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Merge tag 'perf-urgent-for-mingo-4.20-20181106' of git://git.kernel.org/pub/scm/linux...
[linux-2.6-block.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_sriov.c
CommitLineData
51dce24b
JK		 1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
17367270 3
17367270
GR		 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>
aa2bacb6 14#include <linux/if_bridge.h>
f646968f 15#ifdef NETIF_F_HW_VLAN_CTAG_TX
17367270
GR		 16#include <linux/if_vlan.h>
17#endif
18
19#include "ixgbe.h"
c6bda30a 20#include "ixgbe_type.h"
17367270
GR		 21#include "ixgbe_sriov.h"
22
c6bda30a 23#ifdef CONFIG_PCI_IOV
5c11f00d
ET		 24static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
25 unsigned int num_vfs)
c6bda30a
GR		 26{
27 struct ixgbe_hw *hw = &adapter->hw;
c6bda30a 28 struct vf_macvlans *mv_list;
2bc09729 29 int num_vf_macvlans, i;
73079ea0 30
c6bda30a 31 num_vf_macvlans = hw->mac.num_rar_entries -
5c11f00d 32 (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
2bc09729
ET		 33 if (!num_vf_macvlans)
34 return;
c6bda30a 35
2bc09729
ET		 36 mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans),
37 GFP_KERNEL);
c6bda30a
GR		 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++) {
2bc09729
ET		 42 mv_list[i].vf = -1;
43 mv_list[i].free = true;
44 list_add(&mv_list[i].l, &adapter->vf_mvs.l);
c6bda30a 45 }
2bc09729 46 adapter->mv_list = mv_list;
c6bda30a 47 }
2bc09729
ET		 48}
49
5c11f00d
ET		 50static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
51 unsigned int num_vfs)
2bc09729
ET		 52{
53 struct ixgbe_hw *hw = &adapter->hw;
da614d04 54 int i;
2bc09729 55
fabf1bce
TN		 56 if (adapter->xdp_prog) {
57 e_warn(probe, "SRIOV is not supported with XDP\n");
58 return -EINVAL;
59 }
60
2bc09729 61 /* Enable VMDq flag so device will be set in VM mode */
a8e87d9f
AD		 62 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED |
63 IXGBE_FLAG_VMDQ_ENABLED;
c6bda30a 64
5c11f00d
ET		 65 /* Allocate memory for per VF control structures */
66 adapter->vfinfo = kcalloc(num_vfs, sizeof(struct vf_data_storage),
67 GFP_KERNEL);
da614d04
ET		 68 if (!adapter->vfinfo)
69 return -ENOMEM;
73079ea0 70
5c11f00d
ET		 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;
73079ea0 75
da614d04
ET		 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 */
5c11f00d 81 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && (num_vfs < 16)) {
da614d04
ET		 82 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
83 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
5c11f00d 84 } else if (num_vfs < 32) {
da614d04
ET		 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 }
e65ce0d3 91
da614d04
ET		 92 /* Disable RSC when in SR-IOV mode */
93 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
94 IXGBE_FLAG2_RSC_ENABLED);
54011e4d 95
5c11f00d 96 for (i = 0; i < num_vfs; i++) {
da614d04
ET		 97 /* enable spoof checking for all VFs */
98 adapter->vfinfo[i].spoofchk_enabled = true;
8443c1a4 99
da614d04
ET		 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;
e65ce0d3 106
da614d04
ET		 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;
66dcfd75
GR		 112 }
113
5c11f00d 114 e_info(probe, "SR-IOV enabled with %d VFs\n", num_vfs);
da614d04 115 return 0;
66dcfd75
GR		 116}
117
988d1307
MR		 118/**
119 * ixgbe_get_vfs - Find and take references to all vf devices
120 * @adapter: Pointer to adapter struct
121 */
122static 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
66dcfd75
GR		 150/* Note this function is called when the user wants to enable SR-IOV
151 * VFs using the now deprecated module parameter
152 */
5c11f00d 153void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs)
66dcfd75
GR		 154{
155 int pre_existing_vfs = 0;
5c11f00d 156 unsigned int num_vfs;
66dcfd75
GR		 157
158 pre_existing_vfs = pci_num_vf(adapter->pdev);
5c11f00d 159 if (!pre_existing_vfs && !max_vfs)
c6bda30a 160 return;
66dcfd75 161
66dcfd75
GR		 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) {
5c11f00d 169 num_vfs = pre_existing_vfs;
66dcfd75
GR		 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
dbedd44e 178 * physical function. If the user requests greater than
66dcfd75
GR		 179 * 63 VFs then it is an error - reset to default of zero.
180 */
5c11f00d 181 num_vfs = min_t(unsigned int, max_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
66dcfd75 182
5c11f00d 183 err = pci_enable_sriov(adapter->pdev, num_vfs);
66dcfd75
GR		 184 if (err) {
185 e_err(probe, "Failed to enable PCI sriov: %d\n", err);
66dcfd75
GR		 186 return;
187 }
c6bda30a
GR		 188 }
189
5c11f00d 190 if (!__ixgbe_enable_sriov(adapter, num_vfs)) {
988d1307 191 ixgbe_get_vfs(adapter);
66dcfd75 192 return;
988d1307 193 }
66dcfd75
GR		 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 */
c6bda30a
GR		 198 e_err(probe, "Unable to allocate memory for VF Data Storage - "
199 "SRIOV disabled\n");
99d74487 200 ixgbe_disable_sriov(adapter);
c6bda30a 201}
c6bda30a 202
9297127b 203#endif /* #ifdef CONFIG_PCI_IOV */
da36b647 204int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
c6bda30a 205{
988d1307 206 unsigned int num_vfs = adapter->num_vfs, vf;
da36b647 207 int rss;
c6bda30a 208
d773d131
AD		 209 /* set num VFs to 0 to prevent access to vfinfo */
210 adapter->num_vfs = 0;
211
988d1307
MR		 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
d773d131
AD		 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
99d74487
AD		 230 /* if SR-IOV is already disabled then there is nothing to do */
231 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
da36b647 232 return 0;
99d74487 233
c6bda30a 234#ifdef CONFIG_PCI_IOV
9297127b
AD		 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 */
e507d0cd 240 if (pci_vfs_assigned(adapter->pdev)) {
9297127b 241 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
da36b647 242 return -EPERM;
d47e12d6 243 }
c6bda30a
GR		 244 /* disable iov and allow time for transactions to clear */
245 pci_disable_sriov(adapter->pdev);
246#endif
247
1d9c0bfd 248 /* Disable VMDq flag so device will be set in VM mode */
8315ef6f 249 if (bitmap_weight(adapter->fwd_bitmask, adapter->num_rx_pools) == 1) {
1d9c0bfd 250 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
2a47fa45 251 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
0f9b232b
DS		 252 rss = min_t(int, ixgbe_max_rss_indices(adapter),
253 num_online_cpus());
2a47fa45
JF		 254 } else {
255 rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
256 }
1d9c0bfd 257
2a47fa45 258 adapter->ring_feature[RING_F_VMDQ].offset = 0;
da36b647
GR		 259 adapter->ring_feature[RING_F_RSS].limit = rss;
260
c6bda30a
GR		 261 /* take a breather then clean up driver data */
262 msleep(100);
da36b647
GR		 263 return 0;
264}
265
266static 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);
da36b647 270 int pre_existing_vfs = pci_num_vf(dev);
4e039c16
AD		 271 int err = 0, num_rx_pools, i, limit;
272 u8 num_tc;
da36b647
GR		 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)
e90dd264 277 return num_vfs;
da36b647
GR		 278
279 if (err)
e90dd264 280 return err;
da36b647 281
aac2f1bf 282 /* While the SR-IOV capability structure reports total VFs to be 64,
b5d8acbb
UK		 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
aac2f1bf
JK		 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.
da36b647 293 */
0efbf12b 294 num_tc = adapter->hw_tcs;
8315ef6f
AD		 295 num_rx_pools = bitmap_weight(adapter->fwd_bitmask,
296 adapter->num_rx_pools);
4e039c16
AD		 297 limit = (num_tc > 4) ? IXGBE_MAX_VFS_8TC :
298 (num_tc > 1) ? IXGBE_MAX_VFS_4TC : IXGBE_MAX_VFS_1TC;
da36b647 299
4e039c16
AD		 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;
b5d8acbb 304 }
da36b647 305
5c11f00d 306 err = __ixgbe_enable_sriov(adapter, num_vfs);
da36b647 307 if (err)
e90dd264 308 return err;
da36b647 309
5c11f00d 310 for (i = 0; i < num_vfs; i++)
da36b647
GR		 311 ixgbe_vf_configuration(dev, (i | 0x10000000));
312
0c339bf9
ET		 313 /* reset before enabling SRIOV to avoid mailbox issues */
314 ixgbe_sriov_reinit(adapter);
315
da36b647
GR		 316 err = pci_enable_sriov(dev, num_vfs);
317 if (err) {
318 e_dev_warn("Failed to enable PCI sriov: %d\n", err);
e90dd264 319 return err;
da36b647 320 }
988d1307 321 ixgbe_get_vfs(adapter);
da36b647 322
da36b647 323 return num_vfs;
e90dd264 324#else
da36b647 325 return 0;
e90dd264 326#endif
da36b647
GR		 327}
328
329static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
330{
331 struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
332 int err;
8f48f5bc 333#ifdef CONFIG_PCI_IOV
da36b647 334 u32 current_flags = adapter->flags;
2097db7d 335 int prev_num_vf = pci_num_vf(dev);
8f48f5bc 336#endif
da36b647
GR		 337
338 err = ixgbe_disable_sriov(adapter);
339
340 /* Only reinit if no error and state changed */
da36b647 341#ifdef CONFIG_PCI_IOV
2097db7d
AD		 342 if (!err && (current_flags != adapter->flags ||
343 prev_num_vf != pci_num_vf(dev)))
da36b647
GR		 344 ixgbe_sriov_reinit(adapter);
345#endif
da36b647
GR		 346
347 return err;
348}
349
350int 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);
c6bda30a
GR		 356}
357
5d5b7c39 358static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
58a02bee 359 u32 *msgbuf, u32 vf)
17367270 360{
58a02bee
AD		 361 int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
362 >> IXGBE_VT_MSGINFO_SHIFT;
363 u16 *hash_list = (u16 *)&msgbuf[1];
17367270 364 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
8a07a22d 365 struct ixgbe_hw *hw = &adapter->hw;
17367270 366 int i;
8a07a22d
GR		 367 u32 vector_bit;
368 u32 vector_reg;
369 u32 mta_reg;
b335e75b 370 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
17367270
GR		 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++) {
e81a1ba8 387 vfinfo->vf_mc_hashes[i] = hash_list[i];
17367270
GR		 388 }
389
8a07a22d
GR		 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));
b4f47a48 394 mta_reg |= BIT(vector_bit);
8a07a22d
GR		 395 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
396 }
b335e75b
JK		 397 vmolr |= IXGBE_VMOLR_ROMPE;
398 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
17367270
GR		 399
400 return 0;
401}
402
b335e75b 403#ifdef CONFIG_PCI_IOV
17367270
GR		 404void 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++) {
b335e75b 414 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
17367270
GR		 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));
b4f47a48 421 mta_reg |= BIT(vector_bit);
17367270
GR		 422 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
423 }
b335e75b
JK		 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);
17367270 430 }
a1cbb15c
GR		 431
432 /* Restore any VF macvlans */
5d7daa35 433 ixgbe_full_sync_mac_table(adapter);
17367270 434}
b335e75b 435#endif
17367270 436
5d5b7c39
ET		 437static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
438 u32 vf)
17367270 439{
b6488b66
AD		 440 struct ixgbe_hw *hw = &adapter->hw;
441 int err;
442
b6488b66
AD		 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
e1d0a2af
AD		 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
b6488b66 467 return err;
17367270
GR		 468}
469
872844dd 470static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
e9f98072
GR		 471{
472 struct ixgbe_hw *hw = &adapter->hw;
872844dd 473 int max_frame = msgbuf[1];
e9f98072 474 u32 max_frs;
e9f98072 475
872844dd
AD		 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 */
bffb3bc9
AD		 495 switch (adapter->vfinfo[vf].vf_api) {
496 case ixgbe_mbox_api_11:
4ce37a4c 497 case ixgbe_mbox_api_12:
07eea570 498 case ixgbe_mbox_api_13:
72698240 499 case ixgbe_mbox_api_14:
93df9465 500 /* Version 1.1 supports jumbo frames on VFs if PF has
bffb3bc9
AD		 501 * jumbo frames enabled which means legacy VFs are
502 * disabled
503 */
504 if (pf_max_frame > ETH_FRAME_LEN)
505 break;
93df9465 506 /* fall through */
bffb3bc9 507 default:
93df9465 508 /* If the PF or VF are running w/ jumbo frames enabled
bffb3bc9
AD		 509 * we need to shut down the VF Rx path as we cannot
510 * support jumbo frames on legacy VFs
511 */
512 if ((pf_max_frame > ETH_FRAME_LEN) ||
513 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
514 err = -EINVAL;
515 break;
516 }
872844dd
AD		 517
518 /* determine VF receive enable location */
519 vf_shift = vf % 32;
520 reg_offset = vf / 32;
521
522 /* enable or disable receive depending on error */
523 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
524 if (err)
b4f47a48 525 vfre &= ~BIT(vf_shift);
872844dd 526 else
b4f47a48 527 vfre |= BIT(vf_shift);
872844dd
AD		 528 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
529
530 if (err) {
531 e_err(drv, "VF max_frame %d out of range\n", max_frame);
532 return err;
533 }
534 }
e9f98072
GR		 535
536 /* MTU < 68 is an error and causes problems on some kernels */
872844dd
AD		 537 if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
538 e_err(drv, "VF max_frame %d out of range\n", max_frame);
539 return -EINVAL;
e9f98072
GR		 540 }
541
872844dd
AD		 542 /* pull current max frame size from hardware */
543 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
544 max_frs &= IXGBE_MHADD_MFS_MASK;
545 max_frs >>= IXGBE_MHADD_MFS_SHIFT;
546
547 if (max_frs < max_frame) {
548 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
e9f98072
GR		 549 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
550 }
551
872844dd
AD		 552 e_info(hw, "VF requests change max MTU to %d\n", max_frame);
553
554 return 0;
e9f98072
GR		 555}
556
5d5b7c39 557static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
17367270
GR		 558{
559 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
b335e75b 560 vmolr |= IXGBE_VMOLR_BAM;
f0412776
GR		 561 if (aupe)
562 vmolr |= IXGBE_VMOLR_AUPE;
563 else
564 vmolr &= ~IXGBE_VMOLR_AUPE;
17367270
GR		 565 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
566}
567
107d3018
AD		 568static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
569{
570 struct ixgbe_hw *hw = &adapter->hw;
571
572 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
573}
4c7f35f6
AD		 574
575static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf)
576{
577 struct ixgbe_hw *hw = &adapter->hw;
18be4fce
AD		 578 u32 vlvfb_mask, pool_mask, i;
579
580 /* create mask for VF and other pools */
b4f47a48
JK		 581 pool_mask = ~BIT(VMDQ_P(0) % 32);
582 vlvfb_mask = BIT(vf % 32);
4c7f35f6
AD		 583
584 /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */
585 for (i = IXGBE_VLVF_ENTRIES; i--;) {
4c7f35f6 586 u32 bits[2], vlvfb, vid, vfta, vlvf;
ab3a3b7b 587 u32 word = i * 2 + vf / 32;
18be4fce 588 u32 mask;
4c7f35f6 589
ab3a3b7b 590 vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word));
4c7f35f6
AD		 591
592 /* if our bit isn't set we can skip it */
18be4fce 593 if (!(vlvfb & vlvfb_mask))
4c7f35f6
AD		 594 continue;
595
596 /* clear our bit from vlvfb */
18be4fce 597 vlvfb ^= vlvfb_mask;
4c7f35f6
AD		 598
599 /* create 64b mask to chedk to see if we should clear VLVF */
600 bits[word % 2] = vlvfb;
ab3a3b7b 601 bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1));
4c7f35f6 602
4c7f35f6 603 /* if other pools are present, just remove ourselves */
18be4fce
AD		 604 if (bits[(VMDQ_P(0) / 32) ^ 1] ||
605 (bits[VMDQ_P(0) / 32] & pool_mask))
4c7f35f6
AD		 606 goto update_vlvfb;
607
18be4fce
AD		 608 /* if PF is present, leave VFTA */
609 if (bits[0] || bits[1])
610 goto update_vlvf;
611
4c7f35f6
AD		 612 /* if we cannot determine VLAN just remove ourselves */
613 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i));
614 if (!vlvf)
615 goto update_vlvfb;
616
617 vid = vlvf & VLAN_VID_MASK;
b4f47a48 618 mask = BIT(vid % 32);
4c7f35f6
AD		 619
620 /* clear bit from VFTA */
621 vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32));
622 if (vfta & mask)
623 IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask);
624update_vlvf:
625 /* clear POOL selection enable */
626 IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0);
18be4fce
AD		 627
628 if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
629 vlvfb = 0;
4c7f35f6
AD		 630update_vlvfb:
631 /* clear pool bits */
632 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb);
633 }
634}
635
a1cbb15c
GR		 636static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
637 int vf, int index, unsigned char *mac_addr)
638{
a1cbb15c 639 struct vf_macvlans *entry;
0e1ff306
TN		 640 struct list_head *pos;
641 int retval = 0;
a1cbb15c
GR		 642
643 if (index <= 1) {
644 list_for_each(pos, &adapter->vf_mvs.l) {
645 entry = list_entry(pos, struct vf_macvlans, l);
646 if (entry->vf == vf) {
647 entry->vf = -1;
648 entry->free = true;
649 entry->is_macvlan = false;
5d7daa35
JK		 650 ixgbe_del_mac_filter(adapter,
651 entry->vf_macvlan, vf);
a1cbb15c
GR		 652 }
653 }
654 }
655
656 /*
657 * If index was zero then we were asked to clear the uc list
658 * for the VF. We're done.
659 */
660 if (!index)
661 return 0;
662
663 entry = NULL;
664
665 list_for_each(pos, &adapter->vf_mvs.l) {
666 entry = list_entry(pos, struct vf_macvlans, l);
667 if (entry->free)
668 break;
669 }
670
671 /*
672 * If we traversed the entire list and didn't find a free entry
673 * then we're out of space on the RAR table. Also entry may
674 * be NULL because the original memory allocation for the list
675 * failed, which is not fatal but does mean we can't support
676 * VF requests for MACVLAN because we couldn't allocate
677 * memory for the list management required.
678 */
679 if (!entry || !entry->free)
680 return -ENOSPC;
681
0e1ff306
TN		 682 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf);
683 if (retval < 0)
684 return retval;
685
a1cbb15c
GR		 686 entry->free = false;
687 entry->is_macvlan = true;
688 entry->vf = vf;
689 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
690
a1cbb15c
GR		 691 return 0;
692}
693
e251ecf7
ET		 694static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
695{
696 struct ixgbe_hw *hw = &adapter->hw;
939b701a 697 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
e251ecf7 698 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
939b701a 699 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
0efbf12b 700 u8 num_tcs = adapter->hw_tcs;
939b701a
SB		 701 u32 reg_val;
702 u32 queue;
703 u32 word;
e251ecf7
ET		 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
6702185c 725 if (vfinfo->spoofchk_enabled) {
e251ecf7 726 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
6702185c
RT		 727 hw->mac.ops.set_mac_anti_spoofing(hw, true, vf);
728 }
e251ecf7
ET		 729 }
730
731 /* reset multicast table array for vf */
732 adapter->vfinfo[vf].num_vf_mc_hashes = 0;
733
72698240
SN		 734 /* clear any ipsec table info */
735 ixgbe_ipsec_vf_clear(adapter, vf);
736
e251ecf7
ET		 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;
939b701a
SB		 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 /* Clear VF's mailbox memory */
762 for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++)
763 IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0);
764
765 IXGBE_WRITE_FLUSH(hw);
e251ecf7
ET		 766}
767
768static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
769 int vf, unsigned char *mac_addr)
770{
6af3d0fa
TN		 771 s32 retval;
772
e251ecf7 773 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
6af3d0fa
TN		 774 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf);
775 if (retval >= 0)
776 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr,
777 ETH_ALEN);
778 else
779 memset(adapter->vfinfo[vf].vf_mac_addresses, 0, ETH_ALEN);
e251ecf7 780
6af3d0fa 781 return retval;
e251ecf7
ET		 782}
783
17367270
GR		 784int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
785{
c60fbb00 786 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
17367270
GR		 787 unsigned int vfn = (event_mask & 0x3f);
788
789 bool enable = ((event_mask & 0x10000000U) != 0);
790
d458cdf7
JP		 791 if (enable)
792 eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses);
17367270
GR		 793
794 return 0;
795}
796
8d697e7e
DS		 797static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
798 u32 qde)
799{
800 struct ixgbe_hw *hw = &adapter->hw;
801 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
802 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
803 int i;
804
805 for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
806 u32 reg;
807
808 /* flush previous write */
809 IXGBE_WRITE_FLUSH(hw);
810
811 /* indicate to hardware that we want to set drop enable */
d28b1949 812 reg = IXGBE_QDE_WRITE | qde;
8d697e7e
DS		 813 reg |= i << IXGBE_QDE_IDX_SHIFT;
814 IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
815 }
816}
817
58a02bee 818static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
17367270 819{
87397379 820 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
17367270 821 struct ixgbe_hw *hw = &adapter->hw;
58a02bee 822 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
b08e1ed9
ET		 823 u32 reg, reg_offset, vf_shift;
824 u32 msgbuf[4] = {0, 0, 0, 0};
58a02bee 825 u8 *addr = (u8 *)(&msgbuf[1]);
87397379
AD		 826 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
827 int i;
58a02bee
AD		 828
829 e_info(probe, "VF Reset msg received from vf %d\n", vf);
830
831 /* reset the filters for the device */
832 ixgbe_vf_reset_event(adapter, vf);
833
834 /* set vf mac address */
35055928
GR		 835 if (!is_zero_ether_addr(vf_mac))
836 ixgbe_set_vf_mac(adapter, vf, vf_mac);
17367270
GR		 837
838 vf_shift = vf % 32;
839 reg_offset = vf / 32;
840
58a02bee 841 /* enable transmit for vf */
17367270 842 reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
b4f47a48 843 reg |= BIT(vf_shift);
17367270
GR		 844 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
845
87397379 846 /* force drop enable for all VF Rx queues */
b03254d7
PG		 847 reg = IXGBE_QDE_ENABLE;
848 if (adapter->vfinfo[vf].pf_vlan)
849 reg |= IXGBE_QDE_HIDE_VLAN;
850
851 ixgbe_write_qde(adapter, vf, reg);
87397379 852
58a02bee 853 /* enable receive for vf */
17367270 854 reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
b4f47a48 855 reg |= BIT(vf_shift);
872844dd
AD		 856 /*
857 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
858 * For more info take a look at ixgbe_set_vf_lpe
859 */
860 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
861 struct net_device *dev = adapter->netdev;
862 int pf_max_frame = dev->mtu + ETH_HLEN;
863
864#ifdef CONFIG_FCOE
865 if (dev->features & NETIF_F_FCOE_MTU)
866 pf_max_frame = max_t(int, pf_max_frame,
867 IXGBE_FCOE_JUMBO_FRAME_SIZE);
868
869#endif /* CONFIG_FCOE */
870 if (pf_max_frame > ETH_FRAME_LEN)
b4f47a48 871 reg &= ~BIT(vf_shift);
872844dd 872 }
17367270
GR		 873 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
874
58a02bee
AD		 875 /* enable VF mailbox for further messages */
876 adapter->vfinfo[vf].clear_to_send = true;
877
a985b6c3
GR		 878 /* Enable counting of spoofed packets in the SSVPC register */
879 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
b4f47a48 880 reg |= BIT(vf_shift);
a985b6c3
GR		 881 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
882
dbf231af
AD		 883 /*
884 * Reset the VFs TDWBAL and TDWBAH registers
885 * which are not cleared by an FLR
886 */
887 for (i = 0; i < q_per_pool; i++) {
888 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
889 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
890 }
891
58a02bee 892 /* reply to reset with ack and vf mac address */
35055928 893 msgbuf[0] = IXGBE_VF_RESET;
a8d9bb3d 894 if (!is_zero_ether_addr(vf_mac) && adapter->vfinfo[vf].pf_set_mac) {
35055928
GR		 895 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
896 memcpy(addr, vf_mac, ETH_ALEN);
897 } else {
898 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
35055928 899 }
58a02bee
AD		 900
901 /*
902 * Piggyback the multicast filter type so VF can compute the
903 * correct vectors
904 */
905 msgbuf[3] = hw->mac.mc_filter_type;
906 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
907
908 return 0;
909}
910
911static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
912 u32 *msgbuf, u32 vf)
913{
914 u8 *new_mac = ((u8 *)(&msgbuf[1]));
915
916 if (!is_valid_ether_addr(new_mac)) {
917 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
918 return -1;
919 }
920
1d96cf98 921 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
4012dda3 922 !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
58a02bee
AD		 923 e_warn(drv,
924 "VF %d attempted to override administratively set MAC address\n"
925 "Reload the VF driver to resume operations\n",
926 vf);
927 return -1;
928 }
929
3970c323 930 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0;
58a02bee
AD		 931}
932
933static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
934 u32 *msgbuf, u32 vf)
935{
e1d0a2af
AD		 936 u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
937 u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
0efbf12b 938 u8 tcs = adapter->hw_tcs;
58a02bee 939
107d3018 940 if (adapter->vfinfo[vf].pf_vlan || tcs) {
58a02bee
AD		 941 e_warn(drv,
942 "VF %d attempted to override administratively set VLAN configuration\n"
943 "Reload the VF driver to resume operations\n",
944 vf);
945 return -1;
946 }
947
4c7f35f6
AD		 948 /* VLAN 0 is a special case, don't allow it to be removed */
949 if (!vid && !add)
950 return 0;
951
d3dec7c7 952 return ixgbe_set_vf_vlan(adapter, add, vid, vf);
58a02bee
AD		 953}
954
955static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
956 u32 *msgbuf, u32 vf)
957{
958 u8 *new_mac = ((u8 *)(&msgbuf[1]));
959 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
960 IXGBE_VT_MSGINFO_SHIFT;
961 int err;
962
a9d2d53a
KC		 963 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
964 index > 0) {
58a02bee
AD		 965 e_warn(drv,
966 "VF %d requested MACVLAN filter but is administratively denied\n",
967 vf);
968 return -1;
969 }
970
971 /* An non-zero index indicates the VF is setting a filter */
972 if (index) {
973 if (!is_valid_ether_addr(new_mac)) {
974 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
975 return -1;
976 }
977
978 /*
979 * If the VF is allowed to set MAC filters then turn off
980 * anti-spoofing to avoid false positives.
981 */
77f192af
ET		 982 if (adapter->vfinfo[vf].spoofchk_enabled) {
983 struct ixgbe_hw *hw = &adapter->hw;
984
985 hw->mac.ops.set_mac_anti_spoofing(hw, false, vf);
581e0c7d 986 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
77f192af 987 }
58a02bee
AD		 988 }
989
990 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
991 if (err == -ENOSPC)
992 e_warn(drv,
993 "VF %d has requested a MACVLAN filter but there is no space for it\n",
994 vf);
a3013405
GR		 995
996 return err < 0;
17367270
GR		 997}
998
374c65d6
AD		 999static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
1000 u32 *msgbuf, u32 vf)
1001{
1002 int api = msgbuf[1];
1003
1004 switch (api) {
1005 case ixgbe_mbox_api_10:
bffb3bc9 1006 case ixgbe_mbox_api_11:
4ce37a4c 1007 case ixgbe_mbox_api_12:
07eea570 1008 case ixgbe_mbox_api_13:
72698240 1009 case ixgbe_mbox_api_14:
374c65d6
AD		 1010 adapter->vfinfo[vf].vf_api = api;
1011 return 0;
1012 default:
1013 break;
1014 }
1015
1016 e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
1017
1018 return -1;
1019}
1020
f591cd9d
AD		 1021static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
1022 u32 *msgbuf, u32 vf)
1023{
1024 struct net_device *dev = adapter->netdev;
1025 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1026 unsigned int default_tc = 0;
0efbf12b 1027 u8 num_tcs = adapter->hw_tcs;
f591cd9d
AD		 1028
1029 /* verify the PF is supporting the correct APIs */
1030 switch (adapter->vfinfo[vf].vf_api) {
1031 case ixgbe_mbox_api_20:
1032 case ixgbe_mbox_api_11:
4ce37a4c 1033 case ixgbe_mbox_api_12:
07eea570 1034 case ixgbe_mbox_api_13:
72698240 1035 case ixgbe_mbox_api_14:
f591cd9d
AD		 1036 break;
1037 default:
1038 return -1;
1039 }
1040
1041 /* only allow 1 Tx queue for bandwidth limiting */
1042 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1043 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
1044
1045 /* if TCs > 1 determine which TC belongs to default user priority */
1046 if (num_tcs > 1)
1047 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
1048
1049 /* notify VF of need for VLAN tag stripping, and correct queue */
1050 if (num_tcs)
1051 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
1052 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
1053 msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
1054 else
1055 msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
1056
1057 /* notify VF of default queue */
1058 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
1059
1060 return 0;
1061}
1062
4ce37a4c
VZ		 1063static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
1064{
1065 u32 i, j;
1066 u32 *out_buf = &msgbuf[1];
1067 const u8 *reta = adapter->rss_indir_tbl;
1068 u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
1069
1070 /* Check if operation is permitted */
1071 if (!adapter->vfinfo[vf].rss_query_enabled)
1072 return -EPERM;
1073
1074 /* verify the PF is supporting the correct API */
07eea570 1075 switch (adapter->vfinfo[vf].vf_api) {
72698240 1076 case ixgbe_mbox_api_14:
07eea570
DS		 1077 case ixgbe_mbox_api_13:
1078 case ixgbe_mbox_api_12:
1079 break;
1080 default:
4ce37a4c 1081 return -EOPNOTSUPP;
07eea570 1082 }
4ce37a4c
VZ		 1083
1084 /* This mailbox command is supported (required) only for 82599 and x540
1085 * VFs which support up to 4 RSS queues. Therefore we will compress the
1086 * RETA by saving only 2 bits from each entry. This way we will be able
1087 * to transfer the whole RETA in a single mailbox operation.
1088 */
1089 for (i = 0; i < reta_size / 16; i++) {
1090 out_buf[i] = 0;
1091 for (j = 0; j < 16; j++)
1092 out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
1093 }
1094
1095 return 0;
1096}
1097
3c0841a9
VZ		 1098static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
1099 u32 *msgbuf, u32 vf)
1100{
1101 u32 *rss_key = &msgbuf[1];
1102
1103 /* Check if the operation is permitted */
1104 if (!adapter->vfinfo[vf].rss_query_enabled)
1105 return -EPERM;
1106
1107 /* verify the PF is supporting the correct API */
07eea570 1108 switch (adapter->vfinfo[vf].vf_api) {
72698240 1109 case ixgbe_mbox_api_14:
07eea570
DS		 1110 case ixgbe_mbox_api_13:
1111 case ixgbe_mbox_api_12:
1112 break;
1113 default:
3c0841a9 1114 return -EOPNOTSUPP;
07eea570 1115 }
3c0841a9 1116
3dfbfc7e 1117 memcpy(rss_key, adapter->rss_key, IXGBE_RSS_KEY_SIZE);
3c0841a9
VZ		 1118
1119 return 0;
1120}
1121
8443c1a4
HS		 1122static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
1123 u32 *msgbuf, u32 vf)
1124{
1125 struct ixgbe_hw *hw = &adapter->hw;
1126 int xcast_mode = msgbuf[1];
07eea570 1127 u32 vmolr, fctrl, disable, enable;
8443c1a4
HS		 1128
1129 /* verify the PF is supporting the correct APIs */
1130 switch (adapter->vfinfo[vf].vf_api) {
1131 case ixgbe_mbox_api_12:
07eea570
DS		 1132 /* promisc introduced in 1.3 version */
1133 if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
1134 return -EOPNOTSUPP;
72698240 1135 /* Fall through */
07eea570 1136 case ixgbe_mbox_api_13:
72698240 1137 case ixgbe_mbox_api_14:
8443c1a4
HS		 1138 break;
1139 default:
1140 return -EOPNOTSUPP;
1141 }
1142
1143 if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
1144 !adapter->vfinfo[vf].trusted) {
1145 xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
1146 }
1147
1148 if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
1149 goto out;
1150
1151 switch (xcast_mode) {
1152 case IXGBEVF_XCAST_MODE_NONE:
07eea570
DS		 1153 disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
1154 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
8443c1a4
HS		 1155 enable = 0;
1156 break;
1157 case IXGBEVF_XCAST_MODE_MULTI:
07eea570 1158 disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
8443c1a4
HS		 1159 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
1160 break;
1161 case IXGBEVF_XCAST_MODE_ALLMULTI:
07eea570 1162 disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
8443c1a4
HS		 1163 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
1164 break;
07eea570
DS		 1165 case IXGBEVF_XCAST_MODE_PROMISC:
1166 if (hw->mac.type <= ixgbe_mac_82599EB)
1167 return -EOPNOTSUPP;
1168
1169 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1170 if (!(fctrl & IXGBE_FCTRL_UPE)) {
1171 /* VF promisc requires PF in promisc */
1172 e_warn(drv,
1173 "Enabling VF promisc requires PF in promisc\n");
1174 return -EPERM;
1175 }
1176
1177 disable = 0;
1178 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
1179 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
1180 break;
8443c1a4
HS		 1181 default:
1182 return -EOPNOTSUPP;
1183 }
1184
1185 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
1186 vmolr &= ~disable;
1187 vmolr |= enable;
1188 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
1189
1190 adapter->vfinfo[vf].xcast_mode = xcast_mode;
1191
1192out:
1193 msgbuf[1] = xcast_mode;
1194
1195 return 0;
1196}
1197
17367270
GR		 1198static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1199{
1200 u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
c050999e 1201 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
17367270
GR		 1202 struct ixgbe_hw *hw = &adapter->hw;
1203 s32 retval;
17367270
GR		 1204
1205 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
1206
dcaccc82 1207 if (retval) {
849c4542 1208 pr_err("Error receiving message from VF\n");
dcaccc82
AD		 1209 return retval;
1210 }
17367270
GR		 1211
1212 /* this is a message we already processed, do nothing */
1213 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
e90dd264 1214 return 0;
17367270 1215
dcaccc82
AD		 1216 /* flush the ack before we write any messages back */
1217 IXGBE_WRITE_FLUSH(hw);
1218
374c65d6
AD		 1219 if (msgbuf[0] == IXGBE_VF_RESET)
1220 return ixgbe_vf_reset_msg(adapter, vf);
1221
17367270
GR		 1222 /*
1223 * until the vf completes a virtual function reset it should not be
1224 * allowed to start any configuration.
1225 */
17367270
GR		 1226 if (!adapter->vfinfo[vf].clear_to_send) {
1227 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1228 ixgbe_write_mbx(hw, msgbuf, 1, vf);
e90dd264 1229 return 0;
17367270
GR		 1230 }
1231
1232 switch ((msgbuf[0] & 0xFFFF)) {
1233 case IXGBE_VF_SET_MAC_ADDR:
58a02bee 1234 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
17367270
GR		 1235 break;
1236 case IXGBE_VF_SET_MULTICAST:
58a02bee
AD		 1237 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
1238 break;
1239 case IXGBE_VF_SET_VLAN:
1240 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
17367270
GR		 1241 break;
1242 case IXGBE_VF_SET_LPE:
872844dd 1243 retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
17367270 1244 break;
a1cbb15c 1245 case IXGBE_VF_SET_MACVLAN:
58a02bee 1246 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
a1cbb15c 1247 break;
374c65d6
AD		 1248 case IXGBE_VF_API_NEGOTIATE:
1249 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
1250 break;
f591cd9d
AD		 1251 case IXGBE_VF_GET_QUEUES:
1252 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
1253 break;
4ce37a4c
VZ		 1254 case IXGBE_VF_GET_RETA:
1255 retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
1256 break;
3c0841a9
VZ		 1257 case IXGBE_VF_GET_RSS_KEY:
1258 retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
1259 break;
8443c1a4
HS		 1260 case IXGBE_VF_UPDATE_XCAST_MODE:
1261 retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
1262 break;
72698240
SN		 1263 case IXGBE_VF_IPSEC_ADD:
1264 retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf);
1265 break;
1266 case IXGBE_VF_IPSEC_DEL:
1267 retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf);
1268 break;
17367270 1269 default:
396e799c 1270 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
17367270
GR		 1271 retval = IXGBE_ERR_MBX;
1272 break;
1273 }
1274
1275 /* notify the VF of the results of what it sent us */
1276 if (retval)
1277 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1278 else
1279 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
1280
1281 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
1282
374c65d6 1283 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
17367270
GR		 1284
1285 return retval;
1286}
1287
1288static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1289{
1290 struct ixgbe_hw *hw = &adapter->hw;
1291 u32 msg = IXGBE_VT_MSGTYPE_NACK;
1292
1293 /* if device isn't clear to send it shouldn't be reading either */
1294 if (!adapter->vfinfo[vf].clear_to_send)
1295 ixgbe_write_mbx(hw, &msg, 1, vf);
1296}
1297
1298void ixgbe_msg_task(struct ixgbe_adapter *adapter)
1299{
1300 struct ixgbe_hw *hw = &adapter->hw;
1301 u32 vf;
1302
1303 for (vf = 0; vf < adapter->num_vfs; vf++) {
1304 /* process any reset requests */
1305 if (!ixgbe_check_for_rst(hw, vf))
1306 ixgbe_vf_reset_event(adapter, vf);
1307
1308 /* process any messages pending */
1309 if (!ixgbe_check_for_msg(hw, vf))
1310 ixgbe_rcv_msg_from_vf(adapter, vf);
1311
1312 /* process any acks */
1313 if (!ixgbe_check_for_ack(hw, vf))
1314 ixgbe_rcv_ack_from_vf(adapter, vf);
1315 }
1316}
1317
767081ad
GR		 1318void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
1319{
1320 struct ixgbe_hw *hw = &adapter->hw;
1321
1322 /* disable transmit and receive for all vfs */
1323 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
1324 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
1325
1326 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
1327 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
1328}
1329
54011e4d
HS		 1330static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
1331{
1332 struct ixgbe_hw *hw = &adapter->hw;
1333 u32 ping;
1334
1335 ping = IXGBE_PF_CONTROL_MSG;
1336 if (adapter->vfinfo[vf].clear_to_send)
1337 ping |= IXGBE_VT_MSGTYPE_CTS;
1338 ixgbe_write_mbx(hw, &ping, 1, vf);
1339}
1340
767081ad
GR		 1341void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
1342{
1343 struct ixgbe_hw *hw = &adapter->hw;
1344 u32 ping;
1345 int i;
1346
1347 for (i = 0 ; i < adapter->num_vfs; i++) {
1348 ping = IXGBE_PF_CONTROL_MSG;
1349 if (adapter->vfinfo[i].clear_to_send)
1350 ping |= IXGBE_VT_MSGTYPE_CTS;
1351 ixgbe_write_mbx(hw, &ping, 1, i);
1352 }
1353}
1354
7f01648a
GR		 1355int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1356{
1357 struct ixgbe_adapter *adapter = netdev_priv(netdev);
6af3d0fa 1358 s32 retval;
27bdc44c
TN		 1359
1360 if (vf >= adapter->num_vfs)
1361 return -EINVAL;
1362
6af3d0fa 1363 if (is_valid_ether_addr(mac)) {
27bdc44c
TN		 1364 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n",
1365 mac, vf);
1366 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective.");
6af3d0fa
TN		 1367
1368 retval = ixgbe_set_vf_mac(adapter, vf, mac);
1369 if (retval >= 0) {
1370 adapter->vfinfo[vf].pf_set_mac = true;
1371
1372 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1373 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n");
1374 dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n");
1375 }
1376 } else {
1377 dev_warn(&adapter->pdev->dev, "The VF MAC address was NOT set due to invalid or duplicate MAC address.\n");
1378 }
1379 } else if (is_zero_ether_addr(mac)) {
1380 unsigned char *vf_mac_addr =
1381 adapter->vfinfo[vf].vf_mac_addresses;
1382
1383 /* nothing to do */
1384 if (is_zero_ether_addr(vf_mac_addr))
1385 return 0;
1386
1387 dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf);
1388
1389 retval = ixgbe_del_mac_filter(adapter, vf_mac_addr, vf);
1390 if (retval >= 0) {
1391 adapter->vfinfo[vf].pf_set_mac = false;
1392 memcpy(vf_mac_addr, mac, ETH_ALEN);
1393 } else {
1394 dev_warn(&adapter->pdev->dev, "Could NOT remove the VF MAC address.\n");
27bdc44c
TN		 1395 }
1396 } else {
6af3d0fa 1397 retval = -EINVAL;
7f01648a 1398 }
27bdc44c 1399
6af3d0fa 1400 return retval;
7f01648a
GR		 1401}
1402
2b509c0c
DS		 1403static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
1404 u16 vlan, u8 qos)
1405{
1406 struct ixgbe_hw *hw = &adapter->hw;
42ce2c8e 1407 int err;
2b509c0c 1408
42ce2c8e 1409 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
2b509c0c
DS		 1410 if (err)
1411 goto out;
42ce2c8e 1412
4c7f35f6
AD		 1413 /* Revoke tagless access via VLAN 0 */
1414 ixgbe_set_vf_vlan(adapter, false, 0, vf);
1415
2b509c0c
DS		 1416 ixgbe_set_vmvir(adapter, vlan, qos, vf);
1417 ixgbe_set_vmolr(hw, vf, false);
9a75a1ac
DS		 1418
1419 /* enable hide vlan on X550 */
1420 if (hw->mac.type >= ixgbe_mac_X550)
1421 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
1422 IXGBE_QDE_HIDE_VLAN);
1423
2b509c0c
DS		 1424 adapter->vfinfo[vf].pf_vlan = vlan;
1425 adapter->vfinfo[vf].pf_qos = qos;
1426 dev_info(&adapter->pdev->dev,
1427 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
1428 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1429 dev_warn(&adapter->pdev->dev,
1430 "The VF VLAN has been set, but the PF device is not up.\n");
1431 dev_warn(&adapter->pdev->dev,
1432 "Bring the PF device up before attempting to use the VF device.\n");
1433 }
1434
1435out:
1436 return err;
1437}
1438
1439static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
1440{
1441 struct ixgbe_hw *hw = &adapter->hw;
1442 int err;
1443
1444 err = ixgbe_set_vf_vlan(adapter, false,
1445 adapter->vfinfo[vf].pf_vlan, vf);
4c7f35f6
AD		 1446 /* Restore tagless access via VLAN 0 */
1447 ixgbe_set_vf_vlan(adapter, true, 0, vf);
2b509c0c
DS		 1448 ixgbe_clear_vmvir(adapter, vf);
1449 ixgbe_set_vmolr(hw, vf, true);
42ce2c8e
ET		 1450
1451 /* disable hide VLAN on X550 */
1452 if (hw->mac.type >= ixgbe_mac_X550)
1453 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
1454
2b509c0c
DS		 1455 adapter->vfinfo[vf].pf_vlan = 0;
1456 adapter->vfinfo[vf].pf_qos = 0;
1457
1458 return err;
1459}
1460
79aab093
MS		 1461int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
1462 u8 qos, __be16 vlan_proto)
7f01648a
GR		 1463{
1464 int err = 0;
1465 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1466
1467 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
1468 return -EINVAL;
79aab093
MS		 1469 if (vlan_proto != htons(ETH_P_8021Q))
1470 return -EPROTONOSUPPORT;
7f01648a 1471 if (vlan || qos) {
2b509c0c
DS		 1472 /* Check if there is already a port VLAN set, if so
1473 * we have to delete the old one first before we
1474 * can set the new one. The usage model had
1475 * previously assumed the user would delete the
1476 * old port VLAN before setting a new one but this
1477 * is not necessarily the case.
1478 */
026ac677 1479 if (adapter->vfinfo[vf].pf_vlan)
2b509c0c 1480 err = ixgbe_disable_port_vlan(adapter, vf);
026ac677
GR		 1481 if (err)
1482 goto out;
2b509c0c 1483 err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
7f01648a 1484 } else {
2b509c0c 1485 err = ixgbe_disable_port_vlan(adapter, vf);
e7cf745b 1486 }
2b509c0c 1487
7f01648a 1488out:
e7cf745b 1489 return err;
7f01648a
GR		 1490}
1491
c04f90e5 1492int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
ff4ab206 1493{
9f66d3ee 1494 switch (adapter->link_speed) {
ff4ab206
LL		 1495 case IXGBE_LINK_SPEED_100_FULL:
1496 return 100;
1497 case IXGBE_LINK_SPEED_1GB_FULL:
1498 return 1000;
1499 case IXGBE_LINK_SPEED_10GB_FULL:
1500 return 10000;
1501 default:
1502 return 0;
1503 }
1504}
1505
9f66d3ee 1506static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
ff4ab206 1507{
9f66d3ee
AD		 1508 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1509 struct ixgbe_hw *hw = &adapter->hw;
1510 u32 bcnrc_val = 0;
1511 u16 queue, queues_per_pool;
1512 u16 tx_rate = adapter->vfinfo[vf].tx_rate;
1513
1514 if (tx_rate) {
1515 /* start with base link speed value */
1516 bcnrc_val = adapter->vf_rate_link_speed;
ff4ab206 1517
ff4ab206 1518 /* Calculate the rate factor values to set */
9f66d3ee
AD		 1519 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
1520 bcnrc_val /= tx_rate;
1521
1522 /* clear everything but the rate factor */
1523 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
1524 IXGBE_RTTBCNRC_RF_DEC_MASK;
1525
1526 /* enable the rate scheduler */
1527 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
ff4ab206
LL		 1528 }
1529
7555e83d
LL		 1530 /*
1531 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
1532 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
1533 * and 0x004 otherwise.
1534 */
1535 switch (hw->mac.type) {
1536 case ixgbe_mac_82599EB:
1537 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
1538 break;
1539 case ixgbe_mac_X540:
1540 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
1541 break;
1542 default:
1543 break;
1544 }
1545
9f66d3ee
AD		 1546 /* determine how many queues per pool based on VMDq mask */
1547 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
1548
1549 /* write value for all Tx queues belonging to VF */
1550 for (queue = 0; queue < queues_per_pool; queue++) {
1551 unsigned int reg_idx = (vf * queues_per_pool) + queue;
1552
1553 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
1554 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
1555 }
ff4ab206
LL		 1556}
1557
1558void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
1559{
9f66d3ee 1560 int i;
ff4ab206
LL		 1561
1562 /* VF Tx rate limit was not set */
9f66d3ee 1563 if (!adapter->vf_rate_link_speed)
ff4ab206
LL		 1564 return;
1565
9f66d3ee 1566 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
ff4ab206
LL		 1567 adapter->vf_rate_link_speed = 0;
1568 dev_info(&adapter->pdev->dev,
9f66d3ee 1569 "Link speed has been changed. VF Transmit rate is disabled\n");
ff4ab206
LL		 1570 }
1571
1572 for (i = 0; i < adapter->num_vfs; i++) {
9f66d3ee 1573 if (!adapter->vf_rate_link_speed)
ff4ab206
LL		 1574 adapter->vfinfo[i].tx_rate = 0;
1575
9f66d3ee 1576 ixgbe_set_vf_rate_limit(adapter, i);
ff4ab206
LL		 1577 }
1578}
1579
ed616689
SC		 1580int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
1581 int max_tx_rate)
7f01648a 1582{
ff4ab206 1583 struct ixgbe_adapter *adapter = netdev_priv(netdev);
9f66d3ee
AD		 1584 int link_speed;
1585
1586 /* verify VF is active */
1587 if (vf >= adapter->num_vfs)
1588 return -EINVAL;
1589
1590 /* verify link is up */
1591 if (!adapter->link_up)
1592 return -EINVAL;
1593
1594 /* verify we are linked at 10Gbps */
1595 link_speed = ixgbe_link_mbps(adapter);
1596 if (link_speed != 10000)
1597 return -EINVAL;
ff4ab206 1598
ed616689
SC		 1599 if (min_tx_rate)
1600 return -EINVAL;
1601
9f66d3ee 1602 /* rate limit cannot be less than 10Mbs or greater than link speed */
ed616689 1603 if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
ff4ab206
LL		 1604 return -EINVAL;
1605
9f66d3ee
AD		 1606 /* store values */
1607 adapter->vf_rate_link_speed = link_speed;
ed616689 1608 adapter->vfinfo[vf].tx_rate = max_tx_rate;
9f66d3ee
AD		 1609
1610 /* update hardware configuration */
1611 ixgbe_set_vf_rate_limit(adapter, vf);
ff4ab206
LL		 1612
1613 return 0;
7f01648a
GR		 1614}
1615
de4c7f65
GR		 1616int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
1617{
1618 struct ixgbe_adapter *adapter = netdev_priv(netdev);
de4c7f65 1619 struct ixgbe_hw *hw = &adapter->hw;
de4c7f65 1620
600a507d
ET		 1621 if (vf >= adapter->num_vfs)
1622 return -EINVAL;
1623
de4c7f65
GR		 1624 adapter->vfinfo[vf].spoofchk_enabled = setting;
1625
77f192af
ET		 1626 /* configure MAC spoofing */
1627 hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf);
1628
1629 /* configure VLAN spoofing */
d3dec7c7 1630 hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf);
77f192af
ET		 1631
1632 /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be
1633 * calling set_ethertype_anti_spoofing for each VF in loop below
1634 */
1635 if (hw->mac.ops.set_ethertype_anti_spoofing) {
1636 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP),
1637 (IXGBE_ETQF_FILTER_EN |
1638 IXGBE_ETQF_TX_ANTISPOOF |
1639 IXGBE_ETH_P_LLDP));
1640
1641 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC),
1642 (IXGBE_ETQF_FILTER_EN |
1643 IXGBE_ETQF_TX_ANTISPOOF |
1644 ETH_P_PAUSE));
1645
1646 hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf);
de4c7f65
GR		 1647 }
1648
1649 return 0;
1650}
1651
e65ce0d3
VZ		 1652int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
1653 bool setting)
1654{
1655 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1656
1657 /* This operation is currently supported only for 82599 and x540
1658 * devices.
1659 */
1660 if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
1661 adapter->hw.mac.type >= ixgbe_mac_X550)
1662 return -EOPNOTSUPP;
1663
1664 if (vf >= adapter->num_vfs)
1665 return -EINVAL;
1666
1667 adapter->vfinfo[vf].rss_query_enabled = setting;
1668
1669 return 0;
1670}
1671
54011e4d
HS		 1672int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
1673{
1674 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1675
1676 if (vf >= adapter->num_vfs)
1677 return -EINVAL;
1678
1679 /* nothing to do */
1680 if (adapter->vfinfo[vf].trusted == setting)
1681 return 0;
1682
1683 adapter->vfinfo[vf].trusted = setting;
1684
1685 /* reset VF to reconfigure features */
1686 adapter->vfinfo[vf].clear_to_send = false;
1687 ixgbe_ping_vf(adapter, vf);
1688
1689 e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not ");
1690
1691 return 0;
1692}
1693
7f01648a
GR		 1694int ixgbe_ndo_get_vf_config(struct net_device *netdev,
1695 int vf, struct ifla_vf_info *ivi)
1696{
1697 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1698 if (vf >= adapter->num_vfs)
1699 return -EINVAL;
1700 ivi->vf = vf;
1701 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
ed616689
SC		 1702 ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
1703 ivi->min_tx_rate = 0;
7f01648a
GR		 1704 ivi->vlan = adapter->vfinfo[vf].pf_vlan;
1705 ivi->qos = adapter->vfinfo[vf].pf_qos;
de4c7f65 1706 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
e65ce0d3 1707 ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
54011e4d 1708 ivi->trusted = adapter->vfinfo[vf].trusted;
7f01648a
GR		 1709 return 0;
1710}
Linux 6.x block layer and io_uring tree(s)