1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2020 Intel Corporation
5 #include "ixgbe_type.h"
6 #include "ixgbe_82598.h"
8 #include "ixgbe_common.h"
11 #define IXGBE_82598_MAX_TX_QUEUES 32
12 #define IXGBE_82598_MAX_RX_QUEUES 64
13 #define IXGBE_82598_RAR_ENTRIES 16
14 #define IXGBE_82598_MC_TBL_SIZE 128
15 #define IXGBE_82598_VFT_TBL_SIZE 128
16 #define IXGBE_82598_RX_PB_SIZE 512
18 STATIC s32
ixgbe_get_link_capabilities_82598(struct ixgbe_hw
*hw
,
19 ixgbe_link_speed
*speed
,
21 STATIC
enum ixgbe_media_type
ixgbe_get_media_type_82598(struct ixgbe_hw
*hw
);
22 STATIC s32
ixgbe_start_mac_link_82598(struct ixgbe_hw
*hw
,
23 bool autoneg_wait_to_complete
);
24 STATIC s32
ixgbe_check_mac_link_82598(struct ixgbe_hw
*hw
,
25 ixgbe_link_speed
*speed
, bool *link_up
,
26 bool link_up_wait_to_complete
);
27 STATIC s32
ixgbe_setup_mac_link_82598(struct ixgbe_hw
*hw
,
28 ixgbe_link_speed speed
,
29 bool autoneg_wait_to_complete
);
30 STATIC s32
ixgbe_setup_copper_link_82598(struct ixgbe_hw
*hw
,
31 ixgbe_link_speed speed
,
32 bool autoneg_wait_to_complete
);
33 STATIC s32
ixgbe_reset_hw_82598(struct ixgbe_hw
*hw
);
34 STATIC s32
ixgbe_clear_vmdq_82598(struct ixgbe_hw
*hw
, u32 rar
, u32 vmdq
);
35 STATIC s32
ixgbe_clear_vfta_82598(struct ixgbe_hw
*hw
);
36 STATIC
void ixgbe_set_rxpba_82598(struct ixgbe_hw
*hw
, int num_pb
,
37 u32 headroom
, int strategy
);
38 STATIC s32
ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw
*hw
, u8 byte_offset
,
41 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
42 * @hw: pointer to the HW structure
44 * The defaults for 82598 should be in the range of 50us to 50ms,
45 * however the hardware default for these parts is 500us to 1ms which is less
46 * than the 10ms recommended by the pci-e spec. To address this we need to
47 * increase the value to either 10ms to 250ms for capability version 1 config,
48 * or 16ms to 55ms for version 2.
50 void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw
*hw
)
52 u32 gcr
= IXGBE_READ_REG(hw
, IXGBE_GCR
);
55 /* only take action if timeout value is defaulted to 0 */
56 if (gcr
& IXGBE_GCR_CMPL_TMOUT_MASK
)
60 * if capababilities version is type 1 we can write the
61 * timeout of 10ms to 250ms through the GCR register
63 if (!(gcr
& IXGBE_GCR_CAP_VER2
)) {
64 gcr
|= IXGBE_GCR_CMPL_TMOUT_10ms
;
69 * for version 2 capabilities we need to write the config space
70 * directly in order to set the completion timeout value for
73 pcie_devctl2
= IXGBE_READ_PCIE_WORD(hw
, IXGBE_PCI_DEVICE_CONTROL2
);
74 pcie_devctl2
|= IXGBE_PCI_DEVICE_CONTROL2_16ms
;
75 IXGBE_WRITE_PCIE_WORD(hw
, IXGBE_PCI_DEVICE_CONTROL2
, pcie_devctl2
);
77 /* disable completion timeout resend */
78 gcr
&= ~IXGBE_GCR_CMPL_TMOUT_RESEND
;
79 IXGBE_WRITE_REG(hw
, IXGBE_GCR
, gcr
);
83 * ixgbe_init_ops_82598 - Inits func ptrs and MAC type
84 * @hw: pointer to hardware structure
86 * Initialize the function pointers and assign the MAC type for 82598.
87 * Does not touch the hardware.
89 s32
ixgbe_init_ops_82598(struct ixgbe_hw
*hw
)
91 struct ixgbe_mac_info
*mac
= &hw
->mac
;
92 struct ixgbe_phy_info
*phy
= &hw
->phy
;
95 DEBUGFUNC("ixgbe_init_ops_82598");
97 ret_val
= ixgbe_init_phy_ops_generic(hw
);
98 ret_val
= ixgbe_init_ops_generic(hw
);
101 phy
->ops
.init
= ixgbe_init_phy_ops_82598
;
104 mac
->ops
.start_hw
= ixgbe_start_hw_82598
;
105 mac
->ops
.enable_relaxed_ordering
= ixgbe_enable_relaxed_ordering_82598
;
106 mac
->ops
.reset_hw
= ixgbe_reset_hw_82598
;
107 mac
->ops
.get_media_type
= ixgbe_get_media_type_82598
;
108 mac
->ops
.get_supported_physical_layer
=
109 ixgbe_get_supported_physical_layer_82598
;
110 mac
->ops
.read_analog_reg8
= ixgbe_read_analog_reg8_82598
;
111 mac
->ops
.write_analog_reg8
= ixgbe_write_analog_reg8_82598
;
112 mac
->ops
.set_lan_id
= ixgbe_set_lan_id_multi_port_pcie_82598
;
113 mac
->ops
.enable_rx_dma
= ixgbe_enable_rx_dma_82598
;
115 /* RAR, Multicast, VLAN */
116 mac
->ops
.set_vmdq
= ixgbe_set_vmdq_82598
;
117 mac
->ops
.clear_vmdq
= ixgbe_clear_vmdq_82598
;
118 mac
->ops
.set_vfta
= ixgbe_set_vfta_82598
;
119 mac
->ops
.set_vlvf
= NULL
;
120 mac
->ops
.clear_vfta
= ixgbe_clear_vfta_82598
;
123 mac
->ops
.fc_enable
= ixgbe_fc_enable_82598
;
125 mac
->mcft_size
= IXGBE_82598_MC_TBL_SIZE
;
126 mac
->vft_size
= IXGBE_82598_VFT_TBL_SIZE
;
127 mac
->num_rar_entries
= IXGBE_82598_RAR_ENTRIES
;
128 mac
->rx_pb_size
= IXGBE_82598_RX_PB_SIZE
;
129 mac
->max_rx_queues
= IXGBE_82598_MAX_RX_QUEUES
;
130 mac
->max_tx_queues
= IXGBE_82598_MAX_TX_QUEUES
;
131 mac
->max_msix_vectors
= ixgbe_get_pcie_msix_count_generic(hw
);
134 phy
->ops
.read_i2c_eeprom
= ixgbe_read_i2c_eeprom_82598
;
135 phy
->ops
.read_i2c_sff8472
= ixgbe_read_i2c_sff8472_82598
;
138 mac
->ops
.check_link
= ixgbe_check_mac_link_82598
;
139 mac
->ops
.setup_link
= ixgbe_setup_mac_link_82598
;
140 mac
->ops
.flap_tx_laser
= NULL
;
141 mac
->ops
.get_link_capabilities
= ixgbe_get_link_capabilities_82598
;
142 mac
->ops
.setup_rxpba
= ixgbe_set_rxpba_82598
;
144 /* Manageability interface */
145 mac
->ops
.set_fw_drv_ver
= NULL
;
147 mac
->ops
.get_rtrup2tc
= NULL
;
153 * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
154 * @hw: pointer to hardware structure
156 * Initialize any function pointers that were not able to be
157 * set during init_shared_code because the PHY/SFP type was
158 * not known. Perform the SFP init if necessary.
161 s32
ixgbe_init_phy_ops_82598(struct ixgbe_hw
*hw
)
163 struct ixgbe_mac_info
*mac
= &hw
->mac
;
164 struct ixgbe_phy_info
*phy
= &hw
->phy
;
165 s32 ret_val
= IXGBE_SUCCESS
;
166 u16 list_offset
, data_offset
;
168 DEBUGFUNC("ixgbe_init_phy_ops_82598");
170 /* Identify the PHY */
171 phy
->ops
.identify(hw
);
173 /* Overwrite the link function pointers if copper PHY */
174 if (mac
->ops
.get_media_type(hw
) == ixgbe_media_type_copper
) {
175 mac
->ops
.setup_link
= ixgbe_setup_copper_link_82598
;
176 mac
->ops
.get_link_capabilities
=
177 ixgbe_get_copper_link_capabilities_generic
;
180 switch (hw
->phy
.type
) {
182 phy
->ops
.setup_link
= ixgbe_setup_phy_link_tnx
;
183 phy
->ops
.check_link
= ixgbe_check_phy_link_tnx
;
184 phy
->ops
.get_firmware_version
=
185 ixgbe_get_phy_firmware_version_tnx
;
188 phy
->ops
.reset
= ixgbe_reset_phy_nl
;
190 /* Call SFP+ identify routine to get the SFP+ module type */
191 ret_val
= phy
->ops
.identify_sfp(hw
);
192 if (ret_val
!= IXGBE_SUCCESS
)
194 else if (hw
->phy
.sfp_type
== ixgbe_sfp_type_unknown
) {
195 ret_val
= IXGBE_ERR_SFP_NOT_SUPPORTED
;
199 /* Check to see if SFP+ module is supported */
200 ret_val
= ixgbe_get_sfp_init_sequence_offsets(hw
,
203 if (ret_val
!= IXGBE_SUCCESS
) {
204 ret_val
= IXGBE_ERR_SFP_NOT_SUPPORTED
;
217 * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx
218 * @hw: pointer to hardware structure
220 * Starts the hardware using the generic start_hw function.
221 * Disables relaxed ordering Then set pcie completion timeout
224 s32
ixgbe_start_hw_82598(struct ixgbe_hw
*hw
)
228 s32 ret_val
= IXGBE_SUCCESS
;
230 DEBUGFUNC("ixgbe_start_hw_82598");
232 ret_val
= ixgbe_start_hw_generic(hw
);
236 /* Disable relaxed ordering */
237 for (i
= 0; ((i
< hw
->mac
.max_tx_queues
) &&
238 (i
< IXGBE_DCA_MAX_QUEUES_82598
)); i
++) {
239 regval
= IXGBE_READ_REG(hw
, IXGBE_DCA_TXCTRL(i
));
240 regval
&= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN
;
241 IXGBE_WRITE_REG(hw
, IXGBE_DCA_TXCTRL(i
), regval
);
244 for (i
= 0; ((i
< hw
->mac
.max_rx_queues
) &&
245 (i
< IXGBE_DCA_MAX_QUEUES_82598
)); i
++) {
246 regval
= IXGBE_READ_REG(hw
, IXGBE_DCA_RXCTRL(i
));
247 regval
&= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN
|
248 IXGBE_DCA_RXCTRL_HEAD_WRO_EN
);
249 IXGBE_WRITE_REG(hw
, IXGBE_DCA_RXCTRL(i
), regval
);
252 /* set the completion timeout for interface */
253 ixgbe_set_pcie_completion_timeout(hw
);
259 * ixgbe_get_link_capabilities_82598 - Determines link capabilities
260 * @hw: pointer to hardware structure
261 * @speed: pointer to link speed
262 * @autoneg: boolean auto-negotiation value
264 * Determines the link capabilities by reading the AUTOC register.
266 STATIC s32
ixgbe_get_link_capabilities_82598(struct ixgbe_hw
*hw
,
267 ixgbe_link_speed
*speed
,
270 s32 status
= IXGBE_SUCCESS
;
273 DEBUGFUNC("ixgbe_get_link_capabilities_82598");
276 * Determine link capabilities based on the stored value of AUTOC,
277 * which represents EEPROM defaults. If AUTOC value has not been
278 * stored, use the current register value.
280 if (hw
->mac
.orig_link_settings_stored
)
281 autoc
= hw
->mac
.orig_autoc
;
283 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
285 switch (autoc
& IXGBE_AUTOC_LMS_MASK
) {
286 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN
:
287 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
291 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN
:
292 *speed
= IXGBE_LINK_SPEED_10GB_FULL
;
296 case IXGBE_AUTOC_LMS_1G_AN
:
297 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
301 case IXGBE_AUTOC_LMS_KX4_AN
:
302 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN
:
303 *speed
= IXGBE_LINK_SPEED_UNKNOWN
;
304 if (autoc
& IXGBE_AUTOC_KX4_SUPP
)
305 *speed
|= IXGBE_LINK_SPEED_10GB_FULL
;
306 if (autoc
& IXGBE_AUTOC_KX_SUPP
)
307 *speed
|= IXGBE_LINK_SPEED_1GB_FULL
;
312 status
= IXGBE_ERR_LINK_SETUP
;
320 * ixgbe_get_media_type_82598 - Determines media type
321 * @hw: pointer to hardware structure
323 * Returns the media type (fiber, copper, backplane)
325 STATIC
enum ixgbe_media_type
ixgbe_get_media_type_82598(struct ixgbe_hw
*hw
)
327 enum ixgbe_media_type media_type
;
329 DEBUGFUNC("ixgbe_get_media_type_82598");
331 /* Detect if there is a copper PHY attached. */
332 switch (hw
->phy
.type
) {
333 case ixgbe_phy_cu_unknown
:
335 media_type
= ixgbe_media_type_copper
;
341 /* Media type for I82598 is based on device ID */
342 switch (hw
->device_id
) {
343 case IXGBE_DEV_ID_82598
:
344 case IXGBE_DEV_ID_82598_BX
:
345 /* Default device ID is mezzanine card KX/KX4 */
346 media_type
= ixgbe_media_type_backplane
;
348 case IXGBE_DEV_ID_82598AF_DUAL_PORT
:
349 case IXGBE_DEV_ID_82598AF_SINGLE_PORT
:
350 case IXGBE_DEV_ID_82598_DA_DUAL_PORT
:
351 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM
:
352 case IXGBE_DEV_ID_82598EB_XF_LR
:
353 case IXGBE_DEV_ID_82598EB_SFP_LOM
:
354 media_type
= ixgbe_media_type_fiber
;
356 case IXGBE_DEV_ID_82598EB_CX4
:
357 case IXGBE_DEV_ID_82598_CX4_DUAL_PORT
:
358 media_type
= ixgbe_media_type_cx4
;
360 case IXGBE_DEV_ID_82598AT
:
361 case IXGBE_DEV_ID_82598AT2
:
362 media_type
= ixgbe_media_type_copper
;
365 media_type
= ixgbe_media_type_unknown
;
373 * ixgbe_fc_enable_82598 - Enable flow control
374 * @hw: pointer to hardware structure
376 * Enable flow control according to the current settings.
378 s32
ixgbe_fc_enable_82598(struct ixgbe_hw
*hw
)
380 s32 ret_val
= IXGBE_SUCCESS
;
389 DEBUGFUNC("ixgbe_fc_enable_82598");
391 /* Validate the water mark configuration */
392 if (!hw
->fc
.pause_time
) {
393 ret_val
= IXGBE_ERR_INVALID_LINK_SETTINGS
;
397 /* Low water mark of zero causes XOFF floods */
398 for (i
= 0; i
< IXGBE_DCB_MAX_TRAFFIC_CLASS
; i
++) {
399 if ((hw
->fc
.current_mode
& ixgbe_fc_tx_pause
) &&
400 hw
->fc
.high_water
[i
]) {
401 if (!hw
->fc
.low_water
[i
] ||
402 hw
->fc
.low_water
[i
] >= hw
->fc
.high_water
[i
]) {
403 DEBUGOUT("Invalid water mark configuration\n");
404 ret_val
= IXGBE_ERR_INVALID_LINK_SETTINGS
;
411 * On 82598 having Rx FC on causes resets while doing 1G
412 * so if it's on turn it off once we know link_speed. For
413 * more details see 82598 Specification update.
415 hw
->mac
.ops
.check_link(hw
, &link_speed
, &link_up
, false);
416 if (link_up
&& link_speed
== IXGBE_LINK_SPEED_1GB_FULL
) {
417 switch (hw
->fc
.requested_mode
) {
419 hw
->fc
.requested_mode
= ixgbe_fc_tx_pause
;
421 case ixgbe_fc_rx_pause
:
422 hw
->fc
.requested_mode
= ixgbe_fc_none
;
430 /* Negotiate the fc mode to use */
431 ixgbe_fc_autoneg(hw
);
433 /* Disable any previous flow control settings */
434 fctrl_reg
= IXGBE_READ_REG(hw
, IXGBE_FCTRL
);
435 fctrl_reg
&= ~(IXGBE_FCTRL_RFCE
| IXGBE_FCTRL_RPFCE
);
437 rmcs_reg
= IXGBE_READ_REG(hw
, IXGBE_RMCS
);
438 rmcs_reg
&= ~(IXGBE_RMCS_TFCE_PRIORITY
| IXGBE_RMCS_TFCE_802_3X
);
441 * The possible values of fc.current_mode are:
442 * 0: Flow control is completely disabled
443 * 1: Rx flow control is enabled (we can receive pause frames,
444 * but not send pause frames).
445 * 2: Tx flow control is enabled (we can send pause frames but
446 * we do not support receiving pause frames).
447 * 3: Both Rx and Tx flow control (symmetric) are enabled.
450 switch (hw
->fc
.current_mode
) {
453 * Flow control is disabled by software override or autoneg.
454 * The code below will actually disable it in the HW.
457 case ixgbe_fc_rx_pause
:
459 * Rx Flow control is enabled and Tx Flow control is
460 * disabled by software override. Since there really
461 * isn't a way to advertise that we are capable of RX
462 * Pause ONLY, we will advertise that we support both
463 * symmetric and asymmetric Rx PAUSE. Later, we will
464 * disable the adapter's ability to send PAUSE frames.
466 fctrl_reg
|= IXGBE_FCTRL_RFCE
;
468 case ixgbe_fc_tx_pause
:
470 * Tx Flow control is enabled, and Rx Flow control is
471 * disabled by software override.
473 rmcs_reg
|= IXGBE_RMCS_TFCE_802_3X
;
476 /* Flow control (both Rx and Tx) is enabled by SW override. */
477 fctrl_reg
|= IXGBE_FCTRL_RFCE
;
478 rmcs_reg
|= IXGBE_RMCS_TFCE_802_3X
;
481 DEBUGOUT("Flow control param set incorrectly\n");
482 ret_val
= IXGBE_ERR_CONFIG
;
487 /* Set 802.3x based flow control settings. */
488 fctrl_reg
|= IXGBE_FCTRL_DPF
;
489 IXGBE_WRITE_REG(hw
, IXGBE_FCTRL
, fctrl_reg
);
490 IXGBE_WRITE_REG(hw
, IXGBE_RMCS
, rmcs_reg
);
492 /* Set up and enable Rx high/low water mark thresholds, enable XON. */
493 for (i
= 0; i
< IXGBE_DCB_MAX_TRAFFIC_CLASS
; i
++) {
494 if ((hw
->fc
.current_mode
& ixgbe_fc_tx_pause
) &&
495 hw
->fc
.high_water
[i
]) {
496 fcrtl
= (hw
->fc
.low_water
[i
] << 10) | IXGBE_FCRTL_XONE
;
497 fcrth
= (hw
->fc
.high_water
[i
] << 10) | IXGBE_FCRTH_FCEN
;
498 IXGBE_WRITE_REG(hw
, IXGBE_FCRTL(i
), fcrtl
);
499 IXGBE_WRITE_REG(hw
, IXGBE_FCRTH(i
), fcrth
);
501 IXGBE_WRITE_REG(hw
, IXGBE_FCRTL(i
), 0);
502 IXGBE_WRITE_REG(hw
, IXGBE_FCRTH(i
), 0);
507 /* Configure pause time (2 TCs per register) */
508 reg
= hw
->fc
.pause_time
* 0x00010001;
509 for (i
= 0; i
< (IXGBE_DCB_MAX_TRAFFIC_CLASS
/ 2); i
++)
510 IXGBE_WRITE_REG(hw
, IXGBE_FCTTV(i
), reg
);
512 /* Configure flow control refresh threshold value */
513 IXGBE_WRITE_REG(hw
, IXGBE_FCRTV
, hw
->fc
.pause_time
/ 2);
520 * ixgbe_start_mac_link_82598 - Configures MAC link settings
521 * @hw: pointer to hardware structure
522 * @autoneg_wait_to_complete: true when waiting for completion is needed
524 * Configures link settings based on values in the ixgbe_hw struct.
525 * Restarts the link. Performs autonegotiation if needed.
527 STATIC s32
ixgbe_start_mac_link_82598(struct ixgbe_hw
*hw
,
528 bool autoneg_wait_to_complete
)
533 s32 status
= IXGBE_SUCCESS
;
535 DEBUGFUNC("ixgbe_start_mac_link_82598");
538 autoc_reg
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
539 autoc_reg
|= IXGBE_AUTOC_AN_RESTART
;
540 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, autoc_reg
);
542 /* Only poll for autoneg to complete if specified to do so */
543 if (autoneg_wait_to_complete
) {
544 if ((autoc_reg
& IXGBE_AUTOC_LMS_MASK
) ==
545 IXGBE_AUTOC_LMS_KX4_AN
||
546 (autoc_reg
& IXGBE_AUTOC_LMS_MASK
) ==
547 IXGBE_AUTOC_LMS_KX4_AN_1G_AN
) {
548 links_reg
= 0; /* Just in case Autoneg time = 0 */
549 for (i
= 0; i
< IXGBE_AUTO_NEG_TIME
; i
++) {
550 links_reg
= IXGBE_READ_REG(hw
, IXGBE_LINKS
);
551 if (links_reg
& IXGBE_LINKS_KX_AN_COMP
)
555 if (!(links_reg
& IXGBE_LINKS_KX_AN_COMP
)) {
556 status
= IXGBE_ERR_AUTONEG_NOT_COMPLETE
;
557 DEBUGOUT("Autonegotiation did not complete.\n");
562 /* Add delay to filter out noises during initial link setup */
569 * ixgbe_validate_link_ready - Function looks for phy link
570 * @hw: pointer to hardware structure
572 * Function indicates success when phy link is available. If phy is not ready
573 * within 5 seconds of MAC indicating link, the function returns error.
575 STATIC s32
ixgbe_validate_link_ready(struct ixgbe_hw
*hw
)
580 if (hw
->device_id
!= IXGBE_DEV_ID_82598AT2
)
581 return IXGBE_SUCCESS
;
584 timeout
< IXGBE_VALIDATE_LINK_READY_TIMEOUT
; timeout
++) {
585 hw
->phy
.ops
.read_reg(hw
, IXGBE_MDIO_AUTO_NEG_STATUS
,
586 IXGBE_MDIO_AUTO_NEG_DEV_TYPE
, &an_reg
);
588 if ((an_reg
& IXGBE_MII_AUTONEG_COMPLETE
) &&
589 (an_reg
& IXGBE_MII_AUTONEG_LINK_UP
))
595 if (timeout
== IXGBE_VALIDATE_LINK_READY_TIMEOUT
) {
596 DEBUGOUT("Link was indicated but link is down\n");
597 return IXGBE_ERR_LINK_SETUP
;
600 return IXGBE_SUCCESS
;
604 * ixgbe_check_mac_link_82598 - Get link/speed status
605 * @hw: pointer to hardware structure
606 * @speed: pointer to link speed
607 * @link_up: true is link is up, false otherwise
608 * @link_up_wait_to_complete: bool used to wait for link up or not
610 * Reads the links register to determine if link is up and the current speed
612 STATIC s32
ixgbe_check_mac_link_82598(struct ixgbe_hw
*hw
,
613 ixgbe_link_speed
*speed
, bool *link_up
,
614 bool link_up_wait_to_complete
)
618 u16 link_reg
, adapt_comp_reg
;
620 DEBUGFUNC("ixgbe_check_mac_link_82598");
623 * SERDES PHY requires us to read link status from undocumented
624 * register 0xC79F. Bit 0 set indicates link is up/ready; clear
625 * indicates link down. OxC00C is read to check that the XAUI lanes
626 * are active. Bit 0 clear indicates active; set indicates inactive.
628 if (hw
->phy
.type
== ixgbe_phy_nl
) {
629 hw
->phy
.ops
.read_reg(hw
, 0xC79F, IXGBE_TWINAX_DEV
, &link_reg
);
630 hw
->phy
.ops
.read_reg(hw
, 0xC79F, IXGBE_TWINAX_DEV
, &link_reg
);
631 hw
->phy
.ops
.read_reg(hw
, 0xC00C, IXGBE_TWINAX_DEV
,
633 if (link_up_wait_to_complete
) {
634 for (i
= 0; i
< hw
->mac
.max_link_up_time
; i
++) {
635 if ((link_reg
& 1) &&
636 ((adapt_comp_reg
& 1) == 0)) {
643 hw
->phy
.ops
.read_reg(hw
, 0xC79F,
646 hw
->phy
.ops
.read_reg(hw
, 0xC00C,
651 if ((link_reg
& 1) && ((adapt_comp_reg
& 1) == 0))
657 if (*link_up
== false)
661 links_reg
= IXGBE_READ_REG(hw
, IXGBE_LINKS
);
662 if (link_up_wait_to_complete
) {
663 for (i
= 0; i
< hw
->mac
.max_link_up_time
; i
++) {
664 if (links_reg
& IXGBE_LINKS_UP
) {
671 links_reg
= IXGBE_READ_REG(hw
, IXGBE_LINKS
);
674 if (links_reg
& IXGBE_LINKS_UP
)
680 if (links_reg
& IXGBE_LINKS_SPEED
)
681 *speed
= IXGBE_LINK_SPEED_10GB_FULL
;
683 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
685 if ((hw
->device_id
== IXGBE_DEV_ID_82598AT2
) && (*link_up
== true) &&
686 (ixgbe_validate_link_ready(hw
) != IXGBE_SUCCESS
))
690 return IXGBE_SUCCESS
;
694 * ixgbe_setup_mac_link_82598 - Set MAC link speed
695 * @hw: pointer to hardware structure
696 * @speed: new link speed
697 * @autoneg_wait_to_complete: true when waiting for completion is needed
699 * Set the link speed in the AUTOC register and restarts link.
701 STATIC s32
ixgbe_setup_mac_link_82598(struct ixgbe_hw
*hw
,
702 ixgbe_link_speed speed
,
703 bool autoneg_wait_to_complete
)
705 bool autoneg
= false;
706 s32 status
= IXGBE_SUCCESS
;
707 ixgbe_link_speed link_capabilities
= IXGBE_LINK_SPEED_UNKNOWN
;
708 u32 curr_autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
709 u32 autoc
= curr_autoc
;
710 u32 link_mode
= autoc
& IXGBE_AUTOC_LMS_MASK
;
712 DEBUGFUNC("ixgbe_setup_mac_link_82598");
714 /* Check to see if speed passed in is supported. */
715 ixgbe_get_link_capabilities(hw
, &link_capabilities
, &autoneg
);
716 speed
&= link_capabilities
;
718 if (speed
== IXGBE_LINK_SPEED_UNKNOWN
)
719 status
= IXGBE_ERR_LINK_SETUP
;
721 /* Set KX4/KX support according to speed requested */
722 else if (link_mode
== IXGBE_AUTOC_LMS_KX4_AN
||
723 link_mode
== IXGBE_AUTOC_LMS_KX4_AN_1G_AN
) {
724 autoc
&= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK
;
725 if (speed
& IXGBE_LINK_SPEED_10GB_FULL
)
726 autoc
|= IXGBE_AUTOC_KX4_SUPP
;
727 if (speed
& IXGBE_LINK_SPEED_1GB_FULL
)
728 autoc
|= IXGBE_AUTOC_KX_SUPP
;
729 if (autoc
!= curr_autoc
)
730 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, autoc
);
733 if (status
== IXGBE_SUCCESS
) {
735 * Setup and restart the link based on the new values in
736 * ixgbe_hw This will write the AUTOC register based on the new
739 status
= ixgbe_start_mac_link_82598(hw
,
740 autoneg_wait_to_complete
);
748 * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
749 * @hw: pointer to hardware structure
750 * @speed: new link speed
751 * @autoneg_wait_to_complete: true if waiting is needed to complete
753 * Sets the link speed in the AUTOC register in the MAC and restarts link.
755 STATIC s32
ixgbe_setup_copper_link_82598(struct ixgbe_hw
*hw
,
756 ixgbe_link_speed speed
,
757 bool autoneg_wait_to_complete
)
761 DEBUGFUNC("ixgbe_setup_copper_link_82598");
763 /* Setup the PHY according to input speed */
764 status
= hw
->phy
.ops
.setup_link_speed(hw
, speed
,
765 autoneg_wait_to_complete
);
767 ixgbe_start_mac_link_82598(hw
, autoneg_wait_to_complete
);
773 * ixgbe_reset_hw_82598 - Performs hardware reset
774 * @hw: pointer to hardware structure
776 * Resets the hardware by resetting the transmit and receive units, masks and
777 * clears all interrupts, performing a PHY reset, and performing a link (MAC)
780 STATIC s32
ixgbe_reset_hw_82598(struct ixgbe_hw
*hw
)
782 s32 status
= IXGBE_SUCCESS
;
783 s32 phy_status
= IXGBE_SUCCESS
;
790 DEBUGFUNC("ixgbe_reset_hw_82598");
792 /* Call adapter stop to disable tx/rx and clear interrupts */
793 status
= hw
->mac
.ops
.stop_adapter(hw
);
794 if (status
!= IXGBE_SUCCESS
)
798 * Power up the Atlas Tx lanes if they are currently powered down.
799 * Atlas Tx lanes are powered down for MAC loopback tests, but
800 * they are not automatically restored on reset.
802 hw
->mac
.ops
.read_analog_reg8(hw
, IXGBE_ATLAS_PDN_LPBK
, &analog_val
);
803 if (analog_val
& IXGBE_ATLAS_PDN_TX_REG_EN
) {
804 /* Enable Tx Atlas so packets can be transmitted again */
805 hw
->mac
.ops
.read_analog_reg8(hw
, IXGBE_ATLAS_PDN_LPBK
,
807 analog_val
&= ~IXGBE_ATLAS_PDN_TX_REG_EN
;
808 hw
->mac
.ops
.write_analog_reg8(hw
, IXGBE_ATLAS_PDN_LPBK
,
811 hw
->mac
.ops
.read_analog_reg8(hw
, IXGBE_ATLAS_PDN_10G
,
813 analog_val
&= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL
;
814 hw
->mac
.ops
.write_analog_reg8(hw
, IXGBE_ATLAS_PDN_10G
,
817 hw
->mac
.ops
.read_analog_reg8(hw
, IXGBE_ATLAS_PDN_1G
,
819 analog_val
&= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL
;
820 hw
->mac
.ops
.write_analog_reg8(hw
, IXGBE_ATLAS_PDN_1G
,
823 hw
->mac
.ops
.read_analog_reg8(hw
, IXGBE_ATLAS_PDN_AN
,
825 analog_val
&= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL
;
826 hw
->mac
.ops
.write_analog_reg8(hw
, IXGBE_ATLAS_PDN_AN
,
831 if (hw
->phy
.reset_disable
== false) {
832 /* PHY ops must be identified and initialized prior to reset */
834 /* Init PHY and function pointers, perform SFP setup */
835 phy_status
= hw
->phy
.ops
.init(hw
);
836 if (phy_status
== IXGBE_ERR_SFP_NOT_SUPPORTED
)
838 if (phy_status
== IXGBE_ERR_SFP_NOT_PRESENT
)
841 hw
->phy
.ops
.reset(hw
);
846 * Issue global reset to the MAC. This needs to be a SW reset.
847 * If link reset is used, it might reset the MAC when mng is using it
849 ctrl
= IXGBE_READ_REG(hw
, IXGBE_CTRL
) | IXGBE_CTRL_RST
;
850 IXGBE_WRITE_REG(hw
, IXGBE_CTRL
, ctrl
);
851 IXGBE_WRITE_FLUSH(hw
);
853 /* Poll for reset bit to self-clear indicating reset is complete */
854 for (i
= 0; i
< 10; i
++) {
856 ctrl
= IXGBE_READ_REG(hw
, IXGBE_CTRL
);
857 if (!(ctrl
& IXGBE_CTRL_RST
))
860 if (ctrl
& IXGBE_CTRL_RST
) {
861 status
= IXGBE_ERR_RESET_FAILED
;
862 DEBUGOUT("Reset polling failed to complete.\n");
868 * Double resets are required for recovery from certain error
869 * conditions. Between resets, it is necessary to stall to allow time
870 * for any pending HW events to complete.
872 if (hw
->mac
.flags
& IXGBE_FLAGS_DOUBLE_RESET_REQUIRED
) {
873 hw
->mac
.flags
&= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED
;
877 gheccr
= IXGBE_READ_REG(hw
, IXGBE_GHECCR
);
878 gheccr
&= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6));
879 IXGBE_WRITE_REG(hw
, IXGBE_GHECCR
, gheccr
);
882 * Store the original AUTOC value if it has not been
883 * stored off yet. Otherwise restore the stored original
884 * AUTOC value since the reset operation sets back to deaults.
886 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
887 if (hw
->mac
.orig_link_settings_stored
== false) {
888 hw
->mac
.orig_autoc
= autoc
;
889 hw
->mac
.orig_link_settings_stored
= true;
890 } else if (autoc
!= hw
->mac
.orig_autoc
) {
891 IXGBE_WRITE_REG(hw
, IXGBE_AUTOC
, hw
->mac
.orig_autoc
);
894 /* Store the permanent mac address */
895 hw
->mac
.ops
.get_mac_addr(hw
, hw
->mac
.perm_addr
);
898 * Store MAC address from RAR0, clear receive address registers, and
899 * clear the multicast table
901 hw
->mac
.ops
.init_rx_addrs(hw
);
904 if (phy_status
!= IXGBE_SUCCESS
)
911 * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address
912 * @hw: pointer to hardware struct
913 * @rar: receive address register index to associate with a VMDq index
914 * @vmdq: VMDq set index
916 s32
ixgbe_set_vmdq_82598(struct ixgbe_hw
*hw
, u32 rar
, u32 vmdq
)
919 u32 rar_entries
= hw
->mac
.num_rar_entries
;
921 DEBUGFUNC("ixgbe_set_vmdq_82598");
923 /* Make sure we are using a valid rar index range */
924 if (rar
>= rar_entries
) {
925 DEBUGOUT1("RAR index %d is out of range.\n", rar
);
926 return IXGBE_ERR_INVALID_ARGUMENT
;
929 rar_high
= IXGBE_READ_REG(hw
, IXGBE_RAH(rar
));
930 rar_high
&= ~IXGBE_RAH_VIND_MASK
;
931 rar_high
|= ((vmdq
<< IXGBE_RAH_VIND_SHIFT
) & IXGBE_RAH_VIND_MASK
);
932 IXGBE_WRITE_REG(hw
, IXGBE_RAH(rar
), rar_high
);
933 return IXGBE_SUCCESS
;
937 * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address
938 * @hw: pointer to hardware struct
939 * @rar: receive address register index to associate with a VMDq index
940 * @vmdq: VMDq clear index (not used in 82598, but elsewhere)
942 STATIC s32
ixgbe_clear_vmdq_82598(struct ixgbe_hw
*hw
, u32 rar
, u32 vmdq
)
945 u32 rar_entries
= hw
->mac
.num_rar_entries
;
947 UNREFERENCED_1PARAMETER(vmdq
);
949 /* Make sure we are using a valid rar index range */
950 if (rar
>= rar_entries
) {
951 DEBUGOUT1("RAR index %d is out of range.\n", rar
);
952 return IXGBE_ERR_INVALID_ARGUMENT
;
955 rar_high
= IXGBE_READ_REG(hw
, IXGBE_RAH(rar
));
956 if (rar_high
& IXGBE_RAH_VIND_MASK
) {
957 rar_high
&= ~IXGBE_RAH_VIND_MASK
;
958 IXGBE_WRITE_REG(hw
, IXGBE_RAH(rar
), rar_high
);
961 return IXGBE_SUCCESS
;
965 * ixgbe_set_vfta_82598 - Set VLAN filter table
966 * @hw: pointer to hardware structure
967 * @vlan: VLAN id to write to VLAN filter
968 * @vind: VMDq output index that maps queue to VLAN id in VFTA
969 * @vlan_on: boolean flag to turn on/off VLAN in VFTA
970 * @vlvf_bypass: boolean flag - unused
972 * Turn on/off specified VLAN in the VLAN filter table.
974 s32
ixgbe_set_vfta_82598(struct ixgbe_hw
*hw
, u32 vlan
, u32 vind
,
975 bool vlan_on
, bool vlvf_bypass
)
982 UNREFERENCED_1PARAMETER(vlvf_bypass
);
984 DEBUGFUNC("ixgbe_set_vfta_82598");
987 return IXGBE_ERR_PARAM
;
989 /* Determine 32-bit word position in array */
990 regindex
= (vlan
>> 5) & 0x7F; /* upper seven bits */
992 /* Determine the location of the (VMD) queue index */
993 vftabyte
= ((vlan
>> 3) & 0x03); /* bits (4:3) indicating byte array */
994 bitindex
= (vlan
& 0x7) << 2; /* lower 3 bits indicate nibble */
996 /* Set the nibble for VMD queue index */
997 bits
= IXGBE_READ_REG(hw
, IXGBE_VFTAVIND(vftabyte
, regindex
));
998 bits
&= (~(0x0F << bitindex
));
999 bits
|= (vind
<< bitindex
);
1000 IXGBE_WRITE_REG(hw
, IXGBE_VFTAVIND(vftabyte
, regindex
), bits
);
1002 /* Determine the location of the bit for this VLAN id */
1003 bitindex
= vlan
& 0x1F; /* lower five bits */
1005 bits
= IXGBE_READ_REG(hw
, IXGBE_VFTA(regindex
));
1007 /* Turn on this VLAN id */
1008 bits
|= (1 << bitindex
);
1010 /* Turn off this VLAN id */
1011 bits
&= ~(1 << bitindex
);
1012 IXGBE_WRITE_REG(hw
, IXGBE_VFTA(regindex
), bits
);
1014 return IXGBE_SUCCESS
;
1018 * ixgbe_clear_vfta_82598 - Clear VLAN filter table
1019 * @hw: pointer to hardware structure
1021 * Clears the VLAN filer table, and the VMDq index associated with the filter
1023 STATIC s32
ixgbe_clear_vfta_82598(struct ixgbe_hw
*hw
)
1028 DEBUGFUNC("ixgbe_clear_vfta_82598");
1030 for (offset
= 0; offset
< hw
->mac
.vft_size
; offset
++)
1031 IXGBE_WRITE_REG(hw
, IXGBE_VFTA(offset
), 0);
1033 for (vlanbyte
= 0; vlanbyte
< 4; vlanbyte
++)
1034 for (offset
= 0; offset
< hw
->mac
.vft_size
; offset
++)
1035 IXGBE_WRITE_REG(hw
, IXGBE_VFTAVIND(vlanbyte
, offset
),
1038 return IXGBE_SUCCESS
;
1042 * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register
1043 * @hw: pointer to hardware structure
1044 * @reg: analog register to read
1047 * Performs read operation to Atlas analog register specified.
1049 s32
ixgbe_read_analog_reg8_82598(struct ixgbe_hw
*hw
, u32 reg
, u8
*val
)
1053 DEBUGFUNC("ixgbe_read_analog_reg8_82598");
1055 IXGBE_WRITE_REG(hw
, IXGBE_ATLASCTL
,
1056 IXGBE_ATLASCTL_WRITE_CMD
| (reg
<< 8));
1057 IXGBE_WRITE_FLUSH(hw
);
1059 atlas_ctl
= IXGBE_READ_REG(hw
, IXGBE_ATLASCTL
);
1060 *val
= (u8
)atlas_ctl
;
1062 return IXGBE_SUCCESS
;
1066 * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register
1067 * @hw: pointer to hardware structure
1068 * @reg: atlas register to write
1069 * @val: value to write
1071 * Performs write operation to Atlas analog register specified.
1073 s32
ixgbe_write_analog_reg8_82598(struct ixgbe_hw
*hw
, u32 reg
, u8 val
)
1077 DEBUGFUNC("ixgbe_write_analog_reg8_82598");
1079 atlas_ctl
= (reg
<< 8) | val
;
1080 IXGBE_WRITE_REG(hw
, IXGBE_ATLASCTL
, atlas_ctl
);
1081 IXGBE_WRITE_FLUSH(hw
);
1084 return IXGBE_SUCCESS
;
1088 * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface.
1089 * @hw: pointer to hardware structure
1090 * @dev_addr: address to read from
1091 * @byte_offset: byte offset to read from dev_addr
1092 * @eeprom_data: value read
1094 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1096 STATIC s32
ixgbe_read_i2c_phy_82598(struct ixgbe_hw
*hw
, u8 dev_addr
,
1097 u8 byte_offset
, u8
*eeprom_data
)
1099 s32 status
= IXGBE_SUCCESS
;
1106 DEBUGFUNC("ixgbe_read_i2c_phy_82598");
1108 if (IXGBE_READ_REG(hw
, IXGBE_STATUS
) & IXGBE_STATUS_LAN_ID_1
)
1109 gssr
= IXGBE_GSSR_PHY1_SM
;
1111 gssr
= IXGBE_GSSR_PHY0_SM
;
1113 if (hw
->mac
.ops
.acquire_swfw_sync(hw
, gssr
) != IXGBE_SUCCESS
)
1114 return IXGBE_ERR_SWFW_SYNC
;
1116 if (hw
->phy
.type
== ixgbe_phy_nl
) {
1118 * NetLogic phy SDA/SCL registers are at addresses 0xC30A to
1119 * 0xC30D. These registers are used to talk to the SFP+
1120 * module's EEPROM through the SDA/SCL (I2C) interface.
1122 sfp_addr
= (dev_addr
<< 8) + byte_offset
;
1123 sfp_addr
= (sfp_addr
| IXGBE_I2C_EEPROM_READ_MASK
);
1124 hw
->phy
.ops
.write_reg_mdi(hw
,
1125 IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR
,
1126 IXGBE_MDIO_PMA_PMD_DEV_TYPE
,
1130 for (i
= 0; i
< 100; i
++) {
1131 hw
->phy
.ops
.read_reg_mdi(hw
,
1132 IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT
,
1133 IXGBE_MDIO_PMA_PMD_DEV_TYPE
,
1135 sfp_stat
= sfp_stat
& IXGBE_I2C_EEPROM_STATUS_MASK
;
1136 if (sfp_stat
!= IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS
)
1141 if (sfp_stat
!= IXGBE_I2C_EEPROM_STATUS_PASS
) {
1142 DEBUGOUT("EEPROM read did not pass.\n");
1143 status
= IXGBE_ERR_SFP_NOT_PRESENT
;
1148 hw
->phy
.ops
.read_reg_mdi(hw
, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA
,
1149 IXGBE_MDIO_PMA_PMD_DEV_TYPE
, &sfp_data
);
1151 *eeprom_data
= (u8
)(sfp_data
>> 8);
1153 status
= IXGBE_ERR_PHY
;
1157 hw
->mac
.ops
.release_swfw_sync(hw
, gssr
);
1162 * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface.
1163 * @hw: pointer to hardware structure
1164 * @byte_offset: EEPROM byte offset to read
1165 * @eeprom_data: value read
1167 * Performs 8 byte read operation to SFP module's EEPROM over I2C interface.
1169 s32
ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw
*hw
, u8 byte_offset
,
1172 return ixgbe_read_i2c_phy_82598(hw
, IXGBE_I2C_EEPROM_DEV_ADDR
,
1173 byte_offset
, eeprom_data
);
1177 * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface.
1178 * @hw: pointer to hardware structure
1179 * @byte_offset: byte offset at address 0xA2
1180 * @sff8472_data: value read
1182 * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C
1184 STATIC s32
ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw
*hw
, u8 byte_offset
,
1187 return ixgbe_read_i2c_phy_82598(hw
, IXGBE_I2C_EEPROM_DEV_ADDR2
,
1188 byte_offset
, sff8472_data
);
1192 * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type
1193 * @hw: pointer to hardware structure
1195 * Determines physical layer capabilities of the current configuration.
1197 u64
ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw
*hw
)
1199 u64 physical_layer
= IXGBE_PHYSICAL_LAYER_UNKNOWN
;
1200 u32 autoc
= IXGBE_READ_REG(hw
, IXGBE_AUTOC
);
1201 u32 pma_pmd_10g
= autoc
& IXGBE_AUTOC_10G_PMA_PMD_MASK
;
1202 u32 pma_pmd_1g
= autoc
& IXGBE_AUTOC_1G_PMA_PMD_MASK
;
1203 u16 ext_ability
= 0;
1205 DEBUGFUNC("ixgbe_get_supported_physical_layer_82598");
1207 hw
->phy
.ops
.identify(hw
);
1209 /* Copper PHY must be checked before AUTOC LMS to determine correct
1210 * physical layer because 10GBase-T PHYs use LMS = KX4/KX */
1211 switch (hw
->phy
.type
) {
1213 case ixgbe_phy_cu_unknown
:
1214 hw
->phy
.ops
.read_reg(hw
, IXGBE_MDIO_PHY_EXT_ABILITY
,
1215 IXGBE_MDIO_PMA_PMD_DEV_TYPE
, &ext_ability
);
1216 if (ext_ability
& IXGBE_MDIO_PHY_10GBASET_ABILITY
)
1217 physical_layer
|= IXGBE_PHYSICAL_LAYER_10GBASE_T
;
1218 if (ext_ability
& IXGBE_MDIO_PHY_1000BASET_ABILITY
)
1219 physical_layer
|= IXGBE_PHYSICAL_LAYER_1000BASE_T
;
1220 if (ext_ability
& IXGBE_MDIO_PHY_100BASETX_ABILITY
)
1221 physical_layer
|= IXGBE_PHYSICAL_LAYER_100BASE_TX
;
1227 switch (autoc
& IXGBE_AUTOC_LMS_MASK
) {
1228 case IXGBE_AUTOC_LMS_1G_AN
:
1229 case IXGBE_AUTOC_LMS_1G_LINK_NO_AN
:
1230 if (pma_pmd_1g
== IXGBE_AUTOC_1G_KX
)
1231 physical_layer
= IXGBE_PHYSICAL_LAYER_1000BASE_KX
;
1233 physical_layer
= IXGBE_PHYSICAL_LAYER_1000BASE_BX
;
1235 case IXGBE_AUTOC_LMS_10G_LINK_NO_AN
:
1236 if (pma_pmd_10g
== IXGBE_AUTOC_10G_CX4
)
1237 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_CX4
;
1238 else if (pma_pmd_10g
== IXGBE_AUTOC_10G_KX4
)
1239 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_KX4
;
1241 physical_layer
= IXGBE_PHYSICAL_LAYER_UNKNOWN
;
1243 case IXGBE_AUTOC_LMS_KX4_AN
:
1244 case IXGBE_AUTOC_LMS_KX4_AN_1G_AN
:
1245 if (autoc
& IXGBE_AUTOC_KX_SUPP
)
1246 physical_layer
|= IXGBE_PHYSICAL_LAYER_1000BASE_KX
;
1247 if (autoc
& IXGBE_AUTOC_KX4_SUPP
)
1248 physical_layer
|= IXGBE_PHYSICAL_LAYER_10GBASE_KX4
;
1254 if (hw
->phy
.type
== ixgbe_phy_nl
) {
1255 hw
->phy
.ops
.identify_sfp(hw
);
1257 switch (hw
->phy
.sfp_type
) {
1258 case ixgbe_sfp_type_da_cu
:
1259 physical_layer
= IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU
;
1261 case ixgbe_sfp_type_sr
:
1262 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_SR
;
1264 case ixgbe_sfp_type_lr
:
1265 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_LR
;
1268 physical_layer
= IXGBE_PHYSICAL_LAYER_UNKNOWN
;
1273 switch (hw
->device_id
) {
1274 case IXGBE_DEV_ID_82598_DA_DUAL_PORT
:
1275 physical_layer
= IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU
;
1277 case IXGBE_DEV_ID_82598AF_DUAL_PORT
:
1278 case IXGBE_DEV_ID_82598AF_SINGLE_PORT
:
1279 case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM
:
1280 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_SR
;
1282 case IXGBE_DEV_ID_82598EB_XF_LR
:
1283 physical_layer
= IXGBE_PHYSICAL_LAYER_10GBASE_LR
;
1290 return physical_layer
;
1294 * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple
1296 * @hw: pointer to the HW structure
1298 * Calls common function and corrects issue with some single port devices
1299 * that enable LAN1 but not LAN0.
1301 void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw
*hw
)
1303 struct ixgbe_bus_info
*bus
= &hw
->bus
;
1307 DEBUGFUNC("ixgbe_set_lan_id_multi_port_pcie_82598");
1309 ixgbe_set_lan_id_multi_port_pcie(hw
);
1311 /* check if LAN0 is disabled */
1312 hw
->eeprom
.ops
.read(hw
, IXGBE_PCIE_GENERAL_PTR
, &pci_gen
);
1313 if ((pci_gen
!= 0) && (pci_gen
!= 0xFFFF)) {
1315 hw
->eeprom
.ops
.read(hw
, pci_gen
+ IXGBE_PCIE_CTRL2
, &pci_ctrl2
);
1317 /* if LAN0 is completely disabled force function to 0 */
1318 if ((pci_ctrl2
& IXGBE_PCIE_CTRL2_LAN_DISABLE
) &&
1319 !(pci_ctrl2
& IXGBE_PCIE_CTRL2_DISABLE_SELECT
) &&
1320 !(pci_ctrl2
& IXGBE_PCIE_CTRL2_DUMMY_ENABLE
)) {
1328 * ixgbe_enable_relaxed_ordering_82598 - enable relaxed ordering
1329 * @hw: pointer to hardware structure
1332 void ixgbe_enable_relaxed_ordering_82598(struct ixgbe_hw
*hw
)
1337 DEBUGFUNC("ixgbe_enable_relaxed_ordering_82598");
1339 /* Enable relaxed ordering */
1340 for (i
= 0; ((i
< hw
->mac
.max_tx_queues
) &&
1341 (i
< IXGBE_DCA_MAX_QUEUES_82598
)); i
++) {
1342 regval
= IXGBE_READ_REG(hw
, IXGBE_DCA_TXCTRL(i
));
1343 regval
|= IXGBE_DCA_TXCTRL_DESC_WRO_EN
;
1344 IXGBE_WRITE_REG(hw
, IXGBE_DCA_TXCTRL(i
), regval
);
1347 for (i
= 0; ((i
< hw
->mac
.max_rx_queues
) &&
1348 (i
< IXGBE_DCA_MAX_QUEUES_82598
)); i
++) {
1349 regval
= IXGBE_READ_REG(hw
, IXGBE_DCA_RXCTRL(i
));
1350 regval
|= IXGBE_DCA_RXCTRL_DATA_WRO_EN
|
1351 IXGBE_DCA_RXCTRL_HEAD_WRO_EN
;
1352 IXGBE_WRITE_REG(hw
, IXGBE_DCA_RXCTRL(i
), regval
);
1358 * ixgbe_set_rxpba_82598 - Initialize RX packet buffer
1359 * @hw: pointer to hardware structure
1360 * @num_pb: number of packet buffers to allocate
1361 * @headroom: reserve n KB of headroom
1362 * @strategy: packet buffer allocation strategy
1364 STATIC
void ixgbe_set_rxpba_82598(struct ixgbe_hw
*hw
, int num_pb
,
1365 u32 headroom
, int strategy
)
1367 u32 rxpktsize
= IXGBE_RXPBSIZE_64KB
;
1369 UNREFERENCED_1PARAMETER(headroom
);
1374 /* Setup Rx packet buffer sizes */
1376 case PBA_STRATEGY_WEIGHTED
:
1377 /* Setup the first four at 80KB */
1378 rxpktsize
= IXGBE_RXPBSIZE_80KB
;
1380 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(i
), rxpktsize
);
1381 /* Setup the last four at 48KB...don't re-init i */
1382 rxpktsize
= IXGBE_RXPBSIZE_48KB
;
1384 case PBA_STRATEGY_EQUAL
:
1386 /* Divide the remaining Rx packet buffer evenly among the TCs */
1387 for (; i
< IXGBE_MAX_PACKET_BUFFERS
; i
++)
1388 IXGBE_WRITE_REG(hw
, IXGBE_RXPBSIZE(i
), rxpktsize
);
1392 /* Setup Tx packet buffer sizes */
1393 for (i
= 0; i
< IXGBE_MAX_PACKET_BUFFERS
; i
++)
1394 IXGBE_WRITE_REG(hw
, IXGBE_TXPBSIZE(i
), IXGBE_TXPBSIZE_40KB
);
1398 * ixgbe_enable_rx_dma_82598 - Enable the Rx DMA unit
1399 * @hw: pointer to hardware structure
1400 * @regval: register value to write to RXCTRL
1402 * Enables the Rx DMA unit
1404 s32
ixgbe_enable_rx_dma_82598(struct ixgbe_hw
*hw
, u32 regval
)
1406 DEBUGFUNC("ixgbe_enable_rx_dma_82598");
1408 IXGBE_WRITE_REG(hw
, IXGBE_RXCTRL
, regval
);
1410 return IXGBE_SUCCESS
;