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 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
506 vsi = i40e_find_vsi_from_id(pf, vsi_id);
508 /* clear the context structure first */
509 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
511 /* only set the required fields */
512 tx_ctx.base = info->dma_ring_addr / 128;
513 tx_ctx.qlen = info->ring_len;
514 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
515 tx_ctx.rdylist_act = 0;
516 tx_ctx.head_wb_ena = info->headwb_enabled;
517 tx_ctx.head_wb_addr = info->dma_headwb_addr;
519 /* clear the context in the HMC */
520 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
522 dev_err(&pf->pdev->dev,
523 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
529 /* set the context in the HMC */
530 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
532 dev_err(&pf->pdev->dev,
533 "Failed to set VF LAN Tx queue context %d error: %d\n",
539 /* associate this queue with the PCI VF function */
540 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
541 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
542 & I40E_QTX_CTL_PF_INDX_MASK);
543 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
544 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
545 & I40E_QTX_CTL_VFVM_INDX_MASK);
546 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
554 * i40e_config_vsi_rx_queue
555 * @vf: pointer to the VF info
556 * @vsi_id: id of VSI as provided by the FW
557 * @vsi_queue_id: vsi relative queue index
558 * @info: config. info
562 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
564 struct i40e_virtchnl_rxq_info *info)
566 struct i40e_pf *pf = vf->pf;
567 struct i40e_hw *hw = &pf->hw;
568 struct i40e_hmc_obj_rxq rx_ctx;
572 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
574 /* clear the context structure first */
575 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
577 /* only set the required fields */
578 rx_ctx.base = info->dma_ring_addr / 128;
579 rx_ctx.qlen = info->ring_len;
581 if (info->splithdr_enabled) {
582 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
584 I40E_RX_SPLIT_TCP_UDP |
586 /* header length validation */
587 if (info->hdr_size > ((2 * 1024) - 64)) {
591 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
593 /* set split mode 10b */
594 rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT;
597 /* databuffer length validation */
598 if (info->databuffer_size > ((16 * 1024) - 128)) {
602 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
604 /* max pkt. length validation */
605 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
609 rx_ctx.rxmax = info->max_pkt_size;
611 /* enable 32bytes desc always */
615 rx_ctx.lrxqthresh = 2;
620 /* clear the context in the HMC */
621 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
623 dev_err(&pf->pdev->dev,
624 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
630 /* set the context in the HMC */
631 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
633 dev_err(&pf->pdev->dev,
634 "Failed to set VF LAN Rx queue context %d error: %d\n",
646 * @vf: pointer to the VF info
647 * @type: type of VSI to allocate
649 * alloc VF vsi context & resources
651 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
653 struct i40e_mac_filter *f = NULL;
654 struct i40e_pf *pf = vf->pf;
655 struct i40e_vsi *vsi;
658 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
661 dev_err(&pf->pdev->dev,
662 "add vsi failed for VF %d, aq_err %d\n",
663 vf->vf_id, pf->hw.aq.asq_last_status);
665 goto error_alloc_vsi_res;
667 if (type == I40E_VSI_SRIOV) {
668 vf->lan_vsi_idx = vsi->idx;
669 vf->lan_vsi_id = vsi->id;
670 /* If the port VLAN has been configured and then the
671 * VF driver was removed then the VSI port VLAN
672 * configuration was destroyed. Check if there is
673 * a port VLAN and restore the VSI configuration if
676 if (vf->port_vlan_id)
677 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
679 spin_lock_bh(&vsi->mac_filter_list_lock);
680 if (is_valid_ether_addr(vf->default_lan_addr.addr)) {
681 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
682 vf->port_vlan_id ? vf->port_vlan_id : -1,
685 dev_info(&pf->pdev->dev,
686 "Could not add MAC filter %pM for VF %d\n",
687 vf->default_lan_addr.addr, vf->vf_id);
689 spin_unlock_bh(&vsi->mac_filter_list_lock);
692 /* program mac filter */
693 ret = i40e_sync_vsi_filters(vsi);
695 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
697 /* Set VF bandwidth if specified */
699 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
700 vf->tx_rate / 50, 0, NULL);
702 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
711 * i40e_enable_vf_mappings
712 * @vf: pointer to the VF info
716 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
718 struct i40e_pf *pf = vf->pf;
719 struct i40e_hw *hw = &pf->hw;
720 u32 reg, total_queue_pairs = 0;
723 /* Tell the hardware we're using noncontiguous mapping. HW requires
724 * that VF queues be mapped using this method, even when they are
725 * contiguous in real life
727 i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
728 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
730 /* enable VF vplan_qtable mappings */
731 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
732 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
734 /* map PF queues to VF queues */
735 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
736 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
738 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
739 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
743 /* map PF queues to VSI */
744 for (j = 0; j < 7; j++) {
745 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
746 reg = 0x07FF07FF; /* unused */
748 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
751 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
755 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id),
763 * i40e_disable_vf_mappings
764 * @vf: pointer to the VF info
766 * disable VF mappings
768 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
770 struct i40e_pf *pf = vf->pf;
771 struct i40e_hw *hw = &pf->hw;
774 /* disable qp mappings */
775 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
776 for (i = 0; i < I40E_MAX_VSI_QP; i++)
777 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
778 I40E_QUEUE_END_OF_LIST);
784 * @vf: pointer to the VF info
788 static void i40e_free_vf_res(struct i40e_vf *vf)
790 struct i40e_pf *pf = vf->pf;
791 struct i40e_hw *hw = &pf->hw;
795 /* free vsi & disconnect it from the parent uplink */
796 if (vf->lan_vsi_idx) {
797 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
801 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
803 /* disable interrupts so the VF starts in a known state */
804 for (i = 0; i < msix_vf; i++) {
805 /* format is same for both registers */
807 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
809 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
812 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
816 /* clear the irq settings */
817 for (i = 0; i < msix_vf; i++) {
818 /* format is same for both registers */
820 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
822 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
825 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
826 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
827 wr32(hw, reg_idx, reg);
830 /* reset some of the state varibles keeping
831 * track of the resources
833 vf->num_queue_pairs = 0;
835 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
840 * @vf: pointer to the VF info
842 * allocate VF resources
844 static int i40e_alloc_vf_res(struct i40e_vf *vf)
846 struct i40e_pf *pf = vf->pf;
847 int total_queue_pairs = 0;
850 /* allocate hw vsi context & associated resources */
851 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
854 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
857 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
859 clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
861 /* store the total qps number for the runtime
864 vf->num_queue_pairs = total_queue_pairs;
866 /* VF is now completely initialized */
867 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
871 i40e_free_vf_res(vf);
876 #define VF_DEVICE_STATUS 0xAA
877 #define VF_TRANS_PENDING_MASK 0x20
879 * i40e_quiesce_vf_pci
880 * @vf: pointer to the VF structure
882 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
883 * if the transactions never clear.
885 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
887 struct i40e_pf *pf = vf->pf;
888 struct i40e_hw *hw = &pf->hw;
892 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
894 wr32(hw, I40E_PF_PCI_CIAA,
895 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
896 for (i = 0; i < 100; i++) {
897 reg = rd32(hw, I40E_PF_PCI_CIAD);
898 if ((reg & VF_TRANS_PENDING_MASK) == 0)
907 * @vf: pointer to the VF structure
908 * @flr: VFLR was issued or not
912 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
914 struct i40e_pf *pf = vf->pf;
915 struct i40e_hw *hw = &pf->hw;
916 u32 reg, reg_idx, bit_idx;
920 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
924 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
926 /* In the case of a VFLR, the HW has already reset the VF and we
927 * just need to clean up, so don't hit the VFRTRIG register.
930 /* reset VF using VPGEN_VFRTRIG reg */
931 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
932 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
933 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
936 /* clear the VFLR bit in GLGEN_VFLRSTAT */
937 reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32;
938 bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32;
939 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
942 if (i40e_quiesce_vf_pci(vf))
943 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
946 /* poll VPGEN_VFRSTAT reg to make sure
947 * that reset is complete
949 for (i = 0; i < 10; i++) {
950 /* VF reset requires driver to first reset the VF and then
951 * poll the status register to make sure that the reset
952 * completed successfully. Due to internal HW FIFO flushes,
953 * we must wait 10ms before the register will be valid.
955 usleep_range(10000, 20000);
956 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
957 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
964 usleep_range(10000, 20000);
967 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
969 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
970 /* clear the reset bit in the VPGEN_VFRTRIG reg */
971 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
972 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
973 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
975 /* On initial reset, we won't have any queues */
976 if (vf->lan_vsi_idx == 0)
979 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false);
981 /* reallocate VF resources to reset the VSI state */
982 i40e_free_vf_res(vf);
983 if (!i40e_alloc_vf_res(vf)) {
984 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
985 i40e_enable_vf_mappings(vf);
986 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
987 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
988 i40e_notify_client_of_vf_reset(pf, abs_vf_id);
990 /* tell the VF the reset is done */
991 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
994 clear_bit(__I40E_VF_DISABLE, &pf->state);
999 * @pf: pointer to the PF structure
1003 void i40e_free_vfs(struct i40e_pf *pf)
1005 struct i40e_hw *hw = &pf->hw;
1006 u32 reg_idx, bit_idx;
1011 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
1012 usleep_range(1000, 2000);
1014 i40e_notify_client_of_vf_enable(pf, 0);
1015 for (i = 0; i < pf->num_alloc_vfs; i++)
1016 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1017 i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx],
1020 /* Disable IOV before freeing resources. This lets any VF drivers
1021 * running in the host get themselves cleaned up before we yank
1022 * the carpet out from underneath their feet.
1024 if (!pci_vfs_assigned(pf->pdev))
1025 pci_disable_sriov(pf->pdev);
1027 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
1029 msleep(20); /* let any messages in transit get finished up */
1031 /* free up VF resources */
1032 tmp = pf->num_alloc_vfs;
1033 pf->num_alloc_vfs = 0;
1034 for (i = 0; i < tmp; i++) {
1035 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
1036 i40e_free_vf_res(&pf->vf[i]);
1037 /* disable qp mappings */
1038 i40e_disable_vf_mappings(&pf->vf[i]);
1044 /* This check is for when the driver is unloaded while VFs are
1045 * assigned. Setting the number of VFs to 0 through sysfs is caught
1046 * before this function ever gets called.
1048 if (!pci_vfs_assigned(pf->pdev)) {
1049 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
1050 * work correctly when SR-IOV gets re-enabled.
1052 for (vf_id = 0; vf_id < tmp; vf_id++) {
1053 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1054 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1055 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
1058 clear_bit(__I40E_VF_DISABLE, &pf->state);
1061 #ifdef CONFIG_PCI_IOV
1064 * @pf: pointer to the PF structure
1065 * @num_alloc_vfs: number of VFs to allocate
1067 * allocate VF resources
1069 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
1071 struct i40e_vf *vfs;
1074 /* Disable interrupt 0 so we don't try to handle the VFLR. */
1075 i40e_irq_dynamic_disable_icr0(pf);
1077 /* Check to see if we're just allocating resources for extant VFs */
1078 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
1079 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
1081 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1082 pf->num_alloc_vfs = 0;
1086 i40e_notify_client_of_vf_enable(pf, num_alloc_vfs);
1087 /* allocate memory */
1088 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
1095 /* apply default profile */
1096 for (i = 0; i < num_alloc_vfs; i++) {
1098 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
1101 /* assign default capabilities */
1102 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
1103 vfs[i].spoofchk = true;
1104 /* VF resources get allocated during reset */
1105 i40e_reset_vf(&vfs[i], false);
1108 pf->num_alloc_vfs = num_alloc_vfs;
1114 /* Re-enable interrupt 0. */
1115 i40e_irq_dynamic_enable_icr0(pf, false);
1121 * i40e_pci_sriov_enable
1122 * @pdev: pointer to a pci_dev structure
1123 * @num_vfs: number of VFs to allocate
1125 * Enable or change the number of VFs
1127 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1129 #ifdef CONFIG_PCI_IOV
1130 struct i40e_pf *pf = pci_get_drvdata(pdev);
1131 int pre_existing_vfs = pci_num_vf(pdev);
1134 if (test_bit(__I40E_TESTING, &pf->state)) {
1135 dev_warn(&pdev->dev,
1136 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1141 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1143 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1146 if (num_vfs > pf->num_req_vfs) {
1147 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1148 num_vfs, pf->num_req_vfs);
1153 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1154 err = i40e_alloc_vfs(pf, num_vfs);
1156 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1170 * i40e_pci_sriov_configure
1171 * @pdev: pointer to a pci_dev structure
1172 * @num_vfs: number of VFs to allocate
1174 * Enable or change the number of VFs. Called when the user updates the number
1177 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1179 struct i40e_pf *pf = pci_get_drvdata(pdev);
1182 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1183 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1184 i40e_do_reset_safe(pf,
1185 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1187 return i40e_pci_sriov_enable(pdev, num_vfs);
1190 if (!pci_vfs_assigned(pf->pdev)) {
1192 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1193 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1195 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1201 /***********************virtual channel routines******************/
1204 * i40e_vc_send_msg_to_vf
1205 * @vf: pointer to the VF info
1206 * @v_opcode: virtual channel opcode
1207 * @v_retval: virtual channel return value
1208 * @msg: pointer to the msg buffer
1209 * @msglen: msg length
1213 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1214 u32 v_retval, u8 *msg, u16 msglen)
1221 /* validate the request */
1222 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1227 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1229 /* single place to detect unsuccessful return values */
1231 vf->num_invalid_msgs++;
1232 dev_info(&pf->pdev->dev, "VF %d failed opcode %d, retval: %d\n",
1233 vf->vf_id, v_opcode, v_retval);
1234 if (vf->num_invalid_msgs >
1235 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1236 dev_err(&pf->pdev->dev,
1237 "Number of invalid messages exceeded for VF %d\n",
1239 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1240 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1243 vf->num_valid_msgs++;
1244 /* reset the invalid counter, if a valid message is received. */
1245 vf->num_invalid_msgs = 0;
1248 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1251 dev_info(&pf->pdev->dev,
1252 "Unable to send the message to VF %d aq_err %d\n",
1253 vf->vf_id, pf->hw.aq.asq_last_status);
1261 * i40e_vc_send_resp_to_vf
1262 * @vf: pointer to the VF info
1263 * @opcode: operation code
1264 * @retval: return value
1266 * send resp msg to VF
1268 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1269 enum i40e_virtchnl_ops opcode,
1272 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1276 * i40e_vc_get_version_msg
1277 * @vf: pointer to the VF info
1279 * called from the VF to request the API version used by the PF
1281 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1283 struct i40e_virtchnl_version_info info = {
1284 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1287 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1288 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1290 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1291 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1292 I40E_SUCCESS, (u8 *)&info,
1294 i40e_virtchnl_version_info));
1298 * i40e_vc_get_vf_resources_msg
1299 * @vf: pointer to the VF info
1300 * @msg: pointer to the msg buffer
1301 * @msglen: msg length
1303 * called from the VF to request its resources
1305 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1307 struct i40e_virtchnl_vf_resource *vfres = NULL;
1308 struct i40e_pf *pf = vf->pf;
1309 i40e_status aq_ret = 0;
1310 struct i40e_vsi *vsi;
1315 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1316 aq_ret = I40E_ERR_PARAM;
1320 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1321 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1323 vfres = kzalloc(len, GFP_KERNEL);
1325 aq_ret = I40E_ERR_NO_MEMORY;
1330 vf->driver_caps = *(u32 *)msg;
1332 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1333 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1334 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1336 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1337 vsi = pf->vsi[vf->lan_vsi_idx];
1338 if (!vsi->info.pvid)
1339 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1341 if (i40e_vf_client_capable(pf, vf->vf_id, I40E_CLIENT_IWARP) &&
1342 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) {
1343 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP;
1344 set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states);
1347 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1348 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_PF;
1350 if ((pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) &&
1351 (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ))
1352 vfres->vf_offload_flags |=
1353 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1355 vfres->vf_offload_flags |=
1356 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1359 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) {
1360 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
1361 vfres->vf_offload_flags |=
1362 I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
1365 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) {
1366 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
1367 dev_err(&pf->pdev->dev,
1368 "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n",
1370 ret = I40E_ERR_PARAM;
1373 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1376 if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) {
1377 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
1378 vfres->vf_offload_flags |=
1379 I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
1382 vfres->num_vsis = num_vsis;
1383 vfres->num_queue_pairs = vf->num_queue_pairs;
1384 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1385 vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE;
1386 vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE;
1388 if (vf->lan_vsi_idx) {
1389 vfres->vsi_res[0].vsi_id = vf->lan_vsi_id;
1390 vfres->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
1391 vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs;
1392 /* VFs only use TC 0 */
1393 vfres->vsi_res[0].qset_handle
1394 = le16_to_cpu(vsi->info.qs_handle[0]);
1395 ether_addr_copy(vfres->vsi_res[0].default_mac_addr,
1396 vf->default_lan_addr.addr);
1398 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1401 /* send the response back to the VF */
1402 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1403 aq_ret, (u8 *)vfres, len);
1410 * i40e_vc_reset_vf_msg
1411 * @vf: pointer to the VF info
1412 * @msg: pointer to the msg buffer
1413 * @msglen: msg length
1415 * called from the VF to reset itself,
1416 * unlike other virtchnl messages, PF driver
1417 * doesn't send the response back to the VF
1419 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1421 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1422 i40e_reset_vf(vf, false);
1426 * i40e_getnum_vf_vsi_vlan_filters
1427 * @vsi: pointer to the vsi
1429 * called to get the number of VLANs offloaded on this VF
1431 static inline int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi)
1433 struct i40e_mac_filter *f;
1436 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1437 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID)
1445 * i40e_vc_config_promiscuous_mode_msg
1446 * @vf: pointer to the VF info
1447 * @msg: pointer to the msg buffer
1448 * @msglen: msg length
1450 * called from the VF to configure the promiscuous mode of
1453 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1454 u8 *msg, u16 msglen)
1456 struct i40e_virtchnl_promisc_info *info =
1457 (struct i40e_virtchnl_promisc_info *)msg;
1458 struct i40e_pf *pf = vf->pf;
1459 struct i40e_hw *hw = &pf->hw;
1460 struct i40e_mac_filter *f;
1461 i40e_status aq_ret = 0;
1462 bool allmulti = false;
1463 struct i40e_vsi *vsi;
1464 bool alluni = false;
1467 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1468 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1469 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) {
1470 aq_ret = I40E_ERR_PARAM;
1473 if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1474 dev_err(&pf->pdev->dev,
1475 "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1477 /* Lie to the VF on purpose. */
1481 /* Multicast promiscuous handling*/
1482 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1485 if (vf->port_vlan_id) {
1486 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, vsi->seid,
1490 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1491 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1492 if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID)
1494 aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw,
1499 aq_err = pf->hw.aq.asq_last_status;
1501 dev_err(&pf->pdev->dev,
1502 "Could not add VLAN %d to multicast promiscuous domain err %s aq_err %s\n",
1504 i40e_stat_str(&pf->hw, aq_ret),
1505 i40e_aq_str(&pf->hw, aq_err));
1510 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1512 aq_err = pf->hw.aq.asq_last_status;
1514 dev_err(&pf->pdev->dev,
1515 "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n",
1517 i40e_stat_str(&pf->hw, aq_ret),
1518 i40e_aq_str(&pf->hw, aq_err));
1519 goto error_param_int;
1524 dev_info(&pf->pdev->dev,
1525 "VF %d successfully set multicast promiscuous mode\n",
1528 set_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1530 clear_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states);
1533 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1535 if (vf->port_vlan_id) {
1536 aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, vsi->seid,
1540 } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) {
1541 list_for_each_entry(f, &vsi->mac_filter_list, list) {
1543 if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) {
1545 i40e_aq_set_vsi_uc_promisc_on_vlan(hw,
1550 aq_err = pf->hw.aq.asq_last_status;
1553 dev_err(&pf->pdev->dev,
1554 "Could not add VLAN %d to Unicast promiscuous domain err %s aq_err %s\n",
1556 i40e_stat_str(&pf->hw, aq_ret),
1557 i40e_aq_str(&pf->hw, aq_err));
1560 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, vsi->seid,
1563 aq_err = pf->hw.aq.asq_last_status;
1565 dev_err(&pf->pdev->dev,
1566 "VF %d failed to set unicast promiscuous mode %8.8x err %s aq_err %s\n",
1567 vf->vf_id, info->flags,
1568 i40e_stat_str(&pf->hw, aq_ret),
1569 i40e_aq_str(&pf->hw, aq_err));
1574 dev_info(&pf->pdev->dev,
1575 "VF %d successfully set unicast promiscuous mode\n",
1578 set_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1580 clear_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states);
1584 /* send the response to the VF */
1585 return i40e_vc_send_resp_to_vf(vf,
1586 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1591 * i40e_vc_config_queues_msg
1592 * @vf: pointer to the VF info
1593 * @msg: pointer to the msg buffer
1594 * @msglen: msg length
1596 * called from the VF to configure the rx/tx
1599 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1601 struct i40e_virtchnl_vsi_queue_config_info *qci =
1602 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1603 struct i40e_virtchnl_queue_pair_info *qpi;
1604 struct i40e_pf *pf = vf->pf;
1605 u16 vsi_id, vsi_queue_id;
1606 i40e_status aq_ret = 0;
1609 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1610 aq_ret = I40E_ERR_PARAM;
1614 vsi_id = qci->vsi_id;
1615 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1616 aq_ret = I40E_ERR_PARAM;
1619 for (i = 0; i < qci->num_queue_pairs; i++) {
1620 qpi = &qci->qpair[i];
1621 vsi_queue_id = qpi->txq.queue_id;
1622 if ((qpi->txq.vsi_id != vsi_id) ||
1623 (qpi->rxq.vsi_id != vsi_id) ||
1624 (qpi->rxq.queue_id != vsi_queue_id) ||
1625 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1626 aq_ret = I40E_ERR_PARAM;
1630 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1632 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1634 aq_ret = I40E_ERR_PARAM;
1638 /* set vsi num_queue_pairs in use to num configured by VF */
1639 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1642 /* send the response to the VF */
1643 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1648 * i40e_vc_config_irq_map_msg
1649 * @vf: pointer to the VF info
1650 * @msg: pointer to the msg buffer
1651 * @msglen: msg length
1653 * called from the VF to configure the irq to
1656 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1658 struct i40e_virtchnl_irq_map_info *irqmap_info =
1659 (struct i40e_virtchnl_irq_map_info *)msg;
1660 struct i40e_virtchnl_vector_map *map;
1661 u16 vsi_id, vsi_queue_id, vector_id;
1662 i40e_status aq_ret = 0;
1663 unsigned long tempmap;
1666 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1667 aq_ret = I40E_ERR_PARAM;
1671 for (i = 0; i < irqmap_info->num_vectors; i++) {
1672 map = &irqmap_info->vecmap[i];
1674 vector_id = map->vector_id;
1675 vsi_id = map->vsi_id;
1676 /* validate msg params */
1677 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1678 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1679 aq_ret = I40E_ERR_PARAM;
1683 /* lookout for the invalid queue index */
1684 tempmap = map->rxq_map;
1685 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1686 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1688 aq_ret = I40E_ERR_PARAM;
1693 tempmap = map->txq_map;
1694 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1695 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1697 aq_ret = I40E_ERR_PARAM;
1702 i40e_config_irq_link_list(vf, vsi_id, map);
1705 /* send the response to the VF */
1706 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1711 * i40e_vc_enable_queues_msg
1712 * @vf: pointer to the VF info
1713 * @msg: pointer to the msg buffer
1714 * @msglen: msg length
1716 * called from the VF to enable all or specific queue(s)
1718 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1720 struct i40e_virtchnl_queue_select *vqs =
1721 (struct i40e_virtchnl_queue_select *)msg;
1722 struct i40e_pf *pf = vf->pf;
1723 u16 vsi_id = vqs->vsi_id;
1724 i40e_status aq_ret = 0;
1726 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1727 aq_ret = I40E_ERR_PARAM;
1731 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1732 aq_ret = I40E_ERR_PARAM;
1736 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1737 aq_ret = I40E_ERR_PARAM;
1741 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true))
1742 aq_ret = I40E_ERR_TIMEOUT;
1744 /* send the response to the VF */
1745 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1750 * i40e_vc_disable_queues_msg
1751 * @vf: pointer to the VF info
1752 * @msg: pointer to the msg buffer
1753 * @msglen: msg length
1755 * called from the VF to disable all or specific
1758 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1760 struct i40e_virtchnl_queue_select *vqs =
1761 (struct i40e_virtchnl_queue_select *)msg;
1762 struct i40e_pf *pf = vf->pf;
1763 i40e_status aq_ret = 0;
1765 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1766 aq_ret = I40E_ERR_PARAM;
1770 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1771 aq_ret = I40E_ERR_PARAM;
1775 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1776 aq_ret = I40E_ERR_PARAM;
1780 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false))
1781 aq_ret = I40E_ERR_TIMEOUT;
1784 /* send the response to the VF */
1785 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1790 * i40e_vc_get_stats_msg
1791 * @vf: pointer to the VF info
1792 * @msg: pointer to the msg buffer
1793 * @msglen: msg length
1795 * called from the VF to get vsi stats
1797 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1799 struct i40e_virtchnl_queue_select *vqs =
1800 (struct i40e_virtchnl_queue_select *)msg;
1801 struct i40e_pf *pf = vf->pf;
1802 struct i40e_eth_stats stats;
1803 i40e_status aq_ret = 0;
1804 struct i40e_vsi *vsi;
1806 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1808 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1809 aq_ret = I40E_ERR_PARAM;
1813 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1814 aq_ret = I40E_ERR_PARAM;
1818 vsi = pf->vsi[vf->lan_vsi_idx];
1820 aq_ret = I40E_ERR_PARAM;
1823 i40e_update_eth_stats(vsi);
1824 stats = vsi->eth_stats;
1827 /* send the response back to the VF */
1828 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1829 (u8 *)&stats, sizeof(stats));
1832 /* If the VF is not trusted restrict the number of MAC/VLAN it can program */
1833 #define I40E_VC_MAX_MAC_ADDR_PER_VF 8
1834 #define I40E_VC_MAX_VLAN_PER_VF 8
1837 * i40e_check_vf_permission
1838 * @vf: pointer to the VF info
1839 * @macaddr: pointer to the MAC Address being checked
1841 * Check if the VF has permission to add or delete unicast MAC address
1842 * filters and return error code -EPERM if not. Then check if the
1843 * address filter requested is broadcast or zero and if so return
1844 * an invalid MAC address error code.
1846 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1848 struct i40e_pf *pf = vf->pf;
1851 if (is_broadcast_ether_addr(macaddr) ||
1852 is_zero_ether_addr(macaddr)) {
1853 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1854 ret = I40E_ERR_INVALID_MAC_ADDR;
1855 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1856 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) &&
1857 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1858 /* If the host VMM administrator has set the VF MAC address
1859 * administratively via the ndo_set_vf_mac command then deny
1860 * permission to the VF to add or delete unicast MAC addresses.
1861 * Unless the VF is privileged and then it can do whatever.
1862 * The VF may request to set the MAC address filter already
1863 * assigned to it so do not return an error in that case.
1865 dev_err(&pf->pdev->dev,
1866 "VF attempting to override administratively set MAC address, reload the VF driver to resume normal operation\n");
1868 } else if ((vf->num_mac >= I40E_VC_MAX_MAC_ADDR_PER_VF) &&
1869 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
1870 dev_err(&pf->pdev->dev,
1871 "VF is not trusted, switch the VF to trusted to add more functionality\n");
1878 * i40e_vc_add_mac_addr_msg
1879 * @vf: pointer to the VF info
1880 * @msg: pointer to the msg buffer
1881 * @msglen: msg length
1883 * add guest mac address filter
1885 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1887 struct i40e_virtchnl_ether_addr_list *al =
1888 (struct i40e_virtchnl_ether_addr_list *)msg;
1889 struct i40e_pf *pf = vf->pf;
1890 struct i40e_vsi *vsi = NULL;
1891 u16 vsi_id = al->vsi_id;
1892 i40e_status ret = 0;
1895 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1896 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1897 ret = I40E_ERR_PARAM;
1901 for (i = 0; i < al->num_elements; i++) {
1902 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1906 vsi = pf->vsi[vf->lan_vsi_idx];
1908 /* Lock once, because all function inside for loop accesses VSI's
1909 * MAC filter list which needs to be protected using same lock.
1911 spin_lock_bh(&vsi->mac_filter_list_lock);
1913 /* add new addresses to the list */
1914 for (i = 0; i < al->num_elements; i++) {
1915 struct i40e_mac_filter *f;
1917 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1919 if (i40e_is_vsi_in_vlan(vsi))
1920 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1923 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1928 dev_err(&pf->pdev->dev,
1929 "Unable to add MAC filter %pM for VF %d\n",
1930 al->list[i].addr, vf->vf_id);
1931 ret = I40E_ERR_PARAM;
1932 spin_unlock_bh(&vsi->mac_filter_list_lock);
1938 spin_unlock_bh(&vsi->mac_filter_list_lock);
1940 /* program the updated filter list */
1941 ret = i40e_sync_vsi_filters(vsi);
1943 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
1947 /* send the response to the VF */
1948 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1953 * i40e_vc_del_mac_addr_msg
1954 * @vf: pointer to the VF info
1955 * @msg: pointer to the msg buffer
1956 * @msglen: msg length
1958 * remove guest mac address filter
1960 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1962 struct i40e_virtchnl_ether_addr_list *al =
1963 (struct i40e_virtchnl_ether_addr_list *)msg;
1964 struct i40e_pf *pf = vf->pf;
1965 struct i40e_vsi *vsi = NULL;
1966 u16 vsi_id = al->vsi_id;
1967 i40e_status ret = 0;
1970 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1971 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1972 ret = I40E_ERR_PARAM;
1976 for (i = 0; i < al->num_elements; i++) {
1977 if (is_broadcast_ether_addr(al->list[i].addr) ||
1978 is_zero_ether_addr(al->list[i].addr)) {
1979 dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n",
1980 al->list[i].addr, vf->vf_id);
1981 ret = I40E_ERR_INVALID_MAC_ADDR;
1985 vsi = pf->vsi[vf->lan_vsi_idx];
1987 spin_lock_bh(&vsi->mac_filter_list_lock);
1988 /* delete addresses from the list */
1989 for (i = 0; i < al->num_elements; i++)
1990 if (i40e_del_mac_all_vlan(vsi, al->list[i].addr, true, false)) {
1991 ret = I40E_ERR_INVALID_MAC_ADDR;
1992 spin_unlock_bh(&vsi->mac_filter_list_lock);
1998 spin_unlock_bh(&vsi->mac_filter_list_lock);
2000 /* program the updated filter list */
2001 ret = i40e_sync_vsi_filters(vsi);
2003 dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
2007 /* send the response to the VF */
2008 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
2013 * i40e_vc_add_vlan_msg
2014 * @vf: pointer to the VF info
2015 * @msg: pointer to the msg buffer
2016 * @msglen: msg length
2018 * program guest vlan id
2020 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2022 struct i40e_virtchnl_vlan_filter_list *vfl =
2023 (struct i40e_virtchnl_vlan_filter_list *)msg;
2024 struct i40e_pf *pf = vf->pf;
2025 struct i40e_vsi *vsi = NULL;
2026 u16 vsi_id = vfl->vsi_id;
2027 i40e_status aq_ret = 0;
2030 if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) &&
2031 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
2032 dev_err(&pf->pdev->dev,
2033 "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n");
2036 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2037 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2038 aq_ret = I40E_ERR_PARAM;
2042 for (i = 0; i < vfl->num_elements; i++) {
2043 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2044 aq_ret = I40E_ERR_PARAM;
2045 dev_err(&pf->pdev->dev,
2046 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
2050 vsi = pf->vsi[vf->lan_vsi_idx];
2051 if (vsi->info.pvid) {
2052 aq_ret = I40E_ERR_PARAM;
2056 i40e_vlan_stripping_enable(vsi);
2057 for (i = 0; i < vfl->num_elements; i++) {
2058 /* add new VLAN filter */
2059 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
2063 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2064 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2068 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2069 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2075 dev_err(&pf->pdev->dev,
2076 "Unable to add VLAN filter %d for VF %d, error %d\n",
2077 vfl->vlan_id[i], vf->vf_id, ret);
2081 /* send the response to the VF */
2082 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
2086 * i40e_vc_remove_vlan_msg
2087 * @vf: pointer to the VF info
2088 * @msg: pointer to the msg buffer
2089 * @msglen: msg length
2091 * remove programmed guest vlan id
2093 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2095 struct i40e_virtchnl_vlan_filter_list *vfl =
2096 (struct i40e_virtchnl_vlan_filter_list *)msg;
2097 struct i40e_pf *pf = vf->pf;
2098 struct i40e_vsi *vsi = NULL;
2099 u16 vsi_id = vfl->vsi_id;
2100 i40e_status aq_ret = 0;
2103 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2104 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
2105 aq_ret = I40E_ERR_PARAM;
2109 for (i = 0; i < vfl->num_elements; i++) {
2110 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
2111 aq_ret = I40E_ERR_PARAM;
2116 vsi = pf->vsi[vf->lan_vsi_idx];
2117 if (vsi->info.pvid) {
2118 aq_ret = I40E_ERR_PARAM;
2122 for (i = 0; i < vfl->num_elements; i++) {
2123 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
2127 if (test_bit(I40E_VF_STAT_UC_PROMISC, &vf->vf_states))
2128 i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid,
2132 if (test_bit(I40E_VF_STAT_MC_PROMISC, &vf->vf_states))
2133 i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid,
2139 dev_err(&pf->pdev->dev,
2140 "Unable to delete VLAN filter %d for VF %d, error %d\n",
2141 vfl->vlan_id[i], vf->vf_id, ret);
2145 /* send the response to the VF */
2146 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
2151 * @vf: pointer to the VF info
2152 * @msg: pointer to the msg buffer
2153 * @msglen: msg length
2155 * called from the VF for the iwarp msgs
2157 static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
2159 struct i40e_pf *pf = vf->pf;
2160 int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id;
2161 i40e_status aq_ret = 0;
2163 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2164 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2165 aq_ret = I40E_ERR_PARAM;
2169 i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id,
2173 /* send the response to the VF */
2174 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP,
2179 * i40e_vc_iwarp_qvmap_msg
2180 * @vf: pointer to the VF info
2181 * @msg: pointer to the msg buffer
2182 * @msglen: msg length
2183 * @config: config qvmap or release it
2185 * called from the VF for the iwarp msgs
2187 static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen,
2190 struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info =
2191 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2192 i40e_status aq_ret = 0;
2194 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2195 !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) {
2196 aq_ret = I40E_ERR_PARAM;
2201 if (i40e_config_iwarp_qvlist(vf, qvlist_info))
2202 aq_ret = I40E_ERR_PARAM;
2204 i40e_release_iwarp_qvlist(vf);
2208 /* send the response to the VF */
2209 return i40e_vc_send_resp_to_vf(vf,
2210 config ? I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP :
2211 I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP,
2216 * i40e_vc_config_rss_key
2217 * @vf: pointer to the VF info
2218 * @msg: pointer to the msg buffer
2219 * @msglen: msg length
2221 * Configure the VF's RSS key
2223 static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg, u16 msglen)
2225 struct i40e_virtchnl_rss_key *vrk =
2226 (struct i40e_virtchnl_rss_key *)msg;
2227 struct i40e_pf *pf = vf->pf;
2228 struct i40e_vsi *vsi = NULL;
2229 u16 vsi_id = vrk->vsi_id;
2230 i40e_status aq_ret = 0;
2232 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2233 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2234 (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
2235 aq_ret = I40E_ERR_PARAM;
2239 vsi = pf->vsi[vf->lan_vsi_idx];
2240 aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0);
2242 /* send the response to the VF */
2243 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_KEY,
2248 * i40e_vc_config_rss_lut
2249 * @vf: pointer to the VF info
2250 * @msg: pointer to the msg buffer
2251 * @msglen: msg length
2253 * Configure the VF's RSS LUT
2255 static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg, u16 msglen)
2257 struct i40e_virtchnl_rss_lut *vrl =
2258 (struct i40e_virtchnl_rss_lut *)msg;
2259 struct i40e_pf *pf = vf->pf;
2260 struct i40e_vsi *vsi = NULL;
2261 u16 vsi_id = vrl->vsi_id;
2262 i40e_status aq_ret = 0;
2264 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
2265 !i40e_vc_isvalid_vsi_id(vf, vsi_id) ||
2266 (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
2267 aq_ret = I40E_ERR_PARAM;
2271 vsi = pf->vsi[vf->lan_vsi_idx];
2272 aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE);
2273 /* send the response to the VF */
2275 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_RSS_LUT,
2280 * i40e_vc_get_rss_hena
2281 * @vf: pointer to the VF info
2282 * @msg: pointer to the msg buffer
2283 * @msglen: msg length
2285 * Return the RSS HENA bits allowed by the hardware
2287 static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2289 struct i40e_virtchnl_rss_hena *vrh = NULL;
2290 struct i40e_pf *pf = vf->pf;
2291 i40e_status aq_ret = 0;
2294 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2295 aq_ret = I40E_ERR_PARAM;
2298 len = sizeof(struct i40e_virtchnl_rss_hena);
2300 vrh = kzalloc(len, GFP_KERNEL);
2302 aq_ret = I40E_ERR_NO_MEMORY;
2306 vrh->hena = i40e_pf_get_default_rss_hena(pf);
2308 /* send the response back to the VF */
2309 aq_ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS,
2310 aq_ret, (u8 *)vrh, len);
2315 * i40e_vc_set_rss_hena
2316 * @vf: pointer to the VF info
2317 * @msg: pointer to the msg buffer
2318 * @msglen: msg length
2320 * Set the RSS HENA bits for the VF
2322 static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg, u16 msglen)
2324 struct i40e_virtchnl_rss_hena *vrh =
2325 (struct i40e_virtchnl_rss_hena *)msg;
2326 struct i40e_pf *pf = vf->pf;
2327 struct i40e_hw *hw = &pf->hw;
2328 i40e_status aq_ret = 0;
2330 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
2331 aq_ret = I40E_ERR_PARAM;
2334 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena);
2335 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id),
2336 (u32)(vrh->hena >> 32));
2338 /* send the response to the VF */
2340 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_SET_RSS_HENA,
2345 * i40e_vc_validate_vf_msg
2346 * @vf: pointer to the VF info
2347 * @msg: pointer to the msg buffer
2348 * @msglen: msg length
2349 * @msghndl: msg handle
2353 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
2354 u32 v_retval, u8 *msg, u16 msglen)
2356 bool err_msg_format = false;
2359 /* Check if VF is disabled. */
2360 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
2361 return I40E_ERR_PARAM;
2363 /* Validate message length. */
2365 case I40E_VIRTCHNL_OP_VERSION:
2366 valid_len = sizeof(struct i40e_virtchnl_version_info);
2368 case I40E_VIRTCHNL_OP_RESET_VF:
2370 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2372 valid_len = sizeof(u32);
2374 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
2375 valid_len = sizeof(struct i40e_virtchnl_txq_info);
2377 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
2378 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
2380 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2381 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
2382 if (msglen >= valid_len) {
2383 struct i40e_virtchnl_vsi_queue_config_info *vqc =
2384 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
2385 valid_len += (vqc->num_queue_pairs *
2387 i40e_virtchnl_queue_pair_info));
2388 if (vqc->num_queue_pairs == 0)
2389 err_msg_format = true;
2392 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2393 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
2394 if (msglen >= valid_len) {
2395 struct i40e_virtchnl_irq_map_info *vimi =
2396 (struct i40e_virtchnl_irq_map_info *)msg;
2397 valid_len += (vimi->num_vectors *
2398 sizeof(struct i40e_virtchnl_vector_map));
2399 if (vimi->num_vectors == 0)
2400 err_msg_format = true;
2403 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2404 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2405 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2407 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2408 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2409 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
2410 if (msglen >= valid_len) {
2411 struct i40e_virtchnl_ether_addr_list *veal =
2412 (struct i40e_virtchnl_ether_addr_list *)msg;
2413 valid_len += veal->num_elements *
2414 sizeof(struct i40e_virtchnl_ether_addr);
2415 if (veal->num_elements == 0)
2416 err_msg_format = true;
2419 case I40E_VIRTCHNL_OP_ADD_VLAN:
2420 case I40E_VIRTCHNL_OP_DEL_VLAN:
2421 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
2422 if (msglen >= valid_len) {
2423 struct i40e_virtchnl_vlan_filter_list *vfl =
2424 (struct i40e_virtchnl_vlan_filter_list *)msg;
2425 valid_len += vfl->num_elements * sizeof(u16);
2426 if (vfl->num_elements == 0)
2427 err_msg_format = true;
2430 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2431 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
2433 case I40E_VIRTCHNL_OP_GET_STATS:
2434 valid_len = sizeof(struct i40e_virtchnl_queue_select);
2436 case I40E_VIRTCHNL_OP_IWARP:
2437 /* These messages are opaque to us and will be validated in
2438 * the RDMA client code. We just need to check for nonzero
2439 * length. The firmware will enforce max length restrictions.
2444 err_msg_format = true;
2446 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2449 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2450 valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info);
2451 if (msglen >= valid_len) {
2452 struct i40e_virtchnl_iwarp_qvlist_info *qv =
2453 (struct i40e_virtchnl_iwarp_qvlist_info *)msg;
2454 if (qv->num_vectors == 0) {
2455 err_msg_format = true;
2458 valid_len += ((qv->num_vectors - 1) *
2459 sizeof(struct i40e_virtchnl_iwarp_qv_info));
2462 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2463 valid_len = sizeof(struct i40e_virtchnl_rss_key);
2464 if (msglen >= valid_len) {
2465 struct i40e_virtchnl_rss_key *vrk =
2466 (struct i40e_virtchnl_rss_key *)msg;
2467 if (vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
2468 err_msg_format = true;
2471 valid_len += vrk->key_len - 1;
2474 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2475 valid_len = sizeof(struct i40e_virtchnl_rss_lut);
2476 if (msglen >= valid_len) {
2477 struct i40e_virtchnl_rss_lut *vrl =
2478 (struct i40e_virtchnl_rss_lut *)msg;
2479 if (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
2480 err_msg_format = true;
2483 valid_len += vrl->lut_entries - 1;
2486 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2488 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2489 valid_len = sizeof(struct i40e_virtchnl_rss_hena);
2491 /* These are always errors coming from the VF. */
2492 case I40E_VIRTCHNL_OP_EVENT:
2493 case I40E_VIRTCHNL_OP_UNKNOWN:
2497 /* few more checks */
2498 if ((valid_len != msglen) || (err_msg_format)) {
2499 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
2507 * i40e_vc_process_vf_msg
2508 * @pf: pointer to the PF structure
2509 * @vf_id: source VF id
2510 * @msg: pointer to the msg buffer
2511 * @msglen: msg length
2512 * @msghndl: msg handle
2514 * called from the common aeq/arq handler to
2515 * process request from VF
2517 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
2518 u32 v_retval, u8 *msg, u16 msglen)
2520 struct i40e_hw *hw = &pf->hw;
2521 int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id;
2525 pf->vf_aq_requests++;
2526 if (local_vf_id >= pf->num_alloc_vfs)
2528 vf = &(pf->vf[local_vf_id]);
2529 /* perform basic checks on the msg */
2530 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
2533 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
2534 local_vf_id, v_opcode, msglen);
2539 case I40E_VIRTCHNL_OP_VERSION:
2540 ret = i40e_vc_get_version_msg(vf, msg);
2542 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
2543 ret = i40e_vc_get_vf_resources_msg(vf, msg);
2545 case I40E_VIRTCHNL_OP_RESET_VF:
2546 i40e_vc_reset_vf_msg(vf);
2549 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
2550 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
2552 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
2553 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
2555 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
2556 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
2558 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
2559 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
2560 i40e_vc_notify_vf_link_state(vf);
2562 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
2563 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
2565 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
2566 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
2568 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
2569 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
2571 case I40E_VIRTCHNL_OP_ADD_VLAN:
2572 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
2574 case I40E_VIRTCHNL_OP_DEL_VLAN:
2575 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
2577 case I40E_VIRTCHNL_OP_GET_STATS:
2578 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
2580 case I40E_VIRTCHNL_OP_IWARP:
2581 ret = i40e_vc_iwarp_msg(vf, msg, msglen);
2583 case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
2584 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true);
2586 case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
2587 ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false);
2589 case I40E_VIRTCHNL_OP_CONFIG_RSS_KEY:
2590 ret = i40e_vc_config_rss_key(vf, msg, msglen);
2592 case I40E_VIRTCHNL_OP_CONFIG_RSS_LUT:
2593 ret = i40e_vc_config_rss_lut(vf, msg, msglen);
2595 case I40E_VIRTCHNL_OP_GET_RSS_HENA_CAPS:
2596 ret = i40e_vc_get_rss_hena(vf, msg, msglen);
2598 case I40E_VIRTCHNL_OP_SET_RSS_HENA:
2599 ret = i40e_vc_set_rss_hena(vf, msg, msglen);
2602 case I40E_VIRTCHNL_OP_UNKNOWN:
2604 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
2605 v_opcode, local_vf_id);
2606 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
2607 I40E_ERR_NOT_IMPLEMENTED);
2615 * i40e_vc_process_vflr_event
2616 * @pf: pointer to the PF structure
2618 * called from the vlfr irq handler to
2619 * free up VF resources and state variables
2621 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2623 struct i40e_hw *hw = &pf->hw;
2624 u32 reg, reg_idx, bit_idx;
2628 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2631 /* Re-enable the VFLR interrupt cause here, before looking for which
2632 * VF got reset. Otherwise, if another VF gets a reset while the
2633 * first one is being processed, that interrupt will be lost, and
2634 * that VF will be stuck in reset forever.
2636 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2637 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2638 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2641 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2642 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2643 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2644 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2645 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2646 vf = &pf->vf[vf_id];
2647 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2648 if (reg & BIT(bit_idx))
2649 /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
2650 i40e_reset_vf(vf, true);
2657 * i40e_ndo_set_vf_mac
2658 * @netdev: network interface device structure
2659 * @vf_id: VF identifier
2662 * program VF mac address
2664 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2666 struct i40e_netdev_priv *np = netdev_priv(netdev);
2667 struct i40e_vsi *vsi = np->vsi;
2668 struct i40e_pf *pf = vsi->back;
2669 struct i40e_mac_filter *f;
2673 /* validate the request */
2674 if (vf_id >= pf->num_alloc_vfs) {
2675 dev_err(&pf->pdev->dev,
2676 "Invalid VF Identifier %d\n", vf_id);
2681 vf = &(pf->vf[vf_id]);
2682 vsi = pf->vsi[vf->lan_vsi_idx];
2683 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2684 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2690 if (is_multicast_ether_addr(mac)) {
2691 dev_err(&pf->pdev->dev,
2692 "Invalid Ethernet address %pM for VF %d\n", mac, vf_id);
2697 /* Lock once because below invoked function add/del_filter requires
2698 * mac_filter_list_lock to be held
2700 spin_lock_bh(&vsi->mac_filter_list_lock);
2702 /* delete the temporary mac address */
2703 if (!is_zero_ether_addr(vf->default_lan_addr.addr))
2704 i40e_del_filter(vsi, vf->default_lan_addr.addr,
2705 vf->port_vlan_id ? vf->port_vlan_id : -1,
2708 /* Delete all the filters for this VSI - we're going to kill it
2711 list_for_each_entry(f, &vsi->mac_filter_list, list)
2712 i40e_del_filter(vsi, f->macaddr, f->vlan, true, false);
2714 spin_unlock_bh(&vsi->mac_filter_list_lock);
2716 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2717 /* program mac filter */
2718 if (i40e_sync_vsi_filters(vsi)) {
2719 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2723 ether_addr_copy(vf->default_lan_addr.addr, mac);
2724 vf->pf_set_mac = true;
2725 /* Force the VF driver stop so it has to reload with new MAC address */
2726 i40e_vc_disable_vf(pf, vf);
2727 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2734 * i40e_ndo_set_vf_port_vlan
2735 * @netdev: network interface device structure
2736 * @vf_id: VF identifier
2737 * @vlan_id: mac address
2738 * @qos: priority setting
2740 * program VF vlan id and/or qos
2742 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2743 int vf_id, u16 vlan_id, u8 qos)
2745 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2746 struct i40e_netdev_priv *np = netdev_priv(netdev);
2747 struct i40e_pf *pf = np->vsi->back;
2748 bool is_vsi_in_vlan = false;
2749 struct i40e_vsi *vsi;
2753 /* validate the request */
2754 if (vf_id >= pf->num_alloc_vfs) {
2755 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2760 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2761 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2766 vf = &(pf->vf[vf_id]);
2767 vsi = pf->vsi[vf->lan_vsi_idx];
2768 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2769 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2775 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2776 /* duplicate request, so just return success */
2779 spin_lock_bh(&vsi->mac_filter_list_lock);
2780 is_vsi_in_vlan = i40e_is_vsi_in_vlan(vsi);
2781 spin_unlock_bh(&vsi->mac_filter_list_lock);
2783 if (le16_to_cpu(vsi->info.pvid) == 0 && is_vsi_in_vlan) {
2784 dev_err(&pf->pdev->dev,
2785 "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",
2787 /* Administrator Error - knock the VF offline until he does
2788 * the right thing by reconfiguring his network correctly
2789 * and then reloading the VF driver.
2791 i40e_vc_disable_vf(pf, vf);
2792 /* During reset the VF got a new VSI, so refresh the pointer. */
2793 vsi = pf->vsi[vf->lan_vsi_idx];
2796 /* Check for condition where there was already a port VLAN ID
2797 * filter set and now it is being deleted by setting it to zero.
2798 * Additionally check for the condition where there was a port
2799 * VLAN but now there is a new and different port VLAN being set.
2800 * Before deleting all the old VLAN filters we must add new ones
2801 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2802 * MAC addresses deleted.
2804 if ((!(vlan_id || qos) ||
2805 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2807 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2809 if (vsi->info.pvid) {
2811 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2814 dev_info(&vsi->back->pdev->dev,
2815 "remove VLAN failed, ret=%d, aq_err=%d\n",
2816 ret, pf->hw.aq.asq_last_status);
2820 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2822 i40e_vsi_remove_pvid(vsi);
2825 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2826 vlan_id, qos, vf_id);
2828 /* add new VLAN filter */
2829 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2831 dev_info(&vsi->back->pdev->dev,
2832 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2833 vsi->back->hw.aq.asq_last_status);
2836 /* Kill non-vlan MAC filters - ignore error return since
2837 * there might not be any non-vlan MAC filters.
2839 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2843 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2846 /* The Port VLAN needs to be saved across resets the same as the
2847 * default LAN MAC address.
2849 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2856 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2857 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2859 * i40e_ndo_set_vf_bw
2860 * @netdev: network interface device structure
2861 * @vf_id: VF identifier
2864 * configure VF Tx rate
2866 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2869 struct i40e_netdev_priv *np = netdev_priv(netdev);
2870 struct i40e_pf *pf = np->vsi->back;
2871 struct i40e_vsi *vsi;
2876 /* validate the request */
2877 if (vf_id >= pf->num_alloc_vfs) {
2878 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2884 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2885 min_tx_rate, vf_id);
2889 vf = &(pf->vf[vf_id]);
2890 vsi = pf->vsi[vf->lan_vsi_idx];
2891 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2892 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2898 switch (pf->hw.phy.link_info.link_speed) {
2899 case I40E_LINK_SPEED_40GB:
2902 case I40E_LINK_SPEED_20GB:
2905 case I40E_LINK_SPEED_10GB:
2908 case I40E_LINK_SPEED_1GB:
2915 if (max_tx_rate > speed) {
2916 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.",
2917 max_tx_rate, vf->vf_id);
2922 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2923 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2927 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2928 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2929 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2930 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2932 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2937 vf->tx_rate = max_tx_rate;
2943 * i40e_ndo_get_vf_config
2944 * @netdev: network interface device structure
2945 * @vf_id: VF identifier
2946 * @ivi: VF configuration structure
2948 * return VF configuration
2950 int i40e_ndo_get_vf_config(struct net_device *netdev,
2951 int vf_id, struct ifla_vf_info *ivi)
2953 struct i40e_netdev_priv *np = netdev_priv(netdev);
2954 struct i40e_vsi *vsi = np->vsi;
2955 struct i40e_pf *pf = vsi->back;
2959 /* validate the request */
2960 if (vf_id >= pf->num_alloc_vfs) {
2961 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2966 vf = &(pf->vf[vf_id]);
2967 /* first vsi is always the LAN vsi */
2968 vsi = pf->vsi[vf->lan_vsi_idx];
2969 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2970 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
2978 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
2980 ivi->max_tx_rate = vf->tx_rate;
2981 ivi->min_tx_rate = 0;
2982 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2983 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2984 I40E_VLAN_PRIORITY_SHIFT;
2985 if (vf->link_forced == false)
2986 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2987 else if (vf->link_up == true)
2988 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2990 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2991 ivi->spoofchk = vf->spoofchk;
2999 * i40e_ndo_set_vf_link_state
3000 * @netdev: network interface device structure
3001 * @vf_id: VF identifier
3002 * @link: required link state
3004 * Set the link state of a specified VF, regardless of physical link state
3006 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
3008 struct i40e_netdev_priv *np = netdev_priv(netdev);
3009 struct i40e_pf *pf = np->vsi->back;
3010 struct i40e_virtchnl_pf_event pfe;
3011 struct i40e_hw *hw = &pf->hw;
3016 /* validate the request */
3017 if (vf_id >= pf->num_alloc_vfs) {
3018 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3023 vf = &pf->vf[vf_id];
3024 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
3026 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
3027 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
3030 case IFLA_VF_LINK_STATE_AUTO:
3031 vf->link_forced = false;
3032 pfe.event_data.link_event.link_status =
3033 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
3034 pfe.event_data.link_event.link_speed =
3035 pf->hw.phy.link_info.link_speed;
3037 case IFLA_VF_LINK_STATE_ENABLE:
3038 vf->link_forced = true;
3040 pfe.event_data.link_event.link_status = true;
3041 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
3043 case IFLA_VF_LINK_STATE_DISABLE:
3044 vf->link_forced = true;
3045 vf->link_up = false;
3046 pfe.event_data.link_event.link_status = false;
3047 pfe.event_data.link_event.link_speed = 0;
3053 /* Notify the VF of its new link state */
3054 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
3055 0, (u8 *)&pfe, sizeof(pfe), NULL);
3062 * i40e_ndo_set_vf_spoofchk
3063 * @netdev: network interface device structure
3064 * @vf_id: VF identifier
3065 * @enable: flag to enable or disable feature
3067 * Enable or disable VF spoof checking
3069 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
3071 struct i40e_netdev_priv *np = netdev_priv(netdev);
3072 struct i40e_vsi *vsi = np->vsi;
3073 struct i40e_pf *pf = vsi->back;
3074 struct i40e_vsi_context ctxt;
3075 struct i40e_hw *hw = &pf->hw;
3079 /* validate the request */
3080 if (vf_id >= pf->num_alloc_vfs) {
3081 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3086 vf = &(pf->vf[vf_id]);
3087 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
3088 dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n",
3094 if (enable == vf->spoofchk)
3097 vf->spoofchk = enable;
3098 memset(&ctxt, 0, sizeof(ctxt));
3099 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
3100 ctxt.pf_num = pf->hw.pf_id;
3101 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
3103 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
3104 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
3105 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
3107 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
3116 * i40e_ndo_set_vf_trust
3117 * @netdev: network interface device structure of the pf
3118 * @vf_id: VF identifier
3119 * @setting: trust setting
3121 * Enable or disable VF trust setting
3123 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
3125 struct i40e_netdev_priv *np = netdev_priv(netdev);
3126 struct i40e_pf *pf = np->vsi->back;
3130 /* validate the request */
3131 if (vf_id >= pf->num_alloc_vfs) {
3132 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
3136 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3137 dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n");
3141 vf = &pf->vf[vf_id];
3145 if (setting == vf->trusted)
3148 vf->trusted = setting;
3149 i40e_vc_notify_vf_reset(vf);
3150 i40e_reset_vf(vf, false);
3151 dev_info(&pf->pdev->dev, "VF %u is now %strusted\n",
3152 vf_id, setting ? "" : "un");