1	// SPDX-License-Identifier: GPL-2.0
2	/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4	#include <linux/types.h>
5	#include <linux/module.h>
6	#include <linux/pci.h>
7	#include <linux/netdevice.h>
8	#include <linux/vmalloc.h>
9	#include <linux/string.h>
10	#include <linux/in.h>
11	#include <linux/ip.h>
12	#include <linux/tcp.h>
13	#include <linux/ipv6.h>
14	#include <linux/if_bridge.h>
15	#ifdef NETIF_F_HW_VLAN_CTAG_TX
16	#include <linux/if_vlan.h>
17	#endif
18
19	#include "ixgbe.h"
20	#include "ixgbe_type.h"
21	#include "ixgbe_sriov.h"
22
23	#ifdef CONFIG_PCI_IOV
24	static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
25	unsigned int num_vfs)
26	{
27	struct ixgbe_hw *hw = &adapter->hw;
28	struct vf_macvlans *mv_list;
29	int num_vf_macvlans, i;
30
31	/* Initialize list of VF macvlans */
32	INIT_LIST_HEAD(list: &adapter->vf_mvs.l);
33
34	num_vf_macvlans = hw->mac.num_rar_entries -
35	(IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
36	if (!num_vf_macvlans)
37	return;
38
39	mv_list = kcalloc(n: num_vf_macvlans, size: sizeof(struct vf_macvlans),
40	GFP_KERNEL);
41	if (mv_list) {
42	for (i = 0; i < num_vf_macvlans; i++) {
43	mv_list[i].vf = -1;
44	mv_list[i].free = true;
45	list_add(new: &mv_list[i].l, head: &adapter->vf_mvs.l);
46	}
47	adapter->mv_list = mv_list;
48	}
49	}
50
51	static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
52	unsigned int num_vfs)
53	{
54	struct ixgbe_hw *hw = &adapter->hw;
55	int i;
56
57	if (adapter->xdp_prog) {
58	e_warn(probe, "SRIOV is not supported with XDP\n");
59	return -EINVAL;
60	}
61
62	/* Enable VMDq flag so device will be set in VM mode */
63	adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED |
64	IXGBE_FLAG_VMDQ_ENABLED;
65
66	/* Allocate memory for per VF control structures */
67	adapter->vfinfo = kcalloc(n: num_vfs, size: sizeof(struct vf_data_storage),
68	GFP_KERNEL);
69	if (!adapter->vfinfo)
70	return -ENOMEM;
71
72	adapter->num_vfs = num_vfs;
73
74	ixgbe_alloc_vf_macvlans(adapter, num_vfs);
75	adapter->ring_feature[RING_F_VMDQ].offset = num_vfs;
76
77	/* Initialize default switching mode VEB */
78	IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
79	adapter->bridge_mode = BRIDGE_MODE_VEB;
80
81	/* limit traffic classes based on VFs enabled */
82	if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && (num_vfs < 16)) {
83	adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
84	adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
85	} else if (num_vfs < 32) {
86	adapter->dcb_cfg.num_tcs.pg_tcs = 4;
87	adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
88	} else {
89	adapter->dcb_cfg.num_tcs.pg_tcs = 1;
90	adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
91	}
92
93	/* Disable RSC when in SR-IOV mode */
94	adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
95	IXGBE_FLAG2_RSC_ENABLED);
96
97	for (i = 0; i < num_vfs; i++) {
98	/* enable spoof checking for all VFs */
99	adapter->vfinfo[i].spoofchk_enabled = true;
100	adapter->vfinfo[i].link_enable = true;
101
102	/* We support VF RSS querying only for 82599 and x540
103	* devices at the moment. These devices share RSS
104	* indirection table and RSS hash key with PF therefore
105	* we want to disable the querying by default.
106	*/
107	adapter->vfinfo[i].rss_query_enabled = false;
108
109	/* Untrust all VFs */
110	adapter->vfinfo[i].trusted = false;
111
112	/* set the default xcast mode */
113	adapter->vfinfo[i].xcast_mode = IXGBEVF_XCAST_MODE_NONE;
114	}
115
116	e_info(probe, "SR-IOV enabled with %d VFs\n", num_vfs);
117	return 0;
118	}
119
120	/**
121	* ixgbe_get_vfs - Find and take references to all vf devices
122	* @adapter: Pointer to adapter struct
123	*/
124	static void ixgbe_get_vfs(struct ixgbe_adapter *adapter)
125	{
126	struct pci_dev *pdev = adapter->pdev;
127	u16 vendor = pdev->vendor;
128	struct pci_dev *vfdev;
129	int vf = 0;
130	u16 vf_id;
131	int pos;
132
133	pos = pci_find_ext_capability(dev: pdev, PCI_EXT_CAP_ID_SRIOV);
134	if (!pos)
135	return;
136	pci_read_config_word(dev: pdev, where: pos + PCI_SRIOV_VF_DID, val: &vf_id);
137
138	vfdev = pci_get_device(vendor, device: vf_id, NULL);
139	for (; vfdev; vfdev = pci_get_device(vendor, device: vf_id, from: vfdev)) {
140	if (!vfdev->is_virtfn)
141	continue;
142	if (vfdev->physfn != pdev)
143	continue;
144	if (vf >= adapter->num_vfs)
145	continue;
146	pci_dev_get(dev: vfdev);
147	adapter->vfinfo[vf].vfdev = vfdev;
148	++vf;
149	}
150	}
151
152	/* Note this function is called when the user wants to enable SR-IOV
153	* VFs using the now deprecated module parameter
154	*/
155	void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs)
156	{
157	int pre_existing_vfs = 0;
158	unsigned int num_vfs;
159
160	pre_existing_vfs = pci_num_vf(dev: adapter->pdev);
161	if (!pre_existing_vfs && !max_vfs)
162	return;
163
164	/* If there are pre-existing VFs then we have to force
165	* use of that many - over ride any module parameter value.
166	* This may result from the user unloading the PF driver
167	* while VFs were assigned to guest VMs or because the VFs
168	* have been created via the new PCI SR-IOV sysfs interface.
169	*/
170	if (pre_existing_vfs) {
171	num_vfs = pre_existing_vfs;
172	dev_warn(&adapter->pdev->dev,
173	"Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n");
174	} else {
175	int err;
176	/*
177	* The 82599 supports up to 64 VFs per physical function
178	* but this implementation limits allocation to 63 so that
179	* basic networking resources are still available to the
180	* physical function. If the user requests greater than
181	* 63 VFs then it is an error - reset to default of zero.
182	*/
183	num_vfs = min_t(unsigned int, max_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
184
185	err = pci_enable_sriov(dev: adapter->pdev, nr_virtfn: num_vfs);
186	if (err) {
187	e_err(probe, "Failed to enable PCI sriov: %d\n", err);
188	return;
189	}
190	}
191
192	if (!__ixgbe_enable_sriov(adapter, num_vfs)) {
193	ixgbe_get_vfs(adapter);
194	return;
195	}
196
197	/* If we have gotten to this point then there is no memory available
198	* to manage the VF devices - print message and bail.
199	*/
200	e_err(probe, "Unable to allocate memory for VF Data Storage - "
201	"SRIOV disabled\n");
202	ixgbe_disable_sriov(adapter);
203	}
204
205	#endif /* #ifdef CONFIG_PCI_IOV */
206	int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
207	{
208	unsigned int num_vfs = adapter->num_vfs, vf;
209	unsigned long flags;
210	int rss;
211
212	spin_lock_irqsave(&adapter->vfs_lock, flags);
213	/* set num VFs to 0 to prevent access to vfinfo */
214	adapter->num_vfs = 0;
215	spin_unlock_irqrestore(lock: &adapter->vfs_lock, flags);
216
217	/* put the reference to all of the vf devices */
218	for (vf = 0; vf < num_vfs; ++vf) {
219	struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev;
220
221	if (!vfdev)
222	continue;
223	adapter->vfinfo[vf].vfdev = NULL;
224	pci_dev_put(dev: vfdev);
225	}
226
227	/* free VF control structures */
228	kfree(objp: adapter->vfinfo);
229	adapter->vfinfo = NULL;
230
231	/* free macvlan list */
232	kfree(objp: adapter->mv_list);
233	adapter->mv_list = NULL;
234
235	/* if SR-IOV is already disabled then there is nothing to do */
236	if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
237	return 0;
238
239	#ifdef CONFIG_PCI_IOV
240	/*
241	* If our VFs are assigned we cannot shut down SR-IOV
242	* without causing issues, so just leave the hardware
243	* available but disabled
244	*/
245	if (pci_vfs_assigned(dev: adapter->pdev)) {
246	e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
247	return -EPERM;
248	}
249	/* disable iov and allow time for transactions to clear */
250	pci_disable_sriov(dev: adapter->pdev);
251	#endif
252
253	/* Disable VMDq flag so device will be set in VM mode */
254	if (bitmap_weight(src: adapter->fwd_bitmask, nbits: adapter->num_rx_pools) == 1) {
255	adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
256	adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
257	rss = min_t(int, ixgbe_max_rss_indices(adapter),
258	num_online_cpus());
259	} else {
260	rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
261	}
262
263	adapter->ring_feature[RING_F_VMDQ].offset = 0;
264	adapter->ring_feature[RING_F_RSS].limit = rss;
265
266	/* take a breather then clean up driver data */
267	msleep(msecs: 100);
268	return 0;
269	}
270
271	static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs)
272	{
273	#ifdef CONFIG_PCI_IOV
274	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev: dev);
275	int pre_existing_vfs = pci_num_vf(dev);
276	int err = 0, num_rx_pools, i, limit;
277	u8 num_tc;
278
279	if (pre_existing_vfs && pre_existing_vfs != num_vfs)
280	err = ixgbe_disable_sriov(adapter);
281	else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
282	return num_vfs;
283
284	if (err)
285	return err;
286
287	/* While the SR-IOV capability structure reports total VFs to be 64,
288	* we limit the actual number allocated as below based on two factors.
289	* Num_TCs MAX_VFs
290	* 1 63
291	* <=4 31
292	* >4 15
293	* First, we reserve some transmit/receive resources for the PF.
294	* Second, VMDQ also uses the same pools that SR-IOV does. We need to
295	* account for this, so that we don't accidentally allocate more VFs
296	* than we have available pools. The PCI bus driver already checks for
297	* other values out of range.
298	*/
299	num_tc = adapter->hw_tcs;
300	num_rx_pools = bitmap_weight(src: adapter->fwd_bitmask,
301	nbits: adapter->num_rx_pools);
302	limit = (num_tc > 4) ? IXGBE_MAX_VFS_8TC :
303	(num_tc > 1) ? IXGBE_MAX_VFS_4TC : IXGBE_MAX_VFS_1TC;
304
305	if (num_vfs > (limit - num_rx_pools)) {
306	e_dev_err("Currently configured with %d TCs, and %d offloaded macvlans. Creating more than %d VFs is not allowed\n",
307	num_tc, num_rx_pools - 1, limit - num_rx_pools);
308	return -EPERM;
309	}
310
311	err = __ixgbe_enable_sriov(adapter, num_vfs);
312	if (err)
313	return err;
314
315	for (i = 0; i < num_vfs; i++)
316	ixgbe_vf_configuration(pdev: dev, event_mask: (i | 0x10000000));
317
318	/* reset before enabling SRIOV to avoid mailbox issues */
319	ixgbe_sriov_reinit(adapter);
320
321	err = pci_enable_sriov(dev, nr_virtfn: num_vfs);
322	if (err) {
323	e_dev_warn("Failed to enable PCI sriov: %d\n", err);
324	return err;
325	}
326	ixgbe_get_vfs(adapter);
327
328	return num_vfs;
329	#else
330	return 0;
331	#endif
332	}
333
334	static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
335	{
336	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev: dev);
337	int err;
338	#ifdef CONFIG_PCI_IOV
339	u32 current_flags = adapter->flags;
340	int prev_num_vf = pci_num_vf(dev);
341	#endif
342
343	err = ixgbe_disable_sriov(adapter);
344
345	/* Only reinit if no error and state changed */
346	#ifdef CONFIG_PCI_IOV
347	if (!err && (current_flags != adapter->flags ||
348	prev_num_vf != pci_num_vf(dev)))
349	ixgbe_sriov_reinit(adapter);
350	#endif
351
352	return err;
353	}
354
355	int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
356	{
357	if (num_vfs == 0)
358	return ixgbe_pci_sriov_disable(dev);
359	else
360	return ixgbe_pci_sriov_enable(dev, num_vfs);
361	}
362
363	static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
364	u32 *msgbuf, u32 vf)
365	{
366	int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
367	>> IXGBE_VT_MSGINFO_SHIFT;
368	u16 *hash_list = (u16 *)&msgbuf[1];
369	struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
370	struct ixgbe_hw *hw = &adapter->hw;
371	int i;
372	u32 vector_bit;
373	u32 vector_reg;
374	u32 mta_reg;
375	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
376
377	/* only so many hash values supported */
378	entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
379
380	/*
381	* salt away the number of multi cast addresses assigned
382	* to this VF for later use to restore when the PF multi cast
383	* list changes
384	*/
385	vfinfo->num_vf_mc_hashes = entries;
386
387	/*
388	* VFs are limited to using the MTA hash table for their multicast
389	* addresses
390	*/
391	for (i = 0; i < entries; i++) {
392	vfinfo->vf_mc_hashes[i] = hash_list[i];
393	}
394
395	for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
396	vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
397	vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
398	mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
399	mta_reg |= BIT(vector_bit);
400	IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
401	}
402	vmolr |= IXGBE_VMOLR_ROMPE;
403	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
404
405	return 0;
406	}
407
408	#ifdef CONFIG_PCI_IOV
409	void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
410	{
411	struct ixgbe_hw *hw = &adapter->hw;
412	struct vf_data_storage *vfinfo;
413	int i, j;
414	u32 vector_bit;
415	u32 vector_reg;
416	u32 mta_reg;
417
418	for (i = 0; i < adapter->num_vfs; i++) {
419	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
420	vfinfo = &adapter->vfinfo[i];
421	for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
422	hw->addr_ctrl.mta_in_use++;
423	vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
424	vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
425	mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
426	mta_reg |= BIT(vector_bit);
427	IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
428	}
429
430	if (vfinfo->num_vf_mc_hashes)
431	vmolr |= IXGBE_VMOLR_ROMPE;
432	else
433	vmolr &= ~IXGBE_VMOLR_ROMPE;
434	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
435	}
436
437	/* Restore any VF macvlans */
438	ixgbe_full_sync_mac_table(adapter);
439	}
440	#endif
441
442	static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
443	u32 vf)
444	{
445	struct ixgbe_hw *hw = &adapter->hw;
446	int err;
447
448	/* If VLAN overlaps with one the PF is currently monitoring make
449	* sure that we are able to allocate a VLVF entry. This may be
450	* redundant but it guarantees PF will maintain visibility to
451	* the VLAN.
452	*/
453	if (add && test_bit(vid, adapter->active_vlans)) {
454	err = hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), true, false);
455	if (err)
456	return err;
457	}
458
459	err = hw->mac.ops.set_vfta(hw, vid, vf, !!add, false);
460
461	if (add && !err)
462	return err;
463
464	/* If we failed to add the VF VLAN or we are removing the VF VLAN
465	* we may need to drop the PF pool bit in order to allow us to free
466	* up the VLVF resources.
467	*/
468	if (test_bit(vid, adapter->active_vlans) ||
469	(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
470	ixgbe_update_pf_promisc_vlvf(adapter, vid);
471
472	return err;
473	}
474
475	static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf)
476	{
477	struct ixgbe_hw *hw = &adapter->hw;
478	u32 max_frs;
479
480	if (max_frame < ETH_MIN_MTU || max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
481	e_err(drv, "VF max_frame %d out of range\n", max_frame);
482	return -EINVAL;
483	}
484
485	/*
486	* For 82599EB we have to keep all PFs and VFs operating with
487	* the same max_frame value in order to avoid sending an oversize
488	* frame to a VF. In order to guarantee this is handled correctly
489	* for all cases we have several special exceptions to take into
490	* account before we can enable the VF for receive
491	*/
492	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
493	struct net_device *dev = adapter->netdev;
494	int pf_max_frame = dev->mtu + ETH_HLEN;
495	u32 reg_offset, vf_shift, vfre;
496	s32 err = 0;
497
498	#ifdef CONFIG_FCOE
499	if (dev->features & NETIF_F_FCOE_MTU)
500	pf_max_frame = max_t(int, pf_max_frame,
501	IXGBE_FCOE_JUMBO_FRAME_SIZE);
502
503	#endif /* CONFIG_FCOE */
504	switch (adapter->vfinfo[vf].vf_api) {
505	case ixgbe_mbox_api_11:
506	case ixgbe_mbox_api_12:
507	case ixgbe_mbox_api_13:
508	case ixgbe_mbox_api_14:
509	/* Version 1.1 supports jumbo frames on VFs if PF has
510	* jumbo frames enabled which means legacy VFs are
511	* disabled
512	*/
513	if (pf_max_frame > ETH_FRAME_LEN)
514	break;
515	fallthrough;
516	default:
517	/* If the PF or VF are running w/ jumbo frames enabled
518	* we need to shut down the VF Rx path as we cannot
519	* support jumbo frames on legacy VFs
520	*/
521	if ((pf_max_frame > ETH_FRAME_LEN) ||
522	(max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
523	err = -EINVAL;
524	break;
525	}
526
527	/* determine VF receive enable location */
528	vf_shift = vf % 32;
529	reg_offset = vf / 32;
530
531	/* enable or disable receive depending on error */
532	vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
533	if (err)
534	vfre &= ~BIT(vf_shift);
535	else
536	vfre |= BIT(vf_shift);
537	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
538
539	if (err) {
540	e_err(drv, "VF max_frame %d out of range\n", max_frame);
541	return err;
542	}
543	}
544
545	/* pull current max frame size from hardware */
546	max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
547	max_frs &= IXGBE_MHADD_MFS_MASK;
548	max_frs >>= IXGBE_MHADD_MFS_SHIFT;
549
550	if (max_frs < max_frame) {
551	max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
552	IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
553	}
554
555	e_info(hw, "VF requests change max MTU to %d\n", max_frame);
556
557	return 0;
558	}
559
560	static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
561	{
562	u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
563	vmolr |= IXGBE_VMOLR_BAM;
564	if (aupe)
565	vmolr |= IXGBE_VMOLR_AUPE;
566	else
567	vmolr &= ~IXGBE_VMOLR_AUPE;
568	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
569	}
570
571	static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
572	{
573	struct ixgbe_hw *hw = &adapter->hw;
574
575	IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
576	}
577
578	static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf)
579	{
580	struct ixgbe_hw *hw = &adapter->hw;
581	u32 vlvfb_mask, pool_mask, i;
582
583	/* create mask for VF and other pools */
584	pool_mask = ~BIT(VMDQ_P(0) % 32);
585	vlvfb_mask = BIT(vf % 32);
586
587	/* post increment loop, covers VLVF_ENTRIES - 1 to 0 */
588	for (i = IXGBE_VLVF_ENTRIES; i--;) {
589	u32 bits[2], vlvfb, vid, vfta, vlvf;
590	u32 word = i * 2 + vf / 32;
591	u32 mask;
592
593	vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word));
594
595	/* if our bit isn't set we can skip it */
596	if (!(vlvfb & vlvfb_mask))
597	continue;
598
599	/* clear our bit from vlvfb */
600	vlvfb ^= vlvfb_mask;
601
602	/* create 64b mask to chedk to see if we should clear VLVF */
603	bits[word % 2] = vlvfb;
604	bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1));
605
606	/* if other pools are present, just remove ourselves */
607	if (bits[(VMDQ_P(0) / 32) ^ 1] ||
608	(bits[VMDQ_P(0) / 32] & pool_mask))
609	goto update_vlvfb;
610
611	/* if PF is present, leave VFTA */
612	if (bits[0] || bits[1])
613	goto update_vlvf;
614
615	/* if we cannot determine VLAN just remove ourselves */
616	vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i));
617	if (!vlvf)
618	goto update_vlvfb;
619
620	vid = vlvf & VLAN_VID_MASK;
621	mask = BIT(vid % 32);
622
623	/* clear bit from VFTA */
624	vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32));
625	if (vfta & mask)
626	IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask);
627	update_vlvf:
628	/* clear POOL selection enable */
629	IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0);
630
631	if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
632	vlvfb = 0;
633	update_vlvfb:
634	/* clear pool bits */
635	IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb);
636	}
637	}
638
639	static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
640	int vf, int index, unsigned char *mac_addr)
641	{
642	struct vf_macvlans *entry;
643	bool found = false;
644	int retval = 0;
645
646	if (index <= 1) {
647	list_for_each_entry(entry, &adapter->vf_mvs.l, l) {
648	if (entry->vf == vf) {
649	entry->vf = -1;
650	entry->free = true;
651	entry->is_macvlan = false;
652	ixgbe_del_mac_filter(adapter,
653	addr: entry->vf_macvlan, queue: vf);
654	}
655	}
656	}
657
658	/*
659	* If index was zero then we were asked to clear the uc list
660	* for the VF. We're done.
661	*/
662	if (!index)
663	return 0;
664
665	list_for_each_entry(entry, &adapter->vf_mvs.l, l) {
666	if (entry->free) {
667	found = true;
668	break;
669	}
670	}
671
672	/*
673	* If we traversed the entire list and didn't find a free entry
674	* then we're out of space on the RAR table. It's also possible
675	* for the &adapter->vf_mvs.l list to be empty because the original
676	* memory allocation for the list failed, which is not fatal but does
677	* mean we can't support VF requests for MACVLAN because we couldn't
678	* allocate memory for the list management required.
679	*/
680	if (!found)
681	return -ENOSPC;
682
683	retval = ixgbe_add_mac_filter(adapter, addr: mac_addr, queue: vf);
684	if (retval < 0)
685	return retval;
686
687	entry->free = false;
688	entry->is_macvlan = true;
689	entry->vf = vf;
690	memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
691
692	return 0;
693	}
694
695	static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
696	{
697	struct ixgbe_hw *hw = &adapter->hw;
698	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
699	struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
700	u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
701	u8 num_tcs = adapter->hw_tcs;
702	u32 reg_val;
703	u32 queue;
704
705	/* remove VLAN filters beloning to this VF */
706	ixgbe_clear_vf_vlans(adapter, vf);
707
708	/* add back PF assigned VLAN or VLAN 0 */
709	ixgbe_set_vf_vlan(adapter, add: true, vid: vfinfo->pf_vlan, vf);
710
711	/* reset offloads to defaults */
712	ixgbe_set_vmolr(hw, vf, aupe: !vfinfo->pf_vlan);
713
714	/* set outgoing tags for VFs */
715	if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
716	ixgbe_clear_vmvir(adapter, vf);
717	} else {
718	if (vfinfo->pf_qos || !num_tcs)
719	ixgbe_set_vmvir(adapter, vid: vfinfo->pf_vlan,
720	qos: vfinfo->pf_qos, vf);
721	else
722	ixgbe_set_vmvir(adapter, vid: vfinfo->pf_vlan,
723	qos: adapter->default_up, vf);
724
725	if (vfinfo->spoofchk_enabled) {
726	hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
727	hw->mac.ops.set_mac_anti_spoofing(hw, true, vf);
728	}
729	}
730
731	/* reset multicast table array for vf */
732	adapter->vfinfo[vf].num_vf_mc_hashes = 0;
733
734	/* clear any ipsec table info */
735	ixgbe_ipsec_vf_clear(adapter, vf);
736
737	/* Flush and reset the mta with the new values */
738	ixgbe_set_rx_mode(netdev: adapter->netdev);
739
740	ixgbe_del_mac_filter(adapter, addr: adapter->vfinfo[vf].vf_mac_addresses, queue: vf);
741	ixgbe_set_vf_macvlan(adapter, vf, index: 0, NULL);
742
743	/* reset VF api back to unknown */
744	adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
745
746	/* Restart each queue for given VF */
747	for (queue = 0; queue < q_per_pool; queue++) {
748	unsigned int reg_idx = (vf * q_per_pool) + queue;
749
750	reg_val = IXGBE_READ_REG(hw, IXGBE_PVFTXDCTL(reg_idx));
751
752	/* Re-enabling only configured queues */
753	if (reg_val) {
754	reg_val |= IXGBE_TXDCTL_ENABLE;
755	IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
756	reg_val &= ~IXGBE_TXDCTL_ENABLE;
757	IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
758	}
759	}
760
761	IXGBE_WRITE_FLUSH(hw);
762	}
763
764	static void ixgbe_vf_clear_mbx(struct ixgbe_adapter *adapter, u32 vf)
765	{
766	struct ixgbe_hw *hw = &adapter->hw;
767	u32 word;
768
769	/* Clear VF's mailbox memory */
770	for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++)
771	IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0);
772
773	IXGBE_WRITE_FLUSH(hw);
774	}
775
776	static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
777	int vf, unsigned char *mac_addr)
778	{
779	s32 retval;
780
781	ixgbe_del_mac_filter(adapter, addr: adapter->vfinfo[vf].vf_mac_addresses, queue: vf);
782	retval = ixgbe_add_mac_filter(adapter, addr: mac_addr, queue: vf);
783	if (retval >= 0)
784	memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr,
785	ETH_ALEN);
786	else
787	eth_zero_addr(addr: adapter->vfinfo[vf].vf_mac_addresses);
788
789	return retval;
790	}
791
792	int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
793	{
794	struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
795	unsigned int vfn = (event_mask & 0x3f);
796
797	bool enable = ((event_mask & 0x10000000U) != 0);
798
799	if (enable)
800	eth_zero_addr(addr: adapter->vfinfo[vfn].vf_mac_addresses);
801
802	return 0;
803	}
804
805	static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
806	u32 qde)
807	{
808	struct ixgbe_hw *hw = &adapter->hw;
809	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
810	u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
811	int i;
812
813	for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
814	u32 reg;
815
816	/* flush previous write */
817	IXGBE_WRITE_FLUSH(hw);
818
819	/* indicate to hardware that we want to set drop enable */
820	reg = IXGBE_QDE_WRITE | qde;
821	reg |= i << IXGBE_QDE_IDX_SHIFT;
822	IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
823	}
824	}
825
826	/**
827	* ixgbe_set_vf_rx_tx - Set VF rx tx
828	* @adapter: Pointer to adapter struct
829	* @vf: VF identifier
830	*
831	* Set or reset correct transmit and receive for vf
832	**/
833	static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf)
834	{
835	u32 reg_cur_tx, reg_cur_rx, reg_req_tx, reg_req_rx;
836	struct ixgbe_hw *hw = &adapter->hw;
837	u32 reg_offset, vf_shift;
838
839	vf_shift = vf % 32;
840	reg_offset = vf / 32;
841
842	reg_cur_tx = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
843	reg_cur_rx = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
844
845	if (adapter->vfinfo[vf].link_enable) {
846	reg_req_tx = reg_cur_tx | 1 << vf_shift;
847	reg_req_rx = reg_cur_rx | 1 << vf_shift;
848	} else {
849	reg_req_tx = reg_cur_tx & ~(1 << vf_shift);
850	reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
851	}
852
853	/* The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
854	* For more info take a look at ixgbe_set_vf_lpe
855	*/
856	if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
857	struct net_device *dev = adapter->netdev;
858	int pf_max_frame = dev->mtu + ETH_HLEN;
859
860	#if IS_ENABLED(CONFIG_FCOE)
861	if (dev->features & NETIF_F_FCOE_MTU)
862	pf_max_frame = max_t(int, pf_max_frame,
863	IXGBE_FCOE_JUMBO_FRAME_SIZE);
864	#endif /* CONFIG_FCOE */
865
866	if (pf_max_frame > ETH_FRAME_LEN)
867	reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
868	}
869
870	/* Enable/Disable particular VF */
871	if (reg_cur_tx != reg_req_tx)
872	IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg_req_tx);
873	if (reg_cur_rx != reg_req_rx)
874	IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg_req_rx);
875	}
876
877	static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
878	{
879	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
880	struct ixgbe_hw *hw = &adapter->hw;
881	unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
882	u32 reg, reg_offset, vf_shift;
883	u32 msgbuf[4] = {0, 0, 0, 0};
884	u8 *addr = (u8 *)(&msgbuf[1]);
885	u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
886	int i;
887
888	e_info(probe, "VF Reset msg received from vf %d\n", vf);
889
890	/* reset the filters for the device */
891	ixgbe_vf_reset_event(adapter, vf);
892
893	ixgbe_vf_clear_mbx(adapter, vf);
894
895	/* set vf mac address */
896	if (!is_zero_ether_addr(addr: vf_mac))
897	ixgbe_set_vf_mac(adapter, vf, mac_addr: vf_mac);
898
899	vf_shift = vf % 32;
900	reg_offset = vf / 32;
901
902	/* force drop enable for all VF Rx queues */
903	reg = IXGBE_QDE_ENABLE;
904	if (adapter->vfinfo[vf].pf_vlan)
905	reg |= IXGBE_QDE_HIDE_VLAN;
906
907	ixgbe_write_qde(adapter, vf, qde: reg);
908
909	ixgbe_set_vf_rx_tx(adapter, vf);
910
911	/* enable VF mailbox for further messages */
912	adapter->vfinfo[vf].clear_to_send = true;
913
914	/* Enable counting of spoofed packets in the SSVPC register */
915	reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
916	reg |= BIT(vf_shift);
917	IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
918
919	/*
920	* Reset the VFs TDWBAL and TDWBAH registers
921	* which are not cleared by an FLR
922	*/
923	for (i = 0; i < q_per_pool; i++) {
924	IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
925	IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
926	}
927
928	/* reply to reset with ack and vf mac address */
929	msgbuf[0] = IXGBE_VF_RESET;
930	if (!is_zero_ether_addr(addr: vf_mac) && adapter->vfinfo[vf].pf_set_mac) {
931	msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
932	memcpy(addr, vf_mac, ETH_ALEN);
933	} else {
934	msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
935	}
936
937	/*
938	* Piggyback the multicast filter type so VF can compute the
939	* correct vectors
940	*/
941	msgbuf[3] = hw->mac.mc_filter_type;
942	ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
943
944	return 0;
945	}
946
947	static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
948	u32 *msgbuf, u32 vf)
949	{
950	u8 *new_mac = ((u8 *)(&msgbuf[1]));
951
952	if (!is_valid_ether_addr(addr: new_mac)) {
953	e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
954	return -1;
955	}
956
957	if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
958	!ether_addr_equal(addr1: adapter->vfinfo[vf].vf_mac_addresses, addr2: new_mac)) {
959	e_warn(drv,
960	"VF %d attempted to override administratively set MAC address\n"
961	"Reload the VF driver to resume operations\n",
962	vf);
963	return -1;
964	}
965
966	return ixgbe_set_vf_mac(adapter, vf, mac_addr: new_mac) < 0;
967	}
968
969	static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
970	u32 *msgbuf, u32 vf)
971	{
972	u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
973	u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
974	u8 tcs = adapter->hw_tcs;
975
976	if (adapter->vfinfo[vf].pf_vlan || tcs) {
977	e_warn(drv,
978	"VF %d attempted to override administratively set VLAN configuration\n"
979	"Reload the VF driver to resume operations\n",
980	vf);
981	return -1;
982	}
983
984	/* VLAN 0 is a special case, don't allow it to be removed */
985	if (!vid && !add)
986	return 0;
987
988	return ixgbe_set_vf_vlan(adapter, add, vid, vf);
989	}
990
991	static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
992	u32 *msgbuf, u32 vf)
993	{
994	u8 *new_mac = ((u8 *)(&msgbuf[1]));
995	int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
996	IXGBE_VT_MSGINFO_SHIFT;
997	int err;
998
999	if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
1000	index > 0) {
1001	e_warn(drv,
1002	"VF %d requested MACVLAN filter but is administratively denied\n",
1003	vf);
1004	return -1;
1005	}
1006
1007	/* An non-zero index indicates the VF is setting a filter */
1008	if (index) {
1009	if (!is_valid_ether_addr(addr: new_mac)) {
1010	e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
1011	return -1;
1012	}
1013
1014	/*
1015	* If the VF is allowed to set MAC filters then turn off
1016	* anti-spoofing to avoid false positives.
1017	*/
1018	if (adapter->vfinfo[vf].spoofchk_enabled) {
1019	struct ixgbe_hw *hw = &adapter->hw;
1020
1021	hw->mac.ops.set_mac_anti_spoofing(hw, false, vf);
1022	hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
1023	}
1024	}
1025
1026	err = ixgbe_set_vf_macvlan(adapter, vf, index, mac_addr: new_mac);
1027	if (err == -ENOSPC)
1028	e_warn(drv,
1029	"VF %d has requested a MACVLAN filter but there is no space for it\n",
1030	vf);
1031
1032	return err < 0;
1033	}
1034
1035	static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
1036	u32 *msgbuf, u32 vf)
1037	{
1038	int api = msgbuf[1];
1039
1040	switch (api) {
1041	case ixgbe_mbox_api_10:
1042	case ixgbe_mbox_api_11:
1043	case ixgbe_mbox_api_12:
1044	case ixgbe_mbox_api_13:
1045	case ixgbe_mbox_api_14:
1046	adapter->vfinfo[vf].vf_api = api;
1047	return 0;
1048	default:
1049	break;
1050	}
1051
1052	e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
1053
1054	return -1;
1055	}
1056
1057	static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
1058	u32 *msgbuf, u32 vf)
1059	{
1060	struct net_device *dev = adapter->netdev;
1061	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1062	unsigned int default_tc = 0;
1063	u8 num_tcs = adapter->hw_tcs;
1064
1065	/* verify the PF is supporting the correct APIs */
1066	switch (adapter->vfinfo[vf].vf_api) {
1067	case ixgbe_mbox_api_20:
1068	case ixgbe_mbox_api_11:
1069	case ixgbe_mbox_api_12:
1070	case ixgbe_mbox_api_13:
1071	case ixgbe_mbox_api_14:
1072	break;
1073	default:
1074	return -1;
1075	}
1076
1077	/* only allow 1 Tx queue for bandwidth limiting */
1078	msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1079	msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1080
1081	/* if TCs > 1 determine which TC belongs to default user priority */
1082	if (num_tcs > 1)
1083	default_tc = netdev_get_prio_tc_map(dev, prio: adapter->default_up);
1084
1085	/* notify VF of need for VLAN tag stripping, and correct queue */
1086	if (num_tcs)
1087	msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
1088	else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
1089	msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
1090	else
1091	msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
1092
1093	/* notify VF of default queue */
1094	msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
1095
1096	return 0;
1097	}
1098
1099	static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
1100	{
1101	u32 i, j;
1102	u32 *out_buf = &msgbuf[1];
1103	const u8 *reta = adapter->rss_indir_tbl;
1104	u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
1105
1106	/* Check if operation is permitted */
1107	if (!adapter->vfinfo[vf].rss_query_enabled)
1108	return -EPERM;
1109
1110	/* verify the PF is supporting the correct API */
1111	switch (adapter->vfinfo[vf].vf_api) {
1112	case ixgbe_mbox_api_14:
1113	case ixgbe_mbox_api_13:
1114	case ixgbe_mbox_api_12:
1115	break;
1116	default:
1117	return -EOPNOTSUPP;
1118	}
1119
1120	/* This mailbox command is supported (required) only for 82599 and x540
1121	* VFs which support up to 4 RSS queues. Therefore we will compress the
1122	* RETA by saving only 2 bits from each entry. This way we will be able
1123	* to transfer the whole RETA in a single mailbox operation.
1124	*/
1125	for (i = 0; i < reta_size / 16; i++) {
1126	out_buf[i] = 0;
1127	for (j = 0; j < 16; j++)
1128	out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
1129	}
1130
1131	return 0;
1132	}
1133
1134	static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
1135	u32 *msgbuf, u32 vf)
1136	{
1137	u32 *rss_key = &msgbuf[1];
1138
1139	/* Check if the operation is permitted */
1140	if (!adapter->vfinfo[vf].rss_query_enabled)
1141	return -EPERM;
1142
1143	/* verify the PF is supporting the correct API */
1144	switch (adapter->vfinfo[vf].vf_api) {
1145	case ixgbe_mbox_api_14:
1146	case ixgbe_mbox_api_13:
1147	case ixgbe_mbox_api_12:
1148	break;
1149	default:
1150	return -EOPNOTSUPP;
1151	}
1152
1153	memcpy(rss_key, adapter->rss_key, IXGBE_RSS_KEY_SIZE);
1154
1155	return 0;
1156	}
1157
1158	static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
1159	u32 *msgbuf, u32 vf)
1160	{
1161	struct ixgbe_hw *hw = &adapter->hw;
1162	int xcast_mode = msgbuf[1];
1163	u32 vmolr, fctrl, disable, enable;
1164
1165	/* verify the PF is supporting the correct APIs */
1166	switch (adapter->vfinfo[vf].vf_api) {
1167	case ixgbe_mbox_api_12:
1168	/* promisc introduced in 1.3 version */
1169	if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
1170	return -EOPNOTSUPP;
1171	fallthrough;
1172	case ixgbe_mbox_api_13:
1173	case ixgbe_mbox_api_14:
1174	break;
1175	default:
1176	return -EOPNOTSUPP;
1177	}
1178
1179	if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
1180	!adapter->vfinfo[vf].trusted) {
1181	xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
1182	}
1183
1184	if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
1185	goto out;
1186
1187	switch (xcast_mode) {
1188	case IXGBEVF_XCAST_MODE_NONE:
1189	disable = IXGBE_VMOLR_ROMPE |
1190	IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
1191	enable = IXGBE_VMOLR_BAM;
1192	break;
1193	case IXGBEVF_XCAST_MODE_MULTI:
1194	disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
1195	enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
1196	break;
1197	case IXGBEVF_XCAST_MODE_ALLMULTI:
1198	disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
1199	enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
1200	break;
1201	case IXGBEVF_XCAST_MODE_PROMISC:
1202	if (hw->mac.type <= ixgbe_mac_82599EB)
1203	return -EOPNOTSUPP;
1204
1205	fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1206	if (!(fctrl & IXGBE_FCTRL_UPE)) {
1207	/* VF promisc requires PF in promisc */
1208	e_warn(drv,
1209	"Enabling VF promisc requires PF in promisc\n");
1210	return -EPERM;
1211	}
1212
1213	disable = IXGBE_VMOLR_VPE;
1214	enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
1215	IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE;
1216	break;
1217	default:
1218	return -EOPNOTSUPP;
1219	}
1220
1221	vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
1222	vmolr &= ~disable;
1223	vmolr |= enable;
1224	IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
1225
1226	adapter->vfinfo[vf].xcast_mode = xcast_mode;
1227
1228	out:
1229	msgbuf[1] = xcast_mode;
1230
1231	return 0;
1232	}
1233
1234	static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
1235	u32 *msgbuf, u32 vf)
1236	{
1237	u32 *link_state = &msgbuf[1];
1238
1239	/* verify the PF is supporting the correct API */
1240	switch (adapter->vfinfo[vf].vf_api) {
1241	case ixgbe_mbox_api_12:
1242	case ixgbe_mbox_api_13:
1243	case ixgbe_mbox_api_14:
1244	break;
1245	default:
1246	return -EOPNOTSUPP;
1247	}
1248
1249	*link_state = adapter->vfinfo[vf].link_enable;
1250
1251	return 0;
1252	}
1253
1254	static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1255	{
1256	u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
1257	u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
1258	struct ixgbe_hw *hw = &adapter->hw;
1259	s32 retval;
1260
1261	retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
1262
1263	if (retval) {
1264	pr_err("Error receiving message from VF\n");
1265	return retval;
1266	}
1267
1268	/* this is a message we already processed, do nothing */
1269	if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
1270	return 0;
1271
1272	/* flush the ack before we write any messages back */
1273	IXGBE_WRITE_FLUSH(hw);
1274
1275	if (msgbuf[0] == IXGBE_VF_RESET)
1276	return ixgbe_vf_reset_msg(adapter, vf);
1277
1278	/*
1279	* until the vf completes a virtual function reset it should not be
1280	* allowed to start any configuration.
1281	*/
1282	if (!adapter->vfinfo[vf].clear_to_send) {
1283	msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1284	ixgbe_write_mbx(hw, msgbuf, 1, vf);
1285	return 0;
1286	}
1287
1288	switch ((msgbuf[0] & 0xFFFF)) {
1289	case IXGBE_VF_SET_MAC_ADDR:
1290	retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
1291	break;
1292	case IXGBE_VF_SET_MULTICAST:
1293	retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
1294	break;
1295	case IXGBE_VF_SET_VLAN:
1296	retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
1297	break;
1298	case IXGBE_VF_SET_LPE:
1299	retval = ixgbe_set_vf_lpe(adapter, max_frame: msgbuf[1], vf);
1300	break;
1301	case IXGBE_VF_SET_MACVLAN:
1302	retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
1303	break;
1304	case IXGBE_VF_API_NEGOTIATE:
1305	retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
1306	break;
1307	case IXGBE_VF_GET_QUEUES:
1308	retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
1309	break;
1310	case IXGBE_VF_GET_RETA:
1311	retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
1312	break;
1313	case IXGBE_VF_GET_RSS_KEY:
1314	retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
1315	break;
1316	case IXGBE_VF_UPDATE_XCAST_MODE:
1317	retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
1318	break;
1319	case IXGBE_VF_GET_LINK_STATE:
1320	retval = ixgbe_get_vf_link_state(adapter, msgbuf, vf);
1321	break;
1322	case IXGBE_VF_IPSEC_ADD:
1323	retval = ixgbe_ipsec_vf_add_sa(adapter, mbuf: msgbuf, vf);
1324	break;
1325	case IXGBE_VF_IPSEC_DEL:
1326	retval = ixgbe_ipsec_vf_del_sa(adapter, mbuf: msgbuf, vf);
1327	break;
1328	default:
1329	e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
1330	retval = IXGBE_ERR_MBX;
1331	break;
1332	}
1333
1334	/* notify the VF of the results of what it sent us */
1335	if (retval)
1336	msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1337	else
1338	msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
1339
1340	msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
1341
1342	ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
1343
1344	return retval;
1345	}
1346
1347	static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1348	{
1349	struct ixgbe_hw *hw = &adapter->hw;
1350	u32 msg = IXGBE_VT_MSGTYPE_NACK;
1351
1352	/* if device isn't clear to send it shouldn't be reading either */
1353	if (!adapter->vfinfo[vf].clear_to_send)
1354	ixgbe_write_mbx(hw, &msg, 1, vf);
1355	}
1356
1357	void ixgbe_msg_task(struct ixgbe_adapter *adapter)
1358	{
1359	struct ixgbe_hw *hw = &adapter->hw;
1360	unsigned long flags;
1361	u32 vf;
1362
1363	spin_lock_irqsave(&adapter->vfs_lock, flags);
1364	for (vf = 0; vf < adapter->num_vfs; vf++) {
1365	/* process any reset requests */
1366	if (!ixgbe_check_for_rst(hw, vf))
1367	ixgbe_vf_reset_event(adapter, vf);
1368
1369	/* process any messages pending */
1370	if (!ixgbe_check_for_msg(hw, vf))
1371	ixgbe_rcv_msg_from_vf(adapter, vf);
1372
1373	/* process any acks */
1374	if (!ixgbe_check_for_ack(hw, vf))
1375	ixgbe_rcv_ack_from_vf(adapter, vf);
1376	}
1377	spin_unlock_irqrestore(lock: &adapter->vfs_lock, flags);
1378	}
1379
1380	static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
1381	{
1382	struct ixgbe_hw *hw = &adapter->hw;
1383	u32 ping;
1384
1385	ping = IXGBE_PF_CONTROL_MSG;
1386	if (adapter->vfinfo[vf].clear_to_send)
1387	ping |= IXGBE_VT_MSGTYPE_CTS;
1388	ixgbe_write_mbx(hw, &ping, 1, vf);
1389	}
1390
1391	void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
1392	{
1393	struct ixgbe_hw *hw = &adapter->hw;
1394	u32 ping;
1395	int i;
1396
1397	for (i = 0 ; i < adapter->num_vfs; i++) {
1398	ping = IXGBE_PF_CONTROL_MSG;
1399	if (adapter->vfinfo[i].clear_to_send)
1400	ping |= IXGBE_VT_MSGTYPE_CTS;
1401	ixgbe_write_mbx(hw, &ping, 1, i);
1402	}
1403	}
1404
1405	/**
1406	* ixgbe_set_all_vfs - update vfs queues
1407	* @adapter: Pointer to adapter struct
1408	*
1409	* Update setting transmit and receive queues for all vfs
1410	**/
1411	void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter)
1412	{
1413	int i;
1414
1415	for (i = 0 ; i < adapter->num_vfs; i++)
1416	ixgbe_set_vf_link_state(adapter, vf: i,
1417	state: adapter->vfinfo[i].link_state);
1418	}
1419
1420	int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1421	{
1422	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1423	s32 retval;
1424
1425	if (vf >= adapter->num_vfs)
1426	return -EINVAL;
1427
1428	if (is_valid_ether_addr(addr: mac)) {
1429	dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n",
1430	mac, vf);
1431	dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective.");
1432
1433	retval = ixgbe_set_vf_mac(adapter, vf, mac_addr: mac);
1434	if (retval >= 0) {
1435	adapter->vfinfo[vf].pf_set_mac = true;
1436
1437	if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1438	dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n");
1439	dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n");
1440	}
1441	} else {
1442	dev_warn(&adapter->pdev->dev, "The VF MAC address was NOT set due to invalid or duplicate MAC address.\n");
1443	}
1444	} else if (is_zero_ether_addr(addr: mac)) {
1445	unsigned char *vf_mac_addr =
1446	adapter->vfinfo[vf].vf_mac_addresses;
1447
1448	/* nothing to do */
1449	if (is_zero_ether_addr(addr: vf_mac_addr))
1450	return 0;
1451
1452	dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf);
1453
1454	retval = ixgbe_del_mac_filter(adapter, addr: vf_mac_addr, queue: vf);
1455	if (retval >= 0) {
1456	adapter->vfinfo[vf].pf_set_mac = false;
1457	memcpy(vf_mac_addr, mac, ETH_ALEN);
1458	} else {
1459	dev_warn(&adapter->pdev->dev, "Could NOT remove the VF MAC address.\n");
1460	}
1461	} else {
1462	retval = -EINVAL;
1463	}
1464
1465	return retval;
1466	}
1467
1468	static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
1469	u16 vlan, u8 qos)
1470	{
1471	struct ixgbe_hw *hw = &adapter->hw;
1472	int err;
1473
1474	err = ixgbe_set_vf_vlan(adapter, add: true, vid: vlan, vf);
1475	if (err)
1476	goto out;
1477
1478	/* Revoke tagless access via VLAN 0 */
1479	ixgbe_set_vf_vlan(adapter, add: false, vid: 0, vf);
1480
1481	ixgbe_set_vmvir(adapter, vid: vlan, qos, vf);
1482	ixgbe_set_vmolr(hw, vf, aupe: false);
1483
1484	/* enable hide vlan on X550 */
1485	if (hw->mac.type >= ixgbe_mac_X550)
1486	ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
1487	IXGBE_QDE_HIDE_VLAN);
1488
1489	adapter->vfinfo[vf].pf_vlan = vlan;
1490	adapter->vfinfo[vf].pf_qos = qos;
1491	dev_info(&adapter->pdev->dev,
1492	"Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
1493	if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1494	dev_warn(&adapter->pdev->dev,
1495	"The VF VLAN has been set, but the PF device is not up.\n");
1496	dev_warn(&adapter->pdev->dev,
1497	"Bring the PF device up before attempting to use the VF device.\n");
1498	}
1499
1500	out:
1501	return err;
1502	}
1503
1504	static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
1505	{
1506	struct ixgbe_hw *hw = &adapter->hw;
1507	int err;
1508
1509	err = ixgbe_set_vf_vlan(adapter, add: false,
1510	vid: adapter->vfinfo[vf].pf_vlan, vf);
1511	/* Restore tagless access via VLAN 0 */
1512	ixgbe_set_vf_vlan(adapter, add: true, vid: 0, vf);
1513	ixgbe_clear_vmvir(adapter, vf);
1514	ixgbe_set_vmolr(hw, vf, aupe: true);
1515
1516	/* disable hide VLAN on X550 */
1517	if (hw->mac.type >= ixgbe_mac_X550)
1518	ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
1519
1520	adapter->vfinfo[vf].pf_vlan = 0;
1521	adapter->vfinfo[vf].pf_qos = 0;
1522
1523	return err;
1524	}
1525
1526	int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
1527	u8 qos, __be16 vlan_proto)
1528	{
1529	int err = 0;
1530	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1531
1532	if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
1533	return -EINVAL;
1534	if (vlan_proto != htons(ETH_P_8021Q))
1535	return -EPROTONOSUPPORT;
1536	if (vlan || qos) {
1537	/* Check if there is already a port VLAN set, if so
1538	* we have to delete the old one first before we
1539	* can set the new one. The usage model had
1540	* previously assumed the user would delete the
1541	* old port VLAN before setting a new one but this
1542	* is not necessarily the case.
1543	*/
1544	if (adapter->vfinfo[vf].pf_vlan)
1545	err = ixgbe_disable_port_vlan(adapter, vf);
1546	if (err)
1547	goto out;
1548	err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
1549	} else {
1550	err = ixgbe_disable_port_vlan(adapter, vf);
1551	}
1552
1553	out:
1554	return err;
1555	}
1556
1557	int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
1558	{
1559	switch (adapter->link_speed) {
1560	case IXGBE_LINK_SPEED_100_FULL:
1561	return 100;
1562	case IXGBE_LINK_SPEED_1GB_FULL:
1563	return 1000;
1564	case IXGBE_LINK_SPEED_10GB_FULL:
1565	return 10000;
1566	default:
1567	return 0;
1568	}
1569	}
1570
1571	static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
1572	{
1573	struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1574	struct ixgbe_hw *hw = &adapter->hw;
1575	u32 bcnrc_val = 0;
1576	u16 queue, queues_per_pool;
1577	u16 tx_rate = adapter->vfinfo[vf].tx_rate;
1578
1579	if (tx_rate) {
1580	/* start with base link speed value */
1581	bcnrc_val = adapter->vf_rate_link_speed;
1582
1583	/* Calculate the rate factor values to set */
1584	bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
1585	bcnrc_val /= tx_rate;
1586
1587	/* clear everything but the rate factor */
1588	bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
1589	IXGBE_RTTBCNRC_RF_DEC_MASK;
1590
1591	/* enable the rate scheduler */
1592	bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
1593	}
1594
1595	/*
1596	* Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
1597	* register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
1598	* and 0x004 otherwise.
1599	*/
1600	switch (hw->mac.type) {
1601	case ixgbe_mac_82599EB:
1602	IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
1603	break;
1604	case ixgbe_mac_X540:
1605	IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
1606	break;
1607	default:
1608	break;
1609	}
1610
1611	/* determine how many queues per pool based on VMDq mask */
1612	queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
1613
1614	/* write value for all Tx queues belonging to VF */
1615	for (queue = 0; queue < queues_per_pool; queue++) {
1616	unsigned int reg_idx = (vf * queues_per_pool) + queue;
1617
1618	IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
1619	IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
1620	}
1621	}
1622
1623	void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
1624	{
1625	int i;
1626
1627	/* VF Tx rate limit was not set */
1628	if (!adapter->vf_rate_link_speed)
1629	return;
1630
1631	if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
1632	adapter->vf_rate_link_speed = 0;
1633	dev_info(&adapter->pdev->dev,
1634	"Link speed has been changed. VF Transmit rate is disabled\n");
1635	}
1636
1637	for (i = 0; i < adapter->num_vfs; i++) {
1638	if (!adapter->vf_rate_link_speed)
1639	adapter->vfinfo[i].tx_rate = 0;
1640
1641	ixgbe_set_vf_rate_limit(adapter, vf: i);
1642	}
1643	}
1644
1645	int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
1646	int max_tx_rate)
1647	{
1648	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1649	int link_speed;
1650
1651	/* verify VF is active */
1652	if (vf >= adapter->num_vfs)
1653	return -EINVAL;
1654
1655	/* verify link is up */
1656	if (!adapter->link_up)
1657	return -EINVAL;
1658
1659	/* verify we are linked at 10Gbps */
1660	link_speed = ixgbe_link_mbps(adapter);
1661	if (link_speed != 10000)
1662	return -EINVAL;
1663
1664	if (min_tx_rate)
1665	return -EINVAL;
1666
1667	/* rate limit cannot be less than 10Mbs or greater than link speed */
1668	if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
1669	return -EINVAL;
1670
1671	/* store values */
1672	adapter->vf_rate_link_speed = link_speed;
1673	adapter->vfinfo[vf].tx_rate = max_tx_rate;
1674
1675	/* update hardware configuration */
1676	ixgbe_set_vf_rate_limit(adapter, vf);
1677
1678	return 0;
1679	}
1680
1681	int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
1682	{
1683	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1684	struct ixgbe_hw *hw = &adapter->hw;
1685
1686	if (vf >= adapter->num_vfs)
1687	return -EINVAL;
1688
1689	adapter->vfinfo[vf].spoofchk_enabled = setting;
1690
1691	/* configure MAC spoofing */
1692	hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf);
1693
1694	/* configure VLAN spoofing */
1695	hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf);
1696
1697	/* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be
1698	* calling set_ethertype_anti_spoofing for each VF in loop below
1699	*/
1700	if (hw->mac.ops.set_ethertype_anti_spoofing) {
1701	IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP),
1702	(IXGBE_ETQF_FILTER_EN |
1703	IXGBE_ETQF_TX_ANTISPOOF |
1704	ETH_P_LLDP));
1705
1706	IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC),
1707	(IXGBE_ETQF_FILTER_EN |
1708	IXGBE_ETQF_TX_ANTISPOOF |
1709	ETH_P_PAUSE));
1710
1711	hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf);
1712	}
1713
1714	return 0;
1715	}
1716
1717	/**
1718	* ixgbe_set_vf_link_state - Set link state
1719	* @adapter: Pointer to adapter struct
1720	* @vf: VF identifier
1721	* @state: required link state
1722	*
1723	* Set a link force state on/off a single vf
1724	**/
1725	void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state)
1726	{
1727	adapter->vfinfo[vf].link_state = state;
1728
1729	switch (state) {
1730	case IFLA_VF_LINK_STATE_AUTO:
1731	if (test_bit(__IXGBE_DOWN, &adapter->state))
1732	adapter->vfinfo[vf].link_enable = false;
1733	else
1734	adapter->vfinfo[vf].link_enable = true;
1735	break;
1736	case IFLA_VF_LINK_STATE_ENABLE:
1737	adapter->vfinfo[vf].link_enable = true;
1738	break;
1739	case IFLA_VF_LINK_STATE_DISABLE:
1740	adapter->vfinfo[vf].link_enable = false;
1741	break;
1742	}
1743
1744	ixgbe_set_vf_rx_tx(adapter, vf);
1745
1746	/* restart the VF */
1747	adapter->vfinfo[vf].clear_to_send = false;
1748	ixgbe_ping_vf(adapter, vf);
1749	}
1750
1751	/**
1752	* ixgbe_ndo_set_vf_link_state - Set link state
1753	* @netdev: network interface device structure
1754	* @vf: VF identifier
1755	* @state: required link state
1756	*
1757	* Set the link state of a specified VF, regardless of physical link state
1758	**/
1759	int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state)
1760	{
1761	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1762	int ret = 0;
1763
1764	if (vf < 0 || vf >= adapter->num_vfs) {
1765	dev_err(&adapter->pdev->dev,
1766	"NDO set VF link - invalid VF identifier %d\n", vf);
1767	return -EINVAL;
1768	}
1769
1770	switch (state) {
1771	case IFLA_VF_LINK_STATE_ENABLE:
1772	dev_info(&adapter->pdev->dev,
1773	"NDO set VF %d link state %d - not supported\n",
1774	vf, state);
1775	break;
1776	case IFLA_VF_LINK_STATE_DISABLE:
1777	dev_info(&adapter->pdev->dev,
1778	"NDO set VF %d link state disable\n", vf);
1779	ixgbe_set_vf_link_state(adapter, vf, state);
1780	break;
1781	case IFLA_VF_LINK_STATE_AUTO:
1782	dev_info(&adapter->pdev->dev,
1783	"NDO set VF %d link state auto\n", vf);
1784	ixgbe_set_vf_link_state(adapter, vf, state);
1785	break;
1786	default:
1787	dev_err(&adapter->pdev->dev,
1788	"NDO set VF %d - invalid link state %d\n", vf, state);
1789	ret = -EINVAL;
1790	}
1791
1792	return ret;
1793	}
1794
1795	int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
1796	bool setting)
1797	{
1798	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1799
1800	/* This operation is currently supported only for 82599 and x540
1801	* devices.
1802	*/
1803	if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
1804	adapter->hw.mac.type >= ixgbe_mac_X550)
1805	return -EOPNOTSUPP;
1806
1807	if (vf >= adapter->num_vfs)
1808	return -EINVAL;
1809
1810	adapter->vfinfo[vf].rss_query_enabled = setting;
1811
1812	return 0;
1813	}
1814
1815	int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
1816	{
1817	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1818
1819	if (vf >= adapter->num_vfs)
1820	return -EINVAL;
1821
1822	/* nothing to do */
1823	if (adapter->vfinfo[vf].trusted == setting)
1824	return 0;
1825
1826	adapter->vfinfo[vf].trusted = setting;
1827
1828	/* reset VF to reconfigure features */
1829	adapter->vfinfo[vf].clear_to_send = false;
1830	ixgbe_ping_vf(adapter, vf);
1831
1832	e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not ");
1833
1834	return 0;
1835	}
1836
1837	int ixgbe_ndo_get_vf_config(struct net_device *netdev,
1838	int vf, struct ifla_vf_info *ivi)
1839	{
1840	struct ixgbe_adapter *adapter = netdev_priv(dev: netdev);
1841	if (vf >= adapter->num_vfs)
1842	return -EINVAL;
1843	ivi->vf = vf;
1844	memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
1845	ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
1846	ivi->min_tx_rate = 0;
1847	ivi->vlan = adapter->vfinfo[vf].pf_vlan;
1848	ivi->qos = adapter->vfinfo[vf].pf_qos;
1849	ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
1850	ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
1851	ivi->trusted = adapter->vfinfo[vf].trusted;
1852	return 0;
1853	}
1854