13] << 8;
1619 *src_addr_1
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 14] << 16;
1620 *src_addr_1
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 15] << 24;
1622 *src_addr_2
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 8];
1623 *src_addr_2
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 9] << 8;
1624 *src_addr_2
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 10] << 16;
1625 *src_addr_2
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 11] << 24;
1627 *src_addr_3
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 4];
1628 *src_addr_3
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 5] << 8;
1629 *src_addr_3
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 6] << 16;
1630 *src_addr_3
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 7] << 24;
1632 *src_addr_4
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
];
1633 *src_addr_4
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 1] << 8;
1634 *src_addr_4
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 2] << 16;
1635 *src_addr_4
= input
->byte_stream
[IXGBE_ATR_SRC_IPV6_OFFSET
+ 3] << 24;
1641 * ixgbe_atr_get_dst_ipv6_82599 - Gets the destination IPv6 address
1642 * @input: input stream to search
1643 * @dst_addr_1: the first 4 bytes of the IP address to load
1644 * @dst_addr_2: the second 4 bytes of the IP address to load
1645 * @dst_addr_3: the third 4 bytes of the IP address to load
1646 * @dst_addr_4: the fourth 4 bytes of the IP address to load
1648 s32
ixgbe_atr_get_dst_ipv6_82599(struct ixgbe_atr_input
*input
,
1649 u32
*dst_addr_1
, u32
*dst_addr_2
,
1650 u32
*dst_addr_3
, u32
*dst_addr_4
)
1652 *dst_addr_1
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 12];
1653 *dst_addr_1
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 13] << 8;
1654 *dst_addr_1
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 14] << 16;
1655 *dst_addr_1
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 15] << 24;
1657 *dst_addr_2
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 8];
1658 *dst_addr_2
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 9] << 8;
1659 *dst_addr_2
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 10] << 16;
1660 *dst_addr_2
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 11] << 24;
1662 *dst_addr_3
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 4];
1663 *dst_addr_3
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 5] << 8;
1664 *dst_addr_3
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 6] << 16;
1665 *dst_addr_3
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 7] << 24;
1667 *dst_addr_4
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
];
1668 *dst_addr_4
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 1] << 8;
1669 *dst_addr_4
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 2] << 16;
1670 *dst_addr_4
= input
->byte_stream
[IXGBE_ATR_DST_IPV6_OFFSET
+ 3] << 24;
1676 * ixgbe_atr_get_src_port_82599 - Gets the source port
1677 * @input: input stream to modify
1678 * @src_port: the source port to load
1680 * Even though the input is given in big-endian, the FDIRPORT registers
1681 * expect the ports to be programmed in little-endian. Hence the need to swap
1682 * endianness when retrieving the data. This can be confusing since the
1683 * internal hash engine expects it to be big-endian.
1685 static s32
ixgbe_atr_get_src_port_82599(struct ixgbe_atr_input
*input
,
1688 *src_port
= input
->byte_stream
[IXGBE_ATR_SRC_PORT_OFFSET
] << 8;
1689 *src_port
|= input
->byte_stream
[IXGBE_ATR_SRC_PORT_OFFSET
+ 1];
1695 * ixgbe_atr_get_dst_port_82599 - Gets the destination port
1696 * @input: input stream to modify
1697 * @dst_port: the destination port to load
1699 * Even though the input is given in big-endian, the FDIRPORT registers
1700 * expect the ports to be programmed in little-endian. Hence the need to swap
1701 * endianness when retrieving the data. This can be confusing since the
1702 * internal hash engine expects it to be big-endian.
1704 static s32
ixgbe_atr_get_dst_port_82599(struct ixgbe_atr_input
*input
,
1707 *dst_port
= input
->byte_stream
[IXGBE_ATR_DST_PORT_OFFSET
] << 8;
1708 *dst_port
|= input
->byte_stream
[IXGBE_ATR_DST_PORT_OFFSET
+ 1];
1714 * ixgbe_atr_get_flex_byte_82599 - Gets the flexible bytes
1715 * @input: input stream to modify
1716 * @flex_bytes: the flexible bytes to load
1718 static s32
ixgbe_atr_get_flex_byte_82599(struct ixgbe_atr_input
*input
,
1721 *flex_byte
= input
->byte_stream
[IXGBE_ATR_FLEX_BYTE_OFFSET
];
1722 *flex_byte
|= input
->byte_stream
[IXGBE_ATR_FLEX_BYTE_OFFSET
+ 1] << 8;
1728 * ixgbe_atr_get_vm_pool_82599 - Gets the Virtual Machine pool
1729 * @input: input stream to modify
1730 * @vm_pool: the Virtual Machine pool to load
1732 s32
ixgbe_atr_get_vm_pool_82599(struct ixgbe_atr_input
*input
,
1735 *vm_pool
= input
->byte_stream
[IXGBE_ATR_VM_POOL_OFFSET
];
1741 * ixgbe_atr_get_l4type_82599 - Gets the layer 4 packet type
1742 * @input: input stream to modify
1743 * @l4type: the layer 4 type value to load
1745 static s32
ixgbe_atr_get_l4type_82599(struct ixgbe_atr_input
*input
,
1748 *l4type
= input
->byte_stream
[IXGBE_ATR_L4TYPE_OFFSET
];
1754 * ixgbe_atr_add_signature_filter_82599 - Adds a signature hash filter
1755 * @hw: pointer to hardware structure
1756 * @stream: input bitstream
1757 * @queue: queue index to direct traffic to
1759 s32
ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw
*hw
,
1760 struct ixgbe_atr_input
*input
,
1766 u16 bucket_hash
, sig_hash
;
1769 bucket_hash
= ixgbe_atr_compute_hash_82599(input
,
1770 IXGBE_ATR_BUCKET_HASH_KEY
);
1772 /* bucket_hash is only 15 bits */
1773 bucket_hash
&= IXGBE_ATR_HASH_MASK
;
1775 sig_hash
= ixgbe_atr_compute_hash_82599(input
,
1776 IXGBE_ATR_SIGNATURE_HASH_KEY
);
1778 /* Get the l4type in order to program FDIRCMD properly */
1779 /* lowest 2 bits are FDIRCMD.L4TYPE, third lowest bit is FDIRCMD.IPV6 */
1780 ixgbe_atr_get_l4type_82599(input
, &l4type
);
1783 * The lower 32-bits of fdirhashcmd is for FDIRHASH, the upper 32-bits
1784 * is for FDIRCMD. Then do a 64-bit register write from FDIRHASH.
1786 fdirhash
= sig_hash
<< IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT
| bucket_hash
;
1788 fdircmd
= (IXGBE_FDIRCMD_CMD_ADD_FLOW
| IXGBE_FDIRCMD_FILTER_UPDATE
|
1789 IXGBE_FDIRCMD_LAST
| IXGBE_FDIRCMD_QUEUE_EN
);
1791 switch (l4type
& IXGBE_ATR_L4TYPE_MASK
) {
1792 case IXGBE_ATR_L4TYPE_TCP
:
1793 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_TCP
;
1795 case IXGBE_ATR_L4TYPE_UDP
:
1796 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_UDP
;
1798 case IXGBE_ATR_L4TYPE_SCTP
:
1799 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_SCTP
;
1802 hw_dbg(hw
, "Error on l4type input\n");
1803 return IXGBE_ERR_CONFIG
;
1806 if (l4type
& IXGBE_ATR_L4TYPE_IPV6_MASK
)
1807 fdircmd
|= IXGBE_FDIRCMD_IPV6
;
1809 fdircmd
|= ((u64
)queue
<< IXGBE_FDIRCMD_RX_QUEUE_SHIFT
);
1810 fdirhashcmd
= ((fdircmd
<< 32) | fdirhash
);
1812 IXGBE_WRITE_REG64(hw
, IXGBE_FDIRHASH
, fdirhashcmd
);
1818 * ixgbe_fdir_add_perfect_filter_82599 - Adds a perfect filter
1819 * @hw: pointer to hardware structure
1820 * @input: input bitstream
1821 * @input_masks: bitwise masks for relevant fields
1822 * @soft_id: software index into the silicon hash tables for filter storage
1823 * @queue: queue index to direct traffic to
1825 * Note that the caller to this function must lock before calling, since the
1826 * hardware writes must be protected from one another.
1828 s32
ixgbe_fdir_add_perfect_filter_82599(struct ixgbe_hw
*hw
,
1829 struct ixgbe_atr_input
*input
,
1830 struct ixgbe_atr_input_masks
*input_masks
,
1831 u16 soft_id
, u8 queue
)
1835 u32 src_ipv4
= 0, dst_ipv4
= 0;
1836 u32 src_ipv6_1
, src_ipv6_2
, src_ipv6_3
, src_ipv6_4
;
1837 u16 src_port
, dst_port
, vlan_id
, flex_bytes
;
1842 /* Get our input values */
1843 ixgbe_atr_get_l4type_82599(input
, &l4type
);
1846 * Check l4type formatting, and bail out before we touch the hardware
1847 * if there's a configuration issue
1849 switch (l4type
& IXGBE_ATR_L4TYPE_MASK
) {
1850 case IXGBE_ATR_L4TYPE_TCP
:
1851 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_TCP
;
1853 case IXGBE_ATR_L4TYPE_UDP
:
1854 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_UDP
;
1856 case IXGBE_ATR_L4TYPE_SCTP
:
1857 fdircmd
|= IXGBE_FDIRCMD_L4TYPE_SCTP
;
1860 hw_dbg(hw
, "Error on l4type input\n");
1861 return IXGBE_ERR_CONFIG
;
1864 bucket_hash
= ixgbe_atr_compute_hash_82599(input
,
1865 IXGBE_ATR_BUCKET_HASH_KEY
);
1867 /* bucket_hash is only 15 bits */
1868 bucket_hash
&= IXGBE_ATR_HASH_MASK
;
1870 ixgbe_atr_get_vlan_id_82599(input
, &vlan_id
);
1871 ixgbe_atr_get_src_port_82599(input
, &src_port
);
1872 ixgbe_atr_get_dst_port_82599(input
, &dst_port
);
1873 ixgbe_atr_get_flex_byte_82599(input
, &flex_bytes
);
1875 fdirhash
= soft_id
<< IXGBE_FDIRHASH_SIG_SW_INDEX_SHIFT
| bucket_hash
;
1877 /* Now figure out if we're IPv4 or IPv6 */
1878 if (l4type
& IXGBE_ATR_L4TYPE_IPV6_MASK
) {
1880 ixgbe_atr_get_src_ipv6_82599(input
, &src_ipv6_1
, &src_ipv6_2
,
1881 &src_ipv6_3
, &src_ipv6_4
);
1883 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSIPv6(0), src_ipv6_1
);
1884 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSIPv6(1), src_ipv6_2
);
1885 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSIPv6(2), src_ipv6_3
);
1886 /* The last 4 bytes is the same register as IPv4 */
1887 IXGBE_WRITE_REG(hw
, IXGBE_FDIRIPSA
, src_ipv6_4
);
1889 fdircmd
|= IXGBE_FDIRCMD_IPV6
;
1890 fdircmd
|= IXGBE_FDIRCMD_IPv6DMATCH
;
1893 ixgbe_atr_get_src_ipv4_82599(input
, &src_ipv4
);
1894 IXGBE_WRITE_REG(hw
, IXGBE_FDIRIPSA
, src_ipv4
);
1897 ixgbe_atr_get_dst_ipv4_82599(input
, &dst_ipv4
);
1898 IXGBE_WRITE_REG(hw
, IXGBE_FDIRIPDA
, dst_ipv4
);
1900 IXGBE_WRITE_REG(hw
, IXGBE_FDIRVLAN
, (vlan_id
|
1901 (flex_bytes
<< IXGBE_FDIRVLAN_FLEX_SHIFT
)));
1902 IXGBE_WRITE_REG(hw
, IXGBE_FDIRPORT
, (src_port
|
1903 (dst_port
<< IXGBE_FDIRPORT_DESTINATION_SHIFT
)));
1906 * Program the relevant mask registers. If src/dst_port or src/dst_addr
1907 * are zero, then assume a full mask for that field. Also assume that
1908 * a VLAN of 0 is unspecified, so mask that out as well. L4type
1909 * cannot be masked out in this implementation.
1911 * This also assumes IPv4 only. IPv6 masking isn't supported at this
1915 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSIP4M
, 0xffffffff);
1917 IXGBE_WRITE_REG(hw
, IXGBE_FDIRSIP4M
, input_masks
->src_ip_mask
);
1920 IXGBE_WRITE_REG(hw
, IXGBE_FDIRDIP4M
, 0xffffffff);
1922 IXGBE_WRITE_REG(hw
, IXGBE_FDIRDIP4M
, input_masks
->dst_ip_mask
);
1924 switch (l4type
& IXGBE_ATR_L4TYPE_MASK
) {
1925 case IXGBE_ATR_L4TYPE_TCP
:
1927 IXGBE_WRITE_REG(hw
, IXGBE_FDIRTCPM
, 0xffff);
1929 IXGBE_WRITE_REG(hw
, IXGBE_FDIRTCPM
,
1930 input_masks
->src_port_mask
);
1933 IXGBE_WRITE_REG(hw
, IXGBE_FDIRTCPM
,
1934 (IXGBE_READ_REG(hw
, IXGBE_FDIRTCPM
) |
1937 IXGBE_WRITE_REG(hw
, IXGBE_FDIRTCPM
,
1938 (IXGBE_READ_REG(hw
, IXGBE_FDIRTCPM
) |
1939 (input_masks
->dst_port_mask
<< 16)));
1941 case IXGBE_ATR_L4TYPE_UDP
:
1943 IXGBE_WRITE_REG(hw
, IXGBE_FDIRUDPM
, 0xffff);
1945 IXGBE_WRITE_REG(hw
, IXGBE_FDIRUDPM
,
1946 input_masks
->src_port_mask
);
1949 IXGBE_WRITE_REG(hw
, IXGBE_FDIRUDPM
,
1950 (IXGBE_READ_REG(hw
, IXGBE_FDIRUDPM
) |
1953 IXGBE_WRITE_REG(hw
, IXGBE_FDIRUDPM
,
1954 (IXGBE_READ_REG(hw
, IXGBE_FDIRUDPM
) |
1955 (input_masks
->src_port_mask
<< 16)));
1958 /* this already would have failed above */
1962 /* Program the last mask register, FDIRM */
1963 if (input_masks
->vlan_id_mask
|| !vlan_id
)
1964 /* Mask both VLAN and VLANP - bits 0 and 1 */
1967 if (input_masks
->data_mask
|| !flex_bytes
)
1968 /* Flex bytes need masking, so mask the whole thing - bit 4 */
1971 /* Now mask VM pool and destination IPv6 - bits 5 and 2 */
1974 IXGBE_WRITE_REG(hw
, IXGBE_FDIRM
, fdirm
);
1976 fdircmd
|= IXGBE_FDIRCMD_CMD_ADD_FLOW
;
1977 fdircmd
|= IXGBE_FDIRCMD_FILTER_UPDATE
;
1978 fdircmd
|= IXGBE_FDIRCMD_LAST
;
1979 fdircmd
|= IXGBE_FDIRCMD_QUEUE_EN
;
1980 fdircmd
|= queue
<< IXGBE_FDIRCMD_RX_QUEUE_SHIFT
;
1982 IXGBE_WRITE_REG(hw
, IXGBE_FDIRHASH
, fdirhash
);
1983 IXGBE_WRITE_REG(hw
, IXGBE_FDIRCMD
, fdircmd
);
1988 * ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1989 * @hw: pointer to hardware structure
1990 * @reg: analog register to read
1993 * Performs read operation to Omer analog register specified.
1995 static s32
ixgbe_read_analog_reg8_82599(struct ixgbe_hw
*hw
, u32 reg
, u8
*val
)
1999 IXGBE_WRITE_REG(hw
, IXGBE_CORECTL
, IXGBE_CORECTL_WRITE_CMD
|
2001 IXGBE_WRITE_FLUSH(hw
);
2003 core_ctl
= IXGBE_READ_REG(hw
, IXGBE_CORECTL
);
2004 *val
= (u8
)core_ctl
;
2010 * ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
2011 * @hw: pointer to hardware structure
2012 * @reg: atlas register to write
2013 * @val: value to write
2015 * Performs write operation to Omer analog register specified.
2017 static s32
ixgbe_write_analog_reg8_82599(struct ixgbe_hw
*hw
, u32 reg
, u8 val
)
2021 core_ctl
= (reg
<< 8) | val
;
2022 IXGBE_WRITE_REG(hw
, IXGBE_CORECTL
, core_ctl
);
2023 IXGBE_WRITE_FLUSH(hw
);
2030 * ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
2031 * @hw: pointer to hardware structure
2033 * Starts the hardware using the generic start_hw function.
2034 * Then performs device-specific:
2035 * Clears the rate limiter registers.
2037 static s32
ixgbe_start_hw_82599(struct ixgbe_hw
*hw
)
2042 ret_val
= ixgbe_start_hw_generic(hw
);
2044 /* Clear the rate limiters */
2045 for (q_num
= 0; q_num
< hw
->mac
.max_tx_queues
; q_num
++) {
2046 IXGBE_WRITE_REG(hw
, IXGBE_RTTDQSEL
, q_num
);
2047 IXGBE_WRITE_REG(hw
, IXGBE_RTTBCNRC
, 0);
2049 IXGBE_WRITE_FLUSH(hw
);
2051 /* We need to run link autotry after the driver loads */
2052 hw
->mac
.autotry_restart
= true;
2055 ret_val
= ixgbe_verify_fw_version_82599(hw
);
2061 * ixgbe_identify_phy_82599 - Get physical layer module
2062 * @hw: pointer to hardware structure
2064 * Determines the physical layer module found on the current adapter.
2066 static s32
ixgbe_identify_phy_82599(struct ixgbe_hw
*hw
)
2068 s32 status
= IXGBE_ERR_PHY_ADDR_INVALID
;
2069 status
= ixgbe_identify_phy_generic(hw
);
2071 status
= ixgbe_identify_sfp_module_generic(hw
);
2076 * ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
2077 * @hw: pointer to hardware structure
2079 * Determines physical layer capabilities of the current configuration.
2081 static u32
ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw
*hw
)
2083 u32 physical_layer
= IXGBE_PHYSICAL_LAYER_UNKNOWN
;
2084 u32 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
2085 u32 autoc2
= IXGBE_READ_REG(hw
, IXGBE_AUTOC2
);
2086 u32 pma_pmd_10g_serial
= autoc2
& IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK
;
2087 u32 pma_pmd_10g_parallel
= autoc
& IXGBE_AUTOC_10G_PMA_PMD_MASK
;
2088 u32 pma_pmd_1g
= autoc
& IXGBE_AUTOC_1G_PMA_PMD_MASK
;
2089 u16 ext_ability
= 0;
2090 u8 comp_codes_10g
= 0;
2091 u8 comp_codes_1g
= 0;
2093 hw
->phy
.ops
.identify(hw
);
2095 if (hw
->phy
.type
== ixgbe_phy_tn
||
2096 hw
->phy
.type
== ixgbe_phy_cu_unknown
) {
2097 hw
->phy
.ops
.read_reg(hw
, MDIO_PMA_EXTABLE
, MDIO_MMD_PMAPMD
,
2099 if (ext_ability
& MDIO_PMA_EXTABLE_10GBT
)
2100 physical_layer
|= IXGBE_PHYSICAL_LAYER_10GBASE_T
;
2101 if (ext_ability
& MDIO_PMA_EXTABLE_1000BT
)
2102 physical_layer
|= IXGBE_PHYSICAL_LAYER_1000BASE_T
;
2103 if (ext_ability
& MDIO_PMA_EXTABLE_100BTX
)
2104 physical_layer
|= IXGBE_PHYSICAL_LAYER_100BASE_TX
;
2108 switch (autoc
& IXGBE_AUTOC_LMS_MASK
) {
2109 case IXGBE_AUTOC_LMS_1G_AN
:
2110 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN
:
2111 if (pma_pmd_1g
== IXGBE_AUTOC_1G_KX_BX
) {
2112 physical_layer
= IXGBE_PHYSICAL_LAYER_1000BASE_KX
|
2113 IXGBE_PHYSICAL_LAYER_1000BASE_BX
;
2116 /* SFI mode so read SFP module */
2119 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN
:
2120 if (pma_pmd_10g_parallel
== IXGBE_AUTOC_10G_CX4
)
2121 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_CX4
;
2122 else if (pma_pmd_10g_parallel
== IXGBE_AUTOC_10G_KX4
)
2123 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_KX4
;
2124 else if (pma_pmd_10g_parallel
== IXGBE_AUTOC_10G_XAUI
)
2125 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_XAUI
;
2128 case IXGBE_AUTOC_LMS_10G_SERIAL
:
2129 if (pma_pmd_10g_serial
== IXGBE_AUTOC2_10G_KR
) {
2130 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_KR
;
2132 } else if (pma_pmd_10g_serial
== IXGBE_AUTOC2_10G_SFI
)
2135 case IXGBE_AUTOC_LMS_KX4_KX_KR
:
2136 case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN
:
2137 if (autoc
& IXGBE_AUTOC_KX_SUPP
)
2138 physical_layer
|= IXGBE_PHYSICAL_LAYER_1000BASE_KX
;
2139 if (autoc
& IXGBE_AUTOC_KX4_SUPP
)
2140 physical_layer
|= IXGBE_PHYSICAL_LAYER_10GBASE_KX4
;
2141 if (autoc
& IXGBE_AUTOC_KR_SUPP
)
2142 physical_layer
|= IXGBE_PHYSICAL_LAYER_10GBASE_KR
;
2151 /* SFP check must be done last since DA modules are sometimes used to
2152 * test KR mode - we need to id KR mode correctly before SFP module.
2153 * Call identify_sfp because the pluggable module may have changed */
2154 hw
->phy
.ops
.identify_sfp(hw
);
2155 if (hw
->phy
.sfp_type
== ixgbe_sfp_type_not_present
)
2158 switch (hw
->phy
.type
) {
2159 case ixgbe_phy_sfp_passive_tyco
:
2160 case ixgbe_phy_sfp_passive_unknown
:
2161 physical_layer
= IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU
;
2163 case ixgbe_phy_sfp_ftl_active
:
2164 case ixgbe_phy_sfp_active_unknown
:
2165 physical_layer
= IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA
;
2167 case ixgbe_phy_sfp_avago
:
2168 case ixgbe_phy_sfp_ftl
:
2169 case ixgbe_phy_sfp_intel
:
2170 case ixgbe_phy_sfp_unknown
:
2171 hw
->phy
.ops
.read_i2c_eeprom(hw
,
2172 IXGBE_SFF_1GBE_COMP_CODES
, &comp_codes_1g
);
2173 hw
->phy
.ops
.read_i2c_eeprom(hw
,
2174 IXGBE_SFF_10GBE_COMP_CODES
, &comp_codes_10g
);
2175 if (comp_codes_10g
& IXGBE_SFF_10GBASESR_CAPABLE
)
2176 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_SR
;
2177 else if (comp_codes_10g
& IXGBE_SFF_10GBASELR_CAPABLE
)
2178 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_LR
;
2179 else if (comp_codes_1g
& IXGBE_SFF_1GBASET_CAPABLE
)
2180 physical_layer
= IXGBE_PHYSICAL_LAYER_1000BASE_T
;
2187 return physical_layer
;
2191 * ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
2192 * @hw: pointer to hardware structure
2193 * @regval: register value to write to RXCTRL
2195 * Enables the Rx DMA unit for 82599
2197 static s32
ixgbe_enable_rx_dma_82599(struct ixgbe_hw
*hw
, u32 regval
)
2199 #define IXGBE_MAX_SECRX_POLL 30
2203 secrxreg
= IXGBE_READ_REG(hw
, IXGBE_SECRXCTRL
);
2204 secrxreg
|= IXGBE_SECRXCTRL_RX_DIS
;
2205 IXGBE_WRITE_REG(hw
, IXGBE_SECRXCTRL
, secrxreg
);
2206 for (i
= 0; i
< IXGBE_MAX_SECRX_POLL
; i
++) {
2207 secrxreg
= IXGBE_READ_REG(hw
, IXGBE_SECRXSTAT
);
2208 if (secrxreg
& IXGBE_SECRXSTAT_SECRX_RDY
)
2214 /* For informational purposes only */
2215 if (i
>= IXGBE_MAX_SECRX_POLL
)
2216 hw_dbg(hw
, "Rx unit being enabled before security "
2217 "path fully disabled. Continuing with init.\n");
2219 IXGBE_WRITE_REG(hw
, IXGBE_RXCTRL
, regval
);
2220 secrxreg
= IXGBE_READ_REG(hw
, IXGBE_SECRXCTRL
);
2221 secrxreg
&= ~IXGBE_SECRXCTRL_RX_DIS
;
2222 IXGBE_WRITE_REG(hw
, IXGBE_SECRXCTRL
, secrxreg
);
2223 IXGBE_WRITE_FLUSH(hw
);
2229 * ixgbe_get_device_caps_82599 - Get additional device capabilities
2230 * @hw: pointer to hardware structure
2231 * @device_caps: the EEPROM word with the extra device capabilities
2233 * This function will read the EEPROM location for the device capabilities,
2234 * and return the word through device_caps.
2236 static s32
ixgbe_get_device_caps_82599(struct ixgbe_hw
*hw
, u16
*device_caps
)
2238 hw
->eeprom
.ops
.read(hw
, IXGBE_DEVICE_CAPS
, device_caps
);
2244 * ixgbe_verify_fw_version_82599 - verify fw version for 82599
2245 * @hw: pointer to hardware structure
2247 * Verifies that installed the firmware version is 0.6 or higher
2248 * for SFI devices. All 82599 SFI devices should have version 0.6 or higher.
2250 * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or
2251 * if the FW version is not supported.
2253 static s32
ixgbe_verify_fw_version_82599(struct ixgbe_hw
*hw
)
2255 s32 status
= IXGBE_ERR_EEPROM_VERSION
;
2256 u16 fw_offset
, fw_ptp_cfg_offset
;
2259 /* firmware check is only necessary for SFI devices */
2260 if (hw
->phy
.media_type
!= ixgbe_media_type_fiber
) {
2262 goto fw_version_out
;
2265 /* get the offset to the Firmware Module block */
2266 hw
->eeprom
.ops
.read(hw
, IXGBE_FW_PTR
, &fw_offset
);
2268 if ((fw_offset
== 0) || (fw_offset
== 0xFFFF))
2269 goto fw_version_out
;
2271 /* get the offset to the Pass Through Patch Configuration block */
2272 hw
->eeprom
.ops
.read(hw
, (fw_offset
+
2273 IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR
),
2274 &fw_ptp_cfg_offset
);
2276 if ((fw_ptp_cfg_offset
== 0) || (fw_ptp_cfg_offset
== 0xFFFF))
2277 goto fw_version_out
;
2279 /* get the firmware version */
2280 hw
->eeprom
.ops
.read(hw
, (fw_ptp_cfg_offset
+
2281 IXGBE_FW_PATCH_VERSION_4
),
2284 if (fw_version
> 0x5)
2292 * ixgbe_get_wwn_prefix_82599 - Get alternative WWNN/WWPN prefix from
2294 * @hw: pointer to hardware structure
2295 * @wwnn_prefix: the alternative WWNN prefix
2296 * @wwpn_prefix: the alternative WWPN prefix
2298 * This function will read the EEPROM from the alternative SAN MAC address
2299 * block to check the support for the alternative WWNN/WWPN prefix support.
2301 static s32
ixgbe_get_wwn_prefix_82599(struct ixgbe_hw
*hw
, u16
*wwnn_prefix
,
2305 u16 alt_san_mac_blk_offset
;
2307 /* clear output first */
2308 *wwnn_prefix
= 0xFFFF;
2309 *wwpn_prefix
= 0xFFFF;
2311 /* check if alternative SAN MAC is supported */
2312 hw
->eeprom
.ops
.read(hw
, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR
,
2313 &alt_san_mac_blk_offset
);
2315 if ((alt_san_mac_blk_offset
== 0) ||
2316 (alt_san_mac_blk_offset
== 0xFFFF))
2317 goto wwn_prefix_out
;
2319 /* check capability in alternative san mac address block */
2320 offset
= alt_san_mac_blk_offset
+ IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET
;
2321 hw
->eeprom
.ops
.read(hw
, offset
, &caps
);
2322 if (!(caps
& IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN
))
2323 goto wwn_prefix_out
;
2325 /* get the corresponding prefix for WWNN/WWPN */
2326 offset
= alt_san_mac_blk_offset
+ IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET
;
2327 hw
->eeprom
.ops
.read(hw
, offset
, wwnn_prefix
);
2329 offset
= alt_san_mac_blk_offset
+ IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET
;
2330 hw
->eeprom
.ops
.read(hw
, offset
, wwpn_prefix
);
2336 static struct ixgbe_mac_operations mac_ops_82599
= {
2337 .init_hw
= &ixgbe_init_hw_generic
,
2338 .reset_hw
= &ixgbe_reset_hw_82599
,
2339 .start_hw
= &ixgbe_start_hw_82599
,
2340 .clear_hw_cntrs
= &ixgbe_clear_hw_cntrs_generic
,
2341 .get_media_type
= &ixgbe_get_media_type_82599
,
2342 .get_supported_physical_layer
= &ixgbe_get_supported_physical_layer_82599
,
2343 .enable_rx_dma
= &ixgbe_enable_rx_dma_82599
,
2344 .get_mac_addr
= &ixgbe_get_mac_addr_generic
,
2345 .get_san_mac_addr
= &ixgbe_get_san_mac_addr_generic
,
2346 .get_device_caps
= &ixgbe_get_device_caps_82599
,
2347 .get_wwn_prefix
= &ixgbe_get_wwn_prefix_82599
,
2348 .stop_adapter
= &ixgbe_stop_adapter_generic
,
2349 .get_bus_info
= &ixgbe_get_bus_info_generic
,
2350 .set_lan_id
= &ixgbe_set_lan_id_multi_port_pcie
,
2351 .read_analog_reg8
= &ixgbe_read_analog_reg8_82599
,
2352 .write_analog_reg8
= &ixgbe_write_analog_reg8_82599
,
2353 .setup_link
= &ixgbe_setup_mac_link_82599
,
2354 .check_link
= &ixgbe_check_mac_link_generic
,
2355 .get_link_capabilities
= &ixgbe_get_link_capabilities_82599
,
2356 .led_on
= &ixgbe_led_on_generic
,
2357 .led_off
= &ixgbe_led_off_generic
,
2358 .blink_led_start
= &ixgbe_blink_led_start_generic
,
2359 .blink_led_stop
= &ixgbe_blink_led_stop_generic
,
2360 .set_rar
= &ixgbe_set_rar_generic
,
2361 .clear_rar
= &ixgbe_clear_rar_generic
,
2362 .set_vmdq
= &ixgbe_set_vmdq_generic
,
2363 .clear_vmdq
= &ixgbe_clear_vmdq_generic
,
2364 .init_rx_addrs
= &ixgbe_init_rx_addrs_generic
,
2365 .update_uc_addr_list
= &ixgbe_update_uc_addr_list_generic
,
2366 .update_mc_addr_list
= &ixgbe_update_mc_addr_list_generic
,
2367 .enable_mc
= &ixgbe_enable_mc_generic
,
2368 .disable_mc
= &ixgbe_disable_mc_generic
,
2369 .clear_vfta
= &ixgbe_clear_vfta_generic
,
2370 .set_vfta
= &ixgbe_set_vfta_generic
,
2371 .fc_enable
= &ixgbe_fc_enable_generic
,
2372 .init_uta_tables
= &ixgbe_init_uta_tables_generic
,
2373 .setup_sfp
= &ixgbe_setup_sfp_modules_82599
,
2376 static struct ixgbe_eeprom_operations eeprom_ops_82599
= {
2377 .init_params
= &ixgbe_init_eeprom_params_generic
,
2378 .read
= &ixgbe_read_eerd_generic
,
2379 .write
= &ixgbe_write_eeprom_generic
,
2380 .validate_checksum
= &ixgbe_validate_eeprom_checksum_generic
,
2381 .update_checksum
= &ixgbe_update_eeprom_checksum_generic
,
2384 static struct ixgbe_phy_operations phy_ops_82599
= {
2385 .identify
= &ixgbe_identify_phy_82599
,
2386 .identify_sfp
= &ixgbe_identify_sfp_module_generic
,
2387 .init
= &ixgbe_init_phy_ops_82599
,
2388 .reset
= &ixgbe_reset_phy_generic
,
2389 .read_reg
= &ixgbe_read_phy_reg_generic
,
2390 .write_reg
= &ixgbe_write_phy_reg_generic
,
2391 .setup_link
= &ixgbe_setup_phy_link_generic
,
2392 .setup_link_speed
= &ixgbe_setup_phy_link_speed_generic
,
2393 .read_i2c_byte
= &ixgbe_read_i2c_byte_generic
,
2394 .write_i2c_byte
= &ixgbe_write_i2c_byte_generic
,
2395 .read_i2c_eeprom
= &ixgbe_read_i2c_eeprom_generic
,
2396 .write_i2c_eeprom
= &ixgbe_write_i2c_eeprom_generic
,
2397 .check_overtemp
= &ixgbe_tn_check_overtemp
,
2400 struct ixgbe_info ixgbe_82599_info
= {
2401 .mac
= ixgbe_mac_82599EB
,
2402 .get_invariants
= &ixgbe_get_invariants_82599
,
2403 .mac_ops
= &mac_ops_82599
,
2404 .eeprom_ops
= &eeprom_ops_82599
,
2405 .phy_ops
= &phy_ops_82599
,
2406 .mbx_ops
= &mbx_ops_82599
,