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 /* free vsi & disconnect it from the parent uplink */
813 if (vf->lan_vsi_idx) {
814 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
819 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
821 /* disable interrupts so the VF starts in a known state */
822 for (i = 0; i < msix_vf; i++) {
823 /* format is same for both registers */
825 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
827 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
830 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
834 /* clear the irq settings */
835 for (i = 0; i < msix_vf; i++) {
836 /* format is same for both registers */
838 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
840 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
843 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
844 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
845 wr32(hw, reg_idx, reg);
848 /* reset some of the state variables keeping track of the resources */
849 vf->num_queue_pairs = 0;
851 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
856 * @vf: pointer to the VF info
858 * allocate VF resources
860 static int i40e_alloc_vf_res(struct i40e_vf *vf)
862 struct i40e_pf *pf = vf->pf;
863 int total_queue_pairs = 0;
866 /* allocate hw vsi context & associated resources */
867 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
870 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
873 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
875 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
877 /* store the total qps number for the runtime
880 vf->num_queue_pairs = total_queue_pairs;
882 /* VF is now completely initialized */
883 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
887 i40e_free_vf_res(vf);
892 #define VF_DEVICE_STATUS 0xAA
893 #define VF_TRANS_PENDING_MASK 0x20
895 * i40e_quiesce_vf_pci
896 * @vf: pointer to the VF structure
898 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
899 * if the transactions never clear.
901 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
903 struct i40e_pf *pf = vf->pf;
904 struct i40e_hw *hw = &pf->hw;
908 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
910 wr32(hw, I40E_PF_PCI_CIAA,
911 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
912 for (i = 0; i < 100; i++) {
913 reg = rd32(hw, I40E_PF_PCI_CIAD);
914 if ((reg & VF_TRANS_PENDING_MASK) == 0)
923 * @vf: pointer to the VF structure
924 * @flr: VFLR was issued or not
928 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
930 struct i40e_pf *pf = vf->pf;
931 struct i40e_hw *hw = &pf->hw;
932 u32 reg, reg_idx, bit_idx;
936 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
940 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
942 /* In the case of a VFLR, the HW has already reset the VF and we
943 * just need to clean up, so don't hit the VFRTRIG register.
946 /* reset VF using VPGEN_VFRTRIG reg */
947 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
948 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
949 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
952 /* clear the VFLR bit in GLGEN_VFLRSTAT */
953 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
954 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
955 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
958 if (i40e_quiesce_vf_pci(vf))
959 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
962 /* poll VPGEN_VFRSTAT reg to make sure
963 * that reset is complete
965 for (i = 0; i < 10; i++) {
966 /* VF reset requires driver to first reset the VF and then
967 * poll the status register to make sure that the reset
968 * completed successfully. Due to internal HW FIFO flushes,
969 * we must wait 10ms before the register will be valid.
971 usleep_range(10000, 20000);
972 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
973 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
980 usleep_range(10000, 20000);
983 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
985 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
986 /* clear the reset bit in the VPGEN_VFRTRIG reg */
987 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
988 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
989 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
991 /* On initial reset, we won't have any queues */
992 if (vf->lan_vsi_idx == 0)
995 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
997 /* reallocate VF resources to reset the VSI state */
998 i40e_free_vf_res(vf);
999 if (!i40e_alloc_vf_res(vf)) {
1000 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1001 i40e_enable_vf_mappings(vf);
1002 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1003 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1004 /* Do not notify the client during VF init */
1005 if (vf->pf->num_alloc_vfs)
1006 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1009 /* tell the VF the reset is done */
1010 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
1013 clear_bit(__I40E_VF_DISABLE, &pf->state);
1018 * @pf: pointer to the PF structure
1022 void i40e_free_vfs(struct i40e_pf *pf)
1024 struct i40e_hw *hw = &pf->hw;
1025 u32 reg_idx, bit_idx;
1030 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1031 usleep_range(1000, 2000);
1033 i40e_notify_client_of_vf_enable(pf, 0);
1034 for (i = 0; i < pf->num_alloc_vfs; i++)
1035 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1036 i40e_vsi_stop_rings(pf->vsi[pf->vf[i].lan_vsi_idx]);
1038 /* Disable IOV before freeing resources. This lets any VF drivers
1039 * running in the host get themselves cleaned up before we yank
1040 * the carpet out from underneath their feet.
1042 if (!pci_vfs_assigned(pf->pdev))
1043 pci_disable_sriov(pf->pdev);
1045 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1047 msleep(20); /* let any messages in transit get finished up */
1049 /* free up VF resources */
1050 tmp = pf->num_alloc_vfs;
1051 pf->num_alloc_vfs = 0;
1052 for (i = 0; i < tmp; i++) {
1053 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1054 i40e_free_vf_res(&pf->vf[i]);
1055 /* disable qp mappings */
1056 i40e_disable_vf_mappings(&pf->vf[i]);
1062 /* This check is for when the driver is unloaded while VFs are
1063 * assigned. Setting the number of VFs to 0 through sysfs is caught
1064 * before this function ever gets called.
1066 if (!pci_vfs_assigned(pf->pdev)) {
1067 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1068 * work correctly when SR-IOV gets re-enabled.
1070 for (vf_id = 0; vf_id < tmp; vf_id++) {
1071 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1072 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1073 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1076 clear_bit(__I40E_VF_DISABLE, &pf->state);
1079 #ifdef CONFIG_PCI_IOV
1082 * @pf: pointer to the PF structure
1083 * @num_alloc_vfs: number of VFs to allocate
1085 * allocate VF resources
1087 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1089 struct i40e_vf *vfs;
1092 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1093 i40e_irq_dynamic_disable_icr0(pf);
1095 /* Check to see if we're just allocating resources for extant VFs */
1096 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1097 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1099 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1100 pf->num_alloc_vfs = 0;
1104 /* allocate memory */
1105 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1112 /* apply default profile */
1113 for (i = 0; i < num_alloc_vfs; i++) {
1115 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1118 /* assign default capabilities */
1119 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1120 vfs[i].spoofchk = true;
1121 /* VF resources get allocated during reset */
1122 i40e_reset_vf(&vfs[i], false);
1125 pf->num_alloc_vfs = num_alloc_vfs;
1127 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1133 /* Re-enable interrupt 0. */
1134 i40e_irq_dynamic_enable_icr0(pf, false);
1140 * i40e_pci_sriov_enable
1141 * @pdev: pointer to a pci_dev structure
1142 * @num_vfs: number of VFs to allocate
1144 * Enable or change the number of VFs
1146 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1148 #ifdef CONFIG_PCI_IOV
1149 struct i40e_pf *pf = pci_get_drvdata(pdev);
1150 int pre_existing_vfs = pci_num_vf(pdev);
1153 if (test_bit(__I40E_TESTING, &pf->state)) {
1154 dev_warn(&pdev->dev,
1155 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1160 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1162 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1165 if (num_vfs > pf->num_req_vfs) {
1166 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1167 num_vfs, pf->num_req_vfs);
1172 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1173 err = i40e_alloc_vfs(pf, num_vfs);
1175 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1189 * i40e_pci_sriov_configure
1190 * @pdev: pointer to a pci_dev structure
1191 * @num_vfs: number of VFs to allocate
1193 * Enable or change the number of VFs. Called when the user updates the number
1196 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1198 struct i40e_pf *pf = pci_get_drvdata(pdev);
1201 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1202 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1203 i40e_do_reset_safe(pf,
1204 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1206 return i40e_pci_sriov_enable(pdev, num_vfs);
1209 if (!pci_vfs_assigned(pf->pdev)) {
1211 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1212 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1214 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1220 /***********************virtual channel routines******************/
1223 * i40e_vc_send_msg_to_vf
1224 * @vf: pointer to the VF info
1225 * @v_opcode: virtual channel opcode
1226 * @v_retval: virtual channel return value
1227 * @msg: pointer to the msg buffer
1228 * @msglen: msg length
1232 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1233 u32 v_retval, u8 *msg, u16 msglen)
1240 /* validate the request */
1241 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1246 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1248 /* single place to detect unsuccessful return values */
1250 vf->num_invalid_msgs++;
1251 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1252 vf->vf_id, v_opcode, v_retval);
1253 if (vf->num_invalid_msgs >
1254 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1255 dev_err(&pf->pdev->dev,
1256 "Number of invalid messages exceeded for VF %d\n",
1258 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1259 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1262 vf->num_valid_msgs++;
1263 /* reset the invalid counter, if a valid message is received. */
1264 vf->num_invalid_msgs = 0;
1267 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1270 dev_info(&pf->pdev->dev,
1271 "Unable to send the message to VF %d aq_err %d\n",
1272 vf->vf_id, pf->hw.aq.asq_last_status);
1280 * i40e_vc_send_resp_to_vf
1281 * @vf: pointer to the VF info
1282 * @opcode: operation code
1283 * @retval: return value
1285 * send resp msg to VF
1287 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1288 enum i40e_virtchnl_ops opcode,
1291 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1295 * i40e_vc_get_version_msg
1296 * @vf: pointer to the VF info
1298 * called from the VF to request the API version used by the PF
1300 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1302 struct i40e_virtchnl_version_info info = {
1303 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1306 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1307 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1309 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1310 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1311 I40E_SUCCESS, (u8 *)&info,
1313 i40e_virtchnl_version_info));
1317 * i40e_vc_get_vf_resources_msg
1318 * @vf: pointer to the VF info
1319 * @msg: pointer to the msg buffer
1320 * @msglen: msg length
1322 * called from the VF to request its resources
1324 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1326 struct i40e_virtchnl_vf_resource *vfres = NULL;
1327 struct i40e_pf *pf = vf->pf;
1328 i40e_status aq_ret = 0;
1329 struct i40e_vsi *vsi;
1334 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1335 aq_ret = I40E_ERR_PARAM;
1339 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1340 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1342 vfres = kzalloc(len, GFP_KERNEL);
1344 aq_ret = I40E_ERR_NO_MEMORY;
1349 vf->driver_caps = *(u32 *)msg;
1351 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1352 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1353 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1355 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1356 vsi = pf->vsi[vf->lan_vsi_idx];
1357 if (!vsi->info.pvid)
1358 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1360 if (i40e_vf_client_capable(pf, vf->vf_id) &&
1361 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1362 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1363 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1366 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1367 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1369 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1370 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1371 vfres->vf_offload_flags |=
1372 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1374 vfres->vf_offload_flags |=
1375 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1378 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1379 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1380 vfres->vf_offload_flags |=
1381 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1384 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1385 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1386 dev_err(&pf->pdev->dev,
1387 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1389 ret = I40E_ERR_PARAM;
1392 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1395 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1396 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1397 vfres->vf_offload_flags |=
1398 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1401 vfres->num_vsis = num_vsis;
1402 vfres->num_queue_pairs = vf->num_queue_pairs;
1403 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1404 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1405 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1407 if (vf->lan_vsi_idx) {
1408 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1409 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1410 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1411 /* VFs only use TC 0 */
1412 vfres->vsi_res[0].qset_handle
1413 = le16_to_cpu(vsi->info.qs_handle[0]);
1414 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1415 vf->default_lan_addr.addr);
1417 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1420 /* send the response back to the VF */
1421 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1422 aq_ret, (u8 *)vfres, len);
1429 * i40e_vc_reset_vf_msg
1430 * @vf: pointer to the VF info
1431 * @msg: pointer to the msg buffer
1432 * @msglen: msg length
1434 * called from the VF to reset itself,
1435 * unlike other virtchnl messages, PF driver
1436 * doesn't send the response back to the VF
1438 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1440 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1441 i40e_reset_vf(vf, false);
1445 * i40e_getnum_vf_vsi_vlan_filters
1446 * @vsi: pointer to the vsi
1448 * called to get the number of VLANs offloaded on this VF
1450 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1452 struct i40e_mac_filter *f;
1453 int num_vlans = 0, bkt;
1455 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1456 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1464 * i40e_vc_config_promiscuous_mode_msg
1465 * @vf: pointer to the VF info
1466 * @msg: pointer to the msg buffer
1467 * @msglen: msg length
1469 * called from the VF to configure the promiscuous mode of
1472 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1473 u8 *msg, u16 msglen)
1475 struct i40e_virtchnl_promisc_info *info =
1476 (struct i40e_virtchnl_promisc_info *)msg;
1477 struct i40e_pf *pf = vf->pf;
1478 struct i40e_hw *hw = &pf->hw;
1479 struct i40e_mac_filter *f;
1480 i40e_status aq_ret = 0;
1481 bool allmulti = false;
1482 struct i40e_vsi *vsi;
1483 bool alluni = false;
1487 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1488 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1489 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1491 aq_ret = I40E_ERR_PARAM;
1494 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1495 dev_err(&pf->pdev->dev,
1496 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1498 /* Lie to the VF on purpose. */
1502 /* Multicast promiscuous handling*/
1503 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1506 if (vf->port_vlan_id) {
1507 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1511 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1512 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1513 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1515 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1520 aq_err = pf->hw.aq.asq_last_status;
1522 dev_err(&pf->pdev->dev,
1523 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1525 i40e_stat_str(&pf->hw, aq_ret),
1526 i40e_aq_str(&pf->hw, aq_err));
1531 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1533 aq_err = pf->hw.aq.asq_last_status;
1535 dev_err(&pf->pdev->dev,
1536 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1538 i40e_stat_str(&pf->hw, aq_ret),
1539 i40e_aq_str(&pf->hw, aq_err));
1545 dev_info(&pf->pdev->dev,
1546 "VF %d successfully set multicast promiscuous mode\n",
1549 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1551 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1554 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1556 if (vf->port_vlan_id) {
1557 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1561 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1562 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1564 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1566 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1571 aq_err = pf->hw.aq.asq_last_status;
1574 dev_err(&pf->pdev->dev,
1575 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1577 i40e_stat_str(&pf->hw, aq_ret),
1578 i40e_aq_str(&pf->hw, aq_err));
1581 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1584 aq_err = pf->hw.aq.asq_last_status;
1586 dev_err(&pf->pdev->dev,
1587 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1588 vf->vf_id, info->flags,
1589 i40e_stat_str(&pf->hw, aq_ret),
1590 i40e_aq_str(&pf->hw, aq_err));
1596 dev_info(&pf->pdev->dev,
1597 "VF %d successfully set unicast promiscuous mode\n",
1600 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1602 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1606 /* send the response to the VF */
1607 return i40e_vc_send_resp_to_vf(vf,
1608 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1613 * i40e_vc_config_queues_msg
1614 * @vf: pointer to the VF info
1615 * @msg: pointer to the msg buffer
1616 * @msglen: msg length
1618 * called from the VF to configure the rx/tx
1621 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1623 struct i40e_virtchnl_vsi_queue_config_info *qci =
1624 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1625 struct i40e_virtchnl_queue_pair_info *qpi;
1626 struct i40e_pf *pf = vf->pf;
1627 u16 vsi_id, vsi_queue_id;
1628 i40e_status aq_ret = 0;
1631 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1632 aq_ret = I40E_ERR_PARAM;
1636 vsi_id = qci->vsi_id;
1637 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1638 aq_ret = I40E_ERR_PARAM;
1641 for (i = 0; i < qci->num_queue_pairs; i++) {
1642 qpi = &qci->qpair[i];
1643 vsi_queue_id = qpi->txq.queue_id;
1644 if ((qpi->txq.vsi_id != vsi_id) ||
1645 (qpi->rxq.vsi_id != vsi_id) ||
1646 (qpi->rxq.queue_id != vsi_queue_id) ||
1647 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1648 aq_ret = I40E_ERR_PARAM;
1652 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1654 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1656 aq_ret = I40E_ERR_PARAM;
1660 /* set vsi num_queue_pairs in use to num configured by VF */
1661 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1664 /* send the response to the VF */
1665 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1670 * i40e_vc_config_irq_map_msg
1671 * @vf: pointer to the VF info
1672 * @msg: pointer to the msg buffer
1673 * @msglen: msg length
1675 * called from the VF to configure the irq to
1678 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1680 struct i40e_virtchnl_irq_map_info *irqmap_info =
1681 (struct i40e_virtchnl_irq_map_info *)msg;
1682 struct i40e_virtchnl_vector_map *map;
1683 u16 vsi_id, vsi_queue_id, vector_id;
1684 i40e_status aq_ret = 0;
1685 unsigned long tempmap;
1688 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1689 aq_ret = I40E_ERR_PARAM;
1693 for (i = 0; i < irqmap_info->num_vectors; i++) {
1694 map = &irqmap_info->vecmap[i];
1696 vector_id = map->vector_id;
1697 vsi_id = map->vsi_id;
1698 /* validate msg params */
1699 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1700 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1701 aq_ret = I40E_ERR_PARAM;
1705 /* lookout for the invalid queue index */
1706 tempmap = map->rxq_map;
1707 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1708 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1710 aq_ret = I40E_ERR_PARAM;
1715 tempmap = map->txq_map;
1716 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1717 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1719 aq_ret = I40E_ERR_PARAM;
1724 i40e_config_irq_link_list(vf, vsi_id, map);
1727 /* send the response to the VF */
1728 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1733 * i40e_vc_enable_queues_msg
1734 * @vf: pointer to the VF info
1735 * @msg: pointer to the msg buffer
1736 * @msglen: msg length
1738 * called from the VF to enable all or specific queue(s)
1740 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1742 struct i40e_virtchnl_queue_select *vqs =
1743 (struct i40e_virtchnl_queue_select *)msg;
1744 struct i40e_pf *pf = vf->pf;
1745 u16 vsi_id = vqs->vsi_id;
1746 i40e_status aq_ret = 0;
1748 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1749 aq_ret = I40E_ERR_PARAM;
1753 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1754 aq_ret = I40E_ERR_PARAM;
1758 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1759 aq_ret = I40E_ERR_PARAM;
1763 if (i40e_vsi_start_rings(pf->vsi[vf->lan_vsi_idx]))
1764 aq_ret = I40E_ERR_TIMEOUT;
1766 /* send the response to the VF */
1767 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1772 * i40e_vc_disable_queues_msg
1773 * @vf: pointer to the VF info
1774 * @msg: pointer to the msg buffer
1775 * @msglen: msg length
1777 * called from the VF to disable all or specific
1780 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1782 struct i40e_virtchnl_queue_select *vqs =
1783 (struct i40e_virtchnl_queue_select *)msg;
1784 struct i40e_pf *pf = vf->pf;
1785 i40e_status aq_ret = 0;
1787 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1788 aq_ret = I40E_ERR_PARAM;
1792 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1793 aq_ret = I40E_ERR_PARAM;
1797 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1798 aq_ret = I40E_ERR_PARAM;
1802 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1805 /* send the response to the VF */
1806 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1811 * i40e_vc_get_stats_msg
1812 * @vf: pointer to the VF info
1813 * @msg: pointer to the msg buffer
1814 * @msglen: msg length
1816 * called from the VF to get vsi stats
1818 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1820 struct i40e_virtchnl_queue_select *vqs =
1821 (struct i40e_virtchnl_queue_select *)msg;
1822 struct i40e_pf *pf = vf->pf;
1823 struct i40e_eth_stats stats;
1824 i40e_status aq_ret = 0;
1825 struct i40e_vsi *vsi;
1827 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1829 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1830 aq_ret = I40E_ERR_PARAM;
1834 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1835 aq_ret = I40E_ERR_PARAM;
1839 vsi = pf->vsi[vf->lan_vsi_idx];
1841 aq_ret = I40E_ERR_PARAM;
1844 i40e_update_eth_stats(vsi);
1845 stats = vsi->eth_stats;
1848 /* send the response back to the VF */
1849 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1850 (u8 *)&stats, sizeof(stats));
1853 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1854 #define I40E_VC_MAX_MAC_ADDR_PER_VF 12
1855 #define I40E_VC_MAX_VLAN_PER_VF 8
1858 * i40e_check_vf_permission
1859 * @vf: pointer to the VF info
1860 * @macaddr: pointer to the MAC Address being checked
1862 * Check if the VF has permission to add or delete unicast MAC address
1863 * filters and return error code -EPERM if not. Then check if the
1864 * address filter requested is broadcast or zero and if so return
1865 * an invalid MAC address error code.
1867 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1869 struct i40e_pf *pf = vf->pf;
1872 if (is_broadcast_ether_addr(macaddr) ||
1873 is_zero_ether_addr(macaddr)) {
1874 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1875 ret = I40E_ERR_INVALID_MAC_ADDR;
1876 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1877 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1878 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1879 /* If the host VMM administrator has set the VF MAC address
1880 * administratively via the ndo_set_vf_mac command then deny
1881 * permission to the VF to add or delete unicast MAC addresses.
1882 * Unless the VF is privileged and then it can do whatever.
1883 * The VF may request to set the MAC address filter already
1884 * assigned to it so do not return an error in that case.
1886 dev_err(&pf->pdev->dev,
1887 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1889 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1890 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1891 dev_err(&pf->pdev->dev,
1892 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1899 * i40e_vc_add_mac_addr_msg
1900 * @vf: pointer to the VF info
1901 * @msg: pointer to the msg buffer
1902 * @msglen: msg length
1904 * add guest mac address filter
1906 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1908 struct i40e_virtchnl_ether_addr_list *al =
1909 (struct i40e_virtchnl_ether_addr_list *)msg;
1910 struct i40e_pf *pf = vf->pf;
1911 struct i40e_vsi *vsi = NULL;
1912 u16 vsi_id = al->vsi_id;
1913 i40e_status ret = 0;
1916 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1917 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1918 ret = I40E_ERR_PARAM;
1922 for (i = 0; i < al->num_elements; i++) {
1923 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1927 vsi = pf->vsi[vf->lan_vsi_idx];
1929 /* Lock once, because all function inside for loop accesses VSI's
1930 * MAC filter list which needs to be protected using same lock.
1932 spin_lock_bh(&vsi->mac_filter_hash_lock);
1934 /* add new addresses to the list */
1935 for (i = 0; i < al->num_elements; i++) {
1936 struct i40e_mac_filter *f;
1938 f = i40e_find_mac(vsi, al->list[i].addr);
1940 f = i40e_add_mac_filter(vsi, al->list[i].addr);
1943 dev_err(&pf->pdev->dev,
1944 "Unable to add MAC filter %pM for VF %d\n",
1945 al->list[i].addr, vf->vf_id);
1946 ret = I40E_ERR_PARAM;
1947 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1953 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1955 /* program the updated filter list */
1956 ret = i40e_sync_vsi_filters(vsi);
1958 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1962 /* send the response to the VF */
1963 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1968 * i40e_vc_del_mac_addr_msg
1969 * @vf: pointer to the VF info
1970 * @msg: pointer to the msg buffer
1971 * @msglen: msg length
1973 * remove guest mac address filter
1975 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1977 struct i40e_virtchnl_ether_addr_list *al =
1978 (struct i40e_virtchnl_ether_addr_list *)msg;
1979 struct i40e_pf *pf = vf->pf;
1980 struct i40e_vsi *vsi = NULL;
1981 u16 vsi_id = al->vsi_id;
1982 i40e_status ret = 0;
1985 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1986 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1987 ret = I40E_ERR_PARAM;
1991 for (i = 0; i < al->num_elements; i++) {
1992 if (is_broadcast_ether_addr(al->list[i].addr) ||
1993 is_zero_ether_addr(al->list[i].addr)) {
1994 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
1995 al->list[i].addr, vf->vf_id);
1996 ret = I40E_ERR_INVALID_MAC_ADDR;
2000 vsi = pf->vsi[vf->lan_vsi_idx];
2002 spin_lock_bh(&vsi->mac_filter_hash_lock);
2003 /* delete addresses from the list */
2004 for (i = 0; i < al->num_elements; i++)
2005 if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
2006 ret = I40E_ERR_INVALID_MAC_ADDR;
2007 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2013 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2015 /* program the updated filter list */
2016 ret = i40e_sync_vsi_filters(vsi);
2018 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2022 /* send the response to the VF */
2023 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2028 * i40e_vc_add_vlan_msg
2029 * @vf: pointer to the VF info
2030 * @msg: pointer to the msg buffer
2031 * @msglen: msg length
2033 * program guest vlan id
2035 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2037 struct i40e_virtchnl_vlan_filter_list *vfl =
2038 (struct i40e_virtchnl_vlan_filter_list *)msg;
2039 struct i40e_pf *pf = vf->pf;
2040 struct i40e_vsi *vsi = NULL;
2041 u16 vsi_id = vfl->vsi_id;
2042 i40e_status aq_ret = 0;
2045 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2046 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2047 dev_err(&pf->pdev->dev,
2048 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2051 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2052 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2053 aq_ret = I40E_ERR_PARAM;
2057 for (i = 0; i < vfl->num_elements; i++) {
2058 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2059 aq_ret = I40E_ERR_PARAM;
2060 dev_err(&pf->pdev->dev,
2061 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2065 vsi = pf->vsi[vf->lan_vsi_idx];
2066 if (vsi->info.pvid) {
2067 aq_ret = I40E_ERR_PARAM;
2071 i40e_vlan_stripping_enable(vsi);
2072 for (i = 0; i < vfl->num_elements; i++) {
2073 /* add new VLAN filter */
2074 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2078 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2079 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2083 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2084 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2090 dev_err(&pf->pdev->dev,
2091 "Unable to add VLAN filter %d for VF %d, error %d\n",
2092 vfl->vlan_id[i], vf->vf_id, ret);
2096 /* send the response to the VF */
2097 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2101 * i40e_vc_remove_vlan_msg
2102 * @vf: pointer to the VF info
2103 * @msg: pointer to the msg buffer
2104 * @msglen: msg length
2106 * remove programmed guest vlan id
2108 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2110 struct i40e_virtchnl_vlan_filter_list *vfl =
2111 (struct i40e_virtchnl_vlan_filter_list *)msg;
2112 struct i40e_pf *pf = vf->pf;
2113 struct i40e_vsi *vsi = NULL;
2114 u16 vsi_id = vfl->vsi_id;
2115 i40e_status aq_ret = 0;
2118 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2119 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2120 aq_ret = I40E_ERR_PARAM;
2124 for (i = 0; i < vfl->num_elements; i++) {
2125 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2126 aq_ret = I40E_ERR_PARAM;
2131 vsi = pf->vsi[vf->lan_vsi_idx];
2132 if (vsi->info.pvid) {
2133 aq_ret = I40E_ERR_PARAM;
2137 for (i = 0; i < vfl->num_elements; i++) {
2138 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2141 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2142 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2146 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2147 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2154 /* send the response to the VF */
2155 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2160 * @vf: pointer to the VF info
2161 * @msg: pointer to the msg buffer
2162 * @msglen: msg length
2164 * called from the VF for the iwarp msgs
2166 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2168 struct i40e_pf *pf = vf->pf;
2169 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2170 i40e_status aq_ret = 0;
2172 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2173 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2174 aq_ret = I40E_ERR_PARAM;
2178 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2182 /* send the response to the VF */
2183 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2188 * i40e_vc_iwarp_qvmap_msg
2189 * @vf: pointer to the VF info
2190 * @msg: pointer to the msg buffer
2191 * @msglen: msg length
2192 * @config: config qvmap or release it
2194 * called from the VF for the iwarp msgs
2196 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2199 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2200 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2201 i40e_status aq_ret = 0;
2203 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2204 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2205 aq_ret = I40E_ERR_PARAM;
2210 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2211 aq_ret = I40E_ERR_PARAM;
2213 i40e_release_iwarp_qvlist(vf);
2217 /* send the response to the VF */
2218 return i40e_vc_send_resp_to_vf(vf,
2219 config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2220 I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2225 * i40e_vc_config_rss_key
2226 * @vf: pointer to the VF info
2227 * @msg: pointer to the msg buffer
2228 * @msglen: msg length
2230 * Configure the VF's RSS key
2232 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2234 struct i40e_virtchnl_rss_key *vrk =
2235 (struct i40e_virtchnl_rss_key *)msg;
2236 struct i40e_pf *pf = vf->pf;
2237 struct i40e_vsi *vsi = NULL;
2238 u16 vsi_id = vrk->vsi_id;
2239 i40e_status aq_ret = 0;
2241 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2242 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2243 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2244 aq_ret = I40E_ERR_PARAM;
2248 vsi = pf->vsi[vf->lan_vsi_idx];
2249 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2251 /* send the response to the VF */
2252 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2257 * i40e_vc_config_rss_lut
2258 * @vf: pointer to the VF info
2259 * @msg: pointer to the msg buffer
2260 * @msglen: msg length
2262 * Configure the VF's RSS LUT
2264 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2266 struct i40e_virtchnl_rss_lut *vrl =
2267 (struct i40e_virtchnl_rss_lut *)msg;
2268 struct i40e_pf *pf = vf->pf;
2269 struct i40e_vsi *vsi = NULL;
2270 u16 vsi_id = vrl->vsi_id;
2271 i40e_status aq_ret = 0;
2273 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2274 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2275 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2276 aq_ret = I40E_ERR_PARAM;
2280 vsi = pf->vsi[vf->lan_vsi_idx];
2281 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2282 /* send the response to the VF */
2284 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2289 * i40e_vc_get_rss_hena
2290 * @vf: pointer to the VF info
2291 * @msg: pointer to the msg buffer
2292 * @msglen: msg length
2294 * Return the RSS HENA bits allowed by the hardware
2296 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2298 struct i40e_virtchnl_rss_hena *vrh = NULL;
2299 struct i40e_pf *pf = vf->pf;
2300 i40e_status aq_ret = 0;
2303 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2304 aq_ret = I40E_ERR_PARAM;
2307 len = sizeof(struct i40e_virtchnl_rss_hena);
2309 vrh = kzalloc(len, GFP_KERNEL);
2311 aq_ret = I40E_ERR_NO_MEMORY;
2315 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2317 /* send the response back to the VF */
2318 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2319 aq_ret, (u8 *)vrh, len);
2325 * i40e_vc_set_rss_hena
2326 * @vf: pointer to the VF info
2327 * @msg: pointer to the msg buffer
2328 * @msglen: msg length
2330 * Set the RSS HENA bits for the VF
2332 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2334 struct i40e_virtchnl_rss_hena *vrh =
2335 (struct i40e_virtchnl_rss_hena *)msg;
2336 struct i40e_pf *pf = vf->pf;
2337 struct i40e_hw *hw = &pf->hw;
2338 i40e_status aq_ret = 0;
2340 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2341 aq_ret = I40E_ERR_PARAM;
2344 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2345 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2346 (u32)(vrh->hena >> 32));
2348 /* send the response to the VF */
2350 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2355 * i40e_vc_validate_vf_msg
2356 * @vf: pointer to the VF info
2357 * @msg: pointer to the msg buffer
2358 * @msglen: msg length
2359 * @msghndl: msg handle
2363 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2364 u32 v_retval, u8 *msg, u16 msglen)
2366 bool err_msg_format = false;
2369 /* Check if VF is disabled. */
2370 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2371 return I40E_ERR_PARAM;
2373 /* Validate message length. */
2375 case I40E_VIRTCHNL_OP_VERSION:
2376 valid_len = sizeof(struct i40e_virtchnl_version_info);
2378 case I40E_VIRTCHNL_OP_RESET_VF:
2380 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2382 valid_len = sizeof(u32);
2384 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2385 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2387 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2388 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2390 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2391 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2392 if (msglen >= valid_len) {
2393 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2394 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2395 valid_len += (vqc->num_queue_pairs *
2397 i40e_virtchnl_queue_pair_info));
2398 if (vqc->num_queue_pairs == 0)
2399 err_msg_format = true;
2402 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2403 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2404 if (msglen >= valid_len) {
2405 struct i40e_virtchnl_irq_map_info *vimi =
2406 (struct i40e_virtchnl_irq_map_info *)msg;
2407 valid_len += (vimi->num_vectors *
2408 sizeof(struct i40e_virtchnl_vector_map));
2409 if (vimi->num_vectors == 0)
2410 err_msg_format = true;
2413 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2414 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2415 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2417 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2418 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2419 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2420 if (msglen >= valid_len) {
2421 struct i40e_virtchnl_ether_addr_list *veal =
2422 (struct i40e_virtchnl_ether_addr_list *)msg;
2423 valid_len += veal->num_elements *
2424 sizeof(struct i40e_virtchnl_ether_addr);
2425 if (veal->num_elements == 0)
2426 err_msg_format = true;
2429 case I40E_VIRTCHNL_OP_ADD_VLAN:
2430 case I40E_VIRTCHNL_OP_DEL_VLAN:
2431 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2432 if (msglen >= valid_len) {
2433 struct i40e_virtchnl_vlan_filter_list *vfl =
2434 (struct i40e_virtchnl_vlan_filter_list *)msg;
2435 valid_len += vfl->num_elements * sizeof(u16);
2436 if (vfl->num_elements == 0)
2437 err_msg_format = true;
2440 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2441 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2443 case I40E_VIRTCHNL_OP_GET_STATS:
2444 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2446 case I40E_VIRTCHNL_OP_IWARP:
2447 /* These messages are opaque to us and will be validated in
2448 * the RDMA client code. We just need to check for nonzero
2449 * length. The firmware will enforce max length restrictions.
2454 err_msg_format = true;
2456 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2459 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2460 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2461 if (msglen >= valid_len) {
2462 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2463 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2464 if (qv->num_vectors == 0) {
2465 err_msg_format = true;
2468 valid_len += ((qv->num_vectors - 1) *
2469 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2472 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2473 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2474 if (msglen >= valid_len) {
2475 struct i40e_virtchnl_rss_key *vrk =
2476 (struct i40e_virtchnl_rss_key *)msg;
2477 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2478 err_msg_format = true;
2481 valid_len += vrk->key_len - 1;
2484 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2485 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2486 if (msglen >= valid_len) {
2487 struct i40e_virtchnl_rss_lut *vrl =
2488 (struct i40e_virtchnl_rss_lut *)msg;
2489 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2490 err_msg_format = true;
2493 valid_len += vrl->lut_entries - 1;
2496 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2498 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2499 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2501 /* These are always errors coming from the VF. */
2502 case I40E_VIRTCHNL_OP_EVENT:
2503 case I40E_VIRTCHNL_OP_UNKNOWN:
2507 /* few more checks */
2508 if ((valid_len != msglen) || (err_msg_format)) {
2509 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2517 * i40e_vc_process_vf_msg
2518 * @pf: pointer to the PF structure
2519 * @vf_id: source VF id
2520 * @msg: pointer to the msg buffer
2521 * @msglen: msg length
2522 * @msghndl: msg handle
2524 * called from the common aeq/arq handler to
2525 * process request from VF
2527 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2528 u32 v_retval, u8 *msg, u16 msglen)
2530 struct i40e_hw *hw = &pf->hw;
2531 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2535 pf->vf_aq_requests++;
2536 if (local_vf_id >= pf->num_alloc_vfs)
2538 vf = &(pf->vf[local_vf_id]);
2539 /* perform basic checks on the msg */
2540 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2543 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2544 local_vf_id, v_opcode, msglen);
2549 case I40E_VIRTCHNL_OP_VERSION:
2550 ret = i40e_vc_get_version_msg(vf, msg);
2552 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2553 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2555 case I40E_VIRTCHNL_OP_RESET_VF:
2556 i40e_vc_reset_vf_msg(vf);
2559 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2560 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2562 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2563 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2565 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2566 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2568 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2569 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2570 i40e_vc_notify_vf_link_state(vf);
2572 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2573 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2575 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2576 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2578 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2579 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2581 case I40E_VIRTCHNL_OP_ADD_VLAN:
2582 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2584 case I40E_VIRTCHNL_OP_DEL_VLAN:
2585 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2587 case I40E_VIRTCHNL_OP_GET_STATS:
2588 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2590 case I40E_VIRTCHNL_OP_IWARP:
2591 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2593 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2594 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2596 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2597 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2599 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2600 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2602 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2603 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2605 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2606 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2608 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2609 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2612 case I40E_VIRTCHNL_OP_UNKNOWN:
2614 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2615 v_opcode, local_vf_id);
2616 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2617 I40E_ERR_NOT_IMPLEMENTED);
2625 * i40e_vc_process_vflr_event
2626 * @pf: pointer to the PF structure
2628 * called from the vlfr irq handler to
2629 * free up VF resources and state variables
2631 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2633 struct i40e_hw *hw = &pf->hw;
2634 u32 reg, reg_idx, bit_idx;
2638 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2641 /* Re-enable the VFLR interrupt cause here, before looking for which
2642 * VF got reset. Otherwise, if another VF gets a reset while the
2643 * first one is being processed, that interrupt will be lost, and
2644 * that VF will be stuck in reset forever.
2646 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2647 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2648 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2651 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2652 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2653 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2654 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2655 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2656 vf = &pf->vf[vf_id];
2657 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2658 if (reg & BIT(bit_idx))
2659 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2660 i40e_reset_vf(vf, true);
2667 * i40e_ndo_set_vf_mac
2668 * @netdev: network interface device structure
2669 * @vf_id: VF identifier
2672 * program VF mac address
2674 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2676 struct i40e_netdev_priv *np = netdev_priv(netdev);
2677 struct i40e_vsi *vsi = np->vsi;
2678 struct i40e_pf *pf = vsi->back;
2679 struct i40e_mac_filter *f;
2684 /* validate the request */
2685 if (vf_id >= pf->num_alloc_vfs) {
2686 dev_err(&pf->pdev->dev,
2687 "Invalid VF Identifier %d\n", vf_id);
2692 vf = &(pf->vf[vf_id]);
2693 vsi = pf->vsi[vf->lan_vsi_idx];
2694 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2695 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2701 if (is_multicast_ether_addr(mac)) {
2702 dev_err(&pf->pdev->dev,
2703 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2708 /* Lock once because below invoked function add/del_filter requires
2709 * mac_filter_hash_lock to be held
2711 spin_lock_bh(&vsi->mac_filter_hash_lock);
2713 /* delete the temporary mac address */
2714 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2715 i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
2717 /* Delete all the filters for this VSI - we're going to kill it
2720 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
2721 __i40e_del_filter(vsi, f);
2723 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2725 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2726 /* program mac filter */
2727 if (i40e_sync_vsi_filters(vsi)) {
2728 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2732 ether_addr_copy(vf->default_lan_addr.addr, mac);
2733 vf->pf_set_mac = true;
2734 /* Force the VF driver stop so it has to reload with new MAC address */
2735 i40e_vc_disable_vf(pf, vf);
2736 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2743 * i40e_ndo_set_vf_port_vlan
2744 * @netdev: network interface device structure
2745 * @vf_id: VF identifier
2746 * @vlan_id: mac address
2747 * @qos: priority setting
2748 * @vlan_proto: vlan protocol
2750 * program VF vlan id and/or qos
2752 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
2753 u16 vlan_id, u8 qos, __be16 vlan_proto)
2755 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2756 struct i40e_netdev_priv *np = netdev_priv(netdev);
2757 struct i40e_pf *pf = np->vsi->back;
2758 struct i40e_vsi *vsi;
2762 /* validate the request */
2763 if (vf_id >= pf->num_alloc_vfs) {
2764 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2769 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2770 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2775 if (vlan_proto != htons(ETH_P_8021Q)) {
2776 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
2777 ret = -EPROTONOSUPPORT;
2781 vf = &(pf->vf[vf_id]);
2782 vsi = pf->vsi[vf->lan_vsi_idx];
2783 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2784 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2790 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2791 /* duplicate request, so just return success */
2794 /* Locked once because multiple functions below iterate list */
2795 spin_lock_bh(&vsi->mac_filter_hash_lock);
2797 if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) {
2798 dev_err(&pf->pdev->dev,
2799 "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",
2801 /* Administrator Error - knock the VF offline until he does
2802 * the right thing by reconfiguring his network correctly
2803 * and then reloading the VF driver.
2805 i40e_vc_disable_vf(pf, vf);
2806 /* During reset the VF got a new VSI, so refresh the pointer. */
2807 vsi = pf->vsi[vf->lan_vsi_idx];
2810 /* Check for condition where there was already a port VLAN ID
2811 * filter set and now it is being deleted by setting it to zero.
2812 * Additionally check for the condition where there was a port
2813 * VLAN but now there is a new and different port VLAN being set.
2814 * Before deleting all the old VLAN filters we must add new ones
2815 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2816 * MAC addresses deleted.
2818 if ((!(vlan_id || qos) ||
2819 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2821 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
2823 dev_info(&vsi->back->pdev->dev,
2824 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2825 vsi->back->hw.aq.asq_last_status);
2826 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2831 if (vsi->info.pvid) {
2832 /* remove all filters on the old VLAN */
2833 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
2838 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2840 i40e_vsi_remove_pvid(vsi);
2843 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2844 vlan_id, qos, vf_id);
2846 /* add new VLAN filter for each MAC */
2847 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
2849 dev_info(&vsi->back->pdev->dev,
2850 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2851 vsi->back->hw.aq.asq_last_status);
2852 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2856 /* remove the previously added non-VLAN MAC filters */
2857 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
2860 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2862 /* Schedule the worker thread to take care of applying changes */
2863 i40e_service_event_schedule(vsi->back);
2866 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2870 /* The Port VLAN needs to be saved across resets the same as the
2871 * default LAN MAC address.
2873 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2880 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2881 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2883 * i40e_ndo_set_vf_bw
2884 * @netdev: network interface device structure
2885 * @vf_id: VF identifier
2888 * configure VF Tx rate
2890 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2893 struct i40e_netdev_priv *np = netdev_priv(netdev);
2894 struct i40e_pf *pf = np->vsi->back;
2895 struct i40e_vsi *vsi;
2900 /* validate the request */
2901 if (vf_id >= pf->num_alloc_vfs) {
2902 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2908 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2909 min_tx_rate, vf_id);
2913 vf = &(pf->vf[vf_id]);
2914 vsi = pf->vsi[vf->lan_vsi_idx];
2915 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2916 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2922 switch (pf->hw.phy.link_info.link_speed) {
2923 case I40E_LINK_SPEED_40GB:
2926 case I40E_LINK_SPEED_25GB:
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.\n",
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");