1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2014 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 #include <linux/types.h>
30 #include <linux/module.h>
31 #include <linux/pci.h>
32 #include <linux/netdevice.h>
33 #include <linux/vmalloc.h>
34 #include <linux/string.h>
37 #include <linux/tcp.h>
38 #include <linux/ipv6.h>
39 #include <linux/if_bridge.h>
40 #ifdef NETIF_F_HW_VLAN_CTAG_TX
41 #include <linux/if_vlan.h>
45 #include "ixgbe_type.h"
46 #include "ixgbe_sriov.h"
49 static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
51 struct ixgbe_hw *hw = &adapter->hw;
52 int num_vf_macvlans, i;
53 struct vf_macvlans *mv_list;
55 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED;
56 e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs);
58 /* Enable VMDq flag so device will be set in VM mode */
59 adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED;
60 if (!adapter->ring_feature[RING_F_VMDQ].limit)
61 adapter->ring_feature[RING_F_VMDQ].limit = 1;
62 adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs;
64 num_vf_macvlans = hw->mac.num_rar_entries -
65 (IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs);
67 adapter->mv_list = mv_list = kcalloc(num_vf_macvlans,
68 sizeof(struct vf_macvlans),
71 /* Initialize list of VF macvlans */
72 INIT_LIST_HEAD(&adapter->vf_mvs.l);
73 for (i = 0; i < num_vf_macvlans; i++) {
76 list_add(&mv_list->l, &adapter->vf_mvs.l);
81 /* Initialize default switching mode VEB */
82 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
83 adapter->bridge_mode = BRIDGE_MODE_VEB;
85 /* If call to enable VFs succeeded then allocate memory
86 * for per VF control structures.
89 kcalloc(adapter->num_vfs,
90 sizeof(struct vf_data_storage), GFP_KERNEL);
91 if (adapter->vfinfo) {
92 /* limit trafffic classes based on VFs enabled */
93 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) &&
94 (adapter->num_vfs < 16)) {
95 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
96 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
97 } else if (adapter->num_vfs < 32) {
98 adapter->dcb_cfg.num_tcs.pg_tcs = 4;
99 adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
101 adapter->dcb_cfg.num_tcs.pg_tcs = 1;
102 adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
105 /* Disable RSC when in SR-IOV mode */
106 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
107 IXGBE_FLAG2_RSC_ENABLED);
109 for (i = 0; i < adapter->num_vfs; i++) {
110 /* enable spoof checking for all VFs */
111 adapter->vfinfo[i].spoofchk_enabled = true;
113 /* We support VF RSS querying only for 82599 and x540
114 * devices at the moment. These devices share RSS
115 * indirection table and RSS hash key with PF therefore
116 * we want to disable the querying by default.
118 adapter->vfinfo[i].rss_query_enabled = 0;
120 /* Untrust all VFs */
121 adapter->vfinfo[i].trusted = false;
123 /* set the default xcast mode */
124 adapter->vfinfo[i].xcast_mode = IXGBEVF_XCAST_MODE_NONE;
133 /* Note this function is called when the user wants to enable SR-IOV
134 * VFs using the now deprecated module parameter
136 void ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
138 int pre_existing_vfs = 0;
140 pre_existing_vfs = pci_num_vf(adapter->pdev);
141 if (!pre_existing_vfs && !adapter->num_vfs)
144 /* If there are pre-existing VFs then we have to force
145 * use of that many - over ride any module parameter value.
146 * This may result from the user unloading the PF driver
147 * while VFs were assigned to guest VMs or because the VFs
148 * have been created via the new PCI SR-IOV sysfs interface.
150 if (pre_existing_vfs) {
151 adapter->num_vfs = pre_existing_vfs;
152 dev_warn(&adapter->pdev->dev,
153 "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n");
157 * The 82599 supports up to 64 VFs per physical function
158 * but this implementation limits allocation to 63 so that
159 * basic networking resources are still available to the
160 * physical function. If the user requests greater than
161 * 63 VFs then it is an error - reset to default of zero.
163 adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
165 err = pci_enable_sriov(adapter->pdev, adapter->num_vfs);
167 e_err(probe, "Failed to enable PCI sriov: %d\n", err);
168 adapter->num_vfs = 0;
173 if (!__ixgbe_enable_sriov(adapter))
176 /* If we have gotten to this point then there is no memory available
177 * to manage the VF devices - print message and bail.
179 e_err(probe, "Unable to allocate memory for VF Data Storage - "
181 ixgbe_disable_sriov(adapter);
184 #endif /* #ifdef CONFIG_PCI_IOV */
185 int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
187 struct ixgbe_hw *hw = &adapter->hw;
192 /* set num VFs to 0 to prevent access to vfinfo */
193 adapter->num_vfs = 0;
195 /* free VF control structures */
196 kfree(adapter->vfinfo);
197 adapter->vfinfo = NULL;
199 /* free macvlan list */
200 kfree(adapter->mv_list);
201 adapter->mv_list = NULL;
203 /* if SR-IOV is already disabled then there is nothing to do */
204 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
207 #ifdef CONFIG_PCI_IOV
209 * If our VFs are assigned we cannot shut down SR-IOV
210 * without causing issues, so just leave the hardware
211 * available but disabled
213 if (pci_vfs_assigned(adapter->pdev)) {
214 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
217 /* disable iov and allow time for transactions to clear */
218 pci_disable_sriov(adapter->pdev);
221 /* turn off device IOV mode */
222 IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0);
223 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
224 gpie &= ~IXGBE_GPIE_VTMODE_MASK;
225 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
227 /* set default pool back to 0 */
228 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
229 vmdctl &= ~IXGBE_VT_CTL_POOL_MASK;
230 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl);
231 IXGBE_WRITE_FLUSH(hw);
233 /* Disable VMDq flag so device will be set in VM mode */
234 if (adapter->ring_feature[RING_F_VMDQ].limit == 1) {
235 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
236 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
237 rss = min_t(int, ixgbe_max_rss_indices(adapter),
240 rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
243 adapter->ring_feature[RING_F_VMDQ].offset = 0;
244 adapter->ring_feature[RING_F_RSS].limit = rss;
246 /* take a breather then clean up driver data */
251 static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs)
253 #ifdef CONFIG_PCI_IOV
254 struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
257 int pre_existing_vfs = pci_num_vf(dev);
259 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
260 err = ixgbe_disable_sriov(adapter);
261 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
267 /* While the SR-IOV capability structure reports total VFs to be 64,
268 * we have to limit the actual number allocated based on two factors.
269 * First, we reserve some transmit/receive resources for the PF.
270 * Second, VMDQ also uses the same pools that SR-IOV does. We need to
271 * account for this, so that we don't accidentally allocate more VFs
272 * than we have available pools. The PCI bus driver already checks for
273 * other values out of range.
275 if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VF_FUNCTIONS)
278 adapter->num_vfs = num_vfs;
280 err = __ixgbe_enable_sriov(adapter);
284 for (i = 0; i < adapter->num_vfs; i++)
285 ixgbe_vf_configuration(dev, (i | 0x10000000));
287 err = pci_enable_sriov(dev, num_vfs);
289 e_dev_warn("Failed to enable PCI sriov: %d\n", err);
292 ixgbe_sriov_reinit(adapter);
300 static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
302 struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
304 #ifdef CONFIG_PCI_IOV
305 u32 current_flags = adapter->flags;
308 err = ixgbe_disable_sriov(adapter);
310 /* Only reinit if no error and state changed */
311 #ifdef CONFIG_PCI_IOV
312 if (!err && current_flags != adapter->flags)
313 ixgbe_sriov_reinit(adapter);
319 int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
322 return ixgbe_pci_sriov_disable(dev);
324 return ixgbe_pci_sriov_enable(dev, num_vfs);
327 static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
330 int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
331 >> IXGBE_VT_MSGINFO_SHIFT;
332 u16 *hash_list = (u16 *)&msgbuf[1];
333 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
334 struct ixgbe_hw *hw = &adapter->hw;
339 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
341 /* only so many hash values supported */
342 entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
345 * salt away the number of multi cast addresses assigned
346 * to this VF for later use to restore when the PF multi cast
349 vfinfo->num_vf_mc_hashes = entries;
352 * VFs are limited to using the MTA hash table for their multicast
355 for (i = 0; i < entries; i++) {
356 vfinfo->vf_mc_hashes[i] = hash_list[i];
359 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
360 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
361 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
362 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
363 mta_reg |= (1 << vector_bit);
364 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
366 vmolr |= IXGBE_VMOLR_ROMPE;
367 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
372 #ifdef CONFIG_PCI_IOV
373 void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
375 struct ixgbe_hw *hw = &adapter->hw;
376 struct vf_data_storage *vfinfo;
382 for (i = 0; i < adapter->num_vfs; i++) {
383 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
384 vfinfo = &adapter->vfinfo[i];
385 for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
386 hw->addr_ctrl.mta_in_use++;
387 vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
388 vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
389 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
390 mta_reg |= (1 << vector_bit);
391 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
394 if (vfinfo->num_vf_mc_hashes)
395 vmolr |= IXGBE_VMOLR_ROMPE;
397 vmolr &= ~IXGBE_VMOLR_ROMPE;
398 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
401 /* Restore any VF macvlans */
402 ixgbe_full_sync_mac_table(adapter);
406 static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
409 /* VLAN 0 is a special case, don't allow it to be removed */
413 return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
416 static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
418 struct ixgbe_hw *hw = &adapter->hw;
419 int max_frame = msgbuf[1];
423 * For 82599EB we have to keep all PFs and VFs operating with
424 * the same max_frame value in order to avoid sending an oversize
425 * frame to a VF. In order to guarantee this is handled correctly
426 * for all cases we have several special exceptions to take into
427 * account before we can enable the VF for receive
429 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
430 struct net_device *dev = adapter->netdev;
431 int pf_max_frame = dev->mtu + ETH_HLEN;
432 u32 reg_offset, vf_shift, vfre;
436 if (dev->features & NETIF_F_FCOE_MTU)
437 pf_max_frame = max_t(int, pf_max_frame,
438 IXGBE_FCOE_JUMBO_FRAME_SIZE);
440 #endif /* CONFIG_FCOE */
441 switch (adapter->vfinfo[vf].vf_api) {
442 case ixgbe_mbox_api_11:
443 case ixgbe_mbox_api_12:
445 * Version 1.1 supports jumbo frames on VFs if PF has
446 * jumbo frames enabled which means legacy VFs are
449 if (pf_max_frame > ETH_FRAME_LEN)
453 * If the PF or VF are running w/ jumbo frames enabled
454 * we need to shut down the VF Rx path as we cannot
455 * support jumbo frames on legacy VFs
457 if ((pf_max_frame > ETH_FRAME_LEN) ||
458 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
463 /* determine VF receive enable location */
465 reg_offset = vf / 32;
467 /* enable or disable receive depending on error */
468 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
470 vfre &= ~(1 << vf_shift);
472 vfre |= 1 << vf_shift;
473 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
476 e_err(drv, "VF max_frame %d out of range\n", max_frame);
481 /* MTU < 68 is an error and causes problems on some kernels */
482 if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
483 e_err(drv, "VF max_frame %d out of range\n", max_frame);
487 /* pull current max frame size from hardware */
488 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
489 max_frs &= IXGBE_MHADD_MFS_MASK;
490 max_frs >>= IXGBE_MHADD_MFS_SHIFT;
492 if (max_frs < max_frame) {
493 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
494 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
497 e_info(hw, "VF requests change max MTU to %d\n", max_frame);
502 static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
504 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
505 vmolr |= IXGBE_VMOLR_BAM;
507 vmolr |= IXGBE_VMOLR_AUPE;
509 vmolr &= ~IXGBE_VMOLR_AUPE;
510 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
513 static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
515 struct ixgbe_hw *hw = &adapter->hw;
517 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
519 static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
521 struct ixgbe_hw *hw = &adapter->hw;
522 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
523 u8 num_tcs = netdev_get_num_tc(adapter->netdev);
525 /* add PF assigned VLAN or VLAN 0 */
526 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf);
528 /* reset offloads to defaults */
529 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan);
531 /* set outgoing tags for VFs */
532 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
533 ixgbe_clear_vmvir(adapter, vf);
535 if (vfinfo->pf_qos || !num_tcs)
536 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
539 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
540 adapter->default_up, vf);
542 if (vfinfo->spoofchk_enabled)
543 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
546 /* reset multicast table array for vf */
547 adapter->vfinfo[vf].num_vf_mc_hashes = 0;
549 /* Flush and reset the mta with the new values */
550 ixgbe_set_rx_mode(adapter->netdev);
552 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
554 /* reset VF api back to unknown */
555 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
558 static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
559 int vf, unsigned char *mac_addr)
561 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
562 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN);
563 ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
568 static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
569 int vf, int index, unsigned char *mac_addr)
571 struct list_head *pos;
572 struct vf_macvlans *entry;
575 list_for_each(pos, &adapter->vf_mvs.l) {
576 entry = list_entry(pos, struct vf_macvlans, l);
577 if (entry->vf == vf) {
580 entry->is_macvlan = false;
581 ixgbe_del_mac_filter(adapter,
582 entry->vf_macvlan, vf);
588 * If index was zero then we were asked to clear the uc list
589 * for the VF. We're done.
596 list_for_each(pos, &adapter->vf_mvs.l) {
597 entry = list_entry(pos, struct vf_macvlans, l);
603 * If we traversed the entire list and didn't find a free entry
604 * then we're out of space on the RAR table. Also entry may
605 * be NULL because the original memory allocation for the list
606 * failed, which is not fatal but does mean we can't support
607 * VF requests for MACVLAN because we couldn't allocate
608 * memory for the list management required.
610 if (!entry || !entry->free)
614 entry->is_macvlan = true;
616 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
618 ixgbe_add_mac_filter(adapter, mac_addr, vf);
623 int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
625 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
626 unsigned int vfn = (event_mask & 0x3f);
628 bool enable = ((event_mask & 0x10000000U) != 0);
631 eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses);
636 static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
639 struct ixgbe_hw *hw = &adapter->hw;
640 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
641 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
644 for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
647 /* flush previous write */
648 IXGBE_WRITE_FLUSH(hw);
650 /* indicate to hardware that we want to set drop enable */
651 reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE;
652 reg |= i << IXGBE_QDE_IDX_SHIFT;
653 IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
657 static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
659 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
660 struct ixgbe_hw *hw = &adapter->hw;
661 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
662 u32 reg, reg_offset, vf_shift;
663 u32 msgbuf[4] = {0, 0, 0, 0};
664 u8 *addr = (u8 *)(&msgbuf[1]);
665 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
668 e_info(probe, "VF Reset msg received from vf %d\n", vf);
670 /* reset the filters for the device */
671 ixgbe_vf_reset_event(adapter, vf);
673 /* set vf mac address */
674 if (!is_zero_ether_addr(vf_mac))
675 ixgbe_set_vf_mac(adapter, vf, vf_mac);
678 reg_offset = vf / 32;
680 /* enable transmit for vf */
681 reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
682 reg |= 1 << vf_shift;
683 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
685 /* force drop enable for all VF Rx queues */
686 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
688 /* enable receive for vf */
689 reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
690 reg |= 1 << vf_shift;
692 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
693 * For more info take a look at ixgbe_set_vf_lpe
695 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
696 struct net_device *dev = adapter->netdev;
697 int pf_max_frame = dev->mtu + ETH_HLEN;
700 if (dev->features & NETIF_F_FCOE_MTU)
701 pf_max_frame = max_t(int, pf_max_frame,
702 IXGBE_FCOE_JUMBO_FRAME_SIZE);
704 #endif /* CONFIG_FCOE */
705 if (pf_max_frame > ETH_FRAME_LEN)
706 reg &= ~(1 << vf_shift);
708 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
710 /* enable VF mailbox for further messages */
711 adapter->vfinfo[vf].clear_to_send = true;
713 /* Enable counting of spoofed packets in the SSVPC register */
714 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
715 reg |= (1 << vf_shift);
716 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
719 * Reset the VFs TDWBAL and TDWBAH registers
720 * which are not cleared by an FLR
722 for (i = 0; i < q_per_pool; i++) {
723 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
724 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
727 /* reply to reset with ack and vf mac address */
728 msgbuf[0] = IXGBE_VF_RESET;
729 if (!is_zero_ether_addr(vf_mac)) {
730 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
731 memcpy(addr, vf_mac, ETH_ALEN);
733 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
734 dev_warn(&adapter->pdev->dev,
735 "VF %d has no MAC address assigned, you may have to assign one manually\n",
740 * Piggyback the multicast filter type so VF can compute the
743 msgbuf[3] = hw->mac.mc_filter_type;
744 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
749 static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
752 u8 *new_mac = ((u8 *)(&msgbuf[1]));
754 if (!is_valid_ether_addr(new_mac)) {
755 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
759 if (adapter->vfinfo[vf].pf_set_mac &&
760 !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
762 "VF %d attempted to override administratively set MAC address\n"
763 "Reload the VF driver to resume operations\n",
768 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0;
771 static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan)
776 /* short cut the special case */
780 /* Search for the vlan id in the VLVF entries */
781 for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
782 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
783 if ((vlvf & VLAN_VID_MASK) == vlan)
787 /* Return a negative value if not found */
788 if (regindex >= IXGBE_VLVF_ENTRIES)
794 static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
797 struct ixgbe_hw *hw = &adapter->hw;
798 int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
799 int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
804 u8 tcs = netdev_get_num_tc(adapter->netdev);
806 if (adapter->vfinfo[vf].pf_vlan || tcs) {
808 "VF %d attempted to override administratively set VLAN configuration\n"
809 "Reload the VF driver to resume operations\n",
815 adapter->vfinfo[vf].vlan_count++;
816 else if (adapter->vfinfo[vf].vlan_count)
817 adapter->vfinfo[vf].vlan_count--;
819 /* in case of promiscuous mode any VLAN filter set for a VF must
820 * also have the PF pool added to it.
822 if (add && adapter->netdev->flags & IFF_PROMISC)
823 err = ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0));
825 err = ixgbe_set_vf_vlan(adapter, add, vid, vf);
826 if (!err && adapter->vfinfo[vf].spoofchk_enabled)
827 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
829 /* Go through all the checks to see if the VLAN filter should
830 * be wiped completely.
832 if (!add && adapter->netdev->flags & IFF_PROMISC) {
833 reg_ndx = ixgbe_find_vlvf_entry(hw, vid);
836 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(reg_ndx));
837 /* See if any other pools are set for this VLAN filter
838 * entry other than the PF.
840 if (VMDQ_P(0) < 32) {
841 bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2));
842 bits &= ~(1 << VMDQ_P(0));
843 bits |= IXGBE_READ_REG(hw,
844 IXGBE_VLVFB(reg_ndx * 2) + 1);
846 bits = IXGBE_READ_REG(hw,
847 IXGBE_VLVFB(reg_ndx * 2) + 1);
848 bits &= ~(1 << (VMDQ_P(0) - 32));
849 bits |= IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2));
852 /* If the filter was removed then ensure PF pool bit
853 * is cleared if the PF only added itself to the pool
854 * because the PF is in promiscuous mode.
856 if ((vlvf & VLAN_VID_MASK) == vid &&
857 !test_bit(vid, adapter->active_vlans) && !bits)
858 ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0));
864 static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
867 u8 *new_mac = ((u8 *)(&msgbuf[1]));
868 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
869 IXGBE_VT_MSGINFO_SHIFT;
872 if (adapter->vfinfo[vf].pf_set_mac && index > 0) {
874 "VF %d requested MACVLAN filter but is administratively denied\n",
879 /* An non-zero index indicates the VF is setting a filter */
881 if (!is_valid_ether_addr(new_mac)) {
882 e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
887 * If the VF is allowed to set MAC filters then turn off
888 * anti-spoofing to avoid false positives.
890 if (adapter->vfinfo[vf].spoofchk_enabled)
891 ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
894 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
897 "VF %d has requested a MACVLAN filter but there is no space for it\n",
903 static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
909 case ixgbe_mbox_api_10:
910 case ixgbe_mbox_api_11:
911 case ixgbe_mbox_api_12:
912 adapter->vfinfo[vf].vf_api = api;
918 e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
923 static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
926 struct net_device *dev = adapter->netdev;
927 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
928 unsigned int default_tc = 0;
929 u8 num_tcs = netdev_get_num_tc(dev);
931 /* verify the PF is supporting the correct APIs */
932 switch (adapter->vfinfo[vf].vf_api) {
933 case ixgbe_mbox_api_20:
934 case ixgbe_mbox_api_11:
935 case ixgbe_mbox_api_12:
941 /* only allow 1 Tx queue for bandwidth limiting */
942 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
943 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
945 /* if TCs > 1 determine which TC belongs to default user priority */
947 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
949 /* notify VF of need for VLAN tag stripping, and correct queue */
951 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
952 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
953 msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
955 msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
957 /* notify VF of default queue */
958 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
963 static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
966 u32 *out_buf = &msgbuf[1];
967 const u8 *reta = adapter->rss_indir_tbl;
968 u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
970 /* Check if operation is permitted */
971 if (!adapter->vfinfo[vf].rss_query_enabled)
974 /* verify the PF is supporting the correct API */
975 if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
978 /* This mailbox command is supported (required) only for 82599 and x540
979 * VFs which support up to 4 RSS queues. Therefore we will compress the
980 * RETA by saving only 2 bits from each entry. This way we will be able
981 * to transfer the whole RETA in a single mailbox operation.
983 for (i = 0; i < reta_size / 16; i++) {
985 for (j = 0; j < 16; j++)
986 out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
992 static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
995 u32 *rss_key = &msgbuf[1];
997 /* Check if the operation is permitted */
998 if (!adapter->vfinfo[vf].rss_query_enabled)
1001 /* verify the PF is supporting the correct API */
1002 if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
1005 memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key));
1010 static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
1011 u32 *msgbuf, u32 vf)
1013 struct ixgbe_hw *hw = &adapter->hw;
1014 int xcast_mode = msgbuf[1];
1015 u32 vmolr, disable, enable;
1017 /* verify the PF is supporting the correct APIs */
1018 switch (adapter->vfinfo[vf].vf_api) {
1019 case ixgbe_mbox_api_12:
1025 if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
1026 !adapter->vfinfo[vf].trusted) {
1027 xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
1030 if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
1033 switch (xcast_mode) {
1034 case IXGBEVF_XCAST_MODE_NONE:
1035 disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
1038 case IXGBEVF_XCAST_MODE_MULTI:
1039 disable = IXGBE_VMOLR_MPE;
1040 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
1042 case IXGBEVF_XCAST_MODE_ALLMULTI:
1044 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
1050 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
1053 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
1055 adapter->vfinfo[vf].xcast_mode = xcast_mode;
1058 msgbuf[1] = xcast_mode;
1063 static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1065 u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
1066 u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
1067 struct ixgbe_hw *hw = &adapter->hw;
1070 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
1073 pr_err("Error receiving message from VF\n");
1077 /* this is a message we already processed, do nothing */
1078 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
1081 /* flush the ack before we write any messages back */
1082 IXGBE_WRITE_FLUSH(hw);
1084 if (msgbuf[0] == IXGBE_VF_RESET)
1085 return ixgbe_vf_reset_msg(adapter, vf);
1088 * until the vf completes a virtual function reset it should not be
1089 * allowed to start any configuration.
1091 if (!adapter->vfinfo[vf].clear_to_send) {
1092 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1093 ixgbe_write_mbx(hw, msgbuf, 1, vf);
1097 switch ((msgbuf[0] & 0xFFFF)) {
1098 case IXGBE_VF_SET_MAC_ADDR:
1099 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
1101 case IXGBE_VF_SET_MULTICAST:
1102 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
1104 case IXGBE_VF_SET_VLAN:
1105 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
1107 case IXGBE_VF_SET_LPE:
1108 retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf);
1110 case IXGBE_VF_SET_MACVLAN:
1111 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
1113 case IXGBE_VF_API_NEGOTIATE:
1114 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
1116 case IXGBE_VF_GET_QUEUES:
1117 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
1119 case IXGBE_VF_GET_RETA:
1120 retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
1122 case IXGBE_VF_GET_RSS_KEY:
1123 retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
1125 case IXGBE_VF_UPDATE_XCAST_MODE:
1126 retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
1129 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
1130 retval = IXGBE_ERR_MBX;
1134 /* notify the VF of the results of what it sent us */
1136 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
1138 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
1140 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
1142 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
1147 static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
1149 struct ixgbe_hw *hw = &adapter->hw;
1150 u32 msg = IXGBE_VT_MSGTYPE_NACK;
1152 /* if device isn't clear to send it shouldn't be reading either */
1153 if (!adapter->vfinfo[vf].clear_to_send)
1154 ixgbe_write_mbx(hw, &msg, 1, vf);
1157 void ixgbe_msg_task(struct ixgbe_adapter *adapter)
1159 struct ixgbe_hw *hw = &adapter->hw;
1162 for (vf = 0; vf < adapter->num_vfs; vf++) {
1163 /* process any reset requests */
1164 if (!ixgbe_check_for_rst(hw, vf))
1165 ixgbe_vf_reset_event(adapter, vf);
1167 /* process any messages pending */
1168 if (!ixgbe_check_for_msg(hw, vf))
1169 ixgbe_rcv_msg_from_vf(adapter, vf);
1171 /* process any acks */
1172 if (!ixgbe_check_for_ack(hw, vf))
1173 ixgbe_rcv_ack_from_vf(adapter, vf);
1177 void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
1179 struct ixgbe_hw *hw = &adapter->hw;
1181 /* disable transmit and receive for all vfs */
1182 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
1183 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
1185 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
1186 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
1189 static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
1191 struct ixgbe_hw *hw = &adapter->hw;
1194 ping = IXGBE_PF_CONTROL_MSG;
1195 if (adapter->vfinfo[vf].clear_to_send)
1196 ping |= IXGBE_VT_MSGTYPE_CTS;
1197 ixgbe_write_mbx(hw, &ping, 1, vf);
1200 void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
1202 struct ixgbe_hw *hw = &adapter->hw;
1206 for (i = 0 ; i < adapter->num_vfs; i++) {
1207 ping = IXGBE_PF_CONTROL_MSG;
1208 if (adapter->vfinfo[i].clear_to_send)
1209 ping |= IXGBE_VT_MSGTYPE_CTS;
1210 ixgbe_write_mbx(hw, &ping, 1, i);
1214 int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1216 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1217 if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
1219 adapter->vfinfo[vf].pf_set_mac = true;
1220 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
1221 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
1222 " change effective.");
1223 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1224 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
1225 " but the PF device is not up.\n");
1226 dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
1227 " attempting to use the VF device.\n");
1229 return ixgbe_set_vf_mac(adapter, vf, mac);
1232 static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
1235 struct ixgbe_hw *hw = &adapter->hw;
1238 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
1242 ixgbe_set_vmvir(adapter, vlan, qos, vf);
1243 ixgbe_set_vmolr(hw, vf, false);
1244 if (adapter->vfinfo[vf].spoofchk_enabled)
1245 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
1246 adapter->vfinfo[vf].vlan_count++;
1248 /* enable hide vlan on X550 */
1249 if (hw->mac.type >= ixgbe_mac_X550)
1250 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
1251 IXGBE_QDE_HIDE_VLAN);
1253 adapter->vfinfo[vf].pf_vlan = vlan;
1254 adapter->vfinfo[vf].pf_qos = qos;
1255 dev_info(&adapter->pdev->dev,
1256 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
1257 if (test_bit(__IXGBE_DOWN, &adapter->state)) {
1258 dev_warn(&adapter->pdev->dev,
1259 "The VF VLAN has been set, but the PF device is not up.\n");
1260 dev_warn(&adapter->pdev->dev,
1261 "Bring the PF device up before attempting to use the VF device.\n");
1268 static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
1270 struct ixgbe_hw *hw = &adapter->hw;
1273 err = ixgbe_set_vf_vlan(adapter, false,
1274 adapter->vfinfo[vf].pf_vlan, vf);
1275 ixgbe_clear_vmvir(adapter, vf);
1276 ixgbe_set_vmolr(hw, vf, true);
1277 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
1278 if (adapter->vfinfo[vf].vlan_count)
1279 adapter->vfinfo[vf].vlan_count--;
1281 /* disable hide VLAN on X550 */
1282 if (hw->mac.type >= ixgbe_mac_X550)
1283 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
1285 adapter->vfinfo[vf].pf_vlan = 0;
1286 adapter->vfinfo[vf].pf_qos = 0;
1291 int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
1294 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1296 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
1299 /* Check if there is already a port VLAN set, if so
1300 * we have to delete the old one first before we
1301 * can set the new one. The usage model had
1302 * previously assumed the user would delete the
1303 * old port VLAN before setting a new one but this
1304 * is not necessarily the case.
1306 if (adapter->vfinfo[vf].pf_vlan)
1307 err = ixgbe_disable_port_vlan(adapter, vf);
1310 err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
1312 err = ixgbe_disable_port_vlan(adapter, vf);
1319 static int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
1321 switch (adapter->link_speed) {
1322 case IXGBE_LINK_SPEED_100_FULL:
1324 case IXGBE_LINK_SPEED_1GB_FULL:
1326 case IXGBE_LINK_SPEED_10GB_FULL:
1333 static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
1335 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
1336 struct ixgbe_hw *hw = &adapter->hw;
1338 u16 queue, queues_per_pool;
1339 u16 tx_rate = adapter->vfinfo[vf].tx_rate;
1342 /* start with base link speed value */
1343 bcnrc_val = adapter->vf_rate_link_speed;
1345 /* Calculate the rate factor values to set */
1346 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
1347 bcnrc_val /= tx_rate;
1349 /* clear everything but the rate factor */
1350 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
1351 IXGBE_RTTBCNRC_RF_DEC_MASK;
1353 /* enable the rate scheduler */
1354 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
1358 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
1359 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
1360 * and 0x004 otherwise.
1362 switch (hw->mac.type) {
1363 case ixgbe_mac_82599EB:
1364 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
1366 case ixgbe_mac_X540:
1367 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
1373 /* determine how many queues per pool based on VMDq mask */
1374 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
1376 /* write value for all Tx queues belonging to VF */
1377 for (queue = 0; queue < queues_per_pool; queue++) {
1378 unsigned int reg_idx = (vf * queues_per_pool) + queue;
1380 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
1381 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
1385 void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
1389 /* VF Tx rate limit was not set */
1390 if (!adapter->vf_rate_link_speed)
1393 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
1394 adapter->vf_rate_link_speed = 0;
1395 dev_info(&adapter->pdev->dev,
1396 "Link speed has been changed. VF Transmit rate is disabled\n");
1399 for (i = 0; i < adapter->num_vfs; i++) {
1400 if (!adapter->vf_rate_link_speed)
1401 adapter->vfinfo[i].tx_rate = 0;
1403 ixgbe_set_vf_rate_limit(adapter, i);
1407 int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
1410 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1413 /* verify VF is active */
1414 if (vf >= adapter->num_vfs)
1417 /* verify link is up */
1418 if (!adapter->link_up)
1421 /* verify we are linked at 10Gbps */
1422 link_speed = ixgbe_link_mbps(adapter);
1423 if (link_speed != 10000)
1429 /* rate limit cannot be less than 10Mbs or greater than link speed */
1430 if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
1434 adapter->vf_rate_link_speed = link_speed;
1435 adapter->vfinfo[vf].tx_rate = max_tx_rate;
1437 /* update hardware configuration */
1438 ixgbe_set_vf_rate_limit(adapter, vf);
1443 int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
1445 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1446 int vf_target_reg = vf >> 3;
1447 int vf_target_shift = vf % 8;
1448 struct ixgbe_hw *hw = &adapter->hw;
1451 if (vf >= adapter->num_vfs)
1454 adapter->vfinfo[vf].spoofchk_enabled = setting;
1456 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
1457 regval &= ~(1 << vf_target_shift);
1458 regval |= (setting << vf_target_shift);
1459 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
1461 if (adapter->vfinfo[vf].vlan_count) {
1462 vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT;
1463 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
1464 regval &= ~(1 << vf_target_shift);
1465 regval |= (setting << vf_target_shift);
1466 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
1472 int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
1475 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1477 /* This operation is currently supported only for 82599 and x540
1480 if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
1481 adapter->hw.mac.type >= ixgbe_mac_X550)
1484 if (vf >= adapter->num_vfs)
1487 adapter->vfinfo[vf].rss_query_enabled = setting;
1492 int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
1494 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1496 if (vf >= adapter->num_vfs)
1500 if (adapter->vfinfo[vf].trusted == setting)
1503 adapter->vfinfo[vf].trusted = setting;
1505 /* reset VF to reconfigure features */
1506 adapter->vfinfo[vf].clear_to_send = false;
1507 ixgbe_ping_vf(adapter, vf);
1509 e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not ");
1514 int ixgbe_ndo_get_vf_config(struct net_device *netdev,
1515 int vf, struct ifla_vf_info *ivi)
1517 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1518 if (vf >= adapter->num_vfs)
1521 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
1522 ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
1523 ivi->min_tx_rate = 0;
1524 ivi->vlan = adapter->vfinfo[vf].pf_vlan;
1525 ivi->qos = adapter->vfinfo[vf].pf_qos;
1526 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
1527 ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
1528 ivi->trusted = adapter->vfinfo[vf].trusted;