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_link_speed2mbps
44 * converts i40e_aq_link_speed to integer value of Mbps
45 * @link_speed: the speed to convert
47 * return the speed as direct value of Mbps.
50 i40e_vc_link_speed2mbps(enum i40e_aq_link_speed link_speed)
53 case I40E_LINK_SPEED_100MB:
55 case I40E_LINK_SPEED_1GB:
57 case I40E_LINK_SPEED_2_5GB:
59 case I40E_LINK_SPEED_5GB:
61 case I40E_LINK_SPEED_10GB:
63 case I40E_LINK_SPEED_20GB:
65 case I40E_LINK_SPEED_25GB:
67 case I40E_LINK_SPEED_40GB:
69 case I40E_LINK_SPEED_UNKNOWN:
76 * i40e_set_vf_link_state
77 * @vf: pointer to the VF structure
78 * @pfe: pointer to PF event structure
79 * @ls: pointer to link status structure
81 * set a link state on a single vf
83 static void i40e_set_vf_link_state(struct i40e_vf *vf,
84 struct virtchnl_pf_event *pfe, struct i40e_link_status *ls)
86 u8 link_status = ls->link_info & I40E_AQ_LINK_UP;
89 link_status = vf->link_up;
91 if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
92 pfe->event_data.link_event_adv.link_speed = link_status ?
93 i40e_vc_link_speed2mbps(ls->link_speed) : 0;
94 pfe->event_data.link_event_adv.link_status = link_status;
96 pfe->event_data.link_event.link_speed = link_status ?
97 i40e_virtchnl_link_speed(ls->link_speed) : 0;
98 pfe->event_data.link_event.link_status = link_status;
103 * i40e_vc_notify_vf_link_state
104 * @vf: pointer to the VF structure
106 * send a link status message to a single VF
108 static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
110 struct virtchnl_pf_event pfe;
111 struct i40e_pf *pf = vf->pf;
112 struct i40e_hw *hw = &pf->hw;
113 struct i40e_link_status *ls = &pf->hw.phy.link_info;
114 int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
116 pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
117 pfe.severity = PF_EVENT_SEVERITY_INFO;
119 i40e_set_vf_link_state(vf, &pfe, ls);
121 i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
122 0, (u8 *)&pfe, sizeof(pfe), NULL);
126 * i40e_vc_notify_link_state
127 * @pf: pointer to the PF structure
129 * send a link status message to all VFs on a given PF
131 void i40e_vc_notify_link_state(struct i40e_pf *pf)
135 for (i = 0; i < pf->num_alloc_vfs; i++)
136 i40e_vc_notify_vf_link_state(&pf->vf[i]);
140 * i40e_vc_notify_reset
141 * @pf: pointer to the PF structure
143 * indicate a pending reset to all VFs on a given PF
145 void i40e_vc_notify_reset(struct i40e_pf *pf)
147 struct virtchnl_pf_event pfe;
149 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
150 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
151 i40e_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, 0,
152 (u8 *)&pfe, sizeof(struct virtchnl_pf_event));
156 * i40e_vc_notify_vf_reset
157 * @vf: pointer to the VF structure
159 * indicate a pending reset to the given VF
161 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
163 struct virtchnl_pf_event pfe;
166 /* validate the request */
167 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
170 /* verify if the VF is in either init or active before proceeding */
171 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) &&
172 !test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
175 abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id;
177 pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
178 pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
179 i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, VIRTCHNL_OP_EVENT,
181 sizeof(struct virtchnl_pf_event), NULL);
183 /***********************misc routines*****************************/
187 * @vf: pointer to the VF info
189 * Disable the VF through a SW reset.
191 static inline void i40e_vc_disable_vf(struct i40e_vf *vf)
193 struct i40e_pf *pf = vf->pf;
196 i40e_vc_notify_vf_reset(vf);
198 /* We want to ensure that an actual reset occurs initiated after this
199 * function was called. However, we do not want to wait forever, so
200 * we'll give a reasonable time and print a message if we failed to
203 for (i = 0; i < 20; i++) {
204 /* If PF is in VFs releasing state reset VF is impossible,
207 if (test_bit(__I40E_VFS_RELEASING, pf->state))
209 if (i40e_reset_vf(vf, false))
211 usleep_range(10000, 20000);
214 dev_warn(&vf->pf->pdev->dev,
215 "Failed to initiate reset for VF %d after 200 milliseconds\n",
220 * i40e_vc_isvalid_vsi_id
221 * @vf: pointer to the VF info
222 * @vsi_id: VF relative VSI id
224 * check for the valid VSI id
226 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
228 struct i40e_pf *pf = vf->pf;
229 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
231 return (vsi && (vsi->vf_id == vf->vf_id));
235 * i40e_vc_isvalid_queue_id
236 * @vf: pointer to the VF info
238 * @qid: vsi relative queue id
240 * check for the valid queue id
242 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
245 struct i40e_pf *pf = vf->pf;
246 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
248 return (vsi && (qid < vsi->alloc_queue_pairs));
252 * i40e_vc_isvalid_vector_id
253 * @vf: pointer to the VF info
254 * @vector_id: VF relative vector id
256 * check for the valid vector id
258 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id)
260 struct i40e_pf *pf = vf->pf;
262 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
265 /***********************vf resource mgmt routines*****************/
268 * i40e_vc_get_pf_queue_id
269 * @vf: pointer to the VF info
270 * @vsi_id: id of VSI as provided by the FW
271 * @vsi_queue_id: vsi relative queue id
273 * return PF relative queue id
275 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
278 struct i40e_pf *pf = vf->pf;
279 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
280 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
285 if (le16_to_cpu(vsi->info.mapping_flags) &
286 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
288 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
290 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
297 * i40e_get_real_pf_qid
298 * @vf: pointer to the VF info
300 * @queue_id: queue number
302 * wrapper function to get pf_queue_id handling ADq code as well
304 static u16 i40e_get_real_pf_qid(struct i40e_vf *vf, u16 vsi_id, u16 queue_id)
308 if (vf->adq_enabled) {
309 /* Although VF considers all the queues(can be 1 to 16) as its
310 * own but they may actually belong to different VSIs(up to 4).
311 * We need to find which queues belongs to which VSI.
313 for (i = 0; i < vf->num_tc; i++) {
314 if (queue_id < vf->ch[i].num_qps) {
315 vsi_id = vf->ch[i].vsi_id;
318 /* find right queue id which is relative to a
321 queue_id -= vf->ch[i].num_qps;
325 return i40e_vc_get_pf_queue_id(vf, vsi_id, queue_id);
329 * i40e_config_irq_link_list
330 * @vf: pointer to the VF info
331 * @vsi_id: id of VSI as given by the FW
332 * @vecmap: irq map info
334 * configure irq link list from the map
336 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
337 struct virtchnl_vector_map *vecmap)
339 unsigned long linklistmap = 0, tempmap;
340 struct i40e_pf *pf = vf->pf;
341 struct i40e_hw *hw = &pf->hw;
342 u16 vsi_queue_id, pf_queue_id;
343 enum i40e_queue_type qtype;
344 u16 next_q, vector_id, size;
348 vector_id = vecmap->vector_id;
351 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
353 reg_idx = I40E_VPINT_LNKLSTN(
354 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
357 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
358 /* Special case - No queues mapped on this vector */
359 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
362 tempmap = vecmap->rxq_map;
363 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
364 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
368 tempmap = vecmap->txq_map;
369 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
370 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
374 size = I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES;
375 next_q = find_first_bit(&linklistmap, size);
376 if (unlikely(next_q == size))
379 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
380 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
381 pf_queue_id = i40e_get_real_pf_qid(vf, vsi_id, vsi_queue_id);
382 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
384 wr32(hw, reg_idx, reg);
386 while (next_q < size) {
388 case I40E_QUEUE_TYPE_RX:
389 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
390 itr_idx = vecmap->rxitr_idx;
392 case I40E_QUEUE_TYPE_TX:
393 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
394 itr_idx = vecmap->txitr_idx;
400 next_q = find_next_bit(&linklistmap, size, next_q + 1);
402 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
403 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
404 pf_queue_id = i40e_get_real_pf_qid(vf,
408 pf_queue_id = I40E_QUEUE_END_OF_LIST;
412 /* format for the RQCTL & TQCTL regs is same */
414 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
415 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
416 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
417 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
418 wr32(hw, reg_idx, reg);
421 /* if the vf is running in polling mode and using interrupt zero,
422 * need to disable auto-mask on enabling zero interrupt for VFs.
424 if ((vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
426 reg = rd32(hw, I40E_GLINT_CTL);
427 if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
428 reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
429 wr32(hw, I40E_GLINT_CTL, reg);
438 * i40e_release_iwarp_qvlist
439 * @vf: pointer to the VF.
442 static void i40e_release_iwarp_qvlist(struct i40e_vf *vf)
444 struct i40e_pf *pf = vf->pf;
445 struct virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info;
449 if (!vf->qvlist_info)
452 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
453 for (i = 0; i < qvlist_info->num_vectors; i++) {
454 struct virtchnl_iwarp_qv_info *qv_info;
455 u32 next_q_index, next_q_type;
456 struct i40e_hw *hw = &pf->hw;
457 u32 v_idx, reg_idx, reg;
459 qv_info = &qvlist_info->qv_info[i];
462 v_idx = qv_info->v_idx;
463 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
464 /* Figure out the queue after CEQ and make that the
467 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
468 reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx));
469 next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK)
470 >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT;
471 next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK)
472 >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT;
474 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
475 reg = (next_q_index &
476 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
478 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
480 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
483 kfree(vf->qvlist_info);
484 vf->qvlist_info = NULL;
488 * i40e_config_iwarp_qvlist
489 * @vf: pointer to the VF info
490 * @qvlist_info: queue and vector list
492 * Return 0 on success or < 0 on error
494 static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
495 struct virtchnl_iwarp_qvlist_info *qvlist_info)
497 struct i40e_pf *pf = vf->pf;
498 struct i40e_hw *hw = &pf->hw;
499 struct virtchnl_iwarp_qv_info *qv_info;
500 u32 v_idx, i, reg_idx, reg;
501 u32 next_q_idx, next_q_type;
505 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
507 if (qvlist_info->num_vectors > msix_vf) {
508 dev_warn(&pf->pdev->dev,
509 "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n",
510 qvlist_info->num_vectors,
516 kfree(vf->qvlist_info);
517 vf->qvlist_info = kzalloc(struct_size(vf->qvlist_info, qv_info,
518 qvlist_info->num_vectors - 1),
520 if (!vf->qvlist_info) {
524 vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
526 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
527 for (i = 0; i < qvlist_info->num_vectors; i++) {
528 qv_info = &qvlist_info->qv_info[i];
532 /* Validate vector id belongs to this vf */
533 if (!i40e_vc_isvalid_vector_id(vf, qv_info->v_idx)) {
538 v_idx = qv_info->v_idx;
540 vf->qvlist_info->qv_info[i] = *qv_info;
542 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
543 /* We might be sharing the interrupt, so get the first queue
544 * index and type, push it down the list by adding the new
545 * queue on top. Also link it with the new queue in CEQCTL.
547 reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx));
548 next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >>
549 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
550 next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >>
551 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
553 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
554 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
555 reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK |
556 (v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) |
557 (qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) |
558 (next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) |
559 (next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT));
560 wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg);
562 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
563 reg = (qv_info->ceq_idx &
564 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
565 (I40E_QUEUE_TYPE_PE_CEQ <<
566 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
567 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
570 if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
571 reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK |
572 (v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) |
573 (qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT));
575 wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg);
581 kfree(vf->qvlist_info);
582 vf->qvlist_info = NULL;
588 * i40e_config_vsi_tx_queue
589 * @vf: pointer to the VF info
590 * @vsi_id: id of VSI as provided by the FW
591 * @vsi_queue_id: vsi relative queue index
592 * @info: config. info
596 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
598 struct virtchnl_txq_info *info)
600 struct i40e_pf *pf = vf->pf;
601 struct i40e_hw *hw = &pf->hw;
602 struct i40e_hmc_obj_txq tx_ctx;
603 struct i40e_vsi *vsi;
608 if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
612 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
613 vsi = i40e_find_vsi_from_id(pf, vsi_id);
619 /* clear the context structure first */
620 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
622 /* only set the required fields */
623 tx_ctx.base = info->dma_ring_addr / 128;
624 tx_ctx.qlen = info->ring_len;
625 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
626 tx_ctx.rdylist_act = 0;
627 tx_ctx.head_wb_ena = info->headwb_enabled;
628 tx_ctx.head_wb_addr = info->dma_headwb_addr;
630 /* clear the context in the HMC */
631 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
633 dev_err(&pf->pdev->dev,
634 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
640 /* set the context in the HMC */
641 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
643 dev_err(&pf->pdev->dev,
644 "Failed to set VF LAN Tx queue context %d error: %d\n",
650 /* associate this queue with the PCI VF function */
651 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
652 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
653 & I40E_QTX_CTL_PF_INDX_MASK);
654 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
655 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
656 & I40E_QTX_CTL_VFVM_INDX_MASK);
657 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
665 * i40e_config_vsi_rx_queue
666 * @vf: pointer to the VF info
667 * @vsi_id: id of VSI as provided by the FW
668 * @vsi_queue_id: vsi relative queue index
669 * @info: config. info
673 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
675 struct virtchnl_rxq_info *info)
677 struct i40e_pf *pf = vf->pf;
678 struct i40e_hw *hw = &pf->hw;
679 struct i40e_hmc_obj_rxq rx_ctx;
683 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
685 /* clear the context structure first */
686 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
688 /* only set the required fields */
689 rx_ctx.base = info->dma_ring_addr / 128;
690 rx_ctx.qlen = info->ring_len;
692 if (info->splithdr_enabled) {
693 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
695 I40E_RX_SPLIT_TCP_UDP |
697 /* header length validation */
698 if (info->hdr_size > ((2 * 1024) - 64)) {
702 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
704 /* set split mode 10b */
705 rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
708 /* databuffer length validation */
709 if (info->databuffer_size > ((16 * 1024) - 128)) {
713 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
715 /* max pkt. length validation */
716 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
720 rx_ctx.rxmax = info->max_pkt_size;
722 /* enable 32bytes desc always */
726 rx_ctx.lrxqthresh = 1;
731 /* clear the context in the HMC */
732 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
734 dev_err(&pf->pdev->dev,
735 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
741 /* set the context in the HMC */
742 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
744 dev_err(&pf->pdev->dev,
745 "Failed to set VF LAN Rx queue context %d error: %d\n",
757 * @vf: pointer to the VF info
758 * @idx: VSI index, applies only for ADq mode, zero otherwise
760 * alloc VF vsi context & resources
762 static int i40e_alloc_vsi_res(struct i40e_vf *vf, u8 idx)
764 struct i40e_mac_filter *f = NULL;
765 struct i40e_pf *pf = vf->pf;
766 struct i40e_vsi *vsi;
770 vsi = i40e_vsi_setup(pf, I40E_VSI_SRIOV, pf->vsi[pf->lan_vsi]->seid,
774 dev_err(&pf->pdev->dev,
775 "add vsi failed for VF %d, aq_err %d\n",
776 vf->vf_id, pf->hw.aq.asq_last_status);
778 goto error_alloc_vsi_res;
782 u64 hena = i40e_pf_get_default_rss_hena(pf);
783 u8 broadcast[ETH_ALEN];
785 vf->lan_vsi_idx = vsi->idx;
786 vf->lan_vsi_id = vsi->id;
787 /* If the port VLAN has been configured and then the
788 * VF driver was removed then the VSI port VLAN
789 * configuration was destroyed. Check if there is
790 * a port VLAN and restore the VSI configuration if
793 if (vf->port_vlan_id)
794 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
796 spin_lock_bh(&vsi->mac_filter_hash_lock);
797 if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
798 f = i40e_add_mac_filter(vsi,
799 vf->default_lan_addr.addr);
801 dev_info(&pf->pdev->dev,
802 "Could not add MAC filter %pM for VF %d\n",
803 vf->default_lan_addr.addr, vf->vf_id);
805 eth_broadcast_addr(broadcast);
806 f = i40e_add_mac_filter(vsi, broadcast);
808 dev_info(&pf->pdev->dev,
809 "Could not allocate VF broadcast filter\n");
810 spin_unlock_bh(&vsi->mac_filter_hash_lock);
811 wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena);
812 wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32));
813 /* program mac filter only for VF VSI */
814 ret = i40e_sync_vsi_filters(vsi);
816 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
819 /* storing VSI index and id for ADq and don't apply the mac filter */
820 if (vf->adq_enabled) {
821 vf->ch[idx].vsi_idx = vsi->idx;
822 vf->ch[idx].vsi_id = vsi->id;
825 /* Set VF bandwidth if specified */
827 max_tx_rate = vf->tx_rate;
828 } else if (vf->ch[idx].max_tx_rate) {
829 max_tx_rate = vf->ch[idx].max_tx_rate;
833 max_tx_rate = div_u64(max_tx_rate, I40E_BW_CREDIT_DIVISOR);
834 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
835 max_tx_rate, 0, NULL);
837 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
846 * i40e_map_pf_queues_to_vsi
847 * @vf: pointer to the VF info
849 * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
850 * function takes care of first part VSILAN_QTABLE, mapping pf queues to VSI.
852 static void i40e_map_pf_queues_to_vsi(struct i40e_vf *vf)
854 struct i40e_pf *pf = vf->pf;
855 struct i40e_hw *hw = &pf->hw;
856 u32 reg, num_tc = 1; /* VF has at least one traffic class */
863 for (i = 0; i < num_tc; i++) {
864 if (vf->adq_enabled) {
865 qps = vf->ch[i].num_qps;
866 vsi_id = vf->ch[i].vsi_id;
868 qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
869 vsi_id = vf->lan_vsi_id;
872 for (j = 0; j < 7; j++) {
877 u16 qid = i40e_vc_get_pf_queue_id(vf,
881 qid = i40e_vc_get_pf_queue_id(vf, vsi_id,
885 i40e_write_rx_ctl(hw,
886 I40E_VSILAN_QTABLE(j, vsi_id),
893 * i40e_map_pf_to_vf_queues
894 * @vf: pointer to the VF info
896 * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This
897 * function takes care of the second part VPLAN_QTABLE & completes VF mappings.
899 static void i40e_map_pf_to_vf_queues(struct i40e_vf *vf)
901 struct i40e_pf *pf = vf->pf;
902 struct i40e_hw *hw = &pf->hw;
903 u32 reg, total_qps = 0;
904 u32 qps, num_tc = 1; /* VF has at least one traffic class */
911 for (i = 0; i < num_tc; i++) {
912 if (vf->adq_enabled) {
913 qps = vf->ch[i].num_qps;
914 vsi_id = vf->ch[i].vsi_id;
916 qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
917 vsi_id = vf->lan_vsi_id;
920 for (j = 0; j < qps; j++) {
921 qid = i40e_vc_get_pf_queue_id(vf, vsi_id, j);
923 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
924 wr32(hw, I40E_VPLAN_QTABLE(total_qps, vf->vf_id),
932 * i40e_enable_vf_mappings
933 * @vf: pointer to the VF info
937 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
939 struct i40e_pf *pf = vf->pf;
940 struct i40e_hw *hw = &pf->hw;
943 /* Tell the hardware we're using noncontiguous mapping. HW requires
944 * that VF queues be mapped using this method, even when they are
945 * contiguous in real life
947 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
948 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
950 /* enable VF vplan_qtable mappings */
951 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
952 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
954 i40e_map_pf_to_vf_queues(vf);
955 i40e_map_pf_queues_to_vsi(vf);
961 * i40e_disable_vf_mappings
962 * @vf: pointer to the VF info
964 * disable VF mappings
966 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
968 struct i40e_pf *pf = vf->pf;
969 struct i40e_hw *hw = &pf->hw;
972 /* disable qp mappings */
973 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
974 for (i = 0; i < I40E_MAX_VSI_QP; i++)
975 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
976 I40E_QUEUE_END_OF_LIST);
982 * @vf: pointer to the VF info
986 static void i40e_free_vf_res(struct i40e_vf *vf)
988 struct i40e_pf *pf = vf->pf;
989 struct i40e_hw *hw = &pf->hw;
993 /* Start by disabling VF's configuration API to prevent the OS from
994 * accessing the VF's VSI after it's freed / invalidated.
996 clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
998 /* It's possible the VF had requeuested more queues than the default so
999 * do the accounting here when we're about to free them.
1001 if (vf->num_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF) {
1002 pf->queues_left += vf->num_queue_pairs -
1003 I40E_DEFAULT_QUEUES_PER_VF;
1006 /* free vsi & disconnect it from the parent uplink */
1007 if (vf->lan_vsi_idx) {
1008 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
1009 vf->lan_vsi_idx = 0;
1013 /* do the accounting and remove additional ADq VSI's */
1014 if (vf->adq_enabled && vf->ch[0].vsi_idx) {
1015 for (j = 0; j < vf->num_tc; j++) {
1016 /* At this point VSI0 is already released so don't
1017 * release it again and only clear their values in
1018 * structure variables
1021 i40e_vsi_release(pf->vsi[vf->ch[j].vsi_idx]);
1022 vf->ch[j].vsi_idx = 0;
1023 vf->ch[j].vsi_id = 0;
1026 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
1028 /* disable interrupts so the VF starts in a known state */
1029 for (i = 0; i < msix_vf; i++) {
1030 /* format is same for both registers */
1032 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
1034 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
1037 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
1041 /* clear the irq settings */
1042 for (i = 0; i < msix_vf; i++) {
1043 /* format is same for both registers */
1045 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
1047 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
1050 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
1051 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
1052 wr32(hw, reg_idx, reg);
1055 /* reset some of the state variables keeping track of the resources */
1056 vf->num_queue_pairs = 0;
1057 clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states);
1058 clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states);
1063 * @vf: pointer to the VF info
1065 * allocate VF resources
1067 static int i40e_alloc_vf_res(struct i40e_vf *vf)
1069 struct i40e_pf *pf = vf->pf;
1070 int total_queue_pairs = 0;
1073 if (vf->num_req_queues &&
1074 vf->num_req_queues <= pf->queues_left + I40E_DEFAULT_QUEUES_PER_VF)
1075 pf->num_vf_qps = vf->num_req_queues;
1077 pf->num_vf_qps = I40E_DEFAULT_QUEUES_PER_VF;
1079 /* allocate hw vsi context & associated resources */
1080 ret = i40e_alloc_vsi_res(vf, 0);
1083 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
1085 /* allocate additional VSIs based on tc information for ADq */
1086 if (vf->adq_enabled) {
1087 if (pf->queues_left >=
1088 (I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF)) {
1089 /* TC 0 always belongs to VF VSI */
1090 for (idx = 1; idx < vf->num_tc; idx++) {
1091 ret = i40e_alloc_vsi_res(vf, idx);
1095 /* send correct number of queues */
1096 total_queue_pairs = I40E_MAX_VF_QUEUES;
1098 dev_info(&pf->pdev->dev, "VF %d: Not enough queues to allocate, disabling ADq\n",
1100 vf->adq_enabled = false;
1104 /* We account for each VF to get a default number of queue pairs. If
1105 * the VF has now requested more, we need to account for that to make
1106 * certain we never request more queues than we actually have left in
1109 if (total_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF)
1111 total_queue_pairs - I40E_DEFAULT_QUEUES_PER_VF;
1114 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
1116 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
1118 /* store the total qps number for the runtime
1121 vf->num_queue_pairs = total_queue_pairs;
1123 /* VF is now completely initialized */
1124 set_bit(I40E_VF_STATE_INIT, &vf->vf_states);
1128 i40e_free_vf_res(vf);
1133 #define VF_DEVICE_STATUS 0xAA
1134 #define VF_TRANS_PENDING_MASK 0x20
1136 * i40e_quiesce_vf_pci
1137 * @vf: pointer to the VF structure
1139 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
1140 * if the transactions never clear.
1142 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
1144 struct i40e_pf *pf = vf->pf;
1145 struct i40e_hw *hw = &pf->hw;
1149 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
1151 wr32(hw, I40E_PF_PCI_CIAA,
1152 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
1153 for (i = 0; i < 100; i++) {
1154 reg = rd32(hw, I40E_PF_PCI_CIAD);
1155 if ((reg & VF_TRANS_PENDING_MASK) == 0)
1163 * __i40e_getnum_vf_vsi_vlan_filters
1164 * @vsi: pointer to the vsi
1166 * called to get the number of VLANs offloaded on this VF
1168 static int __i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1170 struct i40e_mac_filter *f;
1171 u16 num_vlans = 0, bkt;
1173 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1174 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1182 * i40e_getnum_vf_vsi_vlan_filters
1183 * @vsi: pointer to the vsi
1185 * wrapper for __i40e_getnum_vf_vsi_vlan_filters() with spinlock held
1187 static int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1191 spin_lock_bh(&vsi->mac_filter_hash_lock);
1192 num_vlans = __i40e_getnum_vf_vsi_vlan_filters(vsi);
1193 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1199 * i40e_get_vlan_list_sync
1200 * @vsi: pointer to the VSI
1201 * @num_vlans: number of VLANs in mac_filter_hash, returned to caller
1202 * @vlan_list: list of VLANs present in mac_filter_hash, returned to caller.
1203 * This array is allocated here, but has to be freed in caller.
1205 * Called to get number of VLANs and VLAN list present in mac_filter_hash.
1207 static void i40e_get_vlan_list_sync(struct i40e_vsi *vsi, u16 *num_vlans,
1210 struct i40e_mac_filter *f;
1214 spin_lock_bh(&vsi->mac_filter_hash_lock);
1215 *num_vlans = __i40e_getnum_vf_vsi_vlan_filters(vsi);
1216 *vlan_list = kcalloc(*num_vlans, sizeof(**vlan_list), GFP_ATOMIC);
1220 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1221 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1223 (*vlan_list)[i++] = f->vlan;
1226 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1230 * i40e_set_vsi_promisc
1231 * @vf: pointer to the VF struct
1233 * @multi_enable: set MAC L2 layer multicast promiscuous enable/disable
1235 * @unicast_enable: set MAC L2 layer unicast promiscuous enable/disable
1237 * @vl: List of VLANs - apply filter for given VLANs
1238 * @num_vlans: Number of elements in @vl
1241 i40e_set_vsi_promisc(struct i40e_vf *vf, u16 seid, bool multi_enable,
1242 bool unicast_enable, s16 *vl, u16 num_vlans)
1244 i40e_status aq_ret, aq_tmp = 0;
1245 struct i40e_pf *pf = vf->pf;
1246 struct i40e_hw *hw = &pf->hw;
1249 /* No VLAN to set promisc on, set on VSI */
1250 if (!num_vlans || !vl) {
1251 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, seid,
1255 int aq_err = pf->hw.aq.asq_last_status;
1257 dev_err(&pf->pdev->dev,
1258 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1260 i40e_stat_str(&pf->hw, aq_ret),
1261 i40e_aq_str(&pf->hw, aq_err));
1266 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, seid,
1271 int aq_err = pf->hw.aq.asq_last_status;
1273 dev_err(&pf->pdev->dev,
1274 "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
1276 i40e_stat_str(&pf->hw, aq_ret),
1277 i40e_aq_str(&pf->hw, aq_err));
1283 for (i = 0; i < num_vlans; i++) {
1284 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, seid,
1288 int aq_err = pf->hw.aq.asq_last_status;
1290 dev_err(&pf->pdev->dev,
1291 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1293 i40e_stat_str(&pf->hw, aq_ret),
1294 i40e_aq_str(&pf->hw, aq_err));
1300 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, seid,
1304 int aq_err = pf->hw.aq.asq_last_status;
1306 dev_err(&pf->pdev->dev,
1307 "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n",
1309 i40e_stat_str(&pf->hw, aq_ret),
1310 i40e_aq_str(&pf->hw, aq_err));
1324 * i40e_config_vf_promiscuous_mode
1325 * @vf: pointer to the VF info
1327 * @allmulti: set MAC L2 layer multicast promiscuous enable/disable
1328 * @alluni: set MAC L2 layer unicast promiscuous enable/disable
1330 * Called from the VF to configure the promiscuous mode of
1331 * VF vsis and from the VF reset path to reset promiscuous mode.
1333 static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf,
1338 i40e_status aq_ret = I40E_SUCCESS;
1339 struct i40e_pf *pf = vf->pf;
1340 struct i40e_vsi *vsi;
1344 vsi = i40e_find_vsi_from_id(pf, vsi_id);
1345 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id) || !vsi)
1346 return I40E_ERR_PARAM;
1348 if (vf->port_vlan_id) {
1349 aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti,
1350 alluni, &vf->port_vlan_id, 1);
1352 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1353 i40e_get_vlan_list_sync(vsi, &num_vlans, &vl);
1356 return I40E_ERR_NO_MEMORY;
1358 aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti, alluni,
1364 /* no VLANs to set on, set on VSI */
1365 aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti, alluni,
1371 * i40e_trigger_vf_reset
1372 * @vf: pointer to the VF structure
1373 * @flr: VFLR was issued or not
1375 * Trigger hardware to start a reset for a particular VF. Expects the caller
1376 * to wait the proper amount of time to allow hardware to reset the VF before
1377 * it cleans up and restores VF functionality.
1379 static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
1381 struct i40e_pf *pf = vf->pf;
1382 struct i40e_hw *hw = &pf->hw;
1383 u32 reg, reg_idx, bit_idx;
1386 clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
1388 /* Disable VF's configuration API during reset. The flag is re-enabled
1389 * in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
1390 * It's normally disabled in i40e_free_vf_res(), but it's safer
1391 * to do it earlier to give some time to finish to any VF config
1392 * functions that may still be running at this point.
1394 clear_bit(I40E_VF_STATE_INIT, &vf->vf_states);
1396 /* In the case of a VFLR, the HW has already reset the VF and we
1397 * just need to clean up, so don't hit the VFRTRIG register.
1400 /* reset VF using VPGEN_VFRTRIG reg */
1401 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
1402 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
1403 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
1406 /* clear the VFLR bit in GLGEN_VFLRSTAT */
1407 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
1408 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
1409 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1412 if (i40e_quiesce_vf_pci(vf))
1413 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
1418 * i40e_cleanup_reset_vf
1419 * @vf: pointer to the VF structure
1421 * Cleanup a VF after the hardware reset is finished. Expects the caller to
1422 * have verified whether the reset is finished properly, and ensure the
1423 * minimum amount of wait time has passed.
1425 static void i40e_cleanup_reset_vf(struct i40e_vf *vf)
1427 struct i40e_pf *pf = vf->pf;
1428 struct i40e_hw *hw = &pf->hw;
1431 /* disable promisc modes in case they were enabled */
1432 i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id, false, false);
1434 /* free VF resources to begin resetting the VSI state */
1435 i40e_free_vf_res(vf);
1437 /* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg.
1438 * By doing this we allow HW to access VF memory at any point. If we
1439 * did it any sooner, HW could access memory while it was being freed
1440 * in i40e_free_vf_res(), causing an IOMMU fault.
1442 * On the other hand, this needs to be done ASAP, because the VF driver
1443 * is waiting for this to happen and may report a timeout. It's
1444 * harmless, but it gets logged into Guest OS kernel log, so best avoid
1447 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
1448 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
1449 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
1451 /* reallocate VF resources to finish resetting the VSI state */
1452 if (!i40e_alloc_vf_res(vf)) {
1453 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1454 i40e_enable_vf_mappings(vf);
1455 set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
1456 clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
1457 /* Do not notify the client during VF init */
1458 if (!test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE,
1460 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1464 /* Tell the VF driver the reset is done. This needs to be done only
1465 * after VF has been fully initialized, because the VF driver may
1466 * request resources immediately after setting this flag.
1468 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
1473 * @vf: pointer to the VF structure
1474 * @flr: VFLR was issued or not
1476 * Returns true if the VF is in reset, resets successfully, or resets
1477 * are disabled and false otherwise.
1479 bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
1481 struct i40e_pf *pf = vf->pf;
1482 struct i40e_hw *hw = &pf->hw;
1487 if (test_bit(__I40E_VF_RESETS_DISABLED, pf->state))
1490 /* If the VFs have been disabled, this means something else is
1491 * resetting the VF, so we shouldn't continue.
1493 if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1496 i40e_trigger_vf_reset(vf, flr);
1498 /* poll VPGEN_VFRSTAT reg to make sure
1499 * that reset is complete
1501 for (i = 0; i < 10; i++) {
1502 /* VF reset requires driver to first reset the VF and then
1503 * poll the status register to make sure that the reset
1504 * completed successfully. Due to internal HW FIFO flushes,
1505 * we must wait 10ms before the register will be valid.
1507 usleep_range(10000, 20000);
1508 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
1509 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
1516 usleep_range(10000, 20000);
1519 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
1521 usleep_range(10000, 20000);
1523 /* On initial reset, we don't have any queues to disable */
1524 if (vf->lan_vsi_idx != 0)
1525 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1527 i40e_cleanup_reset_vf(vf);
1530 clear_bit(__I40E_VF_DISABLE, pf->state);
1536 * i40e_reset_all_vfs
1537 * @pf: pointer to the PF structure
1538 * @flr: VFLR was issued or not
1540 * Reset all allocated VFs in one go. First, tell the hardware to reset each
1541 * VF, then do all the waiting in one chunk, and finally finish restoring each
1542 * VF after the wait. This is useful during PF routines which need to reset
1543 * all VFs, as otherwise it must perform these resets in a serialized fashion.
1545 * Returns true if any VFs were reset, and false otherwise.
1547 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
1549 struct i40e_hw *hw = &pf->hw;
1554 /* If we don't have any VFs, then there is nothing to reset */
1555 if (!pf->num_alloc_vfs)
1558 /* If VFs have been disabled, there is no need to reset */
1559 if (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1562 /* Begin reset on all VFs at once */
1563 for (v = 0; v < pf->num_alloc_vfs; v++)
1564 i40e_trigger_vf_reset(&pf->vf[v], flr);
1566 /* HW requires some time to make sure it can flush the FIFO for a VF
1567 * when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
1568 * sequence to make sure that it has completed. We'll keep track of
1569 * the VFs using a simple iterator that increments once that VF has
1570 * finished resetting.
1572 for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
1573 usleep_range(10000, 20000);
1575 /* Check each VF in sequence, beginning with the VF to fail
1576 * the previous check.
1578 while (v < pf->num_alloc_vfs) {
1580 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
1581 if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
1584 /* If the current VF has finished resetting, move on
1585 * to the next VF in sequence.
1592 usleep_range(10000, 20000);
1594 /* Display a warning if at least one VF didn't manage to reset in
1595 * time, but continue on with the operation.
1597 if (v < pf->num_alloc_vfs)
1598 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
1600 usleep_range(10000, 20000);
1602 /* Begin disabling all the rings associated with VFs, but do not wait
1605 for (v = 0; v < pf->num_alloc_vfs; v++) {
1606 /* On initial reset, we don't have any queues to disable */
1607 if (pf->vf[v].lan_vsi_idx == 0)
1610 i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
1613 /* Now that we've notified HW to disable all of the VF rings, wait
1614 * until they finish.
1616 for (v = 0; v < pf->num_alloc_vfs; v++) {
1617 /* On initial reset, we don't have any queues to disable */
1618 if (pf->vf[v].lan_vsi_idx == 0)
1621 i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
1624 /* Hw may need up to 50ms to finish disabling the RX queues. We
1625 * minimize the wait by delaying only once for all VFs.
1629 /* Finish the reset on each VF */
1630 for (v = 0; v < pf->num_alloc_vfs; v++)
1631 i40e_cleanup_reset_vf(&pf->vf[v]);
1634 clear_bit(__I40E_VF_DISABLE, pf->state);
1641 * @pf: pointer to the PF structure
1645 void i40e_free_vfs(struct i40e_pf *pf)
1647 struct i40e_hw *hw = &pf->hw;
1648 u32 reg_idx, bit_idx;
1654 set_bit(__I40E_VFS_RELEASING, pf->state);
1655 while (test_and_set_bit(__I40E_VF_DISABLE, pf->state))
1656 usleep_range(1000, 2000);
1658 i40e_notify_client_of_vf_enable(pf, 0);
1660 /* Disable IOV before freeing resources. This lets any VF drivers
1661 * running in the host get themselves cleaned up before we yank
1662 * the carpet out from underneath their feet.
1664 if (!pci_vfs_assigned(pf->pdev))
1665 pci_disable_sriov(pf->pdev);
1667 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1669 /* Amortize wait time by stopping all VFs at the same time */
1670 for (i = 0; i < pf->num_alloc_vfs; i++) {
1671 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1674 i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[i].lan_vsi_idx]);
1677 for (i = 0; i < pf->num_alloc_vfs; i++) {
1678 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1681 i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]);
1684 /* free up VF resources */
1685 tmp = pf->num_alloc_vfs;
1686 pf->num_alloc_vfs = 0;
1687 for (i = 0; i < tmp; i++) {
1688 if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states))
1689 i40e_free_vf_res(&pf->vf[i]);
1690 /* disable qp mappings */
1691 i40e_disable_vf_mappings(&pf->vf[i]);
1697 /* This check is for when the driver is unloaded while VFs are
1698 * assigned. Setting the number of VFs to 0 through sysfs is caught
1699 * before this function ever gets called.
1701 if (!pci_vfs_assigned(pf->pdev)) {
1702 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1703 * work correctly when SR-IOV gets re-enabled.
1705 for (vf_id = 0; vf_id < tmp; vf_id++) {
1706 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1707 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1708 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1711 clear_bit(__I40E_VF_DISABLE, pf->state);
1712 clear_bit(__I40E_VFS_RELEASING, pf->state);
1715 #ifdef CONFIG_PCI_IOV
1718 * @pf: pointer to the PF structure
1719 * @num_alloc_vfs: number of VFs to allocate
1721 * allocate VF resources
1723 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1725 struct i40e_vf *vfs;
1728 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1729 i40e_irq_dynamic_disable_icr0(pf);
1731 /* Check to see if we're just allocating resources for extant VFs */
1732 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1733 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1735 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1736 pf->num_alloc_vfs = 0;
1740 /* allocate memory */
1741 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1748 /* apply default profile */
1749 for (i = 0; i < num_alloc_vfs; i++) {
1751 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1754 /* assign default capabilities */
1755 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1756 vfs[i].spoofchk = true;
1758 set_bit(I40E_VF_STATE_PRE_ENABLE, &vfs[i].vf_states);
1761 pf->num_alloc_vfs = num_alloc_vfs;
1763 /* VF resources get allocated during reset */
1764 i40e_reset_all_vfs(pf, false);
1766 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1772 /* Re-enable interrupt 0. */
1773 i40e_irq_dynamic_enable_icr0(pf);
1779 * i40e_pci_sriov_enable
1780 * @pdev: pointer to a pci_dev structure
1781 * @num_vfs: number of VFs to allocate
1783 * Enable or change the number of VFs
1785 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1787 #ifdef CONFIG_PCI_IOV
1788 struct i40e_pf *pf = pci_get_drvdata(pdev);
1789 int pre_existing_vfs = pci_num_vf(pdev);
1792 if (test_bit(__I40E_TESTING, pf->state)) {
1793 dev_warn(&pdev->dev,
1794 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1799 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1801 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1804 if (num_vfs > pf->num_req_vfs) {
1805 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1806 num_vfs, pf->num_req_vfs);
1811 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1812 err = i40e_alloc_vfs(pf, num_vfs);
1814 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1828 * i40e_pci_sriov_configure
1829 * @pdev: pointer to a pci_dev structure
1830 * @num_vfs: number of VFs to allocate
1832 * Enable or change the number of VFs. Called when the user updates the number
1835 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1837 struct i40e_pf *pf = pci_get_drvdata(pdev);
1840 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
1841 dev_warn(&pdev->dev, "Unable to configure VFs, other operation is pending.\n");
1846 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1847 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1848 i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG);
1850 ret = i40e_pci_sriov_enable(pdev, num_vfs);
1851 goto sriov_configure_out;
1854 if (!pci_vfs_assigned(pf->pdev)) {
1856 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1857 i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG);
1859 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1861 goto sriov_configure_out;
1863 sriov_configure_out:
1864 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
1868 /***********************virtual channel routines******************/
1871 * i40e_vc_send_msg_to_vf
1872 * @vf: pointer to the VF info
1873 * @v_opcode: virtual channel opcode
1874 * @v_retval: virtual channel return value
1875 * @msg: pointer to the msg buffer
1876 * @msglen: msg length
1880 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1881 u32 v_retval, u8 *msg, u16 msglen)
1888 /* validate the request */
1889 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1894 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1896 /* single place to detect unsuccessful return values */
1898 vf->num_invalid_msgs++;
1899 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1900 vf->vf_id, v_opcode, v_retval);
1901 if (vf->num_invalid_msgs >
1902 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1903 dev_err(&pf->pdev->dev,
1904 "Number of invalid messages exceeded for VF %d\n",
1906 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1907 set_bit(I40E_VF_STATE_DISABLED, &vf->vf_states);
1910 vf->num_valid_msgs++;
1911 /* reset the invalid counter, if a valid message is received. */
1912 vf->num_invalid_msgs = 0;
1915 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1918 dev_info(&pf->pdev->dev,
1919 "Unable to send the message to VF %d aq_err %d\n",
1920 vf->vf_id, pf->hw.aq.asq_last_status);
1928 * i40e_vc_send_resp_to_vf
1929 * @vf: pointer to the VF info
1930 * @opcode: operation code
1931 * @retval: return value
1933 * send resp msg to VF
1935 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1936 enum virtchnl_ops opcode,
1939 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1943 * i40e_vc_get_version_msg
1944 * @vf: pointer to the VF info
1945 * @msg: pointer to the msg buffer
1947 * called from the VF to request the API version used by the PF
1949 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1951 struct virtchnl_version_info info = {
1952 VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR
1955 vf->vf_ver = *(struct virtchnl_version_info *)msg;
1956 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1957 if (VF_IS_V10(&vf->vf_ver))
1958 info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1959 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
1960 I40E_SUCCESS, (u8 *)&info,
1961 sizeof(struct virtchnl_version_info));
1965 * i40e_del_qch - delete all the additional VSIs created as a part of ADq
1966 * @vf: pointer to VF structure
1968 static void i40e_del_qch(struct i40e_vf *vf)
1970 struct i40e_pf *pf = vf->pf;
1973 /* first element in the array belongs to primary VF VSI and we shouldn't
1974 * delete it. We should however delete the rest of the VSIs created
1976 for (i = 1; i < vf->num_tc; i++) {
1977 if (vf->ch[i].vsi_idx) {
1978 i40e_vsi_release(pf->vsi[vf->ch[i].vsi_idx]);
1979 vf->ch[i].vsi_idx = 0;
1980 vf->ch[i].vsi_id = 0;
1986 * i40e_vc_get_vf_resources_msg
1987 * @vf: pointer to the VF info
1988 * @msg: pointer to the msg buffer
1990 * called from the VF to request its resources
1992 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1994 struct virtchnl_vf_resource *vfres = NULL;
1995 struct i40e_pf *pf = vf->pf;
1996 i40e_status aq_ret = 0;
1997 struct i40e_vsi *vsi;
2002 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
2003 aq_ret = I40E_ERR_PARAM;
2007 len = struct_size(vfres, vsi_res, num_vsis);
2008 vfres = kzalloc(len, GFP_KERNEL);
2010 aq_ret = I40E_ERR_NO_MEMORY;
2014 if (VF_IS_V11(&vf->vf_ver))
2015 vf->driver_caps = *(u32 *)msg;
2017 vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 |
2018 VIRTCHNL_VF_OFFLOAD_RSS_REG |
2019 VIRTCHNL_VF_OFFLOAD_VLAN;
2021 vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2;
2022 vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
2023 vsi = pf->vsi[vf->lan_vsi_idx];
2024 if (!vsi->info.pvid)
2025 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN;
2027 if (i40e_vf_client_capable(pf, vf->vf_id) &&
2028 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_IWARP)) {
2029 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_IWARP;
2030 set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
2032 clear_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states);
2035 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
2036 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;
2038 if ((pf->hw_features & I40E_HW_RSS_AQ_CAPABLE) &&
2039 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ))
2040 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ;
2042 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG;
2045 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
2046 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
2047 vfres->vf_cap_flags |=
2048 VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
2051 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP)
2052 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP;
2054 if ((pf->hw_features & I40E_HW_OUTER_UDP_CSUM_CAPABLE) &&
2055 (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM))
2056 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
2058 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
2059 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
2060 dev_err(&pf->pdev->dev,
2061 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
2063 aq_ret = I40E_ERR_PARAM;
2066 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING;
2069 if (pf->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) {
2070 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
2071 vfres->vf_cap_flags |=
2072 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
2075 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)
2076 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES;
2078 if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)
2079 vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADQ;
2081 vfres->num_vsis = num_vsis;
2082 vfres->num_queue_pairs = vf->num_queue_pairs;
2083 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
2084 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
2085 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
2087 if (vf->lan_vsi_idx) {
2088 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
2089 vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
2090 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
2091 /* VFs only use TC 0 */
2092 vfres->vsi_res[0].qset_handle
2093 = le16_to_cpu(vsi->info.qs_handle[0]);
2094 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
2095 vf->default_lan_addr.addr);
2097 set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
2100 /* send the response back to the VF */
2101 ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES,
2102 aq_ret, (u8 *)vfres, len);
2109 * i40e_vc_reset_vf_msg
2110 * @vf: pointer to the VF info
2112 * called from the VF to reset itself,
2113 * unlike other virtchnl messages, PF driver
2114 * doesn't send the response back to the VF
2116 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
2118 if (test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
2119 i40e_reset_vf(vf, false);
2123 * i40e_vc_config_promiscuous_mode_msg
2124 * @vf: pointer to the VF info
2125 * @msg: pointer to the msg buffer
2127 * called from the VF to configure the promiscuous mode of
2130 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg)
2132 struct virtchnl_promisc_info *info =
2133 (struct virtchnl_promisc_info *)msg;
2134 struct i40e_pf *pf = vf->pf;
2135 i40e_status aq_ret = 0;
2136 bool allmulti = false;
2137 bool alluni = false;
2139 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2140 aq_ret = I40E_ERR_PARAM;
2143 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2144 dev_err(&pf->pdev->dev,
2145 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
2148 /* Lie to the VF on purpose, because this is an error we can
2149 * ignore. Unprivileged VF is not a virtual channel error.
2155 if (info->flags > I40E_MAX_VF_PROMISC_FLAGS) {
2156 aq_ret = I40E_ERR_PARAM;
2160 if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
2161 aq_ret = I40E_ERR_PARAM;
2165 /* Multicast promiscuous handling*/
2166 if (info->flags & FLAG_VF_MULTICAST_PROMISC)
2169 if (info->flags & FLAG_VF_UNICAST_PROMISC)
2171 aq_ret = i40e_config_vf_promiscuous_mode(vf, info->vsi_id, allmulti,
2177 if (!test_and_set_bit(I40E_VF_STATE_MC_PROMISC,
2179 dev_info(&pf->pdev->dev,
2180 "VF %d successfully set multicast promiscuous mode\n",
2182 } else if (test_and_clear_bit(I40E_VF_STATE_MC_PROMISC,
2184 dev_info(&pf->pdev->dev,
2185 "VF %d successfully unset multicast promiscuous mode\n",
2189 if (!test_and_set_bit(I40E_VF_STATE_UC_PROMISC,
2191 dev_info(&pf->pdev->dev,
2192 "VF %d successfully set unicast promiscuous mode\n",
2194 } else if (test_and_clear_bit(I40E_VF_STATE_UC_PROMISC,
2196 dev_info(&pf->pdev->dev,
2197 "VF %d successfully unset unicast promiscuous mode\n",
2201 /* send the response to the VF */
2202 return i40e_vc_send_resp_to_vf(vf,
2203 VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
2208 * i40e_vc_config_queues_msg
2209 * @vf: pointer to the VF info
2210 * @msg: pointer to the msg buffer
2212 * called from the VF to configure the rx/tx
2215 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg)
2217 struct virtchnl_vsi_queue_config_info *qci =
2218 (struct virtchnl_vsi_queue_config_info *)msg;
2219 struct virtchnl_queue_pair_info *qpi;
2220 struct i40e_pf *pf = vf->pf;
2221 u16 vsi_id, vsi_queue_id = 0;
2222 u16 num_qps_all = 0;
2223 i40e_status aq_ret = 0;
2224 int i, j = 0, idx = 0;
2226 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2227 aq_ret = I40E_ERR_PARAM;
2231 if (!i40e_vc_isvalid_vsi_id(vf, qci->vsi_id)) {
2232 aq_ret = I40E_ERR_PARAM;
2236 if (qci->num_queue_pairs > I40E_MAX_VF_QUEUES) {
2237 aq_ret = I40E_ERR_PARAM;
2241 if (vf->adq_enabled) {
2242 for (i = 0; i < I40E_MAX_VF_VSI; i++)
2243 num_qps_all += vf->ch[i].num_qps;
2244 if (num_qps_all != qci->num_queue_pairs) {
2245 aq_ret = I40E_ERR_PARAM;
2250 vsi_id = qci->vsi_id;
2252 for (i = 0; i < qci->num_queue_pairs; i++) {
2253 qpi = &qci->qpair[i];
2255 if (!vf->adq_enabled) {
2256 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
2257 qpi->txq.queue_id)) {
2258 aq_ret = I40E_ERR_PARAM;
2262 vsi_queue_id = qpi->txq.queue_id;
2264 if (qpi->txq.vsi_id != qci->vsi_id ||
2265 qpi->rxq.vsi_id != qci->vsi_id ||
2266 qpi->rxq.queue_id != vsi_queue_id) {
2267 aq_ret = I40E_ERR_PARAM;
2272 if (vf->adq_enabled) {
2273 if (idx >= ARRAY_SIZE(vf->ch)) {
2274 aq_ret = I40E_ERR_NO_AVAILABLE_VSI;
2277 vsi_id = vf->ch[idx].vsi_id;
2280 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
2282 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
2284 aq_ret = I40E_ERR_PARAM;
2288 /* For ADq there can be up to 4 VSIs with max 4 queues each.
2289 * VF does not know about these additional VSIs and all
2290 * it cares is about its own queues. PF configures these queues
2291 * to its appropriate VSIs based on TC mapping
2293 if (vf->adq_enabled) {
2294 if (idx >= ARRAY_SIZE(vf->ch)) {
2295 aq_ret = I40E_ERR_NO_AVAILABLE_VSI;
2298 if (j == (vf->ch[idx].num_qps - 1)) {
2300 j = 0; /* resetting the queue count */
2308 /* set vsi num_queue_pairs in use to num configured by VF */
2309 if (!vf->adq_enabled) {
2310 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs =
2311 qci->num_queue_pairs;
2313 for (i = 0; i < vf->num_tc; i++)
2314 pf->vsi[vf->ch[i].vsi_idx]->num_queue_pairs =
2319 /* send the response to the VF */
2320 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
2325 * i40e_validate_queue_map - check queue map is valid
2326 * @vf: the VF structure pointer
2328 * @queuemap: Tx or Rx queue map
2330 * check if Tx or Rx queue map is valid
2332 static int i40e_validate_queue_map(struct i40e_vf *vf, u16 vsi_id,
2333 unsigned long queuemap)
2335 u16 vsi_queue_id, queue_id;
2337 for_each_set_bit(vsi_queue_id, &queuemap, I40E_MAX_VSI_QP) {
2338 if (vf->adq_enabled) {
2339 vsi_id = vf->ch[vsi_queue_id / I40E_MAX_VF_VSI].vsi_id;
2340 queue_id = (vsi_queue_id % I40E_DEFAULT_QUEUES_PER_VF);
2342 queue_id = vsi_queue_id;
2345 if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id))
2353 * i40e_vc_config_irq_map_msg
2354 * @vf: pointer to the VF info
2355 * @msg: pointer to the msg buffer
2357 * called from the VF to configure the irq to
2360 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg)
2362 struct virtchnl_irq_map_info *irqmap_info =
2363 (struct virtchnl_irq_map_info *)msg;
2364 struct virtchnl_vector_map *map;
2366 i40e_status aq_ret = 0;
2369 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2370 aq_ret = I40E_ERR_PARAM;
2374 if (irqmap_info->num_vectors >
2375 vf->pf->hw.func_caps.num_msix_vectors_vf) {
2376 aq_ret = I40E_ERR_PARAM;
2380 for (i = 0; i < irqmap_info->num_vectors; i++) {
2381 map = &irqmap_info->vecmap[i];
2382 /* validate msg params */
2383 if (!i40e_vc_isvalid_vector_id(vf, map->vector_id) ||
2384 !i40e_vc_isvalid_vsi_id(vf, map->vsi_id)) {
2385 aq_ret = I40E_ERR_PARAM;
2388 vsi_id = map->vsi_id;
2390 if (i40e_validate_queue_map(vf, vsi_id, map->rxq_map)) {
2391 aq_ret = I40E_ERR_PARAM;
2395 if (i40e_validate_queue_map(vf, vsi_id, map->txq_map)) {
2396 aq_ret = I40E_ERR_PARAM;
2400 i40e_config_irq_link_list(vf, vsi_id, map);
2403 /* send the response to the VF */
2404 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP,
2409 * i40e_ctrl_vf_tx_rings
2410 * @vsi: the SRIOV VSI being configured
2411 * @q_map: bit map of the queues to be enabled
2412 * @enable: start or stop the queue
2414 static int i40e_ctrl_vf_tx_rings(struct i40e_vsi *vsi, unsigned long q_map,
2417 struct i40e_pf *pf = vsi->back;
2421 for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
2422 ret = i40e_control_wait_tx_q(vsi->seid, pf,
2423 vsi->base_queue + q_id,
2424 false /*is xdp*/, enable);
2432 * i40e_ctrl_vf_rx_rings
2433 * @vsi: the SRIOV VSI being configured
2434 * @q_map: bit map of the queues to be enabled
2435 * @enable: start or stop the queue
2437 static int i40e_ctrl_vf_rx_rings(struct i40e_vsi *vsi, unsigned long q_map,
2440 struct i40e_pf *pf = vsi->back;
2444 for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) {
2445 ret = i40e_control_wait_rx_q(pf, vsi->base_queue + q_id,
2454 * i40e_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTHCHNL
2455 * @vqs: virtchnl_queue_select structure containing bitmaps to validate
2457 * Returns true if validation was successful, else false.
2459 static bool i40e_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs)
2461 if ((!vqs->rx_queues && !vqs->tx_queues) ||
2462 vqs->rx_queues >= BIT(I40E_MAX_VF_QUEUES) ||
2463 vqs->tx_queues >= BIT(I40E_MAX_VF_QUEUES))
2470 * i40e_vc_enable_queues_msg
2471 * @vf: pointer to the VF info
2472 * @msg: pointer to the msg buffer
2474 * called from the VF to enable all or specific queue(s)
2476 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg)
2478 struct virtchnl_queue_select *vqs =
2479 (struct virtchnl_queue_select *)msg;
2480 struct i40e_pf *pf = vf->pf;
2481 i40e_status aq_ret = 0;
2484 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2485 aq_ret = I40E_ERR_PARAM;
2489 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2490 aq_ret = I40E_ERR_PARAM;
2494 if (!i40e_vc_validate_vqs_bitmaps(vqs)) {
2495 aq_ret = I40E_ERR_PARAM;
2499 /* Use the queue bit map sent by the VF */
2500 if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
2502 aq_ret = I40E_ERR_TIMEOUT;
2505 if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
2507 aq_ret = I40E_ERR_TIMEOUT;
2511 /* need to start the rings for additional ADq VSI's as well */
2512 if (vf->adq_enabled) {
2513 /* zero belongs to LAN VSI */
2514 for (i = 1; i < vf->num_tc; i++) {
2515 if (i40e_vsi_start_rings(pf->vsi[vf->ch[i].vsi_idx]))
2516 aq_ret = I40E_ERR_TIMEOUT;
2521 /* send the response to the VF */
2522 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
2527 * i40e_vc_disable_queues_msg
2528 * @vf: pointer to the VF info
2529 * @msg: pointer to the msg buffer
2531 * called from the VF to disable all or specific
2534 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg)
2536 struct virtchnl_queue_select *vqs =
2537 (struct virtchnl_queue_select *)msg;
2538 struct i40e_pf *pf = vf->pf;
2539 i40e_status aq_ret = 0;
2541 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2542 aq_ret = I40E_ERR_PARAM;
2546 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2547 aq_ret = I40E_ERR_PARAM;
2551 if (!i40e_vc_validate_vqs_bitmaps(vqs)) {
2552 aq_ret = I40E_ERR_PARAM;
2556 /* Use the queue bit map sent by the VF */
2557 if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues,
2559 aq_ret = I40E_ERR_TIMEOUT;
2562 if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues,
2564 aq_ret = I40E_ERR_TIMEOUT;
2568 /* send the response to the VF */
2569 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES,
2574 * i40e_vc_request_queues_msg
2575 * @vf: pointer to the VF info
2576 * @msg: pointer to the msg buffer
2578 * VFs get a default number of queues but can use this message to request a
2579 * different number. If the request is successful, PF will reset the VF and
2580 * return 0. If unsuccessful, PF will send message informing VF of number of
2581 * available queues and return result of sending VF a message.
2583 static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg)
2585 struct virtchnl_vf_res_request *vfres =
2586 (struct virtchnl_vf_res_request *)msg;
2587 u16 req_pairs = vfres->num_queue_pairs;
2588 u8 cur_pairs = vf->num_queue_pairs;
2589 struct i40e_pf *pf = vf->pf;
2591 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
2594 if (req_pairs > I40E_MAX_VF_QUEUES) {
2595 dev_err(&pf->pdev->dev,
2596 "VF %d tried to request more than %d queues.\n",
2598 I40E_MAX_VF_QUEUES);
2599 vfres->num_queue_pairs = I40E_MAX_VF_QUEUES;
2600 } else if (req_pairs - cur_pairs > pf->queues_left) {
2601 dev_warn(&pf->pdev->dev,
2602 "VF %d requested %d more queues, but only %d left.\n",
2604 req_pairs - cur_pairs,
2606 vfres->num_queue_pairs = pf->queues_left + cur_pairs;
2608 /* successful request */
2609 vf->num_req_queues = req_pairs;
2610 i40e_vc_notify_vf_reset(vf);
2611 i40e_reset_vf(vf, false);
2615 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0,
2616 (u8 *)vfres, sizeof(*vfres));
2620 * i40e_vc_get_stats_msg
2621 * @vf: pointer to the VF info
2622 * @msg: pointer to the msg buffer
2624 * called from the VF to get vsi stats
2626 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg)
2628 struct virtchnl_queue_select *vqs =
2629 (struct virtchnl_queue_select *)msg;
2630 struct i40e_pf *pf = vf->pf;
2631 struct i40e_eth_stats stats;
2632 i40e_status aq_ret = 0;
2633 struct i40e_vsi *vsi;
2635 memset(&stats, 0, sizeof(struct i40e_eth_stats));
2637 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
2638 aq_ret = I40E_ERR_PARAM;
2642 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
2643 aq_ret = I40E_ERR_PARAM;
2647 vsi = pf->vsi[vf->lan_vsi_idx];
2649 aq_ret = I40E_ERR_PARAM;
2652 i40e_update_eth_stats(vsi);
2653 stats = vsi->eth_stats;
2656 /* send the response back to the VF */
2657 return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, aq_ret,
2658 (u8 *)&stats, sizeof(stats));
2661 /* If the VF is not trusted restrict the number of MAC/VLAN it can program
2662 * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast
2664 #define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1)
2665 #define I40E_VC_MAX_VLAN_PER_VF 16
2668 * i40e_check_vf_permission
2669 * @vf: pointer to the VF info
2670 * @al: MAC address list from virtchnl
2672 * Check that the given list of MAC addresses is allowed. Will return -EPERM
2673 * if any address in the list is not valid. Checks the following conditions:
2675 * 1) broadcast and zero addresses are never valid
2676 * 2) unicast addresses are not allowed if the VMM has administratively set
2677 * the VF MAC address, unless the VF is marked as privileged.
2678 * 3) There is enough space to add all the addresses.
2680 * Note that to guarantee consistency, it is expected this function be called
2681 * while holding the mac_filter_hash_lock, as otherwise the current number of
2682 * addresses might not be accurate.
2684 static inline int i40e_check_vf_permission(struct i40e_vf *vf,
2685 struct virtchnl_ether_addr_list *al)
2687 struct i40e_pf *pf = vf->pf;
2688 struct i40e_vsi *vsi = pf->vsi[vf->lan_vsi_idx];
2689 int mac2add_cnt = 0;
2692 for (i = 0; i < al->num_elements; i++) {
2693 struct i40e_mac_filter *f;
2694 u8 *addr = al->list[i].addr;
2696 if (is_broadcast_ether_addr(addr) ||
2697 is_zero_ether_addr(addr)) {
2698 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
2700 return I40E_ERR_INVALID_MAC_ADDR;
2703 /* If the host VMM administrator has set the VF MAC address
2704 * administratively via the ndo_set_vf_mac command then deny
2705 * permission to the VF to add or delete unicast MAC addresses.
2706 * Unless the VF is privileged and then it can do whatever.
2707 * The VF may request to set the MAC address filter already
2708 * assigned to it so do not return an error in that case.
2710 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
2711 !is_multicast_ether_addr(addr) && vf->pf_set_mac &&
2712 !ether_addr_equal(addr, vf->default_lan_addr.addr)) {
2713 dev_err(&pf->pdev->dev,
2714 "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n");
2718 /*count filters that really will be added*/
2719 f = i40e_find_mac(vsi, addr);
2724 /* If this VF is not privileged, then we can't add more than a limited
2725 * number of addresses. Check to make sure that the additions do not
2726 * push us over the limit.
2728 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
2729 (i40e_count_filters(vsi) + mac2add_cnt) >
2730 I40E_VC_MAX_MAC_ADDR_PER_VF) {
2731 dev_err(&pf->pdev->dev,
2732 "Cannot add more MAC addresses, VF is not trusted, switch the VF to trusted to add more functionality\n");
2739 * i40e_vc_add_mac_addr_msg
2740 * @vf: pointer to the VF info
2741 * @msg: pointer to the msg buffer
2743 * add guest mac address filter
2745 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
2747 struct virtchnl_ether_addr_list *al =
2748 (struct virtchnl_ether_addr_list *)msg;
2749 struct i40e_pf *pf = vf->pf;
2750 struct i40e_vsi *vsi = NULL;
2751 i40e_status ret = 0;
2754 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2755 !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
2756 ret = I40E_ERR_PARAM;
2760 vsi = pf->vsi[vf->lan_vsi_idx];
2762 /* Lock once, because all function inside for loop accesses VSI's
2763 * MAC filter list which needs to be protected using same lock.
2765 spin_lock_bh(&vsi->mac_filter_hash_lock);
2767 ret = i40e_check_vf_permission(vf, al);
2769 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2773 /* add new addresses to the list */
2774 for (i = 0; i < al->num_elements; i++) {
2775 struct i40e_mac_filter *f;
2777 f = i40e_find_mac(vsi, al->list[i].addr);
2779 f = i40e_add_mac_filter(vsi, al->list[i].addr);
2782 dev_err(&pf->pdev->dev,
2783 "Unable to add MAC filter %pM for VF %d\n",
2784 al->list[i].addr, vf->vf_id);
2785 ret = I40E_ERR_PARAM;
2786 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2789 if (is_valid_ether_addr(al->list[i].addr) &&
2790 is_zero_ether_addr(vf->default_lan_addr.addr))
2791 ether_addr_copy(vf->default_lan_addr.addr,
2795 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2797 /* program the updated filter list */
2798 ret = i40e_sync_vsi_filters(vsi);
2800 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2804 /* send the response to the VF */
2805 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
2810 * i40e_vc_del_mac_addr_msg
2811 * @vf: pointer to the VF info
2812 * @msg: pointer to the msg buffer
2814 * remove guest mac address filter
2816 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
2818 struct virtchnl_ether_addr_list *al =
2819 (struct virtchnl_ether_addr_list *)msg;
2820 bool was_unimac_deleted = false;
2821 struct i40e_pf *pf = vf->pf;
2822 struct i40e_vsi *vsi = NULL;
2823 i40e_status ret = 0;
2826 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2827 !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
2828 ret = I40E_ERR_PARAM;
2832 for (i = 0; i < al->num_elements; i++) {
2833 if (is_broadcast_ether_addr(al->list[i].addr) ||
2834 is_zero_ether_addr(al->list[i].addr)) {
2835 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
2836 al->list[i].addr, vf->vf_id);
2837 ret = I40E_ERR_INVALID_MAC_ADDR;
2840 if (ether_addr_equal(al->list[i].addr, vf->default_lan_addr.addr))
2841 was_unimac_deleted = true;
2843 vsi = pf->vsi[vf->lan_vsi_idx];
2845 spin_lock_bh(&vsi->mac_filter_hash_lock);
2846 /* delete addresses from the list */
2847 for (i = 0; i < al->num_elements; i++)
2848 if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
2849 ret = I40E_ERR_INVALID_MAC_ADDR;
2850 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2854 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2856 /* program the updated filter list */
2857 ret = i40e_sync_vsi_filters(vsi);
2859 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2862 if (vf->trusted && was_unimac_deleted) {
2863 struct i40e_mac_filter *f;
2864 struct hlist_node *h;
2868 /* set last unicast mac address as default */
2869 spin_lock_bh(&vsi->mac_filter_hash_lock);
2870 hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) {
2871 if (is_valid_ether_addr(f->macaddr))
2872 macaddr = f->macaddr;
2875 ether_addr_copy(vf->default_lan_addr.addr, macaddr);
2876 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2879 /* send the response to the VF */
2880 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR, ret);
2884 * i40e_vc_add_vlan_msg
2885 * @vf: pointer to the VF info
2886 * @msg: pointer to the msg buffer
2888 * program guest vlan id
2890 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg)
2892 struct virtchnl_vlan_filter_list *vfl =
2893 (struct virtchnl_vlan_filter_list *)msg;
2894 struct i40e_pf *pf = vf->pf;
2895 struct i40e_vsi *vsi = NULL;
2896 i40e_status aq_ret = 0;
2899 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2900 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2901 dev_err(&pf->pdev->dev,
2902 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2905 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2906 !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
2907 aq_ret = I40E_ERR_PARAM;
2911 for (i = 0; i < vfl->num_elements; i++) {
2912 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2913 aq_ret = I40E_ERR_PARAM;
2914 dev_err(&pf->pdev->dev,
2915 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2919 vsi = pf->vsi[vf->lan_vsi_idx];
2920 if (vsi->info.pvid) {
2921 aq_ret = I40E_ERR_PARAM;
2925 i40e_vlan_stripping_enable(vsi);
2926 for (i = 0; i < vfl->num_elements; i++) {
2927 /* add new VLAN filter */
2928 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2932 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
2933 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2937 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
2938 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2944 dev_err(&pf->pdev->dev,
2945 "Unable to add VLAN filter %d for VF %d, error %d\n",
2946 vfl->vlan_id[i], vf->vf_id, ret);
2950 /* send the response to the VF */
2951 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, aq_ret);
2955 * i40e_vc_remove_vlan_msg
2956 * @vf: pointer to the VF info
2957 * @msg: pointer to the msg buffer
2959 * remove programmed guest vlan id
2961 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg)
2963 struct virtchnl_vlan_filter_list *vfl =
2964 (struct virtchnl_vlan_filter_list *)msg;
2965 struct i40e_pf *pf = vf->pf;
2966 struct i40e_vsi *vsi = NULL;
2967 i40e_status aq_ret = 0;
2970 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
2971 !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
2972 aq_ret = I40E_ERR_PARAM;
2976 for (i = 0; i < vfl->num_elements; i++) {
2977 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2978 aq_ret = I40E_ERR_PARAM;
2983 vsi = pf->vsi[vf->lan_vsi_idx];
2984 if (vsi->info.pvid) {
2985 if (vfl->num_elements > 1 || vfl->vlan_id[0])
2986 aq_ret = I40E_ERR_PARAM;
2990 for (i = 0; i < vfl->num_elements; i++) {
2991 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2994 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
2995 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2999 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
3000 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
3007 /* send the response to the VF */
3008 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, aq_ret);
3013 * @vf: pointer to the VF info
3014 * @msg: pointer to the msg buffer
3015 * @msglen: msg length
3017 * called from the VF for the iwarp msgs
3019 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
3021 struct i40e_pf *pf = vf->pf;
3022 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
3023 i40e_status aq_ret = 0;
3025 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
3026 !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
3027 aq_ret = I40E_ERR_PARAM;
3031 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
3035 /* send the response to the VF */
3036 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_IWARP,
3041 * i40e_vc_iwarp_qvmap_msg
3042 * @vf: pointer to the VF info
3043 * @msg: pointer to the msg buffer
3044 * @config: config qvmap or release it
3046 * called from the VF for the iwarp msgs
3048 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, bool config)
3050 struct virtchnl_iwarp_qvlist_info *qvlist_info =
3051 (struct virtchnl_iwarp_qvlist_info *)msg;
3052 i40e_status aq_ret = 0;
3054 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
3055 !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) {
3056 aq_ret = I40E_ERR_PARAM;
3061 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
3062 aq_ret = I40E_ERR_PARAM;
3064 i40e_release_iwarp_qvlist(vf);
3068 /* send the response to the VF */
3069 return i40e_vc_send_resp_to_vf(vf,
3070 config ? VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
3071 VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
3076 * i40e_vc_config_rss_key
3077 * @vf: pointer to the VF info
3078 * @msg: pointer to the msg buffer
3080 * Configure the VF's RSS key
3082 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg)
3084 struct virtchnl_rss_key *vrk =
3085 (struct virtchnl_rss_key *)msg;
3086 struct i40e_pf *pf = vf->pf;
3087 struct i40e_vsi *vsi = NULL;
3088 i40e_status aq_ret = 0;
3090 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
3091 !i40e_vc_isvalid_vsi_id(vf, vrk->vsi_id) ||
3092 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
3093 aq_ret = I40E_ERR_PARAM;
3097 vsi = pf->vsi[vf->lan_vsi_idx];
3098 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
3100 /* send the response to the VF */
3101 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
3106 * i40e_vc_config_rss_lut
3107 * @vf: pointer to the VF info
3108 * @msg: pointer to the msg buffer
3110 * Configure the VF's RSS LUT
3112 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg)
3114 struct virtchnl_rss_lut *vrl =
3115 (struct virtchnl_rss_lut *)msg;
3116 struct i40e_pf *pf = vf->pf;
3117 struct i40e_vsi *vsi = NULL;
3118 i40e_status aq_ret = 0;
3121 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
3122 !i40e_vc_isvalid_vsi_id(vf, vrl->vsi_id) ||
3123 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
3124 aq_ret = I40E_ERR_PARAM;
3128 for (i = 0; i < vrl->lut_entries; i++)
3129 if (vrl->lut[i] >= vf->num_queue_pairs) {
3130 aq_ret = I40E_ERR_PARAM;
3134 vsi = pf->vsi[vf->lan_vsi_idx];
3135 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
3136 /* send the response to the VF */
3138 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
3143 * i40e_vc_get_rss_hena
3144 * @vf: pointer to the VF info
3145 * @msg: pointer to the msg buffer
3147 * Return the RSS HENA bits allowed by the hardware
3149 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg)
3151 struct virtchnl_rss_hena *vrh = NULL;
3152 struct i40e_pf *pf = vf->pf;
3153 i40e_status aq_ret = 0;
3156 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3157 aq_ret = I40E_ERR_PARAM;
3160 len = sizeof(struct virtchnl_rss_hena);
3162 vrh = kzalloc(len, GFP_KERNEL);
3164 aq_ret = I40E_ERR_NO_MEMORY;
3168 vrh->hena = i40e_pf_get_default_rss_hena(pf);
3170 /* send the response back to the VF */
3171 aq_ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS,
3172 aq_ret, (u8 *)vrh, len);
3178 * i40e_vc_set_rss_hena
3179 * @vf: pointer to the VF info
3180 * @msg: pointer to the msg buffer
3182 * Set the RSS HENA bits for the VF
3184 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg)
3186 struct virtchnl_rss_hena *vrh =
3187 (struct virtchnl_rss_hena *)msg;
3188 struct i40e_pf *pf = vf->pf;
3189 struct i40e_hw *hw = &pf->hw;
3190 i40e_status aq_ret = 0;
3192 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3193 aq_ret = I40E_ERR_PARAM;
3196 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
3197 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
3198 (u32)(vrh->hena >> 32));
3200 /* send the response to the VF */
3202 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret);
3206 * i40e_vc_enable_vlan_stripping
3207 * @vf: pointer to the VF info
3208 * @msg: pointer to the msg buffer
3210 * Enable vlan header stripping for the VF
3212 static int i40e_vc_enable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
3214 i40e_status aq_ret = 0;
3215 struct i40e_vsi *vsi;
3217 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3218 aq_ret = I40E_ERR_PARAM;
3222 vsi = vf->pf->vsi[vf->lan_vsi_idx];
3223 i40e_vlan_stripping_enable(vsi);
3225 /* send the response to the VF */
3227 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
3232 * i40e_vc_disable_vlan_stripping
3233 * @vf: pointer to the VF info
3234 * @msg: pointer to the msg buffer
3236 * Disable vlan header stripping for the VF
3238 static int i40e_vc_disable_vlan_stripping(struct i40e_vf *vf, u8 *msg)
3240 i40e_status aq_ret = 0;
3241 struct i40e_vsi *vsi;
3243 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3244 aq_ret = I40E_ERR_PARAM;
3248 vsi = vf->pf->vsi[vf->lan_vsi_idx];
3249 i40e_vlan_stripping_disable(vsi);
3251 /* send the response to the VF */
3253 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
3258 * i40e_validate_cloud_filter
3259 * @vf: pointer to VF structure
3260 * @tc_filter: pointer to filter requested
3262 * This function validates cloud filter programmed as TC filter for ADq
3264 static int i40e_validate_cloud_filter(struct i40e_vf *vf,
3265 struct virtchnl_filter *tc_filter)
3267 struct virtchnl_l4_spec mask = tc_filter->mask.tcp_spec;
3268 struct virtchnl_l4_spec data = tc_filter->data.tcp_spec;
3269 struct i40e_pf *pf = vf->pf;
3270 struct i40e_vsi *vsi = NULL;
3271 struct i40e_mac_filter *f;
3272 struct hlist_node *h;
3276 if (!tc_filter->action) {
3277 dev_info(&pf->pdev->dev,
3278 "VF %d: Currently ADq doesn't support Drop Action\n",
3283 /* action_meta is TC number here to which the filter is applied */
3284 if (!tc_filter->action_meta ||
3285 tc_filter->action_meta > I40E_MAX_VF_VSI) {
3286 dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n",
3287 vf->vf_id, tc_filter->action_meta);
3291 /* Check filter if it's programmed for advanced mode or basic mode.
3292 * There are two ADq modes (for VF only),
3293 * 1. Basic mode: intended to allow as many filter options as possible
3294 * to be added to a VF in Non-trusted mode. Main goal is
3295 * to add filters to its own MAC and VLAN id.
3296 * 2. Advanced mode: is for allowing filters to be applied other than
3297 * its own MAC or VLAN. This mode requires the VF to be
3300 if (mask.dst_mac[0] && !mask.dst_ip[0]) {
3301 vsi = pf->vsi[vf->lan_vsi_idx];
3302 f = i40e_find_mac(vsi, data.dst_mac);
3305 dev_info(&pf->pdev->dev,
3306 "Destination MAC %pM doesn't belong to VF %d\n",
3307 data.dst_mac, vf->vf_id);
3312 hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f,
3314 if (f->vlan == ntohs(data.vlan_id)) {
3320 dev_info(&pf->pdev->dev,
3321 "VF %d doesn't have any VLAN id %u\n",
3322 vf->vf_id, ntohs(data.vlan_id));
3327 /* Check if VF is trusted */
3328 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
3329 dev_err(&pf->pdev->dev,
3330 "VF %d not trusted, make VF trusted to add advanced mode ADq cloud filters\n",
3332 return I40E_ERR_CONFIG;
3336 if (mask.dst_mac[0] & data.dst_mac[0]) {
3337 if (is_broadcast_ether_addr(data.dst_mac) ||
3338 is_zero_ether_addr(data.dst_mac)) {
3339 dev_info(&pf->pdev->dev, "VF %d: Invalid Dest MAC addr %pM\n",
3340 vf->vf_id, data.dst_mac);
3345 if (mask.src_mac[0] & data.src_mac[0]) {
3346 if (is_broadcast_ether_addr(data.src_mac) ||
3347 is_zero_ether_addr(data.src_mac)) {
3348 dev_info(&pf->pdev->dev, "VF %d: Invalid Source MAC addr %pM\n",
3349 vf->vf_id, data.src_mac);
3354 if (mask.dst_port & data.dst_port) {
3355 if (!data.dst_port) {
3356 dev_info(&pf->pdev->dev, "VF %d: Invalid Dest port\n",
3362 if (mask.src_port & data.src_port) {
3363 if (!data.src_port) {
3364 dev_info(&pf->pdev->dev, "VF %d: Invalid Source port\n",
3370 if (tc_filter->flow_type != VIRTCHNL_TCP_V6_FLOW &&
3371 tc_filter->flow_type != VIRTCHNL_TCP_V4_FLOW) {
3372 dev_info(&pf->pdev->dev, "VF %d: Invalid Flow type\n",
3377 if (mask.vlan_id & data.vlan_id) {
3378 if (ntohs(data.vlan_id) > I40E_MAX_VLANID) {
3379 dev_info(&pf->pdev->dev, "VF %d: invalid VLAN ID\n",
3385 return I40E_SUCCESS;
3387 return I40E_ERR_CONFIG;
3391 * i40e_find_vsi_from_seid - searches for the vsi with the given seid
3392 * @vf: pointer to the VF info
3393 * @seid: seid of the vsi it is searching for
3395 static struct i40e_vsi *i40e_find_vsi_from_seid(struct i40e_vf *vf, u16 seid)
3397 struct i40e_pf *pf = vf->pf;
3398 struct i40e_vsi *vsi = NULL;
3401 for (i = 0; i < vf->num_tc ; i++) {
3402 vsi = i40e_find_vsi_from_id(pf, vf->ch[i].vsi_id);
3403 if (vsi && vsi->seid == seid)
3410 * i40e_del_all_cloud_filters
3411 * @vf: pointer to the VF info
3413 * This function deletes all cloud filters
3415 static void i40e_del_all_cloud_filters(struct i40e_vf *vf)
3417 struct i40e_cloud_filter *cfilter = NULL;
3418 struct i40e_pf *pf = vf->pf;
3419 struct i40e_vsi *vsi = NULL;
3420 struct hlist_node *node;
3423 hlist_for_each_entry_safe(cfilter, node,
3424 &vf->cloud_filter_list, cloud_node) {
3425 vsi = i40e_find_vsi_from_seid(vf, cfilter->seid);
3428 dev_err(&pf->pdev->dev, "VF %d: no VSI found for matching %u seid, can't delete cloud filter\n",
3429 vf->vf_id, cfilter->seid);
3433 if (cfilter->dst_port)
3434 ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter,
3437 ret = i40e_add_del_cloud_filter(vsi, cfilter, false);
3439 dev_err(&pf->pdev->dev,
3440 "VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
3441 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3442 i40e_aq_str(&pf->hw,
3443 pf->hw.aq.asq_last_status));
3445 hlist_del(&cfilter->cloud_node);
3447 vf->num_cloud_filters--;
3452 * i40e_vc_del_cloud_filter
3453 * @vf: pointer to the VF info
3454 * @msg: pointer to the msg buffer
3456 * This function deletes a cloud filter programmed as TC filter for ADq
3458 static int i40e_vc_del_cloud_filter(struct i40e_vf *vf, u8 *msg)
3460 struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
3461 struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
3462 struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
3463 struct i40e_cloud_filter cfilter, *cf = NULL;
3464 struct i40e_pf *pf = vf->pf;
3465 struct i40e_vsi *vsi = NULL;
3466 struct hlist_node *node;
3467 i40e_status aq_ret = 0;
3470 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3471 aq_ret = I40E_ERR_PARAM;
3475 if (!vf->adq_enabled) {
3476 dev_info(&pf->pdev->dev,
3477 "VF %d: ADq not enabled, can't apply cloud filter\n",
3479 aq_ret = I40E_ERR_PARAM;
3483 if (i40e_validate_cloud_filter(vf, vcf)) {
3484 dev_info(&pf->pdev->dev,
3485 "VF %d: Invalid input, can't apply cloud filter\n",
3487 aq_ret = I40E_ERR_PARAM;
3491 memset(&cfilter, 0, sizeof(cfilter));
3492 /* parse destination mac address */
3493 for (i = 0; i < ETH_ALEN; i++)
3494 cfilter.dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
3496 /* parse source mac address */
3497 for (i = 0; i < ETH_ALEN; i++)
3498 cfilter.src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
3500 cfilter.vlan_id = mask.vlan_id & tcf.vlan_id;
3501 cfilter.dst_port = mask.dst_port & tcf.dst_port;
3502 cfilter.src_port = mask.src_port & tcf.src_port;
3504 switch (vcf->flow_type) {
3505 case VIRTCHNL_TCP_V4_FLOW:
3506 cfilter.n_proto = ETH_P_IP;
3507 if (mask.dst_ip[0] & tcf.dst_ip[0])
3508 memcpy(&cfilter.ip.v4.dst_ip, tcf.dst_ip,
3509 ARRAY_SIZE(tcf.dst_ip));
3510 else if (mask.src_ip[0] & tcf.dst_ip[0])
3511 memcpy(&cfilter.ip.v4.src_ip, tcf.src_ip,
3512 ARRAY_SIZE(tcf.dst_ip));
3514 case VIRTCHNL_TCP_V6_FLOW:
3515 cfilter.n_proto = ETH_P_IPV6;
3516 if (mask.dst_ip[3] & tcf.dst_ip[3])
3517 memcpy(&cfilter.ip.v6.dst_ip6, tcf.dst_ip,
3518 sizeof(cfilter.ip.v6.dst_ip6));
3519 if (mask.src_ip[3] & tcf.src_ip[3])
3520 memcpy(&cfilter.ip.v6.src_ip6, tcf.src_ip,
3521 sizeof(cfilter.ip.v6.src_ip6));
3524 /* TC filter can be configured based on different combinations
3525 * and in this case IP is not a part of filter config
3527 dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
3531 /* get the vsi to which the tc belongs to */
3532 vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
3533 cfilter.seid = vsi->seid;
3534 cfilter.flags = vcf->field_flags;
3536 /* Deleting TC filter */
3538 ret = i40e_add_del_cloud_filter_big_buf(vsi, &cfilter, false);
3540 ret = i40e_add_del_cloud_filter(vsi, &cfilter, false);
3542 dev_err(&pf->pdev->dev,
3543 "VF %d: Failed to delete cloud filter, err %s aq_err %s\n",
3544 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3545 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
3549 hlist_for_each_entry_safe(cf, node,
3550 &vf->cloud_filter_list, cloud_node) {
3551 if (cf->seid != cfilter.seid)
3554 if (cfilter.dst_port != cf->dst_port)
3556 if (mask.dst_mac[0])
3557 if (!ether_addr_equal(cf->src_mac, cfilter.src_mac))
3559 /* for ipv4 data to be valid, only first byte of mask is set */
3560 if (cfilter.n_proto == ETH_P_IP && mask.dst_ip[0])
3561 if (memcmp(&cfilter.ip.v4.dst_ip, &cf->ip.v4.dst_ip,
3562 ARRAY_SIZE(tcf.dst_ip)))
3564 /* for ipv6, mask is set for all sixteen bytes (4 words) */
3565 if (cfilter.n_proto == ETH_P_IPV6 && mask.dst_ip[3])
3566 if (memcmp(&cfilter.ip.v6.dst_ip6, &cf->ip.v6.dst_ip6,
3567 sizeof(cfilter.ip.v6.src_ip6)))
3570 if (cfilter.vlan_id != cf->vlan_id)
3573 hlist_del(&cf->cloud_node);
3575 vf->num_cloud_filters--;
3579 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_CLOUD_FILTER,
3584 * i40e_vc_add_cloud_filter
3585 * @vf: pointer to the VF info
3586 * @msg: pointer to the msg buffer
3588 * This function adds a cloud filter programmed as TC filter for ADq
3590 static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg)
3592 struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg;
3593 struct virtchnl_l4_spec mask = vcf->mask.tcp_spec;
3594 struct virtchnl_l4_spec tcf = vcf->data.tcp_spec;
3595 struct i40e_cloud_filter *cfilter = NULL;
3596 struct i40e_pf *pf = vf->pf;
3597 struct i40e_vsi *vsi = NULL;
3598 i40e_status aq_ret = 0;
3601 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3602 aq_ret = I40E_ERR_PARAM;
3606 if (!vf->adq_enabled) {
3607 dev_info(&pf->pdev->dev,
3608 "VF %d: ADq is not enabled, can't apply cloud filter\n",
3610 aq_ret = I40E_ERR_PARAM;
3614 if (i40e_validate_cloud_filter(vf, vcf)) {
3615 dev_info(&pf->pdev->dev,
3616 "VF %d: Invalid input/s, can't apply cloud filter\n",
3618 aq_ret = I40E_ERR_PARAM;
3622 cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL);
3626 /* parse destination mac address */
3627 for (i = 0; i < ETH_ALEN; i++)
3628 cfilter->dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i];
3630 /* parse source mac address */
3631 for (i = 0; i < ETH_ALEN; i++)
3632 cfilter->src_mac[i] = mask.src_mac[i] & tcf.src_mac[i];
3634 cfilter->vlan_id = mask.vlan_id & tcf.vlan_id;
3635 cfilter->dst_port = mask.dst_port & tcf.dst_port;
3636 cfilter->src_port = mask.src_port & tcf.src_port;
3638 switch (vcf->flow_type) {
3639 case VIRTCHNL_TCP_V4_FLOW:
3640 cfilter->n_proto = ETH_P_IP;
3641 if (mask.dst_ip[0] & tcf.dst_ip[0])
3642 memcpy(&cfilter->ip.v4.dst_ip, tcf.dst_ip,
3643 ARRAY_SIZE(tcf.dst_ip));
3644 else if (mask.src_ip[0] & tcf.dst_ip[0])
3645 memcpy(&cfilter->ip.v4.src_ip, tcf.src_ip,
3646 ARRAY_SIZE(tcf.dst_ip));
3648 case VIRTCHNL_TCP_V6_FLOW:
3649 cfilter->n_proto = ETH_P_IPV6;
3650 if (mask.dst_ip[3] & tcf.dst_ip[3])
3651 memcpy(&cfilter->ip.v6.dst_ip6, tcf.dst_ip,
3652 sizeof(cfilter->ip.v6.dst_ip6));
3653 if (mask.src_ip[3] & tcf.src_ip[3])
3654 memcpy(&cfilter->ip.v6.src_ip6, tcf.src_ip,
3655 sizeof(cfilter->ip.v6.src_ip6));
3658 /* TC filter can be configured based on different combinations
3659 * and in this case IP is not a part of filter config
3661 dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n",
3665 /* get the VSI to which the TC belongs to */
3666 vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx];
3667 cfilter->seid = vsi->seid;
3668 cfilter->flags = vcf->field_flags;
3670 /* Adding cloud filter programmed as TC filter */
3672 ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter, true);
3674 ret = i40e_add_del_cloud_filter(vsi, cfilter, true);
3676 dev_err(&pf->pdev->dev,
3677 "VF %d: Failed to add cloud filter, err %s aq_err %s\n",
3678 vf->vf_id, i40e_stat_str(&pf->hw, ret),
3679 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
3683 INIT_HLIST_NODE(&cfilter->cloud_node);
3684 hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list);
3685 /* release the pointer passing it to the collection */
3687 vf->num_cloud_filters++;
3691 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER,
3696 * i40e_vc_add_qch_msg: Add queue channel and enable ADq
3697 * @vf: pointer to the VF info
3698 * @msg: pointer to the msg buffer
3700 static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg)
3702 struct virtchnl_tc_info *tci =
3703 (struct virtchnl_tc_info *)msg;
3704 struct i40e_pf *pf = vf->pf;
3705 struct i40e_link_status *ls = &pf->hw.phy.link_info;
3706 int i, adq_request_qps = 0;
3707 i40e_status aq_ret = 0;
3710 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3711 aq_ret = I40E_ERR_PARAM;
3715 /* ADq cannot be applied if spoof check is ON */
3717 dev_err(&pf->pdev->dev,
3718 "Spoof check is ON, turn it OFF to enable ADq\n");
3719 aq_ret = I40E_ERR_PARAM;
3723 if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)) {
3724 dev_err(&pf->pdev->dev,
3725 "VF %d attempting to enable ADq, but hasn't properly negotiated that capability\n",
3727 aq_ret = I40E_ERR_PARAM;
3731 /* max number of traffic classes for VF currently capped at 4 */
3732 if (!tci->num_tc || tci->num_tc > I40E_MAX_VF_VSI) {
3733 dev_err(&pf->pdev->dev,
3734 "VF %d trying to set %u TCs, valid range 1-%u TCs per VF\n",
3735 vf->vf_id, tci->num_tc, I40E_MAX_VF_VSI);
3736 aq_ret = I40E_ERR_PARAM;
3740 /* validate queues for each TC */
3741 for (i = 0; i < tci->num_tc; i++)
3742 if (!tci->list[i].count ||
3743 tci->list[i].count > I40E_DEFAULT_QUEUES_PER_VF) {
3744 dev_err(&pf->pdev->dev,
3745 "VF %d: TC %d trying to set %u queues, valid range 1-%u queues per TC\n",
3746 vf->vf_id, i, tci->list[i].count,
3747 I40E_DEFAULT_QUEUES_PER_VF);
3748 aq_ret = I40E_ERR_PARAM;
3752 /* need Max VF queues but already have default number of queues */
3753 adq_request_qps = I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF;
3755 if (pf->queues_left < adq_request_qps) {
3756 dev_err(&pf->pdev->dev,
3757 "No queues left to allocate to VF %d\n",
3759 aq_ret = I40E_ERR_PARAM;
3762 /* we need to allocate max VF queues to enable ADq so as to
3763 * make sure ADq enabled VF always gets back queues when it
3764 * goes through a reset.
3766 vf->num_queue_pairs = I40E_MAX_VF_QUEUES;
3769 /* get link speed in MB to validate rate limit */
3770 speed = i40e_vc_link_speed2mbps(ls->link_speed);
3771 if (speed == SPEED_UNKNOWN) {
3772 dev_err(&pf->pdev->dev,
3773 "Cannot detect link speed\n");
3774 aq_ret = I40E_ERR_PARAM;
3778 /* parse data from the queue channel info */
3779 vf->num_tc = tci->num_tc;
3780 for (i = 0; i < vf->num_tc; i++) {
3781 if (tci->list[i].max_tx_rate) {
3782 if (tci->list[i].max_tx_rate > speed) {
3783 dev_err(&pf->pdev->dev,
3784 "Invalid max tx rate %llu specified for VF %d.",
3785 tci->list[i].max_tx_rate,
3787 aq_ret = I40E_ERR_PARAM;
3790 vf->ch[i].max_tx_rate =
3791 tci->list[i].max_tx_rate;
3794 vf->ch[i].num_qps = tci->list[i].count;
3797 /* set this flag only after making sure all inputs are sane */
3798 vf->adq_enabled = true;
3799 /* num_req_queues is set when user changes number of queues via ethtool
3800 * and this causes issue for default VSI(which depends on this variable)
3801 * when ADq is enabled, hence reset it.
3803 vf->num_req_queues = 0;
3805 /* reset the VF in order to allocate resources */
3806 i40e_vc_notify_vf_reset(vf);
3807 i40e_reset_vf(vf, false);
3809 return I40E_SUCCESS;
3811 /* send the response to the VF */
3813 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_CHANNELS,
3818 * i40e_vc_del_qch_msg
3819 * @vf: pointer to the VF info
3820 * @msg: pointer to the msg buffer
3822 static int i40e_vc_del_qch_msg(struct i40e_vf *vf, u8 *msg)
3824 struct i40e_pf *pf = vf->pf;
3825 i40e_status aq_ret = 0;
3827 if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
3828 aq_ret = I40E_ERR_PARAM;
3832 if (vf->adq_enabled) {
3833 i40e_del_all_cloud_filters(vf);
3835 vf->adq_enabled = false;
3837 dev_info(&pf->pdev->dev,
3838 "Deleting Queue Channels and cloud filters for ADq on VF %d\n",
3841 dev_info(&pf->pdev->dev, "VF %d trying to delete queue channels but ADq isn't enabled\n",
3843 aq_ret = I40E_ERR_PARAM;
3846 /* reset the VF in order to allocate resources */
3847 i40e_vc_notify_vf_reset(vf);
3848 i40e_reset_vf(vf, false);
3850 return I40E_SUCCESS;
3853 return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_CHANNELS,
3858 * i40e_vc_process_vf_msg
3859 * @pf: pointer to the PF structure
3860 * @vf_id: source VF id
3861 * @v_opcode: operation code
3862 * @v_retval: unused return value code
3863 * @msg: pointer to the msg buffer
3864 * @msglen: msg length
3866 * called from the common aeq/arq handler to
3867 * process request from VF
3869 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
3870 u32 __always_unused v_retval, u8 *msg, u16 msglen)
3872 struct i40e_hw *hw = &pf->hw;
3873 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
3877 pf->vf_aq_requests++;
3878 if (local_vf_id < 0 || local_vf_id >= pf->num_alloc_vfs)
3880 vf = &(pf->vf[local_vf_id]);
3882 /* Check if VF is disabled. */
3883 if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states))
3884 return I40E_ERR_PARAM;
3886 /* perform basic checks on the msg */
3887 ret = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
3890 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
3891 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
3892 local_vf_id, v_opcode, msglen);
3894 case VIRTCHNL_STATUS_ERR_PARAM:
3902 case VIRTCHNL_OP_VERSION:
3903 ret = i40e_vc_get_version_msg(vf, msg);
3905 case VIRTCHNL_OP_GET_VF_RESOURCES:
3906 ret = i40e_vc_get_vf_resources_msg(vf, msg);
3907 i40e_vc_notify_vf_link_state(vf);
3909 case VIRTCHNL_OP_RESET_VF:
3910 i40e_vc_reset_vf_msg(vf);
3913 case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
3914 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg);
3916 case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
3917 ret = i40e_vc_config_queues_msg(vf, msg);
3919 case VIRTCHNL_OP_CONFIG_IRQ_MAP:
3920 ret = i40e_vc_config_irq_map_msg(vf, msg);
3922 case VIRTCHNL_OP_ENABLE_QUEUES:
3923 ret = i40e_vc_enable_queues_msg(vf, msg);
3924 i40e_vc_notify_vf_link_state(vf);
3926 case VIRTCHNL_OP_DISABLE_QUEUES:
3927 ret = i40e_vc_disable_queues_msg(vf, msg);
3929 case VIRTCHNL_OP_ADD_ETH_ADDR:
3930 ret = i40e_vc_add_mac_addr_msg(vf, msg);
3932 case VIRTCHNL_OP_DEL_ETH_ADDR:
3933 ret = i40e_vc_del_mac_addr_msg(vf, msg);
3935 case VIRTCHNL_OP_ADD_VLAN:
3936 ret = i40e_vc_add_vlan_msg(vf, msg);
3938 case VIRTCHNL_OP_DEL_VLAN:
3939 ret = i40e_vc_remove_vlan_msg(vf, msg);
3941 case VIRTCHNL_OP_GET_STATS:
3942 ret = i40e_vc_get_stats_msg(vf, msg);
3944 case VIRTCHNL_OP_IWARP:
3945 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
3947 case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
3948 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, true);
3950 case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
3951 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, false);
3953 case VIRTCHNL_OP_CONFIG_RSS_KEY:
3954 ret = i40e_vc_config_rss_key(vf, msg);
3956 case VIRTCHNL_OP_CONFIG_RSS_LUT:
3957 ret = i40e_vc_config_rss_lut(vf, msg);
3959 case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
3960 ret = i40e_vc_get_rss_hena(vf, msg);
3962 case VIRTCHNL_OP_SET_RSS_HENA:
3963 ret = i40e_vc_set_rss_hena(vf, msg);
3965 case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
3966 ret = i40e_vc_enable_vlan_stripping(vf, msg);
3968 case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
3969 ret = i40e_vc_disable_vlan_stripping(vf, msg);
3971 case VIRTCHNL_OP_REQUEST_QUEUES:
3972 ret = i40e_vc_request_queues_msg(vf, msg);
3974 case VIRTCHNL_OP_ENABLE_CHANNELS:
3975 ret = i40e_vc_add_qch_msg(vf, msg);
3977 case VIRTCHNL_OP_DISABLE_CHANNELS:
3978 ret = i40e_vc_del_qch_msg(vf, msg);
3980 case VIRTCHNL_OP_ADD_CLOUD_FILTER:
3981 ret = i40e_vc_add_cloud_filter(vf, msg);
3983 case VIRTCHNL_OP_DEL_CLOUD_FILTER:
3984 ret = i40e_vc_del_cloud_filter(vf, msg);
3986 case VIRTCHNL_OP_UNKNOWN:
3988 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
3989 v_opcode, local_vf_id);
3990 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
3991 I40E_ERR_NOT_IMPLEMENTED);
3999 * i40e_vc_process_vflr_event
4000 * @pf: pointer to the PF structure
4002 * called from the vlfr irq handler to
4003 * free up VF resources and state variables
4005 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
4007 struct i40e_hw *hw = &pf->hw;
4008 u32 reg, reg_idx, bit_idx;
4012 if (!test_bit(__I40E_VFLR_EVENT_PENDING, pf->state))
4015 /* Re-enable the VFLR interrupt cause here, before looking for which
4016 * VF got reset. Otherwise, if another VF gets a reset while the
4017 * first one is being processed, that interrupt will be lost, and
4018 * that VF will be stuck in reset forever.
4020 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
4021 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
4022 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
4025 clear_bit(__I40E_VFLR_EVENT_PENDING, pf->state);
4026 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
4027 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
4028 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
4029 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
4030 vf = &pf->vf[vf_id];
4031 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
4032 if (reg & BIT(bit_idx))
4033 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
4034 i40e_reset_vf(vf, true);
4042 * @pf: the physical function
4043 * @vf_id: VF identifier
4045 * Check that the VF is enabled and the VSI exists.
4047 * Returns 0 on success, negative on failure
4049 static int i40e_validate_vf(struct i40e_pf *pf, int vf_id)
4051 struct i40e_vsi *vsi;
4055 if (vf_id >= pf->num_alloc_vfs) {
4056 dev_err(&pf->pdev->dev,
4057 "Invalid VF Identifier %d\n", vf_id);
4061 vf = &pf->vf[vf_id];
4062 vsi = i40e_find_vsi_from_id(pf, vf->lan_vsi_id);
4070 * i40e_ndo_set_vf_mac
4071 * @netdev: network interface device structure
4072 * @vf_id: VF identifier
4075 * program VF mac address
4077 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
4079 struct i40e_netdev_priv *np = netdev_priv(netdev);
4080 struct i40e_vsi *vsi = np->vsi;
4081 struct i40e_pf *pf = vsi->back;
4082 struct i40e_mac_filter *f;
4085 struct hlist_node *h;
4089 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4090 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4094 /* validate the request */
4095 ret = i40e_validate_vf(pf, vf_id);
4099 vf = &pf->vf[vf_id];
4101 /* When the VF is resetting wait until it is done.
4102 * It can take up to 200 milliseconds,
4103 * but wait for up to 300 milliseconds to be safe.
4104 * Acquire the VSI pointer only after the VF has been
4105 * properly initialized.
4107 for (i = 0; i < 15; i++) {
4108 if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
4112 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4113 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4118 vsi = pf->vsi[vf->lan_vsi_idx];
4120 if (is_multicast_ether_addr(mac)) {
4121 dev_err(&pf->pdev->dev,
4122 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
4127 /* Lock once because below invoked function add/del_filter requires
4128 * mac_filter_hash_lock to be held
4130 spin_lock_bh(&vsi->mac_filter_hash_lock);
4132 /* delete the temporary mac address */
4133 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
4134 i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
4136 /* Delete all the filters for this VSI - we're going to kill it
4139 hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)
4140 __i40e_del_filter(vsi, f);
4142 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4144 /* program mac filter */
4145 if (i40e_sync_vsi_filters(vsi)) {
4146 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
4150 ether_addr_copy(vf->default_lan_addr.addr, mac);
4152 if (is_zero_ether_addr(mac)) {
4153 vf->pf_set_mac = false;
4154 dev_info(&pf->pdev->dev, "Removing MAC on VF %d\n", vf_id);
4156 vf->pf_set_mac = true;
4157 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n",
4161 /* Force the VF interface down so it has to bring up with new MAC
4164 i40e_vc_disable_vf(vf);
4165 dev_info(&pf->pdev->dev, "Bring down and up the VF interface to make this change effective.\n");
4168 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4173 * i40e_vsi_has_vlans - True if VSI has configured VLANs
4174 * @vsi: pointer to the vsi
4176 * Check if a VSI has configured any VLANs. False if we have a port VLAN or if
4177 * we have no configured VLANs. Do not call while holding the
4178 * mac_filter_hash_lock.
4180 static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi)
4184 /* If we have a port VLAN, then the VSI cannot have any VLANs
4185 * configured, as all MAC/VLAN filters will be assigned to the PVID.
4190 /* Since we don't have a PVID, we know that if the device is in VLAN
4191 * mode it must be because of a VLAN filter configured on this VSI.
4193 spin_lock_bh(&vsi->mac_filter_hash_lock);
4194 have_vlans = i40e_is_vsi_in_vlan(vsi);
4195 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4201 * i40e_ndo_set_vf_port_vlan
4202 * @netdev: network interface device structure
4203 * @vf_id: VF identifier
4204 * @vlan_id: mac address
4205 * @qos: priority setting
4206 * @vlan_proto: vlan protocol
4208 * program VF vlan id and/or qos
4210 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
4211 u16 vlan_id, u8 qos, __be16 vlan_proto)
4213 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
4214 struct i40e_netdev_priv *np = netdev_priv(netdev);
4215 bool allmulti = false, alluni = false;
4216 struct i40e_pf *pf = np->vsi->back;
4217 struct i40e_vsi *vsi;
4221 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4222 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4226 /* validate the request */
4227 ret = i40e_validate_vf(pf, vf_id);
4231 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
4232 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
4237 if (vlan_proto != htons(ETH_P_8021Q)) {
4238 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
4239 ret = -EPROTONOSUPPORT;
4243 vf = &pf->vf[vf_id];
4244 vsi = pf->vsi[vf->lan_vsi_idx];
4245 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4246 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4252 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
4253 /* duplicate request, so just return success */
4256 if (i40e_vsi_has_vlans(vsi)) {
4257 dev_err(&pf->pdev->dev,
4258 "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",
4260 /* Administrator Error - knock the VF offline until he does
4261 * the right thing by reconfiguring his network correctly
4262 * and then reloading the VF driver.
4264 i40e_vc_disable_vf(vf);
4265 /* During reset the VF got a new VSI, so refresh the pointer. */
4266 vsi = pf->vsi[vf->lan_vsi_idx];
4269 /* Locked once because multiple functions below iterate list */
4270 spin_lock_bh(&vsi->mac_filter_hash_lock);
4272 /* Check for condition where there was already a port VLAN ID
4273 * filter set and now it is being deleted by setting it to zero.
4274 * Additionally check for the condition where there was a port
4275 * VLAN but now there is a new and different port VLAN being set.
4276 * Before deleting all the old VLAN filters we must add new ones
4277 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
4278 * MAC addresses deleted.
4280 if ((!(vlan_id || qos) ||
4281 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
4283 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
4285 dev_info(&vsi->back->pdev->dev,
4286 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
4287 vsi->back->hw.aq.asq_last_status);
4288 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4293 if (vsi->info.pvid) {
4294 /* remove all filters on the old VLAN */
4295 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
4299 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4301 /* disable promisc modes in case they were enabled */
4302 ret = i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id,
4305 dev_err(&pf->pdev->dev, "Unable to config VF promiscuous mode\n");
4310 ret = i40e_vsi_add_pvid(vsi, vlanprio);
4312 i40e_vsi_remove_pvid(vsi);
4313 spin_lock_bh(&vsi->mac_filter_hash_lock);
4316 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
4317 vlan_id, qos, vf_id);
4319 /* add new VLAN filter for each MAC */
4320 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
4322 dev_info(&vsi->back->pdev->dev,
4323 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
4324 vsi->back->hw.aq.asq_last_status);
4325 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4329 /* remove the previously added non-VLAN MAC filters */
4330 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
4333 spin_unlock_bh(&vsi->mac_filter_hash_lock);
4335 if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states))
4338 if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states))
4341 /* Schedule the worker thread to take care of applying changes */
4342 i40e_service_event_schedule(vsi->back);
4345 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
4349 /* The Port VLAN needs to be saved across resets the same as the
4350 * default LAN MAC address.
4352 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
4354 ret = i40e_config_vf_promiscuous_mode(vf, vsi->id, allmulti, alluni);
4356 dev_err(&pf->pdev->dev, "Unable to config vf promiscuous mode\n");
4363 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4368 * i40e_ndo_set_vf_bw
4369 * @netdev: network interface device structure
4370 * @vf_id: VF identifier
4371 * @min_tx_rate: Minimum Tx rate
4372 * @max_tx_rate: Maximum Tx rate
4374 * configure VF Tx rate
4376 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
4379 struct i40e_netdev_priv *np = netdev_priv(netdev);
4380 struct i40e_pf *pf = np->vsi->back;
4381 struct i40e_vsi *vsi;
4385 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4386 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4390 /* validate the request */
4391 ret = i40e_validate_vf(pf, vf_id);
4396 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
4397 min_tx_rate, vf_id);
4402 vf = &pf->vf[vf_id];
4403 vsi = pf->vsi[vf->lan_vsi_idx];
4404 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4405 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4411 ret = i40e_set_bw_limit(vsi, vsi->seid, max_tx_rate);
4415 vf->tx_rate = max_tx_rate;
4417 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4422 * i40e_ndo_get_vf_config
4423 * @netdev: network interface device structure
4424 * @vf_id: VF identifier
4425 * @ivi: VF configuration structure
4427 * return VF configuration
4429 int i40e_ndo_get_vf_config(struct net_device *netdev,
4430 int vf_id, struct ifla_vf_info *ivi)
4432 struct i40e_netdev_priv *np = netdev_priv(netdev);
4433 struct i40e_vsi *vsi = np->vsi;
4434 struct i40e_pf *pf = vsi->back;
4438 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4439 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4443 /* validate the request */
4444 ret = i40e_validate_vf(pf, vf_id);
4448 vf = &pf->vf[vf_id];
4449 /* first vsi is always the LAN vsi */
4450 vsi = pf->vsi[vf->lan_vsi_idx];
4458 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
4460 ivi->max_tx_rate = vf->tx_rate;
4461 ivi->min_tx_rate = 0;
4462 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
4463 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
4464 I40E_VLAN_PRIORITY_SHIFT;
4465 if (vf->link_forced == false)
4466 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
4467 else if (vf->link_up == true)
4468 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
4470 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
4471 ivi->spoofchk = vf->spoofchk;
4472 ivi->trusted = vf->trusted;
4476 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4481 * i40e_ndo_set_vf_link_state
4482 * @netdev: network interface device structure
4483 * @vf_id: VF identifier
4484 * @link: required link state
4486 * Set the link state of a specified VF, regardless of physical link state
4488 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
4490 struct i40e_netdev_priv *np = netdev_priv(netdev);
4491 struct i40e_pf *pf = np->vsi->back;
4492 struct i40e_link_status *ls = &pf->hw.phy.link_info;
4493 struct virtchnl_pf_event pfe;
4494 struct i40e_hw *hw = &pf->hw;
4499 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4500 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4504 /* validate the request */
4505 if (vf_id >= pf->num_alloc_vfs) {
4506 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4511 vf = &pf->vf[vf_id];
4512 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
4514 pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
4515 pfe.severity = PF_EVENT_SEVERITY_INFO;
4518 case IFLA_VF_LINK_STATE_AUTO:
4519 vf->link_forced = false;
4520 i40e_set_vf_link_state(vf, &pfe, ls);
4522 case IFLA_VF_LINK_STATE_ENABLE:
4523 vf->link_forced = true;
4525 i40e_set_vf_link_state(vf, &pfe, ls);
4527 case IFLA_VF_LINK_STATE_DISABLE:
4528 vf->link_forced = true;
4529 vf->link_up = false;
4530 i40e_set_vf_link_state(vf, &pfe, ls);
4536 /* Notify the VF of its new link state */
4537 i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT,
4538 0, (u8 *)&pfe, sizeof(pfe), NULL);
4541 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4546 * i40e_ndo_set_vf_spoofchk
4547 * @netdev: network interface device structure
4548 * @vf_id: VF identifier
4549 * @enable: flag to enable or disable feature
4551 * Enable or disable VF spoof checking
4553 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
4555 struct i40e_netdev_priv *np = netdev_priv(netdev);
4556 struct i40e_vsi *vsi = np->vsi;
4557 struct i40e_pf *pf = vsi->back;
4558 struct i40e_vsi_context ctxt;
4559 struct i40e_hw *hw = &pf->hw;
4563 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4564 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4568 /* validate the request */
4569 if (vf_id >= pf->num_alloc_vfs) {
4570 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4575 vf = &(pf->vf[vf_id]);
4576 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4577 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
4583 if (enable == vf->spoofchk)
4586 vf->spoofchk = enable;
4587 memset(&ctxt, 0, sizeof(ctxt));
4588 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
4589 ctxt.pf_num = pf->hw.pf_id;
4590 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
4592 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
4593 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
4594 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
4596 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
4601 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4606 * i40e_ndo_set_vf_trust
4607 * @netdev: network interface device structure of the pf
4608 * @vf_id: VF identifier
4609 * @setting: trust setting
4611 * Enable or disable VF trust setting
4613 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
4615 struct i40e_netdev_priv *np = netdev_priv(netdev);
4616 struct i40e_pf *pf = np->vsi->back;
4620 if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
4621 dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
4625 /* validate the request */
4626 if (vf_id >= pf->num_alloc_vfs) {
4627 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
4632 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
4633 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
4638 vf = &pf->vf[vf_id];
4640 if (setting == vf->trusted)
4643 vf->trusted = setting;
4644 i40e_vc_disable_vf(vf);
4645 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
4646 vf_id, setting ? "" : "un");
4648 if (vf->adq_enabled) {
4650 dev_info(&pf->pdev->dev,
4651 "VF %u no longer Trusted, deleting all cloud filters\n",
4653 i40e_del_all_cloud_filters(vf);
4658 clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
4663 * i40e_get_vf_stats - populate some stats for the VF
4664 * @netdev: the netdev of the PF
4665 * @vf_id: the host OS identifier (0-127)
4666 * @vf_stats: pointer to the OS memory to be initialized
4668 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
4669 struct ifla_vf_stats *vf_stats)
4671 struct i40e_netdev_priv *np = netdev_priv(netdev);
4672 struct i40e_pf *pf = np->vsi->back;
4673 struct i40e_eth_stats *stats;
4674 struct i40e_vsi *vsi;
4677 /* validate the request */
4678 if (i40e_validate_vf(pf, vf_id))
4681 vf = &pf->vf[vf_id];
4682 if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
4683 dev_err(&pf->pdev->dev, "VF %d in reset. Try again.\n", vf_id);
4687 vsi = pf->vsi[vf->lan_vsi_idx];
4691 i40e_update_eth_stats(vsi);
4692 stats = &vsi->eth_stats;
4694 memset(vf_stats, 0, sizeof(*vf_stats));
4696 vf_stats->rx_packets = stats->rx_unicast + stats->rx_broadcast +
4697 stats->rx_multicast;
4698 vf_stats->tx_packets = stats->tx_unicast + stats->tx_broadcast +
4699 stats->tx_multicast;
4700 vf_stats->rx_bytes = stats->rx_bytes;
4701 vf_stats->tx_bytes = stats->tx_bytes;
4702 vf_stats->broadcast = stats->rx_broadcast;
4703 vf_stats->multicast = stats->rx_multicast;
4704 vf_stats->rx_dropped = stats->rx_discards;
4705 vf_stats->tx_dropped = stats->tx_discards;