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 = info->headwb_enabled;
252 tx_ctx.head_wb_addr = info->dma_headwb_addr;
254 /* clear the context in the HMC */
255 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
257 dev_err(&pf->pdev->dev,
258 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
264 /* set the context in the HMC */
265 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
267 dev_err(&pf->pdev->dev,
268 "Failed to set VF LAN Tx queue context %d error: %d\n",
274 /* associate this queue with the PCI VF function */
275 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
276 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
277 & I40E_QTX_CTL_PF_INDX_MASK);
278 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
279 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
280 & I40E_QTX_CTL_VFVM_INDX_MASK);
281 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
289 * i40e_config_vsi_rx_queue
290 * @vf: pointer to the vf info
291 * @vsi_idx: index of VSI in PF struct
292 * @vsi_queue_id: vsi relative queue index
293 * @info: config. info
297 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx,
299 struct i40e_virtchnl_rxq_info *info)
301 struct i40e_pf *pf = vf->pf;
302 struct i40e_hw *hw = &pf->hw;
303 struct i40e_hmc_obj_rxq rx_ctx;
307 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
309 /* clear the context structure first */
310 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
312 /* only set the required fields */
313 rx_ctx.base = info->dma_ring_addr / 128;
314 rx_ctx.qlen = info->ring_len;
316 if (info->splithdr_enabled) {
317 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
319 I40E_RX_SPLIT_TCP_UDP |
321 /* header length validation */
322 if (info->hdr_size > ((2 * 1024) - 64)) {
326 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
328 /* set splitalways mode 10b */
332 /* databuffer length validation */
333 if (info->databuffer_size > ((16 * 1024) - 128)) {
337 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
339 /* max pkt. length validation */
340 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
344 rx_ctx.rxmax = info->max_pkt_size;
346 /* enable 32bytes desc always */
350 rx_ctx.tphrdesc_ena = 1;
351 rx_ctx.tphwdesc_ena = 1;
352 rx_ctx.tphdata_ena = 1;
353 rx_ctx.tphhead_ena = 1;
354 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);
903 /* apply default profile */
904 for (i = 0; i < num_alloc_vfs; i++) {
906 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
909 /* assign default capabilities */
910 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
911 vfs[i].spoofchk = true;
912 /* vf resources get allocated during reset */
913 i40e_reset_vf(&vfs[i], false);
915 /* enable vf vplan_qtable mappings */
916 i40e_enable_vf_mappings(&vfs[i]);
918 pf->num_alloc_vfs = num_alloc_vfs;
920 i40e_enable_pf_switch_lb(pf);
925 /* Re-enable interrupt 0. */
926 i40e_irq_dynamic_enable_icr0(pf);
932 * i40e_pci_sriov_enable
933 * @pdev: pointer to a pci_dev structure
934 * @num_vfs: number of vfs to allocate
936 * Enable or change the number of VFs
938 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
940 #ifdef CONFIG_PCI_IOV
941 struct i40e_pf *pf = pci_get_drvdata(pdev);
942 int pre_existing_vfs = pci_num_vf(pdev);
945 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
946 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
948 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
951 if (num_vfs > pf->num_req_vfs) {
956 err = i40e_alloc_vfs(pf, num_vfs);
958 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
972 * i40e_pci_sriov_configure
973 * @pdev: pointer to a pci_dev structure
974 * @num_vfs: number of vfs to allocate
976 * Enable or change the number of VFs. Called when the user updates the number
979 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
981 struct i40e_pf *pf = pci_get_drvdata(pdev);
984 return i40e_pci_sriov_enable(pdev, num_vfs);
986 if (!i40e_vfs_are_assigned(pf)) {
989 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
995 /***********************virtual channel routines******************/
998 * i40e_vc_send_msg_to_vf
999 * @vf: pointer to the vf info
1000 * @v_opcode: virtual channel opcode
1001 * @v_retval: virtual channel return value
1002 * @msg: pointer to the msg buffer
1003 * @msglen: msg length
1007 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1008 u32 v_retval, u8 *msg, u16 msglen)
1010 struct i40e_pf *pf = vf->pf;
1011 struct i40e_hw *hw = &pf->hw;
1012 int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1015 /* single place to detect unsuccessful return values */
1017 vf->num_invalid_msgs++;
1018 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
1019 v_opcode, v_retval);
1020 if (vf->num_invalid_msgs >
1021 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1022 dev_err(&pf->pdev->dev,
1023 "Number of invalid messages exceeded for VF %d\n",
1025 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1026 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1029 vf->num_valid_msgs++;
1032 aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval,
1035 dev_err(&pf->pdev->dev,
1036 "Unable to send the message to VF %d aq_err %d\n",
1037 vf->vf_id, pf->hw.aq.asq_last_status);
1045 * i40e_vc_send_resp_to_vf
1046 * @vf: pointer to the vf info
1047 * @opcode: operation code
1048 * @retval: return value
1050 * send resp msg to vf
1052 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1053 enum i40e_virtchnl_ops opcode,
1056 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1060 * i40e_vc_get_version_msg
1061 * @vf: pointer to the vf info
1063 * called from the vf to request the API version used by the PF
1065 static int i40e_vc_get_version_msg(struct i40e_vf *vf)
1067 struct i40e_virtchnl_version_info info = {
1068 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1071 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1072 I40E_SUCCESS, (u8 *)&info,
1074 i40e_virtchnl_version_info));
1078 * i40e_vc_get_vf_resources_msg
1079 * @vf: pointer to the vf info
1080 * @msg: pointer to the msg buffer
1081 * @msglen: msg length
1083 * called from the vf to request its resources
1085 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
1087 struct i40e_virtchnl_vf_resource *vfres = NULL;
1088 struct i40e_pf *pf = vf->pf;
1089 i40e_status aq_ret = 0;
1090 struct i40e_vsi *vsi;
1095 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1096 aq_ret = I40E_ERR_PARAM;
1100 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1101 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1103 vfres = kzalloc(len, GFP_KERNEL);
1105 aq_ret = I40E_ERR_NO_MEMORY;
1110 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1111 vsi = pf->vsi[vf->lan_vsi_index];
1112 if (!vsi->info.pvid)
1113 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1115 vfres->num_vsis = num_vsis;
1116 vfres->num_queue_pairs = vf->num_queue_pairs;
1117 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1118 if (vf->lan_vsi_index) {
1119 vfres->vsi_res[i].vsi_id = vf->lan_vsi_index;
1120 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1121 vfres->vsi_res[i].num_queue_pairs =
1122 pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
1123 memcpy(vfres->vsi_res[i].default_mac_addr,
1124 vf->default_lan_addr.addr, ETH_ALEN);
1127 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1130 /* send the response back to the vf */
1131 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1132 aq_ret, (u8 *)vfres, len);
1139 * i40e_vc_reset_vf_msg
1140 * @vf: pointer to the vf info
1141 * @msg: pointer to the msg buffer
1142 * @msglen: msg length
1144 * called from the vf to reset itself,
1145 * unlike other virtchnl messages, pf driver
1146 * doesn't send the response back to the vf
1148 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1150 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1151 i40e_reset_vf(vf, false);
1155 * i40e_vc_config_promiscuous_mode_msg
1156 * @vf: pointer to the vf info
1157 * @msg: pointer to the msg buffer
1158 * @msglen: msg length
1160 * called from the vf to configure the promiscuous mode of
1163 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1164 u8 *msg, u16 msglen)
1166 struct i40e_virtchnl_promisc_info *info =
1167 (struct i40e_virtchnl_promisc_info *)msg;
1168 struct i40e_pf *pf = vf->pf;
1169 struct i40e_hw *hw = &pf->hw;
1170 bool allmulti = false;
1171 bool promisc = false;
1174 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1175 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1176 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1177 (pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) {
1178 aq_ret = I40E_ERR_PARAM;
1182 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1184 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id,
1189 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1191 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id,
1195 /* send the response to the vf */
1196 return i40e_vc_send_resp_to_vf(vf,
1197 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1202 * i40e_vc_config_queues_msg
1203 * @vf: pointer to the vf info
1204 * @msg: pointer to the msg buffer
1205 * @msglen: msg length
1207 * called from the vf to configure the rx/tx
1210 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1212 struct i40e_virtchnl_vsi_queue_config_info *qci =
1213 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1214 struct i40e_virtchnl_queue_pair_info *qpi;
1215 u16 vsi_id, vsi_queue_id;
1216 i40e_status aq_ret = 0;
1219 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1220 aq_ret = I40E_ERR_PARAM;
1224 vsi_id = qci->vsi_id;
1225 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1226 aq_ret = I40E_ERR_PARAM;
1229 for (i = 0; i < qci->num_queue_pairs; i++) {
1230 qpi = &qci->qpair[i];
1231 vsi_queue_id = qpi->txq.queue_id;
1232 if ((qpi->txq.vsi_id != vsi_id) ||
1233 (qpi->rxq.vsi_id != vsi_id) ||
1234 (qpi->rxq.queue_id != vsi_queue_id) ||
1235 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1236 aq_ret = I40E_ERR_PARAM;
1240 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1242 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1244 aq_ret = I40E_ERR_PARAM;
1250 /* send the response to the vf */
1251 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1256 * i40e_vc_config_irq_map_msg
1257 * @vf: pointer to the vf info
1258 * @msg: pointer to the msg buffer
1259 * @msglen: msg length
1261 * called from the vf to configure the irq to
1264 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1266 struct i40e_virtchnl_irq_map_info *irqmap_info =
1267 (struct i40e_virtchnl_irq_map_info *)msg;
1268 struct i40e_virtchnl_vector_map *map;
1269 u16 vsi_id, vsi_queue_id, vector_id;
1270 i40e_status aq_ret = 0;
1271 unsigned long tempmap;
1274 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1275 aq_ret = I40E_ERR_PARAM;
1279 for (i = 0; i < irqmap_info->num_vectors; i++) {
1280 map = &irqmap_info->vecmap[i];
1282 vector_id = map->vector_id;
1283 vsi_id = map->vsi_id;
1284 /* validate msg params */
1285 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1286 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1287 aq_ret = I40E_ERR_PARAM;
1291 /* lookout for the invalid queue index */
1292 tempmap = map->rxq_map;
1293 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1294 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1296 aq_ret = I40E_ERR_PARAM;
1301 tempmap = map->txq_map;
1302 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1303 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1305 aq_ret = I40E_ERR_PARAM;
1310 i40e_config_irq_link_list(vf, vsi_id, map);
1313 /* send the response to the vf */
1314 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1319 * i40e_vc_enable_queues_msg
1320 * @vf: pointer to the vf info
1321 * @msg: pointer to the msg buffer
1322 * @msglen: msg length
1324 * called from the vf to enable all or specific queue(s)
1326 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1328 struct i40e_virtchnl_queue_select *vqs =
1329 (struct i40e_virtchnl_queue_select *)msg;
1330 struct i40e_pf *pf = vf->pf;
1331 u16 vsi_id = vqs->vsi_id;
1332 i40e_status aq_ret = 0;
1334 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1335 aq_ret = I40E_ERR_PARAM;
1339 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1340 aq_ret = I40E_ERR_PARAM;
1344 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1345 aq_ret = I40E_ERR_PARAM;
1348 if (i40e_vsi_control_rings(pf->vsi[vsi_id], true))
1349 aq_ret = I40E_ERR_TIMEOUT;
1351 /* send the response to the vf */
1352 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1357 * i40e_vc_disable_queues_msg
1358 * @vf: pointer to the vf info
1359 * @msg: pointer to the msg buffer
1360 * @msglen: msg length
1362 * called from the vf to disable all or specific
1365 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1367 struct i40e_virtchnl_queue_select *vqs =
1368 (struct i40e_virtchnl_queue_select *)msg;
1369 struct i40e_pf *pf = vf->pf;
1370 u16 vsi_id = vqs->vsi_id;
1371 i40e_status aq_ret = 0;
1373 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1374 aq_ret = I40E_ERR_PARAM;
1378 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1379 aq_ret = I40E_ERR_PARAM;
1383 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1384 aq_ret = I40E_ERR_PARAM;
1387 if (i40e_vsi_control_rings(pf->vsi[vsi_id], false))
1388 aq_ret = I40E_ERR_TIMEOUT;
1391 /* send the response to the vf */
1392 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1397 * i40e_vc_get_stats_msg
1398 * @vf: pointer to the vf info
1399 * @msg: pointer to the msg buffer
1400 * @msglen: msg length
1402 * called from the vf to get vsi stats
1404 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1406 struct i40e_virtchnl_queue_select *vqs =
1407 (struct i40e_virtchnl_queue_select *)msg;
1408 struct i40e_pf *pf = vf->pf;
1409 struct i40e_eth_stats stats;
1410 i40e_status aq_ret = 0;
1411 struct i40e_vsi *vsi;
1413 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1415 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1416 aq_ret = I40E_ERR_PARAM;
1420 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1421 aq_ret = I40E_ERR_PARAM;
1425 vsi = pf->vsi[vqs->vsi_id];
1427 aq_ret = I40E_ERR_PARAM;
1430 i40e_update_eth_stats(vsi);
1431 stats = vsi->eth_stats;
1434 /* send the response back to the vf */
1435 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1436 (u8 *)&stats, sizeof(stats));
1440 * i40e_check_vf_permission
1441 * @vf: pointer to the vf info
1442 * @macaddr: pointer to the MAC Address being checked
1444 * Check if the VF has permission to add or delete unicast MAC address
1445 * filters and return error code -EPERM if not. Then check if the
1446 * address filter requested is broadcast or zero and if so return
1447 * an invalid MAC address error code.
1449 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1451 struct i40e_pf *pf = vf->pf;
1454 if (is_broadcast_ether_addr(macaddr) ||
1455 is_zero_ether_addr(macaddr)) {
1456 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1457 ret = I40E_ERR_INVALID_MAC_ADDR;
1458 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1459 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1460 /* If the host VMM administrator has set the VF MAC address
1461 * administratively via the ndo_set_vf_mac command then deny
1462 * permission to the VF to add or delete unicast MAC addresses.
1463 * The VF may request to set the MAC address filter already
1464 * assigned to it so do not return an error in that case.
1466 dev_err(&pf->pdev->dev,
1467 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1474 * i40e_vc_add_mac_addr_msg
1475 * @vf: pointer to the vf info
1476 * @msg: pointer to the msg buffer
1477 * @msglen: msg length
1479 * add guest mac address filter
1481 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1483 struct i40e_virtchnl_ether_addr_list *al =
1484 (struct i40e_virtchnl_ether_addr_list *)msg;
1485 struct i40e_pf *pf = vf->pf;
1486 struct i40e_vsi *vsi = NULL;
1487 u16 vsi_id = al->vsi_id;
1488 i40e_status ret = 0;
1491 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1492 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1493 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1494 ret = I40E_ERR_PARAM;
1498 for (i = 0; i < al->num_elements; i++) {
1499 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1503 vsi = pf->vsi[vsi_id];
1505 /* add new addresses to the list */
1506 for (i = 0; i < al->num_elements; i++) {
1507 struct i40e_mac_filter *f;
1509 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1511 if (i40e_is_vsi_in_vlan(vsi))
1512 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1515 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1520 dev_err(&pf->pdev->dev,
1521 "Unable to add VF MAC filter\n");
1522 ret = I40E_ERR_PARAM;
1527 /* program the updated filter list */
1528 if (i40e_sync_vsi_filters(vsi))
1529 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1532 /* send the response to the vf */
1533 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1538 * i40e_vc_del_mac_addr_msg
1539 * @vf: pointer to the vf info
1540 * @msg: pointer to the msg buffer
1541 * @msglen: msg length
1543 * remove guest mac address filter
1545 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1547 struct i40e_virtchnl_ether_addr_list *al =
1548 (struct i40e_virtchnl_ether_addr_list *)msg;
1549 struct i40e_pf *pf = vf->pf;
1550 struct i40e_vsi *vsi = NULL;
1551 u16 vsi_id = al->vsi_id;
1552 i40e_status ret = 0;
1555 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1556 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1557 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1558 ret = I40E_ERR_PARAM;
1562 for (i = 0; i < al->num_elements; i++) {
1563 if (is_broadcast_ether_addr(al->list[i].addr) ||
1564 is_zero_ether_addr(al->list[i].addr)) {
1565 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1567 ret = I40E_ERR_INVALID_MAC_ADDR;
1571 vsi = pf->vsi[vsi_id];
1573 /* delete addresses from the list */
1574 for (i = 0; i < al->num_elements; i++)
1575 i40e_del_filter(vsi, al->list[i].addr,
1576 I40E_VLAN_ANY, true, false);
1578 /* program the updated filter list */
1579 if (i40e_sync_vsi_filters(vsi))
1580 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1583 /* send the response to the vf */
1584 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1589 * i40e_vc_add_vlan_msg
1590 * @vf: pointer to the vf info
1591 * @msg: pointer to the msg buffer
1592 * @msglen: msg length
1594 * program guest vlan id
1596 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1598 struct i40e_virtchnl_vlan_filter_list *vfl =
1599 (struct i40e_virtchnl_vlan_filter_list *)msg;
1600 struct i40e_pf *pf = vf->pf;
1601 struct i40e_vsi *vsi = NULL;
1602 u16 vsi_id = vfl->vsi_id;
1603 i40e_status aq_ret = 0;
1606 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1607 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1608 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1609 aq_ret = I40E_ERR_PARAM;
1613 for (i = 0; i < vfl->num_elements; i++) {
1614 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1615 aq_ret = I40E_ERR_PARAM;
1616 dev_err(&pf->pdev->dev,
1617 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1621 vsi = pf->vsi[vsi_id];
1622 if (vsi->info.pvid) {
1623 aq_ret = I40E_ERR_PARAM;
1627 i40e_vlan_stripping_enable(vsi);
1628 for (i = 0; i < vfl->num_elements; i++) {
1629 /* add new VLAN filter */
1630 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1632 dev_err(&pf->pdev->dev,
1633 "Unable to add VF vlan filter %d, error %d\n",
1634 vfl->vlan_id[i], ret);
1638 /* send the response to the vf */
1639 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1643 * i40e_vc_remove_vlan_msg
1644 * @vf: pointer to the vf info
1645 * @msg: pointer to the msg buffer
1646 * @msglen: msg length
1648 * remove programmed guest vlan id
1650 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1652 struct i40e_virtchnl_vlan_filter_list *vfl =
1653 (struct i40e_virtchnl_vlan_filter_list *)msg;
1654 struct i40e_pf *pf = vf->pf;
1655 struct i40e_vsi *vsi = NULL;
1656 u16 vsi_id = vfl->vsi_id;
1657 i40e_status aq_ret = 0;
1660 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1661 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1662 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1663 aq_ret = I40E_ERR_PARAM;
1667 for (i = 0; i < vfl->num_elements; i++) {
1668 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1669 aq_ret = I40E_ERR_PARAM;
1674 vsi = pf->vsi[vsi_id];
1675 if (vsi->info.pvid) {
1676 aq_ret = I40E_ERR_PARAM;
1680 for (i = 0; i < vfl->num_elements; i++) {
1681 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1683 dev_err(&pf->pdev->dev,
1684 "Unable to delete VF vlan filter %d, error %d\n",
1685 vfl->vlan_id[i], ret);
1689 /* send the response to the vf */
1690 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1694 * i40e_vc_validate_vf_msg
1695 * @vf: pointer to the vf info
1696 * @msg: pointer to the msg buffer
1697 * @msglen: msg length
1698 * @msghndl: msg handle
1702 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1703 u32 v_retval, u8 *msg, u16 msglen)
1705 bool err_msg_format = false;
1708 /* Check if VF is disabled. */
1709 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1710 return I40E_ERR_PARAM;
1712 /* Validate message length. */
1714 case I40E_VIRTCHNL_OP_VERSION:
1715 valid_len = sizeof(struct i40e_virtchnl_version_info);
1717 case I40E_VIRTCHNL_OP_RESET_VF:
1718 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1721 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1722 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1724 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1725 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1727 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1728 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1729 if (msglen >= valid_len) {
1730 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1731 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1732 valid_len += (vqc->num_queue_pairs *
1734 i40e_virtchnl_queue_pair_info));
1735 if (vqc->num_queue_pairs == 0)
1736 err_msg_format = true;
1739 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1740 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1741 if (msglen >= valid_len) {
1742 struct i40e_virtchnl_irq_map_info *vimi =
1743 (struct i40e_virtchnl_irq_map_info *)msg;
1744 valid_len += (vimi->num_vectors *
1745 sizeof(struct i40e_virtchnl_vector_map));
1746 if (vimi->num_vectors == 0)
1747 err_msg_format = true;
1750 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1751 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1752 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1754 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1755 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1756 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1757 if (msglen >= valid_len) {
1758 struct i40e_virtchnl_ether_addr_list *veal =
1759 (struct i40e_virtchnl_ether_addr_list *)msg;
1760 valid_len += veal->num_elements *
1761 sizeof(struct i40e_virtchnl_ether_addr);
1762 if (veal->num_elements == 0)
1763 err_msg_format = true;
1766 case I40E_VIRTCHNL_OP_ADD_VLAN:
1767 case I40E_VIRTCHNL_OP_DEL_VLAN:
1768 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1769 if (msglen >= valid_len) {
1770 struct i40e_virtchnl_vlan_filter_list *vfl =
1771 (struct i40e_virtchnl_vlan_filter_list *)msg;
1772 valid_len += vfl->num_elements * sizeof(u16);
1773 if (vfl->num_elements == 0)
1774 err_msg_format = true;
1777 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1778 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1780 case I40E_VIRTCHNL_OP_GET_STATS:
1781 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1783 /* These are always errors coming from the VF. */
1784 case I40E_VIRTCHNL_OP_EVENT:
1785 case I40E_VIRTCHNL_OP_UNKNOWN:
1790 /* few more checks */
1791 if ((valid_len != msglen) || (err_msg_format)) {
1792 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1800 * i40e_vc_process_vf_msg
1801 * @pf: pointer to the pf structure
1802 * @vf_id: source vf id
1803 * @msg: pointer to the msg buffer
1804 * @msglen: msg length
1805 * @msghndl: msg handle
1807 * called from the common aeq/arq handler to
1808 * process request from vf
1810 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1811 u32 v_retval, u8 *msg, u16 msglen)
1813 struct i40e_hw *hw = &pf->hw;
1814 unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1818 pf->vf_aq_requests++;
1819 if (local_vf_id >= pf->num_alloc_vfs)
1821 vf = &(pf->vf[local_vf_id]);
1822 /* perform basic checks on the msg */
1823 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1826 dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n",
1827 local_vf_id, v_opcode, msglen);
1832 case I40E_VIRTCHNL_OP_VERSION:
1833 ret = i40e_vc_get_version_msg(vf);
1835 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1836 ret = i40e_vc_get_vf_resources_msg(vf);
1838 case I40E_VIRTCHNL_OP_RESET_VF:
1839 i40e_vc_reset_vf_msg(vf);
1842 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1843 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1845 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1846 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1848 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1849 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1851 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1852 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1854 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1855 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1857 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1858 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1860 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1861 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1863 case I40E_VIRTCHNL_OP_ADD_VLAN:
1864 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1866 case I40E_VIRTCHNL_OP_DEL_VLAN:
1867 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1869 case I40E_VIRTCHNL_OP_GET_STATS:
1870 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1872 case I40E_VIRTCHNL_OP_UNKNOWN:
1874 dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n",
1875 v_opcode, local_vf_id);
1876 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1877 I40E_ERR_NOT_IMPLEMENTED);
1885 * i40e_vc_process_vflr_event
1886 * @pf: pointer to the pf structure
1888 * called from the vlfr irq handler to
1889 * free up vf resources and state variables
1891 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
1893 u32 reg, reg_idx, bit_idx, vf_id;
1894 struct i40e_hw *hw = &pf->hw;
1897 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
1900 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
1901 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
1902 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1903 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1904 /* read GLGEN_VFLRSTAT register to find out the flr vfs */
1905 vf = &pf->vf[vf_id];
1906 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
1907 if (reg & (1 << bit_idx)) {
1908 /* clear the bit in GLGEN_VFLRSTAT */
1909 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
1911 if (!test_bit(__I40E_DOWN, &pf->state))
1912 i40e_reset_vf(vf, true);
1916 /* re-enable vflr interrupt cause */
1917 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1918 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
1919 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1926 * i40e_vc_vf_broadcast
1927 * @pf: pointer to the pf structure
1928 * @opcode: operation code
1929 * @retval: return value
1930 * @msg: pointer to the msg buffer
1931 * @msglen: msg length
1933 * send a message to all VFs on a given PF
1935 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
1936 enum i40e_virtchnl_ops v_opcode,
1937 i40e_status v_retval, u8 *msg,
1940 struct i40e_hw *hw = &pf->hw;
1941 struct i40e_vf *vf = pf->vf;
1944 for (i = 0; i < pf->num_alloc_vfs; i++) {
1945 /* Ignore return value on purpose - a given VF may fail, but
1946 * we need to keep going and send to all of them
1948 i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
1955 * i40e_vc_notify_link_state
1956 * @pf: pointer to the pf structure
1958 * send a link status message to all VFs on a given PF
1960 void i40e_vc_notify_link_state(struct i40e_pf *pf)
1962 struct i40e_virtchnl_pf_event pfe;
1963 struct i40e_hw *hw = &pf->hw;
1964 struct i40e_vf *vf = pf->vf;
1965 struct i40e_link_status *ls = &pf->hw.phy.link_info;
1968 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
1969 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
1970 for (i = 0; i < pf->num_alloc_vfs; i++) {
1971 if (vf->link_forced) {
1972 pfe.event_data.link_event.link_status = vf->link_up;
1973 pfe.event_data.link_event.link_speed =
1974 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
1976 pfe.event_data.link_event.link_status =
1977 ls->link_info & I40E_AQ_LINK_UP;
1978 pfe.event_data.link_event.link_speed = ls->link_speed;
1980 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
1981 0, (u8 *)&pfe, sizeof(pfe),
1988 * i40e_vc_notify_reset
1989 * @pf: pointer to the pf structure
1991 * indicate a pending reset to all VFs on a given PF
1993 void i40e_vc_notify_reset(struct i40e_pf *pf)
1995 struct i40e_virtchnl_pf_event pfe;
1997 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
1998 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
1999 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
2000 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
2004 * i40e_vc_notify_vf_reset
2005 * @vf: pointer to the vf structure
2007 * indicate a pending reset to the given VF
2009 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
2011 struct i40e_virtchnl_pf_event pfe;
2013 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
2014 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
2015 i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2016 I40E_SUCCESS, (u8 *)&pfe,
2017 sizeof(struct i40e_virtchnl_pf_event), NULL);
2021 * i40e_ndo_set_vf_mac
2022 * @netdev: network interface device structure
2023 * @vf_id: vf identifier
2026 * program vf mac address
2028 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2030 struct i40e_netdev_priv *np = netdev_priv(netdev);
2031 struct i40e_vsi *vsi = np->vsi;
2032 struct i40e_pf *pf = vsi->back;
2033 struct i40e_mac_filter *f;
2037 /* validate the request */
2038 if (vf_id >= pf->num_alloc_vfs) {
2039 dev_err(&pf->pdev->dev,
2040 "Invalid VF Identifier %d\n", vf_id);
2045 vf = &(pf->vf[vf_id]);
2046 vsi = pf->vsi[vf->lan_vsi_index];
2047 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2048 dev_err(&pf->pdev->dev,
2049 "Uninitialized VF %d\n", vf_id);
2054 if (!is_valid_ether_addr(mac)) {
2055 dev_err(&pf->pdev->dev,
2056 "Invalid VF ethernet address\n");
2061 /* delete the temporary mac address */
2062 i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id,
2065 /* Delete all the filters for this VSI - we're going to kill it
2068 list_for_each_entry(f, &vsi->mac_filter_list, list)
2069 i40e_del_filter(vsi, f->macaddr, f->vlan, true, false);
2071 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2072 /* program mac filter */
2073 if (i40e_sync_vsi_filters(vsi)) {
2074 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2078 ether_addr_copy(vf->default_lan_addr.addr, mac);
2079 vf->pf_set_mac = true;
2080 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2088 * i40e_ndo_set_vf_port_vlan
2089 * @netdev: network interface device structure
2090 * @vf_id: vf identifier
2091 * @vlan_id: mac address
2092 * @qos: priority setting
2094 * program vf vlan id and/or qos
2096 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2097 int vf_id, u16 vlan_id, u8 qos)
2099 struct i40e_netdev_priv *np = netdev_priv(netdev);
2100 struct i40e_pf *pf = np->vsi->back;
2101 struct i40e_vsi *vsi;
2105 /* validate the request */
2106 if (vf_id >= pf->num_alloc_vfs) {
2107 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2112 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2113 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2118 vf = &(pf->vf[vf_id]);
2119 vsi = pf->vsi[vf->lan_vsi_index];
2120 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2121 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2126 if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) {
2127 dev_err(&pf->pdev->dev,
2128 "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",
2130 /* Administrator Error - knock the VF offline until he does
2131 * the right thing by reconfiguring his network correctly
2132 * and then reloading the VF driver.
2134 i40e_vc_disable_vf(pf, vf);
2137 /* Check for condition where there was already a port VLAN ID
2138 * filter set and now it is being deleted by setting it to zero.
2139 * Additionally check for the condition where there was a port
2140 * VLAN but now there is a new and different port VLAN being set.
2141 * Before deleting all the old VLAN filters we must add new ones
2142 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2143 * MAC addresses deleted.
2145 if ((!(vlan_id || qos) ||
2146 (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) &&
2148 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2150 if (vsi->info.pvid) {
2152 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2155 dev_info(&vsi->back->pdev->dev,
2156 "remove VLAN failed, ret=%d, aq_err=%d\n",
2157 ret, pf->hw.aq.asq_last_status);
2161 ret = i40e_vsi_add_pvid(vsi,
2162 vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
2164 i40e_vsi_remove_pvid(vsi);
2167 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2168 vlan_id, qos, vf_id);
2170 /* add new VLAN filter */
2171 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2173 dev_info(&vsi->back->pdev->dev,
2174 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2175 vsi->back->hw.aq.asq_last_status);
2178 /* Kill non-vlan MAC filters - ignore error return since
2179 * there might not be any non-vlan MAC filters.
2181 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2185 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2188 /* The Port VLAN needs to be saved across resets the same as the
2189 * default LAN MAC address.
2191 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2198 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2199 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
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 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2261 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2265 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2266 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2267 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2268 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2270 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2275 vf->tx_rate = max_tx_rate;
2281 * i40e_ndo_get_vf_config
2282 * @netdev: network interface device structure
2283 * @vf_id: vf identifier
2284 * @ivi: vf configuration structure
2286 * return vf configuration
2288 int i40e_ndo_get_vf_config(struct net_device *netdev,
2289 int vf_id, struct ifla_vf_info *ivi)
2291 struct i40e_netdev_priv *np = netdev_priv(netdev);
2292 struct i40e_vsi *vsi = np->vsi;
2293 struct i40e_pf *pf = vsi->back;
2297 /* validate the request */
2298 if (vf_id >= pf->num_alloc_vfs) {
2299 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2304 vf = &(pf->vf[vf_id]);
2305 /* first vsi is always the LAN vsi */
2306 vsi = pf->vsi[vf->lan_vsi_index];
2307 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2308 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2315 memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN);
2317 ivi->max_tx_rate = vf->tx_rate;
2318 ivi->min_tx_rate = 0;
2319 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2320 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2321 I40E_VLAN_PRIORITY_SHIFT;
2322 if (vf->link_forced == false)
2323 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2324 else if (vf->link_up == true)
2325 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2327 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2328 ivi->spoofchk = vf->spoofchk;
2336 * i40e_ndo_set_vf_link_state
2337 * @netdev: network interface device structure
2338 * @vf_id: vf identifier
2339 * @link: required link state
2341 * Set the link state of a specified VF, regardless of physical link state
2343 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2345 struct i40e_netdev_priv *np = netdev_priv(netdev);
2346 struct i40e_pf *pf = np->vsi->back;
2347 struct i40e_virtchnl_pf_event pfe;
2348 struct i40e_hw *hw = &pf->hw;
2352 /* validate the request */
2353 if (vf_id >= pf->num_alloc_vfs) {
2354 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2359 vf = &pf->vf[vf_id];
2361 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2362 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2365 case IFLA_VF_LINK_STATE_AUTO:
2366 vf->link_forced = false;
2367 pfe.event_data.link_event.link_status =
2368 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2369 pfe.event_data.link_event.link_speed =
2370 pf->hw.phy.link_info.link_speed;
2372 case IFLA_VF_LINK_STATE_ENABLE:
2373 vf->link_forced = true;
2375 pfe.event_data.link_event.link_status = true;
2376 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2378 case IFLA_VF_LINK_STATE_DISABLE:
2379 vf->link_forced = true;
2380 vf->link_up = false;
2381 pfe.event_data.link_event.link_status = false;
2382 pfe.event_data.link_event.link_speed = 0;
2388 /* Notify the VF of its new link state */
2389 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2390 0, (u8 *)&pfe, sizeof(pfe), NULL);
2397 * i40e_ndo_set_vf_spoofchk
2398 * @netdev: network interface device structure
2399 * @vf_id: vf identifier
2400 * @enable: flag to enable or disable feature
2402 * Enable or disable VF spoof checking
2404 int i40e_ndo_set_vf_spoofck(struct net_device *netdev, int vf_id, bool enable)
2406 struct i40e_netdev_priv *np = netdev_priv(netdev);
2407 struct i40e_vsi *vsi = np->vsi;
2408 struct i40e_pf *pf = vsi->back;
2409 struct i40e_vsi_context ctxt;
2410 struct i40e_hw *hw = &pf->hw;
2414 /* validate the request */
2415 if (vf_id >= pf->num_alloc_vfs) {
2416 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2421 vf = &(pf->vf[vf_id]);
2423 if (enable == vf->spoofchk)
2426 vf->spoofchk = enable;
2427 memset(&ctxt, 0, sizeof(ctxt));
2428 ctxt.seid = pf->vsi[vf->lan_vsi_index]->seid;
2429 ctxt.pf_num = pf->hw.pf_id;
2430 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
2432 ctxt.info.sec_flags |= I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK;
2433 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
2435 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",