1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2015 Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 ******************************************************************************/
29 /*********************notification routines***********************/
32 * i40e_vc_vf_broadcast
33 * @pf: pointer to the PF structure
34 * @opcode: operation code
35 * @retval: return value
36 * @msg: pointer to the msg buffer
39 * send a message to all VFs on a given PF
41 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
42 enum i40e_virtchnl_ops v_opcode,
43 i40e_status v_retval, u8 *msg,
46 struct i40e_hw *hw = &pf->hw;
47 struct i40e_vf *vf = pf->vf;
50 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
51 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
52 /* Not all vfs are enabled so skip the ones that are not */
53 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
54 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
57 /* Ignore return value on purpose - a given VF may fail, but
58 * we need to keep going and send to all of them
60 i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
66 * i40e_vc_notify_link_state
67 * @vf: pointer to the VF structure
69 * send a link status message to a single VF
71 static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
73 struct i40e_virtchnl_pf_event pfe;
74 struct i40e_pf *pf = vf->pf;
75 struct i40e_hw *hw = &pf->hw;
76 struct i40e_link_status *ls = &pf->hw.phy.link_info;
77 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
79 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
80 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
81 if (vf->link_forced) {
82 pfe.event_data.link_event.link_status = vf->link_up;
83 pfe.event_data.link_event.link_speed =
84 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
86 pfe.event_data.link_event.link_status =
87 ls->link_info & I40E_AQ_LINK_UP;
88 pfe.event_data.link_event.link_speed = ls->link_speed;
90 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
91 0, (u8 *)&pfe, sizeof(pfe), NULL);
95 * i40e_vc_notify_link_state
96 * @pf: pointer to the PF structure
98 * send a link status message to all VFs on a given PF
100 void i40e_vc_notify_link_state(struct i40e_pf *pf)
104 for (i = 0; i < pf->num_alloc_vfs; i++)
105 i40e_vc_notify_vf_link_state(&pf->vf[i]);
109 * i40e_vc_notify_reset
110 * @pf: pointer to the PF structure
112 * indicate a pending reset to all VFs on a given PF
114 void i40e_vc_notify_reset(struct i40e_pf *pf)
116 struct i40e_virtchnl_pf_event pfe;
118 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
119 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
120 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, 0,
121 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
125 * i40e_vc_notify_vf_reset
126 * @vf: pointer to the VF structure
128 * indicate a pending reset to the given VF
130 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
132 struct i40e_virtchnl_pf_event pfe;
135 /* validate the request */
136 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
139 /* verify if the VF is in either init or active before proceeding */
140 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
141 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
144 abs_vf_id = vf->vf_id + vf->pf->hw.func_caps.vf_base_id;
146 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
147 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
148 i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
150 sizeof(struct i40e_virtchnl_pf_event), NULL);
152 /***********************misc routines*****************************/
156 * @pf: pointer to the PF info
157 * @vf: pointer to the VF info
159 * Disable the VF through a SW reset
161 static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf)
163 i40e_vc_notify_vf_reset(vf);
164 i40e_reset_vf(vf, false);
168 * i40e_vc_isvalid_vsi_id
169 * @vf: pointer to the VF info
170 * @vsi_id: VF relative VSI id
172 * check for the valid VSI id
174 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
176 struct i40e_pf *pf = vf->pf;
177 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
179 return (vsi && (vsi->vf_id == vf->vf_id));
183 * i40e_vc_isvalid_queue_id
184 * @vf: pointer to the VF info
186 * @qid: vsi relative queue id
188 * check for the valid queue id
190 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
193 struct i40e_pf *pf = vf->pf;
194 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
196 return (vsi && (qid < vsi->alloc_queue_pairs));
200 * i40e_vc_isvalid_vector_id
201 * @vf: pointer to the VF info
202 * @vector_id: VF relative vector id
204 * check for the valid vector id
206 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
208 struct i40e_pf *pf = vf->pf;
210 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
213 /***********************vf resource mgmt routines*****************/
216 * i40e_vc_get_pf_queue_id
217 * @vf: pointer to the VF info
218 * @vsi_id: id of VSI as provided by the FW
219 * @vsi_queue_id: vsi relative queue id
221 * return PF relative queue id
223 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
226 struct i40e_pf *pf = vf->pf;
227 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
228 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
233 if (le16_to_cpu(vsi->info.mapping_flags) &
234 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
236 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
238 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
245 * i40e_config_irq_link_list
246 * @vf: pointer to the VF info
247 * @vsi_id: id of VSI as given by the FW
248 * @vecmap: irq map info
250 * configure irq link list from the map
252 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
253 struct i40e_virtchnl_vector_map *vecmap)
255 unsigned long linklistmap = 0, tempmap;
256 struct i40e_pf *pf = vf->pf;
257 struct i40e_hw *hw = &pf->hw;
258 u16 vsi_queue_id, pf_queue_id;
259 enum i40e_queue_type qtype;
260 u16 next_q, vector_id;
264 vector_id = vecmap->vector_id;
267 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
269 reg_idx = I40E_VPINT_LNKLSTN(
270 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
273 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
274 /* Special case - No queues mapped on this vector */
275 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
278 tempmap = vecmap->rxq_map;
279 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
280 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
284 tempmap = vecmap->txq_map;
285 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
286 linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES *
290 next_q = find_first_bit(&linklistmap,
292 I40E_VIRTCHNL_SUPPORTED_QTYPES));
293 vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES;
294 qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES;
295 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
296 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
298 wr32(hw, reg_idx, reg);
300 while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
302 case I40E_QUEUE_TYPE_RX:
303 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
304 itr_idx = vecmap->rxitr_idx;
306 case I40E_QUEUE_TYPE_TX:
307 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
308 itr_idx = vecmap->txitr_idx;
314 next_q = find_next_bit(&linklistmap,
316 I40E_VIRTCHNL_SUPPORTED_QTYPES),
319 (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
320 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
321 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
322 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id,
325 pf_queue_id = I40E_QUEUE_END_OF_LIST;
329 /* format for the RQCTL & TQCTL regs is same */
331 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
332 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
333 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
334 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
335 wr32(hw, reg_idx, reg);
338 /* if the vf is running in polling mode and using interrupt zero,
339 * need to disable auto-mask on enabling zero interrupt for VFs.
341 if ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&
343 reg = rd32(hw, I40E_GLINT_CTL);
344 if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {
345 reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;
346 wr32(hw, I40E_GLINT_CTL, reg);
355 * i40e_config_vsi_tx_queue
356 * @vf: pointer to the VF info
357 * @vsi_id: id of VSI as provided by the FW
358 * @vsi_queue_id: vsi relative queue index
359 * @info: config. info
363 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
365 struct i40e_virtchnl_txq_info *info)
367 struct i40e_pf *pf = vf->pf;
368 struct i40e_hw *hw = &pf->hw;
369 struct i40e_hmc_obj_txq tx_ctx;
370 struct i40e_vsi *vsi;
375 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
376 vsi = i40e_find_vsi_from_id(pf, vsi_id);
378 /* clear the context structure first */
379 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
381 /* only set the required fields */
382 tx_ctx.base = info->dma_ring_addr / 128;
383 tx_ctx.qlen = info->ring_len;
384 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
385 tx_ctx.rdylist_act = 0;
386 tx_ctx.head_wb_ena = info->headwb_enabled;
387 tx_ctx.head_wb_addr = info->dma_headwb_addr;
389 /* clear the context in the HMC */
390 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
392 dev_err(&pf->pdev->dev,
393 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
399 /* set the context in the HMC */
400 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
402 dev_err(&pf->pdev->dev,
403 "Failed to set VF LAN Tx queue context %d error: %d\n",
409 /* associate this queue with the PCI VF function */
410 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
411 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
412 & I40E_QTX_CTL_PF_INDX_MASK);
413 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
414 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
415 & I40E_QTX_CTL_VFVM_INDX_MASK);
416 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
424 * i40e_config_vsi_rx_queue
425 * @vf: pointer to the VF info
426 * @vsi_id: id of VSI as provided by the FW
427 * @vsi_queue_id: vsi relative queue index
428 * @info: config. info
432 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
434 struct i40e_virtchnl_rxq_info *info)
436 struct i40e_pf *pf = vf->pf;
437 struct i40e_hw *hw = &pf->hw;
438 struct i40e_hmc_obj_rxq rx_ctx;
442 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
444 /* clear the context structure first */
445 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
447 /* only set the required fields */
448 rx_ctx.base = info->dma_ring_addr / 128;
449 rx_ctx.qlen = info->ring_len;
451 if (info->splithdr_enabled) {
452 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
454 I40E_RX_SPLIT_TCP_UDP |
456 /* header length validation */
457 if (info->hdr_size > ((2 * 1024) - 64)) {
461 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
463 /* set splitalways mode 10b */
467 /* databuffer length validation */
468 if (info->databuffer_size > ((16 * 1024) - 128)) {
472 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
474 /* max pkt. length validation */
475 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
479 rx_ctx.rxmax = info->max_pkt_size;
481 /* enable 32bytes desc always */
485 rx_ctx.lrxqthresh = 2;
490 /* clear the context in the HMC */
491 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
493 dev_err(&pf->pdev->dev,
494 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
500 /* set the context in the HMC */
501 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
503 dev_err(&pf->pdev->dev,
504 "Failed to set VF LAN Rx queue context %d error: %d\n",
516 * @vf: pointer to the VF info
517 * @type: type of VSI to allocate
519 * alloc VF vsi context & resources
521 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
523 struct i40e_mac_filter *f = NULL;
524 struct i40e_pf *pf = vf->pf;
525 struct i40e_vsi *vsi;
528 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
531 dev_err(&pf->pdev->dev,
532 "add vsi failed for VF %d, aq_err %d\n",
533 vf->vf_id, pf->hw.aq.asq_last_status);
535 goto error_alloc_vsi_res;
537 if (type == I40E_VSI_SRIOV) {
538 u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
540 vf->lan_vsi_idx = vsi->idx;
541 vf->lan_vsi_id = vsi->id;
542 /* If the port VLAN has been configured and then the
543 * VF driver was removed then the VSI port VLAN
544 * configuration was destroyed. Check if there is
545 * a port VLAN and restore the VSI configuration if
548 if (vf->port_vlan_id)
549 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
551 spin_lock_bh(&vsi->mac_filter_list_lock);
552 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
553 vf->port_vlan_id ? vf->port_vlan_id : -1,
556 dev_info(&pf->pdev->dev,
557 "Could not allocate VF MAC addr\n");
558 f = i40e_add_filter(vsi, brdcast,
559 vf->port_vlan_id ? vf->port_vlan_id : -1,
562 dev_info(&pf->pdev->dev,
563 "Could not allocate VF broadcast filter\n");
564 spin_unlock_bh(&vsi->mac_filter_list_lock);
567 /* program mac filter */
568 ret = i40e_sync_vsi_filters(vsi, false);
570 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
572 /* Set VF bandwidth if specified */
574 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
575 vf->tx_rate / 50, 0, NULL);
577 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
586 * i40e_enable_vf_mappings
587 * @vf: pointer to the VF info
591 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
593 struct i40e_pf *pf = vf->pf;
594 struct i40e_hw *hw = &pf->hw;
595 u32 reg, total_queue_pairs = 0;
598 /* Tell the hardware we're using noncontiguous mapping. HW requires
599 * that VF queues be mapped using this method, even when they are
600 * contiguous in real life
602 wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
603 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
605 /* enable VF vplan_qtable mappings */
606 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
607 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
609 /* map PF queues to VF queues */
610 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
611 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
613 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
614 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
618 /* map PF queues to VSI */
619 for (j = 0; j < 7; j++) {
620 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
621 reg = 0x07FF07FF; /* unused */
623 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
626 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
630 wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg);
637 * i40e_disable_vf_mappings
638 * @vf: pointer to the VF info
640 * disable VF mappings
642 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
644 struct i40e_pf *pf = vf->pf;
645 struct i40e_hw *hw = &pf->hw;
648 /* disable qp mappings */
649 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
650 for (i = 0; i < I40E_MAX_VSI_QP; i++)
651 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
652 I40E_QUEUE_END_OF_LIST);
658 * @vf: pointer to the VF info
662 static void i40e_free_vf_res(struct i40e_vf *vf)
664 struct i40e_pf *pf = vf->pf;
665 struct i40e_hw *hw = &pf->hw;
669 /* free vsi & disconnect it from the parent uplink */
670 if (vf->lan_vsi_idx) {
671 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
675 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
677 /* disable interrupts so the VF starts in a known state */
678 for (i = 0; i < msix_vf; i++) {
679 /* format is same for both registers */
681 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
683 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
686 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
690 /* clear the irq settings */
691 for (i = 0; i < msix_vf; i++) {
692 /* format is same for both registers */
694 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
696 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
699 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
700 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
701 wr32(hw, reg_idx, reg);
704 /* reset some of the state varibles keeping
705 * track of the resources
707 vf->num_queue_pairs = 0;
709 clear_bit(I40E_VF_STAT_INIT, &vf->vf_states);
714 * @vf: pointer to the VF info
716 * allocate VF resources
718 static int i40e_alloc_vf_res(struct i40e_vf *vf)
720 struct i40e_pf *pf = vf->pf;
721 int total_queue_pairs = 0;
724 /* allocate hw vsi context & associated resources */
725 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
728 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
729 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
731 /* store the total qps number for the runtime
734 vf->num_queue_pairs = total_queue_pairs;
736 /* VF is now completely initialized */
737 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
741 i40e_free_vf_res(vf);
746 #define VF_DEVICE_STATUS 0xAA
747 #define VF_TRANS_PENDING_MASK 0x20
749 * i40e_quiesce_vf_pci
750 * @vf: pointer to the VF structure
752 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
753 * if the transactions never clear.
755 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
757 struct i40e_pf *pf = vf->pf;
758 struct i40e_hw *hw = &pf->hw;
762 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
764 wr32(hw, I40E_PF_PCI_CIAA,
765 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
766 for (i = 0; i < 100; i++) {
767 reg = rd32(hw, I40E_PF_PCI_CIAD);
768 if ((reg & VF_TRANS_PENDING_MASK) == 0)
777 * @vf: pointer to the VF structure
778 * @flr: VFLR was issued or not
782 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
784 struct i40e_pf *pf = vf->pf;
785 struct i40e_hw *hw = &pf->hw;
790 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
794 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
796 /* In the case of a VFLR, the HW has already reset the VF and we
797 * just need to clean up, so don't hit the VFRTRIG register.
800 /* reset VF using VPGEN_VFRTRIG reg */
801 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
802 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
803 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
807 if (i40e_quiesce_vf_pci(vf))
808 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
811 /* poll VPGEN_VFRSTAT reg to make sure
812 * that reset is complete
814 for (i = 0; i < 10; i++) {
815 /* VF reset requires driver to first reset the VF and then
816 * poll the status register to make sure that the reset
817 * completed successfully. Due to internal HW FIFO flushes,
818 * we must wait 10ms before the register will be valid.
820 usleep_range(10000, 20000);
821 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
822 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
829 usleep_range(10000, 20000);
832 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
834 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
835 /* clear the reset bit in the VPGEN_VFRTRIG reg */
836 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
837 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
838 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
840 /* On initial reset, we won't have any queues */
841 if (vf->lan_vsi_idx == 0)
844 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false);
846 /* reallocate VF resources to reset the VSI state */
847 i40e_free_vf_res(vf);
848 if (!i40e_alloc_vf_res(vf)) {
849 i40e_enable_vf_mappings(vf);
850 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
851 clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
853 /* tell the VF the reset is done */
854 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
856 clear_bit(__I40E_VF_DISABLE, &pf->state);
861 * @pf: pointer to the PF structure
865 void i40e_free_vfs(struct i40e_pf *pf)
867 struct i40e_hw *hw = &pf->hw;
868 u32 reg_idx, bit_idx;
873 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
874 usleep_range(1000, 2000);
876 for (i = 0; i < pf->num_alloc_vfs; i++)
877 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
878 i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx],
881 for (i = 0; i < pf->num_alloc_vfs; i++)
882 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
883 i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx],
886 /* Disable IOV before freeing resources. This lets any VF drivers
887 * running in the host get themselves cleaned up before we yank
888 * the carpet out from underneath their feet.
890 if (!pci_vfs_assigned(pf->pdev))
891 pci_disable_sriov(pf->pdev);
893 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
895 msleep(20); /* let any messages in transit get finished up */
897 /* free up VF resources */
898 tmp = pf->num_alloc_vfs;
899 pf->num_alloc_vfs = 0;
900 for (i = 0; i < tmp; i++) {
901 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
902 i40e_free_vf_res(&pf->vf[i]);
903 /* disable qp mappings */
904 i40e_disable_vf_mappings(&pf->vf[i]);
910 /* This check is for when the driver is unloaded while VFs are
911 * assigned. Setting the number of VFs to 0 through sysfs is caught
912 * before this function ever gets called.
914 if (!pci_vfs_assigned(pf->pdev)) {
915 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
916 * work correctly when SR-IOV gets re-enabled.
918 for (vf_id = 0; vf_id < tmp; vf_id++) {
919 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
920 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
921 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
924 clear_bit(__I40E_VF_DISABLE, &pf->state);
927 #ifdef CONFIG_PCI_IOV
930 * @pf: pointer to the PF structure
931 * @num_alloc_vfs: number of VFs to allocate
933 * allocate VF resources
935 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
940 /* Disable interrupt 0 so we don't try to handle the VFLR. */
941 i40e_irq_dynamic_disable_icr0(pf);
943 /* Check to see if we're just allocating resources for extant VFs */
944 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
945 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
947 pf->num_alloc_vfs = 0;
951 /* allocate memory */
952 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
959 /* apply default profile */
960 for (i = 0; i < num_alloc_vfs; i++) {
962 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
965 /* assign default capabilities */
966 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
967 vfs[i].spoofchk = true;
968 /* VF resources get allocated during reset */
969 i40e_reset_vf(&vfs[i], false);
972 pf->num_alloc_vfs = num_alloc_vfs;
978 /* Re-enable interrupt 0. */
979 i40e_irq_dynamic_enable_icr0(pf);
985 * i40e_pci_sriov_enable
986 * @pdev: pointer to a pci_dev structure
987 * @num_vfs: number of VFs to allocate
989 * Enable or change the number of VFs
991 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
993 #ifdef CONFIG_PCI_IOV
994 struct i40e_pf *pf = pci_get_drvdata(pdev);
995 int pre_existing_vfs = pci_num_vf(pdev);
998 if (test_bit(__I40E_TESTING, &pf->state)) {
1000 "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n");
1005 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
1007 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
1010 if (num_vfs > pf->num_req_vfs) {
1011 dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
1012 num_vfs, pf->num_req_vfs);
1017 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
1018 err = i40e_alloc_vfs(pf, num_vfs);
1020 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
1034 * i40e_pci_sriov_configure
1035 * @pdev: pointer to a pci_dev structure
1036 * @num_vfs: number of VFs to allocate
1038 * Enable or change the number of VFs. Called when the user updates the number
1041 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1043 struct i40e_pf *pf = pci_get_drvdata(pdev);
1046 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
1047 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
1048 i40e_do_reset_safe(pf,
1049 BIT_ULL(__I40E_PF_RESET_REQUESTED));
1051 return i40e_pci_sriov_enable(pdev, num_vfs);
1054 if (!pci_vfs_assigned(pf->pdev)) {
1056 pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
1057 i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED));
1059 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1065 /***********************virtual channel routines******************/
1068 * i40e_vc_send_msg_to_vf
1069 * @vf: pointer to the VF info
1070 * @v_opcode: virtual channel opcode
1071 * @v_retval: virtual channel return value
1072 * @msg: pointer to the msg buffer
1073 * @msglen: msg length
1077 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1078 u32 v_retval, u8 *msg, u16 msglen)
1085 /* validate the request */
1086 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1091 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1093 /* single place to detect unsuccessful return values */
1095 vf->num_invalid_msgs++;
1096 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
1097 v_opcode, v_retval);
1098 if (vf->num_invalid_msgs >
1099 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1100 dev_err(&pf->pdev->dev,
1101 "Number of invalid messages exceeded for VF %d\n",
1103 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1104 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1107 vf->num_valid_msgs++;
1108 /* reset the invalid counter, if a valid message is received. */
1109 vf->num_invalid_msgs = 0;
1112 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1115 dev_err(&pf->pdev->dev,
1116 "Unable to send the message to VF %d aq_err %d\n",
1117 vf->vf_id, pf->hw.aq.asq_last_status);
1125 * i40e_vc_send_resp_to_vf
1126 * @vf: pointer to the VF info
1127 * @opcode: operation code
1128 * @retval: return value
1130 * send resp msg to VF
1132 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1133 enum i40e_virtchnl_ops opcode,
1136 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1140 * i40e_vc_get_version_msg
1141 * @vf: pointer to the VF info
1143 * called from the VF to request the API version used by the PF
1145 static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg)
1147 struct i40e_virtchnl_version_info info = {
1148 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1151 vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg;
1152 /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
1154 info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
1155 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1156 I40E_SUCCESS, (u8 *)&info,
1158 i40e_virtchnl_version_info));
1162 * i40e_vc_get_vf_resources_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 request its resources
1169 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg)
1171 struct i40e_virtchnl_vf_resource *vfres = NULL;
1172 struct i40e_pf *pf = vf->pf;
1173 i40e_status aq_ret = 0;
1174 struct i40e_vsi *vsi;
1179 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1180 aq_ret = I40E_ERR_PARAM;
1184 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1185 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1187 vfres = kzalloc(len, GFP_KERNEL);
1189 aq_ret = I40E_ERR_NO_MEMORY;
1194 vf->driver_caps = *(u32 *)msg;
1196 vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
1197 I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
1198 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1200 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1201 vsi = pf->vsi[vf->lan_vsi_idx];
1202 if (!vsi->info.pvid)
1203 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1204 if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
1205 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ)
1206 vfres->vf_offload_flags |=
1207 I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ;
1209 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG;
1212 if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING)
1213 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
1215 vfres->num_vsis = num_vsis;
1216 vfres->num_queue_pairs = vf->num_queue_pairs;
1217 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1218 if (vf->lan_vsi_idx) {
1219 vfres->vsi_res[i].vsi_id = vf->lan_vsi_id;
1220 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1221 vfres->vsi_res[i].num_queue_pairs = vsi->alloc_queue_pairs;
1222 /* VFs only use TC 0 */
1223 vfres->vsi_res[i].qset_handle
1224 = le16_to_cpu(vsi->info.qs_handle[0]);
1225 ether_addr_copy(vfres->vsi_res[i].default_mac_addr,
1226 vf->default_lan_addr.addr);
1229 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1232 /* send the response back to the VF */
1233 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1234 aq_ret, (u8 *)vfres, len);
1241 * i40e_vc_reset_vf_msg
1242 * @vf: pointer to the VF info
1243 * @msg: pointer to the msg buffer
1244 * @msglen: msg length
1246 * called from the VF to reset itself,
1247 * unlike other virtchnl messages, PF driver
1248 * doesn't send the response back to the VF
1250 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1252 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1253 i40e_reset_vf(vf, false);
1257 * i40e_vc_config_promiscuous_mode_msg
1258 * @vf: pointer to the VF info
1259 * @msg: pointer to the msg buffer
1260 * @msglen: msg length
1262 * called from the VF to configure the promiscuous mode of
1265 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1266 u8 *msg, u16 msglen)
1268 struct i40e_virtchnl_promisc_info *info =
1269 (struct i40e_virtchnl_promisc_info *)msg;
1270 struct i40e_pf *pf = vf->pf;
1271 struct i40e_hw *hw = &pf->hw;
1272 struct i40e_vsi *vsi;
1273 bool allmulti = false;
1276 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1277 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1278 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1279 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1280 (vsi->type != I40E_VSI_FCOE)) {
1281 aq_ret = I40E_ERR_PARAM;
1284 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1286 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1290 /* send the response to the VF */
1291 return i40e_vc_send_resp_to_vf(vf,
1292 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1297 * i40e_vc_config_queues_msg
1298 * @vf: pointer to the VF info
1299 * @msg: pointer to the msg buffer
1300 * @msglen: msg length
1302 * called from the VF to configure the rx/tx
1305 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1307 struct i40e_virtchnl_vsi_queue_config_info *qci =
1308 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1309 struct i40e_virtchnl_queue_pair_info *qpi;
1310 struct i40e_pf *pf = vf->pf;
1311 u16 vsi_id, vsi_queue_id;
1312 i40e_status aq_ret = 0;
1315 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1316 aq_ret = I40E_ERR_PARAM;
1320 vsi_id = qci->vsi_id;
1321 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1322 aq_ret = I40E_ERR_PARAM;
1325 for (i = 0; i < qci->num_queue_pairs; i++) {
1326 qpi = &qci->qpair[i];
1327 vsi_queue_id = qpi->txq.queue_id;
1328 if ((qpi->txq.vsi_id != vsi_id) ||
1329 (qpi->rxq.vsi_id != vsi_id) ||
1330 (qpi->rxq.queue_id != vsi_queue_id) ||
1331 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1332 aq_ret = I40E_ERR_PARAM;
1336 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1338 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1340 aq_ret = I40E_ERR_PARAM;
1344 /* set vsi num_queue_pairs in use to num configured by VF */
1345 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1348 /* send the response to the VF */
1349 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1354 * i40e_vc_config_irq_map_msg
1355 * @vf: pointer to the VF info
1356 * @msg: pointer to the msg buffer
1357 * @msglen: msg length
1359 * called from the VF to configure the irq to
1362 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1364 struct i40e_virtchnl_irq_map_info *irqmap_info =
1365 (struct i40e_virtchnl_irq_map_info *)msg;
1366 struct i40e_virtchnl_vector_map *map;
1367 u16 vsi_id, vsi_queue_id, vector_id;
1368 i40e_status aq_ret = 0;
1369 unsigned long tempmap;
1372 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1373 aq_ret = I40E_ERR_PARAM;
1377 for (i = 0; i < irqmap_info->num_vectors; i++) {
1378 map = &irqmap_info->vecmap[i];
1380 vector_id = map->vector_id;
1381 vsi_id = map->vsi_id;
1382 /* validate msg params */
1383 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1384 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1385 aq_ret = I40E_ERR_PARAM;
1389 /* lookout for the invalid queue index */
1390 tempmap = map->rxq_map;
1391 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1392 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1394 aq_ret = I40E_ERR_PARAM;
1399 tempmap = map->txq_map;
1400 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1401 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1403 aq_ret = I40E_ERR_PARAM;
1408 i40e_config_irq_link_list(vf, vsi_id, map);
1411 /* send the response to the VF */
1412 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1417 * i40e_vc_enable_queues_msg
1418 * @vf: pointer to the VF info
1419 * @msg: pointer to the msg buffer
1420 * @msglen: msg length
1422 * called from the VF to enable all or specific queue(s)
1424 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1426 struct i40e_virtchnl_queue_select *vqs =
1427 (struct i40e_virtchnl_queue_select *)msg;
1428 struct i40e_pf *pf = vf->pf;
1429 u16 vsi_id = vqs->vsi_id;
1430 i40e_status aq_ret = 0;
1432 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1433 aq_ret = I40E_ERR_PARAM;
1437 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1438 aq_ret = I40E_ERR_PARAM;
1442 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1443 aq_ret = I40E_ERR_PARAM;
1447 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true))
1448 aq_ret = I40E_ERR_TIMEOUT;
1450 /* send the response to the VF */
1451 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1456 * i40e_vc_disable_queues_msg
1457 * @vf: pointer to the VF info
1458 * @msg: pointer to the msg buffer
1459 * @msglen: msg length
1461 * called from the VF to disable all or specific
1464 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1466 struct i40e_virtchnl_queue_select *vqs =
1467 (struct i40e_virtchnl_queue_select *)msg;
1468 struct i40e_pf *pf = vf->pf;
1469 i40e_status aq_ret = 0;
1471 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1472 aq_ret = I40E_ERR_PARAM;
1476 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1477 aq_ret = I40E_ERR_PARAM;
1481 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1482 aq_ret = I40E_ERR_PARAM;
1486 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false))
1487 aq_ret = I40E_ERR_TIMEOUT;
1490 /* send the response to the VF */
1491 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1496 * i40e_vc_get_stats_msg
1497 * @vf: pointer to the VF info
1498 * @msg: pointer to the msg buffer
1499 * @msglen: msg length
1501 * called from the VF to get vsi stats
1503 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1505 struct i40e_virtchnl_queue_select *vqs =
1506 (struct i40e_virtchnl_queue_select *)msg;
1507 struct i40e_pf *pf = vf->pf;
1508 struct i40e_eth_stats stats;
1509 i40e_status aq_ret = 0;
1510 struct i40e_vsi *vsi;
1512 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1514 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1515 aq_ret = I40E_ERR_PARAM;
1519 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1520 aq_ret = I40E_ERR_PARAM;
1524 vsi = pf->vsi[vf->lan_vsi_idx];
1526 aq_ret = I40E_ERR_PARAM;
1529 i40e_update_eth_stats(vsi);
1530 stats = vsi->eth_stats;
1533 /* send the response back to the VF */
1534 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1535 (u8 *)&stats, sizeof(stats));
1539 * i40e_check_vf_permission
1540 * @vf: pointer to the VF info
1541 * @macaddr: pointer to the MAC Address being checked
1543 * Check if the VF has permission to add or delete unicast MAC address
1544 * filters and return error code -EPERM if not. Then check if the
1545 * address filter requested is broadcast or zero and if so return
1546 * an invalid MAC address error code.
1548 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1550 struct i40e_pf *pf = vf->pf;
1553 if (is_broadcast_ether_addr(macaddr) ||
1554 is_zero_ether_addr(macaddr)) {
1555 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1556 ret = I40E_ERR_INVALID_MAC_ADDR;
1557 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1558 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1559 /* If the host VMM administrator has set the VF MAC address
1560 * administratively via the ndo_set_vf_mac command then deny
1561 * permission to the VF to add or delete unicast MAC addresses.
1562 * The VF may request to set the MAC address filter already
1563 * assigned to it so do not return an error in that case.
1565 dev_err(&pf->pdev->dev,
1566 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1573 * i40e_vc_add_mac_addr_msg
1574 * @vf: pointer to the VF info
1575 * @msg: pointer to the msg buffer
1576 * @msglen: msg length
1578 * add guest mac address filter
1580 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1582 struct i40e_virtchnl_ether_addr_list *al =
1583 (struct i40e_virtchnl_ether_addr_list *)msg;
1584 struct i40e_pf *pf = vf->pf;
1585 struct i40e_vsi *vsi = NULL;
1586 u16 vsi_id = al->vsi_id;
1587 i40e_status ret = 0;
1590 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1591 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1592 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1593 ret = I40E_ERR_PARAM;
1597 for (i = 0; i < al->num_elements; i++) {
1598 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1602 vsi = pf->vsi[vf->lan_vsi_idx];
1604 /* Lock once, because all function inside for loop accesses VSI's
1605 * MAC filter list which needs to be protected using same lock.
1607 spin_lock_bh(&vsi->mac_filter_list_lock);
1609 /* add new addresses to the list */
1610 for (i = 0; i < al->num_elements; i++) {
1611 struct i40e_mac_filter *f;
1613 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1615 if (i40e_is_vsi_in_vlan(vsi))
1616 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1619 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1624 dev_err(&pf->pdev->dev,
1625 "Unable to add VF MAC filter\n");
1626 ret = I40E_ERR_PARAM;
1627 spin_unlock_bh(&vsi->mac_filter_list_lock);
1631 spin_unlock_bh(&vsi->mac_filter_list_lock);
1633 /* program the updated filter list */
1634 if (i40e_sync_vsi_filters(vsi, false))
1635 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1638 /* send the response to the VF */
1639 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1644 * i40e_vc_del_mac_addr_msg
1645 * @vf: pointer to the VF info
1646 * @msg: pointer to the msg buffer
1647 * @msglen: msg length
1649 * remove guest mac address filter
1651 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1653 struct i40e_virtchnl_ether_addr_list *al =
1654 (struct i40e_virtchnl_ether_addr_list *)msg;
1655 struct i40e_pf *pf = vf->pf;
1656 struct i40e_vsi *vsi = NULL;
1657 u16 vsi_id = al->vsi_id;
1658 i40e_status ret = 0;
1661 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1662 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1663 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1664 ret = I40E_ERR_PARAM;
1668 for (i = 0; i < al->num_elements; i++) {
1669 if (is_broadcast_ether_addr(al->list[i].addr) ||
1670 is_zero_ether_addr(al->list[i].addr)) {
1671 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1673 ret = I40E_ERR_INVALID_MAC_ADDR;
1677 vsi = pf->vsi[vf->lan_vsi_idx];
1679 spin_lock_bh(&vsi->mac_filter_list_lock);
1680 /* delete addresses from the list */
1681 for (i = 0; i < al->num_elements; i++)
1682 i40e_del_filter(vsi, al->list[i].addr,
1683 I40E_VLAN_ANY, true, false);
1684 spin_unlock_bh(&vsi->mac_filter_list_lock);
1686 /* program the updated filter list */
1687 if (i40e_sync_vsi_filters(vsi, false))
1688 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1691 /* send the response to the VF */
1692 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1697 * i40e_vc_add_vlan_msg
1698 * @vf: pointer to the VF info
1699 * @msg: pointer to the msg buffer
1700 * @msglen: msg length
1702 * program guest vlan id
1704 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1706 struct i40e_virtchnl_vlan_filter_list *vfl =
1707 (struct i40e_virtchnl_vlan_filter_list *)msg;
1708 struct i40e_pf *pf = vf->pf;
1709 struct i40e_vsi *vsi = NULL;
1710 u16 vsi_id = vfl->vsi_id;
1711 i40e_status aq_ret = 0;
1714 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1715 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1716 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1717 aq_ret = I40E_ERR_PARAM;
1721 for (i = 0; i < vfl->num_elements; i++) {
1722 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1723 aq_ret = I40E_ERR_PARAM;
1724 dev_err(&pf->pdev->dev,
1725 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1729 vsi = pf->vsi[vf->lan_vsi_idx];
1730 if (vsi->info.pvid) {
1731 aq_ret = I40E_ERR_PARAM;
1735 i40e_vlan_stripping_enable(vsi);
1736 for (i = 0; i < vfl->num_elements; i++) {
1737 /* add new VLAN filter */
1738 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1741 dev_err(&pf->pdev->dev,
1742 "Unable to add VF vlan filter %d, error %d\n",
1743 vfl->vlan_id[i], ret);
1747 /* send the response to the VF */
1748 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1752 * i40e_vc_remove_vlan_msg
1753 * @vf: pointer to the VF info
1754 * @msg: pointer to the msg buffer
1755 * @msglen: msg length
1757 * remove programmed guest vlan id
1759 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1761 struct i40e_virtchnl_vlan_filter_list *vfl =
1762 (struct i40e_virtchnl_vlan_filter_list *)msg;
1763 struct i40e_pf *pf = vf->pf;
1764 struct i40e_vsi *vsi = NULL;
1765 u16 vsi_id = vfl->vsi_id;
1766 i40e_status aq_ret = 0;
1769 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1770 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1771 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1772 aq_ret = I40E_ERR_PARAM;
1776 for (i = 0; i < vfl->num_elements; i++) {
1777 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1778 aq_ret = I40E_ERR_PARAM;
1783 vsi = pf->vsi[vf->lan_vsi_idx];
1784 if (vsi->info.pvid) {
1785 aq_ret = I40E_ERR_PARAM;
1789 for (i = 0; i < vfl->num_elements; i++) {
1790 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1793 dev_err(&pf->pdev->dev,
1794 "Unable to delete VF vlan filter %d, error %d\n",
1795 vfl->vlan_id[i], ret);
1799 /* send the response to the VF */
1800 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1804 * i40e_vc_validate_vf_msg
1805 * @vf: pointer to the VF info
1806 * @msg: pointer to the msg buffer
1807 * @msglen: msg length
1808 * @msghndl: msg handle
1812 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1813 u32 v_retval, u8 *msg, u16 msglen)
1815 bool err_msg_format = false;
1818 /* Check if VF is disabled. */
1819 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1820 return I40E_ERR_PARAM;
1822 /* Validate message length. */
1824 case I40E_VIRTCHNL_OP_VERSION:
1825 valid_len = sizeof(struct i40e_virtchnl_version_info);
1827 case I40E_VIRTCHNL_OP_RESET_VF:
1830 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1832 valid_len = sizeof(u32);
1836 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1837 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1839 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1840 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1842 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1843 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1844 if (msglen >= valid_len) {
1845 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1846 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1847 valid_len += (vqc->num_queue_pairs *
1849 i40e_virtchnl_queue_pair_info));
1850 if (vqc->num_queue_pairs == 0)
1851 err_msg_format = true;
1854 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1855 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1856 if (msglen >= valid_len) {
1857 struct i40e_virtchnl_irq_map_info *vimi =
1858 (struct i40e_virtchnl_irq_map_info *)msg;
1859 valid_len += (vimi->num_vectors *
1860 sizeof(struct i40e_virtchnl_vector_map));
1861 if (vimi->num_vectors == 0)
1862 err_msg_format = true;
1865 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1866 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1867 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1869 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1870 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1871 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1872 if (msglen >= valid_len) {
1873 struct i40e_virtchnl_ether_addr_list *veal =
1874 (struct i40e_virtchnl_ether_addr_list *)msg;
1875 valid_len += veal->num_elements *
1876 sizeof(struct i40e_virtchnl_ether_addr);
1877 if (veal->num_elements == 0)
1878 err_msg_format = true;
1881 case I40E_VIRTCHNL_OP_ADD_VLAN:
1882 case I40E_VIRTCHNL_OP_DEL_VLAN:
1883 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1884 if (msglen >= valid_len) {
1885 struct i40e_virtchnl_vlan_filter_list *vfl =
1886 (struct i40e_virtchnl_vlan_filter_list *)msg;
1887 valid_len += vfl->num_elements * sizeof(u16);
1888 if (vfl->num_elements == 0)
1889 err_msg_format = true;
1892 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1893 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1895 case I40E_VIRTCHNL_OP_GET_STATS:
1896 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1898 /* These are always errors coming from the VF. */
1899 case I40E_VIRTCHNL_OP_EVENT:
1900 case I40E_VIRTCHNL_OP_UNKNOWN:
1904 /* few more checks */
1905 if ((valid_len != msglen) || (err_msg_format)) {
1906 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1914 * i40e_vc_process_vf_msg
1915 * @pf: pointer to the PF structure
1916 * @vf_id: source VF id
1917 * @msg: pointer to the msg buffer
1918 * @msglen: msg length
1919 * @msghndl: msg handle
1921 * called from the common aeq/arq handler to
1922 * process request from VF
1924 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1925 u32 v_retval, u8 *msg, u16 msglen)
1927 struct i40e_hw *hw = &pf->hw;
1928 unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1932 pf->vf_aq_requests++;
1933 if (local_vf_id >= pf->num_alloc_vfs)
1935 vf = &(pf->vf[local_vf_id]);
1936 /* perform basic checks on the msg */
1937 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1940 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
1941 local_vf_id, v_opcode, msglen);
1946 case I40E_VIRTCHNL_OP_VERSION:
1947 ret = i40e_vc_get_version_msg(vf, msg);
1949 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1950 ret = i40e_vc_get_vf_resources_msg(vf, msg);
1952 case I40E_VIRTCHNL_OP_RESET_VF:
1953 i40e_vc_reset_vf_msg(vf);
1956 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1957 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1959 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1960 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1962 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1963 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1965 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1966 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1967 i40e_vc_notify_vf_link_state(vf);
1969 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1970 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1972 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1973 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1975 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1976 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1978 case I40E_VIRTCHNL_OP_ADD_VLAN:
1979 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1981 case I40E_VIRTCHNL_OP_DEL_VLAN:
1982 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1984 case I40E_VIRTCHNL_OP_GET_STATS:
1985 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1987 case I40E_VIRTCHNL_OP_UNKNOWN:
1989 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
1990 v_opcode, local_vf_id);
1991 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1992 I40E_ERR_NOT_IMPLEMENTED);
2000 * i40e_vc_process_vflr_event
2001 * @pf: pointer to the PF structure
2003 * called from the vlfr irq handler to
2004 * free up VF resources and state variables
2006 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
2008 u32 reg, reg_idx, bit_idx, vf_id;
2009 struct i40e_hw *hw = &pf->hw;
2012 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
2015 /* re-enable vflr interrupt cause */
2016 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
2017 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
2018 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
2021 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
2022 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
2023 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
2024 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
2025 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
2026 vf = &pf->vf[vf_id];
2027 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
2028 if (reg & BIT(bit_idx)) {
2029 /* clear the bit in GLGEN_VFLRSTAT */
2030 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx));
2032 if (!test_bit(__I40E_DOWN, &pf->state))
2033 i40e_reset_vf(vf, true);
2041 * i40e_ndo_set_vf_mac
2042 * @netdev: network interface device structure
2043 * @vf_id: VF identifier
2046 * program VF mac address
2048 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
2050 struct i40e_netdev_priv *np = netdev_priv(netdev);
2051 struct i40e_vsi *vsi = np->vsi;
2052 struct i40e_pf *pf = vsi->back;
2053 struct i40e_mac_filter *f;
2057 /* validate the request */
2058 if (vf_id >= pf->num_alloc_vfs) {
2059 dev_err(&pf->pdev->dev,
2060 "Invalid VF Identifier %d\n", vf_id);
2065 vf = &(pf->vf[vf_id]);
2066 vsi = pf->vsi[vf->lan_vsi_idx];
2067 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2068 dev_err(&pf->pdev->dev,
2069 "Uninitialized VF %d\n", vf_id);
2074 if (!is_valid_ether_addr(mac)) {
2075 dev_err(&pf->pdev->dev,
2076 "Invalid VF ethernet address\n");
2081 /* Lock once because below invoked function add/del_filter requires
2082 * mac_filter_list_lock to be held
2084 spin_lock_bh(&vsi->mac_filter_list_lock);
2086 /* delete the temporary mac address */
2087 i40e_del_filter(vsi, vf->default_lan_addr.addr,
2088 vf->port_vlan_id ? vf->port_vlan_id : -1,
2091 /* Delete all the filters for this VSI - we're going to kill it
2094 list_for_each_entry(f, &vsi->mac_filter_list, list)
2095 i40e_del_filter(vsi, f->macaddr, f->vlan, true, false);
2097 spin_unlock_bh(&vsi->mac_filter_list_lock);
2099 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2100 /* program mac filter */
2101 if (i40e_sync_vsi_filters(vsi, false)) {
2102 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2106 ether_addr_copy(vf->default_lan_addr.addr, mac);
2107 vf->pf_set_mac = true;
2108 /* Force the VF driver stop so it has to reload with new MAC address */
2109 i40e_vc_disable_vf(pf, vf);
2110 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2117 * i40e_ndo_set_vf_port_vlan
2118 * @netdev: network interface device structure
2119 * @vf_id: VF identifier
2120 * @vlan_id: mac address
2121 * @qos: priority setting
2123 * program VF vlan id and/or qos
2125 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2126 int vf_id, u16 vlan_id, u8 qos)
2128 u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT);
2129 struct i40e_netdev_priv *np = netdev_priv(netdev);
2130 struct i40e_pf *pf = np->vsi->back;
2131 bool is_vsi_in_vlan = false;
2132 struct i40e_vsi *vsi;
2136 /* validate the request */
2137 if (vf_id >= pf->num_alloc_vfs) {
2138 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2143 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2144 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2149 vf = &(pf->vf[vf_id]);
2150 vsi = pf->vsi[vf->lan_vsi_idx];
2151 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2152 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2157 if (le16_to_cpu(vsi->info.pvid) == vlanprio)
2158 /* duplicate request, so just return success */
2161 spin_lock_bh(&vsi->mac_filter_list_lock);
2162 is_vsi_in_vlan = i40e_is_vsi_in_vlan(vsi);
2163 spin_unlock_bh(&vsi->mac_filter_list_lock);
2165 if (le16_to_cpu(vsi->info.pvid) == 0 && is_vsi_in_vlan) {
2166 dev_err(&pf->pdev->dev,
2167 "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",
2169 /* Administrator Error - knock the VF offline until he does
2170 * the right thing by reconfiguring his network correctly
2171 * and then reloading the VF driver.
2173 i40e_vc_disable_vf(pf, vf);
2176 /* Check for condition where there was already a port VLAN ID
2177 * filter set and now it is being deleted by setting it to zero.
2178 * Additionally check for the condition where there was a port
2179 * VLAN but now there is a new and different port VLAN being set.
2180 * Before deleting all the old VLAN filters we must add new ones
2181 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2182 * MAC addresses deleted.
2184 if ((!(vlan_id || qos) ||
2185 vlanprio != le16_to_cpu(vsi->info.pvid)) &&
2187 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2189 if (vsi->info.pvid) {
2191 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2194 dev_info(&vsi->back->pdev->dev,
2195 "remove VLAN failed, ret=%d, aq_err=%d\n",
2196 ret, pf->hw.aq.asq_last_status);
2200 ret = i40e_vsi_add_pvid(vsi, vlanprio);
2202 i40e_vsi_remove_pvid(vsi);
2205 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2206 vlan_id, qos, vf_id);
2208 /* add new VLAN filter */
2209 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2211 dev_info(&vsi->back->pdev->dev,
2212 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2213 vsi->back->hw.aq.asq_last_status);
2216 /* Kill non-vlan MAC filters - ignore error return since
2217 * there might not be any non-vlan MAC filters.
2219 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2223 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2226 /* The Port VLAN needs to be saved across resets the same as the
2227 * default LAN MAC address.
2229 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2236 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2237 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2239 * i40e_ndo_set_vf_bw
2240 * @netdev: network interface device structure
2241 * @vf_id: VF identifier
2244 * configure VF Tx rate
2246 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2249 struct i40e_netdev_priv *np = netdev_priv(netdev);
2250 struct i40e_pf *pf = np->vsi->back;
2251 struct i40e_vsi *vsi;
2256 /* validate the request */
2257 if (vf_id >= pf->num_alloc_vfs) {
2258 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2264 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2265 min_tx_rate, vf_id);
2269 vf = &(pf->vf[vf_id]);
2270 vsi = pf->vsi[vf->lan_vsi_idx];
2271 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2272 dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id);
2277 switch (pf->hw.phy.link_info.link_speed) {
2278 case I40E_LINK_SPEED_40GB:
2281 case I40E_LINK_SPEED_10GB:
2284 case I40E_LINK_SPEED_1GB:
2291 if (max_tx_rate > speed) {
2292 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.",
2293 max_tx_rate, vf->vf_id);
2298 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2299 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2303 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2304 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2305 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2306 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2308 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2313 vf->tx_rate = max_tx_rate;
2319 * i40e_ndo_get_vf_config
2320 * @netdev: network interface device structure
2321 * @vf_id: VF identifier
2322 * @ivi: VF configuration structure
2324 * return VF configuration
2326 int i40e_ndo_get_vf_config(struct net_device *netdev,
2327 int vf_id, struct ifla_vf_info *ivi)
2329 struct i40e_netdev_priv *np = netdev_priv(netdev);
2330 struct i40e_vsi *vsi = np->vsi;
2331 struct i40e_pf *pf = vsi->back;
2335 /* validate the request */
2336 if (vf_id >= pf->num_alloc_vfs) {
2337 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2342 vf = &(pf->vf[vf_id]);
2343 /* first vsi is always the LAN vsi */
2344 vsi = pf->vsi[vf->lan_vsi_idx];
2345 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2346 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2353 ether_addr_copy(ivi->mac, vf->default_lan_addr.addr);
2355 ivi->max_tx_rate = vf->tx_rate;
2356 ivi->min_tx_rate = 0;
2357 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2358 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2359 I40E_VLAN_PRIORITY_SHIFT;
2360 if (vf->link_forced == false)
2361 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2362 else if (vf->link_up == true)
2363 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2365 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2366 ivi->spoofchk = vf->spoofchk;
2374 * i40e_ndo_set_vf_link_state
2375 * @netdev: network interface device structure
2376 * @vf_id: VF identifier
2377 * @link: required link state
2379 * Set the link state of a specified VF, regardless of physical link state
2381 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2383 struct i40e_netdev_priv *np = netdev_priv(netdev);
2384 struct i40e_pf *pf = np->vsi->back;
2385 struct i40e_virtchnl_pf_event pfe;
2386 struct i40e_hw *hw = &pf->hw;
2391 /* validate the request */
2392 if (vf_id >= pf->num_alloc_vfs) {
2393 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2398 vf = &pf->vf[vf_id];
2399 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
2401 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2402 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2405 case IFLA_VF_LINK_STATE_AUTO:
2406 vf->link_forced = false;
2407 pfe.event_data.link_event.link_status =
2408 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2409 pfe.event_data.link_event.link_speed =
2410 pf->hw.phy.link_info.link_speed;
2412 case IFLA_VF_LINK_STATE_ENABLE:
2413 vf->link_forced = true;
2415 pfe.event_data.link_event.link_status = true;
2416 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2418 case IFLA_VF_LINK_STATE_DISABLE:
2419 vf->link_forced = true;
2420 vf->link_up = false;
2421 pfe.event_data.link_event.link_status = false;
2422 pfe.event_data.link_event.link_speed = 0;
2428 /* Notify the VF of its new link state */
2429 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
2430 0, (u8 *)&pfe, sizeof(pfe), NULL);
2437 * i40e_ndo_set_vf_spoofchk
2438 * @netdev: network interface device structure
2439 * @vf_id: VF identifier
2440 * @enable: flag to enable or disable feature
2442 * Enable or disable VF spoof checking
2444 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
2446 struct i40e_netdev_priv *np = netdev_priv(netdev);
2447 struct i40e_vsi *vsi = np->vsi;
2448 struct i40e_pf *pf = vsi->back;
2449 struct i40e_vsi_context ctxt;
2450 struct i40e_hw *hw = &pf->hw;
2454 /* validate the request */
2455 if (vf_id >= pf->num_alloc_vfs) {
2456 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2461 vf = &(pf->vf[vf_id]);
2463 if (enable == vf->spoofchk)
2466 vf->spoofchk = enable;
2467 memset(&ctxt, 0, sizeof(ctxt));
2468 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
2469 ctxt.pf_num = pf->hw.pf_id;
2470 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
2472 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
2473 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
2474 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
2476 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",