1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2014 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 /***********************misc routines*****************************/
33 * @pf: pointer to the pf info
34 * @vf: pointer to the vf info
36 * Disable the VF through a SW reset
38 static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf)
40 struct i40e_hw *hw = &pf->hw;
43 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
44 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
45 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
50 * i40e_vc_isvalid_vsi_id
51 * @vf: pointer to the vf info
52 * @vsi_id: vf relative vsi id
54 * check for the valid vsi id
56 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u8 vsi_id)
58 struct i40e_pf *pf = vf->pf;
60 return pf->vsi[vsi_id]->vf_id == vf->vf_id;
64 * i40e_vc_isvalid_queue_id
65 * @vf: pointer to the vf info
67 * @qid: vsi relative queue id
69 * check for the valid queue id
71 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u8 vsi_id,
74 struct i40e_pf *pf = vf->pf;
76 return qid < pf->vsi[vsi_id]->num_queue_pairs;
80 * i40e_vc_isvalid_vector_id
81 * @vf: pointer to the vf info
82 * @vector_id: vf relative vector id
84 * check for the valid vector id
86 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
88 struct i40e_pf *pf = vf->pf;
90 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
93 /***********************vf resource mgmt routines*****************/
96 * i40e_vc_get_pf_queue_id
97 * @vf: pointer to the vf info
98 * @vsi_idx: index of VSI in PF struct
99 * @vsi_queue_id: vsi relative queue id
101 * return pf relative queue id
103 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u8 vsi_idx,
106 struct i40e_pf *pf = vf->pf;
107 struct i40e_vsi *vsi = pf->vsi[vsi_idx];
108 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
110 if (le16_to_cpu(vsi->info.mapping_flags) &
111 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
113 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
115 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
122 * i40e_config_irq_link_list
123 * @vf: pointer to the vf info
124 * @vsi_idx: index of VSI in PF struct
125 * @vecmap: irq map info
127 * configure irq link list from the map
129 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx,
130 struct i40e_virtchnl_vector_map *vecmap)
132 unsigned long linklistmap = 0, tempmap;
133 struct i40e_pf *pf = vf->pf;
134 struct i40e_hw *hw = &pf->hw;
135 u16 vsi_queue_id, pf_queue_id;
136 enum i40e_queue_type qtype;
137 u16 next_q, vector_id;
141 vector_id = vecmap->vector_id;
144 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
146 reg_idx = I40E_VPINT_LNKLSTN(
147 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
150 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
151 /* Special case - No queues mapped on this vector */
152 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
155 tempmap = vecmap->rxq_map;
156 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
158 (I40E_VIRTCHNL_SUPPORTED_QTYPES *
162 tempmap = vecmap->txq_map;
163 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
165 (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id
169 next_q = find_first_bit(&linklistmap,
171 I40E_VIRTCHNL_SUPPORTED_QTYPES));
172 vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES;
173 qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES;
174 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
175 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
177 wr32(hw, reg_idx, reg);
179 while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
181 case I40E_QUEUE_TYPE_RX:
182 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
183 itr_idx = vecmap->rxitr_idx;
185 case I40E_QUEUE_TYPE_TX:
186 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
187 itr_idx = vecmap->txitr_idx;
193 next_q = find_next_bit(&linklistmap,
195 I40E_VIRTCHNL_SUPPORTED_QTYPES),
198 (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
199 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
200 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
201 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx,
204 pf_queue_id = I40E_QUEUE_END_OF_LIST;
208 /* format for the RQCTL & TQCTL regs is same */
210 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
211 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
212 (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
213 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
214 wr32(hw, reg_idx, reg);
222 * i40e_config_vsi_tx_queue
223 * @vf: pointer to the vf info
224 * @vsi_idx: index of VSI in PF struct
225 * @vsi_queue_id: vsi relative queue index
226 * @info: config. info
230 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx,
232 struct i40e_virtchnl_txq_info *info)
234 struct i40e_pf *pf = vf->pf;
235 struct i40e_hw *hw = &pf->hw;
236 struct i40e_hmc_obj_txq tx_ctx;
241 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
243 /* clear the context structure first */
244 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
246 /* only set the required fields */
247 tx_ctx.base = info->dma_ring_addr / 128;
248 tx_ctx.qlen = info->ring_len;
249 tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]);
250 tx_ctx.rdylist_act = 0;
251 tx_ctx.head_wb_ena = 1;
252 tx_ctx.head_wb_addr = info->dma_ring_addr +
253 (info->ring_len * sizeof(struct i40e_tx_desc));
255 /* clear the context in the HMC */
256 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
258 dev_err(&pf->pdev->dev,
259 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
265 /* set the context in the HMC */
266 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
268 dev_err(&pf->pdev->dev,
269 "Failed to set VF LAN Tx queue context %d error: %d\n",
275 /* associate this queue with the PCI VF function */
276 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
277 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
278 & I40E_QTX_CTL_PF_INDX_MASK);
279 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
280 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
281 & I40E_QTX_CTL_VFVM_INDX_MASK);
282 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
290 * i40e_config_vsi_rx_queue
291 * @vf: pointer to the vf info
292 * @vsi_idx: index of VSI in PF struct
293 * @vsi_queue_id: vsi relative queue index
294 * @info: config. info
298 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx,
300 struct i40e_virtchnl_rxq_info *info)
302 struct i40e_pf *pf = vf->pf;
303 struct i40e_hw *hw = &pf->hw;
304 struct i40e_hmc_obj_rxq rx_ctx;
308 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
310 /* clear the context structure first */
311 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
313 /* only set the required fields */
314 rx_ctx.base = info->dma_ring_addr / 128;
315 rx_ctx.qlen = info->ring_len;
317 if (info->splithdr_enabled) {
318 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
320 I40E_RX_SPLIT_TCP_UDP |
322 /* header length validation */
323 if (info->hdr_size > ((2 * 1024) - 64)) {
327 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
329 /* set splitalways mode 10b */
333 /* databuffer length validation */
334 if (info->databuffer_size > ((16 * 1024) - 128)) {
338 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
340 /* max pkt. length validation */
341 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
345 rx_ctx.rxmax = info->max_pkt_size;
347 /* enable 32bytes desc always */
351 rx_ctx.tphrdesc_ena = 1;
352 rx_ctx.tphwdesc_ena = 1;
353 rx_ctx.tphdata_ena = 1;
354 rx_ctx.tphhead_ena = 1;
355 rx_ctx.lrxqthresh = 2;
358 /* clear the context in the HMC */
359 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
361 dev_err(&pf->pdev->dev,
362 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
368 /* set the context in the HMC */
369 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
371 dev_err(&pf->pdev->dev,
372 "Failed to set VF LAN Rx queue context %d error: %d\n",
384 * @vf: pointer to the vf info
385 * @type: type of VSI to allocate
387 * alloc vf vsi context & resources
389 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
391 struct i40e_mac_filter *f = NULL;
392 struct i40e_pf *pf = vf->pf;
393 struct i40e_vsi *vsi;
396 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
399 dev_err(&pf->pdev->dev,
400 "add vsi failed for vf %d, aq_err %d\n",
401 vf->vf_id, pf->hw.aq.asq_last_status);
403 goto error_alloc_vsi_res;
405 if (type == I40E_VSI_SRIOV) {
406 u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
407 vf->lan_vsi_index = vsi->idx;
408 vf->lan_vsi_id = vsi->id;
409 dev_info(&pf->pdev->dev,
410 "VF %d assigned LAN VSI index %d, VSI id %d\n",
411 vf->vf_id, vsi->idx, vsi->id);
412 /* If the port VLAN has been configured and then the
413 * VF driver was removed then the VSI port VLAN
414 * configuration was destroyed. Check if there is
415 * a port VLAN and restore the VSI configuration if
418 if (vf->port_vlan_id)
419 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
420 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
421 vf->port_vlan_id, true, false);
423 dev_info(&pf->pdev->dev,
424 "Could not allocate VF MAC addr\n");
425 f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id,
428 dev_info(&pf->pdev->dev,
429 "Could not allocate VF broadcast filter\n");
432 /* program mac filter */
433 ret = i40e_sync_vsi_filters(vsi);
435 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
437 /* Set VF bandwidth if specified */
439 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
440 vf->tx_rate / 50, 0, NULL);
442 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
451 * i40e_enable_vf_mappings
452 * @vf: pointer to the vf info
456 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
458 struct i40e_pf *pf = vf->pf;
459 struct i40e_hw *hw = &pf->hw;
460 u32 reg, total_queue_pairs = 0;
463 /* Tell the hardware we're using noncontiguous mapping. HW requires
464 * that VF queues be mapped using this method, even when they are
465 * contiguous in real life
467 wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
468 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
470 /* enable VF vplan_qtable mappings */
471 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
472 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
474 /* map PF queues to VF queues */
475 for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
476 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j);
477 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
478 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
482 /* map PF queues to VSI */
483 for (j = 0; j < 7; j++) {
484 if (j * 2 >= pf->vsi[vf->lan_vsi_index]->num_queue_pairs) {
485 reg = 0x07FF07FF; /* unused */
487 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
490 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
494 wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg);
501 * i40e_disable_vf_mappings
502 * @vf: pointer to the vf info
504 * disable vf mappings
506 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
508 struct i40e_pf *pf = vf->pf;
509 struct i40e_hw *hw = &pf->hw;
512 /* disable qp mappings */
513 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
514 for (i = 0; i < I40E_MAX_VSI_QP; i++)
515 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
516 I40E_QUEUE_END_OF_LIST);
522 * @vf: pointer to the vf info
526 static void i40e_free_vf_res(struct i40e_vf *vf)
528 struct i40e_pf *pf = vf->pf;
529 struct i40e_hw *hw = &pf->hw;
533 /* free vsi & disconnect it from the parent uplink */
534 if (vf->lan_vsi_index) {
535 i40e_vsi_release(pf->vsi[vf->lan_vsi_index]);
536 vf->lan_vsi_index = 0;
539 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
541 /* disable interrupts so the VF starts in a known state */
542 for (i = 0; i < msix_vf; i++) {
543 /* format is same for both registers */
545 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
547 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
550 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
554 /* clear the irq settings */
555 for (i = 0; i < msix_vf; i++) {
556 /* format is same for both registers */
558 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
560 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
563 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
564 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
565 wr32(hw, reg_idx, reg);
568 /* reset some of the state varibles keeping
569 * track of the resources
571 vf->num_queue_pairs = 0;
577 * @vf: pointer to the vf info
579 * allocate vf resources
581 static int i40e_alloc_vf_res(struct i40e_vf *vf)
583 struct i40e_pf *pf = vf->pf;
584 int total_queue_pairs = 0;
587 /* allocate hw vsi context & associated resources */
588 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
591 total_queue_pairs += pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
592 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
594 /* store the total qps number for the runtime
597 vf->num_queue_pairs = total_queue_pairs;
599 /* vf is now completely initialized */
600 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
604 i40e_free_vf_res(vf);
609 #define VF_DEVICE_STATUS 0xAA
610 #define VF_TRANS_PENDING_MASK 0x20
612 * i40e_quiesce_vf_pci
613 * @vf: pointer to the vf structure
615 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
616 * if the transactions never clear.
618 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
620 struct i40e_pf *pf = vf->pf;
621 struct i40e_hw *hw = &pf->hw;
625 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
627 wr32(hw, I40E_PF_PCI_CIAA,
628 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
629 for (i = 0; i < 100; i++) {
630 reg = rd32(hw, I40E_PF_PCI_CIAD);
631 if ((reg & VF_TRANS_PENDING_MASK) == 0)
640 * @vf: pointer to the vf structure
641 * @flr: VFLR was issued or not
645 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
647 struct i40e_pf *pf = vf->pf;
648 struct i40e_hw *hw = &pf->hw;
654 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
656 /* In the case of a VFLR, the HW has already reset the VF and we
657 * just need to clean up, so don't hit the VFRTRIG register.
660 /* reset vf using VPGEN_VFRTRIG reg */
661 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
662 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
663 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
667 if (i40e_quiesce_vf_pci(vf))
668 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
671 /* poll VPGEN_VFRSTAT reg to make sure
672 * that reset is complete
674 for (i = 0; i < 100; i++) {
675 /* vf reset requires driver to first reset the
676 * vf & than poll the status register to make sure
677 * that the requested op was completed
681 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
682 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
689 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
691 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
692 /* clear the reset bit in the VPGEN_VFRTRIG reg */
693 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
694 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
695 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
697 /* On initial reset, we won't have any queues */
698 if (vf->lan_vsi_index == 0)
701 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_index], false);
703 /* reallocate vf resources to reset the VSI state */
704 i40e_free_vf_res(vf);
705 i40e_alloc_vf_res(vf);
706 i40e_enable_vf_mappings(vf);
707 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
709 /* tell the VF the reset is done */
710 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
715 * i40e_vfs_are_assigned
716 * @pf: pointer to the pf structure
718 * Determine if any VFs are assigned to VMs
720 static bool i40e_vfs_are_assigned(struct i40e_pf *pf)
722 struct pci_dev *pdev = pf->pdev;
723 struct pci_dev *vfdev;
725 /* loop through all the VFs to see if we own any that are assigned */
726 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_DEV_ID_VF , NULL);
728 /* if we don't own it we don't care */
729 if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) {
730 /* if it is assigned we cannot release it */
731 if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
735 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL,
742 #ifdef CONFIG_PCI_IOV
745 * i40e_enable_pf_switch_lb
746 * @pf: pointer to the pf structure
748 * enable switch loop back or die - no point in a return value
750 static void i40e_enable_pf_switch_lb(struct i40e_pf *pf)
752 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
753 struct i40e_vsi_context ctxt;
756 ctxt.seid = pf->main_vsi_seid;
757 ctxt.pf_num = pf->hw.pf_id;
759 aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
761 dev_info(&pf->pdev->dev,
762 "%s couldn't get pf vsi config, err %d, aq_err %d\n",
763 __func__, aq_ret, pf->hw.aq.asq_last_status);
766 ctxt.flags = I40E_AQ_VSI_TYPE_PF;
767 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID);
768 ctxt.info.switch_id |= cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
770 aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
772 dev_info(&pf->pdev->dev,
773 "%s: update vsi switch failed, aq_err=%d\n",
774 __func__, vsi->back->hw.aq.asq_last_status);
780 * i40e_disable_pf_switch_lb
781 * @pf: pointer to the pf structure
783 * disable switch loop back or die - no point in a return value
785 static void i40e_disable_pf_switch_lb(struct i40e_pf *pf)
787 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
788 struct i40e_vsi_context ctxt;
791 ctxt.seid = pf->main_vsi_seid;
792 ctxt.pf_num = pf->hw.pf_id;
794 aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
796 dev_info(&pf->pdev->dev,
797 "%s couldn't get pf vsi config, err %d, aq_err %d\n",
798 __func__, aq_ret, pf->hw.aq.asq_last_status);
801 ctxt.flags = I40E_AQ_VSI_TYPE_PF;
802 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID);
803 ctxt.info.switch_id &= ~cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
805 aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
807 dev_info(&pf->pdev->dev,
808 "%s: update vsi switch failed, aq_err=%d\n",
809 __func__, vsi->back->hw.aq.asq_last_status);
815 * @pf: pointer to the pf structure
819 void i40e_free_vfs(struct i40e_pf *pf)
821 struct i40e_hw *hw = &pf->hw;
822 u32 reg_idx, bit_idx;
828 /* Disable interrupt 0 so we don't try to handle the VFLR. */
829 i40e_irq_dynamic_disable_icr0(pf);
831 mdelay(10); /* let any messages in transit get finished up */
832 /* free up vf resources */
833 tmp = pf->num_alloc_vfs;
834 pf->num_alloc_vfs = 0;
835 for (i = 0; i < tmp; i++) {
836 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
837 i40e_free_vf_res(&pf->vf[i]);
838 /* disable qp mappings */
839 i40e_disable_vf_mappings(&pf->vf[i]);
845 /* This check is for when the driver is unloaded while VFs are
846 * assigned. Setting the number of VFs to 0 through sysfs is caught
847 * before this function ever gets called.
849 if (!i40e_vfs_are_assigned(pf)) {
850 pci_disable_sriov(pf->pdev);
851 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
852 * work correctly when SR-IOV gets re-enabled.
854 for (vf_id = 0; vf_id < tmp; vf_id++) {
855 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
856 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
857 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
859 i40e_disable_pf_switch_lb(pf);
861 dev_warn(&pf->pdev->dev,
862 "unable to disable SR-IOV because VFs are assigned.\n");
865 /* Re-enable interrupt 0. */
866 i40e_irq_dynamic_enable_icr0(pf);
869 #ifdef CONFIG_PCI_IOV
872 * @pf: pointer to the pf structure
873 * @num_alloc_vfs: number of vfs to allocate
875 * allocate vf resources
877 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
882 /* Disable interrupt 0 so we don't try to handle the VFLR. */
883 i40e_irq_dynamic_disable_icr0(pf);
885 /* Check to see if we're just allocating resources for extant VFs */
886 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
887 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
889 dev_err(&pf->pdev->dev,
890 "Failed to enable SR-IOV, error %d.\n", ret);
891 pf->num_alloc_vfs = 0;
895 /* allocate memory */
896 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
902 /* apply default profile */
903 for (i = 0; i < num_alloc_vfs; i++) {
905 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
908 /* assign default capabilities */
909 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
910 /* vf resources get allocated during reset */
911 i40e_reset_vf(&vfs[i], false);
913 /* enable vf vplan_qtable mappings */
914 i40e_enable_vf_mappings(&vfs[i]);
917 pf->num_alloc_vfs = num_alloc_vfs;
919 i40e_enable_pf_switch_lb(pf);
924 /* Re-enable interrupt 0. */
925 i40e_irq_dynamic_enable_icr0(pf);
931 * i40e_pci_sriov_enable
932 * @pdev: pointer to a pci_dev structure
933 * @num_vfs: number of vfs to allocate
935 * Enable or change the number of VFs
937 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
939 #ifdef CONFIG_PCI_IOV
940 struct i40e_pf *pf = pci_get_drvdata(pdev);
941 int pre_existing_vfs = pci_num_vf(pdev);
944 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
945 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
947 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
950 if (num_vfs > pf->num_req_vfs) {
955 err = i40e_alloc_vfs(pf, num_vfs);
957 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
971 * i40e_pci_sriov_configure
972 * @pdev: pointer to a pci_dev structure
973 * @num_vfs: number of vfs to allocate
975 * Enable or change the number of VFs. Called when the user updates the number
978 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
980 struct i40e_pf *pf = pci_get_drvdata(pdev);
983 return i40e_pci_sriov_enable(pdev, num_vfs);
985 if (!i40e_vfs_are_assigned(pf)) {
988 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
994 /***********************virtual channel routines******************/
997 * i40e_vc_send_msg_to_vf
998 * @vf: pointer to the vf info
999 * @v_opcode: virtual channel opcode
1000 * @v_retval: virtual channel return value
1001 * @msg: pointer to the msg buffer
1002 * @msglen: msg length
1006 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1007 u32 v_retval, u8 *msg, u16 msglen)
1009 struct i40e_pf *pf = vf->pf;
1010 struct i40e_hw *hw = &pf->hw;
1011 int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1014 /* single place to detect unsuccessful return values */
1016 vf->num_invalid_msgs++;
1017 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
1018 v_opcode, v_retval);
1019 if (vf->num_invalid_msgs >
1020 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1021 dev_err(&pf->pdev->dev,
1022 "Number of invalid messages exceeded for VF %d\n",
1024 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1025 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1028 vf->num_valid_msgs++;
1031 aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval,
1034 dev_err(&pf->pdev->dev,
1035 "Unable to send the message to VF %d aq_err %d\n",
1036 vf->vf_id, pf->hw.aq.asq_last_status);
1044 * i40e_vc_send_resp_to_vf
1045 * @vf: pointer to the vf info
1046 * @opcode: operation code
1047 * @retval: return value
1049 * send resp msg to vf
1051 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1052 enum i40e_virtchnl_ops opcode,
1055 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1059 * i40e_vc_get_version_msg
1060 * @vf: pointer to the vf info
1062 * called from the vf to request the API version used by the PF
1064 static int i40e_vc_get_version_msg(struct i40e_vf *vf)
1066 struct i40e_virtchnl_version_info info = {
1067 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1070 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1071 I40E_SUCCESS, (u8 *)&info,
1073 i40e_virtchnl_version_info));
1077 * i40e_vc_get_vf_resources_msg
1078 * @vf: pointer to the vf info
1079 * @msg: pointer to the msg buffer
1080 * @msglen: msg length
1082 * called from the vf to request its resources
1084 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
1086 struct i40e_virtchnl_vf_resource *vfres = NULL;
1087 struct i40e_pf *pf = vf->pf;
1088 i40e_status aq_ret = 0;
1089 struct i40e_vsi *vsi;
1094 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1095 aq_ret = I40E_ERR_PARAM;
1099 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1100 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1102 vfres = kzalloc(len, GFP_KERNEL);
1104 aq_ret = I40E_ERR_NO_MEMORY;
1109 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1110 vsi = pf->vsi[vf->lan_vsi_index];
1111 if (!vsi->info.pvid)
1112 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1114 vfres->num_vsis = num_vsis;
1115 vfres->num_queue_pairs = vf->num_queue_pairs;
1116 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1117 if (vf->lan_vsi_index) {
1118 vfres->vsi_res[i].vsi_id = vf->lan_vsi_index;
1119 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1120 vfres->vsi_res[i].num_queue_pairs =
1121 pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
1122 memcpy(vfres->vsi_res[i].default_mac_addr,
1123 vf->default_lan_addr.addr, ETH_ALEN);
1126 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1129 /* send the response back to the vf */
1130 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1131 aq_ret, (u8 *)vfres, len);
1138 * i40e_vc_reset_vf_msg
1139 * @vf: pointer to the vf info
1140 * @msg: pointer to the msg buffer
1141 * @msglen: msg length
1143 * called from the vf to reset itself,
1144 * unlike other virtchnl messages, pf driver
1145 * doesn't send the response back to the vf
1147 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1149 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1150 i40e_reset_vf(vf, false);
1154 * i40e_vc_config_promiscuous_mode_msg
1155 * @vf: pointer to the vf info
1156 * @msg: pointer to the msg buffer
1157 * @msglen: msg length
1159 * called from the vf to configure the promiscuous mode of
1162 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1163 u8 *msg, u16 msglen)
1165 struct i40e_virtchnl_promisc_info *info =
1166 (struct i40e_virtchnl_promisc_info *)msg;
1167 struct i40e_pf *pf = vf->pf;
1168 struct i40e_hw *hw = &pf->hw;
1169 bool allmulti = false;
1170 bool promisc = false;
1173 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1174 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1175 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1176 (pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) {
1177 aq_ret = I40E_ERR_PARAM;
1181 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1183 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id,
1188 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1190 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id,
1194 /* send the response to the vf */
1195 return i40e_vc_send_resp_to_vf(vf,
1196 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1201 * i40e_vc_config_queues_msg
1202 * @vf: pointer to the vf info
1203 * @msg: pointer to the msg buffer
1204 * @msglen: msg length
1206 * called from the vf to configure the rx/tx
1209 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1211 struct i40e_virtchnl_vsi_queue_config_info *qci =
1212 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1213 struct i40e_virtchnl_queue_pair_info *qpi;
1214 u16 vsi_id, vsi_queue_id;
1215 i40e_status aq_ret = 0;
1218 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1219 aq_ret = I40E_ERR_PARAM;
1223 vsi_id = qci->vsi_id;
1224 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1225 aq_ret = I40E_ERR_PARAM;
1228 for (i = 0; i < qci->num_queue_pairs; i++) {
1229 qpi = &qci->qpair[i];
1230 vsi_queue_id = qpi->txq.queue_id;
1231 if ((qpi->txq.vsi_id != vsi_id) ||
1232 (qpi->rxq.vsi_id != vsi_id) ||
1233 (qpi->rxq.queue_id != vsi_queue_id) ||
1234 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1235 aq_ret = I40E_ERR_PARAM;
1239 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1241 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1243 aq_ret = I40E_ERR_PARAM;
1249 /* send the response to the vf */
1250 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1255 * i40e_vc_config_irq_map_msg
1256 * @vf: pointer to the vf info
1257 * @msg: pointer to the msg buffer
1258 * @msglen: msg length
1260 * called from the vf to configure the irq to
1263 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1265 struct i40e_virtchnl_irq_map_info *irqmap_info =
1266 (struct i40e_virtchnl_irq_map_info *)msg;
1267 struct i40e_virtchnl_vector_map *map;
1268 u16 vsi_id, vsi_queue_id, vector_id;
1269 i40e_status aq_ret = 0;
1270 unsigned long tempmap;
1273 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1274 aq_ret = I40E_ERR_PARAM;
1278 for (i = 0; i < irqmap_info->num_vectors; i++) {
1279 map = &irqmap_info->vecmap[i];
1281 vector_id = map->vector_id;
1282 vsi_id = map->vsi_id;
1283 /* validate msg params */
1284 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1285 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1286 aq_ret = I40E_ERR_PARAM;
1290 /* lookout for the invalid queue index */
1291 tempmap = map->rxq_map;
1292 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1293 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1295 aq_ret = I40E_ERR_PARAM;
1300 tempmap = map->txq_map;
1301 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1302 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1304 aq_ret = I40E_ERR_PARAM;
1309 i40e_config_irq_link_list(vf, vsi_id, map);
1312 /* send the response to the vf */
1313 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1318 * i40e_vc_enable_queues_msg
1319 * @vf: pointer to the vf info
1320 * @msg: pointer to the msg buffer
1321 * @msglen: msg length
1323 * called from the vf to enable all or specific queue(s)
1325 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1327 struct i40e_virtchnl_queue_select *vqs =
1328 (struct i40e_virtchnl_queue_select *)msg;
1329 struct i40e_pf *pf = vf->pf;
1330 u16 vsi_id = vqs->vsi_id;
1331 i40e_status aq_ret = 0;
1333 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1334 aq_ret = I40E_ERR_PARAM;
1338 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1339 aq_ret = I40E_ERR_PARAM;
1343 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1344 aq_ret = I40E_ERR_PARAM;
1347 if (i40e_vsi_control_rings(pf->vsi[vsi_id], true))
1348 aq_ret = I40E_ERR_TIMEOUT;
1350 /* send the response to the vf */
1351 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1356 * i40e_vc_disable_queues_msg
1357 * @vf: pointer to the vf info
1358 * @msg: pointer to the msg buffer
1359 * @msglen: msg length
1361 * called from the vf to disable all or specific
1364 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1366 struct i40e_virtchnl_queue_select *vqs =
1367 (struct i40e_virtchnl_queue_select *)msg;
1368 struct i40e_pf *pf = vf->pf;
1369 u16 vsi_id = vqs->vsi_id;
1370 i40e_status aq_ret = 0;
1372 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1373 aq_ret = I40E_ERR_PARAM;
1377 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1378 aq_ret = I40E_ERR_PARAM;
1382 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1383 aq_ret = I40E_ERR_PARAM;
1386 if (i40e_vsi_control_rings(pf->vsi[vsi_id], false))
1387 aq_ret = I40E_ERR_TIMEOUT;
1390 /* send the response to the vf */
1391 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1396 * i40e_vc_get_stats_msg
1397 * @vf: pointer to the vf info
1398 * @msg: pointer to the msg buffer
1399 * @msglen: msg length
1401 * called from the vf to get vsi stats
1403 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1405 struct i40e_virtchnl_queue_select *vqs =
1406 (struct i40e_virtchnl_queue_select *)msg;
1407 struct i40e_pf *pf = vf->pf;
1408 struct i40e_eth_stats stats;
1409 i40e_status aq_ret = 0;
1410 struct i40e_vsi *vsi;
1412 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1414 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1415 aq_ret = I40E_ERR_PARAM;
1419 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1420 aq_ret = I40E_ERR_PARAM;
1424 vsi = pf->vsi[vqs->vsi_id];
1426 aq_ret = I40E_ERR_PARAM;
1429 i40e_update_eth_stats(vsi);
1430 stats = vsi->eth_stats;
1433 /* send the response back to the vf */
1434 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1435 (u8 *)&stats, sizeof(stats));
1439 * i40e_check_vf_permission
1440 * @vf: pointer to the vf info
1441 * @macaddr: pointer to the MAC Address being checked
1443 * Check if the VF has permission to add or delete unicast MAC address
1444 * filters and return error code -EPERM if not. Then check if the
1445 * address filter requested is broadcast or zero and if so return
1446 * an invalid MAC address error code.
1448 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1450 struct i40e_pf *pf = vf->pf;
1453 if (is_broadcast_ether_addr(macaddr) ||
1454 is_zero_ether_addr(macaddr)) {
1455 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1456 ret = I40E_ERR_INVALID_MAC_ADDR;
1457 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1458 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1459 /* If the host VMM administrator has set the VF MAC address
1460 * administratively via the ndo_set_vf_mac command then deny
1461 * permission to the VF to add or delete unicast MAC addresses.
1462 * The VF may request to set the MAC address filter already
1463 * assigned to it so do not return an error in that case.
1465 dev_err(&pf->pdev->dev,
1466 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1473 * i40e_vc_add_mac_addr_msg
1474 * @vf: pointer to the vf info
1475 * @msg: pointer to the msg buffer
1476 * @msglen: msg length
1478 * add guest mac address filter
1480 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1482 struct i40e_virtchnl_ether_addr_list *al =
1483 (struct i40e_virtchnl_ether_addr_list *)msg;
1484 struct i40e_pf *pf = vf->pf;
1485 struct i40e_vsi *vsi = NULL;
1486 u16 vsi_id = al->vsi_id;
1487 i40e_status ret = 0;
1490 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1491 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1492 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1493 ret = I40E_ERR_PARAM;
1497 for (i = 0; i < al->num_elements; i++) {
1498 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1502 vsi = pf->vsi[vsi_id];
1504 /* add new addresses to the list */
1505 for (i = 0; i < al->num_elements; i++) {
1506 struct i40e_mac_filter *f;
1508 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1510 if (i40e_is_vsi_in_vlan(vsi))
1511 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1514 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1519 dev_err(&pf->pdev->dev,
1520 "Unable to add VF MAC filter\n");
1521 ret = I40E_ERR_PARAM;
1526 /* program the updated filter list */
1527 if (i40e_sync_vsi_filters(vsi))
1528 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1531 /* send the response to the vf */
1532 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1537 * i40e_vc_del_mac_addr_msg
1538 * @vf: pointer to the vf info
1539 * @msg: pointer to the msg buffer
1540 * @msglen: msg length
1542 * remove guest mac address filter
1544 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1546 struct i40e_virtchnl_ether_addr_list *al =
1547 (struct i40e_virtchnl_ether_addr_list *)msg;
1548 struct i40e_pf *pf = vf->pf;
1549 struct i40e_vsi *vsi = NULL;
1550 u16 vsi_id = al->vsi_id;
1551 i40e_status ret = 0;
1554 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1555 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1556 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1557 ret = I40E_ERR_PARAM;
1561 for (i = 0; i < al->num_elements; i++) {
1562 if (is_broadcast_ether_addr(al->list[i].addr) ||
1563 is_zero_ether_addr(al->list[i].addr)) {
1564 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1566 ret = I40E_ERR_INVALID_MAC_ADDR;
1570 vsi = pf->vsi[vsi_id];
1572 /* delete addresses from the list */
1573 for (i = 0; i < al->num_elements; i++)
1574 i40e_del_filter(vsi, al->list[i].addr,
1575 I40E_VLAN_ANY, true, false);
1577 /* program the updated filter list */
1578 if (i40e_sync_vsi_filters(vsi))
1579 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1582 /* send the response to the vf */
1583 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1588 * i40e_vc_add_vlan_msg
1589 * @vf: pointer to the vf info
1590 * @msg: pointer to the msg buffer
1591 * @msglen: msg length
1593 * program guest vlan id
1595 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1597 struct i40e_virtchnl_vlan_filter_list *vfl =
1598 (struct i40e_virtchnl_vlan_filter_list *)msg;
1599 struct i40e_pf *pf = vf->pf;
1600 struct i40e_vsi *vsi = NULL;
1601 u16 vsi_id = vfl->vsi_id;
1602 i40e_status aq_ret = 0;
1605 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1606 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1607 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1608 aq_ret = I40E_ERR_PARAM;
1612 for (i = 0; i < vfl->num_elements; i++) {
1613 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1614 aq_ret = I40E_ERR_PARAM;
1615 dev_err(&pf->pdev->dev,
1616 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1620 vsi = pf->vsi[vsi_id];
1621 if (vsi->info.pvid) {
1622 aq_ret = I40E_ERR_PARAM;
1626 i40e_vlan_stripping_enable(vsi);
1627 for (i = 0; i < vfl->num_elements; i++) {
1628 /* add new VLAN filter */
1629 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1631 dev_err(&pf->pdev->dev,
1632 "Unable to add VF vlan filter %d, error %d\n",
1633 vfl->vlan_id[i], ret);
1637 /* send the response to the vf */
1638 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1642 * i40e_vc_remove_vlan_msg
1643 * @vf: pointer to the vf info
1644 * @msg: pointer to the msg buffer
1645 * @msglen: msg length
1647 * remove programmed guest vlan id
1649 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1651 struct i40e_virtchnl_vlan_filter_list *vfl =
1652 (struct i40e_virtchnl_vlan_filter_list *)msg;
1653 struct i40e_pf *pf = vf->pf;
1654 struct i40e_vsi *vsi = NULL;
1655 u16 vsi_id = vfl->vsi_id;
1656 i40e_status aq_ret = 0;
1659 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1660 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1661 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1662 aq_ret = I40E_ERR_PARAM;
1666 for (i = 0; i < vfl->num_elements; i++) {
1667 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1668 aq_ret = I40E_ERR_PARAM;
1673 vsi = pf->vsi[vsi_id];
1674 if (vsi->info.pvid) {
1675 aq_ret = I40E_ERR_PARAM;
1679 for (i = 0; i < vfl->num_elements; i++) {
1680 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1682 dev_err(&pf->pdev->dev,
1683 "Unable to delete VF vlan filter %d, error %d\n",
1684 vfl->vlan_id[i], ret);
1688 /* send the response to the vf */
1689 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1693 * i40e_vc_validate_vf_msg
1694 * @vf: pointer to the vf info
1695 * @msg: pointer to the msg buffer
1696 * @msglen: msg length
1697 * @msghndl: msg handle
1701 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1702 u32 v_retval, u8 *msg, u16 msglen)
1704 bool err_msg_format = false;
1707 /* Check if VF is disabled. */
1708 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1709 return I40E_ERR_PARAM;
1711 /* Validate message length. */
1713 case I40E_VIRTCHNL_OP_VERSION:
1714 valid_len = sizeof(struct i40e_virtchnl_version_info);
1716 case I40E_VIRTCHNL_OP_RESET_VF:
1717 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1720 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1721 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1723 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1724 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1726 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1727 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1728 if (msglen >= valid_len) {
1729 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1730 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1731 valid_len += (vqc->num_queue_pairs *
1733 i40e_virtchnl_queue_pair_info));
1734 if (vqc->num_queue_pairs == 0)
1735 err_msg_format = true;
1738 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1739 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1740 if (msglen >= valid_len) {
1741 struct i40e_virtchnl_irq_map_info *vimi =
1742 (struct i40e_virtchnl_irq_map_info *)msg;
1743 valid_len += (vimi->num_vectors *
1744 sizeof(struct i40e_virtchnl_vector_map));
1745 if (vimi->num_vectors == 0)
1746 err_msg_format = true;
1749 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1750 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1751 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1753 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1754 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1755 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1756 if (msglen >= valid_len) {
1757 struct i40e_virtchnl_ether_addr_list *veal =
1758 (struct i40e_virtchnl_ether_addr_list *)msg;
1759 valid_len += veal->num_elements *
1760 sizeof(struct i40e_virtchnl_ether_addr);
1761 if (veal->num_elements == 0)
1762 err_msg_format = true;
1765 case I40E_VIRTCHNL_OP_ADD_VLAN:
1766 case I40E_VIRTCHNL_OP_DEL_VLAN:
1767 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1768 if (msglen >= valid_len) {
1769 struct i40e_virtchnl_vlan_filter_list *vfl =
1770 (struct i40e_virtchnl_vlan_filter_list *)msg;
1771 valid_len += vfl->num_elements * sizeof(u16);
1772 if (vfl->num_elements == 0)
1773 err_msg_format = true;
1776 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1777 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1779 case I40E_VIRTCHNL_OP_GET_STATS:
1780 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1782 /* These are always errors coming from the VF. */
1783 case I40E_VIRTCHNL_OP_EVENT:
1784 case I40E_VIRTCHNL_OP_UNKNOWN:
1789 /* few more checks */
1790 if ((valid_len != msglen) || (err_msg_format)) {
1791 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1799 * i40e_vc_process_vf_msg
1800 * @pf: pointer to the pf structure
1801 * @vf_id: source vf id
1802 * @msg: pointer to the msg buffer
1803 * @msglen: msg length
1804 * @msghndl: msg handle
1806 * called from the common aeq/arq handler to
1807 * process request from vf
1809 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1810 u32 v_retval, u8 *msg, u16 msglen)
1812 struct i40e_hw *hw = &pf->hw;
1813 unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1817 pf->vf_aq_requests++;
1818 if (local_vf_id >= pf->num_alloc_vfs)
1820 vf = &(pf->vf[local_vf_id]);
1821 /* perform basic checks on the msg */
1822 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1825 dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n",
1826 local_vf_id, v_opcode, msglen);
1831 case I40E_VIRTCHNL_OP_VERSION:
1832 ret = i40e_vc_get_version_msg(vf);
1834 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1835 ret = i40e_vc_get_vf_resources_msg(vf);
1837 case I40E_VIRTCHNL_OP_RESET_VF:
1838 i40e_vc_reset_vf_msg(vf);
1841 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1842 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1844 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1845 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1847 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1848 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1850 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1851 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1853 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1854 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1856 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1857 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1859 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1860 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1862 case I40E_VIRTCHNL_OP_ADD_VLAN:
1863 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1865 case I40E_VIRTCHNL_OP_DEL_VLAN:
1866 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1868 case I40E_VIRTCHNL_OP_GET_STATS:
1869 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1871 case I40E_VIRTCHNL_OP_UNKNOWN:
1873 dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n",
1874 v_opcode, local_vf_id);
1875 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1876 I40E_ERR_NOT_IMPLEMENTED);
1884 * i40e_vc_process_vflr_event
1885 * @pf: pointer to the pf structure
1887 * called from the vlfr irq handler to
1888 * free up vf resources and state variables
1890 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
1892 u32 reg, reg_idx, bit_idx, vf_id;
1893 struct i40e_hw *hw = &pf->hw;
1896 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
1899 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
1900 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
1901 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1902 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1903 /* read GLGEN_VFLRSTAT register to find out the flr vfs */
1904 vf = &pf->vf[vf_id];
1905 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
1906 if (reg & (1 << bit_idx)) {
1907 /* clear the bit in GLGEN_VFLRSTAT */
1908 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
1910 if (!test_bit(__I40E_DOWN, &pf->state))
1911 i40e_reset_vf(vf, true);
1915 /* re-enable vflr interrupt cause */
1916 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1917 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
1918 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1925 * i40e_vc_vf_broadcast
1926 * @pf: pointer to the pf structure
1927 * @opcode: operation code
1928 * @retval: return value
1929 * @msg: pointer to the msg buffer
1930 * @msglen: msg length
1932 * send a message to all VFs on a given PF
1934 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
1935 enum i40e_virtchnl_ops v_opcode,
1936 i40e_status v_retval, u8 *msg,
1939 struct i40e_hw *hw = &pf->hw;
1940 struct i40e_vf *vf = pf->vf;
1943 for (i = 0; i < pf->num_alloc_vfs; i++) {
1944 /* Ignore return value on purpose - a given VF may fail, but
1945 * we need to keep going and send to all of them
1947 i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
1954 * i40e_vc_notify_link_state
1955 * @pf: pointer to the pf structure
1957 * send a link status message to all VFs on a given PF
1959 void i40e_vc_notify_link_state(struct i40e_pf *pf)
1961 struct i40e_virtchnl_pf_event pfe;
1962 struct i40e_hw *hw = &pf->hw;
1963 struct i40e_vf *vf = pf->vf;
1964 struct i40e_link_status *ls = &pf->hw.phy.link_info;
1967 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
1968 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
1969 for (i = 0; i < pf->num_alloc_vfs; i++) {
1970 if (vf->link_forced) {
1971 pfe.event_data.link_event.link_status = vf->link_up;
1972 pfe.event_data.link_event.link_speed =
1973 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
1975 pfe.event_data.link_event.link_status =
1976 ls->link_info & I40E_AQ_LINK_UP;
1977 pfe.event_data.link_event.link_speed = ls->link_speed;
1979 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
1980 0, (u8 *)&pfe, sizeof(pfe),
1987 * i40e_vc_notify_reset
1988 * @pf: pointer to the pf structure
1990 * indicate a pending reset to all VFs on a given PF
1992 void i40e_vc_notify_reset(struct i40e_pf *pf)
1994 struct i40e_virtchnl_pf_event pfe;
1996 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
1997 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
1998 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
1999 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
2003 * i40e_vc_notify_vf_reset
2004 * @vf: pointer to the vf structure
2006 * indicate a pending reset to the given VF
2008 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
2010 struct i40e_virtchnl_pf_event pfe;
2012 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
2013 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
2014 i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2015 I40E_SUCCESS, (u8 *)&pfe,
2016 sizeof(struct i40e_virtchnl_pf_event), NULL);
2020 * i40e_ndo_set_vf_mac
2021 * @netdev: network interface device structure
2022 * @vf_id: vf identifier
2025 * program vf mac address
2027 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2029 struct i40e_netdev_priv *np = netdev_priv(netdev);
2030 struct i40e_vsi *vsi = np->vsi;
2031 struct i40e_pf *pf = vsi->back;
2032 struct i40e_mac_filter *f;
2036 /* validate the request */
2037 if (vf_id >= pf->num_alloc_vfs) {
2038 dev_err(&pf->pdev->dev,
2039 "Invalid VF Identifier %d\n", vf_id);
2044 vf = &(pf->vf[vf_id]);
2045 vsi = pf->vsi[vf->lan_vsi_index];
2046 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2047 dev_err(&pf->pdev->dev,
2048 "Uninitialized VF %d\n", vf_id);
2053 if (!is_valid_ether_addr(mac)) {
2054 dev_err(&pf->pdev->dev,
2055 "Invalid VF ethernet address\n");
2060 /* delete the temporary mac address */
2061 i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id,
2064 /* add the new mac address */
2065 f = i40e_add_filter(vsi, mac, vf->port_vlan_id, true, false);
2067 dev_err(&pf->pdev->dev,
2068 "Unable to add VF ucast filter\n");
2073 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2074 /* program mac filter */
2075 if (i40e_sync_vsi_filters(vsi)) {
2076 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2080 memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN);
2081 vf->pf_set_mac = true;
2082 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2090 * i40e_ndo_set_vf_port_vlan
2091 * @netdev: network interface device structure
2092 * @vf_id: vf identifier
2093 * @vlan_id: mac address
2094 * @qos: priority setting
2096 * program vf vlan id and/or qos
2098 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2099 int vf_id, u16 vlan_id, u8 qos)
2101 struct i40e_netdev_priv *np = netdev_priv(netdev);
2102 struct i40e_pf *pf = np->vsi->back;
2103 struct i40e_vsi *vsi;
2107 /* validate the request */
2108 if (vf_id >= pf->num_alloc_vfs) {
2109 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2114 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2115 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2120 vf = &(pf->vf[vf_id]);
2121 vsi = pf->vsi[vf->lan_vsi_index];
2122 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2123 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2128 if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) {
2129 dev_err(&pf->pdev->dev,
2130 "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",
2132 /* Administrator Error - knock the VF offline until he does
2133 * the right thing by reconfiguring his network correctly
2134 * and then reloading the VF driver.
2136 i40e_vc_disable_vf(pf, vf);
2139 /* Check for condition where there was already a port VLAN ID
2140 * filter set and now it is being deleted by setting it to zero.
2141 * Additionally check for the condition where there was a port
2142 * VLAN but now there is a new and different port VLAN being set.
2143 * Before deleting all the old VLAN filters we must add new ones
2144 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2145 * MAC addresses deleted.
2147 if ((!(vlan_id || qos) ||
2148 (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) &&
2150 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2152 if (vsi->info.pvid) {
2154 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2157 dev_info(&vsi->back->pdev->dev,
2158 "remove VLAN failed, ret=%d, aq_err=%d\n",
2159 ret, pf->hw.aq.asq_last_status);
2163 ret = i40e_vsi_add_pvid(vsi,
2164 vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
2166 i40e_vsi_remove_pvid(vsi);
2169 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2170 vlan_id, qos, vf_id);
2172 /* add new VLAN filter */
2173 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2175 dev_info(&vsi->back->pdev->dev,
2176 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2177 vsi->back->hw.aq.asq_last_status);
2180 /* Kill non-vlan MAC filters - ignore error return since
2181 * there might not be any non-vlan MAC filters.
2183 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2187 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2190 /* The Port VLAN needs to be saved across resets the same as the
2191 * default LAN MAC address.
2193 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2201 * i40e_ndo_set_vf_bw
2202 * @netdev: network interface device structure
2203 * @vf_id: vf identifier
2206 * configure vf tx rate
2208 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2211 struct i40e_netdev_priv *np = netdev_priv(netdev);
2212 struct i40e_pf *pf = np->vsi->back;
2213 struct i40e_vsi *vsi;
2218 /* validate the request */
2219 if (vf_id >= pf->num_alloc_vfs) {
2220 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2226 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for vf %d.\n",
2227 min_tx_rate, vf_id);
2231 vf = &(pf->vf[vf_id]);
2232 vsi = pf->vsi[vf->lan_vsi_index];
2233 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2234 dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id);
2239 switch (pf->hw.phy.link_info.link_speed) {
2240 case I40E_LINK_SPEED_40GB:
2243 case I40E_LINK_SPEED_10GB:
2246 case I40E_LINK_SPEED_1GB:
2253 if (max_tx_rate > speed) {
2254 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for vf %d.",
2255 max_tx_rate, vf->vf_id);
2260 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2261 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, max_tx_rate / 50,
2264 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2269 vf->tx_rate = max_tx_rate;
2275 * i40e_ndo_get_vf_config
2276 * @netdev: network interface device structure
2277 * @vf_id: vf identifier
2278 * @ivi: vf configuration structure
2280 * return vf configuration
2282 int i40e_ndo_get_vf_config(struct net_device *netdev,
2283 int vf_id, struct ifla_vf_info *ivi)
2285 struct i40e_netdev_priv *np = netdev_priv(netdev);
2286 struct i40e_vsi *vsi = np->vsi;
2287 struct i40e_pf *pf = vsi->back;
2291 /* validate the request */
2292 if (vf_id >= pf->num_alloc_vfs) {
2293 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2298 vf = &(pf->vf[vf_id]);
2299 /* first vsi is always the LAN vsi */
2300 vsi = pf->vsi[vf->lan_vsi_index];
2301 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2302 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2309 memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN);
2311 ivi->max_tx_rate = vf->tx_rate;
2312 ivi->min_tx_rate = 0;
2313 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2314 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2315 I40E_VLAN_PRIORITY_SHIFT;
2316 if (vf->link_forced == false)
2317 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2318 else if (vf->link_up == true)
2319 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2321 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2330 * i40e_ndo_set_vf_link_state
2331 * @netdev: network interface device structure
2332 * @vf_id: vf identifier
2333 * @link: required link state
2335 * Set the link state of a specified VF, regardless of physical link state
2337 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2339 struct i40e_netdev_priv *np = netdev_priv(netdev);
2340 struct i40e_pf *pf = np->vsi->back;
2341 struct i40e_virtchnl_pf_event pfe;
2342 struct i40e_hw *hw = &pf->hw;
2346 /* validate the request */
2347 if (vf_id >= pf->num_alloc_vfs) {
2348 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2353 vf = &pf->vf[vf_id];
2355 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2356 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2359 case IFLA_VF_LINK_STATE_AUTO:
2360 vf->link_forced = false;
2361 pfe.event_data.link_event.link_status =
2362 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2363 pfe.event_data.link_event.link_speed =
2364 pf->hw.phy.link_info.link_speed;
2366 case IFLA_VF_LINK_STATE_ENABLE:
2367 vf->link_forced = true;
2369 pfe.event_data.link_event.link_status = true;
2370 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2372 case IFLA_VF_LINK_STATE_DISABLE:
2373 vf->link_forced = true;
2374 vf->link_up = false;
2375 pfe.event_data.link_event.link_status = false;
2376 pfe.event_data.link_event.link_speed = 0;
2382 /* Notify the VF of its new link state */
2383 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2384 0, (u8 *)&pfe, sizeof(pfe), NULL);