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_filter(vsi, vf->default_lan_addr.addr,
694 vf->port_vlan_id : -1);
696 dev_info(&pf->pdev->dev,
697 "Could not add MAC filter %pM for VF %d\n",
698 vf->default_lan_addr.addr, vf->vf_id);
700 eth_broadcast_addr(broadcast);
701 f = i40e_add_filter(vsi, broadcast,
702 vf->port_vlan_id ? vf->port_vlan_id : -1);
704 dev_info(&pf->pdev->dev,
705 "Could not allocate VF broadcast filter\n");
706 spin_unlock_bh(&vsi->mac_filter_hash_lock);
707 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id),
709 i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id),
713 /* program mac filter */
714 ret = i40e_sync_vsi_filters(vsi);
716 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
718 /* Set VF bandwidth if specified */
720 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
721 vf->tx_rate / 50, 0, NULL);
723 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
732 * i40e_enable_vf_mappings
733 * @vf: pointer to the VF info
737 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
739 struct i40e_pf *pf = vf->pf;
740 struct i40e_hw *hw = &pf->hw;
741 u32 reg, total_queue_pairs = 0;
744 /* Tell the hardware we're using noncontiguous mapping. HW requires
745 * that VF queues be mapped using this method, even when they are
746 * contiguous in real life
748 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
749 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
751 /* enable VF vplan_qtable mappings */
752 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
753 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
755 /* map PF queues to VF queues */
756 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
757 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
759 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
760 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
764 /* map PF queues to VSI */
765 for (j = 0; j < 7; j++) {
766 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
767 reg = 0x07FF07FF; /* unused */
769 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
772 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
776 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
784 * i40e_disable_vf_mappings
785 * @vf: pointer to the VF info
787 * disable VF mappings
789 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
791 struct i40e_pf *pf = vf->pf;
792 struct i40e_hw *hw = &pf->hw;
795 /* disable qp mappings */
796 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
797 for (i = 0; i < I40E_MAX_VSI_QP; i++)
798 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
799 I40E_QUEUE_END_OF_LIST);
805 * @vf: pointer to the VF info
809 static void i40e_free_vf_res(struct i40e_vf *vf)
811 struct i40e_pf *pf = vf->pf;
812 struct i40e_hw *hw = &pf->hw;
816 /* free vsi & disconnect it from the parent uplink */
817 if (vf->lan_vsi_idx) {
818 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
823 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
825 /* disable interrupts so the VF starts in a known state */
826 for (i = 0; i < msix_vf; i++) {
827 /* format is same for both registers */
829 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
831 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
834 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
838 /* clear the irq settings */
839 for (i = 0; i < msix_vf; i++) {
840 /* format is same for both registers */
842 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
844 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
847 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
848 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
849 wr32(hw, reg_idx, reg);
852 /* reset some of the state varibles keeping
853 * track of the resources
855 vf->num_queue_pairs = 0;
857 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
862 * @vf: pointer to the VF info
864 * allocate VF resources
866 static int i40e_alloc_vf_res(struct i40e_vf *vf)
868 struct i40e_pf *pf = vf->pf;
869 int total_queue_pairs = 0;
872 /* allocate hw vsi context & associated resources */
873 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
876 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
879 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
881 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
883 /* store the total qps number for the runtime
886 vf->num_queue_pairs = total_queue_pairs;
888 /* VF is now completely initialized */
889 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
893 i40e_free_vf_res(vf);
898 #define VF_DEVICE_STATUS 0xAA
899 #define VF_TRANS_PENDING_MASK 0x20
901 * i40e_quiesce_vf_pci
902 * @vf: pointer to the VF structure
904 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
905 * if the transactions never clear.
907 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
909 struct i40e_pf *pf = vf->pf;
910 struct i40e_hw *hw = &pf->hw;
914 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
916 wr32(hw, I40E_PF_PCI_CIAA,
917 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
918 for (i = 0; i < 100; i++) {
919 reg = rd32(hw, I40E_PF_PCI_CIAD);
920 if ((reg & VF_TRANS_PENDING_MASK) == 0)
929 * @vf: pointer to the VF structure
930 * @flr: VFLR was issued or not
934 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
936 struct i40e_pf *pf = vf->pf;
937 struct i40e_hw *hw = &pf->hw;
938 u32 reg, reg_idx, bit_idx;
942 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
946 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
948 /* In the case of a VFLR, the HW has already reset the VF and we
949 * just need to clean up, so don't hit the VFRTRIG register.
952 /* reset VF using VPGEN_VFRTRIG reg */
953 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
954 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
955 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
958 /* clear the VFLR bit in GLGEN_VFLRSTAT */
959 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
960 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
961 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
964 if (i40e_quiesce_vf_pci(vf))
965 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
968 /* poll VPGEN_VFRSTAT reg to make sure
969 * that reset is complete
971 for (i = 0; i < 10; i++) {
972 /* VF reset requires driver to first reset the VF and then
973 * poll the status register to make sure that the reset
974 * completed successfully. Due to internal HW FIFO flushes,
975 * we must wait 10ms before the register will be valid.
977 usleep_range(10000, 20000);
978 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
979 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
986 usleep_range(10000, 20000);
989 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
991 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
992 /* clear the reset bit in the VPGEN_VFRTRIG reg */
993 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
994 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
995 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
997 /* On initial reset, we won't have any queues */
998 if (vf->lan_vsi_idx == 0)
1001 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1003 /* reallocate VF resources to reset the VSI state */
1004 i40e_free_vf_res(vf);
1005 if (!i40e_alloc_vf_res(vf)) {
1006 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1007 i40e_enable_vf_mappings(vf);
1008 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1009 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1010 /* Do not notify the client during VF init */
1011 if (vf->pf->num_alloc_vfs)
1012 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
1015 /* tell the VF the reset is done */
1016 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
1019 clear_bit(__I40E_VF_DISABLE, &pf->state);
1024 * @pf: pointer to the PF structure
1028 void i40e_free_vfs(struct i40e_pf *pf)
1030 struct i40e_hw *hw = &pf->hw;
1031 u32 reg_idx, bit_idx;
1036 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1037 usleep_range(1000, 2000);
1039 i40e_notify_client_of_vf_enable(pf, 0);
1040 for (i = 0; i < pf->num_alloc_vfs; i++)
1041 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1042 i40e_vsi_stop_rings(pf->vsi[pf->vf[i].lan_vsi_idx]);
1044 /* Disable IOV before freeing resources. This lets any VF drivers
1045 * running in the host get themselves cleaned up before we yank
1046 * the carpet out from underneath their feet.
1048 if (!pci_vfs_assigned(pf->pdev))
1049 pci_disable_sriov(pf->pdev);
1051 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1053 msleep(20); /* let any messages in transit get finished up */
1055 /* free up VF resources */
1056 tmp = pf->num_alloc_vfs;
1057 pf->num_alloc_vfs = 0;
1058 for (i = 0; i < tmp; i++) {
1059 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1060 i40e_free_vf_res(&pf->vf[i]);
1061 /* disable qp mappings */
1062 i40e_disable_vf_mappings(&pf->vf[i]);
1068 /* This check is for when the driver is unloaded while VFs are
1069 * assigned. Setting the number of VFs to 0 through sysfs is caught
1070 * before this function ever gets called.
1072 if (!pci_vfs_assigned(pf->pdev)) {
1073 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1074 * work correctly when SR-IOV gets re-enabled.
1076 for (vf_id = 0; vf_id < tmp; vf_id++) {
1077 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1078 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1079 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1082 clear_bit(__I40E_VF_DISABLE, &pf->state);
1085 #ifdef CONFIG_PCI_IOV
1088 * @pf: pointer to the PF structure
1089 * @num_alloc_vfs: number of VFs to allocate
1091 * allocate VF resources
1093 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1095 struct i40e_vf *vfs;
1098 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1099 i40e_irq_dynamic_disable_icr0(pf);
1101 /* Check to see if we're just allocating resources for extant VFs */
1102 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1103 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1105 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1106 pf->num_alloc_vfs = 0;
1110 /* allocate memory */
1111 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1118 /* apply default profile */
1119 for (i = 0; i < num_alloc_vfs; i++) {
1121 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1124 /* assign default capabilities */
1125 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1126 vfs[i].spoofchk = true;
1127 /* VF resources get allocated during reset */
1128 i40e_reset_vf(&vfs[i], false);
1131 pf->num_alloc_vfs = num_alloc_vfs;
1133 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1139 /* Re-enable interrupt 0. */
1140 i40e_irq_dynamic_enable_icr0(pf, false);
1146 * i40e_pci_sriov_enable
1147 * @pdev: pointer to a pci_dev structure
1148 * @num_vfs: number of VFs to allocate
1150 * Enable or change the number of VFs
1152 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1154 #ifdef CONFIG_PCI_IOV
1155 struct i40e_pf *pf = pci_get_drvdata(pdev);
1156 int pre_existing_vfs = pci_num_vf(pdev);
1159 if (test_bit(__I40E_TESTING, &pf->state)) {
1160 dev_warn(&pdev->dev,
1161 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1166 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1168 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1171 if (num_vfs > pf->num_req_vfs) {
1172 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1173 num_vfs, pf->num_req_vfs);
1178 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1179 err = i40e_alloc_vfs(pf, num_vfs);
1181 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1195 * i40e_pci_sriov_configure
1196 * @pdev: pointer to a pci_dev structure
1197 * @num_vfs: number of VFs to allocate
1199 * Enable or change the number of VFs. Called when the user updates the number
1202 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1204 struct i40e_pf *pf = pci_get_drvdata(pdev);
1207 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1208 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1209 i40e_do_reset_safe(pf,
1210 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1212 return i40e_pci_sriov_enable(pdev, num_vfs);
1215 if (!pci_vfs_assigned(pf->pdev)) {
1217 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1218 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1220 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1226 /***********************virtual channel routines******************/
1229 * i40e_vc_send_msg_to_vf
1230 * @vf: pointer to the VF info
1231 * @v_opcode: virtual channel opcode
1232 * @v_retval: virtual channel return value
1233 * @msg: pointer to the msg buffer
1234 * @msglen: msg length
1238 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1239 u32 v_retval, u8 *msg, u16 msglen)
1246 /* validate the request */
1247 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1252 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1254 /* single place to detect unsuccessful return values */
1256 vf->num_invalid_msgs++;
1257 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1258 vf->vf_id, v_opcode, v_retval);
1259 if (vf->num_invalid_msgs >
1260 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1261 dev_err(&pf->pdev->dev,
1262 "Number of invalid messages exceeded for VF %d\n",
1264 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1265 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1268 vf->num_valid_msgs++;
1269 /* reset the invalid counter, if a valid message is received. */
1270 vf->num_invalid_msgs = 0;
1273 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1276 dev_info(&pf->pdev->dev,
1277 "Unable to send the message to VF %d aq_err %d\n",
1278 vf->vf_id, pf->hw.aq.asq_last_status);
1286 * i40e_vc_send_resp_to_vf
1287 * @vf: pointer to the VF info
1288 * @opcode: operation code
1289 * @retval: return value
1291 * send resp msg to VF
1293 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1294 enum i40e_virtchnl_ops opcode,
1297 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1301 * i40e_vc_get_version_msg
1302 * @vf: pointer to the VF info
1304 * called from the VF to request the API version used by the PF
1306 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1308 struct i40e_virtchnl_version_info info = {
1309 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1312 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1313 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1315 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1316 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1317 I40E_SUCCESS, (u8 *)&info,
1319 i40e_virtchnl_version_info));
1323 * i40e_vc_get_vf_resources_msg
1324 * @vf: pointer to the VF info
1325 * @msg: pointer to the msg buffer
1326 * @msglen: msg length
1328 * called from the VF to request its resources
1330 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1332 struct i40e_virtchnl_vf_resource *vfres = NULL;
1333 struct i40e_pf *pf = vf->pf;
1334 i40e_status aq_ret = 0;
1335 struct i40e_vsi *vsi;
1340 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1341 aq_ret = I40E_ERR_PARAM;
1345 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1346 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1348 vfres = kzalloc(len, GFP_KERNEL);
1350 aq_ret = I40E_ERR_NO_MEMORY;
1355 vf->driver_caps = *(u32 *)msg;
1357 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1358 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1359 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1361 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1362 vsi = pf->vsi[vf->lan_vsi_idx];
1363 if (!vsi->info.pvid)
1364 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1366 if (i40e_vf_client_capable(pf, vf->vf_id, I40E_CLIENT_IWARP) &&
1367 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1368 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1369 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1372 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1373 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1375 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1376 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1377 vfres->vf_offload_flags |=
1378 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1380 vfres->vf_offload_flags |=
1381 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1384 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1385 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1386 vfres->vf_offload_flags |=
1387 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1390 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1391 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1392 dev_err(&pf->pdev->dev,
1393 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1395 ret = I40E_ERR_PARAM;
1398 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1401 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1402 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1403 vfres->vf_offload_flags |=
1404 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1407 vfres->num_vsis = num_vsis;
1408 vfres->num_queue_pairs = vf->num_queue_pairs;
1409 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1410 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1411 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1413 if (vf->lan_vsi_idx) {
1414 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1415 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1416 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1417 /* VFs only use TC 0 */
1418 vfres->vsi_res[0].qset_handle
1419 = le16_to_cpu(vsi->info.qs_handle[0]);
1420 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1421 vf->default_lan_addr.addr);
1423 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1426 /* send the response back to the VF */
1427 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1428 aq_ret, (u8 *)vfres, len);
1435 * i40e_vc_reset_vf_msg
1436 * @vf: pointer to the VF info
1437 * @msg: pointer to the msg buffer
1438 * @msglen: msg length
1440 * called from the VF to reset itself,
1441 * unlike other virtchnl messages, PF driver
1442 * doesn't send the response back to the VF
1444 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1446 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1447 i40e_reset_vf(vf, false);
1451 * i40e_getnum_vf_vsi_vlan_filters
1452 * @vsi: pointer to the vsi
1454 * called to get the number of VLANs offloaded on this VF
1456 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1458 struct i40e_mac_filter *f;
1459 int num_vlans = 0, bkt;
1461 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1462 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1470 * i40e_vc_config_promiscuous_mode_msg
1471 * @vf: pointer to the VF info
1472 * @msg: pointer to the msg buffer
1473 * @msglen: msg length
1475 * called from the VF to configure the promiscuous mode of
1478 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1479 u8 *msg, u16 msglen)
1481 struct i40e_virtchnl_promisc_info *info =
1482 (struct i40e_virtchnl_promisc_info *)msg;
1483 struct i40e_pf *pf = vf->pf;
1484 struct i40e_hw *hw = &pf->hw;
1485 struct i40e_mac_filter *f;
1486 i40e_status aq_ret = 0;
1487 bool allmulti = false;
1488 struct i40e_vsi *vsi;
1489 bool alluni = false;
1493 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1494 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1495 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1497 aq_ret = I40E_ERR_PARAM;
1500 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1501 dev_err(&pf->pdev->dev,
1502 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1504 /* Lie to the VF on purpose. */
1508 /* Multicast promiscuous handling*/
1509 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1512 if (vf->port_vlan_id) {
1513 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1517 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1518 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1519 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1521 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1526 aq_err = pf->hw.aq.asq_last_status;
1528 dev_err(&pf->pdev->dev,
1529 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1531 i40e_stat_str(&pf->hw, aq_ret),
1532 i40e_aq_str(&pf->hw, aq_err));
1537 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1539 aq_err = pf->hw.aq.asq_last_status;
1541 dev_err(&pf->pdev->dev,
1542 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1544 i40e_stat_str(&pf->hw, aq_ret),
1545 i40e_aq_str(&pf->hw, aq_err));
1551 dev_info(&pf->pdev->dev,
1552 "VF %d successfully set multicast promiscuous mode\n",
1555 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1557 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1560 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1562 if (vf->port_vlan_id) {
1563 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1567 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1568 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
1570 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1572 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1577 aq_err = pf->hw.aq.asq_last_status;
1580 dev_err(&pf->pdev->dev,
1581 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1583 i40e_stat_str(&pf->hw, aq_ret),
1584 i40e_aq_str(&pf->hw, aq_err));
1587 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1590 aq_err = pf->hw.aq.asq_last_status;
1592 dev_err(&pf->pdev->dev,
1593 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1594 vf->vf_id, info->flags,
1595 i40e_stat_str(&pf->hw, aq_ret),
1596 i40e_aq_str(&pf->hw, aq_err));
1602 dev_info(&pf->pdev->dev,
1603 "VF %d successfully set unicast promiscuous mode\n",
1606 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1608 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1612 /* send the response to the VF */
1613 return i40e_vc_send_resp_to_vf(vf,
1614 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1619 * i40e_vc_config_queues_msg
1620 * @vf: pointer to the VF info
1621 * @msg: pointer to the msg buffer
1622 * @msglen: msg length
1624 * called from the VF to configure the rx/tx
1627 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1629 struct i40e_virtchnl_vsi_queue_config_info *qci =
1630 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1631 struct i40e_virtchnl_queue_pair_info *qpi;
1632 struct i40e_pf *pf = vf->pf;
1633 u16 vsi_id, vsi_queue_id;
1634 i40e_status aq_ret = 0;
1637 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1638 aq_ret = I40E_ERR_PARAM;
1642 vsi_id = qci->vsi_id;
1643 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1644 aq_ret = I40E_ERR_PARAM;
1647 for (i = 0; i < qci->num_queue_pairs; i++) {
1648 qpi = &qci->qpair[i];
1649 vsi_queue_id = qpi->txq.queue_id;
1650 if ((qpi->txq.vsi_id != vsi_id) ||
1651 (qpi->rxq.vsi_id != vsi_id) ||
1652 (qpi->rxq.queue_id != vsi_queue_id) ||
1653 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1654 aq_ret = I40E_ERR_PARAM;
1658 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1660 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1662 aq_ret = I40E_ERR_PARAM;
1666 /* set vsi num_queue_pairs in use to num configured by VF */
1667 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1670 /* send the response to the VF */
1671 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1676 * i40e_vc_config_irq_map_msg
1677 * @vf: pointer to the VF info
1678 * @msg: pointer to the msg buffer
1679 * @msglen: msg length
1681 * called from the VF to configure the irq to
1684 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1686 struct i40e_virtchnl_irq_map_info *irqmap_info =
1687 (struct i40e_virtchnl_irq_map_info *)msg;
1688 struct i40e_virtchnl_vector_map *map;
1689 u16 vsi_id, vsi_queue_id, vector_id;
1690 i40e_status aq_ret = 0;
1691 unsigned long tempmap;
1694 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1695 aq_ret = I40E_ERR_PARAM;
1699 for (i = 0; i < irqmap_info->num_vectors; i++) {
1700 map = &irqmap_info->vecmap[i];
1702 vector_id = map->vector_id;
1703 vsi_id = map->vsi_id;
1704 /* validate msg params */
1705 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1706 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1707 aq_ret = I40E_ERR_PARAM;
1711 /* lookout for the invalid queue index */
1712 tempmap = map->rxq_map;
1713 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1714 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1716 aq_ret = I40E_ERR_PARAM;
1721 tempmap = map->txq_map;
1722 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1723 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1725 aq_ret = I40E_ERR_PARAM;
1730 i40e_config_irq_link_list(vf, vsi_id, map);
1733 /* send the response to the VF */
1734 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1739 * i40e_vc_enable_queues_msg
1740 * @vf: pointer to the VF info
1741 * @msg: pointer to the msg buffer
1742 * @msglen: msg length
1744 * called from the VF to enable all or specific queue(s)
1746 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1748 struct i40e_virtchnl_queue_select *vqs =
1749 (struct i40e_virtchnl_queue_select *)msg;
1750 struct i40e_pf *pf = vf->pf;
1751 u16 vsi_id = vqs->vsi_id;
1752 i40e_status aq_ret = 0;
1754 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1755 aq_ret = I40E_ERR_PARAM;
1759 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1760 aq_ret = I40E_ERR_PARAM;
1764 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1765 aq_ret = I40E_ERR_PARAM;
1769 if (i40e_vsi_start_rings(pf->vsi[vf->lan_vsi_idx]))
1770 aq_ret = I40E_ERR_TIMEOUT;
1772 /* send the response to the VF */
1773 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1778 * i40e_vc_disable_queues_msg
1779 * @vf: pointer to the VF info
1780 * @msg: pointer to the msg buffer
1781 * @msglen: msg length
1783 * called from the VF to disable all or specific
1786 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1788 struct i40e_virtchnl_queue_select *vqs =
1789 (struct i40e_virtchnl_queue_select *)msg;
1790 struct i40e_pf *pf = vf->pf;
1791 i40e_status aq_ret = 0;
1793 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1794 aq_ret = I40E_ERR_PARAM;
1798 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1799 aq_ret = I40E_ERR_PARAM;
1803 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1804 aq_ret = I40E_ERR_PARAM;
1808 i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]);
1811 /* send the response to the VF */
1812 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1817 * i40e_vc_get_stats_msg
1818 * @vf: pointer to the VF info
1819 * @msg: pointer to the msg buffer
1820 * @msglen: msg length
1822 * called from the VF to get vsi stats
1824 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1826 struct i40e_virtchnl_queue_select *vqs =
1827 (struct i40e_virtchnl_queue_select *)msg;
1828 struct i40e_pf *pf = vf->pf;
1829 struct i40e_eth_stats stats;
1830 i40e_status aq_ret = 0;
1831 struct i40e_vsi *vsi;
1833 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1835 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1836 aq_ret = I40E_ERR_PARAM;
1840 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1841 aq_ret = I40E_ERR_PARAM;
1845 vsi = pf->vsi[vf->lan_vsi_idx];
1847 aq_ret = I40E_ERR_PARAM;
1850 i40e_update_eth_stats(vsi);
1851 stats = vsi->eth_stats;
1854 /* send the response back to the VF */
1855 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1856 (u8 *)&stats, sizeof(stats));
1859 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1860 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1861 #define I40E_VC_MAX_VLAN_PER_VF 8
1864 * i40e_check_vf_permission
1865 * @vf: pointer to the VF info
1866 * @macaddr: pointer to the MAC Address being checked
1868 * Check if the VF has permission to add or delete unicast MAC address
1869 * filters and return error code -EPERM if not. Then check if the
1870 * address filter requested is broadcast or zero and if so return
1871 * an invalid MAC address error code.
1873 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1875 struct i40e_pf *pf = vf->pf;
1878 if (is_broadcast_ether_addr(macaddr) ||
1879 is_zero_ether_addr(macaddr)) {
1880 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1881 ret = I40E_ERR_INVALID_MAC_ADDR;
1882 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1883 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1884 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1885 /* If the host VMM administrator has set the VF MAC address
1886 * administratively via the ndo_set_vf_mac command then deny
1887 * permission to the VF to add or delete unicast MAC addresses.
1888 * Unless the VF is privileged and then it can do whatever.
1889 * The VF may request to set the MAC address filter already
1890 * assigned to it so do not return an error in that case.
1892 dev_err(&pf->pdev->dev,
1893 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1895 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1896 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1897 dev_err(&pf->pdev->dev,
1898 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1905 * i40e_vc_add_mac_addr_msg
1906 * @vf: pointer to the VF info
1907 * @msg: pointer to the msg buffer
1908 * @msglen: msg length
1910 * add guest mac address filter
1912 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1914 struct i40e_virtchnl_ether_addr_list *al =
1915 (struct i40e_virtchnl_ether_addr_list *)msg;
1916 struct i40e_pf *pf = vf->pf;
1917 struct i40e_vsi *vsi = NULL;
1918 u16 vsi_id = al->vsi_id;
1919 i40e_status ret = 0;
1922 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1923 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1924 ret = I40E_ERR_PARAM;
1928 for (i = 0; i < al->num_elements; i++) {
1929 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1933 vsi = pf->vsi[vf->lan_vsi_idx];
1935 /* Lock once, because all function inside for loop accesses VSI's
1936 * MAC filter list which needs to be protected using same lock.
1938 spin_lock_bh(&vsi->mac_filter_hash_lock);
1940 /* add new addresses to the list */
1941 for (i = 0; i < al->num_elements; i++) {
1942 struct i40e_mac_filter *f;
1944 f = i40e_find_mac(vsi, al->list[i].addr);
1946 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr);
1949 dev_err(&pf->pdev->dev,
1950 "Unable to add MAC filter %pM for VF %d\n",
1951 al->list[i].addr, vf->vf_id);
1952 ret = I40E_ERR_PARAM;
1953 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1959 spin_unlock_bh(&vsi->mac_filter_hash_lock);
1961 /* program the updated filter list */
1962 ret = i40e_sync_vsi_filters(vsi);
1964 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1968 /* send the response to the VF */
1969 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1974 * i40e_vc_del_mac_addr_msg
1975 * @vf: pointer to the VF info
1976 * @msg: pointer to the msg buffer
1977 * @msglen: msg length
1979 * remove guest mac address filter
1981 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1983 struct i40e_virtchnl_ether_addr_list *al =
1984 (struct i40e_virtchnl_ether_addr_list *)msg;
1985 struct i40e_pf *pf = vf->pf;
1986 struct i40e_vsi *vsi = NULL;
1987 u16 vsi_id = al->vsi_id;
1988 i40e_status ret = 0;
1991 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1992 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1993 ret = I40E_ERR_PARAM;
1997 for (i = 0; i < al->num_elements; i++) {
1998 if (is_broadcast_ether_addr(al->list[i].addr) ||
1999 is_zero_ether_addr(al->list[i].addr)) {
2000 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
2001 al->list[i].addr, vf->vf_id);
2002 ret = I40E_ERR_INVALID_MAC_ADDR;
2006 vsi = pf->vsi[vf->lan_vsi_idx];
2008 spin_lock_bh(&vsi->mac_filter_hash_lock);
2009 /* delete addresses from the list */
2010 for (i = 0; i < al->num_elements; i++)
2011 if (i40e_del_mac_all_vlan(vsi, al->list[i].addr)) {
2012 ret = I40E_ERR_INVALID_MAC_ADDR;
2013 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2019 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2021 /* program the updated filter list */
2022 ret = i40e_sync_vsi_filters(vsi);
2024 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2028 /* send the response to the VF */
2029 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2034 * i40e_vc_add_vlan_msg
2035 * @vf: pointer to the VF info
2036 * @msg: pointer to the msg buffer
2037 * @msglen: msg length
2039 * program guest vlan id
2041 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2043 struct i40e_virtchnl_vlan_filter_list *vfl =
2044 (struct i40e_virtchnl_vlan_filter_list *)msg;
2045 struct i40e_pf *pf = vf->pf;
2046 struct i40e_vsi *vsi = NULL;
2047 u16 vsi_id = vfl->vsi_id;
2048 i40e_status aq_ret = 0;
2051 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2052 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2053 dev_err(&pf->pdev->dev,
2054 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2057 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2058 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2059 aq_ret = I40E_ERR_PARAM;
2063 for (i = 0; i < vfl->num_elements; i++) {
2064 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2065 aq_ret = I40E_ERR_PARAM;
2066 dev_err(&pf->pdev->dev,
2067 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2071 vsi = pf->vsi[vf->lan_vsi_idx];
2072 if (vsi->info.pvid) {
2073 aq_ret = I40E_ERR_PARAM;
2077 i40e_vlan_stripping_enable(vsi);
2078 for (i = 0; i < vfl->num_elements; i++) {
2079 /* add new VLAN filter */
2080 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2084 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2085 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2089 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2090 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2096 dev_err(&pf->pdev->dev,
2097 "Unable to add VLAN filter %d for VF %d, error %d\n",
2098 vfl->vlan_id[i], vf->vf_id, ret);
2102 /* send the response to the VF */
2103 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2107 * i40e_vc_remove_vlan_msg
2108 * @vf: pointer to the VF info
2109 * @msg: pointer to the msg buffer
2110 * @msglen: msg length
2112 * remove programmed guest vlan id
2114 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2116 struct i40e_virtchnl_vlan_filter_list *vfl =
2117 (struct i40e_virtchnl_vlan_filter_list *)msg;
2118 struct i40e_pf *pf = vf->pf;
2119 struct i40e_vsi *vsi = NULL;
2120 u16 vsi_id = vfl->vsi_id;
2121 i40e_status aq_ret = 0;
2124 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2125 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2126 aq_ret = I40E_ERR_PARAM;
2130 for (i = 0; i < vfl->num_elements; i++) {
2131 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2132 aq_ret = I40E_ERR_PARAM;
2137 vsi = pf->vsi[vf->lan_vsi_idx];
2138 if (vsi->info.pvid) {
2139 aq_ret = I40E_ERR_PARAM;
2143 for (i = 0; i < vfl->num_elements; i++) {
2144 i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2147 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2148 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2152 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2153 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2160 /* send the response to the VF */
2161 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2166 * @vf: pointer to the VF info
2167 * @msg: pointer to the msg buffer
2168 * @msglen: msg length
2170 * called from the VF for the iwarp msgs
2172 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2174 struct i40e_pf *pf = vf->pf;
2175 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2176 i40e_status aq_ret = 0;
2178 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2179 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2180 aq_ret = I40E_ERR_PARAM;
2184 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2188 /* send the response to the VF */
2189 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2194 * i40e_vc_iwarp_qvmap_msg
2195 * @vf: pointer to the VF info
2196 * @msg: pointer to the msg buffer
2197 * @msglen: msg length
2198 * @config: config qvmap or release it
2200 * called from the VF for the iwarp msgs
2202 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2205 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2206 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2207 i40e_status aq_ret = 0;
2209 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2210 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2211 aq_ret = I40E_ERR_PARAM;
2216 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2217 aq_ret = I40E_ERR_PARAM;
2219 i40e_release_iwarp_qvlist(vf);
2223 /* send the response to the VF */
2224 return i40e_vc_send_resp_to_vf(vf,
2225 config ? I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP :
2226 I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP,
2231 * i40e_vc_config_rss_key
2232 * @vf: pointer to the VF info
2233 * @msg: pointer to the msg buffer
2234 * @msglen: msg length
2236 * Configure the VF's RSS key
2238 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2240 struct i40e_virtchnl_rss_key *vrk =
2241 (struct i40e_virtchnl_rss_key *)msg;
2242 struct i40e_pf *pf = vf->pf;
2243 struct i40e_vsi *vsi = NULL;
2244 u16 vsi_id = vrk->vsi_id;
2245 i40e_status aq_ret = 0;
2247 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2248 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2249 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2250 aq_ret = I40E_ERR_PARAM;
2254 vsi = pf->vsi[vf->lan_vsi_idx];
2255 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2257 /* send the response to the VF */
2258 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2263 * i40e_vc_config_rss_lut
2264 * @vf: pointer to the VF info
2265 * @msg: pointer to the msg buffer
2266 * @msglen: msg length
2268 * Configure the VF's RSS LUT
2270 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2272 struct i40e_virtchnl_rss_lut *vrl =
2273 (struct i40e_virtchnl_rss_lut *)msg;
2274 struct i40e_pf *pf = vf->pf;
2275 struct i40e_vsi *vsi = NULL;
2276 u16 vsi_id = vrl->vsi_id;
2277 i40e_status aq_ret = 0;
2279 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2280 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2281 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2282 aq_ret = I40E_ERR_PARAM;
2286 vsi = pf->vsi[vf->lan_vsi_idx];
2287 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2288 /* send the response to the VF */
2290 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2295 * i40e_vc_get_rss_hena
2296 * @vf: pointer to the VF info
2297 * @msg: pointer to the msg buffer
2298 * @msglen: msg length
2300 * Return the RSS HENA bits allowed by the hardware
2302 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2304 struct i40e_virtchnl_rss_hena *vrh = NULL;
2305 struct i40e_pf *pf = vf->pf;
2306 i40e_status aq_ret = 0;
2309 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2310 aq_ret = I40E_ERR_PARAM;
2313 len = sizeof(struct i40e_virtchnl_rss_hena);
2315 vrh = kzalloc(len, GFP_KERNEL);
2317 aq_ret = I40E_ERR_NO_MEMORY;
2321 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2323 /* send the response back to the VF */
2324 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2325 aq_ret, (u8 *)vrh, len);
2331 * i40e_vc_set_rss_hena
2332 * @vf: pointer to the VF info
2333 * @msg: pointer to the msg buffer
2334 * @msglen: msg length
2336 * Set the RSS HENA bits for the VF
2338 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2340 struct i40e_virtchnl_rss_hena *vrh =
2341 (struct i40e_virtchnl_rss_hena *)msg;
2342 struct i40e_pf *pf = vf->pf;
2343 struct i40e_hw *hw = &pf->hw;
2344 i40e_status aq_ret = 0;
2346 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2347 aq_ret = I40E_ERR_PARAM;
2350 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2351 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2352 (u32)(vrh->hena >> 32));
2354 /* send the response to the VF */
2356 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2361 * i40e_vc_validate_vf_msg
2362 * @vf: pointer to the VF info
2363 * @msg: pointer to the msg buffer
2364 * @msglen: msg length
2365 * @msghndl: msg handle
2369 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2370 u32 v_retval, u8 *msg, u16 msglen)
2372 bool err_msg_format = false;
2375 /* Check if VF is disabled. */
2376 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2377 return I40E_ERR_PARAM;
2379 /* Validate message length. */
2381 case I40E_VIRTCHNL_OP_VERSION:
2382 valid_len = sizeof(struct i40e_virtchnl_version_info);
2384 case I40E_VIRTCHNL_OP_RESET_VF:
2386 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2388 valid_len = sizeof(u32);
2390 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2391 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2393 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2394 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2396 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2397 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2398 if (msglen >= valid_len) {
2399 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2400 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2401 valid_len += (vqc->num_queue_pairs *
2403 i40e_virtchnl_queue_pair_info));
2404 if (vqc->num_queue_pairs == 0)
2405 err_msg_format = true;
2408 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2409 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2410 if (msglen >= valid_len) {
2411 struct i40e_virtchnl_irq_map_info *vimi =
2412 (struct i40e_virtchnl_irq_map_info *)msg;
2413 valid_len += (vimi->num_vectors *
2414 sizeof(struct i40e_virtchnl_vector_map));
2415 if (vimi->num_vectors == 0)
2416 err_msg_format = true;
2419 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2420 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2421 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2423 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2424 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2425 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2426 if (msglen >= valid_len) {
2427 struct i40e_virtchnl_ether_addr_list *veal =
2428 (struct i40e_virtchnl_ether_addr_list *)msg;
2429 valid_len += veal->num_elements *
2430 sizeof(struct i40e_virtchnl_ether_addr);
2431 if (veal->num_elements == 0)
2432 err_msg_format = true;
2435 case I40E_VIRTCHNL_OP_ADD_VLAN:
2436 case I40E_VIRTCHNL_OP_DEL_VLAN:
2437 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2438 if (msglen >= valid_len) {
2439 struct i40e_virtchnl_vlan_filter_list *vfl =
2440 (struct i40e_virtchnl_vlan_filter_list *)msg;
2441 valid_len += vfl->num_elements * sizeof(u16);
2442 if (vfl->num_elements == 0)
2443 err_msg_format = true;
2446 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2447 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2449 case I40E_VIRTCHNL_OP_GET_STATS:
2450 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2452 case I40E_VIRTCHNL_OP_IWARP:
2453 /* These messages are opaque to us and will be validated in
2454 * the RDMA client code. We just need to check for nonzero
2455 * length. The firmware will enforce max length restrictions.
2460 err_msg_format = true;
2462 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2465 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2466 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2467 if (msglen >= valid_len) {
2468 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2469 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2470 if (qv->num_vectors == 0) {
2471 err_msg_format = true;
2474 valid_len += ((qv->num_vectors - 1) *
2475 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2478 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2479 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2480 if (msglen >= valid_len) {
2481 struct i40e_virtchnl_rss_key *vrk =
2482 (struct i40e_virtchnl_rss_key *)msg;
2483 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2484 err_msg_format = true;
2487 valid_len += vrk->key_len - 1;
2490 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2491 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2492 if (msglen >= valid_len) {
2493 struct i40e_virtchnl_rss_lut *vrl =
2494 (struct i40e_virtchnl_rss_lut *)msg;
2495 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2496 err_msg_format = true;
2499 valid_len += vrl->lut_entries - 1;
2502 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2504 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2505 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2507 /* These are always errors coming from the VF. */
2508 case I40E_VIRTCHNL_OP_EVENT:
2509 case I40E_VIRTCHNL_OP_UNKNOWN:
2513 /* few more checks */
2514 if ((valid_len != msglen) || (err_msg_format)) {
2515 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2523 * i40e_vc_process_vf_msg
2524 * @pf: pointer to the PF structure
2525 * @vf_id: source VF id
2526 * @msg: pointer to the msg buffer
2527 * @msglen: msg length
2528 * @msghndl: msg handle
2530 * called from the common aeq/arq handler to
2531 * process request from VF
2533 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2534 u32 v_retval, u8 *msg, u16 msglen)
2536 struct i40e_hw *hw = &pf->hw;
2537 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2541 pf->vf_aq_requests++;
2542 if (local_vf_id >= pf->num_alloc_vfs)
2544 vf = &(pf->vf[local_vf_id]);
2545 /* perform basic checks on the msg */
2546 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2549 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2550 local_vf_id, v_opcode, msglen);
2555 case I40E_VIRTCHNL_OP_VERSION:
2556 ret = i40e_vc_get_version_msg(vf, msg);
2558 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2559 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2561 case I40E_VIRTCHNL_OP_RESET_VF:
2562 i40e_vc_reset_vf_msg(vf);
2565 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2566 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2568 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2569 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2571 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2572 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2574 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2575 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2576 i40e_vc_notify_vf_link_state(vf);
2578 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2579 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2581 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2582 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2584 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2585 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2587 case I40E_VIRTCHNL_OP_ADD_VLAN:
2588 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2590 case I40E_VIRTCHNL_OP_DEL_VLAN:
2591 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2593 case I40E_VIRTCHNL_OP_GET_STATS:
2594 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2596 case I40E_VIRTCHNL_OP_IWARP:
2597 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2599 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2600 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2602 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2603 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2605 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2606 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2608 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2609 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2611 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2612 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2614 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2615 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2618 case I40E_VIRTCHNL_OP_UNKNOWN:
2620 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2621 v_opcode, local_vf_id);
2622 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2623 I40E_ERR_NOT_IMPLEMENTED);
2631 * i40e_vc_process_vflr_event
2632 * @pf: pointer to the PF structure
2634 * called from the vlfr irq handler to
2635 * free up VF resources and state variables
2637 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2639 struct i40e_hw *hw = &pf->hw;
2640 u32 reg, reg_idx, bit_idx;
2644 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2647 /* Re-enable the VFLR interrupt cause here, before looking for which
2648 * VF got reset. Otherwise, if another VF gets a reset while the
2649 * first one is being processed, that interrupt will be lost, and
2650 * that VF will be stuck in reset forever.
2652 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2653 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2654 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2657 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2658 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2659 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2660 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2661 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2662 vf = &pf->vf[vf_id];
2663 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2664 if (reg & BIT(bit_idx))
2665 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2666 i40e_reset_vf(vf, true);
2673 * i40e_ndo_set_vf_mac
2674 * @netdev: network interface device structure
2675 * @vf_id: VF identifier
2678 * program VF mac address
2680 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2682 struct i40e_netdev_priv *np = netdev_priv(netdev);
2683 struct i40e_vsi *vsi = np->vsi;
2684 struct i40e_pf *pf = vsi->back;
2685 struct i40e_mac_filter *f;
2690 /* validate the request */
2691 if (vf_id >= pf->num_alloc_vfs) {
2692 dev_err(&pf->pdev->dev,
2693 "Invalid VF Identifier %d\n", vf_id);
2698 vf = &(pf->vf[vf_id]);
2699 vsi = pf->vsi[vf->lan_vsi_idx];
2700 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2701 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2707 if (is_multicast_ether_addr(mac)) {
2708 dev_err(&pf->pdev->dev,
2709 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2714 /* Lock once because below invoked function add/del_filter requires
2715 * mac_filter_hash_lock to be held
2717 spin_lock_bh(&vsi->mac_filter_hash_lock);
2719 /* delete the temporary mac address */
2720 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2721 i40e_del_filter(vsi, vf->default_lan_addr.addr,
2722 vf->port_vlan_id ? vf->port_vlan_id : -1);
2724 /* Delete all the filters for this VSI - we're going to kill it
2727 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
2728 i40e_del_filter(vsi, f->macaddr, f->vlan);
2730 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2732 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2733 /* program mac filter */
2734 if (i40e_sync_vsi_filters(vsi)) {
2735 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2739 ether_addr_copy(vf->default_lan_addr.addr, mac);
2740 vf->pf_set_mac = true;
2741 /* Force the VF driver stop so it has to reload with new MAC address */
2742 i40e_vc_disable_vf(pf, vf);
2743 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2750 * i40e_ndo_set_vf_port_vlan
2751 * @netdev: network interface device structure
2752 * @vf_id: VF identifier
2753 * @vlan_id: mac address
2754 * @qos: priority setting
2755 * @vlan_proto: vlan protocol
2757 * program VF vlan id and/or qos
2759 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
2760 u16 vlan_id, u8 qos, __be16 vlan_proto)
2762 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2763 struct i40e_netdev_priv *np = netdev_priv(netdev);
2764 struct i40e_pf *pf = np->vsi->back;
2765 struct i40e_vsi *vsi;
2769 /* validate the request */
2770 if (vf_id >= pf->num_alloc_vfs) {
2771 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2776 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2777 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2782 if (vlan_proto != htons(ETH_P_8021Q)) {
2783 dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n");
2784 ret = -EPROTONOSUPPORT;
2788 vf = &(pf->vf[vf_id]);
2789 vsi = pf->vsi[vf->lan_vsi_idx];
2790 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2791 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2797 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2798 /* duplicate request, so just return success */
2801 /* Locked once because multiple functions below iterate list */
2802 spin_lock_bh(&vsi->mac_filter_hash_lock);
2804 if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) {
2805 dev_err(&pf->pdev->dev,
2806 "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",
2808 /* Administrator Error - knock the VF offline until he does
2809 * the right thing by reconfiguring his network correctly
2810 * and then reloading the VF driver.
2812 i40e_vc_disable_vf(pf, vf);
2813 /* During reset the VF got a new VSI, so refresh the pointer. */
2814 vsi = pf->vsi[vf->lan_vsi_idx];
2817 /* Check for condition where there was already a port VLAN ID
2818 * filter set and now it is being deleted by setting it to zero.
2819 * Additionally check for the condition where there was a port
2820 * VLAN but now there is a new and different port VLAN being set.
2821 * Before deleting all the old VLAN filters we must add new ones
2822 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2823 * MAC addresses deleted.
2825 if ((!(vlan_id || qos) ||
2826 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2828 ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY);
2830 dev_info(&vsi->back->pdev->dev,
2831 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2832 vsi->back->hw.aq.asq_last_status);
2833 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2838 if (vsi->info.pvid) {
2839 /* remove all filters on the old VLAN */
2840 i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) &
2845 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2847 i40e_vsi_remove_pvid(vsi);
2850 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2851 vlan_id, qos, vf_id);
2853 /* add new VLAN filter for each MAC */
2854 ret = i40e_add_vlan_all_mac(vsi, vlan_id);
2856 dev_info(&vsi->back->pdev->dev,
2857 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2858 vsi->back->hw.aq.asq_last_status);
2859 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2863 /* remove the previously added non-VLAN MAC filters */
2864 i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY);
2867 spin_unlock_bh(&vsi->mac_filter_hash_lock);
2869 /* Schedule the worker thread to take care of applying changes */
2870 i40e_service_event_schedule(vsi->back);
2873 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2877 /* The Port VLAN needs to be saved across resets the same as the
2878 * default LAN MAC address.
2880 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2887 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2888 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2890 * i40e_ndo_set_vf_bw
2891 * @netdev: network interface device structure
2892 * @vf_id: VF identifier
2895 * configure VF Tx rate
2897 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2900 struct i40e_netdev_priv *np = netdev_priv(netdev);
2901 struct i40e_pf *pf = np->vsi->back;
2902 struct i40e_vsi *vsi;
2907 /* validate the request */
2908 if (vf_id >= pf->num_alloc_vfs) {
2909 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2915 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2916 min_tx_rate, vf_id);
2920 vf = &(pf->vf[vf_id]);
2921 vsi = pf->vsi[vf->lan_vsi_idx];
2922 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2923 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2929 switch (pf->hw.phy.link_info.link_speed) {
2930 case I40E_LINK_SPEED_40GB:
2933 case I40E_LINK_SPEED_25GB:
2936 case I40E_LINK_SPEED_20GB:
2939 case I40E_LINK_SPEED_10GB:
2942 case I40E_LINK_SPEED_1GB:
2949 if (max_tx_rate > speed) {
2950 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.\n",
2951 max_tx_rate, vf->vf_id);
2956 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2957 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2961 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2962 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2963 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2964 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2966 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2971 vf->tx_rate = max_tx_rate;
2977 * i40e_ndo_get_vf_config
2978 * @netdev: network interface device structure
2979 * @vf_id: VF identifier
2980 * @ivi: VF configuration structure
2982 * return VF configuration
2984 int i40e_ndo_get_vf_config(struct net_device *netdev,
2985 int vf_id, struct ifla_vf_info *ivi)
2987 struct i40e_netdev_priv *np = netdev_priv(netdev);
2988 struct i40e_vsi *vsi = np->vsi;
2989 struct i40e_pf *pf = vsi->back;
2993 /* validate the request */
2994 if (vf_id >= pf->num_alloc_vfs) {
2995 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3000 vf = &(pf->vf[vf_id]);
3001 /* first vsi is always the LAN vsi */
3002 vsi = pf->vsi[vf->lan_vsi_idx];
3003 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3004 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3012 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
3014 ivi->max_tx_rate = vf->tx_rate;
3015 ivi->min_tx_rate = 0;
3016 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
3017 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
3018 I40E_VLAN_PRIORITY_SHIFT;
3019 if (vf->link_forced == false)
3020 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
3021 else if (vf->link_up == true)
3022 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
3024 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
3025 ivi->spoofchk = vf->spoofchk;
3026 ivi->trusted = vf->trusted;
3034 * i40e_ndo_set_vf_link_state
3035 * @netdev: network interface device structure
3036 * @vf_id: VF identifier
3037 * @link: required link state
3039 * Set the link state of a specified VF, regardless of physical link state
3041 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
3043 struct i40e_netdev_priv *np = netdev_priv(netdev);
3044 struct i40e_pf *pf = np->vsi->back;
3045 struct i40e_virtchnl_pf_event pfe;
3046 struct i40e_hw *hw = &pf->hw;
3051 /* validate the request */
3052 if (vf_id >= pf->num_alloc_vfs) {
3053 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3058 vf = &pf->vf[vf_id];
3059 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
3061 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
3062 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
3065 case IFLA_VF_LINK_STATE_AUTO:
3066 vf->link_forced = false;
3067 pfe.event_data.link_event.link_status =
3068 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
3069 pfe.event_data.link_event.link_speed =
3070 pf->hw.phy.link_info.link_speed;
3072 case IFLA_VF_LINK_STATE_ENABLE:
3073 vf->link_forced = true;
3075 pfe.event_data.link_event.link_status = true;
3076 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
3078 case IFLA_VF_LINK_STATE_DISABLE:
3079 vf->link_forced = true;
3080 vf->link_up = false;
3081 pfe.event_data.link_event.link_status = false;
3082 pfe.event_data.link_event.link_speed = 0;
3088 /* Notify the VF of its new link state */
3089 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
3090 0, (u8 *)&pfe, sizeof(pfe), NULL);
3097 * i40e_ndo_set_vf_spoofchk
3098 * @netdev: network interface device structure
3099 * @vf_id: VF identifier
3100 * @enable: flag to enable or disable feature
3102 * Enable or disable VF spoof checking
3104 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
3106 struct i40e_netdev_priv *np = netdev_priv(netdev);
3107 struct i40e_vsi *vsi = np->vsi;
3108 struct i40e_pf *pf = vsi->back;
3109 struct i40e_vsi_context ctxt;
3110 struct i40e_hw *hw = &pf->hw;
3114 /* validate the request */
3115 if (vf_id >= pf->num_alloc_vfs) {
3116 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3121 vf = &(pf->vf[vf_id]);
3122 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3123 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3129 if (enable == vf->spoofchk)
3132 vf->spoofchk = enable;
3133 memset(&ctxt, 0, sizeof(ctxt));
3134 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
3135 ctxt.pf_num = pf->hw.pf_id;
3136 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
3138 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
3139 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
3140 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
3142 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
3151 * i40e_ndo_set_vf_trust
3152 * @netdev: network interface device structure of the pf
3153 * @vf_id: VF identifier
3154 * @setting: trust setting
3156 * Enable or disable VF trust setting
3158 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
3160 struct i40e_netdev_priv *np = netdev_priv(netdev);
3161 struct i40e_pf *pf = np->vsi->back;
3165 /* validate the request */
3166 if (vf_id >= pf->num_alloc_vfs) {
3167 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3171 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3172 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
3176 vf = &pf->vf[vf_id];
3180 if (setting == vf->trusted)
3183 vf->trusted = setting;
3184 i40e_vc_notify_vf_reset(vf);
3185 i40e_reset_vf(vf, false);
3186 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
3187 vf_id, setting ? "" : "un");