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 /* Do not notify the client during VF init */
995 if (vf
->pf
->num_alloc_vfs
)
996 i40e_notify_client_of_vf_reset(pf
, abs_vf_id
);
999 /* tell the VF the reset is done */
1000 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_VFACTIVE
);
1003 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
1008 * @pf: pointer to the PF structure
1012 void i40e_free_vfs(struct i40e_pf
*pf
)
1014 struct i40e_hw
*hw
= &pf
->hw
;
1015 u32 reg_idx
, bit_idx
;
1020 while (test_and_set_bit(__I40E_VF_DISABLE
, &pf
->state
))
1021 usleep_range(1000, 2000);
1023 i40e_notify_client_of_vf_enable(pf
, 0);
1024 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
1025 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
1026 i40e_vsi_control_rings(pf
->vsi
[pf
->vf
[i
].lan_vsi_idx
],
1029 /* Disable IOV before freeing resources. This lets any VF drivers
1030 * running in the host get themselves cleaned up before we yank
1031 * the carpet out from underneath their feet.
1033 if (!pci_vfs_assigned(pf
->pdev
))
1034 pci_disable_sriov(pf
->pdev
);
1036 dev_warn(&pf
->pdev
->dev
, "VFs are assigned - not disabling SR-IOV\n");
1038 msleep(20); /* let any messages in transit get finished up */
1040 /* free up VF resources */
1041 tmp
= pf
->num_alloc_vfs
;
1042 pf
->num_alloc_vfs
= 0;
1043 for (i
= 0; i
< tmp
; i
++) {
1044 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
1045 i40e_free_vf_res(&pf
->vf
[i
]);
1046 /* disable qp mappings */
1047 i40e_disable_vf_mappings(&pf
->vf
[i
]);
1053 /* This check is for when the driver is unloaded while VFs are
1054 * assigned. Setting the number of VFs to 0 through sysfs is caught
1055 * before this function ever gets called.
1057 if (!pci_vfs_assigned(pf
->pdev
)) {
1058 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1059 * work correctly when SR-IOV gets re-enabled.
1061 for (vf_id
= 0; vf_id
< tmp
; vf_id
++) {
1062 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
1063 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
1064 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
1067 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
1070 #ifdef CONFIG_PCI_IOV
1073 * @pf: pointer to the PF structure
1074 * @num_alloc_vfs: number of VFs to allocate
1076 * allocate VF resources
1078 int i40e_alloc_vfs(struct i40e_pf
*pf
, u16 num_alloc_vfs
)
1080 struct i40e_vf
*vfs
;
1083 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1084 i40e_irq_dynamic_disable_icr0(pf
);
1086 /* Check to see if we're just allocating resources for extant VFs */
1087 if (pci_num_vf(pf
->pdev
) != num_alloc_vfs
) {
1088 ret
= pci_enable_sriov(pf
->pdev
, num_alloc_vfs
);
1090 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1091 pf
->num_alloc_vfs
= 0;
1095 /* allocate memory */
1096 vfs
= kcalloc(num_alloc_vfs
, sizeof(struct i40e_vf
), GFP_KERNEL
);
1103 /* apply default profile */
1104 for (i
= 0; i
< num_alloc_vfs
; i
++) {
1106 vfs
[i
].parent_type
= I40E_SWITCH_ELEMENT_TYPE_VEB
;
1109 /* assign default capabilities */
1110 set_bit(I40E_VIRTCHNL_VF_CAP_L2
, &vfs
[i
].vf_caps
);
1111 vfs
[i
].spoofchk
= true;
1112 /* VF resources get allocated during reset */
1113 i40e_reset_vf(&vfs
[i
], false);
1116 pf
->num_alloc_vfs
= num_alloc_vfs
;
1118 i40e_notify_client_of_vf_enable(pf
, num_alloc_vfs
);
1124 /* Re-enable interrupt 0. */
1125 i40e_irq_dynamic_enable_icr0(pf
, false);
1131 * i40e_pci_sriov_enable
1132 * @pdev: pointer to a pci_dev structure
1133 * @num_vfs: number of VFs to allocate
1135 * Enable or change the number of VFs
1137 static int i40e_pci_sriov_enable(struct pci_dev
*pdev
, int num_vfs
)
1139 #ifdef CONFIG_PCI_IOV
1140 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1141 int pre_existing_vfs
= pci_num_vf(pdev
);
1144 if (test_bit(__I40E_TESTING
, &pf
->state
)) {
1145 dev_warn(&pdev
->dev
,
1146 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1151 if (pre_existing_vfs
&& pre_existing_vfs
!= num_vfs
)
1153 else if (pre_existing_vfs
&& pre_existing_vfs
== num_vfs
)
1156 if (num_vfs
> pf
->num_req_vfs
) {
1157 dev_warn(&pdev
->dev
, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1158 num_vfs
, pf
->num_req_vfs
);
1163 dev_info(&pdev
->dev
, "Allocating %d VFs.\n", num_vfs
);
1164 err
= i40e_alloc_vfs(pf
, num_vfs
);
1166 dev_warn(&pdev
->dev
, "Failed to enable SR-IOV: %d\n", err
);
1180 * i40e_pci_sriov_configure
1181 * @pdev: pointer to a pci_dev structure
1182 * @num_vfs: number of VFs to allocate
1184 * Enable or change the number of VFs. Called when the user updates the number
1187 int i40e_pci_sriov_configure(struct pci_dev
*pdev
, int num_vfs
)
1189 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1192 if (!(pf
->flags
& I40E_FLAG_VEB_MODE_ENABLED
)) {
1193 pf
->flags
|= I40E_FLAG_VEB_MODE_ENABLED
;
1194 i40e_do_reset_safe(pf
,
1195 BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1197 return i40e_pci_sriov_enable(pdev
, num_vfs
);
1200 if (!pci_vfs_assigned(pf
->pdev
)) {
1202 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1203 i40e_do_reset_safe(pf
, BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1205 dev_warn(&pdev
->dev
, "Unable to free VFs because some are assigned to VMs.\n");
1211 /***********************virtual channel routines******************/
1214 * i40e_vc_send_msg_to_vf
1215 * @vf: pointer to the VF info
1216 * @v_opcode: virtual channel opcode
1217 * @v_retval: virtual channel return value
1218 * @msg: pointer to the msg buffer
1219 * @msglen: msg length
1223 static int i40e_vc_send_msg_to_vf(struct i40e_vf
*vf
, u32 v_opcode
,
1224 u32 v_retval
, u8
*msg
, u16 msglen
)
1231 /* validate the request */
1232 if (!vf
|| vf
->vf_id
>= vf
->pf
->num_alloc_vfs
)
1237 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
1239 /* single place to detect unsuccessful return values */
1241 vf
->num_invalid_msgs
++;
1242 dev_info(&pf
->pdev
->dev
, "VF %d failed opcode %d, retval: %d\n",
1243 vf
->vf_id
, v_opcode
, v_retval
);
1244 if (vf
->num_invalid_msgs
>
1245 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED
) {
1246 dev_err(&pf
->pdev
->dev
,
1247 "Number of invalid messages exceeded for VF %d\n",
1249 dev_err(&pf
->pdev
->dev
, "Use PF Control I/F to enable the VF\n");
1250 set_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
1253 vf
->num_valid_msgs
++;
1254 /* reset the invalid counter, if a valid message is received. */
1255 vf
->num_invalid_msgs
= 0;
1258 aq_ret
= i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, v_opcode
, v_retval
,
1261 dev_info(&pf
->pdev
->dev
,
1262 "Unable to send the message to VF %d aq_err %d\n",
1263 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
1271 * i40e_vc_send_resp_to_vf
1272 * @vf: pointer to the VF info
1273 * @opcode: operation code
1274 * @retval: return value
1276 * send resp msg to VF
1278 static int i40e_vc_send_resp_to_vf(struct i40e_vf
*vf
,
1279 enum i40e_virtchnl_ops opcode
,
1282 return i40e_vc_send_msg_to_vf(vf
, opcode
, retval
, NULL
, 0);
1286 * i40e_vc_get_version_msg
1287 * @vf: pointer to the VF info
1289 * called from the VF to request the API version used by the PF
1291 static int i40e_vc_get_version_msg(struct i40e_vf
*vf
, u8
*msg
)
1293 struct i40e_virtchnl_version_info info
= {
1294 I40E_VIRTCHNL_VERSION_MAJOR
, I40E_VIRTCHNL_VERSION_MINOR
1297 vf
->vf_ver
= *(struct i40e_virtchnl_version_info
*)msg
;
1298 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1300 info
.minor
= I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS
;
1301 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_VERSION
,
1302 I40E_SUCCESS
, (u8
*)&info
,
1304 i40e_virtchnl_version_info
));
1308 * i40e_vc_get_vf_resources_msg
1309 * @vf: pointer to the VF info
1310 * @msg: pointer to the msg buffer
1311 * @msglen: msg length
1313 * called from the VF to request its resources
1315 static int i40e_vc_get_vf_resources_msg(struct i40e_vf
*vf
, u8
*msg
)
1317 struct i40e_virtchnl_vf_resource
*vfres
= NULL
;
1318 struct i40e_pf
*pf
= vf
->pf
;
1319 i40e_status aq_ret
= 0;
1320 struct i40e_vsi
*vsi
;
1325 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
1326 aq_ret
= I40E_ERR_PARAM
;
1330 len
= (sizeof(struct i40e_virtchnl_vf_resource
) +
1331 sizeof(struct i40e_virtchnl_vsi_resource
) * num_vsis
);
1333 vfres
= kzalloc(len
, GFP_KERNEL
);
1335 aq_ret
= I40E_ERR_NO_MEMORY
;
1340 vf
->driver_caps
= *(u32
*)msg
;
1342 vf
->driver_caps
= I40E_VIRTCHNL_VF_OFFLOAD_L2
|
1343 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
|
1344 I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1346 vfres
->vf_offload_flags
= I40E_VIRTCHNL_VF_OFFLOAD_L2
;
1347 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1348 if (!vsi
->info
.pvid
)
1349 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1351 if (i40e_vf_client_capable(pf
, vf
->vf_id
, I40E_CLIENT_IWARP
) &&
1352 (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_IWARP
)) {
1353 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_IWARP
;
1354 set_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
);
1357 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF
) {
1358 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF
;
1360 if ((pf
->flags
& I40E_FLAG_RSS_AQ_CAPABLE
) &&
1361 (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
))
1362 vfres
->vf_offload_flags
|=
1363 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
;
1365 vfres
->vf_offload_flags
|=
1366 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
;
1369 if (pf
->flags
& I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE
) {
1370 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2
)
1371 vfres
->vf_offload_flags
|=
1372 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2
;
1375 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING
) {
1376 if (pf
->flags
& I40E_FLAG_MFP_ENABLED
) {
1377 dev_err(&pf
->pdev
->dev
,
1378 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1380 ret
= I40E_ERR_PARAM
;
1383 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING
;
1386 if (pf
->flags
& I40E_FLAG_WB_ON_ITR_CAPABLE
) {
1387 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR
)
1388 vfres
->vf_offload_flags
|=
1389 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR
;
1392 vfres
->num_vsis
= num_vsis
;
1393 vfres
->num_queue_pairs
= vf
->num_queue_pairs
;
1394 vfres
->max_vectors
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
1395 vfres
->rss_key_size
= I40E_HKEY_ARRAY_SIZE
;
1396 vfres
->rss_lut_size
= I40E_VF_HLUT_ARRAY_SIZE
;
1398 if (vf
->lan_vsi_idx
) {
1399 vfres
->vsi_res
[0].vsi_id
= vf
->lan_vsi_id
;
1400 vfres
->vsi_res
[0].vsi_type
= I40E_VSI_SRIOV
;
1401 vfres
->vsi_res
[0].num_queue_pairs
= vsi
->alloc_queue_pairs
;
1402 /* VFs only use TC 0 */
1403 vfres
->vsi_res
[0].qset_handle
1404 = le16_to_cpu(vsi
->info
.qs_handle
[0]);
1405 ether_addr_copy(vfres
->vsi_res
[0].default_mac_addr
,
1406 vf
->default_lan_addr
.addr
);
1408 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
1411 /* send the response back to the VF */
1412 ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
1413 aq_ret
, (u8
*)vfres
, len
);
1420 * i40e_vc_reset_vf_msg
1421 * @vf: pointer to the VF info
1422 * @msg: pointer to the msg buffer
1423 * @msglen: msg length
1425 * called from the VF to reset itself,
1426 * unlike other virtchnl messages, PF driver
1427 * doesn't send the response back to the VF
1429 static void i40e_vc_reset_vf_msg(struct i40e_vf
*vf
)
1431 if (test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
1432 i40e_reset_vf(vf
, false);
1436 * i40e_getnum_vf_vsi_vlan_filters
1437 * @vsi: pointer to the vsi
1439 * called to get the number of VLANs offloaded on this VF
1441 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi
*vsi
)
1443 struct i40e_mac_filter
*f
;
1446 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1447 if (f
->vlan
>= 0 && f
->vlan
<= I40E_MAX_VLANID
)
1455 * i40e_vc_config_promiscuous_mode_msg
1456 * @vf: pointer to the VF info
1457 * @msg: pointer to the msg buffer
1458 * @msglen: msg length
1460 * called from the VF to configure the promiscuous mode of
1463 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf
*vf
,
1464 u8
*msg
, u16 msglen
)
1466 struct i40e_virtchnl_promisc_info
*info
=
1467 (struct i40e_virtchnl_promisc_info
*)msg
;
1468 struct i40e_pf
*pf
= vf
->pf
;
1469 struct i40e_hw
*hw
= &pf
->hw
;
1470 struct i40e_mac_filter
*f
;
1471 i40e_status aq_ret
= 0;
1472 bool allmulti
= false;
1473 struct i40e_vsi
*vsi
;
1474 bool alluni
= false;
1477 vsi
= i40e_find_vsi_from_id(pf
, info
->vsi_id
);
1478 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1479 !i40e_vc_isvalid_vsi_id(vf
, info
->vsi_id
)) {
1480 aq_ret
= I40E_ERR_PARAM
;
1483 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
1484 dev_err(&pf
->pdev
->dev
,
1485 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1487 /* Lie to the VF on purpose. */
1491 /* Multicast promiscuous handling*/
1492 if (info
->flags
& I40E_FLAG_VF_MULTICAST_PROMISC
)
1495 if (vf
->port_vlan_id
) {
1496 aq_ret
= i40e_aq_set_vsi_mc_promisc_on_vlan(hw
, vsi
->seid
,
1500 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi
)) {
1501 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1502 if (f
->vlan
< 0 || f
->vlan
> I40E_MAX_VLANID
)
1504 aq_ret
= i40e_aq_set_vsi_mc_promisc_on_vlan(hw
,
1509 aq_err
= pf
->hw
.aq
.asq_last_status
;
1511 dev_err(&pf
->pdev
->dev
,
1512 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1514 i40e_stat_str(&pf
->hw
, aq_ret
),
1515 i40e_aq_str(&pf
->hw
, aq_err
));
1520 aq_ret
= i40e_aq_set_vsi_multicast_promiscuous(hw
, vsi
->seid
,
1522 aq_err
= pf
->hw
.aq
.asq_last_status
;
1524 dev_err(&pf
->pdev
->dev
,
1525 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1527 i40e_stat_str(&pf
->hw
, aq_ret
),
1528 i40e_aq_str(&pf
->hw
, aq_err
));
1529 goto error_param_int
;
1534 dev_info(&pf
->pdev
->dev
,
1535 "VF %d successfully set multicast promiscuous mode\n",
1538 set_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
);
1540 clear_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
);
1543 if (info
->flags
& I40E_FLAG_VF_UNICAST_PROMISC
)
1545 if (vf
->port_vlan_id
) {
1546 aq_ret
= i40e_aq_set_vsi_uc_promisc_on_vlan(hw
, vsi
->seid
,
1550 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi
)) {
1551 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
) {
1553 if (f
->vlan
>= 0 && f
->vlan
<= I40E_MAX_VLANID
) {
1555 i40e_aq_set_vsi_uc_promisc_on_vlan(hw
,
1560 aq_err
= pf
->hw
.aq
.asq_last_status
;
1563 dev_err(&pf
->pdev
->dev
,
1564 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1566 i40e_stat_str(&pf
->hw
, aq_ret
),
1567 i40e_aq_str(&pf
->hw
, aq_err
));
1570 aq_ret
= i40e_aq_set_vsi_unicast_promiscuous(hw
, vsi
->seid
,
1573 aq_err
= pf
->hw
.aq
.asq_last_status
;
1575 dev_err(&pf
->pdev
->dev
,
1576 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1577 vf
->vf_id
, info
->flags
,
1578 i40e_stat_str(&pf
->hw
, aq_ret
),
1579 i40e_aq_str(&pf
->hw
, aq_err
));
1584 dev_info(&pf
->pdev
->dev
,
1585 "VF %d successfully set unicast promiscuous mode\n",
1588 set_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
);
1590 clear_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
);
1594 /* send the response to the VF */
1595 return i40e_vc_send_resp_to_vf(vf
,
1596 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
1601 * i40e_vc_config_queues_msg
1602 * @vf: pointer to the VF info
1603 * @msg: pointer to the msg buffer
1604 * @msglen: msg length
1606 * called from the VF to configure the rx/tx
1609 static int i40e_vc_config_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1611 struct i40e_virtchnl_vsi_queue_config_info
*qci
=
1612 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1613 struct i40e_virtchnl_queue_pair_info
*qpi
;
1614 struct i40e_pf
*pf
= vf
->pf
;
1615 u16 vsi_id
, vsi_queue_id
;
1616 i40e_status aq_ret
= 0;
1619 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1620 aq_ret
= I40E_ERR_PARAM
;
1624 vsi_id
= qci
->vsi_id
;
1625 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1626 aq_ret
= I40E_ERR_PARAM
;
1629 for (i
= 0; i
< qci
->num_queue_pairs
; i
++) {
1630 qpi
= &qci
->qpair
[i
];
1631 vsi_queue_id
= qpi
->txq
.queue_id
;
1632 if ((qpi
->txq
.vsi_id
!= vsi_id
) ||
1633 (qpi
->rxq
.vsi_id
!= vsi_id
) ||
1634 (qpi
->rxq
.queue_id
!= vsi_queue_id
) ||
1635 !i40e_vc_isvalid_queue_id(vf
, vsi_id
, vsi_queue_id
)) {
1636 aq_ret
= I40E_ERR_PARAM
;
1640 if (i40e_config_vsi_rx_queue(vf
, vsi_id
, vsi_queue_id
,
1642 i40e_config_vsi_tx_queue(vf
, vsi_id
, vsi_queue_id
,
1644 aq_ret
= I40E_ERR_PARAM
;
1648 /* set vsi num_queue_pairs in use to num configured by VF */
1649 pf
->vsi
[vf
->lan_vsi_idx
]->num_queue_pairs
= qci
->num_queue_pairs
;
1652 /* send the response to the VF */
1653 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
1658 * i40e_vc_config_irq_map_msg
1659 * @vf: pointer to the VF info
1660 * @msg: pointer to the msg buffer
1661 * @msglen: msg length
1663 * called from the VF to configure the irq to
1666 static int i40e_vc_config_irq_map_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1668 struct i40e_virtchnl_irq_map_info
*irqmap_info
=
1669 (struct i40e_virtchnl_irq_map_info
*)msg
;
1670 struct i40e_virtchnl_vector_map
*map
;
1671 u16 vsi_id
, vsi_queue_id
, vector_id
;
1672 i40e_status aq_ret
= 0;
1673 unsigned long tempmap
;
1676 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1677 aq_ret
= I40E_ERR_PARAM
;
1681 for (i
= 0; i
< irqmap_info
->num_vectors
; i
++) {
1682 map
= &irqmap_info
->vecmap
[i
];
1684 vector_id
= map
->vector_id
;
1685 vsi_id
= map
->vsi_id
;
1686 /* validate msg params */
1687 if (!i40e_vc_isvalid_vector_id(vf
, vector_id
) ||
1688 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1689 aq_ret
= I40E_ERR_PARAM
;
1693 /* lookout for the invalid queue index */
1694 tempmap
= map
->rxq_map
;
1695 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1696 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1698 aq_ret
= I40E_ERR_PARAM
;
1703 tempmap
= map
->txq_map
;
1704 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1705 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1707 aq_ret
= I40E_ERR_PARAM
;
1712 i40e_config_irq_link_list(vf
, vsi_id
, map
);
1715 /* send the response to the VF */
1716 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
1721 * i40e_vc_enable_queues_msg
1722 * @vf: pointer to the VF info
1723 * @msg: pointer to the msg buffer
1724 * @msglen: msg length
1726 * called from the VF to enable all or specific queue(s)
1728 static int i40e_vc_enable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1730 struct i40e_virtchnl_queue_select
*vqs
=
1731 (struct i40e_virtchnl_queue_select
*)msg
;
1732 struct i40e_pf
*pf
= vf
->pf
;
1733 u16 vsi_id
= vqs
->vsi_id
;
1734 i40e_status aq_ret
= 0;
1736 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1737 aq_ret
= I40E_ERR_PARAM
;
1741 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1742 aq_ret
= I40E_ERR_PARAM
;
1746 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1747 aq_ret
= I40E_ERR_PARAM
;
1751 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], true))
1752 aq_ret
= I40E_ERR_TIMEOUT
;
1754 /* send the response to the VF */
1755 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
1760 * i40e_vc_disable_queues_msg
1761 * @vf: pointer to the VF info
1762 * @msg: pointer to the msg buffer
1763 * @msglen: msg length
1765 * called from the VF to disable all or specific
1768 static int i40e_vc_disable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1770 struct i40e_virtchnl_queue_select
*vqs
=
1771 (struct i40e_virtchnl_queue_select
*)msg
;
1772 struct i40e_pf
*pf
= vf
->pf
;
1773 i40e_status aq_ret
= 0;
1775 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1776 aq_ret
= I40E_ERR_PARAM
;
1780 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1781 aq_ret
= I40E_ERR_PARAM
;
1785 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1786 aq_ret
= I40E_ERR_PARAM
;
1790 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false))
1791 aq_ret
= I40E_ERR_TIMEOUT
;
1794 /* send the response to the VF */
1795 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
1800 * i40e_vc_get_stats_msg
1801 * @vf: pointer to the VF info
1802 * @msg: pointer to the msg buffer
1803 * @msglen: msg length
1805 * called from the VF to get vsi stats
1807 static int i40e_vc_get_stats_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1809 struct i40e_virtchnl_queue_select
*vqs
=
1810 (struct i40e_virtchnl_queue_select
*)msg
;
1811 struct i40e_pf
*pf
= vf
->pf
;
1812 struct i40e_eth_stats stats
;
1813 i40e_status aq_ret
= 0;
1814 struct i40e_vsi
*vsi
;
1816 memset(&stats
, 0, sizeof(struct i40e_eth_stats
));
1818 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1819 aq_ret
= I40E_ERR_PARAM
;
1823 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1824 aq_ret
= I40E_ERR_PARAM
;
1828 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1830 aq_ret
= I40E_ERR_PARAM
;
1833 i40e_update_eth_stats(vsi
);
1834 stats
= vsi
->eth_stats
;
1837 /* send the response back to the VF */
1838 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_STATS
, aq_ret
,
1839 (u8
*)&stats
, sizeof(stats
));
1842 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1843 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1844 #define I40E_VC_MAX_VLAN_PER_VF 8
1847 * i40e_check_vf_permission
1848 * @vf: pointer to the VF info
1849 * @macaddr: pointer to the MAC Address being checked
1851 * Check if the VF has permission to add or delete unicast MAC address
1852 * filters and return error code -EPERM if not. Then check if the
1853 * address filter requested is broadcast or zero and if so return
1854 * an invalid MAC address error code.
1856 static inline int i40e_check_vf_permission(struct i40e_vf
*vf
, u8
*macaddr
)
1858 struct i40e_pf
*pf
= vf
->pf
;
1861 if (is_broadcast_ether_addr(macaddr
) ||
1862 is_zero_ether_addr(macaddr
)) {
1863 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n", macaddr
);
1864 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1865 } else if (vf
->pf_set_mac
&& !is_multicast_ether_addr(macaddr
) &&
1866 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) &&
1867 !ether_addr_equal(macaddr
, vf
->default_lan_addr
.addr
)) {
1868 /* If the host VMM administrator has set the VF MAC address
1869 * administratively via the ndo_set_vf_mac command then deny
1870 * permission to the VF to add or delete unicast MAC addresses.
1871 * Unless the VF is privileged and then it can do whatever.
1872 * The VF may request to set the MAC address filter already
1873 * assigned to it so do not return an error in that case.
1875 dev_err(&pf
->pdev
->dev
,
1876 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1878 } else if ((vf
->num_mac
>= I40E_VC_MAX_MAC_ADDR_PER_VF
) &&
1879 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
1880 dev_err(&pf
->pdev
->dev
,
1881 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1888 * i40e_vc_add_mac_addr_msg
1889 * @vf: pointer to the VF info
1890 * @msg: pointer to the msg buffer
1891 * @msglen: msg length
1893 * add guest mac address filter
1895 static int i40e_vc_add_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1897 struct i40e_virtchnl_ether_addr_list
*al
=
1898 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1899 struct i40e_pf
*pf
= vf
->pf
;
1900 struct i40e_vsi
*vsi
= NULL
;
1901 u16 vsi_id
= al
->vsi_id
;
1902 i40e_status ret
= 0;
1905 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1906 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1907 ret
= I40E_ERR_PARAM
;
1911 for (i
= 0; i
< al
->num_elements
; i
++) {
1912 ret
= i40e_check_vf_permission(vf
, al
->list
[i
].addr
);
1916 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1918 /* Lock once, because all function inside for loop accesses VSI's
1919 * MAC filter list which needs to be protected using same lock.
1921 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1923 /* add new addresses to the list */
1924 for (i
= 0; i
< al
->num_elements
; i
++) {
1925 struct i40e_mac_filter
*f
;
1927 f
= i40e_find_mac(vsi
, al
->list
[i
].addr
, true, false);
1929 if (i40e_is_vsi_in_vlan(vsi
))
1930 f
= i40e_put_mac_in_vlan(vsi
, al
->list
[i
].addr
,
1933 f
= i40e_add_filter(vsi
, al
->list
[i
].addr
, -1,
1938 dev_err(&pf
->pdev
->dev
,
1939 "Unable to add MAC filter %pM for VF %d\n",
1940 al
->list
[i
].addr
, vf
->vf_id
);
1941 ret
= I40E_ERR_PARAM
;
1942 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1948 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
1950 /* program the updated filter list */
1951 ret
= i40e_sync_vsi_filters(vsi
);
1953 dev_err(&pf
->pdev
->dev
, "Unable to program VF %d MAC filters, error %d\n",
1957 /* send the response to the VF */
1958 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
1963 * i40e_vc_del_mac_addr_msg
1964 * @vf: pointer to the VF info
1965 * @msg: pointer to the msg buffer
1966 * @msglen: msg length
1968 * remove guest mac address filter
1970 static int i40e_vc_del_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1972 struct i40e_virtchnl_ether_addr_list
*al
=
1973 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1974 struct i40e_pf
*pf
= vf
->pf
;
1975 struct i40e_vsi
*vsi
= NULL
;
1976 u16 vsi_id
= al
->vsi_id
;
1977 i40e_status ret
= 0;
1980 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1981 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1982 ret
= I40E_ERR_PARAM
;
1986 for (i
= 0; i
< al
->num_elements
; i
++) {
1987 if (is_broadcast_ether_addr(al
->list
[i
].addr
) ||
1988 is_zero_ether_addr(al
->list
[i
].addr
)) {
1989 dev_err(&pf
->pdev
->dev
, "Invalid MAC addr %pM for VF %d\n",
1990 al
->list
[i
].addr
, vf
->vf_id
);
1991 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1995 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1997 spin_lock_bh(&vsi
->mac_filter_list_lock
);
1998 /* delete addresses from the list */
1999 for (i
= 0; i
< al
->num_elements
; i
++)
2000 if (i40e_del_mac_all_vlan(vsi
, al
->list
[i
].addr
, true, false)) {
2001 ret
= I40E_ERR_INVALID_MAC_ADDR
;
2002 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2008 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2010 /* program the updated filter list */
2011 ret
= i40e_sync_vsi_filters(vsi
);
2013 dev_err(&pf
->pdev
->dev
, "Unable to program VF %d MAC filters, error %d\n",
2017 /* send the response to the VF */
2018 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
2023 * i40e_vc_add_vlan_msg
2024 * @vf: pointer to the VF info
2025 * @msg: pointer to the msg buffer
2026 * @msglen: msg length
2028 * program guest vlan id
2030 static int i40e_vc_add_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2032 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2033 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2034 struct i40e_pf
*pf
= vf
->pf
;
2035 struct i40e_vsi
*vsi
= NULL
;
2036 u16 vsi_id
= vfl
->vsi_id
;
2037 i40e_status aq_ret
= 0;
2040 if ((vf
->num_vlan
>= I40E_VC_MAX_VLAN_PER_VF
) &&
2041 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
)) {
2042 dev_err(&pf
->pdev
->dev
,
2043 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2046 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2047 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
2048 aq_ret
= I40E_ERR_PARAM
;
2052 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2053 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
2054 aq_ret
= I40E_ERR_PARAM
;
2055 dev_err(&pf
->pdev
->dev
,
2056 "invalid VF VLAN id %d\n", vfl
->vlan_id
[i
]);
2060 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2061 if (vsi
->info
.pvid
) {
2062 aq_ret
= I40E_ERR_PARAM
;
2066 i40e_vlan_stripping_enable(vsi
);
2067 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2068 /* add new VLAN filter */
2069 int ret
= i40e_vsi_add_vlan(vsi
, vfl
->vlan_id
[i
]);
2073 if (test_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
))
2074 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2078 if (test_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
))
2079 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2085 dev_err(&pf
->pdev
->dev
,
2086 "Unable to add VLAN filter %d for VF %d, error %d\n",
2087 vfl
->vlan_id
[i
], vf
->vf_id
, ret
);
2091 /* send the response to the VF */
2092 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_VLAN
, aq_ret
);
2096 * i40e_vc_remove_vlan_msg
2097 * @vf: pointer to the VF info
2098 * @msg: pointer to the msg buffer
2099 * @msglen: msg length
2101 * remove programmed guest vlan id
2103 static int i40e_vc_remove_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2105 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2106 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2107 struct i40e_pf
*pf
= vf
->pf
;
2108 struct i40e_vsi
*vsi
= NULL
;
2109 u16 vsi_id
= vfl
->vsi_id
;
2110 i40e_status aq_ret
= 0;
2113 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2114 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
2115 aq_ret
= I40E_ERR_PARAM
;
2119 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2120 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
2121 aq_ret
= I40E_ERR_PARAM
;
2126 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2127 if (vsi
->info
.pvid
) {
2128 aq_ret
= I40E_ERR_PARAM
;
2132 for (i
= 0; i
< vfl
->num_elements
; i
++) {
2133 int ret
= i40e_vsi_kill_vlan(vsi
, vfl
->vlan_id
[i
]);
2137 if (test_bit(I40E_VF_STAT_UC_PROMISC
, &vf
->vf_states
))
2138 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2142 if (test_bit(I40E_VF_STAT_MC_PROMISC
, &vf
->vf_states
))
2143 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf
->hw
, vsi
->seid
,
2149 dev_err(&pf
->pdev
->dev
,
2150 "Unable to delete VLAN filter %d for VF %d, error %d\n",
2151 vfl
->vlan_id
[i
], vf
->vf_id
, ret
);
2155 /* send the response to the VF */
2156 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_VLAN
, aq_ret
);
2161 * @vf: pointer to the VF info
2162 * @msg: pointer to the msg buffer
2163 * @msglen: msg length
2165 * called from the VF for the iwarp msgs
2167 static int i40e_vc_iwarp_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2169 struct i40e_pf
*pf
= vf
->pf
;
2170 int abs_vf_id
= vf
->vf_id
+ pf
->hw
.func_caps
.vf_base_id
;
2171 i40e_status aq_ret
= 0;
2173 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2174 !test_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
)) {
2175 aq_ret
= I40E_ERR_PARAM
;
2179 i40e_notify_client_of_vf_msg(pf
->vsi
[pf
->lan_vsi
], abs_vf_id
,
2183 /* send the response to the VF */
2184 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_IWARP
,
2189 * i40e_vc_iwarp_qvmap_msg
2190 * @vf: pointer to the VF info
2191 * @msg: pointer to the msg buffer
2192 * @msglen: msg length
2193 * @config: config qvmap or release it
2195 * called from the VF for the iwarp msgs
2197 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
,
2200 struct i40e_virtchnl_iwarp_qvlist_info
*qvlist_info
=
2201 (struct i40e_virtchnl_iwarp_qvlist_info
*)msg
;
2202 i40e_status aq_ret
= 0;
2204 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2205 !test_bit(I40E_VF_STAT_IWARPENA
, &vf
->vf_states
)) {
2206 aq_ret
= I40E_ERR_PARAM
;
2211 if (i40e_config_iwarp_qvlist(vf
, qvlist_info
))
2212 aq_ret
= I40E_ERR_PARAM
;
2214 i40e_release_iwarp_qvlist(vf
);
2218 /* send the response to the VF */
2219 return i40e_vc_send_resp_to_vf(vf
,
2220 config
? I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2221 I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
,
2226 * i40e_vc_config_rss_key
2227 * @vf: pointer to the VF info
2228 * @msg: pointer to the msg buffer
2229 * @msglen: msg length
2231 * Configure the VF's RSS key
2233 static int i40e_vc_config_rss_key(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2235 struct i40e_virtchnl_rss_key
*vrk
=
2236 (struct i40e_virtchnl_rss_key
*)msg
;
2237 struct i40e_pf
*pf
= vf
->pf
;
2238 struct i40e_vsi
*vsi
= NULL
;
2239 u16 vsi_id
= vrk
->vsi_id
;
2240 i40e_status aq_ret
= 0;
2242 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2243 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
) ||
2244 (vrk
->key_len
!= I40E_HKEY_ARRAY_SIZE
)) {
2245 aq_ret
= I40E_ERR_PARAM
;
2249 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2250 aq_ret
= i40e_config_rss(vsi
, vrk
->key
, NULL
, 0);
2252 /* send the response to the VF */
2253 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
,
2258 * i40e_vc_config_rss_lut
2259 * @vf: pointer to the VF info
2260 * @msg: pointer to the msg buffer
2261 * @msglen: msg length
2263 * Configure the VF's RSS LUT
2265 static int i40e_vc_config_rss_lut(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2267 struct i40e_virtchnl_rss_lut
*vrl
=
2268 (struct i40e_virtchnl_rss_lut
*)msg
;
2269 struct i40e_pf
*pf
= vf
->pf
;
2270 struct i40e_vsi
*vsi
= NULL
;
2271 u16 vsi_id
= vrl
->vsi_id
;
2272 i40e_status aq_ret
= 0;
2274 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
2275 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
) ||
2276 (vrl
->lut_entries
!= I40E_VF_HLUT_ARRAY_SIZE
)) {
2277 aq_ret
= I40E_ERR_PARAM
;
2281 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2282 aq_ret
= i40e_config_rss(vsi
, NULL
, vrl
->lut
, I40E_VF_HLUT_ARRAY_SIZE
);
2283 /* send the response to the VF */
2285 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
,
2290 * i40e_vc_get_rss_hena
2291 * @vf: pointer to the VF info
2292 * @msg: pointer to the msg buffer
2293 * @msglen: msg length
2295 * Return the RSS HENA bits allowed by the hardware
2297 static int i40e_vc_get_rss_hena(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2299 struct i40e_virtchnl_rss_hena
*vrh
= NULL
;
2300 struct i40e_pf
*pf
= vf
->pf
;
2301 i40e_status aq_ret
= 0;
2304 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
2305 aq_ret
= I40E_ERR_PARAM
;
2308 len
= sizeof(struct i40e_virtchnl_rss_hena
);
2310 vrh
= kzalloc(len
, GFP_KERNEL
);
2312 aq_ret
= I40E_ERR_NO_MEMORY
;
2316 vrh
->hena
= i40e_pf_get_default_rss_hena(pf
);
2318 /* send the response back to the VF */
2319 aq_ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
,
2320 aq_ret
, (u8
*)vrh
, len
);
2326 * i40e_vc_set_rss_hena
2327 * @vf: pointer to the VF info
2328 * @msg: pointer to the msg buffer
2329 * @msglen: msg length
2331 * Set the RSS HENA bits for the VF
2333 static int i40e_vc_set_rss_hena(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
2335 struct i40e_virtchnl_rss_hena
*vrh
=
2336 (struct i40e_virtchnl_rss_hena
*)msg
;
2337 struct i40e_pf
*pf
= vf
->pf
;
2338 struct i40e_hw
*hw
= &pf
->hw
;
2339 i40e_status aq_ret
= 0;
2341 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
2342 aq_ret
= I40E_ERR_PARAM
;
2345 i40e_write_rx_ctl(hw
, I40E_VFQF_HENA1(0, vf
->vf_id
), (u32
)vrh
->hena
);
2346 i40e_write_rx_ctl(hw
, I40E_VFQF_HENA1(1, vf
->vf_id
),
2347 (u32
)(vrh
->hena
>> 32));
2349 /* send the response to the VF */
2351 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_SET_RSS_HENA
,
2356 * i40e_vc_validate_vf_msg
2357 * @vf: pointer to the VF info
2358 * @msg: pointer to the msg buffer
2359 * @msglen: msg length
2360 * @msghndl: msg handle
2364 static int i40e_vc_validate_vf_msg(struct i40e_vf
*vf
, u32 v_opcode
,
2365 u32 v_retval
, u8
*msg
, u16 msglen
)
2367 bool err_msg_format
= false;
2370 /* Check if VF is disabled. */
2371 if (test_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
))
2372 return I40E_ERR_PARAM
;
2374 /* Validate message length. */
2376 case I40E_VIRTCHNL_OP_VERSION
:
2377 valid_len
= sizeof(struct i40e_virtchnl_version_info
);
2379 case I40E_VIRTCHNL_OP_RESET_VF
:
2381 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
2383 valid_len
= sizeof(u32
);
2385 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE
:
2386 valid_len
= sizeof(struct i40e_virtchnl_txq_info
);
2388 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE
:
2389 valid_len
= sizeof(struct i40e_virtchnl_rxq_info
);
2391 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
2392 valid_len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
);
2393 if (msglen
>= valid_len
) {
2394 struct i40e_virtchnl_vsi_queue_config_info
*vqc
=
2395 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
2396 valid_len
+= (vqc
->num_queue_pairs
*
2398 i40e_virtchnl_queue_pair_info
));
2399 if (vqc
->num_queue_pairs
== 0)
2400 err_msg_format
= true;
2403 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
2404 valid_len
= sizeof(struct i40e_virtchnl_irq_map_info
);
2405 if (msglen
>= valid_len
) {
2406 struct i40e_virtchnl_irq_map_info
*vimi
=
2407 (struct i40e_virtchnl_irq_map_info
*)msg
;
2408 valid_len
+= (vimi
->num_vectors
*
2409 sizeof(struct i40e_virtchnl_vector_map
));
2410 if (vimi
->num_vectors
== 0)
2411 err_msg_format
= true;
2414 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
2415 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
2416 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
2418 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
2419 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
2420 valid_len
= sizeof(struct i40e_virtchnl_ether_addr_list
);
2421 if (msglen
>= valid_len
) {
2422 struct i40e_virtchnl_ether_addr_list
*veal
=
2423 (struct i40e_virtchnl_ether_addr_list
*)msg
;
2424 valid_len
+= veal
->num_elements
*
2425 sizeof(struct i40e_virtchnl_ether_addr
);
2426 if (veal
->num_elements
== 0)
2427 err_msg_format
= true;
2430 case I40E_VIRTCHNL_OP_ADD_VLAN
:
2431 case I40E_VIRTCHNL_OP_DEL_VLAN
:
2432 valid_len
= sizeof(struct i40e_virtchnl_vlan_filter_list
);
2433 if (msglen
>= valid_len
) {
2434 struct i40e_virtchnl_vlan_filter_list
*vfl
=
2435 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
2436 valid_len
+= vfl
->num_elements
* sizeof(u16
);
2437 if (vfl
->num_elements
== 0)
2438 err_msg_format
= true;
2441 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
2442 valid_len
= sizeof(struct i40e_virtchnl_promisc_info
);
2444 case I40E_VIRTCHNL_OP_GET_STATS
:
2445 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
2447 case I40E_VIRTCHNL_OP_IWARP
:
2448 /* These messages are opaque to us and will be validated in
2449 * the RDMA client code. We just need to check for nonzero
2450 * length. The firmware will enforce max length restrictions.
2455 err_msg_format
= true;
2457 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2460 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
:
2461 valid_len
= sizeof(struct i40e_virtchnl_iwarp_qvlist_info
);
2462 if (msglen
>= valid_len
) {
2463 struct i40e_virtchnl_iwarp_qvlist_info
*qv
=
2464 (struct i40e_virtchnl_iwarp_qvlist_info
*)msg
;
2465 if (qv
->num_vectors
== 0) {
2466 err_msg_format
= true;
2469 valid_len
+= ((qv
->num_vectors
- 1) *
2470 sizeof(struct i40e_virtchnl_iwarp_qv_info
));
2473 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
:
2474 valid_len
= sizeof(struct i40e_virtchnl_rss_key
);
2475 if (msglen
>= valid_len
) {
2476 struct i40e_virtchnl_rss_key
*vrk
=
2477 (struct i40e_virtchnl_rss_key
*)msg
;
2478 if (vrk
->key_len
!= I40E_HKEY_ARRAY_SIZE
) {
2479 err_msg_format
= true;
2482 valid_len
+= vrk
->key_len
- 1;
2485 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
:
2486 valid_len
= sizeof(struct i40e_virtchnl_rss_lut
);
2487 if (msglen
>= valid_len
) {
2488 struct i40e_virtchnl_rss_lut
*vrl
=
2489 (struct i40e_virtchnl_rss_lut
*)msg
;
2490 if (vrl
->lut_entries
!= I40E_VF_HLUT_ARRAY_SIZE
) {
2491 err_msg_format
= true;
2494 valid_len
+= vrl
->lut_entries
- 1;
2497 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
:
2499 case I40E_VIRTCHNL_OP_SET_RSS_HENA
:
2500 valid_len
= sizeof(struct i40e_virtchnl_rss_hena
);
2502 /* These are always errors coming from the VF. */
2503 case I40E_VIRTCHNL_OP_EVENT
:
2504 case I40E_VIRTCHNL_OP_UNKNOWN
:
2508 /* few more checks */
2509 if ((valid_len
!= msglen
) || (err_msg_format
)) {
2510 i40e_vc_send_resp_to_vf(vf
, v_opcode
, I40E_ERR_PARAM
);
2518 * i40e_vc_process_vf_msg
2519 * @pf: pointer to the PF structure
2520 * @vf_id: source VF id
2521 * @msg: pointer to the msg buffer
2522 * @msglen: msg length
2523 * @msghndl: msg handle
2525 * called from the common aeq/arq handler to
2526 * process request from VF
2528 int i40e_vc_process_vf_msg(struct i40e_pf
*pf
, s16 vf_id
, u32 v_opcode
,
2529 u32 v_retval
, u8
*msg
, u16 msglen
)
2531 struct i40e_hw
*hw
= &pf
->hw
;
2532 int local_vf_id
= vf_id
- (s16
)hw
->func_caps
.vf_base_id
;
2536 pf
->vf_aq_requests
++;
2537 if (local_vf_id
>= pf
->num_alloc_vfs
)
2539 vf
= &(pf
->vf
[local_vf_id
]);
2540 /* perform basic checks on the msg */
2541 ret
= i40e_vc_validate_vf_msg(vf
, v_opcode
, v_retval
, msg
, msglen
);
2544 dev_err(&pf
->pdev
->dev
, "Invalid message from VF %d, opcode %d, len %d\n",
2545 local_vf_id
, v_opcode
, msglen
);
2550 case I40E_VIRTCHNL_OP_VERSION
:
2551 ret
= i40e_vc_get_version_msg(vf
, msg
);
2553 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
2554 ret
= i40e_vc_get_vf_resources_msg(vf
, msg
);
2556 case I40E_VIRTCHNL_OP_RESET_VF
:
2557 i40e_vc_reset_vf_msg(vf
);
2560 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
2561 ret
= i40e_vc_config_promiscuous_mode_msg(vf
, msg
, msglen
);
2563 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
2564 ret
= i40e_vc_config_queues_msg(vf
, msg
, msglen
);
2566 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
2567 ret
= i40e_vc_config_irq_map_msg(vf
, msg
, msglen
);
2569 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
2570 ret
= i40e_vc_enable_queues_msg(vf
, msg
, msglen
);
2571 i40e_vc_notify_vf_link_state(vf
);
2573 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
2574 ret
= i40e_vc_disable_queues_msg(vf
, msg
, msglen
);
2576 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
2577 ret
= i40e_vc_add_mac_addr_msg(vf
, msg
, msglen
);
2579 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
2580 ret
= i40e_vc_del_mac_addr_msg(vf
, msg
, msglen
);
2582 case I40E_VIRTCHNL_OP_ADD_VLAN
:
2583 ret
= i40e_vc_add_vlan_msg(vf
, msg
, msglen
);
2585 case I40E_VIRTCHNL_OP_DEL_VLAN
:
2586 ret
= i40e_vc_remove_vlan_msg(vf
, msg
, msglen
);
2588 case I40E_VIRTCHNL_OP_GET_STATS
:
2589 ret
= i40e_vc_get_stats_msg(vf
, msg
, msglen
);
2591 case I40E_VIRTCHNL_OP_IWARP
:
2592 ret
= i40e_vc_iwarp_msg(vf
, msg
, msglen
);
2594 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
:
2595 ret
= i40e_vc_iwarp_qvmap_msg(vf
, msg
, msglen
, true);
2597 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP
:
2598 ret
= i40e_vc_iwarp_qvmap_msg(vf
, msg
, msglen
, false);
2600 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY
:
2601 ret
= i40e_vc_config_rss_key(vf
, msg
, msglen
);
2603 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT
:
2604 ret
= i40e_vc_config_rss_lut(vf
, msg
, msglen
);
2606 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS
:
2607 ret
= i40e_vc_get_rss_hena(vf
, msg
, msglen
);
2609 case I40E_VIRTCHNL_OP_SET_RSS_HENA
:
2610 ret
= i40e_vc_set_rss_hena(vf
, msg
, msglen
);
2613 case I40E_VIRTCHNL_OP_UNKNOWN
:
2615 dev_err(&pf
->pdev
->dev
, "Unsupported opcode %d from VF %d\n",
2616 v_opcode
, local_vf_id
);
2617 ret
= i40e_vc_send_resp_to_vf(vf
, v_opcode
,
2618 I40E_ERR_NOT_IMPLEMENTED
);
2626 * i40e_vc_process_vflr_event
2627 * @pf: pointer to the PF structure
2629 * called from the vlfr irq handler to
2630 * free up VF resources and state variables
2632 int i40e_vc_process_vflr_event(struct i40e_pf
*pf
)
2634 struct i40e_hw
*hw
= &pf
->hw
;
2635 u32 reg
, reg_idx
, bit_idx
;
2639 if (!test_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
))
2642 /* Re-enable the VFLR interrupt cause here, before looking for which
2643 * VF got reset. Otherwise, if another VF gets a reset while the
2644 * first one is being processed, that interrupt will be lost, and
2645 * that VF will be stuck in reset forever.
2647 reg
= rd32(hw
, I40E_PFINT_ICR0_ENA
);
2648 reg
|= I40E_PFINT_ICR0_ENA_VFLR_MASK
;
2649 wr32(hw
, I40E_PFINT_ICR0_ENA
, reg
);
2652 clear_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
);
2653 for (vf_id
= 0; vf_id
< pf
->num_alloc_vfs
; vf_id
++) {
2654 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
2655 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
2656 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2657 vf
= &pf
->vf
[vf_id
];
2658 reg
= rd32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
));
2659 if (reg
& BIT(bit_idx
))
2660 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2661 i40e_reset_vf(vf
, true);
2668 * i40e_ndo_set_vf_mac
2669 * @netdev: network interface device structure
2670 * @vf_id: VF identifier
2673 * program VF mac address
2675 int i40e_ndo_set_vf_mac(struct net_device
*netdev
, int vf_id
, u8
*mac
)
2677 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2678 struct i40e_vsi
*vsi
= np
->vsi
;
2679 struct i40e_pf
*pf
= vsi
->back
;
2680 struct i40e_mac_filter
*f
;
2684 /* validate the request */
2685 if (vf_id
>= pf
->num_alloc_vfs
) {
2686 dev_err(&pf
->pdev
->dev
,
2687 "Invalid VF Identifier %d\n", vf_id
);
2692 vf
= &(pf
->vf
[vf_id
]);
2693 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2694 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2695 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2701 if (is_multicast_ether_addr(mac
)) {
2702 dev_err(&pf
->pdev
->dev
,
2703 "Invalid Ethernet address %pM for VF %d\n", mac
, vf_id
);
2708 /* Lock once because below invoked function add/del_filter requires
2709 * mac_filter_list_lock to be held
2711 spin_lock_bh(&vsi
->mac_filter_list_lock
);
2713 /* delete the temporary mac address */
2714 if (!is_zero_ether_addr(vf
->default_lan_addr
.addr
))
2715 i40e_del_filter(vsi
, vf
->default_lan_addr
.addr
,
2716 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
2719 /* Delete all the filters for this VSI - we're going to kill it
2722 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
)
2723 i40e_del_filter(vsi
, f
->macaddr
, f
->vlan
, true, false);
2725 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2727 dev_info(&pf
->pdev
->dev
, "Setting MAC %pM on VF %d\n", mac
, vf_id
);
2728 /* program mac filter */
2729 if (i40e_sync_vsi_filters(vsi
)) {
2730 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
2734 ether_addr_copy(vf
->default_lan_addr
.addr
, mac
);
2735 vf
->pf_set_mac
= true;
2736 /* Force the VF driver stop so it has to reload with new MAC address */
2737 i40e_vc_disable_vf(pf
, vf
);
2738 dev_info(&pf
->pdev
->dev
, "Reload the VF driver to make this change effective.\n");
2745 * i40e_ndo_set_vf_port_vlan
2746 * @netdev: network interface device structure
2747 * @vf_id: VF identifier
2748 * @vlan_id: mac address
2749 * @qos: priority setting
2751 * program VF vlan id and/or qos
2753 int i40e_ndo_set_vf_port_vlan(struct net_device
*netdev
,
2754 int vf_id
, u16 vlan_id
, u8 qos
)
2756 u16 vlanprio
= vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
);
2757 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2758 struct i40e_pf
*pf
= np
->vsi
->back
;
2759 bool is_vsi_in_vlan
= false;
2760 struct i40e_vsi
*vsi
;
2764 /* validate the request */
2765 if (vf_id
>= pf
->num_alloc_vfs
) {
2766 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2771 if ((vlan_id
> I40E_MAX_VLANID
) || (qos
> 7)) {
2772 dev_err(&pf
->pdev
->dev
, "Invalid VF Parameters\n");
2777 vf
= &(pf
->vf
[vf_id
]);
2778 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2779 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2780 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2786 if (le16_to_cpu(vsi
->info
.pvid
) == vlanprio
)
2787 /* duplicate request, so just return success */
2790 spin_lock_bh(&vsi
->mac_filter_list_lock
);
2791 is_vsi_in_vlan
= i40e_is_vsi_in_vlan(vsi
);
2792 spin_unlock_bh(&vsi
->mac_filter_list_lock
);
2794 if (le16_to_cpu(vsi
->info
.pvid
) == 0 && is_vsi_in_vlan
) {
2795 dev_err(&pf
->pdev
->dev
,
2796 "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",
2798 /* Administrator Error - knock the VF offline until he does
2799 * the right thing by reconfiguring his network correctly
2800 * and then reloading the VF driver.
2802 i40e_vc_disable_vf(pf
, vf
);
2803 /* During reset the VF got a new VSI, so refresh the pointer. */
2804 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2807 /* Check for condition where there was already a port VLAN ID
2808 * filter set and now it is being deleted by setting it to zero.
2809 * Additionally check for the condition where there was a port
2810 * VLAN but now there is a new and different port VLAN being set.
2811 * Before deleting all the old VLAN filters we must add new ones
2812 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2813 * MAC addresses deleted.
2815 if ((!(vlan_id
|| qos
) ||
2816 vlanprio
!= le16_to_cpu(vsi
->info
.pvid
)) &&
2818 ret
= i40e_vsi_add_vlan(vsi
, I40E_VLAN_ANY
);
2820 if (vsi
->info
.pvid
) {
2822 ret
= i40e_vsi_kill_vlan(vsi
, (le16_to_cpu(vsi
->info
.pvid
) &
2825 dev_info(&vsi
->back
->pdev
->dev
,
2826 "remove VLAN failed, ret=%d, aq_err=%d\n",
2827 ret
, pf
->hw
.aq
.asq_last_status
);
2831 ret
= i40e_vsi_add_pvid(vsi
, vlanprio
);
2833 i40e_vsi_remove_pvid(vsi
);
2836 dev_info(&pf
->pdev
->dev
, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2837 vlan_id
, qos
, vf_id
);
2839 /* add new VLAN filter */
2840 ret
= i40e_vsi_add_vlan(vsi
, vlan_id
);
2842 dev_info(&vsi
->back
->pdev
->dev
,
2843 "add VF VLAN failed, ret=%d aq_err=%d\n", ret
,
2844 vsi
->back
->hw
.aq
.asq_last_status
);
2847 /* Kill non-vlan MAC filters - ignore error return since
2848 * there might not be any non-vlan MAC filters.
2850 i40e_vsi_kill_vlan(vsi
, I40E_VLAN_ANY
);
2854 dev_err(&pf
->pdev
->dev
, "Unable to update VF vsi context\n");
2857 /* The Port VLAN needs to be saved across resets the same as the
2858 * default LAN MAC address.
2860 vf
->port_vlan_id
= le16_to_cpu(vsi
->info
.pvid
);
2867 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2868 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2870 * i40e_ndo_set_vf_bw
2871 * @netdev: network interface device structure
2872 * @vf_id: VF identifier
2875 * configure VF Tx rate
2877 int i40e_ndo_set_vf_bw(struct net_device
*netdev
, int vf_id
, int min_tx_rate
,
2880 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2881 struct i40e_pf
*pf
= np
->vsi
->back
;
2882 struct i40e_vsi
*vsi
;
2887 /* validate the request */
2888 if (vf_id
>= pf
->num_alloc_vfs
) {
2889 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d.\n", vf_id
);
2895 dev_err(&pf
->pdev
->dev
, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2896 min_tx_rate
, vf_id
);
2900 vf
= &(pf
->vf
[vf_id
]);
2901 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2902 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2903 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2909 switch (pf
->hw
.phy
.link_info
.link_speed
) {
2910 case I40E_LINK_SPEED_40GB
:
2913 case I40E_LINK_SPEED_20GB
:
2916 case I40E_LINK_SPEED_10GB
:
2919 case I40E_LINK_SPEED_1GB
:
2926 if (max_tx_rate
> speed
) {
2927 dev_err(&pf
->pdev
->dev
, "Invalid max tx rate %d specified for VF %d.",
2928 max_tx_rate
, vf
->vf_id
);
2933 if ((max_tx_rate
< 50) && (max_tx_rate
> 0)) {
2934 dev_warn(&pf
->pdev
->dev
, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2938 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2939 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
2940 max_tx_rate
/ I40E_BW_CREDIT_DIVISOR
,
2941 I40E_MAX_BW_INACTIVE_ACCUM
, NULL
);
2943 dev_err(&pf
->pdev
->dev
, "Unable to set max tx rate, error code %d.\n",
2948 vf
->tx_rate
= max_tx_rate
;
2954 * i40e_ndo_get_vf_config
2955 * @netdev: network interface device structure
2956 * @vf_id: VF identifier
2957 * @ivi: VF configuration structure
2959 * return VF configuration
2961 int i40e_ndo_get_vf_config(struct net_device
*netdev
,
2962 int vf_id
, struct ifla_vf_info
*ivi
)
2964 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2965 struct i40e_vsi
*vsi
= np
->vsi
;
2966 struct i40e_pf
*pf
= vsi
->back
;
2970 /* validate the request */
2971 if (vf_id
>= pf
->num_alloc_vfs
) {
2972 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2977 vf
= &(pf
->vf
[vf_id
]);
2978 /* first vsi is always the LAN vsi */
2979 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2980 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2981 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
2989 ether_addr_copy(ivi
->mac
, vf
->default_lan_addr
.addr
);
2991 ivi
->max_tx_rate
= vf
->tx_rate
;
2992 ivi
->min_tx_rate
= 0;
2993 ivi
->vlan
= le16_to_cpu(vsi
->info
.pvid
) & I40E_VLAN_MASK
;
2994 ivi
->qos
= (le16_to_cpu(vsi
->info
.pvid
) & I40E_PRIORITY_MASK
) >>
2995 I40E_VLAN_PRIORITY_SHIFT
;
2996 if (vf
->link_forced
== false)
2997 ivi
->linkstate
= IFLA_VF_LINK_STATE_AUTO
;
2998 else if (vf
->link_up
== true)
2999 ivi
->linkstate
= IFLA_VF_LINK_STATE_ENABLE
;
3001 ivi
->linkstate
= IFLA_VF_LINK_STATE_DISABLE
;
3002 ivi
->spoofchk
= vf
->spoofchk
;
3003 ivi
->trusted
= vf
->trusted
;
3011 * i40e_ndo_set_vf_link_state
3012 * @netdev: network interface device structure
3013 * @vf_id: VF identifier
3014 * @link: required link state
3016 * Set the link state of a specified VF, regardless of physical link state
3018 int i40e_ndo_set_vf_link_state(struct net_device
*netdev
, int vf_id
, int link
)
3020 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3021 struct i40e_pf
*pf
= np
->vsi
->back
;
3022 struct i40e_virtchnl_pf_event pfe
;
3023 struct i40e_hw
*hw
= &pf
->hw
;
3028 /* validate the request */
3029 if (vf_id
>= pf
->num_alloc_vfs
) {
3030 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3035 vf
= &pf
->vf
[vf_id
];
3036 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
3038 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
3039 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
3042 case IFLA_VF_LINK_STATE_AUTO
:
3043 vf
->link_forced
= false;
3044 pfe
.event_data
.link_event
.link_status
=
3045 pf
->hw
.phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
3046 pfe
.event_data
.link_event
.link_speed
=
3047 pf
->hw
.phy
.link_info
.link_speed
;
3049 case IFLA_VF_LINK_STATE_ENABLE
:
3050 vf
->link_forced
= true;
3052 pfe
.event_data
.link_event
.link_status
= true;
3053 pfe
.event_data
.link_event
.link_speed
= I40E_LINK_SPEED_40GB
;
3055 case IFLA_VF_LINK_STATE_DISABLE
:
3056 vf
->link_forced
= true;
3057 vf
->link_up
= false;
3058 pfe
.event_data
.link_event
.link_status
= false;
3059 pfe
.event_data
.link_event
.link_speed
= 0;
3065 /* Notify the VF of its new link state */
3066 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
3067 0, (u8
*)&pfe
, sizeof(pfe
), NULL
);
3074 * i40e_ndo_set_vf_spoofchk
3075 * @netdev: network interface device structure
3076 * @vf_id: VF identifier
3077 * @enable: flag to enable or disable feature
3079 * Enable or disable VF spoof checking
3081 int i40e_ndo_set_vf_spoofchk(struct net_device
*netdev
, int vf_id
, bool enable
)
3083 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3084 struct i40e_vsi
*vsi
= np
->vsi
;
3085 struct i40e_pf
*pf
= vsi
->back
;
3086 struct i40e_vsi_context ctxt
;
3087 struct i40e_hw
*hw
= &pf
->hw
;
3091 /* validate the request */
3092 if (vf_id
>= pf
->num_alloc_vfs
) {
3093 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3098 vf
= &(pf
->vf
[vf_id
]);
3099 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
3100 dev_err(&pf
->pdev
->dev
, "VF %d still in reset. Try again.\n",
3106 if (enable
== vf
->spoofchk
)
3109 vf
->spoofchk
= enable
;
3110 memset(&ctxt
, 0, sizeof(ctxt
));
3111 ctxt
.seid
= pf
->vsi
[vf
->lan_vsi_idx
]->seid
;
3112 ctxt
.pf_num
= pf
->hw
.pf_id
;
3113 ctxt
.info
.valid_sections
= cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID
);
3115 ctxt
.info
.sec_flags
|= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK
|
3116 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK
);
3117 ret
= i40e_aq_update_vsi_params(hw
, &ctxt
, NULL
);
3119 dev_err(&pf
->pdev
->dev
, "Error %d updating VSI parameters\n",
3128 * i40e_ndo_set_vf_trust
3129 * @netdev: network interface device structure of the pf
3130 * @vf_id: VF identifier
3131 * @setting: trust setting
3133 * Enable or disable VF trust setting
3135 int i40e_ndo_set_vf_trust(struct net_device
*netdev
, int vf_id
, bool setting
)
3137 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
3138 struct i40e_pf
*pf
= np
->vsi
->back
;
3142 /* validate the request */
3143 if (vf_id
>= pf
->num_alloc_vfs
) {
3144 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
3148 if (pf
->flags
& I40E_FLAG_MFP_ENABLED
) {
3149 dev_err(&pf
->pdev
->dev
, "Trusted VF not supported in MFP mode.\n");
3153 vf
= &pf
->vf
[vf_id
];
3157 if (setting
== vf
->trusted
)
3160 vf
->trusted
= setting
;
3161 i40e_vc_notify_vf_reset(vf
);
3162 i40e_reset_vf(vf
, false);
3163 dev_info(&pf
->pdev
->dev
, "VF %u is now %strusted\n",
3164 vf_id
, setting
? "" : "un");