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