1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 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
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 ******************************************************************************/
29 /*********************notification routines***********************/
32 * i40e_vc_vf_broadcast
33 * @pf: pointer to the PF structure
34 * @opcode: operation code
35 * @retval: return value
36 * @msg: pointer to the msg buffer
39 * send a message to all VFs on a given PF
41 static void i40e_vc_vf_broadcast(struct i40e_pf
*pf
,
42 enum i40e_virtchnl_ops v_opcode
,
43 i40e_status v_retval
, u8
*msg
,
46 struct i40e_hw
*hw
= &pf
->hw
;
47 struct i40e_vf
*vf
= pf
->vf
;
50 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++, vf
++) {
51 int abs_vf_id
= vf
->vf_id
+ (int)hw
->func_caps
.vf_base_id
;
52 /* Not all vfs are enabled so skip the ones that are not */
53 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
) &&
54 !test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
57 /* Ignore return value on purpose - a given VF may fail, but
58 * we need to keep going and send to all of them
60 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, v_opcode
, v_retval
,
66 * i40e_vc_notify_vf_link_state
67 * @vf: pointer to the VF structure
69 * send a link status message to a single VF
71 static void i40e_vc_notify_vf_link_state(struct i40e_vf
*vf
)
73 struct i40e_virtchnl_pf_event pfe
;
74 struct i40e_pf
*pf
= vf
->pf
;
75 struct i40e_hw
*hw
= &pf
->hw
;
76 struct i40e_link_status
*ls
= &pf
->hw
.phy
.link_info
;
77 int abs_vf_id
= vf
->vf_id
+ (int)hw
->func_caps
.vf_base_id
;
79 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
80 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
81 if (vf
->link_forced
) {
82 pfe
.event_data
.link_event
.link_status
= vf
->link_up
;
83 pfe
.event_data
.link_event
.link_speed
=
84 (vf
->link_up
? I40E_LINK_SPEED_40GB
: 0);
86 pfe
.event_data
.link_event
.link_status
=
87 ls
->link_info
& I40E_AQ_LINK_UP
;
88 pfe
.event_data
.link_event
.link_speed
= ls
->link_speed
;
90 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
91 0, (u8
*)&pfe
, sizeof(pfe
), NULL
);
95 * i40e_vc_notify_link_state
96 * @pf: pointer to the PF structure
98 * send a link status message to all VFs on a given PF
100 void i40e_vc_notify_link_state(struct i40e_pf
*pf
)
104 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
105 i40e_vc_notify_vf_link_state(&pf
->vf
[i
]);
109 * i40e_vc_notify_reset
110 * @pf: pointer to the PF structure
112 * indicate a pending reset to all VFs on a given PF
114 void i40e_vc_notify_reset(struct i40e_pf
*pf
)
116 struct i40e_virtchnl_pf_event pfe
;
118 pfe
.event
= I40E_VIRTCHNL_EVENT_RESET_IMPENDING
;
119 pfe
.severity
= I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM
;
120 i40e_vc_vf_broadcast(pf
, I40E_VIRTCHNL_OP_EVENT
, 0,
121 (u8
*)&pfe
, sizeof(struct i40e_virtchnl_pf_event
));
125 * i40e_vc_notify_vf_reset
126 * @vf: pointer to the VF structure
128 * indicate a pending reset to the given VF
130 void i40e_vc_notify_vf_reset(struct i40e_vf
*vf
)
132 struct i40e_virtchnl_pf_event pfe
;
135 /* validate the request */
136 if (!vf
|| vf
->vf_id
>= vf
->pf
->num_alloc_vfs
)
139 /* verify if the VF is in either init or active before proceeding */
140 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
) &&
141 !test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
144 abs_vf_id
= vf
->vf_id
+ (int)vf
->pf
->hw
.func_caps
.vf_base_id
;
146 pfe
.event
= I40E_VIRTCHNL_EVENT_RESET_IMPENDING
;
147 pfe
.severity
= I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM
;
148 i40e_aq_send_msg_to_vf(&vf
->pf
->hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
150 sizeof(struct i40e_virtchnl_pf_event
), NULL
);
152 /***********************misc routines*****************************/
156 * @pf: pointer to the PF info
157 * @vf: pointer to the VF info
159 * Disable the VF through a SW reset
161 static inline void i40e_vc_disable_vf(struct i40e_pf
*pf
, struct i40e_vf
*vf
)
163 i40e_vc_notify_vf_reset(vf
);
164 i40e_reset_vf(vf
, false);
168 * i40e_vc_isvalid_vsi_id
169 * @vf: pointer to the VF info
170 * @vsi_id: VF relative VSI id
172 * check for the valid VSI id
174 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf
*vf
, u16 vsi_id
)
176 struct i40e_pf
*pf
= vf
->pf
;
177 struct i40e_vsi
*vsi
= i40e_find_vsi_from_id(pf
, vsi_id
);
179 return (vsi
&& (vsi
->vf_id
== vf
->vf_id
));
183 * i40e_vc_isvalid_queue_id
184 * @vf: pointer to the VF info
186 * @qid: vsi relative queue id
188 * check for the valid queue id
190 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf
*vf
, u16 vsi_id
,
193 struct i40e_pf
*pf
= vf
->pf
;
194 struct i40e_vsi
*vsi
= i40e_find_vsi_from_id(pf
, vsi_id
);
196 return (vsi
&& (qid
< vsi
->alloc_queue_pairs
));
200 * i40e_vc_isvalid_vector_id
201 * @vf: pointer to the VF info
202 * @vector_id: VF relative vector id
204 * check for the valid vector id
206 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf
*vf
, u8 vector_id
)
208 struct i40e_pf
*pf
= vf
->pf
;
210 return vector_id
< pf
->hw
.func_caps
.num_msix_vectors_vf
;
213 /***********************vf resource mgmt routines*****************/
216 * i40e_vc_get_pf_queue_id
217 * @vf: pointer to the VF info
218 * @vsi_id: id of VSI as provided by the FW
219 * @vsi_queue_id: vsi relative queue id
221 * return PF relative queue id
223 static u16
i40e_vc_get_pf_queue_id(struct i40e_vf
*vf
, u16 vsi_id
,
226 struct i40e_pf
*pf
= vf
->pf
;
227 struct i40e_vsi
*vsi
= i40e_find_vsi_from_id(pf
, vsi_id
);
228 u16 pf_queue_id
= I40E_QUEUE_END_OF_LIST
;
233 if (le16_to_cpu(vsi
->info
.mapping_flags
) &
234 I40E_AQ_VSI_QUE_MAP_NONCONTIG
)
236 le16_to_cpu(vsi
->info
.queue_mapping
[vsi_queue_id
]);
238 pf_queue_id
= le16_to_cpu(vsi
->info
.queue_mapping
[0]) +
245 * i40e_config_irq_link_list
246 * @vf: pointer to the VF info
247 * @vsi_id: id of VSI as given by the FW
248 * @vecmap: irq map info
250 * configure irq link list from the map
252 static void i40e_config_irq_link_list(struct i40e_vf
*vf
, u16 vsi_id
,
253 struct i40e_virtchnl_vector_map
*vecmap
)
255 unsigned long linklistmap
= 0, tempmap
;
256 struct i40e_pf
*pf
= vf
->pf
;
257 struct i40e_hw
*hw
= &pf
->hw
;
258 u16 vsi_queue_id
, pf_queue_id
;
259 enum i40e_queue_type qtype
;
260 u16 next_q
, vector_id
;
264 vector_id
= vecmap
->vector_id
;
267 reg_idx
= I40E_VPINT_LNKLST0(vf
->vf_id
);
269 reg_idx
= I40E_VPINT_LNKLSTN(
270 ((pf
->hw
.func_caps
.num_msix_vectors_vf
- 1) * vf
->vf_id
) +
273 if (vecmap
->rxq_map
== 0 && vecmap
->txq_map
== 0) {
274 /* Special case - No queues mapped on this vector */
275 wr32(hw
, reg_idx
, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK
);
278 tempmap
= vecmap
->rxq_map
;
279 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
280 linklistmap
|= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES
*
284 tempmap
= vecmap
->txq_map
;
285 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
286 linklistmap
|= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES
*
290 next_q
= find_first_bit(&linklistmap
,
292 I40E_VIRTCHNL_SUPPORTED_QTYPES
));
293 vsi_queue_id
= next_q
/ I40E_VIRTCHNL_SUPPORTED_QTYPES
;
294 qtype
= next_q
% I40E_VIRTCHNL_SUPPORTED_QTYPES
;
295 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
, vsi_queue_id
);
296 reg
= ((qtype
<< I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT
) | pf_queue_id
);
298 wr32(hw
, reg_idx
, reg
);
300 while (next_q
< (I40E_MAX_VSI_QP
* I40E_VIRTCHNL_SUPPORTED_QTYPES
)) {
302 case I40E_QUEUE_TYPE_RX
:
303 reg_idx
= I40E_QINT_RQCTL(pf_queue_id
);
304 itr_idx
= vecmap
->rxitr_idx
;
306 case I40E_QUEUE_TYPE_TX
:
307 reg_idx
= I40E_QINT_TQCTL(pf_queue_id
);
308 itr_idx
= vecmap
->txitr_idx
;
314 next_q
= find_next_bit(&linklistmap
,
316 I40E_VIRTCHNL_SUPPORTED_QTYPES
),
319 (I40E_MAX_VSI_QP
* I40E_VIRTCHNL_SUPPORTED_QTYPES
)) {
320 vsi_queue_id
= next_q
/ I40E_VIRTCHNL_SUPPORTED_QTYPES
;
321 qtype
= next_q
% I40E_VIRTCHNL_SUPPORTED_QTYPES
;
322 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
,
325 pf_queue_id
= I40E_QUEUE_END_OF_LIST
;
329 /* format for the RQCTL & TQCTL regs is same */
331 (qtype
<< I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT
) |
332 (pf_queue_id
<< I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT
) |
333 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT
) |
334 (itr_idx
<< I40E_QINT_RQCTL_ITR_INDX_SHIFT
);
335 wr32(hw
, reg_idx
, reg
);
338 /* if the vf is running in polling mode and using interrupt zero,
339 * need to disable auto-mask on enabling zero interrupt for VFs.
341 if ((vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING
) &&
343 reg
= rd32(hw
, I40E_GLINT_CTL
);
344 if (!(reg
& I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK
)) {
345 reg
|= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK
;
346 wr32(hw
, I40E_GLINT_CTL
, reg
);
355 * i40e_release_iwarp_qvlist
356 * @vf: pointer to the VF.
359 static void i40e_release_iwarp_qvlist(struct i40e_vf
*vf
)
361 struct i40e_pf
*pf
= vf
->pf
;
362 struct i40e_virtchnl_iwarp_qvlist_info
*qvlist_info
= vf
->qvlist_info
;
366 if (!vf
->qvlist_info
)
369 msix_vf
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
370 for (i
= 0; i
< qvlist_info
->num_vectors
; i
++) {
371 struct i40e_virtchnl_iwarp_qv_info
*qv_info
;
372 u32 next_q_index
, next_q_type
;
373 struct i40e_hw
*hw
= &pf
->hw
;
374 u32 v_idx
, reg_idx
, reg
;
376 qv_info
= &qvlist_info
->qv_info
[i
];
379 v_idx
= qv_info
->v_idx
;
380 if (qv_info
->ceq_idx
!= I40E_QUEUE_INVALID_IDX
) {
381 /* Figure out the queue after CEQ and make that the
384 reg_idx
= (msix_vf
- 1) * vf
->vf_id
+ qv_info
->ceq_idx
;
385 reg
= rd32(hw
, I40E_VPINT_CEQCTL(reg_idx
));
386 next_q_index
= (reg
& I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK
)
387 >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT
;
388 next_q_type
= (reg
& I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK
)
389 >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT
;
391 reg_idx
= ((msix_vf
- 1) * vf
->vf_id
) + (v_idx
- 1);
392 reg
= (next_q_index
&
393 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
) |
395 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT
);
397 wr32(hw
, I40E_VPINT_LNKLSTN(reg_idx
), reg
);
400 kfree(vf
->qvlist_info
);
401 vf
->qvlist_info
= NULL
;
405 * i40e_config_iwarp_qvlist
406 * @vf: pointer to the VF info
407 * @qvlist_info: queue and vector list
409 * Return 0 on success or < 0 on error
411 static int i40e_config_iwarp_qvlist(struct i40e_vf
*vf
,
412 struct i40e_virtchnl_iwarp_qvlist_info
*qvlist_info
)
414 struct i40e_pf
*pf
= vf
->pf
;
415 struct i40e_hw
*hw
= &pf
->hw
;
416 struct i40e_virtchnl_iwarp_qv_info
*qv_info
;
417 u32 v_idx
, i
, reg_idx
, reg
;
418 u32 next_q_idx
, next_q_type
;
421 size
= sizeof(struct i40e_virtchnl_iwarp_qvlist_info
) +
422 (sizeof(struct i40e_virtchnl_iwarp_qv_info
) *
423 (qvlist_info
->num_vectors
- 1));
424 vf
->qvlist_info
= kzalloc(size
, GFP_KERNEL
);
425 vf
->qvlist_info
->num_vectors
= qvlist_info
->num_vectors
;
427 msix_vf
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
428 for (i
= 0; i
< qvlist_info
->num_vectors
; i
++) {
429 qv_info
= &qvlist_info
->qv_info
[i
];
432 v_idx
= qv_info
->v_idx
;
434 /* Validate vector id belongs to this vf */
435 if (!i40e_vc_isvalid_vector_id(vf
, v_idx
))
438 vf
->qvlist_info
->qv_info
[i
] = *qv_info
;
440 reg_idx
= ((msix_vf
- 1) * vf
->vf_id
) + (v_idx
- 1);
441 /* We might be sharing the interrupt, so get the first queue
442 * index and type, push it down the list by adding the new
443 * queue on top. Also link it with the new queue in CEQCTL.
445 reg
= rd32(hw
, I40E_VPINT_LNKLSTN(reg_idx
));
446 next_q_idx
= ((reg
& I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
) >>
447 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT
);
448 next_q_type
= ((reg
& I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK
) >>
449 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT
);
451 if (qv_info
->ceq_idx
!= I40E_QUEUE_INVALID_IDX
) {
452 reg_idx
= (msix_vf
- 1) * vf
->vf_id
+ qv_info
->ceq_idx
;
453 reg
= (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK
|
454 (v_idx
<< I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT
) |
455 (qv_info
->itr_idx
<< I40E_VPINT_CEQCTL_ITR_INDX_SHIFT
) |
456 (next_q_type
<< I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT
) |
457 (next_q_idx
<< I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT
));
458 wr32(hw
, I40E_VPINT_CEQCTL(reg_idx
), reg
);
460 reg_idx
= ((msix_vf
- 1) * vf
->vf_id
) + (v_idx
- 1);
461 reg
= (qv_info
->ceq_idx
&
462 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
) |
463 (I40E_QUEUE_TYPE_PE_CEQ
<<
464 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT
);
465 wr32(hw
, I40E_VPINT_LNKLSTN(reg_idx
), reg
);
468 if (qv_info
->aeq_idx
!= I40E_QUEUE_INVALID_IDX
) {
469 reg
= (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK
|
470 (v_idx
<< I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT
) |
471 (qv_info
->itr_idx
<< I40E_VPINT_AEQCTL_ITR_INDX_SHIFT
));
473 wr32(hw
, I40E_VPINT_AEQCTL(vf
->vf_id
), reg
);
479 kfree(vf
->qvlist_info
);
480 vf
->qvlist_info
= NULL
;
485 * i40e_config_vsi_tx_queue
486 * @vf: pointer to the VF info
487 * @vsi_id: id of VSI as provided by the FW
488 * @vsi_queue_id: vsi relative queue index
489 * @info: config. info
493 static int i40e_config_vsi_tx_queue(struct i40e_vf
*vf
, u16 vsi_id
,
495 struct i40e_virtchnl_txq_info
*info
)
497 struct i40e_pf
*pf
= vf
->pf
;
498 struct i40e_hw
*hw
= &pf
->hw
;
499 struct i40e_hmc_obj_txq tx_ctx
;
500 struct i40e_vsi
*vsi
;
505 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
, vsi_queue_id
);
506 vsi
= i40e_find_vsi_from_id(pf
, vsi_id
);
508 /* clear the context structure first */
509 memset(&tx_ctx
, 0, sizeof(struct i40e_hmc_obj_txq
));
511 /* only set the required fields */
512 tx_ctx
.base
= info
->dma_ring_addr
/ 128;
513 tx_ctx
.qlen
= info
->ring_len
;
514 tx_ctx
.rdylist
= le16_to_cpu(vsi
->info
.qs_handle
[0]);
515 tx_ctx
.rdylist_act
= 0;
516 tx_ctx
.head_wb_ena
= info
->headwb_enabled
;
517 tx_ctx
.head_wb_addr
= info
->dma_headwb_addr
;
519 /* clear the context in the HMC */
520 ret
= i40e_clear_lan_tx_queue_context(hw
, pf_queue_id
);
522 dev_err(&pf
->pdev
->dev
,
523 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
529 /* set the context in the HMC */
530 ret
= i40e_set_lan_tx_queue_context(hw
, pf_queue_id
, &tx_ctx
);
532 dev_err(&pf
->pdev
->dev
,
533 "Failed to set VF LAN Tx queue context %d error: %d\n",
539 /* associate this queue with the PCI VF function */
540 qtx_ctl
= I40E_QTX_CTL_VF_QUEUE
;
541 qtx_ctl
|= ((hw
->pf_id
<< I40E_QTX_CTL_PF_INDX_SHIFT
)
542 & I40E_QTX_CTL_PF_INDX_MASK
);
543 qtx_ctl
|= (((vf
->vf_id
+ hw
->func_caps
.vf_base_id
)
544 << I40E_QTX_CTL_VFVM_INDX_SHIFT
)
545 & I40E_QTX_CTL_VFVM_INDX_MASK
);
546 wr32(hw
, I40E_QTX_CTL(pf_queue_id
), qtx_ctl
);
554 * i40e_config_vsi_rx_queue
555 * @vf: pointer to the VF info
556 * @vsi_id: id of VSI as provided by the FW
557 * @vsi_queue_id: vsi relative queue index
558 * @info: config. info
562 static int i40e_config_vsi_rx_queue(struct i40e_vf
*vf
, u16 vsi_id
,
564 struct i40e_virtchnl_rxq_info
*info
)
566 struct i40e_pf
*pf
= vf
->pf
;
567 struct i40e_hw
*hw
= &pf
->hw
;
568 struct i40e_hmc_obj_rxq rx_ctx
;
572 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
, vsi_queue_id
);
574 /* clear the context structure first */
575 memset(&rx_ctx
, 0, sizeof(struct i40e_hmc_obj_rxq
));
577 /* only set the required fields */
578 rx_ctx
.base
= info
->dma_ring_addr
/ 128;
579 rx_ctx
.qlen
= info
->ring_len
;
581 if (info
->splithdr_enabled
) {
582 rx_ctx
.hsplit_0
= I40E_RX_SPLIT_L2
|
584 I40E_RX_SPLIT_TCP_UDP
|
586 /* header length validation */
587 if (info
->hdr_size
> ((2 * 1024) - 64)) {
591 rx_ctx
.hbuff
= info
->hdr_size
>> I40E_RXQ_CTX_HBUFF_SHIFT
;
593 /* set split mode 10b */
594 rx_ctx
.dtype
= I40E_RX_DTYPE_HEADER_SPLIT
;
597 /* databuffer length validation */
598 if (info
->databuffer_size
> ((16 * 1024) - 128)) {
602 rx_ctx
.dbuff
= info
->databuffer_size
>> I40E_RXQ_CTX_DBUFF_SHIFT
;
604 /* max pkt. length validation */
605 if (info
->max_pkt_size
>= (16 * 1024) || info
->max_pkt_size
< 64) {
609 rx_ctx
.rxmax
= info
->max_pkt_size
;
611 /* enable 32bytes desc always */
615 rx_ctx
.lrxqthresh
= 2;
620 /* clear the context in the HMC */
621 ret
= i40e_clear_lan_rx_queue_context(hw
, pf_queue_id
);
623 dev_err(&pf
->pdev
->dev
,
624 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
630 /* set the context in the HMC */
631 ret
= i40e_set_lan_rx_queue_context(hw
, pf_queue_id
, &rx_ctx
);
633 dev_err(&pf
->pdev
->dev
,
634 "Failed to set VF LAN Rx queue context %d error: %d\n",
646 * @vf: pointer to the VF info
647 * @type: type of VSI to allocate
649 * alloc VF vsi context & resources
651 static int i40e_alloc_vsi_res(struct i40e_vf
*vf
, enum i40e_vsi_type type
)
653 struct i40e_mac_filter
*f
= NULL
;
654 struct i40e_pf
*pf
= vf
->pf
;
655 struct i40e_vsi
*vsi
;
658 vsi
= i40e_vsi_setup(pf
, type
, pf
->vsi
[pf
->lan_vsi
]->seid
, vf
->vf_id
);
661 dev_err(&pf
->pdev
->dev
,
662 "add vsi failed for VF %d, aq_err %d\n",
663 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
665 goto error_alloc_vsi_res
;
667 if (type
== I40E_VSI_SRIOV
) {
668 u64 hena
= i40e_pf_get_default_rss_hena(pf
);
670 vf
->lan_vsi_idx
= vsi
->idx
;
671 vf
->lan_vsi_id
= vsi
->id
;
672 /* If the port VLAN has been configured and then the
673 * VF driver was removed then the VSI port VLAN
674 * configuration was destroyed. Check if there is
675 * a port VLAN and restore the VSI configuration if
678 if (vf
->port_vlan_id
)
679 i40e_vsi_add_pvid(vsi
, vf
->port_vlan_id
);
681 spin_lock_bh(&vsi
->mac_filter_list_lock
);
682 if (is_valid_ether_addr(vf
->default_lan_addr
.addr
)) {
683 f
= i40e_add_filter(vsi
, vf
->default_lan_addr
.addr
,
684 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
687 dev_info(&pf
->pdev
->dev
,
688 "Could not add MAC filter %pM for VF %d\n",
689 vf
->default_lan_addr
.addr
, vf
->vf_id
);
691 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
692 i40e_write_rx_ctl(&pf
->hw
, I40E_VFQF_HENA1(0, vf
->vf_id
),
694 i40e_write_rx_ctl(&pf
->hw
, I40E_VFQF_HENA1(1, vf
->vf_id
),
698 /* program mac filter */
699 ret
= i40e_sync_vsi_filters(vsi
);
701 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
703 /* Set VF bandwidth if specified */
705 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
706 vf
->tx_rate
/ 50, 0, NULL
);
708 dev_err(&pf
->pdev
->dev
, "Unable to set tx rate, VF %d, error code %d.\n",
717 * i40e_enable_vf_mappings
718 * @vf: pointer to the VF info
722 static void i40e_enable_vf_mappings(struct i40e_vf
*vf
)
724 struct i40e_pf
*pf
= vf
->pf
;
725 struct i40e_hw
*hw
= &pf
->hw
;
726 u32 reg
, total_queue_pairs
= 0;
729 /* Tell the hardware we're using noncontiguous mapping. HW requires
730 * that VF queues be mapped using this method, even when they are
731 * contiguous in real life
733 i40e_write_rx_ctl(hw
, I40E_VSILAN_QBASE(vf
->lan_vsi_id
),
734 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK
);
736 /* enable VF vplan_qtable mappings */
737 reg
= I40E_VPLAN_MAPENA_TXRX_ENA_MASK
;
738 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), reg
);
740 /* map PF queues to VF queues */
741 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
; j
++) {
742 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
, j
);
744 reg
= (qid
& I40E_VPLAN_QTABLE_QINDEX_MASK
);
745 wr32(hw
, I40E_VPLAN_QTABLE(total_queue_pairs
, vf
->vf_id
), reg
);
749 /* map PF queues to VSI */
750 for (j
= 0; j
< 7; j
++) {
751 if (j
* 2 >= pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
) {
752 reg
= 0x07FF07FF; /* unused */
754 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
,
757 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
,
761 i40e_write_rx_ctl(hw
, I40E_VSILAN_QTABLE(j
, vf
->lan_vsi_id
),
769 * i40e_disable_vf_mappings
770 * @vf: pointer to the VF info
772 * disable VF mappings
774 static void i40e_disable_vf_mappings(struct i40e_vf
*vf
)
776 struct i40e_pf
*pf
= vf
->pf
;
777 struct i40e_hw
*hw
= &pf
->hw
;
780 /* disable qp mappings */
781 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), 0);
782 for (i
= 0; i
< I40E_MAX_VSI_QP
; i
++)
783 wr32(hw
, I40E_VPLAN_QTABLE(i
, vf
->vf_id
),
784 I40E_QUEUE_END_OF_LIST
);
790 * @vf: pointer to the VF info
794 static void i40e_free_vf_res(struct i40e_vf
*vf
)
796 struct i40e_pf
*pf
= vf
->pf
;
797 struct i40e_hw
*hw
= &pf
->hw
;
801 /* free vsi & disconnect it from the parent uplink */
802 if (vf
->lan_vsi_idx
) {
803 i40e_vsi_release(pf
->vsi
[vf
->lan_vsi_idx
]);
807 msix_vf
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
809 /* disable interrupts so the VF starts in a known state */
810 for (i
= 0; i
< msix_vf
; i
++) {
811 /* format is same for both registers */
813 reg_idx
= I40E_VFINT_DYN_CTL0(vf
->vf_id
);
815 reg_idx
= I40E_VFINT_DYN_CTLN(((msix_vf
- 1) *
818 wr32(hw
, reg_idx
, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK
);
822 /* clear the irq settings */
823 for (i
= 0; i
< msix_vf
; i
++) {
824 /* format is same for both registers */
826 reg_idx
= I40E_VPINT_LNKLST0(vf
->vf_id
);
828 reg_idx
= I40E_VPINT_LNKLSTN(((msix_vf
- 1) *
831 reg
= (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK
|
832 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
);
833 wr32(hw
, reg_idx
, reg
);
836 /* reset some of the state varibles keeping
837 * track of the resources
839 vf
->num_queue_pairs
= 0;
841 clear_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
);
846 * @vf: pointer to the VF info
848 * allocate VF resources
850 static int i40e_alloc_vf_res(struct i40e_vf
*vf
)
852 struct i40e_pf
*pf
= vf
->pf
;
853 int total_queue_pairs
= 0;
856 /* allocate hw vsi context & associated resources */
857 ret
= i40e_alloc_vsi_res(vf
, I40E_VSI_SRIOV
);
860 total_queue_pairs
+= pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
;
863 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
);
865 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
);
867 /* store the total qps number for the runtime
870 vf
->num_queue_pairs
= total_queue_pairs
;
872 /* VF is now completely initialized */
873 set_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
);
877 i40e_free_vf_res(vf
);
882 #define VF_DEVICE_STATUS 0xAA
883 #define VF_TRANS_PENDING_MASK 0x20
885 * i40e_quiesce_vf_pci
886 * @vf: pointer to the VF structure
888 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
889 * if the transactions never clear.
891 static int i40e_quiesce_vf_pci(struct i40e_vf
*vf
)
893 struct i40e_pf
*pf
= vf
->pf
;
894 struct i40e_hw
*hw
= &pf
->hw
;
898 vf_abs_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
900 wr32(hw
, I40E_PF_PCI_CIAA
,
901 VF_DEVICE_STATUS
| (vf_abs_id
<< I40E_PF_PCI_CIAA_VF_NUM_SHIFT
));
902 for (i
= 0; i
< 100; i
++) {
903 reg
= rd32(hw
, I40E_PF_PCI_CIAD
);
904 if ((reg
& VF_TRANS_PENDING_MASK
) == 0)
913 * @vf: pointer to the VF structure
914 * @flr: VFLR was issued or not
918 void i40e_reset_vf(struct i40e_vf
*vf
, bool flr
)
920 struct i40e_pf
*pf
= vf
->pf
;
921 struct i40e_hw
*hw
= &pf
->hw
;
922 u32 reg
, reg_idx
, bit_idx
;
926 if (test_and_set_bit(__I40E_VF_DISABLE
, &pf
->state
))
930 clear_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
932 /* In the case of a VFLR, the HW has already reset the VF and we
933 * just need to clean up, so don't hit the VFRTRIG register.
936 /* reset VF using VPGEN_VFRTRIG reg */
937 reg
= rd32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
));
938 reg
|= I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
939 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
942 /* clear the VFLR bit in GLGEN_VFLRSTAT */
943 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf
->vf_id
) / 32;
944 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf
->vf_id
) % 32;
945 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
948 if (i40e_quiesce_vf_pci(vf
))
949 dev_err(&pf
->pdev
->dev
, "VF %d PCI transactions stuck\n",
952 /* poll VPGEN_VFRSTAT reg to make sure
953 * that reset is complete
955 for (i
= 0; i
< 10; i
++) {
956 /* VF reset requires driver to first reset the VF and then
957 * poll the status register to make sure that the reset
958 * completed successfully. Due to internal HW FIFO flushes,
959 * we must wait 10ms before the register will be valid.
961 usleep_range(10000, 20000);
962 reg
= rd32(hw
, I40E_VPGEN_VFRSTAT(vf
->vf_id
));
963 if (reg
& I40E_VPGEN_VFRSTAT_VFRD_MASK
) {
970 usleep_range(10000, 20000);
973 dev_err(&pf
->pdev
->dev
, "VF reset check timeout on VF %d\n",
975 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_COMPLETED
);
976 /* clear the reset bit in the VPGEN_VFRTRIG reg */
977 reg
= rd32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
));
978 reg
&= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
979 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
981 /* On initial reset, we won't have any queues */
982 if (vf
->lan_vsi_idx
== 0)
985 i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false);
987 /* reallocate VF resources to reset the VSI state */
988 i40e_free_vf_res(vf
);
989 if (!i40e_alloc_vf_res(vf
)) {
990 int abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
991 i40e_enable_vf_mappings(vf
);
992 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
993 clear_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
994 i40e_notify_client_of_vf_reset(pf
, abs_vf_id
);
996 /* tell the VF the reset is done */
997 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_VFACTIVE
);
1000 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
1005 * @pf: pointer to the PF structure
1009 void i40e_free_vfs(struct i40e_pf
*pf
)
1011 struct i40e_hw
*hw
= &pf
->hw
;
1012 u32 reg_idx
, bit_idx
;
1017 while (test_and_set_bit(__I40E_VF_DISABLE
, &pf
->state
))
1018 usleep_range(1000, 2000);
1020 i40e_notify_client_of_vf_enable(pf
, 0);
1021 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
1022 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
1023 i40e_vsi_control_rings(pf
->vsi
[pf
->vf
[i
].lan_vsi_idx
],
1026 /* Disable IOV before freeing resources. This lets any VF drivers
1027 * running in the host get themselves cleaned up before we yank
1028 * the carpet out from underneath their feet.
1030 if (!pci_vfs_assigned(pf
->pdev
))
1031 pci_disable_sriov(pf
->pdev
);
1033 dev_warn(&pf
->pdev
->dev
, "VFs are assigned - not disabling SR-IOV\n");
1035 msleep(20); /* let any messages in transit get finished up */
1037 /* free up VF resources */
1038 tmp
= pf
->num_alloc_vfs
;
1039 pf
->num_alloc_vfs
= 0;
1040 for (i
= 0; i
< tmp
; i
++) {
1041 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
1042 i40e_free_vf_res(&pf
->vf
[i
]);
1043 /* disable qp mappings */
1044 i40e_disable_vf_mappings(&pf
->vf
[i
]);
1050 /* This check is for when the driver is unloaded while VFs are
1051 * assigned. Setting the number of VFs to 0 through sysfs is caught
1052 * before this function ever gets called.
1054 if (!pci_vfs_assigned(pf
->pdev
)) {
1055 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1056 * work correctly when SR-IOV gets re-enabled.
1058 for (vf_id
= 0; vf_id
< tmp
; vf_id
++) {
1059 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
1060 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
1061 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
1064 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
1067 #ifdef CONFIG_PCI_IOV
1070 * @pf: pointer to the PF structure
1071 * @num_alloc_vfs: number of VFs to allocate
1073 * allocate VF resources
1075 int i40e_alloc_vfs(struct i40e_pf
*pf
, u16 num_alloc_vfs
)
1077 struct i40e_vf
*vfs
;
1080 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1081 i40e_irq_dynamic_disable_icr0(pf
);
1083 /* Check to see if we're just allocating resources for extant VFs */
1084 if (pci_num_vf(pf
->pdev
) != num_alloc_vfs
) {
1085 ret
= pci_enable_sriov(pf
->pdev
, num_alloc_vfs
);
1087 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1088 pf
->num_alloc_vfs
= 0;
1092 i40e_notify_client_of_vf_enable(pf
, num_alloc_vfs
);
1093 /* allocate memory */
1094 vfs
= kcalloc(num_alloc_vfs
, sizeof(struct i40e_vf
), GFP_KERNEL
);
1101 /* apply default profile */
1102 for (i
= 0; i
< num_alloc_vfs
; i
++) {
1104 vfs
[i
].parent_type
= I40E_SWITCH_ELEMENT_TYPE_VEB
;
1107 /* assign default capabilities */
1108 set_bit(I40E_VIRTCHNL_VF_CAP_L2
, &vfs
[i
].vf_caps
);
1109 vfs
[i
].spoofchk
= true;
1110 /* VF resources get allocated during reset */
1111 i40e_reset_vf(&vfs
[i
], false);
1114 pf
->num_alloc_vfs
= num_alloc_vfs
;
1120 /* Re-enable interrupt 0. */
1121 i40e_irq_dynamic_enable_icr0(pf
, false);
1127 * i40e_pci_sriov_enable
1128 * @pdev: pointer to a pci_dev structure
1129 * @num_vfs: number of VFs to allocate
1131 * Enable or change the number of VFs
1133 static int i40e_pci_sriov_enable(struct pci_dev
*pdev
, int num_vfs
)
1135 #ifdef CONFIG_PCI_IOV
1136 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1137 int pre_existing_vfs
= pci_num_vf(pdev
);
1140 if (test_bit(__I40E_TESTING
, &pf
->state
)) {
1141 dev_warn(&pdev
->dev
,
1142 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1147 if (pre_existing_vfs
&& pre_existing_vfs
!= num_vfs
)
1149 else if (pre_existing_vfs
&& pre_existing_vfs
== num_vfs
)
1152 if (num_vfs
> pf
->num_req_vfs
) {
1153 dev_warn(&pdev
->dev
, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1154 num_vfs
, pf
->num_req_vfs
);
1159 dev_info(&pdev
->dev
, "Allocating %d VFs.\n", num_vfs
);
1160 err
= i40e_alloc_vfs(pf
, num_vfs
);
1162 dev_warn(&pdev
->dev
, "Failed to enable SR-IOV: %d\n", err
);
1176 * i40e_pci_sriov_configure
1177 * @pdev: pointer to a pci_dev structure
1178 * @num_vfs: number of VFs to allocate
1180 * Enable or change the number of VFs. Called when the user updates the number
1183 int i40e_pci_sriov_configure(struct pci_dev
*pdev
, int num_vfs
)
1185 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1188 if (!(pf
->flags
& I40E_FLAG_VEB_MODE_ENABLED
)) {
1189 pf
->flags
|= I40E_FLAG_VEB_MODE_ENABLED
;
1190 i40e_do_reset_safe(pf
,
1191 BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1193 return i40e_pci_sriov_enable(pdev
, num_vfs
);
1196 if (!pci_vfs_assigned(pf
->pdev
)) {
1198 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1199 i40e_do_reset_safe(pf
, BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1201 dev_warn(&pdev
->dev
, "Unable to free VFs because some are assigned to VMs.\n");
1207 /***********************virtual channel routines******************/
1210 * i40e_vc_send_msg_to_vf
1211 * @vf: pointer to the VF info
1212 * @v_opcode: virtual channel opcode
1213 * @v_retval: virtual channel return value
1214 * @msg: pointer to the msg buffer
1215 * @msglen: msg length
1219 static int i40e_vc_send_msg_to_vf(struct i40e_vf
*vf
, u32 v_opcode
,
1220 u32 v_retval
, u8
*msg
, u16 msglen
)
1227 /* validate the request */
1228 if (!vf
|| vf
->vf_id
>= vf
->pf
->num_alloc_vfs
)
1233 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
1235 /* single place to detect unsuccessful return values */
1237 vf
->num_invalid_msgs
++;
1238 dev_info(&pf
->pdev
->dev
, "VF %d failed opcode %d, retval: %d\n",
1239 vf
->vf_id
, v_opcode
, v_retval
);
1240 if (vf
->num_invalid_msgs
>
1241 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED
) {
1242 dev_err(&pf
->pdev
->dev
,
1243 "Number of invalid messages exceeded for VF %d\n",
1245 dev_err(&pf
->pdev
->dev
, "Use PF Control I/F to enable the VF\n");
1246 set_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
1249 vf
->num_valid_msgs
++;
1250 /* reset the invalid counter, if a valid message is received. */
1251 vf
->num_invalid_msgs
= 0;
1254 aq_ret
= i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, v_opcode
, v_retval
,
1257 dev_info(&pf
->pdev
->dev
,
1258 "Unable to send the message to VF %d aq_err %d\n",
1259 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
1267 * i40e_vc_send_resp_to_vf
1268 * @vf: pointer to the VF info
1269 * @opcode: operation code
1270 * @retval: return value
1272 * send resp msg to VF
1274 static int i40e_vc_send_resp_to_vf(struct i40e_vf
*vf
,
1275 enum i40e_virtchnl_ops opcode
,
1278 return i40e_vc_send_msg_to_vf(vf
, opcode
, retval
, NULL
, 0);
1282 * i40e_vc_get_version_msg
1283 * @vf: pointer to the VF info
1285 * called from the VF to request the API version used by the PF
1287 static int i40e_vc_get_version_msg(struct i40e_vf
*vf
, u8
*msg
)
1289 struct i40e_virtchnl_version_info info
= {
1290 I40E_VIRTCHNL_VERSION_MAJOR
, I40E_VIRTCHNL_VERSION_MINOR
1293 vf
->vf_ver
= *(struct i40e_virtchnl_version_info
*)msg
;
1294 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1296 info
.minor
= I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS
;
1297 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_VERSION
,
1298 I40E_SUCCESS
, (u8
*)&info
,
1300 i40e_virtchnl_version_info
));
1304 * i40e_vc_get_vf_resources_msg
1305 * @vf: pointer to the VF info
1306 * @msg: pointer to the msg buffer
1307 * @msglen: msg length
1309 * called from the VF to request its resources
1311 static int i40e_vc_get_vf_resources_msg(struct i40e_vf
*vf
, u8
*msg
)
1313 struct i40e_virtchnl_vf_resource
*vfres
= NULL
;
1314 struct i40e_pf
*pf
= vf
->pf
;
1315 i40e_status aq_ret
= 0;
1316 struct i40e_vsi
*vsi
;
1321 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
1322 aq_ret
= I40E_ERR_PARAM
;
1326 len
= (sizeof(struct i40e_virtchnl_vf_resource
) +
1327 sizeof(struct i40e_virtchnl_vsi_resource
) * num_vsis
);
1329 vfres
= kzalloc(len
, GFP_KERNEL
);
1331 aq_ret
= I40E_ERR_NO_MEMORY
;
1336 vf
->driver_caps
= *(u32
*)msg
;
1338 vf
->driver_caps
= I40E_VIRTCHNL_VF_OFFLOAD_L2
|
1339 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
|
1340 I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1342 vfres
->vf_offload_flags
= I40E_VIRTCHNL_VF_OFFLOAD_L2
;
1343 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1344 if (!vsi
->info
.pvid
)
1345 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1347 if (i40e_vf_client_capable(pf
, vf
->vf_id
, I40E_CLIENT_IWARP
) &&
1348 (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_IWARP
)) {
1349 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_IWARP
;
1350 set_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
);
1353 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF
) {
1354 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF
;
1356 if ((pf
->flags
& I40E_FLAG_RSS_AQ_CAPABLE
) &&
1357 (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
))
1358 vfres
->vf_offload_flags
|=
1359 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
;
1361 vfres
->vf_offload_flags
|=
1362 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
;
1365 if (pf
->flags
& I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE
) {
1366 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2
)
1367 vfres
->vf_offload_flags
|=
1368 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2
;
1371 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING
) {
1372 if (pf
->flags
& I40E_FLAG_MFP_ENABLED
) {
1373 dev_err(&pf
->pdev
->dev
,
1374 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1376 ret
= I40E_ERR_PARAM
;
1379 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING
;
1382 if (pf
->flags
& I40E_FLAG_WB_ON_ITR_CAPABLE
) {
1383 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR
)
1384 vfres
->vf_offload_flags
|=
1385 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR
;
1388 vfres
->num_vsis
= num_vsis
;
1389 vfres
->num_queue_pairs
= vf
->num_queue_pairs
;
1390 vfres
->max_vectors
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
1391 vfres
->rss_key_size
= I40E_HKEY_ARRAY_SIZE
;
1392 vfres
->rss_lut_size
= I40E_VF_HLUT_ARRAY_SIZE
;
1394 if (vf
->lan_vsi_idx
) {
1395 vfres
->vsi_res
[0].vsi_id
= vf
->lan_vsi_id
;
1396 vfres
->vsi_res
[0].vsi_type
= I40E_VSI_SRIOV
;
1397 vfres
->vsi_res
[0].num_queue_pairs
= vsi
->alloc_queue_pairs
;
1398 /* VFs only use TC 0 */
1399 vfres
->vsi_res
[0].qset_handle
1400 = le16_to_cpu(vsi
->info
.qs_handle
[0]);
1401 ether_addr_copy(vfres
->vsi_res
[0].default_mac_addr
,
1402 vf
->default_lan_addr
.addr
);
1404 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
1407 /* send the response back to the VF */
1408 ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
1409 aq_ret
, (u8
*)vfres
, len
);
1416 * i40e_vc_reset_vf_msg
1417 * @vf: pointer to the VF info
1418 * @msg: pointer to the msg buffer
1419 * @msglen: msg length
1421 * called from the VF to reset itself,
1422 * unlike other virtchnl messages, PF driver
1423 * doesn't send the response back to the VF
1425 static void i40e_vc_reset_vf_msg(struct i40e_vf
*vf
)
1427 if (test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
1428 i40e_reset_vf(vf
, false);
1432 * i40e_getnum_vf_vsi_vlan_filters
1433 * @vsi: pointer to the vsi
1435 * called to get the number of VLANs offloaded on this VF
1437 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi
*vsi
)
1439 struct i40e_mac_filter
*f
;
1442 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1443 if (f
->vlan
>= 0 && f
->vlan
<= I40E_MAX_VLANID
)
1451 * i40e_vc_config_promiscuous_mode_msg
1452 * @vf: pointer to the VF info
1453 * @msg: pointer to the msg buffer
1454 * @msglen: msg length
1456 * called from the VF to configure the promiscuous mode of
1459 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf
*vf
,
1460 u8
*msg
, u16 msglen
)
1462 struct i40e_virtchnl_promisc_info
*info
=
1463 (struct i40e_virtchnl_promisc_info
*)msg
;
1464 struct i40e_pf
*pf
= vf
->pf
;
1465 struct i40e_hw
*hw
= &pf
->hw
;
1466 struct i40e_mac_filter
*f
;
1467 i40e_status aq_ret
= 0;
1468 bool allmulti
= false;
1469 struct i40e_vsi
*vsi
;
1470 bool alluni
= false;
1473 vsi
= i40e_find_vsi_from_id(pf
, info
->vsi_id
);
1474 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1475 !i40e_vc_isvalid_vsi_id(vf
, info
->vsi_id
)) {
1476 aq_ret
= I40E_ERR_PARAM
;
1479 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
1480 dev_err(&pf
->pdev
->dev
,
1481 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1483 /* Lie to the VF on purpose. */
1487 /* Multicast promiscuous handling*/
1488 if (info
->flags
& I40E_FLAG_VF_MULTICAST_PROMISC
)
1491 if (vf
->port_vlan_id
) {
1492 aq_ret
= i40e_aq_set_vsi_mc_promisc_on_vlan(hw
, vsi
->seid
,
1496 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi
)) {
1497 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1498 if (f
->vlan
< 0 || f
->vlan
> I40E_MAX_VLANID
)
1500 aq_ret
= i40e_aq_set_vsi_mc_promisc_on_vlan(hw
,
1505 aq_err
= pf
->hw
.aq
.asq_last_status
;
1507 dev_err(&pf
->pdev
->dev
,
1508 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1510 i40e_stat_str(&pf
->hw
, aq_ret
),
1511 i40e_aq_str(&pf
->hw
, aq_err
));
1516 aq_ret
= i40e_aq_set_vsi_multicast_promiscuous(hw
, vsi
->seid
,
1518 aq_err
= pf
->hw
.aq
.asq_last_status
;
1520 dev_err(&pf
->pdev
->dev
,
1521 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1523 i40e_stat_str(&pf
->hw
, aq_ret
),
1524 i40e_aq_str(&pf
->hw
, aq_err
));
1525 goto error_param_int
;
1530 dev_info(&pf
->pdev
->dev
,
1531 "VF %d successfully set multicast promiscuous mode\n",
1534 set_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
);
1536 clear_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
);
1539 if (info
->flags
& I40E_FLAG_VF_UNICAST_PROMISC
)
1541 if (vf
->port_vlan_id
) {
1542 aq_ret
= i40e_aq_set_vsi_uc_promisc_on_vlan(hw
, vsi
->seid
,
1546 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi
)) {
1547 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1549 if (f
->vlan
>= 0 && f
->vlan
<= I40E_MAX_VLANID
) {
1551 i40e_aq_set_vsi_uc_promisc_on_vlan(hw
,
1556 aq_err
= pf
->hw
.aq
.asq_last_status
;
1559 dev_err(&pf
->pdev
->dev
,
1560 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1562 i40e_stat_str(&pf
->hw
, aq_ret
),
1563 i40e_aq_str(&pf
->hw
, aq_err
));
1566 aq_ret
= i40e_aq_set_vsi_unicast_promiscuous(hw
, vsi
->seid
,
1569 aq_err
= pf
->hw
.aq
.asq_last_status
;
1571 dev_err(&pf
->pdev
->dev
,
1572 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1573 vf
->vf_id
, info
->flags
,
1574 i40e_stat_str(&pf
->hw
, aq_ret
),
1575 i40e_aq_str(&pf
->hw
, aq_err
));
1580 dev_info(&pf
->pdev
->dev
,
1581 "VF %d successfully set unicast promiscuous mode\n",
1584 set_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
);
1586 clear_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
);
1590 /* send the response to the VF */
1591 return i40e_vc_send_resp_to_vf(vf
,
1592 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
1597 * i40e_vc_config_queues_msg
1598 * @vf: pointer to the VF info
1599 * @msg: pointer to the msg buffer
1600 * @msglen: msg length
1602 * called from the VF to configure the rx/tx
1605 static int i40e_vc_config_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1607 struct i40e_virtchnl_vsi_queue_config_info
*qci
=
1608 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1609 struct i40e_virtchnl_queue_pair_info
*qpi
;
1610 struct i40e_pf
*pf
= vf
->pf
;
1611 u16 vsi_id
, vsi_queue_id
;
1612 i40e_status aq_ret
= 0;
1615 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1616 aq_ret
= I40E_ERR_PARAM
;
1620 vsi_id
= qci
->vsi_id
;
1621 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1622 aq_ret
= I40E_ERR_PARAM
;
1625 for (i
= 0; i
< qci
->num_queue_pairs
; i
++) {
1626 qpi
= &qci
->qpair
[i
];
1627 vsi_queue_id
= qpi
->txq
.queue_id
;
1628 if ((qpi
->txq
.vsi_id
!= vsi_id
) ||
1629 (qpi
->rxq
.vsi_id
!= vsi_id
) ||
1630 (qpi
->rxq
.queue_id
!= vsi_queue_id
) ||
1631 !i40e_vc_isvalid_queue_id(vf
, vsi_id
, vsi_queue_id
)) {
1632 aq_ret
= I40E_ERR_PARAM
;
1636 if (i40e_config_vsi_rx_queue(vf
, vsi_id
, vsi_queue_id
,
1638 i40e_config_vsi_tx_queue(vf
, vsi_id
, vsi_queue_id
,
1640 aq_ret
= I40E_ERR_PARAM
;
1644 /* set vsi num_queue_pairs in use to num configured by VF */
1645 pf
->vsi
[vf
->lan_vsi_idx
]->num_queue_pairs
= qci
->num_queue_pairs
;
1648 /* send the response to the VF */
1649 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
1654 * i40e_vc_config_irq_map_msg
1655 * @vf: pointer to the VF info
1656 * @msg: pointer to the msg buffer
1657 * @msglen: msg length
1659 * called from the VF to configure the irq to
1662 static int i40e_vc_config_irq_map_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1664 struct i40e_virtchnl_irq_map_info
*irqmap_info
=
1665 (struct i40e_virtchnl_irq_map_info
*)msg
;
1666 struct i40e_virtchnl_vector_map
*map
;
1667 u16 vsi_id
, vsi_queue_id
, vector_id
;
1668 i40e_status aq_ret
= 0;
1669 unsigned long tempmap
;
1672 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1673 aq_ret
= I40E_ERR_PARAM
;
1677 for (i
= 0; i
< irqmap_info
->num_vectors
; i
++) {
1678 map
= &irqmap_info
->vecmap
[i
];
1680 vector_id
= map
->vector_id
;
1681 vsi_id
= map
->vsi_id
;
1682 /* validate msg params */
1683 if (!i40e_vc_isvalid_vector_id(vf
, vector_id
) ||
1684 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1685 aq_ret
= I40E_ERR_PARAM
;
1689 /* lookout for the invalid queue index */
1690 tempmap
= map
->rxq_map
;
1691 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1692 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1694 aq_ret
= I40E_ERR_PARAM
;
1699 tempmap
= map
->txq_map
;
1700 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1701 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1703 aq_ret
= I40E_ERR_PARAM
;
1708 i40e_config_irq_link_list(vf
, vsi_id
, map
);
1711 /* send the response to the VF */
1712 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
1717 * i40e_vc_enable_queues_msg
1718 * @vf: pointer to the VF info
1719 * @msg: pointer to the msg buffer
1720 * @msglen: msg length
1722 * called from the VF to enable all or specific queue(s)
1724 static int i40e_vc_enable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1726 struct i40e_virtchnl_queue_select
*vqs
=
1727 (struct i40e_virtchnl_queue_select
*)msg
;
1728 struct i40e_pf
*pf
= vf
->pf
;
1729 u16 vsi_id
= vqs
->vsi_id
;
1730 i40e_status aq_ret
= 0;
1732 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1733 aq_ret
= I40E_ERR_PARAM
;
1737 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1738 aq_ret
= I40E_ERR_PARAM
;
1742 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1743 aq_ret
= I40E_ERR_PARAM
;
1747 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], true))
1748 aq_ret
= I40E_ERR_TIMEOUT
;
1750 /* send the response to the VF */
1751 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
1756 * i40e_vc_disable_queues_msg
1757 * @vf: pointer to the VF info
1758 * @msg: pointer to the msg buffer
1759 * @msglen: msg length
1761 * called from the VF to disable all or specific
1764 static int i40e_vc_disable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1766 struct i40e_virtchnl_queue_select
*vqs
=
1767 (struct i40e_virtchnl_queue_select
*)msg
;
1768 struct i40e_pf
*pf
= vf
->pf
;
1769 i40e_status aq_ret
= 0;
1771 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1772 aq_ret
= I40E_ERR_PARAM
;
1776 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1777 aq_ret
= I40E_ERR_PARAM
;
1781 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1782 aq_ret
= I40E_ERR_PARAM
;
1786 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false))
1787 aq_ret
= I40E_ERR_TIMEOUT
;
1790 /* send the response to the VF */
1791 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
1796 * i40e_vc_get_stats_msg
1797 * @vf: pointer to the VF info
1798 * @msg: pointer to the msg buffer
1799 * @msglen: msg length
1801 * called from the VF to get vsi stats
1803 static int i40e_vc_get_stats_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1805 struct i40e_virtchnl_queue_select
*vqs
=
1806 (struct i40e_virtchnl_queue_select
*)msg
;
1807 struct i40e_pf
*pf
= vf
->pf
;
1808 struct i40e_eth_stats stats
;
1809 i40e_status aq_ret
= 0;
1810 struct i40e_vsi
*vsi
;
1812 memset(&stats
, 0, sizeof(struct i40e_eth_stats
));
1814 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1815 aq_ret
= I40E_ERR_PARAM
;
1819 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1820 aq_ret
= I40E_ERR_PARAM
;
1824 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1826 aq_ret
= I40E_ERR_PARAM
;
1829 i40e_update_eth_stats(vsi
);
1830 stats
= vsi
->eth_stats
;
1833 /* send the response back to the VF */
1834 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_STATS
, aq_ret
,
1835 (u8
*)&stats
, sizeof(stats
));
1838 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1839 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1840 #define I40E_VC_MAX_VLAN_PER_VF 8
1843 * i40e_check_vf_permission
1844 * @vf: pointer to the VF info
1845 * @macaddr: pointer to the MAC Address being checked
1847 * Check if the VF has permission to add or delete unicast MAC address
1848 * filters and return error code -EPERM if not. Then check if the
1849 * address filter requested is broadcast or zero and if so return
1850 * an invalid MAC address error code.
1852 static inline int i40e_check_vf_permission(struct i40e_vf
*vf
, u8
*macaddr
)
1854 struct i40e_pf
*pf
= vf
->pf
;
1857 if (is_broadcast_ether_addr(macaddr
) ||
1858 is_zero_ether_addr(macaddr
)) {
1859 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n", macaddr
);
1860 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1861 } else if (vf
->pf_set_mac
&& !is_multicast_ether_addr(macaddr
) &&
1862 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) &&
1863 !ether_addr_equal(macaddr
, vf
->default_lan_addr
.addr
)) {
1864 /* If the host VMM administrator has set the VF MAC address
1865 * administratively via the ndo_set_vf_mac command then deny
1866 * permission to the VF to add or delete unicast MAC addresses.
1867 * Unless the VF is privileged and then it can do whatever.
1868 * The VF may request to set the MAC address filter already
1869 * assigned to it so do not return an error in that case.
1871 dev_err(&pf
->pdev
->dev
,
1872 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1874 } else if ((vf
->num_mac
>= I40E_VC_MAX_MAC_ADDR_PER_VF
) &&
1875 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
1876 dev_err(&pf
->pdev
->dev
,
1877 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1884 * i40e_vc_add_mac_addr_msg
1885 * @vf: pointer to the VF info
1886 * @msg: pointer to the msg buffer
1887 * @msglen: msg length
1889 * add guest mac address filter
1891 static int i40e_vc_add_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1893 struct i40e_virtchnl_ether_addr_list
*al
=
1894 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1895 struct i40e_pf
*pf
= vf
->pf
;
1896 struct i40e_vsi
*vsi
= NULL
;
1897 u16 vsi_id
= al
->vsi_id
;
1898 i40e_status ret
= 0;
1901 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1902 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1903 ret
= I40E_ERR_PARAM
;
1907 for (i
= 0; i
< al
->num_elements
; i
++) {
1908 ret
= i40e_check_vf_permission(vf
, al
->list
[i
].addr
);
1912 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1914 /* Lock once, because all function inside for loop accesses VSI's
1915 * MAC filter list which needs to be protected using same lock.
1917 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1919 /* add new addresses to the list */
1920 for (i
= 0; i
< al
->num_elements
; i
++) {
1921 struct i40e_mac_filter
*f
;
1923 f
= i40e_find_mac(vsi
, al
->list
[i
].addr
, true, false);
1925 if (i40e_is_vsi_in_vlan(vsi
))
1926 f
= i40e_put_mac_in_vlan(vsi
, al
->list
[i
].addr
,
1929 f
= i40e_add_filter(vsi
, al
->list
[i
].addr
, -1,
1934 dev_err(&pf
->pdev
->dev
,
1935 "Unable to add MAC filter %pM for VF %d\n",
1936 al
->list
[i
].addr
, vf
->vf_id
);
1937 ret
= I40E_ERR_PARAM
;
1938 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1944 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1946 /* program the updated filter list */
1947 ret
= i40e_sync_vsi_filters(vsi
);
1949 dev_err(&pf
->pdev
->dev
, "Unable to program VF %d MAC filters, error %d\n",
1953 /* send the response to the VF */
1954 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
1959 * i40e_vc_del_mac_addr_msg
1960 * @vf: pointer to the VF info
1961 * @msg: pointer to the msg buffer
1962 * @msglen: msg length
1964 * remove guest mac address filter
1966 static int i40e_vc_del_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1968 struct i40e_virtchnl_ether_addr_list
*al
=
1969 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1970 struct i40e_pf
*pf
= vf
->pf
;
1971 struct i40e_vsi
*vsi
= NULL
;
1972 u16 vsi_id
= al
->vsi_id
;
1973 i40e_status ret
= 0;
1976 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1977 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1978 ret
= I40E_ERR_PARAM
;
1982 for (i
= 0; i
< al
->num_elements
; i
++) {
1983 if (is_broadcast_ether_addr(al
->list
[i
].addr
) ||
1984 is_zero_ether_addr(al
->list
[i
].addr
)) {
1985 dev_err(&pf
->pdev
->dev
, "Invalid MAC addr %pM for VF %d\n",
1986 al
->list
[i
].addr
, vf
->vf_id
);
1987 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1991 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1993 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1994 /* delete addresses from the list */
1995 for (i
= 0; i
< al
->num_elements
; i
++)
1996 if (i40e_del_mac_all_vlan(vsi
, al
->list
[i
].addr
, true, false)) {
1997 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1998 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2004 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2006 /* program the updated filter list */
2007 ret
= i40e_sync_vsi_filters(vsi
);
2009 dev_err(&pf
->pdev
->dev
, "Unable to program VF %d MAC filters, error %d\n",
2013 /* send the response to the VF */
2014 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
2019 * i40e_vc_add_vlan_msg
2020 * @vf: pointer to the VF info
2021 * @msg: pointer to the msg buffer
2022 * @msglen: msg length
2024 * program guest vlan id
2026 static int i40e_vc_add_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2028 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2029 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2030 struct i40e_pf
*pf
= vf
->pf
;
2031 struct i40e_vsi
*vsi
= NULL
;
2032 u16 vsi_id
= vfl
->vsi_id
;
2033 i40e_status aq_ret
= 0;
2036 if ((vf
->num_vlan
>= I40E_VC_MAX_VLAN_PER_VF
) &&
2037 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
2038 dev_err(&pf
->pdev
->dev
,
2039 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2042 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2043 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
2044 aq_ret
= I40E_ERR_PARAM
;
2048 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2049 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
2050 aq_ret
= I40E_ERR_PARAM
;
2051 dev_err(&pf
->pdev
->dev
,
2052 "invalid VF VLAN id %d\n", vfl
->vlan_id
[i
]);
2056 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2057 if (vsi
->info
.pvid
) {
2058 aq_ret
= I40E_ERR_PARAM
;
2062 i40e_vlan_stripping_enable(vsi
);
2063 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2064 /* add new VLAN filter */
2065 int ret
= i40e_vsi_add_vlan(vsi
, vfl
->vlan_id
[i
]);
2069 if (test_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
))
2070 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2074 if (test_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
))
2075 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2081 dev_err(&pf
->pdev
->dev
,
2082 "Unable to add VLAN filter %d for VF %d, error %d\n",
2083 vfl
->vlan_id
[i
], vf
->vf_id
, ret
);
2087 /* send the response to the VF */
2088 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_VLAN
, aq_ret
);
2092 * i40e_vc_remove_vlan_msg
2093 * @vf: pointer to the VF info
2094 * @msg: pointer to the msg buffer
2095 * @msglen: msg length
2097 * remove programmed guest vlan id
2099 static int i40e_vc_remove_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2101 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2102 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2103 struct i40e_pf
*pf
= vf
->pf
;
2104 struct i40e_vsi
*vsi
= NULL
;
2105 u16 vsi_id
= vfl
->vsi_id
;
2106 i40e_status aq_ret
= 0;
2109 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2110 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
2111 aq_ret
= I40E_ERR_PARAM
;
2115 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2116 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
2117 aq_ret
= I40E_ERR_PARAM
;
2122 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2123 if (vsi
->info
.pvid
) {
2124 aq_ret
= I40E_ERR_PARAM
;
2128 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2129 int ret
= i40e_vsi_kill_vlan(vsi
, vfl
->vlan_id
[i
]);
2133 if (test_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
))
2134 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2138 if (test_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
))
2139 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2145 dev_err(&pf
->pdev
->dev
,
2146 "Unable to delete VLAN filter %d for VF %d, error %d\n",
2147 vfl
->vlan_id
[i
], vf
->vf_id
, ret
);
2151 /* send the response to the VF */
2152 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_VLAN
, aq_ret
);
2157 * @vf: pointer to the VF info
2158 * @msg: pointer to the msg buffer
2159 * @msglen: msg length
2161 * called from the VF for the iwarp msgs
2163 static int i40e_vc_iwarp_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2165 struct i40e_pf
*pf
= vf
->pf
;
2166 int abs_vf_id
= vf
->vf_id
+ pf
->hw
.func_caps
.vf_base_id
;
2167 i40e_status aq_ret
= 0;
2169 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2170 !test_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
)) {
2171 aq_ret
= I40E_ERR_PARAM
;
2175 i40e_notify_client_of_vf_msg(pf
->vsi
[pf
->lan_vsi
], abs_vf_id
,
2179 /* send the response to the VF */
2180 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_IWARP
,
2185 * i40e_vc_iwarp_qvmap_msg
2186 * @vf: pointer to the VF info
2187 * @msg: pointer to the msg buffer
2188 * @msglen: msg length
2189 * @config: config qvmap or release it
2191 * called from the VF for the iwarp msgs
2193 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
,
2196 struct i40e_virtchnl_iwarp_qvlist_info
*qvlist_info
=
2197 (struct i40e_virtchnl_iwarp_qvlist_info
*)msg
;
2198 i40e_status aq_ret
= 0;
2200 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2201 !test_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
)) {
2202 aq_ret
= I40E_ERR_PARAM
;
2207 if (i40e_config_iwarp_qvlist(vf
, qvlist_info
))
2208 aq_ret
= I40E_ERR_PARAM
;
2210 i40e_release_iwarp_qvlist(vf
);
2214 /* send the response to the VF */
2215 return i40e_vc_send_resp_to_vf(vf
,
2216 config
? I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2217 I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
,
2222 * i40e_vc_config_rss_key
2223 * @vf: pointer to the VF info
2224 * @msg: pointer to the msg buffer
2225 * @msglen: msg length
2227 * Configure the VF's RSS key
2229 static int i40e_vc_config_rss_key(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2231 struct i40e_virtchnl_rss_key
*vrk
=
2232 (struct i40e_virtchnl_rss_key
*)msg
;
2233 struct i40e_pf
*pf
= vf
->pf
;
2234 struct i40e_vsi
*vsi
= NULL
;
2235 u16 vsi_id
= vrk
->vsi_id
;
2236 i40e_status aq_ret
= 0;
2238 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2239 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
) ||
2240 (vrk
->key_len
!= I40E_HKEY_ARRAY_SIZE
)) {
2241 aq_ret
= I40E_ERR_PARAM
;
2245 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2246 aq_ret
= i40e_config_rss(vsi
, vrk
->key
, NULL
, 0);
2248 /* send the response to the VF */
2249 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
,
2254 * i40e_vc_config_rss_lut
2255 * @vf: pointer to the VF info
2256 * @msg: pointer to the msg buffer
2257 * @msglen: msg length
2259 * Configure the VF's RSS LUT
2261 static int i40e_vc_config_rss_lut(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2263 struct i40e_virtchnl_rss_lut
*vrl
=
2264 (struct i40e_virtchnl_rss_lut
*)msg
;
2265 struct i40e_pf
*pf
= vf
->pf
;
2266 struct i40e_vsi
*vsi
= NULL
;
2267 u16 vsi_id
= vrl
->vsi_id
;
2268 i40e_status aq_ret
= 0;
2270 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2271 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
) ||
2272 (vrl
->lut_entries
!= I40E_VF_HLUT_ARRAY_SIZE
)) {
2273 aq_ret
= I40E_ERR_PARAM
;
2277 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2278 aq_ret
= i40e_config_rss(vsi
, NULL
, vrl
->lut
, I40E_VF_HLUT_ARRAY_SIZE
);
2279 /* send the response to the VF */
2281 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
,
2286 * i40e_vc_get_rss_hena
2287 * @vf: pointer to the VF info
2288 * @msg: pointer to the msg buffer
2289 * @msglen: msg length
2291 * Return the RSS HENA bits allowed by the hardware
2293 static int i40e_vc_get_rss_hena(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2295 struct i40e_virtchnl_rss_hena
*vrh
= NULL
;
2296 struct i40e_pf
*pf
= vf
->pf
;
2297 i40e_status aq_ret
= 0;
2300 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
2301 aq_ret
= I40E_ERR_PARAM
;
2304 len
= sizeof(struct i40e_virtchnl_rss_hena
);
2306 vrh
= kzalloc(len
, GFP_KERNEL
);
2308 aq_ret
= I40E_ERR_NO_MEMORY
;
2312 vrh
->hena
= i40e_pf_get_default_rss_hena(pf
);
2314 /* send the response back to the VF */
2315 aq_ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
,
2316 aq_ret
, (u8
*)vrh
, len
);
2321 * i40e_vc_set_rss_hena
2322 * @vf: pointer to the VF info
2323 * @msg: pointer to the msg buffer
2324 * @msglen: msg length
2326 * Set the RSS HENA bits for the VF
2328 static int i40e_vc_set_rss_hena(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2330 struct i40e_virtchnl_rss_hena
*vrh
=
2331 (struct i40e_virtchnl_rss_hena
*)msg
;
2332 struct i40e_pf
*pf
= vf
->pf
;
2333 struct i40e_hw
*hw
= &pf
->hw
;
2334 i40e_status aq_ret
= 0;
2336 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
2337 aq_ret
= I40E_ERR_PARAM
;
2340 i40e_write_rx_ctl(hw
, I40E_VFQF_HENA1(0, vf
->vf_id
), (u32
)vrh
->hena
);
2341 i40e_write_rx_ctl(hw
, I40E_VFQF_HENA1(1, vf
->vf_id
),
2342 (u32
)(vrh
->hena
>> 32));
2344 /* send the response to the VF */
2346 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_SET_RSS_HENA
,
2351 * i40e_vc_validate_vf_msg
2352 * @vf: pointer to the VF info
2353 * @msg: pointer to the msg buffer
2354 * @msglen: msg length
2355 * @msghndl: msg handle
2359 static int i40e_vc_validate_vf_msg(struct i40e_vf
*vf
, u32 v_opcode
,
2360 u32 v_retval
, u8
*msg
, u16 msglen
)
2362 bool err_msg_format
= false;
2365 /* Check if VF is disabled. */
2366 if (test_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
))
2367 return I40E_ERR_PARAM
;
2369 /* Validate message length. */
2371 case I40E_VIRTCHNL_OP_VERSION
:
2372 valid_len
= sizeof(struct i40e_virtchnl_version_info
);
2374 case I40E_VIRTCHNL_OP_RESET_VF
:
2376 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
2378 valid_len
= sizeof(u32
);
2380 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE
:
2381 valid_len
= sizeof(struct i40e_virtchnl_txq_info
);
2383 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE
:
2384 valid_len
= sizeof(struct i40e_virtchnl_rxq_info
);
2386 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
2387 valid_len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
);
2388 if (msglen
>= valid_len
) {
2389 struct i40e_virtchnl_vsi_queue_config_info
*vqc
=
2390 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
2391 valid_len
+= (vqc
->num_queue_pairs
*
2393 i40e_virtchnl_queue_pair_info
));
2394 if (vqc
->num_queue_pairs
== 0)
2395 err_msg_format
= true;
2398 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
2399 valid_len
= sizeof(struct i40e_virtchnl_irq_map_info
);
2400 if (msglen
>= valid_len
) {
2401 struct i40e_virtchnl_irq_map_info
*vimi
=
2402 (struct i40e_virtchnl_irq_map_info
*)msg
;
2403 valid_len
+= (vimi
->num_vectors
*
2404 sizeof(struct i40e_virtchnl_vector_map
));
2405 if (vimi
->num_vectors
== 0)
2406 err_msg_format
= true;
2409 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
2410 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
2411 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
2413 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
2414 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
2415 valid_len
= sizeof(struct i40e_virtchnl_ether_addr_list
);
2416 if (msglen
>= valid_len
) {
2417 struct i40e_virtchnl_ether_addr_list
*veal
=
2418 (struct i40e_virtchnl_ether_addr_list
*)msg
;
2419 valid_len
+= veal
->num_elements
*
2420 sizeof(struct i40e_virtchnl_ether_addr
);
2421 if (veal
->num_elements
== 0)
2422 err_msg_format
= true;
2425 case I40E_VIRTCHNL_OP_ADD_VLAN
:
2426 case I40E_VIRTCHNL_OP_DEL_VLAN
:
2427 valid_len
= sizeof(struct i40e_virtchnl_vlan_filter_list
);
2428 if (msglen
>= valid_len
) {
2429 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2430 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2431 valid_len
+= vfl
->num_elements
* sizeof(u16
);
2432 if (vfl
->num_elements
== 0)
2433 err_msg_format
= true;
2436 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
2437 valid_len
= sizeof(struct i40e_virtchnl_promisc_info
);
2439 case I40E_VIRTCHNL_OP_GET_STATS
:
2440 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
2442 case I40E_VIRTCHNL_OP_IWARP
:
2443 /* These messages are opaque to us and will be validated in
2444 * the RDMA client code. We just need to check for nonzero
2445 * length. The firmware will enforce max length restrictions.
2450 err_msg_format
= true;
2452 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2455 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
:
2456 valid_len
= sizeof(struct i40e_virtchnl_iwarp_qvlist_info
);
2457 if (msglen
>= valid_len
) {
2458 struct i40e_virtchnl_iwarp_qvlist_info
*qv
=
2459 (struct i40e_virtchnl_iwarp_qvlist_info
*)msg
;
2460 if (qv
->num_vectors
== 0) {
2461 err_msg_format
= true;
2464 valid_len
+= ((qv
->num_vectors
- 1) *
2465 sizeof(struct i40e_virtchnl_iwarp_qv_info
));
2468 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
:
2469 valid_len
= sizeof(struct i40e_virtchnl_rss_key
);
2470 if (msglen
>= valid_len
) {
2471 struct i40e_virtchnl_rss_key
*vrk
=
2472 (struct i40e_virtchnl_rss_key
*)msg
;
2473 if (vrk
->key_len
!= I40E_HKEY_ARRAY_SIZE
) {
2474 err_msg_format
= true;
2477 valid_len
+= vrk
->key_len
- 1;
2480 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
:
2481 valid_len
= sizeof(struct i40e_virtchnl_rss_lut
);
2482 if (msglen
>= valid_len
) {
2483 struct i40e_virtchnl_rss_lut
*vrl
=
2484 (struct i40e_virtchnl_rss_lut
*)msg
;
2485 if (vrl
->lut_entries
!= I40E_VF_HLUT_ARRAY_SIZE
) {
2486 err_msg_format
= true;
2489 valid_len
+= vrl
->lut_entries
- 1;
2492 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
:
2494 case I40E_VIRTCHNL_OP_SET_RSS_HENA
:
2495 valid_len
= sizeof(struct i40e_virtchnl_rss_hena
);
2497 /* These are always errors coming from the VF. */
2498 case I40E_VIRTCHNL_OP_EVENT
:
2499 case I40E_VIRTCHNL_OP_UNKNOWN
:
2503 /* few more checks */
2504 if ((valid_len
!= msglen
) || (err_msg_format
)) {
2505 i40e_vc_send_resp_to_vf(vf
, v_opcode
, I40E_ERR_PARAM
);
2513 * i40e_vc_process_vf_msg
2514 * @pf: pointer to the PF structure
2515 * @vf_id: source VF id
2516 * @msg: pointer to the msg buffer
2517 * @msglen: msg length
2518 * @msghndl: msg handle
2520 * called from the common aeq/arq handler to
2521 * process request from VF
2523 int i40e_vc_process_vf_msg(struct i40e_pf
*pf
, s16 vf_id
, u32 v_opcode
,
2524 u32 v_retval
, u8
*msg
, u16 msglen
)
2526 struct i40e_hw
*hw
= &pf
->hw
;
2527 int local_vf_id
= vf_id
- (s16
)hw
->func_caps
.vf_base_id
;
2531 pf
->vf_aq_requests
++;
2532 if (local_vf_id
>= pf
->num_alloc_vfs
)
2534 vf
= &(pf
->vf
[local_vf_id
]);
2535 /* perform basic checks on the msg */
2536 ret
= i40e_vc_validate_vf_msg(vf
, v_opcode
, v_retval
, msg
, msglen
);
2539 dev_err(&pf
->pdev
->dev
, "Invalid message from VF %d, opcode %d, len %d\n",
2540 local_vf_id
, v_opcode
, msglen
);
2545 case I40E_VIRTCHNL_OP_VERSION
:
2546 ret
= i40e_vc_get_version_msg(vf
, msg
);
2548 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
2549 ret
= i40e_vc_get_vf_resources_msg(vf
, msg
);
2551 case I40E_VIRTCHNL_OP_RESET_VF
:
2552 i40e_vc_reset_vf_msg(vf
);
2555 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
2556 ret
= i40e_vc_config_promiscuous_mode_msg(vf
, msg
, msglen
);
2558 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
2559 ret
= i40e_vc_config_queues_msg(vf
, msg
, msglen
);
2561 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
2562 ret
= i40e_vc_config_irq_map_msg(vf
, msg
, msglen
);
2564 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
2565 ret
= i40e_vc_enable_queues_msg(vf
, msg
, msglen
);
2566 i40e_vc_notify_vf_link_state(vf
);
2568 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
2569 ret
= i40e_vc_disable_queues_msg(vf
, msg
, msglen
);
2571 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
2572 ret
= i40e_vc_add_mac_addr_msg(vf
, msg
, msglen
);
2574 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
2575 ret
= i40e_vc_del_mac_addr_msg(vf
, msg
, msglen
);
2577 case I40E_VIRTCHNL_OP_ADD_VLAN
:
2578 ret
= i40e_vc_add_vlan_msg(vf
, msg
, msglen
);
2580 case I40E_VIRTCHNL_OP_DEL_VLAN
:
2581 ret
= i40e_vc_remove_vlan_msg(vf
, msg
, msglen
);
2583 case I40E_VIRTCHNL_OP_GET_STATS
:
2584 ret
= i40e_vc_get_stats_msg(vf
, msg
, msglen
);
2586 case I40E_VIRTCHNL_OP_IWARP
:
2587 ret
= i40e_vc_iwarp_msg(vf
, msg
, msglen
);
2589 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
:
2590 ret
= i40e_vc_iwarp_qvmap_msg(vf
, msg
, msglen
, true);
2592 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2593 ret
= i40e_vc_iwarp_qvmap_msg(vf
, msg
, msglen
, false);
2595 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
:
2596 ret
= i40e_vc_config_rss_key(vf
, msg
, msglen
);
2598 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
:
2599 ret
= i40e_vc_config_rss_lut(vf
, msg
, msglen
);
2601 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
:
2602 ret
= i40e_vc_get_rss_hena(vf
, msg
, msglen
);
2604 case I40E_VIRTCHNL_OP_SET_RSS_HENA
:
2605 ret
= i40e_vc_set_rss_hena(vf
, msg
, msglen
);
2608 case I40E_VIRTCHNL_OP_UNKNOWN
:
2610 dev_err(&pf
->pdev
->dev
, "Unsupported opcode %d from VF %d\n",
2611 v_opcode
, local_vf_id
);
2612 ret
= i40e_vc_send_resp_to_vf(vf
, v_opcode
,
2613 I40E_ERR_NOT_IMPLEMENTED
);
2621 * i40e_vc_process_vflr_event
2622 * @pf: pointer to the PF structure
2624 * called from the vlfr irq handler to
2625 * free up VF resources and state variables
2627 int i40e_vc_process_vflr_event(struct i40e_pf
*pf
)
2629 struct i40e_hw
*hw
= &pf
->hw
;
2630 u32 reg
, reg_idx
, bit_idx
;
2634 if (!test_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
))
2637 /* Re-enable the VFLR interrupt cause here, before looking for which
2638 * VF got reset. Otherwise, if another VF gets a reset while the
2639 * first one is being processed, that interrupt will be lost, and
2640 * that VF will be stuck in reset forever.
2642 reg
= rd32(hw
, I40E_PFINT_ICR0_ENA
);
2643 reg
|= I40E_PFINT_ICR0_ENA_VFLR_MASK
;
2644 wr32(hw
, I40E_PFINT_ICR0_ENA
, reg
);
2647 clear_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
);
2648 for (vf_id
= 0; vf_id
< pf
->num_alloc_vfs
; vf_id
++) {
2649 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
2650 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
2651 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2652 vf
= &pf
->vf
[vf_id
];
2653 reg
= rd32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
));
2654 if (reg
& BIT(bit_idx
))
2655 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2656 i40e_reset_vf(vf
, true);
2663 * i40e_ndo_set_vf_mac
2664 * @netdev: network interface device structure
2665 * @vf_id: VF identifier
2668 * program VF mac address
2670 int i40e_ndo_set_vf_mac(struct net_device
*netdev
, int vf_id
, u8
*mac
)
2672 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2673 struct i40e_vsi
*vsi
= np
->vsi
;
2674 struct i40e_pf
*pf
= vsi
->back
;
2675 struct i40e_mac_filter
*f
;
2679 /* validate the request */
2680 if (vf_id
>= pf
->num_alloc_vfs
) {
2681 dev_err(&pf
->pdev
->dev
,
2682 "Invalid VF Identifier %d\n", vf_id
);
2687 vf
= &(pf
->vf
[vf_id
]);
2688 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2689 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2690 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2696 if (is_multicast_ether_addr(mac
)) {
2697 dev_err(&pf
->pdev
->dev
,
2698 "Invalid Ethernet address %pM for VF %d\n", mac
, vf_id
);
2703 /* Lock once because below invoked function add/del_filter requires
2704 * mac_filter_list_lock to be held
2706 spin_lock_bh(&vsi
->mac_filter_list_lock
);
2708 /* delete the temporary mac address */
2709 if (!is_zero_ether_addr(vf
->default_lan_addr
.addr
))
2710 i40e_del_filter(vsi
, vf
->default_lan_addr
.addr
,
2711 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
2714 /* Delete all the filters for this VSI - we're going to kill it
2717 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
)
2718 i40e_del_filter(vsi
, f
->macaddr
, f
->vlan
, true, false);
2720 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2722 dev_info(&pf
->pdev
->dev
, "Setting MAC %pM on VF %d\n", mac
, vf_id
);
2723 /* program mac filter */
2724 if (i40e_sync_vsi_filters(vsi
)) {
2725 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
2729 ether_addr_copy(vf
->default_lan_addr
.addr
, mac
);
2730 vf
->pf_set_mac
= true;
2731 /* Force the VF driver stop so it has to reload with new MAC address */
2732 i40e_vc_disable_vf(pf
, vf
);
2733 dev_info(&pf
->pdev
->dev
, "Reload the VF driver to make this change effective.\n");
2740 * i40e_ndo_set_vf_port_vlan
2741 * @netdev: network interface device structure
2742 * @vf_id: VF identifier
2743 * @vlan_id: mac address
2744 * @qos: priority setting
2746 * program VF vlan id and/or qos
2748 int i40e_ndo_set_vf_port_vlan(struct net_device
*netdev
,
2749 int vf_id
, u16 vlan_id
, u8 qos
)
2751 u16 vlanprio
= vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
);
2752 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2753 struct i40e_pf
*pf
= np
->vsi
->back
;
2754 bool is_vsi_in_vlan
= false;
2755 struct i40e_vsi
*vsi
;
2759 /* validate the request */
2760 if (vf_id
>= pf
->num_alloc_vfs
) {
2761 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2766 if ((vlan_id
> I40E_MAX_VLANID
) || (qos
> 7)) {
2767 dev_err(&pf
->pdev
->dev
, "Invalid VF Parameters\n");
2772 vf
= &(pf
->vf
[vf_id
]);
2773 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2774 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2775 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2781 if (le16_to_cpu(vsi
->info
.pvid
) == vlanprio
)
2782 /* duplicate request, so just return success */
2785 spin_lock_bh(&vsi
->mac_filter_list_lock
);
2786 is_vsi_in_vlan
= i40e_is_vsi_in_vlan(vsi
);
2787 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2789 if (le16_to_cpu(vsi
->info
.pvid
) == 0 && is_vsi_in_vlan
) {
2790 dev_err(&pf
->pdev
->dev
,
2791 "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n",
2793 /* Administrator Error - knock the VF offline until he does
2794 * the right thing by reconfiguring his network correctly
2795 * and then reloading the VF driver.
2797 i40e_vc_disable_vf(pf
, vf
);
2798 /* During reset the VF got a new VSI, so refresh the pointer. */
2799 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2802 /* Check for condition where there was already a port VLAN ID
2803 * filter set and now it is being deleted by setting it to zero.
2804 * Additionally check for the condition where there was a port
2805 * VLAN but now there is a new and different port VLAN being set.
2806 * Before deleting all the old VLAN filters we must add new ones
2807 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2808 * MAC addresses deleted.
2810 if ((!(vlan_id
|| qos
) ||
2811 vlanprio
!= le16_to_cpu(vsi
->info
.pvid
)) &&
2813 ret
= i40e_vsi_add_vlan(vsi
, I40E_VLAN_ANY
);
2815 if (vsi
->info
.pvid
) {
2817 ret
= i40e_vsi_kill_vlan(vsi
, (le16_to_cpu(vsi
->info
.pvid
) &
2820 dev_info(&vsi
->back
->pdev
->dev
,
2821 "remove VLAN failed, ret=%d, aq_err=%d\n",
2822 ret
, pf
->hw
.aq
.asq_last_status
);
2826 ret
= i40e_vsi_add_pvid(vsi
, vlanprio
);
2828 i40e_vsi_remove_pvid(vsi
);
2831 dev_info(&pf
->pdev
->dev
, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2832 vlan_id
, qos
, vf_id
);
2834 /* add new VLAN filter */
2835 ret
= i40e_vsi_add_vlan(vsi
, vlan_id
);
2837 dev_info(&vsi
->back
->pdev
->dev
,
2838 "add VF VLAN failed, ret=%d aq_err=%d\n", ret
,
2839 vsi
->back
->hw
.aq
.asq_last_status
);
2842 /* Kill non-vlan MAC filters - ignore error return since
2843 * there might not be any non-vlan MAC filters.
2845 i40e_vsi_kill_vlan(vsi
, I40E_VLAN_ANY
);
2849 dev_err(&pf
->pdev
->dev
, "Unable to update VF vsi context\n");
2852 /* The Port VLAN needs to be saved across resets the same as the
2853 * default LAN MAC address.
2855 vf
->port_vlan_id
= le16_to_cpu(vsi
->info
.pvid
);
2862 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2863 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2865 * i40e_ndo_set_vf_bw
2866 * @netdev: network interface device structure
2867 * @vf_id: VF identifier
2870 * configure VF Tx rate
2872 int i40e_ndo_set_vf_bw(struct net_device
*netdev
, int vf_id
, int min_tx_rate
,
2875 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2876 struct i40e_pf
*pf
= np
->vsi
->back
;
2877 struct i40e_vsi
*vsi
;
2882 /* validate the request */
2883 if (vf_id
>= pf
->num_alloc_vfs
) {
2884 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d.\n", vf_id
);
2890 dev_err(&pf
->pdev
->dev
, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2891 min_tx_rate
, vf_id
);
2895 vf
= &(pf
->vf
[vf_id
]);
2896 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2897 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2898 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2904 switch (pf
->hw
.phy
.link_info
.link_speed
) {
2905 case I40E_LINK_SPEED_40GB
:
2908 case I40E_LINK_SPEED_20GB
:
2911 case I40E_LINK_SPEED_10GB
:
2914 case I40E_LINK_SPEED_1GB
:
2921 if (max_tx_rate
> speed
) {
2922 dev_err(&pf
->pdev
->dev
, "Invalid max tx rate %d specified for VF %d.",
2923 max_tx_rate
, vf
->vf_id
);
2928 if ((max_tx_rate
< 50) && (max_tx_rate
> 0)) {
2929 dev_warn(&pf
->pdev
->dev
, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2933 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2934 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
2935 max_tx_rate
/ I40E_BW_CREDIT_DIVISOR
,
2936 I40E_MAX_BW_INACTIVE_ACCUM
, NULL
);
2938 dev_err(&pf
->pdev
->dev
, "Unable to set max tx rate, error code %d.\n",
2943 vf
->tx_rate
= max_tx_rate
;
2949 * i40e_ndo_get_vf_config
2950 * @netdev: network interface device structure
2951 * @vf_id: VF identifier
2952 * @ivi: VF configuration structure
2954 * return VF configuration
2956 int i40e_ndo_get_vf_config(struct net_device
*netdev
,
2957 int vf_id
, struct ifla_vf_info
*ivi
)
2959 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2960 struct i40e_vsi
*vsi
= np
->vsi
;
2961 struct i40e_pf
*pf
= vsi
->back
;
2965 /* validate the request */
2966 if (vf_id
>= pf
->num_alloc_vfs
) {
2967 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2972 vf
= &(pf
->vf
[vf_id
]);
2973 /* first vsi is always the LAN vsi */
2974 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2975 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2976 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2984 ether_addr_copy(ivi
->mac
, vf
->default_lan_addr
.addr
);
2986 ivi
->max_tx_rate
= vf
->tx_rate
;
2987 ivi
->min_tx_rate
= 0;
2988 ivi
->vlan
= le16_to_cpu(vsi
->info
.pvid
) & I40E_VLAN_MASK
;
2989 ivi
->qos
= (le16_to_cpu(vsi
->info
.pvid
) & I40E_PRIORITY_MASK
) >>
2990 I40E_VLAN_PRIORITY_SHIFT
;
2991 if (vf
->link_forced
== false)
2992 ivi
->linkstate
= IFLA_VF_LINK_STATE_AUTO
;
2993 else if (vf
->link_up
== true)
2994 ivi
->linkstate
= IFLA_VF_LINK_STATE_ENABLE
;
2996 ivi
->linkstate
= IFLA_VF_LINK_STATE_DISABLE
;
2997 ivi
->spoofchk
= vf
->spoofchk
;
3005 * i40e_ndo_set_vf_link_state
3006 * @netdev: network interface device structure
3007 * @vf_id: VF identifier
3008 * @link: required link state
3010 * Set the link state of a specified VF, regardless of physical link state
3012 int i40e_ndo_set_vf_link_state(struct net_device
*netdev
, int vf_id
, int link
)
3014 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3015 struct i40e_pf
*pf
= np
->vsi
->back
;
3016 struct i40e_virtchnl_pf_event pfe
;
3017 struct i40e_hw
*hw
= &pf
->hw
;
3022 /* validate the request */
3023 if (vf_id
>= pf
->num_alloc_vfs
) {
3024 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3029 vf
= &pf
->vf
[vf_id
];
3030 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
3032 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
3033 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
3036 case IFLA_VF_LINK_STATE_AUTO
:
3037 vf
->link_forced
= false;
3038 pfe
.event_data
.link_event
.link_status
=
3039 pf
->hw
.phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
3040 pfe
.event_data
.link_event
.link_speed
=
3041 pf
->hw
.phy
.link_info
.link_speed
;
3043 case IFLA_VF_LINK_STATE_ENABLE
:
3044 vf
->link_forced
= true;
3046 pfe
.event_data
.link_event
.link_status
= true;
3047 pfe
.event_data
.link_event
.link_speed
= I40E_LINK_SPEED_40GB
;
3049 case IFLA_VF_LINK_STATE_DISABLE
:
3050 vf
->link_forced
= true;
3051 vf
->link_up
= false;
3052 pfe
.event_data
.link_event
.link_status
= false;
3053 pfe
.event_data
.link_event
.link_speed
= 0;
3059 /* Notify the VF of its new link state */
3060 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
3061 0, (u8
*)&pfe
, sizeof(pfe
), NULL
);
3068 * i40e_ndo_set_vf_spoofchk
3069 * @netdev: network interface device structure
3070 * @vf_id: VF identifier
3071 * @enable: flag to enable or disable feature
3073 * Enable or disable VF spoof checking
3075 int i40e_ndo_set_vf_spoofchk(struct net_device
*netdev
, int vf_id
, bool enable
)
3077 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3078 struct i40e_vsi
*vsi
= np
->vsi
;
3079 struct i40e_pf
*pf
= vsi
->back
;
3080 struct i40e_vsi_context ctxt
;
3081 struct i40e_hw
*hw
= &pf
->hw
;
3085 /* validate the request */
3086 if (vf_id
>= pf
->num_alloc_vfs
) {
3087 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3092 vf
= &(pf
->vf
[vf_id
]);
3093 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
3094 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
3100 if (enable
== vf
->spoofchk
)
3103 vf
->spoofchk
= enable
;
3104 memset(&ctxt
, 0, sizeof(ctxt
));
3105 ctxt
.seid
= pf
->vsi
[vf
->lan_vsi_idx
]->seid
;
3106 ctxt
.pf_num
= pf
->hw
.pf_id
;
3107 ctxt
.info
.valid_sections
= cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID
);
3109 ctxt
.info
.sec_flags
|= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK
|
3110 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK
);
3111 ret
= i40e_aq_update_vsi_params(hw
, &ctxt
, NULL
);
3113 dev_err(&pf
->pdev
->dev
, "Error %d updating VSI parameters\n",
3122 * i40e_ndo_set_vf_trust
3123 * @netdev: network interface device structure of the pf
3124 * @vf_id: VF identifier
3125 * @setting: trust setting
3127 * Enable or disable VF trust setting
3129 int i40e_ndo_set_vf_trust(struct net_device
*netdev
, int vf_id
, bool setting
)
3131 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3132 struct i40e_pf
*pf
= np
->vsi
->back
;
3136 /* validate the request */
3137 if (vf_id
>= pf
->num_alloc_vfs
) {
3138 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3142 if (pf
->flags
& I40E_FLAG_MFP_ENABLED
) {
3143 dev_err(&pf
->pdev
->dev
, "Trusted VF not supported in MFP mode.\n");
3147 vf
= &pf
->vf
[vf_id
];
3151 if (setting
== vf
->trusted
)
3154 vf
->trusted
= setting
;
3155 i40e_vc_notify_vf_reset(vf
);
3156 i40e_reset_vf(vf
, false);
3157 dev_info(&pf
->pdev
->dev
, "VF %u is now %strusted\n",
3158 vf_id
, setting
? "" : "un");