1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2015 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
+ 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_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
+ 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
+ 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_config_vsi_tx_queue
356 * @vf: pointer to the VF info
357 * @vsi_id: id of VSI as provided by the FW
358 * @vsi_queue_id: vsi relative queue index
359 * @info: config. info
363 static int i40e_config_vsi_tx_queue(struct i40e_vf
*vf
, u16 vsi_id
,
365 struct i40e_virtchnl_txq_info
*info
)
367 struct i40e_pf
*pf
= vf
->pf
;
368 struct i40e_hw
*hw
= &pf
->hw
;
369 struct i40e_hmc_obj_txq tx_ctx
;
370 struct i40e_vsi
*vsi
;
375 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
, vsi_queue_id
);
376 vsi
= i40e_find_vsi_from_id(pf
, vsi_id
);
378 /* clear the context structure first */
379 memset(&tx_ctx
, 0, sizeof(struct i40e_hmc_obj_txq
));
381 /* only set the required fields */
382 tx_ctx
.base
= info
->dma_ring_addr
/ 128;
383 tx_ctx
.qlen
= info
->ring_len
;
384 tx_ctx
.rdylist
= le16_to_cpu(vsi
->info
.qs_handle
[0]);
385 tx_ctx
.rdylist_act
= 0;
386 tx_ctx
.head_wb_ena
= info
->headwb_enabled
;
387 tx_ctx
.head_wb_addr
= info
->dma_headwb_addr
;
389 /* clear the context in the HMC */
390 ret
= i40e_clear_lan_tx_queue_context(hw
, pf_queue_id
);
392 dev_err(&pf
->pdev
->dev
,
393 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
399 /* set the context in the HMC */
400 ret
= i40e_set_lan_tx_queue_context(hw
, pf_queue_id
, &tx_ctx
);
402 dev_err(&pf
->pdev
->dev
,
403 "Failed to set VF LAN Tx queue context %d error: %d\n",
409 /* associate this queue with the PCI VF function */
410 qtx_ctl
= I40E_QTX_CTL_VF_QUEUE
;
411 qtx_ctl
|= ((hw
->pf_id
<< I40E_QTX_CTL_PF_INDX_SHIFT
)
412 & I40E_QTX_CTL_PF_INDX_MASK
);
413 qtx_ctl
|= (((vf
->vf_id
+ hw
->func_caps
.vf_base_id
)
414 << I40E_QTX_CTL_VFVM_INDX_SHIFT
)
415 & I40E_QTX_CTL_VFVM_INDX_MASK
);
416 wr32(hw
, I40E_QTX_CTL(pf_queue_id
), qtx_ctl
);
424 * i40e_config_vsi_rx_queue
425 * @vf: pointer to the VF info
426 * @vsi_id: id of VSI as provided by the FW
427 * @vsi_queue_id: vsi relative queue index
428 * @info: config. info
432 static int i40e_config_vsi_rx_queue(struct i40e_vf
*vf
, u16 vsi_id
,
434 struct i40e_virtchnl_rxq_info
*info
)
436 struct i40e_pf
*pf
= vf
->pf
;
437 struct i40e_hw
*hw
= &pf
->hw
;
438 struct i40e_hmc_obj_rxq rx_ctx
;
442 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_id
, vsi_queue_id
);
444 /* clear the context structure first */
445 memset(&rx_ctx
, 0, sizeof(struct i40e_hmc_obj_rxq
));
447 /* only set the required fields */
448 rx_ctx
.base
= info
->dma_ring_addr
/ 128;
449 rx_ctx
.qlen
= info
->ring_len
;
451 if (info
->splithdr_enabled
) {
452 rx_ctx
.hsplit_0
= I40E_RX_SPLIT_L2
|
454 I40E_RX_SPLIT_TCP_UDP
|
456 /* header length validation */
457 if (info
->hdr_size
> ((2 * 1024) - 64)) {
461 rx_ctx
.hbuff
= info
->hdr_size
>> I40E_RXQ_CTX_HBUFF_SHIFT
;
463 /* set splitalways mode 10b */
467 /* databuffer length validation */
468 if (info
->databuffer_size
> ((16 * 1024) - 128)) {
472 rx_ctx
.dbuff
= info
->databuffer_size
>> I40E_RXQ_CTX_DBUFF_SHIFT
;
474 /* max pkt. length validation */
475 if (info
->max_pkt_size
>= (16 * 1024) || info
->max_pkt_size
< 64) {
479 rx_ctx
.rxmax
= info
->max_pkt_size
;
481 /* enable 32bytes desc always */
485 rx_ctx
.lrxqthresh
= 2;
490 /* clear the context in the HMC */
491 ret
= i40e_clear_lan_rx_queue_context(hw
, pf_queue_id
);
493 dev_err(&pf
->pdev
->dev
,
494 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
500 /* set the context in the HMC */
501 ret
= i40e_set_lan_rx_queue_context(hw
, pf_queue_id
, &rx_ctx
);
503 dev_err(&pf
->pdev
->dev
,
504 "Failed to set VF LAN Rx queue context %d error: %d\n",
516 * @vf: pointer to the VF info
517 * @type: type of VSI to allocate
519 * alloc VF vsi context & resources
521 static int i40e_alloc_vsi_res(struct i40e_vf
*vf
, enum i40e_vsi_type type
)
523 struct i40e_mac_filter
*f
= NULL
;
524 struct i40e_pf
*pf
= vf
->pf
;
525 struct i40e_vsi
*vsi
;
528 vsi
= i40e_vsi_setup(pf
, type
, pf
->vsi
[pf
->lan_vsi
]->seid
, vf
->vf_id
);
531 dev_err(&pf
->pdev
->dev
,
532 "add vsi failed for VF %d, aq_err %d\n",
533 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
535 goto error_alloc_vsi_res
;
537 if (type
== I40E_VSI_SRIOV
) {
538 u8 brdcast
[ETH_ALEN
] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
539 vf
->lan_vsi_idx
= vsi
->idx
;
540 vf
->lan_vsi_id
= vsi
->id
;
541 /* If the port VLAN has been configured and then the
542 * VF driver was removed then the VSI port VLAN
543 * configuration was destroyed. Check if there is
544 * a port VLAN and restore the VSI configuration if
547 if (vf
->port_vlan_id
)
548 i40e_vsi_add_pvid(vsi
, vf
->port_vlan_id
);
549 f
= i40e_add_filter(vsi
, vf
->default_lan_addr
.addr
,
550 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
553 dev_info(&pf
->pdev
->dev
,
554 "Could not allocate VF MAC addr\n");
555 f
= i40e_add_filter(vsi
, brdcast
,
556 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
559 dev_info(&pf
->pdev
->dev
,
560 "Could not allocate VF broadcast filter\n");
563 /* program mac filter */
564 ret
= i40e_sync_vsi_filters(vsi
, false);
566 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
568 /* Set VF bandwidth if specified */
570 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
571 vf
->tx_rate
/ 50, 0, NULL
);
573 dev_err(&pf
->pdev
->dev
, "Unable to set tx rate, VF %d, error code %d.\n",
582 * i40e_enable_vf_mappings
583 * @vf: pointer to the VF info
587 static void i40e_enable_vf_mappings(struct i40e_vf
*vf
)
589 struct i40e_pf
*pf
= vf
->pf
;
590 struct i40e_hw
*hw
= &pf
->hw
;
591 u32 reg
, total_queue_pairs
= 0;
594 /* Tell the hardware we're using noncontiguous mapping. HW requires
595 * that VF queues be mapped using this method, even when they are
596 * contiguous in real life
598 wr32(hw
, I40E_VSILAN_QBASE(vf
->lan_vsi_id
),
599 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK
);
601 /* enable VF vplan_qtable mappings */
602 reg
= I40E_VPLAN_MAPENA_TXRX_ENA_MASK
;
603 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), reg
);
605 /* map PF queues to VF queues */
606 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
; j
++) {
607 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
, j
);
608 reg
= (qid
& I40E_VPLAN_QTABLE_QINDEX_MASK
);
609 wr32(hw
, I40E_VPLAN_QTABLE(total_queue_pairs
, vf
->vf_id
), reg
);
613 /* map PF queues to VSI */
614 for (j
= 0; j
< 7; j
++) {
615 if (j
* 2 >= pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
) {
616 reg
= 0x07FF07FF; /* unused */
618 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
,
621 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_id
,
625 wr32(hw
, I40E_VSILAN_QTABLE(j
, vf
->lan_vsi_id
), reg
);
632 * i40e_disable_vf_mappings
633 * @vf: pointer to the VF info
635 * disable VF mappings
637 static void i40e_disable_vf_mappings(struct i40e_vf
*vf
)
639 struct i40e_pf
*pf
= vf
->pf
;
640 struct i40e_hw
*hw
= &pf
->hw
;
643 /* disable qp mappings */
644 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), 0);
645 for (i
= 0; i
< I40E_MAX_VSI_QP
; i
++)
646 wr32(hw
, I40E_VPLAN_QTABLE(i
, vf
->vf_id
),
647 I40E_QUEUE_END_OF_LIST
);
653 * @vf: pointer to the VF info
657 static void i40e_free_vf_res(struct i40e_vf
*vf
)
659 struct i40e_pf
*pf
= vf
->pf
;
660 struct i40e_hw
*hw
= &pf
->hw
;
664 /* free vsi & disconnect it from the parent uplink */
665 if (vf
->lan_vsi_idx
) {
666 i40e_vsi_release(pf
->vsi
[vf
->lan_vsi_idx
]);
670 msix_vf
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
672 /* disable interrupts so the VF starts in a known state */
673 for (i
= 0; i
< msix_vf
; i
++) {
674 /* format is same for both registers */
676 reg_idx
= I40E_VFINT_DYN_CTL0(vf
->vf_id
);
678 reg_idx
= I40E_VFINT_DYN_CTLN(((msix_vf
- 1) *
681 wr32(hw
, reg_idx
, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK
);
685 /* clear the irq settings */
686 for (i
= 0; i
< msix_vf
; i
++) {
687 /* format is same for both registers */
689 reg_idx
= I40E_VPINT_LNKLST0(vf
->vf_id
);
691 reg_idx
= I40E_VPINT_LNKLSTN(((msix_vf
- 1) *
694 reg
= (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK
|
695 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
);
696 wr32(hw
, reg_idx
, reg
);
699 /* reset some of the state varibles keeping
700 * track of the resources
702 vf
->num_queue_pairs
= 0;
708 * @vf: pointer to the VF info
710 * allocate VF resources
712 static int i40e_alloc_vf_res(struct i40e_vf
*vf
)
714 struct i40e_pf
*pf
= vf
->pf
;
715 int total_queue_pairs
= 0;
718 /* allocate hw vsi context & associated resources */
719 ret
= i40e_alloc_vsi_res(vf
, I40E_VSI_SRIOV
);
722 total_queue_pairs
+= pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
;
723 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
);
725 /* store the total qps number for the runtime
728 vf
->num_queue_pairs
= total_queue_pairs
;
730 /* VF is now completely initialized */
731 set_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
);
735 i40e_free_vf_res(vf
);
740 #define VF_DEVICE_STATUS 0xAA
741 #define VF_TRANS_PENDING_MASK 0x20
743 * i40e_quiesce_vf_pci
744 * @vf: pointer to the VF structure
746 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
747 * if the transactions never clear.
749 static int i40e_quiesce_vf_pci(struct i40e_vf
*vf
)
751 struct i40e_pf
*pf
= vf
->pf
;
752 struct i40e_hw
*hw
= &pf
->hw
;
756 vf_abs_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
758 wr32(hw
, I40E_PF_PCI_CIAA
,
759 VF_DEVICE_STATUS
| (vf_abs_id
<< I40E_PF_PCI_CIAA_VF_NUM_SHIFT
));
760 for (i
= 0; i
< 100; i
++) {
761 reg
= rd32(hw
, I40E_PF_PCI_CIAD
);
762 if ((reg
& VF_TRANS_PENDING_MASK
) == 0)
771 * @vf: pointer to the VF structure
772 * @flr: VFLR was issued or not
776 void i40e_reset_vf(struct i40e_vf
*vf
, bool flr
)
778 struct i40e_pf
*pf
= vf
->pf
;
779 struct i40e_hw
*hw
= &pf
->hw
;
784 if (test_and_set_bit(__I40E_VF_DISABLE
, &pf
->state
))
788 clear_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
790 /* In the case of a VFLR, the HW has already reset the VF and we
791 * just need to clean up, so don't hit the VFRTRIG register.
794 /* reset VF using VPGEN_VFRTRIG reg */
795 reg
= rd32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
));
796 reg
|= I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
797 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
801 if (i40e_quiesce_vf_pci(vf
))
802 dev_err(&pf
->pdev
->dev
, "VF %d PCI transactions stuck\n",
805 /* poll VPGEN_VFRSTAT reg to make sure
806 * that reset is complete
808 for (i
= 0; i
< 10; i
++) {
809 /* VF reset requires driver to first reset the VF and then
810 * poll the status register to make sure that the reset
811 * completed successfully. Due to internal HW FIFO flushes,
812 * we must wait 10ms before the register will be valid.
814 usleep_range(10000, 20000);
815 reg
= rd32(hw
, I40E_VPGEN_VFRSTAT(vf
->vf_id
));
816 if (reg
& I40E_VPGEN_VFRSTAT_VFRD_MASK
) {
823 usleep_range(10000, 20000);
826 dev_err(&pf
->pdev
->dev
, "VF reset check timeout on VF %d\n",
828 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_COMPLETED
);
829 /* clear the reset bit in the VPGEN_VFRTRIG reg */
830 reg
= rd32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
));
831 reg
&= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
832 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
834 /* On initial reset, we won't have any queues */
835 if (vf
->lan_vsi_idx
== 0)
838 i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false);
840 /* reallocate VF resources to reset the VSI state */
841 i40e_free_vf_res(vf
);
842 i40e_alloc_vf_res(vf
);
843 i40e_enable_vf_mappings(vf
);
844 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
845 clear_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
847 /* tell the VF the reset is done */
848 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_VFACTIVE
);
850 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
855 * @pf: pointer to the PF structure
859 void i40e_free_vfs(struct i40e_pf
*pf
)
861 struct i40e_hw
*hw
= &pf
->hw
;
862 u32 reg_idx
, bit_idx
;
867 while (test_and_set_bit(__I40E_VF_DISABLE
, &pf
->state
))
868 usleep_range(1000, 2000);
870 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
871 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
872 i40e_vsi_control_rings(pf
->vsi
[pf
->vf
[i
].lan_vsi_idx
],
875 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++)
876 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
877 i40e_vsi_control_rings(pf
->vsi
[pf
->vf
[i
].lan_vsi_idx
],
880 /* Disable IOV before freeing resources. This lets any VF drivers
881 * running in the host get themselves cleaned up before we yank
882 * the carpet out from underneath their feet.
884 if (!pci_vfs_assigned(pf
->pdev
))
885 pci_disable_sriov(pf
->pdev
);
887 dev_warn(&pf
->pdev
->dev
, "VFs are assigned - not disabling SR-IOV\n");
889 msleep(20); /* let any messages in transit get finished up */
891 /* free up VF resources */
892 tmp
= pf
->num_alloc_vfs
;
893 pf
->num_alloc_vfs
= 0;
894 for (i
= 0; i
< tmp
; i
++) {
895 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
896 i40e_free_vf_res(&pf
->vf
[i
]);
897 /* disable qp mappings */
898 i40e_disable_vf_mappings(&pf
->vf
[i
]);
904 /* This check is for when the driver is unloaded while VFs are
905 * assigned. Setting the number of VFs to 0 through sysfs is caught
906 * before this function ever gets called.
908 if (!pci_vfs_assigned(pf
->pdev
)) {
909 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
910 * work correctly when SR-IOV gets re-enabled.
912 for (vf_id
= 0; vf_id
< tmp
; vf_id
++) {
913 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
914 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
915 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
918 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
921 #ifdef CONFIG_PCI_IOV
924 * @pf: pointer to the PF structure
925 * @num_alloc_vfs: number of VFs to allocate
927 * allocate VF resources
929 int i40e_alloc_vfs(struct i40e_pf
*pf
, u16 num_alloc_vfs
)
934 /* Disable interrupt 0 so we don't try to handle the VFLR. */
935 i40e_irq_dynamic_disable_icr0(pf
);
937 /* Check to see if we're just allocating resources for extant VFs */
938 if (pci_num_vf(pf
->pdev
) != num_alloc_vfs
) {
939 ret
= pci_enable_sriov(pf
->pdev
, num_alloc_vfs
);
941 pf
->num_alloc_vfs
= 0;
945 /* allocate memory */
946 vfs
= kcalloc(num_alloc_vfs
, sizeof(struct i40e_vf
), GFP_KERNEL
);
953 /* apply default profile */
954 for (i
= 0; i
< num_alloc_vfs
; i
++) {
956 vfs
[i
].parent_type
= I40E_SWITCH_ELEMENT_TYPE_VEB
;
959 /* assign default capabilities */
960 set_bit(I40E_VIRTCHNL_VF_CAP_L2
, &vfs
[i
].vf_caps
);
961 vfs
[i
].spoofchk
= true;
962 /* VF resources get allocated during reset */
963 i40e_reset_vf(&vfs
[i
], false);
965 /* enable VF vplan_qtable mappings */
966 i40e_enable_vf_mappings(&vfs
[i
]);
968 pf
->num_alloc_vfs
= num_alloc_vfs
;
974 /* Re-enable interrupt 0. */
975 i40e_irq_dynamic_enable_icr0(pf
);
981 * i40e_pci_sriov_enable
982 * @pdev: pointer to a pci_dev structure
983 * @num_vfs: number of VFs to allocate
985 * Enable or change the number of VFs
987 static int i40e_pci_sriov_enable(struct pci_dev
*pdev
, int num_vfs
)
989 #ifdef CONFIG_PCI_IOV
990 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
991 int pre_existing_vfs
= pci_num_vf(pdev
);
994 if (pf
->state
& __I40E_TESTING
) {
996 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1001 if (pre_existing_vfs
&& pre_existing_vfs
!= num_vfs
)
1003 else if (pre_existing_vfs
&& pre_existing_vfs
== num_vfs
)
1006 if (num_vfs
> pf
->num_req_vfs
) {
1007 dev_warn(&pdev
->dev
, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1008 num_vfs
, pf
->num_req_vfs
);
1013 dev_info(&pdev
->dev
, "Allocating %d VFs.\n", num_vfs
);
1014 err
= i40e_alloc_vfs(pf
, num_vfs
);
1016 dev_warn(&pdev
->dev
, "Failed to enable SR-IOV: %d\n", err
);
1030 * i40e_pci_sriov_configure
1031 * @pdev: pointer to a pci_dev structure
1032 * @num_vfs: number of VFs to allocate
1034 * Enable or change the number of VFs. Called when the user updates the number
1037 int i40e_pci_sriov_configure(struct pci_dev
*pdev
, int num_vfs
)
1039 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1042 if (!(pf
->flags
& I40E_FLAG_VEB_MODE_ENABLED
)) {
1043 pf
->flags
|= I40E_FLAG_VEB_MODE_ENABLED
;
1044 i40e_do_reset_safe(pf
,
1045 BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1047 return i40e_pci_sriov_enable(pdev
, num_vfs
);
1050 if (!pci_vfs_assigned(pf
->pdev
)) {
1052 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1053 i40e_do_reset_safe(pf
, BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1055 dev_warn(&pdev
->dev
, "Unable to free VFs because some are assigned to VMs.\n");
1061 /***********************virtual channel routines******************/
1064 * i40e_vc_send_msg_to_vf
1065 * @vf: pointer to the VF info
1066 * @v_opcode: virtual channel opcode
1067 * @v_retval: virtual channel return value
1068 * @msg: pointer to the msg buffer
1069 * @msglen: msg length
1073 static int i40e_vc_send_msg_to_vf(struct i40e_vf
*vf
, u32 v_opcode
,
1074 u32 v_retval
, u8
*msg
, u16 msglen
)
1081 /* validate the request */
1082 if (!vf
|| vf
->vf_id
>= vf
->pf
->num_alloc_vfs
)
1087 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
1089 /* single place to detect unsuccessful return values */
1091 vf
->num_invalid_msgs
++;
1092 dev_err(&pf
->pdev
->dev
, "Failed opcode %d Error: %d\n",
1093 v_opcode
, v_retval
);
1094 if (vf
->num_invalid_msgs
>
1095 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED
) {
1096 dev_err(&pf
->pdev
->dev
,
1097 "Number of invalid messages exceeded for VF %d\n",
1099 dev_err(&pf
->pdev
->dev
, "Use PF Control I/F to enable the VF\n");
1100 set_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
1103 vf
->num_valid_msgs
++;
1106 aq_ret
= i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, v_opcode
, v_retval
,
1109 dev_err(&pf
->pdev
->dev
,
1110 "Unable to send the message to VF %d aq_err %d\n",
1111 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
1119 * i40e_vc_send_resp_to_vf
1120 * @vf: pointer to the VF info
1121 * @opcode: operation code
1122 * @retval: return value
1124 * send resp msg to VF
1126 static int i40e_vc_send_resp_to_vf(struct i40e_vf
*vf
,
1127 enum i40e_virtchnl_ops opcode
,
1130 return i40e_vc_send_msg_to_vf(vf
, opcode
, retval
, NULL
, 0);
1134 * i40e_vc_get_version_msg
1135 * @vf: pointer to the VF info
1137 * called from the VF to request the API version used by the PF
1139 static int i40e_vc_get_version_msg(struct i40e_vf
*vf
, u8
*msg
)
1141 struct i40e_virtchnl_version_info info
= {
1142 I40E_VIRTCHNL_VERSION_MAJOR
, I40E_VIRTCHNL_VERSION_MINOR
1145 vf
->vf_ver
= *(struct i40e_virtchnl_version_info
*)msg
;
1146 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1148 info
.minor
= I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS
;
1149 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_VERSION
,
1150 I40E_SUCCESS
, (u8
*)&info
,
1152 i40e_virtchnl_version_info
));
1156 * i40e_vc_get_vf_resources_msg
1157 * @vf: pointer to the VF info
1158 * @msg: pointer to the msg buffer
1159 * @msglen: msg length
1161 * called from the VF to request its resources
1163 static int i40e_vc_get_vf_resources_msg(struct i40e_vf
*vf
, u8
*msg
)
1165 struct i40e_virtchnl_vf_resource
*vfres
= NULL
;
1166 struct i40e_pf
*pf
= vf
->pf
;
1167 i40e_status aq_ret
= 0;
1168 struct i40e_vsi
*vsi
;
1173 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
1174 aq_ret
= I40E_ERR_PARAM
;
1178 len
= (sizeof(struct i40e_virtchnl_vf_resource
) +
1179 sizeof(struct i40e_virtchnl_vsi_resource
) * num_vsis
);
1181 vfres
= kzalloc(len
, GFP_KERNEL
);
1183 aq_ret
= I40E_ERR_NO_MEMORY
;
1188 vf
->driver_caps
= *(u32
*)msg
;
1190 vf
->driver_caps
= I40E_VIRTCHNL_VF_OFFLOAD_L2
|
1191 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
|
1192 I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1194 vfres
->vf_offload_flags
= I40E_VIRTCHNL_VF_OFFLOAD_L2
;
1195 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1196 if (!vsi
->info
.pvid
)
1197 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1198 if (pf
->flags
& I40E_FLAG_RSS_AQ_CAPABLE
) {
1199 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
)
1200 vfres
->vf_offload_flags
|=
1201 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
;
1203 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
;
1205 vfres
->num_vsis
= num_vsis
;
1206 vfres
->num_queue_pairs
= vf
->num_queue_pairs
;
1207 vfres
->max_vectors
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
1208 if (vf
->lan_vsi_idx
) {
1209 vfres
->vsi_res
[i
].vsi_id
= vf
->lan_vsi_id
;
1210 vfres
->vsi_res
[i
].vsi_type
= I40E_VSI_SRIOV
;
1211 vfres
->vsi_res
[i
].num_queue_pairs
=
1212 pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
;
1213 memcpy(vfres
->vsi_res
[i
].default_mac_addr
,
1214 vf
->default_lan_addr
.addr
, ETH_ALEN
);
1217 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
1220 /* send the response back to the VF */
1221 ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
1222 aq_ret
, (u8
*)vfres
, len
);
1229 * i40e_vc_reset_vf_msg
1230 * @vf: pointer to the VF info
1231 * @msg: pointer to the msg buffer
1232 * @msglen: msg length
1234 * called from the VF to reset itself,
1235 * unlike other virtchnl messages, PF driver
1236 * doesn't send the response back to the VF
1238 static void i40e_vc_reset_vf_msg(struct i40e_vf
*vf
)
1240 if (test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
1241 i40e_reset_vf(vf
, false);
1245 * i40e_vc_config_promiscuous_mode_msg
1246 * @vf: pointer to the VF info
1247 * @msg: pointer to the msg buffer
1248 * @msglen: msg length
1250 * called from the VF to configure the promiscuous mode of
1253 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf
*vf
,
1254 u8
*msg
, u16 msglen
)
1256 struct i40e_virtchnl_promisc_info
*info
=
1257 (struct i40e_virtchnl_promisc_info
*)msg
;
1258 struct i40e_pf
*pf
= vf
->pf
;
1259 struct i40e_hw
*hw
= &pf
->hw
;
1260 struct i40e_vsi
*vsi
;
1261 bool allmulti
= false;
1264 vsi
= i40e_find_vsi_from_id(pf
, info
->vsi_id
);
1265 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1266 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1267 !i40e_vc_isvalid_vsi_id(vf
, info
->vsi_id
) ||
1268 (vsi
->type
!= I40E_VSI_FCOE
)) {
1269 aq_ret
= I40E_ERR_PARAM
;
1272 if (info
->flags
& I40E_FLAG_VF_MULTICAST_PROMISC
)
1274 aq_ret
= i40e_aq_set_vsi_multicast_promiscuous(hw
, vsi
->seid
,
1278 /* send the response to the VF */
1279 return i40e_vc_send_resp_to_vf(vf
,
1280 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
1285 * i40e_vc_config_queues_msg
1286 * @vf: pointer to the VF info
1287 * @msg: pointer to the msg buffer
1288 * @msglen: msg length
1290 * called from the VF to configure the rx/tx
1293 static int i40e_vc_config_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1295 struct i40e_virtchnl_vsi_queue_config_info
*qci
=
1296 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1297 struct i40e_virtchnl_queue_pair_info
*qpi
;
1298 struct i40e_pf
*pf
= vf
->pf
;
1299 u16 vsi_id
, vsi_queue_id
;
1300 i40e_status aq_ret
= 0;
1303 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1304 aq_ret
= I40E_ERR_PARAM
;
1308 vsi_id
= qci
->vsi_id
;
1309 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1310 aq_ret
= I40E_ERR_PARAM
;
1313 for (i
= 0; i
< qci
->num_queue_pairs
; i
++) {
1314 qpi
= &qci
->qpair
[i
];
1315 vsi_queue_id
= qpi
->txq
.queue_id
;
1316 if ((qpi
->txq
.vsi_id
!= vsi_id
) ||
1317 (qpi
->rxq
.vsi_id
!= vsi_id
) ||
1318 (qpi
->rxq
.queue_id
!= vsi_queue_id
) ||
1319 !i40e_vc_isvalid_queue_id(vf
, vsi_id
, vsi_queue_id
)) {
1320 aq_ret
= I40E_ERR_PARAM
;
1324 if (i40e_config_vsi_rx_queue(vf
, vsi_id
, vsi_queue_id
,
1326 i40e_config_vsi_tx_queue(vf
, vsi_id
, vsi_queue_id
,
1328 aq_ret
= I40E_ERR_PARAM
;
1332 /* set vsi num_queue_pairs in use to num configured by VF */
1333 pf
->vsi
[vf
->lan_vsi_idx
]->num_queue_pairs
= qci
->num_queue_pairs
;
1336 /* send the response to the VF */
1337 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
1342 * i40e_vc_config_irq_map_msg
1343 * @vf: pointer to the VF info
1344 * @msg: pointer to the msg buffer
1345 * @msglen: msg length
1347 * called from the VF to configure the irq to
1350 static int i40e_vc_config_irq_map_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1352 struct i40e_virtchnl_irq_map_info
*irqmap_info
=
1353 (struct i40e_virtchnl_irq_map_info
*)msg
;
1354 struct i40e_virtchnl_vector_map
*map
;
1355 u16 vsi_id
, vsi_queue_id
, vector_id
;
1356 i40e_status aq_ret
= 0;
1357 unsigned long tempmap
;
1360 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1361 aq_ret
= I40E_ERR_PARAM
;
1365 for (i
= 0; i
< irqmap_info
->num_vectors
; i
++) {
1366 map
= &irqmap_info
->vecmap
[i
];
1368 vector_id
= map
->vector_id
;
1369 vsi_id
= map
->vsi_id
;
1370 /* validate msg params */
1371 if (!i40e_vc_isvalid_vector_id(vf
, vector_id
) ||
1372 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1373 aq_ret
= I40E_ERR_PARAM
;
1377 /* lookout for the invalid queue index */
1378 tempmap
= map
->rxq_map
;
1379 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1380 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1382 aq_ret
= I40E_ERR_PARAM
;
1387 tempmap
= map
->txq_map
;
1388 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1389 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1391 aq_ret
= I40E_ERR_PARAM
;
1396 i40e_config_irq_link_list(vf
, vsi_id
, map
);
1399 /* send the response to the VF */
1400 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
1405 * i40e_vc_enable_queues_msg
1406 * @vf: pointer to the VF info
1407 * @msg: pointer to the msg buffer
1408 * @msglen: msg length
1410 * called from the VF to enable all or specific queue(s)
1412 static int i40e_vc_enable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1414 struct i40e_virtchnl_queue_select
*vqs
=
1415 (struct i40e_virtchnl_queue_select
*)msg
;
1416 struct i40e_pf
*pf
= vf
->pf
;
1417 u16 vsi_id
= vqs
->vsi_id
;
1418 i40e_status aq_ret
= 0;
1420 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1421 aq_ret
= I40E_ERR_PARAM
;
1425 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1426 aq_ret
= I40E_ERR_PARAM
;
1430 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1431 aq_ret
= I40E_ERR_PARAM
;
1435 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], true))
1436 aq_ret
= I40E_ERR_TIMEOUT
;
1438 /* send the response to the VF */
1439 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
1444 * i40e_vc_disable_queues_msg
1445 * @vf: pointer to the VF info
1446 * @msg: pointer to the msg buffer
1447 * @msglen: msg length
1449 * called from the VF to disable all or specific
1452 static int i40e_vc_disable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1454 struct i40e_virtchnl_queue_select
*vqs
=
1455 (struct i40e_virtchnl_queue_select
*)msg
;
1456 struct i40e_pf
*pf
= vf
->pf
;
1457 i40e_status aq_ret
= 0;
1459 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1460 aq_ret
= I40E_ERR_PARAM
;
1464 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1465 aq_ret
= I40E_ERR_PARAM
;
1469 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1470 aq_ret
= I40E_ERR_PARAM
;
1474 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false))
1475 aq_ret
= I40E_ERR_TIMEOUT
;
1478 /* send the response to the VF */
1479 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
1484 * i40e_vc_get_stats_msg
1485 * @vf: pointer to the VF info
1486 * @msg: pointer to the msg buffer
1487 * @msglen: msg length
1489 * called from the VF to get vsi stats
1491 static int i40e_vc_get_stats_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1493 struct i40e_virtchnl_queue_select
*vqs
=
1494 (struct i40e_virtchnl_queue_select
*)msg
;
1495 struct i40e_pf
*pf
= vf
->pf
;
1496 struct i40e_eth_stats stats
;
1497 i40e_status aq_ret
= 0;
1498 struct i40e_vsi
*vsi
;
1500 memset(&stats
, 0, sizeof(struct i40e_eth_stats
));
1502 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1503 aq_ret
= I40E_ERR_PARAM
;
1507 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1508 aq_ret
= I40E_ERR_PARAM
;
1512 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1514 aq_ret
= I40E_ERR_PARAM
;
1517 i40e_update_eth_stats(vsi
);
1518 stats
= vsi
->eth_stats
;
1521 /* send the response back to the VF */
1522 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_STATS
, aq_ret
,
1523 (u8
*)&stats
, sizeof(stats
));
1527 * i40e_check_vf_permission
1528 * @vf: pointer to the VF info
1529 * @macaddr: pointer to the MAC Address being checked
1531 * Check if the VF has permission to add or delete unicast MAC address
1532 * filters and return error code -EPERM if not. Then check if the
1533 * address filter requested is broadcast or zero and if so return
1534 * an invalid MAC address error code.
1536 static inline int i40e_check_vf_permission(struct i40e_vf
*vf
, u8
*macaddr
)
1538 struct i40e_pf
*pf
= vf
->pf
;
1541 if (is_broadcast_ether_addr(macaddr
) ||
1542 is_zero_ether_addr(macaddr
)) {
1543 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n", macaddr
);
1544 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1545 } else if (vf
->pf_set_mac
&& !is_multicast_ether_addr(macaddr
) &&
1546 !ether_addr_equal(macaddr
, vf
->default_lan_addr
.addr
)) {
1547 /* If the host VMM administrator has set the VF MAC address
1548 * administratively via the ndo_set_vf_mac command then deny
1549 * permission to the VF to add or delete unicast MAC addresses.
1550 * The VF may request to set the MAC address filter already
1551 * assigned to it so do not return an error in that case.
1553 dev_err(&pf
->pdev
->dev
,
1554 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1561 * i40e_vc_add_mac_addr_msg
1562 * @vf: pointer to the VF info
1563 * @msg: pointer to the msg buffer
1564 * @msglen: msg length
1566 * add guest mac address filter
1568 static int i40e_vc_add_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1570 struct i40e_virtchnl_ether_addr_list
*al
=
1571 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1572 struct i40e_pf
*pf
= vf
->pf
;
1573 struct i40e_vsi
*vsi
= NULL
;
1574 u16 vsi_id
= al
->vsi_id
;
1575 i40e_status ret
= 0;
1578 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1579 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1580 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1581 ret
= I40E_ERR_PARAM
;
1585 for (i
= 0; i
< al
->num_elements
; i
++) {
1586 ret
= i40e_check_vf_permission(vf
, al
->list
[i
].addr
);
1590 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1592 /* add new addresses to the list */
1593 for (i
= 0; i
< al
->num_elements
; i
++) {
1594 struct i40e_mac_filter
*f
;
1596 f
= i40e_find_mac(vsi
, al
->list
[i
].addr
, true, false);
1598 if (i40e_is_vsi_in_vlan(vsi
))
1599 f
= i40e_put_mac_in_vlan(vsi
, al
->list
[i
].addr
,
1602 f
= i40e_add_filter(vsi
, al
->list
[i
].addr
, -1,
1607 dev_err(&pf
->pdev
->dev
,
1608 "Unable to add VF MAC filter\n");
1609 ret
= I40E_ERR_PARAM
;
1614 /* program the updated filter list */
1615 if (i40e_sync_vsi_filters(vsi
, false))
1616 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1619 /* send the response to the VF */
1620 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
1625 * i40e_vc_del_mac_addr_msg
1626 * @vf: pointer to the VF info
1627 * @msg: pointer to the msg buffer
1628 * @msglen: msg length
1630 * remove guest mac address filter
1632 static int i40e_vc_del_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1634 struct i40e_virtchnl_ether_addr_list
*al
=
1635 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1636 struct i40e_pf
*pf
= vf
->pf
;
1637 struct i40e_vsi
*vsi
= NULL
;
1638 u16 vsi_id
= al
->vsi_id
;
1639 i40e_status ret
= 0;
1642 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1643 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1644 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1645 ret
= I40E_ERR_PARAM
;
1649 for (i
= 0; i
< al
->num_elements
; i
++) {
1650 if (is_broadcast_ether_addr(al
->list
[i
].addr
) ||
1651 is_zero_ether_addr(al
->list
[i
].addr
)) {
1652 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n",
1654 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1658 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1660 /* delete addresses from the list */
1661 for (i
= 0; i
< al
->num_elements
; i
++)
1662 i40e_del_filter(vsi
, al
->list
[i
].addr
,
1663 I40E_VLAN_ANY
, true, false);
1665 /* program the updated filter list */
1666 if (i40e_sync_vsi_filters(vsi
, false))
1667 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1670 /* send the response to the VF */
1671 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
1676 * i40e_vc_add_vlan_msg
1677 * @vf: pointer to the VF info
1678 * @msg: pointer to the msg buffer
1679 * @msglen: msg length
1681 * program guest vlan id
1683 static int i40e_vc_add_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1685 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1686 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1687 struct i40e_pf
*pf
= vf
->pf
;
1688 struct i40e_vsi
*vsi
= NULL
;
1689 u16 vsi_id
= vfl
->vsi_id
;
1690 i40e_status aq_ret
= 0;
1693 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1694 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1695 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1696 aq_ret
= I40E_ERR_PARAM
;
1700 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1701 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1702 aq_ret
= I40E_ERR_PARAM
;
1703 dev_err(&pf
->pdev
->dev
,
1704 "invalid VF VLAN id %d\n", vfl
->vlan_id
[i
]);
1708 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1709 if (vsi
->info
.pvid
) {
1710 aq_ret
= I40E_ERR_PARAM
;
1714 i40e_vlan_stripping_enable(vsi
);
1715 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1716 /* add new VLAN filter */
1717 int ret
= i40e_vsi_add_vlan(vsi
, vfl
->vlan_id
[i
]);
1719 dev_err(&pf
->pdev
->dev
,
1720 "Unable to add VF vlan filter %d, error %d\n",
1721 vfl
->vlan_id
[i
], ret
);
1725 /* send the response to the VF */
1726 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_VLAN
, aq_ret
);
1730 * i40e_vc_remove_vlan_msg
1731 * @vf: pointer to the VF info
1732 * @msg: pointer to the msg buffer
1733 * @msglen: msg length
1735 * remove programmed guest vlan id
1737 static int i40e_vc_remove_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1739 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1740 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1741 struct i40e_pf
*pf
= vf
->pf
;
1742 struct i40e_vsi
*vsi
= NULL
;
1743 u16 vsi_id
= vfl
->vsi_id
;
1744 i40e_status aq_ret
= 0;
1747 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1748 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1749 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1750 aq_ret
= I40E_ERR_PARAM
;
1754 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1755 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1756 aq_ret
= I40E_ERR_PARAM
;
1761 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1762 if (vsi
->info
.pvid
) {
1763 aq_ret
= I40E_ERR_PARAM
;
1767 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1768 int ret
= i40e_vsi_kill_vlan(vsi
, vfl
->vlan_id
[i
]);
1770 dev_err(&pf
->pdev
->dev
,
1771 "Unable to delete VF vlan filter %d, error %d\n",
1772 vfl
->vlan_id
[i
], ret
);
1776 /* send the response to the VF */
1777 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_VLAN
, aq_ret
);
1781 * i40e_vc_validate_vf_msg
1782 * @vf: pointer to the VF info
1783 * @msg: pointer to the msg buffer
1784 * @msglen: msg length
1785 * @msghndl: msg handle
1789 static int i40e_vc_validate_vf_msg(struct i40e_vf
*vf
, u32 v_opcode
,
1790 u32 v_retval
, u8
*msg
, u16 msglen
)
1792 bool err_msg_format
= false;
1795 /* Check if VF is disabled. */
1796 if (test_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
))
1797 return I40E_ERR_PARAM
;
1799 /* Validate message length. */
1801 case I40E_VIRTCHNL_OP_VERSION
:
1802 valid_len
= sizeof(struct i40e_virtchnl_version_info
);
1804 case I40E_VIRTCHNL_OP_RESET_VF
:
1807 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1809 valid_len
= sizeof(u32
);
1813 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE
:
1814 valid_len
= sizeof(struct i40e_virtchnl_txq_info
);
1816 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE
:
1817 valid_len
= sizeof(struct i40e_virtchnl_rxq_info
);
1819 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1820 valid_len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
);
1821 if (msglen
>= valid_len
) {
1822 struct i40e_virtchnl_vsi_queue_config_info
*vqc
=
1823 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1824 valid_len
+= (vqc
->num_queue_pairs
*
1826 i40e_virtchnl_queue_pair_info
));
1827 if (vqc
->num_queue_pairs
== 0)
1828 err_msg_format
= true;
1831 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1832 valid_len
= sizeof(struct i40e_virtchnl_irq_map_info
);
1833 if (msglen
>= valid_len
) {
1834 struct i40e_virtchnl_irq_map_info
*vimi
=
1835 (struct i40e_virtchnl_irq_map_info
*)msg
;
1836 valid_len
+= (vimi
->num_vectors
*
1837 sizeof(struct i40e_virtchnl_vector_map
));
1838 if (vimi
->num_vectors
== 0)
1839 err_msg_format
= true;
1842 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1843 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1844 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1846 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1847 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1848 valid_len
= sizeof(struct i40e_virtchnl_ether_addr_list
);
1849 if (msglen
>= valid_len
) {
1850 struct i40e_virtchnl_ether_addr_list
*veal
=
1851 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1852 valid_len
+= veal
->num_elements
*
1853 sizeof(struct i40e_virtchnl_ether_addr
);
1854 if (veal
->num_elements
== 0)
1855 err_msg_format
= true;
1858 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1859 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1860 valid_len
= sizeof(struct i40e_virtchnl_vlan_filter_list
);
1861 if (msglen
>= valid_len
) {
1862 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1863 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1864 valid_len
+= vfl
->num_elements
* sizeof(u16
);
1865 if (vfl
->num_elements
== 0)
1866 err_msg_format
= true;
1869 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1870 valid_len
= sizeof(struct i40e_virtchnl_promisc_info
);
1872 case I40E_VIRTCHNL_OP_GET_STATS
:
1873 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1875 /* These are always errors coming from the VF. */
1876 case I40E_VIRTCHNL_OP_EVENT
:
1877 case I40E_VIRTCHNL_OP_UNKNOWN
:
1882 /* few more checks */
1883 if ((valid_len
!= msglen
) || (err_msg_format
)) {
1884 i40e_vc_send_resp_to_vf(vf
, v_opcode
, I40E_ERR_PARAM
);
1892 * i40e_vc_process_vf_msg
1893 * @pf: pointer to the PF structure
1894 * @vf_id: source VF id
1895 * @msg: pointer to the msg buffer
1896 * @msglen: msg length
1897 * @msghndl: msg handle
1899 * called from the common aeq/arq handler to
1900 * process request from VF
1902 int i40e_vc_process_vf_msg(struct i40e_pf
*pf
, u16 vf_id
, u32 v_opcode
,
1903 u32 v_retval
, u8
*msg
, u16 msglen
)
1905 struct i40e_hw
*hw
= &pf
->hw
;
1906 unsigned int local_vf_id
= vf_id
- hw
->func_caps
.vf_base_id
;
1910 pf
->vf_aq_requests
++;
1911 if (local_vf_id
>= pf
->num_alloc_vfs
)
1913 vf
= &(pf
->vf
[local_vf_id
]);
1914 /* perform basic checks on the msg */
1915 ret
= i40e_vc_validate_vf_msg(vf
, v_opcode
, v_retval
, msg
, msglen
);
1918 dev_err(&pf
->pdev
->dev
, "Invalid message from VF %d, opcode %d, len %d\n",
1919 local_vf_id
, v_opcode
, msglen
);
1924 case I40E_VIRTCHNL_OP_VERSION
:
1925 ret
= i40e_vc_get_version_msg(vf
, msg
);
1927 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1928 ret
= i40e_vc_get_vf_resources_msg(vf
, msg
);
1930 case I40E_VIRTCHNL_OP_RESET_VF
:
1931 i40e_vc_reset_vf_msg(vf
);
1934 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1935 ret
= i40e_vc_config_promiscuous_mode_msg(vf
, msg
, msglen
);
1937 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1938 ret
= i40e_vc_config_queues_msg(vf
, msg
, msglen
);
1940 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1941 ret
= i40e_vc_config_irq_map_msg(vf
, msg
, msglen
);
1943 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1944 ret
= i40e_vc_enable_queues_msg(vf
, msg
, msglen
);
1945 i40e_vc_notify_vf_link_state(vf
);
1947 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1948 ret
= i40e_vc_disable_queues_msg(vf
, msg
, msglen
);
1950 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1951 ret
= i40e_vc_add_mac_addr_msg(vf
, msg
, msglen
);
1953 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1954 ret
= i40e_vc_del_mac_addr_msg(vf
, msg
, msglen
);
1956 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1957 ret
= i40e_vc_add_vlan_msg(vf
, msg
, msglen
);
1959 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1960 ret
= i40e_vc_remove_vlan_msg(vf
, msg
, msglen
);
1962 case I40E_VIRTCHNL_OP_GET_STATS
:
1963 ret
= i40e_vc_get_stats_msg(vf
, msg
, msglen
);
1965 case I40E_VIRTCHNL_OP_UNKNOWN
:
1967 dev_err(&pf
->pdev
->dev
, "Unsupported opcode %d from VF %d\n",
1968 v_opcode
, local_vf_id
);
1969 ret
= i40e_vc_send_resp_to_vf(vf
, v_opcode
,
1970 I40E_ERR_NOT_IMPLEMENTED
);
1978 * i40e_vc_process_vflr_event
1979 * @pf: pointer to the PF structure
1981 * called from the vlfr irq handler to
1982 * free up VF resources and state variables
1984 int i40e_vc_process_vflr_event(struct i40e_pf
*pf
)
1986 u32 reg
, reg_idx
, bit_idx
, vf_id
;
1987 struct i40e_hw
*hw
= &pf
->hw
;
1990 if (!test_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
))
1993 /* re-enable vflr interrupt cause */
1994 reg
= rd32(hw
, I40E_PFINT_ICR0_ENA
);
1995 reg
|= I40E_PFINT_ICR0_ENA_VFLR_MASK
;
1996 wr32(hw
, I40E_PFINT_ICR0_ENA
, reg
);
1999 clear_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
);
2000 for (vf_id
= 0; vf_id
< pf
->num_alloc_vfs
; vf_id
++) {
2001 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
2002 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
2003 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2004 vf
= &pf
->vf
[vf_id
];
2005 reg
= rd32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
));
2006 if (reg
& BIT(bit_idx
)) {
2007 /* clear the bit in GLGEN_VFLRSTAT */
2008 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
2010 if (!test_bit(__I40E_DOWN
, &pf
->state
))
2011 i40e_reset_vf(vf
, true);
2019 * i40e_ndo_set_vf_mac
2020 * @netdev: network interface device structure
2021 * @vf_id: VF identifier
2024 * program VF mac address
2026 int i40e_ndo_set_vf_mac(struct net_device
*netdev
, int vf_id
, u8
*mac
)
2028 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2029 struct i40e_vsi
*vsi
= np
->vsi
;
2030 struct i40e_pf
*pf
= vsi
->back
;
2031 struct i40e_mac_filter
*f
;
2035 /* validate the request */
2036 if (vf_id
>= pf
->num_alloc_vfs
) {
2037 dev_err(&pf
->pdev
->dev
,
2038 "Invalid VF Identifier %d\n", vf_id
);
2043 vf
= &(pf
->vf
[vf_id
]);
2044 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2045 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2046 dev_err(&pf
->pdev
->dev
,
2047 "Uninitialized VF %d\n", vf_id
);
2052 if (!is_valid_ether_addr(mac
)) {
2053 dev_err(&pf
->pdev
->dev
,
2054 "Invalid VF ethernet address\n");
2059 /* delete the temporary mac address */
2060 i40e_del_filter(vsi
, vf
->default_lan_addr
.addr
,
2061 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
2064 /* Delete all the filters for this VSI - we're going to kill it
2067 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
)
2068 i40e_del_filter(vsi
, f
->macaddr
, f
->vlan
, true, false);
2070 dev_info(&pf
->pdev
->dev
, "Setting MAC %pM on VF %d\n", mac
, vf_id
);
2071 /* program mac filter */
2072 if (i40e_sync_vsi_filters(vsi
, false)) {
2073 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
2077 ether_addr_copy(vf
->default_lan_addr
.addr
, mac
);
2078 vf
->pf_set_mac
= true;
2079 /* Force the VF driver stop so it has to reload with new MAC address */
2080 i40e_vc_disable_vf(pf
, vf
);
2081 dev_info(&pf
->pdev
->dev
, "Reload the VF driver to make this change effective.\n");
2088 * i40e_ndo_set_vf_port_vlan
2089 * @netdev: network interface device structure
2090 * @vf_id: VF identifier
2091 * @vlan_id: mac address
2092 * @qos: priority setting
2094 * program VF vlan id and/or qos
2096 int i40e_ndo_set_vf_port_vlan(struct net_device
*netdev
,
2097 int vf_id
, u16 vlan_id
, u8 qos
)
2099 u16 vlanprio
= vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
);
2100 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2101 struct i40e_pf
*pf
= np
->vsi
->back
;
2102 struct i40e_vsi
*vsi
;
2106 /* validate the request */
2107 if (vf_id
>= pf
->num_alloc_vfs
) {
2108 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2113 if ((vlan_id
> I40E_MAX_VLANID
) || (qos
> 7)) {
2114 dev_err(&pf
->pdev
->dev
, "Invalid VF Parameters\n");
2119 vf
= &(pf
->vf
[vf_id
]);
2120 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2121 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2122 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2127 if (le16_to_cpu(vsi
->info
.pvid
) == vlanprio
)
2128 /* duplicate request, so just return success */
2131 if (le16_to_cpu(vsi
->info
.pvid
) == 0 && i40e_is_vsi_in_vlan(vsi
)) {
2132 dev_err(&pf
->pdev
->dev
,
2133 "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",
2135 /* Administrator Error - knock the VF offline until he does
2136 * the right thing by reconfiguring his network correctly
2137 * and then reloading the VF driver.
2139 i40e_vc_disable_vf(pf
, vf
);
2142 /* Check for condition where there was already a port VLAN ID
2143 * filter set and now it is being deleted by setting it to zero.
2144 * Additionally check for the condition where there was a port
2145 * VLAN but now there is a new and different port VLAN being set.
2146 * Before deleting all the old VLAN filters we must add new ones
2147 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2148 * MAC addresses deleted.
2150 if ((!(vlan_id
|| qos
) ||
2151 vlanprio
!= le16_to_cpu(vsi
->info
.pvid
)) &&
2153 ret
= i40e_vsi_add_vlan(vsi
, I40E_VLAN_ANY
);
2155 if (vsi
->info
.pvid
) {
2157 ret
= i40e_vsi_kill_vlan(vsi
, (le16_to_cpu(vsi
->info
.pvid
) &
2160 dev_info(&vsi
->back
->pdev
->dev
,
2161 "remove VLAN failed, ret=%d, aq_err=%d\n",
2162 ret
, pf
->hw
.aq
.asq_last_status
);
2166 ret
= i40e_vsi_add_pvid(vsi
, vlanprio
);
2168 i40e_vsi_remove_pvid(vsi
);
2171 dev_info(&pf
->pdev
->dev
, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2172 vlan_id
, qos
, vf_id
);
2174 /* add new VLAN filter */
2175 ret
= i40e_vsi_add_vlan(vsi
, vlan_id
);
2177 dev_info(&vsi
->back
->pdev
->dev
,
2178 "add VF VLAN failed, ret=%d aq_err=%d\n", ret
,
2179 vsi
->back
->hw
.aq
.asq_last_status
);
2182 /* Kill non-vlan MAC filters - ignore error return since
2183 * there might not be any non-vlan MAC filters.
2185 i40e_vsi_kill_vlan(vsi
, I40E_VLAN_ANY
);
2189 dev_err(&pf
->pdev
->dev
, "Unable to update VF vsi context\n");
2192 /* The Port VLAN needs to be saved across resets the same as the
2193 * default LAN MAC address.
2195 vf
->port_vlan_id
= le16_to_cpu(vsi
->info
.pvid
);
2202 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2203 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2205 * i40e_ndo_set_vf_bw
2206 * @netdev: network interface device structure
2207 * @vf_id: VF identifier
2210 * configure VF Tx rate
2212 int i40e_ndo_set_vf_bw(struct net_device
*netdev
, int vf_id
, int min_tx_rate
,
2215 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2216 struct i40e_pf
*pf
= np
->vsi
->back
;
2217 struct i40e_vsi
*vsi
;
2222 /* validate the request */
2223 if (vf_id
>= pf
->num_alloc_vfs
) {
2224 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d.\n", vf_id
);
2230 dev_err(&pf
->pdev
->dev
, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2231 min_tx_rate
, vf_id
);
2235 vf
= &(pf
->vf
[vf_id
]);
2236 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2237 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2238 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d.\n", vf_id
);
2243 switch (pf
->hw
.phy
.link_info
.link_speed
) {
2244 case I40E_LINK_SPEED_40GB
:
2247 case I40E_LINK_SPEED_10GB
:
2250 case I40E_LINK_SPEED_1GB
:
2257 if (max_tx_rate
> speed
) {
2258 dev_err(&pf
->pdev
->dev
, "Invalid max tx rate %d specified for VF %d.",
2259 max_tx_rate
, vf
->vf_id
);
2264 if ((max_tx_rate
< 50) && (max_tx_rate
> 0)) {
2265 dev_warn(&pf
->pdev
->dev
, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2269 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2270 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
2271 max_tx_rate
/ I40E_BW_CREDIT_DIVISOR
,
2272 I40E_MAX_BW_INACTIVE_ACCUM
, NULL
);
2274 dev_err(&pf
->pdev
->dev
, "Unable to set max tx rate, error code %d.\n",
2279 vf
->tx_rate
= max_tx_rate
;
2285 * i40e_ndo_get_vf_config
2286 * @netdev: network interface device structure
2287 * @vf_id: VF identifier
2288 * @ivi: VF configuration structure
2290 * return VF configuration
2292 int i40e_ndo_get_vf_config(struct net_device
*netdev
,
2293 int vf_id
, struct ifla_vf_info
*ivi
)
2295 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2296 struct i40e_vsi
*vsi
= np
->vsi
;
2297 struct i40e_pf
*pf
= vsi
->back
;
2301 /* validate the request */
2302 if (vf_id
>= pf
->num_alloc_vfs
) {
2303 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2308 vf
= &(pf
->vf
[vf_id
]);
2309 /* first vsi is always the LAN vsi */
2310 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2311 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2312 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2319 memcpy(&ivi
->mac
, vf
->default_lan_addr
.addr
, ETH_ALEN
);
2321 ivi
->max_tx_rate
= vf
->tx_rate
;
2322 ivi
->min_tx_rate
= 0;
2323 ivi
->vlan
= le16_to_cpu(vsi
->info
.pvid
) & I40E_VLAN_MASK
;
2324 ivi
->qos
= (le16_to_cpu(vsi
->info
.pvid
) & I40E_PRIORITY_MASK
) >>
2325 I40E_VLAN_PRIORITY_SHIFT
;
2326 if (vf
->link_forced
== false)
2327 ivi
->linkstate
= IFLA_VF_LINK_STATE_AUTO
;
2328 else if (vf
->link_up
== true)
2329 ivi
->linkstate
= IFLA_VF_LINK_STATE_ENABLE
;
2331 ivi
->linkstate
= IFLA_VF_LINK_STATE_DISABLE
;
2332 ivi
->spoofchk
= vf
->spoofchk
;
2340 * i40e_ndo_set_vf_link_state
2341 * @netdev: network interface device structure
2342 * @vf_id: VF identifier
2343 * @link: required link state
2345 * Set the link state of a specified VF, regardless of physical link state
2347 int i40e_ndo_set_vf_link_state(struct net_device
*netdev
, int vf_id
, int link
)
2349 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2350 struct i40e_pf
*pf
= np
->vsi
->back
;
2351 struct i40e_virtchnl_pf_event pfe
;
2352 struct i40e_hw
*hw
= &pf
->hw
;
2357 /* validate the request */
2358 if (vf_id
>= pf
->num_alloc_vfs
) {
2359 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2364 vf
= &pf
->vf
[vf_id
];
2365 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
2367 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
2368 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
2371 case IFLA_VF_LINK_STATE_AUTO
:
2372 vf
->link_forced
= false;
2373 pfe
.event_data
.link_event
.link_status
=
2374 pf
->hw
.phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
2375 pfe
.event_data
.link_event
.link_speed
=
2376 pf
->hw
.phy
.link_info
.link_speed
;
2378 case IFLA_VF_LINK_STATE_ENABLE
:
2379 vf
->link_forced
= true;
2381 pfe
.event_data
.link_event
.link_status
= true;
2382 pfe
.event_data
.link_event
.link_speed
= I40E_LINK_SPEED_40GB
;
2384 case IFLA_VF_LINK_STATE_DISABLE
:
2385 vf
->link_forced
= true;
2386 vf
->link_up
= false;
2387 pfe
.event_data
.link_event
.link_status
= false;
2388 pfe
.event_data
.link_event
.link_speed
= 0;
2394 /* Notify the VF of its new link state */
2395 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
2396 0, (u8
*)&pfe
, sizeof(pfe
), NULL
);
2403 * i40e_ndo_set_vf_spoofchk
2404 * @netdev: network interface device structure
2405 * @vf_id: VF identifier
2406 * @enable: flag to enable or disable feature
2408 * Enable or disable VF spoof checking
2410 int i40e_ndo_set_vf_spoofchk(struct net_device
*netdev
, int vf_id
, bool enable
)
2412 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2413 struct i40e_vsi
*vsi
= np
->vsi
;
2414 struct i40e_pf
*pf
= vsi
->back
;
2415 struct i40e_vsi_context ctxt
;
2416 struct i40e_hw
*hw
= &pf
->hw
;
2420 /* validate the request */
2421 if (vf_id
>= pf
->num_alloc_vfs
) {
2422 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2427 vf
= &(pf
->vf
[vf_id
]);
2429 if (enable
== vf
->spoofchk
)
2432 vf
->spoofchk
= enable
;
2433 memset(&ctxt
, 0, sizeof(ctxt
));
2434 ctxt
.seid
= pf
->vsi
[vf
->lan_vsi_idx
]->seid
;
2435 ctxt
.pf_num
= pf
->hw
.pf_id
;
2436 ctxt
.info
.valid_sections
= cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID
);
2438 ctxt
.info
.sec_flags
|= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK
|
2439 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK
);
2440 ret
= i40e_aq_update_vsi_params(hw
, &ctxt
, NULL
);
2442 dev_err(&pf
->pdev
->dev
, "Error %d updating VSI parameters\n",