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 if (!i40e_vfs_are_assigned(pf)) {
846 pci_disable_sriov(pf->pdev);
847 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
848 * work correctly when SR-IOV gets re-enabled.
850 for (vf_id = 0; vf_id < tmp; vf_id++) {
851 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
852 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
853 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
855 i40e_disable_pf_switch_lb(pf);
857 dev_warn(&pf->pdev->dev,
858 "unable to disable SR-IOV because VFs are assigned.\n");
861 /* Re-enable interrupt 0. */
862 i40e_irq_dynamic_enable_icr0(pf);
865 #ifdef CONFIG_PCI_IOV
868 * @pf: pointer to the pf structure
869 * @num_alloc_vfs: number of vfs to allocate
871 * allocate vf resources
873 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
878 /* Disable interrupt 0 so we don't try to handle the VFLR. */
879 i40e_irq_dynamic_disable_icr0(pf);
881 /* Check to see if we're just allocating resources for extant VFs */
882 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
883 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
885 dev_err(&pf->pdev->dev,
886 "Failed to enable SR-IOV, error %d.\n", ret);
887 pf->num_alloc_vfs = 0;
891 /* allocate memory */
892 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
898 /* apply default profile */
899 for (i = 0; i < num_alloc_vfs; i++) {
901 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
904 /* assign default capabilities */
905 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
906 /* vf resources get allocated during reset */
907 i40e_reset_vf(&vfs[i], false);
909 /* enable vf vplan_qtable mappings */
910 i40e_enable_vf_mappings(&vfs[i]);
913 pf->num_alloc_vfs = num_alloc_vfs;
915 i40e_enable_pf_switch_lb(pf);
920 /* Re-enable interrupt 0. */
921 i40e_irq_dynamic_enable_icr0(pf);
927 * i40e_pci_sriov_enable
928 * @pdev: pointer to a pci_dev structure
929 * @num_vfs: number of vfs to allocate
931 * Enable or change the number of VFs
933 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
935 #ifdef CONFIG_PCI_IOV
936 struct i40e_pf *pf = pci_get_drvdata(pdev);
937 int pre_existing_vfs = pci_num_vf(pdev);
940 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
941 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
943 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
946 if (num_vfs > pf->num_req_vfs) {
951 err = i40e_alloc_vfs(pf, num_vfs);
953 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
967 * i40e_pci_sriov_configure
968 * @pdev: pointer to a pci_dev structure
969 * @num_vfs: number of vfs to allocate
971 * Enable or change the number of VFs. Called when the user updates the number
974 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
976 struct i40e_pf *pf = pci_get_drvdata(pdev);
979 return i40e_pci_sriov_enable(pdev, num_vfs);
985 /***********************virtual channel routines******************/
988 * i40e_vc_send_msg_to_vf
989 * @vf: pointer to the vf info
990 * @v_opcode: virtual channel opcode
991 * @v_retval: virtual channel return value
992 * @msg: pointer to the msg buffer
993 * @msglen: msg length
997 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
998 u32 v_retval, u8 *msg, u16 msglen)
1000 struct i40e_pf *pf = vf->pf;
1001 struct i40e_hw *hw = &pf->hw;
1002 int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1005 /* single place to detect unsuccessful return values */
1007 vf->num_invalid_msgs++;
1008 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
1009 v_opcode, v_retval);
1010 if (vf->num_invalid_msgs >
1011 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1012 dev_err(&pf->pdev->dev,
1013 "Number of invalid messages exceeded for VF %d\n",
1015 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1016 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1019 vf->num_valid_msgs++;
1022 aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval,
1025 dev_err(&pf->pdev->dev,
1026 "Unable to send the message to VF %d aq_err %d\n",
1027 vf->vf_id, pf->hw.aq.asq_last_status);
1035 * i40e_vc_send_resp_to_vf
1036 * @vf: pointer to the vf info
1037 * @opcode: operation code
1038 * @retval: return value
1040 * send resp msg to vf
1042 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1043 enum i40e_virtchnl_ops opcode,
1046 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1050 * i40e_vc_get_version_msg
1051 * @vf: pointer to the vf info
1053 * called from the vf to request the API version used by the PF
1055 static int i40e_vc_get_version_msg(struct i40e_vf *vf)
1057 struct i40e_virtchnl_version_info info = {
1058 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1061 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1062 I40E_SUCCESS, (u8 *)&info,
1064 i40e_virtchnl_version_info));
1068 * i40e_vc_get_vf_resources_msg
1069 * @vf: pointer to the vf info
1070 * @msg: pointer to the msg buffer
1071 * @msglen: msg length
1073 * called from the vf to request its resources
1075 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
1077 struct i40e_virtchnl_vf_resource *vfres = NULL;
1078 struct i40e_pf *pf = vf->pf;
1079 i40e_status aq_ret = 0;
1080 struct i40e_vsi *vsi;
1085 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1086 aq_ret = I40E_ERR_PARAM;
1090 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1091 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1093 vfres = kzalloc(len, GFP_KERNEL);
1095 aq_ret = I40E_ERR_NO_MEMORY;
1100 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1101 vsi = pf->vsi[vf->lan_vsi_index];
1102 if (!vsi->info.pvid)
1103 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1105 vfres->num_vsis = num_vsis;
1106 vfres->num_queue_pairs = vf->num_queue_pairs;
1107 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1108 if (vf->lan_vsi_index) {
1109 vfres->vsi_res[i].vsi_id = vf->lan_vsi_index;
1110 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1111 vfres->vsi_res[i].num_queue_pairs =
1112 pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
1113 memcpy(vfres->vsi_res[i].default_mac_addr,
1114 vf->default_lan_addr.addr, ETH_ALEN);
1117 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1120 /* send the response back to the vf */
1121 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1122 aq_ret, (u8 *)vfres, len);
1129 * i40e_vc_reset_vf_msg
1130 * @vf: pointer to the vf info
1131 * @msg: pointer to the msg buffer
1132 * @msglen: msg length
1134 * called from the vf to reset itself,
1135 * unlike other virtchnl messages, pf driver
1136 * doesn't send the response back to the vf
1138 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1140 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1141 i40e_reset_vf(vf, false);
1145 * i40e_vc_config_promiscuous_mode_msg
1146 * @vf: pointer to the vf info
1147 * @msg: pointer to the msg buffer
1148 * @msglen: msg length
1150 * called from the vf to configure the promiscuous mode of
1153 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1154 u8 *msg, u16 msglen)
1156 struct i40e_virtchnl_promisc_info *info =
1157 (struct i40e_virtchnl_promisc_info *)msg;
1158 struct i40e_pf *pf = vf->pf;
1159 struct i40e_hw *hw = &pf->hw;
1160 bool allmulti = false;
1161 bool promisc = false;
1164 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1165 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1166 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1167 (pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) {
1168 aq_ret = I40E_ERR_PARAM;
1172 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1174 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id,
1179 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1181 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id,
1185 /* send the response to the vf */
1186 return i40e_vc_send_resp_to_vf(vf,
1187 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1192 * i40e_vc_config_queues_msg
1193 * @vf: pointer to the vf info
1194 * @msg: pointer to the msg buffer
1195 * @msglen: msg length
1197 * called from the vf to configure the rx/tx
1200 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1202 struct i40e_virtchnl_vsi_queue_config_info *qci =
1203 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1204 struct i40e_virtchnl_queue_pair_info *qpi;
1205 u16 vsi_id, vsi_queue_id;
1206 i40e_status aq_ret = 0;
1209 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1210 aq_ret = I40E_ERR_PARAM;
1214 vsi_id = qci->vsi_id;
1215 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1216 aq_ret = I40E_ERR_PARAM;
1219 for (i = 0; i < qci->num_queue_pairs; i++) {
1220 qpi = &qci->qpair[i];
1221 vsi_queue_id = qpi->txq.queue_id;
1222 if ((qpi->txq.vsi_id != vsi_id) ||
1223 (qpi->rxq.vsi_id != vsi_id) ||
1224 (qpi->rxq.queue_id != vsi_queue_id) ||
1225 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1226 aq_ret = I40E_ERR_PARAM;
1230 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1232 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1234 aq_ret = I40E_ERR_PARAM;
1240 /* send the response to the vf */
1241 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1246 * i40e_vc_config_irq_map_msg
1247 * @vf: pointer to the vf info
1248 * @msg: pointer to the msg buffer
1249 * @msglen: msg length
1251 * called from the vf to configure the irq to
1254 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1256 struct i40e_virtchnl_irq_map_info *irqmap_info =
1257 (struct i40e_virtchnl_irq_map_info *)msg;
1258 struct i40e_virtchnl_vector_map *map;
1259 u16 vsi_id, vsi_queue_id, vector_id;
1260 i40e_status aq_ret = 0;
1261 unsigned long tempmap;
1264 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1265 aq_ret = I40E_ERR_PARAM;
1269 for (i = 0; i < irqmap_info->num_vectors; i++) {
1270 map = &irqmap_info->vecmap[i];
1272 vector_id = map->vector_id;
1273 vsi_id = map->vsi_id;
1274 /* validate msg params */
1275 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1276 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1277 aq_ret = I40E_ERR_PARAM;
1281 /* lookout for the invalid queue index */
1282 tempmap = map->rxq_map;
1283 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1284 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1286 aq_ret = I40E_ERR_PARAM;
1291 tempmap = map->txq_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 i40e_config_irq_link_list(vf, vsi_id, map);
1303 /* send the response to the vf */
1304 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1309 * i40e_vc_enable_queues_msg
1310 * @vf: pointer to the vf info
1311 * @msg: pointer to the msg buffer
1312 * @msglen: msg length
1314 * called from the vf to enable all or specific queue(s)
1316 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1318 struct i40e_virtchnl_queue_select *vqs =
1319 (struct i40e_virtchnl_queue_select *)msg;
1320 struct i40e_pf *pf = vf->pf;
1321 u16 vsi_id = vqs->vsi_id;
1322 i40e_status aq_ret = 0;
1324 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1325 aq_ret = I40E_ERR_PARAM;
1329 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1330 aq_ret = I40E_ERR_PARAM;
1334 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1335 aq_ret = I40E_ERR_PARAM;
1338 if (i40e_vsi_control_rings(pf->vsi[vsi_id], true))
1339 aq_ret = I40E_ERR_TIMEOUT;
1341 /* send the response to the vf */
1342 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1347 * i40e_vc_disable_queues_msg
1348 * @vf: pointer to the vf info
1349 * @msg: pointer to the msg buffer
1350 * @msglen: msg length
1352 * called from the vf to disable all or specific
1355 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1357 struct i40e_virtchnl_queue_select *vqs =
1358 (struct i40e_virtchnl_queue_select *)msg;
1359 struct i40e_pf *pf = vf->pf;
1360 u16 vsi_id = vqs->vsi_id;
1361 i40e_status aq_ret = 0;
1363 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1364 aq_ret = I40E_ERR_PARAM;
1368 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1369 aq_ret = I40E_ERR_PARAM;
1373 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1374 aq_ret = I40E_ERR_PARAM;
1377 if (i40e_vsi_control_rings(pf->vsi[vsi_id], false))
1378 aq_ret = I40E_ERR_TIMEOUT;
1381 /* send the response to the vf */
1382 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1387 * i40e_vc_get_stats_msg
1388 * @vf: pointer to the vf info
1389 * @msg: pointer to the msg buffer
1390 * @msglen: msg length
1392 * called from the vf to get vsi stats
1394 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1396 struct i40e_virtchnl_queue_select *vqs =
1397 (struct i40e_virtchnl_queue_select *)msg;
1398 struct i40e_pf *pf = vf->pf;
1399 struct i40e_eth_stats stats;
1400 i40e_status aq_ret = 0;
1401 struct i40e_vsi *vsi;
1403 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1405 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1406 aq_ret = I40E_ERR_PARAM;
1410 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1411 aq_ret = I40E_ERR_PARAM;
1415 vsi = pf->vsi[vqs->vsi_id];
1417 aq_ret = I40E_ERR_PARAM;
1420 i40e_update_eth_stats(vsi);
1421 stats = vsi->eth_stats;
1424 /* send the response back to the vf */
1425 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1426 (u8 *)&stats, sizeof(stats));
1430 * i40e_check_vf_permission
1431 * @vf: pointer to the vf info
1432 * @macaddr: pointer to the MAC Address being checked
1434 * Check if the VF has permission to add or delete unicast MAC address
1435 * filters and return error code -EPERM if not. Then check if the
1436 * address filter requested is broadcast or zero and if so return
1437 * an invalid MAC address error code.
1439 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1441 struct i40e_pf *pf = vf->pf;
1444 if (is_broadcast_ether_addr(macaddr) ||
1445 is_zero_ether_addr(macaddr)) {
1446 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1447 ret = I40E_ERR_INVALID_MAC_ADDR;
1448 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1449 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1450 /* If the host VMM administrator has set the VF MAC address
1451 * administratively via the ndo_set_vf_mac command then deny
1452 * permission to the VF to add or delete unicast MAC addresses.
1453 * The VF may request to set the MAC address filter already
1454 * assigned to it so do not return an error in that case.
1456 dev_err(&pf->pdev->dev,
1457 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1464 * i40e_vc_add_mac_addr_msg
1465 * @vf: pointer to the vf info
1466 * @msg: pointer to the msg buffer
1467 * @msglen: msg length
1469 * add guest mac address filter
1471 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1473 struct i40e_virtchnl_ether_addr_list *al =
1474 (struct i40e_virtchnl_ether_addr_list *)msg;
1475 struct i40e_pf *pf = vf->pf;
1476 struct i40e_vsi *vsi = NULL;
1477 u16 vsi_id = al->vsi_id;
1478 i40e_status ret = 0;
1481 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1482 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1483 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1484 ret = I40E_ERR_PARAM;
1488 for (i = 0; i < al->num_elements; i++) {
1489 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1493 vsi = pf->vsi[vsi_id];
1495 /* add new addresses to the list */
1496 for (i = 0; i < al->num_elements; i++) {
1497 struct i40e_mac_filter *f;
1499 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1501 if (i40e_is_vsi_in_vlan(vsi))
1502 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1505 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1510 dev_err(&pf->pdev->dev,
1511 "Unable to add VF MAC filter\n");
1512 ret = I40E_ERR_PARAM;
1517 /* program the updated filter list */
1518 if (i40e_sync_vsi_filters(vsi))
1519 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1522 /* send the response to the vf */
1523 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1528 * i40e_vc_del_mac_addr_msg
1529 * @vf: pointer to the vf info
1530 * @msg: pointer to the msg buffer
1531 * @msglen: msg length
1533 * remove guest mac address filter
1535 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1537 struct i40e_virtchnl_ether_addr_list *al =
1538 (struct i40e_virtchnl_ether_addr_list *)msg;
1539 struct i40e_pf *pf = vf->pf;
1540 struct i40e_vsi *vsi = NULL;
1541 u16 vsi_id = al->vsi_id;
1542 i40e_status ret = 0;
1545 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1546 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1547 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1548 ret = I40E_ERR_PARAM;
1552 for (i = 0; i < al->num_elements; i++) {
1553 if (is_broadcast_ether_addr(al->list[i].addr) ||
1554 is_zero_ether_addr(al->list[i].addr)) {
1555 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1557 ret = I40E_ERR_INVALID_MAC_ADDR;
1561 vsi = pf->vsi[vsi_id];
1563 /* delete addresses from the list */
1564 for (i = 0; i < al->num_elements; i++)
1565 i40e_del_filter(vsi, al->list[i].addr,
1566 I40E_VLAN_ANY, true, false);
1568 /* program the updated filter list */
1569 if (i40e_sync_vsi_filters(vsi))
1570 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1573 /* send the response to the vf */
1574 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1579 * i40e_vc_add_vlan_msg
1580 * @vf: pointer to the vf info
1581 * @msg: pointer to the msg buffer
1582 * @msglen: msg length
1584 * program guest vlan id
1586 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1588 struct i40e_virtchnl_vlan_filter_list *vfl =
1589 (struct i40e_virtchnl_vlan_filter_list *)msg;
1590 struct i40e_pf *pf = vf->pf;
1591 struct i40e_vsi *vsi = NULL;
1592 u16 vsi_id = vfl->vsi_id;
1593 i40e_status aq_ret = 0;
1596 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1597 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1598 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1599 aq_ret = I40E_ERR_PARAM;
1603 for (i = 0; i < vfl->num_elements; i++) {
1604 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1605 aq_ret = I40E_ERR_PARAM;
1606 dev_err(&pf->pdev->dev,
1607 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1611 vsi = pf->vsi[vsi_id];
1612 if (vsi->info.pvid) {
1613 aq_ret = I40E_ERR_PARAM;
1617 i40e_vlan_stripping_enable(vsi);
1618 for (i = 0; i < vfl->num_elements; i++) {
1619 /* add new VLAN filter */
1620 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1622 dev_err(&pf->pdev->dev,
1623 "Unable to add VF vlan filter %d, error %d\n",
1624 vfl->vlan_id[i], ret);
1628 /* send the response to the vf */
1629 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1633 * i40e_vc_remove_vlan_msg
1634 * @vf: pointer to the vf info
1635 * @msg: pointer to the msg buffer
1636 * @msglen: msg length
1638 * remove programmed guest vlan id
1640 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1642 struct i40e_virtchnl_vlan_filter_list *vfl =
1643 (struct i40e_virtchnl_vlan_filter_list *)msg;
1644 struct i40e_pf *pf = vf->pf;
1645 struct i40e_vsi *vsi = NULL;
1646 u16 vsi_id = vfl->vsi_id;
1647 i40e_status aq_ret = 0;
1650 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1651 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1652 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1653 aq_ret = I40E_ERR_PARAM;
1657 for (i = 0; i < vfl->num_elements; i++) {
1658 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1659 aq_ret = I40E_ERR_PARAM;
1664 vsi = pf->vsi[vsi_id];
1665 if (vsi->info.pvid) {
1666 aq_ret = I40E_ERR_PARAM;
1670 for (i = 0; i < vfl->num_elements; i++) {
1671 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1673 dev_err(&pf->pdev->dev,
1674 "Unable to delete VF vlan filter %d, error %d\n",
1675 vfl->vlan_id[i], ret);
1679 /* send the response to the vf */
1680 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1684 * i40e_vc_validate_vf_msg
1685 * @vf: pointer to the vf info
1686 * @msg: pointer to the msg buffer
1687 * @msglen: msg length
1688 * @msghndl: msg handle
1692 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1693 u32 v_retval, u8 *msg, u16 msglen)
1695 bool err_msg_format = false;
1698 /* Check if VF is disabled. */
1699 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1700 return I40E_ERR_PARAM;
1702 /* Validate message length. */
1704 case I40E_VIRTCHNL_OP_VERSION:
1705 valid_len = sizeof(struct i40e_virtchnl_version_info);
1707 case I40E_VIRTCHNL_OP_RESET_VF:
1708 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1711 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1712 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1714 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1715 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1717 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1718 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1719 if (msglen >= valid_len) {
1720 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1721 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1722 valid_len += (vqc->num_queue_pairs *
1724 i40e_virtchnl_queue_pair_info));
1725 if (vqc->num_queue_pairs == 0)
1726 err_msg_format = true;
1729 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1730 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1731 if (msglen >= valid_len) {
1732 struct i40e_virtchnl_irq_map_info *vimi =
1733 (struct i40e_virtchnl_irq_map_info *)msg;
1734 valid_len += (vimi->num_vectors *
1735 sizeof(struct i40e_virtchnl_vector_map));
1736 if (vimi->num_vectors == 0)
1737 err_msg_format = true;
1740 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1741 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1742 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1744 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1745 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1746 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1747 if (msglen >= valid_len) {
1748 struct i40e_virtchnl_ether_addr_list *veal =
1749 (struct i40e_virtchnl_ether_addr_list *)msg;
1750 valid_len += veal->num_elements *
1751 sizeof(struct i40e_virtchnl_ether_addr);
1752 if (veal->num_elements == 0)
1753 err_msg_format = true;
1756 case I40E_VIRTCHNL_OP_ADD_VLAN:
1757 case I40E_VIRTCHNL_OP_DEL_VLAN:
1758 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1759 if (msglen >= valid_len) {
1760 struct i40e_virtchnl_vlan_filter_list *vfl =
1761 (struct i40e_virtchnl_vlan_filter_list *)msg;
1762 valid_len += vfl->num_elements * sizeof(u16);
1763 if (vfl->num_elements == 0)
1764 err_msg_format = true;
1767 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1768 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1770 case I40E_VIRTCHNL_OP_GET_STATS:
1771 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1773 /* These are always errors coming from the VF. */
1774 case I40E_VIRTCHNL_OP_EVENT:
1775 case I40E_VIRTCHNL_OP_UNKNOWN:
1780 /* few more checks */
1781 if ((valid_len != msglen) || (err_msg_format)) {
1782 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1790 * i40e_vc_process_vf_msg
1791 * @pf: pointer to the pf structure
1792 * @vf_id: source vf id
1793 * @msg: pointer to the msg buffer
1794 * @msglen: msg length
1795 * @msghndl: msg handle
1797 * called from the common aeq/arq handler to
1798 * process request from vf
1800 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1801 u32 v_retval, u8 *msg, u16 msglen)
1803 struct i40e_hw *hw = &pf->hw;
1804 unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1808 pf->vf_aq_requests++;
1809 if (local_vf_id >= pf->num_alloc_vfs)
1811 vf = &(pf->vf[local_vf_id]);
1812 /* perform basic checks on the msg */
1813 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1816 dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n",
1817 local_vf_id, v_opcode, msglen);
1822 case I40E_VIRTCHNL_OP_VERSION:
1823 ret = i40e_vc_get_version_msg(vf);
1825 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1826 ret = i40e_vc_get_vf_resources_msg(vf);
1828 case I40E_VIRTCHNL_OP_RESET_VF:
1829 i40e_vc_reset_vf_msg(vf);
1832 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1833 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1835 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1836 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1838 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1839 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1841 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1842 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1844 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1845 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1847 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1848 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1850 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1851 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1853 case I40E_VIRTCHNL_OP_ADD_VLAN:
1854 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1856 case I40E_VIRTCHNL_OP_DEL_VLAN:
1857 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1859 case I40E_VIRTCHNL_OP_GET_STATS:
1860 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1862 case I40E_VIRTCHNL_OP_UNKNOWN:
1864 dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n",
1865 v_opcode, local_vf_id);
1866 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1867 I40E_ERR_NOT_IMPLEMENTED);
1875 * i40e_vc_process_vflr_event
1876 * @pf: pointer to the pf structure
1878 * called from the vlfr irq handler to
1879 * free up vf resources and state variables
1881 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
1883 u32 reg, reg_idx, bit_idx, vf_id;
1884 struct i40e_hw *hw = &pf->hw;
1887 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
1890 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
1891 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
1892 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1893 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1894 /* read GLGEN_VFLRSTAT register to find out the flr vfs */
1895 vf = &pf->vf[vf_id];
1896 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
1897 if (reg & (1 << bit_idx)) {
1898 /* clear the bit in GLGEN_VFLRSTAT */
1899 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
1901 if (!test_bit(__I40E_DOWN, &pf->state))
1902 i40e_reset_vf(vf, true);
1906 /* re-enable vflr interrupt cause */
1907 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1908 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
1909 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1916 * i40e_vc_vf_broadcast
1917 * @pf: pointer to the pf structure
1918 * @opcode: operation code
1919 * @retval: return value
1920 * @msg: pointer to the msg buffer
1921 * @msglen: msg length
1923 * send a message to all VFs on a given PF
1925 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
1926 enum i40e_virtchnl_ops v_opcode,
1927 i40e_status v_retval, u8 *msg,
1930 struct i40e_hw *hw = &pf->hw;
1931 struct i40e_vf *vf = pf->vf;
1934 for (i = 0; i < pf->num_alloc_vfs; i++) {
1935 /* Ignore return value on purpose - a given VF may fail, but
1936 * we need to keep going and send to all of them
1938 i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
1945 * i40e_vc_notify_link_state
1946 * @pf: pointer to the pf structure
1948 * send a link status message to all VFs on a given PF
1950 void i40e_vc_notify_link_state(struct i40e_pf *pf)
1952 struct i40e_virtchnl_pf_event pfe;
1953 struct i40e_hw *hw = &pf->hw;
1954 struct i40e_vf *vf = pf->vf;
1955 struct i40e_link_status *ls = &pf->hw.phy.link_info;
1958 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
1959 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
1960 for (i = 0; i < pf->num_alloc_vfs; i++) {
1961 if (vf->link_forced) {
1962 pfe.event_data.link_event.link_status = vf->link_up;
1963 pfe.event_data.link_event.link_speed =
1964 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
1966 pfe.event_data.link_event.link_status =
1967 ls->link_info & I40E_AQ_LINK_UP;
1968 pfe.event_data.link_event.link_speed = ls->link_speed;
1970 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
1971 0, (u8 *)&pfe, sizeof(pfe),
1978 * i40e_vc_notify_reset
1979 * @pf: pointer to the pf structure
1981 * indicate a pending reset to all VFs on a given PF
1983 void i40e_vc_notify_reset(struct i40e_pf *pf)
1985 struct i40e_virtchnl_pf_event pfe;
1987 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
1988 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
1989 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
1990 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
1994 * i40e_vc_notify_vf_reset
1995 * @vf: pointer to the vf structure
1997 * indicate a pending reset to the given VF
1999 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
2001 struct i40e_virtchnl_pf_event pfe;
2003 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
2004 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
2005 i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2006 I40E_SUCCESS, (u8 *)&pfe,
2007 sizeof(struct i40e_virtchnl_pf_event), NULL);
2011 * i40e_ndo_set_vf_mac
2012 * @netdev: network interface device structure
2013 * @vf_id: vf identifier
2016 * program vf mac address
2018 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2020 struct i40e_netdev_priv *np = netdev_priv(netdev);
2021 struct i40e_vsi *vsi = np->vsi;
2022 struct i40e_pf *pf = vsi->back;
2023 struct i40e_mac_filter *f;
2027 /* validate the request */
2028 if (vf_id >= pf->num_alloc_vfs) {
2029 dev_err(&pf->pdev->dev,
2030 "Invalid VF Identifier %d\n", vf_id);
2035 vf = &(pf->vf[vf_id]);
2036 vsi = pf->vsi[vf->lan_vsi_index];
2037 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2038 dev_err(&pf->pdev->dev,
2039 "Uninitialized VF %d\n", vf_id);
2044 if (!is_valid_ether_addr(mac)) {
2045 dev_err(&pf->pdev->dev,
2046 "Invalid VF ethernet address\n");
2051 /* delete the temporary mac address */
2052 i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id,
2055 /* add the new mac address */
2056 f = i40e_add_filter(vsi, mac, vf->port_vlan_id, true, false);
2058 dev_err(&pf->pdev->dev,
2059 "Unable to add VF ucast filter\n");
2064 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2065 /* program mac filter */
2066 if (i40e_sync_vsi_filters(vsi)) {
2067 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2071 memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN);
2072 vf->pf_set_mac = true;
2073 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2081 * i40e_ndo_set_vf_port_vlan
2082 * @netdev: network interface device structure
2083 * @vf_id: vf identifier
2084 * @vlan_id: mac address
2085 * @qos: priority setting
2087 * program vf vlan id and/or qos
2089 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2090 int vf_id, u16 vlan_id, u8 qos)
2092 struct i40e_netdev_priv *np = netdev_priv(netdev);
2093 struct i40e_pf *pf = np->vsi->back;
2094 struct i40e_vsi *vsi;
2098 /* validate the request */
2099 if (vf_id >= pf->num_alloc_vfs) {
2100 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2105 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2106 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2111 vf = &(pf->vf[vf_id]);
2112 vsi = pf->vsi[vf->lan_vsi_index];
2113 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2114 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2119 if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) {
2120 dev_err(&pf->pdev->dev,
2121 "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",
2123 /* Administrator Error - knock the VF offline until he does
2124 * the right thing by reconfiguring his network correctly
2125 * and then reloading the VF driver.
2127 i40e_vc_disable_vf(pf, vf);
2130 /* Check for condition where there was already a port VLAN ID
2131 * filter set and now it is being deleted by setting it to zero.
2132 * Additionally check for the condition where there was a port
2133 * VLAN but now there is a new and different port VLAN being set.
2134 * Before deleting all the old VLAN filters we must add new ones
2135 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2136 * MAC addresses deleted.
2138 if ((!(vlan_id || qos) ||
2139 (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) &&
2141 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2143 if (vsi->info.pvid) {
2145 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2148 dev_info(&vsi->back->pdev->dev,
2149 "remove VLAN failed, ret=%d, aq_err=%d\n",
2150 ret, pf->hw.aq.asq_last_status);
2154 ret = i40e_vsi_add_pvid(vsi,
2155 vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
2157 i40e_vsi_remove_pvid(vsi);
2160 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2161 vlan_id, qos, vf_id);
2163 /* add new VLAN filter */
2164 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2166 dev_info(&vsi->back->pdev->dev,
2167 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2168 vsi->back->hw.aq.asq_last_status);
2171 /* Kill non-vlan MAC filters - ignore error return since
2172 * there might not be any non-vlan MAC filters.
2174 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2178 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2181 /* The Port VLAN needs to be saved across resets the same as the
2182 * default LAN MAC address.
2184 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2192 * i40e_ndo_set_vf_bw
2193 * @netdev: network interface device structure
2194 * @vf_id: vf identifier
2197 * configure vf tx rate
2199 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate)
2201 struct i40e_netdev_priv *np = netdev_priv(netdev);
2202 struct i40e_pf *pf = np->vsi->back;
2203 struct i40e_vsi *vsi;
2208 /* validate the request */
2209 if (vf_id >= pf->num_alloc_vfs) {
2210 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2215 vf = &(pf->vf[vf_id]);
2216 vsi = pf->vsi[vf->lan_vsi_index];
2217 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2218 dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id);
2223 switch (pf->hw.phy.link_info.link_speed) {
2224 case I40E_LINK_SPEED_40GB:
2227 case I40E_LINK_SPEED_10GB:
2230 case I40E_LINK_SPEED_1GB:
2237 if (tx_rate > speed) {
2238 dev_err(&pf->pdev->dev, "Invalid tx rate %d specified for vf %d.",
2239 tx_rate, vf->vf_id);
2244 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2245 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, tx_rate / 50, 0,
2248 dev_err(&pf->pdev->dev, "Unable to set tx rate, error code %d.\n",
2253 vf->tx_rate = tx_rate;
2259 * i40e_ndo_get_vf_config
2260 * @netdev: network interface device structure
2261 * @vf_id: vf identifier
2262 * @ivi: vf configuration structure
2264 * return vf configuration
2266 int i40e_ndo_get_vf_config(struct net_device *netdev,
2267 int vf_id, struct ifla_vf_info *ivi)
2269 struct i40e_netdev_priv *np = netdev_priv(netdev);
2270 struct i40e_vsi *vsi = np->vsi;
2271 struct i40e_pf *pf = vsi->back;
2275 /* validate the request */
2276 if (vf_id >= pf->num_alloc_vfs) {
2277 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2282 vf = &(pf->vf[vf_id]);
2283 /* first vsi is always the LAN vsi */
2284 vsi = pf->vsi[vf->lan_vsi_index];
2285 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2286 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2293 memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN);
2295 ivi->tx_rate = vf->tx_rate;
2296 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2297 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2298 I40E_VLAN_PRIORITY_SHIFT;
2299 if (vf->link_forced == false)
2300 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2301 else if (vf->link_up == true)
2302 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2304 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2313 * i40e_ndo_set_vf_link_state
2314 * @netdev: network interface device structure
2315 * @vf_id: vf identifier
2316 * @link: required link state
2318 * Set the link state of a specified VF, regardless of physical link state
2320 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2322 struct i40e_netdev_priv *np = netdev_priv(netdev);
2323 struct i40e_pf *pf = np->vsi->back;
2324 struct i40e_virtchnl_pf_event pfe;
2325 struct i40e_hw *hw = &pf->hw;
2329 /* validate the request */
2330 if (vf_id >= pf->num_alloc_vfs) {
2331 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2336 vf = &pf->vf[vf_id];
2338 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2339 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2342 case IFLA_VF_LINK_STATE_AUTO:
2343 vf->link_forced = false;
2344 pfe.event_data.link_event.link_status =
2345 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2346 pfe.event_data.link_event.link_speed =
2347 pf->hw.phy.link_info.link_speed;
2349 case IFLA_VF_LINK_STATE_ENABLE:
2350 vf->link_forced = true;
2352 pfe.event_data.link_event.link_status = true;
2353 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2355 case IFLA_VF_LINK_STATE_DISABLE:
2356 vf->link_forced = true;
2357 vf->link_up = false;
2358 pfe.event_data.link_event.link_status = false;
2359 pfe.event_data.link_event.link_speed = 0;
2365 /* Notify the VF of its new link state */
2366 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2367 0, (u8 *)&pfe, sizeof(pfe), NULL);