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*****************************/
32 * i40e_vc_isvalid_vsi_id
33 * @vf: pointer to the vf info
34 * @vsi_id: vf relative vsi id
36 * check for the valid vsi id
38 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u8 vsi_id)
40 struct i40e_pf *pf = vf->pf;
42 return pf->vsi[vsi_id]->vf_id == vf->vf_id;
46 * i40e_vc_isvalid_queue_id
47 * @vf: pointer to the vf info
49 * @qid: vsi relative queue id
51 * check for the valid queue id
53 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u8 vsi_id,
56 struct i40e_pf *pf = vf->pf;
58 return qid < pf->vsi[vsi_id]->num_queue_pairs;
62 * i40e_vc_isvalid_vector_id
63 * @vf: pointer to the vf info
64 * @vector_id: vf relative vector id
66 * check for the valid vector id
68 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
70 struct i40e_pf *pf = vf->pf;
72 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
75 /***********************vf resource mgmt routines*****************/
78 * i40e_vc_get_pf_queue_id
79 * @vf: pointer to the vf info
80 * @vsi_idx: index of VSI in PF struct
81 * @vsi_queue_id: vsi relative queue id
83 * return pf relative queue id
85 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u8 vsi_idx,
88 struct i40e_pf *pf = vf->pf;
89 struct i40e_vsi *vsi = pf->vsi[vsi_idx];
90 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
92 if (le16_to_cpu(vsi->info.mapping_flags) &
93 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
95 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
97 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
104 * i40e_config_irq_link_list
105 * @vf: pointer to the vf info
106 * @vsi_idx: index of VSI in PF struct
107 * @vecmap: irq map info
109 * configure irq link list from the map
111 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx,
112 struct i40e_virtchnl_vector_map *vecmap)
114 unsigned long linklistmap = 0, tempmap;
115 struct i40e_pf *pf = vf->pf;
116 struct i40e_hw *hw = &pf->hw;
117 u16 vsi_queue_id, pf_queue_id;
118 enum i40e_queue_type qtype;
119 u16 next_q, vector_id;
123 vector_id = vecmap->vector_id;
126 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
128 reg_idx = I40E_VPINT_LNKLSTN(
129 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
132 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
133 /* Special case - No queues mapped on this vector */
134 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
137 tempmap = vecmap->rxq_map;
138 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
140 (I40E_VIRTCHNL_SUPPORTED_QTYPES *
144 tempmap = vecmap->txq_map;
145 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
147 (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id
151 next_q = find_first_bit(&linklistmap,
153 I40E_VIRTCHNL_SUPPORTED_QTYPES));
154 vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES;
155 qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES;
156 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
157 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
159 wr32(hw, reg_idx, reg);
161 while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
163 case I40E_QUEUE_TYPE_RX:
164 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
165 itr_idx = vecmap->rxitr_idx;
167 case I40E_QUEUE_TYPE_TX:
168 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
169 itr_idx = vecmap->txitr_idx;
175 next_q = find_next_bit(&linklistmap,
177 I40E_VIRTCHNL_SUPPORTED_QTYPES),
180 (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
181 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
182 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
183 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx,
186 pf_queue_id = I40E_QUEUE_END_OF_LIST;
190 /* format for the RQCTL & TQCTL regs is same */
192 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
193 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
194 (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
195 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
196 wr32(hw, reg_idx, reg);
204 * i40e_config_vsi_tx_queue
205 * @vf: pointer to the vf info
206 * @vsi_idx: index of VSI in PF struct
207 * @vsi_queue_id: vsi relative queue index
208 * @info: config. info
212 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx,
214 struct i40e_virtchnl_txq_info *info)
216 struct i40e_pf *pf = vf->pf;
217 struct i40e_hw *hw = &pf->hw;
218 struct i40e_hmc_obj_txq tx_ctx;
223 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
225 /* clear the context structure first */
226 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
228 /* only set the required fields */
229 tx_ctx.base = info->dma_ring_addr / 128;
230 tx_ctx.qlen = info->ring_len;
231 tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]);
232 tx_ctx.rdylist_act = 0;
234 /* clear the context in the HMC */
235 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
237 dev_err(&pf->pdev->dev,
238 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
244 /* set the context in the HMC */
245 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
247 dev_err(&pf->pdev->dev,
248 "Failed to set VF LAN Tx queue context %d error: %d\n",
254 /* associate this queue with the PCI VF function */
255 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
256 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
257 & I40E_QTX_CTL_PF_INDX_MASK);
258 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
259 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
260 & I40E_QTX_CTL_VFVM_INDX_MASK);
261 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
269 * i40e_config_vsi_rx_queue
270 * @vf: pointer to the vf info
271 * @vsi_idx: index of VSI in PF struct
272 * @vsi_queue_id: vsi relative queue index
273 * @info: config. info
277 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx,
279 struct i40e_virtchnl_rxq_info *info)
281 struct i40e_pf *pf = vf->pf;
282 struct i40e_hw *hw = &pf->hw;
283 struct i40e_hmc_obj_rxq rx_ctx;
287 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id);
289 /* clear the context structure first */
290 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
292 /* only set the required fields */
293 rx_ctx.base = info->dma_ring_addr / 128;
294 rx_ctx.qlen = info->ring_len;
296 if (info->splithdr_enabled) {
297 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
299 I40E_RX_SPLIT_TCP_UDP |
301 /* header length validation */
302 if (info->hdr_size > ((2 * 1024) - 64)) {
306 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
308 /* set splitalways mode 10b */
312 /* databuffer length validation */
313 if (info->databuffer_size > ((16 * 1024) - 128)) {
317 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
319 /* max pkt. length validation */
320 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
324 rx_ctx.rxmax = info->max_pkt_size;
326 /* enable 32bytes desc always */
330 rx_ctx.tphrdesc_ena = 1;
331 rx_ctx.tphwdesc_ena = 1;
332 rx_ctx.tphdata_ena = 1;
333 rx_ctx.tphhead_ena = 1;
334 rx_ctx.lrxqthresh = 2;
337 /* clear the context in the HMC */
338 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
340 dev_err(&pf->pdev->dev,
341 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
347 /* set the context in the HMC */
348 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
350 dev_err(&pf->pdev->dev,
351 "Failed to set VF LAN Rx queue context %d error: %d\n",
363 * @vf: pointer to the vf info
364 * @type: type of VSI to allocate
366 * alloc vf vsi context & resources
368 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
370 struct i40e_mac_filter *f = NULL;
371 struct i40e_pf *pf = vf->pf;
372 struct i40e_vsi *vsi;
375 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
378 dev_err(&pf->pdev->dev,
379 "add vsi failed for vf %d, aq_err %d\n",
380 vf->vf_id, pf->hw.aq.asq_last_status);
382 goto error_alloc_vsi_res;
384 if (type == I40E_VSI_SRIOV) {
385 u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
386 vf->lan_vsi_index = vsi->idx;
387 vf->lan_vsi_id = vsi->id;
388 dev_info(&pf->pdev->dev,
389 "VF %d assigned LAN VSI index %d, VSI id %d\n",
390 vf->vf_id, vsi->idx, vsi->id);
391 /* If the port VLAN has been configured and then the
392 * VF driver was removed then the VSI port VLAN
393 * configuration was destroyed. Check if there is
394 * a port VLAN and restore the VSI configuration if
397 if (vf->port_vlan_id)
398 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
399 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
400 vf->port_vlan_id, true, false);
402 dev_info(&pf->pdev->dev,
403 "Could not allocate VF MAC addr\n");
404 f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id,
407 dev_info(&pf->pdev->dev,
408 "Could not allocate VF broadcast filter\n");
411 /* program mac filter */
412 ret = i40e_sync_vsi_filters(vsi);
414 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
421 * i40e_enable_vf_mappings
422 * @vf: pointer to the vf info
426 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
428 struct i40e_pf *pf = vf->pf;
429 struct i40e_hw *hw = &pf->hw;
430 u32 reg, total_queue_pairs = 0;
433 /* Tell the hardware we're using noncontiguous mapping. HW requires
434 * that VF queues be mapped using this method, even when they are
435 * contiguous in real life
437 wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
438 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
440 /* enable VF vplan_qtable mappings */
441 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
442 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
444 /* map PF queues to VF queues */
445 for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) {
446 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j);
447 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
448 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
452 /* map PF queues to VSI */
453 for (j = 0; j < 7; j++) {
454 if (j * 2 >= pf->vsi[vf->lan_vsi_index]->num_queue_pairs) {
455 reg = 0x07FF07FF; /* unused */
457 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
460 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index,
464 wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg);
471 * i40e_disable_vf_mappings
472 * @vf: pointer to the vf info
474 * disable vf mappings
476 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
478 struct i40e_pf *pf = vf->pf;
479 struct i40e_hw *hw = &pf->hw;
482 /* disable qp mappings */
483 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
484 for (i = 0; i < I40E_MAX_VSI_QP; i++)
485 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
486 I40E_QUEUE_END_OF_LIST);
492 * @vf: pointer to the vf info
496 static void i40e_free_vf_res(struct i40e_vf *vf)
498 struct i40e_pf *pf = vf->pf;
499 struct i40e_hw *hw = &pf->hw;
503 /* free vsi & disconnect it from the parent uplink */
504 if (vf->lan_vsi_index) {
505 i40e_vsi_release(pf->vsi[vf->lan_vsi_index]);
506 vf->lan_vsi_index = 0;
509 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
511 /* disable interrupts so the VF starts in a known state */
512 for (i = 0; i < msix_vf; i++) {
513 /* format is same for both registers */
515 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
517 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
520 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
524 /* clear the irq settings */
525 for (i = 0; i < msix_vf; i++) {
526 /* format is same for both registers */
528 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
530 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
533 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
534 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
535 wr32(hw, reg_idx, reg);
538 /* reset some of the state varibles keeping
539 * track of the resources
541 vf->num_queue_pairs = 0;
547 * @vf: pointer to the vf info
549 * allocate vf resources
551 static int i40e_alloc_vf_res(struct i40e_vf *vf)
553 struct i40e_pf *pf = vf->pf;
554 int total_queue_pairs = 0;
557 /* allocate hw vsi context & associated resources */
558 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
561 total_queue_pairs += pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
562 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
564 /* store the total qps number for the runtime
567 vf->num_queue_pairs = total_queue_pairs;
569 /* vf is now completely initialized */
570 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
574 i40e_free_vf_res(vf);
579 #define VF_DEVICE_STATUS 0xAA
580 #define VF_TRANS_PENDING_MASK 0x20
582 * i40e_quiesce_vf_pci
583 * @vf: pointer to the vf structure
585 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
586 * if the transactions never clear.
588 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
590 struct i40e_pf *pf = vf->pf;
591 struct i40e_hw *hw = &pf->hw;
595 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
597 wr32(hw, I40E_PF_PCI_CIAA,
598 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
599 for (i = 0; i < 100; i++) {
600 reg = rd32(hw, I40E_PF_PCI_CIAD);
601 if ((reg & VF_TRANS_PENDING_MASK) == 0)
610 * @vf: pointer to the vf structure
611 * @flr: VFLR was issued or not
615 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
617 struct i40e_pf *pf = vf->pf;
618 struct i40e_hw *hw = &pf->hw;
624 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
626 /* In the case of a VFLR, the HW has already reset the VF and we
627 * just need to clean up, so don't hit the VFRTRIG register.
630 /* reset vf using VPGEN_VFRTRIG reg */
631 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
632 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
633 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
637 if (i40e_quiesce_vf_pci(vf))
638 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
641 /* poll VPGEN_VFRSTAT reg to make sure
642 * that reset is complete
644 for (i = 0; i < 100; i++) {
645 /* vf reset requires driver to first reset the
646 * vf & than poll the status register to make sure
647 * that the requested op was completed
651 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
652 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
659 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
661 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
662 /* clear the reset bit in the VPGEN_VFRTRIG reg */
663 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
664 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
665 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
667 /* On initial reset, we won't have any queues */
668 if (vf->lan_vsi_index == 0)
671 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_index], false);
673 /* reallocate vf resources to reset the VSI state */
674 i40e_free_vf_res(vf);
675 i40e_alloc_vf_res(vf);
676 i40e_enable_vf_mappings(vf);
677 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
679 /* tell the VF the reset is done */
680 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
685 * i40e_vfs_are_assigned
686 * @pf: pointer to the pf structure
688 * Determine if any VFs are assigned to VMs
690 static bool i40e_vfs_are_assigned(struct i40e_pf *pf)
692 struct pci_dev *pdev = pf->pdev;
693 struct pci_dev *vfdev;
695 /* loop through all the VFs to see if we own any that are assigned */
696 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_DEV_ID_VF , NULL);
698 /* if we don't own it we don't care */
699 if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) {
700 /* if it is assigned we cannot release it */
701 if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
705 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL,
712 #ifdef CONFIG_PCI_IOV
715 * i40e_enable_pf_switch_lb
716 * @pf: pointer to the pf structure
718 * enable switch loop back or die - no point in a return value
720 static void i40e_enable_pf_switch_lb(struct i40e_pf *pf)
722 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
723 struct i40e_vsi_context ctxt;
726 ctxt.seid = pf->main_vsi_seid;
727 ctxt.pf_num = pf->hw.pf_id;
729 aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
731 dev_info(&pf->pdev->dev,
732 "%s couldn't get pf vsi config, err %d, aq_err %d\n",
733 __func__, aq_ret, pf->hw.aq.asq_last_status);
736 ctxt.flags = I40E_AQ_VSI_TYPE_PF;
737 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID);
738 ctxt.info.switch_id |= cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
740 aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
742 dev_info(&pf->pdev->dev,
743 "%s: update vsi switch failed, aq_err=%d\n",
744 __func__, vsi->back->hw.aq.asq_last_status);
750 * i40e_disable_pf_switch_lb
751 * @pf: pointer to the pf structure
753 * disable switch loop back or die - no point in a return value
755 static void i40e_disable_pf_switch_lb(struct i40e_pf *pf)
757 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
758 struct i40e_vsi_context ctxt;
761 ctxt.seid = pf->main_vsi_seid;
762 ctxt.pf_num = pf->hw.pf_id;
764 aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
766 dev_info(&pf->pdev->dev,
767 "%s couldn't get pf vsi config, err %d, aq_err %d\n",
768 __func__, aq_ret, pf->hw.aq.asq_last_status);
771 ctxt.flags = I40E_AQ_VSI_TYPE_PF;
772 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID);
773 ctxt.info.switch_id &= ~cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB);
775 aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
777 dev_info(&pf->pdev->dev,
778 "%s: update vsi switch failed, aq_err=%d\n",
779 __func__, vsi->back->hw.aq.asq_last_status);
785 * @pf: pointer to the pf structure
789 void i40e_free_vfs(struct i40e_pf *pf)
791 struct i40e_hw *hw = &pf->hw;
792 u32 reg_idx, bit_idx;
798 /* Disable interrupt 0 so we don't try to handle the VFLR. */
799 i40e_irq_dynamic_disable_icr0(pf);
801 mdelay(10); /* let any messages in transit get finished up */
802 /* free up vf resources */
803 tmp = pf->num_alloc_vfs;
804 pf->num_alloc_vfs = 0;
805 for (i = 0; i < tmp; i++) {
806 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
807 i40e_free_vf_res(&pf->vf[i]);
808 /* disable qp mappings */
809 i40e_disable_vf_mappings(&pf->vf[i]);
815 if (!i40e_vfs_are_assigned(pf)) {
816 pci_disable_sriov(pf->pdev);
817 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
818 * work correctly when SR-IOV gets re-enabled.
820 for (vf_id = 0; vf_id < tmp; vf_id++) {
821 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
822 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
823 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
825 i40e_disable_pf_switch_lb(pf);
827 dev_warn(&pf->pdev->dev,
828 "unable to disable SR-IOV because VFs are assigned.\n");
831 /* Re-enable interrupt 0. */
832 i40e_irq_dynamic_enable_icr0(pf);
835 #ifdef CONFIG_PCI_IOV
838 * @pf: pointer to the pf structure
839 * @num_alloc_vfs: number of vfs to allocate
841 * allocate vf resources
843 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
848 /* Disable interrupt 0 so we don't try to handle the VFLR. */
849 i40e_irq_dynamic_disable_icr0(pf);
851 /* Check to see if we're just allocating resources for extant VFs */
852 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
853 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
855 dev_err(&pf->pdev->dev,
856 "Failed to enable SR-IOV, error %d.\n", ret);
857 pf->num_alloc_vfs = 0;
861 /* allocate memory */
862 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
868 /* apply default profile */
869 for (i = 0; i < num_alloc_vfs; i++) {
871 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
874 /* assign default capabilities */
875 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
876 /* vf resources get allocated during reset */
877 i40e_reset_vf(&vfs[i], false);
879 /* enable vf vplan_qtable mappings */
880 i40e_enable_vf_mappings(&vfs[i]);
883 pf->num_alloc_vfs = num_alloc_vfs;
885 i40e_enable_pf_switch_lb(pf);
890 /* Re-enable interrupt 0. */
891 i40e_irq_dynamic_enable_icr0(pf);
897 * i40e_pci_sriov_enable
898 * @pdev: pointer to a pci_dev structure
899 * @num_vfs: number of vfs to allocate
901 * Enable or change the number of VFs
903 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
905 #ifdef CONFIG_PCI_IOV
906 struct i40e_pf *pf = pci_get_drvdata(pdev);
907 int pre_existing_vfs = pci_num_vf(pdev);
910 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
911 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
913 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
916 if (num_vfs > pf->num_req_vfs) {
921 err = i40e_alloc_vfs(pf, num_vfs);
923 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
937 * i40e_pci_sriov_configure
938 * @pdev: pointer to a pci_dev structure
939 * @num_vfs: number of vfs to allocate
941 * Enable or change the number of VFs. Called when the user updates the number
944 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
946 struct i40e_pf *pf = pci_get_drvdata(pdev);
949 return i40e_pci_sriov_enable(pdev, num_vfs);
955 /***********************virtual channel routines******************/
958 * i40e_vc_send_msg_to_vf
959 * @vf: pointer to the vf info
960 * @v_opcode: virtual channel opcode
961 * @v_retval: virtual channel return value
962 * @msg: pointer to the msg buffer
963 * @msglen: msg length
967 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
968 u32 v_retval, u8 *msg, u16 msglen)
970 struct i40e_pf *pf = vf->pf;
971 struct i40e_hw *hw = &pf->hw;
972 int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
975 /* single place to detect unsuccessful return values */
977 vf->num_invalid_msgs++;
978 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
980 if (vf->num_invalid_msgs >
981 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
982 dev_err(&pf->pdev->dev,
983 "Number of invalid messages exceeded for VF %d\n",
985 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
986 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
989 vf->num_valid_msgs++;
992 aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval,
995 dev_err(&pf->pdev->dev,
996 "Unable to send the message to VF %d aq_err %d\n",
997 vf->vf_id, pf->hw.aq.asq_last_status);
1005 * i40e_vc_send_resp_to_vf
1006 * @vf: pointer to the vf info
1007 * @opcode: operation code
1008 * @retval: return value
1010 * send resp msg to vf
1012 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1013 enum i40e_virtchnl_ops opcode,
1016 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1020 * i40e_vc_get_version_msg
1021 * @vf: pointer to the vf info
1023 * called from the vf to request the API version used by the PF
1025 static int i40e_vc_get_version_msg(struct i40e_vf *vf)
1027 struct i40e_virtchnl_version_info info = {
1028 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1031 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1032 I40E_SUCCESS, (u8 *)&info,
1034 i40e_virtchnl_version_info));
1038 * i40e_vc_get_vf_resources_msg
1039 * @vf: pointer to the vf info
1040 * @msg: pointer to the msg buffer
1041 * @msglen: msg length
1043 * called from the vf to request its resources
1045 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
1047 struct i40e_virtchnl_vf_resource *vfres = NULL;
1048 struct i40e_pf *pf = vf->pf;
1049 i40e_status aq_ret = 0;
1050 struct i40e_vsi *vsi;
1055 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1056 aq_ret = I40E_ERR_PARAM;
1060 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1061 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1063 vfres = kzalloc(len, GFP_KERNEL);
1065 aq_ret = I40E_ERR_NO_MEMORY;
1070 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1071 vsi = pf->vsi[vf->lan_vsi_index];
1072 if (!vsi->info.pvid)
1073 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1075 vfres->num_vsis = num_vsis;
1076 vfres->num_queue_pairs = vf->num_queue_pairs;
1077 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1078 if (vf->lan_vsi_index) {
1079 vfres->vsi_res[i].vsi_id = vf->lan_vsi_index;
1080 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1081 vfres->vsi_res[i].num_queue_pairs =
1082 pf->vsi[vf->lan_vsi_index]->num_queue_pairs;
1083 memcpy(vfres->vsi_res[i].default_mac_addr,
1084 vf->default_lan_addr.addr, ETH_ALEN);
1087 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1090 /* send the response back to the vf */
1091 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1092 aq_ret, (u8 *)vfres, len);
1099 * i40e_vc_reset_vf_msg
1100 * @vf: pointer to the vf info
1101 * @msg: pointer to the msg buffer
1102 * @msglen: msg length
1104 * called from the vf to reset itself,
1105 * unlike other virtchnl messages, pf driver
1106 * doesn't send the response back to the vf
1108 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1110 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1111 i40e_reset_vf(vf, false);
1115 * i40e_vc_config_promiscuous_mode_msg
1116 * @vf: pointer to the vf info
1117 * @msg: pointer to the msg buffer
1118 * @msglen: msg length
1120 * called from the vf to configure the promiscuous mode of
1123 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1124 u8 *msg, u16 msglen)
1126 struct i40e_virtchnl_promisc_info *info =
1127 (struct i40e_virtchnl_promisc_info *)msg;
1128 struct i40e_pf *pf = vf->pf;
1129 struct i40e_hw *hw = &pf->hw;
1130 bool allmulti = false;
1131 bool promisc = false;
1134 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1135 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1136 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1137 (pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) {
1138 aq_ret = I40E_ERR_PARAM;
1142 if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC)
1144 aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id,
1149 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1151 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id,
1155 /* send the response to the vf */
1156 return i40e_vc_send_resp_to_vf(vf,
1157 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1162 * i40e_vc_config_queues_msg
1163 * @vf: pointer to the vf info
1164 * @msg: pointer to the msg buffer
1165 * @msglen: msg length
1167 * called from the vf to configure the rx/tx
1170 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1172 struct i40e_virtchnl_vsi_queue_config_info *qci =
1173 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1174 struct i40e_virtchnl_queue_pair_info *qpi;
1175 u16 vsi_id, vsi_queue_id;
1176 i40e_status aq_ret = 0;
1179 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1180 aq_ret = I40E_ERR_PARAM;
1184 vsi_id = qci->vsi_id;
1185 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1186 aq_ret = I40E_ERR_PARAM;
1189 for (i = 0; i < qci->num_queue_pairs; i++) {
1190 qpi = &qci->qpair[i];
1191 vsi_queue_id = qpi->txq.queue_id;
1192 if ((qpi->txq.vsi_id != vsi_id) ||
1193 (qpi->rxq.vsi_id != vsi_id) ||
1194 (qpi->rxq.queue_id != vsi_queue_id) ||
1195 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1196 aq_ret = I40E_ERR_PARAM;
1200 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1202 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1204 aq_ret = I40E_ERR_PARAM;
1210 /* send the response to the vf */
1211 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1216 * i40e_vc_config_irq_map_msg
1217 * @vf: pointer to the vf info
1218 * @msg: pointer to the msg buffer
1219 * @msglen: msg length
1221 * called from the vf to configure the irq to
1224 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1226 struct i40e_virtchnl_irq_map_info *irqmap_info =
1227 (struct i40e_virtchnl_irq_map_info *)msg;
1228 struct i40e_virtchnl_vector_map *map;
1229 u16 vsi_id, vsi_queue_id, vector_id;
1230 i40e_status aq_ret = 0;
1231 unsigned long tempmap;
1234 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1235 aq_ret = I40E_ERR_PARAM;
1239 for (i = 0; i < irqmap_info->num_vectors; i++) {
1240 map = &irqmap_info->vecmap[i];
1242 vector_id = map->vector_id;
1243 vsi_id = map->vsi_id;
1244 /* validate msg params */
1245 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1246 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1247 aq_ret = I40E_ERR_PARAM;
1251 /* lookout for the invalid queue index */
1252 tempmap = map->rxq_map;
1253 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1254 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1256 aq_ret = I40E_ERR_PARAM;
1261 tempmap = map->txq_map;
1262 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1263 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1265 aq_ret = I40E_ERR_PARAM;
1270 i40e_config_irq_link_list(vf, vsi_id, map);
1273 /* send the response to the vf */
1274 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1279 * i40e_vc_enable_queues_msg
1280 * @vf: pointer to the vf info
1281 * @msg: pointer to the msg buffer
1282 * @msglen: msg length
1284 * called from the vf to enable all or specific queue(s)
1286 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1288 struct i40e_virtchnl_queue_select *vqs =
1289 (struct i40e_virtchnl_queue_select *)msg;
1290 struct i40e_pf *pf = vf->pf;
1291 u16 vsi_id = vqs->vsi_id;
1292 i40e_status aq_ret = 0;
1294 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1295 aq_ret = I40E_ERR_PARAM;
1299 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1300 aq_ret = I40E_ERR_PARAM;
1304 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1305 aq_ret = I40E_ERR_PARAM;
1308 if (i40e_vsi_control_rings(pf->vsi[vsi_id], true))
1309 aq_ret = I40E_ERR_TIMEOUT;
1311 /* send the response to the vf */
1312 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1317 * i40e_vc_disable_queues_msg
1318 * @vf: pointer to the vf info
1319 * @msg: pointer to the msg buffer
1320 * @msglen: msg length
1322 * called from the vf to disable all or specific
1325 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1327 struct i40e_virtchnl_queue_select *vqs =
1328 (struct i40e_virtchnl_queue_select *)msg;
1329 struct i40e_pf *pf = vf->pf;
1330 u16 vsi_id = vqs->vsi_id;
1331 i40e_status aq_ret = 0;
1333 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1334 aq_ret = I40E_ERR_PARAM;
1338 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1339 aq_ret = I40E_ERR_PARAM;
1343 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1344 aq_ret = I40E_ERR_PARAM;
1347 if (i40e_vsi_control_rings(pf->vsi[vsi_id], false))
1348 aq_ret = I40E_ERR_TIMEOUT;
1351 /* send the response to the vf */
1352 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1357 * i40e_vc_get_stats_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 get vsi stats
1364 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1366 struct i40e_virtchnl_queue_select *vqs =
1367 (struct i40e_virtchnl_queue_select *)msg;
1368 struct i40e_pf *pf = vf->pf;
1369 struct i40e_eth_stats stats;
1370 i40e_status aq_ret = 0;
1371 struct i40e_vsi *vsi;
1373 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1375 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1376 aq_ret = I40E_ERR_PARAM;
1380 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1381 aq_ret = I40E_ERR_PARAM;
1385 vsi = pf->vsi[vqs->vsi_id];
1387 aq_ret = I40E_ERR_PARAM;
1390 i40e_update_eth_stats(vsi);
1391 stats = vsi->eth_stats;
1394 /* send the response back to the vf */
1395 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1396 (u8 *)&stats, sizeof(stats));
1400 * i40e_check_vf_permission
1401 * @vf: pointer to the vf info
1402 * @macaddr: pointer to the MAC Address being checked
1404 * Check if the VF has permission to add or delete unicast MAC address
1405 * filters and return error code -EPERM if not. Then check if the
1406 * address filter requested is broadcast or zero and if so return
1407 * an invalid MAC address error code.
1409 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1411 struct i40e_pf *pf = vf->pf;
1414 if (is_broadcast_ether_addr(macaddr) ||
1415 is_zero_ether_addr(macaddr)) {
1416 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1417 ret = I40E_ERR_INVALID_MAC_ADDR;
1418 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1419 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1420 /* If the host VMM administrator has set the VF MAC address
1421 * administratively via the ndo_set_vf_mac command then deny
1422 * permission to the VF to add or delete unicast MAC addresses.
1423 * The VF may request to set the MAC address filter already
1424 * assigned to it so do not return an error in that case.
1426 dev_err(&pf->pdev->dev,
1427 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1434 * i40e_vc_add_mac_addr_msg
1435 * @vf: pointer to the vf info
1436 * @msg: pointer to the msg buffer
1437 * @msglen: msg length
1439 * add guest mac address filter
1441 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1443 struct i40e_virtchnl_ether_addr_list *al =
1444 (struct i40e_virtchnl_ether_addr_list *)msg;
1445 struct i40e_pf *pf = vf->pf;
1446 struct i40e_vsi *vsi = NULL;
1447 u16 vsi_id = al->vsi_id;
1448 i40e_status ret = 0;
1451 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1452 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1453 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1454 ret = I40E_ERR_PARAM;
1458 for (i = 0; i < al->num_elements; i++) {
1459 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1463 vsi = pf->vsi[vsi_id];
1465 /* add new addresses to the list */
1466 for (i = 0; i < al->num_elements; i++) {
1467 struct i40e_mac_filter *f;
1469 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1471 if (i40e_is_vsi_in_vlan(vsi))
1472 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1475 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1480 dev_err(&pf->pdev->dev,
1481 "Unable to add VF MAC filter\n");
1482 ret = I40E_ERR_PARAM;
1487 /* program the updated filter list */
1488 if (i40e_sync_vsi_filters(vsi))
1489 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1492 /* send the response to the vf */
1493 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1498 * i40e_vc_del_mac_addr_msg
1499 * @vf: pointer to the vf info
1500 * @msg: pointer to the msg buffer
1501 * @msglen: msg length
1503 * remove guest mac address filter
1505 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1507 struct i40e_virtchnl_ether_addr_list *al =
1508 (struct i40e_virtchnl_ether_addr_list *)msg;
1509 struct i40e_pf *pf = vf->pf;
1510 struct i40e_vsi *vsi = NULL;
1511 u16 vsi_id = al->vsi_id;
1512 i40e_status ret = 0;
1515 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1516 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1517 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1518 ret = I40E_ERR_PARAM;
1522 for (i = 0; i < al->num_elements; i++) {
1523 if (is_broadcast_ether_addr(al->list[i].addr) ||
1524 is_zero_ether_addr(al->list[i].addr)) {
1525 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1527 ret = I40E_ERR_INVALID_MAC_ADDR;
1531 vsi = pf->vsi[vsi_id];
1533 /* delete addresses from the list */
1534 for (i = 0; i < al->num_elements; i++)
1535 i40e_del_filter(vsi, al->list[i].addr,
1536 I40E_VLAN_ANY, true, false);
1538 /* program the updated filter list */
1539 if (i40e_sync_vsi_filters(vsi))
1540 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1543 /* send the response to the vf */
1544 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1549 * i40e_vc_add_vlan_msg
1550 * @vf: pointer to the vf info
1551 * @msg: pointer to the msg buffer
1552 * @msglen: msg length
1554 * program guest vlan id
1556 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1558 struct i40e_virtchnl_vlan_filter_list *vfl =
1559 (struct i40e_virtchnl_vlan_filter_list *)msg;
1560 struct i40e_pf *pf = vf->pf;
1561 struct i40e_vsi *vsi = NULL;
1562 u16 vsi_id = vfl->vsi_id;
1563 i40e_status aq_ret = 0;
1566 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1567 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1568 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1569 aq_ret = I40E_ERR_PARAM;
1573 for (i = 0; i < vfl->num_elements; i++) {
1574 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1575 aq_ret = I40E_ERR_PARAM;
1576 dev_err(&pf->pdev->dev,
1577 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1581 vsi = pf->vsi[vsi_id];
1582 if (vsi->info.pvid) {
1583 aq_ret = I40E_ERR_PARAM;
1587 i40e_vlan_stripping_enable(vsi);
1588 for (i = 0; i < vfl->num_elements; i++) {
1589 /* add new VLAN filter */
1590 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1592 dev_err(&pf->pdev->dev,
1593 "Unable to add VF vlan filter %d, error %d\n",
1594 vfl->vlan_id[i], ret);
1598 /* send the response to the vf */
1599 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1603 * i40e_vc_remove_vlan_msg
1604 * @vf: pointer to the vf info
1605 * @msg: pointer to the msg buffer
1606 * @msglen: msg length
1608 * remove programmed guest vlan id
1610 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1612 struct i40e_virtchnl_vlan_filter_list *vfl =
1613 (struct i40e_virtchnl_vlan_filter_list *)msg;
1614 struct i40e_pf *pf = vf->pf;
1615 struct i40e_vsi *vsi = NULL;
1616 u16 vsi_id = vfl->vsi_id;
1617 i40e_status aq_ret = 0;
1620 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1621 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1622 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1623 aq_ret = I40E_ERR_PARAM;
1627 for (i = 0; i < vfl->num_elements; i++) {
1628 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1629 aq_ret = I40E_ERR_PARAM;
1634 vsi = pf->vsi[vsi_id];
1635 if (vsi->info.pvid) {
1636 aq_ret = I40E_ERR_PARAM;
1640 for (i = 0; i < vfl->num_elements; i++) {
1641 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1643 dev_err(&pf->pdev->dev,
1644 "Unable to delete VF vlan filter %d, error %d\n",
1645 vfl->vlan_id[i], ret);
1649 /* send the response to the vf */
1650 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1654 * i40e_vc_validate_vf_msg
1655 * @vf: pointer to the vf info
1656 * @msg: pointer to the msg buffer
1657 * @msglen: msg length
1658 * @msghndl: msg handle
1662 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1663 u32 v_retval, u8 *msg, u16 msglen)
1665 bool err_msg_format = false;
1668 /* Check if VF is disabled. */
1669 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1670 return I40E_ERR_PARAM;
1672 /* Validate message length. */
1674 case I40E_VIRTCHNL_OP_VERSION:
1675 valid_len = sizeof(struct i40e_virtchnl_version_info);
1677 case I40E_VIRTCHNL_OP_RESET_VF:
1678 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1681 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1682 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1684 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1685 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1687 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1688 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1689 if (msglen >= valid_len) {
1690 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1691 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1692 valid_len += (vqc->num_queue_pairs *
1694 i40e_virtchnl_queue_pair_info));
1695 if (vqc->num_queue_pairs == 0)
1696 err_msg_format = true;
1699 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1700 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1701 if (msglen >= valid_len) {
1702 struct i40e_virtchnl_irq_map_info *vimi =
1703 (struct i40e_virtchnl_irq_map_info *)msg;
1704 valid_len += (vimi->num_vectors *
1705 sizeof(struct i40e_virtchnl_vector_map));
1706 if (vimi->num_vectors == 0)
1707 err_msg_format = true;
1710 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1711 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1712 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1714 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1715 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1716 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1717 if (msglen >= valid_len) {
1718 struct i40e_virtchnl_ether_addr_list *veal =
1719 (struct i40e_virtchnl_ether_addr_list *)msg;
1720 valid_len += veal->num_elements *
1721 sizeof(struct i40e_virtchnl_ether_addr);
1722 if (veal->num_elements == 0)
1723 err_msg_format = true;
1726 case I40E_VIRTCHNL_OP_ADD_VLAN:
1727 case I40E_VIRTCHNL_OP_DEL_VLAN:
1728 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1729 if (msglen >= valid_len) {
1730 struct i40e_virtchnl_vlan_filter_list *vfl =
1731 (struct i40e_virtchnl_vlan_filter_list *)msg;
1732 valid_len += vfl->num_elements * sizeof(u16);
1733 if (vfl->num_elements == 0)
1734 err_msg_format = true;
1737 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1738 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1740 case I40E_VIRTCHNL_OP_GET_STATS:
1741 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1743 /* These are always errors coming from the VF. */
1744 case I40E_VIRTCHNL_OP_EVENT:
1745 case I40E_VIRTCHNL_OP_UNKNOWN:
1750 /* few more checks */
1751 if ((valid_len != msglen) || (err_msg_format)) {
1752 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1760 * i40e_vc_process_vf_msg
1761 * @pf: pointer to the pf structure
1762 * @vf_id: source vf id
1763 * @msg: pointer to the msg buffer
1764 * @msglen: msg length
1765 * @msghndl: msg handle
1767 * called from the common aeq/arq handler to
1768 * process request from vf
1770 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1771 u32 v_retval, u8 *msg, u16 msglen)
1773 struct i40e_hw *hw = &pf->hw;
1774 int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1778 pf->vf_aq_requests++;
1779 if (local_vf_id >= pf->num_alloc_vfs)
1781 vf = &(pf->vf[local_vf_id]);
1782 /* perform basic checks on the msg */
1783 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1786 dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n",
1787 local_vf_id, v_opcode, msglen);
1792 case I40E_VIRTCHNL_OP_VERSION:
1793 ret = i40e_vc_get_version_msg(vf);
1795 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1796 ret = i40e_vc_get_vf_resources_msg(vf);
1798 case I40E_VIRTCHNL_OP_RESET_VF:
1799 i40e_vc_reset_vf_msg(vf);
1802 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1803 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1805 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1806 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1808 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1809 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1811 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1812 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1814 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1815 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1817 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1818 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1820 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1821 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1823 case I40E_VIRTCHNL_OP_ADD_VLAN:
1824 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1826 case I40E_VIRTCHNL_OP_DEL_VLAN:
1827 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1829 case I40E_VIRTCHNL_OP_GET_STATS:
1830 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1832 case I40E_VIRTCHNL_OP_UNKNOWN:
1834 dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n",
1835 v_opcode, local_vf_id);
1836 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1837 I40E_ERR_NOT_IMPLEMENTED);
1845 * i40e_vc_process_vflr_event
1846 * @pf: pointer to the pf structure
1848 * called from the vlfr irq handler to
1849 * free up vf resources and state variables
1851 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
1853 u32 reg, reg_idx, bit_idx, vf_id;
1854 struct i40e_hw *hw = &pf->hw;
1857 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
1860 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
1861 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
1862 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1863 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1864 /* read GLGEN_VFLRSTAT register to find out the flr vfs */
1865 vf = &pf->vf[vf_id];
1866 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
1867 if (reg & (1 << bit_idx)) {
1868 /* clear the bit in GLGEN_VFLRSTAT */
1869 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
1871 if (!test_bit(__I40E_DOWN, &pf->state))
1872 i40e_reset_vf(vf, true);
1876 /* re-enable vflr interrupt cause */
1877 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1878 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
1879 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1886 * i40e_vc_vf_broadcast
1887 * @pf: pointer to the pf structure
1888 * @opcode: operation code
1889 * @retval: return value
1890 * @msg: pointer to the msg buffer
1891 * @msglen: msg length
1893 * send a message to all VFs on a given PF
1895 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
1896 enum i40e_virtchnl_ops v_opcode,
1897 i40e_status v_retval, u8 *msg,
1900 struct i40e_hw *hw = &pf->hw;
1901 struct i40e_vf *vf = pf->vf;
1904 for (i = 0; i < pf->num_alloc_vfs; i++) {
1905 /* Ignore return value on purpose - a given VF may fail, but
1906 * we need to keep going and send to all of them
1908 i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval,
1915 * i40e_vc_notify_link_state
1916 * @pf: pointer to the pf structure
1918 * send a link status message to all VFs on a given PF
1920 void i40e_vc_notify_link_state(struct i40e_pf *pf)
1922 struct i40e_virtchnl_pf_event pfe;
1923 struct i40e_hw *hw = &pf->hw;
1924 struct i40e_vf *vf = pf->vf;
1925 struct i40e_link_status *ls = &pf->hw.phy.link_info;
1928 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
1929 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
1930 for (i = 0; i < pf->num_alloc_vfs; i++) {
1931 if (vf->link_forced) {
1932 pfe.event_data.link_event.link_status = vf->link_up;
1933 pfe.event_data.link_event.link_speed =
1934 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
1936 pfe.event_data.link_event.link_status =
1937 ls->link_info & I40E_AQ_LINK_UP;
1938 pfe.event_data.link_event.link_speed = ls->link_speed;
1940 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
1941 0, (u8 *)&pfe, sizeof(pfe),
1948 * i40e_vc_notify_reset
1949 * @pf: pointer to the pf structure
1951 * indicate a pending reset to all VFs on a given PF
1953 void i40e_vc_notify_reset(struct i40e_pf *pf)
1955 struct i40e_virtchnl_pf_event pfe;
1957 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
1958 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
1959 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS,
1960 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
1964 * i40e_vc_notify_vf_reset
1965 * @vf: pointer to the vf structure
1967 * indicate a pending reset to the given VF
1969 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
1971 struct i40e_virtchnl_pf_event pfe;
1973 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
1974 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
1975 i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
1976 I40E_SUCCESS, (u8 *)&pfe,
1977 sizeof(struct i40e_virtchnl_pf_event), NULL);
1981 * i40e_ndo_set_vf_mac
1982 * @netdev: network interface device structure
1983 * @vf_id: vf identifier
1986 * program vf mac address
1988 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
1990 struct i40e_netdev_priv *np = netdev_priv(netdev);
1991 struct i40e_vsi *vsi = np->vsi;
1992 struct i40e_pf *pf = vsi->back;
1993 struct i40e_mac_filter *f;
1997 /* validate the request */
1998 if (vf_id >= pf->num_alloc_vfs) {
1999 dev_err(&pf->pdev->dev,
2000 "Invalid VF Identifier %d\n", vf_id);
2005 vf = &(pf->vf[vf_id]);
2006 vsi = pf->vsi[vf->lan_vsi_index];
2007 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2008 dev_err(&pf->pdev->dev,
2009 "Uninitialized VF %d\n", vf_id);
2014 if (!is_valid_ether_addr(mac)) {
2015 dev_err(&pf->pdev->dev,
2016 "Invalid VF ethernet address\n");
2021 /* delete the temporary mac address */
2022 i40e_del_filter(vsi, vf->default_lan_addr.addr, 0, true, false);
2024 /* add the new mac address */
2025 f = i40e_add_filter(vsi, mac, 0, true, false);
2027 dev_err(&pf->pdev->dev,
2028 "Unable to add VF ucast filter\n");
2033 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2034 /* program mac filter */
2035 if (i40e_sync_vsi_filters(vsi)) {
2036 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2040 memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN);
2041 vf->pf_set_mac = true;
2042 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2050 * i40e_ndo_set_vf_port_vlan
2051 * @netdev: network interface device structure
2052 * @vf_id: vf identifier
2053 * @vlan_id: mac address
2054 * @qos: priority setting
2056 * program vf vlan id and/or qos
2058 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2059 int vf_id, u16 vlan_id, u8 qos)
2061 struct i40e_netdev_priv *np = netdev_priv(netdev);
2062 struct i40e_pf *pf = np->vsi->back;
2063 struct i40e_vsi *vsi;
2067 /* validate the request */
2068 if (vf_id >= pf->num_alloc_vfs) {
2069 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2074 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2075 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2080 vf = &(pf->vf[vf_id]);
2081 vsi = pf->vsi[vf->lan_vsi_index];
2082 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2083 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2088 if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi))
2089 dev_err(&pf->pdev->dev,
2090 "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",
2093 /* Check for condition where there was already a port VLAN ID
2094 * filter set and now it is being deleted by setting it to zero.
2095 * Before deleting all the old VLAN filters we must add new ones
2096 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2097 * MAC addresses deleted.
2099 if (!(vlan_id || qos) && vsi->info.pvid)
2100 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2102 if (vsi->info.pvid) {
2104 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2107 dev_info(&vsi->back->pdev->dev,
2108 "remove VLAN failed, ret=%d, aq_err=%d\n",
2109 ret, pf->hw.aq.asq_last_status);
2113 ret = i40e_vsi_add_pvid(vsi,
2114 vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
2116 i40e_vsi_remove_pvid(vsi);
2119 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2120 vlan_id, qos, vf_id);
2122 /* add new VLAN filter */
2123 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2125 dev_info(&vsi->back->pdev->dev,
2126 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2127 vsi->back->hw.aq.asq_last_status);
2130 /* Kill non-vlan MAC filters - ignore error return since
2131 * there might not be any non-vlan MAC filters.
2133 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2137 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2140 /* The Port VLAN needs to be saved across resets the same as the
2141 * default LAN MAC address.
2143 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2151 * i40e_ndo_set_vf_bw
2152 * @netdev: network interface device structure
2153 * @vf_id: vf identifier
2156 * configure vf tx rate
2158 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate)
2164 * i40e_ndo_get_vf_config
2165 * @netdev: network interface device structure
2166 * @vf_id: vf identifier
2167 * @ivi: vf configuration structure
2169 * return vf configuration
2171 int i40e_ndo_get_vf_config(struct net_device *netdev,
2172 int vf_id, struct ifla_vf_info *ivi)
2174 struct i40e_netdev_priv *np = netdev_priv(netdev);
2175 struct i40e_vsi *vsi = np->vsi;
2176 struct i40e_pf *pf = vsi->back;
2180 /* validate the request */
2181 if (vf_id >= pf->num_alloc_vfs) {
2182 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2187 vf = &(pf->vf[vf_id]);
2188 /* first vsi is always the LAN vsi */
2189 vsi = pf->vsi[vf->lan_vsi_index];
2190 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2191 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2198 memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN);
2201 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2202 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2203 I40E_VLAN_PRIORITY_SHIFT;
2211 * i40e_ndo_set_vf_link_state
2212 * @netdev: network interface device structure
2213 * @vf_id: vf identifier
2214 * @link: required link state
2216 * Set the link state of a specified VF, regardless of physical link state
2218 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2220 struct i40e_netdev_priv *np = netdev_priv(netdev);
2221 struct i40e_pf *pf = np->vsi->back;
2222 struct i40e_virtchnl_pf_event pfe;
2223 struct i40e_hw *hw = &pf->hw;
2227 /* validate the request */
2228 if (vf_id >= pf->num_alloc_vfs) {
2229 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2234 vf = &pf->vf[vf_id];
2236 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2237 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2240 case IFLA_VF_LINK_STATE_AUTO:
2241 vf->link_forced = false;
2242 pfe.event_data.link_event.link_status =
2243 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2244 pfe.event_data.link_event.link_speed =
2245 pf->hw.phy.link_info.link_speed;
2247 case IFLA_VF_LINK_STATE_ENABLE:
2248 vf->link_forced = true;
2250 pfe.event_data.link_event.link_status = true;
2251 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2253 case IFLA_VF_LINK_STATE_DISABLE:
2254 vf->link_forced = true;
2255 vf->link_up = false;
2256 pfe.event_data.link_event.link_status = false;
2257 pfe.event_data.link_event.link_speed = 0;
2263 /* Notify the VF of its new link state */
2264 i40e_aq_send_msg_to_vf(hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT,
2265 0, (u8 *)&pfe, sizeof(pfe), NULL);