1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 ******************************************************************************/
29 /*********************notification routines***********************/
32 * i40e_vc_vf_broadcast
33 * @pf: pointer to the PF structure
34 * @opcode: operation code
35 * @retval: return value
36 * @msg: pointer to the msg buffer
39 * send a message to all VFs on a given PF
41 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
42 enum i40e_virtchnl_ops v_opcode,
43 i40e_status v_retval, u8 *msg,
46 struct i40e_hw *hw = &pf->hw;
47 struct i40e_vf *vf = pf->vf;
50 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
51 int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
52 /* Not all vfs are enabled so skip the ones that are not */
53 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
54 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
57 /* Ignore return value on purpose - a given VF may fail, but
58 * we need to keep going and send to all of them
60 i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
66 * i40e_vc_notify_vf_link_state
67 * @vf: pointer to the VF structure
69 * send a link status message to a single VF
71 static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
73 struct i40e_virtchnl_pf_event pfe;
74 struct i40e_pf *pf = vf->pf;
75 struct i40e_hw *hw = &pf->hw;
76 struct i40e_link_status *ls = &pf->hw.phy.link_info;
77 int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id;
79 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
80 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
81 if (vf->link_forced) {
82 pfe.event_data.link_event.link_status = vf->link_up;
83 pfe.event_data.link_event.link_speed =
84 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
86 pfe.event_data.link_event.link_status =
87 ls->link_info & I40E_AQ_LINK_UP;
88 pfe.event_data.link_event.link_speed = ls->link_speed;
90 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
91 0, (u8 *)&pfe, sizeof(pfe), NULL);
95 * i40e_vc_notify_link_state
96 * @pf: pointer to the PF structure
98 * send a link status message to all VFs on a given PF
100 void i40e_vc_notify_link_state(struct i40e_pf *pf)
104 for (i = 0; i < pf->num_alloc_vfs; i++)
105 i40e_vc_notify_vf_link_state(&pf->vf[i]);
109 * i40e_vc_notify_reset
110 * @pf: pointer to the PF structure
112 * indicate a pending reset to all VFs on a given PF
114 void i40e_vc_notify_reset(struct i40e_pf *pf)
116 struct i40e_virtchnl_pf_event pfe;
118 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
119 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
120 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, 0,
121 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
125 * i40e_vc_notify_vf_reset
126 * @vf: pointer to the VF structure
128 * indicate a pending reset to the given VF
130 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
132 struct i40e_virtchnl_pf_event pfe;
135 /* validate the request */
136 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
139 /* verify if the VF is in either init or active before proceeding */
140 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
141 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
144 abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id;
146 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
147 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
148 i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
150 sizeof(struct i40e_virtchnl_pf_event), NULL);
152 /***********************misc routines*****************************/
156 * @pf: pointer to the PF info
157 * @vf: pointer to the VF info
159 * Disable the VF through a SW reset
161 static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf)
163 i40e_vc_notify_vf_reset(vf);
164 i40e_reset_vf(vf, false);
168 * i40e_vc_isvalid_vsi_id
169 * @vf: pointer to the VF info
170 * @vsi_id: VF relative VSI id
172 * check for the valid VSI id
174 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
176 struct i40e_pf *pf = vf->pf;
177 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
179 return (vsi && (vsi->vf_id == vf->vf_id));
183 * i40e_vc_isvalid_queue_id
184 * @vf: pointer to the VF info
186 * @qid: vsi relative queue id
188 * check for the valid queue id
190 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
193 struct i40e_pf *pf = vf->pf;
194 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
196 return (vsi && (qid < vsi->alloc_queue_pairs));
200 * i40e_vc_isvalid_vector_id
201 * @vf: pointer to the VF info
202 * @vector_id: VF relative vector id
204 * check for the valid vector id
206 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
208 struct i40e_pf *pf = vf->pf;
210 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
213 /***********************vf resource mgmt routines*****************/
216 * i40e_vc_get_pf_queue_id
217 * @vf: pointer to the VF info
218 * @vsi_id: id of VSI as provided by the FW
219 * @vsi_queue_id: vsi relative queue id
221 * return PF relative queue id
223 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
226 struct i40e_pf *pf = vf->pf;
227 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
228 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
233 if (le16_to_cpu(vsi->info.mapping_flags) &
234 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
236 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
238 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
245 * i40e_config_irq_link_list
246 * @vf: pointer to the VF info
247 * @vsi_id: id of VSI as given by the FW
248 * @vecmap: irq map info
250 * configure irq link list from the map
252 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
253 struct i40e_virtchnl_vector_map *vecmap)
255 unsigned long linklistmap = 0, tempmap;
256 struct i40e_pf *pf = vf->pf;
257 struct i40e_hw *hw = &pf->hw;
258 u16 vsi_queue_id, pf_queue_id;
259 enum i40e_queue_type qtype;
260 u16 next_q, vector_id;
264 vector_id = vecmap->vector_id;
267 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
269 reg_idx = I40E_VPINT_LNKLSTN(
270 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
273 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
274 /* Special case - No queues mapped on this vector */
275 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
278 tempmap = vecmap->rxq_map;
279 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
280 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
284 tempmap = vecmap->txq_map;
285 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
286 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
290 next_q = find_first_bit(&linklistmap,
292 I40E_VIRTCHNL_SUPPORTED_QTYPES));
293 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
294 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
295 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
296 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
298 wr32(hw, reg_idx, reg);
300 while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
302 case I40E_QUEUE_TYPE_RX:
303 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
304 itr_idx = vecmap->rxitr_idx;
306 case I40E_QUEUE_TYPE_TX:
307 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
308 itr_idx = vecmap->txitr_idx;
314 next_q = find_next_bit(&linklistmap,
316 I40E_VIRTCHNL_SUPPORTED_QTYPES),
319 (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
320 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
321 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
322 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id,
325 pf_queue_id = I40E_QUEUE_END_OF_LIST;
329 /* format for the RQCTL & TQCTL regs is same */
331 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
332 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
333 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
334 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
335 wr32(hw, reg_idx, reg);
338 /* if the vf is running in polling mode and using interrupt zero,
339 * need to disable auto-mask on enabling zero interrupt for VFs.
341 if ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
343 reg = rd32(hw, I40E_GLINT_CTL);
344 if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
345 reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
346 wr32(hw, I40E_GLINT_CTL, reg);
355 * i40e_release_iwarp_qvlist
356 * @vf: pointer to the VF.
359 static void i40e_release_iwarp_qvlist(struct i40e_vf *vf)
361 struct i40e_pf *pf = vf->pf;
362 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info;
366 if (!vf->qvlist_info)
369 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
370 for (i = 0; i < qvlist_info->num_vectors; i++) {
371 struct i40e_virtchnl_iwarp_qv_info *qv_info;
372 u32 next_q_index, next_q_type;
373 struct i40e_hw *hw = &pf->hw;
374 u32 v_idx, reg_idx, reg;
376 qv_info = &qvlist_info->qv_info[i];
379 v_idx = qv_info->v_idx;
380 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
381 /* Figure out the queue after CEQ and make that the
384 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
385 reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx));
386 next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK)
387 >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT;
388 next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK)
389 >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT;
391 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
392 reg = (next_q_index &
393 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
395 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
397 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
400 kfree(vf->qvlist_info);
401 vf->qvlist_info = NULL;
405 * i40e_config_iwarp_qvlist
406 * @vf: pointer to the VF info
407 * @qvlist_info: queue and vector list
409 * Return 0 on success or < 0 on error
411 static int i40e_config_iwarp_qvlist(struct i40e_vf *vf,
412 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info)
414 struct i40e_pf *pf = vf->pf;
415 struct i40e_hw *hw = &pf->hw;
416 struct i40e_virtchnl_iwarp_qv_info *qv_info;
417 u32 v_idx, i, reg_idx, reg;
418 u32 next_q_idx, next_q_type;
421 size = sizeof(struct i40e_virtchnl_iwarp_qvlist_info) +
422 (sizeof(struct i40e_virtchnl_iwarp_qv_info) *
423 (qvlist_info->num_vectors - 1));
424 vf->qvlist_info = kzalloc(size, GFP_KERNEL);
425 vf->qvlist_info->num_vectors = qvlist_info->num_vectors;
427 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
428 for (i = 0; i < qvlist_info->num_vectors; i++) {
429 qv_info = &qvlist_info->qv_info[i];
432 v_idx = qv_info->v_idx;
434 /* Validate vector id belongs to this vf */
435 if (!i40e_vc_isvalid_vector_id(vf, v_idx))
438 vf->qvlist_info->qv_info[i] = *qv_info;
440 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
441 /* We might be sharing the interrupt, so get the first queue
442 * index and type, push it down the list by adding the new
443 * queue on top. Also link it with the new queue in CEQCTL.
445 reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx));
446 next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >>
447 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT);
448 next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >>
449 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
451 if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) {
452 reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx;
453 reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK |
454 (v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) |
455 (qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) |
456 (next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) |
457 (next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT));
458 wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg);
460 reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1);
461 reg = (qv_info->ceq_idx &
462 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) |
463 (I40E_QUEUE_TYPE_PE_CEQ <<
464 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
465 wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg);
468 if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
469 reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK |
470 (v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) |
471 (qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT));
473 wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg);
479 kfree(vf->qvlist_info);
480 vf->qvlist_info = NULL;
485 * i40e_config_vsi_tx_queue
486 * @vf: pointer to the VF info
487 * @vsi_id: id of VSI as provided by the FW
488 * @vsi_queue_id: vsi relative queue index
489 * @info: config. info
493 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
495 struct i40e_virtchnl_txq_info *info)
497 struct i40e_pf *pf = vf->pf;
498 struct i40e_hw *hw = &pf->hw;
499 struct i40e_hmc_obj_txq tx_ctx;
500 struct i40e_vsi *vsi;
505 if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
509 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
510 vsi = i40e_find_vsi_from_id(pf, vsi_id);
516 /* clear the context structure first */
517 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
519 /* only set the required fields */
520 tx_ctx.base = info->dma_ring_addr / 128;
521 tx_ctx.qlen = info->ring_len;
522 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
523 tx_ctx.rdylist_act = 0;
524 tx_ctx.head_wb_ena = info->headwb_enabled;
525 tx_ctx.head_wb_addr = info->dma_headwb_addr;
527 /* clear the context in the HMC */
528 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
530 dev_err(&pf->pdev->dev,
531 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
537 /* set the context in the HMC */
538 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
540 dev_err(&pf->pdev->dev,
541 "Failed to set VF LAN Tx queue context %d error: %d\n",
547 /* associate this queue with the PCI VF function */
548 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
549 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
550 & I40E_QTX_CTL_PF_INDX_MASK);
551 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
552 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
553 & I40E_QTX_CTL_VFVM_INDX_MASK);
554 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
562 * i40e_config_vsi_rx_queue
563 * @vf: pointer to the VF info
564 * @vsi_id: id of VSI as provided by the FW
565 * @vsi_queue_id: vsi relative queue index
566 * @info: config. info
570 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
572 struct i40e_virtchnl_rxq_info *info)
574 struct i40e_pf *pf = vf->pf;
575 struct i40e_hw *hw = &pf->hw;
576 struct i40e_hmc_obj_rxq rx_ctx;
580 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
582 /* clear the context structure first */
583 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
585 /* only set the required fields */
586 rx_ctx.base = info->dma_ring_addr / 128;
587 rx_ctx.qlen = info->ring_len;
589 if (info->splithdr_enabled) {
590 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
592 I40E_RX_SPLIT_TCP_UDP |
594 /* header length validation */
595 if (info->hdr_size > ((2 * 1024) - 64)) {
599 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
601 /* set split mode 10b */
602 rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
605 /* databuffer length validation */
606 if (info->databuffer_size > ((16 * 1024) - 128)) {
610 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
612 /* max pkt. length validation */
613 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
617 rx_ctx.rxmax = info->max_pkt_size;
619 /* enable 32bytes desc always */
623 rx_ctx.lrxqthresh = 2;
628 /* clear the context in the HMC */
629 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
631 dev_err(&pf->pdev->dev,
632 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
638 /* set the context in the HMC */
639 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
641 dev_err(&pf->pdev->dev,
642 "Failed to set VF LAN Rx queue context %d error: %d\n",
654 * @vf: pointer to the VF info
655 * @type: type of VSI to allocate
657 * alloc VF vsi context & resources
659 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
661 struct i40e_mac_filter *f = NULL;
662 struct i40e_pf *pf = vf->pf;
663 struct i40e_vsi *vsi;
666 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
669 dev_err(&pf->pdev->dev,
670 "add vsi failed for VF %d, aq_err %d\n",
671 vf->vf_id, pf->hw.aq.asq_last_status);
673 goto error_alloc_vsi_res;
675 if (type == I40E_VSI_SRIOV) {
676 u64 hena = i40e_pf_get_default_rss_hena(pf);
677 u8 broadcast[ETH_ALEN];
679 vf->lan_vsi_idx = vsi->idx;
680 vf->lan_vsi_id = vsi->id;
681 /* If the port VLAN has been configured and then the
682 * VF driver was removed then the VSI port VLAN
683 * configuration was destroyed. Check if there is
684 * a port VLAN and restore the VSI configuration if
687 if (vf->port_vlan_id)
688 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
690 spin_lock_bh(&vsi->mac_filter_hash_lock);
691 if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
692 f = i40e_add_mac_filter(vsi,
693 vf->default_lan_addr.addr);
695 dev_info(&pf->pdev->dev,
696 "Could not add MAC filter %pM for VF %d\n",
697 vf->default_lan_addr.addr, vf->vf_id);
699 eth_broadcast_addr(broadcast);
700 f = i40e_add_mac_filter(vsi, broadcast);
702 dev_info(&pf->pdev->dev,
703 "Could not allocate VF broadcast filter\n");
704 spin_unlock_bh(&vsi->mac_filter_hash_lock);
705 wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena);
706 wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32));
709 /* program mac filter */
710 ret = i40e_sync_vsi_filters(vsi);
712 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
714 /* Set VF bandwidth if specified */
716 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
717 vf->tx_rate / 50, 0, NULL);
719 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
728 * i40e_enable_vf_mappings
729 * @vf: pointer to the VF info
733 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
735 struct i40e_pf *pf = vf->pf;
736 struct i40e_hw *hw = &pf->hw;
737 u32 reg, total_queue_pairs = 0;
740 /* Tell the hardware we're using noncontiguous mapping. HW requires
741 * that VF queues be mapped using this method, even when they are
742 * contiguous in real life
744 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
745 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
747 /* enable VF vplan_qtable mappings */
748 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
749 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
751 /* map PF queues to VF queues */
752 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
753 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
755 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
756 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
760 /* map PF queues to VSI */
761 for (j = 0; j < 7; j++) {
762 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
763 reg = 0x07FF07FF; /* unused */
765 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
768 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
772 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
780 * i40e_disable_vf_mappings
781 * @vf: pointer to the VF info
783 * disable VF mappings
785 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
787 struct i40e_pf *pf = vf->pf;
788 struct i40e_hw *hw = &pf->hw;
791 /* disable qp mappings */
792 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
793 for (i = 0; i < I40E_MAX_VSI_QP; i++)
794 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
795 I40E_QUEUE_END_OF_LIST);
801 * @vf: pointer to the VF info
805 static void i40e_free_vf_res(struct i40e_vf *vf)
807 struct i40e_pf *pf = vf->pf;
808 struct i40e_hw *hw = &pf->hw;
812 /* Start by disabling VF's configuration API to prevent the OS from
813 * accessing the VF's VSI after it's freed / invalidated.
815 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
817 /* free vsi & disconnect it from the parent uplink */
818 if (vf->lan_vsi_idx) {
819 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
824 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
826 /* disable interrupts so the VF starts in a known state */
827 for (i = 0; i < msix_vf; i++) {
828 /* format is same for both registers */
830 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
832 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
835 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
839 /* clear the irq settings */
840 for (i = 0; i < msix_vf; i++) {
841 /* format is same for both registers */
843 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
845 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
848 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
849 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
850 wr32(hw, reg_idx, reg);
853 /* reset some of the state variables keeping track of the resources */
854 vf->num_queue_pairs = 0;
860 * @vf: pointer to the VF info
862 * allocate VF resources
864 static int i40e_alloc_vf_res(struct i40e_vf *vf)
866 struct i40e_pf *pf = vf->pf;
867 int total_queue_pairs = 0;
870 /* allocate hw vsi context & associated resources */
871 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
874 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
877 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
879 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
881 /* store the total qps number for the runtime
884 vf->num_queue_pairs = total_queue_pairs;
886 /* VF is now completely initialized */
887 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
891 i40e_free_vf_res(vf);
896 #define VF_DEVICE_STATUS 0xAA
897 #define VF_TRANS_PENDING_MASK 0x20
899 * i40e_quiesce_vf_pci
900 * @vf: pointer to the VF structure
902 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
903 * if the transactions never clear.
905 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
907 struct i40e_pf *pf = vf->pf;
908 struct i40e_hw *hw = &pf->hw;
912 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
914 wr32(hw, I40E_PF_PCI_CIAA,
915 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
916 for (i = 0; i < 100; i++) {
917 reg = rd32(hw, I40E_PF_PCI_CIAD);
918 if ((reg & VF_TRANS_PENDING_MASK) == 0)
927 * @vf: pointer to the VF structure
928 * @flr: VFLR was issued or not
932 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
934 struct i40e_pf *pf = vf->pf;
935 struct i40e_hw *hw = &pf->hw;
936 u32 reg, reg_idx, bit_idx;
940 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
944 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
946 /* Disable VF's configuration API during reset. The flag is re-enabled
947 * in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
948 * It's normally disabled in i40e_free_vf_res(), but it's safer
949 * to do it earlier to give some time to finish to any VF config
950 * functions that may still be running at this point.
952 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
954 /* In the case of a VFLR, the HW has already reset the VF and we
955 * just need to clean up, so don't hit the VFRTRIG register.
958 /* reset VF using VPGEN_VFRTRIG reg */
959 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
960 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
961 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
964 /* clear the VFLR bit in GLGEN_VFLRSTAT */
965 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
966 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
967 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
970 if (i40e_quiesce_vf_pci(vf))
971 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
974 /* poll VPGEN_VFRSTAT reg to make sure
975 * that reset is complete
977 for (i = 0; i < 10; i++) {
978 /* VF reset requires driver to first reset the VF and then
979 * poll the status register to make sure that the reset
980 * completed successfully. Due to internal HW FIFO flushes,
981 * we must wait 10ms before the register will be valid.
983 usleep_range(10000, 20000);
984 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
985 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
992 usleep_range(10000, 20000);
995 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
998 /* On initial reset, we won't have any queues */
999 if (vf->lan_vsi_idx == 0)
1000 goto complete_reset;
1002 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1004 /* free VF resources to begin resetting the VSI state */
1005 i40e_free_vf_res(vf);
1007 /* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg.
1008 * By doing this we allow HW to access VF memory at any point. If we
1009 * did it any sooner, HW could access memory while it was being freed
1010 * in i40e_free_vf_res(), causing an IOMMU fault.
1012 * On the other hand, this needs to be done ASAP, because the VF driver
1013 * is waiting for this to happen and may report a timeout. It's
1014 * harmless, but it gets logged into Guest OS kernel log, so best avoid
1017 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
1018 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
1019 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
1021 /* reallocate VF resources to finish resetting the VSI state */
1022 if (!i40e_alloc_vf_res(vf)) {
1023 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1024 i40e_enable_vf_mappings(vf);
1025 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1026 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1027 /* Do not notify the client during VF init */
1028 if (vf->pf->num_alloc_vfs)
1029 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1033 /* Tell the VF driver the reset is done. This needs to be done only
1034 * after VF has been fully initialized, because the VF driver may
1035 * request resources immediately after setting this flag.
1037 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
1040 clear_bit(__I40E_VF_DISABLE, &pf->state);
1045 * @pf: pointer to the PF structure
1049 void i40e_free_vfs(struct i40e_pf *pf)
1051 struct i40e_hw *hw = &pf->hw;
1052 u32 reg_idx, bit_idx;
1057 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1058 usleep_range(1000, 2000);
1060 i40e_notify_client_of_vf_enable(pf, 0);
1061 for (i = 0; i < pf->num_alloc_vfs; i++)
1062 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1063 i40e_vsi_stop_rings(pf->vsi[pf->vf[i].lan_vsi_idx]);
1065 /* Disable IOV before freeing resources. This lets any VF drivers
1066 * running in the host get themselves cleaned up before we yank
1067 * the carpet out from underneath their feet.
1069 if (!pci_vfs_assigned(pf->pdev))
1070 pci_disable_sriov(pf->pdev);
1072 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1074 msleep(20); /* let any messages in transit get finished up */
1076 /* free up VF resources */
1077 tmp = pf->num_alloc_vfs;
1078 pf->num_alloc_vfs = 0;
1079 for (i = 0; i < tmp; i++) {
1080 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1081 i40e_free_vf_res(&pf->vf[i]);
1082 /* disable qp mappings */
1083 i40e_disable_vf_mappings(&pf->vf[i]);
1089 /* This check is for when the driver is unloaded while VFs are
1090 * assigned. Setting the number of VFs to 0 through sysfs is caught
1091 * before this function ever gets called.
1093 if (!pci_vfs_assigned(pf->pdev)) {
1094 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1095 * work correctly when SR-IOV gets re-enabled.
1097 for (vf_id = 0; vf_id < tmp; vf_id++) {
1098 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1099 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1100 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1103 clear_bit(__I40E_VF_DISABLE, &pf->state);
1106 #ifdef CONFIG_PCI_IOV
1109 * @pf: pointer to the PF structure
1110 * @num_alloc_vfs: number of VFs to allocate
1112 * allocate VF resources
1114 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1116 struct i40e_vf *vfs;
1119 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1120 i40e_irq_dynamic_disable_icr0(pf);
1122 /* Check to see if we're just allocating resources for extant VFs */
1123 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1124 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1126 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1127 pf->num_alloc_vfs = 0;
1131 /* allocate memory */
1132 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1139 /* apply default profile */
1140 for (i = 0; i < num_alloc_vfs; i++) {
1142 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1145 /* assign default capabilities */
1146 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1147 vfs[i].spoofchk = true;
1148 /* VF resources get allocated during reset */
1149 i40e_reset_vf(&vfs[i], false);
1152 pf->num_alloc_vfs = num_alloc_vfs;
1154 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1160 /* Re-enable interrupt 0. */
1161 i40e_irq_dynamic_enable_icr0(pf, false);
1167 * i40e_pci_sriov_enable
1168 * @pdev: pointer to a pci_dev structure
1169 * @num_vfs: number of VFs to allocate
1171 * Enable or change the number of VFs
1173 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1175 #ifdef CONFIG_PCI_IOV
1176 struct i40e_pf *pf = pci_get_drvdata(pdev);
1177 int pre_existing_vfs = pci_num_vf(pdev);
1180 if (test_bit(__I40E_TESTING, &pf->state)) {
1181 dev_warn(&pdev->dev,
1182 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1187 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1189 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1192 if (num_vfs > pf->num_req_vfs) {
1193 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1194 num_vfs, pf->num_req_vfs);
1199 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1200 err = i40e_alloc_vfs(pf, num_vfs);
1202 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1216 * i40e_pci_sriov_configure
1217 * @pdev: pointer to a pci_dev structure
1218 * @num_vfs: number of VFs to allocate
1220 * Enable or change the number of VFs. Called when the user updates the number
1223 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1225 struct i40e_pf *pf = pci_get_drvdata(pdev);
1228 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1229 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1230 i40e_do_reset_safe(pf,
1231 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1233 return i40e_pci_sriov_enable(pdev, num_vfs);
1236 if (!pci_vfs_assigned(pf->pdev)) {
1238 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1239 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1241 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1247 /***********************virtual channel routines******************/
1250 * i40e_vc_send_msg_to_vf
1251 * @vf: pointer to the VF info
1252 * @v_opcode: virtual channel opcode
1253 * @v_retval: virtual channel return value
1254 * @msg: pointer to the msg buffer
1255 * @msglen: msg length
1259 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1260 u32 v_retval, u8 *msg, u16 msglen)
1267 /* validate the request */
1268 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1273 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1275 /* single place to detect unsuccessful return values */
1277 vf->num_invalid_msgs++;
1278 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1279 vf->vf_id, v_opcode, v_retval);
1280 if (vf->num_invalid_msgs >
1281 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1282 dev_err(&pf->pdev->dev,
1283 "Number of invalid messages exceeded for VF %d\n",
1285 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1286 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1289 vf->num_valid_msgs++;
1290 /* reset the invalid counter, if a valid message is received. */
1291 vf->num_invalid_msgs = 0;
1294 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1297 dev_info(&pf->pdev->dev,
1298 "Unable to send the message to VF %d aq_err %d\n",
1299 vf->vf_id, pf->hw.aq.asq_last_status);
1307 * i40e_vc_send_resp_to_vf
1308 * @vf: pointer to the VF info
1309 * @opcode: operation code
1310 * @retval: return value
1312 * send resp msg to VF
1314 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1315 enum i40e_virtchnl_ops opcode,
1318 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1322 * i40e_vc_get_version_msg
1323 * @vf: pointer to the VF info
1325 * called from the VF to request the API version used by the PF
1327 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1329 struct i40e_virtchnl_version_info info = {
1330 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1333 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1334 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1336 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1337 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1338 I40E_SUCCESS, (u8 *)&info,
1340 i40e_virtchnl_version_info));
1344 * i40e_vc_get_vf_resources_msg
1345 * @vf: pointer to the VF info
1346 * @msg: pointer to the msg buffer
1347 * @msglen: msg length
1349 * called from the VF to request its resources
1351 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1353 struct i40e_virtchnl_vf_resource *vfres = NULL;
1354 struct i40e_pf *pf = vf->pf;
1355 i40e_status aq_ret = 0;
1356 struct i40e_vsi *vsi;
1361 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1362 aq_ret = I40E_ERR_PARAM;
1366 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1367 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1369 vfres = kzalloc(len, GFP_KERNEL);
1371 aq_ret = I40E_ERR_NO_MEMORY;
1376 vf->driver_caps = *(u32 *)msg;
1378 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1379 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1380 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1382 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1383 vsi = pf->vsi[vf->lan_vsi_idx];
1384 if (!vsi->info.pvid)
1385 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1387 if (i40e_vf_client_capable(pf, vf->vf_id) &&
1388 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1389 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1390 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1393 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1394 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1396 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1397 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1398 vfres->vf_offload_flags |=
1399 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1401 vfres->vf_offload_flags |=
1402 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1405 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1406 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1407 vfres->vf_offload_flags |=
1408 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1411 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_ENCAP)
1412 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_ENCAP;
1414 if ((pf->flags & I40E_FLAG_OUTER_UDP_CSUM_CAPABLE) &&
1415 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM))
1416 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
1418 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1419 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1420 dev_err(&pf->pdev->dev,
1421 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1423 ret = I40E_ERR_PARAM;
1426 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1429 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1430 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1431 vfres->vf_offload_flags |=
1432 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1435 vfres->num_vsis = num_vsis;
1436 vfres->num_queue_pairs = vf->num_queue_pairs;
1437 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1438 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1439 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1441 if (vf->lan_vsi_idx) {
1442 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1443 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1444 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1445 /* VFs only use TC 0 */
1446 vfres->vsi_res[0].qset_handle
1447 = le16_to_cpu(vsi->info.qs_handle[0]);
1448 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1449 vf->default_lan_addr.addr);
1451 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1454 /* send the response back to the VF */
1455 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1456 aq_ret, (u8 *)vfres, len);
1463 * i40e_vc_reset_vf_msg
1464 * @vf: pointer to the VF info
1465 * @msg: pointer to the msg buffer
1466 * @msglen: msg length
1468 * called from the VF to reset itself,
1469 * unlike other virtchnl messages, PF driver
1470 * doesn't send the response back to the VF
1472 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1474 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1475 i40e_reset_vf(vf, false);
1479 * i40e_getnum_vf_vsi_vlan_filters
1480 * @vsi: pointer to the vsi
1482 * called to get the number of VLANs offloaded on this VF
1484 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1486 struct i40e_mac_filter *f;
1487 int num_vlans = 0, bkt;
1489 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1490 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1498 * i40e_vc_config_promiscuous_mode_msg
1499 * @vf: pointer to the VF info
1500 * @msg: pointer to the msg buffer
1501 * @msglen: msg length
1503 * called from the VF to configure the promiscuous mode of
1506 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1507 u8 *msg, u16 msglen)
1509 struct i40e_virtchnl_promisc_info *info =
1510 (struct i40e_virtchnl_promisc_info *)msg;
1511 struct i40e_pf *pf = vf->pf;
1512 struct i40e_hw *hw = &pf->hw;
1513 struct i40e_mac_filter *f;
1514 i40e_status aq_ret = 0;
1515 bool allmulti = false;
1516 struct i40e_vsi *vsi;
1517 bool alluni = false;
1521 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1522 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1523 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1525 aq_ret = I40E_ERR_PARAM;
1528 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1529 dev_err(&pf->pdev->dev,
1530 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1532 /* Lie to the VF on purpose. */
1536 /* Multicast promiscuous handling*/
1537 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1540 if (vf->port_vlan_id) {
1541 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1545 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1546 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1547 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1549 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1554 aq_err = pf->hw.aq.asq_last_status;
1556 dev_err(&pf->pdev->dev,
1557 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1559 i40e_stat_str(&pf->hw, aq_ret),
1560 i40e_aq_str(&pf->hw, aq_err));
1565 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1567 aq_err = pf->hw.aq.asq_last_status;
1569 dev_err(&pf->pdev->dev,
1570 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1572 i40e_stat_str(&pf->hw, aq_ret),
1573 i40e_aq_str(&pf->hw, aq_err));
1579 dev_info(&pf->pdev->dev,
1580 "VF %d successfully set multicast promiscuous mode\n",
1583 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1585 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1588 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1590 if (vf->port_vlan_id) {
1591 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1595 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1596 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1598 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1600 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1605 aq_err = pf->hw.aq.asq_last_status;
1608 dev_err(&pf->pdev->dev,
1609 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1611 i40e_stat_str(&pf->hw, aq_ret),
1612 i40e_aq_str(&pf->hw, aq_err));
1615 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1618 aq_err = pf->hw.aq.asq_last_status;
1620 dev_err(&pf->pdev->dev,
1621 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1622 vf->vf_id, info->flags,
1623 i40e_stat_str(&pf->hw, aq_ret),
1624 i40e_aq_str(&pf->hw, aq_err));
1630 dev_info(&pf->pdev->dev,
1631 "VF %d successfully set unicast promiscuous mode\n",
1634 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1636 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1640 /* send the response to the VF */
1641 return i40e_vc_send_resp_to_vf(vf,
1642 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1647 * i40e_vc_config_queues_msg
1648 * @vf: pointer to the VF info
1649 * @msg: pointer to the msg buffer
1650 * @msglen: msg length
1652 * called from the VF to configure the rx/tx
1655 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1657 struct i40e_virtchnl_vsi_queue_config_info *qci =
1658 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1659 struct i40e_virtchnl_queue_pair_info *qpi;
1660 struct i40e_pf *pf = vf->pf;
1661 u16 vsi_id, vsi_queue_id;
1662 i40e_status aq_ret = 0;
1665 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1666 aq_ret = I40E_ERR_PARAM;
1670 vsi_id = qci->vsi_id;
1671 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1672 aq_ret = I40E_ERR_PARAM;
1675 for (i = 0; i < qci->num_queue_pairs; i++) {
1676 qpi = &qci->qpair[i];
1677 vsi_queue_id = qpi->txq.queue_id;
1678 if ((qpi->txq.vsi_id != vsi_id) ||
1679 (qpi->rxq.vsi_id != vsi_id) ||
1680 (qpi->rxq.queue_id != vsi_queue_id) ||
1681 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1682 aq_ret = I40E_ERR_PARAM;
1686 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1688 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1690 aq_ret = I40E_ERR_PARAM;
1694 /* set vsi num_queue_pairs in use to num configured by VF */
1695 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1698 /* send the response to the VF */
1699 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1704 * i40e_vc_config_irq_map_msg
1705 * @vf: pointer to the VF info
1706 * @msg: pointer to the msg buffer
1707 * @msglen: msg length
1709 * called from the VF to configure the irq to
1712 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1714 struct i40e_virtchnl_irq_map_info *irqmap_info =
1715 (struct i40e_virtchnl_irq_map_info *)msg;
1716 struct i40e_virtchnl_vector_map *map;
1717 u16 vsi_id, vsi_queue_id, vector_id;
1718 i40e_status aq_ret = 0;
1719 unsigned long tempmap;
1722 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1723 aq_ret = I40E_ERR_PARAM;
1727 for (i = 0; i < irqmap_info->num_vectors; i++) {
1728 map = &irqmap_info->vecmap[i];
1730 vector_id = map->vector_id;
1731 vsi_id = map->vsi_id;
1732 /* validate msg params */
1733 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1734 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1735 aq_ret = I40E_ERR_PARAM;
1739 /* lookout for the invalid queue index */
1740 tempmap = map->rxq_map;
1741 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1742 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1744 aq_ret = I40E_ERR_PARAM;
1749 tempmap = map->txq_map;
1750 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1751 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1753 aq_ret = I40E_ERR_PARAM;
1758 i40e_config_irq_link_list(vf, vsi_id, map);
1761 /* send the response to the VF */
1762 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1767 * i40e_vc_enable_queues_msg
1768 * @vf: pointer to the VF info
1769 * @msg: pointer to the msg buffer
1770 * @msglen: msg length
1772 * called from the VF to enable all or specific queue(s)
1774 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1776 struct i40e_virtchnl_queue_select *vqs =
1777 (struct i40e_virtchnl_queue_select *)msg;
1778 struct i40e_pf *pf = vf->pf;
1779 u16 vsi_id = vqs->vsi_id;
1780 i40e_status aq_ret = 0;
1782 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1783 aq_ret = I40E_ERR_PARAM;
1787 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1788 aq_ret = I40E_ERR_PARAM;
1792 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1793 aq_ret = I40E_ERR_PARAM;
1797 if (i40e_vsi_start_rings(pf->vsi[vf->lan_vsi_idx]))
1798 aq_ret = I40E_ERR_TIMEOUT;
1800 /* send the response to the VF */
1801 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1806 * i40e_vc_disable_queues_msg
1807 * @vf: pointer to the VF info
1808 * @msg: pointer to the msg buffer
1809 * @msglen: msg length
1811 * called from the VF to disable all or specific
1814 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1816 struct i40e_virtchnl_queue_select *vqs =
1817 (struct i40e_virtchnl_queue_select *)msg;
1818 struct i40e_pf *pf = vf->pf;
1819 i40e_status aq_ret = 0;
1821 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1822 aq_ret = I40E_ERR_PARAM;
1826 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1827 aq_ret = I40E_ERR_PARAM;
1831 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1832 aq_ret = I40E_ERR_PARAM;
1836 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1839 /* send the response to the VF */
1840 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1845 * i40e_vc_get_stats_msg
1846 * @vf: pointer to the VF info
1847 * @msg: pointer to the msg buffer
1848 * @msglen: msg length
1850 * called from the VF to get vsi stats
1852 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1854 struct i40e_virtchnl_queue_select *vqs =
1855 (struct i40e_virtchnl_queue_select *)msg;
1856 struct i40e_pf *pf = vf->pf;
1857 struct i40e_eth_stats stats;
1858 i40e_status aq_ret = 0;
1859 struct i40e_vsi *vsi;
1861 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1863 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1864 aq_ret = I40E_ERR_PARAM;
1868 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1869 aq_ret = I40E_ERR_PARAM;
1873 vsi = pf->vsi[vf->lan_vsi_idx];
1875 aq_ret = I40E_ERR_PARAM;
1878 i40e_update_eth_stats(vsi);
1879 stats = vsi->eth_stats;
1882 /* send the response back to the VF */
1883 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1884 (u8 *)&stats, sizeof(stats));
1887 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1888 #define I40E_VC_MAX_MAC_ADDR_PER_VF 12
1889 #define I40E_VC_MAX_VLAN_PER_VF 8
1892 * i40e_check_vf_permission
1893 * @vf: pointer to the VF info
1894 * @macaddr: pointer to the MAC Address being checked
1896 * Check if the VF has permission to add or delete unicast MAC address
1897 * filters and return error code -EPERM if not. Then check if the
1898 * address filter requested is broadcast or zero and if so return
1899 * an invalid MAC address error code.
1901 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1903 struct i40e_pf *pf = vf->pf;
1906 if (is_broadcast_ether_addr(macaddr) ||
1907 is_zero_ether_addr(macaddr)) {
1908 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1909 ret = I40E_ERR_INVALID_MAC_ADDR;
1910 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1911 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1912 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1913 /* If the host VMM administrator has set the VF MAC address
1914 * administratively via the ndo_set_vf_mac command then deny
1915 * permission to the VF to add or delete unicast MAC addresses.
1916 * Unless the VF is privileged and then it can do whatever.
1917 * The VF may request to set the MAC address filter already
1918 * assigned to it so do not return an error in that case.
1920 dev_err(&pf->pdev->dev,
1921 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1923 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1924 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1925 dev_err(&pf->pdev->dev,
1926 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1933 * i40e_vc_add_mac_addr_msg
1934 * @vf: pointer to the VF info
1935 * @msg: pointer to the msg buffer
1936 * @msglen: msg length
1938 * add guest mac address filter
1940 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1942 struct i40e_virtchnl_ether_addr_list *al =
1943 (struct i40e_virtchnl_ether_addr_list *)msg;
1944 struct i40e_pf *pf = vf->pf;
1945 struct i40e_vsi *vsi = NULL;
1946 u16 vsi_id = al->vsi_id;
1947 i40e_status ret = 0;
1950 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1951 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1952 ret = I40E_ERR_PARAM;
1956 for (i = 0; i < al->num_elements; i++) {
1957 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1961 vsi = pf->vsi[vf->lan_vsi_idx];
1963 /* Lock once, because all function inside for loop accesses VSI's
1964 * MAC filter list which needs to be protected using same lock.
1966 spin_lock_bh(&vsi->mac_filter_hash_lock);
1968 /* add new addresses to the list */
1969 for (i = 0; i < al->num_elements; i++) {
1970 struct i40e_mac_filter *f;
1972 f = i40e_find_mac(vsi, al->list[i].addr);
1974 f = i40e_add_mac_filter(vsi, al->list[i].addr);
1977 dev_err(&pf->pdev->dev,
1978 "Unable to add MAC filter %pM for VF %d\n",
1979 al->list[i].addr, vf->vf_id);
1980 ret = I40E_ERR_PARAM;
1981 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1987 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1989 /* program the updated filter list */
1990 ret = i40e_sync_vsi_filters(vsi);
1992 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1996 /* send the response to the VF */
1997 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
2002 * i40e_vc_del_mac_addr_msg
2003 * @vf: pointer to the VF info
2004 * @msg: pointer to the msg buffer
2005 * @msglen: msg length
2007 * remove guest mac address filter
2009 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2011 struct i40e_virtchnl_ether_addr_list *al =
2012 (struct i40e_virtchnl_ether_addr_list *)msg;
2013 struct i40e_pf *pf = vf->pf;
2014 struct i40e_vsi *vsi = NULL;
2015 u16 vsi_id = al->vsi_id;
2016 i40e_status ret = 0;
2019 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2020 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2021 ret = I40E_ERR_PARAM;
2025 for (i = 0; i < al->num_elements; i++) {
2026 if (is_broadcast_ether_addr(al->list[i].addr) ||
2027 is_zero_ether_addr(al->list[i].addr)) {
2028 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
2029 al->list[i].addr, vf->vf_id);
2030 ret = I40E_ERR_INVALID_MAC_ADDR;
2034 vsi = pf->vsi[vf->lan_vsi_idx];
2036 spin_lock_bh(&vsi->mac_filter_hash_lock);
2037 /* delete addresses from the list */
2038 for (i = 0; i < al->num_elements; i++)
2039 if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
2040 ret = I40E_ERR_INVALID_MAC_ADDR;
2041 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2047 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2049 /* program the updated filter list */
2050 ret = i40e_sync_vsi_filters(vsi);
2052 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2056 /* send the response to the VF */
2057 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2062 * i40e_vc_add_vlan_msg
2063 * @vf: pointer to the VF info
2064 * @msg: pointer to the msg buffer
2065 * @msglen: msg length
2067 * program guest vlan id
2069 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2071 struct i40e_virtchnl_vlan_filter_list *vfl =
2072 (struct i40e_virtchnl_vlan_filter_list *)msg;
2073 struct i40e_pf *pf = vf->pf;
2074 struct i40e_vsi *vsi = NULL;
2075 u16 vsi_id = vfl->vsi_id;
2076 i40e_status aq_ret = 0;
2079 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2080 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2081 dev_err(&pf->pdev->dev,
2082 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2085 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2086 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2087 aq_ret = I40E_ERR_PARAM;
2091 for (i = 0; i < vfl->num_elements; i++) {
2092 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2093 aq_ret = I40E_ERR_PARAM;
2094 dev_err(&pf->pdev->dev,
2095 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2099 vsi = pf->vsi[vf->lan_vsi_idx];
2100 if (vsi->info.pvid) {
2101 aq_ret = I40E_ERR_PARAM;
2105 i40e_vlan_stripping_enable(vsi);
2106 for (i = 0; i < vfl->num_elements; i++) {
2107 /* add new VLAN filter */
2108 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2112 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2113 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2117 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2118 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2124 dev_err(&pf->pdev->dev,
2125 "Unable to add VLAN filter %d for VF %d, error %d\n",
2126 vfl->vlan_id[i], vf->vf_id, ret);
2130 /* send the response to the VF */
2131 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2135 * i40e_vc_remove_vlan_msg
2136 * @vf: pointer to the VF info
2137 * @msg: pointer to the msg buffer
2138 * @msglen: msg length
2140 * remove programmed guest vlan id
2142 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2144 struct i40e_virtchnl_vlan_filter_list *vfl =
2145 (struct i40e_virtchnl_vlan_filter_list *)msg;
2146 struct i40e_pf *pf = vf->pf;
2147 struct i40e_vsi *vsi = NULL;
2148 u16 vsi_id = vfl->vsi_id;
2149 i40e_status aq_ret = 0;
2152 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2153 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2154 aq_ret = I40E_ERR_PARAM;
2158 for (i = 0; i < vfl->num_elements; i++) {
2159 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2160 aq_ret = I40E_ERR_PARAM;
2165 vsi = pf->vsi[vf->lan_vsi_idx];
2166 if (vsi->info.pvid) {
2167 aq_ret = I40E_ERR_PARAM;
2171 for (i = 0; i < vfl->num_elements; i++) {
2172 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2175 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2176 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2180 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2181 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2188 /* send the response to the VF */
2189 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2194 * @vf: pointer to the VF info
2195 * @msg: pointer to the msg buffer
2196 * @msglen: msg length
2198 * called from the VF for the iwarp msgs
2200 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2202 struct i40e_pf *pf = vf->pf;
2203 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2204 i40e_status aq_ret = 0;
2206 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2207 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2208 aq_ret = I40E_ERR_PARAM;
2212 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2216 /* send the response to the VF */
2217 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2222 * i40e_vc_iwarp_qvmap_msg
2223 * @vf: pointer to the VF info
2224 * @msg: pointer to the msg buffer
2225 * @msglen: msg length
2226 * @config: config qvmap or release it
2228 * called from the VF for the iwarp msgs
2230 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2233 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2234 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2235 i40e_status aq_ret = 0;
2237 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2238 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2239 aq_ret = I40E_ERR_PARAM;
2244 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2245 aq_ret = I40E_ERR_PARAM;
2247 i40e_release_iwarp_qvlist(vf);
2251 /* send the response to the VF */
2252 return i40e_vc_send_resp_to_vf(vf,
2253 config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2254 I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2259 * i40e_vc_config_rss_key
2260 * @vf: pointer to the VF info
2261 * @msg: pointer to the msg buffer
2262 * @msglen: msg length
2264 * Configure the VF's RSS key
2266 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2268 struct i40e_virtchnl_rss_key *vrk =
2269 (struct i40e_virtchnl_rss_key *)msg;
2270 struct i40e_pf *pf = vf->pf;
2271 struct i40e_vsi *vsi = NULL;
2272 u16 vsi_id = vrk->vsi_id;
2273 i40e_status aq_ret = 0;
2275 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2276 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2277 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2278 aq_ret = I40E_ERR_PARAM;
2282 vsi = pf->vsi[vf->lan_vsi_idx];
2283 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2285 /* send the response to the VF */
2286 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2291 * i40e_vc_config_rss_lut
2292 * @vf: pointer to the VF info
2293 * @msg: pointer to the msg buffer
2294 * @msglen: msg length
2296 * Configure the VF's RSS LUT
2298 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2300 struct i40e_virtchnl_rss_lut *vrl =
2301 (struct i40e_virtchnl_rss_lut *)msg;
2302 struct i40e_pf *pf = vf->pf;
2303 struct i40e_vsi *vsi = NULL;
2304 u16 vsi_id = vrl->vsi_id;
2305 i40e_status aq_ret = 0;
2307 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2308 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2309 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2310 aq_ret = I40E_ERR_PARAM;
2314 vsi = pf->vsi[vf->lan_vsi_idx];
2315 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2316 /* send the response to the VF */
2318 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2323 * i40e_vc_get_rss_hena
2324 * @vf: pointer to the VF info
2325 * @msg: pointer to the msg buffer
2326 * @msglen: msg length
2328 * Return the RSS HENA bits allowed by the hardware
2330 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2332 struct i40e_virtchnl_rss_hena *vrh = NULL;
2333 struct i40e_pf *pf = vf->pf;
2334 i40e_status aq_ret = 0;
2337 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2338 aq_ret = I40E_ERR_PARAM;
2341 len = sizeof(struct i40e_virtchnl_rss_hena);
2343 vrh = kzalloc(len, GFP_KERNEL);
2345 aq_ret = I40E_ERR_NO_MEMORY;
2349 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2351 /* send the response back to the VF */
2352 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2353 aq_ret, (u8 *)vrh, len);
2359 * i40e_vc_set_rss_hena
2360 * @vf: pointer to the VF info
2361 * @msg: pointer to the msg buffer
2362 * @msglen: msg length
2364 * Set the RSS HENA bits for the VF
2366 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2368 struct i40e_virtchnl_rss_hena *vrh =
2369 (struct i40e_virtchnl_rss_hena *)msg;
2370 struct i40e_pf *pf = vf->pf;
2371 struct i40e_hw *hw = &pf->hw;
2372 i40e_status aq_ret = 0;
2374 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2375 aq_ret = I40E_ERR_PARAM;
2378 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2379 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2380 (u32)(vrh->hena >> 32));
2382 /* send the response to the VF */
2384 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2389 * i40e_vc_validate_vf_msg
2390 * @vf: pointer to the VF info
2391 * @msg: pointer to the msg buffer
2392 * @msglen: msg length
2393 * @msghndl: msg handle
2397 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2398 u32 v_retval, u8 *msg, u16 msglen)
2400 bool err_msg_format = false;
2403 /* Check if VF is disabled. */
2404 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2405 return I40E_ERR_PARAM;
2407 /* Validate message length. */
2409 case I40E_VIRTCHNL_OP_VERSION:
2410 valid_len = sizeof(struct i40e_virtchnl_version_info);
2412 case I40E_VIRTCHNL_OP_RESET_VF:
2414 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2416 valid_len = sizeof(u32);
2418 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2419 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2421 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2422 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2424 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2425 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2426 if (msglen >= valid_len) {
2427 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2428 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2429 valid_len += (vqc->num_queue_pairs *
2431 i40e_virtchnl_queue_pair_info));
2432 if (vqc->num_queue_pairs == 0)
2433 err_msg_format = true;
2436 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2437 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2438 if (msglen >= valid_len) {
2439 struct i40e_virtchnl_irq_map_info *vimi =
2440 (struct i40e_virtchnl_irq_map_info *)msg;
2441 valid_len += (vimi->num_vectors *
2442 sizeof(struct i40e_virtchnl_vector_map));
2443 if (vimi->num_vectors == 0)
2444 err_msg_format = true;
2447 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2448 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2449 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2451 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2452 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2453 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2454 if (msglen >= valid_len) {
2455 struct i40e_virtchnl_ether_addr_list *veal =
2456 (struct i40e_virtchnl_ether_addr_list *)msg;
2457 valid_len += veal->num_elements *
2458 sizeof(struct i40e_virtchnl_ether_addr);
2459 if (veal->num_elements == 0)
2460 err_msg_format = true;
2463 case I40E_VIRTCHNL_OP_ADD_VLAN:
2464 case I40E_VIRTCHNL_OP_DEL_VLAN:
2465 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2466 if (msglen >= valid_len) {
2467 struct i40e_virtchnl_vlan_filter_list *vfl =
2468 (struct i40e_virtchnl_vlan_filter_list *)msg;
2469 valid_len += vfl->num_elements * sizeof(u16);
2470 if (vfl->num_elements == 0)
2471 err_msg_format = true;
2474 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2475 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2477 case I40E_VIRTCHNL_OP_GET_STATS:
2478 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2480 case I40E_VIRTCHNL_OP_IWARP:
2481 /* These messages are opaque to us and will be validated in
2482 * the RDMA client code. We just need to check for nonzero
2483 * length. The firmware will enforce max length restrictions.
2488 err_msg_format = true;
2490 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2493 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2494 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2495 if (msglen >= valid_len) {
2496 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2497 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2498 if (qv->num_vectors == 0) {
2499 err_msg_format = true;
2502 valid_len += ((qv->num_vectors - 1) *
2503 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2506 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2507 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2508 if (msglen >= valid_len) {
2509 struct i40e_virtchnl_rss_key *vrk =
2510 (struct i40e_virtchnl_rss_key *)msg;
2511 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2512 err_msg_format = true;
2515 valid_len += vrk->key_len - 1;
2518 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2519 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2520 if (msglen >= valid_len) {
2521 struct i40e_virtchnl_rss_lut *vrl =
2522 (struct i40e_virtchnl_rss_lut *)msg;
2523 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2524 err_msg_format = true;
2527 valid_len += vrl->lut_entries - 1;
2530 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2532 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2533 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2535 /* These are always errors coming from the VF. */
2536 case I40E_VIRTCHNL_OP_EVENT:
2537 case I40E_VIRTCHNL_OP_UNKNOWN:
2541 /* few more checks */
2542 if ((valid_len != msglen) || (err_msg_format)) {
2543 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2551 * i40e_vc_process_vf_msg
2552 * @pf: pointer to the PF structure
2553 * @vf_id: source VF id
2554 * @msg: pointer to the msg buffer
2555 * @msglen: msg length
2556 * @msghndl: msg handle
2558 * called from the common aeq/arq handler to
2559 * process request from VF
2561 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2562 u32 v_retval, u8 *msg, u16 msglen)
2564 struct i40e_hw *hw = &pf->hw;
2565 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2569 pf->vf_aq_requests++;
2570 if (local_vf_id >= pf->num_alloc_vfs)
2572 vf = &(pf->vf[local_vf_id]);
2573 /* perform basic checks on the msg */
2574 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2577 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2578 local_vf_id, v_opcode, msglen);
2583 case I40E_VIRTCHNL_OP_VERSION:
2584 ret = i40e_vc_get_version_msg(vf, msg);
2586 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2587 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2589 case I40E_VIRTCHNL_OP_RESET_VF:
2590 i40e_vc_reset_vf_msg(vf);
2593 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2594 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2596 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2597 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2599 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2600 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2602 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2603 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2604 i40e_vc_notify_vf_link_state(vf);
2606 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2607 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2609 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2610 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2612 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2613 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2615 case I40E_VIRTCHNL_OP_ADD_VLAN:
2616 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2618 case I40E_VIRTCHNL_OP_DEL_VLAN:
2619 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2621 case I40E_VIRTCHNL_OP_GET_STATS:
2622 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2624 case I40E_VIRTCHNL_OP_IWARP:
2625 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2627 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2628 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2630 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2631 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2633 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2634 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2636 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2637 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2639 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2640 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2642 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2643 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2646 case I40E_VIRTCHNL_OP_UNKNOWN:
2648 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2649 v_opcode, local_vf_id);
2650 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2651 I40E_ERR_NOT_IMPLEMENTED);
2659 * i40e_vc_process_vflr_event
2660 * @pf: pointer to the PF structure
2662 * called from the vlfr irq handler to
2663 * free up VF resources and state variables
2665 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2667 struct i40e_hw *hw = &pf->hw;
2668 u32 reg, reg_idx, bit_idx;
2672 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2675 /* Re-enable the VFLR interrupt cause here, before looking for which
2676 * VF got reset. Otherwise, if another VF gets a reset while the
2677 * first one is being processed, that interrupt will be lost, and
2678 * that VF will be stuck in reset forever.
2680 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2681 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2682 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2685 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2686 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2687 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2688 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2689 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2690 vf = &pf->vf[vf_id];
2691 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2692 if (reg & BIT(bit_idx))
2693 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2694 i40e_reset_vf(vf, true);
2701 * i40e_ndo_set_vf_mac
2702 * @netdev: network interface device structure
2703 * @vf_id: VF identifier
2706 * program VF mac address
2708 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2710 struct i40e_netdev_priv *np = netdev_priv(netdev);
2711 struct i40e_vsi *vsi = np->vsi;
2712 struct i40e_pf *pf = vsi->back;
2713 struct i40e_mac_filter *f;
2718 /* validate the request */
2719 if (vf_id >= pf->num_alloc_vfs) {
2720 dev_err(&pf->pdev->dev,
2721 "Invalid VF Identifier %d\n", vf_id);
2726 vf = &(pf->vf[vf_id]);
2727 vsi = pf->vsi[vf->lan_vsi_idx];
2728 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2729 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2735 if (is_multicast_ether_addr(mac)) {
2736 dev_err(&pf->pdev->dev,
2737 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2742 /* Lock once because below invoked function add/del_filter requires
2743 * mac_filter_hash_lock to be held
2745 spin_lock_bh(&vsi->mac_filter_hash_lock);
2747 /* delete the temporary mac address */
2748 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2749 i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
2751 /* Delete all the filters for this VSI - we're going to kill it
2754 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
2755 __i40e_del_filter(vsi, f);
2757 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2759 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2760 /* program mac filter */
2761 if (i40e_sync_vsi_filters(vsi)) {
2762 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2766 ether_addr_copy(vf->default_lan_addr.addr, mac);
2767 vf->pf_set_mac = true;
2768 /* Force the VF driver stop so it has to reload with new MAC address */
2769 i40e_vc_disable_vf(pf, vf);
2770 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2777 * i40e_ndo_set_vf_port_vlan
2778 * @netdev: network interface device structure
2779 * @vf_id: VF identifier
2780 * @vlan_id: mac address
2781 * @qos: priority setting
2782 * @vlan_proto: vlan protocol
2784 * program VF vlan id and/or qos
2786 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
2787 u16 vlan_id, u8 qos, __be16 vlan_proto)
2789 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2790 struct i40e_netdev_priv *np = netdev_priv(netdev);
2791 struct i40e_pf *pf = np->vsi->back;
2792 struct i40e_vsi *vsi;
2796 /* validate the request */
2797 if (vf_id >= pf->num_alloc_vfs) {
2798 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2803 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2804 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2809 if (vlan_proto != htons(ETH_P_8021Q)) {
2810 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
2811 ret = -EPROTONOSUPPORT;
2815 vf = &(pf->vf[vf_id]);
2816 vsi = pf->vsi[vf->lan_vsi_idx];
2817 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2818 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2824 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2825 /* duplicate request, so just return success */
2828 /* Locked once because multiple functions below iterate list */
2829 spin_lock_bh(&vsi->mac_filter_hash_lock);
2831 if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) {
2832 dev_err(&pf->pdev->dev,
2833 "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",
2835 /* Administrator Error - knock the VF offline until he does
2836 * the right thing by reconfiguring his network correctly
2837 * and then reloading the VF driver.
2839 i40e_vc_disable_vf(pf, vf);
2840 /* During reset the VF got a new VSI, so refresh the pointer. */
2841 vsi = pf->vsi[vf->lan_vsi_idx];
2844 /* Check for condition where there was already a port VLAN ID
2845 * filter set and now it is being deleted by setting it to zero.
2846 * Additionally check for the condition where there was a port
2847 * VLAN but now there is a new and different port VLAN being set.
2848 * Before deleting all the old VLAN filters we must add new ones
2849 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2850 * MAC addresses deleted.
2852 if ((!(vlan_id || qos) ||
2853 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2855 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
2857 dev_info(&vsi->back->pdev->dev,
2858 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2859 vsi->back->hw.aq.asq_last_status);
2860 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2865 if (vsi->info.pvid) {
2866 /* remove all filters on the old VLAN */
2867 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
2872 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2874 i40e_vsi_remove_pvid(vsi);
2877 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2878 vlan_id, qos, vf_id);
2880 /* add new VLAN filter for each MAC */
2881 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
2883 dev_info(&vsi->back->pdev->dev,
2884 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2885 vsi->back->hw.aq.asq_last_status);
2886 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2890 /* remove the previously added non-VLAN MAC filters */
2891 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
2894 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2896 /* Schedule the worker thread to take care of applying changes */
2897 i40e_service_event_schedule(vsi->back);
2900 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2904 /* The Port VLAN needs to be saved across resets the same as the
2905 * default LAN MAC address.
2907 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2914 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2915 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2917 * i40e_ndo_set_vf_bw
2918 * @netdev: network interface device structure
2919 * @vf_id: VF identifier
2922 * configure VF Tx rate
2924 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2927 struct i40e_netdev_priv *np = netdev_priv(netdev);
2928 struct i40e_pf *pf = np->vsi->back;
2929 struct i40e_vsi *vsi;
2934 /* validate the request */
2935 if (vf_id >= pf->num_alloc_vfs) {
2936 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2942 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2943 min_tx_rate, vf_id);
2947 vf = &(pf->vf[vf_id]);
2948 vsi = pf->vsi[vf->lan_vsi_idx];
2949 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2950 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2956 switch (pf->hw.phy.link_info.link_speed) {
2957 case I40E_LINK_SPEED_40GB:
2960 case I40E_LINK_SPEED_25GB:
2963 case I40E_LINK_SPEED_20GB:
2966 case I40E_LINK_SPEED_10GB:
2969 case I40E_LINK_SPEED_1GB:
2976 if (max_tx_rate > speed) {
2977 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.\n",
2978 max_tx_rate, vf->vf_id);
2983 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2984 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2988 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2989 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2990 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2991 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2993 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2998 vf->tx_rate = max_tx_rate;
3004 * i40e_ndo_get_vf_config
3005 * @netdev: network interface device structure
3006 * @vf_id: VF identifier
3007 * @ivi: VF configuration structure
3009 * return VF configuration
3011 int i40e_ndo_get_vf_config(struct net_device *netdev,
3012 int vf_id, struct ifla_vf_info *ivi)
3014 struct i40e_netdev_priv *np = netdev_priv(netdev);
3015 struct i40e_vsi *vsi = np->vsi;
3016 struct i40e_pf *pf = vsi->back;
3020 /* validate the request */
3021 if (vf_id >= pf->num_alloc_vfs) {
3022 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3027 vf = &(pf->vf[vf_id]);
3028 /* first vsi is always the LAN vsi */
3029 vsi = pf->vsi[vf->lan_vsi_idx];
3030 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3031 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3039 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
3041 ivi->max_tx_rate = vf->tx_rate;
3042 ivi->min_tx_rate = 0;
3043 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
3044 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
3045 I40E_VLAN_PRIORITY_SHIFT;
3046 if (vf->link_forced == false)
3047 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
3048 else if (vf->link_up == true)
3049 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
3051 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
3052 ivi->spoofchk = vf->spoofchk;
3053 ivi->trusted = vf->trusted;
3061 * i40e_ndo_set_vf_link_state
3062 * @netdev: network interface device structure
3063 * @vf_id: VF identifier
3064 * @link: required link state
3066 * Set the link state of a specified VF, regardless of physical link state
3068 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
3070 struct i40e_netdev_priv *np = netdev_priv(netdev);
3071 struct i40e_pf *pf = np->vsi->back;
3072 struct i40e_virtchnl_pf_event pfe;
3073 struct i40e_hw *hw = &pf->hw;
3078 /* validate the request */
3079 if (vf_id >= pf->num_alloc_vfs) {
3080 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3085 vf = &pf->vf[vf_id];
3086 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
3088 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
3089 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
3092 case IFLA_VF_LINK_STATE_AUTO:
3093 vf->link_forced = false;
3094 pfe.event_data.link_event.link_status =
3095 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
3096 pfe.event_data.link_event.link_speed =
3097 pf->hw.phy.link_info.link_speed;
3099 case IFLA_VF_LINK_STATE_ENABLE:
3100 vf->link_forced = true;
3102 pfe.event_data.link_event.link_status = true;
3103 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
3105 case IFLA_VF_LINK_STATE_DISABLE:
3106 vf->link_forced = true;
3107 vf->link_up = false;
3108 pfe.event_data.link_event.link_status = false;
3109 pfe.event_data.link_event.link_speed = 0;
3115 /* Notify the VF of its new link state */
3116 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
3117 0, (u8 *)&pfe, sizeof(pfe), NULL);
3124 * i40e_ndo_set_vf_spoofchk
3125 * @netdev: network interface device structure
3126 * @vf_id: VF identifier
3127 * @enable: flag to enable or disable feature
3129 * Enable or disable VF spoof checking
3131 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
3133 struct i40e_netdev_priv *np = netdev_priv(netdev);
3134 struct i40e_vsi *vsi = np->vsi;
3135 struct i40e_pf *pf = vsi->back;
3136 struct i40e_vsi_context ctxt;
3137 struct i40e_hw *hw = &pf->hw;
3141 /* validate the request */
3142 if (vf_id >= pf->num_alloc_vfs) {
3143 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3148 vf = &(pf->vf[vf_id]);
3149 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3150 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3156 if (enable == vf->spoofchk)
3159 vf->spoofchk = enable;
3160 memset(&ctxt, 0, sizeof(ctxt));
3161 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
3162 ctxt.pf_num = pf->hw.pf_id;
3163 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
3165 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
3166 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
3167 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
3169 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
3178 * i40e_ndo_set_vf_trust
3179 * @netdev: network interface device structure of the pf
3180 * @vf_id: VF identifier
3181 * @setting: trust setting
3183 * Enable or disable VF trust setting
3185 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
3187 struct i40e_netdev_priv *np = netdev_priv(netdev);
3188 struct i40e_pf *pf = np->vsi->back;
3192 /* validate the request */
3193 if (vf_id >= pf->num_alloc_vfs) {
3194 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3198 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3199 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
3203 vf = &pf->vf[vf_id];
3207 if (setting == vf->trusted)
3210 vf->trusted = setting;
3211 i40e_vc_notify_vf_reset(vf);
3212 i40e_reset_vf(vf, false);
3213 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
3214 vf_id, setting ? "" : "un");