1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
6 /*********************notification routines***********************/
10 * @pf: pointer to the PF structure
11 * @v_opcode: operation code
12 * @v_retval: return value
13 * @msg: pointer to the msg buffer
16 * send a message to all VFs on a given PF
18 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
19 enum virtchnl_ops v_opcode,
20 i40e_status v_retval, u8 *msg,
23 struct i40e_hw *hw = &pf->hw;
24 struct i40e_vf *vf = pf->vf;
27 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
28 int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
29 /* Not all vfs are enabled so skip the ones that are not */
30 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
31 !test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
34 /* Ignore return value on purpose - a given VF may fail, but
35 * we need to keep going and send to all of them
37 i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
43 * i40e_vc_notify_vf_link_state
44 * @vf: pointer to the VF structure
46 * send a link status message to a single VF
48 static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
50 struct virtchnl_pf_event pfe;
51 struct i40e_pf *pf = vf->pf;
52 struct i40e_hw *hw = &pf->hw;
53 struct i40e_link_status *ls = &pf->hw.phy.link_info;
54 int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
56 pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
57 pfe.severity = PF_EVENT_SEVERITY_INFO;
59 /* Always report link is down if the VF queues aren't enabled */
60 if (!vf->queues_enabled) {
61 pfe.event_data.link_event.link_status = false;
62 pfe.event_data.link_event.link_speed = 0;
63 } else if (vf->link_forced) {
64 pfe.event_data.link_event.link_status = vf->link_up;
65 pfe.event_data.link_event.link_speed =
66 (vf->link_up ? VIRTCHNL_LINK_SPEED_40GB : 0);
68 pfe.event_data.link_event.link_status =
69 ls->link_info & I40E_AQ_LINK_UP;
70 pfe.event_data.link_event.link_speed =
71 i40e_virtchnl_link_speed(ls->link_speed);
74 i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
75 0, (u8 *)&pfe, sizeof(pfe), NULL);
79 * i40e_vc_notify_link_state
80 * @pf: pointer to the PF structure
82 * send a link status message to all VFs on a given PF
84 void i40e_vc_notify_link_state(struct i40e_pf *pf)
88 for (i = 0; i < pf->num_alloc_vfs; i++)
89 i40e_vc_notify_vf_link_state(&pf->vf[i]);
93 * i40e_vc_notify_reset
94 * @pf: pointer to the PF structure
96 * indicate a pending reset to all VFs on a given PF
98 void i40e_vc_notify_reset(struct i40e_pf *pf)
100 struct virtchnl_pf_event pfe;
102 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
103 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
104 i40e_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, 0,
105 (u8 *)&pfe, sizeof(struct virtchnl_pf_event));
109 * i40e_vc_notify_vf_reset
110 * @vf: pointer to the VF structure
112 * indicate a pending reset to the given VF
114 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
116 struct virtchnl_pf_event pfe;
119 /* validate the request */
120 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
123 /* verify if the VF is in either init or active before proceeding */
124 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
125 !test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
128 abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id;
130 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
131 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
132 i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, VIRTCHNL_OP_EVENT,
134 sizeof(struct virtchnl_pf_event), NULL);
136 /***********************misc routines*****************************/
140 * @vf: pointer to the VF info
142 * Disable the VF through a SW reset.
144 static inline void i40e_vc_disable_vf(struct i40e_vf *vf)
148 i40e_vc_notify_vf_reset(vf);
150 /* We want to ensure that an actual reset occurs initiated after this
151 * function was called. However, we do not want to wait forever, so
152 * we'll give a reasonable time and print a message if we failed to
155 for (i = 0; i < 20; i++) {
156 if (i40e_reset_vf(vf, false))
158 usleep_range(10000, 20000);
161 dev_warn(&vf->pf->pdev->dev,
162 "Failed to initiate reset for VF %d after 200 milliseconds\n",
167 * i40e_vc_isvalid_vsi_id
168 * @vf: pointer to the VF info
169 * @vsi_id: VF relative VSI id
171 * check for the valid VSI id
173 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
175 struct i40e_pf *pf = vf->pf;
176 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
178 return (vsi && (vsi->vf_id == vf->vf_id));
182 * i40e_vc_isvalid_queue_id
183 * @vf: pointer to the VF info
185 * @qid: vsi relative queue id
187 * check for the valid queue id
189 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
192 struct i40e_pf *pf = vf->pf;
193 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
195 return (vsi && (qid < vsi->alloc_queue_pairs));
199 * i40e_vc_isvalid_vector_id
200 * @vf: pointer to the VF info
201 * @vector_id: VF relative vector id
203 * check for the valid vector id
205 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id)
207 struct i40e_pf *pf = vf->pf;
209 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
212 /***********************vf resource mgmt routines*****************/
215 * i40e_vc_get_pf_queue_id
216 * @vf: pointer to the VF info
217 * @vsi_id: id of VSI as provided by the FW
218 * @vsi_queue_id: vsi relative queue id
220 * return PF relative queue id
222 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
225 struct i40e_pf *pf = vf->pf;
226 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
227 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
232 if (le16_to_cpu(vsi->info.mapping_flags) &
233 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
235 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
237 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
244 * i40e_get_real_pf_qid
245 * @vf: pointer to the VF info
247 * @queue_id: queue number
249 * wrapper function to get pf_queue_id handling ADq code as well
251 static u16 i40e_get_real_pf_qid(struct i40e_vf *vf, u16 vsi_id, u16 queue_id)
255 if (vf->adq_enabled) {
256 /* Although VF considers all the queues(can be 1 to 16) as its
257 * own but they may actually belong to different VSIs(up to 4).
258 * We need to find which queues belongs to which VSI.
260 for (i = 0; i < vf->num_tc; i++) {
261 if (queue_id < vf->ch[i].num_qps) {
262 vsi_id = vf->ch[i].vsi_id;
265 /* find right queue id which is relative to a
268 queue_id -= vf->ch[i].num_qps;
272 return i40e_vc_get_pf_queue_id(vf, vsi_id, queue_id);
276 * i40e_config_irq_link_list
277 * @vf: pointer to the VF info
278 * @vsi_id: id of VSI as given by the FW
279 * @vecmap: irq map info
281 * configure irq link list from the map
283 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
284 struct virtchnl_vector_map *vecmap)
286 unsigned long linklistmap = 0, tempmap;
287 struct i40e_pf *pf = vf->pf;
288 struct i40e_hw *hw = &pf->hw;
289 u16 vsi_queue_id, pf_queue_id;
290 enum i40e_queue_type qtype;
291 u16 next_q, vector_id, size;
295 vector_id = vecmap->vector_id;
298 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
300 reg_idx = I40E_VPINT_LNKLSTN(
301 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
304 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
305 /* Special case - No queues mapped on this vector */
306 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
309 tempmap = vecmap->rxq_map;
310 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
311 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
315 tempmap = vecmap->txq_map;
316 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
317 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
321 size = I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES;
322 next_q = find_first_bit(&linklistmap, size);
323 if (unlikely(next_q == size))
326 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
327 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
328 pf_queue_id = i40e_get_real_pf_qid(vf, vsi_id, vsi_queue_id);
329 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
331 wr32(hw, reg_idx, reg);
333 while (next_q < size) {
335 case I40E_QUEUE_TYPE_RX:
336 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
337 itr_idx = vecmap->rxitr_idx;
339 case I40E_QUEUE_TYPE_TX:
340 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
341 itr_idx = vecmap->txitr_idx;
347 next_q = find_next_bit(&linklistmap, size, next_q + 1);
349 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
350 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
351 pf_queue_id = i40e_get_real_pf_qid(vf,
355 pf_queue_id = I40E_QUEUE_END_OF_LIST;
359 /* format for the RQCTL & TQCTL regs is same */
361 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
362 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
363 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
364 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
365 wr32(hw, reg_idx, reg);
368 /* if the vf is running in polling mode and using interrupt zero,
369 * need to disable auto-mask on enabling zero interrupt for VFs.
371 if ((vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
373 reg = rd32(hw, I40E_GLINT_CTL);
374 if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
375 reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
376 wr32(hw, I40E_GLINT_CTL, reg);
385 * i40e_release_iwarp_qvlist
386 * @vf: pointer to the VF.
389 static void i40e_release_iwarp_qvlist(struct i40e_vf *vf)
391 struct i40e_pf *pf = vf->pf;
392 struct virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info;
396 if (!vf->qvlist_info)
399 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
400 for (i = 0; i < qvlist_info->num_vectors; i++) {
401 struct virtchnl_iwarp_qv_info *qv_info;
402 u32 next_q_index, next_q_type;
403 struct i40e_hw *hw = &pf->hw;
404 u32 v_idx, reg_idx, reg;
406 qv_info = &qvlist_info->qv_info[i];
409 v_idx = qv_info->v_idx;
410 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
411 /* Figure out the queue after CEQ and make that the
414 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
415 reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx));
416 next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK)
417 >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT;
418 next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK)
419 >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT;
421 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
422 reg = (next_q_index &
423 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
425 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
427 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
430 kfree(vf->qvlist_info);
431 vf->qvlist_info = NULL;
435 * i40e_config_iwarp_qvlist
436 * @vf: pointer to the VF info
437 * @qvlist_info: queue and vector list
439 * Return 0 on success or < 0 on error
441 static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
442 struct virtchnl_iwarp_qvlist_info *qvlist_info)
444 struct i40e_pf *pf = vf->pf;
445 struct i40e_hw *hw = &pf->hw;
446 struct virtchnl_iwarp_qv_info *qv_info;
447 u32 v_idx, i, reg_idx, reg;
448 u32 next_q_idx, next_q_type;
452 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
454 if (qvlist_info->num_vectors > msix_vf) {
455 dev_warn(&pf->pdev->dev,
456 "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n",
457 qvlist_info->num_vectors,
463 kfree(vf->qvlist_info);
464 vf->qvlist_info = kzalloc(struct_size(vf->qvlist_info, qv_info,
465 qvlist_info->num_vectors - 1),
467 if (!vf->qvlist_info) {
471 vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
473 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
474 for (i = 0; i < qvlist_info->num_vectors; i++) {
475 qv_info = &qvlist_info->qv_info[i];
479 /* Validate vector id belongs to this vf */
480 if (!i40e_vc_isvalid_vector_id(vf, qv_info->v_idx)) {
485 v_idx = qv_info->v_idx;
487 vf->qvlist_info->qv_info[i] = *qv_info;
489 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
490 /* We might be sharing the interrupt, so get the first queue
491 * index and type, push it down the list by adding the new
492 * queue on top. Also link it with the new queue in CEQCTL.
494 reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx));
495 next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >>
496 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
497 next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >>
498 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
500 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
501 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
502 reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK |
503 (v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) |
504 (qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) |
505 (next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) |
506 (next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT));
507 wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg);
509 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
510 reg = (qv_info->ceq_idx &
511 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
512 (I40E_QUEUE_TYPE_PE_CEQ <<
513 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
514 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
517 if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
518 reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK |
519 (v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) |
520 (qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT));
522 wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg);
528 kfree(vf->qvlist_info);
529 vf->qvlist_info = NULL;
535 * i40e_config_vsi_tx_queue
536 * @vf: pointer to the VF info
537 * @vsi_id: id of VSI as provided by the FW
538 * @vsi_queue_id: vsi relative queue index
539 * @info: config. info
543 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
545 struct virtchnl_txq_info *info)
547 struct i40e_pf *pf = vf->pf;
548 struct i40e_hw *hw = &pf->hw;
549 struct i40e_hmc_obj_txq tx_ctx;
550 struct i40e_vsi *vsi;
555 if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
559 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
560 vsi = i40e_find_vsi_from_id(pf, vsi_id);
566 /* clear the context structure first */
567 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
569 /* only set the required fields */
570 tx_ctx.base = info->dma_ring_addr / 128;
571 tx_ctx.qlen = info->ring_len;
572 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
573 tx_ctx.rdylist_act = 0;
574 tx_ctx.head_wb_ena = info->headwb_enabled;
575 tx_ctx.head_wb_addr = info->dma_headwb_addr;
577 /* clear the context in the HMC */
578 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
580 dev_err(&pf->pdev->dev,
581 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
587 /* set the context in the HMC */
588 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
590 dev_err(&pf->pdev->dev,
591 "Failed to set VF LAN Tx queue context %d error: %d\n",
597 /* associate this queue with the PCI VF function */
598 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
599 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
600 & I40E_QTX_CTL_PF_INDX_MASK);
601 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
602 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
603 & I40E_QTX_CTL_VFVM_INDX_MASK);
604 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
612 * i40e_config_vsi_rx_queue
613 * @vf: pointer to the VF info
614 * @vsi_id: id of VSI as provided by the FW
615 * @vsi_queue_id: vsi relative queue index
616 * @info: config. info
620 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
622 struct virtchnl_rxq_info *info)
624 struct i40e_pf *pf = vf->pf;
625 struct i40e_hw *hw = &pf->hw;
626 struct i40e_hmc_obj_rxq rx_ctx;
630 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
632 /* clear the context structure first */
633 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
635 /* only set the required fields */
636 rx_ctx.base = info->dma_ring_addr / 128;
637 rx_ctx.qlen = info->ring_len;
639 if (info->splithdr_enabled) {
640 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
642 I40E_RX_SPLIT_TCP_UDP |
644 /* header length validation */
645 if (info->hdr_size > ((2 * 1024) - 64)) {
649 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
651 /* set split mode 10b */
652 rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
655 /* databuffer length validation */
656 if (info->databuffer_size > ((16 * 1024) - 128)) {
660 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
662 /* max pkt. length validation */
663 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
667 rx_ctx.rxmax = info->max_pkt_size;
669 /* enable 32bytes desc always */
673 rx_ctx.lrxqthresh = 1;
678 /* clear the context in the HMC */
679 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
681 dev_err(&pf->pdev->dev,
682 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
688 /* set the context in the HMC */
689 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
691 dev_err(&pf->pdev->dev,
692 "Failed to set VF LAN Rx queue context %d error: %d\n",
704 * @vf: pointer to the VF info
705 * @idx: VSI index, applies only for ADq mode, zero otherwise
707 * alloc VF vsi context & resources
709 static int i40e_alloc_vsi_res(struct i40e_vf *vf, u8 idx)
711 struct i40e_mac_filter *f = NULL;
712 struct i40e_pf *pf = vf->pf;
713 struct i40e_vsi *vsi;
717 vsi = i40e_vsi_setup(pf, I40E_VSI_SRIOV, pf->vsi[pf->lan_vsi]->seid,
721 dev_err(&pf->pdev->dev,
722 "add vsi failed for VF %d, aq_err %d\n",
723 vf->vf_id, pf->hw.aq.asq_last_status);
725 goto error_alloc_vsi_res;
729 u64 hena = i40e_pf_get_default_rss_hena(pf);
730 u8 broadcast[ETH_ALEN];
732 vf->lan_vsi_idx = vsi->idx;
733 vf->lan_vsi_id = vsi->id;
734 /* If the port VLAN has been configured and then the
735 * VF driver was removed then the VSI port VLAN
736 * configuration was destroyed. Check if there is
737 * a port VLAN and restore the VSI configuration if
740 if (vf->port_vlan_id)
741 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
743 spin_lock_bh(&vsi->mac_filter_hash_lock);
744 if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
745 f = i40e_add_mac_filter(vsi,
746 vf->default_lan_addr.addr);
748 dev_info(&pf->pdev->dev,
749 "Could not add MAC filter %pM for VF %d\n",
750 vf->default_lan_addr.addr, vf->vf_id);
752 eth_broadcast_addr(broadcast);
753 f = i40e_add_mac_filter(vsi, broadcast);
755 dev_info(&pf->pdev->dev,
756 "Could not allocate VF broadcast filter\n");
757 spin_unlock_bh(&vsi->mac_filter_hash_lock);
758 wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena);
759 wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32));
760 /* program mac filter only for VF VSI */
761 ret = i40e_sync_vsi_filters(vsi);
763 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
766 /* storing VSI index and id for ADq and don't apply the mac filter */
767 if (vf->adq_enabled) {
768 vf->ch[idx].vsi_idx = vsi->idx;
769 vf->ch[idx].vsi_id = vsi->id;
772 /* Set VF bandwidth if specified */
774 max_tx_rate = vf->tx_rate;
775 } else if (vf->ch[idx].max_tx_rate) {
776 max_tx_rate = vf->ch[idx].max_tx_rate;
780 max_tx_rate = div_u64(max_tx_rate, I40E_BW_CREDIT_DIVISOR);
781 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
782 max_tx_rate, 0, NULL);
784 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
793 * i40e_map_pf_queues_to_vsi
794 * @vf: pointer to the VF info
796 * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
797 * function takes care of first part VSILAN_QTABLE, mapping pf queues to VSI.
799 static void i40e_map_pf_queues_to_vsi(struct i40e_vf *vf)
801 struct i40e_pf *pf = vf->pf;
802 struct i40e_hw *hw = &pf->hw;
803 u32 reg, num_tc = 1; /* VF has at least one traffic class */
810 for (i = 0; i < num_tc; i++) {
811 if (vf->adq_enabled) {
812 qps = vf->ch[i].num_qps;
813 vsi_id = vf->ch[i].vsi_id;
815 qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
816 vsi_id = vf->lan_vsi_id;
819 for (j = 0; j < 7; j++) {
824 u16 qid = i40e_vc_get_pf_queue_id(vf,
828 qid = i40e_vc_get_pf_queue_id(vf, vsi_id,
832 i40e_write_rx_ctl(hw,
833 I40E_VSILAN_QTABLE(j, vsi_id),
840 * i40e_map_pf_to_vf_queues
841 * @vf: pointer to the VF info
843 * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
844 * function takes care of the second part VPLAN_QTABLE & completes VF mappings.
846 static void i40e_map_pf_to_vf_queues(struct i40e_vf *vf)
848 struct i40e_pf *pf = vf->pf;
849 struct i40e_hw *hw = &pf->hw;
850 u32 reg, total_qps = 0;
851 u32 qps, num_tc = 1; /* VF has at least one traffic class */
858 for (i = 0; i < num_tc; i++) {
859 if (vf->adq_enabled) {
860 qps = vf->ch[i].num_qps;
861 vsi_id = vf->ch[i].vsi_id;
863 qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
864 vsi_id = vf->lan_vsi_id;
867 for (j = 0; j < qps; j++) {
868 qid = i40e_vc_get_pf_queue_id(vf, vsi_id, j);
870 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
871 wr32(hw, I40E_VPLAN_QTABLE(total_qps, vf->vf_id),
879 * i40e_enable_vf_mappings
880 * @vf: pointer to the VF info
884 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
886 struct i40e_pf *pf = vf->pf;
887 struct i40e_hw *hw = &pf->hw;
890 /* Tell the hardware we're using noncontiguous mapping. HW requires
891 * that VF queues be mapped using this method, even when they are
892 * contiguous in real life
894 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
895 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
897 /* enable VF vplan_qtable mappings */
898 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
899 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
901 i40e_map_pf_to_vf_queues(vf);
902 i40e_map_pf_queues_to_vsi(vf);
908 * i40e_disable_vf_mappings
909 * @vf: pointer to the VF info
911 * disable VF mappings
913 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
915 struct i40e_pf *pf = vf->pf;
916 struct i40e_hw *hw = &pf->hw;
919 /* disable qp mappings */
920 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
921 for (i = 0; i < I40E_MAX_VSI_QP; i++)
922 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
923 I40E_QUEUE_END_OF_LIST);
929 * @vf: pointer to the VF info
933 static void i40e_free_vf_res(struct i40e_vf *vf)
935 struct i40e_pf *pf = vf->pf;
936 struct i40e_hw *hw = &pf->hw;
940 /* Start by disabling VF's configuration API to prevent the OS from
941 * accessing the VF's VSI after it's freed / invalidated.
943 clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
945 /* It's possible the VF had requeuested more queues than the default so
946 * do the accounting here when we're about to free them.
948 if (vf->num_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF) {
949 pf->queues_left += vf->num_queue_pairs -
950 I40E_DEFAULT_QUEUES_PER_VF;
953 /* free vsi & disconnect it from the parent uplink */
954 if (vf->lan_vsi_idx) {
955 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
961 /* do the accounting and remove additional ADq VSI's */
962 if (vf->adq_enabled && vf->ch[0].vsi_idx) {
963 for (j = 0; j < vf->num_tc; j++) {
964 /* At this point VSI0 is already released so don't
965 * release it again and only clear their values in
966 * structure variables
969 i40e_vsi_release(pf->vsi[vf->ch[j].vsi_idx]);
970 vf->ch[j].vsi_idx = 0;
971 vf->ch[j].vsi_id = 0;
974 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
976 /* disable interrupts so the VF starts in a known state */
977 for (i = 0; i < msix_vf; i++) {
978 /* format is same for both registers */
980 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
982 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
985 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
989 /* clear the irq settings */
990 for (i = 0; i < msix_vf; i++) {
991 /* format is same for both registers */
993 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
995 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
998 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
999 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
1000 wr32(hw, reg_idx, reg);
1003 /* reset some of the state variables keeping track of the resources */
1004 vf->num_queue_pairs = 0;
1005 clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
1006 clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
1011 * @vf: pointer to the VF info
1013 * allocate VF resources
1015 static int i40e_alloc_vf_res(struct i40e_vf *vf)
1017 struct i40e_pf *pf = vf->pf;
1018 int total_queue_pairs = 0;
1021 if (vf->num_req_queues &&
1022 vf->num_req_queues <= pf->queues_left + I40E_DEFAULT_QUEUES_PER_VF)
1023 pf->num_vf_qps = vf->num_req_queues;
1025 pf->num_vf_qps = I40E_DEFAULT_QUEUES_PER_VF;
1027 /* allocate hw vsi context & associated resources */
1028 ret = i40e_alloc_vsi_res(vf, 0);
1031 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
1033 /* allocate additional VSIs based on tc information for ADq */
1034 if (vf->adq_enabled) {
1035 if (pf->queues_left >=
1036 (I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF)) {
1037 /* TC 0 always belongs to VF VSI */
1038 for (idx = 1; idx < vf->num_tc; idx++) {
1039 ret = i40e_alloc_vsi_res(vf, idx);
1043 /* send correct number of queues */
1044 total_queue_pairs = I40E_MAX_VF_QUEUES;
1046 dev_info(&pf->pdev->dev, "VF %d: Not enough queues to allocate, disabling ADq\n",
1048 vf->adq_enabled = false;
1052 /* We account for each VF to get a default number of queue pairs. If
1053 * the VF has now requested more, we need to account for that to make
1054 * certain we never request more queues than we actually have left in
1057 if (total_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF)
1059 total_queue_pairs - I40E_DEFAULT_QUEUES_PER_VF;
1062 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
1064 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
1066 /* store the total qps number for the runtime
1069 vf->num_queue_pairs = total_queue_pairs;
1071 /* VF is now completely initialized */
1072 set_bit(I40E_VF_STATE_INIT, &vf->vf_states);
1076 i40e_free_vf_res(vf);
1081 #define VF_DEVICE_STATUS 0xAA
1082 #define VF_TRANS_PENDING_MASK 0x20
1084 * i40e_quiesce_vf_pci
1085 * @vf: pointer to the VF structure
1087 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
1088 * if the transactions never clear.
1090 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
1092 struct i40e_pf *pf = vf->pf;
1093 struct i40e_hw *hw = &pf->hw;
1097 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
1099 wr32(hw, I40E_PF_PCI_CIAA,
1100 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
1101 for (i = 0; i < 100; i++) {
1102 reg = rd32(hw, I40E_PF_PCI_CIAD);
1103 if ((reg & VF_TRANS_PENDING_MASK) == 0)
1110 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi);
1113 * i40e_config_vf_promiscuous_mode
1114 * @vf: pointer to the VF info
1116 * @allmulti: set MAC L2 layer multicast promiscuous enable/disable
1117 * @alluni: set MAC L2 layer unicast promiscuous enable/disable
1119 * Called from the VF to configure the promiscuous mode of
1120 * VF vsis and from the VF reset path to reset promiscuous mode.
1122 static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf,
1127 struct i40e_pf *pf = vf->pf;
1128 struct i40e_hw *hw = &pf->hw;
1129 struct i40e_mac_filter *f;
1130 i40e_status aq_ret = 0;
1131 struct i40e_vsi *vsi;
1134 vsi = i40e_find_vsi_from_id(pf, vsi_id);
1135 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id) || !vsi)
1136 return I40E_ERR_PARAM;
1138 if (vf->port_vlan_id) {
1139 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1144 int aq_err = pf->hw.aq.asq_last_status;
1146 dev_err(&pf->pdev->dev,
1147 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1149 i40e_stat_str(&pf->hw, aq_ret),
1150 i40e_aq_str(&pf->hw, aq_err));
1154 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1159 int aq_err = pf->hw.aq.asq_last_status;
1161 dev_err(&pf->pdev->dev,
1162 "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
1164 i40e_stat_str(&pf->hw, aq_ret),
1165 i40e_aq_str(&pf->hw, aq_err));
1168 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1169 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1170 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1172 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1178 int aq_err = pf->hw.aq.asq_last_status;
1180 dev_err(&pf->pdev->dev,
1181 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1183 i40e_stat_str(&pf->hw, aq_ret),
1184 i40e_aq_str(&pf->hw, aq_err));
1187 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1193 int aq_err = pf->hw.aq.asq_last_status;
1195 dev_err(&pf->pdev->dev,
1196 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1198 i40e_stat_str(&pf->hw, aq_ret),
1199 i40e_aq_str(&pf->hw, aq_err));
1204 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, allmulti,
1207 int aq_err = pf->hw.aq.asq_last_status;
1209 dev_err(&pf->pdev->dev,
1210 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1212 i40e_stat_str(&pf->hw, aq_ret),
1213 i40e_aq_str(&pf->hw, aq_err));
1217 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid, alluni,
1220 int aq_err = pf->hw.aq.asq_last_status;
1222 dev_err(&pf->pdev->dev,
1223 "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
1225 i40e_stat_str(&pf->hw, aq_ret),
1226 i40e_aq_str(&pf->hw, aq_err));
1233 * i40e_trigger_vf_reset
1234 * @vf: pointer to the VF structure
1235 * @flr: VFLR was issued or not
1237 * Trigger hardware to start a reset for a particular VF. Expects the caller
1238 * to wait the proper amount of time to allow hardware to reset the VF before
1239 * it cleans up and restores VF functionality.
1241 static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
1243 struct i40e_pf *pf = vf->pf;
1244 struct i40e_hw *hw = &pf->hw;
1245 u32 reg, reg_idx, bit_idx;
1248 clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
1250 /* Disable VF's configuration API during reset. The flag is re-enabled
1251 * in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
1252 * It's normally disabled in i40e_free_vf_res(), but it's safer
1253 * to do it earlier to give some time to finish to any VF config
1254 * functions that may still be running at this point.
1256 clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
1258 /* In the case of a VFLR, the HW has already reset the VF and we
1259 * just need to clean up, so don't hit the VFRTRIG register.
1262 /* reset VF using VPGEN_VFRTRIG reg */
1263 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
1264 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
1265 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
1268 /* clear the VFLR bit in GLGEN_VFLRSTAT */
1269 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
1270 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
1271 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1274 if (i40e_quiesce_vf_pci(vf))
1275 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
1280 * i40e_cleanup_reset_vf
1281 * @vf: pointer to the VF structure
1283 * Cleanup a VF after the hardware reset is finished. Expects the caller to
1284 * have verified whether the reset is finished properly, and ensure the
1285 * minimum amount of wait time has passed.
1287 static void i40e_cleanup_reset_vf(struct i40e_vf *vf)
1289 struct i40e_pf *pf = vf->pf;
1290 struct i40e_hw *hw = &pf->hw;
1293 /* disable promisc modes in case they were enabled */
1294 i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id, false, false);
1296 /* free VF resources to begin resetting the VSI state */
1297 i40e_free_vf_res(vf);
1299 /* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg.
1300 * By doing this we allow HW to access VF memory at any point. If we
1301 * did it any sooner, HW could access memory while it was being freed
1302 * in i40e_free_vf_res(), causing an IOMMU fault.
1304 * On the other hand, this needs to be done ASAP, because the VF driver
1305 * is waiting for this to happen and may report a timeout. It's
1306 * harmless, but it gets logged into Guest OS kernel log, so best avoid
1309 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
1310 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
1311 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
1313 /* reallocate VF resources to finish resetting the VSI state */
1314 if (!i40e_alloc_vf_res(vf)) {
1315 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1316 i40e_enable_vf_mappings(vf);
1317 set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
1318 clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
1319 /* Do not notify the client during VF init */
1320 if (!test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE,
1322 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1326 /* Tell the VF driver the reset is done. This needs to be done only
1327 * after VF has been fully initialized, because the VF driver may
1328 * request resources immediately after setting this flag.
1330 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
1335 * @vf: pointer to the VF structure
1336 * @flr: VFLR was issued or not
1338 * Returns true if the VF is reset, false otherwise.
1340 bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
1342 struct i40e_pf *pf = vf->pf;
1343 struct i40e_hw *hw = &pf->hw;
1348 /* If the VFs have been disabled, this means something else is
1349 * resetting the VF, so we shouldn't continue.
1351 if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1354 i40e_trigger_vf_reset(vf, flr);
1356 /* poll VPGEN_VFRSTAT reg to make sure
1357 * that reset is complete
1359 for (i = 0; i < 10; i++) {
1360 /* VF reset requires driver to first reset the VF and then
1361 * poll the status register to make sure that the reset
1362 * completed successfully. Due to internal HW FIFO flushes,
1363 * we must wait 10ms before the register will be valid.
1365 usleep_range(10000, 20000);
1366 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
1367 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
1374 usleep_range(10000, 20000);
1377 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
1379 usleep_range(10000, 20000);
1381 /* On initial reset, we don't have any queues to disable */
1382 if (vf->lan_vsi_idx != 0)
1383 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1385 i40e_cleanup_reset_vf(vf);
1388 clear_bit(__I40E_VF_DISABLE, pf->state);
1394 * i40e_reset_all_vfs
1395 * @pf: pointer to the PF structure
1396 * @flr: VFLR was issued or not
1398 * Reset all allocated VFs in one go. First, tell the hardware to reset each
1399 * VF, then do all the waiting in one chunk, and finally finish restoring each
1400 * VF after the wait. This is useful during PF routines which need to reset
1401 * all VFs, as otherwise it must perform these resets in a serialized fashion.
1403 * Returns true if any VFs were reset, and false otherwise.
1405 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
1407 struct i40e_hw *hw = &pf->hw;
1412 /* If we don't have any VFs, then there is nothing to reset */
1413 if (!pf->num_alloc_vfs)
1416 /* If VFs have been disabled, there is no need to reset */
1417 if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1420 /* Begin reset on all VFs at once */
1421 for (v = 0; v < pf->num_alloc_vfs; v++)
1422 i40e_trigger_vf_reset(&pf->vf[v], flr);
1424 /* HW requires some time to make sure it can flush the FIFO for a VF
1425 * when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
1426 * sequence to make sure that it has completed. We'll keep track of
1427 * the VFs using a simple iterator that increments once that VF has
1428 * finished resetting.
1430 for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
1431 usleep_range(10000, 20000);
1433 /* Check each VF in sequence, beginning with the VF to fail
1434 * the previous check.
1436 while (v < pf->num_alloc_vfs) {
1438 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
1439 if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
1442 /* If the current VF has finished resetting, move on
1443 * to the next VF in sequence.
1450 usleep_range(10000, 20000);
1452 /* Display a warning if at least one VF didn't manage to reset in
1453 * time, but continue on with the operation.
1455 if (v < pf->num_alloc_vfs)
1456 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
1458 usleep_range(10000, 20000);
1460 /* Begin disabling all the rings associated with VFs, but do not wait
1463 for (v = 0; v < pf->num_alloc_vfs; v++) {
1464 /* On initial reset, we don't have any queues to disable */
1465 if (pf->vf[v].lan_vsi_idx == 0)
1468 i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
1471 /* Now that we've notified HW to disable all of the VF rings, wait
1472 * until they finish.
1474 for (v = 0; v < pf->num_alloc_vfs; v++) {
1475 /* On initial reset, we don't have any queues to disable */
1476 if (pf->vf[v].lan_vsi_idx == 0)
1479 i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
1482 /* Hw may need up to 50ms to finish disabling the RX queues. We
1483 * minimize the wait by delaying only once for all VFs.
1487 /* Finish the reset on each VF */
1488 for (v = 0; v < pf->num_alloc_vfs; v++)
1489 i40e_cleanup_reset_vf(&pf->vf[v]);
1492 clear_bit(__I40E_VF_DISABLE, pf->state);
1499 * @pf: pointer to the PF structure
1503 void i40e_free_vfs(struct i40e_pf *pf)
1505 struct i40e_hw *hw = &pf->hw;
1506 u32 reg_idx, bit_idx;
1511 while (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1512 usleep_range(1000, 2000);
1514 i40e_notify_client_of_vf_enable(pf, 0);
1516 /* Amortize wait time by stopping all VFs at the same time */
1517 for (i = 0; i < pf->num_alloc_vfs; i++) {
1518 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1521 i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[i].lan_vsi_idx]);
1524 for (i = 0; i < pf->num_alloc_vfs; i++) {
1525 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1528 i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]);
1531 /* Disable IOV before freeing resources. This lets any VF drivers
1532 * running in the host get themselves cleaned up before we yank
1533 * the carpet out from underneath their feet.
1535 if (!pci_vfs_assigned(pf->pdev))
1536 pci_disable_sriov(pf->pdev);
1538 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1540 /* free up VF resources */
1541 tmp = pf->num_alloc_vfs;
1542 pf->num_alloc_vfs = 0;
1543 for (i = 0; i < tmp; i++) {
1544 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1545 i40e_free_vf_res(&pf->vf[i]);
1546 /* disable qp mappings */
1547 i40e_disable_vf_mappings(&pf->vf[i]);
1553 /* This check is for when the driver is unloaded while VFs are
1554 * assigned. Setting the number of VFs to 0 through sysfs is caught
1555 * before this function ever gets called.
1557 if (!pci_vfs_assigned(pf->pdev)) {
1558 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1559 * work correctly when SR-IOV gets re-enabled.
1561 for (vf_id = 0; vf_id < tmp; vf_id++) {
1562 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1563 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1564 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1567 clear_bit(__I40E_VF_DISABLE, pf->state);
1570 #ifdef CONFIG_PCI_IOV
1573 * @pf: pointer to the PF structure
1574 * @num_alloc_vfs: number of VFs to allocate
1576 * allocate VF resources
1578 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1580 struct i40e_vf *vfs;
1583 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1584 i40e_irq_dynamic_disable_icr0(pf);
1586 /* Check to see if we're just allocating resources for extant VFs */
1587 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1588 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1590 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1591 pf->num_alloc_vfs = 0;
1595 /* allocate memory */
1596 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1603 /* apply default profile */
1604 for (i = 0; i < num_alloc_vfs; i++) {
1606 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1609 /* assign default capabilities */
1610 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1611 vfs[i].spoofchk = true;
1613 set_bit(I40E_VF_STATE_PRE_ENABLE, &vfs[i].vf_states);
1616 pf->num_alloc_vfs = num_alloc_vfs;
1618 /* VF resources get allocated during reset */
1619 i40e_reset_all_vfs(pf, false);
1621 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1627 /* Re-enable interrupt 0. */
1628 i40e_irq_dynamic_enable_icr0(pf);
1634 * i40e_pci_sriov_enable
1635 * @pdev: pointer to a pci_dev structure
1636 * @num_vfs: number of VFs to allocate
1638 * Enable or change the number of VFs
1640 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1642 #ifdef CONFIG_PCI_IOV
1643 struct i40e_pf *pf = pci_get_drvdata(pdev);
1644 int pre_existing_vfs = pci_num_vf(pdev);
1647 if (test_bit(__I40E_TESTING, pf->state)) {
1648 dev_warn(&pdev->dev,
1649 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1654 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1656 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1659 if (num_vfs > pf->num_req_vfs) {
1660 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1661 num_vfs, pf->num_req_vfs);
1666 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1667 err = i40e_alloc_vfs(pf, num_vfs);
1669 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1683 * i40e_pci_sriov_configure
1684 * @pdev: pointer to a pci_dev structure
1685 * @num_vfs: number of VFs to allocate
1687 * Enable or change the number of VFs. Called when the user updates the number
1690 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1692 struct i40e_pf *pf = pci_get_drvdata(pdev);
1695 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
1696 dev_warn(&pdev->dev, "Unable to configure VFs, other operation is pending.\n");
1701 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1702 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1703 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
1705 ret = i40e_pci_sriov_enable(pdev, num_vfs);
1706 goto sriov_configure_out;
1709 if (!pci_vfs_assigned(pf->pdev)) {
1711 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1712 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
1714 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1716 goto sriov_configure_out;
1718 sriov_configure_out:
1719 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
1723 /***********************virtual channel routines******************/
1726 * i40e_vc_send_msg_to_vf
1727 * @vf: pointer to the VF info
1728 * @v_opcode: virtual channel opcode
1729 * @v_retval: virtual channel return value
1730 * @msg: pointer to the msg buffer
1731 * @msglen: msg length
1735 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1736 u32 v_retval, u8 *msg, u16 msglen)
1743 /* validate the request */
1744 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1749 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1751 /* single place to detect unsuccessful return values */
1753 vf->num_invalid_msgs++;
1754 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1755 vf->vf_id, v_opcode, v_retval);
1756 if (vf->num_invalid_msgs >
1757 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1758 dev_err(&pf->pdev->dev,
1759 "Number of invalid messages exceeded for VF %d\n",
1761 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1762 set_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
1765 vf->num_valid_msgs++;
1766 /* reset the invalid counter, if a valid message is received. */
1767 vf->num_invalid_msgs = 0;
1770 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1773 dev_info(&pf->pdev->dev,
1774 "Unable to send the message to VF %d aq_err %d\n",
1775 vf->vf_id, pf->hw.aq.asq_last_status);
1783 * i40e_vc_send_resp_to_vf
1784 * @vf: pointer to the VF info
1785 * @opcode: operation code
1786 * @retval: return value
1788 * send resp msg to VF
1790 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1791 enum virtchnl_ops opcode,
1794 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1798 * i40e_vc_get_version_msg
1799 * @vf: pointer to the VF info
1800 * @msg: pointer to the msg buffer
1802 * called from the VF to request the API version used by the PF
1804 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1806 struct virtchnl_version_info info = {
1807 VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR
1810 vf->vf_ver = *(struct virtchnl_version_info *)msg;
1811 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1812 if (VF_IS_V10(&vf->vf_ver))
1813 info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1814 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
1815 I40E_SUCCESS, (u8 *)&info,
1816 sizeof(struct virtchnl_version_info));
1820 * i40e_del_qch - delete all the additional VSIs created as a part of ADq
1821 * @vf: pointer to VF structure
1823 static void i40e_del_qch(struct i40e_vf *vf)
1825 struct i40e_pf *pf = vf->pf;
1828 /* first element in the array belongs to primary VF VSI and we shouldn't
1829 * delete it. We should however delete the rest of the VSIs created
1831 for (i = 1; i < vf->num_tc; i++) {
1832 if (vf->ch[i].vsi_idx) {
1833 i40e_vsi_release(pf->vsi[vf->ch[i].vsi_idx]);
1834 vf->ch[i].vsi_idx = 0;
1835 vf->ch[i].vsi_id = 0;
1841 * i40e_vc_get_vf_resources_msg
1842 * @vf: pointer to the VF info
1843 * @msg: pointer to the msg buffer
1845 * called from the VF to request its resources
1847 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1849 struct virtchnl_vf_resource *vfres = NULL;
1850 struct i40e_pf *pf = vf->pf;
1851 i40e_status aq_ret = 0;
1852 struct i40e_vsi *vsi;
1857 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
1858 aq_ret = I40E_ERR_PARAM;
1862 len = struct_size(vfres, vsi_res, num_vsis);
1863 vfres = kzalloc(len, GFP_KERNEL);
1865 aq_ret = I40E_ERR_NO_MEMORY;
1869 if (VF_IS_V11(&vf->vf_ver))
1870 vf->driver_caps = *(u32 *)msg;
1872 vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 |
1873 VIRTCHNL_VF_OFFLOAD_RSS_REG |
1874 VIRTCHNL_VF_OFFLOAD_VLAN;
1876 vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2;
1877 vsi = pf->vsi[vf->lan_vsi_idx];
1878 if (!vsi->info.pvid)
1879 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN;
1881 if (i40e_vf_client_capable(pf, vf->vf_id) &&
1882 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_IWARP)) {
1883 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_IWARP;
1884 set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
1886 clear_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
1889 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1890 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;
1892 if ((pf->hw_features & I40E_HW_RSS_AQ_CAPABLE) &&
1893 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1894 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1896 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG;
1899 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1900 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1901 vfres->vf_cap_flags |=
1902 VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1905 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP)
1906 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP;
1908 if ((pf->hw_features & I40E_HW_OUTER_UDP_CSUM_CAPABLE) &&
1909 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM))
1910 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
1912 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1913 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1914 dev_err(&pf->pdev->dev,
1915 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1917 aq_ret = I40E_ERR_PARAM;
1920 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1923 if (pf->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) {
1924 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1925 vfres->vf_cap_flags |=
1926 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1929 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)
1930 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES;
1932 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)
1933 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADQ;
1935 vfres->num_vsis = num_vsis;
1936 vfres->num_queue_pairs = vf->num_queue_pairs;
1937 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1938 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1939 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1941 if (vf->lan_vsi_idx) {
1942 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1943 vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
1944 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1945 /* VFs only use TC 0 */
1946 vfres->vsi_res[0].qset_handle
1947 = le16_to_cpu(vsi->info.qs_handle[0]);
1948 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1949 vf->default_lan_addr.addr);
1951 set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
1954 /* send the response back to the VF */
1955 ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES,
1956 aq_ret, (u8 *)vfres, len);
1963 * i40e_vc_reset_vf_msg
1964 * @vf: pointer to the VF info
1966 * called from the VF to reset itself,
1967 * unlike other virtchnl messages, PF driver
1968 * doesn't send the response back to the VF
1970 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1972 if (test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
1973 i40e_reset_vf(vf, false);
1977 * i40e_getnum_vf_vsi_vlan_filters
1978 * @vsi: pointer to the vsi
1980 * called to get the number of VLANs offloaded on this VF
1982 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1984 struct i40e_mac_filter *f;
1985 int num_vlans = 0, bkt;
1987 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1988 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1996 * i40e_vc_config_promiscuous_mode_msg
1997 * @vf: pointer to the VF info
1998 * @msg: pointer to the msg buffer
2000 * called from the VF to configure the promiscuous mode of
2003 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg)
2005 struct virtchnl_promisc_info *info =
2006 (struct virtchnl_promisc_info *)msg;
2007 struct i40e_pf *pf = vf->pf;
2008 i40e_status aq_ret = 0;
2009 bool allmulti = false;
2010 bool alluni = false;
2012 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2013 aq_ret = I40E_ERR_PARAM;
2016 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2017 dev_err(&pf->pdev->dev,
2018 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
2021 /* Lie to the VF on purpose, because this is an error we can
2022 * ignore. Unprivileged VF is not a virtual channel error.
2028 if (info->flags > I40E_MAX_VF_PROMISC_FLAGS) {
2029 aq_ret = I40E_ERR_PARAM;
2033 if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
2034 aq_ret = I40E_ERR_PARAM;
2038 /* Multicast promiscuous handling*/
2039 if (info->flags & FLAG_VF_MULTICAST_PROMISC)
2042 if (info->flags & FLAG_VF_UNICAST_PROMISC)
2044 aq_ret = i40e_config_vf_promiscuous_mode(vf, info->vsi_id, allmulti,
2050 if (!test_and_set_bit(I40E_VF_STATE_MC_PROMISC,
2052 dev_info(&pf->pdev->dev,
2053 "VF %d successfully set multicast promiscuous mode\n",
2055 } else if (test_and_clear_bit(I40E_VF_STATE_MC_PROMISC,
2057 dev_info(&pf->pdev->dev,
2058 "VF %d successfully unset multicast promiscuous mode\n",
2062 if (!test_and_set_bit(I40E_VF_STATE_UC_PROMISC,
2064 dev_info(&pf->pdev->dev,
2065 "VF %d successfully set unicast promiscuous mode\n",
2067 } else if (test_and_clear_bit(I40E_VF_STATE_UC_PROMISC,
2069 dev_info(&pf->pdev->dev,
2070 "VF %d successfully unset unicast promiscuous mode\n",
2074 /* send the response to the VF */
2075 return i40e_vc_send_resp_to_vf(vf,
2076 VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
2081 * i40e_vc_config_queues_msg
2082 * @vf: pointer to the VF info
2083 * @msg: pointer to the msg buffer
2085 * called from the VF to configure the rx/tx
2088 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg)
2090 struct virtchnl_vsi_queue_config_info *qci =
2091 (struct virtchnl_vsi_queue_config_info *)msg;
2092 struct virtchnl_queue_pair_info *qpi;
2093 struct i40e_pf *pf = vf->pf;
2094 u16 vsi_id, vsi_queue_id = 0;
2095 u16 num_qps_all = 0;
2096 i40e_status aq_ret = 0;
2097 int i, j = 0, idx = 0;
2099 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2100 aq_ret = I40E_ERR_PARAM;
2104 if (!i40e_vc_isvalid_vsi_id(vf, qci->vsi_id)) {
2105 aq_ret = I40E_ERR_PARAM;
2109 if (qci->num_queue_pairs > I40E_MAX_VF_QUEUES) {
2110 aq_ret = I40E_ERR_PARAM;
2114 if (vf->adq_enabled) {
2115 for (i = 0; i < I40E_MAX_VF_VSI; i++)
2116 num_qps_all += vf->ch[i].num_qps;
2117 if (num_qps_all != qci->num_queue_pairs) {
2118 aq_ret = I40E_ERR_PARAM;
2123 vsi_id = qci->vsi_id;
2125 for (i = 0; i < qci->num_queue_pairs; i++) {
2126 qpi = &qci->qpair[i];
2128 if (!vf->adq_enabled) {
2129 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
2130 qpi->txq.queue_id)) {
2131 aq_ret = I40E_ERR_PARAM;
2135 vsi_queue_id = qpi->txq.queue_id;
2137 if (qpi->txq.vsi_id != qci->vsi_id ||
2138 qpi->rxq.vsi_id != qci->vsi_id ||
2139 qpi->rxq.queue_id != vsi_queue_id) {
2140 aq_ret = I40E_ERR_PARAM;
2145 if (vf->adq_enabled) {
2146 if (idx >= ARRAY_SIZE(vf->ch)) {
2147 aq_ret = I40E_ERR_NO_AVAILABLE_VSI;
2150 vsi_id = vf->ch[idx].vsi_id;
2153 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
2155 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
2157 aq_ret = I40E_ERR_PARAM;
2161 /* For ADq there can be up to 4 VSIs with max 4 queues each.
2162 * VF does not know about these additional VSIs and all
2163 * it cares is about its own queues. PF configures these queues
2164 * to its appropriate VSIs based on TC mapping
2166 if (vf->adq_enabled) {
2167 if (idx >= ARRAY_SIZE(vf->ch)) {
2168 aq_ret = I40E_ERR_NO_AVAILABLE_VSI;
2171 if (j == (vf->ch[idx].num_qps - 1)) {
2173 j = 0; /* resetting the queue count */
2181 /* set vsi num_queue_pairs in use to num configured by VF */
2182 if (!vf->adq_enabled) {
2183 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs =
2184 qci->num_queue_pairs;
2186 for (i = 0; i < vf->num_tc; i++)
2187 pf->vsi[vf->ch[i].vsi_idx]->num_queue_pairs =
2192 /* send the response to the VF */
2193 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
2198 * i40e_validate_queue_map
2200 * @queuemap: Tx or Rx queue map
2202 * check if Tx or Rx queue map is valid
2204 static int i40e_validate_queue_map(struct i40e_vf *vf, u16 vsi_id,
2205 unsigned long queuemap)
2207 u16 vsi_queue_id, queue_id;
2209 for_each_set_bit(vsi_queue_id, &queuemap, I40E_MAX_VSI_QP) {
2210 if (vf->adq_enabled) {
2211 vsi_id = vf->ch[vsi_queue_id / I40E_MAX_VF_VSI].vsi_id;
2212 queue_id = (vsi_queue_id % I40E_DEFAULT_QUEUES_PER_VF);
2214 queue_id = vsi_queue_id;
2217 if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id))
2225 * i40e_vc_config_irq_map_msg
2226 * @vf: pointer to the VF info
2227 * @msg: pointer to the msg buffer
2229 * called from the VF to configure the irq to
2232 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg)
2234 struct virtchnl_irq_map_info *irqmap_info =
2235 (struct virtchnl_irq_map_info *)msg;
2236 struct virtchnl_vector_map *map;
2238 i40e_status aq_ret = 0;
2241 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2242 aq_ret = I40E_ERR_PARAM;
2246 if (irqmap_info->num_vectors >
2247 vf->pf->hw.func_caps.num_msix_vectors_vf) {
2248 aq_ret = I40E_ERR_PARAM;
2252 for (i = 0; i < irqmap_info->num_vectors; i++) {
2253 map = &irqmap_info->vecmap[i];
2254 /* validate msg params */
2255 if (!i40e_vc_isvalid_vector_id(vf, map->vector_id) ||
2256 !i40e_vc_isvalid_vsi_id(vf, map->vsi_id)) {
2257 aq_ret = I40E_ERR_PARAM;
2260 vsi_id = map->vsi_id;
2262 if (i40e_validate_queue_map(vf, vsi_id, map->rxq_map)) {
2263 aq_ret = I40E_ERR_PARAM;
2267 if (i40e_validate_queue_map(vf, vsi_id, map->txq_map)) {
2268 aq_ret = I40E_ERR_PARAM;
2272 i40e_config_irq_link_list(vf, vsi_id, map);
2275 /* send the response to the VF */
2276 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP,
2281 * i40e_ctrl_vf_tx_rings
2282 * @vsi: the SRIOV VSI being configured
2283 * @q_map: bit map of the queues to be enabled
2284 * @enable: start or stop the queue
2286 static int i40e_ctrl_vf_tx_rings(struct i40e_vsi *vsi, unsigned long q_map,
2289 struct i40e_pf *pf = vsi->back;
2293 for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
2294 ret = i40e_control_wait_tx_q(vsi->seid, pf,
2295 vsi->base_queue + q_id,
2296 false /*is xdp*/, enable);
2304 * i40e_ctrl_vf_rx_rings
2305 * @vsi: the SRIOV VSI being configured
2306 * @q_map: bit map of the queues to be enabled
2307 * @enable: start or stop the queue
2309 static int i40e_ctrl_vf_rx_rings(struct i40e_vsi *vsi, unsigned long q_map,
2312 struct i40e_pf *pf = vsi->back;
2316 for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
2317 ret = i40e_control_wait_rx_q(pf, vsi->base_queue + q_id,
2326 * i40e_vc_enable_queues_msg
2327 * @vf: pointer to the VF info
2328 * @msg: pointer to the msg buffer
2330 * called from the VF to enable all or specific queue(s)
2332 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg)
2334 struct virtchnl_queue_select *vqs =
2335 (struct virtchnl_queue_select *)msg;
2336 struct i40e_pf *pf = vf->pf;
2337 i40e_status aq_ret = 0;
2340 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2341 aq_ret = I40E_ERR_PARAM;
2345 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2346 aq_ret = I40E_ERR_PARAM;
2350 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
2351 aq_ret = I40E_ERR_PARAM;
2355 /* Use the queue bit map sent by the VF */
2356 if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
2358 aq_ret = I40E_ERR_TIMEOUT;
2361 if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
2363 aq_ret = I40E_ERR_TIMEOUT;
2367 /* need to start the rings for additional ADq VSI's as well */
2368 if (vf->adq_enabled) {
2369 /* zero belongs to LAN VSI */
2370 for (i = 1; i < vf->num_tc; i++) {
2371 if (i40e_vsi_start_rings(pf->vsi[vf->ch[i].vsi_idx]))
2372 aq_ret = I40E_ERR_TIMEOUT;
2376 vf->queues_enabled = true;
2379 /* send the response to the VF */
2380 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
2385 * i40e_vc_disable_queues_msg
2386 * @vf: pointer to the VF info
2387 * @msg: pointer to the msg buffer
2389 * called from the VF to disable all or specific
2392 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg)
2394 struct virtchnl_queue_select *vqs =
2395 (struct virtchnl_queue_select *)msg;
2396 struct i40e_pf *pf = vf->pf;
2397 i40e_status aq_ret = 0;
2399 /* Immediately mark queues as disabled */
2400 vf->queues_enabled = false;
2402 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2403 aq_ret = I40E_ERR_PARAM;
2407 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2408 aq_ret = I40E_ERR_PARAM;
2412 if ((vqs->rx_queues == 0 && vqs->tx_queues == 0) ||
2413 vqs->rx_queues > I40E_MAX_VF_QUEUES ||
2414 vqs->tx_queues > I40E_MAX_VF_QUEUES) {
2415 aq_ret = I40E_ERR_PARAM;
2419 /* Use the queue bit map sent by the VF */
2420 if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
2422 aq_ret = I40E_ERR_TIMEOUT;
2425 if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
2427 aq_ret = I40E_ERR_TIMEOUT;
2431 /* send the response to the VF */
2432 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES,
2437 * i40e_vc_request_queues_msg
2438 * @vf: pointer to the VF info
2439 * @msg: pointer to the msg buffer
2441 * VFs get a default number of queues but can use this message to request a
2442 * different number. If the request is successful, PF will reset the VF and
2443 * return 0. If unsuccessful, PF will send message informing VF of number of
2444 * available queues and return result of sending VF a message.
2446 static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg)
2448 struct virtchnl_vf_res_request *vfres =
2449 (struct virtchnl_vf_res_request *)msg;
2450 u16 req_pairs = vfres->num_queue_pairs;
2451 u8 cur_pairs = vf->num_queue_pairs;
2452 struct i40e_pf *pf = vf->pf;
2454 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
2457 if (req_pairs > I40E_MAX_VF_QUEUES) {
2458 dev_err(&pf->pdev->dev,
2459 "VF %d tried to request more than %d queues.\n",
2461 I40E_MAX_VF_QUEUES);
2462 vfres->num_queue_pairs = I40E_MAX_VF_QUEUES;
2463 } else if (req_pairs - cur_pairs > pf->queues_left) {
2464 dev_warn(&pf->pdev->dev,
2465 "VF %d requested %d more queues, but only %d left.\n",
2467 req_pairs - cur_pairs,
2469 vfres->num_queue_pairs = pf->queues_left + cur_pairs;
2471 /* successful request */
2472 vf->num_req_queues = req_pairs;
2473 i40e_vc_notify_vf_reset(vf);
2474 i40e_reset_vf(vf, false);
2478 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0,
2479 (u8 *)vfres, sizeof(*vfres));
2483 * i40e_vc_get_stats_msg
2484 * @vf: pointer to the VF info
2485 * @msg: pointer to the msg buffer
2487 * called from the VF to get vsi stats
2489 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg)
2491 struct virtchnl_queue_select *vqs =
2492 (struct virtchnl_queue_select *)msg;
2493 struct i40e_pf *pf = vf->pf;
2494 struct i40e_eth_stats stats;
2495 i40e_status aq_ret = 0;
2496 struct i40e_vsi *vsi;
2498 memset(&stats, 0, sizeof(struct i40e_eth_stats));
2500 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2501 aq_ret = I40E_ERR_PARAM;
2505 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2506 aq_ret = I40E_ERR_PARAM;
2510 vsi = pf->vsi[vf->lan_vsi_idx];
2512 aq_ret = I40E_ERR_PARAM;
2515 i40e_update_eth_stats(vsi);
2516 stats = vsi->eth_stats;
2519 /* send the response back to the VF */
2520 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, aq_ret,
2521 (u8 *)&stats, sizeof(stats));
2524 /* If the VF is not trusted restrict the number of MAC/VLAN it can program
2525 * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast
2527 #define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1)
2528 #define I40E_VC_MAX_VLAN_PER_VF 16
2531 * i40e_check_vf_permission
2532 * @vf: pointer to the VF info
2533 * @al: MAC address list from virtchnl
2535 * Check that the given list of MAC addresses is allowed. Will return -EPERM
2536 * if any address in the list is not valid. Checks the following conditions:
2538 * 1) broadcast and zero addresses are never valid
2539 * 2) unicast addresses are not allowed if the VMM has administratively set
2540 * the VF MAC address, unless the VF is marked as privileged.
2541 * 3) There is enough space to add all the addresses.
2543 * Note that to guarantee consistency, it is expected this function be called
2544 * while holding the mac_filter_hash_lock, as otherwise the current number of
2545 * addresses might not be accurate.
2547 static inline int i40e_check_vf_permission(struct i40e_vf *vf,
2548 struct virtchnl_ether_addr_list *al)
2550 struct i40e_pf *pf = vf->pf;
2553 /* If this VF is not privileged, then we can't add more than a limited
2554 * number of addresses. Check to make sure that the additions do not
2555 * push us over the limit.
2557 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
2558 (vf->num_mac + al->num_elements) > I40E_VC_MAX_MAC_ADDR_PER_VF) {
2559 dev_err(&pf->pdev->dev,
2560 "Cannot add more MAC addresses, VF is not trusted, switch the VF to trusted to add more functionality\n");
2564 for (i = 0; i < al->num_elements; i++) {
2565 u8 *addr = al->list[i].addr;
2567 if (is_broadcast_ether_addr(addr) ||
2568 is_zero_ether_addr(addr)) {
2569 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
2571 return I40E_ERR_INVALID_MAC_ADDR;
2574 /* If the host VMM administrator has set the VF MAC address
2575 * administratively via the ndo_set_vf_mac command then deny
2576 * permission to the VF to add or delete unicast MAC addresses.
2577 * Unless the VF is privileged and then it can do whatever.
2578 * The VF may request to set the MAC address filter already
2579 * assigned to it so do not return an error in that case.
2581 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
2582 !is_multicast_ether_addr(addr) && vf->pf_set_mac &&
2583 !ether_addr_equal(addr, vf->default_lan_addr.addr)) {
2584 dev_err(&pf->pdev->dev,
2585 "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n");
2594 * i40e_vc_add_mac_addr_msg
2595 * @vf: pointer to the VF info
2596 * @msg: pointer to the msg buffer
2598 * add guest mac address filter
2600 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
2602 struct virtchnl_ether_addr_list *al =
2603 (struct virtchnl_ether_addr_list *)msg;
2604 struct i40e_pf *pf = vf->pf;
2605 struct i40e_vsi *vsi = NULL;
2606 i40e_status ret = 0;
2609 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2610 !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
2611 ret = I40E_ERR_PARAM;
2615 vsi = pf->vsi[vf->lan_vsi_idx];
2617 /* Lock once, because all function inside for loop accesses VSI's
2618 * MAC filter list which needs to be protected using same lock.
2620 spin_lock_bh(&vsi->mac_filter_hash_lock);
2622 ret = i40e_check_vf_permission(vf, al);
2624 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2628 /* add new addresses to the list */
2629 for (i = 0; i < al->num_elements; i++) {
2630 struct i40e_mac_filter *f;
2632 f = i40e_find_mac(vsi, al->list[i].addr);
2634 f = i40e_add_mac_filter(vsi, al->list[i].addr);
2637 dev_err(&pf->pdev->dev,
2638 "Unable to add MAC filter %pM for VF %d\n",
2639 al->list[i].addr, vf->vf_id);
2640 ret = I40E_ERR_PARAM;
2641 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2648 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2650 /* program the updated filter list */
2651 ret = i40e_sync_vsi_filters(vsi);
2653 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2657 /* send the response to the VF */
2658 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
2663 * i40e_vc_del_mac_addr_msg
2664 * @vf: pointer to the VF info
2665 * @msg: pointer to the msg buffer
2667 * remove guest mac address filter
2669 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
2671 struct virtchnl_ether_addr_list *al =
2672 (struct virtchnl_ether_addr_list *)msg;
2673 struct i40e_pf *pf = vf->pf;
2674 struct i40e_vsi *vsi = NULL;
2675 i40e_status ret = 0;
2678 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2679 !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
2680 ret = I40E_ERR_PARAM;
2684 for (i = 0; i < al->num_elements; i++) {
2685 if (is_broadcast_ether_addr(al->list[i].addr) ||
2686 is_zero_ether_addr(al->list[i].addr)) {
2687 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
2688 al->list[i].addr, vf->vf_id);
2689 ret = I40E_ERR_INVALID_MAC_ADDR;
2693 if (vf->pf_set_mac &&
2694 ether_addr_equal(al->list[i].addr,
2695 vf->default_lan_addr.addr)) {
2696 dev_err(&pf->pdev->dev,
2697 "MAC addr %pM has been set by PF, cannot delete it for VF %d, reset VF to change MAC addr\n",
2698 vf->default_lan_addr.addr, vf->vf_id);
2699 ret = I40E_ERR_PARAM;
2703 vsi = pf->vsi[vf->lan_vsi_idx];
2705 spin_lock_bh(&vsi->mac_filter_hash_lock);
2706 /* delete addresses from the list */
2707 for (i = 0; i < al->num_elements; i++)
2708 if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
2709 ret = I40E_ERR_INVALID_MAC_ADDR;
2710 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2716 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2718 /* program the updated filter list */
2719 ret = i40e_sync_vsi_filters(vsi);
2721 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2725 /* send the response to the VF */
2726 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
2731 * i40e_vc_add_vlan_msg
2732 * @vf: pointer to the VF info
2733 * @msg: pointer to the msg buffer
2735 * program guest vlan id
2737 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg)
2739 struct virtchnl_vlan_filter_list *vfl =
2740 (struct virtchnl_vlan_filter_list *)msg;
2741 struct i40e_pf *pf = vf->pf;
2742 struct i40e_vsi *vsi = NULL;
2743 i40e_status aq_ret = 0;
2746 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2747 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2748 dev_err(&pf->pdev->dev,
2749 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2752 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2753 !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
2754 aq_ret = I40E_ERR_PARAM;
2758 for (i = 0; i < vfl->num_elements; i++) {
2759 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2760 aq_ret = I40E_ERR_PARAM;
2761 dev_err(&pf->pdev->dev,
2762 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2766 vsi = pf->vsi[vf->lan_vsi_idx];
2767 if (vsi->info.pvid) {
2768 aq_ret = I40E_ERR_PARAM;
2772 i40e_vlan_stripping_enable(vsi);
2773 for (i = 0; i < vfl->num_elements; i++) {
2774 /* add new VLAN filter */
2775 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2779 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
2780 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2784 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
2785 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2791 dev_err(&pf->pdev->dev,
2792 "Unable to add VLAN filter %d for VF %d, error %d\n",
2793 vfl->vlan_id[i], vf->vf_id, ret);
2797 /* send the response to the VF */
2798 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, aq_ret);
2802 * i40e_vc_remove_vlan_msg
2803 * @vf: pointer to the VF info
2804 * @msg: pointer to the msg buffer
2806 * remove programmed guest vlan id
2808 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg)
2810 struct virtchnl_vlan_filter_list *vfl =
2811 (struct virtchnl_vlan_filter_list *)msg;
2812 struct i40e_pf *pf = vf->pf;
2813 struct i40e_vsi *vsi = NULL;
2814 i40e_status aq_ret = 0;
2817 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2818 !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
2819 aq_ret = I40E_ERR_PARAM;
2823 for (i = 0; i < vfl->num_elements; i++) {
2824 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2825 aq_ret = I40E_ERR_PARAM;
2830 vsi = pf->vsi[vf->lan_vsi_idx];
2831 if (vsi->info.pvid) {
2832 if (vfl->num_elements > 1 || vfl->vlan_id[0])
2833 aq_ret = I40E_ERR_PARAM;
2837 for (i = 0; i < vfl->num_elements; i++) {
2838 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2841 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
2842 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2846 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
2847 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2854 /* send the response to the VF */
2855 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, aq_ret);
2860 * @vf: pointer to the VF info
2861 * @msg: pointer to the msg buffer
2862 * @msglen: msg length
2864 * called from the VF for the iwarp msgs
2866 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2868 struct i40e_pf *pf = vf->pf;
2869 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2870 i40e_status aq_ret = 0;
2872 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2873 !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
2874 aq_ret = I40E_ERR_PARAM;
2878 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2882 /* send the response to the VF */
2883 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_IWARP,
2888 * i40e_vc_iwarp_qvmap_msg
2889 * @vf: pointer to the VF info
2890 * @msg: pointer to the msg buffer
2891 * @config: config qvmap or release it
2893 * called from the VF for the iwarp msgs
2895 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, bool config)
2897 struct virtchnl_iwarp_qvlist_info *qvlist_info =
2898 (struct virtchnl_iwarp_qvlist_info *)msg;
2899 i40e_status aq_ret = 0;
2901 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2902 !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
2903 aq_ret = I40E_ERR_PARAM;
2908 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2909 aq_ret = I40E_ERR_PARAM;
2911 i40e_release_iwarp_qvlist(vf);
2915 /* send the response to the VF */
2916 return i40e_vc_send_resp_to_vf(vf,
2917 config ? VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2918 VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2923 * i40e_vc_config_rss_key
2924 * @vf: pointer to the VF info
2925 * @msg: pointer to the msg buffer
2927 * Configure the VF's RSS key
2929 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg)
2931 struct virtchnl_rss_key *vrk =
2932 (struct virtchnl_rss_key *)msg;
2933 struct i40e_pf *pf = vf->pf;
2934 struct i40e_vsi *vsi = NULL;
2935 i40e_status aq_ret = 0;
2937 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2938 !i40e_vc_isvalid_vsi_id(vf, vrk->vsi_id) ||
2939 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2940 aq_ret = I40E_ERR_PARAM;
2944 vsi = pf->vsi[vf->lan_vsi_idx];
2945 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2947 /* send the response to the VF */
2948 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
2953 * i40e_vc_config_rss_lut
2954 * @vf: pointer to the VF info
2955 * @msg: pointer to the msg buffer
2957 * Configure the VF's RSS LUT
2959 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg)
2961 struct virtchnl_rss_lut *vrl =
2962 (struct virtchnl_rss_lut *)msg;
2963 struct i40e_pf *pf = vf->pf;
2964 struct i40e_vsi *vsi = NULL;
2965 i40e_status aq_ret = 0;
2968 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2969 !i40e_vc_isvalid_vsi_id(vf, vrl->vsi_id) ||
2970 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2971 aq_ret = I40E_ERR_PARAM;
2975 for (i = 0; i < vrl->lut_entries; i++)
2976 if (vrl->lut[i] >= vf->num_queue_pairs) {
2977 aq_ret = I40E_ERR_PARAM;
2981 vsi = pf->vsi[vf->lan_vsi_idx];
2982 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2983 /* send the response to the VF */
2985 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
2990 * i40e_vc_get_rss_hena
2991 * @vf: pointer to the VF info
2992 * @msg: pointer to the msg buffer
2994 * Return the RSS HENA bits allowed by the hardware
2996 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg)
2998 struct virtchnl_rss_hena *vrh = NULL;
2999 struct i40e_pf *pf = vf->pf;
3000 i40e_status aq_ret = 0;
3003 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3004 aq_ret = I40E_ERR_PARAM;
3007 len = sizeof(struct virtchnl_rss_hena);
3009 vrh = kzalloc(len, GFP_KERNEL);
3011 aq_ret = I40E_ERR_NO_MEMORY;
3015 vrh->hena = i40e_pf_get_default_rss_hena(pf);
3017 /* send the response back to the VF */
3018 aq_ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS,
3019 aq_ret, (u8 *)vrh, len);
3025 * i40e_vc_set_rss_hena
3026 * @vf: pointer to the VF info
3027 * @msg: pointer to the msg buffer
3029 * Set the RSS HENA bits for the VF
3031 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg)
3033 struct virtchnl_rss_hena *vrh =
3034 (struct virtchnl_rss_hena *)msg;
3035 struct i40e_pf *pf = vf->pf;
3036 struct i40e_hw *hw = &pf->hw;
3037 i40e_status aq_ret = 0;
3039 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3040 aq_ret = I40E_ERR_PARAM;
3043 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
3044 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
3045 (u32)(vrh->hena >> 32));
3047 /* send the response to the VF */
3049 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret);
3053 * i40e_vc_enable_vlan_stripping
3054 * @vf: pointer to the VF info
3055 * @msg: pointer to the msg buffer
3057 * Enable vlan header stripping for the VF
3059 static int i40e_vc_enable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
3061 i40e_status aq_ret = 0;
3062 struct i40e_vsi *vsi;
3064 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3065 aq_ret = I40E_ERR_PARAM;
3069 vsi = vf->pf->vsi[vf->lan_vsi_idx];
3070 i40e_vlan_stripping_enable(vsi);
3072 /* send the response to the VF */
3074 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
3079 * i40e_vc_disable_vlan_stripping
3080 * @vf: pointer to the VF info
3081 * @msg: pointer to the msg buffer
3083 * Disable vlan header stripping for the VF
3085 static int i40e_vc_disable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
3087 i40e_status aq_ret = 0;
3088 struct i40e_vsi *vsi;
3090 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3091 aq_ret = I40E_ERR_PARAM;
3095 vsi = vf->pf->vsi[vf->lan_vsi_idx];
3096 i40e_vlan_stripping_disable(vsi);
3098 /* send the response to the VF */
3100 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
3105 * i40e_validate_cloud_filter
3106 * @mask: mask for TC filter
3107 * @data: data for TC filter
3109 * This function validates cloud filter programmed as TC filter for ADq
3111 static int i40e_validate_cloud_filter(struct i40e_vf *vf,
3112 struct virtchnl_filter *tc_filter)
3114 struct virtchnl_l4_spec mask = tc_filter->mask.tcp_spec;
3115 struct virtchnl_l4_spec data = tc_filter->data.tcp_spec;
3116 struct i40e_pf *pf = vf->pf;
3117 struct i40e_vsi *vsi = NULL;
3118 struct i40e_mac_filter *f;
3119 struct hlist_node *h;
3123 if (!tc_filter->action) {
3124 dev_info(&pf->pdev->dev,
3125 "VF %d: Currently ADq doesn't support Drop Action\n",
3130 /* action_meta is TC number here to which the filter is applied */
3131 if (!tc_filter->action_meta ||
3132 tc_filter->action_meta > I40E_MAX_VF_VSI) {
3133 dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n",
3134 vf->vf_id, tc_filter->action_meta);
3138 /* Check filter if it's programmed for advanced mode or basic mode.
3139 * There are two ADq modes (for VF only),
3140 * 1. Basic mode: intended to allow as many filter options as possible
3141 * to be added to a VF in Non-trusted mode. Main goal is
3142 * to add filters to its own MAC and VLAN id.
3143 * 2. Advanced mode: is for allowing filters to be applied other than
3144 * its own MAC or VLAN. This mode requires the VF to be
3147 if (mask.dst_mac[0] && !mask.dst_ip[0]) {
3148 vsi = pf->vsi[vf->lan_vsi_idx];
3149 f = i40e_find_mac(vsi, data.dst_mac);
3152 dev_info(&pf->pdev->dev,
3153 "Destination MAC %pM doesn't belong to VF %d\n",
3154 data.dst_mac, vf->vf_id);
3159 hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f,
3161 if (f->vlan == ntohs(data.vlan_id)) {
3167 dev_info(&pf->pdev->dev,
3168 "VF %d doesn't have any VLAN id %u\n",
3169 vf->vf_id, ntohs(data.vlan_id));
3174 /* Check if VF is trusted */
3175 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
3176 dev_err(&pf->pdev->dev,
3177 "VF %d not trusted, make VF trusted to add advanced mode ADq cloud filters\n",
3179 return I40E_ERR_CONFIG;
3183 if (mask.dst_mac[0] & data.dst_mac[0]) {
3184 if (is_broadcast_ether_addr(data.dst_mac) ||
3185 is_zero_ether_addr(data.dst_mac)) {
3186 dev_info(&pf->pdev->dev, "VF %d: Invalid Dest MAC addr %pM\n",
3187 vf->vf_id, data.dst_mac);
3192 if (mask.src_mac[0] & data.src_mac[0]) {
3193 if (is_broadcast_ether_addr(data.src_mac) ||
3194 is_zero_ether_addr(data.src_mac)) {
3195 dev_info(&pf->pdev->dev, "VF %d: Invalid Source MAC addr %pM\n",
3196 vf->vf_id, data.src_mac);
3201 if (mask.dst_port & data.dst_port) {
3202 if (!data.dst_port) {
3203 dev_info(&pf->pdev->dev, "VF %d: Invalid Dest port\n",
3209 if (mask.src_port & data.src_port) {
3210 if (!data.src_port) {
3211 dev_info(&pf->pdev->dev, "VF %d: Invalid Source port\n",
3217 if (tc_filter->flow_type != VIRTCHNL_TCP_V6_FLOW &&
3218 tc_filter->flow_type != VIRTCHNL_TCP_V4_FLOW) {
3219 dev_info(&pf->pdev->dev, "VF %d: Invalid Flow type\n",
3224 if (mask.vlan_id & data.vlan_id) {
3225 if (ntohs(data.vlan_id) > I40E_MAX_VLANID) {
3226 dev_info(&pf->pdev->dev, "VF %d: invalid VLAN ID\n",
3232 return I40E_SUCCESS;
3234 return I40E_ERR_CONFIG;
3238 * i40e_find_vsi_from_seid - searches for the vsi with the given seid
3239 * @vf: pointer to the VF info
3240 * @seid - seid of the vsi it is searching for
3242 static struct i40e_vsi *i40e_find_vsi_from_seid(struct i40e_vf *vf, u16 seid)
3244 struct i40e_pf *pf = vf->pf;
3245 struct i40e_vsi *vsi = NULL;
3248 for (i = 0; i < vf->num_tc ; i++) {
3249 vsi = i40e_find_vsi_from_id(pf, vf->ch[i].vsi_id);
3250 if (vsi && vsi->seid == seid)
3257 * i40e_del_all_cloud_filters
3258 * @vf: pointer to the VF info
3260 * This function deletes all cloud filters
3262 static void i40e_del_all_cloud_filters(struct i40e_vf *vf)
3264 struct i40e_cloud_filter *cfilter = NULL;
3265 struct i40e_pf *pf = vf->pf;
3266 struct i40e_vsi *vsi = NULL;
3267 struct hlist_node *node;
3270 hlist_for_each_entry_safe(cfilter, node,
3271 &vf->cloud_filter_list, cloud_node) {
3272 vsi = i40e_find_vsi_from_seid(vf, cfilter->seid);
3275 dev_err(&pf->pdev->dev, "VF %d: no VSI found for matching %u seid, can't delete cloud filter\n",
3276 vf->vf_id, cfilter->seid);
3280 if (cfilter->dst_port)
3281 ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter,
3284 ret = i40e_add_del_cloud_filter(vsi, cfilter, false);
3286 dev_err(&pf->pdev->dev,
3287 "VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
3288 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3289 i40e_aq_str(&pf->hw,
3290 pf->hw.aq.asq_last_status));
3292 hlist_del(&cfilter->cloud_node);
3294 vf->num_cloud_filters--;
3299 * i40e_vc_del_cloud_filter
3300 * @vf: pointer to the VF info
3301 * @msg: pointer to the msg buffer
3303 * This function deletes a cloud filter programmed as TC filter for ADq
3305 static int i40e_vc_del_cloud_filter(struct i40e_vf *vf, u8 *msg)
3307 struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
3308 struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
3309 struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
3310 struct i40e_cloud_filter cfilter, *cf = NULL;
3311 struct i40e_pf *pf = vf->pf;
3312 struct i40e_vsi *vsi = NULL;
3313 struct hlist_node *node;
3314 i40e_status aq_ret = 0;
3317 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3318 aq_ret = I40E_ERR_PARAM;
3322 if (!vf->adq_enabled) {
3323 dev_info(&pf->pdev->dev,
3324 "VF %d: ADq not enabled, can't apply cloud filter\n",
3326 aq_ret = I40E_ERR_PARAM;
3330 if (i40e_validate_cloud_filter(vf, vcf)) {
3331 dev_info(&pf->pdev->dev,
3332 "VF %d: Invalid input, can't apply cloud filter\n",
3334 aq_ret = I40E_ERR_PARAM;
3338 memset(&cfilter, 0, sizeof(cfilter));
3339 /* parse destination mac address */
3340 for (i = 0; i < ETH_ALEN; i++)
3341 cfilter.dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
3343 /* parse source mac address */
3344 for (i = 0; i < ETH_ALEN; i++)
3345 cfilter.src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
3347 cfilter.vlan_id = mask.vlan_id & tcf.vlan_id;
3348 cfilter.dst_port = mask.dst_port & tcf.dst_port;
3349 cfilter.src_port = mask.src_port & tcf.src_port;
3351 switch (vcf->flow_type) {
3352 case VIRTCHNL_TCP_V4_FLOW:
3353 cfilter.n_proto = ETH_P_IP;
3354 if (mask.dst_ip[0] & tcf.dst_ip[0])
3355 memcpy(&cfilter.ip.v4.dst_ip, tcf.dst_ip,
3356 ARRAY_SIZE(tcf.dst_ip));
3357 else if (mask.src_ip[0] & tcf.dst_ip[0])
3358 memcpy(&cfilter.ip.v4.src_ip, tcf.src_ip,
3359 ARRAY_SIZE(tcf.dst_ip));
3361 case VIRTCHNL_TCP_V6_FLOW:
3362 cfilter.n_proto = ETH_P_IPV6;
3363 if (mask.dst_ip[3] & tcf.dst_ip[3])
3364 memcpy(&cfilter.ip.v6.dst_ip6, tcf.dst_ip,
3365 sizeof(cfilter.ip.v6.dst_ip6));
3366 if (mask.src_ip[3] & tcf.src_ip[3])
3367 memcpy(&cfilter.ip.v6.src_ip6, tcf.src_ip,
3368 sizeof(cfilter.ip.v6.src_ip6));
3371 /* TC filter can be configured based on different combinations
3372 * and in this case IP is not a part of filter config
3374 dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
3378 /* get the vsi to which the tc belongs to */
3379 vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
3380 cfilter.seid = vsi->seid;
3381 cfilter.flags = vcf->field_flags;
3383 /* Deleting TC filter */
3385 ret = i40e_add_del_cloud_filter_big_buf(vsi, &cfilter, false);
3387 ret = i40e_add_del_cloud_filter(vsi, &cfilter, false);
3389 dev_err(&pf->pdev->dev,
3390 "VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
3391 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3392 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
3396 hlist_for_each_entry_safe(cf, node,
3397 &vf->cloud_filter_list, cloud_node) {
3398 if (cf->seid != cfilter.seid)
3401 if (cfilter.dst_port != cf->dst_port)
3403 if (mask.dst_mac[0])
3404 if (!ether_addr_equal(cf->src_mac, cfilter.src_mac))
3406 /* for ipv4 data to be valid, only first byte of mask is set */
3407 if (cfilter.n_proto == ETH_P_IP && mask.dst_ip[0])
3408 if (memcmp(&cfilter.ip.v4.dst_ip, &cf->ip.v4.dst_ip,
3409 ARRAY_SIZE(tcf.dst_ip)))
3411 /* for ipv6, mask is set for all sixteen bytes (4 words) */
3412 if (cfilter.n_proto == ETH_P_IPV6 && mask.dst_ip[3])
3413 if (memcmp(&cfilter.ip.v6.dst_ip6, &cf->ip.v6.dst_ip6,
3414 sizeof(cfilter.ip.v6.src_ip6)))
3417 if (cfilter.vlan_id != cf->vlan_id)
3420 hlist_del(&cf->cloud_node);
3422 vf->num_cloud_filters--;
3426 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_CLOUD_FILTER,
3431 * i40e_vc_add_cloud_filter
3432 * @vf: pointer to the VF info
3433 * @msg: pointer to the msg buffer
3435 * This function adds a cloud filter programmed as TC filter for ADq
3437 static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg)
3439 struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
3440 struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
3441 struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
3442 struct i40e_cloud_filter *cfilter = NULL;
3443 struct i40e_pf *pf = vf->pf;
3444 struct i40e_vsi *vsi = NULL;
3445 i40e_status aq_ret = 0;
3448 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3449 aq_ret = I40E_ERR_PARAM;
3453 if (!vf->adq_enabled) {
3454 dev_info(&pf->pdev->dev,
3455 "VF %d: ADq is not enabled, can't apply cloud filter\n",
3457 aq_ret = I40E_ERR_PARAM;
3461 if (i40e_validate_cloud_filter(vf, vcf)) {
3462 dev_info(&pf->pdev->dev,
3463 "VF %d: Invalid input/s, can't apply cloud filter\n",
3465 aq_ret = I40E_ERR_PARAM;
3469 cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL);
3473 /* parse destination mac address */
3474 for (i = 0; i < ETH_ALEN; i++)
3475 cfilter->dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
3477 /* parse source mac address */
3478 for (i = 0; i < ETH_ALEN; i++)
3479 cfilter->src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
3481 cfilter->vlan_id = mask.vlan_id & tcf.vlan_id;
3482 cfilter->dst_port = mask.dst_port & tcf.dst_port;
3483 cfilter->src_port = mask.src_port & tcf.src_port;
3485 switch (vcf->flow_type) {
3486 case VIRTCHNL_TCP_V4_FLOW:
3487 cfilter->n_proto = ETH_P_IP;
3488 if (mask.dst_ip[0] & tcf.dst_ip[0])
3489 memcpy(&cfilter->ip.v4.dst_ip, tcf.dst_ip,
3490 ARRAY_SIZE(tcf.dst_ip));
3491 else if (mask.src_ip[0] & tcf.dst_ip[0])
3492 memcpy(&cfilter->ip.v4.src_ip, tcf.src_ip,
3493 ARRAY_SIZE(tcf.dst_ip));
3495 case VIRTCHNL_TCP_V6_FLOW:
3496 cfilter->n_proto = ETH_P_IPV6;
3497 if (mask.dst_ip[3] & tcf.dst_ip[3])
3498 memcpy(&cfilter->ip.v6.dst_ip6, tcf.dst_ip,
3499 sizeof(cfilter->ip.v6.dst_ip6));
3500 if (mask.src_ip[3] & tcf.src_ip[3])
3501 memcpy(&cfilter->ip.v6.src_ip6, tcf.src_ip,
3502 sizeof(cfilter->ip.v6.src_ip6));
3505 /* TC filter can be configured based on different combinations
3506 * and in this case IP is not a part of filter config
3508 dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
3512 /* get the VSI to which the TC belongs to */
3513 vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
3514 cfilter->seid = vsi->seid;
3515 cfilter->flags = vcf->field_flags;
3517 /* Adding cloud filter programmed as TC filter */
3519 ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter, true);
3521 ret = i40e_add_del_cloud_filter(vsi, cfilter, true);
3523 dev_err(&pf->pdev->dev,
3524 "VF %d: Failed to add cloud filter, err %s aq_err %s\n",
3525 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3526 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
3530 INIT_HLIST_NODE(&cfilter->cloud_node);
3531 hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list);
3532 /* release the pointer passing it to the collection */
3534 vf->num_cloud_filters++;
3538 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER,
3543 * i40e_vc_add_qch_msg: Add queue channel and enable ADq
3544 * @vf: pointer to the VF info
3545 * @msg: pointer to the msg buffer
3547 static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg)
3549 struct virtchnl_tc_info *tci =
3550 (struct virtchnl_tc_info *)msg;
3551 struct i40e_pf *pf = vf->pf;
3552 struct i40e_link_status *ls = &pf->hw.phy.link_info;
3553 int i, adq_request_qps = 0;
3554 i40e_status aq_ret = 0;
3557 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3558 aq_ret = I40E_ERR_PARAM;
3562 /* ADq cannot be applied if spoof check is ON */
3564 dev_err(&pf->pdev->dev,
3565 "Spoof check is ON, turn it OFF to enable ADq\n");
3566 aq_ret = I40E_ERR_PARAM;
3570 if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)) {
3571 dev_err(&pf->pdev->dev,
3572 "VF %d attempting to enable ADq, but hasn't properly negotiated that capability\n",
3574 aq_ret = I40E_ERR_PARAM;
3578 /* max number of traffic classes for VF currently capped at 4 */
3579 if (!tci->num_tc || tci->num_tc > I40E_MAX_VF_VSI) {
3580 dev_err(&pf->pdev->dev,
3581 "VF %d trying to set %u TCs, valid range 1-%u TCs per VF\n",
3582 vf->vf_id, tci->num_tc, I40E_MAX_VF_VSI);
3583 aq_ret = I40E_ERR_PARAM;
3587 /* validate queues for each TC */
3588 for (i = 0; i < tci->num_tc; i++)
3589 if (!tci->list[i].count ||
3590 tci->list[i].count > I40E_DEFAULT_QUEUES_PER_VF) {
3591 dev_err(&pf->pdev->dev,
3592 "VF %d: TC %d trying to set %u queues, valid range 1-%u queues per TC\n",
3593 vf->vf_id, i, tci->list[i].count,
3594 I40E_DEFAULT_QUEUES_PER_VF);
3595 aq_ret = I40E_ERR_PARAM;
3599 /* need Max VF queues but already have default number of queues */
3600 adq_request_qps = I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF;
3602 if (pf->queues_left < adq_request_qps) {
3603 dev_err(&pf->pdev->dev,
3604 "No queues left to allocate to VF %d\n",
3606 aq_ret = I40E_ERR_PARAM;
3609 /* we need to allocate max VF queues to enable ADq so as to
3610 * make sure ADq enabled VF always gets back queues when it
3611 * goes through a reset.
3613 vf->num_queue_pairs = I40E_MAX_VF_QUEUES;
3616 /* get link speed in MB to validate rate limit */
3617 switch (ls->link_speed) {
3618 case VIRTCHNL_LINK_SPEED_100MB:
3621 case VIRTCHNL_LINK_SPEED_1GB:
3624 case VIRTCHNL_LINK_SPEED_10GB:
3625 speed = SPEED_10000;
3627 case VIRTCHNL_LINK_SPEED_20GB:
3628 speed = SPEED_20000;
3630 case VIRTCHNL_LINK_SPEED_25GB:
3631 speed = SPEED_25000;
3633 case VIRTCHNL_LINK_SPEED_40GB:
3634 speed = SPEED_40000;
3637 dev_err(&pf->pdev->dev,
3638 "Cannot detect link speed\n");
3639 aq_ret = I40E_ERR_PARAM;
3643 /* parse data from the queue channel info */
3644 vf->num_tc = tci->num_tc;
3645 for (i = 0; i < vf->num_tc; i++) {
3646 if (tci->list[i].max_tx_rate) {
3647 if (tci->list[i].max_tx_rate > speed) {
3648 dev_err(&pf->pdev->dev,
3649 "Invalid max tx rate %llu specified for VF %d.",
3650 tci->list[i].max_tx_rate,
3652 aq_ret = I40E_ERR_PARAM;
3655 vf->ch[i].max_tx_rate =
3656 tci->list[i].max_tx_rate;
3659 vf->ch[i].num_qps = tci->list[i].count;
3662 /* set this flag only after making sure all inputs are sane */
3663 vf->adq_enabled = true;
3664 /* num_req_queues is set when user changes number of queues via ethtool
3665 * and this causes issue for default VSI(which depends on this variable)
3666 * when ADq is enabled, hence reset it.
3668 vf->num_req_queues = 0;
3670 /* reset the VF in order to allocate resources */
3671 i40e_vc_notify_vf_reset(vf);
3672 i40e_reset_vf(vf, false);
3674 return I40E_SUCCESS;
3676 /* send the response to the VF */
3678 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_CHANNELS,
3683 * i40e_vc_del_qch_msg
3684 * @vf: pointer to the VF info
3685 * @msg: pointer to the msg buffer
3687 static int i40e_vc_del_qch_msg(struct i40e_vf *vf, u8 *msg)
3689 struct i40e_pf *pf = vf->pf;
3690 i40e_status aq_ret = 0;
3692 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3693 aq_ret = I40E_ERR_PARAM;
3697 if (vf->adq_enabled) {
3698 i40e_del_all_cloud_filters(vf);
3700 vf->adq_enabled = false;
3702 dev_info(&pf->pdev->dev,
3703 "Deleting Queue Channels and cloud filters for ADq on VF %d\n",
3706 dev_info(&pf->pdev->dev, "VF %d trying to delete queue channels but ADq isn't enabled\n",
3708 aq_ret = I40E_ERR_PARAM;
3711 /* reset the VF in order to allocate resources */
3712 i40e_vc_notify_vf_reset(vf);
3713 i40e_reset_vf(vf, false);
3715 return I40E_SUCCESS;
3718 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_CHANNELS,
3723 * i40e_vc_process_vf_msg
3724 * @pf: pointer to the PF structure
3725 * @vf_id: source VF id
3726 * @v_opcode: operation code
3727 * @v_retval: unused return value code
3728 * @msg: pointer to the msg buffer
3729 * @msglen: msg length
3731 * called from the common aeq/arq handler to
3732 * process request from VF
3734 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
3735 u32 __always_unused v_retval, u8 *msg, u16 msglen)
3737 struct i40e_hw *hw = &pf->hw;
3738 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
3742 pf->vf_aq_requests++;
3743 if (local_vf_id < 0 || local_vf_id >= pf->num_alloc_vfs)
3745 vf = &(pf->vf[local_vf_id]);
3747 /* Check if VF is disabled. */
3748 if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
3749 return I40E_ERR_PARAM;
3751 /* perform basic checks on the msg */
3752 ret = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
3755 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
3756 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
3757 local_vf_id, v_opcode, msglen);
3759 case VIRTCHNL_STATUS_ERR_PARAM:
3767 case VIRTCHNL_OP_VERSION:
3768 ret = i40e_vc_get_version_msg(vf, msg);
3770 case VIRTCHNL_OP_GET_VF_RESOURCES:
3771 ret = i40e_vc_get_vf_resources_msg(vf, msg);
3772 i40e_vc_notify_vf_link_state(vf);
3774 case VIRTCHNL_OP_RESET_VF:
3775 i40e_vc_reset_vf_msg(vf);
3778 case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
3779 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg);
3781 case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
3782 ret = i40e_vc_config_queues_msg(vf, msg);
3784 case VIRTCHNL_OP_CONFIG_IRQ_MAP:
3785 ret = i40e_vc_config_irq_map_msg(vf, msg);
3787 case VIRTCHNL_OP_ENABLE_QUEUES:
3788 ret = i40e_vc_enable_queues_msg(vf, msg);
3789 i40e_vc_notify_vf_link_state(vf);
3791 case VIRTCHNL_OP_DISABLE_QUEUES:
3792 ret = i40e_vc_disable_queues_msg(vf, msg);
3794 case VIRTCHNL_OP_ADD_ETH_ADDR:
3795 ret = i40e_vc_add_mac_addr_msg(vf, msg);
3797 case VIRTCHNL_OP_DEL_ETH_ADDR:
3798 ret = i40e_vc_del_mac_addr_msg(vf, msg);
3800 case VIRTCHNL_OP_ADD_VLAN:
3801 ret = i40e_vc_add_vlan_msg(vf, msg);
3803 case VIRTCHNL_OP_DEL_VLAN:
3804 ret = i40e_vc_remove_vlan_msg(vf, msg);
3806 case VIRTCHNL_OP_GET_STATS:
3807 ret = i40e_vc_get_stats_msg(vf, msg);
3809 case VIRTCHNL_OP_IWARP:
3810 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
3812 case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
3813 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, true);
3815 case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
3816 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, false);
3818 case VIRTCHNL_OP_CONFIG_RSS_KEY:
3819 ret = i40e_vc_config_rss_key(vf, msg);
3821 case VIRTCHNL_OP_CONFIG_RSS_LUT:
3822 ret = i40e_vc_config_rss_lut(vf, msg);
3824 case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
3825 ret = i40e_vc_get_rss_hena(vf, msg);
3827 case VIRTCHNL_OP_SET_RSS_HENA:
3828 ret = i40e_vc_set_rss_hena(vf, msg);
3830 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
3831 ret = i40e_vc_enable_vlan_stripping(vf, msg);
3833 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
3834 ret = i40e_vc_disable_vlan_stripping(vf, msg);
3836 case VIRTCHNL_OP_REQUEST_QUEUES:
3837 ret = i40e_vc_request_queues_msg(vf, msg);
3839 case VIRTCHNL_OP_ENABLE_CHANNELS:
3840 ret = i40e_vc_add_qch_msg(vf, msg);
3842 case VIRTCHNL_OP_DISABLE_CHANNELS:
3843 ret = i40e_vc_del_qch_msg(vf, msg);
3845 case VIRTCHNL_OP_ADD_CLOUD_FILTER:
3846 ret = i40e_vc_add_cloud_filter(vf, msg);
3848 case VIRTCHNL_OP_DEL_CLOUD_FILTER:
3849 ret = i40e_vc_del_cloud_filter(vf, msg);
3851 case VIRTCHNL_OP_UNKNOWN:
3853 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
3854 v_opcode, local_vf_id);
3855 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
3856 I40E_ERR_NOT_IMPLEMENTED);
3864 * i40e_vc_process_vflr_event
3865 * @pf: pointer to the PF structure
3867 * called from the vlfr irq handler to
3868 * free up VF resources and state variables
3870 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
3872 struct i40e_hw *hw = &pf->hw;
3873 u32 reg, reg_idx, bit_idx;
3877 if (!test_bit(__I40E_VFLR_EVENT_PENDING, pf->state))
3880 /* Re-enable the VFLR interrupt cause here, before looking for which
3881 * VF got reset. Otherwise, if another VF gets a reset while the
3882 * first one is being processed, that interrupt will be lost, and
3883 * that VF will be stuck in reset forever.
3885 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
3886 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
3887 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
3890 clear_bit(__I40E_VFLR_EVENT_PENDING, pf->state);
3891 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
3892 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
3893 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
3894 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
3895 vf = &pf->vf[vf_id];
3896 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
3897 if (reg & BIT(bit_idx))
3898 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
3899 i40e_reset_vf(vf, true);
3907 * @pf: the physical function
3908 * @vf_id: VF identifier
3910 * Check that the VF is enabled and the VSI exists.
3912 * Returns 0 on success, negative on failure
3914 static int i40e_validate_vf(struct i40e_pf *pf, int vf_id)
3916 struct i40e_vsi *vsi;
3920 if (vf_id >= pf->num_alloc_vfs) {
3921 dev_err(&pf->pdev->dev,
3922 "Invalid VF Identifier %d\n", vf_id);
3926 vf = &pf->vf[vf_id];
3927 vsi = i40e_find_vsi_from_id(pf, vf->lan_vsi_id);
3935 * i40e_ndo_set_vf_mac
3936 * @netdev: network interface device structure
3937 * @vf_id: VF identifier
3940 * program VF mac address
3942 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
3944 struct i40e_netdev_priv *np = netdev_priv(netdev);
3945 struct i40e_vsi *vsi = np->vsi;
3946 struct i40e_pf *pf = vsi->back;
3947 struct i40e_mac_filter *f;
3950 struct hlist_node *h;
3954 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
3955 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
3959 /* validate the request */
3960 ret = i40e_validate_vf(pf, vf_id);
3964 vf = &pf->vf[vf_id];
3965 vsi = pf->vsi[vf->lan_vsi_idx];
3967 /* When the VF is resetting wait until it is done.
3968 * It can take up to 200 milliseconds,
3969 * but wait for up to 300 milliseconds to be safe.
3971 for (i = 0; i < 15; i++) {
3972 if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
3976 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
3977 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3983 if (is_multicast_ether_addr(mac)) {
3984 dev_err(&pf->pdev->dev,
3985 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
3990 /* Lock once because below invoked function add/del_filter requires
3991 * mac_filter_hash_lock to be held
3993 spin_lock_bh(&vsi->mac_filter_hash_lock);
3995 /* delete the temporary mac address */
3996 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
3997 i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
3999 /* Delete all the filters for this VSI - we're going to kill it
4002 hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)
4003 __i40e_del_filter(vsi, f);
4005 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4007 /* program mac filter */
4008 if (i40e_sync_vsi_filters(vsi)) {
4009 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
4013 ether_addr_copy(vf->default_lan_addr.addr, mac);
4015 if (is_zero_ether_addr(mac)) {
4016 vf->pf_set_mac = false;
4017 dev_info(&pf->pdev->dev, "Removing MAC on VF %d\n", vf_id);
4019 vf->pf_set_mac = true;
4020 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n",
4024 /* Force the VF interface down so it has to bring up with new MAC
4027 i40e_vc_disable_vf(vf);
4028 dev_info(&pf->pdev->dev, "Bring down and up the VF interface to make this change effective.\n");
4031 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4036 * i40e_vsi_has_vlans - True if VSI has configured VLANs
4037 * @vsi: pointer to the vsi
4039 * Check if a VSI has configured any VLANs. False if we have a port VLAN or if
4040 * we have no configured VLANs. Do not call while holding the
4041 * mac_filter_hash_lock.
4043 static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi)
4047 /* If we have a port VLAN, then the VSI cannot have any VLANs
4048 * configured, as all MAC/VLAN filters will be assigned to the PVID.
4053 /* Since we don't have a PVID, we know that if the device is in VLAN
4054 * mode it must be because of a VLAN filter configured on this VSI.
4056 spin_lock_bh(&vsi->mac_filter_hash_lock);
4057 have_vlans = i40e_is_vsi_in_vlan(vsi);
4058 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4064 * i40e_ndo_set_vf_port_vlan
4065 * @netdev: network interface device structure
4066 * @vf_id: VF identifier
4067 * @vlan_id: mac address
4068 * @qos: priority setting
4069 * @vlan_proto: vlan protocol
4071 * program VF vlan id and/or qos
4073 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
4074 u16 vlan_id, u8 qos, __be16 vlan_proto)
4076 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
4077 struct i40e_netdev_priv *np = netdev_priv(netdev);
4078 bool allmulti = false, alluni = false;
4079 struct i40e_pf *pf = np->vsi->back;
4080 struct i40e_vsi *vsi;
4084 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4085 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4089 /* validate the request */
4090 ret = i40e_validate_vf(pf, vf_id);
4094 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
4095 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
4100 if (vlan_proto != htons(ETH_P_8021Q)) {
4101 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
4102 ret = -EPROTONOSUPPORT;
4106 vf = &pf->vf[vf_id];
4107 vsi = pf->vsi[vf->lan_vsi_idx];
4108 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4109 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4115 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
4116 /* duplicate request, so just return success */
4119 if (i40e_vsi_has_vlans(vsi)) {
4120 dev_err(&pf->pdev->dev,
4121 "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",
4123 /* Administrator Error - knock the VF offline until he does
4124 * the right thing by reconfiguring his network correctly
4125 * and then reloading the VF driver.
4127 i40e_vc_disable_vf(vf);
4128 /* During reset the VF got a new VSI, so refresh the pointer. */
4129 vsi = pf->vsi[vf->lan_vsi_idx];
4132 /* Locked once because multiple functions below iterate list */
4133 spin_lock_bh(&vsi->mac_filter_hash_lock);
4135 /* Check for condition where there was already a port VLAN ID
4136 * filter set and now it is being deleted by setting it to zero.
4137 * Additionally check for the condition where there was a port
4138 * VLAN but now there is a new and different port VLAN being set.
4139 * Before deleting all the old VLAN filters we must add new ones
4140 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
4141 * MAC addresses deleted.
4143 if ((!(vlan_id || qos) ||
4144 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
4146 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
4148 dev_info(&vsi->back->pdev->dev,
4149 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
4150 vsi->back->hw.aq.asq_last_status);
4151 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4156 if (vsi->info.pvid) {
4157 /* remove all filters on the old VLAN */
4158 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
4162 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4164 /* disable promisc modes in case they were enabled */
4165 ret = i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id,
4168 dev_err(&pf->pdev->dev, "Unable to config VF promiscuous mode\n");
4173 ret = i40e_vsi_add_pvid(vsi, vlanprio);
4175 i40e_vsi_remove_pvid(vsi);
4176 spin_lock_bh(&vsi->mac_filter_hash_lock);
4179 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
4180 vlan_id, qos, vf_id);
4182 /* add new VLAN filter for each MAC */
4183 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
4185 dev_info(&vsi->back->pdev->dev,
4186 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
4187 vsi->back->hw.aq.asq_last_status);
4188 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4192 /* remove the previously added non-VLAN MAC filters */
4193 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
4196 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4198 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
4201 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
4204 /* Schedule the worker thread to take care of applying changes */
4205 i40e_service_event_schedule(vsi->back);
4208 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
4212 /* The Port VLAN needs to be saved across resets the same as the
4213 * default LAN MAC address.
4215 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
4217 ret = i40e_config_vf_promiscuous_mode(vf, vsi->id, allmulti, alluni);
4219 dev_err(&pf->pdev->dev, "Unable to config vf promiscuous mode\n");
4226 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4231 * i40e_ndo_set_vf_bw
4232 * @netdev: network interface device structure
4233 * @vf_id: VF identifier
4234 * @min_tx_rate: Minimum Tx rate
4235 * @max_tx_rate: Maximum Tx rate
4237 * configure VF Tx rate
4239 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
4242 struct i40e_netdev_priv *np = netdev_priv(netdev);
4243 struct i40e_pf *pf = np->vsi->back;
4244 struct i40e_vsi *vsi;
4248 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4249 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4253 /* validate the request */
4254 ret = i40e_validate_vf(pf, vf_id);
4259 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
4260 min_tx_rate, vf_id);
4264 vf = &pf->vf[vf_id];
4265 vsi = pf->vsi[vf->lan_vsi_idx];
4266 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4267 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4273 ret = i40e_set_bw_limit(vsi, vsi->seid, max_tx_rate);
4277 vf->tx_rate = max_tx_rate;
4279 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4284 * i40e_ndo_get_vf_config
4285 * @netdev: network interface device structure
4286 * @vf_id: VF identifier
4287 * @ivi: VF configuration structure
4289 * return VF configuration
4291 int i40e_ndo_get_vf_config(struct net_device *netdev,
4292 int vf_id, struct ifla_vf_info *ivi)
4294 struct i40e_netdev_priv *np = netdev_priv(netdev);
4295 struct i40e_vsi *vsi = np->vsi;
4296 struct i40e_pf *pf = vsi->back;
4300 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4301 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4305 /* validate the request */
4306 ret = i40e_validate_vf(pf, vf_id);
4310 vf = &pf->vf[vf_id];
4311 /* first vsi is always the LAN vsi */
4312 vsi = pf->vsi[vf->lan_vsi_idx];
4320 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
4322 ivi->max_tx_rate = vf->tx_rate;
4323 ivi->min_tx_rate = 0;
4324 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
4325 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
4326 I40E_VLAN_PRIORITY_SHIFT;
4327 if (vf->link_forced == false)
4328 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
4329 else if (vf->link_up == true)
4330 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
4332 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
4333 ivi->spoofchk = vf->spoofchk;
4334 ivi->trusted = vf->trusted;
4338 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4343 * i40e_ndo_set_vf_link_state
4344 * @netdev: network interface device structure
4345 * @vf_id: VF identifier
4346 * @link: required link state
4348 * Set the link state of a specified VF, regardless of physical link state
4350 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
4352 struct i40e_netdev_priv *np = netdev_priv(netdev);
4353 struct i40e_pf *pf = np->vsi->back;
4354 struct virtchnl_pf_event pfe;
4355 struct i40e_hw *hw = &pf->hw;
4360 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4361 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4365 /* validate the request */
4366 if (vf_id >= pf->num_alloc_vfs) {
4367 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4372 vf = &pf->vf[vf_id];
4373 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
4375 pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
4376 pfe.severity = PF_EVENT_SEVERITY_INFO;
4379 case IFLA_VF_LINK_STATE_AUTO:
4380 vf->link_forced = false;
4381 pfe.event_data.link_event.link_status =
4382 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
4383 pfe.event_data.link_event.link_speed =
4384 (enum virtchnl_link_speed)
4385 pf->hw.phy.link_info.link_speed;
4387 case IFLA_VF_LINK_STATE_ENABLE:
4388 vf->link_forced = true;
4390 pfe.event_data.link_event.link_status = true;
4391 pfe.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
4393 case IFLA_VF_LINK_STATE_DISABLE:
4394 vf->link_forced = true;
4395 vf->link_up = false;
4396 pfe.event_data.link_event.link_status = false;
4397 pfe.event_data.link_event.link_speed = 0;
4403 /* Notify the VF of its new link state */
4404 i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
4405 0, (u8 *)&pfe, sizeof(pfe), NULL);
4408 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4413 * i40e_ndo_set_vf_spoofchk
4414 * @netdev: network interface device structure
4415 * @vf_id: VF identifier
4416 * @enable: flag to enable or disable feature
4418 * Enable or disable VF spoof checking
4420 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
4422 struct i40e_netdev_priv *np = netdev_priv(netdev);
4423 struct i40e_vsi *vsi = np->vsi;
4424 struct i40e_pf *pf = vsi->back;
4425 struct i40e_vsi_context ctxt;
4426 struct i40e_hw *hw = &pf->hw;
4430 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4431 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4435 /* validate the request */
4436 if (vf_id >= pf->num_alloc_vfs) {
4437 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4442 vf = &(pf->vf[vf_id]);
4443 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4444 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4450 if (enable == vf->spoofchk)
4453 vf->spoofchk = enable;
4454 memset(&ctxt, 0, sizeof(ctxt));
4455 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
4456 ctxt.pf_num = pf->hw.pf_id;
4457 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
4459 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
4460 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
4461 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
4463 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
4468 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4473 * i40e_ndo_set_vf_trust
4474 * @netdev: network interface device structure of the pf
4475 * @vf_id: VF identifier
4476 * @setting: trust setting
4478 * Enable or disable VF trust setting
4480 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
4482 struct i40e_netdev_priv *np = netdev_priv(netdev);
4483 struct i40e_pf *pf = np->vsi->back;
4487 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4488 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4492 /* validate the request */
4493 if (vf_id >= pf->num_alloc_vfs) {
4494 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4499 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
4500 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
4505 vf = &pf->vf[vf_id];
4507 if (setting == vf->trusted)
4510 vf->trusted = setting;
4511 i40e_vc_disable_vf(vf);
4512 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
4513 vf_id, setting ? "" : "un");
4515 if (vf->adq_enabled) {
4517 dev_info(&pf->pdev->dev,
4518 "VF %u no longer Trusted, deleting all cloud filters\n",
4520 i40e_del_all_cloud_filters(vf);
4525 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);