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
);
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 /* Disable IOV before freeing resources. This lets any VF drivers
876 * running in the host get themselves cleaned up before we yank
877 * the carpet out from underneath their feet.
879 if (!pci_vfs_assigned(pf
->pdev
))
880 pci_disable_sriov(pf
->pdev
);
882 dev_warn(&pf
->pdev
->dev
, "VFs are assigned - not disabling SR-IOV\n");
884 msleep(20); /* let any messages in transit get finished up */
886 /* free up VF resources */
887 tmp
= pf
->num_alloc_vfs
;
888 pf
->num_alloc_vfs
= 0;
889 for (i
= 0; i
< tmp
; i
++) {
890 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
891 i40e_free_vf_res(&pf
->vf
[i
]);
892 /* disable qp mappings */
893 i40e_disable_vf_mappings(&pf
->vf
[i
]);
899 /* This check is for when the driver is unloaded while VFs are
900 * assigned. Setting the number of VFs to 0 through sysfs is caught
901 * before this function ever gets called.
903 if (!pci_vfs_assigned(pf
->pdev
)) {
904 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
905 * work correctly when SR-IOV gets re-enabled.
907 for (vf_id
= 0; vf_id
< tmp
; vf_id
++) {
908 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
909 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
910 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
913 clear_bit(__I40E_VF_DISABLE
, &pf
->state
);
916 #ifdef CONFIG_PCI_IOV
919 * @pf: pointer to the PF structure
920 * @num_alloc_vfs: number of VFs to allocate
922 * allocate VF resources
924 int i40e_alloc_vfs(struct i40e_pf
*pf
, u16 num_alloc_vfs
)
929 /* Disable interrupt 0 so we don't try to handle the VFLR. */
930 i40e_irq_dynamic_disable_icr0(pf
);
932 /* Check to see if we're just allocating resources for extant VFs */
933 if (pci_num_vf(pf
->pdev
) != num_alloc_vfs
) {
934 ret
= pci_enable_sriov(pf
->pdev
, num_alloc_vfs
);
936 pf
->num_alloc_vfs
= 0;
940 /* allocate memory */
941 vfs
= kcalloc(num_alloc_vfs
, sizeof(struct i40e_vf
), GFP_KERNEL
);
948 /* apply default profile */
949 for (i
= 0; i
< num_alloc_vfs
; i
++) {
951 vfs
[i
].parent_type
= I40E_SWITCH_ELEMENT_TYPE_VEB
;
954 /* assign default capabilities */
955 set_bit(I40E_VIRTCHNL_VF_CAP_L2
, &vfs
[i
].vf_caps
);
956 vfs
[i
].spoofchk
= true;
957 /* VF resources get allocated during reset */
958 i40e_reset_vf(&vfs
[i
], false);
960 /* enable VF vplan_qtable mappings */
961 i40e_enable_vf_mappings(&vfs
[i
]);
963 pf
->num_alloc_vfs
= num_alloc_vfs
;
969 /* Re-enable interrupt 0. */
970 i40e_irq_dynamic_enable_icr0(pf
);
976 * i40e_pci_sriov_enable
977 * @pdev: pointer to a pci_dev structure
978 * @num_vfs: number of VFs to allocate
980 * Enable or change the number of VFs
982 static int i40e_pci_sriov_enable(struct pci_dev
*pdev
, int num_vfs
)
984 #ifdef CONFIG_PCI_IOV
985 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
986 int pre_existing_vfs
= pci_num_vf(pdev
);
989 if (pf
->state
& __I40E_TESTING
) {
991 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
996 dev_info(&pdev
->dev
, "Allocating %d VFs.\n", num_vfs
);
997 if (pre_existing_vfs
&& pre_existing_vfs
!= num_vfs
)
999 else if (pre_existing_vfs
&& pre_existing_vfs
== num_vfs
)
1002 if (num_vfs
> pf
->num_req_vfs
) {
1007 err
= i40e_alloc_vfs(pf
, num_vfs
);
1009 dev_warn(&pdev
->dev
, "Failed to enable SR-IOV: %d\n", err
);
1023 * i40e_pci_sriov_configure
1024 * @pdev: pointer to a pci_dev structure
1025 * @num_vfs: number of VFs to allocate
1027 * Enable or change the number of VFs. Called when the user updates the number
1030 int i40e_pci_sriov_configure(struct pci_dev
*pdev
, int num_vfs
)
1032 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
1035 if (!(pf
->flags
& I40E_FLAG_VEB_MODE_ENABLED
)) {
1036 pf
->flags
|= I40E_FLAG_VEB_MODE_ENABLED
;
1037 i40e_do_reset_safe(pf
,
1038 BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1040 return i40e_pci_sriov_enable(pdev
, num_vfs
);
1043 if (!pci_vfs_assigned(pf
->pdev
)) {
1045 pf
->flags
&= ~I40E_FLAG_VEB_MODE_ENABLED
;
1046 i40e_do_reset_safe(pf
, BIT_ULL(__I40E_PF_RESET_REQUESTED
));
1048 dev_warn(&pdev
->dev
, "Unable to free VFs because some are assigned to VMs.\n");
1054 /***********************virtual channel routines******************/
1057 * i40e_vc_send_msg_to_vf
1058 * @vf: pointer to the VF info
1059 * @v_opcode: virtual channel opcode
1060 * @v_retval: virtual channel return value
1061 * @msg: pointer to the msg buffer
1062 * @msglen: msg length
1066 static int i40e_vc_send_msg_to_vf(struct i40e_vf
*vf
, u32 v_opcode
,
1067 u32 v_retval
, u8
*msg
, u16 msglen
)
1074 /* validate the request */
1075 if (!vf
|| vf
->vf_id
>= vf
->pf
->num_alloc_vfs
)
1080 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
1082 /* single place to detect unsuccessful return values */
1084 vf
->num_invalid_msgs
++;
1085 dev_err(&pf
->pdev
->dev
, "Failed opcode %d Error: %d\n",
1086 v_opcode
, v_retval
);
1087 if (vf
->num_invalid_msgs
>
1088 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED
) {
1089 dev_err(&pf
->pdev
->dev
,
1090 "Number of invalid messages exceeded for VF %d\n",
1092 dev_err(&pf
->pdev
->dev
, "Use PF Control I/F to enable the VF\n");
1093 set_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
1096 vf
->num_valid_msgs
++;
1099 aq_ret
= i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, v_opcode
, v_retval
,
1102 dev_err(&pf
->pdev
->dev
,
1103 "Unable to send the message to VF %d aq_err %d\n",
1104 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
1112 * i40e_vc_send_resp_to_vf
1113 * @vf: pointer to the VF info
1114 * @opcode: operation code
1115 * @retval: return value
1117 * send resp msg to VF
1119 static int i40e_vc_send_resp_to_vf(struct i40e_vf
*vf
,
1120 enum i40e_virtchnl_ops opcode
,
1123 return i40e_vc_send_msg_to_vf(vf
, opcode
, retval
, NULL
, 0);
1127 * i40e_vc_get_version_msg
1128 * @vf: pointer to the VF info
1130 * called from the VF to request the API version used by the PF
1132 static int i40e_vc_get_version_msg(struct i40e_vf
*vf
, u8
*msg
)
1134 struct i40e_virtchnl_version_info info
= {
1135 I40E_VIRTCHNL_VERSION_MAJOR
, I40E_VIRTCHNL_VERSION_MINOR
1138 vf
->vf_ver
= *(struct i40e_virtchnl_version_info
*)msg
;
1139 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1141 info
.minor
= I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS
;
1142 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_VERSION
,
1143 I40E_SUCCESS
, (u8
*)&info
,
1145 i40e_virtchnl_version_info
));
1149 * i40e_vc_get_vf_resources_msg
1150 * @vf: pointer to the VF info
1151 * @msg: pointer to the msg buffer
1152 * @msglen: msg length
1154 * called from the VF to request its resources
1156 static int i40e_vc_get_vf_resources_msg(struct i40e_vf
*vf
, u8
*msg
)
1158 struct i40e_virtchnl_vf_resource
*vfres
= NULL
;
1159 struct i40e_pf
*pf
= vf
->pf
;
1160 i40e_status aq_ret
= 0;
1161 struct i40e_vsi
*vsi
;
1166 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
1167 aq_ret
= I40E_ERR_PARAM
;
1171 len
= (sizeof(struct i40e_virtchnl_vf_resource
) +
1172 sizeof(struct i40e_virtchnl_vsi_resource
) * num_vsis
);
1174 vfres
= kzalloc(len
, GFP_KERNEL
);
1176 aq_ret
= I40E_ERR_NO_MEMORY
;
1181 vf
->driver_caps
= *(u32
*)msg
;
1183 vf
->driver_caps
= I40E_VIRTCHNL_VF_OFFLOAD_L2
|
1184 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
|
1185 I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1187 vfres
->vf_offload_flags
= I40E_VIRTCHNL_VF_OFFLOAD_L2
;
1188 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1189 if (!vsi
->info
.pvid
)
1190 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1191 if (pf
->flags
& I40E_FLAG_RSS_AQ_CAPABLE
) {
1192 if (vf
->driver_caps
& I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
)
1193 vfres
->vf_offload_flags
|=
1194 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
;
1196 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
;
1198 vfres
->num_vsis
= num_vsis
;
1199 vfres
->num_queue_pairs
= vf
->num_queue_pairs
;
1200 vfres
->max_vectors
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
1201 if (vf
->lan_vsi_idx
) {
1202 vfres
->vsi_res
[i
].vsi_id
= vf
->lan_vsi_id
;
1203 vfres
->vsi_res
[i
].vsi_type
= I40E_VSI_SRIOV
;
1204 vfres
->vsi_res
[i
].num_queue_pairs
=
1205 pf
->vsi
[vf
->lan_vsi_idx
]->alloc_queue_pairs
;
1206 memcpy(vfres
->vsi_res
[i
].default_mac_addr
,
1207 vf
->default_lan_addr
.addr
, ETH_ALEN
);
1210 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
1213 /* send the response back to the VF */
1214 ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
1215 aq_ret
, (u8
*)vfres
, len
);
1222 * i40e_vc_reset_vf_msg
1223 * @vf: pointer to the VF info
1224 * @msg: pointer to the msg buffer
1225 * @msglen: msg length
1227 * called from the VF to reset itself,
1228 * unlike other virtchnl messages, PF driver
1229 * doesn't send the response back to the VF
1231 static void i40e_vc_reset_vf_msg(struct i40e_vf
*vf
)
1233 if (test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
1234 i40e_reset_vf(vf
, false);
1238 * i40e_vc_config_promiscuous_mode_msg
1239 * @vf: pointer to the VF info
1240 * @msg: pointer to the msg buffer
1241 * @msglen: msg length
1243 * called from the VF to configure the promiscuous mode of
1246 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf
*vf
,
1247 u8
*msg
, u16 msglen
)
1249 struct i40e_virtchnl_promisc_info
*info
=
1250 (struct i40e_virtchnl_promisc_info
*)msg
;
1251 struct i40e_pf
*pf
= vf
->pf
;
1252 struct i40e_hw
*hw
= &pf
->hw
;
1253 struct i40e_vsi
*vsi
;
1254 bool allmulti
= false;
1257 vsi
= i40e_find_vsi_from_id(pf
, info
->vsi_id
);
1258 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1259 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1260 !i40e_vc_isvalid_vsi_id(vf
, info
->vsi_id
) ||
1261 (vsi
->type
!= I40E_VSI_FCOE
)) {
1262 aq_ret
= I40E_ERR_PARAM
;
1265 if (info
->flags
& I40E_FLAG_VF_MULTICAST_PROMISC
)
1267 aq_ret
= i40e_aq_set_vsi_multicast_promiscuous(hw
, vsi
->seid
,
1271 /* send the response to the VF */
1272 return i40e_vc_send_resp_to_vf(vf
,
1273 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
1278 * i40e_vc_config_queues_msg
1279 * @vf: pointer to the VF info
1280 * @msg: pointer to the msg buffer
1281 * @msglen: msg length
1283 * called from the VF to configure the rx/tx
1286 static int i40e_vc_config_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1288 struct i40e_virtchnl_vsi_queue_config_info
*qci
=
1289 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1290 struct i40e_virtchnl_queue_pair_info
*qpi
;
1291 struct i40e_pf
*pf
= vf
->pf
;
1292 u16 vsi_id
, vsi_queue_id
;
1293 i40e_status aq_ret
= 0;
1296 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1297 aq_ret
= I40E_ERR_PARAM
;
1301 vsi_id
= qci
->vsi_id
;
1302 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1303 aq_ret
= I40E_ERR_PARAM
;
1306 for (i
= 0; i
< qci
->num_queue_pairs
; i
++) {
1307 qpi
= &qci
->qpair
[i
];
1308 vsi_queue_id
= qpi
->txq
.queue_id
;
1309 if ((qpi
->txq
.vsi_id
!= vsi_id
) ||
1310 (qpi
->rxq
.vsi_id
!= vsi_id
) ||
1311 (qpi
->rxq
.queue_id
!= vsi_queue_id
) ||
1312 !i40e_vc_isvalid_queue_id(vf
, vsi_id
, vsi_queue_id
)) {
1313 aq_ret
= I40E_ERR_PARAM
;
1317 if (i40e_config_vsi_rx_queue(vf
, vsi_id
, vsi_queue_id
,
1319 i40e_config_vsi_tx_queue(vf
, vsi_id
, vsi_queue_id
,
1321 aq_ret
= I40E_ERR_PARAM
;
1325 /* set vsi num_queue_pairs in use to num configured by VF */
1326 pf
->vsi
[vf
->lan_vsi_idx
]->num_queue_pairs
= qci
->num_queue_pairs
;
1329 /* send the response to the VF */
1330 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
1335 * i40e_vc_config_irq_map_msg
1336 * @vf: pointer to the VF info
1337 * @msg: pointer to the msg buffer
1338 * @msglen: msg length
1340 * called from the VF to configure the irq to
1343 static int i40e_vc_config_irq_map_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1345 struct i40e_virtchnl_irq_map_info
*irqmap_info
=
1346 (struct i40e_virtchnl_irq_map_info
*)msg
;
1347 struct i40e_virtchnl_vector_map
*map
;
1348 u16 vsi_id
, vsi_queue_id
, vector_id
;
1349 i40e_status aq_ret
= 0;
1350 unsigned long tempmap
;
1353 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1354 aq_ret
= I40E_ERR_PARAM
;
1358 for (i
= 0; i
< irqmap_info
->num_vectors
; i
++) {
1359 map
= &irqmap_info
->vecmap
[i
];
1361 vector_id
= map
->vector_id
;
1362 vsi_id
= map
->vsi_id
;
1363 /* validate msg params */
1364 if (!i40e_vc_isvalid_vector_id(vf
, vector_id
) ||
1365 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1366 aq_ret
= I40E_ERR_PARAM
;
1370 /* lookout for the invalid queue index */
1371 tempmap
= map
->rxq_map
;
1372 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1373 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1375 aq_ret
= I40E_ERR_PARAM
;
1380 tempmap
= map
->txq_map
;
1381 for_each_set_bit(vsi_queue_id
, &tempmap
, I40E_MAX_VSI_QP
) {
1382 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1384 aq_ret
= I40E_ERR_PARAM
;
1389 i40e_config_irq_link_list(vf
, vsi_id
, map
);
1392 /* send the response to the VF */
1393 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
1398 * i40e_vc_enable_queues_msg
1399 * @vf: pointer to the VF info
1400 * @msg: pointer to the msg buffer
1401 * @msglen: msg length
1403 * called from the VF to enable all or specific queue(s)
1405 static int i40e_vc_enable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1407 struct i40e_virtchnl_queue_select
*vqs
=
1408 (struct i40e_virtchnl_queue_select
*)msg
;
1409 struct i40e_pf
*pf
= vf
->pf
;
1410 u16 vsi_id
= vqs
->vsi_id
;
1411 i40e_status aq_ret
= 0;
1413 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1414 aq_ret
= I40E_ERR_PARAM
;
1418 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1419 aq_ret
= I40E_ERR_PARAM
;
1423 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1424 aq_ret
= I40E_ERR_PARAM
;
1428 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], true))
1429 aq_ret
= I40E_ERR_TIMEOUT
;
1431 /* send the response to the VF */
1432 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
1437 * i40e_vc_disable_queues_msg
1438 * @vf: pointer to the VF info
1439 * @msg: pointer to the msg buffer
1440 * @msglen: msg length
1442 * called from the VF to disable all or specific
1445 static int i40e_vc_disable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1447 struct i40e_virtchnl_queue_select
*vqs
=
1448 (struct i40e_virtchnl_queue_select
*)msg
;
1449 struct i40e_pf
*pf
= vf
->pf
;
1450 i40e_status aq_ret
= 0;
1452 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1453 aq_ret
= I40E_ERR_PARAM
;
1457 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1458 aq_ret
= I40E_ERR_PARAM
;
1462 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1463 aq_ret
= I40E_ERR_PARAM
;
1467 if (i40e_vsi_control_rings(pf
->vsi
[vf
->lan_vsi_idx
], false))
1468 aq_ret
= I40E_ERR_TIMEOUT
;
1471 /* send the response to the VF */
1472 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
1477 * i40e_vc_get_stats_msg
1478 * @vf: pointer to the VF info
1479 * @msg: pointer to the msg buffer
1480 * @msglen: msg length
1482 * called from the VF to get vsi stats
1484 static int i40e_vc_get_stats_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1486 struct i40e_virtchnl_queue_select
*vqs
=
1487 (struct i40e_virtchnl_queue_select
*)msg
;
1488 struct i40e_pf
*pf
= vf
->pf
;
1489 struct i40e_eth_stats stats
;
1490 i40e_status aq_ret
= 0;
1491 struct i40e_vsi
*vsi
;
1493 memset(&stats
, 0, sizeof(struct i40e_eth_stats
));
1495 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1496 aq_ret
= I40E_ERR_PARAM
;
1500 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1501 aq_ret
= I40E_ERR_PARAM
;
1505 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1507 aq_ret
= I40E_ERR_PARAM
;
1510 i40e_update_eth_stats(vsi
);
1511 stats
= vsi
->eth_stats
;
1514 /* send the response back to the VF */
1515 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_STATS
, aq_ret
,
1516 (u8
*)&stats
, sizeof(stats
));
1520 * i40e_check_vf_permission
1521 * @vf: pointer to the VF info
1522 * @macaddr: pointer to the MAC Address being checked
1524 * Check if the VF has permission to add or delete unicast MAC address
1525 * filters and return error code -EPERM if not. Then check if the
1526 * address filter requested is broadcast or zero and if so return
1527 * an invalid MAC address error code.
1529 static inline int i40e_check_vf_permission(struct i40e_vf
*vf
, u8
*macaddr
)
1531 struct i40e_pf
*pf
= vf
->pf
;
1534 if (is_broadcast_ether_addr(macaddr
) ||
1535 is_zero_ether_addr(macaddr
)) {
1536 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n", macaddr
);
1537 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1538 } else if (vf
->pf_set_mac
&& !is_multicast_ether_addr(macaddr
) &&
1539 !ether_addr_equal(macaddr
, vf
->default_lan_addr
.addr
)) {
1540 /* If the host VMM administrator has set the VF MAC address
1541 * administratively via the ndo_set_vf_mac command then deny
1542 * permission to the VF to add or delete unicast MAC addresses.
1543 * The VF may request to set the MAC address filter already
1544 * assigned to it so do not return an error in that case.
1546 dev_err(&pf
->pdev
->dev
,
1547 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1554 * i40e_vc_add_mac_addr_msg
1555 * @vf: pointer to the VF info
1556 * @msg: pointer to the msg buffer
1557 * @msglen: msg length
1559 * add guest mac address filter
1561 static int i40e_vc_add_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1563 struct i40e_virtchnl_ether_addr_list
*al
=
1564 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1565 struct i40e_pf
*pf
= vf
->pf
;
1566 struct i40e_vsi
*vsi
= NULL
;
1567 u16 vsi_id
= al
->vsi_id
;
1568 i40e_status ret
= 0;
1571 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1572 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1573 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1574 ret
= I40E_ERR_PARAM
;
1578 for (i
= 0; i
< al
->num_elements
; i
++) {
1579 ret
= i40e_check_vf_permission(vf
, al
->list
[i
].addr
);
1583 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1585 /* add new addresses to the list */
1586 for (i
= 0; i
< al
->num_elements
; i
++) {
1587 struct i40e_mac_filter
*f
;
1589 f
= i40e_find_mac(vsi
, al
->list
[i
].addr
, true, false);
1591 if (i40e_is_vsi_in_vlan(vsi
))
1592 f
= i40e_put_mac_in_vlan(vsi
, al
->list
[i
].addr
,
1595 f
= i40e_add_filter(vsi
, al
->list
[i
].addr
, -1,
1600 dev_err(&pf
->pdev
->dev
,
1601 "Unable to add VF MAC filter\n");
1602 ret
= I40E_ERR_PARAM
;
1607 /* program the updated filter list */
1608 if (i40e_sync_vsi_filters(vsi
))
1609 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1612 /* send the response to the VF */
1613 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
1618 * i40e_vc_del_mac_addr_msg
1619 * @vf: pointer to the VF info
1620 * @msg: pointer to the msg buffer
1621 * @msglen: msg length
1623 * remove guest mac address filter
1625 static int i40e_vc_del_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1627 struct i40e_virtchnl_ether_addr_list
*al
=
1628 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1629 struct i40e_pf
*pf
= vf
->pf
;
1630 struct i40e_vsi
*vsi
= NULL
;
1631 u16 vsi_id
= al
->vsi_id
;
1632 i40e_status ret
= 0;
1635 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1636 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1637 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1638 ret
= I40E_ERR_PARAM
;
1642 for (i
= 0; i
< al
->num_elements
; i
++) {
1643 if (is_broadcast_ether_addr(al
->list
[i
].addr
) ||
1644 is_zero_ether_addr(al
->list
[i
].addr
)) {
1645 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pM\n",
1647 ret
= I40E_ERR_INVALID_MAC_ADDR
;
1651 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1653 /* delete addresses from the list */
1654 for (i
= 0; i
< al
->num_elements
; i
++)
1655 i40e_del_filter(vsi
, al
->list
[i
].addr
,
1656 I40E_VLAN_ANY
, true, false);
1658 /* program the updated filter list */
1659 if (i40e_sync_vsi_filters(vsi
))
1660 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1663 /* send the response to the VF */
1664 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
1669 * i40e_vc_add_vlan_msg
1670 * @vf: pointer to the VF info
1671 * @msg: pointer to the msg buffer
1672 * @msglen: msg length
1674 * program guest vlan id
1676 static int i40e_vc_add_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1678 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1679 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1680 struct i40e_pf
*pf
= vf
->pf
;
1681 struct i40e_vsi
*vsi
= NULL
;
1682 u16 vsi_id
= vfl
->vsi_id
;
1683 i40e_status aq_ret
= 0;
1686 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1687 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1688 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1689 aq_ret
= I40E_ERR_PARAM
;
1693 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1694 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1695 aq_ret
= I40E_ERR_PARAM
;
1696 dev_err(&pf
->pdev
->dev
,
1697 "invalid VF VLAN id %d\n", vfl
->vlan_id
[i
]);
1701 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1702 if (vsi
->info
.pvid
) {
1703 aq_ret
= I40E_ERR_PARAM
;
1707 i40e_vlan_stripping_enable(vsi
);
1708 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1709 /* add new VLAN filter */
1710 int ret
= i40e_vsi_add_vlan(vsi
, vfl
->vlan_id
[i
]);
1712 dev_err(&pf
->pdev
->dev
,
1713 "Unable to add VF vlan filter %d, error %d\n",
1714 vfl
->vlan_id
[i
], ret
);
1718 /* send the response to the VF */
1719 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_VLAN
, aq_ret
);
1723 * i40e_vc_remove_vlan_msg
1724 * @vf: pointer to the VF info
1725 * @msg: pointer to the msg buffer
1726 * @msglen: msg length
1728 * remove programmed guest vlan id
1730 static int i40e_vc_remove_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1732 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1733 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1734 struct i40e_pf
*pf
= vf
->pf
;
1735 struct i40e_vsi
*vsi
= NULL
;
1736 u16 vsi_id
= vfl
->vsi_id
;
1737 i40e_status aq_ret
= 0;
1740 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1741 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1742 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1743 aq_ret
= I40E_ERR_PARAM
;
1747 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1748 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1749 aq_ret
= I40E_ERR_PARAM
;
1754 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
1755 if (vsi
->info
.pvid
) {
1756 aq_ret
= I40E_ERR_PARAM
;
1760 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1761 int ret
= i40e_vsi_kill_vlan(vsi
, vfl
->vlan_id
[i
]);
1763 dev_err(&pf
->pdev
->dev
,
1764 "Unable to delete VF vlan filter %d, error %d\n",
1765 vfl
->vlan_id
[i
], ret
);
1769 /* send the response to the VF */
1770 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_VLAN
, aq_ret
);
1774 * i40e_vc_validate_vf_msg
1775 * @vf: pointer to the VF info
1776 * @msg: pointer to the msg buffer
1777 * @msglen: msg length
1778 * @msghndl: msg handle
1782 static int i40e_vc_validate_vf_msg(struct i40e_vf
*vf
, u32 v_opcode
,
1783 u32 v_retval
, u8
*msg
, u16 msglen
)
1785 bool err_msg_format
= false;
1788 /* Check if VF is disabled. */
1789 if (test_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
))
1790 return I40E_ERR_PARAM
;
1792 /* Validate message length. */
1794 case I40E_VIRTCHNL_OP_VERSION
:
1795 valid_len
= sizeof(struct i40e_virtchnl_version_info
);
1797 case I40E_VIRTCHNL_OP_RESET_VF
:
1800 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1802 valid_len
= sizeof(u32
);
1806 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE
:
1807 valid_len
= sizeof(struct i40e_virtchnl_txq_info
);
1809 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE
:
1810 valid_len
= sizeof(struct i40e_virtchnl_rxq_info
);
1812 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1813 valid_len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
);
1814 if (msglen
>= valid_len
) {
1815 struct i40e_virtchnl_vsi_queue_config_info
*vqc
=
1816 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1817 valid_len
+= (vqc
->num_queue_pairs
*
1819 i40e_virtchnl_queue_pair_info
));
1820 if (vqc
->num_queue_pairs
== 0)
1821 err_msg_format
= true;
1824 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1825 valid_len
= sizeof(struct i40e_virtchnl_irq_map_info
);
1826 if (msglen
>= valid_len
) {
1827 struct i40e_virtchnl_irq_map_info
*vimi
=
1828 (struct i40e_virtchnl_irq_map_info
*)msg
;
1829 valid_len
+= (vimi
->num_vectors
*
1830 sizeof(struct i40e_virtchnl_vector_map
));
1831 if (vimi
->num_vectors
== 0)
1832 err_msg_format
= true;
1835 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1836 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1837 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1839 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1840 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1841 valid_len
= sizeof(struct i40e_virtchnl_ether_addr_list
);
1842 if (msglen
>= valid_len
) {
1843 struct i40e_virtchnl_ether_addr_list
*veal
=
1844 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1845 valid_len
+= veal
->num_elements
*
1846 sizeof(struct i40e_virtchnl_ether_addr
);
1847 if (veal
->num_elements
== 0)
1848 err_msg_format
= true;
1851 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1852 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1853 valid_len
= sizeof(struct i40e_virtchnl_vlan_filter_list
);
1854 if (msglen
>= valid_len
) {
1855 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1856 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1857 valid_len
+= vfl
->num_elements
* sizeof(u16
);
1858 if (vfl
->num_elements
== 0)
1859 err_msg_format
= true;
1862 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1863 valid_len
= sizeof(struct i40e_virtchnl_promisc_info
);
1865 case I40E_VIRTCHNL_OP_GET_STATS
:
1866 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1868 /* These are always errors coming from the VF. */
1869 case I40E_VIRTCHNL_OP_EVENT
:
1870 case I40E_VIRTCHNL_OP_UNKNOWN
:
1875 /* few more checks */
1876 if ((valid_len
!= msglen
) || (err_msg_format
)) {
1877 i40e_vc_send_resp_to_vf(vf
, v_opcode
, I40E_ERR_PARAM
);
1885 * i40e_vc_process_vf_msg
1886 * @pf: pointer to the PF structure
1887 * @vf_id: source VF id
1888 * @msg: pointer to the msg buffer
1889 * @msglen: msg length
1890 * @msghndl: msg handle
1892 * called from the common aeq/arq handler to
1893 * process request from VF
1895 int i40e_vc_process_vf_msg(struct i40e_pf
*pf
, u16 vf_id
, u32 v_opcode
,
1896 u32 v_retval
, u8
*msg
, u16 msglen
)
1898 struct i40e_hw
*hw
= &pf
->hw
;
1899 unsigned int local_vf_id
= vf_id
- hw
->func_caps
.vf_base_id
;
1903 pf
->vf_aq_requests
++;
1904 if (local_vf_id
>= pf
->num_alloc_vfs
)
1906 vf
= &(pf
->vf
[local_vf_id
]);
1907 /* perform basic checks on the msg */
1908 ret
= i40e_vc_validate_vf_msg(vf
, v_opcode
, v_retval
, msg
, msglen
);
1911 dev_err(&pf
->pdev
->dev
, "Invalid message from VF %d, opcode %d, len %d\n",
1912 local_vf_id
, v_opcode
, msglen
);
1917 case I40E_VIRTCHNL_OP_VERSION
:
1918 ret
= i40e_vc_get_version_msg(vf
, msg
);
1920 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1921 ret
= i40e_vc_get_vf_resources_msg(vf
, msg
);
1923 case I40E_VIRTCHNL_OP_RESET_VF
:
1924 i40e_vc_reset_vf_msg(vf
);
1927 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1928 ret
= i40e_vc_config_promiscuous_mode_msg(vf
, msg
, msglen
);
1930 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1931 ret
= i40e_vc_config_queues_msg(vf
, msg
, msglen
);
1933 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1934 ret
= i40e_vc_config_irq_map_msg(vf
, msg
, msglen
);
1936 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1937 ret
= i40e_vc_enable_queues_msg(vf
, msg
, msglen
);
1938 i40e_vc_notify_vf_link_state(vf
);
1940 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1941 ret
= i40e_vc_disable_queues_msg(vf
, msg
, msglen
);
1943 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1944 ret
= i40e_vc_add_mac_addr_msg(vf
, msg
, msglen
);
1946 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1947 ret
= i40e_vc_del_mac_addr_msg(vf
, msg
, msglen
);
1949 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1950 ret
= i40e_vc_add_vlan_msg(vf
, msg
, msglen
);
1952 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1953 ret
= i40e_vc_remove_vlan_msg(vf
, msg
, msglen
);
1955 case I40E_VIRTCHNL_OP_GET_STATS
:
1956 ret
= i40e_vc_get_stats_msg(vf
, msg
, msglen
);
1958 case I40E_VIRTCHNL_OP_UNKNOWN
:
1960 dev_err(&pf
->pdev
->dev
, "Unsupported opcode %d from VF %d\n",
1961 v_opcode
, local_vf_id
);
1962 ret
= i40e_vc_send_resp_to_vf(vf
, v_opcode
,
1963 I40E_ERR_NOT_IMPLEMENTED
);
1971 * i40e_vc_process_vflr_event
1972 * @pf: pointer to the PF structure
1974 * called from the vlfr irq handler to
1975 * free up VF resources and state variables
1977 int i40e_vc_process_vflr_event(struct i40e_pf
*pf
)
1979 u32 reg
, reg_idx
, bit_idx
, vf_id
;
1980 struct i40e_hw
*hw
= &pf
->hw
;
1983 if (!test_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
))
1986 /* re-enable vflr interrupt cause */
1987 reg
= rd32(hw
, I40E_PFINT_ICR0_ENA
);
1988 reg
|= I40E_PFINT_ICR0_ENA_VFLR_MASK
;
1989 wr32(hw
, I40E_PFINT_ICR0_ENA
, reg
);
1992 clear_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
);
1993 for (vf_id
= 0; vf_id
< pf
->num_alloc_vfs
; vf_id
++) {
1994 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
1995 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
1996 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
1997 vf
= &pf
->vf
[vf_id
];
1998 reg
= rd32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
));
1999 if (reg
& BIT(bit_idx
)) {
2000 /* clear the bit in GLGEN_VFLRSTAT */
2001 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), BIT(bit_idx
));
2003 if (!test_bit(__I40E_DOWN
, &pf
->state
))
2004 i40e_reset_vf(vf
, true);
2012 * i40e_ndo_set_vf_mac
2013 * @netdev: network interface device structure
2014 * @vf_id: VF identifier
2017 * program VF mac address
2019 int i40e_ndo_set_vf_mac(struct net_device
*netdev
, int vf_id
, u8
*mac
)
2021 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2022 struct i40e_vsi
*vsi
= np
->vsi
;
2023 struct i40e_pf
*pf
= vsi
->back
;
2024 struct i40e_mac_filter
*f
;
2028 /* validate the request */
2029 if (vf_id
>= pf
->num_alloc_vfs
) {
2030 dev_err(&pf
->pdev
->dev
,
2031 "Invalid VF Identifier %d\n", vf_id
);
2036 vf
= &(pf
->vf
[vf_id
]);
2037 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2038 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2039 dev_err(&pf
->pdev
->dev
,
2040 "Uninitialized VF %d\n", vf_id
);
2045 if (!is_valid_ether_addr(mac
)) {
2046 dev_err(&pf
->pdev
->dev
,
2047 "Invalid VF ethernet address\n");
2052 /* delete the temporary mac address */
2053 i40e_del_filter(vsi
, vf
->default_lan_addr
.addr
,
2054 vf
->port_vlan_id
? vf
->port_vlan_id
: -1,
2057 /* Delete all the filters for this VSI - we're going to kill it
2060 list_for_each_entry(f
, &vsi
->mac_filter_list
, list
)
2061 i40e_del_filter(vsi
, f
->macaddr
, f
->vlan
, true, false);
2063 dev_info(&pf
->pdev
->dev
, "Setting MAC %pM on VF %d\n", mac
, vf_id
);
2064 /* program mac filter */
2065 if (i40e_sync_vsi_filters(vsi
)) {
2066 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
2070 ether_addr_copy(vf
->default_lan_addr
.addr
, mac
);
2071 vf
->pf_set_mac
= true;
2072 /* Force the VF driver stop so it has to reload with new MAC address */
2073 i40e_vc_disable_vf(pf
, vf
);
2074 dev_info(&pf
->pdev
->dev
, "Reload the VF driver to make this change effective.\n");
2081 * i40e_ndo_set_vf_port_vlan
2082 * @netdev: network interface device structure
2083 * @vf_id: VF identifier
2084 * @vlan_id: mac address
2085 * @qos: priority setting
2087 * program VF vlan id and/or qos
2089 int i40e_ndo_set_vf_port_vlan(struct net_device
*netdev
,
2090 int vf_id
, u16 vlan_id
, u8 qos
)
2092 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2093 struct i40e_pf
*pf
= np
->vsi
->back
;
2094 struct i40e_vsi
*vsi
;
2098 /* validate the request */
2099 if (vf_id
>= pf
->num_alloc_vfs
) {
2100 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2105 if ((vlan_id
> I40E_MAX_VLANID
) || (qos
> 7)) {
2106 dev_err(&pf
->pdev
->dev
, "Invalid VF Parameters\n");
2111 vf
= &(pf
->vf
[vf_id
]);
2112 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2113 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2114 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2119 if (le16_to_cpu(vsi
->info
.pvid
) ==
2120 (vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
)))
2121 /* duplicate request, so just return success */
2124 if (le16_to_cpu(vsi
->info
.pvid
) == 0 && i40e_is_vsi_in_vlan(vsi
)) {
2125 dev_err(&pf
->pdev
->dev
,
2126 "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",
2128 /* Administrator Error - knock the VF offline until he does
2129 * the right thing by reconfiguring his network correctly
2130 * and then reloading the VF driver.
2132 i40e_vc_disable_vf(pf
, vf
);
2135 /* Check for condition where there was already a port VLAN ID
2136 * filter set and now it is being deleted by setting it to zero.
2137 * Additionally check for the condition where there was a port
2138 * VLAN but now there is a new and different port VLAN being set.
2139 * Before deleting all the old VLAN filters we must add new ones
2140 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2141 * MAC addresses deleted.
2143 if ((!(vlan_id
|| qos
) ||
2144 (vlan_id
| qos
) != le16_to_cpu(vsi
->info
.pvid
)) &&
2146 ret
= i40e_vsi_add_vlan(vsi
, I40E_VLAN_ANY
);
2148 if (vsi
->info
.pvid
) {
2150 ret
= i40e_vsi_kill_vlan(vsi
, (le16_to_cpu(vsi
->info
.pvid
) &
2153 dev_info(&vsi
->back
->pdev
->dev
,
2154 "remove VLAN failed, ret=%d, aq_err=%d\n",
2155 ret
, pf
->hw
.aq
.asq_last_status
);
2159 ret
= i40e_vsi_add_pvid(vsi
,
2160 vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
));
2162 i40e_vsi_remove_pvid(vsi
);
2165 dev_info(&pf
->pdev
->dev
, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2166 vlan_id
, qos
, vf_id
);
2168 /* add new VLAN filter */
2169 ret
= i40e_vsi_add_vlan(vsi
, vlan_id
);
2171 dev_info(&vsi
->back
->pdev
->dev
,
2172 "add VF VLAN failed, ret=%d aq_err=%d\n", ret
,
2173 vsi
->back
->hw
.aq
.asq_last_status
);
2176 /* Kill non-vlan MAC filters - ignore error return since
2177 * there might not be any non-vlan MAC filters.
2179 i40e_vsi_kill_vlan(vsi
, I40E_VLAN_ANY
);
2183 dev_err(&pf
->pdev
->dev
, "Unable to update VF vsi context\n");
2186 /* The Port VLAN needs to be saved across resets the same as the
2187 * default LAN MAC address.
2189 vf
->port_vlan_id
= le16_to_cpu(vsi
->info
.pvid
);
2196 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2197 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2199 * i40e_ndo_set_vf_bw
2200 * @netdev: network interface device structure
2201 * @vf_id: VF identifier
2204 * configure VF Tx rate
2206 int i40e_ndo_set_vf_bw(struct net_device
*netdev
, int vf_id
, int min_tx_rate
,
2209 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2210 struct i40e_pf
*pf
= np
->vsi
->back
;
2211 struct i40e_vsi
*vsi
;
2216 /* validate the request */
2217 if (vf_id
>= pf
->num_alloc_vfs
) {
2218 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d.\n", vf_id
);
2224 dev_err(&pf
->pdev
->dev
, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2225 min_tx_rate
, vf_id
);
2229 vf
= &(pf
->vf
[vf_id
]);
2230 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2231 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2232 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d.\n", vf_id
);
2237 switch (pf
->hw
.phy
.link_info
.link_speed
) {
2238 case I40E_LINK_SPEED_40GB
:
2241 case I40E_LINK_SPEED_10GB
:
2244 case I40E_LINK_SPEED_1GB
:
2251 if (max_tx_rate
> speed
) {
2252 dev_err(&pf
->pdev
->dev
, "Invalid max tx rate %d specified for VF %d.",
2253 max_tx_rate
, vf
->vf_id
);
2258 if ((max_tx_rate
< 50) && (max_tx_rate
> 0)) {
2259 dev_warn(&pf
->pdev
->dev
, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2263 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2264 ret
= i40e_aq_config_vsi_bw_limit(&pf
->hw
, vsi
->seid
,
2265 max_tx_rate
/ I40E_BW_CREDIT_DIVISOR
,
2266 I40E_MAX_BW_INACTIVE_ACCUM
, NULL
);
2268 dev_err(&pf
->pdev
->dev
, "Unable to set max tx rate, error code %d.\n",
2273 vf
->tx_rate
= max_tx_rate
;
2279 * i40e_ndo_get_vf_config
2280 * @netdev: network interface device structure
2281 * @vf_id: VF identifier
2282 * @ivi: VF configuration structure
2284 * return VF configuration
2286 int i40e_ndo_get_vf_config(struct net_device
*netdev
,
2287 int vf_id
, struct ifla_vf_info
*ivi
)
2289 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2290 struct i40e_vsi
*vsi
= np
->vsi
;
2291 struct i40e_pf
*pf
= vsi
->back
;
2295 /* validate the request */
2296 if (vf_id
>= pf
->num_alloc_vfs
) {
2297 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2302 vf
= &(pf
->vf
[vf_id
]);
2303 /* first vsi is always the LAN vsi */
2304 vsi
= pf
->vsi
[vf
->lan_vsi_idx
];
2305 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2306 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2313 memcpy(&ivi
->mac
, vf
->default_lan_addr
.addr
, ETH_ALEN
);
2315 ivi
->max_tx_rate
= vf
->tx_rate
;
2316 ivi
->min_tx_rate
= 0;
2317 ivi
->vlan
= le16_to_cpu(vsi
->info
.pvid
) & I40E_VLAN_MASK
;
2318 ivi
->qos
= (le16_to_cpu(vsi
->info
.pvid
) & I40E_PRIORITY_MASK
) >>
2319 I40E_VLAN_PRIORITY_SHIFT
;
2320 if (vf
->link_forced
== false)
2321 ivi
->linkstate
= IFLA_VF_LINK_STATE_AUTO
;
2322 else if (vf
->link_up
== true)
2323 ivi
->linkstate
= IFLA_VF_LINK_STATE_ENABLE
;
2325 ivi
->linkstate
= IFLA_VF_LINK_STATE_DISABLE
;
2326 ivi
->spoofchk
= vf
->spoofchk
;
2334 * i40e_ndo_set_vf_link_state
2335 * @netdev: network interface device structure
2336 * @vf_id: VF identifier
2337 * @link: required link state
2339 * Set the link state of a specified VF, regardless of physical link state
2341 int i40e_ndo_set_vf_link_state(struct net_device
*netdev
, int vf_id
, int link
)
2343 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2344 struct i40e_pf
*pf
= np
->vsi
->back
;
2345 struct i40e_virtchnl_pf_event pfe
;
2346 struct i40e_hw
*hw
= &pf
->hw
;
2351 /* validate the request */
2352 if (vf_id
>= pf
->num_alloc_vfs
) {
2353 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2358 vf
= &pf
->vf
[vf_id
];
2359 abs_vf_id
= vf
->vf_id
+ hw
->func_caps
.vf_base_id
;
2361 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
2362 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
2365 case IFLA_VF_LINK_STATE_AUTO
:
2366 vf
->link_forced
= false;
2367 pfe
.event_data
.link_event
.link_status
=
2368 pf
->hw
.phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
2369 pfe
.event_data
.link_event
.link_speed
=
2370 pf
->hw
.phy
.link_info
.link_speed
;
2372 case IFLA_VF_LINK_STATE_ENABLE
:
2373 vf
->link_forced
= true;
2375 pfe
.event_data
.link_event
.link_status
= true;
2376 pfe
.event_data
.link_event
.link_speed
= I40E_LINK_SPEED_40GB
;
2378 case IFLA_VF_LINK_STATE_DISABLE
:
2379 vf
->link_forced
= true;
2380 vf
->link_up
= false;
2381 pfe
.event_data
.link_event
.link_status
= false;
2382 pfe
.event_data
.link_event
.link_speed
= 0;
2388 /* Notify the VF of its new link state */
2389 i40e_aq_send_msg_to_vf(hw
, abs_vf_id
, I40E_VIRTCHNL_OP_EVENT
,
2390 0, (u8
*)&pfe
, sizeof(pfe
), NULL
);
2397 * i40e_ndo_set_vf_spoofchk
2398 * @netdev: network interface device structure
2399 * @vf_id: VF identifier
2400 * @enable: flag to enable or disable feature
2402 * Enable or disable VF spoof checking
2404 int i40e_ndo_set_vf_spoofchk(struct net_device
*netdev
, int vf_id
, bool enable
)
2406 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2407 struct i40e_vsi
*vsi
= np
->vsi
;
2408 struct i40e_pf
*pf
= vsi
->back
;
2409 struct i40e_vsi_context ctxt
;
2410 struct i40e_hw
*hw
= &pf
->hw
;
2414 /* validate the request */
2415 if (vf_id
>= pf
->num_alloc_vfs
) {
2416 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2421 vf
= &(pf
->vf
[vf_id
]);
2423 if (enable
== vf
->spoofchk
)
2426 vf
->spoofchk
= enable
;
2427 memset(&ctxt
, 0, sizeof(ctxt
));
2428 ctxt
.seid
= pf
->vsi
[vf
->lan_vsi_idx
]->seid
;
2429 ctxt
.pf_num
= pf
->hw
.pf_id
;
2430 ctxt
.info
.valid_sections
= cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID
);
2432 ctxt
.info
.sec_flags
|= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK
|
2433 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK
);
2434 ret
= i40e_aq_update_vsi_params(hw
, &ctxt
, NULL
);
2436 dev_err(&pf
->pdev
->dev
, "Error %d updating VSI parameters\n",