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);
678 vf->lan_vsi_idx = vsi->idx;
679 vf->lan_vsi_id = vsi->id;
680 /* If the port VLAN has been configured and then the
681 * VF driver was removed then the VSI port VLAN
682 * configuration was destroyed. Check if there is
683 * a port VLAN and restore the VSI configuration if
686 if (vf->port_vlan_id)
687 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
689 spin_lock_bh(&vsi->mac_filter_list_lock);
690 if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
691 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
692 vf->port_vlan_id ? vf->port_vlan_id : -1,
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 spin_unlock_bh(&vsi->mac_filter_list_lock);
700 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id),
702 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id),
706 /* program mac filter */
707 ret = i40e_sync_vsi_filters(vsi);
709 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
711 /* Set VF bandwidth if specified */
713 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
714 vf->tx_rate / 50, 0, NULL);
716 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
725 * i40e_enable_vf_mappings
726 * @vf: pointer to the VF info
730 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
732 struct i40e_pf *pf = vf->pf;
733 struct i40e_hw *hw = &pf->hw;
734 u32 reg, total_queue_pairs = 0;
737 /* Tell the hardware we're using noncontiguous mapping. HW requires
738 * that VF queues be mapped using this method, even when they are
739 * contiguous in real life
741 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
742 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
744 /* enable VF vplan_qtable mappings */
745 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
746 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
748 /* map PF queues to VF queues */
749 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
750 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
752 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
753 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
757 /* map PF queues to VSI */
758 for (j = 0; j < 7; j++) {
759 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
760 reg = 0x07FF07FF; /* unused */
762 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
765 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
769 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
777 * i40e_disable_vf_mappings
778 * @vf: pointer to the VF info
780 * disable VF mappings
782 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
784 struct i40e_pf *pf = vf->pf;
785 struct i40e_hw *hw = &pf->hw;
788 /* disable qp mappings */
789 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
790 for (i = 0; i < I40E_MAX_VSI_QP; i++)
791 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
792 I40E_QUEUE_END_OF_LIST);
798 * @vf: pointer to the VF info
802 static void i40e_free_vf_res(struct i40e_vf *vf)
804 struct i40e_pf *pf = vf->pf;
805 struct i40e_hw *hw = &pf->hw;
809 /* free vsi & disconnect it from the parent uplink */
810 if (vf->lan_vsi_idx) {
811 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
815 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
817 /* disable interrupts so the VF starts in a known state */
818 for (i = 0; i < msix_vf; i++) {
819 /* format is same for both registers */
821 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
823 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
826 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
830 /* clear the irq settings */
831 for (i = 0; i < msix_vf; i++) {
832 /* format is same for both registers */
834 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
836 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
839 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
840 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
841 wr32(hw, reg_idx, reg);
844 /* reset some of the state varibles keeping
845 * track of the resources
847 vf->num_queue_pairs = 0;
849 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
854 * @vf: pointer to the VF info
856 * allocate VF resources
858 static int i40e_alloc_vf_res(struct i40e_vf *vf)
860 struct i40e_pf *pf = vf->pf;
861 int total_queue_pairs = 0;
864 /* allocate hw vsi context & associated resources */
865 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
868 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
871 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
873 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
875 /* store the total qps number for the runtime
878 vf->num_queue_pairs = total_queue_pairs;
880 /* VF is now completely initialized */
881 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
885 i40e_free_vf_res(vf);
890 #define VF_DEVICE_STATUS 0xAA
891 #define VF_TRANS_PENDING_MASK 0x20
893 * i40e_quiesce_vf_pci
894 * @vf: pointer to the VF structure
896 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
897 * if the transactions never clear.
899 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
901 struct i40e_pf *pf = vf->pf;
902 struct i40e_hw *hw = &pf->hw;
906 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
908 wr32(hw, I40E_PF_PCI_CIAA,
909 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
910 for (i = 0; i < 100; i++) {
911 reg = rd32(hw, I40E_PF_PCI_CIAD);
912 if ((reg & VF_TRANS_PENDING_MASK) == 0)
921 * @vf: pointer to the VF structure
922 * @flr: VFLR was issued or not
926 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
928 struct i40e_pf *pf = vf->pf;
929 struct i40e_hw *hw = &pf->hw;
930 u32 reg, reg_idx, bit_idx;
934 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
938 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
940 /* In the case of a VFLR, the HW has already reset the VF and we
941 * just need to clean up, so don't hit the VFRTRIG register.
944 /* reset VF using VPGEN_VFRTRIG reg */
945 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
946 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
947 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
950 /* clear the VFLR bit in GLGEN_VFLRSTAT */
951 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
952 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
953 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
956 if (i40e_quiesce_vf_pci(vf))
957 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
960 /* poll VPGEN_VFRSTAT reg to make sure
961 * that reset is complete
963 for (i = 0; i < 10; i++) {
964 /* VF reset requires driver to first reset the VF and then
965 * poll the status register to make sure that the reset
966 * completed successfully. Due to internal HW FIFO flushes,
967 * we must wait 10ms before the register will be valid.
969 usleep_range(10000, 20000);
970 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
971 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
978 usleep_range(10000, 20000);
981 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
983 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
984 /* clear the reset bit in the VPGEN_VFRTRIG reg */
985 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
986 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
987 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
989 /* On initial reset, we won't have any queues */
990 if (vf->lan_vsi_idx == 0)
993 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false);
995 /* reallocate VF resources to reset the VSI state */
996 i40e_free_vf_res(vf);
997 if (!i40e_alloc_vf_res(vf)) {
998 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
999 i40e_enable_vf_mappings(vf);
1000 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1001 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1002 /* Do not notify the client during VF init */
1003 if (vf->pf->num_alloc_vfs)
1004 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1007 /* tell the VF the reset is done */
1008 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
1011 clear_bit(__I40E_VF_DISABLE, &pf->state);
1016 * @pf: pointer to the PF structure
1020 void i40e_free_vfs(struct i40e_pf *pf)
1022 struct i40e_hw *hw = &pf->hw;
1023 u32 reg_idx, bit_idx;
1028 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1029 usleep_range(1000, 2000);
1031 i40e_notify_client_of_vf_enable(pf, 0);
1032 for (i = 0; i < pf->num_alloc_vfs; i++)
1033 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1034 i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx],
1037 /* Disable IOV before freeing resources. This lets any VF drivers
1038 * running in the host get themselves cleaned up before we yank
1039 * the carpet out from underneath their feet.
1041 if (!pci_vfs_assigned(pf->pdev))
1042 pci_disable_sriov(pf->pdev);
1044 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1046 msleep(20); /* let any messages in transit get finished up */
1048 /* free up VF resources */
1049 tmp = pf->num_alloc_vfs;
1050 pf->num_alloc_vfs = 0;
1051 for (i = 0; i < tmp; i++) {
1052 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1053 i40e_free_vf_res(&pf->vf[i]);
1054 /* disable qp mappings */
1055 i40e_disable_vf_mappings(&pf->vf[i]);
1061 /* This check is for when the driver is unloaded while VFs are
1062 * assigned. Setting the number of VFs to 0 through sysfs is caught
1063 * before this function ever gets called.
1065 if (!pci_vfs_assigned(pf->pdev)) {
1066 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1067 * work correctly when SR-IOV gets re-enabled.
1069 for (vf_id = 0; vf_id < tmp; vf_id++) {
1070 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1071 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1072 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1075 clear_bit(__I40E_VF_DISABLE, &pf->state);
1078 #ifdef CONFIG_PCI_IOV
1081 * @pf: pointer to the PF structure
1082 * @num_alloc_vfs: number of VFs to allocate
1084 * allocate VF resources
1086 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1088 struct i40e_vf *vfs;
1091 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1092 i40e_irq_dynamic_disable_icr0(pf);
1094 /* Check to see if we're just allocating resources for extant VFs */
1095 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1096 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1098 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1099 pf->num_alloc_vfs = 0;
1103 /* allocate memory */
1104 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1111 /* apply default profile */
1112 for (i = 0; i < num_alloc_vfs; i++) {
1114 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1117 /* assign default capabilities */
1118 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1119 vfs[i].spoofchk = true;
1120 /* VF resources get allocated during reset */
1121 i40e_reset_vf(&vfs[i], false);
1124 pf->num_alloc_vfs = num_alloc_vfs;
1126 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1132 /* Re-enable interrupt 0. */
1133 i40e_irq_dynamic_enable_icr0(pf, false);
1139 * i40e_pci_sriov_enable
1140 * @pdev: pointer to a pci_dev structure
1141 * @num_vfs: number of VFs to allocate
1143 * Enable or change the number of VFs
1145 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1147 #ifdef CONFIG_PCI_IOV
1148 struct i40e_pf *pf = pci_get_drvdata(pdev);
1149 int pre_existing_vfs = pci_num_vf(pdev);
1152 if (test_bit(__I40E_TESTING, &pf->state)) {
1153 dev_warn(&pdev->dev,
1154 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1159 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1161 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1164 if (num_vfs > pf->num_req_vfs) {
1165 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1166 num_vfs, pf->num_req_vfs);
1171 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1172 err = i40e_alloc_vfs(pf, num_vfs);
1174 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1188 * i40e_pci_sriov_configure
1189 * @pdev: pointer to a pci_dev structure
1190 * @num_vfs: number of VFs to allocate
1192 * Enable or change the number of VFs. Called when the user updates the number
1195 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1197 struct i40e_pf *pf = pci_get_drvdata(pdev);
1200 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1201 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1202 i40e_do_reset_safe(pf,
1203 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1205 return i40e_pci_sriov_enable(pdev, num_vfs);
1208 if (!pci_vfs_assigned(pf->pdev)) {
1210 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1211 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1213 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1219 /***********************virtual channel routines******************/
1222 * i40e_vc_send_msg_to_vf
1223 * @vf: pointer to the VF info
1224 * @v_opcode: virtual channel opcode
1225 * @v_retval: virtual channel return value
1226 * @msg: pointer to the msg buffer
1227 * @msglen: msg length
1231 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1232 u32 v_retval, u8 *msg, u16 msglen)
1239 /* validate the request */
1240 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1245 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1247 /* single place to detect unsuccessful return values */
1249 vf->num_invalid_msgs++;
1250 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1251 vf->vf_id, v_opcode, v_retval);
1252 if (vf->num_invalid_msgs >
1253 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1254 dev_err(&pf->pdev->dev,
1255 "Number of invalid messages exceeded for VF %d\n",
1257 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1258 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1261 vf->num_valid_msgs++;
1262 /* reset the invalid counter, if a valid message is received. */
1263 vf->num_invalid_msgs = 0;
1266 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1269 dev_info(&pf->pdev->dev,
1270 "Unable to send the message to VF %d aq_err %d\n",
1271 vf->vf_id, pf->hw.aq.asq_last_status);
1279 * i40e_vc_send_resp_to_vf
1280 * @vf: pointer to the VF info
1281 * @opcode: operation code
1282 * @retval: return value
1284 * send resp msg to VF
1286 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1287 enum i40e_virtchnl_ops opcode,
1290 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1294 * i40e_vc_get_version_msg
1295 * @vf: pointer to the VF info
1297 * called from the VF to request the API version used by the PF
1299 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1301 struct i40e_virtchnl_version_info info = {
1302 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1305 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1306 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1308 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1309 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1310 I40E_SUCCESS, (u8 *)&info,
1312 i40e_virtchnl_version_info));
1316 * i40e_vc_get_vf_resources_msg
1317 * @vf: pointer to the VF info
1318 * @msg: pointer to the msg buffer
1319 * @msglen: msg length
1321 * called from the VF to request its resources
1323 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1325 struct i40e_virtchnl_vf_resource *vfres = NULL;
1326 struct i40e_pf *pf = vf->pf;
1327 i40e_status aq_ret = 0;
1328 struct i40e_vsi *vsi;
1333 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1334 aq_ret = I40E_ERR_PARAM;
1338 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1339 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1341 vfres = kzalloc(len, GFP_KERNEL);
1343 aq_ret = I40E_ERR_NO_MEMORY;
1348 vf->driver_caps = *(u32 *)msg;
1350 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1351 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1352 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1354 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1355 vsi = pf->vsi[vf->lan_vsi_idx];
1356 if (!vsi->info.pvid)
1357 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1359 if (i40e_vf_client_capable(pf, vf->vf_id, I40E_CLIENT_IWARP) &&
1360 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1361 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1362 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1365 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1366 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1368 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1369 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1370 vfres->vf_offload_flags |=
1371 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1373 vfres->vf_offload_flags |=
1374 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1377 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1378 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1379 vfres->vf_offload_flags |=
1380 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1383 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1384 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1385 dev_err(&pf->pdev->dev,
1386 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1388 ret = I40E_ERR_PARAM;
1391 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1394 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1395 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1396 vfres->vf_offload_flags |=
1397 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1400 vfres->num_vsis = num_vsis;
1401 vfres->num_queue_pairs = vf->num_queue_pairs;
1402 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1403 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1404 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1406 if (vf->lan_vsi_idx) {
1407 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1408 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1409 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1410 /* VFs only use TC 0 */
1411 vfres->vsi_res[0].qset_handle
1412 = le16_to_cpu(vsi->info.qs_handle[0]);
1413 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1414 vf->default_lan_addr.addr);
1416 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1419 /* send the response back to the VF */
1420 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1421 aq_ret, (u8 *)vfres, len);
1428 * i40e_vc_reset_vf_msg
1429 * @vf: pointer to the VF info
1430 * @msg: pointer to the msg buffer
1431 * @msglen: msg length
1433 * called from the VF to reset itself,
1434 * unlike other virtchnl messages, PF driver
1435 * doesn't send the response back to the VF
1437 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1439 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1440 i40e_reset_vf(vf, false);
1444 * i40e_getnum_vf_vsi_vlan_filters
1445 * @vsi: pointer to the vsi
1447 * called to get the number of VLANs offloaded on this VF
1449 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1451 struct i40e_mac_filter *f;
1454 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1455 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1463 * i40e_vc_config_promiscuous_mode_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 configure the promiscuous mode of
1471 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1472 u8 *msg, u16 msglen)
1474 struct i40e_virtchnl_promisc_info *info =
1475 (struct i40e_virtchnl_promisc_info *)msg;
1476 struct i40e_pf *pf = vf->pf;
1477 struct i40e_hw *hw = &pf->hw;
1478 struct i40e_mac_filter *f;
1479 i40e_status aq_ret = 0;
1480 bool allmulti = false;
1481 struct i40e_vsi *vsi;
1482 bool alluni = false;
1485 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1486 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1487 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1489 aq_ret = I40E_ERR_PARAM;
1492 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1493 dev_err(&pf->pdev->dev,
1494 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1496 /* Lie to the VF on purpose. */
1500 /* Multicast promiscuous handling*/
1501 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1504 if (vf->port_vlan_id) {
1505 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1509 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1510 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1511 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1513 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1518 aq_err = pf->hw.aq.asq_last_status;
1520 dev_err(&pf->pdev->dev,
1521 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1523 i40e_stat_str(&pf->hw, aq_ret),
1524 i40e_aq_str(&pf->hw, aq_err));
1529 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1531 aq_err = pf->hw.aq.asq_last_status;
1533 dev_err(&pf->pdev->dev,
1534 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1536 i40e_stat_str(&pf->hw, aq_ret),
1537 i40e_aq_str(&pf->hw, aq_err));
1538 goto error_param_int;
1543 dev_info(&pf->pdev->dev,
1544 "VF %d successfully set multicast promiscuous mode\n",
1547 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1549 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1552 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1554 if (vf->port_vlan_id) {
1555 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1559 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1560 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1562 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1564 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1569 aq_err = pf->hw.aq.asq_last_status;
1572 dev_err(&pf->pdev->dev,
1573 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1575 i40e_stat_str(&pf->hw, aq_ret),
1576 i40e_aq_str(&pf->hw, aq_err));
1579 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1582 aq_err = pf->hw.aq.asq_last_status;
1584 dev_err(&pf->pdev->dev,
1585 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1586 vf->vf_id, info->flags,
1587 i40e_stat_str(&pf->hw, aq_ret),
1588 i40e_aq_str(&pf->hw, aq_err));
1593 dev_info(&pf->pdev->dev,
1594 "VF %d successfully set unicast promiscuous mode\n",
1597 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1599 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1603 /* send the response to the VF */
1604 return i40e_vc_send_resp_to_vf(vf,
1605 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1610 * i40e_vc_config_queues_msg
1611 * @vf: pointer to the VF info
1612 * @msg: pointer to the msg buffer
1613 * @msglen: msg length
1615 * called from the VF to configure the rx/tx
1618 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1620 struct i40e_virtchnl_vsi_queue_config_info *qci =
1621 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1622 struct i40e_virtchnl_queue_pair_info *qpi;
1623 struct i40e_pf *pf = vf->pf;
1624 u16 vsi_id, vsi_queue_id;
1625 i40e_status aq_ret = 0;
1628 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1629 aq_ret = I40E_ERR_PARAM;
1633 vsi_id = qci->vsi_id;
1634 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1635 aq_ret = I40E_ERR_PARAM;
1638 for (i = 0; i < qci->num_queue_pairs; i++) {
1639 qpi = &qci->qpair[i];
1640 vsi_queue_id = qpi->txq.queue_id;
1641 if ((qpi->txq.vsi_id != vsi_id) ||
1642 (qpi->rxq.vsi_id != vsi_id) ||
1643 (qpi->rxq.queue_id != vsi_queue_id) ||
1644 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1645 aq_ret = I40E_ERR_PARAM;
1649 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1651 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1653 aq_ret = I40E_ERR_PARAM;
1657 /* set vsi num_queue_pairs in use to num configured by VF */
1658 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1661 /* send the response to the VF */
1662 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1667 * i40e_vc_config_irq_map_msg
1668 * @vf: pointer to the VF info
1669 * @msg: pointer to the msg buffer
1670 * @msglen: msg length
1672 * called from the VF to configure the irq to
1675 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1677 struct i40e_virtchnl_irq_map_info *irqmap_info =
1678 (struct i40e_virtchnl_irq_map_info *)msg;
1679 struct i40e_virtchnl_vector_map *map;
1680 u16 vsi_id, vsi_queue_id, vector_id;
1681 i40e_status aq_ret = 0;
1682 unsigned long tempmap;
1685 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1686 aq_ret = I40E_ERR_PARAM;
1690 for (i = 0; i < irqmap_info->num_vectors; i++) {
1691 map = &irqmap_info->vecmap[i];
1693 vector_id = map->vector_id;
1694 vsi_id = map->vsi_id;
1695 /* validate msg params */
1696 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1697 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1698 aq_ret = I40E_ERR_PARAM;
1702 /* lookout for the invalid queue index */
1703 tempmap = map->rxq_map;
1704 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1705 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1707 aq_ret = I40E_ERR_PARAM;
1712 tempmap = map->txq_map;
1713 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1714 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1716 aq_ret = I40E_ERR_PARAM;
1721 i40e_config_irq_link_list(vf, vsi_id, map);
1724 /* send the response to the VF */
1725 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1730 * i40e_vc_enable_queues_msg
1731 * @vf: pointer to the VF info
1732 * @msg: pointer to the msg buffer
1733 * @msglen: msg length
1735 * called from the VF to enable all or specific queue(s)
1737 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1739 struct i40e_virtchnl_queue_select *vqs =
1740 (struct i40e_virtchnl_queue_select *)msg;
1741 struct i40e_pf *pf = vf->pf;
1742 u16 vsi_id = vqs->vsi_id;
1743 i40e_status aq_ret = 0;
1745 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1746 aq_ret = I40E_ERR_PARAM;
1750 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1751 aq_ret = I40E_ERR_PARAM;
1755 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1756 aq_ret = I40E_ERR_PARAM;
1760 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true))
1761 aq_ret = I40E_ERR_TIMEOUT;
1763 /* send the response to the VF */
1764 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1769 * i40e_vc_disable_queues_msg
1770 * @vf: pointer to the VF info
1771 * @msg: pointer to the msg buffer
1772 * @msglen: msg length
1774 * called from the VF to disable all or specific
1777 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1779 struct i40e_virtchnl_queue_select *vqs =
1780 (struct i40e_virtchnl_queue_select *)msg;
1781 struct i40e_pf *pf = vf->pf;
1782 i40e_status aq_ret = 0;
1784 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1785 aq_ret = I40E_ERR_PARAM;
1789 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1790 aq_ret = I40E_ERR_PARAM;
1794 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1795 aq_ret = I40E_ERR_PARAM;
1799 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false))
1800 aq_ret = I40E_ERR_TIMEOUT;
1803 /* send the response to the VF */
1804 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1809 * i40e_vc_get_stats_msg
1810 * @vf: pointer to the VF info
1811 * @msg: pointer to the msg buffer
1812 * @msglen: msg length
1814 * called from the VF to get vsi stats
1816 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1818 struct i40e_virtchnl_queue_select *vqs =
1819 (struct i40e_virtchnl_queue_select *)msg;
1820 struct i40e_pf *pf = vf->pf;
1821 struct i40e_eth_stats stats;
1822 i40e_status aq_ret = 0;
1823 struct i40e_vsi *vsi;
1825 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1827 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1828 aq_ret = I40E_ERR_PARAM;
1832 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1833 aq_ret = I40E_ERR_PARAM;
1837 vsi = pf->vsi[vf->lan_vsi_idx];
1839 aq_ret = I40E_ERR_PARAM;
1842 i40e_update_eth_stats(vsi);
1843 stats = vsi->eth_stats;
1846 /* send the response back to the VF */
1847 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1848 (u8 *)&stats, sizeof(stats));
1851 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1852 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1853 #define I40E_VC_MAX_VLAN_PER_VF 8
1856 * i40e_check_vf_permission
1857 * @vf: pointer to the VF info
1858 * @macaddr: pointer to the MAC Address being checked
1860 * Check if the VF has permission to add or delete unicast MAC address
1861 * filters and return error code -EPERM if not. Then check if the
1862 * address filter requested is broadcast or zero and if so return
1863 * an invalid MAC address error code.
1865 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1867 struct i40e_pf *pf = vf->pf;
1870 if (is_broadcast_ether_addr(macaddr) ||
1871 is_zero_ether_addr(macaddr)) {
1872 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1873 ret = I40E_ERR_INVALID_MAC_ADDR;
1874 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1875 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1876 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1877 /* If the host VMM administrator has set the VF MAC address
1878 * administratively via the ndo_set_vf_mac command then deny
1879 * permission to the VF to add or delete unicast MAC addresses.
1880 * Unless the VF is privileged and then it can do whatever.
1881 * The VF may request to set the MAC address filter already
1882 * assigned to it so do not return an error in that case.
1884 dev_err(&pf->pdev->dev,
1885 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1887 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1888 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1889 dev_err(&pf->pdev->dev,
1890 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1897 * i40e_vc_add_mac_addr_msg
1898 * @vf: pointer to the VF info
1899 * @msg: pointer to the msg buffer
1900 * @msglen: msg length
1902 * add guest mac address filter
1904 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1906 struct i40e_virtchnl_ether_addr_list *al =
1907 (struct i40e_virtchnl_ether_addr_list *)msg;
1908 struct i40e_pf *pf = vf->pf;
1909 struct i40e_vsi *vsi = NULL;
1910 u16 vsi_id = al->vsi_id;
1911 i40e_status ret = 0;
1914 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1915 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1916 ret = I40E_ERR_PARAM;
1920 for (i = 0; i < al->num_elements; i++) {
1921 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1925 vsi = pf->vsi[vf->lan_vsi_idx];
1927 /* Lock once, because all function inside for loop accesses VSI's
1928 * MAC filter list which needs to be protected using same lock.
1930 spin_lock_bh(&vsi->mac_filter_list_lock);
1932 /* add new addresses to the list */
1933 for (i = 0; i < al->num_elements; i++) {
1934 struct i40e_mac_filter *f;
1936 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1938 if (i40e_is_vsi_in_vlan(vsi))
1939 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1942 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1947 dev_err(&pf->pdev->dev,
1948 "Unable to add MAC filter %pM for VF %d\n",
1949 al->list[i].addr, vf->vf_id);
1950 ret = I40E_ERR_PARAM;
1951 spin_unlock_bh(&vsi->mac_filter_list_lock);
1957 spin_unlock_bh(&vsi->mac_filter_list_lock);
1959 /* program the updated filter list */
1960 ret = i40e_sync_vsi_filters(vsi);
1962 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1966 /* send the response to the VF */
1967 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1972 * i40e_vc_del_mac_addr_msg
1973 * @vf: pointer to the VF info
1974 * @msg: pointer to the msg buffer
1975 * @msglen: msg length
1977 * remove guest mac address filter
1979 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1981 struct i40e_virtchnl_ether_addr_list *al =
1982 (struct i40e_virtchnl_ether_addr_list *)msg;
1983 struct i40e_pf *pf = vf->pf;
1984 struct i40e_vsi *vsi = NULL;
1985 u16 vsi_id = al->vsi_id;
1986 i40e_status ret = 0;
1989 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1990 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1991 ret = I40E_ERR_PARAM;
1995 for (i = 0; i < al->num_elements; i++) {
1996 if (is_broadcast_ether_addr(al->list[i].addr) ||
1997 is_zero_ether_addr(al->list[i].addr)) {
1998 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
1999 al->list[i].addr, vf->vf_id);
2000 ret = I40E_ERR_INVALID_MAC_ADDR;
2004 vsi = pf->vsi[vf->lan_vsi_idx];
2006 spin_lock_bh(&vsi->mac_filter_list_lock);
2007 /* delete addresses from the list */
2008 for (i = 0; i < al->num_elements; i++)
2009 if (i40e_del_mac_all_vlan(vsi, al->list[i].addr, true, false)) {
2010 ret = I40E_ERR_INVALID_MAC_ADDR;
2011 spin_unlock_bh(&vsi->mac_filter_list_lock);
2017 spin_unlock_bh(&vsi->mac_filter_list_lock);
2019 /* program the updated filter list */
2020 ret = i40e_sync_vsi_filters(vsi);
2022 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2026 /* send the response to the VF */
2027 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2032 * i40e_vc_add_vlan_msg
2033 * @vf: pointer to the VF info
2034 * @msg: pointer to the msg buffer
2035 * @msglen: msg length
2037 * program guest vlan id
2039 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2041 struct i40e_virtchnl_vlan_filter_list *vfl =
2042 (struct i40e_virtchnl_vlan_filter_list *)msg;
2043 struct i40e_pf *pf = vf->pf;
2044 struct i40e_vsi *vsi = NULL;
2045 u16 vsi_id = vfl->vsi_id;
2046 i40e_status aq_ret = 0;
2049 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2050 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2051 dev_err(&pf->pdev->dev,
2052 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2055 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2056 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2057 aq_ret = I40E_ERR_PARAM;
2061 for (i = 0; i < vfl->num_elements; i++) {
2062 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2063 aq_ret = I40E_ERR_PARAM;
2064 dev_err(&pf->pdev->dev,
2065 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2069 vsi = pf->vsi[vf->lan_vsi_idx];
2070 if (vsi->info.pvid) {
2071 aq_ret = I40E_ERR_PARAM;
2075 i40e_vlan_stripping_enable(vsi);
2076 for (i = 0; i < vfl->num_elements; i++) {
2077 /* add new VLAN filter */
2078 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2082 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2083 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2087 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2088 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2094 dev_err(&pf->pdev->dev,
2095 "Unable to add VLAN filter %d for VF %d, error %d\n",
2096 vfl->vlan_id[i], vf->vf_id, ret);
2100 /* send the response to the VF */
2101 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2105 * i40e_vc_remove_vlan_msg
2106 * @vf: pointer to the VF info
2107 * @msg: pointer to the msg buffer
2108 * @msglen: msg length
2110 * remove programmed guest vlan id
2112 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2114 struct i40e_virtchnl_vlan_filter_list *vfl =
2115 (struct i40e_virtchnl_vlan_filter_list *)msg;
2116 struct i40e_pf *pf = vf->pf;
2117 struct i40e_vsi *vsi = NULL;
2118 u16 vsi_id = vfl->vsi_id;
2119 i40e_status aq_ret = 0;
2122 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2123 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2124 aq_ret = I40E_ERR_PARAM;
2128 for (i = 0; i < vfl->num_elements; i++) {
2129 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2130 aq_ret = I40E_ERR_PARAM;
2135 vsi = pf->vsi[vf->lan_vsi_idx];
2136 if (vsi->info.pvid) {
2137 aq_ret = I40E_ERR_PARAM;
2141 for (i = 0; i < vfl->num_elements; i++) {
2142 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2146 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2147 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2151 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2152 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2158 dev_err(&pf->pdev->dev,
2159 "Unable to delete VLAN filter %d for VF %d, error %d\n",
2160 vfl->vlan_id[i], vf->vf_id, ret);
2164 /* send the response to the VF */
2165 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2170 * @vf: pointer to the VF info
2171 * @msg: pointer to the msg buffer
2172 * @msglen: msg length
2174 * called from the VF for the iwarp msgs
2176 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2178 struct i40e_pf *pf = vf->pf;
2179 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2180 i40e_status aq_ret = 0;
2182 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2183 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2184 aq_ret = I40E_ERR_PARAM;
2188 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2192 /* send the response to the VF */
2193 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2198 * i40e_vc_iwarp_qvmap_msg
2199 * @vf: pointer to the VF info
2200 * @msg: pointer to the msg buffer
2201 * @msglen: msg length
2202 * @config: config qvmap or release it
2204 * called from the VF for the iwarp msgs
2206 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2209 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2210 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2211 i40e_status aq_ret = 0;
2213 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2214 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2215 aq_ret = I40E_ERR_PARAM;
2220 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2221 aq_ret = I40E_ERR_PARAM;
2223 i40e_release_iwarp_qvlist(vf);
2227 /* send the response to the VF */
2228 return i40e_vc_send_resp_to_vf(vf,
2229 config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2230 I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2235 * i40e_vc_config_rss_key
2236 * @vf: pointer to the VF info
2237 * @msg: pointer to the msg buffer
2238 * @msglen: msg length
2240 * Configure the VF's RSS key
2242 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2244 struct i40e_virtchnl_rss_key *vrk =
2245 (struct i40e_virtchnl_rss_key *)msg;
2246 struct i40e_pf *pf = vf->pf;
2247 struct i40e_vsi *vsi = NULL;
2248 u16 vsi_id = vrk->vsi_id;
2249 i40e_status aq_ret = 0;
2251 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2252 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2253 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2254 aq_ret = I40E_ERR_PARAM;
2258 vsi = pf->vsi[vf->lan_vsi_idx];
2259 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2261 /* send the response to the VF */
2262 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2267 * i40e_vc_config_rss_lut
2268 * @vf: pointer to the VF info
2269 * @msg: pointer to the msg buffer
2270 * @msglen: msg length
2272 * Configure the VF's RSS LUT
2274 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2276 struct i40e_virtchnl_rss_lut *vrl =
2277 (struct i40e_virtchnl_rss_lut *)msg;
2278 struct i40e_pf *pf = vf->pf;
2279 struct i40e_vsi *vsi = NULL;
2280 u16 vsi_id = vrl->vsi_id;
2281 i40e_status aq_ret = 0;
2283 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2284 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2285 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2286 aq_ret = I40E_ERR_PARAM;
2290 vsi = pf->vsi[vf->lan_vsi_idx];
2291 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2292 /* send the response to the VF */
2294 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2299 * i40e_vc_get_rss_hena
2300 * @vf: pointer to the VF info
2301 * @msg: pointer to the msg buffer
2302 * @msglen: msg length
2304 * Return the RSS HENA bits allowed by the hardware
2306 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2308 struct i40e_virtchnl_rss_hena *vrh = NULL;
2309 struct i40e_pf *pf = vf->pf;
2310 i40e_status aq_ret = 0;
2313 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2314 aq_ret = I40E_ERR_PARAM;
2317 len = sizeof(struct i40e_virtchnl_rss_hena);
2319 vrh = kzalloc(len, GFP_KERNEL);
2321 aq_ret = I40E_ERR_NO_MEMORY;
2325 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2327 /* send the response back to the VF */
2328 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2329 aq_ret, (u8 *)vrh, len);
2335 * i40e_vc_set_rss_hena
2336 * @vf: pointer to the VF info
2337 * @msg: pointer to the msg buffer
2338 * @msglen: msg length
2340 * Set the RSS HENA bits for the VF
2342 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2344 struct i40e_virtchnl_rss_hena *vrh =
2345 (struct i40e_virtchnl_rss_hena *)msg;
2346 struct i40e_pf *pf = vf->pf;
2347 struct i40e_hw *hw = &pf->hw;
2348 i40e_status aq_ret = 0;
2350 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2351 aq_ret = I40E_ERR_PARAM;
2354 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2355 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2356 (u32)(vrh->hena >> 32));
2358 /* send the response to the VF */
2360 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2365 * i40e_vc_validate_vf_msg
2366 * @vf: pointer to the VF info
2367 * @msg: pointer to the msg buffer
2368 * @msglen: msg length
2369 * @msghndl: msg handle
2373 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2374 u32 v_retval, u8 *msg, u16 msglen)
2376 bool err_msg_format = false;
2379 /* Check if VF is disabled. */
2380 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2381 return I40E_ERR_PARAM;
2383 /* Validate message length. */
2385 case I40E_VIRTCHNL_OP_VERSION:
2386 valid_len = sizeof(struct i40e_virtchnl_version_info);
2388 case I40E_VIRTCHNL_OP_RESET_VF:
2390 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2392 valid_len = sizeof(u32);
2394 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2395 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2397 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2398 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2400 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2401 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2402 if (msglen >= valid_len) {
2403 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2404 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2405 valid_len += (vqc->num_queue_pairs *
2407 i40e_virtchnl_queue_pair_info));
2408 if (vqc->num_queue_pairs == 0)
2409 err_msg_format = true;
2412 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2413 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2414 if (msglen >= valid_len) {
2415 struct i40e_virtchnl_irq_map_info *vimi =
2416 (struct i40e_virtchnl_irq_map_info *)msg;
2417 valid_len += (vimi->num_vectors *
2418 sizeof(struct i40e_virtchnl_vector_map));
2419 if (vimi->num_vectors == 0)
2420 err_msg_format = true;
2423 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2424 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2425 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2427 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2428 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2429 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2430 if (msglen >= valid_len) {
2431 struct i40e_virtchnl_ether_addr_list *veal =
2432 (struct i40e_virtchnl_ether_addr_list *)msg;
2433 valid_len += veal->num_elements *
2434 sizeof(struct i40e_virtchnl_ether_addr);
2435 if (veal->num_elements == 0)
2436 err_msg_format = true;
2439 case I40E_VIRTCHNL_OP_ADD_VLAN:
2440 case I40E_VIRTCHNL_OP_DEL_VLAN:
2441 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2442 if (msglen >= valid_len) {
2443 struct i40e_virtchnl_vlan_filter_list *vfl =
2444 (struct i40e_virtchnl_vlan_filter_list *)msg;
2445 valid_len += vfl->num_elements * sizeof(u16);
2446 if (vfl->num_elements == 0)
2447 err_msg_format = true;
2450 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2451 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2453 case I40E_VIRTCHNL_OP_GET_STATS:
2454 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2456 case I40E_VIRTCHNL_OP_IWARP:
2457 /* These messages are opaque to us and will be validated in
2458 * the RDMA client code. We just need to check for nonzero
2459 * length. The firmware will enforce max length restrictions.
2464 err_msg_format = true;
2466 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2469 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2470 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2471 if (msglen >= valid_len) {
2472 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2473 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2474 if (qv->num_vectors == 0) {
2475 err_msg_format = true;
2478 valid_len += ((qv->num_vectors - 1) *
2479 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2482 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2483 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2484 if (msglen >= valid_len) {
2485 struct i40e_virtchnl_rss_key *vrk =
2486 (struct i40e_virtchnl_rss_key *)msg;
2487 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2488 err_msg_format = true;
2491 valid_len += vrk->key_len - 1;
2494 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2495 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2496 if (msglen >= valid_len) {
2497 struct i40e_virtchnl_rss_lut *vrl =
2498 (struct i40e_virtchnl_rss_lut *)msg;
2499 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2500 err_msg_format = true;
2503 valid_len += vrl->lut_entries - 1;
2506 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2508 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2509 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2511 /* These are always errors coming from the VF. */
2512 case I40E_VIRTCHNL_OP_EVENT:
2513 case I40E_VIRTCHNL_OP_UNKNOWN:
2517 /* few more checks */
2518 if ((valid_len != msglen) || (err_msg_format)) {
2519 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2527 * i40e_vc_process_vf_msg
2528 * @pf: pointer to the PF structure
2529 * @vf_id: source VF id
2530 * @msg: pointer to the msg buffer
2531 * @msglen: msg length
2532 * @msghndl: msg handle
2534 * called from the common aeq/arq handler to
2535 * process request from VF
2537 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2538 u32 v_retval, u8 *msg, u16 msglen)
2540 struct i40e_hw *hw = &pf->hw;
2541 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2545 pf->vf_aq_requests++;
2546 if (local_vf_id >= pf->num_alloc_vfs)
2548 vf = &(pf->vf[local_vf_id]);
2549 /* perform basic checks on the msg */
2550 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2553 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2554 local_vf_id, v_opcode, msglen);
2559 case I40E_VIRTCHNL_OP_VERSION:
2560 ret = i40e_vc_get_version_msg(vf, msg);
2562 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2563 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2565 case I40E_VIRTCHNL_OP_RESET_VF:
2566 i40e_vc_reset_vf_msg(vf);
2569 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2570 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2572 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2573 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2575 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2576 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2578 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2579 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2580 i40e_vc_notify_vf_link_state(vf);
2582 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2583 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2585 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2586 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2588 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2589 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2591 case I40E_VIRTCHNL_OP_ADD_VLAN:
2592 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2594 case I40E_VIRTCHNL_OP_DEL_VLAN:
2595 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2597 case I40E_VIRTCHNL_OP_GET_STATS:
2598 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2600 case I40E_VIRTCHNL_OP_IWARP:
2601 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2603 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2604 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2606 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2607 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2609 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2610 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2612 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2613 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2615 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2616 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2618 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2619 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2622 case I40E_VIRTCHNL_OP_UNKNOWN:
2624 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2625 v_opcode, local_vf_id);
2626 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2627 I40E_ERR_NOT_IMPLEMENTED);
2635 * i40e_vc_process_vflr_event
2636 * @pf: pointer to the PF structure
2638 * called from the vlfr irq handler to
2639 * free up VF resources and state variables
2641 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2643 struct i40e_hw *hw = &pf->hw;
2644 u32 reg, reg_idx, bit_idx;
2648 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2651 /* Re-enable the VFLR interrupt cause here, before looking for which
2652 * VF got reset. Otherwise, if another VF gets a reset while the
2653 * first one is being processed, that interrupt will be lost, and
2654 * that VF will be stuck in reset forever.
2656 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2657 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2658 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2661 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2662 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2663 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2664 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2665 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2666 vf = &pf->vf[vf_id];
2667 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2668 if (reg & BIT(bit_idx))
2669 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2670 i40e_reset_vf(vf, true);
2677 * i40e_ndo_set_vf_mac
2678 * @netdev: network interface device structure
2679 * @vf_id: VF identifier
2682 * program VF mac address
2684 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2686 struct i40e_netdev_priv *np = netdev_priv(netdev);
2687 struct i40e_vsi *vsi = np->vsi;
2688 struct i40e_pf *pf = vsi->back;
2689 struct i40e_mac_filter *f;
2693 /* validate the request */
2694 if (vf_id >= pf->num_alloc_vfs) {
2695 dev_err(&pf->pdev->dev,
2696 "Invalid VF Identifier %d\n", vf_id);
2701 vf = &(pf->vf[vf_id]);
2702 vsi = pf->vsi[vf->lan_vsi_idx];
2703 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2704 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2710 if (is_multicast_ether_addr(mac)) {
2711 dev_err(&pf->pdev->dev,
2712 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2717 /* Lock once because below invoked function add/del_filter requires
2718 * mac_filter_list_lock to be held
2720 spin_lock_bh(&vsi->mac_filter_list_lock);
2722 /* delete the temporary mac address */
2723 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2724 i40e_del_filter(vsi, vf->default_lan_addr.addr,
2725 vf->port_vlan_id ? vf->port_vlan_id : -1,
2728 /* Delete all the filters for this VSI - we're going to kill it
2731 list_for_each_entry(f, &vsi->mac_filter_list, list)
2732 i40e_del_filter(vsi, f->macaddr, f->vlan, true, false);
2734 spin_unlock_bh(&vsi->mac_filter_list_lock);
2736 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2737 /* program mac filter */
2738 if (i40e_sync_vsi_filters(vsi)) {
2739 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2743 ether_addr_copy(vf->default_lan_addr.addr, mac);
2744 vf->pf_set_mac = true;
2745 /* Force the VF driver stop so it has to reload with new MAC address */
2746 i40e_vc_disable_vf(pf, vf);
2747 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2754 * i40e_ndo_set_vf_port_vlan
2755 * @netdev: network interface device structure
2756 * @vf_id: VF identifier
2757 * @vlan_id: mac address
2758 * @qos: priority setting
2759 * @vlan_proto: vlan protocol
2761 * program VF vlan id and/or qos
2763 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
2764 u16 vlan_id, u8 qos, __be16 vlan_proto)
2766 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2767 struct i40e_netdev_priv *np = netdev_priv(netdev);
2768 struct i40e_pf *pf = np->vsi->back;
2769 bool is_vsi_in_vlan = false;
2770 struct i40e_vsi *vsi;
2774 /* validate the request */
2775 if (vf_id >= pf->num_alloc_vfs) {
2776 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2781 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2782 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2787 if (vlan_proto != htons(ETH_P_8021Q)) {
2788 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
2789 ret = -EPROTONOSUPPORT;
2793 vf = &(pf->vf[vf_id]);
2794 vsi = pf->vsi[vf->lan_vsi_idx];
2795 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2796 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2802 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2803 /* duplicate request, so just return success */
2806 spin_lock_bh(&vsi->mac_filter_list_lock);
2807 is_vsi_in_vlan = i40e_is_vsi_in_vlan(vsi);
2808 spin_unlock_bh(&vsi->mac_filter_list_lock);
2810 if (le16_to_cpu(vsi->info.pvid) == 0 && is_vsi_in_vlan) {
2811 dev_err(&pf->pdev->dev,
2812 "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",
2814 /* Administrator Error - knock the VF offline until he does
2815 * the right thing by reconfiguring his network correctly
2816 * and then reloading the VF driver.
2818 i40e_vc_disable_vf(pf, vf);
2819 /* During reset the VF got a new VSI, so refresh the pointer. */
2820 vsi = pf->vsi[vf->lan_vsi_idx];
2823 /* Check for condition where there was already a port VLAN ID
2824 * filter set and now it is being deleted by setting it to zero.
2825 * Additionally check for the condition where there was a port
2826 * VLAN but now there is a new and different port VLAN being set.
2827 * Before deleting all the old VLAN filters we must add new ones
2828 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2829 * MAC addresses deleted.
2831 if ((!(vlan_id || qos) ||
2832 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2834 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2836 if (vsi->info.pvid) {
2838 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2841 dev_info(&vsi->back->pdev->dev,
2842 "remove VLAN failed, ret=%d, aq_err=%d\n",
2843 ret, pf->hw.aq.asq_last_status);
2847 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2849 i40e_vsi_remove_pvid(vsi);
2852 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2853 vlan_id, qos, vf_id);
2855 /* add new VLAN filter */
2856 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2858 dev_info(&vsi->back->pdev->dev,
2859 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2860 vsi->back->hw.aq.asq_last_status);
2863 /* Kill non-vlan MAC filters - ignore error return since
2864 * there might not be any non-vlan MAC filters.
2866 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2870 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2873 /* The Port VLAN needs to be saved across resets the same as the
2874 * default LAN MAC address.
2876 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2883 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2884 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2886 * i40e_ndo_set_vf_bw
2887 * @netdev: network interface device structure
2888 * @vf_id: VF identifier
2891 * configure VF Tx rate
2893 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2896 struct i40e_netdev_priv *np = netdev_priv(netdev);
2897 struct i40e_pf *pf = np->vsi->back;
2898 struct i40e_vsi *vsi;
2903 /* validate the request */
2904 if (vf_id >= pf->num_alloc_vfs) {
2905 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2911 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2912 min_tx_rate, vf_id);
2916 vf = &(pf->vf[vf_id]);
2917 vsi = pf->vsi[vf->lan_vsi_idx];
2918 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2919 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2925 switch (pf->hw.phy.link_info.link_speed) {
2926 case I40E_LINK_SPEED_40GB:
2929 case I40E_LINK_SPEED_20GB:
2932 case I40E_LINK_SPEED_10GB:
2935 case I40E_LINK_SPEED_1GB:
2942 if (max_tx_rate > speed) {
2943 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.",
2944 max_tx_rate, vf->vf_id);
2949 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2950 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2954 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2955 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2956 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2957 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2959 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2964 vf->tx_rate = max_tx_rate;
2970 * i40e_ndo_get_vf_config
2971 * @netdev: network interface device structure
2972 * @vf_id: VF identifier
2973 * @ivi: VF configuration structure
2975 * return VF configuration
2977 int i40e_ndo_get_vf_config(struct net_device *netdev,
2978 int vf_id, struct ifla_vf_info *ivi)
2980 struct i40e_netdev_priv *np = netdev_priv(netdev);
2981 struct i40e_vsi *vsi = np->vsi;
2982 struct i40e_pf *pf = vsi->back;
2986 /* validate the request */
2987 if (vf_id >= pf->num_alloc_vfs) {
2988 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2993 vf = &(pf->vf[vf_id]);
2994 /* first vsi is always the LAN vsi */
2995 vsi = pf->vsi[vf->lan_vsi_idx];
2996 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2997 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3005 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
3007 ivi->max_tx_rate = vf->tx_rate;
3008 ivi->min_tx_rate = 0;
3009 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
3010 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
3011 I40E_VLAN_PRIORITY_SHIFT;
3012 if (vf->link_forced == false)
3013 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
3014 else if (vf->link_up == true)
3015 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
3017 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
3018 ivi->spoofchk = vf->spoofchk;
3019 ivi->trusted = vf->trusted;
3027 * i40e_ndo_set_vf_link_state
3028 * @netdev: network interface device structure
3029 * @vf_id: VF identifier
3030 * @link: required link state
3032 * Set the link state of a specified VF, regardless of physical link state
3034 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
3036 struct i40e_netdev_priv *np = netdev_priv(netdev);
3037 struct i40e_pf *pf = np->vsi->back;
3038 struct i40e_virtchnl_pf_event pfe;
3039 struct i40e_hw *hw = &pf->hw;
3044 /* validate the request */
3045 if (vf_id >= pf->num_alloc_vfs) {
3046 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3051 vf = &pf->vf[vf_id];
3052 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
3054 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
3055 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
3058 case IFLA_VF_LINK_STATE_AUTO:
3059 vf->link_forced = false;
3060 pfe.event_data.link_event.link_status =
3061 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
3062 pfe.event_data.link_event.link_speed =
3063 pf->hw.phy.link_info.link_speed;
3065 case IFLA_VF_LINK_STATE_ENABLE:
3066 vf->link_forced = true;
3068 pfe.event_data.link_event.link_status = true;
3069 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
3071 case IFLA_VF_LINK_STATE_DISABLE:
3072 vf->link_forced = true;
3073 vf->link_up = false;
3074 pfe.event_data.link_event.link_status = false;
3075 pfe.event_data.link_event.link_speed = 0;
3081 /* Notify the VF of its new link state */
3082 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
3083 0, (u8 *)&pfe, sizeof(pfe), NULL);
3090 * i40e_ndo_set_vf_spoofchk
3091 * @netdev: network interface device structure
3092 * @vf_id: VF identifier
3093 * @enable: flag to enable or disable feature
3095 * Enable or disable VF spoof checking
3097 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
3099 struct i40e_netdev_priv *np = netdev_priv(netdev);
3100 struct i40e_vsi *vsi = np->vsi;
3101 struct i40e_pf *pf = vsi->back;
3102 struct i40e_vsi_context ctxt;
3103 struct i40e_hw *hw = &pf->hw;
3107 /* validate the request */
3108 if (vf_id >= pf->num_alloc_vfs) {
3109 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3114 vf = &(pf->vf[vf_id]);
3115 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3116 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3122 if (enable == vf->spoofchk)
3125 vf->spoofchk = enable;
3126 memset(&ctxt, 0, sizeof(ctxt));
3127 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
3128 ctxt.pf_num = pf->hw.pf_id;
3129 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
3131 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
3132 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
3133 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
3135 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
3144 * i40e_ndo_set_vf_trust
3145 * @netdev: network interface device structure of the pf
3146 * @vf_id: VF identifier
3147 * @setting: trust setting
3149 * Enable or disable VF trust setting
3151 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
3153 struct i40e_netdev_priv *np = netdev_priv(netdev);
3154 struct i40e_pf *pf = np->vsi->back;
3158 /* validate the request */
3159 if (vf_id >= pf->num_alloc_vfs) {
3160 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3164 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3165 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
3169 vf = &pf->vf[vf_id];
3173 if (setting == vf->trusted)
3176 vf->trusted = setting;
3177 i40e_vc_notify_vf_reset(vf);
3178 i40e_reset_vf(vf, false);
3179 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
3180 vf_id, setting ? "" : "un");