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