1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
4 * Copyright(c) 2013 - 2014 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 ******************************************************************************/
28 #include "i40e_prototype.h"
30 /* busy wait delay in msec */
31 #define I40EVF_BUSY_WAIT_DELAY 10
32 #define I40EVF_BUSY_WAIT_COUNT 50
36 * @adapter: adapter structure
37 * @op: virtual channel opcode
38 * @msg: pointer to message buffer
39 * @len: message length
41 * Send message to PF and print status if failure.
43 static int i40evf_send_pf_msg(struct i40evf_adapter
*adapter
,
44 enum i40e_virtchnl_ops op
, u8
*msg
, u16 len
)
46 struct i40e_hw
*hw
= &adapter
->hw
;
49 if (adapter
->flags
& I40EVF_FLAG_PF_COMMS_FAILED
)
50 return 0; /* nothing to see here, move along */
52 err
= i40e_aq_send_msg_to_pf(hw
, op
, 0, msg
, len
, NULL
);
54 dev_err(&adapter
->pdev
->dev
, "Unable to send opcode %d to PF, err %s, aq_err %s\n",
55 op
, i40evf_stat_str(hw
, err
),
56 i40evf_aq_str(hw
, hw
->aq
.asq_last_status
));
62 * @adapter: adapter structure
64 * Send API version admin queue message to the PF. The reply is not checked
65 * in this function. Returns 0 if the message was successfully
66 * sent, or one of the I40E_ADMIN_QUEUE_ERROR_ statuses if not.
68 int i40evf_send_api_ver(struct i40evf_adapter
*adapter
)
70 struct i40e_virtchnl_version_info vvi
;
72 vvi
.major
= I40E_VIRTCHNL_VERSION_MAJOR
;
73 vvi
.minor
= I40E_VIRTCHNL_VERSION_MINOR
;
75 return i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_VERSION
, (u8
*)&vvi
,
80 * i40evf_verify_api_ver
81 * @adapter: adapter structure
83 * Compare API versions with the PF. Must be called after admin queue is
84 * initialized. Returns 0 if API versions match, -EIO if they do not,
85 * I40E_ERR_ADMIN_QUEUE_NO_WORK if the admin queue is empty, and any errors
86 * from the firmware are propagated.
88 int i40evf_verify_api_ver(struct i40evf_adapter
*adapter
)
90 struct i40e_virtchnl_version_info
*pf_vvi
;
91 struct i40e_hw
*hw
= &adapter
->hw
;
92 struct i40e_arq_event_info event
;
93 enum i40e_virtchnl_ops op
;
96 event
.buf_len
= I40EVF_MAX_AQ_BUF_SIZE
;
97 event
.msg_buf
= kzalloc(event
.buf_len
, GFP_KERNEL
);
104 err
= i40evf_clean_arq_element(hw
, &event
, NULL
);
105 /* When the AQ is empty, i40evf_clean_arq_element will return
106 * nonzero and this loop will terminate.
111 (enum i40e_virtchnl_ops
)le32_to_cpu(event
.desc
.cookie_high
);
112 if (op
== I40E_VIRTCHNL_OP_VERSION
)
117 err
= (i40e_status
)le32_to_cpu(event
.desc
.cookie_low
);
121 if (op
!= I40E_VIRTCHNL_OP_VERSION
) {
122 dev_info(&adapter
->pdev
->dev
, "Invalid reply type %d from PF\n",
128 pf_vvi
= (struct i40e_virtchnl_version_info
*)event
.msg_buf
;
129 adapter
->pf_version
= *pf_vvi
;
131 if ((pf_vvi
->major
> I40E_VIRTCHNL_VERSION_MAJOR
) ||
132 ((pf_vvi
->major
== I40E_VIRTCHNL_VERSION_MAJOR
) &&
133 (pf_vvi
->minor
> I40E_VIRTCHNL_VERSION_MINOR
)))
137 kfree(event
.msg_buf
);
143 * i40evf_send_vf_config_msg
144 * @adapter: adapter structure
146 * Send VF configuration request admin queue message to the PF. The reply
147 * is not checked in this function. Returns 0 if the message was
148 * successfully sent, or one of the I40E_ADMIN_QUEUE_ERROR_ statuses if not.
150 int i40evf_send_vf_config_msg(struct i40evf_adapter
*adapter
)
154 adapter
->current_op
= I40E_VIRTCHNL_OP_GET_VF_RESOURCES
;
155 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_GET_CONFIG
;
156 caps
= I40E_VIRTCHNL_VF_OFFLOAD_L2
|
157 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ
|
158 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG
|
159 I40E_VIRTCHNL_VF_OFFLOAD_VLAN
|
160 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR
;
161 adapter
->current_op
= I40E_VIRTCHNL_OP_GET_VF_RESOURCES
;
162 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_GET_CONFIG
;
163 if (PF_IS_V11(adapter
))
164 return i40evf_send_pf_msg(adapter
,
165 I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
166 (u8
*)&caps
, sizeof(caps
));
168 return i40evf_send_pf_msg(adapter
,
169 I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
174 * i40evf_get_vf_config
175 * @hw: pointer to the hardware structure
176 * @len: length of buffer
178 * Get VF configuration from PF and populate hw structure. Must be called after
179 * admin queue is initialized. Busy waits until response is received from PF,
180 * with maximum timeout. Response from PF is returned in the buffer for further
181 * processing by the caller.
183 int i40evf_get_vf_config(struct i40evf_adapter
*adapter
)
185 struct i40e_hw
*hw
= &adapter
->hw
;
186 struct i40e_arq_event_info event
;
187 enum i40e_virtchnl_ops op
;
191 len
= sizeof(struct i40e_virtchnl_vf_resource
) +
192 I40E_MAX_VF_VSI
* sizeof(struct i40e_virtchnl_vsi_resource
);
194 event
.msg_buf
= kzalloc(event
.buf_len
, GFP_KERNEL
);
195 if (!event
.msg_buf
) {
201 /* When the AQ is empty, i40evf_clean_arq_element will return
202 * nonzero and this loop will terminate.
204 err
= i40evf_clean_arq_element(hw
, &event
, NULL
);
208 (enum i40e_virtchnl_ops
)le32_to_cpu(event
.desc
.cookie_high
);
209 if (op
== I40E_VIRTCHNL_OP_GET_VF_RESOURCES
)
213 err
= (i40e_status
)le32_to_cpu(event
.desc
.cookie_low
);
214 memcpy(adapter
->vf_res
, event
.msg_buf
, min(event
.msg_len
, len
));
216 i40e_vf_parse_hw_config(hw
, adapter
->vf_res
);
218 kfree(event
.msg_buf
);
224 * i40evf_configure_queues
225 * @adapter: adapter structure
227 * Request that the PF set up our (previously allocated) queues.
229 void i40evf_configure_queues(struct i40evf_adapter
*adapter
)
231 struct i40e_virtchnl_vsi_queue_config_info
*vqci
;
232 struct i40e_virtchnl_queue_pair_info
*vqpi
;
233 int pairs
= adapter
->num_active_queues
;
236 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
237 /* bail because we already have a command pending */
238 dev_err(&adapter
->pdev
->dev
, "Cannot configure queues, command %d pending\n",
239 adapter
->current_op
);
242 adapter
->current_op
= I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
;
243 len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
) +
244 (sizeof(struct i40e_virtchnl_queue_pair_info
) * pairs
);
245 vqci
= kzalloc(len
, GFP_ATOMIC
);
249 vqci
->vsi_id
= adapter
->vsi_res
->vsi_id
;
250 vqci
->num_queue_pairs
= pairs
;
252 /* Size check is not needed here - HW max is 16 queue pairs, and we
253 * can fit info for 31 of them into the AQ buffer before it overflows.
255 for (i
= 0; i
< pairs
; i
++) {
256 vqpi
->txq
.vsi_id
= vqci
->vsi_id
;
257 vqpi
->txq
.queue_id
= i
;
258 vqpi
->txq
.ring_len
= adapter
->tx_rings
[i
]->count
;
259 vqpi
->txq
.dma_ring_addr
= adapter
->tx_rings
[i
]->dma
;
260 vqpi
->txq
.headwb_enabled
= 1;
261 vqpi
->txq
.dma_headwb_addr
= vqpi
->txq
.dma_ring_addr
+
262 (vqpi
->txq
.ring_len
* sizeof(struct i40e_tx_desc
));
264 vqpi
->rxq
.vsi_id
= vqci
->vsi_id
;
265 vqpi
->rxq
.queue_id
= i
;
266 vqpi
->rxq
.ring_len
= adapter
->rx_rings
[i
]->count
;
267 vqpi
->rxq
.dma_ring_addr
= adapter
->rx_rings
[i
]->dma
;
268 vqpi
->rxq
.max_pkt_size
= adapter
->netdev
->mtu
269 + ETH_HLEN
+ VLAN_HLEN
+ ETH_FCS_LEN
;
270 vqpi
->rxq
.databuffer_size
= adapter
->rx_rings
[i
]->rx_buf_len
;
274 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_CONFIGURE_QUEUES
;
275 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
281 * i40evf_enable_queues
282 * @adapter: adapter structure
284 * Request that the PF enable all of our queues.
286 void i40evf_enable_queues(struct i40evf_adapter
*adapter
)
288 struct i40e_virtchnl_queue_select vqs
;
290 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
291 /* bail because we already have a command pending */
292 dev_err(&adapter
->pdev
->dev
, "Cannot enable queues, command %d pending\n",
293 adapter
->current_op
);
296 adapter
->current_op
= I40E_VIRTCHNL_OP_ENABLE_QUEUES
;
297 vqs
.vsi_id
= adapter
->vsi_res
->vsi_id
;
298 vqs
.tx_queues
= BIT(adapter
->num_active_queues
) - 1;
299 vqs
.rx_queues
= vqs
.tx_queues
;
300 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_ENABLE_QUEUES
;
301 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
302 (u8
*)&vqs
, sizeof(vqs
));
306 * i40evf_disable_queues
307 * @adapter: adapter structure
309 * Request that the PF disable all of our queues.
311 void i40evf_disable_queues(struct i40evf_adapter
*adapter
)
313 struct i40e_virtchnl_queue_select vqs
;
315 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
316 /* bail because we already have a command pending */
317 dev_err(&adapter
->pdev
->dev
, "Cannot disable queues, command %d pending\n",
318 adapter
->current_op
);
321 adapter
->current_op
= I40E_VIRTCHNL_OP_DISABLE_QUEUES
;
322 vqs
.vsi_id
= adapter
->vsi_res
->vsi_id
;
323 vqs
.tx_queues
= BIT(adapter
->num_active_queues
) - 1;
324 vqs
.rx_queues
= vqs
.tx_queues
;
325 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_DISABLE_QUEUES
;
326 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
327 (u8
*)&vqs
, sizeof(vqs
));
332 * @adapter: adapter structure
334 * Request that the PF map queues to interrupt vectors. Misc causes, including
335 * admin queue, are always mapped to vector 0.
337 void i40evf_map_queues(struct i40evf_adapter
*adapter
)
339 struct i40e_virtchnl_irq_map_info
*vimi
;
340 int v_idx
, q_vectors
, len
;
341 struct i40e_q_vector
*q_vector
;
343 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
344 /* bail because we already have a command pending */
345 dev_err(&adapter
->pdev
->dev
, "Cannot map queues to vectors, command %d pending\n",
346 adapter
->current_op
);
349 adapter
->current_op
= I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
;
351 q_vectors
= adapter
->num_msix_vectors
- NONQ_VECS
;
353 len
= sizeof(struct i40e_virtchnl_irq_map_info
) +
354 (adapter
->num_msix_vectors
*
355 sizeof(struct i40e_virtchnl_vector_map
));
356 vimi
= kzalloc(len
, GFP_ATOMIC
);
360 vimi
->num_vectors
= adapter
->num_msix_vectors
;
361 /* Queue vectors first */
362 for (v_idx
= 0; v_idx
< q_vectors
; v_idx
++) {
363 q_vector
= adapter
->q_vector
[v_idx
];
364 vimi
->vecmap
[v_idx
].vsi_id
= adapter
->vsi_res
->vsi_id
;
365 vimi
->vecmap
[v_idx
].vector_id
= v_idx
+ NONQ_VECS
;
366 vimi
->vecmap
[v_idx
].txq_map
= q_vector
->ring_mask
;
367 vimi
->vecmap
[v_idx
].rxq_map
= q_vector
->ring_mask
;
369 /* Misc vector last - this is only for AdminQ messages */
370 vimi
->vecmap
[v_idx
].vsi_id
= adapter
->vsi_res
->vsi_id
;
371 vimi
->vecmap
[v_idx
].vector_id
= 0;
372 vimi
->vecmap
[v_idx
].txq_map
= 0;
373 vimi
->vecmap
[v_idx
].rxq_map
= 0;
375 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_MAP_VECTORS
;
376 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
382 * i40evf_add_ether_addrs
383 * @adapter: adapter structure
384 * @addrs: the MAC address filters to add (contiguous)
385 * @count: number of filters
387 * Request that the PF add one or more addresses to our filters.
389 void i40evf_add_ether_addrs(struct i40evf_adapter
*adapter
)
391 struct i40e_virtchnl_ether_addr_list
*veal
;
392 int len
, i
= 0, count
= 0;
393 struct i40evf_mac_filter
*f
;
395 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
396 /* bail because we already have a command pending */
397 dev_err(&adapter
->pdev
->dev
, "Cannot add filters, command %d pending\n",
398 adapter
->current_op
);
401 list_for_each_entry(f
, &adapter
->mac_filter_list
, list
) {
406 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER
;
409 adapter
->current_op
= I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
;
411 len
= sizeof(struct i40e_virtchnl_ether_addr_list
) +
412 (count
* sizeof(struct i40e_virtchnl_ether_addr
));
413 if (len
> I40EVF_MAX_AQ_BUF_SIZE
) {
414 dev_warn(&adapter
->pdev
->dev
, "Too many add MAC changes in one request\n");
415 count
= (I40EVF_MAX_AQ_BUF_SIZE
-
416 sizeof(struct i40e_virtchnl_ether_addr_list
)) /
417 sizeof(struct i40e_virtchnl_ether_addr
);
418 len
= I40EVF_MAX_AQ_BUF_SIZE
;
421 veal
= kzalloc(len
, GFP_ATOMIC
);
425 veal
->vsi_id
= adapter
->vsi_res
->vsi_id
;
426 veal
->num_elements
= count
;
427 list_for_each_entry(f
, &adapter
->mac_filter_list
, list
) {
429 ether_addr_copy(veal
->list
[i
].addr
, f
->macaddr
);
434 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER
;
435 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
441 * i40evf_del_ether_addrs
442 * @adapter: adapter structure
443 * @addrs: the MAC address filters to remove (contiguous)
444 * @count: number of filtes
446 * Request that the PF remove one or more addresses from our filters.
448 void i40evf_del_ether_addrs(struct i40evf_adapter
*adapter
)
450 struct i40e_virtchnl_ether_addr_list
*veal
;
451 struct i40evf_mac_filter
*f
, *ftmp
;
452 int len
, i
= 0, count
= 0;
454 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
455 /* bail because we already have a command pending */
456 dev_err(&adapter
->pdev
->dev
, "Cannot remove filters, command %d pending\n",
457 adapter
->current_op
);
460 list_for_each_entry(f
, &adapter
->mac_filter_list
, list
) {
465 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER
;
468 adapter
->current_op
= I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
;
470 len
= sizeof(struct i40e_virtchnl_ether_addr_list
) +
471 (count
* sizeof(struct i40e_virtchnl_ether_addr
));
472 if (len
> I40EVF_MAX_AQ_BUF_SIZE
) {
473 dev_warn(&adapter
->pdev
->dev
, "Too many delete MAC changes in one request\n");
474 count
= (I40EVF_MAX_AQ_BUF_SIZE
-
475 sizeof(struct i40e_virtchnl_ether_addr_list
)) /
476 sizeof(struct i40e_virtchnl_ether_addr
);
477 len
= I40EVF_MAX_AQ_BUF_SIZE
;
479 veal
= kzalloc(len
, GFP_ATOMIC
);
483 veal
->vsi_id
= adapter
->vsi_res
->vsi_id
;
484 veal
->num_elements
= count
;
485 list_for_each_entry_safe(f
, ftmp
, &adapter
->mac_filter_list
, list
) {
487 ether_addr_copy(veal
->list
[i
].addr
, f
->macaddr
);
493 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER
;
494 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
501 * @adapter: adapter structure
502 * @vlans: the VLANs to add
503 * @count: number of VLANs
505 * Request that the PF add one or more VLAN filters to our VSI.
507 void i40evf_add_vlans(struct i40evf_adapter
*adapter
)
509 struct i40e_virtchnl_vlan_filter_list
*vvfl
;
510 int len
, i
= 0, count
= 0;
511 struct i40evf_vlan_filter
*f
;
513 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
514 /* bail because we already have a command pending */
515 dev_err(&adapter
->pdev
->dev
, "Cannot add VLANs, command %d pending\n",
516 adapter
->current_op
);
520 list_for_each_entry(f
, &adapter
->vlan_filter_list
, list
) {
525 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER
;
528 adapter
->current_op
= I40E_VIRTCHNL_OP_ADD_VLAN
;
530 len
= sizeof(struct i40e_virtchnl_vlan_filter_list
) +
531 (count
* sizeof(u16
));
532 if (len
> I40EVF_MAX_AQ_BUF_SIZE
) {
533 dev_warn(&adapter
->pdev
->dev
, "Too many add VLAN changes in one request\n");
534 count
= (I40EVF_MAX_AQ_BUF_SIZE
-
535 sizeof(struct i40e_virtchnl_vlan_filter_list
)) /
537 len
= I40EVF_MAX_AQ_BUF_SIZE
;
539 vvfl
= kzalloc(len
, GFP_ATOMIC
);
543 vvfl
->vsi_id
= adapter
->vsi_res
->vsi_id
;
544 vvfl
->num_elements
= count
;
545 list_for_each_entry(f
, &adapter
->vlan_filter_list
, list
) {
547 vvfl
->vlan_id
[i
] = f
->vlan
;
552 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER
;
553 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_ADD_VLAN
, (u8
*)vvfl
, len
);
559 * @adapter: adapter structure
560 * @vlans: the VLANs to remove
561 * @count: number of VLANs
563 * Request that the PF remove one or more VLAN filters from our VSI.
565 void i40evf_del_vlans(struct i40evf_adapter
*adapter
)
567 struct i40e_virtchnl_vlan_filter_list
*vvfl
;
568 struct i40evf_vlan_filter
*f
, *ftmp
;
569 int len
, i
= 0, count
= 0;
571 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
572 /* bail because we already have a command pending */
573 dev_err(&adapter
->pdev
->dev
, "Cannot remove VLANs, command %d pending\n",
574 adapter
->current_op
);
578 list_for_each_entry(f
, &adapter
->vlan_filter_list
, list
) {
583 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER
;
586 adapter
->current_op
= I40E_VIRTCHNL_OP_DEL_VLAN
;
588 len
= sizeof(struct i40e_virtchnl_vlan_filter_list
) +
589 (count
* sizeof(u16
));
590 if (len
> I40EVF_MAX_AQ_BUF_SIZE
) {
591 dev_warn(&adapter
->pdev
->dev
, "Too many delete VLAN changes in one request\n");
592 count
= (I40EVF_MAX_AQ_BUF_SIZE
-
593 sizeof(struct i40e_virtchnl_vlan_filter_list
)) /
595 len
= I40EVF_MAX_AQ_BUF_SIZE
;
597 vvfl
= kzalloc(len
, GFP_ATOMIC
);
601 vvfl
->vsi_id
= adapter
->vsi_res
->vsi_id
;
602 vvfl
->num_elements
= count
;
603 list_for_each_entry_safe(f
, ftmp
, &adapter
->vlan_filter_list
, list
) {
605 vvfl
->vlan_id
[i
] = f
->vlan
;
611 adapter
->aq_required
&= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER
;
612 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_DEL_VLAN
, (u8
*)vvfl
, len
);
617 * i40evf_set_promiscuous
618 * @adapter: adapter structure
619 * @flags: bitmask to control unicast/multicast promiscuous.
621 * Request that the PF enable promiscuous mode for our VSI.
623 void i40evf_set_promiscuous(struct i40evf_adapter
*adapter
, int flags
)
625 struct i40e_virtchnl_promisc_info vpi
;
627 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
628 /* bail because we already have a command pending */
629 dev_err(&adapter
->pdev
->dev
, "Cannot set promiscuous mode, command %d pending\n",
630 adapter
->current_op
);
633 adapter
->current_op
= I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
;
634 vpi
.vsi_id
= adapter
->vsi_res
->vsi_id
;
636 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
637 (u8
*)&vpi
, sizeof(vpi
));
641 * i40evf_request_stats
642 * @adapter: adapter structure
644 * Request VSI statistics from PF.
646 void i40evf_request_stats(struct i40evf_adapter
*adapter
)
648 struct i40e_virtchnl_queue_select vqs
;
650 if (adapter
->current_op
!= I40E_VIRTCHNL_OP_UNKNOWN
) {
651 /* no error message, this isn't crucial */
654 adapter
->current_op
= I40E_VIRTCHNL_OP_GET_STATS
;
655 vqs
.vsi_id
= adapter
->vsi_res
->vsi_id
;
656 /* queue maps are ignored for this message - only the vsi is used */
657 if (i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_GET_STATS
,
658 (u8
*)&vqs
, sizeof(vqs
)))
659 /* if the request failed, don't lock out others */
660 adapter
->current_op
= I40E_VIRTCHNL_OP_UNKNOWN
;
663 * i40evf_request_reset
664 * @adapter: adapter structure
666 * Request that the PF reset this VF. No response is expected.
668 void i40evf_request_reset(struct i40evf_adapter
*adapter
)
670 /* Don't check CURRENT_OP - this is always higher priority */
671 i40evf_send_pf_msg(adapter
, I40E_VIRTCHNL_OP_RESET_VF
, NULL
, 0);
672 adapter
->current_op
= I40E_VIRTCHNL_OP_UNKNOWN
;
676 * i40evf_virtchnl_completion
677 * @adapter: adapter structure
678 * @v_opcode: opcode sent by PF
679 * @v_retval: retval sent by PF
680 * @msg: message sent by PF
681 * @msglen: message length
683 * Asynchronous completion function for admin queue messages. Rather than busy
684 * wait, we fire off our requests and assume that no errors will be returned.
685 * This function handles the reply messages.
687 void i40evf_virtchnl_completion(struct i40evf_adapter
*adapter
,
688 enum i40e_virtchnl_ops v_opcode
,
689 i40e_status v_retval
,
692 struct net_device
*netdev
= adapter
->netdev
;
694 if (v_opcode
== I40E_VIRTCHNL_OP_EVENT
) {
695 struct i40e_virtchnl_pf_event
*vpe
=
696 (struct i40e_virtchnl_pf_event
*)msg
;
697 switch (vpe
->event
) {
698 case I40E_VIRTCHNL_EVENT_LINK_CHANGE
:
700 vpe
->event_data
.link_event
.link_status
;
701 if (adapter
->link_up
&& !netif_carrier_ok(netdev
)) {
702 dev_info(&adapter
->pdev
->dev
, "NIC Link is Up\n");
703 netif_carrier_on(netdev
);
704 netif_tx_wake_all_queues(netdev
);
705 } else if (!adapter
->link_up
) {
706 dev_info(&adapter
->pdev
->dev
, "NIC Link is Down\n");
707 netif_carrier_off(netdev
);
708 netif_tx_stop_all_queues(netdev
);
711 case I40E_VIRTCHNL_EVENT_RESET_IMPENDING
:
712 dev_info(&adapter
->pdev
->dev
, "PF reset warning received\n");
713 if (!(adapter
->flags
& I40EVF_FLAG_RESET_PENDING
)) {
714 adapter
->flags
|= I40EVF_FLAG_RESET_PENDING
;
715 dev_info(&adapter
->pdev
->dev
, "Scheduling reset task\n");
716 schedule_work(&adapter
->reset_task
);
720 dev_err(&adapter
->pdev
->dev
, "Unknown event %d from PF\n",
728 case I40E_VIRTCHNL_OP_ADD_VLAN
:
729 dev_err(&adapter
->pdev
->dev
, "Failed to add VLAN filter, error %s\n",
730 i40evf_stat_str(&adapter
->hw
, v_retval
));
732 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
733 dev_err(&adapter
->pdev
->dev
, "Failed to add MAC filter, error %s\n",
734 i40evf_stat_str(&adapter
->hw
, v_retval
));
736 case I40E_VIRTCHNL_OP_DEL_VLAN
:
737 dev_err(&adapter
->pdev
->dev
, "Failed to delete VLAN filter, error %s\n",
738 i40evf_stat_str(&adapter
->hw
, v_retval
));
740 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
741 dev_err(&adapter
->pdev
->dev
, "Failed to delete MAC filter, error %s\n",
742 i40evf_stat_str(&adapter
->hw
, v_retval
));
745 dev_err(&adapter
->pdev
->dev
, "PF returned error %d (%s) to our request %d\n",
747 i40evf_stat_str(&adapter
->hw
, v_retval
),
752 case I40E_VIRTCHNL_OP_GET_STATS
: {
753 struct i40e_eth_stats
*stats
=
754 (struct i40e_eth_stats
*)msg
;
755 adapter
->net_stats
.rx_packets
= stats
->rx_unicast
+
756 stats
->rx_multicast
+
758 adapter
->net_stats
.tx_packets
= stats
->tx_unicast
+
759 stats
->tx_multicast
+
761 adapter
->net_stats
.rx_bytes
= stats
->rx_bytes
;
762 adapter
->net_stats
.tx_bytes
= stats
->tx_bytes
;
763 adapter
->net_stats
.tx_errors
= stats
->tx_errors
;
764 adapter
->net_stats
.rx_dropped
= stats
->rx_discards
;
765 adapter
->net_stats
.tx_dropped
= stats
->tx_discards
;
766 adapter
->current_stats
= *stats
;
769 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
: {
770 u16 len
= sizeof(struct i40e_virtchnl_vf_resource
) +
772 sizeof(struct i40e_virtchnl_vsi_resource
);
773 memcpy(adapter
->vf_res
, msg
, min(msglen
, len
));
774 i40e_vf_parse_hw_config(&adapter
->hw
, adapter
->vf_res
);
775 /* restore current mac address */
776 ether_addr_copy(adapter
->hw
.mac
.addr
, netdev
->dev_addr
);
777 i40evf_process_config(adapter
);
780 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
781 /* enable transmits */
782 i40evf_irq_enable(adapter
, true);
783 netif_tx_start_all_queues(adapter
->netdev
);
784 netif_carrier_on(adapter
->netdev
);
786 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
787 i40evf_free_all_tx_resources(adapter
);
788 i40evf_free_all_rx_resources(adapter
);
790 case I40E_VIRTCHNL_OP_VERSION
:
791 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
792 /* Don't display an error if we get these out of sequence.
793 * If the firmware needed to get kicked, we'll get these and
796 if (v_opcode
!= adapter
->current_op
)
800 if (v_opcode
!= adapter
->current_op
)
801 dev_warn(&adapter
->pdev
->dev
, "Expected response %d from PF, received %d\n",
802 adapter
->current_op
, v_opcode
);
804 } /* switch v_opcode */
805 adapter
->current_op
= I40E_VIRTCHNL_OP_UNKNOWN
;