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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c1855
1 files changed, 1855 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
new file mode 100644
index 000000000..ea88ac04a
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -0,0 +1,1855 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 1999 - 2018 Intel Corporation. */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+#include <linux/string.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/ipv6.h>
+#include <linux/if_bridge.h>
+#ifdef NETIF_F_HW_VLAN_CTAG_TX
+#include <linux/if_vlan.h>
+#endif
+
+#include "ixgbe.h"
+#include "ixgbe_type.h"
+#include "ixgbe_sriov.h"
+
+#ifdef CONFIG_PCI_IOV
+static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
+ unsigned int num_vfs)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct vf_macvlans *mv_list;
+ int num_vf_macvlans, i;
+
+ /* Initialize list of VF macvlans */
+ INIT_LIST_HEAD(&adapter->vf_mvs.l);
+
+ num_vf_macvlans = hw->mac.num_rar_entries -
+ (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
+ if (!num_vf_macvlans)
+ return;
+
+ mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans),
+ GFP_KERNEL);
+ if (mv_list) {
+ for (i = 0; i < num_vf_macvlans; i++) {
+ mv_list[i].vf = -1;
+ mv_list[i].free = true;
+ list_add(&mv_list[i].l, &adapter->vf_mvs.l);
+ }
+ adapter->mv_list = mv_list;
+ }
+}
+
+static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
+ unsigned int num_vfs)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+
+ if (adapter->xdp_prog) {
+ e_warn(probe, "SRIOV is not supported with XDP\n");
+ return -EINVAL;
+ }
+
+ /* Enable VMDq flag so device will be set in VM mode */
+ adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED |
+ IXGBE_FLAG_VMDQ_ENABLED;
+
+ /* Allocate memory for per VF control structures */
+ adapter->vfinfo = kcalloc(num_vfs, sizeof(struct vf_data_storage),
+ GFP_KERNEL);
+ if (!adapter->vfinfo)
+ return -ENOMEM;
+
+ adapter->num_vfs = num_vfs;
+
+ ixgbe_alloc_vf_macvlans(adapter, num_vfs);
+ adapter->ring_feature[RING_F_VMDQ].offset = num_vfs;
+
+ /* Initialize default switching mode VEB */
+ IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
+ adapter->bridge_mode = BRIDGE_MODE_VEB;
+
+ /* limit traffic classes based on VFs enabled */
+ if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && (num_vfs < 16)) {
+ adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS;
+ adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS;
+ } else if (num_vfs < 32) {
+ adapter->dcb_cfg.num_tcs.pg_tcs = 4;
+ adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
+ } else {
+ adapter->dcb_cfg.num_tcs.pg_tcs = 1;
+ adapter->dcb_cfg.num_tcs.pfc_tcs = 1;
+ }
+
+ /* Disable RSC when in SR-IOV mode */
+ adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
+ IXGBE_FLAG2_RSC_ENABLED);
+
+ for (i = 0; i < num_vfs; i++) {
+ /* enable spoof checking for all VFs */
+ adapter->vfinfo[i].spoofchk_enabled = true;
+ adapter->vfinfo[i].link_enable = true;
+
+ /* We support VF RSS querying only for 82599 and x540
+ * devices at the moment. These devices share RSS
+ * indirection table and RSS hash key with PF therefore
+ * we want to disable the querying by default.
+ */
+ adapter->vfinfo[i].rss_query_enabled = false;
+
+ /* Untrust all VFs */
+ adapter->vfinfo[i].trusted = false;
+
+ /* set the default xcast mode */
+ adapter->vfinfo[i].xcast_mode = IXGBEVF_XCAST_MODE_NONE;
+ }
+
+ e_info(probe, "SR-IOV enabled with %d VFs\n", num_vfs);
+ return 0;
+}
+
+/**
+ * ixgbe_get_vfs - Find and take references to all vf devices
+ * @adapter: Pointer to adapter struct
+ */
+static void ixgbe_get_vfs(struct ixgbe_adapter *adapter)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ u16 vendor = pdev->vendor;
+ struct pci_dev *vfdev;
+ int vf = 0;
+ u16 vf_id;
+ int pos;
+
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos)
+ return;
+ pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id);
+
+ vfdev = pci_get_device(vendor, vf_id, NULL);
+ for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) {
+ if (!vfdev->is_virtfn)
+ continue;
+ if (vfdev->physfn != pdev)
+ continue;
+ if (vf >= adapter->num_vfs)
+ continue;
+ pci_dev_get(vfdev);
+ adapter->vfinfo[vf].vfdev = vfdev;
+ ++vf;
+ }
+}
+
+/* Note this function is called when the user wants to enable SR-IOV
+ * VFs using the now deprecated module parameter
+ */
+void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs)
+{
+ int pre_existing_vfs = 0;
+ unsigned int num_vfs;
+
+ pre_existing_vfs = pci_num_vf(adapter->pdev);
+ if (!pre_existing_vfs && !max_vfs)
+ return;
+
+ /* If there are pre-existing VFs then we have to force
+ * use of that many - over ride any module parameter value.
+ * This may result from the user unloading the PF driver
+ * while VFs were assigned to guest VMs or because the VFs
+ * have been created via the new PCI SR-IOV sysfs interface.
+ */
+ if (pre_existing_vfs) {
+ num_vfs = pre_existing_vfs;
+ dev_warn(&adapter->pdev->dev,
+ "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n");
+ } else {
+ int err;
+ /*
+ * The 82599 supports up to 64 VFs per physical function
+ * but this implementation limits allocation to 63 so that
+ * basic networking resources are still available to the
+ * physical function. If the user requests greater than
+ * 63 VFs then it is an error - reset to default of zero.
+ */
+ num_vfs = min_t(unsigned int, max_vfs, IXGBE_MAX_VFS_DRV_LIMIT);
+
+ err = pci_enable_sriov(adapter->pdev, num_vfs);
+ if (err) {
+ e_err(probe, "Failed to enable PCI sriov: %d\n", err);
+ return;
+ }
+ }
+
+ if (!__ixgbe_enable_sriov(adapter, num_vfs)) {
+ ixgbe_get_vfs(adapter);
+ return;
+ }
+
+ /* If we have gotten to this point then there is no memory available
+ * to manage the VF devices - print message and bail.
+ */
+ e_err(probe, "Unable to allocate memory for VF Data Storage - "
+ "SRIOV disabled\n");
+ ixgbe_disable_sriov(adapter);
+}
+
+#endif /* #ifdef CONFIG_PCI_IOV */
+int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
+{
+ unsigned int num_vfs = adapter->num_vfs, vf;
+ unsigned long flags;
+ int rss;
+
+ spin_lock_irqsave(&adapter->vfs_lock, flags);
+ /* set num VFs to 0 to prevent access to vfinfo */
+ adapter->num_vfs = 0;
+ spin_unlock_irqrestore(&adapter->vfs_lock, flags);
+
+ /* put the reference to all of the vf devices */
+ for (vf = 0; vf < num_vfs; ++vf) {
+ struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev;
+
+ if (!vfdev)
+ continue;
+ adapter->vfinfo[vf].vfdev = NULL;
+ pci_dev_put(vfdev);
+ }
+
+ /* free VF control structures */
+ kfree(adapter->vfinfo);
+ adapter->vfinfo = NULL;
+
+ /* free macvlan list */
+ kfree(adapter->mv_list);
+ adapter->mv_list = NULL;
+
+ /* if SR-IOV is already disabled then there is nothing to do */
+ if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
+ return 0;
+
+#ifdef CONFIG_PCI_IOV
+ /*
+ * If our VFs are assigned we cannot shut down SR-IOV
+ * without causing issues, so just leave the hardware
+ * available but disabled
+ */
+ if (pci_vfs_assigned(adapter->pdev)) {
+ e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n");
+ return -EPERM;
+ }
+ /* disable iov and allow time for transactions to clear */
+ pci_disable_sriov(adapter->pdev);
+#endif
+
+ /* Disable VMDq flag so device will be set in VM mode */
+ if (bitmap_weight(adapter->fwd_bitmask, adapter->num_rx_pools) == 1) {
+ adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED;
+ adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED;
+ rss = min_t(int, ixgbe_max_rss_indices(adapter),
+ num_online_cpus());
+ } else {
+ rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus());
+ }
+
+ adapter->ring_feature[RING_F_VMDQ].offset = 0;
+ adapter->ring_feature[RING_F_RSS].limit = rss;
+
+ /* take a breather then clean up driver data */
+ msleep(100);
+ return 0;
+}
+
+static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs)
+{
+#ifdef CONFIG_PCI_IOV
+ struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
+ int pre_existing_vfs = pci_num_vf(dev);
+ int err = 0, num_rx_pools, i, limit;
+ u8 num_tc;
+
+ if (pre_existing_vfs && pre_existing_vfs != num_vfs)
+ err = ixgbe_disable_sriov(adapter);
+ else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
+ return num_vfs;
+
+ if (err)
+ return err;
+
+ /* While the SR-IOV capability structure reports total VFs to be 64,
+ * we limit the actual number allocated as below based on two factors.
+ * Num_TCs MAX_VFs
+ * 1 63
+ * <=4 31
+ * >4 15
+ * First, we reserve some transmit/receive resources for the PF.
+ * Second, VMDQ also uses the same pools that SR-IOV does. We need to
+ * account for this, so that we don't accidentally allocate more VFs
+ * than we have available pools. The PCI bus driver already checks for
+ * other values out of range.
+ */
+ num_tc = adapter->hw_tcs;
+ num_rx_pools = bitmap_weight(adapter->fwd_bitmask,
+ adapter->num_rx_pools);
+ limit = (num_tc > 4) ? IXGBE_MAX_VFS_8TC :
+ (num_tc > 1) ? IXGBE_MAX_VFS_4TC : IXGBE_MAX_VFS_1TC;
+
+ if (num_vfs > (limit - num_rx_pools)) {
+ e_dev_err("Currently configured with %d TCs, and %d offloaded macvlans. Creating more than %d VFs is not allowed\n",
+ num_tc, num_rx_pools - 1, limit - num_rx_pools);
+ return -EPERM;
+ }
+
+ err = __ixgbe_enable_sriov(adapter, num_vfs);
+ if (err)
+ return err;
+
+ for (i = 0; i < num_vfs; i++)
+ ixgbe_vf_configuration(dev, (i | 0x10000000));
+
+ /* reset before enabling SRIOV to avoid mailbox issues */
+ ixgbe_sriov_reinit(adapter);
+
+ err = pci_enable_sriov(dev, num_vfs);
+ if (err) {
+ e_dev_warn("Failed to enable PCI sriov: %d\n", err);
+ return err;
+ }
+ ixgbe_get_vfs(adapter);
+
+ return num_vfs;
+#else
+ return 0;
+#endif
+}
+
+static int ixgbe_pci_sriov_disable(struct pci_dev *dev)
+{
+ struct ixgbe_adapter *adapter = pci_get_drvdata(dev);
+ int err;
+#ifdef CONFIG_PCI_IOV
+ u32 current_flags = adapter->flags;
+ int prev_num_vf = pci_num_vf(dev);
+#endif
+
+ err = ixgbe_disable_sriov(adapter);
+
+ /* Only reinit if no error and state changed */
+#ifdef CONFIG_PCI_IOV
+ if (!err && (current_flags != adapter->flags ||
+ prev_num_vf != pci_num_vf(dev)))
+ ixgbe_sriov_reinit(adapter);
+#endif
+
+ return err;
+}
+
+int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
+{
+ if (num_vfs == 0)
+ return ixgbe_pci_sriov_disable(dev);
+ else
+ return ixgbe_pci_sriov_enable(dev, num_vfs);
+}
+
+static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
+ >> IXGBE_VT_MSGINFO_SHIFT;
+ u16 *hash_list = (u16 *)&msgbuf[1];
+ struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+ u32 vector_bit;
+ u32 vector_reg;
+ u32 mta_reg;
+ u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+
+ /* only so many hash values supported */
+ entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
+
+ /*
+ * salt away the number of multi cast addresses assigned
+ * to this VF for later use to restore when the PF multi cast
+ * list changes
+ */
+ vfinfo->num_vf_mc_hashes = entries;
+
+ /*
+ * VFs are limited to using the MTA hash table for their multicast
+ * addresses
+ */
+ for (i = 0; i < entries; i++) {
+ vfinfo->vf_mc_hashes[i] = hash_list[i];
+ }
+
+ for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
+ vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
+ vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
+ mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+ mta_reg |= BIT(vector_bit);
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+ }
+ vmolr |= IXGBE_VMOLR_ROMPE;
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+ return 0;
+}
+
+#ifdef CONFIG_PCI_IOV
+void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct vf_data_storage *vfinfo;
+ int i, j;
+ u32 vector_bit;
+ u32 vector_reg;
+ u32 mta_reg;
+
+ for (i = 0; i < adapter->num_vfs; i++) {
+ u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i));
+ vfinfo = &adapter->vfinfo[i];
+ for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
+ hw->addr_ctrl.mta_in_use++;
+ vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
+ vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
+ mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+ mta_reg |= BIT(vector_bit);
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+ }
+
+ if (vfinfo->num_vf_mc_hashes)
+ vmolr |= IXGBE_VMOLR_ROMPE;
+ else
+ vmolr &= ~IXGBE_VMOLR_ROMPE;
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
+ }
+
+ /* Restore any VF macvlans */
+ ixgbe_full_sync_mac_table(adapter);
+}
+#endif
+
+static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
+ u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int err;
+
+ /* If VLAN overlaps with one the PF is currently monitoring make
+ * sure that we are able to allocate a VLVF entry. This may be
+ * redundant but it guarantees PF will maintain visibility to
+ * the VLAN.
+ */
+ if (add && test_bit(vid, adapter->active_vlans)) {
+ err = hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), true, false);
+ if (err)
+ return err;
+ }
+
+ err = hw->mac.ops.set_vfta(hw, vid, vf, !!add, false);
+
+ if (add && !err)
+ return err;
+
+ /* If we failed to add the VF VLAN or we are removing the VF VLAN
+ * we may need to drop the PF pool bit in order to allow us to free
+ * up the VLVF resources.
+ */
+ if (test_bit(vid, adapter->active_vlans) ||
+ (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
+ ixgbe_update_pf_promisc_vlvf(adapter, vid);
+
+ return err;
+}
+
+static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 max_frs;
+
+ if (max_frame < ETH_MIN_MTU || max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) {
+ e_err(drv, "VF max_frame %d out of range\n", max_frame);
+ return -EINVAL;
+ }
+
+ /*
+ * For 82599EB we have to keep all PFs and VFs operating with
+ * the same max_frame value in order to avoid sending an oversize
+ * frame to a VF. In order to guarantee this is handled correctly
+ * for all cases we have several special exceptions to take into
+ * account before we can enable the VF for receive
+ */
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ struct net_device *dev = adapter->netdev;
+ int pf_max_frame = dev->mtu + ETH_HLEN;
+ u32 reg_offset, vf_shift, vfre;
+ s32 err = 0;
+
+#ifdef CONFIG_FCOE
+ if (dev->features & NETIF_F_FCOE_MTU)
+ pf_max_frame = max_t(int, pf_max_frame,
+ IXGBE_FCOE_JUMBO_FRAME_SIZE);
+
+#endif /* CONFIG_FCOE */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_11:
+ case ixgbe_mbox_api_12:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ /* Version 1.1 supports jumbo frames on VFs if PF has
+ * jumbo frames enabled which means legacy VFs are
+ * disabled
+ */
+ if (pf_max_frame > ETH_FRAME_LEN)
+ break;
+ fallthrough;
+ default:
+ /* If the PF or VF are running w/ jumbo frames enabled
+ * we need to shut down the VF Rx path as we cannot
+ * support jumbo frames on legacy VFs
+ */
+ if ((pf_max_frame > ETH_FRAME_LEN) ||
+ (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
+ err = -EINVAL;
+ break;
+ }
+
+ /* determine VF receive enable location */
+ vf_shift = vf % 32;
+ reg_offset = vf / 32;
+
+ /* enable or disable receive depending on error */
+ vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+ if (err)
+ vfre &= ~BIT(vf_shift);
+ else
+ vfre |= BIT(vf_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre);
+
+ if (err) {
+ e_err(drv, "VF max_frame %d out of range\n", max_frame);
+ return err;
+ }
+ }
+
+ /* pull current max frame size from hardware */
+ max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
+ max_frs &= IXGBE_MHADD_MFS_MASK;
+ max_frs >>= IXGBE_MHADD_MFS_SHIFT;
+
+ if (max_frs < max_frame) {
+ max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
+ IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
+ }
+
+ e_info(hw, "VF requests change max MTU to %d\n", max_frame);
+
+ return 0;
+}
+
+static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
+{
+ u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+ vmolr |= IXGBE_VMOLR_BAM;
+ if (aupe)
+ vmolr |= IXGBE_VMOLR_AUPE;
+ else
+ vmolr &= ~IXGBE_VMOLR_AUPE;
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+}
+
+static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
+}
+
+static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vlvfb_mask, pool_mask, i;
+
+ /* create mask for VF and other pools */
+ pool_mask = ~BIT(VMDQ_P(0) % 32);
+ vlvfb_mask = BIT(vf % 32);
+
+ /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */
+ for (i = IXGBE_VLVF_ENTRIES; i--;) {
+ u32 bits[2], vlvfb, vid, vfta, vlvf;
+ u32 word = i * 2 + vf / 32;
+ u32 mask;
+
+ vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word));
+
+ /* if our bit isn't set we can skip it */
+ if (!(vlvfb & vlvfb_mask))
+ continue;
+
+ /* clear our bit from vlvfb */
+ vlvfb ^= vlvfb_mask;
+
+ /* create 64b mask to chedk to see if we should clear VLVF */
+ bits[word % 2] = vlvfb;
+ bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1));
+
+ /* if other pools are present, just remove ourselves */
+ if (bits[(VMDQ_P(0) / 32) ^ 1] ||
+ (bits[VMDQ_P(0) / 32] & pool_mask))
+ goto update_vlvfb;
+
+ /* if PF is present, leave VFTA */
+ if (bits[0] || bits[1])
+ goto update_vlvf;
+
+ /* if we cannot determine VLAN just remove ourselves */
+ vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i));
+ if (!vlvf)
+ goto update_vlvfb;
+
+ vid = vlvf & VLAN_VID_MASK;
+ mask = BIT(vid % 32);
+
+ /* clear bit from VFTA */
+ vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32));
+ if (vfta & mask)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask);
+update_vlvf:
+ /* clear POOL selection enable */
+ IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0);
+
+ if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC))
+ vlvfb = 0;
+update_vlvfb:
+ /* clear pool bits */
+ IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb);
+ }
+}
+
+static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
+ int vf, int index, unsigned char *mac_addr)
+{
+ struct vf_macvlans *entry;
+ struct list_head *pos;
+ int retval = 0;
+
+ if (index <= 1) {
+ list_for_each(pos, &adapter->vf_mvs.l) {
+ entry = list_entry(pos, struct vf_macvlans, l);
+ if (entry->vf == vf) {
+ entry->vf = -1;
+ entry->free = true;
+ entry->is_macvlan = false;
+ ixgbe_del_mac_filter(adapter,
+ entry->vf_macvlan, vf);
+ }
+ }
+ }
+
+ /*
+ * If index was zero then we were asked to clear the uc list
+ * for the VF. We're done.
+ */
+ if (!index)
+ return 0;
+
+ entry = NULL;
+
+ list_for_each(pos, &adapter->vf_mvs.l) {
+ entry = list_entry(pos, struct vf_macvlans, l);
+ if (entry->free)
+ break;
+ }
+
+ /*
+ * If we traversed the entire list and didn't find a free entry
+ * then we're out of space on the RAR table. Also entry may
+ * be NULL because the original memory allocation for the list
+ * failed, which is not fatal but does mean we can't support
+ * VF requests for MACVLAN because we couldn't allocate
+ * memory for the list management required.
+ */
+ if (!entry || !entry->free)
+ return -ENOSPC;
+
+ retval = ixgbe_add_mac_filter(adapter, mac_addr, vf);
+ if (retval < 0)
+ return retval;
+
+ entry->free = false;
+ entry->is_macvlan = true;
+ entry->vf = vf;
+ memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN);
+
+ return 0;
+}
+
+static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+ struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+ u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+ u8 num_tcs = adapter->hw_tcs;
+ u32 reg_val;
+ u32 queue;
+
+ /* remove VLAN filters beloning to this VF */
+ ixgbe_clear_vf_vlans(adapter, vf);
+
+ /* add back PF assigned VLAN or VLAN 0 */
+ ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf);
+
+ /* reset offloads to defaults */
+ ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan);
+
+ /* set outgoing tags for VFs */
+ if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) {
+ ixgbe_clear_vmvir(adapter, vf);
+ } else {
+ if (vfinfo->pf_qos || !num_tcs)
+ ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
+ vfinfo->pf_qos, vf);
+ else
+ ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
+ adapter->default_up, vf);
+
+ if (vfinfo->spoofchk_enabled) {
+ hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+ hw->mac.ops.set_mac_anti_spoofing(hw, true, vf);
+ }
+ }
+
+ /* reset multicast table array for vf */
+ adapter->vfinfo[vf].num_vf_mc_hashes = 0;
+
+ /* clear any ipsec table info */
+ ixgbe_ipsec_vf_clear(adapter, vf);
+
+ /* Flush and reset the mta with the new values */
+ ixgbe_set_rx_mode(adapter->netdev);
+
+ ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
+ ixgbe_set_vf_macvlan(adapter, vf, 0, NULL);
+
+ /* reset VF api back to unknown */
+ adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
+
+ /* Restart each queue for given VF */
+ for (queue = 0; queue < q_per_pool; queue++) {
+ unsigned int reg_idx = (vf * q_per_pool) + queue;
+
+ reg_val = IXGBE_READ_REG(hw, IXGBE_PVFTXDCTL(reg_idx));
+
+ /* Re-enabling only configured queues */
+ if (reg_val) {
+ reg_val |= IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
+ reg_val &= ~IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
+ }
+ }
+
+ IXGBE_WRITE_FLUSH(hw);
+}
+
+static void ixgbe_vf_clear_mbx(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 word;
+
+ /* Clear VF's mailbox memory */
+ for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++)
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0);
+
+ IXGBE_WRITE_FLUSH(hw);
+}
+
+static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
+ int vf, unsigned char *mac_addr)
+{
+ s32 retval;
+
+ ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf);
+ retval = ixgbe_add_mac_filter(adapter, mac_addr, vf);
+ if (retval >= 0)
+ memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr,
+ ETH_ALEN);
+ else
+ eth_zero_addr(adapter->vfinfo[vf].vf_mac_addresses);
+
+ return retval;
+}
+
+int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
+{
+ struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
+ unsigned int vfn = (event_mask & 0x3f);
+
+ bool enable = ((event_mask & 0x10000000U) != 0);
+
+ if (enable)
+ eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses);
+
+ return 0;
+}
+
+static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
+ u32 qde)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+ u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+ int i;
+
+ for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) {
+ u32 reg;
+
+ /* flush previous write */
+ IXGBE_WRITE_FLUSH(hw);
+
+ /* indicate to hardware that we want to set drop enable */
+ reg = IXGBE_QDE_WRITE | qde;
+ reg |= i << IXGBE_QDE_IDX_SHIFT;
+ IXGBE_WRITE_REG(hw, IXGBE_QDE, reg);
+ }
+}
+
+/**
+ * ixgbe_set_vf_rx_tx - Set VF rx tx
+ * @adapter: Pointer to adapter struct
+ * @vf: VF identifier
+ *
+ * Set or reset correct transmit and receive for vf
+ **/
+static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf)
+{
+ u32 reg_cur_tx, reg_cur_rx, reg_req_tx, reg_req_rx;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 reg_offset, vf_shift;
+
+ vf_shift = vf % 32;
+ reg_offset = vf / 32;
+
+ reg_cur_tx = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
+ reg_cur_rx = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+
+ if (adapter->vfinfo[vf].link_enable) {
+ reg_req_tx = reg_cur_tx | 1 << vf_shift;
+ reg_req_rx = reg_cur_rx | 1 << vf_shift;
+ } else {
+ reg_req_tx = reg_cur_tx & ~(1 << vf_shift);
+ reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
+ }
+
+ /* The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
+ * For more info take a look at ixgbe_set_vf_lpe
+ */
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ struct net_device *dev = adapter->netdev;
+ int pf_max_frame = dev->mtu + ETH_HLEN;
+
+#if IS_ENABLED(CONFIG_FCOE)
+ if (dev->features & NETIF_F_FCOE_MTU)
+ pf_max_frame = max_t(int, pf_max_frame,
+ IXGBE_FCOE_JUMBO_FRAME_SIZE);
+#endif /* CONFIG_FCOE */
+
+ if (pf_max_frame > ETH_FRAME_LEN)
+ reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
+ }
+
+ /* Enable/Disable particular VF */
+ if (reg_cur_tx != reg_req_tx)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg_req_tx);
+ if (reg_cur_rx != reg_req_rx)
+ IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg_req_rx);
+}
+
+static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+ struct ixgbe_hw *hw = &adapter->hw;
+ unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
+ u32 reg, reg_offset, vf_shift;
+ u32 msgbuf[4] = {0, 0, 0, 0};
+ u8 *addr = (u8 *)(&msgbuf[1]);
+ u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+ int i;
+
+ e_info(probe, "VF Reset msg received from vf %d\n", vf);
+
+ /* reset the filters for the device */
+ ixgbe_vf_reset_event(adapter, vf);
+
+ ixgbe_vf_clear_mbx(adapter, vf);
+
+ /* set vf mac address */
+ if (!is_zero_ether_addr(vf_mac))
+ ixgbe_set_vf_mac(adapter, vf, vf_mac);
+
+ vf_shift = vf % 32;
+ reg_offset = vf / 32;
+
+ /* force drop enable for all VF Rx queues */
+ reg = IXGBE_QDE_ENABLE;
+ if (adapter->vfinfo[vf].pf_vlan)
+ reg |= IXGBE_QDE_HIDE_VLAN;
+
+ ixgbe_write_qde(adapter, vf, reg);
+
+ ixgbe_set_vf_rx_tx(adapter, vf);
+
+ /* enable VF mailbox for further messages */
+ adapter->vfinfo[vf].clear_to_send = true;
+
+ /* Enable counting of spoofed packets in the SSVPC register */
+ reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset));
+ reg |= BIT(vf_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg);
+
+ /*
+ * Reset the VFs TDWBAL and TDWBAH registers
+ * which are not cleared by an FLR
+ */
+ for (i = 0; i < q_per_pool; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0);
+ }
+
+ /* reply to reset with ack and vf mac address */
+ msgbuf[0] = IXGBE_VF_RESET;
+ if (!is_zero_ether_addr(vf_mac) && adapter->vfinfo[vf].pf_set_mac) {
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
+ memcpy(addr, vf_mac, ETH_ALEN);
+ } else {
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+ }
+
+ /*
+ * Piggyback the multicast filter type so VF can compute the
+ * correct vectors
+ */
+ msgbuf[3] = hw->mac.mc_filter_type;
+ ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
+
+ return 0;
+}
+
+static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u8 *new_mac = ((u8 *)(&msgbuf[1]));
+
+ if (!is_valid_ether_addr(new_mac)) {
+ e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
+ return -1;
+ }
+
+ if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
+ !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
+ e_warn(drv,
+ "VF %d attempted to override administratively set MAC address\n"
+ "Reload the VF driver to resume operations\n",
+ vf);
+ return -1;
+ }
+
+ return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0;
+}
+
+static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT;
+ u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
+ u8 tcs = adapter->hw_tcs;
+
+ if (adapter->vfinfo[vf].pf_vlan || tcs) {
+ e_warn(drv,
+ "VF %d attempted to override administratively set VLAN configuration\n"
+ "Reload the VF driver to resume operations\n",
+ vf);
+ return -1;
+ }
+
+ /* VLAN 0 is a special case, don't allow it to be removed */
+ if (!vid && !add)
+ return 0;
+
+ return ixgbe_set_vf_vlan(adapter, add, vid, vf);
+}
+
+static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u8 *new_mac = ((u8 *)(&msgbuf[1]));
+ int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >>
+ IXGBE_VT_MSGINFO_SHIFT;
+ int err;
+
+ if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted &&
+ index > 0) {
+ e_warn(drv,
+ "VF %d requested MACVLAN filter but is administratively denied\n",
+ vf);
+ return -1;
+ }
+
+ /* An non-zero index indicates the VF is setting a filter */
+ if (index) {
+ if (!is_valid_ether_addr(new_mac)) {
+ e_warn(drv, "VF %d attempted to set invalid mac\n", vf);
+ return -1;
+ }
+
+ /*
+ * If the VF is allowed to set MAC filters then turn off
+ * anti-spoofing to avoid false positives.
+ */
+ if (adapter->vfinfo[vf].spoofchk_enabled) {
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ hw->mac.ops.set_mac_anti_spoofing(hw, false, vf);
+ hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
+ }
+ }
+
+ err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac);
+ if (err == -ENOSPC)
+ e_warn(drv,
+ "VF %d has requested a MACVLAN filter but there is no space for it\n",
+ vf);
+
+ return err < 0;
+}
+
+static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ int api = msgbuf[1];
+
+ switch (api) {
+ case ixgbe_mbox_api_10:
+ case ixgbe_mbox_api_11:
+ case ixgbe_mbox_api_12:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ adapter->vfinfo[vf].vf_api = api;
+ return 0;
+ default:
+ break;
+ }
+
+ e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
+
+ return -1;
+}
+
+static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ struct net_device *dev = adapter->netdev;
+ struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+ unsigned int default_tc = 0;
+ u8 num_tcs = adapter->hw_tcs;
+
+ /* verify the PF is supporting the correct APIs */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_20:
+ case ixgbe_mbox_api_11:
+ case ixgbe_mbox_api_12:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ break;
+ default:
+ return -1;
+ }
+
+ /* only allow 1 Tx queue for bandwidth limiting */
+ msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
+ msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
+
+ /* if TCs > 1 determine which TC belongs to default user priority */
+ if (num_tcs > 1)
+ default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);
+
+ /* notify VF of need for VLAN tag stripping, and correct queue */
+ if (num_tcs)
+ msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
+ else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
+ msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
+ else
+ msgbuf[IXGBE_VF_TRANS_VLAN] = 0;
+
+ /* notify VF of default queue */
+ msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;
+
+ return 0;
+}
+
+static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+ u32 i, j;
+ u32 *out_buf = &msgbuf[1];
+ const u8 *reta = adapter->rss_indir_tbl;
+ u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
+
+ /* Check if operation is permitted */
+ if (!adapter->vfinfo[vf].rss_query_enabled)
+ return -EPERM;
+
+ /* verify the PF is supporting the correct API */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_12:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* This mailbox command is supported (required) only for 82599 and x540
+ * VFs which support up to 4 RSS queues. Therefore we will compress the
+ * RETA by saving only 2 bits from each entry. This way we will be able
+ * to transfer the whole RETA in a single mailbox operation.
+ */
+ for (i = 0; i < reta_size / 16; i++) {
+ out_buf[i] = 0;
+ for (j = 0; j < 16; j++)
+ out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
+ }
+
+ return 0;
+}
+
+static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u32 *rss_key = &msgbuf[1];
+
+ /* Check if the operation is permitted */
+ if (!adapter->vfinfo[vf].rss_query_enabled)
+ return -EPERM;
+
+ /* verify the PF is supporting the correct API */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_12:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ memcpy(rss_key, adapter->rss_key, IXGBE_RSS_KEY_SIZE);
+
+ return 0;
+}
+
+static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int xcast_mode = msgbuf[1];
+ u32 vmolr, fctrl, disable, enable;
+
+ /* verify the PF is supporting the correct APIs */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_12:
+ /* promisc introduced in 1.3 version */
+ if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
+ return -EOPNOTSUPP;
+ fallthrough;
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI &&
+ !adapter->vfinfo[vf].trusted) {
+ xcast_mode = IXGBEVF_XCAST_MODE_MULTI;
+ }
+
+ if (adapter->vfinfo[vf].xcast_mode == xcast_mode)
+ goto out;
+
+ switch (xcast_mode) {
+ case IXGBEVF_XCAST_MODE_NONE:
+ disable = IXGBE_VMOLR_ROMPE |
+ IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
+ enable = IXGBE_VMOLR_BAM;
+ break;
+ case IXGBEVF_XCAST_MODE_MULTI:
+ disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
+ enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
+ break;
+ case IXGBEVF_XCAST_MODE_ALLMULTI:
+ disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
+ enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
+ break;
+ case IXGBEVF_XCAST_MODE_PROMISC:
+ if (hw->mac.type <= ixgbe_mac_82599EB)
+ return -EOPNOTSUPP;
+
+ fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+ if (!(fctrl & IXGBE_FCTRL_UPE)) {
+ /* VF promisc requires PF in promisc */
+ e_warn(drv,
+ "Enabling VF promisc requires PF in promisc\n");
+ return -EPERM;
+ }
+
+ disable = IXGBE_VMOLR_VPE;
+ enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
+ IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
+ vmolr &= ~disable;
+ vmolr |= enable;
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
+
+ adapter->vfinfo[vf].xcast_mode = xcast_mode;
+
+out:
+ msgbuf[1] = xcast_mode;
+
+ return 0;
+}
+
+static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u32 *link_state = &msgbuf[1];
+
+ /* verify the PF is supporting the correct API */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_12:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ *link_state = adapter->vfinfo[vf].link_enable;
+
+ return 0;
+}
+
+static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
+{
+ u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
+ u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
+ struct ixgbe_hw *hw = &adapter->hw;
+ s32 retval;
+
+ retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
+
+ if (retval) {
+ pr_err("Error receiving message from VF\n");
+ return retval;
+ }
+
+ /* this is a message we already processed, do nothing */
+ if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
+ return 0;
+
+ /* flush the ack before we write any messages back */
+ IXGBE_WRITE_FLUSH(hw);
+
+ if (msgbuf[0] == IXGBE_VF_RESET)
+ return ixgbe_vf_reset_msg(adapter, vf);
+
+ /*
+ * until the vf completes a virtual function reset it should not be
+ * allowed to start any configuration.
+ */
+ if (!adapter->vfinfo[vf].clear_to_send) {
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+ ixgbe_write_mbx(hw, msgbuf, 1, vf);
+ return 0;
+ }
+
+ switch ((msgbuf[0] & 0xFFFF)) {
+ case IXGBE_VF_SET_MAC_ADDR:
+ retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_SET_MULTICAST:
+ retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_SET_VLAN:
+ retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_SET_LPE:
+ retval = ixgbe_set_vf_lpe(adapter, msgbuf[1], vf);
+ break;
+ case IXGBE_VF_SET_MACVLAN:
+ retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_API_NEGOTIATE:
+ retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_GET_QUEUES:
+ retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_GET_RETA:
+ retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_GET_RSS_KEY:
+ retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_UPDATE_XCAST_MODE:
+ retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_GET_LINK_STATE:
+ retval = ixgbe_get_vf_link_state(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_IPSEC_ADD:
+ retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_IPSEC_DEL:
+ retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf);
+ break;
+ default:
+ e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
+ retval = IXGBE_ERR_MBX;
+ break;
+ }
+
+ /* notify the VF of the results of what it sent us */
+ if (retval)
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
+ else
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
+
+ msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
+
+ ixgbe_write_mbx(hw, msgbuf, mbx_size, vf);
+
+ return retval;
+}
+
+static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 msg = IXGBE_VT_MSGTYPE_NACK;
+
+ /* if device isn't clear to send it shouldn't be reading either */
+ if (!adapter->vfinfo[vf].clear_to_send)
+ ixgbe_write_mbx(hw, &msg, 1, vf);
+}
+
+void ixgbe_msg_task(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ unsigned long flags;
+ u32 vf;
+
+ spin_lock_irqsave(&adapter->vfs_lock, flags);
+ for (vf = 0; vf < adapter->num_vfs; vf++) {
+ /* process any reset requests */
+ if (!ixgbe_check_for_rst(hw, vf))
+ ixgbe_vf_reset_event(adapter, vf);
+
+ /* process any messages pending */
+ if (!ixgbe_check_for_msg(hw, vf))
+ ixgbe_rcv_msg_from_vf(adapter, vf);
+
+ /* process any acks */
+ if (!ixgbe_check_for_ack(hw, vf))
+ ixgbe_rcv_ack_from_vf(adapter, vf);
+ }
+ spin_unlock_irqrestore(&adapter->vfs_lock, flags);
+}
+
+static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 ping;
+
+ ping = IXGBE_PF_CONTROL_MSG;
+ if (adapter->vfinfo[vf].clear_to_send)
+ ping |= IXGBE_VT_MSGTYPE_CTS;
+ ixgbe_write_mbx(hw, &ping, 1, vf);
+}
+
+void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 ping;
+ int i;
+
+ for (i = 0 ; i < adapter->num_vfs; i++) {
+ ping = IXGBE_PF_CONTROL_MSG;
+ if (adapter->vfinfo[i].clear_to_send)
+ ping |= IXGBE_VT_MSGTYPE_CTS;
+ ixgbe_write_mbx(hw, &ping, 1, i);
+ }
+}
+
+/**
+ * ixgbe_set_all_vfs - update vfs queues
+ * @adapter: Pointer to adapter struct
+ *
+ * Update setting transmit and receive queues for all vfs
+ **/
+void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0 ; i < adapter->num_vfs; i++)
+ ixgbe_set_vf_link_state(adapter, i,
+ adapter->vfinfo[i].link_state);
+}
+
+int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ s32 retval;
+
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ if (is_valid_ether_addr(mac)) {
+ dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n",
+ mac, vf);
+ dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective.");
+
+ retval = ixgbe_set_vf_mac(adapter, vf, mac);
+ if (retval >= 0) {
+ adapter->vfinfo[vf].pf_set_mac = true;
+
+ if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+ dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n");
+ dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n");
+ }
+ } else {
+ dev_warn(&adapter->pdev->dev, "The VF MAC address was NOT set due to invalid or duplicate MAC address.\n");
+ }
+ } else if (is_zero_ether_addr(mac)) {
+ unsigned char *vf_mac_addr =
+ adapter->vfinfo[vf].vf_mac_addresses;
+
+ /* nothing to do */
+ if (is_zero_ether_addr(vf_mac_addr))
+ return 0;
+
+ dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf);
+
+ retval = ixgbe_del_mac_filter(adapter, vf_mac_addr, vf);
+ if (retval >= 0) {
+ adapter->vfinfo[vf].pf_set_mac = false;
+ memcpy(vf_mac_addr, mac, ETH_ALEN);
+ } else {
+ dev_warn(&adapter->pdev->dev, "Could NOT remove the VF MAC address.\n");
+ }
+ } else {
+ retval = -EINVAL;
+ }
+
+ return retval;
+}
+
+static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf,
+ u16 vlan, u8 qos)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int err;
+
+ err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
+ if (err)
+ goto out;
+
+ /* Revoke tagless access via VLAN 0 */
+ ixgbe_set_vf_vlan(adapter, false, 0, vf);
+
+ ixgbe_set_vmvir(adapter, vlan, qos, vf);
+ ixgbe_set_vmolr(hw, vf, false);
+
+ /* enable hide vlan on X550 */
+ if (hw->mac.type >= ixgbe_mac_X550)
+ ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE |
+ IXGBE_QDE_HIDE_VLAN);
+
+ adapter->vfinfo[vf].pf_vlan = vlan;
+ adapter->vfinfo[vf].pf_qos = qos;
+ dev_info(&adapter->pdev->dev,
+ "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
+ if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+ dev_warn(&adapter->pdev->dev,
+ "The VF VLAN has been set, but the PF device is not up.\n");
+ dev_warn(&adapter->pdev->dev,
+ "Bring the PF device up before attempting to use the VF device.\n");
+ }
+
+out:
+ return err;
+}
+
+static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int err;
+
+ err = ixgbe_set_vf_vlan(adapter, false,
+ adapter->vfinfo[vf].pf_vlan, vf);
+ /* Restore tagless access via VLAN 0 */
+ ixgbe_set_vf_vlan(adapter, true, 0, vf);
+ ixgbe_clear_vmvir(adapter, vf);
+ ixgbe_set_vmolr(hw, vf, true);
+
+ /* disable hide VLAN on X550 */
+ if (hw->mac.type >= ixgbe_mac_X550)
+ ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE);
+
+ adapter->vfinfo[vf].pf_vlan = 0;
+ adapter->vfinfo[vf].pf_qos = 0;
+
+ return err;
+}
+
+int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
+ u8 qos, __be16 vlan_proto)
+{
+ int err = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
+ return -EINVAL;
+ if (vlan_proto != htons(ETH_P_8021Q))
+ return -EPROTONOSUPPORT;
+ if (vlan || qos) {
+ /* Check if there is already a port VLAN set, if so
+ * we have to delete the old one first before we
+ * can set the new one. The usage model had
+ * previously assumed the user would delete the
+ * old port VLAN before setting a new one but this
+ * is not necessarily the case.
+ */
+ if (adapter->vfinfo[vf].pf_vlan)
+ err = ixgbe_disable_port_vlan(adapter, vf);
+ if (err)
+ goto out;
+ err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos);
+ } else {
+ err = ixgbe_disable_port_vlan(adapter, vf);
+ }
+
+out:
+ return err;
+}
+
+int ixgbe_link_mbps(struct ixgbe_adapter *adapter)
+{
+ switch (adapter->link_speed) {
+ case IXGBE_LINK_SPEED_100_FULL:
+ return 100;
+ case IXGBE_LINK_SPEED_1GB_FULL:
+ return 1000;
+ case IXGBE_LINK_SPEED_10GB_FULL:
+ return 10000;
+ default:
+ return 0;
+ }
+}
+
+static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf)
+{
+ struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 bcnrc_val = 0;
+ u16 queue, queues_per_pool;
+ u16 tx_rate = adapter->vfinfo[vf].tx_rate;
+
+ if (tx_rate) {
+ /* start with base link speed value */
+ bcnrc_val = adapter->vf_rate_link_speed;
+
+ /* Calculate the rate factor values to set */
+ bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT;
+ bcnrc_val /= tx_rate;
+
+ /* clear everything but the rate factor */
+ bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK |
+ IXGBE_RTTBCNRC_RF_DEC_MASK;
+
+ /* enable the rate scheduler */
+ bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA;
+ }
+
+ /*
+ * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
+ * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
+ * and 0x004 otherwise.
+ */
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
+ IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
+ break;
+ case ixgbe_mac_X540:
+ IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
+ break;
+ default:
+ break;
+ }
+
+ /* determine how many queues per pool based on VMDq mask */
+ queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
+
+ /* write value for all Tx queues belonging to VF */
+ for (queue = 0; queue < queues_per_pool; queue++) {
+ unsigned int reg_idx = (vf * queues_per_pool) + queue;
+
+ IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx);
+ IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
+ }
+}
+
+void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ /* VF Tx rate limit was not set */
+ if (!adapter->vf_rate_link_speed)
+ return;
+
+ if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) {
+ adapter->vf_rate_link_speed = 0;
+ dev_info(&adapter->pdev->dev,
+ "Link speed has been changed. VF Transmit rate is disabled\n");
+ }
+
+ for (i = 0; i < adapter->num_vfs; i++) {
+ if (!adapter->vf_rate_link_speed)
+ adapter->vfinfo[i].tx_rate = 0;
+
+ ixgbe_set_vf_rate_limit(adapter, i);
+ }
+}
+
+int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
+ int max_tx_rate)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int link_speed;
+
+ /* verify VF is active */
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ /* verify link is up */
+ if (!adapter->link_up)
+ return -EINVAL;
+
+ /* verify we are linked at 10Gbps */
+ link_speed = ixgbe_link_mbps(adapter);
+ if (link_speed != 10000)
+ return -EINVAL;
+
+ if (min_tx_rate)
+ return -EINVAL;
+
+ /* rate limit cannot be less than 10Mbs or greater than link speed */
+ if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed)))
+ return -EINVAL;
+
+ /* store values */
+ adapter->vf_rate_link_speed = link_speed;
+ adapter->vfinfo[vf].tx_rate = max_tx_rate;
+
+ /* update hardware configuration */
+ ixgbe_set_vf_rate_limit(adapter, vf);
+
+ return 0;
+}
+
+int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ adapter->vfinfo[vf].spoofchk_enabled = setting;
+
+ /* configure MAC spoofing */
+ hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf);
+
+ /* configure VLAN spoofing */
+ hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf);
+
+ /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be
+ * calling set_ethertype_anti_spoofing for each VF in loop below
+ */
+ if (hw->mac.ops.set_ethertype_anti_spoofing) {
+ IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP),
+ (IXGBE_ETQF_FILTER_EN |
+ IXGBE_ETQF_TX_ANTISPOOF |
+ ETH_P_LLDP));
+
+ IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC),
+ (IXGBE_ETQF_FILTER_EN |
+ IXGBE_ETQF_TX_ANTISPOOF |
+ ETH_P_PAUSE));
+
+ hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf);
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_set_vf_link_state - Set link state
+ * @adapter: Pointer to adapter struct
+ * @vf: VF identifier
+ * @state: required link state
+ *
+ * Set a link force state on/off a single vf
+ **/
+void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state)
+{
+ adapter->vfinfo[vf].link_state = state;
+
+ switch (state) {
+ case IFLA_VF_LINK_STATE_AUTO:
+ if (test_bit(__IXGBE_DOWN, &adapter->state))
+ adapter->vfinfo[vf].link_enable = false;
+ else
+ adapter->vfinfo[vf].link_enable = true;
+ break;
+ case IFLA_VF_LINK_STATE_ENABLE:
+ adapter->vfinfo[vf].link_enable = true;
+ break;
+ case IFLA_VF_LINK_STATE_DISABLE:
+ adapter->vfinfo[vf].link_enable = false;
+ break;
+ }
+
+ ixgbe_set_vf_rx_tx(adapter, vf);
+
+ /* restart the VF */
+ adapter->vfinfo[vf].clear_to_send = false;
+ ixgbe_ping_vf(adapter, vf);
+}
+
+/**
+ * ixgbe_ndo_set_vf_link_state - Set link state
+ * @netdev: network interface device structure
+ * @vf: VF identifier
+ * @state: required link state
+ *
+ * Set the link state of a specified VF, regardless of physical link state
+ **/
+int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int ret = 0;
+
+ if (vf < 0 || vf >= adapter->num_vfs) {
+ dev_err(&adapter->pdev->dev,
+ "NDO set VF link - invalid VF identifier %d\n", vf);
+ return -EINVAL;
+ }
+
+ switch (state) {
+ case IFLA_VF_LINK_STATE_ENABLE:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state %d - not supported\n",
+ vf, state);
+ break;
+ case IFLA_VF_LINK_STATE_DISABLE:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state disable\n", vf);
+ ixgbe_set_vf_link_state(adapter, vf, state);
+ break;
+ case IFLA_VF_LINK_STATE_AUTO:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state auto\n", vf);
+ ixgbe_set_vf_link_state(adapter, vf, state);
+ break;
+ default:
+ dev_err(&adapter->pdev->dev,
+ "NDO set VF %d - invalid link state %d\n", vf, state);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
+ bool setting)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ /* This operation is currently supported only for 82599 and x540
+ * devices.
+ */
+ if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
+ adapter->hw.mac.type >= ixgbe_mac_X550)
+ return -EOPNOTSUPP;
+
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ adapter->vfinfo[vf].rss_query_enabled = setting;
+
+ return 0;
+}
+
+int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ /* nothing to do */
+ if (adapter->vfinfo[vf].trusted == setting)
+ return 0;
+
+ adapter->vfinfo[vf].trusted = setting;
+
+ /* reset VF to reconfigure features */
+ adapter->vfinfo[vf].clear_to_send = false;
+ ixgbe_ping_vf(adapter, vf);
+
+ e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not ");
+
+ return 0;
+}
+
+int ixgbe_ndo_get_vf_config(struct net_device *netdev,
+ int vf, struct ifla_vf_info *ivi)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+ ivi->vf = vf;
+ memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
+ ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate;
+ ivi->min_tx_rate = 0;
+ ivi->vlan = adapter->vfinfo[vf].pf_vlan;
+ ivi->qos = adapter->vfinfo[vf].pf_qos;
+ ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
+ ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
+ ivi->trusted = adapter->vfinfo[vf].trusted;
+ return 0;
+}