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