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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge
[deliverable/linux.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_sriov.c
CommitLineData
17367270
GR		 1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
94971820 4 Copyright(c) 1999 - 2012 Intel Corporation.
17367270
GR		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
17367270
GR		 28#include <linux/types.h>
29#include <linux/module.h>
30#include <linux/pci.h>
31#include <linux/netdevice.h>
32#include <linux/vmalloc.h>
33#include <linux/string.h>
34#include <linux/in.h>
35#include <linux/ip.h>
36#include <linux/tcp.h>
37#include <linux/ipv6.h>
38#ifdef NETIF_F_HW_VLAN_TX
39#include <linux/if_vlan.h>
40#endif
41
42#include "ixgbe.h"
c6bda30a 43#include "ixgbe_type.h"
17367270
GR		 44#include "ixgbe_sriov.h"
45
c6bda30a 46#ifdef CONFIG_PCI_IOV
c6bda30a
GR		 47void ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
48 const struct ixgbe_info *ii)
49{
50 struct ixgbe_hw *hw = &adapter->hw;
c6bda30a
GR		 51 int num_vf_macvlans, i;
52 struct vf_macvlans *mv_list;
53 int pre_existing_vfs = 0;
54
9297127b 55 pre_existing_vfs = pci_num_vf(adapter->pdev);
c6bda30a
GR		 56 if (!pre_existing_vfs && !adapter->num_vfs)
57 return;
58
59 /* If there are pre-existing VFs then we have to force
60 * use of that many because they were not deleted the last
61 * time someone removed the PF driver. That would have
62 * been because they were allocated to guest VMs and can't
63 * be removed. Go ahead and just re-enable the old amount.
64 * If the user wants to change the number of VFs they can
65 * use ethtool while making sure no VFs are allocated to
66 * guest VMs... i.e. the right way.
67 */
68 if (pre_existing_vfs) {
69 adapter->num_vfs = pre_existing_vfs;
70 dev_warn(&adapter->pdev->dev, "Virtual Functions already "
71 "enabled for this device - Please reload all "
72 "VF drivers to avoid spoofed packet errors\n");
73 } else {
99d74487
AD		 74 int err;
75 /*
76 * The 82599 supports up to 64 VFs per physical function
77 * but this implementation limits allocation to 63 so that
78 * basic networking resources are still available to the
79 * physical function. If the user requests greater thn
80 * 63 VFs then it is an error - reset to default of zero.
81 */
82 adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, 63);
83
c6bda30a 84 err = pci_enable_sriov(adapter->pdev, adapter->num_vfs);
73079ea0
AD		 85 if (err) {
86 e_err(probe, "Failed to enable PCI sriov: %d\n", err);
99d74487
AD		 87 adapter->num_vfs = 0;
88 return;
73079ea0 89 }
c6bda30a 90 }
c6bda30a 91
73079ea0 92 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED;
c6bda30a
GR		 93 e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs);
94
73079ea0
AD		 95 /* Enable VMDq flag so device will be set in VM mode */
96 adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
97 if (!adapter->ring_feature[RING_F_VMDQ].limit)
98 adapter->ring_feature[RING_F_VMDQ].limit = 1;
99 adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs;
100
c6bda30a
GR		 101 num_vf_macvlans = hw->mac.num_rar_entries -
102 (IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs);
103
104 adapter->mv_list = mv_list = kcalloc(num_vf_macvlans,
105 sizeof(struct vf_macvlans),
106 GFP_KERNEL);
107 if (mv_list) {
108 /* Initialize list of VF macvlans */
109 INIT_LIST_HEAD(&adapter->vf_mvs.l);
110 for (i = 0; i < num_vf_macvlans; i++) {
111 mv_list->vf = -1;
112 mv_list->free = true;
113 mv_list->rar_entry = hw->mac.num_rar_entries -
114 (i + adapter->num_vfs + 1);
115 list_add(&mv_list->l, &adapter->vf_mvs.l);
116 mv_list++;
117 }
118 }
119
815cccbf
JF		 120 /* Initialize default switching mode VEB */
121 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
122
c6bda30a
GR		 123 /* If call to enable VFs succeeded then allocate memory
124 * for per VF control structures.
125 */
126 adapter->vfinfo =
127 kcalloc(adapter->num_vfs,
128 sizeof(struct vf_data_storage), GFP_KERNEL);
129 if (adapter->vfinfo) {
130 /* Now that we're sure SR-IOV is enabled
131 * and memory allocated set up the mailbox parameters
132 */
133 ixgbe_init_mbx_params_pf(hw);
73079ea0
AD		 134 memcpy(&hw->mbx.ops, ii->mbx_ops, sizeof(hw->mbx.ops));
135
136 /* limit trafffic classes based on VFs enabled */
137 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) &&
138 (adapter->num_vfs < 16)) {
139 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
140 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
141 } else if (adapter->num_vfs < 32) {
142 adapter->dcb_cfg.num_tcs.pg_tcs = 4;
143 adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
144 } else {
145 adapter->dcb_cfg.num_tcs.pg_tcs = 1;
146 adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
147 }
148
149 /* We do not support RSS w/ SR-IOV */
150 adapter->ring_feature[RING_F_RSS].limit = 1;
c6bda30a
GR		 151
152 /* Disable RSC when in SR-IOV mode */
153 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
154 IXGBE_FLAG2_RSC_ENABLED);
73079ea0 155
73079ea0 156 /* enable spoof checking for all VFs */
de4c7f65
GR		 157 for (i = 0; i < adapter->num_vfs; i++)
158 adapter->vfinfo[i].spoofchk_enabled = true;
c6bda30a
GR		 159 return;
160 }
161
162 /* Oh oh */
163 e_err(probe, "Unable to allocate memory for VF Data Storage - "
164 "SRIOV disabled\n");
99d74487 165 ixgbe_disable_sriov(adapter);
c6bda30a 166}
c6bda30a 167
9297127b
AD		 168static bool ixgbe_vfs_are_assigned(struct ixgbe_adapter *adapter)
169{
170 struct pci_dev *pdev = adapter->pdev;
171 struct pci_dev *vfdev;
172 int dev_id;
173
174 switch (adapter->hw.mac.type) {
175 case ixgbe_mac_82599EB:
176 dev_id = IXGBE_DEV_ID_82599_VF;
177 break;
178 case ixgbe_mac_X540:
179 dev_id = IXGBE_DEV_ID_X540_VF;
180 break;
181 default:
182 return false;
183 }
184
185 /* loop through all the VFs to see if we own any that are assigned */
186 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, dev_id, NULL);
187 while (vfdev) {
188 /* if we don't own it we don't care */
189 if (vfdev->is_virtfn && vfdev->physfn == pdev) {
190 /* if it is assigned we cannot release it */
191 if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
192 return true;
193 }
194
195 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, dev_id, vfdev);
196 }
197
198 return false;
199}
200
201#endif /* #ifdef CONFIG_PCI_IOV */
c6bda30a
GR		 202void ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
203{
204 struct ixgbe_hw *hw = &adapter->hw;
c6bda30a
GR		 205 u32 gpie;
206 u32 vmdctl;
c6bda30a 207
d773d131
AD		 208 /* set num VFs to 0 to prevent access to vfinfo */
209 adapter->num_vfs = 0;
210
211 /* free VF control structures */
212 kfree(adapter->vfinfo);
213 adapter->vfinfo = NULL;
214
215 /* free macvlan list */
216 kfree(adapter->mv_list);
217 adapter->mv_list = NULL;
218
99d74487
AD		 219 /* if SR-IOV is already disabled then there is nothing to do */
220 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
221 return;
222
c6bda30a 223#ifdef CONFIG_PCI_IOV
9297127b
AD		 224 /*
225 * If our VFs are assigned we cannot shut down SR-IOV
226 * without causing issues, so just leave the hardware
227 * available but disabled
228 */
229 if (ixgbe_vfs_are_assigned(adapter)) {
230 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
231 return;
d47e12d6 232 }
c6bda30a
GR		 233 /* disable iov and allow time for transactions to clear */
234 pci_disable_sriov(adapter->pdev);
235#endif
236
237 /* turn off device IOV mode */
73079ea0 238 IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0);
c6bda30a
GR		 239 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
240 gpie &= ~IXGBE_GPIE_VTMODE_MASK;
241 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
242
243 /* set default pool back to 0 */
244 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
245 vmdctl &= ~IXGBE_VT_CTL_POOL_MASK;
246 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl);
247 IXGBE_WRITE_FLUSH(hw);
248
1d9c0bfd
AD		 249 /* Disable VMDq flag so device will be set in VM mode */
250 if (adapter->ring_feature[RING_F_VMDQ].limit == 1)
251 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
252 adapter->ring_feature[RING_F_VMDQ].offset = 0;
253
c6bda30a
GR		 254 /* take a breather then clean up driver data */
255 msleep(100);
256
c6bda30a
GR		 257 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
258}
259
5d5b7c39 260static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
58a02bee 261 u32 *msgbuf, u32 vf)
17367270 262{
58a02bee
AD		 263 int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
264 >> IXGBE_VT_MSGINFO_SHIFT;
265 u16 *hash_list = (u16 *)&msgbuf[1];
17367270 266 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
8a07a22d 267 struct ixgbe_hw *hw = &adapter->hw;
17367270 268 int i;
8a07a22d
GR		 269 u32 vector_bit;
270 u32 vector_reg;
271 u32 mta_reg;
17367270
GR		 272
273 /* only so many hash values supported */
274 entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
275
276 /*
277 * salt away the number of multi cast addresses assigned
278 * to this VF for later use to restore when the PF multi cast
279 * list changes
280 */
281 vfinfo->num_vf_mc_hashes = entries;
282
283 /*
284 * VFs are limited to using the MTA hash table for their multicast
285 * addresses
286 */
287 for (i = 0; i < entries; i++) {
e81a1ba8 288 vfinfo->vf_mc_hashes[i] = hash_list[i];
17367270
GR		 289 }
290
8a07a22d
GR		 291 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
292 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
293 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
294 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
295 mta_reg |= (1 << vector_bit);
296 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
297 }
17367270
GR		 298
299 return 0;
300}
301
a1cbb15c
GR		 302static void ixgbe_restore_vf_macvlans(struct ixgbe_adapter *adapter)
303{
304 struct ixgbe_hw *hw = &adapter->hw;
305 struct list_head *pos;
306 struct vf_macvlans *entry;
307
308 list_for_each(pos, &adapter->vf_mvs.l) {
309 entry = list_entry(pos, struct vf_macvlans, l);
23677ce3 310 if (!entry->free)
a1cbb15c
GR		 311 hw->mac.ops.set_rar(hw, entry->rar_entry,
312 entry->vf_macvlan,
313 entry->vf, IXGBE_RAH_AV);
314 }
315}
316
17367270
GR		 317void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
318{
319 struct ixgbe_hw *hw = &adapter->hw;
320 struct vf_data_storage *vfinfo;
321 int i, j;
322 u32 vector_bit;
323 u32 vector_reg;
324 u32 mta_reg;
325
326 for (i = 0; i < adapter->num_vfs; i++) {
327 vfinfo = &adapter->vfinfo[i];
328 for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
329 hw->addr_ctrl.mta_in_use++;
330 vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
331 vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
332 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
333 mta_reg |= (1 << vector_bit);
334 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
335 }
336 }
a1cbb15c
GR		 337
338 /* Restore any VF macvlans */
339 ixgbe_restore_vf_macvlans(adapter);
17367270
GR		 340}
341
5d5b7c39
ET		 342static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
343 u32 vf)
17367270 344{
b35d4d42
AD		 345 /* VLAN 0 is a special case, don't allow it to be removed */
346 if (!vid && !add)
347 return 0;
348
17367270
GR		 349 return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
350}
351
872844dd 352static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
e9f98072
GR		 353{
354 struct ixgbe_hw *hw = &adapter->hw;
872844dd 355 int max_frame = msgbuf[1];
e9f98072 356 u32 max_frs;
e9f98072 357
872844dd
AD		 358 /*
359 * For 82599EB we have to keep all PFs and VFs operating with
360 * the same max_frame value in order to avoid sending an oversize
361 * frame to a VF. In order to guarantee this is handled correctly
362 * for all cases we have several special exceptions to take into
363 * account before we can enable the VF for receive
364 */
365 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
366 struct net_device *dev = adapter->netdev;
367 int pf_max_frame = dev->mtu + ETH_HLEN;
368 u32 reg_offset, vf_shift, vfre;
369 s32 err = 0;
370
371#ifdef CONFIG_FCOE
372 if (dev->features & NETIF_F_FCOE_MTU)
373 pf_max_frame = max_t(int, pf_max_frame,
374 IXGBE_FCOE_JUMBO_FRAME_SIZE);
375
376#endif /* CONFIG_FCOE */
bffb3bc9
AD		 377 switch (adapter->vfinfo[vf].vf_api) {
378 case ixgbe_mbox_api_11:
379 /*
380 * Version 1.1 supports jumbo frames on VFs if PF has
381 * jumbo frames enabled which means legacy VFs are
382 * disabled
383 */
384 if (pf_max_frame > ETH_FRAME_LEN)
385 break;
386 default:
387 /*
388 * If the PF or VF are running w/ jumbo frames enabled
389 * we need to shut down the VF Rx path as we cannot
390 * support jumbo frames on legacy VFs
391 */
392 if ((pf_max_frame > ETH_FRAME_LEN) ||
393 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
394 err = -EINVAL;
395 break;
396 }
872844dd
AD		 397
398 /* determine VF receive enable location */
399 vf_shift = vf % 32;
400 reg_offset = vf / 32;
401
402 /* enable or disable receive depending on error */
403 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
404 if (err)
405 vfre &= ~(1 << vf_shift);
406 else
407 vfre |= 1 << vf_shift;
408 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
409
410 if (err) {
411 e_err(drv, "VF max_frame %d out of range\n", max_frame);
412 return err;
413 }
414 }
e9f98072
GR		 415
416 /* MTU < 68 is an error and causes problems on some kernels */
872844dd
AD		 417 if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
418 e_err(drv, "VF max_frame %d out of range\n", max_frame);
419 return -EINVAL;
e9f98072
GR		 420 }
421
872844dd
AD		 422 /* pull current max frame size from hardware */
423 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
424 max_frs &= IXGBE_MHADD_MFS_MASK;
425 max_frs >>= IXGBE_MHADD_MFS_SHIFT;
426
427 if (max_frs < max_frame) {
428 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
e9f98072
GR		 429 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
430 }
431
872844dd
AD		 432 e_info(hw, "VF requests change max MTU to %d\n", max_frame);
433
434 return 0;
e9f98072
GR		 435}
436
5d5b7c39 437static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
17367270
GR		 438{
439 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
f0412776 440 vmolr |= (IXGBE_VMOLR_ROMPE |
17367270 441 IXGBE_VMOLR_BAM);
f0412776
GR		 442 if (aupe)
443 vmolr |= IXGBE_VMOLR_AUPE;
444 else
445 vmolr &= ~IXGBE_VMOLR_AUPE;
17367270
GR		 446 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
447}
448
107d3018
AD		 449static void ixgbe_set_vmvir(struct ixgbe_adapter *adapter,
450 u16 vid, u16 qos, u32 vf)
7f01648a
GR		 451{
452 struct ixgbe_hw *hw = &adapter->hw;
107d3018 453 u32 vmvir = vid | (qos << VLAN_PRIO_SHIFT) | IXGBE_VMVIR_VLANA_DEFAULT;
7f01648a 454
107d3018 455 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), vmvir);
7f01648a
GR		 456}
457
107d3018
AD		 458static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
459{
460 struct ixgbe_hw *hw = &adapter->hw;
461
462 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
463}
5d5b7c39 464static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
17367270
GR		 465{
466 struct ixgbe_hw *hw = &adapter->hw;
107d3018 467 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
2850062a 468 int rar_entry = hw->mac.num_rar_entries - (vf + 1);
107d3018
AD		 469 u8 num_tcs = netdev_get_num_tc(adapter->netdev);
470
471 /* add PF assigned VLAN or VLAN 0 */
472 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf);
17367270
GR		 473
474 /* reset offloads to defaults */
107d3018
AD		 475 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan);
476
477 /* set outgoing tags for VFs */
478 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
479 ixgbe_clear_vmvir(adapter, vf);
7f01648a 480 } else {
107d3018
AD		 481 if (vfinfo->pf_qos || !num_tcs)
482 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
483 vfinfo->pf_qos, vf);
484 else
485 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
486 adapter->default_up, vf);
487
488 if (vfinfo->spoofchk_enabled)
489 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
7f01648a 490 }
17367270
GR		 491
492 /* reset multicast table array for vf */
493 adapter->vfinfo[vf].num_vf_mc_hashes = 0;
494
495 /* Flush and reset the mta with the new values */
496 ixgbe_set_rx_mode(adapter->netdev);
497
2850062a 498 hw->mac.ops.clear_rar(hw, rar_entry);
374c65d6
AD		 499
500 /* reset VF api back to unknown */
501 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
17367270
GR		 502}
503
5d5b7c39
ET		 504static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
505 int vf, unsigned char *mac_addr)
17367270
GR		 506{
507 struct ixgbe_hw *hw = &adapter->hw;
2850062a 508 int rar_entry = hw->mac.num_rar_entries - (vf + 1);
17367270
GR		 509
510 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6);
2850062a 511 hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV);
17367270
GR		 512
513 return 0;
514}
515
a1cbb15c
GR		 516static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
517 int vf, int index, unsigned char *mac_addr)
518{
519 struct ixgbe_hw *hw = &adapter->hw;
520 struct list_head *pos;
521 struct vf_macvlans *entry;
522
523 if (index <= 1) {
524 list_for_each(pos, &adapter->vf_mvs.l) {
525 entry = list_entry(pos, struct vf_macvlans, l);
526 if (entry->vf == vf) {
527 entry->vf = -1;
528 entry->free = true;
529 entry->is_macvlan = false;
530 hw->mac.ops.clear_rar(hw, entry->rar_entry);
531 }
532 }
533 }
534
535 /*
536 * If index was zero then we were asked to clear the uc list
537 * for the VF. We're done.
538 */
539 if (!index)
540 return 0;
541
542 entry = NULL;
543
544 list_for_each(pos, &adapter->vf_mvs.l) {
545 entry = list_entry(pos, struct vf_macvlans, l);
546 if (entry->free)
547 break;
548 }
549
550 /*
551 * If we traversed the entire list and didn't find a free entry
552 * then we're out of space on the RAR table. Also entry may
553 * be NULL because the original memory allocation for the list
554 * failed, which is not fatal but does mean we can't support
555 * VF requests for MACVLAN because we couldn't allocate
556 * memory for the list management required.
557 */
558 if (!entry || !entry->free)
559 return -ENOSPC;
560
561 entry->free = false;
562 entry->is_macvlan = true;
563 entry->vf = vf;
564 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
565
566 hw->mac.ops.set_rar(hw, entry->rar_entry, mac_addr, vf, IXGBE_RAH_AV);
567
568 return 0;
569}
570
17367270
GR		 571int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
572{
573 unsigned char vf_mac_addr[6];
c60fbb00 574 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
17367270
GR		 575 unsigned int vfn = (event_mask & 0x3f);
576
577 bool enable = ((event_mask & 0x10000000U) != 0);
578
579 if (enable) {
7efd26d0 580 eth_random_addr(vf_mac_addr);
396e799c
ET		 581 e_info(probe, "IOV: VF %d is enabled MAC %pM\n",
582 vfn, vf_mac_addr);
17367270
GR		 583 /*
584 * Store away the VF "permananet" MAC address, it will ask
585 * for it later.
586 */
587 memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6);
588 }
589
590 return 0;
591}
592
58a02bee 593static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
17367270
GR		 594{
595 struct ixgbe_hw *hw = &adapter->hw;
58a02bee
AD		 596 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
597 u32 reg, msgbuf[4];
17367270 598 u32 reg_offset, vf_shift;
58a02bee
AD		 599 u8 *addr = (u8 *)(&msgbuf[1]);
600
601 e_info(probe, "VF Reset msg received from vf %d\n", vf);
602
603 /* reset the filters for the device */
604 ixgbe_vf_reset_event(adapter, vf);
605
606 /* set vf mac address */
607 ixgbe_set_vf_mac(adapter, vf, vf_mac);
17367270
GR		 608
609 vf_shift = vf % 32;
610 reg_offset = vf / 32;
611
58a02bee 612 /* enable transmit for vf */
17367270 613 reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
872844dd 614 reg |= 1 << vf_shift;
17367270
GR		 615 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
616
58a02bee 617 /* enable receive for vf */
17367270 618 reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
872844dd
AD		 619 reg |= 1 << vf_shift;
620 /*
621 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
622 * For more info take a look at ixgbe_set_vf_lpe
623 */
624 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
625 struct net_device *dev = adapter->netdev;
626 int pf_max_frame = dev->mtu + ETH_HLEN;
627
628#ifdef CONFIG_FCOE
629 if (dev->features & NETIF_F_FCOE_MTU)
630 pf_max_frame = max_t(int, pf_max_frame,
631 IXGBE_FCOE_JUMBO_FRAME_SIZE);
632
633#endif /* CONFIG_FCOE */
634 if (pf_max_frame > ETH_FRAME_LEN)
635 reg &= ~(1 << vf_shift);
636 }
17367270
GR		 637 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
638
58a02bee
AD		 639 /* enable VF mailbox for further messages */
640 adapter->vfinfo[vf].clear_to_send = true;
641
a985b6c3
GR		 642 /* Enable counting of spoofed packets in the SSVPC register */
643 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
644 reg |= (1 << vf_shift);
645 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
646
58a02bee
AD		 647 /* reply to reset with ack and vf mac address */
648 msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK;
649 memcpy(addr, vf_mac, ETH_ALEN);
650
651 /*
652 * Piggyback the multicast filter type so VF can compute the
653 * correct vectors
654 */
655 msgbuf[3] = hw->mac.mc_filter_type;
656 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
657
658 return 0;
659}
660
661static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
662 u32 *msgbuf, u32 vf)
663{
664 u8 *new_mac = ((u8 *)(&msgbuf[1]));
665
666 if (!is_valid_ether_addr(new_mac)) {
667 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
668 return -1;
669 }
670
671 if (adapter->vfinfo[vf].pf_set_mac &&
672 memcmp(adapter->vfinfo[vf].vf_mac_addresses, new_mac,
673 ETH_ALEN)) {
674 e_warn(drv,
675 "VF %d attempted to override administratively set MAC address\n"
676 "Reload the VF driver to resume operations\n",
677 vf);
678 return -1;
679 }
680
681 return ixgbe_set_vf_mac(adapter, vf, new_mac);
682}
683
684static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
685 u32 *msgbuf, u32 vf)
686{
687 struct ixgbe_hw *hw = &adapter->hw;
688 int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
689 int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
690 int err;
107d3018 691 u8 tcs = netdev_get_num_tc(adapter->netdev);
58a02bee 692
107d3018 693 if (adapter->vfinfo[vf].pf_vlan || tcs) {
58a02bee
AD		 694 e_warn(drv,
695 "VF %d attempted to override administratively set VLAN configuration\n"
696 "Reload the VF driver to resume operations\n",
697 vf);
698 return -1;
699 }
700
701 if (add)
702 adapter->vfinfo[vf].vlan_count++;
703 else if (adapter->vfinfo[vf].vlan_count)
704 adapter->vfinfo[vf].vlan_count--;
705
706 err = ixgbe_set_vf_vlan(adapter, add, vid, vf);
707 if (!err && adapter->vfinfo[vf].spoofchk_enabled)
708 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
709
710 return err;
711}
712
713static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
714 u32 *msgbuf, u32 vf)
715{
716 u8 *new_mac = ((u8 *)(&msgbuf[1]));
717 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
718 IXGBE_VT_MSGINFO_SHIFT;
719 int err;
720
721 if (adapter->vfinfo[vf].pf_set_mac && index > 0) {
722 e_warn(drv,
723 "VF %d requested MACVLAN filter but is administratively denied\n",
724 vf);
725 return -1;
726 }
727
728 /* An non-zero index indicates the VF is setting a filter */
729 if (index) {
730 if (!is_valid_ether_addr(new_mac)) {
731 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
732 return -1;
733 }
734
735 /*
736 * If the VF is allowed to set MAC filters then turn off
737 * anti-spoofing to avoid false positives.
738 */
739 if (adapter->vfinfo[vf].spoofchk_enabled)
740 ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
741 }
742
743 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
744 if (err == -ENOSPC)
745 e_warn(drv,
746 "VF %d has requested a MACVLAN filter but there is no space for it\n",
747 vf);
748 return err;
17367270
GR		 749}
750
374c65d6
AD		 751static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
752 u32 *msgbuf, u32 vf)
753{
754 int api = msgbuf[1];
755
756 switch (api) {
757 case ixgbe_mbox_api_10:
bffb3bc9 758 case ixgbe_mbox_api_11:
374c65d6
AD		 759 adapter->vfinfo[vf].vf_api = api;
760 return 0;
761 default:
762 break;
763 }
764
765 e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
766
767 return -1;
768}
769
f591cd9d
AD		 770static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
771 u32 *msgbuf, u32 vf)
772{
773 struct net_device *dev = adapter->netdev;
774 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
775 unsigned int default_tc = 0;
776 u8 num_tcs = netdev_get_num_tc(dev);
777
778 /* verify the PF is supporting the correct APIs */
779 switch (adapter->vfinfo[vf].vf_api) {
780 case ixgbe_mbox_api_20:
781 case ixgbe_mbox_api_11:
782 break;
783 default:
784 return -1;
785 }
786
787 /* only allow 1 Tx queue for bandwidth limiting */
788 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
789 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
790
791 /* if TCs > 1 determine which TC belongs to default user priority */
792 if (num_tcs > 1)
793 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
794
795 /* notify VF of need for VLAN tag stripping, and correct queue */
796 if (num_tcs)
797 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
798 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
799 msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
800 else
801 msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
802
803 /* notify VF of default queue */
804 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
805
806 return 0;
807}
808
17367270
GR		 809static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
810{
811 u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
c050999e 812 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
17367270
GR		 813 struct ixgbe_hw *hw = &adapter->hw;
814 s32 retval;
17367270
GR		 815
816 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
817
dcaccc82 818 if (retval) {
849c4542 819 pr_err("Error receiving message from VF\n");
dcaccc82
AD		 820 return retval;
821 }
17367270
GR		 822
823 /* this is a message we already processed, do nothing */
824 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
825 return retval;
826
dcaccc82
AD		 827 /* flush the ack before we write any messages back */
828 IXGBE_WRITE_FLUSH(hw);
829
374c65d6
AD		 830 if (msgbuf[0] == IXGBE_VF_RESET)
831 return ixgbe_vf_reset_msg(adapter, vf);
832
17367270
GR		 833 /*
834 * until the vf completes a virtual function reset it should not be
835 * allowed to start any configuration.
836 */
17367270
GR		 837 if (!adapter->vfinfo[vf].clear_to_send) {
838 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
839 ixgbe_write_mbx(hw, msgbuf, 1, vf);
840 return retval;
841 }
842
843 switch ((msgbuf[0] & 0xFFFF)) {
844 case IXGBE_VF_SET_MAC_ADDR:
58a02bee 845 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
17367270
GR		 846 break;
847 case IXGBE_VF_SET_MULTICAST:
58a02bee
AD		 848 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
849 break;
850 case IXGBE_VF_SET_VLAN:
851 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
17367270
GR		 852 break;
853 case IXGBE_VF_SET_LPE:
872844dd 854 retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
17367270 855 break;
a1cbb15c 856 case IXGBE_VF_SET_MACVLAN:
58a02bee 857 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
a1cbb15c 858 break;
374c65d6
AD		 859 case IXGBE_VF_API_NEGOTIATE:
860 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
861 break;
f591cd9d
AD		 862 case IXGBE_VF_GET_QUEUES:
863 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
864 break;
17367270 865 default:
396e799c 866 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
17367270
GR		 867 retval = IXGBE_ERR_MBX;
868 break;
869 }
870
871 /* notify the VF of the results of what it sent us */
872 if (retval)
873 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
874 else
875 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
876
877 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
878
374c65d6 879 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
17367270
GR		 880
881 return retval;
882}
883
884static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
885{
886 struct ixgbe_hw *hw = &adapter->hw;
887 u32 msg = IXGBE_VT_MSGTYPE_NACK;
888
889 /* if device isn't clear to send it shouldn't be reading either */
890 if (!adapter->vfinfo[vf].clear_to_send)
891 ixgbe_write_mbx(hw, &msg, 1, vf);
892}
893
894void ixgbe_msg_task(struct ixgbe_adapter *adapter)
895{
896 struct ixgbe_hw *hw = &adapter->hw;
897 u32 vf;
898
899 for (vf = 0; vf < adapter->num_vfs; vf++) {
900 /* process any reset requests */
901 if (!ixgbe_check_for_rst(hw, vf))
902 ixgbe_vf_reset_event(adapter, vf);
903
904 /* process any messages pending */
905 if (!ixgbe_check_for_msg(hw, vf))
906 ixgbe_rcv_msg_from_vf(adapter, vf);
907
908 /* process any acks */
909 if (!ixgbe_check_for_ack(hw, vf))
910 ixgbe_rcv_ack_from_vf(adapter, vf);
911 }
912}
913
767081ad
GR		 914void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
915{
916 struct ixgbe_hw *hw = &adapter->hw;
917
918 /* disable transmit and receive for all vfs */
919 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
920 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
921
922 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
923 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
924}
925
926void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
927{
928 struct ixgbe_hw *hw = &adapter->hw;
929 u32 ping;
930 int i;
931
932 for (i = 0 ; i < adapter->num_vfs; i++) {
933 ping = IXGBE_PF_CONTROL_MSG;
934 if (adapter->vfinfo[i].clear_to_send)
935 ping |= IXGBE_VT_MSGTYPE_CTS;
936 ixgbe_write_mbx(hw, &ping, 1, i);
937 }
938}
939
7f01648a
GR		 940int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
941{
942 struct ixgbe_adapter *adapter = netdev_priv(netdev);
943 if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
944 return -EINVAL;
945 adapter->vfinfo[vf].pf_set_mac = true;
946 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
947 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
948 " change effective.");
949 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
950 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
951 " but the PF device is not up.\n");
952 dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
953 " attempting to use the VF device.\n");
954 }
955 return ixgbe_set_vf_mac(adapter, vf, mac);
956}
957
958int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
959{
960 int err = 0;
961 struct ixgbe_adapter *adapter = netdev_priv(netdev);
a985b6c3 962 struct ixgbe_hw *hw = &adapter->hw;
7f01648a
GR		 963
964 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
965 return -EINVAL;
966 if (vlan || qos) {
967 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
968 if (err)
969 goto out;
107d3018 970 ixgbe_set_vmvir(adapter, vlan, qos, vf);
a985b6c3 971 ixgbe_set_vmolr(hw, vf, false);
de4c7f65 972 if (adapter->vfinfo[vf].spoofchk_enabled)
a1cbb15c 973 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
de4c7f65 974 adapter->vfinfo[vf].vlan_count++;
7f01648a
GR		 975 adapter->vfinfo[vf].pf_vlan = vlan;
976 adapter->vfinfo[vf].pf_qos = qos;
977 dev_info(&adapter->pdev->dev,
978 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
979 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
980 dev_warn(&adapter->pdev->dev,
981 "The VF VLAN has been set,"
982 " but the PF device is not up.\n");
983 dev_warn(&adapter->pdev->dev,
984 "Bring the PF device up before"
985 " attempting to use the VF device.\n");
986 }
987 } else {
988 err = ixgbe_set_vf_vlan(adapter, false,
989 adapter->vfinfo[vf].pf_vlan, vf);
107d3018 990 ixgbe_clear_vmvir(adapter, vf);
a985b6c3
GR		 991 ixgbe_set_vmolr(hw, vf, true);
992 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
de4c7f65
GR		 993 if (adapter->vfinfo[vf].vlan_count)
994 adapter->vfinfo[vf].vlan_count--;
7f01648a
GR		 995 adapter->vfinfo[vf].pf_vlan = 0;
996 adapter->vfinfo[vf].pf_qos = 0;
997 }
998out:
999 return err;
1000}
1001
9f66d3ee 1002static int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
ff4ab206 1003{
9f66d3ee 1004 switch (adapter->link_speed) {
ff4ab206
LL		 1005 case IXGBE_LINK_SPEED_100_FULL:
1006 return 100;
1007 case IXGBE_LINK_SPEED_1GB_FULL:
1008 return 1000;
1009 case IXGBE_LINK_SPEED_10GB_FULL:
1010 return 10000;
1011 default:
1012 return 0;
1013 }
1014}
1015
9f66d3ee 1016static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
ff4ab206 1017{
9f66d3ee
AD		 1018 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1019 struct ixgbe_hw *hw = &adapter->hw;
1020 u32 bcnrc_val = 0;
1021 u16 queue, queues_per_pool;
1022 u16 tx_rate = adapter->vfinfo[vf].tx_rate;
1023
1024 if (tx_rate) {
1025 /* start with base link speed value */
1026 bcnrc_val = adapter->vf_rate_link_speed;
ff4ab206 1027
ff4ab206 1028 /* Calculate the rate factor values to set */
9f66d3ee
AD		 1029 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
1030 bcnrc_val /= tx_rate;
1031
1032 /* clear everything but the rate factor */
1033 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
1034 IXGBE_RTTBCNRC_RF_DEC_MASK;
1035
1036 /* enable the rate scheduler */
1037 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
ff4ab206
LL		 1038 }
1039
7555e83d
LL		 1040 /*
1041 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
1042 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
1043 * and 0x004 otherwise.
1044 */
1045 switch (hw->mac.type) {
1046 case ixgbe_mac_82599EB:
1047 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
1048 break;
1049 case ixgbe_mac_X540:
1050 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
1051 break;
1052 default:
1053 break;
1054 }
1055
9f66d3ee
AD		 1056 /* determine how many queues per pool based on VMDq mask */
1057 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
1058
1059 /* write value for all Tx queues belonging to VF */
1060 for (queue = 0; queue < queues_per_pool; queue++) {
1061 unsigned int reg_idx = (vf * queues_per_pool) + queue;
1062
1063 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
1064 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
1065 }
ff4ab206
LL		 1066}
1067
1068void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
1069{
9f66d3ee 1070 int i;
ff4ab206
LL		 1071
1072 /* VF Tx rate limit was not set */
9f66d3ee 1073 if (!adapter->vf_rate_link_speed)
ff4ab206
LL		 1074 return;
1075
9f66d3ee 1076 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
ff4ab206
LL		 1077 adapter->vf_rate_link_speed = 0;
1078 dev_info(&adapter->pdev->dev,
9f66d3ee 1079 "Link speed has been changed. VF Transmit rate is disabled\n");
ff4ab206
LL		 1080 }
1081
1082 for (i = 0; i < adapter->num_vfs; i++) {
9f66d3ee 1083 if (!adapter->vf_rate_link_speed)
ff4ab206
LL		 1084 adapter->vfinfo[i].tx_rate = 0;
1085
9f66d3ee 1086 ixgbe_set_vf_rate_limit(adapter, i);
ff4ab206
LL		 1087 }
1088}
1089
7f01648a
GR		 1090int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate)
1091{
ff4ab206 1092 struct ixgbe_adapter *adapter = netdev_priv(netdev);
9f66d3ee
AD		 1093 int link_speed;
1094
1095 /* verify VF is active */
1096 if (vf >= adapter->num_vfs)
1097 return -EINVAL;
1098
1099 /* verify link is up */
1100 if (!adapter->link_up)
1101 return -EINVAL;
1102
1103 /* verify we are linked at 10Gbps */
1104 link_speed = ixgbe_link_mbps(adapter);
1105 if (link_speed != 10000)
1106 return -EINVAL;
ff4ab206 1107
9f66d3ee
AD		 1108 /* rate limit cannot be less than 10Mbs or greater than link speed */
1109 if (tx_rate && ((tx_rate <= 10) || (tx_rate > link_speed)))
ff4ab206
LL		 1110 return -EINVAL;
1111
9f66d3ee
AD		 1112 /* store values */
1113 adapter->vf_rate_link_speed = link_speed;
1114 adapter->vfinfo[vf].tx_rate = tx_rate;
1115
1116 /* update hardware configuration */
1117 ixgbe_set_vf_rate_limit(adapter, vf);
ff4ab206
LL		 1118
1119 return 0;
7f01648a
GR		 1120}
1121
de4c7f65
GR		 1122int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
1123{
1124 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1125 int vf_target_reg = vf >> 3;
1126 int vf_target_shift = vf % 8;
1127 struct ixgbe_hw *hw = &adapter->hw;
1128 u32 regval;
1129
1130 adapter->vfinfo[vf].spoofchk_enabled = setting;
1131
1132 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
1133 regval &= ~(1 << vf_target_shift);
1134 regval |= (setting << vf_target_shift);
1135 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
1136
1137 if (adapter->vfinfo[vf].vlan_count) {
1138 vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT;
1139 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
1140 regval &= ~(1 << vf_target_shift);
1141 regval |= (setting << vf_target_shift);
1142 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
1143 }
1144
1145 return 0;
1146}
1147
7f01648a
GR		 1148int ixgbe_ndo_get_vf_config(struct net_device *netdev,
1149 int vf, struct ifla_vf_info *ivi)
1150{
1151 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1152 if (vf >= adapter->num_vfs)
1153 return -EINVAL;
1154 ivi->vf = vf;
1155 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
ff4ab206 1156 ivi->tx_rate = adapter->vfinfo[vf].tx_rate;
7f01648a
GR		 1157 ivi->vlan = adapter->vfinfo[vf].pf_vlan;
1158 ivi->qos = adapter->vfinfo[vf].pf_qos;
de4c7f65 1159 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
7f01648a
GR		 1160 return 0;
1161}
Linux kernel - Deliverables
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