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 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id),
707 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id),
711 /* program mac filter */
712 ret = i40e_sync_vsi_filters(vsi);
714 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
716 /* Set VF bandwidth if specified */
718 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
719 vf->tx_rate / 50, 0, NULL);
721 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
730 * i40e_enable_vf_mappings
731 * @vf: pointer to the VF info
735 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
737 struct i40e_pf *pf = vf->pf;
738 struct i40e_hw *hw = &pf->hw;
739 u32 reg, total_queue_pairs = 0;
742 /* Tell the hardware we're using noncontiguous mapping. HW requires
743 * that VF queues be mapped using this method, even when they are
744 * contiguous in real life
746 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
747 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
749 /* enable VF vplan_qtable mappings */
750 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
751 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
753 /* map PF queues to VF queues */
754 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
755 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
757 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
758 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
762 /* map PF queues to VSI */
763 for (j = 0; j < 7; j++) {
764 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
765 reg = 0x07FF07FF; /* unused */
767 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
770 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
774 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
782 * i40e_disable_vf_mappings
783 * @vf: pointer to the VF info
785 * disable VF mappings
787 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
789 struct i40e_pf *pf = vf->pf;
790 struct i40e_hw *hw = &pf->hw;
793 /* disable qp mappings */
794 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
795 for (i = 0; i < I40E_MAX_VSI_QP; i++)
796 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
797 I40E_QUEUE_END_OF_LIST);
803 * @vf: pointer to the VF info
807 static void i40e_free_vf_res(struct i40e_vf *vf)
809 struct i40e_pf *pf = vf->pf;
810 struct i40e_hw *hw = &pf->hw;
814 /* free vsi & disconnect it from the parent uplink */
815 if (vf->lan_vsi_idx) {
816 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
821 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
823 /* disable interrupts so the VF starts in a known state */
824 for (i = 0; i < msix_vf; i++) {
825 /* format is same for both registers */
827 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
829 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
832 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
836 /* clear the irq settings */
837 for (i = 0; i < msix_vf; i++) {
838 /* format is same for both registers */
840 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
842 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
845 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
846 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
847 wr32(hw, reg_idx, reg);
850 /* reset some of the state variables keeping track of the resources */
851 vf->num_queue_pairs = 0;
853 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
858 * @vf: pointer to the VF info
860 * allocate VF resources
862 static int i40e_alloc_vf_res(struct i40e_vf *vf)
864 struct i40e_pf *pf = vf->pf;
865 int total_queue_pairs = 0;
868 /* allocate hw vsi context & associated resources */
869 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
872 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
875 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
877 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
879 /* store the total qps number for the runtime
882 vf->num_queue_pairs = total_queue_pairs;
884 /* VF is now completely initialized */
885 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
889 i40e_free_vf_res(vf);
894 #define VF_DEVICE_STATUS 0xAA
895 #define VF_TRANS_PENDING_MASK 0x20
897 * i40e_quiesce_vf_pci
898 * @vf: pointer to the VF structure
900 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
901 * if the transactions never clear.
903 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
905 struct i40e_pf *pf = vf->pf;
906 struct i40e_hw *hw = &pf->hw;
910 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
912 wr32(hw, I40E_PF_PCI_CIAA,
913 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
914 for (i = 0; i < 100; i++) {
915 reg = rd32(hw, I40E_PF_PCI_CIAD);
916 if ((reg & VF_TRANS_PENDING_MASK) == 0)
925 * @vf: pointer to the VF structure
926 * @flr: VFLR was issued or not
930 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
932 struct i40e_pf *pf = vf->pf;
933 struct i40e_hw *hw = &pf->hw;
934 u32 reg, reg_idx, bit_idx;
938 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
942 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
944 /* In the case of a VFLR, the HW has already reset the VF and we
945 * just need to clean up, so don't hit the VFRTRIG register.
948 /* reset VF using VPGEN_VFRTRIG reg */
949 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
950 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
951 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
954 /* clear the VFLR bit in GLGEN_VFLRSTAT */
955 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
956 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
957 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
960 if (i40e_quiesce_vf_pci(vf))
961 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
964 /* poll VPGEN_VFRSTAT reg to make sure
965 * that reset is complete
967 for (i = 0; i < 10; i++) {
968 /* VF reset requires driver to first reset the VF and then
969 * poll the status register to make sure that the reset
970 * completed successfully. Due to internal HW FIFO flushes,
971 * we must wait 10ms before the register will be valid.
973 usleep_range(10000, 20000);
974 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
975 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
982 usleep_range(10000, 20000);
985 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
987 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
988 /* clear the reset bit in the VPGEN_VFRTRIG reg */
989 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
990 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
991 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
993 /* On initial reset, we won't have any queues */
994 if (vf->lan_vsi_idx == 0)
997 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
999 /* reallocate VF resources to reset the VSI state */
1000 i40e_free_vf_res(vf);
1001 if (!i40e_alloc_vf_res(vf)) {
1002 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1003 i40e_enable_vf_mappings(vf);
1004 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1005 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1006 /* Do not notify the client during VF init */
1007 if (vf->pf->num_alloc_vfs)
1008 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1011 /* tell the VF the reset is done */
1012 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
1015 clear_bit(__I40E_VF_DISABLE, &pf->state);
1020 * @pf: pointer to the PF structure
1024 void i40e_free_vfs(struct i40e_pf *pf)
1026 struct i40e_hw *hw = &pf->hw;
1027 u32 reg_idx, bit_idx;
1032 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1033 usleep_range(1000, 2000);
1035 i40e_notify_client_of_vf_enable(pf, 0);
1036 for (i = 0; i < pf->num_alloc_vfs; i++)
1037 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1038 i40e_vsi_stop_rings(pf->vsi[pf->vf[i].lan_vsi_idx]);
1040 /* Disable IOV before freeing resources. This lets any VF drivers
1041 * running in the host get themselves cleaned up before we yank
1042 * the carpet out from underneath their feet.
1044 if (!pci_vfs_assigned(pf->pdev))
1045 pci_disable_sriov(pf->pdev);
1047 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1049 msleep(20); /* let any messages in transit get finished up */
1051 /* free up VF resources */
1052 tmp = pf->num_alloc_vfs;
1053 pf->num_alloc_vfs = 0;
1054 for (i = 0; i < tmp; i++) {
1055 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1056 i40e_free_vf_res(&pf->vf[i]);
1057 /* disable qp mappings */
1058 i40e_disable_vf_mappings(&pf->vf[i]);
1064 /* This check is for when the driver is unloaded while VFs are
1065 * assigned. Setting the number of VFs to 0 through sysfs is caught
1066 * before this function ever gets called.
1068 if (!pci_vfs_assigned(pf->pdev)) {
1069 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1070 * work correctly when SR-IOV gets re-enabled.
1072 for (vf_id = 0; vf_id < tmp; vf_id++) {
1073 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1074 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1075 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1078 clear_bit(__I40E_VF_DISABLE, &pf->state);
1081 #ifdef CONFIG_PCI_IOV
1084 * @pf: pointer to the PF structure
1085 * @num_alloc_vfs: number of VFs to allocate
1087 * allocate VF resources
1089 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1091 struct i40e_vf *vfs;
1094 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1095 i40e_irq_dynamic_disable_icr0(pf);
1097 /* Check to see if we're just allocating resources for extant VFs */
1098 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1099 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1101 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1102 pf->num_alloc_vfs = 0;
1106 /* allocate memory */
1107 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1114 /* apply default profile */
1115 for (i = 0; i < num_alloc_vfs; i++) {
1117 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1120 /* assign default capabilities */
1121 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1122 vfs[i].spoofchk = true;
1123 /* VF resources get allocated during reset */
1124 i40e_reset_vf(&vfs[i], false);
1127 pf->num_alloc_vfs = num_alloc_vfs;
1129 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1135 /* Re-enable interrupt 0. */
1136 i40e_irq_dynamic_enable_icr0(pf, false);
1142 * i40e_pci_sriov_enable
1143 * @pdev: pointer to a pci_dev structure
1144 * @num_vfs: number of VFs to allocate
1146 * Enable or change the number of VFs
1148 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1150 #ifdef CONFIG_PCI_IOV
1151 struct i40e_pf *pf = pci_get_drvdata(pdev);
1152 int pre_existing_vfs = pci_num_vf(pdev);
1155 if (test_bit(__I40E_TESTING, &pf->state)) {
1156 dev_warn(&pdev->dev,
1157 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1162 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1164 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1167 if (num_vfs > pf->num_req_vfs) {
1168 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1169 num_vfs, pf->num_req_vfs);
1174 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1175 err = i40e_alloc_vfs(pf, num_vfs);
1177 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1191 * i40e_pci_sriov_configure
1192 * @pdev: pointer to a pci_dev structure
1193 * @num_vfs: number of VFs to allocate
1195 * Enable or change the number of VFs. Called when the user updates the number
1198 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1200 struct i40e_pf *pf = pci_get_drvdata(pdev);
1203 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1204 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1205 i40e_do_reset_safe(pf,
1206 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1208 return i40e_pci_sriov_enable(pdev, num_vfs);
1211 if (!pci_vfs_assigned(pf->pdev)) {
1213 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1214 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1216 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1222 /***********************virtual channel routines******************/
1225 * i40e_vc_send_msg_to_vf
1226 * @vf: pointer to the VF info
1227 * @v_opcode: virtual channel opcode
1228 * @v_retval: virtual channel return value
1229 * @msg: pointer to the msg buffer
1230 * @msglen: msg length
1234 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1235 u32 v_retval, u8 *msg, u16 msglen)
1242 /* validate the request */
1243 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1248 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1250 /* single place to detect unsuccessful return values */
1252 vf->num_invalid_msgs++;
1253 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1254 vf->vf_id, v_opcode, v_retval);
1255 if (vf->num_invalid_msgs >
1256 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1257 dev_err(&pf->pdev->dev,
1258 "Number of invalid messages exceeded for VF %d\n",
1260 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1261 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1264 vf->num_valid_msgs++;
1265 /* reset the invalid counter, if a valid message is received. */
1266 vf->num_invalid_msgs = 0;
1269 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1272 dev_info(&pf->pdev->dev,
1273 "Unable to send the message to VF %d aq_err %d\n",
1274 vf->vf_id, pf->hw.aq.asq_last_status);
1282 * i40e_vc_send_resp_to_vf
1283 * @vf: pointer to the VF info
1284 * @opcode: operation code
1285 * @retval: return value
1287 * send resp msg to VF
1289 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1290 enum i40e_virtchnl_ops opcode,
1293 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1297 * i40e_vc_get_version_msg
1298 * @vf: pointer to the VF info
1300 * called from the VF to request the API version used by the PF
1302 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1304 struct i40e_virtchnl_version_info info = {
1305 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1308 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1309 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1311 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1312 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1313 I40E_SUCCESS, (u8 *)&info,
1315 i40e_virtchnl_version_info));
1319 * i40e_vc_get_vf_resources_msg
1320 * @vf: pointer to the VF info
1321 * @msg: pointer to the msg buffer
1322 * @msglen: msg length
1324 * called from the VF to request its resources
1326 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1328 struct i40e_virtchnl_vf_resource *vfres = NULL;
1329 struct i40e_pf *pf = vf->pf;
1330 i40e_status aq_ret = 0;
1331 struct i40e_vsi *vsi;
1336 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1337 aq_ret = I40E_ERR_PARAM;
1341 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1342 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1344 vfres = kzalloc(len, GFP_KERNEL);
1346 aq_ret = I40E_ERR_NO_MEMORY;
1351 vf->driver_caps = *(u32 *)msg;
1353 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1354 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1355 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1357 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1358 vsi = pf->vsi[vf->lan_vsi_idx];
1359 if (!vsi->info.pvid)
1360 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1362 if (i40e_vf_client_capable(pf, vf->vf_id, I40E_CLIENT_IWARP) &&
1363 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1364 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1365 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1368 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1369 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1371 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1372 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1373 vfres->vf_offload_flags |=
1374 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1376 vfres->vf_offload_flags |=
1377 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1380 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1381 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1382 vfres->vf_offload_flags |=
1383 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1386 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1387 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1388 dev_err(&pf->pdev->dev,
1389 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1391 ret = I40E_ERR_PARAM;
1394 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1397 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1398 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1399 vfres->vf_offload_flags |=
1400 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1403 vfres->num_vsis = num_vsis;
1404 vfres->num_queue_pairs = vf->num_queue_pairs;
1405 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1406 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1407 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1409 if (vf->lan_vsi_idx) {
1410 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1411 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1412 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1413 /* VFs only use TC 0 */
1414 vfres->vsi_res[0].qset_handle
1415 = le16_to_cpu(vsi->info.qs_handle[0]);
1416 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1417 vf->default_lan_addr.addr);
1419 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1422 /* send the response back to the VF */
1423 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1424 aq_ret, (u8 *)vfres, len);
1431 * i40e_vc_reset_vf_msg
1432 * @vf: pointer to the VF info
1433 * @msg: pointer to the msg buffer
1434 * @msglen: msg length
1436 * called from the VF to reset itself,
1437 * unlike other virtchnl messages, PF driver
1438 * doesn't send the response back to the VF
1440 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1442 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1443 i40e_reset_vf(vf, false);
1447 * i40e_getnum_vf_vsi_vlan_filters
1448 * @vsi: pointer to the vsi
1450 * called to get the number of VLANs offloaded on this VF
1452 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1454 struct i40e_mac_filter *f;
1455 int num_vlans = 0, bkt;
1457 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1458 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1466 * i40e_vc_config_promiscuous_mode_msg
1467 * @vf: pointer to the VF info
1468 * @msg: pointer to the msg buffer
1469 * @msglen: msg length
1471 * called from the VF to configure the promiscuous mode of
1474 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1475 u8 *msg, u16 msglen)
1477 struct i40e_virtchnl_promisc_info *info =
1478 (struct i40e_virtchnl_promisc_info *)msg;
1479 struct i40e_pf *pf = vf->pf;
1480 struct i40e_hw *hw = &pf->hw;
1481 struct i40e_mac_filter *f;
1482 i40e_status aq_ret = 0;
1483 bool allmulti = false;
1484 struct i40e_vsi *vsi;
1485 bool alluni = false;
1489 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1490 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1491 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1493 aq_ret = I40E_ERR_PARAM;
1496 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1497 dev_err(&pf->pdev->dev,
1498 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1500 /* Lie to the VF on purpose. */
1504 /* Multicast promiscuous handling*/
1505 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1508 if (vf->port_vlan_id) {
1509 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1513 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1514 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1515 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1517 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1522 aq_err = pf->hw.aq.asq_last_status;
1524 dev_err(&pf->pdev->dev,
1525 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1527 i40e_stat_str(&pf->hw, aq_ret),
1528 i40e_aq_str(&pf->hw, aq_err));
1533 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1535 aq_err = pf->hw.aq.asq_last_status;
1537 dev_err(&pf->pdev->dev,
1538 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1540 i40e_stat_str(&pf->hw, aq_ret),
1541 i40e_aq_str(&pf->hw, aq_err));
1547 dev_info(&pf->pdev->dev,
1548 "VF %d successfully set multicast promiscuous mode\n",
1551 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1553 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1556 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1558 if (vf->port_vlan_id) {
1559 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1563 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1564 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1566 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1568 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1573 aq_err = pf->hw.aq.asq_last_status;
1576 dev_err(&pf->pdev->dev,
1577 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1579 i40e_stat_str(&pf->hw, aq_ret),
1580 i40e_aq_str(&pf->hw, aq_err));
1583 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1586 aq_err = pf->hw.aq.asq_last_status;
1588 dev_err(&pf->pdev->dev,
1589 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1590 vf->vf_id, info->flags,
1591 i40e_stat_str(&pf->hw, aq_ret),
1592 i40e_aq_str(&pf->hw, aq_err));
1598 dev_info(&pf->pdev->dev,
1599 "VF %d successfully set unicast promiscuous mode\n",
1602 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1604 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1608 /* send the response to the VF */
1609 return i40e_vc_send_resp_to_vf(vf,
1610 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1615 * i40e_vc_config_queues_msg
1616 * @vf: pointer to the VF info
1617 * @msg: pointer to the msg buffer
1618 * @msglen: msg length
1620 * called from the VF to configure the rx/tx
1623 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1625 struct i40e_virtchnl_vsi_queue_config_info *qci =
1626 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1627 struct i40e_virtchnl_queue_pair_info *qpi;
1628 struct i40e_pf *pf = vf->pf;
1629 u16 vsi_id, vsi_queue_id;
1630 i40e_status aq_ret = 0;
1633 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1634 aq_ret = I40E_ERR_PARAM;
1638 vsi_id = qci->vsi_id;
1639 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1640 aq_ret = I40E_ERR_PARAM;
1643 for (i = 0; i < qci->num_queue_pairs; i++) {
1644 qpi = &qci->qpair[i];
1645 vsi_queue_id = qpi->txq.queue_id;
1646 if ((qpi->txq.vsi_id != vsi_id) ||
1647 (qpi->rxq.vsi_id != vsi_id) ||
1648 (qpi->rxq.queue_id != vsi_queue_id) ||
1649 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1650 aq_ret = I40E_ERR_PARAM;
1654 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1656 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1658 aq_ret = I40E_ERR_PARAM;
1662 /* set vsi num_queue_pairs in use to num configured by VF */
1663 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1666 /* send the response to the VF */
1667 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1672 * i40e_vc_config_irq_map_msg
1673 * @vf: pointer to the VF info
1674 * @msg: pointer to the msg buffer
1675 * @msglen: msg length
1677 * called from the VF to configure the irq to
1680 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1682 struct i40e_virtchnl_irq_map_info *irqmap_info =
1683 (struct i40e_virtchnl_irq_map_info *)msg;
1684 struct i40e_virtchnl_vector_map *map;
1685 u16 vsi_id, vsi_queue_id, vector_id;
1686 i40e_status aq_ret = 0;
1687 unsigned long tempmap;
1690 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1691 aq_ret = I40E_ERR_PARAM;
1695 for (i = 0; i < irqmap_info->num_vectors; i++) {
1696 map = &irqmap_info->vecmap[i];
1698 vector_id = map->vector_id;
1699 vsi_id = map->vsi_id;
1700 /* validate msg params */
1701 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1702 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1703 aq_ret = I40E_ERR_PARAM;
1707 /* lookout for the invalid queue index */
1708 tempmap = map->rxq_map;
1709 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1710 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1712 aq_ret = I40E_ERR_PARAM;
1717 tempmap = map->txq_map;
1718 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1719 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1721 aq_ret = I40E_ERR_PARAM;
1726 i40e_config_irq_link_list(vf, vsi_id, map);
1729 /* send the response to the VF */
1730 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1735 * i40e_vc_enable_queues_msg
1736 * @vf: pointer to the VF info
1737 * @msg: pointer to the msg buffer
1738 * @msglen: msg length
1740 * called from the VF to enable all or specific queue(s)
1742 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1744 struct i40e_virtchnl_queue_select *vqs =
1745 (struct i40e_virtchnl_queue_select *)msg;
1746 struct i40e_pf *pf = vf->pf;
1747 u16 vsi_id = vqs->vsi_id;
1748 i40e_status aq_ret = 0;
1750 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1751 aq_ret = I40E_ERR_PARAM;
1755 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1756 aq_ret = I40E_ERR_PARAM;
1760 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1761 aq_ret = I40E_ERR_PARAM;
1765 if (i40e_vsi_start_rings(pf->vsi[vf->lan_vsi_idx]))
1766 aq_ret = I40E_ERR_TIMEOUT;
1768 /* send the response to the VF */
1769 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1774 * i40e_vc_disable_queues_msg
1775 * @vf: pointer to the VF info
1776 * @msg: pointer to the msg buffer
1777 * @msglen: msg length
1779 * called from the VF to disable all or specific
1782 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1784 struct i40e_virtchnl_queue_select *vqs =
1785 (struct i40e_virtchnl_queue_select *)msg;
1786 struct i40e_pf *pf = vf->pf;
1787 i40e_status aq_ret = 0;
1789 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1790 aq_ret = I40E_ERR_PARAM;
1794 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1795 aq_ret = I40E_ERR_PARAM;
1799 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1800 aq_ret = I40E_ERR_PARAM;
1804 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1807 /* send the response to the VF */
1808 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1813 * i40e_vc_get_stats_msg
1814 * @vf: pointer to the VF info
1815 * @msg: pointer to the msg buffer
1816 * @msglen: msg length
1818 * called from the VF to get vsi stats
1820 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1822 struct i40e_virtchnl_queue_select *vqs =
1823 (struct i40e_virtchnl_queue_select *)msg;
1824 struct i40e_pf *pf = vf->pf;
1825 struct i40e_eth_stats stats;
1826 i40e_status aq_ret = 0;
1827 struct i40e_vsi *vsi;
1829 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1831 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1832 aq_ret = I40E_ERR_PARAM;
1836 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1837 aq_ret = I40E_ERR_PARAM;
1841 vsi = pf->vsi[vf->lan_vsi_idx];
1843 aq_ret = I40E_ERR_PARAM;
1846 i40e_update_eth_stats(vsi);
1847 stats = vsi->eth_stats;
1850 /* send the response back to the VF */
1851 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1852 (u8 *)&stats, sizeof(stats));
1855 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1856 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1857 #define I40E_VC_MAX_VLAN_PER_VF 8
1860 * i40e_check_vf_permission
1861 * @vf: pointer to the VF info
1862 * @macaddr: pointer to the MAC Address being checked
1864 * Check if the VF has permission to add or delete unicast MAC address
1865 * filters and return error code -EPERM if not. Then check if the
1866 * address filter requested is broadcast or zero and if so return
1867 * an invalid MAC address error code.
1869 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1871 struct i40e_pf *pf = vf->pf;
1874 if (is_broadcast_ether_addr(macaddr) ||
1875 is_zero_ether_addr(macaddr)) {
1876 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1877 ret = I40E_ERR_INVALID_MAC_ADDR;
1878 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1879 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1880 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1881 /* If the host VMM administrator has set the VF MAC address
1882 * administratively via the ndo_set_vf_mac command then deny
1883 * permission to the VF to add or delete unicast MAC addresses.
1884 * Unless the VF is privileged and then it can do whatever.
1885 * The VF may request to set the MAC address filter already
1886 * assigned to it so do not return an error in that case.
1888 dev_err(&pf->pdev->dev,
1889 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1891 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1892 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1893 dev_err(&pf->pdev->dev,
1894 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1901 * i40e_vc_add_mac_addr_msg
1902 * @vf: pointer to the VF info
1903 * @msg: pointer to the msg buffer
1904 * @msglen: msg length
1906 * add guest mac address filter
1908 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1910 struct i40e_virtchnl_ether_addr_list *al =
1911 (struct i40e_virtchnl_ether_addr_list *)msg;
1912 struct i40e_pf *pf = vf->pf;
1913 struct i40e_vsi *vsi = NULL;
1914 u16 vsi_id = al->vsi_id;
1915 i40e_status ret = 0;
1918 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1919 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1920 ret = I40E_ERR_PARAM;
1924 for (i = 0; i < al->num_elements; i++) {
1925 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1929 vsi = pf->vsi[vf->lan_vsi_idx];
1931 /* Lock once, because all function inside for loop accesses VSI's
1932 * MAC filter list which needs to be protected using same lock.
1934 spin_lock_bh(&vsi->mac_filter_hash_lock);
1936 /* add new addresses to the list */
1937 for (i = 0; i < al->num_elements; i++) {
1938 struct i40e_mac_filter *f;
1940 f = i40e_find_mac(vsi, al->list[i].addr);
1942 f = i40e_add_mac_filter(vsi, al->list[i].addr);
1945 dev_err(&pf->pdev->dev,
1946 "Unable to add MAC filter %pM for VF %d\n",
1947 al->list[i].addr, vf->vf_id);
1948 ret = I40E_ERR_PARAM;
1949 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1955 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1957 /* program the updated filter list */
1958 ret = i40e_sync_vsi_filters(vsi);
1960 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1964 /* send the response to the VF */
1965 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1970 * i40e_vc_del_mac_addr_msg
1971 * @vf: pointer to the VF info
1972 * @msg: pointer to the msg buffer
1973 * @msglen: msg length
1975 * remove guest mac address filter
1977 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1979 struct i40e_virtchnl_ether_addr_list *al =
1980 (struct i40e_virtchnl_ether_addr_list *)msg;
1981 struct i40e_pf *pf = vf->pf;
1982 struct i40e_vsi *vsi = NULL;
1983 u16 vsi_id = al->vsi_id;
1984 i40e_status ret = 0;
1987 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1988 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1989 ret = I40E_ERR_PARAM;
1993 for (i = 0; i < al->num_elements; i++) {
1994 if (is_broadcast_ether_addr(al->list[i].addr) ||
1995 is_zero_ether_addr(al->list[i].addr)) {
1996 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
1997 al->list[i].addr, vf->vf_id);
1998 ret = I40E_ERR_INVALID_MAC_ADDR;
2002 vsi = pf->vsi[vf->lan_vsi_idx];
2004 spin_lock_bh(&vsi->mac_filter_hash_lock);
2005 /* delete addresses from the list */
2006 for (i = 0; i < al->num_elements; i++)
2007 if (i40e_del_mac_filter(vsi, al->list[i].addr)) {
2008 ret = I40E_ERR_INVALID_MAC_ADDR;
2009 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2015 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2017 /* program the updated filter list */
2018 ret = i40e_sync_vsi_filters(vsi);
2020 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2024 /* send the response to the VF */
2025 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2030 * i40e_vc_add_vlan_msg
2031 * @vf: pointer to the VF info
2032 * @msg: pointer to the msg buffer
2033 * @msglen: msg length
2035 * program guest vlan id
2037 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2039 struct i40e_virtchnl_vlan_filter_list *vfl =
2040 (struct i40e_virtchnl_vlan_filter_list *)msg;
2041 struct i40e_pf *pf = vf->pf;
2042 struct i40e_vsi *vsi = NULL;
2043 u16 vsi_id = vfl->vsi_id;
2044 i40e_status aq_ret = 0;
2047 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2048 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2049 dev_err(&pf->pdev->dev,
2050 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2053 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2054 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2055 aq_ret = I40E_ERR_PARAM;
2059 for (i = 0; i < vfl->num_elements; i++) {
2060 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2061 aq_ret = I40E_ERR_PARAM;
2062 dev_err(&pf->pdev->dev,
2063 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2067 vsi = pf->vsi[vf->lan_vsi_idx];
2068 if (vsi->info.pvid) {
2069 aq_ret = I40E_ERR_PARAM;
2073 i40e_vlan_stripping_enable(vsi);
2074 for (i = 0; i < vfl->num_elements; i++) {
2075 /* add new VLAN filter */
2076 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2080 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2081 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2085 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2086 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2092 dev_err(&pf->pdev->dev,
2093 "Unable to add VLAN filter %d for VF %d, error %d\n",
2094 vfl->vlan_id[i], vf->vf_id, ret);
2098 /* send the response to the VF */
2099 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2103 * i40e_vc_remove_vlan_msg
2104 * @vf: pointer to the VF info
2105 * @msg: pointer to the msg buffer
2106 * @msglen: msg length
2108 * remove programmed guest vlan id
2110 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2112 struct i40e_virtchnl_vlan_filter_list *vfl =
2113 (struct i40e_virtchnl_vlan_filter_list *)msg;
2114 struct i40e_pf *pf = vf->pf;
2115 struct i40e_vsi *vsi = NULL;
2116 u16 vsi_id = vfl->vsi_id;
2117 i40e_status aq_ret = 0;
2120 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2121 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2122 aq_ret = I40E_ERR_PARAM;
2126 for (i = 0; i < vfl->num_elements; i++) {
2127 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2128 aq_ret = I40E_ERR_PARAM;
2133 vsi = pf->vsi[vf->lan_vsi_idx];
2134 if (vsi->info.pvid) {
2135 aq_ret = I40E_ERR_PARAM;
2139 for (i = 0; i < vfl->num_elements; i++) {
2140 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2143 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2144 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2148 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2149 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2156 /* send the response to the VF */
2157 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2162 * @vf: pointer to the VF info
2163 * @msg: pointer to the msg buffer
2164 * @msglen: msg length
2166 * called from the VF for the iwarp msgs
2168 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2170 struct i40e_pf *pf = vf->pf;
2171 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2172 i40e_status aq_ret = 0;
2174 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2175 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2176 aq_ret = I40E_ERR_PARAM;
2180 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2184 /* send the response to the VF */
2185 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2190 * i40e_vc_iwarp_qvmap_msg
2191 * @vf: pointer to the VF info
2192 * @msg: pointer to the msg buffer
2193 * @msglen: msg length
2194 * @config: config qvmap or release it
2196 * called from the VF for the iwarp msgs
2198 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2201 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2202 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2203 i40e_status aq_ret = 0;
2205 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2206 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2207 aq_ret = I40E_ERR_PARAM;
2212 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2213 aq_ret = I40E_ERR_PARAM;
2215 i40e_release_iwarp_qvlist(vf);
2219 /* send the response to the VF */
2220 return i40e_vc_send_resp_to_vf(vf,
2221 config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2222 I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2227 * i40e_vc_config_rss_key
2228 * @vf: pointer to the VF info
2229 * @msg: pointer to the msg buffer
2230 * @msglen: msg length
2232 * Configure the VF's RSS key
2234 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2236 struct i40e_virtchnl_rss_key *vrk =
2237 (struct i40e_virtchnl_rss_key *)msg;
2238 struct i40e_pf *pf = vf->pf;
2239 struct i40e_vsi *vsi = NULL;
2240 u16 vsi_id = vrk->vsi_id;
2241 i40e_status aq_ret = 0;
2243 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2244 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2245 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2246 aq_ret = I40E_ERR_PARAM;
2250 vsi = pf->vsi[vf->lan_vsi_idx];
2251 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2253 /* send the response to the VF */
2254 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2259 * i40e_vc_config_rss_lut
2260 * @vf: pointer to the VF info
2261 * @msg: pointer to the msg buffer
2262 * @msglen: msg length
2264 * Configure the VF's RSS LUT
2266 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2268 struct i40e_virtchnl_rss_lut *vrl =
2269 (struct i40e_virtchnl_rss_lut *)msg;
2270 struct i40e_pf *pf = vf->pf;
2271 struct i40e_vsi *vsi = NULL;
2272 u16 vsi_id = vrl->vsi_id;
2273 i40e_status aq_ret = 0;
2275 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2276 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2277 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2278 aq_ret = I40E_ERR_PARAM;
2282 vsi = pf->vsi[vf->lan_vsi_idx];
2283 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2284 /* send the response to the VF */
2286 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2291 * i40e_vc_get_rss_hena
2292 * @vf: pointer to the VF info
2293 * @msg: pointer to the msg buffer
2294 * @msglen: msg length
2296 * Return the RSS HENA bits allowed by the hardware
2298 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2300 struct i40e_virtchnl_rss_hena *vrh = NULL;
2301 struct i40e_pf *pf = vf->pf;
2302 i40e_status aq_ret = 0;
2305 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2306 aq_ret = I40E_ERR_PARAM;
2309 len = sizeof(struct i40e_virtchnl_rss_hena);
2311 vrh = kzalloc(len, GFP_KERNEL);
2313 aq_ret = I40E_ERR_NO_MEMORY;
2317 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2319 /* send the response back to the VF */
2320 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2321 aq_ret, (u8 *)vrh, len);
2327 * i40e_vc_set_rss_hena
2328 * @vf: pointer to the VF info
2329 * @msg: pointer to the msg buffer
2330 * @msglen: msg length
2332 * Set the RSS HENA bits for the VF
2334 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2336 struct i40e_virtchnl_rss_hena *vrh =
2337 (struct i40e_virtchnl_rss_hena *)msg;
2338 struct i40e_pf *pf = vf->pf;
2339 struct i40e_hw *hw = &pf->hw;
2340 i40e_status aq_ret = 0;
2342 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2343 aq_ret = I40E_ERR_PARAM;
2346 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2347 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2348 (u32)(vrh->hena >> 32));
2350 /* send the response to the VF */
2352 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2357 * i40e_vc_validate_vf_msg
2358 * @vf: pointer to the VF info
2359 * @msg: pointer to the msg buffer
2360 * @msglen: msg length
2361 * @msghndl: msg handle
2365 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2366 u32 v_retval, u8 *msg, u16 msglen)
2368 bool err_msg_format = false;
2371 /* Check if VF is disabled. */
2372 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2373 return I40E_ERR_PARAM;
2375 /* Validate message length. */
2377 case I40E_VIRTCHNL_OP_VERSION:
2378 valid_len = sizeof(struct i40e_virtchnl_version_info);
2380 case I40E_VIRTCHNL_OP_RESET_VF:
2382 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2384 valid_len = sizeof(u32);
2386 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2387 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2389 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2390 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2392 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2393 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2394 if (msglen >= valid_len) {
2395 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2396 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2397 valid_len += (vqc->num_queue_pairs *
2399 i40e_virtchnl_queue_pair_info));
2400 if (vqc->num_queue_pairs == 0)
2401 err_msg_format = true;
2404 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2405 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2406 if (msglen >= valid_len) {
2407 struct i40e_virtchnl_irq_map_info *vimi =
2408 (struct i40e_virtchnl_irq_map_info *)msg;
2409 valid_len += (vimi->num_vectors *
2410 sizeof(struct i40e_virtchnl_vector_map));
2411 if (vimi->num_vectors == 0)
2412 err_msg_format = true;
2415 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2416 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2417 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2419 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2420 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2421 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2422 if (msglen >= valid_len) {
2423 struct i40e_virtchnl_ether_addr_list *veal =
2424 (struct i40e_virtchnl_ether_addr_list *)msg;
2425 valid_len += veal->num_elements *
2426 sizeof(struct i40e_virtchnl_ether_addr);
2427 if (veal->num_elements == 0)
2428 err_msg_format = true;
2431 case I40E_VIRTCHNL_OP_ADD_VLAN:
2432 case I40E_VIRTCHNL_OP_DEL_VLAN:
2433 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2434 if (msglen >= valid_len) {
2435 struct i40e_virtchnl_vlan_filter_list *vfl =
2436 (struct i40e_virtchnl_vlan_filter_list *)msg;
2437 valid_len += vfl->num_elements * sizeof(u16);
2438 if (vfl->num_elements == 0)
2439 err_msg_format = true;
2442 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2443 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2445 case I40E_VIRTCHNL_OP_GET_STATS:
2446 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2448 case I40E_VIRTCHNL_OP_IWARP:
2449 /* These messages are opaque to us and will be validated in
2450 * the RDMA client code. We just need to check for nonzero
2451 * length. The firmware will enforce max length restrictions.
2456 err_msg_format = true;
2458 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2461 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2462 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2463 if (msglen >= valid_len) {
2464 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2465 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2466 if (qv->num_vectors == 0) {
2467 err_msg_format = true;
2470 valid_len += ((qv->num_vectors - 1) *
2471 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2474 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2475 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2476 if (msglen >= valid_len) {
2477 struct i40e_virtchnl_rss_key *vrk =
2478 (struct i40e_virtchnl_rss_key *)msg;
2479 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2480 err_msg_format = true;
2483 valid_len += vrk->key_len - 1;
2486 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2487 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2488 if (msglen >= valid_len) {
2489 struct i40e_virtchnl_rss_lut *vrl =
2490 (struct i40e_virtchnl_rss_lut *)msg;
2491 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2492 err_msg_format = true;
2495 valid_len += vrl->lut_entries - 1;
2498 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2500 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2501 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2503 /* These are always errors coming from the VF. */
2504 case I40E_VIRTCHNL_OP_EVENT:
2505 case I40E_VIRTCHNL_OP_UNKNOWN:
2509 /* few more checks */
2510 if ((valid_len != msglen) || (err_msg_format)) {
2511 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2519 * i40e_vc_process_vf_msg
2520 * @pf: pointer to the PF structure
2521 * @vf_id: source VF id
2522 * @msg: pointer to the msg buffer
2523 * @msglen: msg length
2524 * @msghndl: msg handle
2526 * called from the common aeq/arq handler to
2527 * process request from VF
2529 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2530 u32 v_retval, u8 *msg, u16 msglen)
2532 struct i40e_hw *hw = &pf->hw;
2533 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2537 pf->vf_aq_requests++;
2538 if (local_vf_id >= pf->num_alloc_vfs)
2540 vf = &(pf->vf[local_vf_id]);
2541 /* perform basic checks on the msg */
2542 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2545 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2546 local_vf_id, v_opcode, msglen);
2551 case I40E_VIRTCHNL_OP_VERSION:
2552 ret = i40e_vc_get_version_msg(vf, msg);
2554 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2555 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2557 case I40E_VIRTCHNL_OP_RESET_VF:
2558 i40e_vc_reset_vf_msg(vf);
2561 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2562 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2564 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2565 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2567 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2568 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2570 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2571 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2572 i40e_vc_notify_vf_link_state(vf);
2574 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2575 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2577 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2578 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2580 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2581 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2583 case I40E_VIRTCHNL_OP_ADD_VLAN:
2584 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2586 case I40E_VIRTCHNL_OP_DEL_VLAN:
2587 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2589 case I40E_VIRTCHNL_OP_GET_STATS:
2590 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2592 case I40E_VIRTCHNL_OP_IWARP:
2593 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2595 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2596 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2598 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2599 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2601 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2602 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2604 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2605 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2607 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2608 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2610 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2611 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2614 case I40E_VIRTCHNL_OP_UNKNOWN:
2616 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2617 v_opcode, local_vf_id);
2618 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2619 I40E_ERR_NOT_IMPLEMENTED);
2627 * i40e_vc_process_vflr_event
2628 * @pf: pointer to the PF structure
2630 * called from the vlfr irq handler to
2631 * free up VF resources and state variables
2633 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2635 struct i40e_hw *hw = &pf->hw;
2636 u32 reg, reg_idx, bit_idx;
2640 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2643 /* Re-enable the VFLR interrupt cause here, before looking for which
2644 * VF got reset. Otherwise, if another VF gets a reset while the
2645 * first one is being processed, that interrupt will be lost, and
2646 * that VF will be stuck in reset forever.
2648 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2649 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2650 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2653 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2654 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2655 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2656 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2657 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2658 vf = &pf->vf[vf_id];
2659 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2660 if (reg & BIT(bit_idx))
2661 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2662 i40e_reset_vf(vf, true);
2669 * i40e_ndo_set_vf_mac
2670 * @netdev: network interface device structure
2671 * @vf_id: VF identifier
2674 * program VF mac address
2676 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2678 struct i40e_netdev_priv *np = netdev_priv(netdev);
2679 struct i40e_vsi *vsi = np->vsi;
2680 struct i40e_pf *pf = vsi->back;
2681 struct i40e_mac_filter *f;
2686 /* validate the request */
2687 if (vf_id >= pf->num_alloc_vfs) {
2688 dev_err(&pf->pdev->dev,
2689 "Invalid VF Identifier %d\n", vf_id);
2694 vf = &(pf->vf[vf_id]);
2695 vsi = pf->vsi[vf->lan_vsi_idx];
2696 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2697 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2703 if (is_multicast_ether_addr(mac)) {
2704 dev_err(&pf->pdev->dev,
2705 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2710 /* Lock once because below invoked function add/del_filter requires
2711 * mac_filter_hash_lock to be held
2713 spin_lock_bh(&vsi->mac_filter_hash_lock);
2715 /* delete the temporary mac address */
2716 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2717 i40e_del_mac_filter(vsi, vf->default_lan_addr.addr);
2719 /* Delete all the filters for this VSI - we're going to kill it
2722 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
2723 __i40e_del_filter(vsi, f);
2725 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2727 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2728 /* program mac filter */
2729 if (i40e_sync_vsi_filters(vsi)) {
2730 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2734 ether_addr_copy(vf->default_lan_addr.addr, mac);
2735 vf->pf_set_mac = true;
2736 /* Force the VF driver stop so it has to reload with new MAC address */
2737 i40e_vc_disable_vf(pf, vf);
2738 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2745 * i40e_ndo_set_vf_port_vlan
2746 * @netdev: network interface device structure
2747 * @vf_id: VF identifier
2748 * @vlan_id: mac address
2749 * @qos: priority setting
2750 * @vlan_proto: vlan protocol
2752 * program VF vlan id and/or qos
2754 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
2755 u16 vlan_id, u8 qos, __be16 vlan_proto)
2757 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2758 struct i40e_netdev_priv *np = netdev_priv(netdev);
2759 struct i40e_pf *pf = np->vsi->back;
2760 struct i40e_vsi *vsi;
2764 /* validate the request */
2765 if (vf_id >= pf->num_alloc_vfs) {
2766 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2771 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2772 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2777 if (vlan_proto != htons(ETH_P_8021Q)) {
2778 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
2779 ret = -EPROTONOSUPPORT;
2783 vf = &(pf->vf[vf_id]);
2784 vsi = pf->vsi[vf->lan_vsi_idx];
2785 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2786 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2792 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2793 /* duplicate request, so just return success */
2796 /* Locked once because multiple functions below iterate list */
2797 spin_lock_bh(&vsi->mac_filter_hash_lock);
2799 if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) {
2800 dev_err(&pf->pdev->dev,
2801 "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",
2803 /* Administrator Error - knock the VF offline until he does
2804 * the right thing by reconfiguring his network correctly
2805 * and then reloading the VF driver.
2807 i40e_vc_disable_vf(pf, vf);
2808 /* During reset the VF got a new VSI, so refresh the pointer. */
2809 vsi = pf->vsi[vf->lan_vsi_idx];
2812 /* Check for condition where there was already a port VLAN ID
2813 * filter set and now it is being deleted by setting it to zero.
2814 * Additionally check for the condition where there was a port
2815 * VLAN but now there is a new and different port VLAN being set.
2816 * Before deleting all the old VLAN filters we must add new ones
2817 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2818 * MAC addresses deleted.
2820 if ((!(vlan_id || qos) ||
2821 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2823 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
2825 dev_info(&vsi->back->pdev->dev,
2826 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2827 vsi->back->hw.aq.asq_last_status);
2828 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2833 if (vsi->info.pvid) {
2834 /* remove all filters on the old VLAN */
2835 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
2840 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2842 i40e_vsi_remove_pvid(vsi);
2845 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2846 vlan_id, qos, vf_id);
2848 /* add new VLAN filter for each MAC */
2849 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
2851 dev_info(&vsi->back->pdev->dev,
2852 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2853 vsi->back->hw.aq.asq_last_status);
2854 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2858 /* remove the previously added non-VLAN MAC filters */
2859 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
2862 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2864 /* Schedule the worker thread to take care of applying changes */
2865 i40e_service_event_schedule(vsi->back);
2868 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2872 /* The Port VLAN needs to be saved across resets the same as the
2873 * default LAN MAC address.
2875 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2882 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2883 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2885 * i40e_ndo_set_vf_bw
2886 * @netdev: network interface device structure
2887 * @vf_id: VF identifier
2890 * configure VF Tx rate
2892 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2895 struct i40e_netdev_priv *np = netdev_priv(netdev);
2896 struct i40e_pf *pf = np->vsi->back;
2897 struct i40e_vsi *vsi;
2902 /* validate the request */
2903 if (vf_id >= pf->num_alloc_vfs) {
2904 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2910 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2911 min_tx_rate, vf_id);
2915 vf = &(pf->vf[vf_id]);
2916 vsi = pf->vsi[vf->lan_vsi_idx];
2917 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2918 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2924 switch (pf->hw.phy.link_info.link_speed) {
2925 case I40E_LINK_SPEED_40GB:
2928 case I40E_LINK_SPEED_25GB:
2931 case I40E_LINK_SPEED_20GB:
2934 case I40E_LINK_SPEED_10GB:
2937 case I40E_LINK_SPEED_1GB:
2944 if (max_tx_rate > speed) {
2945 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.\n",
2946 max_tx_rate, vf->vf_id);
2951 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2952 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2956 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2957 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2958 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2959 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2961 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2966 vf->tx_rate = max_tx_rate;
2972 * i40e_ndo_get_vf_config
2973 * @netdev: network interface device structure
2974 * @vf_id: VF identifier
2975 * @ivi: VF configuration structure
2977 * return VF configuration
2979 int i40e_ndo_get_vf_config(struct net_device *netdev,
2980 int vf_id, struct ifla_vf_info *ivi)
2982 struct i40e_netdev_priv *np = netdev_priv(netdev);
2983 struct i40e_vsi *vsi = np->vsi;
2984 struct i40e_pf *pf = vsi->back;
2988 /* validate the request */
2989 if (vf_id >= pf->num_alloc_vfs) {
2990 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2995 vf = &(pf->vf[vf_id]);
2996 /* first vsi is always the LAN vsi */
2997 vsi = pf->vsi[vf->lan_vsi_idx];
2998 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2999 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3007 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
3009 ivi->max_tx_rate = vf->tx_rate;
3010 ivi->min_tx_rate = 0;
3011 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
3012 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
3013 I40E_VLAN_PRIORITY_SHIFT;
3014 if (vf->link_forced == false)
3015 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
3016 else if (vf->link_up == true)
3017 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
3019 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
3020 ivi->spoofchk = vf->spoofchk;
3021 ivi->trusted = vf->trusted;
3029 * i40e_ndo_set_vf_link_state
3030 * @netdev: network interface device structure
3031 * @vf_id: VF identifier
3032 * @link: required link state
3034 * Set the link state of a specified VF, regardless of physical link state
3036 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
3038 struct i40e_netdev_priv *np = netdev_priv(netdev);
3039 struct i40e_pf *pf = np->vsi->back;
3040 struct i40e_virtchnl_pf_event pfe;
3041 struct i40e_hw *hw = &pf->hw;
3046 /* validate the request */
3047 if (vf_id >= pf->num_alloc_vfs) {
3048 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3053 vf = &pf->vf[vf_id];
3054 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
3056 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
3057 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
3060 case IFLA_VF_LINK_STATE_AUTO:
3061 vf->link_forced = false;
3062 pfe.event_data.link_event.link_status =
3063 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
3064 pfe.event_data.link_event.link_speed =
3065 pf->hw.phy.link_info.link_speed;
3067 case IFLA_VF_LINK_STATE_ENABLE:
3068 vf->link_forced = true;
3070 pfe.event_data.link_event.link_status = true;
3071 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
3073 case IFLA_VF_LINK_STATE_DISABLE:
3074 vf->link_forced = true;
3075 vf->link_up = false;
3076 pfe.event_data.link_event.link_status = false;
3077 pfe.event_data.link_event.link_speed = 0;
3083 /* Notify the VF of its new link state */
3084 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
3085 0, (u8 *)&pfe, sizeof(pfe), NULL);
3092 * i40e_ndo_set_vf_spoofchk
3093 * @netdev: network interface device structure
3094 * @vf_id: VF identifier
3095 * @enable: flag to enable or disable feature
3097 * Enable or disable VF spoof checking
3099 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
3101 struct i40e_netdev_priv *np = netdev_priv(netdev);
3102 struct i40e_vsi *vsi = np->vsi;
3103 struct i40e_pf *pf = vsi->back;
3104 struct i40e_vsi_context ctxt;
3105 struct i40e_hw *hw = &pf->hw;
3109 /* validate the request */
3110 if (vf_id >= pf->num_alloc_vfs) {
3111 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3116 vf = &(pf->vf[vf_id]);
3117 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3118 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3124 if (enable == vf->spoofchk)
3127 vf->spoofchk = enable;
3128 memset(&ctxt, 0, sizeof(ctxt));
3129 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
3130 ctxt.pf_num = pf->hw.pf_id;
3131 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
3133 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
3134 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
3135 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
3137 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
3146 * i40e_ndo_set_vf_trust
3147 * @netdev: network interface device structure of the pf
3148 * @vf_id: VF identifier
3149 * @setting: trust setting
3151 * Enable or disable VF trust setting
3153 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
3155 struct i40e_netdev_priv *np = netdev_priv(netdev);
3156 struct i40e_pf *pf = np->vsi->back;
3160 /* validate the request */
3161 if (vf_id >= pf->num_alloc_vfs) {
3162 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3166 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3167 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
3171 vf = &pf->vf[vf_id];
3175 if (setting == vf->trusted)
3178 vf->trusted = setting;
3179 i40e_vc_notify_vf_reset(vf);
3180 i40e_reset_vf(vf, false);
3181 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
3182 vf_id, setting ? "" : "un");